CN204692582U - Oil sealing - Google Patents
Oil sealing Download PDFInfo
- Publication number
- CN204692582U CN204692582U CN201520402622.7U CN201520402622U CN204692582U CN 204692582 U CN204692582 U CN 204692582U CN 201520402622 U CN201520402622 U CN 201520402622U CN 204692582 U CN204692582 U CN 204692582U
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- flange
- metal frame
- convex tendon
- rubber convex
- 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
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a kind of oil sealing, its drip irrigation device is the flange that metal frame side is integrally formed with annular, described flange is near metal frame excircle side, described metal frame opposite side is provided with rubber convex tendon, described rubber convex tendon excircle diameter is slightly larger than flange excircle diameter, after oil sealing inserts, flange directly contacts with part inner circumference side, because flange and metal frame are wholely set, flange is metallic material, because metal material hardness is stronger, elasticity is lower, thus make oil sealing and part inner circumference side for firmly to contact, thus oil sealing load Rear oil seal be not easy produce crooked, and skew angle is reduced, regulate by self-tightening ability after crooked.
Description
Technical field
The utility model relates to a kind of Sealing, and more particularly, it relates to a kind of oil sealing.
Background technique
Oil sealing is used to the mechanical component of oil sealing, and the parts needing in transmission part to lubricate are isolated with parts of exerting oneself by it, are unlikely to allow oil seepage.Static seal and motive sealing with Sealing Sealing.The representative form of oil sealing is TC oil sealing, and this is the two-lip seal of the completely coated band self-tightening spring of a kind of rubber, and oil sealing in general often refers to this TC outside framework oil seal.
Because oil sealing is full bundling type, when causing oil sealing step on oil sealing and equipment and part inner circumference contacts side surfaces, the elastomeric seal portions of rubber material and oil sealing step and part inner circumference contacts side surfaces, cause oil sealing may be crooked after said fitting because rubber material is softer, and crooked degree comparatively large after cannot be replied by the self-tightening ability of oil sealing, cause the sealing effect of oil sealing greatly to reduce.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is not easy crooked after being to provide a kind of oil sealing to install, connect closely, the oil sealing of good sealing effect.
For achieving the above object, the utility model provides following technological scheme: a kind of oil sealing, comprise metal frame and the elastomeric seal portions of annular, described metal frame embeds in elastomeric seal portions, described elastomeric seal portions is integrally formed with sealing lip, and described metal frame side is integrally formed with the flange of annular, and described flange is near metal frame excircle side, described metal frame opposite side is provided with rubber convex tendon, and described rubber convex tendon excircle diameter is slightly larger than flange excircle diameter.
Preferably, described rubber convex tendon is provided with several depressions away from flange side.
Preferably, described depression is circumferentially evenly arranged.
Preferably, described rubber convex tendon outer circumferential sides face is provided with several anti-skidding lines.
Preferably, described sealing lip is provided with 2, and described 2 sealing lips are all arranged on elastomeric seal portions inner circumference side.
Preferably, described elastomeric seal portions excircle side is provided with 2 annular spring grooves, is arranged with spring ring in described spring groove.
Preferably, described flange is provided with chamfering away from metal frame side.
Compared with prior art, the beneficial effects of the utility model are: putting into of oil sealing transverse direction, rubber convex tendon is conflicted on oil sealing step, because rubber convex tendon is that rubber material has elasticity, thus make, between metal frame and oil sealing step, there is elasticity, oil sealing is made to keep self-tightening power, and flange directly contacts with part inner circumference side after oil sealing insertion, because flange and metal frame are wholely set, flange is metallic material, because metal material hardness is stronger, elasticity is lower, thus make oil sealing and part inner circumference side for firmly to contact, thus oil sealing load Rear oil seal be not easy produce crooked, and skew angle is reduced, regulate by self-tightening ability after crooked, and because rubber convex tendon excircle diameter is slightly larger than flange excircle diameter, thus make the swelling of rubber convex tendon on part inner circumference side, effectively raise the sealing of all sides of oil-seal outer and part inner circumference side, and due to rubber convex tendon be rubber material, thus make rubber convex tendon outer circumferential sides face and part inner circumference side also there is certain self-tightening power.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model oil sealing embodiment;
Fig. 2 is the sectional view of the utility model oil sealing embodiment;
Fig. 3 is the using state figure of the utility model oil sealing embodiment.
Reference character: 1, metal frame; 11, flange; 12, chamfering; 2, elastomeric seal portions; 21, sealing lip; 22, spring groove; 23, spring ring; 3, rubber convex tendon; 31, cave in; 32, anti-skidding lines; 4, part; 41, oil sealing step; 5, axle.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model oil sealing embodiment is described further.
A kind of oil sealing, comprise metal frame 1 and the elastomeric seal portions 2 of annular, described metal frame 1 embeds in elastomeric seal portions 2, described elastomeric seal portions 2 is integrally formed with sealing lip 21, described metal frame 1 side is integrally formed with the flange 11 of annular, described flange 11 is near metal frame 1 excircle side, described metal frame 1 opposite side is provided with rubber convex tendon 3, described rubber convex tendon 3 excircle diameter is slightly larger than flange 11 excircle diameter, putting into of oil sealing transverse direction, rubber convex tendon 3 is made to conflict on oil sealing step 41, due to rubber convex tendon 3 for rubber material has elasticity, thus make, between metal frame 1 and oil sealing step 41, there is elasticity, oil sealing is made to keep self-tightening power, and flange 11 directly contacts with part 4 inner circumference side after oil sealing insertion, because flange 11 and metal frame 1 are wholely set, flange 11 is metallic material, because metal material hardness is stronger, elasticity is lower, thus make oil sealing and part 4 inner circumference side for firmly to contact, thus oil sealing load Rear oil seal be not easy produce crooked, and skew angle is reduced, regulate by self-tightening ability after crooked, and because rubber convex tendon 3 excircle diameter is slightly larger than flange 11 excircle diameter, thus make rubber convex tendon 3 swelling on part 4 inner circumference side, effectively raise the sealing of all sides of oil-seal outer and part 4 inner circumference side, and due to rubber convex tendon 3 be rubber material, thus make rubber convex tendon 3 excircle side and part 4 inner circumference side also there is certain self-tightening power.
Rubber convex tendon 3 is provided with several depressions 31 away from flange 11 side, after the loading part 4 of oil sealing transverse direction, rubber convex tendon 3 is conflicted on oil sealing step 41, extrude oil sealing again, the gas in depression 31 discharged, when after installing because the gas caved in 31 is extruded, thus make the air pressure in depression 31 be less than ambient pressure, thus make depression 31 go out to produce certain suction, thus oil sealing can be inhaled on oil sealing step 41, effectively raise the soundness that oil sealing connects.
Depression 31 is circumferentially evenly arranged, and suction can be evenly distributed on rubber convex tendon 3, thus make the connection of oil sealing and oil sealing step 41 more firm.
Rubber convex tendon 3 excircle side is provided with several anti-skidding lines 32, when oil sealing load after anti-skidding lines 32 just with part 4 inner circumference contacts side surfaces, effectively raise the frictional force of rubber convex tendon 3 excircle side and part 4 inner circumference side, effectively prevent oil sealing part 4 working procedure axis 5 to skid off, improve the connectivity robustness of oil sealing.
Sealing lip 21 is provided with 2, described 2 sealing lips 21 are all arranged on elastomeric seal portions 2 inner circumference side, elastomeric seal portions 2 excircle side is provided with 2 annular spring grooves 22, spring ring 23 is arranged with in described spring groove 22, when axle 5 is inserted after as oil sealing, oil sealing and axle 5 is made to have the contact of 2 positions, improve the sealing of oil sealing, and seal action can be carried out to the lubricant oil of oil sealing 2 sides respectively in the position of 2 contacts, improve sealing, to the sealing of oil sealing, there is dual protection, elastomeric seal portions 2 is subject to the tight power of circle of the spring ring 23 being enclosed within excircle side, elastomeric seal portions 2 is made to be subject to radial pressure, thus make sealing lip 21 be subject to radial pressure, thus sealing lip 21 can better be fitted on axle 5.
Flange 11 is provided with chamfering 12 away from metal frame 1 side, when oil sealing needs to extract, prevents external impurities to conflict the end of flange 11, makes foreign material be extruded along chamfering 12 or to release, prevent foreign material from taking out oil sealing and impact, facilitate oil sealing to take out.
Claims (7)
1. an oil sealing, comprise metal frame and the elastomeric seal portions of annular, described metal frame embeds in elastomeric seal portions, described elastomeric seal portions is integrally formed with sealing lip, it is characterized in that: described metal frame side is integrally formed with the flange of annular, described flange is near metal frame excircle side, and described metal frame opposite side is provided with rubber convex tendon, and described rubber convex tendon excircle diameter is slightly larger than flange excircle diameter.
2. oil sealing according to claim 1, is characterized in that: described rubber convex tendon is provided with several depressions away from flange side.
3. oil sealing according to claim 2, is characterized in that: described depression is circumferentially evenly arranged.
4. oil sealing according to claim 3, is characterized in that: described rubber convex tendon outer circumferential sides face is provided with several anti-skidding lines.
5. oil sealing according to claim 4, is characterized in that: described sealing lip is provided with 2, and described 2 sealing lips are all arranged on elastomeric seal portions inner circumference side.
6. oil sealing according to claim 5, is characterized in that: described elastomeric seal portions excircle side is provided with 2 annular spring grooves, is arranged with spring ring in described spring groove.
7. oil sealing according to claim 6, is characterized in that: described flange is provided with chamfering away from metal frame side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402622.7U CN204692582U (en) | 2015-06-11 | 2015-06-11 | Oil sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402622.7U CN204692582U (en) | 2015-06-11 | 2015-06-11 | Oil sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692582U true CN204692582U (en) | 2015-10-07 |
Family
ID=54232880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520402622.7U Expired - Fee Related CN204692582U (en) | 2015-06-11 | 2015-06-11 | Oil sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838013A (en) * | 2016-12-10 | 2017-06-13 | 瓦房店轴承集团有限责任公司 | Bearing high leakproofness is pressure-resistant combined type packing ring |
-
2015
- 2015-06-11 CN CN201520402622.7U patent/CN204692582U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838013A (en) * | 2016-12-10 | 2017-06-13 | 瓦房店轴承集团有限责任公司 | Bearing high leakproofness is pressure-resistant combined type packing ring |
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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: 20151007 Termination date: 20190611 |