CN206682315U - A kind of protective case and manual steering gear input shaft anti-rust structure - Google Patents
A kind of protective case and manual steering gear input shaft anti-rust structure Download PDFInfo
- Publication number
- CN206682315U CN206682315U CN201720227873.5U CN201720227873U CN206682315U CN 206682315 U CN206682315 U CN 206682315U CN 201720227873 U CN201720227873 U CN 201720227873U CN 206682315 U CN206682315 U CN 206682315U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- protective case
- input shaft
- gear input
- base
- 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
Links
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- Steering Controls (AREA)
- Power Steering Mechanism (AREA)
- Gear Transmission (AREA)
Abstract
A kind of protective case and manual steering gear input shaft anti-rust structure, including protective case body are the utility model is related to, protective case body includes steering gear input shaft protective case and base protective case；The lower end of steering gear input shaft protective case connects as one structure with the upper end of base protective case；The internal diameter of the upper end of steering gear input shaft protective case is broadening formation structure.The technical program is by protecting nested structure; so that steering gear input shaft protective case be placed on steering gear input shaft and with steering gear input shaft common rotation; base protective case coordinates and relatively rotated with steering gear housing body space; it can prevent the impurity such as dust and water from entering steering gear housing from input shaft outward flange; it is deposited at the bearing of support input shaft; steering gear input shaft is caused to rotate clamping stagnation; the liquid impurities such as rainwater, which enter inside steering gear housing, can make rack-and-pinion corrosion; engagement has some setbacks, and influences the feel turned to.
Description
Technical field
The utility model belongs to mechanical steering system technical field, particularly relates to a kind of protective case and manual steering gear input
Axle anti-rust structure.
Background technology
Manual steering gear：By a pair of intermeshing little gears and rack, input of the little gear usually as input torque
Axle, when input shaft rotates, rack just moves along a straight line, and rack drives drag link, turns to tire, manual steering gear is compared with hydraulic rotation
It is simple in construction to device, eliminate the hydraulic reversing valve mechanism of input shaft pinion end.
For modern household sedan steering system more and more using electric boosted, hydraulic power-assisted steering has been tending towards naughty
Eliminate, chassis higher commercial vehicle MPV and large-scale SUV is also gradually using electric power steering at present, wherein with pipe column type power-assisted
(C-EPS) in the majority, motor is located at steering wheel arranged beneath on steering column, the motor offer power-assisted electric current of tubing string, on tubing string
Reducing gear power-assisted is amplified and passes to by steering intermediate shaft the input of steering gear, steering gear is using simple in construction
Mechanically, received by a pair of intermeshing little gears and rack, little gear usually as the input shaft of input torque from pipe
The moment of torsion and corner that post passes over, when input shaft rotates, rack just moves along a straight line, and rack drives drag link, makes tyre revolution
To.
As shown in figure 1, steering gear input can be run into when applying pipe column type power-assisted steering in the higher vehicle in chassis at present
End is nearer apart from body dash board, so the sealing structure for crossing front wall is generally made on steering intermediate shaft, in driver's cabin interior sealing,
Manual steering gear lacks the parts such as hydraulic steering gear rotary valve, so steering gear housing 02 exists due to being simple gear shaft structure
Height is very low on input shaft 01, and the upper end of input shaft 01 is all in enging cabin.Because gear shaft surface needs precision pole
High machining, it is impossible to any surface treatment is done, so gear shaft upper end can cause corrosion in enging cabin for a long time,
Influence hair cabin aesthetic interior, if in a humidity environment may corrosion can bring more serious interim card, the problems such as performance failure.
Utility model content
The purpose of this utility model is to provide a kind of protective case and manual steering gear input shaft anti-rust structure, to avoid corrosion
The interim card brought, the problems such as performance failure.
The utility model is achieved through the following technical solutions：
A kind of protective case, including protective case body, the protective case body include steering gear input shaft protective case and base
Protective case；
The lower end of the steering gear input shaft protective case and the upper end of the base protective case connect as one structure；
The internal diameter of the upper end of the steering gear input shaft protective case is broadening formation structure；
The internal diameter of the steering gear input shaft protective case is less than the internal diameter of the base protective case.
The inner surface of the broadening formation structure of the upper end of the steering gear input shaft protective case and the steering gear input shaft
The angle of the center line of protective case is 0.5-2 degree.
The inner surface of the broadening formation structure of the upper end of the steering gear input shaft protective case and the steering gear input shaft
The angle of the center line of protective case is 1 degree.
A kind of manual steering gear input shaft anti-rust structure, include the protective case of any of the above-described, in addition to steering gear input
Axle and steering gear housing；The lower end of the steering gear input shaft rotates and is arranged in the steering gear housing body；
The steering gear input shaft protective case of the protective case is fixed and is placed on the steering gear input shaft；
The base protective case activity is placed on the steering gear housing, the base protective case and the steering gear housing
Gap coordinates.
The steering gear input shaft protective case is interference fitted with the steering gear input shaft.
Radial clearance between the base protective case and the steering gear housing is 1-1.5mm.
The beneficial effects of the utility model are：
The technical program is by protecting nested structure so that steering gear input shaft protective case be placed on steering gear input shaft and with
Steering gear input shaft common rotation, base protective case and steering gear housing body space coordinate and relatively rotated, can prevent dust with
The impurity such as water enter steering gear housing from input shaft outward flange, are deposited at the bearing of support input shaft, cause steering gear to input
Axle rotates the liquid impurity such as clamping stagnation, rainwater can make rack-and-pinion corrosion into steering gear housing inside, and engagement has some setbacks, and influence to turn
To feel.
The technical program by steering gear input shaft protective case and steering gear input shaft interference fit avoid protective case with
Abnormal sound caused by friction between steering gear input shaft.
Brief description of the drawings
Fig. 1 is prior art manual steering gear schematic diagram；
Fig. 2 is the utility model protective case sectional view；
Fig. 3 is the utility model manual steering gear input shaft anti-rust structure schematic diagram；
Fig. 4 is Fig. 3 A-A sectional views；
Fig. 5 is Fig. 4 partial enlarged drawing.
Description of reference numerals
01 input shaft, 02 steering gear housing, 1 steering gear input shaft, 2 steering gear housings, 3 protective cases, 31 steering gears input
Protective shaft jacket, 32 base protective cases.
Embodiment
Describe the technical solution of the utility model in detail by the following examples, following embodiment is only exemplary
, it is only capable of for explanation and illustration the technical solution of the utility model, and be not to be construed as to technical solutions of the utility model
Limitation.
The application provides a kind of protective case, as shown in Fig. 2 including protective case body, the protective case body includes turning to
Device inputs protective shaft jacket 31 and base protective case 32；The protective case body material of the application can be the plastics such as PP, be hollow pipe
Shape structure.
The lower end of the steering gear input shaft protective case 31 and the upper end of the base protective case connect as one structure.
The internal diameter of the upper end of the steering gear input shaft protective case is broadening formation structure.
The internal diameter of the steering gear input shaft protective case is less than the internal diameter of the base protective case.
The inner surface of the broadening formation structure of the upper end of the steering gear input shaft protective case and the steering gear input shaft
The angle of the center line of protective case is 0.5-2 degree.
The inner surface of the broadening formation structure of the upper end of the steering gear input shaft protective case and the steering gear input shaft
The angle of the center line of protective case is 1 degree.
The application also provides a kind of manual steering gear input shaft anti-rust structure, as shown in Figures 3 to 5, including it is any of the above-described
The protective case 3 of item, in addition to steering gear input shaft 1 and steering gear housing 2；The lower end of the steering gear input shaft 1, which rotates, to be set
In in the steering gear housing 2.
The steering gear input shaft protective case of the protective case is fixed and is placed on the steering gear input shaft；The steering gear is defeated
Enter protective shaft jacket and the steering gear input shaft to be interference fitted, press press-in steering gear input shaft can be used during assembling.
Steering gear input shaft protective case is assemblied on steering gear input shaft by press, the position on steering gear input shaft
Controlled by the displacement value of press, base protective case covers steering gear housing, and keeps gap to match somebody with somebody with steering gear housing outer ring
Close.
The base protective case activity is placed on the steering gear housing, the base protective case and the steering gear housing
Gap coordinates.Radial clearance between the base protective case and the steering gear housing is 1-1.5mm.
Working condition is that protective case rotates with steering gear input shaft, and protective case is to relatively rotate with steering gear housing
Working condition, due to steering gear input shaft relative to steering gear housing be rotate, the utility model design protective case and steering
Input shaft assembling designs for interference, and design advantage is herein：Advantage one, prevent the impurity such as dust and water from steering gear input shaft
Outward flange enters steering gear housing, is deposited at the bearing of support steering gear input shaft, causes steering gear input shaft to rotate clamping stagnation,
The liquid impurities such as rainwater, which enter inside steering gear housing, can make rack-and-pinion corrosion, and engagement has some setbacks, and influence the feel turned to, excellent
Point two：The interference design of protective case and steering gear input shaft is avoided caused by the friction between protective case and steering gear input shaft
Abnormal sound.
The utility model has carried out detailed explanation by preferred embodiment.However, by studying carefully above,
Apparent to change and increase and those of ordinary skill in the art to each embodiment.It is intended that institute
There are these to change and increase all to fall in the scope that the utility model claims are protected.
Claims (5)
- A kind of 1. protective case, it is characterised in that：Including protective case body, the protective case body is protected including steering gear input shaft Set and base protective case；The lower end of the steering gear input shaft protective case and the upper end of the base protective case connect as one structure；The internal diameter of the upper end of the steering gear input shaft protective case is broadening formation structure；The internal diameter of the steering gear input shaft protective case is less than the internal diameter of the base protective case；The inner surface of the broadening formation structure of the upper end of the steering gear input shaft protective case is protected with the steering gear input shaft The angle of the center line of set is 0.5-2 degree.
- 2. protective case according to claim 1, it is characterised in that：The loudspeaker of the upper end of the steering gear input shaft protective case The angle of the inner surface of O-shaped structure and the center line of the steering gear input shaft protective case is 1 degree.
- A kind of 3. manual steering gear input shaft anti-rust structure, it is characterised in that：Including any one of the claims 1 to 2 Protective case, in addition to steering gear input shaft and steering gear housing；The lower end of the steering gear input shaft, which rotates, is arranged at described turn Into device housing；The steering gear input shaft protective case of the protective case is fixed and is placed on the steering gear input shaft；The base protective case activity is placed on the steering gear housing, the base protective case and the steering gear housing body space Coordinate.
- 4. manual steering gear input shaft anti-rust structure according to claim 3, it is characterised in that：The steering gear input shaft Protective case is interference fitted with the steering gear input shaft.
- 5. manual steering gear input shaft anti-rust structure according to claim 3, it is characterised in that：The base protective case with Radial clearance between the steering gear housing is 1-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720227873.5U CN206682315U (en) | 2017-03-10 | 2017-03-10 | A kind of protective case and manual steering gear input shaft anti-rust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720227873.5U CN206682315U (en) | 2017-03-10 | 2017-03-10 | A kind of protective case and manual steering gear input shaft anti-rust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206682315U true CN206682315U (en) | 2017-11-28 |
Family
ID=60392742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720227873.5U Expired - Fee Related CN206682315U (en) | 2017-03-10 | 2017-03-10 | A kind of protective case and manual steering gear input shaft anti-rust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206682315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733558A (en) * | 2018-07-19 | 2020-01-31 | 日立汽车***株式会社 | Steering device |
-
2017
- 2017-03-10 CN CN201720227873.5U patent/CN206682315U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733558A (en) * | 2018-07-19 | 2020-01-31 | 日立汽车***株式会社 | Steering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171128 Termination date: 20200310 |