CN220963906U

CN220963906U - Board-to-board connector assembly

Info

Publication number: CN220963906U
Application number: CN202322391729.3U
Authority: CN
Inventors: 尹海港; 朱跃龙
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-05-14
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses a board-to-board connector assembly, which comprises a connector female seat and a connector male seat which are mutually spliced together, wherein the connector female seat is arranged on a first circuit board, the connector female seat is arranged on a second circuit board, the second circuit board is provided with a through hole, the connector female seat comprises a first seat body, a plurality of first terminals and a first shielding shell which longitudinally extend, the connector male seat comprises a second seat body, a plurality of second terminals and a second shielding shell, the connector female seat further comprises a nut and a bolt, the nut is fixed on the second seat body, the bolt is locked with the nut after passing through the through hole, and the connector female seat and the connector male seat can be separated only after the nut and the bolt are separated, and are connected stably and reliably, so that connection looseness is difficult to occur, and the stability of an electric signal is ensured.

Description

Board-to-board connector assembly

Technical Field

The present utility model relates to a board-to-board connector assembly, and more particularly, to a board-to-board connector assembly having a metal shielding shell.

Background

Board-to-board connector assemblies have been used as a connector for interconnecting the surfaces of boards, the board-to-board connector assemblies comprising a set of connector female receptacles and connector male receptacles. The connector male housing is inserted into the connector female housing and the conductive terminals of the connector are brought into contact with each other. The prior art can refer to a board-to-board connector assembly disclosed in CN212485720U patent, which comprises a connector female seat and a connector male seat, and comprises an insulating seat body, a conductive terminal and a metal shielding shell body, wherein the conductive terminal is accommodated in the insulating seat body, and the shielding shell body surrounds the outer side of the insulating seat body, so that the signal shielding function of the connector is realized. The female seat of connector and the male seat of connector mainly rely on elastic extrusion force to realize fixedly, however, because fixed effect is weak, any slight external force or vibrations can all lead to the connection to become flexible to influence the stability of electrical signal.

Therefore, there is a need to design a new board-to-board connector assembly to solve the above-mentioned technical problems.

Disclosure of utility model

The utility model aims to provide a board-to-board connector assembly which is stable and reliable in connection.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the board-to-board connector assembly comprises a connector female seat and a connector male seat which are mutually spliced together, wherein the connector female seat is arranged on a first circuit board, the connector male seat is arranged on a second circuit board, the second circuit board is provided with a through hole, the connector female seat comprises a first longitudinally extending seat body, a plurality of first terminals and a first shielding shell surrounding the first seat body, the first terminals are arranged on the first seat body, the connector male seat comprises a second longitudinally extending seat body, a plurality of second terminals and a second shielding shell surrounding the second seat body, the second terminals are arranged on the second seat body, the first shielding shell is provided with a stretching seamless annular structure, and the annular structure is arranged outside the first seat body and the first terminals in a surrounding manner; the connector female seat further comprises a nut and a bolt, wherein the nut is fixed on the second seat body and is positioned in the annular structure of the second shielding shell, and the bolt penetrates through the through hole and then is locked with the nut.

Further improvement, the first circuit board is a flexible printed circuit board, and the second circuit board is a hard printed circuit board, so that the connector female seat and the connector male seat are conveniently butted with each other.

Further improvement, the first pedestal includes two first side walls, two first end walls, by first side wall and first slot that first end wall encloses, the nut is fixed in on the first baffle wall, with first slot longitudinal spacing.

Further improvement, two nuts are arranged and fixed at the two longitudinal ends of the first seat body, and the bolts and the nuts are locked one by one; the nut comprises a bottom plate and a cylinder extending upwards from the bottom plate, wherein the cylinder is provided with a threaded hole locked with the bolt.

Further improvement, the male seat of the connector is further provided with a yielding hole aligned with the through hole, the bottom plate and the cylinder are buried in the first end wall, and the cylinder part protrudes out of the first end wall and stretches into the yielding hole.

Further improved, the bottom plate is exposed to the bottom surface of the first base body and is used for being welded to the first circuit board.

Further improvement, the hole of stepping down is located on the second shielding shell.

Further improvement, the second shielding casing includes upper and lower hollow second framework, the second pedestal hold in the second framework, the second framework includes four second lateral walls, two third lateral walls that are the C shape, second diapire and connects the second lateral wall with the C shape roof at third lateral wall top, the third lateral wall is located the second lateral wall inboard, with the second lateral wall is parallel to each other, the hole of stepping down the second diapire.

Further improvement, the longitudinal both ends of second pedestal are equipped with the fixed orifices, second diapire inner is equipped with upwards buckles the inserted sheet that extends, the inserted sheet is used for upwards inserting and is fixed in the fixed orifices.

Further improvement, first shielding casing includes the first framework of sealed and upper and lower cavity all around, first pedestal hold in the first framework, first framework includes four first lateral walls that link to each other end to end and from first lateral wall bottom edge to the first diapire of inside bending extension, first lateral wall first diapire with be formed with an grafting space between the first pedestal, the second lateral wall peg graft in grafting space, arrange on the second lateral wall elasticity support and press the shell fragment of first lateral wall medial surface.

The connector female seat of the board-to-board connector assembly further comprises a nut and a bolt, wherein the nut is fixed on the second seat body, and the bolt is locked with the nut after penetrating through the through hole.

Drawings

Fig. 1 is a schematic view of a board-to-board connector assembly of the present utility model mounted on a circuit board.

Fig. 2 is a perspective view of a female connector holder according to the present utility model.

Fig. 3 is a perspective view of another angle of the female connector holder of the present utility model.

Fig. 4 is a perspective view of a first housing of the female connector housing of the present utility model.

Fig. 5 is a perspective view of a first terminal of a female connector housing of the present utility model.

Fig. 6 is a perspective view of a nut of the female connector housing of the present utility model.

Fig. 7 is a perspective view of a bolt of a female connector housing of the present utility model.

Fig. 8 is a perspective view of a first shield shell of the female connector holder of the present utility model.

Fig. 9 is a perspective view of a male connector housing of the present utility model.

Fig. 10 is a perspective view of a second housing of the male connector housing of the present utility model.

Fig. 11 is another perspective view of a second housing of the male connector housing of the present utility model.

Fig. 12 is a perspective view of a second terminal of the male connector housing of the present utility model.

Fig. 13 is a perspective view of a second shield shell of the female connector housing of the present utility model.

Detailed Description

Referring to fig. 1, the present utility model discloses a board-to-board connector assembly, which includes a connector female holder 100 and a connector male holder 200 that can be plugged together, wherein the connector female holder 100 is mounted on a first circuit board 300, the first circuit board 300 is a flexible board (i.e. a flexible printed circuit board), the connector male holder 200 is mounted on a second circuit board 400, the second circuit board 400 is a hard board (i.e. a rigid printed circuit board), the second circuit board 400 is provided with a plurality of through holes 405 longitudinally spaced apart, and the two existing butt-joint circuit boards are both hard boards, or most of the two butt-joint circuit boards are connected to the flexible board by adopting the connector male holder, and the connector female holder is connected to the flexible board; compared with the prior art, the connector female seat is connected with the flexible board, so that an operator can be better abutted when the connector female seat is installed, and the phenomenon of normal friction alignment caused by inaccurate abutting joint is prevented, so that the abrasion of the connector is reduced.

Referring to fig. 2 to 8, the connector female socket 100 includes an elongated first socket body 10, two rows of first terminals 20, a first shielding shell 30, two nuts 40 and two bolts 50. The first terminal 20 is accommodated in the first base 10, the first shielding shell 30 is wrapped around the first base 10, two nuts 40 are fixed at two longitudinal ends of the first base 10, and the bolts 50 are used for penetrating through the through holes 405 of the second circuit board 400 and then are locked with the nuts 40 one by one; in this embodiment, the first shielding shell 30 has a ring structure with a stretching connection-free gap, and the ring structure is enclosed outside the first base 10 and the first terminal 20, and the ring structure with a connection-free gap can achieve a better shielding effect on the first terminal 20, so as to prevent the transmission data from being disturbed.

The first seat body 10 includes two first side walls 11, two first end walls 12, a first slot 13 surrounded by the first side walls 11 and the first end walls 12, and a central island portion 14 located in the first slot 13, where the first side walls 11 and the first slot 13 respectively extend longitudinally, and are parallel to each other, and the first side walls 11 and the first end walls 12 are respectively spaced from the central island portion 14. The outer sides of the two first end walls 12 are respectively provided with concave holes 120 fixed with the first shielding shell 30.

The first terminal 20 includes a first fixing portion 21, a first contact portion 22 having a U-shape, and a first soldering leg 23 bent and extended outward from one end of the first fixing portion 21, and the other end of the first fixing portion 21 is connected to the first contact portion 22. The first fixing portion 21 is fixed to the first base 10, the first contact portion 22 is exposed to the first slot 13, and the first soldering leg 23 is exposed to the bottom surface of the first base 10 for soldering to the first circuit board 300.

The first shielding shell 30 extends longitudinally, and includes a first frame 31 with a closed periphery and hollow up and down, the first frame 31 includes four first side walls 311 connected end to end, a first bottom wall 312 bending and extending inwards from the bottom edge of the first side walls 311, and two C-shaped clamping walls 313 bending and extending upwards from the inner edge of the first bottom wall 312, the first bottom wall 312 is horizontally arranged, a hollow portion 314 penetrating the first bottom wall 312 up and down is provided, the clamping walls 313 are located at two longitudinal ends of the hollow portion 314, and are respectively formed by bending and extending upwards from the inner side walls of the hollow portion 314, and the two clamping walls 313 are longitudinally symmetrical. The first frame 31 further includes hooks 315 extending from the respective clamping walls 313 further upward and then bending downward and inward, and the hooks 315 are located in the first frame 31.

The first base 10 is fixed in the first frame 31 and extends into the hollow portion 314, the first bottom wall 312 and the clamping wall 313 clamp and fix the first base 10 together in the longitudinal direction and the transverse direction, the first side wall 311 and the first bottom wall 312 respectively enclose the first base 10 by 360 degrees, an inserting space 316 is formed between the first side wall 311, the first bottom wall 312 and the first base 10, the inserting space 316 is a rectangular channel, and the first welding leg 23 of the first terminal 20 is located in the hollow portion 314. The hook 315 is inserted and fixed into the concave hole 120 of the first housing 10 downward, so as to prevent the first housing 10 from moving up and down relative to the first shielding housing 30.

The nut 40 is formed by drawing and stretching, and comprises a bottom plate 41 and a cylinder 42 extending upwards from the bottom plate 41, wherein the bottom plate 41 and the cylinder 42 are assembled or embedded in the first end wall 12 of the first base 10, the cylinder 42 partially protrudes upwards from the first end wall 12, the bottom surface of the bottom plate 41 is exposed out of the first base 10 and is used for being welded on the first circuit board 300, an embedded foot 410 extending upwards is arranged at the edge of the bottom plate 41, the embedded foot 410 is embedded in the plastic of the first end wall 12, and the fixing strength of the nut 40 and the first base 10 is increased. The cylinder 42 is provided with a threaded hole 43 for locking with the bolt 50.

The bolt 50 includes a head 51 having an outer diameter larger than an inner diameter of the through hole 405 of the second circuit board 400, and a screw 52 for locking with the screw hole 43 of the nut 40.

Referring to fig. 9 to 13, the male connector housing 200 includes an elongated second housing 60, a plurality of second terminals 70 and a second shielding shell 80.

The second seat 60 includes two second side walls 61, two second end walls 62, and a second slot 63 between the two second side walls 61 and the two second end walls 62, where the second side walls 61 and the second slot 63 extend longitudinally. The bottom surface of the second side wall 61 is provided with a fixing hole 610.

The second terminals 70 are arranged in two rows and are arranged on the second side wall 61, and each second terminal 70 includes a second contact portion 72 having an inverted U shape and a second soldering leg 73 bent and extended outwards from one end of the second contact portion 72.

In this embodiment, the second shielding shell 80 has a ring structure with a stretching gap, and the ring structure is enclosed outside the second base 60 and the second terminal 70 and inserted into the first shielding shell, that is, the ring structure of the second shielding shell 80 includes a second frame 81 with a hollow top and bottom, and the second frame 81 includes four second side walls 811 connected end to end, two third side walls 812 with a C shape, a second bottom wall 813, and a C-shaped top wall 814 connected to the top of the second side walls 811 and the third side walls 812. The second base 60 is fixed in the second frame 81, and the second side wall 811 surrounds the second base 60 by 360 degrees. The second side wall 811 is provided with a plurality of elastic pieces 8110 arranged at intervals so as to be more tightly matched with the female connector seat, and the third side wall 812 is positioned at the inner side of the second side wall 811 and at the two longitudinal ends of the second shielding shell 80 and is parallel to the second side wall 811. The second bottom wall 813 is vertically connected with the third side wall 812, the second bottom wall 813 is provided with a yielding hole 815 penetrating up and down, the longitudinal inner end edge is provided with an inserting sheet 816 extending in an upward bending manner and used for being inserted and fixed into the fixing hole 610 of the second seat body 60, and the yielding hole 815 is located outside the second seat body 60 and is longitudinally spaced from the second seat body 60.

When the connector female socket 100 and the connector male socket 200 are butted together, the central island 14 of the first socket 10 is inserted into the second slot 63 of the second socket 60, the second side wall 61 of the second socket 60 is inserted into the first slot 13 of the first socket 10, the first contact portion 22 of the first terminal 20 and the second contact portion 72 of the second terminal 70 are in one-to-one electrical contact, the second side wall 811 of the second shield shell 80 is inserted into the plugging space 316 of the connector female socket 100, each elastic piece 8110 is elastically pressed against the inner side surface of the first side wall 311, the first shield shell 30 and the second shield shell 80 are also electrically connected, the cylinder 42 of the nut 40 extends into the yielding hole 815, the screw rod 52 of the bolt 50 passes through the through hole 405 of the second circuit board 400 and then is locked with the nut 40, the connector male socket 200 is clamped between the connector female socket 100 and the second circuit board 400, and only the nut 40 and the bolt 50 are separated from the connector female socket 100 and the connector male socket 200; and the nut 40 and the bolt 50 are positioned in the seamless annular structures of the connector female seat 100 and the connector male seat 200, and the matched bolt and nut can be better shielded after locking.

Although the preferred embodiments of the present utility model have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.

Claims

1. The board-to-board connector assembly comprises a connector female seat and a connector male seat which are mutually spliced together, wherein the connector female seat is arranged on a first circuit board, the connector male seat is arranged on a second circuit board, the second circuit board is provided with a through hole, the connector female seat comprises a first longitudinally extending seat body, a plurality of first terminals and a first shielding shell surrounding the first seat body, the first terminals are arranged on the first seat body, the connector male seat comprises a second longitudinally extending seat body, a plurality of second terminals and a second shielding shell surrounding the second seat body, and the second terminals are arranged on the second seat body; the method is characterized in that: the first shielding shell is provided with a stretching seamless annular structure, and the annular structure is arranged outside the first base body and the first terminal in a surrounding manner; the connector female seat further comprises a nut and a bolt, wherein the nut is fixed on the second seat body and is positioned in the annular structure of the second shielding shell, and the bolt penetrates through the through hole and then is locked with the nut.

2. The board-to-board connector assembly of claim 1, wherein: the first circuit board is a flexible printed circuit board, and the second circuit board is a hard printed circuit board, so that the connector female base and the connector male base are conveniently butted with each other.

3. The board-to-board connector assembly of claim 1, wherein: the first seat body comprises two first side walls, two first end walls and a first slot surrounded by the first side walls and the first end walls, and the nut is fixed on the first baffle wall and is longitudinally spaced from the first slot.

4. The board-to-board connector assembly of claim 3, wherein: the two nuts are arranged and fixed at the two longitudinal ends of the first seat body, and the bolts and the nuts are locked one by one; the nut comprises a bottom plate and a cylinder extending upwards from the bottom plate, wherein the cylinder is provided with a threaded hole locked with the bolt.

5. The board-to-board connector assembly of claim 4, wherein: the male seat of the connector is further provided with a yielding hole aligned with the through hole, the bottom plate and the cylinder are buried in the first end wall, and the cylinder part protrudes out of the first end wall and stretches into the yielding hole.

6. The board-to-board connector assembly of claim 4, wherein: the bottom plate is exposed to the bottom surface of the first base body and is used for being welded to the first circuit board.

7. The board-to-board connector assembly of claim 5, wherein: the abdication hole is arranged on the second shielding shell.

8. The board-to-board connector assembly of claim 5, wherein: the second shielding shell comprises a second frame body which is hollow up and down, the second seat body is accommodated in the second frame body, the second frame body comprises four second side walls which are connected end to end, two third side walls which are C-shaped, a second bottom wall and a C-shaped top wall which is connected with the top of the second side walls and the third side walls, the third side walls are positioned on the inner sides of the second side walls and are parallel to the second side walls, and the yielding holes are formed in the second bottom wall.

9. The board-to-board connector assembly of claim 8, wherein: the second seat body is provided with fixing holes at two longitudinal ends, the inner end edge of the second bottom wall is provided with an inserting sheet which is bent upwards and extends, and the inserting sheet is used for being inserted upwards and fixed in the fixing holes.

10. The board-to-board connector assembly of claim 8, wherein: the first shielding shell comprises a first frame body which is sealed all around and hollow up and down, the first base body is accommodated in the first frame body, the first frame body comprises four first side walls which are connected end to end and a first bottom wall which is bent and extended inwards from the bottom edge of the first side walls, an inserting space is formed between the first side walls, the first bottom wall and the first base body, the second side walls are inserted in the inserting space, and elastic sheets which elastically abut against the inner side surfaces of the first side walls are arranged on the second side walls.