CN102897208B - Regulation mechanism for pinion and rack steering gear - Google Patents
Regulation mechanism for pinion and rack steering gear Download PDFInfo
- Publication number
- CN102897208B CN102897208B CN201210422012.4A CN201210422012A CN102897208B CN 102897208 B CN102897208 B CN 102897208B CN 201210422012 A CN201210422012 A CN 201210422012A CN 102897208 B CN102897208 B CN 102897208B
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- Prior art keywords
- rack
- briquetting
- steering gear
- pressure block
- grease
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- 230000008844 regulatory mechanism Effects 0.000 title abstract 4
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004519 grease Substances 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 1
- 239000003082 abrasive agent Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Transmission Devices (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a regulation mechanism for a pinion and rack steering gear and belongs to the field of automobile steering. The mechanism comprises a pressure block, a regulating bolt and a locking nut, wherein the pressure block is arranged in a shell of the steering gear and is contacted with a rack of the steering gear; the regulating bolt is used for positioning the pressure block in the shell; and the locking nut is used for locking the regulating bolt. The regulation mechanism is characterized in that a mounting rack is arranged on the contact end face of the pressure block and the rack; rollable steel balls are arranged on the mounting rack; and the pressure block is contacted with the rack by the steel balls. According to the invention, by the arrangement of the rolling balls, the original sliding friction between the pressure block and the rack is converted into the rolling friction, so that the axial movement of the rack is reduced, the wear to the pressure block is also reduced, the gap requirement of a pinion and the rack can be met to the greatest extent and the comfort of the steering gear is improved; and the abrasion loss of the pressure block is reduced, the noise generated by the pressure block is correspondingly reduced and the regulation mechanism has an obvious improving effect on the noise level of a finished automobile.
Description
Technical field
The present invention relates to motor turning field, particularly a kind of rack and pinion steering gear adjusting mechanism.
Background technology
Rack and pinion steering gear of the prior art comprises: gear; Be arranged on the tooth bar axially moved in steering gear housing; Steering track rod is equipped with at tooth bar two ends; Be contained in the dust boot between housing and steering track rod.Fig. 1 particularly illustrates the structural representation of a kind of rack and pinion steering gear adjusting mechanism of the prior art, there is shown housing 1, be arranged on the gear wheel shaft 2 in housing 1, the tooth bar 3 often engaged with the gear on gear wheel shaft 2, adjusting mechanism comprises contacting with tooth bar 3 and keeping off presses tooth bar 3 to make the briquetting 4 of the normal pinion rack 3 of gear, spring 5 between briquetting 4 and adjustment bolt 6, be positioned at the jam nut 7 of adjustment bolt 6 end, adjustment bolt 6 is for adjusting the distance between briquetting 4 and tooth bar 3, jam nut 7 is for locking adjustment bolt 6, spring 5 buffer actions, the impact energy of tooth bar 3 pairs of briquettings 4 can be absorbed.
Current rack and pinion steering gear adjusting mechanism generally adopts compound type briquetting: the combination of materials different with high-abrasive material two kinds by metallic matrix forms.Metallic matrix can adopt the mode of die cast aft-loaded airfoil or adopt powder metallurgy sintered shaping; High-abrasive material can adopt engineering plastics or other specific coatings.
Realizing in process of the present invention, contriver finds that prior art at least exists following problem:
Traditional briquetting is owing to adopting sectional construction, and need to consider the dimensional fits between briquetting interior metal base material and high-abrasive material, dimension precision requirement is higher, the processing also more complicated of part; High-abrasive material comes off or disbonding, and high-abrasive material damages the handling directly affecting deflector, therefore higher to reliability requirement; And metal base and deflector other parts inner impact and easily produce noise, and high-abrasive material damages also can cause noise, affects noise level and the comfort of car load.
In sum, traditional rack and pinion steering gear adjusting mechanism complex structure, complex manufacturing technology, cost are high, poor reliability.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of rack and pinion steering gear adjusting mechanism.Described technical scheme is as follows:
Described rack and pinion steering gear adjusting mechanism comprises: in the housing being arranged on described deflector and the briquetting contacted with the tooth bar of described deflector, described briquetting is positioned at the adjustment bolt in described housing, locks the jam nut of described adjustment bolt; It is characterized in that, described briquetting contacts with described tooth bar on end face and is provided with erecting frame, and described erecting frame is provided with rotatable steel ball, and described briquetting is contacted by described steel ball with described tooth bar;
Wherein, described briquetting offers coaxial and that opening is relative groove with on adjustment bolt, and two grooves form a cavity, arrange elastic buffer block in described cavity;
Described bump rubber outer cover is provided with the spring coaxial with described bump rubber;
Described bump rubber inside offers multiple grease groove, is filled with grease in described grease groove; The grease channel that multiple described grease groove is all offered with bump rubber axis direction is communicated with, and described grease channel is connected with described erecting frame by recessed channel, and described recessed channel is opened on described briquetting.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By the setting of ball, change the cliding friction between original briquetting and tooth bar into friction of rolling, reduce the axial moving force of tooth bar, reduce the wearing and tearing of briquetting simultaneously, farthest can meet the clearance requirement of rack-and-gear, improve the traveling comfort of deflector; The abrasion loss of briquetting reduces, and its corresponding reduction of noise produced is significantly improved the noise level of car load.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of prior art middle gear tooth bar deflector adjusting mechanism;
Fig. 2 is the structural representation of the rack and pinion steering gear adjusting mechanism that the embodiment of the present invention provides;
Fig. 3 is the scheme of installation of the rack and pinion steering gear adjusting mechanism that the embodiment of the present invention provides;
Fig. 4 is the front view of rack and pinion steering gear housing and press strip link structure;
Fig. 5 is the left view of rack and pinion steering gear housing and press strip link structure;
Fig. 6 is the front view of briquetting in the embodiment of the present invention;
Fig. 7 is the birds-eye view of briquetting in the embodiment of the present invention.
In figure: 1: housing; 2: gear wheel shaft; 3: tooth bar; 4: briquetting; 5: spring; 6: adjustment bolt; 7: jam nut; 8: steel ball; 9: erecting frame; 10: bump rubber; 11: square groove.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 2 shows the structural representation of the present embodiment rack and pinion steering gear adjusting mechanism, and Fig. 3 is that it is arranged on the structural representation in deflector.With reference to diagram, the present embodiment adjusting mechanism comprises: to be arranged in described steering gear housing 1 and the briquetting 4 contacted with described steering gear rack 3, described briquetting 4 is positioned at the adjustment bolt 6 in described housing 1, lock the jam nut 7 of described adjustment bolt 6, adjust the relative position relation between bolt 6 and briquetting 4, jam nut 7 and the relative position relation adjusted between bolt 6 and adjust the structure of bolt 6 and jam nut 7, similar with the set-up mode of adjusting mechanism in prior art, do not do at this and repeat further, the key distinction part of described adjusting mechanism and prior art is, the end face that described briquetting 4 contacts with described tooth bar 3 is provided with erecting frame 9, described erecting frame 9 is provided with rotatable steel ball 8, described briquetting 4 is contacted by described steel ball 8 with described tooth bar 3, erecting frame 9 bonds together with the body of briquetting 4, the surface configuration of erecting frame 9 and the surface configuration of briquetting 4 are arranged with type, can meet after steel ball 8 is arranged on erecting frame 9, steel ball 8 and tooth bar 3 good contact, steel ball 8 can adopt the mode of setting to be arranged on erecting frame 9, realize the Free-rolling of steel ball 8.Preferably, described steel ball 8 has multiple row, is evenly distributed on described erecting frame 9, as shown in Figure 6 and Figure 7.After erecting frame 9 and steel ball 8 are arranged, change friction of rolling into by original cliding friction between briquetting 4 and tooth bar 3, the axial moving force of tooth bar 3 can be reduced, reduce the wearing and tearing of briquetting 4 simultaneously, farthest can meet the clearance requirement of rack-and-gear, improve the traveling comfort of deflector; The abrasion loss of briquetting 4 reduces, and its corresponding reduction of noise produced is significantly improved the noise level of car load.
Further, described briquetting 4 offers coaxial and that opening is relative groove with on adjustment bolt 6, and two grooves form a cavity, arrange elastic buffer block 10 in described cavity, and bump rubber 10 preferably adopts rubber to make.Bump rubber 10 is as snubber block; the energy absorption characteristics of rubber can be utilized; the reverse impact energy absorbing be delivered to by pull bar on tooth bar 3 falls; tooth bar 3 can be avoided to impact briquetting 4 and to produce abnormal sound; reduce the noise that adjusting mechanism produces; simultaneous buffering block 10 can also protect steel ball 8 not to be damaged in reverse impact, improves the reliability of briquetting 4, increases the conformability of the back lash of rack-and-gear.
Described bump rubber 10 outer cover is provided with the spring 5 coaxial with described bump rubber (10), the setting of spring 5, when being to ensure to occur between press strip 3 and briquetting 4 to impact, can rely on spring 5 within the extremely short time, recover the back lash of rack-and-gear, ensure the normal function of deflector.
Described bump rubber 10 inside of the present embodiment offers multiple grease groove, is filled with grease in described grease groove; The grease channel that multiple described grease groove is all offered with bump rubber 10 axis direction is communicated with, described grease channel is connected with described erecting frame by recessed channel, described recessed channel is opened on described briquetting 4, namely the depth direction described briquetting 4 offering groove along it extends has offered and the recessed channel be communicated with coaxial with groove, and recessed channel is passed briquetting 4 and is connected with erecting frame 9.Grease in grease groove can absorb energy when bump rubber 10 is squeezed, the impulsive force of buffering press strip 3 pairs of briquettings 4, and grease also can arrive erecting frame 9, to steel ball 8 lubricate on erecting frame 9 by grease channel and recessed channel.
Preferably, described erecting frame 9 offers mounting groove, described steel ball 8 is movably arranged in described mounting groove, described recessed channel is communicated with described mounting groove, namely can realize the mounting groove that grease enters erecting frame 9 smoothly, lubrication steel ball 8.
Fig. 4 and Fig. 5 respectively illustrates front view and the left view of rack and pinion steering gear housing and press strip link structure, housing 1 and press strip 3 junction offer square groove 11, according to the mounting structure shown in Fig. 2, briquetting 4 to be arranged in square groove 11 and to contact with press strip 3, adjustment bolt 6 is coordinated with briquetting 4 by spring 5 and inner bump rubber 10, adjustment bolt 6 is locked by jam nut 7, is completed installation after adjusting to the right place.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a rack and pinion steering gear adjusting mechanism, comprise: in the housing (1) being arranged on described deflector and the briquetting (4) contacted with the tooth bar (3) of described deflector, described briquetting (4) is positioned at the adjustment bolt (6) in described housing (1), locks the jam nut (7) of described adjustment bolt (6); It is characterized in that, described briquetting (4) contacts with described tooth bar (3) on end face and is provided with erecting frame (9), described erecting frame (9) is provided with rotatable steel ball (8), described briquetting (4) is contacted by described steel ball (8) with described tooth bar (3);
Wherein, described briquetting (4) offers coaxial and that opening is relative groove with in adjustment bolt (6), and two grooves form a cavity, arrange elastic buffer block (10) in described cavity;
Described bump rubber (10) outer cover is provided with the spring (5) coaxial with described bump rubber (10);
Described bump rubber (10) inside offers multiple grease groove, is filled with grease in described grease groove; The grease channel that multiple described grease groove is all offered with bump rubber (10) axis direction is communicated with, and described grease channel is connected with described erecting frame (9) by recessed channel, and described recessed channel is opened on described briquetting (4).
2. rack and pinion steering gear adjusting mechanism according to claim 1, is characterized in that, (9) are provided with mounting groove to described erecting frame, and described steel ball (8) is movably arranged in described mounting groove; Described recessed channel is communicated with described mounting groove.
3. rack and pinion steering gear adjusting mechanism according to claim 1, is characterized in that, the groove on described recessed channel and described briquetting (4) is coaxially arranged.
4. rack and pinion steering gear adjusting mechanism according to claim 1, is characterized in that, described steel ball (8) has multiple row, is evenly distributed on described erecting frame (9).
5. rack and pinion steering gear adjusting mechanism according to claim 1, is characterized in that, described bump rubber (10) adopts rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422012.4A CN102897208B (en) | 2012-10-29 | 2012-10-29 | Regulation mechanism for pinion and rack steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422012.4A CN102897208B (en) | 2012-10-29 | 2012-10-29 | Regulation mechanism for pinion and rack steering gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102897208A CN102897208A (en) | 2013-01-30 |
| CN102897208B true CN102897208B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210422012.4A Active CN102897208B (en) | 2012-10-29 | 2012-10-29 | Regulation mechanism for pinion and rack steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102897208B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864579A (en) * | 2017-04-13 | 2017-06-20 | 观致汽车有限公司 | Diverter mechanism and the vehicle comprising it |
| CN114715262B (en) * | 2022-04-25 | 2024-05-31 | 豫北转向系统(新乡)股份有限公司 | Rack supporting device of automobile steering gear |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1086880A2 (en) * | 1999-09-23 | 2001-03-28 | Delphi Technologies, Inc. | Automotive steering gear |
| KR20030003860A (en) * | 2001-07-04 | 2003-01-14 | 현대자동차주식회사 | a lack support structure of a gearbox of steering system for vehicles |
| KR20070074869A (en) * | 2006-01-10 | 2007-07-18 | 주식회사 만도 | Steering system and support-yoke equipped with damper |
| KR20070117722A (en) * | 2006-06-09 | 2007-12-13 | 주식회사 만도 | Steering apparatus equipped with damper for yoke spring |
| JP2010058599A (en) * | 2008-09-02 | 2010-03-18 | Jtekt Corp | Rack shaft support device and vehicular steering device |
| CN101698417A (en) * | 2009-09-25 | 2010-04-28 | 荆州恒隆汽车零部件制造有限公司 | Steering mechanism capable of improving friction performance and abnormal sound |
| CN201980285U (en) * | 2010-12-30 | 2011-09-21 | 芜湖世特瑞转向系统有限公司 | Control and adjusting mechanism used for gear and rack meshing clearance of automobile steering gear |
-
2012
- 2012-10-29 CN CN201210422012.4A patent/CN102897208B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1086880A2 (en) * | 1999-09-23 | 2001-03-28 | Delphi Technologies, Inc. | Automotive steering gear |
| KR20030003860A (en) * | 2001-07-04 | 2003-01-14 | 현대자동차주식회사 | a lack support structure of a gearbox of steering system for vehicles |
| KR20070074869A (en) * | 2006-01-10 | 2007-07-18 | 주식회사 만도 | Steering system and support-yoke equipped with damper |
| KR20070117722A (en) * | 2006-06-09 | 2007-12-13 | 주식회사 만도 | Steering apparatus equipped with damper for yoke spring |
| JP2010058599A (en) * | 2008-09-02 | 2010-03-18 | Jtekt Corp | Rack shaft support device and vehicular steering device |
| CN101698417A (en) * | 2009-09-25 | 2010-04-28 | 荆州恒隆汽车零部件制造有限公司 | Steering mechanism capable of improving friction performance and abnormal sound |
| CN201980285U (en) * | 2010-12-30 | 2011-09-21 | 芜湖世特瑞转向系统有限公司 | Control and adjusting mechanism used for gear and rack meshing clearance of automobile steering gear |
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| Publication number | Publication date |
|---|---|
| CN102897208A (en) | 2013-01-30 |
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