Direct-type plug-in connectorTechnical Field
The application relates to the technical field of connectors, in particular to a straight plug-in connector.
Background
The direct plug connector can be widely applied to occasions of frequent disassembly and electric connection of outdoor equipment, and the connector has the characteristics of small volume, convenient operation, long service life, good sealing performance and the like. At present, the matched connector generally adopts a threaded and bayonet connection separation structure, a certain connection and separation torque is needed in the connection and separation process, and the matched connector is inconvenient to operate, has a low mechanical life and is not suitable for occasions with small operation space and frequent operation. The direct plug connection and separation structure has the advantages of no tightness, low service life, difficulty in combining small volume, long service life and sealing structure, and inapplicability to connection and separation of electric signals between frequently detached outdoor equipment.
Disclosure of Invention
In view of the above, the embodiments of the present application provide a direct-plugging connector, which at least partially solves the problems of inconvenient plugging and tightness of the connector in the prior art.
The embodiment of the application provides a straight plug connector, which comprises a plug and a socket,
The plug comprises a self-rebound assembly sleeved on the outer ring of the plug, the locking and unlocking of the plug and the socket are realized through the self-rebound assembly, a fixing piece is sleeved on the end part of the plug, which is used for being in butt joint with the socket, and the fixing piece is used for positioning the self-rebound assembly;
The socket comprises a socket shell, when the plug is connected with the socket, the socket shell is sleeved on one side of the fixing piece from the plug to be arranged on the outer side of the plug, the self-rebound assembly is locked with the inner side of the socket shell in a clamping manner, a groove body is arranged at the position, opposite to the fixing piece, of the inner side of the socket shell, a sealing ring is arranged in the groove body, and the fixing piece and the socket shell realize sealing effect when extruding the sealing ring.
According to a specific implementation manner of the embodiment of the application, the self-rebound assembly comprises an inner shell, a locking sleeve and an outer shell which are sleeved in sequence from inside to outside, wherein the locking sleeve is provided with an open-type structure, and the open-type structure is clamped with the inner side of the socket shell.
According to the concrete implementation mode of the embodiment of the application, a positioning boss is arranged on one side of the split structure, which is close to the fixing piece, the outer shell is sleeved on the locking sleeve, the outer shell is positioned on one side, which is far away from the fixing piece, of the positioning boss, a first groove is arranged on the inner side of the socket shell, when the plug and the socket are locked, the positioning boss is matched with the first groove to realize clamping, a second groove is arranged on the inner shell, and when the plug and the socket are unlocked, the outer shell is pulled to enable the positioning boss to be matched with the second groove to realize unlocking.
According to a specific implementation manner of the embodiment of the application, the fixing piece is a fixing nut, the inner side of the fixing nut is in threaded connection with one end of the inner shell, and the positioning boss abuts against the fixing nut to achieve positioning.
According to a specific implementation manner of the embodiment of the application, the positioning boss is provided with an inclined plane, the inclined plane is positioned on one side of the positioning boss close to the fixing piece, and the inclined plane begins to incline outwards from the top of the positioning boss.
According to a specific implementation manner of the embodiment of the application, one end of the inner shell extends to the outer side of the compression ring, and the other end of the inner shell extends to the inner side of the fixing piece.
According to a specific implementation manner of the embodiment of the application, a positioning pin is arranged between the self-rebound assembly and the socket shell.
According to a specific implementation manner of the embodiment of the application, a tail screw cap is arranged at the end part of the plug opposite to the fixing piece, a wire sealing body pressing ring is connected to the inner side of the tail screw cap, a pressing ring, a sealing gasket and a positioning sleeve are sequentially arranged on one side of the wire sealing body pressing ring away from the tail screw cap, a needle insulator assembly is arranged on the inner side of the positioning sleeve, and the self-rebound assembly is sleeved on the outer side of the positioning sleeve.
According to a specific implementation of an embodiment of the application, the socket further comprises a hole insulator assembly located inside the socket housing, a shielding ring located between the hole insulator assembly and the socket housing, and a clamping nut located outside the socket housing.
Advantageous effects
The direct plug connector provided by the embodiment of the application has the characteristics of small volume, convenience in operation, long service life, reliable electrical connection and good sealing property by arranging the self-rebound component and the sealing structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a plug of an in-line connector according to an embodiment of the present invention;
FIG. 2 is a block diagram of a receptacle of an in-line connector according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of an in-line connector according to an embodiment of the present invention;
fig. 4 is a locking sleeve of an in-line connector according to an embodiment of the present invention.
In the figure, 1, a tail nut; 2, a wire sealing body pressing ring, 3, a pressing ring, 4, a sealing gasket, 5, an inner shell, 6, an outer shell, 7, a positioning sleeve, 8, a locking sleeve, 81, a positioning boss, 82, an open-valve structure, 83, an inclined surface, 9, a needle insulator assembly, 10, a fixing nut, 11, a hole insulator assembly, 12, a socket shell, 13, a shielding ring, 14, a sealing ring, 15, a clamping nut and 16, and a first groove.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
An embodiment of the present application provides a direct plug connector, which is described in detail below with reference to fig. 1 to 4.
Referring to fig. 1 to 3, the straight plug connector in this embodiment includes a plug and a socket, a tail nut 1 is disposed at one end of the plug, the tail nut 1 fixes one end of the plug, a wire sealing body pressing ring 2 is connected to the inner side of the tail nut 1, a pressing ring 3, a sealing pad 4 and a positioning sleeve 7 are sequentially disposed on one side of the wire sealing body pressing ring 2 away from the tail nut 1, a needle insulator assembly 9 is disposed on the inner side of the positioning sleeve 7, a self-rebound assembly is sleeved on the outer side of the positioning sleeve 7, the self-rebound assembly is locked and unlocked with the socket, a fixing member is sleeved on the end of the plug, which is abutted to the socket, and the fixing member locates the self-rebound assembly.
The socket comprises a socket shell 12, a hole insulator assembly 11 is arranged in the socket shell 12, a shielding ring 13 is arranged between the hole insulator assembly 11 and the socket shell 12, and when the socket is locked with the plug, the shielding ring 13 is positioned at the end part of the plug. When the socket is locked with the plug, the socket shell 12 is sleeved on the outer side of the plug from the side, provided with the fixing piece, of the plug, the self-rebound assembly is locked with the inner side of the socket shell 12 in a clamping way, a groove body is arranged at the position, opposite to the fixing piece, of the inner side of the socket shell 12, a sealing ring 14 is arranged in the groove body, and when the plug and the socket are completely aligned in place, the fixing piece and the socket shell 12 squeeze the sealing ring 14 to realize a sealing effect.
Further, referring to fig. 1 and 3, the self-rebound assembly includes an inner housing 5, a locking sleeve 8 and an outer housing 6, which are sleeved in sequence from inside to outside, and the inner housing 5, the locking sleeve 8, the outer housing 6, the fixing member, the socket housing 12 and the sealing ring 14 form a complete sealing structure. One part of the inner shell 5 is sleeved on the outer side of the positioning sleeve 7, and the other part of the inner shell 5 abuts against one end of the fixed outer sleeve 7, namely, the positioning sleeve 7 is positioned between the other part of the inner shell 5 and the sealing gasket 4, so that the axial positioning of the wire sealing body pressing ring 2, the pressing ring 3 and the sealing gasket 4 is realized.
The locking sleeve 8 is provided with an opening-type structure 82, the opening-type structure 82 is clamped with the inner side of the socket housing 12, one end of the opening-type structure 82 in the embodiment is connected with the locking sleeve 8 into a whole, the other end is a free end, and when a plug is inserted into the socket housing 12, the free end is pressed tightly and can rebound. Preferably, a plurality of split structures 82 are uniformly arranged on the locking sleeve 8.
In one embodiment, a positioning boss 81 is disposed on a side of the split structure 82 close to the fixing piece, the outer housing 6 is sleeved on the locking sleeve 8, the outer housing 6 is located on a side of the positioning boss 81 away from the fixing piece, a first groove 16 is disposed on the inner side of the socket housing 12, when the plug and the socket are locked, the positioning boss 81 is matched with the first groove 16 to achieve clamping connection, a second groove is disposed on the inner housing 5, and when the plug and the socket are unlocked, the outer housing 6 is pulled to enable the positioning boss 81 to be matched with the second groove to achieve unlocking.
In the above embodiment, the inner housing 5, the outer housing 6 and the locking sleeve 8 of the plug are positioned by the fixing members and form a straight plug structure with the socket housing 12, the positioning boss 81 of the split type on the locking sleeve 8 can be pressed into the second groove corresponding to the inner housing 5 under the action of external force, when the external force is released to rebound to a natural state, therefore, when the plug is inserted into the socket housing 12, the inner diameter of the socket housing 12 presses down the positioning boss 81 until entering the first groove 16 of the socket housing 12, and the positioning boss 81 and the first groove 16 of the socket housing 12 rebound to a natural state without the action of external force to realize locking.
Preferably, the fixing member is a fixing nut 10, the inner side of the fixing nut 10 is in threaded connection with one end of the inner housing 5, and the positioning boss 81 abuts against the fixing nut 10 to achieve positioning.
For convenient insertion and extraction of the connector, the positioning boss 81 is provided with an inclined surface 83, the inclined surface 83 is located on one side of the positioning boss 81 close to the fixing member, and the inclined surface 83 is inclined outwards from the top of the positioning boss 81. The inclined structural design of the positioning boss 81, when being matched with the corresponding second groove of the inner shell 5, achieves unlocking when the outer shell 6 is pulled to the side far away from the socket and the positioning boss 81 is pressed down by the inclined surface 83 of the positioning boss 81, and simultaneously, the outer shell 6 is rebound to the original state under the condition of no stress through the open-type inclined boss structural design of the locking sleeve 8.
In a specific embodiment, one end of the inner housing 5 extends to the outside of the compression ring 3, and the other end of the inner housing 5 extends to the inside of the fixing member.
Preferably, in order to avoid the mixing of the plug and the socket, a positioning pin is arranged between the self-rebound assembly and the socket housing 12. In the present embodiment, the positioning pins are provided between the outer housing 6 and the receptacle housing 12, and the structure and the number of the positioning pins are not limited in the present embodiment.
Preferably, the outer side of the socket housing 12 is further screwed with a clamping nut 15, and the clamping nut 15 can be used for screwing when the plug is inserted into the socket, so as to fix the connection. A sealing ring 14 is arranged between the joint of the clamping nut 15 and the socket shell 12, so that the sealing of the whole structure is realized.
It should be noted that the form of the fixing member and the sealing structure is not limited to the above embodiments, and may be adjusted according to practical situations.
The direct plug connector is mainly used for environments with small operation space, frequent disassembly and sealing requirement, and particularly relates to a plug sealing structure which is convenient for connection and separation operation and has sealing performance.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.