CN112615180A

CN112615180A - Connector socket terminal

Info

Publication number: CN112615180A
Application number: CN202011426469.3A
Authority: CN
Inventors: 王奇; 王彦波; 王荣喜; 赵平堂; 苑静; 刘双伟
Original assignee: Henan THB Electric Co Ltd
Current assignee: Henan THB Electric Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-04-06

Abstract

The invention provides a connector socket terminal which is used for solving the problems of large plugging force and poor plugging durability of a socket terminal in the prior art. The anti-dislocation plug comprises a terminal body, wherein the terminal body comprises a plug part and a crimping part which are arranged in front and at back, an elastic contact body and an anti-dislocation supporting structure are respectively arranged in the plug part, the elastic contact body is matched with a plug terminal, and the anti-dislocation supporting structure is matched with the elastic contact body. The invention utilizes the combination of the spring tongue and the simply supported beam structure, thereby greatly increasing the plugging durability of the terminal, the contact mode of the first convex rib arranged on the spring tongue and the plug terminal is changed into line contact, the friction loss is reduced, and the V-shaped arc structure at the tail part of the spring tongue is matched with the second convex rib, thereby not only reducing the friction consumption of the deformation of the spring plate, but also effectively reducing the insertion force of the terminal; overall structure is simple, easily mould shaping to easily production management and control has increased the plug durability of product when realizing reducing terminal plug power.

Description

Connector socket terminal

Technical Field

The invention relates to the technical field of automobile connectors, in particular to a connector socket terminal.

Background

The automobile connector is used as a key part responsible for signal control and current transmission, and the adaptive terminal is located at the junction of a transmission system. Along with the gradual perfection of automobile functions, automobile wire harnesses are more complex, the number of wires of the connector is more and more, the application range of the multi-wire connector is gradually increased, the binding force of the connector is large, and people pay more attention to the problem. The problems of large plugging force and poor plugging durability of terminals used in the current market generally exist, and the assembly comfort and reliability of the connector are seriously influenced. In view of the above deficiencies in the prior art, a connector receptacle terminal is provided to solve the problems.

Disclosure of Invention

Aiming at the technical problems of large plugging force and poor plugging durability of a socket terminal in the prior art, the invention provides the connector socket terminal which is simple in structure, easy to mold and easy to produce, control and increase the plugging durability of a product while the plugging force of the terminal is reduced.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a connector socket terminal, includes the terminal body, and the terminal body is including the grafting portion and the crimping portion that set up around, the inside of grafting portion is equipped with elastic contact body respectively and prevents the support structure that misplaces, and elastic contact body and plug terminal phase-match, prevents misplacing support structure and elastic contact body phase-match.

The plug-in part is of a box body structure, the box body structure comprises a bottom wall, a first side wall, a second side wall and a simply supported beam structure, and the bottom wall, the first side wall, the second side wall and the simply supported beam structure are integrally formed in a punching mode; elastic contact body sets up with simply supported beam structure relatively, and elastic contact body's front end and diapire integrated into one piece, elastic contact body's rear end and the inside wall elastic contact of diapire.

The simple support beam structure comprises a first simple support beam and a second simple support beam, the first simple support beam is positioned above the second simple support beam, the first simple support beam and the first side wall are integrally formed, and the second simple support beam and the second side wall are integrally formed; the second simply supported beam is matched with the plug terminal.

The middle of the second simply supported beam protrudes downwards and forms a rib, a cavity is formed between the upper surface of the rib and the first simply supported beam, and the lower surface of the rib is matched with the plug terminal.

The elastic contact body comprises an elastic tongue which is of a V-shaped cantilever structure with a downward opening, the front end of the elastic tongue is in arc transition connection with the bottom wall, and the rear end of the elastic tongue is in sliding connection with the inner side wall of the bottom wall; and the elastic tongue is provided with a first convex rib matched with the plug terminal.

The rear end of the spring tongue is bent upwards to form a V-shaped circular arc structure, a second convex rib matched with the V-shaped circular arc structure is arranged on the inner side wall of the bottom wall, and the V-shaped circular arc structure is connected with the second convex rib in a sliding mode.

The anti-over-position support structure comprises a first anti-over-position support and a second anti-over-position support, the first anti-over-position support is matched with the front part of the elastic tongue, the second anti-over-position support is matched with the middle part of the elastic tongue, the first anti-over-position support is arranged in parallel to the bottom wall, and the second anti-over-position support is arranged perpendicular to the bottom wall; the number of the first over-position prevention supports is 2, and the first over-position prevention supports are integrally formed with the first side wall and the second side wall respectively; the second anti-dislocation support and the bottom wall are integrally formed.

And observation holes matched with the first anti-dislocation support and the second anti-dislocation support are respectively formed in the first side wall and the second side wall.

The front ends of the first side wall and the second side wall are both bent inwards to form an arc guide structure matched with the plug terminal; and the first side wall and the second side wall are symmetrically provided with anti-dislocation ribs.

The crimping part is provided with a yielding hole.

According to the invention with the structure, the elastic spring tongue of the terminal body is combined with the simply supported beam structure, so that the plugging durability of the terminal is increased to a greater extent, the first convex rib arranged on the spring tongue changes the contact mode with the plug terminal into line contact, and the friction loss is reduced by reducing the contact area; and the V-shaped arc structure at the tail part of the elastic tongue is matched with the second convex rib, so that the friction consumption of the deformation of the elastic sheet is reduced, and the insertion force of the terminal is effectively reduced. The invention has simple integral structure, ingenious design, easy die forming and production management and control, realizes the reduction of the terminal plugging force and increases the plugging durability of the product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a first cross-sectional view of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a second structural cross-sectional view of the present invention;

fig. 5 is a schematic view of a V-shaped arc structure of the latch tongue of the present invention.

In the figure, 1 is a plug part, 1-1 is a bottom wall, 1-2 is a first side wall, 1-3 is a second side wall, 1-5 is a first simply supported beam, 1-6 is a second simply supported beam, 1-7 is a press rib, 2 is a press part, 3 is a yielding hole, 4 is a spring tongue, 4-1 is a V-shaped circular arc structure, 5 is a first convex rib, 6 is a second convex rib, 7 is a first over-position prevention support, 8 is a second over-position prevention support, 9 is an observation hole, 10 is a circular arc guide structure, and 11 is an error prevention rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 3, in embodiment 1, the present invention provides a connector socket terminal, including a terminal body, where the terminal body includes a plugging portion 1 and a crimping portion 2 arranged in front and back, and the plugging portion 1 and the crimping portion 2 are integrally formed by stamping. The interior of the insertion part 1 is respectively provided with an elastic contact body and an anti-over-position supporting structure, the elastic contact body is matched with the plug terminal, and the anti-over-position supporting structure is matched with the elastic contact body, namely the elastic contact body is used for realizing the electric contact with the plug terminal; prevent that position bearing structure plays supporting role to elastic contact, after plug terminal and grafting portion are to inserting, elastic contact pressurized takes place to warp, prevents that position bearing structure can prevent that elastic contact from taking place excessive deformation and leading to the problem of inefficacy this moment.

The inserting part 1 is of a box structure and comprises a bottom wall 1-1, a first side wall 1-2, a second side wall 1-3 and a simply supported beam structure, the bottom wall 1-1, the first side wall 1-2, the second side wall 1-3 and the simply supported beam structure are integrally formed in a stamping mode, in the embodiment, the simply supported beam structure comprises a first simply supported beam 1-5 and a second simply supported beam 1-6, the first simply supported beam 1-5 and the second simply supported beam 1-6 are arranged in a stacking mode, the first simply supported beam 1-5 is located above the second simply supported beam 1-6, the first simply supported beam 1-5 and the first side wall 1-2 are integrally formed, and the second simply supported beam 1-6 and the second side wall 1-3 are integrally formed. The elastic contact body and the simply supported beam structure are oppositely arranged, the front end of the elastic contact body and the front end of the bottom wall 1-1 are integrally formed, and the rear end of the elastic contact body is in elastic contact with the inner side wall of the bottom wall 1-1. The elastic contact body and the second simply supported beams 1-6 are matched with the plug terminal, namely the upper contact surface and the lower contact surface of the plug terminal are respectively in electric contact with the elastic contact body and the second simply supported beams 1-6.

Further, as shown in fig. 4, the middle of the second simply-supported beam 1-6 protrudes downwards to form a rib 1-7, a cavity is arranged between the upper surface of the rib 1-7 and the first simply-supported beam 1-5, and the lower surface of the rib 1-7 is matched with the plug terminal. When the plug terminal is inserted, the pressing ribs 1-7 deform under pressure, and the cavity between the upper surfaces of the pressing ribs 1-7 and the first simply-supported beams 1-5 can provide a deformation space for the pressing ribs 1-7, so that the overall deformation resistance of the elastic part of the socket terminal in the insertion process of the plug terminal is improved, and the plugging durability of the terminal is also effectively supplemented.

The elastic contact body comprises an elastic tongue 4, the elastic tongue 4 is of a V-shaped cantilever structure with a downward opening, the front end of the elastic tongue 4 is in arc transition connection with the bottom wall 1-1, and the rear end of the elastic tongue 4 is in sliding connection with the inner side wall of the bottom wall 1-1, namely when the plug terminal is inserted, the elastic tongue 4 is pressed downwards under force, the V-shaped opening of the elastic tongue 4 is enlarged, and the rear end of the elastic tongue 4 slides backwards along the inner side wall of the bottom wall 1-1; the inclined plane of V type cantilever structure anterior segment can play certain guide effect when inserting for the plug terminal, and the protruding portion in the middle of the V type cantilever structure can ensure the reliability of the electrical contact between plug terminal and the socket terminal. Furthermore, be equipped with on the bullet tongue 4 with plug terminal assorted first protruding muscle 5, first protruding muscle 5 not only can strengthen the structural strength of bullet tongue 4, more outstanding effect can become the point contact with the contact mode of bullet tongue 4 and plug terminal by line contact, through reducing the lifting force between the terminal. As shown in fig. 5, the rear end of the spring tongue 4 is bent upwards and forms a V-shaped arc structure 4-1, so as to further reduce the resistance of the spring tongue 4 in the forced deformation sliding process, thereby reducing the insertion force of the plug terminal. A second convex rib 6 matched with the V-shaped arc structure 4-1 is arranged on the inner side wall of the bottom wall 1-1, the second convex rib 6 is formed by upward protruding the position of the bottom wall 1-1 opposite to the V-shaped arc structure 4-1, and the V-shaped arc structure 4-1 is connected with the second convex rib 6 in a sliding manner, so that the current surface contact is changed into line contact, and the friction loss is reduced by reducing the contact area; and the width of the second rib 6 is smaller than that of the spring tongue 4, namely, the friction consumption of the deformation of the spring plate is further reduced by reducing the contact area, and finally the insertion force of the terminal is reduced.

As a further preferred scheme, the anti-over-position support structure comprises a first anti-over-position support 7 and a second anti-over-position support 8, the first anti-over-position support 7 is matched with the front part of the elastic tongue 4, the second anti-over-position support 8 is matched with the middle part of the elastic tongue 4, namely the first anti-over-position support 7 is used for supporting the front part of the elastic tongue 4, and the second anti-over-position support 8 is used for the middle part of the elastic tongue 4, so that the elastic tongue 4 is prevented from being excessively deformed and failing when the plug terminal is inserted. The first anti-over-position support 7 is arranged parallel to the bottom wall 1-1, and the second anti-over-position support 8 is arranged perpendicular to the bottom wall 1-1. The number of the first over-position prevention supports 7 is 2, the first over-position prevention supports are respectively integrally formed with the first side wall 1-2 and the second side wall 1-3, and the second over-position prevention supports 8 are integrally formed with the bottom wall 1-1. Specifically, the first over-position prevention support 7 is a first over-position prevention support structure formed by arranging an observation hole on the first side wall 1-2 or the second side wall 1-3, bending the side wall corresponding to the observation hole towards the inside of the box structure and parallel to the bottom wall, and matching the observation hole with the first over-position prevention support 7. The second over-position preventing support 8 is a second over-position preventing support structure formed by forming a hole on the bottom wall 1-1, bending the side wall corresponding to the hole inwards and being vertical to the bottom wall. Through setting up the dual mistake supporting structure of preventing, can effectively prevent to appear excessively warping when the bullet tongue atress pushes down and lead to the problem of inefficacy. The first side wall 1-2 and the second side wall 1-3 are also provided with observation holes matched with the second over-position prevention supports 8, and the states of the spring tongues of the terminals can be visually observed by arranging the observation holes, so that the production monitoring is effectively carried out in the production process, 100% of on-line detection can be carried out on products in the production process, and the flow of defective products is restrained from the production source.

The front ends of the first side wall 1-2 and the second side wall 1-3 are symmetrical and are bent inwards to form an arc guide structure 10 matched with the plug terminal, the inner side arc of the arc guide structure 10 can be used as the guide of the plug terminal in the inserting process, and the outer side arc can be used as the guide when being matched with a protective sleeve, so that the assembly property of the terminal is improved. The first side wall 1-2 and the second side wall 1-3 are symmetrically provided with error-proof ribs 11, the error-proof ribs 11 are U-shaped structures formed by protruding a certain part of the first side wall 1-2 or the second side wall 1-3, and the error-proof ribs 11 can be specifically arranged at the rear part of the box body structure to meet the requirements of polarization characteristics (error proofing) of products.

Embodiment 2, a connector socket terminal, the crimping part 2 is used for crimping a conductor, and the crimping part 2 is integrally press-formed with the mating part 1. Furthermore, the crimping part 2 is provided with the abdicating hole 3, which provides abdicating space for the deformation of the sealing plug after the terminal crimping sealing plug, improves the crimping reliability, and avoids the crimping defect caused by the sealing plug having no material leakage in the crimping process.

The other structure is the same as embodiment 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a connector socket terminal, includes the terminal body, and the terminal body is including grafting portion (1) and crimping portion (2) that set up around, its characterized in that: the interior of grafting portion (1) is equipped with elastic contact respectively and prevents excessive bearing structure, and elastic contact and plug terminal phase-match, prevents excessive bearing structure and elastic contact phase-match.

2. The connector receptacle terminal of claim 1, wherein: the plug-in part (1) is of a box structure, the box structure comprises a bottom wall (1-1), a first side wall (1-2), a second side wall (1-3) and a simply supported beam structure, and the bottom wall (1-1), the first side wall (1-2), the second side wall (1-3) and the simply supported beam structure are integrally formed in a punch forming mode; the elastic contact body is arranged opposite to the simply supported beam structure, the front end of the elastic contact body is integrally formed with the bottom wall (1-1), and the rear end of the elastic contact body is in elastic contact with the inner side wall of the bottom wall (1-1).

3. The connector receptacle terminal of claim 2, wherein: the simple support beam structure comprises a first simple support beam (1-5) and a second simple support beam (1-6), wherein the first simple support beam (1-5) is positioned above the second simple support beam (1-6), the first simple support beam (1-5) and the first side wall (1-2) are integrally formed, and the second simple support beam (1-6) and the second side wall (1-3) are integrally formed; the second simply supported beams (1-6) are matched with the plug terminals.

4. The connector receptacle terminal of claim 3, wherein: the middle of the second simply-supported beam (1-6) protrudes downwards to form a rib (1-7), a cavity is formed between the upper surface of the rib (1-7) and the first simply-supported beam (1-5), and the lower surface of the rib (1-7) is matched with the plug terminal.

5. The connector receptacle terminal according to claim 2 or 4, wherein: the elastic contact body comprises an elastic tongue (4), the elastic tongue (4) is of a V-shaped cantilever structure with a downward opening, the front end of the elastic tongue (4) is in arc transition connection with the bottom wall (1-1), and the rear end of the elastic tongue is in sliding connection with the inner side wall of the bottom wall (1-1); and a first convex rib (5) matched with the plug terminal is arranged on the spring tongue (4).

6. The connector receptacle terminal of claim 5, wherein: the rear end of the spring tongue (4) is bent upwards to form a V-shaped arc structure (4-1), a second convex rib (6) matched with the V-shaped arc structure (4-1) is arranged on the inner side wall of the bottom wall (1-1), and the V-shaped arc structure (4-1) is connected with the second convex rib (6) in a sliding mode.

7. The connector receptacle terminal of claim 6, wherein: the anti-over-position supporting structure comprises a first anti-over-position support (7) and a second anti-over-position support (8), the first anti-over-position support (7) is matched with the front part of the elastic tongue (4), the second anti-over-position support (8) is matched with the middle part of the elastic tongue (4), the first anti-over-position support (7) is arranged in parallel to the bottom wall (1-1), and the second anti-over-position support (8) is arranged in a mode of being perpendicular to the bottom wall (1-1); the number of the first over-position prevention supports (7) is 2, and the first over-position prevention supports are respectively integrally formed with the first side wall (1-2) and the second side wall (1-3); the second over-position prevention support (8) and the bottom wall (1-1) are integrally formed.

8. The connector receptacle terminal of claim 7, wherein: and the first side wall (1-2) and the second side wall (1-3) are respectively provided with an observation hole (9) which is matched with the first over-position prevention support (7) and the second over-position prevention support (8).

9. The connector receptacle terminal according to claim 2, 6 or 8, wherein: the front ends of the first side wall (1-2) and the second side wall (1-3) are both bent inwards to form an arc guide structure (10) matched with the plug terminal; and the first side wall (1-2) and the second side wall (1-3) are symmetrically provided with anti-dislocation ribs (11).

10. The connector receptacle terminal of claim 9, wherein: the crimping part (2) is provided with a yielding hole (3).