JP2006076416A - Method of installing air-conditioner blower on vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installing method of an air-conditioner blower on a vehicle capable of suppressing the space to install a duct and enhancing the easiness in the maintenance works of the blower, eliminating necessity for taking the sealing performance of the blower with the duct, and improving the easiness in the installing works. <P>SOLUTION: In installing the blower 3 in the duct 2 at a vehicle ceiling 1, a space 2b is provided for accommodating the blower, and the duct having approximately a U-shaped section furnished with an open face 2a is attached fast to the ceiling with the open face facing down, and the blower is installed in the space of the duct, and finally a decoration cover 4 is attached to an insert hole 1a from which the blower has been inserted into the duct. The insert hole is provided in the ceiling, and the blower is installed in the duct from inside the cabin. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a method for assembling an air-conditioning blower to a duct used when air-conditioned air is blown out to an occupant from an interior base material such as a ceiling in a vehicle cabin.

  Conventionally, Patent Document 1 discloses an air conditioner for a bus vehicle having a structure in which a blower is mounted inside a duct provided on the ceiling of a vehicle as shown in FIG.

JP-A-10-339501

  That is, in FIGS. 6A and 6B, the refrigerant evaporator 40 and the blower 30 are placed in the cooling duct 20 that extends in the front-rear direction of the bus vehicle on the left and right sides of the vehicle interior ceiling 10. A cooling unit with a housing is shown. Reference numeral 21 denotes an air inlet provided in the cooling duct 20, and reference numeral 22 denotes an air outlet. However, in the built-in type air conditioner mounted on the conventional bus vehicle, as an assembly order, a cooling unit including the blower 30 is installed on the ceiling 10 and then the cooling duct 20 is assembled.

  For this reason, when the blower 30 is maintained, the duct 20 must be removed once, so that there is a problem that the maintainability is poor and the space efficiency is also poor.

  Further, conventionally, an air duct structure configured as shown in FIGS. 7A, 7B, and 7C has already been used in the vehicle ceiling. That is, the conditioned air blown from the blower 30 provided at the rear of the vehicle is sent to the ceiling 10 through the duct 20 disposed along the C pillar. And the air-conditioning wind is sprayed with respect to a passenger | crew from the blower outlet 22 provided in the ceiling. In this case, as shown in FIG. 7C, the duct 20 is fixed to a substrate such as the ceiling 10 by welding or screwing in advance, and then the blower 30 is assembled. As described above, when the blower 30 is assembled to the ceiling 10 from the vehicle interior side, in order to prevent wind leakage, the positions of the suction port of the duct 20 and the blower outlet of the blower 30 that are already assembled to the ceiling are aligned. It was necessary to ensure the sealing performance with packing or the like, and the assembling performance was poor, which was a problem.

  The present invention has been made in view of the above problems, and the object thereof is to reduce the space of the duct and improve the maintainability of the blower, and it is not necessary to consider the sealing performance between the blower and the duct. It is to provide a method for assembling an air-conditioning blower to a vehicle with improved assemblability.

The present invention provides, as means for solving the above-mentioned problems, a method for assembling an air-conditioning blower to a vehicle according to the claims.
The method of assembling the air-conditioning blower to the vehicle according to claim 1 is as follows: (1) a space that can accommodate the blower is provided and opened when the air-conditioning blower is installed inside the duct attached to the vehicle ceiling; Fixing the duct having the opening face downward to the ceiling, (2) installing the blower in this space of the duct, and (3) attaching the design cover to the insertion port into which the blower is inserted. And a stage for mounting, whereby the ceiling can be a part of the duct, space saving of the ceiling duct can be achieved, and the blower is housed in the duct. There is no need to connect the duct and the blower, and there is no need to consider the sealing performance.

The assembly method according to claim 2 is provided with an insertion port of a blower on the ceiling so that the blower can be installed in the duct from the vehicle interior side. The blower can be removed from the passenger compartment side, and its maintainability is good.
In the assembling method according to the third aspect, the duct is formed of a porous material, and thereby noise transmitted through the duct can be reduced.

  In the assembling method of the fourth aspect, the shape of the space of the duct is formed so as to cover the blower, thereby eliminating the need for the sealing property between the duct and the blower.

  A method for assembling an air-conditioning fan to a vehicle according to an embodiment of the present invention will be described below with reference to the drawings. 1A is a plan view of a duct provided on a vehicle ceiling according to the present invention as viewed from the ceiling side, FIG. 1B is a plan view of the duct as viewed from the vehicle interior side, and FIG. A sectional view taken along line A is shown. As can be seen from FIG. 1 (c), the duct 2 is formed in a substantially U-shaped cross section in which one surface 2a is opened, and accommodates a blower (air conditioning blower) 3 at a predetermined position. The space 2b is formed. The duct 2 is generally formed of a metal material or a resin material, but may be formed of a porous material.

  On both sides of the ceiling 1 of the vehicle, air outlets 1b for blowing the conditioned air into the passenger compartment are provided, and at a predetermined position, the insertion ports 1a of the fan 3 for mounting the fan 3 in the duct 2 are provided. Is provided. The duct 2 is fixed to the ceiling 1 by welding or screwing after aligning the position of the space 2b with the positions of the insertion port 1a and the outlet 2b of the ceiling 1 with the open surface 2a facing downward. . Thus, the duct 2 is installed on the upper side (ceiling side) of the ceiling 1.

  2A and 2B are views for explaining the mounting of the blower in the duct, wherein FIG. 2A is a plan view thereof and FIG. After the duct 2 is attached and fixed to the ceiling 1, the blower 3 is incorporated in the space 2 b of the duct 2. That is, the blower 3 is inserted from the vehicle interior side through the insertion port 1a of the ceiling 1, is stored in the space 2b of the duct 2, and is attached and fixed to the duct 2 or the ceiling 1 or both. Thus, as shown in FIG. 2A, the blower 3 is completely covered by the duct 2. Therefore, it is not necessary to connect the blower outlet 3a of the blower 3 and the duct 2, and it is not necessary to ensure sealing performance. However, the sealing property between the ceiling 1 and the blower 3 needs to be ensured.

  FIG. 3 shows an exploded view of a part to be assembled to the ceiling of the vehicle. That is, the duct 2 is first fixed to the ceiling 1, then the blower 3 is incorporated into the duct 2, and finally the insertion port 1 a into which the blower 3 is inserted is covered with the design cover 4 and blown out to the outlet 1 b of the ceiling 1. Insert the register 5. The design cover 4 is provided with an air inlet 4a.

Next, the effect of this embodiment is demonstrated.
In the present embodiment, by making one surface of the duct 2 an open surface 2a and fixing the open surface 2a side to the ceiling 1, the ceiling 1 can be a part of the duct 2, and space saving of the ceiling duct can be achieved. Can be planned.
Further, since the duct 2 is structured to cover the blower 3, there is no wind leakage even if the sealing performance at the connection between the blower outlet 3 a of the blower 3 and the duct 2 is not taken into consideration.
Furthermore, when the duct 2 is formed of a porous material, noise transmitted through the duct 2 can be reduced and the weight can be reduced.
Moreover, also when maintaining the air blower 3, since the air blower 3 can be removed from the vehicle interior side, the maintainability is favorable.

  4A and 4B are views for explaining the installation of a duct and a blower, which is a method of assembling an air-conditioning blower to a vehicle according to another embodiment of the present invention. FIG. 4A is a plan view thereof, and FIG. A cross-sectional view is shown. In the previous embodiment, the structure of the duct 2 was configured to cover the blower 3. However, in this embodiment, a structure in which the air outlet 3a of the blower 3 and the duct 2 are connected is employed. Therefore, as shown in FIG. 4 (b), it is necessary to perform sealing between the blower 3 and the ceiling 1 and between the blower 3 and the duct 2, and in terms of sealing performance, it is inferior to the previous embodiment. On the other hand, there is an advantage that the space of the duct 2 can be saved and the pressure loss can be reduced. Also in this embodiment, the assembly procedure of the blower is performed in the same procedure as in the previous embodiment.

FIG. 5 shows two modifications (a) and (b) of the above-described embodiment. That is, in the above-described embodiment, the double blower 3 is used, but the present invention can be realized even if the single blower 3 is used as shown in FIG. In that case, as shown in FIG. 5A, a duct 2 structure that covers the single blower 3 may be adopted, or as shown in FIG. 5B, the blowout of the single blower 3 is performed. You may employ | adopt the structure which connects the exit 3a and the duct 2. FIG.
In this modification, it is possible to achieve a space saving of the duct and a reduction in pressure loss as compared with the case where a double blower blower is employed.

  In the above-described embodiment, the place where the duct is installed is described as the ceiling of the vehicle. However, the present invention can also be applied to a vehicle door or the like. It can be obtained.

The duct provided in the vehicle ceiling in the present invention is shown in (a) a plan view seen from the ceiling side, (b) a plan view seen from the vehicle interior side, and (c) a sectional view taken along line AA in (a). ing. It is a figure explaining the attachment of the air blower to a duct in the assembly | attachment method of the air conditioner air blower to the vehicle which is embodiment of this invention, (a) is the top view, (b) is the sectional drawing. Show. In this invention, it is an exploded view of the assembly | attachment components assembled | attached to the ceiling of a vehicle. It is a figure explaining attachment of the air blower to a duct in the assembling method of the air conditioner air blower to the vehicle of another embodiment of the present invention, (a) is the top view, and (b) is the sectional view. Show. It is a figure which shows two modification (a), (b) of this invention. (A), (b) is a figure explaining the assembly | attachment of the air blower to the duct of the conventional vehicle ceiling. (A), (b), (c) is a figure explaining the duct structure of the conventional vehicle ceiling.

Explanation of symbols

1 Ceiling 2 Duct 3 Blower

Claims (4)

The method of assembling the air-conditioning fan for attaching the air-conditioning fan to the inside of the duct attached to the ceiling of the vehicle includes the following steps: (1) A substantially U having an open surface provided with a space for accommodating the fan. Fixing a duct having a cross-sectional shape to the ceiling with the open surface facing downward;
(2) installing the blower in the space of the duct;
(3) A step of attaching a design cover to an insertion port in which the blower is inserted into the duct;
A method for assembling an air-conditioning blower to a vehicle.   The method for assembling an air-conditioning blower to a vehicle according to claim 1, wherein the insertion port is provided in the ceiling, and the blower is attached to the duct from the inside of the vehicle interior.   The method of assembling an air conditioning blower to a vehicle according to claim 1 or 2, wherein the duct is made of a porous material.   The method for assembling an air-conditioning blower to a vehicle according to claim 1, 2 or 3, wherein the space of the duct is shaped to cover the blower.

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