CN204437074U - Steering axle of automobile thrust-bearing - Google Patents
Steering axle of automobile thrust-bearing Download PDFInfo
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- CN204437074U CN204437074U CN201520023977.5U CN201520023977U CN204437074U CN 204437074 U CN204437074 U CN 204437074U CN 201520023977 U CN201520023977 U CN 201520023977U CN 204437074 U CN204437074 U CN 204437074U
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- bearing
- thrust
- sealing lip
- steering axle
- outer cover
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Abstract
Name of the present utility model is called steering axle of automobile thrust-bearing.Belong to technical field of rolling bearings.The O RunddichtringO that it mainly solves existing thrust-bearing assembles the problem that easily comes off, and the not enough problem of sealability.Its major character is: the thrust-bearing comprising a seat ring, blowout patche, a rolling element and outer cover formation; Described shield base inner radius is provided with the sealing lip with skeleton, sealing lip with between king pin for Interference contact coordinates.The utility model easily to come off problem when solving the assembling of current O RunddichtringO, and when solving bearing rotary, O RunddichtringO rotates the play or slip that cause with stub.The utility model has minimizing thrust-bearing amount of parts, is convenient to bearing Installation and Debugging, improves the sealability of bearing and improves the feature in bearing working life, is mainly used in propons and turns to support.
Description
Technical field
The utility model belongs to technical field of rolling bearings, is specifically related to a kind of steering axle of automobile thrust-bearing of new-type sealing configuration, turns to support for automobile front axle.
Background technique
Propons steering position as shown in Figure 1, is equipped with steering axle of automobile thrust-bearing 00, king pin 11.Steering axle of automobile thrust-bearing 00, be generally thrust ball bearing, thrust roller bearing, damping bearing etc., traditional thrust-bearing is not with sealing configuration, and the inefficacy of a lot of thrust-bearing all comes from the loss of lubricating grease and seal failure, muddy water and dust and enters that bearing causes.Along with people are to the raising of propons steering position cognition degree, it is also proposed new requirement to its usability, in this background and under requiring, the thrust-bearing of steering axle starts by not being with sealing configuration to change band sealing configuration into.And the thrust-bearing of band sealing configuration will become following a kind of main trend.
Tradition thrust bearing as shown in Figure 2, wherein 1 be seat ring, 2 for rolling element, 3 for blowout patche, 4 be outer cover.The sealing of thrust-bearing is generally divided into two places: one is on blowout patche and adds sealing, prevents foreign matter from entering from the cooperation place of blowout patche and axle; One is in seat ring and outer cover directly increases sealing, prevents foreign matter from entering from bottom.The utility model mainly solves the sealability problem on blowout patche.
At present, for blowout patche increasing the general type of sealing configuration as shown in Figure 3, the material adding O RunddichtringO 5, an O RunddichtringO between blowout patche 3 and outer cover 4 is generally nitrile butadiene rubber (or other macromolecular material).Its implementation is that on blowout patche, dig a diameter be the groove of d, and then loaded in groove by O RunddichtringO, sealing principle is that O RunddichtringO coordinates with king pin Interference contact, prevents foreign matter from entering the object reaching sealing with this.In this case, following two aspects will be produced not enough: on the one hand, diameter is that d is generally and adds tolerance, be greater than O RunddichtringO external diameter, because O RunddichtringO and stub are interference fit during assembling, and O RunddichtringO does not have skeleton, material softer, by thrust-bearing through on stub time, be very easy to cause O RunddichtringO to be extruded in groove by stub, thus cause O type circle to come off when assembling; On the other hand, sealability, this O type circle is unfixing in groove, and internal diameter and stub are interference fit, during rotation, O RunddichtringO will certainly be followed stub and rotated together, has play or sliding phenomenon occurs, is unfavorable for the flexibility of bearing rotary and the lifting of sealability.
Summary of the invention
The purpose of this utility model is exactly for above-mentioned deficiency, provides a kind of long-life steering axle thrust-bearing, to realize ensureing good processing and assembling, can ensure again to possess good sealability.
Technical solution of the present utility model is: a kind of steering axle of automobile thrust-bearing, comprise the thrust-bearing of a seat ring, blowout patche, a rolling element and outer cover formation, it is characterized in that: described shield base inner radius is provided with sealing lip, sealing lip with between king pin for Interference contact coordinates.
The end face in the inner footpath of the blowout patche described in technical solution of the present utility model digs an installation step; The punching press of shield base inner radius has one to coordinate with this installation step the sealed step contacted, and sealing lip is attached on sealing step.
Sealing lip described in technical solution of the present utility model is nitrile butadiene rubber sealing lip.
Rolling element described in technical solution of the present utility model is cylindrical roller thrust, thrust cone roller, steel ball or metal slide ring.
Seat ring described in technical solution of the present utility model can be provided with the butyronitrile rubber seal ring of band skeleton.
The utility model is on the basis of the thrust roller bearing be made up of a seat ring, blowout patche, an outer cover and a rolling element, at outer cover bottom inner diameter, place is provided with sealing lip, and make sealing lip with between king pin for Interference contact coordinates, sealing lip is firmly attached on outer cover, instead of take to install separately O RunddichtringO additional, can effectively prevent foreign matter from entering the loss of bearing and lubricating grease.The utility model has the following advantages installing and using of knuckle thrust bearing: 1) outer cover and seal ring are united two into one, decrease number of spare parts, technological principle letter, single easy to implement, easy for installation; 2) easily to come off problem when solving the assembling of current O RunddichtringO, when solving bearing rotary, O RunddichtringO rotates the play or sliding problem that cause with stub, grease can be prevented to run off from the matching gap of part, effectively improve sealability.Outer cover and seal ring, compared with conventional art, are integrated by the utility model, have and reduce thrust-bearing amount of parts, are convenient to bearing Installation and Debugging, improve the sealability of bearing and improve the feature in bearing working life.Thrust-bearing described in the utility model is mainly used in propons and turns to support.
Accompanying drawing explanation
Fig. 1 is propons steering position schematic diagram.
Fig. 2 is traditional thrust-bearing schematic diagram.
Fig. 3 is the general sealed structural representation that current thrust-bearing is taked.
Fig. 4 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, propons steering position is equipped with thrust-bearing 00, king pin 11.Namely the utility model is the improvement to thrust-bearing 00.
As shown in Figure 4, the utility model is the new-type sealing configuration thrust-bearing being with the outer cover 6 of sealing and the rolling element 2 between seat ring 1 and blowout patche 3 to form by a seat ring 1, blowout patche 3.Seat ring 1, rolling element 2 are all seat ring, the roller of ordinary construction, same as the prior art.Blowout patche 3, outer cover 6 are new structure.The end face in the inner footpath of blowout patche 3 has dug an installation step, the place's punching press of outer cover 6 bottom inner diameter has one to coordinate with this installation step the sealed step contacted, and sealing lip is attached on sealing step, and after assembling, installation step contacts for coordinating with sealed step.Sealing lip is sulfurized nitrile rubber sealing lip, also can be the sealing lip that other macromolecular material is made, and uses the processes of framework type sealing ring to form, thus forms the outer cover 6 of a band sealing configuration.Sealed lip on outer cover 6 and king pin 11 external diameter interference fit, realize contact seal, can prevent foreign matter from entering and lubricating grease loss, thus can reach good sealing effect, raising bearing life.Rolling element 2 is thrust cone roller, also can be cylindrical roller thrust, steel ball or metal slide ring.Seat ring 1 is provided with the band band butyronitrile rubber seal ring of skeleton or the seal ring of other Deformational patterns.Outer cover 6 port contacts with each other with slope pattern and chamfering place, seat ring 1 slope and assembles, and after closing up, outer cover 6 slope end face is lower than bearing race 1 exterior edge face.
The utility model has following good effect:
1, compared with Fig. 2, in Fig. 4, the utility model adds a sealing lip on outer cover, is not changing the prerequisite of thrust-bearing main structure parameter, is achieving the sealing function of thrust-bearing, improves the life-span of bearing.
2, compared with Fig. 3, in Fig. 3, adopt O RunddichtringO, because O RunddichtringO does not have skeleton, material softer during assembling, by thrust-bearing through on stub time, be very easy to cause O type circle to follow stub and move together, thus cause O type circle assemble time come off; And the utility model adds a sealing lip on outer cover in Fig. 4, the problems such as O type circle comes off during installation, need not be considered, directly by bearing through on stub, quick and easy for installation.
3, compared with Fig. 3, adopt O RunddichtringO in Fig. 3, be not fixing in the groove of blowout patche, and when bearing working rotates, O RunddichtringO also can rotate along with stub together, has play or sliding phenomenon appearance, thus cause sealing effect bad; And the utility model directly adds a sealing lip on outer cover in Fig. 4, during bearing working, sealing lip is non-rotary, only has king pin in rotation.In this case seal ring lip contacts with stub and seals, there is following benefit: can prevent lubricant grease from leaking on the one hand and promote backflow, on the other hand can more effectively prevent foreign matter dust from entering bearing working region, the third aspect can seal ring can not on end face play back and forth.Thus sealing effect is better.
4, compared with Fig. 3, on outer cover, increase sealing lip in Fig. 4 simple, decrease amount of parts, be also easy to Installation and Debugging, reduce cost of production to a certain extent.
5, the utility model thrust-bearing is installed, and processing is simple and easy to implement, quick and easy for installation, improves manufacturing efficiency; Improve bearing seal performance, be conducive to the maintaining cost reducing product.
Claims (5)
1. a steering axle of automobile thrust-bearing, comprise a seat ring (1), thrust-bearing that blowout patche (3), rolling element (2) and an outer cover (6) are formed, it is characterized in that: described outer cover (6) bottom inner diameter place is provided with sealing lip, for Interference contact coordinates between sealing lip with king pin (11).
2. steering axle of automobile thrust-bearing according to claim 1, is characterized in that: the end face in described blowout patche (3) inner footpath has dug an installation step; Outer cover (6) bottom inner diameter place punching press has one to coordinate with this installation step the sealed step contacted, and sealing lip is attached on sealing step.
3. steering axle of automobile thrust-bearing according to claim 1 and 2, is characterized in that: described sealing lip is nitrile butadiene rubber sealing lip.
4. steering axle of automobile thrust-bearing according to claim 1 and 2, is characterized in that: described rolling element (2) is cylindrical roller thrust, thrust cone roller, steel ball or metal slide ring.
5. steering axle of automobile thrust-bearing according to claim 1 and 2, is characterized in that: described seat ring (1) is provided with the butyronitrile rubber seal ring of band skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023977.5U CN204437074U (en) | 2015-01-14 | 2015-01-14 | Steering axle of automobile thrust-bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023977.5U CN204437074U (en) | 2015-01-14 | 2015-01-14 | Steering axle of automobile thrust-bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437074U true CN204437074U (en) | 2015-07-01 |
Family
ID=53604945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023977.5U Active CN204437074U (en) | 2015-01-14 | 2015-01-14 | Steering axle of automobile thrust-bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437074U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989731A (en) * | 2015-07-24 | 2015-10-21 | 山西新环橡塑制品有限公司 | Automobile pressure bearing |
| CN106438682A (en) * | 2016-12-09 | 2017-02-22 | 宁夏诚德汽车轴承制造有限公司 | Special tapered roller thrust bearing for steering knuckle |
| CN109372888A (en) * | 2018-12-20 | 2019-02-22 | 重庆创鸿机电有限公司 | A kind of plane bearing assembly |
-
2015
- 2015-01-14 CN CN201520023977.5U patent/CN204437074U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989731A (en) * | 2015-07-24 | 2015-10-21 | 山西新环橡塑制品有限公司 | Automobile pressure bearing |
| CN106438682A (en) * | 2016-12-09 | 2017-02-22 | 宁夏诚德汽车轴承制造有限公司 | Special tapered roller thrust bearing for steering knuckle |
| CN109372888A (en) * | 2018-12-20 | 2019-02-22 | 重庆创鸿机电有限公司 | A kind of plane bearing assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |