CN219226786U

CN219226786U - Female end connector

Info

Publication number: CN219226786U
Application number: CN202223613503.5U
Authority: CN
Inventors: 林云山
Original assignee: ZHEJIANG SHENGHUI TECHNOLOGY CO LTD
Current assignee: ZHEJIANG SHENGHUI TECHNOLOGY CO LTD
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-20
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a female end connector, which belongs to the field of structural design of electric connectors, and comprises a base and female terminals, wherein the rear end of a terminal jack on the base is provided with a rear port for inserting each female terminal, and the front end of the terminal jack is provided with a socket for inserting a male terminal; the female terminal is provided with a plug-in part, a positioning part and a wiring part; the plug-in part comprises two elastic clamping pieces which are oppositely arranged left and right, the distance between the two elastic clamping pieces is gradually reduced in the direction from back to front, the minimum distance between the two elastic clamping pieces forms a clamping part for clamping the plug-in male terminal, the front ends of the elastic clamping pieces are outwards bent to form bent hook-shaped supporting leg parts, and the supporting leg parts are propped against the corresponding side walls of the terminal jack. The female end connector is reasonable in structural design, after the female end connector and the male end connector are inserted, the plug-in part of the female terminal can be better connected with the male terminal on the male end connector, the electric connection performance is more stable, and the connector has good practicability.

Description

Female end connector

Technical Field

The present utility model relates to an electrical connector, and more particularly to a female connector.

Background

When the female end connector and the male end connector form plug-in fit, the female terminal and the male terminal are electrically connected for current or signal transmission. Patent document CN217788835U discloses a female terminal and a female terminal connector using the same, the female terminal includes a crimping section, a transition section and a joint section, the transition section is located between the crimping section and the joint section, the joint section includes two opposite clamping pieces and two opposite guiding pieces, the clamping pieces are connected with the guiding pieces, the distance between the inner walls of the two clamping pieces is gradually reduced in a direction away from the transition section, the distance between the inner walls of the two guiding pieces is gradually increased in a direction away from the guiding pieces, and when in use, the clamping pieces of the joint section clamp the male terminal on the male terminal seat, thereby the conductive or signal transmission effect of the female terminal is achieved. The problem in the structure in the above patent document in actual use is that the structure of the clamping piece is thin, the clamping force which can be generated is relatively small, and the clamping force of the clamping piece can be further weakened after the clamping piece is used for multiple times of plugging and unplugging, so that the reliability of the electrical connection is difficult to continue to be ensured.

Disclosure of Invention

In view of the shortcomings noted in the background art, the present utility model is directed to a female connector that is capable of effectively improving electrical connection performance.

The technical scheme for realizing the aim of the utility model is as follows:

the female end connector comprises a base provided with terminal jacks and female terminals correspondingly inserted into the terminal jacks, wherein rear ports for inserting the female terminals are formed in the rear ends of the terminal jacks, and sockets for inserting the male terminals are formed in the front ends of the terminal jacks; the female terminal is provided with a plug-in part, a positioning part and a wiring part from front to back; the plug-in part comprises two elastic clamping pieces which are oppositely arranged left and right, the rear ends of the elastic clamping pieces are connected with the positioning part into a whole, the distance between the two elastic clamping pieces is gradually reduced in the backward and forward direction, the minimum distance between the two elastic clamping pieces forms a clamping part for clamping the plug-in male terminal, the front ends of the elastic clamping pieces are outwards bent to form bent hook-shaped supporting leg parts, and the supporting leg parts are propped against the corresponding side walls of the terminal jack.

In a further technical scheme of the utility model, the plug-in part further comprises an inserting sheet positioned below the elastic clamping sheet, the rear end of the inserting sheet is connected with the positioning part, a gap is reserved between the bottom edge of the elastic clamping sheet and the inserting sheet, teeth are arranged on two side edges of the inserting sheet, the teeth are of a backward triangular inverted tooth structure, and the teeth are clamped with two side walls of the terminal jack.

In a further technical scheme of the utility model, a wire blocking table formed by upward punching is arranged at the bottom of the positioning part.

In a further technical scheme of the utility model, through holes are formed in positions, corresponding to the positioning parts, of the upper parts of the terminal jacks on the base, protruding parts extending into the through holes are formed in the upper ends of the positioning parts, elastic clamping tables are arranged on the rear parts of the through holes on the base, and the front ends of the elastic clamping tables are abutted to the rear parts of the protruding parts.

In a further technical scheme of the utility model, the wiring part is provided with a U-shaped receiving part and pressing sheets connected to two sides of the receiving part, and protruding points are arranged on the inner bottom wall of the receiving part at intervals along the length direction of the female terminal.

The utility model has the positive effects that: the female end electric connection structure is reasonable in design, after the female end connector is in butt joint with the male end connector, the opposite male terminal is inserted into the clamping opening and clamped by the corresponding parts of the two elastic clamping pieces, the front ends of the two elastic clamping pieces are outwards bent to form bent hook-shaped supporting leg parts, the supporting leg parts are propped against the corresponding side walls of the terminal jack, and the supporting leg parts play a powerful supporting role, so that the clamping force of the elastic clamping pieces is effectively enhanced, and effective electric connection between the female terminal and the opposite male terminal can be ensured, so that the electric connection performance is more stable and reliable, and the electric connection structure has a good use effect. .

Drawings

These and/or other aspects, features and advantages of the present disclosure will become more apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a perspective view of a female connector according to the present utility model;

FIG. 2 is a schematic perspective view of the female connector of FIG. 1 from another perspective;

FIG. 3 is a front view of the female connector of FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a front view of a female terminal of the present utility model;

fig. 6 is a schematic perspective view of the female terminal shown in fig. 5.

The reference numerals shown in the figures are: 1-a base; 10-terminal insertion holes; 11-rear port; 12-socket; 13-an elastic clamping table; 14-perforating; 2-female terminals; 21-a plug-in portion; 211-elastic clips; 212-a nip portion; 213-leg parts; 22-positioning part; 221-a wire blocking table; 222-a boss; 23-wiring parts; 231-a receptacle; 232-crimping pieces; 233-bump; 24-inserting sheets; 241-dentition.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model.

As shown in fig. 1 to 6, a female connector in this embodiment includes a base 1 provided with terminal insertion holes 10 and female terminals 2 inserted into the terminal insertion holes 10, wherein the female terminals 2 are in an integral structure, rear ends of the terminal insertion holes 10 are provided with rear ports 11 for inserting the female terminals 2, namely, the female terminals 2 are inserted into the terminal insertion holes 10 from the rear ports 11 during assembly, and front ends of the terminal insertion holes 10 are provided with sockets 12 for inserting opposite male terminals; the female terminal 2 is provided with a plug-in part 21, a positioning part 22 and a wiring part 23 from front to back, the plug-in male terminal is inserted into the socket 12 and then is electrically connected with the plug-in part 21, the positioning part 22 is used for positioning the female terminal 2 in the terminal jack 10, and the wiring part 23 is used for connecting an external lead; the plug-in portion 21 includes two elastic clips 211 oppositely disposed left and right, the rear end of each elastic clip 211 is integrally connected with the positioning portion 22, the space between the two elastic clips 211 is gradually reduced in the backward-to-forward direction, the minimum space between the two elastic clips 211 (i.e. the front end of the plug-in portion 21) forms a clamping portion 212 for clamping the opposite male terminal, the opposite male terminal is inserted into the clamping portion 212 and clamped by the corresponding portions of the two elastic clips 211, the front ends of the two elastic clips 211 are bent outwards to form a bent hook-shaped supporting leg 213, and the supporting leg 213 abuts against the corresponding side wall of the terminal jack 10, and plays a supporting role through the supporting leg 213, so that the clamping force of the elastic clip 211 is effectively enhanced, and the effective electrical connection between the female terminal 2 and the opposite male terminal can be ensured. As a modification, the leg portion 213 may be provided only at the front end of one of the elastic clips 211 in actual operation.

Furthermore, in order to further improve the positioning reliability of the female terminal in the terminal jack 10, the plug-in portion 21 in this embodiment further includes an insert 24 located below the elastic clip 211, the insert 24 is a flat piece, the rear end of the insert is connected to the positioning portion 22, a gap is left between the bottom edge of the elastic clip 211 and the insert 24, two sides of the insert 24 are provided with teeth 241, the teeth 241 are of a backward triangular inverted tooth structure, the teeth 241 and two side walls of the terminal jack 10 form a clamping connection, and the triangular inverted tooth structure is designed to facilitate the insertion process of the female terminal when the female terminal is installed into the terminal jack 10, and meanwhile, the triangular inverted tooth structure has a good retaining effect after the triangular inverted tooth structure and the side walls of the terminal jack 10 form a clamping connection.

Referring to fig. 4 and 6, in this embodiment, a wire blocking table 221 formed by punching is disposed at the bottom of the positioning portion 22, and the wire blocking table 221 protruding upward is designed to block the wire when the wire connecting portion 23 is connected to the wire, so as to prevent the wire from being inserted into the female terminal by a wire connector.

Referring to fig. 2 again, the upper portion of each terminal jack 10 on the base 1 is provided with a through hole 14 at a position corresponding to the positioning portion 22, the upper end of the positioning portion 22 is provided with a protrusion 222 extending into the through hole 14, the rear portion of each through hole 14 on the base 1 is provided with an elastic clamping table 13, the front end of the elastic clamping table 13 abuts against the rear portion of the protrusion 222, the protrusion 222 at the upper end of the positioning portion 22 can jack up the elastic clamping table 13 in the process of loading the female terminal into the terminal jack 10, when the protrusion 222 completely passes through the elastic clamping table 13, the elastic clamping table 13 is reset downwards, so that the front end of the elastic clamping table 13 abuts against the rear portion of the protrusion 222 to play a role in resisting the back movement of the female terminal 2; in order to prevent the elastic clamping table 13 from being easily broken, a reinforcing rib can be arranged at the joint of the elastic clamping table 13 and the base 1.

Referring to fig. 6, the connection part 23 has a U-shaped receiving part 231 and crimp connection pieces 232 connected to two sides of the receiving part 231, wherein bumps 233 are provided on the inner bottom wall of the receiving part 231 at intervals along the length direction of the female terminal 2, when wires are connected, the wires are placed in the receiving part 231, and then the crimp connection pieces 232 on two sides are deformed by riveting to press the wires in the receiving part 231, and the purpose of the bumps 233 is to form a concave-convex structure on the inner bottom wall of the receiving part 231, so that the wires can be connected with the connection part more reliably under the pressing action of the cooperation of the crimp connection pieces 232 and the bumps 232.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.

Claims

1. The female end connector comprises a base (1) provided with terminal jacks (10) and female terminals (2) correspondingly inserted into the terminal jacks (10), wherein rear ports (11) for inserting the female terminals (2) are formed in the rear ends of the terminal jacks (10), and sockets (12) for inserting opposite male terminals are formed in the front ends of the terminal jacks (10); the female terminal (2) is provided with a plug-in part (21), a positioning part (22) and a wiring part (23) from front to back; the connector is characterized in that the connector part (21) comprises two elastic clamping pieces (211) which are oppositely arranged left and right, the rear ends of the elastic clamping pieces (211) are connected with the positioning part (22) into a whole, the distance between the two elastic clamping pieces (211) is gradually reduced in the backward and forward direction, the minimum distance between the two elastic clamping pieces (211) forms a clamping part (212) for clamping the plug-in male terminal, the front ends of the elastic clamping pieces (211) are outwards bent to form bent hook-shaped supporting leg parts (213), and the supporting leg parts (213) are propped against the corresponding side walls of the terminal jack (10).

2. The female connector as claimed in claim 1, wherein the plug-in portion (21) further comprises a plug-in piece (24) located below the elastic clip piece (211), the plug-in piece (24) is a flat piece, the rear end of the plug-in piece is connected with the positioning portion (22), a gap is reserved between the bottom edge of the elastic clip piece (211) and the plug-in piece (24), teeth (241) are arranged on two side edges of the plug-in piece (24), the teeth (241) are of a backward triangular inverted tooth structure, and the teeth (241) are engaged with two side walls of the terminal jack (10).

3. Female end connector according to claim 1, characterized in that a stop (221) is provided at the bottom of the positioning part (22) which is punched upwards.

4. Female connector according to claim 1, characterized in that the upper part of each terminal jack (10) on the base (1) is provided with a through hole (14) at a position corresponding to the positioning part (22), the upper end of the positioning part (22) is provided with a protruding part (222) extending into the through hole (14), the base (1) is provided with an elastic clamping table (13) at the rear part of each through hole (14), and the front end of the elastic clamping table (13) is abutted against the rear part of the protruding part (222).

5. Female terminal connector according to claim 1, characterized in that the terminal part (23) has a U-shaped receiving part (231) and crimp pieces (232) connected to both sides of the receiving part (231), and that bumps (233) are provided on the inner bottom wall of the receiving part (231) at intervals along the length direction of the female terminal (2).