CN208007055U - A kind of automotive steering structure - Google Patents
A kind of automotive steering structure Download PDFInfo
- Publication number
- CN208007055U CN208007055U CN201820415639.XU CN201820415639U CN208007055U CN 208007055 U CN208007055 U CN 208007055U CN 201820415639 U CN201820415639 U CN 201820415639U CN 208007055 U CN208007055 U CN 208007055U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- steering
- reversal valve
- fluid port
- hydraulic fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Power Steering Mechanism (AREA)
Abstract
The utility model is related to a kind of automotive steering structure, including transmission shaft, the steering wheel being mounted on transmission shaft, universal joint, steering gear, drag link, hydraulic-pressure control apparatus；Hydraulic-pressure control apparatus is equipped with hydraulic cylinder and the reversal valve mobile for controlling the piston commutation of hydraulic cylinder；Transmission shaft is connected by universal joint with steering gear, and the output end of steering gear is connected in the change transposition of reversal valve, and the piston of hydraulic cylinder is connected on drag link, and drag link is connected on the wheel of automobile.The steering of automobile may be implemented in the utility model, belongs to the technical field of motor turning.
Description
Technical field
The utility model is related to the technical field of motor turning more particularly to a kind of automotive steering structures.
Background technology
Steering is the important component of automobile chassis, and the quality of steering performance directly influences running car
Safety, operational stability and driver comfort, it is for ensuring the driving safety of vehicle, reducing traffic accident and protection
The personal safety of driver, the operating condition for improving driver play an important role.
Automotive steering structure mostly uses greatly gear-rack steering mechanism at present, it by steering wheel, axis of orientation, universal joint, turn
Moving axis, turns to the compositions such as drive link and deflecting roller at steering gear.Gear rotation in steering wheel operating steering gear, wheel and rack
It tightly engages, rack is pushed to move to left or move to right, drive deflecting roller to swing, to change the direction of running car.Since it has
The few light weight of structure, advantage at low cost are favored by automaker.But automobile on uneven road surface when driving, hair
The raw impact force between deflecting roller and road surface can largely reach steering wheel, driver can be made nervous, and be difficult to accurately
Vehicle traveling direction is controlled, rotation can cause hired roughneck to steering wheel again suddenly, to driver.
Utility model content
For the technical problems in the prior art, the purpose of this utility model is：A kind of automotive steering structure is provided,
The steering of automobile may be implemented.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of automotive steering structure, including transmission shaft, the steering wheel being mounted on transmission shaft, universal joint, steering gear, horizontal drawing
Bar, hydraulic-pressure control apparatus；Hydraulic-pressure control apparatus is equipped with hydraulic cylinder and the reversal valve mobile for controlling the piston commutation of hydraulic cylinder；
Transmission shaft is connected by universal joint with steering gear, and the output end of steering gear is connected in the change transposition of reversal valve, the work of hydraulic cylinder
Plug is connected on drag link, and drag link is connected on the wheel of automobile.
It is further：Hydraulic-pressure control apparatus further includes fuel tank, gear pump；Reversal valve is equipped with the first hydraulic fluid port, the second oil
Mouth, third hydraulic fluid port, the 4th hydraulic fluid port；One end of gear pump is connected to by pipeline on fuel tank, and the other end of gear pump passes through first
Pipeline is connected on the first hydraulic fluid port of reversal valve, and fuel tank is connected to by pipeline on the second hydraulic fluid port of reversal valve, and the of hydraulic cylinder
One inner cavity is connected to by pipeline on the third hydraulic fluid port of reversal valve, and the second inner chamber of hydraulic cylinder is connected to reversal valve by pipeline
On 4th hydraulic fluid port.
It is further：Hydraulic-pressure control apparatus further includes motor, and the output end of motor is connected on gear pump.
It is further：Hydraulic-pressure control apparatus further includes overflow valve, and one end of overflow valve passes through pipeline and first pipe phase
Logical, the other end of overflow valve is connected to by pipeline on fuel tank.
It is further：Steering gear includes connecting shaft and steering shaft；One end of connecting shaft is connected on universal joint, connecting shaft
The other end be equipped with gear, steering shaft is equipped with rack, and wheel and rack is meshed, and the end of steering shaft is connected to reversal valve
Become in transposition.
It is further：Steering shaft is equipped with the groove of strip, and rack is embedded in groove.
It is further：One end of drag link is connected on a wheel of automobile, and the other end of drag link is connected to vapour
On another wheel of vehicle.
It is further：Reversal valve is two-position four way change valve.
It is further：Universal joint is cardan (hookes)universal joint.
Generally speaking, the utility model has the following advantages that：
The utility model can realize that motor turning, simple in structure, reliability is high and inexpensive.It gives and drives in driving
The superior comfortable driving experience of person when encountering uneven road surface causes wheel to shake, passes through the cushioning effect of hydraulic pressure unit, drop
The low vibrations being transmitted on steering wheel, prevent rack drives gear from steering wheel being made to invert, and improve safety.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model, is not drawn into hydraulic-pressure control apparatus.
Fig. 2 is the principle schematic of hydraulic-pressure control apparatus, and piston is moved to the left.
Fig. 3 is the principle schematic of hydraulic-pressure control apparatus, and piston moves right.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
It is now attached to what is occurred in Figure of description for the ease of uniformly checking each reference numeral inside Figure of description
Icon note is unitedly described as follows：
1 is steering wheel, and 2 be transmission shaft, and 3 be universal joint, and 4 be connecting shaft, and 5 be gear, and 6 be rack, and 7 be steering shaft, and 8 are
Reversal valve, 9 be hydraulic cylinder, and 10 be the piston of hydraulic cylinder, and 11 be drag link, and 12 be wheel, and 13 be first inner chamber, and 14 be in second
Chamber, 15 be the first hydraulic fluid port, and 16 be the second hydraulic fluid port, and 17 be third hydraulic fluid port, and 18 be the 4th hydraulic fluid port, and 19 be gear pump, and 20 be overflow valve,
21 be fuel tank.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, a kind of automotive steering structure, including transmission shaft, it is mounted on the direction on transmission shaft
Disk, universal joint, steering gear, drag link, hydraulic-pressure control apparatus.Hydraulic-pressure control apparatus is equipped with hydraulic cylinder and for controlling hydraulic cylinder
The mobile reversal valve of piston commutation；Pass through reversal valve, thus it is possible to vary the moving direction of hydraulic cylinder piston.Transmission shaft passes through universal joint
Connecting with steering gear, the output end of steering gear is connected in the change transposition of reversal valve, and the piston of hydraulic cylinder is connected on drag link,
Drag link is connected on the wheel of automobile.
Hydraulic-pressure control apparatus further includes fuel tank, gear pump.Reversal valve be equipped with the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port,
4th hydraulic fluid port becomes transposition.One end of gear pump is connected to by pipeline on fuel tank, and the other end of gear pump is connected by first pipe
It is connected on the first hydraulic fluid port of reversal valve, fuel tank is connected to by pipeline on the second hydraulic fluid port of reversal valve, has first in hydraulic cylinder
The first inner chamber of inner cavity and second inner chamber, hydraulic cylinder is connected to by pipeline on the third hydraulic fluid port of reversal valve, and the second of hydraulic cylinder
Inner cavity is connected to by pipeline on the 4th hydraulic fluid port of reversal valve.
Hydraulic-pressure control apparatus further includes motor, and the output end of motor is connected on gear pump.Motor can drive gear pump
Work.
Hydraulic-pressure control apparatus further includes overflow valve, and one end of overflow valve is communicated by pipeline with first pipe, overflow valve
The other end is connected to by pipeline on fuel tank.
Steering gear includes connecting shaft and steering shaft.Transmission shaft and connecting shaft are all obliquely installed, the setting of steering shaft general horizontal,
One end of connecting shaft is connected on universal joint, and the other end of connecting shaft is equipped with gear, and steering shaft is equipped with rack, wheel and rack
It is meshed, the end of steering shaft is connected in the change transposition of reversal valve, i.e. the output end of steering gear is connected to the transformation of reversal valve
On position.
Steering shaft is equipped with the groove of strip, and rack is embedded in groove.
One end of drag link is connected on a wheel of automobile, and the other end of drag link is connected to another vehicle of automobile
On wheel.
Reversal valve is two-position four way change valve.
Universal joint is cardan (hookes)universal joint.
The principle of this automotive steering structure：As shown in Figure 2：Piston is moved to the left：Oil comes out from fuel tank, flows through gear pump,
Gear pump can be such that oil pressure increases, and accelerate flowing of the oil in pipeline, after oil stream crosses gear pump, flow into first pipe, then again
It flows into from the first hydraulic fluid port of reversal valve, is flowed out from the third hydraulic fluid port of reversal valve, then flow into the first inner chamber of hydraulic cylinder by pipeline,
Oil pushes piston to be moved to the left, and the oil of hydraulic cylinder second inner chamber is flowed into from the 4th hydraulic fluid port of reversal valve, from the second oil of reversal valve
Mouth outflow, then mailbox is flowed back to by pipeline.
As shown in Figure 3：Piston moves right：Steering wheel rotation, to drive transmission shaft to rotate, transmission shaft passes through universal joint
Connecting shaft rotation is driven, to which gear rotates, band carry-over bar horizontal direction moves, to drive steering shaft horizontal direction to move,
Steering shaft horizontal direction moving operation is in the change transposition of reversal valve, so that reversal valve replaces, the flow direction of oil circuit is at this time：
Oil comes out from fuel tank, flows through gear pump, and gear pump can be such that oil pressure increases, and flowing of the oil in pipeline, oil stream is accelerated to cross gear pump
Afterwards, it flows into first pipe, is then flowed into again from the first hydraulic fluid port of reversal valve, flowed out from the 4th hydraulic fluid port of reversal valve, then pass through
Pipeline flows into the second inner chamber of hydraulic cylinder, and oil pushes piston to move right, the oily third from reversal valve of hydraulic cylinder first inner chamber
Hydraulic fluid port flows into, and is flowed out from the second hydraulic fluid port of reversal valve, then flow back to mailbox by pipeline.
Piston moves right to the left, and distribution drives drag link to move right to the left, to drive automobile to bend to right to the left.
When the oil in first pipe is excessive, overflow valve is opened, and part oil flows through overflow valve, then flows back to fuel tank, is moved to control piston
Dynamic speed.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (9)
1. a kind of automotive steering structure, it is characterised in that：Including transmission shaft, the steering wheel being mounted on transmission shaft, universal joint turns
To device, drag link, hydraulic-pressure control apparatus；Hydraulic-pressure control apparatus is equipped with hydraulic cylinder and the piston commutation movement for controlling hydraulic cylinder
Reversal valve；Transmission shaft is connected by universal joint with steering gear, and the output end of steering gear is connected in the change transposition of reversal valve, liquid
The piston of cylinder pressure is connected on drag link, and drag link is connected on the wheel of automobile.
2. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：Hydraulic-pressure control apparatus further include fuel tank,
Gear pump；Reversal valve is equipped with the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port, the 4th hydraulic fluid port；One end of gear pump is connected by pipeline
It is connected on fuel tank, the other end of gear pump is connected to by first pipe on the first hydraulic fluid port of reversal valve, and fuel tank is connected by pipeline
It is connected on the second hydraulic fluid port of reversal valve, the first inner chamber of hydraulic cylinder is connected to by pipeline on the third hydraulic fluid port of reversal valve, hydraulic pressure
The second inner chamber of cylinder is connected to by pipeline on the 4th hydraulic fluid port of reversal valve.
3. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：Hydraulic-pressure control apparatus further includes motor,
The output end of motor is connected on gear pump.
4. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：Hydraulic-pressure control apparatus further includes overflow
One end of valve, overflow valve is communicated by pipeline with first pipe, and the other end of overflow valve is connected to by pipeline on fuel tank.
5. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：Steering gear includes connecting shaft and steering
Axis；One end of connecting shaft is connected on universal joint, and the other end of connecting shaft is equipped with gear, and steering shaft is equipped with rack, gear with
Rack is meshed, and the end of steering shaft is connected in the change transposition of reversal valve.
6. a kind of automotive steering structure according to claim 5, it is characterised in that：Steering shaft is equipped with the groove of strip,
Rack is embedded in groove.
7. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：One end of drag link is connected to automobile
On one wheel, the other end of drag link is connected on another wheel of automobile.
8. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：Reversal valve is two-position four way change valve.
9. a kind of automotive steering structure described in accordance with the claim 1, it is characterised in that：Universal joint is cardan (hookes)universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820415639.XU CN208007055U (en) | 2018-03-27 | 2018-03-27 | A kind of automotive steering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820415639.XU CN208007055U (en) | 2018-03-27 | 2018-03-27 | A kind of automotive steering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208007055U true CN208007055U (en) | 2018-10-26 |
Family
ID=63890579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820415639.XU Active CN208007055U (en) | 2018-03-27 | 2018-03-27 | A kind of automotive steering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208007055U (en) |
-
2018
- 2018-03-27 CN CN201820415639.XU patent/CN208007055U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2020179849A (en) | Skid steered all-terrain vehicle | |
| CN105667580B (en) | A kind of wire-controlled steering system and its control method based on fuzzy control | |
| CN204250157U (en) | A kind of emergency double loop power steering system | |
| CN103057583A (en) | Electronic-hydraulic power steering control system and control method thereof | |
| CN103496396A (en) | Novel energy-saving differential power-assisted steering system of electric wheel automobile and control method thereof | |
| KR100192381B1 (en) | Power steering system for vehicles | |
| CN110962919A (en) | Active electro-hydraulic coupling steering system and vehicle | |
| CN105584526B (en) | Eight four bridge car steering of wheel | |
| CN208007055U (en) | A kind of automotive steering structure | |
| CN105715704B (en) | Fluid damping formula brakes | |
| CN107600175A (en) | A kind of car active front steering system and its rotating direction control method based on accumulator | |
| CN205780449U (en) | Fluid damping formula brakes | |
| CN212074201U (en) | Steering control valve for steering wheel of crawler vehicle | |
| CN203753231U (en) | Semi-integrated steering system having emergency steering function | |
| CN203335499U (en) | Hydraulic traveling system and vehicle | |
| CN203996416U (en) | Power hydraulic system, vehicle synchronous steering hardware and vehicle | |
| CN207712135U (en) | A kind of steering of wide dumper | |
| CN205131353U (en) | Hydraulic Power Steering System | |
| CN206202067U (en) | Hydrostatic process auxiliary drive quarry tipper hydraulic integrated system | |
| CN206589954U (en) | A kind of automatically controlled variable-flow steering boost system | |
| CN205930882U (en) | Novel auto steering is supplementary device | |
| CN106882264B (en) | Electric control variable flow steering power assisting system | |
| CN205930281U (en) | Hydraulic pressure four wheel drive device | |
| CN213360619U (en) | Speed-following power-assisted steering control valve structure | |
| CN201220687Y (en) | Hydraulic power-assisted steering booster apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |