CN204900952U - O type circle - Google Patents
O type circle Download PDFInfo
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- CN204900952U CN204900952U CN201520685442.4U CN201520685442U CN204900952U CN 204900952 U CN204900952 U CN 204900952U CN 201520685442 U CN201520685442 U CN 201520685442U CN 204900952 U CN204900952 U CN 204900952U
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- circle body
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Abstract
The utility model discloses a O type circle, it includes a flexible circle body of being made by the silica gel material, the cross sectional shape of this flexibility circle body is circular. The more than or equal to 42 that compares of the external diameter of flexible circle body and the diameter of section of this flexibility circle body. The utility model discloses simple structure, the proportion between the external diameter of flexible circle body and the diameter of section of this flexibility circle body is set for rationally, and its sealing performance is good, and used silica gel material has good fire behavior for protection silica gel, its simple structure, low in production cost, production efficiency is high, is worth popularization and application.
Description
Technical field
The utility model relates to ring structure, particularly a kind of O type circle with excellent sealing effect.
Background technique
In prior art, the use face of O type circle is very extensive, relates in the technical fields such as mechanical seal, chemical industry equipment, electrical equipment and carries out static state or dynamic seal (packing) to various fluids such as oil, water, air or gases.O type circle is ring structure, is usually made up of various rubber, and these O type circles have the advantages such as price is lower.But its sealability is stable not.
Summary of the invention
The purpose of this utility model is, provide a kind of O type circle reasonable in design, the ratio between the diameter of section of the external diameter of flexible circle body and this flexible circle body sets rationally, its good seal performance, and structure is simple, and cost of production is low, and manufacturing efficiency is high, is worthy of popularization.
The technological scheme that the utility model is adopted for achieving the above object is:
A kind of O type circle, is characterized in that: it comprises a flexible circle body be made up of silica gel material, and the sectional shape of this flexible circle body is circular.
As further improvement of the utility model, the external diameter of described flexible circle body is more than or equal to 42 with the ratio of the diameter of section of this flexible circle body.
As further improvement of the utility model, the external diameter of described flexible circle body is 84.27 ㎜, and the tolerance of this external diameter is ± 0.3mm.
As further improvement of the utility model, the diameter of section of described flexible circle body is 2mm, and the tolerance of this diameter of section is ± 0.08mm.
The beneficial effects of the utility model are: the utility model structure is simple, ratio between the external diameter of flexible circle body and the diameter of section of this flexible circle body sets rationally, its good seal performance, structure is simple, silica gel material used is protection silica gel, and have good fireproof performance, its cost of production is low, manufacturing efficiency is high, is worthy of popularization.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of Fig. 1.
Embodiment
Embodiment 1: see Fig. 1 and Fig. 2, and a kind of O type of the utility model circle, is characterized in that: it comprises a flexible circle body 1 be made up of silica gel material, and cross section 2 shape of this flexible circle body 1 is circular.
Cross section 2 diameter ratio of the external diameter of described flexible circle body 1 and this flexible circle body 1 is more than or equal to 42.
The external diameter of described flexible circle body 1 is 84.27 ㎜, and the tolerance of this external diameter is ± 0.3mm.
Cross section 2 diameter of described flexible circle body 1 is 2mm, and the tolerance of this cross section 2 diameter is ± 0.08mm.
The utility model structure is simple, ratio between the external diameter of flexible circle body 1 and cross section 2 diameter of this flexible circle body 1 sets rationally, its good seal performance, structure is simple, silica gel material used is protection silica gel, and have good fireproof performance, its cost of production is low, manufacturing efficiency is high, is worthy of popularization.
As described in the utility model embodiment, with other O type circles of the same or similar structure of the utility model, all in the utility model protection domain.
Claims (4)
1. an O type circle, is characterized in that: it comprises a flexible circle body be made up of silica gel material, and the sectional shape of this flexible circle body is circular.
2. O type circle according to claim 1, is characterized in that, the external diameter of described flexible circle body is more than or equal to 42 with the ratio of the diameter of section of this flexible circle body.
3. O type circle according to claim 2, is characterized in that, the external diameter of described flexible circle body is 84.27 ㎜, and the tolerance of this external diameter is ± 0.3mm.
4. O type circle according to claim 2, is characterized in that, the diameter of section of described flexible circle body is 2mm, and the tolerance of this diameter of section is ± 0.08mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685442.4U CN204900952U (en) | 2015-09-07 | 2015-09-07 | O type circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685442.4U CN204900952U (en) | 2015-09-07 | 2015-09-07 | O type circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900952U true CN204900952U (en) | 2015-12-23 |
Family
ID=54923128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685442.4U Expired - Fee Related CN204900952U (en) | 2015-09-07 | 2015-09-07 | O type circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900952U (en) |
-
2015
- 2015-09-07 CN CN201520685442.4U patent/CN204900952U/en not_active Expired - Fee Related
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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: 20151223 Termination date: 20180907 |