CN2085876U - Hollow pipe winded sealing structure - Google Patents
Hollow pipe winded sealing structure Download PDFInfo
- Publication number
- CN2085876U CN2085876U CN 91211286 CN91211286U CN2085876U CN 2085876 U CN2085876 U CN 2085876U CN 91211286 CN91211286 CN 91211286 CN 91211286 U CN91211286 U CN 91211286U CN 2085876 U CN2085876 U CN 2085876U
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- Prior art keywords
- sealing
- hollow pipe
- sealing structure
- utility
- model
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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.)
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Abstract
The utility model provides a winding type sealing structure of a hollow pipe, which relates to a contact type sealing structure particularly used for sealing a shaft and a pump body or sealing a valve rod and a valve body. The utility model is characterized in that the sealing material is in the shape of a hollow pipe, and a plurality of adjacent slots are axially distributed on the surface of the hollow pipe. The sealing structure using the material has the effects of strong elasticity, tight sealing, very little dynamic force loss and long service life of components. The utility model can be widely used for sealing various mechanical devices.
Description
The utility model relates to a kind of contact type movable sealing structure, is specially adapted to the sealing between axle and the pump housing or valve rod and the valve body.
Usually the sealing between various axles of finding and the casing and the sealing between valve rod and the valve body generally adopts cotton, fiber crops, felt, asbestos etc. to be processed into rectangle or circular packing seals.The sealing configuration of this class material is because material is nonelastic substantially, along with the growth meeting of using the time because of the poorly sealed sealing medium leakage phenomenon that occurs.Seal if adopt rubber to substitute above-mentioned material, though certain elasticity elasticity deficiency is arranged, thus cause poorly sealed.On the other hand,, easily cause kinetic equation loss excessive and Sealing is fragile, make troubles to maintenance work because rubber and metal surface friction factor are big.To find application number be that the patent applications of 87213965 by name " tubulose elastic sealing structures " just belong to this kind situation to patent documentation by retrieval.
The purpose of this utility model provides that a kind of elasticity foot, friction effect are weak, the tight elastic material of sealing seals, to solve the existing existing deficiency of sealing configuration.
Technical solution of the present utility model is as follows:
An end is established an end liner circle in pump housing Seal cage, on axle surface, twine some circle elaxtic seals by the Seal cage part, Seal cage is end installing sealing gland in addition, its technical characteristics is the ditch that is shaped as hollow tubular and the some contiguous of its surperficial axial distribution of described elaxtic seal, and this elastic material preferably adopts rubber.
The utility model is compared with existing sealing configuration and is had following advantage:
Its elasticity is better than solid rubber material because the sealing material is hollow tubular.On the other hand, because the ditch of the some contiguous of sealing material surface axial distribution, when it is wrapped on the axle or the outer surface of valve rod, between then every circle packing be coupling touch axially on formed annular labyrinth seal, not only because of its surface for the ditch shape then but also form small-sized labyrinth sealing, dual labyrinth sealing can obtain good sealing effect.Again on the one hand,, reduced the kinetic equation loss that friction causes, prolonged part life because of sealing material contacts for line with the axle surface.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is this kind sealing material stereogram.
Below be that embodiment is further elaborated the utility model with the accompanying drawing.
Embodiment: with reference to figure 1, Fig. 2, Seal cage one end at water pump body (1) is provided with outer rim and Seal cage interference fit, the end liner circle (2) of internal diameter and axle (6) Spielpassung, the rubber packing material (3) of hollow tubular and some contiguous ditches of its surperficial axial distribution is spirally wound on the outer surface, be nested with lantern ring for liquid seal (4) (can play cooling action) therebetween by current, again this part axle is passed Seal cage, the other end at Seal cage is provided with external diameter and Seal cage interference fit, the gland (5) that internal diameter cooperates with the between centers crack, and be fixed in bolt that the assembling of then whole sealing configuration finishes on the pump housing.
Claims (2)
1, a kind of hollow tubular wrap style sealing configuration, an end is provided with an end liner circle (2) in the pump housing (1) Seal cage, axle (6) outer surface by Seal cage twines some circle elaxtic seals (3), Seal cage is end installing sealing gland (5) in addition, it is characterized in that the ditch that is shaped as hollow tubular and some contiguous of its surperficial axial distribution of described elaxtic seal.
2, Kong Xin Guan Wrapping according to claim 1 is characterized in that around the formula sealing configuration described elastic material is preferably rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91211286 CN2085876U (en) | 1991-03-03 | 1991-03-03 | Hollow pipe winded sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91211286 CN2085876U (en) | 1991-03-03 | 1991-03-03 | Hollow pipe winded sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2085876U true CN2085876U (en) | 1991-10-02 |
Family
ID=4919982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91211286 Withdrawn CN2085876U (en) | 1991-03-03 | 1991-03-03 | Hollow pipe winded sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2085876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922556A (en) * | 2010-09-20 | 2010-12-22 | 四川宏亿复合材料工程技术有限公司 | End face sealer for vacuum box of pipe production line |
| CN101666381B (en) * | 2008-09-03 | 2012-09-05 | 海洋王照明科技股份有限公司 | Sealing component |
-
1991
- 1991-03-03 CN CN 91211286 patent/CN2085876U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666381B (en) * | 2008-09-03 | 2012-09-05 | 海洋王照明科技股份有限公司 | Sealing component |
| CN101922556A (en) * | 2010-09-20 | 2010-12-22 | 四川宏亿复合材料工程技术有限公司 | End face sealer for vacuum box of pipe production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |