CN213838070U - Lock body and door lock - Google Patents

Abstract

The embodiment of the application provides a lock body, including the lock shell, scissors tongue subassembly, locking mechanism, triangle tongue subassembly and drive mechanism, triangle tongue subassembly and scissors tongue subassembly can stretch out or retract the lock shell selectively, locking mechanism rotationally sets up in the lock shell and can selectively lock scissors tongue subassembly, drive mechanism's impeller and lock shell sliding connection, triangle tongue subassembly drives when stretching out the lock shell and dials the piece and rotates, and drive the impeller and slide towards one side of locking mechanism so that locking mechanism relieves the locking to scissors tongue subassembly, triangle tongue subassembly is when retracting accommodating space, triangle tongue subassembly and the separation of dialling the piece. The pushing piece of the lock body provided by the embodiment of the application slides along a certain direction to drive the locking mechanism to rotate so as to release the locking of the scissor tongue assembly, so that the pushing piece can be prevented from deflecting and shaking, and the stable unlocking of the scissor tongue assembly is realized. In addition, this application embodiment still provides a lock.

Description

Lock body and door lock

Technical Field

The application relates to a tool to lock technical field particularly, relates to lock body and lock.

Background

The lock body is used as a core component of the door lock, the structure of the lock body plays a key role in the overall performance of the door lock, the linkage between the scissor tongue component and the triangular tongue component is realized through the linkage mechanism in the existing part of the lock body, and when the lock is unlocked, the triangular tongue component drives the scissor tongue component to unlock through the linkage mechanism. However, due to the limitation of the existing linkage mechanism, the linkage mechanism is easy to deflect and shake in the linkage process, so that the triangular tongue component cannot stably unlock the scissors tongue in the process of extending out of the lock shell.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a lock body and a door lock, and aims to solve the problems. The embodiment of the application realizes the aim through the following technical scheme.

In a first aspect, an embodiment of the present application provides a lock body, including a lock housing, a scissor tongue assembly, a locking mechanism, a triangular tongue assembly, and a transmission mechanism, where the lock housing has an accommodating space, and the locking mechanism is rotatably disposed in the lock housing and selectively locks the scissor tongue assembly; the scissors tongue component is slidably arranged in the accommodating space and can selectively extend out of or retract into the lock shell; the triangular tongue component is slidably arranged in the accommodating space and can selectively extend out of or retract into the lock shell; the transmission mechanism comprises a toggle piece and a pushing piece, the toggle piece is rotationally connected with the lock shell, and the pushing piece is slidably connected with the lock shell, wherein when the triangular tongue assembly extends out of the lock shell, the toggle piece is driven to rotate, and the pushing piece is driven to slide towards one side close to the locking mechanism, so that the locking mechanism releases the locking of the scissor tongue assembly; when the triangular tongue assembly retracts into the accommodating space, the triangular tongue assembly is separated from the poking piece.

In some embodiments, the lock shell is provided with a guide portion which is a guide post, and the pushing member is provided with a matching portion which is a guide groove matched with the guide post.

In some embodiments, the pushing member includes a pushing end and a transmission end connected to each other, the transmission end is disposed adjacent to the toggle member relative to the pushing end and is used for being in transmission fit with the toggle member, the pushing end is used for pushing the locking mechanism to rotate, the transmission end is provided with a first guide groove, the pushing end is provided with a second guide groove, the number of the guide posts is two, and each guide post is slidably embedded in the first guide groove and the second guide groove respectively.

In some embodiments, the sliding stroke of the first guide groove is consistent with the sliding stroke of the second guide groove.

In some embodiments, the pushing member includes a sliding body and a pushing arm connected to each other, the engaging portion is disposed on the sliding body, the sliding body is slidably disposed on the lock case, the pushing arm is disposed on one side of the sliding body, and the locking mechanism is at least partially located within a sliding area of the pushing arm.

In some embodiments, the lock case includes a bottom plate, the toggle member includes a rotating portion and a toggle post connected to each other, the rotating portion is rotatably connected to the bottom plate, a gap is provided between the rotating portion and the bottom plate, and the pushing member is partially located in the gap and is configured to be in transmission fit with the toggle post.

In some embodiments, the locking mechanism includes a rotating body, a first extension arm and a second extension arm, the rotating body is rotatably disposed on the lock case, the first extension arm and the second extension arm are spaced side by side and are both connected to the same side of the rotating body, the pushing member is in transmission fit with the second extension arm, and when the pushing member slides towards one side close to the locking mechanism, the pushing member drives the first extension arm to move towards one side deviating from the scissors tongue assembly, so as to release the locking of the scissors tongue assembly.

In some embodiments, the pushing member includes a sliding body and a pushing arm, the matching part is arranged on the sliding body, the sliding body is slidably arranged on the lock shell, the pushing arm is arranged on one side of the sliding body, and the locking mechanism is at least partially positioned in the sliding range of the pushing arm.

In some embodiments, the lock body further comprises a reset member connected between the locking mechanism and the lock case to reset the locking mechanism.

In some embodiments, the triangular tongue assembly includes a triangular tongue, a triangular tongue fixing portion and a pushing portion, the triangular tongue is hinged to the triangular tongue fixing portion, the triangular tongue fixing portion is slidably disposed on the lock case, the pushing portion is connected to a side of the triangular tongue fixing portion facing the toggle member, and the toggle member is at least partially located within a sliding area of the pushing portion.

In some embodiments, the lock body further includes a main bolt assembly, a toggle assembly and an unlocking mechanism, the main bolt assembly is slidably disposed in the accommodating space and is located between the triangle bolt assembly and the scissors bolt assembly, the toggle assembly is rotatably disposed in the lock housing and is in transmission fit with the main bolt assembly to selectively drive the main bolt assembly to extend out of the lock housing or retract into the accommodating space, the unlocking mechanism is rotatably disposed in the lock housing and is in transmission fit with the toggle assembly and the locking mechanism, the unlocking mechanism is used for toggling the locking mechanism to release the locking of the scissors bolt assembly, and the unlocking mechanism is also used for toggling the toggle assembly to rotate to drive the main bolt assembly to retract into the accommodating space.

In some embodiments, the unlocking mechanism includes a toggle shaft sleeve and a first toggle arm and a second toggle arm, the toggle shaft sleeve is rotatably disposed in the lock case, the first toggle arm and the second toggle arm are spaced around the outer circumference of the toggle shaft sleeve, the toggle shaft sleeve drives the first toggle arm and the second toggle arm to rotate during rotation in the unlocking direction, and when the first toggle arm rotates, the toggle locking mechanism releases the locking of the scissor tongue assembly and drives the second toggle arm to toggle the toggle assembly to rotate so as to drive the main tongue assembly to retract into the lock case.

In some embodiments, the poking piece rotates to drive the pushing piece to slide, and the rotating radius of the poking piece is equal to 0.5-3 times of the maximum telescopic displacement of the triangular tongue assembly.

In a second aspect, an embodiment of the present application further provides a door lock, which includes a handle and any one of the lock bodies described above, where the handle is rotatably disposed outside the lock case.

Compared with the prior art, the triangular tongue assembly of the lock body provided by the embodiment of the application can directly stir the stirring piece to rotate in the stretching process so as to push the pushing piece to slide towards a specific direction, the pushing piece is connected with the lock shell in a sliding mode and slides towards one side of the locking mechanism so as to provide rotating force for the locking mechanism, the pushing piece can be prevented from deflecting and shaking in the sliding process, and the stable unlocking of the scissor tongue assembly is realized; the triangular tongue assembly is separated from the poking piece after being retracted into the lock shell, so that the locking mechanism can lock the scissors tongue assembly to realize stable locking. The lock that this application embodiment provided can drive locking mechanism through setting up handle and locking mechanism transmission cooperation outside the lock shell, and the user can rotate in order to stir scissors tongue subassembly through handle drive locking mechanism, and at the in-process of opening a door, triangle tongue subassembly can assist locking mechanism to promote locking mechanism simultaneously and rotate stretching out the in-process of lock shell, and then realizes that locking mechanism removes the locking to scissors tongue subassembly fast.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lock body provided in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a lock case of a lock body provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a lock body in a first state according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a lock body in a second state according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a locking mechanism of a lock body provided in an embodiment of the present application in a disassembled state.

Fig. 6 is a schematic structural diagram of a lock body according to an embodiment of the present application, in an assembled state, illustrating a locking mechanism, a position-limiting post, a rotating shaft, and a torsion spring.

Fig. 7 is a schematic structural diagram of a triangle tongue assembly, an elastic member and a stop member of a lock body provided in an embodiment of the present application in a disassembled state.

Fig. 8 is a schematic structural diagram of a rotating mechanism of a lock body provided in an embodiment of the present application in an assembled state.

Fig. 9 is a schematic structural diagram of a rotating mechanism and a guiding portion of a lock body provided in an embodiment of the present application in a disassembled state.

Figure 10 is a schematic structural diagram of another lock body provided by the embodiment of the application in an assembled state.

Fig. 11 is a schematic structural diagram of another lock body provided in the embodiment of the present application in a disassembled state.

Fig. 12 is a schematic structural diagram of a door lock provided in an embodiment of the present application in a disassembled state.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and 2, an embodiment of the present application provides alock body 100, which includes alock case 110, ascissor tongue assembly 120, atriangular tongue assembly 130, alocking mechanism 140, and atransmission mechanism 150.

Thelock case 110 has anaccommodating space 111, and thescissor tongue assembly 120 is slidably disposed in theaccommodating space 111 and can selectively extend out of or retract into thelock case 110; thetriangular tongue assembly 130 is slidably disposed in theaccommodating space 111 and can selectively extend out of or retract into thelock case 110, thetransmission mechanism 150 includes atoggle member 151 and a pushingmember 152, thetoggle member 151 is rotatably connected to thelock case 110, and the pushingmember 152 is slidably connected to thelock case 110, wherein when thetriangular tongue assembly 130 extends out of thelock case 110, thetoggle member 151 is driven to rotate and the pushingmember 152 is driven to slide towards one side of thelocking mechanism 140, so that thelocking mechanism 140 releases the locking of thescissor tongue assembly 120; when thecam tongue assembly 130 is retracted into thelock case 110, thecam tongue assembly 130 is separated from thetoggle 151.

Thetriangular tongue assembly 130 of the lock body provided by the embodiment of the application can directly toggle thetoggle piece 151 to rotate so as to push thepush piece 152 to slide towards a specific direction in the telescopic process, thepush piece 152 is connected with thelock shell 110 in a sliding manner so as to slide towards one side of thelocking mechanism 140 so as to provide a rotating force for thelocking mechanism 140, so that thepush piece 152 can be prevented from deflecting and shaking in the sliding process, and the stable unlocking of thescissor tongue assembly 120 is realized; after thetriangular tongue assembly 130 is retracted into thelock case 110, thetriangular tongue assembly 130 is separated from thetoggle piece 152, so that thelocking mechanism 140 can lock thescissor tongue assembly 120 to realize stable locking.

Referring to fig. 2 and 3, in the present embodiment, thelock case 110 includes abottom plate 112 and aside shell 113, theside shell 113 is disposed around thebottom plate 112 and forms areceiving space 111, theside shell 113 is penetratingly provided with a scissor-tongue hole 1131 and a triangular-tongue hole 1132, wherein an axis of the scissor-tongue hole 1131 may be substantially parallel to an axis of the triangular-tongue hole 1132, and the scissor-tongue hole 1131 and the triangular-tongue hole 1132 are both communicated with thereceiving space 111 for extending the scissor-tongue assemblies 120 and the triangular-tongue assembly 130 out of thelock case 110. In this embodiment, thelock case 110 is provided with theguide portion 116, theguide portion 116 may be a guide post 1161 (as shown in fig. 9), theguide post 1161 may be substantially cylindrical, the number of theguide posts 1161 may be two, and twoguide posts 1161 may be spaced substantially perpendicular to the axis of the scissor-tongue hole 1131.

In this embodiment, the scissor tongue assemblies 120 are slidably disposed on thebase plate 112 and may be selectively extended out of thescissor tongue holes 1131 or retracted into thelock housing 110 during sliding. Wherein, the scissors tongue subassembly includes two articulated tongues, and two articulated tongues are when not atress take the form and diverge each other and form roughly "scissors" shape, and in the in-process of opening the door, two articulated tongues are flushed each other with the contact surface of door frame effect and are formed the inclined plane in order to retract to lockshell 110 under the effect of door frame to form the inclined plane of different orientations according to the different directions of opening the door, in order to adapt to the door that opens the door of different directions (open the door towards indoor or outdoor).

In some embodiments, as shown in fig. 3, thelock body 100 may further include anelastic element 161, theelastic element 161 is connected to thescissor tongue assembly 120 and thelock shell 110 for resetting thescissor tongue assembly 120, theelastic element 161 may be a spring or a torsion spring, and the like, and theelastic element 161 is a torsion spring, as an example, the torsion spring has two torsion arms facing different directions, and the torsion spring may be sleeved on theguide post 1161 to perform the dual function of theguide post 1161, so as to fix the torsion spring and guide the pushingmember 152, one of the torsion arms may be connected to thescissor tongue assembly 120, and the other torsion arm may be connected to thelock shell 110 or abut against a fixing structure of thelock shell 110. When thescissor tongue assembly 120 is fully extended out of thelock case 110, the torsion spring is in a free state; when thescissor tongue assembly 120 is pressed back into thelock housing 110 by an external force, the two torsion arms are twisted in different directions and generate opposite torsion forces, and the torsion arms connected to thescissor tongue assembly 120 generate a force opposite to the sliding direction of thescissor tongue assembly 120 so that thescissor tongue assembly 120 has a movement tendency to extend out of thescissor tongue holes 1131, and when the external force applied to thescissor tongue assembly 120 is removed, thescissor tongue assembly 120 extends out of thescissor tongue holes 1131 by the force of the torsion spring so that thescissor tongue assembly 120 maintains the state of extending out of thescissor tongue holes 1131.

Referring to fig. 3, in the present embodiment, thelocking mechanism 140 is rotatably disposed on thebase plate 112 and selectively locks thetongue assembly 120 to keep thetongue assembly 120 in the state of extending out of thelock housing 110, or releases the locking of thetongue assembly 120. Wherein "locking" means that when thescissor tongue assembly 120 is fully extended out of thescissor tongue hole 1131, as shown in fig. 3, thelocking mechanism 140 at least partially abuts against the sliding area of thescissor tongue assembly 120 and is used for blocking thescissor tongue assembly 120 from sliding, so that thescissor tongue assembly 120 cannot be retracted into thelock housing 110 to keep thescissor tongue assembly 120 in the state of being extended out of thelock housing 110, wherein the sliding area of thescissor tongue assembly 120 refers to the set of sliding paths formed by the parts of thescissor tongue assembly 120 during the sliding process; wherein "disengaged" means that thescissor tongue assemblies 120 can be retracted into thelock housing 110 in the axial direction of thescissor tongue holes 1131 when thelocking mechanism 140 is moved away from thescissor tongue assemblies 120, as shown in fig. 4, thelocking mechanism 140 does not block the path of retraction of the scissor tongue assemblies 120 into thelock housing 110, so that the scissor tongue assemblies 120 can be fully retracted into thelock housing 110.

Referring to fig. 5, in the embodiment, thelocking mechanism 140 includes arotating body 141, a first extendingarm 142 and a second extendingarm 143, therotating body 141 may be substantially a long plate-shaped structure, therotating body 141 is rotatably disposed on thelock case 110, the first extendingarm 142 and the second extendingarm 143 are disposed side by side at intervals and are both connected to the same side of therotating body 141 to form a substantially "F" -shaped structure, the second extendingarm 143 may be configured to be in transmission fit with the pushingmember 152, and therotating body 141 may selectively drive the first extendingarm 142 to move to the moving path of thescissor tongue assembly 120 to block thescissor tongue assembly 120 so as to lock thescissor tongue assembly 120, or drive the first extendingarm 142 to move away from thescissor tongue assembly 120 so as to release the locking of thescissor tongue assembly 120.

Thelocking mechanism 140 can be selectively rotated to a locking position and an unlocking position, wherein the locking position refers to a position where thelocking mechanism 140 is rotated to block the sliding of thescissor tongue assembly 120 on the moving path of thescissor tongue assembly 120; the unlocked position refers to a position in which thelocking mechanism 140 rotates out of the path of movement of thescissor tongue assembly 120 and does not block thescissor tongue assembly 120 from sliding.

In some embodiments, as shown in fig. 5, thelocking mechanism 140 may further include alocking plate 144, afirst roller 145 and asecond roller 146, thelocking plate 144 may have a plate-shaped structure, as an example, thelocking plate 144 may have a "T" shaped structure, thelocking plate 144 may be disposed opposite to the rotatingbody 141 at a distance, thelocking plate 144 may include a locking body 1411 and alocking arm 1442, thelocking arm 1442 is connected to one side of the locking body 1411 and may be oriented in the same direction as thefirst extension arm 142, thelocking arm 1442 is disposed opposite to thefirst extension arm 142, thefirst roller 145 is rotatably connected to thelocking arm 1442 and thefirst extension arm 142, and thesecond roller 146 is rotatably connected to the locking body 1411 and the rotatingbody 141. When thelocking mechanism 140 is in the locking position, thefirst roller 145 can abut against thescissors tongue assembly 120, and when thelocking mechanism 140 rotates from the locking position to the unlocking position, thefirst roller 145 rotates under the friction force of thescissors tongue assembly 120, so that the friction force between the two is reduced, and thelocking mechanism 140 can easily rotate to the unlocking position. Thesecond roller 146 may be in driving engagement with another unlocking structure or a toggle structure, for example, the unlocking structure may toggle thesecond roller 146 to rotate thelocking mechanism 140 from the locked position to the unlocked position.

In some embodiments, as shown in fig. 4 and 6, thelock body 100 further includes areset member 162, and thereset member 162 is connected between thelocking mechanism 140 and thelock case 110 to reset thelocking mechanism 140. The restoringelement 162 may be a spring or a torsion spring, as an example, therestoring element 162 may be a torsion spring, thelock case 110 may further include a rotatingshaft 115 and a position-limitingpost 114, the rotatingshaft 115 may be disposed through an end of the rotatingbody 141 away from therotating mechanism 150, the rotatingbody 141 may rotate around the rotatingshaft 115, the position-limitingpost 114 is spaced apart from the rotatingshaft 115, and can be disposed in the rotation path of therotation body 141 to limit the rotation position of therotation body 141, the torsion spring can be sleeved on therotation shaft 115 and located at a side of therotation body 141 away from thebottom plate 112, the torsion spring has two torsion arms with different orientations, one of the torsion arms of the torsion spring can be connected to the column structure of therotation body 141, the other torsion arm of the torsion spring can be connected to thelimit post 114, the torsion spring is directly sleeved on the rotatingshaft 115 and the torsion arm of the torsion spring is connected to thelimit column 114, so that an additional structure for fixing the torsion spring is not required to be separately arranged. When thelocking mechanism 140 is in the locking position, the torsion spring is in a free state; when thelocking mechanism 140 rotates clockwise (as shown by the arrow in fig. 6) from the locking position to the unlocking position, both torsion arms of the torsion spring are twisted and deformed, and the twisted torsion arms generate a force opposite to the rotation direction of thelocking mechanism 140 so that thelocking mechanism 140 can rotate back to the locking position, thereby resetting thelocking mechanism 140.

Referring to fig. 2 and 7, in the present embodiment, thecam tongue assembly 130 is slidably disposed on thebase plate 112 and can selectively extend out of thecam tongue hole 1132 or retract into thelock housing 110 during the sliding process. Thetriangular tongue assembly 130 includes atriangular tongue 131 and a triangulartongue fixing portion 132, the triangulartongue fixing portion 132 is slidably disposed on thebottom plate 112 along an axis of thetriangular tongue hole 1132, and thetriangular tongue 131 is hinged to one end of the triangulartongue fixing portion 132. In some embodiments, thetriangular tongue assembly 130 may further include a pushingportion 133, the pushingportion 133 is disposed at one side of the triangulartongue fixing portion 132 and faces one side of thetoggle member 151, and during the process that thetriangular tongue assembly 130 extends out of thetriangular tongue hole 1132, the pushingportion 133 may abut against thetoggle member 151 to toggle thetoggle member 151 to rotate. When the door is locked, thetriangular tongue assembly 130 abuts against the door frame and is pressed into thelock shell 110, and whether the door is completely locked can be judged by detecting whether thetriangular tongue assembly 130 is completely compressed into thelock shell 110 through the position sensor so as to avoid the door from being in a virtual state; when unlocked, thetriangular tongue assembly 130 extends out of thetriangular tongue aperture 1132.

In some embodiments, as shown in fig. 7, thelock body 100 may further include anelastic member 134 and astopper 135, thestopper 135 may be provided with a throughhole 1351, the triangletongue fixing portion 132 is disposed through the throughhole 1351, and theelastic member 134 is sleeved on the outer circumference of the triangletongue fixing portion 132 and connected to the triangletongue fixing portion 132 and thestopper 135 to provide a restoring force to thetriangle tongue assembly 130. When thetriangular tongue assembly 130 is completely extended out of thetriangular tongue hole 1132, theelastic member 134 is in a free state; when thelatch assembly 130 is pressed back into thelock case 110 by an external force, thelatch assembly 130 compresses theelastic member 134 and generates an opposite force to the sliding direction of thelatch assembly 130 to thelatch assembly 130, and when the external force applied to thelatch assembly 130 is removed, thelatch assembly 130 slides to a position protruding out of thelatch hole 1132 by the restoring force of theelastic member 134. In addition, thestop member 135 is not required to be provided, and theelastic member 134 may be directly connected between the triangletongue fixing portion 132 and theside shell 113.

Referring to fig. 1, in the present embodiment, thetoggle element 151 and the pushingelement 152 are both disposed between thescissors tongue assembly 120 and thetriangle tongue assembly 130. Thetoggle member 151 is rotatably disposed on thebase plate 112, and at least a portion of thetoggle member 151 is located within a sliding area of thecam tongue assembly 130, where the sliding area of thecam tongue assembly 130 refers to a set of sliding paths formed by each partial structure of thecam tongue assembly 130 during a sliding process.

Referring to fig. 1, fig. 8 and fig. 9, in the present embodiment, thetoggle member 151 includes arotating portion 1511 and atoggle post 1512 connected to each other, the rotatingportion 1511 is substantially a sector structure, the rotatingportion 1511 is rotatably connected to thebase plate 112, a gap (not shown) is provided between therotating portion 1511 and thebase plate 112 to prevent therotating portion 1511 from rubbing against thebase plate 112 during the rotation process, and thetoggle post 1512 may be disposed on a surface of therotating portion 1511 facing thebase plate 112. Thetoggle member 151 may be an eccentric mechanism, that is, the center of gravity of thetoggle member 151 has a certain distance from the rotation center of therotation portion 1511, the center of gravity of thetoggle member 151 may be located at one side of the rotation center, which is deviated to theside shell 113, when thetriangular tongue assembly 130 pushes thetoggle member 151 to rotate, since thetoggle member 151 is an eccentric mechanism and can rotate clockwise toward theside shell 113 more easily to toggle thepush member 152, thetoggle member 151 drives thepush member 152 to slide.

In some embodiments, the turning radius of thetoggle member 151 may be equal to 0.5 to 3 times of the maximum telescopic displacement of thetriangular tongue assembly 130, wherein the turning radius may be a distance between a turning center of thetoggle member 151 and a center of thetoggle post 1512, and the maximum telescopic displacement may be a telescopic displacement of thetriangular tongue assembly 130 from being fully extended out of thelock housing 110 to being fully retracted into the receivingspace 111, and wherein the maximum telescopic displacement may be less than or equal to the maximum length of thetriangular tongue 131 along the axial direction of thetriangular tongue hole 1132. The benefits of this arrangement: thetriangular tongue assembly 130 can be pushed to rotate by a large stroke after sliding by a short stroke, so that the pushingmember 152 can slide by a large stroke, and thelocking mechanism 140 can completely release the locking of thescissor tongue assembly 120.

In this embodiment, the pushingmember 152 includes a slidingbody 1521 and a pushingarm 1522 connected to each other, the slidingbody 1521 may be a long plate-shaped structure, the slidingbody 1521 is slidably disposed on thelock case 110, the slidingbody 1521 of the slidingbody 1521 can perform a reciprocating linear motion in a direction substantially perpendicular to an axis of the scissor-tongue hole 1131 (as shown in fig. 2), the matchingportion 1525 is disposed on the slidingbody 1521, the pushingarm 1522 is disposed on one side of the slidingbody 1521, and thelocking mechanism 140 is at least partially located in a sliding area of the pushingarm 1522, where the sliding area may be a set of sliding paths formed when the structures of the pushingarm 1522 slide, so that when the pushingarm 1522 slides towards one side of thelocking mechanism 140, the first extendingarm 142 is driven to move towards a side away from the scissor-tongue assembly 120, so as to release the locking of the tongue-scissor assembly 120. The pushingmember 152 includes a pushingend 1523 and a drivingend 1524 connected to each other, the drivingend 1524 is disposed adjacent to thetoggle member 151 opposite to the pushingend 1523 for being in driving fit with thetoggle member 151, the pushingend 1523 faces thelocking mechanism 140 and is used for pushing thelocking mechanism 140 to rotate, and the pushingend 1523 and the drivingend 1524 are disposed on the slidingbody 1521.

Referring to fig. 8 and 9, in the present embodiment, the pushingmember 152 is provided with amatching portion 1525, the matchingportion 1525 may be a guide groove, the drivingend 1523 is provided with afirst guide groove 1526, the pushingend 1524 is provided with asecond guide groove 1527, the number of theguide posts 1161 may be two, and eachguide post 1161 is slidably embedded in thefirst guide groove 1526 and thesecond guide groove 1527, respectively.First guide slot 1526 andsecond guide slot 1527 can be rectangular shape groove, wherein, the width offirst guide slot 1526 andsecond guide slot 1527 can be roughly equal to the diameter ofguide post 1161 to makeguide post 1161 can offset with being used for injecing two relative wallboards that formguide slot 1526 ofslurcam 152, and twoguide posts 116 inlay respectively in the both ends ofslurcam 152, thereby avoidslurcam 152 to take place the beat or rock in sliding process, guarantee slurcam 152 can reciprocating linear motion.

In some embodiments, the sliding stroke of thefirst guiding groove 1526 is consistent with the sliding stroke of thesecond guiding groove 1527, wherein the lengths of thefirst guiding groove 1526 and thesecond guiding groove 1527 may be substantially the same, and after the pushingmember 152 slides for a certain stroke, the two guidingposts 1161 may simultaneously abut against the pushingmember 152 to limit the pushingmember 152.

In this embodiment, the pushingmember 152 and thetoggle member 151 are separated from each other without transmission connection through a rotating shaft structure or the like, and there is no need to provide hinge holes on the pushingmember 152 and thetoggle member 151, so that the manufacturing process of the pushingmember 152 and thetoggle member 151 is simplified, and the assembly is facilitated.

In some embodiments, the length ofpusher 152 can be less than 2/3 the distance between the center of scissor-tongue holes 1131 and the center of triangular tongue holes 1132. One end of therotating body 141 can extend to a position between the scissor-tongue holes 1131 and the triangular tongue holes 1132 to reduce the length of the pushingmember 152, the pushingmember 152 does not need to have an excessively long length, and when the sliding stroke of the pushingmember 152 is equal to or less than 1/3 of the distance between the center of the scissor-tongue holes 1131 and the center of the triangular tongue holes 1132, the pushingmember 152 can push therotating body 141 to rotate to the unlocking position. The length of theguide groove 1526 may be greater than or equal to the distance between the position where the pushingelement 152 contacts therotating body 141 and the position where therotating body 141 is pushed to rotate to release the locking.

In some embodiments, as shown in fig. 3 and 8, the pushingmember 152 may be partially located in the gap between therotating portion 1511 and thebase plate 112 and configured to drivingly engage thetoggle post 1512. The drivingend 1524 may partially extend into a gap between therotating portion 1511 and thebottom plate 112, and when thetoggle member 151 rotates, thetoggle post 1512 may abut against the drivingend 1524 to push the pushingmember 152 to slide. By partially extending the pushingmember 152 into the gap formed between therotating portion 1511 and thebottom plate 112, the pushingmember 152 can be prevented from occupying an excessive space of thelock case 110, and the overall length of thelock case 110 can be reduced.

Referring to fig. 10 and 11, in the present embodiment, thelock body 100 may further include amain bolt assembly 160, atoggle assembly 170 and an unlockingmechanism 180, wherein themain bolt assembly 160 is slidably disposed in the receivingspace 111 and located between thetriangular bolt assembly 130 and thescissor bolt assembly 120. Thehousing 110 further has amain bolt hole 1133 for extending themain bolt assembly 160, wherein themain bolt hole 1133 is located between thescissor bolt hole 1131 and thetriangular bolt hole 1132.

Referring to fig. 11, in the present embodiment, themain bolt assembly 160 includes amain bolt 161 and a mainbolt fixing portion 162, and the main bolt 16 may be a dead bolt or other types of bolts. The mainbolt fastening portion 162 is a plate-shaped structure, the mainbolt fastening portion 162 is slidably disposed on thebottom plate 112 substantially along the axial direction of themain bolt hole 1133, and themain bolt 161 is connected to the mainbolt fastening portion 162 and can be selectively extended out of themain bolt hole 1133 or retracted into thelock case 110 under the driving of the mainbolt fastening portion 162. In this embodiment, the mainbolt fixing portion 162 is provided with achute 1621, wherein an extending direction of thechute 1621 and a sliding direction of themain bolt assembly 160 form an included angle, and the included angle may be greater than 90 °. The mainbolt fastening part 162 may be located on a side of therotation mechanism 150 away from thebottom plate 112, that is, at least a part of the structure of therotation mechanism 150 is located between the mainbolt fastening part 162 and thebottom plate 112, so that thewhole lock body 100 is more compact in structure, therotation mechanism 150 does not need to occupy too much space, and in addition, a gap may be provided between therotation mechanism 150 and the mainbolt fastening part 162 to avoid interference between the two.

Referring to fig. 9 and 10, in the present embodiment, thetoggle assembly 170 is rotatably disposed on thehousing 110 and is in driving engagement with themain bolt assembly 160 to selectively drive themain bolt assembly 160 to extend out of thehousing 110 or retract into the receivingspace 111. In this embodiment, thetoggle assembly 170 may include a firstupper locking element 171, a secondupper locking element 172 and a slidingcolumn 173, wherein the structures of the firstupper locking element 171 and the secondupper locking element 172 may be substantially the same, taking the firstupper locking element 171 as an example, the firstupper locking element 171 includes anarc portion 1711 and adriving arm 1712, thearc portion 1711 may be a cylindrical structure, thedriving arm 1712 is disposed along the radial extension of thearc portion 1711, thearc portion 1711 is rotatably disposed in thelock housing 110, and thedriving arm 1712 is in transmission fit with themain bolt assembly 160. The firstupper locking piece 171 and the secondupper locking piece 172 can be arranged at a relative interval, and the rotation axes of the firstupper locking piece 171 and the secondupper locking piece 172 are coaxially arranged, wherein the mainbolt fixing portion 162 can be arranged between the firstupper locking piece 171 and the secondupper locking piece 172, and the slidingcolumn 173 penetrates through theinclined groove 1621 and is connected between the firstupper locking piece 171 and the secondupper locking piece 172, so that the assembly between thetoggle assembly 170 and themain bolt assembly 160 is firmer, and the slidingcolumn 173 is prevented from being separated from theinclined groove 1621. The first and secondupper locks 171 and 172 may slide the slidingpost 173 along theinclined groove 1621 during rotation to extend themain bolt assembly 160 out of themain bolt hole 1133 or retract the main bolt assembly into thelock housing 110.

In some embodiments, as shown in fig. 11, thetoggle assembly 170 may further include a firstgear shifting piece 191, the firstgear shifting piece 191 is in driving engagement with the firstupper locking part 171 and the secondupper locking part 172, the firstgear shifting piece 191 may be disposed between the firstupper locking part 171 and the secondupper locking part 172, and may be coaxially disposed with the rotation axes of the firstupper locking member 171 and the secondupper locking member 172, thefirst gear piece 191 may be provided at the outer circumference thereof with a convex tooth for transmission-engagement with other driving mechanisms, for example, the firstgear shifting piece 191 may be in transmission fit with a driving mechanism such as a lock cylinder through a transmission structure or directly, a convex pillar may be disposed on a surface of the firstgear shifting piece 191 facing the firstupper locking piece 171, the firstupper locking piece 171 may be provided with an arc groove, the convex pillar is embedded in the arc groove, and the firstgear shifting piece 191 rotates to a certain stroke and then can stir the firstupper locking piece 171 to rotate. In addition, in some embodiments, thetoggle assembly 170 may further include a secondgear shifting piece 192, the secondgear shifting piece 192 may be rotatably disposed on thebottom plate 112, a rotation axis of the secondupper locking piece 172 may be coaxially disposed with a rotation axis of the secondgear shifting piece 192, the secondgear shifting piece 192 may be located between the secondupper locking piece 172 and thebottom plate 112, the secondgear shifting piece 192 is in transmission fit with the secondupper locking piece 172, for example, the secondupper locking piece 172 may be provided with a convex pillar, the secondgear shifting piece 192 may be provided with an arc groove that is matched with the convex pillar of the secondupper locking piece 172, and the secondgear shifting piece 192 may be directly connected with a driving mechanism such as a driving motor, a door handle, or the like through a transmission structure.

Referring to fig. 11, in the present embodiment, the unlockingmechanism 180 is rotatably disposed on thelock housing 110 and is in transmission fit with thetoggle assembly 170 and thelocking mechanism 140, for toggling thelocking mechanism 140 to unlock thescissor latch assembly 120, and for toggling thetoggle assembly 170 to rotate to drive themain latch assembly 160 to retract into the receivingspace 111.

Referring to fig. 11, in the present embodiment, the unlockingmechanism 180 includes atoggle shaft sleeve 181, afirst toggle arm 182 and asecond toggle arm 183, thetoggle shaft sleeve 181 is rotatably disposed on thelock housing 110, thefirst toggle arm 182 and thesecond toggle arm 183 are spaced around the outer circumference of thetoggle shaft sleeve 181, thefirst toggle arm 182 and thesecond toggle arm 183 are disposed along different radial directions of thetoggle shaft sleeve 181, thetoggle shaft sleeve 181 drives thefirst toggle arm 182 and thesecond toggle arm 183 to rotate during the rotation along the unlocking direction (wherein, the unlocking direction may be a clockwise direction), thetoggle latch mechanism 140 releases the latch of thescissor latch assembly 120 when thefirst toggle arm 182 rotates, and thetoggle assembly 170 rotates to drive the mainlatch bolt assembly 160 to retract into thelock housing 110 when thesecond toggle arm 183 rotates. Thetoggle shaft sleeve 181 may be provided with asquare shaft hole 1811, and thelock case 110 may be provided with a fitting hole (not shown) communicating with thesquare shaft hole 1811. In addition, thelock body 100 may include a knob or a handle, and the knob or the handle may be rotatably disposed outside thelock body 100 and may pass through the mounting hole and thesquare shaft hole 1811 through the square shaft to be drivingly connected with thetoggle shaft sleeve 181. The user rotates through the rotary knob or the door handle to drive the unlockingmechanism 180 to rotate, the unlockingmechanism 180 can toggle thelocking mechanism 140 to unlock thescissor bolt assembly 120 and toggle thetoggle assembly 170 to rotate so as to drive themain bolt assembly 160 to retract into thelock case 110 to realize one-key unlocking in the rotating process, so that the user can conveniently unlock in an emergency, and can quickly escape at dangerous moments such as a fire.

In the unlocking process, the user can stir the handle thataxle sleeve 181 transmission is connected through the rotation,release mechanism 180 clockwise rotates,release mechanism 180drives locking mechanism 140 clockwise rotation and stirs subassembly 170 anticlockwise rotation when rotating,stir subassembly 170 anticlockwise rotation and drive the shrink ofmain bolt subassembly 160, and simultaneously,triangle tongue subassembly 130 stretches outtriangle tongue hole 1132, and drive stirringpiece 151 clockwise rotation at the in-process that stretches outtriangle tongue hole 1132,stir piece 151 and drive pushingpiece 152 towards one side oflocking mechanism 140 in order to promotelocking mechanism 140 clockwise rotation when rotating,locking mechanism 140 removes the locking toscissors tongue subassembly 120 fast under pushingpiece 152 and the dual function ofrelease mechanism 180, and then realize unblanking.

To sum up, thetriangular tongue assembly 130 of the lock body provided by the embodiment of the present application can directly toggle thetoggle member 151 to rotate so as to push thepush member 152 to slide toward a specific direction in the telescopic process, thepush member 152 slides toward thelocking mechanism 140 under the guiding action of the guidingportion 116 so as to provide a rotating force to thelocking mechanism 140, and thepush member 152 can be prevented from deflecting and shaking in the sliding process under the action of thematching portion 1525 and the guidingportion 116, so that the stable unlocking of thescissor tongue assembly 120 is realized; after thetriangular tongue assembly 130 is retracted into thelock case 110, thetriangular tongue assembly 130 is separated from thetoggle piece 152, so that thelocking mechanism 140 can lock thescissor tongue assembly 120 to realize stable locking.

Referring to fig. 12, an embodiment of the present invention further provides adoor lock 200, which may include thelock body 100 and thehandle 210. Thehandle 210 is rotatably disposed outside thelock case 110 and can be drivingly connected to thetoggle shaft sleeve 181 through a square shaft.

When unlocking, a user can drive the unlockingmechanism 180 to rotate by rotating thehandle 210, and the unlockingmechanism 180 stirs thelocking mechanism 140 and the stirringassembly 170 to rotate in the rotating process, so that thelocking mechanism 140 releases the locking of thescissor bolt assembly 120 and stirs themain bolt assembly 160 to retract into theaccommodating space 111, and further, the quick unlocking is realized.

Thelock 200 that this application embodiment provided can pass throughhandle 210 andlocking mechanism 140 transmission cooperation, and the user can drivelocking mechanism 140 throughhandle 210 and rotate in order to stirscissors tongue subassembly 120 and rotate, and at the in-process of opening the door,triangle tongue subassembly 130 can assistrelease mechanism 180 to promotelocking mechanism 140 to rotate simultaneously at the in-process that stretches outlock shell 110, and then realizes that lockingmechanism 140 removes the locking toscissors tongue subassembly 120 fast, realizes unblanking fast.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims (13)

1. A lock body, comprising:

the lock shell is provided with an accommodating space;

the scissors tongue assembly is slidably arranged in the accommodating space and can selectively extend out of or retract into the lock shell;

the locking mechanism is rotatably arranged on the lock shell and can selectively lock the scissor tongue assembly;

the triangular tongue component is slidably arranged in the accommodating space and can selectively extend out of or retract into the lock shell; and

the transmission mechanism comprises a toggle piece and a pushing piece, the toggle piece is rotatably connected with the lock shell, and the pushing piece is slidably connected with the lock shell, wherein when the triangular tongue assembly extends out of the lock shell, the toggle piece is driven to rotate, and the pushing piece is driven to slide towards one side close to the locking mechanism, so that the locking mechanism releases the locking of the scissor tongue assembly; when the triangular tongue assembly retracts into the accommodating space, the triangular tongue assembly is separated from the poking piece.

2. A lock body according to claim 1, characterized in that the lock housing is provided with a guiding portion, which is a guiding stud, and the push member is provided with an engaging portion, which is a guiding groove engaging with the guiding stud.

3. A lock body according to claim 2, wherein the pushing member includes a pushing end and a driving end connected to each other, the driving end is disposed adjacent to the toggle member with respect to the pushing end for driving engagement with the toggle member, the pushing end is configured to push the locking mechanism to rotate, the driving end is provided with a first guide groove, the pushing end is provided with a second guide groove, the number of the guide posts is two, and each of the guide posts is slidably fitted in the first guide groove and the second guide groove, respectively.

4. A lock body according to claim 3, wherein the sliding travel of said first guide slot is coincident with the sliding travel of said second guide slot.

5. A lock according to claim 2, wherein the push member comprises a sliding body and a push arm connected to each other, the engagement portion being provided on the sliding body, the sliding body being slidably arranged on the lock housing, the push arm being provided on a side of the sliding body, the locking mechanism being at least partly located within the sliding area of the push arm.

6. A lock body according to any of claims 1-5, wherein the lock housing comprises a base plate, the toggle member comprises a rotary part and a toggle post connected to each other, the rotary part is rotatably connected to the base plate, a gap is provided between the rotary part and the base plate, and the push member is partially located in the gap and is adapted to be in driving engagement with the toggle post.

7. A lock body according to any one of claims 1 to 5, wherein the locking mechanism comprises a rotating body, a first extension arm and a second extension arm, the rotating body is rotatably disposed on the lock casing, the first extension arm and the second extension arm are spaced side by side and are both connected to the same side of the rotating body, the pushing member is in driving engagement with the second extension arm, and when the pushing member slides towards a side close to the locking mechanism, the pushing member drives the first extension arm to move towards a side deviating from the scissor tongue assembly, so as to unlock the scissor tongue assembly.

8. A lock body according to any of claims 1-5, characterized in that the lock body further comprises a reset member, which is connected between the locking mechanism and the lock housing for resetting the locking mechanism.

9. A lock according to any of claims 1-5, wherein the cam tongue assembly comprises a cam tongue, a cam tongue fixing portion and a pushing portion, the cam tongue is hinged to the cam tongue fixing portion, the cam tongue fixing portion is slidably arranged on the lock housing, the pushing portion is connected to a side of the cam tongue fixing portion facing the toggle member, and the toggle member is at least partially located within a sliding area of the pushing portion.

10. A lock body according to any one of claims 1-5, further comprising a main bolt assembly, a toggle assembly and an unlocking mechanism, wherein the main bolt assembly is slidably disposed in the receiving space, the toggle assembly is rotatably disposed in the lock housing and is in transmission engagement with the main bolt assembly to selectively drive the main bolt assembly to extend out of the lock housing or retract into the receiving space, and the unlocking mechanism is rotatably disposed in the lock housing and is in transmission engagement with the toggle assembly and the locking mechanism to toggle the locking mechanism to unlock the scissor bolt assembly and to toggle the toggle assembly to rotate to drive the main bolt assembly to retract into the receiving space.

11. The lock of claim 10, wherein the unlocking mechanism comprises a toggle sleeve and a first toggle arm and a second toggle arm, the toggle sleeve is rotatably disposed in the lock housing, the first toggle arm and the second toggle arm are spaced around the outer circumference of the toggle sleeve, the toggle sleeve drives the first toggle arm and the second toggle arm to rotate during rotation in the unlocking direction, the first toggle arm rotates to toggle the locking mechanism to unlock the scissor latch assembly, and the second toggle arm rotates to toggle the toggle assembly to rotate to drive the main latch bolt assembly to retract into the lock housing.

12. A lock according to any of claims 1-5, wherein the rotation of the toggle member causes the sliding of the push member, and the radius of rotation of the toggle member is equal to 0.5-3 times the maximum extension displacement of the triangular tongue assembly.

13. A door lock, characterized in that it comprises a handle and a lock body according to any of claims 1-12, said handle being rotatably arranged outside said lock housing.

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