CN210517235U

CN210517235U - A kind of interface unit

Info

Publication number: CN210517235U
Application number: CN201921847081.3U
Authority: CN
Inventors: 李锦琦; 薛睿智; 张彬
Original assignee: Huawei Technologies Co Ltd; Dongguan Leader Precision Industry Co Ltd
Current assignee: Huawei Technologies Co Ltd; Dongguan Leader Precision Industry Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-12
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a connector technical field discloses a connector, and it includes insulator, terminal subassembly and metal casing, the terminal subassembly includes a plurality of conductive terminal that set up side by side, the last power butt connector male inserting groove that is provided with of insulator, conductive terminal's front end is located in the inserting groove, conductive terminal's front end can with butt connector's terminal cooperatees, the metal casing cladding in insulator's the outside, the connector still includes the spacing block, adjacent two be provided with between the conductive terminal the spacing block, the spacing block is located conductive terminal's bending end department. The isolating block is arranged between the bent ends of the two adjacent conductive terminals, and the isolating block is used for insulating and isolating the bent ends of the two adjacent conductive terminals, so that electrolytic reaction can not occur in the testing process under the high-temperature and high-humidity environment, and the continuous use of the connector is not influenced.

Description

A kind of interface unit

Technical Field

The utility model relates to a connector technical field especially relates to a connector.

Background

With the development of technology, the functional integration of electronic products is gradually increased, and the requirement for the reliability of signal transmission of connectors, especially RJ45 connectors, is also increased. RJ45 connectors require long-term live testing in high temperature and high humidity (temperature 75 degrees, humidity 90%). As shown in fig. 1, the conductive terminals 20 in the socket 10 of the connector are spaced apart from each other, and no spacer is provided between two adjacent conductive terminals 20, so that the isolation between the conductive terminals 20 is insufficient, and there is a voltage difference between a high voltage and a low voltage, and in a high-temperature and high-humidity environment, water in the air is electrolyzed, and hydrogen ions and hydroxyl ions in the electrolyzed water react with the conductive terminals 20 and an insulating body of the connector, etc., to form carboxylate and copper salt. The carboxylate and the copper salt can be adhered to the PIN needle, so that slight blackening is caused, poor contact and other phenomena can occur in the subsequent use process, and normal test can not be continued.

Therefore, a connector is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector, in the test procedure under the environment of high temperature and high humidity, can not take place the electrolytic reaction.

To achieve the purpose, the utility model adopts the following technical proposal:

the terminal assembly comprises a plurality of conductive terminals arranged side by side, an insertion groove for inserting a butting connector is formed in the insulating body, the front ends of the conductive terminals are located in the insertion groove and can be matched with terminals of the butting connector, the metal shell covers the outer side of the insulating body, the connector further comprises isolating blocks, the isolating blocks are arranged between every two adjacent conductive terminals, and the isolating blocks are located at bent ends of the conductive terminals.

As a preferable mode of the connector, the top surface of the spacer is not higher than the bottom surface of the insertion groove and is not higher than the top surface of the bent end of the conductive terminal.

As a preferable embodiment of the connector, the spacer is disposed on the insulating body and is integrally formed with the insulating body.

As a preferable mode of the connector, a receiving hole is formed in the insulating body, a first insulating block is arranged in the receiving hole, the isolating block is arranged on the first insulating block, and the isolating block and the first insulating block are integrally formed.

As a preferred scheme of the connector, the conductive terminal comprises an abutting part, a first connecting part and a second connecting part which are connected in sequence, the joint of the abutting part and the first connecting part is the bent end, and the first connecting part is connected with the second connecting part in a bent mode.

As a preferable aspect of the connector, the connector further includes a second insulating block, the first connecting portion is partially buried in the second insulating block, and the second insulating block is located in the insulating body.

As a preferable mode of the connector, the connector further includes a third insulating block, the second connecting portion is partially buried in the third insulating block, and a free end of the second connecting portion is exposed to the third insulating block.

As a preferred scheme of the connector, an elastic clamping arm extending into the insertion groove is arranged on the metal shell, and the elastic clamping arm can guide the butting connector.

As a preferable aspect of the connector, an elastic clip groove is provided on an inner side wall of the insertion groove, and the elastic clip groove is configured to receive the elastic clip arm.

Preferably, the inner wall of the insertion groove is provided with a receiving groove for receiving a free end of the abutting portion, and the free end of the abutting portion is slidable in the receiving groove.

The utility model has the advantages that: the isolating block is arranged between the bent ends of the two adjacent conductive terminals, and the isolating block is used for insulating and isolating the bent ends of the two adjacent conductive terminals, so that high-temperature and high-humidity air does not exist between the two adjacent conductive terminals in a test process under a high-temperature and high-humidity environment, hydrolysis reaction is effectively avoided, carboxylate, copper salt and the like cannot be generated, electrolytic precipitates cannot appear on the PIN needle, and the continuous use of the connector is not influenced.

Drawings

Fig. 1 is a schematic diagram of a prior art connector.

Fig. 2 is a schematic structural diagram of the connector provided by the present invention (the spacer is disposed on the insulating body);

fig. 3 is a schematic structural diagram of the connector provided by the present invention (excluding the metal shell);

fig. 4 is a schematic structural view of a terminal assembly, a second insulating block and a third insulating block provided by the present invention;

fig. 5 is a schematic structural diagram of the connector provided by the present invention (the isolation block is disposed on the first insulation block);

fig. 6 is a cross-sectional view of the connector provided by the present invention (the spacer is disposed on the first insulating block).

In the figure: 10. an interface; 20. a conductive terminal;

1. an insulating body; 11. inserting grooves; 111. an elastic clip groove; 12. a guide groove; 13. a limiting groove; 14. a spacing pin; 15. accommodating grooves;

2. a conductive terminal; 21. an abutting portion; 22. a first connection portion; 23. a second connecting portion; 24. a bent end;

3. a metal housing; 31. an elastic clamping arm; 311. a contact portion; 312. an elastic support portion; 32. an elastic clip;

4. an isolation block; 5. a second insulating block; 6. a third insulating block; 7. a first insulating block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 2 and 3, the present embodiment discloses a connector, which in the present embodiment is an RJ45 connector, and is mainly plugged and matched with a crystal plug. The connector comprises an insulating body 1, a terminal assembly and a metal shell 3, wherein the terminal assembly comprises a plurality of conductive terminals 2 arranged side by side, an insertion groove 11 for inserting a butting connector (a crystal head) is formed in the insulating body 1, the front ends of the conductive terminals are positioned in the insertion groove 11, and the front ends of the conductive terminals 2 can be matched with terminals of the butting connector to communicate the two connectors. The metal shell 3 covers the outer side of the insulating body 1 to protect the insulating body 1 and the terminal assembly, so that the connector is convenient to mount and fix, and can shield static electricity to avoid interference with signal transmission of the connector.

As shown in fig. 4, the conductive terminal 2 includes an abutting portion 21, a first connecting portion 22 and a second connecting portion 23 which are connected in sequence, a joint of the abutting portion 21 and the first connecting portion 22 is a bent end 24, the first connecting portion 22 and the second connecting portion 23 are perpendicular to each other and are connected in a bent manner, and the two are formed by a bending process. Optionally, the connector further includes a second insulating block 5 and a third insulating block 6, the first connecting portion 22 is partially embedded in the second insulating block 5, a first receiving slot is disposed on the insulating body 1, and the second insulating block 5 is inserted into the first receiving slot. The second dielectric block 5 provides a mounting point for the first connector portion 22 and also separates adjacent two conductive terminals 2. The second connecting portion 23 is partially embedded in the third insulating block 6, a free end of the second connecting portion 23 is exposed out of the third insulating block 6, a second accommodating groove is formed in the insulating body 1, and the third insulating block 6 is inserted into the second accommodating groove. The third insulating block 6 provides a mounting point for the first connecting portion 22 and separates two adjacent conductive terminals 2. The connector is mainly directly fixed on the circuit board, and the free end of the second connecting portion 23 is exposed out of the third insulating block 6 to provide a connection point for connecting the connector and the circuit board. The insulation body 1 is provided with a limit pin 14, and the limit pin 14 is located at one side where the third insulation block 6 is arranged. The spacing pin 14 can be used for spacing the connector when the connector is fixed on a circuit board, so that the connector is convenient to fix and install.

The left and right sides of the metal shell 3 are provided with a plurality of elastic clips 32, three in this embodiment. Spring clip 32 may improve the EMI resistance of the connector. The elastic clip 32 is bent, and the middle part of the elastic clip protrudes outwards and is formed by a stamping and bending process.

The metal shell 3 is provided with an elastic clamping arm 31 extending into the insertion groove 11, the elastic clamping arm 31 can guide a butting connector, the inner walls of the left side and the right side of the insertion groove 11 are provided with elastic clamping arms 31, and the elastic clamping arms 31 on the two sides are symmetrically arranged. Specifically, the elastic clamping arm 31 includes a contact portion 311 and an elastic support portion 312, two ends of the contact portion 311 are respectively connected to the front wall of the metal shell and the elastic support portion 312, and the elastic support portion 312 and the contact portion 311 are disposed at an included angle. In the process of inserting the mating connector into the mating slot 11, the mating connector contacts with the contact portion 311 first, and under the compression of the mating connector, an included angle between the elastic support portion 312 and the contact portion 311 is increased, and meanwhile, the elastic support portion 312 applies a clamping force to the mating connector through the contact portion 311 to guide the mating connector, so as to prevent the mating connector from being inserted obliquely and breaking the mating terminal.

The inner side wall of the insertion slot 11 is provided with an elastic clip slot 111, the elastic clip slot 111 is configured to accommodate the elastic clip arm 31, in an initial state, the contact portion 311 is partially exposed out of the elastic clip slot 111 under the action of the elastic support portion 312, after the butting connector is inserted into the insertion slot 11, under the action of the butting connector, the elastic clip arm 31 is located in the elastic clip slot 111, only the connection portion of the contact portion 311 and the elastic support portion 312 is in contact with the butting connector, so as to clamp the butting connector, and prevent the butting connector from falling off by itself.

Referring to fig. 3, a guide groove 12 is disposed on a side wall of the insertion groove 11, and a limit groove 13 is disposed on a side wall of the guide groove 12. The guide grooves 12 can guide the mating connector in the process of being inserted into the insertion grooves 11, and prevent the conductive terminals 2 from being damaged by insertion deviation. After the butting connector is inserted into the insertion groove 11, the limiting groove 13 can limit the butting connector and prevent the butting connector from falling off. The inner wall of the insertion groove 11 is provided with an accommodating groove 15 (see fig. 6) for accommodating the free end of the abutting portion 21, when the mating connector is inserted into the insertion groove 11, the terminal of the mating connector abuts against the conductive terminal 2, and under the action of the mating connector, the free end of the abutting portion 21 swings in the accommodating groove 15, so that the mating connector is smoothly inserted. Since the abutting portion 21 and the first connecting portion 22 are formed by bending, the conductive terminal 2 is made of metal (preferably, iron in this embodiment) and has certain elasticity, and can be elastically deformed during the insertion process of the mating connector, but always abuts against the terminal of the mating connector, so that good contact between the two can be ensured, and the occurrence of poor contact can be avoided.

As shown in fig. 2 and 3, the connector further includes a spacer 4, the spacer 4 is disposed between two adjacent conductive terminals 2, the spacer 4 is located at the bent end 24 of the conductive terminal 2, and the spacer 4 is made of plastic. The bent ends 24 of the two adjacent conductive terminals 2 are isolated in an insulating way by the isolating block 4, so that high-temperature and high-humidity air does not exist between the two adjacent conductive terminals 2 in the testing process under the high-temperature and high-humidity environment, the hydrolysis reaction is effectively avoided, carboxylate, copper salt and the like are not generated, electrolytic precipitates cannot appear on the PIN needle, and the continuous use of the connector is not influenced. The top surface of the isolation block 4 is not higher than the bottom surface of the insertion groove 11 and not higher than the top surface of the bent end 24 of the conductive terminal 2, so that the insertion of the butting connector is not hindered and the plugging and mating of the butting connector and the connector are not hindered in the process of inserting the butting connector into the insertion groove 11.

In this embodiment, the insulating body 1 is provided with two insertion grooves 11, and each insertion groove 11 is provided with a terminal assembly and a spacer 4.

Preferably, in the present embodiment, as shown in fig. 2 and 3, the spacer 4 is disposed on the insulating body 1 and is integrally injection-molded with the insulating body 1.

In other embodiments, as shown in fig. 5 and 6, a receiving hole may be further formed in the insulating body 1, a first insulating block 7 is disposed in the receiving hole, the isolation block 4 is disposed on the first insulating block 7, and the isolation block 4 and the first insulating block 7 are integrally injection-molded.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The connector comprises an insulating body (1), a terminal assembly and a metal shell (3), wherein the terminal assembly comprises a plurality of conductive terminals (2) which are arranged side by side, an insertion groove (11) for inserting a butting connector is formed in the insulating body (1), the front ends of the conductive terminals (2) are positioned in the insertion groove (11), the front ends of the conductive terminals (2) can be matched with terminals of the butting connector, and the metal shell (3) covers the outer side of the insulating body (1), the connector is characterized by further comprising an isolating block (4), the isolating block (4) is arranged between every two adjacent conductive terminals (2), and the isolating block (4) is positioned at a bent end (24) of each conductive terminal (2).

2. Connector according to claim 1, characterized in that the top surface of the spacer block (4) is not higher than the bottom surface of the insertion groove (11) and not higher than the top surface of the bent end (24) of the conductive terminal (2).

3. Connector according to claim 1, characterized in that said spacer (4) is provided on said insulating body (1) and is integrally formed with said insulating body (1).

4. The connector according to claim 1, wherein the insulating body (1) is provided with a receiving hole, a first insulating block (7) is arranged in the receiving hole, the isolating block (4) is arranged on the first insulating block (7), and the isolating block (4) is integrally formed with the first insulating block (7).

5. The connector according to claim 1, wherein the conductive terminal (2) comprises an abutting part (21), a first connecting part (22) and a second connecting part (23) which are connected in sequence, the joint of the abutting part (21) and the first connecting part (22) is the bent end (24), and the first connecting part (22) and the second connecting part (23) are connected in a bent mode.

6. Connector according to claim 5, characterized in that it further comprises a second insulating block (5), said first connection portion (22) being partially buried in said second insulating block (5), said second insulating block (5) being located in said insulating body (1).

7. Connector according to claim 5, characterized in that it further comprises a third insulating block (6), said second connection portion (23) being partially buried in said third insulating block (6), the free end of said second connection portion (23) being exposed to said third insulating block (6).

8. Connector according to claim 7, characterized in that the metal housing (3) is provided with resilient arms (31) which extend into the plug-in slot (11), the resilient arms (31) being capable of guiding a mating connector.

9. Connector according to claim 8, characterized in that the inner side wall of the insertion slot (11) is provided with a resilient clip groove (111), the resilient clip groove (111) being configured to receive the resilient clip arm (31).

10. Connector according to claim 5, characterized in that the inner wall of the plug groove (11) is provided with a receiving groove (15) for receiving the free end of the abutment portion (21), the free end of the abutment portion (21) being able to swing within the receiving groove (15).