JP2013018311A - Vehicular air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an evaporator from being damaged when inserted.SOLUTION: Inside a hollow air conditioner case 11, the evaporator 15 and a mix door 19 are arranged close to each other in descending order from the windward side. The evaporator 15 is inserted through an opening 11c formed on a side face of the air conditioner case 11 and is disposed inside the air conditioner case 11. A part 19a, which is a part of the mix door 19 that is closest to the evaporator 15, is provided with a damage preventing guide 35 which guides the evaporator 15 to prevent the evaporator 15 from being damaged when the evaporator 15 is inserted.

Description

  The present invention relates to a vehicle air conditioner.

  A vehicle such as an automobile is provided with an air conditioner (hereinafter referred to as an air conditioner) (see, for example, Patent Document 1).

  This air conditioner includes an air conditioner main body installed in the front part of the passenger compartment, and a duct for supplying air for air conditioning from the air conditioner main body to the air outlets provided in each part of the passenger compartment. .

  The air conditioner main body includes a hollow air conditioner casing, and an air inlet and an air outlet provided in the air conditioner casing.

  The hollow air conditioner casing has an evaporator (cooling heat exchanger) and a heater core (heating heat exchanger) in that order from the windward side. The leeward side of the evaporator is divided into a warm air passage and a bypass passage, and the heater core is provided inside the warm air passage. Between the evaporator and the heater core, there is provided a mix door that can distribute the air-conditioning air that has passed through the evaporator to the hot air passage and the bypass passage.

  And the above-mentioned air conditioner body is assembled from, for example, an opening formed on the side surface of the air conditioner housing part by assembling the divided door pieces of the air conditioner housing part divided into the left and right with respect to the mix door. The evaporator and the heater core are inserted, the opening is closed by the side member, and the air intake unit and the air distribution unit of the air intake port are attached.

JP 2001-270317 A

  However, in the vehicle air conditioner described in Patent Document 1 above, the mix door and the evaporator are arranged at positions very close to the air conditioner casing, and therefore the evaporator is connected to the air conditioner casing. There was a risk of damaging the evaporator by the mix door when inserting.

  In order to solve the above-mentioned problems, the present invention provides an evaporator and a mix door that are installed in the proximity of a hollow air conditioner casing in order from the windward side, and the evaporator is disposed on a side surface of the air conditioner casing. In the vehicle air conditioner configured to be installed inside the air conditioner casing through the opening provided in the vehicle, the evaporator is guided to the portion of the mix door that is closest to the evaporator when the evaporator is inserted. And the damage prevention guide part which can prevent damage to an evaporator is provided, It is characterized by the above-mentioned.

  According to the present invention, the following effects can be obtained by the above-described configuration. That is, when the evaporator is inserted into the air conditioner casing by the damage prevention guide provided at the portion closest to the evaporator of the mix door, the evaporator can be guided so as not to be damaged.

1 is a perspective view of a vehicle provided with an air conditioner according to an embodiment of the present invention. It is the figure which looked at the instrument panel of FIG. 1 from the passenger | crew side. It is side sectional drawing of the air conditioner main body of FIG. It is a disassembled perspective view of the air conditioner main body of FIG. It is the perspective view which looked at the mix door of Drawing 4 from the vehicles front side. It is a perspective view of the center sliding door unit of FIG. It is a disassembled perspective view of the center sliding door unit of FIG. FIG. 4 is a partially enlarged view of FIG. 3. It is an expansion perspective view of the connection part of a slide door case. It is sectional drawing of the connection part of FIG.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings.

  1 to 10 show this embodiment and its modifications.

  <Configuration> The configuration will be described below.

  As shown in FIG. 1 or FIG. 2, a vehicle 1 such as an automobile is provided with an air conditioner (hereinafter referred to as an air conditioner 2).

  The air conditioner 2 includes an air conditioner body 4 provided inside an instrument panel 3 installed at the front part of the passenger compartment, and an air outlet 5 provided from the air conditioner body 4 to each part of the passenger compartment. And a duct 6 for supplying air for air conditioning.

  As shown in FIG. 3, the air conditioner body 4 includes a hollow air conditioner casing 11 and an air inlet 12 and an air outlet 13 provided in the air conditioner casing 11.

  The hollow air conditioner casing 11 has an evaporator 15 (cooling heat exchanger) and a heater core 16 (heating heat exchanger) in that order from the windward side. The leeward side of the evaporator 15 is divided into a hot air passage 17 and a bypass passage 18 by a partition, and the heater core 16 is provided inside the hot air passage 17. Between the evaporator 15 and the heater core 16, a mix door 19 is provided that can distribute the air-conditioning air that has passed through the evaporator 15 to the hot air passage 17 and the bypass passage 18. The mix door 19 is installed at a position close to the evaporator 15.

  Here, the evaporator 15 is configured to cool the air-conditioning air using the latent heat of vaporization of the refrigerant used in the air-conditioning apparatus 2. The heater core 16 heats the air for air conditioning using the heat of the cooling water heated by the engine.

  And the above-mentioned air conditioner main body 4 is assembled | attached with the division | segmentation piece 11a, 11b of the air conditioning apparatus housing | casing part 11 divided | segmented into right and left with respect to the mix door 19, as shown in FIG. The evaporator 15 and the heater core 16 are inserted from the opening 11c formed on the side surface of the device housing 11, and the opening 11c is closed by the side member 11d, and the air intake 12 and the air intake 13 are arranged. It is configured to be assembled by attaching a wind unit or the like.

  As shown in FIG. 5, the above-described mix door 19 includes a frame-shaped slide door case 23 having a warm air side opening 21 and a cold air side opening 22, and a hot air side opening along the slide door case 23. The slide door unit 25 has a hot air side opening 21 and a slide door unit 24 that can open / close or adjust the opening degree by sliding between the air opening 21 and the cold air side opening 22. .

  The sliding door unit 25 includes a pair of door mounting wall portions 26 to which the sliding door portion 24 can be attached to both side portions of the sliding door case 23. A slide guide portion 28 that slidably supports the slide door portion 24 is provided at the position of the door mounting wall portion 26. Further, the slide door unit 25 is provided with a slide drive unit 29 capable of driving the slide of the slide door unit 24.

  The above-described slide guide portion 28 has guide pins protruding from both side surfaces of the slide door portion 24 and guide groove portions provided on the door mounting wall portion 26. Moreover, the above-described slide drive unit 29 has a rack portion that is provided on the slide door portion 24 and extends in the sliding direction, and a gear mechanism portion that transmits driving force to the rack portion. This gear mechanism part is mainly comprised by the output gear etc. which mesh | engage directly with a rack part. Further details of the slide guide unit 28 and the slide drive unit 29 will be omitted.

  Furthermore, in this embodiment, the interior of the air conditioner main body 4 is divided into a plurality of zones so that air conditioning can be controlled for each zone. For example, it can be divided into two zones A and B for the driver's seat and the passenger's seat, or can be further divided into three zones A to C by adding the zone C for the rear seat. And when dividing | segmenting into several zones A-C, it is necessary to partition the inside of the air-conditioner main body 4 by the number of zones A-C with a partition (partition partition partition) etc. At the same time, it is necessary to divide the mix door 19 by the number of each of the zones A to C. For example, an independent slide door unit 25 is provided for each of the zones A to C, and these are connected and integrated.

  As shown in FIG. 6, the sliding door case 23 of the rear door zone C sliding door unit 25 located in the center is integrally provided with a partition wall 31 (zone partitioning partition wall) on the leeward side. As shown in FIG. 7, the partition wall 31 is divided into left and right divided pieces 31a and 31b. As shown in FIGS. 8 to 10, the left and right divided pieces 31 a and 31 b are locked by a connecting portion 32 including a claw portion 32 a and a claw receiving portion 32 b on the windward side.

(Configuration 1)
As shown in FIG. 8, at least a portion 19 a closest to the evaporator 15 of the mix door 19 described above is a guide for preventing damage that can prevent the evaporator 15 from being damaged by guiding the evaporator 15 when the evaporator 15 is inserted. A portion 35 is provided.

  Here, the guide part 35 for preventing damage can be provided also for parts other than those described above and for the mixed doors 19 of other zones A and B.

(Configuration 2)
As described above, the mix door 19 is divided into at least three or more slide door units 25 in the width direction of the air conditioner casing 11, and the slide door case 23 of the intermediate slide door unit 25 is divided into left and right divided pieces. The left and right divided pieces 31a and 31b are connected to each other by a claw portion 32a and a claw receiving portion 32b, and the claw portion 32a and the claw receiving portion 32b are closest to the evaporator 15 of the mix door 19 In the case of 19a, the above-described damage preventing guide portion 35 is configured to protect the above-described claw portion 32a and the claw receiving portion 32b as shown in FIGS.

(Configuration 3)
The above-mentioned damage prevention guide part 35 is extended in the mounting direction of the evaporator 15 with respect to the air conditioner housing part 11 to form a pair of guide ribs 36 that can protect both sides of the claw part 32a and the claw receiving part 32b.

(Configuration 4)
It is assumed that the pair of guide ribs 36 have inclined surfaces 36a and 36b that are inclined upwardly toward the top of the claw receiving portion 32b.

  Here, the inclined surfaces 36a and 36b are provided on both sides of the top of the claw receiving portion 32b.

  <Functional Effects> The operational effects of this embodiment will be described below.

  The evaporator 15 is inserted from the opening 11c formed on the side surface of the air conditioner casing 11.

(Operation effect 1)
At least when the evaporator 15 is inserted into the air conditioner casing 11 by the damage prevention guide portion 35 provided in the portion 19a closest to the evaporator 15 of the mix door 19, the evaporator 15 is not damaged. Can guide.

(Operation effect 2)
The claw portion 32a and the claw receiving portion 32b that connect the left and right divided pieces 31a and 31b of the intermediate slide door unit 25 can be simultaneously protected by the damage preventing guide portion 35.

(Operation effect 3)
The pair of guide ribs 36 serving as the damage prevention guide portion 35 protects both side portions of the claw portion 32a and the claw receiving portion 32b and extends in the attachment direction of the evaporator 15 to prevent damage when the evaporator 15 is attached. It is possible to prevent the resistance due to the guide portion 35 from increasing.

(Operation effect 4)
The pair of guide ribs 36 have inclined surfaces 36a and 36b that are inclined upward toward the top of the claw receiving portion 32b, so that the evaporator 15 is not strongly rubbed against the top of the claw receiving portion 32b when the evaporator 15 is inserted. In addition, the claw receiving portion 32b can be positioned in the height direction.

  Although the embodiments of the present invention have been described in detail with reference to the drawings, the embodiments are only examples of the present invention, and the present invention is not limited to the configurations of the embodiments. Needless to say, design changes and the like within a range not departing from the gist of the invention are included in the present invention. Further, for example, when each embodiment includes a plurality of configurations, it is a matter of course that possible combinations of these configurations are included even if not specifically described. Further, when a plurality of embodiments and modifications are shown, it is needless to say that possible combinations of configurations extending over these are included even if not specifically described. Further, the configuration depicted in the drawings is of course included even if not particularly described. Further, when there is a term of “etc.”, it is used in the sense that the equivalent is included. In addition, when there are terms such as “almost”, “about”, “degree”, etc., they are used in the sense that they include those in the range and accuracy recognized by common sense.

DESCRIPTION OF SYMBOLS 11 Air conditioner housing | casing part 11c Opening part 15 Evaporator 19 Mix door 19a Part 23 Slide door case 25 Slide door unit 31a, 31b Split piece 32a Claw part 32b Claw receiving part 35 Damage prevention guide part 36 Guide rib 36a, 36b Inclined surface

Claims (4)

Inside the hollow air conditioner casing, the evaporator and the mix door are installed in close proximity from the windward side,
In the vehicle air conditioner configured such that the evaporator is attached to the inside of the air conditioner casing from an opening provided on a side surface of the air conditioner casing.
An air conditioner for a vehicle, comprising a damage prevention guide portion capable of guiding the evaporator and preventing the evaporator from being damaged when the evaporator is inserted into a portion of the mix door that is closest to the evaporator. The mix door is divided into at least three or more slide door units in the width direction of the air conditioner casing,
The sliding door case of the intermediate sliding door unit is divided into left and right case pieces, and the left and right case pieces are connected to each other by a claw portion and a claw receiving portion,
The claw part and the claw receiving part are the parts closest to the evaporator of the mix door,
The vehicle air conditioner according to claim 1, wherein the damage prevention guide portion is configured to protect the claw portion and the claw receiving portion.   The vehicle air conditioner according to claim 2, wherein the damage prevention guide portion is a pair of guide ribs extending in an evaporator mounting direction and capable of protecting both side portions of the claw portion and the claw receiving portion.   4. The vehicle air conditioner according to claim 2, wherein the pair of guide ribs have inclined surfaces that are inclined upward toward the top of the claw receiving portion. 5.