CN112356959B

CN112356959B - Electric tricycle

Info

Publication number: CN112356959B
Application number: CN202011199473.0A
Authority: CN
Inventors: 张钧星; 李少波; 张安思; 苏援农; 傅广
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2023-03-07
Anticipated expiration: 2040-11-02
Also published as: CN112356959A

Abstract

The invention discloses an electric tricycle which comprises three wheels, a single-arm shock absorption front fork, a front fork frame, a cushion, a body support column, a frame chassis, a shock absorption mechanism, a front steering gear of the tricycle and a driving mechanism. The shock absorption device is adopted to support the whole frame chassis, the shock absorption mechanism and the single-arm shock absorption front fork can realize compression, the distance between the two ends is reduced together to achieve the purpose of shock absorption, the elastic buffering can be realized on a bumpy road surface, the shock absorption effect is better, the tricycle is more comfortable to ride, and the service life of the tricycle is prolonged.

Description

Electric tricycle

Technical Field

The invention belongs to the technical field of electric tricycles, and relates to an electric tricycle.

Background

In poor areas, the manned tricycles still have large demands for daily traffic, the places have certain requirements for the load of the manned tricycles, and the matched road conditions are also poor, so that the manned tricycles have certain requirements. When the manned tricycle is used, the whole structure is not well optimized, and the whole tricycle is overweight, so that the load of the tricycle is insufficient; meanwhile, the structure is not optimized, and the size of the whole vehicle type design and production is insufficient, so that the requirement of a user on the manned quantity cannot be met. In addition, due to the problems of structural design, materials and the like, the overall cushioning effect is also poor and satisfactory, and the user experience and the using effect of the tricycle are influenced by the fact that the user cannot face a bumpy and variable road surface.

Most of the existing passenger tricycles can only carry 2-3 passengers, the riding quantity is small, and the structural design of the tricycle body is also small. Meanwhile, in the design of the cushioning structure of the chassis, certain problems exist, steep and variable road conditions cannot be met, better shock absorption cannot be carried out, and the using effect is influenced.

Due to the overall structural design of the tricycle, the selection of materials and other reasons, the overall structure of the tricycle is complex, the overall weight is heavier, the driving comfort is poor, the cushioning effect is poor, and the service life of the tricycle is shortened due to the complex structure and the heavier weight of the tricycle; poor cushioning effect can lead to the topography that the tricycle can travel to reduce user's comfort level, also can accelerate the ageing of tricycle, if do not take improvement measures, then greatly reduced the life-span of tricycle.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: an electro-tricycle is provided to solve the problems in the prior art.

The technical scheme adopted by the invention is as follows: the utility model provides an electric tricycle, which comprises a wheel, single armed damping front fork, the front fork frame, the automobile body support column, frame chassis, damper, tricycle rudder and actuating mechanism, the wheel adopts threely, the front side is one, rear side symmetrical arrangement is two, equal swivelling joint is on frame chassis, damper is installed to the wheel department of rear side, be provided with driving cushion and passenger's cushion around the frame chassis respectively, the wheel connection of back row has actuating mechanism, the wheel swivelling joint of front side is to single armed damping front fork lower extreme, single armed damping front fork upper end is to tricycle rudder, single armed damping front fork swivelling joint is to the front fork frame, front fork frame fixed connection is to frame chassis.

Preferably, above-mentioned electric tricycle still includes front windshield and rear windshield, and front windshield sets up at the front face board, and rear windshield sets up on the curb plate of back, and front face board and curb plate of back are fixed connection respectively at frame chassis front portion and rear portion upside.

Preferably, the two sides of the driving seat cushion are fixedly connected with vehicle body supporting columns, the upper ends of the vehicle body supporting columns are fixedly connected to a ceiling, and the front end and the rear end of the ceiling are respectively fixedly connected to the upper ends of the front face plate and the rear side plate.

Preferably, above-mentioned frame chassis includes left body frame, right body frame, left side down frame, right side down frame and seat supporting beam, left side body frame is bilateral symmetry structure with right body frame, the inside bending of front end, the rear end kickup, through bottom truss fixed connection between the two, left side down frame and right side down frame are the L type structure of handstand, rear end detachably fixed connection is respectively on left body frame rear end upper portion and right body frame rear end upper portion, the front end detachably fixed connection is respectively on left body frame and right body frame, seat supporting beam adopts two, both ends detachably fixed connection is on the horizontal segment of left side down frame and right side down frame.

Preferably, the rear ends of the left main frame and the right main frame are connected with the left inclined frame and the right inclined frame, a left fork lug and a right fork lug of a double-lug structure are respectively arranged at the positions of the left inclined frame and the right inclined frame, the rear ends of the left inclined frame and the right inclined frame are respectively inserted into the left fork lug and the right fork lug and locked through bolts, and the front ends of the left inclined frame and the right inclined frame abut against the left main frame and the right main frame and then are locked through screws.

Preferably, above-mentioned single-arm damping front fork includes crank, piston cylinder, front wheel, damping spring, piston rod and front fork, and the front fork is bending structure, and the piston rod of piston cylinder articulates on front fork upper portion, and crank one end articulates in the front fork lower part, and the jar seat of piston cylinder articulates at articulate middle part, has cup jointed damping spring on the piston cylinder, and the upper end supports and leans on the tip lantern ring of piston rod, and the lower extreme supports and leans on the lantern ring on the jar seat, and the crank other end passes through the bearing and articulates on the shaft of front wheel. The upper part of the front fork is provided with a first double lug which is hinged with the piston rod; the lower end of the front fork is provided with a double lug II, and the double lug II is hinged with the crank.

Preferably, above-mentioned front fork frame includes the support arm, connect the end, front fork right arm and front fork left arm, connect the end and be the big hollow cylinder of the little lower extreme in upper end, the U type structure that front fork left arm and front fork right arm constitute the handstand is installed to the lower extreme left and right sides symmetry respectively, the support arm is installed at the dead astern, and support arm upper end is higher than front fork left arm or front fork right arm upper end, it has a plurality of screws to distribute on the support arm length direction, front fork left arm and front fork right arm lower extreme are provided with two bolts of connecting the vehicle bottom dish respectively.

Preferably, the damping mechanism comprises a left damping steel plate, a right damping steel plate, U-shaped bolts, damping spring devices and a rear axle steering shaft, one end of each of the left damping steel plate and the right damping steel plate is fixedly connected to the left end and the right end of the rear axle steering shaft through the U-shaped bolts, the other end of each of the left damping steel plate and the right damping steel plate is hinged to the left main frame and the right main frame, the damping spring devices are two, and the left damping steel plate and the right damping steel plate are connected to the left inclined frame and the right inclined frame through the damping spring devices.

Preferably, the two ends of the damping spring device are hinged to the left damping steel plate and the left inclined frame and the right damping steel plate and the right inclined frame through a fork lug I and a fork lug II respectively.

Preferably, the other ends of the left side vibration damping steel plate and the right side vibration damping steel plate are respectively hinged to the left main frame and the right main frame through fork lugs.

Preferably, the wheel comprises a wheel body, the wheel body comprises a hub, a supporting upright post and an axle connecting part, the axle connecting part and the hub are respectively provided with a plurality of corresponding blind holes and through holes in the circumferential direction, the supporting upright posts are multiple, and each blind hole penetrates through the through hole and then is inserted into the blind hole and fixed; the axle connecting part comprises an inner ring and a raised ring, the inner ring and the raised ring are of an integrated structure, the raised ring is arranged at one end of the inner ring and keeps coaxial with the inner ring, a threaded blind hole is formed in the end face of the raised ring, a key groove is formed in the inner hole, and the outer cylindrical surface of the inner ring is fixedly connected with the supporting stand column.

Preferably, the driving mechanism comprises a motor, a gearbox, a rear axle housing and a shift lever, the motor is fixedly connected to the input end of the gearbox, two gears are arranged in the gearbox, the two gears are connected to the shift lever through a shifting fork, the shift lever movably penetrates through the gearbox and then is connected with a pull wire, the lower end of the gearbox is connected to the upper end face of the rear axle housing, and an output shaft is connected with a rear axle transmission shaft which is rotatably connected in the rear axle housing; the gearbox includes half box one, half box two, driving shaft and driven shaft, constitute the gearbox body after half box one and half box two butt joint are fixed, the equal swivelling joint of driving shaft and driven shaft is on the gearbox body, the driving shaft passes through gear drive and connects the motor shaft to the motor, the driving shaft is provided with two driving gears of axial activity, correspond engaged driven gear fixed connection on the driven shaft with two driving gears, the driven shaft passes through gear drive and constructs two to be connected to the rear axle transmission shaft on, the shift fork is located on the driving shaft between two driving gears.

The invention has the beneficial effects that: compared with the prior art, the invention has the following effects:

(1) According to the invention, the damping mechanism is arranged on the rear wheel and matched with the single-arm damping front fork arranged on the front wheel, the damping mechanism and the single-arm damping front fork support the whole frame chassis, when bumping, the damping mechanism and the single-arm damping front fork can realize compression, the distance between two ends is reduced together to achieve the purpose of damping, elastic buffering can be realized on a more bumpy road surface, the damping effect is better, the riding is more comfortable, more terrain can be adapted, the comfort level of a user is better, the elastic buffering is realized, the service life of each part of the tricycle is prolonged, and the service life of the tricycle is prolonged;

(2) The front windshield and the rear windshield are arranged, so that the observation of front and rear visual fields and the wind shielding and rain shielding can be realized;

(3) The roof is supported by the vehicle body supporting column and the front and rear side plates, so that the supporting stability is better, the supporting stability of the front and rear side plates can be improved, and the stability and reliability of the vehicle body are improved;

(4) The main frame, the inclined frame and the seat supporting beam are made into a modular structure and are independently designed, so that the space occupation during transportation is reduced, the transportation cost is reduced, and the material utilization rate during processing is improved; the bolt connection is adopted, so that the problem of deformation of parts caused by welding is effectively prevented, and the scrapped parts are convenient to disassemble and replace in time;

(5) On using piston rod and spiral damping spring through the piston cylinder for both states change, the shock attenuation facility that both combine plays the effect of bradyseism to whole automobile body, and the relative position of tire also can change before the tricycle simultaneously, reduces the effect of rugged road conditions, and both combined action can the bradyseism effect of greatly increased automobile body. Meanwhile, the structure of the single-arm front fork enables the whole structure to be more portable and the cost to be reduced. The integrated shock absorption and shock absorption structure reduces the cost and simultaneously makes the structure more compact;

(6) The single U-shaped bolt is used for connecting the left and right damping steel plates and the left and right inclined frames, so that the cost is saved, the number of holes punched in the steel plates is reduced by half, the strength of the steel plates is enhanced, the service life is prolonged, the economic benefit is increased, the damping effect of the tricycle can be improved by installing the damping spring device, the assembly and disassembly are easy, and the maintenance is convenient;

(7) The electro-tricycle adopts the wheel resolvers, and the supporting upright posts and the axle connecting part adopt the modular structure, so that the installation and welding are simplified, the product transportation cost is reduced, the production efficiency is improved, the profitability of an enterprise is improved, the later maintenance and the replacement of parts are facilitated, and the maintenance cost is reduced;

(8) The multi-gear design is adopted to replace the traditional direct drive mode of the motor without gears and the drive mode of the gear set rear axle to replace the traditional drive mode of the electric tricycle, and the multi-gear arrangement solves the defects that the road condition is poor, the backward force is weak when climbing a slope, the motor usually works in an overload mode, the motor is excessively heated, the service cycle of the motor is seriously influenced and the like; the gear set rear axle driving mode reduces the space required by the tricycle when the tricycle turns, and improves the traffic capacity of the tricycle.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of the rear portion of the tricycle;

FIG. 3 is a schematic perspective view of another embodiment of the present invention;

FIG. 4 is a schematic top view of the frame chassis;

FIG. 5 is a bottom view of the frame chassis;

FIG. 6 is a side view schematic of the frame chassis;

FIG. 7 is a perspective view of the chassis of the bicycle frame;

FIG. 8 is a perspective view of a single-arm front fork;

FIG. 9 is an enlarged view of part A of FIG. 8;

FIG. 10 is a schematic perspective view of a multi-arm front fork;

FIG. 11 is a schematic view of a multi-arm front fork mounting arrangement;

FIG. 12 is a front view of the damper mechanism;

FIG. 13 is a schematic diagram of a right-view structure of the damper mechanism;

FIG. 14 is a perspective view of the damper mechanism;

FIG. 15 is a left side view of the damper mechanism;

FIG. 16 is a perspective view of a modular wheel;

FIG. 17 is a front elevational view of the drive mechanism with the transmission housing disassembled;

FIG. 18 is a perspective view of the drive mechanism;

FIG. 19 is a schematic perspective view of the drive mechanism with the transmission housing disassembled;

fig. 20 is a schematic perspective view of the car hopper.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1-20, an electric tricycle, including wheel 1, single-arm shock attenuation front fork 2, front fork 3, cushion 5, automobile body support post 6, frame chassis 7, damper 8, tricycle front rudder 10 and actuating mechanism 9, wheel 1 adopts threely, the front side is one, the rear side symmetrical arrangement is two, all swivelling joint is to frame chassis 7, damper 8 is installed to the wheel 1 department of rear side, be provided with driving cushion 5 and passenger cushion 11 around frame chassis 7 respectively, the wheel 1 of back row is connected with actuating mechanism 9, wheel 1 swivelling joint of front side is to single-arm shock attenuation front fork 2 lower extreme, single-arm shock attenuation front fork 2 upper end is to tricycle front rudder 10, single-arm shock attenuation front fork 2 swivelling joint is to front fork 3, front fork 3 fixed connection is to frame chassis 7.

Preferably, the electric tricycle further comprises a front windshield 4 and a rear windshield 12, wherein the front windshield 4 is arranged on the front face plate 13, the rear windshield 12 is arranged on the rear side plate 14, and the front face plate 13 and the rear side plate 14 are fixedly connected to the front portion and the rear portion of the frame chassis 7 respectively.

Preferably, the vehicle body supporting columns 6 are fixedly connected to both sides of the driving seat cushion 5, the upper ends of the vehicle body supporting columns 6 are fixedly connected to the ceiling 15, and the front and rear ends of the ceiling 15 are fixedly connected to the upper ends of the front face plate 13 and the rear side plate 14 respectively.

Preferably, the frame chassis 7 includes a left main frame 701, a right main frame 702, a left inclined frame 703, a right inclined frame 704 and a seat support beam 705, the left main frame 701 and the right main frame 702 are of a bilateral symmetry structure, the front end is bent inward, the rear end is bent upward, the left inclined frame 703 and the right inclined frame 704 are fixedly connected through a bottom truss 706, the left inclined frame 703 and the right inclined frame 704 are of an inverted L-shaped structure, the rear end is respectively detachably and fixedly connected to the upper portion of the rear end of the left main frame 701 and the upper portion of the rear end of the right main frame 702, the front end is respectively detachably and fixedly connected to the left main frame 701 and the right main frame 702, the seat support beam 705 is two, the two ends are detachably and fixedly connected to the horizontal sections of the left inclined frame 703 and the right inclined frame 704, and the front end of the whole bottom support structure is provided with a U-shaped opening.

Preferably, the rear ends of the left main frame 701 and the right main frame 702 are connected with the left inclined frame 703 and the right inclined frame 704, and a left fork lug 707 and a right fork lug 708 which are of a double-lug structure are respectively arranged, the rear ends of the left inclined frame 703 and the right inclined frame 704 are respectively inserted into the left fork lug 707 and the right fork lug 708 and are locked by bolts 709, the front ends of the left inclined frame 703 and the right inclined frame 704 are locked by bolts 710 after abutting against the left main frame 701 and the right main frame 702, and the bolts or the bolts are connected with double lugs.

Preferably, the support plates 7111 are fixedly connected to the horizontal sections of the left main frame 701 and the right main frame 702, so that the stability of the left main frame and the right main frame is improved on the one hand, and the support in the use process is realized on the other hand.

Preferably, the single-arm damping front fork 2 comprises a crank 202, a piston cylinder 203, a front wheel 204, a damping spring 205, a piston rod 206 and a front fork 207, the front fork 207 is of a bending structure, the piston rod of the piston cylinder 203 is hinged to the upper portion of the front fork 207, one end of the crank 202 is hinged to the lower portion of the front fork 207, a cylinder seat of the piston cylinder 203 is hinged to the middle portion of the crank 202, the damping spring 205 is sleeved on the piston cylinder 203, the upper end of the piston cylinder abuts against a lantern ring at the end portion of the piston rod, the lower end of the piston cylinder abuts against a lantern ring on the cylinder seat, and the other end of the crank is hinged to a wheel shaft of the front wheel 204 through a bearing. The upper part of the front fork 207 is provided with a double lug I208, and the double lug I208 is hinged with the piston rod; two ears 209 are arranged at the lower end of the front fork 207, the two ears 209 are hinged with the crank 202, when the tricycle runs stably, the tricycle body is connected with the front fork, so that the whole tricycle body is supported, the front fork is connected with the tricycle body to support the whole tricycle body, a damping facility (a damping spring and a piston cylinder combination) and the crank are connected with the front fork together, and the crank and the bearing are connected with a front wheel tire of the tricycle to support the whole tricycle body. When the tricycle went on rugged road, tricycle front wheel tire atress, use on the crank, change the comparatively stable state of piston cylinder and crank, use on the damping spring of piston rod and spiral through the piston cylinder, make both states change, the shock attenuation facility that both combine plays, play the effect of bradyseism to whole automobile body, the relative position of tricycle front tire also can change simultaneously, reduce the effect of rugged road conditions, both combined action, the bradyseism effect that can the greatly increased automobile body. Meanwhile, the structure of the single-arm front fork enables the whole structure to be more portable and the cost to be reduced. The integrated shock absorption and shock absorption structure reduces the cost and simultaneously makes the structure more compact.

Preferably, the front fork 3 includes a support arm 302, a connection end 303, a front fork right arm 304 and a front fork left arm 305, the connection end 303 is a hollow cylinder with a small upper end and a large lower end, the front fork left arm 305 and the front fork right arm 304 are symmetrically installed on the left and right sides of the lower end respectively to form an inverted U-shaped structure, the support arm 302 is installed right behind, the upper end of the support arm 302 is higher than the upper end of the front fork left arm 305 or the front fork right arm 304, a plurality of screw holes 301 are distributed on the support arm 302 in the length direction, two bolts 306 connected with a vehicle chassis 307 are respectively arranged at the lower ends of the front fork left arm 305 and the front fork right arm 304, and the three-fork arm structure forms a tetrahedral stable structure with the chassis, and is firmer and safer.

Preferably, the damping mechanism 8 includes a left damping steel plate 801, a right damping steel plate 802, U-bolts 803, a damping spring device 804 and a rear axle steering shaft 805, one end of each of the left damping steel plate 801 and the right damping steel plate 802 is fixedly connected to the left end and the right end of the rear axle steering shaft 805 through one U-bolt 803, the other end of each of the left damping steel plate 801 and the right damping steel plate 802 is hinged to the left main frame 701 and the right main frame 702, two damping spring devices 804 are used, and the left damping steel plate 801 and the right damping steel plate 802 are connected to the left inclined frame 703 and the right inclined frame 704 through one damping spring device 804.

The axle tube outside the rear axle steering shaft 805 is hinged with a first screw rod, the first screw rod is spirally connected to a transverse supporting shaft, the other end of the transverse supporting shaft is spirally connected with a second screw rod, the second screw rod is hinged to a frame chassis, transverse stress and transverse support of the rear wheel are adjusted through threaded connection of the transverse supporting shaft and the two screw rods, and flexible adjustment of the transverse stress is achieved.

Preferably, two ends of the damping spring device 804 are hinged to the left damping steel plate 801 and the left inclined frame 703 and the right damping steel plate 802 and the right inclined frame 704 through a first fork lug 808 and a second fork lug 809, and the first fork lug hinge and the second fork lug hinge are hinged through bolts, so that the connection is stable and reliable, and the stress is balanced and stable.

Preferably, the other ends of the left vibration damping steel plate 801 and the right vibration damping steel plate 802 are hinged to the left main frame 701 and the right main frame 702 through three fork lugs 810 respectively, and the hinged parts of the three fork lugs are hinged through bolts, so that the connection is stable and reliable, and the stress is balanced and stable.

Preferably, the wheel 1 comprises a wheel body, the wheel body comprises a hub 101, a support upright post 102 and an axle connecting portion 103, the peripheral edge of the hub is wrapped with a tire (an inner tube and an outer tube), the axle connecting portion 103 and the hub 101 are respectively provided with a plurality of corresponding blind holes and through holes in the circumferential direction, the support upright post 102 adopts a plurality of support upright posts, and each support upright post penetrates through the through hole and then is inserted into the blind hole and fixed; the axle connecting part 103 comprises an inner ring 104 and a raised ring 105, the inner ring 104 and the raised ring 105 are of an integrated structure, the raised ring 105 is arranged at one end of the inner ring 104 and keeps coaxial with the inner ring 104, a threaded blind hole 106 is arranged on the end face of the raised ring 105, a key groove 107 is arranged in the inner hole, and the outer cylindrical surface of the inner ring 104 is fixedly connected with the supporting upright post 102, so that the axle connecting part is convenient to mount on a front axle and is stably and reliably connected with the front axle; four threaded blind holes 106 are adopted and are uniformly distributed at intervals in the circumferential direction; two ends of each supporting upright post 102 are fixedly connected to the hub 101 and the axle connecting part 103 in a welding mode, and the welding mode is stable and reliable in connection; the support column 102 is a hollow tubular structure, light in weight, good in support stability and convenient to roll.

Preferably, the driving mechanism 9 includes a motor 901, a transmission case 902, a rear axle housing 903 and a shift lever 904, the motor 901 is fixedly connected to an input end of the transmission case 902, two gears are arranged in the transmission case, the two gears are connected to the shift lever 904 through a shift fork 905, the shift lever 904 movably penetrates through the transmission case 902 and is connected with a pull wire, a lower end of the transmission case 902 is connected to an upper end face of the rear axle housing 903, and an output shaft is connected with a rear axle transmission shaft 915 which is rotatably connected with the rear axle housing 903; the gearbox 902 comprises a first half box 907, a second half box 908, a driving shaft 909 and a driven shaft 910, the first half box 907 and the second half box 908 are butted and fixed to form a gearbox body, the driving shaft 909 and the driven shaft 910 are both connected to the gearbox body in a rotating mode, the driving shaft 909 is connected to a motor shaft of the motor 901 through a first gear transmission mechanism 911, the driving shaft 909 is provided with two driving gears 912 which are axially movable, driven gears 913 which are correspondingly meshed with the two driving gears 912 are fixedly connected to the driven shaft 910, the driven shaft 910 is connected to a rear axle transmission shaft 915 through a second gear transmission mechanism 914, a shifting fork 905 is located between the two driving gears 912 on the driving shaft 909, the gearbox body is compact in structure, stable in connection and accurate in transmission, three-gear speed change is achieved through a three-gear speed change gear set, and an electric box 918 integrated with the gearbox body is arranged on one side of the gearbox body.

The rear axle housing 903 is of a large disc structure, two bridge pipes are arranged on two sides of the rear axle housing 903 in a smooth transition mode and communicated with the interior of the rear axle housing, the rear axle housing is of an integrated structure formed in one step, an upper plane and a lower plane are respectively arranged on the upper side and the lower side of the main shell 901, a flange 916 connected with the gearbox 902 is arranged on the upper plane, and a dome-shaped bottom cover 917 is covered on the lower plane; install brake 918 on the rear axle transmission shaft 915, be located rear axle housing 903, disc structure and dome-shaped bottom, on the one hand, intensity and rigidity are good, and on the other hand, domatic structure plays the effect of buffering load, avoids bumping hard and damaging hard, improves life, and main shell structure is convenient for adopt stretch forming, need not welding process, reduction in production cost and the technology degree of difficulty, has increased qualification rate and production efficiency, and the upper and lower plane is convenient for install bottom and motor.

Preceding face board and posterior lateral plate are through adopting forged thin panel beating as the automobile body, and hollow structure is adopted to many places structure, like tricycle front rudder, automobile body support column, chassis skeleton, horizontal back shaft 16 etc. when guaranteeing overall structure strength requirement, have reduced manned tricycle self weight by a wide margin, realize under the same power, the purpose of bigger loading capacity. The integral vehicle body formed by the front face plate and the rear side plate adopts a curved surface shape, the horizontal included angle of the front windshield is 40-50 degrees, and the wind resistance in driving is reduced.

The tricycle also comprises a modular hopper, as shown in fig. 20, the tricycle comprises a back board, side baffles, fender boards, foot baffles and mud guards, wherein the mud guards are fixedly connected to the rear side of the back board, the side baffles adopt two inverted L-shaped structures, the rear ends of horizontal sections are fixedly connected to the two sides of the back board and the two sides of the mud guards, the fender boards are fixedly connected to the outer sides of the side baffles and keep gaps with the side baffles, the fender boards are of arc structures, a shell-shaped handrail is arranged above the fender boards, and the foot baffles are fixedly connected to the rear sides of vertical sections of the two side baffles; the backrest plate, the side baffle plate and the mudguard are fixed in a riveting mode, and the fender plate, the foot baffle plate and the side baffle plate are fixed in a riveting mode; the lower side edges of the backrest plate, the side baffle plates and the foot baffle plates are all provided with flanges, each flange is provided with a plurality of mounting holes, and the mounting holes are strip-shaped through holes; modular component passes through the link of salon, simple to operate, even distributor technical capability is limited, still can easy to assemble, and the pressure of assembly is just removed from to the producer like this, and modular component has small, and easy categorised advantage brings the facility of transportation, and the freight cost descends, and if the distributor meets the product problem, can carry out the part replacement to a certain module, makes things convenient for the later stage after-sale and maintenance. The additional price of the product is reduced invisibly in the processes of production, transportation and sale, the price of the product can be effectively reduced, the competitiveness of the product is increased, and the pressure of manufacturers and distributors is reduced.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.

Claims

1. An electric tricycle, its characterized in that: the damping device comprises wheels (1), single-arm damping front forks (2), a front fork frame (3), a vehicle body supporting column (6), a vehicle frame chassis (7), a damping mechanism (8), a tricycle front rudder (10) and a driving mechanism (9), wherein the number of the wheels (1) is three, one front side is provided, the number of the front sides is two, the two rear sides are symmetrically arranged, the wheels are rotationally connected to the vehicle frame chassis (7), the damping mechanism (8) is installed at the wheel (1) at the front side, a driving cushion (5) and a passenger cushion (11) are respectively arranged at the front and at the rear of the vehicle frame chassis (7), the driving mechanism (9) is connected to the wheel (1) at the rear row, the wheel (1) at the front side is rotationally connected to the lower end of the single-arm damping front forks (2), the upper end of the single-arm damping front forks (2) is connected to the tricycle front rudder (10), the single-arm damping front forks (2) are rotationally connected to the front fork frame chassis (3), and the front fork frame chassis (7) is fixedly connected to the vehicle frame chassis (7); the frame chassis (7) comprises a left main frame (701), a right main frame (702), a left inclined frame (703), a right inclined frame (704) and a seat support beam (705), wherein the left main frame (701) and the right main frame (702) are in a bilateral symmetry structure, the front ends of the left main frame (701) and the right main frame (702) are inwards bent, the rear ends of the left main frame (701) and the right main frame (702) are upwards bent, the left main frame (701) and the right inclined frame (704) are fixedly connected through a bottom truss (706), the left inclined frame (703) and the right inclined frame (704) are in an inverted L-shaped structure, the rear ends of the left main frame (701) and the right main frame (702) are respectively detachably and fixedly connected, the front ends of the left main frame (701) and the right main frame (702) are respectively detachably and fixedly connected to the horizontal sections of the left inclined frame (703) and the right inclined frame (704), and the two seat support beams (705) are detachably and fixedly connected to the horizontal sections of the left inclined frame (703) and the right inclined frame (704); the single-arm damping front fork (2) comprises a crank (202), a piston cylinder (203), a front wheel (204), a damping spring (205), a piston rod (206) and a front fork (207), wherein the front fork (207) is of a bending structure, the front fork (207) is bent towards the axial direction of a wheel axle, the piston rod of the piston cylinder (203) is hinged to the upper part of the front fork (207), one end of the crank (202) is hinged to the lower part of the front fork (207), a cylinder seat of the piston cylinder (203) is hinged to the outer side surface of the middle part of the crank (202), the damping spring (205) is sleeved on the piston cylinder (203), the upper end of the piston rod abuts against an end lantern ring of the piston rod, the lower end of the piston rod abuts against a lantern ring on the cylinder seat, and the other end of the crank is hinged to the wheel axle of the front wheel (204) through a bearing; the rear ends of the left main frame (701) and the right main frame (702) are connected with a left inclined frame (703) and a right inclined frame (704) and are respectively provided with a left fork ear (707) and a right fork ear (708) which are of a double-lug structure, the rear ends of the left inclined frame (703) and the right inclined frame (704) are respectively inserted into the left fork ear (707) and the right fork ear (708) and are locked by bolts (709), and the front ends of the left inclined frame (703) and the right inclined frame (704) are abutted against the left main frame (701) and the right main frame (702) and then are locked by screws (710); the driving mechanism (9) comprises a motor (901), a gearbox (902), a rear axle housing (903) and a gear shifting lever (904), the motor (901) is fixedly connected to the input end of the gearbox (902), two gears are arranged in the gearbox, the two gears are connected to the gear shifting lever (904) through a shifting fork (905), the gear shifting lever (904) movably penetrates through the gearbox (902) and then is connected with a pull wire, the lower end of the gearbox (902) is connected to the upper end face of the rear axle housing (903), and an output shaft of the gearbox (902) is connected with a rear axle transmission shaft (915) which is rotatably connected with the rear axle housing (903); the gearbox (902) comprises a first half box body (907), a second half box body (908), a driving shaft (909) and a driven shaft (910), the first half box body (907) and the second half box body (908) are butted and fixed to form the gearbox, the driving shaft (909) and the driven shaft (910) are both rotatably connected to the gearbox, the driving shaft (909) is connected to a motor shaft of a motor (901) through a first gear transmission mechanism (911), the driving shaft (909) is provided with two driving gears (912) which are axially movable, driven gears (913) which are correspondingly meshed with the two driving gears (912) are fixedly connected to the driven shaft (910), the driven shaft (910) is connected to a rear axle transmission shaft (915) through a second gear transmission mechanism (914), and a shifting fork (905) is positioned between the two driving gears (912) on the driving shaft (909);

the damping mechanism (8) comprises a left side damping steel plate (801), a right side damping steel plate (802), U-shaped bolts (803), damping spring devices (804) and a rear axle steering shaft (805), one ends of the left side damping steel plate (801) and the right side damping steel plate (802) are respectively and fixedly connected to the left end and the right end of the rear axle steering shaft (805) through the U-shaped bolts (803), the other ends of the left side damping steel plate and the right side damping steel plate are respectively hinged to the left main frame and the right main frame, the number of the damping spring devices (804) is two, and the left side damping steel plate (801) and the right side damping steel plate (802) are respectively connected to the left inclined frame (703) and the right inclined frame (704) through the damping spring devices (804); a first screw rod is hinged to an axle pipe outside the rear axle steering shaft (805), the first screw rod is spirally connected to a transverse supporting shaft, the other end of the transverse supporting shaft is spirally connected with a second screw rod, and the second screw rod is hinged to a frame chassis; two ends of the damping spring device (804) are hinged to the left damping steel plate (801) and the left inclined frame (703) and the right damping steel plate (802) and the right inclined frame (704) through a fork lug I (808) and a fork lug II (809), and the hinge position of the fork lug I and the hinge position of the fork lug II are hinged through bolts; the other ends of the left side vibration reduction steel plate (801) and the right side vibration reduction steel plate (802) are respectively hinged to the left main frame and the right main frame through fork lugs, and the three hinged parts of the fork lugs are hinged through bolts.

2. The electro-tricycle of claim 1, wherein: the automobile frame is characterized by further comprising a front windshield (4) and a rear windshield (12), wherein the front windshield (4) is arranged on a front face plate (13), the rear windshield (12) is arranged on a rear side plate (14), and the front face plate (13) and the rear side plate (14) are fixedly connected to the front portion and the rear portion upper side of the frame chassis (7) respectively.

3. The electro-tricycle of claim 2, wherein: driving cushion (5) both sides fixedly connected with automobile body support column (6), automobile body support column (6) upper end fixed connection to ceiling (15), ceiling (15) front and back end respectively fixed connection to preceding face board (13) and rear side board (14) upper end.

4. The electro-tricycle of claim 1, wherein: front fork frame (3) are including support arm (302), connect end (303), front fork right branch arm (304) and front fork left arm (305), connect end (303) and be the big hollow cylinder of the little lower extreme in upper end, the lower extreme left and right sides is respectively the symmetry install front fork left branch arm (305) and front fork right branch arm (304) and constitutes the U type structure of handstand, support arm (302) are installed to the dead astern, and support arm (302) upper end is higher than front fork left branch arm (305) or front fork right branch arm (304) upper end, it has a plurality of screw (301) to distribute on support arm (302) length direction, front fork left branch arm (305) and front fork right branch arm (304) lower extreme are provided with two bolts (306) of connecting car chassis (307) respectively.

5. The electro-tricycle of claim 1, wherein: the wheel (1) comprises a wheel body, the wheel body comprises a hub (101), a supporting upright post (102) and an axle connecting part (103), the axle connecting part (103) and the hub (101) are circumferentially provided with a plurality of corresponding blind holes and through holes respectively, the supporting upright post (102) adopts a plurality of supporting upright posts, and each supporting upright post penetrates through the through hole and then is inserted into the blind hole and fixed; the axle connecting part (103) comprises an inner ring (104) and a raised ring (105), the inner ring (104) and the raised ring (105) are of an integrated structure, the raised ring (105) is arranged at one end of the inner ring (104) and keeps coaxial with the inner ring (104), a threaded blind hole (106) is formed in the end face of the raised ring (105), a key groove (107) is formed in the inner hole, and the outer cylindrical surface of the inner ring (104) is fixedly connected with the supporting upright post (102).