CN106080747A - For improving the device and method in rack and pinion steering gear service life - Google Patents
For improving the device and method in rack and pinion steering gear service life Download PDFInfo
- Publication number
- CN106080747A CN106080747A CN201610389764.3A CN201610389764A CN106080747A CN 106080747 A CN106080747 A CN 106080747A CN 201610389764 A CN201610389764 A CN 201610389764A CN 106080747 A CN106080747 A CN 106080747A
- Authority
- CN
- China
- Prior art keywords
- rack
- sleeve
- shock
- tooth bar
- rubber sleeve
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/12—Steering gears mechanical of rack-and-pinion type
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3807—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by adaptations for particular modes of stressing
Abstract
The invention discloses the device for improving rack and pinion steering gear service life, described steering gear includes housing and the tooth bar being located in described housing, described tooth bar one end is compressed by rack support briquetting, described housing is provided with installing hole, is provided with the shock-absorption rubber sleeve being bolted with described subframe in described installing hole；Described shock-absorption rubber sleeve includes inner metal set and outside metallic sheath, also including that shock-absorption rubber sleeve and described subframe are in the middle part rubber sleeve of forced compression state by bolt when being locked, described middle part rubber sleeve is located between described inner metal set and outside metallic sheath；It is provided with rack bush and the tooth bar block contacting with described rack bush between the described tooth bar other end and housing；Described rack bush inwall and described rack gap coordinate, and described rack bush outer wall is provided with the O-ring with inner walls interference fit；The present invention can greatly reduce impact endurance test shock, improves the service life of steering gear；Improve drive safety simultaneously.
Description
Technical field
The present invention relates to steering gear, be particularly used for improving device and the side in rack and pinion steering gear service life
Method.
Background technology
The installation of rack and pinion steering gear is realized by housing and the subframe connection of steering gear, the housing of steering gear
It is provided with the installing hole being bolted with subframe.Owing to, in vehicle travel process, there is impact endurance test shock, the shell of steering gear
The mode that body and subframe are directly connected to, impact endurance test shock can be delivered on hand, the phenomenon of steering wheel hired roughneck occur, affect vehicle and turn
To comfortableness.In prior art, by by way of arranging shock-absorbing sleeve in installing hole, to reduce impact endurance test shock.Shock-absorbing sleeve is by interior
Side metallic sheath and outer rubber set are constituted, and inner metal set and bolt connect, and outer rubber set provides damping, buffering effect.This
The structure of shock-absorbing sleeve, can only provide cushioning effect at horizontal (i.e. in X/Y plane), crosses at vehicle and jolts or during the poor section of road conditions,
Impact endurance test shock is bigger, it is impossible to provide effective cushioning effect, when impact endurance test shock power can not effectively be alleviated, can affect making of steering gear
Use the life-span；When the simultaneously existing shock-absorbing sleeve structure turning to machine is in z-direction by greater impact, there is shock-absorbing sleeve from turning to casing
The risk that body installing hole departs from.
Supporting in addition, the tooth bar two ends of rack and pinion steering gear need to position, tooth bar is when mobile, and tooth bar and positioning are tied
CONTACT WITH FRICTION between structure.In prior art, tooth bar one end is compressed by rack support briquetting, and the tooth bar other end is drawn a circle to approve by plastic sheath
Position.The location structure of plastic ferrule, does not simply fails to realize that the small-gap suture between tooth bar and housing coordinates, plastic ferrule shock resistance simultaneously
Ability is poor, causes tooth bar to move unstable, and discontinuity is easily worn and torn, and affects the service life of tooth bar.Other plastic sheath
Cylinder finite elastic, when tooth bar moves and plastic ferrule serious wear, strong influence service life of tooth bar.
Content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, provide strong shock resistance, being greatly improved steering gear makes
With the device and method for improving rack and pinion steering gear service life in life-span.
To achieve these goals, the technical solution used in the present invention is:
This is used for improving the device in rack and pinion steering gear service life, and described steering gear includes housing and is located at described
Tooth bar in housing, described tooth bar one end is compressed by rack support briquetting, and described housing is provided with installing hole, described installing hole
It is inside provided with the shock-absorption rubber sleeve being bolted with described subframe；Described shock-absorption rubber sleeve includes that inner metal overlaps and outside
Metallic sheath, also includes that shock-absorption rubber sleeve and described subframe are in the middle part rubber of forced compression state by bolt when being locked
Set, described middle part rubber sleeve is located between described inner metal set and outside metallic sheath；Between the described tooth bar other end and housing
It is provided with rack bush and the tooth bar block contacting with described rack bush；Described rack bush inwall and described rack gap are joined
Closing, described rack bush outer wall is provided with the O-ring with inner walls interference fit.
Described shock-absorption rubber sleeve is a pair, and in described installing hole, the inner metal set of a pair shock-absorption rubber sleeve compresses mutually and connects
Touch.
Described middle part rubber sleeve includes gum sleeve, and end, described gum sleeve one end is provided with rubber round platform, described rubber
The sleeve pipe other end is provided with a pair notch.
The inner metal set round platform that described inner metal set is stretched out by inside sleeve and end, inside sleeve one end is constituted；Institute
The outside metallic sheath round platform that outside stating, metallic sheath is stretched out by outer side sleeve and end, outer side sleeve one end is constituted；Described inside sleeve
The inner metal set round platform of one end is pressed on the rubber round platform of described gum sleeve one end, and described rubber round platform is pressed in described outside
On the outside metallic sheath round platform of sleeve pipe one end；Described rubber round platform is provided with recessed with the installation of described inner metal set round platform adaptation
Groove；Described outer side sleeve other end end is concordant with gum sleeve other end end, and described inside sleeve other end end is stretched out
Described outer side sleeve and gum sleeve.
Described plantation rubber edge of table is provided with a pair protuberance.
The radian of described notch is 80 degree.
Described outside metallic sheath and described installing hole interference fit.
Described rack bush is provided with U-type groove mouth and inverted U notch；Described U-type groove mouth and inverted U notch are arranged in order cloth
Put and be evenly distributed on rack bush.
Described rack bush is provided with two annular grooves for installing O-ring.
This is used for the method improving rack and pinion steering gear service life, utilizes above-mentioned for improving pinion and-rack
The device in steering gear service life realizes, particularly as follows:
Tooth bar one end by rack support briquetting compression after, load onto between the tooth bar other end and housing rack bush and and
The tooth bar block that rack bush contacts；Rack bush inwall and rack gap coordinate, and rack bush outer wall is provided with and housing
The O-ring of inwall interference fit, it is achieved the small-gap suture of tooth bar and rack bush coordinates, reduces the impact endurance test shock of tooth bar, improves tooth
The service life of bar；
It is arranged on a pair shock-absorption rubber sleeve in installing hole, the outside metal tube of a pair shock-absorption rubber sleeve and installing hole interference
Coordinating, the inside sleeve of a pair shock-absorption rubber sleeve is oppositely arranged, and leaves, between the inside sleeve of a pair shock-absorption rubber sleeve, gap of stepping down；
Penetrate bolt in the connecting hole of shock-absorption rubber sleeve and subframe；Firmly clamping screw, the inside sleeve of a pair shock-absorption rubber sleeve
It is pressed into contact with mutually, middle part rubber sleeve forced compression；The inside sleeve of shock-absorption rubber sleeve is pressed into contact with mutually with connecting hole edge, middle part
Rubber sleeve forced compression；When vehicular impact vibrations are big, middle part rubber sleeve releases energy with shock absorbing shaking force, and raising turns to
Device service life.
It is an advantage of the current invention that: this is used for improving the device and method in rack and pinion steering gear service life, damping
Rubber sleeve is arranged in the installing hole that housing and subframe connect, and when connecting due to housing and subframe, middle part rubber sleeve is in
Forced compression state；Shock-absorption rubber sleeve can provide reliably outside cushioning effect on XY direction, has served as bumpy sections, impact endurance test shock
When bigger, yielding rubber is enclosed within installing hole centerline direction, can provide great cushioning effect, Neng Gou great i.e. in z-direction
Big minimizing impact endurance test shock, improves the service life of steering gear；Avoid shock-absorbing sleeve from turning to machine shell bores to depart from simultaneously
Risk, improve drive safety.
Rack bush and tooth bar block are sleeved on tooth bar；Rack bush inwall and tooth bar tight fit, rack bush outer wall
O-ring be elastic rubber ring, O-ring and steering gear housing tight fit, it is achieved the small-gap suture of tooth bar and steering gear housing coordinates；
And then realize that the small-gap suture between transmission, setting element and housing coordinates, reduce impact endurance test shock and the abnormal sound of tooth bar, reduce mill
Damage, improve the service life of tooth bar.
Brief description
Mark in the content expressed description of the invention each width accompanying drawing below and figure is briefly described:
Fig. 1 is the present invention for improving the mounting structure schematic diagram of the device in rack and pinion steering gear service life.
Fig. 2 is Fig. 1 for improving the putting of rack bush mounting portion of the device in rack and pinion steering gear service life
Big structural representation.
Fig. 3 is the present invention for improving the master of shock-absorption rubber sleeve of the device in rack and pinion steering gear service life depending on showing
It is intended to.
Fig. 4 is the present invention to be shown for the backsight improving the shock-absorption rubber sleeve of the device in rack and pinion steering gear service life
It is intended to.
Fig. 5 is the present invention for improving the section view of the shock-absorption rubber sleeve of the device in rack and pinion steering gear service life
Figure.
Fig. 6 is the present invention regards signal for the master improving the rack bush of the device in rack and pinion steering gear service life
Figure.
Fig. 7 is the present invention for improving the backsight signal of the rack bush of the device in rack and pinion steering gear service life
Figure.
Fig. 8 is the present invention for improving the side-looking signal of the rack bush of the device in rack and pinion steering gear service life
Figure.
Mark in above-mentioned figure is:
1st, inner metal set, the 2nd, middle part rubber sleeve, the 3rd, outside metallic sheath, the 4th, inner metal set round platform, the 5th, rubber round platform, the 6th,
Outside metallic sheath round platform, the 7th, notch, the 8th, protuberance, the 9th, inside sleeve, the 10th, gum sleeve, the 11st, outer side sleeve, the 12nd, housing, the 13rd,
Shock-absorption rubber sleeve, the 14th, tooth bar, the 15th, rack bush, the 16th, tooth bar block, the 17th, O-ring, the 18th, U-type groove mouth, the 19th, inverted U notch,
20th, end face round platform, the 21st, annular groove, the 22nd, rack support briquetting.
Detailed description of the invention
Below against accompanying drawing, by the description to optimum embodiment, the detailed description of the invention of the present invention is made further in detail
Thin explanation.
As Figure 1-Figure 5, this is used for improving the device in rack and pinion steering gear service life, and steering gear includes housing
12 and the tooth bar 14 be located in housing 12, tooth bar 14 one end is compressed by rack support briquetting 22, and housing 12 is provided with installing hole,
It is provided with the shock-absorption rubber sleeve 13 being bolted with subframe in installing hole；Shock-absorption rubber sleeve 13 includes inner metal set 1 He
Outside metallic sheath 3, also includes that shock-absorption rubber sleeve 13 and subframe are in the middle part rubber of forced compression state by bolt when being locked
Gum cover 2, middle part rubber sleeve 2 is located between inner metal set 1 and outside metallic sheath 3；Set between tooth bar 14 other end and housing 12
Have rack bush 15 and the tooth bar block 16 contacting with rack bush 15；Rack bush 15 inwall and tooth bar 14 matched in clearance,
Rack bush 15 outer wall is provided with the O-ring 17 with housing 12 inwall interference fit.
Shock-absorption rubber sleeve 13 is a pair, and in installing hole, inner metal set 1 phase of a pair shock-absorption rubber sleeve 13 is pressed into contact with.Subtract
Shake rubber sleeve 13 is a pair, and the inner metal set 1 of a pair shock-absorption rubber sleeve 13 is oppositely arranged, before bolt locking, and a pair damping rubber
The gap of stepping down in rubber sleeve 2 forced compression space in the middle part of providing when being provided with bolt locking between the inner metal set 1 of gum cover 13.Bolt
During locking, gap of stepping down gradually becomes 0, and inner metal set 1 phase of a pair shock-absorption rubber sleeve 13 is pressed into contact with, middle part rubber sleeve 2
It is in stress its pre-compressed state.The middle part rubber sleeve 2 of a pair shock-absorption rubber sleeve 13 is in the state of forced compression, its shock resistance
Very capable.When vehicular impact vibrations are big, middle part rubber sleeve 2 releases energy with shock absorbing shaking force, stops impact endurance test shock
Power is delivered on hand, improves driver comfort.
Rack bush 15 and tooth bar block 16 are sleeved on tooth bar 14；Rack bush 15 inwall and tooth bar 14 matched in clearance；
The O-ring 17 of rack bush 15 outer wall is elastic rubber ring, and rack bush 15 elastic performance is good, O-ring 17 and housing 12 close-fitting
Close, it is achieved the small-gap suture of tooth bar 14 and housing 12 coordinates；And then realize that the small-gap suture between transmission, setting element and housing is joined
Close；Reduce the impact endurance test shock of tooth bar 14, improve mobile stationarity and the impact resistance of tooth bar 14, improve the use longevity of tooth bar 14
Life；The good springiness of rack bush 15 simultaneously, impact resistance is good, can effectively reduce the mill between tooth bar 14 and rack bush 15
Damage, improve the service life of tooth bar 14.
Inner metal set 1 and outside metallic sheath 3 are rigid structure, and structure is reliable, using the teaching of the invention it is possible to provide reliable and stable connection is made
With；Inner metal set the 1st, outside metallic sheath 3 and the middle part rubber sleeve 2 of a pair shock-absorption rubber sleeve 13 combine, and provide reliably secure
Cushioning effect；Inner metal set 1 compression housing 12 during bolt locking, it is to avoid shock-absorbing sleeve is from turning to the machine shell bores to depart from
Risk, improve the drive safety of automobile.
Middle part rubber sleeve 2 includes gum sleeve 10, and end, gum sleeve 10 one end is provided with rubber round platform 5, gum sleeve 10
The other end is provided with a pair notch 7.A pair notch 7 on gum sleeve 10, when middle part rubber sleeve 2 forced compression, provides reliable
Expansion space so that gum sleeve 10 is in reliable stress impaction state.
The inner metal set round platform 4 that inner metal set 1 is stretched out by inside sleeve 9 and end, inside sleeve 9 one end is constituted；Outward
The outside metallic sheath round platform 6 that side metallic sheath 3 is stretched out by outer side sleeve 11 and end, outer side sleeve 11 one end is constituted.
The inner metal set round platform 4 of inside sleeve 9 one end is pressed on the rubber round platform 5 of gum sleeve 10 one end, plantation rubber
Platform 5 is pressed on the outside metallic sheath round platform 6 of outer side sleeve 11 one end；Rubber round platform 5 is provided with and is adapted to inner metal set round platform 4
Installation groove；Outer side sleeve 11 other end end is concordant with gum sleeve 10 other end end, inside sleeve 9 other end end
Stretch out outer side sleeve 11 and gum sleeve 10.
The special construction of inner metal set the 1st, outside metallic sheath 3 and middle part rubber sleeve 2, not only structure is reliable, and can carry
The reliable shock absorbing effect of high stable.Inner metal set round platform the 4th, rubber round platform 5 and the structure of outside metallic sheath round platform 6, no
Only make inner metal set the 1st, outside metallic sheath 3 and middle part rubber sleeve 2 connect reliably, and make shock-absorption rubber sleeve 13 when assembling
Easy to assembly.Inside sleeve 9 stretches out outer side sleeve 11 and gum sleeve 10, when shock-absorption rubber sleeve 13 and bolt connect, provides
Reliable stress surface, to guarantee that gum sleeve 10 is in reliable stress impaction state.
Preferably, rubber round platform 5 edge is provided with a pair protuberance 8, and protuberance 8 plays the effect of mark, it is simple to
Assembling.
Preferably, the radian of notch 7 is 80 degree；The design of this structure, middle part rubber sleeve 2 structure is reliable, in
Portion's rubber sleeve 2 can provide reliable and stable cushioning effect.
Housing 12 and subframe connect, and during bolt locking, inner metal set round platform 4 large area of inner metal set 1 compresses shell
Body 12, further avoid shock-absorbing sleeve from the risk turning to machine shell bores to depart from, improves the drive safety of automobile.
Outside metallic sheath 3 and installing hole interference fit.Outside metallic sheath 3 and installing hole be reliably connected, improve steering gear and
The installation reliability of subframe, extends the service life of steering gear.
The end, one end of outer side sleeve 11 and gum sleeve 10 flush is equipped with the guiding conical surface；Guide the conical surface and be located at outside
The outer wall of sleeve pipe 11, inside gum sleeve 10 and outside is the guiding conical surface of adaptation.The setting guiding the conical surface facilitates damping rubber
The installation of gum cover 13.
1st, middle part rubber sleeve 2 and outside metallic sheath 3 are molded into integrative-structure to inner metal set.Inner metal set the 1st, middle part rubber
Gum cover 2 and outside metallic sheath 3 integrated injection forming, structure is reliable.
As Figure 6-Figure 8, rack bush 15 is provided with U-type groove mouth 18 and inverted U notch 19；U-type groove mouth 18 and inverted U
Notch 19 is arranged in order arrangement and is evenly distributed on rack bush 15.U-type groove mouth 18 and inverted U notch 19 make rack bush 15
There is fine elasticity, reduce the impact on tooth bar 14 for the impact endurance test shock further, improve the service life of tooth bar 14.U-type groove mouth
18 and inverted U notch 19 be arranged in order arrangement so that while rack bush 15 has favorable elasticity, Stability Analysis of Structures is reliable.
The end face round platform 20 that rack bush 15 one end is provided with tooth bar block 16 is pressed into contact with mutually.End face round platform 20 and tooth
Bar block 16 bump contact, increases contact area, improves intensity and the structural reliability of rack bush 15, improves anti-further
The ability of impact.
Rack bush 15 is provided with two annular grooves 21 for installing O-ring 17.O-ring 17 is two, passes through ring
Connected in star 21 is arranged on rack bush 15, it is achieved the reliable fit of rack bush 15 and housing 12, and then realizes tooth bar 14 He
The small-gap suture of housing 12 coordinates.
Housing 12 inwall is provided with the installation step installing rack bush 15 and tooth bar block 16.Installation step facilitates tooth bar to serve as a contrast
Set 15 and the installation of tooth bar block 16, improve reliability of structure.
This is used for the method improving rack and pinion steering gear service life, utilizes above-mentioned for improving pinion and-rack
The device in steering gear service life realizes, particularly as follows:
After tooth bar 14 one end is by rack support briquetting 22 compression, between tooth bar 14 other end and housing 12, load onto tooth bar
Lining 15 and the tooth bar block 16 contacting with rack bush 15；Rack bush 15 inwall and tooth bar 14 matched in clearance, tooth bar serves as a contrast
Overlap 15 outer walls and be provided with the O-ring 17 with housing 12 inwall interference fit, it is achieved the small-gap suture of tooth bar 14 and housing 12 coordinates, and subtracts
The impact endurance test shock of few tooth bar 14, improves the service life of tooth bar 14；
It is arranged on a pair shock-absorption rubber sleeve 13 in installing hole, the outside metal tube of a pair shock-absorption rubber sleeve 13 and installing hole
Interference fit, the inside sleeve of a pair shock-absorption rubber sleeve 13 is oppositely arranged, and leaves between the inside sleeve of a pair shock-absorption rubber sleeve 13
Step down gap；Penetrate bolt in the connecting hole of shock-absorption rubber sleeve 13 and subframe；Firmly clamping screw, a pair shock-absorption rubber sleeve
The inside sleeve phase of 13 is pressed into contact with, middle part rubber sleeve 2 forced compression；When vehicular impact vibrations are big, middle part rubber sleeve 2 discharges
Energy with shock absorbing shaking force, improves steering gear service life.
The present invention is for improving the device and method in rack and pinion steering gear service life, due to housing 12 and subframe
During connection, middle part rubber sleeve 2 is in forced compression state；Shock-absorption rubber sleeve 13 can provide reliably cushioning effect on XY direction
Outward, having served as bumpy sections, when impact endurance test shock is bigger, shock-absorption rubber sleeve 13, at installing hole centerline direction, i.e. in z-direction can
Great cushioning effect is provided, can greatly reduce impact endurance test shock, the service life of steering gear can be greatly improved；Keep away simultaneously
Exempt from shock-absorbing sleeve from the risk turning to machine shell bores to depart from, raising drive safety.
Further, realize that the small-gap suture of tooth bar 14 and housing 12 coordinates by rack bush 15, so realize transmission,
Small-gap suture between setting element and housing coordinates, and can greatly reduce impact endurance test shock when tooth bar 14 works and abnormal sound, improves tooth
The service life of bar 14, and then improve the service life of steering gear.
The obvious present invention implements and is not subject to the restrictions described above, as long as have employed method design and the skill of the present invention
The improvement of the various unsubstantialities that art scheme is carried out, all within protection scope of the present invention.
Claims (10)
1., for improving the device in rack and pinion steering gear service life, described steering gear includes housing and is located at described housing
Interior tooth bar, described tooth bar one end is compressed by rack support briquetting, and described housing is provided with installing hole, it is characterised in that: institute
It is provided with the shock-absorption rubber sleeve being bolted with described subframe in stating installing hole；Described shock-absorption rubber sleeve includes inner metal
Set and outside metallic sheath, also include that shock-absorption rubber sleeve and described subframe are in forced compression state when being locked by bolt
Portion's rubber sleeve, described middle part rubber sleeve is located between described inner metal set and outside metallic sheath；The described tooth bar other end and shell
It is provided with rack bush and the tooth bar block contacting with described rack bush between body；Described rack bush inwall and described tooth bar
Matched in clearance, described rack bush outer wall is provided with the O-ring with inner walls interference fit.
2. the device for improving rack and pinion steering gear service life as claimed in claim 1, it is characterised in that: described
Shock-absorption rubber sleeve is a pair, and in described installing hole, the inner metal set of a pair shock-absorption rubber sleeve is pressed into contact with mutually.
3. the device for improving rack and pinion steering gear service life as claimed in claim 1 or 2, it is characterised in that:
Described middle part rubber sleeve includes gum sleeve, and end, described gum sleeve one end is provided with rubber round platform, described gum sleeve another
End is provided with a pair notch.
4. the device for improving rack and pinion steering gear service life as described in claim 1 or 2 or 3, its feature exists
In: the inner metal set round platform that described inner metal set is stretched out by inside sleeve and end, inside sleeve one end is constituted；Outside described
The outside metallic sheath round platform that side metallic sheath is stretched out by outer side sleeve and end, outer side sleeve one end is constituted；Described inside sleeve one end
Inner metal set round platform be pressed on the rubber round platform of described gum sleeve one end, described rubber round platform is pressed in described outer side sleeve
On the outside metallic sheath round platform of one end；Described rubber round platform is provided with the installation groove with described inner metal set round platform adaptation；
Described outer side sleeve other end end is concordant with gum sleeve other end end, and described inside sleeve other end end is stretched out described
Outer side sleeve and gum sleeve.
5. the device for improving rack and pinion steering gear service life as described in any one of claim 2-4, its feature
It is: described plantation rubber edge of table is provided with a pair protuberance.
6. the device for improving rack and pinion steering gear service life as described in any one of claim 2-4, its feature
It is: the radian of described notch is 80 degree.
7. the device for improving rack and pinion steering gear service life as described in any one of claim 1-6, its feature
It is: described outside metallic sheath and described installing hole interference fit.
8. the device for improving rack and pinion steering gear service life as described in any one of claim 1-7, its feature
It is: described rack bush is provided with U-type groove mouth and inverted U notch；Described U-type groove mouth and inverted U notch are arranged in order arrangement
It is evenly distributed on rack bush.
9. the device for improving rack and pinion steering gear service life as described in any one of claim 1-8, its feature
It is: described rack bush is provided with two annular grooves for installing O-ring.
10. for the method that improves rack and pinion steering gear service life, utilize described in any one of claim 1-9 for
The device improving rack and pinion steering gear service life realizes, it is characterised in that: particularly as follows:
After tooth bar one end is by rack support briquetting compression, between the tooth bar other end and housing, load onto rack bush and and tooth bar
The tooth bar block that lining contacts；Rack bush inwall and rack gap coordinate, and rack bush outer wall is provided with and inner walls
The O-ring of interference fit, it is achieved the small-gap suture of tooth bar and rack bush coordinates, reduces impact endurance test shock and the abnormal sound of tooth bar, improves
The service life of tooth bar；
Being arranged on a pair shock-absorption rubber sleeve in installing hole, outside metal tube and the installing hole interference of a pair shock-absorption rubber sleeve are joined
Closing, the inside sleeve of a pair shock-absorption rubber sleeve is oppositely arranged, and leaves, between the inside sleeve of a pair shock-absorption rubber sleeve, gap of stepping down；?
Bolt is penetrated in the connecting hole of shock-absorption rubber sleeve and subframe；Firmly clamping screw, the inside sleeve phase of a pair shock-absorption rubber sleeve
It is pressed into contact with, middle part rubber sleeve forced compression；When vehicular impact vibrations are big, middle part rubber sleeve releases energy with shock absorbing shake
Power, improves steering gear service life.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389764.3A CN106080747A (en) | 2016-06-04 | 2016-06-04 | For improving the device and method in rack and pinion steering gear service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389764.3A CN106080747A (en) | 2016-06-04 | 2016-06-04 | For improving the device and method in rack and pinion steering gear service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106080747A true CN106080747A (en) | 2016-11-09 |
Family
ID=57447574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389764.3A Pending CN106080747A (en) | 2016-06-04 | 2016-06-04 | For improving the device and method in rack and pinion steering gear service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106080747A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588141A (en) * | 2017-10-19 | 2018-01-16 | 开平市华胜五金橡胶厂 | A kind of vertical support pad |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161434A (en) * | 1998-11-20 | 2000-06-16 | Toyo Tire & Rubber Co Ltd | Vibration proof bush |
| WO2007125647A1 (en) * | 2006-04-24 | 2007-11-08 | Oiles Corporation | Rack and pinion type steering apparatus |
| CN201534563U (en) * | 2009-11-19 | 2010-07-28 | 芜湖世特瑞转向系统有限公司 | Novel rack bushing structure |
| CN202038359U (en) * | 2011-03-29 | 2011-11-16 | 芜湖世特瑞转向系统有限公司 | Gear rack type automobile steering engine rack locating mechanism |
| CN202243616U (en) * | 2011-09-29 | 2012-05-30 | 重庆长安汽车股份有限公司 | Mounting lining for diverter |
| CN203126958U (en) * | 2013-01-10 | 2013-08-14 | 浙江吉利汽车研究院有限公司杭州分公司 | Shock absorption sleeves of steering gear installing support |
| CN203612047U (en) * | 2013-09-23 | 2014-05-28 | 芜湖世特瑞转向系统有限公司 | Damping structure of rack-and-pinion steering engine |
-
2016
- 2016-06-04 CN CN201610389764.3A patent/CN106080747A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161434A (en) * | 1998-11-20 | 2000-06-16 | Toyo Tire & Rubber Co Ltd | Vibration proof bush |
| WO2007125647A1 (en) * | 2006-04-24 | 2007-11-08 | Oiles Corporation | Rack and pinion type steering apparatus |
| CN201534563U (en) * | 2009-11-19 | 2010-07-28 | 芜湖世特瑞转向系统有限公司 | Novel rack bushing structure |
| CN202038359U (en) * | 2011-03-29 | 2011-11-16 | 芜湖世特瑞转向系统有限公司 | Gear rack type automobile steering engine rack locating mechanism |
| CN202243616U (en) * | 2011-09-29 | 2012-05-30 | 重庆长安汽车股份有限公司 | Mounting lining for diverter |
| CN203126958U (en) * | 2013-01-10 | 2013-08-14 | 浙江吉利汽车研究院有限公司杭州分公司 | Shock absorption sleeves of steering gear installing support |
| CN203612047U (en) * | 2013-09-23 | 2014-05-28 | 芜湖世特瑞转向系统有限公司 | Damping structure of rack-and-pinion steering engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588141A (en) * | 2017-10-19 | 2018-01-16 | 开平市华胜五金橡胶厂 | A kind of vertical support pad |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202518055U (en) | Upper support assembly of automobile shock absorber | |
| CN206984002U (en) | Elastic component, bogie and rail vehicle | |
| CN105946964A (en) | Pinion and rack type steering machine | |
| CN105864334A (en) | Gear and rack type steering gear damping structure and mounting method thereof | |
| CN106080747A (en) | For improving the device and method in rack and pinion steering gear service life | |
| CN102774261A (en) | Shock-absorbing device for engine support | |
| CN202225935U (en) | Crawler tensioning device | |
| CN201619415U (en) | Independent axle suspension chassis for central axle type truck trailers | |
| CN203267777U (en) | Anti-twist vibration-absorbing device of auto gearbox | |
| CN202301732U (en) | Automotive shock absorber with shock resistance | |
| CN205905699U (en) | Hub structure of shock absorber upper bracket behind car | |
| CN203431088U (en) | Rubber support for automobile damper | |
| CN203142964U (en) | Front suspension device of rear engine of right three-wheeled motorcycle | |
| CN102720830B (en) | The embedded rubber bearing vibration damper of gearbox | |
| CN203272562U (en) | Rubber connecting rod of auto absorber | |
| CN207349344U (en) | Bump leveller and vehicle | |
| CN206268360U (en) | A kind of shock absorber top glue and top glue mounting structure | |
| CN105966451A (en) | Device and method used for improving steering comfort of rack and pinion steering gear | |
| CN102485581A (en) | Bicycle frame capable of damping | |
| CN203892432U (en) | Shock absorber and car | |
| CN105923043A (en) | Shock absorption structure of rack and pinion steering gear and installation method of shock absorption structure | |
| CN214729405U (en) | Vehicle front fork with compound shock absorber | |
| CN201895741U (en) | Bicycle frame with shock-absorbing effect | |
| CN210318325U (en) | Rear shock absorber with knuckle bearing | |
| CN203666318U (en) | Suspension structure for automobile chassis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
|
| RJ01 | Rejection of invention patent application after publication |