CN102167073A - Steering column and sliding retention sleeve thereof - Google Patents
Steering column and sliding retention sleeve thereof Download PDFInfo
- Publication number
- CN102167073A CN102167073A CN 201110062182 CN201110062182A CN102167073A CN 102167073 A CN102167073 A CN 102167073A CN 201110062182 CN201110062182 CN 201110062182 CN 201110062182 A CN201110062182 A CN 201110062182A CN 102167073 A CN102167073 A CN 102167073A
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- slippage
- cover body
- elastic strip
- maintainance set
- lower tubular
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Abstract
The invention discloses a sliding retention sleeve, which comprises a sliding sleeve main body. The sliding sleeve main body is provided with a plurality of windows; the windows are provided with elastic piece bodies; the diameter of an outer circle of each elastic piece body is less than the diameter of the outer circle of the sliding sleeve main body, while the diameter of an inner circle of each elastic piece body is less than the diameter of the inner circle of the sliding sleeve main body. The sliding sleeve main body is provided with a plurality of windows; and the windows are provided with the elastic piece bodies. The diameter of the outer circle of each elastic piece body is designed to be less than the outer diameter of the outer circle of the sliding sleeve main body so that the elastic piece bodies have a space expanding towards the outer circle when being pressed by a lower pipe column body; the diameter of the inner circle of each elastic piece body is designed to be less than the diameter of the inner circle of the sliding sleeve main body, so that interference contact between the lower pipe column body and the elastic piece bodies causes the elastic piece bodies to elastically deform, and then the lower pipe column body can overcome the friction force of the elastic piece bodies to slide in the sliding retention sleeve in a contact mode. The invention further discloses a steering column with the sliding retention sleeve.
Description
Technical field
The present invention relates to the steering column for vehicles technical field, in particular, relate to a kind of Steering gear and slippage maintainance set thereof.
Background technology
At present, the Steering gear that generally adopts in the automobile steering system is an adjustable steering column.Because adjustable steering column has angle regulating function and axial adjustment function simultaneously, so it is used more and more widely.Adjustable steering column generally comprises tube column, lower tubular column body and is set on the lower tubular column body, and the slippage maintainance set between last tube column and lower tubular column body.
For angle regulating function and the axial adjustment function that satisfies Steering gear, should guarantee to leave between the assembly part certain assembly clearance to guarantee reciprocal smooth slippage, guarantee that again assembly clearance can not be excessive, otherwise cause abnormal sound easily.So the quality of fit to assembly part on the structure is had relatively high expectations, part must be matched processing even.
Need badly a kind of lowly at present, and can satisfy the angle regulating function of Steering gear and the slippage maintainance set of axial adjustment function requirement on machining accuracy.
Summary of the invention
In view of this, the invention provides a kind of Steering gear and slippage maintainance set thereof, low to realize to requirement on machining accuracy, and can satisfy the angle regulating function of Steering gear and the purpose of axial adjustment function.
For achieving the above object, the invention provides following technical scheme:
A kind of slippage maintainance set, comprise slippage cover body, offer several windows on this slippage cover body, described window is provided with elastic strip body, the outside diameter of this elastic strip body is less than the outside diameter of described slippage cover body, and circular diameter is less than the interior circular diameter of described slippage cover body in it.
Preferably, in above-mentioned slippage maintainance set, described window is 2-6 that distributes along described slippage cover body circumferencial direction.
Preferably, in above-mentioned slippage maintainance set, each described window is along described slippage cover body circumferencial direction rectangular distribution.
Preferably, in above-mentioned slippage maintainance set, described elastic strip body is 2-4, and the axial distribution of overlapping body along described slippage.
Preferably, in above-mentioned slippage maintainance set, described elastic strip body comprises the interconnecting gangway that both sides link to each other with described slippage cover body respectively, and the slipping part that links to each other with two interconnecting gangways, and the interior circular diameter of described slipping part is less than the interior circular diameter of described slippage cover body.
Preferably, in above-mentioned slippage maintainance set, the outside diameter of described slipping part is less than the outside diameter of described interconnecting gangway, and circular diameter equates with the interior circular diameter of the interior circular diameter of described slippage cover body in the described interconnecting gangway.
Preferably, in above-mentioned slippage maintainance set, the transition angle of two interconnecting gangways and described slippage cover body is 90～160 °;
The transition angle of described slipping part and two interconnecting gangways is 90～160 °.
Preferably, in above-mentioned slippage maintainance set, described elastic strip body and described slippage cover body are the single injection-molded structure.
A kind of Steering gear comprises the lower tubular column body, is set in the last tube column on the described lower tubular column body and is arranged on slippage cover between described lower tubular column body and the last tube column, and described slippage cover is aforesaid slippage maintainance set;
Described slippage cover body and the described tube column interference fit that goes up cooperate with described lower tubular column body space;
Described lower tubular column body and described elastic strip body interference fit.
Preferably in above-mentioned Steering gear, described lower tubular column body is axially arranged with chute along it;
The described tube column of going up is provided with and the corresponding circular hole of described chute;
Comprise that also passing described circular hole stretches into the interior backing pin of described chute.
From above-mentioned technical scheme as can be seen, slippage maintainance set provided by the invention is offered several windows on slippage cover body, and elastic strip body is set on window.The outside diameter of this elastic strip body is designed to outside diameter less than slippage cover body, when guaranteeing that elastic strip body is subjected to the extruding of lower tubular column body, has the space of expanding to the outer ring; The interior circular diameter design-calculated of elastic strip body is overlapped the interior circular diameter of body less than slippage, can make the lower tubular column body contact with the interference of elastic strip body and cause elastic strip body self to produce elastic deformation, this carries out the contact slippage with regard to the friction force that causes the lower tubular column body can overcome elastic strip body in the slippage maintainance set.
Steering gear provided by the invention, after its slippage cover body and the last tube column interference assembling, the slippage maintainance set can not move freely in last tube column.Lower tubular column body and slippage cover body free-running fit, with the elastic strip body interference fit, the lower tubular column body contacts with the interference of elastic strip body and causes elastic strip body self to produce elastic deformation, and this carries out the contact slippage with regard to the friction force that makes the lower tubular column body can overcome elastic strip body in the slippage maintainance set.
The present invention because the contact slippage has realized the cooperation of no gap, has avoided the abnormal sound generation again owing to by the elastic deformation function of elastic strip body, can guarantee upper and lower tube column smooth slippage.The present invention assembles reliably, and Stability Analysis of Structures is less demanding to the quality of fit of assembly part, can carry out large batch of suitability for industrialized production, is applicable to various steering axle devices with slippage regulatory function.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the slippage maintainance set that Fig. 1 provides for the embodiment of the invention;
The sectional structure scheme drawing of the slippage maintainance set that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is the cutaway view of Fig. 2 along the A-A line;
Fig. 4 is the partial enlarged drawing of B among Fig. 3;
The structural representation of the Steering gear that Fig. 5 provides for the embodiment of the invention;
The sectional structure scheme drawing of the Steering gear that Fig. 6 provides for the embodiment of the invention.
The specific embodiment
The invention discloses a kind of Steering gear and slippage maintainance set thereof, low to realize to requirement on machining accuracy, and can satisfy the angle regulating function of Steering gear and the purpose of axial adjustment function.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
See also Fig. 1-Fig. 4, the structural representation of the slippage maintainance set that Fig. 1 provides for the embodiment of the invention; The sectional structure scheme drawing of the slippage maintainance set that Fig. 2 provides for the embodiment of the invention; Fig. 3 is the cutaway view of Fig. 2 along the A-A line; Fig. 4 is the partial enlarged drawing of B among Fig. 3.
Slippage maintainance set provided by the invention, comprise slippage cover body 11, wherein, this slippage cover body 11 offers several windows 111 along its circumferencial direction, described window 111 is provided with elastic strip body 12, the outside diameter of this elastic strip body 12 is less than the outside diameter of slippage cover body 11, and circular diameter is less than the interior circular diameter of slippage cover body 11 in it.The outside diameter of elastic strip body 12 is less than the outside diameter of slippage cover body 11, when the inner ring of the elastic strip body 12 that can make is squeezed, and the space that oriented circumferencial direction extends.The interior circular diameter of elastic strip body 12 guarantees that less than the interior circular diameter of slippage cover body 11 inner ring of elastic strip body 12 can contact with the lower tubular column body interference of Steering gear, and guaranteeing does not have the gap between the upper and lower tube column of Steering gear.The lower tubular column body contacts with the interference of elastic strip body and causes elastic strip body 12 self to produce elastic deformation, and this just makes the lower tubular column body in the slippage maintainance set, and the friction force that can overcome elastic strip body 12 carries out the contact slippage.
Preferably, the outside diameter of slipping part 122 is less than the outside diameter of described interconnecting gangway 121, and circular diameter equates with the interior circular diameter of the interior circular diameter of described slippage cover body 11 in the described interconnecting gangway 121.In order to reduce to be out of shape contact point, promptly each elastic strip body 12 is divided into three sections, and the slipping part 122 in the middle of being positioned at is recessed.Elastic strip body 12 is the single injection-molded structure with described slippage cover body 11.Smooth in order to ensure the injection moulding demoulding, the transition angle of every section ladder is 90～160 °, and promptly the transition angle of two interconnecting gangways 121 and described slippage cover body 11 is 90～160 °, and the transition angle of slipping part 122 and two interconnecting gangways 121 is 90～160 °.The transition angle of preferred elastic strip body 12 every section ladders is 120 °.
See also Fig. 5 and Fig. 6, the sectional structure scheme drawing of the Steering gear that the structural representation of the Steering gear that Fig. 5 provides for the embodiment of the invention, Fig. 6 provide for the embodiment of the invention.
Steering gear provided by the invention, comprise lower tubular column body 2, be set in the last tube column 3 on the lower tubular column body 2 and be arranged on aforesaid slippage maintainance set 1 between described lower tubular column body 2 and the last tube column 3, slippage cover body 11 and last tube column 3 interference fit, with lower tubular column body 2 free-running fits, lower tubular column body 2 and described elastic strip body 12 interference fit.
The 1 whole interference of slippage maintainance set is pressed into tube column 3, and lower tubular column body 2 penetrates in the slippage maintainance set 1 then.The excircle dimension of slippage cover body 11 is slightly larger than the interior round size of tube column 3, and interference assembling back slippage maintainance set 1 can not move freely in last tube column 3.The excircle dimension of lower tubular column body 2 is slightly less than the interior round size of slippage cover body 11, be slightly larger than the interior round size of the recessed portion slipping part 122 of elastic strip body 12 again, lower tubular column body 2 contacts with the interference of elastic strip body 12 and causes elastic strip body 12 self to produce elastic deformation, and this carries out the contact slippage with regard to the friction force that makes lower tubular column body 2 can overcome elastic strip body 12 in slippage maintainance set 1.
When elastic strip body 12 and lower tubular column body 2 interference fit, 2 pairs of elastic strip bodies 12 of lower tubular column body apply the swelling force of circumferencial direction, the outwards elastic deformation of expansion takes place along the circumferential direction in causing property lamellar body 12, because the outside diameter of elastic strip body 12 arbitrarily can provide the expansion space for the elastic deformation of elastic strip body 12 less than the outside diameter of slippage cover body 11.When elastic strip body 12 is made up of three sections of two interconnecting gangways 121 and slipping parts 122 etc., with the part of lower tubular column body 2 interference fit only be slipping part 122, its area of contact is littler, and friction force is also minimum, is easy to realize the axial adjustment of upper and lower tube column by applying axial force.Since slippage maintainance set 1 respectively with upper and lower tube column interference fit, and what cooperate does not have the gap between the two, the drawback of abnormal sound when having avoided adjusting, and by elastic strip body 12 is adopted the three-stage structures design, smooth slippage, and the quality of fit of assembly part is less demanding.
As shown in Figure 5, lower tubular column body 2 is axially arranged with chute 21 along it, and last tube column 3 is provided with and described chute 21 corresponding circular holes, certainly, slippage maintainance set 1 be provided with last tube column 3 on the corresponding circular hole of circular hole, backing pin 4 passes described circular hole and stretches in the described chute 21.After backing pin 4 passes the circular hole of tube column 3 and slippage maintainance set main body 1, entered in the chute 21 of lower tubular column body 2, the circumferencial direction that had so both limited lower tubular column body 2 rotates, axial slip distance to lower tubular column body 2 is limited again, the equal in length of axis skidding distance and chute 21 has played the function that prevents to deviate from.
Slippage maintainance set provided by the invention is offered several windows 111 on slippage cover body 11, and elastic strip body 12 is set on window 111.The outside diameter of this elastic strip body 12 is designed to outside diameter less than slippage cover body 11, when guaranteeing that elastic strip body 12 is subjected to 2 extruding of lower tubular column body, has the space of expanding to the outer ring; The interior circular diameter design-calculated of elastic strip body 12 is overlapped the interior circular diameter of body 11 less than slippage, can make lower tubular column body 2 contact with the interference of elastic strip body 12 and cause elastic strip body 12 self to produce elastic deformation, this carries out the contact slippage with regard to the friction force that causes lower tubular column body 2 can overcome elastic strip body 12 in slippage maintainance set 1.
Steering gear provided by the invention, after its slippage cover body 11 assembled with last tube column 3 interference, slippage maintainance set 1 can not move freely in last tube column 3.Lower tubular column body 2 and slippage cover body 11 free-running fits, with elastic strip body 12 interference fit, lower tubular column body 2 contacts with the interference of elastic strip body 12 and causes elastic strip body 12 self to produce elastic deformation, and this carries out the contact slippage with regard to the friction force that makes lower tubular column body 2 can overcome elastic strip body 12 in the slippage maintainance set.
The present invention because the contact slippage has realized the cooperation of no gap, has avoided the abnormal sound generation again owing to by the elastic deformation function of elastic strip body 12, can guarantee upper and lower tube column smooth slippage.The present invention assembles reliably, and Stability Analysis of Structures is less demanding to the quality of fit of assembly part, can carry out large batch of suitability for industrialized production, is applicable to various steering axle devices with slippage regulatory function.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. slippage maintainance set, comprise slippage cover body (11), it is characterized in that, offer several windows (111) on this slippage cover body (11), described window (111) is provided with elastic strip body (12), the outside diameter of this elastic strip body (12) is less than the outside diameter of described slippage cover body (11), and circular diameter is less than the interior circular diameter of described slippage cover body (11) in it.
2. slippage maintainance set as claimed in claim 1 is characterized in that, described window (111) is 2-6 that distributes along described slippage cover body (11) circumferencial direction.
3. slippage maintainance set as claimed in claim 2 is characterized in that, each described window (111) is along described slippage cover body (11) circumferencial direction rectangular distribution.
4. slippage maintainance set as claimed in claim 1 is characterized in that, described elastic strip body (12) is 2-4, and the axial distribution of overlapping body (11) along described slippage.
5. slippage maintainance set as claimed in claim 1, it is characterized in that, described elastic strip body (12) comprises the interconnecting gangway (121) that both sides link to each other with described slippage cover body (11) respectively, and the slipping part (122) that links to each other with two interconnecting gangways (121), the interior circular diameter of described slipping part (122) is less than the interior circular diameter of described slippage cover body (11).
6. slippage maintainance set as claimed in claim 5, it is characterized in that, the outside diameter of described slipping part (122) is less than the outside diameter of described interconnecting gangway (121), and the interior circular diameter of described interconnecting gangway (121) equates with the interior circular diameter of the interior circular diameter of described slippage cover body (11).
7. slippage maintainance set as claimed in claim 5 is characterized in that, two interconnecting gangways (121) are 90～160 ° with the transition angle of described slippage cover body (11);
Described slipping part (122) is 90～160 ° with the transition angle of two interconnecting gangways (121).
8. slippage maintainance set as claimed in claim 1 is characterized in that, described elastic strip body (12) is the single injection-molded structure with described slippage cover body (11).
9. Steering gear, comprise lower tubular column body (2), be set in the last tube column (3) on the described lower tubular column body (2) and be arranged on described lower tubular column body (2) and last tube column (3) between the slippage cover, it is characterized in that described slippage cover is as any described slippage maintainance set of claim 1-8 (1);
Described slippage cover body (11) and described tube column (3) interference fit that goes up are with described lower tubular column body (2) free-running fit;
Described lower tubular column body (2) and described elastic strip body (12) interference fit.
10. Steering gear as claimed in claim 9 is characterized in that, described lower tubular column body (2) is axially arranged with chute (21) along it;
The described tube column (3) of going up is provided with and the corresponding circular hole of described chute (21);
Comprise that also passing described circular hole stretches into the interior backing pin (4) of described chute (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110062182 CN102167073A (en) | 2011-03-15 | 2011-03-15 | Steering column and sliding retention sleeve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110062182 CN102167073A (en) | 2011-03-15 | 2011-03-15 | Steering column and sliding retention sleeve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102167073A true CN102167073A (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110062182 Pending CN102167073A (en) | 2011-03-15 | 2011-03-15 | Steering column and sliding retention sleeve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102167073A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963414A (en) * | 2012-12-03 | 2013-03-13 | 四川绵阳三力股份有限公司 | Steering column of automobile |
| CN104494683A (en) * | 2014-10-31 | 2015-04-08 | 重庆长风机器有限责任公司 | Crumple energy absorption type automobile steering pipe column assembly and assembling method thereof |
| CN110799406A (en) * | 2017-06-29 | 2020-02-14 | 蒂森克虏伯普利斯坦股份公司 | Steering shaft for a motor vehicle and method for producing the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1113147A (en) * | 1965-12-23 | 1968-05-08 | Bendix Corp | Axially adjustable steering columns |
| IT1236575B (en) * | 1987-03-03 | 1993-03-16 | Alfa Lancia Ind S R L Arese Mi | STEERING COLUMN EQUIPPED WITH ELASTIC VEHICLES FOR THE RECOVERY OF GAMES |
| FR2741317A1 (en) * | 1995-11-21 | 1997-05-23 | Ecia Equip Composants Ind Auto | Telescopic steering shaft for motor vehicle |
| CN2875701Y (en) * | 2005-12-29 | 2007-03-07 | 西安航空发动机（集团）有限公司 | Abrasive wheel reseater for inner, outer ball surface |
| KR20100011812A (en) * | 2008-07-25 | 2010-02-03 | 한국델파이주식회사 | Telescopic bushing of telescopic steering column |
| CN201553191U (en) * | 2007-03-21 | 2010-08-18 | 德尔菲技术公司 | System for manufacturing adjustable steering post with sleeve and shaping filler |
-
2011
- 2011-03-15 CN CN 201110062182 patent/CN102167073A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1113147A (en) * | 1965-12-23 | 1968-05-08 | Bendix Corp | Axially adjustable steering columns |
| IT1236575B (en) * | 1987-03-03 | 1993-03-16 | Alfa Lancia Ind S R L Arese Mi | STEERING COLUMN EQUIPPED WITH ELASTIC VEHICLES FOR THE RECOVERY OF GAMES |
| FR2741317A1 (en) * | 1995-11-21 | 1997-05-23 | Ecia Equip Composants Ind Auto | Telescopic steering shaft for motor vehicle |
| CN2875701Y (en) * | 2005-12-29 | 2007-03-07 | 西安航空发动机（集团）有限公司 | Abrasive wheel reseater for inner, outer ball surface |
| CN201553191U (en) * | 2007-03-21 | 2010-08-18 | 德尔菲技术公司 | System for manufacturing adjustable steering post with sleeve and shaping filler |
| KR20100011812A (en) * | 2008-07-25 | 2010-02-03 | 한국델파이주식회사 | Telescopic bushing of telescopic steering column |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963414A (en) * | 2012-12-03 | 2013-03-13 | 四川绵阳三力股份有限公司 | Steering column of automobile |
| CN102963414B (en) * | 2012-12-03 | 2015-07-08 | 四川绵阳三力股份有限公司 | Steering column of automobile |
| CN104494683A (en) * | 2014-10-31 | 2015-04-08 | 重庆长风机器有限责任公司 | Crumple energy absorption type automobile steering pipe column assembly and assembling method thereof |
| CN110799406A (en) * | 2017-06-29 | 2020-02-14 | 蒂森克虏伯普利斯坦股份公司 | Steering shaft for a motor vehicle and method for producing the same |
| CN110799406B (en) * | 2017-06-29 | 2022-10-14 | 蒂森克虏伯普利斯坦股份公司 | Steering shaft for a motor vehicle and method for producing the same |
| US11472467B2 (en) | 2017-06-29 | 2022-10-18 | Thyssenkrupp Presta Ag | Steering shaft for a motor vehicle and method for the production thereof |
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Application publication date: 20110831 |