CN209079973U - Fluid pressure type steering operation mechanism for lorry - Google Patents
Fluid pressure type steering operation mechanism for lorry Download PDFInfo
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- CN209079973U CN209079973U CN201821764157.1U CN201821764157U CN209079973U CN 209079973 U CN209079973 U CN 209079973U CN 201821764157 U CN201821764157 U CN 201821764157U CN 209079973 U CN209079973 U CN 209079973U
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- steering
- steering control
- control level
- rolling member
- lorry
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Abstract
The utility model relates to the assisted power steering system technical fields of vehicle, particularly for the fluid pressure type steering operation mechanism of lorry, including steering wheel and steering control valve, steering control level is connected between the steering wheel and steering control valve, the lantern ring being fixed on vehicle frame is arranged on the steering control level, the lantern ring is equipped with the bellmouth coaxial with steering control level, several rolling members are circumferentially with along steering control level in the bellmouth, the rolling member is slidably matched with the inner wall and steering control level of bellmouth simultaneously, the steering control level is equipped with the elastic mechanism being connected with rolling member.This programme solves the problems, such as that the steering force of the fluid pressure type steering operation mechanism of lorry in the prior art cannot be adjusted.
Description
Technical field
The utility model relates to the assisted power steering system technical fields of vehicle, turn to behaviour particularly for the fluid pressure type of lorry
Make mechanism.
Background technique
The load that the wheel of lorry is generally born is all bigger, when wheel steering, needs to apply biggish power
It can complete.In order to facilitate driver's operation, so fluid pressure type steering operation mechanism can all be arranged on lorry to assist driver
Manipulate wheel steering.As shown in Figure 1, existing fluid pressure type steering operation mechanism includes steering wheel, steering control valve, steering power
Cylinder, steering gear, steering reservoir and steering pump, steering pump are connected to steering control valve and steering reservoir simultaneously, are turned
It is connected to power cylinder with steering control valve, power cylinder is connect with steering gear, and steering wheel is for controlling course changing control
The oil circuit direction of valve to control the direction of motion of power cylinder, and then realizes that power cylinder passes through steering gear
To control Vehicular turn.Steering wheel will receive active force and the steering gear transmitting of hydraulic oil when controlling steering control valve
Reaction force back, at different speeds, the reaction force that steering gear is transmitted is different vehicle.
After parameter selectes complete design, assist characteristic is also determined that, cannot for existing fluid pressure type steering operation mechanism
It is adjusted again.Then, in design, if steering force when making to run at a low speed is small, steering when often making to run at high speed
Power is too small, causes the manipulation sense of driver poor, to influence the stability of manipulation；And steering is designed by the state run at high speed
When system, steering force when often making to run at a low speed is excessive, and the manipulation feeling of fatigue of driver is caused to increase.
Utility model content
The utility model is intended to provide a kind of fluid pressure type steering operation mechanism for lorry, to solve goods in the prior art
The problem of steering force of the fluid pressure type steering operation mechanism of vehicle cannot be adjusted.
The base case of the utility model are as follows: for the fluid pressure type steering operation mechanism of lorry, including steering wheel and steering
Control valve is connected with steering control level, is arranged with fixation on the steering control level between the steering wheel and steering control valve
Lantern ring on vehicle frame, the lantern ring are equipped with the bellmouth coaxial with steering control level, and the bellmouth is interior along course changing control
Bar is circumferentially with several rolling members, and the rolling member is slidably matched with the inner wall and steering control level of bellmouth simultaneously, described
Steering control level is equipped with the elastic mechanism being connected with rolling member.
Compared with prior art, it is the advantages of this programme: by setting direction disk, for driving steering control level to turn
It is dynamic.By the way that lantern ring is arranged, and bellmouth is set on lantern ring, is used to support rolling member rotation.By the way that rolling member is arranged, it is used for
Support steering control level rotation.It is larger by the aperture of bellmouth for applying direction to rolling member by the way that elastic mechanism is arranged
Hold the active force towards aperture small end.Due to from the aperture of bellmouth compared with big end to aperture small end, the side wall of bellmouth with
The width in the gap between steering control level is gradually reduced, and then, rolling member is in the active force by elastic mechanism, rolling member
Pressure between steering control level and the side wall of bellmouth will increase, to make rolling member and steering control level and bellmouth
Frictional force between side wall also increases with it, and increases the power for driving steering control level rotation also, then, applies on the steering wheel
Steering force also increase, to allow the steering force of steering wheel to be adjusted, to improve the stability of manipulation.
Further, the rolling member is equipped at least three, and all rolling members uniformly divide along the circumferential of steering control level
Cloth.By the way that at least three rolling member is arranged, and it is uniformly distributed, thus the active force for applying rolling member to steering control level
The direction of resultant force and the axis collinear of steering control level are bent damage so as to avoid steering control level by radial force
It is bad.
Further, the rolling member is spherical in shape, and the limiting bracket for being used to support rolling member is equipped in bellmouth.By rolling member
It is arranged to spherical shape, keeps the installation and replacement of rolling member all more convenient, to facilitates production.By the way that limiting bracket is arranged, it is used for
It supports rolling member mobile, avoids the relative position between rolling member that biggish change occurs, conveniently when installing rolling member to rolling
Relative position between moving part is positioned.
Further, the elastic mechanism includes spring and adjustable plate, and adjustable plate is opposite compared with big end with the aperture of bellmouth, is adjusted
Section sleeve-board is located on steering control level and is threadedly coupled with steering control level, and spring is between adjustable plate and limiting bracket.It is logical
It crosses and spring is set between limiting bracket and adjustable plate, applied to limiting bracket towards the aperture of bellmouth using the elastic force of spring
The thrust of small end to make rolling member also by the active force of the same direction, and then makes rolling member and bellmouth and turns to control
Pressure between bar processed increases.The decrement of control spring is realized by rotating the position of adjustable plate, thus adjustment spring
Elastic force, and then change the thrust for being applied to rolling member, and then change the size of the frictional force between rolling member and steering control level,
Facilitate and adjustment appropriate is carried out according to the requirement of driver.
Further, the thread connecting mode between the adjustable plate and steering control level is self-locking thread connection.By setting
The connection type for setting self-locking thread makes adjustable plate be not easy voluntarily to change position after having adjusted position, and no setting is required additional zero
Part positions the position of adjustable plate, facilitates operation.
Further, it is rotatably connected to backing plate towards the side of spring on the adjustable plate, the one of separate spring on adjustable plate
Side is fixedly connected with several shifting blocks radially extended.By the way that the backing plate with adjustable plate rotation connection is arranged, make spring and backing plate
It offsets, when rotating adjustable plate, relatively rotates between backing plate and adjustable plate, to make adjustable plate will not in rotation
The case where driving spring pivotal, driving adjustable plate rotation after deformation occurs so as to avoid spring and influence regulating effect generation.
By the way that shifting block is arranged, rotation adjustable plate can be realized by stirring shifting block, to facilitate operation.
Detailed description of the invention
Fig. 1 is schematic diagram of the utility model for the prior art of the fluid pressure type steering operation mechanism of lorry；
Fig. 2 is the utility model for steering wheel, steering control level in the fluid pressure type steering operation mechanism embodiment of lorry
With the assembling schematic diagram of steering control valve.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: steering wheel 1, steering control level 2, thread segment 21, adjustable plate 3, backing plate
4, spring 5, vehicle frame 6, lantern ring 7, limiting bracket 8, rolling member 9, steering control valve 10.
Embodiment is substantially as shown in Fig. 2: for the fluid pressure type steering operation mechanism of lorry, including steering wheel 1 and steering
Control valve 10 is connected with steering control level 2 between steering wheel 1 and steering control valve 10.There is thread segment on steering control level 2
21.It is arranged with the lantern ring 7 being fixedly mounted on vehicle frame 6 on steering control level 2, has on lantern ring 7 coaxial with steering control level 2
Bellmouth, the upper end of bellmouth are aperture compared with big end, and the lower end of bellmouth is aperture small end.Along steering control level in bellmouth
2 are circumferentially with four rolling members 9, and using the axis of steering control level 2 as center axis, permutation is distributed four rolling members 9 in a ring.
Rolling member 9 it is preferably spherical, rolling member 9 simultaneously with the outer wall of steering control level 2 and the snug engagement of bellmouth.
The limiting bracket 8 for constraining rolling member 9 is equipped in bellmouth, similar to the retainer in bearing arrangement in the prior art.
Rolling member 9 is slidably matched with the inner wall and steering control level 2 of bellmouth simultaneously.
The upside of limiting bracket 8 is equipped with elastic mechanism, and elastic mechanism includes spring 5 and adjustable plate 3, and spring 5 is preferably spiral shell
Spring 5 is revolved, spring 5 is set on steering control level 2, and lower end and the limiting bracket 8 of spring 5 offset；Adjustable plate 3 is located at spring 5
Upside, adjustable plate 3 is set on steering control level 2 and is threadedly coupled with the thread segment of steering control level 2 21, adjustable plate 3 with
Thread connecting mode between thread segment 21 is self-locking thread connection；The upside of adjustable plate 3 is equipped with four pieces of radial directions along adjustable plate 3
The shifting block of extension, using the axis of adjustable plate 3 as center axis, permutation is distributed four pieces of shifting blocks in a ring；The downside of adjustable plate 3 is equipped with pad
Plate 4, backing plate 4 are rotatablely connected by rotating shaft and adjustable plate 3 of the axis of steering control level 2, and the bottom surface of backing plate 4 is upper with spring 5
End offsets.
Specific implementation process is as follows: driving steering control level 2 to rotate by steering wheel 1, to realize to steering control valve
10 operation.When steering wheel rotation 1 feel steering force it is too small and influence operation when, by push shifting block to make adjustable plate 3 with
Steering control level 2 relatively rotates, and adjustable plate 3 is made to move down simultaneously compressed spring 5, and spring 5 is made to be applied to the bullet of limiting bracket 8
Power increases, thus increase thrust downward suffered by rolling member 9, due to the whole stress balance of rolling member 9, so, rolling
Pressure between moving part 9 and steering control level 2 and lantern ring 7 also increases, so, when rolling member 9 and steering control level 2 and lantern ring 7
Between frictional force also increase, then steering control level 2 rotation when need overcome bigger frictional force, so that steering wheel 1 exists
Bigger steering force is needed when steering control level 2 being driven to rotate, and enhances the manipulation sense of driver.Conversely, working as rotation direction
Disk 1 feel steering force it is larger and influence operation when, rotation adjustable plate 3 so that adjustable plate 3 is subtracted the decrement of spring 5 far from lantern ring 7
It is small, the thrust that spring 5 applies rolling member 9 is then reduced, and then reduce rolling member 9 and steering control level 2 and lantern ring 7
Between pressure, reduce the frictional force between rolling member 9 and steering control level 2 and lantern ring 7, then rotation steering control level
The steering force applied when 2 need to only overcome lesser frictional force, and the power applied when to reducing operation steering wheel 1 mitigates
Manipulation feeling of fatigue.
Claims (6)
1. being used for the fluid pressure type steering operation mechanism of lorry, including steering wheel and steering control valve, the steering wheel and steering are controlled
Steering control level is connected between valve processed, it is characterised in that: the lantern ring being fixed on vehicle frame is arranged on the steering control level,
The lantern ring is equipped with the bellmouth coaxial with steering control level, and the bellmouth is interior several along being circumferentially with for steering control level
Rolling member, the rolling member are slidably matched with the inner wall and steering control level of bellmouth simultaneously, and the steering control level is equipped with
The elastic mechanism being connected with rolling member.
2. the fluid pressure type steering operation mechanism according to claim 1 for lorry, it is characterised in that: the rolling member is set
There is at least three, and all rolling members are uniformly distributed along the circumferential direction of steering control level.
3. the fluid pressure type steering operation mechanism according to claim 2 for lorry, it is characterised in that: the rolling member is in
Spherical shape, bellmouth is interior to be equipped with the limiting bracket for being used to support rolling member.
4. the fluid pressure type steering operation mechanism according to claim 3 for lorry, it is characterised in that: the elastic mechanism
Including spring and adjustable plate, adjustable plate is opposite compared with big end with the aperture of bellmouth, adjustable plate be set on steering control level and with
Steering control level is threadedly coupled, and spring is between adjustable plate and limiting bracket.
5. the fluid pressure type steering operation mechanism according to claim 4 for lorry, it is characterised in that: the adjustable plate with
Thread connecting mode between steering control level is self-locking thread connection.
6. the fluid pressure type steering operation mechanism according to claim 5 for lorry, it is characterised in that: on the adjustable plate
Towards the side of spring it is rotatably connected to backing plate, the side on adjustable plate far from spring is fixedly connected with several radially extend
Shifting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821764157.1U CN209079973U (en) | 2018-10-29 | 2018-10-29 | Fluid pressure type steering operation mechanism for lorry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821764157.1U CN209079973U (en) | 2018-10-29 | 2018-10-29 | Fluid pressure type steering operation mechanism for lorry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209079973U true CN209079973U (en) | 2019-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821764157.1U Active CN209079973U (en) | 2018-10-29 | 2018-10-29 | Fluid pressure type steering operation mechanism for lorry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209079973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495045A (en) * | 2023-04-14 | 2023-07-28 | 昆山精诚得精密五金模具有限公司 | Automobile steering wheel connector |
-
2018
- 2018-10-29 CN CN201821764157.1U patent/CN209079973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116495045A (en) * | 2023-04-14 | 2023-07-28 | 昆山精诚得精密五金模具有限公司 | Automobile steering wheel connector |
| CN116495045B (en) * | 2023-04-14 | 2023-10-03 | 昆山精诚得精密五金模具有限公司 | Automobile steering wheel connector |
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