阅读说明：本技术 板对板插座 (Board-to-board socket ) 是由 张少灿 于 2020-06-22 设计创作，主要内容包括：一种板对板插座,包括插座本体、插装于所述插座本体上的若干插座端子及成型于所述插座本体上的插座固定片,所述插座本体包括底壁、自所述底壁外周向上延伸形成的插座外围壁、自所述底壁中间向上凸出形成的中央岛部、形成于所述中央岛部与所述插座外围壁之间的插接腔及形成于所述插座本体横向两端的插座引导部,所述插座固定片包括主体部、自所述主体部纵向两端折弯延伸形成的一对接触臂及自所述接触臂端部反向折弯形成的固定端部,所述主体部、接触臂与所述固定端部的底部分别形成有与印刷电路板焊接的第一、第二、第三焊脚；本申请板对板插座与印刷电路板结合更为稳定牢固。(A board-to-board socket comprises a socket body, a plurality of socket terminals inserted on the socket body and a socket fixing piece formed on the socket body, wherein the socket body comprises a bottom wall, a socket peripheral wall formed by upwards extending from the periphery of the bottom wall, a central island part formed by upwards protruding from the middle of the bottom wall, an insertion cavity formed between the central island part and the socket peripheral wall and socket guide parts formed at the two transverse ends of the socket body; this application board combines more stable firm to board socket and printed circuit board.)

1. A board-to-board socket comprises a socket body, a plurality of socket terminals inserted on the socket body and socket fixing pieces formed on the socket body, wherein the socket body comprises a bottom wall, a socket peripheral wall formed by upward extending from the periphery of the bottom wall, a central island part formed by upward protruding from the middle of the bottom wall, an insertion cavity formed between the central island part and the socket peripheral wall and socket guide parts formed at the two transverse ends of the socket body, the socket guide parts comprise a plug guide part receiving cavity, a pair of transverse peripheral walls positioned at the two longitudinal sides of the plug guide part receiving cavity and a longitudinal peripheral wall positioned at the outer transverse side of the plug guide part receiving cavity, the socket fixing pieces comprise main body parts formed in the longitudinal peripheral wall, a pair of transverse peripheral walls formed by bending and extending from the two longitudinal ends of the main body parts and fixing end parts formed by reversely bending and extending from the end parts of contact arms, the contact arm and the fixed end are embedded into the transverse peripheral wall, and the contact arm is characterized in that a first welding foot, a second welding foot and a third welding foot which are welded with a printed circuit board are respectively formed at the bottoms of the main body part, the contact arm and the fixed end.

2. The board-to-board socket of claim 1, wherein said socket guide portion has a bottom surface formed with a soldering groove, said second and third solder tails being located in said soldering groove and forming a solder pad through said soldering groove.

3. The board-to-board socket of claim 2 wherein said contact arm includes a contact portion exposed to said plug guide receiving cavity, a contact portion stamped and formed from said contact portion projecting into said plug guide receiving cavity.

4. The board-to-board socket according to claim 3, wherein an escape groove is formed at a top portion of the lateral peripheral wall, the contact portion is located inside the escape groove in the longitudinal direction, and the fixed end portion is located outside the escape groove.

5. The board-to-board socket of claim 4 wherein said fixed end further includes a through hole extending therethrough in the longitudinal direction, said through hole being filled with a transverse peripheral wall of plastic material.

6. The board-to-board socket according to claim 2, wherein the body portion comprises a bar-shaped body, and an extension body extending downward from a lower end of the bar-shaped body, the contact arms are formed by bending from both longitudinal ends of the bar-shaped body, and the first solder tail is formed at a bottom of the extension body.

7. The board-to-board socket according to claim 6, wherein a slit is cut at both longitudinal ends between said strip-shaped body and said extension body, a through hole is further formed through said main body, and said through hole and said slit are filled with a longitudinal outer peripheral wall of plastic material.

8. The board-to-board socket according to claim 7, wherein the strip-shaped body is bent at the top along the longitudinal outer side to form a strip connection portion, the top of the longitudinal outer peripheral wall is provided with a notch, the strip connection portion is located in the notch, and the top end of the strip connection portion is not higher than the surface of the longitudinal outer peripheral wall.

9. The board-to-board socket of claim 8 wherein the bend of said strip material connection portion is adjacent to a side of said plug guide receiving cavity to guide insertion of a plug.

10. The board-to-board socket of claim 1, wherein said socket terminals include signal terminals and power terminals, said power terminals having a width greater than a width of said signal terminals.

Technical Field

The present application relates to the field of electrical 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, board-to-board connectors are beginning to be applied to the transmission of electric energy, such as for connecting batteries with a motherboard to transmit current, at this time, the current carrying capacity of the terminals of the board-to-board connectors is improved, i.e. products with widened power terminals to increase the cross-sectional area to carry large current appear. And the board is still including the socket stationary blade that is located horizontal both ends to the board socket, the socket stationary blade generally cladding in or integrated into one piece in socket body's horizontal both ends and with the butt joint of plug socket stationary blade, this socket stationary blade generally is used for the reinforcing plate to the bonding strength between board socket and the printed circuit board and with board to the reinforcing cohesion of board plug lock.

Disclosure of Invention

In view of the above, it is desirable to provide a board-to-board socket that is simple to manufacture and has a higher bonding strength with a printed circuit board.

For solving above-mentioned technical problem, the application provides a board to board socket, including socket ontology, cartridge in a plurality of socket terminals on the socket ontology and the shaping in socket stator on the socket ontology, socket ontology includes the diapire, from the diapire periphery upwards extends the socket peripheral wall that forms, certainly upwards the central island portion that the protrusion formed in the middle of the diapire, be formed with central island portion with grafting chamber between the socket peripheral wall and be formed at the socket guiding portion at the horizontal both ends of socket ontology, socket guiding portion includes plug guiding portion receiving chamber, is located a pair of horizontal periphery wall of the vertical both sides in plug guiding portion receiving chamber and be located the horizontal outside to vertical periphery wall in plug guiding portion receiving chamber, the socket stator including the shaping in main part in the vertical periphery wall, certainly the vertical both ends of main part are bent and are extended a pair of contact arm that forms and certainly the reverse bending of contact arm tip forms the contact arm tip and forms the vertical periphery wall The contact arm and the fixed end part are embedded into the transverse peripheral wall, and the bottom parts of the main body part, the contact arm and the fixed end part are respectively provided with a first welding foot, a second welding foot and a third welding foot which are welded with the printed circuit board.

Preferably, the socket guide portion has a bottom surface formed with a soldering groove, and the second and third solder tails are located in the soldering groove and form a solder pad through the soldering groove.

Preferably, the contact arm includes a contact portion exposed to the plug guide receiving cavity, a contact portion stamped and formed from the contact portion projecting into the plug guide receiving cavity.

Preferably, an avoiding groove is formed in the top of the transverse outer peripheral wall, the contact part is located on the longitudinal direction and is located on the inner side of the avoiding groove, and the fixed end part is located on the outer side of the avoiding groove.

Preferably, the fixing end further comprises a through hole penetrating in the longitudinal direction, and the through hole is filled with a transverse peripheral wall made of a plastic material.

Preferably, the body portion includes a bar-shaped body and an extension body extending downward from a lower end of the bar-shaped body, the contact arm is formed by bending from two longitudinal ends of the bar-shaped body, and the first fillet is formed at a bottom of the extension body.

Preferably, a slit groove is formed between the strip-shaped body and the extension body by cutting at both longitudinal ends thereof, a through hole is further formed in the main body, and the through hole and the slit groove are filled with a longitudinal outer circumferential wall made of a plastic material.

Preferably, the top of the strip-shaped body is bent along the longitudinal outer side to form a material strip connecting part, a notch is formed in the top of the longitudinal outer peripheral wall, the material strip connecting part is located in the notch, and the top end of the material strip connecting part is not higher than the surface of the longitudinal outer peripheral wall.

Preferably, the bending part of the material belt connecting part is close to one side of the plug guide part receiving cavity to guide the insertion of a plug.

Preferably, the socket terminal includes a plurality of signal terminals and a plurality of power terminals, and the width of the power terminal is greater than the width of the signal terminals.

This application board to the socket stationary blade integrated into one piece of socket in the socket guide portion, simultaneously, the contact arm with the bottom of fixed tip is as a general pad welding of second, third leg respectively to printed circuit board on, increases cohesion between socket stationary blade and the printed circuit board.

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 socket of the present application;

FIG. 2 is an exploded perspective view of the board-to-board socket of the present application;

FIG. 3 is a perspective view of a socket body of the board-to-board socket of the present application;

FIG. 4 is a perspective view of a socket securing tab of the board-to-board socket of the present application;

figure 5 is a perspective view of the plate-to-plate jack of the present application at another angle.

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.

In the present application, the X direction shown in fig. 1 is taken as the lateral direction, the Y direction is taken as the longitudinal direction, and the Z direction is taken as the upward direction.

Referring to fig. 1 to 5, the board-to-board socket of the present invention includes a socket body 10, socket terminals 20 assembled in the socket body 10, and socket fixing pieces 30 integrally formed at both lateral sides of the socket body 10.

The socket body 10 includes a bottom wall 11, a pair of socket peripheral walls 12 formed by extending upward from two longitudinal sides of the bottom wall 11, an island portion 13 formed by protruding upward from the middle of the bottom wall 11, socket guide portions 15 formed at two lateral sides of the socket body 10, a plurality of terminal slots 14 opened on the bottom wall 11, and a plug cavity 16 formed between the island portion 13 and the socket peripheral walls 12.

The plug cavity 16 is used for receiving the side wall of the board-to-board plug. The socket guide 15 includes a plug guide receiving cavity 153, a pair of lateral peripheral walls 151 located on both longitudinal sides of the plug guide receiving cavity 153, and one longitudinal peripheral wall 152 located laterally outside the plug guide receiving cavity 153. Dodging groove 154 has been seted up at horizontal periphery wall 151 top in longitudinal direction, vertical periphery wall 152 top is equipped with notch 155. The transverse peripheral wall 152 is integrally connected to the receptacle peripheral wall 12.

The socket fixing piece 30 includes a body 31 fitted into the longitudinal peripheral wall 152, a pair of contact arms 32 bent from both longitudinal ends of the body 31 and extending in a transverse direction, and fixing end portions 34 bent and extending from free ends of the contact arms 32 in opposite directions. The main body 31 includes a strip 311 extending in a longitudinal direction, an extension 312 extending downward from a lower end of the strip 311, a through hole 313 extending in a transverse direction through the main body 31, and a tape connecting portion 315 formed by bending a top end of the strip 311 outward in the transverse direction. The bottom of the extension 312 forms a first solder foot 316 for soldering to a printed circuit board. The body 312 and the strip 311 form a slit 314 at both longitudinal ends thereof, and the presence of the slit 314 and the through hole 313 facilitates the body 31 and the longitudinal peripheral wall 152 to be tightly combined. The strip material connection 315 corresponds to the position of the notch 155 at the top of the longitudinal peripheral wall 152.

The contact arm 32 includes a contact portion 321, a contact 323 stamped and protruded from the contact portion 321 into the plug guide receiving cavity 153 in a longitudinal direction, and a second solder leg 322 formed at the bottom of the contact portion 321. A bent portion 33 is formed between the fixed end portion 34 and the contact arm 32, and a through hole 341 and a third fillet 342 formed at a bottom side of the fixed end portion 34 are formed in the fixed end portion 34 in a penetrating manner in a longitudinal direction.

The socket terminal 20 includes a plurality of signal terminals 21 and a plurality of power terminals 22, and the width of the power terminal 22 is greater than the width of the signal terminal 21. The socket terminal 20 is inserted into the terminal groove 14 from the bottom to the top and fixed to the printed circuit board.

The socket fixing plate 30 is injection molded in the socket body 10. The body portion 31 is fitted into and fixed to the longitudinal outer peripheral wall 152, and the contact arm 32, the bent portion 33, and the fixed end portion 34 are fitted into the lateral outer peripheral wall 151. The strip material connecting portion 315 is located in the notch 155 at the top of the longitudinal peripheral wall 152, and the top end of the strip material connecting portion 315 is not higher than the upper surface of the longitudinal peripheral wall 152.

The contact portion 321 of the contact arm 32 is exposed in the plug guide receiving cavity 153, and when viewed from top to bottom, the contact portion 322 is at least partially located in the plug guide receiving cavity 153, the contact portion 322 is located in the longitudinal direction at the position of the avoiding groove 154, and the fixed end portion 34 is located in the avoiding groove 154 on the longitudinal outer side of the contact portion 322. The second solder leg 323 and the third solder leg 342 extend to the bottom of the socket body 10 to be soldered to the printed circuit board, the socket body 10 is provided with a solder groove 156 on the outer side of the bottom surface of the socket guide portion 15, and the second and third solder legs 323 and 342 are located in the solder groove 156, wherein at least one side surface of the second solder leg 323 is exposed in the solder groove 156, and during soldering, the solder groove 156 is used for accommodating solder to connect the second and third solder legs 323 and 342 into a solder pad.

In an embodiment, the inner arc surface of the tape connecting portion 315 may be located at a side of the longitudinal peripheral wall 152 close to the plug guide receiving cavity 153 for guiding the insertion of the plug, so as to avoid damaging the socket body 10.

This application board to socket fixing piece 30 integrated into one piece of board socket in socket guide portion 15, simultaneously, contact arm 32 with the bottom of fixed tip 34 is regarded as second, third leg 323 respectively, and 342 is general a pad welding to printed circuit board on, increases cohesion between socket fixing piece 30 and the printed circuit board.

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.