CN109798360A - A kind of large-scale low-temperature sealing element and its manufacturing method - Google Patents
A kind of large-scale low-temperature sealing element and its manufacturing method Download PDFInfo
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- CN109798360A CN109798360A CN201910014876.4A CN201910014876A CN109798360A CN 109798360 A CN109798360 A CN 109798360A CN 201910014876 A CN201910014876 A CN 201910014876A CN 109798360 A CN109798360 A CN 109798360A
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- sealing
- seal body
- blanking cover
- sealing element
- seal
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Abstract
The present invention relates to a kind of large-scale low-temperature sealing element and its manufacturing methods, the large-scale low-temperature sealing element includes seal body, seal blanking cover and with spring, it is characterized in that, sealing blanking cover is plugged in the not closed port of seal body, for connecting closed Sealing ontology, band spring is located in seal body, for generating seal pressure.The manufacturing method of the large-scale low-temperature new type sealing element first selectes seal body, stretches and is packed into band spring, with the port of sealing blanking cover closed Sealing ontology.The present invention compared to the prior art, can reduce the requirement to large-scale simultaneous manufacturing equipment, good airproof performance can meet the high equipment of sealing requirements with parts processing, later period combination；Material using polytetrafluoroethylene material can low temperature resistant, anticorrosion, meet the requirement of low temperature seal environment and large-scale geometry.
Description
Technical field
The present invention relates to a kind of large-scale low-temperature sealing element and its manufacturing methods, belong to technical field of mechanical.
Background technique
Blank is still belonged in Chinese large-sized low temperature seal part manufacturing field at present, large-scale low-temperature sealing element is processed
Ability is limited, it is main or rely on external import, especially ultra-large type low temperature seal part be even more will dependent on external research and development with
Production.
On material, it is able to satisfy there are two types of low temperature seal environment, one is low-temperature metal, another kind is polytetrafluoroethylene (PTFE)
Material, both materials can be used for a long time under -186 DEG C of environment of low temperature.But it is shaped by lathe Vehicle Processing, diameter
Range is smaller, and large scale equipment sealing demand cannot be achieved.Low-temperature metal is also unable to reach large-scale geometry.Parts processing, after
Phase combination, equipment demanding for air-proof condition, and tend not to reach sealing requirements.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of large-scale low-temperature sealing element and its manufacturing methods.
To achieve the above object, the present invention is achieved through the following technical solutions:
A kind of large-scale low-temperature sealing element, including seal body seal blanking cover and with spring, which is characterized in that sealing blanking cover grafting
In the not closed port of seal body, for being tightly connected seal body, band spring is located in seal body, for generating
Seal pressure.
As a preferred option, at least one ditch is opened up on the contact surface of above-mentioned sealing blanking cover and seal body inner wall
Slot realizes the sealing between sealing blanking cover and seal body to fill sealing material.
As a preferred option, above-mentioned seal body is polytetrafluoroethyltubing tubing, is hollow structure, above-mentioned sealing
Blanking cover is polytetrafluoroethylsteel steel bar.
As a preferred option, the seal body is to be divided into two parts, including upper FE Tiler and lower FE Tiler, corresponding
It is in T shape to seal blanking cover.The vertical end of T-shaped sealing blanking cover is plugged in the both ends of FE Tiler and lower FE Tiler blow-by respectively,
Upper FE Tiler and lower FE Tiler, which correspond to, is fastened into a domain, and the crossbeam end of two neighboring sealing blanking cover is fastened by bolts, and generation connects
With joint efforts, domain sealing is formed, to reach end face seal ability.
As a preferred option, the hollow tubular product that the seal body is integrated, the sealing blanking cover are divided equally simultaneously
To the both ends inserted with two neighboring seal body.
Wherein, the end portion of above-mentioned sealing blanking cover insertion seal body is contacted with spring.
A kind of structure type of above-mentioned large-scale low-temperature sealing element includes: that shoe, rectangle, circle, Plane Curved are linear etc. more
Kind of seal form, to reach comprehensive ultralow temperature sealing, in, air-liquid environment seals under low pressure, corrosive gas and liquid environment
Sealing.
A kind of manufacturing method of above-mentioned large-scale low-temperature sealing element, comprising the following steps:
(1), seal body is first selected, determines the diameter of polytetrafluoroethyltubing tubing；
(2), severing after the length according to practical sealed environment trench length to determine polyfluortetraethylene pipe；
(3), it is stretched in the polyfluortetraethylene pipe by the sampling severing of practical sealed groove length and is packed into band spring；
(4), the groove for sealing blanking cover is wrapped over raw material band, then sealing blanking cover is inserted into or to insertion polyfluortetraethylene pipe
It is interior；If you need to fastening, just two neighboring seal plug is covered tightly with bolt and is consolidated；Thus implementable assembly is installed and used.
The present invention compared to the prior art, can be reduced and be set to large-scale simultaneous manufacturing with parts processing, later period combination
Standby requirement, good airproof performance can meet the high equipment of sealing requirements.Material using polytetrafluoroethylene material can it is low temperature resistant,
Anticorrosion meets the requirement of low temperature seal environment and large-scale geometry.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
As these attached drawings obtain other attached drawings.
The structural schematic diagram of Fig. 1 an embodiment of the present invention tile-type sealing element and the partial enlarged view of I part
The structural schematic diagram of Fig. 2 an embodiment of the present invention rounded seal, the sectional view of II part and A-A cross-sectional view
The structural schematic diagram of the square or round sealing element of Fig. 3 an embodiment of the present invention, the sectional view of III part and B-B cross-sectional view
The structural schematic diagram of Fig. 4 an embodiment of the present invention plane curve sealing element and IV, V part seal showing for blanking cover grafting
It is intended to
Wherein, 1. seal body, 2. sealing blanking covers, 3. band springs, 4. grooves, FE Tiler on 5., 6. lower FE Tilers.
Specific embodiment
Below in conjunction with attached drawing, the specific embodiment that the present invention will be described in detail:
In order to solve the above technical problems, the present invention provides a kind of large-scale low-temperature sealing element and its manufacturing methods.
To achieve the above object, a kind of large-scale low-temperature sealing element is provided in one of embodiment of the invention, is wrapped
Seal body 1 is included, seals blanking cover 2 and with spring 3, which is characterized in that sealing blanking cover 2 is plugged in not closing for seal body 1
Port, for being tightly connected seal body, band spring 3 is located in seal body, for generating seal pressure.
Using above-mentioned preferred embodiment, band spring is exactly tape spring, generates seal pressure with seal body, realizes sealing energy
Power.
In other embodiments of the invention, on the basis of foregoing teachings, above-mentioned sealing blanking cover 2 and sealing element
At least one groove 4 is opened up on the contact surface of 1 inner wall of ontology, to fill sealing material.The groove number of the present embodiment is 6
Item.
Using above-mentioned preferred embodiment, realizes the sealing between sealing blanking cover and seal body, further increase sealing element
Sealing requirements.
In other embodiments of the invention, on the basis of foregoing teachings, above-mentioned seal body 1 is poly- four
Vinyl fluoride tubing is hollow structure, and above-mentioned sealing blanking cover 2 is polytetrafluoroethylsteel steel bar.
Using above-mentioned preferred embodiment, with polytetrafluoroethylene material can low temperature resistant, anticorrosion, meet low temperature seal environment and
The requirement of large-scale geometry.
In other embodiments of the invention, on the basis of foregoing teachings, the seal body 1 is can be with
It is divided into two parts, including upper FE Tiler 5 and lower FE Tiler 6, corresponding sealing blanking cover 2 is in T shape.The length of T-shaped sealing blanking cover 2
Vertical end is plugged in the both ends of FE Tiler 5 and lower 6 blow-by of FE Tiler respectively, upper FE Tiler 5 and lower FE Tiler 6 it is corresponding be fastened into one it is whole
The crossbeam end of ring, two neighboring sealing blanking cover 2 is fastened by bolts, and generates engaging force, forms domain sealing, close to reach end face
Envelope ability.
Using above-mentioned preferred embodiment, the requirement to large-scale simultaneous manufacturing equipment, parts processing, later period group are reduced
It closes, seal blanking cover and with two resealing of spring, meets higher sealing requirements.
In other embodiments of the invention, on the basis of foregoing teachings, the seal body 1 is integrated
Hollow tubular product, the sealing blanking cover 2 divide equally and to insert with the both ends of two neighboring seal body, realize that seal body is whole
Body sealing.
Wherein, the end portion of above-mentioned sealing blanking cover 2 insertion seal body is contacted with spring 3.
Using above-mentioned preferred embodiment, seals 2 pairs of band springs 3 of blanking cover and play positioning action.
A kind of structure type of above-mentioned large-scale low-temperature sealing element includes: that shoe, rectangle, circle, Plane Curved are linear etc. more
Kind seal form.
A kind of manufacturing method of above-mentioned large-scale low-temperature sealing element, comprising the following steps:
(1), seal body is first selected, determines the diameter of polytetrafluoroethyltubing tubing；
(2), severing after the length according to practical sealed environment trench length to determine polyfluortetraethylene pipe；
(3), it is stretched in the polyfluortetraethylene pipe by the sampling severing of practical sealed groove length and is packed into band spring；
(4), the groove for sealing blanking cover is wrapped over raw material band, then sealing blanking cover is inserted into or to insertion polyfluortetraethylene pipe
It is interior；If you need to fastening, just two neighboring seal plug is covered tightly with bolt and is consolidated；Thus implementable assembly is installed and used.
The present invention is only disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to use equivalent replacement
Or equivalent transformation mode technical solution obtained, it is within the scope of the present invention.
Claims (9)
1. a kind of large-scale low-temperature sealing element, including seal body seal blanking cover and with spring, which is characterized in that sealing blanking cover is inserted
It is connected to seal body not closed port, for being tightly connected seal body, band spring is located in seal body, for generating
Seal pressure.
2. a kind of large-scale low-temperature sealing element as described in claim 1, which is characterized in that the sealing blanking cover and sealing element sheet
Open up at least one groove on the contact surface of internal wall, filling sealing material, realize sealing blanking cover and seal body it
Between sealing.
3. a kind of large-scale low-temperature sealing element as described in claim 1, which is characterized in that the seal body is polytetrafluoro
Ethylene tubing is hollow structure.
4. a kind of large-scale low-temperature sealing element as described in claim 1, which is characterized in that the sealing blanking cover is polytetrafluoroethyl-ne
Alkene bar.
5. a kind of large-scale low-temperature sealing element according to any one of claims 1-4, which is characterized in that the seal body
To be divided into two parts, upper FE Tiler and lower FE Tiler, the sealing blanking cover is in T shape.
6. a kind of large-scale low-temperature sealing element as claimed in claim 5, which is characterized in that upper FE Tiler and lower FE Tiler correspondence are fastened into
One domain, two adjacent seals blanking covers are fastened by bolts.
7. a kind of large-scale low-temperature sealing element according to any one of claims 1-4, which is characterized in that the sealing blanking cover is flat
Divide and to the both ends inserted with two neighboring seal body.
8. a kind of large-scale low-temperature sealing element as claimed in claim 7, sealing blanking cover is inserted into the end of seal body and with spring
Contact.
9. a kind of described in any item manufacturing methods of large-scale low-temperature sealing element of claim 1-8, comprising the following steps:
(1), seal body is first selected, determines the diameter of polytetrafluoroethyltubing tubing；
(2), severing after the length according to practical sealed environment trench length to determine polyfluortetraethylene pipe；
(3), it is stretched in the polyfluortetraethylene pipe by the sampling severing of practical sealed groove length and is packed into band spring；
(4), the groove for sealing blanking cover is wrapped over raw material band, then sealing blanking cover is inserted into or to insertion polyfluortetraethylene pipe
It is interior；If you need to fastening, just fastened with two adjacent seals blanking covers of bolt；Thus implementable assembly is installed and used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014876.4A CN109798360A (en) | 2019-01-08 | 2019-01-08 | A kind of large-scale low-temperature sealing element and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014876.4A CN109798360A (en) | 2019-01-08 | 2019-01-08 | A kind of large-scale low-temperature sealing element and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798360A true CN109798360A (en) | 2019-05-24 |
Family
ID=66556877
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910014876.4A Pending CN109798360A (en) | 2019-01-08 | 2019-01-08 | A kind of large-scale low-temperature sealing element and its manufacturing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0491258A1 (en) * | 1990-12-17 | 1992-06-24 | Peter J. Balsells | Spring-loaded ring seal assembly |
| US5280927A (en) * | 1990-02-23 | 1994-01-25 | Rxs Schrumpftechnik-Garnituren Gmbh | Divided sealing ring for seal members in cable fittings |
| CN103244676A (en) * | 2013-05-23 | 2013-08-14 | 张家港市三利密封合金材料有限公司 | Split-type sealing ring |
| CN203500471U (en) * | 2013-09-26 | 2014-03-26 | 铁岭助驰橡胶密封制品有限公司 | Sealing ring with O-shaped opening |
| CN105402526A (en) * | 2014-09-08 | 2016-03-16 | 普特尤斯有限公司 | Hose Connection Device |
| CN105473912A (en) * | 2013-11-12 | 2016-04-06 | 伊格尔工业股份有限公司 | Divided mechanical seal |
| CN106439013A (en) * | 2016-08-24 | 2017-02-22 | 苏州先创流体控制技术有限公司 | Annular pipe sealing ring used for ultralow-temperature dynamic sealing and machining method thereof |
-
2019
- 2019-01-08 CN CN201910014876.4A patent/CN109798360A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5280927A (en) * | 1990-02-23 | 1994-01-25 | Rxs Schrumpftechnik-Garnituren Gmbh | Divided sealing ring for seal members in cable fittings |
| EP0491258A1 (en) * | 1990-12-17 | 1992-06-24 | Peter J. Balsells | Spring-loaded ring seal assembly |
| CN103244676A (en) * | 2013-05-23 | 2013-08-14 | 张家港市三利密封合金材料有限公司 | Split-type sealing ring |
| CN203500471U (en) * | 2013-09-26 | 2014-03-26 | 铁岭助驰橡胶密封制品有限公司 | Sealing ring with O-shaped opening |
| CN105473912A (en) * | 2013-11-12 | 2016-04-06 | 伊格尔工业股份有限公司 | Divided mechanical seal |
| CN105402526A (en) * | 2014-09-08 | 2016-03-16 | 普特尤斯有限公司 | Hose Connection Device |
| CN106439013A (en) * | 2016-08-24 | 2017-02-22 | 苏州先创流体控制技术有限公司 | Annular pipe sealing ring used for ultralow-temperature dynamic sealing and machining method thereof |
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