JP2010000862A - Auxiliary machine arrangement structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular auxiliary machine arrangement structure capable of achieving both the rear shift layout of a power train and the arrangement of a vehicular auxiliary machine, while making vertical direction in the vehicle front part compact. <P>SOLUTION: The structure is provided with a dash panel 3 that separates a cabin 2 from an engine room 1. The dash panel 3 is formed with a mid-dash recessed portion 3A, recessed rearward of the vehicle, and dash side portions extending from the mid-dash recessed portion 3A toward both vehicle width directions of the vehicle. The dash panel 3 is equipped with front side frames 20 extending frontward from the dash side portions, and arranged with a vehicular auxiliary machine in either vehicle width direction of the dash side portions. At least a part of the vehicle auxiliary machine 60 is arranged to vertically overlap with the front side frame 20. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is provided with a dash panel for partitioning a vehicle compartment and an engine room in the vehicle front-rear direction, the dash panel being recessed toward the rear of the vehicle and provided with a power train unit for driving wheels. And a dash side portion extending on both sides in the vehicle width direction of the dash central recess, and a front side frame extending forward from the dash side portion.

  Conventionally, a power train (engine and transmission) as a heavy object is arranged near the center in the longitudinal direction of the vehicle to reduce the yaw moment of inertia, thereby improving the steering stability and the vehicle performance. There is a structure shown in FIG. In FIG. 12, the configuration when a rotary engine and transmission are used as the power train is indicated by a solid line, and the configuration when a reciprocating engine and transmission is used as the power train is indicated by a dotted line.

  The conventional structure shown in FIG. 12 is provided with dash panels 100A and 100B for partitioning the engine room and the vehicle compartment in the front-rear direction, and the center part is recessed toward the rear in the vehicle width direction center of the dash panels 100A and 100B. The rotary engine 102A or the rotary engine 102A that forms the power train in the dash center recesses 101A and 101B is formed by forming recesses 101A and 101B (dash center recesses) and providing dash side portions on both sides of the dash center recess in the vehicle width direction. A part of the rear side of the reciprocating engine 102B is disposed, and transmissions 104A and 104B are disposed below the tunnel portion 103, that is, outside the vehicle, and further in the vehicle width direction so as to be close to the recesses 101A and 101B. Is equipped with air conditioning units 105A and 105B as an example of an auxiliary unit for vehicles. It is intended.

In comparison between the solid line (rotary engine mounting form) and the dotted line (reciprocating engine mounting form) in FIG. 12, since the reciprocating engine 102B is larger than the rotary engine 102A, the recess 101B of the dash panel 100B is set to that when the rotary engine is mounted. On the other hand, the air conditioning unit 105B that is set further rearward and disposed at the center portion in the vehicle width direction is set to be smaller than the air conditioning unit 105A when the rotary engine is mounted.
With this configuration, it is possible to reduce the yaw moment of inertia, improve the steering stability, and improve the vehicle performance, regardless of whether the rotary engine 102A or the reciprocating engine 102B is mounted.

  However, further reduction of the yaw moment of inertia and further improvement of steering stability, etc. are demanded. In this case, it is conceivable to move the rotary engine 102A and the reciprocating engine 102B backward further, Since the engine interferes with the air conditioning units 105A and 105B, the backward movement (rear shift layout) is impossible.

Patent Document 1 discloses a structure that is substantially the same as the configuration when the rotary engine 102A of FIG. 12 is mounted.
On the other hand, Patent Document 2 and Patent Document 3 disclose an auxiliary device arrangement structure in which an air conditioning unit for air-conditioning the vehicle interior is arranged at the rear of the vehicle compartment in order to achieve further backward arrangement of the power train. However, since the passenger compartment or the luggage compartment becomes narrow corresponding to the space occupied by the air conditioning unit, there is a problem that is not practical.

By the way, because of the design and aerodynamic characteristics of the vehicle, it is required to make the front part compact, and both the rear shift layout of the powertrain and the vertical downsizing of the front part of the vehicle are required. Yes.
JP 2003-326981 A JP 2005-28911 A JP 2005-29057 A

  Therefore, the present invention provides a vehicle having a dash side portion extending on both sides in the vehicle width direction of the dash center recess, and provided with a front side frame extending forward from the dash side portion. While arranging a vehicle accessory on one side, and arranging at least a part of the vehicle accessory overlapping the front side frame in the vertical direction, the vertical direction of the front portion of the vehicle is made compact. An object of the present invention is to provide a vehicle accessory arrangement structure that can achieve both a rear shift layout of a power train and an arrangement of a vehicle auxiliary machine.

A vehicle accessory arrangement structure according to the present invention is provided with a dash panel that partitions a vehicle compartment and an engine room in the vehicle front-rear direction, and the dash panel is recessed toward the rear of the vehicle and drives a wheel. In a vehicle provided with a front side frame that is formed from a dash center recessed portion in which is disposed, and a dash side portion extending on both sides in the vehicle width direction of the dash center recessed portion, and extending forward from the dash side portion, A vehicle accessory is disposed on one side of the dash side portion in the vehicle width direction, and at least a part of the vehicle accessory is disposed so as to overlap the front side frame in the vertical direction. .
According to the above configuration, since the vehicle accessory is arranged on one side of the dash side portion, a rear shift layout of the power train is possible, and the yaw moment of inertia is reduced to improve the steering stability. Can do.

In addition, since at least a part of the above-described vehicle accessory overlaps the front side frame in the vertical direction, the vertical direction of the front portion of the vehicle can be made compact.
In other words, there is a demand to make the front part of the vehicle compact due to the relationship between the vehicle design and aerodynamic characteristics, etc. However, if a vehicle auxiliary machine is disposed on the front side frame, the height of the bonnet becomes high. For this reason, by adopting the above-described overlap structure, it can be lowered and the vertical direction of the front portion of the vehicle can be made compact.
In short, it is possible to achieve both the rear shift layout of the power train and the arrangement of the vehicle auxiliary equipment while making the vertical direction of the front portion of the vehicle compact.

In one embodiment of the present invention, an opening is formed in the upper portion of the front side frame, and at least a part of the vehicle accessory is disposed in the opening.
According to the above configuration, the layout of the front side frame and the vehicle auxiliary machine can be secured while making the installation space of the front side frame and the vehicle auxiliary machine compact in the vehicle front-rear direction and the vehicle width direction. Downsizing in the vertical direction can be achieved.

In one embodiment of the present invention, the vehicle accessory is an air conditioning unit including a blower unit, and at least a part of the blower unit is disposed to overlap the front side frame in the vertical direction. Is.
According to the above configuration, when the air conditioning unit is disposed, the front portion of the vehicle can be made compact in the vertical direction while ensuring the air distribution performance of the air conditioning unit and the layout of the air conditioning unit. .

In one embodiment of the present invention, the one dash side portion is disposed offset forward from the other dash side portion.
According to the above configuration, since the vehicle accessory is disposed on the dash side portion that is offset forward, the power train has a reliable rear shift layout and the vehicle accessory while suppressing the influence on the passenger compartment. The yaw moment of inertia can be further reduced by the rear shift layout of the power train.
In addition, since the dash side portion on one side is offset forward from the dash side portion on the other side, heat damage and dust damage in the engine room are caused to the vehicle auxiliary equipment by this one dash side portion offset forward. Can be prevented.

In one embodiment of the present invention, the air conditioning unit includes a blower unit, a heat exchanger unit, and an air distribution unit, and the heat exchanger unit and the air distribution unit are arranged in front of and behind the blower unit. It is arranged in the direction.
According to the said structure, the air conditioning unit provided with the blower unit can be laid out appropriately, ensuring the air distribution efficiency of an air conditioning wind.

In one embodiment of the present invention, the one dash side portion is a divided dash side portion formed by dividing the dash central concave portion by a separate member.
According to the above configuration, the assembly of the vehicle accessory and the dash panel can be secured, and furthermore, the influence of the heat damage and dust damage of the engine room on the vehicle accessory can be prevented at the divided dash side portion. it can.

In one embodiment of the present invention, a driver's seat and a passenger's seat are juxtaposed in the vehicle width direction on the vehicle interior side behind the dash panel, and the vehicle accessory is installed on the dash side corresponding to the passenger's seat side. It is arranged.
According to the above configuration, since the vehicle auxiliary equipment is disposed on the passenger seat side, it is possible to achieve the layout in the passenger compartment, that is, the securing of the living space, the layout of the vehicle auxiliary equipment, and the layout in the engine room. it can.

  According to the present invention, in a vehicle provided with a dash side portion extending on both sides of the dash central recess in the vehicle width direction and provided with a front side frame extending forward from the dash side portion, any one of the dash side portions in the vehicle width direction is provided. While arranging the vehicle auxiliary equipment on one side and arranging at least a part of the vehicle auxiliary equipment to overlap with the front side frame in the vertical direction, the vertical direction of the front portion of the vehicle is made compact, There is an effect that it is possible to achieve both the rear shift layout of the power train and the arrangement of vehicle auxiliary equipment.

  A dash panel that partitions the vehicle compartment and the engine room in the vehicle front-rear direction for the purpose of making the rear shift layout of the power train and the arrangement of vehicle auxiliary equipment compatible while making the vertical direction of the vehicle front part compact is provided, The dash panel is formed of a dash center recess that is recessed toward the rear of the vehicle and in which a powertrain unit that drives the wheels is disposed, and a dash side that extends on both sides of the dash center recess in the vehicle width direction. In addition, in a vehicle provided with a front side frame extending forward from the dash side part, a vehicle auxiliary machine is disposed on either side of the dash side part in the vehicle width direction, and at least a part of the vehicle auxiliary machine is provided. Is realized by overlapping with the front side frame in the vertical direction.

An embodiment of the present invention will be described in detail with reference to the drawings.
The drawings show the auxiliary equipment arrangement structure of the vehicle. First, the overall structure of the vehicle will be described with reference to FIGS. 1 and 2 are side views of the vehicle, FIG. 3 is a plan view of the vehicle, and FIG. 4 is a front view of the vehicle.

  1 to 3, a dash lower panel (dash panel) 3 that partitions the engine room 1 and the vehicle compartment 2 in the front-rear direction is provided, and a lower portion of the dash lower panel 3 extends substantially horizontally toward the rear. The floor panel 5 forming the bottom surface of the base plate 2 is integrally or integrally connected. A rear part of the floor panel 5 is formed with a kick-up portion 6 that rises upward and a substantially horizontal rear seat pan 7. A rear floor 9 (floor panel) is connected to the pan 7 via a bulkhead 8. The rear floor 9 forms a bottom surface of a rear cargo room 48 described later.

  As shown in FIG. 3, the dash lower panel 3 that partitions the vehicle compartment 2 and the engine room 1 in the front-rear direction of the vehicle includes a dash central recess 3 </ b> A that is recessed toward the rear of the vehicle at the center in the vehicle width direction. And dash side portions 3B, 4 extending on both sides in the vehicle width direction of the dash center recess 3A, and one of the left and right dash side portions 3B, 4 in the vehicle width direction (this embodiment will be described later in the passenger seat) The right side corresponding to the 57 side) is formed as a divided dash side portion 4 formed separately from the dash center recess 3A, and the divided dash side portion 4 is more than the other dash side portion 3B. It is disposed offset to the front of the vehicle. Here, the other dash side portion 3B described above corresponds to a general surface of a so-called dash lower panel.

  As shown in a plan view in FIG. 3, a tunnel portion 10 that protrudes upward into the passenger compartment 2 and extends in the front-rear direction of the vehicle is provided at the center of the floor panel 5 in the vehicle width direction. . The tunnel portion 10 extends between the dash lower panel 3 and the bulkhead 8 in the vehicle front-rear direction, and the tunnel portion 10 is the center of the vehicle body rigidity. Note that a tunnel member (a so-called high-mount backbone frame) that extends in the front-rear direction of the vehicle along the upper portion of the tunnel portion 10 may be provided on the upper portion of the tunnel portion 10.

  Further, as shown in FIGS. 3 and 4, side sills 11 extending in the front-rear direction of the vehicle are joined and fixed to the left and right sides of the floor panel 5 described above. The side sill 11 is a vehicle body rigid member having a side sill closed section 14 (see FIG. 4) that joins the side sill inner 12 and the side sill outer 13 and extends in the front-rear direction of the vehicle. A side sill reinforcement may be interposed between the side sill inner 12 and the side sill outer 13 as necessary.

  Further, as shown in FIGS. 1 to 3, in the middle portion in the front-rear direction between the dash lower panel 3 and the kick-up portion 6, the vertical wall of the tunnel portion 10 and the side sill inner 12 are formed on the floor panel 5. Left and right floor cross members 15, 15 that are connected in the vehicle width direction are provided, and a closed cross section 16 that extends in the vehicle width direction is formed between the floor cross member 15 having a hat-shaped cross section and the floor panel 5. Yes.

  As shown in FIGS. 3 and 4, a pair of left and right floor frames 17 extending in the front-rear direction of the vehicle are provided at the lower portion of the floor panel 5 in the intermediate portion in the vehicle width direction between the tunnel portion 10 and the side sill 11 described above. , 17 are joined and fixed, and a closed cross section 18 (see FIG. 4) extending in the front-rear direction of the vehicle is formed between the floor frame 17 and the floor panel 5 having a reverse hat shape.

  Further, as shown in FIGS. 1 to 3, a pair of left and right rear side frames 19, 19 extending in the front-rear direction of the vehicle are joined and fixed to both lower sides of the rear floor 9, and the rear side (having a reverse hat shape in cross section) is fixed. A closed cross section extending in the longitudinal direction of the vehicle is formed between the frame 19 and the rear floor 9, and the front portions of the pair of rear side frames 19, 19 are connected to the rear portion of the side sill 11 and the vehicle as shown in FIG. 3. It extends forward to the position where it overlaps in the front-rear direction.

  On the other hand, as shown in FIG. 3, a pair of left and right front side frames 20, 20 extending in the front-rear direction of the vehicle are provided on the left and right sides of the engine room 1. Each of these front side frames 20 and 20 is a vehicle body rigid member that extends forward from the dash side portions 3B and 4, and each of these front side frames 20 and 20 has a rear portion as shown in FIGS. Extends downward along the front surface of the dash lower panel 3, and the rear end portion of the front side frame 20 is connected to the front end portion of the floor frame 17. The front side frame 20 and the floor frame 17 are As shown in FIG. 3, it continues in a straight line in the longitudinal direction of the vehicle in a plan view.

A front cross member 21 (so-called No. 1.5 cross member) having a closed cross section extending in the vehicle width direction is provided between the pair of left and right front side frames 20 and 20, while the pair of front side frames 20 and 20 are provided. A bumper rain 23 (specifically, a front bumper reinforcement) extending in the vehicle width direction is provided in front of the vehicle via crush cans 22 and 22 (impact energy absorbing members).
An intermediate receding portion 23A that recedes backward is formed at an intermediate portion in the vehicle width direction of the bumper rain 23, and side receding portions 23B and 23C that recede backward are also formed at both left and right ends of the bumper rain 23. The whole shape seen from the plane of 23 is W-shaped. The intermediate receding portion 23A of the bumper rain 23 and the above-described front cross member 21 are connected by a crash can 24 (impact energy absorbing member).

  As shown in FIG. 3, wheel houses 25, 25 are provided on the vehicle outer side of the pair of left and right front side frames 20, 20 described above, and inside these wheel houses 25, 25 in the vehicle width direction, In addition, suspension towers 26 and 26 are integrally attached to a substantially central portion of the wheel house 25 in the front-rear direction. Further, apron reinforcements 27 and 27 as vehicle body rigid members extending substantially in the front-rear direction of the vehicle are provided at the upper portions of the left and right wheel houses 25 and 25, respectively. As shown in FIG. 6, a shroud upper member 28 is connected, and a cowl side portion 29 is connected to the rear portion of the apron reinforcement 27.

  By the way, as shown in FIGS. 1 and 2, in the vicinity of the above-described front cross member 21, a radiator 31 having a cooling fan 30 at the rear is disposed between the pair of left and right front side frames 20, 20. It is inclined and arranged in a high shape. Here, the radiator 31 and the cooling fan 30 described above are integrated to constitute a radiator unit. The radiator 31 is arranged in front of the engine 32 described below.

  As shown in FIGS. 1 to 3, a power train unit 34 (hereinafter simply referred to as a power train) including an engine 32 (vertical engine) and a transmission 33 is provided at a rear portion in the engine room 1 and outside the tunnel portion 10. Are abbreviated as). The power train 34 is disposed corresponding to the dash central recess 3A described above, and a so-called front midship vehicle is provided by reversing an engine 32 and a transmission 33 as heavy objects as far as possible in the center of the vehicle. It consists of an engine car. As the engine 32, a reciprocating engine or a rotary engine can be used.

  Further, a propeller shaft 36 that transmits the output of the transmission 33 to the rear differential device 35 is provided on the vehicle exterior side of the tunnel portion 10 described above, and the differential output of the rear differential device 35 is transmitted to the left and right drive shafts 37, 37 (see FIG. 3), the vehicle is configured to transmit to the left and right rear wheels 38, 38, thereby forming an FR (front engine rear wheel drive) type vehicle.

On the other hand, as shown in FIG. 1 and FIG. 2, the vehicle extends to the rear continuously from the front nose portion 39 and the front nose portion 39 extending from the front to the rear of the vehicle in a slanted manner. An intermediate nose portion 40 that forms the front outer surface of the vehicle body, and a front window panel that covers the front of the vehicle compartment 2 provided behind the intermediate nose portion 40 so that the outside of the vehicle can be visually recognized (agrees with the front window glass, below) 41 (abbreviated simply as “front window”).
The above-described front window 41 covers the front window opening formed between the left and right front pillars 42 and 42 shown in FIG. 4, the front end of the roof portion 43, and the upper end of the cowl portion. The lower end portion is supported by the cowl panel 70. The cowl panel 70 is attached to the upper part of the dash lower panel 3 via a dash upper plate panel 71.

  Further, an upper nose portion 44 extending in the vehicle width direction is provided above the front nose portion 39 and spaced apart by a predetermined distance. The upper nose portion 44 is composed of a foamed urethane member 45 as an EA member (energy absorber member) capable of absorbing energy, and a resin outer skin 46 covering the outside of the foamed urethane member 45. It is provided so that energy can be absorbed.

  Further, as shown in FIGS. 1 and 2, a rectifying passage 47 is formed between the front nose portion 39 and the upper nose portion 44 described above, which can rectify by passing the traveling wind. That is, the upper nose portion 44 of this embodiment is configured to serve as a bumper function, a spoiler function, and a pedestrian protection function.

  On the other hand, as shown in FIGS. 1 and 2, this vehicle is configured so that the opening of the rear luggage compartment 48 above the rear floor 9 is covered with a rear gate 50 (opening / closing member) having a rear gate window 49 so as to be freely opened and closed. The rear luggage compartment 48 communicates with the interior of the passenger compartment 2, and the rear gate 50 is opened to facilitate loading and unloading of luggage.

1-4, 51 is a steering wheel, 52 is an instrument panel, 53 is a steering rack, 54 is a sub-frame, 55 is a front wheel.
On the other hand, as shown in FIG. 3, a driver seat 56 and a passenger seat 57 are juxtaposed in the vehicle width direction inside the passenger compartment 2 behind the dash lower panel 3 and the instrument panel 52. The driver's seat 56 is disposed on the left side of the vehicle corresponding to the dash side 3B and the steering wheel 51. The driver's seat 56 includes a seat cushion 56C and a seat back 56B.

  The passenger seat 57 is disposed on the right side of the vehicle corresponding to the divided dash side 4 and an air conditioning unit as a vehicle auxiliary device described later. The passenger seat 57 includes a seat cushion 57C and a seat back 57B. Yes.

  Left and right rear seats 58 and 58 (rear row seats) each having a seat cushion 58C and a seat back 58B are disposed behind the front row seat including the driver seat 56 and the passenger seat 57. Here, all of these sheets 56, 57, 58, 58 are constituted by separate sheets (bucket sheets).

  FIG. 5 is an enlarged plan view of a main part of FIG. 3, and FIG. 6 is a perspective view showing a vehicle accessory arrangement structure. The dash lower panel 3 described above has a dash center recess 3A in which the power train 34 is arranged. And a dash side portion 3B extending from the front end of the dash center recess 3A to the left side in the vehicle width direction (driver's seat side), and a predetermined amount corresponding to the position of the front side frame 20 from the front end of the dash center recess 3A. A dash side piece 3b extending to the (passenger seat side) is provided.

  Further, as shown in FIGS. 5 and 6, the above-described dash lower panel 3 includes a divided dash side portion 4 formed separately from the dash central recess 3A, and as shown in FIG. The divided dash side portion 4 is disposed offset from the dash side portion 3B on the other driver's seat side toward the front of the vehicle. That is, the dash lower panel 3 is formed asymmetrically in plan view.

  Further, as shown in the perspective view of FIG. 7, the above-described divided dash side portion 4 stores a vertical wall portion 4 a extending in the front-rear direction along the side of the power train 34 and a front wheel 55 (see FIG. 3). The lateral wall 4b extending to the upper part of the wheel house 25, the joining piece 4c extending rearward from the outer end in the vehicle width direction of the lateral wall 4b, and the rear from the lower end of the lateral wall 4b so as to follow the upper shape of the wheel house 25 4 d of extending pieces, a joining piece 4 e extending inward in the vehicle width direction along the upper shape of the front side frame 20 from the lower end of the vertical wall portion 4 a, and the front shape of the dash side piece 3 b from the rear end of the vertical wall portion 4 a 4f and a joint piece 4f extending inward in the vehicle width direction, and these elements 4a to 4f are integrally formed.

  As shown in FIGS. 5 and 6, the above-mentioned joining piece 4 f is joined and fixed to the front surface of the dash side piece 3 b, and the joining piece 4 e is joined and fixed to the upper part of the front side frame 20. In order to improve the rigidity of the front side frame 20, the rigidity of the front side frame 20 is improved and the rigidity of the front side frame 20 is improved. Yes.

Further, the joining piece 4d is joined and fixed to the upper portion of the wheel house 25 and the upper portion of the front side frame 20, and the lateral wall portion 4b is improved in the support rigidity of the front suspension by the suspension tower 26, and the suspension tower 26 is prevented from falling down. It is configured accordingly.
Further, the joining piece 4c is joined and fixed to the inner side in the vehicle width direction of the apron reinforcement 27 as a vehicle body strength member, thereby improving the strength of the apron reinforcement 27 and the supporting rigidity of the divided dash side part 4 itself. It is configured to achieve both improvement.
Instead of the divided dash side part 4 shown in FIG. 7, a divided dash side part 4 shown in FIG. 8 may be used.

  In addition to the configuration shown in FIG. 7, the divided dash side portion 4 shown in FIG. 8 has at least one bead between the vertical wall portion 4a adjacent to the suspension tower 26 and the joining piece 4e, in this embodiment, a plurality of beads. 4g and 4g are integrally formed, and this structure is configured to better prevent the suspension tower 26 from falling inward without increasing the number of parts. In FIG. 8, the same parts as those in FIG. 7 are denoted by the same reference numerals, and detailed description thereof is omitted.

As shown in FIGS. 5 and 6, at least a part of an air conditioning unit 60 for a vehicle interior as a vehicle auxiliary machine is disposed behind the divided dash side portion 4.
As shown in FIGS. 5, 6, and 9, the air conditioning unit 60 includes an evaporator 61 that removes heat from the surroundings and cools the inside and outside air, and engine cooling water after cooling the engine 32. A heater core 62 that heats the inside and outside air, a plurality of doors (not shown) inside, a wind distribution unit 63 (so-called wind box) that switches the direction of air conditioning wind, and the introduced inside and outside air to the rear The above-described evaporator 61 and heater core 62 constitute a heat exchanger unit 65.

The air-conditioning unit 60 described above includes the side of the vehicle compartment 2 behind the vehicle front-rear direction position corresponding to the front-rear position of the other dash side portion 3B (see the position of the dash side piece 3b) and the divided dash side portion 4. The blower unit 64 described above is disposed on the side of the divided dash side portion 4.
In other words, in the air conditioning unit 60 including the heat exchanger unit 65, the air distribution unit 63, and the blower unit 64, the blower unit 64 is disposed at the front portion, and the blower unit 64 is disposed on the divided dash side portion 4 side. Has been established.

Further, as shown in a plan view in FIG. 5, the heat exchanger unit 65 and the air distribution unit 63 described above are arranged in parallel in the vehicle width direction behind the blower unit 64, and the divided dash side portion 4. The air conditioning unit 60 including the heat exchanger unit 65, the air distribution unit 63, and the blower unit 64 is configured to be compactly laid out in a limited space between the vehicle side and the vehicle compartment 2 side. .
In other words, the air conditioning unit 60 includes a blower unit 64, a heat exchanger unit 65, and an air distribution unit 63, and the heat exchanger unit 65 and the air distribution unit 63 are arranged behind the blower unit 64. And, it is arranged in the front-rear direction with respect to the blower unit 64.

  Moreover, as shown in FIG. 9, as at least a part of the air conditioning unit 60, the blower motor 64 </ b> M of the blower unit 64 and the housing front lower part 60 a surrounding the periphery of the blower unit 64 include the front side frame described above. It overlaps with 20 in the up-down direction.

  In this embodiment, as shown in FIGS. 9 and 10, an opening 20a is formed in the upper part of the base 20b on the dash lower panel 3 side of the front side frame 20 located on the right side of the vehicle, and the above-described opening 20a is formed in the opening 20a. A blower motor 64M and a front lower portion 60a of the housing are disposed. That is, the blower motor 64M as at least a part of the blower unit 64 is disposed so as to overlap the front side frame 20 in the vertical direction.

  The air conditioning unit 60 and the cowl side portion 29 are partitioned by a divided dash extension 3C as shown in FIGS. 5 and 6, while the divided dash extension 3C and the dash side piece 3b. In order to arrange the air-conditioning unit 60 continuously in the front-rear direction, a communication portion 3D is formed.

Instead of the configuration shown in FIG. 9, the configuration of FIG. 11 may be adopted.
That is, in FIG. 9, the blower motor 64M and the housing front lower portion 60a of the air conditioning unit 60 surrounding the blower unit 64 are positioned in the front side frame 20 from the opening 20a of the front side frame 20, and Both the 64M and 60a are positioned in the front side frame 20 through the opening 20a of the front side frame 20, and the both 64M and 60a are configured to overlap the front side frame 20 in the vertical direction. The structure shown is such that the blower motor 64M is exposed downward from the housing of the air conditioning unit 60, the space between the blower motor 64M and the housing is sealed with a sealing member 72, and the front side frame 20 has an outer diameter of the blower motor 64M. Corresponding opening 20a Formed, by disposing through the opening 20a only blower motor 64M to the opening portion 20a, in which the blower motor 64M is configured to overlap in the vertical direction and the front side frame 20.

  If comprised in this way, the opening area of the opening part 20a formed in the front side frame 20 can be narrowed to the minimum necessary, the rigidity of the front side frame 20 is ensured, and the vertical direction of the vehicle front part is made compact. And both can be achieved. In FIG. 11, the same parts as those in FIG. 9 are denoted by the same reference numerals, and detailed description thereof is omitted.

By the way, as shown in FIGS. 3, 5, and 6, the above-described divided dash side portion 4 surrounds the air-conditioning unit 60 so as to partition the air-conditioning unit 60 as an auxiliary vehicle and the engine room 1. The divided dash side portion 4 extends in the front-rear direction along the right side portion of the power train 34 and is separated from the air conditioning unit 60 (see the vertical wall portion 4a). ) And is configured to prevent the influence of heat damage and dust damage on the air conditioning unit 60 from the engine room 1 side.
In the figure, arrow F indicates the front of the vehicle, arrow R indicates the rear of the vehicle, arrow IN indicates the inside of the vehicle, and arrow OUT indicates the outside of the vehicle.

  Thus, the vehicle accessory arrangement structure of the above embodiment is provided with the dash lower panel 3 that partitions the vehicle compartment 2 and the engine room 1 in the vehicle front-rear direction, and the dash lower panel 3 is recessed toward the vehicle rear. A dash central recess 3A provided with a power train 34 that drives a wheel (see rear wheel 38) is disposed, and dash side portions 3B and 4 extending on both sides of the dash central recess 3A in the vehicle width direction. In addition, in the vehicle provided with the front side frame 20 that extends forward from the dash side portions 3B, 4, either one of the dash side portions 3B, 4 in the vehicle width direction (a vehicle corresponding to the passenger seat in this embodiment) A vehicle accessory (see the air conditioning unit 60) is disposed on the right side in the width direction, and at least a part of the vehicle accessory (see the blower motor 64M) is connected to the front side. Overlap frame 20 in the vertical direction in which is disposed (FIG. 3, FIG. 5, see FIG. 9).

According to this configuration, since the vehicle auxiliary machine (see the air conditioning unit 60) is disposed on one side 4 of the dash side portions 3B and 4, the rear shift layout of the power train 34 is possible, and the yaw moment of inertia is reduced. As a result, the steering stability can be improved.
Moreover, since at least a part (see the blower motor 64M) of the vehicle auxiliary device (see the air conditioning unit 60) overlaps with the front side frame 20 in the vertical direction, the vertical direction of the front portion of the vehicle can be made compact. .

In other words, there is a demand to make the front part of the vehicle compact due to the relationship between the vehicle design and aerodynamic characteristics, etc. However, if a vehicle auxiliary machine is disposed on the front side frame, the height of the bonnet becomes high. For this reason, by adopting the above-described overlap structure, it can be lowered and the vertical direction of the front portion of the vehicle can be made compact.
In short, it is possible to achieve both the rear shift layout of the power train 34 and the arrangement of the vehicle auxiliary equipment (see the air conditioning unit 60) while making the vertical dimension of the front portion of the vehicle compact.

Further, an opening 20a is formed in the upper part of the front side frame 20, and at least a part (see the blower motor 64M) of the vehicle auxiliary machine (see the air conditioning unit 60) is disposed in the opening 20a. (See FIGS. 9 and 10).
According to this configuration, the front side frame 20 and the vehicle auxiliary machine (air conditioner 60) are made compact in both the vehicle front-rear direction and the vehicle width direction. The layout with the unit 60) can be secured, and downsizing of the front portion of the vehicle can be achieved.

Further, the vehicle accessory is an air conditioning unit 60 including a blower unit 64, and at least a part of the blower unit 64 (see the blower motor 64M) is disposed so as to overlap the front side frame 20 in the vertical direction. (See FIG. 9).
According to this configuration, when the air conditioning unit 60 is disposed, the front portion of the vehicle is made compact in the vertical direction while ensuring the air distribution performance of the air conditioning unit 60 and the layout of the air conditioning unit 60. be able to.

In addition, the dash side portion 4 on the one side is arranged to be offset forward from the dash side portion 3B on the other side (see FIG. 3).
According to this configuration, the vehicle accessory (see the air conditioning unit 60) is disposed on the dash side portion 4 that is offset forward, that is, on the divided dash side portion, so that the influence on the passenger compartment 2 is suppressed. The reliable rear shift layout of the power train 34 and the arrangement of the vehicle auxiliary equipment (see the air conditioning unit 60) can be compatible, and the rear shift layout of the power train 34 further reduces the yaw moment of inertia. be able to.

  Moreover, since the dash side part 4 on one side is offset forward from the dash side part 3B on the other side, the heat damage and dust damage of the engine room 1 are caused by the dash side part 4 offset on the front side. It is possible to prevent the vehicle auxiliary equipment (see the air conditioning unit 60).

The air conditioning unit 60 includes a blower unit 64, a heat exchanger unit 65, and an air distribution unit 63, and the heat exchanger unit 65 and the air distribution unit 63 are arranged back and forth behind the blower unit 64. It is arranged in the direction (see FIG. 5).
According to this configuration, the air conditioning unit 60 including the blower unit 64 can be appropriately laid out while ensuring the air distribution efficiency of the air conditioning air.

Further, the one dash side portion is a divided dash side portion 4 formed by being separated from the dash central recess 3A by a separate member (see FIG. 3).
According to this configuration, the assembly of the vehicle auxiliary machine (see the air conditioning unit 60) and the dash lower panel 3 can be ensured, and the engine for the vehicle auxiliary machine (see the air conditioning unit 60) is further provided in the divided dash side portion 4. The influence of heat damage and dust damage on the room 1 can be prevented.

Furthermore, a driver seat 56 and a passenger seat 57 are juxtaposed in the vehicle width direction inside the passenger compartment 2 behind the dash lower panel 3, and the vehicle is mounted on the dash side portion 4 corresponding to the passenger seat 57 side. An auxiliary machine (see the air conditioning unit 60) is disposed (see FIG. 3).
According to this configuration, since the vehicle auxiliary machine (see the air conditioning unit 60) is arranged on the passenger seat side, the layout in the passenger compartment 2, that is, the securing of the living space and the vehicle auxiliary machine (see the air conditioning unit 60) A layout and a layout in the engine room 1 can be achieved.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The dash panel of the present invention corresponds to the dash lower panel 3 of the embodiment,
Similarly,
The wheels driven by the powertrain correspond to the rear wheels 38,
The vehicle auxiliary machine corresponds to the air conditioning unit 60,
At least a part of the vehicle auxiliary machine corresponds to the blower motor 64M,
The dash side on one side corresponds to the split dash side 4 and
The driver seat corresponds to the driver seat 56,
The passenger seat corresponds to the passenger seat 57,
The present invention is not limited to the configuration of the above-described embodiment.
For example, in claim 1, at least a part of the auxiliary vehicle is offset outwardly in the vehicle width direction with respect to the front side frame 20 and overlapped with the front side frame 20 in the vertical direction. The configuration is also included.

The side view which shows the auxiliary equipment arrangement | positioning structure of the vehicle of this invention Side view of the vehicle with part of the powertrain broken Plan view showing auxiliary equipment arrangement structure of vehicle Front view showing auxiliary equipment arrangement structure of vehicle 3 is an enlarged plan view of the main part of FIG. Perspective view showing auxiliary equipment arrangement structure The perspective view which shows a division | segmentation dash side part The perspective view which shows the other Example of a division | segmentation dash side part 2 is an enlarged side view of the main part of FIG. Plan view showing the structure of the opening of the front side frame The enlarged side view which shows the other Example of the overlap structure of a vehicle auxiliary machine Side view showing a conventional vehicle accessory arrangement structure

Explanation of symbols

1 ... Engine room 2 ... Car compartment 3 ... Dash lower panel (dash panel)
3A ... dash central recess 3B ... dash side 4 ... split dash side (dash side)
20 ... Front side frame 20a ... Opening 34 ... Powertrain (Powertrain unit)
38 ... Rear wheel
56 ... Driver's seat (driver's seat)
57 ... Passenger seat (passenger seat)
60 ... Air conditioning unit (vehicle auxiliary equipment)
63 ... Air distribution unit 64 ... Blower unit 64M ... Blower motor (part of vehicle auxiliary equipment)
65 ... Heat exchanger unit

Claims (7)

A dash panel is provided to partition the vehicle compartment and engine room in the vehicle longitudinal direction,
The dash panel is formed of a dash center recess that is recessed toward the rear of the vehicle and in which a powertrain unit that drives the wheels is disposed, and a dash side that extends on both sides of the dash center recess in the vehicle width direction. With
In a vehicle provided with a front side frame extending forward from the dash side,
While arranging a vehicle accessory on either side of the vehicle width direction of the dash side,
A vehicle accessory arrangement structure in which at least a part of the vehicle accessory overlaps with the front side frame in the vertical direction. 2. The vehicle accessory arrangement structure according to claim 1, wherein an opening is formed in an upper portion of the front side frame, and at least a part of the vehicle accessory is arranged in the opening. The vehicle accessory is an air conditioning unit including a blower unit,
3. A vehicle accessory arrangement structure according to claim 1, wherein at least a part of the blower unit is arranged to overlap the front side frame in the vertical direction. The auxiliary equipment arrangement structure of the vehicle according to any one of claims 1 to 3, wherein the one dash side portion is arranged to be offset forward from the other dash side portion. The air conditioning unit includes a blower unit, a heat exchanger unit, and an air distribution unit,
The auxiliary equipment arrangement structure for a vehicle according to claim 3 or 4, wherein the heat exchanger unit and the air distribution unit are arranged in the front-rear direction behind the blower unit. 6. The vehicle accessory arrangement structure according to any one of claims 1 to 5, wherein the one dash side portion is a divided dash side portion formed by being separated from the dash central concave portion by a separate member. On the vehicle interior side behind the dash panel, a driver seat and a passenger seat are provided side by side in the vehicle width direction,
The vehicle accessory arrangement structure according to any one of claims 1 to 6, wherein the vehicle accessory is arranged on a dash side portion corresponding to the passenger seat side.

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