JPH10326654A - Flexible connector for printed circuit board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flexible connector for connecting two printed circuit boards with each other, which is constructed with the smaller number of component parts and which allows reduction of the cost. SOLUTION: A flexible connector 1 for printed circuit boards is equipped with a first housing 10 placed on one of the printed circuit boards 40, a second housing 20 provided separately from the first housing 10, and a plurality of flexible contacts 30 in the form of flat plate arranged in parallel as ranging from the first housing 10 to the second 20. The second housing 20 is provided with a board receiving opening 22 to receive the other circuit board 50, and a resilient contacting piece 36 protruding into the opening 22 to contact with the board 50 is furnished at that end of the flexible contact 30 on its side with the second housing 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed circuit board flexible connector for interconnecting two printed circuit boards.

[0002]

2. Description of the Related Art As a conventional flexible connector for a printed circuit board (hereinafter, referred to as a flexible connector) of this type, for example, one shown in FIG. 4 is known (see Japanese Utility Model Registration No. 3020612). The flexible connector 100 includes a base housing 110
And a rotating wafer 120 adjacent to the base housing 110 and a plurality of flexible contact leads 130 provided in parallel from the base housing 110 to the rotating wafer 120. The flexible contact lead 130 has one end protruding from the base housing 110 to the outside and the solder tail 13.
1 and the other end 132 is attached to the side surface of the plug body 121 protruding from the rotating wafer 120. Then, as shown in FIG. 4C, the base housing 110 is mounted on the printed circuit board 140 on one side, and the solder tail 131 of the contact lead 130 is connected to the printed circuit board 140 by soldering. And the plug body 12 of the rotating wafer 120
1 is rotated and fitted into the housing 161 of the receptacle connector 160 mounted on the other side of the printed circuit board 150, and the contact lead 130
The other end 132 is contacted with the contact 162, and the two printed circuit boards 140 and 150 are interconnected.

[0003]

However, in the conventional flexible connector 100, although the rotating wafer 120 is rotatable by the flexible contact leads 130 with respect to the base housing 110, the flexible contact The plug body 121 with the attached 130 is fitted with the receptacle connector 160. For this reason, the flexible contact 130 is not directly connected to the printed circuit board 150 on the other side, and the receptacle connector 1
Since the connection is made via 60, the number of parts is large and the cost is high.

Accordingly, it is an object of the present invention to provide a printed circuit board flexible connector for interconnecting two printed circuit boards, which has a reduced number of components and reduces cost.

[0005]

A flexible connector for a printed circuit board according to the present invention comprises: a first housing mounted on one printed circuit board; a second housing separated from the first housing; A plurality of flat flexible contacts which are provided in parallel from the first housing to the second housing, and whose end on the first housing side is formed as a solder tail connected to the one printed circuit board. In the flexible connector for a printed circuit board, a board receiving opening for receiving the other printed circuit board separate from the one printed circuit board is provided in the second housing, and an end of the flexible contact on the second housing side is provided. Protrudes into the board receiving opening and contacts the other printed circuit board It is characterized in that a sexual contact piece.

The second housing is provided with a pedestal portion to be mounted on the one printed circuit board when the one printed circuit board and the other printed circuit board are in a substantially horizontal state. It is even more effective.

[0007]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view before connecting the other printed circuit board to the printed circuit board flexible connector of the present invention mounted on one printed circuit board. FIG. 2 is a sectional view showing a state in which the other printed circuit board is connected to the flexible connector for a printed circuit board in FIG.

1 and 2, a printed circuit board flexible connector (hereinafter, simply referred to as a flexible connector) 1 includes a first housing 10, a second housing 20 separated from the first housing 10, and a first housing 10. And a plurality of flat flexible contacts 30 provided in parallel from the second housing 20 to the second housing 20.

The first housing 10 includes a housing body 11 and a longitudinal direction of the housing body 11 (FIG. 2).
A pair of pedestals 1 provided on both sides and mounted on one printed circuit board 40.
3 and 13 and is formed by injection molding a resin material. A plurality of contact locking through holes 12 are formed in the housing body 11 in parallel along the longitudinal direction. A mounting elastic portion 14 for mounting the first housing 10 to the printed circuit board 40 is formed on the lower surface of each of the pair of pedestals 13, 13.

The second housing 20 includes a housing body 21 having a board receiving opening 22 formed on one side (the right side in FIG. 2) extending in the longitudinal direction for receiving the other printed circuit board 50, and a housing body 21. And a pair of pedestals 26, 26 mounted on one printed circuit board 40 when one printed circuit board 40 and the other printed circuit board 50 are in a substantially horizontal state. And formed by injection molding a resin material. In order to manufacture the first housing 10 and the second housing 20, the first housing 10 and the second housing 20 that are connected by a pair of connecting portions 27, 27 as shown by dotted lines in FIG. It is preferable that both connecting portions 27 are cut after they are formed by injection molding. In this embodiment, as shown in FIG. 2, when one of the printed circuit boards 40 and the other printed circuit board 50 are aligned and in a horizontal state as shown in FIG. It is arranged on the substrate 40. When the pedestal portion 26 is provided, one printed circuit board 40 and the other printed circuit board 5
When 0 is in the horizontal state, the horizontal state can be maintained.

On the other side (left side in FIG. 2) of the housing body 21, a plurality of contact receiving openings 25 communicating with the substrate receiving openings 22 are formed in parallel along the longitudinal direction. A contact locking hole 24 extending from the upper end toward one side of the housing body 21 is formed. Note that reference numeral 23 in FIG.
Is an inclined surface formed at the entrance end of the board receiving opening 22. The inclined surface 23 is provided for facilitating insertion of the other printed circuit board 50 when the other printed circuit board 50 is inserted into the board receiving opening 22. Things.

FIG. 3 is a perspective view of the flexible contact. The flexible contact 30 is formed by punching and bending a flat metal plate, and is soldered to one of the printed circuit boards 40 bent at the end on the first housing 10 side. A solder tail portion 31, a first locking portion 32 which is press-fitted and fixed to the contact locking through hole 12 of the first housing 10,
And a second locking portion 34 formed at the end on the side of the second housing 20 and pressed into and fixed to the contact locking hole 24 of the second housing 20. Solder tail part 3
1 is inserted into a round hole 41 of one printed circuit board 40, then soldered (not shown), and connected to a conductive path (not shown) on the printed circuit board 40. In each of the first locking portion 32 and the second locking portion 34, barbs (reverse barbs) 35, 35 that bite into respective side walls of the contact locking through-hole 12 and the contact locking hole 24 are provided from the side. The projection is formed. An elastic contact piece 36 is cut down from substantially the center of the second locking portion 34 in the width direction. After the elastic contact piece 36 is cut down from the second locking portion 34, it is bent into a substantially L-shape, and the contact portion 3 projecting into the substrate receiving opening 22 of the second housing 20 at the tip end side.
7 are provided. The contact portion 37 has the substrate receiving opening 2
A conductive path (not shown) formed on the lower surface of the other printed circuit board 50 inserted into the second circuit board 2 contacts. When the conductive path of the other printed circuit board 50 contacts the contact portion 37,
The conductive path of the other printed circuit board 50 and the conductive path of the one printed circuit board 40 are interconnected by the flexible contacts 30. A curved portion 38 for adjusting the length of the flexible contact 30 in the board insertion direction is formed substantially at the center of the flexible contact 30 in the board insertion direction (the horizontal direction in FIG. 2). The other printed circuit board 50 can be pulled out of the board receiving opening 22.

As shown in FIG. 2, after connecting one printed circuit board 40 and the other printed circuit board 50 in a straight line and in a horizontal state, the second housing 20 is rotated in the direction A shown in FIG. Thus, the other printed circuit board 50 can be connected to the one printed circuit board 40 in a vertical state indicated by a dotted line in FIG. The angle between one printed circuit board 40 and the other printed circuit board 50 is not limited to horizontal and vertical, but may be any angle.

As described above, in the present embodiment, the second
The housing 20 is provided with a board receiving opening 22 for receiving the other printed circuit board 50, and the flexible contact 3 is provided.
0 protrudes into the board receiving opening 22 and the printed circuit board 5
The printed circuit board 50 is directly in contact with the flexible contact 30 by inserting the other printed circuit board 50 into the board receiving opening 22 of the second housing 20 because the elastic contact piece 36 is provided. And
The interconnection of both printed circuit boards 40, 50 is made. Therefore, the number of parts is small, the cost is reduced, and the number of contact points is small, so that the connection reliability is improved.

In the present embodiment, the resilient contact pieces 36 are formed in a single row so as to contact one surface of the other printed circuit board 50. 50 may be contacted.

[0016]

According to the flexible connector for a printed circuit board according to the first aspect, the second housing is provided with a board receiving opening for receiving the other printed circuit board, and the flexible contact connected to the one printed circuit board is provided in the second housing. Since the resilient contact pieces protruding into the board receiving openings and contacting the other printed circuit board are provided, the two printed circuit boards are interconnected while the other printed circuit board is in direct contact with the flexible contact 30. be able to. For this reason, a flexible connector for a printed circuit board having a small number of components, a reduced cost, a small number of contact points and a high connection reliability can be obtained.

Further, according to the flexible connector for a printed circuit board according to the second aspect, when the one printed circuit board and the other printed circuit board are in a substantially horizontal state in the second housing, Since the pedestal portion mounted on the board is provided, when the two printed circuit boards are made substantially horizontal, the substantially horizontal state can be maintained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a flexible printed circuit board flexible connector of the present invention mounted on one printed circuit board before connecting the other printed circuit board.

FIG. 2 is a cross-sectional view showing a state in which the other printed circuit board is connected to the printed circuit board flexible connector of FIG. 1;

FIG. 3 is a perspective view of a flexible contact.

4A and 4B show a conventional flexible connector for a printed circuit board, wherein FIG. 4A is a plan view, FIG.
(C) is a sectional view of a state where the receptacle connector is fitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flexible connector for printed circuit boards 10 1st housing 20 2nd housing 22 Substrate receiving opening 26 Pedestal part 30 Flexible contact 31 Solder tail 36 Elastic contact piece 40 One printed circuit board 50 The other printed circuit board

Claims (2)

[Claims] A first housing mounted on one of the printed circuit boards, a second housing separated from the first housing, and provided in parallel from the first housing to the second housing; A flexible connector for a printed circuit board, comprising: a plurality of flat flexible contacts formed on a solder tail connected to the one printed circuit board at an end on a first housing side; A board receiving opening for receiving the other printed circuit board separate from the printed circuit board; protruding into the board receiving opening at an end of the flexible contact on the second housing side; A flexible connector for a printed circuit board, comprising an elastic contact piece for contacting the board. Data. 2. A pedestal portion mounted on the one printed circuit board when the one printed circuit board and the other printed circuit are substantially horizontal, in the second housing. 2. The flexible connector for a printed circuit board according to claim 1, wherein: