JPH1056276A - Unit draw-out structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the cost by decreasing the number of parts and process manhours. SOLUTION: Relating to a unit 30 housed inside an electronic device, a drawer handle 38 of the unit 30 is formed by bending a rod-like member into a U-shape with stopper parts formed by bending at both tip parts, and the unit 30 is provided with holes 37 at positions corresponding to the both end parts of the draw handle 38, engagement/disengagement with the holes 37 permitted when the both end parts of the draw handle 38 deflected inside, and to draw out the other unit by drawing out the unit 30 after attaching the draw handle 38 to the holes 37 of the unit 30, the draw handle 38 can be attached to the other unit after removing the draw handle 38 from the unit 30, so, only one draw handle 38 is required, and the unit requires just opening a hole, thereby the number of parts and process manhours decrease.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit extracting structure for an electronic device having a plurality of units therein.

[0002]

2. Description of the Related Art Some electronic devices have a unit configuration in consideration of manufacturability and maintainability. When performing adjustment or maintenance of the electronic device, the electronic device having a plurality of units therein is pulled out of the unit from the housing of the electronic device and is performed in unit units. A handle is provided.

[0003] A conventional unit pull-out structure will be described with reference to FIG.

[0006] In FIG. 6, reference numeral 1 denotes a unit, 2 denotes a housing of an electronic device that houses the unit 1, and 3 denotes a cover of the housing.

The unit 1 is formed in a flat rectangular shape and houses therein a wiring board (not shown) on which a required electronic circuit is formed, and the unit 1 is dropped into the housing 2 from above. The housing 2 houses a plurality of the units 1.

[0006] Both ends of the front panel 4 of the unit 1 project from the unit 1 to form a flange 5, and a hole (not shown) for a mounting screw 6 is formed in the center of the flange 5. Has been established. At the approximate center of the upper surface of the front panel 4, a pull handle 7 is attached via a handle clamp 8.

The pulling handle 7 is formed in a rectangular shape by bending a rod-shaped member at four places, and the handle clamp 8 is formed with a mounting groove 9 from the back side. The pulling handle 7 is rotatably fitted. The handle clamp 8 is fixed to the front panel 4 by a rivet 10.

The pull handle 7 is fitted to the handle clamp 8, and the handle clamp 8 is attached to the front panel 4 together with the pull handle 7 by a rivet 10.

The unit 1 is housed in the housing 2,
The flange portion 5 is in contact with the peripheral edge of the housing 2, the unit 1 is mounted on the housing 2 by the mounting screws 6, and the housing 2 is covered by the cover 3.

When removing the unit 1, the cover 3 is removed, the mounting screw 6 is removed, and the pulling handle 7 is removed.
Was pulled out.

FIGS. 7 and 8 show another conventional example in which one pulling handle 16 is shared by a plurality of units.
The front panel 13 of the unit 12 has flange portions 14 at both ends.
A groove (not shown) is formed at the approximate center of the front panel 13 from the rear surface side, and a throttle hole 15 for a handle is formed at both ends of the groove. , A pull handle 16 is detachable.

The pulling handle 16 is formed in a rectangular shape in which a bar-shaped member is bent at four places and one part of one long side is cut off.

When the unit 12 is pulled out, both ends of the pulling handle 16 are fitted into the drawing aperture 15,
Raise the pulling handle 16 and pull out.

FIG. 7 shows still another conventional example, in which a front panel 19 of a unit 18 in the figure has a flange portion 20 with both ends protruding, and a handle clamp 21 is provided substantially at the center of the front panel 19. The handle clamp 21 is made of a rectangular plate, and the handle clamp 21
A groove 22 is press-formed in the vertical direction on the back side of the substrate.
The handle clamp 21 is fixed to the front panel 19 by the rivet 10.

When pulling out the unit 18, both ends of the pull-out handle 16 are fitted between the groove 22 of the handle clamp 21 and the front panel 19.

[0016]

However, in the above-mentioned conventional first unit pulling structure, since the pulling handle 7 and the handle clamp 8 are attached to all the units in the electronic device, the number of parts and the number of working steps are large. , The costs go up. In the second unit withdrawal structure, the throttle hole 1 for the handle of the unit 12 is formed.
Since No. 5 is formed using a dedicated drawing die, a drawing die is required, which increases the cost. In the third unit pull-out structure, the groove 22 of the handle clamp 21 requires a special bending mold for molding, and since the handle clamp 21 is attached to the unit 18, the number of parts, the number of working steps, and the cost are increased. There was a defect.

The present invention has been made in view of the above circumstances, and aims to reduce the number of parts and the number of man-hours to reduce costs.

[0018]

According to the present invention, in a unit housed in an electronic device, a pulling handle of the unit is formed by bending a rod-shaped member into a U-shape, and has both end portions. A unit which has a stopper formed to be bent at a position corresponding to both ends of the pulling handle, and to which both ends of the pulling handle can be fitted and detached. According to the structure, both ends of the pulling handle are formed to be concavely bent inward, and a first bent portion directed inward and a last bent portion directed outward in parallel with the first bent portion are respectively formed as stopper portions. The last bent portion is related to a unit pull-out structure shorter than the first bent portion, the pull-out handle is inserted into the hole to pull out the unit, and the pull-out handle is removed from the unit, Pull the pull handle to another position. Since it is attached to the target unit and the unit is pulled out, it is only necessary to make a hole in the unit, and multiple units can be pulled out with one pulling handle, reducing the number of parts and the number of work steps I do.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 5, reference numeral 30 denotes a unit;
Denotes a housing of the electronic device that houses the unit 30, and 32 denotes a cover of the housing 31. The unit 30 is formed in a flat rectangular shape, and houses therein a wiring board 33 on which a required electronic circuit is formed. The housing 31
A plurality of the units 30 are housed in the housing 31 by being dropped from above.

Both ends of the front panel 34 of the unit 30 protrude from the unit 30, and the protruding portion forms a flange 35, and a hole for a mounting screw 36 is formed in the center of the flange 35 (see FIG. (Not shown). In the vicinity of the center of the front panel 34, two handle holes 37 are formed at positions symmetrical to the center with respect to the center. 41 is a size that can be freely inserted and removed.

Both ends of the pulling handle 38 are bent inwardly in a concave shape, and the first bent portion facing inward is the first bent portion.
The first stopper part 4 is a stopper part 40.
The last bent portion toward the outside parallel to 0 is a second stopper portion 41, which is shorter than the first stopper portion 40. The second bent portion extending between the first stopper portion 40 and the second stopper portion 41 corresponds to the position of the handle hole 37.

The unit 30 is housed in the housing 31, the peripheral edge of the housing 31 abuts on the flange 35 of the unit 30, and the unit 30 is attached to the mounting screw 36.
Is attached to the housing 31, and the cover 32 covers the unit 30 and the housing 31.

When taking out the unit 30, the cover 32 is removed, the mounting screw 36 is removed, and the pulling handle 38 is mounted on the unit 30.

The recess at the tip of the mounting handle 38 is bent inward, and the tip of the second stopper 41 is inserted into the handle hole 37. Since the second stopper 41 is shorter than the first stopper 40 as described above, when the second stopper 41 is inserted into the handle hole 37, the first stopper 40 is Therefore, it is possible to prevent both ends of the pulling handle 38 from entering the unit 30 more than necessary. By releasing the bending after insertion, the front panel 34 fits into the concave portion at the tip. By fitting the front panel 34 into the concave portion at the tip, the second stopper portion 41 regulates upward pulling of the pulling handle 38, and the pulling handle 38
The pushing direction is regulated by the first stopper portion 40, so that the pulling handle 38 is not excessively pushed and does not interfere with the electronic components and the like inside the unit 30. Thus, the pulling handle 38 is attached to the unit 30, and the unit 30 can be pulled up by gripping the pulling handle 38.

When another unit 30 in the housing 31 is to be pulled out, the concave portion at the tip of the pulling handle 38 is bent inward to remove the pulling handle 38 from the unit 30;
Attach it to the unit to be extracted and pull it out in the same way.

[0027]

As described above, according to the present invention, the unit only needs to be provided with a hole for attaching a pulling handle, and the pulling handle is detachable, so that it is used in common for a plurality of units. It has excellent effects such as a reduction in the number of parts and man-hours, and a reduction in cost.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a view as viewed in the direction of arrows AA in FIG. 1;

FIG. 3 is a view taken in the direction of arrows BB in FIG. 2;

FIG. 4 is a drawing handle used in the first embodiment.

FIG. 5 is a plan view of a front panel of the unit according to the first embodiment.

FIG. 6 is a perspective view showing a conventional example.

FIG. 7 is a perspective view showing another conventional example.

8 is a view as viewed in the direction of arrows CC in FIG. 7;

[Explanation of symbols]

 Reference Signs List 30 unit 31 housing 32 cover 33 wiring board 34 front panel 35 flange portion 36 mounting screw 37 handle hole 38 pullout handle 40 first stopper portion 41 second stopper portion

Claims (2)

[Claims] In a unit housed in an electronic device, a pulling handle of the unit is formed by bending a rod-shaped member into a U-shape, and has a bent stopper portion at both ends. A hole is formed in the unit at positions corresponding to both ends of the pulling handle, and both ends of the pulling handle are removably fitted into the holes. 2. Both ends of the pulling handle are concavely bent inward, and a first inward bent portion and a last outward bent portion parallel to the first bent portion are stopper portions, respectively. The unit drawing structure according to claim 1, wherein the last bent portion is shorter than the first bent portion.