JP2996365B2 - Circuit board mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circuit board mounting structure for mounting a circuit board such as a control board or a main circuit board to a chassis such as a tray chassis.

[0002]

2. Description of the Related Art In general, electronic equipment such as a video tape recorder has a mechanical component mounted on a chassis and a plurality of circuit boards having electronic circuits for driving and controlling the mechanical component. Mounted.

A circuit board is attached to these chassis by using a plurality of screws, and electrical connection between the circuit boards is made by using a plurality of lead wires such as jumper wires. Interconnected via connectors accordingly. For this reason, a work by a driver operation for the screw connection and a soldering work for electrical connection are required. As another prior art, Japanese Utility Model Laid-Open No. 4-130484 discloses a technique in which two printed circuit boards are connected by a connector and fixed to a chassis.

[0004]

However, in such a conventional mounting structure of a circuit board in electronic application equipment,
The driver operation and the soldering work are troublesome, and the assembling efficiency of the entire electronic application device is deteriorated. In addition, there is a problem that the work of maintenance, inspection, and repair of the circuit board is troublesome. Further, in the above-mentioned other prior art, since the two printed boards are connected to each other by a connector and then fixed to the chassis, the mounting operation is troublesome, and even when only one of the boards is to be removed, There was a problem that both had to be removed.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. One of the circuit boards attached to a chassis is attached to the other circuit board. It is another object of the present invention to provide a circuit board mounting structure that enables electrical connection to be made at the same time, thereby greatly improving the efficiency of assembling electronic equipment.

[0006]

A circuit board mounting structure according to the present invention has a structure in which two circuit boards are connected to each other by a connector and fixed to a chassis. A chassis having a locking hook protruding toward the front surface and a fixed hook protruding forward at a lower portion of the one surface; an upper edge locked by the locking hook; A first circuit board to which an edge is locked, a first connector attached to the first circuit board, a second circuit board attached to another surface adjacent to one surface of the chassis; When the first circuit board is inserted into the locking hook and the fixed hook from the front and is locked and held after the second circuit board is mounted on the second circuit board, the second 1
Of the connector.

[0007]

According to the present invention, the locking hook and the fixing hook lock the upper edge and the lower edge of the first circuit board, respectively, so as not to fall freely by the push operation thereof. In addition, the push operation for the locking simultaneously couples the first connector to the second connector, and mechanically attaches the first circuit board to the chassis;
An electrical connection between the first and second circuit boards can be made with one touch.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a tray chassis as a chassis of a video tape recorder, in which a plurality of locking hooks 2 are integrally provided at an upper portion on the front side and a plurality of fixing hooks 3 are integrally provided at a lower portion. It is provided in.

Reference numeral 4 denotes a control board as a circuit board of the video tape recorder, which has a size and a shape substantially corresponding to the front opening of the tray chassis 1. As shown in FIG. 2, the control board 4 has an upper edge locked by the locking hook 2 and a lower edge engaged with the fixed hook 3 to be detachably attached to the front portion of the tray chassis 1. .

Further, at the right end of the control board 4,
A notch 5 for guiding the connector wiring is provided, and a first connector 6 is attached to the upper edge of the notch 5 with a screw or the like so as to close the notch 5.

Reference numeral 7 denotes a main board as a circuit board previously mounted in the tray chassis 1. A second connector 8 is mounted on the main board 7 at a position facing the first connector 6. Have been.

In the circuit board mounting structure having such a configuration, the control board 4 is brought to the front of the tray chassis 1 on which the main circuit board 7 is mounted, for example, at the time of assembling a video tape recorder. As shown in FIG. 2, the upper edge of this is inserted and locked from below into the locking hook 2 on the tray chassis side.

Subsequently, the lower edge of the control board 4 is pushed along the inclined surface of the hook of the fixed hook 3, and the lower edge is engaged with and held by the fixed hook 3, as shown in FIG.

On the other hand, by the pressing operation of the control board 4, each pin of the first connector 6 on the control board 4 is moved to the second connector 6 on the main board 7.
, Respectively, as shown in FIG. That is,
When coupling the control board 4 to the tray chassis 1,
The electrical connection between the control board 4 and the main circuit board 7 is made simultaneously without using screws or lead wires.

Further, the electrical connection is made by the fixed hook 3
Is pressed, and the lower edge of the control board 4 is moved over the claw of the fixed hook 3 so that the control can be easily and quickly performed. Therefore, maintenance, inspection, and repair of the circuit on the control board 4 and the main board can be performed. It can be arbitrarily and easily implemented.

The shapes of the locking hooks 2 and the fixing hooks 3 are not limited to those in the above-described embodiment, and may be any configuration as long as the control board 4 can be detachably locked within a range in which the object can be achieved.

[0017]

As described above, according to the present invention, in a structure in which two circuit boards are connected to each other by a connector and fixed to a chassis, one surface is opened and the upper surface of the one surface is projected forward. And a chassis having a fixed hook projecting forward from a lower portion of the one surface, an upper edge locked to the locking hook, and a lower edge locked to the fixed hook. A first circuit board, a first connector attached to the first circuit board, a second circuit board attached to another surface adjacent to one surface of the chassis, and the second circuit When the first circuit board is inserted into the locking hook and the fixed hook from the front and is locked and held after the second circuit board is mounted on the board, the first connector is connected to the first connector. Configured to be combined By performing the work of attaching the other circuit board to the chassis with respect to one circuit board attached to the chassis, electrical connection can be made at the same time. The effect that the assembly efficiency can be greatly improved is obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part showing a circuit board mounting structure according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of the vicinity of a locking hook and a fixed hook in FIG.

FIG. 3 is a front view showing a mounting structure of the circuit board in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Chassis (tray chassis) 2 Locking hook 3 Fixed hook 4 First circuit board (control board) 6 First connector 7 Second circuit board (main board) 8 Second connector

Claims (1)

(57) [Claims] 1. A structure in which two circuit boards are connected to each other by a connector and fixed to a chassis.
A chassis having a locking hook protruding forward at an upper portion of the one surface and a fixed hook projecting forward at a lower portion of the one surface; and an upper edge locked to the locking hook. A first circuit board having a lower edge locked to the fixed hook; a first connector attached to the first circuit board; and a first connector attached to another surface adjacent to one surface of the chassis. And the second circuit board is attached to the second circuit board, and after the second circuit board is attached, the first circuit board is inserted from the front into the locking hooks and the fixed hooks to hold and lock. And a second connector coupled to the first connector.