CN203906572U - Bearing with high sealing property - Google Patents
Bearing with high sealing property Download PDFInfo
- Publication number
- CN203906572U CN203906572U CN201420320043.3U CN201420320043U CN203906572U CN 203906572 U CN203906572 U CN 203906572U CN 201420320043 U CN201420320043 U CN 201420320043U CN 203906572 U CN203906572 U CN 203906572U
- Authority
- CN
- China
- Prior art keywords
- bearing
- ring
- seal ring
- leak tightness
- high leak
- 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
Abstract
The utility model discloses a bearing with high sealing property. The bearing comprises an outer ring, an inner ring and a rolling body with a holder, wherein a sealing ring is sleeved on the outer surface of the inner ring; the two ends of the sealing ring are embedded into the outer ring, and a plurality of hangnail-shaped bulges are arranged on the end parts, which are embedded into the outer ring, of the sealing ring; a plurality of annular raised ribs are arranged on a sealing surface, facing toward the rolling body, of the sealing ring; an oil blocking groove is formed between every two adjacent annular raised ribs, the plurality of hangnail-shaped bulges and annular raised ribs and the sealing ring are of an integrated structure, and an elastic piece is embedded into the sealing ring. The bearing with the high sealing property provided by the utility model has the advantages of being efficient in sealing property, effectively protecting the bearing and prolonging the service life of the bearing.
Description
Technical field
The utility model relates to technical field of bearings, relates in particular to a kind of bearing of high leak tightness.
Background technique
Under the powerful promotion of modern economy, bearing work had entered a brand-new high-quality fast-developing period already, and bearing has become a kind of very important component in contemporary machinery.The major function of bearing is supported mechanical solid of rotation, the mechanical load friction factor in order to reduction equipment in transmission process.But bearing of the prior art also exists many defects, still there is the poor defect of sealing in for example existing bearing, and tend to because the problem of sealing reduces the working life of bearing.
Model utility content
The technical problem that one, will solve
The purpose of this utility model is for the existing the problems referred to above of prior art, spy provides a kind of bearing of high leak tightness, there is high sealing performance, effectively protected bearing, have the poor bearing low defect in working life that causes of sealing to overcome bearing of the prior art.
Two, technological scheme
For solving the problems of the technologies described above, the utility model provides a kind of bearing of high leak tightness, comprising: outer ring (1), inner ring (2), and with the rolling element (4) of retainer (3), the appearance surface cover of described inner ring (2) has seal ring (5), the two ends of described seal ring (5) embed in described outer ring (1), and be provided with several reversed acanthoid projections (6) in the end that embeds described outer ring (1), described seal ring (5) is provided with several annular convex ribs (7) on the sealing surface towards described rolling element (4), between every two adjacent described annular convex ribs (7), form gear oil groove (8), described several reversed acanthoid projections (6), annular convex rib (7) is integral type structure with described seal ring (5), described seal ring (5) is embedded in flexible (9).
In the bearing of above-mentioned high leak tightness, described elastic component (9) is shape at right angles.
In the bearing of above-mentioned high leak tightness, described elastic component (9) is step-like.
In the bearing of above-mentioned high leak tightness, described seal ring (5) is extended with cylindrical bump (10) on the sealing surface of described rolling element (4), and tightening cover at the circumference of described cylindrical bump (10) has the pressure ring (11) offseting with described outer ring (1).
In the bearing of above-mentioned high leak tightness, described seal ring (5) is provided with groove (12) with the contacting point of described inner ring (2), and described groove is packaged with adsorbent in (12).
Three, the beneficial effects of the utility model
Compared with prior art, the bearing of a kind of high leak tightness of the present utility model, on the sealing surface of rolling element, be provided with several annular convex ribs at seal ring, form gear oil groove between every two adjacent annular convex ribs, gear oil groove can effectively prevent that sealing medium from leaking; And be provided with several reversed acanthoid projections in seal ring end, improve the installation tightness between seal ring and bearing; Also be embedded in flexible at seal ring, strengthen the elasticity of seal ring, thereby strengthen sealing effect.The bearing of a kind of high leak tightness of the present utility model has efficient sealability, has effectively protected bearing, has improved the working life of bearing.
Brief description of the drawings
Fig. 1 is the structural representation of the bearing of a kind of high leak tightness of the utility model embodiment;
Fig. 2 is the structural representation of the seal ring in the utility model embodiment's a kind of bearing of high leak tightness;
Fig. 3 is the structural representation of the bearing of a kind of high leak tightness of another embodiment of the utility model;
Wherein, 1 is outer ring, and 2 is inner ring, and 3 is retainer, and 4 is rolling element, and 5 is seal ring, and 6 is reversed acanthoid projection, and 7 is annular convex rib, and 8 is gear oil groove, and 9 is elastic component, and 10 is cylindrical bump, and 11 is pressure ring, and 12 is groove.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, the bearing of a kind of high leak tightness in the utility model embodiment, comprising: outer ring 1, inner ring 2, and with the rolling element 4 of retainer 3.The appearance surface cover of inner ring 2 has seal ring 5, in the embedding outer ring, two ends 1 of seal ring 5, and be provided with several reversed acanthoid projections 6 in the end that embeds outer ring 1, the seal ring 5 that is arranged so that of reversed acanthoid projection 6 is tight against in the locating slot forming in outer ring 1, has improved the installation tightness of seal ring 5.Seal ring 5 is provided with several annular convex ribs 7 on the sealing surface towards rolling element 4, the cross section of annular convex rib 7 is circle or zigzag fashion, between every two adjacent annular convex ribs 7, can form a gear oil groove 8, gear oil groove 8 can effectively prevent that sealing medium from leaking, and improved the sealing effect of seal ring 5.In order to ensure the sealing of seal ring 5, several reversed acanthoid projections 6, annular convex rib 7 are designed to integral structure with seal ring 5.In addition, be embedded in flexible 9 at seal ring 5, elastic component 9 the elasticity that has strengthened seal ring 5 is set, thereby strengthened sealing effect, in the present embodiment, elastic component 9 is designed to rectangular-shaped, to ensure the immunity of seal ring 5.
In embodiment of the present utility model, seal ring 5 is extended with cylindrical bump 10 on the sealing surface of rolling element 4, and tightening cover at the circumference of cylindrical bump 10 has the pressure ring 11 offseting with outer ring 1, by damaging the axial of 11 positioning seal rings 5 by pressure.Preferably, seal ring 5 is provided with groove 12 with the contacting point of inner ring 2, is packaged with adsorbent, the adsorbable dust of adsorbent and part drier oil fat in this groove 12.
As shown in Figure 3, in another embodiment of the present utility model, different from a upper embodiment, elastic component 9 is designed to step-like, make seal ring 5 after compressive deformation, can restore to the original state fast, greatly improve the sealability of seal ring 5.
As mentioned above, the bearing of a kind of high leak tightness of the present utility model is provided with several annular convex ribs on the sealing surface of rolling element at seal ring, forms gear oil groove between every two adjacent annular convex ribs, and gear oil groove can effectively prevent that sealing medium from leaking; And be provided with several reversed acanthoid projections in seal ring end, improve the installation tightness between seal ring and bearing; Also be embedded in flexible at seal ring, strengthen the elasticity of seal ring, thereby strengthen sealing effect.The bearing of a kind of high leak tightness of the present utility model has efficient sealability, has effectively protected bearing, has improved the working life of bearing.
Below be only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a bearing for high leak tightness, is characterized in that, comprising: outer ring (1), inner ring (2), and with the rolling element (4) of retainer (3), the appearance surface cover of described inner ring (2) has seal ring (5), the two ends of described seal ring (5) embed in described outer ring (1), and be provided with several reversed acanthoid projections (6) in the end that embeds described outer ring (1), described seal ring (5) is provided with several annular convex ribs (7) on the sealing surface towards described rolling element (4), between every two adjacent described annular convex ribs (7), form gear oil groove (8), described several reversed acanthoid projections (6), annular convex rib (7) is integral type structure with described seal ring (5), described seal ring (5) is embedded in flexible (9).
2. the bearing of high leak tightness according to claim 1, is characterized in that, described elastic component (9) is shape at right angles.
3. the bearing of high leak tightness according to claim 1, is characterized in that, described elastic component (9) is step-like.
4. according to the bearing of the high leak tightness described in claim 2 or 3, it is characterized in that, described seal ring (5) is extended with cylindrical bump (10) on the sealing surface of described rolling element (4), and tightening cover at the circumference of described cylindrical bump (10) has the pressure ring (11) offseting with described outer ring (1).
5. according to the bearing of the high leak tightness described in claim 2 or 3, it is characterized in that, described seal ring (5) is provided with groove (12) with the contacting point of described inner ring (2), and described groove is packaged with adsorbent in (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320043.3U CN203906572U (en) | 2014-06-16 | 2014-06-16 | Bearing with high sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320043.3U CN203906572U (en) | 2014-06-16 | 2014-06-16 | Bearing with high sealing property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906572U true CN203906572U (en) | 2014-10-29 |
Family
ID=51780854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420320043.3U Expired - Fee Related CN203906572U (en) | 2014-06-16 | 2014-06-16 | Bearing with high sealing property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545581A (en) * | 2016-11-09 | 2017-03-29 | 安徽孺子牛轴承有限公司 | A kind of high rotating speed leakproof fat bearing of high temperature resistant |
-
2014
- 2014-06-16 CN CN201420320043.3U patent/CN203906572U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545581A (en) * | 2016-11-09 | 2017-03-29 | 安徽孺子牛轴承有限公司 | A kind of high rotating speed leakproof fat bearing of high temperature resistant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180616 |