JPH0722127A - Electric connector - Google Patents

Abstract

PURPOSE:To simplify the operation of connecting a plug contact pin with the terminal part of a flexible printed circuit board (FPC) by pinching the FPC terminal part by a socket member and a plug member lateral edge, and inserting the longitudinal edge of the plug member into the socket member. CONSTITUTION:A socket member 20 has internally a socket contact pin 25 and is mounted on a printed circuit board, and a plug member 30 has a section in T form or upset L form and is equipped with a plug contact pin 35 alongside the undersurface of its lateral edge 32 and the side face of the longitudinal edge. When the longitudinal edge 31 of the plug member 30 is inserted into the socket member 20, the terminal part 8a of flexible printed circuit board 8 is pinched by the lateral edge 32 of the socket member 20 and pressure contact with the pin 35 can be generated, and also the longitudinal edge 31 of the plug contact pin 35 is put in pressure contact with the socket contact pin 25. Accordingly the operation of connecting the plug contact pin 35 with the terminal part 8a does not require any troublesome works such as soldering and can be done very simply and easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector suitable for connecting an FPC (flexible printed wiring board) to a printed wiring board, and more particularly to the connection between the FPC and the connector such as soldering. The present invention relates to a device that can be easily and easily performed without requiring such work.

[0002]

2. Description of the Related Art Conventionally, when connecting an FPC to a printed wiring board, for example, as shown in FIG.
The socket member 2 is mounted on the printed wiring board 1 and the SMT type or DIP type socket contact pins 3 provided thereon are soldered to the substrate 1, while the plug member 5 inserted into the socket member 2 is attached. Solder and fix the terminal part of FPC8 to the plug contact pin 6 of
Thereafter, the plug member 5 is inserted into the socket member 2 and the socket contact pin 3 and the plug contact pin 6 are electrically connected to each other, whereby the FPC 8 is connected to the substrate 1 via the contact pins 3 and 6. The wiring pattern has been adopted.

[0003]

However, in the above-mentioned conventional connection mode, since the terminal portion of the FPC 8 is connected to the plug contact pin 6 of the plug member 5 by soldering, it takes time and labor, and It wasn't easy to connect.

Further, when a plurality of, for example, two FPCs are connected to a board, two electrical connectors composed of a socket member, a plug member, etc. are required, so that two boards are provided on the board.
There is a problem that a space for mounting each electric connector is required, and that labor and man-hours are doubled.

In view of the above point, the present invention provides an electric connector which can be simply and easily connected to an FPC and the connector without requiring a troublesome work such as soldering. To aim.

[0006]

In order to achieve the above object, the electrical connector according to the first invention of the present application basically has a terminal member with an FPC sandwiched between a socket member and a plug member. A plug contact pin is pressed into contact with the socket member. Specifically, the socket member is mounted on a printed wiring board, and the socket contact pin is arranged inside, and an approximately inverted L-shaped or T-shaped cross-sectional outer shape. Have
A plug member in which plug contact pins are arranged along the lower side surface and the side surface of the vertical side portion, the vertical side portion of the plug member being inserted into the socket member, and the socket member and the socket member. The terminal portion of the FPC is sandwiched between the plug member and the lateral side portion, and in this state, the lateral side portion of the plug contact pin is pressed against the terminal portion, and the vertical side portion of the plug contact pin is connected to the socket. It is designed to be pressed against the contact pin.

In the electric connector according to the second invention of the present application, in addition to the above configuration, a plug cover is disposed opposite to a lateral side portion of the plug member, and a terminal portion of the FPC is provided between the plug cover and the lateral side portion of the plug member. It is designed to be able to sandwich.

In the electric connector according to the third invention of the present application, two FPCs can be separately inserted into the left and right spaces formed between the plug member and the plug cover so that they can be sandwiched at the same time. It was done.

[0009]

In the electric connector of the first invention described above,
By sandwiching the FPC terminal portion between the socket member and the horizontal side portion of the plug member, the horizontal side portion of the plug contact pin is pressed against the terminal portion of the FPC, and the vertical side portion of the plug member is inserted into the socket member. By doing so, the vertical side of the plug contact pin is pressed into contact with the socket contact pin, so that the connecting work between the plug contact pin and the terminal part of the FPC does not require any troublesome work such as soldering and is extremely easy. It can be done easily and easily.

In the electric connector of the second aspect of the invention, the plug cover is arranged opposite to the lateral side portion of the plug member, and the terminal portion of the FPC is sandwiched between it and the lateral side portion of the plug member. Since the plug contact pin and the terminal part of the FPC can be connected to each other at a place distant from the socket member mounted on the printed wiring board, the connecting work can be performed by connecting the FPC terminal part to each other. This can be performed extremely easily as compared with the case of applying it to the socket member. Moreover, if the vertical side of the plug member is inserted into the socket member after the FPC connecting work is completed, the whole connecting work is completed. As a result, the connector is assembled, so that a series of connection work can be performed smoothly and rationally.

In the electric connector of the third invention described above, two FPCs are separately inserted into the left and right spaces formed between the plug member and the plug cover so that they can be sandwiched at the same time. Therefore, even if two FPCs are connected to the board, only one electric connector is required, and therefore, the space for mounting the electric connector can be reduced as compared with the case where two electric connectors are used. At the same time, labor and man-hours can be cut in half.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment of an electric connector according to the present invention, and FIG. 2 is a sectional view showing a connection completed state (assembly completed state) of an FPC 8.

The electrical connector 10 is surface-mounted on a printed wiring board, and basically comprises a socket member 20, a plug member 30, and a plug cover 40.

As can be seen from FIG. 3 and FIG. 4 as well, the socket member 20 has a generally cylindrical outer shape, and a large number (in this case, 10 sockets) are provided on both sides inside thereof. ) Socket contact pins 25 are fixed and arranged at regular intervals. The socket contact pin 25
An upper half of the upper half has an inverted U shape and is positioned inside the socket member 20, and a lower half of the upper half extends through the bottom of the socket member 20 so as to be brought into contact with the substrate.

The plug member 30 has a substantially T-shaped cross-sectional outer shape, and extends along both side surfaces of the vertical side portion 31 and the left and right lower surfaces of the horizontal side portion 32 sandwiching the vertical side portion 31. A large number (the same number as the socket contact pins 25 and at the same intervals) of L-shaped plug contact pins 35 are disposed and fixed. A V-shaped contact portion 35 a is bent on the upper side of the plug contact pin 35. Further, at the front and rear ends of the lateral side portion 32 of the plug member 30, as can be seen with reference to FIGS. 5 and 6, the engaging portions 46 and 47 provided on the plug cover 40 described later are hooked. Hooks 34, 34, which are U-shaped when viewed from the front (Fig. 6) and inverted L-shaped when viewed from the side (Fig. 5), are vertically provided downward.

The plug cover 40 is the socket member 2 described above.
0 has a holding portion 41 and a collar-shaped portion 42 extending from the holding portion 41 to both sides and facing the lateral side portion 32 of the plug member 30. A rectangular opening 44 is formed to pass through the vertical side portion 31 of the member 30.

Further, convex wall portions 45 are provided on the upper surfaces of both ends of the collar-shaped portion 42 of the plug cover 40, and the convex wall portions 45 are provided.
An insertion port 48 through which the FPC 8 is inserted is formed. Therefore, the terminal portion 8a of the FPC 8 is positioned on the collar-shaped portion 42 through the insertion port 48. Further, at the front and rear ends of the plug cover 40, as can be seen by referring to FIGS. 7 and 8, the hook portion 3 of the plug member 30 described above is formed.
An upper locking portion 46 to which 4, 34 are locked and a pair of lower locking portions 47, 47 are provided.

The electrical connector 10 having such a structure
When connecting the FPC 8 using the plug, first, as shown by a chain line in FIG. 9 and also shown in FIG. 10, the plug cover 40 is pushed into the plug member 30 from the lower surface side of the plug member 30. Plug the hook part 34 into the plug cover 4
The upper locking portion 46 of 0 is locked. In this state, the lateral side portion 32 of the plug member 30 and the collar-shaped portion 4 of the plug cover 40 are
2 is largely separated from each other, the terminal portion 8a of the FPC 8 is inserted through the insertion port 48 of the plug cover 40 to form the collar-shaped portion 4.
Position 2 above.

Next, the plug cover 40 is attached to the plug member 30.
When pushed further to the side, the solid line in FIG.
As shown in FIG. 1, the hook portion 34 has the plug cover 4
It is locked to the lower locking portions 47, 47 of 0. In this state, the V-shaped contact portion 35 of the plug contact pin 35 is
a is pressed into contact with the terminal portion 8a of the FPC 8 to electrically connect them.

In the above process, two FPCs are used.
It is also possible to insert 8 separately from the insertion ports 48 and connect their terminal portions 8a to the left and right plug contact pins 35, respectively. Further, when it is desired to release the connection of the FPC 8, the plug member 30 and the plug cover 40 may be opened in the reverse order of the above.

Then, as described above, the plug member 3
After the connection between 0 and the FPC 8 is completed, the vertical side portion 31 of the plug member 30 is inserted into the socket member 20 as it is. As a result, as shown in FIG. 1, the plug contact pin 35 is pressed against the socket contact pin 25, and the holding portion 41 of the plug cover 40 is externally mounted on the socket member 20.
The connection work of 8 and the assembly work of the electrical connector 10 are completed.

As described above, the electrical connector 10 of this embodiment is used.
In the first embodiment, the plug cover 40 is disposed opposite to the lateral side portion 32 of the plug member 30, and the terminal portion 8a of the FPC 8 is sandwiched between the plug cover 40 and the lateral side portion 32 of the plug member 30 to make contact with the terminal portion 8a. Since it is designed to be connected to the pin 35, the plug contact pin 35
The connection work between the FPC 8 and the terminal portion 8a of the FPC 8 can be performed at a location apart from the socket member 20 mounted on the printed wiring board.

Therefore, the connection work can be performed extremely easily and easily as compared with the case where the terminal portion 8a of the FPC 8 is applied to the socket member 20, and moreover,
After the FPC connection work is completed, if the vertical side portion 31 of the plug member 30 is inserted into the socket member 20, the entire connection work is completed and the connector 10 is assembled, so that a series of connection work is performed smoothly and rationally. be able to.

Further, the plug member 30 and the plug cover 40
Since two FPCs can be separately inserted into the left and right spaces formed between and, and they can be sandwiched at the same time, even if two FPCs are connected to a board, Since only the electric connector 10 is sufficient, the space for mounting the electric connector can be reduced and the labor and man-hour can be reduced by half as compared with the case where two electric connectors are used.

The electrical connector according to the present invention is FP
It can be used not only for C but also for pressure contact connection of jumper wires.

[0026]

As can be understood from the above description, according to the electric connector of the present invention, the FPC and the connector can be connected easily and easily without requiring a laborious work such as soldering. The excellent effect of being able to be obtained is obtained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an assembled state of an embodiment of an electric connector according to the present invention.

FIG. 2 is a cross-sectional view showing the assembled state of FIG.

FIG. 3 is a sectional view showing a socket member of the embodiment.

FIG. 4 is a plan view of FIG.

FIG. 5 is a half sectional view showing the plug member of the embodiment.

6 is a side view of FIG.

FIG. 7 is a half sectional view showing the plug cover of the embodiment.

FIG. 8 is a side view of FIG. 7.

FIG. 9 is a cross-sectional view showing an assembled state of a plug member and a plug cover, which is used for explaining an FPC connection procedure in the embodiment.

FIG. 10 is a half cross-sectional view showing an assembled state of the plug member and the plug cover, which is used for explaining the connection procedure of the FPC in the embodiment.

FIG. 11 is a half cross-sectional view showing an assembled state of the plug member and the plug cover, which is used for explaining the connection procedure of the FPC in the embodiment.

FIG. 12 is a diagram provided for explaining a conventional FPC connection mode.

[Explanation of symbols]

 8 FPC 8a Terminal part 10 Electric connector 20 Socket member 25 Socket contact pin 30 Plug member 31 Vertical side part 32 Horizontal side part 35 Plug contact pin 40 Plug cover 41 Clamping part 40 Collar-shaped part

Claims (3)

[Claims] 1. A socket member mounted on a printed wiring board, in which socket contact pins are arranged, and a cross-sectional outline of an approximately inverted L-shape or T-shape. A plug member in which a plug contact pin is arranged along the side surface of the plug member, the vertical side portion of the plug member is inserted into the socket member, and the socket member and the horizontal side portion of the plug member The terminal portion of the FPC is sandwiched between them, and in this state, the horizontal side portion of the plug contact pin is pressed against the terminal portion, and the vertical side portion of the plug contact pin is pressed against the socket contact pin. Electrical connector. 2. A socket member mounted on a printed wiring board, in which socket contact pins are arranged, and a cross-sectional outline of an approximately inverted L-shape or T-shape, and a lower side of a lateral side and a vertical side thereof. A plug member in which plug contact pins are arranged along the side surface of the plug member, and a plug cover arranged to face a lateral side portion of the plug member, and between the plug cover and the lateral side portion of the plug member. The terminal portion of the FPC is sandwiched between the socket member and the vertical side portion of the plug member is inserted into the socket member. In this state, the lateral side portion of the plug contact pin is pressed against the terminal portion and the plug contact pin An electrical connector in which a vertical side portion of the socket is in pressure contact with the socket contact pin. 3. A socket member mounted on a printed wiring board, wherein socket contact pins are arranged on both sides of the inside, and a cross-sectional outline of a substantially T-shape, and both side surfaces and horizontal sides of vertical side portions thereof. A plug member in which plug contact pins are arranged along each of the left and right lower surfaces sandwiching the vertical side portion of the portion, a holding portion externally inserted into the socket member, and extending from the holding portion to both sides. A plug cover having a collar-shaped portion that is arranged opposite to a lateral side portion of the plug member, and the FPC of the FPC is separately provided between the left and right collar-shaped portions of the plug cover and the lateral side portion of the plug member. The terminal portion is sandwiched, and the vertical side portion of the plug member is inserted into the socket member. In this state, the lateral side portion of the plug contact pin is pressed against the terminal portion, and the plug contact An electrical connector in which a vertical side portion of a contact pin is in pressure contact with the socket contact pin.