CN111319708A - Upward-moving type front suspension of damping mechanism of tricycle - Google Patents
Upward-moving type front suspension of damping mechanism of tricycle Download PDFInfo
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- CN111319708A CN111319708A CN202010265759.8A CN202010265759A CN111319708A CN 111319708 A CN111319708 A CN 111319708A CN 202010265759 A CN202010265759 A CN 202010265759A CN 111319708 A CN111319708 A CN 111319708A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 264
- 238000013016 damping Methods 0.000 title claims abstract description 72
- 239000000725 suspension Substances 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 98
- 230000035939 shock Effects 0.000 claims abstract description 61
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
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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
- B62K21/00—Steering devices
- B62K21/02—Front wheel forks or equivalent, e.g. single tine
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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
- B62K21/08—Steering dampers
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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
- B62K21/12—Handlebars; Handlebar stems
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention relates to a shock absorption mechanism upward-moving type front suspension of a tricycle, which comprises a shock absorption mechanism, a front fork mechanism, a steering mechanism and a steering transmission mechanism, wherein the upper part of the front fork mechanism is rotationally connected with the lower part of the shock absorption mechanism; the lower end of the front fork mechanism is used for being connected with the wheels of the tricycle; the steering mechanism and the front fork mechanism are arranged in front and at back; the lower part of the steering mechanism is connected with the front fork mechanism through a steering transmission mechanism; when the steering mechanism rotates, the steering transmission mechanism drives the front fork mechanism to rotate, so that torque transmission is realized; the damping mechanism moves upwards and is far away from the ground and wheels, so that the erosion of muddy water and the like to the damping mechanism is avoided; the tricycle provided with the steering mechanism moves forwards, and an enough operation space is reserved on the premise of not changing the length of the whole tricycle, so that the comfort of man-machine engineering is improved, and the steering is flexible and light.
Description
Technical Field
The invention relates to the field of motor vehicles, in particular to an upward-moving front suspension of a damping mechanism of a tricycle.
Background
At present, the transportation market tricycle occupies a certain proportion, and along with the continuous deepening of each region friction limiting policy strength, the tricycle market is tending to the decline trend every year, but the user requires that the length of packing box is constantly lengthened, and the requirement for the riding comfort of vehicle is constantly improved. The existing front suspension damping mechanisms of the tricycle are distributed on the left side and the right side of a wheel, the damping mechanisms have the function of damping up and down under the action of torsion force generated when the wheel turns left and right, and the damping effect and the service life of the damping mechanisms are influenced by the torsion force generated when the wheel turns; in addition, the ground clearance of the front suspension damping mechanism of the structure is too small, so that soil, water and the like are easy to enter to cause the failure problems of rusting, oil leakage and the like of the damping mechanism; in terms of comfort, if the container is only lengthened, the driving operation space is narrow, steering is heavy, and therefore the ergonomic comfort is poor.
Disclosure of Invention
The present invention is directed to a tricycle damping mechanism upward-moving front suspension, which solves at least one of the above-mentioned problems.
The technical scheme for solving the technical problems is as follows: an upward-moving front suspension of a shock absorption mechanism of a tricycle comprises,
a shock-absorbing mechanism is arranged on the base,
the upper part of the front fork mechanism is rotationally connected with the lower part of the damping mechanism; the lower end of the front fork mechanism is used for being connected with the wheels of the tricycle;
the steering mechanism and the front fork mechanism are arranged in front and at the back;
the lower part of the steering mechanism is connected with the front fork mechanism through the steering transmission mechanism;
when the steering mechanism rotates, the steering transmission mechanism drives the front fork mechanism to rotate, and torque transmission is achieved.
Further, the damping mechanism comprises a lower support device and a damping device, and the lower part of the damping device is rotatably connected with the upper part of the front fork mechanism through the lower support device.
And the damping device is fixedly connected with the upper supporting device and/or the frame of the tricycle.
Furthermore, damping device includes a plurality of bumper shock absorber, and the lower part of a plurality of bumper shock absorber all is connected with the upper portion of front fork mechanism through lower support device and rotation.
Further, the front fork mechanism comprises a direction column and a front fork device, the lower end of the direction column is fixedly connected with the upper end of the front fork device, and the direction column is rotatably connected with the lower part of the damping mechanism; the steering mechanism is connected with the steering column through the steering transmission mechanism and drives the steering column to rotate, so that the front fork device is driven to rotate, and the steering of the wheels is realized.
Further, steering mechanism includes steering handle or steering wheel, still includes handle seat and steering spindle, and steering handle or steering wheel are installed through handle seat to the upper end of steering spindle, and the lower extreme is connected with steering drive mechanism.
Further, the steering transmission mechanism is one of connecting rod transmission, chain wheel and chain transmission, belt and pulley transmission, gear and rack transmission, worm and gear transmission or gear and gear ring transmission.
Furthermore, when the steering transmission mechanism is in link transmission, the steering transmission mechanism comprises a steering arm, a rocker arm and a tie rod I, wherein the front end and the rear end of the tie rod I are respectively connected with one end of the rocker arm and one end of the steering arm through a steering pin, and the other ends of the rocker arm and the steering arm are respectively connected with the lower end of the steering mechanism and the upper end of the front fork mechanism.
Furthermore, when the steering transmission mechanism is driven by a chain wheel and a chain, the steering transmission mechanism comprises a first chain wheel, a second chain wheel and the chain, the first chain wheel and the second chain wheel are respectively connected with the lower end of the steering mechanism and the upper end of the front fork mechanism, and the first chain wheel and the second chain wheel are connected through the chain.
Further, when the steering transmission mechanism is in gear-rack transmission, the steering transmission mechanism comprises a first gear, a rack and a first connecting rod, the first gear is connected with the steering mechanism and meshed with the rack, and one end of the rack is connected with the front fork mechanism through the first connecting rod; the first gear rotates along with the steering mechanism to drive the rack to move, and then the first connecting rod drives the front fork mechanism to rotate so as to steer the wheels.
Further, when the steering transmission mechanism is driven by a gear ring, the steering transmission mechanism comprises a second gear and a gear ring, the second gear is fixedly connected with the steering mechanism and penetrates through the gear ring to be meshed with the inner side of the gear ring, and the gear ring is fixedly connected with the front fork mechanism; the second gear rotates along with the steering mechanism to drive the gear ring to rotate, and then the front fork mechanism is driven to rotate to steer the wheels.
Further, when the steering transmission mechanism is in worm gear transmission, the worm gear transmission mechanism comprises a worm gear structure, a tie rod II and a connecting rod II, the input end of the worm gear structure is connected with the steering mechanism, the output end of the worm gear structure is connected with one end of the tie rod II through a steering pin, the other end of the tie rod II is connected with one end of the connecting rod II through a steering pin, and the other end of the connecting rod II is fixedly connected with the front fork mechanism.
The invention has the beneficial effects that: the lower part of the damping mechanism is rotatably connected with the upper part of the front fork mechanism, and the lower end of the front fork mechanism is connected with the wheel, so that the aim of integrally moving the damping mechanism to the upper part of the front fork mechanism is fulfilled.
2. The steering mechanism and the front fork mechanism are arranged in the front-back direction, the steering mechanism moves forwards, the position of the tricycle wheel provided with the invention is unchanged, the whole seat can move forwards, the length of a container is correspondingly increased, enough operation space is reserved on the premise of not changing the length of the whole seat, and the comfort of man-machine engineering is improved.
3. By adjusting the transmission ratio of the steering transmission mechanism, the force applied to the steering control device by a driver in the steering process is reduced, and meanwhile, the swinging and hitting phenomenon of the steering control device in the driving process is reduced, so that the steering is light, and the driving is more stable.
4. The invention can be fixed with the frame of the tricycle through the upper supporting device, and compared with the traditional mode that the front suspension is fixed with the head tube on the frame through the direction column through the bearing, the invention solves the problem that the head tube can not move up and down along with the damping mechanism.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention mounted to a wheel;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of another embodiment of the present invention mounted to a wheel;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3;
FIG. 6 is a schematic view of an embodiment of the present invention in which the steering transmission mechanism is a sprocket chain transmission;
FIG. 7 is a schematic view of an embodiment of the steering gear mechanism of the present invention being a rack and pinion drive;
FIG. 8 is a schematic view of an embodiment of the present invention in which the steering gear is a geared ring gear drive;
FIG. 9 is a schematic view of an embodiment of the present invention in which the steering gear is a worm gear and worm drive;
FIG. 10 is a schematic view of yet another embodiment of the present invention;
fig. 11 is a left side view of fig. 10.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an upper support device; 21, a left damping device; 22, a right damping device; 3. a shock absorbing guide; 4. a lower support means; 5. a direction post; 6. a front fork device; 7. a direction bearing seat; 8. a steering shaft seat; 9. a wheel; 10. a steering shaft; 12. a steering arm; 13. a rocker arm; 14. a tie rod I; 15. a steering pin; 16. a direction handle; 17. a handle seat 18 and a steering shaft sheath; 101. the chain wheel I, 102, the chain wheel II, 103, the chain, 112, the rack, 113, the connecting rod I, 122, the gear ring, 131, the worm gear structure, 132, the tie rod II, 133 and the connecting rod II.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-9, a tricycle shock absorbing mechanism upward-moving front suspension includes,
a shock-absorbing mechanism is arranged on the base,
the upper part of the front fork mechanism is rotationally connected with the lower part of the damping mechanism; the lower end of the front fork mechanism is used for being connected with the wheels of the tricycle;
the steering mechanism and the front fork mechanism are arranged in front and at the back;
the lower part of the steering mechanism is connected with the front fork mechanism through the steering transmission mechanism;
when the steering mechanism rotates, the steering transmission mechanism drives the front fork mechanism to rotate, and torque transmission is achieved.
As shown in fig. 1-9, the upward-moving front suspension of the shock absorbing mechanism of the tricycle comprises a lower support device and a shock absorbing device, wherein the lower part of the shock absorbing device is rotatably connected with the upper part of a front fork mechanism through the lower support device.
As shown in fig. 1-9, the upward-moving front suspension of the shock absorbing mechanism of the tricycle further comprises an upper supporting device, the upper supporting device is fixedly connected with the frame of the tricycle, and the shock absorbing device is fixedly connected with the upper supporting device and/or the frame of the tricycle.
As shown in fig. 1-9, the upward-moving front suspension of the shock absorption mechanism of the tricycle further comprises a shock absorption guide device, one end of the shock absorption guide device is in sliding connection with the upper support device and/or the frame of the tricycle, and the other end of the shock absorption guide device is fixedly connected with the lower support device.
As shown in fig. 1-9, the shock absorbing mechanism upward-moving front suspension of a tricycle comprises a plurality of shock absorbers, and the lower parts of the shock absorbers are rotatably connected with the upper part of a front fork mechanism through a lower support device.
As shown in fig. 1-9, a shock absorbing mechanism upward-moving front suspension of a tricycle, a front fork mechanism comprises a direction column and a front fork device, wherein the lower end of the direction column is fixedly connected with the upper end of the front fork device, and the direction column is rotatably connected with the lower part of the shock absorbing mechanism; the steering mechanism is connected with the steering column through the steering transmission mechanism and drives the steering column to rotate, so that the front fork device is driven to rotate, and the steering of the wheels is realized.
As shown in fig. 1-9, the upward-moving front suspension of the shock absorbing mechanism of the tricycle comprises a steering handle or a steering wheel, a handle seat and a steering shaft, wherein the steering handle or the steering wheel is arranged at the upper end of the steering shaft through the handle seat, and the lower end of the steering shaft is connected with a steering transmission mechanism.
As shown in fig. 1-9, the steering transmission mechanism of the upward-moving front suspension of the shock absorbing mechanism of the tricycle is one of a connecting rod transmission, a chain wheel and chain transmission, a belt pulley transmission, a gear and rack transmission, a worm and gear transmission or a gear and gear ring transmission.
As shown in figures 1-9, when the steering transmission mechanism is a connecting rod transmission, the upward-moving front suspension of the shock absorption mechanism of the tricycle comprises a steering arm, a rocker arm and a tie rod I, wherein the front end and the rear end of the tie rod I are respectively connected with one end of the rocker arm and one end of the steering arm through a steering pin, and the other ends of the rocker arm and the steering arm are respectively connected with the lower end of the steering mechanism and the upper end of a front fork mechanism.
Specifically, in one embodiment, as shown in fig. 1-5, a shock absorbing mechanism upward-moving front suspension of a tricycle comprises a steering mechanism, a front fork mechanism, an upper supporting device 1, a lower supporting device 4, a shock absorbing mechanism and a steering transmission device,
the upper supporting device 1 and the lower supporting device 4 are arranged up and down;
a damping mechanism is arranged between the upper supporting device 1 and the lower supporting device 4;
the steering mechanism and the front fork mechanism are arranged in front and back;
the upper supporting device is used for being fixedly connected with a frame of the tricycle;
in the embodiment, the lower end of the steering mechanism penetrates through the upper support device 1 to be fixedly connected with the front end of the steering transmission device, and the steering mechanism is rotatably connected with the upper support device 1;
in other embodiments, the lower end of the steering mechanism passes through the frame of the tricycle and is fixedly connected with the front end of the steering transmission device, and the steering mechanism is rotatably connected with the frame of the tricycle.
The upper supporting device 1 or the frame provides a stable position location and limit for the steering mechanism.
The upper end of the front fork mechanism penetrates through the lower supporting device 4 to be fixedly connected with the rear end of the steering transmission device, and the front fork mechanism is rotatably connected with the lower supporting device 4.
Specifically, the upper supporting device 1 in this embodiment is a triangular plate, and is not limited to a triangular plate, and the damping mechanism includes a left damping device 21 and a right damping device 22 which are symmetrically distributed. The left shock absorption device 21 and the right shock absorption device 22 are distributed to comprise a plurality of shock absorbers, the number is not limited, and the distribution form is not limited.
In one embodiment, as shown in fig. 3 and 4, the lower support device 4 comprises a cross beam and a longitudinal beam which are fixed in a crossed manner, and the rear end of the cross beam is fixedly connected with the front fork mechanism. The two ends of the longitudinal beam are respectively connected with a left damping device 21 and a right damping device 22.
Specifically, in this embodiment, the lower end of the shock-absorbing guide device 3 is connected to the lower support device 4 (the front end of the longitudinal beam), and the upper end of the shock-absorbing guide device passes through a guide sleeve welded in the middle of the upper support device 1 to realize the up-and-down movement of the shock-absorbing mechanism, and the shock-absorbing guide device 3 may be one of various forms such as a guide post, a shock-absorbing mechanism, and a damper.
In some embodiments, the lower end of the shock-absorbing guide 3 is fixedly connected to the lower support 4, and the upper end is slidably connected to the frame of the tricycle. Specifically, the lower end of the shock absorption guide device 3 is connected with the lower support device 4, the upper end of the shock absorption guide device penetrates through a guide sleeve welded on the frame, the up-and-down movement of the shock absorption mechanism is achieved, and the shock absorption guide device 3 can be one of a guide column, a shock absorber, a damper and other forms.
In some embodiments, the damping guide 3 is not provided, and the damping mechanism can also play a role in guiding.
In other embodiments, as shown in figures 10 and 11, the lower support means 4 is an integral lower support means, triangular in shape with respect to the upper support means 1.
As shown in fig. 10 and 11, the steering column is rotatably connected to the upper and lower supporting means, respectively.
It should be noted that the specific shapes of the upper supporting device 1 and the lower supporting device 4 are not limited, and the embodiment provides only one specific shape, and other shapes are also within the protection scope of the present invention.
Preferably, the left damper 21, the right damper 22 and the damper guide 3 are disposed in parallel and are distributed in a triangular shape corresponding to the shape of the upper support device 1. By utilizing the stability of the triangle, the lateral rigidity of the damping mechanism is improved, and the front suspension system is more stable.
It should be noted that the embodiment provides only one specific distribution form, and other forms are within the scope of the present invention.
Preferably, the axes of the front fork mechanism, the damping guide device 3 and the steering mechanism are positioned on the same plane, the structure is optimized, and the stress is balanced.
It should be noted that the axes of the front fork mechanism, the damper guide 3 and the steering mechanism are located in the same plane is a preferable solution provided in this embodiment, and it is also within the scope of the present invention that the axes of the front fork mechanism, the damper guide 3 and the steering mechanism are not located in the same plane.
The left damping device 21, the right damping device 22 (comprising upright and inverted) and the damping guide device 3 are parallelly fixed between the upper supporting device 1 and the lower supporting device 4, the left damping device 21, the right damping device 22 and the damping guide device 3 are equivalent to three damping mechanisms and are in triangular distribution design, and the lateral rigidity of a damping mechanism assembly is improved by utilizing the stability of a triangle, so that a front suspension system is more stable. The left damping device 21, the right damping device 22 and the damping guide 3 are perpendicular to the upper supporting device 1 and the lower supporting device 4. The left damping device 21 and the right damping device 22 are a plurality of damping mechanisms which are parallel to each other or are arranged on the left and right, the lower ends of the damping mechanisms are connected with the lower supporting device 4, and the upper ends of the damping mechanisms penetrate through a guide sleeve welded in the middle of the upper supporting device 1 to realize the up-and-down movement of the damping mechanisms.
Left damping device 21, right damping device 22 is preceding arranges tricycle wheel 9 steering axis in, left damping device 21 promptly, right damping device 22 is for 9 axle antedisplacement L of wheel, generate a moment of flexure FL, can effectively offset ground reaction G and object to the moment of flexure of damper assembly, subduct damper assembly fore-and-aft direction's lateral force, effectively promote damper's sensitivity, thereby promote the travelling comfort, make damper motion more nimble, increase of service life.
The damping mechanism moves upwards and is far away from the ground and the wheels 9, so that the erosion of muddy water and the like to the damping mechanism is avoided; through the antedisplacement damper, subdue damper's lateral force, promote damper's shock attenuation effect, reduce the fault rate to improve the human-machine engineering and drive the travelling comfort.
The steering mechanism moves forwards, the position of the tricycle wheel 9 provided with the invention is unchanged, the whole seat can move forwards, the length of a container is correspondingly increased, enough operating space is reserved on the premise of not changing the length of the whole seat, and the comfort of man-machine engineering is improved.
The steering transmission mechanism realizes the transmission of steering force.
As shown in fig. 1-5, in the embodiment of the upward-moving front suspension of the shock absorbing mechanism of the tricycle, the steering transmission mechanism is a link transmission and comprises a steering arm 12, a rocker arm 13 and a tie rod 14, the front end and the rear end of the tie rod 14 are respectively connected with one end of the rocker arm 13 and one end of the steering arm 12 through a steering pin 15, and the other end of the rocker arm 13 and the other end of the steering arm 12 are respectively fixedly connected with the lower end of the steering mechanism and the upper end of the front fork mechanism.
A first tie rod 14, the length of which determines the distance between the steering column 5 and the steering shaft 10 of the wheel 9, thereby controlling the distance between the seat and the steering device; and the steering pin 15 is structurally assembled to realize steering transmission.
As shown in fig. 1-5, in the embodiment of a shock absorbing mechanism upward-moving front suspension of a tricycle, an upper supporting device 1 is fixedly provided with a steering shaft seat 8, and the steering shaft seat 8 is sleeved on a steering mechanism and is rotatably connected with the steering mechanism.
Specifically, a steering shaft seat 8 is welded at an upper side hole at the front end of the upper supporting device 1, and a bearing and a steering shaft 10 are assembled in the steering shaft seat 8 and connected together to realize a steering function.
As shown in fig. 1-5, the upward-moving front suspension of the shock absorbing mechanism of the tricycle comprises a steering handle 16, a handle seat 17 and a steering shaft 10, wherein the steering shaft 10 is arranged on the steering shaft seat 8 in a penetrating way and is connected with the steering shaft 10 in a rotating way, the steering handle 16 is arranged at the upper end of the steering shaft 10 through the handle seat 17, and the lower end of the steering shaft 10 is fixedly connected with a rocker arm 13.
As shown in fig. 1-5, the upward-moving front suspension of a shock absorbing mechanism of a tricycle further includes a steering shaft sheath 18, the steering shaft seat 8 is fixed on the upper side of the upper supporting device 1, the steering shaft sheath 18 is sleeved on the steering shaft 10, and two ends of the steering shaft sheath 18 are respectively connected with the lower side of the upper supporting device 1 and the lower end of the steering shaft 10.
As shown in fig. 1-5, a tricycle damping mechanism upward-moving front suspension, an upper supporting device 1 is fixedly provided with a direction bearing seat 7, and the direction bearing seat 7 is sleeved on a front fork mechanism and is rotatably connected with the front fork mechanism.
Specifically, the rear side (rear end of the longitudinal beam) hole of the lower support device 4 is welded with the direction bearing seat 7, the direction column 5 and the direction bearing seat 7 rotate relatively through assembling a bearing, and the end part of the upper bearing is fastened and fixed by a round nut and a stop washer, so that the problem of swinging of the direction handle 16 caused by bearing loosening is prevented.
In other embodiments, the steering shaft seat 8 may also be fixed to the frame of a tricycle.
As shown in fig. 1-9, the front fork mechanism of the upward-moving front suspension of the shock absorbing mechanism of the tricycle comprises a front fork device 6 and a direction column 5, wherein the direction column 5 is arranged on a direction bearing seat 7 in a penetrating mode and is connected with the direction bearing seat in a rotating mode, the upper end of the direction column 5 is fixedly connected with a rocker arm 13, and the lower end of the direction column 5 is fixedly connected with the front fork device 6.
In this embodiment, the length of the rocker arm 13 is a and the length of the steering arm 12 is B. According to the principle of a hinged four-bar mechanism, A is larger than B and is heavy in steering, and A is smaller than B and is light in steering.
The upper end of the steering shaft 10 is connected with a handle seat 17 through a flat key, the top end of the steering shaft 10 is fastened by a nut, and a handle pipe is fastened on the handle seat 17 by pressing the handle; the steering shaft 10 and the steering shaft seat 8 are assembled through a bearing to realize relative rotation; the end parts of the bearings are fastened and fixed by round nuts, and the two bearings prop against the inner rings of the bearings through the bushings, so that the axial movement of the bearings is avoided.
The steering handle 16 is tightly connected with the handle seat 17 through a steering handle pressing block, the steering shaft 10 is parallel to the axis of the steering column 5, a certain distance is generated between the front and the back of the steering shaft after the steering shaft is connected through the steering transmission device, so that the steering handle 16 moves forwards, the distance between the seat and the steering handle is increased, the operation space is enlarged, the steering handle 16 rotates to drive the steering transmission device to rotate, and the steering transmission device drives the wheels 9 to rotate.
By adjusting the transmission ratio of the steering transmission mechanism, the force applied to the steering control device by a driver in the steering process is reduced, and meanwhile, the swinging and hitting phenomenon of the steering control device in the driving process is reduced, so that the steering is light, and the driving is more stable.
When the tricycle is mounted in the embodiment, the upper supporting device 1 is connected with a frame of the tricycle, the upper ends of the left damping device 21 and the right damping device 22 are fixed on the upper supporting device 1 or the frame, the lower ends of the left and right damping devices 22 and the lower ends of the damping guide devices 3 are connected with the lower supporting device 4, the direction bearing seat 7 is welded on the lower supporting device 4, a front fork mechanism formed by the direction column 5 and the front fork device 6 is connected with the direction bearing seat 7 through upper and lower bearings to realize a steering function, and meanwhile, the wheels 9, the front fork mechanism and the lower supporting device 4 perform up-and-down damping along with the damping mechanism and the damping guide devices 3 and synchronously move up; compared with the traditional front suspension which is fixedly installed with a head tube on a frame through a bearing through a direction column 5, the problem that the head tube cannot move up and down along with a damping mechanism is solved.
In other embodiments, as shown in fig. 6, when the steering transmission mechanism is a chain-and-sprocket transmission, the chain-and-sprocket transmission mechanism includes a first chain wheel 101, a second chain wheel 102 and a chain 103, the first chain wheel 101 and the second chain wheel 102 are respectively connected to the lower end of the steering mechanism and the upper end of the front fork mechanism, and the first chain wheel 101 and the second chain wheel 102 are connected by the chain 103.
Specifically, the first chain wheel 101 is fixedly connected with the steering shaft 10, the second chain wheel 102 is fixedly connected with the steering column 5, the first chain wheel 101 rotates along with the steering shaft 10, the second chain wheel 102 is driven to rotate through the chain 103, the steering column 5 is driven to rotate, and the steering of the wheels 9 is achieved.
In other embodiments, as shown in fig. 7, when the steering transmission mechanism is a rack-and-pinion transmission, the steering transmission mechanism includes a first gear, a rack 112 and a first connecting rod 113, the first gear is connected to the steering mechanism and is engaged with the rack 112, and one end of the rack 112 is connected to the front fork mechanism through the first connecting rod 113; the first gear rotates along with the steering mechanism to drive the rack 112 to move, and further drives the front fork mechanism to rotate through the first connecting rod 113, so that the wheels 9 are steered.
Specifically, the first gear is fixedly connected with the steering shaft 10, the first connecting rod 113 is connected with the rack 112 through a steering pin, the first gear rotates along with the steering shaft 10 to drive the rack 112 to move, the rack 112 drives the first connecting rod 113 to rotate, and then the front fork device 6 is driven to rotate, so that the wheels 9 are steered.
In other embodiments, as shown in fig. 8, when the steering transmission mechanism is a gear-ring transmission mechanism, the steering transmission mechanism includes a second gear and a ring gear 122, the second gear is fixedly connected with the steering mechanism and is inserted into the ring gear 122 to engage with the inner side of the ring gear 122, and the ring gear 122 is fixedly connected with the front fork mechanism; the second gear rotates with the steering mechanism to drive the gear ring 122 to rotate, and further drives the front fork mechanism to rotate, so that the wheels 9 are steered. In fig. 8, a steering wheel is attached to the upper end of the steering shaft 10.
In other embodiments, as shown in fig. 9, when the steering transmission mechanism is a worm gear and worm transmission mechanism, the worm gear and worm transmission mechanism includes a worm gear and worm structure 131, a second tie rod 132 and a second connecting rod 133, an input end of the worm gear and worm structure is connected with the steering mechanism, an output end of the worm gear and worm structure is connected with one end of the second tie rod through a steering pin, the other end of the second tie rod is connected with one end of the second connecting rod through a steering pin, and the other end of the second connecting rod is fixedly connected with the front.
The beneficial effect of this embodiment is: through the upper and lower setting of last strutting arrangement 1 and lower support device 4, and install damper between last strutting arrangement 1 and lower support device 4, and the upper end of front fork mechanism links to each other with lower support device 4, and the lower extreme of front fork mechanism is used for being connected with the wheel, realizes moving damper up to the purpose on the upper portion of front fork mechanism, and the damper of this embodiment moves up, keeps away from ground and wheel, avoids muddy water etc. to damper's erosion.
Arrange around through steering mechanism and front fork mechanism, with the steering mechanism antedisplacement, install the tricycle wheel position of this embodiment unchangeably, can with whole car seat antedisplacement, realize the corresponding increase of packing box length, and reserve sufficient operating space under the prerequisite that does not change whole car length, improve ergonomic travelling comfort.
By adjusting the transmission ratio of the steering transmission mechanism, the force applied to the steering control device by a driver in the steering process is reduced, and meanwhile, the swinging and hitting phenomenon of the steering control device in the driving process is reduced, so that the steering is light, and the driving is more stable.
This embodiment accessible is gone up strutting arrangement and is in the same place fixed with the tricycle frame, compares with the car head pipe of traditional front suspension passing through the direction post on with the frame and passes through the bearing installation together, has solved the problem that the car head pipe can not be along with damper up-and-down motion together.
In the description herein, reference to the terms "embodiment one," "embodiment two," "example," "specific example," or "some examples," etc., means that a particular method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, methods, apparatuses, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An upward-moving front suspension of a shock absorption mechanism of a tricycle is characterized by comprising,
a shock-absorbing mechanism is arranged on the base,
the upper part of the front fork mechanism is rotationally connected with the lower part of the damping mechanism to move the damping mechanism upwards; the lower end of the front fork mechanism is used for being connected with wheels of the tricycle;
the steering mechanism and the front fork mechanism are arranged in front and at the back;
the lower part of the steering mechanism is connected with the front fork mechanism through the steering transmission mechanism;
when the steering mechanism rotates, the steering transmission mechanism drives the front fork mechanism to rotate, and torque transmission is achieved.
2. The tricycle shock absorbing mechanism upward moving front suspension of claim 1, wherein the shock absorbing mechanism includes a lower support means and a shock absorbing means, a lower portion of the shock absorbing means being rotatably connected to an upper portion of the front fork mechanism by the lower support means.
3. The tricycle shock absorbing mechanism upward-moving front suspension according to claim 2, further comprising an upper support device fixedly connected with the frame of the tricycle, wherein the shock absorbing device is fixedly connected with the upper support device and/or the frame of the tricycle.
4. The tricycle shock absorbing mechanism upward-moving front suspension according to any one of claims 2-3, wherein the shock absorbing means comprises a plurality of shock absorbers, and the lower parts of the plurality of shock absorbers are rotatably connected with the upper part of the front fork mechanism through lower supporting means.
5. The tricycle shock absorbing mechanism upward-moving front suspension according to any one of claims 1-3, wherein the front fork mechanism comprises a steering column and a front fork device, the lower end of the steering column is fixedly connected with the upper end of the front fork device, and the steering column is rotatably connected with the lower part of the shock absorbing mechanism; the lower end of the front fork device is used for mounting wheels of the tricycle; the steering mechanism is connected with the steering column through the steering transmission mechanism and drives the steering column to rotate, so that the front fork device is driven to rotate, and the steering of the wheels is realized.
6. The tricycle shock absorbing mechanism upward-moving front suspension according to claim 5, wherein the steering mechanism comprises a steering handle or a steering wheel, and further comprises a handle seat and a steering shaft, the steering handle or the steering wheel is mounted on the upper end of the steering shaft through the handle seat, and the lower end of the steering shaft is connected with the steering transmission mechanism.
7. The tricycle shock absorbing mechanism upward-moving front suspension according to any one of claims 1-3, 6, wherein the steering transmission mechanism is one of a link transmission, a sprocket chain transmission, a belt pulley transmission, a rack and pinion transmission, a worm gear transmission or a gear and pinion transmission.
8. The tricycle shock absorbing mechanism upward-moving front suspension according to claim 7, wherein the steering transmission mechanism is a link transmission mechanism, and the tricycle shock absorbing mechanism includes a steering arm, a rocker arm and a first tie rod, wherein the front end and the rear end of the first tie rod are respectively connected with one end of the rocker arm and one end of the steering arm through a steering pin, and the other end of the rocker arm and the other end of the steering arm are respectively connected with the lower end of the steering mechanism and the upper end of the front fork mechanism.
9. The tricycle shock absorbing mechanism upward-moving front suspension according to claim 7, wherein the steering transmission mechanism is a chain wheel and chain transmission mechanism, the chain wheel and chain wheel are respectively connected with the lower end of the steering mechanism and the upper end of the front fork mechanism, and the chain wheel and chain wheel are connected through the chain.
10. The tricycle shock absorbing mechanism upward-moving front suspension fork according to claim 7, wherein when the steering transmission mechanism is a rack-and-pinion transmission, the steering transmission mechanism comprises a first gear, a first rack and a first connecting rod, the first gear is connected with the steering mechanism and meshed with the first rack, and one end of the first rack is connected with the front fork mechanism through the first connecting rod; the first gear rotates along with the steering mechanism to drive the rack to move, and then the first connecting rod drives the front fork mechanism to rotate so as to steer the wheels.
11. The tricycle shock absorbing mechanism upward-moving front suspension fork as claimed in claim 7, wherein when the steering transmission mechanism is a gear-ring transmission, the steering transmission mechanism comprises a second gear and a ring gear, the second gear is fixedly connected with the steering mechanism and is arranged in the ring gear in a penetrating way to be meshed with the inner side of the ring gear, and the ring gear is fixedly connected with the front fork mechanism; the second gear rotates along with the steering mechanism to drive the gear ring to rotate, and further drives the front fork mechanism to rotate, so that the wheels are steered.
12. The tricycle damping mechanism upward-moving type front suspension is characterized in that when the steering transmission mechanism is in worm gear and worm transmission, the tricycle damping mechanism upward-moving type front suspension comprises a worm gear and worm structure, a second tie rod and a second connecting rod, wherein the input end of the worm gear and worm structure is connected with the steering mechanism, the output end of the worm gear and worm structure is connected with one end of the second tie rod through a steering pin, the other end of the second tie rod is connected with one end of the second connecting rod through a steering pin, and the other end of the second connecting rod is fixedly connected with the front fork mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265759.8A CN111319708A (en) | 2020-04-07 | 2020-04-07 | Upward-moving type front suspension of damping mechanism of tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010265759.8A CN111319708A (en) | 2020-04-07 | 2020-04-07 | Upward-moving type front suspension of damping mechanism of tricycle |
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| CN111319708A true CN111319708A (en) | 2020-06-23 |
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| CN202010265759.8A Pending CN111319708A (en) | 2020-04-07 | 2020-04-07 | Upward-moving type front suspension of damping mechanism of tricycle |
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Cited By (1)
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| CN114516249A (en) * | 2020-11-19 | 2022-05-20 | 现代自动车株式会社 | Independent suspension system |
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