JPH11287513A - Air filter support device of wall-recessed air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the man-hour and to simplify the mounting installation by making an air filter support device light-weighted and reducing the kinds of constituent members. SOLUTION: This air filter support device 20 is composed of a left end portion support member 21 molded by resin which supports the leftmost end portions of a plurality of air filters 11 arranged in parallel, a right end portion support member 22 molded by resin which supports the rightmost end portions of air filters 11, and a neighboring end portion supporting member 22 which supports neighboring end portions of the air filters 11 disposed in parallel by combining same members as the left end portion support member 21 and the right end portion support member 22 with each other. Due to such a construction, the kinds of constituent members can be reduced and the air filter device can be made light-weighted thus enabling the reduction of man-hour and a simplified and low-cost mounting installation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a resin molded 2
The present invention relates to an air filter support device of a wall-mounted type air conditioner in which an air filter is supported by various kinds of support members.

[0002]

2. Description of the Related Art Generally, an air conditioner comprises an outdoor unit having a compressor and an outdoor heat exchanger, and an indoor unit having an indoor heat exchanger for circulating a refrigerant from the outdoor unit. .

[0003] In the case of an air conditioner in which an indoor unit is embedded in a wall, an intake port for taking in indoor air is provided in the front of the indoor unit body, and an indoor heat exchanger is arranged so as to face the intake port. doing.

[0004] The housing of the indoor unit main body is provided in an opening formed of a sheet metal or the like and formed in a wall, and the entire opening is closed by a front panel.

[0005] The front panel is formed separately from the indoor unit main body, and has an intake port and a discharge port at positions corresponding to the intake port and the discharge port of the indoor unit main body, respectively.

The front panel is made of resin or wood.
The colors and patterns are applied so that the appearance can be harmonized with the walls.

[0007] The indoor air taken into the indoor unit exchanges heat with the indoor heat exchanger and is blown back into the room, thereby performing air conditioning in the indoor room.

At this time, if dust and the like contained in the sucked air adhere to the indoor heat exchanger, the efficiency of heat exchange between the air and the refrigerant is reduced, so that relatively large dust is removed to prevent this. A pre-filter is provided on the windward side of the indoor heat exchanger.

Further, a cleaning filter having a charging filter and a deodorizing filter is provided for the purpose of purifying the air by removing small dust and odor in the air.

[0010] The air filters such as the pre-filter and the cleaning filter are generally formed to be approximately half the width of the indoor heat exchanger in order to facilitate attachment and detachment. Two are installed side by side.

The side end of each air filter is supported by an air filter supporting device composed of a plurality of supporting members and is fixed to a housing of the indoor unit.

[0012]

However, in the case of an air conditioner with a recessed wall, since the housing itself is usually made of metal, the supporting member is also made of metal and is screwed to the housing. Installed. For this reason, there has been a problem that the material cost is increased and the installation work is complicated.

In order to support the two air filters as described above, the supporting member is provided at the right end of the air inlet of the indoor unit.
At least three types of support members are required because they are arranged at the center and the left end, and accordingly, three types of dies for forming the support members are also required.

[0014] Therefore, at least three molding steps must be performed, which leads to an increase in man-hours and an increase in cost. In addition, since three types of support members must be identified and stored and managed, There is a problem that inventory management is troublesome.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an air filter supporting apparatus for a wall-mounted air conditioner which uses a low-cost material for a supporting member, reduces man-hours, and facilitates installation work.

[0016]

Means for Solving the Problems In order to solve the above-mentioned problems, the invention according to claim 1 comprises an indoor heat exchanger for exchanging heat between a sucked indoor air and a refrigerant, and a widthwise direction of the indoor heat exchanger. An air filter supporting device for supporting an air filter in a wall-mounted air conditioner having a plurality of air filters arranged in parallel, the air filter supporting device supporting the rightmost end of the air filters arranged in parallel. Combination of a resin-molded right end support member, a resin-molded left end support member that supports the leftmost end of a plurality of juxtaposed air filters, and a right end support member and the same member as the left end support member And an adjacent end support member for supporting the adjacent end of the air filter arranged in parallel. Thereby, the number of types of the support members is reduced, and the cost of the support members can be reduced.

According to a second aspect of the present invention, the right end support member and the left end support member each have an engagement groove and an engagement piece, and the engagement side of one support member and the engagement side of the other support member. The grooves are engaged with each other to form adjacent end support members. Thereby, the number of types of the support members is reduced, and the cost of the support members can be reduced.

According to a third aspect of the present invention, the right end support member and the left end support member are provided at a tip end of the filter guide as a guide for inserting the air filter. Has a suppressing portion that suppresses the air filter by an elastic force generated when the air filter abuts and elastically deforms, so that the air filter can be easily prevented from falling off by utilizing the characteristics of each support member. Features.

According to a fourth aspect of the present invention, there is provided an air inlet provided on a front surface of a main body casing, an indoor heat exchanger for exchanging heat between indoor air sucked from the air inlet and a refrigerant, and an indoor heat exchanger. An air filter supporting device for supporting an air filter in a wall-mounted type air conditioner having an air filter arranged on the windward side, wherein the air filter supporting device is a resin molded member and is a right end of the air filter. A right end support member for supporting the air filter, and a left end support member which is a resin molded member and supports a left end of the air filter. The right end support member is provided at an upper portion of the housing and a lower end of the air inlet. A housing engaging portion to be engaged, an air filter supporting portion formed to protrude to the left and hold the air filter at a mounting position, and formed to protrude to the right to engage with the left end supporting portion. And a coupling portion, the left end portion support member,
A housing engaging portion which is engaged with an upper portion of the housing and a lower end of the air inlet;
An air filter supporting portion formed to protrude to the right and hold the air filter at a mounting position; and an engaging portion formed to protrude to the left and engage with the left end supporting portion. The number of types is reduced, and the cost of the supporting member is reduced.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of an in-wall type air conditioner to which an air filter supporting device according to the present embodiment is applied, when a front panel of an indoor unit is removed, and FIG. 2 is a cross-sectional view taken along the line AA in FIG. FIG.

The indoor unit 10 has an air inlet 19 for sucking indoor air, an air filter 11 provided in the vicinity of the air inlet 19, and a housing 1 of the indoor unit 10.
7, an air filter support device 20, a discharge port 18 for discharging air-conditioned air into the room, an indoor heat exchanger 14 for exchanging heat between the refrigerant and the sucked air, and an intake port 1.
A cross-flow fan 15 and the like blow air into the room from a discharge port 18 after inhaling room air through the indoor heat exchanger 14 via the air inlet 9.

The air filter 11 includes a pre-filter 12 for removing relatively large dust and the like contained in the intake air.
A cleaning filter 13 is disposed downstream of the pre-filter 12 and removes relatively small dust and odor to purify the air.

The cleaning filter 13 is formed such that a deodorizing filter and a charging filter are overlapped and bonded, and sandwiched between frames. The deodorizing filter is made of reticulated urethane foam with granular activated carbon attached. The charging filter is made of a honeycomb structure made of charged polypropylene nonwoven fabric, and is made by bonding a flat plate and a corrugated plate together. It is formed by stacking many small holes on the front and back surfaces.

Then, fine dust and dust are removed by the charging filter, and the smell in the air is removed by the deodorizing filter, so that the indoor air is purified.

Pre-filter 12 and cleaning filter 13
Are formed in a size that is easy to handle when they are attached to and detached from the indoor unit. For example, they are formed to be approximately half the width of the indoor heat exchanger 14, and two of them are arranged side by side in the width direction. .

In the present invention, since at least two or more pre-filters 12 and the like need to be provided in parallel with respect to the width direction of the indoor heat exchanger 14, the pre-filter 12 and the like are substantially aligned with the width dimension of the indoor heat exchanger 14. It is added that it is not a requirement to be formed in half the size.

The air filter support device 20 comprises a left end support member 21, a right end support member 22, and an adjacent end support member 23. The adjacent end support member 23 is composed of the left end support member 21 and the right end support member 22. And the same members are combined.

Then, the left end of the two air filters 11 arranged side by side is supported by a left end support member 21.
The right end is supported by a right end support member 22, and the adjacent end of each adjacent air filter 11 is supported by an adjacent end support member.

Left end support member 21 and right end support member 22
3 and 4, rib-shaped filter guides 30 to 35 are erected in different directions on a substrate 25 having substantially the same shape as shown in FIGS.

This substrate 25 is used for the intake port 19 of the indoor unit 10.
A fixing portion 25a having a length from the upper end to the lower end of the
One side of the upper part of the fixing part 25a is formed of a filter supporting part 25b that protrudes in a triangular shape.

That is, the left end support member 21 shown in FIG.
Filter guides 30 to 35 protrude on the right side of the drawing, and the right end support member 22 shown in FIG. 4 has filter guides 30 to 35 protruding on the left side of the drawing.

As described above, the left end support member 21 and the right end support member 22 are formed of resin, and the adjacent end support member 23 is a combination of the left end support member 21 and the right end support member 22 with the same members. Since it is formed by weight, it is possible to reduce the weight and cost,
Since there are two types of molds for manufacturing the molds 1 and 22, it is possible to reduce the number of finished molds and the associated man-hours.

In the following description, the right end supporting member 2
2 and the left end support member 21 have substantially the same shape, and therefore the left end support member 21 shown in FIG. 3 will be described as an example.

The filter guides 30 to 35 are the cleaning filter guides 30, 31, 31 for holding the cleaning filter 13.
A pre-filter guide 32 for holding the pre-filter 12,
The main configuration is 33.

The space between the cleaning filter guide 30 and the cleaning filter guide 31 is the cleaning filter insertion groove 3.
8, and a pre-filter insertion groove 39 is formed between the pre-filter guide 32 and the pre-filter guide 33.

At the tip end of the cleaning filter guide 30 (where the cleaning filter 13 is inserted), a holding portion 34 is provided, and at the periphery of the substrate 25 including the holding portion 34, a notch 26 is provided. The suppressing portion 34 can be elastically deformed parallel to the surface of the substrate 25 (in the thickness direction of the inserted cleaning filter 13).

An insertion position regulating guide 36 is provided at the distal end of the cleaning filter guide 31 to regulate the insertion position when the cleaning filter 13 is inserted.

In the vicinity of each vertex of the substrate 25, each support member 2
A housing engaging portion 27 (27a, 27b, 27c) for attaching 1 to 23 to the housing 17 of the indoor unit 10 is formed. Of course, the housing 17 is provided with the housing engaged portions 16 (16a, 16b, 16c) that engage with the housing engaging portions 27.

An engagement piece 28 is formed at a substantially intermediate position at one end (left end in FIG. 3B) of the substrate 25 in a direction opposite to the direction in which the filter guides 30 to 36 are erected. An engagement groove 29 is formed adjacent to the engagement piece 28.

Next, the detailed structure and operation of the air filter support device 20 will be described while describing the method of mounting the air filter support device 20 having the above-described configuration and the procedure for mounting the air filter 11 on the air filter support device 20. explain.

First, the right end support member 22 and the left end support member 21 are engaged to form an adjacent end support member 23 as shown in FIG. The engagement is performed by aligning the back surfaces (surfaces on which the guides 30 are not formed) of the right end support member 22 and the left end support member 21 with each other, and engaging the respective engagement grooves 29
And the engaging piece 28 is addressed to each other, and one of the supporting members is rotated.

The housing engaging portions 27b of the right side support member 22, the left end support member 21, and the adjacent end support member 23
Is engaged with the housing engaged portion 16b, and the housing engaging portion 27
Each of the support members 21 to 23 is rotated about b to engage the other housing engaging portions 27a and 27c with the housing engaged portions 16a and 16c (see FIG. 6). Thereby, the air filter support device 20 is attached to the housing.

In the procedure for installing the air filter of the air filter supporting device 20 thus mounted, the cleaning filter 13 is first inserted into the cleaning filter groove 38. The cleaning filter 13 is inserted until the cleaning filter 13 contacts the insertion position regulating guide 30.

At this time, since the cleaning filter 13 is inserted upward (in FIG. 3, in the upward direction), there is a possibility that the cleaning filter 13 may fall off simply by being inserted. In order to prevent such falling off, a suppressing portion 34 is formed on the tip side of the cleaning filter guide 30.

The holding portion 34 has a cleaning filter groove 38.
Is formed in such a manner that the cleaning filter 13 inserted therein comes into contact with the projection 35. At this time, a notch 26 is provided in the peripheral portion of the substrate 25 including the holding portion 34 so as to be a free end.
The holding section 34 can be elastically deformed, and the cleaning filter 13 is held down by the elastic force generated thereby.

To mount the pre-filter 12, the lower end of the pre-filter 12 is brought into contact with the pre-filter support portion 37, and the upper end thereof is inserted into the pre-filter insertion groove 39.
Thus, the pre-filter 12 is mounted while preventing the pre-filter 12 from falling off.

[0047]

As described above, according to the first aspect of the present invention, the rightmost end of the air filters arranged side by side using two types of resin-formed right end support members and left end support members. And the leftmost end, and the right end support member and the left end support member are combined with the same member to form an adjacent end support member, and the air filter adjacent to the air filter juxtaposed by the adjacent end support member is formed. Since the ends are supported, the types of support members that make up the air filter support device can be reduced, and the number of molds used in manufacturing can be reduced, inventory management can be simplified, and costs can be reduced. Become.

Further, since each support member is formed of resin, the weight can be reduced and the cost can be reduced.

According to the second aspect of the present invention, since the engaging piece and the engaging groove are provided so as to mutually engage with the right end supporting member and the left end supporting member, the adjacent end supporting member can be easily formed by these. And it is easy to handle.

According to the third aspect of the present invention, since the right end support member and the left end support member are provided with the holding portions for holding down the air filter, the air filters can be easily dropped off by utilizing the elastic force of the holding portions. Can be prevented.

According to the fourth aspect of the present invention, the right end supporting member is constituted by the casing engaging portion, the air filter supporting portion formed on the left side, and the engaging portion formed on the right side. Is composed of the housing engaging portion, the air filter supporting portion formed on the right side, and the engaging portion formed on the left side, so that the types of the supporting members are reduced and the cost of the supporting members can be reduced. become.

[Brief description of the drawings]

FIG. 1 is an exploded front view of an in-wall type air conditioner to which an air filter supporting device according to the present invention is applied.

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

FIG. 3 is a configuration diagram of a left end support member, (a) is a front view,
(B) is a side view.

FIG. 4 is a configuration diagram of a right end support member, (a) is a front view,
(B) is a side view.

FIG. 5 is a front view of an adjacent end support member.

FIG. 6 is a diagram showing a method of attaching each support member.

[Explanation of symbols]

 Reference Signs List 10 indoor unit 11 air filter 12 pre-filter 13 cleaning filter 14 indoor heat exchanger 15 cross flow fan 19 intake port 20 air filter support device 21 left end support member 22 right end support member 23 adjacent end support member 25 substrate 25a fixing portion 25b Filter support part 26 Notch 27 (27a, 27b, 27c) Housing engaging part 28 Engaging piece 29 Engaging groove 30, 31 Cleaning filter guide 32, 33 Pre-filter guide 34 Suppressing part 35 Convex part 36 Insertion position Regulation guide 37 Pre-filter support 38 Clean filter insertion groove 39 Pre-filter insertion groove

Claims (4)

[Claims] 1. An embedded wall air conditioner comprising: an indoor heat exchanger for exchanging heat between drawn indoor air and a refrigerant; and a plurality of air filters arranged side by side in the width direction of the indoor heat exchanger. In the air filter supporting device for supporting the air filter, the air filter supporting device is connected to a plurality of resin-molded right end support members that support the rightmost end of the air filter. A resin-molded left end support member for supporting the left end of the air filter, and the right end support member and the same member as the left end support member are combined to form an adjacent side end of the air filter. And an adjacent end supporting member for supporting the air filter. 2. The right end support member and the left end support member each have an engagement groove and an engagement piece, and the engagement side of one support member and the engagement groove of the other support member are mutually connected. The air filter supporting device for a wall-embedded air conditioner according to claim 1, wherein the adjacent end supporting member is formed by being engaged. 3. The filter according to claim 1, wherein the right end support member and the left end support member are provided at a distal end of the filter guide for guiding the air filter when the air filter is inserted. The air filter supporting device for a wall-embedded air conditioner according to claim 1, further comprising a suppressing portion that suppresses the air filter with an elastic force generated when the air filter is elastically deformed. 4. An air inlet provided on the front surface of the main body housing, an indoor heat exchanger for exchanging heat between indoor air sucked from the air inlet and a refrigerant, and a windward side of the indoor heat exchanger. An air filter supporting device for supporting the air filter in a wall-mounted type air conditioner including an air filter, the air filter supporting device is a resin molded member and supports a right end of the air filter. A right end support member and a left end support member, which is a resin molded member and supports a left end of the air filter, are provided at an upper portion of the housing and at a lower end of the air intake port. A housing engaging portion to be engaged, an air filter supporting portion formed to protrude to the left and holding the air filter at a mounting position, and the left end supporting portion formed to protrude to the right. The left end support member has an engagement portion engaged with an upper portion of the housing and a lower end of the intake port. An air filter for an embedded wall air conditioner, comprising: an air filter supporting portion for holding a filter at a mounting position; and an engaging portion formed to protrude to the left and engage with the left end supporting portion. Support device.