Board-to-Board Connectors

Abstract

A board-to-board connector, used for electrically connecting to a docking circuit board, comprises an insulating body, a plurality of conductive terminals and a protective frame, wherein the insulating body is formed with an insertion space opening upward, the protective frame is combined with both ends of the insulating body in the length direction and is located outside the arrangement range of the plurality of conductive terminals, the protective frame comprises an upper end wall portion, an end inner wall portion and an elastic wall portion, the upper end wall portion is combined with the upper surface of both ends of the insulating body in the length direction and is located outside the arrangement range of the plurality of conductive terminals, the end inner wall portion extends in the up-down direction and is located at both ends of the length direction of the insulating body, the elastic wall portion is formed by extending the end inner wall portion, and the elastic wall portion can be elastically displaced along the width direction of the insulating body. The socket connector of the present application has better structural stability.

Description

[Technical field]

[0001] The present application relates to a board-to-board connector. [Background technology]

[0002] A board-to-board connector usually consists of two parts: a plug and a socket. Both the plug and the socket consist of a plastic body and a conductive terminal fixed on the plastic body. The plastic body mainly serves to insulate and position the conductive terminal, and the conductive terminal mainly serves to transmit signals. Usually, the plug and socket of the existing board-to-board connector will also add a protective bracket to enhance their own strength. At the same time, the protective bracket can also serve as a retaining force when the plug and the socket are connected. In some prior arts, the protective bracket can also be used as a current terminal. Therefore, the requirements for the bonding strength between the protective bracket and the plastic body, the length of the elastic arm force arm on the protective bracket, and the overall structural strength and stability of the board-to-board connector combined with the protective bracket are relatively high, especially under the current design trend of increasingly miniaturized board-to-board connectors.

[0003] Therefore, it is necessary to propose a new design form to achieve better results. [Summary of the invention]

[0004] The purpose of the present application is to provide a new board-to-board connector with better structural stability.

[0005] The purpose of this application is achieved through the following technical solutions:

[0006] A board-to-board connector, used for electrically connecting to a docking circuit board, comprises an insulating body, a plurality of conductive terminals and a protective frame, wherein the insulating body is formed with an insertion space opening upward, wherein the insertion space is for inserting a docking connector, the insulating body comprises a bottom wall fitted with the docking circuit board and two side walls extending upward from both sides of the bottom wall in the length direction, wherein the plurality of conductive terminals are arranged and combined on the side walls, and the protective frame is combined at both ends of the insulating body in the length direction and is located outside the arrangement range of the plurality of conductive terminals.

[0007] The protection frame includes an upper end wall portion, an inner end wall portion and an elastic wall portion.

[0008] The upper end wall is combined with the upper surfaces of both ends of the insulating body in the length direction and is located outside the arrangement range of the conductive terminals.

[0009] The end inner wall portion extends in the up-down direction and is located at two ends of the length direction of the insulating body.

[0010] The end inner wall, the bottom wall and the side wall are jointly arranged to define and form the insertion space.

[0011] The elastic wall portion is formed by extending the end inner wall portion, at least part of the elastic wall portion extends along the length direction of the insulating body, and at least part of the elastic wall portion can be elastically deformed along the width direction of the insulating body.

[0012] A contact portion is formed on the elastic wall portion and at least partially protrudes into the insertion space.

[0013] Furthermore, both ends of the end inner wall portion along the width direction of the insulating body are directly bent and extended to form the elastic wall portion, and the elastic wall portion extends along the length direction of the insulating body.

[0014] Furthermore, a side edge of the end inner wall portion adjacent to the docking circuit board extends in a direction away from the plug-in space to form a connecting portion, and a side edge of the connecting portion away from the end inner wall portion is bent upward to extend to form an end outer wall portion, and the end outer wall portion is directly bent and extended at both ends along the width direction of the insulating body to form the elastic wall portion.

[0015] Furthermore, the elastic wall portion extends along the length direction of the insulating body, the elastic wall portion is located at the inner wall surface positions of both ends of the side wall along the length direction of the insulating body, and the contact portion is formed by protruding from a local position of the elastic wall portion into the insertion space.

[0016] Furthermore, notches are formed at both ends of the insulating body along the length direction at the positions of the end inner wall portions, and the notches connect the plug-in space with the outside along the length direction of the insulating body.

[0017] Furthermore, it also includes a support frame, which is integrated into the two ends of the insulating body in the length direction and is located outside the arrangement range of several of the conductive terminals. The support frame includes a bottom wall protection plate integrated into the bottom wall of the insulating body through integrated molding, and a side wall combining plate formed by bending and extending the end edge position of the bottom wall protection plate along the width direction of the insulating body, and the side wall combining plate is integrated into the side wall.

[0018] Furthermore, the end edge position of the bottom wall protection plate along the length direction of the insulating body is further extended to form a connecting portion, and the connecting portion protrudes out of the insulating body along the length direction of the insulating body.

[0019] Furthermore, the bottom wall protection plate and the bottom wall are provided with a clearance opening at the end edge along the length direction of the insulating body, the clearance opening passes through the bottom wall protection plate along the up-down direction, and the connecting portion is located in the clearance opening.

[0020] Furthermore, the insulating body also includes an island wall formed by protruding upward from the middle position of the bottom wall, and the island wall is located between the two side walls along the width direction of the insulating body. The support frame also includes an island wall protection plate formed by extending from the bottom wall, and the island wall protection plate is integrated with the end face of the island wall along the length direction of the insulating body through integral molding. The upper end edge of the island wall protection plate away from one end of the docking circuit board is further folded back toward the docking circuit board and extended to form an embedded portion, and the embedded portion is correspondingly buried in the two ends of the island wall along the length direction, and the embedded portion is further extended from one end adjacent to the docking circuit board to form an embedded docking portion protruding outside the lower surface of the bottom wall.

[0021] Furthermore, each of the upper end wall portions includes two side wall protection portions and an end protection portion connecting the ends of the two side wall protection portions, the two side wall protection portions are correspondingly combined with the upper surfaces of the two ends of the side wall along the length direction of the insulating body and are located outside the arrangement range of the several conductive terminals, and each of the side wall protection portions is bent downward and extended away from the plug-in space at a side edge to form a side wall outer wall portion, and the side wall outer wall portion is correspondingly combined with the outer surfaces of the two ends of the side wall along the length direction of the insulating body and is located outside the arrangement range of the several conductive terminals.

[0022] Compared with the prior art, the board-to-board connector of the present application has better structural stability.

Brief Description of the Drawings

[0023] Figure 1 This is a three-dimensional schematic diagram of the board-to-board connector of the present application;

[0024] Figure 2 It is a partial three-dimensional exploded view of the first embodiment of the board-to-board connector of the present application, which specifically shows a three-dimensional schematic diagram after two protection frames and one support frame are separated from the insulating body;

[0025] Figure 3 yes Figure 2 A three-dimensional diagram from another angle;

[0026] Figure 4 is a cross-sectional view of the board-to-board connector of the present application;

[0027] Figure 5 yes Figure 4 The cross-sectional view shown is a perspective schematic diagram viewed from another angle. [Specific implementation method]

[0028] The following will be combined with the attached Figures 1 to 4 The specific implementation of the board-to-board connector of the present application is introduced.

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0030] In addition, in the description of the application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "combined" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the application can be understood according to specific circumstances.

[0031] In the description of the present application, it should be understood that the terms "include" and "have" and any variations thereof used herein are intended to be combined with non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0032] Please refer to Figures 1 to 5 As shown, a board-to-board connector disclosed in the present application is used for electrically connecting to a docking circuit board (not shown), including an insulating body 1, a plurality of conductive terminals 2 and a protective frame 3. The insulating body 1 is formed with an upwardly opening insertion space 10, and the insertion space 10 is for inserting a docking connector. The insulating body 1 includes a bottom wall 11 that fits the docking circuit board, two side walls 12 formed by extending upward from both sides of the length direction of the bottom wall 11, and an island wall 13 formed by protruding upward from the middle position of the bottom wall 11. Along the width direction of the insulating body 1, the island wall 13 is located between the two side walls 12. A plurality of the conductive terminals 2 are arranged and combined on the side walls 12. The protective frame 3 is combined at both ends of the length direction of the insulating body 1 and is located outside the arrangement range of the plurality of the conductive terminals 2.

[0033] Please refer to Figures 2 to 4 As shown, the protection frame 3 includes an upper end wall portion 31, an end inner wall portion 32 and an elastic wall portion 33. The upper end wall portion 31 is combined with the upper surface of the two ends of the length direction of the insulating body 1 and is located outside the arrangement range of the plurality of the conductive terminals 2. The end inner wall portion 32 extends in the up-down direction and is located at the two ends of the length direction of the insulating body 1. The end inner wall portion 32, the bottom wall 11, the side wall 12 and the island wall 13 are jointly defined to form the plug-in space 10. The end inner wall portion 32 is formed by bending and extending the inner edge of the upper end wall portion 31 adjacent to the plug-in space 10.

[0034] Please refer to Figures 1 to 5As shown, the side edge of the end inner wall portion 32 adjacent to the docking circuit board extends in a direction away from the plug-in space 10 to form a connecting portion 34, and the side edge of the connecting portion 34 away from the end inner wall portion 32 is bent upward to extend to form an end outer wall portion 35. The end outer wall portion 35 is directly bent and extended at both ends along the width direction of the insulating body 1 to form the elastic wall portion 33, and the elastic wall portion 33 extends along the length direction of the insulating body 1. The elastic wall portion 33 is located at the inner wall surface position of the two ends of the side wall 12 along the length direction of the insulating body 1. The contact portion 331 is formed by a local position of the elastic wall portion 33 protruding into the plug-in space 10. The upper side edge of the end outer wall portion 35 is not connected to the outer edge of the upper end wall portion 31 (specifically, the outer edge of the end protection portion 312 described below). In this embodiment, the connecting portion 34 is used to be welded and fixed to the docking circuit board.

[0035] Of course, the elastic wall portion 33 may also have other embodiments (not shown), for example: the end inner wall portion 32 is directly bent and extended at both ends along the width direction of the insulating body 1 to form the elastic wall portion 33, the elastic wall portion 33 extends along the length direction of the insulating body 1, and the elastic wall portion 33 can be elastically displaced along the width direction of the insulating body 1. The contact portion 331 is formed on the elastic wall portion 33 and at least partially protrudes into the plug-in space 10 for contacting the docking connector.

[0036] Please refer to Figures 2 to 5 As shown, the insulating body 1 has notches 101 formed at the positions of the end inner wall portions 32 at both ends along the length direction, and the notches 101 connect the plug-in space 10 with the outside along the length direction of the insulating body 1. The embodiment of the present application is as follows: the insulating body is not provided with an end wall structure connecting the two side walls 12. The notches 101 are used to make way for the end inner wall portion 32, the connecting portion 34 and the end outer wall portion 35.

[0037] Please refer to Figures 1 to 5As shown, the board-to-board connector of the present application also includes a support frame 4, which is integrated into the two ends of the insulating body 1 in the length direction and is located outside the arrangement range of the several conductive terminals 2. The support frame 4 includes a bottom wall protection plate 41 integrated into the bottom wall 11 of the insulating body 1 and a side wall combining plate 42 formed by bending and extending the end edge position of the bottom wall protection plate 41 along the width direction of the insulating body 1. The side wall combining plate 42 is integrated into the side wall 12, and the bottom wall protection plate 41 is further extended along the end edge position of the length direction of the insulating body 1 to form a connecting portion 43. The connecting portion 43 protrudes out of the insulating body 1 along the length direction of the insulating body 1. The connecting portion 43 is used to connect with the material strip and is a material breaking position in the process. The bottom wall protection plate 41 and the bottom wall 11 are provided with a clearance opening 411 at the end edge positions along the length direction of the insulating body 1 . The clearance opening 411 passes through the bottom wall protection plate 41 in the up-down direction. The connecting portion 34 is located in the clearance opening 411 .

[0038] Furthermore, the support frame 4 also includes an island wall protection plate 44 formed by extending from the bottom wall 11, and the island wall protection plate 44 is integrated with the end face of the island wall 13 along the length direction of the insulating body 1 by integral molding. The upper end edge of the island wall protection plate 44 away from one end of the docking circuit board is further folded back toward the docking circuit board and extended to form an embedded portion 441. The embedded portion 441 is correspondingly embedded in both ends of the island wall 14 along the length direction, and the embedded portion 441 is further extended from one end adjacent to the docking circuit board to form an embedded docking portion 3015 protruding from the lower surface of the bottom wall 11.

[0039] The upper end wall portion 31 in the present application includes two side wall protection portions 311 and an end protection portion 312 connecting the ends of the two side wall protection portions 311. The two side wall protection portions 311 are correspondingly combined with the upper surfaces of the two ends of the side wall 12 along the length direction of the insulating body 1 and are located outside the arrangement range of the several conductive terminals 2. Each side wall protection portion 311 is bent downward and extended from one side edge away from the plug-in space 10 to form a side wall outer wall portion 3111. The side wall outer wall portion 3111 is correspondingly combined with the outer surfaces of the two ends of the side wall 12 along the length direction of the insulating body 1 and is located outside the arrangement range of the several conductive terminals 2. The end inner wall portion 32 is formed by bending and extending the inner edge of the end protection portion 312 adjacent to the plug-in space 10.

[0040] The present application provides a support frame 4 to enhance the structural strength of the insulating body 1. In addition, the protective frame 3 of the board-to-board connector is designed to extend the elastic wall portion 33 from the end inner wall portion 32, so that the elastic wall portion 33 has a longer effective length design path, that is, the elastic wall portion 33 can be designed to be longer under the smaller overall profile of the board-to-board connector.

[0041] In addition, this application Figures 1 to 5 The embodiment shown in is a preferred embodiment, which ensures that the elastic wall portion 33 has a longer design path, and separates the elastic wall portion 33 and the upper end wall portion 31 through a connection portion 34 welded to the docking circuit board, so that the elastic wall portion 33 and the upper end wall portion 31 will not affect the other due to elastic displacement, thereby ensuring the structural stability of the entire board-to-board connector.

[0042] In summary, the above are only preferred embodiments of the present application, and should not be used to limit the scope of the present application. That is, all simple equivalent changes and modifications made according to the claims and description of the present application should still belong to the present application.

Claims

1. A board-to-board connector, for electrically connecting to a docking circuit board, comprising an insulating body, a plurality of conductive terminals and a protective frame, wherein the insulating body is formed with an upwardly opening insertion space, wherein the insertion space is for inserting a docking connector, the insulating body comprises a bottom wall in contact with the docking circuit board and two side walls formed by extending upwardly from both sides of the length direction of the bottom wall, wherein the plurality of conductive terminals are arranged and combined on the side walls, and the protective frame is combined at both ends of the length direction of the insulating body and is located outside the arrangement range of the plurality of conductive terminals, wherein: The protection frame includes an upper end wall portion, an end inner wall portion and an elastic wall portion; Each of the upper end wall portions includes two side wall protection portions and an end protection portion connecting the ends of the two side wall protection portions, the two side wall protection portions are correspondingly combined with the upper surfaces of the two ends of the side wall along the length direction of the insulating body and are located outside the arrangement range of the plurality of conductive terminals; The end inner wall portion is formed by bending and extending downwardly from the inner side edge of the end protection portion adjacent to the insertion space; A connecting portion is formed by extending from a side edge of the end inner wall portion adjacent to the mating circuit board in a direction away from the insertion space; The end outer wall portion is formed by bending and extending upwardly from one side edge of the connecting portion away from the end inner wall portion; The end outer wall portion and the end inner wall portion are spaced apart, and the end protection portion and the connecting portion are spaced apart; The elastic wall portion is formed by bending and extending the two ends of the end outer wall portion along the width direction of the insulating body into the insertion space, and the elastic wall portion extends along the length direction of the insulating body; The upper end wall portion is combined with the upper surfaces of both ends of the insulating body in the length direction and is located outside the arrangement range of the plurality of conductive terminals; The end inner wall portion, the end outer wall portion, the end protection portion and the connection portion are located at two end positions in the length direction of the insulating body; The end inner wall portion, the bottom wall and the side wall are jointly arranged to define and form the insertion space; The elastic wall portion can be elastically displaced along the width direction of the insulating body; A contact portion is formed on the elastic wall portion and at least partially protrudes into the insertion space.

2. The board-to-board connector according to claim 1, wherein: The elastic wall portion is located at the inner wall surface positions of both ends of the side wall along the length direction of the insulating body, and the contact portion is formed by protruding from a local position of the elastic wall portion into the plug-in space.

3. The board-to-board connector according to claim 1 or 2, characterized in that: The two ends of the insulating body along the length direction form notches at the positions of the end inner wall parts, and the notches connect the plug-in space along the length direction of the insulating body with the outside world; The end inner wall portion, the end outer wall portion, and the connecting portion are accommodated in the notch, and the end protection portion is sealed above the notch.

4. The board-to-board connector according to claim 3, wherein: It also includes a support frame, which is integrated with the two ends of the insulating body in the length direction and is located outside the arrangement range of several of the conductive terminals. The support frame includes a bottom wall protection plate integrated with the bottom wall of the insulating body through integrated molding and a side wall connecting plate formed by bending and extending the end edge position of the bottom wall protection plate along the width direction of the insulating body, and the side wall connecting plate is integrated with the side wall through integrated molding.

5. The board-to-board connector according to claim 4, wherein: The end edge position of the bottom wall protection plate along the length direction of the insulating body is further extended to form a connecting portion, and the connecting portion protrudes out of the insulating body along the length direction of the insulating body.

6. The board-to-board connector according to claim 4, wherein: The bottom wall protection plate and the bottom wall are provided with a clearance opening at the end edge position along the length direction of the insulating body. The clearance opening passes through the bottom wall protection plate and the bottom wall in the up-down direction. The connecting portion is located in the clearance opening and exposed downward.

7. The board-to-board connector according to claim 4, wherein: The insulating body also includes an island wall formed by protruding upward from the middle position of the bottom wall. Along the width direction of the insulating body, the island wall is located between the two side walls. The support frame also includes an island wall protection plate formed by extending from the bottom wall. The island wall protection plate is integrated with the end surface of the island wall along the length direction of the insulating body through integral molding. The upper end edge of the island wall protection plate away from the docking circuit board is further folded back and extended toward the docking circuit board to form an embedded portion. The embedded portion is correspondingly embedded in the two ends of the island wall along the length direction. The embedded portion is further extended from one end of the docking circuit board to form an embedded docking portion protruding out of the lower surface of the bottom wall.

8. The board-to-board connector according to claim 1, wherein: Each of the side wall protection portions is bent downward along a side edge away from the plug-in space along the width direction of the insulating body to form a side wall outer wall portion, which is correspondingly combined with the outer surfaces of the two ends of the side wall along the length direction of the insulating body and is located outside the arrangement range of several of the conductive terminals.

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