KR20130067559A - Air conditioner for vehicle - Google Patents

Abstract

PURPOSE: A car air conditioning device which is capable of reducing actuating force of a gear shaft is provided to reduce actuating force of a gear shaft which actuating a thin plate member, and to improve the strength of the thin plate member, thereby preventing damage of the thin plate. CONSTITUTION: A car air conditioning device an air conditioner case(110), a thin plate member(150), and a door(105). The air conditioner case is formed with an air inlet on one side, and with multiple air outlets(116) on the other side to discharge the flowed-in air. The thin plate is formed with a rail unit on both end parts to be connected to both sides inside the air conditioner case. The door is rotatably installed on both sides in the air conditioner case to actuate the thin plate member, and composed of a gear shaft(140) which is interlocked with the thin plate member.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLE}

The present invention relates to an air conditioner for a vehicle, and more particularly, in the construction of a door with a thin plate member sliding inside the air conditioning case and a gear shaft for operating the thin plate member, a part of the contact surface of the thin plate member and the air conditioning case. It relates to a vehicle air conditioner formed with a plurality of grooves that are non-contact portion in the section.

The air conditioning system for a vehicle includes a cooling system for cooling the interior of the vehicle and a heating system for heating the interior of the vehicle.

In the cooling system, by the heat exchange between the refrigerant circulated to the compressor again through the condenser, the receiver dryer, the expansion valve, and the evaporator by the compressor, and the blowing air passing through the evaporator surface by the blower, And is discharged to the inside of the vehicle, thereby cooling the inside of the vehicle.

Further, the heating system is configured to heat the vehicle interior by introducing the cooling water into the heater core and exchanging heat with the blower.

Such a vehicle air conditioner can be largely divided into three types.

One example is a three piece type air conditioner in which a blower unit, an evaporator unit, and a heater unit are each composed of separate units. In the case of this air conditioner, As a result, not only the utilization of the interior space of the vehicle is lowered but also the productivity is lowered.

Accordingly, in order to increase the efficiency of the vehicle interior space, there has been a demand for miniaturization of the vehicle air conditioner. In response to this demand, recently, an air conditioner of a semi-center mounting type in which an evaporator unit and a heater unit are integrated The application of a center mounting type air conditioner having an integrated blower unit, an evaporator unit, and a heater unit is increasing.

FIG. 1 shows an example of a conventional semi-center type air conditioner for a vehicle, wherein the illustration of the blower unit is omitted.

The air conditioner 1 for the vehicle shown in FIG. 1 has an air-conditioning case in which a defrost vent 11, a face vent 12, and a floor vent 13 whose openings are adjusted by mode doors 14 and 15 at an outlet ( 10); A blower (not shown) connected to the inlet of the air conditioning case 10 to blow inside or outside air; An evaporator (2) and a heater core (3) embedded in the air conditioning case (10); And it comprises a temperature control door 20 for adjusting the amount of mixing the cold through the evaporator (2) and the warmth through the heater core (3).

Here, the temperature control door 20 and the mode doors 14 and 15 are provided with a flat type, a dome type, a sliding type, and the like. The case where the door 20 and the mode door 14 are installed is shown.

The temperature control door 20 includes a sliding door 21 slidably installed in sliding grooves 16 formed on both inner sides of the air conditioning case 10 and having gear portions 21a formed on one side thereof, A gear portion 22a is formed to be rotatably coupled to a through hole (not shown) formed on both sides of the case 10 and to be engaged with the gear portion 21a of the sliding door 21, And a gear shaft 22 that operates.

The temperature control door 20 is to adjust the opening degree of the cold air passage (P1) and the hot air passage (P2) to adjust the amount of mixing the cold and hot air.

In addition, the mode door 14 also has a structure similar to the temperature control door 20, briefly described, the sliding door (14a) is slidably coupled to both sides of the interior of the air conditioning case 10, and It is composed of a gear shaft (14b) rotatably installed on both sides of the interior of the air conditioning case 10 to operate the sliding door (14a) is engaged with the sliding door (14a).

Meanwhile, FIG. 1 illustrates an example in which the flat mode door 15 is installed together with the sliding mode door 14.

According to the vehicle air conditioner 1 configured as described above, when the maximum cooling mode is activated, the temperature control door 20 opens the cold air passage P1 and closes the warm air passage P2. In addition, when the maximum heating mode is activated, the temperature control door 20 closes the cold air passage P1 and opens the warm air passage P2.

Therefore, when the maximum cooling mode is activated, the air blown by the blower not shown is heat exchanged with the refrigerant flowing through the inside of the evaporator 2 while passing through the surface of the evaporator 2 to be changed into cold air, and then the cold air passage Flow through the P1 to the Mixing Chamber (MC), through the vent opened by the mode door according to the air discharge mode (vent mode, floor mode, defrost mode, bi-level mode, mix mode) By being discharged to the vehicle interior, cooling of the vehicle interior is performed.

In addition, when the maximum heating mode is activated, the blowing air is exchanged with the cooling water flowing inside the heater core 3 while passing through the heater core 3 through the hot air passage (P2) to the warm air, and then the mixing chamber ( Flows toward MC), and is discharged to the vehicle interior through a vent opened by the mode door according to the air discharge mode, thereby heating the vehicle interior.

On the other hand, when a cooling mode other than the maximum cooling mode, that is, 1/2 cooling mode is operated, as shown in Figure 1, the temperature control door 20 is rotated to a neutral position, the cooling air passage (P1) And open all of the warm air passages (P2). Accordingly, the cold air passing through the evaporator 2 and the warm air passing through the heater core 3 flow and mix toward the mixing chamber MC, and are discharged into the vehicle interior through the vent opened by the mode door according to the air discharge mode. .

However, when the sliding type temperature control door 20 and the mode door 14 are operated, in particular, when the sliding mode door 14 is operated, the area in contact with the air conditioning case 10 is large, so that the frictional part is increased. This causes a problem that the operating force is increased when the mode door 14 is operated.

In addition, since the thickness of the sliding door 14a is thin, there is a problem that the strength of the door is lowered as well as broken.

An object of the present invention for solving the above-described problems in the construction of the door by the sliding shaft and the gear shaft for operating the thin plate member to operate the inner side of the air conditioning case, a portion of the contact surface of the thin plate member and the air conditioning case By forming a plurality of grooves, which are non-contacting portions, the contact area between the thin plate member and the air conditioning case is minimized, thereby reducing the operating force of the gear shaft for operating the thin plate member and improving the strength of the thin plate member by the plurality of groove structures. In order to provide a vehicle air conditioning apparatus that can prevent damage.

The present invention for achieving the above object, the air inlet is formed on one side and the air-conditioning case formed with a plurality of air outlets to discharge the air introduced on the other side, and the rails at both ends to be slidably coupled to both sides in the air conditioning case An air conditioner for a vehicle, comprising: an additionally formed thin plate member and a door configured to be rotatably installed on both sides of the air conditioning case so as to operate the thin plate member, and a gear shaft engaged with the thin plate member. In order to reduce the contact area between the case, the non-contact portion is formed in a portion of the contact surface between the thin plate member and the air conditioning case.

According to the present invention, in forming a door with a thin plate member sliding inside the air conditioning case and a gear shaft for operating the thin plate member, by forming a plurality of grooves which are non-contact portions in a part of the contact surface of the thin plate member and the air conditioning case, The contact area between the thin plate member and the air conditioning case is minimized, thereby minimizing friction, thereby reducing the operating force of the gear shaft for operating the thin plate member.

In addition, when the operating force of the gear shaft is reduced, it is possible to extend the life by reducing the load of the actuator when the gear shaft is driven by the actuator, the operator's feeling of operation when the gear shaft is operated directly by the occupant with the cable type controller Can improve.

Then, the thin plate member is formed in a thin thickness, by adding the plurality of groove structures to the thin plate member, it is possible to improve the strength of the thin plate member to prevent breakage.

1 is a sectional view showing a conventional automotive air conditioner,
Figure 2 is a perspective view showing the inside of the air conditioning case in a vehicle air conditioner according to the present invention,
3 is a partial perspective view showing an upper portion of an air conditioning case in a vehicle air conditioner according to the present invention;
4 is a sectional perspective view showing part A of FIG. 3;
5 is a perspective view showing a mode door in a vehicle air conditioner according to the present invention;
6 to 10 is a view showing the operating state of the mode door for each air discharge mode 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.

As shown, the vehicle air conditioner 100 according to the present invention, the air inlet 111 is formed on one side (inlet side) and the plurality of air outlet 116 to discharge the air introduced to the other side (outlet side) Is provided, the air conditioning case 110, the evaporator 101 and the heater core 102 are installed at a predetermined interval on the air passage (110c) inside the air conditioning case 110, and the air reservoir in the air conditioning case 110 It comprises a door (105c) for adjusting the opening degree of the furnace (110c) or the air discharge port (116).

Here, the door 105 is installed on the air passage (110c) between the evaporator 101 and the heater core 102 in the air conditioning case 110, the cold air to bypass the heater core (102) The temperature control door 120 for adjusting the opening degree of the hot air passage (P2) passing through the passage (P1) and the heater core 102 and the air discharge port 116 in the air conditioning case 110 is installed It is composed of a mode door 130 for adjusting the opening degree of the plurality of air discharge port (116).

In addition, the air conditioning case 110 is formed by assembling left and right cases 110a and 110b, which are divided left and right.

In addition, the air inlet 111 of the air conditioning case 110 selectively introduces inside or outside air through an inside and outside air inlet (not shown) and an outside air inlet (not shown) that are opened and closed by an internal and outdoor air conversion door (not shown). A blower (not shown) for blowing air is installed.

The plurality of air discharge ports 116 may include a defrost vent 112 for discharging air toward the windshield of the vehicle, a face vent 113 for discharging air toward the face of the front occupant, and Floor vents 114 and 115 for ejecting air to the feet are formed in turn.

The face vent 113 is divided into a center vent 113a and a side vent 113b. That is, the center vent 113a is provided with a center vent 113a for discharging air to the center of the vehicle interior. Side vent 113b is formed on 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 partitions 113c.

The floor vents 114 and 115 are branched into a front seat vent 114 for discharging air toward the front occupant's foot and a rear seat vent 115 for discharging air toward the rear occupant's foot. .

Meanwhile, a partition wall 117 is formed between the rear side warm air passage P2 of the heater core 102 and the floor vents 114 and 115 to partition each other.

The temperature control door 120 and the mode door 130 are connected to an actuator (not shown) or a cable type controller 160 installed on the outer surface of the air conditioning case 110 while operating the cold and hot air passages ( P1) (P2) and the opening degree of each of the vents 112 to 115 are adjusted.

Hereinafter, for convenience, the case where the door 105 is a mode door 130 will be described as an example, and the same may be applied to the temperature control door 120.

The mode door 130 is composed of a gear shaft 140 and a thin plate member 150.

The gear shaft 140 is rotatably installed on both sides of the air conditioning case 110, and a gear portion 141 is formed at both ends of the gear shaft 140. At this time, the gear shaft 140 is rotatably coupled to both opposite sides of the inside of the air conditioner case 110 at the outer end of the gear unit 141.

The gear portion 141 of the gear shaft 140 is engaged with the gear groove 155a formed in the rail portion 155 of the thin plate member 150 described later.

Here, the gear shaft 140 is preferably disposed below the face vent 113 of the plurality of air discharge port 116. That is, by arranging the gear shaft 140 on the lower side of the face vent 113 which is the center of the movement path of the thin plate member 150 sliding between the defrost vent 112 and the floor vents 114 and 115. , Can stably support the thin plate member 150 over the entire air discharge mode.

The thin plate member 150 is formed in a curved shape and while slidingly engaged with the gear part 141 of the gear shaft 140 to adjust the opening degree of each of the vents 112 to 115.

A rail portion 155 is formed at both ends of the thin plate member 150 so as to be slidably engaged with both sides of the air conditioner case 110. The rail portion 155 is provided with gear portions 141 A plurality of gear grooves 155a are formed in the sliding direction of the thin plate member 150. As shown in FIG.

In addition, a rail groove 118 is formed on an inner side surface of the air conditioning case 110 facing the rail part 155 of the thin plate member 150 to slidably support an end of the rail part 155.

On the other hand, since the air conditioning case 110 is configured by the assembly of the left and right cases (110a, 110b) is divided, the rail groove portion 118 is opposed to both rail portions 155 of the thin plate member 150 It is formed on the inner surface of the left and right cases 110a and 110b, respectively.

Due to this, the mode door 130 is supported between the rail grooves 118 formed in the left and right cases 110a and 110b. That is, the thin plate member 150 of the mode door 130 is supported between the rail groove portions 118 formed in the left and right cases 110a and 110b.

The thin plate member 150 and the rail groove 118 are formed to have the same radius, and the thin plate member 150 is installed to be in close contact with the air discharge port 116.

Therefore, when the gear shaft 140 rotates, the thin plate member 150 may slide along the rail groove 118 to adjust the opening degree of each of the vents 112 to 115.

In addition, the thin plate member 150 and the rail groove 118 is formed to have the same radius, that is, the same curvature, thereby preventing the thin plate member 150 from being deformed during the sliding operation of the thin plate member 150.

The thin plate member 150 is formed by injection molding with a plastic material, and it is preferable that the thin plate member 150 is formed as thin as possible as long as it does not cause problems in operation and durability.

The thin plate member 150 is formed by integrally forming the first door portion 151, the second door portion 152, and the bridge portion 153.

As such, by using a single thin plate member 150, the overall structure of the mode door 130 is simple to reduce the number of parts, weight and cost and improve durability, as well as to reduce the size of the air conditioning apparatus (100) In addition, due to the use of a single thin plate member 150, it is possible to prevent odors and reuse (recycling) by the fungal bacteria format.

The first door part 151 may be configured to close at least two vents of the defrost vent 112, the face vent 113, and the floor vents 114 and 115. That is, the sliding direction length of the first door unit 151 is formed to a size that can close the two adjacent vents of the vents 112 to 115 at the same time, of course, the first door unit 151 is counterclockwise In the maximum sliding direction, it is also possible to close only one vent, that is, the defrost vent 112.

Meanwhile, the first door part 151 may be formed to have a size capable of closing the defrost vent 112 and the face vent 113 at the same time, or simultaneously closing the face vent 113 and the floor vents 114 and 115. desirable.

The second door part 152 is formed to be spaced apart from the first door part 151 by a predetermined interval in the sliding direction and to close at least one of the vents 112 to 115.

That is, the second door part 152 is formed to have a size in which the sliding direction length can close one of the vents 112 to 115, and the second door part 152 is the floor vent. It is desirable to form a size that can close the (114, 115).

As such, the sliding direction length of the first door part 151 which should be able to close two vents of each of the vents 112 to 115 may close one vent of each of the vents 112 to 115. It is to be formed larger than the length of the sliding direction of the second door portion 152 to be able to.

The bridge portion 153 is formed to integrally connect the first door portion 151 and the second door portion 152, which are spaced apart from each other by a predetermined distance.

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

The first door part 151 and the second door part 152 are formed on the thin plate member 150 so that the openings of the vents 112 to 115 can be adjusted according to the sliding position of the thin plate member 150. [ An opening 154 is formed through the through-hole.

The opening portion 154 is formed by a bridge portion 153 connecting the first door portion 151 and the second door portion 152. An opening 154 is divided between the plurality of bridge portions 153 Respectively.

On the other hand, the opening 154 is preferably formed to have a size that can open one vent, in this case, when the opening 154 is positioned so as to span the two vents, each of the two vents are partially opened. You may.

A sealing wall 118a is formed on an inner surface of the air conditioning case 110 at one side of the rail groove 118 so as to cover a gear groove 155a formed through the rail portion 155 of the thin plate member 150 , Thereby preventing air from leaking through the penetrated gear groove 155a of the thin plate member 150. [

At this time, the sealing wall 118a is formed to be in close contact with one side of the rail portion 155 of the thin plate member 150 to close the gear groove 155a of the thin plate member 150.

In addition, the thin plate member 150 is the air leakage of the air flowing through the interior of the air conditioning case 110, the rail portion 155 is in close contact with the sealing wall 118a of the air conditioning case 110, the leakage of air Will be prevented.

On the other hand, the thin plate member 150 and the air conditioning case 110 is in surface contact with each other, that is, the upper surface (wide surface) and the upper surface of the thin plate member 150 and the thin plate member 150 Inner surfaces of the air conditioning case 110 facing each other are in surface contact with each other.

At this time, the upper surface of both rail portions 155 of the thin plate member 150 is in surface contact with the sealing wall 118a of the air conditioning case 110 to secure sealing properties, but between the rail portions 155 The thin plate member 150 and the air conditioning case 110 of the section are also in contact with each other to generate unnecessary friction, thereby increasing the operating force of the gear shaft 140 to operate the thin plate member 150.

Therefore, the present invention, the contact area between the thin plate member 150 and the air conditioning case 110 to reduce friction by reducing the contact area between the thin plate member 150 and the air conditioning case 110 non-contact portion ( 170) is formed.

The non-contact portion 170 may form a recess 171 having a predetermined depth on a contact surface of the thin plate member 150 contacting the air conditioning case 110, or may contact the thin plate member 150. It may be made by forming a recess 175 of a predetermined depth on the side contact surface.

That is, the non-contact portion 170 may be formed on only one of the contact surfaces of the thin plate member 150 side contact surface and the air conditioning case 110 side contact surface, or may be formed on both contact surfaces.

In the drawings, grooves 171 and 175 are formed in the contact surface of the thin plate member 150 and the air conditioning case 110, respectively. In this case, the contact surfaces of the thin plate member 150 and the air conditioning case 110 are illustrated. Grooves 171 and 175 having a predetermined depth are formed in opposite directions.

In addition, the grooves 171 and 175 are formed in plural on the side of the thin plate member 150 and the air conditioning case 110 corresponding to a section between both rail portions 155 of the thin plate member 150.

That is, the grooves 171 formed on the side of the thin plate member 150, are formed in a predetermined depth in the lower direction in the section between the rail portion 155 of the thin plate member 150, a plurality of spaced apart from each other by a predetermined interval,

The groove 175 formed on the air conditioning case 110 is formed to have a predetermined depth in the upper direction on the inner surface of the air conditioning case 110 in contact with the section between both rail portions 155 of the thin plate member 150. , A plurality of spaced apart from each other is formed.

In addition, the grooves 171 and 175 are formed in a trapezoidal shape.

The groove 175 on the side of the air conditioning case 110 is formed on a partition wall 112a for partitioning between the defrost vent 112 and the face vent 113 which are the plurality of air outlets 116.

In addition, the contact surface between the plurality of grooves 171 of the thin plate member 150 is in contact with the air conditioning case 110 forming the air outlet 116 to seal the air.

In the groove 171 formed in the thin plate member 150, a portion of the main body of the thin plate member 150 protrudes toward the upstream side of the air flow direction and is formed on the downstream side of the air flow direction.

Therefore, when the gear shaft 140 is operated to drive the thin plate member 150 in a sliding manner, both rail portions 155 of the thin plate member 150 are connected to the sealing wall 118a of the air conditioning case 110. The surface contact improves sealing,

The section between both rail portions 155 of the thin plate member 150, a plurality of grooves 171 formed in the thin plate member 150 and a plurality of grooves 175 formed on the inner surface of the air conditioning case 110 is Since they are formed in opposite directions to each other, the contact areas are minimized, thereby minimizing friction between the thin plate member 150 and the air conditioning case 110, thereby reducing the operating force of the gear shaft 140.

As such, when the operating force of the gear shaft 140 is reduced, when the gear shaft 140 is driven by the actuator 160, the load of the actuator 160 can be reduced to extend the life, and the gear shaft 140 ) If the passenger directly operates the cable type controller (not shown), the operation feeling of the passenger is improved.

In addition, the thin plate member 150 is formed to a thin thickness, by adding the structure of the plurality of grooves 171 to the thin plate member 150, it is possible to improve the strength of the thin plate member 150 to prevent breakage. .

In addition, the width W of the rail groove 118 is the thin plate member so as to minimize friction between the rail groove 118 of the air conditioning case 110 and the rail 155 of the thin plate member 150. It is formed larger than the thickness of 150, a plurality of friction reduction is mounted on one side of the rail groove 118 on the lower surface of the rail portion 155 of the thin plate member 150 inserted into the rail groove portion 118 The protrusion 159 is formed.

In this case, the friction reducing protrusion 159 is formed along the rail portion 155 of the thin plate member 150 by a predetermined interval spaced apart.

Accordingly, the plurality of friction reducing protrusions 159 formed on the lower side of the rail part 155 of the thin plate member 150 is in linear contact with one side of the rail groove 118 during the sliding operation of the thin plate member 150. The friction between the thin plate member 150 and the rail groove 118 is minimized, thereby further reducing the load of the actuator 160 driving the gear shaft 140, or when operating with a cable type controller There is a further improved operation of the occupant.

Meanwhile, the temperature control door 120 installed between the evaporator 101 and the heater core 102 of the door 105 is geared like the mode door 130 to reduce the size of the air conditioner 100. The shaft 121 and the thin plate member 122 may be configured. That is, the temperature control door 120 is meshed with the gear shaft 121 rotatably installed by both side surfaces in the air conditioning case 110 and the air shaft when the gear shaft 121 rotates while being engaged with the gear shaft 121. 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 the inside of the case 110 up and down.

In addition, the non-contact portion 170 formed between the mode door 130 and the air conditioning case 110 described above may be equally applicable to the temperature control door 120.

Hereinafter, each air discharge mode of the vehicle air conditioner according to the present invention will be described, for convenience, it will be described on the basis of the cooling mode.

end. Vent mode

In the vent mode, as illustrated in FIG. 6, 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. Closes the floor vents 114 and 115, and the opening 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 is changed 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. 7, the gear shaft 140 rotates a predetermined angle clockwise at the vent mode position, such that the first door part 151 of the thin plate member 150 faces the defrost vent 112 and the face. The vent 113 is closed at the same time, and the openings 154 of the thin plate member 150 are positioned in the floor vents 114 and 115 to open the floor vents 114 and 115.

Here, the second door part 152 is lowered to a position overlapping with the partition wall 115.

Therefore, the air blown by the blower is changed into cold air while passing through the evaporator 101.

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 vents 114 and 115 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. 8, the gear shaft 140 additionally rotates a predetermined angle in the clockwise direction from the floor mode position, such that the first door part 151 of the thin plate member 150 has a face vent 113. The floor vents 114 and 115 are 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 154 are lowered to a position overlapping with the partition wall 117.

Therefore, the air blown by the blower is changed into cold air while passing through the evaporator 101.

The cold air cooled through the evaporator 101 bypasses the heater core 102 by the temperature control door 120 and then passes through the defrost vent 112 opened by the thin plate member 150 It is supplied to the windshield of the vehicle interior to remove the windshield.

la. A bi-level mode, and a mix mode

The bi-level mode will be briefly described with reference to FIG. 9. The opening 154 of the thin plate member 150 is positioned to span the face vents 113 and the floor vents 114 and 115 so that the face vents 113 and the floor vents ( 114 and 115 are open at the same time,

In the mixed mode, as shown in FIG. 10, 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. The floor vents 114 and 115 simultaneously open.

As described above, in the present invention, when the non-contact portion 170 is formed to reduce the contact area between the thin plate member 150 and the air conditioning case 110 of the door, the semi-center type air conditioner is applied. Although only described, the present invention is not limited thereto, and can be applied to various air conditioners such as a center mounting type air conditioner, a three-piece type air conditioner, a left and right independent air conditioner, and the same effect can be obtained.

100: air conditioner 101: evaporator
102: heater core 105: door
110: air conditioning case 110a: left case
110b: right case 110c:
111: air inlet
112: Dipot Provent 113: Face Vent
114, 115: Floor vent 116: Air outlet
117: partition wall 118: rail groove
118a: sealing wall
120: temperature control door
130: Mode door 140: Gear shaft
141: gear portion 150: thin plate member
151: first door part 152: second door part
153: bridge portion 154: opening
155: rail part 155a: gear groove
159: friction reducing protrusion 160: actuator
170: non-contact portion 171, 175: groove

Claims (9)

An air inlet 111 is formed at one side and an air conditioning case 110 having a plurality of air outlets 116 formed at the other side to discharge the introduced air;
A thin plate member 150 having a rail portion 155 formed at both ends to be slidably coupled to both side surfaces of the air conditioning case 110, and rotated on both sides of the air conditioning case 110 to operate the thin plate member 150. In the vehicle air conditioner comprising a door 105 composed of a gear shaft 140 engaged with the thin plate member 150 and possibly installed,
In order to reduce the contact area between the thin plate member 150 and the air conditioning case 110, a non-contact portion 170 is formed in a portion of the contact surface between the thin plate member 150 and the air conditioning case 110. Air conditioning system. The method of claim 1,
The non-contact unit 170, the vehicle air conditioner, characterized in that formed by forming a groove (171) of a predetermined depth on the contact surface side of the thin plate member 150 in contact with the air conditioning case (110). The method of claim 1,
The non-contact unit 170, the vehicle air conditioner, characterized in that formed by forming a groove (175) of a predetermined depth on the contact surface side of the air conditioning case 110 in contact with the thin plate member (150). 3. The method of claim 2,
The groove 171 is a vehicle air conditioning apparatus, characterized in that formed in plural in the section between the rail portion 155 of the thin plate member 150. The method of claim 3, wherein
The groove 175 is a vehicle air conditioning apparatus, characterized in that formed on the side of the air conditioning case 110 in contact with the section between the rail portion 155 of the thin plate member 150. 3. The method of claim 2,
Wherein the door (105) is a mode door (130) for sliding the thin plate member (150) according to the air discharge mode to adjust the opening degree of the plurality of air discharge openings (116). The method according to claim 6,
The thin plate member 150 is formed in a curved shape, and the opening 154 is formed through the opening 154 to adjust the opening degree of the plurality of air discharge holes 116,
The groove (171) formed in the thin plate member (150) is a vehicle air conditioning apparatus, characterized in that the main body part surface of the thin plate member (150) protrudes toward the upstream of the air flow direction is formed on the downstream side of the air flow direction. The method of claim 3, wherein
The air conditioning case 110 side groove 175 is formed on a partition wall 112a partitioning between the plurality of air outlets 116, the defrost vent 112 and the face vent 113. Air conditioning system. The method of claim 4, wherein
The contact surface between the plurality of grooves 171 of the thin plate member 150 is in contact with the air conditioning case 110 forming the air outlet 116 to seal the air.

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