JPH0765914A - Fpc board and fpc connector assembly - Google Patents

Abstract

PURPOSE:To reduce the pitch of the group of connection parts and group of contacts substantially. CONSTITUTION:An FPC connector assembly consists of an FPC base board 10 having a group of connection parts 12 and a connector device having a group of contacts to be led to the connection part group 12, wherein a pair of such parts 12 are positioned on both sides of the inserting direction to the connector device. The connector device is fitted with contact groups in a pair so as to be led to the respective connection part groups 12 in pair as mentioned.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an FPC board and an FPC connector assembly.

[0002]

2. Description of the Related Art An FPC board connected to a contact group of a connector device fixed on the board is provided with a connecting section group to be electrically connected to the contact group. The connection parts of the FPC board are normally arranged at a fixed pitch, but with the recent demand for miniaturization of equipment, the arrangement pitch of the connection parts is also required to be narrower. But,
Since the connecting portion and the contact conducted to the connecting portion are conducted by mechanical contact, there is a mechanical limit to narrowing the arrangement pitch. Therefore, conventionally, FP
It has been attempted to provide the connecting portion groups in two rows by changing the positions in the insertion direction of the C board into the connector device. However, when the connecting portion group is arranged in two rows, the contact group of the connector device must be necessarily provided in two rows, and as a result, the connector device becomes complicated, large, and downsized. It was

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to obtain an FPC board and an FPC connector assembly which can be miniaturized even if the number of connecting portions of the FPC board is increased based on the above-mentioned awareness of the problems of the conventional device. .

[0004]

SUMMARY OF THE INVENTION According to the present invention, conventionally, the connecting portion groups are provided in rows at different positions in the inserting direction of the FPC board, and the connecting portion groups are provided on both sides in the inserting direction of the FPC board. Thus, the number of connecting portions is increased and the pitch of the connecting portions is substantially narrowed.

That is, the FPC board of the present invention is characterized in that the connecting portion groups are formed on both sides of the connector device in the insertion direction. Further, in the FPC connector assembly of the present invention, a pair of connecting portions of the FPC board are provided so as to be positioned on both sides in the insertion direction into the connector device, while a pair of connecting portion is electrically connected to the connector device. The feature is that a contact group forming a power pair is provided.

In the connector device, since a contact pressure is generated between the contact group and the contact portion group, the connector device can be opened and closed on the pair of contact groups and presses the connection portion group of the FPC board against the contact group. A fixed lever can be provided. It is preferable that the rotation fulcrum of the fixing lever is located inside the FPC board from the contact portion of the contact group with the connection portion group. Then, the elastic force of the contact group does not cause the fixed lever to loosen. Furthermore, the connector device preferably has a symmetrical structure with respect to the center of the FPC board in the insertion direction. The contact group and the fixed lever can be shared.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to illustrated embodiments. As shown in FIG. 1, the FPC board 10 according to the present invention is provided with a pair of connecting portion groups 12 in an inserting portion 11 at an end thereof. The pair of connecting portion groups 12 are formed symmetrically on both sides of the inserting portion 11 in the insertion direction A. Each of the equal-pitch connecting portions 13 forming the connecting portion group 12 is F
It is connected to the printed wiring 14 on the PC board 10.
As shown in FIG. 2, the insertion portion 11 is reinforced by the reinforcing plate 15 and holds the planar shape.

The connector device 20 is a printed circuit board (PC
B) which is fixed on 21 (FIG. 3) and which is the FPC board 1
The insertion portion 11 of 0 has a symmetrical structure with respect to the center in the insertion direction. The chain line B in FIG. 3 indicates the center of the symmetrical structure. The connector device 20 includes an insulating block 22 made of synthetic resin, and the insulating block 22 supports a pair of contact groups 23 corresponding to the pair of connecting portion groups 12. The contacts 24 of equal pitch forming the contact group 23 are provided in a number corresponding to the connecting portions 13 of the FPC board 10, and each of them is provided on the printed board 2.
Soldering part 24 that is surface-mounted to the terminal on 1
a, press-fitting portions 24b, 24 press-fitted into the insulating block 22
c and elastic contact legs 24d. The elastic contact leg 24d is exposed on the upper surface of the insulating block 22,
The insulating block 22 can be elastically deformed inward, and its tip forms a contact portion 24e with the connecting portion 13 of the FPC board 10. Insertion grooves 27 into which the contacts 24 are inserted are formed in the insulating block 22.

A pair of fixed levers 25 are pivotally attached to the insulating block 22 so as to correspond to the pair of contact groups 23. The fixing lever 25 is provided with a pair of swing arms 25b having elongated holes 25a that fit into a shaft 26 projectingly formed on the insulating block 22, and a pressing portion 25c connecting the pair of swing arms 25b. It has a U-shape. Axis 26
2 are provided for each fixed lever 25, four in total, but only one is illustrated in FIG.

The pair of fixing levers 25 can be swung about a shaft 26, and when the pressing portion 25c is opened from above the pair of contact groups 23, the pair of contact groups 23 and the FPC board are placed. The insertion part 11 of 10 can be inserted. Then, when the pressing portions 25c of the pair of fixing levers 25 are closed on the pair of contact groups 23 with the insertion portion 11 inserted, the FPC board 10 is closed.
The insertion portion 11 (reinforcing plate 15) of is connected to the contact group 23 side, and each connection portion 13 of the connection portion group 12 mechanically contacts the contact portion 24e of each contact 24 of the contact group 23.

The shaft 26 of the fixed lever 25 has a contact portion 24e.
Therefore, it is located inside the insulating block 22. Therefore, the force acting on the pressing portion 25c via the contact portion 24e at the tip of the elastic contact leg 24d and the insertion portion 11 acts as a rotational force in the direction in which the fixed lever 25 approaches the insertion portion 11. That is, the fixing lever 25 does not open due to the elastic force of the elastic contact leg 24d.

Therefore, the present apparatus having the above-described structure has the pressing portions 25c of the pair of fixed levers 25 opened with respect to the pair of contact groups 23, respectively.
The insertion portion 11 of the FPC board 10 is inserted from above in the insertion direction A and brought into contact with the stopper wall 28. Then, when the pair of fixing levers 25 are closed, the contact portions 24e of the respective contacts 24 of the pair of contact groups 23 and the pair of connecting portion groups 12
Each of the connecting portions 13 is mechanically brought into contact with each other to be electrically connected. Further, according to the present invention, since the pair of connecting portion groups 12 on the inserting portion 11 of the FPC board 10 are provided on both sides in the inserting direction of the inserting portion 11, the arrangement pitch of the connecting portions 13 is substantially set. It is possible to obtain the same operational effect as that of narrowing the pitch. Further, since the pair of fixing levers 25 can be opened and closed individually, half of all the connecting portions 13 can be electrically connected to half of all the contacts 24, and all the connecting portions 13 can be connected to the contacts 24 at the same time. The opening / closing operation force of the fixed lever 25 may be smaller than that in the case of conducting the electric connection.

[0013]

According to the present invention, a pair of connecting portions to contact groups are provided on both sides of the FPC board in the insertion direction into the connector device, and the connector device has a pair of connecting portion groups corresponding to the pair of connecting portion groups. Since the contact group is provided, the number of connecting portions can be increased, the same effect as that of narrowing the connecting portions can be obtained, and miniaturization and high density can be achieved.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of an FPC board of the present invention.

FIG. 2 is a perspective view showing an embodiment of an FPC connector assembly in which the FPC board of FIG. 1 and a connector device are combined.

FIG. 3 is a sectional view taken along line III-III in FIG.

[Explanation of symbols]

 10 FPC board 11 Insertion part 12 Connection part group 13 Connection part 14 Printed wiring 20 Connector device 21 Board 22 Insulation block 23 Contact group 24 Contact 24a Soldering part 24b 24c Press-fitting part 24d Elastic contact leg 24e Contact part 25 Fixed lever 25c Pressing part 25c 26 axis

Claims (4)

[Claims] 1. An FPC board having a connecting portion group that conducts to a contact group provided in a connector device, wherein the connecting portion group is formed on each of both sides in the insertion direction with respect to the connector device. 2. An FPC board having a connecting portion group;
An FPC connector assembly comprising: a connector device having a contact group that is electrically connected to a connection part group of a PC board; and a pair of the connection part groups of the FPC board are provided on both sides in the insertion direction into the connector device. An FPC connector assembly, characterized in that the device is provided with a pair of contacts to be electrically connected to the pair of connecting portions. 3. The connector device according to claim 2, further comprising a pair of openable and closable fixed levers on the pair of contact groups, the pair of fixed levers being in a closed state.
An FPC connector assembly that generates a contact pressure between a connection group and a contact group of an FPC board. 4. The FPC connector assembly according to claim 3, wherein the rotation fulcrum of the fixed lever is located inside the FPC board from a contact portion of the contact group with the connection portion group.