JP2002176276A - Storage device for electronic unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent fall-off of a panel unit from a storage box at the time of attaching/detaching the panel unit and to simplify the structure. SOLUTION: Guide pins 11 formed in cylindrical shapes are erected on a pair of the oppositely fitted side boards 9b of a guide rail 9. Notches 5 which are constituted of horizontal parts 1a, vertical parts 12b and insertion parts 12c and through which the guide pins 11 pass are installed in both side boards 5b of the chassis 5 of an electronic unit 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage device for an electronic equipment unit, and more particularly, to a fall prevention mechanism for preventing a fall of the electronic equipment unit from the storage device. The present invention relates to a structure for reducing costs and reducing costs.

[0002]

2. Description of the Related Art A conventional storage device for an electronic equipment unit has a structure as shown in FIG. FIG.
(A) is an external perspective view of a main part showing the attachment and detachment of the electronic device unit to and from the storage device of the electronic device unit. Although a storage box is not shown, a plurality of screw holes 8a are provided on the left and right inner walls on the front surface. A fixing bracket 8 having a U-shaped cross section is formed. A guide rail 9 having an L-shaped cross section is attached to the inside of the fixing bracket 8 so as to face each other. The electronic device unit 30 has a U-shaped cross section corresponding to the guide rail 9. A chassis 31 having a panel 4 formed on the front surface is provided, and the electronic circuit board 6 is mounted in the chassis 31. When mounting the electronic device unit 30 in the storage box, the chassis 31 is placed on the guide rail 9 and slid rearward, so that the chassis 31
The two sides of the panel 4 attached to the front of the
To make contact with Next, the screw 10 is attached to the panel 4
The electronic device unit 30 is fixed to the storage box by being inserted into the screw insertion holes 4a formed at the four corners of the bracket and screwed into the screw holes 8a of the fixing bracket 8.

However, the electronic equipment unit 30
When the screw is removed from the storage box, the screw 10 is removed and the chassis 31 is slid forward.
1 is mounted on the guide rail 9 and has no fixed portion, so that the electronic device unit 30 is tilted forward, falls off the storage box, falls on the floor, and falls on the floor. There was a risk of damaging 6 mag. Also, when attaching the electronic device unit 30, it is necessary to work while paying attention to falling off.

In order to solve the above problems, for example, as shown in FIG. 4B, a guide 33 using a ball bearing, a roller, or the like is provided in the storage box, and the guides 33 are provided on both sides of the chassis 31. There is a configuration in which a slide rail 32 guided by a guide 33 is provided, and the slide rail 32 is held by the guide 33 to prevent the electronic device unit 30 from falling off. However,
When the guide 33 uses a ball bearing, a roller, or the like, there is a problem that the cost of the storage device increases.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention reduces the number of components constituting a drop-off prevention mechanism for preventing a drop-off of an electronic device unit from a storage device, and at the same time reduces the cost. An object of the present invention is to provide a storage device for an electronic device unit.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention has a box-like shape having an open front surface, and is provided in a storage box for accommodating a power supply, a switchboard, and the like, and provided on left and right inner walls of the storage box. And a pair of guide rails attached to the fixture and having a pair of guide rails extending back and forth, which are attached to the fixture and provided with a side plate and a bottom plate, corresponding to the screw holes. A panel provided with a screw insertion hole, a chassis attached to the back surface of the panel and composed of both side plates and a bottom plate, and an electronic circuit board mounted on the chassis constitute an electronic device unit.
While sliding the chassis on the bottom plate of the guide rail and storing it in the electronic device unit mounting portion,
In a storage device for an electronic device unit in which a screw inserted into the screw insertion hole is screwed into the screw hole of the fixing bracket and fixed, a guide portion for slidably supporting the chassis on the guide rail is provided. , A guide pin, and a notch guided by the guide pin, one of which is provided on the chassis and the other is provided on the guide rail.

The notch provided in the chassis is inserted with a horizontal portion, a vertical portion connected to a rear end of the horizontal portion, and the guide pin connected to a lower end of the vertical portion and extended to a bottom plate. It has a configuration including an insertion portion.

Further, the guide pin is formed of a POM (polyacetal delrin) resin material having a low frictional resistance.

Further, the guide rail has a configuration in which the cross section is formed in an L-shape, and the guide rail is provided on the fixing bracket so as to face each other.

[0010] Further, a sliding member is attached to the upper surface of the bottom plate of the guide rail.

[0011] Further, a plurality of the screw holes are formed in a vertical direction of the fixing bracket.

[0012] Further, the vertical portion of the notch formed in the chassis is formed so as to expand downward.

Further, a plurality of arc-shaped concave portions are provided on upper and lower edges of the horizontal portion of the notch.

[0014] Further, the guide pin is provided with a flange having an enlarged diameter at a tip end thereof.

Further, the bottom plate of the guide rail is formed in a wave shape in the front-rear direction.

Further, the chassis includes a horizontal portion for slidably supporting the guide pins, and an insertion portion opened at a rear end of the chassis connected to the horizontal portion. The notch provided with the projection is provided.

[0017]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is an external perspective view showing a storage device for an electronic device unit according to the present invention, and FIG. 2 is a perspective view of a main part thereof. As shown in FIG. 1, a storage device 1 for an electronic device unit according to the present invention includes a box-shaped storage box 2 having an open front and a storage box 2.
An outer casing is constituted by an opening / closing door 2a attached to the front side of the front door 2 so as to be opened and closed by a hinge 2b. A power supply device (not shown) is stored in an upper portion of the storage box 2, an electronic device unit 3 is stored in a central portion, and a switchboard (not shown) is stored in a lower portion, and the storage device 1 is used for communication. It is used for repeaters and the like.

The electronic device unit 3 includes a panel 4 having a display section and operation buttons and having screw insertion holes 4a at four corners.
And a chassis 5 having an open upper surface and both side plates 5b and a bottom plate 5a. The chassis 5 is mounted on the back surface of the panel 4, and the electronic circuit board 6 is mounted on the chassis 5 via a spacer or the like. On the left and right inner walls of the storage box 2, a fixing bracket 8 having a U-shaped cross section and a plurality of screw holes 8a corresponding to the screw insertion holes 4a of the panel 4 is provided on the front face, A pair of guide rails 9 having an L-shaped cross section and facing each other are attached to the inside of the fixing bracket 8 so as to extend in the front-rear direction. The mounting unit 7 is configured.

The guide rail 9 is composed of a bottom plate 9a and a side plate 9b, as shown in an external perspective view of a main part of FIG. A pair of cylindrical guide pins 11 formed of a resin material are provided so as to face each other, and slide on the bottom plate 9a so that the chassis 5 can slide on the bottom plate 9a without resistance. The member 9c is stuck. A notch 12 through which the guide pin 11 is inserted and which is guided is formed in the left and right side plates 5 b of the chassis 5 of the panel unit 3.
The notch 12 has a horizontal portion 12a formed in a horizontal direction.
And a vertical portion 12b continuously drilled at the rear end of the horizontal portion 12a in the vertical direction, and an insertion portion 12c extending from the vertical portion 12b to the bottom plate 5a.

Next, a procedure for mounting the electronic device unit 3 on the electronic device unit mounting portion 7 will be described. First, the guide pin 11 is inserted into the insertion portion 12c formed in the bottom plate 5a so that the rear portion of the bottom plate 5a of the chassis 5 is slightly lifted. Next, the rear portion of the bottom plate 5a is lowered, and the chassis 5 is placed on the guide rail 9. Thereby, the guide pin 11 is inserted into the horizontal portion 12a via the vertical portion 12b. When the chassis 5 is slid rearward on the guide rail 9 in this state, the electronic unit 3 is guided to the mounting position by the guide pin 11 guiding the horizontal portion 12a. The rear surfaces of both sides of the panel 4 are brought into contact with the front surface of the fixing bracket 8, and a screw 10 inserted through the screw insertion hole 4 a formed in the panel 4 is screwed into the screw hole 8 a of the fixing bracket 8. Then, the electronic device unit 3 is mounted on the electronic device unit mounting portion 7.

When removing the electronic device unit 3 from the electronic device unit mounting portion 7, the electronic device unit 3 is pulled out to the front in a procedure reverse to the above procedure.
When the chassis 5 is slid on the guide rail 9 and pulled out to the front, the guide pins 11 are engaged with the upper edge of the horizontal portion 12a of the notch 12, so that the electronic device unit 3 is vigorously urged. Even if the electronic circuit board 6 is pulled out to the front, it can be prevented from inclining, dropping from the storage box 2, falling on the floor, and damaging the electronic circuit board 6 and the like. ing.

Next, a second embodiment will be described.
In the second embodiment, as shown in FIG. 3A, a vertical portion 13b of a notch 13 formed in a side plate of a chassis 5 is formed so as to expand downward, and a horizontal portion of the notch 13 is formed. The guide pin 11 can be easily guided to 13a.
In the third embodiment, as shown in FIG. 3B, the vertical portion 14b of the cutout 14 formed in the side plate of the chassis 5 is formed by expanding downward, and is formed at the upper and lower edges of the horizontal portion 14a. The electronic device unit 3 is provided with an arc-shaped recess 14 c so that the guide pin 11 can be engaged with the recess 14 c.
Is pulled out, the electronic device unit 3 can be stopped at a plurality of intermediate positions.

In the fourth embodiment, as shown in FIG.
A flange 11a is provided at the tip of a guide pin 11 that is inserted into a notch horizontal portion 12a that is erected on the side plate of the guide rail 9 and that is drilled in the chassis 5. When the chassis 5 slides back and forth by the flange 11a, The position of the chassis 5 in the left-right direction can be adjusted. In the fifth embodiment, as shown in FIG. 3D, the chassis 5 is provided with a horizontal notch 15 which is opened at the rear end of the chassis 5, and the notch 15 is provided with a horizontal portion 15a and a horizontal portion 15a. An insertion portion 15b that expands toward an opening continuous with the insertion portion 15a;
5b and a projection 15c provided at the upper end of the base end.
The guide pin 11 can be inserted horizontally and can be hooked by the projection 15c. In the sixth embodiment, as shown in FIG. 3E, the bottom plate 16a of the guide rail 16 attached to the inside of the fixing bracket 8 is formed in a wave shape in the front-rear direction, and the above-mentioned bottom plate 16a When the chassis 5 slides, the frictional resistance is reduced so that the electronic device unit 3 can be easily attached and detached.

[0024]

As described above, according to the present invention,
Guide pins protrude from the guide rails attached to the fixing brackets on the left and right inner walls of the storage box, and the guide pins are inserted into both side plates of the chassis of the electronic device unit, including a horizontal part, a vertical part, and an insertion part. When the electronic device unit is attached to and detached from the storage box, the guide pin is hooked on the notch, thereby preventing the electronic device unit from dropping out of the storage box, Positioning and the like can be easily performed, and a storage device for an electronic device unit with reduced cost can be provided.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing a storage device for an electronic device unit according to the present invention.

FIG. 2 is an external perspective view of a main part showing a storage device for an electronic device unit according to the present invention.

FIG. 3A is an external perspective view showing a second embodiment of the electronic device unit storage device according to the present invention. (B) is an external perspective view showing a third embodiment. (C) is an external perspective view showing a fourth embodiment. (D) is an external perspective view showing a fifth embodiment. (E) is an external appearance perspective view which shows 6th Example.

FIG. 4A is an external perspective view of a main part showing an example of an electronic device unit storage device according to a conventional example. (B) is an external perspective view of a main part showing another example of the conventional electronic device unit storage device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage device of electronic equipment unit 2 Storage box 2a Opening / closing door 2b Hinge 3 Electronic equipment unit 4 Panel 4a Screw insertion hole 5 Chassis 5a Bottom plate 5b Side plate 6 Electronic circuit board 7 Electronic equipment unit mounting part 8 Fixing bracket 8a Screw hole 9 Guide rail 9a Bottom plate 9b Side plate 10 Screw 11 Guide pin 11a Flange 12 Notch 12a Horizontal part 12b Vertical part 12c Insertion part 13 Notch 13a Horizontal part 13b Vertical part 14 Notch 14a Horizontal part 14b Vertical part 14c Arc-shaped concave part 15a Horizontal part 15b Insertion part 15c Projection 16 Guide rail 16a Wavy bottom plate

Claims (11)

[Claims] 1. A fixing box which is formed in a box shape with an open front surface and houses a power supply, a switchboard, and the like, is provided on left and right inner walls of the storage box, and has screw holes formed in a front surface thereof. A panel provided with an electronic device unit mounting portion that is attached to a fixing bracket and includes a pair of guide rails extending in the front-rear direction and including a side plate and a bottom plate, and a screw insertion hole corresponding to the screw hole, and a back surface of the panel. A chassis consisting of both side plates and a bottom plate attached to an electronic circuit unit constituted by an electronic circuit board mounted on the chassis, and the electronic device unit is formed by sliding the chassis on the bottom plate of the guide rail. A storage device for an electronic device unit, which is housed in an electronic device unit mounting portion and is fixed by screwing a screw inserted through the screw insertion hole into the screw hole of the fixing bracket. A guide portion for slidably supporting the chassis on the guide rail, comprising a guide pin and a notch guided by the guide pin, one of these being provided in the chassis, and the other being the guide; An electronic device unit storage device provided on a rail. 2. The notch provided in the chassis is inserted with a horizontal portion, a vertical portion connected to a rear end of the horizontal portion, and the guide pin connected to a lower end of the vertical portion and extended to a bottom plate. The storage device for an electronic device unit according to claim 1, comprising an insertion portion. 3. The guide pin according to claim 1, wherein said guide pin has a low frictional resistance.
The storage device for an electronic device unit according to claim 1, wherein the storage device is formed from a resin material of OM (polyacetal delrin). 4. The storage device for an electronic device unit according to claim 1, wherein the guide rails are formed in an L-shaped cross section, and are provided on the fixing bracket so as to face each other. 5. The storage device according to claim 1, wherein a sliding member is attached to an upper surface of a bottom plate of the guide rail. 6. The storage device for an electronic device unit according to claim 1, wherein a plurality of the screw holes are formed in a vertical direction of the fixing bracket. 7. The electronic device unit according to claim 1, wherein the vertical portion of the cutout formed in the chassis is formed so as to expand downward. Storage device. 8. The storage device for an electronic device unit according to claim 1, wherein a plurality of arc-shaped concave portions are provided on upper and lower edges of the horizontal portion of the notch. . 9. The method according to claim 1, wherein an enlarged flange is provided at a tip of the guide pin.
A storage device for an electronic device unit according to claim 1. 10. The storage device for an electronic device unit according to claim 1, wherein the bottom plate of the guide rail is formed in a wavy shape in the front-rear direction. 11. A horizontal portion for slidably supporting the guide pin on the chassis, and an insertion portion opened at a rear end of the chassis connected to the horizontal portion, wherein one of upper and lower edges of the horizontal portion is provided. The storage device for an electronic device unit according to claim 1, wherein a notch provided with the protrusion is provided.