Board-to-board connector and female end thereof

Abstract

The utility model discloses a board-to-board connector and its female terminal, including insulation base, female terminal signal terminal, metal reinforcement piece, central post protection sheet wherein the metal reinforcement piece includes protection frame body and protection wing, protection frame body is provided on the short side structure of insulation base, and the protection wing is provided on the short side structure of insulation base. The protection wings are arranged on the two sides of the protection frame body and extend along the long edge structure of the insulation base, elastic pieces are arranged on the protection wings, and the elastic pieces are connected to the outer sides of the protection wings and extend towards the inner sides of the protection wings in a bent mode. The elastic piece comprises a connecting arm connected with the protection wing, an elastic arm connected to the free end of the connecting arm, and a contact arm connected to the free end of the elastic arm. The technical problem that in the prior art, a contact cantilever on a metal reinforcing piece is prone to being crushed and losing efficacy when the male end and the female end are inserted oppositely is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to a board-to-board connector and a female end thereof. Background Art

[0002] With the rapid development of portable electronic devices, radio frequency connectors (such as board-to-board connectors) are widely used. Board-to-board connectors are used to connect different circuit boards. Board-to-board connectors include plug-in board-to-board male connectors and board-to-board female connectors. The male end and the female end are used to be installed on different circuit boards respectively.

[0003] The board-to-board female connector includes a seat body and a transmission terminal disposed on the seat body. The seat body includes a bottom plate and a center island and a surrounding wall disposed on the bottom plate, respectively. The surrounding wall is disposed along the edge of the bottom plate, the center island is located inside the surrounding wall, and a receiving cavity for at least partially receiving the board-to-board male connector is formed between the center island and the surrounding wall. In order to protect the seat body, a female metal reinforcement is generally disposed at the end of the seat body, and the female metal reinforcement includes a connected main body and a contact cantilever disposed on the main body.

[0004] In actual use, when the board-to-board male connector is not inserted into the board-to-board female connector in the forward direction, the contact cantilever is easily crushed and failed by the board-to-board male connector, causing damage to the board-to-board connector and affecting the service life of the board-to-board connector. Utility Model Content

[0005] The embodiment of the present application provides a board-to-board connector and a female end thereof, which solves the technical problem in the prior art that the contact cantilever is easily crushed and fails when the male and female ends are plugged into each other.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A female end of a board-to-board connector includes an insulating base, a female end signal terminal, a metal reinforcement, and a center column protection sheet.

[0008] The insulating base includes a pair of long side structures arranged oppositely, a pair of short side structures arranged oppositely and a middle island structure, wherein the middle island structure is located in a frame structure surrounded by the long side structure and the short side structure, and a terminal groove is arranged between the middle island structure and the long side structure, wherein the female signal terminal is fixed in the terminal groove.

[0009] The central column protection sheet comprises a protection portion and a fixing portion, wherein the protection portion covers the end of the central island structure, and the fixing portion is connected to the bottom plate of the frame structure to fix the central column protection sheet on the insulating base.

[0010] The metal reinforcement comprises a protective frame body and protective wings, wherein the protective frame body is arranged on the short side structure, the protective wings are arranged on both sides of the protective frame body and extend along the long side structure, and an elastic member is arranged on the protective wing, wherein the elastic member is connected to the outer side of the protective wing and bends and extends toward the inner side of the protective wing, and the elastic member comprises: a connecting arm connected to the protective wing, an elastic arm connected to the free end of the connecting arm, and a contact arm connected to the free end of the elastic arm, and the elastic arm is located directly below the protective wing.

[0011] Optionally, the connecting arm has a first protrusion, and a notch is provided at a position on the long side structure of the insulating base corresponding to the connecting arm, and the first protrusion is clamped in the notch.

[0012] Optionally, the elastic arm is U-shaped, and a receiving groove is provided at the lower inner side of the notch. The elastic arm is placed in the receiving groove and is located on the inner side of the protective wall.

[0013] Optionally, the protective wing includes a base, a welding portion formed by bending and extending the base outward, and a protective portion formed by bending and extending the base inward, and the elastic member is located between the welding portion and the protective portion.

[0014] Optionally, a guide portion formed by integral stretching is provided inwardly at a connection between the protection frame body and the protection wing, a gap is formed between the guide portion and the protection portion, and the contact arm is placed in the gap.

[0015] Optionally, the contact arm has a second protrusion, and the protrusion direction of the second protrusion is opposite to that of the first protrusion.

[0016] Optionally, the protection frame body is provided with an inner end surface protection sheet, and the end surface protection sheet is provided with a convex point facing the central island structure.

[0017] A board-to-board connector comprises a male end and the above-mentioned female end, wherein the male end comprises an insulating rubber core, a male end signal terminal, and a male end protection bracket, wherein the male end signal terminal is fixedly arranged on the insulating rubber core, and the male end protection bracket is arranged at both ends of the insulating rubber core. When the male end and the female end are engaged and plugged, the female end signal terminal and the male end signal terminal are electrically connected, and the male end protection bracket is electrically connected to the metal reinforcement.

[0018] Optionally, the male end protection bracket is provided with an outer end surface protection portion, and the outer end surface protection portion is provided with a groove, and the groove cooperates with a protrusion on the protection bracket body to form a locking structure.

[0019] The beneficial effect of the utility model is that: by setting the metal reinforcement including the protection frame body and the protection wing, the protection frame body is set on the short side structure of the insulating base, the protection wings are set on both sides of the protection frame body and extend along the long side structure of the insulating base, and the protection wings are provided with elastic parts, the elastic parts are connected to the outer side of the protection wings and bend and extend toward the inner side of the protection wings, and the elastic parts include: a connecting arm connected to the protection wing, an elastic arm connected to the free end of the connecting arm, and a contact arm connected to the free end of the elastic arm. The technical problem that the contact cantilever on the metal reinforcement in the prior art is easily crushed and fails when the male and female ends are plugged together is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of a board-to-board connector according to an embodiment of the utility model;

[0021] Figure 2 This is one of the cross-sectional schematic diagrams of the board-to-board connector according to an embodiment of the utility model;

[0022] Figure 3 This is a second cross-sectional schematic diagram of a board-to-board connector according to an embodiment of the present utility model;

[0023] Figure 4 This is a third cross-sectional schematic diagram of a board-to-board connector according to an embodiment of the present utility model;

[0024] Figure 5 It is a structural schematic diagram of the male end in an embodiment of the utility model;

[0025] Figure 6 It is an exploded schematic diagram of the male end in the embodiment of the utility model;

[0026] Figure 7 It is a schematic diagram of the structure of the female end in the embodiment of the utility model;

[0027] Figure 8 It is an exploded schematic diagram of the female end in the embodiment of the utility model;

[0028] Fig. 9 It is a cross-sectional schematic diagram of the female end in the embodiment of the utility model;

[0029] Fig.10 It is a schematic structural diagram of a metal reinforcement member in an embodiment of the utility model;

[0030] Fig.11 It is a cross-sectional schematic diagram of the metal reinforcement in the embodiment of the utility model.

[0031] The reference numerals in the drawings of the specification include:

[0032] Board-to-board connector-100, female end-200, insulating base-21, long side structure-211, short side structure-212, island structure-213, frame structure-214, terminal slot-215, notch-216, receiving slot-217, protective wall-218, female end signal terminal-22, metal reinforcement-23, protective frame body-231, inner end surface protective sheet-231A, bump-231B, protective wing-232, base-232A, welding part-2 32B, protective part-232C, elastic part-233, connecting arm-233A, elastic arm-233B, contact arm-233C, first protrusion-233D, second protrusion-233E, guide part-234, notch-235, center column protective sheet-24, protective part-241, fixing part-242, male terminal-300, insulating rubber core-31, male terminal signal terminal-32, male terminal protection bracket-33, outer end surface protective part-331, groove-332. DETAILED DESCRIPTION

[0033] The embodiment of the present application provides a board-to-board connector and a female end thereof, thereby solving the technical problem in the prior art that the contact cantilever on the metal reinforcement is easily crushed and fails when the male and female ends are plugged together.

[0034] The technical solution in the embodiment of the present application is to solve the above technical problems, and the overall idea is as follows:

[0035] The metal reinforcement includes a protection frame body and a protection wing, the protection frame body is arranged on the short side structure of the insulating base, the protection wings are arranged on both sides of the protection frame body and extend along the long side structure of the insulating base, and an elastic member is arranged on the protection wing, the elastic member is connected to the outer side of the protection wing and bends and extends toward the inner side of the protection wing, and the elastic member includes: a connecting arm connected to the protection wing, an elastic arm connected to the free end of the connecting arm, and a contact arm connected to the free end of the elastic arm. The technical problem that the contact cantilever on the metal reinforcement in the prior art is easily crushed and fails when the male and female ends are plugged together is solved.

[0036] In order to make the above-mentioned purposes, 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 conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0037] It should be noted that any directional indications in this application, such as front, back, left, right, up, down, inside, outside, front end, back end, left end, right end, upper part, lower part, left side, right side, longitudinal, transverse, axial, radial, front side, back side, etc., are all relative concepts.

[0038] like Figures 1 to 10 As shown, this is an embodiment of the present application:

[0039] A board-to-board connector 100 includes a male end 300 and a female end 200, wherein the male end 300 includes an insulating rubber core 31, a male signal terminal 32, and a male protection bracket 33, wherein the male signal terminal 32 is fixedly arranged on the insulating rubber core 31, and the male protection bracket 33 is arranged at both ends of the insulating rubber core 31, and the female end 200 includes an insulating base 21, a female signal terminal 22, a metal reinforcement 23, and a center column protection sheet 24. When the male end 300 and the female end 200 are mated and plugged, the female signal terminal 22 and the male signal terminal 32 are electrically connected, and the male protection bracket 33 is electrically connected to the metal reinforcement 23.

[0040] Specifically, the insulating base 21 includes a pair of relatively arranged long side structures 211, a pair of relatively arranged short side structures 212 and an island structure 213, the island structure 213 is located in a frame structure 214 surrounded by the long side structure 211 and the short side structure 212, a terminal groove 215 is provided between the island structure 213 and the long side structure 211, the female end signal terminal 22 is fixed in the terminal groove 215, the center column protection sheet 24 includes a protection portion 241 and a fixing portion 242, the protection portion 241 covers the end of the island structure 213, the fixing portion 242 is connected to the bottom plate of the frame structure 214 to fix the center column protection sheet 24 on the insulating base 21, the metal The reinforcement 23 includes a protection frame body 231 and a protection wing 232. The protection frame body 231 is arranged on the short side structure 212, and the protection wings 232 are arranged on both sides of the protection frame body 231 and extend along the long side structure 211. An elastic member 233 is arranged on the protection wing 232. The elastic member 233 is connected to the outer side of the protection wing 232 and bends and extends toward the inner side of the protection wing 232. The elastic member 233 includes: a connecting arm 233A connected to the protection wing 232, an elastic arm 233B connected to the free end of the connecting arm 233A, and a contact arm 233C connected to the free end of the elastic arm 233B. The elastic arm 233B is located directly below the protection wing 232.

[0041] By bending and extending the elastic member 233 from the outer side of the protective wing 232 toward the inner side of the protective wing 232 and placing the elastic arm 233B of the elastic member 233 directly under the protective wing 232, the elastic arm 233B is effectively shielded and protected, thereby preventing the elastic member 233 from being crushed and causing failure when the male and female sockets are plugged together.

[0042] Furthermore, the connecting arm 233A has a first protrusion 233D, and a notch 216 is provided at a position corresponding to the connecting arm 233A on the long side structure 211 of the insulating base 21, and the first protrusion 233D is clamped in the notch 216. The elastic arm 233B is U-shaped, and a receiving groove 217 is provided at the inner lower side of the notch 216, and the elastic arm 233B is placed in the receiving groove 217 and is located at the inner side of the protection wall 218. In this way, the elastic arm 233B can be protected and the strength of the insulating base can be increased. The contact arm 233C has a second protrusion 233E, and the protrusion direction of the second protrusion 233E is opposite to that of the first protrusion 233D.

[0043] Furthermore, the protection wing 232 includes a base 232A, a welding portion 232B formed by bending and extending the base 232A outward, and a protective portion 232C formed by bending and extending the base 232A inward, and the elastic member 233 is located between the welding portion 232B and the protective portion 232C.

[0044] Furthermore, a guide portion 218 formed by integral stretching is provided inwardly at the connection between the protection frame body 231 and the protection wing 232, a notch 235 is formed between the guide portion 234 and the protection portion 232C, and the contact arm 233C is placed in the notch 235. It can be understood that the contact arm 233C is placed in the notch 235, which can effectively protect the contact arm 233C and prevent it from being crushed and causing failure when the male and female sockets are plugged into each other.

[0045] Furthermore, the protection frame body 231 is provided with an inner end surface protection sheet 231A, and the inner end surface protection sheet 231A is provided with a convex point 231B facing the island structure 213. The male end protection bracket 33 is provided with an outer end surface protection portion 331, and the outer end surface protection portion 331 is provided with a groove 332, and the groove 332 cooperates with the convex point 231B on the protection frame body 231 to form a locking structure. In this way, the stability of the male and female sockets can be improved.

[0046] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-mentioned embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A female end of a board-to-board connector, characterized in that: Including insulating base, female signal terminal, metal reinforcement, center column protection sheet, The insulating base includes a pair of long side structures arranged oppositely, a pair of short side structures arranged oppositely and a middle island structure, wherein the middle island structure is located in a frame structure surrounded by the long side structure and the short side structure, and a terminal groove is arranged between the middle island structure and the long side structure, wherein the female signal terminal is fixed in the terminal groove. The central column protection sheet comprises a protection portion and a fixing portion, wherein the protection portion covers the end of the central island structure, and the fixing portion is connected to the bottom plate of the frame structure to fix the central column protection sheet on the insulating base. The metal reinforcement comprises a protective frame body and protective wings, wherein the protective frame body is arranged on the short side structure, the protective wings are arranged on both sides of the protective frame body and extend along the long side structure, and an elastic member is arranged on the protective wing, wherein the elastic member is connected to the outer side of the protective wing and bends and extends toward the inner side of the protective wing, and the elastic member comprises: a connecting arm connected to the protective wing, an elastic arm connected to the free end of the connecting arm, and a contact arm connected to the free end of the elastic arm, and the elastic arm is located directly below the protective wing.

2. The female end of the board-to-board connector according to claim 1, characterized in that: The connecting arm has a first protruding portion, and a position on the long side structure of the insulating base corresponding to the connecting arm has a notch, and the first protruding portion is clamped in the notch.

3. The female end of the board-to-board connector according to claim 2, characterized in that: The elastic arm is U-shaped, and a receiving groove is provided at the lower inner side of the notch. The elastic arm is placed in the receiving groove and is located at the inner side of the protection wall.

4. The female end of the board-to-board connector according to claim 3, characterized in that: The protection wing comprises a base, a welding portion formed by bending and extending the base outward, and a protection portion formed by bending and extending the base inward, and the elastic member is located between the welding portion and the protection portion.

5. The female end of the board-to-board connector according to claim 4, characterized in that: A guide portion formed by integral stretching is provided inwardly at the connection between the protection frame body and the protection wing, a notch is formed between the guide portion and the protection portion, and the contact arm is placed in the notch.

6. The female end of the board-to-board connector according to claim 5, characterized in that: The contact arm has a second protruding portion, and the protruding direction of the second protruding portion is opposite to that of the first protruding portion.

7. The female end of the board-to-board connector according to claim 6, characterized in that: The protection frame body is provided with an inner end surface protection sheet, and the end surface protection sheet is provided with a convex point facing the central island structure.

8. A board-to-board connector, characterized in that: It comprises a male end and a female end as described in any one of claims 1 to 7, wherein the male end comprises an insulating rubber core, a male end signal terminal, and a male end protection bracket, wherein the male end signal terminal is fixed on the insulating rubber core, and the male end protection bracket is arranged at both ends of the insulating rubber core, and when the male end and the female end are mated and plugged, the female end signal terminal and the male end signal terminal are electrically connected, and the male end protection bracket is electrically connected to the metal reinforcement.

9. The board-to-board connector according to claim 8, characterized in that: The male end protection bracket is provided with an outer end surface protection portion, and the outer end surface protection portion is provided with a groove, and the groove cooperates with the protrusion on the protection bracket body to form a locking structure.

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