JP2008166601A - Electric apparatus storage box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric apparatus storage box equipped with a drain frame capable of preventing rainwater etc., from entering the electric apparatus storage box without soldering. <P>SOLUTION: The drain frame 7 comprises longitudinal frames 7a formed along right and left sides of an opening 6 and a lateral frame 7b formed along the upper side of the opening 6, and both the frames are formed independently. The lateral frame 7b is formed continuously from a top plate 3 widely enough to cover upper ends of the right and left longitudinal frames 7a and ends projecting to the right and left are folded to have pieces 17. The longitudinal frames 7a are each formed continuously from a side plate 2 to make a side-plate-side front frame 11a reaching the longitudinal frame 7a from the side plate 2 and a top-plate-side front frame 11b reaching the lateral frame from the top plate overlap with each other, and the top-plate-side front frame 11b is disposed to overlap in front of the side-plate-side front frame 11a. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an electrical equipment storage box that stores electrical equipment, communication equipment, and the like, and more particularly to an electrical equipment storage box that is used outdoors.

An electrical equipment storage box that stores electrical equipment for power distribution or stores electronic equipment such as communication equipment has a box body configured to store the equipment inside by opening the front face, and to close the opened front face. The door plate is hinged to the box body, and the face plates are connected by welding.
Among such storage boxes, those installed outdoors are provided with a draining frame protruding in a flange shape at the periphery of the opening of the box body. And the rubber packing was attached to the back surface of the door plate which opposes, and when it was obstruct | occluded with the door plate, the clearance gap was not produced in the opening part peripheral part (for example, refer patent document 1).
On the other hand, there is an electric equipment storage box that does not have a welding process, can be assembled by screwing, can be assembled at an installation site, and can reduce transportation and storage costs (for example, see Patent Document 2).

JP-A-9-32450 JP 2003-318560 A

However, the draining frame formed on the peripheral edge of the conventional opening has a horizontal frame provided at the top to prevent rainwater from entering the interior of the electrical equipment even if rainwater enters between the box body and the door body. Since the frame and the vertical frame provided on the left and right were connected by welding, the production of the draining frame was troublesome.
On the other hand, it is difficult for a storage box to be assembled on site to produce a draining frame that can exhibit waterproof performance without providing a welding process, and it is difficult to apply it to an outdoor use.

  Then, in view of such a problem, an object of this invention is to provide the electrical equipment storage box provided with the draining frame which can prevent permeation of rainwater etc., without welding.

In order to solve the above-mentioned problems, the invention of claim 1 includes a box main body in which five surfaces are closed by each plate body of left and right side plates, a top plate, a bottom plate, and a back plate to form a storage space for electrical equipment, An electrical equipment storage box having a door frame hinged to the box body in order to close the front opening of the box body, and having a draining frame at the periphery of the opening of the box body, the draining frame is an opening Each having a vertical frame provided along the left and right sides and a horizontal frame provided along the upper side of the opening. And the end part is provided with the bending piece bent below, It is characterized by the above-mentioned.
With this configuration, the horizontal frame that forms the upper part of the draining frame covers the upper part of the left and right vertical frames, and the bent piece prevents the rainwater from flowing in. Even if there is a slight gap between the vertical frame and the horizontal frame, the rainwater And the like can be prevented from entering through the gap. Therefore, a good draining frame can be provided without performing a connecting operation such as a welding operation, and the draining frame can be easily manufactured.

The invention according to claim 2 is the invention according to claim 1, wherein the vertical frame is continuously formed from the side plate, while the horizontal frame is continuously formed from the top plate, and the side plate side front frame extending from the side plate to the vertical frame, The top plate side front frame extending from the plate to the horizontal frame has an overlapping portion, and the top plate side front frame is disposed on the front side of the side plate side front frame.
With this configuration, the top plate-side front frame is disposed in front of the side plate-side front frame and they are overlapped with each other, so that the connection portion between the top plate and the side plate can be made into a structure in which rainwater hardly enters.

  According to the present invention, the horizontal frame constituting the upper part of the draining frame covers the upper part of the left and right vertical frames, the bent piece prevents the rainwater from entering, and there is a slight gap between the vertical frame and the horizontal frame. However, rainwater and the like can be prevented from entering through the gap. Therefore, a good draining frame can be provided without performing a connecting operation such as a welding operation, and the draining frame can be easily manufactured.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. 1 and 2 show an example of an electrical equipment storage box according to the present invention, FIG. 1 is a perspective view, and FIG. 2 is a front view of a box body with a door removed. The box body 1 includes a side plate 2, a top plate 3, a bottom plate 4, and a back plate 5, and a draining frame 7 is provided around the front opening 6. A door plate 8 is hinged to the right end of the front surface of the box body 1.

Each plate is formed by bending a steel plate, and a connecting means for connecting adjacent plates is provided at each end. Further, the box body 1 has a flat front frame 11 that closes the front surface from the peripheral edge to the formation portion (opening 6) of the draining frame 7, and the draining frame 7 is connected to the side plate 2 via the front frame 11. Alternatively, it is continuously formed from the top plate 3.
The draining frame 7 is provided on the left and right sides and the upper side of the opening 6, and the lower side of the opening 6 protrudes forward to close the opening 6 when closed by the door plate 8. Only the side 12 is formed.

  The door plate 8 covers the front surface of the box body 1, has a side 8a around it, is formed to have a depth to accommodate the draining frame 7, and includes a handle 13 for opening and closing at the left end. The draining frame 7 includes a belt-like frame side 15 that protrudes forward to prevent water from entering the box body 1 when the opening 6 is closed when the door body 8 is closed, and the door body. 8 has a closing frame 16 that is in close contact with a packing (not shown) installed on the back surface of 8 and prevents intrusion of rainwater, and is formed in an L-shaped cross section.

  FIG. 3 shows a connecting structure of the side plate 2 (right side plate) and the top plate 3. As shown in FIG. 3, the side plate 2 and the top plate 3 are bent at four sides to form a rim 18 that surrounds the periphery, thereby increasing the strength and connecting surfaces with adjacent plates. Is formed. The draining frame 7 is formed of a vertical frame 7a provided on the left and right sides and a horizontal frame 7b provided on the upper part independently. The vertical frame 7a is formed integrally with the side plate 2, and the horizontal frame 7b is formed on the top plate 3. And is integrally formed.

  The top plate 3 is continuously formed with a collar portion 19 that covers the upper part of the draining frame 7 on the front side, folded back to form a double collar portion 19, and further folded downward to form a part of the front frame 11. An upper front frame 11b and a horizontal frame 7b are formed. The upper front frame 11b is formed such that the upper end is substantially equal to the width of the top plate 3 and the lower portion is narrowed to the horizontal frame 7b, and the left and right edges 18 of the top plate 3 are connected to the side plate 2. A claw piece 20 for projecting is provided so as to form one of the connecting means. Further, the frame side 15 constituting the substantially horizontal bottom surface of the horizontal frame 7b has protrusions at the left and right ends, and is formed with bent pieces 17 bent downward.

  On the other hand, on the front side of the side plate 2, a side front frame 11 a and a vertical frame 7 a forming a part of the front frame 11 are bent. The side front frame 11a has the same width (height) as the side plate 2, is formed in a flat rectangle up to the vertical frame 7a, and the vertical frame 7a is formed to be disposed below the horizontal frame 7b. The edge 18 on the upper surface of the side plate 2 is formed with a slit-like insertion hole 21 for connecting a claw piece 20 provided on the top plate 3 by insertion, and the other of the connecting means is formed.

The side plate 2 and the top plate 3 formed in this way are connected by engaging each other's connecting means. That is, the claw piece 20 is inserted into the insertion hole 21 and the inserted claw piece 20 is bent. The four corners of the overlapped front frame 11 are assembled with L-shaped reinforcing metal fittings 23 on the back side and screwed from the front side.
Similarly, the other back plate 2 and bottom plate 4 constituting the box body 1 are also provided with peripheral edges and provided with claw pieces or insertion holes for adjoining each other.

FIG. 4 shows an enlarged view of a portion A in FIG. 2 and shows a connecting portion between the vertical frame 7 a and the horizontal frame 7 b of the draining frame 7. As shown in FIG. 4, the horizontal frame 11b is formed long by projecting by a width T with respect to the position of the upper end of the vertical frame 11a, and the vertical frame 11a abuts on the lower surface of the horizontal frame 11b or has a slight gap. Arranged to have. A hatched portion indicates an overlapping portion B of the upper front frame 11b and the side front frame 11a. The upper front frame 11b formed from the top plate 3 is arranged and overlapped in front of the side front frame 11a formed from the side plate 2, and the lower end portion has an overlapping portion B having a width T, and facing upward. A wider overlapping portion B is formed.
The end protrusion amount (width T) of the horizontal frame 11b is related to the width of the overlapping portion B in addition to preventing the intrusion of rainwater. Formation is possible. Further, if the bent piece 17 has a length of about 5 mm, a sufficient gap closing action can be achieved.

In this way, the horizontal frame that forms the upper part of the draining frame covers the upper part of the left and right vertical frames, and the bent pieces prevent the rainwater from flowing in, and even if there is a slight gap between the vertical frame and the horizontal frame, And the like can be prevented from entering through the gap. Therefore, a good draining frame can be provided without performing a connection operation such as a welding operation, and the draining frame can be easily manufactured.
Further, by placing the top plate side front frame in front of the side plate side front frame and stacking them, the waterproof performance can be maintained without performing the fixing operation.
Furthermore, since there is no welding process for making the draining frame, it is possible to make it without the welding process for the entire storage box, and even a storage box installed outdoors can be brought into the disassembled state to the installation site. It becomes possible, and the burden on the operator can be reduced.

  In the above embodiment, the horizontal frame 7b of the draining frame 7 is linearly formed on the left and right. However, the horizontal frame 7b may be formed with a slight downward slope left and right from the center. Further, the bent pieces 17 provided at the left and right end portions of the horizontal frame 7b may be tilted without being bent so as to hang downward.

It is a perspective view in the state where an example of the embodiment of the electric equipment storage box concerning the present invention was opened and the door board was opened. It is the front view of FIG. 1, and has shown the state which removed the doorplate. It is a principal part perspective view which shows the connection structure of a side plate and a top plate, (a) has shown before connection, (b) has shown after connection. It is the A section enlarged view of FIG.

Explanation of symbols

  1. Box body, 2. Side plate, 3. Top plate, 4. Bottom plate, 5. Back plate, 6. Opening, 7. Water draining frame, 7a ... Vertical frame, 7b ... Horizontal frame , 8 ... Door plate, 17 ... Folded piece.

Claims (2)

A box main body in which five surfaces are closed by the left right plate, top plate, bottom plate, and back plate to form a storage space for electrical equipment, and a butterfly is attached to the box main body to close the front opening of the box main body. In the electrical equipment storage box having a door body worn, and provided with a draining frame on the periphery of the opening of the box body,
The draining frame includes a vertical frame provided along the left and right sides of the opening and a horizontal frame provided along the upper side of the opening, and each is formed independently. An electrical equipment storage box having a length exceeding a frame and having a bent piece bent downward at an end thereof. While the vertical frame is formed continuously from the side plate, the horizontal frame is formed continuously from the top plate, the side plate side front frame extending from the side plate to the vertical frame and the top plate side front frame extending from the top plate to the horizontal frame overlap each other. The electrical equipment storage box according to claim 1, wherein the top plate-side front frame is disposed on the front side of the side plate-side front frame.

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