CN220856969U - Wear-resistant female terminal structure for connector - Google Patents

Abstract

The utility model discloses a wear-resistant female terminal structure for a connector, which comprises a main body and a limiting sleeve, wherein the front end of the main body is provided with at least two clamping arms arranged at intervals, the rear end of the main body is provided with at least one group of clamping parts which are arranged oppositely, the middle part of the limiting sleeve is provided with a through hole, the clamping arms are arranged in the through hole, the rear end of the limiting sleeve is fixed with the outer wall of the main body, and the limiting sleeve can apply pressure inwards and force the clamping arms to move towards the axis direction. In the practical design, the limiting sleeve and the main body are mutually fixed, and the inner wall of the limiting sleeve applies pressure to the clamping arm, so that the clamping arm can always keep a preset state even if the male terminal is repeatedly inserted and pulled out, the problem of elastic fatigue of the clamping arm is avoided, and the stable insertion and pulling out of the female terminal and the male terminal is further ensured; therefore, the temperature rise of the clamping arm during conduction can be effectively conducted through the design of the limiting sleeve, and the problem of the connecting end is effectively reduced.

Description

Wear-resistant female terminal structure for connector

Technical Field

The utility model relates to the field of connectors, in particular to a wear-resistant female terminal structure for a connector.

Background

Female terminals are often used in connectors, i.e., female terminals are provided in a male header, which is typically mounted to a device or mechanism, i.e., a stationary structure. The wear resistance and stability relationship of the female terminal is thus the stability of the use of the corresponding device or mechanism.

However, in practical tests, it is found that the problem of elastic fatigue easily occurs after the socket of the existing female terminal is repeatedly plugged and unplugged, and thus poor contact between the male terminal and the female terminal is caused, and in order to realize stable connection, the existing female terminal, for example, the chinese patent ZL202320858099.3, is realized in a multi-layer structure, but the corresponding production cost is increased.

Disclosure of utility model

The utility model mainly aims to provide a wear-resistant female terminal structure for a connector, and aims to improve the existing female terminal structure, so that the wear-resistant female terminal structure is simple in structure, is applicable to the existing female terminal structure, has a better model reference function, improves the stability of inserting and extracting a female terminal, is better in contact, and prolongs the service life of the female terminal.

In order to achieve the above object, the present utility model provides a wear-resistant female terminal structure for a connector, comprising,

The clamping arms are arranged at least at intervals at the front end of the main body, and at least one group of clamping hoop parts which are oppositely arranged are arranged at the rear end of the main body;

The limiting sleeve is characterized in that a through hole is formed in the middle of the limiting sleeve, the clamping arm is arranged in the through hole, the rear end of the limiting sleeve is fixed with the outer wall of the main body, and the limiting sleeve can apply pressure inwards and force the clamping arm to move towards the axis direction.

According to the technical scheme, in actual design, the limiting sleeve and the main body are mutually fixed, and the pressure is applied to the clamping arm through the inner wall of the limiting sleeve, so that the clamping arm can always keep a preset state even if the male terminal is repeatedly inserted and pulled out, the problem of elastic fatigue of the clamping arm is avoided, and the stable insertion and pulling out of the female terminal and the male terminal is further ensured; therefore, the temperature rise of the clamping arm during conduction can be effectively conducted through the design of the limiting sleeve, and the problem of the connecting end is effectively reduced.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of the first embodiment of the present utility model;

fig. 4 is a schematic perspective view of the second embodiment of the present utility model.

In the figure, 1 is a main body, 11 is a clamping arm, 12 is a clamping part, 2 is a clamp part, 21 is a strip part, 22 is a wedge part, 3 is a limit sleeve, 31 is a through hole, 32 is a U-shaped part, 4 is a limit table, and 5 is a deformation groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 4, a wear-resistant female terminal structure for a connector, includes,

The clamping device comprises a main body 1, wherein the front end of the main body 1 is provided with at least two clamping arms 11 which are arranged at intervals, and the rear end of the main body 1 is provided with at least one group of clamping hoop parts 2 which are arranged oppositely;

The stop collar 3, the middle part of stop collar 3 is equipped with through-hole 31, the centre gripping arm 11 is located in the through-hole 31, just the rear end of stop collar 3 is fixed with the outer wall of main part 1 mutually, stop collar 3 can inwards exert pressure and force centre gripping arm 11 towards axle center direction motion.

In practical design, the limiting sleeve 3 and the main body 1 are mutually fixed, and pressure is applied to the clamping arm 11 through the inner wall of the limiting sleeve 3, so that the clamping arm 11 can always keep a preset state even if the male terminal is repeatedly inserted and pulled out, the problem of elastic fatigue of the clamping arm 11 is avoided, and the stable insertion and pulling out of the female terminal and the male terminal is further ensured; therefore, the temperature rise of the clamping arm 11 during conduction can be effectively conducted through the design of the limit sleeve 3, and the problem of a connecting end is effectively reduced.

Specifically, the upper portion of the clamping arm 11 is provided with a clamping portion bent toward the axial direction, wherein the clamping portion can be fixed with the male terminal.

In the embodiment of the utility model, the middle part of the main body 1 is provided with the limiting table 4 propped against the lower end of the limiting sleeve 3, and the limiting table 4 extends towards the outer wall of the main body 1, wherein the limiting body not only plays a role in limiting and fixing the limiting sleeve 3, but also facilitates the installation of the female terminal on the plastic body.

Further, the limiting table 4 is of a hollow structure, for example, is formed by stamping.

In the embodiment of the present utility model, the main body 1 is formed by a tubular structure or a sheet structure by riveting, when the diameter of the main body 1 is smaller, the tubular structure is adopted, and when the diameter of the main body 1 is larger, the sheet structure is adopted by riveting.

Specifically, the upper end of clamping part is equipped with the perk portion of outside extension, perk portion offsets with the inner wall of stop collar 3, and then has guaranteed the laminating degree of clamping part and public terminal.

In the embodiment of the utility model, the upper end of the stop collar 3 extends towards the axial direction to form a U-shaped part 32, and the U-shaped part 32 can shield the tilted part therein, i.e. the arc-shaped arrangement of the U-shaped part 32 can avoid the damage caused by the insertion of the male terminal, and at the same time, the tilted part is protected.

Specifically, the clip portion 2 is provided with two groups, including a strip portion 21 and a wedge portion 22, wherein the strip portion 21 is mainly used for fixing the wire core, and the wedge portion is used for fixing the insulation layer of the wire core.

In the embodiment of the present utility model, two clamping arms 11 are provided and are opposite to each other, and a deformation groove 5 is formed between the two clamping arms 11.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (9)

1. A wear-resistant female terminal structure for a connector, characterized by comprising,

The clamping arms are arranged at least at intervals at the front end of the main body, and at least one group of clamping hoop parts which are oppositely arranged are arranged at the rear end of the main body;

The limiting sleeve is characterized in that a through hole is formed in the middle of the limiting sleeve, the clamping arm is arranged in the through hole, the rear end of the limiting sleeve is fixed with the outer wall of the main body, and the limiting sleeve can apply pressure inwards and force the clamping arm to move towards the axis direction.

2. The female wear terminal structure for a connector as claimed in claim 1, wherein: the upper part of the clamping arm is provided with a clamping part which is bent towards the axis direction.

3. The female wear terminal structure for a connector as claimed in claim 1, wherein: the middle part of main part is equipped with the limit station that offsets with the stop collar lower extreme, the limit station extends towards the outer wall of main part and sets up.

4. A wear resistant female terminal structure for a connector as set forth in claim 3, wherein: the limiting table is of a hollow structure.

5. The female wear terminal structure for a connector as claimed in claim 1, wherein: the main body is formed by tubular structure or sheet structure in a riveting mode.

6. The wear-resistant female terminal structure for a connector as set forth in claim 2, wherein: the upper end of the clamping part is provided with an outwards extending tilting part, and the tilting part is propped against the inner wall of the limit sleeve.

7. The female wear terminal structure for a connector as set forth in claim 6, wherein: the upper end of the limiting sleeve extends towards the axis direction to form a U-shaped part, and the U-shaped part can shield the tilting part inside the U-shaped part.

8. The female wear terminal structure for a connector as claimed in claim 1, wherein: the clamp part is provided with two groups, including strip part and wedge part.

9. The female wear terminal structure for a connector as claimed in claim 1, wherein: the clamping arms are provided with two clamping arms which are oppositely arranged, and a variable groove is formed between the two clamping arms in a surrounding mode.