CN210074208U

CN210074208U - Board-to-board socket

Info

Publication number: CN210074208U
Application number: CN201921260689.6U
Authority: CN
Inventors: 张少灿
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-02-14
Anticipated expiration: 2029-08-06

Abstract

A board-to-board socket comprises a socket body, a plurality of socket signal terminals, socket power terminals and a socket fixing piece, wherein the socket signal terminals, the socket power terminals and the socket fixing piece are inserted into the socket body, the socket fixing piece is formed on the socket body, the socket fixing piece comprises a bottom wall, a socket peripheral wall, a central island portion and a pair slot, the socket peripheral wall extends upwards from the periphery of the bottom wall, the central island portion protrudes upwards from the middle of the bottom wall, the pair slot is formed between the central island portion and the socket peripheral wall, the socket peripheral wall comprises a socket transverse wall and a socket longitudinal wall, the socket fixing piece comprises a spanning portion, a butt joint arm and a welding portion, the spanning portion is formed on the socket longitudinal wall, the butt joint arm is bent downwards from the inner side of the spanning portion and extends into the; the application board can transmit large current to the board socket.

Description

Board-to-board socket

Technical Field

The present application relates to the field of connectors, and more particularly, to a board-to-board socket.

Background

The board-to-board connector is initially used for connecting a display screen and a mainboard, a camera and the mainboard and the like and is used for transmitting communication signals; with the increase of applications, the board-to-board connector starts to be applied to the transmission of electric energy, such as for connecting a battery with a motherboard to transmit current, at this time, the current carrying capacity of the terminals of the board-to-board connector is improved, that is, a product in which the power terminal is widened to increase the cross-sectional area to carry large current appears; but the ability of the widened power supply terminal to carry current is still limited.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a board-to-board socket for transmitting large currents.

For solving above-mentioned technical problem, the application provides a board to board socket, including socket ontology, cartridge in a plurality of socket signal terminal, socket power supply terminal and the shaping on the socket ontology in socket stationary blade on the socket ontology, the socket ontology includes the diapire, from the diapire periphery upwards extends the socket peripheral wall that forms, certainly upwards the central island portion of protrusion formation in the middle of the diapire and form in central island portion with to the slot between the socket peripheral wall, the socket peripheral wall includes horizontal wall of socket and the vertical wall of socket, the socket stationary blade including the shaping in stride across the portion on the vertical wall of socket, certainly the inboard downward bending extension of stride across the portion is formed in to the butt joint arm in the slot and certainly the outside downward bending extension of stride across portion is perpendicular the welding part of bending formation again.

Preferably, the docking arm includes a first docking portion formed by bending and extending downward from an inner side of the spanning portion, a bending portion formed by bending and extending upward from a bottom of the first docking portion, and a second docking portion formed by bending and extending upward from the bending portion, and the first docking portion and the second docking portion are arranged on an inner side of the socket longitudinal wall and on a lateral outer side of the central island portion.

Preferably, the material escaping hole is formed in the middle of the first butt joint part and the bending part in a cutting mode.

Preferably, the docking arm further comprises a guide portion formed by folding outward from a free end of the second docking portion.

Preferably, the socket fixing piece further comprises an extension portion which is bent from two ends of the spanning portion, extends and is formed in the transverse wall of the socket, and the extension portion is provided with a third butt joint portion.

Preferably, the extension portion includes a fixing portion formed in the transverse wall of the socket and extending after being bent vertically from two ends of the spanning portion, a folded portion formed by being bent reversely from a top of the fixing portion, and a third abutting portion located on an inner wall surface of the transverse wall of the socket and extending downward from the folded portion, and a projection is formed on an inner wall surface of the third abutting portion in a protruding manner.

Preferably, the docking arm is located between a pair of extensions.

Preferably, the socket stationary blade still includes certainly the portion of strideing across is located the inboard downward bending extension of butt joint arm both sides forms the fixed arm, the fixed arm shaping in the socket longitudinal wall, be equipped with barb portion on the fixed arm in order to increase and socket ontology between the cohesion.

Preferably, the socket signal terminals and the socket power terminals are inserted between the socket transverse wall and the central island, and the width of the socket power terminals is greater than that of the socket signal terminals.

Preferably, the socket power terminal and the socket fixing sheet are both used for transmitting electric energy, and the socket fixing sheet is provided with first to third butting parts for electrically contacting to realize transmission of multipoint current so as to improve the current carrying capacity of the board-to-board socket.

This application board shunts electric current as an independent current transmission way respectively to the socket power supply terminal of board socket and socket stationary blade, just the socket stationary blade plays the fixed action simultaneously, the socket stationary blade is in the horizontal wall periphery of socket sets up the third butt joint portion can further increase current transmission ability. And the socket fixing sheet extends inwards to form a butt joint arm positioned in the pair of slots to bear the plug fixing sheet of the plug, so that multi-point contact and shunt are realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.

Fig. 1 is a perspective assembly view of a board-to-board connector assembly according to the present application;

FIG. 2 is a perspective view of a board-to-board plug of the present application;

fig. 3 is a perspective view of the plug body of the board-to-board plug of the present application;

fig. 4 is a perspective view of a second plug current terminal of the board-to-board plug of the present application;

FIG. 5 is a perspective view of a board-to-board socket of the present application;

FIG. 6 is a perspective view of the second socket power terminal of the board-to-board socket of the present application;

fig. 7 is a sectional view taken along the broken line a-a shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings.

Referring to fig. 1, the board-to-board connector assembly of the present application includes a board-to-board socket a and a board-to-board plug B inserted into the board-to-board socket a.

As shown in fig. 2 to fig. 4, the plug B includes a plug body 10, a plurality of plug signal terminals 20 and plug power terminals 31 formed on the plug body 10, and a plug fixing piece 32 inserted into the insulating body 10.

The header body 10 includes a top wall 11, header

peripheral walls

12, 13 formed to extend upward from the outer periphery of the top wall 11, and a header mating cavity 16 defined by the top wall 11 and the header

peripheral walls

12, 13. The plug peripheral wall includes a plug transverse wall 12 and a plug longitudinal wall 13, the plug signal terminals 20 and the plug power terminals 31 are integrally formed on the plug transverse wall 12, the structure of the plug signal terminals 20 is similar to that of the plug power terminals 31, but the width of the plug power terminals 31 is greater than that of the plug signal terminals 20, the structure type is known in the art, and details are not repeated here.

The plug transverse wall 12 protrudes close to the opposite inner side of the plug longitudinal wall 13 to form a step 14, and a slot 15 is formed between the step 14 and the plug longitudinal wall 13.

The plug securing plate 32 includes a covering portion 321 covering the plug longitudinal wall 13, a first contact portion 324 formed by bending and extending from the lateral outer side of the covering portion 321, a first solder leg 323 formed by bending and extending from the first contact portion 324 vertically, a second contact portion 322 formed by bending and extending from the lateral inner side of the covering portion 321 on the inner side of the plug longitudinal wall 13, a third contact portion 325 formed by bending and extending from the longitudinal outer side of the covering portion 321 along the outer side of the plug transverse wall 12, a second solder leg 326 formed by bending and extending from the third contact portion 325 vertically, and a contact groove 327 opened on the outer surface of the second contact portion 322 and the third contact portion 325.

The plug fixing piece 32 is inserted into one end of the plug longitudinal wall 13, and the second contact portion 322 is inserted into the insertion slot 15 and is clamped between the step portion 14 and the plug longitudinal wall 13. The third contact portion 325 is located on the outer side of the plug transverse wall 12 at one end of the plug longitudinal wall 13. Thereby increasing the width or cross-sectional area of the plug-securing blades 32.

This application board is shunted the electric current as an independent current transmission way respectively to plug power supply terminal 31 and plug stationary blade 32 of board plug B, just plug stationary blade 32 plays the fixed action simultaneously, plug stationary blade 32 is in the plug transverse wall 12 periphery sets up third contact site 325 can further increase current transmission ability.

As shown in fig. 5 and fig. 6, the socket a includes a socket body 40, a plurality of socket signal terminals 50 inserted into the socket body 40, socket power terminals 61, and socket fixing pieces 62 formed on the socket body 40.

The socket body 40 includes a bottom wall 42, socket

peripheral walls

411, 412 formed to extend upward from the periphery of the bottom wall 42, a central island portion 43 formed to protrude upward from the middle of the bottom wall 42, and a pair of insertion grooves 44 formed between the central island portion 43 and the socket

peripheral walls

411, 412. The socket peripheral walls include a socket transverse wall 411 and a socket longitudinal wall 412. The socket signal terminals 50 and the socket power terminals 61 are inserted into the socket transverse wall 411 and the center island 43. The structure of the socket signal terminal 50 and the socket power terminal 61 is conventional and will not be described herein, and the width of the socket power terminal 61 is greater than the width of the socket signal terminal 50 to increase the cross-sectional area and increase the current carrying capacity.

The socket fixing piece 62 includes a spanning portion 621 formed on the socket longitudinal wall 412, a butt-joint arm 623 formed by bending and extending downward from the inner side of the spanning portion 621, a welding portion 622 formed by bending and extending downward from the outer side of the spanning portion 621 and then bending and extending vertically, a fixing arm 625 formed by bending and extending downward from the inner side of the spanning portion 621 located at both sides of the butt-joint arm 623, and an extending portion 624 formed by bending and extending from both ends of the spanning portion 621 and formed on the socket transverse wall 411.

The abutting arm 623 comprises a first abutting portion 6231 bent and extended downward from the inner side of the spanning portion 621, a bent portion 6233 bent and extended backward from the first abutting portion 6231, a second abutting portion 6232 bent and extended backward from the bent portion 6233, a guide portion 6234 bent and extended outward from the free end of the second abutting portion 6232, and a material escaping hole 6235 opened between the first abutting portion 6231 and the bent portion 6233. The material escaping holes 6235 can improve the elastic performance of the docking arm 623, and avoid the excessive rigidity of the docking arm 623.

The extension portion 624 includes a fixing portion 6241 formed by extending after being bent vertically from two ends of the spanning portion 621, and formed in the socket transverse wall 412, a folded portion 6242 formed by being bent reversely from the top of the fixing portion 6241, and a third abutting portion 6243 formed by extending downward from the folded portion 6242 and located on the inner wall surface of the socket transverse wall 412. A projection 6244 is formed on the inner wall surface of the third abutting portion 6243, and the abutting arm 623 is located between the pair of extending portions 624. The fixing arm 625 is formed in the socket longitudinal wall 411, and a barb 6251 is formed on the fixing arm 625 to increase the binding force between the fixing arm 625 and the socket body 40.

As shown in fig. 7, the first to

third contact portions

324, 322, 325 of the plug B are electrically contacted with the first to

third butting portions

6231, 6232, 6243 of the socket a, respectively, to transmit current.

This application board is shunted the electric current as an independent current transmission route respectively to board socket A's socket power supply terminal 61 and socket stationary blade 62, just socket stationary blade 62 plays the fixed action simultaneously, socket stationary blade 62 is in the socket transverse wall 412 periphery sets up third butt joint portion 6243 can further increase current transmission ability. And the socket fixing pieces 62 are extended inwards to form the butting arms 623 positioned in the pair of slots 44 so as to receive the plug fixing pieces 32 of the plug B, so that multi-point contact is realized and shunting is realized.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A board-to-board socket comprises a socket body, a plurality of socket signal terminals, socket power terminals and a socket fixing piece, wherein the socket signal terminals, the socket power terminals and the socket fixing piece are inserted into the socket body, the socket fixing piece is formed on the socket body, the socket fixing piece comprises a bottom wall, a socket peripheral wall, a central island portion and a pair slot, the socket peripheral wall is formed by upward extending from the periphery of the bottom wall, the central island portion protrudes upwards from the middle of the bottom wall, the pair slot is formed between the central island portion and the socket peripheral wall, and the socket peripheral wall comprises a transverse socket wall and a longitudinal socket wall.

2. The board-to-board socket of claim 1 wherein said docking arm includes a first docking portion formed by bending downwardly from an inner side of said spanning portion, a bent portion formed by bending reversely from a bottom of said first docking portion, and a second docking portion formed by extending upwardly from said bent portion, said first docking portion and said second docking portion being aligned on an inner side of said longitudinal wall of said socket and laterally outside of said central island portion.

3. The board-to-board socket according to claim 2, wherein a material escape hole is cut out of the first butt portion and the bent portion.

4. The board-to-board socket of claim 2, wherein said docking arm further comprises a guide formed by folding outward from a free end of said second docking portion.

5. The board-to-board socket of claim 2 wherein said socket retention tab further comprises an extension portion bent from each end of said spanning portion and formed into said transverse wall of said socket, said extension portion having a third abutment.

6. The board-to-board socket according to claim 5, wherein the extension portion comprises a fixed portion formed in the lateral wall of the socket and extending from both ends of the spanning portion after being bent vertically, a folded portion formed by being bent reversely from the top of the fixed portion, and the third abutting portion formed on the inner wall surface of the lateral wall of the socket and extending downward from the folded portion, and a protrusion is formed on the inner wall surface of the third abutting portion in a protruding manner.

7. The board-to-board socket of claim 6, wherein the docking arm is located between a pair of extensions.

8. The board-to-board socket according to claim 2, wherein the socket fixing plate further comprises a fixing arm formed by bending and extending downward from the inner side of the crossing portion located at both sides of the docking arm, the fixing arm is formed in the longitudinal wall of the socket, and the fixing arm is provided with a barb portion to increase the coupling force with the socket body.

9. The board-to-board socket of claim 1, wherein said socket signal terminals and said socket power terminals are interposed between said socket transverse wall and said central island, said socket power terminals having a width greater than a width of said socket signal terminals.

10. The board-to-board socket of claim 6, wherein said socket power terminals and said socket fixing plate are used for transmitting power, and said socket fixing plate is provided with first to third mating portions for electrically contacting to realize transmission of multi-point current so as to improve current carrying capacity of the board-to-board socket.