CN221353194U - Connector for connecting multi-layer PCB (printed circuit board) - Google Patents

Abstract

The utility model belongs to the technical field of electrical equipment, and discloses a connector for connecting a multi-layer PCB. The socket is provided with a connecting surface which is used for being attached to a PCB, and a terminal is arranged in the socket; the connecting piece is arranged in the socket and is electrically connected with the terminal, and part of the connecting piece extends out of the connecting surface and is electrically connected with the PCB; one end of the plug is in plug-in fit with the terminal, and the other end of the plug is electrically connected with the other PCB. When the connector is used for connecting the multi-layer PCB, a plurality of sockets and a plurality of plugs are not required, and connection between three PCB can be realized only by one socket and two plugs, so that the use quantity of elements can be effectively reduced in electric connection of more PCB, occupation of the elements to space can be reduced, the whole volume of the multi-layer PCB after connection is reduced, and the assembly cost can be reduced.

Description

Connector for connecting multi-layer PCB (printed circuit board)

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a connector for connecting a plurality of layers of Printed Circuit Boards (PCB).

Background

The connector is used as a key structure of multi-layer PCB connection and mainly comprises two types of elements, namely a plug and a socket, wherein the plug and the socket are in plug-in fit to form electric connection, and the connector is also in electric connection with the PCB so as to realize current transmission.

In the prior art, a connector for connecting three-layer PCB boards mainly comprises two sockets and two plugs, wherein the two plugs are respectively inserted at two ends of the two sockets, the two sockets are respectively connected with two surfaces of one PCB board, and the electric connection between the two sockets and the other two PCB boards is realized through the connection of the plugs and the sockets.

When the connector is applied, the number of the connectors is correspondingly increased according to the number of the PCBs which need to be communicated, so that a socket and a plug are needed to be included between every two adjacent PCBs, the connection of the multi-layer PCBs is required to use a plurality of elements, more space is occupied, and the assembly cost is correspondingly increased.

Disclosure of utility model

The utility model aims to provide a connector for connecting multi-layer PCB boards, which solves the problems that a plurality of sockets and two plugs are required to be arranged among three PCB boards in the prior art, and as the number of the PCB boards increases, a large number of sockets and plugs are required to be used, so that not only is a large space occupied, but also the assembly cost is increased.

To achieve the purpose, the utility model adopts the following technical scheme:

the present utility model provides a connector for multi-layer PCB board connection, comprising:

the socket is provided with a connecting surface, the connecting surface is used for being attached to a PCB, and terminals are arranged in the socket;

The connecting piece is arranged in the socket and is electrically connected with the terminal, and the connecting piece partially extends out of the connecting surface and is electrically connected with the PCB; and

And one end of the plug is in plug-in fit with the terminal, and the other end of the plug is electrically connected with the other PCB.

Optionally, the PCB board includes first PCB board and second PCB board, the connection face laminating in first PCB board just the connecting piece with first PCB board electricity is connected, plug one end with the terminal grafting cooperation, the other end with second PCB board electricity is connected.

Optionally, the socket is provided with a plugging surface opposite to the connecting surface, one end of the plug penetrates through the plugging surface to be in plug-in fit with the terminal, and the other end of the plug is electrically connected with the second PCB.

Optionally, one end of the plug passes through the first PCB board and the connection surface to be in plug-in fit with the terminal, and the other end is electrically connected with the second PCB board.

Optionally, the socket has with the grafting face that the connection face is opposite to, the second PCB board sets up two, the plug includes first plug and second plug, the one end of first plug with one second PCB board electricity is connected, the other end passes first PCB board with the connection face is in order to with socket grafting cooperation, the one end of second plug passes the grafting face in order to with socket grafting cooperation, the other end is connected with another second PCB board electricity.

Optionally, the connector comprises:

A connection part disposed in the socket and electrically connected to the terminal; and

And one end of the welding leg is connected with the connecting part, and the other end of the welding leg extends out of the connecting surface and is used for being electrically connected with the PCB.

Optionally, the connection portion and the terminal are in an integral structure.

Optionally, the socket includes:

the plastic shell is internally provided with an installation cavity; and

The sealing cover is arranged on the connecting surface of the socket to seal the mounting cavity, and a jack for inserting the plug is formed in the sealing cover.

Optionally, the connecting surface is provided with a mounting groove, and the sealing cover is embedded in the mounting groove.

Optionally, the plug includes:

A housing;

The contact pin penetrates through the shell, one end of the socket is inserted into the terminal, and the other end of the socket is used for being electrically connected with the other PCB.

The utility model has the beneficial effects that:

By partially extending the connector from the connection face, the connector is electrically connected to the PCB when the connection face is in engagement with the PCB, thereby allowing the terminals to be electrically connected to the PCB, and also to form an electrical connection when the plug is mated with the terminals, another PCB electrically connected to the plug can be electrically connected to the PCB. When this connector is used for the connection of multilayer PCB board with this, need not set up a plurality of sockets and a plurality of plug again, only need a socket and two plugs just can realize the connection between the three PCB board, set up the socket at the PCB board in the middle promptly, only need set up the plug at two other PCB boards, two plugs are connected with the socket electricity, just can be smoothly with three PCB board electricity connection. Therefore, in the electric connection of a larger number of PCB boards, the use number of the elements can be effectively reduced, the occupation of a large number of elements on the space can be reduced, the whole volume of the multi-layer PCB board after connection is reduced, and the assembly cost can be reduced.

Drawings

Fig. 1 is a schematic structural diagram of a connector for connecting a multi-layer PCB board according to a first embodiment of the present utility model;

fig. 2 is a schematic structural view of a connection surface of a socket of a connector for connecting a multi-layer PCB according to a first embodiment of the present utility model;

Fig. 3 is a schematic structural view of a plugging surface of a socket of a connector for multi-layer PCB connection according to a first embodiment of the present utility model;

fig. 4 is a cross-sectional view of a socket of a connector for multi-layer PCB board connection in accordance with a first embodiment of the present utility model;

Fig. 5 is a cross-sectional view of a socket and connector of a connector for multi-layer PCB board connection in accordance with a first embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a connector for connecting a multi-layer PCB board in a second embodiment of the present utility model;

Fig. 7 is a schematic structural diagram of a connector for connecting multi-layer PCB boards in a third embodiment of the present utility model.

In the figure:

1. A socket; 11. a connection surface; 12. a terminal; 13. a plug face; 14. a plastic shell; 15. a cover; 2. a connecting piece; 21. a connection part; 22. welding feet; 3. a plug; 31. a housing; 32. a contact pin; 33. a first plug; 34. a second plug; 4. a first PCB board; 5. and a second PCB board.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment of the utility model discloses a connector for connecting multi-layer PCB boards

Example 1

Referring to fig. 1 to 5, the connector for multi-layered PCB board connection (hereinafter, simply referred to as "the connector") includes a socket 1, a connector 2, and a header 3. The socket 1 is provided with a connecting surface 11, the connecting surface 11 is used for being attached to a PCB, and the socket 1 is internally provided with a terminal 12; the connecting piece 2 is arranged in the socket 1 and is electrically connected with the terminal 12, and the connecting piece 2 partially extends out of the connecting surface 11 and is electrically connected with the PCB; one end of the plug 3 is in plug-in fit with the terminal 12, and the other end is electrically connected with the other PCB board.

Specifically, the socket 1 has a rectangular parallelepiped shape, the upper side surface of which serves as a connection surface 11, and a plurality of terminals 12 are arranged at intervals inside the socket, and in this embodiment, six terminals 12 are arranged at intervals. The connecting piece 2 is located in the socket 1, one end of the connecting piece is electrically connected with the terminal 12, the other end of the connecting piece extends out of the connecting surface 11 and is used for being electrically connected with the PCB, and the connecting piece 2 and the terminal 12 are arranged in one-to-one correspondence. The plug 3 can penetrate from the connection surface 11 to be in plug-in fit with the socket 1, or can penetrate from the side opposite to the connection surface 11 to be in plug-in fit with the socket 1, and can be specifically designed according to the number of the PCB boards and the position of the socket 1.

By partly extending the connection piece 2 out of the connection face 11, the connection piece 2 is electrically connected with the PCB board when the connection face 11 is attached to the PCB board, so that the terminal 12 is electrically connected with the PCB board, and also an electrical connection is formed when the plug 3 is mated with the terminal 12, another PCB board electrically connected with the plug 3 can be electrically connected with the PCB board. When this connector is used for the connection of multilayer PCB board with this, need not a plurality of sockets 1 and a plurality of plug 3, only need a socket 1 and two plug 3 just can realize the connection between the three PCB board, set up socket 1 at the PCB board in the middle promptly, only need set up plug 3 at two other PCB boards, two plugs 3 are connected with socket 1 electricity, just can be smoothly with three PCB board electricity connection. Therefore, in the electric connection of a larger number of PCB boards, the use quantity of the elements can be effectively reduced, the occupation of the elements on the space can be reduced, the whole volume of the multi-layer PCB board after connection is reduced, and the assembly cost can be reduced.

Optionally, the PCB board includes a first PCB board 4 and a second PCB board 5, the connection surface 11 is attached to the first PCB board 4 and the connection piece 2 is electrically connected to the first PCB board 4, one end of the plug 3 is in plug-in fit with the terminal 12, and the other end is electrically connected to the second PCB board 5.

Specifically, the socket 1 has a plugging surface 13 opposite to the connection surface 11, one end of the plug 3 passes through the plugging surface 13 to be plugged-fitted with the terminal 12, and the other end is electrically connected with the second PCB board 5. At this time, the second PCB 5 is located above the first PCB 4, and the plug 3 and the socket 1 are both located between the first PCB 4 and the second PCB 5. In this way, an electrical connection of the first PCB 4 to the second PCB 5 can be achieved by means of a socket 1 and a plug 3.

Optionally, the connector 2 comprises a connecting portion 21 and a fillets 22. The connection portion 21 is provided in the socket 1 and electrically connected to the terminal 12; one end of the soldering leg 22 is connected with the connecting portion 21, and the other end extends out of the connecting surface 11 and is used for being electrically connected with the PCB.

Specifically, the connection portion 21 and the terminal 12 are in an integral structure, and the connection portion 21 is in a strip shape, and one end of the connection portion 21 extends out of the connection portion 21 and is bent to form a soldering leg 22, wherein the soldering leg 22 is used for being electrically connected with the PCB board. Therefore, when the connecting surface 11 is attached to the first PCB 4, the soldering is electrically connected with the electrical connection portion 21 on the first PCB 4, so that the electrical connection between the terminal 12 and the PCB is formed.

Optionally, the socket 1 comprises a plastic shell 14 and a cover 15. The plastic shell 14 is internally provided with an installation cavity; the sealing cover 15 is arranged on the connecting surface 11 of the socket 1 to seal the mounting cavity, and the sealing cover 15 is provided with a jack for inserting the plug 3.

Specifically, the connection surface 11 has a mounting groove, the sealing cover 15 is embedded in the mounting groove, the side surface of the sealing cover 15 is tightly attached to the groove wall of the mounting groove, and is fixedly connected by means of clamping or bonding, etc., and the outer side surface of the sealing cover 15 is flush with the end surface of the socket 1. A notch for extending the connecting piece 2 is formed on the side surface of the end cover, and a containing groove for containing the welding leg 22 is formed on the connecting surface 11, wherein the depth of the containing groove is smaller than the thickness of the welding leg 22, so that one side of the welding is protruded out of the connecting surface 11.

By providing the plastic housing 14 and the cover 15, the terminal 12 having the connector 2 can be smoothly enclosed in the mounting cavity. By providing the notch on the cover 15 and providing the receiving groove on the connection surface 11, the connection portion 21 can smoothly extend out of the mounting cavity, and the solder leg 22 is formed after being bent and passed through the receiving groove.

Optionally, the plug 3 comprises a housing 31 and a pin 32. The contact pin 32 is arranged on the shell 31 in a penetrating way, one end of the socket 1 is inserted into the terminal 12, and the other end of the socket is used for being electrically connected with the second PCB 5. Specifically, the housing 31 is in a cube shape, the pins 32 are in a strip shape, the housing 31 is fixed at the middle of the pins 32, one end of each pin 32 can be inserted into the socket 1 and is in plug-in fit with the terminal 12, and the other end of each pin 32 is in a bent shape so as to be electrically connected with the second PCB 5.

Example two

The present embodiment differs from the first embodiment in the position of the plug 3 on the basis of the first embodiment.

Referring to fig. 6, alternatively, the socket 1 has a plugging surface 13 opposite to the connection surface 11, one end of the plug 3 passes through the first PCB board 4 and the connection surface 11 to be plugged-fitted with the terminal 12, and the other end is electrically connected with the second PCB board 5.

Specifically, the second PCB 5 is located below the first PCB 4, the plug 3 is located between the first PCB 4 and the second PCB 5, and the socket 1 is located above the first PCB 4. In this embodiment, the pins 32 of the plug 3 can pass through the first PCB 4 and pass through the cover 15 to be plugged into the terminals 12, so as to electrically connect the first PCB 4 and the second PCB 5, so that the positions of the plug 3 and the socket 1 can be flexibly adjusted according to the relative positions and distances of the PCBs, and the electrical connection manner between the PCBs can be flexibly adjusted.

Example III

On the basis of the first embodiment, the present embodiment differs from the first embodiment in the number of PCB boards and plugs 3.

Referring to fig. 7, alternatively, two second PCBs 5 are provided, the plug 3 includes a first plug 33 and a second plug 34, one end of the first plug 33 is electrically connected to one second PCB 5, the other end passes through the first PCB 4 and the connection surface 11 to be in plug-fit with the socket 1, and one end of the second plug 34 passes through the plug-in surface 13 to be in plug-fit with the socket 1, and the other end is electrically connected to the other second PCB 5.

Specifically, the first PCB 4 is located between the two second PCBs 5, the first plug 33 is located between the first PCB 4 and one of the second PCBs 5, and the socket 1 and the second plug 34 are located between the first PCB 4 and the other of the second PCBs 5. Thus, the electric connection of three PCB boards can be realized by utilizing the two plugs 3 and one socket 1. It should be understood that the socket 1 may be used for connection of more PCBs, and is not limited to connection between two or three PCBs, but only needs to be correspondingly increased in number of the socket 1 and the plug 3, which is not illustrated here.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A connector for multilayer PCB board is connected, its characterized in that includes:

The socket (1), the socket (1) is provided with a connecting surface (11), the connecting surface (11) is used for being attached to a PCB, and the socket (1) is internally provided with a terminal (12);

The connecting piece (2) is arranged in the socket (1) and is electrically connected with the terminal (12), and the connecting piece (2) partially extends out of the connecting surface (11) and is electrically connected with the PCB; and

And one end of the plug (3) is in plug-in fit with the terminal (12), and the other end of the plug is electrically connected with the other PCB.

2. The connector for connecting a plurality of layers of Printed Circuit Boards (PCB) according to claim 1, wherein the PCB comprises a first PCB (4) and a second PCB (5), the connecting surface (11) is attached to the first PCB (4) and the connecting piece (2) is electrically connected with the first PCB (4), one end of the plug (3) is in plug-in fit with the terminal (12), and the other end of the plug is electrically connected with the second PCB (5).

3. Connector for multi-layer PCB board connection according to claim 2, characterized in that the socket (1) has a plug face (13) opposite to the connection face (11), one end of the plug (3) passing through the plug face (13) to be plug-fitted with the terminal (12) and the other end being electrically connected with the second PCB board (5).

4. Connector for multi-layer PCB connection according to claim 2, characterized in that one end of the plug (3) is passed through the first PCB (4) and the connection face (11) to be in a plug-in fit with the terminal (12) and the other end is electrically connected with the second PCB (5).

5. Connector for multi-layer PCB connection according to claim 2, characterized in that the socket (1) has a mating face (13) opposite to the connection face (11), the second PCB (5) is provided with two, the plug (3) comprises a first plug (33) and a second plug (34), one end of the first plug (33) is electrically connected to one of the second PCBs (5), the other end passes through the first PCB (4) and the connection face (11) to mate with the socket (1), one end of the second plug (34) passes through the mating face (13) to mate with the socket (1), and the other end is electrically connected to the other second PCB (5).

6. Connector for multi-layer PCB board connection according to any of the claims 1 to 5, characterized in that the connection piece (2) comprises:

A connection part (21) which is provided in the socket (1) and is electrically connected to the terminal (12); and

And one end of the welding leg (22) is connected with the connecting part (21), and the other end of the welding leg extends out of the connecting surface (11) and is used for being electrically connected with the PCB.

7. Connector for multi-layer PCB board connection according to claim 6, characterized in that the connection portion (21) is of unitary structure with the terminal (12).

8. Connector for multi-layer PCB board connection according to any of the claims 1 to 5, characterized in that the socket (1) comprises:

a plastic shell (14), wherein a mounting cavity is formed in the plastic shell (14); and

The sealing cover (15) is arranged on the connecting surface (11) of the socket (1) to seal the mounting cavity, and the sealing cover (15) is provided with a jack for inserting the plug (3).

9. Connector for multi-layer PCB board connection according to claim 8, characterized in that the connection face (11) has a mounting groove, in which the cover (15) is embedded.

10. Connector for multi-layer PCB board connection according to any of the claims 1 to 5, characterized in that the plug (3) comprises:

A housing (31);

The contact pin (32) penetrates through the shell (31), one end of the socket (1) is inserted into the terminal (12), and the other end of the socket is used for being electrically connected with the other PCB.