CN218827928U

CN218827928U - Board-to-board electric connector

Info

Publication number: CN218827928U
Application number: CN202222406229.8U
Authority: CN
Inventors: 包金平; 吴永发; 方志宏; 张明
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2022-09-12
Filing date: 2022-09-12
Publication date: 2023-04-07
Anticipated expiration: 2032-09-12

Abstract

The utility model provides a board is to board electric connector, including a socket and a plug, the socket includes first body and accepts a plurality of first terminals in first body, the plug includes the second body and accepts a plurality of second terminals in the second body, first body and second body all are equipped with a left side wall, a right side wall, a pair of end wall and a diapire, be equipped with a pair of guide convex part that the evagination goes out on a pair of end wall of first body, be formed with on a pair of end wall of second body and hold a pair of direction notch of guide convex part. Compared with the prior art, the utility model discloses a plug and socket are through guiding the convex part and guiding mutually supporting of notch for grafting between them is more smooth and easy, and guides the convex part and all be partial to with one side setting with guiding the notch, can play fine mistake proofing effect of inserting, thereby has avoided terminal deformation, plastic damage, contact failure scheduling problem that the error arouses.

Description

Board-to-board electric connector

Technical Field

The utility model relates to an electric connection field especially relates to a board is to board electric connector.

Background

A Board-to-Board (Board-to-Board) electrical connector is a connector commonly used in electronic products, and is used for electrically connecting two circuit boards, and generally includes a plug and a socket, which are respectively soldered on the two circuit boards, and a communication connection between the two circuit boards is realized through the plugging of the plug and the socket. Generally, the board-to-board electrical connector has a relatively simple structure, and is used in pairs in the form of a plug and a socket, the plug and the socket usually adopt a longitudinal or square structure, and two rows of conductive terminals are arranged inside the plug and the socket, and when the plug and the socket are plugged into each other, the plug and the socket are electrically connected by the conductive terminals. However, with the development trend of the size and volume of the electrical connector being gradually miniaturized and thinned, the two electrical connectors are prone to have the problems of deviation and unsmooth insertion when being inserted, and blind insertion cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a board to board electric connector to improve among the prior art and influence normal grafting or lead to contact failure problem because of lacking the fool-proof structure.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a board to board electric connector, includes a socket and a plug, the socket includes first body and accepts in a plurality of first terminals in first body, the plug includes the second body and accepts in a plurality of second terminals in the second body, first body and second body all are equipped with a left side wall, a right side wall, a pair of end wall and a diapire, be equipped with the protruding a pair of guide convex part that stretches out of outside on a pair of end wall of first body, be formed with on a pair of end wall of second body and hold a pair of guide notch of guide convex part.

Further, the pair of guiding protrusions are respectively located at two longitudinal ends of the first body and are symmetrically distributed with each other.

Further, the pair of guide protrusions are each provided biased toward the right side wall of the first body.

Further, the both ends of first body still are equipped with outside convex step portion, step portion outwards the protrusion exceed the end wall and with end wall an organic whole links to each other, the bottom body coupling of guide convex part is on step portion, the top of guide convex part is higher than the left side wall and the right side wall of first body.

Further, the inner side of the guide projection is provided with a guide surface extending obliquely downward.

Furthermore, the first body of socket still is equipped with an inserting groove and a mounting cavity, inserting groove and mounting cavity are located the upper and lower both sides of the diapire of first body respectively.

Further, the socket is still including inserting and arranging in the location body of installation intracavity, the both sides surface of the location body is equipped with a plurality of fins, the length direction equidistant distribution of the fin along the location body, first terminal card hold in between the fin.

Further, the convex ribs are distributed along the bottom edges of the two side surfaces of the positioning body.

Furthermore, the second body of the plug is provided with a butt joint cavity and a butt joint convex part located in the butt joint cavity, the guide notch faces the butt joint convex part, and the pair of guide notches are arranged on the same side of the second body in a deviation mode.

Furthermore, a convex wall protruding outwards is further arranged on the outer surface of one of the pair of end walls of the second body, and the convex wall extends downwards from the top of the end wall to the bottom of the end wall.

Compared with the prior art, the utility model discloses a plug and socket are through guiding convex part and guiding notch mutually support for grafting between them is more smooth and easy, and guides the convex part and all be partial to with one side setting with guiding notch, can play fine mistake proofing effect of inserting, thereby avoided terminal deformation, plastic damage, contact failure scheduling problem that the error arouses.

Drawings

Fig. 1 is a perspective view of a plug and a socket of a board-to-board electrical connector according to the present invention.

Fig. 2 is an exploded view of the board-to-board electrical connector receptacle of the present invention.

Fig. 3 is an assembly schematic diagram of the positioning body and the terminal of the socket of the board-to-board electrical connector according to the present invention.

Fig. 4 is a partial schematic view of a board-to-board electrical connector socket according to the present invention.

Fig. 5 is an exploded view of the plug of the board-to-board electrical connector of the present invention.

Fig. 6 is a perspective view of the plug of the board-to-board electrical connector according to the present invention.

Fig. 7 is a top view of the plug and socket of the board-to-board electrical connector according to the present invention.

Detailed Description

Referring to fig. 1 to 7, the present invention provides a board-to-board electrical connector assembly, which includes a socket 100 and a plug 200, which are respectively mounted on a circuit board (not shown) and are plugged into each other to realize signal transmission between the two circuit boards.

The socket 100 is elongated, and includes: the first body 110, a plurality of first terminals 120 fixed in the first body 110, and a positioning body 130 installed in the first body 110. The first body 110 is longitudinal, and has a pair of longitudinal side walls (a left side wall 111 and a right side wall 112), a pair of end walls 113 connecting the pair of side walls, and a bottom wall 114, where the left side wall 111, the right side wall 112, the end walls 113, and the bottom wall 114 are integrally formed with each other and jointly enclose a longitudinal insertion groove 115, the left side wall 111 and the right side wall 112 are parallel to each other, the pair of end walls 113 are respectively connected to the longitudinal ends of the left side wall 111 and the right side wall 112, and the left side wall 111 and the right side wall 112 are both provided with a plurality of longitudinally arranged receiving grooves 116 for receiving the first terminal 120. The bottom wall 114 is located at the bottom of the inserting groove 115, and is provided with a plurality of through holes 117, the through holes 117 penetrate through the bottom wall 114 in the vertical direction, and the number of the through holes 117 is the same as that of the first terminals 120, so that the first terminals 120 can enter the inserting groove 115 through the bottom wall 114 from bottom to top. The first body 110 is further provided at both ends thereof with steps 140 protruding outward, and the steps 140 are integrally connected with the bottoms of the pair of end walls 113. The end wall 113 and the side wall and the bottom wall 114 are integrally injection-molded, and a pair of guiding protrusions 150 protruding outward are respectively arranged on the pair of end walls 113, as shown in fig. 4, the top end of the guiding protrusion 150 is higher than the

side walls

111 and 112, the bottom end of the guiding protrusion 150 is integrally connected to the step portion 140, and the inner side of the guiding protrusion 150 is provided with a guiding surface 151 inclined and extending downward to the insertion groove 115, so as to play a role of insertion guiding, it is worth mentioning that, in the preferred embodiment of the present invention, the pair of guiding protrusions 150 are respectively located at the two longitudinal ends of the first body 110 and are mutually mirror-symmetrical distributed, that is, the pair of guiding protrusions 150 are all biased to the same side of the first body 110, or the pair of guiding protrusions 150 are all biased to the right side wall 112 of the first body 110, so as to play a good role of fool-proof. The first body 110 is further provided with an installation cavity 118 located right below the bottom wall 114, the installation cavity 118 and the insertion groove 115 are respectively located at the upper side and the lower side of the bottom wall 114, the installation cavity 118 and the insertion groove are separated by the bottom wall 114, and the installation cavity 118 is used for accommodating the positioning body 30.

The first terminal 120 is provided with a main body arm 121, a contact arm 122 extending upward from the main body arm 121, and a fixing arm 123 extending downward from the main body arm 121, wherein the main body arm 121 is accommodated in the through hole 117 of the bottom wall 114, the contact arm 122 is accommodated in the accommodating groove 116 and faces the insertion groove 115 for electrically connecting with the plug 200, and the fixing arm 123 extends downward into the mounting cavity 118 and the bottom of the fixing arm 123 bends outward to extend out of the first body 110 for being welded and fixed with the circuit board.

The positioning body 30 is a lengthwise insulator and is assembled into the mounting cavity 118 of the first body 10 from bottom to top, and is used for clamping and positioning the fixing arms 123 of the first terminals 12, a plurality of protruding ribs 31 are formed on the surfaces of the two sides of the positioning body 30, the protruding ribs 31 are distributed along the length direction of the positioning body 30 at equal intervals, the protruding ribs 31 are arranged between every two adjacent first terminals 120 at intervals and are used for positioning the two rows of first terminals 120, and the protruding ribs 31 are distributed along the bottom edges of the surfaces of the two sides of the positioning body 30. In addition, a circle of inclined surface 32 is further arranged around the top of the positioning body 30 to play a role in guiding insertion, so that the positioning body 30 can be conveniently inserted into the installation cavity 118.

The plug 200 is elongated and includes: a second body 210, and a plurality of second terminals 220 housed in the second body 210. Similar to the first body 110, the second body 210 is also provided with a pair of side walls (a left side wall 211 and a right side wall 212), a pair of end walls 213, a bottom wall 214, and a docking cavity 215, and the docking cavity 215 is provided with a docking protrusion 216 protruding upward. The mating protrusion 216 is formed by integrally protruding from the bottom wall 214 upwards and is used for being inserted into the insertion groove 115 of the first body 110, and a plurality of terminal grooves 217 for accommodating the second terminals 220 are formed on two side surfaces of the mating protrusion 216. It should be noted that, a guiding notch 218 facing the abutting convex portion 216 is disposed on the inner surface of the pair of end walls 213, and an outwardly protruding convex wall 219 is further disposed on the outer surface of one of the end walls 213, the convex wall 219 extends downward from the top of the end wall 213 to the bottom of the end wall 213, the guiding notch 218 is used for accommodating the guiding convex portion 150 on the first body 110, and the guiding notches 218 are disposed toward the same side of the second body 210, or the guiding notches 218 are disposed toward the right side wall 212 of the second body 210, as shown in fig. 5 and 6, so as to be capable of correspondingly cooperating with the guiding convex portion 150 of the first body 110 to achieve a good fool-proof effect. In order to facilitate the illustration of the connection between the plug 200 and the socket 100, the plug 200 is turned upside down in fig. 7, so that the guiding protrusions 150 and the guiding recesses 218 of the plug and the socket can be positioned correspondingly.

In summary, when the socket 100 and the plug 200 are plugged into each other, the guiding protrusions 150 and the guiding recesses 218 are matched with each other, so that the socket and the plug are plugged into each other more smoothly, and the guiding protrusions 150 and the guiding recesses 218 are disposed on the same side, so as to play a good role of preventing erroneous plugging, thereby avoiding the problems of terminal deformation, plastic damage, poor contact and the like caused by errors.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides a board to board electric connector, includes a socket and a plug, the socket includes first body and accepts in a plurality of first terminals in first body, the plug includes the second body and accepts in a plurality of second terminals in the second body, first body and second body all are equipped with a left side wall, a right side wall, a pair of end wall and a diapire, its characterized in that: a pair of guide protrusions protruding outward are formed on the pair of end walls of the first body, and a pair of guide recesses accommodating the guide protrusions are formed on the pair of end walls of the second body.

2. The board-to-board electrical connector of claim 1, wherein: the pair of guide protrusions are respectively located at two longitudinal ends of the first body and are symmetrically distributed with each other.

3. The board-to-board electrical connector of claim 2, wherein: the pair of guide protrusions are each disposed biased toward the right side wall of the first body.

4. A board-to-board electrical connector according to claim 3, wherein: the both ends of first body still are equipped with outside convex step portion, step portion outside protruding extend exceed the end wall and with end wall an organic whole links to each other, the bottom body coupling of guide convex part is on step portion, the top of guide convex part is higher than the left side wall and the right side wall of first body.

5. The board-to-board electrical connector of claim 4, wherein: the inner side of the guide convex part is provided with a guide surface which extends obliquely downwards.

6. The board-to-board electrical connector of claim 5, wherein: the first body of socket still is equipped with an inserting groove and a mounting cavity, inserting groove and mounting cavity are located the upper and lower both sides of the diapire of first body respectively.

7. The board-to-board electrical connector of claim 6, wherein: the socket is still including inserting and arranging in the location body of installation intracavity, the both sides surface of the location body is equipped with a plurality of fins, the equidistant distribution of length direction of the fin along the location body, first terminal card is held in between the fin.

8. The board-to-board electrical connector of claim 7, wherein: the convex ribs are distributed along the bottom edges of the two side surfaces of the positioning body.

9. The board-to-board electrical connector of claim 1, wherein: the second body of the plug is provided with a butt joint cavity and a butt joint convex part located in the butt joint cavity, the guide notch faces the butt joint convex part, and the pair of guide notches are arranged on the same side of the second body in a deviation mode.

10. The board-to-board electrical connector of claim 9, wherein: and one of the pair of end walls of the second body is also provided with a convex wall protruding outwards on the outer surface, and the convex wall extends downwards from the top of the end wall to the bottom of the end wall.