CN203560139U - Water pump shaft bearing provided with snap ring type seal ring - Google Patents
Water pump shaft bearing provided with snap ring type seal ring Download PDFInfo
- Publication number
- CN203560139U CN203560139U CN201320654543.6U CN201320654543U CN203560139U CN 203560139 U CN203560139 U CN 203560139U CN 201320654543 U CN201320654543 U CN 201320654543U CN 203560139 U CN203560139 U CN 203560139U
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- CN
- China
- Prior art keywords
- ring
- seal
- lip
- water pump
- axle
- 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 - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 17
- 230000000717 retained effect Effects 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 229920006503 PA66-GF25 Polymers 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a water pump shaft bearing provided with a snap ring type seal ring, and belongs to the field of machinery. The water pump shaft bearing comprises an outer ring, a shaft, rollers, retainers, a double-lip seal ring, the snap ring type seal ring and the like, wherein the rollers are mounted in roller paths between the outer ring and the shaft through the retainers; a dustproof sealing groove is formed on the inner diameter, close to the flange end, of the outer ring; the outer diameter of the double-lip seal ring is mounted and embedded in the dust sealing groove, and double lips on an inner diameter are in interference fit with the shaft; and the snap ring type seal ring is mounted at the impeller end of the water pump shaft bearing, the outer diameter and the inner diameter of the snap ring type seal ring are both in interference fit with the outer ring and the shaft, and a locking spring is further arranged on the snap ring type seal ring, enables an inner lip of the seal ring to be always tightly contacted with the shaft and plays an important role in sealing continuity and constant sealing torque, so that the service life of the bearing is prolonged.
Description
Technical field
The utility model relates to a kind of water pump shaft connecting bearings of band clasp formula seal ring, belongs to mechanical field.
Background technique
Water pump shaft connecting bearings is actually the one distortion of the Bearing with multiple rows of balls of two row deep groove ball bearings and axle sleeve composition; Feature is: designs simplification two raceway shaft connecting bearings, there is no the inside race of general bearing, two raceways are directly processed on axle, and have the assemblying body of outer collar, rolling element, retainer and the seal ring composition axle sleeve of two raceways.Due to special working environment, the seal ring performance of water pump shaft connecting bearings is proposed to quite high requirement: for the grease that prevents bearing inside is toward external leakage, be anti-sealing infiltration bearing inside on the other hand on the one hand.Under normal circumstances, the nitrile rubber seal ring of lips structure just can meet the demands, but in severe work condition environment, impeller end seal ring epipharynx contacts easily wearing and tearing with foul, cause bearing that fat and flooded condition occur to leak, and affect working life of water pump shaft connecting bearings, so the practicability of common two-lid sealing structure is affected to a certain extent.
In view of this, the inventor studies this, develops specially a kind of water pump shaft connecting bearings of band clasp formula seal ring, and this case produces thus.
Model utility content
The purpose of this utility model is to provide a kind of flange end with double-lip sealing ring, and the water pump shaft connecting bearings of impeller end band clasp formula seal ring has good seal performance, the advantage such as simple in structure, easy to assembly.
To achieve these goals, solution of the present utility model is:
A kind of water pump shaft connecting bearings of band clasp formula seal ring, comprise outer ring, axle, rolling element, retainer, double-lip sealing ring and retained seal seal etc., wherein, on the internal diameter of described outer ring, establish two outer raceways, the external diameter of described axle is provided with two interior raceways corresponding with outer raceway, retainer is arranged between outer ring and axle, and rolling element is arranged in the raceway between outer ring and axle by retainer; Described outer ring is provided with a dust sealing groove near the internal diameter of flange end, and dust sealing groove is positioned at the outside of outer raceway; The external diameter peace of double-lip sealing ring is embedded in above-mentioned dust sealing groove, the lips on internal diameter and axle interference fit; Retained seal seal is arranged on water pump shaft connecting bearings impeller end, is positioned at the outside of outer raceway, the external diameter of retained seal seal and internal diameter all with outer ring and axle interference fit, the enterprising step of described retained seal seal is provided with a locking spring.
Above-mentioned retained seal seal comprises O-ring seal, skeleton and locking spring, wherein, described skeleton cross section is L shaped, O-ring seal close adhesion is on the outer surface of skeleton, O-ring seal comprises epipharynx and outer lip, described epipharynx and outer lip all with axle interference fit, locking spring is arranged on the external diameter of epipharynx, make epipharynx all the time with axle close contact.
Above-mentioned double-lip sealing ring comprises O-ring seal and skeleton, wherein, described skeleton cross section is L shaped, O-ring seal is wrapped on the two ends and outer surface of skeleton, O-ring seal comprises the first lip and the second lip, described double-lip sealing ring one end is embedded in dust sealing groove by the O-ring seal peace being wrapped on skeleton, and the other end is by the first lip and the second lip and axle interference fit.
Above-mentioned O-ring seal adopts nitrile rubber material, and skeleton adopts No. 10 steel plates, the spring that locking spring adopts wire material to make.
Described rolling element adopts GCr15 material steel ball or roller; Described outer ring adopts GCr15 material outer ring.
Described axle adopts GCr15 material axle; Described retainer adopts PA66-GF25 material retainer.
The utlity model has positive effect: the utility model is simple in structure, flange end arranges double-lip sealing ring, impeller end arranges retained seal seal, and a locking spring is set in retained seal seal, can make seal ring epipharynx all the time with axle close contact, lasting and the constant of sealed force moment to sealing played vital effect, the working life of having improved bearing.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below.Wherein:
Fig. 1 is water pump shaft connecting bearings half sectional view of the present utility model;
Fig. 2 is retained seal seal sectional view of the present utility model;
Fig. 3 is double-lip sealing ring sectional view of the present utility model.
Embodiment
As shown in Figure 1, impeller end is with the water pump shaft connecting bearings of retainer ring type seal coil structures, comprise outer ring 1, axle 2, rolling element 4, retainer 3, double-lip sealing ring 5 and retained seal seal 6 etc., wherein, on the internal diameter of described outer ring 1, establish two outer raceways, the external diameter of described axle 2 is provided with two interior raceways corresponding with outer raceway, and retainer 3 is arranged between outer ring 1 and axle 2, and rolling element 4 is arranged in the raceway between outer ring 1 and axle 2 by retainer 3; Described outer ring 1 is provided with a dust sealing groove 11 near the internal diameter of flange end 21, and dust sealing groove 11 is positioned at the outside of outer raceway; The external diameter peace of double-lip sealing ring 5 is embedded in above-mentioned dust sealing groove 11, the lips on internal diameter and axle 2 interference fit; Retained seal seal 6 is arranged on water pump shaft connecting bearings impeller end 22, is positioned at the outside of outer raceway.
As shown in Figure 2, above-mentioned retained seal seal 6 comprises O-ring seal 61, skeleton 62 and locking spring 63, wherein, described skeleton 62 cross sections are L shaped, O-ring seal 61 close adhesion are on the outer surface of skeleton 62, and O-ring seal 61 comprises epipharynx 611 and outer lip 612, described epipharynx 611 and outer lip 612 all with axle 2 interference fit, locking spring 63 is arranged on the external diameter of epipharynx 611, make epipharynx 611 all the time with axle 2 close contacts.
As shown in Figure 3, above-mentioned double-lip sealing ring 5 comprises O-ring seal 51 and skeleton 52, wherein, described skeleton 52 cross sections are L shaped, O-ring seal 51 is wrapped on the two ends and outer surface of skeleton 52, O-ring seal 51 comprises the first lip 511 and the second lip 512, and described double-lip sealing ring 5 one end are embedded in dust sealing groove 11 by O-ring seal 51 peaces that are wrapped on skeleton 52, and the other end is by the first lip 511 and the second lip 512 and axle 2 interference fit.
In the present embodiment, above-mentioned O- ring seal 51 and 61 adopts nitrile rubber material, and skeleton 52 and 62 adopts No. 10 steel plates, the spring that locking spring 63 adopts wire material to make.
Described rolling element 4 adopts GCr15 material steel ball; Described outer ring 1 and axle 2 all adopt GCr15 material; Described retainer adopts PA66-GF25 material.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description to do; or directly or indirectly use the technical field that is attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. the water pump shaft connecting bearings of a band clasp formula seal ring, it is characterized in that: comprise outer ring, axle, rolling element, retainer, double-lip sealing ring and retained seal seal, wherein, on the internal diameter of described outer ring, establish two outer raceways, the external diameter of described axle is provided with two interior raceways corresponding with outer raceway, retainer is arranged between outer ring and axle, and rolling element is arranged in the raceway between outer ring and axle by retainer; Described outer ring is provided with a dust sealing groove near the internal diameter of flange end, and dust sealing groove is positioned at the outside of outer raceway; The external diameter peace of double-lip sealing ring is embedded in above-mentioned dust sealing groove, the lips on internal diameter and axle interference fit; Retained seal seal is arranged on water pump shaft connecting bearings impeller end, is positioned at the outside of outer raceway, the external diameter of retained seal seal and internal diameter all with outer ring and axle interference fit, the enterprising step of described retained seal seal is provided with a locking spring.
2. the water pump shaft connecting bearings of a kind of band clasp formula seal ring as claimed in claim 1, it is characterized in that: above-mentioned retained seal seal comprises O-ring seal, skeleton and locking spring, wherein, described skeleton cross section is L shaped, O-ring seal close adhesion is on the outer surface of skeleton, and O-ring seal comprises epipharynx and outer lip, described epipharynx and outer lip all with axle interference fit, locking spring is arranged on the external diameter of epipharynx, make epipharynx all the time with axle close contact.
3. the water pump shaft connecting bearings of a kind of band clasp formula seal ring as claimed in claim 1, it is characterized in that: above-mentioned double-lip sealing ring comprises O-ring seal and skeleton, wherein, described skeleton cross section is L shaped, O-ring seal is wrapped on the two ends and outer surface of skeleton, O-ring seal comprises the first lip and the second lip, and described double-lip sealing ring one end is embedded in dust sealing groove by the O-ring seal peace being wrapped on skeleton, and the other end is by the first lip and the second lip and axle interference fit.
4. a kind of water pump shaft connecting bearings of band clasp formula seal ring as claimed in claim 2 or claim 3, is characterized in that: above-mentioned O-ring seal adopts nitrile rubber material, and skeleton adopts No. 10 steel plates.
5. the water pump shaft connecting bearings of a kind of band clasp formula seal ring as claimed in claim 2, is characterized in that: the spring that above-mentioned locking spring adopts wire material to make.
6. the water pump shaft connecting bearings of a kind of band clasp formula seal ring as claimed in claim 1, is characterized in that: described rolling element adopts GCr15 material steel ball or roller, and described outer ring adopts GCr15 material outer ring.
7. the water pump shaft connecting bearings of a kind of band clasp formula seal ring as claimed in claim 1, is characterized in that: described axle adopts GCr15 material axle; Described retainer adopts PA66-GF25 material retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654543.6U CN203560139U (en) | 2013-10-22 | 2013-10-22 | Water pump shaft bearing provided with snap ring type seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654543.6U CN203560139U (en) | 2013-10-22 | 2013-10-22 | Water pump shaft bearing provided with snap ring type seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560139U true CN203560139U (en) | 2014-04-23 |
Family
ID=50509864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654543.6U Expired - Lifetime CN203560139U (en) | 2013-10-22 | 2013-10-22 | Water pump shaft bearing provided with snap ring type seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557174A (en) * | 2013-10-22 | 2014-02-05 | 浙江省新昌新轴实业有限公司 | Water pump shaft connecting bearing with sealing structure |
-
2013
- 2013-10-22 CN CN201320654543.6U patent/CN203560139U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557174A (en) * | 2013-10-22 | 2014-02-05 | 浙江省新昌新轴实业有限公司 | Water pump shaft connecting bearing with sealing structure |
| CN103557174B (en) * | 2013-10-22 | 2016-02-24 | 浙江省新昌新轴实业有限公司 | A kind of water pump shaft connecting bearings with sealing configuration |
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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: 20140423 |
|
| CX01 | Expiry of patent term |