CN210576570U

CN210576570U - Board-to-board plug and board-to-board connector assembly

Info

Publication number: CN210576570U
Application number: CN201921277818.2U
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: 2020-05-19
Anticipated expiration: 2029-08-06

Abstract

A board-to-board plug comprises a plug body, a plurality of plug signal terminals and plug power supply terminals which are formed on the plug body, and a plug fixing sheet fixed on the insulating body, wherein the plug body comprises a top wall, a plug peripheral wall formed by upward extending from the periphery of the top wall, and a plug butt joint cavity formed by enclosing the top wall and the plug peripheral wall; the present application further provides a board-to-board connector assembly.

Description

Board-to-board plug and board-to-board connector assembly

Technical Field

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

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

Accordingly, there is a need for a board-to-board connector and a board-to-board connector assembly for transmitting large currents.

In order to solve the technical problem, the application provides a board to board plug, including plug body, shaping in a plurality of plug signal terminal on the plug body and plug power supply terminal and be fixed in plug stationary blade on the plug body, the plug body include the roof, certainly the roof periphery upwards extends the plug peripheral wall that forms and passes through the roof with the plug peripheral wall encloses the plug butt joint chamber of establishing, the plug peripheral wall includes the horizontal wall of plug and the longitudinal wall of plug, plug signal terminal with plug power supply terminal integrated into one piece in on the horizontal wall of plug, the plug stationary blade including cover in cover portion on the longitudinal wall of plug, from the horizontal outside of cover portion is bent and is extended the first contact site that forms, from the first leg that forms of bending perpendicularly of first contact site, from the horizontal inwards bending of cover portion is formed in second contact site on the longitudinal wall medial surface of plug, And a third contact part formed by bending from the longitudinal outer side of the covering part and extending along the outer side surface of the plug transverse wall.

Preferably, the plug transverse wall protrudes close to the opposite inner side of the plug longitudinal wall to form a step part, a slot is formed between the step part and the plug longitudinal wall, and the second contact part is inserted into the slot and clamped by the step part and the plug longitudinal wall.

Preferably, the plug securing plate further includes a second fillet formed by vertically bending the third contact portion, and a contact groove formed on outer surfaces of the second contact portion and the third contact portion.

In order to solve the technical problem, the present application further provides a board-to-board connector assembly, including plug and socket, the socket includes socket ontology, cartridge in a plurality of socket signal terminals, socket power supply terminal and shaping in on the socket ontology socket stationary blade, socket ontology includes the diapire, certainly the diapire periphery upwards extends the socket peripheral wall that forms, certainly in the middle of the diapire upwards protrusion central island portion that forms 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 plug includes the plug ontology, the shaping in a plurality of plug signal terminals and plug power supply terminal on the plug ontology and be fixed in the plug stationary blade on the plug ontology, the plug ontology includes the roof, certainly the roof periphery upwards extends the plug peripheral wall that forms and passes through the roof with the peripheral wall of plug encloses to establish into The plug peripheral wall includes a plug transverse wall and a plug longitudinal wall for inserting the plug mating cavity of the center island, the plug signal terminals and the plug power terminals are integrally formed on the plug transverse wall, the plug peripheral wall is inserted in the opposite slot of the socket body, the socket fixing piece comprises a spanning part formed on the longitudinal wall of the socket, an opposite joint arm which is bent downwards from the inner side of the spanning part and extends into the opposite slot, and a welding part which is bent downwards from the outer side of the spanning part and then is bent vertically, the plug fixing piece comprises a covering part covering the longitudinal wall of the plug, a first contact part formed by bending and extending from the transverse outer side of the covering part, and a second contact part formed on the inner side surface of the longitudinal wall of the plug by bending the covering part inwards in the transverse direction, and the first contact part and the second contact part are respectively in electrical contact with the butt joint arms.

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 backward from a bottom of the first docking portion, and a second docking portion formed by extending upward from the bending portion, the first docking portion and the second docking portion are arranged on an inner side of the longitudinal wall of the socket and on a lateral outer side of the central island portion, and the first contact portion and the second contact portion of the plug are in electrical contact with the first docking portion and the second docking portion respectively.

Preferably, the plug fixing piece further includes a third contact portion bent from the longitudinal outer side of the covering portion and extending along the outer side surface of the plug transverse wall, the socket fixing piece further includes an extension portion bent from both ends of the spanning portion and extending and formed in the socket transverse wall, and the extension portion is provided with a third butt portion electrically contacting with the third contact 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 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 power terminals and the plug power terminals are electrically connected in an abutting mode to transmit current, and the socket fixing pieces and the plug fixing pieces are electrically connected in an abutting mode to transmit current.

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

This application board shunts the electric current as an independent current transmission way respectively to the socket power supply terminal of board connector component and socket stationary blade to the board of board socket, just the socket stationary blade plays the fixed action simultaneously, the socket stationary blade is in the socket horizontal wall periphery sets up the third butt joint portion and 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;

3 fig. 3 7 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 the 3 broken 3 line 3 a 3- 3 a 3 shown 3 in 3 fig. 31 3. 3

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 plug 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. The utility model provides a board to board plug, includes the plug body, the shaping in a plurality of plug signal terminals and plug power supply terminal on the plug body and be fixed in plug stationary blade on the plug body, the plug body include the roof, certainly the roof periphery upwards extend the plug peripheral wall that forms and pass through the roof with the plug peripheral wall encloses the plug butt joint chamber that establishes, the plug peripheral wall includes the horizontal wall of plug and the longitudinal wall of plug, the plug signal terminal with the plug power supply terminal integrated into one piece in on the horizontal wall of plug, its characterized in that, the plug stationary blade including cover in cover portion on the longitudinal wall of plug, from the horizontal outside of cover portion is bent and is extended the first contact site that forms, from the first leg of first contact site vertical bending formation, from the horizontal inside bending of cover portion is formed in second contact site on the longitudinal wall of plug medial surface, And a third contact part formed by bending from the longitudinal outer side of the covering part and extending along the outer side surface of the plug transverse wall.

2. The board-to-board plug of claim 1, wherein said plug transverse wall bulges to form a step adjacent to an opposite inner side of said plug longitudinal wall, said step and said plug longitudinal wall forming a slot therebetween, said second contact portion being inserted into said slot and sandwiched by said step and said plug longitudinal wall.

3. The board-to-board plug of claim 2, wherein said plug securing tab further comprises a second solder tail formed by bending perpendicularly from said third contact portion and a contact groove formed on an outer surface of said second contact portion and said third contact portion.

4. A board-to-board connector assembly comprises a plug and a socket, wherein the socket comprises a socket body, a plurality of socket signal terminals, socket power terminals and socket fixing pieces, the socket signal terminals, the socket power terminals and the socket fixing pieces are inserted and arranged on the socket body, the socket body comprises a bottom wall, a socket peripheral wall, a central island portion and opposite slots, 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 opposite slots are formed between the central island portion and the socket peripheral wall, the socket peripheral wall comprises a transverse socket wall and a longitudinal socket wall, the plug comprises a plug body, a plurality of plug signal terminals, plug power terminals and plug fixing pieces, the plug signal terminals, the plug power terminals and the plug fixing pieces are formed on the plug body, the plug body comprises a top wall, a plug peripheral wall extends upwards from the periphery of the top wall, and plug pairs, which are formed by enclosing the The plug signal terminal and the plug power terminal are integrally formed on the plug transverse wall, the plug peripheral wall is inserted in the opposite slot of the socket body, it is characterized in that the socket fixing sheet comprises a spanning part formed on the longitudinal wall of the socket, a butt joint arm which is bent downwards from the inner side of the spanning part and formed in the butt joint slot, and a welding part which is bent downwards from the outer side of the spanning part and then is bent vertically, the plug fixing piece comprises a covering part covering the longitudinal wall of the plug, a first contact part formed by bending and extending from the transverse outer side of the covering part, and a second contact part formed on the inner side surface of the longitudinal wall of the plug by bending the covering part inwards in the transverse direction, and the first contact part and the second contact part are respectively in electrical contact with the butt joint arms.

5. The board-to-board connector assembly of claim 4, wherein the mating arm includes a first mating portion bent downward from an inner side of the spanning portion, a bent portion bent backward from a bottom of the first mating portion, and a second mating portion extending upward from the bent portion, the first and second mating portions are arranged on an inner side of the longitudinal wall of the socket and on a lateral outer side of the central island portion, and the first and second contact portions of the plug are in electrical contact with the first and second mating portions, respectively.

6. The board-to-board connector assembly of claim 5, wherein the plug fixing plate further includes a third contact portion bent from the longitudinal outer side of the covering portion and extending along the outer side surface of the plug transverse wall, the socket fixing plate further includes an extension portion bent from both ends of the spanning portion and extending and formed in the socket transverse wall, the extension portion being provided with a third mating portion electrically contacting the third contact portion.

7. The board-to-board connector assembly according to claim 6, wherein the extending portion includes a fixing 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 a top of the fixing portion, and the third abutting portion formed on an inner wall surface of the lateral wall of the socket and extending downward from the folded portion, and a protrusion is formed on an inner wall surface of the third abutting portion in a protruding manner.

8. The board-to-board connector assembly of claim 7, wherein the socket fixing piece further includes a fixing arm formed by bending and extending downward from the inner side of the crossing portion on both sides of the mating 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 connector assembly according to claim 5, wherein the plug transverse wall is bulged adjacent to opposite inner sides of the plug longitudinal wall to form step portions, the step portions and the plug longitudinal wall forming a slot therebetween, the second contact portion being inserted into the slot to be sandwiched by the step portions and the plug longitudinal wall.

10. The board-to-board connector assembly of claim 4, wherein the receptacle power terminals electrically interface with the plug power terminals to transmit current, and the receptacle retention tabs electrically interface with the plug retention tabs to transmit current.