WO2023284823A1

WO2023284823A1 - Type-c female electrical connector

Info

Publication number: WO2023284823A1
Application number: PCT/CN2022/105690
Authority: WO
Inventors: 龙际恩; 许金
Original assignee: 深圳市普玛斯精密组件有限公司
Priority date: 2021-07-16
Filing date: 2022-07-14
Publication date: 2023-01-19
Also published as: CN216624678U

Abstract

The present application discloses a Type-C female electrical connector, comprising a metal housing and an insulating main body, the insulating main body being provided with a terminal, wherein an inner waterproof portion is provided between the metal housing and the insulating main body, the insulating main body comprises an abutting end and a mounting end, the middle of the mounting end of the insulating main body is provided with an annular slot, and the inner waterproof portion comprises a middle waterproof interlayer embedded in the annular slot. By providing the inner waterproof portion between the metal housing and the insulating main body, the waterproof performance of the Type-C female electrical connector can be improved, thereby preventing water from entering an electronic product from the mounting gap between the metal housing and the insulating main body.

Description

A Type-C female electrical connector

This application is based on the Chinese utility model application filed on July 16, 2021 with the application number 202121629937.7 and titled "A Type-C Female Electrical Connector", and claims its priority.

technical field

The present application relates to the field of electronic equipment, in particular to an electrical connector.

Background technique

Type-C female electrical connectors are widely used in various electronic products, such as power banks, Bluetooth headsets, mobile phones, etc., for charging or signal transmission of electronic products. With the advancement of technology, the performance requirements of various aspects of electronic products are also getting higher and higher, and waterproof performance is an important performance of each electronic product. In order to improve the waterproof performance of electronic products, it is necessary to provide a waterproof structure on the Type-C female electrical connector.

application content

The technical problem to be solved in this application is to provide a Type-C female electrical connector.

In order to solve the above technical problems, the Type-C female electrical connector of the present application includes a metal shell and an insulating body, the insulating body is provided with terminals, wherein an inner waterproof The insulating body includes a butt end and a mounting end, an annular groove is provided in the middle of the mounting end of the insulating body, and the inner waterproof part includes a middle waterproof interlayer embedded in the annular groove.

By providing an inner waterproof part between the metal shell and the insulating body, the waterproof performance of the Type-C female electrical connector can be improved, and moisture can be prevented from entering the electronic product from the installation gap between the metal shell and the insulating body.

Description of drawings

1 is a schematic diagram of Embodiment 1 of the Type-C female electrical connector of the present application;

Fig. 2 is a cross-sectional view of the Type-C female electrical connector in Fig. 1;

Fig. 3 is an exploded view of Embodiment 2 of the Type-C female electrical connector of the present application;

Fig. 4 is a cross-sectional view of the Type-C female electrical connector in Fig. 3;

Fig. 5 is a schematic diagram of another perspective of the Type-C female electrical connector in Fig. 3;

6 is a cross-sectional view of Embodiment 3 of the Type-C female electrical connector of the present application;

7 is a cross-sectional view of Embodiment 4 of the Type-C female electrical connector of the present application;

Fig. 8 is a schematic diagram of the insulating body in Fig. 7;

FIG. 9 is an exploded view of Embodiment 5 of the Type-C female electrical connector of the present application;

Fig. 10 is an assembly diagram of the Type-C female electrical connector in Fig. 9;

Fig. 11 is a schematic diagram of the use of the Type-C female electrical connector in Fig. 9;

FIG. 12 is a cross-sectional view of Embodiment 6 of the Type-C female electrical connector of the present application.

detailed description

The present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1:

As shown in FIGS. 1-2 , the Type-C female electrical connector of this embodiment includes a metal shell 11 and an insulating body 13 . Terminals are inlaid on the insulating body 13 , and the number of terminals is established according to actual needs, which is common knowledge in the field and will not be repeated here. The metal casing 11 includes a metal casing body 111 . The front end 1112 of the metal housing main body 111 is provided with a blocking wall 112 , and the section of the blocking wall 112 is L-shaped. The Type-C female electrical connector also includes an outer waterproof part 12, the outer waterproof part 12 is arranged on the outside of the metal shell 11, and the barrier wall 112 is surrounded by the front end 1112 of the metal shell main body 111. A groove 113 , the outer waterproof part 12 is installed in the groove 113 . By setting the groove 113, the installation of the outer waterproof part 12 is made firmer, and the waterproof performance of the Type-C female electrical connector is further improved. The outer waterproof part 12 can be made of materials with good elasticity such as silica gel, rubber, UV glue, epoxy resin, etc. with good waterproof performance. By providing the outer waterproof part 12, the waterproof performance of the Type-C female electrical connector can be improved, and moisture can be prevented from entering the electronic product from the installation gap between the Type-C female electrical connector and the electronic product. In this embodiment, the front end 1112 of the metal shell main body 111 does not protrude, and when installed, the outer waterproof part 12 of the Type-C female electrical connector directly abuts against the structural member of the electronic component, and the positioning accuracy The requirements are lower and the installation is more convenient.

The insulating body 13 includes a butt end and a mounting end 131 , and an annular groove is formed between the rear end 1111 of the metal shell body 111 and the tail of the mounting end 131 of the insulating body 13 . It should be noted that the rear end 1111 of the metal housing main body 111 is the rear end of the metal housing 11 , and the rear end surface of the installation end 131 of the insulating main body 13 is the rear end surface of the insulating main body 13 . The Type-C female electrical connector is also provided with an inner waterproof part 14, and the inner waterproof part 14 includes a waterproof layer 141 covering the rear end surface of the insulating body 13 and a rear waterproof interlayer 142 embedded in the annular groove. The inner waterproof part 14 can be made of materials such as waterproof glue, such as epoxy resin. Squeeze the waterproof glue to the rear end surface of the insulating body 13 and solidify to form a waterproof layer 141 , and make the waterproof glue fill the annular groove and solidify to form a rear waterproof interlayer 142 . In this embodiment, the metal shell 11 may be processed by powder metallurgy, or zinc alloy may be used. By providing the inner waterproof part 14, moisture can be prevented from entering the electronic product from the gap between the metal casing 11 and the insulating body 13, thereby improving its waterproof performance. By setting the annular groove and the rear waterproof interlayer 142, the waterproof structure can be increased to further improve the waterproof performance. The waterproof layer 141 and the rear waterproof interlayer 142 are integrally formed. Of course, in this embodiment, the inner waterproof part 14 may only include the waterproof layer 141 or the rear waterproof interlayer 142.

Of course, the inner waterproof part 14 can also use waterproof materials such as silica gel, rubber, UV glue, etc.

Example 2:

As shown in FIGS. 3-5 , the Type-C female electrical connector of this embodiment includes a metal shell 21 and an insulating body 23 . Terminals are inlaid on the insulating body 23 , and the number of terminals is established according to actual needs, which is common knowledge in the field and will not be repeated here. The metal casing 21 includes a metal casing body 211 . The front end 2112 of the metal housing main body 211 is provided with a blocking wall 212 , and the section of the blocking wall 212 is L-shaped. The Type-C female electrical connector also includes an outer waterproof part 22, the outer waterproof part 22 is arranged on the outside of the metal shell 21, and the barrier wall 212 is surrounded by the front end 2112 of the metal shell main body 211. A groove 213 , the outer waterproof part 22 is installed in the groove 213 . The outer waterproof part 22 can be made of elastic materials such as better waterproof silica gel and rubber. Compared with the first embodiment, the front end 2112 of the metal shell main body 211 protrudes longer to form a guide portion 2113 . During installation, the guide part 2113 cooperates with the structural parts of the electronic components to guide and position, the installation accuracy is high, and the sealing effect is also good.

The insulating body 23 includes a butt end and a mounting end 231 , and an annular groove is formed between the rear end 2111 of the metal shell body 211 and the tail of the mounting end 231 of the insulating body 23 . It should be noted that the rear end 2111 of the metal housing body 211 is the rear end of the metal housing 21 , and the rear end surface of the mounting end 231 of the insulating body 23 is the rear end surface of the insulating body 23 . The Type-C female electrical connector is also provided with an inner waterproof part 24, and the inner waterproof part 24 includes a waterproof layer 241 covering the rear end surface of the insulating body 23 and a rear waterproof interlayer 242 embedded in the annular groove. The inner waterproof part 24 can be made of materials such as waterproof glue, such as epoxy resin. Squeeze the waterproof glue to the rear end surface of the insulating body 23 and solidify to form a waterproof layer 241 , and make the waterproof glue fill the annular groove and solidify to form a rear waterproof interlayer 242 . In this embodiment, the metal shell 21 may be processed by powder metallurgy, or zinc alloy may be used. The waterproof layer 241 and the rear waterproof interlayer 242 are integrally formed.

Certainly, the inner waterproof part 24 may also use waterproof materials such as UV glue, silica gel or rubber.

Example 3:

As shown in FIG. 6 , the Type-C female electrical connector of this embodiment includes a metal shell 31 and an insulating body 33 . Terminals are inlaid on the insulating body 33 , and the number of terminals is established according to actual needs, which is common knowledge in the field and will not be repeated here. The metal casing 31 includes a metal casing body 311 . The front end 3112 of the metal housing main body 311 is provided with a blocking wall 312 , and the blocking wall 312 is in the shape of a straight wall. The Type-C female electrical connector further includes an outer waterproof portion 32 disposed on the outer side of the metal shell 31 , and the outer waterproof portion 32 abuts against the blocking wall 312 . The outer waterproof part 32 can be made of better waterproof silica gel, rubber and other materials.

The insulating body 33 includes a butt end and a mounting end 331 , and an annular groove is formed between the rear end 3111 of the metal housing body 311 and the tail of the mounting end 331 of the insulating body 33 . It should be noted that the rear end 3111 of the metal housing main body 311 is the rear end of the metal housing 31 , and the rear end surface of the installation end 331 of the insulating main body 33 is the rear end surface of the insulating main body 33 . The Type-C female electrical connector is also provided with an inner waterproof part 34, and the inner waterproof part 34 includes a waterproof layer 341 covering the rear end surface of the insulating body 33 and a rear waterproof interlayer 342 embedded in the annular groove. The inner waterproof part 34 can adopt materials such as waterproof glue, such as epoxy resin. Squeeze the waterproof glue to the rear end surface of the insulating body 33 and solidify to form a waterproof layer 341 , and make the waterproof glue fill the annular groove and solidify to form a rear waterproof interlayer 342 . The waterproof layer 341 and the rear waterproof interlayer 342 are integrally formed. Certainly, the inner waterproof part 34 may also use waterproof materials such as silica gel or rubber.

In this embodiment, the metal shell 31 can be processed by powder metallurgy or stamping and bending, or can be made of zinc alloy.

Example 4:

As shown in FIGS. 7-8 , the Type-C female electrical connector of this embodiment includes a metal shell 41 and an insulating body 43 . Terminals are inlaid on the insulating body 43 , and the number of terminals is established according to actual needs, which is common knowledge in the field and will not be repeated here. The metal casing 41 includes a metal casing body 411 . The front end of the metal housing main body 411 is provided with a blocking wall 412 , and the blocking wall 412 is in the shape of a straight wall. The Type-C female electrical connector further includes an outer waterproof portion 42 disposed on the outer side of the metal shell 41 , and the outer waterproof portion 42 abuts against the blocking wall 412 . The outer waterproof part 42 can be made of better waterproof silica gel, rubber and other materials.

The insulating body 43 includes a butt end and a mounting end 431 , and an annular groove is formed between the rear end 4111 of the metal shell body 411 and the tail of the mounting end 431 of the insulating body 43 . It should be noted that the rear end 4111 of the metal housing main body 411 is the rear end of the metal housing 41 , and the rear end surface of the installation end 431 of the insulating main body 43 is the rear end surface of the insulating main body 43 . The Type-C female electrical connector is also provided with an inner waterproof part 44, and the inner waterproof part 44 includes a waterproof layer 441 covering the rear end surface of the insulating body 43 and a rear waterproof interlayer 442 embedded in the annular groove. The middle part of the mounting end 431 of the insulating body 43 is also provided with an annular groove 433, and the mounting end 431 of the insulating body 43 is also provided with a channel 432 for glue to flow into the annular groove 433, and the channel 432 communicates with the annular groove 433. Groove 433, said annular groove 433 is provided with a middle waterproof interlayer 443. The inner waterproof part 44 can be made of materials such as waterproof glue, such as epoxy resin. Squeeze the waterproof glue to the rear end surface of the insulating body 43 and solidify to form a waterproof layer 441, and make the waterproof glue fill the annular groove and the annular groove 433 to form a rear waterproof interlayer 442 and a middle waterproof interlayer 443 after solidification. By providing the inner waterproof part 44 , moisture can be prevented from entering the electronic product from the gap between the insulating body 43 and the metal casing 41 . In this embodiment, the metal shell 41 can be processed by stamping and bending. The waterproof layer 441, the rear waterproof interlayer 442 and the middle waterproof interlayer 443 are integrally formed. Certainly, the inner waterproof part 44 may also use waterproof materials such as silica gel or rubber.

As a simple modification of this embodiment, the inner waterproof part may only include a middle waterproof interlayer.

Example 5:

As shown in FIGS. 9-11 , the Type-C female electrical connector of this embodiment includes a metal shell 51 and an insulating body 53 . Terminals and locks are inlaid on the insulating body 53. In this embodiment, the terminals include an upper row of terminals and a lower row of terminals. The number of terminals is established according to actual needs. This is common knowledge in the field and will not be described here. The Type-C female electrical connector is also provided with a shell 55 covering the metal shell 51 , and the shell 55 is connected to the metal shell 51 by spot welding. A front end of the casing 55 is provided with a blocking wall 551 , and a rear end of the casing 55 is provided with a connecting portion 552 . By providing the connecting portion 552 , the Type-C female electrical connector can be connected to the PCB board 900 through the connecting portion 552 . The Type-C female electrical connector is also provided with an outer waterproof part 52, the outer waterproof part 52 is arranged on the outside of the metal shell 51, and the outer waterproof part 52 is sleeved on the front end of the metal shell 51 512 and abut against the blocking wall 551 of the enclosure 55 . The outer waterproof part 52 can be made of better waterproof silica gel, rubber and other materials. As shown in Figure 11, when the Type-C receptacle electrical connector of this embodiment is installed on an electronic product, the structural member 800 of the electronic product and the blocking wall 551 clamp the outer waterproof part 52, thereby improving waterproofing. The role of performance. In this embodiment, the section of the barrier wall 551 is straight. As a simple modification of this embodiment, the section of the barrier wall is L-shaped to form a groove for accommodating the outer waterproof part.

The insulating body 53 includes a butt end and a mounting end 531 , and an annular groove is formed between the rear end 511 of the metal shell 51 and the tail of the mounting end 531 of the insulating body 53 . It should be noted that, the rear end surface of the mounting end 531 of the insulating body 53 is the rear end surface of the insulating body 53 . The Type-C female electrical connector is also provided with an inner waterproof part 54, and the inner waterproof part 54 includes a waterproof layer 541 covering the rear end surface of the insulating body 53 and a rear waterproof interlayer 542 embedded in the annular groove. The inner waterproof part 54 can be made of materials such as waterproof glue, such as epoxy resin. Squeeze the waterproof glue to the rear end surface of the insulating body 53 and solidify to form a waterproof layer 541 , and make the waterproof glue fill the annular groove and solidify to form a rear waterproof interlayer 542 . The waterproof layer 541 and the rear waterproof interlayer 542 are integrally formed. Of course, the inner waterproof part 54 can also use waterproof materials such as silica gel or rubber.

Embodiment 6:

As shown in FIG. 12 , the Type-C female electrical connector of this embodiment includes a metal shell 61 , an outer waterproof part 62 and an insulating body 63 . The insulating body 63 includes a butt end and a mounting end 631 . The Type-C female electrical connector also includes an inner waterproof part. In this embodiment, an annular groove is also provided between the front part of the mounting end 631 of the insulating body 63 and the metal shell 61. The inner The waterproof part includes a front waterproof interlayer 645 disposed in the annular groove.

It should be noted that, in all the above-mentioned embodiments, the outer waterproof part is set on the metal casing. As another way of realization, the outer waterproof part can also be injected onto the metal shell through injection molding process, so that the outer waterproof part and the metal shell are processed as one, the product structure is more compact, and the waterproof effect is better; The glue dispensing process is processed on the metal shell, so that the outer waterproof part and the metal shell are processed as one, the product structure is more compact, and the waterproof effect is better. The rear waterproof interlayer, the middle waterproof interlayer or the front waterproof interlayer in the above-mentioned embodiments, because they are completely clamped between the metal shell and the insulating body, will not fail due to factors such as temperature difference and water immersion, and the waterproof effect and stability are better. it is good.

The above are only preferred embodiments of the application, and are not used to limit the scope of implementation of the application, that is, all equivalent changes and modifications made according to the application are covered by the scope of the claims of the application, and are not intended here. Give another example.

Claims

A Type-C female electrical connector, comprising a metal shell and an insulating body, the insulating body is provided with terminals, wherein an inner waterproof part is provided between the metal shell and the insulating body, and the insulating body includes For the butt end and the installation end, an annular groove is provided in the middle of the installation end of the insulating body, and the inner waterproof part includes a middle waterproof interlayer embedded in the annular groove.
The Type-C female electrical connector according to claim 1, wherein the inner waterproof part comprises a waterproof layer covering the rear end surface of the insulating body.
The Type-C female electrical connector according to claim 1, wherein an annular groove is formed between the metal shell and the tail of the installation end of the insulating body, and the inner waterproof part is embedded in the annular groove The rear waterproof interlayer.
The Type-C female electrical connector according to claim 1, wherein the mounting end of the insulating body is further provided with a channel communicating with the annular groove.
The Type-C female electrical connector according to claim 1, wherein an annular groove is provided between the front part of the installation end of the insulating body and the metal shell, and the inner waterproof part includes a groove embedded in the annular groove. Trenched front waterproof interlayer.
The Type-C female electrical connector according to claim 1, wherein the material of the inner waterproof part is epoxy resin.
The Type-C female electrical connector according to claim 1, wherein the material of the inner waterproof part is UV glue, silica gel or rubber.