JPH0130260B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a printed board connector for joining a plurality of parallel printed boards to connect circuits on the printed boards.

2. Description of the Related Art Conventionally, when a plurality of printed circuit boards having printed circuits are placed parallel to each other and electrically coupled to each other, a structure as shown in FIG. 1 has generally been adopted. That is, a plurality of printed boards 1 to be combined are each provided with a printed circuit 2, and a lead wire 3 is used to connect the uppermost printed board 1 to the power supply side and the like. Each printed board 1 is connected by a connector 4, and each printed circuit 2 is electrically connected within this connector 4.

However, in such a conventional coupling structure, the connectors 4 must be arranged in a staggered manner due to the terminal positions of the connectors 4, etc.
The ratio of the area occupied by the connectors 4 to the total area of the printed board 1 is large, which not only becomes an obstacle to downsizing the device, but also has the disadvantage that the printed circuit 2 connecting each connector 4 becomes complicated. It was hot.

Therefore, as an alternative to this, a motherboard type coupling structure shown in FIG. 2 is generally used.
That is, the plurality of printed boards 1 are fixed to a motherboard 5 perpendicular thereto via connectors 6, and the printed circuits of each printed board 1 are electrically coupled on the side surface of the motherboard 5. This reduces the space occupied by the joint and simplifies the connection circuit, but for example, if the case is cubic or cylindrical and the open surface can only be opened at the upper narrow part due to the design, this method is recommended. It was difficult to adopt a motherboard type structure.

The present invention has been made in view of the above points, and includes a plurality of chips each having a pair of connection terminals formed at each end of the joining side and a connection terminal protruding from the side, and a plurality of chips arranged in parallel. This consists of a fixing member that is molded and fixed by molding, and is inserted and fitted into each of a plurality of printed boards parallel to each other, and the connection terminals of the chip are fitted, and the connection terminals are fixed to the circuits of the printed board. By making it possible to electrically connect circuits on printed circuit boards, it is possible to shorten the time spent on manufacturing and processing, and it is also easy to manufacture and process, and it occupies a small space and the connection circuits can be connected easily. To provide a printed board connector that is simple and can accommodate various usage conditions.

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

3 to 5 show a printed board connector according to the present invention, with FIG. 3 being a longitudinal sectional view thereof, FIG. 4 being a perspective view, and FIG. 5 being a longitudinal sectional view showing a coupled state. In these figures, a connector as a printed board connector, generally designated by the reference numeral 11, is inserted and fitted perpendicularly to the ends of a plurality of parallel printed boards 12A, 12B, and is connected to the other side of each other. The connector 11 is integrally formed with a plurality of chips 13 and a molded resin 14 as a fixing member. The chip 13 is made of a thin metal plate and is formed into a rectangular shape, and a rod-shaped connecting terminal 13a and a mating connecting terminal 13a to be joined are fitted into each end of the chip 13 on the joining side. A U-shaped connection terminal 13b is formed. Further, on the side of the lower end of the body of the chip 13, an L-shaped printed board 12A, 1 is formed.
A connecting terminal 13c is provided in a protruding manner to be fixed to the printed circuit 2B. A plurality of chips 13 configured in this way have respective terminals 13a, 13b,
13c are arranged in parallel with the same protruding direction, and are integrally molded and fixed during molding by a mold resin 14 having a rectangular bar shape in cross section. The molded resin 14 is provided with a concave portion 14a that engages the connecting terminal 13b of the other party to be joined, and a protrusion 14b formed at the same height as the connecting terminal 13c.

In the connector 11 configured as described above, the molded resin 14 and the connection terminals 13c are fitted into the through holes 15 and 16 that are pre-drilled at the ends of the printed boards 12A, 12B. 13c and protrusion 14b on printed boards 12A, 12B...
After the movement of the wiring terminal 13c and the printed board 12A, 1 is restricted by contacting the flat surface of
It is fixed to the printed circuit boards 12A, 12B... by brazing the printed circuits 2B....... The printed boards 12A, 12B to which the connectors 11 are fitted in this way have connecting terminals 13
a is fitted onto and held by the mating connection terminal 13b, and by fitting both terminals 13a and 13b, they are integrated and electrically coupled. By repeating the above-described connection, a large number of printed boards 12A, 12B, . . . can be stacked in parallel and easily electrically connected.

The above explained the general bond structure, but
Furthermore, an example in which this connector 11 is used to connect printed circuit boards within a cylindrical case will be explained based on the plan view and side view of FIG. 6. In the figure, parts 18,
A plurality of disc-shaped printed boards 20 each having a printed circuit connecting the two parts 19 are arranged in parallel to each other, and their centers are connected by a connector 21. The connector 21 is integrally formed with a plurality of chips 22 arranged in a rectangular shape and a cube-shaped molded resin 23 that molds and fixes the chips, and has the same role as that shown by reference numeral 13c in FIG. The connection terminal 22c is made of molded resin 23 to 4.
It is protruded towards the direction. Further, the connection structure of the connection terminals that fit each other with the other side is the same as in the above embodiment, and in FIG. 6, the U-shaped connection terminal 22
b is shown exposed upwards. The connector 21 is fixed to the printed board 20 by a set screw 24.

In this way, even if the case 17 is cylindrical or cubic and the connecting part of the printed circuit board cannot be attached to the outer wall of the case 17, the connector 21 can be placed in a free position such as the center of the case 17. The connectors 21 can be selectively arranged, occupy a small space, and are extremely easy to connect.

These connectors 11 and 21 serve as a conventional motherboard for electrically connecting each printed board, and also have a bus or bus bar function. By passing this through and using it as a bus, and then branching the circuit to each printed board, it is possible to give different signals to each multilayer printed board, and even if the stacking order is different, each printed board can receive a predetermined signal. It will be done.

As is clear from the above description, according to the present invention, a pair of printed board connectors are formed at each end of the joining side, and the printed board connectors are inserted into the printed board and electrically connect a plurality of parallel printed boards to each other. A plurality of chips having connection terminals and connection terminals protruding from the sides are integrally formed with a fixing member that fixes them by molding, and these are fitted onto each printed board to connect the connectors to each other and to the printed circuit board. By configuring the circuit to be connected to the circuit on the board, the ratio of the area occupied by the connectors to the entire printed board is smaller than before, and each printed board connector is located within the front and back surfaces of the printed board. Since they are arranged on the same axis and the space between the printed boards can be used effectively, the entire device can be made small and compact, and there is no guide for inserting the printed boards like the motherboard type. No members or fixing members are required, the structure is simplified, and connection work is extremely easy. Furthermore, it is not limited by the number of printed boards to be joined, the shape of the case, the joining position, etc., and has a function similar to a joining bus bar, so it is highly versatile and has great effects in digital circuits, etc. . In addition, since the chip consisting of the connecting terminal and the wiring terminal is formed from a thin metal plate, the chip can be obtained all at once by punching, reducing the time spent on manufacturing and processing printed board connectors. It is possible to easily manufacture and process the material.

[Brief explanation of drawings]

FIG. 1 is a side view of a conventional printed board coupling structure, FIG. 2 is a side view of a motherboard type coupling structure, and FIGS. 3 to 7 show embodiments of a printed board connector according to the present invention. 3 is a longitudinal sectional view thereof, FIG. 4 is a perspective view, FIG. 5 is a longitudinal sectional view showing the state of connection, and FIG. 6 is a plane view showing an example in which the present invention is applied to the connection of printed boards in a cylindrical case. figure,
FIG. 7 is also a side view. 11, 21... Connector, 12A, 12B, 2
0... Printed board, 13, 22... Chip, 13
a... Connection terminal, 13b, 22b... Connection terminal,
13c, 22c... Wiring terminals.

Claims (1)

[Claims] 1. Printed board connectors that are inserted orthogonally into a plurality of parallel printed boards and are joined to each other to connect circuits on the printed boards, which are juxtaposed and protrude from both sides of the printed boards. It consists of a plurality of chips and a fixing member that molds them together and fits them onto a printed board, and the chips are connected to a pair of connecting terminals that are provided at each end of the joining side and that are mated to each other. 1. A printed board connector, characterized in that it is formed of a thin metal plate comprising a connecting terminal that protrudes from the side and is fixed to a circuit on the printed board.