CN110588868A - 一种跨骑式车辆及其发动机布置结构 - Google Patents

一种跨骑式车辆及其发动机布置结构 Download PDF

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CN110588868A
CN110588868A CN201911029709.3A CN201911029709A CN110588868A CN 110588868 A CN110588868 A CN 110588868A CN 201911029709 A CN201911029709 A CN 201911029709A CN 110588868 A CN110588868 A CN 110588868A
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engine
straddle
type vehicle
frame
arrangement structure
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赖民杰
陈志勇
李前进
何安
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Zhejiang CFMOTO Power Co Ltd
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Zhejiang CFMOTO Power Co Ltd
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Application filed by Zhejiang CFMOTO Power Co Ltd filed Critical Zhejiang CFMOTO Power Co Ltd
Priority to CN201911029709.3A priority Critical patent/CN110588868A/zh
Publication of CN110588868A publication Critical patent/CN110588868A/zh
Priority to US17/599,416 priority patent/US20220250704A1/en
Priority to AU2020373949A priority patent/AU2020373949B2/en
Priority to DE202020005858.0U priority patent/DE202020005858U1/de
Priority to CN202090000497.6U priority patent/CN216140128U/zh
Priority to PCT/CN2020/124543 priority patent/WO2021083240A1/zh
Priority to EP20881094.5A priority patent/EP3939872B1/en
Priority to EP23162765.4A priority patent/EP4219279A1/en
Priority to US17/465,535 priority patent/US11332211B2/en
Priority to US17/738,893 priority patent/US11919603B2/en
Priority to AU2022100137A priority patent/AU2022100137A4/en
Priority to US18/595,190 priority patent/US20240208599A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/01—Motorcycles with four or more wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/063—Arrangement of tanks
    • B60K15/067—Mounting of tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/04—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, transversely to the longitudinal centre line of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J35/00—Fuel tanks specially adapted for motorcycles or engine-assisted cycles; Arrangements thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J40/00—Arrangements of air cleaners specially adapted for cycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/20—Arrangements of batteries characterised by the mounting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/30—Arrangements of batteries for providing power to equipment other than for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
    • B62K11/02—Frames
    • B62K11/04—Frames characterised by the engine being between front and rear wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F01N3/2885—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with exhaust silencers in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • B60Y2200/124—Buggies, Quads
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/04—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for motorcycles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

本发明公开了一种跨骑式车辆及其发动机布置结构，包括固定在机架上的发动机，发动机上设置缸头的一侧靠近机架的后端，且缸头上用于连接排气管的连接口朝向机架的后端。该发动机布置结构通过将缸头布置在发动机靠近机架的后端的一侧，并且缸头上对应与排气管连接的连接口朝向机架的后端布置，从而使得排气管及其消音器结构不需要贯穿整个车辆，并且位于机架中部的驾驶员的跨骑位置没有排气管经过，从而使得驾驶员的跨骑位置的温感明显降低，提升了驾驶者的驾车体验。

Description

一种跨骑式车辆及其发动机布置结构
技术领域
本发明涉及跨骑式车辆技术领域，尤其涉及一种跨骑式车辆及其发动机布置结构。
背景技术
目前，全地形车辆越来越受到广大消费者欢迎，其中，跨骑式车辆就是其中之一，该种车辆所采用的发动机一般均为单缸发动机。现有的跨骑式车辆的发动机布置方式，多为发动机的缸头靠近前部布置。该种布置方式导致排气管及消音器需要贯穿整个车辆，从而使得跨骑在车辆上靠近驾驶员身体的部位，尤其是靠近腿部的位置温度会较高，从而降低了驾驶者的驾车体验。
综上所述，如何提升驾驶者对于跨骑式车辆的驾车体验的问题已经成为本领域技术人员亟需解决的技术难题。
发明内容
本发明的目的是提供一种跨骑式车辆及其发动机布置结构，以提升驾驶者对于跨骑式车辆的驾车体验。
为了实现上述目的，本发明提供了一种跨骑式车辆的发动机布置结构，包括固定在机架上的发动机，所述发动机上设置缸头的一侧靠近所述机架的后端，且所述缸头上用于连接排气管的连接口朝向所述机架的后下端。
优选地，所述排气管上设置有管式消音器，所述管式消音器包括进气口和出气口，所述进气口设置在所述管式消音器的周向壁的中间位置。
优选地，所述出气口设置在所述管式消音器的周向壁的后端。
优选地，所述管式消音器包括管筒体，所述管筒体的中间部位设置有与所述进气口直接连通的进气腔室、位于所述进气腔室的前端的前消音腔室和位于所述进气腔室的后端的后消音腔室，所述进气腔室与所述前消音腔室连通，所述前消音腔室与所述后消音腔室通过连接管路连通，所述出气口与所述后消音腔室连通。
优选地，所述前消音腔室和所述后消音腔室的内部均设置有多孔形吸引结构。
优选地，所述机架上对应所述发动机的底部位置设置有用于固定所述发动机的连接位。
优选地，所述连接位包括靠近所述机架的前端布置的前连接位和靠近所述机架的后端布置的后连接位。
优选地，所述前连接位和/或所述后连接位的连接平面与所述发动机的底部平面呈预设倾角。
优选地，所述预设倾角为15°-45°。
相比于背景技术介绍内容，上述跨骑式车辆的发动机布置结构，包括固定在机架上的发动机，发动机上设置缸头的一侧靠近机架的后端，且缸头上用于连接排气管的连接口朝向机架的后端。该发动机布置结构通过将缸头布置在发动机靠近机架的后端的一侧，并且缸头上对应与排气管连接的连接口朝向机架的后端布置，从而使得排气管及其消音器结构不需要贯穿整个车辆，并且位于机架中部的驾驶员的跨骑位置没有排气管经过，从而使得驾驶员的跨骑位置的温感明显降低，提升了驾驶者的驾车体验。
另外，本发明还提供了一种跨骑式车辆，该跨骑式车辆包括上述任一方案所描述的发动机布置结构。由于上述跨骑式车辆的发动机布置结构具有上述技术效果，因此具有上述发动机布置结构的跨骑式车辆也应具有相应的技术效果，在此不再赘述。
附图说明
图1为本发明实施例提供的跨骑式车辆的发动机布置结构的主视结构示意图；
图2为本发明实施例提供的跨骑式车辆的发动机布置结构的俯视结构示意图；
图3为本发明实施例提供的管式消音器的侧视结构示意图；
图4为本发明实施例提供的管式消音器的俯视结构示意图；
图5为本发明实施例提供的管式消音器的内部结构示意图。
上图1-图5中，
机架1、发动机2、缸头3、排气管4、管式消音器5、多孔形吸引结构500、进气腔室501、前消音腔室502、后消音腔室503、连接管路504、进气口6、出气口7、连接位8、前连接位9、后连接位10、方向把11、安装位12。
具体实施方式
本发明的核心是提供一种跨骑式车辆及其发动机布置结构，以提升驾驶者对于跨骑式车辆的驾车体验。
为了使本领域的技术人员更好地理解本发明提供的技术方案，下面将结合附图和具体实施例对本发明作进一步的详细说明。
如图1-图5所示，本发明实施例提供的一种跨骑式车辆的发动机布置结构，包括机架1和固定在机架1上的发动机2，发动机2上设置缸头3的一端朝向机架1的后端，且缸头3上用于连接排气管4的连接口朝向机架1的后端。
该发动机布置结构通过将缸头布置在发动机靠近机架的后端的一侧，并且缸头上对应与排气管连接的连接口朝向机架的后端布置，从而使得排气管及其消音器结构不需要贯穿整个车辆，并且位于机架中部的驾驶员的跨骑位置没有排气管经过，从而使得驾驶员的跨骑位置的温感明显降低，提升了驾驶者的驾车体验。
这里需要说明的是，对于本领域技术人员来说，跨骑式车辆一般均为单缸发动机，而且单缸发动机的缸头连接有排气管，通过排气管将废气排出。
在一些更具体的实施方案中，由于缸头布置在发动机朝向机架的后端一侧，并且缸头与排气管的连接口同样朝向机架的后端，从而导致消音器的布置空间缩小，因此为了满足消音器的空间布置，上述排气管4上设置消音器的结构形式优选采用管式消音器5，该管式消音器5包括进气口6和出气口7，并且该管式消音器5的进气口6设置在管式消音器的周向壁的中间位置。从而能够有效的节约消音器的布置空间。
进一步的实施方案中，上述管式消音器5的出气口7优选布置在管式消音器5的周向壁的后下端。通过将出气口7布置在管式消音器的周向壁的后下端，能够避免雨雪天气雨水等通过出气口进入管式消音器内部而影响管式消音器的正常使用寿命。当然可以理解的是，上述将出气口7布置在管式消音器的周向壁的后下端的方式仅仅是本发明实施例的优选举例而已，实际应用过程中，还可以采用将出气口7布置在管式消音器5的后端端面的位置，又或者根据需求选择布置在其他位置。
这里需要说明的是，如图5所示，上述管式消音器5包括管筒体51，管筒体51的中间部位设置有与进气口6直接连通的进气腔室501、位于进气腔室501的前端的前消音腔室502和位于进气腔室501的后端的后消音腔室503，进气腔室501与前消音腔室502连通，前消音腔室502与后消音腔室503通过连接管路504连通，出气口7与后消音腔室503连通。通过上述管式消音器的结构，其排气气路为尾气从进气口6进入进气腔室501中，然后进入前消音腔室502进行初步消音，然后通过连接管路504将前消音腔室502内的尾气导入后消音腔室503中进行再次消音，最后由后消音腔室503上连接的出气口7将尾气排出。通过上述结构的管式消音器，能够保证节约消音器的布置空间外，并且采用双次消音结构还能够更好的增强消音器的消音效果。还需要说明的是管式消音器的管筒体的顶部一般还设置有用于方便安装至车体上的安装位12，该安装位的具体结构可以采用双吊耳的结构，又或者是本领域技术人员常用的其他结构形式，在此不做具体的限定。并且管筒体的筒壁上一般还会设置有消音材料的夹层结构，从而保证消音器的良好消音效果。筒壁的具体结构可以是双层不锈钢的结构，双层不锈钢板的中间填充消音棉等消音材料。另外，还需要说明的是，前消音腔室502和后消音腔室503的内部均一般设置有多孔形吸引结构500，对于多孔形吸引结构来说属于本领域技术人员所熟知的现有技术，在此不再对其具体结构一一描述。
在一些更具体的实施方案中，上述机架1上对应发动机2的底部位置设置有用于固定发动机2的连接位8。当然可以理解的是，上述将连接位设置在对应发动机底部的方式仅仅是本发明实施例的优选举例而已，实际应用过程中，还可以根据实际需求选择设置在其他位置。
更进一步的实施方案中，上述连接位8包括靠近机架1的前端布置的前连接位9和靠近机架1的后端布置的后连接位10。并且为了使得发动机1固定在机架1上的稳定性更好，避免发动机1相对机架1发生横向移动。上述前连接位9和/或后连接位10的连接平面与发动机2的底部平面呈预设倾角。通过设置预设的倾斜角度，连接位的链接平面通过倾斜平面支撑实现支撑固定发动机的同时实现发动机相对机架的横向限位，使得横向限位更加稳定可靠。
进一步的技术方案中，上述预设倾角一般优选为15°-45°。当然可以理解的是，上述仅仅是对于预设倾角的具体数值的优选举例而已，实际应用过程中，还可以根据实际需求选择其他预设角度值。
另外，本发明还提供了一种跨骑式车辆，该跨骑式车辆包括上述任一方案所描述的发动机布置结构。由于上述跨骑式车辆的发动机布置结构具有上述技术效果，因此具有上述发动机布置结构的跨骑式车辆也应具有相应的技术效果，在此不再赘述。
以上对本发明所提供的跨骑式车辆及发动机布置结构进行了详细介绍。需要说明的是，本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
还需要说明的是，在本文中，诸如术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括上述要素的物品或者设备中还存在另外的相同要素。
本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (10)

1.一种跨骑式车辆的发动机布置结构，包括固定在机架(1)上的发动机(2)，其特征在于，所述发动机(2)上设置缸头(3)的一侧靠近所述机架(1)的后端，且所述缸头(3)上用于连接排气管(4)的连接口朝向所述机架(1)的后端。
2.如权利要求1所述的跨骑式车辆的发动机布置结构，其特征在于，所述排气管(4)上设置有管式消音器(5)，所述管式消音器(5)包括进气口(6)和出气口(7)，所述进气口(6)设置在所述管式消音器的周向壁的中间位置。
3.如权利要求2所述的跨骑式车辆的发动机布置结构，其特征在于，所述出气口(7)设置在所述管式消音器(5)的周向壁的后下端。
4.如权利要求3所述的跨骑式车辆的发动机布置结构，其特征在于，所述管式消音器(5)包括管筒体(51)，所述管筒体(51)的中间部位设置有与所述进气口(6)直接连通的进气腔室(501)、位于所述进气腔室(501)的前端的前消音腔室(502)和位于所述进气腔室(501)的后端的后消音腔室(503)，所述进气腔室(501)与所述前消音腔室(502)连通，所述前消音腔室(502)与所述后消音腔室(503)通过连接管路(504)连通，所述出气口(7)与所述后消音腔室(503)连通。
5.如权利要求4所述的跨骑式车辆的发动机布置结构，其特征在于，所述前消音腔室(502)和所述后消音腔室(503)的内部均设置有多孔形吸引结构(500)。
6.如权利要求1-5中任一项所述的跨骑式车辆的发动机布置结构，其特征在于，所述机架(1)上对应所述发动机(2)的底部位置设置有用于固定所述发动机(2)的连接位(8)。
7.如权利要求6所述的跨骑式车辆的发动机布置结构，其特征在于，所述连接位(8)包括靠近所述机架(1)的前端布置的前连接位(9)和靠近所述机架(1)的后端布置的后连接位(10)。
8.如权利要求7所述的跨骑式车辆的发动机布置结构，其特征在于，所述前连接位(9)和/或所述后连接位(10)的连接平面与所述发动机(2)的底部平面呈预设倾角。
9.如权利要求8所述的跨骑式车辆的发动机布置结构，其特征在于，所述预设倾角为15°-45°。
10.一种跨骑式车辆，其特征在于，所述跨骑式车辆包括如权利要求1-9中任一项所述的发动机布置结构。
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CN210653498U (zh) * 2019-10-28 2020-06-02 浙江春风动力股份有限公司 一种跨骑式车辆及其发动机布置结构

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WO2021083240A1 (zh) * 2019-10-28 2021-05-06 浙江春风动力股份有限公司 一种跨骑式车辆
US11332211B2 (en) 2019-10-28 2022-05-17 Zhejiang CFMOTO Power Co., Ltd. Straddle-type vehicle
EP3939872B1 (en) 2019-10-28 2023-03-29 Zhejiang CFMOTO Power Co., Ltd. Straddle-type vehicle
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CN112455581A (zh) * 2020-10-28 2021-03-09 浙江春风动力股份有限公司 一种跨骑式全地形车

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US11919603B2 (en) 2024-03-05
EP3939872A4 (en) 2022-10-26
CN216140128U (zh) 2022-03-29
US11332211B2 (en) 2022-05-17
EP3939872B1 (en) 2023-03-29
EP4219279A1 (en) 2023-08-02
US20240208599A1 (en) 2024-06-27
WO2021083240A1 (zh) 2021-05-06
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