KR101276222B1 - filter cover assembling structure of air conditioner for vehicles - Google Patents

Abstract

The present invention relates to a filter cover assembly structure of a vehicle air conditioner, and more particularly, to form a central portion of the filter cover in a folded structure, and then press the folded portion when assembling the filter inserting portion, the folded portion is unfolded while both ends of the folded portion By sliding the sliding parts formed on both sides of the filter insert, the filter cover can be easily attached and detached and accordingly relates to the filter cover assembly structure of the vehicle air conditioner for improved workability and A / S.

Thus, the present invention is inserted into the case 101 through the filter inserting portion 102 formed on one side of the case 101 to filter the impurities contained in the air flowing through the interior of the air conditioner case 101 / Filter cover assembly structure of the vehicle air conditioner, including an air filter 130 to be installed, and a filter cover 140 to be detachably assembled to the filter insert 102, the filter insert 102 is sealed. The filter cover 140 may be folded and unfolded by a plurality of bent portions 141a formed at regular intervals from each other at a central portion thereof, and formed at both ends of the folded portion 141 as well as the cut portions. When the patch 141 is unfolded, it is characterized by consisting of a sliding portion 142 slidingly assembled on both sides of the filter insert 102.

 Air conditioner, filter cover, air filter, folding part, sliding part, filter inserting part

Description

Filter cover assembling structure of air conditioner for vehicles}

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a configuration diagram showing a general automotive air conditioner,

2 is a cross-sectional view showing a general air blowing device for a vehicle,

3 is a perspective view showing a state in which the filter cover is separated from the filter cover assembly structure of the vehicle air conditioner according to the first embodiment of the present invention;

Figure 4 is a perspective view showing a filter cover coupled state in the filter cover assembly structure of the vehicle air conditioner according to the first embodiment of the present invention,

5 is a cross-sectional view of FIG.

6 is a perspective view illustrating a state in which the filter cover is separated from the filter cover assembly structure of the vehicle air conditioner according to the second embodiment of the present invention;

7 is a perspective view showing a state in which the filter cover is coupled in the filter cover assembly structure of the vehicle air conditioner according to the second embodiment of the present invention;

Fig. 8 is a sectional view of Fig. 7. Fig.

Description of the Related Art [0002]

100: blower 101: case

102: filter insert 103: coupling rib

103a: insertion groove 104: locking jaw

105: rail

110: Intake duct 111: Inflow inlet

112: outside air inlet 115: indoor and outdoor air conversion door

115a: rotating shaft 115b: plate

120: scroll case

122: outlet 123: blowing fan

124: motor 125: inlet ring

126: Bell Mouth

130: Air filter 131: Filter part

132: frame portion 133: coupling holes

140: filter cover 141: folding part

141a: bending portion 142: sliding portion

143: guide 143a: locking portion

144: protrusion 145: handle

146: hook

The present invention relates to a filter cover assembly structure of a vehicle air conditioner, and more specifically, to form a folded portion of the filter cover in the central portion of the filter insert, when pressing the folded part when assembling the folded portion unfolds the folded portion By sliding the sliding parts formed on both sides of the filter inserts on both ends, the filter cover can be easily attached and detached, and accordingly relates to a filter cover assembly structure of a vehicle air conditioner having improved workability and A / S.

In general, a vehicle air conditioner is a device that cools or heats a vehicle interior by introducing indoor / outdoor air of a vehicle and heating or cooling the air to blow into the interior of the vehicle.

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

1 is a configuration diagram showing an example of a general vehicle air conditioner, as shown, the internal air inlet 21 and the external air inlet 22 is formed on one side, the internal and external air inlet 21, 22 is optional An internal / outer air switching door 23 is installed to open and close the air conditioner, and a blower device 10 including an air blower fan 35 for forcibly blowing internal and external air to the inlet side 43 of the air conditioning case 40; An inlet side 43 through which air blown from the blower device 10 is introduced and an outlet side 44 through which the air is discharged are provided, and the evaporator 41 and the heater core 42 are sequentially spaced in the inside. Consists of the air conditioning case 40 is installed.

Here, the internal and external air conversion door 23 is used in various forms such as plate type, dome type, cylindrical shape, hemispherical shape, which receive less air pressure.

2 is a cross-sectional view showing a general blower, as shown, the blower 10 is formed inside and outside air inlet 21 and the outside air inlet 22 so that the internal and external air can be introduced, respectively, An intake duct 20 having an internal and external air conversion door 23 installed therein to selectively open and close the inlets 21 and 22 and a lower case of the intake duct 20, and the internal and outdoor air conditioners 40. Blowing apparatus 10 through a scroll case 30 is installed to blow air to the inside of the filter case and the filter inserting portion 26 formed on one side between the intake duct 20 and the scroll case 30 ), An air filter 25 inserted into the inside of the air filter and filtering the impurities in the air, and a motor 36 installed under the scroll case 30 to drive the blower fan 35. .

In addition, while the filter cover 31 is detachably assembled to the filter inserting part 26, the filter inserting part 26 is sealed to prevent leakage of air and to facilitate the exchange of the air filter 25. have.

On the other hand, the internal and external air conversion door 23 is driven by a separate cable (not shown) and actuator (not shown).

Therefore, in the air inflow mode, the internal and external air conversion doors 23 open the air inlet 21 and the air inlet 22 is sealed. At this time, the air inlet 21 is operated by the operation of the blower fan 35. The bet introduced through the bell mouse 33 is moved to the scroll case 30 and then forcedly blown into the air conditioning case 40.

When the outside air inlet mode is set, the inside / outside switching door 23 closes the inside air inlet 21 and the outside air inlet 22 is opened. At this time, the outside air inlet 22 Passes through the bell mouth 33 and moves to the scroll case 30 and is forcedly blown into the air conditioning case 40. [

On the other hand, when the air filter 25 is contaminated, it must be replaced to maintain the air conditioning performance and room comfort. At this time, the method of replacing the air filter 25, first remove the filter cover 31 from the filter insert 26, replace the air filter 25, and then filter the filter cover 31 again It is reassembled to the insert 26.

Here, the structure for assembling the filter cover 31 to the filter insert 26, the hook 32 is formed on the upper and lower ends of the filter cover 31, respectively, the filter insert 26 Resilient assembly to the outer edge of the.

However, when assembling the filter cover 31 to the filter inserting portion 26, there is a problem that the hook 32 is damaged when the hook 32 is repeatedly pressed and used, and the hook 32 There was also a problem that the assembly and A / S properties are not good when not pressed.

An object of the present invention for solving the above problems is to form a central portion of the filter cover with a folding structure and then press the folded portion when assembling the filter inserting the sliding portion formed on both ends of the folded portion while the folded portion is inserted into the filter insert By sliding the assembly on both sides of the part, the filter cover can be easily attached and detached, thereby providing a filter cover assembly structure of the vehicle air conditioner improved workability and A / S properties.

The present invention for achieving the above object is an air filter that is inserted / installed into the case through the filter inserting portion formed on one side of the case to filter impurities contained in the air flowing inside the air conditioner case, In the filter cover assembly structure of the vehicle air conditioner comprising a filter cover that is detachably assembled to the filter inserting portion to seal the filter inserting portion, the filter cover is in contact with a plurality of bent portions formed at regular intervals apart from each other in the center portion. It is characterized by consisting of a sliding portion that is formed in the folded portion, the both ends of the folding portion and the sliding portion sliding assembly on both sides of the filter insert portion when the folded portion is opened.

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

Repeated description of the same construction and operation as in the prior art will be omitted.

3 is a perspective view showing a state in which the filter cover is separated from the filter cover assembly structure of the vehicle air conditioner according to the first embodiment of the present invention, Figure 4 is a filter cover of the vehicle air conditioner according to the first embodiment of the present invention Figure 5 is a perspective view showing a state in which the filter cover is coupled in the assembly structure, Figure 5 is a cross-sectional view of FIG.

First, an air filter 130 is provided in a vehicle air conditioner through a filter inserting part 102 formed through one side of the case 101 so as to filter impurities contained in air flowing through the case 101. It is inserted / installed up to the inside of the case 101.

After the air filter 130 is inserted through the filter inserting portion 102, the filter insert 140 is assembled to the filter inserting portion 102 so as to prevent air from leaking, 102).

Since the filter insertion portion 102 formed in the case 101 of the air conditioner can be formed at various positions according to the type of air conditioner (semi-center type, center mounting type, three-piece type, etc.) In the present invention, a semi-center type air conditioner will be described as an example.

In the above-mentioned semi-center type air conditioner, since the filter insertion portion 102 is formed on the case 101 side of the air blowing device 100, the blowing device 100 will be briefly described.

The blower 100 has an intake duct 110 having an internal air inlet 111 and an external air inlet 112 formed at an upper side thereof, and is rotatably installed in the intake duct 110 to allow the internal and external air inlet ( 111 and 112, the internal and external air conversion door 115 for selectively opening and closing, the air intake case 40 is coupled to the lower portion of the intake duct 110 and the internal and outdoor air introduced into the intake duct 110. It is configured to include a scroll case 120 is provided with a blowing fan 123 for forcibly blowing to the inlet side (43).

The inside / outside switching door 115 is driven by a separate cable (not shown) or an actuator (not shown) provided outside the blowing device 100.

In addition, the blower 100 is formed with an outlet 122 extending to one side of the scroll case 120 to be coupled to the inlet side 43 of the air conditioning case 40.

Between the intake duct 110 and the scroll case 120, a bell mouth (not shown) for guiding the inside and outside air introduced through the inside and outside air inflow ports 111 and 112 to the upper side of the blowing fan 123 In the present invention, the inlet ring 125 is integrally formed on the upper side of the scroll case 120.

A motor 124 is installed at a lower portion of the scroll case 120 to drive the blowing fan 123.

On the other hand, the internal and external air conversion door 115 is a flat consisting of a rotating shaft (115a) rotatably coupled to both side walls of the intake duct 110, and a plate (115b) formed on one side of the rotating shaft (115a) Type internal and external air conversion door 115 is, of course, in the drawings for the internal and external air conversion door 115 is shown in a flat type, but in addition to this, dome, cylindrical, hemispherical and all other forms are possible.

In addition, an air filter 130 is installed in the blower 100 to filter impurities contained in the air introduced into the air through the internal and external air inlets 111 and 112. The air filter 130 is provided. ) Is inserted into the blower 100 through the filter insert 102 formed through the one side between the intake duct 110 and the scroll case 120.

The air filter 130 is formed to be folded in a zigzag form, the filter unit 131 for filtering the air, and a frame unit surrounding the circumference of the filter unit 131 to maintain the basic shape of the filter unit 131. It consists of 132.

In addition, while the filter cover 140 is assembled detachably to the filter inserting portion 102, the filter inserting portion 102 is sealed to prevent leakage of air and to facilitate the exchange of the air filter 25. have.

Thus, in the inflow inflow mode, the inside / outside switching door 115 opens the inflow inlet 111 and the outside inflow inlet 112 becomes hermetically closed. At this time, by the operation of the blowing fan 123, Passes through the bell mouth 126, moves to the scroll case 120, and is forcedly blown into the air conditioning case 40.

In addition, in the outside air inflow mode, on the contrary, the inside / outside switching door 115 closes the inside air inlet opening 111 and the outside air opening 112 is opened. At this time, by operating the air blowing fan 123, 112 moves through the bell mouth 126 to the scroll case 120, and then is forcedly blown into the air conditioning case 40.

In addition, the filter cover 140, which is a feature of the present invention, is folded and unfolded by a plurality of bent portions 141a (four are formed in the figure) formed at regular intervals from each other at a central portion thereof, and the It is formed on both ends of the folded portion 141 as well as the sliding portion 141 is made of a sliding portion 142 sliding assembly on both sides of the filter inserting portion (102).

Here, the bent portion 141a for folding the folded portion 141 is formed in the vertical direction to the filter cover 140 and is formed thinner than the thickness of the filter cover 140 so that it can be folded and unfolded freely. have.

On the other hand, the filter cover 140 is completely sealed when the folded portion 141 is fully opened.

In addition, the upper and lower surfaces of both sliding parts 142 formed at both ends of the folded part 141 may have the guide 143 protruding to the rear side so as to slide along the upper and lower outer surfaces of the filter insert 102. do.

That is, the guide 143 guides the assembly of the filter cover 140 to the filter insertion unit 102 so that the assembly position in the up and down directions can be accurately set and easily assembled.

In addition, two locking projections 104 spaced apart from each other are formed to protrude from the upper outer surface of the filter inserting portion 102 so as to catch the outer ends of the guides 143 formed on the sliding parts 142. That is, the locking jaw 104, when assembling the filter cover 140 to the filter inserting portion 102, and sets the assembly position in the left, right direction correctly.

At least one protrusion 144 is formed at an end of both sliding parts 142, and the insertion groove 103a may be inserted into and coupled to both sides of the filter insert 102. Coupling ribs 103 are formed.

Therefore, when assembling the filter cover 140 to the filter inserting portion 102, if the filter cover 140 is fully extended by pressing the folded portion 141, formed at the ends of the sliding portion 142 The protrusion 144 is inserted into and coupled to the insertion groove 103a of the coupling rib 103 to prevent the filter cover 140 from being separated.

On the other hand, after assembling the filter cover 140 to the filter inserting portion 102, the projection 144 of the filter cover 140 by the vehicle vibration or the like from the insertion groove (103a) of the coupling rib 103 A coupling structure of the protrusion 144 and the insertion groove 103a may be formed as a hook coupling structure so as to prevent it from being separated.

In addition, a hook 146 protrudes from the inner surface of the filter cover 140, and the hook 146 is detachably inserted into and coupled to one side of the air filter 130 facing the hook 146. The coupling hole 133 is formed to be. More specifically, the hook 146 protrudes from the center of the inner side of the folded portion 141, and the coupling hole 133 is formed in the frame portion 132 of the air filter 130.

Therefore, when assembling the filter cover 140 to the filter insert 102, when the folded portion 141 is pressed, the filter cover 140 is extended and both sliding parts 142 are coupled ribs The hook 146 is inserted into and coupled to the insertion groove 103a of the 103, and the hook 146 is inserted into and coupled to the coupling hole 133 formed in the frame portion 132 of the air filter 130, thereby providing the filter cover 140. After the assembly is completed, the departure is further prevented.

On the other hand, the handle 145 is formed on the central outer surface of the folded portion 141 to easily detach the filter cover 140.

Hereinafter, the operation of the filter cover assembly structure of the vehicle air conditioner according to the present invention.

First, both the sliding parts 142 of the filter cover 140 are brought into close contact with the front surface of the filter inserting part 102 in a state where the folding part 141 is folded in a certain range in the center direction. At this time, since the guide 143 formed on the upper and lower sides of the sliding part 142 grasps the upper and lower outer surfaces of the filter insertion part 102, the filter cover 140 is always easily positioned at the correct assembly position. You can.

Then, when pressing the central portion of the folded portion 141, the two sliding portions 142 are slid in both directions while the protrusion 144 formed at the end of both sliding portions 142 is the filter inserting portion ( The hook 146 formed on the inner surface of the folding portion 141 is inserted into and coupled to the insertion groove 103a of the coupling rib 103 formed on both sides of the 102 and the frame portion 132 of the air filter 130. Inserted and coupled to the coupling hole 133 formed in the filter cover 140 is completed.

When the assembly of the filter cover 140 is completed in this way, the folded portion 141 is completely opened to completely seal the filter insert 102.

And, when removing the filter cover 140, by pulling the handle 145 can be easily removed without applying force. That is, when the handle 145 is pulled out, the hook 146 is pulled out of the coupling hole 133 and the pull continually pulling the both sliding parts inserted into the insertion groove 103a of the coupling rib 103 ( The protrusion 144 of the 142 is also removed so that the filter cover 140 can be easily removed.

Here, after pulling out the hook 146 from the coupling hole 133 by pulling the handle 145, when the folded portion 141 is folded in a certain range in the left or right direction, the sliding portions 142 Can be easily removed from the insertion groove (103a) of the coupling rib (103).

6 is a perspective view showing a state in which the filter cover 140 is separated from the filter cover assembly structure of the vehicle air conditioner according to the second embodiment of the present invention, Figure 7 is a vehicle air conditioner according to a second embodiment of the present invention Figure 8 is a perspective view showing a state in which the filter cover 140 is coupled in the filter cover assembly structure, Figure 8 is a cross-sectional view of FIG.

As shown, in the second embodiment, the rails 105 are formed to protrude from the upper and lower outer surfaces of the filter insert 102 so that the guide 143 can ride and slide, and the guide 143 The end portion of the rail 105 is formed with a catching portion 143a so as not to be caught off.

That is, the guide 143 and the locking portion 143a formed on the upper and lower surfaces of the sliding parts 142 are formed in a "c" shape.

Therefore, when the guides 143 of the two sliding parts 142 slide along the rails 105, the locking part 143a slides in a state of being caught on the rear surface of the rails 105 so as to slide the filter cover. 140 will not escape.

Here, the rails 105 formed on the upper and lower outer surfaces of the filter insertion unit 102 are formed only in a range in which the sliding unit 142 slides, and are omitted in the central portion of the filter insertion unit 102.

In addition, in the structure in which the “C” shaped guide 143 and the locking portion 143a ride on the rail 105 as in the second embodiment, the filter cover 140 is not detached, and thus the filter insertion is performed. Coupling ribs 103 formed on both sides of the part 102 may be omitted.

Therefore, when assembling the filter cover 140 to the filter inserting portion 102, the rail 105 is omitted in a state where the folded portion 141 is folded in a predetermined range in the center direction. The guide "143" and the locking portion (143a) of the U-shaped slide assembly to the rail (105).

Thereafter, when the center portion of the folded portion 141 is pressed, the two sliding portions 142 slide in both directions and the hook 146 formed on the inner side of the folded portion 141 is the air filter ( The assembly of the filter cover 140 is completed while being inserted into the coupling hole 133 formed in the frame part 132 of the 130.

In this case, when the protrusions 144 are formed at the ends of the sliding parts 142 and the coupling ribs 103 are formed at both sides of the filter inserting part 102, the protrusions 144 are the coupling ribs. It is inserted into the insertion groove (103a) of the 103.

On the other hand, when removing the filter cover 140, it is good to reverse the assembly order.

As described above, in the present invention, only the case where the filter cover assembly structure is applied to a semi-center type air conditioner has been described. However, the present invention is not limited thereto. It is possible.

According to the present invention, after forming the central portion of the filter cover with a folding structure, when the assembly is pressed in the filter inserting the folded portion to be folded when the sliding portion formed on both ends of the folded portion sliding assembly assembled on both sides of the filter insert By doing so, the filter cover can be easily attached and detached, thereby improving workability and A / S.

Claims (7)

Air inserted / installed into the case 101 through the filter inserting portion 102 formed on one side of the case 101 to filter impurities contained in the air flowing through the air conditioner case 101. In the filter cover assembly structure of a vehicle air conditioner comprising a filter 130 and a filter cover 140 detachably assembled to the filter inserting portion 102 to seal the filter inserting portion 102, The filter cover 140 is folded and unfolded by a plurality of bent portions 141a formed at regular intervals from each other at a central portion, and formed at both ends of the folded portion 141 and the folded portion ( 141 is a filter cover assembly structure of a vehicle air conditioner, characterized in that made of a sliding unit 142 sliding assembly on both sides of the filter insert 102. The method of claim 1, The filter cover of the vehicle air conditioner, wherein the guide 143 is protruded to the rear side so as to slide along the upper and lower outer surfaces of the filter insert 102 on the upper and lower surfaces of the sliding parts 142. Assembly structure. The method of claim 2, Rails 105 protrude from upper and lower outer surfaces of the filter insert 102 so that the guide 143 can ride and slide, and end portions of the guide 143 are caught by the rails 105. Filter cover assembly structure of the vehicle air conditioner, characterized in that the locking portion (143a) is formed so as not to. The method of claim 1, Protruding portions 144 are formed at ends of the sliding portions 142, and coupling ribs 103 having insertion grooves 103a are formed at both sides of the filter inserting portion 102 so that the protruding portions 144 can be inserted and coupled. Filter cover assembly structure of a vehicle air conditioner, characterized in that is formed. The method of claim 2, The filter cover of the vehicle air conditioner, characterized in that the engaging jaw 104 is formed to protrude from the upper outer surface of the filter insert 102, the outer end of the guide 143 formed on the sliding portion 142 is caught. Assembly structure. The method of claim 1, A hook 146 protrudes from an inner surface of the filter cover 140, and the hook 146 is detachably inserted and coupled to one side of the air filter 130 facing the hook 146. Filter cover assembly structure of a vehicle air conditioner, characterized in that the ball 133 is formed. The method of claim 1, Filter cover assembly structure of the vehicle air conditioner, characterized in that the handle 145 is formed on the outer surface of the folded portion (141).

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