JP2005214541A - Door structure of air conditioner for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door structure of an air conditioner for a vehicle capable of reducing the noise without changing control force during air blowing. <P>SOLUTION: This door structure of the air conditioner for the vehicle for opening and closing an air blowing passage 110 by a door 120 mounted in the air blowing passage 110, is provided with supporting parts 113 formed on side walls 111 opposite to each other, of the air blowing passage 110 having a rectangular cross-section and an accommodating part having a circular arc-shaped recessed part, and formed on a wall face positioned between the side walls 111, and the door 120 wherein a closing part 123 for closing the air blowing passage 110 is rotatably borne on a supporting part 113 by a bearing part 121 through a connecting part 122, is constituted to close the air blowing passage 110 by the closing part 123 at a first holding position and to accommodate the closing part 123 in an accommodating part 114B at a second holding position. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a door structure of a vehicle air conditioner that opens and closes an air passage formed in the vehicle air conditioner.

As a conventional vehicle air conditioner, one disclosed in Patent Document 1 is known. In such a vehicle air conditioner, the door structure that opens and closes the air passage has a cantilever door provided with a rotating shaft on one side of the door, and a doubly supported door provided with a rotating shaft at the center of the door. Is generally used.
Japanese Utility Model Publication No. 56-62210

  However, the cantilever door has a problem that a large operating force is required due to the resistance of the conditioned air when the door is operated during blowing. In addition, with a double-sided door, it is possible to prevent an increase in operating force during blowing, but the door is always located in the blowing path, causing wind noise and reducing noise during blowing. It was difficult.

  Then, an object of this invention is to provide the door structure of the vehicle air conditioner which can reduce a noise, without changing the operation force during ventilation.

  An air conditioning unit for a vehicle according to a first aspect of the present invention is a door structure of a vehicle air conditioner that opens and closes an air passage by a door installed in the air passage, and has opposite rectangular side walls of the air passage. Each of which is provided with a support portion and an accommodating portion having an arcuate concave portion on the wall surface located between the side walls, and the closing portion for closing the air passage is connected to the support portion by the support portion via the connecting portion. The door, which is movably supported, is characterized in that the closing portion closes the air passage in the first holding position, and the closing portion is accommodated in the accommodation portion in the second holding position.

  According to a second aspect of the present invention, there is provided a vehicle air-conditioning unit according to the first aspect, wherein the plurality of air passages having the doors disposed therein are disposed in parallel, It is comprised so that it may interlock | cooperate, At least 1 door of the doors arrange | positioned in another ventilation path in the state which the closing part of the 1st door closed the 1st ventilation path in the said 1st holding position is the said ventilation path It is accommodated in the accommodating part of this, and this ventilation path is open | released, It is characterized by the above-mentioned.

  According to invention of Claim 1, even when operating a door during ventilation, generation | occurrence | production of a wind noise can be prevented and noise can be reduced, preventing increase in operation force.

In addition, since the closing portion is accommodated in the accommodating portion with the air passage opened, it is possible to prevent the generation of wind noise and further reduce noise.

  According to the second aspect of the invention, in addition to the effect of the first aspect, the air passage to be opened can be selectively switched by operating the door.

  Next, a door structure of a vehicle air conditioner according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view illustrating the interior of the first embodiment of the door structure according to the present invention. FIG. 2 is a side sectional view showing a state in which the door of FIG. It is a sectional side view which shows the state which the door of FIG. 2 opened the ventilation path.

  The door structure 101 of the air conditioner for a vehicle according to the present invention has a door 120 installed in the air passage 110 so that the temperature-controlled air conditioned air is blown into the passenger compartment through the air outlet desired by the occupant. The air outlet is selectively switched by opening and closing, and is linked to an external operation unit (not shown) by a link mechanism (not shown). By operating the operation unit, the door 120 can be opened and closed. Done.

  As shown in FIGS. 1 to 3, the door structure 101 of the present embodiment is a structure in the case of one air passage 110, has a rectangular cross-sectional shape, and the door 120 is supported on each of the opposing side walls 111. The support portion 113 is provided, and a ceiling side accommodation portion 114A and a bottom surface side accommodation portion 114B are provided as accommodation portions having arcuate concave portions on the ceiling surface and the bottom surface as wall surfaces located between the side walls 111. The air passage 110 includes a flat plate-like closing portion 123 that closes the air passage 110, and a door 120 that is rotatably supported by the support portion 113 by the support portion 121 via a disk-like connecting portion 122. Has been.

  In the door structure 101, the closing portion 123 closes the upstream side of the ceiling-side accommodation portion 114A and the bottom-side accommodation portion 114B of the air passage 110 in a state where the door 120 is held in the first holding position, and the second holding position. The closing part 123 is configured to be accommodated in the ceiling-side accommodation part 114A or the bottom-side accommodation part 114B in a state where the door 120 is held on the bottom side.

  Therefore, with the above configuration, even when the door is operated during air blowing, the closing portion 123 moves across the air passage 110 to close the air passage 110, so that an increase in operating force can be prevented. Moreover, since the closing part 123 is accommodated in the ceiling side accommodating part 114A or the bottom face side accommodating part 114B in a state where the air passage 110 is opened, the generation of wind noise can be prevented and noise can be reduced.

  Next, 2nd Embodiment of the door structure of the vehicle air conditioner concerning this invention is described in detail based on drawing. 4 is a side sectional view showing a state where the door closes the air passage, and FIG. 5 is a side sectional view showing a state where the door of FIG. 4 opens the air passage.

  The door structure 201 of this embodiment is a structure in the case of one air passage 210 as in the first embodiment. The air passage 210 is the same as the air passage 210 of the first embodiment, and the air passage 210 is accommodated. Two flat plate-like closing portions 224 and 225 that respectively close the upstream portion 215 and the downstream portion 216 of the storage portion are rotatably supported by the support portion 213 by the support portion 221 via the disk-like connecting portion 222. The door 220 is comprised.

  Then, as shown in FIG. 4, with the door 220 held at the first holding position, the receiving portion downstream side 216 is closed while closing the receiving portion upstream side 215 of the air passage 210 with the first closing portion 224. It closes with the 2nd closing part 225.

  Further, as shown in FIG. 5, the first closing part 224 and the second closing part 225 are respectively accommodated in the ceiling side accommodation part 214 </ b> A and the bottom face side accommodation part 214 </ b> B with the door 220 being held in the second holding position. It is configured to be.

  Therefore, with the above configuration, even when the door 220 is operated during air blowing, the first closing part 224 and the second closing part 225 move so as to cross the air blowing path 210 to close the air blowing path 210, so that the operating force increases. Can be prevented. Further, since the first closing part 224 and the second closing part 225 are accommodated in the ceiling-side accommodation part 214A and the bottom-side accommodation part 214B in a state where the air passage 210 is opened, generation of wind noise is prevented and noise is reduced. can do.

  Moreover, in this embodiment, since the pipe expansion part is not formed in the air flow path 210 in the state where the air flow path 210 is opened, it is possible to prevent unnecessary turbulence from being given to the air-conditioning air, thereby further reducing the generation of noise. Can do.

  Next, 3rd Embodiment of the door structure of the vehicle air conditioner concerning this invention is described in detail based on drawing. FIG. 6 is a perspective view illustrating the interior of the third embodiment of the door structure of the present invention, and FIG. 7 is a side sectional view illustrating a state in which the door of FIG. 6 is held at the first holding position. 8 is a side sectional view showing a state in which the door of FIG. 6 is held at the second holding position, and FIG. 9 shows a state in which the door of FIG. 6 is held between the first holding position and the second holding position. It is side sectional drawing.

  The door structure 301 of this embodiment has a rectangular cross-sectional shape like the air passage 110 of the first embodiment, and a support portion 313 on which the door is rotatably supported on each of the opposing side walls 311, and these side walls. A first air passage 310a and a second air passage 310b provided with a ceiling-side accommodation portion and a bottom-side accommodation portion having arc-shaped concave portions on a ceiling surface and a bottom surface as wall surfaces located between 311 are arranged in parallel. It has a set structure.

  Further, as shown in FIG. 7, the door 320 includes a first door 320a disposed in the first air passage 310a and a second door 320b disposed in the second air passage 310b. It is formed to open one of the air passages. Furthermore, each door 320a, 320b, 320c, like the first embodiment, the two flat plate-like closing portions for closing the air passages are turned to the support portions by the support portions via the disk-like connecting portions. It is supported freely.

  In the state where the first door 320a is held at the first holding position, in the first air passage 310a, the housing portion downstream side 316b is closed while the housing portion upstream side 315a is closed by the first closing portion 324a of the first door 320a. While the second closing part 325a of the first door 320a is closed, in the second air passage 310b, the first closing part 324b and the second closing part 325b of the second door 320b are connected to the ceiling side accommodating part 314Ab and the bottom face side accommodating part 314Bb. Are accommodated, and the second air passage 310b is opened.

  Further, as shown in FIG. 8, in the state where the first door 320a is held at the second holding position, in the first air passage 310a, the first door 320a is connected to the ceiling side housing portion 314Aa and the bottom surface side housing portion 314Ba. The first closing portion 324a and the second closing portion 325b are accommodated, respectively, and in the second air passage 310b, the accommodating portion upstream side 315b is closed by the first closing portion 324b of the second door 320b, and the accommodating portion downstream side. It is comprised so that 316b may be closed by the 2nd closing part 325b of the 2nd door 320b, and the 1st ventilation path 310a is open | released.

  Then, as shown in FIG. 9, the first door 320a and the second door 320b are respectively connected to the first air passage 310a in a state where the first door 320a is held between the first holding position and the second holding position. The 2nd ventilation path 310b can be opened and conditioned air can be ventilated to both the ventilation paths 310a and 310b.

  Therefore, with the above configuration, even when the door is operated during blowing, the first closing portion and the second closing portion move across the blowing path to close the blowing path, thereby preventing an increase in operating force. it can. In addition, since the first closing portion and the second closing portion are accommodated in the accommodating portion with the air passage opened, it is possible to prevent the generation of wind noise and reduce noise.

  Further, in this embodiment, since the expanded portion is not formed in the air passage with the air passage open, it is possible to further reduce the generation of noise because it is not necessary to give unnecessary disturbance to the conditioned air. .

  Furthermore, by operating the door, it is possible to selectively switch the air passage to be opened.

  Next, 4th Embodiment of the door structure of the vehicle air conditioner concerning this invention is described in detail based on drawing. FIG. 10 is a side sectional view showing a state in which the door of the fourth embodiment of the door structure of the present invention is held at the first holding position, and FIG. 11 is an air passage opened by operating the door of the present embodiment. FIG.

  The door structure 401 of this embodiment has a rectangular cross-sectional shape, and a support portion 413 on which the door is rotatably supported on each of opposite side walls, and an arc-shaped recess on the bottom surface located between these side walls. It has a structure in which a first air passage 410a, a second air passage 410b, and a third air passage 410c provided with a bottom side housing portion are arranged in parallel.

  Also, as shown in FIG. 10, the door 420 is connected to the first door 420a and the second air passage 410b disposed in the first air passage 410a and the second door 420b and the third air passage 410c. The third door 420c provided is interlocked and formed so as to selectively open one air passage. Furthermore, each door 420a, 420b, 420c is supported by a support part by a support part through a disk-like connecting part, with a flat plate-like closing part that closes each air passage, as in the first embodiment. Has been.

  In the state where the first door 420a is held at the first holding position, in the first air passage 410a, the closing portion 423a of the first door 420a is housed in the bottom surface side housing portion 414Ba, and the second air passage 410b. Then, the closing portion 423b of the second door 420b is closed on the upstream side 415b of the housing portion, and further, the closing portion 423c of the third door 420c is closed on the downstream side 416c of the housing portion in the third air passage 410c. The first air passage 410a is opened.

  In the state where the first door 420a is held at the second holding position, in the first air passage 410a, the closing portion 423a of the first door 420a is closed on the housing portion downstream side 416a, and in the second air passage 410b. The closing portion 423b of the second door 420b is accommodated in the bottom surface side accommodating portion 414Bb. In the third air passage 410c, the accommodating portion upstream side 415c is configured to close the closing portion 423c of the third door 420c. The air passage 410b is opened.

  Further, in the state where the first door 420a is held at the third holding position, in the first air passage 410a, the closing portion 423a of the first door 420a is closed on the accommodating portion upstream side 415a, and in the second air passage 410b. The closing portion 423b of the second door 420b is closed on the receiving portion downstream side 416b, and the third air passage 410c is configured such that the closing portion 423c of the third door 420c is received in the bottom side receiving portion 414Bc. Three air passages 410c are opened.

  Therefore, with the above configuration, even when the door is operated during air blowing, each closing portion moves across each air passage and closes the air passage, so that an increase in operating force can be prevented. Moreover, since each closing part is accommodated in each accommodating part in the state which opened the ventilation path, generation | occurrence | production of a wind noise can be prevented and noise can be reduced.

  Further, in this embodiment, since the expanded portion is not formed in the air passage with the air passage open, it is possible to further reduce the generation of noise because it is not necessary to give unnecessary disturbance to the conditioned air. .

  Furthermore, by operating the door, it is possible to selectively switch the air passage to be opened.

  Next, 5th Embodiment of the door structure of the vehicle air conditioner concerning this invention is described in detail based on drawing. FIG. 12 is a side sectional view showing a state in which the door of the fifth embodiment of the door structure of the present invention is held at the first holding position, and FIG. 13 is an air passage that is opened by operating the door of this embodiment. FIG.

  The door structure 501 of this embodiment has a rectangular cross-sectional shape like the air passage 110 of the first embodiment, and a support portion 513 on which the door is rotatably supported on each of the opposing side walls, A first air passage 510a, a second air passage 510b, and a third air passage provided with a ceiling-side accommodation portion and a bottom-side accommodation portion having arcuate concave portions on a ceiling surface and a bottom surface as wall surfaces positioned therebetween. 510c is arranged in parallel.

  As shown in FIG. 12, the door 520 is disposed in the first door 520a disposed in the first air passage 510a and the second door 520b and the third air passage 510c disposed in the second air passage 510b. The third door 520c is interlocked and formed so as to selectively open the two air passages. Also, each door 520a, 520b, 520c has two flat plate-like closing portions that close the air passages rotated to a support portion by a support portion via a disk-like connecting portion, as in the first embodiment. It is supported freely.

  In the state where the first door 520a is held at the first holding position, in the first air passage 510a, the first upstream portion 515a of the first door 520a is closed while the first closing portion 524a of the first door 520a is closed. 516a is closed by the second closing portion 525a of the first door 520a, and in the second air passage 510b, the bottom side housing 514Ab is accommodated by the first closing portion 524b and the second closing portion 525b of the second door 520b. The second air passage 510b is opened toward the portion 514Bb. Further, in the third air passage 510c, the ceiling side accommodation portion from the bottom side accommodation portion 514Bc by the first closing portion 524c and the second closing portion 525c of the third door 520c. The third air passage 510c is configured to open toward 514Ac.

  In the state where the first door 520a is held at the second holding position, in the first air passage 510a, the first closing portion 524a and the second closing portion 525a of the first door 520a are connected to the ceiling side from the bottom side accommodation portion 514Ba. The first air passage 510a is opened toward the housing portion 514Aa. In the second air passage 510b, the housing portion upstream side 515b is closed by the first closing portion 524b of the second door 520b, and the housing portion downstream side 516b. The second closing portion 525b of the second door 520b is closed, and further, in the third air passage 510c, the bottom side accommodation is performed from the ceiling side accommodation portion 514Ac by the first closing portion 524c and the second closing portion 525c of the third door 520c. The third air passage 510c is configured to open toward the portion 514Bc.

  Further, in the state where the first door 520a is held at the third holding position, in the first air passage 510a, the first closing portion 524c and the second closing portion 525c of the third door 520c are connected to the bottom side from the ceiling side accommodation portion 514Aa. The third air passage 510c is opened toward the housing portion 514Ba, and in the second air passage 510b, the first door 520a has a first closing portion 524a and a second closing portion 525a to accommodate the ceiling side housing from the bottom surface housing portion 514Bb. The first air passage 510a is opened toward the portion 514Ab. Further, in the third air passage 510c, the housing portion downstream side 516b is closed while the housing portion upstream side 515c is closed by the first closing portion 524b of the second door 520b. The second closing part 525b of the second door 520b is configured to close.

  In addition, the door structure 501 of the present embodiment rotates the door 520 from the first holding position by about 90 ° from the state where the first door 520a is held at the first holding position shown in FIG. It is held in the state as shown.

  In the state shown in FIG. 14, in the first air passage 510a, the first closing portion 524a and the second closing portion 525a are accommodated in the ceiling side accommodation portion 514Aa and the bottom surface side accommodation portion 514Ba, respectively, and the first air passage 510a. In the second air passage 510b, the first closing portion 524b of the second door 520b closes the second air passage 510b from the upstream side of the ceiling side housing portion 514Ab to the center of the bottom surface side housing portion 514Bb. The second closing portion 525b of the second door 520b closes the second air passage 510b from the vicinity of the center portion of the ceiling side housing portion 514Ab to the downstream side of the bottom surface side housing portion 514Bb, and the third air passage 510c further accommodates the bottom surface side housing. The first closing portion 524c of the third door 520c extends from the upstream side of the portion 514Bc to the vicinity of the center portion of the ceiling side accommodating portion 514Ac. While closed, the second closure portion of the third door 520c 525 c are closed third air passage 510c over the ceiling side accommodating portion 514Ac downstream from the vicinity of the bottom surface side housing portion 514Bc central portion.

  Then, by rotating the door 520 at an interval of about 60 ° from the state shown in FIG. 14, the door 520 is connected to the first door 520 a disposed in the first air passage 510 a as shown in FIG. 11. The 2nd door 520b arrange | positioned by the 2nd ventilation path 510b and the 3rd door 520c arrange | positioned by the 3rd ventilation path 510c interlock | cooperate, and can open | release one ventilation path selectively.

  Therefore, with the above configuration, even when the door is operated during air blowing, each closing portion moves across each air passage and closes the air passage, so that an increase in operating force can be prevented. Moreover, since each closing part is accommodated in each accommodating part in the state which opened the ventilation path, generation | occurrence | production of a wind noise can be prevented and noise can be reduced.

  Further, in this embodiment, since the expanded portion is not formed in the air passage with the air passage open, it is possible to further reduce the generation of noise because it is not necessary to give unnecessary disturbance to the conditioned air. .

  Furthermore, by operating the door, it is possible to selectively switch the air passage to be opened.

It is the perspective view which saw through the inside in order to show the outline of the 1st embodiment of the door structure of the present invention. It is a sectional side view which shows the state which the door of FIG. 1 closed the ventilation path. It is a sectional side view which shows the state which the door of FIG. 2 opened the ventilation path. It is side sectional drawing which shows the state which the door of 2nd Embodiment of the door structure of this invention closed the ventilation path. FIG. 5 is a side sectional view showing a state in which the door of FIG. 4 opens the air passage. It is the perspective view which saw through the inside, in order to show the outline | summary of 3rd Embodiment of the door structure of this invention. FIG. 7 is a side sectional view showing a state in which the door of FIG. 6 is held at a first holding position. FIG. 7 is a side sectional view showing a state in which the door of FIG. 6 is held at a second holding position. FIG. 7 is a side sectional view showing a state in which the door of FIG. 6 is held between a first holding position and a second holding position. It is side sectional drawing which shows the state by which the door of 4th Embodiment of the door structure of this invention was hold | maintained in the 1st holding position. It is an operation | movement figure which shows the ventilation path open | released by operating the door of this embodiment. It is side sectional drawing which shows the state by which the door of 5th Embodiment of the door structure of this invention was hold | maintained in the 1st holding position. It is an operation | movement figure which shows the ventilation path open | released by operating the door of this embodiment. It is side sectional drawing which shows the state which rotated the door 90 degrees from the 1st holding position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101,301 ... Door structure 110,310 ... Air flow path 111 ... Side wall 113 ... Support part 114B, 314A, 314B ... Accommodating part 120, 320 ... Door 121 ... Supporting part 122 ... Connection part 123,324a, 325a ... Closure part 310a ... 1st ventilation path 320a ... 1st door 320b ... Door

Claims (2)

A door structure (101, 301) of a vehicle air conditioner that opens and closes an air passage (110, 310) by a door (120, 320) installed in the air passage (110, 310),
Support portions (213) on each of the opposing side walls (111) of the air passage (110) having a rectangular cross-sectional shape,
A wall portion located between the side walls (111), and a housing portion (114B) having an arcuate recess,
The door (120) in which the closing part (123) for closing the air passage (110) is rotatably supported by the support part (213) by the support part (121) via the connecting part (122), The vehicle characterized in that the closing portion (123) closes the air passage (110) at the first holding position, and the closing portion (123) is accommodated in the accommodation portion (114B) at the second holding position. Air conditioner door structure. In the door structure of the vehicle air conditioner according to claim 1,
A plurality of the air passages (320) in which the door (320) is disposed are disposed in parallel,
These doors (320) are configured to work together,
In the first holding position, the closing portion (324a, 325a) of the first door (320a) closes the first air passage (310a) and the door (320) disposed in the other air passage (320b). The closing part (324b, 325b) of at least one of the doors (320b) is housed in the housing part (314A, 314B) of the air passage (320b), and the air passage (320b) is opened. Door structure of a vehicle air conditioner.

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