JP2591712Y2 - Bus duct wall penetration structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall penetrating structure in which a through hole is provided in a wall of a building and a bus duct penetrates the through hole.

[0002]

2. Description of the Related Art FIG. 5 shows a conventional bus duct through-wall structure. In FIG. 5, reference numeral 1 denotes a building wall;
The wall 1 has a through hole 3 through which the bus duct 2 penetrates. A partition plate 4 is provided on the case 2a of the bus duct 2.
Are fixed by welding 5. The end of the partition plate 4 is fixed to the wall surface 1a near the through hole 3 by a fixing bolt 6 via a packing 7 while maintaining the liquid tightness.

[0003]

[Problem to be solved by the invention] However, the bus duct 2
When the partition plate 4 is welded on the case 2a, the welding operation requires a great deal of time and requires a skilled operator. In addition, the partition plate 4 was liable to be distorted due to welding, and thus it was difficult to reliably waterproof the packing 7. Further, since the welding operation needs to be performed on the outdoor side, it is also necessary to perform an operation for removing combustible materials and the like existing near the wall surface 1a on the outdoor side. This invention has been made to solve the above problems, the working
An object of the present invention is to provide a bus duct through-wall structure that can be assembled efficiently.

[0004]

This invention SUMMARY OF THE INVENTION In wall penetrating structure bus duct provided in a wall having a through hole penetrating the bus duct, bus duct of fitting the upper case together are in the through hole from both wall surface of the wall, respectively First and second closing bodies of a two-part structure to be closed, and the head of the first closing body is liquid-tight.
Is held and fixed, and is passed through the second closing body through the through hole.
And a plurality of tightening bolts that are inserted in alignment with the holes .

[0005]

[Action] Since the first and second blocking body, two-division structure can and this <br/> to be fitted in a state of closing the through hole on the bus duct in the case, Matashimezuke bolt previously registrable in First closure
Fixed without any need for alignment, etc.
2 can be inserted through the through hole of the closing body. Therefore, welding work is not required.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view of the bus duct wall penetration structure according to the present invention, and FIG. 2 is a sectional view taken along line AA of FIG. In these figures, reference numeral 10 denotes a wall of a building, in which a rectangular through hole 11 is provided. A bus duct 12 penetrates the through hole 11. The bus duct 12 has a case 13 having a rectangular cross section,
Conductors 14 are arranged in the case 13, and each conductor 14 is supported in the case 13 by an insulating spacer 15.

The wall penetrating structure of the present invention has a first closing body 16. The closing body 16 has a configuration of being vertically divided into two parts, and is integrally formed with fitting portions 17A and 17B having a U-shaped cross section fitted on the case 13 of the bus duct 12, and with the fitting portions 17A and 17B. The flange portions 18A and 18B are formed in a flexible manner, and the connecting plate portions 19A and 19B protrude outward from both ends of the fitting portions 17A and 17B.

[0008] The first closing body 16 having the above configuration is
In the state where the flange portions 18A and 18B are in contact with one wall surface 10a of the wall 10 with the packing 22 interposed, the case 1
3, the fitting portions 17A, 17B are fitted from above and below, and the opposing connecting plate portions 19A, 19B are tightened with fixing bolts 20a and nuts 20b with a packing 21 interposed therebetween.
It is fixed on the case 13 by being connected.

The wall penetration structure of the present invention has a second closing member 16 'as shown in FIG. This closing body 16 'has exactly the same structure as the above-described first closing body 16, and as shown in FIG. Fixed.

The flange portion 18A, 1 of the first closing member 16
A plurality of tightening bolts 23 pass through 8B. The heads of these tightening bolts 23 have flange portions 18A, 1A in advance.
8B by welding, penetrating through the through hole 11,
Through the through holes provided in the flange portion 18A 'of the closing member 16'. The nuts 24 are attached to the tip thread portions of these tightening bolts 23 via spring washers or the like.
Are screwed and tightened.

As described above, the first and second closing bodies 16, 1
6 ′ is fitted and fixed to the case 13, and the flange portions 18 A, 18 B and 18 A
Through the through hole 11 of the wall 10
It can be closed while maintaining liquid tightness from the 0a, 10b side.

Since the welding work at the time of assembling becomes unnecessary, it is possible to assemble the wall penetrating structure with good workability even without a skilled person, and without assembling the combustible material and the like. , 16 ′ are not distorted, and both sides of the through hole 11 are closed via the packing 22, so that the waterproof property can be improved. Further, in this embodiment, the head of the tightening bolt 23 is previously set to the flange portion 18A,
Since it is fixed to 18B by welding, the waterproof property is further improved, and the assembly workability is also improved because the nut 24 may be simply screwed.

FIGS. 3 and 4 are a front view and a partial sectional view, respectively, of a wall penetration structure according to another embodiment of the present invention. In this embodiment, the wall 25 located in the building is provided with a wall penetrating structure, and the first closing body 16 and the second closing body 16 ′ are fitted on the case 13 of the bus duct 12 in the same manner as described above. It is fixed with fixing bolts 20a and the like. The above configuration is the same as the embodiment of FIG.

In this embodiment, the fastening bolt 23
(See FIG. 2), simply use the flange portions 18A, 18A.
B and 18A 'are in contact with the wall surfaces 25a, 25b. That is, since the wall 25 is located indoors, a waterproof structure is unnecessary. Therefore, the assembling can be further simplified, and the through hole 11 can be provided small.

[0015]

[Effects of the Invention] As described above, according to the present invention,
The first and second closing members of the two-part structure are fitted and fixed to the bus duct case to close the bus duct through-hole in the wall, so that welding is not performed, and the work is simple and easy to perform. It is possible to provide a through-wall structure of a bus duct having a structure that can be assembled while preventing occurrence of a fire or the like.

[Brief description of the drawings]

FIG. 1 is a front view of a wall penetration structure according to the present invention.

FIG. 2 is a sectional view taken along line AA of the wall penetration structure.

FIG. 3 is a front view of a wall penetration structure according to another embodiment of the present invention.

FIG. 4 is a partial cross-sectional view of the wall penetration structure.

FIG. 5 is a sectional view of a conventional through-wall structure.

[Explanation of symbols]

 10, 25 wall 11 through hole 12 bus duct 13 case 16, 16 'first and second closing body 23 fastening bolt

Continuation of the front page (56) References JP-A-58-127511 (JP, A) JP-A-58-127512 (JP, A) JP-A-58-112012 (JP, U) JP-A-58-127208 (JP, A) , U) Actually open 60-82927 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) H02G 3/22 H02G 5/00-5/10

Claims (1)

(57) [Scope of request for utility model registration] In a bus duct wall penetrating structure provided on a wall having a through hole through which a bus duct penetrates, a two-part structure which is fitted on a case of the bus duct and closes the through hole from one wall side of the wall. A first closed body having a structure, and a second divided structure which is fitted on a case of the bus duct and closes the through hole from the other wall side of the wall.
And the head of the first closing body is kept liquid-tight.
Fixed and passed through the second closing body through the through hole.
A plurality of fastening bolts, which are inserted in alignment with the holes, and include a wall penetration structure for a bus duct.