CN210734409U - Double-axis steering assembly and motor tricycle - Google Patents
Double-axis steering assembly and motor tricycle Download PDFInfo
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- CN210734409U CN210734409U CN201920918549.7U CN201920918549U CN210734409U CN 210734409 U CN210734409 U CN 210734409U CN 201920918549 U CN201920918549 U CN 201920918549U CN 210734409 U CN210734409 U CN 210734409U
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- 230000005540 biological transmission Effects 0.000 claims description 13
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- 230000007246 mechanism Effects 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K21/00—Steering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
Abstract
The utility model discloses a double-axis steering component and a motor tricycle, which comprises a steering driving system and a steering system, wherein a first rotating axis of the steering driving system is not concentric with a second rotating axis of the steering system, the second rotating axis is coaxial with a frame riser and is positioned at the rear side of the first rotating axis, the utility model adopts a structure of separating the steering driving system from the steering system, the rotating center of the steering driving system and the rotating center of the steering system are arranged into a non-concentric structure, and the first rotating axis is close to the front, the second rotating axis is relatively close to the back and is positioned on the vertical pipe of the frame, the steering driving system moves forward relative to the condition of the same wheel base, under the condition that the length of the whole vehicle is the same, the whole vehicle can be more compactly arranged, the passenger carrying and cargo carrying space is favorably promoted, the whole weight of the vehicle is reduced, the energy is favorably saved, the consumption is reduced, and the manufacturing cost is reduced; for the motor tricycle with the same passenger carrying and cargo carrying spaces, the scheme can greatly shorten the wheelbase of the front wheel and the rear wheel, and increase the strength and the stability.
Description
Technical Field
The utility model relates to a vehicle steering mechanism, in particular to biax turns to subassembly and motor tricycle.
Background
The motorcycle is a vehicle which is convenient to use and low in energy consumption, and has good market demand; in particular to a motor tricycle which has the function of carrying goods and carrying people and has more demands in rural areas and suburbs. Depending on the particular configuration and function of the tricycle, it is desirable to have as much space available for riding or use as possible, but the structure does not allow for cargo or passenger space of the desired length, and if the wheelbase is too long, the overall strength and ride stability of the motorcycle are adversely affected, thereby resulting in safety concerns. In the prior art, for a motorcycle, a common structure is that a steering driving piece directly drives a steering shaft and then acts on wheels, a steering central line extends forwards downwards, the structure leads the wheels to be forward integrally, the length of the whole motorcycle (the wheelbase of the front wheel and the rear wheel is longer), the length of the motorcycle (a three-wheeled motorcycle) has standard requirements, and the driving steering and the front wheels are longer, so that the driving steering and the front wheels have larger length, so that the driving steering and the front wheels have larger adverse effect on a manned cargo carrying space of the three-wheeled motorcycle; chinese patent 201310151897.3 discloses a steering structure, which is divided into two rotation axes, one in front of the other, by a handlebar tube steering column and a front fork steering column, the position of the handlebar tube steering column is the same as that of the prior art, and the steering structure is located on the frame vertical tube; the front fork steering column is positioned at a certain part of the frame on the rear side of the frame vertical pipe; the structure can ensure that the whole length of the vehicle body is reduced under the condition of the same carrying space, but the arrangement of the front fork steering column can reduce the carrying space or cause interference to a certain extent, thereby influencing the driving comfort; the front fork steering column and the handlebar tube steering column are both arranged on the frame, although the length of the vehicle body can be reduced due to the backward movement of the front wheel of the vehicle, the carrying space of the vehicle is not changed; if the vehicle body carrying space is increased, the frame vertical pipe needs to be moved forwards, namely, the length of the frame is increased, so that the weight of the vehicle is increased, and the stability of the vehicle is poor due to the longer frame.
Therefore, the structure of the existing motorcycle needs to be improved, the length of the whole motorcycle can be reduced as much as possible within the range of the length of the limited wheelbase, the standard requirements are met, the use space can be increased relative to the existing motorcycle under the condition of the same length of the motorcycle body, and meanwhile, the strength and the stability of the motorcycle body can be ensured.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a biax turns to subassembly and motor tricycle, can be in limited wheel base length range, minimize whole car length, accord with the standard needs, can increase the usage space for current motorcycle under the condition of same automobile body length, can guarantee the intensity and the stability of automobile body simultaneously
The utility model discloses a double-axis steering assembly, including steering drive system and a steering system, the steering drive system has a first rotation axis, and the steering drive system rotates around the first rotation axis when being controlled to rotate; the steering system is provided with a second rotating axis which is a steering axis of the wheel; the first rotating axis and the second rotating axis are not coaxial, and the second rotating axis deviates to the rear side relative to the first rotating axis; the steering driving system is used for inputting steering power when steering is controlled, such as a manual handle or a steering wheel, and rotates around a center line (a first rotation axis) to form initial power of steering; the steering system transmits steering power to the steering wheels during steering to complete vehicle steering;
the steering system comprises a steering column which penetrates through the frame vertical pipe and can be in rotating fit with the frame vertical pipe around a second rotating axis, and a steering column seat which is in transmission fit with the steering column and can be limited by the steering column to swing around the second rotating axis so as to drive wheels to steer, wherein the steering column seat is connected with the wheels and drives the wheels to steer; the frame vertical pipe is fixed at the front end of the frame;
the linkage device is used for transmitting steering power from the steering driving system to the steering system;
in the scheme, the rotation center of the steering driving system and the rotation center of the steering system are arranged to be in a non-concentric structure, the first rotating axis (steering power input) is close to the front, the second rotating axis (steering center) is relatively close to the back and is arranged on the vertical pipe of the frame, and the steering driving system moves forwards under the condition of the same wheel base, so that the passenger carrying and cargo carrying space is enlarged; for the motor tricycle with the same passenger carrying and cargo carrying spaces, the scheme can greatly shorten the wheelbase of the front wheel and the rear wheel, and increase the strength and the stability; meanwhile, the structure that the steering driving system and the steering system are separated can also avoid directly transmitting the vibration of the wheels to the steering driving system, and improve the driving comfort.
The steering column and the steering column seat are generally fixedly connected or integrally formed, the steering column penetrates through the frame vertical pipe and can be provided with thrust bearings up and down, the upper end of the steering column penetrates through the frame vertical pipe and is provided with locking threads, the locking nuts are matched with the locking threads to achieve the purpose of locking, the upper end of the steering column is provided with the thrust bearings which are limited upwards by the locking nuts and the intermediate piece, the lower end of the steering column can adopt the same downward limiting structure, and corresponding limiting steps are arranged on the steering column or the frame vertical pipe, so that the details are not repeated; the steering column seat is in transmission fit with the steering column, the steering column is limited in the frame vertical pipe and can only rotate around the second central line, so that the steering column seat is limited to rotate around the second central line, when the steering column seat is driven to rotate, the shock absorption assembly is driven and the wheels are driven to complete steering, the structure is simple and compact, the realization is easy, the linkage device can transmit power to the steering column seat through the steering column and can also directly drive the steering column seat, the steering column of the structure is only used for limiting the steering column seat to swing around the second rotating axis so as to drive the wheels to steer, and the force (such as torque) in other aspects is not borne, so that the service life of the steering column seat can be prolonged.
Furthermore, the second rotating axis deviates from the positive rear side relative to the first rotating axis, and the second rotating axis is parallel to the first rotating axis, so that the transmission device is convenient to arrange, the compactness of the structure is facilitated, and the motor tricycle is more suitable for the structure of the motor tricycle.
Further, the second rotating axis and the first rotating axis are parallel and are intersected with the longitudinal center line of the vehicle, and the structural integrity is strong; the longitudinal centerline of the vehicle is referred to as the frame longitudinal centerline, and the steering structure is centered, further fitting for motorcycles, with standard installation and manufacturing processes.
Furthermore, the steering driving system comprises a driving part, a steering driving shaft seat fixed on the front support of the vehicle body and a steering driving shaft passing through the steering driving shaft seat in a rotating fit manner, and the steering driving shaft can be driven by the driving part to rotate around a first rotating axis to form steering power and is transmitted to the steering column seat through a linkage device; the driving member generally refers to a steering wheel, a steering handle and the like, and also refers to a driving device for automatic steering, which is not described herein again; the steering drive shaft seat is fixedly arranged on a front support of a vehicle body of a vehicle (the vehicle body of the motor tricycle with the shed is provided with the front support of the vehicle body, and the front support of the vehicle body is a cross beam structure for transversely supporting the vehicle body) and is used for restricting the axial degree and the transverse degree of freedom of the steering drive shaft and only has the rotary degree of freedom.
Further, the linkage device comprises an active oscillating bar and a connecting rod, the active oscillating bar, the connecting rod and the steering column base form a connecting rod mechanism, wherein one end of the active oscillating bar is fixed on the steering driving shaft and swings around a first rotating axis along with the rotation of the driving shaft, one end of the connecting rod is hinged to the active oscillating bar, the other end of the connecting rod is hinged to the steering column base, and the active oscillating bar drives the connecting rod to drive the steering column base to swing around a second rotating axis so as to drive the wheels to steer; the connecting rod mechanism is adopted, the structure is simple, the assembly and the operation are convenient, the cost is saved, the response is sensitive, a plane connecting rod mechanism is generally adopted, the stress condition is better and predictable, the occupied space is small, and of course, a space connecting rod mechanism can also be adopted, and the purpose of the utility model can also be realized; in the structure, the driving swing rod drives the connecting rod to drive the driven swing rod (a certain distance is reserved between the hinge point of the connecting rod and the steering column base and the second rotating axis to form a force arm, so that the structure with the driven swing rod swings around the second rotating axis to drive the wheel to steer, and the vibration damping assembly and the wheel are driven to steer; it is emphasized that the active rocker and link can be provided in two sets of symmetry and used to drive the two sides of the steering column base (forming a symmetrical planar linkage), respectively, to form a balanced drive.
Furthermore, two ends of the steering column base are respectively arranged at two transverse sides of the steering column, the steering column base 202 is connected to wheels through a vibration damping assembly and drives the wheels to steer, the vibration damping assembly comprises two vibration dampers, a vibration damper base corresponding to the two vibration dampers and two front fork pipes, the two front fork pipes are respectively arranged at two transverse sides of the wheels, the upper ends of the two front fork pipes are correspondingly fixed at two ends of the steering column base, the lower ends of the two front fork pipes are connected to the corresponding vibration damper base through a hinge pair, and the two front fork pipes are hinged through the hinge pair, so that the vibration damping interference between the two front fork pipes and the vibration dampers is avoided while the support is formed, and the; the upper ends of the two shock absorbers are hinged to the hinge seats arranged on the corresponding front fork tubes, and the lower ends of the two shock absorbers are hinged to the corresponding shock absorber seats; the damping structure is matched with the steering system, so that stable steering is favorably formed, and steering operation interference is avoided; the steering driving is realized through the vibration reduction assembly, the influence of vibration on a steering system can be reduced, the steering stability is kept, and the vibration reduction assembly is suitable for a structure that the steering driving system is separated from a frame.
Furthermore, the front fork tube is located the front side of the shock absorber, the shock absorber seat extends to the front oblique upper side to form a front fork hinge seat, the front fork integrally forms a front bend arch shape, the lower end of the front fork is hinged to the front fork hinge seat to form a hinge pair, the front arch shape has good adaptability and stability, the shock absorber is supported, meanwhile, the front fork is located near the front steering force transmission, the steering power transmission is facilitated structurally, and deflection torque is not generated on a wheel shaft during steering.
Further, the articulated seat of formation bumper shock absorber is upwards extended in bumper shock absorber seat middle part, and the rear portion extends to the oblique top backward and forms the wheel connecting seat, and this structure further does benefit to absorbing stability, makes the shock attenuation be located between front fork tube and the axletree, has certain arm of force distance, still receives the stable restriction of front fork tube, simultaneously, does benefit to the transmission and turns to power, when forming the shock attenuation, has guaranteed the stability and the travelling comfort of structure.
Furthermore, the steering column extends out of the stand pipe downwards, the steering column base is fixed at the lower end of the steering column and is in a V shape with a forward opening, and one side end part is hinged with the connecting rod or two side end parts are respectively hinged with the corresponding connecting rod; as shown in the figure, the V-shaped opening angle is large, generally about 130 degrees, the structure can maintain the stability of the whole structure and is beneficial to transmitting steering torque; compared with the steering system (comprising 201310151897.3) in the prior art, the steering column and the stand pipe are not subjected to steering torque and can avoid complicated stress conditions in the steering process to a greater extent, the function is limited rotation and guidance, and therefore, the service life of the column stand pipe and auxiliary components (such as bearings) is longer, and the maintenance and use cost is reduced.
The utility model also discloses a motor tricycle, motor tricycle installs biaxial steering subassembly.
The utility model has the advantages that: the utility model discloses a biax turns to subassembly and motor tricycle, adopt the structure that turns to actuating system and a steering system separation, set the rotation center that turns to actuating system and the rotation center that turns to the system into the decentraction structure, and first axis of rotation (steering power input) leans on preceding, second axis of rotation (steering center) leans on the back relatively and lies in the frame riser coaxial with the frame riser, for under the condition of equal wheel wheelbase, the antedisplacement of steering actuating system, this structure compares with prior art's steering system (including 201310151897.3), under the condition that whole car length is the same, can make whole car arrange compacter, be favorable to promoting the passenger carrying cargo space, and reduce vehicle whole weight, do benefit to energy saving and consumption reduction and reduce manufacturing cost; for the motor tricycle with the same passenger carrying and cargo carrying spaces, the scheme can greatly shorten the wheelbase of the front wheel and the rear wheel, reduce the length of the whole motor tricycle and increase the strength and the stability; the rear steering system is separated from the steering driving system, so that the position is relatively low, the driving comfort is improved, and meanwhile, the structure that the steering driving system is separated from the steering system can also avoid directly transmitting the vibration of the wheels to the steering driving system.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a steering system;
FIG. 3 is a top view of FIG. 2;
fig. 4 is a schematic structural view of the motor tricycle of the present invention.
Detailed Description
Fig. 1 is the structural schematic diagram of the present invention, fig. 2 is the structural schematic diagram of a steering system, fig. 3 is the plan view of fig. 2, fig. 4 is the structural schematic diagram of a motor tricycle of the present invention, as shown in the figure: the two-axis steering assembly of the present embodiment includes a steering drive system 1 and a steering system 2, wherein the steering drive system 1 has a first rotation axis about which the steering drive system 1 is operated to rotate, that is, the steering drive system 1 has a drive member that is operated to rotate about the first rotation axis during steering, and the drive member transmits power to the steering system; the steering system 2 has a second axis of rotation, which is the steering axis of the wheel, which is the axis about which the wheel deflects when driven to steer; the first rotating axis and the second rotating axis are not coaxial, and the second rotating axis deviates to the rear side relative to the first rotating axis; the steering driving system is used for inputting steering power when steering is controlled, such as a manual handle or a steering wheel, and rotates around a center line (a first rotation axis) to form initial power of steering; the steering system transmits steering power to the steering wheels during steering to complete vehicle steering;
the steering system 2 comprises a steering column 201 which penetrates through the frame vertical pipe 5 and can be in running fit with the frame vertical pipe around a second rotating axis, and a steering column base 202 which is in transmission fit with the steering column 201 and can be limited by the steering column to swing around the second rotating axis so as to drive wheels to steer, wherein the steering column base 202 is connected with the wheels and drives the wheels to steer, generally front wheels, and the embodiment adopts the front wheel steering; the frame vertical pipe belongs to a common part of a motorcycle and is not described again; as shown in the figure, the frame riser 5 is fixed to the front end of the frame 6 (i.e. the frame riser is installed at the same position as the frame riser in the prior art, and is located at the foremost end of the frame, except that the frame riser is generally used in the prior art to directly support a steering driving component, such as a steering handle or a steering wheel, but the utility model is not used to support a rotation driving component, and the rotation driving component is not coaxial with the frame riser and is located at a proper position close to the front part), and the steering driving system is located at the position close to the front of the frame riser and is arranged on the body, and the body is a body of a motor tricycle with a shed, and for a motor tricycle without a shed, an installation component can be arranged at the body position for;
the linkage device 4 is used for transmitting steering power from a steering driving system to the steering system; the linkage device can adopt various existing mechanical structures, such as gear transmission, direct rocker transmission or spatial rocker or multi-link mechanism and the like, and the description is omitted;
in the scheme, the rotation center of the steering driving system and the rotation center of the steering system are arranged to be in a non-concentric structure, the first rotating axis (steering power input) is close to the front, the second rotating axis (steering center) is relatively close to the back and is arranged on the vertical pipe of the frame, and the steering driving system moves forwards under the condition of the same wheel base, so that the passenger carrying and cargo carrying space is enlarged; compared with the prior art motor tricycle with the same passenger carrying and cargo carrying space, the motor tricycle can greatly shorten the wheelbase of the front wheel and the rear wheel, and increase the strength and the stability; compared with the prior art motor tricycle with the same wheelbase, the motor tricycle has the advantages that the cargo carrying space is greatly increased; compared with the steering system (comprising 201310151897.3, only the wheelbase is reduced, the cargo space is not changed) in the prior art, the structure can greatly improve the cargo space by the same frame length, reduce the frame weight by the same cargo space, reduce the overall weight of the vehicle, and is beneficial to energy conservation, consumption reduction and manufacturing cost reduction; as shown in fig. 4, a is a steering driving system, b is a steering system, h is the forward movement distance of the steering driving system, and the distance h is the forward movement distance of the driving seat, so that a larger cargo space is made;
meanwhile, the structure that the steering driving system and the steering system are separated can also avoid directly transmitting the vibration of the wheels to the steering driving system, and improve the driving comfort.
The steering column 201 and the steering column base 202 are generally fixedly connected or integrally formed, the steering column 201 penetrates through the frame vertical pipe 5 and can be provided with thrust bearings up and down, the upper end of the steering column 201 penetrates through the frame vertical pipe and is provided with locking threads, the locking nuts are matched with the locking threads to achieve the purpose of locking, the upper end of the steering column is provided with the thrust bearings which are limited upwards by the locking nuts and the intermediate piece, the lower end of the steering column can adopt the same downward limiting structure, and corresponding limiting steps are certainly arranged on the steering column or the frame vertical pipe, so that the description is omitted; the steering column seat is in transmission fit with the steering column, the steering column is limited in the frame vertical pipe and can only rotate around the second central line, so that the steering column seat is limited to rotate around the second central line, when the steering column seat is driven to rotate, the shock absorption assembly is driven and the wheels are driven to complete steering, the structure is simple and compact, the realization is easy, the linkage device can transmit power to the steering column seat through the steering column and can also directly drive the steering column seat, the steering column of the structure is only used for limiting the steering column seat to swing around the second rotating axis so as to drive the wheels to steer, and the force (such as torque) in other aspects is not borne, so that the service life of the steering column seat can be prolonged.
In this embodiment, the second rotation axis deviates from the first rotation axis toward the front rear side, and the second rotation axis is parallel to the first rotation axis, so that the transmission device is convenient to arrange, the compactness of the structure is facilitated, and the motor tricycle is more suitable for the structure of the motor tricycle.
In this embodiment, the second rotation axis and the first rotation axis are parallel and both intersect with the longitudinal center line of the vehicle, and the structural integrity is strong; the longitudinal centre line of the vehicle is the longitudinal centre line of the frame 6, and the steering structure is located centrally, further adapted to a motorcycle, having standard mounting and manufacturing processes.
In this embodiment, the steering driving system 1 includes a driving member 101, a steering driving shaft seat 102 fixed to the front support 8 of the vehicle body, and a steering driving shaft 103 rotatably fitted through the steering driving shaft seat, as shown in the figure, the steering driving shaft seat 102 is fixed to the front support 8 of the vehicle body and fixed in a form of a hoop, and of course, other existing mechanical fixing methods may be adopted, and are not described herein again; the steering driving shaft 103 can be driven by a driving piece to rotate around a first rotating axis to form steering power and is transmitted to the steering column base through a linkage device; the driving member 101 generally refers to a steering wheel, a steering handle, etc., and may also refer to a driving device for automatic steering, which is a steering handle in this embodiment and is not described herein again; the steering drive shaft seat 102 is fixedly disposed on a front body support of a vehicle (the body of a motor tricycle with a shed has a front body support, a hubless vehicle can mount related components on the body, and a front support similar to a hubless vehicle is formed, the front body support is a cross beam structure for transversely supporting the body) and is used for restricting axial and transverse degrees of freedom of the steering drive shaft 103, so that the steering drive shaft only has a rotational degree of freedom, and the specific structure is that a rolling bearing and a thrust bearing are disposed, for example, the longitudinal degree of freedom is limited by locking a nut engaged with the thrust bearing up and down, of course, the steering drive shaft is required to be provided with necessary limiting steps, and the like, and details are not.
In this embodiment, the linkage 3 includes an active swing link 301 and a connecting rod 302, the active swing link 301, the connecting rod 302 and the steering column base 202 form a connecting rod mechanism, wherein one end of the active swing link 301 is fixed to the steering driving shaft and swings around a first rotation axis along with the rotation of the driving shaft, one end of the connecting rod 302 is hinged to the active swing link 301, and the other end is hinged to the steering column base 202, as shown in the figure, hinged by a hinge lug 303 fixed (welded) to the steering column base 202; the driving swing rod 301 drives the connecting rod 302 to drive the steering column base to swing around a second rotating axis so as to drive the wheels to steer; the connecting rod mechanism is adopted, the structure is simple, the assembly and the operation are convenient, the cost is saved, the response is sensitive, a plane connecting rod mechanism is generally adopted, the stress condition is better and predictable, the occupied space is small, and of course, a space connecting rod mechanism can also be adopted, and the purpose of the utility model can also be realized; in the structure, the driving swing rod drives the connecting rod to drive the driven swing rod (a certain distance is reserved between the hinge point of the connecting rod and the steering column base and the second rotating axis to form a force arm, so that the structure with the driven swing rod swings around the second rotating axis to drive the wheel to steer, and the vibration damping assembly and the wheel are driven to steer; it is emphasized that the active rocker and link can be provided in two sets of symmetry and used to drive the two sides of the steering column base (forming a symmetrical planar linkage), respectively, to form a balanced drive.
In this embodiment, two ends of the steering column base 202 are respectively arranged at two lateral sides of the steering column, the steering column base 202 is connected to the wheels through the vibration damping assembly 4 and drives the wheels to steer, the vibration damping assembly 4 comprises two vibration dampers 402, a vibration damper base 403 corresponding to the two vibration dampers 402 and two front fork tubes 401, the two front fork tubes 401 are respectively arranged at two lateral sides of the wheels, the upper ends of the two front fork tubes are correspondingly fixed at two ends of the steering column base 202, the lower ends of the two front fork tubes are connected to the corresponding vibration damper base 403 through hinge pairs, and the two front fork tubes are hinged through the hinge pairs to form support without damping interference with the vibration dampers, so that stable damping of the vibration dampers can be ensured without generating deflection; the upper ends of the two shock absorbers are hinged to a hinge seat 4011 arranged on the corresponding front fork tube, and the lower ends of the two shock absorbers are hinged to a corresponding shock absorber seat 403; the damping structure is matched with the steering system, so that stable steering is favorably formed, and steering operation interference is avoided; the steering driving is realized through the vibration reduction assembly, the influence of vibration on a steering system can be reduced, the steering stability is kept, and the vibration reduction assembly is suitable for a structure that the steering driving system is separated from a frame.
In this embodiment, the front fork tube 401 is located at the front side of the shock absorber 402, the shock absorber seat 403 extends forward and obliquely upward to form a front fork hinge seat 4031, the front fork integrally forms a bow shape with a front bend, the lower end of the front fork is hinged to the front fork hinge seat to form a hinge pair, the front bow shape has good adaptability and stability, the shock absorber is supported, meanwhile, the steering force near the front is transmitted, the transmission of the steering power is structurally facilitated, and no deflection moment is generated on the axle during steering.
In this embodiment, the middle part of the shock absorber base 403 extends upwards to form a shock absorber hinge base 4032, the rear part extends backwards and obliquely upwards to form a wheel connecting base 4033, and the wheel connecting base 4033 is used for being connected with a wheel shaft 7 of a wheel.
In this embodiment, the steering column extends downward from the stand pipe, the steering column base is fixed to the lower end of the steering column and is in a V shape with a forward opening, and one side end of the steering column base is hinged to a connecting rod or two side ends of the steering column base are respectively hinged to corresponding connecting rods; as shown in the figure, the V-shaped opening angle is large, generally about 130 degrees, the structure can maintain the stability of the whole structure and is beneficial to transmitting steering torque; when the steering column base is used, the end parts of two sides can be hinged to form driving through corresponding connecting rods (at the moment, the connecting rods and the driving swing rods are both two, the two swing rods are symmetrically distributed on the two transverse sides of the driving shaft and are respectively hinged to one connecting rod, and the two connecting rods are respectively hinged to the end parts of the two transverse sides of the steering column base correspondingly), so that the driving balance is good, but the purpose can be realized through one connecting rod on one side, the occupied space can be reduced, and the weight can be lightened (like the embodiment); compared with the steering system (comprising 201310151897.3) in the prior art, the steering column and the stand pipe are not subjected to steering torque and can avoid complicated stress conditions in the steering process to a greater extent, the function is limited rotation and guidance, and therefore, the service life of the column stand pipe and auxiliary components (such as bearings) is longer, and the maintenance and use cost is reduced.
The utility model also discloses a motor tricycle, motor tricycle installs biaxial steering subassembly.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A dual-axis steering assembly characterized by: the steering driving system is provided with a first rotating axis, and the steering driving system rotates around the first rotating axis when being controlled to rotate; the steering system is provided with a second rotating axis which is a steering axis of the wheel; the first rotating axis and the second rotating axis are not coaxial, and the second rotating axis deviates to the rear side relative to the first rotating axis;
the steering system comprises a steering column which penetrates through the frame vertical pipe and can be in rotating fit with the frame vertical pipe around a second rotating axis, and a steering column seat which is in transmission fit with the steering column and can be limited by the steering column to swing around the second rotating axis so as to drive wheels to steer, wherein the steering column seat is connected with the wheels and drives the wheels to steer; the frame vertical pipe is fixed at the front end of the frame;
the linkage device is used for transmitting steering control power to the steering system from the steering driving system.
2. The dual-axis steering assembly of claim 1, wherein: the second rotation axis is offset to the positive rear side with respect to the first rotation axis, and the second rotation axis is parallel to the first rotation axis.
3. The dual-axis steering assembly of claim 1, wherein: the second axis of rotation and the first axis of rotation are parallel and both intersect a longitudinal centerline of the vehicle.
4. The dual-axis steering assembly of claim 2, wherein: the steering driving system comprises a driving piece, a steering driving shaft seat fixed on a front support of the vehicle body and a steering driving shaft passing through the steering driving shaft seat in a rotating fit mode, and the steering driving shaft can be driven by the driving piece to rotate around a first rotating axis to form steering power and is transmitted to the steering column seat through a linkage device.
5. The dual-axis steering assembly of claim 4, wherein: the linkage device comprises an active oscillating bar and a connecting rod, the active oscillating bar, the connecting rod and the steering column base form a connecting rod mechanism, one end of the active oscillating bar is fixed on the steering driving shaft and swings around a first rotating axis along with the rotation of the steering driving shaft, one end of the connecting rod is hinged to the active oscillating bar, the other end of the connecting rod is hinged to the steering column base, and the active oscillating bar drives the connecting rod to drive the steering column base to swing around a second rotating axis so as to drive the wheels to steer.
6. The dual-axis steering assembly of claim 5, wherein: the two ends of the steering column seat are respectively arranged at the two transverse sides of the steering column, the steering column seat is connected to wheels through a vibration damping assembly and drives the wheels to steer, the vibration damping assembly comprises two vibration dampers, a vibration damper seat corresponding to the two vibration dampers and two front fork tubes, the two front fork tubes are respectively arranged at the two transverse sides of the wheels, the upper ends of the two front fork tubes are correspondingly fixed at the two ends of the steering column seat, and the lower ends of the two front fork tubes are connected to the corresponding vibration damper seats through hinge pairs; the upper ends of the two shock absorbers are hinged to the hinged seats arranged on the corresponding front fork tubes, and the lower ends of the two shock absorbers are hinged to the corresponding shock absorber seats.
7. The dual-axis steering assembly of claim 6, wherein: the front fork tube is positioned on the front side of the shock absorber, the shock absorber seat extends towards the front oblique upper side to form a front fork hinge seat, the front fork is integrally formed into a front-bent bow shape, and the lower end of the front fork is hinged to the front fork hinge seat to form a hinge pair.
8. The dual-axis steering assembly of claim 7, wherein: the middle part of the shock absorber seat extends upwards to form a shock absorber hinge seat, and the rear part of the shock absorber hinge seat extends backwards and obliquely upwards to form a wheel connecting seat.
9. The dual-axis steering assembly of claim 5, wherein: the steering column extends out of the stand pipe downwards, the steering column base is fixed to the lower end of the steering column and is in a V shape with a forward opening, and one side end portion of the steering column base is hinged to the connecting rod or two side end portions of the steering column base are hinged to the corresponding connecting rod respectively.
10. A motor tricycle, characterized in that: the motor tricycle is fitted with a dual axis steering assembly as claimed in any of claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502151X | 2019-06-11 | ||
| CN201910502151 | 2019-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210734409U true CN210734409U (en) | 2020-06-12 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910523380.XA Active CN110182291B (en) | 2019-06-11 | 2019-06-17 | Eccentric steering assembly and motor tricycle |
| CN201920918549.7U Withdrawn - After Issue CN210734409U (en) | 2019-06-11 | 2019-06-17 | Double-axis steering assembly and motor tricycle |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910523380.XA Active CN110182291B (en) | 2019-06-11 | 2019-06-17 | Eccentric steering assembly and motor tricycle |
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| Country | Link |
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| CN (2) | CN110182291B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182291A (en) * | 2019-06-11 | 2019-08-30 | 重庆隆鑫机车有限公司 | Centering type turns to assembly and motor tricycle |
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2019
- 2019-06-17 CN CN201910523380.XA patent/CN110182291B/en active Active
- 2019-06-17 CN CN201920918549.7U patent/CN210734409U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110182291A (en) * | 2019-06-11 | 2019-08-30 | 重庆隆鑫机车有限公司 | Centering type turns to assembly and motor tricycle |
| CN110182291B (en) * | 2019-06-11 | 2024-01-30 | 重庆隆鑫机车有限公司 | Eccentric steering assembly and motor tricycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110182291B (en) | 2024-01-30 |
| CN110182291A (en) | 2019-08-30 |
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Granted publication date: 20200612 Effective date of abandoning: 20240130 |
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Granted publication date: 20200612 Effective date of abandoning: 20240130 |