Board-to-board connector and PCB assembly

Abstract

The utility model discloses a board-to-board connector and a PCB assembly which are simple in structure, good in strength and high in compatibility. According to the technical scheme, the connector comprises a connecting socket and a connector plug which are matched in an inserted mode, the connecting socket comprises a vertical socket shell and a power female terminal arranged in the vertical socket shell, and the connector plug comprises a vertical plug shell and a power male terminal arranged in the vertical plug shell. The power female terminal comprises an integrally formed square main body, two overlapped first pins which are integrally formed at the lower end of the square main body, and two oppositely arranged elastic contact pieces which are integrally formed at the upper end of the square main body. The power male terminal is sheet-shaped, and the rear end of the power male terminal is provided with a second pin.

Description

Technical Field

[0001] The utility model belongs to the field of connectors, and in particular relates to a board-to-board connector. Background Art

[0002] Board-to-board connectors are plugs and sockets that connect power and signals between printed circuit boards (PCBs) via pins. They are primarily used to directly connect two or more PCBs. Traditional board-to-board connectors have the following disadvantages: 1. Complex structure, low production efficiency, high product defect rates, and unreliable performance; 2. Poor terminal structure strength, which can easily cause power interruptions and accidents during equipment operation; 3. Incompatibility with the different heights required for mounting two PCBs within a device. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a board-to-board connector and a PCB board assembly with a simple structure, good strength and high compatibility.

[0004] To solve the above problems, the technical solution adopted by the present invention includes: a plug-in connecting socket and a connector plug, the connecting socket includes a vertical socket shell and a power female terminal arranged in the vertical socket shell, and the connector plug includes a vertical plug shell and a power male terminal arranged in the vertical plug shell, characterized in that: the power female terminal includes an integrally formed square body, two overlapping first pins integrally formed at the lower end of the square body, and two oppositely arranged elastic contact pieces integrally formed at the upper end of the square body; the power male terminal is sheet-shaped and has a second pin at the rear end.

[0005] The board-to-board connector is characterized in that a group of ribs are provided on the surface of the elastic contact piece, and a groove is provided in the middle.

[0006] The board-to-board connector is characterized in that the power female terminal is installed into the inner cavity of the vertical socket housing from the bottom and is clamped with the clamping platform of the inner cavity through the side buckle.

[0007] The board-to-board connector is characterized in that a bell mouth is provided on the top of the vertical socket housing, which smoothly transitions with the elastic contact piece.

[0008] The board-to-board connector is characterized in that the bottoms of the vertical socket housing and the vertical plug housing are both provided with riveted columns connected to the PCB board.

[0009] The board-to-board connector is characterized in that the front end of the vertical plug housing is integrally formed with the sheath wrapped around the power male terminal.

[0010] The board-to-board connector is characterized in that: a signal female terminal is also provided in the vertical socket housing, and a third pin is provided at the rear end of the signal female terminal; a signal male terminal connected to the signal female terminal is provided in the vertical plug housing, and the signal male terminal is sheet-shaped and has a fourth pin at the rear end.

[0011] The board-to-board connector is characterized in that after the first pin, the second pin, the third pin, and the fourth pin are inserted into the PCB board, their rear ends all extend out of the PCB board.

[0012] A PCB assembly includes at least two PCBs, characterized in that a board-to-board connector as described above is connected between the two PCBs.

[0013] The advantages of the board-to-board connector and PCB assembly of this utility model are as follows:

[0014] 1. The overall structure is simple, which reduces the assembly process, saves material and labor costs, and has reliable performance;

[0015] 2. The power female terminal has a compact structure, is easy to stamp and form, and has a stable connection with the socket housing and the PCB board;

[0016] 3. The power female terminal adopts a through-type design. The plug and socket can change the height of the power male terminal according to the customer's usage scenario.

[0017] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the board-to-board connector of the utility model;

[0019] Figure 2 It is a cross-sectional view of the board-to-board connector of the utility model;

[0020] Figure 3 It is an exploded view of the connection socket of the utility model;

[0021] Figure 4 This is an exploded view of the connecting plug of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the power female terminal of the utility model;

[0023] Figure 6 This is a cross-sectional view of the power female terminal of the utility model;

[0024] Figure 7 This is a front structural diagram of the vertical socket housing of the utility model;

[0025] Figure 8 This is a schematic diagram of the back structure of the vertical socket housing of the utility model;

[0026] Figure 9 It is a structural schematic diagram of the PCB board assembly of the utility model. DETAILED DESCRIPTION Example 1:

[0027] Reference Figure 1-8 As shown, the board-to-board connector of the present invention includes a plug-in connection socket 1 and a connector plug 2. The connection socket 1 includes a vertical socket housing 3 and a power female terminal 4 riveted into the vertical socket housing 3. The connector plug 2 includes a vertical plug housing 5 and a power male terminal 6 riveted into the vertical plug housing 5. The power female terminal 4 includes an integrally formed square body 7, two overlapping first pins 8 integrally formed at the lower end of the square body 7, and two oppositely arranged elastic contact pieces 9 integrally formed at the upper end of the square body 7. The power male terminal 6 is sheet-shaped, and a second pin 10 is provided at the rear end of the power male terminal 6. When in use, the first pin 8 and the second pin 10 are inserted into the welding holes of the PCB board and soldered.

[0028] Preferably, the surface of the elastic contact 9 is provided with a set of ribs 11, and a slot 12 is provided in the middle of the elastic contact 9. The ribs 11 contact the power male terminal 6, thereby achieving better electrical conductivity and smoother insertion and removal of the power male terminal 6. The slot 12 also provides the elastic contact 9 with greater elasticity, enabling a more stable clamping of the power male terminal 6, thereby further improving electrical conductivity.

[0029] Preferably, the power female terminal 4 is installed into the inner cavity 13 of the vertical socket housing 3 from the bottom, and the power female terminal 4 is engaged with the clamping platform 15 of the inner cavity 13 through the side buckle 14 to improve the installation stability of the power female terminal 4.

[0030] Preferably, a bell mouth 16 is provided on the top of the vertical socket housing 3, which smoothly transitions with the elastic contact piece 9. The bell mouth 16 enables the power male terminal 6 to be more accurately inserted into the power female terminal 4.

[0031] Preferably, the bottoms of the vertical socket housing 3 and the vertical plug housing 5 are both provided with riveted columns 18 connected to the PCB board, so as to improve the stability of the connection with the PCB board.

[0032] Preferably, the front end of the vertical plug housing 5 is integrally formed with a sheath 19 that wraps around the power male terminal 6 to protect the power male terminal 6. A gap should be left between the sheath 19 and the connection socket 1, and the height of the power male terminal can be changed according to the customer's usage scenario.

[0033] Preferably, the vertical socket housing 3 further comprises a female signal terminal 20, the rear end of which is provided with the third pin 21. The vertical plug housing 5 comprises a male signal terminal 22 connected to the female signal terminal 20. The male signal terminal 22 is in the form of a sheet and has a fourth pin 23 at its rear end, which is connected to the PCB board via the fourth pin 23. The connection between the female signal terminal 20 and the male signal terminal 22 is used to confirm the connection or transmit signals between the connection socket 1 and the connector plug 2.

[0034] Preferably, after the first pin 8, the second pin 10, the third pin 21, and the fourth pin 23 are inserted into the PCB board 17, their rear ends all protrude from the PCB board. The protruding portions are welded to improve the stability of the connection with the PCB board. Example 2:

[0035] Reference Figure 9 As shown, the PCB assembly of the present invention includes two PCBs 17, with the board-to-board connector a described in Example 1 connected between the two PCBs 17. Specifically, the first pin 8, second pin 10, third pin 21, and fourth pin 23 of the board-to-board connector a are inserted into the pin holes of the PCBs 17, and the rivet posts 18 of the board-to-board connector a are inserted into the rivet holes of the PCBs 17. Finally, the first pin 8, second pin 10, third pin 21, and fourth pin 23 are soldered and secured.

[0036] The above does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A board-to-board connector, comprising a plug-matched connection socket (1) and a connector plug (2), wherein the connection socket (1) comprises a vertical socket housing (3) and a power female terminal (4) disposed in the vertical socket housing (3), and the connector plug (2) comprises a vertical plug housing (5) and a power male terminal (6) disposed in the vertical plug housing (5), characterized in that: The power female terminal (4) comprises an integrally formed square body (7), two overlapping first pins (8) integrally formed at the lower end of the square body (7), and two oppositely arranged elastic contact sheets (9) integrally formed at the upper end of the square body (7); the power male terminal (6) is sheet-shaped and has a second pin (10) at the rear end.

2. The board-to-board connector according to claim 1, wherein: A group of convex ribs (11) are provided on the surface of the elastic contact piece (9), and a slot (12) is provided in the middle.

3. The board-to-board connector according to claim 1, wherein: The power female terminal (4) is installed into the inner cavity (13) of the vertical socket housing (3) from the bottom, and is engaged with the clamping platform (15) of the inner cavity (13) via the side clamping buckle (14).

4. The board-to-board connector according to claim 3, wherein: The top of the vertical socket housing (3) is provided with a bell mouth (16) that smoothly transitions with the elastic contact piece (9).

5. The board-to-board connector according to claim 1, wherein: The bottoms of the vertical socket housing (3) and the vertical plug housing (5) are both provided with riveted columns (18) connected to the PCB board.

6. The board-to-board connector according to claim 1, wherein: The front end of the vertical plug housing (5) is integrally formed with a sheath (19) wrapped around the power male terminal (6).

7. The board-to-board connector according to claim 1, wherein: A female signal terminal (20) is further provided in the vertical socket housing (3), and a third pin (21) is provided at the rear end of the female signal terminal (20). A male signal terminal (22) connected to the female signal terminal (20) is provided in the vertical plug housing (5), and the male signal terminal (22) is in a sheet shape and has a fourth pin (23) at the rear end.

8. The board-to-board connector according to claim 7, wherein: After the first pin (8), the second pin (10), the third pin (21), and the fourth pin (23) are inserted into the PCB board (17), their rear ends all extend out of the PCB board.

9. A PCB board assembly comprising at least two PCB boards (17), characterized in that: A board-to-board connector (a) according to any one of claims 1 to 8 is connected between the two PCB boards (17).

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