CN205075878U - Clearance compensation structure and have this clearance compensation structure's steering column - Google Patents
Clearance compensation structure and have this clearance compensation structure's steering column Download PDFInfo
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- CN205075878U CN205075878U CN201520819525.8U CN201520819525U CN205075878U CN 205075878 U CN205075878 U CN 205075878U CN 201520819525 U CN201520819525 U CN 201520819525U CN 205075878 U CN205075878 U CN 205075878U
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- plastic sleeve
- compensation structure
- outer tube
- backlash compensation
- weakness zone
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Abstract
The utility model provides a steering column's clearance compensation structure and steering column system. This clearance compensation structure includes plastic sleeve (1) and outer tube (3), wherein, the inboard of plastic sleeve (1) is provided with clearance fit district (5) and interference fit district (7) for and the cooperation between inner tube (2), wherein, the inboard upper portion of plastic sleeve (1) has two thin zone of weakness territory (5) that are used for clearance fit, has connection zone in advance (7) of the two -stage step form that is used for interference fit in its relative inboard lower part. The utility model provides a clearance between the outer tube in the steering column can be eliminated effectively in clearance compensation structure and the simple structure of steering column system, easily assembly, guarantee steering column in the stability and the reliability of run duration, can the wide application on present various types of steering column.
Description
Technical field
The utility model relates to the backlash compensation structure for Steering gear, particularly relates to the steering column system with this backlash compensation structure.
Technical background
In the design of the pipe of existing Steering gear, in order to adjust its length, between the inner and outer tubes of Steering gear, be provided with plastic sleeve.This plastic sleeve is pressed and is clipped on outer tube.Under normal circumstances, be free-running fit between this plastic sleeve and interior pipe.In Steering gear length adjustment process, in it, pipe is fixing, and plastic sleeve moves together with outer tube.
Due to this length adjustment function, free-running fit can be there is between plastic sleeve and interior pipe.Free-running fit herein refers to the gap (backlash) between plastic sleeve and interior pipe.And this gap will have influence on eigentone and rigidity.Gap can not be eliminated due to the tolerance of single component.
For this reason, a kind of novel backlash compensation structure is urgently provided and there is the Steering gear of this backlash compensation structure, have while structure is simply easy to assembling and can effectively reduce even to eliminate gap to overcome aforementioned defect of the prior art.
Utility model content
The purpose of this utility model is exactly the problem for there is gap in Steering gear during the assembling of pipe, sleeve and outer tube, provides a kind of novel backlash compensation structure, also has structure and be simply easy to the advantages such as assembling while elimination gap meets assembly reliability requirement.
For achieving the above object, a preferred embodiment of the present utility model provides a kind of backlash compensation structure for Steering gear.Described backlash compensation structure comprises plastic sleeve (1) and outer tube (3), wherein, the inner side of described plastic sleeve (1) is provided with free-running fit district (5) and interference fit district (7), for coordinating between interior pipe (2); Wherein, the inside upper part of described plastic sleeve (1) has two weaknesss zone (5) for free-running fit, has for the step-like pre-connection region (7) of the two-stage of interference fit in its relative lower inside.
Further, described plastic sleeve (1) is provided with at least two grooves (4), wherein, at least one slot is in the weakness zone (5) of this plastic sleeve 1 front end, and at least another slot is in the weakness zone (4) of its rear end.
Further, (3) are provided with at least three grooves with described outer tube, and wherein, at least one slot is in described outer tube (3) towards the front end of plastic sleeve (1), and at least two slots are in rear end on the other side; And those grooves define weakness zone corresponding to the weakness zone that arrange upper with described plastic sleeve (1) on described outer tube (3).
Further, the weakness zone that described groove limits defines the service area for eliminating gap, realizes the interference fit between plastic sleeve (1) and outer tube (3).
Further, described plastic sleeve (1) is pressed against in described outer tube (3), makes the upper corresponding groove of the groove (4) on described plastic sleeve (1) and outer tube (3) align or be in identical position.
Further, the stressed weakness zone of this outer tube (3) that makes of the weakness zone (5 ') that the groove on described outer tube (3) limits is together with the weakness zone generation plastic deformation of the plastic sleeve 1 of correspondence.
Further, described interior pipe (2) is inserted in described plastic sleeve (1), and the gap between described interior pipe (2) and plastic sleeve (1) is eliminated due to described plastic deformation.
Further, described pre-connection region (7) is distributed in lower left quarter and the right lower quadrant of described plastic sleeve (1) inner side symmetrically.
Further, described backlash compensation structure also can not arrange plastic sleeve (1), and the distortion of the weakness zone directly utilizing the groove that described outer tube (3) is arranged to be formed is to eliminate gap.
On the other hand, the utility model additionally provides a kind of Steering gear, it is characterized in that, described Steering gear has according to any one backlash compensation structure aforementioned in order to eliminate gap.
The backlash compensation structure that the utility model provides and steering column system structure is simple, cost advantage is obvious, effectively can eliminate the gap between Steering gear inner and outer pipes, ensure the stability that Steering gear runs and reliability, can be widely used on current various types of Steering gear.
Accompanying drawing explanation
Fig. 1 shows the general illustration of the backlash compensation structure that the utility model provides;
Fig. 2 show outer tube shown in Fig. 1 before being deformed after schematic cross-section;
Fig. 3 shows the structural representation that plastic sleeve shown in Fig. 1 and outer tube assemble up;
Fig. 4 shows the structural representation that the Standard shown in interior pipe and Fig. 3 gets up;
Fig. 5 shows the enlarged diagram that the backlash compensation structure shown in Fig. 4 eliminates gap;
Fig. 6 shows the block diagram of a kind of plastic sleeve that the utility model provides;
Fig. 7 shows the cutaway view in axial direction of the plastic sleeve shown in Fig. 6;
Fig. 8 shows the cutaway view radially of the plastic sleeve shown in Fig. 6;
Fig. 9 shows the structure birds-eye view that the plastic sleeve shown in Fig. 6 and outer tube assemble;
Figure 10 shows a kind of Steering gear with the backlash compensation structure that the utility model provides; And
Figure 11 shows the decomposing schematic representation of Steering gear shown in Figure 10.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model exemplary embodiment is elaborated.For clarity and brevity, actual embodiment is not limited to these technical characteristics described in specification sheets.It should be noted that, improving any one practical embodiments, in the process of modification, for realizing a certain specific target, the process of this improvement, modification may be very complicated and consuming time, but this remains routine techniques means for the those skilled in the art knowing the utility model benefit.The present embodiment is implemented under premised on technical solutions of the utility model, gives detailed embodiment and process, but protection domain of the present utility model includes but are not limited to following embodiment.
As shown in Figure 1, the backlash compensation structure that the utility model provides comprises plastic sleeve 1, interior pipe 2 and outer tube 3, and it adopts the tubular construction being similar to spring to eliminate the gap between interior pipe 2 and outer tube 3, and makes to have low sliding force between interior pipe 2 and outer tube 3.Fig. 2 shows the longitudinal section view of the outer tube 3 that the utility model provides, and it can deform after being applied in external force, by initial rounded transitional to profile shown in dotted lines in Figure 2.
As shown in Figure 1, plastic sleeve 1 is provided with at least two grooves, wherein, at least one slot is in the weakness zone 4 of this plastic sleeve 1 front end, and at least another slot is in the weakness zone 4 of its rear end.
Accordingly, outer tube 3 is provided with at least three grooves, wherein, at least one slot is in this outer tube 3 towards the front end of this plastic sleeve 1, and at least two slots are in its rear end; And those grooves define the weakness zone corresponding with the weakness zone that described plastic sleeve 1 is arranged on described outer tube 3; Namely as shown in Figure 3, after plastic sleeve 1 and outer tube 3 fit together, the groove on this plastic sleeve 1 aligns with the groove on outer tube 3 (being in identical position).
The service area for eliminating gap by these slot definitions on plastic sleeve 1 and outer tube 3, realizes the interference fit between plastic sleeve 1 and outer tube 3 simultaneously.Specifically, by being pressed in outer tube 3 by plastic sleeve 1, the groove on plastic sleeve 1 and groove corresponding on outer tube 3 align and are namely in identical position (see Fig. 9).
Fig. 4 shows the assembling schematic diagram of the backlash compensation structure that the utility model provides.Assemble method comprises: first press in plastic sleeve 1 to outer tube 3 to form the interference fit between this plastic sleeve 1 and outer tube 3; Next the weakness zone 5 groove on outer tube 3 formed applies thrust, makes this region of outer tube 3 together with the weakness zone 5 of the plastic sleeve 1 of correspondence, plastic deformation occur, i.e. deformed region 5 '; Finally insert in described plastic sleeve 1 by interior pipe 2 again, the gap 6 (the below arrow indication dotted line see in Fig. 5) between this interior pipe 2 and plastic sleeve 1 is eliminated due to aforementioned plastic deformation.
It should be noted that produce described plastic deformation to relevant weakness zone (5 ', 5) applying pressure also can carry out after interior pipe 2 is assembled.
Fig. 6 shows the block diagram of plastic sleeve 1, and Fig. 7 shows the axial, cross-sectional view of this plastic sleeve 1.The definition free-running fit district 5, inner side of this plastic sleeve and interference fit district 7.These two fitting area are applicable to coordinating between plastic sleeve 1 with interior pipe 2.Specifically: there is in the rear and front end of the inside upper part of plastic sleeve 1 weakness zone 5 as free-running fit respectively.Lower left quarter in its relative inner side and right lower quadrant all have as the step-like pre-connection region 7 (longitudinal section view see Fig. 8) of the two-stage of interference fit.
Those skilled in the art can know according to instruction of the present utility model, and apply pressure and act on weakness zone, this weakness zone can deform, and it can be used and eliminate gap as spring thus.It should be noted that the backlash compensation structure for Steering gear that the utility model provides also can not arrange plastic sleeve 1, and the weakness zone directly utilizing the groove that outer tube 3 is arranged to be formed deforms to eliminate gap.
In addition, being provided with or without in the scheme of plastic sleeve, can arranging to obtain different aforementioned embodiment for the groove determining weakness zone in the outer tube upper limit mentioned by the utility model, this depends on rigidity required in practical application and adjustment force.
According to another aspect of the present utility model, it also offers the steering column system with aforementioned gap collocation structure.Figure 10 shows a specific embodiment of the Steering gear with backlash compensation structure shown in Fig. 1, and Figure 11 further illustrates the exploded drawings of pipe, plastic sleeve and outer tube in this Steering gear.Identical parts and CONSTRUCTED SPECIFICATION describe with reference to above, just repeat no more at this.
The backlash compensation structure that the utility model provides and steering column system structure thereof be simple, be easy to assembling, effectively can eliminate the gap between Steering gear inner and outer pipes, ensure that Steering gear is at the stability of run duration and reliability, can be widely used on current various types of Steering gear.
Although be described in detail the utility model based on preferred embodiment, those skilled in the art should know, and the scope of the utility model request protection is not limited to this preferred embodiment.When not departing from spirit of the present utility model and purport; those of ordinary skill in the art can carry out variations and modifications to embodiment on understanding basis of the present utility model, and therefore falls in the protection domain of the utility model claims restriction.
Claims (10)
1. the backlash compensation structure for Steering gear, it is characterized in that, described backlash compensation structure comprises plastic sleeve (1) and outer tube (3), wherein, the inner side of described plastic sleeve (1) is provided with free-running fit district (5) and interference fit district (7), for coordinating between interior pipe (2); Wherein, the inside upper part of described plastic sleeve (1) has two weaknesss zone (5) for free-running fit, has for the step-like pre-connection region (7) of the two-stage of interference fit in its relative lower inside.
2. backlash compensation structure according to claim 1, it is characterized in that, described plastic sleeve (1) is provided with at least two grooves (4), wherein, at least one slot is in the weakness zone (5) of this plastic sleeve 1 front end, and at least another slot is in the weakness zone (4) of its rear end.
3. backlash compensation structure according to claim 1, it is characterized in that, (3) are provided with at least three grooves with described outer tube, wherein, at least one slot is in described outer tube (3) towards the front end of plastic sleeve (1), and at least two slots are in rear end on the other side; And those grooves define weakness zone corresponding to the weakness zone that arrange upper with described plastic sleeve (1) on described outer tube (3).
4. the backlash compensation structure according to Claims 2 or 3, is characterized in that, the weakness zone that described groove limits defines the service area for eliminating gap, realizes the interference fit between plastic sleeve (1) and outer tube (3).
5. backlash compensation structure according to claim 4, it is characterized in that, described plastic sleeve (1) is pressed against in described outer tube (3), makes the upper corresponding groove of the groove (4) on described plastic sleeve (1) and outer tube (3) align or be in identical position.
6. backlash compensation structure according to claim 5, it is characterized in that, the stressed weakness zone of this outer tube (3) that makes of the weakness zone (5 ') that the groove on described outer tube (3) limits is together with the weakness zone generation plastic deformation of the plastic sleeve 1 of correspondence.
7. backlash compensation structure according to claim 6, it is characterized in that, described interior pipe (2) is inserted in described plastic sleeve (1), and the gap between described interior pipe (2) and plastic sleeve (1) is eliminated due to described plastic deformation.
8. backlash compensation structure according to claim 1, is characterized in that, described pre-connection region (7) is distributed in lower left quarter and the right lower quadrant of described plastic sleeve (1) inner side symmetrically.
9. backlash compensation structure according to claim 7, it is characterized in that, described backlash compensation structure also can not arrange plastic sleeve (1), and the distortion of the weakness zone directly utilizing the groove that described outer tube (3) is arranged to be formed is to eliminate gap.
10. a Steering gear, is characterized in that, described Steering gear has backlash compensation structure according to aforementioned any one claim to eliminate gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819525.8U CN205075878U (en) | 2015-10-21 | 2015-10-21 | Clearance compensation structure and have this clearance compensation structure's steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819525.8U CN205075878U (en) | 2015-10-21 | 2015-10-21 | Clearance compensation structure and have this clearance compensation structure's steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205075878U true CN205075878U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520819525.8U Active CN205075878U (en) | 2015-10-21 | 2015-10-21 | Clearance compensation structure and have this clearance compensation structure's steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205075878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107512304A (en) * | 2017-08-31 | 2017-12-26 | 蒂森克虏伯富奥汽车转向柱(长春)有限公司 | A kind of pilot sleeve component |
-
2015
- 2015-10-21 CN CN201520819525.8U patent/CN205075878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107512304A (en) * | 2017-08-31 | 2017-12-26 | 蒂森克虏伯富奥汽车转向柱(长春)有限公司 | A kind of pilot sleeve component |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |