JP2006269877A - Housing for storing electrical apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a housing for storing an electric apparatus the door of which can be shut easily to the repulsive force of the packing for the prevention of rain water permeation with a good appearance, in the housing for storing an electric apparatus installed in the outdoors. <P>SOLUTION: A housing main body 10 for storing an electric apparatus comprises an inclined member 16 which inclines to the direction of a back surface direction A, and a packing 12 for the prevention of rain water permeation in the surface which is brought into contact with a door 20. In an inner enclosure side surface of the door 20, it is equipped with an instrument 18 having a movable bolt 15 at a position which counters the inclined member 16, and an opening 19 which is a plug hole of a driver for tightening the movable bolt 15. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to boxes for storing electrical equipment such as switchboards and distribution boards installed outdoors, and more particularly to a watertight structure of a door for protecting an internal electric circuit from rainwater or the like.

  Conventionally, electrical equipment storage boxes such as switchboards and distribution boards installed outdoors are provided with doors on the front surface for maintenance.

  In addition, such a box for storing electrical equipment is provided with a packing such as urethane foam or silicon on the outer periphery of the door or main body to prevent rainwater from entering the main body for the purpose of preventing rainwater from entering. Yes.

  In recent years, a technique for improving the appearance of the appearance viewed from the front while expanding the mounting space for the electrical equipment disposed inside the main body has been disclosed (for example, Patent Document 1).

  FIG. 6 is a perspective view showing such an electric equipment storage box. As shown in FIG. 6, the electric equipment storage box 1 is provided with a packing (not shown) for preventing rainwater from entering. The main body 5 in which the device is accommodated, the door 2 covering the opening of the main body 5, the door hinge (not shown) provided at a desired location on one side end of the door 2, and the door hinge are not provided. A flat handle 3 disposed in the center of the side surface portion 7 on the side, and a knob 4 on the door 2 are provided.

With the above configuration, when the main body 5 and the door 2 are fitted together, the rain water-preventing packing and the door 2 are brought into close contact with each other, so that water can be prevented and the flat handle 3 is provided on the side surface portion 7 of the main body 5. Therefore, the mounting space for the electrical equipment such as a circuit board inside the main body 5 is expanded, and the appearance of the door 2 as viewed from the front is improved.
JP 2000-316208 A

  However, the above technique is effective for a relatively small electrical equipment storage box, but in a large electrical equipment storage box, the packing for preventing rainwater intrusion becomes large, and the repulsive force when compressing the packing is increased. Therefore, a large force is required when operating the flat handle, and there is a problem that workability during maintenance is poor.

  In order to cope with such a problem, it may be possible to provide a plurality of plane handles. However, since the plane handle itself is a special part, there is a new problem that the cost is increased.

  In view of the above problems, the present invention has a good appearance and can be easily closed without requiring a large force when closing the door. An object of the present invention is to provide an electric equipment storage box that can be realized at a low cost.

  In order to achieve the above object, the invention according to claim 1 opens and closes with a main body having an opening having a packing disposed on the outer periphery and a door hinge disposed on a side end of the main body as an axis. In the electrical equipment storage box provided with a door, the inclined member disposed on the side end portion of the main body opposite to the door hinge, and the door is disposed at a position facing the inclined member. And a movable bolt, and when the movable bolt is tightened, the distal end portion of the movable bolt comes into contact with the inclined member and moves along the inclined surface of the inclined member.

  According to this configuration, when the door is fitted to the main body, the compressive force of the packing for preventing rainwater intrusion is converted into the rotational force of the movable bolt by the inclined surface of the inclined member, and the angle of the inclined surface of the inclined member and the movable bolt Since the rotational force can be reduced by this stroke, the door can be easily closed.

  In addition, the appearance is good because there are no protruding parts.

  A second aspect of the present invention is the electric equipment storage box according to the first aspect of the present invention, which is provided with a plurality of the movable bolts.

  According to such a configuration, even when the door is deformed by a repulsive force when packing is compressed in a large electric equipment storage box, the pitch of the movable bolts that fix the main body and the door is narrowed and a plurality of them are provided. As a result, it is possible to prevent the door from being deformed and to prevent flooding at a low cost.

  According to the electrical equipment storage box of the present invention, the appearance is good, and the space for mounting parts on the door is expanded and the repelling force of the packing for preventing rainwater intrusion that occurs when the door is closed is easy. You can close the door.

  Further, even in a large box for storing electrical equipment, an increase in the repulsive force when packing is compressed can be dealt with by providing a plurality of movable bolts, so that flooding can be prevented at a low cost.

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

  FIG. 1 is a cross-sectional view of an essential part showing a watertight structure of a door and a main body according to an electric equipment storage box of the present invention.

  As shown in FIG. 1, the electric equipment storage box of the present invention abuts against a door 20 and a metal inclined member 16 that is inclined in the direction of the main body rear surface A at the side end of the main body 10. The surface is provided with a packing 12 for preventing rainwater intrusion, the inner side surface of the door 20 is provided with an instrument 18 provided with a movable bolt 15 at a position facing the inclined member 16, and the instrument 18 includes a movable bolt 15. A nut 11 on the other side and an opening 19 which is a driver insertion hole for tightening the movable bolt 15 are provided.

  FIG. 2 is a cross-sectional view of the main part showing the sealed state of the door 20 and the main body 10 in the configuration of FIG. 1. As shown in the figure, a driver (not shown) is inserted into the opening 19 and the movable bolt 15 is inserted. When the bolt is tightened, the distal end portion 15a of the movable bolt 15 comes into contact with the inclined surface 16a of the inclined member 16, and when the movable bolt 15 is further tightened, the distal end portion 15a of the movable bolt 15 applies a pressure to the inclined surface 16a. With the movement of the tip 15a of the movable bolt 15, the door 20 also moves in the direction of the main body rear direction A, the packing 12 is compressed, and the opening of the main body 10 is sealed by the door 20.

  According to the configuration described above, the repulsive force when the packing 12 is compressed is converted into the rotational force of the movable bolt by the inclined surface 16a of the inclined member 16, and the rotational force is reduced by the angle of the inclined surface 16a and the stroke of the movable bolt 15. Therefore, the door 20 can be easily closed.

  FIG. 3 is a perspective view showing an electric equipment storage box according to the present invention.

  As shown in FIG. 3, the electric device storage box 30 of the present invention includes a main body 10 including an electric device 25 and the like, and a door 20. The main body 10 and the door 20 include a plurality of doors. A plurality of watertight structures described in FIG. 1 are provided on the side end of the main body 10 opposite to the door hinge 22, and the door 20 is closed by a driver after closing the door 20. By tightening the movable bolt (not shown), the electric device housing box 30 having no appearance protruding part and having a good appearance as shown in FIG. 4 is obtained.

  In addition, such an appearance feature that the appearance is good, as shown in FIG. 5, in the electric equipment storage box 50 in which the display unit 53 is provided by the liquid crystal or LED light emitter in front of the door 52, Especially effective.

  As described above in detail, according to the electric equipment storage box of the present invention, it is possible to easily close the door, and in appearance, there is no protruding part and the appearance is good. Obtainable.

  Further, even in a large box for storing electrical equipment, the repulsive force at the time of compressing the packing can be dealt with by providing a plurality of movable bolts, so that flooding can be prevented at a low cost.

  The present invention is a technique useful for a watertight structure of an electric equipment storage box installed outdoors.

Sectional drawing of the principal part which shows the watertight structure of the door which concerns on the electrical equipment storage box of this invention, and a main body The principal part sectional drawing which shows the door and the main body sealing completion state which concern on the electrical equipment storage box of this invention The perspective view which shows the case where the door of the electrical equipment storage box of this invention is opened The perspective view of the electric equipment storage box of the present invention The perspective view which shows the box for electrical equipment storage provided with the display part of this invention A perspective view of a conventional box for storing electrical equipment

Explanation of symbols

1, 30, 50 Electrical equipment storage box 2, 20 Door

Claims (2)

In an electric equipment storage box comprising a main body having an opening having a packing disposed on the outer periphery, and a door that opens and closes around a door hinge disposed on a side end of the main body. An inclined member disposed on a side end opposite to the door hinge and provided with an inclined surface; and a movable bolt disposed on a portion of the door facing the inclined member; and by tightening the movable bolt A box for storing electric equipment, wherein a tip of the movable bolt contacts the inclined member and moves along the inclined surface. The electric device storage box according to claim 1, comprising a plurality of the movable bolts.

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