CN101386327A - Tricycle front-mounting apparatus - Google Patents
Tricycle front-mounting apparatus Download PDFInfo
- Publication number
- CN101386327A CN101386327A CNA2007101130074A CN200710113007A CN101386327A CN 101386327 A CN101386327 A CN 101386327A CN A2007101130074 A CNA2007101130074 A CN A2007101130074A CN 200710113007 A CN200710113007 A CN 200710113007A CN 101386327 A CN101386327 A CN 101386327A
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- swing arm
- fork
- front fork
- front suspension
- shock absorber
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Abstract
The present invention relates to a motor tricycle front suspension device which comprises a front fork and a shock absorber. The front fork is connected with a front suspension fork assembly in a rigid way. The front suspension fork assembly consists of a front suspension fork which is connected with the front fork in a rigid way, a rotating shaft which is connected with the front suspension fork in a rigid way and a top axle which is arranged at the bottom of the front suspension fork and is connected with the front suspension fork in a rigid way. The rotating shaft is connected and positioned with a frame by a bearing. The lower part of the front fork is articulated with a swing arm to form a swing front fork. The rear end of the swing arm is assembled at a wheel hub of a front wheel by an axle. The shock absorber is arranged between the front fork and the axle, the upper end of the shock absorber is articulated with the top axle at the bottom of the front suspension fork, and the lower end is articulated with the swing arm. The motor tricycle front suspension device is characterized in that: the rear end of the swing arm assembled at the axle is provided with an extended swing arm, and a subsidiary shock absorber is articulated between the extended swing arm and the top axle at the bottom of the front suspension fork. The front fork at two sides of the front wheel and the swing arm are connected and fixed by a balance frame. The motor tricycle front suspension device has reasonable and compact structure, fast installation and strong resistance against bending and impacting and high traveling safety and stability.
Description
Technical field
The present invention relates to a kind of axle suspension device that having of front-wheel is hinged on the swing arm on each wheel fork leg that is used for, especially a kind of tricycle front-mounting apparatus that is used between motor tricycle vehicle carriage and the front axle.
Background technology
As everyone knows, the motor bike front-end equipment is to be assemblied between the vehicle frame and front wheel spindle of motor bike, is used to slow down the impact of front-wheel to vehicle frame, and driving ensures safety.At present, the three-wheel vehicle front-end equipment generally comprises front suspension and shock absorber, generally adopts the preceding mounting dampers of fork, and this structure front suspension is stressed big, and fragile, effectiveness in vibration suppression is poor, and bending resistance and impact strength are low, influence traveling security; In order to solve the deficiency that the preceding mounting dampers of fork brings, a kind of " motor-tricycle front overhang device " disclosed in the Chinese utility model patent specification sheets of the CN2652804Y that on November 3rd, 2004 was announced, this front overhang device comprises front fork and shock absorber, front fork is connected with the front suspension rigidity, and by the bearing location that connects to ground, the front fork bottom is hinged with rocker arm support, be reel cage formula front fork; the rocker arm support rear end is assemblied on the wheel hub by wheel shaft; shock absorber is positioned at the front fork rear portion; its upper end is hinged with front suspension, and lower end and rocker arm support are hinged.The stressed equal perseverance of this structure front suspension, effectiveness in vibration suppression is good, and the energy actv. is eliminated the impulsive force from front-wheel, and bending resistance and impact strength height have increased travel safety, stationarity greatly.But still existing vehicle in the process of moving, shock absorber can't satisfy vehicle different requirements to vibration damping when different road conditions and heavy duty or underloading.Also exist in addition can't to overcome when departing from the vehicle axis because of vehicle's center of gravity, the shock absorber motion of wheel both sides is asynchronous, the deficiency that causes wheel to swing.
Summary of the invention
In order to overcome that shock absorber in the prior art can't satisfy that vehicle requires the difference of vibration damping when different road conditions and heavy duty or the underloading and can't overcome vehicle's center of gravity and depart from the vehicle axis time, the shock absorber motion of wheel both sides is asynchronous, the deficiency that causes wheel to swing, the invention provides a kind of tricycle front-mounting apparatus, this front-end equipment is not only rational in infrastructure, compact, quick for installation, and traffic safety, steadily, when shock absorber can satisfy different road conditions and heavy duty or underloading to the different requirements of vibration damping.
The technical scheme that technical solution problem of the present invention is adopted is: a kind of tricycle front-mounting apparatus, comprise front fork and shock absorber, front fork is connected with front suspension assembly rigidity, this front suspension assembly by one with the rigidly connected front suspension of front fork, with the rigidly connected turning cylinder of front suspension, be positioned at bottom the front suspension and and form with the rigidly connected top of front suspension bridge, turning cylinder connects the location by bearing with vehicle frame, the front fork bottom is hinged with swing arm, and formation oscillating type front fork, the swing arm rear end is assemblied on the wheel hub of front-wheel by wheel shaft, described shock absorber is between front fork and wheel shaft, its upper end is hinged with the top bridge of front suspension bottom, lower end and swing arm are hinged, it is characterized in that: a swing extension arm is set on the swing arm rear end of described assembling wheel shaft, between the top bridge of this swing extension arm and front suspension bottom, is hinged with secondary bumper.
Described front fork, and front fork pivotally attached swing arm, be hinged on suspension bottom top bridge and the shock absorber between the swing arm, be hinged on the suspension bottom top bridge and swing extension arm between the symmetrical respectively both sides that are arranged on front-wheel of secondary shock absorber, the front fork and the swing arm of these both sides are connected and fixed by equalizer bar.
The described equalizer bar that front fork and swing arm are connected, the point of attachment of itself and front fork and swing arm is respectively the hinge-point of front fork and swing arm, shock absorber and swing arm.
The described secondary bumper that is hinged between swing extension arm and top, the front suspension bottom bridge, comprise top bridge pivotally attached fixed mount with the front suspension bottom, with swing extension arm pivotally attached crotch and damping spring, described damping spring is assemblied in the spring housing, one end of this spring housing is captiveed joint with fixed mount through loam cake, connect a pushing rod sleeve at spring housing other end cover internal fixation, the orienting sleeve of one end through the pushing rod sleeve end of the push rod of captiveing joint with crotch stretches in the pushing rod sleeve, and fix a push pedal in this end, push pedal is assembled a positioning rod on the end, this push pedal can be driven and be moved back and forth by push rod in pushing rod sleeve, between described damping spring and pushing rod sleeve, be equipped with positioning seat and seat board successively, positioning seat and seat board correspondence respectively have knock hole, seat board and positioning seat in spring housing by the effect of push pedal and damping spring can be reciprocal move.
The present invention is hinged with secondary bumper between the top bridge of the swing extension arm of swing arm and front suspension bottom, in the normal vehicle operation process, secondary shock absorber does not play damping of vibrations; When the vehicle overload was travelled, secondary shock absorber was realized vibration damping and is carried out spacing to front-wheel vehicle.The front fork and the swing arm of front-wheel both sides are linked together with equalizer bar, and when vehicle's center of gravity departed from the vehicle axis, the synchronism by trammel beam assurance left and right sides vibration damping further improved the stability of vehicle operating.
The invention has the beneficial effects as follows that rational in infrastructure, compact, quick for installation, bending resistance and shock-resistant ability are strong, travel safety and stationarity height.
Description of drawings
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the cutaway view of secondary shock absorber of the present invention.
1. vehicle frames among the figure, 2. transhipment axle, 3. steering pressure bearing, 4. front suspension, 5. front fork, 6. top bridge, 7. shock absorber, 8. swing arm, 9. equalizer bar, 10. swing extension arm, 11. wheel shaft, 12. wheel hubs, 13. front-wheels, 14. secondary shock absorbers, 15. fixed mounts, 16. loam cake, 17. spring housings, 18. damping springs, 19. positioning seats, 20. seat boards, 21. pushing rod sleeve, 22. radius stays, 23. push pedals, 24. push rods, 25. crotch, 26. orienting sleeves, 27. knock holees, 28. knock holees.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen, a kind of tricycle front-mounting apparatus of the present invention, it comprises front fork (5) and shock absorber (7), front fork (5) is connected with front suspension assembly rigidity, this front suspension assembly by a front suspension (4), with the rigidly connected turning cylinder of front suspension (4) (2), be positioned at front suspension (4) bottom and form with front suspension (4) rigidly connected top bridge (6), turning cylinder (2) connects the location by steering pressure bearing (3) with vehicle frame (1), whole front-end equipment can rotate around vehicle frame (1), regulates travel direction.
Among Fig. 1, front fork (5) bottom is hinged with swing arm (8), and form an oscillating type front fork, swing arm (8) rear end is assemblied on the wheel hub (12) of front-wheel (13) by wheel shaft (11), shock absorber (7) is positioned between front fork (5) and the wheel shaft (11), its upper end is hinged with the top bridge (6) of front suspension bottom, and lower end and swing arm (8) are hinged.In the vehicle ' process, front wheel spindle can be swung in the scope of front fork body line of centers 150mm, the shock absorber (7) that is installed in front fork (5) rear portion like this can effectively be eliminated the impulsive force from front-wheel, has increased vehicle bending resistance and impact strength ability, has improved traveling security.Behind the Vehicular turn, preceding wheel body has the tendency of self-return, and vehicle is easily handled.
As shown in Figure 1, characteristics of the present invention are: the rear end of swing arm (8) assembling wheel shaft (11) is provided with a swing extension arm (10), is hinged with secondary bumper (14) between the top bridge (6) of this swing extension arm (10) and front suspension bottom.
The structure of secondary bumper (14), as shown in Figure 3, comprise top bridge pivotally attached fixed mount (15) with the front suspension bottom, with swing extension arm pivotally attached crotch (25) and damping spring (18), damping spring (18) is assemblied in the spring housing (17), one end of spring housing (17) is captiveed joint with fixed mount (15) through loam cake (16), connect a pushing rod sleeve (21) at spring housing (17) other end cover internal fixation, the orienting sleeve (26) that one end of the push rod (24) of captiveing joint with crotch (25) passes pushing rod sleeve (21) end stretches in the pushing rod sleeve, and fix a push pedal (23) in this end, push pedal (23) is assembled a positioning rod (22) on the end, push pedal (23) can be driven and be moved back and forth by push rod (24) in pushing rod sleeve, between damping spring (18) and pushing rod sleeve (21), be equipped with positioning seat (19) and seat board (20) successively, positioning seat (19) and seat board (20) correspondence respectively have knock hole (27), (28), seat board (19) and positioning seat (20) in spring housing (17) by can be reciprocal under the effect of push pedal (23) and damping spring (18) move.
Among Fig. 1, secondary shock absorber (14) is mounted in the back of shock absorber (7).
In the normal vehicle operation process, as shown in Figure 3, drive push pedal (23) in pushing rod sleeve (21) through push rod (24) with swing extension arm pivotally attached crotch (25), move back and forth along with the swing of front wheel spindle, this moment, secondary shock absorber did not play damping of vibrations.
When the vehicle overload is travelled, the amplitude of fluctuation of front wheel spindle increases, move in push rod (24) drive push pedal (23) with swing extension arm pivotally attached crotch (25), radius stay (22) is positioned in the knock hole (27), (28) of positioning seat (19) and seat board (20), push pedal (23) promotes seat board (20) compression shock absorption in spring housing, eliminates vibrations.At this moment, secondary shock absorber has played damping of vibrations to vehicle, and spacing to front-wheel, improves the traveling comfort of vehicle.
In Fig. 1, Fig. 2, front fork (5), and front fork (5) pivotally attached swing arm (8), be hinged on suspension bottom top bridge (6) and the shock absorber (7) between the swing arm (8), be hinged on the top bridge (6) and the symmetrical respectively both sides that are arranged on front-wheel (13) of secondary shock absorber (14) of swinging between the extension arm (10) of suspension bottom, front fork of both sides (5) and swing arm (8) are connected and fixed by equalizer bar (9).Point of attachment between equalizer bar (9) and front fork (5) and the swing arm is respectively the hinge-point of front fork (5) and swing arm (8), shock absorber (7) and swing arm (8).
With trammel beam (9) front fork (5) and swing arm (8) connection are connected together, when vehicle's center of gravity departs from the vehicle axis, guarantee that by trammel beam (9) the left and right vehicle wheel vibration damping reaches synchronism, improves the stability of vehicle '.
Claims (4)
1, a kind of tricycle front-mounting apparatus, comprise front fork and shock absorber, front fork is connected with front suspension assembly rigidity, this front suspension assembly by one with the rigidly connected front suspension of front fork, with the rigidly connected turning cylinder of front suspension, be positioned at bottom the front suspension and and form with the rigidly connected top of front suspension bridge, turning cylinder connects the location by bearing with vehicle frame, the front fork bottom is hinged with swing arm, and formation oscillating type front fork, the swing arm rear end is assemblied on the wheel hub of front-wheel by wheel shaft, described shock absorber is between front fork and wheel shaft, its upper end is hinged with the top bridge of front suspension bottom, lower end and swing arm are hinged, it is characterized in that: a swing extension arm is set on the swing arm rear end of described assembling wheel shaft, between the top bridge of this swing extension arm and front suspension bottom, is hinged with secondary bumper.
2, a kind of tricycle front-mounting apparatus according to claim 1, it is characterized in that: described front fork, and front fork pivotally attached swing arm, be hinged on suspension bottom top bridge and the shock absorber between the swing arm, be hinged on the suspension bottom top bridge and swing extension arm between the symmetrical respectively both sides that are arranged on front-wheel of secondary shock absorber, the front fork and the swing arm of these both sides are connected and fixed by equalizer bar.
3, a kind of tricycle front-mounting apparatus according to claim 2, it is characterized in that: the described equalizer bar that front fork and swing arm are connected, the point of attachment of itself and front fork and swing arm is respectively the hinge-point of front fork and swing arm, shock absorber and swing arm.
4, a kind of tricycle front-mounting apparatus according to claim 1 and 2, it is characterized in that: the described secondary bumper that is hinged between swing extension arm and top, the front suspension bottom bridge, comprise top bridge pivotally attached fixed mount with the front suspension bottom, with swing extension arm pivotally attached crotch and damping spring, described damping spring is assemblied in the spring housing, one end of this spring housing is captiveed joint with fixed mount through loam cake, connect a pushing rod sleeve at spring housing other end cover internal fixation, the orienting sleeve of one end through the pushing rod sleeve end of the push rod of captiveing joint with crotch stretches in the pushing rod sleeve, and fix a push pedal in this end, push pedal is assembled a positioning rod on the end, this push pedal can be driven and be moved back and forth by push rod in pushing rod sleeve, between described damping spring and pushing rod sleeve, be equipped with positioning seat and seat board successively, positioning seat and seat board correspondence respectively have knock hole, seat board and positioning seat in spring housing by the effect of push pedal and damping spring can be reciprocal move.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007101130074A CN101386327A (en) | 2007-09-15 | 2007-09-15 | Tricycle front-mounting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2007101130074A CN101386327A (en) | 2007-09-15 | 2007-09-15 | Tricycle front-mounting apparatus |
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CN101386327A true CN101386327A (en) | 2009-03-18 |
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CNA2007101130074A Pending CN101386327A (en) | 2007-09-15 | 2007-09-15 | Tricycle front-mounting apparatus |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582756A (en) * | 2012-02-15 | 2012-07-18 | 常州市阳光减震器有限公司 | Front shock-absorbing device of tricycle |
CN102963476A (en) * | 2012-12-19 | 2013-03-13 | 黄跃科 | Shock-resistant front fork of tricycle |
CN103010381A (en) * | 2012-11-30 | 2013-04-03 | 江苏明星减震器有限公司 | Connecting structure of main shock absorber and auxiliary shock absorber of front shock absorber |
CN104691261A (en) * | 2015-03-17 | 2015-06-10 | 广东路美仕环保设备科技有限公司 | Wheel shock absorption device for sweeping vehicle |
CN106741521A (en) * | 2017-01-04 | 2017-05-31 | 南京快轮智能科技有限公司 | A kind of preceding shock mitigation system for being applied to scooter |
CN112020446A (en) * | 2018-04-27 | 2020-12-01 | 比亚乔公司 | Motorcycle front suspension |
CN116198645A (en) * | 2023-05-06 | 2023-06-02 | 北京阿帕科蓝科技有限公司 | Damping system for two-wheeled vehicle, front suspension and two-wheeled vehicle |
CN112020446B (en) * | 2018-04-27 | 2024-07-26 | 比亚乔公司 | Motorcycle front suspension |
-
2007
- 2007-09-15 CN CNA2007101130074A patent/CN101386327A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102582756A (en) * | 2012-02-15 | 2012-07-18 | 常州市阳光减震器有限公司 | Front shock-absorbing device of tricycle |
CN103010381A (en) * | 2012-11-30 | 2013-04-03 | 江苏明星减震器有限公司 | Connecting structure of main shock absorber and auxiliary shock absorber of front shock absorber |
CN103010381B (en) * | 2012-11-30 | 2015-08-19 | 江苏明星减震器有限公司 | A kind of main bumper of front shock absorber and secondary shock absorber connection structure |
CN102963476A (en) * | 2012-12-19 | 2013-03-13 | 黄跃科 | Shock-resistant front fork of tricycle |
CN104691261A (en) * | 2015-03-17 | 2015-06-10 | 广东路美仕环保设备科技有限公司 | Wheel shock absorption device for sweeping vehicle |
CN106741521A (en) * | 2017-01-04 | 2017-05-31 | 南京快轮智能科技有限公司 | A kind of preceding shock mitigation system for being applied to scooter |
CN112020446A (en) * | 2018-04-27 | 2020-12-01 | 比亚乔公司 | Motorcycle front suspension |
CN112020446B (en) * | 2018-04-27 | 2024-07-26 | 比亚乔公司 | Motorcycle front suspension |
CN116198645A (en) * | 2023-05-06 | 2023-06-02 | 北京阿帕科蓝科技有限公司 | Damping system for two-wheeled vehicle, front suspension and two-wheeled vehicle |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090318 |