JP6529427B2 - Multipurpose vehicle - Google Patents

Description

  The present invention relates to a multi-purpose vehicle provided with a driving cabin that covers a boarding space in which a passenger gets in and an air conditioning system that air-conditions the boarding space.

  For example, a conventional multipurpose vehicle is described in Patent Document 1 below. In this multi-purpose vehicle, the air conditioning system is provided with an air conditioning unit that generates an air flow supplied to the boarding space. The air conditioning unit is provided in a front cover ("bonnet" in Patent Document 1) located in front of the boarding space.

JP 2008-120249 A (FIG. 1)

  However, in the above-mentioned prior art, since the air conditioning unit having a large occupied volume among the components of the air conditioning system is provided in the front cover, the space in the front cover becomes tight due to the presence of the air conditioning unit. There is a disadvantage such as restricting the layout of the other functional components arranged inside. Therefore, there is room for improvement in the arrangement of components such as the air conditioning unit in the air conditioning system.

  In view of the above-mentioned situation, it has been desired to provide a multipurpose vehicle in which components such as an air conditioning unit in an air conditioner system can be arranged in a preferable manner.

The multipurpose vehicle according to the present invention covers a driver's seat where a passenger gets in, a steering gear provided in front of the driver's seat, a boarding space which is a space provided with the driver's seat and the steering gear, and the boarding space A driver's cabin, and a dumpable bed provided at the rear of the driver's cabin, and bulging rearward as the upper part of the rear end at the rear end behind the driver's seat of the driver's seat goes upward a rear bulged portion, and the air-conditioning system for the air conditioning of the front Symbol boarding space, is provided, the air conditioning system, air conditioning unit for generating air flow to be supplied to the passenger space is provided, said air-conditioning unit, It is provided in the front upper part of the said boarding space of the upper part of the said driving | operating cabin, and the backrest part of the said driver's seat inclines back over the said back bulging part.

According to the present invention, among the components of the air conditioning system, the air conditioning unit having a large occupied volume is provided in the upper part of the driving cabin, so, for example, the inside of the front cover is provided compared to the case where the air conditioning unit is provided in the front cover. Space is widely secured, and the degree of freedom in the layout of other functional components in the front cover can be increased.
Therefore, according to the present invention, components such as an air conditioning unit in the air conditioning system can be arranged in a preferable mode.

  In addition, the air conditioning unit can be suitably disposed in a vacant space at a front upper portion of the boarding space. Thus, since the air conditioning unit is disposed at the upper front of the boarding space, the air conditioning unit does not interfere with, for example, the movable range of the dumpable platform. Furthermore, by arranging the air conditioning unit at the upper front of the boarding space, the entire center of gravity of the traveling machine body is closer to the front, so that, for example, when traveling with the luggage loaded on the loading platform, Stability is increased.

  In the above configuration, the air conditioning system includes a condenser for cooling a refrigerant, and a first refrigerant pipe that sends the refrigerant from the condenser toward the air conditioning unit, and the condenser is disposed in front of the driving cabin. It is preferable that the first refrigerant pipe is disposed in a front cover located and disposed along a front portion of a cabin frame constituting the driving cabin.

  According to this configuration, the component parts of the air conditioner system are not arranged intensively at one place, but are dispersedly arranged at each place where there is an empty space. Furthermore, by arranging the air conditioning unit in the upper part of the driving cabin and arranging the condenser in the front cover, the first refrigerant piping for conveying the refrigerant from the condenser toward the air conditioning unit along the front of the cabin frame Wiring can be made so that the first refrigerant pipe does not get in the way of the passenger in the boarding space.

In the above configuration, the air conditioner system further includes a compressor for compressing a refrigerant.
A second refrigerant pipe for transmitting a refrigerant from the air conditioning unit toward the compressor, the compressor being disposed at a lower rear location of the boarding space, and the second refrigerant pipe constituting the driving cabin It is preferable that the cable is routed along the rear of the cabin frame.

  According to this configuration, the component parts of the air conditioner system are not arranged intensively at one place, but are dispersedly arranged at each place where there is an empty space. Furthermore, by arranging the air conditioning unit in the upper part of the driving cabin and arranging the compressor at the lower rear position of the boarding space, the second refrigerant pipe for sending the refrigerant from the air conditioning unit toward the compressor is The second refrigerant pipe may not be in the way of the passenger in the boarding space.

  In the above configuration, it is preferable that an engine disposed at a lower rear position of the boarding space is provided, and a heat medium pipe capable of circulating a heat medium between the engine and the air conditioning unit is provided. It is.

  According to this configuration, the heat of the engine can be sent to the air conditioning unit by the heat medium flowing through the heat medium pipe. Thereby, the air-conditioner system which has a heater function using heat of an engine can be constituted.

  In the above-mentioned configuration, it is preferable that the heat medium pipe is wired along a rear portion of a cabin frame constituting the driving cabin.

  According to this configuration, the heat medium piping capable of circulating the heat medium between the engine and the air conditioning unit is installed along the rear portion of the cabin frame, and the heat medium piping serves as a passenger for the passenger space. You can avoid getting in the way.

It is a side view of a multipurpose vehicle. It is a fragmentary sectional view which shows a multipurpose vehicle by rear view and shows the periphery of an air-conditioning unit partially in a cross section. It is a front view of a multipurpose vehicle. It is a top view which shows the periphery of the rear part of a multipurpose vehicle. It is a longitudinal cross-sectional view which shows the periphery of a wire metal fitting. It is a side view of the multipurpose vehicle in a second embodiment. It is a fragmentary sectional view which shows the multipurpose vehicle in 2nd embodiment by rear view, and shows the periphery of an air-conditioning unit partially in a cross section. It is a longitudinal cross-sectional view which shows the circumference | surroundings of the wire metal fitting in other embodiment.

Hereinafter, an embodiment which is an example of the present invention will be described based on the drawings.
First Embodiment
The first embodiment will be described below.
The multipurpose vehicle shown in FIGS. 1 to 3 and the like is a vehicle used for multipurpose applications such as luggage transportation and recreation. In a multipurpose vehicle, front wheels 11 as a pair of steerable and drivable left and right travel devices, rear wheels 12 as a pair of drivable left and right travel devices, left and right front wheels 11 and left and right rear wheels 12 And a traveling vehicle capable of traveling by the vehicle. A driving unit 13 is provided at the front-rear center of the traveling vehicle. At the rear of the operation unit 13 in the traveling vehicle, a loading platform 14 capable of loading luggage and dumpable is provided. In addition, the traveling machine body is provided with an air conditioning system A that performs air conditioning of the driving unit 13.

  As shown in FIGS. 1 to 3 and the like, the driving unit 13 is provided with a driving cabin C that covers a boarding space B in which a passenger gets on. In the boarding space B, a driver's seat 15 on which the operator sits and a driver's seat 15 disposed adjacent to the driver's seat 15 for a passenger to sit on, a steering wheel 17 for steering operation, and a gear change operation The shift lever (not shown) etc. is provided. The steering wheel 17 and the shift lever are disposed on a drive panel 19 located in front of the driver's seat 15. A storage box 20 having an openable and closable lid portion capable of storing small items, tools and the like is provided on the lateral side of the operation panel 19. The driver's seat 15 and the auxiliary seat 16 are each configured to be capable of changing the inclination angle of the backrest.

  As shown in FIG. 1, the loading platform 14 is configured to be switchable between a placement state D1 in which the load can be placed and a dump state D2 in which the load can be discharged. The loading platform 14 can be changed from the placing state D1 to a dumping state D2 in which the load can be discharged from the rear end side by rocking the front end portion by pivoting around the horizontal axis. The state change of the loading platform 14 can be performed, for example, by driving an actuator 22 formed of a hydraulic cylinder or the like. The loading platform 14 is connected to the bottom plate portion 14A, side plate portions 14B connected to both side end portions of the bottom plate portion 14A, front plate portion 14C connected to the front end portion of the bottom plate portion 14A, and rear end portions of the bottom plate portion 14A. And a rear plate portion 14D. The back plate portion 14D can be opened and closed. For example, when the loading platform 14 is in the dumping state D2 and the back plate portion 14D is opened, the luggage can be slid and discharged from the rear portion of the loading platform 14.

  As shown in FIGS. 1 and 2, in the engine room R located below the loading platform 14, a water-cooled gasoline engine (hereinafter referred to as "the engine 21"), a belt type continuously variable transmission mechanism (not shown) , Gear type transmission mechanism (not shown) and the like. The engine 21 is located at a rear portion of the traveling airframe and is disposed at a lower rear position of the boarding space B.

  As shown in FIGS. 1 and 3, a front cover 24 that can be opened and closed is provided in front of the driving unit 13 at the front of the traveling airframe. A space S is formed in the front cover 24 and in the drive panel 19.

  As shown in FIGS. 1 to 4, the traveling airframe is provided with an airframe 26. The airframe frame 26 includes a mounting frame 27 for mounting and supporting the engine 21 and the like, a cabin frame 28 which is a component of a driving cabin C for surrounding and protecting the boarding space B of the driving unit 13, and the driving unit 13 in the front and rear direction A pair of left and right front-to-back frames 31 extending along the same, a frame-shaped front frame 32 provided at the front end of the front-to-back frames 31, and the like are provided.

  The mounting frame 27 is adapted to surround the engine 21. The mounting frame 27 includes left and right support frames 33 extending along the longitudinal direction, a rear vertical frame 34 extending vertically from the rear ends of the left and right support frames 33, and upper ends of the rear vertical frames 34. An upper front and rear frame 35 extending along the front and rear direction and an upper middle horizontal frame 36 extending along the left and right direction connecting middle and rear middle portions of the left and right upper front and rear frames 35 are provided.

[About the driving cabin]
As shown in FIGS. 1 to 3, the driving cabin C is provided with a cabin frame 28, a roof 37, a windshield 38, a pair of left and right side doors 39 that can be opened and closed, a translucent rear glass 40, etc. There is. Translucent side glasses 41 are attached to the left and right side doors 39, respectively. The left and right side doors 39 are configured to be able to open and close by swinging around an opening and closing axis Z along the vertical direction. By closing the pair of left and right side doors 39, the boarding space B in the driving cabin C is sealed. As shown in FIGS. 1 to 3, the roof 37 covers the entire upper part of the boarding space B.

  As shown in FIG. 1 and the like, the cabin frame 28 is provided with a pair of left and right upper side frames 44 with an inverted U-shape in side view and a lower frame 45 with a pair of left and right side views in a U-shape. The upper frame 44 and the lower frame 45 are each formed of a cylindrical frame. As shown in FIGS. 1 to 3, the upper frame 44 and the lower frame 45 are connected, and together constitute a closed loop frame.

  In addition, a frame-like air conditioning support frame 46 is installed on the cabin frame 28 so as to extend between the front upper portions of the left and right upper frames 44.

[Forward expansion of cabin frame]
As shown in FIG. 1, a rear bulging portion 49 bulging rearward is provided at a rear upper portion of the upper frame 44 of the cabin frame 28. The backrest portion of the driver's seat 15 and the backrest portion of the assistant seat 16 can be inserted rearward into the rear bulging portion 49 by inserting the backrest portion. As a result, the passenger can sit on the driver's seat 15 or the auxiliary seat 16 in a state in which the upper body is tilted backward, and a comfortable sitting posture can be taken. The rear bulging portion 49 is provided so as not to interfere with the loading platform 14 in the dumping state D2, that is, not to interfere with the movable range of the loading platform 14.

[About the air conditioner system]
The air conditioning system A shown in FIGS. 1 to 3 and the like performs air conditioning of the boarding space B in the driving cabin C. The air conditioner system A includes, as components, an air conditioning unit 50, a condenser 51, a compressor 52, a first refrigerant pipe 53, a second refrigerant pipe 54, a third refrigerant pipe 55, an engine 21, a heat medium A pipe 56 is provided.

The condenser 51 shown in FIGS. 1 and 3 is a condenser for cooling the refrigerant. The condenser 51 is disposed in the front cover 24 located in front of the driving cabin C.
In the front cover 24, a radiator 57 for cooling the engine 21 and the like are provided as functional components. The radiator 57 is mounted on and supported by the front frame 32. The condenser 51 is disposed in front of the radiator 57 and supported by the front frame 32. The air generated by the drive of a cooling fan (not shown) for cooling the radiator 57 is configured to cool the condenser 51 as well as the radiator 57.

  The compressor 52 shown in FIGS. 1, 2 and 4 is a compressor for compressing a refrigerant. The compressor 52 is disposed at a lower rear position of the boarding space B. To add to the explanation, the compressor 52 is disposed on the front side of the engine 21.

  The first refrigerant pipe 53 shown in FIGS. 1 and 3 sends the refrigerant from the condenser 51 toward the air conditioning unit 50. The first refrigerant pipe 53 is routed along the outside of the front portion 28A of the cabin frame 28 that constitutes the driving cabin C.

  The second refrigerant pipe 54 shown in FIGS. 1 and 2 is configured to send the refrigerant from the air conditioning unit 50 toward the compressor 52. The second refrigerant pipe 54 is routed along the outside of the rear portion 28 </ b> B of the cabin frame 28 constituting the driving cabin C.

  The third refrigerant pipe 55 shown in FIG. 1 serves to send the refrigerant from the compressor 52 to the condenser 51. The third refrigerant pipe 55 is arranged along the outside of the front-rear direction frame 31 extending in the front-rear direction below the boarding space B.

The air conditioning unit 50 shown in FIGS. 1 to 3 is configured to generate an air flow supplied to the boarding space B. The air conditioning unit 50 is provided at the top of the driving cabin C.
The air conditioning unit 50 is disposed on the front upper side of the boarding space B. The air conditioning unit 50 is surrounded by the air conditioning support frame 46. The air conditioning unit 50 is supported by the air conditioning support frame 46 via a bracket 47 extending from the air conditioning support frame 46.

  As described above, since the air conditioning unit 50 is disposed at a place different from the space S in the front cover 24, a space is generated in the space S (see FIG. 1) in the front cover 24, and the functional components such as the radiator 57 etc. , And the storage volume of the storage box 20 entering the space S can also be increased.

  Although not shown in detail, the air conditioning unit 50 takes in air from the outside air inlet by driving a blower fan (not shown), sends the taken air through the duct into the boarding space B, and discharges it from the outlet of the duct (not shown). It is supplied into the boarding space B.

  The air conditioning system A includes the condenser 51, the compressor 52, the first refrigerant pipe 53, the second refrigerant pipe 54, and the third refrigerant pipe 55, whereby the air cooled from the air conditioning unit 50 to the boarding space B It has a cooler function to supply

  The heat medium pipe 56 shown in FIGS. 1 and 2 is capable of circulating the heat medium between the engine 21 and the air conditioning unit 50. The heat medium piping 56 is routed along the outside of the rear portion 28B of the cabin frame 28 that constitutes the driving cabin C. The heat medium pipe 56 is provided with a forward pipe 56A for sending the heat medium from the engine 21 to the air conditioning unit 50, and a return pipe 56B for sending the heat medium from the air conditioning unit 50 to the engine 21.

  The air conditioning system A includes the heating medium pipe 56 as described above, and thus has a heater function of supplying warm air from the air conditioning unit 50 to the boarding space B.

  Although not described in detail, the air conditioning system A also has a blower function of supplying the boarding space B from the air conditioning unit 50 without controlling the temperature of the outside air.

  That is, the air conditioner system A functions as a HVAC (Heating, Ventilation, and Air Conditioning) system.

[About wire fittings used for restraint of luggage in the loading platform]
The loading platform 14 shown in FIGS. 1, 2, 4 and 5 is made of resin. As shown in FIG. 4, in the bottom plate portion 14A of the loading platform 14, as shown in FIG. 5, the loading platform is shown in FIG. 5 at four locations: front left, front right, rear left and rear right. When the mounting bracket 14 is placed in the placement state D1 (see also FIG. 1), a hole-shaped notch 61 through which the metal fitting 60 for restraint can pass is provided. As shown in FIG. 4 and FIG. 5, the metal fittings 60 for restraint are fastened and fixed to the upper surfaces of the front and rear frames 35 of the mounting frame 27 with fasteners 62 such as bolts corresponding to the respective notches 61. ing.
When the loading platform 14 is placed in the loading condition D1, the loading platform 14 in the loading condition D1 is fixed by being fixed through the loop-like hole 60A of the binding bracket 60 through a binding string (not shown) such as a wire. The load loaded on the load can be tied with a restraining wire, and can be restrained to the mounting frame 27 via the restraining fitting 60.

  Thus, since the loading platform 14 is made of resin, the loading platform 14 can be reduced in weight, and fuel consumption and running performance can be improved. Furthermore, since the restraining bracket 60 for restraining the load on the loading platform 14 is fixed not to the loading platform 14 but to the mounting frame 27, the repetitive loading on the binding bracket 60 does not apply to the loading platform 14 and the loading platform It can avoid that 14 is damaged locally.

Second Embodiment
Hereinafter, a second embodiment in which the first embodiment is modified will be described. 2nd embodiment changes arrangement | positioning etc. of the "air-conditioning unit" of 1st embodiment "air-conditioner system". The configuration of the second embodiment is the same as the configuration of the first embodiment except for the matters described below, so the same reference numerals are given to the same components, and the description thereof will be omitted.

  In the second embodiment, as shown in FIG. 6 and FIG. 7, the air conditioning unit 150 of the air conditioning system Aa is disposed at a rear upper position of the boarding space B in the driving cabin Ca. A cover frame 130 that covers and supports the air conditioning unit 150 is fixed to the upper rear of the cabin frame 128. The air conditioning unit 150 is supported by the cover frame 130 via the bracket 131. The cover frame 130 and the air conditioning unit 150 are provided so as not to interfere with the loading platform 14 in the dumping state D2, that is, not to interfere with the movable range of the loading platform 14.

  Further, in the air conditioner system Aa, the first refrigerant pipe 53 is routed along the outside of the front portion 128A of the cabin frame 128 that constitutes the driving cabin Ca. The second refrigerant pipe 54 is routed along the outside of the rear portion 128B of the cabin frame 128 that constitutes the driving cabin Ca. The third refrigerant pipe 55 is arranged along the outside of the front-rear direction frame 31 extending in the front-rear direction below the boarding space B. The heat medium piping 56 is routed along the outside of the rear portion 128B of the cabin frame 128 that constitutes the driving cabin Ca.

Other Embodiments
Hereinafter, other embodiments in which the first embodiment or the second embodiment is modified will be described. The first embodiment, the second embodiment, and the other embodiments described below can be selectively combined as long as no contradiction arises. The scope of the present invention is not limited to the contents of each embodiment.

(1) In the first embodiment and the second embodiment, an example is illustrated in which the restraint metal fitting 60 for restraining a load on the loading space 14 is fixed to the mounting frame 27 instead of the loading space 14. However, it is not limited to this. For example, as shown in FIG. 8, an angular cylindrical reinforcing frame 200 extending along the front-rear direction is fixed to the bottom surface of the bottom plate portion 14A of the loading platform 14, and the restraint bracket 160 is fixed to the reinforcing frame 200 by welding or the like. You may do it. That is, since the restraint bracket 160 is fixed to the loading platform 14 via the reinforcing frame 200, the posture of the binding bracket 160 with respect to the loading platform 14 is kept constant even when the loading platform 14 is in the mounted state D1 to the dumping state D2. The restraining cord-like body passed through the hole 160A of the restraining fitting 160 can maintain a state in which the load is restrained by the loading platform 14.

(2) In the first embodiment and the second embodiment, the first refrigerant pipe 53 is routed along the outside of the front portion 28A (front portion 128A) of the cabin frame 28 (cabin frame 128) Are illustrated, but not limited thereto. For example, the first refrigerant pipe 53 may be routed along the inside of the front portion 28A (front portion 128A) of the cabin frame 28 (cabin frame 128) formed of a cylindrical frame.

(3) In the first embodiment and the second embodiment, the second refrigerant pipe 54 is wired along the outside of the rear portion 28B (rear portion 128B) of the cabin frame 28 (cabin frame 128) Although it is illustrated, it is not limited to this. For example, the second refrigerant pipe 54 may be routed along the inside of the rear portion 28B (rear portion 128B) of the cabin frame 28 (cabin frame 128) formed of a cylindrical frame.

(4) In the first embodiment and the second embodiment described above, the third refrigerant pipe 55 is illustrated along the outside of the front and rear direction frame 31, but the invention is limited thereto. Absent.
For example, the third refrigerant pipe 55 may be routed along the inside of the rear portion of the front-rear direction frame 31 configured by the cylindrical frame.

(5) Although the air-conditioner system A which has a cooler function is illustrated in said 1st embodiment and said 2nd embodiment, it is not restricted to this. For example, other air conditioner systems that do not include the condenser 51, the compressor 52, the first refrigerant pipe 53, the second refrigerant pipe 54, the third refrigerant pipe 55, and the like, do not have a cooler function, and have only a blower function and a heater function. It may be A.

(6) In the first embodiment and the second embodiment, the air conditioner system A having a heater function provided with the heat medium pipe 56 capable of circulating the heat medium between the engine 21 and the air conditioning unit 50 Although it is illustrated, it is not limited to this. For example, in place of the heat medium pipe 56, a heater device is provided in the air conditioning unit 50, and another air conditioner system A having a heater function of supplying air warmed by the heater device to the boarding space B Good.

(7) Although the air-conditioner system A which has a heater function is illustrated in said 1st embodiment and said 2nd embodiment, it is not restricted to this. For example, another air conditioner system A may be provided that does not have the heat medium pipe 56, does not have a heater function, and has only a blower function and a cooler function.

(8) Although the air-conditioner system A which has a cooler function and a heater function is illustrated in said 1st embodiment and said 2nd embodiment, it is not restricted to this. For example, the other air conditioner system A may have only a blower function without the cooler function or the heater function.

  INDUSTRIAL APPLICABILITY The present invention can be used for a multipurpose vehicle provided with a driving cabin that covers a boarding space in which a passenger gets in and an air conditioning system that performs air conditioning of the boarding space.

21: engine 24: front cover 28: cabin frame 28A: front 28B: rear 50: air conditioning unit 51: condenser 52: compressor 53: first refrigerant pipe 54: second refrigerant pipe 56: heat medium pipe A: air conditioner system C : Driving cabin (second embodiment)
128: Cabin frame 128A: Front 128B: Rear 150: Air conditioning unit Aa: Air conditioning system Ca: Driving cabin

Claims (5)

The driver's seat where the passenger gets in,
A steering gear provided in front of the driver's seat;
A boarding space which is a space provided with the driver's seat and the steering tool;
A driving cabin covering the boarding space;
A dumpable carrier provided at the rear of the driving cabin;
A rear bulging portion which bulges rearward as the upper side of the rear end portion of the driving cabin at the rear end side from the driver's seat reaches the upper side ,
An air conditioning system for air conditioning the boarding space;
The air conditioning system includes an air conditioning unit that generates an air flow supplied to the boarding space.
The air conditioning unit is provided at an upper front portion of the boarding space above the driving cabin.
The multipurpose vehicle in which the backrest part of the said driver's seat inclines back over the said back expansion part. The air conditioner system further includes a condenser for cooling a refrigerant.
A first refrigerant pipe for transmitting a refrigerant from the condenser toward the air conditioning unit;
The condenser is disposed in a front cover located in front of the driving cabin.
The multi-purpose vehicle according to claim 1, wherein the first refrigerant pipe is wired along a front portion of a cabin frame that constitutes the driving cabin. A compressor for compressing a refrigerant in the air conditioning system;
A second refrigerant pipe for transmitting a refrigerant from the air conditioning unit to the compressor;
The compressor is disposed at a lower rear position of the boarding space;
The multi-purpose vehicle according to claim 1, wherein the second refrigerant pipe is routed along a rear portion of a cabin frame that constitutes the driving cabin. An engine disposed at a lower rear position of the boarding space;
The multipurpose vehicle according to any one of claims 1 to 3, further comprising a heat medium pipe capable of circulating a heat medium between the engine and the air conditioning unit.   The multipurpose vehicle according to claim 4, wherein the heat medium pipe is wired along a rear portion of a cabin frame constituting the driving cabin.

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