CN203666755U - Locking mechanism of steering system - Google Patents
Locking mechanism of steering system Download PDFInfo
- Publication number
- CN203666755U CN203666755U CN201320861622.4U CN201320861622U CN203666755U CN 203666755 U CN203666755 U CN 203666755U CN 201320861622 U CN201320861622 U CN 201320861622U CN 203666755 U CN203666755 U CN 203666755U
- Authority
- CN
- China
- Prior art keywords
- cylinder step
- turning rack
- offer
- tilt stand
- catch gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a locking mechanism of a steering system. The locking mechanism enables a steering support and an oblique support to be connected together through a positioning bolt and a sleeve, and the positioning bolt is provided with a cylindrical step type rotating nut which comprises a first cylindrical step and a second cylindrical step. The cylindrical step type rotating nut is used, the oblique support is directly extruded by the first cylindrical step to achieve the locking effect, a radius difference part is used for limiting the rotating nut, damage caused by excessive extrusion is prevented, the steering support does not need to be extruded to be deformed for locking, and the service life of the locking mechanism is prolonged.
Description
Technical field
The utility model relates to a kind of catch gear, especially a kind of catch gear for wheel steering system.
Background technology
Automobile steering system comprises bearing circle and deflector and the column assy for closure dish and deflector, this column assy is one of element of automobile steering system, main transmission chaufeur imposes on the torque of steering handwheel, driving deflector work, to reach the effect of controlling vehicle traveling direction, it is the critical component that determines ride safety of automobile and reliability.Along with the development of auto-industry and improving constantly of car mass, how to guarantee that performance requriements Shi Gejia car production enterprise that column assy meets design guarantees and improves an important step of product design.Column assy comprises turning rack, tilt stand and catch gear, wherein catch gear is the vital parts as whole column assy, to realize the strength member that bearing circle regulating mechanism locked and guaranteed that driving process does not get loose, to the design of this catch gear with improve the important step of Shi Gejia auto parts and components manufacturing enterprise too.
At present, in machinery industry, the catch gear of steering swivel system is all the angle that regulates bearing circle with dowel bolt control steering column, generally adopt in two ways, one is, by catch gear, thereby turning rack crimp is pinned to tilt stand, reach the effect of locking, after this crimp mode repeated usage, locking effect obviously declines, the effect of out of reach locking, and structure is loaded down with trivial details, easily destroy parts; Also having a kind of catch gear is to control locking tilt stand by spring, and after shortcoming is frequent use, spring deformation power reduces, and also obviously reduces along with period of service increases locking effect.
Utility model content
It is a kind of simple in structure, durable in use that the utility model provides, the conveniently steering swivel system catch gear of adjusting angle.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of steering swivel system catch gear, comprise dowel bolt, this dowel bolt is successively through the stay bearing plate at turning rack two ends and the supporting plate at tilt stand two ends, dowel bolt one end is connected with rotary handle by rotating nut, the other end is fixed on turning rack, on dowel bolt between supporting plate, be arranged with sleeve, it is characterized in that: described rotating nut is cylinder step nut, comprise the first cylinder step and the second cylinder step, wherein the first cylinder step can and be locked tilt stand through the stay bearing plate of turning rack one end, the second cylinder step radius is greater than the first cylinder step radius.
Further, offer for by the waist typed through hole of dowel bolt on the supporting plate at described tilt stand two ends, offer the square hole coaxial with waist typed through hole on the stay bearing plate of turning rack one end, dowel bolt adopts square bolt cap to be fixed on this square hole.
Further, on the supporting plate at described tilt stand two ends and the stay bearing plate at turning rack two ends, offer coaxial manhole, with bolts between this manhole.
Further, on described the second cylinder step external cylindrical surface, offer at least one pair of milling plane of symmetry.
Further, described the first cylinder step and the second cylinder stepped ends offer chamfering.
From above technical scheme, the utlity model has following beneficial effect:
Adopt the rotating nut of cylinder step, one end supporting plate that directly pushes tilt stand by the first cylinder step completes locking effect, lock without the deformation of extruding turning rack, the effectively parts of protection mechanism, postpone service life, the second cylinder step radius is greater than the first cylinder step radius, and the radius drop position of formation is spacing for rotating nut is carried out, and prevents that excessive extrusion from causing damage; The angle that regulates tilt stand by the waist typed through hole on the supporting plate of tilt stand, completes steering operation; Square hole on square bolt cap and the stay bearing plate of dowel bolt is used in conjunction with, and plays the effect of restriction dowel bolt rotation; On the second cylinder step external cylindrical surface, offer the milling plane of symmetry, convenient installation.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the utility model steering swivel system catch gear;
Fig. 2 is the part sectional view of the utility model steering swivel system catch gear;
Fig. 3 is the A part enlarged drawing of Fig. 2;
Fig. 4 is the structural representation of turning rack in Fig. 1, and shows stay bearing plate;
Fig. 5 is the structural representation of Fig. 1 medium dip support, and shows supporting plate.
In figure: 1, dowel bolt, 2, turning rack, 21, stay bearing plate, 22, stay bearing plate, 23, square hole, 24, manhole, 3, tilt stand, 31, supporting plate, 32, supporting plate, 33, waist typed through hole, 34, manhole, 4, rotating nut, 41, the first cylinder step, 42, the second cylinder step, 43, the milling plane of symmetry, 5, rotary handle, 6, sleeve.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of preferred implementation of the present utility model is described in detail.
The utility model provides a kind of steering swivel system catch gear, as shown in Figure 1, this catch gear is used for connecting turning rack 2 and tilt stand 3, and by dowel bolt 1, tilt stand 3 and turning rack 2 are locked, this dowel bolt 1 passes the stay bearing plate 21 of turning rack one end successively, the supporting plate 31 of tilt stand one end, the supporting plate 32 of the tilt stand other end, then be fixed in the square hole 23 on turning rack other end stay bearing plate 22 by square bolt cap, prevent that dowel bolt 1 from rotating, the other end of dowel bolt 1 is arranged with rotating nut 4, on dowel bolt between supporting plate 31 and the supporting plate 32 of tilt stand, be arranged with sleeve 6.
As shown in Figures 2 and 3, rotating nut 4 is cylinder stepped ramp type nut, comprise the first cylinder step 41 and the second cylinder step 42, wherein on the second cylinder step external cylindrical surface, offer at least one pair of milling plane of symmetry 43, spanner easy to use carries out Assembly &Disassembly to rotating nut.Described the first cylinder step 41 is through the stay bearing plate 21 of turning rack one end, in the time of locking state, directly push the supporting plate 31 of tilt stand one end, whole tilt stand 3 is moved to the other end along the direction of power, and push the supporting plate 32 of the other end of tilt stand by sleeve 6, supporting plate 32 is contacted with stay bearing plate 22 extruding of the turning rack other end, thereby tilt stand 3 is locked on turning rack 2, the radius of the second cylinder step 42 is greater than the radius of the first cylinder step 41, the radius drop position forming is in the time of locking state, be fastened on the stay bearing plate 21 of turning rack one end, carry out spacing to rotating nut 4, prevent that excessive extrusion from causing mechanism to damage, the second cylinder step 42 is connected by pad and bolt with rotary handle 5, in order to prevent that clashing and breaking from appearring in catch gear, on the end of the first cylinder step 41 and second step 42, all offer chamfering.
As shown in Figure 4 and Figure 5, on the supporting plate 31 and 32 at tilt stand two ends, offer for passing through the coaxial waist typed through hole 33 of dowel bolt 1, on the stay bearing plate 22 of turning rack one end, offer the square hole 23 coaxial with waist typed through hole 33, dowel bolt 1 adopts square bolt cap to be fixed on this square hole 23; On the supporting plate 31 and 32 at described tilt stand two ends, offer manhole 34,, on the stay bearing plate 21 and 22 at turning rack two ends, offer equally manhole 24, this manhole 24 and 34 is coaxial and with bolts.Due to the effect of waist typed through hole 33, can make tilt stand 3 do rotation by a small margin take the axis of manhole 24 and 34 as axle, regulate the angle of tilt stand.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (5)
1. a steering swivel system catch gear, comprise dowel bolt (1), this dowel bolt passes the stay bearing plate (21 at turning rack (2) two ends successively, 22) and the supporting plate (31 at tilt stand (3) two ends, 32), dowel bolt (1) one end is connected with rotary handle (5) by rotating nut (4), the other end is fixed on turning rack (2), supporting plate (31, 32) on the dowel bolt between, be arranged with sleeve (6), it is characterized in that: described rotating nut (4) is cylinder step nut, comprise the first cylinder step (41) and the second cylinder step (42), wherein the first cylinder step (41) can and be locked tilt stand through the stay bearing plate (21) of turning rack one end, the second cylinder step (42) radius is greater than the first cylinder step (41) radius.
2. a kind of steering swivel system catch gear according to claim 1, it is characterized in that: the supporting plate (31 at described tilt stand two ends, 32) on, offer for passing through the waist typed through hole (33) of dowel bolt (1), on the stay bearing plate (22) of turning rack one end, offer the square hole (23) coaxial with waist typed through hole (33), dowel bolt (1) adopts square bolt cap to be fixed on this square hole (23).
3. a kind of steering swivel system catch gear according to claim 1, it is characterized in that: the supporting plate (31 at described tilt stand two ends, 32) and the stay bearing plate (21 at turning rack two ends, 22) on, offer coaxial manhole (34,24), with bolts between this manhole.
4. a kind of steering swivel system catch gear according to claim 1, is characterized in that: on described the second cylinder step (42) external cylindrical surface, offer at least one pair of milling plane of symmetry (43).
5. a kind of steering swivel system catch gear according to claim 1, is characterized in that: described the first cylinder step (41) and the second cylinder step (42) end offer chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861622.4U CN203666755U (en) | 2013-12-25 | 2013-12-25 | Locking mechanism of steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861622.4U CN203666755U (en) | 2013-12-25 | 2013-12-25 | Locking mechanism of steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666755U true CN203666755U (en) | 2014-06-25 |
Family
ID=50963075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320861622.4U Expired - Fee Related CN203666755U (en) | 2013-12-25 | 2013-12-25 | Locking mechanism of steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590354A (en) * | 2014-12-23 | 2015-05-06 | 苏州先锋物流装备科技有限公司 | Adjustable steering wheel device |
-
2013
- 2013-12-25 CN CN201320861622.4U patent/CN203666755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590354A (en) * | 2014-12-23 | 2015-05-06 | 苏州先锋物流装备科技有限公司 | Adjustable steering wheel device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20161225 |