CN203239928U - High-speed two-stage dynamic seal ring - Google Patents
High-speed two-stage dynamic seal ring Download PDFInfo
- Publication number
- CN203239928U CN203239928U CN 201320178805 CN201320178805U CN203239928U CN 203239928 U CN203239928 U CN 203239928U CN 201320178805 CN201320178805 CN 201320178805 CN 201320178805 U CN201320178805 U CN 201320178805U CN 203239928 U CN203239928 U CN 203239928U
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- Prior art keywords
- dynamic seal
- seal ring
- ring
- speed
- stage
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- 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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Abstract
The utility model discloses a high-speed two-stage dynamic seal ring, which relates to the technical field of seal rings. The high-speed two-stage dynamic seal ring is characterized by comprising a first-stage dynamic seal ring structure and a second-stage dynamic seal ring structure, wherein the first-stage dynamic seal ring structure comprises an inner ring, a middle ring and a first sealing medium between the inner ring and the middle ring; and the second-stage dynamic seal ring structure comprises a middle ring, an outer ring and a second sealing medium between the outer ring and the middle ring, and is arranged on the outer side of the first-stage dynamic seal ring structure. The high-speed two-stage dynamic seal ring has the beneficial effects of simple structure, capability of improving the integral limit rotation speed of the dynamic seal ring, low probability of causing damage and capability of prolonging the service life of the dynamic seal ring.
Description
Technical field:
The utility model relates to the technical field of dynamic seal ring, relates in particular to a kind of high-speed two-stage dynamic seal ring.
Background technique:
Dynamic seal ring mainly by inner ring, outer ring and two between the sealing medium group consist of, deficiency is inner ring, the inner ring when outer ring relatively rotates, outer ring and two between the mutual frictional heating of sealing medium, certain rotating speed upper limit is arranged, to avoid destruction.
The model utility content:
Technical problem to be solved in the utility model is to overcome the defective of prior art, and a kind of high-speed two-stage dynamic seal ring that improves the whole limit speed of dynamic seal ring and prolong its working life is provided.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of high-speed two-stage dynamic seal ring, it is characterized in that: comprise first order dynamic seal ring structure and second level dynamic seal ring structure, described first order dynamic seal ring structure comprise inner ring, mesosphere and be located at inner ring and mesosphere between the first sealing medium, described second level dynamic seal ring structure comprise mesosphere, outer ring and be located at the outer ring and mesosphere between the second sealing medium, described second level dynamic seal ring structure is located at the outside of first order dynamic seal ring structure.
Described sealing medium is one or more in metal o-ring, carbon seal ring, rubber seal or the fluid.
The inner ring of this kind two-stage (namely two layers) dynamic seal ring and mesosphere reach therebetween, and sealing medium forms an ordinary single-stage dynamic seal ring, mesosphere and outer ring reach therebetween, and sealing medium forms another ordinary single-stage dynamic seal ring, when the limit speed of the relative inner ring rotary work of mesosphere at the ordinary single-stage dynamic seal ring, simultaneously the equidirectional relative mesosphere rotary work in outer ring is when the limit speed of ordinary single-stage dynamic seal ring, the inner ring of this kind two-stage dynamic seal ring and the limit speed between the outer ring be two-stage ordinary single-stage dynamic seal ring limit speed and.This two-stage movable sealing structure is all useful to improving the whole limit speed of dynamic seal ring or prolonging its working life.
The beneficial effects of the utility model: the utility model is simple in structure, has improved the whole limit speed of dynamic seal ring, is not easy to be damaged, and has prolonged the working life of dynamic seal ring.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of high-speed two-stage dynamic seal ring, comprise first order dynamic seal ring structure and second level dynamic seal ring structure, first order dynamic seal ring structure comprise inner ring 1, mesosphere 3 and be located at inner ring 1 and mesosphere 3 between the first sealing medium 2, second level dynamic seal ring structure comprise mesosphere 3, outer ring 5 and be located at outer ring 5 and mesosphere 3 between the second sealing medium 4, second level dynamic seal ring structure is located at the outside of first order dynamic seal ring structure.Sealing medium is one or more in metal o-ring, carbon seal ring, rubber seal or the fluid.
When sealing medium is fluorine rubber ring,
Inner ring 1, fluorine rubber ring, mesosphere 3, fluorine rubber ring, outer ring 5 consist of a high-speed two-stage dynamic seal ring together.The inner ring 1 of this kind two-stage (namely two layers) dynamic seal ring and mesosphere 3 reach therebetween, and the sealing medium fluorine rubber ring forms an ordinary single-stage dynamic seal ring, mesosphere 3 and outer ring 5 reach therebetween, and the sealing medium fluorine rubber ring forms another ordinary single-stage dynamic seal ring, when the limit speed of mesosphere 3 relative inner ring 1 rotary works at the ordinary single-stage dynamic seal ring, simultaneously the equidirectional relative mesosphere rotary work in outer ring is when the limit speed of ordinary single-stage dynamic seal ring, the inner ring 1 of this kind two-stage dynamic seal ring and the limit speed between the outer ring 5 be two-stage ordinary single-stage dynamic seal ring limit speed with.This two-stage movable sealing structure is all useful to improving the whole limit speed of dynamic seal ring or prolonging its working life.
Above demonstration and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. high-speed two-stage dynamic seal ring, it is characterized in that: comprise first order dynamic seal ring structure and second level dynamic seal ring structure, described first order dynamic seal ring structure comprise inner ring, mesosphere and be located at inner ring and mesosphere between the first sealing medium, described second level dynamic seal ring structure comprise mesosphere, outer ring and be located at the outer ring and mesosphere between the second sealing medium, described second level dynamic seal ring structure is located at the outside of first order dynamic seal ring structure.
2. a kind of high-speed two-stage dynamic seal ring according to claim 1, it is characterized in that: described sealing medium is one or more in metal o-ring, carbon seal ring, rubber seal or the fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178805 CN203239928U (en) | 2013-04-11 | 2013-04-11 | High-speed two-stage dynamic seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178805 CN203239928U (en) | 2013-04-11 | 2013-04-11 | High-speed two-stage dynamic seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239928U true CN203239928U (en) | 2013-10-16 |
Family
ID=49317226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320178805 Expired - Lifetime CN203239928U (en) | 2013-04-11 | 2013-04-11 | High-speed two-stage dynamic seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239928U (en) |
-
2013
- 2013-04-11 CN CN 201320178805 patent/CN203239928U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Xinlian Inventor before: Gao Qin Inventor before: Li Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: GAO QIN LI JUN TO: WU XINLIAN |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
|
| CX01 | Expiry of patent term |