CN207257758U - Noiseless steering column adjusting mechanism - Google Patents
Noiseless steering column adjusting mechanism Download PDFInfo
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- CN207257758U CN207257758U CN201721086314.3U CN201721086314U CN207257758U CN 207257758 U CN207257758 U CN 207257758U CN 201721086314 U CN201721086314 U CN 201721086314U CN 207257758 U CN207257758 U CN 207257758U
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- cam
- concave part
- convex teeth
- teeth portion
- steering column
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Abstract
The utility model discloses a kind of noiseless steering column adjusting mechanism, including adjusting bracket, rotatable regulation handle is connected with by adjusting bolt pair in adjusting bracket, regulation handle drives a pair of cams in cam mechanism to relatively rotate, the cam is circumferentially equipped with convex teeth portion vertically, concave part is formed between adjacent tooth portion, the corresponding arc length of concave part is more than the corresponding arc length of convex teeth portion；Two cams are oppositely arranged, wherein the convex teeth portion of a side stretches into the concave part of the opposing party, form spacing, the circumferential side wall of convex teeth portion and the circumferential side wall of concave part spacing side wall each other in the circumferential each other；Plastic spacer is fixed with least one of which cam, plastic spacer at least covers the spacing side wall of cam.The beneficial effects of the utility model are can to eliminate the noise for adjusting and being sent during steering column.
Description
Technical field
The utility model belongs to auto parts and components field, is specifically a kind of noiseless steering column adjusting mechanism.
Background technology
At present, the quantity of motor vehicle and automobile driver is significantly increased.Different drivers may be when different
Section drives same car, and same driver may also drive different cars in different periods.For example, there are two automobiles in family, put down
When driven respectively by two kinsfolks, two people can also change the car for holding other side once in a while.Due to size difference, driving habit difference etc.
Reason, on same car, different drivers is different to the status requirement of steering wheel.Early stage development of automobile,
The position of steering wheel is designed to what can not be adjusted, can only actively be adapted to by different drivers.Presently commercially available home-use automobile
Generally be equipped with steering column adjusting mechanism, the height and length of steering column can be adjusted as needed, make steering wheel can on
Lower front and back position is adjusted, to meet the needs of driver.Chinese patent literature CN205075879U, it is open on March 9th, 2016
" steering column and its regulating system ", including steering column (1), upper bracket (2), the folder being arranged on steering column (1) outer wall
Locking bracket (3), cam disc (4) and handle assembly.Upper bracket (2) includes the side plate (21,22) of a pair of of holing clip locking bracket (3),
Handle assembly includes handle, bolt (52) and locking nut (53).Bolt (52) sequentially passes through handle, cam disc (4), upper bracket
(2) the first side plate (21), after clamping the second side plate (22) of stent (3) and upper bracket (2).It is characterized in that, cam disc (4)
Handle side bolster (6), and locking nut (53) and upper bracket (2) are equipped between the first side plate (21) of upper bracket (2)
Nut side bolster (7) is equipped between second side plate (22).The technical solution structure is relative complex, solves the problems, such as also not skilful enough
Wonderful, the solution of noise problem needs to set about from the basic reason for producing noise.
The content of the invention
The utility model technical issues that need to address are that existing steering column adjusting mechanism can be produced in locking or release
Raw noise, so as to provide a kind of noiseless steering column adjusting mechanism, can eliminate the noise for adjusting and being sent during steering column.
In order to realize goal of the invention, the utility model adopts the following technical solution：A kind of noiseless steering column adjusts machine
Structure, including adjusting bracket, are connected with rotatable regulation handle in adjusting bracket by adjusting bolt pair, and regulation handle drives convex
A pair of cams in wheel mechanism can relatively rotate, and the cam is circumferentially equipped with convex teeth portion vertically, between adjacent tooth portion
Concave part is formed, the corresponding arc length of concave part is more than the corresponding arc length of convex teeth portion；Two cams are oppositely arranged, wherein one
The convex teeth portion of side stretches into the concave part of the opposing party, formed in the circumferential each other it is spacing, the circumferential side wall of convex teeth portion and concave part
Circumferential side wall spacing side wall each other；Plastic spacer is fixed with least one of which cam, plastic spacer at least covers cam
Spacing side wall.
The noiseless steering column adjusting mechanism of the technical program design, the lock of regulatory function is realized by a pair of cams
Fixed and release.Each cam is designed with convex teeth portion and concave part, the protrusion direction of convex teeth portion be axially towards another cam,
The depression direction of concave part is to make two cams when to being combined, the convex teeth portion of a side backwards to another cam vertically
Just stretch in the concave part of the opposing party, and since the corresponding arc length of concave part is longer, make the convex teeth portion of a side can be with
Rotate in the concave part of the opposing party, the amplitude of rotation is determined by the length of concave part, i.e., by the week at concave part both ends
Spacing to side wall progress, two limit points are respectively keyed end position and unclamp a point position.Since adjusting is required for a side every time
The convex teeth portion of cam rotates in the spacing scope of concave part of the opposing party, thus every time adjust when one side's cam limiting side
Collision can be produced between wall and the spacing side wall of the opposing party's cam, forms noise.It can be spaced during due to conventional design on cam
The several convex teeth portions of arrangement and concave part, therefore the position for producing collision also has multiple, and noise source quantity also has multiple.To understand
Certainly this noise problem, this programme are equipped with plastic spacer at least one of which cam, and plastic spacer will at least cover limiting side
Wall, makes to keep away using plastic spacer as interval and buffering between the convex teeth portion of two cams of operating and the spacing side wall of concave part
Exempt from both directly to contact, thoroughly abate the noise Producing reason.Can only be located therein a cam as plastic spacer
On, can also all it be set on two cams；Can be it is pre-formed after install or directly by precise injection molding technique
Plastic layer is formed on spacing side wall.
Preferably, the axial bottom wall of the axial roof and concave part of the convex teeth portion is each perpendicular to cam axially and both
Clearance fit；The plastic spacer also covers the axial bottom wall of the axial roof and concave part of convex teeth portion.This programme is by plastic mattress
The coverage of piece has been expanded to the axial bottom wall of the axial roof and concave part of convex teeth portion, that is, the convex teeth portion of side's cam
The bottom in top and the opposing party's camming recess portion form two end faces rotated against, so design one side be prevent this two
Friction noise when a end face rotates, is on the other hand also convenient for the manufacture and installation of plastic spacer, can also improve plastic spacer
Integral strength.
Preferably, it is fixed with plastic spacer on only one cam；Plastic spacer covers the axial roof of convex teeth portion
With the part of the axial bottom wall of concave part, its top surface is equipped with circumferential fin.The axis of the axial roof and concave part of convex teeth portion
Relative rotation relation is had to bottom wall, passes through the top of the part of the axial bottom wall of axial roof and concave part in covering convex teeth portion
Circumferential fin is designed on face, the part contact surface to relatively rotate of plastic spacer is diminished, is rotated more smooth.In order to
Ensure smooth effect, plastic spacer is provided only on one of cam.Fin can also be substituted using groove.
Preferably, the quantity of the fin is 5 ± 2, and each bar fin is parallel to each other.Fin quantity is not easy excessively,
Excessive detailed rules and regulations excessively are easy to wear and deform, and influence service life；It is very few wide, it is difficult to play the effect for reducing contact surface.
In conclusion the beneficial effects of the utility model are：The noise for adjusting and being sent during steering column can be eliminated.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the A direction views of Fig. 1.
Fig. 3 is the axonometric drawing of the utility model.
Fig. 4 is the schematic diagram for the cam mechanism for not installing plastic spacer.
Fig. 5 is the axonometric drawing of Fig. 4.
Fig. 6 is the schematic diagram for the cam mechanism for being mounted with plastic spacer.
Fig. 7 is the axonometric drawing of Fig. 6.
Fig. 8 is the schematic diagram of plastic spacer in Fig. 6.
Fig. 9 is B-B section views partial schematic diagram in Fig. 8.
Figure 10 is the partial schematic diagram at the end face visual angle of plastic spacer.
Wherein：1 steering column, 21 adjusting brackets, 22 adjusting bolt pairs, 23 regulation handles, 24 cam mechanisms, 25 plastic mattresses
Piece, 241 convex teeth portions, 242 concave parts, 251 fins.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
Embodiment as shown in Figure 1, Figure 2, Figure 3 shows, is a kind of noiseless steering column adjusting mechanism.The noiseless steering tube
Column adjusting mechanism includes steering column 1, and steering column is equipped with adjusting bracket 21, is connected in adjusting bracket by adjusting bolt pair 22
Rotatable regulation handle 23 is connected to, regulation handle drives a cam mechanism 24 to act.As shown in Figure 4, Figure 5, cam mechanism
A pair of cams including pairing, each cam are circumferentially equipped with convex teeth portion 241, concave part are formed between convex teeth portion vertically
242, convex teeth portion is 2, and setting is alternated with 2 concave parts.It is corresponding that the corresponding arc length of concave part is more than convex teeth portion
Arc length；Two cams are oppositely arranged, wherein the convex teeth portion of a side stretches into the concave part of the opposing party, form limit in the circumferential each other
Position, the circumferential side wall of convex teeth portion and the circumferential side wall of concave part spacing side wall each other.As shown in Figure 6, Figure 7, one of cam
On be fixed with plastic spacer 25, plastic spacer not only covers the spacing side wall of cam, also cover the axial roof of convex teeth portion with it is recessed
The axial bottom wall of concave portion, forms the thin space body of a non-regular shape, be closely fitted in cam with it is another convex
Take turns on opposite end face.As shown in Fig. 8, Fig. 9, Figure 10, the axial direction of the axial roof and concave part of plastic spacer covering convex teeth portion
The part of bottom wall, its top surface are equipped with circumferential fin 251, and fin quantity is 5 in this example, and each bar fin is parallel to each other,
It is distributed according to donut.
The noiseless steering column adjusting mechanism of this example, when needing to adjust, pulls regulation handle, produces two cams
Relatively rotate, since the presence of plastic spacer, the contact surface of cam will not be contacted directly during rotation, prevented friction and made an uproar
Sound；Cam rotation to the end when, plastic spacer is interposed between the spacing side wall of two cams, avoid because two side directly hit production
Raw noise.Therefore the usage experience of this noiseless steering column adjusting mechanism is more preferable, the NHV significant effects of vehicle, drives more
Comfortably.
Claims (4)
1. a kind of noiseless steering column adjusting mechanism, including adjusting bracket (21), pass through adjusting bolt pair in adjusting bracket
(22) rotatable regulation handle (23) is connected with, regulation handle drives a pair of cams in cam mechanism (24) opposite can turn
It is dynamic, it is characterized in that, the cam is circumferentially equipped with convex teeth portion (241) vertically, and adjacent tooth forms concave part between portion
(242), the corresponding arc length of concave part is more than the corresponding arc length of convex teeth portion；Two cams are oppositely arranged, wherein a side
Convex teeth portion stretches into the concave part of the opposing party, forms spacing, the circumferential side wall of convex teeth portion and the circumferential direction of concave part in the circumferential each other
Side wall spacing side wall each other；Plastic spacer (25) is fixed with least one of which cam, plastic spacer at least covers cam
Spacing side wall.
2. a kind of noiseless steering column adjusting mechanism according to claim 1, it is characterized in that, the axial direction of the convex teeth portion
The axial bottom wall of roof and concave part is each perpendicular to cam axially and both clearance fits；The plastic spacer also covers convex teeth portion
Axial roof and concave part axial bottom wall.
3. a kind of noiseless steering column adjusting mechanism according to claim 2, it is characterized in that, on only one cam
It is fixed with plastic spacer；The part of the axial bottom wall of the axial roof and concave part of plastic spacer covering convex teeth portion, on its top surface
Equipped with circumferential fin (251).
4. a kind of noiseless steering column adjusting mechanism according to claim 3, it is characterized in that, the quantity of the fin is
5 ± 2, and each bar fin is parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086314.3U CN207257758U (en) | 2017-08-28 | 2017-08-28 | Noiseless steering column adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086314.3U CN207257758U (en) | 2017-08-28 | 2017-08-28 | Noiseless steering column adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207257758U true CN207257758U (en) | 2018-04-20 |
Family
ID=61923127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721086314.3U Active CN207257758U (en) | 2017-08-28 | 2017-08-28 | Noiseless steering column adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207257758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298331A (en) * | 2019-07-26 | 2021-02-02 | 富士机工株式会社 | Steering column device |
-
2017
- 2017-08-28 CN CN201721086314.3U patent/CN207257758U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298331A (en) * | 2019-07-26 | 2021-02-02 | 富士机工株式会社 | Steering column device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |