CN108128347A - A kind of supporting and limiting device and method for supporting of rack-and-pinion manual steering gear - Google Patents
A kind of supporting and limiting device and method for supporting of rack-and-pinion manual steering gear Download PDFInfo
- Publication number
- CN108128347A CN108128347A CN201711396337.9A CN201711396337A CN108128347A CN 108128347 A CN108128347 A CN 108128347A CN 201711396337 A CN201711396337 A CN 201711396337A CN 108128347 A CN108128347 A CN 108128347A
- Authority
- CN
- China
- Prior art keywords
- bushing
- baffle ring
- rack
- wall
- supporting
- 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
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
Abstract
The invention discloses a kind of supporting and limiting devices and method for supporting of rack-and-pinion manual steering gear, the supporting and limiting device of rack-and-pinion manual steering gear, the steering gear includes housing and rack, the support limit mechanism includes the bushing and bushing baffle ring that are set between the rack and the housing, described bushing baffle ring one end is sleeved on the bushing, the other end of the bushing baffle ring is sleeved on buffering baffle ring, and the buffering shield ring sleeve is on the rack；The bushing inner wall is set on oil storage tank, the bushing inner wall and rack outer wall interference fit；The bushing baffle ring inner wall is equipped with sleeve of the empty set on the rack, the bushing baffle ring inner wall is located at sleeve side and is equipped with the first installation step for installing the bushing, and the bushing baffle ring inner wall is located at sleeve opposite side and is equipped with and second installation step for buffering baffle ring cooperation；Present invention process is stablized, and supports good reliability.
Description
Technical field
The present invention relates to automobile steering devices, and in particular to the supporting and limiting device of rack-and-pinion manual steering gear and support side
Method.
Background technology
In order to improve the service life of rack-and-pinion manual steering gear and steering, rack and pinion steering gear is in the machine of progress
When tool steering assembly designs, it will usually design a kind of supporting and limiting device to realize reduction frictional force, support the purpose of rack.
Common supporting and limiting device is embedding in the housing there is usually one bushing, to realize the purpose of support rack.It is such simple
Supporting and limiting device, technique is unstable during assembling, and is easy to cause quality problems.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of process stabilizings, support the tooth of good reliability
Take turns the supporting and limiting device and method for supporting of rack manual steering gear.
To achieve these goals, the technical solution adopted by the present invention is：
The supporting and limiting device of this kind of rack-and-pinion manual steering gear, the steering gear include housing and rack, the branch
It supports position-limit mechanism and includes the bushing and bushing baffle ring that are set between the rack and the housing, bushing baffle ring one end suit
On the bushing, the other end of the bushing baffle ring is sleeved on buffering baffle ring, and the buffering shield ring sleeve is mounted in the rack
On；The bushing inner wall is set on oil storage tank, the bushing inner wall and rack outer wall interference fit；The bushing baffle ring inner wall
Sleeve equipped with empty set on the rack, the bushing baffle ring inner wall are located at first that sleeve side is equipped with the installation bushing
Installation step, the bushing baffle ring inner wall are located at the second installation step that sleeve opposite side is equipped with and the buffering baffle ring coordinates.
Second installation step is equipped with installation groove, and the bumper ring outer wall is equipped with and installation groove cooperation
Positioning protrusion；The buffering baffle ring is stuck on second installation step, and the positioning protrusion is caught in the installation groove.
The equal rounded corner in positioning protrusion both ends.
The positioning protrusion is set in the middle part of the bumper ring outer wall.
The method for supporting of rack-and-pinion manual steering gear is filled using the support limit of above-mentioned rack-and-pinion manual steering gear
It puts to realize, specially：
Upper bushing, bushing inner wall and rack outer wall interference fit are installed on the housing installation step of housing；Again by bushing
Shield ring sleeve is attached on rack, and the first installation step of bushing baffle ring is sleeved on bushing, and the bushing baffle ring end end is pressed on housing
On installation step；Buffering shield ring sleeve is attached on rack, buffering baffle ring is enforced, buffering baffle ring is made to be pressed onto bushing baffle ring
On second installation step of the other end, and the positioning protrusion buffered on baffle ring is caught in installation groove, realizes the reliable fixed of rack
Position support, when pull rod is moved to extreme position, baffle ring plays the role of reducing noise.
The advantage of the invention is that：Bushing baffle ring stationary bushing and buffering baffle ring, branch is formed after three's assembling in the present invention
Support structure can reach support rack, reduce frictional force, prevent steering gear from turning to clamping stagnation, pull rod limiting and the effect for reducing noise；
Its processing technology and assembly method simple possible, process stabilizing, solve that existing supporting and limiting device assembly technology is unstable, machine
Tool steering assembly abnormal sound turns to the problem of clamping stagnation.First installation step facilitates the installation of bushing to assemble, the second installation step side
Just the assembling of baffle ring is buffered, further improves bushing, bushing baffle ring and the assembling convenience and assembly reliability that buffer baffle ring.
Description of the drawings
Label in each width attached drawing is expressed to description of the invention below content and figure is briefly described：
Fig. 1 is the structure diagram of the supporting and limiting device of rack-and-pinion manual steering gear of the present invention.
Fig. 2 is the structure diagram of the bushing of the supporting and limiting device of rack-and-pinion manual steering gear of the present invention.
Fig. 3 is the bushing, bushing baffle ring and buffering baffle ring of the supporting and limiting device of rack-and-pinion manual steering gear of the present invention
Between assembling schematic diagram.
Fig. 4 is the structure diagram of the bushing baffle ring of the supporting and limiting device of rack-and-pinion manual steering gear of the present invention.
Fig. 5 is the structure diagram of the buffering baffle ring of the supporting and limiting device of rack-and-pinion manual steering gear of the present invention.
Label in above-mentioned figure is：
1st, bushing, 2, bushing baffle ring, 3, buffering baffle ring, 4, housing, 5, rack, 6, pull rod, 7, oil storage tank；
11st, guide surface, 12, chamfering, 13, round buss, 14, limited step；
21st, the first installation step, the 22, second installation step, 23, installation groove, 24, positioning protrusion, 25, be oriented to the conical surface,
26th, rear end is oriented to the conical surface；
31st, pull rod limiting buffer face；
41st, installation step.
Specific embodiment
Below against attached drawing, by the description to optimum embodiment, the specific embodiment of the present invention is made further detailed
Thin explanation.
As shown in Figure 1, the supporting and limiting device of this kind of rack-and-pinion manual steering gear, steering gear includes housing 4 and rack
5, support limit mechanism includes the bushing 1 and bushing baffle ring 2 that are set between rack 5 and housing 4, and 2 one end of bushing baffle ring is sleeved on
On bushing 1, the other end of bushing baffle ring 2 is sleeved on buffering baffle ring 3, and buffering baffle ring 3 is sleeved on rack 5.As shown in Fig. 2,
1 inner wall of bushing is equipped with oil storage tank 7,1 inner wall of bushing and 5 outer wall of rack interference fit.The endoporus of bushing 1 increases oil storage tank 7, lining
It covers 1 inner wall to be interference fitted with 5 outer circle of rack, plays the role of supporting rack 5, reduce support force of rubbing, prevent from turning to clamping stagnation.
2 stationary bushing 1 of bushing baffle ring and buffering baffle ring 3 can reach support rack 5, reduce frictional force, is anti-after three's assembling
Only steering gear turns to clamping stagnation, pull rod limiting and the effect for reducing noise, processing technology and assembly method simple possible, solves
Existing supporting and limiting device assembly technology is unstable, manual steering gear assembly abnormal sound, turns to the problem of clamping stagnation.Buffer 3 material of baffle ring
Expect for nonmetallic materials, to be capable of providing preferable cushioning effect.
For bushing 1 in housing 4 and bushing baffle ring 2,2 stationary bushing 1 of bushing baffle ring and buffering baffle ring 3, buffering baffle ring 3 are embedding
In bushing baffle ring 2,3 right side of buffering baffle ring is confined planes, and the material of buffering baffle ring 3 is nonmetallic materials.
Oil storage tank 7 is annular groove, and oil storage tank 7 is evenly distributed on 1 inner wall of bushing, the setting of oil storage tank 7, is provided reliable equal
Even lubricating action, the effect for further improve and reduce support force of rubbing, preventing from turning to clamping stagnation.
As shown in Figures 4 and 5,2 inner wall of bushing baffle ring is equipped with sleeve of the empty set on rack 5, and 2 inner wall of bushing baffle ring is located at
Sleeve side is equipped with the first installation step 21 of installation bushing 1, and 2 inner wall of bushing baffle ring is located at sleeve opposite side and is equipped with and bumper
Second installation step 22 of 3 cooperation of circle.First installation step 21 facilitates the installation of bushing 1 to assemble, 22 convenience of the second installation step
The assembling of baffle ring 3 is buffered, further improves bushing 1, bushing baffle ring 2 and the assembling convenience and assembly reliability that buffer baffle ring 3.
Second installation step 22 is equipped with installation groove 23, and 3 outer wall of buffering baffle ring is equipped with and what installation groove 23 coordinated determines
Position protrusion 24；Buffering baffle ring 3 is stuck on the second installation step 22, and positioning protrusion 24 is caught in installation groove 23.Positioning protrusion 24
With the cooperation of installation groove 23 so that the relatively reliable property of connection between buffering baffle ring 3 and bushing baffle ring 2, the two structural reliability
More preferably.
The equal rounded corner in 24 both ends of positioning protrusion plays guiding role in the assembly or disassembly for buffering baffle ring 3, facilitates buffering
The assembly or disassembly of baffle ring 3.
Positioning protrusion 24 is set in the middle part of buffering 3 outer wall of baffle ring；24 uniform force of positioning protrusion, must further improve bumper
The relatively reliable property of connection between circle 3 and bushing baffle ring 2.
3 empty set of baffle ring is buffered on rack 5；Improve reliable and stable cushioning effect.
1 one end of bushing is mounted on bushing baffle ring 2, and 1 other end inner wall of bushing is equipped with guide surface 11, and bushing 1 sets guide surface
The 11 end outer wall is equipped with chamfering 12.1 inner wall of bushing and rack 5 are interference fitted, and the setting of guide surface 11 on bushing 1 facilitates lining
The installation of set 1.Chamfering 12 on bushing 1 facilitates the assembling between bushing 1 and housing 4.
One end outer wall that bushing baffle ring 2 sets the first installation step 21 is equipped with the guiding conical surface 25.Bushing baffle ring 2 and housing 4 fill
Timing is oriented to the conical surface 25 and plays guiding role, facilitates the assembling of bushing baffle ring 2.
22 front end of the second installation step of bushing baffle ring 2 and buffering baffle ring 3 are pressed into contact with, the second installation of bushing baffle ring 2
The rear end end of step 22 is equipped with rear end and is oriented to the conical surface 26.Rear end is oriented to the conical surface 26 when buffering the assembling of baffle ring 3, plays and leads
To effect, facilitate the assembling of buffering baffle ring 3.
Rack 5 is connected with pull rod 6, and 3 one end of buffering baffle ring is mounted on bushing baffle ring 2, and the other end of buffering baffle ring 3 stretches out
Bushing baffle ring 2, the end end face that buffering baffle ring 3 stretches out bushing baffle ring 2 are pull rod limiting buffer face 31.Pull rod 6 runs to the limit
Behind position, the pull rod limiting buffer face 31 with buffering baffle ring 3 is hit, and buffering baffle ring 3 is made of nonmetallic materials, and pull rod 6 is gold
Belong to material, sound is minimum after shock, can effectively reduce noise.
Bushing 1 is formed by round buss 13 and with 13 integrally formed limited step 14 of round buss, and 4 inner wall of housing is equipped with housing
Installation step 41, the limited step 14 of bushing 1 are stuck on housing installation step 41, and bushing baffle ring 2 is sleeved on the limiting stand of bushing 1
On rank 14, and bushing baffle ring 2 is sleeved on one end end face of bushing 1 and is pressed on housing installation step 41.The structure of bushing 1, energy
The installation reliability of bushing 1 is enough further improved, strengthens support effect.Housing installation step 41 on housing 4 can realize lining
The reliable installation of set 1 and bushing baffle ring 2.
2 outer wall of bushing baffle ring and 4 inner wall of housing are pressed into contact with；Bushing baffle ring 2 provides reliable and stable support fixed function.
The method for supporting of rack-and-pinion manual steering gear installs upper bushing 1, lining on the housing installation step 41 of housing 4
Cover 1 inner wall and 5 outer wall of rack interference fit；Again by bushing baffle ring 2 sets be attached on rack 5, the first installation step of bushing baffle ring 2
21 are sleeved on bushing 1, and the end end of bushing baffle ring 2 is pressed on housing installation step 41；3 sets of baffle ring of buffering is attached to rack 5
On, buffering baffle ring 3 is enforced, buffering baffle ring 3 is made to be pressed onto on the second installation step 22 of 2 other end of bushing baffle ring, and
Positioning protrusion 24 on buffering baffle ring 3 is caught in installation groove 23, is realized the reliable location support of rack 5, is moved in pull rod 6
During extreme position, baffle ring plays the role of reducing noise.
The present invention increases oil storage tank 7,2 stationary bushing 1 of bushing baffle ring and buffering baffle ring 3 in 1 endoporus of bushing, buffers baffle ring
3 materials are nonmetallic materials, and support rack 5 is can reach after assembling, frictional force is reduced, prevents steering clamping stagnation, pull rod 6 from limiting, dropping
It is unstable to solve existing supporting and limiting device assembly technology for the effect of low noise, processing technology and assembly method simple possible
Fixed, manual steering gear assembly abnormal sound turns to the problem of clamping stagnation.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as employing the methodology and skill of the present invention
The improvement for the various unsubstantialities that art scheme carries out, within protection scope of the present invention.
Claims (5)
1. a kind of supporting and limiting device of rack-and-pinion manual steering gear, the steering gear includes housing and rack, and feature exists
In：The support limit mechanism includes the bushing and bushing baffle ring that are set between the rack and the housing, the bushing gear
Circle one end is sleeved on the bushing, and the other end of the bushing baffle ring is sleeved on buffering baffle ring, the buffering shield ring sleeve dress
On the rack；The bushing inner wall is equipped with oil storage tank, the bushing inner wall and rack outer wall interference fit；The lining
It covers baffle ring inner wall and is equipped with sleeve of the empty set on the rack, the bushing baffle ring inner wall is located at sleeve side and is equipped with described in installation
First installation step of bushing, the bushing baffle ring inner wall are located at sleeve opposite side and are equipped with second coordinated with the buffering baffle ring
Installation step.
2. the supporting and limiting device of rack-and-pinion manual steering gear as described in claim 1, it is characterised in that：Second peace
It fills step and is equipped with installation groove, the bumper ring outer wall is equipped with and the positioning protrusion of installation groove cooperation；It is described slow
It rushes baffle ring to be stuck on second installation step, the positioning protrusion is caught in the installation groove.
3. the supporting and limiting device of rack-and-pinion manual steering gear as claimed in claim 1 or 2, it is characterised in that：It is described fixed
The raised equal rounded corner in both ends in position.
4. the supporting and limiting device of rack-and-pinion manual steering gear as claimed in claim 3, it is characterised in that：The convex
It rises and is set in the middle part of the bumper ring outer wall.
5. the method for supporting of rack-and-pinion manual steering gear is turned using claim 1-4 any one of them rack-and-pinion machinery
It is realized to the supporting and limiting device of device, it is characterised in that：Specially：
Upper bushing, bushing inner wall and rack outer wall interference fit are installed on the housing installation step of housing；Again by bushing baffle ring
Set is attached on rack, and the first installation step of bushing baffle ring is sleeved on bushing, and the bushing baffle ring end end is pressed on housing installation
On step；Buffering shield ring sleeve is attached on rack, buffering baffle ring is enforced, buffering baffle ring is made to be pressed onto bushing baffle ring another
On second installation step at end, and the positioning protrusion buffered on baffle ring is caught in installation groove, realizes the reliable location branch of rack
Support, when pull rod is moved to extreme position, baffle ring plays the role of reducing noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396337.9A CN108128347A (en) | 2017-12-21 | 2017-12-21 | A kind of supporting and limiting device and method for supporting of rack-and-pinion manual steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711396337.9A CN108128347A (en) | 2017-12-21 | 2017-12-21 | A kind of supporting and limiting device and method for supporting of rack-and-pinion manual steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108128347A true CN108128347A (en) | 2018-06-08 |
Family
ID=62392057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711396337.9A Pending CN108128347A (en) | 2017-12-21 | 2017-12-21 | A kind of supporting and limiting device and method for supporting of rack-and-pinion manual steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108128347A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2328191A (en) * | 1997-08-14 | 1999-02-17 | Rover Group | Rack and pinion steering gear |
| CN206704285U (en) * | 2017-04-19 | 2017-12-05 | 荆州恒隆汽车技术(检测)中心 | A kind of rack support stopping means of manual steering gear |
-
2017
- 2017-12-21 CN CN201711396337.9A patent/CN108128347A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2328191A (en) * | 1997-08-14 | 1999-02-17 | Rover Group | Rack and pinion steering gear |
| CN206704285U (en) * | 2017-04-19 | 2017-12-05 | 荆州恒隆汽车技术(检测)中心 | A kind of rack support stopping means of manual steering gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180608 |
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| RJ01 | Rejection of invention patent application after publication |