CN203685845U - Bearing structure of steering intermediate shaft - Google Patents
Bearing structure of steering intermediate shaft Download PDFInfo
- Publication number
- CN203685845U CN203685845U CN201320877187.4U CN201320877187U CN203685845U CN 203685845 U CN203685845 U CN 203685845U CN 201320877187 U CN201320877187 U CN 201320877187U CN 203685845 U CN203685845 U CN 203685845U
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- China
- Prior art keywords
- bearing
- intermediate shaft
- bearing structure
- steering intermediate
- utility
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- 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 - Lifetime
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- 239000000446 fuel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Support Of The Bearing (AREA)
Abstract
The utility model discloses a bearing structure of a steering intermediate shaft. The bearing structure comprises a bearing and a rubber sleeve, and is characterized in that the bearing is sleeved on the intermediate shaft in a small clearance fit manner; the intermediate shaft can freely rotate inside the bearing; the rubber sleeve is sleeved on the bearing in an interference fit manner; the bearing is divided into a left part and a right part which are clamped together to form the complete bearing structure. The bearing structure of the steering intermediate shaft, which is disclosed by the utility model, adopts the bearing of the clamped structure, when the design structure of the intermediate shaft cannot meet axial guide assembling of the bearing, the bearing can be assembled in a non-axial guide manner, the function of reducing dust and noise is achieved, the environment inside a passenger cabin of a vehicle is maintained, and the comfort of passengers in driving is improved.
Description
Technical field
The utility model relates to motor turning isolation dust control and noise absorption technical field, relates in particular to a kind of bearing structure of steering intermediate shaft.
Background technique
Motor turning countershaft assembly conventionally can be through front coaming plate simultaneously in engine compartment and passenger cabin; in order to isolate automobile engine nacelle and passenger cabin; prevent that dust, muddy water, noise etc. from affecting occupant's indoor environment; and do not affect jack shaft spinfunction; conventionally can bearing be installed on countershaft assembly at present and be connected with front wall by rubber part, reach the object of dust control and noise absorption.
Bearing of the prior art is generally deep groove ball bearing, and bearing top circle and rubber parts are fixed.Itself and axle means of fixation are generally axial importing, fix, thereby isolation engine compartment and passenger cabin prevent that dust, muddy water, noise etc. from entering passenger cabin and affecting indoor environment with the formation interference assembling of axle special position or bearing two ends with back-up ring.
But bearing of the prior art can only adopt axial lead-in mode and jack shaft assembling.When the mediate medium position of axle of automobile dash board, because structure is limit, bearing only can be assemblied in medium position.But intermediate shaft structure is that middle part is less than normal, two ends be mounted with other larger parts or size own larger than intermediate portion, therefore bearing cannot axially import assembling, also just cannot realize engine compartment and passenger cabin's isolation.
Model utility content
The technical assignment of technical problem to be solved in the utility model and proposition is that prior art is improved, a kind of bearing structure of steering intermediate shaft is provided, the bearing solving in current technology can only adopt axial lead-in mode and jack shaft assembling, causes realizing the problem of engine compartment and passenger cabin's isolation.
For solving above technical problem, the technical solution of the utility model is:
A kind of bearing structure of steering intermediate shaft, comprise bearing and rubber sleeve, it is characterized in that, described bearing is socketed on jack shaft with little Spielpassung, on jack shaft, can in bearing, freely rotate, rubber sleeve adopts interference fit to be sleeved on bearing, and described bearing is divided into left and right two halves, forms complete bearing structure by the mode of engaging.The utility model adopts bearing to engage the mode of composition by left and right, thereby jack shaft assembles without the mode that adopts again axial importing, therefore regardless of the part dimension at jack shaft two ends, can not have influence on assembling, can guarantee that engine compartment and passenger cabin isolate in order.
Further, described bearing adopts two identical half bearing engaging compositions, reduces part kind, is convenient to assembling, there will not be the problem of pairing quantity mistake.
Further, described half bearing is provided with card base in its end face one end radially, and the other end is provided with draw-in groove, is snapped onto in draw-in groove and is made two half bearings form complete bearing structure by card base.
Further, the inner side of described half bearing is provided with trapped fuel groove, and once filling after grease can long-acting lubricating bearings and jack shaft rotation position, can effectively isolate engine compartment noise and dust etc.
Further, the arranged outside of described half bearing has forming tank, guarantees half bearing uniform wall thickness, is beneficial to moulding, and is more conducive to the fixing of rubber sleeve.
Compared with prior art, the utility model advantage is:
The bearing structure of steering intermediate shaft described in the utility model adopts the bearing of snap-in structure, in the time that jack shaft project organization cannot meet bearing shaft to importing assembling, this bearing can be realized non axial importing assembling, meet the function of dust control and noise absorption, keep automotive occupant indoor environment, promote occupant's ride comfort; The little Spielpassung of brearing bore and jack shaft, jack shaft turning function is unaffected; The utility model is simple in structure, and applicability is strong, low cost of manufacture, and it is convenient to assemble.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is horizontal section structural representation of the present utility model;
Fig. 3 is the linkage structure schematic diagram of bearing and jack shaft;
Fig. 4 is the structural representation of half bearing;
Fig. 5 is the structural representation of half bearing outer side surface.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
The bearing structure of the disclosed a kind of steering intermediate shaft of the utility model embodiment, realizes radially snap-fit, and satisfied isolation engine compartment and passenger cabin reach the function of dust control and noise absorption simultaneously.
As shown in Figures 1 to 5, a kind of bearing structure of steering intermediate shaft, comprise bearing 1 and rubber sleeve 2, bearing 1 is socketed on jack shaft 3 with little Spielpassung, on jack shaft 3, can freely rotate bearing 1 is interior, and rubber sleeve 2 adopts interference fit to be sleeved on bearing 1, tension force by rubber parts is fixed, do not relatively rotate, bearing 1 is divided into left and right two halves, adopts two identical half bearings 4 to form complete bearing structure by the mode of engaging.Rubber sleeve 2 is fixed by screw with the front coaming plate of vehicle, and therefore bearing 1 is fixed on front coaming plate by rubber sleeve 2 entirety, and while operation in the time of Vehicular turn, transfixion, separates vehicle engine compartments and passenger cabin thus.
Half bearing 4 is provided with card base 401 in its end face one end radially, and the other end is provided with draw-in groove 402.Be the large intermediate bearing of two ends size position size hour in jack shaft 3 structures, two identical half bearings 4 are from radially relatively packing into, assemble stuck fixing by card base 401 and draw-in groove 402, after assembling, form dead buckle, two-part are normal separation again, form a complete bearing 1 and coordinate with jack shaft 3, realized the function that turns to and isolate engine compartment and passenger cabin.Solve the defect that this structure cannot axially import bearing.Pin 401 and draw-in groove 402 detailed dimensions, through accurate design, guarantee that bearing 1 assembling is reliable, non-loosening, and two-part are not deviate from, and possess good reliability.
The inner side of half bearing 4 is provided with trapped fuel groove 403, and quantity is 3～5, can guarantee to turn to lubricated and sealing.。
The arranged outside of half bearing 4 has forming tank 404.Guaranteed that whole half bearing 4 wall thickness are even, moulding is reliable, and element precision is high.These forming tank 404 shapes can be processed flexibly according to part shape, can be circular groove or square groove, as long as can realize half bearing 4 wall thickness evenly.Forming tank 404 structures are more conducive to fixing with rubber sleeve 2, and the possibility that bearing 1 rotates relative to rubber sleeve 2 is less, has guaranteed the reliability of assembling.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the bearing structure of a steering intermediate shaft, comprise bearing (1) and rubber sleeve (2), it is characterized in that, described bearing (1) is socketed on jack shaft (3) with little Spielpassung, on jack shaft (3), can in bearing (1), freely rotate, it is upper that rubber sleeve (2) adopts interference fit to be sleeved on bearing (1), and described bearing (1) is divided into left and right two halves, forms complete bearing structure by the mode of engaging.
2. the bearing structure of steering intermediate shaft according to claim 1, is characterized in that, described bearing (1) adopts two identical half bearings (4) engaging composition.
3. the bearing structure of steering intermediate shaft according to claim 2, is characterized in that, described half bearing (4) is provided with card base (401) in its end face one end radially, and the other end is provided with draw-in groove (402).
4. the bearing structure of steering intermediate shaft according to claim 2, is characterized in that, the inner side of described half bearing (4) is provided with trapped fuel groove (403).
5. the bearing structure of steering intermediate shaft according to claim 2, is characterized in that, the arranged outside of described half bearing (4) has forming tank (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877187.4U CN203685845U (en) | 2013-12-27 | 2013-12-27 | Bearing structure of steering intermediate shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877187.4U CN203685845U (en) | 2013-12-27 | 2013-12-27 | Bearing structure of steering intermediate shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685845U true CN203685845U (en) | 2014-07-02 |
Family
ID=51007752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877187.4U Expired - Lifetime CN203685845U (en) | 2013-12-27 | 2013-12-27 | Bearing structure of steering intermediate shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738875A (en) * | 2021-08-26 | 2021-12-03 | 四川绵阳三力股份有限公司 | Bearing sealing structure of steering column and front wall plate |
-
2013
- 2013-12-27 CN CN201320877187.4U patent/CN203685845U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738875A (en) * | 2021-08-26 | 2021-12-03 | 四川绵阳三力股份有限公司 | Bearing sealing structure of steering column and front wall plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |