JPH11341617A - Electric equipment box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric equipment box which has a good outward appearance and has a door that can be opened and closed smoothly. SOLUTION: In an electric equipment box composed of a box body 4 having a least one opening on one side and a door 3 rotatably journaled to the box body 4, an outer frame 1 is successively provided from the box body 4 on the partial or whole periphery of the door 3 and a recessed section 9 is provided on the inside of the outer frame 1 in such a way that the clearance between the door 3 and outer frame 1 becomes wider than the clearance of the box body 4 on the opened surface so that the end section of the door 3 may not come into contact with the outer frame 1 when the door 3 is turned to an opened state of 90 deg. in angle from a closed state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device box such as a distribution board or a control panel, and more particularly to a door support structure.

[0002]

2. Description of the Related Art Conventionally, a circuit breaker 7 is provided in a box having a one-sided opening.
An electric device box containing electric devices such as that described in Japanese Utility Model Laid-Open No. 7-1237 is known. FIG. 10 is an external perspective view of such an electric device box. The electric device box includes a door 3 and a box 4, and an opening surface of the box 4 having at least one open side is closed by the door 3. The door 3 and the box 4 are connected via a shaft 17, and can be opened and closed by rotating the door 3 about the shaft 17.

FIG. 11 is a side sectional view of an electric equipment box. As shown in FIG. 11, the box body 4 has a substantially U-shaped box body 4 for accommodating the circuit breaker 7, a middle door 8 for projecting the operation handle portion 7A of the circuit breaker 7, and a middle door 8. And a door 3 surrounding the door. A locking handle 3A is attached to the door 3, and when the door 3 closes the opening of the box 4 by operating the locking handle 3A, the door 3 is engaged with the box 4 to perform locking.

FIG. 12 is a partial side sectional view of the electric equipment box, in which a connecting portion between the door 3 and the box 4 is partially enlarged. An outer frame 5 connected to the box 4 is provided partially or entirely around the door 3. Since the opening surface of the box 4 formed by the outer frame 5 and the outer surface of the door 3 form substantially the same plane, the door 3 does not project from the box 4 when the door 3 is closed. .

[0005]

However, in the electric equipment box having the above structure, as shown in FIG. 13, when the door 3 is opened and closed, the end 3a of the door 3 and the outer frame 5 are connected to each other. Must be arranged so that a certain gap is provided between the end surface of the door 3 and the outer frame 5 when the door 3 is closed.

That is, as shown in FIG. 12, even if the door 3 and the outer frame 5 are arranged as close as possible,
There is a problem that it is necessary to set a gap L that does not abut each other. For this reason, when the electric equipment box is viewed from the opening side of the box 4, there is a problem that the appearance is very poor due to the gap L.

[0007] The present invention has been made in view of the above problems, and its object is to provide a good appearance.
An object of the present invention is to provide an electric device box that does not hinder opening and closing of a door.

[0008]

According to the first aspect of the present invention,
In an electric device box including a box having at least one opening and a door rotatably supported by the box, an outer frame is connected to the box at a part or the entire periphery of the door. The distance between the door and the outer frame is set so that the end of the door and the outer frame do not contact each other when the door is rotated between a closed state and an opened state of about 90 degrees. A recess wider than the interval on the opening surface of the body is provided inside the outer frame.

According to a second aspect of the present invention, in the electric device box according to the first aspect, the recess can be gradually connected to the box from the opening surface of the box along the turning locus of the door. It is characterized by being formed in an inclined shape.

According to a third aspect of the present invention, in the electric appliance box according to the first or second aspect, when the door is closed, the outer surface of the door is located inside the opening surface of the box. Is what you do.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 is a partial side sectional view of the electric equipment box. FIG. 2 is a side sectional view of the electric device box. FIG. 3 is a partial side sectional view showing an open / closed state of a door of the electric device box. FIG. 4 is a partial side sectional view of another electric device box. FIG. 5 is a partial side sectional view showing an open / closed state of a door of another electric device box. FIG. 6 is a partial side sectional view showing a state in which the door of the electric device box is opened to the maximum. 7A and 7B are partially enlarged views of the outer frame showing a contact state between the door of the electric device box and the outer frame. FIG. 7A shows a normal contact state, and FIG. This shows the contact state at the time. FIG. 8 is a partial side sectional view showing a state where the door of another electric device box is opened to the maximum. 9A and 9B are partially enlarged views of the outer frame showing the contact state between the door of another electric device box and the outer frame. FIG. 9A shows a normal contact state, and FIG. This shows the contact state when it occurs.

In the electric equipment box according to the present embodiment, the same parts as those of the electric equipment box described in the related art with reference to FIGS. 10 to 13 are denoted by the same reference numerals, and detailed description thereof will be omitted. Omitted.

The electric equipment box according to the present embodiment is shown in FIG.
As shown in FIG.
And a door 3 rotatably supported by a shaft 17 and attached thereto. An outer frame 1 is provided on a part or all around the door 3. The outer frame 1 is a box 4
It is installed continuously.

Further, in the electric appliance box according to the present embodiment, the door 3 is moved between the closed state and the opened state of about 90 degrees.
Is turned, the door 3 opens and closes smoothly. That is, the distance between the door 3 and the outer frame 1 is set to be larger than the distance on the opening surface of the box 4 so that the end 3a of the door 3 does not contact the outer frame 1. A recess 9 is provided inside the frame 1.

Therefore, when the door 3 is closed and viewed from the opening side of the box 4, the gap L between the outer frame 1 and the door 3 can be reduced, so that the appearance can be improved. Regardless, when the door 3 is opened, the end 3a of the door 3 rotates around the shaft 17 in the recess 9 as shown in FIG.
And the door 3 do not abut, so that the door 3 can be opened and closed smoothly.

As shown in FIG. 4, when the door 3 is closed, the outer surface of the door 3 is located on the opening surface of the box 4, that is, slightly inside the outer frame 1. May be supported by the box 4. Thereby, even if the outer frame 1 is brought closer to the end face of the door 3, the recess 9 is
The door 3 can be opened and closed without bringing the door 3 into contact with the outer frame 1 by providing the door 3 on the inner side surface (see FIG. 5).

In the electric equipment box according to the present embodiment, as shown in FIG. 6, when the door 3 is opened by approximately 90 degrees, the door 3 and the outer frame 1 come into contact with each other. At that time, if the door 3 is vigorously opened, a large force is applied to the contact portion 10 between the door 3 and the outer frame 1. That is, when the door 3 comes into contact with the outer frame 1, stress concentrates on the corners 11 of the outer frame 1 forming the recess 9, and the outer frame 1 is deformed as shown in FIG. 7B. Sometimes. Therefore, as shown in FIG. 8, the recess 9 is gradually widened from the opening surface of the box body 4 along the rotation path of the door so that the projecting corner 11 does not exist in the recess 9. May be provided. Accordingly, as shown in FIG. 9B, the force generated in the contact portion 10 is not applied to a part of the outer frame 1 but is absorbed by the entire outer frame 1 formed in an inclined shape. The outer frame 1 is less likely to be deformed.

[0018]

As described above, according to the first aspect of the present invention, there is provided a box having at least one opening, and a door rotatably supported by the box and attached thereto. In the electrical device box, an outer frame is connected to the box body around a part or all of the periphery of the door, and when the door is rotated between a closed state and an opened state of about 90 degrees, the end of the door and the outside are Since the gap between the door and the outer frame is provided inside the outer frame so that the gap between the door and the outer frame is wider than the gap on the opening surface of the box so that the frame does not contact.
Even if the gap between the door and the outer frame when the door is closed is reduced on the opening surface of the box, the recess and the door do not come into contact with each other, so the appearance is good and there is no problem when opening and closing the door. An advantageous effect is obtained in that it is possible to provide an unpleasant electrical device box.

In the invention according to claim 2, claim 1 is
In the electrical device box described above, the recess is formed in an inclined shape so as to be gradually connected to the box body from the opening surface of the box along the rotation locus of the door, so that when the door is opened, the door is opened. Even if the outer frame and the outer frame come into contact with each other, an impact is applied to the front surface of the rounded concave portion, so that the outer frame is less likely to be deformed and has a strong effect.

[0020] According to the third aspect of the present invention, the first aspect is provided.
Alternatively, in the electric device box according to claim 2, when the door is closed, the outer surface of the door is located inside the opening surface of the box, so that the gap between the door and the outer frame can be further reduced, so that the appearance is improved. The effect that it becomes possible to do it is produced.

[Brief description of the drawings]

FIG. 1 is a partial side sectional view of an electric device box.

FIG. 2 is a side sectional view of the electric device box.

FIG. 3 is a partial side sectional view showing an open / closed state of a door of the electric device box.

FIG. 4 is a partial side sectional view of another electric device box.

FIG. 5 is a partial side sectional view showing an open / closed state of a door of another electric device box.

FIG. 6 is a partial side sectional view showing a state where a door of the electric device box is opened to the maximum.

FIGS. 7A and 7B are partially enlarged views of the outer frame showing a contact state between the door of the electric device box and the outer frame, wherein FIG. 7A shows a normal contact state, and FIG. This shows the contact state at the time of contact.

FIG. 8 is a partial side sectional view showing a state in which a door of another electric device box is opened to its maximum.

FIG. 9 is a partially enlarged view of an outer frame showing a contact state between a door of another electric device box and an outer frame, where (a) shows a normal contact state and (b) is transformed into an outer frame. Fig. 6 shows a contact state when the error occurs.

FIG. 10 is an external perspective view of the electric device box.

FIG. 11 is a side sectional view of a conventional electric device box.

FIG. 12 is a partial side sectional view of a conventional electric device box.

FIG. 13 is a partial side sectional view showing the open / closed state of a door of a conventional electric device box.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer frame 3 Door 4 Box 9 Concave part 10 Contact part 11 Corner part 17 axis

Claims (3)

[Claims] 1. An electric device box comprising a box having at least one opening and a door rotatably supported by the box, and an outer frame partially or entirely around the door. Are connected to a box, and when the door is rotated between a closed state and an opened state of about 90 degrees, the door and the outer frame are so formed that the end of the door and the outer frame do not contact each other. An electrical device box, wherein a recess is provided inside the outer frame, the recess having a larger interval than the interval on the opening surface of the box. 2. The electric device according to claim 1, wherein the recess is formed so as to be gradually connected to the box from the opening surface of the box along the rotation locus of the door. Equipment box. 3. The electric device box according to claim 1, wherein when the door is closed, an outer surface of the door is located inside an opening surface of the box.