High-reliability connector

By setting guide plates, contact shrapnels and bosses in the female terminal plug-in frame of the connector, the problems of difficulty in plugging and unreliable contact of the existing connectors are solved, and higher plug-in reliability and connection stability are achieved.

CN223052513UActive Publication Date: 2025-07-01ZHEJIANG KUAILI ELECTRONICS
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Patent Information

Application Number
CN202422243052.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-07-01
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

During the plug-in process, the existing connectors lack a guide structure, resulting in excessive insertion force of the male terminal, which easily tilts, resulting in unreliable contact and easy to break instantly.

Method used

A highly reliable connector is designed. By providing a guide sheet in the plug frame of the female terminal, the guide sheet can guide the male terminal to slide along the guide sheet into the clamping cavity, forming a plug-in fit between the male terminal and the female terminal. At the same time, the contact shrapnel and contact boss in the plug-in frame clamp the male terminals to increase the pull-out force and ensure a more compact connection.

Benefits of technology

Through the design of the guide plate, the insertion force between the male terminal and the female terminal is reduced, the male terminal is tilted, the contact reliability is improved, and the pull-out force and connection stability are enhanced through the clamping effect of the contact shrapnel and the contact boss.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223052513U_ABST
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Abstract

The utility model relates to a high-reliability connector, which comprises a male rubber shell, a plurality of male terminals, a female rubber shell and a plurality of female terminals, one end of each female terminal is provided with a plug-in frame body matched with the male terminal, and a plug-in port of the plug-in frame body is provided with a guide sheet matched with the male terminal. A contact elastic sheet contacted with one side of the male terminal is arranged at the position, corresponding to one side of the guide sheet, in the plug-in frame body, a contact boss contacted with the other side of the male terminal is arranged in the plug-in frame body, and a clamping cavity for the male terminal to be inserted in is formed between the contact boss and the contact elastic sheet. The male terminal slides into the clamping cavity along the guide sheet, and the male terminal and the female terminal are in plugging cooperation. The utility model has the advantages of simple structure, stable and reliable performance, convenient assembly and reliable connection.
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Description

Technical Field

[0001] The utility model relates to a connector, in particular to a highly reliable connector. Background Art

[0002] A connector is a device that connects two active devices and is used to transmit current or signals. The main supporting fields of electrical connectors include transportation, communication, network, IT, medical, household appliances, etc. The rapid development of the technical level of products in the supporting fields and the rapid growth of their markets strongly drive the development of connector technology. So far, connectors have developed into a series of serialized and specialized products with complete product types, rich variety specifications, diverse structural forms, refined professional directions, obvious industry characteristics, and standardized standard systems. Existing connectors include a male rubber housing, a plurality of male terminals arranged in the male rubber housing, a female rubber housing inserted into the male rubber housing, and a plurality of female terminals arranged in the female rubber housing and inserted into the plurality of male terminals. When the male terminals and the female terminals are inserted, since the female terminals are not provided with a guiding structure, the insertion force between the male terminals is too large, resulting in difficult insertion between the male terminals and the female terminals, and the male terminals are prone to tilt during the insertion process, resulting in unreliable contact between the male terminals and the female terminals, and the male terminals and the female terminals are prone to instantaneous breakage. Summary of the Invention

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a highly reliable connector with simple structure, stable and reliable performance, convenient assembly, and reliable connection.

[0004] To achieve the above purpose, the utility model adopts a highly reliable connector, which includes a male rubber housing, a plurality of male terminals respectively arranged in the male rubber housing, a female rubber housing matched with the male rubber housing, and a plurality of female terminals respectively arranged in the female rubber housing. One end of the female terminal has a plug-in frame body matched with the male terminal. A guiding piece matched with the male terminal is arranged at the insertion port of the plug-in frame body. A contact elastic piece in contact with one side of the male terminal is arranged at one side of the plug-in frame body corresponding to the guiding piece. A contact boss in contact with the other side of the male terminal is arranged in the plug-in frame body. A clamping cavity for inserting the male terminal is formed between the contact boss and the contact elastic piece. The male terminal slides along the guiding piece into the clamping cavity, and the plug-in fit between the male terminal and the female terminal is formed.

[0005] The beneficial effects of the above structure are as follows: A guiding piece is arranged in the insertion frame of the female terminal. The guiding piece can guide the male terminal, which is beneficial to reducing the insertion force between the male terminal and the female terminal, and can prevent the male terminal from tilting during the insertion process, ensuring more reliable contact between the male terminal and the female terminal. Moreover, the contact elastic piece and the contact boss in the insertion frame can clamp the male terminal, increasing the pulling-out force between the male terminal and the female terminal and ensuring a more compact connection between the male terminal and the female terminal. Therefore, this connector has the advantages of simple structure, stable and reliable performance, convenient assembly, and reliable connection.

[0006] Particularly, an arc-shaped convex portion in contact with the male terminal is arranged at the tail of the contact elastic piece. The contact elastic piece contacts the male terminal through the arc-shaped convex portion, thus ensuring more reliable contact between the male terminal and the contact elastic piece.

[0007] Particularly, a retaining piece is arranged at one end of the insertion frame corresponding to the female rubber housing. A clamping groove matching with the insertion frame is arranged on the retaining piece. The clamping groove is clamped on one end of the insertion frame, forming a limiting fit between the retaining piece and the insertion frame. The retaining piece plays a limiting role on the insertion frame, ensuring a more compact connection between the female terminal and the female rubber housing.

[0008] Particularly, a positioning boss is arranged on the outer wall of the insertion frame. A positioning groove matching with the positioning boss is arranged in the female rubber housing. The positioning boss is clamped in the positioning groove, forming a clamping fit between the positioning boss and the female rubber housing. The positioning boss on the insertion frame is clamped in the positioning groove of the female rubber housing, preventing the insertion frame from swinging in the female rubber housing, thus ensuring a more compact connection between the female terminal and the female rubber housing.

[0009] Particularly, an elastic limiting piece matching with the male terminal is arranged in the male rubber housing. A limiting block matching with the elastic limiting piece is arranged on the male terminal. A limiting groove clamped on the limiting block is arranged at one end of the elastic limiting piece, forming a limiting fit between the limiting block and the elastic limiting piece. The elastic limiting piece plays a limiting role on the male terminal, preventing the male terminal from loosening and falling off from the male rubber housing, and ensuring a more compact connection between the male terminal and the male rubber housing.

[0010] Particularly, a sealing ring for sealing cooperation with the male rubber housing is arranged on the female rubber housing. The sealing ring can enhance the sealing performance between the female rubber housing and the male rubber housing, which is beneficial to improving the protection performance of this connector. Description of the Drawings

[0011] Figure 1 This is a perspective view of an embodiment of the present invention.

[0012] Figure 2 This is a sectional view of an embodiment of the present invention.

[0013] Figure 3This is a perspective view of the female terminal in the embodiment of the present utility model. Detailed implementation manners

[0014] As Figures 1 to 3 As shown, the embodiment of the present utility model is a highly reliable connector, which includes a male rubber housing 10, a plurality of male terminals 11 respectively arranged in the male rubber housing 10, a female rubber housing 20 matched with the male rubber housing 10, and a plurality of female terminals 21 respectively arranged in the female rubber housing 20. One end of the female terminal 21 has a plug-in frame body 211 matched with the male terminal 11. At the insertion port 212 of the plug-in frame body 211, a guiding piece 213 matched with the male terminal 11 is arranged. On one side of the plug-in frame body 211 corresponding to the guiding piece 213, a contact elastic piece 214 contacting with one side of the male terminal 11 is arranged. In the plug-in frame body 211, a contact boss 215 contacting with the other side of the male terminal 11 is arranged. A clamping cavity 210 for the male terminal 11 to insert is formed between the contact boss 215 and the contact elastic piece 214. The male terminal 11 slides along the guiding piece 213 into the clamping cavity 210, and the plug-in fit between the male terminal 11 and the female terminal 21 is formed. An arc-shaped convex part 2141 contacting with the male terminal 11 is arranged on the tail of the contact elastic piece 214. The contact elastic piece contacts with the male terminal through the arc-shaped convex part, so as to ensure more reliable contact between the male terminal and the contact elastic piece.

[0015] As Figure 2 、 3As shown in the figure, an anti - detachment piece 201 is provided at one end of the plug - in frame 211 corresponding to the inner part of the mother rubber housing 20. A clamping groove 202 matching with the plug - in frame 211 is arranged on the anti - detachment piece 201. The clamping groove 202 is clamped on one end of the plug - in frame 211, and forms a limit fit between the anti - detachment piece 201 and the plug - in frame 211. The anti - detachment piece plays a role in limiting the plug - in frame, which can ensure that the connection between the female terminal and the mother rubber housing is more compact. A positioning boss 216 is arranged on the outer wall of the plug - in frame 211, and a positioning groove 203 matching with the positioning boss 216 is arranged in the mother rubber housing 20. The positioning boss 216 is clamped in the positioning groove 203, and forms a clamping fit between the positioning boss 216 and the mother rubber housing 20. The positioning boss on the plug - in frame is clamped in the positioning groove of the mother rubber housing, which can prevent the plug - in frame from swinging in the mother rubber housing, so as to ensure that the connection between the female terminal and the mother rubber housing is more compact. An elastic limit piece 101 matching with the male terminal 11 is arranged in the male rubber housing 10. A limit block 111 matching with the elastic limit piece 101 is arranged on the male terminal 11. A limit groove 102 clamped on the limit block 111 is arranged at one end of the elastic limit piece 101, and forms a limit fit between the limit block 111 and the elastic limit piece 101. The elastic limit piece plays a role in limiting the male terminal, which can prevent the male terminal from loosening and falling off from the male rubber housing, and can ensure that the connection between the male terminal and the male rubber housing is more compact. A sealing ring 23 for sealing cooperation with the male rubber housing 11 is arranged on the mother rubber housing 21. The sealing ring can enhance the sealing performance between the mother rubber housing and the male rubber housing, which is beneficial to improving the protection performance of the connector.

[0016] A guiding piece is arranged in the plug - in frame of the female terminal. The guiding piece can play a guiding role for the male terminal, which is beneficial to reducing the insertion force between the male terminal and the female terminal, and can prevent the male terminal from tilting during the insertion process, ensuring more reliable contact between the male terminal and the female terminal. Moreover, the contact elastic piece and the contact boss in the plug - in frame can clamp the male terminal, increasing the pulling - out force between the male terminal and the female terminal, and ensuring more compact connection between the male terminal and the female terminal. Therefore, this connector has the advantages of simple structure, stable and reliable performance, convenient assembly and reliable connection.

Claims

1. A high-reliability connector, comprising a male rubber shell, a plurality of male terminals respectively arranged in the male rubber shell, a female rubber shell matching the male rubber shell, and a plurality of female terminals respectively arranged in the female rubber shell, characterized in that: One end of the female terminal has a plug-in frame that matches the male terminal, a guide piece that matches the male terminal is arranged at the insertion port of the plug-in frame, a contact spring that contacts one side of the male terminal is arranged at the side corresponding to the guide piece in the plug-in frame, a contact boss that contacts the other side of the male terminal is arranged in the plug-in frame, a clamping cavity for inserting the male terminal is formed between the contact boss and the contact spring, and the male terminal slides into the clamping cavity along the guide piece, and the male terminal and the female terminal are plugged in and matched.

2. The high-reliability connector according to claim 1, characterized in that: The tail of the contact spring is provided with an arc-surface protrusion that contacts the male terminal.

3. The high-reliability connector according to claim 1 or 2, characterized in that: An anti-dropping piece is arranged at one end of the plug-in frame in the mother rubber shell, and a slot matching with the plug-in frame is arranged on the anti-dropping piece. The slot is engaged with one end of the plug-in frame and forms a limit fit between the anti-dropping piece and the plug-in frame.

4. The high-reliability connector according to claim 1 or 2, characterized in that: The outer wall of the plug-in frame is provided with a positioning boss, and the mother rubber shell is provided with a positioning groove matched with the positioning boss. The positioning boss is engaged in the positioning groove, and a snap fit between the positioning boss and the mother rubber shell is formed.

5. The high-reliability connector according to claim 1 or 2, characterized in that: An elastic limiting piece matching with the male terminal is arranged in the male rubber shell, a limiting block matching with the elastic limiting piece is arranged on the male terminal, a limiting groove which is engaged with the limiting block is arranged on one end of the elastic limiting piece, and the limiting block and the elastic limiting piece are matched with each other.

6. The high-reliability connector according to claim 1 or 2, characterized in that: The female rubber shell is provided with a sealing ring which is sealed with the male rubber shell.