JP4539525B2 - Manufacturing method for vehicle air conditioner - Google Patents

Description

The present invention relates to a method for manufacturing a vehicle air conditioner, and more particularly, to a structure for assembling a fan motor to an air conditioning case.

  Generally, an air conditioner for a vehicle includes a blower (blower) unit that takes in air outside the vehicle interior and blows it into the vehicle interior, a cooler unit provided with an evaporator that cools the blown air, and a heater core that heats the blown air. And a heater part provided. The cooler unit and the heater unit are also referred to as an air conditioning unit.

  And when cooling a vehicle interior, after having cooled the air taken in from the blower part by the evaporator, it blows out toward the desired position in a vehicle interior from the several blower outlet opened in the heater part. On the other hand, when heating the passenger compartment, the air taken in from the blower part is heated by the heater core, and then blown out from the outlet toward a desired position in the passenger compartment.

  5A and 5B are perspective views showing a procedure for assembling the conventional fan 121 and the motor 122, where FIG. 5A shows sub-assembly of the fan and motor 12, and FIG. 5B shows assembly to the case 10. FIG. As shown in FIG. 5, the blower portion of the vehicle air conditioner as described above includes an air conditioner case 10 composed of a pair of an upper case 10 a and a lower case 10 b which are roughly divided into two parts, a fan 121 for blowing air, A fan motor 122 for driving the fan 121 is included.

  More specifically, as shown in FIG. 1A, first, the fan motor 122 is press-fitted and fixed to the resin flange case 125 in which the motor holding portion 103 is formed, and then the fan 121 is press-fitted and fixed to the shaft 123 of the fan motor 122. Then, the fan & motor 12 is sub-assembled. Next, as shown in (b), at least the lower case 10b is turned upside down once, and the fan and motor 12 previously subassembled is turned upside down in the same manner and inserted and fitted, and fixed with a plurality of screws N. To do.

  Note that reference numerals 104 and 124 in FIG. 5A relate to the second embodiment of the present invention and will be described later. FIG. 6 is a partial schematic view showing a procedure for assembling the fan 121 and the motor 122 during the development of the present invention. In this case, for the purpose of cost reduction, the lower case 10b and the previous flange case are integrally formed. The fan motor 122 is directly press-fitted and fixed to the motor holding portion 103 formed in the lower case 10b, and then the fan The fan 121 is press-fitted and fixed to the shaft 123 of the motor 122.

Note that G in FIG. 6 is a receiving jig for fixing the lower case 10 b and receiving pressure input from the motor 122 and the fan 121. Further, Patent Document 1 below discloses a device in which a fan and a motor are directly press-fitted into a case for the purpose of cost reduction.
JP 9-295505 A

  However, even if the cost of the above-described conventional structure is reduced, in the former structure under development, when the motor is press-fitted into the case, it is a press-fitting work by pushing the outer periphery of the motor. There is a problem that it is difficult to obtain the vertical degree of the axis. Furthermore, since the case becomes large and vibrations of the motor cannot be picked up well, there is a problem that the unbalance amount from the fan and motor cannot be measured well.

  Further, in the latter structure shown in Patent Document 1, the unbalance amount in the fan & motor state can be measured well, but when the fan & motor is press-fitted into the case, there is only a portion that pushes only the upper surface of the motor shaft. For this reason, there is a problem that it is difficult to obtain the perpendicularity of the motor shaft with respect to the motor holding portion of the case.

In addition, there is a risk that an unreasonable force may be applied to the bearing portion that supports the shaft during press-fitting and the upper and lower housing portions that support the bearing portion to cause a problem. The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a method for manufacturing a vehicle air conditioner having a structure in which a fan and a motor can be assembled to a case without difficulty. It is to provide.

In order to achieve the above object, the present invention employs technical means described in claims 1 to 4. That is, in the first aspect of the present invention, the air conditioning case (10) that has an inlet (14b, 14c) at one end and an outlet to the passenger compartment side at the other end to form an air passage inside,
A fan (121) for blowing air that is disposed in the air passage and generates an air flow from the suction port (14b, 14c) to the blowout port;
In a vehicle air conditioner including a fan motor (122) that drives a fan (121),
A motor holding part (103) for accommodating the fan motor (122) inside the air conditioning case (10), and an opening hole (104) formed on the outer side of the motor holding part (103),
The fan motor (122) is pulled into the motor holding portion (103) and assembled from the outside of the opening hole (104).

  According to the first aspect of the present invention, the perpendicularity of the motor shaft with respect to the motor holding portion of the case is difficult to be obtained in order to push the outer periphery and shaft portion of the motor, which was a problem in the cost reduction structure described above. Then, the fan motor (122) can be smoothly housed in the motor holding part (103) by being pulled into the motor holding part (103) from the opposite output shaft side and assembled. The perpendicularity of the axis is also easily obtained.

  In addition, it is possible to prevent inconvenience caused by applying an excessive force to the bearing portion that supports the shaft (123) during press-fitting and the upper and lower housing portions that support the bearing portion. Further, conventionally, since a device for press-fitting onto the work table for positioning the air conditioning case (10) is required, the press-fitting device is large in the height direction. Therefore, a device for drawing in the work table for positioning the case can be inserted, and a small press-fitting device with a small height can be obtained.

Further, in the invention according to claim 2, an air conditioning case (10) having an inlet (14b, 14c) at one end and an air outlet to the passenger compartment side at the other end to form an air passage inside,
A fan (121) for blowing air that is disposed in the air passage and generates an air flow from the suction port (14b, 14c) to the blowout port;
A fan motor (122) for driving the fan (121);
In a vehicle air conditioner including a flange case (125) that holds and fixes a fan motor (122) to an air conditioning case (10).
A motor holding part (103) for accommodating the fan motor (122) inside the flange case (125), and an opening hole (104) formed on the outer side of the motor holding part (103),
The fan motor (122) is pulled into the motor holding portion (103) and assembled from the outside of the opening hole (104).

  This is the one in which the motor press-fitting structure of the present invention is applied to press-fitting into a conventional flange case (125). According to the second aspect of the present invention, similarly to the first aspect, the fan motor (122) is pulled into the motor holding portion (103) from the opposite output shaft side and assembled, whereby the motor holding portion (103). The motor shaft can be accommodated smoothly, and the degree of perpendicularity of the motor shaft with respect to the motor holding portion (103) can be easily obtained.

  Further, conventionally, since a device for press-fitting onto the work table for positioning the flange case (125) is required, the press-fitting device is large in the height direction. Therefore, a device for drawing in the work table for positioning the case can be inserted, and a small press-fitting device with a small height can be obtained.

  According to a third aspect of the present invention, in the vehicle air conditioner according to the first or second aspect of the present invention, the connecting portion (124) is provided at a substantially central portion of the fan motor (122) opposite to the fan drive side. And a pulling-in jig (H) is connected to the connecting portion (124) for pulling. According to the third aspect of the present invention, the fan motor (122) can be reliably pulled in and press-fitted.

  According to a fourth aspect of the present invention, in the vehicle air conditioner according to any one of the first to third aspects, the fan (121) and the fan motor (122) are combined to provide a fan and motor. (12), and then the fan & motor (12) is pulled into the air conditioning case (10) or the flange case (125) and assembled.

  According to the fourth aspect of the present invention, the measurement of the unbalance amount as the fan and motor, which has been a problem in the above-described cost reduction structure during development, is performed by first combining the fan (121) and the fan motor (122). By combining the fan and motor (12), it can be easily performed in the state of the fan and motor (12).

  Then, the fan & motor (12) is pulled into the air conditioning case (10) or the flange case (125) so as not to lose this balance. Incidentally, the reference numerals in parentheses of the above means are examples showing the correspondence with the specific means described in the embodiments described later.

(First embodiment)
Hereinafter, a first embodiment to which the present invention is applied (corresponding to claims 1, 3, and 4) will be described in detail with reference to FIGS. FIG. 1 is a schematic diagram showing an overall configuration of a vehicle air conditioner according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view showing a schematic configuration of a blower unit 11 in the first embodiment to which the present invention is applied. FIG.

  3 (a) to 3 (c) are partial schematic views showing a procedure for assembling the fan & motor 12 in the lower case 10b according to the present invention, and (d) is an enlarged view of a portion A in (c). . FIG. 4 shows an example of the tip shape of the pull-in jig H and an example of the shape of the motor side connecting portion 124 corresponding thereto.

  First, in FIG. 1, a refrigeration cycle R of a vehicle air conditioner is provided with a compressor 1 that sucks, compresses and discharges refrigerant. The compressor 1 has an electromagnetic clutch 2 for power interruption, and the power of the vehicle travel engine 4 is transmitted to the compressor 1 via the electromagnetic clutch 2 and the V belt 3.

  Energization of the electromagnetic clutch 2 is controlled by an air conditioner ECU (not shown). When the electromagnetic clutch 2 is energized and connected, the compressor 1 enters an operating state. On the other hand, when the energization of the electromagnetic clutch 2 is cut off and the disengaged state is established, the compressor 1 stops. The high-temperature and high-pressure gas refrigerant discharged from the compressor 1 flows into the condenser 6, where it exchanges heat with outside air cooling air blown from a cooling fan (not shown), and the refrigerant is cooled and condensed.

  The refrigerant condensed in the condenser 6 then flows into the receiver 7, where the gas-liquid refrigerant is separated inside the receiver 7, and excess refrigerant (liquid refrigerant) in the refrigeration cycle R is stored in the receiver 7. . The liquid refrigerant from the receiver 7 is depressurized to a low pressure by an expansion valve 8 as a depressurizing means, and becomes a low pressure gas-liquid two-phase state.

  The low-pressure refrigerant from the expansion valve 8 flows into an evaporator (cooling heat exchanger) 9 as air cooling means. The evaporator 9 is installed in the air conditioning case 10 of the vehicle air conditioner, and the low-pressure refrigerant that has flowed into the evaporator 9 absorbs heat from the air flowing in the air conditioning case 10 and evaporates. The refrigerant outlet of the evaporator 9 is connected to the suction side of the compressor 1 and constitutes a closed circuit with the above-described cycle components.

  In the air conditioning case 10, a blower (blower) unit 11 serving as a blowing unit is disposed on the upstream side of the evaporator 9, and the blower unit 11 is provided with a fan 121 for blowing and a fan motor 122 for driving the fan 121. Yes. An inside / outside air switching box 14 serving as an inside / outside air switching means is arranged on the suction side of the fan 121, and an open / close ratio between the outside air introduction port 14b and the inside air introduction port 14c by the inside / outside air switching door 14a in the inside / outside air switching box 14 is provided. Is variable.

  Thereby, the introduction ratio of outside air (vehicle compartment outside air) or inside air (vehicle compartment air) into the inside / outside air switching box 14 is adjusted. The inside / outside air switching door 14a is rotated by an actuator such as an inside / outside air switching servo motor (not shown) attached to the outer surface of the inside / outside air switching box 14, or a wire connected to a manual lever of a control panel in the vehicle interior. Made.

  Next, the air conditioning unit 15 disposed on the downstream side of the blower unit 11 in the ventilation system of the air conditioner will be described. The air-conditioning unit 15 is usually arranged at a substantially central position in the vehicle width direction inside the instrument panel in the front part of the vehicle interior, whereas the previous blower unit 11 is a passenger seat with respect to the air-conditioning unit 15 part. It is arranged offset to the side.

  An air mix (A / M) door 19 is disposed on the downstream side of the evaporator 9 in the air conditioning case 10. Cooling water (hot water) for the vehicle traveling engine 4 is supplied on the downstream side of the air mix door 19. A hot water heater core (heating heat exchanger) 20 for heating air is installed as a heat source. A bypass passage 21 that bypasses the hot water heater core 20 and flows cool air is formed above the hot water heater core 20.

  The air mix door 19 adjusts the air volume ratio between the hot air passing through the hot water heater core 20 and the cold air passing through the bypass passage 21, and the air blown into the vehicle interior by adjusting the air volume ratio of the cold / hot air. The temperature is adjusted. That is, in the present embodiment, the air mix door 19 constitutes a temperature adjusting means for the air blown into the vehicle interior.

  The air mix door 19 is rotated by an actuator such as an air mix servo motor (not shown) attached to the outer surface of the air conditioning case 10 or a wire connected to a manual lever of a control panel in the vehicle compartment. . A hot air passage 23 extending from the lower side to the upper side is formed on the downstream side of the hot water heater core 20, and the hot air from the hot air passage 23 and the cold air from the bypass passage 21 are in the vicinity of the air mixing unit 24. Mixing can produce air for air conditioning at a desired temperature.

  Further, in the air conditioning case 10, a blowing mode switching unit is configured on the downstream side of the air mixing unit 24. That is, a defroster opening 25 is formed in the upper surface portion of the air conditioning case 10, and this defroster opening 25 is connected to a defroster outlet (not shown) that blows air to the inner surface of the vehicle front window glass via a defroster duct (not shown). Yes. The defroster opening 25 is opened and closed by a rotatable plate-like defroster door 26.

  Further, a face opening 27 is formed on the upper surface of the air-conditioning case 10 at a position on the rear side of the vehicle from the defroster opening 25, and this face opening 27 is directed to the upper body of the passenger in the vehicle cabin via a face duct (not shown). To a center face air outlet and a side face air outlet, not shown. The face opening 27 is opened and closed by a rotatable plate-like face door 28.

  Further, in the air conditioning case 10, a foot opening 29 is formed below the face opening 27, and the foot opening 29 blows air toward the feet of the passengers in the passenger compartment through a foot duct (not shown). Connected to the outlet. The foot opening 29 is opened and closed by a rotatable plate-like foot door 30.

  The above-described blow mode doors 26, 28, and 30 are connected to each other by a common link mechanism (not shown). The link mechanism is rotated by an actuator such as a mode switching servo motor (not shown) attached to the outer surface of the air conditioning case 10 or a wire connected to a manual lever of a control panel in the vehicle compartment.

  Next, the specific structure of the blower part 11 which is the principal part of this invention is demonstrated using FIG. However, the inside / outside air switching box 14 portion is omitted. As shown in FIG. 2, the air-conditioning case 10 of the blower section 11 is composed of a pair of upper case 10a and lower case 10b divided into two parts, and is formed of a resin (in this example, a polypropylene resin).

  The air-conditioning case 10 of the blower unit 11 has a well-known scroll shape, and an air suction port 101 is formed on the upper surface portion, and an air discharge port extending in the radially outward direction is formed on the side surface portion. Although not shown, the aforementioned inside / outside air switching box 14 is arranged above the air suction port 101. An annular bell mouth 102 is integrally formed at the periphery of the air suction port 101 of the upper case 10a so as to guide the air sucked from the air suction port 101 to the fan 121 at a position substantially coaxial with the fan 121. .

  Further, the bottom case 10b is integrally formed with a bottomed cylindrical motor holding portion 103 for fixing and supporting the outer peripheral surface of the fan motor 122. A fan motor is provided at the center of the bottom surface of the motor holding portion 103. An opening 104 is formed so as to correspond to the connecting portion 124 formed at the center of the bottom surface of 122.

  The fan 121 is a well-known centrifugal multiblade fan (sirocco fan in this example) made of resin (in this example, polypropylene or polyamide). The fan 121 is press-fitted and coupled to the upper end of a shaft (rotating shaft) 123 whose central portion protrudes above the fan motor 122, so that the driving force of the fan motor 122 is transmitted via the shaft 123. Yes.

  Next, the operation of the blower unit 11 will be described based on the above configuration. When power is supplied to the fan motor 122 via a connector terminal (not shown), the shaft 123 of the fan motor 122 is driven to rotate, and the fan 121 coupled to the shaft 123 is rotated. Along with this, the air guided to the bell mouth 102 from the air suction port 101 of the air conditioning case 10 is introduced from the upper side of the axis of the fan 121 and pushed out in the radially outward direction of the fan 121. And it discharges from an air discharge port.

  Next, the procedure for assembling the fan 121 and the fan motor 122 will be described with reference to FIG. First, as shown in (a), the fan motor 122 is fixed to a jig or the like (not shown), the fan 121 is press-fitted and fixed to the shaft 123, and the fan & motor 12 is sub-assembled. The fan & motor 12 is rotated to check the unbalance amount.

  Next, the lower case 10b is set on the receiving jig G on the motor pull-in facility. The lower case 10b is formed with the motor holding portion 103 and the opening hole 104. Then, by the operator's operation, the pulling jig H rises from below the receiving jig G, and comes out above the motor holding portion 103 through the opening hole 104 of the lower case 10b. ing.

  Here, FIG. 4 shows an example of the shape of the leading end of the pulling jig H and an example of the shape of the connecting portion 124 provided on the side opposite to the output shaft of the fan motor 122 corresponding thereto. For example, if the tip shape of the pull-in jig H is Ha and the shape of the connection portion 124 is 124a or 124b, both can be brought into a connected state by rotating the pull-in jig H at a predetermined position. The connection state can be canceled by returning to the original position.

  The same applies to the case where the tip shape of the pull-in jig H is Hb and the shape of the connecting portion 124 is 124c. The pull-in jig Hc is a type that switches the width of the claw, and the connection portion 124 can be switched between a connected state and a non-connected state by switching the width of the claw at a predetermined position with the shape of the connection portion 124d. The same applies to the case where the tip shape of the pull-in jig H is Hd and the shape of the connecting portion 124 is 124e. Note that the shape of the connection portion 124 corresponding to the tip shape of the pull-in jig H is also an example, and is not limited to the shape shown here.

  Next, as shown in FIG. 3B, the connecting portion 124 of the fan & motor 12 and the leading end portion of the pull-in jig H are connected by any of the methods shown above, and then FIG. As shown in c), the fan & motor 12 is press-fitted and fixed to a predetermined position in the motor holding portion 103 by lowering the pull-in jig H to a predetermined position, and then the connecting portion 124 of the fan & motor 12 and the pull-in jig are fixed. By releasing the connection with the tip of the tool H, the press-fitting operation of the fan & motor 12 is completed.

  Incidentally, as shown in FIG. 3 (d), a plurality of press-fitting ribs 103a are formed in the cylindrical wall of the motor holding portion 103, and a portion where the press-fitting ribs 103a and the fan motor 122 abut on each other, Either side is formed in an R shape or a taper shape so that the press-fitting proceeds smoothly.

  Next, features and effects of this embodiment will be described. First, a motor holding portion 103 that houses the fan motor 122 inside the air conditioning case 10 and an opening hole 104 formed on the outer side of the motor holding portion 103, and the fan motor 122 is driven from the outer side of the opening hole 104 to the motor. The holder 103 is pulled in and assembled.

  According to this, the fan motor 122 is countered with respect to the point that it is difficult to obtain the perpendicularity of the motor shaft with respect to the motor holding portion of the case in order to push the outer periphery and shaft portion of the motor, which has been a problem in the cost reduction structure described above. By pulling and assembling into the motor holding portion 103 from the output shaft side, the motor holding portion 103 can be smoothly accommodated, and the motor shaft can be easily perpendicular to the motor holding portion 103.

  In addition, it is possible to prevent inconvenience caused by applying an excessive force to the bearing portion that supports the shaft 123 during press-fitting and the upper and lower housing portions that support the bearing portion. Further, conventionally, since a device for press-fitting on the work table for positioning the air-conditioning case 10 is necessary, the press-fitting device is large in the height direction. A device for drawing in the work table for positioning the case can be inserted, and a small press-fitting device with a short height can be obtained.

  In addition, a connecting portion 124 is provided at a substantially central portion opposite to the fan driving side of the fan motor 122, and drawing is performed by connecting a pulling jig H to the connecting portion 124. Accordingly, the fan motor 122 can be reliably pulled in and pressed into the shaft center.

  Further, the fan 121 and the fan motor 122 are combined to form the fan & motor 12, and then the fan & motor 12 is pulled into the air conditioning case 10 and assembled. According to this, the measurement of the unbalance amount as the fan and motor, which has been a problem in the above-described cost reduction structure during development, is performed by first combining the fan 121 and the fan motor 122 into the fan & motor 12. This can be easily performed in the state of the fan & motor 12. And the fan & motor 12 will be drawn in to the air-conditioning case 10 so that this balance may not be lost.

(Second Embodiment)
The present invention can also be applied to the conventional structure shown in FIG. A second embodiment (corresponding to claims 2 and 4) is shown using the sub-assembly diagram of the fan and motor 12 shown in FIG. Specifically, the connecting portion 124 is provided on the opposite side of the fan motor 122 to the output shaft, the opening hole 104 is provided in the bottom of the motor holding portion 103 of the flange case 125, and the fan motor 122 is connected to the outside of the opening hole 104. The motor holding unit 103 is pulled in and assembled.

  As described above, as a feature of the present embodiment, the motor holding portion 103 that houses the fan motor 122 inside the flange case 125 and the opening hole 104 formed on the outer side of the motor holding portion 103 are formed. The fan motor 122 is pulled into the motor holding portion 103 from the outer side of the motor and assembled.

  This is a case where the motor press-fitting structure of the present invention is applied to press-fitting into a conventional flange case 125. According to this, similarly to the first embodiment, the fan motor 122 can be smoothly accommodated in the motor holding portion 103 by being pulled into the motor holding portion 103 from the opposite output shaft side and assembled. The degree of perpendicularity of the motor shaft with respect to 103 is also easily obtained.

  Further, conventionally, since a device for press-fitting on the work table for positioning the flange case 125 is required, the press-fitting device is large in the height direction. However, the present invention is pressed down and press-fitted. A device for drawing in the work table for positioning the case can be inserted, and a small press-fitting device with a short height can be obtained.

  The fan 121 and the fan motor 122 are combined to form the fan & motor 12, and then the fan & motor 12 is pulled into the flange case 125 and assembled. According to this, the measurement of the unbalance amount as a fan and motor, which was a problem in the above-described cost reduction structure during development, is performed by first combining the fan 121 and the fan motor 122 into the fan and motor 12. This can be easily performed in the state of the fan & motor 12. Then, the fan & motor 12 is pulled into the flange case 125 so as not to lose this balance.

(Other embodiments)
In the above-described embodiment, the vehicle air conditioner in which the blower unit 11 and the air conditioning unit 15 are integrated has been described as an example. However, the present invention is not limited to the above-described embodiment, and at least the blower unit 11. However, the present invention may be applied to a blower unit of a vehicle air conditioner that is a separate blower unit and its assembly.

1 is a schematic diagram showing an overall configuration of a vehicle air conditioner according to an embodiment of the present invention. It is a longitudinal cross-sectional view which shows schematic structure of the blower part 11 in 1st Embodiment to which this invention is applied. (A)-(c) is the partial schematic diagram which showed the procedure which assembles the fan & motor 12 in this invention in the lower case 10b, (d) is the A section enlarged view in (c). It is the example of the front-end | tip shape of the drawing jig | tool H, and the example of the shape of the motor side connection part 124 corresponding to it. It is the perspective view which showed the assembly | attachment procedure of the conventional fan 121 and the motor 122, (a) shows the subassembly of the fan & motor 12, (b) shows the assembly to the case 10. FIG. It is the partial schematic diagram which showed the assembly | attachment procedure of the fan 121 and the motor 122 in the middle of development of this invention.

Explanation of symbols

10 ... Air-conditioning case 12 ... Fan & motor 14b ... Outside air inlet (suction inlet)
14c ... Inside air suction port (suction port)
DESCRIPTION OF SYMBOLS 103 ... Motor holding part 104 ... Opening hole 121 ... Fan 122 ... Fan motor 124 ... Connection part 125 ... Flange case H ... Retraction jig | tool

Claims (4)

An air-conditioning case (10) having a suction port (14b, 14c) at one end and an air outlet to the passenger compartment side at the other end to form an air passage;
A fan (121) for blowing air that is disposed in the air passage and generates an air flow from the suction port (14b, 14c) toward the blowout port;
In a vehicle air conditioner comprising a fan motor (122) for driving the fan (121),
A motor holding part (103) for accommodating the fan motor (122) inside the air conditioning case (10), and an opening hole (104) on the outer side of the motor holding part (103),
A method for manufacturing a vehicle air conditioner, wherein the fan motor (122) is pulled into the motor holding portion (103) and assembled from the outside of the opening hole (104). An air-conditioning case (10) having a suction port (14b, 14c) at one end and an air outlet to the passenger compartment side at the other end to form an air passage;
A fan (121) for blowing air that is disposed in the air passage and generates an air flow from the suction port (14b, 14c) toward the blowout port;
A fan motor (122) for driving the fan (121);
A vehicle air conditioner including a flange case (125) that holds the fan motor (122) and is fitted and fixed to the air conditioning case (10).
A motor holding part (103) for accommodating the fan motor (122) inside the flange case (125), and an opening hole (104) formed on the outer side of the motor holding part (103),
A method for manufacturing a vehicle air conditioner, wherein the fan motor (122) is pulled into the motor holding portion (103) and assembled from the outside of the opening hole (104). A connecting portion (124) is provided at a substantially central portion opposite to the fan drive side of the fan motor (122), and a pulling jig (H) is connected to the connecting portion (124) to perform the pulling. The manufacturing method of the vehicle air conditioner of Claim 1 or Claim 2 characterized by the above-mentioned. The fan (121) and the fan motor (122) are combined to form a fan & motor (12), and then the fan & motor (12) is pulled into the air conditioning case (10) or the flange case (125). The method for manufacturing a vehicle air conditioner according to any one of claims 1 to 3, wherein the vehicle air conditioner is assembled.

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