JPH1194289A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate gripping of a gripper of a filter case while preventing the tip of a finger from coming into contact with a heat exchanger upon demounting the filter case. SOLUTION: An indoor machine 1 of an air conditioner includes a filter provided, adjoining to, a front surface of an indoor heat exchanger 11a, and a filter case 7 mounted removably on a front surface side of the filter holding frame 5. A gripper part 34 is provided on a lower portion of the filter case, which gripper part forms an opening 34a penetrating on the inside thereof toward the side of the heat exchanger 11a. On the filter holding frame 5 a barrier part 50 is provided, which barrier part is interposed between the gripper part 34 of the filter case 7 and the heat exchanger in the state where the filter case is mounted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to a filter holding frame provided adjacent to a front surface of an indoor heat exchanger, and is detachably attached to the front surface of the filter holding frame. The present invention relates to an air conditioner including a filter case, and a handle for attachment and detachment provided on the filter case.

[0002]

2. Description of the Related Art A conventional air conditioner indoor unit shown in FIG. 1 has a filter case 107 which is removably mounted adjacent to the front side of an indoor heat exchanger 110. The filter case 107 has a built-in discharge section 170 and a dust collection section 172 of an electric dust collection type air cleaner. Then, the room air sucked from the suction grill 102 first passes through the pre-filter 130, and then passes through the filter case 107.
When passing through the inside, dust and the like contained in the room air are electrically collected.

[0003] In such an air conditioner, it is necessary to remove the filter case 107 and wash the whole case at appropriate intervals. Therefore, filter case 1
07 is usually fixedly held on a filter holding frame (not shown), and is configured to be detached from this holding frame during cleaning. In addition, as shown in FIGS. 12 and 13, a handle portion 134 is provided at a lower portion of the filter case 107 to be gripped by hand at the time of attachment and detachment.

As shown in FIGS. 13 and 14, the handle portion 134 includes a frame-shaped handle body 135 and the handle body 1.
35, 136, 1 provided on the heat exchanger 110 side.
37. These barriers 136, 137
Is composed of a plurality of bars for preventing the fingertip from being damaged by the fins of the heat exchanger 110 when the handle body 135 is grasped by hand. An outer barrier formed outside the handle body 135 Portion 136 and an inner barrier portion 137 also formed inside.

[0005]

The above-described conventional air conditioners have the following problems. First, as shown in FIG. 14, the handle portion 134 is
The depth of the portion that can be gripped by the hand 5 is smaller than the overall depth H by the thickness h of the barrier portions 136 and 137. Therefore, when removing the filter case 107, it is difficult to grasp the handle main body 135 by hand.

Further, since the inner barrier portion 137 is provided inside the handle body 135, the handle body 135 cannot be completely grasped by hand. For this reason, there is a problem that it is difficult to carry the filter case 107 after removal, and it is difficult to perform an operation such as immersing the filter case 107 in water and shaking the filter case 107 even during the above-mentioned washing with washing.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an air conditioner in which a fingertip does not touch a heat exchanger when attaching and detaching a filter case, and a handle portion of the filter case is easily grasped. The purpose is to provide.

[0008]

A first means comprises an indoor heat exchanger, a filter holding frame provided adjacent to a front surface of the heat exchanger, and a detachable front surface of the filter holding frame. An air conditioner comprising: a filter case that is attached and stores a filter therein; a lower portion of the filter case is provided with a handle portion having an opening that penetrates the inside thereof in the front-rear direction, and the filter holding frame includes: An air conditioner characterized in that a barrier portion interposed between a handle of the filter case and the heat exchanger is provided in a state where the filter case is mounted.

According to the first means, since the inside of the handle provided in the filter case is an opening penetrating in the front-rear direction, the handle can be completely grasped by hand. In addition, since the filter holding frame is provided with a barrier portion interposed between the handle portion of the filter case and the heat exchanger in a state where the filter case is mounted, the barrier portion allows the fingertip of the hand when the filter case is attached or detached. Can avoid touching the heat exchanger. In this case, the barrier portion is provided not in the handle portion but in the filter holding frame, so that the depth of the handle portion can be sufficiently large, and
A finger can be inserted deeper into the handle through the opening.

According to a second aspect, in the first aspect, the barrier portion has a substantially flat shape.

According to a third aspect, in the first aspect, the barrier portion is constituted by a lattice forming a large number of openings.

According to a fourth aspect, in the first aspect, the barrier portion is constituted by a plurality of bars.

According to the third or fourth means, in the first means, the room air can flow to the heat exchanger through the barrier portion, which is advantageous in securing the air conditioning capacity.

A fifth means is the third means, wherein each opening of the lattice has a size such that a fingertip of a person does not contact the heat exchanger.

According to a sixth aspect, in the fourth aspect, each opening formed between the plurality of bars has a size such that a fingertip of a person does not contact the heat exchanger. .

According to the fifth or sixth means, in the third or fourth means, the flow of room air to the heat exchanger at the barrier portion is ensured while the contact of the fingertip with the heat exchanger is maintained. Can be reliably prevented.

According to a seventh aspect, in the first aspect, the barrier portion is formed integrally with the filter holding frame.

According to an eighth aspect, in the first aspect, the filter accommodated in the filter case constitutes a dust collecting portion of an electric dust collecting type air cleaner.

According to a ninth aspect, in the ninth aspect, the filter case further houses a discharge portion of an electrostatic precipitating air purifier.

According to a tenth means, in any one of the first to ninth means, the handle portion of the filter case has a wavy uneven portion formed inside the handle portion.

According to the tenth means, the first to ninth means
In any one of the above means, the operator can bring the finger of the hand into close contact with the corrugated uneven portion inside the handle portion, and securely grip the handle portion.

[0022]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 11 are views showing an embodiment of an air conditioner according to the present invention.

First, FIG. 7 shows that the suction grill 2 on the front side 1a of the indoor unit 1 of the air conditioner is opened, the pre-filter 3 is removed, and the filter case 5 is removed from the filter holding frame 5 attached to the main unit of the indoor unit 1. 7 shows a state where the filter 7 and the deodorizing filter 9 are removed.

FIGS. 5 and 6 are cross-sectional views showing a schematic configuration of the indoor unit 1 of the air conditioner. FIG. 5 shows a state in which the suction grill 2 is closed, and FIG. 6 shows a state in which the suction grill 2 is opened.

In FIG. 5, inside the indoor unit 1, a dust collecting filter section 10 is provided at an upper front portion, and behind the dust collecting filter section 10, indoor heat exchangers 11a, 11b, 1 are provided.
1c is provided, and a fan 12 is provided at the center. Drains 13 and 13a are provided below the indoor heat exchangers 11a and 11b, and an outlet 14 having a movable louver is provided below the drains 13. The entire body of the indoor unit 1 is covered with a front panel 30, and an upper grill 2a is provided on the upper surface of the front panel 30.

The indoor air is sucked into the indoor unit 1 through the suction grill 2 and the upper grill 2a by the rotation of the fan 12. The sucked air is firstly preliminarily removed of large dust and the like by the pre-filter 3, further dust is removed by the dust collecting filter unit 10 and deodorized by the deodorizing filter 9, and the indoor heat exchangers 11 a, 11 b and 11 c are removed. Undergo heat exchange.

Refrigerant is supplied to the refrigerant pipes of the indoor heat exchangers 11a, 11b, 11c by an outdoor unit (not shown). The refrigerant circulates in the refrigerant pipe in a flow direction according to each of the cooling mode and the heating mode. The air that has undergone heat exchange in the indoor heat exchangers 11a, 11b, 11c is returned to the room through the outlet 14. Indoor heat exchanger 11a, 1
The moisture in the air condensed in 1b, 11c is drain 13,
It is led to 13a and removed outside the room.

Next, the dust collecting filter section 10 will be described in detail. The dust collection filter unit 10 includes a panel-shaped filter holding frame 5 attached to the main unit of the indoor unit 1 and a filter case 7 detachably attached to the filter holding frame 5. As shown in FIG. 1 or FIG. 7, a deodorizing filter 9 is detachably mounted on the filter holding frame 5 on the left side of the filter case 7.

The filter case 7 has a horizontally long rectangular shape as shown in FIG.
4 are provided. As shown in FIGS. 1 and 5, the inside of the handle portion 34 is an opening 34a penetrating in the front-rear direction, that is, toward the heat exchanger 11a when the filter case 7 is attached to the filter holding frame 5. ing. In addition, as shown in FIG.
The corrugated portion 36 is formed so that the finger of the hand is easily positioned when the hand is put. As shown in FIG. 5, the filter case 7 accommodates a discharge unit 70 and a dust collection unit (filter) 72 of the electrostatic precipitating air purifier therein.
The dust and the like passing through the pre-filter 3 are electrically collected.

As shown in FIG. 3, the filter holding frame 5
The indoor unit 1 is screwed at its end fixing portion 15 with screws.
It is screwed and attached to the front end plate of the indoor heat exchanger 11a in the main body. As shown in FIGS. 3 and 4, the outer peripheral frame portion 5 a of the filter holding frame 5 is provided with a grid portion 30 of the front panel 30 on the front side of the dust filter portion 10.
a covers the indoor unit 1 from the front side and is pressed toward the rear side (see the hatched portion in FIG. 3).

As a result, the filter holding frame 5 is fixed to the main body of the indoor unit 1 at the end fixing portion 15 and the outer frame 5a is covered with the front panel grid portion 30a, so that the lifting of the outer frame 5 is prevented. In addition to preventing vibration during operation, vibrations and the like during operation are prevented.

As shown in FIGS. 3 to 5, below the filter holding frame 5, a barrier portion 50 integrally formed with the filter holding frame 5 by synthetic resin is provided. As shown in FIGS. 1, 5 and 8, the barrier portion 50 is interposed between the handle portion 34 of the filter case 7 and the heat exchanger 11a when the filter case 7 is attached to the filter holding frame 5. It is supposed to be. In the front panel 30, the barrier 5 provided on the filter holding frame 5 is provided.
A notch is formed in a portion corresponding to 0.

As shown best in FIG. 8, the barrier portion 50 is preferably formed to have substantially the same thickness as the outer peripheral frame portion 5a of the filter holding frame 5. By doing so, the gap corresponding to the thickness of the filter holding frame 5 originally existing between the filter case 7 and the heat exchanger 11a can be effectively used, and the front and rear directions of each part at the position of the handle 34 of the filter case 7 can be used. This is because there is no need to affect the thickness dimension (see FIG. 5).

It is not surprising that the front panel 30 can be extended to the position of the barrier 50 instead of providing the barrier 50 in the filter holding frame 5. However, unlike the filter holding frame 5, the front panel 30 needs to be provided sufficiently separated from the heat exchanger 11a. This is because, as shown in FIG. 5, since the front panel 30 extends downward to the vicinity of the outlet 14, moisture condensed by cooling by the heat exchanger 11a is transmitted through the front panel 30 and the outlet 1
This is because it is necessary to prevent the liquid from flowing out of the line 4. Therefore, in the configuration in which the front panel 30 distant from the heat exchanger 11a is extended to the position of the barrier portion 50, the above-mentioned gap cannot be effectively used, and the opening 34a of the handle portion 34
The depth to which a finger can be put through becomes shallow.

Here, as shown in FIGS. 3 and 4, the barrier portion 50 has openings 54 formed between the plurality of bars 52 to secure the flow of indoor air to the heat exchanger 11a. It has the structure which was done. It should be noted that a large number of openings 5 as shown in FIG.
A barrier 50A constituted by a lattice forming 6 may be provided. In this case, the opening 54 or 56 of the barrier 50 or 50A is formed in such a size that the fingertip of a person does not contact the heat exchanger 11a.

Here, a substantially flat barrier 50B may be provided as shown in FIG. 10 (b), but from the viewpoint of ensuring the air conditioning performance of the air conditioner, the barriers 50, 50 are required.
It is preferable to provide a device having an opening such as A that can ensure the flow of indoor air to the heat exchanger 11a.

Next, the structure for attaching the filter case 7 to the filter holding frame 5 will be described in detail. As shown in FIGS. 1, 3, and 4, filter holding plates 20 are provided upright on both sides of the filter holding frame 5 in which the filter case 7 is mounted. On the other hand, as shown in FIG. 2, on both side surfaces of the filter case 7, a protruding engaging portion 31 and a guide protruding portion 32 located above the engaging portion 31 by a predetermined length are provided. . As shown in FIG. 8 or 9, the engaging portion 31 has a cylindrical shape, the guide projection 32 has a cylindrical cylindrical portion 32 a on the back side (upper side), and the front side has a plate-shaped plate-like portion. 32b.

As shown in FIG. 4, a locking portion 22 and a guide portion 24 are formed on the filter holding plate 20. The locking portion 22 has an opening 22a that opens toward the front side 1a of the indoor unit 1 and a locking groove 22b that extends from the opening 22a toward the rear side from the front side 1a of the indoor unit 1. I have.

A claw 22c is provided above the locking groove 22b, and a holding portion 22d is provided below the locking groove 22b. The filter holding frame 22 and the filter holding plate 20 are both made of synthetic resin, and the claws 22c have elasticity and are formed to bend slightly in the vertical direction when a force is applied.
On the other hand, the holding portion 22d is formed firmly so that it is hardly deformed. The engaging portion 31 of the filter case 7
As shown in FIG. 8, it is fitted through the opening 22a and is held between the claw 22c and the holding portion 22d at the upper end of the locking groove 22b.

Here, since the opening 22a of the locking portion 22 faces the front surface of the main unit of the indoor unit 1 with the suction grill 2 opened, the position can be easily visually recognized from the outside. Further, the guide unit 24 includes a front side 1 of the indoor unit 1 main body.
An opening 24a, which opens obliquely downward with respect to a and is located in the vicinity of the opening 22a, and a cut groove 24b extending obliquely rearward and upward from the opening 24a are formed. The rear end 24c of the cut groove 24b is formed in a semicircular shape, and as shown in FIG. 8, formed so that the front end of the cylindrical portion 32a of the guide projection 32 can contact the rear end 24c without a gap. I have.

Next, with reference to FIGS. 8 and 9, the attachment and detachment of the engagement portion 31 to and from the engagement portion 22 and the attachment and detachment of the guide projection 32 to and from the guide portion 24 will be described.

FIG. 8 shows a state in which the filter case 7 is attached to the filter holding frame 5. In FIG.
The cylindrical portion 32a of the guide projection 32 is inserted from the opening 24a, guided along the cut groove 24b, and abuts on the back end 24c. The plate-like portion 32b of the guide protrusion 32 is guided in the depth direction of the cut groove 24b while the end on the near side in the insertion direction contacts the upper surface forming the cut groove 24b. Cylindrical part 32
a is in contact with the rear end 24c,
Is pushed from the front side to the rear side, the cylindrical projection as the engaging portion 31 pushes the claw 22c upward to bend, and the kerf 2
Push out the entrance of 2b.

When the force is further applied, the projection 31 becomes
It gets over the tip of the claw 22c and fits inside the cut groove 22b. At this position, the protrusion 31 is fixed by being sandwiched between the upper portion by the base of the claw 22c and the lower portion by the holding portion 22d. That is, the engaging portion 31 is fitted into the locking portion 22, and at the same time, the contact of the end of the plate portion 32b with the upper surface of the cut groove 24b is released, and the positional relationship is parallel to the cut groove 24b.

FIG. 9 shows a procedure for removing the filter case 7 from the filter holding frame 5. In FIG. 9, first,
The filter case 7 and the filter holding frame 5 are in the state shown in FIG. First, the hand is applied to the corrugated uneven portion 34a of the handle portion 34, and the handle portion 34 is pulled in the direction C, that is, the direction toward the front of the front surface 1a of the outdoor unit 1 main body or obliquely upward.

At this time, the cylindrical portion 32a of the guide projection 32
Rotates while being in contact with the rear end 24c, and the guide projection 32
The plate-like portion 32b moves until it contacts the upper surface forming the cut groove 24b. At the same time, the cylindrical projection that is the engaging portion 31 pushes the claw 22c upward and bends, thereby expanding the entrance of the locking groove 22b, finally climbing over the tip of the claw 22c, and coming out of the locking groove 22b. The plate-like portion 32b moves toward the front from the front portion 1a and stops moving at the same time when the plate-like portion 32b comes into contact with the upper surface of the locking groove 24b.

Next, the grip portion 34 is pulled in the direction D, that is, in the downward direction or in the obliquely downward direction of the outdoor unit 1 body. The cylindrical portion 32a of the guide projection 32 is separated from the rear end 24c of the locking groove 24b, and the plate-like portion 32b of the guide projection 32 is guided downward while contacting the upper surface forming the locking groove 24b. The cylindrical portion 32a of the portion 32 exits the opening 24a, and the guide projection 32 is removed from the guide 24.

Next, the operation and effect of this embodiment having the above configuration will be described. According to the present embodiment,
Since the inside of the handle portion 34 provided in the filter case 7 is an opening 34a penetrating in the front-rear direction, the handle portion 34 can be completely grasped by hand. Further, since the filter holding frame 5 is provided with the barrier 50 interposed between the handle 34 of the filter case 7 and the heat exchanger 11a in a state where the filter case 7 is mounted, the filter 50 is provided by the barrier 50. The fingertip of the hand can be prevented from touching the heat exchanger when attaching / detaching the case 7.

In this case, since the barrier portion 50 is provided not on the handle portion 34 of the filter case 7 but on the filter holding frame 5, the depth of the handle portion 34 can be made sufficiently large. Further, compared with the case where the front panel 30 is extended to the position of the barrier portion 50, the finger can be inserted further into the back through the opening 34a of the handle portion 34 of the filter case 7.

For this reason, it is possible to easily grip the handle 34 of the filter case 7 and prevent the finger case from touching the heat exchanger 11a when attaching and detaching the filter case 7, thereby facilitating attachment and detachment of the filter case 7. it can. Further, since the grip portion 34 of the filter case 7 can be completely grasped by hand, the filter case 7 can be easily carried, and as shown in FIG. It becomes easy to perform operations such as immersing in water and shaking.

Further, since the handle 34 of the filter case 7 is formed with a corrugated uneven portion 34a, the operator can
The finger of the hand is brought into close contact with the corrugated uneven portion inside the handle portion, so that the handle portion can be securely grasped.

Further, the engaging portion 31 provided on the filter case 7 is pressed in a direction from the front side 1 a to the rear side of the indoor unit 1 to engage with the locking portion 22 formed on the filter holding frame 7. The filter case 7 is attached to the filter holding frame 5 because the engagement portion 31 is detached from the engagement portion 22 by being pulled from the rear side of the indoor unit 1 toward the front side 1a. On the other hand, attachment and detachment can be performed safely, reliably and easily.

A guide projection 32 is provided on the filter case 7, and a guide 24 is formed on the filter holding frame 5.
Since the guide projections 32 are configured to be guided by the guides 24 in a state where the engagement portions 31 are disengaged from the locking portions 22, the filter case 7 can be more securely and reliably moved with respect to the filter holding frame 5. It can be easily attached and detached.

An engagement groove 24a is formed in the guide portion 24, and an end of the guide projection 32 on the near side in the insertion direction is guided along the upper surface forming the engagement groove 24b. Therefore, the moving direction of the guide projection 32 in the locking groove 24b can be determined in a single direction, and the filter case 7 can be securely and easily attached to and detached from the filter holding frame 5. .

With the suction grill 2 opened, the locking portion 22
The opening 22a faces the front of the indoor unit 1 so that its position can be easily visually recognized from the outside, and the work of attaching and detaching the filter case 7 can be performed reliably without groping. it can.

When the cylindrical portion 32a of the guide projection 32 is in a position where it comes into contact with the rear end 24c of the locking groove 24b, the engaging portion 31 is at a position where it can be fitted into the opening 22a of the locking portion 22. Therefore, by waiting for the cylindrical portion 32a to come into contact with the rear end portion 24c, the engaging portion 31 can be easily fitted into the locking portion 22.

The outer peripheral frame portion 5a of the filter holding frame 5 is covered and pressed from the front side 1a of the indoor unit 1 main body to the rear side by the lattice portion 30a of the front panel 30 on the front side of the dust collecting filter section 10. Therefore, the filter holding frame 5 can be effectively prevented from being vibrated during operation simply by screwing the filter holding frame 5 at the end fixing portion 15.

In the above description, the locking portion 22
The example in which the opening 24a is formed in a concave shape by forming the opening portion 24a and the locking portion 31 is formed in a convex shape is shown, but the locking portion is formed in a convex shape, It may be formed.

[0058]

As described above, according to the present invention,
When the filter case is attached or detached, the fingertip of the hand does not touch the heat exchanger, and the handle portion of the filter case is easily grasped, so that the filter case can be easily attached or detached.
In addition, since the handle of the filter case can be completely grasped by hand, the filter case can be easily carried, and the operation of immersing the filter case in water and shaking the filter case can be easily performed even during the washing with round washing.

[Brief description of the drawings]

FIG. 1 is a front view showing an attached state of a filter case of an indoor unit (in a state in which a suction grill is opened and a pre-filter is removed) in an embodiment of an air conditioner according to the present invention.

FIG. 2 is a plan view showing a filter case of the indoor unit of the air conditioner shown in FIG.

FIG. 3 is a diagram showing a state where a filter case is removed in the indoor unit of the air conditioner shown in FIG. 1;

FIG. 4 is a partial perspective view of the state shown in FIG.

FIG. 5 is a cross-sectional view showing a state in which the suction grille is closed in the indoor unit of the air conditioner shown in FIG. 1;

FIG. 6 is a diagram showing a state in which the suction grill is opened in the indoor unit of the air conditioner shown in FIG. 1;

7 is a perspective view for explaining that an indoor panel is opened and an air cleaning filter is removed in the indoor unit of the air conditioner shown in FIG. 1;

FIG. 8 is a cross-sectional view of the filter case, the filter holding frame, the front panel, and the indoor heat exchanger in the filter holding plate portion of the filter holding frame in the indoor unit of the air conditioner shown in FIG.

FIG. 9 is a view similar to FIG. 8, showing a procedure for removing the filter case from the filter holding frame.

FIG. 10 is a view showing another embodiment of the barrier section in the filter holding frame of the air conditioner shown in FIG. 1;

FIG. 11 is a perspective view showing a state in which the filter case shown in FIG. 2 is washed by round washing.

FIG. 12 is a cross-sectional view showing the periphery of an air cleaning filter in a conventional air conditioner.

FIG. 13 is a perspective view showing a filter case of the air conditioner shown in FIG.

FIG. 14 is an enlarged view showing a handle portion of the filter case of FIG. 12;

[Explanation of symbols]

 Reference Signs List 1 indoor unit 1a front side of indoor unit 2 suction grille 3 pre-filter 5 filter holding frame 5a outer peripheral frame 7 filter case 10 dust collection filter unit 20 filter holding plate 22 locking unit 22a opening 24 guide groove 24a opening 24b Stop groove part 24c Claw 24d Retaining part 30 Front panel 30a Front panel lattice part 31 Engagement part 32 Guide projection part 34 Handle part 34a Opening 36 Wave-shaped uneven part 50, 50A, 50B Barrier part 52 Bar 52, 56 Opening

Claims (10)

[Claims] 1. An indoor heat exchanger, a filter holding frame provided adjacent to a front surface of the heat exchanger, and a filter case removably mounted on a front side of the filter holding frame and accommodating a filter therein. In the air conditioner comprising: a lower portion of the filter case, a handle portion having an opening that penetrates the inside of the filter case in the front-rear direction, and the filter in a state where the filter case is attached to the filter holding frame. An air conditioner having a barrier portion interposed between a handle portion of a case and the heat exchanger. 2. The air conditioner according to claim 1, wherein said barrier portion has a substantially flat shape. 3. The air conditioner according to claim 1, wherein said barrier portion is constituted by a lattice forming a large number of openings. 4. The air conditioner according to claim 1, wherein said barrier portion is constituted by a plurality of bars. 5. The air conditioner according to claim 3, wherein each opening of the grid has a size such that a fingertip of a person does not contact the heat exchanger. 6. The air conditioner according to claim 4, wherein each opening formed between the plurality of crosspieces has a size such that a fingertip of a person does not contact the heat exchanger. . 7. The air conditioner according to claim 1, wherein the barrier portion is formed integrally with the filter holding frame. 8. The air conditioner according to claim 1, wherein the filter housed in the filter case constitutes a dust collecting portion of an electric dust collecting type air purifier. 9. An air conditioner according to claim 8, wherein said filter case further houses a discharge portion of an electrostatic precipitating air purifier. 10. The air conditioner according to claim 1, wherein the handle portion of the filter case has a corrugated portion formed inside the handle portion.