JPH11325501A - Protective cover for refrigerant duct of air conditioner, protective cover device, and drain connection pipe attached to protective cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protective cover for refrigerant ducts of an air conditioner which dispenses with an accommodation operation of a drain tube. SOLUTION: A protective cover 3 serves accommodating and protecting refrigerant ducts 2, 2 of an air conditioner, which are arranged along an external wall surface 1 of a building, and consists of a support 3a which is fixed to the external wall surface 1 and a cover 3b which is fitted into the support 3a. Further, the support 3a is integrally formed with drain portions 3e, 3e through which water from an indoor unit of an air conditioner passes. Since the protective cover 3 is integrally provided with the drain portions 3e, 3e, it is unnecessary to separately prepare a drain tube which is to be accommodated in the protective cover 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective cover and a protective cover device for a refrigerant pipe for an air conditioner which do not require a drain tube housing operation, and a drain connecting pipe attached to the protective cover.

[0002]

2. Description of the Related Art Conventionally, as a protective cover 21 for a refrigerant pipe for an air conditioner, for example, there is one shown in FIG. The protective cover 21 accommodates a drain tube 24 for discharging water collected in the indoor unit of the air conditioner, in addition to the refrigerant pipes 22, 22, the electric wires 23, 23.

However, in this protective cover 21,
In the protective cover 21, refrigerant pipes 22, 22, electric wires 23, 2
In addition to 3, the drain tube 24 had to be accommodated, and the work was troublesome.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional drawbacks, and an object of the present invention is to provide a protective cover and a protective cover for a refrigerant pipe for an air conditioner, which eliminates the need for housing a drain tube. Equipment, and
An object of the present invention is to provide a drain connecting pipe attached to the protective cover.

[0005]

SUMMARY OF THE INVENTION A protective cover and a protective cover device for a refrigerant pipe for an air conditioner according to the present invention, and
The drain connecting pipe attached to the protective cover has the following configuration to achieve the above object. That is,
The protective cover for the refrigerant pipe for an air conditioner according to the invention of claim 1 accommodates and protects the refrigerant pipe for an air conditioner disposed along a wall surface of a building, and is provided from an indoor unit of the air conditioner. A drain portion through which the water passes.
In this way, since the protective cover integrally includes the drain portion, it is not necessary to separately prepare a drain tube connected to the indoor unit of the air conditioner and housed in the protective cover. Here, “integral” means that the drain portion is integrated as a part of the protective cover, and not only when the drain portion is integrally formed with the protective cover without any seam. This is a concept including a case where the drain portion formed separately is fixed to the protective cover by fitting or the like and is integrated (the same applies hereinafter).

Further, like the protective cover of the refrigerant pipe for an air conditioner according to the invention of claim 2, the drain portion is provided with:
A plurality may be formed so as to be separated from each other. Thereby, for example, in order to form a drain path that is a water path from the indoor unit of the air conditioner so as to facilitate the construction, one of the plurality of drain portions that are formed so as to be separated from each other is formed. It can be appropriately selected and used. Further, for example, two or more of a plurality of drain units may be used to form respective drain paths through which water from indoor units of two or more air conditioners passes.

According to a third aspect of the present invention, there is provided a protective cover device for a refrigerant pipe for an air conditioner, the protective cover accommodating and protecting the refrigerant pipe for an air conditioner disposed along a wall surface of a building. It is connected to a protective cover and includes an attached protective cover for accommodating and protecting the refrigerant pipe. The protection cover is integrally provided with a drain portion through which water from the indoor unit of the air conditioner passes. Further, the accessory protective cover includes a drain connection pipe connected to the drain portion and through which water from the indoor unit passes. In this way, since the protective cover integrally includes the drain portion, it is not necessary to separately prepare a drain tube connected to the indoor unit of the air conditioner and housed in the protective cover. The attached protective cover is connected to the protective cover, and the drain connection pipe is connected to the drain of the protective cover to allow water from the indoor unit of the air conditioner to pass.

The drain connection pipe may be provided integrally with the accessory protection cover, as in the protection cover device for a refrigerant pipe for an air conditioner according to the present invention. Thus, when the accessory protective cover is connected to the protective cover, at the same time, the drain connection pipe integrally provided with the accessory protective cover is automatically connected to the drain portion of the protective cover.

A drain connecting pipe according to a fifth aspect of the present invention is a drain connecting pipe attached to the protective cover according to the first or second aspect, wherein the drain connecting pipe is connected to a drain portion of the protective cover. Water from the indoor unit passes therethrough. Thus, for example, the drain connection pipe is connected on one side to the drain portion of the protective cover, and is connected on the other side to another drain element (a drain portion of another protective cover, another drain pipe, or the like). , These drain parts can be connected to other drain elements.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a protective cover and a protective cover device for a refrigerant pipe for an air conditioner according to the present invention, and a drain connecting pipe attached to the protective cover.

FIGS. 1 to 5 show a protective cover and a protective cover device for a refrigerant pipe for an air conditioner according to the present invention, and FIGS.
An embodiment of a drain connection pipe attached to the protective cover is shown. In the figure, reference numeral 1 denotes an outer wall surface as a wall surface of a building, and 1a denotes an opening hole formed in the outer wall surface 1 and communicating with the inside and outside of the building. Reference numeral 2 denotes an air conditioner refrigerant pipe, which is inserted through the opening 1a and disposed along the outer wall surface 1 so as to connect an indoor unit (not shown) of the air conditioner and an outdoor unit (not shown). You. Reference numerals 3 and 4 denote a first protective cover and a second protective cover, respectively, which serve as protective covers for accommodating and protecting the air conditioner refrigerant tubes 2 and 2. Reference numeral 5 denotes an attached protective cover, and the first protective cover 3
The first protection cover 3 and the second protection cover 4 are connected to each other so as to connect the second protection cover 4 and the first protection cover 3 and the second protection cover 4.
6 is a drain pipe connected to the indoor unit of the air conditioner,
The tip portion 6a extends out of the building through the opening 1a. Reference numeral 7 denotes a drain connection pipe, which is connected to the drain pipe 6 and a drain portion 3e of the first protective cover 3 which will be described later. W1 is a wall cover, which is fixed to the outer wall surface 1 so as to cover the opening 1a and portions of the refrigerant pipes 2, 2 and the drain pipe 6 protruding from the opening 1a. The first protective cover 3 and the attached protective cover 5 constitute a protective cover device 8 for protecting the refrigerant pipes 2 and 2 for the air conditioner.

Here, as shown in FIGS. 1 and 2, the first protective cover 3 has a base 3a fixed to the outer wall surface 1.
And a lid 3b fitted to the base 3a. The base 3a and the lid 3b are respectively
For example, it is obtained by extruding a hard synthetic resin material.
The base 3a includes a bottom plate 3c abutting on the outer wall surface 1, side plates 3d on both sides of the bottom plate 3c, a bottom plate 3c and the side plate 3.
d and 3d, and is formed in a cylindrical shape and includes drain portions 3e and 3e through which water from an indoor unit of the air conditioner passes. As a result, the drain portions 3e, 3
e are formed on the outer wall surface 1 side so as to be spaced apart from each other (in the illustrated embodiment, a plurality of e are arranged so as to be located in a symmetric relationship with each other). The bottom plate 3c, the side plates 3d, 3d and the drain 3
e and 3e are integrally formed by extrusion molding, and extend linearly in the longitudinal direction which is the extrusion direction. The bottom plate 3c, the side plates 3d, 3d and the drain 3
e, 3e, the accommodation space S in which the refrigerant pipes 2, 2 are accommodated
1 are formed, and both ends 3d, 3d tip 3
Between f and 3f is an opening K1 for inserting the refrigerant pipes 2 and 2 into the housing space S1. The bottom plate 3c is provided with a pair of ridges 3g, 3g that are bent in a U-shaped cross section so as to protrude inward and are continuous in the longitudinal direction. At the appropriate positions in the longitudinal direction, mounting holes 3h, 3h for mounting the base 3a to the outer wall surface 1 with mounting tools such as screws are formed in the protruding ridges 3g, 3g. Further, each of the side plate portions 3d, 3d curves inward toward the front end, and its front end portions 3f, 3d
At f, it is curved until it extends toward the bottom plate 3c. Furthermore, each side plate part 3d, 3d
At its base end, engaging recesses 3i, 3i opening outward are provided.
They are provided continuously in the longitudinal direction.

On the other hand, the lid 3b is connected to the opening K1 of the base 3a.
And it is formed in a substantially U-shaped cross section so as to cover the side plates 3d, 3d. Engagement projections 3j, 3j are provided at both ends of the lid 3b so as to be folded back toward the inside in a continuous manner in the longitudinal direction. 3j and the base 3a
By engaging the engaging recesses 3i, 3i with each other, the cover 3b is fixed to the base 3a so as to be fitted thereto. Further, the first protective cover 3 in which the base 3a and the lid 3b are fitted and integrated as described above has a symmetric shape with respect to a plane extending in the longitudinal direction of the protective cover 3 and orthogonal to the outer wall surface 1. In FIG. 1, even if the upper and lower ends which are both ends on the longitudinal direction are inverted, they have the same shape as before the inversion.

The second protective cover 4 is made of, for example, a hard synthetic resin material, has the same structure and the same shape as the first protective cover 3, and is composed of a base 4a and a lid 4b. Further, the base 4a includes a bottom plate 4c, a side plate 4d,
4d and drain portions 4e and 4e through which water from the indoor unit of the air conditioner passes.

As shown in FIGS. 1 and 3, the attached protective cover 5 includes a base 5a and a lid 5b fitted to the base 5a. 5b is obtained, for example, by resin molding from a hard synthetic resin material. The base 5a includes a bottom plate portion 5c that contacts the outer wall surface 1, drain connection pipes 5d and 5d through which water from an indoor unit of the air conditioner passes, and first ribs 5e and 5e. The bottom plate portion 5 c is narrow (in FIG. 1, the dimension in the vertical direction is short) and extends left and right.
f and 5f are curved in an arc shape on the side opposite to the outer wall surface 1 side. The drain connection pipes 5d and 5d extend slightly above and below the bottom plate portion 5c so that the bottom plate portion 5c
Are positioned so as to overlap both ends 5f, 5f from inside. The first ribs 5e, 5e are formed vertically above and below the bottom plate 5c and the drain connection pipe 5d, and the upper surface of the upper rib 5e is flush with the upper end surface of the bottom plate 5c. Similarly, the lower surface of the lower rib 5e is flush with the lower end surface of the bottom plate 5c.

On the other hand, the lid 5b comprises a cover 5g and second ribs 5h, 5h. The covering portion 5g is wide (see FIG. 1).
, The length in the vertical direction is long), and extends so as to have a substantially U-shaped cross section, and its both ends 5i, 5i overlap with both ends 5f, 5f of the bottom plate portion 5c from the outside. It is curved in an arc shape inward so as to engage with both ends 5f, 5f. Then, the second ribs 5h, 5h
Are formed side by side so as to protrude inward from near each end 5i of the covering portion 5g, and each end 5i of the covering portion 5g is related to each end 5f of the bottom plate portion 5c. When combined
The second ribs 5h, 5h abut on the end face 5j of the bottom plate 5c and the drain connection pipe 5d. In this manner, both ends 5i, 5i of the cover 5g engage with both ends 5f, 5f of the bottom plate 5c, and the bottom plate 5
By contacting the second ribs 5h, 5h with the end faces 5j, 5j and the drain connection pipes 5d, 5d of FIG. 3c, the lid 5b is fixed to the base 5a so as to be fitted thereto. ing. Further, in this way, the base space 5a and the lid 5b allow the housing space S in which the refrigerant pipes 2 and 2 are housed.
3 are formed. At this time, the second rib 5
h, 5h, the upper surface of the upper rib 5h arranged vertically,
Similarly, the lower surface of the lower rib 5h is flush with the lower end surface of the bottom plate 5c. In this manner, the attached protective cover 5 includes the upper end surface of the bottom plate portion 5c and the upper ribs 5e, 5e, 5e.
The upper surfaces of h and 5h are upper contact surfaces 5k with which the lower end surface of the first protective cover 3 contacts. Similarly, the lower end surface of the bottom plate portion 5c and the lower ribs 5e, 5e, 5h, 5h
Is a lower contact surface 5m with which the upper end surface of the second protective cover 4 contacts.

FIGS. 4 and 5 are a longitudinal sectional view and a transverse sectional view, respectively, of a connecting portion between the first protective cover 3 and the second protective cover 4 in the protective cover device 8. here,
The lower end surface of the first protective cover 3 abuts against the upper contact surface 5k of the attached protective cover 5, and the upper end surface of the second protective cover 4 contacts the lower contact surface 5m of the attached protective cover 5. Matched. At this time, the lid 5 of the attached protective cover 5
b covers the lower part of the first protective cover 3, and the lower part of the lid 5 b covers the upper part of the second protective cover 4. The second protective cover 4 is connected to the second protective cover 4 via an attached protective cover 5. At the same time, the upper portions of the drain connection pipes 5d, 5d of the attached protective cover 5 are inserted into the lower portions of the drain portions 3e, 3e of the first protective cover 3,
Connected to the drain portions 3e, 3e, the drain connection pipe 5
The lower portions of d and 5d are connected to the drain portions 4e and 4e of the second protective cover 4 so as to be inserted into the upper portions of the drain portions 4e and 4e as other drain elements. Drain portions 3e, 3e of the first protective cover 3
And the drain portions 4e, 4e of the second protective cover 4 are connected via drain connection pipes 5d, 5d.

The drain connection pipe 7 is formed in a cylindrical shape so that water from the indoor unit of the air conditioner passes therethrough, and includes a lower small diameter portion 7a and an upper large diameter portion 7b. . In the illustrated embodiment, the small-diameter portion 7a is connected to the drain portion 3e of the first protective cover 3 such that the small-diameter portion 7a is inserted into an upper portion of the drain portion 3e (right side in FIG. 1). And the large diameter portion 7
b is a tip 6a of a drain pipe 6 as another drain element
Is connected to the drain pipe 6 so as to fit from the outside.

Next, the operation and effect of the protective cover and the protective cover device for the refrigerant pipe for an air conditioner having the above-described configuration and the drain connecting pipe will be described. The first and second protective covers 3, 4 are provided with drain portions 3e, 3e, 4e, 4e.
Are provided integrally, there is no need to separately prepare drain tubes connected to the indoor unit of the air conditioner and housed in the first and second protective covers 3 and 4. Therefore, the operation of housing the drain tube in the first and second protective covers 3 and 4 can be omitted.

Further, in order to form a drain path which is a water path from the indoor unit of the air conditioner so as to be easily constructed, a pair of drain sections 3e, 3e, 4e which are located apart from each other are formed. Or 4e can be appropriately selected and used. Further, for example, in order to form respective drain paths through which water from the indoor units of the two air conditioners passes, a pair of drain sections 3e, 3e, 4
e and 4e can both be used as drain paths. In this way, the drain path serving as the water path from the indoor unit of the air conditioner can be appropriately set according to the situation.

Further, since the drain connection pipes 5d and 5d are provided integrally with the accessory protective cover 5, the accessory protective cover 5 is used as the first protective cover 3 and the second protective cover 4.
To the drain connection pipe 5 automatically at the same time.
d and 5d are drain portions 3e and 3e of the first protective cover 3, respectively.
And the drain portions 4e and 4e of the second protective cover 4.

Further, the first and second protective covers 3, 4
Since they have the same shape even if they are turned upside down, they can be used in either direction, so that they can be constructed without worrying about the up and down directions, and the construction work becomes easy.

Further, since the first protective cover 3, the second protective cover 4 and the attached protective cover 5 are made of a hard material, the drain portions 3e, 4e and the drain connecting pipe 5d are pushed by the refrigerant pipe 2. Is not easily crushed, and therefore does not prevent the passage of water from the indoor unit of the air conditioner.

Note that the present invention is not limited to the above-described embodiment, and various other modifications are possible. For example, the first protective cover 3 and the second protective cover 4
Even if the bases 3a, 4a and the lids 3b, 4b are not formed separately, as in the protective cover 11 shown in FIG.
The bases 11a, 11a that come into contact with the outer wall surface 1, the lid 11b that covers the refrigerant pipe, and the drains 11c, 11c through which water from the indoor unit of the air conditioner may be formed integrally and seamlessly. In the first protective cover 3 and the second protective cover 4, the drain portions 3e, 4e are connected to the bases 3a, 4a.
Even if they are not integrally formed with the bases 3a, 4a, the drains 3e, 4e formed separately from the bases 3a, 4a are fixed to the bases 3a, 4a by fitting or bonding, so that the drains 3e, 4a are formed.
e may be integrated with the bases 3a, 4a.

Further, the first and second protective covers 3, 4
Are refrigerant pipes 2, 2 arranged along the outer wall 1 of the building
May not be housed and protected, but may be housed and protected the refrigerant pipes 2 and 2 arranged along the inner wall surface of the building. The first and second protective covers 3 and 4 have not only the refrigerant tubes 2 and 2 but also the refrigerant tubes 2 and 2.
It may be accommodated together with the wire 2 and the like. Also, the first
And the second protective cover 3, 4,
e and 4e need not be a pair (two) but may be one,
Alternatively, the number may be three or more.

The protective cover device 8 does not have to be composed of the first protective cover 3 and the attached protective cover 5, but may be composed of the second protective cover 4 and the attached protective cover 5. Alternatively, it may be composed of the first and second protective covers 3 and 4 and the attached protective cover 5.

The attached protective cover 5 is not connected to both the first protective cover 3 and the second protective cover 4, but is connected to only one of them. It may be located at the terminal of the cover to be protected. Further, in the attached protective cover 5, even if the base 5a and the lid 5b are not formed separately, they may be integrally molded with resin. Also, in the attached protective cover 5, the drain connection pipes 5d, 5d may be separate and fixed and integrated without being formed integrally with the base 5a. They may be separated without being fixed. Further, the drain connection pipe 7 does not need to connect the drain section 3e of the first protective cover 3 and the drain pipe 6, but may include the drain section 3e and another drain element (a drain section of another protective cover, another drain pipe, or the like). ) May be connected.

[0028]

As is apparent from the above description, the protective cover and the protective cover device for the refrigerant pipe for an air conditioner according to the present invention and the drain connecting pipe attached to the protective cover have the following features. effective.

According to the protective cover for a refrigerant pipe for an air conditioner according to the first aspect, it is not necessary to separately prepare a drain tube accommodated in the protective cover. Can be eliminated.

According to the second aspect of the present invention, one of the plurality of drain portions is appropriately selected and used, or two or more of the plurality of drain portions are used. Or the like, it is possible to appropriately set a drain route that is a water route from the indoor unit of the air conditioner according to the situation.

According to the third aspect of the present invention, there is no need to separately prepare a drain tube accommodated in the protective cover. Therefore, the drain tube is not required to be attached to the protective cover. The accommodation work can be made unnecessary. In addition, since the drain connection pipe connected to the drain portion is prepared in the attached protective cover, it is not necessary to separately prepare a drain tube housed in the attached protective cover.

According to the protective cover device for a refrigerant pipe for an air conditioner according to the present invention, when the attached protective cover is connected to the protective cover, the drain connecting pipe is automatically connected to the drain portion of the protective cover. Can be connected.

According to the drain connecting pipe described in claim 5, in addition to the effect of the protective cover described in claim 1 or 2, the drain connecting pipe allows, for example, the drain portion of the protective cover and Other drain elements (a drain portion of another protective cover, other drain pipes, etc.) can be connected.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment of a protective cover and a protective cover device for a refrigerant pipe for an air conditioner and a drain connecting pipe according to the present invention.

FIG. 2 is a plan view of a first protective cover.

FIG. 3 is a plan view of the attached protective cover.

FIG. 4 is a vertical sectional view of the protective cover device.

FIG. 5 is a sectional view taken along line AA in FIG.

FIG. 6 is a plan view of a protective cover and a protective cover device for a refrigerant pipe for an air conditioner according to the present invention, and a drain connection pipe according to another embodiment of the present invention.

FIG. 7 is a plan view of a conventional protective cover.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Outer wall surface (wall surface) 2 Refrigerant tube for air conditioner 3 First protective cover (protective cover) 3e Drain part 4 Second protective cover (protective cover) 4e Drain part 5 Attached protective cover 5d Drain connecting pipe 7 Drain connecting pipe 8 Protective cover device

Claims (5)

[Claims] 1. A protection cover for accommodating and protecting a refrigerant pipe for an air conditioner arranged along a wall surface of a building, wherein the protection cover integrally includes a drain portion through which water from an indoor unit of the air conditioner passes. A protective cover for a refrigerant pipe for an air conditioner. 2. The protective cover according to claim 1, wherein:
A plurality of the drain portions are formed so as to be separated from each other, and a protective cover for a refrigerant pipe for an air conditioner is provided. 3. A protective cover for accommodating and protecting a refrigerant pipe for an air conditioner disposed along a wall of a building, and an attached protective cover connected to the protective cover and accommodating and protecting the refrigerant pipe. The protection cover integrally includes a drain portion through which water from the indoor unit of the air conditioner passes, and the attached protection cover is connected to the drain portion and a drain connection through which water from the indoor unit passes. A protective cover device for a refrigerant pipe for an air conditioner, comprising a pipe. 4. The protective cover device according to claim 3, wherein the drain connection pipe is provided integrally with the attached protective cover. 5. A drain connecting pipe attached to the protective cover according to claim 1 or 2, wherein the drain connecting pipe is connected to a drain portion of the protective cover, and water from the indoor unit passes therethrough. Drain connection pipe.