CN105620637B - A kind of torque-variable suspension and damping device and tricycle with the suspension - Google Patents
A kind of torque-variable suspension and damping device and tricycle with the suspension Download PDFInfo
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- CN105620637B CN105620637B CN201610055409.2A CN201610055409A CN105620637B CN 105620637 B CN105620637 B CN 105620637B CN 201610055409 A CN201610055409 A CN 201610055409A CN 105620637 B CN105620637 B CN 105620637B
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- point
- support arm
- arm
- connecting rod
- damper
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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
- B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
- B62K25/14—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg
- B62K25/16—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for front wheel
- B62K25/18—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for front wheel the arm being pivoted intermediate its ends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The present invention relates to a kind of torque-variable suspension and damping device and tricycle with the suspension, the torque-variable suspension include：Swing arm, the middle part of swing arm are connected with external equipment, and tie point is O point；Damper, one end of the damper and one end of the swing arm are rotatedly connected, tie point B；Support arm, one end of the support arm and the other end of the damper are rotatedly connected, and the other end of the support arm and the other end of the swing arm are rotatedly connected, tie point A；Line is not overlapped with the O point with the line between A point between the O point and B point.The O point of swing arm of the invention can be connected with external equipment, it is not overlapped by line between setting O point and B point with the O point with the line between A point, the uniform buffering of arm of force variation for the active force that the endurance of external equipment to be buffered can be made to bear by O point and A point, good damping effect.
Description
Technical field
The present invention relates to cushion technique fields, and in particular to a kind of torque-variable suspension and damping device with the suspension and
Tricycle.
Background technique
Currently, the tricycle market demand is very big, according to Market Feedback, that there are damping effects is poor for existing tricycle car body,
Many problems such as service life is short.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of torque-variable suspension and have
The damping device and tricycle of the suspension.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of torque-variable suspension, including：
Swing arm, the middle part of swing arm are connected with external equipment, and tie point is O point；
Damper, one end of the damper and one end of the swing arm are rotatedly connected, and tie point is B point；
Support arm, one end of the support arm and the other end of the damper are rotatedly connected, the other end of the support arm and institute
The other end for stating swing arm is rotatedly connected, and tie point is A point；
Line is not overlapped with the O point with the line between A point between the O point and B point.
The beneficial effects of the invention are as follows：The O point of swing arm of the invention can be connected with external equipment, pass through setting O point and B point
Between line be not overlapped with the O point with the line between A point, the endurance of external equipment to be buffered can be made to pass through O point and A
The arm of force variation for the active force that point is born uniformly buffers, good damping effect.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the swing arm includes the first linkage section and the second linkage section of integrally connected, and first linkage section is in
Arc, one end of second linkage section are connected with one end of first linkage section；The other end of the support arm and described the
The end of one linkage section is rotatedly connected, and one end of the damper and the end of second linkage section are rotatedly connected.
Beneficial effect using above-mentioned further scheme is：By that the first linkage section will be arranged to arcuate structure, make
The stress buffer time of one linkage section is longer, and the pressure that can be buffered is bigger.
Further, first linkage section convex surface of arc is located remotely from the side protrusion of the support arm.
Further, the damper includes hydraulic cylinder, piston rod and spring, and the piston rod is plugged in the hydraulic cylinder
And it can move reciprocatingly in the hydraulic cylinder；
The end of the hydraulic cylinder and one end of the swing arm are rotatedly connected, the end of the piston rod and the support arm
The other end is rotatedly connected；The hydraulic cylinder outer wall is equipped with spring base, is fixed with spring cup, the bullet on the piston rod outer wall
The both ends of spring are connected to respectively on the spring base and the spring cup.
Further, the support arm includes the successively first support arm of integrally connected, second support arm and third support arm, and described first
Support arm is parallel to each other with the third support arm, and the end of the first support arm and the other end of the damper are rotatedly connected, institute
The end of the end and first linkage section of stating third support arm is rotatedly connected；The folder of the second support arm and the first support arm
Angle is 90 ° -160 °.
Further, the angle of the second support arm and the first support arm is 120 °.
A kind of damping device, setting is on vibration object；Including above-mentioned torque-variable suspension, the middle part of the swing arm and institute
The force side for stating vibration object is rotatedly connected；The end of the first support arm and the force side of vibration object are fixedly linked.
A kind of tricycle, including car body further include above-mentioned damping device, and the shaking device is arranged in the car body
On, the middle part of the swing arm is connected with the hub rotation of car body, and end and the three-wheel handlebar of the first support arm are fixedly linked.
Further, further include：
Two torque-variable suspensions, two torque-variable suspensions are arranged parallel in the wheel hub two sides of front-wheel；
One first connecting rod, the first connecting rod pass perpendicularly through the center of the wheel hub and are rotatedly connected therewith, and described
The both ends of one connecting rod are fixedly linked in the middle part of two swing arms respectively；
One second connecting rod, the second connecting rod is located at the top of the wheel hub and parallel with the first connecting rod, described
End of the both ends of second connecting rod respectively with the first support arm of two torque-variable suspensions is fixedly linked；
Handle connecting rod is fixedly linked in the middle part of one end of the handle connecting rod and the second connecting rod, the other end and three
Handlebar is taken turns to be connected；The handle connecting rod is vertical with the second connecting rod.
Further, the first connecting rod and the tie point of the swing arm are O point；In tricycle operational process, O point institute
The ratio between arm of force of active force suffered by the arm of force and the B point by active force is 0.9-1.4.
Beneficial effect using above-mentioned further scheme is：By will be suffered by the arm of force of active force suffered by O point and the B point
The ratio between arm of force of active force is 0.9-1.4, makes the damped coefficient of damper between 0.2-0.38, can be good at reaching three-wheel
The shock attenuation needs of vehicle.
Detailed description of the invention
Fig. 1 is the usage state diagram one of the torque-variable suspension of the present embodiment；
Fig. 2 is the usage state diagram two of the torque-variable suspension of the present embodiment；
Fig. 3 is the torque-variable suspension of the present embodiment and the connection status diagram one of wheel hub；
Fig. 4 is the torque-variable suspension of the present embodiment and the connection status diagram two of wheel hub；
Fig. 5 is relational graph of the swing arm between A point rotational angle and lever ratio；
Fig. 6 is relational graph of the swing arm around A point rotational angle and damper deflection.
In attached drawing, parts list represented by the reference numerals are as follows：
1, swing arm；11, the first linkage section；12, second connecting rod section；2, damper；21, hydraulic cylinder；211, spring base；22,
Spring；23, piston rod；231, spring cup；3, support arm；31, first support arm；32, second support arm；33, third support arm；4, car body；
41, first connecting rod；42, second connecting rod；43, handle connecting rod；44, wheel hub.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1
A kind of torque-variable suspension of the present embodiment, as Figure 1-Figure 4, including：
Swing arm 1, swing arm 1 include sequentially connected first linkage section 11 of one and the second linkage section 12, the first linkage section 11
Tie point with the second linkage section 12 is O point.First linkage section 11 is arc-shaped, and the second linkage section 12 is located at the first connection of arc
The side of 11 evaginations of section；Second linkage section 12 is elongated.
Damper 2, one end of damper 2 and one end of the second linkage section 12 are rotatedly connected；First linkage section 11 of arc
Convex surface is located remotely from the side of support arm 3；Damper 2 includes hydraulic cylinder 21, piston rod 23 and spring 22, and piston rod 23 is plugged on liquid
It can move reciprocatingly in cylinder pressure 21 and in hydraulic cylinder 21；The end of hydraulic cylinder 21 and one end of swing arm 1 are rotatedly connected, piston rod
23 end and the other end of support arm 3 are rotatedly connected；21 outer wall of hydraulic cylinder is equipped with spring base 211, consolidates on 23 outer wall of piston rod
Surely there is spring cup 231, the both ends of spring 22 are connected to respectively on spring base 211 and spring cup 231.
Support arm 3, one end of support arm 3 and the other end of damper 2 are rotatedly connected, the other end of support arm 3 and the first linkage section
11 one end is rotatedly connected.Support arm 3 includes the successively first support arm 31 of integrally connected, second support arm 32 and third support arm 33, the
One support arm 31 is parallel to each other with third support arm 33, and the end of first support arm 31 and the other end of damper 2 are rotatedly connected, third branch
The end of arm 33 and the end of the first linkage section 11 are rotatedly connected；The angle of second support arm 32 and first support arm 31 is 90 °-
160°.The angle of second support arm 32 and first support arm 31 is 120 °.
The swing arm 1 of the present embodiment, if the end of the first linkage section 11 is A point, the end of the second linkage section 12 is B point, when
When the line of OB is in vertical, when swing arm 1 is rotated around A point, the distance of the vertical line where A point distance O point and A point distance B point institute
The ratio of distance of vertical line rule variation is presented, the stress of A point, B point and O point is subjected to reasonable cloth using the variation
Office.The middle part of swing arm can be connected with device to be buffered, be laid out by above-mentioned stress, the endurance of device to be buffered can be made to pass through
Swing arm and damper uniformly buffer.Fig. 1 be torque-variable suspension original state, Fig. 2 be torque-variable suspension in use by
The state of compression, in use, A point is fulcrum to torque-variable suspension, and O point and B point are rotated around A point.
Embodiment 2
A kind of damping device of the present embodiment, setting is on vibration object；As shown in Figure 3 and Figure 4, including embodiment 1
Torque-variable suspension, the middle part of swing arm 1 and the force side of the vibration object are rotatedly connected；The end of the first support arm 31 and shake
The force side of animal body is fixedly linked.
Embodiment 3
A kind of tricycle, the damping device including at least one embodiment 2.The present embodiment preferably uses two damping devices
The damping device of tricycle is constituted, two torque-variable suspensions are arranged parallel in 44 two sides of wheel hub of car body 4；Such as Fig. 3 and Fig. 4
Shown, the tricycle of the present embodiment further includes：
One first connecting rod 41, first connecting rod 41 pass perpendicularly through the center of wheel hub 44 and are rotatedly connected therewith, first connecting rod
41 both ends are fixedly linked in the middle part of two torque-variable suspensions respectively, the tie point and O of first connecting rod 41 and torque-variable suspension
Point is overlapped；
One second connecting rod 42, second connecting rod 42 are located at the top of wheel hub 44 and, second connecting rod parallel with first connecting rod 41
End of 42 both ends respectively with the first support arm 31 of two torque-variable suspensions is fixedly linked；
Handle connecting rod 43, one end of handle connecting rod 43 and the middle part of second connecting rod 42 are fixedly linked, the other end and three-wheel
Direction device on handlebar is connected, and handle connecting rod 43 is equivalent to the axis of orientation on conventional tricycle；Handle connecting rod 43 and second connects
Bar 42 is vertical.
The middle part of the present embodiment swing arm 1 is connected with the center rotating of wheel hub 44, and tie point is overlapped with O point；First support arm
31 end is fixedly linked with car body 4.
First linkage section 11 of the present embodiment and the tie point of first support arm 31 are A point, the second linkage section 12 and damper 2
Tie point be B point, the tie point of damper 2 and support arm 3 is C point.
Support arm 3 is played a supporting role, and swing arm 1 and support arm 3 are rotatablely connected by bearing；Swing arm 1 and damper 2 pass through hinge
Connection；Damper 2 is connected by a hinge with support arm 3.In car body moving process, the vibration of car body 4 can push wheel hub 44, work as wheel hub
44 load increase or when by big impacts, and swing arm 1 can be rotated up around A point, and damper 2 carries out between b and c simultaneously
Rotation, damper 2 are compressed.
In entire rotation process, if A point is fulcrum, the active force that the tie point O point of swing arm 1 and wheel hub 44 is subject to is
F1, the active force that the tie point B point of swing arm 1 and damper 2 is subject to is F2, F1The arm of force be L1, F2The arm of force be L2, then swing arm 1
It is rotated around A point, it is assumed that L1With L2Ratio be lever ratio m, increase with the rotation of swing arm 1；The rotational angle and L of swing arm 11With
L2Ratio it is as shown in Figure 5；As shown in figure 5, rotating around A point with swing arm 1, with the increase of rotational angle, L1With L2Ratio
Value is gradually increased.The present embodiment can adjust L by adjusting the length of the first linkage section 11 and the second linkage section 12 in swing arm 11
With L2Ratio.The L of the present embodiment1And L2Ratio between 0.9-1.4, no matter at this point, when car body is fully loaded and unloaded, car body
Vibration frequency it is consistent, so that the damping effect of car body is reached best.
Whether tricycle is comfortable very big with the damped coefficient correlation of the damper of tricycle.The present embodiment tricycle,
In use process, when car body 4 is unloaded, when the movement velocity of damper rod is 0.52m/s, the weight of tricycle front-wheel receiving
Measure PIt is empty=110kg, when unloaded, the rigidity of spring is K=15kg/cm, when unloaded, as shown in Figure 5 and Figure 6, spring downward 60mm,
The rotational angle of swing arm 1 is 25 ° or so, and the deflection (decrement) of damper 2 is 60mm, lever ratio m=1.2；Damper 2
Damping force 25kg, the recuperability of damper 2 are 50kg；At this point, the vibration frequency of unloaded car body 4 is 1.99Hz；The resistance of damper 2
Buddhist nun's coefficient is 0.28.
Full load, as shown in Figure 5 and Figure 6, the weight P that tricycle front-wheel is born expire=210kg, the rotational angle of swing arm 1
It is 37 ° or so, the deflection (decrement) of damper 2 is 95mm, and lever ratio m is 1.3, and the vibration frequency of car body is 1.97, this
When, the vibration frequency of car body is almost consistent with the vibration frequency of car body when zero load, so that the damping effect of car body reaches most ideal
State, at this point, the damped coefficient of damper is 0.2.
The standard damping factor range of damper is 0.2-0.38, therefore, the lever ratio of the torque-variable suspension of the present embodiment
Obtained damped coefficient can be good at the need of work for meeting damper.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of torque-variable suspension, which is characterized in that including：
Swing arm（1）, the swing arm（1）Middle part is connected with external equipment, and tie point is O point；
Damper（2）, the damper（2）One end and the swing arm（1）One end be rotatedly connected, tie point be B point;
Support arm（3）, the support arm（3）One end and the damper（2）The other end be rotatedly connected, the support arm（3）It is another
One end and the swing arm（1）The other end be rotatedly connected, tie point be A point；
Line is not overlapped with the O point with the line between A point between the O point and B point；
The swing arm（1）The first linkage section including integrally connected（11）With the second linkage section（12）, first linkage section
（11）It is arc-shaped, second linkage section（12）One end and first linkage section（11）One end be connected;The support arm（3）
The other end and first linkage section（11）End be rotatedly connected, the damper（2）One end connect with described second
Section（12）End be rotatedly connected；
First linkage section of arc（11）Convex surface is located remotely from the support arm（3）Side；
The support arm includes the successively first support arm of integrally connected, second support arm and third support arm, the first support arm with it is described
Third support arm is parallel to each other, and the end of the first support arm and the other end of the damper are rotatedly connected, the third support arm
End and the end of first linkage section be rotatedly connected；The angle of the second support arm and the first support arm is 90 °-
160°；
The tie point of first linkage section and third support arm is A point, and the tie point of the second linkage section and damper is B point, damper
Tie point with support arm is C point；The active force that the tie point O point of swing arm and wheel hub is subject to is F1, the connection of swing arm and damper
The active force that point B point is subject to is F2, F1The arm of force be L1, F2The arm of force be L2, then swing arm is rotated around A point, it is assumed that L1With L2Ratio
Value is lever ratio m, with rotating around A point for swing arm, with the increase of rotational angle, L1With L2Ratio be gradually increased.
2. a kind of torque-variable suspension according to claim 1, which is characterized in that the damper（2）Including hydraulic cylinder（21）,
Piston rod（23）And spring（22）, the piston rod（23）It is plugged on the hydraulic cylinder（21）It is interior and can be in the hydraulic cylinder（21）
Inside move reciprocatingly；
The hydraulic cylinder（21）End and the swing arm（1）One end be rotatedly connected, the piston rod（23）End and institute
State support arm（3）One end be rotatedly connected；The hydraulic cylinder（21）Outer wall is equipped with spring base（211）, the piston rod（23）Outside
Spring cup is fixed on wall（231）, the spring（22）Both ends be connected to the spring base respectively（211）With the spring cup
（231）On.
3. a kind of torque-variable suspension according to claim 1, which is characterized in that the second support arm（32）With described first
Arm（31）Angle be 120 °.
4. a kind of damping device, setting is on vibration object；It is characterised in that it includes as described in any one of claims 1-3
Torque-variable suspension, the swing arm（1）Middle part and it is described vibration object force side be rotatedly connected；The first support arm（31）'s
End and the force side of vibration object are fixedly linked.
5. a kind of tricycle, including car body（4）, which is characterized in that it further include at least one damping dress as claimed in claim 4
It sets, the damping device is arranged in the car body（4）On, the swing arm（1）Middle part and car body（4）Wheel hub（44）Rotate phase
Even, the first support arm（31）End be fixedly linked with three-wheel handlebar.
6. a kind of tricycle according to claim 5, which is characterized in that further include：
Two torque-variable suspensions, two torque-variable suspensions are arranged parallel in car body（4）The wheel hub of front-wheel（44）Two sides；
One first connecting rod（41）, the first connecting rod（41）Pass perpendicularly through the wheel hub（44）Center and rotate phase therewith
Even, the first connecting rod（41）Both ends respectively with two swing arms（1）Middle part be fixedly linked；
One second connecting rod（42）, the second connecting rod（42）Positioned at the wheel hub（44）Top and with the first connecting rod
（41）In parallel, the second connecting rod（42）The both ends first support arm with two torque-variable suspensions respectively（31）End it is solid
It is fixed to be connected；
Handle connecting rod（43）, the handle connecting rod（43）One end and the second connecting rod（42）Middle part be fixedly linked, it is another
One end is connected with three-wheel handlebar；The handle connecting rod（43）With the second connecting rod（42）Vertically.
7. a kind of tricycle according to claim 6, which is characterized in that the first connecting rod（41）With the swing arm（1）'s
Tie point is O point；In tricycle operational process, the arm of force of active force suffered by the arm of force of active force suffered by the O point and the B point
The ratio between be 0.9-1.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055409.2A CN105620637B (en) | 2016-01-27 | 2016-01-27 | A kind of torque-variable suspension and damping device and tricycle with the suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055409.2A CN105620637B (en) | 2016-01-27 | 2016-01-27 | A kind of torque-variable suspension and damping device and tricycle with the suspension |
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| Publication Number | Publication Date |
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| CN105620637A CN105620637A (en) | 2016-06-01 |
| CN105620637B true CN105620637B (en) | 2018-11-23 |
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| CN201610055409.2A Active CN105620637B (en) | 2016-01-27 | 2016-01-27 | A kind of torque-variable suspension and damping device and tricycle with the suspension |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454222B (en) * | 2016-08-31 | 2019-07-09 | 中林信达（北京）科技信息有限责任公司 | A kind of mechanism that the gravitational moment generated to vertical rotatable parts is compensated |
| CN106627946A (en) * | 2016-12-30 | 2017-05-10 | 徐中芝 | Balanced type suspension frame and motor vehicle |
| EP3713823B1 (en) * | 2017-11-24 | 2021-09-08 | Piaggio & C. S.P.A. | Lateral front mono-suspension for a motorcycle |
| IT201800021073A1 (en) * | 2018-12-27 | 2020-06-27 | Piaggio & C Spa | FRONT MOTORCYCLE SUSPENSION WITH SWING ARM |
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| CN203047477U (en) * | 2013-01-14 | 2013-07-10 | 袁和凯 | Front damping device of motor tricycle or electric tricycle |
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| CN201283985Y (en) * | 2008-08-13 | 2009-08-05 | 韩群山 | Front shock-absorbing device of motor tricycle |
| CN202807010U (en) * | 2012-09-04 | 2013-03-20 | 江苏金彭车业有限公司 | Damping rocker-arm front fork for electric tricycle |
| CN203142932U (en) * | 2013-01-31 | 2013-08-21 | 浙江钱江摩托股份有限公司 | Front damping device of motor tricycle |
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| CN105620637A (en) | 2016-06-01 |
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