Air compressor power take-off structure on engine and rear engine

Abstract

The utility model relates to the field of engines, and particularly discloses an air compressor power take-off structure on an engine and a rear engine. The power take-off unit is in power connection with the engine; and the air compressor is in power connection with the power take-off unit through the transmission unit. According to the scheme, the power take-off unit directly takes off power from an engine of the motor tricycle, the transmission unit transmits part of power into the air compressor, part of power of the engine of the motor tricycle is applied to the air compressor, and the air compressor can be matched with a refrigerating and heating system in the motor tricycle, so that the power of the engine of the motor tricycle is fully utilized; the air compressor is integrally installed on the engine, the space occupied by the power take-off unit, the transmission unit, the air compressor and the refrigerating and heating system in the motor tricycle can be reduced, the mass of the power take-off unit, the transmission unit, the air compressor and the refrigerating and heating system can be reduced, and the influence on fuel economy and controllability of the motor tricycle is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to engine technical field especially relates to a take force structure of air compressor on engine and post engine. BACKGROUND

[0002] The design and use of three-wheeled motorcycles are usually different from ordinary cars, and they are more used for transporting goods or as a simple means of transportation, rather than providing a comfortable riding environment, so most three-wheeled vehicles are not equipped with air conditioners; however, with the development of technology and the improvement of people's requirements for comfort, some manufacturers have begun to configure air conditioning systems on some high-end three-wheeled motorcycles to improve the comfort of three-wheeled motorcycles when riding.

[0003] Therefore, the current three-wheeled vehicles generally still use a separate air conditioning system installed on the three-wheeled motorcycle, but this independent air conditioning system will increase the overall weight of the three-wheeled motorcycle, which may have some impact on the fuel economy and handling of the three-wheeled motorcycle; the independent air conditioning system and its related equipment need to occupy a certain space, which may reduce the storage space or passenger space inside the vehicle; at the same time, installing an independent air conditioning system may require complex modification and wiring work, which not only increases the installation difficulty, but also may affect the appearance and safety of the vehicle, and the purchase and installation cost is also relatively high. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides a take force structure of air compressor on engine and post engine to solve the problem that the independent air conditioning system will increase the overall weight of the three-wheeled motorcycle, and then easily affect the fuel economy and handling of the three-wheeled motorcycle.

[0005] In order to achieve the above purpose, the basic scheme of the utility model is as follows: a take force structure of air compressor on engine, comprising:

[0006] An air compressor mounted on the engine housing;

[0007] A power take-off unit connected to the engine;

[0008] A transmission unit, the air compressor is connected to the power take-off unit through the transmission unit.

[0009] The utility model discloses a technical principle for: power taking unit is directly to the engine of three -wheel motorcycle power, and the transmission unit is passed to the part power of air compressor in, and the part power of three -wheel motorcycle engine is applied to air compressor, and air compressor can cooperate with the refrigeration and heating system in three -wheel motorcycle, so that the power of three -wheel motorcycle engine is fully utilized, and simultaneously because air compressor is integrated installation on the engine, and air compressor can supply energy for the refrigeration and heating system in three -wheel motorcycle, so that the structure of air conditioning system in the scheme three -wheel motorcycle is more compact, can reduce the space and quality of power taking unit, transmission unit, air compressor and refrigeration and heating system in the scheme three -wheel motorcycle, reduce the influence to fuel economy and controllability of three -wheel motorcycle.

[0010] Further, the power taking unit comprises:

[0011] The start-stop speed regulation transmission part is power-connected with the crankshaft of the engine.

[0012] The output disc is coaxially fixedly connected with the power output end of the start-stop speed regulation transmission part, and the output disc is power-connected with the transmission unit.

[0013] Through the above setting, the start-stop speed regulation transmission part can control the start of power taking, the stop of power taking and the rotation speed of the output disc during power taking, and further control the power input of the air compressor, so as to achieve the purpose of controlling the opening and closing of the refrigeration and heating system and the refrigeration and heating intensity during starting, and make the state control of the air compressor convenient and reliable.

[0014] Further, the transmission unit comprises:

[0015] The input disc is coaxially fixedly connected with the power input end of the air compressor.

[0016] The transmission belt is tightly wound on the input disc and the output disc.

[0017] Through the above setting, the input disc can cooperate with the output disc and the transmission belt to realize stable transmission of power, and through the arrangement of the transmission belt, the installation position of the air compressor on the engine is easier to adjust, so that the air compressor can be more compactly installed on the engine.

[0018] Further, the utility model also comprises an installation unit, and the installation unit comprises:

[0019] The plurality of fixed connection blocks are fixedly installed on the outer wall of the air compressor, and a plurality of first connection holes capable of being connected with the outer wall of the engine are arranged on the fixed connection blocks, and the fixed connection blocks are located at the middle part of the air compressor.

[0020] The mounting connecting plate is in a "Z" shape, one end of the mounting connecting plate abuts against the outer wall of the engine, the other end of the mounting connecting plate abuts against the side of the fixed connecting block close to the outer wall of the engine, the end of the mounting connecting plate close to the fixed connecting block is provided with a second mounting hole capable of coinciding with and connecting with the first connecting hole of the fixed connecting block, and the end of the mounting connecting plate close to the engine is provided with a third mounting hole capable of connecting with the engine.

[0021] Through the above arrangement, the fixed connecting block can cooperate with the mounting connecting plate to enable the outer wall of the air compressor to be supported by the mounting connecting plate and stably mounted on the outer wall of the engine, and the fixed connecting block can be directly mounted in cooperation with the outer wall of the engine, so that the circumference of the air compressor can be stably connected and mounted with the outer wall of the engine; at the same time, the mounting connecting plate in a "Z" shape can be accurately mounted in cooperation with the outer wall of the engine and the fixed connecting block, so that the mounting connecting plate is in a relatively dislocated state at the mounting position when mounted through the second mounting hole and the third mounting hole, which is more convenient for mounting and can improve the mounting efficiency.

[0022] Further, the start-stop speed regulation transmission part is a magnetic steel.

[0023] Through the above arrangement, the start-stop speed regulation transmission part is a magnetic steel.

[0024] The utility model also intends to provide a rear-mounted engine, including engine body and engine casing, still include:

[0025] An air compressor power take-off structure on an engine;

[0026] A differential body, which is in transmission connection with the engine body;

[0027] A differential housing, the end face of the differential housing is connected with the end face of the engine housing, the differential body is located between the differential housing and the engine housing, one end of the differential body outputs power after passing through the differential housing, and the other end of the differential body outputs power after passing through the engine housing;

[0028] The air compressor power take-off structure is mounted on the engine body, the engine housing and the differential housing.

[0029] The technical principle of the utility model is as follows: after the differential housing and the engine housing, the differential body can be integrated and mounted between the differential housing and the engine housing, so that the power transmission between the differential body and the engine body is more direct, the power loss between the differential body and the engine body can be smaller, the power output from both ends of the differential body is more direct and strong, and the transmission efficiency of kinetic energy is improved.

[0030] Further, the air compressor is arranged between the output disc and the differential body, the mounting plate is connected to the differential housing at the end close to the engine, and the remaining part is fixed to the engine housing;

[0031] The middle part of the mounting plate is in a vertical state, the second mounting hole vertically penetrates the upper end of the mounting plate, and the third mounting hole vertically penetrates the lower end of the mounting plate.

[0032] Through the above arrangement, the air compressor can be more compactly arranged between the output disc and the differential body, the interference of the air compressor and the input disc with the output of the kinetic energy of the differential body can be avoided, the installation and arrangement of the transmission unit, the mounting unit and the power take-off unit are more reasonable; at the same time, the middle part of the mounting plate can provide more robust support for the air compressor, so that the air compressor can be installed on the engine housing and the differential housing, and the integration between the transmission unit, the mounting unit and the power take-off unit and the engine housing and the differential housing is enhanced.

[0033] Further, the engine body comprises:

[0034] The input shaft is provided with an input gear;

[0035] The driving shaft is provided with a plurality of driving gears, one of which is engaged with the input gear;

[0036] The driven shaft is provided with a locking gear at the end thereof and a plurality of driven gears which can be engaged with the driving gears;

[0037] The shift shaft is provided with a shift operation part at one end thereof and a plurality of shift fork structures for controlling the engagement of the driving gears and the driven gears at the middle part thereof;

[0038] The output shaft is provided with an output gear which is power-connected with the driven shaft, and the output shaft is power-connected with the differential body.

[0039] Through the above setting, the power of the crankshaft in the engine drives the input shaft to rotate, the input gear on the input shaft engages with the driving gear on the driving shaft, and the driving shaft rotates. At this time, the driver controls the shift operating part on the shift shaft to control the shift fork structure to drive the driving gear on the driving shaft to engage with the driven gear on the driven shaft, so as to realize gear shifting and power transmission. The driven shaft transmits power to the output gear on the output shaft, the output gear drives the output shaft to rotate, and the output shaft transmits power to the differential body. The left end of the differential body transmits power to the left wheel on the rear side of the three-wheeled motorcycle, and the right end of the differential body transmits power to the right wheel on the rear side of the three-wheeled motorcycle. In this process, the power of the engine is accurately and completely transmitted to the rear wheels of the three-wheeled motorcycle; when the air compressor on the engine starts to work, the controller controls the magnetic steel to start, and part of the power of the crankshaft is transmitted to the output disc through the magnetic steel on the right side. The remaining power output at the crankshaft is still used to drive the engine body and the differential body, so that the running of the three-wheeled motorcycle is not affected, and the driving comfort in the cab of the three-wheeled motorcycle is obviously improved.

[0040] Further, it further comprises an anti-skid car structure, which comprises:

[0041] An adjusting ring is coaxially fixedly installed on one end of the shift shaft away from the shift operating part;

[0042] A positioning shaft is fixedly connected to the engine housing at one end, and the axis of the positioning shaft is parallel to the axis of the shift shaft;

[0043] A locking plate is provided with a hinge hole at the middle part for the positioning shaft to pass through the end away from the engine housing, one end of the locking plate is provided with a mounting hole for rotating connection with the outer wall of the adjusting ring, and the other end of the locking plate is provided with engagement teeth for engaging with the locking gear; the locking plate and the adjusting ring are provided with a locking and separating adjusting part for controlling the engagement of the engagement teeth and the locking gear.

[0044] Through the above setting, when the three-wheeled motorcycle is parked on a slope, the driver controls the shift operating part on the shift shaft to control the shift shaft to rotate forward, the shift shaft drives the adjusting ring on the front end to rotate synchronously, and the locking and separating adjusting part controls the end of the locking plate close to the adjusting ring to rotate forward, so that the end of the locking plate close to the locking gear is close to the locking gear, and the engagement teeth on the locking plate engage with the locking gear, thereby locking the locking gear and locking the driven shaft, so that the three-wheeled motorcycle is less likely to slide on the slope when parked, and the safety of the three-wheeled motorcycle parked on the slope is improved. Conversely, the engagement teeth on the locking plate are separated from the locking gear, and the driven shaft can rotate normally; in the above process, the shift operation of the shift shaft and the locking operation of the locking gear are matched, and the three-wheeled motorcycle slope parking operation is simple, reliable and high in integration.

[0045] Further, the locking and separating adjusting part comprises:

[0046] The first flange is fixedly arranged on the outer wall of the adjusting ring.

[0047] The second flange is fixedly arranged in the mounting hole of the locking plate, and the second flange can abut against the top end of the first flange, and the first flange is provided with a separation groove for embedding the second flange; when the adjusting ring is rotated to abut against the top end of the first flange, the meshing teeth are engaged with the locking gear; when the adjusting ring is rotated to abut against the inner wall of the separation groove, the meshing teeth are separated from the locking gear.

[0048] Through the above arrangement, when the meshing teeth are engaged with the locking gear, the adjusting ring on the end portion is synchronously rotated by the shifting shaft, so that the separation groove on the adjusting ring is separated from the second flange, and the first flange on the adjusting ring abuts against the top of the second flange, the first flange lifts the second flange, so that the one end of the locking plate close to the adjusting ring is lifted and close to the positioning shaft, the middle part of the locking plate is rotated relative to the positioning shaft, the lower end of the locking plate is close to the locking gear of the driven shaft, and then the meshing teeth on the locking plate are engaged with the locking gear, the cooperation between the positioning shaft, the second flange, the first flange and the separation groove is accurate, and the meshing teeth and the locking gear can be accurately clamped or separated. BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1 It is a structure schematic view of the air compressor power take-off structure in the axial direction of an engine in the embodiment 1 of the utility model.

[0050] Figure 2 It is an explosion view of the air compressor power take-off structure in the axial direction of an engine in the embodiment 1 of the utility model.

[0051] Figure 3 It is a structure schematic view of the air compressor power take-off structure in the axial direction of an engine in the embodiment 1 of the utility model. Figure 2 It is an enlarged view of the power take-off unit.

[0052] Figure 4 It is a structure schematic view of the air compressor power take-off structure in the axial direction of an engine in the embodiment 1 of the utility model.

[0053] Figure 5 It is an explosion view of the air compressor power take-off structure in the axial direction of an engine in the embodiment 1 of the utility model.

[0054] Figure 6 It is an enlarged view of the anti-skid vehicle structure. Figure 5 It is an enlarged view of the anti-skid vehicle structure.

[0055] In the above drawings: engine 1, air compressor 2, fixed connecting block 211, first connecting hole 221, mounting connecting plate 231, third mounting hole 241, input disc 22, power take-off unit 23, output disc 24, magnetic steel 25, engine housing 31, cover 311, left box 312, right box 313, right box cover 314, input shaft 321, input gear 322, driving shaft 323, driving gear 324, driven shaft 325, driven gear 326, shift shaft 327, shift operating part 328, shift fork structure 329, output shaft 330, output gear 331, differential body 41, differential housing 411, anti-skid car structure 5, adjusting ring 51, positioning shaft 52, locking plate 53, first flange 54, second flange 55, separation groove 56, meshing teeth 57, locking gear 58. DETAILED DESCRIPTION

[0056] The technical solutions in the utility model are further described below with reference to the drawings and examples.

[0057] Example 1

[0058] This example is basically as shown in Figure 1 , Figure 2 and Figure 3 , the utility model example proposes a kind of air compressor power take-off structure on engine, including the air compressor 2 of installation on the shell of engine 1, transmission unit, installation unit and with the power take-off unit 23 of engine 1 power connection, air compressor 2 is connected with power take-off unit 23 by transmission unit and is all power connection.

[0059] As shown in Figure 1 , Figure 2 and Figure 3 , power take-off unit 23 includes output disc 24 and the start-stop speed regulation transmission part of the crankshaft power connection of engine 1, transmission unit includes input disc 22 and transmission belt (not drawn out);As shown in Figure 3 , start-stop speed regulation transmission part is magnetic steel 25, the power input end of the left end of magnetic steel 25 is fixedly connected with the crankshaft right end of engine 1 coaxially, and the power output end of the right end of magnetic steel 25 is fixedly connected with output disc 24 coaxially;While as shown in Figure 1 and 2 , the left end of input disc 22 is fixedly connected with the power input end of air compressor 2 coaxially, and transmission belt is tensioned and arranged on input disc 22 and output disc 24.

[0060] As shown in Figure 1 and 2As shown, the mounting unit includes a mounting connecting plate 231 and a plurality of fixed connecting blocks 211 integrally formed on the middle outer wall of the air compressor 2, and the fixed connecting blocks 211 are provided with a plurality of first connecting holes 221 connectable with the outer wall of the engine 1 in the axial direction of the air compressor 2; the mounting connecting plate 231 is in the shape of a "Z" letter, the middle part of the mounting connecting plate 231 is in a horizontal state, one end of the mounting connecting plate 231 abuts against the outer wall of the engine 1, and the other end of the mounting connecting plate 231 abuts against the side of the fixed connecting block 211 close to the outer wall of the engine 1, the end of the mounting connecting plate 231 close to the fixed connecting block 211 is provided with a second mounting hole coinciding with and connectable with the first connecting hole 221 of the fixed connecting block 211, and the end of the mounting connecting plate 231 close to the engine 1 is provided with a third mounting hole 241 connectable with the engine 1; as shown Figure 1 and 2 As shown, the second mounting hole horizontally penetrates the right end of the mounting connecting plate 231, and the third mounting hole 241 horizontally penetrates the left end of the mounting connecting plate 231.

[0061] In addition, a controller for controlling the magnetic steel 25, a refrigeration and heating system cooperating with the air compressor 2, and a cover (not shown) covering the input disc 22, the output disc 24 and the transmission belt are further included, the controller is integrated on the operating platform of the driver's cab of the three-wheeled motorcycle, the refrigeration and heating system is installed on the three-wheeled motorcycle, and the cover is installed on the outer wall of the engine housing 31.

[0062] In use, the driver starts the engine 1 of the three-wheeled motorcycle, and when using the air conditioner, the controller on the operating platform of the driver's cab controls the magnetic steel 25, thereby controlling the start, stop and rotation speed of the power take-off unit 23 and the power output end of the magnetic steel 25 during power take-off, the magnetic steel 25 can accurately transmit the power at the crankshaft of the engine 1 to the input disc 22, the input disc 22 and the transmission belt cooperatively transmit the power to the output disc 24, the rotation of the output disc 24 is converted into the power of the air compressor 2, the air compressor 2 provides power for the refrigeration and heating system, thereby performing heat exchange and refrigeration with the air in the driver's cab.

[0063] In the installation of the air compressor power take-off structure, the installation connecting plate 231 can cooperate with the fixed connecting block 211 to stably integrate the air compressor 2 on the engine 1. The installation connecting plate 231 can be supported between the air compressor 2 and the engine 1, and can reduce the vibration force during the starting process of the air compressor 2, so that the air compressor 2 can be more stably installed on the engine 1. The input pulley 22 on the end of the air compressor 2 can cooperate with the output pulley 24 and the transmission belt to stably transmit power. The cover can protect the stable power transmission between the input pulley 22, the output pulley 24 and the transmission belt. The cooperation of the input pulley 22, the output pulley 24 and the transmission belt makes the installation position of the air compressor 2 on the engine 1 more easily adjusted, so that the air compressor 2 is more compactly installed on the engine 1.

[0064] At the same time, through the cooperation of the magnetic steel 25 and the output pulley 24, the power of the refrigeration and heating system does not need to be additionally set. The magnetic steel 25 can directly use the power generated by the crankshaft of the engine 1 to drive the air compressor 2 and the refrigeration and heating system. Compared with the original separate air conditioning system, the required space structure is smaller and easier to install and arrange. At the same time, through the cooperation of the magnetic steel 25, the air compressor 2, the controller and the refrigeration and heating system, the controller and the refrigeration and heating system can be better integrated into the three-wheeled motorcycle, which is more aesthetic and safe. After using the air compressor power take-off structure, the air compressor 2 and the refrigeration and heating system can make full use of the kinetic energy generated after the engine 1 is started, and improve the energy efficiency of the engine 1.

[0065] During the use of the air compressor 2 and the refrigeration and heating system, the controller and the magnetic steel 25 can control the speed of the input pulley 22 of the air compressor 2, and effectively control the opening, closing and starting refrigeration and heating intensity of the air compressor 2 and the refrigeration and heating system, so that the refrigeration and heating are also synchronously and accurately controlled, and the output efficiency of the kinetic energy of the crankshaft of the engine 1 can be controlled. The control operation of the entire air compressor 2 and the refrigeration and heating system is simple and reliable.

[0066] Embodiment 2

[0067] The difference between embodiment 2 and embodiment 1 is basically as shown in the accompanying Figure 4 , Figure 5 and Figure 6 , which is intended to provide a rear-mounted engine, which comprises an engine body, an engine housing 31, a differential body 41, a differential housing 411 and an air compressor power take-off structure on the engine in embodiment 1; as Figure 5As shown, the engine body includes a skid structure 5, an input shaft 321, a driving shaft 323, a driven shaft 325, a shift shaft 327 and an output shaft 330, the input shaft 321 is coaxially fixedly provided with an input gear 322; the driving shaft 323 is coaxially fixedly provided with a plurality of driving gears 324, one of which is engaged with the input gear 322; the end of the driven shaft 325 is coaxially fixedly provided with a locking gear 58 and a plurality of driven gears 326 which can be engaged with the driving gears 324; one end of the shift shaft 327 is provided with a shift operation part 328, and the middle part of the shift shaft 327 is provided with a plurality of shift fork structures 329 which control the engagement of the driving gears 324 and the driven gears 326; the output shaft 330 is provided with an output gear 331 which is power-connected with the driven shaft 325, and the output shaft 330 is power-connected with the differential body 41.

[0068] As shown in Figure 5 , the engine housing 31 includes a cover 311 on the left side of the engine 1, a left box body 312, a right box body 313 and a right box cover 314, the right side of the cover 311 is sealingly connected with the left side of the left box body 312 by bolts and sealing strips, the right upper side of the left box body 312 is sealingly connected with the left side of the right box body 313 by bolts and sealing strips, the right side of the right box body 313 is sealingly connected with the left side of the right box cover 314 by bolts and sealing strips, the cover 311, the left box body 312 and the right box body 313 wrap the engine body, the right box body 313 and the right box cover 314 cooperate to wrap the start-stop speed regulation transmission part, and the right lower side wall of the left box body 312 is exposed and cooperatively connected with the differential body 41 and the differential housing 411.

[0069] As shown in Figure 4 and Figure 5 , the left end face of the differential housing 411 is sealingly connected with the right lower end face of the left box body 312 by bolts and sealing strips, the differential body 41 is located between the differential housing 411 and the lower side of the left box body 312, the right end of the differential body 41 is power output after passing through the differential housing 411, and the left end of the differential body 41 is power output after passing through the left side of the left box body 312.

[0070] The air compressor power take-off structure is installed on the engine body, the engine housing 31 and the differential housing 411, the air compressor 22 is located between the output disc 24 and the right end of the differential body 41, the left end of the mounting and connecting plate 231231 is connected with the outer wall of the differential housing 411 by bolts, and the remaining part of the fixed connecting block 211 is connected with the right box cover 314 by bolts.

[0071] As shown in Figure 6As shown, the anti-skid wheel structure 5 comprises an adjusting ring 51, a positioning shaft 52 and a locking plate 53, the adjusting ring 51 is coaxially fixedly installed on the end of the shift shaft 327 away from the shift operating part 328; the positioning shaft 52 is a positioning bolt, the front end of the positioning shaft 52 is threadedly fixedly connected with the inside of the left box body 312, the axis of the positioning shaft 52 is parallel to the axis of the shift shaft 327; meanwhile, the longitudinal section of the locking plate 53 is in the shape of an inverted "T", the middle part of the locking plate 53 is provided with a hinged hole through which the end of the positioning shaft 52 away from the engine casing 31 passes, the upper end of the locking plate 53 is provided with a mounting hole for rotatingly connecting with the outer wall of the adjusting ring 51, the lower end of the locking plate 53 is provided with engagement teeth 57 which can engage with the locking gear 58, the number of the engagement teeth 57 is three; the locking plate 53 and the adjusting ring 51 are provided with a locking and separating adjusting part which controls the engagement of the engagement teeth 57 and the locking gear 58 or the separation thereof.

[0072] As shown in the figure, Figure 6 the locking and separating adjusting part comprises a first flange 54 and a second flange 55, the first flange 54 is integrally formed on the outer wall of the adjusting ring 51; the second flange 55 is integrally formed in the mounting hole of the locking plate 53, the second flange 55 can abut against the top end of the first flange 54, the first flange 54 is provided with a separating groove 56 in which the second flange 55 is embedded; when the adjusting ring 51 is rotated to the position where the second flange 55 abuts against the top end of the first flange 54, the engagement teeth 57 engage with the locking gear 58 to be locked; when the adjusting ring 51 is rotated to the position where the second flange 55 abuts against the inner wall of the separating groove 56, the engagement teeth 57 are separated from the locking gear 58.

[0073] When the rear-mounted engine in the embodiment is in use and the air compressor on the engine is not started, the crankshaft in the engine 1 drives the input shaft 321 to rotate, the input gear 322 on the input shaft 321 engages with the driving gear 324 on the driving shaft 323 to drive the driving shaft 323 to rotate, at this time, the driver controls the shift fork structure 329 through the shift operating part 328 on the shift shaft 327 to drive the driving gear 324 on the driving shaft 323 to engage with the driven gear 326 on the driven shaft 325, so as to realize gear shifting and power transmission, the driven shaft 325 transmits power to the output gear 331 on the output shaft 330, the output gear 331 drives the output shaft 330 to rotate, the output shaft 330 transmits power to the differential body 41, the left end of the differential body 41 transmits power to the left wheel on the rear side of the three-wheeled motorcycle, the right end of the differential body 41 transmits power to the right wheel on the rear side of the three-wheeled motorcycle, in this process, the power of the engine 1 is accurately and completely transmitted to the rear wheels of the three-wheeled motorcycle.

[0074] In the above process, after the differential housing 411 is matched with the left box body 312, the differential body 41 can be integrated and installed between the differential housing 411 and the left box body 312, so that the power transmission between the differential body 41 and the output shaft 330 is more direct, the power loss between the differential body 41 and the output shaft 330 can also be smaller, the power output at both ends of the differential body 41 is more direct and strong, and the transmission efficiency of kinetic energy is improved.

[0075] When the power taking structure of the air compressor on the engine is started, the magnetic steel 25 is started through the controller, and part of the power on the crankshaft of the engine 1 is transmitted to the output disc 24 through the magnetic steel 25 on the right side. As in Embodiment 1, this part of kinetic energy is used to the air compressor 22 and the refrigeration and heating system, realizing the application of power taking to the temperature adjustment in the cab, and the remaining power output at the crankshaft is still used to drive the engine body and the differential body 41, so that the running of the three-wheeled motorcycle is not affected, and the driving comfort in the cab of the three-wheeled motorcycle is obviously improved.

[0076] When the three-wheeled motorcycle is parked on a slope, as shown in Figure 6 The driver controls the shift shaft 327 to rotate counterclockwise through the shift operation part 328 on the shift shaft 327, the shift shaft 327 drives the adjustment ring 51 on the front end to rotate synchronously, the separation groove 56 on the adjustment ring 51 rotates counterclockwise synchronously, the first flange 54 on the adjustment ring 51 abuts against the top of the second flange 55, the first flange 54 lifts the second flange 55, the left upper end of the locking plate 53 moves to the left upper side, the middle part of the locking plate 53 rotates relative to the positioning shaft 52, the lower end of the locking plate 53 approaches the locking gear 58 of the driven shaft 325, the meshing teeth 57 on the locking plate 53 mesh with the locking gear 58, and then the locking gear 58 is locked, realizing the locking of the driven shaft 325, so that the three-wheeled motorcycle is less likely to slide on the slope when parked, and the safety of the three-wheeled motorcycle parked on the slope is improved; in this process, the shift operation of the shift shaft 327 and the locking operation of the locking gear 58 are matched, and the three-wheeled motorcycle slope parking operation is also simple and reliable and has high integration.

[0077] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A power take-off structure for an air compressor on an engine, characterized in that, include: An air compressor mounted on the engine housing; A power take-off unit connected to the engine power supply; The air compressor is poweredly connected to the power take-off unit via the transmission unit. The power take-off unit includes: A start-stop speed control transmission unit that is powered by the crankshaft of the engine; The output wheel is coaxially and fixedly connected to the power output end of the start-stop speed regulation transmission unit, and the output wheel is connected to the power transmission unit. The transmission unit includes: An input wheel is coaxially and fixedly connected to the power input end of the air compressor; A transmission belt, which is tensioned and wound around an input wheel and an output wheel; It also includes an installation unit, which comprises: A plurality of fixed connecting blocks are fixedly installed on the outer wall of the air compressor. The fixed connecting blocks are provided with a plurality of first connecting holes that can be connected to the outer wall of the engine. The fixed connecting blocks are located in the middle of the air compressor. The mounting connecting plate is Z-shaped. One end of the mounting connecting plate abuts against the outer wall of the engine, and the other end of the mounting connecting plate abuts against the side of the fixed connecting block near the outer wall of the engine. The end of the mounting connecting plate near the fixed connecting block is provided with a second mounting hole that can coincide with and connect to the first connecting hole of the fixed connecting block. The end of the mounting connecting plate near the engine is provided with a third mounting hole that can connect to the engine.

2. The power take-off structure for an air compressor on an engine as described in claim 1, characterized in that, The start / stop speed control transmission part is a magnet.

3. A rear-mounted engine, comprising an engine body and an engine housing, characterized in that, Also includes: An air compressor power take-off structure for an engine as described in claim 1 or 2; The differential body is connected in transmission to the engine body; A differential housing, the end face of which is connected to the end face of the engine housing, the differential body is located between the differential housing and the engine housing, one end of the differential body passes through the differential housing and outputs power, and the other end of the differential body passes through the engine housing and outputs power. The air compressor power take-off structure is installed on the engine body, engine housing, and differential housing.

4. The rear-mounted engine as described in claim 3, characterized in that, The air compressor is located between the output wheel and the differential body. The end of the mounting plate near the engine is connected to the differential housing, and the remaining part is fixed to the connecting block and connected to the engine housing. The middle part of the mounting connecting plate is vertical, the second mounting hole vertically penetrates the upper end of the mounting connecting plate, and the third mounting hole vertically penetrates the lower end of the mounting connecting plate.

5. The rear-mounted engine as described in claim 4, characterized in that, The engine body includes: An input shaft, on which an input gear is provided; A drive shaft, on which a plurality of drive gears are provided, one of which meshes with an input gear; The driven shaft has a locking gear and several driven gears that can mesh with the driving gear at its end; A shift shaft, one end of which is provided with a shift operation part, and the middle part of the shift shaft is provided with a plurality of shift fork structures for controlling the meshing of the driving gear and the driven gear; The output shaft is equipped with an output gear that is poweredly connected to the driven shaft, and the output shaft is poweredly connected to the differential body.

6. The rear-mounted engine as described in claim 5, characterized in that, It also includes an anti-skid vehicle structure, which comprises: An adjusting ring is coaxially and fixedly installed on the end of the shift shaft away from the shift operation part. A positioning shaft, one end of which is fixedly connected to the engine housing, and the axis of the positioning shaft is parallel to the axis of the shift shaft; The locking plate has a hinge hole in the middle for the end of the positioning shaft away from the engine housing to pass through, a mounting hole at one end of the locking plate for rotatable connection with the outer wall of the adjusting ring, and a meshing tooth on the other end of the locking plate that can mesh with the locking gear; and a locking separation adjustment part between the locking plate and the adjusting ring for controlling the meshing tooth to mesh with or separate from the locking gear.

7. The rear-mounted engine as described in claim 6, characterized in that, The locking separation adjustment unit includes: The first flange is fixedly disposed on the outer wall of the adjusting ring; The second flange is fixedly installed in the mounting hole of the locking plate. The second flange can abut against the top end of the first flange. The first flange is provided with a separation groove for the second flange to be inserted. When the adjusting ring rotates to the point where the second flange abuts against the top end of the first flange, the meshing teeth engage with the locking gear and lock. When the adjusting ring rotates to the point where the second flange abuts against the inner wall of the separation groove, the meshing teeth disengage from the locking gear.

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