CN212332845U

CN212332845U - Motor tricycle

Info

Publication number: CN212332845U
Application number: CN202021055562.3U
Authority: CN
Inventors: 孙宁; 邵长辉; 吴志刚
Original assignee: Ningbo Zhongtai Automobile Parts Co ltd
Current assignee: Ningbo Zhongtai Automobile Parts Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-12
Anticipated expiration: 2030-06-10

Abstract

The utility model provides a motor tricycle belongs to vehicle technical field. A motor tricycle comprises a frame, a front suspension structure, a rear suspension structure and an adjusting device; the utility model discloses set up adjusting device and act on the stock that stretches out on the rear suspension structure, the regulation movable block in the adjusting device is at the driver, move on the stock under the effect of driving screw and guide bar, adjust the stress arm of force that the stock was adjusted to the distance between movable block and the rear suspension structure through the change, when reducing the stress arm of force, can strengthen the restriction intensity of stock to rear suspension structure, thereby reduce rear suspension structure's slope volume, the emergence of incident such as the car that turns over has been prevented, and when increasing the stress arm of force, can weaken the restriction intensity of stock to rear suspension structure, thereby the slope volume of rear suspension structure has been increased, make vehicle self-adaptation road conditions, the operational requirement under the two kinds of running state of high speed and low-speed of vehicle has effectively been taken into account, the safety guarantee nature is higher, long service life, it is more comfortable to take.

Description

Motor tricycle

Technical Field

The utility model relates to a technical field of vehicle specifically is to relate to a motor tricycle.

Background

The motor tricycle is a mainstream vehicle at present due to low price and good trafficability, and is favored by consumers.

However, at present, in the case of a motor tricycle on the market, due to the structural limitation, when the motor tricycle runs at a low speed, the suspension structure of the two rear wheels is realized by connecting the shock absorbers and the connecting rods, so that when the motor tricycle turns or passes through an uneven road, the motor tricycle can incline, if the speed is low, the problem of serious inclination can be caused, the damage to the vehicle structure can be caused, and even a safety accident such as rollover can be caused.

As described above, the conventional motor tricycle has a problem that the inclination amount of the vehicle cannot be satisfied at both the high speed and the low speed.

Disclosure of Invention

In view of the above problems in the prior art, it is an object of the present invention to provide a motor tricycle, wherein an adjusting device is provided on a rear suspension structure of a rear wheel, the adjusting device acts on a transverse long rod extending from the suspension structure, and the adjusting device can adjust the length of the long rod, so as to change the force arm of the long rod, and when the force arm of the long rod is relatively short, the deformation capability of the long rod is weakened, so as to strengthen the limiting strength of the long rod on the rear suspension structure, thereby reducing the inclination of the rear suspension structure, and adapting to the low-speed operation requirement, and when the force arm of the long rod is relatively long, the deformation capability of the long rod is strengthened, so as to weaken the limiting strength of the long rod on the rear suspension structure, so that the rear suspension structure can be inclined at will according to the road condition, thereby adapting to meet the high-speed operation requirement, so as to simultaneously achieve the inclination, the safety is improved, and meanwhile, the driving experience is also improved.

The specific technical scheme is as follows:

motor tricycle, having the characteristics of comprising:

a frame having a front end and a rear end;

the front suspension structure is arranged on the front end of the frame, and a front wheel is arranged on the front suspension structure;

the rear suspension structure is arranged at the rear end of the frame, two rear wheels are arranged on the rear suspension structure, and meanwhile, the rear suspension structure is provided with a long rod horizontally extending towards one side of the frame;

adjusting device, adjusting device sets up in the rear end of frame and is located between frame and the back suspension structure, adjusting device includes the driver, accommodate the lead screw, the guide bar and adjusts the movable block, accommodate the lead screw sets up with the parallel and interval of stock, the accommodate the lead screw side is provided with the guide bar side by side, the driver sets up on the frame and is connected with accommodate the lead screw, the one end spiro union of adjusting the movable block is on accommodate the lead screw and the cover is located on the guide bar, the regulation hole has been seted up to the other end of adjusting the movable block, and the one end of stock stretches into in the regulation hole.

In the motor tricycle, the long rod is made of spring steel.

The front suspension structure comprises a front support frame and a front shock absorber, one end of the front support frame is hinged to the front end of the frame, the other end of the front support frame extends towards the direction deviating from the frame, a front wheel is arranged at one end of the front support frame extending out, a raised support plate is arranged at the front end of the frame, the front shock absorber is arranged between the front support frame and the frame, and the two ends of the front shock absorber are hinged to one end of the front support frame extending out and the upper portion of the support plate respectively.

The front support frame is of a double-support structure and comprises two front support arms which are symmetrically arranged at intervals and are respectively positioned on two sides of the frame, and two ends of a wheel shaft of the front wheel are respectively arranged on the two front support arms.

The utility model provides a foretell motor tricycle, wherein, the rear suspension structure includes middle support frame, the collateral branch strut, the rear shock absorber, wheel installed part and intermediate junction spare, middle support frame is fixed in the rear end of frame, and simultaneously, the both sides of middle support frame all articulate there is the collateral branch strut, and each collateral branch strut deviates from the one end that articulates in middle support frame and all articulates there is a wheel installed part, and all be provided with the rear wheel on each wheel installed part, and simultaneously, the top of middle support frame articulates there is an intermediate junction spare, and the both sides of intermediate junction spare articulate respectively has a rear shock absorber, and two rear shock absorbers still are provided with the one end of rear wheel with the collateral branch strut that corresponds the side respectively.

The arrangement direction of the articulated shaft of the middle connecting piece and the middle supporting frame is perpendicular to the direction of the connecting line of the two rear wheels, one end of the long rod is fixed on the middle connecting piece, and the direction of the articulated shaft of the middle connecting piece and the middle supporting frame is consistent with the arrangement direction of the long rod.

The side support frames on each side are respectively provided with two side support frames, the two side support frames on the same side are respectively an upper support frame and a lower support frame, the upper support frame is arranged above the lower support frame, and the rear shock absorbers corresponding to the sides are hinged to the upper support frame or the lower support frame.

The motor tricycle further comprises a steering device, wherein the steering device is arranged at the front end of the frame and acts on the front wheel.

In the motor tricycle, the steering wheel is sleeved on the wheel shaft of the front wheel, the steering wheel is provided with the steering connecting hole, and one end of the connecting rod of the steering device is hinged to the steering connecting hole.

The motor tricycle further comprises a seat, wherein the seat is arranged at the rear end of the frame and is located between the steering device and the adjusting device.

The positive effects of the technical scheme are as follows:

the motor tricycle has the advantages that the adjusting device is arranged between the frame and the rear suspension structure, the rear suspension structure is provided with the long rod which horizontally extends out, the adjusting moving block in the adjusting device is sleeved on the long rod and is in threaded connection with the adjusting lead screw connected with the driver, so that when the driver drives the adjusting lead screw to rotate, the adjusting moving block can be driven to move on the adjusting lead screw, the stress arm of force of the long rod under the action of the adjusting moving block is adjusted, when the adjusting moving block is close to the middle connecting piece to enable the stress arm of force of the long rod to be shorter, the deformation capacity of the long rod is weakened, the limiting strength of the long rod on the rear suspension structure is enhanced, the inclination of the rear suspension structure is reduced, the posture is more stable, the operation requirement of the low-speed motor is met, in addition, when the adjusting moving block is far away from, the deformability reinforcing of stock for the stock weakens the restriction intensity of back suspension structure, makes back suspension structure can incline according to the road conditions at will, and adaptability is stronger, the better demand that has satisfied the high-speed operation of vehicle, thereby makes the vehicle can satisfy two kinds of running state at high speed and low-speed simultaneously, has avoided vehicle structure's damage, has improved the security, has promoted the experience of driving.

Drawings

Fig. 1 is a view-angle structural diagram of an embodiment of a three-wheeled motorcycle according to the present invention;

fig. 2 is a structural view of another perspective of an embodiment of a three-wheeled motorcycle according to the present invention;

fig. 3 is a fitting view of an adjusting device and a rear suspension structure of a motor tricycle according to an embodiment of the present invention.

Fig. 4 is a structural view of a front wheel of a motor tricycle according to an embodiment of the present invention.

In the drawings: 1. a frame; 11. a support plate; 2. a front suspension structure; 21. a front support frame; 22. a front shock absorber; 211. a front support arm; 3. a rear suspension structure; 31. a middle support frame; 32. a side support frame; 33. a rear shock absorber; 34. a wheel mount; 35. an intermediate connecting member; 321. an upper support frame; 322. a lower support frame; 4. an adjustment device; 41. a driver; 42. adjusting the screw rod; 43. a guide bar; 44. adjusting the moving block; 441. an adjustment hole; 5. a front wheel; 51. a steering wheel; 52. a wheel axle; 511. a steering connecting hole; 521. a rotating shaft; 6. a rear wheel; 7. a long rod; 8. a steering device; 9. a chair.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 4, but the following contents are not intended to limit the present invention.

Fig. 1 is a view-angle structural diagram of an embodiment of a three-wheeled motorcycle according to the present invention; fig. 2 is a structural view of another perspective of an embodiment of the motor tricycle of the present invention. As shown in fig. 1 and 2, the present embodiment provides a three-wheeled motorcycle including: frame 1, preceding suspended structure 2, back suspended structure 3 and adjusting device 4, be provided with front wheel 5 on the preceding suspended structure 2, be provided with rear wheel 6 on the back suspended structure 3, preceding suspended structure 2 sets up respectively in the both ends of frame 1 with back suspended structure 3, and is provided with adjusting device 4 and acts on back suspended structure 3 between back suspended structure 3 and the frame 1.

Specifically, frame 1 has a certain length, and the both ends of frame 1 are front end and rear end respectively, provide structural support for front suspension 2 and rear suspension 3 respectively through the front end and the rear end of frame 1.

Specifically, front suspension 2 sets up on the front end of frame 1, and front wheel 5 on the front suspension 2 is located the ascending jackshaft of frame 1 length direction, provides the support for the front end of frame 1 through front wheel 5 that sets up on the front suspension 2, can realize the removal of frame 1 under the condition of front wheel 5 pivoted.

Specifically, rear suspension 3 sets up on the rear end of frame 1, and is provided with two rear wheels 6 on the rear suspension 3, and two rear wheels 6 are located 1 length direction's of frame both sides respectively to make front wheel 5 and two rear wheels 6 be isosceles triangle and distribute, thereby improved the stability of vehicle when the tricycle supports, also guaranteed the homogeneity of frame 1 atress, structural design is more reasonable. Simultaneously, rear suspension 3 is provided with one towards frame 1 one side level extension's stock 7 for other structural component are connected to rear suspension 3 accessible stock 7, adjust the condition for follow-up slope to rear suspension 3.

Fig. 3 is a fitting view of an adjusting device and a rear suspension structure of a motor tricycle according to an embodiment of the present invention. As shown in fig. 1, 2 and 3, the adjusting device 4 is disposed at the rear end of the vehicle frame 1 and between the vehicle frame 1 and the rear suspension structure 3, the adjusting device 4 includes a driver 41, an adjusting screw 42, a guide rod 43 and an adjusting moving block 44, the adjusting screw 42 is disposed in parallel with and spaced from the long rod 7, meanwhile, the guide rods 43 are arranged beside the adjusting screw rod 42 in parallel, so that the long rod 7, the adjusting screw rod 42 and the guide rods 43 are all in the same axial direction, and, the driver 41 is installed on the frame 1 and connected with the adjusting screw rod 42, so that the driver 41 can drive the adjusting screw rod 42 to rotate, at this time, when the adjusting screw rod 42 rotates, the adjusting moving block 44 moves back and forth along the axial direction of the adjusting screw rod 42 and the guide rod 43 under the combined action of the guide rod 43 and the adjusting screw rod 42, that is, the adjusting moving block 44 moves back and forth along the arrangement direction of the long rod 7. And, adjust the one end spiro union of movable block 44 on accommodate the lead screw 42 and the cover is located on the guide bar 43, adjust the other end of movable block 44 and seted up regulation hole 441, and the one end of stock 7 stretches into in regulation hole 441, make and adjust movable block 44 and can slide on stock 7, thereby make when adjusting movable block 44 and doing the round trip movement, the length of stock 7 between adjustable regulation movable block 44 and the back suspended structure 3, thereby adjust the atress arm of force of stock 7, thereby change the deformability of stock 7, make the restriction intensity of stock 7 to back suspended structure 3 can change along with the removal of adjusting movable block 44, thereby adapt to the user demand to the different inclinations of back suspended structure 3 under two kinds of running state at low speed of vehicle and high speed. At this moment, when the vehicle low-speed operation, drive accommodate the lead screw 42 through driver 41 and rotate, make and adjust movable block 44 and remove to the position that is close to rear suspension structure 3, it is shorter to make the length of adjusting the stock 7 between movable block 44 and the rear suspension structure 3, thereby make the atress arm of force of stock 7 shorter, make the deformability of stock 7 weaken, the restriction intensity reinforcing of stock 7 to rear suspension structure 3 promptly, thereby reduce rear suspension structure 3's slope volume, the gesture is more stable, avoid the vehicle when turning or through uneven road surface, because the serious slope problem that the speed is lower leads to, the damage of vehicle structure has been avoided, prevent the emergence of incident such as rollover. In addition, when the vehicle high speed operation, drive accommodate the lead screw 42 antiport through the driver 41, make and adjust the movable block 44 and remove to the position of keeping away from back suspended structure 3, it is longer to make the length of adjusting the long pole 7 between movable block 44 and the back suspended structure 3, thereby make the atress arm of force of long pole 7 longer, make the deformability reinforcing of long pole 7, long pole 7 weakens to back suspended structure 3's restriction intensity promptly, thereby make back suspended structure 3 can incline according to the road conditions at will, thereby adapt to the demand when the vehicle high speed operation, the vibration has been alleviateed, the damage of structure has been avoided, the experience of taking has been promoted, structural design is more reasonable.

More specifically, one end of the long rod 7 which is fixed on the rear suspension structure 3 and is matched with the adjusting device 4 for use is made of spring steel, so that the spring steel has the characteristics of excellent mechanical property, excellent anti-damping property, excellent anti-fatigue property, excellent hardenability, physical and chemical properties and the like, is more suitable for the use environment with complicated stress such as limitation on the rear suspension structure 3 on a vehicle, and is more reasonable in material selection.

More specifically, the front suspension structure 2 arranged at the front end of the frame 1 further comprises a front support frame 21 and a front shock absorber 22, one end of the front support frame 21 is hinged to the front end of the frame 1, the other end of the front support frame 21 extends out towards the direction departing from the frame 1, namely, the front support frame 21 extends out from the front end of the frame 1, and the extended front support frame 21 can deflect on the frame 1, so that the front suspension structure adapts to the fluctuating road condition in the advancing process. Meanwhile, the front wheel 5 is arranged on the end of the front support frame 21 extending out, namely, a mounting carrier is provided for mounting the front wheel 5 through the front support frame 21. Meanwhile, the front end of the frame 1 is provided with the raised support plate 11, the front shock absorber 22 is arranged between the front support frame 21 and the frame 1, and two ends of the front shock absorber 22 are respectively hinged to one end, extending out of the front support frame 21, of the upper portion of the support plate 11, so that when the vehicle passes through an uneven road surface, the front support frame 21 can fluctuate along with the front wheel 5, the front support frame 21 deflects around the hinged position with the frame 1, the front shock absorber 22 can adapt to the deflection of the front support frame 21 and absorb vibration, the road condition can be adapted to, the passing performance of the vehicle is guaranteed, the riding comfort is improved, and the structural design is more reasonable.

More specifically, the front supporting frame 21 has a double-supporting structure, in this case, the front supporting frame 21 further includes two front supporting arms 211, the two front supporting arms 211 are symmetrically arranged at intervals, and the two front support arms 211 are respectively positioned at the two sides of the frame 1, and the two ends of the axle 52 of the front wheel 5 are respectively arranged on the two front support arms 211, the two sides of the front wheel 5 are both provided with the structures connected to the frame 1, so that the stress of the front wheel 5 and the frame 1 is more uniform, the stability is higher, the front wheel 5 can be positioned on the middle axis of the frame 1 in the length direction, the controllability of the vehicle is improved, the installation and the connection of other structural components are facilitated, in addition, also can make preceding bumper shock absorber 22 can be provided with two, and bumper shock absorber 22 before a support arm 211 corresponds, has further improved the structural strength and the shock attenuation effect of vehicle, and bearing capacity is stronger, and it is more comfortable to take experience to feel, and structural design is more reasonable.

More specifically, the rear suspension structure 3 disposed at the rear end of the frame 1 further includes an intermediate support frame 31, a side support frame 32, a rear shock absorber 33, a wheel mounting member 34, and an intermediate connecting member 35, the intermediate support frame 31 is fixed at the rear end of the frame 1, and the extension of the frame 1 at the rear end is realized through the intermediate support frame 31, so as to facilitate the installation of other structural components. Simultaneously, the both sides of middle support frame 31 all articulate there is side support frame 32, the both sides of middle support frame 31 all stretch out through the side support frame 32 that corresponds promptly, and each side support frame 32 deviates from the one end that articulates in middle support frame 31 and all articulates there is a wheel installed part 34, and all be provided with rear wheel 6 on each wheel installed part 34, even the both sides that get the rear end of frame 1 are provided with a rear wheel 6 respectively, thereby make two rear wheel 6 and a front wheel 5 be isosceles triangle and distribute on frame 1, structural stability is higher, the atress is more even. Meanwhile, the top of the middle support frame 31 is hinged with a middle connecting piece 35, two sides of the middle connecting piece 35 are respectively hinged with a rear shock absorber 33, the two rear shock absorbers 33 are respectively hinged with one end of the side support frame 32 on the corresponding side, which is provided with the rear wheel 6, at the moment, when the vehicle passes through an uneven road surface, the rear wheel 6 drives the corresponding side support frame 32 to deflect around the hinged position of the side support frame 32 and the middle support frame 31, the corresponding rear shock absorbers 33 not only realize the support of the side support frame 32 on the corresponding side, but also realize the energy absorption and shock absorption, meanwhile, when the fluctuation of the rear wheel 6 of the side support frame 32 deflects, the middle connecting piece 35 can correspondingly deflect under the action of the rear shock absorbers 33, so that the vehicle adapts to the running environment, and the structural design is more reasonable.

More specifically, the arrangement direction of the hinge shaft of the middle connecting piece 35 hinged to the middle support frame 31 is perpendicular to the connecting line of the two rear wheels 6, so that the deflection direction of the middle connecting piece 35 is consistent with the deflection direction of the side support frame 32, thereby adapting to the movement of the side support frame 32. In addition, one end of the long rod 7 is fixed on the middle connecting piece 35, and the direction of the hinged shaft of the middle connecting piece 35 and the middle supporting frame 31 is consistent with the setting direction of the long rod 7, so that the long rod 7 acts on the middle connecting piece 35, the deflection of the middle connecting piece 35 is limited, the deflection size of the middle connecting piece 35 is adjusted, the inclination amount of the rear suspension structure 3 is controlled, when an adjusting moving block 44 in the adjusting device 4 moves to be close to the middle connecting piece 35, the length of a stress arm of the long rod 7 is smaller, the deformation capacity of the long rod 7 is poor, the deflection of the middle connecting piece 35 is limited, the inclination amount of the rear suspension structure 3 is reduced, the running requirement of a vehicle at a low speed is met, and the safety problem of vehicle turnover caused by excessive inclination is prevented; and when adjusting movable block 44 and removing to keeping away from intermediate junction spare 35, the length of the atress arm of force of stock 7 is longer, it is better to lead to the deformability of stock 7, it is less to make stock 7 to intermediate junction spare 35's limiting action, intermediate junction spare 35 can take place great deflection under the effect of rear shock absorber 33, thereby make the increase of the deflection of back suspended structure 3, the fast-speed operation demand of adaptation vehicle, the too big problem of vibration in the high-speed motion has been avoided, riding comfort has been improved.

More specifically, the collateral branch support frame 32 of every side all is provided with two, the both sides support frame 32 of homonymy is last support frame 321 and lower carriage 322 respectively, it sets up in the top of lower carriage 322 to go up support frame 321, and the rear shock absorber 33 who corresponds the side articulates on last support frame 321 or lower carriage 322, the structural strength of collateral branch support frame 32 has not only been improved, promote rear suspension structure 3's bearing capacity, and simultaneously, still can make the upper and lower part of wheel installed part 34 articulated by last support frame 321 and lower carriage 322 respectively, thereby the problem of wheel installed part 34 taking place the deflection in the vertical plane has been prevented, the stability of structure has been improved, it is higher also to make rear suspension structure 3's flexibility simultaneously, adaptability is stronger, structural design is more reasonable.

More specifically, still be provided with on frame 1 and turn to device 8, turn to device 8 and set up in the front end of frame 1 and act on front wheel 5, the deflection of driver's accessible steering device 8 control front wheel 5 promptly to the realization is to the control of vehicle direction of motion, and it is more convenient to operate.

Fig. 4 is a structural view of a front wheel of a motor tricycle according to an embodiment of the present invention. As shown in fig. 1, 2 and 4, a steering wheel 51 is sleeved on a wheel shaft 52 of a front wheel 5 on the front suspension structure 2, the steering wheel 51 is provided with a steering connection hole 511, one end of a link of a steering device 8 is hinged on the steering connection hole 511, at this time, a rotating shaft 521 is vertically arranged in the middle of the wheel shaft 52 of the front wheel 5, and a rotating shaft hole capable of accommodating the rotating shaft 521 is radially arranged in the center of the front wheel 5, so that after the front wheel 5 is mounted on the wheel shaft 52, the rotating shaft 521 is located in the rotating shaft hole, two sides of the front wheel 5 are fixed by the steering wheel 51, and the rotating shaft 521 is clamped between the two steering wheels 51, so that the front wheel 5 can deflect on the wheel shaft 52 around the axis of the rotating shaft 521 under the driving of the steering wheel 51, thereby realizing the adjustment of the direction of.

More specifically, still be provided with seat 9 on frame 1, seat 9 sets up in the rear end of frame 1 and is located and turns to between device 8 and the adjusting device 4, has provided the riding space for driver and passenger through frame 1, improves the riding comfort.

As a preferred embodiment, the upper support frame 321 and the lower support frame 322 are both arranged in a triangular structure, and the upper support frame 321 and the lower support frame 322 have higher structural strength and more stable structure, so as to better support the rear wheel 6 and improve the carrying capacity of the vehicle.

The motor tricycle provided by the embodiment is characterized in that the adjusting device 4 is arranged between the frame 1 and the rear suspension structure 3, the rear suspension structure 3 is provided with the extended long rod 7, the adjusting moving block 44 in the adjusting device 4 is sleeved outside the long rod 7, the adjusting moving block 44 is driven by the driver 41 in the adjusting device 4 to drive the adjusting screw rod 42 to rotate and slide along the guide rod 43 in the adjusting device 4, so that the stress arm of the long rod 7 is adjusted by changing the distance between the adjusting moving block 44 and the rear suspension structure 3, the limiting strength of the long rod 7 on the rear suspension structure 3 is changed, when a vehicle runs at a low speed, the stress arm of the long rod 7 can be reduced, the limiting strength of the long rod 7 on the rear suspension structure 3 is enhanced, the inclination of the rear suspension structure 3 is reduced, accidents such as rollover are prevented, when the vehicle runs at a high speed, can increase the atress arm of force of stock 7 for stock 7 weakens the restriction intensity of rear suspension structure 3, thereby has increased rear suspension structure 3's slope volume, makes vehicle self-adaptation road conditions, has effectively compromise the operation demand under the two kinds of running state of vehicle high speed and low-speed, and the safety guarantee nature is higher, and life is longer, takes more comfortablely.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. A motor tricycle, comprising:

a frame having a front end and a rear end;

adjusting device, adjusting device set up in the rear end of frame just is located the frame with between the rear suspension structure, adjusting device includes driver, accommodate the lead screw, guide bar and regulation movable block, accommodate the lead screw with the stock is parallel and the interval sets up, accommodate the lead screw side is provided with side by side the guide bar, the driver set up in on the frame and with accommodate the lead screw is connected, the one end spiro union of adjusting the movable block in just the cover is located on the guide bar on the accommodate the lead screw, the adjustment hole has been seted up to the other end of adjusting the movable block, just the one end of stock stretches into in the adjustment hole.

2. Motor tricycle according to claim 1, characterised in that the rod is of spring steel.

3. A motor tricycle in accordance with claim 1, characterised in that the front suspension comprises a front support and a front shock absorber, one end of the front support is hinged to the front end of the frame, the other end of the front support extends in a direction away from the frame, the front wheel is arranged at the end of the front support extending, a raised support plate is arranged at the front end of the frame, the front shock absorber is arranged between the front support and the frame, and the two ends of the front shock absorber are respectively hinged to the end of the front support extending and the upper part of the support plate.

4. A motor tricycle in accordance with claim 3 wherein the front support frame is a double support structure comprising two front support arms, the two front support arms are symmetrically and spaced apart, and are respectively located at two sides of the frame, and two ends of the axle of the front wheel are respectively mounted on the two front support arms.

5. A motor tricycle according to claim 1, characterised in that the rear suspension comprises a central support frame, side support frames, rear shock absorbers, wheel mountings and a central link, the central support frame is fixed to the rear end of the frame, the side support frames are hinged to both sides of the central support frame, one end of each side support frame, which is opposite to the side support frame, is hinged to the central support frame, is hinged to a wheel mounting, each wheel mounting is provided with a rear wheel, the top of the central support frame is hinged to a central link, one rear shock absorber is hinged to each side of the central link, and the two rear shock absorbers are hinged to the ends of the side support frames on the corresponding sides, which are provided with the rear wheels.

6. A motor tricycle according to claim 5, wherein the hinge axis of the intermediate connecting member to the intermediate support frame is arranged in a direction perpendicular to the line connecting the two rear wheels, and one end of the long rod is fixed to the intermediate connecting member, and the hinge axis of the intermediate connecting member to the intermediate support frame is also arranged in the same direction as the long rod.

7. Motor tricycle according to claim 5, characterised in that there are two side supports on each side, the two side supports on the same side being an upper support and a lower support, respectively, the upper support being arranged above the lower support and the rear shock absorber on the corresponding side being hinged to the upper support or to the lower support.

8. Motor tricycle according to any of claims 1-7, characterised in that it further comprises a steering device arranged at the front end of the frame and acting on the front wheel.

9. A motor tricycle according to claim 8 characterised in that a steering wheel is sleeved on the axle of the front wheel and provided with a steering attachment hole, one end of the link of the steering device being hinged to the steering attachment hole.

10. Motor tricycle according to claim 8, further comprising a seat arranged at the rear end of the frame between the steering device and the adjustment device.