CN204921712U - Car transmission shaft bearing seal structure that prevents dust - Google Patents
Car transmission shaft bearing seal structure that prevents dust Download PDFInfo
- Publication number
- CN204921712U CN204921712U CN201520625765.4U CN201520625765U CN204921712U CN 204921712 U CN204921712 U CN 204921712U CN 201520625765 U CN201520625765 U CN 201520625765U CN 204921712 U CN204921712 U CN 204921712U
- Authority
- CN
- China
- Prior art keywords
- bearing
- inner race
- bearing inner
- dust
- seal
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a car transmission shaft bearing seal structure that prevents dust belongs to the bearing technology field. This structure includes bearing inner race, bearing inner race, is connected with the shield in bearing inner race both sides, is provided with the reinforced seal circle between shield and holder, reinforced seal circle fixed connection on bearing inner race, the reinforced seal circles and is provided with axial lip and footpath labiad, interference fit between axial lip and the dustproof inner surface of the cover, directly interference fit between labiad and the bearing inner race. The utility model discloses an axial lip that the reinforced seal circled and footpath labiad respectively and form axial seal and radial seal between shield and the bearing inner race, thereby external dust, the inside life -span that has lengthened the bearing of muddy water entering bearing can enough prevent, life provides the assurance for the transmission shaft assembly.
Description
Technical field
The utility model relates to a kind of bearing dust-proof sealing structure, and particularly a kind of vehicle transmission axle bearing dust-proof sealing structure, belongs to technical field of bearings.
Background technique
Vehicle transmission axle bearing dust sealing is that truck drive shaft effectively runs the important leverage with the life-span, the rolling bearing of transmission shaft is the critical component of vehicle driving shaft assembly, transmission shaft needs to clean the operations such as corrosion through high temperature vulcanized, High Temperature High Pressure in the fabrication process, if there is bearing water inlet phenomenon in this process, corrosive liquid cognition directly enters Bearing inner, cause bearing working surface corrosion, bearing damage can cause transmission shaft to be scrapped; Often can be in transmission shaft work in high temperature, low temperature, high humidity, high dust atmosphere, the impact load that bearing is subject to is large, linear velocity is high, lubricating condition is severe, if bearing dust sealing performance is not good, easily cause the deterioration of lubricant of bearing to cause bearing premature breakdown, traditional sealing and dustproof method is: one is the ZZ type structure of two sides dust cover; Two is that two sides seal ring 2RS or 2RZ adds inner ring and cut dustproof groove structure; Three is be stained with sealing lip in two sides dust cover adds, these sealing means all exist poorly sealed, seal the phenomenons such as fragile, poor effect, for this reason, on the dust sealing of vehicle transmission axle bearing, need the more reliable dust-proof sealing structure of one.
Summary of the invention
The purpose of this utility model is the problems referred to above overcoming the existence of current vehicle transmission axle bearing dust sealing, provides a kind of vehicle transmission axle bearing dust-proof sealing structure.
For realizing the purpose of this utility model, have employed following technological scheme: vehicle transmission axle bearing dust-proof sealing structure, comprise bearing outer ring, bearing inner race, dust cover is connected with in bearing inner race both sides, backbone sealing ring is provided with between dust cover and retainer, described backbone sealing ring is fixedly connected on bearing outer ring, backbone sealing ring is provided with axial lip and footpath labiad, interference fit between axial lip and dust cover internal surface, interference fit between footpath labiad and bearing inner race, interference fit between described axial lip and dust cover internal surface, magnitude of interference is 0.5-1mm, interference fit between footpath labiad and bearing inner race, magnitude of interference is 0.5-1mm, further, bearing outer ring inwall circumference offers seal groove, described backbone sealing ring with magnitude of interference at least 1.5mm be fixedly installed in the seal groove on bearing outer ring.
Positive Advantageous Effects of the present utility model is: the utility model adds backbone sealing ring on the basis of traditional dust cover, axial lip on backbone sealing ring and footpath labiad form axial seal and radial seal respectively and between dust cover and bearing inner race, external dust can either be prevented, muddy water enters Bearing inner, can prevent again the lubricant grease of Bearing inner from revealing the lubrication problem caused, improve the sealing effect of bearing, make bearing no matter static or all good sealing can be kept in motion state, thus extend the life-span of bearing, for driving-shaft assembly provides guarantee working life.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is the backbone sealing ring of side and the schematic diagram of dust cover.
Embodiment
In order to explain enforcement of the present utility model more fully, provide embodiment of the present utility model.These embodiments are only to elaboration of the present utility model, do not limit scope of the present utility model.
By reference to the accompanying drawings the utility model is described in detail, is respectively labeled as in accompanying drawing: 1: bearing outer ring; 2: bearing inner race; 3: retainer; 4: rolling element; 5: dust cover; 6: backbone sealing ring; 61: axial lip; 62: footpath labiad; 7: splayed shape slinger ring.Show dust cover and the backbone sealing ring of side in the drawings, opposite side has dust cover and the seal ring of same structure.As shown in drawings, vehicle transmission axle bearing dust-proof sealing structure, comprise bearing outer ring, 1 bearing inner race 2, dust cover is connected with in bearing inner race both sides, 5 dust covers being depicted as side, backbone sealing ring is provided with between dust cover 5 and retainer 3, 6 backbone sealing rings being depicted as side, described backbone sealing ring is fixedly connected on bearing outer ring 2, bearing outer ring 2 inwall circumference offers seal groove, described backbone sealing ring with magnitude of interference at least 1.5mm be fixedly installed in the seal groove on bearing outer ring, interference at least 1.5mm refers to the width direction interference of seal ring, i.e. bearing axial direction, backbone sealing ring 6 is provided with axial lip 61 and footpath labiad 62, interference fit between axial lip 61 and dust cover 5 internal surface, magnitude of interference is 0.5-1m, interference fit between footpath labiad 62 and bearing inner race 2, magnitude of interference is 0.5-1mm.Dust cover 5 is fixed on bearing inner race with the magnitude of interference of 0.2-0.3mm by mould, rotate with bearing inner race, bearing outer ring inwall and dust cover outer rim have the gap of 0.5-1.0mm, and dust cover outer rim makes splayed shape, described splayed shape refers to arrange splayed shape slinger ring 7 in dust cover outer rim, utilizes the effect of centrifugal force to throw away in the muddy water of splashing, dust when being conducive to transmission shaft work.
After detailed description mode of execution of the present utility model, the personage being familiar with this technology can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the scope of technical solutions of the utility model, and the utility model is not also limited to the mode of execution of example in specification.
Claims (2)
1. vehicle transmission axle bearing dust-proof sealing structure, comprise bearing outer ring, bearing inner race, dust cover is connected with in bearing inner race both sides, it is characterized in that: between dust cover and retainer, be provided with backbone sealing ring, described backbone sealing ring is fixedly connected on bearing outer ring, backbone sealing ring is provided with axial lip and footpath labiad, interference fit between axial lip and dust cover internal surface, interference fit between footpath labiad and bearing inner race, interference fit between described axial lip and dust cover internal surface, magnitude of interference is 0.5-1mm, interference fit between footpath labiad and bearing inner race, magnitude of interference is 0.5-1mm.
2. vehicle transmission axle bearing dust-proof sealing structure according to claim 1, it is characterized in that: on bearing outer ring inwall, offer the seal groove in circumference, described backbone sealing ring with magnitude of interference at least 1.5mm be fixedly installed in the seal groove on bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625765.4U CN204921712U (en) | 2015-08-19 | 2015-08-19 | Car transmission shaft bearing seal structure that prevents dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625765.4U CN204921712U (en) | 2015-08-19 | 2015-08-19 | Car transmission shaft bearing seal structure that prevents dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921712U true CN204921712U (en) | 2015-12-30 |
Family
ID=54970843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520625765.4U Expired - Fee Related CN204921712U (en) | 2015-08-19 | 2015-08-19 | Car transmission shaft bearing seal structure that prevents dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165941A (en) * | 2017-06-24 | 2017-09-15 | 宁波万丰轴承有限公司 | A kind of deep groove ball bearing hermetic water-proof structure |
| CN108488240A (en) * | 2018-03-26 | 2018-09-04 | 人本集团有限公司 | Seal bearing |
-
2015
- 2015-08-19 CN CN201520625765.4U patent/CN204921712U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165941A (en) * | 2017-06-24 | 2017-09-15 | 宁波万丰轴承有限公司 | A kind of deep groove ball bearing hermetic water-proof structure |
| CN108488240A (en) * | 2018-03-26 | 2018-09-04 | 人本集团有限公司 | Seal bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170527 Address after: 455000 advanced equipment manufacturing demonstration park, South Road, Pingyuan Road, hi tech Zone, Henan, Anyang Patentee after: ANYANG JINGTE BEARING CO.,LTD. Address before: 455000 South Road, Pingyuan Road, hi tech Zone, Henan, Anyang Patentee before: ANYANG BAIRUIYING MACHINERY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |