CN207737424U - engine and motorcycle - Google Patents

Abstract

The utility model provides a kind of engine and motorcycle, the technical field for the equipment that is related to riding.Engine includes that left crankcase, transmission component and inside are reversed gear structure；Left crankcase is equipped with interconnecting piece, the first connecting hole and the first mounting groove, and transmission component is connect by interconnecting piece with left crankcase, and the input terminal of transmission component and the main shaft of engine connect, and the gear of the output end of transmission component and internal structure of reversing gear is connect；Reverse gear one end of structure of inside is connect across the first connecting hole with left crankcase, the reverse gear other end of structure of inside is pierced by the driving axis connection of the first mounting groove and wheel, one end of the internal structure of reversing gear of control, so that inside is reversed gear, structure is shifted gears, the output end of transmission component driven under the drive of engine spindle inside reverse gear structure the other end rotation, realize engine forward or backward movement.Solves the technical problem that structure of reversing gear in the prior art is located at outside engine.The structure of reversing gear of the utility model is that user's use brings safety.

Description

Engine and motorcycle

Technical field

The utility model is related to the technical fields for equipment of riding, more particularly, to a kind of engine and motorcycle.

Background technology

Engine is not only suitable for power generating apparatus, also can refer to include power plant entire machine, be a kind of other The machine that can be converted into kinetic energy of form can be divided into internal combustion engine, outer according to the difference of its energy conversion and the difference of reformulations Combustion engine and motor etc..Engine is the critical piece that power is provided for devices such as automobile, motorcycles, and the generation of engine is The generation of the vehicles is provided convenience, and the production model of the mankind is changed.

Motorcycle engine is applied in motor tricycle and four-wheel motor cycle, and the output shaft of the engine of motorcycle is usual It is vertically arranged between the connecting shaft of wheel, reverse gear mechanism is set between the engine output shaft and rear axle of engine, utilized The power of engine output shaft is transformed into the connecting shaft of wheel by reverse gear mechanism, and the driving to bike wheel is realized with this, It realizes moving ahead for motorcycle, the setting of reverse gear mechanism, while ensure that the safety trip of people.

But the reverse gear mechanism of the engine of existing motorcycle is generally arranged at the side of motorcycle, thus can to send out The power of motivation output shaft is offset to certain part of motorcycle rear axle, and the torque of engine left and right wheels received is caused to differ It causes, the left and right wheels discontinuity in ride, increases the security risk during people's trip, and external fall Retaining device is also required to be fabricated separately, and structure is more complex, increases the production cost of motorcycle, and economy is increased to enterprise and user Burden.

Utility model content

The purpose of this utility model is to provide a kind of engines, existing in the prior art to solve, and motorcycle falls Structure setting is kept off in the outside of engine, causes the torque of engine left and right wheels received inconsistent, in ride Left and right wheels discontinuity increases the security risk during people's trip, and external reverse gear mechanism is also required to list It solely makes, structure is more complex, increases the production cost of motorcycle, and the technology that financial burden is increased to enterprise and user is asked Topic.

The utility model additionally provides a kind of motorcycle, existing in the prior art to solve, the structure of reversing gear of motorcycle It is arranged in the outside of engine, causes the torque of engine left and right wheels received inconsistent, the left and right vehicle in ride Discontinuity is taken turns, increases the security risk during people's trip, and external reverse gear mechanism is also required to be fabricated separately, Structure is more complex, the technical issues of increasing the production cost of motorcycle, financial burden is increased to enterprise and user.

A kind of engine provided by the utility model, including left crankcase, transmission component and inside are reversed gear structure；

The left crankcase is equipped with interconnecting piece and the first connecting hole, the left bent axle along the direction that engine power exports The vertical direction of case upper edge wheel drive shaft is equipped with the first mounting groove, and first mounting groove is located at first connecting hole Lower section, the transmission component are connect by the interconnecting piece with the left crankcase, the input terminal of the transmission component with it is described The main shaft of engine is connected by transmission group, and the reverse gear gear of structure of the output end of the transmission component and the inside is connect；

Reverse gear one end of structure of the inside is connect across the first connecting hole with the left crankcase, and reverse gear knot for the inside The other end of structure is pierced by the driving axis connection of first mounting groove and the wheel, controls the inside and reverses gear the one of structure End, so that the inside is reversed gear, structure is shifted gears, and the output end of the transmission component drives under the drive of the engine spindle The inside reverse gear structure the other end rotation, realize engine forward or backward movement.

Further, structure is reversed gear including stirring unit, shift fork and gear shift unit in the inside；

Described one end for stirring unit is vacantly arranged, and the other end for stirring unit passes through first connecting hole and institute One end connection of shift fork is stated, one end of the gear shift unit passes through the driving axis connection of first mounting groove and wheel, described The other end of gear shift unit is connected in first mounting groove, and the other end of the shift fork is connect with the gear shift unit, is pressed One end of unit is stirred described in pressure so that the shift fork drives the gear shift unit to shift gears under the drive for stirring unit, So that engine realizes the movement moved forward or back.

Further, the gear shift unit includes output shaft and shift component；

The shift component is socketed on the output shaft, and one end of the output shaft passes through first mounting groove and vehicle The other end of the driving axis connection of wheel, the shift component and the output shaft is connected in first mounting groove, presses institute State the one end for stirring unit so that the shift fork drives the shift component to shift gears under the drive for stirring unit, so that Engine realizes the movement moved forward or back.

Further, the unit of stirring includes reverse gear shifting shaft and operation portion；

The operation portion is connect with one end of the reverse gear shifting shaft, the other end of the reverse gear shifting shaft with it is described One end of shift fork connects, and presses the operation portion so that the shift fork drives under the drive that the reverse gear shifting shaft rotates The shift component shift, so that engine realizes the movement moved forward or back.

Further, the shift component includes advance tooth, clutch teeth and the tooth that reverses gear；

The advance tooth is connected to the side of the clutch teeth, and the tooth that reverses gear is connected to the another of the clutch teeth Side, the other end of the shift fork are connect with the clutch teeth, and the shift fork can drive the clutch teeth along the output Axis moves, so that the clutch teeth and the advance tooth or tooth engagement of reversing gear, so that engine realizes the fortune moved forward or back It is dynamic.

Further, the transmission component includes countershaft, gear set and bevel gear shaft, and the interconnecting piece includes the second connection Hole and the second mounting groove；

Second connecting hole is located at the top of second mounting groove, second mounting groove and first mounting groove Connection, second mounting groove are located at the lower section of first connecting hole, and one end of the countershaft and the main shaft of engine pass through Transmission group connects, and the other end of the countershaft passes through second connecting hole to connect by one end of gear set and the bevel gear shaft It connects, the bevel gear shaft is connected in second mounting groove, and the other end of the bevel gear shaft and the inside are reversed gear structure Connection, the transmission component rotate under the drive of engine spindle, so that the inside is reversed gear, the other end of structure is described The drive shaft of the drive lower band motor car wheel of transmission component rotates.

Further, the other end of the bevel gear shaft is equipped with bevel gear, the side of the bevel gear and the advance tooth Engagement, the other side of the bevel gear and the tooth engagement of reversing gear, so that the bevel gear is under the drive of the bevel gear shaft The output shaft is driven to rotate.

Further, the clutch teeth includes first clutch teeth, second clutch tooth and interconnecting piece；

The side of the first clutch teeth and interconnecting piece connects, and the other side and the second clutch tooth of the interconnecting piece connect It connecing, the first clutch teeth is equipped with the first teeth portion, so that the first clutch teeth and the advance tooth engagement, described the Two clutch teeths are equipped with the second teeth portion, so that the second clutch tooth and the tooth engagement of reversing gear.

Further, the gear set includes countershaft gearing tooth and Bevel Gear Transmission tooth；

The countershaft gearing tooth is connect with the other end of the countershaft, the Bevel Gear Transmission tooth and the bevel gear shaft One end connects, and the countershaft gearing tooth is connect with the Bevel Gear Transmission tooth engagement, so that the countershaft is in engine spindle Drive the lower drive bevel gear shaft rotation.

The utility model also provides a kind of motorcycle, including body and engine as described above；

Installation position is equipped in the body, the engine is mounted in installation position.

Engine provided by the utility model, the left crankcase are equipped with interconnecting piece along the direction that engine power exports With the first connecting hole, facilitate the upper part for installing the transmission component and internal structure of reversing gear；The left crankcase upper edge wheel The vertical direction of drive shaft is equipped with the first mounting groove, facilitates and installs the inside and reverse gear the lower part of structure；First installation Slot is located at the lower section of first connecting hole, facilitates installing component that reverse gear structure and the transmission component of the inside is connected It connects；The transmission component is connect by the interconnecting piece with the left crankcase, with the fixation transmission component in left crankcase On；The input terminal of the transmission component is connect with the main shaft of the engine by transmission group, the kinetic energy that engine is generated The variable part of engine is input to from the input terminal of the transmission component, the output end of the transmission component falls with the inside The gear connection of structure is kept off, the output end output of structure so that kinetic energy reverses gear from inside；The inside is reversed gear the front end of structure It connect with the left crankcase across the first connecting hole, reverses gear the front end of structure in use, user controls the inside, so that Inside structure of reversing gear is shifted gears, the drive of the engine spindle so that the transmission component input terminal rotation, institute It states the output end of transmission component kinetic energy is transmitted to the inside and reverse gear the left end of structure, the reverse gear left end of structure of the inside is worn The driving axis connection for going out first mounting groove and the wheel, realizes the forward or backward movement of engine, and then drives vehicle The control to move ahead and retreat to motorcycle is realized in the rotation of wheel；Inside structure of reversing gear is connected to the inside of the engine, side Just the operation for structure of reversing gear to inside, simple in structure, cost is relatively low, and ensure that the safety in people's ride.

Motorcycle provided by the utility model, engine are mounted in the installation position of the body of the motorcycle, in use, User controls the inside and reverses gear the front end of structure, so that the inside is reversed gear, structure is shifted gears, the engine spindle Drive so that the transmission component input terminal rotation, kinetic energy is transmitted to the inside and fallen by the output end of the transmission component Keeping off the left end of structure, the reverse gear left end of structure of the inside is pierced by the driving axis connection of first mounting groove and the wheel, It realizes the forward or backward movement of engine, and then drives the rotation of wheel, realize the control to move ahead and retreat to motorcycle； Inside structure of reversing gear is connected to the inside of the engine, and the operation of convenient structure of reversing gear to inside is simple in structure, cost compared with It is low, and ensure that the safety in people's ride.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram for the engine that the utility model embodiment provides；

Fig. 2 is the structural schematic diagram one of the part for the engine that the utility model embodiment provides；

Fig. 3 is the structural schematic diagram two of the part for the engine that the utility model embodiment provides；

Fig. 4 is the structural schematic diagram one of the left crankcase for the engine that the utility model embodiment provides；

Fig. 5 is the structural schematic diagram two of the left crankcase for the engine that the utility model embodiment provides；

Fig. 6 is that the inside of engine that the utility model embodiment provides is reversed gear the structural schematic diagram one of structure；

Fig. 7 is that the inside of engine that the utility model embodiment provides is reversed gear the structural schematic diagram two of structure；

Fig. 8 is that the inside of engine that the utility model embodiment provides is reversed gear the structural schematic diagram three of structure；

Fig. 9 is the structural schematic diagram that the output shaft for the engine that the utility model embodiment provides is connect with shift component；

Figure 10 is the structural schematic diagram of the clutch teeth for the engine that the utility model embodiment provides.

Icon：100- left crankcases；200- transmission components；It reverses gear inside 300- structure；101- interconnecting pieces；102- first Connecting hole；The first mounting grooves of 103-；The second connecting holes of 104-；The second mounting grooves of 105-；201- countershafts；202- gear sets；203- Bevel gear shaft；204- bevel gears；205- countershaft gearing teeth；206- Bevel Gear Transmission teeth；301- stirs unit；302- shift forks； 303- gear shift units；304- output shafts；305- shift components；306- reverse gear shifting shafts；307- operation portions；308- advance teeth； 309- clutch teeths；310- reverses gear tooth；311- first clutch teeths；312- second clutch teeth；313- interconnecting pieces；314- One teeth portion；The second teeth portion of 315-；The first operation panels of 316-；The second operation panels of 317-；318- connecting plates；319- third connecting holes； The 4th connecting holes of 320-；321- slide blocks.

Specific implementation mode

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on ... shown in the drawings or position Relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.This Outside, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply relatively heavy The property wanted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

The utility model provides a kind of engine, and the engine includes left crankcase 100, transmission component 200 and interior Portion reverses gear structure 300；The left crankcase 100 is connected along the direction that engine power exports equipped with interconnecting piece 101 and first The vertical direction in hole 102,100 upper edge wheel drive shaft of the left crankcase is equipped with the first mounting groove 103, first peace Tankage 103 is located at the lower section of first connecting hole 102, and the transmission component 200 passes through the interconnecting piece 101 and the left side Crankcase 100 connects, and the input terminal of the transmission component 200 is connect with the main shaft of the engine by transmission group, the biography The reverse gear gear of structure 300 of the output end of dynamic component 200 and the inside is connect；It wears reverse gear one end of structure 300 of the inside It crosses the first connecting hole 102 to connect with the left crankcase 100, the reverse gear other end of structure 300 of the inside is pierced by described first The driving axis connection of mounting groove 103 and the wheel controls the inside and reverses gear one end of structure 300, so that the inside is fallen It keeps off structure 300 to shift gears, the output end of the transmission component 200 drives the inside to reverse gear under the drive of the engine spindle The other end of structure 300 rotates, and realizes the forward or backward movement of engine.

As shown in figures 1-8, the left crankcase 100 is equipped with interconnecting piece 101 and the along the direction that engine power exports One connecting hole 102 facilitates the upper part for installing the transmission component 200 and internal structure 300 of reversing gear；The left crankcase 100 The vertical direction of upper edge wheel drive shaft is equipped with the first mounting groove 103, and the installation inside is facilitated to reverse gear under structure 300 Portion；First mounting groove 103 is located at the lower section of first connecting hole 102, facilitates installing component that the inside is reversed gear Structure 300 is connect with the transmission component 200；The transmission component 200 passes through the interconnecting piece 101 and the left crankcase 100 connections, with the fixation transmission component 200 on left crankcase 100；The input terminal of the transmission component 200 and the hair The main shaft of motivation is connected by transmission group, and the kinetic energy that engine generates is input to from the input terminal of the transmission component 200 The variable part of engine, the reverse gear gear of structure 300 of the output end of the transmission component 200 and the inside are connect, so that Obtain output end output of the kinetic energy from internal structure 300 of reversing gear；The inside reverse gear structure 300 front end pass through the first connecting hole 102 connect with the left crankcase 100, reverse gear the front end of structure 300 in use, user controls the inside, so that institute It states inside structure 300 of reversing gear to shift gears, the drive of the engine spindle is so that the input terminal of the transmission component 200 turns Dynamic, kinetic energy is transmitted to the inside and reversed gear the left end of structure 300 by the output end of the transmission component 200, and the inside is reversed gear The left end of structure 300 is pierced by the driving axis connection of first mounting groove 103 and the wheel, realize engine advance or Setback, and then the rotation of wheel is driven, realize the control to move ahead and retreat to motorcycle；Inside reverse gear structure 300 company It is connected on the inside of the engine, the operation of convenient structure 300 of reversing gear to inside, simple in structure, cost is relatively low, and ensure that Safety in people's ride.

Further, structure 300 is reversed gear including stirring unit 301, shift fork 302 and gear shift unit 303 in the inside；Institute It states and stirs one end of unit 301 and be vacantly arranged, the other end for stirring unit 301 passes through first connecting hole 102 and institute One end connection of shift fork 302 is stated, one end of the gear shift unit 303 passes through the drive shaft of first mounting groove 103 and wheel Connection, the other end of the gear shift unit 303 are connected in first mounting groove 103, the other end of the shift fork 302 and institute The connection of gear shift unit 303 is stated, one end of unit 301 is stirred described in pressing so that the shift fork 302 stirs unit 301 described Drive under drive the gear shift unit 303 shift gears so that engine realize move forward or back movement.

As shown in figs 6-8, the front end for stirring unit 301 is vacantly arranged, and facilitates and stirs 301 turns of unit described in drive It is dynamic；The rear end for stirring unit 301 passes through the upper of the first connecting hole 102 and the shift fork 302 of the left crankcase 100 End connection, facilitates and fixes the unit 301 of stirring, and ensures the connective stability of internal structure 300 of reversing gear, furthermore makes described Stir unit 301 drives the shift fork 302 to rotate under the drive of the front end for stirring unit 301；The gear shift unit 303 right end is connected in first mounting groove 103, realizes the fixation to gear shift unit 303, the gear shift unit 303 Left end passes through the driving axis connection of first mounting groove 103 and wheel, the driving to wheel is realized, before realizing motorcycle Into；The lower end of the shift fork 302 is connect with the gear shift unit 303, the front end of unit 301 is stirred described in pressing, and then drive Described to stir the rotation of unit 301, the unit 301 of stirring rotates so that the shift fork 302 is moved along left or right side, and then is dialled The dynamic gear shift unit 303 is shifted gears, to realize that the movement of engine forward or backward, gear shift unit 303 are arranged in engine Inside so that engine it is compact-sized, it is cost-effective, while alleviating the security risk of user when in use, be people Go on a journey and provide convenience.

Further, the gear shift unit 303 includes output shaft 304 and shift component 305；305 sets of the shift component It is connected on the output shaft 304, one end of the output shaft 304 passes through first mounting groove 103 and the drive shaft of wheel to connect It connects, the other end of the shift component 305 and the output shaft 304 is connected in first mounting groove 103, described in pressing Stir one end of unit 301 so that the shift fork 302 drives the shift component 305 under the drive for stirring unit 301 Shift, so that engine realizes the movement moved forward or back.

As Figure 7-9, the shift component 305 is socketed on the output shaft 304, the left end of the output shaft 304 Across the driving axis connection of first mounting groove 103 and wheel, the right end and the installation shift component of the output shaft 304 305 part output shaft 304 is mounted in first mounting groove 103, ensures gear shift unit 303 in left crankcase 100 Connection structure stability；When needing shift, the front end of unit 301 is stirred described in pressing, 301 turns of unit is stirred described in drive It is dynamic so that shift fork 302 is moved to the left or right under the drive for stirring unit 301, realizes changing for the gear shift unit 303 Gear, so that engine realizes the movement advanced or retreated.

Further, the unit 301 of stirring includes reverse gear shifting shaft 306 and operation portion 307；The operation portion 307 It is connect with one end of the reverse gear shifting shaft 306, the other end of the reverse gear shifting shaft 306 and the one of the shift fork 302 End connection, presses the operation portion 307 so that the shift fork 302 drives under the drive that the reverse gear shifting shaft 306 rotates The shift component 305 is shifted gears, so that engine realizes the movement moved forward or back.

As shown in figs 6-8, the operation portion 307 is connected to the front end of the reverse gear shifting shaft 306, and the reverse gear changes The rear end of gear shaft 306 is connect with the upper end of the shift fork 302, and specifically, in operation, user presses the operation portion 307, Drive the reverse gear shifting shaft 306 to rotate, the shift fork 302 under the drive of the reverse gear shifting shaft 306 to the left or to Right movement realizes that the shift component 305 is shifted gears, so that engine realizes the movement moved forward or back.

Further, the shift component 305 includes advance tooth 308, clutch teeth 309 and the tooth 310 that reverses gear；The advance Tooth 308 is connected to the side of the clutch teeth 309, and the tooth 310 that reverses gear is connected to the other side of the clutch teeth 309, The other end of the shift fork 302 is connect with the clutch teeth 309, and the shift fork 302 can drive the clutch teeth 309 It is moved along the output shaft 304, so that the clutch teeth 309 is engaged with the advance tooth 308 or the tooth 310 that reverses gear, so that hair Motivation realizes the movement moved forward or back.

As shown in figure 9, the advance tooth 308 is connected to the left side of the clutch teeth 309, the connection of tooth 310 of reversing gear On the right side of the clutch teeth 309, the shift fork 302 is connect with the peripheral surface of the clutch teeth 309, when needing shift, User presses the operation portion 307 so that the reverse gear shifting shaft 306 rotates, and then drives the reverse gear shifting shaft Shift fork 302 on 306 rear end rotates, and when stirring to the left, the clutch teeth 309 is engaged with the advance tooth 308, engine It travels forward；When stirring to the right, the clutch teeth 309 is engaged with the tooth 310 that reverses gear, and engine moves backward, passes through letter Single shift component 305 realizes the gear shift operation in engine interior, and simple in structure, easy to operate, cost is relatively low.

Further, the transmission component 200 includes countershaft 201, gear set 202 and bevel gear shaft 203, the interconnecting piece 101 include the second connecting hole 104 and the second mounting groove 105；Second connecting hole 104 is located at second mounting groove 105 Top, second mounting groove 105 are connected to first mounting groove 103, and second mounting groove 105 is located at described first and connects Connect the lower section in hole 102, one end of the countershaft 201 and the main shaft of engine are connected by transmission group, the countershaft 201 it is another End is connect by gear set 202 with one end of the bevel gear shaft 203 across second connecting hole 104, the bevel gear shaft 203 are connected in second mounting groove 105, and the other end of the bevel gear shaft 203 and the inside are reversed gear the company of structure 300 It connects, the transmission component 200 rotates under the drive of engine spindle, so that the inside is reversed gear, the other end of structure 300 exists The drive shaft of the drive lower band motor car wheel of the transmission component 200 rotates.

As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 7, second connecting hole 104 is located at the top of second mounting groove 105, Second mounting groove 105 is connected to first mounting groove 103, and second mounting groove 105 is located at first connecting hole 102 lower section, the rear end of the countershaft 201 and the main shaft of engine are connected by transmission group, the engine are generated dynamic It can be spread out of by the countershaft 201, the bevel gear shaft 203 is connected in second mounting groove 105, with the fixation cone tooth Wheel shaft 203 so that the structural stability of engine entirety is strong；The front end of the countershaft 201 is logical across second connecting hole 104 It crosses gear set 202 to connect with the front end of the bevel gear shaft 203 so that the bevel gear shaft 203 is in the gear set 202 Drive lower rotation, the reverse gear circumferential surface of structure 300 of the rear end of the bevel gear shaft 203 and the inside is connect.Specifically, start The main shaft of machine rotates, and the countershaft 201 of the transmission component 200 is driven to rotate, and then the gear set 202 is driven to rotate, described Bevel gear shaft 203 rotates under the drive of the gear set 202, and then the inside engaged with the bevel gear shaft 203 is driven to fall Structure 300 is kept off to rotate, the inside reverse gear structure 300 left end connection wheel drive shaft, and then realize the rotation of wheel, it is real The advance and retrogressing of existing motorcycle.

Further, the other end of the bevel gear shaft 203 is equipped with bevel gear 204, the side of the bevel gear 204 and institute The engagement of advance tooth 308 is stated, the other side of the bevel gear 204 is engaged with the tooth 310 that reverses gear, so that the bevel gear 204 exists The output shaft 304 is driven to rotate under the drive of the bevel gear shaft 203.

As shown in Figure 6 and Figure 8, the rear end of the bevel gear shaft 203 is equipped with bevel gear 204, the left side of shown bevel gear 204 It is engaged with the advance tooth 308, the right side of the bevel gear 204 is engaged with the tooth 310 that reverses gear, when needing shift, user Press the operation portion 307 so that the reverse gear shifting shaft 306 rotates, and then drives the reverse gear shifting shaft 306 Shift fork 302 on rear end rotates, and when stirring to the left, the clutch teeth 309 is engaged with the advance tooth 308, the bevel gear 204 engage with the advance tooth 308, and engine travels forward；When stirring to the right, the clutch teeth 309 and the tooth that reverses gear 310 engagements, the bevel gear 204 engage with the tooth 310 that reverses gear, and engine moves backward, passes through component of simply shifting gears 305, realize the gear shift operation in engine interior, simple in structure, easy to operate, cost is relatively low.

Further, the clutch teeth 309 includes first clutch teeth 311, second clutch tooth 312 and interconnecting piece 313；The first clutch teeth 311 is connect with the side of interconnecting piece 313, the other side of the interconnecting piece 313 and the second clutch Device tooth 312 connects, and the first clutch teeth 311 is equipped with the first teeth portion 314, so that the first clutch teeth 311 and institute The engagement of advance tooth 308 is stated, the second clutch tooth 312 is equipped with the second teeth portion 315, so that the second clutch tooth 312 It is engaged with the tooth 310 that reverses gear.

As shown in Figure 10, the right side of the first clutch teeth 311 is connect with the left side of the interconnecting piece 313, the company The right side of socket part 313 is connect with the left side of the second clutch tooth 312, is set on the peripheral surface of the first clutch teeth 311 There is the first teeth portion 314, so that the first clutch teeth 311 is engaged with the advance tooth 308, realizes moving ahead for engine；Institute The peripheral surface for stating second clutch tooth 312 is equipped with the second teeth portion 315, so that the second clutch tooth 312 reverses gear with described Tooth 310 engages, and realizes the retrogressing of engine.

Further, the gear set 202 includes countershaft gearing tooth 205 and Bevel Gear Transmission tooth 206；The countershaft passes Moving teeth 205 is connect with the other end of the countershaft 201, and the Bevel Gear Transmission tooth 206 and one end of the bevel gear shaft 203 connect It connects, the countershaft gearing tooth 205 engages connection with the Bevel Gear Transmission tooth 206, so that the countershaft 201 is mobilizing owner The bevel gear shaft 203 is driven to rotate under the drive of axis.

As shown in fig. 7, the countershaft gearing tooth 205 is connect with the front end of the countershaft 201, the Bevel Gear Transmission tooth 206 connect with the front end of the bevel gear shaft 203, and the main shaft of the engine drives countershaft 201 to rotate so that the countershaft passes Moving teeth 205 rotates, and the countershaft gearing tooth 205 engages connection with the Bevel Gear Transmission tooth 206, and then drives the bevel gear Driving cog 206 rotates, and realizes the rotation of the bevel gear shaft 203.

Specifically, as shown in Fig. 6 and Fig. 9, the upper end of the shift fork 302 is equipped with the 4th connecting hole 320, and the reverse gear changes The rear end of gear shaft 306 is connect across the 4th connecting hole 320 with the upper end of the shift fork 302, and the lower end of the shift fork 302 is set There are slide block 321, the slide block 321 to be connected in clutch teeth 309 so that the slide block 321 stirs the clutch Tooth 309 is moved along the output shaft 304, simple in structure, and cost is relatively low.

As shown in fig. 7, the operation portion 307 includes the first operation panel 316, connecting plate 318 and the second operation panel 317, institute The right end for stating the first operation panel 316 is connect with the left end of the connecting plate 318, the right end of the connecting plate 318 and described second The left end of operation panel 317 connects, and the middle part of the connecting plate 318 is equipped with third connecting hole 319, and the operation portion 307 passes through institute It states third connecting hole 319 to be connected on the reverse gear shifting shaft 306, further includes connector, the connector is by operation portion 307 It is clamped on the reverse gear shifting shaft 306, the connector is nut.

Specifically, when pressing first operation panel 316, the reverse gear shifting shaft 306 rotates clockwise, described The slide block 321 of shift fork 302 moves to the left, drives the clutch teeth 309 to be moved to the left along the output shaft 304, makes The clutch teeth 309 is obtained to engage with the advance tooth 308, meanwhile, the bevel gear 204 engages with the advance tooth 308, this When, engine moves ahead；When pressing second operation panel 317, the reverse gear shifting shaft 306 rotates counterclockwise, the shift fork 302 slide block 321 moves to the right, and the clutch teeth 309 is driven to be moved to the right along the output shaft 304 so that institute Clutch teeth 309 is stated to engage with the tooth 310 that reverses gear, meanwhile, the bevel gear 204 engages with the tooth 310 that reverses gear, this When, engine retreats, and the advance and retrogressing of engine are realized by component 305 of simply shifting gears, simple in structure, easy to operate.

The utility model additionally provides a kind of motorcycle, and the motorcycle includes body and engine as described above；Institute It states and is equipped with installation position in body, the engine is mounted in installation position.

Motorcycle provided by the utility model, engine are mounted in the installation position of the body of the motorcycle, user It reverses gear the front end of structure 300 in use, user controls the inside, so that the inside is reversed gear, structure 300 is shifted gears, institute The drive of engine spindle is stated so that the input terminal of the transmission component 200 rotates, the output end of the transmission component 200 will move The inside can be transmitted to reverse gear the left end of structure 300, the reverse gear left end of structure 300 of the inside is pierced by first mounting groove 103 with the driving axis connection of the wheel, realize the forward or backward movement of engine, and then drive the rotation of wheel, realize The control to move ahead and retreat to motorcycle；Inside structure 300 of reversing gear is connected to the inside of the engine, convenient to be fallen to inside The operation of structure 300 is kept off, simple in structure, cost is relatively low, and ensure that the safety in people's ride.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of engine, which is characterized in that reverse gear structure including left crankcase, transmission component and inside；

The left crankcase is equipped with interconnecting piece and the first connecting hole along the direction that engine power exports, on the left crankcase Vertical direction along wheel drive shaft is equipped with the first mounting groove, and first mounting groove is located under first connecting hole Side, the transmission component are connect by the interconnecting piece with the left crankcase, the input terminal of the transmission component and the hair The main shaft of motivation is connected by transmission group, and the reverse gear gear of structure of the output end of the transmission component and the inside is connect；

Reverse gear one end of structure of the inside is connect across the first connecting hole with the left crankcase, and the inside is reversed gear structure The other end is pierced by the driving axis connection of first mounting groove and the wheel, controls the inside and reverses gear one end of structure, with The inside is set to reverse gear structure shift, the output end of the transmission component is driven under the drive of the engine spindle in described Portion reverse gear structure the other end rotation, realize engine forward or backward movement.

2. engine according to claim 1, which is characterized in that reverse gear structure including stirring unit, shift fork in the inside And gear shift unit；

Described one end for stirring unit is vacantly arranged, and the other end for stirring unit passes through first connecting hole and described group One end of fork connects, and one end of the gear shift unit passes through the driving axis connection of first mounting groove and wheel, the shift The other end of unit is connected in first mounting groove, and the other end of the shift fork is connect with the gear shift unit, presses institute State the one end for stirring unit so that the shift fork drives the gear shift unit to shift gears under the drive for stirring unit, so that Engine realizes the movement moved forward or back.

3. engine according to claim 2, which is characterized in that the gear shift unit includes output shaft and shift component；

The shift component is socketed on the output shaft, and one end of the output shaft passes through first mounting groove and wheel Axis connection, the other end of the shift component and the output shaft is driven to be connected in first mounting groove, pressing is described to dial One end of moving cell so that the shift fork drives the shift component to shift gears under the drive for stirring unit, so as to start Machine realizes the movement moved forward or back.

4. engine according to claim 3, which is characterized in that the unit of stirring includes reverse gear shifting shaft and operation Portion；

The operation portion is connect with one end of the reverse gear shifting shaft, the other end and the shift fork of the reverse gear shifting shaft One end connection, press the operation portion so that described in the shift fork drives under the drive that the reverse gear shifting shaft rotates Component of shifting gears is shifted gears, so that engine realizes the movement moved forward or back.

5. engine according to claim 4, which is characterized in that the shift component include advance tooth, clutch teeth and Reverse gear tooth；

The advance tooth is connected to the side of the clutch teeth, and the tooth that reverses gear is connected to the other side of the clutch teeth, The other end of the shift fork is connect with the clutch teeth, and the shift fork can drive the clutch teeth to be moved along the output shaft It is dynamic, so that the clutch teeth and the advance tooth or tooth engagement of reversing gear, so that engine realizes the movement moved forward or back.

6. engine according to claim 5, which is characterized in that the transmission component includes countershaft, gear set and cone tooth Wheel shaft, the interconnecting piece include the second connecting hole and the second mounting groove；

Second connecting hole is located at the top of second mounting groove, and second mounting groove connects with first mounting groove Logical, second mounting groove is located at the lower section of first connecting hole, and one end of the countershaft and the main shaft of engine pass through biography The other end of dynamic group connection, the countershaft passes through second connecting hole to connect by one end of gear set and the bevel gear shaft It connects, the bevel gear shaft is connected in second mounting groove, and the other end of the bevel gear shaft and the inside are reversed gear structure Connection, the transmission component rotate under the drive of engine spindle, so that the inside is reversed gear, the other end of structure is described The drive shaft of the drive lower band motor car wheel of transmission component rotates.

7. engine according to claim 6, which is characterized in that the other end of the bevel gear shaft is equipped with bevel gear, institute The side of bevel gear and the advance tooth engagement, the other side of the bevel gear and the tooth engagement of reversing gear are stated, so that the cone Gear drives the output shaft to rotate under the drive of the bevel gear shaft.

8. engine according to claim 5, which is characterized in that the clutch teeth includes first clutch teeth, second Clutch teeth and interconnecting piece；

The side of the first clutch teeth and interconnecting piece connects, and the other side of the interconnecting piece is connect with second clutch tooth, The first clutch teeth is equipped with the first teeth portion, so that the first clutch teeth and the advance tooth engagement, described second Clutch teeth is equipped with the second teeth portion, so that the second clutch tooth and the tooth engagement of reversing gear.

9. engine according to claim 6, which is characterized in that the gear set includes that countershaft gearing tooth and bevel gear pass Moving teeth；

The countershaft gearing tooth is connect with the other end of the countershaft, one end of the Bevel Gear Transmission tooth and the bevel gear shaft Connection, the countershaft gearing tooth is connect with the Bevel Gear Transmission tooth engagement, so that drive of the countershaft in engine spindle It is lower to drive the bevel gear shaft rotation.

10. a kind of motorcycle, which is characterized in that including body and engine as claimed in any one of claims 1-9 wherein；

Installation position is equipped in the body, the engine is mounted in installation position.