CN220138733U - Board-to-board electric connector - Google Patents
Board-to-board electric connector Download PDFInfo
- Publication number
- CN220138733U CN220138733U CN202321672770.1U CN202321672770U CN220138733U CN 220138733 U CN220138733 U CN 220138733U CN 202321672770 U CN202321672770 U CN 202321672770U CN 220138733 U CN220138733 U CN 220138733U
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- CN
- China
- Prior art keywords
- butt joint
- board
- arm
- joint part
- butt
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Links
- 210000001503 joint Anatomy 0.000 claims abstract description 87
- 239000002184 metal Substances 0.000 claims abstract description 35
- 238000003466 welding Methods 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 description 45
- 230000013011 mating Effects 0.000 description 12
- 238000005476 soldering Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides a board-to-board electric connector, which comprises a socket and a plug which are mutually in butt joint and matched, wherein the socket comprises a first body and a metal terminal accommodated in the first body, the first body is provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part have height difference; the metal terminal is provided with a first butt joint arm embedded in the first butt joint part and a second butt joint arm embedded in the second butt joint part, and the first butt joint arm and the second butt joint arm have a height difference. Compared with the prior art, the board-to-board electric connector adopts the flat structural design by optimizing the structures of the first body and the metal terminals, reduces the overall height of the board-to-board electric connector, and simultaneously utilizes the first butt joint part and the second butt joint part which are in the step shape on the first body to enable the plug and the socket to have two butt joint modes with different high and low positions, so that the butt joint heights of the plug and the socket are flexible and variable, and different application requirements are met.
Description
Technical Field
The present utility model relates to the field of electrical connection, and in particular, to a board-to-board electrical connector.
Background
Board-to-Board (pcb) electrical connectors are a type of connector commonly used in electronic products for establishing electrical connection between two circuit boards, and generally include a plug and a socket, which are soldered to the two circuit boards, respectively, and the two circuit boards are connected by plugging therebetween. 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 often adopt a longitudinal or square structure, and the internal conductive terminals are arranged in two rows, so that the plug and the socket are electrically connected by the conductive terminals after being mutually plugged. In order to adapt to the development trend of miniaturization and frivolity of electronic digital products, the structural design of the board-to-board electric connector is also more and more low to reduce the overall height after the plug and the socket are plugged, thereby reducing the occupation of space. However, the board-to-board electrical connector can only realize one plugging height, namely, after the plug and the socket are matched in a plugging manner, the overall height is fixed, the board-to-board electrical connector cannot be flexibly changed to meet the requirements of different heights of application ends, and when the plugging height needs to be changed, the plug and the socket with the other plugging height can only be redesigned.
Disclosure of Invention
The utility model solves the technical problem of providing a board-to-board electric connector so as to solve the problem that the plug height of a plug and a socket in the prior art cannot be flexibly adjusted.
In order to solve the technical problems, the utility model adopts the following technical scheme: the board-to-board electric connector comprises a socket and a plug which are mutually in butt joint fit, wherein the socket comprises a first body and a metal terminal accommodated in the first body, the first body is provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part have a height difference; the metal terminal is provided with a first butt joint arm embedded in the first butt joint part and a second butt joint arm embedded in the second butt joint part, and the first butt joint arm and the second butt joint arm have a height difference.
Further, the first butt joint part and the second butt joint part are adjacently arranged and form a step-shaped structure together.
Further, the first butt joint portion is provided with a flat first butt joint surface, the second butt joint portion is provided with a flat second butt joint surface, the first butt joint surface is higher than the second butt joint surface, and a plurality of accommodating grooves which are upwards arranged are formed in the first butt joint surface and the second butt joint surface so as to accommodate the metal terminals.
Further, the first abutting portion is located at the front side of the second abutting portion, and the accommodating groove extends to the first abutting portion and the second abutting portion in the front-rear direction.
Further, the metal terminal is in a strip shape and extends along the front-back direction, and the metal terminal is further provided with a connecting arm for connecting the first butt joint arm and the second butt joint arm, and the first butt joint arm and the second butt joint arm extend in the horizontal direction.
Further, the extension length of the second butt joint arm in the front-rear direction is larger than that of the first butt joint arm, and the second butt joint arm is provided with a welding foot which extends out of the second butt joint part backwards.
Further, the welding pins, the second butt joint arms and the first butt joint arms of the metal terminal are distributed from back to front and from low to high in sequence.
Further, the plug comprises a second body and a butt-joint terminal accommodated in the second body, wherein the butt-joint terminal is provided with a contact arm protruding out of the second body so as to be in contact with the metal terminal.
Further, the second body is formed with a step structure on a side facing the socket, the step structure is provided with a concave portion and a convex portion, and the concave portion and the convex portion have a height difference in a vertical direction so as to respectively correspond to the first abutting portion and the second abutting portion of the first body.
Further, the contact arm of the mating terminal protrudes from the protruding portion to be in contact with the first mating arm or the second mating arm.
Compared with the prior art, the board-to-board electric connector adopts the flat structural design by optimizing the structures of the first body and the metal terminals, reduces the overall height of the board-to-board electric connector, and simultaneously utilizes the first butt joint part and the second butt joint part which are in the step shape on the first body to enable the plug and the socket to have two butt joint modes with different high and low positions, so that the butt joint heights of the plug and the socket are flexible and variable, and different application requirements are met.
Drawings
Fig. 1 is a perspective view of a socket of the board-to-board electrical connector according to the present utility model.
Fig. 2 is a cross-sectional view of a receptacle of the board-to-board electrical connector of the present utility model.
Fig. 3 is an exploded view of a receptacle of the board-to-board electrical connector of the present utility model.
Fig. 4 is a schematic diagram of a mating of a socket and a plug of the board-to-board electrical connector according to the present utility model.
Fig. 5 is another schematic view of the mating of the socket and the header of the board-to-board electrical connector according to the present utility model.
Description of the embodiments
Referring to fig. 1 to 5, the present utility model provides a board-to-board electrical connector, which includes a socket 10 and a plug 20 that are mated with each other, and the socket and the plug are respectively mounted on a circuit board a, and the electrical signal transmission between the two circuit boards a is realized through the mating of the socket and the plug.
As shown in fig. 1, the socket 10 includes a first body 11, metal terminals 12 held in the first body 11, and a pair of metal fixing members 13 fixed to both ends of the first body 11.
The first body 11 is flat and has a top surface 110, a front end surface 111, a rear end surface 112, and a pair of side surfaces 113. The top surface 110 is formed with a first abutting portion 14, a second abutting portion 15 and a plurality of accommodating grooves 16, the first abutting portion 14 is adjacent to the second abutting portion 15 and has a height higher than that of the second abutting portion 15 in the vertical direction, so as to form a step shape, the first abutting portion 14 is provided with a first abutting surface 141, the second abutting portion 15 is provided with a second abutting surface 151, the first abutting surface 141 is higher than the second abutting surface 151, and preferably, the first abutting portion 14 is located at the front side of the second abutting portion 15; the plurality of receiving grooves 16 are configured to receive the metal terminals 12, and the receiving grooves 16 extend to the first abutting portion 14 and the second abutting portion 15 along the front-rear direction, and are distributed on the first abutting surface 141 and the second abutting surface 151. Preferably, the first abutting portion 14 is further provided with a pair of fixing holes 17, and the fixing holes 17 penetrate the first abutting surface 141 upwards and are located at two sides of the plurality of accommodating grooves 16, so as to accommodate the pair of metal fixing pieces 13. The front end face 111 and the rear end face 112 are parallel to each other and perpendicular to the extending direction of the accommodating groove 16.
The metal terminals 12 are elongated and extend in the front-rear direction, and are provided with a first mating arm 121, a second mating arm 122, and a connecting arm 123 connecting the first mating arm 121 and the second mating arm 122, and preferably, the socket 10 includes only one row of metal terminals 12. The first docking arm 121 is embedded in the first docking portion 14 and is accommodated in the accommodating groove 16 and extends horizontally, the second docking arm 122 is embedded in the second docking portion 15 and is accommodated in the accommodating groove 16 and extends horizontally, the first docking arm 121 is higher than the second docking arm 122 and extends horizontally, the first docking arm 121 is integrally connected with the second docking arm 122 through the connecting arm 123, the first docking arm 121 is provided with a tail end 124 extending forward and embedded in the first docking portion 14, the extending length of the second docking arm 122 in the front-rear direction is longer than the length of the first docking arm 121, the second docking arm 122 is provided with a soldering foot 125 extending backward out of the second docking portion 15, and the soldering foot 125 protrudes outward from the rear end face 112 for soldering to a circuit board a. The connecting arm 123 is interposed between the first docking arm 121 and the second docking arm 122 in the vertical direction, and is integrally connected to the first docking arm 121 and the second docking arm 122, respectively, so that the metal terminal 12 has a zigzag shape. Therefore, the welding pins 125, the second docking arms 122, and the first docking arms 121 of the metal terminal 12 are distributed from back to front and from low to high, and especially the heights of the first docking arms 121 and the second docking arms 122 are different, so that the docking requirements of two different heights can be realized.
The pair of metal fixing pieces 13 are sheet-shaped and T-shaped, and are provided with a top arm 131 and a mounting arm 132 extending vertically downwards from the top arm 131, the length direction of the top wall extends along the front-rear direction and is accommodated in the fixing hole 17, and the mounting arm 132 is integrally connected with the top arm 131, protrudes from top to bottom out of the bottom surface of the first abutting portion 14, and protrudes downwards from the first body 11, and is used for mounting and fixing with the circuit board a.
The plug 20 includes a second body 21 and a plurality of docking terminals 22 accommodated in the second body 21, the second body 21 is also formed with a step structure on a side facing the socket 10, the step structure is provided with a recess 24 and a protrusion 25, the recess 24 and the protrusion 25 have a height difference in a vertical direction, and are disposed adjacent to each other, and the recess 24 can be used for accommodating the first docking portion 14 (fig. 5) of the socket 10, and the protrusion 25 can be docked with the first docking portion 14 (fig. 4) or the second docking portion 15 as required. The butt-joint terminal 22 is provided with a contact arm 23 protruding out of the second body 21, and the contact arm 23 is used for protruding into the accommodating groove 16 of the socket 10 and press-fitting with the metal terminal 12 in the accommodating groove 16 to realize electrical connection. Preferably, the plug 20 includes only one row of mating terminals 22 for mating with the metal terminals 12 of the receptacle 10. One end of the butt-joint terminal 22 extends out of the second body 21 and is mounted on another circuit board B, and the butt-joint of the plug 20 and the socket 10 realizes the electrical connection between the circuit board a and the circuit board B.
It should be noted that, the metal terminals 12 of the socket 10 and the butt-joint terminals 22 of the plug 20 are both elongated, and the extending direction of the length thereof extends transversely, so that the space occupation of the metal terminals and the butt-joint terminals in the vertical direction is relatively small, the height of the metal terminals and the butt-joint terminals after the butt-joint is greatly reduced, and the flat-lying or horizontal-lying terminal structure is particularly suitable for a plugging scene with relatively limited vertical space.
As shown in fig. 4 and 5, the socket 10 and the plug 20 of the board-to-board electrical connector of the present utility model have two docking manners to meet the application requirements of different docking heights, specifically, when the docking terminal 22 of the plug 20 is docked with the first docking portion 14 of the socket 10 (i.e. when the contact arm 23 of the docking terminal 22 is in press-contact with the first docking arm 121 of the metal terminal 12), the height of the plug 20 and the socket 10 after docking is H1, and when the docking terminal 22 of the plug 20 is docked with the second docking portion 15 of the socket 10 (i.e. when the contact arm 23 of the docking terminal 22 is in press-contact with the second docking arm 122 of the metal terminal 12), the height of the plug 20 and the socket 10 after docking is H2, preferably, since the height of the first docking portion 14 is higher than the height of the second docking portion 15, so that H1 is greater than H2.
In summary, the board-to-board electrical connector of the present utility model adopts the flat structural design by optimizing the structures of the first body 11 and the metal terminal 12, so that the overall height of the connector is reduced, and meanwhile, the first docking portion 14 and the second docking portion 15 which are in the step shape on the first body 11 are utilized to enable the plug 20 and the socket 10 to have two docking modes with different high and low positions, so that the docking heights of the plug and the socket are flexibly changeable, thereby meeting different application requirements.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present utility model using the above disclosed method without departing from the scope of the technical solution of the present utility model, which is defined in the claims.
Claims (10)
1. The utility model provides a board-to-board electric connector, includes mutual butt joint complex socket and plug, the socket includes a first body and holds in the metal terminal of first body, its characterized in that: the first body is provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part have a height difference; the metal terminal is provided with a first butt joint arm embedded in the first butt joint part and a second butt joint arm embedded in the second butt joint part, and the first butt joint arm and the second butt joint arm have a height difference.
2. The board-to-board electrical connector of claim 1, wherein: the first butt joint part and the second butt joint part are adjacently arranged and form a step-shaped structure together.
3. The board-to-board electrical connector of claim 2, wherein: the first butt joint part is provided with a flat first butt joint surface, the second butt joint part is provided with a flat second butt joint surface, the first butt joint surface is higher than the second butt joint surface, and a plurality of accommodating grooves which are upwards arranged are formed in the first butt joint surface and the second butt joint surface so as to accommodate the metal terminals.
4. The board-to-board electrical connector of claim 3, wherein: the first butt joint part is positioned at the front side of the second butt joint part, and the accommodating groove extends to the first butt joint part and the second butt joint part along the front-back direction.
5. The board-to-board electrical connector of claim 1, wherein: the metal terminal is in a strip shape and extends along the front-back direction, and the metal terminal is also provided with a connecting arm for connecting the first butt joint arm and the second butt joint arm, and the first butt joint arm and the second butt joint arm extend in the horizontal direction.
6. The board-to-board electrical connector of claim 5, wherein: the extension length of the second butt joint arm in the front-rear direction is larger than that of the first butt joint arm, and the second butt joint arm is provided with a welding foot which extends out of the second butt joint part backwards.
7. The board-to-board electrical connector of claim 6, wherein: the welding feet, the second butt joint arms and the first butt joint arms of the metal terminals are distributed from back to front and from low to high in sequence.
8. The board-to-board electrical connector of claim 1, wherein: the plug comprises a second body and a butt-joint terminal accommodated in the second body, wherein the butt-joint terminal is provided with a contact arm protruding out of the second body so as to be in contact with the metal terminal.
9. The board-to-board electrical connector of claim 8, wherein: the second body is provided with a step-shaped structure at one side facing the socket, the step-shaped structure is provided with a concave part and a convex part, and the concave part and the convex part have a height difference in the vertical direction so as to respectively correspond to the first butt joint part and the second butt joint part of the first body.
10. The board-to-board electrical connector of claim 9, wherein: the contact arm of the butt-joint terminal protrudes out of the protruding part to be in contact with the first butt-joint arm or the second butt-joint arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321672770.1U CN220138733U (en) | 2023-06-29 | 2023-06-29 | Board-to-board electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321672770.1U CN220138733U (en) | 2023-06-29 | 2023-06-29 | Board-to-board electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138733U true CN220138733U (en) | 2023-12-05 |
Family
ID=88963158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321672770.1U Active CN220138733U (en) | 2023-06-29 | 2023-06-29 | Board-to-board electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138733U (en) |
-
2023
- 2023-06-29 CN CN202321672770.1U patent/CN220138733U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |