KR101268880B1 - Air conditioning system for automotive vehicles - Google Patents

Abstract

The present invention relates to a vehicle air conditioner, and more particularly, the present invention relates to a vehicle air conditioner, and more particularly, a cam and a lever in the air conditioner case in a manual type for driving the door by operating a cable with a controller By easily setting the door driving part of the back to the initial position, the purpose is to accurately match the rotational movement distance of the door driving part and the moving distance of the cable, and to accurately select the mode by the cable after removing the fixing member. do.
The present invention for achieving the above object, the door drive unit having a cam and a lever is provided on the outer surface of the air conditioning case to rotate the air flow switching door, and the door drive unit between the door drive unit and the air conditioning case facing In the vehicle air conditioner comprising a position setting member for setting to the initial position, the position setting member, characterized in that it comprises a fixing member for fixing the setting part protruding between the door drive and the air conditioning case facing each other. do.

Description

TECHNICAL FIELD [0001] The present invention relates to an air conditioning system for an automobile,

The present invention relates to a vehicle air conditioner, and more particularly, in a manual type in which a cable is operated by a controller to drive a door, door doors such as cams and levers are easily set to an initial position in an air conditioner case, It relates to a vehicle air conditioner so that the rotational movement distance of the door drive unit and the movement distance of the cable is exactly matched and the mode selection by the cable is correctly made after the removal of the fixing member.

In general, a vehicle air conditioner may selectively exchange heat or cold air introduced into a vehicle interior by a blower to an evaporator through which a refrigerant flows or to a heater core through which coolant of a vehicle engine flows, By distributing the inside of the cabin in a cold or warm state through a defrost vent, a face vent and a floor vent in communication with each part of the cabin, the cabin is cooled or heated. do.

Such an air conditioner includes a three-piece type in which a blower, an evaporator unit, and a heater core unit are independently formed, a semi-center mounting type in which an evaporator and a heater core are integrally formed in one case, and The blower, the evaporator and the heater core may be classified into a center mounting type in which a case is integrally formed.

The air conditioner includes a blower equipped with a blower fan for supplying air inside or outside the vehicle, and a heat exchanger connected to the blower and heat-exchanging air introduced by the blower fan.

The heat exchanger includes an evaporator mounted to cool the cabin according to the vehicle model, and a heater core mounted to heat the cabin.

In the air conditioning apparatus, a plurality of air passages are formed so that air flowing into the inlet can be discharged to a designated outlet among the plurality of outlets. The air passage is provided with a door that controls the direction of the air by opening and closing the air passage so that the air can be discharged to the designated outlet.

The air supplied by opening and closing the door is heat-exchanged in a heat exchanger installed in the air passage and then supplied into the vehicle interior. The heat exchanged air thereby cools / heats the interior of the vehicle interior.

The door that opens and closes the air passage through which the air moves is operated by a door driver installed outside the case.

Such a door drive part 2 is provided in the air conditioning case 4 and the intake duct 6 outer side wall, as shown in FIG.

As shown in FIGS. 1 and 2, the door driver 2a provided in the air conditioning case 4 of the door driver 2 is fixed to the rotation shaft D1 of the door D. ) And a cam plate 8 to which a slot 12 into which the pivot 10 of the lever 14 is inserted is formed, and to which a cable 16 for transmitting an operating force according to an operation of a controller (not shown) is connected. Include.

In addition, the cam plate 8 may be provided with a plurality of slots to transmit the operation force of the cable to the plurality of doors.

Here, the axis of rotation of the lever 14 is the axis of rotation D1 of the door (D).

When the door driver 2 is set to an initial position, the pivot 10 of the lever 14 is moved to one end of the slot 12 with the door D completely opening the passage of the air conditioning case 4. The cable 16 is connected to the cam plate 8 so as to be located at.

The reason why the cable 16 is connected to the cam plate 8 so that the pivot 10 of the lever 14 is located at one end of the slot 12 is that the door D passes through the controller. To open or close the passage completely when opening and closing the.

That is, the specific position is set to the initial position so that the door position inside the air conditioner and the operation unit position of the controller coincide.

Therefore, when assembling the door drive unit 2 to the air conditioning case 4, the pivot 10 of the lever 14 is positioned at any one end of the slot 12 of the cam plate 8, connected to the controller. It is desirable to connect the cable 16 to the cam plate 8 in a tensioned state.

As described above, in order to connect the cable 16 to the cam plate 8 in a tensioned state, the cam plate 8 must be set so as not to rotate.

Accordingly, the cam plate 8 is fixed by the setting pin member 5 so as not to rotate in the initial position.

1 to 3, the setting pin member 5 includes a setting protrusion 18 formed on the cam plate 8 and a receiving protrusion 20 formed on the air conditioning case 4. One setting part (S) and a fixing part (P) inserted and fixed to the setting part (S).

The setting protrusion 18 of the setting part S protrudes from one side edge of the cam plate 8 to form a fitting hole 22.

The accommodation protrusion 20 of the setting part S protrudes from the air conditioning case 4 and includes an accommodation hole 24 and a locking groove jaw 26 having the same diameter as the fitting hole 22.

In addition, the fixing part P is formed with an insertion pin 28 inserted into the fitting hole 22 of the setting protrusion 18 and the receiving hole 24 of the receiving protrusion 20.

The insertion pin 28 serves to fix the cam plate 8 so as not to rotate.

In addition, the insertion pin 28 of the fixing portion P, the rib 30 is formed at intervals on the outer circumferential surface to be able to forcibly inserted into the receiving hole (24).

The insertion pin 28 has a key plate 32 formed to be inserted into the fitting hole 22 and the receiving hole 24 and then rotated so as to closely contact the locking groove jaw 26 so as not to be caught by the fitting hole 22 and separated. It is.

In addition, a pin handle 34 is formed in the fixing portion P so that the insertion pin 28 can be easily operated.

The setting pin member 5 is an insertion pin 28 of the fixing portion P along a central axis connecting the fitting hole 22 of the insertion protrusion 18 and the accommodation hole 24 of the accommodation protrusion 20. ), The cam plate 8 is fixed to the air conditioning case 4.

At this time, the ribs 30 formed in the insertion pin 28 are crushed when inserted into the receiving hole 24 of the receiving protrusion 20 so that the fixing part P is firmly coupled.

The fixing portion P of the setting pin member 5 is removed after the air conditioner is mounted on the vehicle. The fixing part P removed from the air conditioning case 4 is discarded because it cannot be used again because the ribs 30 of the insertion pin 28 are damaged.

As described above, the fixing part P of the conventional setting pin member 5 has a problem of causing a cost increase as it must be disposed of after one use.

In addition, since the fixing part P of the setting pin member 5 is inserted and set along the central axis formed in the setting part S, there is a problem that the peripheral parts are subjected to interference during the setting operation.

That is, since the structure to detach the setting pin member 5 in a direction perpendicular to the cam plate is difficult to secure the working space.

In addition, when the air conditioner case 4 is installed in the vehicle, the fixing part P of the setting pin member 5 needs to be separated, and the fixing part P is pulled out toward the peripheral part side in a narrow space. There is an uncomfortable problem.

The present invention has been proposed in order to solve the above problems of the prior art, an object of the present invention, in the manual type for driving the door by operating the cable to the controller in the air conditioner case door drive unit such as cam and lever in the initial position fixing It is to make setting easy.

Another object of the present invention is to be able to pull the fixing member that has set the door drive unit in the initial position to the air conditioner in the direction of the operator, so that it can be easily removed without interference from the peripheral parts.

Still another object of the present invention is to form a setting part formed between the door driving part and the air conditioning case so as to be exposed to the front of the operator's view, so that the fixing member can be easily coupled or separated without interference of peripheral parts.

The present invention for achieving the object, the door drive unit having a cam and a lever installed on the outer surface of the air conditioning case to rotate the door, and the door drive unit between the door drive unit and the air conditioning case in the initial position In the vehicle air conditioner comprising a position setting member to be set to, wherein the position setting member, characterized in that it comprises a fixing member for fixing the setting portion protruding between the door drive and the air conditioning case facing.

The fixing member may include a fastening part formed to surround the outer circumferential surface of the setting part, a protrusion formed on the inner circumferential surface of the fastening part, and a handle protruding to a predetermined length on the outer circumferential surface of the fastening part.

The protrusion is characterized in that it is formed to a height that can be inserted into the receiving hole formed in the second fixing part of the setting part.

The protrusion is characterized in that formed in a straight line with the handle.

The setting part may include a first fixing part formed in the door driving part and a second fixing part formed on the outer surface of the air conditioning case so as to be close to the first fixing part.

According to the present invention, there is an effect that the door drive unit including the cam and the lever for driving the door can be easily fixed to the initial position by the operation of the manual type controller.

In addition, after mounting the air conditioning case in the vehicle and pulling the fixing member toward the operator can be easily removed without interference of the peripheral parts.

In addition, since the fixing member can be repeatedly reused, there is an effect of reducing the cost of the manufacturing of the fixing member.

1 is a view showing a door driving unit for a vehicle air conditioner according to the prior art.
FIG. 2 is a side cross-sectional view showing the one side door drive unit shown in FIG. 1. FIG.
3 is a view showing the setting pin member shown in FIG.
Figure 4 is a view showing a position setting member for a vehicle air conditioner according to an embodiment of the present invention.
Fig. 5 is a partial side cross-sectional view showing the positioning member shown in Fig. 4.
FIG. 6 is a view showing a state before setting of the position setting member shown in FIG. 4; FIG.
FIG. 7 is a plan view showing the position setting member shown in FIG. 4; FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the door driving unit 2 is provided at the outer wall of the air conditioning case 4 and the intake duct 6.

As shown in FIGS. 1 and 2, the door driver 2a provided in the air conditioning case 4 of the door driver 2 is fixed to the rotation shaft D1 of the door D. ) And a cam plate 8 to which a slot 12 into which the pivot 10 of the lever 14 is inserted is formed, and to which a cable 16 for transmitting a manipulation force is connected and installed according to an operation of a control (not shown). Include.

The cam plate 8 is set to the setting pin member 5 so as not to rotate while being in the initial position. 1 to 3, the setting pin member 5 includes a setting protrusion 18 formed on the cam plate 8 and a receiving protrusion 20 formed on the air conditioning case 4. One setting part (S) and a fixing part (P) inserted and fixed to the setting part (S).

Next, the features of the position setting member for the vehicle air conditioner according to the present invention will be described in detail with reference to FIGS. 4 to 7.

Positioning member 50 for a vehicle air conditioner according to the present invention, as shown in Figure 4, the end of the setting portion (S) protruding formed between the door driving unit 2 and the air conditioning case (4) facing It is provided with a fixing member 52 to be easily inserted and fixed in the direction.

The fastening part 54 is formed in the said fixing member 52 so that the outer peripheral surface of the setting part S may be wrapped. And the fastening part 54 is provided with the insertion opening 54G so that it may be inserted in the setting part S. FIG.

The fastening part 54 is formed in a predetermined area to fix both the first fixing part 56 and the second fixing part 58 of the setting part S to be described later.

In addition, the fixing member 52 is formed with a protrusion 60 protruding from the inner circumferential surface of the fastening portion 54.

This protrusion 60 is formed to be inserted only in the second fixing portion 58 while avoiding interference with the first fixing portion 56 of the setting portion S to be described later.

In addition, the protrusion 60 is formed to a height that can be inserted into the receiving hole 62 formed in the second fixing portion 58 of the setting portion (S).

In addition, the protrusion 60 is preferably formed in a straight line with the handle 64 so as to be easily inserted into the accommodation hole 62.

In addition, the fixing member 52, a handle 64 protruding to a predetermined length on the outer peripheral surface of the fastening portion 54 is formed.

The handle 64 extends from the outer circumferential surface of the fastening part 54 provided between the door driving part 2 and the air conditioning case 4.

Such a handle 54 is formed between the door driving unit 2 and the air conditioning case 4, and is formed in a structure that can facilitate the operation of pulling or inserting in the longitudinal direction from the outside.

The setting unit S includes a first fixing unit 56 protruding from the door driving unit 2. The first fixing part 56 is formed to be close to the second fixing part 58 protruding on a surface facing the air conditioning case 4.

In the setting part S, a second fixing part 58 is formed in the air conditioning case 4 facing the door driving part 2. The second fixing part 58 is formed with a receiving hole 62 on the outer surface of the air conditioning case 4 so as to be close to the first fixing part 56.

The second fixing part 58 is formed to protrude so as to be close to the first fixing part 56 on a surface that can face the first fixing part 56 of the door driving unit 2 when being set.

The setting part S is formed by making the distance between the first fixing part 56 and the second fixing part 58 close, so that the fixing member 52 can be easily fixed.

The first fixing part 56 and the second fixing part 58 can change the installation position, respectively. That is, the second fixing part 58 having the receiving hole 62 may be formed in the door driving part 2.

Hereinafter, the operation of the present invention as described above will be described.

First, the door driving unit 2 for driving the mode doors such as the vent door, the floor door, and the defroster door of the air conditioning case 1 is vented to the positioning member 50 before the air conditioning case 1 is mounted on the vehicle. The mode is set to the initial position to enable it.

On the other hand, the deep mode and the floor mode may be set to disable the blowing, or may be set to enable the deep mode.

After setting the vent mode and floor mode to be impossible, the ends of the cables 16 are connected to the cable fixing means.

The vent mode referred to herein is vented to a face vent, the dip mode to a deep roaster vent, and the floor mode to a floor vent. And the heating mode allows the air passing through the evaporator to pass through the heater core.

As described above, the door driver 2 is set at the initial position by the fixing member 52 to fix the mode doors for switching the blowing.

The reason for setting the door driver 2 to the initial position is that the mode door is terminated when the process of rotating the cam and the lever, which are the door driver 2 by a predetermined angle, by the forward and backward operation of the cable 16 ends at a predetermined angle. Is to maintain the set angle, so that the user can blow the air in the desired mode.

If the door driver 2 is not set to the initial position, the movement distance of the cable 16 and the rotational movement distance of the cam and lever which are the door driver 2 do not match, so that the mode selection by the cable 16 is not performed. Will be incorrect.

Accordingly, the position setting member 50 is used to set the door driver 2 to the initial position.

The position setting member 50 includes a setting unit S provided with a first fixing unit 56 formed at the door driving unit 2 and a second fixing unit 58 formed at the air conditioning case 4. Equipped. The first fixing part 56 and the second fixing part 58 can change the installation position, respectively. That is, the second fixing part 58 having the receiving hole 62 may be formed in the door driving part 2.

The position setting member 50 is fixed immediately when the fixing member 52 is inserted toward the setting part S in the longitudinal direction. Accordingly, when the setting part S is fixed by the fixing member 52, the door driving part 2 is simply set to the initial position.

Here, the fixing member 52 is to fix the first fixing part 56 and the second fixing part 58 of the setting unit (S) together. Thereby, the door drive part 2 including a cam and a lever outside the air conditioning case 4 is set to an initial position state.

In addition, the fixing member 52 is coupled so as not to move as the protrusion 60 is inserted into the accommodation hole 62 of the second fixing part 58 when the setting part S is fixed.

The protrusion part 60 is fixed so that the fixing member 52 does not rotate in the setting part S. FIG. Accordingly, the handle 64 is always located at the front.

Since the setting part S between the door drive part 2 and the air conditioning case 4 is seen in front, the fixing member 52 can facilitate the setting and removal operation for the initial position.

And, since the fixing member 52 is fixed in parallel with the outer wall of the air conditioning case 4, it is possible to maintain a firmly coupled state during transportation.

The fixing member 52 is removed after the air conditioning case 4 is mounted on the vehicle.

The fixing member 52 can be simply removed without the interference of the peripheral parts by pulling the handle 64, which is exposed in the longitudinal position on the front toward the operator.

The present invention is set so as not to move from the initial position by using the fixing member until the door driving unit, such as the cam and the lever is mounted on the vehicle, so that the rotational movement distance of the door driving unit and the moving distance of the cable exactly match, After removal, the mode selection by the cable is made to be accurate, it can be widely used in the vehicle air conditioning industry.

2: door drive unit 4: air conditioning case
50: positioning member 52: holding member
54: Fastening part 56: 1st fixed government
58: Second High Government 60: Protrusion
62: receiving hole 64: handle
S: setting part

Claims (8)

delete A door driving unit 2 having a cam and a lever installed on an outer surface of the air conditioning case 4 so as to rotate the blower switching door, and a door between the door driving unit 2 and the air conditioning case 4 facing each other. And a position setting member 50 for setting the driving unit 2 to an initial position, wherein the position setting member 50 is formed to protrude between the door driving unit 2 and the air conditioning case 4. In the vehicle air conditioner comprising a fixing member 52 for fixing the setting unit (S),
The fixing member 52,
A fastening part 54 formed to cover an outer circumferential surface of the setting part S;
A protrusion 60 protruding from the inner circumferential surface of the fastening part 54; And
Vehicle air conditioning apparatus comprising a handle (64) protruding to a predetermined length on the outer peripheral surface of the fastening portion (54). delete 3. The method of claim 2,
The protrusion part 60, the vehicle air conditioner, characterized in that formed in line with the handle (64). A door driving unit 2 having a cam and a lever installed on an outer surface of the air conditioning case 4 so as to rotate the blower switching door, and a door between the door driving unit 2 and the air conditioning case 4 facing each other. And a position setting member 50 for setting the driving unit 2 to an initial position, wherein the position setting member 50 is formed to protrude between the door driving unit 2 and the air conditioning case 4. In the vehicle air conditioner comprising a fixing member 52 for fixing the setting unit (S),
The setting unit S,
The first fixing part 56 formed in the door driving unit 2 and the second fixing part formed with the receiving hole 62 on the outer surface of the air conditioning case 4 so as to be close to the first fixing part 56. Vehicle air conditioning apparatus comprising a (58). A door driving unit 2 having a cam and a lever installed on an outer surface of the air conditioning case 4 so as to rotate the blower switching door, and a door between the door driving unit 2 and the air conditioning case 4 facing each other. And a position setting member 50 for setting the driving unit 2 to an initial position, wherein the position setting member 50 is formed to protrude between the door driving unit 2 and the air conditioning case 4. In the vehicle air conditioner comprising a fixing member 52 for fixing the setting unit (S),
The setting unit S,
The second fixing unit 58 formed with the receiving hole 62 in the door driving unit 2 and the first fixing unit 56 formed in the air conditioning case 4 so as to be close to the second fixing unit 58. Vehicle air conditioning apparatus comprising a). A door driving unit 2 having a cam and a lever installed on an outer surface of the air conditioning case 4 so as to rotate the blower switching door, and a door between the door driving unit 2 and the air conditioning case 4 facing each other. And a position setting member 50 for setting the driving unit 2 to an initial position, wherein the position setting member 50 is formed to protrude between the door driving unit 2 and the air conditioning case 4. In the vehicle air conditioner comprising a fixing member 52 for fixing the setting unit (S),
The fixing member 52,
Vehicle air conditioning apparatus, characterized in that sliding along the outer surface of the air conditioning case (4) to be removable through the space between the door drive unit (2) of the air conditioning case (4). delete

Images