CN204755606U - Spherical outside surface ball bearing with dustproof retaining ring - Google Patents
Spherical outside surface ball bearing with dustproof retaining ring Download PDFInfo
- Publication number
- CN204755606U CN204755606U CN201520382750.XU CN201520382750U CN204755606U CN 204755606 U CN204755606 U CN 204755606U CN 201520382750 U CN201520382750 U CN 201520382750U CN 204755606 U CN204755606 U CN 204755606U
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- CN
- China
- Prior art keywords
- inner race
- bearing inner
- ring
- annular
- bearing
- Prior art date
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- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a spherical outside surface ball bearing with dustproof retaining ring, it includes bearing inner race, bearing inner race and set up the rolling element between bearing inner race and bearing inner race, be equipped with the sealing washer between bearing inner race and the bearing inner race, the sealing washer sets up the both sides at the rolling element, the outside at bearing inner race's both ends all is equipped with annular protective shroud, annular protective shroud fixed connection forms on bearing inner race and between annular protective shroud and the bearing inner race and rotates the clearance, the one end of annular protective shroud is the stiff end be connected with bearing inner race, and the other end is a free end, still including setting up the retaining ring at the free end, be equipped with on the retaining ring towards the annular fender dirt portion that bearing inner race extends, the annular is kept off and being formed between dirt portion and the bearing inner race rotate the clearance. So, through install the retaining ring additional on annular protective shroud, under the condition of guaranteeing convenient processing of annular protective shroud and installation, keep off dirt portion owing to be equipped with the annular on the retaining ring for rotation clearance between annular protective shroud and the bearing inner race reduces, has effectively improved dustproof effect.
Description
Technical field
The utility model belongs to technical field of bearings, is specifically related to a kind of roller bearing units with dust slinger.
Background technique
Roller bearing units is usually used in comparatively in rugged environment, as mining machinery, reaper, threshing machine etc.Roller bearing units is the one of deep groove ball bearing, there is bearing inner race, bearing outer ring, and the rolling element between bearing inner race and bearing outer ring, the external diameter surface of bearing outer ring is sphere, this sphere can realize self-aligning with the endoporus opposing oscillatory of bearing support, the axis centering solving axle and bearing saddle bore is poor, or axial length and the generation centering problem such as amount of deflection is large.
The rolling element that existing roller bearing units mainly comprises bearing inner race, bearing outer ring and is arranged between bearing inner race and bearing outer ring, seal ring is provided with between the bearing inner race and bearing outer ring of rolling element both sides, annular guard ring is provided with outside the two ends of bearing outer ring, annular guard ring is fastened on bearing inner race, forms certain gap to ensure that bearing inner race and bearing outer ring can rotate mutually between the interior edge face and bearing outer ring of annular guard ring.Because the Environmental Conditions condition of roller bearing units is harsher, existing this roller bearing units, be convenient to make annular guard ring install, the gap between annular guard ring and bearing outer ring is comparatively large, and dust-proof effect is relatively poor.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Model utility content
The purpose of this utility model is the roller bearing units with dust slinger providing a kind of dust-proof effect better.
In order to achieve the above object, the utility model adopts such technological scheme:
A kind of roller bearing units with dust slinger, comprise bearing outer ring, bearing inner race and the rolling element be arranged between bearing inner race and bearing outer ring, seal ring is provided with between bearing inner race and bearing outer ring, seal ring is arranged on the both sides of rolling element, annular guard ring is equipped with in the outside at the two ends of bearing outer ring, annular guard ring to be fixedly connected on bearing inner race and to form running clearance between annular guard ring and bearing outer ring, one end of annular guard ring is the fixed end be connected with bearing inner race, the other end is free end, also comprise the back-up ring being arranged on described free end, back-up ring is provided with the annular dust-break portion extended towards described bearing outer ring, described running clearance is formed between annular dust-break portion and described bearing outer ring.
As a kind of optimal way of the present utility model, described back-up ring is provided with annular groove near an end face of described annular guard ring, and described free end is fastened in described annular groove.
As a kind of optimal way of the present utility model, the outer surface of described annular guard ring is provided with against step, is arranged between described free end and described fixed end against step, and the lower end surface of described back-up ring is resisted against this against on step.
In such scheme, described seal ring comprises steel skeleton and is embedded the seal in steel skeleton, steel skeleton has the assembly department that is fixedly connected with described bearing outer ring and the accommodation section in order to receive seal, and seal is installed in accommodation section and seal coordinates with described bearing inner race rotary seal.
After adopting the technical solution of the utility model, by installing back-up ring additional on annular guard ring, under the condition ensureing the convenient processing of annular guard ring and installation, because back-up ring is provided with annular dust-break portion, running clearance between annular guard ring and bearing outer ring is reduced, effectively improves dust-proof effect of the present utility model.
Accompanying drawing explanation
Fig. 1 is partial sectional view of the present utility model;
Fig. 2 is the enlarged view at A place in Fig. 1;
In figure:
10-bearing outer ring 20-bearing inner race
30-rolling element 41-steel skeleton
411-assembly department 412-ring-type accommodation section
50-annular guard ring 51-fixed end
52-free end 53-is against step
60-back-up ring 61-annular dust-break portion
62-annular groove 70-running clearance
Embodiment
In order to explain the technical solution of the utility model further, be described in detail below in conjunction with accompanying drawing.
Referring to figs. 1 through Fig. 2, a kind of roller bearing units with dust slinger, the rolling element 30 comprising bearing outer ring 10, bearing inner race 20 and be arranged between bearing outer ring 10 and bearing outer ring 20, rolling element 30 is spherical in shape, selects steel ball.
Seal ring is provided with between bearing inner race 20 and bearing outer ring 10, seal ring is arranged on the both sides of rolling element 30, in an embodiment, described seal ring comprises steel skeleton 41 and is embedded the seal 42 in steel skeleton 41, steel skeleton 41 has the assembly department 411 that is fixedly connected with described bearing outer ring 10 and the accommodation section 412 in order to receive seal 42, and seal 42 is installed in accommodation section 412 and seal 42 coordinates with the rotary seal of described bearing inner race 20.In instances, by offering corresponding annular slot on bearing outer ring 10, assembly department 411 has bending flange, this bending flange snaps in annular slot, thus steel skeleton 41 is fixed in bearing outer ring 10, accommodation section 412 on steel skeleton 41, then in order to carry out spacing to seal 42, ensures that seal 42 is connected with bearing inner race 20 rotary seal, realizes sealing effect better.
In the utility model, be equipped with annular guard ring 50 in the outside at the two ends of bearing outer ring 10, annular guard ring 50 to be fixedly connected on bearing inner race 20 and to form running clearance 70 between annular guard ring 50 and bearing outer ring 10.One end of annular guard ring 50 is the fixed end 51 be connected with bearing inner race 20, and the other end is free end 52, and annular guard ring 50 is stamping part, and its surface has nickeling layer, plays rust inhibition, and fixed end 51 and bearing inner race 20 are fixed together by interference fit.
The utility model also comprises the back-up ring 60 being arranged on described free end 52, back-up ring 60 is provided with the annular dust-break portion 61 extended towards described bearing outer ring 10, form described running clearance 70 between annular dust-break portion 61 and described bearing outer ring 10, running clearance 70 ensures that bearing inner race 20 and bearing outer ring 10 rotate swimmingly mutually whereby.The utility model makes the distance between annular dust-break portion 61 and the end face of bearing outer ring 10 be about 0.2mm by arranging back-up ring 60, effectively can prevent entering of dust or mud.
As a kind of optimal way of the present utility model, described back-up ring 60 is provided with annular groove 62 near an end face of described annular guard ring 50, and the free end 52 of annular guard ring 50 is fastened in described annular groove 62.Be arranged on the free end 52 of annular guard ring 50 better to make back-up ring 60, the outer surface of described annular guard ring 50 is provided with against step 53, be arranged between described free end 52 and described fixed end 51 against step 53, the lower end surface of described back-up ring 60 is resisted against this against on step 53, can realize being fixedly connected with of back-up ring 60 and annular guard ring 50 at this against step 53 place further by modes such as welding.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present utility model.
Claims (4)
1. one kind has the roller bearing units of dust slinger, comprise bearing outer ring, bearing inner race and the rolling element be arranged between bearing inner race and bearing outer ring, seal ring is provided with between bearing inner race and bearing outer ring, seal ring is arranged on the both sides of rolling element, annular guard ring is equipped with in the outside at the two ends of bearing outer ring, annular guard ring to be fixedly connected on bearing inner race and to form running clearance between annular guard ring and bearing outer ring, one end of annular guard ring is the fixed end be connected with bearing inner race, the other end is free end, it is characterized in that: also comprise the back-up ring being arranged on described free end, back-up ring is provided with the annular dust-break portion extended towards described bearing outer ring, described running clearance is formed between annular dust-break portion and described bearing outer ring.
2. there is the roller bearing units of dust slinger as claimed in claim 1, it is characterized in that: described back-up ring is provided with annular groove near an end face of described annular guard ring, and described free end is fastened in described annular groove.
3. there is the roller bearing units of dust slinger as claimed in claim 2, it is characterized in that: the outer surface of described annular guard ring is provided with against step, be arranged between described free end and described fixed end against step, the lower end surface of described back-up ring is resisted against this against on step.
4. there is the roller bearing units of dust slinger as claimed in claim 1, it is characterized in that: described seal ring comprises steel skeleton and is embedded the seal in steel skeleton, steel skeleton has the assembly department that is fixedly connected with described bearing outer ring and the accommodation section in order to receive seal, and seal is installed in accommodation section and seal coordinates with described bearing inner race rotary seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520382750.XU CN204755606U (en) | 2015-06-04 | 2015-06-04 | Spherical outside surface ball bearing with dustproof retaining ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520382750.XU CN204755606U (en) | 2015-06-04 | 2015-06-04 | Spherical outside surface ball bearing with dustproof retaining ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755606U true CN204755606U (en) | 2015-11-11 |
Family
ID=54470317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520382750.XU Expired - Fee Related CN204755606U (en) | 2015-06-04 | 2015-06-04 | Spherical outside surface ball bearing with dustproof retaining ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755606U (en) |
-
2015
- 2015-06-04 CN CN201520382750.XU patent/CN204755606U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Spherical outside surface ball bearing with dustproof retaining ring Effective date of registration: 20160630 Granted publication date: 20151111 Pledgee: Bank of China, Limited by Share Ltd, Nanan branch Pledgor: FK Bearing Group Co.,Ltd. Registration number: 2016350000055 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |