JP3171888B2 - Shaft board - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shaft disk.

[0002]

2. Description of the Related Art Conventionally, a shaft board disposed in an electric room is
An internal unit such as a breaker is housed and arranged in a box-shaped main body made in advance in a factory, and is carried to an installation site in that state to perform on-site construction.

[0003]

The conventional shaft disk as described above requires a large amount of manpower due to its heavy weight at the time of carrying in. Further, since the disk body has a box-like fixed shape, it takes time and effort to perform on-site wiring. There was a problem that it took. SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to provide a shaft panel that requires less labor when carrying in, and that can perform wiring installation and wiring maintenance and inspection easily. is there.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a back plate on which an inner unit is disposed, and a back plate disposed at a vertical position in front of the back plate. , The lower frame,
On both sides of the front surface of the back plate, upper and lower opening ducts are respectively disposed between the lower frame, and both sides of the duct and upper and lower, the protective plate of the inner unit is disposed at a portion surrounded by the lower frame. consists of a lid which is freely applied removably to the front opening of the duct, the back
A frame with plate parts arranged in parallel on both sides and a frame on both sides
So as to bridge the upper and lower front sides of both frames respectively on both sides
And a wire support rail with a substantially U-shaped section fixed in the direction
The above-mentioned wire support rails pass through wires
Lock the support bracket with the support ring that can be inserted and supported
is there.

According to the second aspect of the present invention, the front and upper surfaces of the upper frame portion can be opened .

[0006]

According to the first aspect of the present invention, since the back plate, the protective plate, the duct, and the upper and lower frame portions can be disassembled, the weight of each member is reduced when carrying in. Therefore, a small number of hands are required, and the duct can also serve as a side wall of the panel, so that the inside of the panel can be sealed together with the upper and lower frame portions.

Further, since the front opening is obtained by removing the lid of the duct, wiring work and maintenance and inspection of the wiring can be easily performed. Change
A frame with the above back plate parallel to both sides, and both sides
Husband on the upper and lower front of both frames so as to bridge the frame
With a wire support rail with a generally U-shaped cross section fixed in each side direction
Conveys the back plate with the internal unit attached
Hand, hold the back plate with your hand on the wire support rail.
Can be lifted to improve transport workability, and
Strength is also strengthened by the wire support rails. Furthermore
Connect the thick wire connected to the breaker etc. with the support ring of the support bracket.
Because it can be held, wires can be easily bundled,
The wires are not damaged and safety can be secured. According to the second aspect of the present invention, since the front surface and the upper surface of the upper frame portion can be further opened, the electric wire sent from above during the wiring work can be ducted by using the duct and the front opening of the upper frame portion. It can be housed from the front, so that the construction can be performed more easily than when the wire is inserted into the wire insertion hole and pulled into the panel.

[0008]

[0009]

The present invention will be described below with reference to examples. FIG. 1 is an exploded perspective view of the entire embodiment. As a basic configuration, a back plate portion 1, upper and lower frame portions 2, 3, a duct 4 for wiring, a protection plate 5, and a duct 4 And a lid 6.

As shown in FIG. 2, the back plate portion 1 is fixed to a mounting wall of an electric room or the like by using fixing plates 21 provided on both sides of the upper end, and has a cross section substantially as shown in FIG. Four U-shaped metal frames 7 are arranged in parallel, and the upper and lower frames 7, 7 are bridged and fixed between the frames 7, 7 by metal electric wire support rails 22, 22, respectively. As shown in FIG. 2, the metal bottom plate 26 is fixed across.

In the back plate 1 constructed as described above, a metal inner unit mounting base 24 is disposed on both sides of the central part, and a metal mounting plate 25 is disposed between the mounting bases 24,24. Then, an inner unit such as the main breaker 8a or the branch breaker 8b is mounted on the mounting plate 25, and the wiring is connected by a conductive bar. The upper frame part 2 is a frame 7 on both sides of the back plate part 1,
A metal side plate 9 placed and fixed on the upper end of the front surface of the front plate 7 such that the outer surface thereof is substantially flush with the outer surface of the frame 7, and fixed by screws 11 between the upper surfaces of the side plates 9 on both sides. It comprises an upper surface plate 10 for closing the upper surface opening, and a front plate 13 fixed between the front surfaces of the side plates 9 on both sides with screws 12 to close the front opening.

The lower frame 3 is provided with frames 7 on both sides of the back plate 1.
A metal side plate 14 mounted and fixed to the lower end of the front surface of the frame 7 so that the outer surface thereof is substantially flush with the outer surface of the frame 7; And a front plate 15 for closing the front end. The wiring duct 4 has a U-shaped cross section and is made of a resin molded product having an open front and upper and lower end surfaces. The outer surface of the frame 7 and the outer surface of the outer side piece are provided on the front surface of the frame 7 on both sides of the back plate 1. The screws are fixed so that they are substantially flush. A number of notches 16 are provided on the inner side piece of the duct 4 so that electric wires can be introduced into and out of the duct 4.

A lid 6 is detachably attached to the front surface of the duct 4 so that the front opening can be closed. The lid 6 has both side edges bent and is attached to the duct 4. In this case, with the front end of the inner side piece of the duct 4 being locked to the inner surface of the inner bent piece, the front end of the outer piece of the duct 4 is press-fitted and fixed to the inner surface side of the outer bent piece.
When this attaching operation is started by locking the outer piece of the duct 4 with the bent piece of the lid 17 in the cutout 16 of the inner piece, the front end of the inner side piece of the duct 4 is completely bent at once. May not fit.

The protection plate 5 is made of a metal plate and is disposed between the ducts 4 on both sides. The protection plate 5 has holes 17 and 18 for projecting the operation handle of the internal unit to the outside.
The operation handle and the like are exposed to the outside, and at the same time, the front opening of the space surrounded by the upper and lower frame parts 2 and 3 and the ducts 4 and 4 is closed. Is divided into The upper protection plate 5 has an upper end extending from a lower end of the front plate 13 of the upper frame 2 and a front plate 13.
Is mounted on a mounting piece 13a whose front surface is located slightly behind the front surface, and is fixed by screws 19, and its lower end is mounted on the upper half of a fixed base 20 disposed in the center of the front surface of the back plate 1. And fixed by screws 19.

The lower protective plate 6 has a lower end formed with a lower frame 3.
Is mounted on a mounting piece 15a extending from the upper end of the front plate 12 and having a front surface slightly behind the front surface of the front plate 15 and fixed by screws 19, and the upper end portion is mounted on the lower half of the fixed base 20. And fixed by screws 19. As shown in FIG. 4, the parts such as the operation handle of the inner unit projecting forward from the hole 18 are the front surfaces of the lids 6, 6 attached to the ducts 4, 4 on both sides, and the upper and lower frame parts 2, 3. Front plates 13, 15
Will not protrude forward from the front of the vehicle and will be protected.

Each protective plate 6 has a handle 27 at the front of each side.
Is installed. The wire support rail 22 is bent in such a manner that its cross section is U-shaped, the front and both end portions are open, and the front ends of both side pieces are inwardly facing each other. ), Support bracket 23 shown in (b)
Of the T-shaped base 23a. Support bracket 23
Has the T-shaped base 23a at one end and the screw fastening portion 2 at the other end.
3b, two divided metal members 23d each having a semi-supporting ring 23c formed at an intermediate portion between the two metal members 23a, 23b. The two metal members 23d, 23d are overlapped with each other to support an electric wire. The T-shaped base 23a is inserted from the end of the groove of the rail 22 and moved to an appropriate position, and
An electric wire wired in the up and down direction is inserted into a support ring made of the members 3c, and the electric wire is supported by reducing the diameter of the support ring with fastening screws screwed to the screw fastening portions 23b.

The support fitting 23 is, for example, a main breaker 8.
It is suitable for bundling a very thick electric wire to be connected to a, and by bundling, it is possible to prevent breakage of the covering of the electric wire, and to ensure the quality and the safety. FIG. 1
As shown by, each member is carried to the site in a disassembled state, assembled, and wired to complete construction in the electric room.

FIGS. 6 and 7 are a front view and a side view showing a state in which the shaft disc of the present invention is assembled and completed by on-site construction.

[0019]

According to the first aspect of the present invention, the back plate on which the inner unit is disposed, the upper and lower frames disposed on the front of the back plate, the lower frame, and the upper side on both sides of the front of the back plate. A front opening duct provided between the lower frames, a duct on both sides and a protection plate for the inner unit provided at a portion surrounded by the upper and lower frames, and a detachable / attachable front opening of the duct. Since it consists of a lid that can be freely attached, the back plate, the duct, and the upper and lower frame parts can constitute the back plate, side plate, and upper and lower plates of the board, respectively, and can form a box part. Since the main body is not required and can be disassembled into individual parts, it is possible to carry in individual parts with light weight, so it can be carried in with few hands, and if the lid of the duct is removed, the front opening will be open, so wiring work and In addition, there is an effect that the maintenance and inspection of the wiring can be easily performed.

Further, the above-mentioned back plate portion is arranged on both sides in parallel.
Frames on both sides to bridge the frames
Approximately U-shaped wires fixed to the upper and lower front sides of each side
It consists of a support rail and the above wire support rail
Support ring that allows the wire to be inserted
Since the supporting bracket is locked, with the inner unit attached
When transporting the back plate, hold the wire support rail
The back plate can be lifted, improving workability
Also, the strength of the back plate is strengthened by the wire support rails.
To be connected to the main breaker, etc.
Thick wire can be held by the support ring of the support bracket.
Can be bundled easily, without damaging the wires during construction, and safe
And high quality can be secured. According to the second aspect of the present invention, since the front and top surfaces of the upper frame portion can be opened, electric wires sent from above at the time of wiring can be forwarded into the duct by using the duct and the front opening of the upper frame portion. Therefore, there is an effect that the construction can be easily performed as compared with a case where the wire is inserted into the wire insertion hole and drawn into the board .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of one embodiment of the present invention.

FIG. 2 is a perspective view of one embodiment of the present invention.

FIG. 3 is a perspective view of a back plate according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view of one embodiment of the present invention.

FIG. 5A is an exploded perspective view of a support fitting according to one embodiment of the present invention. (B) is sectional drawing which shows the use condition of the support fixture of one Example of this invention.

FIG. 6 is a front view of one embodiment of the present invention.

FIG. 7 is a side view of one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Back plate part 2 Upper frame part 3 Lower frame part 4 Duct 5 Protection plate 6 Lid

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 3-63026 (JP, U) JP-A 3-94003 (JP, U) JP-A 1-166408 (JP, U) JP-A 1-166408 157503 (JP, U) Japanese Utility Model Application Hei 5-23735 (JP, U) Japanese Utility Model Application Model Hei 3-2302 (JP, U) Japanese Utility Model Application Details attached to the application form No. 63-49433 (Japanese Utility Model Application No. 1-157503). Microfilm (JP, U) photographing the contents of the specification and drawings Microfilm (JP, U.S.A.) photographing the contents of the specification and drawings attached to the application for Japanese Utility Model Application No. 63-62288 (Japanese Utility Model Application No. 1-166408). U) Microfilm (JP, U) which photographed the contents of the specification and drawings attached to the application for Japanese Utility Model Application No. 2-373 (Japanese Utility Model Application No. 3-94003) (58) Fields investigated (Int. ⁷ , DB name) H02B 1/30 H02B 1 / 20 H02B 3/00 H05K 5/02 H05K 7/18 H02G 3/04 H02G 3/26

Claims (2)

(57) [Claims] 1. A back plate portion on which an inner unit is disposed, upper and lower frames arranged at upper and lower positions on a front surface of the back plate portion, and a lower frame portion and a lower frame portion on both sides of the front surface of the back plate portion. A duct having a front opening provided, a protection plate for the inner unit disposed at a portion surrounded by both side ducts and upper and lower frames, and a lid detachably attached to the front opening of the duct. The back plate is parallel to both sides
Place both frames so as to bridge the
Cross section fixed to both sides on the upper and lower front sides of the side frame
And a U-shaped wire support rail.
Has a support ring that inserts and supports the wires that are wired up and down.
A shaft disc characterized by locking a supporting bracket . 2. The shaft disk according to claim 1, wherein a front surface and an upper surface of the upper frame portion can be opened.