CN204372170U - A kind of rubber seal improving radial structure - Google Patents
A kind of rubber seal improving radial structure Download PDFInfo
- Publication number
- CN204372170U CN204372170U CN201420865534.6U CN201420865534U CN204372170U CN 204372170 U CN204372170 U CN 204372170U CN 201420865534 U CN201420865534 U CN 201420865534U CN 204372170 U CN204372170 U CN 204372170U
- Authority
- CN
- China
- Prior art keywords
- ring
- seal ring
- inner ring
- seal
- outer shroud
- 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
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model relates to a kind of rubber seal improving radial structure, comprise shell, first seal ring, second seal ring, outer shroud and inner ring and be socketed in the annular spring of the first seal ring upper end-hole outside, shell is coated on outer shroud outside, outer shroud front-end and back-end have the upper flange and lower protruding edge that extend radially inwardly respectively, the upper arc edge with circular groove structure that the end of upper flange extends radially outwardly, O RunddichtringO is filled with between the outer side wall of upper arc edge and the madial wall of shell, inner ring end has the circular inner ledge extended radially inwardly, inner ring one outer side surface is against on outer ring inner surface.Described a kind of rubber seal improving radial structure, improve the curved section of sealing lip, effectively prevent excessive deformation, thus be subject to high-pressure fluid seal radial oil sealing when avoiding the slip plane-plane contact of synthetic resin sealing lip and running shaft and affect, and improve sealability, add working life, avoid the leakage phenomenon of high-pressure liquid.
Description
Technical field
The utility model relates to the field of Sealing, especially a kind of rubber seal improving radial structure.
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 (general to-and-fro motion) 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.Sealing traditional at present, comprise the seal ring that there is rubber seal lip He axially extend to fluid-encapsulated side or right side, periphery surface of contact rubber seal lip being sealed to a running shaft realizes the first hermetic unit, seal ring forms the second hermetic unit on sealant flow side vertically,, after running shaft inserts, there is close contact between the long-time and running shaft of sealing lip in this design, cause the coarse phenomenon on sealing lip surface, thus cause leakage phenomenon.
Summary of the invention
The technical problems to be solved in the utility model is: in order to overcome above-mentioned middle Problems existing, provide a kind of rubber seal improving radial structure, and its project organization rationally and can realize good seal performance.
The utility model solves the technological scheme that its technical problem adopts: a kind of rubber seal improving radial structure, for realizing the sealing between running shaft and shell, comprise shell, first seal ring, second seal ring, outer shroud and inner ring and be socketed in the annular spring of the first seal ring upper end-hole outside, shell is coated on outer shroud outside, outer shroud front-end and back-end have the upper flange and lower protruding edge that extend radially inwardly respectively, the upper arc edge with circular groove structure that the end of upper flange extends radially outwardly, O RunddichtringO is filled with between the outer side wall of upper arc edge and the madial wall of shell, inner ring end has the circular inner ledge extended radially inwardly, inner ring one outer side surface is against on outer ring inner surface,
The described upper end portion of the first seal ring contacts with the intrados of inner ring and is connected with outer ring inner surface, the described upper end portion of the second seal ring contacts with the outer arced surface of inner ring and is connected with outer ring inner surface, the outer surface of the first seal ring and the internal surface of the second seal ring contact and are adjacent to, the inner ring surface of described outer shroud is connected with stiffening ring and the dustproof seal ring of platy structure in turn, stiffening ring another side contacts with the second seal ring, one end of dustproof seal ring peaks on lower protruding edge inner side surface, dustproof seal ring is equipped with metal ring, one end of metal ring is against on lower protruding edge inner side surface,
The radial inner ring end of the radial inner ring end of the first described seal ring, the radial inner ring end of the second seal ring, stiffening ring and the radial inner ring end of dustproof seal ring are all on the same axis.
In order to realize good sealing effect, the radial inner ring lower end mouth of described dustproof seal ring offers plane of inclination, has angle between the inner ring axial end of plane of inclination and dustproof seal ring, and its angle is 30 ~ 60 °.
Between the inner ring axial end of described plane of inclination and dustproof seal ring, angle is 45 °.
The beneficial effects of the utility model are: described a kind of rubber seal improving radial structure, adopt the Sealing of this kind of design, improve the curved section of sealing lip, effectively prevent excessive deformation, thus be subject to high-pressure fluid seal radial oil sealing when avoiding the slip plane-plane contact of synthetic resin sealing lip and running shaft and affect, and improve sealability, add working life, avoid the leakage phenomenon of high-pressure liquid.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is a kind of overall structure schematic diagram improving the rubber seal of radial structure described in the utility model.
Accompanying drawing acceptance of the bid note is described below: 1, shell, the 2, first seal ring, the 3, second seal ring, 4, outer shroud, 41, upper flange, 42, lower protruding edge, 43, upper arc edge, 5, inner ring, 51, circular inner ledge, 6, annular spring, 7, O RunddichtringO, 8, stiffening ring, 9, dustproof seal ring, 10, metal ring.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of rubber seal improving radial structure as shown in Figure 1, for realizing the sealing between running shaft and shell, comprise shell 1, first seal ring 2, second seal ring 3, outer shroud 4 and inner ring 5 and annular spring 6, it is outside that annular spring 6 is socketed in the first seal ring 2 upper end-hole, it is outside that shell 1 is coated on outer shroud 4, there is in outer shroud 4 front-end and back-end upper flange 41 and lower protruding edge 42 respectively that extend radially inwardly, the upper arc edge 43 with circular groove structure that the end of upper flange 41 extends radially outwardly, O RunddichtringO 7 is filled with between the outer side wall of upper arc edge 43 and the madial wall of shell 1, O RunddichtringO 7 is clamped on shell 1 by the annular groove of upper arc edge 43, there is in inner ring 5 end the circular inner ledge 51 extended radially inwardly, inner ring 5 one outer side surface is against on outer shroud 4 internal surface, the upper end portion of the first seal ring 2 contacts with the intrados of inner ring 5 and is connected with outer shroud 4 internal surface, the upper end portion of the second seal ring 3 contacts with the outer arced surface of inner ring 5 and is connected with outer shroud 4 internal surface, the outer surface of the first seal ring 2 and the internal surface of the second seal ring 3 contact and are adjacent to, the inner ring surface of outer shroud 4 is connected with stiffening ring 8 and the dustproof seal ring 9 of platy structure in turn, stiffening ring 8 another side contacts with the second seal ring 3, one end of dustproof seal ring 9 peaks on lower protruding edge 42 inner side surface, dustproof seal ring 9 is equipped with metal ring 10, the radial inner ring lower end mouth of dustproof seal ring 9 offers plane of inclination, between the inner ring axial end of plane of inclination and dustproof seal ring 9, there is angle, its angle is 45 °, one end of metal ring 10 is against on lower protruding edge 42 inner side surface, the radial inner ring end of the first seal ring 2, the radial inner ring end of the second seal ring 3, the radial inner ring end of stiffening ring 8 and the radial inner ring end of dustproof seal ring 9 are all on the same axis.
A kind of rubber seal improving radial structure of the present utility model, due to the low resistance to flexure of sealing lip, so establish metal ring 10 in dustproof seal ring 9, thus prevent its overbending there to be synthetic resin sealing lip to realize the Fluid Sealing of high pressure, add the contact on spin axis, thus every synthetic resin sealing lip is contacted with the unit area of running shaft greatly improve pressure, thus improve the sealability achieved to a certain degree.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this model utility technological thought, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. one kind is improved the rubber seal of radial structure, for realizing the sealing between running shaft and shell, it is characterized in that: comprise shell (1), first seal ring (2), second seal ring (3), outer shroud (4) and inner ring (5) and be socketed in the annular spring (6) of the first seal ring (2) upper end-hole outside, it is outside that shell (1) is coated on outer shroud (4), outer shroud (4) front-end and back-end have the upper flange (41) and lower protruding edge (42) that extend radially inwardly respectively, the upper arc edge (43) with circular groove structure that the end of upper flange (41) extends radially outwardly, O RunddichtringO (7) is filled with between the outer side wall of upper arc edge (43) and the madial wall of shell (1), inner ring (5) end has the circular inner ledge (51) extended radially inwardly, inner ring (5) one outer side surface is against on outer shroud (4) internal surface,
The upper end portion of described the first seal ring (2) contacts with the intrados of inner ring (5) and is connected with outer shroud (4) internal surface, the upper end portion of described the second seal ring (3) contacts with the outer arced surface of inner ring (5) and is connected with outer shroud (4) internal surface, the outer surface of the first seal ring (2) and the internal surface of the second seal ring (3) contact and are adjacent to, the inner ring surface of described outer shroud (4) is connected with stiffening ring (8) and the dustproof seal ring (9) of platy structure in turn, stiffening ring (8) another side contacts with the second seal ring (3), one end of dustproof seal ring (9) peaks on lower protruding edge (42) inner side surface, dustproof seal ring (9) is equipped with metal ring (10), one end of metal ring (10) is against on lower protruding edge (42) inner side surface,
The radial inner ring end of the radial inner ring end of described the first seal ring (2), the radial inner ring end of the second seal ring (3), stiffening ring (8) and the radial inner ring end of dustproof seal ring (9) are all on the same axis.
2. a kind of rubber seal improving radial structure according to claim 1, it is characterized in that: the radial inner ring lower end mouth of described dustproof seal ring (9) offers plane of inclination, have angle between the inner ring axial end of plane of inclination and dustproof seal ring (9), its angle is 30 ~ 60 °.
3. a kind of rubber seal improving radial structure according to claim 2, is characterized in that: between the inner ring axial end of described plane of inclination and dustproof seal ring (9), angle is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865534.6U CN204372170U (en) | 2014-12-29 | 2014-12-29 | A kind of rubber seal improving radial structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865534.6U CN204372170U (en) | 2014-12-29 | 2014-12-29 | A kind of rubber seal improving radial structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372170U true CN204372170U (en) | 2015-06-03 |
Family
ID=53328392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865534.6U Expired - Fee Related CN204372170U (en) | 2014-12-29 | 2014-12-29 | A kind of rubber seal improving radial structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372170U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439033A (en) * | 2015-08-12 | 2017-02-22 | 斯凯孚公司 | Seal with two-piece casing |
| CN107990003A (en) * | 2017-11-28 | 2018-05-04 | 尹财富 | A kind of restorative procedure of backbone sealing ring |
| CN108006229A (en) * | 2017-11-28 | 2018-05-08 | 尹财富 | A kind of axle sealing structure |
| WO2022152319A1 (en) * | 2021-01-18 | 2022-07-21 | 舍弗勒技术股份两合公司 | Bearing and sealing device |
-
2014
- 2014-12-29 CN CN201420865534.6U patent/CN204372170U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439033A (en) * | 2015-08-12 | 2017-02-22 | 斯凯孚公司 | Seal with two-piece casing |
| CN107990003A (en) * | 2017-11-28 | 2018-05-04 | 尹财富 | A kind of restorative procedure of backbone sealing ring |
| CN108006229A (en) * | 2017-11-28 | 2018-05-08 | 尹财富 | A kind of axle sealing structure |
| CN107990003B (en) * | 2017-11-28 | 2019-10-15 | 嵊州市森汇知识产权运营有限公司 | A kind of restorative procedure of backbone sealing ring |
| CN108006229B (en) * | 2017-11-28 | 2019-10-15 | 嵊州市森汇知识产权运营有限公司 | A kind of axle sealing structure |
| WO2022152319A1 (en) * | 2021-01-18 | 2022-07-21 | 舍弗勒技术股份两合公司 | Bearing and sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204372170U (en) | A kind of rubber seal improving radial structure | |
| CN204164550U (en) | A kind of pipeline extension device of triple seal structure | |
| CN204677441U (en) | The linkage structure of rotary compressor suction tude and cylinder suction port | |
| CN204458481U (en) | A kind of clear water centrifugal pump internal pressure type sealing configuration | |
| CN102889383A (en) | Movable sealing device for quick door opening type pressure container | |
| CN208268410U (en) | A kind of dust-proof outside framework oil seal | |
| CN202501009U (en) | Lip-shaped sealing ring with spiral sealing rib for rotating shaft | |
| CN204239751U (en) | A kind of Novel threaded sealing structure | |
| CN105402416A (en) | Sealing ring for rotating shaft | |
| CN205154917U (en) | A seal structure for bearing | |
| CN203961966U (en) | Rotary valve mud pulse generator | |
| CN203548945U (en) | Soft seal butterfly valve | |
| CN202040324U (en) | Sealing ring with grooves | |
| CN207018510U (en) | A kind of automobile static seal oil jacket device | |
| CN204372177U (en) | A kind of leakage-proof type sealing member for rotating shaft | |
| CN206175663U (en) | Rotary shaft seal structure and for rotary shaft seal sealing washer | |
| CN206522443U (en) | A kind of metal seal | |
| CN203258070U (en) | Inclined pressure-bearing high pressure oil seal for hydraulic motor | |
| CN204437273U (en) | A kind of lip-shaped sealed ring for running shaft | |
| CN207989565U (en) | A kind of accurate sealing gland | |
| CN205117791U (en) | Centrifugation pump shaft seal structure | |
| CN205064595U (en) | A seal structure for bearing | |
| CN203335863U (en) | Rotary oil seal with radial outer fixing face of cornice type interference helical tooth design | |
| CN203348338U (en) | Bearing seal ring | |
| CN201836389U (en) | Rotary shaft lip seal |
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 |
Granted publication date: 20150603 Termination date: 20161229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |