CN108799477A - Adjustment mechanism, deceleration mechanism and the automobile of worm gear worm backlash - Google Patents
Adjustment mechanism, deceleration mechanism and the automobile of worm gear worm backlash Download PDFInfo
- Publication number
- CN108799477A CN108799477A CN201710309280.8A CN201710309280A CN108799477A CN 108799477 A CN108799477 A CN 108799477A CN 201710309280 A CN201710309280 A CN 201710309280A CN 108799477 A CN108799477 A CN 108799477A
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- China
- Prior art keywords
- protrusion
- inner ring
- worm
- adjustment mechanism
- outer ring
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0442—Conversion of rotational into longitudinal movement
- B62D5/0454—Worm gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Abstract
A kind of adjustment mechanism of worm gear worm backlash, deceleration mechanism and automobile, wherein the adjustment mechanism of worm gear worm backlash includes：Outer ring；There is gap in the inner ring of open loop, the outer surface of the inner ring is fixedly connected with the inner surface of the outer ring radially with the inner ring, and the elastic element that can generate radial compacting force is equipped between the inner ring and outer ring；First protrusion of elastic material is set to the inner surface of the outer ring, opening of first protrusion close to the inner ring；Second protrusion of elastic material, is set to the outer surface of the inner ring, opposite with first protrusion and there is gap radially.The adjustment mechanism of the present invention can either eliminate worm gear worm backlash, additionally it is possible to reduce noise, promote the driver comfort of driver.
Description
Technical field
The present invention relates to automobile technical fields, and in particular to a kind of adjustment mechanism of worm gear worm backlash, speed reducer
Structure and automobile.
Background technology
Electric boosting steering system (Electric Power Steering, abbreviation EPS) is that one kind is directly carried by motor
For the power steering system of auxiliary torque, EPS mainly by torque sensor, vehicle speed sensor, motor, electric booster steering device,
The compositions such as deceleration mechanism and electronic control unit (ECU, Electronic Control Unit).Wherein, electric booster steering device
Shell in be equipped with worm gear installation cavity and worm screw installation cavity, worm screw installation cavity install worm screw, worm gear installation cavity install worm gear, worm gear
It is intermeshed with worm screw, worm screw is connected by shaft coupling with the output end of motor.
Due to the influence of the factors such as mismachining tolerance, rigging error and tooling environment, worm and gear can have back lash.?
It will produce noise in steering procedure, influence the comfort of driver.To eliminate the back lash of worm and gear, the prior art has been adopted
Back lash is eliminated with worm gear worm backlash adjustment mechanism.But the adjustment mechanism of the prior art is eliminating back lash mistake
Cheng Zhong, adjustment mechanism itself will produce noise, influence the driver comfort of driver.
Invention content
Problems solved by the invention is existing worm gear worm backlash adjustment mechanism in the process for eliminating back lash
In will produce noise.
To solve the above problems, the present invention provides a kind of adjustment mechanism of worm gear worm backlash, including：Outer ring；It opens
There is gap in the inner ring of ring, the outer surface of the inner ring and the inner surface of the outer ring fix company radially with the outer ring
It connects, the elastic element that can generate radial compacting force is equipped between the inner ring and outer ring；First protrusion of elastic material, is set to
The inner surface of the outer ring, opening of first protrusion close to the inner ring；Second protrusion of elastic material, is set to described
The outer surface of inner ring, it is opposite with first protrusion and there is gap radially.
Optionally, it is described first protrusion circumferentially.
Optionally, it is described second protrusion circumferentially.
Optionally, along the direction far from the opening, the diametrical thickness of second protrusion gradually increases.
Optionally, the part of the opening circumferential direction both sides of the inner ring is equipped with second protrusion.
Optionally, the material of the inner ring and the outer ring is engineering plastics or resin material.
Optionally, the material of first protrusion and second protrusion is engineering plastics or resin material.
Optionally, the outer surface of the inner ring is at least provided with the first groove and the second groove circumferentially, in an axial direction,
First groove and the setting of the second groove interval, second protrusion be located at first groove and second groove it
Between；It is respectively equipped with the elastic element in first groove and second groove.
Optionally, the elastic element is clamp spring.
The present invention also provides a kind of deceleration mechanisms, including：There is worm gear installation cavity and worm screw to install for shell, the shell
Chamber；Worm gear is installed on the worm gear installation cavity；Worm screw, is installed on the worm screw installation cavity, and the worm gear and worm screw mutually nibble
It closes, in an axial direction, the worm screw has a first end and a second end；Adjustment mechanism described in any one of the above embodiments, the outer ring with it is described
The cavity wall of worm screw installation cavity offsets, and the first end and/or the second end are arranged with bearing, and the inner ring is sheathed on the axis
The peripheral surface held.
Optionally, the deceleration mechanism is electric boosting steering system, and the shell is steering gear housing.
The present invention also provides a kind of automobiles, including deceleration mechanism described in any one of the above embodiments.
Compared with prior art, technical scheme of the present invention has the following advantages：
The adjustment mechanism of the worm gear worm backlash of the present invention includes the inner ring of outer ring and open loop, wherein inner ring is used for
It is set on worm screw, the worm screw chamber that outer ring was used for and installed worm screw offsets, and radial direction can be generated by being equipped between inner ring and outer ring
The elastic element of pressing force.After worm and gear is completed to assemble, worm and gear engagement is preferable, and the inner ring of adjustment mechanism is set in snail
On bar, elastic element is in original state, and there are initial pretightening forces.Worm and gear worked after a period of time, between worm and gear
Back lash is will produce, being embodied in worm screw can move away from the direction of worm gear, and the diametrical distance of worm and gear increases.
Since the inner ring of adjustment mechanism is set on worm screw, when worm screw can move away from the direction of worm gear, worm screw
Active force can be applied to inner ring.Since inner ring is open loop, then the opening of inner ring can become larger, the bullet being set between inner ring and outer ring
Property element elastic deformation occurs with the change conference of opening, and generate radial compacting force, radial compacting force promotes the opening of inner ring
Become smaller, inner ring is promoted to reset.Inner ring can drive worm screw to be moved towards close to the direction of worm gear during reset, to worm gear
Worm screw engagement is compact, is unlikely to generate back lash.
Simultaneously as adjustment mechanism, during eliminating back lash, the opening of inner ring can become larger, inner ring can be close to outer
Circle, if inner ring collides outer ring and just will produce noise.The present invention is equipped with the first protrusion on the inner surface of outer ring, and the first protrusion is leaned on
The opening of nearly inner ring is equipped with the second protrusion in the outer surface of inner ring, and the second protrusion is opposite with the first protrusion.
During the opening of inner ring becomes larger, the second protrusion can be close to the first protrusion, the second protrusion and the first protrusion
Contact；And first protrusion and the second protrusion be elastic material, the hardness of the two is relatively low, can play the role of buffer shock-absorbing,
Significantly reduce adjustment mechanism noise caused by inner ring and outer ring collision during eliminating back lash.So that the present invention
Adjustment mechanism can either eliminate worm gear worm backlash, additionally it is possible to reduce noise, promote the driver comfort of driver.
Description of the drawings
Fig. 1 is the meshing state figure of worm and gear of the embodiment of the present invention, and the part-structure of worm gear, worm screw are shown in figure
Part-structure and be sheathed on worm screw first end meshing gap adjusting mechanism；
Fig. 2 is the side view that worm gear worm backlash adjustment mechanism of the embodiment of the present invention is sheathed on worm screw；
Fig. 3 is the stereogram of worm gear worm backlash adjustment mechanism of the embodiment of the present invention；
Fig. 4 is the stereogram exploded view of Fig. 3；
Fig. 5 is the structural schematic diagram of worm gear worm backlash adjustment mechanism of the embodiment of the present invention, and inner ring is illustrated in figure
Central point F residing for plane B and outer ring central point G residing for plane C.
Specific implementation mode
In the prior art, worm gear worm backlash adjustment mechanism will produce noise during eliminating back lash.
The worm gear worm backlash adjustment mechanism of the present invention is provided with the first protrusion of elastic material and the second protrusion of elastic material,
So that the adjustment mechanism of the present invention can either eliminate worm gear worm backlash, additionally it is possible to reduce noise, promote driving for driver
Sail comfort.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
The present invention provides a kind of deceleration mechanism, and with reference to figure 1, in the present embodiment, deceleration mechanism is electric boosting steering system,
Including shell 10, shell 10 is steering gear housing.There is worm gear installation cavity 11 and worm screw installation cavity 12, in worm gear in shell 10
Worm gear 20 is installed in installation cavity 11, worm screw 30 is installed in worm screw installation cavity 12.The part of worm gear 20 is illustrated only in Fig. 1
Structure, worm screw 30 part-structure.Along the axial direction of worm screw 30, worm screw 30 has first end 31 and second end, is illustrated only in Fig. 1
The first end 31 of worm screw 30.
Due to the influence of the factors such as mismachining tolerance, rigging error and tooling environment, worm and gear can have back lash.?
It will produce noise in steering procedure, influence the comfort of driver.For the back lash of elimination worm and gear, continue to refer to figure 1,
It is arranged with worm gear worm backlash adjustment mechanism 40 in the first end 31 of worm screw 30, between the engagement for eliminating worm and gear
Gap.
Specifically, with reference to figure 2, the adjustment mechanism 40 of worm gear worm backlash includes：The inner ring of outer ring 41 and open loop
42, there is gap A in outer ring 41 and inner ring 42, the outer surface of inner ring 42 is fixedly connected with the inner surface of outer ring 41 radially.This
In embodiment, the outer surface of inner ring 42 is convexly equipped with interconnecting piece 44, for being fixedly connected with the inner surface of outer ring 41.In conjunction with Fig. 1 institutes
Show, the outer ring 41 of adjustment mechanism 40 and the cavity wall of worm screw installation cavity 12 offset, and the first end 31 of worm screw 30 is equipped with bearing 50, is used for
Radial load is carried, the inner ring 42 of adjustment mechanism 40 is sheathed on the peripheral surface of bearing 50.
In the present embodiment, the outer ring 41 of adjustment mechanism 40 is closed loop, can be open loop in other embodiments；In addition, this
It is equipped with bearing 50 in the first end 31 of worm screw 30 in embodiment, can be that the second end of worm screw is equipped with axis in other embodiments
It holds；The first end and second end of the either output shaft of worm screw is equipped with bearing；Correspondingly, it is arranged adjustment in the peripheral surface of bearing
The inner ring of mechanism.
With reference to figure 3 and Fig. 4, the embodiment of the present invention is equipped between inner ring 42 and outer ring 41 can generate radial compacting force
Elastic element 43.After worm and gear is completed to assemble, worm and gear engagement is preferable, and elastic element 43 is in original state, deposits
In initial pretightening force.Worm and gear worked after a period of time, and back lash is will produce between worm and gear, is embodied in 30 meeting of worm screw
Away from direction (in Fig. 1 shown in the directions the D) movement of worm gear 20, the diametrical distance of worm and gear increases.
Since the inner ring 42 of adjustment mechanism 40 is set on worm screw 30, when worm screw 30 moves away from the direction of worm gear 20
When, worm screw 30 can apply active force to inner ring 42.Since inner ring 42 is open loop, then the opening of inner ring 42 can become larger, it is set to interior
With the change conference of opening elastic deformation occurs for the elastic element 43 between circle 42 and outer ring 41, and generates radial compacting force, diameter
Promote the opening of inner ring 42 to become smaller to pressing force, inner ring 42 is promoted to reset.Inner ring 42 can drive worm screw 30 during reset
It is moved towards close to the direction (in the opposite direction with side D in Fig. 1) of worm gear 20, to which worm and gear engagement is compact, is unlikely to produce
Raw back lash.
Meanwhile with reference to figure 3, since adjustment mechanism 40 is during eliminating back lash, the opening of inner ring 42 can become larger,
Inner ring 42 can be close to outer ring 41, if inner ring 42 collides outer ring 41 and just will produce noise.The present invention is on the inner surface of outer ring 41
Equipped with the first protrusion 41a, the first protrusion 41a close to the opening of inner ring 42, it is equipped with the second protrusion 42a in the outer surface of inner ring 42,
Second protrusion 42a is opposite with the first protrusion 41a, and there is gap radially.
During the opening of inner ring 42 becomes larger, the second protrusion 42a can be close to the first protrusion 41a, the second protrusion 42a
It is contacted with the first protrusion 41a；And first protrusion 41a and the second protrusion 42a be elastic material, the hardness of the two is relatively low, can
Play the role of buffering shock-absorbing, significantly reduces adjustment mechanism 40 inner ring 42 and outer ring 41 during eliminating back lash and touch
Hit generated noise.So that the adjustment mechanism 40 of the present invention can either eliminate worm gear worm backlash, additionally it is possible to which reduction is made an uproar
Sound promotes the driver comfort of driver.
With continued reference to Fig. 3, in the present embodiment, the first protrusion 41a circumferentially, the first diametrical throwings of protrusion 41a
Shadow covers the opening of inner ring 42；Meanwhile second protrusion 42a circumferentially, in the present embodiment, the opening circumferential direction both sides of inner ring 42
Part be equipped with the second protrusion 42a, can be that the part of the circumferential either side of the opening of inner ring is equipped in other embodiments
Second protrusion.
In the present embodiment, the diametrical projections of the first protrusion 41a at least partly cover two second protrusion 42a, even
Can be that the diametrical projections of the first protrusion 41a are completely covered two second protrusion 42a and (are equivalent to the first protrusion 41a along week
It is more than the sum of the length of two second protrusion 42a circumferentially to the length of extension).It can be designed so that the second protrusion in this way
During close to the first protrusion 41a, the part of circumferentially extending is in contact with the first protrusion 41a 42a, being capable of maximum journey
The buffering shock-absorbing of degree ground, reduces noise.
It should be noted that in the present embodiment, the second protrusion 42a starts circumferentially in the opening of inner ring 42；At it
In its embodiment, the second protrusion 42a can the opening far from inner ring 42 circumferentially.Be equivalent to, no matter first protrusion
How the protrusions of 41a and second 42a arranges, as long as meeting：The diametrical projections of first protrusion 41a at least partly covering two the
Two protrusion 42a are inhaled in this way, can closely be in contact in the process to the first protrusion 41a in the second protrusion 42a with buffering
Shake reduces noise.
With continued reference to Fig. 3, along the direction of the opening far from inner ring 42, as shown in the directions E in Fig. 3, the second protrusion 42a is in diameter
Upward thickness gradually increases.It is equivalent to, the second diametrical size h of the protrusion protrusion 41a of 42a to first are gradually reduced.This
Sample designs so that inner ring 42 has larger deformation space in opening, and the opening for being conducive to inner ring 42 becomes larger or becomes smaller, and can adjust
The back lash of whole worm and gear, meanwhile, also enabling the second protrusion 42a to be in contact with the first protrusion 41a, is being inhaled with buffering
Shake reduces noise.
If also, the sizes such as second diametrical thickness of protrusion 42a, inner ring 42 is after opening becomes larger, the second protrusion
42a is contacted with the first protrusion 41a for line；And the second diametrical thickness of protrusion 42a of the present invention is not etc. after sizes, inner ring 42
After opening becomes larger, the second protrusion 42a is contacted with the first protrusion 41a for face.It is contacted compared to line, face contact can slow down first
Abrasion between the protrusions of raised 41a and second 42a, on the other hand, face contact can increase the protrusions of the first protrusion 41a and second
The contact area of 42a is conducive to buffer shock-absorbing, reduces noise.
In addition, design is it is also an advantage that be exactly in this way：When the opening of inner ring 42 starts to become larger, the second protrusion 42a exists
The part (i.e. the opening of inner ring 42) of thinner thickness radially can be in contact with the first protrusion 41a at first, and first is convex at this time
Shock-absorbing can not only be buffered by playing 41a, additionally it is possible to preferably support inner ring 42 so that the opening of inner ring 42 steadily becomes larger or becomes
It is small, preferably adjust the back lash of worm and gear.
It should be noted that the material of the first protrusion 41a and the second protrusion 42a are engineering plastics or resinous wood in the present embodiment
Material, these material hardness are relatively low, and the first protrusion 41a can preferably buffer shock-absorbing after being contacted with the second protrusion 42a, reduce noise.
Specifically, the material of the first protrusion 41a and the second protrusion 42a can be engineering plastics simultaneously；Alternatively, being resinous wood simultaneously
Material；Alternatively, one of them is engineering plastics, another is resin material.
In addition, the hardness of the inner ring 42 of the present embodiment and the hardness of outer ring 41 may be the same or different.For example, interior
The material of circle 42 and outer ring 41 is engineering plastics or resin material, and inner ring 42 is identical with the hardness of outer ring 41, this can be one
Determine to generate noise after avoiding inner ring 42 to hit with 41 phase of outer ring in degree；Make entire worm gear worm backlash adjustment mechanism 40
During eliminating worm gear worm backlash, the noise of generation is relatively low, promotes the driver comfort of driver.Alternatively,
In other embodiments, the hardness of inner ring and outer ring differs, for example, outer ring uses steel material, and the material of inner ring is engineering
Plastics or resin material generate noise after also inner ring capable of being avoided mutually to be hit with outer ring to a certain extent.
It should be noted that in the present embodiment, elastic element 43 is clamp spring, and with reference to figure 4, clamp spring is in the ring-shaped of open loop, with
The shape of the outer surface of inner ring 42 matches.With reference to figure 3, the outer surface of inner ring 42 is at least provided with the first groove circumferentially
42b and the second groove 42c, in an axial direction, the first groove 42b and the setting of the second intervals groove 42c, the second protrusion 42a are located at first
Between groove 42b and the second groove 42c；It is respectively equipped with clamp spring in first groove 42b and the second groove 42c.
With reference to figure 5, adjustment mechanism 40 is eccentric structure, and the central point G of the central point F and outer ring 41 that are equivalent to inner ring 42 are not
The plane C residing for central point G of the plane B with outer ring 41 residing for the central point F of coincidence namely inner ring 42 is misaligned, but
Every setting.This can make that pre-pressing can be generated on engagement direction after being arranged adjustment mechanism 40 in the first end 31 of worm screw 30
Power automatically eliminates the back lash of worm and gear.
In the present embodiment, elastic component element is set on the outer surface of inner ring 42, and in other embodiments, elastic element can be with
On the inner surface of outer ring.In addition, it should be noted that, the concrete structure of elastic element 43 is not limited, as long as elastic element
43 can generate radial compacting force after between inner ring 42 and outer ring 41.
The present invention also provides a kind of automobiles, including the deceleration mechanism described in above-described embodiment.
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (12)
1. a kind of adjustment mechanism of worm gear worm backlash, which is characterized in that including：
Outer ring；
There is gap, the inner surface of the outer surface of the inner ring and the outer ring radially with the outer ring in the inner ring of open loop
It is fixedly connected, the elastic element that can generate radial compacting force is equipped between the inner ring and outer ring；
First protrusion of elastic material is set to the inner surface of the outer ring, opening of first protrusion close to the inner ring；
Second protrusion of elastic material, is set to the outer surface of the inner ring, opposite with first protrusion and exist radially
Gap.
2. adjustment mechanism as described in claim 1, which is characterized in that first protrusion is circumferentially.
3. adjustment mechanism as described in claim 1, which is characterized in that second protrusion is circumferentially.
4. adjustment mechanism as claimed in claim 3, which is characterized in that along the direction far from the opening, second protrusion
Diametrical thickness gradually increases.
5. adjustment mechanism as described in claim 1, which is characterized in that the part of the opening circumferential direction both sides of the inner ring is equal
Equipped with second protrusion.
6. adjustment mechanism as described in claim 1, which is characterized in that the material of the inner ring and the outer ring is engineering plastics
Or resin material.
7. adjustment mechanism as described in claim 1, which is characterized in that first protrusion and the second raised material are
Engineering plastics or resin material.
8. adjustment mechanism as described in claim 1, which is characterized in that the outer surface of the inner ring is at least provided with circumferentially
The first groove and the second groove, in an axial direction, first groove and the second groove interval setting, it is described second protrusion be located at institute
It states between the first groove and second groove；
It is respectively equipped with the elastic element in first groove and second groove.
9. adjustment mechanism as claimed in claim 8, which is characterized in that the elastic element is clamp spring.
10. a kind of deceleration mechanism, which is characterized in that including：
Shell, the shell have worm gear installation cavity and worm screw installation cavity；
Worm gear is installed on the worm gear installation cavity；
Worm screw is installed on the worm screw installation cavity, the worm gear and worm screw intermeshing, and in an axial direction, the worm screw has first
End and second end；
Claim 1-9 any one of them adjustment mechanisms, the outer ring and the cavity wall of the worm screw installation cavity offset, and described
One end and/or the second end are arranged with bearing, and the inner ring is sheathed on the peripheral surface of the bearing.
11. deceleration mechanism as claimed in claim 10, which is characterized in that the deceleration mechanism is electric boosting steering system,
The shell is steering gear housing.
12. a kind of automobile, which is characterized in that including the deceleration mechanism described in claim 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309280.8A CN108799477B (en) | 2017-05-04 | 2017-05-04 | Adjusting mechanism for meshing clearance of worm and gear, speed reducing mechanism and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710309280.8A CN108799477B (en) | 2017-05-04 | 2017-05-04 | Adjusting mechanism for meshing clearance of worm and gear, speed reducing mechanism and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108799477A true CN108799477A (en) | 2018-11-13 |
| CN108799477B CN108799477B (en) | 2021-11-16 |
Family
ID=64054758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710309280.8A Active CN108799477B (en) | 2017-05-04 | 2017-05-04 | Adjusting mechanism for meshing clearance of worm and gear, speed reducing mechanism and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799477B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163374A1 (en) * | 2006-01-13 | 2007-07-19 | Jtekt Corporation | Electric power steering apparatus |
| JP2010047106A (en) * | 2008-08-21 | 2010-03-04 | Nsk Ltd | Electric power steering device |
| CN202089102U (en) * | 2011-05-06 | 2011-12-28 | 豫北(新乡)汽车动力转向器有限公司 | Automatic adjustment mechanism for gap of worm wheel and worm of electric power steering gear of automobile |
| CN203717841U (en) * | 2014-02-26 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Radial clearance eliminating structure and worm and gear clearance eliminating structure |
| US20150053034A1 (en) * | 2012-04-12 | 2015-02-26 | Zf Lenksysteme Gmbh | Floating bearing for a steering gear |
| CN105564495A (en) * | 2014-11-05 | 2016-05-11 | 上海汽车集团股份有限公司 | Electric power steering system and vehicle |
| CN106080751A (en) * | 2015-04-30 | 2016-11-09 | 株式会社捷太格特 | Worm reduction gear and transfer |
| CN206031465U (en) * | 2016-09-26 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Snail rod support structure and electric power steering system |
-
2017
- 2017-05-04 CN CN201710309280.8A patent/CN108799477B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163374A1 (en) * | 2006-01-13 | 2007-07-19 | Jtekt Corporation | Electric power steering apparatus |
| JP2010047106A (en) * | 2008-08-21 | 2010-03-04 | Nsk Ltd | Electric power steering device |
| CN202089102U (en) * | 2011-05-06 | 2011-12-28 | 豫北(新乡)汽车动力转向器有限公司 | Automatic adjustment mechanism for gap of worm wheel and worm of electric power steering gear of automobile |
| US20150053034A1 (en) * | 2012-04-12 | 2015-02-26 | Zf Lenksysteme Gmbh | Floating bearing for a steering gear |
| CN203717841U (en) * | 2014-02-26 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Radial clearance eliminating structure and worm and gear clearance eliminating structure |
| CN105564495A (en) * | 2014-11-05 | 2016-05-11 | 上海汽车集团股份有限公司 | Electric power steering system and vehicle |
| CN106080751A (en) * | 2015-04-30 | 2016-11-09 | 株式会社捷太格特 | Worm reduction gear and transfer |
| CN206031465U (en) * | 2016-09-26 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Snail rod support structure and electric power steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108799477B (en) | 2021-11-16 |
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