JPH10112590A - Mechanism of mounting printed circuit board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mechanism of mounting a printed circuit board improving operability for mounting and dismounting the printed circuit board together with having no danger of falling off of the printed circuit board from a package at the time of transfer or the like and having no need of removing screws or the like for being stored at the time of dismounting the printed circuit board moreover having no danger of lost of screws or the like. SOLUTION: A sliding member 66 is free displacably provided on one side wall member 44a constituting a package 42 in the directions of the arrows B, C and a stopper 70 is formed on this sliding member 66 in conforming to a printed circuit board 48. When a screw 74 is loosened to displace the sliding member 66 in the arrow C direction, the printed circuit board 48 becomes allowed to be mounted and dismounted on and from the package 42 and when the sliding member 66 is displaced in the B arrow direction, the stopper 70 prevents the printed circuit board 48 from falling off from the package 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a mechanism for mounting a printed circuit board on a housing for accommodating electronic equipment and the like.

[0002]

2. Description of the Related Art Conventionally, the following mechanism has been employed for mounting a printed circuit board on a housing or the like. That is,
In the printed circuit board mounting mechanism 10 according to the related art, as shown in FIG. 7, a space 14 is formed in a housing 12, and a plurality of printed circuit boards 16 are inserted into the space 14 in parallel with each other. Although not shown, the printed board 16 is connected to a connector provided at the bottom of the space 14. Each of the printed boards 16 is provided with a board attaching / detaching tool 18. As shown in FIG. 8, the substrate attaching / detaching tool 18 is formed in a long shape. In the figure, a pressing portion 20 is formed at one end and a gripping portion 22 is formed at the other end. The pressing portion 2
A protruding portion 24 is formed between the gripper portion 0 and the grip portion 22, and the protruding portion 24 is rotatably engaged with the printed board 16 via a shaft member 26. As shown in FIG. 7, slits 28a and 28b are formed in the pressing portion 20 in parallel with each other.
Can be inserted freely.

[0003] When the printed circuit board 16 is removed from the housing 12, when the gripping portion 22 of the board mounting / detaching tool 18 is rotated in the direction of arrow A (see FIG. 8), the pressing portion 20 presses a part of the housing 12. As shown by a two-dot chain line in FIG.
6 is displaced and removed from a connector (not shown). Therefore, the printed circuit board 16 can be removed from the housing 12.

However, in such a mounting mechanism 10, when the housing 12 is transported or the like, the fitting between the connector and the printed board 16 is loosened due to vibration, impact, or the like, and the printed board 16 may fall off. .

Therefore, as shown in FIG. 9, a plate-like member 30 is provided in the opening of the housing 12 so as to extend in a direction perpendicular to the arrangement direction of the printed circuit boards 16. A structure has been proposed in which the printed board 16 is held and the plate member 30 is configured to be detachable from the housing 12 by screws 32. In this case, the plate member 30 slightly protrudes inward from the opening of the space 14 so that the printed circuit board 1
6 is prevented from falling off.

Further, as shown in FIG. 10, one decorative panel 34 is provided for one printed circuit board 16 in the housing 12.
In some cases, the printed circuit board 16 is prevented from falling off by being provided detachably with the screw 36 in the opening.

[0007]

However, in the above-described conventional printed circuit board mounting mechanism, the printed circuit board 16 is not provided.
In order to remove the screws, the screws 32, 36, the plate member 30, and the decorative panel 34 must be removed, and the screws 32, 36, the plate member 30, and the decorative panel 34 are stored until the printed circuit board 16 is mounted again. Therefore, there is a concern that this storage is complicated, labor and time required for attachment and detachment thereof, and that the decorative panel 34 and the like are lost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and there is no fear that the printed circuit board will fall off the housing during transportation or the like. An object of the present invention is to provide a mounting mechanism for a printed circuit board, which eliminates the need and improves the operability for attaching and detaching the printed circuit board, and has no fear of loss of screws or the like.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a housing having a space into which a printed board is inserted, and a printed circuit board provided in an opening of the housing. A slide member that is displaceable in a direction orthogonal to the arrangement direction of the slide members, and a stopper that is formed on the slide member and that prevents the printed circuit board from being inserted or removed when the slide member is displaced to one side. I do.

According to the present invention, when the printed board is inserted into the housing, the slide member is displaced to one side, and the stopper of the slide member prevents the printed board from falling off.

In this case, when the housing is provided with a screw that is inserted into a long hole formed in the slide member,
By loosening the screw, the slide member can be displaced in a predetermined direction. On the other hand, by tightening the screw, the slide member can be fixed to the housing, which is preferable.

In this case, a spring member for urging the slide member toward one side and a rod-like member gripped by an operator are engaged with the slide member, and the slide member is displaced toward the other side. And an engaging portion to be provided. Therefore, the worker engages the rod-shaped member or the like with the engaging portion,
By displacing the slide member to the other side against the elastic force of the spring member, the stopper is displaced and the printed circuit board can be inserted and removed, which is more preferable.

Further, when the engaging portion is a wall constituting a hole formed in the slide member, the operator can easily engage the rod-shaped member with the engaging portion,
More preferred.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a printed circuit board mounting mechanism according to the present invention will be described below with reference to the accompanying drawings.

In FIG. 1, reference numeral 40 denotes a printed circuit board mounting mechanism according to a first embodiment of the present invention. The mounting mechanism 40 includes a housing 42. The housing 42 is formed by combining a plurality of wall members 44a and 44b so as to be orthogonal to each other, and the wall members 44a and 44b form a space 46. A plurality of printed circuit boards 48 are inserted into the space 46 in parallel with the one wall member 44b. In this case, a guide member for guiding the printed circuit board 48 may be provided on the other wall member 44a. Although not shown, one edge of the printed circuit board 48 is inserted into a connector provided at a bottom portion forming the space 46,
The connector and the printed circuit board 48 are electrically connected.

Each of the printed boards 48 is provided with a board attaching / detaching tool 50 formed in a long shape. That is, as shown in FIG. 2, the substrate attaching / detaching tool 50 has a pressing portion 52 formed on one side and a grip portion 54 formed on the other side. On one surface of the grip portion 54, an uneven portion 56 is formed so that an operator can easily grip with a finger. A protruding portion 58 is formed between the pressing portion 52 and the grip portion 54,
The protruding portion 58 is connected to the printed circuit board 4 via a shaft member 60.
8 is provided rotatably. As shown in FIG.
As shown in FIG. 7, slits 62a and 62b are formed parallel to each other, and the printed circuit board 48 can be inserted into one slit 62a.

The wall member 4 orthogonal to the printed circuit board 48
4a is provided with a slide member 66. The slide member 66 is formed of a long plate and slightly protrudes inward from the space 46. The slide member 66 has a plurality of slits 68 through which an edge of the printed circuit board 48 can be inserted.
Is formed, and a stopper 70 is formed between the adjacent slits 68. The pressing portion 52 of the substrate attachment / detachment tool 50 can abut on the stopper 70. A plurality of long holes 72 are formed in the slide member 66. A screw 74 is inserted through the long hole 72, and the screw 74 is inserted into the long hole 7.
2 is slidable on the wall forming it. Therefore, the slide member 66 can be displaced in the longitudinal direction of the elongated hole 72 (in the directions of arrows B and C), and the wall forming the elongated hole 72 abuts on the screw 74, whereby the slide member 6 is moved.
6 is restricted.

The mounting mechanism 40 for a printed circuit board according to the first embodiment is basically constructed as described above. Next, the operation of the mechanism will be described.

When the printed circuit board 48 is inserted into the housing 42, the screw 74 is loosened and the slide member 66 is displaced in the direction of arrow B so that the slit 68 coincides with the insertion position of the printed circuit board 48 as shown in FIG. Let it. Next, the edge of the printed board 48 is inserted into the slit 68 and inserted into the space 46. When the printed board 48 is engaged with a connector (not shown), the pressing portion 52 of the board attaching / detaching tool 50 is
Abuts against the stopper 70 of the slide member 66.

After the printed circuit board 48 is inserted into the space 46, as shown in FIG.
0 displaces the slide member 66 in the direction of the arrow C so that 0 restricts the displacement of the printed circuit board 48. And screw 74
And the slide member 66 is fixed. For this reason, even if the housing 42 is conveyed and a vibration or an impact is applied to the printed circuit board 48, there is no fear that the printed circuit board 48 is pressed by the stopper 70 and falls off from the connector.

To remove the printed circuit board 48, the screw 74 is loosened and the slide member 66 is displaced in the direction of arrow B so that the slit 68 matches the insertion position of the printed circuit board 48 (see FIG. 1). The holding portion 54 of the substrate attaching / detaching tool 50 is
As shown by the two-dot chain line in FIG. 2, when the printed circuit board 48 is rotated in the direction of arrow D, the pressing portion 52 presses the slide member 66, and the printed circuit board 48 is displaced and removed from the connector (not shown). Therefore, the printed circuit board 48 is removed from the space 46. At this time, there is no need to remove the screw 74 only by loosening it, and the slide member 66 is not removed. Therefore, there is no need to store the screw 74 and the slide member 66, and there is no fear of loss.

Next, a printed circuit board mounting mechanism 80 according to a second embodiment will be described with reference to FIG.
The same components as those of the mounting mechanism 10 of the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

The housing 81 of the mounting mechanism 80 includes a plurality of wall members 8.
2a to 82c. One wall member 82a orthogonal to the printed circuit board 48 is formed in an L-shaped cross section,
At the corner of the wall member 82a, a plurality of holes 84 are formed corresponding to the arrangement position of the printed circuit board 48,
An elongated hole 86 is formed on one surface of the wall member 82a. A plurality of screws 90 are inserted into the wall member 82a through a hole (not shown).

On the back side of the wall member 82a, the wall member 8 is provided.
A long plate-shaped slide member 92 parallel to one surface of 2a
The slide member 92 is provided with a stopper 94 that is inserted into the hole 84. The width of the stopper 94 is formed smaller than the width of the hole 84, and the stopper 94 can be displaced inside the hole 84 in the directions of arrows E and F. An elongated hole 96 through which the screw 90 is inserted is formed in the slide member 92, and when the slide member 92 is displaced, a wall portion forming the elongated hole 96 abuts on the screw 90 and the displacement range of the slide member 92 is changed. Regulate. On the other hand, a long hole 98 is formed in the slide member 92, and when the slide member 92 is displaced in the direction of arrow E, a part of the long hole 98 overlaps the long hole 86 of the wall member 82a, and the slide member 92 Is displaced to the other, the entire elongated hole 98 overlaps the elongated hole 86. The wall of the elongated hole 98 is formed as an engaging portion 99 with which a rod-shaped member 102 such as a driver gripped by an operator is engaged. One end of the slide member 92 is provided with a plate-like spring member 10.
The other end of the spring member 100 is fixed to the wall member 82b of the housing 81. Therefore, the slide member 92 is constantly urged in the direction of arrow E.

The printed circuit board mounting mechanism 80 according to the second embodiment is basically constructed as described above, and its operation will be described below.

First, when inserting the printed circuit board 48 into the housing 81, the screw 90 is loosened. At this time, as shown in FIG. 5, the slide member 92 is displaced in the direction of the arrow E by the elastic force of the spring member 100, and the elongated hole 86 of the wall member 82a is formed.
Part of the slot 98 overlaps with the slot 98 of the slide member 92.

The rod member 102 such as a driver used when the operator loosens the screw 90 is engaged with the engaging portion 99, and the slide member 92 is moved in the direction of arrow F against the elastic force of the spring member 100. When it is displaced, the stopper 94 is displaced to the position shown in FIG. Then, when the printed circuit board 48 is inserted and the rod-shaped member 102 is removed from the engaging portion 99, the slide member 92 is urged by the spring member 100 to be displaced in the direction of arrow E as shown in FIG. 94 is the printed circuit board 4 again
8 is restricted. Then, the screw 90 is tightened. For this reason, even if the housing 81 is conveyed and vibration or impact is applied to the printed circuit board 48, the printed circuit board 48
There is no fear of being dropped by being held down by 4.

When the printed circuit board 48 is to be removed, the screw 90 is loosened, the rod-shaped member 102 is engaged with the engaging portion 99, and the slide member 92 is displaced in the direction of arrow F. When the stopper 94 moves to the position shown in FIG. The printed circuit board 48 can be removed by displacement. At this time, since it is not necessary to remove the screw 90 only by loosening it, there is no need to store the screw 90 and the slide member 92, and there is no fear of loss.

[0029]

According to the printed board mounting mechanism of the present invention, the following effects and advantages can be obtained.

Since the printed circuit board is held down by the stopper formed on the slide member, there is no fear that the printed circuit board will fall off due to vibration or impact during transportation or the like. Further, since it is not necessary to remove screws, slide members, and the like when attaching and detaching the printed circuit board, the screws, slide members, and the like need not be stored, and there is no fear of losing them. Furthermore, since the printed circuit board can be attached and detached by loosening the screws and displacing the slide member, the attachment and detachment of the printed circuit board is easy, the operability is improved, and the working time can be shortened.

[Brief description of the drawings]

FIG. 1 is a plan view showing a mounting mechanism of a printed circuit board according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of the mounting mechanism of FIG.

FIG. 3 is a plan view showing a method of using the mounting mechanism of FIG. 1 and in a state where a stopper restricts displacement of a printed circuit board.

FIG. 4 is a sectional view taken along the line IV-IV showing a method of using the mounting mechanism of FIG. 3;

FIG. 5 is a perspective view showing a printed circuit board mounting mechanism according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a method of using the mounting mechanism of FIG. 5, in a state where a printed circuit board is detachable.

FIG. 7 is a plan view showing a mounting mechanism of a printed circuit board according to the related art.

FIG. 8 is a sectional view taken along line VII-VII showing the mounting mechanism of FIG. 7;

FIG. 9 is a perspective view showing a printed circuit board mounting mechanism according to another related art.

FIG. 10 is a plan view showing a printed circuit board mounting mechanism according to still another conventional technique.

[Explanation of symbols]

 40, 80 mounting mechanisms 42, 81 housings 44a, 44b, 82a-82c wall members 48 printed circuit boards 50 board mounting / dismounting tools 66 sliding members 70 stoppers 72, 86, 96, 98 elongated holes 74 90 ... screw 99 ... engaging part 100 ... spring member 102 ... rod-shaped member

Claims (4)

[Claims] A housing provided with a space into which a printed circuit board is inserted; a slide member provided in an opening of the housing and displaceable in a direction orthogonal to an arrangement direction of the printed circuit boards; A stopper formed on the member and preventing insertion and removal of the printed board when the slide member is displaced to one side. 2. The printed circuit board mounting mechanism according to claim 1, wherein the housing is provided with a screw inserted into a long hole formed in the slide member, and the screw is loosened to allow the screw to be loosened. The slide member can be displaced in a predetermined direction,
The mounting mechanism for a printed circuit board, wherein the slide member is fixed to the housing by fastening the screw. 3. The mounting mechanism of a printed circuit board according to claim 1, wherein a spring member for urging the slide member toward one side and a rod-like member gripped by an operator are engaged with the slide member. And an engagement portion for displacing the slide member toward the other, and wherein an operator engages a rod-shaped member or the like with the engagement portion to cause the slide member to resist the elastic force of the spring member. The printed board mounting mechanism, wherein when the stopper is displaced to the other side, the stopper is displaced so that the printed board can be inserted and removed. 4. The printed circuit board mounting mechanism according to claim 3, wherein said engaging portion is a wall defining a hole formed in said slide member.