KR101586359B1 - Air conditioner for automotive vehicles - Google Patents

Abstract

The present invention relates to a vehicle air conditioner, and more particularly, it relates to a heater core cover for covering a heater core pipe, in which tension ribs are formed to facilitate coupling of a heater core pipe.

In order to accomplish the above object, the present invention provides a heater core comprising: a heater core accommodated in an air conditioning case and installed to discharge heat; a heater core pipe installed to allow the cooling water to flow in and out of the heater core; And a heater core cover coupled to cover the heater core pipe extending to the heater core pipe. The heater core cover is provided with a plurality of protrusions And a through-hole formed in a line-shaped cover surface corresponding to the tension rib, respectively.

Heater core, pipe, cover, grip part, through hole

Description

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

The present invention relates to a vehicle air conditioner, and more particularly, to a heater core cover for covering a heater core pipe, in which tension ribs are formed on a heater core cover to facilitate coupling, and to remove a mold frame for manufacturing a tension rib, And a through-hole formed in the through-hole.

In automobiles, the interior of a car is maintained comfortably regardless of the external environment. In addition, when the outside temperature is low, such as during the rainy season or the winter season, the windshield glass and the frost on the windshield are removed, Air conditioning system is installed so that it can be carried out.

Such an air conditioner is usually equipped with a heating system and a cooling system at the same time so that the outside air or the inside is selectively introduced and heated or cooled so as to be supplied to the interior of the automobile to heat or cool the inside of the automobile.

The air conditioner includes a three-piece type air conditioner in which a blower unit, an evaporator unit, and a heater core unit are independently configured, an evaporator unit and a heater core unit are integrated into a single air conditioner case, - Center Mounting Type) air conditioner, and a center mounting type air conditioner in which all three units are integrated into one air conditioner case.

1 is a view showing a semi-center mounting type air conditioner. The air conditioning apparatus includes an air conditioning case 50 which is symmetrically formed in the left-right direction or the up-and-down direction.

The inside of the air conditioner case 50 is partitioned into a first air passage 13 and a second air passage 14 so that the air introduced from the air inlet 11 can flow out to the outlet side.

An evaporator 30 and a heater core 40 are provided on the upstream side and the downstream side of the first air flow path 13, respectively.

A cool air passage C for passing the air cooled by the evaporator 30 and a hot air passage H for passing the air heated by the heater core 40 are formed on the first air passage 13, Is formed.

A temp door 15 is provided between the evaporator 30 and the heater core 40 to select the cold air passage C and the hot air passage H and adjust the amount of air passing therethrough.

A defrost vent 16 for discharging air to the front glass side according to the degree of opening of the tempo door 15 to remove the air is provided on the outlet side of the air conditioning case 50, A face vent 17 for discharging the air into the lower half of the vehicle cabin and a floor vent 18 for discharging air to the lower half of the cabin.

The vent 16, 17 and 18 are provided with a de-frost door 20, a face door 21 and a floor door 22, respectively, so as to control the discharged cold and warm air.

The maximum cooling mode in the above-described air conditioning apparatus is a mode in which the tempo door 15 is downwardly turned to block the warm air passage H and the cold air passage C is opened, The cool air cooled by the evaporator 30 is discharged to the passenger compartment through the face vent 17 and the floor vent 18.

The maximum heating mode is a mode in which the heated air is heated by the heater core 40 by opening the hot air passage H by upwardly moving the tempo door 15 upward as shown in Fig. , 18).

The cooling / heating mixing mode is a mode in which the tempdoor 15 is placed at the neutral position to mix air passing through the cold air passage C and the warm air passage H, Supply it indoors.

The heater core 40 for heating the air in such an air conditioner has upper and lower tanks 41 and 42 as a pair as shown in Fig. The upper tank 41 is connected to an inlet pipe 43a and an outlet pipe 43a for introducing / discharging high-temperature cooling water.

Between the upper and lower tanks 41 and 42, a plurality of tubes 45 forming a flow path of cooling water in the longitudinal direction are provided. A radiating fin 46 is provided between the tubes 45 and an end plate 47 is formed at an end where the radiating fin 46 is not provided.

2, the heater core pipe 43, which collectively includes the inflow / outflow pipes 43a and 43b, has a length (length) of the air conditioning case 50 in the upper tank 41 of the heater core 40, Is partially bent along the direction, and is installed outside. The heater core pipe 43 passes through the dash panel to the vehicle engine room side.

The heater core cover (60) is installed in the heater core pipe (43) to prevent the flow due to the vibration or impact of the vehicle and the user's contact. The heater core cover 60 covers the heater core pipe 43 and is mounted on the air conditioning case 50 by fixing means such as a screw.

2 and 3, the conventional heater core cover 60 is formed so that all portions except the end portion of the heater core pipe 43 projecting to the outside can be covered.

The heater core cover 60 is provided with a fastening portion 63 having fastening holes 62 at three points corresponding to the positions where the heater core pipe 43 joins and the end portions thereof.

The heater core cover 60 is fastened to the air conditioning case by fastening means such as a screw through a fastening portion 63.

In the heater core cover 60, the fastening portions are formed at three places, and there is a problem that a plurality of fastening means such as screws must be used.

In addition, since the heater core cover 60 must be fastened while being fixed so as not to be detached from the heater core pipe 43 at the time of fastening, the assembling work is inconvenient.

SUMMARY OF THE INVENTION The present invention has been made in order to overcome the problems of the prior art described above, and an object of the present invention is to provide a heater core cover with a tension rib so as to facilitate coupling and covering of the heater core pipe.

Another object of the present invention is to form a through hole in the heater core cover so that the tension rib can be formed as a metal on the inner cover surface of the heater core cover.

It is a further object of the present invention to form through holes on the cover surface corresponding to each tension rib in order to easily remove the metal mold for manufacturing the tension rib.

In order to accomplish the above object, the present invention provides a heater core comprising: a heater core accommodated in an air conditioning case and installed to discharge heat; a heater core pipe installed to allow the cooling water to flow in and out of the heater core; And a heater core cover coupled to cover the heater core pipe extending to the heater core pipe, wherein the heater core cover is provided with a plurality of protrusions And a through hole formed in the line-shaped cover surface corresponding to the tension rib, respectively.

In addition, the heater core cover may include a partition wall formed at a predetermined interval to assist the coupling of the heater core pipe in the center of the insertion port.

In addition, the tension rib is formed by a mold inserted through a through hole in the cover surface of the heater core cover.

The tension rib includes an engaging guide surface formed to be inclined so as to facilitate insertion of the heater core pipe and an engaging and holding surface formed inside the engaging guide surface so as to maintain the engagement of the heater core pipe.

The tension rib is formed to have a width equal to or smaller than the width of the through hole formed in the cover surface.

According to the present invention, it is possible to easily form the cover for the heater core pipe and the tension rib of the heater core cover that facilitates the engagement with the mold.

In addition, there is an effect that the tension rib can be easily formed into a mold by using a through hole for removing the mold formed on the heater core cover.

In addition, by forming the through holes formed in the heater core cover at a plurality of positions, there is an effect that the bonding force of the tension rib to the heater core pipe can be improved.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings (the same components as those in the prior art are denoted by the same reference numerals).

Before describing the features of the vehicle air conditioner according to the present invention, a general structure of the air conditioner for a vehicle will be described.

1 to 3, the air conditioning system for a vehicle includes a heater core 40 accommodated in an air conditioning case 50 and installed to radiate heat, And a heater core cover 60 coupled to cover the heater core pipe 43 extending outward from the air conditioning case 50. The heater core pipe 43 includes a heater core pipe 43,

Next, the features of the heater core cover in the automotive air conditioner according to the present invention will be described in detail with reference to FIG. 4 to FIG.

4 and 5, the heater core cover 60 according to the present invention is provided with a plurality of heater core pipes 43 on the cover surface 65 so that the heater core pipe 43 inserted through the insertion port 64 can be easily engaged. A tension rib 70 protrudes.

The gap between the cover surfaces 65 is formed within a range in which the tension ribs 70 can firmly couple the heater core pipes 43, as shown in Figs. 5 and 6.

An insertion port 64 is formed between the cover surfaces 65 so that the heater core pipe 43 can be inserted.

As shown in Fig. 5, a partition wall 67 for dividing the center of the heater core pipe 43 to assist the engagement of the heater core pipe 43 is formed in the insertion port 64 described above. The above-described separating wall 67 compensates for the bending tolerance of the heater core pipe 43 composed of two pipes, thereby facilitating the connection to each of the insertion ports 64. [

6, the separation wall 67 assists the engagement of the heater core pipe 43 and maintains the durability of the heater core cover 60. As shown in Fig. The partition wall 67 is provided with a gap 66 in the middle thereof so as to maintain the durability of the heater core cover 60.

As shown in FIG. 5, the tension ribs 70 of the heater core cover 60 are formed at regular intervals on the inner side of the cover surface 65 by a mold.

The tension ribs 70 are formed dispersedly inside the cover surface 65 of the heater core cover 60 so that the connection of the heater core pipe 43 can be securely performed.

The tension rib 70 is formed with a coupling guide surface 71 inclined inward to guide the insertion of the heater core pipe 43 toward the insertion port 64 side. In addition, a coupling holding surface 72 in the form of a curved surface is formed on the inner side of the coupling guide surface 71 so that the coupling of the coupled heater core pipe 43 can be maintained.

The tension rib 70 is preferably formed to have a width equal to or smaller than the width d of the through hole 80 formed in the cover surface 65.

The tension ribs 70 formed on the heater core cover 60 are formed with through holes 80 so as to be formed inside the cover surface 65, as shown in FIGS.

The above-mentioned through holes 80 are formed in the curved portion of the heater core cover 60 where the cover surface 65 starts.

The reason that the through holes 80 are formed in the curved surface portion of the cover surface 65 is that the tension ribs 70 can be formed inside the cover surface 65 by inserting the mold to form the tension ribs 70 This is because a mold can be easily removed.

The through holes 80 correspond one-to-one to the tension ribs 70 in a straight line. The through hole 80 is formed to have a width equal to or smaller than the width d of the tension rib 70.

In addition, the through holes 80 may be formed in a row or more along the longitudinal direction of the heater core cover 60, and may be formed in any one of a square, rectangular, triangular, and semicircular shape.

The heater core cover 60 is provided with two fastening portions 63 each having a fastening hole 62 so as to be fastened to the air conditioning case 50 by fastening means such as screws.

The heater core cover 60 can be easily coupled to the heater core pipe 43 and the air conditioning case 50 by the fixing means using the tension ribs 70 and the fastening portions 63. [

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

First, a heater core pipe 40, which is bent and extended to the outside of the air conditioning case 50, is installed in a heater core 40 provided inside the air conditioning case 50.

The heater core pipe 43 is provided with a heater core cover 60 which is fastened to the air conditioning case 50 by two fastening portions 63 so as to cover the heater core pipe 43. The heater core cover 60 prevents deformation and deviation of the heater core pipe 43 and blocks external contact.

Hereinafter, the installation process of the heater core cover 60 will be described.

First, the heater core pipes 43 are aligned with the insertion ports 64 separated by the separation wall 67 formed in the middle of the insertion port 64, and then the heater core cover 60 is pressed.

When the heater core cover 60 is pressed, the engaging guide surfaces 71 of the tension ribs 70 forcefully slip over the heater core pipes 43. When the engaging guide surfaces 71 of the tension ribs 70 pass over the heater core pipes 43, the engaging guide surfaces 71 of the tension ribs 70 are firmly engaged with the heater core pipes 43 by the engagement and retention surface 72 of the tension ribs 70, The heater core cover (60) is coupled to the heater core pipe (40).

When the heater core cover 60 is joined to the heater core pipe 43 by the tension ribs 70 and then the fastening portion 62 is fastened to the air conditioning case 50 by a fixing means such as a screw, 60 is completed.

When the heater core cover 60 according to the present invention covers the heater core pipe 43, not only the fixation position deformation, disengagement, and external contact are prevented, but also the flow of the pipe is reduced, .

The present invention can easily form the tension core rib of the heater core cover into a mold inserted through a through hole for removing the mold and easily attach the heater core cover to the heater core pipe by using a tension rib, It can be widely used in air conditioning equipment field.

 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram showing a configuration of a vehicle air conditioner according to the related art; FIG.

2 is a schematic perspective view showing a state in which a heater core cover is detached from a general air conditioner.

Fig. 3 is an enlarged view of the heater core cover shown in Fig. 2; Fig.

4 is an exploded perspective view showing a state in which the heater core cover according to the present invention is separated.

Fig. 5 is a view showing a state of engagement of the heater core cover shown in Fig. 4; Fig.

6 is a side sectional view showing the heater core cover of Fig. 5;

7 is a view showing that the heater core cover shown in Fig. 4 is coupled to the heater core pipe. Fig.

Description of the Related Art

40: Heater Core 43: Heater Core Pipe:

50: air conditioner case 60: heater core cover

64: insertion port 65: cover surface

66: gap 67: separation wall

70: Tension Rib 71: Coupling guide surface

72: joint holding surface 80: through hole

Claims (5)

delete delete A heater core pipe 43 installed to allow the cooling water to flow in and out of the heater core 40 and a heater core pipe 43 installed in the air conditioning case 50 to discharge heat, And a heater core cover (60) coupled to cover a heater core pipe (43) disposed to extend outwardly of the heat sink core (50) The heater core cover (60) A plurality of tension ribs 70 protruding inside the cover surface 65 at regular intervals so as to be easily engaged with the heater core pipe 43 and a plurality of linearly arranged cover surfaces 65 corresponding to the tension ribs 70 And a separating wall (67) formed at regular intervals to assist the engagement of the heater core pipe (43) in the center of the insertion port (64); Wherein the tension rib (70) is formed by a mold inserted through the through hole (80) in the cover surface (65). The method of claim 3, The tension rib 70 includes an engaging guide surface 71 formed to be inclined so as to facilitate insertion of the heater core pipe 43 and an engaging guide surface 71 formed to be engaged with the heater core pipe 43 inside the engaging guide surface 71 (72) which is provided on the vehicle body side. A heater core pipe 43 installed to allow the cooling water to flow in and out of the heater core 40 and a heater core pipe 43 installed in the air conditioning case 50 to discharge heat, And a heater core cover (60) coupled to cover a heater core pipe (43) disposed to extend outwardly of the heat sink core (50) The heater core cover (60) A plurality of tension ribs 70 protruding inside the cover surface 65 at regular intervals so as to be easily engaged with the heater core pipe 43 and a plurality of linearly arranged cover surfaces 65 corresponding to the tension ribs 70 And a separating wall (67) formed at regular intervals to assist the engagement of the heater core pipe (43) in the center of the insertion port (64); Wherein the tension rib (70) is formed to have a width equal to or smaller than a width (d) of the through hole (80) formed in the cover surface (65).

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