CN207985065U - A kind of tricycle - Google Patents

Abstract

The utility model is related to a kind of tricycle, including front vehicle body, aftercarriage, front vehicle wheel and rear wheel, the front vehicle wheel includes front left wheel and right front wheel, and the wheel shaft of the front left wheel is equipped with left universal joint；The wheel shaft of the right front wheel is equipped with right universal joint, and the downside of the front vehicle body is equipped with left connecting rod and right connecting rod；The downside of the aftercarriage is equipped with center bearing bracket；It is connected on the inside of one end of the left universal joint and the wheel shaft of the front left wheel, and the other end is connected by the left connecting rod with the center bearing bracket；It is connected on the inside of one end of the right universal joint and the wheel shaft of the right front wheel, and the other end is connected by the right connecting rod with the center bearing bracket；The left connecting rod is identical with the length of the right connecting rod；No matter the utility model keeps straight on or excessively curved, and no matter at a slow speed or in wet and slippery road conditions, safety and stability is not easy to topple over always.

Description

A kind of tricycle

Technical field

The utility model is related to technical field of transportation means, and in particular to a kind of safe and stable and be not easy to topple over falls three Take turns vehicle.

Background technology

Bicycle is commonly used as a kind of environmentally protective vehicles in our daily life, but double The unstability of wheel bicycle is then that the go off daily of people brings security risk, it is contemplated that bicycle running at a low speed or In the security and stability of wet-skid road surface when driving, tricycle especially tricycle is increasingly valued by people, mesh It is preceding in the market it is common fall three-wheel, center of gravity is generally close to rear wheel, and in excessively curved or rotation handlebar, operation is also more stiff Firmly, stability can not be remained.

Chinese patent document is disclosed, and application No. is the YL structure tricycles of 201720228148.X, including after active Wheel, driven front wheels, vehicle frame, driving device；Further include Chinese herbaceous peony body, the Chinese herbaceous peony body include suspension, suspended axle, pull rod, pull rod shaft, Handle；The driven wheel is front-wheel, and there are two driven wheels, the pull rod shaft is connected to below the vehicle frame, the pull rod Including left connecting rod and right connecting rod, one end of the left connecting rod and the right connecting rod joins respectively in the pull rod shaft On, the other end of the left connecting rod and the right connecting rod is respectively hinged on the wheel shaft of two driven wheels, the device Safer stabilization in travelling in wet-skid road surface or at a slow speed, but the cooperation of left and right connecting rod and pull rod shaft, make its center of gravity Rearward farther out apart from front vehicle wheel, in excessively curved or rotation handlebar, operation is stiff, and stability, which is vulnerable to destruction, makes vehicle incline .

Utility model content

Of the existing technology in order to solve the problems, such as, the utility model provides a kind of safe and stable and is not easy to topple over Tricycle includes the aftercarriage equipped with center bearing bracket, the front vehicle body equipped with left and right connecting rod, rear wheel and equipped with universal joint One end of front vehicle wheel, left and right connecting rod is connected with center bearing bracket, and the other end is connected with left and right universal joint respectively, this practicality is new In the process of moving, left and right universal joint and center bearing bracket remain the state of 3 isosceles to type, and vehicle's center of gravity is close to front truck Wheel, safety and stability are not easy to topple over.

The purpose of this utility model is to provide a kind of tricycle, including front vehicle body, aftercarriage, front vehicle wheel and rear wheel, The front vehicle body is connected with the aftercarriage, the front vehicle wheel and the rear wheel be separately mounted to the front vehicle body and it is described after On car body；The front vehicle wheel includes front left wheel and right front wheel, and the wheel shaft of the front left wheel is equipped with left universal joint；It is described The wheel shaft of right front wheel is equipped with right universal joint, and the downside of the front vehicle body is equipped with left connecting rod and right connecting rod；The rear car The downside of body is equipped with center bearing bracket；It is connected on the inside of one end of the left universal joint and the wheel shaft of the front left wheel, and the other end It is connected with the center bearing bracket by the left connecting rod；The wheel shaft inside of one end of the right universal joint and the right front wheel It is connected, and the other end is connected by the right connecting rod with the center bearing bracket；The left connecting rod and the right connecting rod Length is identical.

For vehicle during straight-line travelling, left universal joint, right universal joint and center bearing bracket form isosceles triangle, and vehicle body is steady It is fixed, and three wheel three points of contact, either at a slow speed or in wet and slippery road conditions, vehicle safety and stability always；Vehicle is excessively curved When, two front vehicle wheels are respectively independent, can form speed difference, and left and right connecting rod tenses left and right universal joint, isoceles triangle The configuration state of shape also remains constant, and the excessively curved stabilization of vehicle is not easy to turn on one's side；The utility model no matter is kept straight on or excessively curved, nothing By at a slow speed or in wet and slippery road conditions, all safety and stability and it is not easy to topple over always.

In the utility model, the side of the close central front fork of wheel shaft of the front vehicle wheel is on the inside of the wheel shaft, far from It is on the outside of wheel shaft to entreat the side of front fork；The connecting rod is drag-line or pull rod, and the drag-line is set in one end close to center bearing bracket There are drag-line stretcher, the drag-line stretcher that can adjust the tensioner degree of drag-line.

In order to control Vehicular turn, and go to action is made to can be transmitted to steering actuator, preferred technical side Case is, the front vehicle body is equipped with steering control device and steering actuator, the steering control device include handlebar, vertical shaft and Central front fork；One end of the vertical shaft is connected with the middle part of the handlebar, and the other end of the vertical shaft and the central front fork Upper end be connected；The center front fork is connected on the steering actuator；The steering actuator and the front vehicle wheel It is connected.

In order to make Vehicular turn operation successfully be transferred to two front vehicle wheels, preferred technical solution is that the steering executes Device includes cross bar, left front fork and right front fork, and the middle part of the cross bar is connected with the central front fork；It is described it is left front fork and it is described Right front fork is inclined at the both ends of the cross bar, and the upper end of the left front fork and the right front fork respectively with the cross bar Both ends are connected；The lower end of the left front fork is connected on the wheel shaft of the front left wheel, and the lower end of the right front fork is connected to institute It states on the wheel shaft of right front wheel.

In order to make steering actuator connect fastening with steering control device, and it is conducive to Vehicular turn, preferred technical side Case is that the lower part both sides of the central front fork are equipped with mid-mounting, the upper ends of two mid-mountings with the cross bar Middle part is connected.

The mid-mounting can play the role of fixed, carrying；The upper end of the mid-mounting is connected to the cross bar On, the cross bar is parallel to road surface, and the left front fork and the right front fork are arranged relative to inclination, are ensureing steering operation Property on the basis of, reduce vehicle body center of gravity, further enhance intact stability；It is described center front fork or it is described it is left front fork and it is described Right front fork is equipped with vibration absorber, can effectively reduce Vehicular vibration, improves vehicle comfort level；The cross bar is alternatively parallel Quadrilateral connecting rod structure can enhance vehicle carrying and the height difference variation of left and right front vehicle wheel, be turned with adapting to cross-country road and high speed Curved rides.

Vehicle is more stablized when in order to make steering, is not easy to topple over, and preferred technical solution is the left front fork and the right side The upper end of front fork is equipped with casing, and two described sleeve pipes are set in the both ends of the cross bar, and described sleeve pipe can be about institute State the axis rotation of cross bar.

For the tricycle when excessively curved, inside front fork is more than outside front fork about institute about the inclined degree of the cross bar The inclined degree for stating cross bar makes the outside height of the cross bar be more than inside height, reduces the steering centrifugal force of vehicle, enhances vehicle Excessively curved stability.

It is more fastened in order to which front vehicle body is connect with aftercarriage, and enables preceding standpipe perpendicular to road surface to enhance steering operation Property, preferred technical solution is that the front vehicle body includes upper bracket, lower bracket and preceding standpipe, and the aftercarriage includes rear profile tube, For the preceding vertical pipe sleeve on the vertical shaft, the preceding standpipe is vertical with road surface；The upside of the preceding standpipe and the rear profile tube It is connected respectively with the both ends of the upper bracket；The downside of the preceding standpipe and rear profile tube both ends with the lower bracket respectively It is connected.

The upper and lower ends of the preceding standpipe are equipped with a bowl group, and the both ends of the preceding standpipe are propped up by the bowl group in institute Frame is connected with the lower bracket；The upper bracket can finely tune the angle of the preceding standpipe and road surface, to enhance steering operation； The aftercarriage be equipped with crossbeam, cant beam and longeron, the rear profile tube, the crossbeam, the longeron and the cant beam successively head and the tail It is connected；The longeron top is equipped with seat；Saucer is equipped in the middle part of the cant beam；The longeron is equipped with bicycle lock；Before described The front of standpipe is equipped with bicycle basket.

Vibration absorber is equipped in the middle part of the longeron or in the middle part of the cant beam；The vibration absorber can effectively improve vehicle Buffering effect improves comfort level.

In order to which vehicle can be braked, preferred technical solution is that the front vehicle body is equipped with brake control, before described Wheel is equipped with preceding braking executive device, and the rear wheel is equipped with rear braking executive device；The preceding braking executive device and Braking executive device is connected with brake control after described.

In order to keep brake apparatus braking effect more notable and easily operated, the brake control includes that preceding braking is held , brake handle, preceding brake pulling wire and rear brake pulling wire afterwards；The both ends of the preceding brake pulling wire respectively with the preceding braking handle It is connected with the preceding braking executive device；It is described after brake pulling wire both ends respectively with it is described after braking handle and it is described after braking Executive device is connected；Braking handle and the rear braking handle are arranged on the handlebar before described.

It is equipped with brake pulling wire fixing bracket on the front vehicle body and the aftercarriage.The preceding braking executive device and institute It is the braking of C formulas, the braking of V formulas, drum brake or dish-style braking to state rear braking executive device.

In order to provide power to vehicle and vehicle power is made successfully to be transmitted to rear wheel, preferred technical solution It is that the aftercarriage is equipped with power plant and transmission device, one end of the transmission device is connected with the power plant, and The other end is connected with the front vehicle wheel or the rear wheel.

When the transmission device is connected with the front vehicle wheel, the front vehicle wheel is driving wheel, and the rear wheel is driven wheel, Type of drive is forerunner；When the transmission device is connected with the rear wheel, the front vehicle wheel is driven wheel, and the rear wheel is Driving wheel, type of drive are rear-guard；When the transmission device is connected simultaneously with the front vehicle wheel and the rear wheel, type of drive For a11wheel drive；It is equipped with mud guard above the front left wheel, the right front wheel and the rear wheel.

In order to provide power for vehicle, preferred technical solution is the power plant behaviour power drive or electricity Power drive.

Manpower driving includes foot-operated and pedal spindle, the both ends of the pedal spindle respectively with the transmission device and described It is foot-operated to be connected；The transmission device includes chain wheel, transmission chain and flywheel, the chain wheel setting in the rear on car body and with it is described Power plant is connected；The flywheel is arranged on wheel in the rear and is connected with the rear wheel；The chain wheel and the flywheel It is connected by the transmission chain.The chain wheel and the flywheel contain multiple fluted discs, can pass through the cooperation of different fluted discs Select suitable transmission ratio.The transmission device further include refer to dial, bracing wire and it is rear dial, the bracing wire both ends are dialled with described refer to respectively It is connected with rear dial, described refer to dials setting on the handlebar, and rear dial is arranged on the transmission chain.Described refer to dials number Amount is two, and two fingers are dialled and are separately positioned on the left and right handle of the handlebar；The transmission can be adjusted by being dialled after described The transmission ratio for the chain wheel and the flywheel that chain is connected；It is equipped with bracing wire in the front vehicle body and the aftercarriage and fixes branch Frame.

The electric drive includes accumulator, motor and controller, the accumulator, the motor and the control Device is arranged on the aftercarriage, and the motor is connected with the transmission device.

The beneficial effects of the utility model are：

1, a kind of tricycle includes the aftercarriage equipped with center bearing bracket, the front vehicle body equipped with left and right connecting rod, rear wheel Be connected with center bearing bracket with one end of the front vehicle wheel equipped with universal joint, left and right connecting rod, the other end respectively with it is left and right universal Section is connected, and in the process of moving, left and right universal joint and center bearing bracket remain the state of 3 isosceles to the utility model, Center of gravity safety and stability and is not easy to topple over close to front-wheel.

2, front vehicle body is equipped with upper bracket, lower bracket and preceding standpipe, and Rear frame is equipped with rear profile tube, and front vehicle body is connect with aftercarriage It more fastens, vehicle safety is reliable, and the preceding standpipe enhances steering operation perpendicular to road surface.

3, steering control device is equipped with handlebar, vertical shaft and central front fork, and steering actuator includes cross bar, left front fork, the right side Front fork and mid-mounting reduce vehicle's center of gravity on the basis of ensureing Vehicular turn operability, enhance intact stability；It is left front The upper end of fork and right front fork is equipped with the casing that can be rotated about cross bar axis, and reduction vehicle, which is crossed, is bent away from mental and physical efforts, enhances vehicle Steering stability.

4, kinetic energy is provided for vehicle equipped with power plant, is equipped with transmission device, kinetic energy is enable to be sufficiently carried out transmission, vehicle Speed governing can be carried out, and is adjusted easy to operate.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is that the utility model faces simple diagram；

Fig. 3 is the side view simple diagram of the utility model.

Reference numeral

1- front vehicle bodies；11- steering control devices；111- handlebars；112 vertical shafts；The centers 113- front fork；12- steerings are held Luggage is set；121- cross bars；The right front forks of 122-；The left front forks of 123-；The right universal joints of 124-；The left universal joints of 125-；In 126- Between hang；13- upper brackets；14- lower brackets；Braking executive device before 15-；Standpipe before 16-；17- brake controls； Handle is braked before 171；Handle is braked after 172-；18- connecting rods；The right connecting rods of 181-；The left connecting rods of 182-；2- rear cars Body；21- rear profile tubes；22- center bearing brackets；23- power plants；231- pedal spindles；232- is foot-operated；24- transmission devices； 241- chain wheels；242- transmission chains；It is dialled after 243-；244- flywheels；245-, which refers to, to be dialled；Braking executive device after 25-；Before 3- Wheel；31- right front wheels；32- front left wheels；4- rear wheels；5- mud guards；6- seats；7- saucers；8- bicycle baskets.

Specific implementation mode

It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

As shown in Figure 1, Figure 2 and Figure 3, including front vehicle body 1, aftercarriage 2, front vehicle wheel 3 and rear wheel 4,1 He of the front vehicle body The aftercarriage 2 is connected, and the front vehicle wheel 3 and the rear wheel 4 are separately mounted in the front vehicle body 1 and the aftercarriage 2； The front vehicle wheel 3 includes front left wheel 32 and right front wheel 31, and the wheel shaft of the front left wheel 32 is equipped with left universal joint 125； The wheel shaft of the right front wheel 31 is equipped with right universal joint 124, and the downside of the front vehicle body 1 is equipped with left connecting rod 182 and right company Extension bar 181；The downside of the aftercarriage 2 is equipped with center bearing bracket 22；One end of the left universal joint 125 and the front left wheel 32 Wheel shaft on the inside of be connected, and the other end is connected by the left connecting rod 182 with the center bearing bracket 22；The right universal joint It is connected on the inside of 124 one end and the wheel shaft of the right front wheel 31, and the other end passes through the right connecting rod 181 and the center Holder 22 is connected；The left connecting rod 182 is identical with the length of the right connecting rod 181.

The front vehicle body 1 is equipped with steering control device 11 and steering actuator 12, and the steering control device 11 includes Handlebar 111, vertical shaft 112 and central front fork 113；One end of the vertical shaft 112 is connected with the middle part of the handlebar 111, and described The other end of vertical shaft 112 is connected with the upper end of the central front fork 113, and the center front fork 113 is connected to the steering and executes On device 12, the steering actuator 12 is connected with the front vehicle wheel 3.

The steering actuator 12 includes cross bar 121, left front fork 123 and right front fork 122, the middle part of the cross bar 121 It is connected with the central front fork 113；The left front fork 123 and the right front fork 122 are inclined at the two of the cross bar 121 End, and the upper end of the left front fork 123 and the right front fork 122 is connected with the both ends of the cross bar 121 respectively；The left front fork 123 lower end is connected on the wheel shaft of the front left wheel 32, and the lower end of the right front fork 122 is connected to the right front wheel 31 Wheel shaft on.

The lower part both sides of the center front fork 113 are equipped with mid-mounting 126, the upper end of two mid-mountings 126 It is connected with the middle part of the cross bar 121.

The cross bar 121 is parallel to road surface, and the left front fork 123 and the right front fork 122 are arranged relative to inclination； The mid-mounting 126 can play the role of fixed, carrying, the center front fork 113 or the left front fork 123 and described Right front fork 122 is equipped with vibration absorber.

The upper end of the left front fork 123 and the right front fork 122 is equipped with casing, and two described sleeve pipes are set in institute The both ends of cross bar 121 are stated, described sleeve pipe can be rotated about the axis of cross bar 121.

The front vehicle body 1 includes upper bracket 13, lower bracket 14 and preceding standpipe 16, and the aftercarriage 2 includes rear profile tube 21, institute Standpipe 16 is sleeved on the vertical shaft 112 before stating, and the preceding standpipe 16 is perpendicular to road surface；The preceding standpipe 16 and the rear profile tube 21 upside is connected with the both ends of the upper bracket 13 respectively；The downside of the preceding standpipe 16 and the rear profile tube 21 respectively with institute The both ends for stating lower bracket 14 are connected.

The aftercarriage 2 be equipped with crossbeam, cant beam and longeron, the rear profile tube 21, the crossbeam, the longeron and it is described tiltedly Beam joins end to end successively；The longeron top is equipped with seat 6；Vibration absorber is equipped in the middle part of the longeron；The cant beam is equipped with Saucer 6；The front of the preceding standpipe 16 is equipped with bicycle basket 7.

The front vehicle body 1 is equipped with brake control 17, and the front vehicle wheel 3 is equipped with preceding braking executive device 15, institute It states rear wheel 4 and is equipped with rear braking executive device 25；The preceding braking executive device 15 and the rear braking executive device 25 are It is connected with the brake control 17.

The brake control 17 includes preceding braking handle 171, rear braking handle 172, preceding brake pulling wire and rear braking Bracing wire；The both ends of the preceding brake pulling wire are connected with the preceding braking handle 171 and the preceding braking executive device 15 respectively；Institute The both ends for stating rear brake pulling wire are connected with the rear braking handle 172 and the rear braking executive device 25 respectively；System before described Dynamic handle 171 and the rear braking handle 172 are arranged on the handlebar 111.

Multiple brake pulling wire fixing brackets are equipped in the front vehicle body 1 and the aftercarriage 2.Braking executes dress before described It sets 15 and the rear braking executive device 25 is the braking of C formulas, V formulas are braked, drum brake or dish-style are braked.

The aftercarriage 2 is equipped with power plant 23 and transmission device 24, and one end of the transmission device 24 is moved with described Power apparatus 23 is connected, and the other end is connected with the front vehicle wheel 3 or the rear wheel 4.

The top of the front left wheel 32, the right front wheel 31 and the rear wheel 2 is equipped with mud guard 5.

The power plant 23 is people's power drive or electric drive.

Manpower driving includes foot-operated 232 and pedal spindle 231, the both ends of the pedal spindle 231 respectively with the transmission Device 24 is connected with described foot-operated 232；The transmission device 24 includes chain wheel 241, transmission chain 242 and flywheel 244, the chain wheel 241 are arranged on car body 2 in the rear and are connected with the pedal spindle 232；The flywheel 244 is arranged on wheel 4 in the rear simultaneously It is connected with the rear wheel 4；The chain wheel 241 is connected with the flywheel 244 by the transmission chain 242.

The chain wheel 241 and the flywheel 244 are equipped with multiple fluted discs.

The transmission device 24 further include refer to dial 245, bracing wire and after dial 243, the bracing wire both ends refer to group with described respectively 245 with it is described after dial 243 and be connected, the finger dials 245 settings on the handlebar 111, described rear to dial 243 settings in the transmission On chain 242.It is two that the finger, which dials 245 quantity, and two fingers dial the 245 left and right handles for being separately positioned on the handlebar 111 On, 243 are dialled after described and is arranged on the transmission chain 242, and 243 are dialled after described can adjust the transmission chain 242, and then adjust The transmission ratio of the chain wheel 241 and the flywheel 244；Multiple bracing wires are equipped in the front vehicle body 1 and the aftercarriage 2 to fix Holder.

Operation principle：

When driving, power plant 23 provides kinetic energy to straight line, and front vehicle wheel 3 or rear wheel 4 are transferred to through transmission device 24, Form driving wheel；Handlebar 111 keeps directly forming isosceles triangle to, left connecting rod 182, right connecting rod 181 and center bearing bracket 22, Vehicle keeps stability.

When steering, handlebar 111 is rotated, vertical shaft 112 rotates, and central front fork 113 rotates therewith, mid-mounting 126, cross bar 121, left front fork 123 and right front fork 122 rotate, and left connecting rod 182 and right connecting rod 181 tense left universal joint 125 and the right side respectively One end of universal joint 124, front left wheel 32 and right front wheel 31 form speed difference, and vehicle starts to turn to, left in steering procedure It is constant always that connecting rod 182, right connecting rod 181 and center bearing bracket 22 are formed by isosceles triangle its state, 123 Hes of left front fork Right front fork 122 turns an angle about 121 axis of cross bar, and 121 inside height of cross bar is less than 121 outside height of cross bar, vehicle It tilts inwardly, completes to turn to.

When brake, handle 171 and rear braking handle 172, preceding braking handle 171 and afterwards braking handle 172 are braked before tensing Preceding brake pulling wire and rear brake pulling wire, preceding braking executive device 15 and rear braking executive device 25 is pulled to brake front truck respectively respectively Wheel 3 and rear wheel 4；

Power plant behaviour power drive and when carrying out speed governing, stirs finger and dials 245, bracing wire dials 243 after pulling, and dials 243 afterwards and adjusts Whole transmission chain 242, and then chain wheel 241 and flywheel 244 are selected to suitable transmission ratio.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power Subject to the protection domain that profit requires.

Claims (10)

1. a kind of tricycle, including front vehicle body (1), aftercarriage (2), front vehicle wheel (3) and rear wheel (4), the front vehicle body (1) It is connected with the aftercarriage (2), the front vehicle wheel (3) and the rear wheel (4) are separately mounted to the front vehicle body (1) and described On aftercarriage (2), which is characterized in that the front vehicle wheel (3) includes front left wheel (32) and right front wheel (31), the left front vehicle The wheel shaft for taking turns (32) is equipped with left universal joint (125)；The wheel shaft of the right front wheel (31) is equipped with right universal joint (124), institute The downside for stating front vehicle body (1) is equipped with left connecting rod (182) and right connecting rod (181)；The downside of the aftercarriage (2) is equipped with center Holder (22)；It is connected on the inside of one end of the left universal joint (125) and the wheel shaft of the front left wheel (32), and the other end passes through The left connecting rod (182) is connected with the center bearing bracket (22)；One end of the right universal joint (124) and the right front wheel (31) it is connected on the inside of wheel shaft, and the other end is connected by the right connecting rod (181) with the center bearing bracket (22)；The left side Connecting rod (182) is identical with the right length of connecting rod (181).

2. tricycle according to claim 1, which is characterized in that the front vehicle body (1) is equipped with steering control device (11) and steering actuator (12), the steering control device (11) include handlebar (111), vertical shaft (112) and central front fork (113)；One end of the vertical shaft (112) is connected with the middle part of the handlebar (111), and the other end of the vertical shaft (112) with The upper end of the center front fork (113) is connected, and the center front fork (113) is connected on the steering actuator (12), institute Steering actuator (12) is stated with the front vehicle wheel (3) to be connected.

3. tricycle according to claim 2, which is characterized in that the steering actuator (12) includes cross bar (121), left front fork (123) and right front fork (122), the middle part of the cross bar (121) are connected with the central front fork (113)；Institute It states left front fork (123) and the right front fork (122) is inclined at the both ends of the cross bar (121), and the left front fork (123) It is connected respectively with the both ends of the cross bar (121) with the upper end of the right front fork (122)；The lower end of the left front fork (123) connects It is connected on the wheel shaft of the front left wheel (32), the lower end of the right front fork (122) is connected to the wheel of the right front wheel (31) On axis.

4. tricycle according to claim 3, which is characterized in that the lower part both sides of the center front fork (113) are all provided with There are mid-mounting (126), the upper end of two mid-mountings (126) to be connected with the middle part of the cross bar (121).

5. tricycle according to claim 3, which is characterized in that the left front fork (123) and the right front fork (122) Upper end be equipped with casing, two described sleeve pipes are set on the both ends of the cross bar (121), and described sleeve pipe can be about The axis of the cross bar (121) rotates.

6. tricycle according to claim 2, which is characterized in that the front vehicle body (1) further include upper bracket (13), under Holder (14) and preceding standpipe (16), the aftercarriage (2) include rear profile tube (21), and the preceding standpipe (16) is sleeved on the vertical shaft (112) on, the preceding standpipe (16) is vertical with road surface；The upside of the preceding standpipe (16) and the rear profile tube (21) respectively with institute The both ends for stating upper bracket (13) are connected；The downside of the preceding standpipe (16) and the rear profile tube (21) respectively with the lower bracket (14) both ends are connected.

7. tricycle according to claim 2, which is characterized in that the front vehicle body (1) is equipped with brake control (17), the front vehicle wheel (3) is equipped with preceding braking executive device (15), and the rear wheel (4) is equipped with rear braking executive device (25)；The preceding braking executive device (15) and the rear braking executive device (25) are connected with brake control (17).

8. tricycle according to claim 7, which is characterized in that the brake control (17) includes that preceding braking is held (171), handle (172), preceding brake pulling wire and rear brake pulling wire are braked afterwards；The both ends of the preceding brake pulling wire respectively with it is described Preceding braking handle (171) is connected with the preceding braking executive device (15)；It is described after brake pulling wire both ends respectively with it is described after Braking handle (172) is connected with the rear braking executive device (25)；Braking handle (171) and the rear braking handle before described (172) it is arranged on the handlebar (111).

9. tricycle according to claim 2, which is characterized in that the aftercarriage (2) is equipped with power plant (23) Be connected with the power plant (23) with one end of transmission device (24), the transmission device (24), and the other end with it is described before Wheel (3) or the rear wheel (4) are connected.

10. tricycle according to claim 9, which is characterized in that the power plant (23) be people's power drive or Electric drive.