CN218005414U

CN218005414U - Electrical connector

Info

Publication number: CN218005414U
Application number: CN202220767165.1U
Authority: CN
Inventors: 朱跃龙; 尹海港
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-12-09
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses an electric connector for with have the butt joint connector cooperation of depressed part, electric connector includes insulator, the conductive terminal of fixing on insulator and is located the protective cradle at the vertical both ends of insulator, insulator is equipped with along the both sides wall of longitudinal extension and connects the both ends wall of both sides wall, and both sides wall and both ends wall enclose to establish and form the slot. Electric connector includes for the lateral wall around vertical pivot from the latch fitting, the protective cradle is fixed in on the end wall and the part hides and covers from the latch fitting, be equipped with connecting portion of pin joint on the lateral wall from the latch fitting portion of connecting portion, the one end projection income slot from connecting portion and extend insulator's the pressing portion from the other end of connecting portion. When the electric connector is matched with the butting connector, the locking part is buckled in the concave part, so that the butting connector is difficult to separate from the electric connector. The self-locking piece is arranged, so that the electric connector can realize the self-locking function.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector especially relates to an electric connector with self-locking function.

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 comprises a plug connector and a socket connector which are matched with each other, and the plug connector and the socket connector respectively comprise an insulating body extending along the longitudinal direction, conductive terminals fixed on the insulating body and protective supports positioned at two longitudinal ends of the insulating body. The protective bracket is used for improving the strength of each electric connector, and meanwhile, the plug connector and the socket connector are clamped through the protective bracket to realize stable matching between the electric connectors. However, as board-to-board connectors are applied in more and more fields, the engagement between the protection brackets in the existing board-to-board connectors cannot ensure good fit between the plug connector and the socket connector, so that the problem that the plug connector and the socket connector are not firmly matched and are loosened is easily caused.

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 from latch fitting, should make electric connector realize self-locking function from the latch fitting.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric connector is used for being matched with a butting connector with a concave part, and comprises an insulating body extending along the longitudinal direction, conductive 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 connecting the two side walls, and the two side walls and the two end walls are encircled to form inserting grooves. Electric connector include for the lateral wall is around vertical pivot from the latch fitting, the protective cradle is fixed in on the end wall and part hide and cover from the latch fitting, from the latch fitting be equipped with the pin joint in connecting portion on the lateral wall, from the one end projection of connecting portion is gone into the hasp portion of slot and certainly the other end of connecting portion extends insulator's the splenium of pressing. When the electric connector is matched with the butting connector, the locking part is buckled in the concave part, and when the electric connector is separated from the butting connector, the pressing part is operated to enable the locking part to be separated from the concave part.

In a preferred embodiment, the lateral wall is provided with a holding groove which is sunken downwards from the top surface, the holding groove transversely penetrates through the lateral wall and is communicated with the slot, and the connecting part of the self-locking part is accommodated in the holding groove and is pivoted on the lateral wall through a screw or a rotating shaft.

In a preferred embodiment, when the electrical connector is not mated with the mating connector, the extending direction of the connecting portion is inclined to the extending direction of the side wall, and the extending direction of the pressing portion is substantially parallel to the extending direction of the side wall.

In a preferred embodiment, the protection bracket includes an end wall reinforcing plate covering the end wall and a side wall reinforcing plate at least partially covering the side wall, the side wall reinforcing plate is connected to both ends of the end wall reinforcing plate in the transverse direction and is provided with a side wall top plate portion covering the top surface of the side wall and a side wall side plate portion bending and extending downward from the outer side of the side wall top plate portion in the transverse direction, and the side wall top plate portion is located above the connecting portion and the receiving groove.

In a preferred embodiment, the side wall side plate at least partially covers the outer wall surface of the side wall and is provided with a notch corresponding to the accommodating groove, and the other end of the connecting portion extends out of the insulating body from the notch.

In a preferred embodiment, the side wall reinforcing plate is provided with a stopper portion extending from a longitudinal end of the side wall side plate portion to be bent inward, and the stopper portion abuts against a lateral outer side of the locking portion.

In a preferred embodiment, the end wall reinforcing sheet is provided with an end wall top plate portion covering the top surface of the end wall, an end wall side plate portion bent and extended downward from the longitudinal outer side of the end wall top plate portion, and elastic arms extending from the lateral ends of the end wall side plate portion along the inner wall surfaces of the side walls, the elastic arms protrude into the insertion slot, and the locking portion is located on the longitudinal inner side of the elastic portion.

In a preferred embodiment, the side wall top plate portion is connected to both lateral ends of the end wall top plate portion to form a top surface shielding portion, the top surface shielding portion includes a horizontal portion disposed in parallel with the top surface of the insulating body and an inclined portion extending obliquely downward from an inner side edge of the horizontal portion, and the inclined portion is formed by drawing from the inner side edge of the horizontal portion.

In a preferred embodiment, the mating connector includes an insulator extending in a longitudinal direction and a mating terminal held on the insulator, the insulator is provided with two side portions extending in the longitudinal direction and two end portions connected to the two side portions, the recessed portion is formed by being recessed inward from lateral outer side surfaces of the side portions, and the recessed portion is located on both sides of the mating terminal in the longitudinal direction and is disposed adjacent to the end portions.

In a preferred embodiment, the mating connector includes a mating bracket fixed to the end portion, the mating bracket includes an end portion top plate portion covering the end portion top surface and an end portion side plate portion extending by being bent downward from the outer side in the lateral direction of the end portion top plate portion, the end portion side plate portion at least partially covers the lateral side surface of the end portion and includes a notch corresponding to the recessed portion.

Compared with the prior art, the utility model discloses following beneficial effect has: electric connector includes for the lateral wall around vertical pivot from the latch fitting, the protective cradle is fixed in on the end wall and the part hides and covers from the latch fitting, be equipped with connecting portion of pin joint on the lateral wall from the latch fitting portion of connecting portion, the one end projection income slot from connecting portion and extend insulator's the pressing portion from the other end of connecting portion. When the electric connector is matched with the butting connector, the locking part is buckled in the concave part, so that the butting connector is difficult to separate from the electric connector. Meanwhile, when the electric connector is separated from the butting connector, the pressing part can be separated from the locking part and the recessed part only by being operated, and the problem that the electric connector is detached during misoperation is further avoided. In summary, the arrangement of the self-locking piece enables the electric connector to realize the self-locking function.

Drawings

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

Fig. 2 is an exploded view of the electrical connector shown in fig. 1.

Fig. 3 is a top view of the electrical connector shown in fig. 1.

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

Fig. 5 is a perspective view of the docking connector according to the preferred embodiment of the present invention.

Fig. 6 is an exploded schematic view of the docking connector shown in fig. 5.

Detailed Description

Referring to fig. 1 to 6, 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 an insulative housing 10 extending along a longitudinal direction, conductive terminals 20 held on the insulative housing 10, protection brackets 30 located at two longitudinal ends of the insulative housing 10, and self-locking members 60 adjacent to the protection brackets 30. 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 portion 11, the two side walls 12 and the two end walls 13 together define a slot 14, that is, the island portion 11 is located in the slot 14, and the slot 14 can be used for inserting the docking connector 200.

Referring to fig. 2 to 4, the protection bracket 30 is assembled and fixed on the end wall 13 of the insulation body 10 from top to bottom to improve the overall strength of the electrical connector 100. The protective bracket 30 includes an end wall reinforcing plate 40 covering the end wall 13 and a side wall reinforcing plate 50 at least partially covering the side wall 12, and the side wall reinforcing plate 50 is connected to both lateral ends of the end wall reinforcing plate 40, thereby improving the strength of the electrical connector 100.

The end wall reinforcing sheet 40 is provided with an end wall top plate portion 41 covering the top surface of the end wall 13, an end wall inner plate portion 42 bent downward from the longitudinal inner side of the end wall top plate portion 41, an end wall side plate portion 43 bent downward from the longitudinal outer side of the end wall top plate portion 41, elastic arms 44 extending from both ends in the lateral direction of the end wall side plate portion 43 along the inner wall surface of the side wall 12, and welding legs 45 extending downward from the bottom edge of the end wall side plate portion 43. The end wall inner plate 42 covers the inner wall surface of the end wall 13, and the end wall side plate 43 covers the outer wall surface of the end wall 13, so as to enhance the strength of the end wall 13 of the insulating body 10. The end wall side plate 43 does not extend beyond the outer wall surface of the end wall 13, that is, the end wall side plate 43 does 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 13 is provided with a slot 17 which penetrates the end wall 13 along the longitudinal direction and is communicated with the slot 14, and the elastic arm 44 penetrates the slot 17 from the outer side surface of the end wall 13 and extends into the slot 14. The resilient arm 44 extends longitudinally within the side wall region, and a gap is formed between the resilient arm 44 and the inner wall surface of the side wall 12. Specifically, the side wall 12 is provided with a yielding groove 15 formed by inwards recessing the inner wall surface of the side wall, the yielding groove 15 is communicated with the slot 14, and the elastic arm 44 is accommodated in the yielding groove 15 so as to have enough movement space when the elastic arm 44 is elastically deformed. The elastic arm 44 is provided with a protrusion 441 protruding into the slot 14, so that the elastic arm 44 of the protection bracket 30 has a longer arm of force, which solves the problem of larger falling of the elastic arm after the electrical connector 100 is plugged and unplugged while ensuring the stable assembly of the electrical connector 100, and makes the electrical connector 100 contact stably and reliably when in use.

The side wall reinforcing plate 50 is provided with a side wall top plate 51 at least partially covering the top surface of the side wall 12, a side wall side plate 52 bent downward from the lateral outer side of the side wall top plate 51, and a stopper 53 bent inward from the longitudinal end of the side wall side plate 52. The side wall top plate portions 51 are connected to both lateral ends of the end wall top plate portion 41 so that the side wall reinforcing pieces 50 are formed integrally with the end wall reinforcing pieces 40. The side wall top plate 51 is located above the elastic arm 44, and thus functions to protect the elastic arm 44. In the present embodiment, the side wall top plate 51 is connected to both lateral ends of the end wall top plate 41 to form the top surface shielding portion 31.

The top surface shielding part 31 includes a horizontal part 32 disposed parallel to the top surface of the insulating body 10 and an inclined part 33 extending downward from an inner side edge of the horizontal part 32, and the inclined part 33 is formed by drawing from the inner side edge of the horizontal part 32. The inclined portion 33 is used for guiding the insertion of the mating connector 200 when the electrical connector 100 is plugged with the mating connector 200. After the inclined portion 33 is formed by drawing, the material of the inclined portion 33 is hardened by cold work hardening, so that the strength of the inclined portion 33 is increased and the guiding effect is obviously improved, that is, the protective bracket 30 has good guiding performance while ensuring the overall strength. The inclined portion 33 is provided to ensure that the overall size of the electrical connector 100 is not increased, and the protection bracket 30 may be made of a thicker material, so that the forward force and the current conduction force thereof are improved.

The side wall side plate 52 at least partially covers the outer wall surface of the side wall 12 and does not exceed the outer wall surface of the side wall 12, that is, the side wall side plate 52 does not increase the overall volume of the electrical connector 100 while enhancing the strength of the side wall 12 of the insulating body 10. The housing 10 is provided with a locking groove 16 on the outer wall of the side wall 12, and the side wall 52 is received in the locking groove 16 to enhance the stability of the protection bracket 30 fixed to the housing 10.

Referring to fig. 2 and 3, the self-locking element 60 is pivoted vertically relative to the sidewall 12 and includes a connecting portion 61 pivoted on the sidewall 12, a locking portion 62 protruding into the slot 14 from one end of the connecting portion 61, and a pressing portion 63 extending out of the insulating body 10 from the other end of the connecting portion 61, wherein the locking portion 62 is located at the inner side of the elastic portion 44 in the longitudinal direction. Specifically, the side wall 12 is provided with a receiving groove 18 recessed downward from the top surface, the receiving groove 18 transversely penetrates through the side wall 12 and is communicated with the slot 14, and the connecting portion 61 is received in the receiving groove 18 and is pivoted on the side wall 12 through a screw or a rotating shaft.

The protection bracket 30 partially covers the self-locking member 60, that is, the sidewall top plate 51 is located above the connecting portion 61 and the receiving groove 18, so that the self-locking member 60 is not pulled out when an external force is applied. The side wall side plate portion 52 is provided with a notch 521 corresponding to the receiving groove 18, and the other end of the connecting portion 61 extends out of the insulating body 10 from the notch 521. Meanwhile, when the electrical connector 100 is not mated with the mating connector 200, the extending direction of the connecting portion 61 and the extending direction of the side wall 12 are obliquely arranged, the extending direction of the pressing portion 63 and the extending direction of the side wall 12 are substantially parallel to each other, the locking portion 62 is located on the longitudinal inner side of the elastic portion 44, and the stopping portion 53 abuts against the transverse outer side of the locking portion 62 and has elasticity, so that the stopping portion 53 provides sufficient restoring elasticity for the locking portion 62.

Referring to fig. 5 to 6, the docking connector 200 includes an insulator 70 extending along a longitudinal direction, a docking terminal 80 held on the insulator 70, and docking brackets 90 located at two longitudinal ends of the insulator 70. The insulator 70 has two side portions 71 extending in the longitudinal direction and two end portions 72 connected to the side portions 71. The two side portions 71 and the two end portions 72 together define a receiving cavity 73, and the receiving cavity 73 is used for inserting the island portion 11 of the power connector 100. The insulator 70 is provided with recessed portions 74 at both longitudinal sides of the counterpart terminal 80, and the recessed portions 74 are disposed adjacent to the end portion 72 and are formed to be recessed inward from lateral outer surfaces of the side portions 71 for latching the self-locking member 60 of the power supply connector 100, thereby realizing a self-locking function of the board-to-board connector.

The abutting bracket 90 is fixed to the end portion 72 and includes an end top plate 91 covering the top surface of the end portion 72, an end side plate 92 bent and extended downward from the outer side in the lateral direction of the end top plate 91, and an end plate 93 bent and extended downward from the outer side in the longitudinal direction of the end top plate 91, the end side plate 92 covers the side surface of the end portion 72, and the end plate 93 covers the end surface of the end portion 72, so as to enhance the strength of the insulator 70. The end side plate portion 92 is provided with a notch 921 corresponding to the recessed portion 74 for facilitating the locking of the self-locking piece 60.

When the electrical connector 100 is mated with the mating connector 200, the insulator 70 is accommodated in the slot 14 of the insulating body 10, the locking portion 62 of the self-locking element 60 is pushed by the mating bracket 90 to move outward in the transverse direction until the electrical connector 100 is completely plugged into the mating connector 200, and at this time, the locking portion 62 is locked in the recess 74 of the insulator 70 by the restoring elastic force of the stopper 53, so that the mating connector 200 is difficult to separate from the electrical connector 100, thereby realizing the self-locking function of the electrical connector 100. When the electrical connector 100 is separated from the mating connector 200, the pressing portion 63 is pressed to drive the latching portion 62 to move laterally outward, so that the latching portion 62 is disengaged from the recess 74, and the mating connector 200 is separated from the electrical connector 100.

The utility model discloses in, electric connector 100 includes for lateral wall 12 around vertical pivot from latch fitting 60, protection support 30 is fixed in on end wall 13 and partially hides and covers from latch fitting 60, from latch fitting 60 be equipped with pin joint connecting portion 61 on lateral wall 12, from the one end projection of connecting portion 61 go into slot 14's hasp portion 62 and extend insulating body 10's the other end from connecting portion 61 according to pressing the portion 63. When the electrical connector 100 is mated with the mating connector 200, the latching portions 62 are latched in the recesses 74, so that the mating connector 200 is difficult to separate from the electrical connector 100. Meanwhile, when the electrical connector 100 is separated from the mating connector 200, the pressing portion 63 needs to be operated to separate the locking portion 62 from the recess 74, thereby avoiding the problem that the electrical connector 100 is detached during misoperation. In summary, the self-locking element 60 is disposed, so that the electrical connector 100 can achieve a self-locking function.

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 electric connector is used for being matched with a butting connector with a concave part, and comprises an insulating body extending along the longitudinal direction, conductive 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 connecting the two side walls, and the two side walls and the two end walls are encircled to form inserting grooves; the method is characterized in that: the electric connector comprises a self-locking piece which is pivoted around the vertical direction relative to the side wall, the protective bracket is fixed on the end wall and partially covers the self-locking piece, and the self-locking piece is provided with a connecting part pivoted on the side wall, a locking part which extends into the slot from one end of the connecting part and a pressing part which extends out of the insulating body from the other end of the connecting part; when the electric connector is matched with the butting connector, the locking part is buckled in the concave part, and when the electric connector is separated from the butting connector, the pressing part is operated to enable the locking part to be separated from the concave part.

2. The electrical connector of claim 1, wherein: the lateral wall is equipped with from the holding tank of top surface undercut, the holding tank is along transversely lining up the lateral wall and communicate in the slot, from the locking part connecting portion accept in the holding tank and through screw or pivot pin joint in on the lateral wall.

3. The electrical connector of claim 2, wherein: when the electric connector is not matched with the butting connector, the extending direction of the connecting part and the extending direction of the side wall are obliquely arranged, and the extending direction of the pressing part and the extending direction of the side wall are arranged in parallel.

4. The electrical connector of claim 2, wherein: the protective bracket comprises an end wall reinforcing sheet covering the end wall and at least a part of the end wall reinforcing sheet covering the side wall, the side wall reinforcing sheet is connected to the two transverse ends of the end wall reinforcing sheet and is provided with a side wall top plate part covering the top surface of the side wall and a side wall side plate part bent downwards and extending from the outer transverse side of the side wall top plate part, and the side wall top plate part is located above the connecting part and the accommodating groove.

5. The electrical connector of claim 4, wherein: the side wall side plate part at least partially covers the outer wall surface of the side wall and is provided with a notch corresponding to the accommodating groove, and the other end of the connecting part extends out of the insulating body from the notch.

6. The electrical connector of claim 4, wherein: the side wall reinforcing sheet is provided with a stopping part which is bent inwards from the longitudinal tail end of the side wall side plate part, and the stopping part is abutted against the transverse outer side of the locking part.

7. The electrical connector of claim 4, wherein: the end wall reinforcing sheet is provided with an end wall top plate part covering the top surface of the end wall, an end wall side plate part bending and extending downwards from the longitudinal outer side of the end wall top plate part, and elastic arms extending from the transverse two ends of the end wall side plate part along the inner wall surface of the side wall, the elastic arms protrude into the slot, and the locking part is located on the longitudinal inner side of the elastic arms.

8. The electrical connector of claim 7, wherein: the side wall top plate part is connected to the two transverse ends of the end wall top plate part to form a top surface shielding part, the top surface shielding part comprises a horizontal part and an inclined part, the horizontal part is parallel to the top surface of the insulating body, the inclined part extends from the inner side edge of the horizontal part in a downward inclined mode, and the inclined part is formed by drawing from the inner side edge of the horizontal part.

9. The electrical connector of claim 1, wherein: the butting connector comprises an insulator extending along the longitudinal direction and butting terminals held on the insulator, the insulator is provided with two side parts extending along the longitudinal direction and two end parts connected with the two side parts, the concave parts are formed by inwards recessing from the transverse outer side surfaces of the side parts, and the concave parts are positioned at the two longitudinal sides of the butting terminals and are arranged adjacent to the end parts.

10. The electrical connector of claim 9, wherein: the butting connector comprises a butting support fixed on the end part, the butting support is provided with an end part top plate part covering the top surface of the end part and an end part side plate part bent and extended downwards from the transverse outer side of the end part top plate part, and the end part side plate part at least partially covers the transverse side surface of the end part and is provided with a notch corresponding to the sunken part.