JP2007196847A - Air conditioner for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner for an automobile capable of more simply performing removing work of a blower unit by detaching the blower unit in the vehicle width direction with respect to the air conditioner unit. <P>SOLUTION: A vehicle width direction detaching means 30 wherein the blower unit 3 is detachably installed from one direction of the vehicle width direction on the upper side of the air conditioner unit 2 is provided between the air conditioner unit 2 and the blower unit 3. Therefore, even if a combined body of the air conditioner unit 2 and the blower unit 3 has a structure installed on the central part in the width direction in a space between an instrument panel and a dash panel 19, a glove box provided on a front passenger seat side of the instrument panel is removed at the time of maintenance of the blower unit 3, and the blower unit 3 can be moved and removed in the vehicle width direction by inserting a hand from the opening part for mounting. The maintenance cost of the blower unit 3 can be inexpensive by reducing a working man-hour and working time thereby. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an air conditioner mounted on an automobile, and more particularly to an automobile air conditioner in which an air conditioning unit and a blower unit are detachably combined.

  An air conditioner mounted on an automobile is adapted to blow the air sent from the blower unit into the passenger compartment by adjusting the temperature of the air by the air conditioning unit. The blower unit and the air conditioning unit are arranged on the upper side. Are combined and installed in the center in the vehicle width direction in the space between the dash panel and the instrument panel.

  The air conditioning unit incorporates temperature control components that adjust the temperature of the conditioned air, such as an evaporator, a heater core, and an air mix door, and adjusts the temperature of the outside air or the inside air supplied from the blower unit.

On the other hand, the blower unit is configured by housing a blower fan driven by a motor in a scroll casing (a spiral housing) as disclosed in Patent Document 1, and guides the wind generated by the rotation of the blower fan with the scroll casing. However, it supplies to the said air-conditioning unit. In this case, the blower unit is a twin fan type provided with two motors.
JP-A-5-319073 (page 3, FIG. 1)

  However, when the air conditioner for a conventional automobile has a center layout in which the combined body of the air conditioning unit and the blower unit is installed at the center in the vehicle width direction as described above, It is a common technique to remove the instrument panel from the room side and separate the blower unit from the air conditioning unit.

  In this case, there are various instruments such as navigation and audio in the center of the instrument panel in the vehicle width direction, and it is necessary to remove the entire instrument panel including these instruments. The removal of the instrument panel and instruments is complicated. For this reason, work man-hours and work time are increased, and the maintenance cost of the blower unit is increased.

  Then, an object of this invention is to provide the air conditioning apparatus for motor vehicles which removed the ventilation unit more easily by attaching or detaching a ventilation unit with respect to an air-conditioning unit.

  The present invention is mounted on an automobile with an air conditioning unit that incorporates a temperature control component that adjusts the temperature of conditioned air, and a blower unit that is installed above the air conditioning unit and supplies outside air or inside air to the air conditioning unit. The air conditioner is characterized in that a vehicle width direction attaching / detaching means is provided between the air conditioning unit and the air blowing unit so that the air blowing unit is detachably installed on the upper side of the air conditioning unit from one direction in the vehicle width direction.

  According to the present invention, since the vehicle width direction attaching / detaching means is provided, the air blowing unit can be attached to and detached from the air conditioning unit from one direction in the vehicle width direction. When removing the air blowing unit from the air conditioning unit, remove the glove box provided on the passenger seat side of the instrument panel and insert the hand through the mounting opening of the glove box. Can be removed by moving in the vehicle width direction.

  Therefore, it is possible to remove the blower unit by removing only the glove box without removing the entire instrument panel and various instruments, which can reduce work man-hours and work hours, thus reducing the maintenance cost of the blower unit. Can fit. Of course, even when the blower unit is assembled, the blower unit can be attached to the air conditioning unit through the reverse work procedure from the attachment opening of the glove box.

  Hereinafter, an embodiment of an air conditioner for automobiles according to the present invention will be described based on the drawings.

  1 to 8 show an embodiment of the present invention, FIG. 1 is a front view of an air conditioner for an automobile, FIG. 2 is a side view of an essential part of the air conditioner for an automobile, and FIG. FIG. 4 is a cross-sectional view taken along line AA in FIG. 2, and FIG. 5 is an exploded perspective view of portion B in FIG.

  FIG. 6 is a front view showing the air blower unit being removed, FIG. 7 is a front view showing the air blower unit being removed, and FIG. 8 shows a procedure for disassembling the air blower unit from the mounting opening of the glove box. It is a perspective view which shows order in (e) later.

  As shown in FIG. 1, an automotive air conditioner 1 according to this embodiment includes an air conditioning unit 2 that includes a temperature control component that adjusts the temperature of conditioned air, and an air conditioner unit 2 that is connected upstream of the air conditioning unit 2. Or it is provided with the ventilation unit 3 which supplies internal air, and the ducts 51 and 52 (refer FIG. 8) which are connected to the downstream of the air-conditioning unit 2, and guide the conditioned air temperature-controlled by the air-conditioning unit 2 toward a vehicle interior. Is done.

  As is generally known, the temperature control component built in the air conditioning unit 2 includes an evaporator, a heater core, an air mix door, and the like. The air conditioning door opening degree is defined by the cooling air that has passed through the evaporator and the heating air that has passed through the heater core. In accordance with the above, mixing is performed to produce a desired temperature, which is blown out into the passenger compartment through the ducts 51 and 52.

  The air blowing unit 3 is disposed on the upper side of the air conditioning unit 2. The blower unit 3 is configured as a twin fan type in which two blower fans 10 and 10a are arranged in parallel in the rotation axis direction, and the two blower fans 10 and 10a protrude from both sides of the blower motor 11 disposed between them. While being attached to the rotating shafts 12 and 12a, scroll casings 13 and 13a are provided so as to surround the outer sides of the respective blower fans 10 and 10a.

  As shown in FIG. 2, the scroll casings 13 and 13a are formed in a cylindrical shape in which a gap formed between the blower fans 10 and 10a is gradually increased in one circumferential direction. The air introduced from the air inlets 14, 14 a is pressurized by the blower fans 10, 10 a and collected in one circumferential direction of the scroll casings 13, 13 a, and the air conditioning unit 15 through the air outlet 15 formed at the lower end of the air blower unit 3. 2 is supplied.

  The air blowing port 15 is opened in a substantially rectangular shape at substantially the entire lower end of the air blowing unit 3, and the lower ends of the two scroll casings 13 and 13 a are communicated with the air blowing port 15, respectively. As shown in FIG. 3, the air conditioning unit 2 communicates with the opening 16 formed at the upper end. Of course, the blowing port 15 and the opening 16 have the same shape.

  The inlets 14 and 14a of the scroll casings 13 and 13a are respectively provided with inside / outside air introduction chambers 17 and 17a, and are selectively switched by a switching door provided in the inside / outside air introduction chambers 17 and 17a. The inside air or the outside air is sucked into the blower fans 10 and 10a.

  The air conditioning unit 2 and the blower unit 3 are combined with each other, the rotation shafts of the blower fans 10 and 10a are arranged in the vehicle width direction, and the combined air conditioning unit 2 and blower unit 3 are shown in FIG. As shown to a), it mounts in the vehicle width direction center part in the space between the instrument panel and dash panel 19 of a vehicle compartment front part.

  At this time, FIG. 8 shows a state seen through the instrument panel from the vehicle interior side. A glove box 21 is provided on the passenger seat side (right side in the figure), and below the air conditioning unit 2. A floor tunnel portion 22 runs in the vehicle front-rear direction, and a steering member 23 is provided in the vehicle width direction above the air conditioning unit 2 inside the instrument panel.

  Here, in the present embodiment, the vehicle width direction attaching / detaching means 30 for detachably installing the air blowing unit 3 from one direction in the vehicle width direction to the upper side of the air conditioning unit 2 between the air conditioning unit 2 and the air blowing unit 3. Is provided.

  The vehicle width direction attaching / detaching means 30 is provided with a slide means 31 for installing the air blowing unit 3 in the air conditioning unit 2 so as to freely slide in the vehicle width direction.

  The slide means 31 includes a pair of front and rear rails 32 formed on both front and rear edges of the opening 16 of the air conditioning unit 2 as shown in FIG. 3 and extending in the vehicle width direction, and the air blower as shown in FIG. A pair of front and rear sliders 33 formed on the front and rear side edges of the air blowing port 15 formed at the lower end of the unit 3 and extending in the vehicle width direction, with the slider 33 mounted on the rail 32 The blower unit 3 can slide on the upper side of the air conditioning unit 2 in the vehicle width direction.

  Further, as shown in FIGS. 1 and 3, the vehicle width direction attaching / detaching means 30 includes a mounting direction rear side (left side in FIG. 1) and a mounting direction front side (FIG. 1) between the air conditioning unit 2 and the air blowing unit 3. The rear side stopper 34 and the front side stopper 35 are provided respectively on the middle right side) and come into contact with each other at the attachment end point position in the vehicle width direction of the blower unit 3, and are air-conditioned with the blower unit 3 on the front side in the attachment direction of the blower unit 3 An attachment bolt 36 as a fixing means for detachably attaching the unit 2 is provided.

  As shown in FIG. 4, the back side stopper 34 is formed on the back side regulating surface 34 </ b> A formed on the wall surface 2 a erected from the back side in the mounting direction of the air conditioning unit 2 and the back side rear surface 3 a of the blower unit 3. And a back side contact surface 34B that contacts the back side regulation surface 34A.

  As shown in FIG. 3, the rear side regulation surface 34 </ b> A includes a parallel stopper portion 34 </ b> Aa extending in the vehicle front-rear direction with a low height h <b> 1 from the rail 32 on one side, and a rail 32 on the opposite side from a substantially central portion between the pair of rails 32. The rear abutting surface 34B is formed of a parallel stopper 34Aa and a mountain stopper 34Ab. It is formed in the shape along.

  On the other hand, the front side stopper 35 is formed on the front side regulating surface 35A formed on the front side front surface 2b of the air conditioning unit 2 and on the back side of the wall surface 3b extending the front side of the blower unit 3 downward. It is comprised by the near side contact surface 35B which contact | abuts to the side regulation surface 35A.

  The front-side regulating surface 35A is formed in the vehicle front-rear direction with a depth of h3 on the front-side front surface 2b of the air conditioning unit 2 continuously from the front side of the rail 32, while the front-side contact surface 35B is It is formed in a shape along the front side regulating surface 35A. At this time, the front side front surface 2b of the air conditioning unit 2 is continuously opened from the opening 16 by cutting away a portion corresponding to the inside of the front side regulation surface 35A.

  The rail 32, the back side regulating surface 34A and the near side regulating surface 35A formed in the air conditioning unit 2 are continuously formed so as to go around the periphery of the opening 16, and as shown in FIG. A concave groove 37 is continuously formed on the upper surface of the upper surface and the abutting surfaces (the right side surface in the drawing) of the rear side regulation surface 34A and the front side regulation surface 35A.

  Further, the slider 33, the back side contact surface 34B, and the front side contact surface 35B formed in the blower unit 3 are continuously formed around the periphery of the blower port 15, and the bottom surface of the slider 33 and the back side On the abutting surface (the left side surface in the drawing) of the abutting surface 34B and the near-side abutting surface 35B, a protrusion 38 that is continuously fitted in the concave groove 37 is formed.

  Accordingly, when the air blowing unit 3 slides in the vehicle width direction with respect to the air conditioning unit 2, the sliding means 31 is fitted with the protrusion 38 of the slider 33 in the concave groove 37 of the rail 32 so that the displacement in the vehicle longitudinal direction. Is to be prevented.

  Further, when the blower unit 3 is slid in the vehicle width direction and attached to the air conditioning unit 2, the rear side regulation surface 34A and the rear side contact surface 34B come into contact with each other, and the front side regulation surface 35A and the front side contact with the front side contact surface. The surface 35B comes into contact, but the protrusions 38 of the contact surfaces 34B and 35B are fitted into the concave grooves 37 of the regulation surfaces 34A and 35A, and the protrusions 38 of the slider 33 are inserted into the concave grooves 37 of the rail 32. Coupled with the fitting, the airtightness between the air blowing port 15 and the opening 16 is enhanced.

  Further, as shown in FIG. 1, the mounting bolt 36 is inserted into a mounting flange 3c extending downward from the wall surface 3b extending below the blower unit 3, and the screw portion thereof is air-conditioned. The unit 2 is screwed into a seating surface 2c projecting from the front side front surface 2b of the unit 2, and its mounting bolt 36 can be attached and detached from the front side of the blowing unit 3 in the mounting direction.

  In this embodiment, as shown in FIGS. 1, 2, and 5, the vehicle width direction attaching / detaching means 30 has a locate pin disposed in the mounting direction of the blower unit 3 on the back side in the mounting direction of the blower unit 3. 40 and a locating hole 41 that fits into the locating pin 40 is provided on the back side in the mounting direction of the air conditioning unit 2.

  The locate pin 40 is provided at the lower end portion of the blower unit 3 so as to protrude to the rear side in the mounting direction, while the locate hole 41 is formed from the upper end portion of the air conditioning unit 2 corresponding to the position where the locate pin 40 is formed. The tip of the locating pin 40 is closely fitted to the locating hole 41 in the vicinity of the attachment end position of the blower unit 3 in the vehicle width direction.

  With the above configuration, according to the automotive air conditioner 1 of the present embodiment, the vehicle width direction attaching / detaching means 30 is provided so that the blower unit 3 is detachably installed on the upper side of the air conditioning unit 2 from one direction in the vehicle width direction. Therefore, when maintaining the blower unit 3, as shown in FIG. 8A, the combined body of the air conditioning unit 2 and the blower unit 3 is located in the center in the vehicle width direction in the space between the instrument panel and the dash panel. When the blower unit 3 is removed from the air conditioning unit 2, the glove box 21 provided on the passenger seat side of the instrument panel is removed, and the glove as shown in FIG. The blower unit 3 can be removed by moving in the vehicle width direction by inserting a hand from the attachment opening 21a of the box 21.

  That is, in order to remove the blower unit 3, first, as shown in FIG. 8C, the inside / outside air introduction chamber 17 (FIG. 1) on one side (the glove box 21 side) attached to the blower unit 3 from the mounting opening 21a. After that, the mounting bolt 36 (see FIGS. 1 and 6) is removed and the fixing of the blower unit 3 is released.

  Next, as shown in FIGS. 6 and 8 (d), the air blowing unit 3 is air-conditioned as shown in FIG. 7 while the air blowing unit 3 is slid in the vehicle width direction with respect to the air conditioning unit 2 via the sliding means 31. The air blower unit 3 separated from the unit 2 and separated as shown in FIG. 8 (e) can be taken out from the mounting opening 21a while being lowered.

  Therefore, it is possible to remove the blower unit 3 by removing only the glove box 21 without removing the entire instrument panel and various instruments, and this can reduce the work man-hours and work time. Can be stored at low cost. Of course, even when the blower unit 3 is assembled, the blower unit 3 can be attached to the air conditioning unit 2 from the attachment opening 21a of the glove box 21 through the reverse work procedure.

  Further, in this embodiment, in addition to the above-described effects, the vehicle width direction attaching / detaching means 30 is provided with the slide means 31 for freely installing the air blowing unit 3 in the air conditioning unit 2 in the vehicle width direction. 3 can be easily attached to and detached from the air conditioning unit 2.

  Further, the vehicle width direction attaching / detaching means 30 is a back side stopper that abuts each other at the attachment end point in the vehicle width direction of the blower unit 3 on the rear side in the attachment direction and the front side in the attachment direction between the air conditioning unit 2 and the blower unit 3. 34 and the front side stopper 35 are provided, and the blower unit 3 and the air conditioning unit 2 are detachably attached by the mounting bolts 36 on the front side in the mounting direction of the blower unit 3. Since it can be performed reliably and easily from one direction in the vehicle width direction, it is possible to easily remove and attach the blower unit 3 from the attachment opening 21a of the glove box 21 provided on one side in the vehicle width direction.

  Furthermore, the vehicle width direction attaching / detaching means 30 is fitted to the locating pin 40 arranged in the mounting direction of the air blowing unit 3 on the back side in the mounting direction of the air blowing unit 3 and the locating pin 40 on the back side in the mounting direction of the air conditioning unit 2. Since the locating hole 41 is provided, the attachment of the blower unit 3 can be accurately positioned, and the positioning of the blower opening 15 and the opening 16 can be accurately performed.

  In this case, the locate pin 40 can be provided on the air conditioning unit 2 side, and the locate hole 41 can be provided on the blower unit 3 side.

  By the way, the automobile air conditioner of the present invention has been described by taking the above embodiment as an example. However, the present invention is not limited to this embodiment, and various other embodiments can be adopted without departing from the gist of the present invention. For example, although the case where the glove box 21 is provided on the right side is illustrated, of course, even when the glove box 21 is provided on the left side, this is achieved by reversing the direction in which the blower unit 3 is removed from the embodiment.

  Moreover, although the air blower unit 3 demonstrated taking the case of the twin fan type which provided the two blower fans 10 and 10a as an example, this invention is applicable even if a blower fan is one single fan type.

The front view of the air conditioning apparatus for motor vehicles in one Embodiment of this invention. The principal part side view of the air conditioning apparatus for motor vehicles in one Embodiment of this invention. The principal part perspective view which shows the principal part of the vehicle width direction attachment / detachment means of the ventilation unit and air conditioning unit in one Embodiment of this invention. Sectional drawing along the AA line in FIG. The disassembled perspective view of the B section in FIG. The front view which shows the middle of removal of the ventilation unit in one Embodiment of this invention. The front view which shows the removal state of the ventilation unit in one Embodiment of this invention. The perspective view which shows the procedure which disassembles a ventilation unit from the attachment opening part of the glove box in one Embodiment of this invention later on in order to (a)-(e).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Automobile air conditioner 2 Air conditioning unit 3 Blower unit 30 Vehicle width direction attaching / detaching means 31 Slide means 34 Back side stopper 35 Front side stopper 36 Mounting bolt (fixing means)
40 Locating pin 41 Locating hole

Claims (4)

An air conditioning unit (2) having a temperature control component for adjusting the temperature of the conditioned air, and a blower unit (3) installed on the upper side of the air conditioning unit (2) for supplying outside air or inside air to the air conditioning unit (2) In an air conditioner mounted on a car with
Vehicle width direction attaching / detaching means (30) for detachably installing the air blowing unit (3) from one direction in the vehicle width direction above the air conditioning unit (2) between the air conditioning unit (2) and the air blowing unit (3). An air conditioner for automobiles characterized by comprising:   The vehicle width direction attaching / detaching means (30) is provided with slide means (31) for installing the blower unit (3) in the air conditioning unit (2) so as to freely slide in the vehicle width direction. Air conditioner for automobiles. The vehicle width direction attaching / detaching means (30)
Back side stoppers (which are provided on the rear side in the mounting direction and on the front side in the mounting direction between the air conditioning unit (2) and the blower unit (3), and abut on each other at the mounting end point in the vehicle width direction of the blower unit (3). 34) and the front side stopper (35);
A fixing means (36) for detachably attaching the air blowing unit (3) and the air conditioning unit (2) on the front side in the mounting direction of the air blowing unit (3);
The automobile air conditioner according to claim 1 or 2, further comprising: The vehicle width direction attaching / detaching means (30)
A locate pin (40) provided in one of the air conditioning unit (2) or the blower unit (3) and disposed in the mounting direction of the blower unit (3);
A locate hole (41) provided on the other of the air conditioning unit (2) or the air blowing unit (3) and fitted to the locate pin (40);
The automobile air conditioner according to any one of claims 1 to 3, further comprising:

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