JP2571913Y2 - Elbow type piping cover - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention is used at a corner of a wall surface when connecting an elbow-type pipe cover for protecting an air-conditioning pipe for transmitting and receiving air between an indoor unit and an outdoor unit of an air conditioner. The present invention relates to an elbow-type piping cover, and particularly to an elbow-type piping cover that can flexibly cope with an angle of a wall corner.

[0002]

2. Description of the Related Art Conventionally, as a cover for an air-conditioning pipe, an elbow-type pipe cover made of a cylindrical body made of a synthetic resin has been considered, and the air-conditioning pipe is uniformly protected simply by being housed inside the elbow-type pipe cover. ing.

[0003] The conventional elbow-type pipe covers are connected to each other so as to correspond to the corners of the wall of the building, as disclosed in Japanese Utility Model Application No. 3-51449, which has already been disclosed by the present applicant.
No., there is an elbow type pipe cover.

[0004]

However, this elbow-type pipe cover can only deal with a corner of a building at a right angle, and in order to accommodate a corner of a building at another angle, an elbow with an angle set each time is required. There was a problem that a mold pipe cover had to be made. Here, a corrugated pipe cover having a high degree of flexibility to bend flexibly is known, but this has a problem that a so-called soft type pipe cover cannot be used with a hard type pipe cover.

Accordingly, the present invention is an elbow-type piping cover designed to solve the above-mentioned problem of the conventional product, and an object of the present invention is to flexibly cope with the angle of a corner of a building. An object of the present invention is to provide a hard type elbow type pipe cover.

[0006]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above, and is formed into a tubular shape having a substantially L-shaped vertical cross section, and has a straight pipe portion and a bent portion, and is divided into two at substantially the center of the vertical cross section. A small-diameter member, and a tubular and substantially L-shaped section having a straight pipe portion and a bent portion. The inner surface of the bent portion is an outer surface of the bent portion of the small-diameter member. An elbow pipe formed by connecting the small-diameter member and the large-diameter member by bringing the outer surface of the bent portion of the small-diameter member into contact with the inner surface of the bent portion of the large-diameter member. An elbow type pipe cover, wherein an outer surface of a bent portion of the small-diameter member and an inner surface of a bent portion of the large-diameter member are bent at equal angles and intervals in multiple stages.

Here, the small-diameter member and the large-diameter member are
It is divided into two such that the cross section becomes L-shaped. this is,
First, it is not possible to form an elbow-type pipe cover having a predetermined angle unless one side of the small-diameter member and the large-diameter member are connected to each other, and then the divided small-diameter member and large-diameter member are not connected to each other. That's why.

The outer surface and the inner surface that are in contact with each other may have any shape as long as the angle of the elbow type pipe cover can be changed depending on the size of the contact area. For example, the outer surface and the inner surface are bent in multiple steps at equal angles and intervals. There is a side that is bent, and a side that is gently bent. In order to stabilize the joining between the small-diameter member and the large-diameter member, engagement ridges that engage with each other may be provided on each of the outer surface and the inner surface. By providing a decorative surface outside the bent portion of the large-diameter member, an elbow-type pipe cover having a constant outer shape can be formed regardless of the shape of the bent portion.

Any means can be used for connecting the divided members of the small-diameter member and the large-diameter member as long as they can be fixed stably. There is a method using an adhesive or a method using a bolt or a screw.

[0010]

According to the present invention, the small-diameter member and the large-diameter member are connected to each other at a predetermined angle, and then the divided small-diameter member and large-diameter member are connected to each other. Can be arbitrarily changed.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 is a perspective view showing a first embodiment of an elbow type pipe cover according to the present invention, and FIGS. 2 and 3 show that the set angle of the elbow type pipe cover of the first embodiment can be arbitrarily set. It is sectional drawing.

As shown in FIG. 1, the elbow-type piping cover of the first embodiment is formed in a tubular shape and has a substantially L-shaped vertical cross section, and has a straight pipe portion 11 and a bent portion 12, and is provided at substantially the center of the vertical cross section. It is composed of a divided small-diameter member 1 and a large-diameter member 2 which is formed into a tubular shape and has a substantially L-shaped longitudinal section and has a straight pipe portion 21 and a bent portion 22 and is divided into two parts at substantially the center in the longitudinal section. And the bent part 22
Is formed so as to substantially coincide with the outer surface of the bent portion 12 of the small-diameter member 1, and the outer surface of the bent portion 12 of the small-diameter member 1 and the inner surface of the bent portion 22 of the large-diameter member 2 have a uniform angle,
It is bent in three steps at intervals. FIG. 2 shows a vertical cross section in this state.

In order to form as shown in FIG. 1, first, the connection between one side of the same side of the small-diameter member 1 and the large-diameter member 2 is made as shown in FIG. 22 and then the small-diameter members 1 and the large-diameter members 2
What is necessary is just to connect each other.

When the elbow type pipe cover is assembled with the angle changed, the connection between the small-diameter member 1 and the large-diameter member 2 on the same side only needs to be replaced as shown in FIG. Can be. Although illustration is omitted,
By further reducing the contact area between the bent portions 12 and 22, an elbow-type pipe cover having a smaller inner angle can be obtained.

The present embodiment has the effect that the angle can be flexibly changed with a relatively simple shape having only multiple bent portions.

FIG. 4 shows a second embodiment. In the present embodiment, the engaging ridge 13 is provided at the end of the bent portion of the small diameter member 1, and the engaging ridge 23 is provided near each bent portion on the inner surface of the bent portion 22 of the large diameter member 2. By the engagement of the engagement protrusions 13 and 23, the small diameter member 1 and the large diameter member 2 are firmly engaged.

According to this embodiment, the engagement ridges 13, 2
3, the effect of being more firmly fixed than the elbow type pipe cover of the first embodiment is obtained.

FIG. 5 shows a third embodiment. This embodiment is the first
In this embodiment, the three bent portions in each of the bent portions 12 and 22 of the embodiment are combined into one. In the drawing, reference numeral 1A indicated by a dotted line indicates that the small-diameter member 1 is more deeply connected to the large-diameter member 2, and the position of the straight pipe portion 11 is 11A, and the position of the bent portion 12 is 11A. Is indicated by 12A.

According to this embodiment, there is an effect that the elbow type pipe cover, which can handle only a right angle, can also handle a wall corner of 90 degrees or more.

FIG. 6 shows a fourth embodiment. In this embodiment, the decorative portion 2 is provided outside the bent portion 22 of the large-diameter member 2 of the first embodiment.
5 is provided.

In this embodiment, it is possible to provide an elbow type pipe cover having a constant outer shape regardless of the shape of the bent portion 22.

FIG. 7 shows a fifth embodiment. In this embodiment, the bent portions 12 and 22 of the first embodiment are formed by gentle bending. Further, engaging projections 14 and 24 that engage with each other are provided on the contact surfaces of the bent portions 12 and 22. It is provided.

In the present embodiment, since the engaging ridges 14 and 24 are provided on the gently bent surfaces, when the elbow-type piping cover is formed, the setting position of the engaging ridge is changed. It can be set arbitrarily, which has the effect of being able to respond more flexibly to the corners of the wall of the building.

[0024]

According to the present invention, a small-diameter member which is formed into a tubular shape and has a substantially L-shaped vertical cross-section and has a straight pipe portion and a bent portion and is divided into two portions at a substantially central portion in a vertical cross-section is provided. It has a straight pipe portion and a bent portion, and has a vertical section substantially divided into two parts at substantially the center, and an inner surface of the bent portion is formed of a large-diameter member that substantially matches the outer surface of the bent portion of the small-diameter member. An elbow type pipe cover formed by connecting an outer surface of a bent portion of the member and an inner surface of the bent portion of the large-diameter member to connect the small-diameter member and the large-diameter member. The outer surface and the inner surface of the bent portion of the large-diameter member are bent in multiple steps at equal angles and intervals, thereby providing an effect of flexibly coping with the angle of the corner of the building.

Further, by providing engaging projections on the outer surface of the bent portion of the small-diameter member and the inner surface of the bent portion of the large-diameter member, respectively, there is an effect of having a stronger connection.

Further, the outer surface of the bent portion of the small-diameter member and the inner surface of the bent portion of the large-diameter member are gently bent, while engaging ridges that engage with each other are respectively formed on the inner surface and the outer surface of the bent portion. Since it is provided, the setting position of the engaging ridge can be arbitrarily set, thereby providing an effect that it is possible to more flexibly correspond to the corner of the wall of the building.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of an elbow type pipe cover according to the present invention.

FIG. 2 is a cross-sectional view showing features of an elbow type pipe cover of the first embodiment.

FIG. 3 is a cross-sectional view showing characteristics of the elbow type pipe cover of the first embodiment.

FIG. 4 is a sectional view showing an elbow type pipe cover according to a second embodiment.

FIG. 5 is a sectional view showing an elbow type pipe cover of a third embodiment.

FIG. 6 is a sectional view showing an elbow type pipe cover according to a fourth embodiment.

FIG. 7 is a sectional view showing an elbow-type piping cover according to a fifth embodiment.

[Description of sign]

 DESCRIPTION OF SYMBOLS 1 Small diameter member 11 Straight pipe part 12 Bend part 13 Engagement ridge 14 Engagement ridge 2 Large diameter member 21 Straight pipe part 22 Bend part 23 Engagement ridge 24 Engagement ridge

Claims (3)

(57) [Scope of request for utility model registration] 1. A small-diameter member 1 formed in a tubular shape and having a substantially L-shaped vertical cross-section and having a straight pipe portion 11 and a bent portion 12 and divided into two parts at a substantially central portion in a vertical cross-section. A large-diameter member 2 having a straight pipe portion 21 and a bent portion 22 and divided into two parts at a substantially central portion in a vertical section, and an inner surface of the bent portion 22 substantially coincides with an outer surface of the bent portion 12 of the small-diameter member 1. An elbow-type pipe cover formed by connecting the small-diameter member 1 and the large-diameter member 2 by bringing the outer surface of the bent portion 12 of the small-diameter member 1 into contact with the inner surface of the bent portion 12 of the large-diameter member 2 An elbow-type pipe cover, wherein an outer surface of the bent portion 12 of the small-diameter member 1 and an inner surface of the bent portion 22 of the large-diameter member 2 are bent at equal angles and intervals in multiple stages. 2. Practical use wherein engaging projections 13 and 23 are provided on the outer surface of the bent portion 12 of the small-diameter member 1 and the inner surface of the bent portion 22 of the large-diameter member 2, respectively. The elbow type pipe cover according to claim 1, wherein the new model is registered. 3. The outer surface of the bent portion 12 of the small-diameter member 1 and the inner surface of the bent portion 22 of the large-diameter member 2 are gently bent, while the engaging ridges 14, 24 engaging with each other are bent.
The elbow-type piping cover according to claim 1, wherein said inner and outer surfaces of said pipes are provided on said inner and outer surfaces, respectively.