CN201651034U - Non-contact seal deep groove ball bearing - Google Patents
Non-contact seal deep groove ball bearing Download PDFInfo
- Publication number
- CN201651034U CN201651034U CN200920200274XU CN200920200274U CN201651034U CN 201651034 U CN201651034 U CN 201651034U CN 200920200274X U CN200920200274X U CN 200920200274XU CN 200920200274 U CN200920200274 U CN 200920200274U CN 201651034 U CN201651034 U CN 201651034U
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- CN
- China
- Prior art keywords
- seal
- ring
- inner ring
- ball bearing
- deep groove
- 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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- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model relates to a non-contact seal deep groove ball bearing, wherein a three-lip sealing form sealing rings are provided at two end-faces of the outer ring and inner ring in the deep groove ball bearing, the sealing ring is in interference fit with the outer ring, and is not touched with the inner ring with an interval of a certain distance, lubricating grease is poured in the space between the outer ring, the inner ring, the steel ball, the retainer and the sealing ring. The utility model has advantages of non-contact seal structure, almost no seal friction, small running friction, few abrasion, small temperature rise, high limit speed, and extended bearing life.
Description
Technical field
The utility model relates to a kind of greasy property excellence, and limit speed height, the noncontact seal deep groove ball bearing that friction torque is low belong to seal deep groove ball bearing and make the field.
Background technique
Publication number: CN200949605, title: a kind of new automobile alternator seal deep groove ball bearing, it comprises: outer ring, inner ring, steel ball, retainer, seal ring and lubricating grease; Be equipped with one group of steel ball between its outer ring raceway and the bear inner ring grooved railway, its steel ball is evenly separated by retainer, two end faces of its outer ring and inner ring are provided with the seal ring of light contact-type three lip seal forms, seal ring and outer ring interference fit, gently contact with inner ring, high-performance, resistant to elevated temperatures special grease are injected in the space between outer ring, inner ring, steel ball, retainer and the seal ring; Its main feature be prevent dust, waterproof and greasy property excellence, thereby can satisfy high temperature, high rotating speed, low friction moment, high leak tightness, high reliability, long-life requirement.It exists shortcoming to be: owing to this kind " positive confinement " causes negative pressure in the chamber, cause grease and Sealing high temperature ageing and the more seepage of grease more early easily, so that cause the premature failure of bearing.
Summary of the invention
Purpose of design: avoid the deficiency in the background technique, design a kind of noncontact seal deep groove ball bearing, its greasy property excellence, limit speed height, friction torque are low.
Design proposal: in order to realize above-mentioned purpose of design.The utility model structurally, 1, two of outer ring in the deep groove ball bearing and inner ring end faces are provided with the seal ring of three lip seal forms, seal ring and outer ring interference fit, do not contact with inner ring, keep at a certain distance away, space between outer ring, inner ring, steel ball, retainer and the seal ring is marked with the design of lubricating grease, is one of technical characteristics of the present utility model.The purpose of doing like this is: in the bearing rotation process, the relative outer ring of seal ring is static, rotate relative to inner ring, because the inner edge sealing lip does not contact with inner ring, certain interval is arranged, realize bearing cavity and extraneous being communicated with, the barometric pressure in the temperature rise of bearing cavity and the bearing external world is almost equal when starting, reduce pressure reduction and cause " squeeze and leak " phenomenon, (being the phenomenon that chamber pressure is extruded the grease of inner chamber greater than external atmospheric pressure) reduces because of " positive confinement " causes negative pressure in the chamber at this moment, avoids the inner edge sealing lip to press inner peripheral surface, slow down wearing and tearing and temperature rise, prolong bearing working life.2, seal ring adopts the contactless three lip seal forms of particular design, relative and do not contact at the bottom of the trapezoidal seal groove on the main lip of seal ring and inner ring two ribs, in main lip both sides, two auxiliary seal lips are arranged, the age of a draught animal in the trapezoidal seal groove of one of them straight lip and the inner ring outside is relative and do not contact, the rib of another oblique lip and the trapezoidal seal groove of inner ring inboard is relative and do not contact, and the design that span is very little is one of technical characteristics of the present utility model.The purpose of doing like this is: on the seal ring tiltedly lip have the design at certain inclination angle to have guiding lubricating grease the circulating of bearing inside, prevent the effect that lubricating grease leaks; Tiltedly the rib of lip and the trapezoidal seal groove of inner ring inboard is relative and do not contact, and span is very little, can reduce the probability and the quantity of lubricating grease leakage.
Technological scheme: noncontact seal deep groove ball bearing, it comprises seal ring and deep groove ball bearing, two end faces of outer ring in the deep groove ball bearing and inner ring are provided with the seal ring of three lip seal forms, seal ring and outer ring interference fit, do not contact with inner ring and keep at a certain distance away, the space between outer ring, inner ring, steel ball, retainer and the seal ring is marked with lubricating grease.
The utility model is compared with background technique, and the noncontact seal structure does not almost have seal friction, and operation friction is little, and wearing and tearing are few, and temperature rise is little, limit speed height, the working life of prolongation bearing.
Description of drawings
Fig. 1 is the generalized section of noncontact seal deep groove ball bearing.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.The noncontact seal deep groove ball bearing, it comprises seal ring and deep groove ball bearing, outer ring 2 in the deep groove ball bearing 1 and two end faces of inner ring 4 are provided with the seal ring 3 of three lip seal forms, seal ring 3 and outer ring 2 interference fit, do not contact with inner ring 4, keep at a certain distance away, the space between outer ring 2, inner ring 4, steel ball 5, retainer 6 and the seal ring 3 is marked with lubricating grease.Seal ring 3 adopts the contactless three lip seal forms of particular design, and 4-2 is relative and do not contact at the bottom of the trapezoidal seal groove on 4 liang of ribs of main lip 3-2 and inner ring of seal ring 3; In main lip 3-2 both sides, two auxiliary seal lips are arranged, the age of a draught animal 4-1 in one of them straight lip 3-3 and the inner ring 4 trapezoidal seal grooves outsides is relative and do not contact, and the rib 4-3 of another oblique lip 3-1 and inner ring 4 trapezoidal seal groove inboards is relative and do not contact, and span is very little.In the bearing rotation process, the relative outer ring of seal ring is static, rotates relative to inner ring.
What need understand is: though the foregoing description is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (2)
1. noncontact seal deep groove ball bearing, it comprises seal ring and deep groove ball bearing, it is characterized in that: two end faces of outer ring in the deep groove ball bearing and inner ring are provided with the seal ring of three lip seal forms, seal ring and outer ring interference fit, do not contact with inner ring, the space between outer ring, inner ring, steel ball, retainer and the seal ring is marked with lubricating grease.
2. noncontact seal deep groove ball bearing according to claim 1 is characterized in that: described seal ring is contactless three lip seal forms, and is relative and do not contact at the bottom of the trapezoidal seal groove on the main lip of seal ring and inner ring two ribs; In main lip both sides, two auxiliary seal lips are arranged, the age of a draught animal in the trapezoidal seal groove of one of them straight lip and the inner ring outside is relative and do not contact, and the rib of another oblique lip and the trapezoidal seal groove of inner ring inboard is relative and do not contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920200274XU CN201651034U (en) | 2009-11-07 | 2009-11-07 | Non-contact seal deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920200274XU CN201651034U (en) | 2009-11-07 | 2009-11-07 | Non-contact seal deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651034U true CN201651034U (en) | 2010-11-24 |
Family
ID=43116269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920200274XU Expired - Lifetime CN201651034U (en) | 2009-11-07 | 2009-11-07 | Non-contact seal deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651034U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953648A (en) * | 2014-05-23 | 2014-07-30 | 杨静 | Bearing |
| CN107246438A (en) * | 2017-06-06 | 2017-10-13 | 袁芳革 | Low-load bearing structure |
| CN108361275A (en) * | 2018-02-22 | 2018-08-03 | 蚌埠市昊德汽车轴承有限责任公司 | A kind of high speed deep groove ball bearing |
-
2009
- 2009-11-07 CN CN200920200274XU patent/CN201651034U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953648A (en) * | 2014-05-23 | 2014-07-30 | 杨静 | Bearing |
| CN107246438A (en) * | 2017-06-06 | 2017-10-13 | 袁芳革 | Low-load bearing structure |
| CN108361275A (en) * | 2018-02-22 | 2018-08-03 | 蚌埠市昊德汽车轴承有限责任公司 | A kind of high speed deep groove ball bearing |
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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: 20101124 |
|
| CX01 | Expiry of patent term |