WO2018008305A1 - 車両 - Google Patents
車両 Download PDFInfo
- Publication number
- WO2018008305A1 WO2018008305A1 PCT/JP2017/020506 JP2017020506W WO2018008305A1 WO 2018008305 A1 WO2018008305 A1 WO 2018008305A1 JP 2017020506 W JP2017020506 W JP 2017020506W WO 2018008305 A1 WO2018008305 A1 WO 2018008305A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cover
- cover portion
- cross member
- pair
- muffler
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/03—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members transverse members providing body support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
- B62D21/05—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members pinched frame type, i.e. formed of at least two longitudinal frame sections connected by other longitudinal frame sections of lesser transverse dimension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
- B62D21/183—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17 specially adapted for sports vehicles, e.g. race, dune buggies, go-karts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
- B62D23/005—Combined superstructure and frame, i.e. monocoque constructions with integrated chassis in the whole shell, e.g. meshwork, tubes, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/082—Engine compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2018—Floors or bottom sub-units in connection with other superstructure subunits the subunits being front structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2072—Floor protection, e.g. from corrosion or scratching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/24—Superstructure sub-units with access or drainage openings having movable or removable closures; Sealing means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2510/00—Surface coverings
Definitions
- This invention relates to a vehicle, and more particularly to a vehicle equipped with an engine.
- Patent Document 1 includes an engine mounted on a traveling machine body, a transmission case that transmits the rotation of the engine to traveling wheels, a steering handle and a driver seat, and a cargo bed disposed behind the driver seat.
- a multipurpose vehicle in which an engine and a mission case are housed in an engine room having a sealed structure disposed below the engine room.
- the engine room is formed by a front box portion and a rear box portion, the bottom frame plate forms the bottom surface of the front box portion, and the bottom cover plate forms the bottom surface of the rear box portion.
- the bottom frame plate forms the bottom surface of the front box portion and is formed integrally with the rear frame while supporting the substantially central bottom portion of the traveling machine body. Thereafter, it is supported by the frame and formed integrally with the lower end of the rear box portion. Therefore, the bottom frame plate and the bottom cover plate cannot be easily attached and detached, and it is difficult to absorb the impact from below.
- a main object of the present invention is to provide a vehicle having an undercover that can be easily attached and detached and can absorb an impact from below.
- a pair of main frames extending in the vehicle front-rear direction and spaced apart from each other in the vehicle width direction, and a first and a first link extending in the vehicle width direction and connecting the pair of main frames, respectively.
- the rear end portion and the front end portion of the rear cover portion are respectively engaged with the second cross member, and the front cover portion is a small portion of the first cross member and the pair of main frames.
- Ku even fixed to either the rear cover part is fixed to at least one of the third cross member and a pair of main frames, a vehicle is provided.
- the front cover portion is fixed to at least one of the first cross member and the pair of main frames. Since the rear cover portion only needs to be fixed to at least one of the third cross member and the pair of main frames, the assembly of the front cover portion and the rear cover portion to the frame portion is easy. On the other hand, since the rear end portion of the front cover portion and the front end portion of the rear cover portion are only engaged with the second cross member, respectively, the front cover for the first cross member and / or the pair of main frames is removed during removal.
- the front cover part and the rear cover part can be easily detached from the frame part simply by releasing the fixing part and releasing the fixing of the rear cover part to the third cross member and / or the pair of main frames.
- the under cover can be easily attached and detached.
- the rear end portion of the front cover portion and the front end portion of the rear cover portion are only engaged with the second cross member, respectively, the rear end portion of the front cover portion and the rear end portion of the front cover portion are not affected even if an impact is applied from below.
- the impact can be absorbed by the front end portion of the cover portion moving upward.
- the under cover can absorb impacts from below and can suppress damage to the under cover.
- the front cover part includes a drain hole and the rear cover part includes a drain hole.
- the water can be easily discharged to the outside of the engine room through the holes of the front cover part and / or the rear cover part.
- the front cover part defines the lower side of the engine room. In this case, it is possible to access the engine room from below simply by removing the front cover portion, so that maintenance work and the like in the engine room are facilitated.
- a muffler to which exhaust from the engine is supplied, a muffler cover that covers the muffler, and an exhaust duct that is connected to an outlet side end of the muffler cover are further accommodated in the engine room, and the front cover portion is Includes an opening to which the exhaust duct is attached.
- the exhaust from the muffler is discharged to the outside from below the engine room via an exhaust duct connected to the outlet side end of the muffler cover and the opening of the front cover.
- the sound from the muffler is attenuated in the exhaust duct.
- the exhaust duct is connected to the muffler cover, noise such as engine vibration noise transmitted through the muffler cover is attenuated in the exhaust duct. Therefore, it is possible to suppress sound from leaking outside the vehicle.
- the opening is located behind the center in the front-rear direction of the front cover.
- the maintenance work in the engine room is facilitated by attaching the exhaust duct to the opening located behind the center of the front cover portion in the front-rear direction. That is, the front cover portion is released from the first cross member and / or the pair of main frames, and the front end portion of the front cover portion is moved with the rear end portion of the front cover portion engaged with the second cross member.
- the front cover part is opened by moving it downward, the position of the rear part is less changed than the front part of the front cover part. Therefore, since the opening is located behind the center of the front cover in the front-rear direction, the opening position has little variation in maintenance work that can be performed by opening the front cover a little. It is not necessary to remove the exhaust duct from the part.
- the opening is located behind the muffler cover in a side view.
- the opening of the front cover portion is not located below the muffler cover, but is located behind the muffler cover in a side view, so that the exhaust duct extends rearward and the exhaust duct can be formed relatively long. Therefore, exhaust can be exhausted from the lower side of the engine room toward the rear. Furthermore, it is possible to further suppress the sound from the muffler and the muffler cover from being further attenuated in the exhaust duct and leaking outside the vehicle.
- the fastening member that fixes the front cover portion to at least one of the first cross member and the pair of main frames, and the rear cover portion are fixed to at least one of the third cross member and the pair of main frames.
- a fastening member is further included, and the rear end portion of the front cover portion and the front end portion of the rear cover portion each have a claw portion engaged with the second cross member. In this case, after engaging the claw portions of the rear end portion of the front cover portion and the front end portion of the rear cover portion with the second cross member, the front cover portion is connected to the first cross member and the pair of main frames with the fastening members.
- Assembling of the front cover part and the rear cover part to the frame part is facilitated by fixing to at least one of them and fixing the rear cover part to at least one of the third cross member and the pair of main frames with a fastening member.
- the fastening member that fixes the front cover part to at least one of the first cross member and the pair of main frames, and the rear cover part to at least one of the third cross member and the pair of main frames can be easily removed from the frame part simply by removing the fastening member fixing the frame.
- the front end portion of the front cover portion and the rear end portion of the rear cover portion have claw portions engaged with the first cross member and the third cross member, respectively.
- the front end portion of the front cover portion and the rear end portion of the rear cover portion respectively.
- a vehicle having an undercover that can be easily attached and detached and can absorb an impact from below is obtained.
- FIG. 1 It is a top view which shows a frame part, a floor panel, etc.
- A is an enlarged view which shows an opening part
- (b) is an enlarged view which shows a plate-shaped member
- (c) is an enlarged view which shows a cover part.
- It is a front perspective view which shows the principal part of a golf car. It is a front perspective view which shows the principal part of a golf car. It is a back perspective view showing the important section of a golf car.
- FIG. 16 is a partial cross-sectional front view showing the engine, the muffler, and the vicinity thereof, cut along the line AA in FIG. 15.
- FIG. 16 is a partial cross-sectional plan view showing the engine, the muffler, and the vicinity thereof, which is cut along the line BB in FIG.
- It is a top view which shows an engine, a muffler cover, and its vicinity.
- It is a front perspective view which shows an engine, a muffler cover, and its vicinity.
- FIG. 20 is a partial cross-sectional side view showing a muffler, a muffler cover, an exhaust duct, and the vicinity thereof, which is cut along line CC in FIG. 19.
- A is a perspective view which shows a front cover part
- (b) is the DD sectional view taken on the line of (a). It is a perspective view which shows a rear cover part.
- front and rear, left and right, and top and bottom mean front and rear, left and right, and top and bottom with respect to a state where the driver is seated on the seat portion 18 of the golf car 10 toward the steering wheel 30.
- golf car 10 is a two-seater golf car, and includes a pair of front wheels 12a and 12b (see FIG. 9), a pair of rear wheels 14a and 14b, and a frame portion 16.
- the pair of rear wheels 14a, 14b is provided behind the pair of front wheels 12a, 12b.
- the pair of front wheels 12 a and 12 b are rotatably supported on the front portion of the frame portion 16, and the pair of rear wheels 14 a and 14 b are rotatably supported on the rear portion of the frame portion 16.
- a seat portion 18 is provided so as to extend in the width direction of the golf car 10 behind the pair of front wheels 12a and 12b and ahead of the pair of rear wheels 14a and 14b.
- the seat portion 18 is supported by a seat rail 72 (described later) of the frame portion 16.
- a backrest 20 is provided obliquely above and rearward of the seat portion 18.
- a car 22 for accommodating luggage is provided behind the backrest 20.
- the backrest 20 and the car 22 are supported by rear pillars 26a and 26b described later.
- a pair of front pillars 24 a and 24 b are provided in front of the seat portion 18, and a pair of rear pillars 26 a and 26 b are provided in the rear of the seat portion 18.
- the lower end portions of the front pillars 24 a and 24 b and the lower end portions of the rear pillars 26 a and 26 b are supported by the frame portion 16.
- the front pillars 24a and 24b and the rear pillars 26a and 26b extend from the bottom to the top so as to be inclined slightly rearward.
- the roof portion 28 covering the upper portion of the seat portion 18 is supported by the front pillars 24a and 24b and the rear pillars 26a and 26b.
- a steering wheel 30 is provided in front of the backrest 20.
- the steering wheel 30 is coupled to the front wheels 12a and 12b via a steering shaft 32 and a coupling mechanism (not shown).
- a cowl 34 made of, for example, a pair of side protectors 36, a floor panel 38, a body panel 39, a pair of rear fender covers 40a and 40b, and a rear floor cover 42 are provided so as to cover the frame portion 16, respectively.
- the cowl 34 covers the front portion of the frame portion 16 and the front wheels 12a and 12b.
- the pair of side protectors 36 covers the central portion of the frame portion 16 from both sides.
- the floor panel 38 functions as a footrest on which a driver and a passenger sitting on the seat portion 18 can put his / her feet, and constitutes a bottom portion of the cabin space of the golf car 10.
- the body panel 39 covers the front side below the seat portion 18.
- the pair of rear fender covers 40a and 40b cover both sides below the seat portion 18 and above the pair of rear wheels 14a and 14b.
- the rear floor cover 42 is provided so as to be sandwiched between the rear ends of the pair of rear fender covers 40a and 40b, and has, for example, a recess 42a for placing a golf bag.
- Maintenance of the CVT (continuously variable transmission) 144 (described later) and the transmission 146 (described later) can be easily performed simply by removing the rear floor cover 42.
- a holding portion 44 for holding the golf bag is provided above the recess 42 a and behind the car 22.
- the holding part 44 is supported by connecting members 70a and 70b (described later).
- the frame portion 16 includes a pair of main frames 46a and 46b, cross members 52, 54, 56, and 58 that extend in the vehicle front-rear direction and are spaced apart from each other in the vehicle width direction.
- Each of the pair of main frames 46a and 46b includes front frames 48a and 48b extending in the front-rear direction, and rear frames 50a and 50b extending rearward from the rear ends of the front frames 48a and 48b.
- the pair of front frames 48a and 48b are formed such that the interval between the front end portions is narrower than the interval between the rear end portions.
- the pair of rear frames 50a and 50b are formed to be curved so as to protrude upward.
- the front frames 48a and 48b are connected by cross members 52 and 54.
- a connecting portion of the front frame 48a and the rear frame 50a and a connecting portion of the front frame 48b and the rear frame 50b are connected by a cross member 56.
- the rear ends of the rear frames 50a and 50b are connected by a cross member 58. That is, the main frames 46a, 46b are connected by the cross members 52, 54, 56, 58 extending in the vehicle width direction.
- the cross members 52, 54, 56, and 58 are arranged in this order from the front to the rear of the vehicle with a space therebetween in the longitudinal direction of the vehicle.
- a pair of support frames 60a and 60b extending obliquely forward are connected to the cross member 52.
- the cross members 54, 56, and 58 correspond to the first, second, and third cross members, respectively.
- the cross member 62 extending in the vehicle width direction is supported by the front end portions of the pair of support frames 60a and 60b.
- a pair of support frames 64a and 64b extending upward are connected to the vicinity of the cross member 54 in the pair of front frames 48a and 48b.
- the front portions of the pair of rear frames 50 a and 50 b are connected by a connecting frame 66.
- Center portions of the pair of rear frames 50 a and 50 b are connected by a connecting frame 68.
- the connecting frame 66 is formed in a substantially U shape that protrudes upward so as to extend in the vehicle width direction and both ends extend downward.
- the connecting frame 68 is formed in a substantially U shape that protrudes upward so as to extend in the vehicle width direction and both ends extend downward.
- connection frames 66 and 68 are provided at intervals in the vehicle front-rear direction, and are connected by connection members 70a and 70b. Further, the upper end portions of the pair of support frames 64 a and 64 b and both side portions of the connection frame 66 are connected by the seat rail 72.
- the seat rail 72 is formed in a substantially C shape extending in the horizontal direction.
- a pair of brackets 74a and 74b are attached to the cross member 54 so as to be aligned in the vehicle width direction.
- a pair of engine brackets 76a and 76b are connected to the pair of brackets 74a and 74b.
- the engine brackets 76 a and 76 b are connected via a cross member 78.
- a support frame 79 extending forward and support frames 80a and 80b extending rearward are connected to the cross member 78.
- a protrusion 79 a is formed at the tip of the support frame 79.
- Through holes 82a and 82b are formed at the rear ends of the support frames 80a and 80b, respectively (see FIG. 8).
- An engine bracket 84 that supports an engine 114 (described later) is attached to the cross member 78 and the support frames 80a and 80b.
- the cross member 78 is connected to the engine brackets 76a and 76b so as to be swingable in the vertical direction, and the engine bracket 84 is also swingable in the vertical direction accordingly.
- the cross member 56 is connected to a pair of frames 86a and 86b extending rearward. The vicinity of the rear ends of the pair of frames 86 a and 86 b is connected by a cross member 88. The rear ends of the pair of frames 86 a and 86 b are connected to the cross member 58.
- the under cover 90 is supported by the frame portion 16.
- the under cover 90 has a front cover portion 92 and a rear cover portion 94 that are positioned in the front-rear direction.
- the front cover portion 92 is provided between the cross members 54 and 56 and is attached to the pair of front frames 48 a and 48 b and the cross members 54 and 56.
- the rear cover portion 94 is provided between the cross members 56 and 58, and is attached to the cross members 56 and 88, the frames 86a and 86b, and the rear frames 50a and 50b.
- a pair of inner cowls 95 (the right inner cowl is not shown) are attached to the rear frames 50a and 50b, respectively.
- the pair of inner cowls 95 are provided between the rear wheels 14a and 14b and the rear fender covers 40a and 40b so as to cover the upper portions of the rear wheels 14a and 14b, respectively.
- the front cover portion 92 and the rear cover portion 94 of the under cover 90 will be described later.
- the space defined by the under cover 90, the seat portion 18, the body panel 39, the heat shield 176 (described later), the fuel tank 168 (described later), the left and right inner cowls 95, and the rear floor cover 42 serves as the engine room S.
- the engine room S is surrounded by the under cover 90, the seat portion 18, the body panel 39, the heat shield 176, the fuel tank 168, the left and right inner cowls 95, and the rear floor cover 42.
- the under cover 90 that is, on the lower side, upper side, front side, left side, right side, and rear side of the engine room S, the under cover 90, the seat portion 18, the body panel 39, the heat shield plate 176, the left inner cowl 95, the fuel tank 168, and A right inner cowl 95 and a rear floor cover 42 are provided.
- the under cover 90 that is, the front cover portion 92 and the rear cover portion 94 are provided below the engine 114 and define the lower side of the engine room S.
- the floor panel 38 is provided on the front frames 48 a and 48 b and the cross member 62 of the frame portion 16.
- the floor panel 38 is provided between the pair of front wheels 12a and 12b and the pair of rear wheels 14a and 14b.
- Floor panel 38 includes a panel body 96, an opening 98, and a groove 100.
- the panel body 96 includes a first panel portion 102 that extends substantially horizontally in the front-rear direction between the front wheels 12a and 12b and the rear wheels 14a and 14b, and a rear end of the front wheels 12a and 12b and the front end of the first panel portion 102.
- a second panel portion 104 extending upward from the first portion, and third panel portions 106 a and 106 b extending rearward from the left and right rear ends of the first panel portion 102.
- the first panel portion 102 is located in front of the engine room S
- the third panel portion 106 a is located on the left side of the engine room S
- the third panel portion 106 b is located on the right side of the engine room S.
- the second panel unit 104 rises obliquely forward from the front end of the first panel unit 102.
- the opening 98 is provided in the front portion of the panel main body 96, that is, in the second panel portion 104 (see FIG. 10A). In FIG. 10A, the opening 98 is hatched.
- the groove 100 communicates with the opening 98 to supply outside air introduced from the opening 98 into a shroud 132 (described later) and into the engine 114, and extends in the front-rear direction of the panel body 96.
- the groove portion 100 is provided continuously from the second panel portion 104 to the first panel portion 102, communicates the opening 98 and the engine room S, and guides the traveling wind from the front of the golf car 10 to the engine room S. Can do.
- the groove part 100 is formed slightly to the right of the center in the vehicle width direction.
- the opening 98 is provided on the side surface 100 a of the groove 100. Referring to FIGS.
- a plate-like member 108 protruding forward from the back surface (front surface) of the second panel portion 104 is provided on the side of the opening 98.
- a square plate-like cover part 110 supported by the frame part 16 is provided in front of the opening part 98.
- the groove part 100 is covered with the cover part 112 (refer FIG. 8).
- the lid portion 112 is made of a strip-like plate-like member, and is formed according to the shape of the groove portion 100 in the longitudinal direction.
- the engine 114 is supported by the engine bracket 84 in the engine room S.
- the engine 114 is an air-cooled single cylinder engine, for example.
- the engine 114 is provided with a fuel injection device 115 that injects fuel into the intake pipe 126.
- the engine 114 is provided behind the first panel portion 102 of the floor panel 38 and includes a cylinder head 116, a cylinder body 118, and a crankcase 120.
- the engine 114 is provided to incline forward.
- An air cleaner 122 is provided above the engine 114.
- An air intake duct 124 is connected to the air cleaner 122 via a joint 123.
- the intake duct 124 is provided on the right side of the air cleaner 122 and includes a cylindrical front duct 124a and a flat rear duct 124b having a noise reduction effect.
- the rear end portion of the front duct 124a and the front end portion of the rear duct 124b are connected.
- the front duct 124 a is disposed so as to face the groove 100 from the engine room S in order to introduce outside air from the groove 100, and the rear end portion of the rear duct 124 b is connected to the joint 123. In this way, the intake duct 124 and the air cleaner 122 are communicated with each other. As indicated by an arrow X in FIG.
- the outside air introduced from the front through the opening 98 into the groove 100 is introduced from the groove 100 into the air cleaner 122 through the intake duct 124.
- the air purified by the air cleaner 122 is supplied into the engine 114 through the intake pipe 126.
- the air cleaner 122 is provided between the intake duct 124 and the engine 114.
- a muffler 128 is provided adjacent to the side of the engine 114 (to the left in this embodiment).
- the engine 114 and the muffler 128 are connected via an exhaust pipe 130, and the exhaust from the engine 114 is given to the muffler 128 via the exhaust pipe 130.
- a joint exhaust 128b including a silencer is attached to the rear end of the exhaust pipe 128a of the muffler 128 (see FIG. 22).
- the cylinder body 118 of the engine 114 is covered with the shroud 132 so as to form a gap through which air can flow between the cylinder body 118 and the shroud 132.
- a fan case 134 is provided on the side surface of the engine 114 (in this embodiment, the right side surface), and the shroud 132 and the fan case 134 are continuously provided.
- a fan 136 for supplying outside air from the groove portion 100 into the shroud 132 (between the shroud 132 and the engine 114) is accommodated in the fan case 134.
- Fan 136 is preferably coupled to and driven by crankshaft 142 (see FIG. 18).
- the muffler 128 is covered by the muffler cover 138 so as to form a gap through which air can flow between the muffler 128 and the muffler cover 138.
- the muffler cover 138 is made of, for example, resin, and a heat insulating material is provided on the inner surface, and the upper portion is formed in a substantially rectangular tube shape and the lower portion is formed in a substantially cylindrical shape.
- the shroud 132 and the muffler cover 138 are communicated by a duct 139 that covers the exhaust pipe 130. Note that the duct 139 is not shown in FIGS. 11, 12, 20, and 21. Referring to FIG. 22, an exhaust duct 140 is connected to the outlet side end portion of the muffler cover 138.
- the rear end portion of the exhaust duct 140 is attached to the opening 92a of the front cover portion 92, and faces the outside from the opening 92a (see FIGS. 7, 20, and 22).
- the opening 92a is located behind the center in the front-rear direction of the front cover 92, and is located behind the muffler cover 138 in a side view. Further, the opening 92a is located behind the muffler 128 in a side view.
- the muffler cover 138 is supported by the support frame 79 by inserting the protrusions 79a of the support frame 79 into the holes 141a of the bracket 141 attached to the side surface thereof (see FIGS. 4 and 11).
- the outside air supplied into the shroud 132 by the fan 136 passes between the shroud 132 and the engine 114 (cylinder body 118) and enters the muffler cover 138 (muffler cover). 138 and the muffler 128), and functions as cooling air for cooling the engine 114 and the muffler 128.
- the air in the muffler cover 138 passes through the exhaust duct 140 and is discharged from the opening 92 a of the front cover portion 92 to the lower outside of the engine room S.
- the output from the crankshaft 142 of the engine 114 is transmitted to the transmission 146 via the CVT 144.
- the CVT 144 is provided behind the muffler 128, and the transmission 146 is provided behind the engine 114 and between the pair of rear wheels 14a and 14b.
- the engine 114, the muffler 128, the shroud 132, the muffler cover 138, the exhaust duct 140, the CVT 144, and the transmission 146 described above are accommodated in the engine room S.
- the transmission 146 is connected to a pair of rotation transmission units 148a and 148b.
- the rotation transmission unit 148a extends to the left of the transmission 146 and includes a constant velocity joint 150a, a drive shaft 152a, a constant velocity joint 154a, and an axle 156a.
- An output shaft (not shown) of transmission 146 and drive shaft 152a are connected by constant velocity joint 150a, and drive shaft 152a and axle 156a are connected by constant velocity joint 154a.
- the rotation transmission unit 148b extends to the right of the transmission 146 and includes a constant velocity joint 150b, a drive shaft 152b, a constant velocity joint 154b, and an axle 156b.
- the output shaft of the transmission 146 and the drive shaft 152b are connected by a constant velocity joint 150b, and the drive shaft 152b and the axle 156b are connected by a constant velocity joint 154b.
- the axle 156a supports the rear wheel 14a, and the axle 156b supports the rear wheel 14b.
- the through hole 82a at the rear end portion of the support frame 80a is inserted through the output shaft of the transmission 146 between the transmission 146 and the constant velocity joint 150a, and the through hole 82b at the rear end portion of the support frame 80b is inserted into the transmission 146.
- the constant velocity joint 150b are inserted through the output shaft of the transmission 146 (see FIG. 13).
- the pair of rear wheels 14a and 14b are suspended by a pair of suspensions 158a and 158b.
- the pair of suspensions 158a and 158b are independent suspensions.
- the pair of suspensions 158a and 158b include knuckle 160a and 160b, arms 162a and 162b, and shock absorbers 164a and 164b, respectively.
- the knuckle 160a supports the axle 156a in a rotatable manner.
- the arm 162a connects the lower part of the knuckle 160a and the frame 86a.
- the lower end and the upper end of the shock absorber 164a are connected to the upper end of the knuckle 160a and the connecting frame 68, respectively.
- the knuckle 160b rotatably supports the axle 156b.
- the arm 162b connects the lower part of the knuckle 160b and the frame 86b.
- the lower end and upper end of the shock absorber 164b are connected to the upper end of the knuckle 160b and the connecting frame 68, respectively.
- the pair of front wheels 12a and 12b are suspended by a pair of suspensions 166a and 166b attached to the front portion of the frame portion 16.
- the pair of suspensions 166a and 166b are independent suspensions.
- a fuel tank 168 is provided on the right side of the engine 114 and on the third panel portion 106b of the floor panel 38.
- a sound absorbing material 170 is attached so as to stand.
- a battery 172 is provided on the left side of the muffler cover 138 and on the third panel portion 106 a of the floor panel 38. Between the muffler cover 138 and the battery 172, a sound absorbing material 174 and a heat shield plate 176 are arranged so as to overlap and stand up. Noise from the engine room S can be absorbed by the sound absorbing materials 170 and 174, and heat from the engine room S can be prevented from reaching the battery 172 by the heat shield plate 176.
- the front cover part 92 includes a cover part main body 178.
- a draining groove 180 is provided on the upper surface of the cover body 178.
- the groove part 180 is formed in the rear part of the cover part main body 178 so as to extend in the width (left-right) direction and the front-rear direction.
- Four drain holes 182a to 182d are formed on both side portions and the rear end portion of the groove portion 180.
- the opening 92a is provided at the rear left corner of the cover body 178, and four drain holes 184a to 184d are provided around the opening 92a.
- three drain holes 186a to 186c are provided at the front end portion of the cover body 178 at intervals in the width direction.
- each claw portion 188a to 188d that extend obliquely rearward and curved upward are provided at intervals in the width direction.
- a hook-like portion 190 that protrudes forward is formed, and at both sides of the cover portion main body 178, hook-like portions 192a and 192b that protrude laterally are formed.
- Two screw holes 194a and 194b are formed in the hook-shaped portion 190, and screw holes 196a and 196b are formed in the hook-shaped portions 192a and 192b, respectively.
- Ribs 198a to 198e projecting upward are formed on the inner side of the flanges 190, 192a and 192b of the cover body 178.
- two claw portions 200 a and 200 b are provided at the center of the front end portion of the cover portion main body 178.
- the rear cover part 94 includes a cover part main body 202.
- On the upper surface of the cover body 202 holding parts 204a and 206a for holding the frame 86a, holding parts 204b and 206b for holding the frame 86b, and holding parts 208a and 208b for holding the cross member 88 are provided.
- Water drain holes 210a, 210b, 210c, 210d, 210e, and 210f are formed in the vicinity of the holding portions 204a, 206a, 204b, 206b, 208a, and 208b.
- the cover main body 202 is provided with receiving portions 212a and 212b for receiving the rear ends of the frames 86a and 86b.
- the receiving portions 212a and 212b have drain holes 214a and 214b (see FIG. 7), respectively. It is formed.
- three drain holes 216a to 216c are provided at the front end of the cover body 202 at intervals in the width direction.
- Three claw portions 218a to 218c extending obliquely upward and curved upward are provided at the front end portion of the cover body 202 at intervals in the width direction.
- Screw holes 220a and 220b are formed on both sides of the rear end of the cover body 202.
- the claw portions 188a to 188d at the rear end portion of the front cover portion 92 are engaged with the cross member 56 from the front, and in this state, the claw portions 188a to 188d are
- the front cover 92 is swung as a fulcrum, and the hook-shaped portion 190 is brought into contact with the lower surface of the cross member 54 and the hook-shaped portions 192a, 192b are brought into contact with the lower surfaces of the front frames 48a, 48b.
- the rib-like portions 198a to 198e contact the side surfaces of the cross member 54 and the front frames 48a and 48b.
- the claw portions 200a and 200b are engaged with the bracket 74a so as to be sandwiched from both sides in the width direction.
- the hook-shaped part 190 in the front end part of the front cover part 92 is fixed to the cross member 54 by the fastening member 222 (refer FIG. 7) which consists of a bolt etc. which pass the hole 194a, 194b, and the bolt etc. which pass the hole 196a, 196b
- the fastening members 224 (refer to FIG. 7) made up of the flanges 192a and 192b on both sides of the front cover portion 92 are fixed to the front frames 48a and 48b. It is fixed to the part frames 48a and 48b.
- the claw portions 218a to 218c at the front end portion of the rear cover portion 94 are engaged with the cross member 56 from the rear, and in this state, the claw portions 218a to 218c.
- the rear cover portion 94 is swung with the fulcrum as a fulcrum so that the upper end surfaces of the housing portions 212a and 212b are brought into contact with the lower surface of the cross member 58.
- the frame 86a is held by the holding portions 204a and 206a
- the frame 86b is held by the holding portions 204b and 206b
- the cross member 88 is held by the holding portions 208a and 208b.
- the rear end portion of the rear cover portion 92 is fixed to the rear frames 50a and 50b by fastening members 226 (see FIG. 7) made of bolts or the like that pass through the screw holes 220a and 220b.
- the front cover portion 92 is engaged with the cross member 54 and the front frame 48 a.
- 48b and the rear cover portion 94 only needs to be fixed to the rear frames 50a and 50b, so that the front cover portion 92 and the rear cover portion 94 can be easily assembled to the frame portion 16.
- the front cover for the cross member 54 and the front frames 48a and 48b is removed when removed.
- the front cover portion 92 and the rear cover portion 94 can be easily detached from the frame portion 16 simply by releasing the fixing of the portion 92 and releasing the fixing of the rear cover portion 94 to the rear frames 50a and 50b.
- the under cover 90 can be easily attached and detached.
- the rear end portion of the front cover portion 92 and the front end portion of the rear cover portion 94 are only engaged with the cross member 56, respectively, the rear end portion of the front cover portion 92 can be received even if an impact is applied from below. The impact can be absorbed by moving the front end portion of the rear cover portion 94 upward.
- the under cover 90 can absorb impacts from below, and damage to the under cover 90 can be suppressed.
- the holes 182a to 182d, 184a to 184d, 186a to 186c of the front cover portion 92 and / or the holes 210a to 210f, 214a, 214b and 216a to 216c of the rear cover portion 94 are used. Water can be easily discharged outside the engine room S.
- Exhaust gas from the muffler 128 is discharged to the outside from below the engine room S through an exhaust duct 140 connected to an outlet side end portion of the muffler cover 138 and an opening 92 a of the front cover portion 92. At this time, the sound from the muffler 128 is attenuated in the exhaust duct 140. Further, since the exhaust duct 140 is connected to the muffler cover 138, noise such as vibration noise of the engine 114 transmitted through the muffler cover 138 is attenuated in the exhaust duct 140. Therefore, it is possible to suppress sound from leaking outside the vehicle.
- the exhaust duct 140 By attaching the exhaust duct 140 to the opening 92a located behind the center of the front cover portion 92 in the front-rear direction, maintenance work or the like in the engine room S is facilitated. That is, the front end portion of the front cover portion 92 is released in a state where the fixing of the front cover portion 92 to the cross member 54 and the front frames 48 a and 48 b is released and the rear end portion of the front cover portion 92 is engaged with the cross member 56. Is moved downward to open the front cover portion 92, the position of the rear portion is less changed than the front portion of the front cover portion 92.
- the opening 92a since the opening 92a is located behind the center of the front cover 92 in the front-rear direction, the position of the opening 92a may change in maintenance work that can be performed by opening the front cover 92 slightly. Since there are few, it is not necessary to remove the exhaust duct 140 from the opening part 92a.
- the exhaust duct 140 extends rearward and forms the exhaust duct 140 relatively long. it can. Therefore, the exhaust can be discharged from the lower side of the engine room S toward the rear. Furthermore, the sound from the muffler 128 and the muffler cover 138 is further attenuated in the exhaust duct 140, and the sound can be further suppressed from leaking outside the vehicle.
- the front cover portion 92 After engaging the claw portions 188 a to 188 d at the rear end portion of the front cover portion 92 and the claw portions 218 a to 218 c at the front end portion of the rear cover portion 94 with the cross member 56, the front cover portion 92 is connected to the cross member 54 with the fastening member 222.
- the front frames 48a and 48b with the fastening member 224 are fixed to the front frames 48a and 48b with the fastening member 224, and the rear cover portion 94 is fixed to the rear frames 50a and 50b with the fastening member 226, whereby the front cover portion 92 and the rear cover portion with respect to the frame portion 16 are secured. Assembling of 94 becomes easy.
- the fastening members 222 and 224 fixing the front cover portion 92 to the cross member 54 and the front frames 48a and 48b, and the fastening members 226 fixing the rear cover portion 94 to the rear frames 50a and 50b.
- the front cover portion 92 and the rear cover portion 94 can be easily removed from the frame portion 16 simply by removing.
- the front cover portion 92 is fixed to the cross member 54 and the front frames 48a and 48b and the rear cover portion 94 is fixed to the rear frames 50a and 50b has been described.
- the front cover portion 92 may be fixed to at least one of the cross member 54 and the front frames 48a, 48b by a fastening member
- the rear cover portion 94 is at least one of the cross member 58 and the rear frames 50a, 50b. What is necessary is just to fix to one side by a fastening member.
- the claw portions 188a to 188d at the rear end portion of the front cover portion 92 are engaged with the cross member 56 without the front cover portion 92 being fixed to the front frames 48a and 48b, so that the front end portion of the front cover portion 92 is engaged.
- the rear cover portion 94 does not have the holding portions 204a, 206a, 204b, 206b, 208a, 208b, and the claw portions 218a, 218b, 218c at the front end portion of the rear cover portion 94 are crossed.
- the rear end portion of the rear cover portion 94 may be fixed to the cross member 58 or the rear frames 50a and 50b by being engaged with the member 56.
- the front end portion of the front cover portion 92 and the front end portion of the rear cover portion 94 are engaged with the cross member 56, the front end portion of the front cover portion 92 is fixed to the cross member 54, and the rear cover portion 94 is Since the rear end portion may be fixed to the cross member 58 or the rear frames 50a and 50b, the assembly of the front cover portion 92 and the rear cover portion 94 to the frame portion 16 is further facilitated. On the other hand, since the rear end portion of the front cover portion 92 and the front end portion of the rear cover portion 94 are only engaged with the cross member 56, the front end portion of the front cover portion 92 is fixed to the cross member 54 when removed.
- the front cover portion 92 and the rear cover portion 94 can be more easily removed from the frame portion 16 simply by releasing the lock and releasing the fixing of the rear end portion of the rear cover portion 94 to the cross member 58 or the rear frame portions 50a and 50b. Can do. In this way, the under cover 90 can be attached and detached more easily.
- the front cover portion 92 and the front end portion of the rear cover portion 94 are only engaged with the cross member 56, the front cover portion 92 is not affected by the front end portion even when an impact is applied from below. With the fulcrum as the fulcrum, the rear cover part 94 can absorb the impact easily by moving upward with the rear end as the fulcrum.
- the under cover 90 can easily absorb impacts from below, and damage of the under cover 90 can be further suppressed.
- a groove for draining water may be formed on the upper surface of the rear cover portion 94.
- claw portions 228a and 228b may be provided at the front end portion of the cover portion main body 178 of the front cover portion 92, and the rear portion of the cover portion main body 202 of the rear cover portion 94 as shown in FIG.
- the claw portions 230a and 230b may be provided at the end portions. In this case, after engaging the claw portions 188a to 188d at the rear end portion of the front cover portion 92 and the claw portions 218a to 218c at the front end portion of the rear cover portion 94 with the cross member 56, the claws at the front end portion of the front cover portion 92 are engaged.
- the present invention is not limited to this.
- the present invention can be applied to any other vehicle.
Abstract
Description
16 フレーム部
46a,46b メインフレーム
52,54,56,58,62,78,88 クロスメンバ
90 アンダーカバー
92 前カバー部
92a,98 開口部
94 後カバー部
114 エンジン
128 マフラー
138 マフラーカバー
140 排気ダクト
182a~182d,184a~184d,186a~186c,210a~210f,214a,214b,216a~216c 水抜き用の孔
188a~188d,200a,200b,218a~218c,228a,228b,230a,230b 爪部
222,224,226 締結部材
S エンジンルーム
Claims (8)
- 車両幅方向に相互に間隔をあけてそれぞれ車両前後方向に延びる一対のメインフレーム、ならびにそれぞれ前記車両幅方向に延びて前記一対のメインフレームを連結する第1,第2および第3のクロスメンバを含むフレーム部と、
前後に位置する前カバー部および後カバー部を有しかつ前記フレーム部に支持されるアンダーカバーと、
前記アンダーカバーによって下側が規定されるエンジンルームと、
前記エンジンルームに収容されるエンジンとを備え、
前記第1,第2および第3のクロスメンバは、前記車両前後方向に相互に間隔をあけてかつ車両前方から後方にこの順で配置され、
前記前カバー部の後端部および前記後カバー部の前端部はそれぞれ前記第2クロスメンバに係合され、前記前カバー部は前記第1クロスメンバおよび前記一対のメインフレームの少なくともいずれか一方に固定され、前記後カバー部は前記第3クロスメンバおよび前記一対のメインフレームの少なくともいずれか一方に固定される、車両。 - 前記前カバー部は水抜き用の孔を含み、
前記後カバー部は水抜き用の孔を含む、請求項1に記載の車両。 - 前記前カバー部は前記エンジンルームの下側を規定する、請求項1または2に記載の車両。
- 前記エンジンからの排気が供給されるマフラーと、
前記マフラーを覆うマフラーカバーと、
前記マフラーカバーの出口側端部に連設される排気ダクトとをさらに前記エンジンルームに収容し、
前記前カバー部は、前記排気ダクトが取り付けられる開口部を含む、請求項1から3のいずれかに記載の車両。 - 前記開口部は、前記前カバー部の前後方向の中央より後方に位置する、請求項4に記載の車両。
- 前記開口部は、側面視において前記マフラーカバーよりも後方に位置する、請求項4に記載の車両。
- 前記前カバー部を前記第1クロスメンバおよび前記一対のメインフレームの少なくともいずれか一方に固定する締結部材、ならびに
前記後カバー部を前記第3クロスメンバおよび前記一対のメインフレームの少なくともいずれか一方に固定する締結部材をさらに含み、
前記前カバー部の後端部および前記後カバー部の前端部はそれぞれ前記第2クロスメンバに係合される爪部を有する、請求項1から6のいずれかに記載の車両。 - 前記前カバー部の前端部および前記後カバー部の後端部はそれぞれ前記第1クロスメンバおよび前記第3クロスメンバに係合される爪部を有する、請求項7に記載の車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP17823912.5A EP3483045A4 (en) | 2016-07-08 | 2017-06-01 | GOLF CAR |
CA3020821A CA3020821C (en) | 2016-07-08 | 2017-06-01 | Vehicle |
US16/092,368 US10730566B2 (en) | 2016-07-08 | 2017-06-01 | Vehicle |
AU2017292238A AU2017292238B2 (en) | 2016-07-08 | 2017-06-01 | Vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2016136458A JP6276334B2 (ja) | 2016-07-08 | 2016-07-08 | 車両 |
JP2016-136458 | 2016-07-08 |
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Publication Number | Publication Date |
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WO2018008305A1 true WO2018008305A1 (ja) | 2018-01-11 |
Family
ID=60912656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2017/020506 WO2018008305A1 (ja) | 2016-07-08 | 2017-06-01 | 車両 |
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US (1) | US10730566B2 (ja) |
EP (1) | EP3483045A4 (ja) |
JP (1) | JP6276334B2 (ja) |
AU (1) | AU2017292238B2 (ja) |
CA (1) | CA3020821C (ja) |
WO (1) | WO2018008305A1 (ja) |
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US10780846B2 (en) * | 2018-12-21 | 2020-09-22 | Kawasaki Jukogyo Kabushiki Kaisha | Utility vehicle |
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- 2017-06-01 US US16/092,368 patent/US10730566B2/en active Active
- 2017-06-01 WO PCT/JP2017/020506 patent/WO2018008305A1/ja unknown
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US20190126992A1 (en) | 2019-05-02 |
US10730566B2 (en) | 2020-08-04 |
CA3020821C (en) | 2019-12-31 |
JP2018002124A (ja) | 2018-01-11 |
EP3483045A1 (en) | 2019-05-15 |
AU2017292238A8 (en) | 2019-07-11 |
AU2017292238A1 (en) | 2018-11-15 |
JP6276334B2 (ja) | 2018-02-07 |
EP3483045A4 (en) | 2020-04-15 |
CA3020821A1 (en) | 2018-01-11 |
AU2017292238B2 (en) | 2019-07-11 |
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