KR101207307B1 - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to a vehicle air conditioner, and more particularly, a single thin plate (film) member formed by connecting a first door part closing at least two vents and a second door part closing one vent with a bridge part. By constructing the door, it is possible to open and close a plurality of vents in one mode door and use a single thin film (film) member with improved structure. In addition, the size of the air conditioner can be reduced, and the use of a single sheet (film) member also prevents and reuses (recycles) odor due to mold fungus, and at the end of the sheet (film) member It relates to a vehicle air conditioning apparatus that can be formed in the bent portion to prevent the jam during operation.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLE}

The present invention relates to a vehicle air conditioner, and more particularly, a single thin plate (film) member formed by connecting a first door part closing at least two vents and a second door part closing one vent with a bridge part. By constructing the door, it is possible to open and close a plurality of vents in one mode door and use a single thin film (film) member with improved structure. In addition, the size of the air conditioner can be reduced, and the use of a single sheet (film) member also prevents and reuses (recycles) odor due to mold fungus, and at the end of the sheet (film) member It relates to a vehicle air conditioning apparatus that can be formed in the bent portion to prevent the jam during operation.

Generally, the air conditioner for a vehicle is an automobile interior which is installed for the purpose of securing the front and rear view of the driver by removing the casting which is to be cooled or heated in the summer or winter season, or in case of rain or windshield during rainy or winter season Such an air conditioner is usually equipped with a heating device and a cooling device at the same time, and selectively introduces outside air or indoor air, and then the air is heated or cooled to blow air into the inside of the vehicle.

According to the independent structure of the blower unit, the evaporator unit, and the heater core unit, the air conditioner includes a three piece type in which the three units are independently provided, and an evaporator unit and the heater core unit in the air conditioning case. Semi-Center type with built-in blower unit as a separate unit, and Center Mounting Type with all three units built in air conditioning case,

Recently, so-called left and right independent air conditioning systems have been applied to allow individual air-conditioning to be provided by supplying air of different temperatures to the driver's seat and the passenger seat in the vehicle interior according to the needs of the occupants.

1 shows a conventional semi-center type air conditioner, in which the air inlet 11 is formed at the inlet side and the opening degree is adjusted by the mode door 16 at the outlet side, respectively. An air conditioning case 10 provided with a frost vent 12a, a face vent 12b, and floor vents 12c and 12d; An air blower (not shown) connected to the air inlet 11 of the air conditioning case 10 to blow indoor air or outdoor air; An evaporator (2) and a heater core (3) installed on an air passage in the air conditioning case (10); The opening of the cold air passage P1 which is installed between the evaporator 2 and the heater core 3 and bypasses the heater core 3 and the warm air passage P2 which passes through the heater core 3, And a temperature control door 15 for controlling the temperature.

Further, the floor vents 12c and 12d are separated into a front seat vent 12c and a rear seat vent 12d.

The temperature control door 15 and the mode door 16 may include rotation shafts 15b and 16b rotatably installed on both sides of the air passage inside the air conditioning case 10, and the rotation shafts 15b and 16b. It consists of a plate (15a) (16a) formed on one side of the), in this case, the center pivot door may be used in the mode door 16, the plate 16a is formed on both sides of the rotation shaft (16b).

The temperature control door 15 and the mode door 16 is connected to a cam (not shown) or a lever (not shown) driven by an actuator (not shown) installed on the outer surface of the air conditioning case 10 to rotate. While adjusting the opening degree of the cold, hot air passage (P1) (P2) or to adjust the opening degree of the passage toward each of the vents (12a ~ 12d).

1 and 2, seal members 15c and 16c are attached to edges of the plates 15a and 16a, respectively, to the temperature control door 15 and the mode door 16, respectively. When the doors 15 and 16 close the passages, the seal members 15c and 16c closely adhere to the air conditioning case 10, thereby improving the sealing property.

According to the vehicle air conditioner 1 configured as described above, when the maximum cooling mode is operated, the temperature control door 15 opens the cold air passage P1 and closes the hot air passage P2. do. Accordingly, the air blown by the blower not shown is exchanged with the refrigerant flowing through the evaporator 2 while passing through the evaporator 2 to be changed to cold, and then the mixing area (Mixing) through the cold air passage (P1). Chamber (MC), and is discharged to the vehicle interior through the vent (12a ~ 12d) is opened in accordance with the predetermined air conditioning mode, thereby cooling the vehicle interior.

In addition, when the maximum heating mode is activated, the temperature control door 15 closes the cold air passage P1 and opens the hot air passage P2. Accordingly, the air blown by the blower not shown is heat exchanged with the coolant flowing through the inside of the heater core 3 while passing through the heater core 3 through the hot air passage (P2) after passing through the evaporator (2) After changing to warmth, it flows toward the mixing area MC, and is then discharged into the vehicle interior through the vents 12a to 12d that are opened according to a predetermined air conditioning mode, thereby heating the vehicle interior.

On the other hand, when the mixing mode is activated, the temperature control door 15 is rotated to a neutral position to open both the cold air passage (P1) and the hot air passage (P2) to the mixing chamber (MC). Therefore, after the cool air passing through the evaporator 2 and the warm air passing through the heater core 3 are mixed by flowing toward the mixing area MC, the vents 12a to 12d are opened to the vehicle interior through the air conditioning mode. Discharged.

However, as shown in FIG. 2, the seal member 16c is attached to the mode door 16 to improve the sealing property. There is a problem in that the mold member 16c inhabits the seal member 16c to generate an odor.

In addition, the price of the seal member 16c to be attached to the mode door 16 is expensive, there is also a problem that the manufacturing cost increases because it takes a long time to attach.

In addition, in order to attach the seal member 16c, the plate 16a of the mode door 16 has a constant thickness, so that there is a problem in that the weight is heavy and the material cost by weight is large.

In addition, since the material of the mode door 16 is made of two or more materials, there is a problem that it is difficult to reuse (recycle).

SUMMARY OF THE INVENTION An object of the present invention for solving the above-described problems is a single thin film (film) member formed by connecting a first door part closing at least two vents and a second door part closing one vent with a bridge part. By constructing the door, it is possible to open and close a plurality of vents in one mode door and use a single thin film (film) member with improved structure. In addition, the size of the air conditioner can be reduced, and the use of a single sheet (film) member also prevents and reuses (recycles) odor due to mold fungus, and at the end of the sheet (film) member It is to provide a vehicle air conditioning apparatus that can be formed in the bent portion to prevent the jam during operation.

The present invention for achieving the above object, the air-conditioning case having a defrost vent, a face vent, a floor vent so as to discharge the air flowed from the blower, and an evaporator installed on the air passage inside the air conditioning case; In the air conditioning apparatus for a vehicle comprising a heater core, a gear door installed in the interior of the air conditioning case and a thin plate member for opening and closing each vent while sliding in engagement with the gear shaft, wherein the thin plate member, A first door part configured to close at least two vents of the vents, a second door part spaced apart from the first door part by a predetermined distance in a sliding direction, and configured to close at least one of the vents; Characterized in that the bridge portion formed to connect the first door portion and the second door portion It shall be.

The present invention provides a plurality of single mode doors by forming a mode door using a single thin film (film) member formed by connecting at least two vents to close the first vent and a second door to close one vent. It can open and close two vents and uses a single thin film (film) member with improved structure, so the overall structure of the mode door is simple, which can reduce the number of parts, weight and cost, and improve durability. Can be reduced.

In addition, the use of a single thin film (film) member allows the odor prevention and reuse (recycling) by the fungal bacteria incubation.

The bead portion is formed in the thin plate member to prevent bending due to wind pressure, and the bent portion is formed at the end portions of the first and second doors of the thin plate member, so that even if the thin plate member is bent due to wind pressure, the first and second In the process of sliding the door portion is not caught on each vent side to prevent interference.

In addition, by forming the interval between the plurality of gear grooves formed in the thin plate member to at least 3mm or more to be larger than the width of the single gear groove, the breakage of the thin plate member is prevented and durability is improved.

In addition, an extension part is formed at one end of the first door part to extend a section engaged with the gear part of the gear shaft, so that the gear shaft can be moved to a lower space (down the sliding direction) with a larger space. The installation of the shaft is more free.

1 is a cross-sectional view showing a conventional vehicle air conditioner,
2 is a perspective view showing a mode door in FIG.
3 is a perspective view illustrating a state in which the air conditioning case is disassembled in the vehicle air conditioner according to the present invention;
4 is a perspective view showing a mode door in a vehicle air conditioner according to the present invention;
5 is a view showing an unfolded state of the thin plate member in the vehicle air conditioner according to the present invention,
6 is a perspective view illustrating a case in which an extension part is formed in the first door unit in the vehicle air conditioner according to the present invention;
7 to 11 is a view showing the operating state of the air conditioning mode door in the vehicle air conditioner according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a perspective view showing the disassembled air conditioning case in a vehicle air conditioner according to the present invention, Figure 4 is a perspective view showing a mode door in a vehicle air conditioner according to the present invention, Figure 5 is a vehicle air conditioner according to the present invention Figure 6 is a view showing an unfolded state of the thin plate member, Figure 6 is a perspective view showing a case in which the extension portion is formed in the first door in the vehicle air conditioner according to the present invention, Figures 7 to 11 is a vehicle air conditioner according to the present invention Is a view showing the operating state of the mode door for each air conditioning mode.

As shown, the vehicle air conditioner 100 according to the present invention, the defrost vent 112, the face vent 113, the floor vent 114 to discharge the air blown from the blower 111 to the vehicle interior side ), An evaporator 101 and a heater core 102 installed at a predetermined interval on an air passage inside the air conditioning case 110, the evaporator 101 and the heater core ( And installed between the 102 and the temperature control door 120 for adjusting the opening degree of the cold air passage (P1) and bypass the hot air passage (P2) passing through the heater core 102 and bypass the heater core (102) and It is installed in the air conditioning case 110 is configured to include a mode door 130 for opening and closing the vent (112, 113, 114).

The air conditioning case 110, the structure is changed depending on the type of the center mounting type air conditioner, semi-center type air conditioner, three-piece type air conditioner, left, right independent air conditioner, etc. Hereinafter, in the present invention, the center mounting The type will be described as an example.

The air conditioning case 110 is provided with a blower 111 upstream of the evaporator 101 in the air flow direction, and the defrost vent 112 and the face downstream of the evaporator 101 and the heater core 102. The vent 113 and the floor vent 114 are formed.

One side of the blower 111 is provided with an intake duct (not shown) to selectively introduce the internal and external air, the intake duct is formed with an internal, outdoor air inlet (not shown), the internal and outdoor air inlet Internal and external air switching doors (not shown) are provided to open and close the doors.

Accordingly, the blower 111 selectively blows the inside or outside air through the intake duct to blow the inside of the air conditioning case 110.

In addition, the air introduced into the air conditioning case 110 by the blower 111 is discharged to a specific part of the vehicle interior through the vents 112, 113, 114, the defrost vent 112 is the windshield of the vehicle The air vent is discharged toward the face vent 113, and the face vent 113 discharges air toward the face of the front occupant, and the floor vent 114 discharges air toward the occupant's foot.

The face vent 113 is divided into a center vent 113a and a side vent 113b. That is, the center vent 113a is configured to discharge air to the center of the vehicle interior at the inner center side of the face vent 113. ) Is formed, and side vents 113b are formed at both sides of the center vent 113a to discharge air to both sides of the vehicle interior. In this case, the center vent 113a and the side vent 113b are partitioned from each other by a plurality of partition walls 113c.

A partition wall 113c is also formed in the center of the center vent 113a. In this way, the inside of the face vent 113, the center vent (113a) and the side vents (113b) formed on both sides of the center vent (113a) partitions of the two partition walls (113c) and the center vent (113a) One partition wall 113c formed in the center and three partition walls 113c in total are formed.

In addition, the floor vent 114 is branched into a front seat vent 114a for discharging air toward the front occupant's foot and a rear seat vent 114b for discharging air toward the rear occupant's foot. It is.

Meanwhile, a partition wall 115 is formed between the rear side hot air passage P2 of the heater core 102 and the mixing region MC in which cold and hot air are mixed, and the floor vent 114 to partition each other. have.

In addition, the temperature control door 120 and the mode door 130 is connected to the actuator (not shown) installed on the outer surface of the air conditioning case 110 and the like while rotating the cold, hot air passage (P1) (P2) and The openings of the vents 112, 113, and 114 are adjusted.

The mode door 130 is a gear shaft 140 installed inside the air conditioning case 110 and a thin plate member 150 that opens and closes the vents 112, 113, and 114 while sliding in engagement with the gear shaft 140. Is done.

Gear parts 141 are formed on both end sides of the gear shaft 140, and end portions of the gear shaft 140 outside the gear part 141 are rotatably coupled to both side surfaces of the air conditioning case 110. do.

In addition, guide rail grooves 116 are formed on both side surfaces of the air conditioning case 110 to slidably support both ends of the thin plate member 150.

The guide rail groove 116 is formed to have a predetermined curvature in the direction of the gear shaft 140, and is formed to contact all of the inlet side (upstream side) of the vents 112, 113, 114 in the air flow direction.

Therefore, the thin plate member 150 is to be able to open and close each vent (112, 113, 114) while sliding along the guide rail groove (116).

At this time, the thin plate member 150 is formed of a single film material, it is preferably formed to a thickness of 0.3T ~ 1.2T to bend smoothly along the guide rail groove 116.

The thin plate member 150 is formed by integrally forming the first door part 151, the second door part 152, and the bridge part 153 by a single film material.

As such, by using a single film material, the overall structure of the mode door 130 is simple, which can reduce the number of parts, weight and cost, improve durability, as well as reduce the size of the air conditioning apparatus, Owing to the use of film materials, it is possible to prevent odor and reuse (recycling) due to mold fungi.

The first door part 151 may be formed to close at least two vents of the defrost vent 112, the face vent 113, and the floor vent 114. That is, the length L1 of the sliding direction of the first door part 151 is formed to have a size capable of simultaneously closing two adjacent vents of the vents 112, 113, and 114, and of course, the first door part 151 is half. If the maximum sliding clockwise it is possible to close only one vent, that is, the defrost vent (112).

Meanwhile, the first door part 151 is formed to have a size capable of simultaneously closing the defrost vent 112 and the face vent 113, or simultaneously closing the face vent 113 and the floor vent 114.

The second door part 152 is formed to be spaced apart from the first door part 151 by a predetermined distance in the sliding direction and to close at least one of the vents 112, 113, and 114.

That is, the second door part 152 is formed to have a size in which the sliding direction length L2 can close one of the vents 112, 113, and 114, and the second door part 152 has the floor. It is preferable that the vent 114 be formed to a size capable of closing the vent 114.

As such, the length L1 of the sliding direction of the first door part 151, which should be able to close two vents among the vents 112, 113, and 114, may close one vent among the vents 112, 113, and 114. It is formed larger than the sliding direction length (L2) of the second door portion 152 to be.

 In addition, the width W2 of the second door part 152 is smaller than the width W1 of the first door part 151 in the axial direction of the gear shaft 140.

That is, a vehicle structure (not shown) is installed on both sides of the floor vent 114 to the outside of the air conditioning case 110 in which the floor vent 114 is positioned, so that interference with the vehicle structure does not occur. 3, the width of the floor vent 114 is smaller than the width of the defrost vent 112 and the face vent 113, and thus, the second door part closing the floor vent 114 may be formed. The width W2 of the 152 is smaller than the width W1 of the first door part 151 closing the defrost vent 112 and the face vent 113.

If the width of the floor vent 114 is the same as the width of the defrost vent 112 and the face vent 113, the width W2 of the second door part 152 is the first door. It is formed equal to the width W1 of the portion 151.

In addition, the bridge part 153 is formed to integrally connect the first door part 151 and the second door part 152 spaced apart from each other by a predetermined interval.

The bridge portion 153 is formed at positions corresponding to the plurality of partition walls 113c formed to partition the center vent 113a and the side vent 113b inside the face vent 113.

As described above, since three partition walls 113c are formed in the face vent 113, three bridge portions 153 are also formed, and the bridge portion 153 includes the three partition walls ( 113c) to the bottom side.

In addition, the first door part 151 and the second door part 152 in the thin plate member 150 to open at least one of the vents 112, 113, and 114 according to the sliding position of the thin plate member 150. An opening 154 is formed in between.

The opening part 154 is formed by a bridge part 153 connecting the first door part 151 and the second door part 152, and an opening part 154 between the plurality of bridge parts 153. Is formed by dividing.

On the other hand, the opening portion 154 is preferably formed to have a size that can open one vent, in this case, when the opening portion 154 is positioned to span each of the two vents, each of the two vents You can open it too.

The first door part 151 and the second door part 152 are formed at the end in the sliding direction at the end of the bent portion 156 bent at an angle in the direction of the gear shaft 140 is formed.

That is, when the bent portion 156 is formed in each end of the first and second door parts 151 and 152 inwards, the thin plate is formed by the air pressure of air flowing in the air conditioning case 110. Even if bending occurs in the member 150, the first and second doors 151 and 152 are not caught by the vents 112, 113, and 114 in the sliding process.

In addition, the thin plate member 150 is preferably formed with a bead portion 155 bent surface to prevent the bending caused by the wind pressure inside the air conditioning case (110).

The bead part 155 may be formed at the end side and the center side in the sliding direction of the first and second door parts 151 and 152.

In addition, grooves 157 are formed at both ends of the bridge portion 153 connected to the first and second door portions 151 and 152 to smoothly bend the bending portion 156 and prevent tearing. ) Is formed.

The recess 157 is formed in a semicircular shape.

In addition, at both ends of the first door part 151, a plurality of gear grooves 151 a are spaced apart from each other at regular intervals in the sliding direction of the thin plate member 150 to be engaged with the gear part 141 of the gear shaft 140. It is formed through.

The distance S1 between the gear grooves 151a is formed to be larger than the width S2 of the single gear groove 151a, thereby preventing the thin plate member 150 from breaking. At this time, the interval (S1) between each of the gear grooves (151a) is preferably formed to be at least 3mm or more to prevent break of the thin plate member (150).

In addition, one end of the first door part 151 facing the second door part 152 may extend the second door part 152 to engage with the gear part 141 of the gear shaft 140. The extension part 158 is formed to extend a certain length to the side) and the plurality of gear grooves 151a are formed therethrough.

As the number of the gear grooves 151a formed in the second door part 152 is increased in the sliding direction by the extension part 158, the section in which the gear part 141 of the gear shaft 140 is engaged also increases. (Extended)

As such, when the extension part 158 is formed in the first door part 151 to extend the engagement with the gear part 141 of the gear shaft 140, the gear shaft 140 of FIG. 7 is installed. Installation of the gear shaft 140 becomes more free, such as being able to move the position to a wider space (downward in the sliding direction).

On the other hand, the temperature control door 120 installed between the evaporator 101 and the heater core 102 is composed of a gear shaft and a thin plate member, such as the mode door 130 to reduce the size of the air conditioning apparatus (100) can do. That is, the temperature control door 120 is engaged with the gear shaft 121 and the gear shaft 121 rotated by an actuator (not shown), and the inside of the air conditioning case 110 when the gear shaft 121 rotates. It consists of a thin plate member 122 for adjusting the opening degree of the cold air passage (P1) and the warm air passage (P2) while sliding up and down.

Hereinafter, each air conditioning mode of the vehicle air conditioner according to the present invention will be described, and for convenience, it will be described with reference to the time when the cooling mode.

end. Face mode

In the face mode, as illustrated in FIG. 7, the first door part 151 of the thin plate member 150 closes the defrost vent 112 by the rotation operation of the gear shaft 140, and the second door part 152. The floor vent 114 is closed, and the open part 154 of the thin plate member 150 is positioned in the face vent 113 to open the face vent 113.

Therefore, the air blown by the blower 111 changes into cold air while passing through the evaporator 101.

The cold air cooled while passing through the evaporator 101 bypasses the heater core 102 by the temperature control door 120 and then passes through the face vent 113 opened by the thin plate member 150. It is discharged toward the passenger's face in the room.

I. Floor mode

In the floor mode, as shown in FIG. 8, the gear shaft 140 rotates a predetermined angle clockwise at the face mode position, such that the first door part 151 of the thin plate member 150 has a defrost vent 112 and a face. Simultaneously closing the vent 113, the opening 154 of the thin plate member 150 is located in the floor vent 114 to open the floor vent 114.

Here, the second door part 152 is lowered to a position overlapping with the partition wall 115 partitioning the mixing area MC and the floor vent 114.

Therefore, the air blown by the blower 111 changes into cold air while passing through the evaporator 101.

The cold air cooled while passing through the evaporator 101 bypasses the heater core 102 by the temperature control door 120 and then passes through the floor vent 114 opened by the thin plate member 150. It is discharged to the passenger's foot in the room.

All. Defrost mode

In the defrost mode, as shown in FIG. 9, the gear shaft 140 additionally rotates at an angle in a clockwise direction from the floor mode position, such that the first door part 151 of the thin plate member 150 is provided with a face vent 113. The floor vent 114 is closed at the same time, and the defrost vent 112 is opened because the first door part 151 is out of the defrost vent 112.

Here, the second door part 152 and the opening part 154 are lowered to a position overlapping with the partition wall 115 partitioning the mixing area MC and the floor vent 114.

Therefore, the air blown by the blower 111 changes into cold air while passing through the evaporator 101.

The cold air cooled while passing through the evaporator 101 passes through the heater core 102 by the temperature control door 120 and then through the defrost vent 112 opened by the thin plate member 150. It is fed to a glass window in the cabin to remove frost.

la. Bi-level mode and mix mode

Bi-level mode is briefly described with reference to FIG. 10, the opening 154 of the thin plate member 150 is positioned to span the face vent 113 and the floor vent 114 so that the face vent 113 and the floor vent are positioned. The mode of opening 114 at the same time,

In the mixed mode, as shown in FIG. 11, as the center of the first door part 151 of the thin plate member 150 is located at the face vent 113 side, the face vent 113 is closed and the defrost vent 112 is closed. It is the mode which opens the floor vent 114 simultaneously.

As described above, the present invention has been described only in the case where the configuration of the thin plate member 150 is applied to the center mounting type air conditioner, but is not limited thereto, semi-center type air conditioner, three-piece type air conditioner, left It can be applied to various air conditioning equipment such as independent air conditioning equipment in the same way and the same effect can be obtained.

100: air conditioner 101: evaporator
102: heater core 110: air conditioning case
111: blower
112: Dipot Provent 113: Face Vent
114: floor vent 115: partition wall
116: guide rail groove
120: temperature control door
130: mod door 140: gear shaft
141: gear portion 150: thin plate member
151: first door portion 151a: gear groove
152: second door portion 153: bridge portion
154: opening portion 155: bead portion
156: bending portion 157: groove
158: extension

Claims (11)

An air conditioning case (110) having a defrost vent (112), a face vent (113), and a floor vent (114) for discharging the air blown from the blower (111);
An evaporator 101 and a heater core 102 installed on an air passage in the air conditioning case 110;
And a mode door 130 including a gear shaft 140 installed inside the air conditioning case 110 and a thin plate member 150 that opens and closes the vents 112, 113, and 114 while slidingly engaged with the gear shaft 140. In the vehicle air conditioner made,
The thin plate member 150 may be spaced apart from the first door part 151 and the first door part 151 by a predetermined distance in a sliding direction to close at least two of the vents 112, 113, and 114. The second door part 152 formed to close at least one of the vents 112, 113, and 114, and the bridge part 153 formed to connect the first door part 151 and the second door part 152. ),
In the sliding direction of the first door part 151 and the second door part 152, a bent part 156 bent at an angle in the direction of the gear shaft 140 is formed, and the first and second doors are formed. When the parts 151 and 152 are slid, the parts 151 and 152 are not caught by the vents 112, 113 and 114.
Groove portions 157 are formed at both ends of the bridge portion 153 connected to the first and second door portions 151 and 152 to smoothly bend the bending portion 156 and prevent tearing. Vehicle air conditioning apparatus, characterized in that formed. The method of claim 1,
Between the first door part 151 and the second door part 152 in the thin plate member 150 to open at least one of the vents 112, 113, and 114 according to the sliding position of the thin plate member 150. Vehicle air conditioning apparatus, characterized in that the opening portion 154 is formed in. The method of claim 1,
The face vent 113 is composed of a center vent 113a configured at the center side by a plurality of partition walls 113c formed therein, and side vents 113b configured at both sides of the center vent 113a. ,
The bridge unit (153), the vehicle air conditioner, characterized in that formed in the position corresponding to the plurality of partition walls (113c), respectively. delete delete delete An air conditioning case (110) having a defrost vent (112), a face vent (113), and a floor vent (114) for discharging the air blown from the blower (111);
An evaporator 101 and a heater core 102 installed on an air passage in the air conditioning case 110;
And a mode door 130 including a gear shaft 140 installed inside the air conditioning case 110 and a thin plate member 150 that opens and closes the vents 112, 113, and 114 while slidingly engaged with the gear shaft 140. In the vehicle air conditioner made,
The thin plate member 150 may be spaced apart from the first door part 151 and the first door part 151 by a predetermined distance in a sliding direction to close at least two of the vents 112, 113, and 114. The second door part 152 formed to close at least one of the vents 112, 113, and 114, and the bridge part 153 formed to connect the first door part 151 and the second door part 152. ),
Gear parts 141 are formed at both ends of the gear shaft 140,
A plurality of gear grooves 151a are formed at both ends of the first door part 151 to be spaced apart from each other by a predetermined interval in the sliding direction of the thin plate member 150 to be engaged with the gear part 141. The interval S1 between the 151a is formed larger than the width S2 of the single gear groove 151a to prevent the thin plate member 150 from breaking,
One end of the first door part 151 facing the second door part 152 is extended toward the second door part 152 so as to extend a section engaging with the gear part 141 of the gear shaft 140. The air conditioner for a vehicle, characterized in that a predetermined length is extended and an extension portion 158 is formed through which a plurality of gear grooves 151a are formed. The method of claim 1,
The sliding length L1 of the first door part 151 is larger than the sliding length L2 of the second door part 152. The method of claim 1,
The width W2 of the second door portion 152 in the axial direction of the gear shaft 140 is smaller than the width W1 of the first door portion 151, characterized in that the vehicle air conditioner. The method of claim 1,
The thin plate member 150 is a vehicle air conditioning apparatus, characterized in that the bead portion 155 is formed to bend the surface to prevent the bending caused by the wind pressure inside the air conditioning case (110). The method of claim 1,
The first door part 151 and the second door part 152 and the bridge part 153 of the thin plate member 150 is formed of a single film material.

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