WO2016063927A1 - トラクタのボンネット - Google Patents
トラクタのボンネット Download PDFInfo
- Publication number
- WO2016063927A1 WO2016063927A1 PCT/JP2015/079754 JP2015079754W WO2016063927A1 WO 2016063927 A1 WO2016063927 A1 WO 2016063927A1 JP 2015079754 W JP2015079754 W JP 2015079754W WO 2016063927 A1 WO2016063927 A1 WO 2016063927A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bonnet
- engine
- opening
- tractor
- air
- Prior art date
Links
Images
Classifications
-
- 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
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
-
- 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
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/22—Agricultural vehicles
- B60Y2200/221—Tractors
Definitions
- the present invention relates to a tractor bonnet.
- tractors used in farmland are known (for example, Patent Document 1).
- a tractor is provided with a bonnet at the front, and an engine is housed in the bonnet.
- the bonnet has an upper cover and a pair of lower covers.
- the bonnet is required to pass air from the outside to the inside of the bonnet or from the inside to the outside. This is for supplying air outside the bonnet to the engine and preventing the engine heat from being trapped inside the bonnet.
- the rigidity of the bonnet may be reduced due to the shape of the opening. Therefore, there has been a demand for a bonnet that maintains high rigidity while improving air fluidity.
- An object of the present invention is to provide a bonnet that maintains high rigidity while improving air fluidity.
- the first aspect of the present invention is: An upper cover, A tractor bonnet having a pair of lower covers, The upper cover is formed such that a center line is formed from the front end point to a middle point obliquely rearward and includes two openings sandwiching the center line.
- the second aspect of the present invention is the bonnet according to the first aspect,
- the opening is arranged such that one side thereof is along the center line.
- a third aspect of the present invention is the bonnet according to the first or second aspect, An outline is formed in the upper cover so as to spread laterally from the front end point, The opening is arranged such that one side thereof is along the outline.
- the fourth aspect of the present invention is the bonnet according to any one of the first to third aspects, Side lines are formed in the upper cover so as to spread laterally from the midpoint, The opening is arranged such that one side thereof is along the side line.
- a fifth aspect of the present invention is the bonnet according to any one of the first to fourth aspects, A light unit is fitted into the lower cover, The opening is arranged so that one side thereof is along the end line of the light unit.
- the sixth aspect of the present invention is: A tractor comprising the bonnet according to any one of claims 1 to 5.
- the upper cover is formed with a center line from the front end point to the middle point obliquely rearward, and includes two openings sandwiching the center line.
- the opening is arranged so that one side thereof is along the center line.
- the upper cover is formed with an outline extending laterally from the front end point. And an opening part is arrange
- the bonnet can maintain high rigidity because the outline portion functions as a beam (structural beam).
- the upper cover is formed with side lines so as to spread laterally from the midpoint. And an opening part is arrange
- the light unit is fitted into the lower cover.
- the opening is arranged so that one side thereof is along the end line of the light unit.
- a tractor according to the present invention includes the bonnet described in any one of claims 1 to 5. As a result, the tractor is superior to the conventional tractor in terms of the above points.
- FIG. X of FIG. The figure seen from the arrow Y of FIG.
- the figure seen from the arrow Z of FIG. The figure which shows a bonnet.
- the figure seen from the arrow X of FIG. The figure seen from the arrow Y of FIG.
- the figure seen from the arrow Z of FIG. The figure which shows the flow of the air in a bonnet.
- the figure seen from the arrow X of FIG. The figure seen from the arrow Y of FIG.
- the figure seen from the arrow Z of FIG. The figure which shows the internal structure of a bonnet.
- the technical idea of the present invention can be applied to all agricultural machine vehicles and construction machine vehicles.
- FIG. 1 shows the tractor 1. 2 is a view as seen from the arrow X in FIG. 1, and FIG. 3 is a view as seen from the arrow Y in FIG. FIG. 4 is a view seen from the arrow Z in FIG.
- the front-back direction, the left-right direction, and the up-down direction of the tractor 1 are represented.
- the tractor 1 mainly includes a chassis frame 11, an engine 12, a transmission 13, a front axle 14, and a rear axle 15.
- the tractor 1 is provided with a hood 2 that protects the engine 12 from wind and rain, as well as a cabin 16 that protects the operator from wind and rain.
- the chassis frame 11 forms the skeleton of the tractor 1.
- the engine 12 and the like described below are attached to the chassis frame 11.
- the engine 12 converts thermal energy obtained by burning fuel into kinetic energy. That is, the engine 12 generates rotational power by burning fuel.
- a control device is connected to the engine 12. When the operator operates the accelerator pedal, the control device changes the operating state of the engine 12 according to the operation. Further, the engine 12 is provided with an exhaust purification device 12E.
- the exhaust purification device 12E oxidizes particles (PM), carbon monoxide (CO), and hydrocarbons (HC) contained in the exhaust.
- the transmission 13 transmits the rotational power of the engine 12 to the front axle 14 and the rear axle 15.
- the rotational power of the engine 12 is input to the transmission 13 via a coupling mechanism.
- the transmission 13 is provided with a continuously variable transmission. When the operator operates the shift lever, the continuously variable transmission changes the operating state of the transmission 13 according to the operation.
- the front axle 14 transmits the rotational power of the engine 12 to the front tire 141.
- the rotational power of the engine 12 is input to the front axle 14 via the transmission 13.
- the front axle 14 is provided with a steering device. When the operator operates the steering wheel, the steering device changes the steering angle of the front tire 141 according to the operation.
- the rear axle 15 transmits the rotational power of the engine 12 to the rear tire 151.
- the rotational power of the engine 12 is input to the rear axle 15 via the transmission 13.
- the rear axle 15 is provided with a PTO output device. When the operator operates the switch, the PTO output device inputs rotational power to the towing work machine.
- FIG. 5 shows the bonnet 2. 6 is a view seen from an arrow X in FIG. 5, and FIG. 7 is a view seen from an arrow Y in FIG. FIG. 8 is a view seen from an arrow Z in FIG.
- the front-back direction, the left-right direction, and the up-down direction of the tractor 1 are represented.
- the bonnet 2 has an upper cover 21 and a pair of lower covers 22.
- the bonnet 2 has a front grille 23 on the front surface thereof.
- the upper cover 21 is an exterior part that covers the upper side of the engine 12.
- the upper cover 21 swells from the front end point Ua to the midpoint Ub obliquely rearward, and draws a smooth curve from the rear end point Uc behind the midpoint Ub. Further, the upper cover 21 extends from the front end point Ua to the side and draws a smooth curve (outline: hereinafter referred to as “outline OL”) having the side end point Uw as the maximum width portion.
- a character line (design line: hereinafter referred to as “center line CL”) is formed on the upper cover 21 from the front end point Ua to the middle point Ub, and the character line ( Design line: hereinafter referred to as “side line SL”).
- the opening 21ha is formed in a substantially rhombus shape on the left side of the center line CL, and the opening 21hb is formed in a substantially rhombus shape on the right side of the center line CL.
- the openings 21ha and 21hb are covered with a punching plate 21p.
- the lower cover 22 is an exterior part that covers the side of the engine 12.
- the lower cover 22 extends from the front end point La to the side and draws a smooth curve with the side end point Lw as the maximum width portion.
- the upper half of the lower cover 22 is based on a curved surface that bulges outward, whereas the lower half of the lower cover 22 is based on a curved surface that is recessed inward.
- the lower cover 22 is formed with a character line (design line: hereinafter referred to as “lower side line LL”) passing from the front end point La to the side end point Lw.
- the opening 22ha is formed in a substantially rhombus shape above the lower side line LL, and the opening 22hb is formed in a substantially rhombus shape below the lower side line LL.
- the openings 22ha and 22hb are covered with a punching plate 22p.
- the front grill 23 is an exterior part that covers the front of the engine 12.
- the front grill 23 has a structure in which a punching plate 23p is bonded to a grill frame 23f.
- the grill frame 23f includes beam portions 23fL and 23fR extending obliquely upward from the predetermined point Sp, and pillar portions 23fP extending downward from the predetermined point Sp.
- the beam portions 23fL and 23fR and the pillar portion 23fP are gradually narrowed away from the predetermined point Sp and connected to the frame portion 23fG.
- the opening 23ha is formed in a substantially rhombus shape on the left side of the pillar portion 23fP, and the opening 23hb is formed in a substantially rhombus shape on the right side of the pillar portion 23fP.
- the openings 23ha and 23hb are covered with a punching plate 23p.
- the punching plate 23p includes the range surrounded by the beam portion 23fL, the pillar portion 23fP, and the frame portion 23fG, and the beam portion 23fR, the pillar portion 23fP, and the frame portion 23fG. It covers three places in the range surrounded by.
- the upper both sides of the front grille 23 are formed in accordance with the shape of the high beam light unit 24. Further, both sides of the lower portion of the front grill 23 are formed in accordance with the shape of the low beam light unit 25.
- a substantially I-shaped center mark 31 is attached to the upper portion of the upper cover 21.
- a substantially Y-shaped front mask 32 is attached to the front surface of the front grill 23 so as to cover the beam portions 23fL and 23fR and the pillar portion 23fP.
- the center mark 31 and the front mask 32 are subjected to a glossy plating process. This is to incorporate a good design and make a strong impression on third parties.
- FIG. 9 shows the air flow in the bonnet 2.
- the front-back direction, the left-right direction, and the up-down direction of the tractor 1 are represented.
- the arrows Fa, Fb, and Fc in the figure represent the flow of air supplied from the outside of the bonnet 2 to the inside.
- An arrow Fd in the figure represents the flow of air discharged from the inside of the bonnet 2 to the outside. Arrows Fa, Fb, Fc, and Fd are shown in FIGS.
- the bonnet 2 is provided with a plurality of openings 21ha, 21hb, 22ha. Therefore, the bonnet 2 can pass air from the outside to the inside of the bonnet 2 or from the inside to the outside.
- the openings 21ha and 21hb are arranged with the center line CL interposed therebetween (see FIGS. 5 to 8).
- the openings 21ha and 21hb are formed to be large from the front surface to the side surface of the bonnet 2.
- the opening 21ha is formed in a substantially rhombus shape on the left side of the center line CL.
- the opening 21ha is designed such that its right side is along the center line CL and its lower side is along the outline OL.
- the opening 21ha is designed such that its upper side is along the side line SL and its left side is along the end line EL of the high beam light unit 24.
- the end line EL refers to a straight line extending upward along the rear edge shape of the high beam light unit 24 (see FIG. 7).
- the opening 21hb is formed in a substantially rhombus shape on the right side of the center line CL.
- the opening 21hb is designed such that its left side is along the center line CL and its lower side is along the outline OL.
- the opening 21ha is designed such that its upper side is along the side line SL and its right side is along the end line EL of the high beam light unit 24.
- the end line EL refers to a straight line extending upward along the rear edge shape of the high beam light unit 24 (see FIG. 7).
- the high beam light unit 24 is fitted in the upper front portion of the lower cover 22 and is designed to be long in the front-rear direction. Since the upper cover 21 does not support a structure such as the high beam light unit 24, the degree of freedom in design is high in providing an opening or the like. For this reason, in the present bonnet 2, the openings 21 ha and 21 hb are provided in the upper cover 21 and a large opening area is ensured.
- the upper cover 21 has the center line CL formed from the front end point Ua to the middle point Ub obliquely rearward, and includes the two openings 21ha and 21hb with the center line CL interposed therebetween.
- FIG. 10 is a view seen from an arrow X in FIG. 9, and FIG. 11 is a view seen from an arrow Y in FIG.
- FIG. 12 is a view as seen from an arrow Z in FIG.
- FIG. 13 shows the internal structure of the bonnet 2.
- the front-back direction, the left-right direction, and the up-down direction of the tractor 1 are represented.
- An engine 12 is housed in the bonnet 2.
- An air cleaner 12A, an intercooler 12I, an oil cooler 12O, and a radiator 12R are arranged in front of the engine 12.
- the air cleaner 12A is for filtering the air supplied to the engine 12.
- the air cleaner 12A filters the air by passing the air through the filter paper.
- the air cleaner 12A has a substantially cylindrical shape, and its central axis is attached in parallel to the left-right direction.
- the intercooler 12I cools the air pressurized by the turbocharger.
- the intercooler 12I cools the air by passing the air through a tube having a louver.
- the intercooler 12I has a substantially rectangular parallelepiped shape, and its core is attached perpendicular to the front-rear direction. In the tractor 1, the intercooler 12I is disposed behind the air cleaner 12A.
- the oil cooler 12O cools the lubricating oil heated by the engine 12.
- the oil cooler 120 cools the lubricating oil by passing the lubricating oil through a tube having a louver.
- the oil cooler 12O has a substantially rectangular parallelepiped shape, and its core is attached perpendicular to the front-rear direction. In the tractor 1, the oil cooler 12O is disposed in front of and below the intercooler 12I.
- the radiator 12R cools the refrigerant (cooling water) heated by the engine 12.
- the radiator 12R cools the refrigerant by passing the refrigerant through a tube having a louver.
- the radiator 12R has a substantially rectangular parallelepiped shape, and its core is attached perpendicular to the front-rear direction. In the tractor 1, the radiator 12R is disposed behind the intercooler 12I. A fan shroud 12S is attached to the radiator 12R.
- an adjustment plate 26 is disposed on the side of the radiator 12R. More specifically, a pair of left and right air volume adjustment plates 261 and 262 are arranged on the side of the radiator 12R.
- the air volume adjusting plate 261 is attached so as to cover the rear edge portions of the openings 22ha and 22hb provided in the right lower cover 22.
- the air volume adjusting plate 261 is disposed in front of the fan shroud 12S, and is configured to easily take an air flow (cooling air) into the fan shroud 12S. That is, the air volume adjusting plate 261 can prevent the air flow (cooling air) from staying on the side of the fan shroud 12S, and can efficiently induce the air flow (cooling air) to the suction portion of the fan shroud 12S.
- the air volume adjusting plate 262 is attached so as to cover the rear half of the opening 22 hb provided in the left lower cover 22.
- the air volume adjusting plate 262 is disposed in front of the fan shroud 12S and is configured to easily take an air flow (cooling air) into the fan shroud 12S. That is, the air volume adjusting plate 262 can prevent the air flow (cooling air) from staying on the side of the fan shroud 12S, and can efficiently induce the air flow (cooling air) to the suction portion of the fan shroud 12S.
- the air volume adjusting plate 262 is provided with a plurality of opening holes 262a, and the flow rate of the air flow (cooling air) is appropriately adjusted.
- a guide plate 27 is disposed on the side of the engine 12. More specifically, a pair of left and right lower guide plates 271 and 272 are arranged on the side of the engine 12. A lower guide plate 273 is disposed on the left side of the engine 12. Further, a side guide plate 274 is disposed on the left side of the engine 12.
- the lower guide plate 271 is attached so as to cover the open part from the upper end of the chassis frame 11 to the lower end of the engine cover 29.
- the lower guide plate 271 extends rearward from the lower side of the fan shroud 12 ⁇ / b> S and guides an air flow (cooling air) from the fan shroud 12 ⁇ / b> S to the engine 12. That is, the lower guide plate 271 can prevent the airflow (cooling air) from escaping from the gap between the chassis frame 11 and the engine cover 29, and can efficiently guide the airflow (cooling air) from the fan shroud 12S to the engine 12.
- the lower guide plate 271 is fixed to the upper surface of a bracket attached to the chassis frame 11.
- the lower guide plate 272 is attached so as to cover the open part from the upper end of the chassis frame 11 to the lower end of the engine cover 29.
- the lower guide plate 272 extends from the lower side of the fan shroud 12S to the rear side and guides an air flow (cooling air) from the fan shroud 12S to the engine 12. That is, the lower guide plate 272 can prevent the airflow (cooling air) from escaping from the gap between the chassis frame 11 and the engine cover 29, and can efficiently guide the airflow (cooling air) from the fan shroud 12S to the engine 12.
- the lower guide plate 272 is fixed to the upper surface of a bracket attached to the chassis frame 11.
- the lower guide plate 273 is attached so as to cover the open part from the upper end of the chassis frame 11 to the lower end of the engine cover 29.
- the lower guide plate 273 is configured to extend rearward from the front leg 11 ⁇ / b> S that supports the engine 12 and to guide an air flow (cooling air) along the side surface of the engine 12. That is, the lower guide plate 273 can prevent the airflow (cooling air) from escaping from the gap between the chassis frame 11 and the engine cover 29, and efficiently guides the airflow (cooling air) along the side surface of the engine 12. it can.
- the lower guide plate 273 is fixed to the upper surface of the front leg 11 ⁇ / b> S attached to the chassis frame 11.
- the side guide plate 274 is attached from the upper end of the chassis frame 11 so as to cover the space surrounded by the fan shroud 12S and the air hose 12H.
- the side guide plate 274 is configured to extend rearward from the lower side of the fan shroud 12S and guide the air flow (cooling air) from the fan shroud 12S to the engine 12. That is, the side guide plate 274 can rectify the air flow (cooling air) formed behind the fan shroud 12S, and can efficiently induce the air flow (cooling air) from the fan shroud 12S to the engine 12. .
- the side guide plate 274 is fixed to the upper surface of the lower guide plate 271 attached to the chassis frame 11.
- the air flow indicated by the arrow Fa passes through the openings 21ha and 21hb and is supplied to the inside.
- the air flow is guided to the periphery of the engine 12 by being guided by the fan shroud 12S and the guide plate 27.
- the air flow indicated by the arrow Fb passes through the openings 22ha and 22hb and is supplied to the inside.
- the air flow is guided to the periphery of the engine 12 by being guided by the adjustment plate 26, the fan shroud 12 ⁇ / b> S, and the guide plate 27.
- the air flow indicated by the arrow Fc passes through the openings 23ha and 23hb and is supplied to the inside.
- the air flow is guided to the periphery of the engine 12 by being guided by the adjustment plate 26, the fan shroud 12 ⁇ / b> S, and the guide plate 27. These air flows are guided along the engine 12 by the guide plate 27, and then are discharged to the outside through an open portion from the upper end of the chassis frame 11 to the lower end of the engine cover 29 ( (See arrow Fd). Further, the air flow passes through the engine cover 29 which is a punching plate and is discharged to the outside.
- a shielding plate 28 is disposed on the side of the engine 12. More specifically, a side shielding plate 281 is disposed on the left side of the engine 12.
- the side shielding plate 281 is attached so as to cover the turbocharger, the exhaust manifold, the exhaust communication pipe, and the EGR cooler that constitute the engine 12.
- the side shielding plate 281 extends widely so as to cover the turbocharger and the like, and is configured to keep the turbocharger and the like at a high temperature to prevent a reduction in regeneration capability in the exhaust purification device 12E. That is, the side shielding plate 281 can prevent heat from escaping from a turbocharger or the like, and can maintain the purification rate by setting the exhaust gas sent to the exhaust purification device 12E to a high temperature. Further, the side shielding plate 281 can reduce the thermal influence on the surroundings, and can prevent failure of a starter that is an electric device. Furthermore, it is possible to prevent the bonnet 6 from becoming high temperature and to prevent injuries such as burns.
- the side shielding plate 281 is fixed to a boss provided in the engine 12.
- FIG. 14 shows an enlarged view of the periphery of the openings 21ha and 21hb.
- the front-back direction, the left-right direction, and the up-down direction of the tractor 1 are represented.
- center line portion 21Fc The portion sandwiched between the two openings 21ha and 21hb is bent to form a center line CL. Therefore, such a portion (hereinafter referred to as “center line portion 21Fc”) has a larger value of the cross-sectional secondary moment and higher strength than the flat shape. Further, since the centerline portion 21Fc has a shape that is gently curved forward and upward, the load applied to the centerline portion 21Fc can be dispersed. That is, stress concentration at the end of the centerline portion 21Fc can be avoided.
- the opening 21ha of the bonnet 2 is adjacent to the center line portion 21Fc having high strength. That is, the opening 21ha is arranged so that the right side thereof is along the center line CL.
- the opening 21hb is adjacent to the center line portion 21Fc having high strength. That is, the opening 21hb is arranged so that the left side thereof is along the center line CL.
- the openings 21ha and 21hb are arranged so that one side thereof is along the center line CL.
- the centerline part 21Fc functions as a pillar (structural pillar), this bonnet 2 can maintain high rigidity.
- each opening is bent to form an outline OL. Therefore, such a portion (hereinafter referred to as “outline portion 21Fo”) has a larger value of the cross-sectional secondary moment and higher strength than a flat shape. Further, since the outline portion 21Fo has a shape gently curved toward the front side, the load applied to the outline portion 21Fo can be dispersed. That is, stress concentration at the end of the outline portion 21Fo can be avoided.
- the opening 21ha of the bonnet 2 is adjacent to the outline portion 21Fo having high strength. That is, the opening 21ha is arranged so that the lower side thereof is along the outline OL.
- the opening 21hb is adjacent to the outline portion 21Fo having high strength. That is, the opening 21hb is arranged such that the lower side thereof is along the outline OL.
- the openings 21ha and 21hb are arranged so that one side thereof is along the outline OL.
- this bonnet 2 can maintain high rigidity.
- each opening is bent to form a side line SL. Therefore, such a portion (hereinafter referred to as “side line portion 21Fs”) has a larger value of the cross-sectional secondary moment and higher strength than the flat shape. Further, since the side line portion 21Fs has a shape that is gently curved toward the front side, the load applied to the side line portion 21Fs can be dispersed. That is, stress concentration at the end of the side line portion 21Fs can be avoided.
- the opening 21ha of the bonnet 2 is adjacent to the side line portion 21Fs having high strength. That is, the opening 21ha is arranged such that the upper side thereof is along the side line SL.
- the opening 21hb is adjacent to the side line portion 21Fs having high strength. That is, the opening 21hb is arranged so that the upper side thereof is along the side line SL.
- the openings 21ha and 21hb are arranged so that one side thereof is along the side line SL.
- the side line part 21Fs fulfill
- this bonnet 2 can maintain high rigidity.
- the present invention can be used for bonnet technology.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
アッパーカバーと、
一対のロワカバーと、を有するトラクタのボンネットにおいて、
前記アッパーカバーは、前端点から斜め後方の中点に至るまでセンターラインが形成され、該センターラインを挟んで二つの開口部を備える、としたものである。
前記開口部は、その一辺が前記センターラインに沿うように配置される、としたものである。
前記アッパーカバーに前記前端点から側方に広がるようにアウトラインが形成され、
前記開口部は、その一辺が前記アウトラインに沿うように配置される、としたものである。
前記アッパーカバーに前記中点から側方に広がるようにサイドラインが形成され、
前記開口部は、その一辺が前記サイドラインに沿うように配置される、としたものである。
前記ロワカバーにライトユニットが嵌め込まれ、
前記開口部は、その一辺が前記ライトユニットのエンドラインに沿うように配置される、としたものである。
請求項1から請求項5のいずれか一項に記載のボンネットを備えたトラクタ、である。
11 シャシフレーム
12 エンジン
13 トランスミッション
14 フロントアクスル
15 リヤアクスル
16 キャビン
2 ボンネット
21 アッパーカバー
21ha 開口部
21hb 開口部
21Fc センターライン部分
21Fo アウトライン部分
21Fs サイドライン部分
22 ロワカバー
23 フロントグリル
CL センターライン
OL アウトライン
SL サイドライン
Claims (6)
- アッパーカバーと、
一対のロワカバーと、を有するトラクタのボンネットにおいて、
前記アッパーカバーは、前端点から斜め後方の中点に至るまでセンターラインが形成され、該センターラインを挟んで二つの開口部を備える、ことを特徴とするトラクタのボンネット。 - 前記開口部は、その一辺が前記センターラインに沿うように配置される、ことを特徴とする請求項1に記載のトラクタのボンネット。
- 前記アッパーカバーに前記前端点から側方に広がるようにアウトラインが形成され、
前記開口部は、その一辺が前記アウトラインに沿うように配置される、ことを特徴とする請求項1又は請求項2に記載のトラクタのボンネット。 - 前記アッパーカバーに前記中点から側方に広がるようにサイドラインが形成され、
前記開口部は、その一辺が前記サイドラインに沿うように配置される、ことを特徴とする請求項1から請求項3のいずれか一項に記載のトラクタのボンネット。 - 前記ロワカバーにライトユニットが嵌め込まれ、
前記開口部は、その一辺が前記ライトユニットのエンドラインに沿うように配置される、ことを特徴とする請求項1から請求項4のいずれか一項に記載のトラクタのボンネット。 - 請求項1から請求項5のいずれか一項に記載のボンネットを備えたトラクタ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015552953A JP6109341B2 (ja) | 2014-10-24 | 2015-10-21 | トラクタのボンネットの構造 |
US15/521,457 US10377424B2 (en) | 2014-10-24 | 2015-10-21 | Tractor bonnet |
EP15851688.0A EP3210858B1 (en) | 2014-10-24 | 2015-10-21 | Tractor bonnet |
KR1020177013829A KR101943777B1 (ko) | 2014-10-24 | 2015-10-21 | 트랙터의 보닛 |
CN201580057779.3A CN107107964A (zh) | 2014-10-24 | 2015-10-21 | 拖拉机的机罩 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-217862 | 2014-10-24 | ||
JP2014217862 | 2014-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016063927A1 true WO2016063927A1 (ja) | 2016-04-28 |
Family
ID=55760958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/079754 WO2016063927A1 (ja) | 2014-10-24 | 2015-10-21 | トラクタのボンネット |
Country Status (6)
Country | Link |
---|---|
US (1) | US10377424B2 (ja) |
EP (1) | EP3210858B1 (ja) |
JP (1) | JP6109341B2 (ja) |
KR (1) | KR101943777B1 (ja) |
CN (1) | CN107107964A (ja) |
WO (1) | WO2016063927A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107107964A (zh) * | 2014-10-24 | 2017-08-29 | 洋马株式会社 | 拖拉机的机罩 |
USD976968S1 (en) * | 2019-03-22 | 2023-01-31 | Deere & Company | Work vehicle hood |
JP2022101318A (ja) * | 2020-12-24 | 2022-07-06 | 株式会社クボタ | 作業車 |
KR20240050756A (ko) | 2022-10-12 | 2024-04-19 | 엘에스엠트론 주식회사 | 농업용 작업 차량 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010274894A (ja) * | 2009-06-01 | 2010-12-09 | Mitsubishi Agricult Mach Co Ltd | 作業車輌 |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3628622A (en) * | 1969-06-30 | 1971-12-21 | Maschf Augsburg Nuernberg Ag | Engine hood for a truck |
DE3621915A1 (de) * | 1986-06-30 | 1988-01-07 | Deere & Co | Aufhaengung eines schwenkteils |
USD310374S (en) * | 1988-03-31 | 1990-09-04 | Deere & Company | Tractor for lawns, gardens, or the like |
US4889203A (en) * | 1988-08-12 | 1989-12-26 | J. I. Case Company | Composite engine enclosure |
USD381341S (en) * | 1995-07-17 | 1997-07-22 | Deere & Company | Outer surface of a tractor hood |
US5645133A (en) * | 1995-07-17 | 1997-07-08 | Deere & Company | Pivotable hood structure |
IT1311365B1 (it) * | 1999-12-17 | 2002-03-12 | New Holland Italia Spa | Cofano per macchine movimento terra. |
US6447152B1 (en) * | 2000-05-24 | 2002-09-10 | Deere & Company | Wide-angle headlighting and sidelighting assembly |
US6401851B1 (en) * | 2000-09-14 | 2002-06-11 | Deere & Company | Hood assembly |
CA2361045A1 (en) | 2000-11-03 | 2002-05-03 | Ron Bergman | Air intake system for a vehicle |
USD466531S1 (en) * | 2001-09-13 | 2002-12-03 | Deere & Company | Hood surface |
JP3801475B2 (ja) * | 2001-09-21 | 2006-07-26 | 株式会社クボタ | 芝刈り機の冷却用空気取り入れ構造 |
US6910545B2 (en) * | 2001-10-19 | 2005-06-28 | Deere & Co. | Hinge assembly for utility vehicle hood |
JP4456919B2 (ja) * | 2004-04-16 | 2010-04-28 | 株式会社クボタ | トラクタのボンネット構造 |
US7213667B2 (en) * | 2004-10-29 | 2007-05-08 | Deere & Company | Air intake |
USD537454S1 (en) * | 2005-08-10 | 2007-02-27 | Kubota Corporation | Tractor |
JP4847073B2 (ja) * | 2005-08-29 | 2011-12-28 | ヤンマー株式会社 | トラクタ |
JP5435965B2 (ja) | 2009-01-15 | 2014-03-05 | ヤンマー株式会社 | トラクタ |
GB201104158D0 (en) | 2011-03-11 | 2011-04-27 | Agco Int Gmbh | Engine hood arrangement |
US8800703B2 (en) * | 2011-07-26 | 2014-08-12 | Paccar Inc | Hood mount assembly |
CN104903182B (zh) * | 2012-10-15 | 2017-11-28 | 胡斯华纳有限公司 | 户外动力设备机罩铰链 |
US20140231161A1 (en) * | 2013-02-15 | 2014-08-21 | GM Global Technology Operations LLC | Active hood extractor |
JP6096616B2 (ja) * | 2013-07-24 | 2017-03-15 | ヤンマー株式会社 | トラクター |
JP6132799B2 (ja) * | 2014-03-28 | 2017-05-24 | ヤンマー株式会社 | 作業車両 |
JP1514791S (ja) * | 2014-06-12 | 2017-12-25 | ||
US10689039B2 (en) * | 2014-06-30 | 2020-06-23 | Yanmar Co., Ltd. | Hood and tractor equipped with hood |
CN107107964A (zh) * | 2014-10-24 | 2017-08-29 | 洋马株式会社 | 拖拉机的机罩 |
US10059192B2 (en) * | 2015-06-17 | 2018-08-28 | Cnh Industrial America Llc | System and method for adjusting air flow in an engine compartment of an off-road vehicle |
JP6448507B2 (ja) * | 2015-10-20 | 2019-01-09 | ヤンマー株式会社 | 作業車両 |
-
2015
- 2015-10-21 CN CN201580057779.3A patent/CN107107964A/zh active Pending
- 2015-10-21 US US15/521,457 patent/US10377424B2/en active Active
- 2015-10-21 KR KR1020177013829A patent/KR101943777B1/ko active IP Right Grant
- 2015-10-21 EP EP15851688.0A patent/EP3210858B1/en active Active
- 2015-10-21 JP JP2015552953A patent/JP6109341B2/ja active Active
- 2015-10-21 WO PCT/JP2015/079754 patent/WO2016063927A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010274894A (ja) * | 2009-06-01 | 2010-12-09 | Mitsubishi Agricult Mach Co Ltd | 作業車輌 |
Also Published As
Publication number | Publication date |
---|---|
EP3210858A4 (en) | 2017-10-18 |
US10377424B2 (en) | 2019-08-13 |
KR20170071605A (ko) | 2017-06-23 |
JPWO2016063927A1 (ja) | 2017-04-27 |
JP6109341B2 (ja) | 2017-04-05 |
CN107107964A (zh) | 2017-08-29 |
EP3210858A1 (en) | 2017-08-30 |
US20170313362A1 (en) | 2017-11-02 |
KR101943777B1 (ko) | 2019-01-29 |
EP3210858B1 (en) | 2019-08-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6109341B2 (ja) | トラクタのボンネットの構造 | |
US8827029B1 (en) | Bulldozer | |
US11292335B2 (en) | Working vehicle | |
JP5944263B2 (ja) | トラクタ | |
KR102089930B1 (ko) | 작업 차량 | |
WO2016002552A1 (ja) | ボンネット及びボンネットを備えるトラクタ | |
JP2016124428A (ja) | 作業車 | |
KR102227899B1 (ko) | 작업 차량 | |
WO2015147232A1 (ja) | 作業車両 | |
JP6297518B2 (ja) | トラクタ | |
JP6283621B2 (ja) | 作業車両 | |
WO2016157651A1 (ja) | 作業車両 | |
JP6295143B2 (ja) | トラクタ | |
JP2014159788A (ja) | トラクタ | |
JP6202748B2 (ja) | 作業車両 | |
JP2015189395A (ja) | 作業車両 | |
JP2016013718A (ja) | トラクタのボンネット | |
JP6309347B2 (ja) | トラクタ | |
JP2016013717A (ja) | トラクタのボンネット | |
JP2016013719A (ja) | トラクタのボンネット | |
JP2016013716A (ja) | トラクタのボンネット |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2015552953 Country of ref document: JP Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15851688 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15521457 Country of ref document: US |
|
REEP | Request for entry into the european phase |
Ref document number: 2015851688 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20177013829 Country of ref document: KR Kind code of ref document: A |