JP2006037425A - Door locking structure for electric appliance storage box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door locking structure for an electric appliance storage box, which is simple in structure and easy to handle. <P>SOLUTION: According to the door locking structure, a slide tongue 5 which is energized by a coil spring 6 and straightly supported by a helical torsion spring 7 is attached to a rear surface of a door. When the door 2 is closed, the slide tongue 5 abuts on an edge of a box main body and engages with an edge of an opening of the box main body, to thereby temporarily lock the door 2 to the main body. During the closing operation, the slide tongue 5 moves with the coil spring 6 kept shrunk. On the other hand when the door 2 is opened, the helical torsion spring 7 slacks to fold the slide tongue 5, to thereby cancel the temporary locking of the door. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a door body locking structure for an electrical equipment storage box body in which various electrical equipments are housed in a box body and a front opening is covered with a rotatable door body.

Conventionally, in the door body locking structure of the electrical equipment storage box, the tongue 22 interlocked with the rotation operation of the handle 21 is attached to the back surface of the door body 23. When the door body 23 is closed, the handle 21 is rotated and the tongue 22 is moved to be locked to the opening end surface of the box body 24. When the handle 21 is placed in the normal position without being rotated, the tongue 22 comes to a position where it is locked to the box body 24.
2004 Kawamura Catalog Electric Construction Materials No. 34 Revised April 1, 2004

  However, in the door locking structure of the electrical equipment storage box, the handle must be operated reliably because the locking tongue cannot hit and lock the box body unless the handle is rotated when the door is closed. In a box for storing electrical equipment such as a temporary board, the frequency of opening and closing is high, and it is troublesome to operate the handle one by one. Further, since the door body is difficult to close, the door body is left in an open state. In that case, there is a possibility that an electric shock accident may occur by touching an internal device by mistake. In addition, when the electrical equipment storage box is installed outdoors, if the door remains open, rainwater may enter and adversely affect the internal equipment.

  It is an object of the present invention to provide a door body locking structure of an electric equipment storage box that has a simple structure and is easy to operate. The structure is biased by a coil spring on the back surface of the door body, and a torsion coil. A slide tongue supported straight by a spring is attached, and when the door body is closed, the slide tongue is brought into contact with the end of the box body, and the door can be temporarily fixed by locking the slide tongue to the opening end. When the door is opened, the torsion coil spring is bent and the slide tongue is bent to release the temporary fixing.

  The door locking structure of the electrical equipment storage box according to the present invention is provided with a slide tongue separately from the locking tongue, and the door can be locked to the box body without operating the handle. In particular, when the door body is frequently opened and closed, such as a temporary board, the door body can be temporarily fixed without operating the handle one by one, and workability can be improved. In addition, it is possible to protect the internal equipment by securely closing the door body, thus preventing electric shock accidents, damage to internal equipment due to the ingress of rainwater, and deformation of the door body due to strong winds. can do.

  The present invention has realized the purpose of easily and securely closing a door body and providing a safe box for storing electrical equipment with a simple structure and an emphasis on good workability.

  The locking structure of the electric equipment storage box according to the present invention will be described with reference to the attached drawing of FIG.

  The box for storing electrical equipment includes a box body 1 having an opening on the front surface and a door body 2 that covers an opening that can be opened and closed by a rotating operation. The door body 2 is provided with a handle 3 on the front surface, a locking tongue 4 interlocked with the handle operation on the back surface, and a slide tongue 5 separately from the locking tongue 4.

  The slide tongue 5 is attached to the door body 2 via a coil spring 6 and is urged toward the outside. When the door body 2 is closed, the slide blade 5 closes the door body 2 while the coil spring 6 is contracted against the opening end of the box body 1. When the door 2 is completely closed, the slide tongue 5 is released from contact with the opening end, and the slide spring 5 is urged outward by the coil spring 6 to engage the opening end of the box body 1. The door 2 is temporarily fixed to the box body 1. The handle 3 is rotated in a state where the door body 1 is temporarily fixed, and the door body 2 is locked to the box body 1 by the locking tongue 4.

  The slide tongue 5 is also biased by the torsion coil spring 7. In a state where no force is applied from the other, the slide tongue 5 is supported straight. When opening the door body 1, the handle 3 is rotated to release the locking tongue 4, and when the door body 1 is moved in the opening direction, the slide tongue 5 hits the opening end of the box body 1 and is bent by the torsion coil spring 7. 5 is also released and the door 2 can be opened.

  The shape of the slide tongue 5 is not limited to that shown in the accompanying drawings, and can be changed as appropriate without departing from the spirit of the present invention.

  Further, the coil spring 6 and the torsion coil spring 7 are not limited to the directions shown in the accompanying drawings, and can be appropriately adjusted in accordance with the operation of the slide tongue 5.

  A slide tongue is provided separately from the locking tongue, and the door body can be temporarily fixed to the box body without operating the handle, and the safety to the electrical equipment arranged inside can be ensured.

It is a perspective view of the box for electric equipment storage concerning the present invention. (Example 1) It is explanatory drawing which shows the locking structure of the electric equipment storage box which concerns on this invention. (Example 1) It is a handle | steering-wheel part enlarged view of the electric equipment storage box in a prior art. (Conventional example) It is explanatory drawing which shows the locking structure of the electric equipment storage box in a prior art. (Conventional example)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Box body 2 Door 3 Handle 4 Locking tongue 5 Slide tongue 6 Coil spring 7 Torsion coil spring

Claims (1)

  A door body locking structure for an electrical equipment storage box that houses various electrical equipment in the box body and the front opening is covered with a rotatable door body, and is attached to the back surface of the door body by a coil spring. At the same time, a slide tongue supported straight by a torsion coil spring is attached, and when the door body is closed, the slide tongue comes into contact with the end of the box body, and the slide tongue is engaged with the opening end. Electrical device storage characterized in that the door body can be temporarily fixed, the coil spring moves while being contracted, and when the door body is opened, the torsion coil spring is bent and the sliding bellows is broken to release the temporary fixing. Box body door locking structure.

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