JP2002344174A - Printed wiring board fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a printed wiring board fixing structure wherein the operation of a switch used for the printed wiring board and the fixing operation can be carried out quickly and easily in a single operation. SOLUTION: In the printed wiring board fixing structure for fixing the printed wiring board 1 to a housing 30, when fixing means 10, 13, 31 for fixing the board 1 to the housing 30 or releasing the fixed state by operating an operating part 11 and the operating part 11 of the fixing means 11, 13, 31 are operated, an operating part 4 of a switch mounted on the printed wiring board 1 is operated simultaneously. The switch is turned on when the printed wiring board 1 is fixed to the housing 10, and the switch is turned off when the fixed state of the board 1 to the housing 30 is released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed wiring board fixing structure, and more particularly, to a printed wiring board fixing structure used in an electronic exchange device and other computer devices.

[0002]

2. Description of the Related Art Hitherto, a structure as shown in FIG. 7 has been employed for operating a switch of a printed wiring board used for an electronic exchange device and fixing the switch to a housing or the like.

In this printed wiring board fixing structure, a switch lever 103 for turning the switch ON / OFF is provided on the front side of a switch body 102 mounted toward the front side (the direction indicated by arrow X) of the printed wiring board 101. Is provided, and the operator turns the switch ON / OFF by moving the switch lever 103 up and down in the arrow Y direction. Also, the LED 10 is linked with the ON / OFF of this switch.
4 flashes. In addition, the printed wiring board 101 is
8, a fixing screw 106 or the like provided on the front side of the panel 105 is fastened and fixed to a thread portion 107 formed on the front side of the housing 108.

[0004]

However, in the above-described conventional printed wiring board fixing structure, the switch lever 1 is not provided.
03 is in the OFF state, and the power is
Since it is necessary to remove the fixing screw 106 and the like after confirming that the state has reached F, the two operations must be performed separately with a time interval, and there is a problem that the operations are complicated. .

In view of the above, the present invention has been made in view of the above-mentioned problems in the conventional printed wiring board fixing structure.
It is an object of the present invention to provide a printed wiring board fixing structure that can be quickly and easily performed by a single operation.

[0006]

According to one aspect of the present invention, there is provided a printed wiring board fixing structure for fixing a printed wiring board to a housing, wherein an operating section is operated. By operating the fixing means for fixing or releasing the fixing state of the printed wiring board to the housing and the operating part of the fixing means, the operating part of the switch mounted on the printed wiring board is simultaneously operated. The switch is turned on when the printed wiring board is fixed to the housing, and the switch is turned off when the fixed state of the printed wiring board to the housing is released.

According to the first aspect of the present invention, by operating the operation section of the fixing means, the printed circuit board is fixed to the housing or the fixed state is released, and the switch mounted on the printed circuit board is released. ON and OFF can be performed simultaneously with a single operation, so that the switch operation and the fixing operation for the printed wiring board can be performed quickly and easily. That is, conventionally, two operations had to be performed separately at a time interval, such as first operating a switch and then fixing or releasing the fixed state of the printed wiring board. In the present invention, only one operation is required. Also, conventionally, after the switch is operated, the power of the power supply is
Although N / OFF has been confirmed, this confirmation operation is not required.

According to a second aspect of the present invention, as a preferred embodiment of the printed wiring board fixing structure according to the first aspect, the fixing means includes a protrusion which can be inserted into and withdrawn from a hole formed in the housing; A hole through which a lever-shaped operation part of the switch can be inserted, and by operating the operation part of the fixing means, the protrusion is inserted into the hole of the housing and the lever of the switch is simultaneously operated. The switch is turned on by operating a button-shaped operation unit, and the switch is turned off by operating the lever-shaped operation unit of the switch at the same time as the protrusion is pulled out of the hole of the housing. And Thus, with a simple configuration, the fixing of the printed wiring board to the housing or the release of the fixed state, and the ON / OFF of the switch mounted on the printed wiring board can be simultaneously performed by one operation.

[0009]

Next, a specific example of an embodiment of a printed wiring board fixing structure according to the present invention will be described with reference to the drawings.

FIG. 1 shows a first embodiment of a printed wiring board fixing structure according to the present invention. The printed wiring board fixing structure includes a switch body 3, a switch lever 4, a metal fitting body 10, a switch lever 11 and the like. Etc.

A switch body 3 is mounted on the front side of the printed wiring board 1 (in the direction indicated by the arrow X). The switch body 3 has a switch ON / O facing the front side.
A switch lever 4 for performing a switching operation of the FF is provided. The switch lever 4 is made of metal, such as iron or stainless steel, and has a length such that its tip can penetrate the switch lever hole 12.

Further, an LED 5 for displaying the ON / OFF state after the ON / OFF switching operation of the switch is mounted on the front side of the printed wiring board 1 toward the front side.

The housing 30 is provided with a guide rail 32 for mounting the printed wiring board 1 while positioning the printed wiring board 1. The printed wiring board 1 is inserted into the center groove 33 of the guide rail 32 from the front of the housing 30. Thereby, attachment and detachment of the printed wiring board 1 can be performed.
After the printed wiring board 1 is mounted on the housing 30,
A hole 31 for fixing the printed wiring board is formed so that the printed wiring board 1 is not accidentally removed.

The bracket body 10 has a shape surrounding the periphery of the switch body 3 and is made of metal such as iron or stainless steel or high-strength plastic. A switch lever 11 is provided on the metal fitting body 10. Since the switch lever 11 is picked up by hand, it is preferable that the switch lever 11 is formed in a safe spherical shape or the like or a plastic molded product.

The fitting body 10 has a switch lever hole 12 into which the tip of the switch lever 4 is inserted, a printed wiring board fixing projection 13 inserted into a printed wiring board fixing hole 31 provided in the housing 30, and the like. Are provided on the same surface. As will be described later, the printed wiring board fixing projections 13 are pulled out of the printed wiring board fixing holes 31 provided in the housing 30 when raised, and are moved to the printed wiring board fixing holes 31 when lowered. It needs a length to be inserted and fitted. Further, the metal fitting body 10 is connected to the printed wiring board 1.
In order to fix it to the bracket main body 10, two elongated holes 14 having the same size in the longitudinal direction are provided in the metal fitting body 10.

The fixing bracket 20 is made of metal such as iron or stainless steel, or made of high-strength plastic.
1 is erected in two places. The pins 21 are formed in a column shape having a height equal to or greater than the thickness of the printed wiring board 1, and a female screw portion 22 is provided inside the center of the pin 21 in the column direction.

On the printed wiring board 1, two pin holes 2 are formed at the same positions as the elongated holes 14 and the pins 21 described above, and the pin holes 2 are larger than the diameter of the pins 21. It has a slightly larger hole diameter.

Next, the procedure for assembling the printed wiring board fixing structure having the above configuration will be described with reference to FIG.

First, the printed wiring board 1 is mounted on the housing 30. The printed wiring board 1 is inserted into the center groove 33 of the guide rail 32 of the housing 30 from the front and fixed to the housing 30.

Next, the metal fitting body 10 is fixed to the printed wiring board 1. The bracket body 10 is positioned so as to surround the periphery of the switch body 3, and while the tip of the switch lever 4 is inserted into the switch lever hole 12, the bracket body 1 is positioned.
0 is provisionally positioned. In this temporary positioning, the two long holes 14 provided in the metal fitting body 10 are aligned with the two pin holes 2 of the printed wiring board 1.

Next, the two pins 21 of the fixing bracket 20 are used.
Is inserted into the two pin holes 2 of the temporarily positioned printed wiring board 1, and two mounting screws 15 inserted from the metal fitting body 10 side are screwed into the female screw portions 22 provided on the pins 21, and the metal fittings The main body 10 is fixed to the printed wiring board 1.

Next, in the printed wiring board fixing structure assembled as described above, the fitting relationship between the metal fitting main body 10, the fixing metal fitting 20, and the printed wiring board 1 will be described with reference to FIGS. explain.

As described above, the two pins 21 of the fixing bracket 20 are formed as columnar projections having a length equal to or greater than the thickness of the printed wiring board 1. A part 22 is provided. The two pin holes 2 on the printed wiring board 1 have a diameter slightly larger than the diameter of the pins 21. Furthermore, the metal fitting body 1
The two long holes 14 provided at 0 have the same size and are formed long in the vertical direction. Due to the structure in consideration of these gaps, even if the two mounting screws 15 are tightened, the printed wiring board 1 and the fitting body 10 do not adhere to each other, and the fitting body 1
A value of 0 allows up and down operations to be performed smoothly.

Also, since there is a slight gap in the insertion relationship between the switch lever 4 provided in the switch body 3 and the switch lever hole 12 provided in the metal fitting body 10, the fitting In conjunction with up and down movement,
The switch lever 4 can be turned on / off while being located in the switch lever hole 12.

Next, the operation of the printed wiring board fixing structure assembled as described above will be described with reference to FIG.

The switch can be turned ON / OFF by moving the switch lever 11 provided on the metal fitting body 10 up and down in the direction of arrow Y. In addition, the LED 5 blinks according to ON / OFF of the switch, and the state of the switch can be always checked.

In conjunction with the vertical movement of the switch lever 11,
The printed wiring board fixing projections 13 provided on the metal fitting body 10 are inserted into and pulled out of the printed wiring board fixing holes 31 provided on the housing 30.

For example, as shown in FIG. 4, when the switch lever 11 is lowered, the switch lever 4 is also lowered, the switch is turned on, and the printed wiring board fixing projection 13 is formed in the housing 30. The printed wiring board 1 is inserted into the printed wiring board fixing hole 31, and the printed wiring board 1 does not come off the housing 30.

On the other hand, as shown in FIG. 5, when the switch lever 11 is lifted upward, the switch lever 4 is also raised, the switch is turned off, and the printed circuit board fixing projection 13 is formed in the housing 30. Since the printed wiring board 1 is removed from the printed wiring board fixing hole 31, the printed wiring board 1 is
Can be removed from.

Next, a second embodiment of the printed wiring board fixing structure according to the present invention will be described with reference to FIG.

In the above embodiment, by moving the metal fitting body 10 attached to the printed wiring board 1 up and down,
Although the ON / OFF of the switches and the fixing of the printed wiring board 1 to the housing 30 were performed simultaneously, in this embodiment,
For example, all of the switches are turned on / off by moving the switch lever 11 up and down in the arrow Y direction by linking a plurality of switches such as two or three switches.
The operation and the fixing of the printed wiring board 1 to the housing 30 can be performed simultaneously by one operation.

[0032]

As described above, according to the printed wiring board fixing structure of the present invention, the operation and the fixing operation of the switch for the printed wiring board can be performed quickly and easily by one operation. .

[Brief description of the drawings]

FIG. 1 shows a first embodiment of a printed wiring board fixing structure according to the present invention.
It is an exploded perspective view showing an example.

FIG. 2 is an assembled perspective view of the printed wiring board fixing structure of FIG. 1;

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is an operation explanatory view of the printed wiring board fixing structure of FIG. 1;

FIG. 5 is an operation explanatory view of the printed wiring board fixing structure of FIG. 1;

FIG. 6 shows a second embodiment of the printed wiring board fixing structure according to the present invention.
It is an assembly perspective view showing an example.

FIG. 7 is an assembled perspective view showing an embodiment showing an example of a conventional printed wiring board fixing structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Printed wiring board 2 Pin hole 3 Switch body 4 Switch lever 5 LED 10 Hardware body 11 Switch lever 12 Switch lever hole 13 Printed wiring board fixing projection 14 Long hole 15 Mounting screw 20 Fixing metal 21 Pin 22 Female screw part 30 Housing 31 Printed wiring board fixing hole 32 Guide rail 33 Central groove

Claims (2)

[Claims] 1. A printed wiring board fixing structure for fixing a printed wiring board to a housing, the fixing being configured to fix or release the fixed state of the printed wiring board to the housing by operating an operation unit. By operating the operation unit of the fixing means, the operation unit of the switch mounted on the printed wiring board is operated at the same time, and the switch is turned on when the printed wiring board is fixed to the housing. When the fixed state of the printed wiring board to the housing is released, the switch is turned off.
F. A printed wiring board fixing structure, characterized in that: 2. The fixing device according to claim 1, wherein the fixing device includes a protrusion that can be inserted into and removed from a hole formed in the housing, and a hole that can insert a lever-shaped operation portion of the switch. By operating the operation unit, the protrusion is inserted into the hole of the housing, and at the same time, the lever-like operation unit of the switch operates to turn on the switch, and the protrusion is turned on the housing. 2. The printed wiring board fixing structure according to claim 1, wherein said switch is turned off by operating a lever-like operation portion of said switch at the same time when said switch is removed from said hole.