KR20130020558A - Air conditioner for vehicle - Google Patents

Abstract

PURPOSE: An air conditioner for a vehicle is provided to make a gear hole with a discharging structure and to reduce a cost by simplifying a structure. CONSTITUTION: An air conditioner for a vehicle comprises an air conditioner(110), a mode door(130), a guide part(118), and a discharging method. An air inlet is formed at one end of the air conditioner and a defrost vent(112), a face vent(113), and floor vents(114,115) are formed for discharging air in which is flowed. The door mode comprise a gear shaft(140) and a thin wall member(150). The gear shaft is rotatably mounted in the air conditioner and has a gear part. The thin wall member is mounted at be capable to slide which is adjacent to each vent side in the air conditioner, and comprises a rail part(155) to control opening angle of each vent. The guide part is overlapped at the rail part of thin wall member inside of the air conditioner for covering the rail part.

Description

Automotive air conditioning unit {AIR CONDITIONER FOR VEHICLE}

The present invention relates to a vehicle air conditioner, and more particularly, the sliding member in the air conditioning case and the sheet member to adjust the opening degree of the defrost vent, face vent, floor vent and the sheet member to operate the sheet member In constructing the mode door with a bite gear shaft, a constant amount of air is always discharged to the side vent side of the face vent by providing a means for discharging the rail part of the thin plate member and an air-conditioning case side guide part formed to overlap the rail part. It relates to a vehicle air conditioner as possible.

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.

In addition, the face vent 12b includes a center vent for discharging air to the center side of the vehicle interior, and side vents formed at both sides of the center vent for discharging air to both sides of the vehicle interior.

The temperature control door 15 and the mode door 16 may include rotation shafts 15b and 16b rotatably installed at both side surfaces of the air conditioning case 10 and one side of the rotation shafts 15b and 16b. It is made of a plate (15a) (16a, 16c) formed in this, in this case, the center pivot door may be used in the mode door 16, the plate (16a, 16c) formed on both sides of the rotating 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 open and close the vents (12a ~ 12d).

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 into cold, and then the mixing chamber (Mixing) through the cold air passage (P1) Chamber, MC) and then discharged to the vehicle interior through the vent (12a ~ 12d) that is opened according to the predetermined air discharge 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 chamber MC, and is then discharged into the vehicle interior through the vents 12a to 12d that are opened according to a predetermined air discharge mode, thereby heating the vehicle interior.

On the other hand, when the cooling mode other than the maximum cooling mode, that is, 1/2 cooling mode is operated, the temperature control door 15 is rotated to the neutral position, the cooling air passage (P1) with respect to the mixing chamber (MC) And open all of the warm air passages (P2). 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 chamber MC, the vehicle interior is opened through the vents 12a to 12d that are opened according to a predetermined air discharge mode. Is discharged.

In addition, a total of three mode doors 16 for opening and closing the defrost vent 12a, the face vent 12b, and the floor vents 12c and 12d are installed. In this case, the face vents 12b as shown in FIG. In the case of the mode door 16 for opening and closing the face vent, the face vent 12b is formed so that the size of the plate 16c for opening and closing the side vent of the face vent 12b is small so that the side vent is not completely closed. The side vent of (12b) always discharges a certain amount of air to remove frost on the glass window.

However, in order to discharge a predetermined amount of air to the side vent of the face vent 12b, the plate 16c formed at both ends of the mode door 16 is formed smaller than the side vents or is separately formed on the plate 16c. There is an inconvenience to form a through hole.

Moreover, in the air conditioning apparatus which uses two or one mode doors to open and close the said defrost vent 12a, the face vent 12b, and the floor vents 12c and 12d, the plate 16c of both ends of the said mode door is carried out. If the portion is formed small, there is a problem in that air is leaked to a certain amount of air to the defrost vent 12a or the floor vents 12c and 12d, and the air conditioning performance is lowered.

An object of the present invention for solving the above-described conventional problems is to engage with the thin plate member to operate the thin plate member and the thin plate member to adjust the opening degree of the defrost vent, face vent, floor vent while sliding operation in the air conditioning case In constituting the mode door with a gear shaft, a constant discharge means is provided at the air-conditioning case side guide portion formed to overlap the rail portion of the thin plate member and the rail portion so that a predetermined amount of air is discharged to the side vent side of the face vent. As a result, it is possible to use the cutout of the rail part gear hole and the guide part, which are the regular discharge means, as a regular discharge structure, without having to configure a separate structure for discharging the air constantly to the side vent side. And using a single thin plate member to implement the air discharge mode. In this case, the air is always discharged to the side vent side only, and the defrost vent or floor vent does not leak air, thereby improving air-conditioning performance. It is to provide a vehicle air conditioner that can prevent the prevention.

The present invention for achieving the above object is, the air inlet is formed on one side and the air conditioning case is formed in the defrost vent, face vent, floor vent so as to discharge the introduced air and rotatably installed in the air conditioning case and In addition, a gear shaft having a gear portion and a thin plate member which is provided to be slidably adjacent to each vent side in the air conditioning case and is provided with a rail portion to be engaged with the gear portion of the gear shaft. A mode door configured, a guide part 118 formed to overlap the rail part of the thin plate member on an inner surface of the air conditioning case so as to cover the rail part, and an air vent case inside one of the vents 112 to 115. Is formed in the rail portion 155 of the mode door 130 and the guide portion 118 of the air conditioning case 110 to discharge the air at all times. It is characterized by consisting, including always-discharge means (119).

The present invention provides a mode door comprising a thin plate member for adjusting the opening degree of a defrost vent, a face vent, a floor vent and a gear shaft engaged with the thin plate member to operate the thin plate member while sliding in the air conditioning case. It is provided with a constant discharge means formed with a cutout in a predetermined section of the air conditioning case side guide portion formed to cover the gear hole of the thin plate member so that a constant amount of air is always discharged to the side vent side of the face vent, the air constantly to the side vent side It is possible to use the gear hole of the thin plate member opened by the cutout of the guide part as a regular discharge structure, without having to configure a separate structure for discharging the structure, it is possible to reduce the cost is simple structure.

In addition, by forming a cutout only in the side vent side guide part to open the gear hole of the thin plate member, even when a single thin plate member is used to implement the air discharge mode, air is always discharged only to the side vent side and the defrost vent Floor vents do not leak air and can improve air conditioning performance.

In addition, since the mode door is composed of a single thin plate member and a gear shaft, the overall structure is simple, thereby reducing the number of parts, weight and cost, improving durability, and reducing the size of the air conditioning apparatus. Absence can be prevented due to the absence of mold.

In addition, by forming the cutout in the guide portion, it is possible to solve the portion through which the flow path resistance and the air flow is reduced by the guide portion when the sliding type mode door is adopted through the cutout can reduce the flow resistance and increase the air flow rate.

In addition, the door and the air-conditioning case can be made compact by utilizing the power transmission gear hole formed in the rail part of the thin plate member to give the discharge function at all times.

1 is a cross-sectional view showing a conventional vehicle air conditioner,
2 is a perspective view showing a mode door in FIG.
Figure 3 is a perspective view showing the inside of the air conditioning case in a vehicle air conditioner according to the present invention,
4 to 6 is a perspective view showing a mode door in the vehicle air conditioner according to the present invention,
7 is a partial perspective view showing an upper portion of an air conditioning case in a vehicle air conditioner according to the present invention;
8 is a cross-sectional view taken along the line AA of FIG.
9 is a cross-sectional view taken along line BB of FIG.
10 is a cross-sectional view showing another embodiment of FIG. 8;
11 and 12 are views showing the arrangement of the center vent and the side vent in the face vent,
13 to 17 are views showing operating states of a 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 formed in 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 in the air conditioning case 110 Installed on the air passage 110c between the evaporator 101 and the heater core 102, the cold air passage P1 bypassing the heater core 102 and the warm air passage passing through the heater core 102 ( Temperature control door 120 for adjusting the opening degree of P2) and the mode door 130 is installed on the air discharge port 116 side in the air conditioning case 110 to adjust the opening degree of the plurality of air discharge port 116. It consists of.

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.

In addition, the temperature control door 120 and the mode door 130 is connected to the actuator 160, etc. installed on the outer surface of the air conditioning case 110 while rotating the cold, hot air passage (P1) (P2) and the The opening degree of each vent 112 to 115 is adjusted.

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

The gear shaft 140 is rotatably installed inside the air conditioning case 110, and gear portions 141 are formed at both ends thereof. 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.

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 installed to be slidably adjacent to each of the vents 112 to 115 in the air conditioning case 110, and is engaged with the gear part 141 of the gear shaft 140 to slide. Each vent 112 to 115 is opened and closed.

Both end portions of the thin plate member 150 are provided with rail portions 155 having a plurality of gear holes 155a and 155b formed to engage with the gear portion 141 of the gear shaft 140.

In this case, the rail parts 155 having the plurality of gear holes 155a and 155b are formed at both ends of the thin plate member 150 in the sliding direction of the thin plate member 150.

On the other hand, as shown in Figure 11, when the center vent 113a is configured in the inner center of the face vent 113, the side vent 113b is configured on both sides of the center vent 113a as described above Although the rail 155 is formed at both ends of the thin plate member 150, as shown in FIG. 12, the side vent 113b is configured at the inner center of the face vent 113, and the center vent 113a is disposed. When configured on both sides of the side vent (113b) is preferably formed so that the rail portion 155 is located on both sides of the side vent (113b).

Here, in the face vent 113 structure as shown in FIG. 12, not only the rail portion 155 but also the gear portion 141 and the guide portion 118 described later are located at both sides of the side vent 113b.

In addition, the sliding direction of the thin plate member 150 on the inner surface of the air conditioning case 110 facing the rail portion 155 of the thin plate member 150 to slidably support the end of the rail portion 155. A rail groove 156 is formed along the same.

Here, the rail groove portion 156 is formed to extend along both sides of the plurality of air discharge port 116 in the air conditioning case 110, wherein the defrost vent 112 and the floor vent 114 side as shown in FIG. The rail groove 156 may be formed, and the rail groove 156 may be omitted on the face vent 113 side as shown in FIG. 8. That is, since the side vent 113b side of the face vent 113 should always discharge air, when the rail groove 156 is omitted, the rail unit 155 and the air conditioning case 110 of the thin plate member 150 are omitted. Air can also be always discharged through the space between the inner surfaces.

In other words, a gap 159 is formed between the inner surface of the air conditioning case 110 and the rail part 155, and the air conditioner case is formed through the gap part 159 and the cutout 118a which will be described later. The internal air of the 110 is always discharged.

On the other hand, the rail groove portion 156 is preferably formed only in the outer region of the cutout 118a, which will be described later, but as shown in FIG. 10, the rail groove portion 156 is formed in the inner region of the cutout 118a. In this case, the through hole 156b is formed in the side surface 156a of the rail groove 156 corresponding to the inner region of the cutout 118a, so that the through hole 156b and the gap 159 are formed. The internal air of the air conditioning case 110 may also be discharged through the cutout 118a and the cutout 118a at all times.

10, the lower side surface 156a of the rail groove portion 156 corresponding to the inner region of the cutout portion 118a is opened by the through hole 156b and the upper side surface of the rail groove portion 156. Has a structure which is opened by the cutout 118a.

In addition, since the air conditioning case 110 is configured by assembling the divided left and right cases 110a and 110b, the rail groove portion 156 faces both rail portions 155 of the thin plate member 150. It is formed on the inner surface of the left and right cases (110a, 110b), respectively.

Thus, the thin plate member 150 of the mode door 130 is supported between the rail grooves 156 formed in the left and right cases 110a and 110b.

In addition, the thin plate member 150 and the rail groove portion 156 is formed to have the same radius, and the thin plate member 150 is in close contact with each of the vents 112 to 115 inside the air conditioning case 110. Is installed.

Therefore, when the gear shaft 140 is rotated, the thin plate member 150 is able to open and close each of the vents 112 to 115 while sliding along the rail groove 156.

In addition, since the thin plate member 150 and the rail groove 156 are formed to have the same radius, that is, the same curvature, the thin plate member 150 is prevented 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 includes an opening 154 selectively opening the face vent 113 according to an air discharge mode, and provided at one side of the opening 154 to selectively select the face vent 113. And a second door part 152 provided at the other side of the opening 154 to selectively close the floor vents 114 and 115.

At this time, the first door part 151 and the second door part 152 are spaced apart from each other in the sliding direction of the thin plate member 150 and the first door part 151 and the second door spaced apart from each other. The unit 152 is integrally formed through the bridge unit 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.

In addition, the gear holes 155a and 155b are formed in the side surfaces of the first door part 151 and the opening 154, respectively, and the gear holes are not formed in the side surfaces of the second door part 152.

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.

Here, 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 closing the face vent 113 and the floor vents 114 and 115 at the same time. desirable.

The second door part 152 may be formed 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.

Meanwhile, the bridge part 153 which integrally connects the first door part 151 and the second door part 152 may include a center vent 113a and a side vent 113b inside the face vent 113. Are formed at positions corresponding to the plurality of partitions 113c formed so as to partition.

In addition, the opening 154 formed in the thin plate member 150 may be configured to open the at least one vent of each of the vents 112 to 115 according to the sliding position of the thin plate member 150. It penetrates between the 151 and the second door part 152.

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.

In addition, a gear hole 141 is formed in the rail part 155 on one side of the rail part 155 of the thin plate member 150 facing the gear part 141 of the gear shaft 140. A pair of guide ribs 158 guiding to smoothly engage the 155a and 155b is formed.

At this time, the pair of guide ribs 158 are spaced apart from each other by a predetermined distance, that is, formed in the longitudinal direction of the rail portion 155 on both sides of the gear holes (155a, 155b).

Therefore, the gear portion 141 of the gear shaft 140 is inserted between the pair of guide ribs 158 to smoothly engage with the gear portion 141.

In addition, a guide part 118 is formed on the inner surface of the air conditioning case 110 at one side of the rail groove part 156 so as to overlap the rail part 155 so as to cover the rail part 155 of the thin plate member 150. It is provided.

Accordingly, the guide part 118 is formed to overlap the rail part 155 of one side of the thin plate member 150 so as to close the gear holes 155a and 155b of the thin plate member 150 to thereby close the thin plate member. The air is prevented from leaking through the penetrating gear holes 155a and 155b of the 150.

On the other hand, the guide portion 118 is located on the opposite side of the gear shaft 140 relative to the thin plate member 150 so as not to interfere with the gear portion 141 of the gear shaft 140. That is, the gear shaft 140, the thin plate member 150, and the guide part 118 are sequentially disposed in the air flow direction inside the air conditioning case 110.

In addition, the thin plate member 150 is in close contact with the guide portion 118 of the air conditioning case 110 by the air pressure of the air flowing in the interior of the air conditioning case 110 to prevent the leakage of air.

In addition, one of the defrost vent 112, the face vent 113, and the floor vents 114 and 115 may discharge the air inside the air conditioning case 110 to one side vent and the rail unit 155 of the mode door 130. The guide unit 118 of the air conditioning case 110 is a constant discharging means 119 is formed.

The regular discharge means 119, the plurality of gear holes (155a, 155b) formed in the rail portion 155 of the mode door 130 to be engaged with the gear portion 141 of the gear shaft 140, And a cutout portion 118a formed on the guide portion 118 of the air conditioning case 110 by cutting a predetermined section of the guide portion 118 in the sliding direction of the thin plate member 150. Air passing through the 155a and 155b and the cutout 118a is always discharged to the one side vent.

Here, the one side vent is the face vent 113, and more specifically, the side vent 113b of the face vent 113.

In addition, the cutout 118a is formed on the guide part 118 formed at both side vents 113b of the face vent 113.

That is, the gear holes 155a and 155b formed at both ends of the rail member 155 of the thin plate member 150 may be formed at the guide portion 118 at the defrost vent 112 and the floor vent 114 and 115 as shown in FIG. 9. It is covered by the closed, but in the side vent 113b of the face vent 113 where the cutout 118a is located, as shown in FIG. 8, the gearholes 155a and 155b are opened by the cutout 118a. Will be.

Therefore, the air is always discharged through the gear holes 155a and 155b and the cutout 118a of the thin plate member 150 only to the side vent 113b of the face vent 113 regardless of the air discharge mode. do.

As such, the present invention is originally formed on the thin plate member 150 without the need to configure a separate discharge structure on the thin plate member 150 in order to discharge the air to the side vent 113b of the face vent 113 at all times. By using the existing gear holes 155a and 155b as the regular discharge structure, the structure is simple and the cost can be reduced.

In addition, even when using the single thin plate member 150 as described above, the air is always discharged only to the side vent 113b side of the face vent 113, and air is supplied to the defrost vent 112 or the floor vents 114 and 115. It is not leaking, and the air conditioning performance can be improved.

In the side vent 113b of the face vent 113, the gear holes 155a and 155b formed in the rail part 155 of the thin plate member 150 by the cutout 118a formed in the guide part 118. In addition, air is always discharged through the space between the end of the rail unit 155 and the inner surface of the air conditioning case 110.

Meanwhile, a gear hole is not formed in the rail parts 155 formed at both ends of the second door part 152. That is, since the second door part 152 does not go to the position of the face vent 113, the gear hole is not formed. It is not necessary to form gear holes for always air discharge in both rail portions 155 of the second door portion 152.

In addition, as illustrated in FIG. 4, the first door part 151 may have a different area for closing the face vent 113 according to an air discharge mode. Referring to FIG. 4, the area “a” of the first door unit 151 closes the face vent 113 in the floor mode as shown in FIG. 14, and the area “b” as the face vent in the mixed mode as shown in FIG. 17. Closing the 113, the "c" region is to close the face vent 113 in the defrost mode as shown in FIG.

In other words, in the air discharge mode in which the first door part 151 closes the face vent 113, the gear hole 155a formed on the rail part 155 of the first door part 151 is formed in the gear. The power transmission function engaged with the gear part 141 of the shaft 140 and the flow path function at the time of regular air discharge should be performed.

In addition, in the air discharge mode (face mode, bi-level mode) in which the opening 154 opens the face vent 113, the air can be discharged to the face vent 113 side by the opening 154, The gear hole 155b formed on the rail portion 155 of the opening 154 may perform only a power transmission function engaged with the gear portion 141 of the gear shaft 140.

Therefore, as shown in FIG. 5, the gear hole 155a formed on the side rail part 155 of the first door part 151 is a gear hole 155b formed in the side rail part 155 of the opening 154. It is preferable to form the larger area.

At this time, the width of the gear hole 155a of the first door part 151 must be greater than the width of the gear hole 155b of the opening 154 side, and the gear part 141 of the gear shaft 140 While smoothly interlocking, it is possible to secure a flow path for regular air discharge.

Here, the width of the gear hole 155a of the first door part 151 may be extended in a direction perpendicular to the sliding direction of the thin plate member 150 (direction parallel to the gear shaft).

As such, the gear hole 155a formed on the side rail part 155 of the first door part 151 is formed larger than the gear hole 155b formed on the side rail part 155 of the opening 154. In addition, while smoothly performing the power transmission function meshing with the gear unit 141 of the gear shaft 140, it is possible to achieve a reduction in flow path resistance and increase in air volume at regular air discharge.

Although not shown in the drawing, in another embodiment of the regular discharge means 119, the rail portion 155 of the mode door 130 is engaged with the gear portion 141 of the gear shaft 140. And a plurality of through-holes formed to correspond to the plurality of gear holes 155a and 155b on the guide part 118 of the air conditioning case 110. Air passing through the holes 155a and 155b and the through-holes is always discharged to the one side vent.

That is, in the configuration of the regular discharge means 119, instead of the cut-out portion 118a formed on the air conditioning case 110 side guide portion 118, the plurality of gear holes (1) on the guide portion 118. Even if the through holes corresponding to 155a and 155b are configured, the air discharge function can be performed at all times.

On the other hand, the temperature control door 120 installed between the evaporator 101 and the heater core 102, the gear shaft 121 and the thin plate like the mode door 130 to reduce the size of the air conditioning apparatus 100 The member 122 can be comprised. 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 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

13, the first door portion 151 of the thin plate member 150 closes the defrost vent 112, and the second door portion 152 is closed by the rotation of the gear shaft 140, The face vent 113 is opened while the opening 154 of the thin plate member 150 is positioned in 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. 14, 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 has a defrost vent 112 and a 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. 15, 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 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 the partition wall 115.

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. 16. The opening 154 of the thin plate member 150 is positioned to cover the face vent 113 and the floor vents 114 and 115 so that the face vent 113 and the floor vent ( 114 and 115 are open at the same time,

17, the face vent 113 is closed as the center of the first door part 151 of the thin plate member 150 is positioned on the side of the face vent 113, and the defrost vent 112 The floor vents 114 and 115 are simultaneously opened.

In addition, the side vent 113b of the face vent 113 may be a gear hole 155a of the thin plate member 150 by a cutout 118a formed in the guide part 118 regardless of the air discharge mode. Since 155b is in an open state, air is always discharged through the gear holes 155a and 155b.

As described above, in the present invention, a cutout 118a is formed in the side vent 113b side guide part 118 of the face vent 113 to open the thin plate member 150 opened by the cutout 118a. Although only the case where the configuration in which the air is always discharged to the side vent 113b through the gear holes 155a and 155b is applied to the semi-center type air conditioner, the present invention is not limited thereto, the center mounting type air conditioner and the three It can be applied in the same way to various air conditioners such as piece type air conditioner, left and right independent air conditioner, and the same effect can be obtained.

100: air conditioner 101: evaporator
102: heater core
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: guide portion
118a: incision 119: always dispensing means
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 portion 155a, 155b: gear hole
156: rail groove
158: guide rib 160: actuator

Claims (13)

An air inlet 111 is formed at one side and an air conditioning case 110 having a defrost vent 112, a face vent 113, a floor vent 114, 115 formed at the other side to discharge the introduced air;
It is rotatably installed in the air conditioning case 110 and the gear shaft 140 in which the gear part 141 is formed, and is slidably adjacent to each of the vents 112 to 115 in the air conditioning case 110. In addition, the rail door 155 is provided to be engaged with the gear part 141 of the gear shaft 140, and the mode door 130 includes a thin plate member 150 for adjusting the opening degree of each of the vents 112 to 115. )Wow,
A guide part 118 formed to overlap the rail part 155 of the thin plate member 150 on an inner surface of the air conditioning case 110 to cover the rail part 155;
Always discharge means formed on the rail portion 155 of the mode door 130 and the guide portion 118 of the air conditioning case 110 to always discharge the air inside the air conditioning case to one of the vent (112 ~ 115) Vehicle air conditioning apparatus comprising a (119). The method of claim 1,
The constant discharging means 119 may include a plurality of gear holes 155a and 155b formed in the rail portion 155 of the mode door 130 so as to be engaged with the gear portion 141 of the gear shaft 140. And a cutout portion 118a formed on the guide portion 118 of the air conditioning case 110 by cutting a predetermined section of the guide portion 118 in the sliding direction of the thin plate member 150, and the gear hole 155a. , 155b) and the air passing through the cutout 118a is always discharged to the one side vent. The method of claim 2,
The face vent 113 includes a center vent 113a formed at an inner center of the face vent 113 and side vents 113b formed at both sides of the center vent 113a.
The cutout (118a) is a vehicle air conditioner, characterized in that formed on the guide portion 118 formed on the side vent (113b) side of the face vent (113). The method of claim 2,
A gap 159 is formed between the inner surface of the air conditioning case 110 and the rail portion 155, and the internal air of the air conditioning case 110 is also provided through the gap 159 and the cutout 118a. Vehicle air conditioner, characterized in that to discharge at all times. The method of claim 2,
On the inner surface of the air conditioning case 110, the rail groove portion 156 is formed along the sliding direction of the thin plate member 150 to support the end of the rail portion 155 so as to be slidable, the rail groove portion 156 ) Is a vehicle air conditioning apparatus, characterized in that formed only in the outer region of the cutout (118a). The method of claim 4, wherein
On the inner surface of the air conditioning case 110, a rail groove portion 156 is formed along the sliding direction of the thin plate member 150 to support the end of the rail portion 155 so as to be slidable.
The through hole 156b is formed in the side surface 156a of the rail groove 156 corresponding to the inner region of the cutout 118a, so that the through hole 156b, the gap 159, and the cutout 118a are formed. Vehicle air conditioner, characterized in that to always discharge the internal air of the air conditioning case (110) through. The method of claim 1,
The thin plate member 150 is provided at one side of the opening 154 and the opening 154 to selectively open the face vent 113 according to the air discharge mode to selectively close the face vent 113. It is composed of a first door portion 151, the gear hole (155a, 155b) is formed on the rail portion 155 formed on the side of the first door portion 151 and the opening 154, respectively. Vehicle air conditioning system. The method of claim 7, wherein
The gear hole 155a formed on the side rail part 155 of the first door part 151 has a larger area than the gear hole 155b formed on the side rail part 155 of the opening 154. Vehicle air conditioner, characterized in that. The method of claim 7, wherein
The thin plate member 150 is provided at the other side of the opening 154 to selectively close the floor vents 114 and 115 according to the air discharge mode, and to provide a gear hole to the rails 155 provided at both ends. Vehicle air conditioning apparatus further comprises a second door portion (152) formed. The method of claim 1,
The constant discharging means 119 may include a plurality of gear holes 155a and 155b formed in the rail portion 155 of the mode door 130 so as to be engaged with the gear portion 141 of the gear shaft 140. It includes a plurality of through holes formed on the guide portion 118 of the air conditioning case 110 to correspond to the plurality of gear holes (155a, 155b), the air passing through the gear holes (155a, 155b) and the through holes The air conditioner for a vehicle, characterized in that to be always discharged to the one side vent. The method of claim 1,
The gear shaft 140, the thin plate member 150 and the guide portion 118 are sequentially disposed along the air flow direction inside the air conditioning case (110). The method of claim 1,
The face vent 113 includes a center vent 113a formed at an inner center of the face vent 113 and side vents 113b formed at both sides of the center vent 113a.
The rail unit 155 is a vehicle air conditioning apparatus, characterized in that formed on both ends of the thin plate member (150). The method of claim 1,
The face vent 113 includes a side vent 113b formed at an inner center of the face vent 113 and a center vent 113a formed at both sides of the side vent 113b.
The rail unit 155 is formed to be located on both sides of the side vent (113b) for the vehicle air conditioner.

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