CN108571585B - Rack abrasion compensation device of automobile steering gear - Google Patents
Rack abrasion compensation device of automobile steering gear Download PDFInfo
- Publication number
- CN108571585B CN108571585B CN201810518132.1A CN201810518132A CN108571585B CN 108571585 B CN108571585 B CN 108571585B CN 201810518132 A CN201810518132 A CN 201810518132A CN 108571585 B CN108571585 B CN 108571585B
- Authority
- CN
- China
- Prior art keywords
- shaped ring
- rack
- groove
- top cover
- shaped
- 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.)
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Classifications
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention provides a rack abrasion compensation device of an automobile steering device, which comprises a shell, wherein a strip-shaped sliding cavity is arranged in the shell, a screw plug, a C-shaped ring and a top block are sequentially arranged from the outer end to the inner end of the sliding cavity, the screw plug is fixedly connected with the inner wall of a first sliding cavity, a groove is formed in the end face of the inner end of the screw plug, the bottom face of the groove is an outer conical surface, a C-shaped clamp spring is fixedly sleeved on the outer circumference of the C-shaped ring, and the inner end face of the C-shaped ring is adhered to the outer conical surface and is in sliding fit with the outer conical surface; the inner end of the jacking block is abutted with the outer end face of the C-shaped ring, and the outer end of the jacking block is fixedly connected with the rack. The C-shaped ring is contracted inwards under the action of the C-shaped clamp spring, and the C-shaped ring moves in the compressing direction of the gear and the rack in the axial direction of the C-shaped ring in the inward contraction process, so that the gear and the rack are automatically compensated after being worn, and meanwhile, the compensation process is stable and reliable under the sliding action of the top cover and the top block, so that the noise problem caused by the abrasion of the gear and the rack is solved.
Description
Technical Field
The invention relates to an automobile steering gear, in particular to a rack abrasion compensation device of the automobile steering gear.
Background
The pinion and rack mechanism of an automotive rack and pinion mechanical steering gear is subject to constant wear during operation. In the prior art, an adjusting mechanism is arranged in the steering gear, and the mechanism adjusts the meshing gap between the gear and the rack through the action of a spring, but the working load of the spring is certain, as the use time is prolonged, the parts in the steering gear are continuously worn, the meshing gap between the gear and the rack is larger and larger, so that the running noise is larger and larger, the riding feeling of the whole automobile is influenced, and consumer complaints are caused.
Disclosure of Invention
In order to solve the problems, the present invention provides a rack wear compensating device of an automobile steering gear,
a rack wear compensation device of an automobile steering gear is characterized in that: the sliding device comprises a shell, wherein a strip-shaped sliding cavity is arranged in the shell, a plug screw, a C-shaped ring and a top block are sequentially arranged from the outer end to the inner end of the sliding cavity, the plug screw is fixedly connected with the inner wall of the first sliding cavity, a groove is formed in the end face of the inner end of the plug screw, the bottom face of the groove is an outer conical surface, a C-shaped clamp spring is fixedly sleeved on the outer circumference of the C-shaped ring, and the inner end face of the C-shaped ring is adhered to the outer conical surface and is in sliding fit with the outer conical surface; the inner end of the top block is abutted with the outer end face of the C-shaped ring, and the outer end of the top block is fixedly connected with the rack.
The method further comprises the following steps: a top cover and an elastic membrane are arranged between the top block and the C-shaped ring, two ends of the elastic membrane are respectively abutted to the top block and the top cover, and the top cover is abutted to the outer end face of the C-shaped ring.
The method further comprises the following steps: the top cover is located in the groove and is in sliding fit with the groove, and the top block is in sliding fit with the sliding cavity.
The method further comprises the following steps: and a retainer ring is fixedly arranged at the outer end of the outer circumference of the top cover and used for stopping on the inner end surface of the screw plug when the top cover slides into the groove.
The method further comprises the following steps: the middle part of the outer conical surface is provided with a slide bar, the middle part of the top cover is provided with a slide groove, and the slide groove is in sliding fit with the slide bar.
The method further comprises the following steps: the outer end face of the top block is provided with a rack accommodating groove.
The invention has the beneficial effects that: the C-shaped ring is contracted inwards under the action of the C-shaped clamp spring, and the C-shaped ring moves in the compressing direction of the gear and the rack along the axial direction of the C-shaped ring in the inward contraction process, so that the gear and the rack are automatically compensated after being worn, and meanwhile, the compensation process is stable and reliable under the sliding action of the top cover and the top block; when the axial force generated by the elastic membrane and the axial force generated by the contraction of the C-shaped ring are balanced, the movement of the C-shaped ring is stopped, and the gap between the gear and the rack caused by abrasion is compensated, so that the noise problem caused by the abrasion of the gear and the rack is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, 1, a top block; 2. an elastic membrane; 3. a top cover; 3-1, check ring; 4. a C-ring; 5. c-shaped clamp springs; 6. a screw plug; 6-1, an outer conical surface; 6-3, through holes; 6-4, sliding bars; 7. a plug pin; 8. a housing; 9. a gear; 10. a rack.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The terms left, middle, right, upper, lower, etc. in the actual examples of the present invention are merely relative concepts or references to the normal use state of the product, and should not be construed as limiting.
The rack abrasion compensation device of the automobile steering gear comprises a shell 8, wherein a strip-shaped sliding cavity is arranged in the shell 8, a screw plug 6, a C-shaped ring 4, a top cover 3, an elastic membrane 2 and a top block 1 are sequentially arranged from the outer end to the inner end of the sliding cavity, the screw plug 6 is fixedly connected with the inner wall of the first sliding cavity, a groove is formed in the inner end face of the screw plug 6, the bottom face of the groove is an outer conical surface 6-1, a C-shaped clamp spring 5 is fixedly sleeved on the outer circumference of the C-shaped ring 4, and the inner end face of the C-shaped ring 4 is bonded with the outer conical surface 6-1 and is in sliding fit with the outer conical surface 6-1; the top cover 3 is abutted to the outer end face of the C-shaped ring 4, two ends of the elastic membrane 2 are respectively abutted to the top block 1 and the top cover 3, the outer end of the top block 1 is fixedly connected with a rack, in particular, a rack accommodating groove is formed in the outer end face of the top block 1, and the rack is fixed in the rack accommodating groove.
Wherein, the top cover 3 is positioned in the groove and is in sliding fit with the groove, and the top block 1 is in sliding fit with the sliding cavity; a retainer ring 3-1 is fixedly arranged at the outer end of the outer circumference of the top cover 3, and the retainer ring 3-1 is used for stopping on the inner end surface of the screw plug 6 when the top cover 3 slides into the groove; the middle part of the outer conical surface 6-1 is provided with a sliding rod 6-4, the middle part of the top cover 3 is provided with a sliding groove, and the sliding groove is in sliding fit with the sliding rod 6-4.
In addition, a through hole 6-3 through which a bolt 7 can pass is formed in the bottom surface of the screw plug 6, the through hole 6-3 is in axial alignment with the openings of the C-shaped ring 4 and the C-shaped clamp spring 5 of the elastic component, the bolt 7 can be firstly clamped at the openings of the C-shaped ring 4 and the C-shaped clamp spring 5 by passing through the through hole 6-3, so that after the inner hole of the elastic component is enlarged, the elastic component is sleeved on the shaft 6-4 of the screw plug 6, the elastic component is installed in the groove of the screw plug 6, and then the bolt 7 is pulled out, so that the installation of the elastic component is completed, namely the C-shaped ring 4 and the C-shaped clamp spring 5.
The working principle of the invention is as follows: because the C-shaped clamp spring 5 has an inward contraction function, an elastic assembly formed by the C-shaped clamp spring 5 and the C-shaped ring 4 has an inward contraction force, when a gap between the gear 9 and the rack 10 becomes larger due to abrasion, the C-shaped ring 4 is contracted inwards under the action of the C-shaped clamp spring 5, and the bottom surfaces of the grooves of the C-shaped ring 4 and the screw plug 6 are two inclined surfaces which are mutually matched and incline towards the gear direction, so that in the inward contraction process of the C-shaped ring 4, the movement pressed towards the gear 9 and the rack 10 is generated in the axial direction of the C-shaped ring 4, and the top cover 3 is pushed to slide and press the elastic membrane 2 and the top block 1. The top cover 3 is provided with a central bulge, the elastic membrane 2 is flat in the initial state, when the central bulge of the top cover 3 is propped against the elastic membrane 2, the elastic membrane 2 bulges to form an axial force to press the pressing block 1, the pressing block 1 pushes the rack 10 to be close to the gear 9, after the axial force generated by the elastic membrane 2 is balanced with the axial force generated by shrinkage of the C-shaped ring 4, the movement of the C-shaped ring 4 is stopped, and a gap between the gear 9 and the rack 10 due to abrasion is compensated. Thereby solving the problem of loud noise caused by abrasion of the gear 9 and the rack 10.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A rack wear compensation device of an automobile steering gear is characterized in that: the novel spiral shell comprises a shell body, wherein a strip-shaped sliding cavity is arranged in the shell body, a spiral plug, a C-shaped ring and a top block are sequentially arranged from the outer end to the inner end of the sliding cavity, the spiral plug is fixedly connected with the inner wall of a first sliding cavity, a groove is formed in the end face of the inner end of the spiral plug, the bottom face of the groove is an outer conical surface, a C-shaped clamp spring is fixedly sleeved on the outer circumference of the C-shaped ring, the C-shaped clamp spring and an elastic component with an inward contraction function, which is formed by the C-shaped clamp spring and the C-shaped ring, the bottom faces of the groove of the C-shaped ring and the bottom face of the spiral plug are two inclined planes which are mutually matched to the direction of a gear, and the inner end face of the C-shaped ring is adhered to the outer conical surface and is in sliding fit with the outer conical surface; the top cover and the elastic membrane are arranged between the top block and the C-shaped ring, the top cover is provided with a central bulge, the initial state of the elastic membrane is flat, two ends of the elastic membrane are respectively abutted against the top block and the top cover, the C-shaped ring is contracted inwards, the C-shaped ring axially generates compressing movement towards the directions of the gear and the rack, the top cover is pushed to slide and compress the elastic membrane and the top block in such a way, when the central bulge of the top cover is abutted against the elastic membrane, the elastic membrane is bulged to form axial force to compress the top block, and the top cover is abutted against the outer end face of the C-shaped ring, and the outer end of the top block is fixedly connected with the rack.
2. The rack wear compensation device of an automotive steering gear according to claim 1, wherein: the top cover is located in the groove and is in sliding fit with the groove, and the top block is in sliding fit with the sliding cavity.
3. The rack wear compensation device of an automobile steering gear according to claim 2, wherein: and a retainer ring is fixedly arranged at the outer end of the outer circumference of the top cover and used for stopping on the inner end surface of the screw plug when the top cover slides into the groove.
4. A rack wear compensation device of an automobile steering gear according to any one of claims 1 to 3, characterized in that: the middle part of the outer conical surface is provided with a slide bar, the middle part of the top cover is provided with a slide groove, and the slide groove is in sliding fit with the slide bar.
5. The rack wear compensation device of an automobile steering gear according to claim 4, wherein: the outer end face of the top block is provided with a rack accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518132.1A CN108571585B (en) | 2018-05-27 | 2018-05-27 | Rack abrasion compensation device of automobile steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518132.1A CN108571585B (en) | 2018-05-27 | 2018-05-27 | Rack abrasion compensation device of automobile steering gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108571585A CN108571585A (en) | 2018-09-25 |
| CN108571585B true CN108571585B (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810518132.1A Active CN108571585B (en) | 2018-05-27 | 2018-05-27 | Rack abrasion compensation device of automobile steering gear |
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| CN (1) | CN108571585B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370855A (en) * | 2020-12-01 | 2021-02-19 | 邱煌庆 | Automobile engine tensioner with wear compensation structure |
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| DE19937254A1 (en) * | 1999-08-06 | 2001-02-15 | Schaeffler Waelzlager Ohg | Thrust piece module to press steering rack against pinion, for motor vehicles has cylindrical housing bush and sliding spring loaded sleeve for spring-loaded thrust piece |
| US7487984B1 (en) * | 2007-10-01 | 2009-02-10 | Gm Global Technology Operations, Inc. | Steering rack wear compensator |
| KR20130043564A (en) * | 2011-10-20 | 2013-04-30 | 츠바키 에머슨 컴퍼니 | Low backlash gear mechanism amd apparatus |
| EP2684770A1 (en) * | 2012-07-13 | 2014-01-15 | TRW Automotive GmbH | Apparatus for pressing a rack against a pinion of a steering gear assembly |
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2018
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| CN104838169A (en) * | 2012-12-03 | 2015-08-12 | 捷太格特欧洲公司 | Gear reducer having a sealing plug providing axial support to a spring for taking up gear play |
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| CN108571585A (en) | 2018-09-25 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220601 Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Applicant after: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Applicant before: XINXIANG AIDIWEI AUTOMOTIVE TECHNOLOGY CO.,LTD. |
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| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Applicant after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Applicant before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |
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