CN203585324U - Sealing element - Google Patents
Sealing element Download PDFInfo
- Publication number
- CN203585324U CN203585324U CN201320603619.2U CN201320603619U CN203585324U CN 203585324 U CN203585324 U CN 203585324U CN 201320603619 U CN201320603619 U CN 201320603619U CN 203585324 U CN203585324 U CN 203585324U
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- CN
- China
- Prior art keywords
- seal ring
- sealing
- sealing ring
- annular
- seal
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Abstract
The utility model discloses a sealing element, which relates to the field of sealing components. The sealing element comprises a first sealing ring, a second sealing ring and a third sealing ring, wherein the first sealing ring is cooperatively used with the second sealing ring and the third sealing ring; the first sealing ring comprises an upper bottom surface, a lower bottom surface, a vertical side surface and double oblique side surfaces; each of the second sealing ring and the third sealing ring comprises a bottom surface, an inner bottom surface, a vertical side surface and a sunken inner side surface; a central through hole is formed in the first sealing ring, and six annular sealing rings are arranged on the hole wall; annular grooves are formed in the double oblique side surfaces; a central through hole is formed in the second sealing ring, and an annular bulge is arranged on the inner side surface. The sealing element disclosed by the utility model is capable of improving the stability of a valve rod during vertical movement work so as to avoid the occurrence of a playing phenomenon, improving the sealing performance thereof and prolonging service life, as well as wide in application range.
Description
Technical field
The utility model belongs to seal element field, relates in particular to a kind of Sealing.
Background technique
Sealing is to prevent that fluid or solid particle are from leaking and prevent the component that introduced contaminants is invaded machinery equipment inside as dust and moisture etc. between adjacent junction plane, in recent years, along with economic rapid growth, the demand of rubber-plastic sealing part is increasing, corresponding also more and more higher to the performance requirement of Sealing.As patent No. CN201843993U discloses a kind of seal ring, comprise sealing circle body, the central authorities of described sealing circle body are provided with center hole, and the intermediate thin edge of described sealing circle body is thick, when guaranteeing sealing effect, can effectively reduce and the surface friction drag that hole wall is installed, there is reasonable in design, simple in structure, easy processing, good reliability, but there is certain defect in this model utility, as bad in valve rod stability in moving up and down work, play phenomenon can occur, and seal ring wear resistance is not good.
Model utility content
The purpose of this utility model is to provide a kind of Sealing, to solve the above-mentioned multinomial defect causing in prior art.
A kind of Sealing, comprise the first seal ring, the second seal ring and the 3rd seal ring, described the first seal ring and the second seal ring, the 3rd seal ring is used in conjunction with, described the first seal ring comprises upper bottom surface, bottom surface, vertical side and diclinic side, described the second seal ring and the 3rd seal ring include bottom surface, inner bottom surface, vertical side and concave inside face, described the first seal ring is provided with central through bore, hole wall is provided with 6 annular seal rings, described diclinic is all provided with annular recess on side, described the second seal ring is provided with central through bore, described inner side surface is provided with annular projection.
Preferably, on described the first seal ring, the second seal ring and the 3rd seal ring hole wall, be all provided with wearing layer, described wearing layer thickness is 0.3-0.5mm.
Preferably, in described groove, be equipped with stiffening rib.
Preferably, totally 16 of described stiffening ribs, are evenly distributed in two grooves, and adjacent two stiffening rib angles are 44-46o.
Preferably, described the first seal ring, the second seal ring and the 3rd sealing ring material are all flexible sealing rubber.
Preferably, described the first seal ring, the second seal ring, the 3rd seal ring external diameter are all identical with internal diameter.
The utility model has the advantage of: described the first seal ring is provided with central through bore, hole wall is provided with 6 annular seal rings, described diclinic is all provided with groove on side, described inner side surface is provided with annular projection, strengthened the guidance quality of member, between seal ring, form interlocking structure, described annular groove and annular protrusion, all can improve the sealing of Sealing, described the first seal ring, on the second seal ring and the 3rd seal ring hole wall, be all provided with wearing layer, can reduce sealing part works loss, increase the service life, in two grooves of described the first seal ring, be all provided with stiffening rib, can improve the structural strength of the first seal ring, described the first seal ring, the second seal ring and the 3rd sealing ring material are all flexible sealing rubber, make Sealing there is oil resistant, anti-oxidant and corrosion resistance.
Accompanying drawing explanation
Fig. 1 is the plan view of a kind of Sealing described in the utility model.
Fig. 2 is the plan view of the first seal ring in a kind of Sealing described in the utility model.
Wherein: 1-the first seal ring, 2-the second seal ring, 3-the 3rd seal ring, 4-seal ring, 5-annular recess, 6-annular projection, 7-stiffening rib.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As depicted in figs. 1 and 2, a kind of Sealing, comprise the first seal ring 1, the second seal ring 2 and the 3rd seal ring 3, described the first seal ring 1 and the second seal ring 2, the 3rd seal ring 3 is used in conjunction with, described the first seal ring 1 comprises upper bottom surface, bottom surface, vertical side and diclinic side, described the second seal ring 2 and the 3rd seal ring 3 include bottom surface, inner bottom surface, vertical side and concave inside face, described the first seal ring 1 is provided with central through bore, hole wall is provided with 6 annular seal rings 4, described diclinic is all provided with annular recess 5 on side, described the second seal ring 2 is provided with central through bore, described inner side surface is provided with annular projection 6, strengthened the guidance quality of member, valve rod stability in moving up and down work is improved, can there is not play phenomenon, 4 of seal rings form interlocking structure, described annular groove 5 and annular protrusion 6, all can improve the sealing of Sealing.
It should be noted that on described the first seal ring 1, the second seal ring 2 and the 3rd seal ring 3 hole walls and be all provided with wearing layer, described wearing layer thickness is 0.3-0.5mm, can reduce sealing part works loss, increases the service life.
In addition, in described groove 5, be equipped with stiffening rib 7, totally 16 of described stiffening ribs 7, are evenly distributed in two annular grooves 5, can improve the structural strength of the first seal ring 1.
In the present embodiment, described the first seal ring 1, the second seal ring 2 and the 3rd seal ring 3 materials are all flexible sealing rubber, make Sealing have oil resistant, anti-oxidant and corrosion resistance.
Based on above-mentioned, the hole wall of the first seal ring is provided with 6 annular seal rings, strengthened the guidance quality of member, valve rod stability in moving up and down work is improved, play phenomenon can not occur, and form interlocking structure between 6 seal rings, can make sealing improve, the annular projection that the inner side surface of the annular recess that the diclinic side of the first seal ring is all provided with and the second seal ring, the 3rd seal ring is provided with, yielding during pressurized while being sealing part works, further improved sealing.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a Sealing, comprise the first seal ring, the second seal ring and the 3rd seal ring, described the first seal ring and the second seal ring, the 3rd seal ring is used in conjunction with, described the first seal ring comprises upper bottom surface, bottom surface, vertical side and diclinic side, described the second seal ring and the 3rd seal ring include bottom surface, inner bottom surface, vertical side and concave inside face, it is characterized in that: described the first seal ring is provided with central through bore, hole wall is provided with 6 annular seal rings, described diclinic is all provided with annular recess on side, described the second seal ring is provided with central through bore, described inner side surface is provided with annular projection.
2. a kind of Sealing according to claim 1, is characterized in that: on described the first seal ring, the second seal ring and the 3rd seal ring hole wall, be all provided with wearing layer, described wearing layer thickness is 0.3-0.5mm.
3. a kind of Sealing according to claim 1, is characterized in that: in described groove, be equipped with stiffening rib.
4. a kind of Sealing according to claim 3, is characterized in that: totally 16 of described stiffening ribs, be evenly distributed in two grooves, and adjacent two stiffening rib angles are 44-46o.
5. a kind of Sealing according to claim 1, is characterized in that: described the first seal ring, the second seal ring and the 3rd sealing ring material are all flexible sealing rubber.
6. a kind of Sealing according to claim 1, is characterized in that: described the first seal ring, the second seal ring, the 3rd seal ring external diameter are all identical with internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320603619.2U CN203585324U (en) | 2013-09-29 | 2013-09-29 | Sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320603619.2U CN203585324U (en) | 2013-09-29 | 2013-09-29 | Sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585324U true CN203585324U (en) | 2014-05-07 |
Family
ID=50583251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320603619.2U Expired - Fee Related CN203585324U (en) | 2013-09-29 | 2013-09-29 | Sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830172A (en) * | 2016-09-16 | 2018-03-23 | 福特全球技术公司 | Extruded gasket holds cutting system side by side |
-
2013
- 2013-09-29 CN CN201320603619.2U patent/CN203585324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830172A (en) * | 2016-09-16 | 2018-03-23 | 福特全球技术公司 | Extruded gasket holds cutting system side by side |
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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 |
Granted publication date: 20140507 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |