CN1025131C - Gas-filled rubber sealing ring and its sealing structure - Google Patents
Gas-filled rubber sealing ring and its sealing structure Download PDFInfo
- Publication number
- CN1025131C CN1025131C CN 91106681 CN91106681A CN1025131C CN 1025131 C CN1025131 C CN 1025131C CN 91106681 CN91106681 CN 91106681 CN 91106681 A CN91106681 A CN 91106681A CN 1025131 C CN1025131 C CN 1025131C
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- sealing
- gas
- top cover
- ring
- cylindrical shell
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- Expired - Fee Related
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Abstract
The present invention relates to a gas-filled rubber sealing ring and a sealing structure thereof, which belongs to a sealing element and a structure for a pressure container and is suitable for the sealing requirement of industrial pressure containers and daily pressure cookers. The gas-filled rubber sealing ring and a sealing structure thereof have the characteristics of simple structure, low manufacture cost, good sealing performance, realization of axial and radial self-tightening seal, convenient cover closing and cover opening, etc. The outer edge of the gas-filled rubber sealing ring is provided with a guiding positioning ring, and a complete closed hollow circular ring is formed after the upper lip side and the lower lip side of the inner edge of the gas-filled rubber sealing ring are folded. The hollow circular ring outwards expands after high-pressure gas (or liquid) is filled in the pressure container to generate the self-tightening performance in the axial direction and the radial direction, and the greater the pressure in the pressure container is, the stronger the self-tightening performance is, and the better the sealing performance is.
Description
The invention belongs to the seal element and the sealing configuration of pressurized container.
In the working procedure of industrial pressure vessels, require to have reliable sealing between top cover, seal element and the cylindrical shell end.Though more existing sealing configurations can seal more reliably, and the some shortcomings part is also arranged, as the volume heaviness that has, the diameter of bolt is very big, and what have needs heavy forging, requires the roughness and the precision of processing too high; The mounting or dismounting that have are convenient inadequately; Have under the situation of pressure and temperature fluctuation, can not seal reliably.
Daily pressure cooker is the necessity of people's daily life, belongs to low pressure vessel, and the quality of its using effect, key are the rubber seal that pot cover and pot seal between the body.The extensive in the market General Purpose Rubber seal ring of selling (ZBY73006-85 China National Light Industrial Products Department professional standard), because its sealing lip limit is short, sealing reliability is not high, be easy to wear out, after following the string, produce the phenomenon of leaking, so its working life is not long, influence the normal use of pressure cooker, increased worry and its economic burden that needs often to change rubber seal to consumers in general.
To the objective of the invention is in order addressing the above problem, to have proposed a kind of gas-filled type rubber seal and sealing configuration thereof that has from sigma compactness, to satisfy the sealing needs of industrial pressure vessels and daily pressure cooker.
One guide-localization ring is arranged on the outer rim of gas-filled type rubber seal of the present invention, two sealing lip limits are up and down arranged on the inner edge, this two sealing lips limit forms the hollow ring of a complete closure in pressurized container, have the inlet hole of two nearer little support posts formation on the sealing lip limit at least apart or have an aperture or a small gap that supplies air inlet to use at least, pressurized gas in the pressurized container enter in the hollow ring of above-mentioned rubber seal by these air inlet apertures, make outwards the expand sealing surface of compaction pressure container of hollow ring, thereby realize the self-tightening effect, strengthened sealing.
Sealing configuration of the present invention is made up of above-mentioned gas-filled type rubber seal cushion rubber and top cover, cylindrical shell etc., have on the sealing surface between top cover and the cylindrical shell and the shape of sealing circle, the groove that size matches, top cover is by the supporting of the outer rim of body end surface, have between the inner edge of top cover and cylindrical shell sealing surface allow pressurized gas by and make this gas enter the gap of gas-filled type rubber seal.
Be described in detail below in conjunction with accompanying drawing:
Fig. 1 is the sectional view that is applicable to the gas-filled type rubber seal of industrial pressure vessels.
Sectional view when Fig. 2 works in industrial pressure vessels for the gas-filled type rubber seal.
Fig. 3 is the bottom surface worm's eye view of top cover.
Fig. 4 is the end face plan view of cylindrical shell.
Sectional view when Fig. 5 works for the clip device.
Fig. 6 is the sectional view that is applicable to the gas-filled type rubber seal of daily pressure cooker.
Sectional view when Fig. 7 works in daily pressure cooker for the gas-filled type rubber seal.
Fig. 8 is a partial view of being with little support post I and small gap A section on the gas-filled type rubber seal.
Fig. 9 is the partial view when being with little support post I and the work of small gap A section on the gas-filled type rubber seal.
As the rectangular cross-section in Fig. 1 and the gas-filled type rubber seal 1 shown in Figure 6 is the section of guide-localization ring, opening direction during the upper and lower two sealing lip edge works of this guide-localization environmental protection card sealing circle, cover under the pressure effect at top cover 2 or pot cover 5 passes, can draw close between the lip, and certain contact pressure arranged, upper-lower seal lip limit has formed the hollow ring of a complete closure like this, and the shape of cross section of this hollow ring can be circle, rectangle, triangle, as Fig. 2, shown in Figure 7.The lip junction point is right against the gap that can include the body of calming the anger by cylindrical shell of top cover 2 bottom surfaces and the formation of cylindrical shell 3 end faces, the two little support posts that on the lip on two sealing lip limits up and down, have some groups of close proximity respectively, as on Fig. 1 and the last sealing lip limit shown in Figure 6 with little support post I, on the lower seal lip limit with the little support post do not draw, the little support post on the little support post on last sealing lip limit and lower seal lip limit can be in same transverse section, but two little support posts on the same lip limit must close proximity and are not connected together, as shown in Figure 8, after closing lid, supporting role because of two little support posts, make that the sealing lip limit can not be closed between the II, thereby between two little support post I and the upper-lower seal lip limit between them, formed a little inlet hole, as shown in Figure 9.Pressurized gas (or highly pressurised liquid) in the cylindrical shell, gap and above-mentioned little inlet hole between the bottom surface that will be by top cover and the end face of cylindrical shell enter in the gas-filled type rubber seal 1, at this moment outwards expand in two sealing lip limits, the sealing surface of being close to top cover 2 and cylindrical shell 3, and this gas-filled type rubber seal radially also has expansion simultaneously, therefore, it have axially and radially two directions from sigma compactness, along with the increased pressure in the cylindrical shell, the pressure of the inner chamber of gas-filled type rubber seal is also along with increasing, the self-tightening effect strengthens thereupon, so sealing load and sealing reliability also strengthen thereupon.
Situation when Fig. 7 works in daily pressure cooker for the gas-filled type rubber seal as shown in the figure, has formed hollow ring after the closure of upper-lower seal lip limit, 5 is pot cover among the figure, and 6 is the pot body.
On the lip on upper-lower seal lip limit, can open one or several aperture that advances pressurized gas or small gap A, as Fig. 8, shown in Figure 9, its effect is the same with the effect of above-mentioned two adjacent little support posts, forms the self-tightening effect so that enter pressurized gas.
Sealing configuration of the present invention also has the characteristics that Yi Guangai uncaps simultaneously.Fig. 3 is the bottom surface worm's eye view of top cover 2, and the radially alternate internal gear of convex-concave is arranged on the end face inner edge of this top cover 2 as can be known from Figure, each tooth right central angle be 20 ° or 30 °, what Fig. 3 drew is 30 °; Fig. 4 is the plan view of cylindrical shell 3 end faces, as can be known from Figure, the alternate outer tooth ring of radially convex-concave that cooperates with above-mentioned internal gear is arranged on the outer rim of the end face of cylindrical shell 3, axially mesh when above-mentioned internal gear and outer tooth ring work, top cover 2 is fastened on the cylindrical shell 3, close lid or when uncapping, only need rotating cap to get final product for 20 ° or 30 °, close when covering, the major part of the weight of top cover 2 is by the bearing ring surface bearing of the outer rim of cylindrical shell 3, all the other weight are by after the compressive charge formula rubber seal, still by cylindrical shell 3 supportings, as shown in Figure 2.
Also available clip device 4 fastening top cover and the cylindrical shells of sealing configuration of the present invention, as shown in Figure 5.
Claims (4)
1, a kind of gas-filled type rubber seal that is applicable to industrial pressure vessels and daily pressure cooker, one guide-localization ring is arranged on its outer rim, two sealing lip limits are up and down arranged on the inner edge, it is characterized by the hollow ring of a complete closure of two sealing lip limits formation up and down, have two entering the hole or having an aperture or a small gap that supplies air inlet to use at least on the sealing lip limit at least at a distance of nearer little support posts formation.
2, a kind of sealing configuration of the pressurized container of forming by top cover, cylindrical shell, seal ring etc., the seal ring that it is characterized by wherein is the described gas-filled type rubber seal of claim 1, have on the sealing surface between top cover and the cylindrical shell and the shape of sealing circle, the groove that size matches, top cover is by the supporting of the outer rim of body end surface, have between the inner edge of top cover and cylindrical shell sealing surface allow pressurized gas by and make this gas enter the gap of gas-filled type rubber seal.
3, the sealing configuration of pressurized container as claimed in claim 2, it is characterized by on the end face inner edge of top cover the radially alternate internal gear of convex-concave is arranged, the alternate outer tooth ring of radially convex-concave that cooperates with above-mentioned internal gear is arranged on the end face outer rim of cylindrical shell, and the axial engagement of above-mentioned internal gear and outer tooth ring is fastened on top cover on the cylindrical shell.
4, the sealing configuration of pressurized container as claimed in claim 2 is characterized by with fastening top cover of clip device and cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106681 CN1025131C (en) | 1991-04-26 | 1991-04-26 | Gas-filled rubber sealing ring and its sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106681 CN1025131C (en) | 1991-04-26 | 1991-04-26 | Gas-filled rubber sealing ring and its sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1066107A CN1066107A (en) | 1992-11-11 |
| CN1025131C true CN1025131C (en) | 1994-06-22 |
Family
ID=4908067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91106681 Expired - Fee Related CN1025131C (en) | 1991-04-26 | 1991-04-26 | Gas-filled rubber sealing ring and its sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1025131C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439013B (en) * | 2016-08-24 | 2018-05-04 | 苏州先创流体控制技术有限公司 | A kind of ring pipe sealing ring and its processing method for ultralow temperature dynamic sealing |
| CN108571650A (en) * | 2018-04-24 | 2018-09-25 | 安徽巨力能源有限公司 | A kind of safe loading system of liquefied gas station |
| CN108443511A (en) * | 2018-05-17 | 2018-08-24 | 苏州宝骅密封科技股份有限公司 | A kind of adjustable axial sealer of sealed pressure |
| CN108426036A (en) * | 2018-05-17 | 2018-08-21 | 苏州宝骅密封科技股份有限公司 | A kind of adjustable apex combustion seal of sealed pressure |
| CN111594741B (en) * | 2020-04-30 | 2022-03-25 | 于帅博 | Automobile oil pump shell |
| CN114810270B (en) * | 2022-04-07 | 2023-08-01 | 重庆乐瑞斯科技有限公司 | Valve mechanism with self-adaptive lift adjustment function |
-
1991
- 1991-04-26 CN CN 91106681 patent/CN1025131C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1066107A (en) | 1992-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |