CN210123806U

CN210123806U - Electrical connector and connector assembly using the same

Info

Publication number: CN210123806U
Application number: CN201921404189.5U
Authority: CN
Inventors: 陈锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-03-03
Anticipated expiration: 2029-08-27

Abstract

The present invention relates to an electrical connector and a connector assembly using such an electrical connector. The utility model discloses an during the use of electrical connector, with the cable cartridge in the plug wire hole of contact, then screw up the locking cap on the connector casing, the locking cap moves along, the top pressure face on the locking cap makes its shrink with the face of compression extrusion cooperation on the extrusion cover, thereby exert the extrusion force to electrically conductive claw, make electrically conductive claw press from both sides tight cable, realize the electrically conductive connection of contact and cable, when dismantling, not hard up locking cap in the opposite direction, make the extrusion force eliminate, just can extract the cable from the plug wire hole, electrically conductive on the electrically conductive claw touches the reliability that indicates to have guaranteed electrically conductive connection between electrically conductive claw and the cable. The electrical connector is convenient to disassemble and is suitable for electrical tests needing frequent disassembly and assembly.

Description

Electrical connector and connector assembly using the same

Technical Field

The present invention relates to an electrical connector and a connector assembly using such an electrical connector.

Background

The electrical connector is mainly used for conducting connection between a circuit and each electrical equipment, in the test of the electrical equipment, the situation that the cables need to be temporarily connected is often met, at the moment, the joints of the two cables are generally directly screwed together, and the safety is very poor although the electrical connector is convenient. The electrical connector in the prior art is generally permanent, for example, chinese patent publication No. CN105958249B discloses an electrical connector, which includes an electrical connector housing with an axis extending in a front-back direction, and an insulator inserted in the electrical connector housing, wherein an intermediate sleeve is inserted or sleeved at a rear end of the electrical connector housing and fixed by a connecting structure, an insertion hole for inserting the insulator forward along the rear end of the electrical connector housing is formed at the rear end of the electrical connector housing, a first stopping structure is arranged at a position of the insulator close to a front end, and a second stopping structure which cooperates with a front end surface of the first stopping structure of the insulator to form a stopping and matching structure for stopping forward is arranged in an inner cavity of the electrical connector housing; the pushing structure of the middle sleeve can be in pushing fit with the rear end face of the matching structure of the insulator after the middle sleeve and the electric connector shell are inserted or sleeved in place, and the insulator is clamped in the electric connector shell through the second stopping structure. The contact piece is installed on the insulator, and the rear end of contact piece is equipped with the line ball hole, and the cable is installed in the line ball hole and passes through line ball screw fixed. The mounted position of the cable after the assembly is restricted in the electric connector shell, the disassembly is very inconvenient, and the cable is not suitable for test occasions which often need to be disassembled and assembled.

Therefore, an electrical connector that is easy to assemble and disassemble is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrical connector, which solves the problem that the electrical connector is inconvenient to assemble and disassemble; and simultaneously, the utility model discloses still provide a connector assembly who uses this kind of electrical connector.

The utility model discloses an electrical connector adopts following technical scheme:

the electric connector comprises a connector shell and an insulator, wherein the axis of the connector shell extends along the front-back direction, the insulator is arranged in the connector shell, a contact element is installed on an insulator component, a plug-in structure which is used for being in plug-in fit with an adaptive connector is arranged at the front end of the contact element, a plug-in hole for plugging a cable is arranged at the rear end of the contact element, a plurality of elastic conductive claws for clamping the cable are arranged on the periphery of the plug-in hole, conductive contact fingers are arranged on the conductive claws, the insulator component comprises an extrusion sleeve sleeved on the conductive claws, the extrusion sleeve is of an elastic split structure, compression surfaces are arranged on the periphery of the extrusion sleeve, a locking cap is assembled on the connector shell in a threaded mode, and the locking cap is provided with a jacking surface which is used for being in press fit with the compression surfaces so.

The periphery of the contact piece at the wire inserting hole is of an outer conical surface structure with a large front part and a small back part, and the outer conical surface structure forms a compression surface on the conductive claw.

The inner wall of the locking cap is provided with a ring platform extending towards the interior of the locking cap, the inner side of the ring platform is provided with an inner conical surface which is big in front and small in back, and the inner conical surface forms the top pressing surface.

The front end of the extrusion sleeve is provided with a stop table extending towards the interior of the extrusion sleeve, and the periphery of the contact element is provided with a positioning step in stop fit with the stop table.

The insulator assembly further comprises an installation sleeve, a stop table is arranged on the inner wall of the connector shell, the front end of the installation sleeve is in stop fit with the stop table, and the rear end of the installation sleeve is in stop fit with the front end of the extrusion sleeve.

The inserting structure is a jack.

The inserting structure is a pin which is inserted and matched with the jack.

The utility model discloses a connector assembly adopts following technical scheme:

a connector assembly comprising a plug and a socket, the plug being an electrical connector as described in any preceding claim, the socket being an electrical connector as described in any preceding claim, the mating formations on the contacts of the plug being pins and the mating formations on the contacts of the socket being sockets.

The utility model has the advantages that: the utility model discloses an during the use of electrical connector, with the cable cartridge in the plug wire hole of contact, then screw up the locking cap on the connector casing, the locking cap moves along, the top pressure face on the locking cap makes its shrink with the face of compression extrusion cooperation on the extrusion cover, thereby exert the extrusion force to electrically conductive claw, make electrically conductive claw press from both sides tight cable, realize the electrically conductive connection of contact and cable, when dismantling, not hard up locking cap in the opposite direction, make the extrusion force eliminate, just can extract the cable from the plug wire hole, electrically conductive on the electrically conductive claw touches the reliability that indicates to have guaranteed electrically conductive connection between electrically conductive claw and the cable. The electrical connector is convenient to disassemble and is suitable for electrical tests needing frequent disassembly and assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Figure 1 is a schematic view of an electrical connector in an embodiment of a connector assembly of the present invention;

FIG. 2 is a schematic view of the extrusion sleeve of FIG. 1;

FIG. 3 is a schematic structural view of the locking cap of FIG. 1;

FIG. 4 is a front view of FIG. 3;

FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;

in the figure: 1. a connector housing; 2. a connecting nut; 3. a locking cap; 4. extruding a sleeve; 5. a contact member; 6. installing a sleeve; 11. an insulator stop; 41. a pressed surface; 51. a conductive claw; 52. a conductive contact finger; 53. a jack; 42. splitting a groove; 31. and (6) pressing the surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An embodiment of the connector assembly of the present invention, as shown in fig. 1 to 5, the connector assembly comprises a plug and a socket, the plug and the socket are electrical connectors, in this embodiment, the plug is taken as an example for illustration, the plug is an electrical connector, comprising a connector housing 1 with an axis extending along a front-back direction and an insulator arranged in the connector housing 1, a contact 5 is mounted on the insulator assembly, a plugging structure for plugging and matching with an adapter connector is arranged at a front end of the contact 5, a plug hole for plugging a cable is arranged at a rear end of the contact 5, a plurality of elastic conductive claws 51 for clamping the cable are arranged on the periphery of the plug hole, conductive fingers 52 are arranged on the conductive claws 51, the insulator assembly comprises an extrusion sleeve 4 sleeved on the conductive claws 51, the extrusion sleeve 4 is an elastic split structure and is provided with a compression surface 41 on the periphery thereof, a locking cap 3 is screwed on the connector housing 1, the locking cap 3 has a pressing surface 31 for press-fitting with the pressure receiving surface 41 to cause the pressing sleeve 4 to apply a pressing force to the conductive claw 51. In this embodiment, the extrusion sheath is made of elastic insulating material and has a split slot 42 extending through the inner and outer walls thereof, so that the extrusion sheath forms an elastic split structure.

In this embodiment, the outer circumference of the contact 5 at the wire insertion hole has an outer tapered surface structure with a large front and a small rear, and the outer tapered surface structure forms the pressure receiving surface 41 on the conductive claw 51. Meanwhile, the inner wall of the locking cap 3 is provided with a ring platform extending towards the inside, the inner side of the ring platform is provided with an inner conical surface with a large front part and a small back part, and the inner conical surface forms a top pressing surface 31. The extrusion shrinkage function is realized through the cooperation of the inner conical surface and the outer conical surface, so that the extrusion sleeve 4 can be uniformly stressed, uniform extrusion force is applied to the conductive claws inside the extrusion sleeve 4, the contact area between the conductive claws and a cable is ensured, and the connection reliability is improved.

In this embodiment, the front end of the pressing sleeve 4 is provided with a stop extending toward the inside thereof, and the outer periphery of the contact member 5 is provided with a positioning step which is in stop fit with the stop. Therefore, the contact element 5 is positioned and inserted in the extrusion sleeve 4 through the positioning step, so that the positioning is realized, a positioning structure is not required to be additionally arranged, the structure is simple, and the structural stability is better.

Specifically, the insulator assembly further comprises a mounting sleeve 6, an insulator stop 11 is arranged on the inner wall of the connector housing 1, the front end of the mounting sleeve 6 is in stop fit with the stop, and the rear end of the mounting sleeve 6 is in stop fit with the front end of the extrusion sleeve 4. The mounting sleeve 6 is mainly used for enabling the insulator to be of a split structure, so that although the number of parts is increased, the extrusion sleeve can be independently made of elastic insulating materials, the mounting sleeve 6 is made of common insulator materials, the volume of the elastic insulator is reduced, and cost is reduced.

The mating structure is a receptacle 53 for mating with a corresponding pin. The concrete structure of socket is no longer repeated in this embodiment, and its cable mounting structure is the same with the cable mounting structure in this embodiment, and the difference is only set up in the connection structure of connecting nut 2 adaptation on the casing, sets up the grafting structure into the contact pin simultaneously. The front end of the connector shell 1 is rotatably assembled with a connecting nut 2 for connecting and matching with a corresponding socket, and the specific structure can adopt the thread matching in the prior art and also can adopt the matching of a staple three-curved groove. Because the utility model discloses an electrical connector mainly to with experimental test environment in, generally no longer use in the outdoor environment, consequently need not to set up seal structure, like this can also reduce cost. The mounting sleeve, the pressing sleeve and the contact piece 5 are fixed in the connector housing 1 directly by gluing, which is most convenient.

The utility model discloses an during the use of electrical connector, with the cable cartridge in the plug wire hole of contact, then screw up the locking cap on the connector casing, the locking cap moves along, the top pressure face on the locking cap makes its shrink with the face of compression extrusion cooperation on the extrusion cover, thereby exert the extrusion force to electrically conductive claw, make electrically conductive claw press from both sides tight cable, realize the electrically conductive connection of contact and cable, during the dismantlement, locking cap that becomes flexible in the opposite direction, make the extrusion force eliminate, just can extract the cable from the plug wire hole, electrically conductive on the electrically conductive claw touches and indicates 52 the reliability of having guaranteed electrically conductive connection between electrically conductive claw and the cable. The electrical connector is convenient to disassemble and is suitable for electrical tests needing frequent disassembly and assembly.

In other embodiments of the present invention, the pressed surface can be set to be an arc surface structure; the top pressure surface can also be arranged into a convex arc boss structure; the insulator assembly can also be arranged into an integral structure, so that the whole body of the insulator assembly is required to be arranged into elastic insulating materials; the jack can be set as a contact pin, and the plug structure on the plug is set as the jack at the moment.

The embodiment of the electrical connector of the utility model, the structure of the electrical connector in the embodiment of the electrical connector and the above-mentioned connector assembly is the same, and is not repeated.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The electric connector comprises a connector shell with an axis extending along the front-back direction and an insulator arranged in the connector shell, wherein a contact is mounted on the insulator component, and the front end of the contact is provided with an inserting structure used for being inserted and matched with an adaptive connector, and the electric connector is characterized in that: the rear end of contact is equipped with the plug wire hole that is used for the cartridge cable, be equipped with a plurality of elastic electrically conductive claws that are used for pressing from both sides tight cable on the plug wire hole periphery, electrically conductive claw is last to be equipped with electrically conductive touching and indicates, the insulator subassembly includes the suit and is in electrically conductive claw is last to extrude the cover, it is equipped with the pressure face on the periphery that the cover is elasticity split structure and its, threaded assembly has the locking cap on the connector housing, the locking cap have be used for with the pressure face extrusion fit so that the extrusion cover to electrically conductive claw applys the roof pressure face of extrusion force.

2. The electrical connector of claim 1, wherein: the periphery of the contact piece at the wire inserting hole is of an outer conical surface structure with a large front part and a small back part, and the outer conical surface structure forms a compression surface on the conductive claw.

3. The electrical connector of claim 2, wherein: the inner wall of the locking cap is provided with a ring platform extending towards the interior of the locking cap, the inner side of the ring platform is provided with an inner conical surface which is big in front and small in back, and the inner conical surface forms the top pressing surface.

4. An electrical connector according to any one of claims 1 to 3, wherein: the front end of the extrusion sleeve is provided with a stop table extending towards the interior of the extrusion sleeve, and the periphery of the contact element is provided with a positioning step in stop fit with the stop table.

5. The electrical connector of any of claims 1-3, wherein: the insulator assembly further comprises an installation sleeve, a stop table is arranged on the inner wall of the connector shell, the front end of the installation sleeve is in stop fit with the stop table, and the rear end of the installation sleeve is in stop fit with the front end of the extrusion sleeve.

6. The electrical connector of any of claims 1-3, wherein: the inserting structure is a jack.

7. The electrical connector of claim 6, wherein: the inserting structure is a pin which is inserted and matched with the jack.

8. Connector assembly, including plug and socket, its characterized in that: the plug is an electrical connector according to any one of claims 1 to 5, the socket is an electrical connector according to any one of claims 1 to 5, the mating structures on the contacts of the plug are pins, and the mating structures on the contacts of the socket are sockets.