CN205136386U - Sealing bearing - Google Patents
Sealing bearing Download PDFInfo
- Publication number
- CN205136386U CN205136386U CN201520963428.6U CN201520963428U CN205136386U CN 205136386 U CN205136386 U CN 205136386U CN 201520963428 U CN201520963428 U CN 201520963428U CN 205136386 U CN205136386 U CN 205136386U
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- sealing lip
- seal
- sealing
- seal lip
- ring
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Abstract
The utility model relates to a sealing bearing, including the outer lane, the inner circle, sealing washer and roll subassembly, the internal diameter end of sealing washer is equipped with four seal lips, from interior to exterior is first seal lip in proper order, the second seal lip, the third seal lip, the fourth seal lip, first seal lip and second seal lip are towards the inside extension of bearing, third seal lip and fourth seal lip extend towards the external slope of bearing, first seal lip root is connected with along the slender waist portion of radial extension, the radial interior tip of slender waist portion is located to second seal lip and third seal lip, the second seal lip becomes the chevron shape with the third seal lip and distributes, be equipped with the seal groove on the outer periphery of inner circle, first seal lip and seal groove oral area are towards the inside one side sagittal plane clearance fit of bearing, second seal lip and third seal lip stretch into in the seal groove, the second seal lip seals the cooperation with the axial end face contaction of seal groove. The utility model discloses sealing bearing, it is reasonable to have a design of a seal structure, and sealing performance, leak protection oil leak the good advantage of fat nature.
Description
Technical field
The utility model relates to technical field of bearings, is specifically the sealing type bearings with sealability.
Background technique
At present, at the bearing that lift machine uses, mainly medium-and-large-sized contact-type ball bearing.At present, the bearing that we use, has generally comprised inner ring, outer ring, has been provided with steel ball between inner ring and outer ring, be provided with seal ring between inner ring and outer ring.But the bearing of existing band sealing configuration, there is sealing and easily lost efficacy, fat is leaked in easy leakage of oil.
Summary of the invention
For overcoming the defect that prior art exists, it is reasonable that the utility model object is to provide a kind of design of Sealing Structure, good seal performance, the sealing type bearings that leakproof oil leakage fat is good.
For achieving the above object, the utility model provides following technological scheme: a kind of sealing type bearings, include outer ring, inner ring and rolling assembly, rolling assembly is located between outer ring and inner ring, between outer ring and inner ring, port is provided with seal ring, the external diameter end of seal ring is fixedly mounted on outer ring, the inner-diameter end of seal ring is provided with the sealing lip be sealed and matched with inner ring, it is characterized in that: described seal ring is provided with four sealing lips, be followed successively by the first sealing lip from the inside to the outside, second sealing lip, 3rd sealing lip, 4th sealing lip, described first sealing lip and the second sealing lip extend towards Bearing inner, 3rd sealing lip and the 4th sealing lip tilt to extend towards the bearing external world, described first sealing lip root is connected with the eel-like figure portion radially extended, second sealing lip and the 3rd sealing lip are located at the radial inner end in eel-like figure portion, second sealing lip becomes man type to distribute with the 3rd sealing lip, the outer peripheral surface of described inner ring is provided with seal groove, first sealing lip and seal groove oral area are towards Bearing inner side sagittal plane Spielpassung, described second sealing lip and the 3rd sealing lip stretch in seal groove, second sealing lip contacts with the axial end of seal groove and is sealed and matched.
By adopting technique scheme, first sealing lip realizes the stirring to inner ring place grease, drainage can be played again, thus reduce leakage of oil leakage fat, second sealing lip and the 3rd sealing lip stretch in seal groove, and be located in eel-like figure portion, there is good sealed elastic, play good sealing effect, and the second sealing lip and the 3rd sealing lip is towards the opposite, 3rd sealing lip and the 4th sealing lip form outside baffle seal, and four sealing lip fitted seal grooves realize sealing, have the advantage of good seal performance.
The utility model is set to further: described seal groove is the groove with two axial vane surfaces, seal groove axially towards Bearing inner side higher than towards the extraneous side of bearing, described 3rd sealing lip coordinates with the axial outer side wall clearance seal of seal groove, and the 4th sealing lip and seal groove oral area are towards Bearing outer side sagittal plane Spielpassung.
By adopting technique scheme, 3rd sealing lip and seal groove axial end are sealed and matched, and the outer side seal that the 4th sealing lip stretches out seal groove coordinates, and the 3rd sealing lip and the 4th sealing lip form good baffle seal, seal groove is outer low, interior height design, good dustproof effect.
The utility model is set to further: described second sealing lip is thick compared with the 3rd sealing lip.
By adopting technique scheme, the contact of the second sealing lip and seal groove seals reliably, improves sealing reliability.
The utility model is set to further: the root of described 4th sealing lip is connected to the neutral position in eel-like figure portion.
By adopting technique scheme, the length in eel-like figure portion can be improved, improving the elasticity in eel-like figure portion, facilitating the design of the 4th sealing lip, and when the 4th sealing lip is connected in eel-like figure portion, also can play reinforing function, improve working life.
The utility model is set to further: the inner peripheral surface of described outer ring is provided with dustproof groove, and the external diameter end of described seal ring is provided with dust excluder lips, and dust excluder lips is inlaid in dustproof groove, dust excluder lips to be sectional shape be outwardly hook-shaped.
By adopting technique scheme, seal ring is arranged on after on outer ring, is sealed and matched reliable.
The utility model is set to further: described eel-like figure portion tilts to extend towards the bearing external world.
By adopting technique scheme, improving the second sealing lip and contacting with the axial inner ends face of seal groove the reliability sealed, improve sealability.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model specific embodiment sealing type bearings structural representation;
Fig. 2 is the utility model specific embodiment sealing ring structure schematic diagram;
Fig. 3 is Figure 1A part partial enlarged view.
Embodiment
See accompanying drawing 1 to accompanying drawing 3, a kind of sealing type bearings disclosed in the utility model, include outer ring 1, inner ring 2 and rolling assembly 3, rolling assembly 3 is located between outer ring 1 and inner ring 2, between outer ring 1 and inner ring 2, port is provided with seal ring 4, the external diameter end of seal ring 4 is fixedly mounted on outer ring 1, rubber dust-proof lip 40 is provided with at the external diameter end of seal ring 4, the inner peripheral surface of outer ring 1 is provided with dustproof groove 11, described dust excluder lips 40 is inlaid in dustproof groove 11, and dust excluder lips 40 is hook-shaped in outwardly of sectional shape, realize seal ring to be arranged on outer ring reliably, and sealing is reliable, the inner-diameter end of seal ring 4 is provided with the sealing lip be sealed and matched with inner ring 2, described seal ring 4 is provided with four sealing lips, be followed successively by the first sealing lip 41 from the inside to the outside, second sealing lip 42, 3rd sealing lip 43, 4th sealing lip 44, described first sealing lip 41 and the second sealing lip 42 extend towards Bearing inner, 3rd sealing lip 43 and the 4th sealing lip 44 tilt to extend towards the bearing external world, described first sealing lip 41 root is connected with the eel-like figure portion 45 radially extended, second sealing lip 42 and the 3rd sealing lip 43 are located at the radial inner end in eel-like figure portion 45, second sealing lip 42 distributes with the 3rd sealing lip 43 one-tenth man type, the outer peripheral surface of described inner ring 2 is provided with seal groove 21, first sealing lip 41 and seal groove 21 oral area are towards Bearing inner side sagittal plane Spielpassung, described second sealing lip 42 and the 3rd sealing lip 43 stretch in seal groove 21, second sealing lip 42 contacts with the axial end of seal groove 21 and is sealed and matched.First sealing lip 41 realizes the stirring to inner ring place grease, drainage can be played again, thus reduce leakage of oil leakage fat, second sealing lip 42 and the 3rd sealing lip 43 stretch in seal groove 21, and be located in eel-like figure portion 45, there is good sealed elastic, play good sealing effect, and the second sealing lip 42 and the 3rd sealing lip 43 is towards the opposite, 3rd sealing lip 43 and the 4th sealing lip 44 form outside baffle seal, four sealing lip fitted seal grooves realize sealing, have the advantage of good seal performance.And eel-like figure portion 45 adopts low-anglely to tilt outside bearing, the angle of inclination is preferably 15 ° ~ 45 °, the second sealing lip 42 can be contacted with the axial inner ends face of seal groove reliably and be sealed and matched.Described second sealing lip 42 is thick compared with the 3rd sealing lip 43.Further make the contact of the second sealing lip and seal groove seal reliably, improve sealing reliability.
Wherein, described seal groove 21 is for having the groove of two axial vane surfaces, seal groove 21 axially towards Bearing inner side higher than towards the extraneous side of bearing, described 3rd sealing lip 43 coordinates with the axial outer side wall clearance seal of seal groove 21, and the 4th sealing lip 44 and seal groove 21 oral area are towards Bearing outer side sagittal plane Spielpassung.Like this, the 3rd sealing lip and seal groove axial end are sealed and matched, and the outer side seal that the 4th sealing lip stretches out seal groove coordinates, and the 3rd sealing lip and the 4th sealing lip form good baffle seal, and seal groove is outer low, interior height design, good dustproof effect.
The root of described 4th sealing lip 44 is connected to the neutral position in eel-like figure portion 45.Facilitate the design of the 4th sealing lip, and the length in eel-like figure portion can be improved, improve the elasticity in eel-like figure portion, and when the 4th sealing lip is connected in eel-like figure portion, also can play reinforing function, improve working life.
Claims (6)
1. a sealing type bearings, include outer ring, inner ring and rolling assembly, rolling assembly is located between outer ring and inner ring, between outer ring and inner ring, port is provided with seal ring, the external diameter end of seal ring is fixedly mounted on outer ring, the inner-diameter end of seal ring is provided with the sealing lip be sealed and matched with inner ring, it is characterized in that: described seal ring is provided with four sealing lips, be followed successively by the first sealing lip from the inside to the outside, second sealing lip, 3rd sealing lip, 4th sealing lip, described first sealing lip and the second sealing lip extend towards Bearing inner, 3rd sealing lip and the 4th sealing lip tilt to extend towards the bearing external world, described first sealing lip root is connected with the eel-like figure portion radially extended, second sealing lip and the 3rd sealing lip are located at the radial inner end in eel-like figure portion, second sealing lip becomes man type to distribute with the 3rd sealing lip, the outer peripheral surface of described inner ring is provided with seal groove, first sealing lip and seal groove oral area are towards Bearing inner side sagittal plane Spielpassung, described second sealing lip and the 3rd sealing lip stretch in seal groove, second sealing lip contacts with the axial end of seal groove and is sealed and matched.
2. sealing type bearings according to claim 1, it is characterized in that: described seal groove is the groove with two axial vane surfaces, seal groove axially towards Bearing inner side higher than towards the extraneous side of bearing, described 3rd sealing lip coordinates with the axial outer side wall clearance seal of seal groove, and the 4th sealing lip and seal groove oral area are towards Bearing outer side sagittal plane Spielpassung.
3. sealing type bearings according to claim 1 or 2, is characterized in that: described second sealing lip is thick compared with the 3rd sealing lip.
4. sealing type bearings according to claim 1 or 2, is characterized in that: the root of described 4th sealing lip is connected to the neutral position in eel-like figure portion.
5. sealing type bearings according to claim 1 or 2, is characterized in that: the inner peripheral surface of described outer ring is provided with dustproof groove, and the external diameter end of described seal ring is provided with dust excluder lips, and dust excluder lips is inlaid in dustproof groove, dust excluder lips to be sectional shape be outwardly hook-shaped.
6. sealing type bearings according to claim 1 or 2, is characterized in that: described eel-like figure portion tilts to extend towards the bearing external world.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963428.6U CN205136386U (en) | 2015-11-27 | 2015-11-27 | Sealing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963428.6U CN205136386U (en) | 2015-11-27 | 2015-11-27 | Sealing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136386U true CN205136386U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520963428.6U Active CN205136386U (en) | 2015-11-27 | 2015-11-27 | Sealing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136386U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223588A (en) * | 2018-02-08 | 2018-06-29 | 无锡诚石轴承有限公司 | A kind of bearing seal structure |
| CN109296648A (en) * | 2018-11-30 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Exploration type bearing seal assembly |
-
2015
- 2015-11-27 CN CN201520963428.6U patent/CN205136386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223588A (en) * | 2018-02-08 | 2018-06-29 | 无锡诚石轴承有限公司 | A kind of bearing seal structure |
| CN109296648A (en) * | 2018-11-30 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Exploration type bearing seal assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |