KR102592439B1 - Air conditioner for vehicle - Google Patents

Abstract

The present invention relates to an air conditioning device for a vehicle that improves the assembly of an air conditioning case and a door coupled to the air conditioning case. An air conditioning system for a vehicle includes at least one of an air conditioning case with an air inlet on one side and an air discharge port through which the introduced air is discharged on the other side, an evaporator and heater core installed inside the air conditioning case, and an air passage and air outlet provided inside the air conditioning case. It includes a door installed to adjust one opening degree, and the door is composed of a door plate provided to be sliding and a drive gear rotatably installed in the air conditioning case to operate the door plate, and the air conditioning case includes at least one of the drive gears. It includes a driving gear seating portion on which a portion is seated, and the driving gear includes a separation prevention portion in contact with the outside of the driving gear seating portion. The present invention can improve the assembling of the door and the air conditioning case by providing a separation prevention part on the door.

Description

Vehicle air conditioning system {AIR CONDITIONER FOR VEHICLE}

The present invention relates to an air conditioning device for a vehicle, and more specifically, to an air conditioning device for a vehicle that improves the assembling of an air conditioning case and a door coupled to the air conditioning case.

A vehicle air conditioning system is an interior part of a car that is installed for the purpose of cooling and heating the car's interior in summer or winter, or removing frost from the windshield in rainy weather or winter to ensure the driver's front and rear visibility. Such vehicle air conditioning devices are usually equipped with both a heating and cooling device, so they cool, heat, or ventilate the interior of the vehicle by selectively introducing outside or inside air, then heating or cooling this air and blowing it into the interior of the vehicle.

According to the independent structure of the blower unit, evaporator unit, and heater core unit, this vehicle air conditioner is a three-piece type in which the three units are independently provided, and the evaporator unit and heater core unit are built into the air conditioning case and the blower unit. It can be roughly divided into a semi-center type in which the unit is provided as a separate unit, and a center mounting type in which all three units are built into the air conditioning case.

In this way, the air conditioning device for a vehicle is provided in the form of an air conditioning case. In this air conditioning case, an air inlet and an air outlet are provided on the outside, and at least one air passage is provided on the inside. The air that flows into the air conditioning case through the air inlet passes through the evaporator and heater core along the air passage and is discharged to the outside of the air conditioning case through the air outlet.

Doors are provided in these air passages and air outlets to adjust their opening degrees. Through the door, you can control the air flow inside the air conditioning case and provide balanced air to the desired location and direction.

Generally, an air conditioning case is constructed by assembling the left and right cases. Accordingly, the vehicle air conditioning system is assembled by installing the internal components in one case and combining the other case.

At this time, one side of the case is laid down on the assembly table, one side of the door is seated on the case, and the other side of the case is joined. However, due to the nature of the door, which must be rotatably coupled to the case, the door was not fixed to one side of the case, causing inconvenience during the assembly process.

Because the door is not properly seated on one side of the case, a lot of time and effort is consumed in the assembly process. If the door is installed incorrectly in the air conditioning case, problems such as assembly itself being impossible or the door not operating properly occur.

The purpose of the present invention to solve the above problems is to provide an air conditioning device for a vehicle that improves the assembly of the air conditioning case and the door by adding a separate separation prevention part to the door.

An air conditioning device for a vehicle according to the spirit of the present invention includes an air conditioning case formed with an air inlet on one side and an air discharge port through which the introduced air is discharged on the other side, an evaporator and a heater core installed inside the air conditioning case, and an air conditioning case inside the air conditioning case. It includes a door installed to adjust the opening degree of at least one of the air passage and the air outlet, wherein the door includes a door plate provided to be slidably movable, and a drive rotatably installed in the air conditioning case to operate the door plate. It is composed of a gear, and the air conditioning case includes a driving gear seating portion on which at least a portion of the driving gear is seated, and the driving gear includes a separation prevention portion in contact with an outside of the driving gear seating portion.

Seating parts that are seated on the driving gear seating part are provided on both sides of the driving gear, and the seating part may be in contact with the inside of the driving gear seating part.

The seating portion and the separation prevention portion may be provided in parallel so that the seating portion is in contact with the inside of the driving gear seating portion and the separation prevention portion is in contact with the outside of the driving gear seating portion.

The distance between the seating portion and the separation prevention portion may be wider than the thickness of the driving gear seating portion.

At least a portion of the driving gear seating portion is disposed between the seating portion and the separation prevention portion to prevent the driving gear from being separated from the air conditioning case.

The driving gear includes a contact portion in contact with the door plate and a seating portion extending from the contact portion to the air conditioning case to be inserted into the driving gear seating portion, and the separation prevention portion surrounds at least a portion of the driving gear seating portion at the contact portion. It may protrude as much as possible.

The air conditioning case is constructed by assembling the left and right cases (111 and 112), and the driving gear seating portion may be provided in the left and right cases, respectively.

The driving gear includes a pair of contact parts in contact with the door plate, a connection part connecting the pair of contact parts, and a pair of seating parts respectively seated on the driving gear seating parts of the left and right cases, and the separation prevention part is connected to the contact part. It may protrude in the same direction as the seating portion.

The separation prevention portion may be provided on only one of the pair of contact portions.

The air outlet is provided with a first outlet and a second outlet, and the door plate can be slidably installed on the first outlet and the second outlet to adjust the opening degrees of the first outlet and the second outlet. there is.

The present invention can improve the assembling of the door and the air conditioning case by providing a separation prevention part on the door.

Additionally, the door can be coupled to the air conditioning case in the correct direction and malfunction of the door can be prevented.

Figure 1 is a diagram showing an air conditioning system for a vehicle according to an embodiment of the present invention.
Figure 2 is a diagram showing the combination of an air conditioning case and a door of a vehicle air conditioning system according to an embodiment of the present invention.
3 to 6 are diagrams showing the assembly process of a vehicle air conditioning system according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings showing preferred embodiments.

Figure 1 is a diagram showing an air conditioning system for a vehicle according to an embodiment of the present invention.

An air conditioning system for a vehicle is provided with an air conditioning case (10) in which an air inlet and an air outlet (30) are formed. That is, the air conditioning case 10 is provided with an air inlet on one side and an air discharge port 30 through which the introduced air is discharged on the other side.

The air conditioning case 10 may be prepared by assembling a divided left case 12 and a right case 11. At least one air inlet and air outlet 30 may be provided. A blower 20 is installed at the air inlet.

The blower 20 may include an internal air inlet and an external air inlet that are opened and closed by an internal/external air switching door to selectively introduce internal or external air. In addition, the blower 20 includes a blower fan provided to blow air introduced through the internal air inlet and the external air inlet toward the air conditioning case 10.

In general, a plurality of air discharge ports 30 are provided and connected to a duct communicating with a specific part of the vehicle interior. Accordingly, the cooled and heated air can be discharged to a specific part of the vehicle interior. For example, it may be discharged onto the windshield of the vehicle, towards the faces and feet of the front seat occupants, and towards the faces and feet of rear seat occupants.

As shown in FIG. 1, the air outlet 30 is provided with a first outlet 31 and a second outlet 32.

A cooling heat exchanger and a heating heat exchanger are disposed in the air conditioning case 10. The cooling heat exchanger may be provided as an evaporator 40 installed on the refrigerant circulation line. As the refrigerant circulates, the evaporator 40 exchanges heat with the passing air and cools the air. The heating heat exchanger may be provided with a heater core 50.

The evaporator 40 and the heater core 50 are arranged to be spaced apart within the air conditioning case 10. As shown in FIG. 1, the evaporator 40 is disposed adjacent to the blower 20 so that the air introduced through the blower 20 provided at the air inlet passes through the evaporator 40. In order to heat the air passing through the evaporator 40, the heater core 50 is disposed upstream and downstream of the air flow of the evaporator 40.

Additionally, an air passage is formed inside the air conditioning case 10 to regulate the flow of air. By controlling the flow of air flowing inside the air conditioning case 10 through the air passage, the required conditioned air can be obtained by selectively passing through the heater core 50.

The air passage includes a first flow path (P1) and a third flow path (P3) provided to bypass the heater core 50, and a second flow path (P2) provided to pass through the heater core 50.

Additionally, the vehicle air conditioning system includes doors 60 and 70 installed to adjust the opening degree of at least one of the air passage and the air outlet 30.

Hereinafter, the door provided to adjust the opening degree of the air outlet 30 is referred to as the first door 60, and the door provided to adjust the opening degree of the air conditioning passage is referred to as the second door 70.

The first door 60 is movably installed at the air outlet 30. The first door 60 includes a driving gear 62 and a door plate 64 and is provided to be slidably movable.

As shown in FIG. 1, the driving gear 62 is disposed between the first discharge port 31 and the second discharge port 32 so that the door plate 64 is connected to the first discharge port 31 and the second discharge port 32. Operates to open and close at least part of the

As previously described, the first outlet 31 and the second outlet 32 are connected to different parts of the vehicle interior. Therefore, conditioned air can be supplied to a desired location as the door plate 64 moves.

The second door 70 is installed inside the air conditioning case and controls the temperature of the air by controlling the flow path that passes or bypasses the heater core 50. Therefore, the second door 70 is also called a temperature control door, and the amount of air passing through the evaporator 40 or bypassing the heater core 50 can be determined depending on its arrangement.

As shown in FIG. 1, the second door 70 is disposed between the evaporator 40 and the heater core 50.

Figure 1 shows the maximum heating mode in which all air passing through the evaporator 40 passes through the heater core 50.

In FIG. 1, the second door 70 blocks the first flow path (P1) and the third flow path (P3) that bypass the heater core 50, thereby allowing air to pass through the heater core 50 through a second flow path ( It is arranged to flow to P2).

In addition, the second door (P2) blocks the second flow path (P2) passing through the heater core 50, so that all air passes through the first flow path (P1) and the third flow path (P3) bypassing the heater core 50. ) can be arranged to flow.

Additionally, the second door 70 may be arranged to open a portion of the first to third passages P1 to P3 to discharge air at a desired temperature.

The vehicle air conditioning system shown in FIG. 1 is only an example, and the number and arrangement of its internal components may vary.

Figure 2 is a diagram showing a door of a vehicle air conditioning system according to an embodiment of the present invention. Hereinafter, the first door is referred to as a door. Figure 2 is a partial cross-sectional view of the coupling portion excluding unnecessary parts to illustrate the coupling of the drive gear 62 and the air conditioning case 10.

As described above, the door 60 is composed of a sliding door plate 64 and a drive gear 62 that operates the door plate 64.

The driving gear 62 is coupled to a driving source such as a motor and is rotatably installed in the air conditioning case 10. The driving gear 62 is gear-coupled with the door plate 64 and moves the door plate 64.

The air conditioning case 10 includes a driving gear seating portion 13 on which at least a portion of the driving gear 62 is mounted. The driving gear seating portion 13 may be provided integrally with the inner surface of the air conditioning case 10. Additionally, it may be manufactured as a separate part from the air conditioning case 10.

The drive gear seating portion 13 may be provided in a concave groove for seating the drive gear 62 or may be provided in a form that surrounds a portion of the drive gear 62. Additionally, an opening may be provided on one side so that the driving gear 62 is coupled to the driving source.

The driving gear 62 consists of a contact part 63 in contact with the door plate 64, and a seating part 61 that extends from the contact part 63 to the air conditioning case 10 and is rotatably coupled to the air conditioning case 10. do. In general, the contact portion 63 and the seating portion 61 are provided as a pair spaced apart from each other, and they are connected by a connection portion 65.

The seating portion 61 is provided to be seated on the drive gear seating portion 13, and the seating portion 61 may be in contact with the inside of the driving gear seating portion 13. However, since the driving gear 62 must be rotatably coupled to the air conditioning case 10, the driving gear seating portion 13 is provided wider than the seating portion 61.

Additionally, the driving gear 62 includes a separation prevention part 66 in contact with the outside of the driving gear seating part 13.

That is, the seating portion 61 is in contact with the inside of the drive gear seating portion 13, and the separation prevention portion 66 is arranged to contact the outside of the driving gear seating portion 13. Accordingly, at least a portion of the drive gear seating portion 13 is disposed between the seating portion 61 and the separation prevention portion 66.

In addition, so that the driving gear 62 can rotate smoothly, the distance between the seating portion 61 and the separation prevention portion 66 must be wider than the thickness of the driving gear seating portion 13.

The separation prevention portion 66 may protrude from the contact portion 63 to surround at least a portion of the driving gear seating portion 13. It may be provided in the form of a ring formed integrally with the contact portion 63.

As shown in FIG. 2, the separation prevention portion 66 and the seating portion 61 are provided in a shape that protrudes in the same direction from the contact portion 63 and may be provided parallel to each other.

In general, the contact portion 63 and the seating portion 61 are provided as a pair spaced apart from each other, and they are connected by a connection portion 65.

The connection portion 65 may be provided in the form of a rod with contact portions 63 and seating portions 61 at both ends. The contact portion 63 may be provided in the form of at least one toothed gear and gear-coupled with the first door plate 64. The seating portion 61 is provided in the form of a protruding protrusion to be rotatably coupled to the air conditioning case 10.

Additionally, the drive gear seating portion 13 may be provided in the left and right cases 11 and 12, respectively, corresponding to the seating portion 61.

The separation prevention portion 66 may be provided only on one of the pair of contact portions 63. This will be explained below in the assembly process of the vehicle air conditioning system.

3 to 6 are diagrams showing the assembly process of a vehicle air conditioning system according to an embodiment of the present invention. This is only an example of an assembly process, and the vehicle air conditioning system according to the present invention can be assembled in various ways. Additionally, in Figures 5 and 6, only the assembly of the door is explained, excluding the assembly of other components.

As described above, the air conditioning case 10 is prepared by assembling the divided left case 12 and right case 11.

As shown in Figure 3, the right case 11 is laid down on the assembly table. For the stability of assembly, the outer surface of the right case 11 may be provided flat. The inner surface of the right case 11 may be provided with a shape for installation of various components.

As shown in FIG. 3, a drive gear seating portion 13 is provided on the inner surface of the right case 11.

As shown in Figure 4, the first door (door, 60) is mounted on the right case (11). As described above, the seating portion 61 is installed so that it is seated on the driving gear seating portion 13.

As shown in FIG. 5, the second door 70 is mounted on the right case 11. At this time, the installation order of the first door 60 and the second door 70 is irrelevant.

Finally, as shown in FIG. 6, the left case 12 is coupled to the right case 11. The inner surface of the left case 12 is provided in a shape that corresponds to and is coupled to the inner surface of the right case 11.

At this time, one side of the door 60 is coupled to the left case 11 and is seated perpendicular to the floor. Additionally, since the door 60 and the air conditioning case 10 must be rotatably coupled, it is difficult to fix them to each other.

In particular, because the driving gear seating portion 13 is provided wider than the seating portion 61 for rotation of the driving gear 62, the driving gear 62 is not well fixed to the driving gear seating portion 13 and may be separated. You can. In other words, since only one end is inserted into the driving gear seating portion 13, it may collapse.

At this time, this is prevented because the separation prevention part 66 is arranged to surround the outside of the drive gear seating part 13. That is, even if the upper part of the driving gear 62 shakes, it does not fall down because the driving gear seating part 13 is disposed between the separation prevention part 66 and the seating part 61.

As previously explained, the separation prevention part 66 can be provided on only one side to provide directionality. The seating portion 61 coupled to the left case 11 does not require a separation prevention portion 66.

In addition, the direction can be recognized during assembly, preventing incorrect assembly of each part and reducing assembly time.

In the above, embodiments according to the present invention have been described. However, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various changes without departing from the gist of the technical idea of the invention as set forth in the claims below. You will be able to.

10: Air conditioning case 13: Drive gear seating part
20: blower 30: air outlet
40: Evaporator 50: Heater core
60: first door (door) 61: seating portion
62: driving gear 63: contact part
64: door plate 65: connection part
66: escape prevention unit 70: second door

Claims (10)

An air conditioning case (10) having an air inlet on one side and an air discharge port (30) through which the introduced air is discharged on the other side;
An evaporator 40 and a heater core 50 installed inside the air conditioning case 10;
It includes a door 60 installed to adjust the opening degree of at least one of the air passage and the air outlet 30 provided inside the air conditioning case 10,
The door 60 is composed of a sliding door plate 64 and a drive gear 62 rotatably installed in the air conditioning case 10 to operate the door plate 64,
The air conditioning case 10 includes a driving gear seating portion 13 on which at least a portion of the driving gear 62 is seated, and the driving gear 62 has a detachment contacting the outside of the driving gear seating portion 13. Includes a prevention unit 66,
Seating parts 61 are provided on both sides of the driving gear 62 to be seated on the driving gear seating part 13, and the seating parts 61 are in contact with the inside of the driving gear seating part 13,
The seating portion 61 is in contact with the inner side of the driving gear seating portion 13 and the separation prevention portion 66 is in contact with the outer side of the driving gear seating portion 13, so that the seating portion 61 and the separation portion are in contact with each other. The prevention portion 66 is provided in parallel,
The distance between the seating portion 61 and the separation prevention portion 66 is formed to be wider than the thickness of the driving gear seating portion 13,
The driving gear 62 includes a contact portion 63 in contact with the door plate 64 and a seating portion extending from the contact portion 63 to the air conditioning case 10 to be inserted into the driving gear seating portion 13 ( 61), including
The separation prevention portion 66 protrudes only from the contact portion 63 to the outside of the driving gear seating portion 13 to surround at least a portion of the driving gear seating portion 13,
The seating portion 61 is in contact with the inner side of the driving gear seating portion 13 only in some sections, and a space 68 is formed in the portion that is not in contact between the seating portion 61 and the driving gear seating portion 13. Characterized by a vehicle air conditioning system. delete delete delete According to claim 1,
At least a portion of the driving gear seating portion 13 is disposed between the seating portion 61 and the separation prevention portion 66 to prevent the driving gear 62 from being separated from the air conditioning case 10. An air conditioning device for a vehicle, characterized in that: delete According to claim 1,
The air conditioning case 10 is composed of left and right cases 11 and 12 assembled,
An air conditioning device for a vehicle, characterized in that the driving gear seating portion (13) is provided in the left and right cases (11 and 12), respectively. According to claim 7,
The driving gear 62 includes a pair of contact parts 63 in contact with the door plate 64, a connection part 65 connecting the pair of contact parts 63, and a driving gear of the left and right cases 11 and 12. It includes a pair of seating portions 61 each seated on the seating portion 13,
The separation prevention part (66) is an air conditioning device for a vehicle, characterized in that the separation prevention part (66) protrudes from the contact part (63) in the same direction as the seating part (61). According to claim 8,
An air conditioning device for a vehicle, characterized in that the separation prevention portion (66) is provided only on one of the pair of contact portions (63). According to claim 1,
The air outlet 30 is provided with a first outlet 31 and a second outlet 32,
The door plate 64 is slidably installed on the first outlet 31 and the second outlet 32 to adjust the opening degrees of the first outlet 31 and the second outlet 32. Characterized by a vehicle air conditioning system.

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