JPS5833738Y2 - Printed circuit board fixing structure - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a fixed structure for a printed circuit board in which wiring is provided using a connector consisting of a plug and a jack.

Conventionally, this type of printed circuit board fixing structure generally consists of fixing a printed circuit board with a connector plug fixed to one side edge to a bracket using a set screw, or fixing the peripheral edge of the printed circuit board to a bracket using uneven fitting means. There is known a device in which the connector jack is fixed and the connector jack is fitted into the connector plug to perform wiring.

However, with the former fixing method, there are problems in that depending on the mounting position of the printed circuit board or the structure of the case on which it is mounted, it may be difficult to secure it with screws because it is restricted by internal equipment, and removal work for maintenance inspections is troublesome. Moreover, in the latter fixing method, there was a problem in removing material from the printed circuit board due to the uneven fitting means.

The present invention was created in view of the above points, and by fixing one end of the printed circuit board to the bracket using the mating of a plug and jack, it does not require a specially shaped printed circuit board, and any It is an object of the present invention to provide a fixed structure for a printed circuit board that can be easily installed in any location and easily taken out, and is characterized by at least one pair of cut pieces spaced apart approximately equal to the width of the printed circuit board. , a printed circuit board comprising a mounting piece that fixedly holds one end of the printed circuit board, and a pair of engaging pieces provided at a position slightly larger than the height or depth of the printed circuit board from the mounting piece. Prepare a fixing bracket, fix and hold one end of the printed circuit board with the mounting piece, restrict movement of the printed circuit board in the width direction with the cut and raised piece, and fit into the connector fixed to the other end of the printed circuit board. A part of the connector jack is engaged with the engaging piece.

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view showing an embodiment of a printed circuit board fixing structure according to the present invention.

In the figure, a printed circuit board fixing bracket 1 is formed into a flat plate shape, and a pair of mounting pieces 2 and 3 for mounting the board, which are bent toward the front at an almost right angle, are opposed to each other on both sides of the flat end. It is provided.

Each of the mounting pieces 2 and 3 is formed with a mounting groove 4 that opens upward, is wide at the open end side, and becomes narrower as it goes downward.

On both side edges of the printed circuit board fixing bracket 1, there are two pairs of cut and raised pieces 5, 6 and 7, 8 which are bent forward and facing each other and a pair of spacer plates, similar to the above-mentioned mounting pieces 2 and 3. 9 and 10 are provided.

The two pairs of raised pieces 5, 6 and 7, 8 restrict the movement of the printed circuit board 11 in the left-right direction, that is, the width direction, and the distance l between them is set to be approximately equal to the width dimension of the printed circuit board 11. .

The pair of spacing plates 9 and 10 are for separating the printed circuit board 11 from the surface of the bracket 1 for fixing the printed circuit board by a certain distance, and the height h thereof is equal to the mounting groove 4 of the mounting pieces 2 and 3.
is set to a height of .

Furthermore, a pair of retaining pieces 12.13 bent forward are provided at the upper end of the printed circuit board fixing bracket 1 to face each other, and each of these engaging pieces 12.13 has a downward opening. An engagement groove 14 is formed.

The lower end surfaces 15 of the engaging pieces 12 and 13 each constitute a locking surface for the printed circuit board 11, so the dimension from this lower end surface 15 to the bottom of the mounting groove 4 of the mounting pieces 2 and 3 is The height of the printed circuit board 11 is set to be approximately equal to the height of the printed circuit board 11.

On the other hand, a connector plug 16 is fixed to the upper end of the printed circuit board 11.

A large number of connector pins 18 into which connector jacks 17 are fitted are implanted in the connector plug 16, and a pair of rotatable movable pieces 19, 20 are attached to both ends of the connector plug 16.

A jack holding piece 21 for locking the connector jack 17 and preventing it from coming off is integrally provided on the inner surface of the tip end of the movable pieces 19 and 20, respectively.

The connector jack 17 is connected to the pair of retaining pieces 12.1.
The width dimension is slightly smaller than the interval of 3.

Next, the fixing order of the printed circuit board according to the above configuration will be explained using FIGS. 2a and 2l).

First, insert the lower end of the printed circuit board 11 into the mounting groove 4 of the mounting pieces 2 and 3 from diagonally in front of the bracket 1 for fixing the printed circuit board, and place the printed circuit board between the cut and raised pieces 5 and 6 and 7 and 8. 11 while storing it, raise it to the side of the bracket 1, and bring its back side into contact with the spacer plates 9 and 10.

Next, the connector jack 17 is inserted between the retaining pieces 12.13 and fitted into the connector plug 16.

With this mating, the movable piece 19°20 of the connector plug 16
is pressed and rotated by the lower end corner of the connector jack 17, whereby the jack holding piece 21 is moved between the engaging pieces 12 and 13.
By fitting into the engagement groove 14 and pressing and locking the upper surface of the connector jack 17, the connector jack 17 is prevented from coming off.

As a result, the printed circuit board 11 is fixed and held in a substantially perpendicular state to the printed circuit board fixing bracket 1.

Note that the upper end surface of the printed circuit board 11 is connected to the engaging piece 12,
It is abutted and locked by the locking surface 15 of 13 to prevent upward movement.

When removing the printed circuit board 11, move the movable piece 19°20
by rotating the connector jack 17 and the engaging piece 12,
13 is disengaged from the engagement groove 14, the connector jack 17 is removed from the connector plug 16, and the printed circuit board 1 is removed.
1 can be easily removed by tilting it forward and pulling out its lower end from the mounting groove 4 of the mounting piece 2.3.

FIG. 3 is an exploded perspective view showing another embodiment of the present invention, in which a pair of retaining pieces 12 and 13 are provided with a separating surface 30 to serve as a separating plate, and instead of forming an engaging groove, the pair of retaining pieces 12 and 13 are arranged upwardly. All other structures are the same as those of the above-described embodiment except that protruding engagement protrusions 31 are provided and mounting holes 32 are bored at both ends of the connector jack 17 in correspondence with the engagement protrusions 31. ing.

Even in this configuration, the lower end of the printed circuit board 11 is fitted into and engaged with the mounting grooves 4 of the mounting pieces 2 and 3 to be held as in the above embodiment.

Then, the printed circuit board 11 is raised and its back surface is brought into contact with the separation surface 30 of the engaging pieces 12 and 13, and the connector jack 17 is fitted into the connector plug 16, and the engaging pieces 12 and 13 are fitted into the mounting hole 32. By engaging with the engaging protrusion 31, the printed circuit board 11 can be fixed to the printed circuit board fixing bracket 1 in the same manner as described above.

At this time, the printed circuit board 11 is prevented from coming off upward by abutting its upper end surface against the locking surfaces 15 of the engaging pieces 12 and 13.

In addition, in the above embodiments, the case where the printed circuit board is fixed and held almost vertically has been described, but the present invention is not limited to this, and it goes without saying that the bracket may be installed horizontally to fix the printed circuit board horizontally. be.

Further, in the above embodiment, a pair of placement pieces 2, 3 and two pairs of cut-out pieces 5, 6, 7, and 8 were provided on the bracket, but the present invention is not limited to this in any way. no, at least 1
Any device may be used as long as it has one mounting piece and a pair of cut and raised pieces.

As described above in detail, the printed circuit board fixing structure according to the present invention includes at least one mounting piece that fixes and holds one end of the printed circuit board, and at least one pair of cutouts that restricts the movement of the printed circuit board in the left and right direction. Since the printed circuit board is fixed and held using the printed circuit board fixing bracket I, which has a pair of engagement pieces that engage with the connector jack, when fixing the printed circuit board, there are no set screws, It can be easily installed without the need for caulking, etc., and without the need for complicated positioning.

Therefore, it can be easily installed even in the deepest part of the housing, and it can also be easily removed, which has great effects.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing an embodiment of the present invention, Fig. 2a
, l) are a front view and a vertical sectional view for explaining the mounting of a printed circuit board, and FIG. 3 is an exploded perspective view showing another embodiment of the present invention. 1...Bracket for fixing printed circuit board, 2, 3
...Placement piece, 4...Placement groove, 5-8.
... Cut and raised piece, 9, 10 ... Spacer plate, 11
......Printed circuit board, 12.13...Engagement piece, 14...Engagement groove, 16...Connector plug, 17... connector jack.

Claims (1)

[Scope of utility model registration request] at least one pair of raised pieces spaced apart approximately equal to the width of the printed circuit board; at least one mounting piece for fixing and holding one end of the printed circuit board; One end of the printed circuit board is fixed and held by the mounting piece described above on a printed circuit board fixing bracket equipped with a pair of retaining pieces provided at slightly larger dimensional positions, and a connector plug is fixed to the other end of the printed circuit board. 1. A printed circuit board fixing structure, characterized in that when a connector jack is fitted into the connector jack, a part of the connector jack engages with the engaging piece to fix the printed circuit board.