CN205417752U - Automobile steering device - Google Patents
Automobile steering device Download PDFInfo
- Publication number
- CN205417752U CN205417752U CN201521058724.8U CN201521058724U CN205417752U CN 205417752 U CN205417752 U CN 205417752U CN 201521058724 U CN201521058724 U CN 201521058724U CN 205417752 U CN205417752 U CN 205417752U
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- CN
- China
- Prior art keywords
- steering
- housing
- screw
- nut
- pitman shaft
- 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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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses an automobile steering device, which comprises a housin, be equipped with the steering screw who is connected with the steering wheel transmission in the casing, the last screw thread section that is equipped with of steering screw, be equipped with heliciform recess I on the periphery wall of screw thread section, and the suit is equipped with the steering nut in steering screw's the screw thread section, it is equipped with heliciform recess II to correspond with heliciform recess I on the internal perisporium of steering nut, and form the heliciform passageway between II at heliciform recess I and heliciform recess, be equipped with the steel ball in the heliciform passageway, and be equipped with the steel ball pipe that is used for connecting heliciform passageway both ends on the steering nut, the one end of steering nut is equipped with the latch, is equipped with in the casing to turn to the rocking arm axle with the steering screw vertically, turns to the epaxial toothed sector who meshes with the latch that is equipped with of rocking arm, steering screw's one end stretch out the casing outer and the casing between be equipped with sealing washer I, the one end that turns to the rocking arm axle stretch out the casing outer and the casing between be equipped with sealing washer II, and correspond with the other end that turns to the rocking arm axle in the casing and be equipped with the preload adjuster.
Description
Technical field
This utility model relates to a kind of automobile steering device.
Background technology
The effect of steering gear is that power and the motion of steering gear output are passed to deflecting roller, makes both sides deflecting roller deflect to realize motor turning.Existing steering gear includes and steering gear 2, steering drag link 3, and the knuckle arm 4 being articulated and connected with steering drag link 3, steering gear 2 is in transmission connection with steering wheel 1, vehicle hub is provided with knuckle, one end of described knuckle is articulated and connected with knuckle arm 4, the other end is articulated and connected and is provided with tie rod arm 5, is provided with between track rod 6, and steering gear 2 and steering drag link 3 and is provided with pitman arm 7 between two tie rod arms 5.Existing steering gear 2 typically uses recirculating ball-type steering, although existing recirculating ball-type steering disclosure satisfy that use requirement to a certain extent, but still suffers from lack of lubrication and the problem that can not apply to preload.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of automobile steering device, has the advantage that lubrication is abundant and can regulate preload.
For reaching above-mentioned purpose, this utility model following technical scheme of offer:
A kind of automobile steering device, including housing, the steering screw being in transmission connection with steering wheel it is provided with in described housing, described steering screw is provided with the thread segment being positioned at described housing, the periphery wall of described thread segment is provided with helical groove I, and set is equiped with steering nut on the thread segment of described steering screw, it is correspondingly provided with helical groove II with described helical groove I on the internal perisporium of described steering nut, and between described helical groove I and helical groove II, form the helical channel that radial section is circle, it is provided with steel ball in described helical channel, and described steering nut is provided with the steel ball conduit for connecting described helical channel two ends；One end of described steering nut is provided with latch, is provided with the pitman shaft vertical with described steering screw in described housing, and described pitman shaft is provided with the tooth fan engaged with described latch；One end of described steering screw stretch out described housing outer and and described housing between be provided with sealing ring I, one end of described pitman shaft stretch out described housing outer and and described housing between be provided with in sealing ring II, and described housing the other end with described pitman shaft and be correspondingly provided with preload adjustor.
Further, described housing is provided with lubrication hydraulic fluid port.
Further, described housing is provided with observation port.
Further, the upper engaging tooth arranged of described tooth fan is conical tooth, and the pitch diameter of described conical tooth is provided with one end of preload adjustor along described pitman shaft and points to the direction of the other end and be gradually reduced.
The beneficial effects of the utility model are:
Automobile steering device of the present utility model, by arranging sealing ring between the housing of steering gear and steering screw and between pitman shaft, so, i.e. form an airtight space in housing, lubricating oil can be passed through easily, it is ensured that sufficient lubrication between steel ball and helical channel, can be obtained in housing；By arranging preload adjustor in one end of pitman shaft, it is possible to convenient regulation preload, improve and turn to feel and reliability.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, this utility model provides drawings described below to illustrate:
Fig. 1 is the structural representation of this utility model automobile steering device embodiment；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the structural representation of the car steering linkage mechanism using the present embodiment automobile steering device.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As it is shown on figure 3, the structural representation of the car steering linkage mechanism for using the present embodiment automobile steering device.This car steering linkage mechanism, the pitman arm 7 including the steering gear 2 being in transmission connection with steering wheel 1, being in transmission connection with steering gear 2, the steering drag link 3 being articulated and connected with pitman arm 7, the knuckle arm 4 being articulated and connected with steering drag link 3, the knuckle 9 being arranged on wheel 8 wheel hub, the tie rod arm 5 being articulated and connected with knuckle 9 and the track rod 6 being connected with two tie rod arms 5, knuckle arm 4 is articulated and connected with knuckle 9.The automobile steering device 2 of the present embodiment includes housing 10, the steering screw 11 being in transmission connection with steering wheel 1 it is provided with in housing 10, steering screw 11 is provided with the thread segment being positioned at housing 10, the periphery wall of thread segment is provided with helical groove I 12, and set is equiped with steering nut 13 on the thread segment of steering screw 11, it is correspondingly provided with helical groove II with helical groove I 12 on the internal perisporium of steering nut 12, and between helical groove I and helical groove II, form the helical channel that radial section is circle, steel ball 14 it is provided with in helical channel, and steering nut 13 is provided with the steel ball conduit 15 for connecting helical channel two ends.One end of the steering nut 13 of the present embodiment is provided with latch 16, is provided with the pitman shaft 17 vertical with steering screw 11 in housing 10, and pitman shaft 17 is provided with the tooth fan 18 engaged with latch 16, and tooth fan 18 is provided with the engaging tooth engaged with latch 16.One end of steering screw 11 stretch out housing 10 outer and and housing 10 between be provided with sealing ring I 19, one end of pitman shaft 17 stretch out housing 10 outer and and housing 10 between be provided with in sealing ring II 20, and housing 10 other end with pitman shaft 17 and be correspondingly provided with preload adjustor 21.Pitman shaft 17 is connected with pitman arm 7.
Preferably, housing 10 is provided with lubrication hydraulic fluid port 22, it is simple to being passed through lubrication hydraulic fluid port 22, the housing 10 of the present embodiment is provided with observation port 23.The present embodiment tooth fan 18 on arrange engaging tooth be conical tooth, and the pitch diameter of conical tooth along pitman shaft be provided with preload adjustor one end point to the other end direction be gradually reduced.
The automobile steering device of the present embodiment, by arranging sealing ring between the housing of steering gear and steering screw and between pitman shaft, so, i.e. form an airtight space in housing, lubricating oil can be passed through easily, it is ensured that sufficient lubrication between steel ball and helical channel, can be obtained in housing；By arranging preload adjustor in one end of pitman shaft, it is possible to convenient regulation preload, improve and turn to feel and reliability.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, and protection domain of the present utility model is not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (4)
1. an automobile steering device, it is characterized in that: include housing, the steering screw being in transmission connection with steering wheel it is provided with in described housing, described steering screw is provided with the thread segment being positioned at described housing, the periphery wall of described thread segment is provided with helical groove I, and set is equiped with steering nut on the thread segment of described steering screw, it is correspondingly provided with helical groove II with described helical groove I on the internal perisporium of described steering nut, and between described helical groove I and helical groove II, form the helical channel that radial section is circle, it is provided with steel ball in described helical channel, and described steering nut is provided with the steel ball conduit for connecting described helical channel two ends；One end of described steering nut is provided with latch, is provided with the pitman shaft vertical with described steering screw in described housing, and described pitman shaft is provided with the tooth fan engaged with described latch；One end of described steering screw stretch out described housing outer and and described housing between be provided with sealing ring I, one end of described pitman shaft stretch out described housing outer and and described housing between be provided with in sealing ring II, and described housing the other end with described pitman shaft and be correspondingly provided with preload adjustor.
Automobile steering device the most according to claim 1, it is characterised in that: described housing is provided with lubrication hydraulic fluid port.
Automobile steering device the most according to claim 1, it is characterised in that: described housing is provided with observation port.
4. according to the automobile steering device described in any one of claim 1-3, it is characterized in that: the upper engaging tooth arranged of described tooth fan is conical tooth, and the pitch diameter of described conical tooth is provided with one end of preload adjustor along described pitman shaft and points to the direction of the other end and be gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058724.8U CN205417752U (en) | 2015-12-18 | 2015-12-18 | Automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058724.8U CN205417752U (en) | 2015-12-18 | 2015-12-18 | Automobile steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205417752U true CN205417752U (en) | 2016-08-03 |
Family
ID=56537217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521058724.8U Active CN205417752U (en) | 2015-12-18 | 2015-12-18 | Automobile steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205417752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795546A (en) * | 2019-04-09 | 2019-05-24 | 江苏罡阳转向系统有限公司 | A kind of ball-and-nut steering gear of the nut with support construction |
-
2015
- 2015-12-18 CN CN201521058724.8U patent/CN205417752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795546A (en) * | 2019-04-09 | 2019-05-24 | 江苏罡阳转向系统有限公司 | A kind of ball-and-nut steering gear of the nut with support construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |