JPH11254950A - Vehicle air-conditioning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the structure of a vehicle body while facilitating the attachment of a cooler duct. SOLUTION: In a vehicle in which an air-conditioning unit 8 having a cooler unit 5 is laid in the lower part of a pillar 9, and conditioning air delivered from the air-conditioning unit 8 is led into a roof side part 30 through a rise-up duct 29 laid along the pillar 9 and a side duct 31 laid along the roof side part 30, a coupling duct 36 is provided between the upper end part of the rise-up duct 29 and one end part of the side duct 31, and is provided with a side face protecting member 37 extending longitudinally of the vehicle body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for a vehicle configured to air-condition a rear portion of a passenger compartment by an air conditioning unit disposed on a side of a rear seat.

[0002]

2. Description of the Related Art Conventionally, as shown in, for example, Japanese Utility Model Laid-Open Publication No. Sho 63-26420, an air conditioning unit having an evaporator is provided at the rear of the vehicle cabin of a vehicle having two rows of front and rear rear seats behind a driver seat. The air-conditioning unit installed in the air-conditioning unit guides the cooling air led out of the air-conditioning unit to the upper side of the passenger compartment by an air-conditioning duct disposed in a pillar located at the rearmost position of the vehicle body. Is guided to the front side of the vehicle body along a roof side portion located in the vehicle interior, and is blown into a vehicle interior from an air outlet provided at a front end portion thereof, thereby cooling a rear portion of the vehicle interior.

[0003]

When the air-conditioning duct is provided in the pillar of the vehicle body as described above, the work of mounting the pillar on the vehicle body with the air-conditioning duct installed in the pillar is performed. However, there is a problem that the work of installing the pillar and the air conditioning duct becomes complicated.

In order to facilitate the installation of the air-conditioning duct, an air-conditioning duct may be installed along the inner wall surface of the pillar. The shape of the trim material or the like that covers the inner wall surface of the part must be changed according to the presence or absence of the air conditioning duct, and there is a problem that productivity of the trim material and the like is poor. That is, the shape and mounting structure of the trim material and the like must be changed between a vehicle equipped with a rear air-conditioning unit for performing air conditioning of the rear part of the vehicle compartment and a vehicle that does not need to be equipped with the rear air-conditioning unit. However, there is a problem that the vehicle body structure becomes complicated because it is not possible to achieve commonality.

The present invention has been made in view of the above circumstances, and provides an air conditioner for a vehicle in which the work of attaching a cooler duct can be easily performed while simplifying a vehicle body structure.

[0006]

The invention according to claim 1 is
An air conditioning unit having a cooler unit is provided below the pillar, and air conditioning air derived from the air conditioning unit is provided along a rising duct installed along the pillar and a roof side. In a vehicle configured to be guided to a roof side portion through a side duct, a connecting duct is provided between an upper end portion of the rising duct and one end portion of the side duct, and a vehicle body is provided on the connecting duct. Are provided with side protection members extending in the front-rear direction.

[0007] According to the above configuration, the air-conditioning air, which is the cooling air derived from the cooler unit of the air-conditioning unit disposed below the pillar, is guided to the roof side through the rising duct and the roof duct. Later
The air is blown into the passenger compartment to cool the rear portion of the passenger compartment, and the occupant is protected by the side surface protection member. By attaching the connection duct and the side surface protection member to the upper end of the pillar, the occupant is protected by the side surface protection member, and a trim material or the like is attached to the connection duct.

According to a second aspect of the present invention, in the vehicle air conditioner according to the first aspect, a side plate extending in the front-rear direction of the vehicle body along the roof side portion is provided on the side surface protection member, and the side plate protrudes from the outer surface side. And provided rib plates.

According to the above configuration, when the occupant's head comes into contact with the side plate of the side protection member at the time of a side collision of the vehicle or the like,
When the rib plate abuts on the roof side portion and is elastically deformed, the load acting on the occupant is effectively absorbed.

According to a third aspect of the present invention, in the vehicle air conditioner according to the first or second aspect, a side surface protection member is disposed below a side duct installed along a roof side portion. is there.

According to the above configuration, by installing the connecting duct at the upper end of the pillar, the side surface protection member can be properly installed along the roof side portion.

According to a fourth aspect of the present invention, in the vehicle air conditioner according to any one of the first to third aspects of the present invention, a vehicle has a vehicle width along a roof panel at a front end of a side duct installed along a roof side. A roof duct extending in the direction of the vehicle is provided, and an air outlet for air-conditioning air is provided in the roof duct at the center in the vehicle width direction.

[0013] According to the above configuration, the air-conditioning air including the cooling air led out of the cooler unit is guided to the upper side of the vehicle compartment through the rising duct and then to the front side of the vehicle body through the side duct. After being guided and further guided in the vehicle width direction along the lower surface of the roof panel through the roof duct, the air for air conditioning is blown out from an air outlet arranged at a central portion in the vehicle width direction, The rear part of the passenger compartment is efficiently cooled.

According to a fifth aspect of the present invention, in the vehicle air conditioner according to the fourth aspect, in a vehicle in which three rows of seats are arranged in the front-rear direction of the vehicle cabin, the first rear part of the second row from the front is provided. A roof duct is installed in an upper portion between the seat and the rearmost second rear seat, a first air outlet for blowing air-conditioning air toward the first rear seat side, and a second rear seat side. A second outlet for blowing air-conditioning air toward the roof duct is provided in the roof duct.

According to the above configuration, cooling air is supplied from the first and second air outlets formed in the center portion of the roof duct in the vehicle width direction to the intermediate portion of the first rear seat and the intermediate portion of the second rear seat. By being blown out, the rear part of the passenger compartment is efficiently cooled in a state where the air conditioning air composed of the cooling air is prevented from directly hitting the rear heads of the occupants seated on the first left and right rear seats. . At this time, the cooling air may be blown directly to the face of the occupant sitting in the second rear seat, but in this case, the occupant can be given a cool feeling positively, and Feeling can be improved.

According to a sixth aspect of the present invention, in the vehicle air conditioner according to any one of the first to fifth aspects, a rising duct is provided along a rearmost pillar and the rising duct is provided. An air conditioning unit is disposed between a lower portion and a wheel house of a rear wheel.

According to the above construction, the air conditioning unit is installed between the lower part of the pillar located at the rearmost position of the vehicle body and the wheel house of the rear wheel, so that the rear part is located in front of the wheel house of the rear wheel. Space for installing doors and the like is secured.

According to a seventh aspect of the present invention, in the vehicle air conditioner according to the sixth aspect, a sliding rear door is provided in front of an installation portion of the air conditioning unit.

According to the above configuration, the opening for installing the slide door having a large opening area is formed in front of the installation portion of the heater unit, and the rear seat can be easily boarded and dismounted via the opening. Become.

[0020] The invention according to claim 8 is an air conditioning unit,
A heater unit is provided together with a cooler unit, and a heater duct for guiding air-conditioning air derived from the heater unit to a central portion in a vehicle width direction is provided.

According to the above configuration, when heating the vehicle interior, the air conditioning air, which is composed of the heating air derived from the heater unit, is guided to the center in the vehicle width direction by the heater unit and blows out into the vehicle interior. As a result, the rear part of the vehicle compartment is effectively heated.

[0022]

FIG. 1 shows a front seat 1 comprising a driver's seat and a passenger seat, a first rear seat 2 of a separate type in which left and right seats located behind the front seat 1 are independent of each other, and a rear seat 1 located behind the front seat. 3 shows an embodiment of an air conditioner according to the present invention mounted on a vehicle consisting of a one-box car in which three rows of bench seat type second rear seats 3 are arranged in the vehicle interior in the front-rear direction. .

The air conditioner includes a heater unit 4 having a blower and a heater core, a cooler unit 5 having an evaporator and an air mixing member, and a heater duct for guiding air conditioning air comprising heating air derived from the heater unit 4. 6 and the cooler unit 5
And a cooler duct 7 for guiding air-conditioning air derived from the air-conditioning unit. The heater unit 4 and the cooler unit 5 are integrated to form an air-conditioning unit 8. The air conditioning unit 8 is located on the right side of the second rear seat 3 located at the rearmost position of the passenger compartment.
A sliding rear door 11 is disposed in front of a lower portion of a so-called D pillar 9 located at the rearmost portion of the vehicle body and a wheel house 10 of the right rear wheel.

As shown in FIGS. 2 and 3, the heater duct 6 includes a first duct 12 extending downward from the installation portion of the heater unit 4 and extending obliquely forward along the side wall of the vehicle body. A second duct 14 extending from the lower end of the first duct 12 to the center in the vehicle width direction along the upper surface of the floor panel 13, and a third duct extending from the end of the second duct 14 to the front side of the passenger compartment. And a duct 15.

In the third duct 15, a pair of branch portions 16, 16 symmetrically arranged along a center line CL passing through the center position in the vehicle width direction are provided in a front half portion. The branching portions 16 and 16 are connected to the second rear seat 3.
And a heating air outlet 17 is formed on the upper surface of the front end of the front end of the vehicle, and the heating air is blown upward from the floor at the rear of the vehicle compartment.

On the upper surface of the floor panel 13, as shown in FIGS. 4 and 5, felt, urethane foam,
A sound insulating material 18 made of polyethylene foam or glass wool or the like is provided, and a second duct 14 and a third duct 15 of the heater duct 6 are installed in cutouts formed in the sound insulating material 18. As a result, the second and third ducts 14 and 15 are buried in the sound insulating material 18, and a rug 19 made of a carpet or a mat is installed on the upper surface thereof, thereby forming a flat floor surface.

The second duct 14 of the heater duct 6 has a bulging portion 20 formed by recessing the first half of the bottom wall of the second duct 14 downward, and the floor panel 13 has the bulging portion 2 formed therein.
A recess 21 corresponding to 0 is formed. A cross member 22 extending in the vehicle width direction and a recess 23 having a predetermined width recessed downward are provided behind the installation portion of the second duct 14.
Are provided. The concave portion 23 is large enough to store the second rear seat 3 when the seed backs are folded on the seat bottom of the second rear seat 3 and operated to rotate and displace them rearward. The air conditioning unit 8 is laid out on the right side.

The second duct 1 of the heater duct 6
The fourth and third ducts 15 are provided with a plurality of reinforcing portions 24 for preventing the deformation. The reinforcing portion 24 is formed by recessing the upper wall portion and the bottom wall portion of the second duct 14 and the third duct 15 into the inside of the duct and joining the recessed ends to each other. The dimension in the duct width direction is formed smaller than the dimension in the duct length direction so as not to obstruct the flow of the heating air passing through the second duct 14 and the third duct 15.

As shown in FIGS. 5 and 6, a grill 26 having a plurality of reinforcing ribs 25 extending in the front-rear direction of the vehicle compartment is attached to the outlet of the heater duct 6. The grill 26 has a front end portion. A guide plate 27 for guiding the heating air obliquely upward toward the feet of the occupant seated on the second rear seat 3 is provided. A flange 28 is formed on the outer periphery of the grill 26 so as to be pressed against the upper surface of the rug 19, and the flange 28 locks the periphery of the grill installation hole formed in the rug 19 and conceals the grill. It is supposed to be.

The cooler duct 7 for guiding the cooling air derived from the cooler unit 5 has a structure as shown in FIG.
A rising duct 29 extending upward from the installation portion of the cooler unit 5 along the rearmost D pillar 9, and a side duct extending from the upper end of the rising duct 29 to the front side of the vehicle compartment along the roof side portion 30 of the vehicle body. 31 and a roof duct 33 extending from the front end of the side duct 31 along the lower surface of the roof panel 32 in the vehicle width direction. The roof duct 33 is located at the rear of the front seat 1 at the first rear part. It is arranged above the seat 2 and the second rear seat 3 located behind the seat 2.

As shown in FIG. 7, the rising duct 29 is installed along the inner wall surface of the D-pillar 9 located at the rearmost part of the vehicle body, and a trim member 34 disposed inside the vehicle interior. Is configured to cover the inner wall surface. At the front side of the inner wall surface of the D-pillar 9, a recessed step portion 35 recessed to the outside of the vehicle is formed. The rising duct 29 is mounted along with the recess 35 of the D-pillar 9 by a mounting tool.

As shown in FIGS. 8 and 9, between the upper end of the rising duct 29 and the rear end of the side duct 31, both ends are fitted into the rising duct 29 and the side duct 31, respectively. As a result, both ducts 29,
A connection duct 36 that connects the power supply 31 is provided. A side surface protection member 37 made of a plastic material or the like protrudes from a front side of the connection duct 36.

The side surface protection member 37 is provided on the side duct 3.
A side plate 38 having a predetermined width extending in the front-rear direction of the vehicle body along the bottom wall surface 1 and the inner wall surface of the roof side portion 30 of the vehicle body;
A bellows-like rib plate 39 protruding from the outer surface thereof,
When the occupant's head or the like comes into contact with the side plate 38 at the time of a side collision of the vehicle, the rib plate 39 is pressed against the roof side portion 30 of the vehicle body and is elastically deformed. It is configured to absorb the load acting on the occupant to protect the occupant.

As shown in FIG. 8, on the lower surface of the roof panel 32, a roof reinforcement 40 having a reverse hat shape extending in the vehicle width direction is mounted. The roof duct 33 has a flat cross-section including a first bulging portion 41 protruding forward and a second bulging portion 42 protruding rearward from the vehicle body member including the roof reinforcement 40. It has a shape, and a recessed portion 43 that is recessed downward corresponding to the roof reinforcement 40 is formed in the center on the upper wall surface.

On the bottom wall surface of the roof duct 33, as shown in FIG. 10, defroster outlets 44 are formed on both left and right sides in the vehicle width direction, respectively.
A mounting portion 45 for the vehicle body member is provided on the inner side. A pair of left and right first air outlets 46, 4 for the first rear seat 2 is provided on the bottom wall surface of the roof duct 33.
6 is formed on the bottom wall of the first bulging portion 41, and a pair of left and right second outlets 47, 4 for the second rear seat 3.
7 is formed on the bottom wall of the second bulging portion 41, and the first outlets 46, 46 and the second outlets 47, 47
Each is arranged symmetrically along a center line CL passing through the center position in the vehicle width direction.

The defroster outlet 44 shown in FIG.
As shown by an arrow a, the outside position for guiding the cooling air toward the side window 48 of the vehicle compartment, and as shown by the arrow b, the cooling air is guided toward the inside of the vehicle room. A grill 50 having a wind direction guide portion 49 for changing the wind direction between the inside and the inside position is provided. A flange 52 is formed on the outer periphery of the grill 50 so as to be pressed against the lower surface of the top sealing material 51.
Thereby, the periphery of the grill installation hole is locked and concealed.

The mounting portion 45 of the roof duct 33 is
As shown in FIG. 12, the bottom wall 53 of the roof duct 33 is formed by recessing outside the vehicle compartment, that is, on the upper side, and the recessed end 54 contacts the upper wall 55 of the roof duct 33. It is configured to be mounted on the lower surface of the roof reinforcement 40 by the mounting tool 56 in the contact state.

A first outlet 46 for the first rear seat 2
As shown in FIG. 13, is formed on an inclined wall 57 that rises forward and is provided on a bottom wall portion of the first bulging portion 41 protruding forward of the vehicle compartment, and is formed obliquely from the first air outlet 46. The cooling air is blown out toward the front side. The second outlet 47 for the second rear seat 3 is formed in a rearwardly inclined wall 58 provided on the bottom wall of the second bulging portion 42 protruding rearward of the passenger compartment. The cooling air is blown obliquely rearward from the outlet 47.

The first air outlets 46 for the first rear seat 2 are arranged at the center in the vehicle width direction as shown in FIG. 14, so that the left and right first air outlets 46 are formed as separate types. Cooling air is blown out between the rear seats 2 and 2. The cooling air blown out from the second blowout port 47 disposed on the rear side of the first blowout port 46 is blown to the central portion of the second rear seat 3 formed as a bench seat type. The first and second outlets 46 and 47 are provided with grills each having a wind direction guide for changing the blowing direction of the cooling air in the front-rear direction and the left-right direction of the vehicle compartment.

In the above configuration, when the heater unit 4 of the air conditioning unit 8 disposed at the rear of the vehicle compartment is operated, the heating air derived from the heater unit 4 causes the first to first air of the heater duct 6 to flow. 3 ducts 12, 1
By flowing through the inside of the second rear seat 3, the lower rear seat 3 is guided to the center in the vehicle width direction under the second rear seat 3, and is guided to the front side thereof. The air blows upward from the floor toward the foot F of the occupant seated on the vehicle 3 (see FIG. 1). As a result, the rear part of the vehicle interior that is away from the heating range of the air conditioning unit (not shown) provided in the front part of the vehicle interior is effectively heated.

When the cooler unit 5 of the air conditioning unit 8 is operated, the cooling air derived from the cooler unit 5 flows through the rising duct 29, the side duct 31, and the roof duct 33 of the cooler duct 7. Thereby, after being guided to the center part of the vehicle interior through the upper part between the first rear seat 2 and the second rear seat 3,
By blowing the air downward from the first and second air outlets 46 and 47, the rear part of the vehicle compartment is effectively cooled.

As described above, the air conditioning unit 8 having the cooler unit 5 is provided below the D pillar 9 located at the rearmost portion of the vehicle body, and the cooling air drawn out from the cooler unit 5 of the air conditioning unit 8 is provided. A configuration in which air for air conditioning is guided to the roof side part 30 through a rising duct 29 installed along the D pillar 9 and a side duct 31 installed along the roof side part 30. In the vehicle, the rising duct 29
A connecting duct 36 is provided between the upper end of the side duct 31 and one end of the side duct 31, and a side protecting member 37 extending in the front-rear direction of the vehicle body is provided in the connecting duct 36. The head and the like can be effectively protected, and the work of attaching the cooler duct can be easily performed as compared with the case where the cooler duct 7 including the rising duct 29 and the like is arranged in the pillar. Then, the cooling air derived from the cooler unit 5 is guided to the roof side part 30 through the rising duct 29 and the roof duct 31 and then blown out into the vehicle interior, whereby the rear part of the vehicle interior is effectively cooled. Will be done.

Even in a vehicle in which the air conditioning unit 8 is not mounted, the connection duct 36 and the side surface protection member 37 are attached to the upper end of the D pillar 9,
The side protection member 37 can effectively protect the occupant's head. By using the connecting duct 36 as a mounting portion for the trim material 34 and the top sealing material 51, the trim material 34 and the top sealing material 5 can be used regardless of the presence or absence of the air conditioning unit 8.
Since the shape of No. 1 can be used in common, mass production thereof is possible and manufacturing cost can be reduced.

In the above embodiment, the side surface protection member 3
7, a side plate 38 extending in the front-rear direction of the vehicle body along the roof side portion 30, and a rib plate 39 protruding from the outer surface side thereof.
When the head of the occupant comes into contact with the side plate 38 of the side protection member 37 at the time of a side collision of the vehicle, the rib plate 39 comes into contact with the roof side portion 30 and is elastically deformed. The load acting on the occupant can be absorbed to protect the occupant's head. In particular, on the outer surface of the side plate 38,
When a plurality of rib plates 39 extending in a bellows shape are protruded,
There is an advantage that the above load can be efficiently absorbed with a simple and lightweight structure.

Further, as shown in the above embodiment, since the side surface protection member 37 is provided below the side duct 31 provided along the roof side portion 30, the air conditioning unit 8 is provided below the D pillar 9. In the installed vehicle, the side duct 31 of the roof duct 7 is installed along the roof side portion 30, and the side surface protection member 37 is installed below the side duct 31. In a vehicle in which the air conditioning unit 8 is not mounted, the side surface protection member 37 is installed along the roof side portion 30.

Further, as shown in the above embodiment, a roof duct 33 extending in the vehicle width direction along a roof panel 32 is provided at a front end of a side duct 31 provided along a roof side portion 30. Roof duct 3
3, the first and second outlets 46, 4 are provided at the center in the vehicle width direction.
In the case where the air outlet 7 is formed, the air is blown out from this air outlet as in the case where the air outlet is provided near the cooler unit 5 disposed on the side of the vehicle compartment, that is, on the right side of the vehicle interior. A vehicle separated from the air-conditioning unit provided in the front of the vehicle compartment without causing a situation in which cooling air circulates in the vicinity of the cooler unit 5 and only a part of the rear compartment is cooled. The rear part of the room can be uniformly cooled over a wide area. In particular, the air-conditioning unit 8 disposed at the rear of the vehicle compartment is often of an internal air circulation type in which the heating air is likely to circulate in a part of the vehicle interior, as compared with the external air introduction type. The effect of adopting the above configuration is remarkable.

Further, in the above-described embodiment, in a vehicle in which three rows of seats 1 to 3 are arranged in the front-rear direction of the vehicle cabin, the first rear seat 2 in the second row from the front and the rear second rear seat 2 are arranged. While installing the roof duct 33 in the upper part between the seat 3 and
A first outlet 46 for blowing air-conditioning air toward the first rear seat 2 side and a second outlet 47 for blowing air-conditioning air toward the second rear seat 3 side are provided at the center in the vehicle width direction. Is provided in the roof duct 33 portion, and the air for cooling is blown out from the first and second air outlets 46 and 47 toward the center of the first rear seat 2 and the second rear seat 3 to thereby provide the heating. In the state where the bias of the cooling due to the circulation of the air for use is reliably prevented, the vicinity of the occupant seated on the first and second rear seats 2 and 3 can be efficiently cooled.

In particular, as shown in the above embodiment, when the first rear seat 2 in the second row from the front is of a separate type in which the left and right seats are independent, the front seat 1 and the first rear seat 1 The second rear seat 3 can be easily moved from the second rear seat 3, and the first rear seats arranged right and left from the first air outlet 46 formed in the roof duct 33 at the center in the vehicle width direction. By blowing the air for cooling in the middle of the rear of the vehicle, the air conditioning feeling caused by the direct contact of the air for cooling with the back of the occupant seated on the left and right first rear seats 2 is prevented, and the rear of the vehicle interior is prevented. Can be efficiently cooled.

In the above embodiment, the rising duct 29 is provided along the D pillar 9 located at the rearmost position, and the lower duct of the D pillar 9 and the wheel house 10 of the rear wheel are provided between the rising duct 29 and the rear pillar. Since the air-conditioning unit 8 is provided, the cooling air led out from the cooler unit 5 is supplied to the air-conditioning unit 8 while securing a sufficient space for installing the rear door 11 in front of the air-conditioning unit 8 having the cooler unit 5. By guiding the vehicle upward through the cooler duct 7 and blowing the air into the passenger compartment, the rear part of the passenger compartment can be efficiently cooled without deteriorating the occupant's visibility.

That is, the rearmost D-pillar 9 located at the rearmost part of the vehicle body has a wide view (dimension in the front-rear direction) even in the case where the width dimension (dimension in the front-rear direction) is large. There is no significant adverse effect. Therefore, by increasing the width dimension of the cooler duct 7 provided along the D pillar 9 together with the D pillar 9, the opening area of the cooler duct 7 can be sufficiently secured without adversely affecting the occupant's visibility. The flow resistance of the air for use can be reduced, and the strength of the D pillar 9 can be improved to improve the sense of stability of the vehicle body. In the above-described embodiment, an example is described in which the present invention is applied to a vehicle in which three rows of seats 1 to 3 are arranged in the front-rear direction of the vehicle compartment. However, the present invention is not limited to this. The configuration of the present invention can also be applied to a vehicle in which rear seats are arranged.

Further, as shown in the above embodiment, a sliding rear door 1 is provided in front of the installation portion of the air conditioning unit 8 having the heater unit 4 and the cooler unit 5.
In the case where 1 is provided, a larger open area can be secured as compared with a hinged door, so that it is possible to easily get on and off the rear seats 2 and 3.

In the above embodiment, the roof duct 3
The defroster outlet 44 that blows cooling air toward the side window 48 is formed on both left and right sides in the vehicle width direction, so that the cooling air blown out from the defroster outlet 44 makes the side window 48 cloudy. Can be effectively removed. In particular, as shown in the above embodiment, an outer position for guiding the cooling air toward the side window 48 of the passenger compartment and an inner position for guiding the cooling air toward the inner side of the passenger compartment. When a grill 50 having a wind direction guide portion 49 for changing the wind direction between the defroster outlets 44 is attached to the defroster outlet 44, the direction of the cooling air blown out from the defroster outlets 44 is directed toward the inside of the passenger compartment. Thus, it is possible to switch between a state where importance is placed on the cooling performance in the vehicle compartment and a state where importance is attached to the fogging by directing the blowing direction to the side window 48 as necessary.

Further, in the above embodiment, in a vehicle in which a plurality of rows of seats 1 to 3 are arranged in the front-rear direction of the passenger compartment, the cooler unit 5 is provided alongside the second rear seat 3 located at the rearmost side. Since the heater unit 4 is provided and the heater duct 6 for guiding the air for air conditioning, which is the heating air derived from the heater unit 4, to the center in the vehicle width direction, the types of vehicles that can be mounted are limited. The rear part of the cabin of a one-box car or the like can be efficiently heated without causing any problem.

That is, since the heater unit 4 is disposed beside the second rear seat 3, the heater unit 4
In front of the vehicle, that is, at the side of the first rear seat 2 located at the center in the front-rear direction of the vehicle compartment, it is possible to secure a space for installing the rear door 11. Therefore, not only a vehicle in which the rear door is disposed only on one side of the vehicle body but also a vehicle in which the rear door 11 is disposed on both right and left sides of the vehicle body, the air conditioner having the heater unit 4 and the heater duct 6 is provided. By mounting the device, the rear part of the vehicle interior can be effectively heated.

In the above-described embodiment, the heater duct 6 is installed below the rear seat 3 located at the rearmost position of the vehicle compartment, and the air outlet 17 for blowing the heating air upward from the floor in the vehicle compartment. Is formed in the heater duct 6, the opening area of the heater duct 6 can be sufficiently secured without affecting the space of the trunk room disposed behind the rear seat 3.
Therefore, the heating air derived from the heater unit 4 can be supplied smoothly through the heater duct 6, and the floor of the trunk room can be formed on a flat surface to improve the utilization efficiency. .

Further, since the heating air is blown upward from the air outlet 17 of the heater duct 6 located at the center in the vehicle width direction, the heater disposed at the side of the vehicle compartment. The heating air blown out of the heater unit 4 circulates in the vicinity of the heater unit 4 as in the case where an air outlet is provided in the vicinity of the unit 4, that is, in the right side of the vehicle compartment, and a part of the rear compartment. It is possible to uniformly heat the rear part of the vehicle compartment far from the heating range by the air conditioning unit provided in the front part of the vehicle compartment without causing a situation in which only the air conditioner is heated.

In the above embodiment, the first duct 12 extends downward from the installation portion of the heater unit 4 along the side wall of the vehicle body, and the lower end of the first duct 12 extends along the upper surface of the floor panel 13 of the vehicle body. A heater duct 6 is constituted by a second duct 14 extending to a central portion in the vehicle width direction and a third duct 15 extending from the front end of the second duct 14 to the front side of the vehicle compartment. Since the heater air outlet 17 is provided in the rear seat 2 and the heater duct, the heater duct is provided along the upper surface and the front surface of the rear wheel house 10, as in the case where the heater duct is provided.
The heating air can be supplied to an appropriate position in the rear part of the vehicle cabin via the heater duct 6 without causing an obstacle to getting on and off the vehicle 3.

Further, as shown in the above embodiment, the third
A pair of branches 16, 16 arranged symmetrically along the center line CL are provided at the front of the duct 15, and a heating air outlet 17 is provided at the tip of the branches 16, 16. In this case, while the opening area of the third duct 15 is sufficiently ensured, the heating air is evenly distributed to the left and right in the vehicle width direction by the branch portions 16, 16.
By blowing out into the vehicle interior, a wide area at the rear of the vehicle interior can be efficiently heated. In addition, there is an advantage that a fixture for a child seat or the like can be provided between the two warm-up units 16 and 16.

In the above embodiment, the floor panel 1
3 and the heater duct 6 is buried in the sound insulating material 18. By installing the rug 19 above the heater duct 6 and the sound insulating material 18, the installation space for the heater duct 6 is reduced. The bottom surface in the vehicle cabin can be formed flat while securing. Therefore, when the second rear seat 3 is detached and the installation part of the heater duct 6 is used as a trunk room, it is possible to effectively improve luggage storage.

Further, in a vehicle in which a plurality of rows of seats 1 to 3 are arranged in the front-rear direction of the passenger compartment as described above, a second rear seat displaced rearward is provided on a floor panel 13 located at the rear of the passenger compartment. 3 is formed, and the air-conditioning unit 8 is disposed beside the recess 23, so that the second rear seat 3 is displaced rearward and
The air-conditioning unit 8 can be installed at the rear of the vehicle compartment without causing any trouble in the operation of storing the air-conditioning unit 3 inside.

[0061]

As described above, according to the present invention, an air-conditioning unit having a cooler unit is provided below a pillar, and air-conditioning air derived from the air-conditioning unit is supplied along the pillar. An upper end portion of the rising duct and one end portion of the side duct in a vehicle configured to guide to the roof side portion via an installed rising duct and a side duct installed along the roof side portion. A connecting duct is provided between
The connecting duct is provided with side protection members extending in the front-rear direction of the vehicle body, so that the side protection members can effectively protect the occupant's head and the like, and the cooler duct including the rising duct and the like is disposed in the pillar. The work of attaching the cooler duct can be performed more easily than in the case where it is provided.

Then, the cooling air derived from the cooler unit is guided to the roof side portion through the rising duct and the roof duct, and is then blown out into the vehicle compartment, thereby effectively cooling the rear portion of the vehicle compartment. Can be. Further, by using the connection duct attached to the upper end of the pillar as an attachment portion for the trim material, the shape of the trim material can be shared regardless of the presence or absence of the air conditioning unit. There is an advantage that the manufacturing cost can be reduced by making it possible.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an embodiment of a vehicle air conditioner according to the present invention.

FIG. 2 is a perspective view showing a configuration of a heater unit and a heater duct.

FIG. 3 is a plan view showing a configuration of a heater unit and a heater duct.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a plan view showing a configuration of a grill attached to an outlet of a heater duct.

FIG. 7 is a cross-sectional view showing an installation state of a cooler duct.

FIG. 8 is a side view showing an installation state of a cooler duct.

FIG. 9 is a sectional view taken along the line CC of FIG. 8;

FIG. 10 is a bottom view showing the structure of the roof duct.

FIG. 11 is a sectional view taken along line DD of FIG. 10;

FIG. 12 is a sectional view taken along line EE of FIG. 10;

FIG. 13 is a sectional view taken along line FF of FIG. 10;

FIG. 14 is a front view showing an installation state of a roof duct.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front seat 2 1st rear seat 3 2nd rear seat 4 Heater unit 5 Cooler unit 6 Heater duct 7 Cooler duct 8 Air conditioning unit 9 D pillar (the pillar located at the back) 10 Rear wheel house 11 Rear door 16 Branch 17 Air outlet for heating 37 Side protection member 38 Side plate 39 Rib plate 44 Defroster outlet 46 First outlet 47 Second outlet

Claims (8)

[Claims] An air-conditioning unit having a cooler unit is provided below a pillar, and air-conditioning air derived from the air-conditioning unit is supplied to a rising duct installed along the pillar and a roof side part. In a vehicle configured to guide to the roof side portion via a side duct installed along, a connection duct is provided between an upper end portion of the rising duct and one end portion of the side duct, An air conditioner for a vehicle, wherein a side surface protection member extending in the front-rear direction of the vehicle body is provided in the connection duct. 2. The vehicle according to claim 1, wherein the side surface protection member includes a side plate extending in the front-rear direction of the vehicle body along the roof side portion, and a rib plate protruding from an outer surface of the side plate. Vehicle air conditioner. 3. The vehicle air conditioner according to claim 1, wherein a side surface protection member is disposed below a side duct installed along the roof side portion. 4. A roof duct extending along a roof panel in a vehicle width direction is provided at a front end of a side duct installed along a roof side portion, and air conditioning is provided on the roof duct portion at a central portion in the vehicle width direction. The air conditioner for a vehicle according to any one of claims 1 to 3, wherein an air outlet for use air is provided. 5. A vehicle in which three rows of seats are arranged in the front-rear direction of a vehicle cabin, and a roof is provided above a first rear seat in a second row from the front and a second rear seat in the rear. A first outlet for blowing air conditioning air toward the first rear seat side and a second outlet for blowing air conditioning air toward the second rear seat side are provided in the roof duct while installing a duct. The vehicle air conditioner according to claim 4, wherein: 6. The air conditioner according to claim 6, wherein a rising duct is provided along a pillar located rearmost, and an air conditioning unit is provided between a lower portion of the pillar and a wheel house of a rear wheel. An air conditioner for a vehicle according to any one of claims 1 to 5. 7. The vehicle air conditioner according to claim 6, wherein a slide-type rear door is provided in front of the installation part of the air conditioning unit. 8. The air-conditioning unit further comprises a heater unit together with the cooler unit, and a heater duct for guiding air-conditioning air derived from the heater unit to a central portion in the vehicle width direction. Item 1
An air conditioner for a vehicle according to any one of claims 7 to 10.