CN204775438U - Steering gear of rack and pinion formula is with briquetting that reduces frictional force - Google Patents
Steering gear of rack and pinion formula is with briquetting that reduces frictional force Download PDFInfo
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- CN204775438U CN204775438U CN201520320917.XU CN201520320917U CN204775438U CN 204775438 U CN204775438 U CN 204775438U CN 201520320917 U CN201520320917 U CN 201520320917U CN 204775438 U CN204775438 U CN 204775438U
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- briquetting
- rack
- oil
- oil storage
- oil resevoir
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Abstract
The utility model provides a steering gear of rack and pinion formula is with briquetting that reduces frictional force, includes and install the briquetting assembly of forming in proper order by briquetting body, spring, rack and pinion, and is circular -arc in the one end of briquetting body is, circular arc was corresponding with the size of rack in should, was provided with a briquetting facing between briquetting body and the rack. The size and a briquetting internal ARC end of the briquetting facing body of briquetting facing correspond, and the oil storage hole has just been offered to the center of the terminal surface of rack to briquetting facing body to the oil storage bank of cells has been offered for the center in this oil storage hole, and the grease between rack and briquetting has been stored to the oil storage bank of cells, has reduced the friction for the mutual motion between rack and briquetting. The utility model discloses utilize the oil storage tank structure to carry out the oil storage, reduced the sliding contact area of briquetting facing body with the relative motion of rack simultaneously, realized reducing fricative purpose, it is effective reliable, just the utility model discloses in the advantage that has still kept simple structure on the whole, become instinctively to obtain effectual control.
Description
Technical field
The utility model relates to a kind of auto parts and components, particularly relates to the briquetting device of the friction force between a kind of reduction briquetting for rack and pinion steering gear and gear.
Background technology
At present, rack and pinion steering gear has been widely used in automobile manufacturing field, gear rack type steering engine is made up of housing, gear, tooth bar and some other accessory and device usually, rack and pinion steering gear requires to need to reduce internal friction and friction point as much as possible during fabrication, to reduce the power of electronic power assist steering system (being called for short EPS) system motor, make the power motor of EPS motor energy selection of small, and how economical reduction friction force, be reduce productive costs, improve the consideration emphasis of parts quality.
The forming machanism adopted under prior art is primarily of part compositions such as adjusting nut, spring, briquetting and briquetting liners.And in order to reduce the noise produced due to gap in use procedure, briquetting is typically provided with annular groove, annular groove in-built with o type circle to reduce the shock between briquetting and housing.
And find after long on-the-spot test and actual use, rack and pinion steering gear in use can produce normal wearing clearance, and briquetting, spring assembly are used for keeping tooth bar and miniature gears to be in engagement as gap adjusting mechanism.The friction of such briquetting and gear just becomes the component part of friction drag in steering swivel system.Interior friction can affect and turn to feel, reduces and turns to efficiency, and cause noise, cause the degree of comfort decreased of car load, user satisfaction is declined.
Utility model content
The briquetting caused after producing normal wearing clearance in order to the briquetting solving the rack and pinion steering gear under prior art and the friction of gear, thus impact turns to feel, reduce and turn to efficiency, and cause noise, cause the degree of comfort decreased of car load, make the problem that user satisfaction declines, the utility model provides the briquetting that a kind of rack and pinion steering gear reduces friction force, by to the improvement on the briquette structure under prior art, make use of oil resevoir structure and carry out oil storage, reduce the moving contact area of briquetting liner and tooth bar simultaneously, achieve the object reducing friction, and the utility model improves and turns to feel, improve and turn to efficiency.Verified by actual production, effectively reliably.On the other hand, still remain the simple advantage of structure on the whole, become instinct to be controlled effectively.Concrete structure of the present utility model is as described below:
Rack and pinion steering gear reduces a briquetting for friction force, comprises and sequentially installs by briquetting body, spring, rack and pinion the briquetting assembly formed, it is characterized in that:
One end of described briquetting body is inner circle arcuation, and this Inner arc is corresponding with the size of tooth bar, is provided with a briquetting liner between briquetting body and tooth bar;
Described briquetting body tightly suppresses briquetting liner by the pressure of spring, then pressure is passed to tooth bar and follow-up gear.
The briquetting of friction force is reduced according to a kind of rack and pinion steering gear of the present utility model, it is characterized in that, described briquetting liner comprises briquetting liner body, oil storage hole and oil resevoir group, wherein, the size of briquetting liner body is corresponding with one end of briquetting body inner circle arcuation, and a side end face of briquetting liner body is in one end being arranged at briquetting body inner circle arcuation of close contact, at the opposite side end face then just right tooth bar of briquetting liner body, and offer oil storage hole at the center of this place's end face, oil resevoir group is offered centered by this oil storage hole, oil resevoir group stores the grease between tooth bar and briquetting, for the mutual motion between tooth bar and briquetting decreases friction.
The briquetting of friction force is reduced according to a kind of rack and pinion steering gear of the present utility model, it is characterized in that, described oil resevoir group is made up of many uniform at equal intervals in length and breadth oil resevoirs, wherein the quantity of horizontal oil resevoir is 1 ~ 3, be positioned at middle horizontal oil resevoir to communicate with oil storage hole, and longitudinal oil resevoir is 2 ~ 4, all horizontal with each bar oil resevoir of the longitudinal oil resevoir of each bar communicates, and the longitudinal oil resevoir of each bar is in uniform at equal intervals, the groove depth of each bar oil resevoir is all equal.
Be designed to the main points that a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force herein, wherein oil resevoir group provides lubricating oil in the relative motion of briquetting liner body and tooth bar, reduce friction force, and in order to make this friction force further diminish, so oil resevoir group at the end face of briquetting liner body and tooth bar relative motion in many oil resevoirs uniformly at intervals in length and breadth, i.e. horizontal oil resevoir and longitudinal oil resevoir, this design reduces the frictional area between briquetting liner body and tooth bar on the one hand, namely friction coefficient is reduced, on the other hand because each bar oil resevoir stores more heavy wool fat compared with the briquetting assembly of prior art, namely further friction coefficient is reduced, for the relative motion of briquetting liner body and tooth bar provides better lubrication, while friction coefficient reduces, friction force reduces further.
The briquetting using a kind of rack and pinion steering gear of the present utility model to reduce friction force obtains following beneficial effect:
1. a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force compared with conventional briquetting assembly, make use of oil resevoir structure and carry out oil storage, reduce the moving contact area of the relative motion of briquetting liner body and tooth bar simultaneously, achieve the object reducing friction;
2. a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force, improves and turns to feel, improve and turn to efficiency.Verified by actual production, effectively reliably;
3. a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force, still remains the simple advantage of structure on the whole, becomes instinct to be controlled effectively.
Accompanying drawing explanation
Fig. 1 is the concrete structure schematic diagram that a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force;
Fig. 2 is the lateral plan that a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force;
Fig. 3 is the three-dimensional exploded view that a kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force;
Fig. 4 is that the briquetting that a kind of rack and pinion steering gear of the present utility model reduces friction force specifically implements assembly drowing.
In figure: 1-briquetting body, 2-spring, 3-tooth bar, 4-gear, A-briquetting liner, A1-briquetting liner body, A2-oil storage hole, A3-oil resevoir group, the horizontal oil resevoir of A31-, the longitudinal oil resevoir of A32-.
Detailed description of the invention
Below in conjunction with drawings and Examples, the briquetting that a kind of rack and pinion steering gear of the present utility model reduces friction force is further described.
Embodiment
As shown in Figures 1 to 4, a kind of rack and pinion steering gear reduces the briquetting of friction force, comprise, by briquetting body 1, spring 2, tooth bar 3 and gear 4, the briquetting assembly formed sequentially is installed, one end of briquetting body is inner circle arcuation, this Inner arc is corresponding with the size of tooth bar, is provided with a briquetting liner A between briquetting body and tooth bar;
Briquetting body 1 tightly suppresses briquetting liner A by the pressure of spring 2, then pressure is passed to tooth bar 3 and follow-up gear 4.
As shown in Figure 1 to Figure 3, briquetting liner A comprises briquetting liner body A1, oil storage hole A2 and oil resevoir group A3, wherein, the size of briquetting liner body is corresponding with one end of briquetting body 1 inner circle arcuation, and a side end face of briquetting liner body is in one end being arranged at briquetting body inner circle arcuation of close contact, at the opposite side end face then just right tooth bar 3 of briquetting liner body, and offer oil storage hole at the center of this place's end face, oil resevoir group is offered centered by this oil storage hole, oil resevoir group stores the grease between tooth bar and briquetting, for the mutual motion between tooth bar and briquetting decreases friction.
As shown in Figure 2, oil resevoir group A3 is made up of many uniform at equal intervals in length and breadth oil resevoirs, wherein the quantity of horizontal oil resevoir A31 is 1 or 3 (in the present embodiment, horizontal oil resevoir is 1), be positioned at middle horizontal oil resevoir and communicate with oil storage hole that (the present embodiment is 1, therefore this horizontal oil resevoir communicates with oil storage hole), and longitudinal oil resevoir A32 is 2 ~ 4 (in the present embodiment, longitudinal oil resevoir is 3), all horizontal with each bar oil resevoir of the longitudinal oil resevoir of each bar communicates, and the longitudinal oil resevoir of each bar is in uniform at equal intervals, the groove depth of each bar oil resevoir is all equal.
In actual application, due to the structure size of steering swivel system assembly and the demand of fit on, horizontal oil resevoir is not limited only to 1 or 3, and the quantity of longitudinal oil resevoir is also not limited only to 2 ~ 4.
Oil resevoir group A3 provides lubricating oil in the relative motion of briquetting liner body and tooth bar, reduce friction force, and in order to make this friction force further diminish, so oil resevoir group at the end face of briquetting liner body and tooth bar relative motion in many oil resevoirs uniformly at intervals in length and breadth, i.e. horizontal oil resevoir A31 and longitudinal oil resevoir A32, this design reduces the frictional area between briquetting liner body A1 and tooth bar 3 on the one hand, namely friction coefficient is reduced, on the other hand because each bar oil resevoir stores more heavy wool fat compared with the briquetting assembly of prior art, namely further friction coefficient is reduced, for the relative motion of briquetting liner body and tooth bar provides better lubrication, while friction coefficient reduces, friction force reduces further.
A kind of rack and pinion steering gear of the present utility model reduces the briquetting of friction force compared with conventional briquetting assembly, make use of oil resevoir structure and carry out oil storage, reduce the moving contact area of the relative motion of briquetting liner body and tooth bar simultaneously, achieve the object reducing friction, the utility model is verified by actual production, effectively reliable, and the utility model still remains the simple advantage of structure on the whole, becomes instinct to be controlled effectively.
The briquetting that a kind of rack and pinion steering gear of the present utility model reduces friction force is applicable to the field needing the friction force reduced between briquetting and gear of various rack and pinion steering gear.
Claims (3)
1. the rack and pinion steering gear briquetting reducing friction force, comprises and sequentially installs by briquetting body (1), spring (2), tooth bar (3) and gear (4) the briquetting assembly formed, it is characterized in that:
One end of described briquetting body (1) is inner circle arcuation, and this Inner arc is corresponding with the size of tooth bar, is provided with a briquetting liner (A) between briquetting body and tooth bar;
Described briquetting body (1) tightly suppresses briquetting liner (A) by the pressure of spring (2), then pressure is passed to tooth bar (3) and follow-up gear (4).
2. a kind of rack and pinion steering gear as claimed in claim 1 reduces the briquetting of friction force, it is characterized in that, described briquetting liner (A) comprises briquetting liner body (A1), oil storage hole (A2) and oil resevoir group (A3), wherein, the size of briquetting liner body is corresponding with one end of briquetting body (1) inner circle arcuation, and a side end face of briquetting liner body is in one end being arranged at briquetting body inner circle arcuation of close contact, the opposite side end face then just right tooth bar (3) of briquetting liner body, and offer oil storage hole at the center of this place's end face, oil resevoir group is offered centered by this oil storage hole, oil resevoir group stores the grease between tooth bar and briquetting, for the mutual motion between tooth bar and briquetting decreases friction.
3. a kind of rack and pinion steering gear as claimed in claim 2 reduces the briquetting of friction force, it is characterized in that, described oil resevoir group (A3) is made up of many uniform at equal intervals in length and breadth oil resevoirs, wherein the quantity of horizontal oil resevoir (A31) is 1 ~ 3, be positioned at middle horizontal oil resevoir to communicate with oil storage hole, and longitudinal oil resevoir (A32) is 2 ~ 4, all horizontal with each bar oil resevoir of the longitudinal oil resevoir of each bar communicates, and the longitudinal oil resevoir of each bar is in uniform at equal intervals, the groove depth of each bar oil resevoir is all equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320917.XU CN204775438U (en) | 2015-05-18 | 2015-05-18 | Steering gear of rack and pinion formula is with briquetting that reduces frictional force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320917.XU CN204775438U (en) | 2015-05-18 | 2015-05-18 | Steering gear of rack and pinion formula is with briquetting that reduces frictional force |
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| Publication Number | Publication Date |
|---|---|
| CN204775438U true CN204775438U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520320917.XU Expired - Fee Related CN204775438U (en) | 2015-05-18 | 2015-05-18 | Steering gear of rack and pinion formula is with briquetting that reduces frictional force |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539550A (en) * | 2015-12-30 | 2016-05-04 | 芜湖世特瑞转向系统有限公司 | Steering gear rack pressing structure |
| CN105564494A (en) * | 2015-12-30 | 2016-05-11 | 芜湖世特瑞转向系统有限公司 | Pressure-adjustable steering gear rack compaction structure |
| CN105644616A (en) * | 2015-12-30 | 2016-06-08 | 芜湖世特瑞转向系统有限公司 | Steering gear rack tightly-compressing structure capable of increasing contact area |
| CN105667571A (en) * | 2015-12-30 | 2016-06-15 | 芜湖世特瑞转向系统有限公司 | Rack compacting structure for bogie and method for measuring meshing gap through pressing block |
| CN110723196A (en) * | 2019-10-29 | 2020-01-24 | 昌辉汽车转向系统（黄山）有限公司 | EPS rack clearance buffer stop block assembly |
-
2015
- 2015-05-18 CN CN201520320917.XU patent/CN204775438U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539550A (en) * | 2015-12-30 | 2016-05-04 | 芜湖世特瑞转向系统有限公司 | Steering gear rack pressing structure |
| CN105564494A (en) * | 2015-12-30 | 2016-05-11 | 芜湖世特瑞转向系统有限公司 | Pressure-adjustable steering gear rack compaction structure |
| CN105644616A (en) * | 2015-12-30 | 2016-06-08 | 芜湖世特瑞转向系统有限公司 | Steering gear rack tightly-compressing structure capable of increasing contact area |
| CN105667571A (en) * | 2015-12-30 | 2016-06-15 | 芜湖世特瑞转向系统有限公司 | Rack compacting structure for bogie and method for measuring meshing gap through pressing block |
| CN110723196A (en) * | 2019-10-29 | 2020-01-24 | 昌辉汽车转向系统（黄山）有限公司 | EPS rack clearance buffer stop block assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201821 Shanghai Jiading District City Yongsheng Road No. 2001 Patentee after: BOSCH Huayu Steering System Co., Ltd. Address before: 201821 Shanghai Jiading District City Yongsheng Road No. 2001 Patentee before: ZF Shanghai Steering Systems Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20210518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |