KR20100086766A - Air conditioning system for automotive vehicles - Google Patents

Abstract

PURPOSE: An air conditioning system for a vehicle is provided to minimize the number of screws to be used for coupling by hanging and supporting one end of a cover on an air conditioning case and by coupling only the other end of the cover with a screw. CONSTITUTION: An air conditioning system for a vehicle comprises a heater core(3), a heater core pipe(1), and a cover(7). The heater core is installed in an air conditioning case and exchanges heat with air. An engine cooling water is flown into the heater core through the heater core pipe and the engine cooling water is discharged from the heater core. The cover covers the heater core pipe. One end(7a) of the cover is supported by hanging on the air conditioning case and the other end(7b) is screwed to the air conditioning case. A fixing unit(50) fixing the heater core pipe is installed on the cover and the air conditioning case. A supporting protrusion(32) is formed on one end of the cover and a supporting hole(34) is formed on one side of the air conditioning case corresponding to the supporting protrusion.

Description

Air Conditioning System for Vehicles {AIR CONDITIONING SYSTEM FOR AUTOMOTIVE VEHICLES}

The present invention relates to a vehicle air conditioning system, and more particularly, by improving the assembly structure of the cover covering the heater core pipe, a vehicle air conditioning system that can reduce the number of unnecessary parts and assembly labor, improve workability and reduce cost It is about.

The vehicle air conditioning system is provided with various pipes for pumping the heat exchange medium of the heat exchanger. One example is a heater core pipe.

As shown in FIG. 1, the heater core pipe 1 introduces cooling water from an engine (not shown) into the heater core 3 and returns the cooling water discharged from the heater core 3 to the engine.

The heater core pipe 1 is made of a metal material, for example, aluminum, which is easy to bend in accordance with the external shape of the air conditioning case 5 without being damaged by foreign matters or the like.

On the other hand, since the high temperature engine coolant is fed to the heater core pipe 1, the surface temperature is very high. Therefore, when a passenger in the vehicle cabin comes in contact with the passenger, there is a risk of causing burns to the passenger, so that the passenger is covered with a separate cover 7 and blocked.

The cover 7 is made of a material having a low thermal conductivity, for example, a synthetic resin material, and manufactured separately, and then covers both heater core pipes 1 at once. This cover 7 is fastened to the air conditioning case 5 with a screw 8. The screw 8 is fastened to the air conditioning case 5 by combining two parts of one part of the cover 7 and one part of the other part.

By the way, this conventional cover (7) has to be fastened to the air conditioning case (5) by using a plurality of screws (8), there is a disadvantage that the assembly work is very cumbersome and requires a lot of manual work, due to this disadvantage work time There is a delay. In particular, work time is delayed, resulting in poor workability and productivity.

In addition, the conventional cover 7 has a disadvantage in that a plurality of screws 8 must be provided because three screws 8 must be fastened in order to be fixed to the air conditioning case 5, and the number of parts increases due to these disadvantages. And, there is a problem that the production cost is increased due to the increased number of parts.

The present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to provide a vehicle air conditioning system that can be stably assembled to the air conditioning case while reducing the number of screws to a minimum.

Another object of the present invention, the cover can be reliably assembled with a minimum number of screws, so that the number of parts can be reduced, the vehicle cost can significantly reduce the manufacturing cost and manufacturing cost according to the number of parts To provide an air conditioning system.

Still another object of the present invention is to provide a vehicle air conditioning system that does not require fastening a plurality of screws, since the cover can be stably assembled with a minimum number of screws.

Still another object of the present invention is to provide an air conditioning system for a vehicle that can quickly and easily perform the assembly work of the cover, since it is not necessary to fasten a plurality of screws one by one.

Still another object of the present invention is to provide an air conditioning system for a vehicle that can quickly and easily assemble the cover, thereby improving workability and productivity.

In order to achieve the above object, the vehicle air conditioning system of the present invention, a heater core mounted inside the air conditioning case and heat exchange with the air, a heater core pipe for introducing and discharging the engine coolant into the heater core, and the heater core pipe In the vehicle air conditioning system having a cover for covering the cover, the cover has a structure in which one end is supported by hanging on the air conditioning case, and then the other end is screwed and assembled to the air conditioning case, the cover and the air conditioning case, Fixing means for fixing a portion of the heater core pipe is characterized in that it is installed.

Preferably, a support protrusion is formed at one end of the cover, and a support hole is formed at one side of the air conditioning case corresponding thereto, and the support protrusion is supported by being supported by the support hole. One end is supported by the air conditioning case.

According to the air conditioning system for a vehicle according to the present invention, since one end of the cover is supported on the air conditioner case, only the other end is screwed, and thus the number of fastening screws can be minimized.

In addition, since the number of fastening screws can be minimized, the number of parts can be reduced, and the manufacturing cost and manufacturing cost can be drastically lowered according to the reduction of the number of parts.

In addition, since one end of the cover is supported on the air conditioning case, only the other end of the structure is screwed, so that the assembly speed is very fast and simple.

In addition, since the assembly speed is very fast and simple, workability and productivity are greatly improved.

In addition, since the end portion of the heater core pipe is fixed to the air conditioning case, the flow of the heater core pipe is prevented, and therefore, there is an effect of preventing noise and pipe damage due to the flow of the heater core pipe.

Best Mode for Carrying Out the Invention Preferred embodiments of a vehicle air conditioning system according to the present invention will be described in detail with reference to the accompanying drawings (the same components will be described with the same reference numerals).

Figure 2 is an exploded perspective view showing the features of the vehicle air conditioning system according to the present invention, Figure 3 is a cross-sectional view showing a coupled state of FIG.

 First, prior to looking at the features of the present invention, a brief description will be given of the heater core pipe 1 and the cover 7 covering the air conditioning system with reference to FIGS. 2 and 3.

The heater core pipe 1 includes an inlet pipe 1a connected to the inlet 3a of the heater core 3 and an outlet pipe 1b connected to the outlet 3b of the heater core 3, These inlet and outlet pipes 1a and 1b are connected to an engine (not shown) through a dash panel 9.

Here, a sealing member 10 is provided between the inlet and outlet pipes 1a and 1b and the dash panel 9. The sealing member 10 hermetically seals between the inlet and outlet pipes 1a and 1b and the dash panel 9.

The heater core pipe 1 introduces the cooling water of the engine into the heater core 3 and returns the cooling water discharged from the heater core 3 to the engine. Therefore, high temperature cooling water is introduced into the heater core 3 to heat exchange with the surrounding air. As a result, the heat exchanged high-temperature air is supplied into the vehicle interior, thereby warming up the temperature in the vehicle interior.

The cover 7 is made of a material having low thermal conductivity, for example, a synthetic resin material, and covers both inlet and outlet pipes 1a and 1b at once.

Therefore, the passenger in the room is prevented from directly contacting the heater core pipe 1. As a result, the passenger's image due to direct contact with the heater core pipe 1 is prevented in advance.

Next, the features of the air conditioning system according to the present invention will be described in detail with reference to FIGS. 2 and 3.

First, the air conditioning system of the present invention includes an assembling apparatus 20 for assembling the cover 7 to the air conditioning case 5 in a fixed manner.

The assembling apparatus 20 includes a support means 30 capable of supporting the one end 7a of the cover 7 on the air conditioning case 5 and the other end 7b of the cover 7. 5) is provided with a fastening screw 40 for fastening.

The support means 30 includes a support protrusion 32 formed at one end 7a of the cover 7 and a support hole formed in the air conditioning case 5 so that the support protrusion 32 can be caught and supported. (34).

Since the supporting means 30 has a structure for supporting the supporting protrusions 32 on the supporting holes 34, one end portion 7a of the cover 7 on which the supporting protrusions 32 are formed is provided on the air conditioning case 5. Can be fixedly assembled.

In particular, one end portion 7a of the cover 7 can be fixedly assembled to the air conditioning case 5 only by supporting the support protrusion 32 by the support hole 34. Therefore, the assembly work of the cover 7 is very quick and simple.

 The fastening screw 40 is screwed into the screw hole 42 of the air-conditioning case 5 through the other end 7b of the cover 7. Therefore, the other end 7b of the cover 7 is fixedly assembled to the air conditioning case 5.

According to the assembling apparatus 20 of such a configuration, after assembling one end portion 7a of the cover 7 through the support protrusion 32 and the support hole 34, the cover (1) through one fastening screw 40 Since the other end 7b of 7) is assembled, the assembly work of the cover 7 is very easy and simple.

In particular, one end 7a and the other end 7b of the cover 7 can be fixed and assembled to the air conditioning case 5 only by supporting the support protrusion 32 to the support hole 34 and only one screw tightening operation. Because of the structure, the assembly of the cover can be performed very quickly and simply.

In addition, since only one fastening screw 40 is used to assemble the cover 7, the number of parts can be minimized. As a result, manufacturing cost and manufacturing cost can be reduced significantly.

On the other hand, in the figure of this invention, the one end part 7a of the cover 7 covers the heater core pipe 1 of the engine side, and the other end part 7b of the cover 7 is the heater core 3 side. Although shown as a part covering the heater core pipe 1 of the heater, in some cases, the one end 7a of the cover 7 is the part which covers the heater core pipe 1 of the heater core 3 side, and a cover The other end 7b of (7) may be a portion covering the heater core pipe 1 on the engine side.

In this case, the support protrusion 32 and the support hole 34 of the support means 30 for assembling the one end 7a of the cover 7 are configured corresponding to the heater core 3 side, and the cover 7 The fastening screw 40 for assembling the other end 7b of) will be configured corresponding to the engine side.

4 to 6, there are shown drawings showing another embodiment of an air conditioning system according to the present invention.

The air conditioning system of another embodiment further includes fixing means (50) for fixing the heater core pipe (1) portion of the engine side to the air conditioning case (5).

The fixing means 50 includes a first fixing bracket 52 and a first fixing bracket 52 which are formed in the air conditioner case 5 with seating grooves 52a on which a portion of the heater core pipe 1 can be seated. And a second fixing bracket 54 formed on the cover 7 so as to cover and block the seating groove 52a.

The first fixing bracket 52 is formed integrally with the air conditioning case 5 and has mounting grooves 52a open at one side thereof. The seating grooves 52a are configured to receive each of the inlet and outlet pipes 1a and 1b of the heater core pipe 1 through an open side.

The second fixing bracket 54 is formed integrally with one end 7a of the cover 7. The second fixing bracket 54 is fitted to the first fixing bracket 52 in the process of assembling the cover 7 to the air conditioning case 5. In particular, it is molded to cover and block the seating grooves 52a of the first fixing bracket 52. Thus, the inlet and outlet pipes 1a and 1b seated in the seating grooves 52a are fixed.

Here, in the first fixing bracket 52 and the second fixing bracket 54, the support protrusion 32 and the support hole 34 of the support means 30 for assembling one end portion 7a of the cover 7 are provided. Are respectively formed, and the first and second fixing brackets 52 and 54 are joined to each other by fitting the support protrusions 32 and the support holes 34.

According to such fixing means 50, since the heater core pipe 1 portion on the engine side is fixed to the air conditioning case 5, the flow of the heater core pipe 1 is prevented. Thus, noise and pipe damage due to the flow of the heater core pipe 1 are prevented.

In addition, the fixing means 50, while fixing the portion of the heater core pipe (1) on the engine side, the structure is fixed automatically in the process of assembling the cover 7, the heater core pipe (1) without additional fixing work Can be fixed quickly and quickly.

On the other hand, the first and second fixing brackets 52 and 54 mated to each other have a shape corresponding to the sealing member 10 on the side of the dash panel 9, and the first and second fixing brackets 52 of this shape are formed. , 54 is configured to be in close contact with the sealing member (10).

Again, referring to FIGS. 4 to 6, the fixing means 50 further includes a fastening bracket 60 for fastening the first fixing bracket 52 and the second fixing bracket 54 joined to each other.

The fastening bracket 60 includes a plate-shaped body 62 and a first holding hook 64 and a second holding hook 66 for holding each of the first fixing bracket 52 and the second fixing bracket 54. Include.

The plate-shaped body 62 has a shape corresponding to the first and second fixing brackets 52 and 54 mated to each other, and the body 62 of such a shape is the first and second fixing brackets 52 and 54. ) And the sealing member 10 is configured to be disposed without a gap.

The first holding hook 64 and the second holding hook 66 extend from the body 62 toward the first and second fixing brackets 52, 54, respectively. The extending first holding hook 64 and the second holding hook 66 hold the first and second fixing brackets 52 and 54, respectively.

In particular, the first holding hook 64 is held while being fitted into the holding hole 52b formed in the first fixing bracket 52, and the second holding hook 66 is the side portion 54a of the second fixing bracket 54. Hold). Therefore, both of the first and second fixing brackets 52 and 54 mated to each other are simultaneously held. As a result, the first and second fixing brackets 52 and 54 are fastened to maintain their mated state.

The fastening bracket 60 of this configuration fastens the first and second fixed brackets 52 and 54 joined together, thereby preventing separation of the first fixed bracket 52 and the second fixed bracket 54. Therefore, the heater core pipe 1 fixed between the first and second fixing brackets 52 and 54 is more stably fixed.

In addition, since the fastening bracket 60 fastens the first fixing bracket 52 and the second fixing bracket 54, the air conditioning case 5 and the second fixing bracket 54 connected to the first fixing bracket 52 are provided. And the cover 7 is also connected to serve at the same time. Therefore, the fixing force of the cover 7 to the air conditioning case 5 is further strengthened.

According to the air conditioning system of the present invention having such a configuration, since the one end portion 7a of the cover 7 is supported on the air conditioning case 5 by hanging, only the other end portion 7b is screwed, so that the fastening screw The number of uses of 40 can be minimized. Therefore, the number of parts can be reduced, and manufacturing cost and manufacturing cost can be drastically lowered according to the reduction of the number of parts.

In addition, since one end portion 7a of the cover 7 is supported by hanging on the air conditioning case 5, only the other end portion 7b is screwed, and thus, assembly is performed in comparison with the conventional case in which a plurality of fastening screws must be fastened. Fast and easy Therefore, workability and productivity are greatly improved.

Further, since the heater core pipe 1 portion on the engine side is fixed to the air conditioning case 5, the flow of the heater core pipe 1 is prevented. Therefore, there is an effect that can prevent noise and pipe damage due to the flow of the heater core pipe (1).

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

1 is a perspective view showing a conventional vehicle air conditioning system,

2 is an exploded perspective view showing features of the vehicle air conditioning system according to the present invention;

3 is a cross-sectional view showing a coupling state of FIG.

4 is an exploded perspective view showing another embodiment of the air conditioning system according to the present invention;

5 is an exploded perspective view showing in detail an enlarged feature of another embodiment;

6 is a cross-sectional view illustrating a coupling state of FIG. 5.

♣ Explanation of symbols for main part of drawing ♣

1: Heater Core Pipe 1a, 1b: Inlet and Outlet Pipes

1c: end 1d: connection part

3: heater core 5: air conditioning case

7: Cover 7a: one end

7b: other end 9: dash panel

10: sealing member 20: assembly device

30: support means 32: support protrusion

34: support hole 40: tightening screw

50: fixing means 52: first fixing bracket

52a: seating groove 54: second fixing bracket

60: fastening bracket 62: body

64: first holding hook 66: second holding hook

Claims (6)

A heater core (3) mounted inside the air conditioning case (5) to exchange heat with air, a heater core pipe (1) for introducing and discharging engine coolant into the heater core (3), and the heater core pipe (1) In the vehicle air conditioning system having a cover (7) covering the, The cover 7 has a structure in which one end portion 7a is supported by hanging on the air conditioning case 5, and then the other end portion 7b is screwed and assembled to the air conditioning case 5. The cover (7) and the air conditioning case (5), the vehicle air conditioning system, characterized in that the fixing means (50) for fixing a portion of the heater core pipe (1) is installed. The method of claim 1, A support protrusion 32 is formed at one end 7a of the cover 7, and a support hole 34 is formed at one side of the air conditioning case 5 corresponding to the support protrusion 32. Vehicle support system characterized in that one end (7a) of the cover (7) is supported by the air conditioning case (5) as the support projection (32) is supported by the support hole (34). The method according to claim 1 or 2, The fixing means 50, A first fixing bracket (52) formed in the air conditioning case (5) to have a seating groove (52a) on which a portion of the heater core pipe (1) can be seated; A vehicle air conditioning system, comprising a second fixing bracket (54) formed to cover and block the seating groove (52a) of the first fixing bracket (52) and formed on the cover (7). The method of claim 3, wherein The support hole (34) is formed in the first fixing bracket (52), the support projections (32) are formed in the second fixing bracket (54). The method of claim 3, wherein Further comprising a fastening bracket 60 for fastening the first fixing bracket 52 and the second fixing bracket 54, which are mated with each other, The fastening bracket 60 is a pair of holding the first and second fixing brackets 52 and 54 in the mating direction so that the first and second fixing brackets 52 and 54 can be held in a bonded state. Vehicle holding air conditioning system characterized in that it comprises a holding hook (64, 66). The method of claim 5, Further comprising a sealing member 10 for sealing between the first and second fixing brackets 52, 54 and the dash panel 9 mated to each other, The fastening bracket 60 is a vehicle air conditioning system, characterized in that disposed between the sealing member 10 and the first and second fixing brackets (52, 54) without a gap.

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