KR20040073858A - Air-conditioning unit - Google Patents

Abstract

PURPOSE: An air conditioning unit is provided to reduce time and cost by manufacturing an air conditioning unit used for vehicles controlling a state of air individually or not. CONSTITUTION: An air conditioning case has an air inlet, an air outlet, and a passage connecting the air inlet with the air outlet, wherein the passage is defined by a partition wall(270) having a through-hole. A first door(181A) is installed at one side of the passage divided by the partition wall, having a first axial part(281Aa). A second door(181B) is installed at the other side of the passage divided by the partition wall, having a second axial part(281Ba). A driving element individually rotates the first axial part and the second axial part, or simultaneously rotates the first axial part and the second axial part.

Description

Air Conditioning Unit

The present invention relates to an air conditioning unit, and more particularly, to an air conditioning unit having a door for guiding introduced air.

The air conditioning unit is manufactured in various ways according to its purpose, which guides the air inlet and the air outlet, the heater, the evaporator, and the air in the air conditioning case to the heater or the evaporator, or to the path not passing through the heater or the evaporator. It is common to have a door.

1 shows a conventional air conditioning unit in which the air flow passage is not divided into left and right sides. The air conditioning unit has an air inlet case 10 having air inlets and air outlets 82 and 83 formed therein. On the outer surface of the side wall 10A of the air conditioning case, an arm 8 having a coupling hole 8a into which the shaft portion of the door 81 is fitted and rotating together with the shaft portion is mounted. The projecting portion 8b of the arm is fitted into the groove portion 7c of the cam 7, and the cam 7 moves the cam shaft portion 7a according to the operation of the control cable 6 connected to the control cable connecting portion 7b. It will rotate around the center. As a result, the cam is rotated by the operation of the control cable by the operation of the control panel 5, and this rotation rotates the arm, and the arm rotates the shaft portion of the door connected thereto to guide the air to guide the air. Will be adjusted.

The air conditioning case having the above configuration has a problem in that it is not possible to individually control the state of the air supplied to the left and right in the vehicle compartment.

2 shows an air conditioning unit in which air flow passages are divided into left and right sides. This air conditioning unit basically has a configuration similar to the air conditioning unit shown in FIG. 1, but the difference is that the partitions are installed along the longitudinal direction and the doors for guiding air are installed in both spaces partitioned by the partitions. have. Each component in the drawings, the air conditioning unit is divided into the left and right side of the conventional air flow using the same reference numerals as the air conditioning unit shown in Figure 1, but indicated by adding 100, according to the present invention For the air conditioning unit in which the flow passage is divided into left and right sides, the same reference numerals as those of the air conditioning unit shown in FIG. 1 are used, and 200 is added. The first door is marked with A and the second door is marked with B. The same applies to FIG. 3.

3 is a cross-sectional view taken along line III-III of FIG. 2.

Air introduced from the air inlets 120 and 220 passes through the evaporators 140 and 240 and moves to the access passages 161 and 261 defined between the evaporators and the first doors 181A and 281A. The air moved to the entry passage passes through the heating passages 162 and 262 in which the heater cores 150 and 250 are installed or bypasses the heater cores 163 and 263 according to the direction guided by the first door. ) And move to the vent passages (164, 264). The air moved to the vent passage moves to a vent formed on the front panel of the vehicle according to the direction guided by the vent doors 182 and 282 or moves to the defrost passages 165 and 265. The air moved to the defrost passage moves to a defrost vent formed under the windshield of the vehicle when the defrost doors 183 and 283 are opened. The entry passages 161 and 261, the heating passages 162 and 262, the bypass passages 163 and 263, the vent passages 164 and 264, and the defrost passages 165 and 265 are referred to as passages 160 and 260. Collectively. In this figure, the partition walls 170 and 270 are shown to be formed from the upper surface of the evaporator to the discharge port for discharging air to the panel formed on the front panel of the vehicle, the partition may be formed as necessary range.

4 is a cross-sectional view taken along the line IV-IV of FIG. 2, showing a door and a portion adjacent thereto of a conventional air conditioning unit. A first door 181A is provided between the first side wall 110A and the partition wall 170 of the air conditioning case, and a second door 181B is provided between the second side wall 110B and the partition wall 170. . Since the first door and the second door of the air conditioning case have a structure symmetrical with respect to the partition wall, only the first door and other adjacent components thereof will be described in detail, and the second door will be described in detail. Omit.

The first door has a first shaft portion 181Aa and a first door body 181Ab. The first shaft portion 181Aa includes a coupling hole 181Aaa which is formed by being introduced into an interior from an end adjacent to the first side wall, and includes a receiving portion 110Aa of the first side wall and a receiving portion 170a of the partition wall 170. Each has an end 181Aab that is rotatably received. The through-hole 110Ab communicating with the coupling hole is formed in the first sidewall 110A, but such a hole is not formed in the partition wall 170. A first arm is mounted on an outer surface of the first side wall, and the first arm is provided with a coupling hole 108Aa and a protrusion 108Ab in communication with the coupling hole 181Aaa and the through hole 110Ab. The protrusion is rotated about the coupling hole 108Aa by a cam controlled by a control panel and a control cable. The first drive shaft 190 is fitted into the coupling hole so that the first door is rotated together as the first arm is rotated.

In the air conditioning case having the structure shown in FIG. 4, the first door and the second door are driven only individually, and thus, the vehicle that does not individually control the state of the air supplied to the left and right in the vehicle compartment is shown in FIG. As described above, there is a disadvantage in that the air conditioner unit without a partition must be manufactured and mounted separately.

The present invention provides an air conditioning unit that can be mounted on a vehicle that individually controls the state of air supplied to the left and right sides of the vehicle cabin, as well as a vehicle that does not individually control the state of the air supplied to the left and right sides of the vehicle compartment. The aim is to reduce the time and cost required by manufacturing a separate air conditioning unit.

1 is a perspective view showing a conventional air conditioning unit in which the air flow passage is not divided into left and right sides;

2 is a perspective view showing an air conditioning unit in which an air flow passage is divided into left and right sides;

3 is a cross-sectional view taken along line III-III of FIG. 2,

4 is a cross-sectional view of a conventional air conditioning unit taken along the line IV-IV of FIG.

5A is a cross-sectional view of an air conditioning unit according to an embodiment of the present invention taken along the line VV of FIG. 2,

5B is a cross-sectional view of an air conditioning unit according to another embodiment of the present invention taken along the line VV of FIG. 2.

Explanation of symbols on the main parts of the drawings

208A: First Arm 208B: Second Arm

220: air inlet 240: evaporator

230: air outlet 250: heater core

260: passage 270: partition

281A: 1st door 281Aa: 1st shaft part

281B: 2nd door 281Ba: 2nd shaft part

290a: first drive shaft, second drive shaft 290b: integrated drive shaft

In order to achieve the above object, the present invention is:

An air inlet, an air outlet, and a passage connecting the air inlet is formed, and the passage includes an air conditioning case partitioned by a partition wall having a through hole formed therein;

A first door installed at one side of the passage divided by the partition wall and having a first shaft portion;

A second door installed at the other side of the passage divided by the partition wall and having a second shaft portion coaxial with the first shaft portion; And

It provides an air conditioning unit having a; drive means for rotating the first shaft portion and the second shaft portion individually or simultaneously.

The first door and the second door may be temporal doors installed between the evaporator and the heater core.

The first shaft portion is formed with coupling holes penetrated in the axial direction, the second shaft portion is formed with coupling holes formed in the axial direction from both ends, and the coupling hole located adjacent to the partition wall among the coupling holes of the second shaft portion is the partition wall. It is preferable to communicate with the coupling hole of the first shaft portion through the through hole of.

Both ends of the first shaft portion are rotatably received in each of the receiving portion formed on the inner surface of one side wall of the air conditioning case and the receiving portion formed on one surface of the partition wall facing the inner surface, and both ends of the second shaft portion are It is preferable to be rotatably housed in each of the receiving portions formed on the inner surface of the other side wall of the air conditioning case and the receiving portions formed on the other surface of the partition wall facing the inner surface.

The driving means includes a first arm having a coupling hole communicating with a coupling hole of the first shaft portion, a second arm having a coupling hole communicating with a coupling hole of the second shaft portion, a coupling hole and a first shaft portion of the first arm. A first drive shaft fitted into a coupling hole of the first shaft and interlocking the first shaft portion and the first arm, and fitted into a coupling hole of the second arm and the coupling shaft of the second shaft portion, and operating with the first shaft portion and the first arm. Separately, it is preferable to have a second drive shaft for interlocking the second shaft portion and the second arm.

The first driving shaft and the second driving shaft may have a length shorter than the length of the first shaft portion and the second shaft portion.

The coupling hole of the first shaft portion and the coupling hole of the second shaft portion are formed to have a polygonal shape, and the first driving shaft has a shape corresponding to the coupling hole of the first shaft portion, and the second driving shaft is coupled to the second shaft portion. It is desirable to have a shape corresponding to the ball.

The coupling hole of the first shaft portion and the coupling hole of the second shaft portion are formed to have a circular cross section with a groove formed on one side, and the first driving shaft has a shape corresponding to the coupling hole of the first shaft portion, and the second driving shaft is It is preferable to have a shape corresponding to the engaging hole of a 2nd shaft part.

Preferably, the first drive shaft and the first arm are integrally formed, and the second drive shaft and the second arm are integrally formed.

The driving means is fitted into a first arm having a coupling hole communicating with a coupling hole of the first shaft portion, a coupling hole of the first arm, a coupling hole of the first shaft portion, and a coupling hole of a second shaft portion adjacent to the partition wall. It is preferable to have an integrated drive shaft for lowering and interlocking the first arm, the first shaft portion, and the second arm.

The integrated driving shaft may have a length through which the coupling hole of the first shaft portion fits into the coupling hole of the second shaft portion.

Preferably, the coupling hole of the first shaft portion and the coupling hole of the second shaft portion are identically formed to have a polygonal shape, and the integrated driving shaft has a shape corresponding to the coupling holes of the first shaft portion and the second shaft portion.

The coupling hole of the first shaft portion and the coupling hole of the second shaft portion are identically formed to have a circular shape having a groove formed on one side thereof, and the integrated driving shaft has a shape corresponding to the coupling holes of the first shaft portion and the second shaft portion. It is desirable to have.

Preferably, the integrated drive shaft and the first arm are integrally formed.

It is preferable that the second door has the same shape as the first door.

Next, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

An air conditioning unit according to the present invention includes an air conditioning case, an evaporator, a heater core, a partition, a first door, a second door, and a driving means.

An air inlet 220, an air outlet, and a passage 260 connecting them are formed in the air conditioning case, and an evaporator 240 is installed at a position adjacent to the air inlet 220. The heater core 250 is installed to be spaced apart from the air outlet by a predetermined distance from the evaporator, and the partition wall 270 is formed in the air-conditioning case in which the air passing through the evaporator is bisected and the through hole is formed in the longitudinal direction. have.

The first door 281A is provided at one side of the passage divided by the partition wall, and the second door 281B is installed at the other side of the passage, and the second shaft portion 281Ba of the second door is It is coaxial with the 1st shaft part 281Aa of a 1st door.

The drive means includes drive means for rotating the first shaft portion and the second shaft portion individually or simultaneously.

Hereinafter, the first door and the second door will be described in more detail.

FIG. 5A is a cross-sectional view taken along the line VV of FIG. 2 and shows the doors and a portion adjacent thereto when the first door and the second door of the air conditioning unit according to the present invention are driven independently of each other. A first door 281A is provided between the first side wall 210A and the partition wall 270 of the air conditioning case, and a second door 281B is provided between the second side wall 210B and the partition wall 270. .

The first door has a first shaft portion 281Aa and a first door body 281Ab. The first shaft portion 281Aa has a coupling hole 281Aaa formed throughout its length and is rotatably received in each of the accommodating portion 210Aa of the first side wall and the accommodating portion 270a of the partition wall 270. End 281Aab. A through hole 210Ab is formed in the first sidewall 210A to communicate with the coupling hole 281Aaa, and a through hole 270b is also formed in the partition wall 270 to communicate with the coupling hole 281Aaa. have.

A first arm 208A is mounted on an outer surface of the first side wall 210A, and the first arm has a coupling hole 208Aa communicating with the coupling hole 281Aaa and the through hole 210Ab. In addition, the protrusion 208Ab is formed at a portion spaced from the coupling hole. The protrusion 208Ab is rotated about the coupling hole 208Aa by a cam controlled by a control panel and a control cable.

The second door has a second shaft portion 281Ba and a second door body 281Bb. The second shaft portion 281Ba has coupling holes 281Baa introduced into the central portion from both ends thereof. The coupling holes may or may not be in communication with each other at the center of the second shaft portion. When the coupling holes are configured to communicate with each other, the coupling holes may have the same shape as the first door, so that the first door and the second door may be separately manufactured. There is an advantage that only one door needs to be manufactured without the need.

In addition, an end portion 281Bab is rotatably received in each of the accommodating portion 210Ba of the second sidewall and the accommodating portion 270a of the partition wall 270. The second sidewall 210B has a through hole 210Bb communicating with the coupling hole 281Baa. A second arm 208B may be mounted on an outer surface of the second sidewall 210B, and the second arm may include a coupling hole 208Ba communicating with the coupling hole 281Baa and the through hole 210Bb. The protrusion 208Bb is formed at a portion spaced apart from the coupling hole. The protrusion 208Bb is rotated about the coupling hole 208Ba by a cam controlled by a control panel and a control cable. When the first door and the second door are configured to rotate together, the second arm is not necessarily required, which will be described later.

In the air conditioning unit having the above configuration, in order to rotate the first door and the second door separately, the first door is formed through the coupling hole 208Aa of the first arm and the through hole 210Ab of the first side wall. The drive shaft 290a is inserted into the coupling hole 281Aaa of the first shaft portion.

The first drive shaft should be configured to rotate freely with respect to the through hole 210Ab of the first side wall while not rotating with respect to the first arm and the first shaft portion. For this purpose, the first drive shaft 290a and the first arm The coupling hole 208Aa and the coupling hole 281Aaa of the first shaft portion may have a rectangular cross section, and the through hole 210Ab of the first sidewall may have a circular cross section. The length of the first drive shaft is limited so that the end of the first drive shaft does not cross the centerline of the partition wall 270 when the first drive shaft is fully fitted.

The same is true for the second door, which will not be described separately since a person skilled in the art can fully understand the description of the first door.

FIG. 5B is a cross-sectional view taken along the line VV of FIG. 2 and shows the doors and a portion adjacent thereto when the first door and the second door of the air conditioning unit according to the present invention are driven together. It demonstrates centering on a different matter from FIG. 5A.

In order to rotate the first door and the second door together, the engaging hole 208Aa of the first arm, the through hole 210Ab of the first side wall, the engaging hole 281Aaa of the first shaft portion, and the through hole of the partition wall ( The integrated driving shaft 290b is inserted through 270b to the coupling hole 281Baa of the second shaft portion. The integrated drive shaft should be configured to rotate freely with respect to the through hole 210Ab of the first side wall and the through hole 270b of the partition wall, but not to rotate with respect to the first arm, the first shaft part, and the second shaft part. The integrated drive shaft 290b, the coupling hole 208Aa of the first arm, the coupling hole 281Aaa of the first shaft portion, and the coupling hole 281Baa of the second shaft portion have a rectangular cross section and penetrate the first side wall. The hole 210Ab and the through hole 270b of the partition wall may be configured to have a circular cross section. In this case, when the first door and the second door are driven together, the second arm 208B is not necessary because both the first door and the second door are driven by the first arm 208A.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

According to the present invention, there is provided an air conditioning unit that can be mounted on a vehicle that individually controls the state of air supplied to the left and right sides of the vehicle cabin, as well as a vehicle that does not individually control the state of the air supplied to the left and right sides of the vehicle compartment. Therefore, the time and cost required by manufacturing a separate air conditioning unit is reduced.

In the case where the widths of the passages on the left side and the right side partitioned by the partition wall are the same, and the engaging holes 281Baa drawn in from the both ends of the second shaft portion 281Ba toward the center portion communicate with each other at the center portion of the second shaft portion, The first door and the second door can be manufactured in the same way, in this case, there is an advantage in that the cost required for manufacturing the door can be reduced.

Claims (16)

An air inlet 220, an air outlet 230, and a passage 260 connecting them are formed, and the passage includes an air conditioning case partitioned by a partition wall 270 in which a through hole 270b is formed; A first door 281A installed at one side of the passage 260 bisected by the partition wall 270 and having a first shaft portion 281Aa; A second door 281B installed at the other side of the passage 260 bisected by the partition wall 270 and having a second shaft portion 281Ba coaxial with the first shaft portion; And And driving means for rotating the first shaft portion and the second shaft portion individually or simultaneously. The method of claim 1, The first door and the second door is an air conditioning unit, characterized in that the temp door installed between the evaporator (240) and the heater core (250). The method of claim 1, Coupling holes 281Aaa axially penetrated are formed in the first shaft portion 281Aa, and coupling holes 281Baa are formed in the second shaft portion 281Ba axially from both ends 281Bab. The coupling hole (281Baa) located adjacent to the partition wall of the two shaft portion of the air conditioning unit, characterized in that in communication with the coupling hole (281Aaa) of the first shaft portion through the through hole (270b) of the partition wall. The method of claim 1, Both ends 281Aab of the first shaft portion 281Aa may include a receiving portion 210Aa formed on an inner surface of one side wall 210A of the air conditioning case and a receiving portion 270a formed on one surface of the partition wall 270 facing the inner surface. Is rotatably housed in each, Both ends 281Bab of the second shaft portion 281Ba are receiving portions 210270 formed on the inner surface of the other side wall 210B of the air conditioning case and the receiving portions 270a formed on the other surface of the partition wall 270 facing the inner surface. Air conditioning unit, characterized in that rotatably accommodated in each. The method according to any one of claims 1 to 4, The drive means is: A first arm 208A having a coupling hole 208Aa communicating with the coupling hole 281Aaa of the first shaft portion; A second arm 208B having a coupling hole 208Ba communicating with the coupling hole 281Baa of the second shaft portion; A first drive shaft 290a fitted into a coupling hole 208Aa of the first arm and a coupling hole 281Aaa of the first shaft portion and interlocking the first shaft portion and the first arm; And A second fit between the engaging hole 208Ba of the second arm and the engaging hole 281Baa of the second shaft portion, and interlocking the second shaft portion and the second arm separately from the operation of the first shaft portion and the first arm; An air conditioning unit comprising: a drive shaft (290a). The method of claim 5, wherein And the first driving shaft and the second driving shaft have a length shorter than the length of the first shaft portion and the second shaft portion. The method of claim 5, wherein The coupling hole 281Aaa of the first shaft portion and the coupling hole 281Baa of the second shaft portion are formed to have a polygonal shape, and the first driving shaft has a shape corresponding to the coupling hole of the first shaft portion, and the second And a drive shaft has a shape corresponding to the engagement hole of the second shaft portion. The method of claim 5, wherein The coupling hole 281Aaa of the first shaft portion and the coupling hole 281Baa of the second shaft portion are formed to have a circular cross section with a groove formed on one side thereof, and the first driving shaft has a shape corresponding to the coupling hole of the first shaft portion. And the second driving shaft has a shape corresponding to the engagement hole of the second shaft portion. The method of claim 5, wherein And the first drive shaft and the first arm are integrally formed, and the second drive shaft and the second arm are integrally formed. The method of claim 5, wherein And the second door (281B) has the same shape as the first door (281A). The method according to any one of claims 1 to 4, The drive means is: A first arm 208A having a coupling hole 208Aa communicating with the coupling hole 281Aaa of the first shaft portion; The first arm, the first shaft portion, and the second arm are inserted into the coupling hole 208Aa of the first arm, the coupling hole 281Aaa of the first shaft portion, and the coupling hole 281Baa of the second shaft portion adjacent to the partition wall. An air conditioning unit comprising: an integrated drive shaft (290b) to interlock. The method of claim 11, The integrated driving shaft has a length that can be inserted through the coupling hole of the first shaft portion to the inside of the coupling hole of the second shaft portion. The method of claim 11, The coupling hole 281Aaa of the first shaft portion and the coupling hole 281Baa of the second shaft portion are identically formed to have a polygonal shape, and the integrated driving shaft corresponds to the coupling holes of the first shaft portion and the second shaft portion. An air conditioning unit having a shape. The method of claim 11, The coupling hole 281Aaa of the first shaft portion and the coupling hole 281Baa of the second shaft portion are identically formed to have a circular shape having a groove formed on one side thereof, and the integrated driving shaft is coupled to the first shaft portion and the second shaft portion. An air conditioning unit, characterized in that it has a shape corresponding to the balls. The method of claim 11, And the integrated drive shaft and the first arm are integrally formed. The method of claim 11, And the second door (281B) has the same shape as the first door (281A).