A kind of latching device, lock body and its application in cooking apparatusTechnical field
The present invention relates to lock technology field, more specifically to a kind of latching device, lock body and its in cooking apparatusIn application.
Background technology
Steamer is one of common steaming kitchen tools, in order to ensure to have enough pressure in steamer, it is necessary to carry out steamer closeEnvelope, i.e., it is necessary to realize the air-proof condition for reaching certain in steamer after cabinet door is closed, therefore to the requirement of steamer retaining mechanism moreStrictly.Required in addition, if steam cabinet door can not reach preferable locking, in use, since internal pressure is larger, veryEasily blow cabinet door, there are some potential safety problems.
At present, used pressing sealing structure is all handwheel screw clamp sealing structure on conventional vapor steamer, in cabinetAfter door is closed, internal tapered end is set to block the locked groove on cabinet by rotational handle, reverse drive handle again during opening.Due to handwheelBottom and pressing plate are plane contacts, so frictional resistance is very big, it is time-consuming and laborious, it is inconvenient to use.
As technological improvement, also there are Some Enterprises to realize locking using mechanical linkage at present.Such as published steamerLocking device (the application number of cabinet door：200920289730.2), the device include retaining ring, the knocker base that is fixed in cabinet door withAnd the handle being connected with knocker base by rotation axis, by adjusting retaining ring development length between its described retaining ring and handleRegulating device connects.Locking device in the program is adjustable, when the seal gasket aging between cabinet door and cabinet, can pass throughRegulating device adjusts compression degree, it is ensured that good seal.The program realizes that the locking of cabinet is close using the characteristic of linkageEnvelope, needs to apply larger power in latching point, and when operation is more laborious, and serious wear, service life are shorter.
Separately there is patent formula (application number：201621395412.0) a kind of steamer lock, including base, the base are disclosedTop is provided with two groups of parallel support plates, and support plate bottom and tube chamber welds with base, and movable block is provided with the support plate, is touchedHead and the connecting plate between movable block, contact, and contact front end is the arc being upturned, and is set below the movable blockThere is resetting spring, the contact is made of the contact interlayer of the parallel contact clamping part in both sides and middle superposition, the movable blockThe movable block clamping part and the movable block interlayer of middle superposition being arranged in parallel by both sides form, and the folder inside contact and movable blockLayer between interlayer, between interlayer and clamping part be to be fixedly connected, the connecting plate is welded into by the connecting plate interlayer being superimposedIntegral structure.The patent formula is equally the lock sealing that cabinet is realized using the locking characteristic of linkage, although canReach reset effect, but there are certain security risk for the setting of its contact.
The content of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome to latch not easy-operating deficiency in the prior art, there is provided a kind of latching device,Sealed and opening operation is more convenient, and disclosure satisfy that demand for security；
A kind of lock body is provided at the same time, the handle and return spring in the lock body can preferably realize switching action, willIt is applied in cooking apparatus, can ensure preferable leakproofness.
2. technical solution
To reach above-mentioned purpose, technical solution provided by the invention is：
A kind of latching device of the present invention, including：Lock body button, the lock body button are made of base and lock, and base is used to pacifyDress is fixed, and the substrate top of lock is connected with contact, and the top surface of contact and at least one side are obliquely installed, or contact is setFor taper；The bottom surface of contact is equipped with bayonet；
Lock body bar, it includes locking bar fixed seat and the locking bar axis between two leg of locking bar fixed seat；
During clamping, locking bar axis extrudes the top surface of contact, and the lock body button or lock body bar can deflect return, make locking bar axis cardCard inlet；By rotating lock body button or lock body bar, locking bar axis is set to depart from bayonet along contact sidepiece inclined-plane.
As further improvement of the present invention, the bottom of the substrate is provided with limit base, for restricting substrate posture；Substrate is articulated and connected with base, and locking spring is housed on hinged axostylus axostyle, and locking spring props up substrate, after can deflecting substrateReturn.
As further improvement of the present invention, rotatable locking bar pivoted housing is set with the locking bar axis.
As further improvement of the present invention, the lock body bar can rotate, its shaft deviates the middle section of contact, andClose to the sidepiece inclined-plane of contact, which is used to make locking bar axis depart from bayonet.
As further improvement of the present invention, including handle and Claims 1 to 5 any one of them latching device,The lock body button or lock body bar are installed on handle.
As further improvement of the present invention, the handle includes handle, return spring and transfer panel, the fixed seatOn transfer panel, the transfer panel is by its rotation of handle drives；The return spring can be such that transfer panel recovers to initial bitPut.
As further improvement of the present invention, the transfer panel is connected by drive plate with handle set, drive plate directionThe side of transfer panel is provided with transmission baffle, and the transmission baffle engages with the protrusion on transfer panel；Return spring is sleeved on biographyThe cylinder periphery that dynamic baffle is formed with the male cooperation.
As further improvement of the present invention, the drive plate is sleeved in sleeve, and return spring is compressed in rotationBetween disk body and sleeve ends baffle ring, spring card slot is equipped with the postive stop baffle of drive plate；The transfer panel is limited in end capInterior rotation,.
As further improvement of the present invention, above-mentioned lock body is applied in steamer, pressure cooker or steaming and baking box.
As further improvement of the present invention, lock-hole of door board is offered on the door-plate of cooking apparatus, lock body bar is located atIn lock-hole of door board, lock body button bit is in the correspondence position of apparatus body.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) a kind of latching device of the invention, the top surface of its contact and at least one side are face of inclining, or are directly setFor pyramidal structure, during engaging, locking bar axis can extrude contact top surface, both stagger automatically, locking bar axis is snapped onto in bayonet；NeedWhen opening, one of element is driven, coordinates the sidepiece inclined-plane of locking bar axis and contact, then can open latching device, is lockedTight and opening operation is relatively simple；Due to being that locking bar axis directly engages with the bayonet of contact bottom surface, it is not easy to disengage, security performanceIt is high.
(2) a kind of latching device of the invention, locked body is as return mechanism is swung, and lock body bar is as rotatable portion at this timePart, rotating rod lock axis are easier to the opening of lock relative to rotational lock button；Rotatable locking bar is set with locking bar axis to turnSet, locking bar pivoted housing are converted into pivoting friction with sassafras that slip can rub during contact, due to the reduction of frictional force, operate resistanceGreatly reduce, contribute to the raising of service life.
(3) a kind of lock body of the invention, lock body button either lock body bar is installed on handle, institute can be driven by handleInstalling component rotates, and realizes rotating operation when unlocking；In addition, being attached by transfer panel, structural strength can be increased, at the same timeEasy to installing and using in a particular application.
(4) a kind of lock body of the invention, drive plate are sleeved in sleeve, and transfer panel is limited in end cap and rotates, Neng GoubaoCard drive plate is rotated coaxially with transfer panel, while is conducive to rotary spacing, the realization that rebound resets.The lock body is applied to kitchenIn equipment, such as steamer, steaming and baking box equipment, firmly press door-plate and automatic locking can be achieved；Swing handle can open door-plate,There is larger improvement relative to traditional type equipment, suitable for promoting the use of.
Brief description of the drawings
Fig. 1 is the fit structure schematic diagram of latching device；
Fig. 2 is the side structure schematic diagram of lock body button；
Fig. 3 is the schematic cross-section of lock body button；
Fig. 4 is the decomposition texture schematic diagram of lock body；
Fig. 5 is the structure diagram of drive plate；
Fig. 6 is the structure diagram of drive plate；
Fig. 7 is the attachment structure schematic diagram of transfer panel；
Fig. 8 is the mounting structure schematic diagram of lock body and door-plate.
Label declaration in schematic diagram：1st, lock body button；11st, base；111st, ear mount；112nd, axostylus axostyle；12nd, locking spring；13、Lock；131st, contact；132nd, bayonet；133rd, substrate；134th, limit base；135th, technique inclined plate；2nd, lock body bar；21st, locking bar is fixedSeat；22nd, locking bar leg；23rd, locking bar axis；24th, locking bar pivoted housing；3rd, handle；31st, handle；311st, handle set；32nd, drive plate；321、Rotating disk body；322nd, postive stop baffle；323rd, it is driven baffle；324th, spring card slot；325th, it is driven floor；33rd, sleeve；34th, returnSpring；35th, end cap；36th, transfer panel；361st, driving section；362nd, connecting portion；37th, fixing bolt；41st, door-plate；42nd, lock-hole of door board.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
With reference to Fig. 1, a kind of latching device of the present embodiment, including：Lock body button 1 and lock body bar 2, both can lock together.Lock body button 1 is made of base 11 and lock 13, and base 11 is used to install fixation, and the top of substrate 133 for latching 13 is connected with contact131, the top surface of contact 131 and a side are obliquely installed, and the bottom surface of contact 131 is equipped with bayonet 132.Lock body bar 2 includes locking barFixed seat 21 and the locking bar axis 23 between 21 liang of legs of locking bar fixed seat, during clamping, locking bar axis 23 extrudes contact 131Top surface, the lock body button 1 can deflect return, locking bar axis 23 is caught in bayonet 132；By rotating lock body button 1 or lock body bar 2,Locking bar axis 23 is set to depart from bayonet 132 along 131 sidepiece inclined-plane of contact.
Specifically, with reference to Fig. 2, Fig. 3, the present embodiment is using lock body button 1 as swingable return mechanism.The bottom plate two of base 11End is provided with counter sink, for base 11 to be fixed on equipment.Two ear mounts 111, substrate 133 are arranged in parallel with base 11It is articulated and connected with base 11, substrate 133 is installed in two ear mounts 111 by axostylus axostyle 112.Equipped with locking bullet on axostylus axostyle 112Spring 12, the both ends of locking spring 12 are wrapped on axostylus axostyle 112, and prop up base 11；12 stage casing of locking spring props up substrate 133 and carries on the backFace, can make substrate 133 have the trend moved to direction where contact.The bottom of substrate 133 is provided with limit base 134, usesIn 133 posture of restricting substrate.
The limit base 134 of 133 bottom of substrate can be used as initial position posture when coordinating with base 11, be supported with locking spring 12Firmly 133 back side of substrate, then can make substrate 133 have the trend for keeping initial position posture all the time.Substrate 133 and limit base134 coupling part sets technique inclined plate 135, i.e., inclined-plane is set on substrate 133, or be arcuate structure, it is ensured that substrate 133It can be rotated relative to base 11.
When in use, axostylus axostyle 112 travels forward contacts with 131 top bevel of contact, as axostylus axostyle 112 continues to move,Under its active force, substrate 133 overcomes spring force to support or oppose side oscillation；When axostylus axostyle 112 is contacted with the bottom surface of contact 131, due to lockThe screen resilience that tight spring 12 provides, substrate 133 swing return, axostylus axostyle 112 are snapped onto in bayonet 132 automatically.
With reference to Fig. 2, in order to optimize structure, extend the service life of mechanism, 133 dorsal part of substrate opens up spring groove, locks bullet12 stage casing of spring is located in spring groove.Bayonet 132 should have enough radians close to the side of substrate 133, to ensure it with locking bulletThe distance between spring 12, prevents that component from rotating unlocking hour locking lever fixed seat 21 or locking bar axis 23 contacts friction with locking spring 12.
In addition it is also possible to base 11 is fixedly connected with substrate 133.21 one end of locking bar fixed seat hingedly connects with fixed stationConnect, and realized with spring and swing return function.21 other end of locking bar fixed seat is fixedly connected with locking bar leg 22.Two locking bar branchFoot 22 is symmetrical arranged, and forms Y-shaped structure, and locking bar axis 23 is installed between two locking bar legs 22.Due to 21 energy of locking bar fixed seatEnough realize swings return, when it coordinates with contact 131, equally axostylus axostyle 112 is snapped onto in bayonet 132 can automatically.
Rotatable locking bar pivoted housing 24 is set with the present embodiment locking bar axis 23, which can be with respect to locking bar axis23 rotate, when being contacted with contact 131, sliding friction can be changed into by rolling friction by locking bar pivoted housing 24, so as to compared withFrictional force is reduced in big degree, is conducive to the engaging between lock body button 1 and lock body bar 2 and separates.
One side of the present embodiment contact 131 is obliquely installed, its round-corner transition between top droop face, passes through rotationLock body button 1 or lock body bar 2, locking bar pivoted housing 24 coordinates with sidepiece inclined-plane, and then locking bar pivoted housing 24 can be made to depart from bayonet 132.
More preferably, two inclined-planes of contact 131 can be disposed as inclined-plane, between 131 bottom surface of contact and bayonet 132It is divided into planar structure, then to positive and negative both direction rotary part, lock body button 1 and lock body bar 2 can be opened.In normal useWhen, it is the rotation for only limiting a direction mostly for the ease of operation, but different equipment placement locations is different, and its lockThe difference of the setting position of body, may need to be adjusted the direction of rotation of lock body button 1 or lock body bar 2.The present embodiment handleContact 131 sets two sidepiece inclined-planes, disclosure satisfy that different use demands, and process easy to the standardization of product.
In addition, contact 131 can be also arranged to pyramidal structure, 131 bottom surface of contact is still plane, can be in contact 131Upper cut-out rim charge is formed.The contact 131 of pyramidal structure still regards that top surface and side are ramp structure as, does not influence to engageLocking and rotation unlocking operation.
What deserves to be explained is in order to be more easy to and unlocking operation, when using lock body bar 2 as during rotatable parts, its shaft deviatesThe middle section of contact 131, and close to the sidepiece inclined-plane of contact 131.This implementation shaft is the rotary middle spindle of lock body bar 2, in thisThe middle section of axis runout contact 131.If central axes are located on the middle section of contact 131, when locking bar axis 23 turns an angleAfterwards, its rotary middle spindle corresponding position is still generally aligned in the same plane with 131 pointed part of contact, and locking bar axis 23 is by 131 end of contactPortion stops, is analyzed from amechanical angle, can form a stress dead angle, and locking bar pivoted housing 24 can not be made to depart from 131 bottom surface of contact.WhenSo, when in use, by the way that the end wedge angle of contact 131 is arranged to arc transition structure, or the end wedge angle and locking bar turnThe size difference of set 24 is larger, locking bar pivoted housing 24 is departed from 131 bottom surface of contact by applying certain pulling force.But as compared withIt for the design of optimization, can be set by the deviation of shaft, enable locking bar pivoted housing 24 directly to one Slideslip of inclined-plane after rotation,Locking bar pivoted housing 24 departs from bayonet 132.
With reference to Fig. 4, a kind of lock body of the present embodiment, including handle 3 and above-mentioned latching device, lock body button 1 or lock body bar 2Installation is on the handle 3.The rotation process of lock body button 1 or lock body bar 2 can be realized by the handle 3.Preferably, the present embodimentLock body bar 2 is connected with handle 3.
Specifically, handle 3 mainly includes handle 31, return spring 34 and transfer panel 36, and fixed seat 21 is installed on transfer panelOn 36, which is connected with handle 31, by handle 31 transfer panel 36 can be driven to rotate synchronously.Set returnSpring 34 can be such that transfer panel 36 recovers to initial position, after unlocking operation can self-return, in lock status can be closed again.
Further, for the ease of installing and using, while in view of the stability of structure, the end set handle of handle 31Seat 311, there is mounting hole at 311 center of handle set, and transfer panel 36 is connected by drive plate 32 with handle set 311.
With reference to Fig. 5, Fig. 6, card slot, 321 court of rotating disk body of drive plate 32 are provided with the mounting hole bottom surface of handle set 311Transmission floor 325 is set to the side of mounting hole bottom surface, which is caught in the card slot of handle set 311, rotating disk body321 are provided with transmission baffle 323 towards the side of transfer panel 36, and two pieces of transmission baffles 323 are symmetrical arranged, corresponding on transfer panel 36Be equipped with two pieces it is symmetrical raised, transmission baffle 323 with protrusion is staggered engages into a cylinder, driving torque can be transmitted.ReturnPosition spring 34 is sleeved on the cylinder periphery that transmission baffle 323 and the male cooperation are formed, and one end of return spring 34 props up outerPortion's fixed part, the other end props up drive plate 32 or transfer panel 36, for enabling rotating part self-return.
With reference to Fig. 7, the transfer panel 36 of the present embodiment includes driving section 361 and connecting portion 362, and driving section 361 is used to coordinateDrive plate 32, connecting portion 362 are used to connect locking bar fixed seat 21.Connecting portion 362 may be configured as the rectangular configuration of a side mouth,Locking bar fixed seat 21 equally there are three side walls to be bonded with connecting portion 362, can transmit high torque.It can be worn successively with screw rodCross transfer panel 36, the middle part circular hole of drive plate 32 is fixed in the mounting hole of handle set 311.In use, handle seat 311, turnConnect disk 36 or drive plate 32 is rotatably connected in sleeve, sleeve is used to fix with exterior door-plate, then can relative sleeve rotational handle31。
More preferably, drive plate 32 is sleeved in sleeve 33, there is baffle ring in the one end of sleeve 33 away from rotating disk body 321, gearRing can be structure as a whole with sleeve 33, raised from baffle ring endoporus insertion set on driving section 361 through being less than 33 internal diameter of sleeve in itIn cylinder 33.Return spring 34 is compressed between 33 end retainer of rotating disk body 321 and sleeve.
Postive stop baffle 322 is additionally provided with the present embodiment rotating disk body 321, the postive stop baffle 322 and 323, baffle of transmissionIn the same side, and it is symmetrical, and its length is more than transmission baffle 323, for providing certain space for return spring 34.LimitPosition 322 root of baffle is provided with disk protrusion, which is less than 321 diameter of rotating disk body, which can be with sleeve 33Inner wall coordinates.Spring card slot 324 can be opened up on postive stop baffle 322, the movable end of return spring 34 is stuck in the spring card slot 324It is interior.Limited block can be also set in sleeve 33 as needed, for limiting the maximum rotation scope of drive plate 32, the slewing areaAs long as disclosure satisfy that the disengaging condition of locking bar pivoted housing 24 and contact, its structure is not specifically limited.
The transfer panel 36 of the present embodiment is limited in end cap 35 and rotates, and the end cap 35 is similar with 33 structure of sleeve, is integratedClosing panel and cylinder, can be also set to two parts of split by structure.The driving section 361 of transfer panel 36 and connecting portion 362 itBetween be equipped with disk, which coordinates with 35 inner cavity of end cap, for limiting the center of rotation of transfer panel 36.
In addition, disk diameter is more than the internal diameter size of the end retainer of sleeve 33, the disk and limiting block on transfer panel 36Plate 322, which coordinates, can limit rotating part axial movement.More preferably, the inner wall of 33 end retainer of sleeve may be configured as inner small and outside bigRamp structure, i.e. size gradually increases from inside to outside, passes through inclined-plane between the driving section 361 of transfer panel 36 and connecting portion 362Annulus transition connects, then the inclined-plane annulus can preferably limit rotating part and be axially moved with baffle ring minor diameter fit.In end cap35 are equipped with perforative bolt hole, and threaded hole is correspondingly arranged on sleeve 33, can be end cap 35 and sleeve by fixing bolt 3733 are fixed on door-plate.
Above-mentioned lock body can be applied on cooking apparatus, as applied on steamer, pressure cooker or steaming and baking box, can be used as door-plateWith the locked portions of babinet.
With reference to Fig. 8, the present embodiment is applied lock body on steamer, and lock-hole of door board 42 is offered on the door-plate 41 of steamer,Transfer panel 36 and drive plate 32 are locked in the mounting hole of handle set 311 by the screw rod pressing at center,
Lock body bar 2 is located in lock-hole of door board 42, and lock body button 1 is located at the correspondence position of apparatus body.Fixing bolt 37 is endLid 35 and sleeve 33 are fixed in the end sidewalls of lock-hole of door board 42, and installation after sleeve 33 also is located at the mounting hole of handle set 311It is interior, 311 end face of handle set is partially protrude through on end cap 35, then handle 31 is located at the outside of door-plate 41, and lock body bar 2 is located at door-plate lockIn hole 42.The correspondence position mounting seat 11 on the cabinet of steamer, after closing door-plate 41, lock 13 is inserted into lock-hole of door board 42Engage with lock body bar 2, the elastic sealing part on door-plate 41 can coordinate with cabinet, reach preferable sealing effect.Need outWhen opening door-plate 41, rotational handle 31, locking bar pivoted housing 24 departs from contact 131 bottom surface, and coordinates with 131 inclined-plane of contact, then can beDoor-plate 41 is opened, easy to operate, and locking mechanism is safe and reliable.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in attached drawingWhat is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this areaArt personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solutionSimilar frame mode and embodiment, are within the scope of protection of the invention.