JP4915941B2 - Electrical equipment storage box door hinge structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge structure of a door for an electric equipment storage box, which enables a hinge pin to be easily detached in the unlocking of the door by arranging a hinge device on the outside of the box, and which makes it impossible to remove the door just for fun etc. in the locking of the door. <P>SOLUTION: A hinge 30 is protrusively formed on the one lateral surface of a box body 1; a hinge 31 corresponding to the hinge 30 of the box body 1 is also formed on the one lateral side surface of the door 2; a retaining member 34, which is mounted on the head 33 of the hinge pin 32 for pivotally attaching both the hinge portions 30 and 31, is provided with a protrusive piece 34a with a protruded part; and the protruding piece 34a is held on a covering portion 35, which is provided adjacently to the hinge 31 of the door 2 or the hinge 30 of the box body 1, in such a manner as to be capable of being concealed in the closing of the door and detachable from the covering portion only in the opening of the door. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

  The present invention can disassemble the hinge when installing or maintaining electrical equipment in the electrical equipment storage box, and can improve the workability by separating the door from the box body. It is related with the hinge structure of the door of the electrical equipment storage box which cannot be removed by.

  The electrical equipment storage box needs to be detached from the door in order to improve workability such as installation and wiring of electrical equipment in the box. For this reason, it is common that the hinge pin that pivots the door to the box body is detachable, the pin is removed, the hinge is divided into the door side and the box body side, and the door is removed from the box body. (See Patent Document 1).

    However, when the pins are detachable, the door may be removed due to mischief or the like when the electrical equipment storage box is installed outdoors. In order to prevent this, the hinge should be positioned in the box so that it cannot be touched from the outside. However, in the case where the hinge is located in the box, when the electrical equipment is installed in the box and the wiring is applied, the work space for removing the pin is narrow and the removal work is troublesome There is a problem.

JP 2005-294299 A

The present invention is to solve the problems described above, by arranging the hinge device on the outside of the box, after which the time of door opening the lock can be easily detached hinge pin, in a mischief or the like the door during Tobirakusari Tablets It was completed for the purpose of providing a hinge structure for a door of an electrical equipment storage box that cannot be removed.

The hinge structure of the door of the electrical equipment storage box according to the present invention is the hinge structure of the door of the electrical equipment storage box in which the hinge pin pivotally attached to the hinge portion is located outside the door . A hinge part is formed on the side to protrude, and a hinge part corresponding to the hinge part of the box body is formed on one side of the door, and attached to the head of the hinge pin that pivots both hinge parts. Protruding pieces with a part projecting are provided on the retaining member, and the projecting pieces are concealed when the door is closed by a cover provided adjacent to the hinge part of the door or the hinge part of the box body, and only when the door is opened. It is characterized in that it can be removed from the cover.
The hinge part provided on one side of the box body has a substantially cylindrical shape, the hinge part provided on one side of the door is formed so as to sandwich the hinge part of the box body, and the cover part is the hinge part of the door. The hinge part provided on one side of the door is substantially cylindrical, and the hinge part provided on one side of the box body is formed so as to sandwich the hinge part of the door. It is good also as what provided the cover part adjacent to the hinge part of the box main body.

  The present invention as described above is provided with a protruding piece projecting a part of a retaining member attached to the head of a hinge pin pivotally attached to both hinge parts, and the protruding piece is a hinge part of a door or a box body. Since the cover provided adjacent to the cover is concealed and held when the door is closed, even if the hinge pin that pivotally attaches both hinges is on the outside of the box body and door, it is locked The door cannot be opened due to mischief or the like.

  In addition, since the protruding piece can be removed from the cover only when the door is opened, if the protruding piece is detached from the cover, the hinge pin is pulled out and the hinges are pivoted to release the door from the box body. It can be removed from. In particular, the operation of pulling out the hinge pin can be performed outside the box which can take a large work space, so that workability is improved.

Next, a preferred embodiment of the present invention will be described with reference to the drawings.
In FIG. 1, reference numeral 1 denotes a box body of an electrical equipment storage box that houses electrical equipment such as a breaker, and 2 denotes a door that is pivotally attached to one side of a front opening 1 a of the box body 1 by a hinge device 3 to open and close. A locking device 4 is attached near the other side of the door 2 facing the hinge device 3 side, and a person who does not have a key cannot open the door 2, but the door 2 is The hinge device 3 pivotally attached to the main body 1 is disassembled by mischief or the like so that the door 2 is not opened.

The structure of the hinge device 3 is as shown in FIGS.
That is, a substantially cylindrical hinge portion 30 is formed on one side surface of the box body 1 so as to protrude from the side surface of the box body. Further, a hinge portion 31 is formed on one side surface on the door 2 side so as to correspond to the hinge portion 30 of the box body 1, and is configured to be pivotally attached by a hinge pin 33. In this embodiment, the hinge part 30 on the box body 1 side is arranged so as to sandwich the hinge part 31 on the door 2 side.

    A retaining member 34 is attached to the head 33 of the hinge pin 32. As shown in FIGS. 4 and 5, the retaining member 34 has a flange portion 33 a that is stretched around the periphery of the head portion 33 on the inner surface of a frame portion 34 c that forms a space 34 b into which the head portion 33 of the hinge pin 32 can be inserted. In this structure, a groove portion 34d is provided to be engaged. In addition, a protruding piece 34a in which a part of the frame portion 34c of the retaining member 34 is protruded is provided so as to be elastically deformable. The protruding piece 34a is provided with a claw portion 34e.

If the retaining member 34 having such a shape is mounted by sliding the retaining member 34 from the space 34b toward the flange portion 33a of the hinge pin, the hinge pin 32 and the retaining member 34 are integrated. It will be.
Since the interval 34 b of the retaining member 34 is slightly smaller than the diameter of the head 33 of the hinge pin 32, the retaining member 34 does not fall off from the head 33 of the hinge pin 32.
The means for attaching the retaining member 34 to the head 33 of the hinge pin 32 is not limited to this, and the retaining member 34 is forcibly fitted with a fitting hole having a slightly smaller diameter than the head 33. There may be.

    On the other hand, as shown in FIG. 6, a cover 35 is provided adjacent to the hinge 31 on the door 2. The projecting piece 34a is concealed by the cover 35 when the door is closed, and is held so that it can be removed from the cover 35 only when the door is open. The cover portion 35 has a space portion in which the protruding piece 34a can be accommodated, and an engagement receiving piece 35a that engages with the claw portion 35e is provided on an inward surface.

    7 and 8 show a state in which the hinge part 30 on the box body 1 side is omitted, and the retaining member is engaged with and disengaged from the door 2. When attaching the door 2 to the box body 1, the hinge pin 30 is attached with a retaining member 34 from the inside of the door 2, with the positions of the hinge part 30 on the box body 1 side corresponding to the hinge part 31 on the door 2 side. 32 is inserted, and the door 2 is pivotally attached to the box 1, the projecting piece 34 a is rotated to the cover 35, and the projecting piece is bent to engage the engagement receiving piece 35 a and the claw 34 e. . If the door 2 is closed in this state, the engagement receiving piece 35a and the protruding piece 34a are covered and concealed by the cover 35 as shown in FIG. 2, and if the locking device 4 is locked, the door 2 is opened. Therefore, the hinge pin 32 cannot be removed illegally from the outside.

Further, when the door 2 is removed from the box body 1, the locking device 4 is unlocked and the protruding piece 34a is held so that it can be removed from the cover 35 only when the door 2 is opened. After that, the projecting piece 34 a is elastically deformed from the inside of the door 2, so that the claw part 34 e is detached from the engagement receiving piece 35 a of the cover part 35 and rotated until the projecting piece 34 a is detached from the cover part 35. Thereafter, the hinge pin 32 can be pulled out in the vertical direction, and the door 2 can be removed from the box 1 of the electric device storage box.

With the above configuration, when the locking device 4 is unlocked, the door 2 can be easily attached and detached, and workability such as wiring is improved, and the door 2 is closed and the locking device 4 is locked. In this state, the hinge pin 32 cannot be removed, so that mischief can be prevented.
In this embodiment, the cover portion 35 is provided adjacent to the hinge portion 31 provided on the door 2, but may be provided adjacent to the hinge portion 30 of the box body 1. That is, the hinge part 31 of the door 2 is formed in a substantially cylindrical shape, and the hinge part 31 on the door 2 side is disposed so as to be sandwiched between the hinge part 30 on the box body 1 side, and adjacent to the hinge part 30 on the box body 1 side. And the cover part 35 may be provided.

It is a cross-sectional view of the state which closed the door which shows embodiment of this invention. It is a perspective view of the hinge structure of the state which closed the door. It is a disassembled perspective view of a hinge structure. It is a perspective view of a retaining member. It is a perspective view of a retaining member. It is a perspective view of the hinge part by the side of a door. It is a perspective view which abbreviate | omits a box main body and shows a mode that a hinge pin engages / disengages with the hinge part by the side of a door. It is a perspective view which abbreviate | omits a box main body and shows a mode that a hinge pin engages / disengages with the hinge part by the side of a door.

Explanation of symbols

1 Box body 2 Door
30 Hinge
31 Hinge
32 Hinge pin
33 heads
34 Retaining member
34a Protruding piece
35 Cover
35a Engagement piece

Claims (3)

In the hinge structure of the door of the electrical equipment storage box in which the hinge pin pivotally attached to the hinge part is located on the outside of the box body, the hinge part protrudes from one side of the box body, and the door A protruding piece in which a hinge part corresponding to the hinge part of the box body is formed on one side of the box body, and a part of the protruding part is protruded from a retaining member attached to the head of a hinge pin pivotally attached to both hinge parts. The projecting piece is concealed when the door is closed by a cover provided adjacent to the hinge part of the door or the hinge part of the box body, and can be removed from the cover only when the door is opened. hinge structure of the door of the electrical equipment storage box which is characterized. The hinge part provided on one side of the box body has a substantially cylindrical shape, the hinge part provided on one side of the door is formed so as to sandwich the hinge part of the box body, and the cover part is adjacent to the hinge part of the door hinge structure of the door of the electrical equipment storage box according to claim 1 which is provided with. The hinge part provided on one side of the door has a substantially cylindrical shape, the hinge part provided on one side of the box body is formed so as to sandwich the hinge part of the door, and the cover is adjacent to the hinge part of the box body hinge structure of the door of the electrical equipment storage box according to claim 1 which is provided with.

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