CN106741129A - Mechanical steering machine - Google Patents
Mechanical steering machine Download PDFInfo
- Publication number
- CN106741129A CN106741129A CN201710016477.2A CN201710016477A CN106741129A CN 106741129 A CN106741129 A CN 106741129A CN 201710016477 A CN201710016477 A CN 201710016477A CN 106741129 A CN106741129 A CN 106741129A
- Authority
- CN
- China
- Prior art keywords
- steering
- linear bearing
- rack
- steel ball
- bearing
- 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.)
- Granted
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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
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of mechanical steering machine, including casing body and steering rack are turned to, the steering rack is inserted into the inside of the steering casing body, and rack support bearing is arranged between the steering rack and the internal face of the steering casing body., due to traditional bushing is changed into rack support bearing, simple structure, frictional force are low, and long-term use is not easy to wear, it is to avoid gap occur inside steering machine for the present invention, are produced in vehicle travel process and turn to noise.
Description
Technical field
The present invention relates to auto parts machinery, more particularly to a kind of low friction mechanical steering machine.
Background technology
Mechanical steering machine carries transmission driver's input direction disk direction information during normal vehicle operation, assists
Driver completes the effect that Vehicular turn is intended to.Mechanical steering machine is used on pipe column type electronics force aid system now.Machinery turns
Generally include to turn to casing body to machine, turn to machine little gear, steering rack, rack support bearing, bearing fixing bolt, steering
Machine rod assembly and sheath assembly.Engaged with steering rack by turning to machine little gear, steering wheel turns in the process of moving
To information transmission to steering rack, the rectilinear movement by steering rack in housing promotes steering linkage assembly, and then
Realize that vehicle wheel rotation is moved.
The tooth bar of usual mechanical steering machine is in housing inner support on bushing.Lagging material is generally polytetrafluoroethylene (PTFE)
Assemble two O-rings, bushing and O-ring assembly interference in (Polytetrafluoroethylene, abbreviation PTFE), bushing outer ring
It is assemblied in steering casing body, steering rack moves back and forth in steering procedure in bushing.Due to steering rack and lining
The directly contact of set and persistently relative motion, cause mechanical steering machine internal friction locomotivity larger, cause inside steering
Friction is larger, and the handling to electric power steering causes certain loss.Liner wear can be caused after long-time use simultaneously,
There is gap so as to further result in inside steering machine, produced in vehicle travel process and turn to noise.
Accordingly, it would be desirable to a kind of simple structure, frictional force are low, and the mechanical steering machine of long-term use can be ensured.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of simple structure, frictional force are low, and can protect
Demonstrate,prove the mechanical steering machine of long-term use.
Technical scheme provides a kind of mechanical steering machine, including turns to casing body and steering rack, described turn
The inside of the steering casing body is inserted into machine tooth bar, between the steering rack and the internal face of the steering casing body
It is arranged with rack support bearing.
Further, the steering rack is inserted into the rack support bearing internal clearance and coordinates or be fitted close, and
Can be moved linearly in the rack support bearing.
Further, the rack support bearing is fixedly connected with the internal face of the steering casing body.
Further, the rack support bearing is linear bearing.
Further, the linear bearing is flange-type linear bearing, and the flange-type linear bearing is provided with circular method
Orchid, offers multiple screwed holes on the circular flange, the internal face of the steering casing body is provided with round boss, described
Multiple unthreaded holes corresponding with the screwed hole are offered on round boss, the screwed hole is bolted with the unthreaded hole.
Further, the linear bearing is right cylinder type linear bearing, and the right cylinder type linear bearing passes through jump ring and institute
State the internal face clamping for turning to casing body.
Further, the outer surface of the right cylinder type linear bearing offers draw-in groove, and O-shaped rubber is contained in the draw-in groove
Circle, the O-shaped rubber ring is located between the draw-in groove and the internal face of the steering casing body.
Further, the draw-in groove has two, and the corresponding O-shaped rubber ring also has two.
Further, the linear bearing includes outer ring, steel ball retainer, bearing ball and sealing gasket back-up ring, described outer
Snare is located at outside the steel ball retainer, and the steel ball retainer is cylindrical shape, equipped with multiple described on the steel ball retainer
Bearing ball, the steering rack is inserted into the steel ball retainer, and the sealing gasket back-up ring is used for steel ball described in block
The two ends of retainer.
Further, the steel ball retainer is provided with steel ball track, the steel ball track along the linear bearing axle
Line direction opens up jagged window.
After adopting the above technical scheme, having the advantages that：
, due to traditional bushing is changed into rack support bearing, simple structure, frictional force are low, and long-term use is difficult for the present invention
Abrasion, it is to avoid gap occur inside steering machine, produces in vehicle travel process and turns to noise.
Brief description of the drawings
Referring to accompanying drawing, the disclosure will be easier to understand.It should be understood that：These accompanying drawings are merely illustrative
Purpose, and be not intended to be construed as limiting protection scope of the present invention.In figure：
Fig. 1 is the stereogram of mechanical steering machine in the embodiment of the present invention one；
Fig. 2 is the exploded view of mechanical steering machine in the embodiment of the present invention one；
Fig. 3 is the broken section enlarged drawing of mechanical steering machine in the embodiment of the present invention one；
Fig. 4 is the exploded view of mechanical steering machine in the embodiment of the present invention two；
Fig. 5 is the broken section enlarged drawing of mechanical steering machine in the embodiment of the present invention two；
Fig. 6 is the exploded view of right cylinder type linear bearing, jump ring and O-shaped rubber ring in the embodiment of the present invention two；
Fig. 7 is the partial sectional view of the cathetus bearing of the embodiment of the present invention three.
The reference table of comparisons：
1- turns to casing body 2- and turns to machine little gear assembly 3- steerable sheath assemblies
4- steering linkage assembly 5- steering rack 6- flange-type linear bearings
7- bolt 8-O type rubber ring 9- right cylinder type linear bearings
10- jump ring 11- round boss 12- unthreaded holes
61- circular flange 62- screwed hole 6.1- outer rings
6.2- steel ball retainer 6.3- bearing ball 6.4- sealing gasket back-up rings
6.21- steel ball track 6.22- breach window 91- draw-in grooves
Specific embodiment
Further illustrate specific embodiment of the invention below in conjunction with the accompanying drawings.
It is readily appreciated that, technology according to the present invention scheme, in the case where true spirit is not changed, the general skill of this area
Various structures mode and implementation that art personnel can mutually replace.Therefore, detailed description below and accompanying drawing are only
To the exemplary illustration of technical scheme, and it is not to be construed as whole of the invention or is considered as to inventive technique scheme
Define or limit.
Mention in this manual or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Orientation term is defined relative to the construction shown in each accompanying drawing, and they are relative concepts, it is therefore possible to meeting root
Correspondingly changed according to its residing diverse location, different use states.So, also should not be by these or others side
Position term is construed to restricted term.
Embodiment one：
Referring to Fig. 1-3, Fig. 1-3 is the structural representation of mechanical steering machine in the embodiment of the present invention one.
As shown in Figure 1-2, mechanical steering machine, including casing body 1 and steering rack 5 are turned to, steering rack 1 is inserted into
The inside of casing body 1 is turned to, rack support bearing is arranged between steering rack 5 and the internal face for turning to casing body 1.
Specifically, as shown in figure 1, mechanical steering machine also includes steering machine little gear assembly 2, steerable sheath assembly 3 and turns
To rod assembly 4.Steering rack 5 by rack support bearings turning in casing body 1, steering rack 5 with turn to
Machine little gear assembly 2 is engaged.
In mechanical steering machine running, turn to machine little gear assembly 2 and receive the angle of rotation input from steering wheel, turn
Engaged with steering rack 5 to machine little gear assembly 2, promote steering rack 5 to be moved along the axis for turning to casing body 1, turned
Inner ring to steering rack 5 in the moving process of machine tooth bar 5 in rack support bearing is moved, and promotes steering linkage assembly 4, sheath
The phase strain stretch of assembly 3 or compression, so as to promote vehicle wheel rotation, realize that vehicle is rotated and are intended to.
In embodiment one, steering rack 5 is inserted into rack support bearing internal clearance and coordinates or be fitted close, and can be in tooth
Rectilinear movement in bar spring bearing.Rack support bearing is fixedly connected with the internal face for turning to casing body 1.
In embodiment one, rack support bearing is linear bearing.
As Figure 2-3, linear bearing is flange-type linear bearing 6, and flange-type linear bearing 6 is provided with circular flange
61, multiple screwed holes 62 are offered on circular flange 61, the internal face for turning to casing body 1 is provided with round boss 11, round boss
Multiple unthreaded holes 12 corresponding with screwed hole 62 are offered on 11, screwed hole 62 is connected with unthreaded hole 12 by bolt 7.
Alternatively it is also possible to set unthreaded hole on circular flange 61, hole is threaded on round boss 11.
In embodiment one, flange-type linear bearing 6 is fixedly connected by bolt 7 with the internal face for turning to casing body 1.Turn to
Machine tooth bar 5 is inserted into the inner ring of flange-type linear bearing 6, and gap coordinates, and steering rack 5 can be relative to flange-type
Linear bearing 6 is moved along the central axis for turning to casing body 1.Flange-type linear bearing 6 can be reduced and steering rack 5 between
Frictional force, long-term use is easy to wear, it is to avoid gap occur inside steering machine, produces steering to make an uproar in vehicle travel process
Sound.
Embodiment two：
Referring to described in Fig. 3-6, Fig. 3-6 is the structural representation of the embodiment of the present invention two.
In embodiment two, linear bearing is right cylinder type linear bearing 9, and right cylinder type linear bearing 9 is by jump ring 10 and steering
The internal face clamping of casing body 1.
Specifically, as shown in fig. 6, the outer surface of right cylinder type linear bearing 9 is offered in draw-in groove 91, draw-in groove 91 contains O
Type rubber ring 8, O-shaped rubber ring 8 is located between the internal face of draw-in groove 91 and steering casing body 1.
O-shaped rubber ring 8 is used to increase to be supported between the internal face of the outer ring of right cylinder type linear bearing 9 and steering casing body 1
And cushioning effect, the noise that impact or load are produced during effective prevention work.
In embodiment two, draw-in groove 91 has two, and corresponding O-shaped rubber ring 8 also has two.
Alternatively, O-shaped rubber ring 8 and draw-in groove 91 can with only one of which, or more.
In embodiment two, right cylinder type linear bearing 9 is fixedly connected by jump ring 10 with casing body 1 is turned to.Steering rack 5
The inside of right cylinder type linear bearing 9 is equally inserted into, and can be moved along axis.Right cylinder type linear bearing 9 can also reduce with
Frictional force between steering rack 5, long-term use is not easy to wear, it is to avoid gap occurs inside steering machine, is run in vehicle
Produced in journey and turn to noise.
Embodiment three：
As shown in fig. 7, linear bearing includes outer ring 6.1, steel ball retainer 6.2, bearing ball 6.3 and sealing gasket back-up ring
6.4, outer ring 6.1 is set in outside steel ball retainer 6.2, and steel ball retainer 6.2 is cylindrical shape, equipped with many on steel ball retainer 6.2
Individual bearing ball 6.3, steering rack 5 is inserted into steel ball retainer 6.2, and sealing gasket back-up ring 6.4 keeps for block steel ball
The two ends of frame 6.2.
The inside of steel ball retainer 6.2 is inserted into due to steering rack 5, and during along axial-movement, steering rack 5 with
Bearing ball 6.3 is contacted, and Infinite Cyclic motion is done in the presence of bearing ball 6.3.Bearing ball 6.3 is conducive to reducing steering
Frictional force between machine tooth bar 5 and linear bearing.
Further, steel ball retainer 6.2 is provided with steel ball track 6.21, steel ball track 6.21 along linear bearing axis
Direction opens up jagged window 6.22.
Specifically, being set along the axis direction of linear bearing on the steel ball track 6.21 of the stress of each bearing ball 6.3 work
Jagged window 6.22, this part makes bearing ball 6.3 loaded be in rolling contact with steering rack 5, is rubbed with low-down
Wipe coefficient relative movement so that steering rack 5 along turn to the resistance that is subject to when the axis of casing body 1 is moved and frictional force compared with
It is small, and steering rack 5 is smaller with the abrasion of the mating surface of linear bearing in life span.
Above-described is only principle of the invention and preferred embodiment.It should be pointed out that for the common skill of this area
For art personnel, on the basis of the principle of the invention, some other modifications can also be made, also should be regarded as protection model of the invention
Enclose.
Claims (10)
1. a kind of mechanical steering machine, including steering casing body and steering rack, the steering rack are inserted into the steering
The inside of casing body, it is characterised in that be arranged with tooth bar between the internal face of the steering rack and the steering casing body
Spring bearing.
2. mechanical steering machine according to claim 1, it is characterised in that the steering rack is inserted into the tooth bar branch
Support bearing internal clearance coordinates or is fitted close, and can be moved linearly in the rack support bearing.
3. mechanical steering machine according to claim 1, it is characterised in that the rack support bearing and the steering casing
The internal face of body is fixedly connected.
4. mechanical steering machine according to claim 1, it is characterised in that the rack support bearing is linear bearing.
5. mechanical steering machine according to claim 4, it is characterised in that the linear bearing is flange-type linear bearing,
The flange-type linear bearing is provided with circular flange, and multiple screwed holes, the steering casing are offered on the circular flange
The internal face of body is provided with round boss, and multiple unthreaded holes corresponding with the screwed hole, institute are offered on the round boss
Screwed hole is stated to be bolted with the unthreaded hole.
6. mechanical steering machine according to claim 4, it is characterised in that the linear bearing is right cylinder type linear bearing,
The right cylinder type linear bearing is by jump ring and the internal face clamping for turning to casing body.
7. mechanical steering machine according to claim 6, it is characterised in that the outer surface of the right cylinder type linear bearing opens up
There is draw-in groove, O-shaped rubber ring is contained in the draw-in groove, the O-shaped rubber ring is located at the draw-in groove with the steering casing body
Between the internal face.
8. mechanical steering machine according to claim 7, it is characterised in that the draw-in groove has two, the corresponding O-shaped rubber
Cushion rubber also has two.
9. the mechanical steering machine according to claim any one of 4-8, it is characterised in that the linear bearing include outer ring,
Steel ball retainer, bearing ball and sealing gasket back-up ring, the outer ring are set in outside the steel ball retainer, the steel ball retainer
It is cylindrical shape, multiple bearing balls is housed on the steel ball retainer, the steering rack is inserted into the steel ball and protects
Hold in frame, the sealing gasket back-up ring is used for the two ends of steel ball retainer described in block.
10. mechanical steering machine according to claim 9, it is characterised in that the steel ball retainer is provided with steel ball track,
The steel ball track opens up jagged window along the axis direction of the linear bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016477.2A CN106741129B (en) | 2017-01-10 | 2017-01-10 | Mechanical steering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016477.2A CN106741129B (en) | 2017-01-10 | 2017-01-10 | Mechanical steering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106741129A true CN106741129A (en) | 2017-05-31 |
| CN106741129B CN106741129B (en) | 2019-09-10 |
Family
ID=58948628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710016477.2A Active CN106741129B (en) | 2017-01-10 | 2017-01-10 | Mechanical steering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106741129B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11731684B1 (en) * | 2022-02-24 | 2023-08-22 | Steering Solutions Ip Holding Corporation | Recirculating ball track telescope interface assembly for steering column |
| US20230417283A1 (en) * | 2021-12-27 | 2023-12-28 | BronBuster LLC | Apparatus and kit for ford vehicle steering rack and pinion |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007290683A (en) * | 2006-04-21 | 2007-11-08 | Delphi Technologies Inc | Power steering device with adjustment mechanism |
| EP2202129A1 (en) * | 2007-10-23 | 2010-06-30 | JTEKT Corporation | Bearing mechanism with slide bearing |
| DE102009014671A1 (en) * | 2009-03-27 | 2010-11-11 | Thyssenkrupp Presta Ag | Inexpensive rack and pinion steering gear |
| CN202038359U (en) * | 2011-03-29 | 2011-11-16 | 芜湖世特瑞转向***有限公司 | Gear rack type automobile steering engine rack locating mechanism |
| CN102369130A (en) * | 2009-02-16 | 2012-03-07 | 福特全球技术有限公司 | Improved press-fit connection for a rack housing |
| CN104787110A (en) * | 2015-04-02 | 2015-07-22 | 常州机电职业技术学院 | Electric power steering gear |
| CN104806634A (en) * | 2014-01-23 | 2015-07-29 | 株式会社昭和 | Structure of bush bearing |
| CN104943734A (en) * | 2014-03-28 | 2015-09-30 | 株式会社昭和 | Steering apparatus and bearing member |
-
2017
- 2017-01-10 CN CN201710016477.2A patent/CN106741129B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007290683A (en) * | 2006-04-21 | 2007-11-08 | Delphi Technologies Inc | Power steering device with adjustment mechanism |
| EP2202129A1 (en) * | 2007-10-23 | 2010-06-30 | JTEKT Corporation | Bearing mechanism with slide bearing |
| CN102369130A (en) * | 2009-02-16 | 2012-03-07 | 福特全球技术有限公司 | Improved press-fit connection for a rack housing |
| DE102009014671A1 (en) * | 2009-03-27 | 2010-11-11 | Thyssenkrupp Presta Ag | Inexpensive rack and pinion steering gear |
| CN202038359U (en) * | 2011-03-29 | 2011-11-16 | 芜湖世特瑞转向***有限公司 | Gear rack type automobile steering engine rack locating mechanism |
| CN104806634A (en) * | 2014-01-23 | 2015-07-29 | 株式会社昭和 | Structure of bush bearing |
| CN104943734A (en) * | 2014-03-28 | 2015-09-30 | 株式会社昭和 | Steering apparatus and bearing member |
| CN104787110A (en) * | 2015-04-02 | 2015-07-22 | 常州机电职业技术学院 | Electric power steering gear |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230417283A1 (en) * | 2021-12-27 | 2023-12-28 | BronBuster LLC | Apparatus and kit for ford vehicle steering rack and pinion |
| US11952050B2 (en) * | 2021-12-27 | 2024-04-09 | Broncbuster Llc | Apparatus and kit for ford vehicle steering rack and pinion |
| US11731684B1 (en) * | 2022-02-24 | 2023-08-22 | Steering Solutions Ip Holding Corporation | Recirculating ball track telescope interface assembly for steering column |
| US20230264733A1 (en) * | 2022-02-24 | 2023-08-24 | Steering Solutions Ip Holding Corporation | Recirculating ball track telescope interface assembly for steering column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106741129B (en) | 2019-09-10 |
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