CN208714862U - A kind of front suspension structure of electric flatbed tricycle - Google Patents
A kind of front suspension structure of electric flatbed tricycle Download PDFInfo
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- CN208714862U CN208714862U CN201821025881.2U CN201821025881U CN208714862U CN 208714862 U CN208714862 U CN 208714862U CN 201821025881 U CN201821025881 U CN 201821025881U CN 208714862 U CN208714862 U CN 208714862U
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- flatbed tricycle
- electric flatbed
- hinged
- wheel
- suspension structure
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Abstract
The utility model discloses a kind of front suspension structures of electric flatbed tricycle, it is desirable to provide one kind can reduce the steering force that driver provides when turning in the case where no steering booster, realize the front suspension structure for turning to the electric flatbed tricycle of light purpose.It includes upper rocker arm, and inner end and the vehicle frame of upper rocker arm are hinged and connected, and the outer end of upper rocker arm and the knuckle of front-wheel are hinged and connected；Lower shake-changing arm, inner end and the vehicle frame of lower shake-changing arm are hinged and connected, and the outer end of lower shake-changing arm and the knuckle of front-wheel are hinged and connected；When the practical load-carrying of electric flatbed tricycle is less than or equal to payload ratings: the upper end of front-wheel is toward outer incline.
Description
Technical field
The utility model relates to electric flatbed tricycle fields, and in particular to a kind of front suspension structure of electric flatbed tricycle.
Background technique
Electric flatbed tricycle be to storage battery be power, motor be drive haul goods or the means of transport of holding.Electric power is made
For a kind of environmental protection, cleaning, the high important energy of conversion ratio is the update applied to drive the vehicles with electric power, promotees
Low-carbon into traffic transport industry develops, and reduces transportation cost, energy saving, protects environment, is the weight of countries in the world research
Want one of project.
It is typically provided with steering booster in the steering system of current automobile and electric flatbed tricycle, it is light to reach steering
Purpose.Although being arranged in for steering booster can achieve the purpose that steering is light, which raises the complexity of steering system
The cost of manufacture of property and automobile.
On the other hand, the use environment of electric flatbed tricycle is generally relatively more severe, needs in the environment downward driving such as crankcase ventilaton,
Often encounter frequently turn to and racing to the case where, this makes electric flatbed tricycle be easy to happen unbalance, side in steering procedure
The problem of turning over.
In order to solve this problem, applicants have found that in the suspension system of current automobile and electric flatbed tricycle due to
The elastic element generation vibration that is hit is installed in parallel damper with elastic element in suspension, is to improve vehicle running smoothness
Damping vibrations.The working principle of damper is the piston when shaking between vehicle frame and vehicle bridge and relative motion occur, in damper
It moves up and down, the oil liquid in snubber cavity just repeatedly flows into from chamber by different holes that another is intracavitary, makes automobile
Vibration energy is converted into oil liquid thermal energy, then is dispersed into atmosphere by absorber；And in order to achieve the purpose that rapid damping: subtracting
Device is shaken compression travel (vehicle bridge and vehicle frame are close to each other), and damping force of vibration damper is smaller, to give full play to the bullet of elastic element
Property effect, mitigate impact, at this moment, elastic element plays a major role；(vehicle bridge and vehicle frame are mutually remote in extension stroke for damper
From), damping force of vibration damper should be big, rapid damping.
The damping force that the extension stroke of the damper in suspension system generates at present is greater than the damping force of compression travel, although
It can achieve the purpose of rapid damping；But vehicle is during crankcase ventilaton environment downward driving, (especially anxious when Vehicular turn
When steering), since the compression travel damping of damper is small, the damper close to curve inner side will compress rapidly, in bend
The vehicle frame of side deflection down rapidly, the problem of causing electric flatbed tricycle to be easy to happen unbalance, rollover in steering procedure；And by
Damping big vehicle frame in the extension stroke of damper can not up ajust rapidly, turn to be further exacerbated by electric flatbed tricycle
Be easy to happen in journey it is unbalance, rollover the problem of.
Utility model content
First purpose of the utility model is to provide for a kind of front suspension structure of electric flatbed tricycle, can not have
In the case where steering booster, reduce the steering force that driver provides when turning to, realizes and turn to light purpose.
The another object of the utility model is to provide for that a kind of can to effectively improve vehicle steady in steering procedure
Property, be effectively improved electric flatbed tricycle easily occur in steering procedure it is unbalance, rollover the problem of electric flatbed tricycle front suspension knot
Structure.
The technical solution of the utility model is:
A kind of front suspension structure of electric flatbed tricycle, comprising: upper rocker arm, inner end and the vehicle frame of upper rocker arm are hinged and connected, on
The outer end of rocker arm and the knuckle of front-wheel are hinged and connected；Lower shake-changing arm, inner end and the vehicle frame of lower shake-changing arm are hinged and connected, outside lower shake-changing arm
It holds and is hinged and connected with the knuckle of front-wheel；When the practical load-carrying of electric flatbed tricycle is less than or equal to payload ratings: the upper end of front-wheel
Toward outer incline.
Due to when the practical load-carrying of electric flatbed tricycle is less than or equal to payload ratings: the upper end of front-wheel is toward outer incline, in this way
It can reduce the tire of front-wheel and the contact area on ground, to reduce the steering force that driver provides when turning to, convenient for side
Operation to disk；Thus the front suspension structure of the electric flatbed tricycle of this programme can subtract in the case where no steering booster
The steering force that small driver provides when turning to is realized and turns to light purpose.
Preferably, the upper end of front-wheel outward inclined tilt angle less than 8 degree.
Preferably, when the practical load-carrying of electric flatbed tricycle is equal to the half of payload ratings: the upper end of front-wheel is toward flare
Oblique tilt angle is 2.5-4.5 degree.
Preferably, when the practical load-carrying of electric flatbed tricycle is equal to payload ratings: the upper end of front-wheel is inclined outward to incline
Rake angle is 1-2.5 degree.
Preferably, further include: front damper, upper end and the vehicle frame of front damper are hinged and connected, the lower end of front damper
It is hinged and connected with upper rocker arm, the damping force of the compression travel of the front damper is greater than the damping force that extension stroke generates.
The damping force that the extension stroke that this programme changes the damper in current suspension system generates is greater than compression travel
Damping force, to achieve the purpose that rapid damping --- this usual technical solution, by the damping of the compression travel of front damper
Power is greater than the damping force that extension stroke generates (the two is just the opposite)；In this way, vehicle is during crankcase ventilaton environment downward driving,
When Vehicular turn (especially racing to when), since the compression travel damping of damper is larger, close to the damping of curve inner side
The compression travel of device becomes smaller, compression speed slows down, effectively reduce close to curve inner side vehicle frame rapidly down deflection speed and partially
Gradient, be effectively improved electric flatbed tricycle easily occur in steering procedure it is unbalance, rollover the problem of, effectively improve vehicle and turning to
Stationarity in journey；
Further, since the extension stroke damping of damper is smaller, vehicle frame can up ajust rapidly reset, thus into one
Step be effectively improved electric flatbed tricycle easily occur in steering procedure it is unbalance, rollover the problem of, improve vehicle in steering procedure
Stationarity.
Preferably, front damper includes working cylinder, the piston that working cylinder is divided into epicoele and cavity of resorption and setting in piston
On rebound valve and flowing valve, the valve opening circulation area of the flowing valve is less than the valve opening circulation area of rebound valve.
This programme is less than the valve opening circulation area of rebound valve, Lai Shihang front damper by the valve opening circulation area of flowing valve
Compression travel damping force be greater than extension stroke generate damping force.
Preferably, the rigidity of the circulation valve spring of flowing valve is greater than the rigidity of the extension valve spring of rebound valve, flowing valve
Circulation valve spring pretightning force be greater than rebound valve extension valve spring pretightning force.
This programme is greater than the rigidity and stream of the extension valve spring of rebound valve by the rigidity of the circulation valve spring of flowing valve
The pretightning force of the circulation valve spring of port valve is greater than the pretightning force of the extension valve spring of rebound valve, the compressed line of Lai Shihang front damper
The damping force of journey is greater than the damping force that extension stroke generates.
The beneficial effects of the utility model are:
First, the steering force that driver provides when turning to can be reduced in the case where no steering booster, realize
Turn to light purpose.
Second, stationarity of the vehicle in steering procedure can be effectively improved, it is effectively improved electric flatbed tricycle and was turning to
Easily occur in journey it is unbalance, rollover the problem of.
Detailed description of the invention
Fig. 1 is a kind of partial structural diagram of the front suspension structure of the electric flatbed tricycle of the utility model.
Fig. 2 is that a kind of part section structure of the front damper of the front suspension structure of the electric flatbed tricycle of the utility model is shown
It is intended to.
In figure:
Upper rocker arm 1；
Lower shake-changing arm 2；
Front damper 3, working cylinder 3.1, piston 3.2, flowing valve 3.3, circulate valve spring 3.31, rebound valve 3.4, rebound valve
Spring 3.41；
Front-wheel 4.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1, a kind of front suspension structure of electric flatbed tricycle, including upper rocker arm 1, lower shake-changing arm 2 and front damper 3.
The inner end of upper rocker arm is hinged and connected with vehicle frame, and the outer end of upper rocker arm and the knuckle of front-wheel 4 are hinged and connected.
The inner end of lower shake-changing arm is hinged and connected with vehicle frame, and the outer end of lower shake-changing arm and the knuckle of front-wheel are hinged and connected.Lower shake-changing arm
Length be greater than lower shake-changing arm length.
When the practical load-carrying of electric flatbed tricycle is less than or equal to payload ratings: the upper end of front-wheel is toward outer incline.
The upper end of front-wheel outward inclined inclination angle alpha less than 8 degree.
When the practical load-carrying of electric flatbed tricycle is equal to the half of payload ratings: the inclined inclination angle outward of the upper end of front-wheel
Spending α is 2 degree.
When the practical load-carrying of electric flatbed tricycle is equal to payload ratings: inclined inclination angle alpha is outward for the upper end of front-wheel
0.5 degree.
Wen Zhong: payload ratings: refer to it is specified when electric flatbed tricycle factory can be with deadweight tonnage (including cargo and people)；
Practical load-carrying: refer to the actual deadweight tonnage of electric flatbed tricycle (including cargo and people).
Due to when the practical load-carrying of electric flatbed tricycle is less than or equal to payload ratings: the upper end of front-wheel is toward outer incline, in this way
It can reduce the tire of front-wheel and the contact area on ground, to reduce the steering force that driver provides when turning to, convenient for side
Operation to disk；Thus the front suspension structure of the electric flatbed tricycle of this programme can subtract in the case where no steering booster
The steering force that small driver provides when turning to is realized and turns to light purpose.
As shown in Figure 1 and Figure 2, the preceding damping of the present embodiment is two-way function telescopic shock absorber.The upper end of front damper and vehicle
Frame is hinged and connected, and lower end and the upper rocker arm of front damper are hinged and connected.
Front damper includes working cylinder 3.1, working cylinder is divided into the piston 3.2 of epicoele and cavity of resorption and is arranged on piston
Rebound valve 3.4 and flowing valve 3.3.
The damping force of the compression travel of front damper is greater than the damping force that extension stroke generates.
The valve opening circulation area of flowing valve is less than the valve opening circulation area of rebound valve, so that the compression travel of front damper
Damping force is greater than the damping force that extension stroke generates.
The rigidity of the circulation valve spring 3.31 of flowing valve is greater than the rigidity of the extension valve spring 3.41 of rebound valve, flowing valve
The pretightning force of circulation valve spring is greater than the pretightning force of the extension valve spring of rebound valve；So that the damping of the compression travel of front damper
Power is greater than the damping force that extension stroke generates.
When damper is compressed, the epicoele volume of piston downlink, working cylinder increases, and the cavity of resorption volume of working cylinder reduces, stream
Port valve is opened, and the oil liquid of cavity of resorption enters epicoele by flowing valve, and flowing valve makes damper generate compression the throttling action of oil liquid
Damping action when movement.
When damper is stretched, the epicoele volume of piston stroking upward, working cylinder reduces, and the cavity of resorption volume of working cylinder increases, and stretches
It opens valve to open, the oil liquid of epicoele enters cavity of resorption by rebound valve；A part of oil liquid opens compensation simultaneously, under being entered by oil storage cylinder
Chamber.Damping action when rebound valve makes damper generate stretching exercise the throttling action of oil liquid.
Vehicle is during crankcase ventilaton environment downward driving, when Vehicular turn (especially racing to when), due to damping
The compression travel damping of device is larger, and the compression travel of the damper of close curve inner side becomes smaller, compression speed slows down, and effectively reduces
Close to vehicle frame deflection speed and the deflection down rapidly of curve inner side, it is effectively improved electric flatbed tricycle and is easily sent out in steering procedure
The problem of life is unbalance, rollover, effectively improves stationarity of the vehicle in steering procedure.Further, due to the extension row of damper
Journey damping is smaller, and vehicle frame can up ajust rapidly reset, to further be effectively improved electric flatbed tricycle in steering procedure
The problem of unbalance, rollover easily occurs, improves stationarity of the vehicle in steering procedure.
Claims (6)
1. a kind of front suspension structure of electric flatbed tricycle, characterized in that include:
Upper rocker arm, inner end and the vehicle frame of upper rocker arm are hinged and connected, and the outer end of upper rocker arm and the knuckle of front-wheel are hinged and connected；
Lower shake-changing arm, inner end and the vehicle frame of lower shake-changing arm are hinged and connected, and the outer end of lower shake-changing arm and the knuckle of front-wheel are hinged and connected；
When the practical load-carrying of electric flatbed tricycle is less than or equal to payload ratings: the upper end of front-wheel is toward outer incline.
2. the front suspension structure of electric flatbed tricycle according to claim 1, characterized in that the upper end of the front-wheel is toward flare
Oblique tilt angle is less than 8 degree.
3. the front suspension structure of electric flatbed tricycle according to claim 1, characterized in that when the practical load of electric flatbed tricycle
When being equal to the half of payload ratings again: inclined tilt angle is 2.5-4.5 degree outward for the upper end of front-wheel.
4. the front suspension structure of electric flatbed tricycle according to claim 1, characterized in that when the practical load of electric flatbed tricycle
When being equal to payload ratings again: inclined tilt angle is 0-2.5 degree outward for the upper end of front-wheel.
5. the front suspension structure of electric flatbed tricycle according to claim 1 or 2 or 3 or 4, characterized in that further include: it is preceding to subtract
Device is shaken, upper end and the vehicle frame of front damper are hinged and connected, and lower end and the upper rocker arm of front damper are hinged and connected,
The damping force of the compression travel of the front damper is greater than the damping force that extension stroke generates.
6. the front suspension structure of electric flatbed tricycle according to claim 5, characterized in that the front damper includes work
Cylinder, the piston that working cylinder is divided into epicoele and cavity of resorption and the rebound valve and flowing valve that are arranged on piston, the valve of the flowing valve
Hole circulation area is less than the valve opening circulation area of rebound valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025881.2U CN208714862U (en) | 2018-06-29 | 2018-06-29 | A kind of front suspension structure of electric flatbed tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025881.2U CN208714862U (en) | 2018-06-29 | 2018-06-29 | A kind of front suspension structure of electric flatbed tricycle |
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| Publication Number | Publication Date |
|---|---|
| CN208714862U true CN208714862U (en) | 2019-04-09 |
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ID=65972448
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821025881.2U Active CN208714862U (en) | 2018-06-29 | 2018-06-29 | A kind of front suspension structure of electric flatbed tricycle |
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| CN (1) | CN208714862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638776A (en) * | 2018-06-29 | 2018-10-12 | 浙江小豆电气科技有限公司 | The front suspension structure of electric flatbed tricycle |
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2018
- 2018-06-29 CN CN201821025881.2U patent/CN208714862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638776A (en) * | 2018-06-29 | 2018-10-12 | 浙江小豆电气科技有限公司 | The front suspension structure of electric flatbed tricycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220301 Address after: 310023 room 1101-1, building 12, Saiyin international business center, Wuchang Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU RONG DA INTELLIGENT MANUFACTURE TECHNOLOGY Co.,Ltd. Address before: 312400 No. 368, Punan Avenue, Pukou Town, Shengzhou Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG XIAODOU ELECTRIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |