JPH0616681U - Window frame mounting structure for electrical equipment box - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a window frame mounting structure that is easy to install, shortens construction time, and prevents the mounting bolts from protruding to the back surface of the door plate after the window frame body is mounted. To do. [Structure] The mounting frame 1 is composed of a contracting member including a fixing member 2 and a connecting member 3. The fixing member 2 has a mounting bolt insertion portion 4 formed with a groove in the vertical direction of the bolt insertion direction, and a window. The frame locking claws 5 are formed on the inner side surface of the mounting frame 1, and two types are provided, one for fixing the four corners and one for fixing the middle.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a window frame mounting structure that is mounted in an opening provided in a door plate of a box for housing electrical equipment.

[0002]

[Prior art]

 Conventionally, as shown in FIG. 7, a window frame attached to an opening provided in a door plate of a box for storing electrical equipment has a plurality of mounting bolts 32 integrally formed on a back surface of a window frame body 31 at predetermined locations. When the window frame body 31 is attached to the opening 34 provided in the door plate 33, the bolt insertion hole 35 corresponding to the arrangement of the mounting bolt 32 is previously provided in the door plate 33 around the opening 34. Then, the mounting bolt 32 of the window frame main body 31 is inserted into the bolt insertion hole 35, and the nut 36 is tightened from the rear surface of the door plate 33.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional technique, after the bolts are inserted through the plurality of bolt insertion holes 35 provided in the door plate 33, the nuts 36 must be tightened from the back surface of the door plate 33, and a tool for tightening the nut 36 is required. Therefore, the mounting work is very troublesome, and the mounting bolts 32 project from the rear surface of the door plate 33 after the window frame body 31 is mounted, which may damage the electric wires or hands during the work. There was a drawback that there was.

Therefore, an object of the present invention is to provide a window frame mounting structure in which the mounting work is good, the construction time is shortened, and the mounting bolt does not project to the rear surface of the door plate after the window frame body is mounted. To provide.

[0005]

[Means for Solving the Problems]

 In order to solve the above problems, a window frame mounting structure in a box for housing an electric device according to the present invention has a window frame equipped with mounting bolts on the back surface of the window frame body and a periphery of an opening provided in a door plate. Corresponding to two types of window frame main bodies, that is, a window frame that extends from a flange portion that covers the window portion and has a tubular portion that can be inserted into the opening portion and a locking portion that is provided in the tubular portion. The mounting frame is fixed to the mounting frame including a plurality of fixing members each having a mounting bolt insertion portion and a window frame locking portion, and a connecting member for connecting the fixing members. .

[0006]

[Action]

 Mounting bolts are provided on the back of the window frame body.After inserting the mounting bolts of the window frame into the bolt insertion holes of the door plate, the mounting bolts formed on the fixing member of the mounting frame composed of the fixing member and the connecting member. Insert the mounting bolt into the insertion part and fix the window frame body by pressing the mounting bolt insertion part.

In addition, after the tubular portion of the window frame main body provided with the locking portion, which is provided on the flange portion of the window frame main body, is inserted into the opening of the door plate, the window frame engaging member formed on the fixing member of the mounting frame Fix the window frame body by fitting the stopper into the locking groove of the tubular part.

[0008]

【Example】

 An embodiment of a window frame mounting structure in an electrical equipment housing box according to the present invention will be described with reference to the accompanying drawings.

FIG. 1 is an explanatory view of a mounting frame of a window frame body according to the present invention. The mounting frame 1 is composed of a fixing member 2 and a connecting member 3 each having a contracting property, and the fixing member 2 has The mounting bolt insertion part 4 is formed with a groove in the vertical direction of the bolt insertion direction, and the window frame locking claws 5 are formed on the inner side surface of the mounting frame 1 so that the four corners are fixed and the middle is fixed. There are various types.

FIG. 2 is an explanatory view of a window frame mounting structure provided with mounting bolts on the window frame body. When the window frame body 8 is attached to the opening portion 7 provided in the door plate 6, the opening portion is previously opened. 7 is provided with a bolt insertion hole 10 corresponding to the arrangement of the mounting bolt 9 in the door plate 6 around 7, and the mounting bolt 9 of the window frame body 8 is inserted into the bolt insertion hole 10 and is attached from the rear surface of the door plate 6. The mounting bolt 9 is inserted into the mounting bolt insertion portion 4 formed in the fixing member 2 of the frame 1, and the mounting bolt insertion portion 4 is pressed and fixed.

FIG. 3 is an explanatory view of a mounting structure of a window frame in which a tubular portion of the window frame main body is provided with a locking portion. A window formed by inserting the tubular portion 14 of the window frame body 11 provided with the locking groove 13 into the opening 7 of the door plate 6 and forming the fixing member 2 of the mounting frame 1 from the back surface of the door plate 6. The frame locking claw 5 is fitted and fixed in the locking groove 13 of the tubular portion 14.

The window frame mounting structure configured as described above has good workability and installation time because the mounting frame 1 can be mounted without a tool by the mounting frame 1 as shown in FIGS. 2 and 3. Significantly shortened.

Further, in FIG. 2, since the mounting bolt 9 is covered with the fixing member 2, there is no risk of damaging the electric wires or hands during the work. On the other hand, in FIG. 3, since the bolt insertion hole is not required, the door is not required. The cost of processing the plate 6 can be reduced, and since the mounting frame 1 is fitted into the tubular portion 14, the cut surface of the opening 7 from the back surface of the door plate 6 can be hidden so as not to be seen.

FIG. 4 is a modification of the fixing member according to the present invention, in which (a) is a perspective view and (b) is a sectional view taken along line AA. Since it is formed not in the direction but in the lateral direction, the mounting work is easy, and the mounting bolt 9 once inserted is not easily removed.

FIG. 5 and FIG. 6 are modified examples of the combination of the mounting frames according to the present invention, and FIG. 5 is configured by removing the connecting member 3 for connecting the left and right fixing members 2 and fixing the upper and lower parts. The connecting member 3 that connects the members 2 and 2 may be removed.

In addition, FIG. 6 is configured by only the fixing members 2 at the four corners, and since the fixing member 2 and the connecting member 3 can be easily attached and detached, the combination can be freely changed according to the cost or the size of the window frame. can do.

In the above embodiment, the locking groove 13 is formed in the tubular portion 14 of the window frame main body 11 and the window frame locking claw 5 is formed in the fixing member 2 of the mounting frame 1, but this is only an example. It is also possible to form the window frame locking claw 5 in the tubular portion 14 and the locking groove 13 in the fixing member 2.

Further, the shapes and attachment methods of other components are not limited to those in the above embodiment, and can be appropriately formed without departing from the purpose and spirit of the present invention.

[0019]

[Effect of device]

 As described above, the window frame mounting structure in the electrical equipment storage box body according to the present invention has a window frame provided with mounting bolts on the back surface of the window frame body and a flange covering the periphery of the opening provided in the door plate. Corresponding to two types of window frame main bodies, namely, a window frame having a tubular portion extending from the portion and capable of being inserted into the opening, and a locking portion provided on the tubular portion, and fixed to the door plate. The mounting frame includes a mounting frame including a plurality of fixing members each having a mounting bolt insertion portion and a window frame locking portion, and a connecting member for connecting the fixing members. Since the installation work can be done without the need for work, the workability is good, and the construction time is significantly shortened. There is no risk of scratching hands or hands, and the tubular part In the window frame body with the locking part, the bolt insertion hole is not required, so the processing cost of the door plate can be reduced, and since the mounting frame is fitted to the tubular part, the back surface of the door plate is The cut surface of the opening from can be hidden invisible.

[Brief description of drawings]

FIG. 1 is an explanatory view of a mounting frame of a window frame body according to the present invention.

FIG. 2 is an explanatory view of a window frame mounting structure in which a window frame body is provided with mounting bolts.

FIG. 3 is an explanatory view of a window frame mounting structure in which a tubular portion of the window frame body is provided with a locking portion.

FIG. 4 is a modified embodiment of the fixing member according to the present invention.

FIG. 5 is a modified embodiment of a combination of mounting frames according to the present invention.

FIG. 6 is a modified embodiment of a combination of mounting frames according to the present invention.

FIG. 7 is an explanatory view of a conventional window frame mounting structure.

[Explanation of symbols]

1 ... Mounting frame, 2 ... Fixing member, 3 ... Connecting member, 4, 15 ... Mounting bolt insertion part, 5 ...
Window frame locking claw, 6 ... Door plate, 7 ... Opening portion, 8, 11
... Window frame body, 9 ... Mounting bolts, 10 ...
Bolt insertion hole, 12 ... Flange portion, 13 ... Locking groove, 14 ... Cylindrical portion.

Claims (1)

[Scope of utility model registration request] 1. A window frame attached to an opening provided in a door plate of a box for storing electrical equipment, comprising: a window frame having a mounting bolt on a back surface of the window frame body; and an opening provided in the door plate. Corresponding to two types of window frame main body of a window frame that extends from a flange portion that covers the periphery and has a tubular portion that can be inserted into the opening, and a locking portion provided in the tubular portion, The mounting frame fixed to the door plate is provided with a plurality of fixing members each having a mounting bolt insertion portion and a window frame locking portion, and a connecting member connecting the fixing members. A structure for mounting a window frame in a box for storing electrical equipment, characterized by: