JPH07227013A - Electric facility housing box - Google Patents

Abstract

PURPOSE:To provide such an electric facility housing box that its door can be selectively opened from the right or left side and a relatively large visual field can be secured against an electric facility housed in the box from the side of the box even when the opening angle of the door is small. CONSTITUTION:Brackets 4 are attached to the top and bottom of both sides of the opening 3 of a box body 1 and a door 2 is fitted to the box body 1 by engaging left and right rods 5 with the brackets 4. A pair of upper and lower rods 5 and 5 is engaged with the brackets 4 on one side so that the rods 5 and 5 can be disengaged form the brackets 4 and an operating handle device 6 is provided between the rods 5 and 5 on each side so that the upper and lower rods 5 can be simultaneously disengaged from the brackets 4 when the device 6 is operated. When the rods 5 to be disengaged from the brackets 4 is selected, the fitting side of the door 2 can be selected, whether right side or left side. It is also possible to remove the door 2 by disengaging all rods 5 from the brackets 4. When both the left and right sides of the door 2 is bent and the roof plate 1a and bottom plate 1b are bent in corresponding to the door 2, a large visual field can be secured against equipment, etc., housed in the box body 1 from the side of the box body l even when the opening angle of the door 2 is small. Therefore, the maintenance and inspection of the equipment, etc., can be performed easily.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a box body, such as a switchboard, a switchboard, a control panel, or the like, for housing electrical equipment therein.

[0002]

2. Description of the Related Art A conventional electrical equipment storage box has a box body opened to the front and a door pivotally attached to one side of the box body so that the opening of the box body can be opened and closed. Things are known. The door is a rectangular flat plate. This storage box generally has a right-opening door, and a left-opening one is custom-made according to the installation environment.

[0003]

In the above-mentioned conventional housing box for electric equipment, it takes extra cost to manufacture a custom-ordered product, and it is impossible to select right opening or left opening of the door after once installed. Therefore, there is a problem in that it cannot easily respond to changes in the surrounding environment. Also, when the door cannot be opened wide enough, when inspecting electrical equipment,
There is a problem that the field of view from the side is limited.

Therefore, according to the present invention, there is provided a housing box for electric equipment, in which the door can be freely opened to the right or left, and the field of view from the side can be relatively large even at a small opening angle. The challenge is to provide.

[0005]

In the present invention, in order to solve the above-mentioned problems, the box body 1 opened to the front and the opening section 3 of the box body 1 are opened and closed in the box body 1. Attached door 2 and box 1 for pivotally supporting this door 2
Brackets 4 provided on the left and right sides of the
And a rod 5 provided on the left and right sides of the door 2 so that the door 5 can be inserted and removed in the vertical direction, and the rod 5 can be moved up and down to move the rod 5 up and down at the same time. An operating box device 6 is provided between the upper and lower rods 5 and 5 to engage and disengage, thereby forming a housing box for electrical equipment.

The door 2 has a box body 1 on both left and right sides.
The top plate 1a and the bottom plate 1b of the box body 1 are bent forward to extend forward of the side plate 1c, and the left and right sides are notched obliquely corresponding to the bending of the door 2.

[0007]

In the storage box of the present invention, a plurality of devices A such as an overcurrent breaker, and electrical equipment such as wiring are stored.
At the time of maintenance and inspection of the device A, the operation handle device 6 is operated to pull the upper and lower rods 5 into the door 2. The upper and lower rods 5 are removed from the bracket 4 which is a pivotal support of the box body 1, and the door 2 is free with respect to the box body 1. Therefore, if one of the left and right operation handle devices 6 is operated to pull out the rod 5 from the bracket 4 and then pull the door 2 forward,
The door 2 rotates around the other rod 5 and the opening 3 of the box 1 is opened. Depending on the surrounding conditions at the time of maintenance and inspection, operate the left and right operation handle device 6 to open the door 2 to the right,
You can select the left difference. With the door 2 opened, a relatively large space is secured inside the bending portion of the door 2 on the hinged side. Due to the presence of this space, the visual field from the side during maintenance and inspection is widened, and visual inspection is facilitated. If necessary, the left and right operation handle devices 6 can be operated to pull out all the rods 5 from the bracket 4 and remove the entire door 2 from the box 1. Since the left and right sides of the door 2 are bent to form a corner, it is safe even if the storage box faces the corner of the passage.

[0008]

An embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view of the storage box, FIG. 2 is a front view of the storage box, FIG. 3 is a side view of the storage box, FIG. 4 is a plan view of the storage box, FIG. 5 is a sectional view taken along line VV in FIG. Is a schematic front view of the operating handle device, FIG. 7 is a schematic bottom view of the operating handle device,
FIG. 8 is an explanatory diagram of the installation state of the storage box.

In the figure, a box 1 for housing electrical equipment
Is a flat box type, and the front side is open. Door 2 is box 1
It is attached to the open portion 3 of and can open and close the open portion 3. The top plate 1a and the bottom plate 1b of the box body 1 extend forward of the side plate 1c at the center and are cut off diagonally at an angle of about 45 ° in both left and right corners. The door 2 is bent toward the box body 1 side at an angle of approximately 45 ° on both left and right sides, corresponding to the shapes of the top plate 1a and the bottom plate 1b of the box body 1.

On both left and right sides of the box body 1, pivotal support portions such as brackets 4 are provided so as to face each other vertically. The bracket 4 is a vertical rod 5 provided on both left and right sides of the door 2.
Pivot. A pair of rods 5 is provided on the left and right sides of the door 2, respectively, and the rods 5 move up and down so that they can be inserted into and removed from the bracket 4. An operation handle device 6 is provided between the upper and lower rods 5 and 5, respectively.

The operation handle device 6 has a mechanism for simultaneously moving the upper and lower rods 5 up and down by rotating the handle 7. An example thereof is shown in FIGS. 6 and 7, the handle 7 is a shaft 9 and a case 8
Is pivotally attached to. When the handle 7 is erected, the shaft 9 rotates integrally with the handle 7 and moves the plate 12 to the left in the figure via the levers 10 and 11. Lever 13
Since the pin 14 is pivotally attached to the plate 12, the pin 15 is pivotally attached to the case 8, and the pin 16 is pivotally attached to the rod 5, the plate 12 is rotated in the direction of the arrow to the left to pull up or pull down the rod 5 to bring the bracket 4 into contact. Pull out from. When the handle 7 is released, the rod 5 is restored by the spring force and protrudes vertically from the door 2.

In the illustrated embodiment, the rod 5 is constructed by being divided into a first rod 5a and a second rod 5b, respectively, which are connected in parallel with each other by a connecting fitting 5c. The first rod 5a is connected to the operation handle device 6, and the second rod 5b functions as a pivot pin that pivotally supports the door 2 and as a lock pin that fixes the door 2 to the box 1. In order to provide the second rods 5b as pivot pins at the left and right ends of the door 2 as much as possible, a connecting metal piece 5c is interposed between the second rods 5b and the first rod 5a, and the axial center is displaced. The second rod 5b has guide members 17, 18 fixed inside the door 2.
It is movably supported in the vertical direction and is constantly urged by a spring 19 in a direction projecting from the upper and lower sides of the door 2.

When housing electrical equipment in the housing box, however, as shown in FIG. 8, a device A such as a circuit breaker is attached to a position in front of the front surface of the side plate 1c of the box 1. . At the time of maintenance and inspection of the device A, the handle 7 of either the left or right operation handle device 6 is erected and the upper and lower rods 5 are pulled into the door 2. The upper and lower rods 5 are removed from the bracket 4 of the box body 1, and one side of the door 2 is free from the box body 1. Therefore, the door 2 can be opened in any left and right direction according to the surrounding conditions at the time of maintenance and inspection. As shown in FIG. 8, even when the door 2 is opened substantially at a right angle to the box body 1, a relatively large space S is formed inside the bending portion on the hinged side of the door 2.
And the fact that the device A is attached to the front side of the front surface of the side plate 1c of the box body 1 in combination, the field of view from the side at the time of maintenance and inspection is widened, and visual inspection is facilitated. Become. If necessary, the left and right operation handle devices 6 can be operated to pull out all the rods 5 from the bracket 4 and remove the entire door 2 from the box 1. Further, since the left and right sides of the door 2 are bent to form a corner, it is safe even if the storage box faces the corner of the passage or the like, and when a plurality of storage boxes are arranged close to each other, they are arranged side by side. However, it does not hinder the opening of the door 2.

The present invention is not limited to the illustrated embodiment. The configuration in which the door 2 is opened to the left and right can also be applied to a flat door. The operation handle device 6 for moving the rod 5 up and down can also adopt various known structures other than the illustrated structure. Even when the hinged part of the door is fixed to either the left or right, the bent door structure can be adopted.

[0015]

As described above, according to the present invention, pivotal support portions such as brackets 4 are provided on the left and right sides of the open portion 3 on the front side of the box body 1 so as to face each other. , Attach the door 2 by engaging the rods 5 on both the left and right sides,
Is provided with a pair of upper and lower portions that can be vertically inserted into and removed from the pivotal support portion, and operation handle devices 6 are respectively interposed between the upper and lower rods 5 and 5, and the rod 5 can be vertically moved by operating the operation handle device 6. Since the housing box of the electric equipment is configured to be engaged and disengaged from the branch at the same time, the door 2 can be freely opened to the right or left of the box 1, and can be completely removed. , Work efficiency such as maintenance and inspection is significantly improved. Further, the door 2 is bent to the left and right sides toward the box body 1 side, the top plate 1a and the bottom plate 1b of the box body 1 are extended to the front side of the side plate 1c, and the left and right sides are slanted corresponding to the bending of the door 2. In the case of the notch, even if the opening angle of the door 2 is small, it is possible to secure a comparatively large field of view from the side with respect to the contained equipment, wiring, etc. inside, and the work such as maintenance and inspection becomes easy. Has the effect.

[Brief description of drawings]

FIG. 1 is a perspective view of a storage box.

FIG. 2 is a front view of a storage box.

FIG. 3 is a side view of a storage box.

FIG. 4 is a plan view of a storage box.

5 is a sectional view taken along line VV in FIG.

FIG. 6 is a schematic front view of the operating handle device.

FIG. 7 is a schematic bottom view of the operating handle device.

FIG. 8 is an explanatory diagram of an installation state of a storage box.

[Explanation of symbols]

 1 Box 1a Top plate 1b Bottom plate 1c Side plate 2 Door 3 Opening part 4 Bracket (pivot part) 5 Rod 6 Operation handle device 7 Handle

Claims (5)

[Claims] 1. A box body opened to the front, a door attached to the box body so that the opening of the box body can be opened and closed, and both left and right sides of the box body for pivotally supporting the door. Vertically installed pivotal support parts, rods provided on the left and right sides of the door so that they can be inserted and removed in the vertical direction with respect to this pivotal support part, and by vertically moving the rods An accommodation box for electrical equipment, comprising: an operating handle device provided between upper and lower rods so as to be simultaneously engaged and disengaged. 2. The accommodation box for electric equipment according to claim 1, wherein the rods are biased in a direction of projecting upward or downward, respectively. 3. The rod is composed of a first rod and a second rod, which are respectively divided into upper and lower parts, which are parallel to each other and are connected by a connecting fitting so that an axial center of a pivotal support with respect to the box body is possible. The storage box for electrical equipment according to claim 1, wherein the storage box is electrically disposed on the end side of the door. 4. The door is bent to the side of the box body on both left and right sides, and a top plate and a bottom plate of the box body extend forward of the side plate to correspond to the bending of the door on both left and right sides. The storage box for electrical equipment according to claim 1, wherein the storage box is cut obliquely. 5. A storage box for electric equipment, comprising: a box body opened to the front and a door pivotally attached to the box body so that the opening of the box body can be opened and closed. It is bent toward the box side on both sides, and the top plate and the bottom plate of the box body extend forward of the side plate, and are obliquely cut out on both left and right sides corresponding to the bending of the door. A storage box for electrical equipment.