JPH07208682A - Elbow type piping cover body for corner part - Google Patents

Abstract

PURPOSE:To provide an elbow type piping cover body of corner part, which is capable of freely changing the bent angle in response to the bent angle of a pipe corner. CONSTITUTION:In an elbow type piping cover body for corner part, which has openings 22a for connecting it to other pipe cover bodies, and which is composed of two bent, cylindrical half cover partial bodies 21a capable of being separably combined with each other, the cover partial bodies 21a consist of a first half body 23a and a second half body 43a which have the connecting openings 22a, 42a on one end of each and which are turnably connected to their other ends overlapped with each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elbow type pipe cover body for covering a corner portion of a pipe such as an air conditioner.

[0002]

2. Description of the Related Art For example, a refrigerant pipe of an air conditioner arranged on an outer wall of a house is covered with a pipe cover body composed of two cover halves each having a half-split tube shape.
In many cases, aesthetics are improved or pipes are protected. Further, the refrigerant pipe is often partially bent and disposed on the outer wall of the house in order to avoid hitting a window, a door pocket or the like. In that case, the pipe cover body is shown in FIG.
As shown in (1), it is composed of straight line pipe cover bodies 71 and 73 for covering the straight line portion of the pipe and an elbow type pipe cover body 75 for covering the corner portion of the pipe. In the figure, reference numeral 77 is a window or door pocket, and 79 is an outdoor unit of an air conditioner.

By the way, the conventional elbow type pipe cover body 7
No. 5 was composed of two cover halves obtained by dividing a resin tubular body bent at 90 ° or 45 ° into halves, and the bending angle could not be changed. However, since the position of the window or the door pocket is different for each house, and the position where the air conditioner outdoor unit is installed is also different for each house, the angle of the piping corner is not always 45 ° or 90 °. It was Therefore, the conventional elbow type pipe cover body often cannot cope.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention provides an elbow type pipe cover body for a corner portion in which the bending angle can be freely changed according to the bending angle of the piping corner portion.

[0005]

SUMMARY OF THE INVENTION The present invention has a corner portion composed of two cover split bodies which are separable from each other and have a bent half-tube shape having opening portions for connection with other piping cover bodies at both ends. In the elbow type pipe cover body for use, the cover division body has a first half body and a second half body which have the connection opening portion at one end and are overlapped at the other end and are rotatably connected to each other. It is characterized by

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a front view of an elbow type pipe cover according to an embodiment of the present invention, FIG. 2 is a rear view of the same embodiment, FIG. 3 is a view of the same embodiment taken along arrow A, and FIG. 4 is a wall in the same embodiment. FIG. 5 is an inner view of the other side cover divided body in the same embodiment, FIG. 6 is an exploded perspective view of the wall side cover divided body in the same embodiment, and FIG. 7 is a bending angle in the same embodiment. FIG. 8 is a front view showing a state in which is enlarged, and FIG. 8 is a sectional view showing a part of another embodiment.

As shown in FIGS. 1 to 3 and FIG.
The pipe cover body 10 of the present invention has a bent cylindrical shape having openings 11 and 13 for connection with other pipe cover bodies at both ends, is made of a hard resin such as a hard vinyl chloride resin, and has a central portion on both sides. The bending angles θ can be changed by rotating the members 15 and 17 with each other.

The pipe cover body 10 is composed of two cover divided bodies 21a and 21b each having a bent half-split tube shape divided along the length direction of the pipe.
The corners of the pipe are housed inside a and 21b. The one cover divided body 21a constitutes a wall side cover divided body fixed to the outer wall of the house or the like, and the other side cover divided body 21b is separable from the wall side cover divided body 21a. In the following, the symbol a indicates the wall side, and b indicates the other side.

Further, the both cover divided bodies 21a, 21b.
, As better shown in FIGS.
An opening 22a for connection with another piping cover is provided at each end,
First half bodies 23a and 23b having 22b and second half bodies 43a and 43b having connection openings 42a and 42b are
The other end overlaps and is rotatably connected. First half 23a, 23b and second half 4 in this embodiment
The pivotable connection with 3a, 43b is such that the first half 23a,
A shaft 24a projectingly formed on the inner surface near the connecting end of 23b,
24b is inserted into bearing holes 44a and 44b formed near the connecting ends of the second halves 43a and 43b.

In this embodiment, the shafts 24a, 2a
4b is simply inserted into the bearing holes 44a, 44b, but in order to prevent the separation of the two halves 23a, 23b, 43a, 43b when the two divided bodies 21a, 21b are combined,
The tips of the shafts 24a and 24b are provided with bearing holes 44a and 44b.
From the second half 43a, 43b into the shaft 2
The tips of 4a and 24b may be enlarged by heating and softening. Of course, other rotatable coupling means such as bolts and nuts, etc. and separation prevention means may be used instead.

Further, the first halves 23a, 2 which partially overlap each other
3b and the side walls 25a, 26a, 25b, 26b, 45a, 46 near the connecting ends of the second halves 43a, 43b.
The cross sections of a, 45b, 46b orthogonal to the rotation center axis C of both halves shown in FIG. 6 are arcuate shapes with the rotation center axis C as the center of radius. As a result, the first half 23
When the a, 23b and the second halves 43a, 43b are rotated,
Smooth rotation is secured without collision near the connecting ends of both halves.

Further, V-grooves 47a, 47b for cutting off the end portions are formed on the inner surfaces of the side wall portions 46a, 46b near the connecting ends of the second halves 43a, 43b, respectively.
It is formed from b. These V grooves 47a and 47b
As shown in FIG. 4 or FIG.
In the second halves 43a, 43b that overlap the inside of the connecting end of 3b, part of the side walls 49a, 49b near the connecting end
However, depending on the bending angle of both halves, the first halves 23a, 23
Since it may project into the inside of b to hinder the storage of the pipe, in this case, the projecting portion is cut off to enable the storage of the pipe. The cutting of the V grooves 47a and 47b is performed by selecting the V groove at the optimum position for cutting the portion that obstructs the storage of the pipe from the plurality of V grooves 47a and 47b, and cutting the V groove portion with a nipper, a clip, or the like. It is done by cutting with a tool. In addition to the side walls 46a and 46b on one side of the second halves 43a and 43b, the V groove for excision also includes the side wall 4 on the opposite side.
It may also be provided on 5a and 45b. Further, a cut may be provided instead of the V groove.

Further, the side walls 45a and 45b near the connecting ends of the second halves 43a and 43b are provided with angle scales 451 as shown in FIG. 6 at their merging edges. The angle scale 451 serves as a mark when the two halves are bent at a desired angle, and has marks such as lines, grooves, or dots formed at predetermined intervals. The adjustment of the bending angle of both halves using the angle graduation 451 is performed by the first halves 23a, 2 overlapping the side wall portions 45a, 45b having the angle graduation 451.
Ends of the side wall portions 25a and 25b of 3b (251 shown in FIG.
This is done by rotating both halves so that a) is at the desired position on the angle scale 451.

The angle scale 451 may be used instead of the side wall portions 45a and 45b, or the side wall portion 45 thereof.
In addition to a and 45b, it may be provided on the other side wall portions 46a and 46b. Further, instead of the angle scale 451 described above, an angle scale 452 as shown in FIG. 7 is formed on the outer surface of the second halves 43a and 43b near the connecting ends, or the first halves 23a and 23b are formed. An angle scale 453 as shown in FIG. 6 may be provided on the inner surface near the connecting end. Further, the angle scale 451 or the like has a bending angle value, for example, 80 °, 7
0 °, 60 °, etc. may be written together.

On the other hand, the connection openings 22a, 22b, 4 of the first halves 23a, 23b and the second halves 43a, 43b.
The inner surface on the 2a, 42b side has projections 27a, 27b, 50 for positioning stoppers of other end portions of the pipe cover body.
a and 50b are formed. This stopper projection 2
7a, 27b, 50a, and 50b collide with the ends of the other pipe cover bodies when they are inserted into the connection openings by a certain amount, and prevent further insertion, so that the connected state is maintained. It is for keeping it constant.

Also, the stopper projections 27a of the first halves 23a and 23b, which overlap the outer surface of the connecting end of the second half,
27b, the distance from the rotation center axis C is the second half 43
Side wall portions 45a, 46a, 4 near the connection end portions of a, 43b
It is preferable that the distance is larger than the turning radius of the outer surface of 5b, 46b. Thereby, when the two halves are rotated, the side wall portions 46a, 46b near the connecting ends of the second halves 43a, 43b.
Does not collide with the stopper projections 27a and 27b of the first half body, and there is no fear that the bending angle adjustment of both half bodies is disturbed.

Reference numeral 32a in the drawing denotes a screw insertion hole formed in both half bodies 23a and 43a of the wall-side divided body 21a. By using the screw insertion hole 32a, both halves 23 of the wall-side divided body
a and 43a are attached to the outer wall of a house or the like, and the bending angle thereof is fixed. Further, 34a and 34b are both divided bodies 2
1a and 21b are a fixing boss and a screw insertion hole for fixing the united state. The portion of the boss 34a and the screw insertion hole 34b is formed on the inner surface of the other divided body 21b as shown in FIG.
It is preferable to form an annular guide 341b that surrounds the outer circumference of the 4b so that the boss 34a fits inside the guide 341b. The inner surface of the tip of the guide 341b has a tapered surface 342b so that the boss 34a can be easily inserted. The presence of this guide facilitates positioning and joining of the two divided bodies 21a and 21b.

The pipe cover body 10 thus constructed is
First, the first half 23a and the second half 43 of the wall-side divided body 21a
a is rotatably connected by inserting the shaft 24a into the bearing hole 44a. Then, after the both halves are rotated according to the bending angle of the pipe corner, the screw insertion hole 32 is provided.
It is fixed to the outer wall of a house, etc. by the screw inserted in a. At this time, if a part of the connecting end of the second half body 43a projects as described above and interferes with the storage of the pipe corner, the obstructing part is cut off by using the V groove 47a. . Then, the pipe corner is housed inside the wall-side divided body 21a.

Also, the first half 23b of the other side divided body 21b.
And the second half 43b are rotatably connected as described above,
The interfering portion of the connecting end is cut off using the V groove 47b. Then, after the other side divided body 21b is adjusted to the bending angle of the wall side divided body 21a, it is joined to the wall side divided body 21a, and both divided bodies 21a, 21b are fixed by the screw inserted into the fixing screw insertion hole 34b. .

When the bending angle of the other side divided body 21b is adjusted, the bending angles of the two divided bodies 21a and 21b can be matched very easily by using the angle scale 451. That is, the positional relationship between the end (251a shown in FIG. 6) of the first half body 23a of the wall-side divided body 21a and the angle scale 451 and the angle scale and the first half body 23b of the other side divided body 21b. The first half 23b of the other side divided body 21b so that the positional relationship of the ends of the connection end portions becomes equal.
And the second half 43b is rotated to adjust the bending angle.
In addition, the connection openings 11, 13 at both ends of the pipe cover body 10
At the time of mounting on the wall of the house or after, or after the mounting, another linear pipe cover body end is inserted into and connected to.

[0021]

As shown and described above, according to the elbow type pipe cover body for a corner of the present invention, the bending angle can be freely determined, so that the bending angle of the piping corner is 45 ° or 90 °. It can be used in cases other than ° and has extremely high practical value.

[Brief description of drawings]

FIG. 1 is a front view of an elbow type pipe cover body according to an embodiment of the present invention.

FIG. 2 is a rear view of the embodiment.

FIG. 3 is a view on arrow A of the embodiment.

FIG. 4 is an inside view of the wall-side cover division body in the embodiment.

FIG. 5 is an inner view of the other-side cover division body in the embodiment.

FIG. 6 is an exploded perspective view of a wall-side cover divided body according to the embodiment.

FIG. 7 is a front view showing a state in which a bending angle is increased in the embodiment.

FIG. 8 is a cross-sectional view showing a part of another embodiment.

FIG. 9 is a schematic view showing a usage state of a pipe cover.

[Explanation of symbols]

10: Elbow type pipe cover body 21a: Wall side division body 21b: Other side division body 22a, 22b, 42a, 42b: Connection opening 23a, 23b: First half body 24a, 24b: Shaft 27a, 27b, 50a, 50b: Positioning stopper projection 43a, 43b: Second half 44a, 44b: Bearing hole 47a, 47b: V groove for cutting off the end C: Rotation center axis

Claims (6)

[Claims] 1. An elbow type pipe cover body for a corner portion, which is formed by two half-cylinder-shaped bendable split cover bodies having opening portions for connecting to another pipe cover body at both ends thereof. For the corner portion, wherein the cover division body has the connection opening portion at one end and is composed of a first half body and a second half body which are overlapped at the other end and are rotatably connected to each other. Elbow type pipe cover body. 2. The rotatable connection between the first half body and the second half body according to claim 1, formed near an end of one of the first half body and the second half body. An elbow type pipe cover body for a corner part, wherein a shaft projectingly formed on the inner surface near the end of the other half body is inserted into the formed bearing hole. 3. The cross-sectional shape of the first half body and the second half body in the vicinity of the connecting end portions of the first half body and the second half body, the cross-sectional shape being orthogonal to the rotation center axis line of the first half body and the second half body, as described in claim 1 or 2. An elbow type pipe cover body for corners, which is characterized by having an arc shape as the center of the. 4. The method according to any one of claims 1 to 3,
An elbow type pipe cover body for a corner portion, wherein a plurality of notches or V-grooves for cutting off an end portion are formed in the vicinity of a connecting end portion of the first half body or the second half body. 5. The method according to any one of claims 1 to 4,
A screw insertion hole for fixing the angle between the two halves and fixing both halves to a mounting surface is formed in at least one of the first and second halves of the cover divided body. Elbow type pipe cover for corners. 6. The method according to any one of claims 1 to 5,
The positioning stopper projection is provided on the inner surface of the first half body and the second half body on the side of the opening for connection to prevent the further insertion of the end portion of the other pipe cover body. An elbow type pipe cover body for a corner portion, characterized in that the half body or the second half body is formed away from the rotation center of both half bodies by a distance larger than the rotation radius of the outer surface in the vicinity of the connecting end portion. .