CN211530238U

CN211530238U - Electrical connector

Info

Publication number: CN211530238U
Application number: CN202020282542.3U
Authority: CN
Inventors: 成波; 陈高
Original assignee: Kunshan Huile Precision Industry Co ltd
Current assignee: Kunshan Huile Precision Industry Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-09-18
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses an electric connector, including insulator, the fixing is in insulator's terminal and be located the protective cradle at insulator both ends, insulator is equipped with along longitudinal extension's both sides wall and connects in the both ends wall of both sides wall, the protective cradle covers the end wall reinforcing sheet in the end wall and covers the lateral wall reinforcing sheet in the lateral wall including covering, the end wall reinforcing sheet includes that the end wall top surface shields the portion and shields the portion from the inboard downwardly extending's of end wall top surface shielding portion end wall inner wall, the lateral wall reinforcing sheet is equipped with the lateral wall top surface and shields the portion and shields the inboard downwardly extending's of portion from the lateral wall top surface lateral wall inner wall reinforcing portion. The side wall inner wall reinforcing parts are connected to the two transverse ends of the end wall inner wall shielding part and are provided with slots and contact parts located below the slots, and the slots extend to the end wall inner wall shielding part to enable the contact parts to be in a cantilever structure. The contact part is of a cantilever structure, so that the contact part has elasticity, hard interference when the electric connector is plugged is avoided, and the stability of contact during plugging is ensured.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector especially relates to an electric connector that can stabilize plug.

Background

A Board to Board Connector (BTB) is a Connector often used in electronic devices (e.g., mobile phones, tablet computers, etc.), and is used to mechanically and electrically interconnect a main Board of the electronic device and modules (e.g., a display module, a touch module, a camera module, etc.). The board-to-board connector generally comprises two parts, namely a plug connector and a socket connector, wherein the plug connector and the socket connector are both composed of a plastic body and conductive terminals fixed on the plastic body, the plastic body mainly plays a role in insulating and positioning the conductive terminals, and the conductive terminals mainly play a role in conducting. Generally, the plug connector and the socket connector of the board-to-board connector can also add a protection bracket to improve the strength of the board-to-board connector, and the protection bracket of the socket connector can be plugged into and locked with the protection bracket of the plug connector. The protective bracket of the socket connector is fixed on the plastic body and is provided with a contact part which is locked with the protective bracket of the plug connector. However, since the contact portion of the protection bracket of the receptacle connector is usually attached to the sidewall of the plastic body, the contact portion of the receptacle connector is worn under the influence of hard interference after being inserted and pulled out many times, and the force attenuation of the contact portion is significant, so that the contact stability of the board to the board connector is poor.

It is therefore desirable to provide a new electrical connector that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector with protective cradle, this protective cradle have improved the stability of contact when pegging graft when having guaranteed electric connector self intensity.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric connector comprises an insulating body extending along the longitudinal direction, terminals fixed on the insulating body and protective supports positioned at the two longitudinal ends of the insulating body, wherein the insulating body is provided with two side walls extending along the longitudinal direction and two end walls connected with the two side walls, and the protective supports are fixed on the end walls and comprise end wall reinforcing sheets covering the end walls and side wall reinforcing sheets at least partially covering the side walls. The end wall reinforcing sheet comprises an end wall top surface shielding part covering the top surface of the end wall and an end wall inner wall shielding part bending and extending downwards from the longitudinal inner side of the end wall top surface shielding part, the side wall reinforcing sheet is provided with a side wall top surface shielding part covering the top surface of the side wall and a side wall inner wall reinforcing part bending and extending downwards from the inner side of the side wall top surface shielding part, and the side wall top surface shielding part is connected to the two transverse ends of the end wall top surface shielding part. The side wall inner wall reinforcing parts are connected to the two transverse ends of the end wall inner wall shielding parts, the side wall inner wall reinforcing parts are provided with longitudinal slots and contact parts located below the slots, and the slots extend to the end wall inner wall shielding parts to enable the contact parts to be of cantilever structures.

In a preferred embodiment, the side wall reinforcing sheet is connected to both lateral ends of the end wall reinforcing sheet, the end wall inner wall shielding portion is formed by drawing the end wall reinforcing sheet, and the side wall inner wall reinforcing portion is formed by drawing the side wall reinforcing sheet.

In a preferred embodiment, the side wall inner wall reinforcement extends in the longitudinal direction in the side wall region and at least partially covers the inner wall surface of the side wall, and a gap is formed between the side wall inner wall reinforcement and the inner wall surface of the side wall.

In a preferred embodiment, the side wall of the insulating body is provided with a relief groove corresponding to the side wall inner wall reinforcing part, and the relief groove is formed by recessing from an inner wall surface of the side wall.

In a preferred embodiment, the slot is communicated with the receding groove and longitudinally extends on the side wall inner wall reinforcing part, and one longitudinal end of the slot penetrates through the side wall inner wall reinforcing part while the other longitudinal end does not penetrate through the side wall inner wall reinforcing part.

In a preferred embodiment, the slot extends through one end of the side wall inner wall reinforcement to the end wall inner wall shield and is partially disposed on the end wall inner wall shield.

In a preferred embodiment, the two end walls and the two side walls of the insulating body are surrounded to form a slot, and the contact portion is provided with a protruding portion protruding into the slot.

In a preferred embodiment, the end wall reinforcing sheet includes an end wall outer wall shielding portion extending from a longitudinal outer side of the end wall top surface shielding portion in a downward bending manner, and the end wall inner wall shielding portion and the end wall outer wall shielding portion respectively shield inner and outer wall surfaces of the end wall.

In a preferred embodiment, the end wall top surface shield does not extend beyond the top surface of the end wall, the outer surface of the end wall outer wall shield does not extend beyond the outer wall surface of the end wall, and the end wall outer wall shield extends downwardly beyond the bottom surface of the insulating body.

In a preferred embodiment, the side wall reinforcing sheet is provided with a side wall outer wall shielding part which is bent downward from the outer side of the side wall top surface shielding part, and the side wall outer wall shielding part covers the outer wall surface of the side wall and does not exceed the outer wall surface of the side wall.

Compared with the prior art, the utility model discloses following beneficial effect has: the side wall inner wall reinforcing parts are connected to the two transverse ends of the end wall inner wall shielding parts, the side wall inner wall reinforcing parts are provided with longitudinal slots and contact parts located below the slots, and the slots extend to the end wall inner wall shielding parts to enable the contact parts to be of cantilever structures. The protective bracket adopts a drawing forming structure, so that the strength of the electric connector is effectively improved; the contact part is of a cantilever structure, so that the contact part has elasticity, hard interference when the electric connector is plugged is avoided, and the contact stability during plugging is ensured.

Drawings

Fig. 1 is a perspective view of a board-to-board connector according to a preferred embodiment of the present invention.

Fig. 2 is a perspective view of the electrical connector in the board-to-board connector shown in fig. 1.

Fig. 3 is a schematic perspective view of another angle of the electrical connector shown in fig. 2.

Fig. 4 is a perspective view of a protective bracket in the electrical connector shown in fig. 2.

Fig. 5 is a sectional view of the board-to-board connector shown in fig. 1 when it is plugged.

Detailed Description

Referring to fig. 1-2, a preferred embodiment of the present invention discloses a board-to-board connector, which includes an electrical connector 100 and a mating connector 200 that are mated with each other. The electrical connector 100 includes a housing 10 extending along a longitudinal direction, a terminal 20 fixed on the housing 10, and a protection bracket 30 at two longitudinal ends of the housing 10. The insulating body 10 is provided with a central island portion 11 extending in a longitudinal direction, two side walls 12 located on both lateral sides of the island portion 11, and two end walls 13 connected to the two side walls 12. The island 11, the two side walls 12 and the two end walls 13 together define a slot 14, i.e. the island 11 is located in the slot 14, and the slot 14 is used for inserting the docking connector 200.

The protection bracket 30 is assembled and fixed on the end wall 13 of the insulation body 10 to improve the overall strength of the electrical connector 100. As shown in fig. 3 and 4, the protective bracket 30 is provided with an end wall reinforcing plate 31 covering the end wall 13 and a side wall reinforcing plate 32 at least partially covering the side wall 12, and the side wall shielding plates 32 are connected to both lateral ends of the end wall shielding plate 31. The end wall reinforcing sheet 31 includes an end wall top surface shielding portion 311 covering the top surface of the end wall 13, an end wall inner wall shielding portion 312 extending from the longitudinal inner side of the end wall top surface shielding portion 311 in a downward bending manner, and an end wall outer wall shielding portion 313 extending from the longitudinal outer side of the end wall top surface shielding portion 311 in a downward bending manner, and the end wall inner wall shielding portion 312 is formed by drawing the end wall reinforcing sheet 31. The end wall inner wall shielding portion 312 shields the inner wall surface of the end wall 13 and the end wall outer wall shielding portion 313 shields the outer wall surface of the end wall 13.

The end wall top surface shielding part 311 does not exceed the top surface of the end wall 13 and the outer surface of the end wall outer wall shielding part 313 does not exceed the outer wall surface of the end wall 13, that is, the end wall top surface shielding part 311 and the end wall outer wall shielding part 313 do not increase the overall volume of the electrical connector 100 while increasing the strength of the end wall 13 of the insulating body 10. The end wall reinforcing plate 31 further includes a soldering foot 314 extending downward from the bottom end of the end wall outer wall shielding portion 313, i.e. the end wall outer wall shielding portion 313 extends downward beyond the bottom surface of the insulating housing 10, and the soldering foot 314 can be fixedly mounted on a circuit board (not shown) electrically connected to the electrical connector 100.

The sidewall reinforcement sheet 32 is provided with a sidewall top surface shielding portion 321 covering the top surface of the sidewall 12, a sidewall inner wall reinforcement portion 35 extending from the inner side of the sidewall top surface shielding portion 321 in a downward bending manner, and a sidewall outer wall shielding portion 323 extending from the outer side of the sidewall top surface shielding portion 321 in a downward bending manner, wherein the sidewall inner wall reinforcement portion 35 is formed by drawing the sidewall reinforcement sheet 32. The sidewall inner wall reinforcing portion 35 at least partially covers the inner wall surface of the sidewall 12, and the sidewall outer wall shielding portion 323 at least partially covers the outer wall surface of the sidewall 12 and does not exceed the outer wall surface of the sidewall 12, i.e., the sidewall outer wall shielding portion 323 does not increase the overall volume of the electrical connector 100 while improving the strength of the sidewall 12 of the insulating housing 10.

The sidewall top surface shielding portions 321 are connected to both lateral ends of the end wall top surface shielding portion 311, and the sidewall inner wall reinforcing portions 35 are connected to both lateral ends of the end wall inner wall shielding portion 313. The side wall inner wall reinforcement 35 is provided with a longitudinal slot 351 and a contact portion 352 below the slot 351, and the slot 351 extends to the end wall inner wall shielding portion 312 so that the contact portion 352 is in a cantilever structure. The contact portion 352 is provided with a protrusion 353 protruding into the slot 14 for interfacing with the protection bracket 60 of the docking connector 200. In the present invention, the protective bracket 30 adopts a drawing structure, which effectively improves the strength of the electrical connector 100; and the contact portion 352 is in a cantilever structure, so that the contact portion 352 has elasticity, thereby avoiding hard interference when the electrical connector 100 is plugged, and further ensuring the stability of contact during plugging.

The side wall inner wall reinforcement 35 extends in the longitudinal direction in the region of the side wall 12, a gap being formed between the side wall inner wall reinforcement 35 and the inner wall surface of the side wall 12. The side wall 12 of the insulating body 10 is provided with a receding groove 16 corresponding to the side wall inner wall reinforcing part 35, and the receding groove 16 is formed by recessing from the inner wall surface of the side wall 12, so that the contact part 352 has a sufficient movement space when being elastically deformed, thereby avoiding hard interference. The utility model discloses in, slot 351 communicates in the groove of stepping down 16 and along longitudinal extension on lateral wall inner wall reinforcement 35, lateral wall inner wall reinforcement 35 is run through to the vertical one end of slot 351 and the other end does not run through lateral wall inner wall reinforcement 35, so that contact portion 352 forms cantilever structure. The slot 351 extends through one end of the side wall inner wall reinforcement 35 to the end wall inner wall shielding portion 312 and is partially disposed on the end wall inner wall shielding portion 312.

As shown in fig. 5, when the electrical connector 100 is mated with the mating connector 200, the contact portion 352 is mated with the protection bracket 60 of the mating connector 200 to achieve a stable elastic contact, so as to achieve a current conduction function. The contact portion 352 is of a cantilever structure, so that the contact portion 352 has elasticity, thereby avoiding hard interference when the electrical connector 100 is plugged, and further ensuring the stability of contact during plugging. Meanwhile, the sidewall stiffener 32 is further provided with a soldering portion 324 extending downward from the bottom end of the sidewall shielding portion 323, i.e. the sidewall shielding portion 323 extends downward beyond the bottom surface of the housing 10, and the soldering portion 324 can be fixedly mounted on a circuit board (not shown) electrically connected to the electrical connector 100.

In summary, the above is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the content of the specification should still belong to the scope covered by the present invention.

Claims

1. An electrical connector comprises an insulating body extending along a longitudinal direction, terminals fixed on the insulating body and protective brackets positioned at two longitudinal ends of the insulating body, the insulating body is provided with two side walls extending along the longitudinal direction and two end walls connected with the two side walls, the protective bracket is fixed on the end wall and comprises an end wall reinforcing sheet covering the end wall and a side wall reinforcing sheet at least partially covering the side wall, the end wall reinforcing sheet comprises an end wall top surface shielding part covering the top surface of the end wall and an end wall inner wall shielding part bent and extended downwards from the longitudinal inner side of the end wall top surface shielding part, the side wall reinforcing sheet is provided with a side wall top surface shielding part covering the top surface of the side wall and a side wall inner wall reinforcing part bending and extending downwards from the inner side of the side wall top surface shielding part, and the side wall top surface shielding part is connected to the two transverse ends of the end wall top surface shielding part; the method is characterized in that: the side wall inner wall reinforcing parts are connected to the two transverse ends of the end wall inner wall shielding parts, the side wall inner wall reinforcing parts are provided with longitudinal slots and contact parts located below the slots, and the slots extend to the end wall inner wall shielding parts to enable the contact parts to be of cantilever structures.

2. The electrical connector of claim 1, wherein: the side wall reinforcing sheet is connected to the two transverse ends of the end wall reinforcing sheet, the end wall inner wall shielding part is formed by drawing the end wall reinforcing sheet, and the side wall inner wall reinforcing part is formed by drawing the side wall reinforcing sheet.

3. The electrical connector of claim 1, wherein: the side wall inner wall reinforcing part extends in the longitudinal direction in the side wall area and at least partially covers the inner wall surface of the side wall, and a gap is formed between the side wall inner wall reinforcing part and the inner wall surface of the side wall.

4. The electrical connector of claim 3, wherein: the side wall of the insulating body is provided with a yielding groove corresponding to the reinforcing part of the inner wall of the side wall, and the yielding groove is formed by sinking the inner wall surface of the side wall.

5. The electrical connector of claim 4, wherein: the slot communicate in the groove of stepping down just along longitudinal extension on the lateral wall inner wall rib, the vertical one end of slot runs through the lateral wall inner wall rib and the other end does not run through the lateral wall inner wall rib.

6. The electrical connector of claim 5, wherein: the slot penetrates through one end of the side wall inner wall reinforcing part, extends to the end wall inner wall shielding part and is partially arranged on the end wall inner wall shielding part.

7. The electrical connector of claim 1, wherein: the two end walls and the two side walls of the insulating body are surrounded to form a slot, and the contact part is provided with a protruding part protruding into the slot.

8. The electrical connector of claim 1, wherein: the end wall reinforcing sheet comprises an end wall outer wall shielding part which is bent downwards from the longitudinal outer side of the end wall top surface shielding part, and the end wall inner wall shielding part and the end wall outer wall shielding part are respectively shielded on the inner wall surface and the outer wall surface of the end wall.

9. The electrical connector of claim 8, wherein: the end wall top surface shielding part does not exceed the top surface of the end wall, the outer surface of the end wall outer wall shielding part does not exceed the outer wall surface of the end wall, and the end wall outer wall shielding part extends downwards to exceed the bottom surface of the insulating body.

10. The electrical connector of claim 1, wherein: the side wall reinforcing sheet is provided with a side wall outer wall shielding part which is bent downwards and extends from the outer side of the side wall top surface shielding part, and the side wall outer wall shielding part covers the outer wall surface of the side wall and does not exceed the outer wall surface of the side wall.