JP2003136954A - Air-conditioner device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle air-conditioner device 1 including a blower unit 3 installed inside the instrument panel 2 on its side with the assistant seat, wherein a filter 10 for the air-conditioning air can be replaced easily regardless of the installing structure of glove boxes 66 and 67 of the instrument panel 2. SOLUTION: A filter accommodation part 11 to accommodate the filter 10 with its air passing surface directed approximately horizontal is provided under an air intake 8 formed in the blower unit 3, and a filter inserting hole 21 is formed on the left about the vehicle body of the side wall part 20 of the filter accommodation part 11 of the casing 5. The side wall part 20 is furnished with a filter supporting part 30 to support approximately the whole peripheral circumference of the undersurface of the filter 10 and projections 35... to support the oversurface of the filter 10. A guide part 57 to support the undersurface of the filter 10 at the time of being inserted and guide to the filter supporting part 30 is formed on a bulkhead 54 provided between inside the filter accommodation part 11 and inside a blowing part 9 formed thereunder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner installed in an instrument panel of a vehicle.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Unexamined Patent Publication No. 9-12374.
As disclosed in Japanese Patent Publication No. 8, when an air conditioner of this type is provided in a passenger compartment of an automobile, it is divided into an air conditioner unit containing a heat exchanger and a blower unit for blowing air for air conditioning to the air conditioner unit. It is known that they are arranged in the instrument panel at a substantially central portion in the vehicle width direction and the passenger seat side thereof, respectively.

Further, in the air conditioner having the above-mentioned structure, generally, the air blower unit is provided with a filter for filtering the air for air conditioning, and when the filter reaches the use limit, the passenger seat of the instrument panel is provided. The glove box provided on the side is removed, and the glove box is replaced from the filter insertion hole opened on the vehicle body rear side of the casing of the blower unit.

[0004]

By the way, in order to improve the storage convenience of the instrument panel,
In some cases, a plurality of glove boxes are arranged side by side with the opening for disposing the glove box of the instrument panel being relatively long and large in the vehicle width direction. Since the rigidity of the instrument panel is reduced by forming such a large opening, a reinforcing member for connecting the upper edge and the lower edge of the opening must be provided between the plurality of glove boxes.

However, when the filter is replaced from the rear side of the vehicle body as in the prior art, the reinforcing member hinders the replacement work, and a plurality of glove boxes have to be removed, which makes the replacement work extremely difficult. It becomes complicated. Further, since many devices such as an air bag device are usually arranged in the instrument panel, it is difficult to layout the blower unit in consideration of filter replacement workability.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an air conditioning air filter in a blower unit disposed on the passenger seat side in an instrument panel. The purpose is to improve the filter replacement workability regardless of the structure of the glove box.

[0007]

In order to achieve the above-mentioned object, in the solution means of the present invention, in the case where the blower unit is arranged on the passenger side in the instrument panel, the vehicle width of the casing of the blower unit A filter insertion hole is provided on one side in the direction.

Specifically, according to the first aspect of the invention, an air conditioning unit is provided in the instrument panel of the vehicle at a substantially central portion in the vehicle width direction, and an air conditioning unit is provided on the passenger seat side of the air conditioning unit. It is premised on a vehicle air conditioner including a blower unit provided with a filter for filtering air for use. Then, a filter insertion hole for inserting the filter into the filter accommodating portion of the casing is formed in a side wall portion of the casing of the blower unit on one side in the vehicle width direction.

According to this structure, first, the filter is attached to the blower unit by being inserted into the filter housing portion through the filter insertion hole of the blower unit, and the air conditioning air filtered by this filter is supplied to the air conditioner unit. Become so. On the other hand, the filter that has reached the usage limit is pulled out from the filter insertion hole and replaced, but at this time, the filter insertion hole is formed on one side of the casing of the blower unit in the vehicle width direction. It can be performed from the width direction. Therefore, even if a relatively large opening is formed on the passenger seat side of the instrument panel and a plurality of glove boxes are provided, the replacement work can be easily performed.

According to a second aspect of the invention, in the first aspect of the invention, the casing of the blower unit is divided into a plurality of members at an intermediate portion in the vehicle width direction, and each of the plurality of members is molded by a molding die. Shall be.

That is, generally, when a casing of an air conditioner is molded by a molding die, it is necessary to set a draft in a wall portion or the like extending in the moving direction of the molding die. Therefore, if a filter insertion hole is provided in such a wall portion, the lid member of the insertion hole must be set in a shape in consideration of the draft, which is extremely complicated.

On the other hand, according to the present invention, since the casing is divided into a plurality of members in the vehicle width direction, it is not necessary to set the surface of the casing on one side in the vehicle width direction, that is, the draft as described above. Since the filter insertion hole is opened in this surface, the filter insertion hole can be surely sealed while facilitating the shape setting of the lid member.

According to a third aspect of the present invention, in any one of the first or second aspects of the present invention, the filter is formed by forming only a filtering material into a plate shape, and the filter accommodating portion of the casing includes the filter. A filter support portion that supports the outer peripheral side of the surface on the downstream side of the air flow over substantially the entire circumference is provided.

That is, since the filter is made of only the filtering material, the filter can be deformed and the replacement work can be easily performed. On the other hand, such a filter is apt to be deformed to the air flow downstream side by the wind pressure when the air conditioning air passes through. Since the filter supporting portion that supports the filter over substantially the entire circumference is provided, the filter can be stably supported. In other words, it is possible to obtain desired filtering performance while improving the workability of replacement through the filter insertion hole.

According to a fourth aspect of the invention, in the third aspect of the invention, a protrusion is formed on the inner surface of the side wall portion of the filter accommodating portion of the casing so as to abut the surface of the filter on the upstream side of the air flow. And

In this structure, when the filter is accommodated in the filter accommodating portion, the filter is formed from the upstream side of the air flow by the protrusion formed on the inner surface of the side wall portion so as to contact the surface of the filter on the downstream side of the air flow. Since it is also supported, it is possible to more effectively prevent the displacement and vibration of the filter.

According to a fifth aspect of the present invention, in any one of the third or fourth aspects of the invention, the filter is accommodated substantially horizontally in the filter accommodating portion of the casing, and is inserted below the filter in the filter accommodating portion. A guide portion that supports the lower surface of the filter at this time and guides it to the filter support portion is provided.

That is, a filter made of only a filtering material is easily deformed and may drop from the filter supporting portion at the time of insertion, but a guide portion for supporting the lower surface of the filter in the filter accommodating portion and guiding it to the filter supporting portion is provided. Therefore, the filter can be inserted easily and surely.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a view showing an arrangement state of an air conditioner 1, which is housed inside an instrument panel 2 provided in a passenger compartment of an automobile. This vehicle is a so-called right-hand drive vehicle in which a driver's seat and a passenger's seat are provided on the right side and the left side of the vehicle body, respectively. Although not shown, the engine room and the vehicle compartment in the front part of the vehicle body are separated by a dash panel.

The air conditioner 1 is arranged near the center of the vehicle in the width direction of the air blower unit 3 which is unevenly distributed on the passenger seat side, cools the air conditioning air from the air blower unit 3, and then adjusts the temperature to supply the air to the passenger compartment. And an air conditioning unit 4. Blower unit 3
As shown in FIG. 2, the vehicle includes a casing 5 that is divided into two at a substantially central portion in the vehicle width direction, and they are integrated by using a fastener or the like. The left and right casing members 6 and 7 are formed by injection molding a resin material, and these are molded using a molding die that moves along a surface extending in the vehicle width direction when mounted on a vehicle. An air intake section 8 is provided on the upper side of the casing 5, while a blower section 9 for blowing the air from the air intake section 8 to the air conditioning unit 4 is provided on the lower side. A filter 1 for filtering the air taken in between
A filter housing portion 11 that houses 0 is provided.

On the front side of the vehicle body above the air intake section 8,
An outside air inlet 12 for introducing air outside the vehicle is formed, and is connected to an opening of a cowl panel (not shown) by a duct 13 shown only in FIG. On the other hand, on the rear side of the vehicle body of the air intake section 8, an inside air intake port 14 for introducing air in the vehicle compartment is formed, and a grill 15 is provided integrally with the casing 5. Inside the air intake portion 8, although not shown, the outside air intake 12 and the inside air intake 1
There is provided an inside / outside air switching damper that operates so that either one of them is closed and the other is opened. That is, the inside / outside air switching damper is driven by an actuator (not shown), and when the outside air intake 12 is set to a position where it is fully opened, the inside air intake 14 is fully closed,
It is the outside air intake mode in which only the outside air is taken in. On the other hand, when the outside air intake 12 is set to the fully closed position, the inside air intake 13 is fully opened, and the inside air circulation mode is set.

As shown in FIG. 3, the filter 10 accommodated in the filter accommodating portion 11 is formed as a thick rectangular plate as a whole, and cuts a filter material such as filter paper into a predetermined shape. Then, it is continuously bent in a wavy shape. That is, the thickness of the filter 10 is the dimension in the height direction of the wavy portion.
The air passage surface extends in the direction in which the wavy portions continue. The filter 10 is arranged such that the air passage surface is substantially horizontal and the wavy portions are continuous in the front-rear direction of the vehicle body, and the air from the air intake portion 8 flows in the direction (FIG. 6).
(Indicated by an arrow in FIG. 3) passes substantially perpendicular to the air passage surface.

The filter accommodating portion 11 has a side wall portion 20 formed so as to surround the periphery of the filter 10 in the blower unit casing 5. As shown in FIG. 4, the side wall portion 20a on the left side of the vehicle body has a filter portion. A substantially rectangular filter insertion hole 21 for inserting 10 is formed. Further, the left side wall portion 20a is formed with a hole portion 22 that extends along the entire lower edge of the opening of the filter insertion hole 21 and is continuous with the opening. That is, the boundary between the filter insertion hole 21 and the hole portion 22 is elongated over both ends in the vehicle body front-rear direction, and both ends thereof are respectively located in the front side wall portion 20b.
Further, a horizontal wall portion 23 connected to the rear side wall portion 20c is formed, and the horizontal wall portion 23 is located inside the filter housing portion 11 by a predetermined distance from the left side wall portion 20a. Further, the horizontal wall portion 23 is supported by a plurality of support portions 25, 25, ... Which are separated from each other in the vehicle front-rear direction, and each support portion 25 extends from the lower surface of the horizontal wall portion 23 to the lower edge of the hole portion 22. It is formed in a plate shape that extends.

In addition, the filter housing portion 11 of the casing 5
The front wall portion 20b and the rear wall portion 20c of the vehicle body are formed with front ribs 27 and rear ribs 28 that extend from both ends of the horizontal wall portion 23 to the right side of the vehicle body in a substantially horizontally elongated shape. Further, as shown in FIGS. 5 and 6, the front rib 27 and the rear rib 2 are provided on the wall portion 20d on the right side of the vehicle body.
A right rib 29 extending substantially horizontally is formed so as to connect the right end portions of the eight. That is, the horizontal wall portion 23
The front and rear ribs 27 and 28 and the right rib 29 are rectangular frame-shaped filter support portions 30 whose upper surfaces are located substantially in the same plane.
Since the outer peripheral side of the lower surface of the filter 10 is joined to the upper surface of the filter 10 over the entire circumference, the filter 10 is stably supported and is prevented from being deformed by the wind pressure when the air for air conditioning passes through.

Further, the front side wall portion 20b and the rear side wall portion 20c of the filter accommodating portion 11 of the casing 5 are substantially horizontal from the vehicle body front end and the vehicle body rear end at the upper edge portion of the filter insertion hole 21 to the vehicle body right side. A pair of upper ribs 31 and 32 extending in a slender shape are formed. Two upper ribs (not shown), which are separated from each other in the front-rear direction, are provided substantially horizontally toward the inside of the filter accommodating portion 11 at an intermediate portion of the upper edge portion of the filter insertion hole 21 in the vehicle front-rear direction. The upper end of the right side wall portion 20d of the casing 5 is formed so that the upper portion of the right end portion of the filter 10 fits. That is,
Corresponding portions on the outer peripheral side of the upper surface of the filter 10 are joined to the lower surfaces of the upper ribs 31 and 32, and the right end portion of the filter 10 is fitted to the fitting portion 34 of the right side wall portion 20d, so that the filter 10 The upward movement is restricted. In addition, the fitting portion 34 of the right side wall portion 20d is provided with a projection 35 (projection portion) that projects from the inner surface thereof to the inside of the filter housing portion 11 and contacts the right end portion of the upper surface of the filter 10. The three projections 35 are arranged in parallel in the front-rear direction of the vehicle body at approximately equal intervals, and are connected to the upper surface and the right side surface of the inner surface of the fitting portion 34. It is shaped.

Further, a rectangular lid member 40 for closing the filter insertion hole 21 is attached to the left side wall portion 20a of the casing 5. The fixing structure of the lid member 40 will be described. In the left side wall portion 20a, two cutout portions 4 that are continuous with the upper end of the filter insertion hole 21 and are spaced apart in the vehicle body front-rear direction.
1, 41 are provided, and two cutouts 42, 42 are also provided at the lower end of the hole 22. On the other hand, although not shown, the upper and lower claws of the lid member 40 respectively engage with the upper and lower cutouts 41, 41 and 42, 42 of the left side wall 20a, respectively. It is provided. When the lid member 40 is fixed by engaging the claw portions with the cutout portions 41, 42, the sealing material made of foamed resin provided at the joint portion of the lid member 40 with the peripheral edge portion of the filter insertion hole 21. Sealed by 45. At this time, the filter 10 is pushed by the surface of the lid member 40 on the filter housing portion 11 side and is held by the projections 35, 35, ...

The air filtered by the filter 10 is introduced into the air blower 9 provided below the air. The blower unit 9 includes a centrifugal multi-blade fan 50, which is a blower fan.
Is arranged with its rotation axis oriented in the vertical direction, and a fan drive motor 51 is further arranged below it. The blower fan 50 is housed in a fan housing 52 that forms the outer shape of the blower unit 9, and the fan housing 52 surrounds the outer periphery of the blower fan 50 so that the air from the blower fan 50 is air-conditioned. Air outflow passage 5 sent to 4
3 is formed, and further, in the fan housing 52,
Inside the casing 5, the inside of the filter housing portion 11 and the blower portion 9
A partition 54 is provided to partition the inside of the partition. The upstream end of the air outflow passage 53 is positioned at a portion of the right side of the blower fan 50 that corresponds to the approximate center of the vehicle body in the front-rear direction. It is a spiral passage that extends substantially linearly to the air conditioning unit 4 side in front of the fan 50 and has a cross-sectional area that gradually increases from the upstream side to the downstream side. The downstream end of the air outflow passage 53 is open to the front side of the right side surface of the fan housing 52, and the opening is connected to an air introduction port 55 (described later) of the air conditioning unit 4.

Partition wall 54 of the fan housing 52
Is positioned below the filter support portion 30 by a predetermined distance, and extends generally horizontally, and a bell mouth-shaped air inflow hole 56 is formed concentrically with the blower fan 50. Further, the partition wall portion 54 is provided with a guide portion 57 for guiding the filter 10 to a predetermined position at the time of insertion, and the guide portion 57 is, as shown in FIG.
It has a rib shape extending as a whole in the vehicle width direction, and extends substantially vertically from a substantially central portion between the air inlet hole 56 and the front side wall portion 20b of the casing 5 on the upper surface of the partition wall portion 54. An end portion of the guide portion 57 on the right side of the vehicle body is connected to the right side wall portion 20d of the casing 5 and extends to substantially the same height as the right side rib 29 of the right side wall portion 20d.
From there, the left side of the vehicle body is made to have substantially the same height as the right side rib 29 by a predetermined length, and thereafter, the left side is gently inclined so as to be closer to the partition wall portion 54, and the left end portion is substantially the same as the upper surface of the partition wall portion 54. It is said to be high. That is, normally, the filter 10 at the time of insertion is in a state of being supported by the filter support portion 30, but even when the filter 10 is detached from the filter support portion 30 due to deformation or the like, the lower surface of the filter 10 is supported by the upper end of the guide portion 57. And is guided to the filter support portion 30.

The filter 10 has an air inlet 5
Since it is arranged at a predetermined distance above 6 from the above, substantially the entire filter 10 can be used to filter air. Further, in order to maximize the cross-sectional area of the front portion of the air outflow passage 53 as described above, the partition wall portion 54 is
When viewed in the vehicle width direction, the front side of the vehicle body of the air inflow hole 56 is relatively long. By providing the guide portion 57 in this portion, the air inflow hole 56 and the guide portion 57 are relatively provided. The air can be blown out smoothly because they can be widely separated.

The air conditioning unit 4 is provided with a casing 60 which is long in the vertical direction as a whole and is formed in the shape of a rectangular box larger than the casing 5 of the blower unit 3. The casing 60 also serves as the blower unit 3. Similarly, it is divided into left and right. An air inlet 55 to which the downstream end of the air outflow passage 53 of the blower unit 3 is connected is opened on the left side surface of the casing 60 of the air conditioning unit 4. As shown in FIG. 7, an evaporator 61, which is an element of the refrigeration cycle, is housed inside the air conditioning unit 4 on the rear side of the vehicle body with respect to the air introduction port 55 with its air passage surface being substantially vertical. A heater core 62 that heats the air that has passed through the evaporator 61 is housed in the rear of the vehicle body so as to be inclined toward the rear of the vehicle body toward the upper side thereof. After the air conditioning air from the air inlet 55 passes through the evaporator 61, the amount of air passing through the heater core 62 is adjusted by the air mix damper 63 to be conditioned air, and the upper end portion of the air conditioning unit casing 60 and The air is supplied to the vehicle compartment from the air outlets 64, 64, ...

The blower unit 3 and the air conditioning unit 4
Is fixed to the dash panel and the instrument panel 2 at a predetermined position and attached to the vehicle body.
The filter housing portion 11 of the blower unit 3 overlaps with the lower portion of the instrument panel 2 on the passenger side when viewed along the vehicle body front-rear direction. In the lower part of the instrument panel 2 on the passenger side, as shown in FIG. 1, a glove box installation port 65 is formed over substantially the entire vehicle width direction, and two glove boxes 66, 67 are arranged side by side in the vehicle width direction, and a reinforcing member 68 that connects the vicinity of the upper end and the vicinity of the lower end of the glove box installation port 65 is provided between them. As shown in FIG. 8, the glove box 66 on the left side of the vehicle body is formed to be relatively long in the vehicle width direction.
67 includes panel portions 69 and 70 for closing the glove box installation port 65, and box-shaped article storage portions 71 and 72 attached to the back sides of the panel portions 69 and 70, respectively.

Next, the replacement work of the filter 10 will be described. First, the operator inserts the instrument panel from between the lower edge of the instrument panel 2 on the passenger side and the floor panel (not shown) of the vehicle body. 2 inserts a hand into the filter insertion hole 21, removes the lid member 40 from the filter insertion hole 21, and then grasps and pulls out the left end of the vehicle body of the filter 10. At this time, the left end of the vehicle body of the filter 10 faces the hole 22 that is continuous with the filter insertion hole 21.
It can be pulled out easily. Meanwhile, the new filter 1
When housing 0, the lower surface of the right end portion of the filter 10 is first supported by the horizontal wall portion 23 between the filter insertion hole 21 and the hole portion 22, and then the insertion is started. This way
The front ribs 27 and the rear ribs 28 of the filter housing portion 11 guide the front end side and the rear end side of the lower surface of the filter 10 in a supported state, and the insertion is completed.
Attach 0.

When the filter 10 is inserted, since the filter insertion hole 21 is opened on the rear side of the instrument panel 2 and on the left side wall portion 20a, the operator cannot work while directly checking. On the other hand, in this embodiment, since the filter 10 is made of only the filtering material and has flexibility, the shape can be changed to facilitate insertion. On the other hand, the filter 10 that is easily deformed in this way
It is conceivable that the right end portion of the filter 10 may fall off from the front rib 27 and the rear rib 28 during the insertion.
Guided to a height of 7, 28, 29.

If the vehicle body parts are disposed in the instrument panel 2 in the vicinity of the blower unit 3 and it is difficult to insert the filter 10 having the above-described size, the filter 10 is generally arranged in the longitudinal direction of the vehicle body. It is also possible to divide it into two equal parts, insert one, and then insert the other. In this case, the first one is easily detached from the front ribs 27 and the rear ribs 28 because of its short dimension in the front-back direction of the vehicle body. The ribs 29 are guided to the height of the ribs 29 and can be securely inserted. After that, if the previously inserted filter is slid to the rear side of the vehicle body and then the remaining filters are inserted, the filter will be in a state of being supported by the front rib 27 and the guide portion 57 from the start of insertion, so that it will be easy. Can be inserted.

Therefore, according to the vehicle air conditioner 1 of this embodiment, the filter insertion hole 21 of the blower unit 3 disposed on the passenger side of the instrument panel 2 is provided.
The left side wall portion 20a of the filter housing portion 11 of the casing 5
Therefore, it is possible to improve the replacement workability of the filter 10 without changing the layout of the blower unit 3 depending on the number and shape of the glove boxes 66 and 67 and the position of the reinforcing member 68.

Further, since the filter 10 made of only the filtering material is easily deformed, the filter 10 can be easily inserted even in the filter insertion hole 21 located on the inner side of the instrument panel 2 where it is difficult to confirm the work. You can do it. At this time, the filter 10
Even if is dropped to the partition wall 54 side, the lower surface of the filter 10 is guided to the height of the filter support portion 30 by the guide portion 57, so that the filter 10 can be mounted more reliably. After the insertion, the filter 10 is stably held at a predetermined position by supporting the outer peripheral side of the upper surface and the outer peripheral side of the lower surface. Furthermore, since the filter 10 is pressed against each protrusion 35 by mounting the lid member 40, it is possible to prevent the generation of abnormal noise due to the vibration of the filter 10.

Further, in this embodiment, the blower unit casing 5 is divided into two casing members 6 and 7 at an intermediate portion in the vehicle width direction, and each of them is molded by a molding die. Since the filter insertion hole 21 is opened on the surface orthogonal to the moving direction of the mold during molding, that is, on the outer surface of the left side wall portion 20a of the vehicle body where the draft is not set, the filter insertion hole 21 and the periphery of the filter insertion hole 21 of the lid member 40 are formed. The joining surface can be sealed while the insertion hole 21 is sealed while the draft is not taken into consideration.

(Other Embodiments) The present invention is not limited to the above-mentioned embodiments, and includes various other embodiments. That is, in the above embodiment,
Although the replacement work of the filter 10 is performed with the two glove boxes 66, 67 attached, the present invention is not limited to this, and for example, only the glove box 66 on the left side of the vehicle body is removed and the glove box installation opening 65 is replaced. You may make it work.

Further, in the above embodiment, the guide portion 57 of the filter 10 at the time of insertion is formed into a rib shape, but the present invention is not limited to this, and the support area of the support portion 30 on the lower surface of the filter 10 may be enlarged. May be. That is, the filter support portion 30 may be a plate-like member that extends substantially parallel to the partition wall portion 54, and the through hole corresponding to the air inflow hole 56 of the partition wall portion 54 may be formed.

Further, as the guide portion 57, for example, an inclined wall portion which is continuous from the periphery of the air inflow hole 56 of the partition wall portion 54 to the filter support portion 30 may be formed.

[0042]

As described above, according to the vehicle air conditioner of the first aspect of the invention, the filter is provided on one side in the vehicle width direction of the casing of the blower unit disposed on the passenger seat side in the instrument panel. Since the insertion hole is formed, when the filter reaches the limit of use, it can be pulled out and inserted from one side in the vehicle width direction.This allows the filter to be inserted regardless of the shape or number of the glove box of the instrument panel. Exchangeability can be improved.

According to the second aspect of the present invention, since the blower unit casing is divided at the intermediate portion in the vehicle width direction and each is formed by the molding die, the filter insertion hole is opened in the surface where the draft is not required to be set. As a result, the filter insertion hole can be easily and reliably sealed.

According to the third aspect of the present invention, the filter can be deformed to facilitate the replacement work, and such a filter can be stably supported by the filter supporting portion.

According to the fourth aspect of the present invention, since the filter is supported from the upstream side of the air flow by the protrusion provided on the inner surface of the side wall of the casing, it is possible to surely prevent the filter from being displaced or vibrating.

According to the fifth aspect of the present invention, since the filter is accommodated substantially horizontally and the guide portion for guiding the filter at the time of insertion to the filter support portion is provided below the filter in the filter accommodating portion, the filter is inserted. Can be performed easily and reliably.

[Brief description of drawings]

FIG. 1 is a perspective view of a front portion of a vehicle compartment showing an arrangement state of an air conditioner.

FIG. 2 is a perspective view from above showing the appearance of the air conditioner.

FIG. 3 is an explanatory diagram of a filter replacement work of the blower unit.

FIG. 4 is a perspective view of the blower unit from the left side of the vehicle body.

5 is a view of the right casing member of the blower unit corresponding to FIG. 4.

FIG. 6 is a side view of a right side casing member of the blower unit.

FIG. 7 is a side view showing the structure of an air conditioning unit.

FIG. 8 is a perspective view from above the vehicle body showing an arrangement state of an air conditioner.

[Explanation of symbols]

1 Air conditioner 2 Instrument panel 3 Blower unit 4 air conditioning unit 5 casing 6 Left casing member 7 Right casing member 10 filters 11 Filter housing 20 Side wall 21 Filter insertion hole 30 Filter support 35 Protrusion (projection) 57 Guide

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shinji Yonehara             3-11 Yoshikawa Industrial Park, Higashihiroshima City, Hiroshima Prefecture             In ceremony company Japan Climate Systems

Claims (5)

[Claims] 1. An air conditioning unit disposed in a substantially central portion of a vehicle's instrument panel in a vehicle width direction, and a filter disposed on a passenger seat side of the air conditioning unit for filtering air for air conditioning. In a vehicle air conditioner including a blower unit, a filter insertion hole for inserting a filter into a filter accommodating portion of the casing is formed in a side wall portion of the casing of the blower unit on one side in the vehicle width direction. A vehicle air conditioner characterized by: 2. The casing of the blower unit according to claim 1, wherein the casing of the blower unit is divided into a plurality of members at an intermediate portion in the vehicle width direction, and each of the plurality of members is molded by a molding die. Air conditioning system for vehicles. 3. The filter according to claim 1, wherein the filter is formed only by a filter material into a plate shape, and the filter housing portion of the casing has an outer periphery on a surface on the air flow downstream side of the filter. A vehicle air conditioner characterized in that a filter support portion is provided to support the side over substantially the entire circumference. 4. The vehicle according to claim 3, wherein a protrusion is formed on an inner surface of a side wall portion of the filter accommodating portion of the casing so as to come into contact with a surface of the filter on an upstream side of the air flow. Air conditioner. 5. The filter according to claim 3, wherein the filter is accommodated substantially horizontally in a filter accommodating portion of a casing, and a lower surface of the filter when inserted is supported below the filter in the filter accommodating portion. A vehicle air conditioner characterized in that a guide portion for guiding the filter to the filter support portion is provided.