CN105370736A - Sealing bearing - Google Patents
Sealing bearing Download PDFInfo
- Publication number
- CN105370736A CN105370736A CN201510886676.XA CN201510886676A CN105370736A CN 105370736 A CN105370736 A CN 105370736A CN 201510886676 A CN201510886676 A CN 201510886676A CN 105370736 A CN105370736 A CN 105370736A
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- CN
- China
- Prior art keywords
- ring
- sealing lip
- sealing
- annular
- outer ring
- 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.)
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- Sealing Of Bearings (AREA)
Abstract
The invention discloses a sealing bearing which comprises an outer ring, an inner ring and an annular sealing ring, wherein the annular sealing ring is fixed on the outer ring, an annular clamping part is arranged at the outer end of the annular sealing ring, a clamping slot is formed in a side surface of the outer ring, a first sealing lip and a second sealing lip are arranged at the inner end of the sealing ring, an inward concave cambered surface is arranged between the first sealing lip and the second sealing lip, an annular bulge is formed in the outer wall of the inner ring, the top of the annular bulge and the inward concave cambered surface are sealed in a contact manner, an annular supporting framework is arranged in the annular sealing ring, the top of the first sealing lip and the side wall line of the inner ring are sealed in a contact manner, and the top of the second sealing lip and the outer wall line of the inner ring are sealed in a contact manner. The sealing bearing provided by the invention is reasonable in structural design, through the arrangement of the clamping part and the clamping slot which are used in a mutually matched manner, the annular sealing ring is tightly connected with the outer ring and good sealing is formed, due to the arrangement of the third sealing lip and the fourth sealing lip, the sealing performance is further enhanced, sundries can be effectively prevented from entering a gap between the inner ring and the outer ring, and the service life is prolonged.
Description
Technical field
The invention belongs to technical field of bearings, be specifically related to a kind of stuffing box bearing.
Background technique
Bearing is component conventional in mechanical rotation, parts that are fixing and reduction load friction factor are played in mechanical transmission course, when other parts produce relative movement each other on axle, be used for reducing the fixing parts of friction factor in power transmission process and retainer shaft central position.Its major function is supported mechanical solid of rotation, in order to reduce the mechanical load friction factor of equipment in transmission process.Existing bearing generally comprises outer ring, inner ring and seal ring, and seal ring is arranged on Internal and external cycle both sides or side, arranges rolling element between outer ring and inner ring,
The bearing of this kind of structure, sealing is not good enough, and usually in operation process, foreign material easily enter into Bearing inner between outer ring and inner ring, thus causes the wearing and tearing of bearing, reduces the working life of bearing.
Summary of the invention
For problems of the prior art, the object of the invention is to design provides a kind of stuffing box bearing.
Described a kind of stuffing box bearing, comprise outer ring and inner ring, O-ring seal is provided with between described outer ring and inner ring, described O-ring seal is fixed on outer ring, it is characterized in that described O-ring seal outer end is provided with annular inserted part, side, outer ring be provided with inserted part with the use of draw-in groove, described seal ring the inner is provided with the first sealing lip and the second sealing lip, inner concave arc surface is formed between first sealing lip and the second sealing lip, described interior ring outer wall is provided with annular projection, described annular projection top contacts with inner concave arc surface and seals, annular brace skeleton is provided with in described O-ring seal, described annular brace skeleton cross section is substantially c-shaped, one end is the first compression end, the other end is the second compression end, described first compresses end between outer ring and inner ring, described second compresses end is positioned at draw-in groove, described first sealing lip top and inner ring sidewall line contact sealing, described second sealing lip top and inner ring outer wall line contact sealing, described O-ring seal is provided with the 3rd sealing lip and the 4th sealing lip, the section tip of described 3rd sealing lip and the 4th sealing lip is plane and fits tightly with outer ring inwall, annular cavity is formed between described 3rd sealing lip the 4th sealing lip.
Described a kind of stuffing box bearing, it is characterized in that one end that described inserted part is goed deep in draw-in groove slightly tilts to inner ring, fits in middle part and the side, outer ring of described annular brace skeleton.
Described a kind of stuffing box bearing, is characterized in that both sides, described outer ring are provided with O-ring seal.
Reasonable in design of the present invention, by the inserted part be used in conjunction with each other and the draw-in groove of setting, O-ring seal and outer ring are connected closely and define good sealing, 3rd sealing lip, the setting of the 4th sealing lip, further enhanced leaktightness performance again, first sealing lip and the second sealing lip form line contact sealing with the sidewall of inner ring and inwall respectively, inner concave arc surface between first sealing lip and the second sealing lip and annular projection form line contact sealing, three road linear contact lay are sealed with the sealability that ensure that between O-ring seal and inner ring of effect, substantially increase the sealability of this bearing, effectively prevent foreign material from entering between inner ring and outer ring, improve working life.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention;
In figure: 1-outer ring, 2-inner ring, 3-O-ring seal, 4-inserted part, 5-draw-in groove, 6-first sealing lip, 7-second sealing lip, 8-inner concave arc surface, 9-annular projection, 10-support frame, 11-first compresses end, and 12-second compresses end, 13-the 3rd sealing lip, 14-the 4th sealing lip, 15-cavity.
Embodiment
The present invention is further illustrated below in conjunction with Figure of description.
As shown in Figure 1, a kind of stuffing box bearing of the present invention, comprise outer ring 1 and inner ring 2, O-ring seal 3 is provided with between outer ring 1 and inner ring 2, O-ring seal 3 is fixed on outer ring 1, O-ring seal 3 outer end is provided with annular inserted part 4, side, outer ring be provided with inserted part 4 with the use of draw-in groove 5, O-ring seal 3 the inner is provided with the first sealing lip 6 and the second sealing lip 7, inner concave arc surface 8 is formed between first sealing lip 6 and the second sealing lip 7, inner ring 2 outer wall is provided with annular projection 9, annular projection 9 top contacts with inner concave arc surface 8 and seals, annular brace skeleton 10 is provided with in O-ring seal 3, annular brace skeleton 10 cross section is substantially c-shaped, one end is the first compression end 11, the other end is the second compression end 12, first compresses end 11 between outer ring 1 and inner ring 2, second compresses end 12 is positioned at draw-in groove 5, first sealing lip 6 top and inner ring 2 sidewall line contact sealing, second sealing lip 7 top and inner ring 2 outer wall line contact sealing, ring packing, the 3rd sealing lip 13 and the 4th sealing lip 14 is provided with on 3, the section tip of the 3rd sealing lip 13 and the 4th sealing lip 14 is plane and fits tightly with outer ring 1 inwall, annular cavity 15 is formed between 3rd sealing lip 13 and the 4th sealing lip 14.One end that inserted part 4 is goed deep in draw-in groove 5 slightly tilts to inner ring, and the middle part of annular brace skeleton 10 is with outer, and 1 side laminating, both sides, outer ring 1 are provided with O-ring seal 3.
The present invention is by being used in conjunction with each other inserted part 4 and draw-in groove 5, O-ring seal 3 is made to be connected closely with outer ring 1 and to define good sealing, 3rd sealing lip 13, the 4th top of sealing lip 14 in plane can be fitted on the inwall of outer ring 1 closely, therefore the 3rd sealing lip 13, the 4th sealing lip 14 strengthen again the sealability of O-ring seal 3 and outer ring 1 further, the annular cavity 15 formed between 3rd sealing lip 13 and the 4th sealing lip 14 has the effect of absorption, O-ring seal 3 can be adsorbed on outer ring 1 firmly, make sealing tightr; First sealing lip 6 and the second sealing lip 7 form line contact sealing with the sidewall of inner ring 2 and inwall respectively, inner concave arc surface 8 between first sealing lip 6 and the second sealing lip 7 is provided with annular projection 9 with inner ring 2 inwall and forms line contact sealing, multiplet contact sealing effectively ensure that the sealability between O-ring seal and inner ring, and be filled with lubricating grease in inner concave arc surface, this line contact sealing place, three roads is made to form oil sealing, substantially increase the sealability of this bearing, effectively prevent foreign material from entering between inner ring and outer ring 1, improve working life.
Claims (3)
1. a stuffing box bearing, comprise outer ring (1) and inner ring (2), O-ring seal (3) is provided with between described outer ring (1) and inner ring (2), described O-ring seal (3) is fixed on outer ring (1), it is characterized in that described O-ring seal (3) outer end is provided with annular inserted part (4), outer ring (1) side be provided with inserted part (4) with the use of draw-in groove (5), described O-ring seal (3) the inner is provided with the first sealing lip (6) and the second sealing lip (7), inner concave arc surface (8) is formed between first sealing lip (6) and the second sealing lip (7), described inner ring (2) outer wall is provided with annular projection (9), described annular projection (9) top contacts with inner concave arc surface (8) and seals, annular brace skeleton (10) is provided with in described O-ring seal (3), described annular brace skeleton (10) cross section is substantially c-shaped, one end is the first compression end (11), the other end is the second compression end (12), described first compresses end (11) is positioned between outer ring (1) and inner ring (2), described second compresses end (12) is positioned at draw-in groove (5), described first sealing lip (6) top and inner ring (2) sidewall line contact sealing, described second sealing lip (7) top and inner ring (2) outer wall line contact sealing, described O-ring seal (3) is provided with the 3rd sealing lip (13) and the 4th sealing lip (14), the section tip of described 3rd sealing lip (13) and the 4th sealing lip (14) is plane and fits tightly with outer ring (1) inwall, annular cavity (15) is formed between described 3rd sealing lip (13) and the 4th sealing lip (14).
2. a kind of stuffing box bearing as claimed in claim 1, it is characterized in that one end that described inserted part (4) is stretched in draw-in groove (5) slightly tilts to inner ring (2), fits in middle part and outer ring (1) side of described annular brace skeleton (10).
3. a kind of stuffing box bearing as claimed in claim 1, is characterized in that described outer ring (1) both sides are provided with O-ring seal (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886676.XA CN105370736A (en) | 2015-12-07 | 2015-12-07 | Sealing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886676.XA CN105370736A (en) | 2015-12-07 | 2015-12-07 | Sealing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105370736A true CN105370736A (en) | 2016-03-02 |
Family
ID=55373230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886676.XA Withdrawn CN105370736A (en) | 2015-12-07 | 2015-12-07 | Sealing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611558A (en) * | 2019-02-14 | 2019-04-12 | 石家庄辰启科技有限公司 | A kind of differential oil sealing |
| CN111051723A (en) * | 2017-09-01 | 2020-04-21 | 舍弗勒技术股份两合公司 | Piston seal assembly for clutch release system and clutch release system |
-
2015
- 2015-12-07 CN CN201510886676.XA patent/CN105370736A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111051723A (en) * | 2017-09-01 | 2020-04-21 | 舍弗勒技术股份两合公司 | Piston seal assembly for clutch release system and clutch release system |
| CN111051723B (en) * | 2017-09-01 | 2022-01-21 | 舍弗勒技术股份两合公司 | Piston seal assembly for clutch release system and clutch release system |
| CN109611558A (en) * | 2019-02-14 | 2019-04-12 | 石家庄辰启科技有限公司 | A kind of differential oil sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160302 |
|
| WW01 | Invention patent application withdrawn after publication |