JPH1067323A - Connection structure for air conditioning duct for rolling stock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the whole construction by butting unit ducts formed of glass wool or carbon fiber on each other separately, covering the installation face and fixing it with connecting plates, and closing the connecting parts of a connecting duct positioned between each of the unit ducts by sealing members. SOLUTION: A connecting structure A of air conditioning ducts for a railway car is constituted of rectangular unit ducts 1 of prescribed length formed of glass wool, connecting plates 2 fitted to the tip of the unit ducts 1, a connecting duct 3 positioned between each of the butted unit ducts 1, and sealing members 4. The unit duct 1 is formed by bending the glass wool plate and the joints are stuck together. A duct formed by solidifying carbon fiber may be used for the unit duct 1 besides the glass wool. The sealing member 4 seals the joint between each of the unit ducts 1. This constitution can simplify the construction, secure the airtightness, provide with superior heat insulating performance, and provide the duct with sound absorbing effects.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure for a lightweight rail vehicle air-conditioning duct using a duct formed of glass wool or carbon fiber.

[0002]

2. Description of the Related Art As a conventional duct for a railway vehicle, a duct formed of, for example, aluminum or FRP and having a heat insulating material attached to an inner surface or an outer surface of the duct is used.

[0003]

However, since the conventional ducts for railway vehicles use aluminum or the like as a material, the weight is heavy. For example, a unit duct having a length of about 2 m is required to be used for a vehicle. It is necessary to install the unit duct on the ceiling etc. and connect the unit ducts sequentially, and it is necessary to install heat insulating material on the inner and outer surfaces of the duct, so the construction is very troublesome and the cost is high Further, in addition to the sealing performance in assembling the unit ducts, the sealing performance in the connection between the unit ducts is a serious problem.

In view of the above, the present invention provides a simple and leak-free connection between unit ducts, and furthermore, the use of a lightweight duct formed of glass wool or carbon fiber makes it easy to implement the entire system. An object of the present invention is to provide a connection structure for an air conditioning duct for a railway vehicle which is inexpensive.

[0005]

The inventor of the present invention has conducted intensive studies to solve the above-mentioned problems. As a result, the unit duct formed of glass wool or carbon fiber; A connection structure for a rail vehicle air-conditioning duct comprising at least a connecting plate for covering and fixing an installation surface; a connecting duct positioned between unit ducts; and a sealing member for closing a connecting portion. It is assumed that.

Further, it is preferable that a substantially U-shaped connecting plate, which can be covered from the bottom surface to the side surface of the unit duct, is fixed to both ends of the unit duct by projecting the tips.

It is preferable to use a connection duct having a substantially U-shaped connection duct main body and a lid capable of covering the upper part of the connection main body.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment that embodies a connection structure A of an air conditioning duct for a railway vehicle according to the present invention will be described.

As shown in FIGS. 1 to 3, a connection structure A of an air conditioning duct for a railway vehicle is attached to a rectangular unit duct 1 having a predetermined length formed of glass wool or the like, and to a tip end of the unit duct 1. It is composed of a connecting plate 2, a connecting duct 3 positioned between the unit ducts 1 butt, and a sealing member 4.

First, as shown in FIGS. 1 (a) and 1 (b), a unit duct 1 is formed by bending a glass wool plate having an aluminum foil adhered to the surface thereof to form a rectangular straight pipe, and using an aluminum tape at the joint. Is attached. Furthermore, unit duct 1
In addition to a glass wool, a lightweight duct formed by solidifying carbon fibers can be used, and a duct made of a foamed synthetic resin or the like can also be used.

As shown in FIG. 1 (a), the connecting plate 2 is a member having a U-shaped cross section obtained by bending a plate so as to cover the unit duct 1 from the bottom surface to both side surfaces. More specifically, it is formed from a zinc steel plate or a synthetic resin plate using FRP or the like.

The connection duct 3 is formed by cutting a duct cut to a length that can be positioned between the unit ducts 1 butted to each other and further into a U-shaped connection body 3a and an upper part of the connection body 3a. Is cut into a cover 3b that can be covered.

The seal member 4 seals a joint between the unit ducts 1 and the like, and an aluminum tape is used in the illustrated example.

When assembling the connection structure A of the air-conditioning duct for a railway vehicle, as shown in FIG. 1A, both ends of the unit duct 1 to be assembled in abutting manner are covered from the bottom surface to both side surfaces of the duct body. The connecting plate 2 is attached with an adhesive in a positional relationship in which the tip protrudes, and FIG.
As shown in (b), an aluminum tape as the sealing member 4 is attached to a gap which is a connecting portion 5 between the unit duct 1 and the connecting plate 2. Thus, the unit duct 1 provided with the connecting plates 2 at both ends is
As shown in FIG. 2, the connecting plates 2 are arranged in a straight line on a floor surface 7 which is an installation surface of a railway vehicle, and abutting the rivets 6 or using an adhesive in a state where the end portions of the connecting plates 2 partially overlap each other. And the connecting portion 5 of the connecting plate 2
After the aluminum tape serving as the sealing member 4 is attached from the inside to the gap, the adhesive is applied to the inner surface of the connection plate 2 between the unit ducts 1 to raise the connection body 3a of the connection duct 3 upward. And the cover 3b is placed and covered over the connection body 3a.
By attaching an aluminum tape as the seal member 4 to a gap which is a connecting portion 5 of the cover 3b and the cover 3b, as shown in FIGS.

In the above-described example, the connection duct 3 is formed of a connection body 3a and a lid 3b, so that an adhesive is applied to the inner surface of the connection plate 2 so that the connection body 3a of the connection duct 3 is formed. Although it is easy to perform the work of bonding by being positioned upward, it is also possible to use a short cut duct as the connection duct 3 as shown in FIG. Furthermore, as a remark, as the connection body 3a,
What can be separated into a bottom plate and both side plates may be used. Also,
In the illustrated example, the connecting plate 2 uses a U-shaped member that can cover the bottom surface of the unit duct 1 from both sides, but a plate body that can cover only the bottom surface of the unit duct 1 can also be used. It is. In the connection structure A of the air-conditioning duct for a railway vehicle described above, the aluminum tape is used as the seal member 4, but a sealing agent or the like may be used.

As described above, according to the connection structure A for the air-conditioning duct for a railway vehicle, the unit duct 1 can be connected in a straight line by the connecting plates 2 provided at both ends of the unit duct 1, and the unit duct 1 and the unit duct can be connected. By locating the connection duct 3 between the ducts 1 and sealing with the seal member 4, the unit ducts 1 can be connected to each other and duct construction can be performed in a railway vehicle, so that construction can be easily performed. . Moreover, since the unit duct 1 is formed of glass wool or carbon fiber, the airtightness can be reliably maintained only by sticking the connecting portion 5 by abutting the duct and the duct and attaching the sealing member 4 using aluminum tape. And sealing performance can be improved. Further, since the duct is made of glass wool or carbon fiber, the duct has excellent heat insulating performance, and the duct itself has a sound absorbing effect.

Further, the shape of the unit duct 1 is not limited to a rectangular shape, but may be a cylindrical shape. That is, as shown in FIG. 6, a cylindrical connecting duct 3 and a gutter-like connecting plate 2 can be used for a cylindrical unit duct 1. Similarly, the connection duct 3 is also formed by cutting a cylindrical duct and having a connection body 3a and a lid 3b.

In the above-described example, the floor 7 of the railway vehicle
Although the structure for attaching the air-conditioning duct A to the vehicle is shown, it is possible to provide the air-conditioning duct also on the ceiling, the side surface of the vehicle, and the connecting portion between the vehicle and the vehicle by using a similar structure. , The ceiling and side surfaces of the vehicle, and the inner surface of the connecting portion between the vehicles are the installation surfaces. Also, unit duct 1
For example, cylindrical members having various shapes can be used in accordance with places where the railcars are installed.

Further, in the above-described example, the connecting plates 2 are provided at both ends of the unit duct 1, and the connecting plates 2 of the unit duct 1 to be connected are provided.
And a part of the connecting plate 2 of the unit duct 1 is overlapped and the rivet 6 is fixed.
Instead of providing each, the connecting plate 2 may be provided between the adjacent unit ducts 1 and the unit ducts 1 may be fixed to each one.

In the above-described example, glass wool or the like is used as the unit duct 1 in the connection structure A of the air-conditioning duct for a railway vehicle. However, a similar structure may be used by using an aluminum plate, an FRP plate, or the like. is there.

[0021]

As apparent from the above description, the following operations and effects are obtained. According to the connecting structure of the air-conditioning duct for a railway vehicle of the first aspect, the unit duct can be connected by covering and fixing the connecting plate to at least the installation surface of the unit duct and the unit duct which are separated from each other, By placing the connecting duct between the unit duct and the unit duct and sealing these connecting parts with a sealing member, it is possible to connect the unit duct and the unit duct and perform the duct construction on the railway vehicle, making construction easy Can be done. Moreover, since the unit duct is formed of glass wool or carbon fiber, the duct and the duct are abutted, and their connection portions can be kept airtight only by sticking a sealing member using aluminum tape or the like. And sealing performance can be improved. Further, since the duct is made of glass wool or carbon fiber, the duct has excellent heat insulating performance, and the duct itself has a sound absorbing effect.

According to the connection structure of the air-conditioning duct for a railway vehicle of the present invention, a substantially U-shaped connecting plate is fixed to both ends of each unit duct by projecting a tip end thereof, and then provided on the unit duct. The connection can be easily performed by riveting the connection plate and the connection plate. Moreover, the unit duct can be firmly fixed from the bottom surface to the side surface by the substantially U-shaped connecting plate.

According to the connection structure for an air conditioning duct for a railway vehicle of the third aspect, by using a connection duct composed of a connection body and a lid, for example, an adhesive is applied to the inner surface of the connection plate to connect the connection body. Can be sequentially performed by closing and closing the lid, and thus the operation can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a procedure for assembling a connection structure of a railcar air-conditioning duct according to a representative embodiment of the present invention.

FIG. 2 is a perspective view showing an assembling procedure of a connection structure of the air-conditioning duct for a railway vehicle.

FIG. 3 is a perspective view showing an assembled state of a connection structure for an air conditioning duct for a railway vehicle.

FIG. 4 is an enlarged longitudinal sectional view of a connection structure of an air conditioning duct for a railway vehicle.

FIG. 5 is a sectional view taken along line AA of FIG. 4;

FIG. 6 is an exploded perspective view of a connection structure of an air conditioning duct for a railway vehicle according to another embodiment.

FIG. 7 is an exploded perspective view of a connection structure of a railway vehicle air conditioning duct according to another embodiment.

[Explanation of symbols]

A Connecting structure of air-conditioning duct for railway vehicle 1 Unit duct 2 Connecting plate 3 Connecting duct 4 Sealing member 5 Connecting part 6 Rivet 7 Floor plate

 ──────────────────────────────────────────────────続 き Continued from the front page (72) Inventor Yoshiaki Ooka 2-1-1-18 Wadayama-dori, Hyogo-ku, Kobe-shi, Hyogo Kawasaki Heavy Industries Co., Ltd. Kawasaki Heavy Industries Co., Ltd. 2-1-1-18 Wadayama-dori Ward, Kawasaki Heavy Industries Co., Ltd. (72) Inventor Makoto Ogawara 2-1-1, Wadayama-dori, Hyogo-ku Kobe City, Hyogo Prefecture Inventor Hiroshi Mizushima 2-5-28-103 Higashinakajima, Higashiyodogawa-ku, Osaka

Claims (3)

[Claims] 1. A unit duct formed of glass wool or carbon fiber, a unit duct separated and abutted, and a connecting plate for covering and fixing at least an installation surface of the unit duct, and between the unit duct and the unit duct. A connection structure for a railcar air-conditioning duct, comprising: a connection duct to be positioned; and a seal member for closing the connection portion. 2. The air-conditioning duct for a railway vehicle according to claim 1, wherein a substantially U-shaped connecting plate that can be covered from the bottom surface to the side surface of the unit duct is fixed to both ends of the unit duct by protruding tips. Connection structure. 3. The air-conditioning duct connecting structure for a railway vehicle according to claim 1, wherein a connecting duct comprising a substantially U-shaped connecting duct main body and a lid capable of covering an upper part of the connecting main body is used. .