CN102897208A - Regulation mechanism for pinion and rack steering gear - Google Patents
Regulation mechanism for pinion and rack steering gear Download PDFInfo
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- CN102897208A CN102897208A CN2012104220124A CN201210422012A CN102897208A CN 102897208 A CN102897208 A CN 102897208A CN 2012104220124 A CN2012104220124 A CN 2012104220124A CN 201210422012 A CN201210422012 A CN 201210422012A CN 102897208 A CN102897208 A CN 102897208A
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- rack
- steering gear
- briquetting
- adjusting mechanism
- pinion steering
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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 the 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 installed in the interior tooth bar along axial motion of steering gear housing; Steering track rod is equipped with at the tooth bar two ends; Be contained in the dust boot between housing and the steering track rod.Fig. 1 has specifically illustrated the structural representation of a kind of rack and pinion steering gear adjusting mechanism of the prior art, there is shown housing 1, be installed in the gear wheel shaft 2 in the housing 1, with the normal tooth bar 3 that meshes of the gear on the gear wheel shaft 2, adjusting mechanism comprises and contacts with tooth bar 3 and keep off and press tooth bar 3 so that 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 adjusting bolt 6 ends, adjust the distance that bolt 6 is used between adjustment briquetting 4 and the tooth bar 3, jam nut 7 is used for locking and adjusts bolt 6,5 buffer actions of spring can absorb the impact energy of 3 pairs of briquettings 4 of tooth bar.
The rack and pinion steering gear adjusting mechanism generally adopts the compound type briquetting at present: formed by two kinds of different combinations of materials of metallic matrix and high-abrasive material.Metallic matrix can adopt the mode of processing behind the die cast or adopt powder metallurgy sintered moulding; High-abrasive material can adopt engineering plastics or other specific coatings.
In realizing process of the present invention, the contriver finds that there is following problem at least in prior art:
Traditional briquetting needs the dimensional fits between consideration briquetting interior metal base material and the high-abrasive material owing to adopt sectional construction, and dimension precision requirement is higher, and the processing of part is more complicated also; High-abrasive material comes off or disbonding, and high-abrasive material damages and will directly affect the handling of deflector, and is therefore higher to reliability requirement; And inner other parts of metal base and deflector impact and produce easily 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 height, poor reliability.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the invention provides 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: be installed in the described steering gear housing and with the contacted briquetting of described steering gear rack, described briquetting is positioned at adjustment bolt in the described housing, lock the jam nut of described adjustment bolt; It is characterized in that described briquetting contacts with described tooth bar and is provided with erecting frame on the end face, and rotatable steel ball is installed on the described erecting frame, described briquetting contacts by described steel ball with described tooth bar.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
By the setting of ball, change original briquetting and the cliding friction between tooth bar into friction of rolling, reduce the axial moving force of tooth bar, reduce simultaneously the wearing and tearing of briquetting, can farthest satisfy the gap requirement of rack-and-gear, improve the traveling comfort of deflector; The abrasion loss of briquetting reduces, and the corresponding reduction of the noise of its generation is significantly improved the noise level of car load.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
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 provides of the embodiment of the invention;
Fig. 3 is the scheme of installation of the rack and pinion steering gear adjusting mechanism that provides of the embodiment of the invention;
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 invention;
Fig. 7 is the birds-eye view of briquetting in the embodiment of the invention.
Among the figure: 1: housing; 2: gear wheel shaft; 3: tooth bar; 4: briquetting; 5: spring; 6: adjust bolt; 7: jam nut; 8: steel ball; 9: erecting frame; 10: bump rubber; 11: square groove.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Fig. 2 shows the structural representation of present embodiment rack and pinion steering gear adjusting mechanism, and Fig. 3 is that it is installed in the structural representation in the deflector.With reference to diagram, the present embodiment adjusting mechanism comprises: be installed in the described steering gear housing 1 and with described steering gear rack 3 contacted briquettings 4, described briquetting 4 is positioned at adjustment bolt 6 in the described housing 1, lock the jam nut 7 of described adjustment bolt 6, the structure of adjusting relative position relation, the jam nut 7 between bolt 6 and the briquetting 4 and adjusting the relative position relation between the bolt 6 and adjust bolt 6 and jam nut 7, similar with the set-up mode of adjusting mechanism in the prior art, do not do further at this and to give unnecessary details; The key distinction part of described adjusting mechanism and prior art is, be provided with erecting frame 9 on described briquetting 4 and the described tooth bar 3 contacted end faces, rotatable steel ball 8 is installed on the described erecting frame 9, described briquetting 4 contacts 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 the surface configuration of erecting frame 9 and briquetting 4 is with the type setting, can satisfy after steel ball 8 is installed on the erecting frame 9, steel ball 8 and tooth bar 3 good contacts, steel ball 8 can adopt the mode of setting to be installed on the erecting frame 9, realizes the Free-rolling of steel ball 8.Preferably, described steel ball 8 has multiple row, is evenly distributed on the described erecting frame 9, as shown in Figure 6 and Figure 7.After erecting frame 9 arranges with steel ball 8, change friction of rolling into by original cliding friction between briquetting 4 and the tooth bar 3, can reduce the axial moving force of tooth bar 3, reduce simultaneously the wearing and tearing of briquetting 4, can farthest satisfy the gap requirement of rack-and-gear, improve the traveling comfort of deflector; The abrasion loss of briquetting 4 reduces, and the corresponding reduction of the noise of its generation is significantly improved the noise level of car load.
Further, described briquetting 4 with adjust bolt 6 on offer groove coaxial and that opening is relative, two grooves form a cavity, and elastic buffer piece 10 is set in the described cavity, the bump rubber 10 preferred rubber that adopt are made.Bump rubber 10 is as snubber block; can utilize the energy absorption characteristics of rubber; the reverse impact energy absorbing that pull bar is delivered on the tooth bar 3 falls; can avoid tooth bar 3 to impact briquetting 4 and produce abnormal sound; weakened the noise that adjusting mechanism produces; simultaneous buffering piece 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 are provided with the spring 5 coaxial with described bump rubber (10), the setting of spring 5, be in order to guarantee between press strip 3 and the briquetting 4 to occur to impact, the back lash that can rely on spring 5 to recover rack-and-gear within the extremely short time guarantees the normal function of deflector.
Described bump rubber 10 inside of present embodiment offer a plurality of grease grooves, are filled with grease in the described grease groove; A plurality of described grease grooves all are communicated with the grease channel that bump rubber 10 axis directions are offered, described grease channel is connected with described erecting frame by recessed road, described recessed road is opened on the described briquetting 4, be to have offered recessed road coaxial with groove and that be communicated with along its depth direction extension of offering groove on the described briquetting 4, recessed road passes briquetting 4 and is connected with erecting frame 9.Grease in the grease groove can be when bump rubber 10 be squeezed absorbed energy, the impulsive force of 3 pairs of briquettings 4 of buffering press strip, and grease also can arrive erecting frame 9 by grease channel and recessed road, to steel ball 8 lubricates on the erecting frame 9.
Preferably, offer mounting groove at described erecting frame 9, described steel ball 8 is movably arranged in the described mounting groove, and described recessed road is communicated with described mounting groove, can realize that namely grease enters the mounting groove of erecting frame 9 smoothly, lubricated steel ball 8.
Fig. 4 and Fig. 5 show respectively front view and the left view of rack and pinion steering gear housing and press strip link structure, housing 1 offers square groove 11 with press strip 3 junctions, according to the mounting structure shown in Fig. 2, briquetting 4 is installed in the square groove 11 and with press strip 3 and contacts, adjusting bolt 6 cooperates with briquetting 4 by spring 5 and inner bump rubber 10, adjustment bolt 6 is locked by jam nut 7 after adjusting to the right place, finishes installation.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. rack and pinion steering gear adjusting mechanism, comprise: be installed in the described steering gear housing (1) and with the contacted briquetting of described steering gear rack (3) (4), described briquetting (4) is positioned at the interior adjustment bolt (6) of 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) and is provided with erecting frame (9) on the end face, rotatable steel ball (8) is installed on the described erecting frame (9), and described briquetting (4) contacts by described steel ball (8) with described tooth bar (3).
2. rack and pinion steering gear adjusting mechanism according to claim 1, it is characterized in that, described briquetting (4) with adjust bolt (6) on offer groove coaxial and that opening is relative, two grooves form a cavity, and elastic buffer piece (10) is set in the described cavity.
3. rack and pinion steering gear adjusting mechanism according to claim 2 is characterized in that, described bump rubber (10) outer cover is provided with the spring (5) coaxial with described bump rubber (10).
4. rack and pinion steering gear adjusting mechanism according to claim 3 is characterized in that, described bump rubber (10) inside offers a plurality of grease grooves, is filled with grease in the described grease groove; A plurality of described grease grooves all are communicated with the grease channel that bump rubber (10) axis direction is offered, and described grease channel is connected with described erecting frame (9) by recessed road, and described recessed road is opened on the described briquetting (4).
5. rack and pinion steering gear adjusting mechanism according to claim 4 is characterized in that, described erecting frame is provided with mounting groove on (9), and described steel ball (8) is movably arranged in the described mounting groove; Described recessed road is communicated with described mounting groove.
6. rack and pinion steering gear adjusting mechanism according to claim 4 is characterized in that, the coaxial setting of groove on described recessed road and the described briquetting (4).
7. 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 the described erecting frame (9).
8. rack and pinion steering gear adjusting mechanism according to claim 2 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 |
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| Publication Number | Publication Date |
|---|---|
| CN102897208A true CN102897208A (en) | 2013-01-30 |
| CN102897208B CN102897208B (en) | 2015-06-10 |
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| 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 |
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| CN (1) | CN102897208B (en) |
Cited By (3)
| 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 |
| CN114715262A (en) * | 2022-04-25 | 2022-07-08 | 豫北转向系统（新乡）有限公司 | Rack supporting device of automobile steering device |
| 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 |
Cited By (3)
| 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 |
| CN114715262A (en) * | 2022-04-25 | 2022-07-08 | 豫北转向系统（新乡）有限公司 | Rack supporting device of automobile steering device |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102897208B (en) | 2015-06-10 |
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