CN210326257U

CN210326257U - Retaining connector with low insertion force and high retention force

Info

Publication number: CN210326257U
Application number: CN201921739689.4U
Authority: CN
Inventors: 董坤
Original assignee: DONGGUAN SIWEB CONNECTORS CO LTD
Current assignee: Dongguan Sisuo Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-04-14
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a non-return connector with low insertion force and high retention force, which comprises a rubber seat and a wiring terminal, wherein the bottom surface of a terminal hole of the rubber seat is provided with a clamping hole, and a clamping piece is arranged behind the clamping hole; the anti-return convex part is arranged on one side, corresponding to the terminal hole, of the wiring terminal and provided with the clamping hole, the anti-return convex part is of a solid structure, the bottom of the anti-return convex part is integrally connected with the main body part of the wiring terminal into a whole, a slope-shaped inclined plane is arranged in front of the anti-return convex part, a steep stopping surface is arranged behind the anti-return convex part, and the front end of the clamping piece is clamped by the stopping surface after the wiring terminal is inserted into the terminal hole. The appearance of the terminal retaining convex part is designed into a slope slow descending structure, so that the requirement of low insertion force of the terminal is convenient to realize; the backstop convex part is designed to be directly protruded from the terminal, so that the backstop convex part not only meets the height requirement, but also can ensure that the bottom of the convex part and the terminal body are not broken; in addition, the retaining area of the terminal retaining convex part is enlarged to realize surface retaining, so that the terminal retaining force is effectively enhanced.

Description

Retaining connector with low insertion force and high retention force

Technical Field

The utility model relates to an electric connection technical field, concretely relates to a connector that is arranged in electronic equipment to realize the electricity to be connected.

Background

Many electronic devices are electrically connected to each other by inserting a rubber casing with conductive contact pins into the device, so as to achieve the function of power-on or signal transmission. In the electronic industry, particularly in more sophisticated electronic devices, connector products are required to be smaller in size to save assembly space. However, the undersize results in some defects in the structure of the connector, such as unstable connection, difficult assembly, unstable fixation of the conductive terminals, etc., which may cause problems of easy shaking of the product, easy deformation and loosening of the conductive terminals during assembly. Therefore, a retaining structure is generally designed between a connecting terminal and a rubber base of a connector, but the retaining structure of the existing similar product is generally realized by stamping at least one inclined retaining sheet from the connecting terminal, the retaining sheet cannot meet the requirement of high release force, and when a large external force is applied, the retaining sheet is pulled over or pulled off, and the retaining function is lost. Even though the stop piece is additionally provided with the reinforcing rib, firstly, the actual forming process is complex, and secondly, the requirement of low insertion force is also limited, namely, the wiring terminal is not easy to be installed in the terminal hole due to the support of the reinforcing rib.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to the defect that prior art exists, provide a simple structure, design more reasonable, assembly convenient operation, combine firm, the difficult inefficacy of backstop structure, the high stopping connector who has low insertion force, high holding power of reliability.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a stopping connector with low insertion force, high retention, has the terminal hole including gluing seat and binding post in gluing the seat, and binding post inserts to fix and realizes combining its characterized in that with gluing the seat in the terminal hole: the bottom surface of the terminal hole of the rubber base is provided with a clamping hole, and a clamping sheet is arranged behind the clamping hole; the anti-return convex part is arranged on one side, corresponding to the terminal hole, of the wiring terminal and provided with the clamping hole, the anti-return convex part is of a solid structure, the bottom of the anti-return convex part is integrally connected with the main body part of the wiring terminal into a whole, a slope-shaped inclined plane is arranged in front of the anti-return convex part, a steep stopping surface is arranged behind the anti-return convex part, and the front end of the clamping piece is clamped by the stopping surface after the wiring terminal is inserted into the terminal hole, so that the wiring terminal and the rubber base form a.

Furthermore, the screens piece is the structure that anterior segment is thick, the back end is thin, and the position relative with screens piece back end in the terminal hole is sunken towards the screens piece and is formed one and be convenient for hold the spacing groove that keeps away that the stopping convex part passes through, makes like this that the stopping convex part can not block when binding post inserts, consequently assembles more easily convenient, and screens piece anterior segment thick portion forms the card that is used for supporting the stopping convex part protruding. Although the anterior segment of screens piece is thicker, because the back end is thinner, therefore the anterior segment has better elasticity, and the stopping convex part of being convenient for crosses the protruding chucking realization of card.

Furthermore, the front section of the wiring terminal is enclosed into a hole for inserting a PIN through the curled side wall and the wrapping edge, the backstop convex part is arranged at the tail end of the wrapping edge, and the width of the slope-shaped inclined plane of the backstop convex part is basically equal to half of the width of the wrapping edge, so that a surface backstop structure can be realized, and a better backstop effect is achieved; the retaining convex part, the edge covering and the side wall are of an integral structure, so that the structure has higher structural strength, and the problem of breaking or overturning is solved.

Furthermore, the two covered edges comprise a left covered edge and a right covered edge, the two covered edges are oppositely arranged, a gap used for forming the insertion elasticity of the wiring terminal is reserved in the middle of the two covered edges, and the two anti-return convex parts are respectively arranged at the tail ends of the two covered edges and symmetrically arranged along the gap and have the same structure and size.

Preferably, the back end stop surface of the retaining protrusion is a vertical surface, and the front end surface of the position clamping sheet is an inclined surface, and the position close to the inner side of the inclined surface protrudes forwards to abut against the stop surface of the retaining protrusion.

The appearance of the terminal retaining convex part is designed into a slope slow descending structure, so that the requirement of low insertion force of the terminal is convenient to realize; the anti-return convex part is designed into a structure which is directly protruded from the terminal, and the design of the traditional punch forming is changed, so that the anti-return convex part not only meets the height requirement, but also can ensure that the bottom of the convex part and the terminal body are not broken, and the strength of the convex part is improved; in addition, the retaining area of the terminal retaining convex part is enlarged, and the point or line retaining is optimized into surface retaining, so that the terminal retaining force is effectively enhanced.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a sectional view of the present invention in a combined state;

fig. 3 is a perspective view of the connection terminal;

fig. 4 is a side view of the terminal block;

fig. 5 is a partially enlarged view of fig. 3.

In the figure, 1 is a rubber base, 11 is a terminal hole, 12 is a clamping sheet, 13 is a clamping projection, 14 is a clamping hole, 15 is a clearance groove, 2 is a wiring terminal, 21 is a side wall, 22 is a covering edge, and 23 is a stopping projection.

Detailed Description

In this embodiment, referring to fig. 1 to 5, the anti-backup connector with low insertion force and high retention force includes a rubber base 1 and a terminal block 2, a terminal hole 11 is formed in the rubber base 1, and the terminal block 2 is inserted and fixed in the terminal hole 11 to be combined with the rubber base 1; a clamping hole 14 (for accommodating the backstop convex part 23) is arranged at the bottom surface of the terminal hole 11 of the rubber base 1, and a clamping piece 12 is arranged behind the clamping hole 14; the anti-return convex part 23 is arranged on one side, corresponding to the terminal hole 11, of the wiring terminal 2, the clamping hole 14 is formed in one side, the anti-return convex part 23 is of a solid structure, the bottom of the anti-return convex part is integrally connected with the main body part of the wiring terminal 2 into a whole, a slope-shaped inclined plane is arranged in front of the anti-return convex part 23, a steep stop surface is arranged behind the anti-return convex part, and after the wiring terminal 2 is inserted into the terminal hole 11, the front end of the clamping piece 12 is clamped by the stop surface, so that the wiring terminal 2 and the rubber base.

The clamping piece 12 is of a structure with a thick front section and a thin rear section, a position opposite to the rear section of the clamping piece 12 in the terminal hole 11 is recessed towards the clamping piece 12 to form a spacing groove 15 convenient for accommodating the retaining convex part 23, so that the retaining convex part 23 cannot be clamped to cause interference when the wiring terminal 2 is inserted, the assembly is easier and more convenient, and the thick front section of the clamping piece 12 forms a clamping convex part 13 used for abutting against the retaining convex part. Although the front section of the clamping sheet 12 is thicker, the rear section is thinner, so that the front section has better elasticity, and the retaining convex part 23 can conveniently cross the clamping convex part 13 to realize clamping.

The front section of the wiring terminal 2 is enclosed into a hole for inserting a PIN through a curled side wall 21 and an edge covering 22, a backstop convex part 23 is arranged at the tail end of the edge covering 22, and the width of a slope-shaped inclined plane of the backstop convex part 23 is basically equal to half of the width of the edge covering 22, so that a surface backstop structure can be realized, and a better backstop effect is achieved; the retaining protrusion 23, the covering 22 and the side wall 21 are integrally formed, so that the structural strength is higher, and the problem of breakage or turnover does not exist.

The two binding edges 22 comprise a left binding edge and a right binding edge, the two binding edges 22 are arranged oppositely, a gap for forming the splicing elasticity of the wiring terminal is reserved in the middle, the tail ends of the two binding edges 22 are respectively provided with a backstop convex part 23, and the two backstop convex parts 23 are symmetrically arranged along the gap and have the same structure and size.

The back end stop surface of the retaining protrusion 23 is a vertical surface, and the front end surface of the position-locking piece 12 is an inclined surface, and the position close to the inner side of the inclined surface is protruded forward to abut against the stop surface of the retaining protrusion 23.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a stopping connector with low insertion force, high retention, has the terminal hole including gluing seat and binding post in gluing the seat, and binding post inserts to fix and realizes combining its characterized in that with gluing the seat in the terminal hole: the bottom surface of the terminal hole of the rubber base is provided with a clamping hole, and a clamping sheet is arranged behind the clamping hole; the anti-return convex part is arranged on one side, corresponding to the terminal hole, of the wiring terminal and provided with the clamping hole, the anti-return convex part is of a solid structure, the bottom of the anti-return convex part is integrally connected with the main body part of the wiring terminal into a whole, a slope-shaped inclined plane is arranged in front of the anti-return convex part, a steep stopping surface is arranged behind the anti-return convex part, and the front end of the clamping piece is clamped by the stopping surface after the wiring terminal is inserted into the terminal hole, so that the wiring terminal and the rubber base form a.

2. The low insertion force, high retention force, backstop connector according to claim 1 wherein: the clamping piece is of a structure with a thick front section and a thin rear section, the position in the terminal hole, which is opposite to the rear section of the clamping piece, is sunken towards the clamping piece to form a clearance groove convenient for accommodating the retaining convex part to pass through, and the front section thick part of the clamping piece forms a clamping convex part used for abutting against the retaining convex part.

3. The low insertion force, high retention force, backstop connector according to claim 1 wherein: the front section of the wiring terminal is enclosed into a hole for inserting a PIN through the curled side wall and the wrapping edge, the backstop convex part is arranged at the tail end of the wrapping edge, and the width of a slope-shaped inclined plane of the backstop convex part is basically equal to half of the width of the wrapping edge; the retaining convex part, the edge covering and the side wall are of an integral structure.

4. The low insertion force, high retention force, backstop connector according to claim 3 wherein: the wrapping edges comprise a left wrapping edge and a right wrapping edge, the two wrapping edges are oppositely arranged, a gap used for forming the splicing elasticity of the wiring terminal is reserved in the middle, and the tail ends of the two wrapping edges are respectively provided with a backstop convex part which is symmetrically arranged along the gap and has the same structure and size.

5. The low insertion force, high retention force, backstop connector according to claim 1 wherein: the back end stop surface of the retaining convex part is a vertical surface, the front end surface of the clamping sheet is an inclined surface, and the position close to the inner side of the inclined surface is protruded forwards to abut against the stop surface of the retaining convex part.