KR20220001332A - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to an air conditioning apparatus for a vehicle. According to an embodiment of the present invention, the air conditioning apparatus for a vehicle comprises: an air conditioning case in which a heat exchanger is arranged; a cover coupled to the air conditioning case to form a middle flow path; and a door coupled to the air conditioning case to adjust the amount of air moving to the middle flow path. The air conditioning case includes a first air conditioning case, a second air conditioning case, and a middle case arranged between the first air conditioning case and the second air conditioning case and including a hole formed to communicate with the middle flow path. The door is rotatably arranged on the middle case to open and close the hole. The first air conditioning case and the second air conditioning case are detachably coupled to the middle case. Accordingly, assembly and access for an after-sales service can be improved by using the air conditioning case formed in a separable structure of the air conditioning apparatus for a vehicle.

Description

Air conditioner for vehicle {AIR CONDITIONER FOR VEHICLE}

The embodiment relates to an air conditioner for a vehicle. In detail, it relates to an air conditioner for a vehicle that improves the accessibility for door assembly and A/S by using a separate air conditioning case.

Cars are equipped with an air conditioning system to control the indoor air temperature and ventilation. In addition, the vehicle air conditioner generates heat in winter to keep the interior of the vehicle warm, and generates cool air in summer to keep the interior of the vehicle cool.

The vehicle air conditioner includes a three-piece type in which a blower unit, an evaporator unit, and a heater core unit are independently provided, and a semi-center type in which the evaporator unit and the heater core unit are built in an air conditioning case and the blower unit is separately provided -Center type) and a center mounting type in which the blower unit, the evaporator unit, and the heater core unit are all built into the air conditioning case.

1 is a view showing a conventional air conditioner for a vehicle.

Referring to FIG. 1 , a conventional air conditioner for a vehicle may include an air conditioning unit for controlling the temperature of air through heat exchange between air and a heat exchange medium, and a blower unit (not shown) for supplying air to the air conditioning unit.

Here, in the air conditioning unit, an air inlet 11 is formed on the inlet side, and a defrost vent 12, face vent 13, and floor vent are formed on the outlet side, each of which opening degree is controlled by a mode door air conditioning case (10) And, it may include an evaporator 2 and a heater 3 which are sequentially installed at regular intervals on the air flow formed in the air conditioning case 10 .

In this case, the floor vent may be divided into a floor vent 14 for a front seat and a floor vent 15 for a rear seat and formed in the air conditioning case 10 . Here, two of the floor vent 14 and the floor vent 15 for the rear seat may be provided on the left and right sides for left and right air conditioning of the driver's seat and the passenger seat, respectively. Accordingly, two floor flow paths may be formed in the air conditioning case 10 .

Accordingly, the blower unit of the vehicle air conditioner supplies air to the inside of the air conditioning case 10 through the air inlet 11, and the air introduced into the air conditioning case 10 is defrost vent (12). , may be discharged through the face vent 13 and the floor vent. Here, the temperature of the air introduced into the air conditioning case 10 may be controlled by the evaporator 2 and the heater 3 .

On the other hand, since the air conditioning case 10 of the air conditioning unit is formed as a single piece, there is a problem in that accessibility for assembly and A/S of parts is poor.

In addition, since the air conditioning case 10 is formed as a single unit, in order to form a central flow path (CH) connected to a console box (not shown), among the outer surfaces of the air conditioning case 10 , the indoor side of the vehicle The cover 20 should be coupled to one surface in the direction. Accordingly, there is a problem of increasing the size of the air conditioning unit in the front-rear direction of the vehicle body. Here, one side of the central flow path CH may be connected to the console box provided to supply air conditioning air to the rear seat space, and the other side may be connected in communication with the hole 16 formed in the air conditioning case 10 . .

Accordingly, there is a demand for an air conditioner for a vehicle that is structurally improved in terms of securing a vehicle interior space while improving assemblyability and accessibility for A/S.

The embodiment provides an air conditioner for a vehicle that improves the accessibility for assembly and A/S by using an air conditioning case formed in a separate structure.

In particular, there is provided an air conditioner for a vehicle that facilitates door assembly and accessibility for A/S by using an air conditioning case formed in a separate structure.

In addition, there is provided an air conditioner for a vehicle having a compact size in a front-rear direction of a vehicle body so as to secure a vehicle interior space by using a cover having an end detachably inserted and coupled to the air conditioning case.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned here will be clearly understood by those skilled in the art from the following description.

The object may include: an air conditioning case including a vent configured to discharge air into a vehicle interior, and an air passage formed to allow air to flow through the vent; and a door coupled to the air conditioning case to control the amount of air moving to the air passage, wherein the air conditioning case includes a first air conditioning case, a second air conditioning case, and the first air conditioning case and the second air conditioning case and a middle case disposed between and including a hole formed in communication with the air passage, wherein the door is rotatably disposed in the middle case to open and close the hole, and the first air conditioning case and the second air conditioning case The case is achieved by an air conditioner for a vehicle that is detachably coupled to the middle case.

Here, the vehicle air conditioner may further include a cover coupled to the middle case to form a central flow path.

The middle case includes a body in which the hole is formed, and a support portion formed on the body to rotatably support the shaft of the door, wherein the door includes a shaft and a plate formed to protrude from the shaft in a radial direction. Including, the plate may be disposed in the central flow path.

The support part includes a first support part and a second support part spaced apart from each other, the first support part includes a first through hole through which the shaft passes, and the second support part includes a first support part through which the shaft passes. 2 It may include a through hole and an opening cut in the axial direction.

In addition, the protrusion of the second air conditioning case may be coupled to the opening.

The subject is an air conditioning case in which a heat exchanger is disposed; a cover coupled to the air conditioning case to form a central flow path; and a door coupled to the air conditioning case to control the amount of air moving to the central flow path, wherein the air conditioning case is inserted in the axial direction and coupled to the air conditioning case, the middle case including an opening formed for assembly of the door; It is achieved by an air conditioner for a vehicle including a protrusion of a second air conditioning case coupled to the opening.

Here, the door includes a shaft and a plate formed to protrude from the shaft in a radial direction,

When the door is coupled to the middle case, the plate may move in an axial direction through the opening.

Meanwhile, the air conditioning case may include a left vent and a right vent, and a portion of the central flow path may be disposed between the left vent and the right vent.

The embodiment can improve assemblyability and accessibility for A/S by using an air conditioning case formed in a separate structure.

In particular, it is possible to facilitate access for door coupling and A/S through the three-part air conditioning case disposed in the vehicle width direction.

In addition, the embodiment implements a structure in which the cover is inserted into the groove structure of the air conditioning case concave toward the front in the front and rear directions, thereby realizing a compact size of the air conditioning case. Accordingly, the embodiment makes it possible to secure a space inside the vehicle while improving the degree of freedom of arrangement of other parts of the vehicle.

Various and advantageous advantages and effects of the embodiments are not limited to the above, and will be more easily understood in the course of describing specific embodiments of the embodiments.

1 is a view showing a conventional vehicle air conditioner,
2 is a perspective view showing an air conditioner for a vehicle according to an embodiment;
3 is an exploded perspective view showing an air conditioner for a vehicle according to an embodiment;
4 is an exploded perspective view showing an air conditioning case of an air conditioner for a vehicle according to an embodiment;
5 is an enlarged view of a part of a middle case of an air conditioner for a vehicle according to an embodiment;
6 is an enlarged view showing a door coupled to a middle case of an air conditioner for a vehicle according to an embodiment in an insertion manner;
7 is an enlarged view showing an operation of a door coupled to a middle case of an air conditioner for a vehicle according to an embodiment;
8 is an enlarged view illustrating coupling of a middle case, a door, and a second air conditioner case of the air conditioner for a vehicle according to the embodiment.

Since the present invention may have various changes and may have various embodiments, specific embodiments will be illustrated and described in the drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

Terms including an ordinal number such as 1st, 2nd, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

In the description of the embodiment, in the case where one component is described as being formed on "on or under" of another component, above (above) or below (below) (on or under) includes both components in which two components are in direct contact with each other or in which one or more other components are disposed between the two components indirectly. In addition, when expressed as 'up (up) or down (on or under)', a meaning of not only an upward direction but also a downward direction based on one component may be included.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Hereinafter, the embodiment will be described in detail with reference to the accompanying drawings, but the same or corresponding components are assigned the same reference numerals regardless of reference numerals, and overlapping descriptions thereof will be omitted.

2 is a perspective view illustrating an air conditioner for a vehicle according to an embodiment, and FIG. 3 is an exploded perspective view illustrating the air conditioner for a vehicle according to the embodiment.

2 and 3 , with respect to the vehicle, the x-direction may represent the front-rear direction of the vehicle body, and the y-direction may represent the vehicle width direction. In addition, the z-direction may indicate an up-down direction or a vertical direction. In addition, the x direction, the y direction, and the z direction may be perpendicular to each other.

Here, the front-rear direction may include an interior direction (rear) that is a direction toward the interior of the vehicle, and an engine room direction (front) that is opposite to the interior direction. In addition, the shaft of the door is inserted into the air conditioning case in the vehicle width direction, and the vehicle width direction may be referred to as an axial direction or an insertion direction. And, an imaginary line C shown in FIG. 3 may indicate the axial center of the shaft.

2 and 3 , in the vehicle air conditioner 1 according to the embodiment, the air conditioning case 100 in which the heat exchanger is disposed, and a cover coupled to the air conditioning case 100 to form a central flow path CH 200 , and a door 300 coupled to the air conditioning case 100 to control the amount of air moving to the central flow path CH. Here, one side of the central flow path CH may be connected to the console box, and the central flow path CH may be referred to as a console flow path.

The air conditioning case 100 includes a first air conditioning case 400 , a second air conditioning case 500 spaced apart from the first air conditioning case 400 in the vehicle width direction, and the first air conditioning case 400 and the first air conditioning case 400 . It may include a middle case 600 disposed between the two air conditioning cases 500 . In addition, the cover 200 may be detachably coupled to the middle case 600 . In this case, the first air conditioning case 400 may be referred to as a left air conditioning case, and the second air conditioning case 500 may be referred to as a right air conditioning case.

Accordingly, the air conditioning case 100 may be formed by a detachable coupling of the first air conditioning case 400 , the second air conditioning case 500 , and the middle case 600 divided into three parts. In addition, the cover 200 and the door 300 may also be detachably coupled to the air conditioning case 100 . Accordingly, the detachable structure of the vehicle air conditioner 1 can improve the ease of assembly of the heat exchanger, the cover 200 , the door 300 , etc. disposed therein and the accessibility for after-sales service.

The air conditioning case 100 and the cover 200 may form the outer shape of the vehicle air conditioner 1 . In addition, a heat exchanger may be disposed inside the air conditioning case 100 . Here, the heat exchanger performs heat exchange with the air flowing inside the air conditioning case 100 to control the temperature of the air. In this case, the heat exchanger may be an evaporator 2 and a heater 3 . Also, the heater 3 may be a positive temperature coefficient heater.

Referring to FIG. 2 , the air conditioning case 100 of the vehicle air conditioner 1 may include a plurality of vents formed to discharge air into a vehicle interior, and a plurality of air passages formed to flow air through the vents. Here, the plurality of vents may serve as outlets through which air inside the air conditioning case 100 is discharged.

In addition, the air conditioning case 100 may include a temperature control door (not shown) disposed to correspond to the vent to control the amount of air discharged through each of the vents.

Accordingly, the vehicle air conditioner 1 may implement various air conditioning modes to control the temperature of the vehicle interior by using the plurality of vents and the temperature control door.

A plurality of the vents are formed to communicate with the inside and the outside of the air conditioning case 100, the defrost vent 110 formed to discharge air toward the windshield of the vehicle, and to discharge air toward the face of the front seat occupant It may include a face vent 120 formed, and a floor vent 130 formed to discharge air toward the foot of the occupant.

The floor vent 130 may include a left vent 130a provided to discharge air to the left (driver's seat) inside the vehicle and a right vent 130b provided to discharge air to the right (passenger's seat) inside the vehicle. Here, the left vent 130a may be referred to as a first floor vent, and the right vent 130b may be referred to as a second floor vent.

In addition, the left vent 130a and the right vent 130b may be disposed to be spaced apart from each other by a predetermined interval in the vehicle width direction. For example, the left vent 130a and the right vent 130b may be symmetrically disposed on both sides of the air conditioning case 100 with respect to the vehicle width direction. Accordingly, the left vent 130a and the right vent 130b may be disposed on an imaginary line disposed in the vehicle width direction.

5 is an enlarged view of a part of a middle case of the air conditioner for a vehicle according to the embodiment, FIG. 6 is an enlarged view showing a door coupled to the middle case of the air conditioner for a vehicle according to the embodiment in an insertion manner, and FIG. 7 is It is an enlarged view showing the operation of the door coupled to the middle case of the air conditioner for a vehicle according to the embodiment, and FIG. 8 is an enlarged view showing the coupling of the middle case, the door, and the second air conditioning case of the air conditioner for a vehicle according to the embodiment.

Referring to the coupling process of the air conditioning case 100 and the door 300 with reference to FIGS. 2 to 8 , after coupling the middle case 600 to the first air conditioning case 400, the door 300 is attached to the middle case ( 600) and combined. In addition, by coupling the second air conditioning case 500 to the middle case 600 , the door 300 may be disposed on the air conditioning case 100 so that only rotation is possible.

That is, in the process of combining each component of the air conditioning case 100 divided into three, the door 300 is coupled in the axial direction to improve assembly of the door 300 of the air conditioning case 100 . . At this time, since the door 300 includes the plate 320 protruding in the radial direction from the shaft 310 , the middle case 600 uses the opening 621 formed in the support 620 to open the door 300 can be easily assembled. In addition, the detachable structure of the air conditioning case 100 can improve the ease of disposition of the heat exchanger, etc. disposed therein and the accessibility for after-sales service.

Referring to FIG. 4 , the first air conditioning case 400 , the middle case 600 , and the second air conditioning case 500 implementing the air conditioning case 100 may be disposed in the vehicle width direction. For example, the first air conditioning case 400 and the second air conditioning case 500 are spaced apart from each other in the vehicle width direction, and the middle case 600 is between the first air conditioning case 400 and the second air conditioning case 500 . By being disposed, the air conditioning case 100 can be formed. Here, the first air conditioning case 400 may be referred to as a left air conditioning case, and the second air conditioning case 500 may be referred to as a right air conditioning case.

The first air conditioning case 400 and the second air conditioning case 500 may be detachably coupled to the left and right sides of the middle case 600 , respectively. In addition, the above-described air inlet 11 may be formed in any one of the first air conditioning case 400 and the second air conditioning case 500 .

In addition, a left vent 130a may be formed in the first air conditioning case 400 . In addition, a right vent 130b may be formed in the second air conditioning case 500 .

In addition, each of the first air conditioning case 400 and the second air conditioning case 500 may include a groove (not shown) in which an end of the shaft 310 is disposed. Accordingly, the groove may prevent movement other than rotation by the groove of the door 300 and guide the assembly of the door 300 . Here, the movement may be referred to as a flow, and may be an axial movement or a radial movement with respect to the shaft 310 .

The middle case 600 may include a cavity formed concavely in the engine room direction to form the central flow path CH. Accordingly, the middle case 600 may include an opening formed to open toward the interior. In this case, the cover 200 may be disposed to cover the opening to form a central flow path CH together with the middle case 600 .

For example, the middle case 600 includes a groove structure (H) concavely formed in the engine room direction, and the end of the cover 200 is disposed on the interior direction side of the groove structure (H) to form a central flow path (CH). can form. Here, since the groove structure H is a part of the central flow path CH, it may be referred to as a channel structure.

4 and 5 , the middle case 600 is attached to the body 610 to rotatably support the body 610 in which the hole 611 is formed, and the shaft 310 of the door 300 . It may include the formed support 620 .

The body 610 may be formed in a shape including a groove structure H concave in the engine room direction. For example, the outer shape of the body 610 may be formed to have a 'C'-shaped cross section. In this case, the body 610 may be formed to be bent at least one region in consideration of the shape of the central flow path CH.

In addition, a hole 611 passing through one surface of the body 610 may be formed in the body 610 so that the air temperature-controlled by the heat exchanger may be introduced into the central flow path CH. Accordingly, any one of the air passages formed in the air conditioning case 100 and the central passage CH may communicate through the hole 611 .

Here, one surface of the body 610 on which the hole 611 is formed may be an inner surface. Accordingly, the middle case 600 may form the channel structure by using an inner surface and a sidewall portion formed to protrude from the inner surface.

The support part 620 may be formed in the body 610 to rotatably support the shaft 310 .

The support part 620 may be formed by bending a partial region of the body 610 . Alternatively, the support part 620 may be formed in a pipe shape, and may be formed in a shape in which one region is cut. Accordingly, the support part 620 may include a region cut in the axial direction, and the cut region may be an opening 621 . For example, a portion of the support 620 may be formed to have a 'C'-shaped cross-section.

Accordingly, the support part 620 may include an opening 621 provided for axial movement of the plate 320 of the door 300 and a curved surface 622 formed to support the outer peripheral surface of the shaft 310. .

The curved surface 622 may rotatably support the outer peripheral surface of the shaft 310 . In this case, the curved surface 622 may be disposed in contact with a portion of the outer peripheral surface of the shaft 310 . For example, the curved surface 622 may be formed to have a 'C'-shaped or arc-shaped cross-section.

Meanwhile, a pair of the support parts 620 may be formed on the body 610 to be spaced apart from each other in the axial direction. Accordingly, each of the pair of support parts 620 may support the outer peripheral surface of the shaft 310 to prevent radial movement such as tilting of the door 300 .

5 and 6 , the support part 620 includes a first support part 620a disposed on the first air conditioning case 400 side and a second support part 620b disposed on the second air conditioning case 500 side. may include Here, the first support part 620a and the second support part 620b may be disposed to be spaced apart from each other in the vehicle width direction.

The first support portion 620a supports one side of the shaft 310 and may include a first through hole 620a - 1 disposed to penetrate the shaft 310 . Accordingly, the shaft 310 may be inserted in the vehicle width direction to pass through the first through hole 620a - 1 to be disposed in the middle case 600 . Here, the first through hole 620a - 1 may be referred to as a left through hole.

The second support part 620b supports one side of the shaft 310 and may include a second through hole 620b - 1 and an opening 621 disposed to penetrate the shaft 310 . Here, the opening 621 may be disposed in the radial direction of the second through-hole 620b-1 and may be formed to communicate with the second through-hole 620b-1. Here, the second through hole 620b - 1 may be referred to as a right through hole.

Accordingly, the shaft 310 may be disposed in the middle case 600 by being inserted in the vehicle width direction and passing through the second through hole 620b-1 and then through the first through hole 620a-1. . In this case, the plate 320 of the door 300 may pass through the opening 621 formed in the second support 620b. That is, since the opening 621 is disposed on a movement path through which the plate 320 moves, the opening 621 may serve as a communication path provided to allow the plate 320 to move. .

In addition, when the door 300 is inserted, the first support part 620a in which the opening 621 is not formed may serve as a stopper.

However, in the air conditioning case 100 , there may be a problem in that the air flowing along the central flow path CH through the opening 621 is leaked.

Accordingly, as shown in FIG. 8 , the protrusion 510 of the second air conditioning case 500 may be coupled to the opening 621 formed in the second support part 620b. Accordingly, the protrusion 510 may prevent an outflow of air flowing along the central flow path CH through the opening 621 .

That is, the air conditioning case 100 includes the opening 621 formed for assembling the door 300 inserted and coupled in the axial direction, and the protrusion ( 510), it is possible to secure the assembly of the door 300 and the sealing of the central flow path CH. In detail, the middle case 600 includes the opening 621 formed for assembling the door 300 inserted and coupled in the axial direction, and the second air conditioning case 500 is coupled to the opening 621 . By providing the protrusion 510 to secure the assembly of the door 300 and the sealing property of the central flow path (CH).

A cover 200 may be detachably coupled to the middle case 600 to form the central flow path CH. In this case, the end of the cover 200 is disposed to overlap the first air conditioning case 400 and the second air conditioning case 500 in the vehicle width direction, thereby reducing the size of the vehicle air conditioner 1 in the front-rear direction. can do it

In addition, a left flow path and a right flow path may be disposed on both sides of the central flow path CH with respect to the vehicle width direction. In addition, the central flow path CH may be independently disposed from the left flow path and the right flow path. Accordingly, only the air introduced through the hole 611 may flow through the central flow path CH. Here, the left flow path may be a left floor flow path, and the right flow path may be a right floor flow path. In addition, the left flow path and the right flow path may be the air passages disposed inside the air conditioning case 100 .

Meanwhile, the left channel may be formed by combining the first air conditioning case 400 and the middle case 600 . In addition, the right flow path may be formed by coupling the second air conditioning case 500 and the middle case 600 .

In addition, the left vent 130a may be disposed in communication with the left flow path, and the right vent 130b may be disposed in communication with the right flow path. Accordingly, a portion of the lower side of the central flow path CH may be disposed to overlap the left vent 130a and the right vent 130b based on the vehicle width direction.

Referring to FIG. 4 , the door 300 may include a shaft 310 rotatably disposed on the middle case 600 and a plate 320 radially protruding from the outer circumferential surface of the shaft 310 . . Here, the shaft 310 and the plate 320 may be integrally formed.

The shaft 310 may be formed in a cylindrical shape or a pipe shape. And, it can be rotated by an actuator (not shown) such as a motor and a power transmission means. Here, an arm, a cam, a lever, etc. may be used as the power transmission means.

The plate 320 may be formed in a plate shape, and may be disposed to be elongated in the axial direction.

And, as the shaft 310 rotates, the plate 320 may open and close the hole 611 .

Meanwhile, the door 300 may further include a rubber part disposed along the edge of the plate 320 . Here, the rubber part may be formed of a material such as rubber, and sealing properties may be improved when the hole 611 is shielded. In this case, the rubber part may be injection-molded integrally with the plate 320 .

Although the above has been described with reference to the embodiments of the present invention, those of ordinary skill in the art can variously modify and modify the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be changed. And, it should be construed as being included in the scope of the present invention defined in the appended claims for differences related to such modifications and changes.

1: Vehicle air conditioning system
100: air conditioning case
200: cover
300: door
400: first air conditioning case
500: second air conditioning case 510: projection
600: middle case 610: body
611: hole 620: support
621: opening
CH: Central Euro

Claims (8)

An air conditioning case comprising: a vent formed to discharge air into the vehicle interior; and an air passage portion formed to allow air to flow through the vent; and
and a door coupled to the air conditioning case to control the amount of air moving to the air passage,
The air conditioning case includes a first air conditioning case, a second air conditioning case, and a middle case disposed between the first air conditioning case and the second air conditioning case and including a hole formed to communicate with the air passage,
The door is rotatably disposed in the middle case to open and close the hole,
The first air conditioning case and the second air conditioning case are removably coupled to the middle case. 2. The method of claim 1
A vehicle air conditioner including a cover coupled to the middle case to form a central flow path. 3. The method of claim 2,
The middle case includes a body in which the hole is formed, and a support part formed in the body to rotatably support the shaft of the door,
The door includes a shaft and a plate formed to protrude from the shaft in a radial direction,
The plate is an air conditioner for a vehicle disposed in the central flow path. 4. The method of claim 3,
The support portion includes a first support portion and a second support portion disposed to be spaced apart from each other,
The first support portion includes a first through hole through which the shaft passes,
The second support unit includes a second through hole through which the shaft passes and an opening cut in the axial direction. 5. The method of claim 4,
An air conditioner for a vehicle in which the protrusion of the second air conditioning case is coupled to the opening. an air conditioning case in which a heat exchanger is disposed;
a cover coupled to the air conditioning case to form a central flow path; and
and a door coupled to the air conditioning case to control the amount of air moving to the central flow path,
The air conditioning case includes a middle case including an opening formed for assembly of the door to be inserted and coupled in an axial direction, and a protrusion of a second air conditioning case coupled to the opening. 7. The method of claim 6,
The door includes a shaft and a plate formed to protrude from the shaft in a radial direction,
When the door is coupled to the middle case, the plate moves in the axial direction through the opening. 7. The method of claim 2 or 6,
The air conditioning case includes a left vent and a right vent,
A portion of the central flow path is disposed between the left vent and the right vent.

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