Plug connector and connector assembly
The one-piece stretchable, half-wrapped, hollow structure design solves the problem of weak terminal strength in board-to-board connectors, enhances terminal strength and EMI performance, and extends the service life of the connector.
Patent Information
- Application Number
- CN202422663095.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-01
AI Technical Summary
The terminals in existing board-to-board connectors are weak in strength, and the U-shaped portion is prone to glue leakage and deformation, resulting in functional failure.
It adopts an integrated stretched semi-wrapped stretched hollow structure design. The plug power terminal and plug EMI shell are set to an inverted U shape, and wrapping parts are set at the openings at both ends of the contact part to enhance the terminal strength and increase the large current heat dissipation area.
Improved terminal strength, reduced deformation, enhanced connector life and EMI performance, adapt to more scenarios.
Smart Images

Figure CN223462461U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric connector, especially a plug connector and connector assembly. BACKGROUND
[0002] For the electric connector installed in the terminal product machine, the fast charging is mainly the small board-to-board connector. Taking the mobile phone fast charging as an example, the connection between the mobile phone power board and the battery is realized, and the current transmitted by the board-to-board connector in a short time needs to be large enough, that is, the carrying capacity needs to be strong enough. The terminal in the existing board-to-board connector is bent and formed, the U-shaped bending part is weak, easy to open and difficult to control in the stamping process, the terminal strength is weak, the transportation and electroplating process are easy to change, the U-shaped part is easy to deform and run out of glue after molding in the plastic, the glue position of the head is less, the life of the plug-in U-shaped part is easy to open, leading to functional failure. SUMMARY
[0003] Based on the above technical problems, the plug connector and the connector assembly provided by the embodiment of the application can increase the large current area and the terminal strength, and prolong the service life of the connector.
[0004] In order to achieve the above purpose, the technical scheme adopted by the utility model is: a plug connector, comprising: a longitudinally extending plug insulating body, a plurality of plug power terminals installed on the longitudinal two side walls of the plug insulating body and a plug EMI shell installed on the transverse two end walls of the plug insulating body, the longitudinal side wall of each plug insulating body comprises a plurality of receiving walls arranged at intervals, the two sides of each receiving wall are provided with receiving columns, and a first avoiding gap is arranged between the receiving wall and the receiving column, the plug power terminal comprises a reverse U-shaped contact part, a first wrapping part is arranged at the opening of the two ends of the contact part, the contact part is buckled on the receiving wall, and the first wrapping part extends into the first avoiding gap and covers the two ends of the receiving wall.
[0005] Further, the first wrapping part covers at least half of the area of the opening of the two ends of the contact part.
[0006] Further, the contact part comprises a first long plate and a first short plate, and a first connecting part arranged on the top of the first long plate and the first short plate, the first short plate is wrapped on the outer side of the receiving wall, and a first fixing part is formed by bending 90 degrees outward from the bottom of the first long plate.
[0007] Further, a first protruding hole is arranged between the lower end of the receiving wall and the bottom plate of the plug insulating body, and the first fixing part protrudes from the first protruding hole.
[0008] Further, the plug EMI shell comprises a mounting portion in the shape of an inverted U, the mounting portion comprises a second short plate, a second long plate, and a second connecting portion arranged between the top of the second short plate and the second long plate, the two end walls of the plug insulating body are provided with a second avoiding gap, the plug EMI shell is mounted in the second avoiding gap, and part of the second connecting portion is exposed on the end wall of the insulating body.
[0009] Further, the side surface of the mounting portion in the shape of an inverted U is provided with a second wrapping portion, and the side surfaces of the second short plate and the second long plate are formed with an opening, and the second wrapping portion covers at least half of the area of the opening.
[0010] Further, the plug EMI shell further comprises a second fixing portion, the second fixing portion is bent outward by 90 degrees from the bottom edge of the second short plate and is formed in extension.
[0011] Further, the bottom end of the transverse two end walls of the plug insulating body is provided with a second protruding hole, the second fixing portion protrudes from the second protruding hole, the mounting portion is arranged in the second avoiding gap, and part of the mounting portion is exposed on the upper surface of the two end walls.
[0012] The application also provides a connector assembly comprising the plug connector as described above and a socket connector connected therewith, the socket connector comprising a longitudinally extending socket insulating body, a plurality of socket power terminals mounted on the longitudinal two side walls of the socket insulating body, and a socket EMI shell mounted on the transverse two end walls of the socket insulating body.
[0013] Further, the socket insulating body further comprises a central island portion in the socket insulating body, and the plurality of socket power terminals are arranged between the longitudinal two side walls of the socket insulating body and the central island portion and are electrically connected with the contact portions of the plug power terminals.
[0014] The plug connector in the application has the advantages that the plug power terminals and the plug EMI shell in the plug connector are arranged in a one-piece stretch type half-wrapping stretch hollow structure, the head stretch corner is fully wrapped without any gap, the terminal strength is enhanced, the plug connector is not easy to deform when buckled with the socket connector, and the application is suitable for a wide range of scenes. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the plug connector in the embodiment of the application;
[0016] Figure 2 FIG. 2 is a schematic diagram of the exploded structure of the plug connector in the embodiment of the application;
[0017] Figure 3 FIG. 3 is a schematic diagram of the structure of the plug insulating body in the embodiment of the application;
[0018] Figure 4 It is a structure schematic view of the plug power terminal in the embodiment of the utility model;
[0019] Figure 5 It is a structure schematic view of the plug EMI shell in the embodiment of the utility model;
[0020] Figure 6 It is a structure schematic view of the connector assembly in the embodiment of the utility model;
[0021] Figure 7 It is a cross section schematic view of the connector assembly in the embodiment of the utility model;
[0022] Figure 8 It is an exploded structure schematic view of the socket connector in the embodiment of the utility model;
[0023] The drawing mark: 1-plug connector, 2-socket connector, 10-plug insulating body, 11-plug power terminal, 12-plug EMI shell, 20-socket insulating body, 21-socket power terminal, 22-socket EMI shell, 100-accepting wall, 101-accepting column, 102-first avoiding gap, 103-first protruding hole, 104-second avoiding gap, 105-end wall, 106-second protruding hole, 107-bottom plate, 110-first short plate, 111-first long plate, 112-first connecting part, 113-first wrapping part, 114-first fixed part, 115-opening, 120-second long plate, 121-second short plate, 122-second connecting part, 123-second wrapping part, 124-second fixed part, 125-opening, 201-central island part Specific implementation
[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model is described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific implementation.
[0025] The plug connector and the connector assembly provided by the embodiment of the application solve the problems of weak terminal strength, easy glue running and open deformation at the U-shaped part of the terminal in the plate-to-plate connector in the prior art, and lead to functional failure. It should be noted that, in the application, the direction of the socket connector relative to the plug connector is up, upper, upper side, upper end, top, top end or top, and the opposite direction is down, lower, lower side, lower end, bottom, bottom end or bottom.
[0026] As Figures 1 to 5 shown in the embodiments of the present application: a plug connector 1, comprising: a longitudinally extending plug insulating body 10, a plurality of plug power terminals 11 mounted on the longitudinal two side walls of the plug insulating body 10 and a plug EMI shell 12 mounted on the transverse two end walls 105 of the plug insulating body 10, referring to Figure 2 , the longitudinal side wall of each plug insulating body 10 comprises a plurality of receiving walls 100 arranged at intervals, and each receiving wall 100 is provided with receiving columns 101 on both sides, and a first avoiding gap 102 is arranged between the receiving wall 100 and the receiving column 101. The plug power terminal 11 comprises a contact part in the shape of an inverted U, and a first wrapping part 113 is arranged at the two end openings 115 of the contact part, the contact part is buckled on the receiving wall 100, and the first wrapping part 113 extends into the first avoiding gap 102 and covers both ends of the receiving wall 100.
[0027] By arranging the plug power terminal 11 and the plug EMI shell 12 in the plug connector 1 as an integral stretch type half-enclosed stretch hollow structure, arranging the first wrapping part 113 at the two end openings 115 of the contact part, strengthening the terminal strength, and not easy to deform when buckling with the socket connector 2, the scene range is large; the integral stretch terminal can increase the heat dissipation area of large current.
[0028] Referring to Figure 4 , the first wrapping part 113 covers at least half of the area of the opening 115, the contact part comprises a first long plate 111 and a first short plate 110, and a first connecting part 112 disposed on the top of the first long plate 111 and the first short plate 110, and the first short plate 110 is wrapped on the outer side of the receiving wall 100, and a first fixing part 114 is formed by bending 90° outward from the bottom of the first long plate 111. A first protruding hole 103 is arranged between the lower end of the receiving wall 100 and the bottom plate 107 of the plug insulating body 10, for the first fixing part 114 to protrude therefrom.
[0029] Referring to Figure 5 , the plug EMI shell 12 comprises an installation part in the shape of an inverted U, specifically, the installation part comprises a second short plate 121, a second long plate 120, and a second connecting part 122 disposed between the top of the second short plate 121 and the second long plate 120, the transverse two end walls 105 of the plug insulating body 10 are provided with a second avoiding gap 104, the plug EMI shell 12 is installed in the second avoiding gap 104, part of the second connecting part 122 is exposed on the end wall 105 of the plug insulating body 10, and the second long plate 120 covers the outer side of the transverse end wall 105. The side of the installation part in the shape of an inverted U is provided with a second wrapping part 123, the side of the second short plate 121 and the second long plate 120 is formed with an opening 125, and the second wrapping part 123 covers at least half of the area of the two end openings 125 of the installation part.
[0030] The plug EMI shell 12 further comprises a second fixing portion 124, which is bent outwardly 90° from the bottom edge of the second short plate 121 and extends to form a second fixing portion 124, which extends from the bottom of the transverse two end walls 105 of the plug insulating body 10. The plug EMI shell 12 can increase the welding reliability, the glue is not easy to deform, the overall product structure strength is strengthened, and the integrally stretched plug EMI shell 12 can increase the EMI performance.
[0031] Specifically as Figure 3 , the bottom end of the plug insulating body 10 is provided with a second extension hole 106, the second fixing portion 124 extends from the second extension hole 106, the mounting portion is arranged in the second avoiding gap 104, and part of the mounting portion is exposed on the upper surface of the transverse two end walls 105.
[0032] As Figures 6-8 indicated, in another embodiment, a connector assembly is also provided, which comprises the plug connector 1 of the above-mentioned embodiment and the socket connector 2 connected therewith, the socket connector 2 comprises a longitudinally extending socket insulating body 20, a plurality of socket power terminals 21 mounted on the longitudinal two side walls of the socket insulating body 20, and a socket EMI shell 22 mounted on the transverse two end walls of the socket insulating body 20.
[0033] The socket insulating body 20 further comprises a central island portion 201 in the socket insulating body, and a plurality of socket power terminals 21 are arranged between the longitudinal two side walls of the socket insulating body 20 and the central island portion 201, and are electrically connected with the contact portions of the plug power terminals 11.
[0034] The technical features of the above-mentioned embodiments can be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the description.
[0035] The above-mentioned embodiments only express the implementation of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A plug connector, characterized in that The application relates to a plug connector and a socket connector matched with the plug connector. The first wrapping part covers at least half of the area of the opening at the two ends of the contact part.
2. The plug connector of claim 1, wherein: The contact part comprises a first long plate and a first short plate, and a first connecting part arranged on the top of the first long plate and the first short plate, the first short plate is wrapped on the outer side of the receiving wall, and a first fixing part is formed by 90-degree outward bending of the bottom of the first long plate.
3. The plug connector of claim 1, wherein: A first protruding hole is arranged between the lower end of the receiving wall and the bottom plate of the plug insulating body, and the first fixing part protrudes from the first protruding hole.
4. The plug connector of claim 3, wherein: The plug EMI shell comprises a reverse U-shaped mounting part, the mounting part comprises a second short plate, a second long plate, and a second connecting part arranged between the top of the second short plate and the second long plate, a second avoiding gap is arranged on the end wall of the plug insulating body, the plug EMI shell is arranged in the second avoiding gap, part of the second connecting part is exposed on the end wall of the insulating body, and the second long plate is wrapped on the outer side of the end wall.
5. The plug connector of claim 1, wherein: The side of the reverse U-shaped mounting part is provided with a second wrapping part, the side of the second short plate and the second long plate is formed with an opening, and the second wrapping part covers at least half of the area of the opening.
6. The plug connector of claim 5, wherein: The plug EMI shell further comprises a second fixing part, the second fixing part is formed by 90-degree outward bending and extension from the bottom edge of the second short plate.
7. The plug connector of claim 5, wherein: The bottom end of the transverse end wall of the plug insulating body is provided with a second protruding hole, the second fixing part protrudes from the second protruding hole, the mounting part is arranged in the second avoiding gap, and part of the mounting part is exposed on the upper surface of the end wall.
8. The plug connector of claim 7, wherein: The application relates to a plug connector and a socket connector matched with the plug connector.
9. A connector assembly characterized by: The socket insulating body further comprises a central island arranged in the socket insulating body, and a plurality of socket power terminals are arranged between the longitudinal two side walls of the socket insulating body and the central island and are electrically connected with the contact parts of the plug power terminals.
10. The connector assembly of claim 9, wherein: