CN101699104A - Thread sealing method - Google Patents
Thread sealing method Download PDFInfo
- Publication number
- CN101699104A CN101699104A CN200910212524A CN200910212524A CN101699104A CN 101699104 A CN101699104 A CN 101699104A CN 200910212524 A CN200910212524 A CN 200910212524A CN 200910212524 A CN200910212524 A CN 200910212524A CN 101699104 A CN101699104 A CN 101699104A
- Authority
- CN
- China
- Prior art keywords
- thread
- sealing ring
- sealing
- polytetrafluoroethylene
- annular groove
- Prior art date
- 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.)
- Pending
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- Gasket Seals (AREA)
Abstract
The invention discloses a thread sealing method which comprises the following steps: processing an annular groove (3) at a thread part (2) of a metal screw head (1); embedding a polytetrafluoroethylene sealing ring (4) in the annular groove (3), and leading the polytetrafluoroethylene sealing ring (4) to be closely and firmly combined with the thread part (2); when in screwing installation, along with the mutual extrusion of a male thread and a female thread, the polytetrafluoroethylene sealing ring (4) deforms and further fills a gap part between the threads. The technology adopted by the invention has high sealing reliability and low cost; the polytetrafluoroethylene is taken as a filler, thereby being non-toxic, acid-resistant, temperature-resistant as wide as minus 180 DEG C-250 DEG C, environment-friendly and anti-aging; and the sealing ring is pre-processed on the screw head, when in installation, the direct connection is carried out without the need of adopting other sealing measures, thereby being fast, convenient and very conductive to the assembly operation of a production line.
Description
Technical field
The present invention relates to a kind of encapsulating method, especially relate to the encapsulating method that a kind of male and female screw thread screws.
Background technique
At present, adopt thread locking adhesive to be coated on the screw thread more, be used for sealing and fixing metal pipeline and pipe fitting, fill the space between the metal parts screw thread for thread seal, and solidifying the leakage of rear defence stopping leak, to play sealing effect.This thread sealing method not only sealing effect is not good, and needs certain curing time, has influenced assembling speed and working efficiency.In addition, because thread locking adhesive is chemical coating material, in use also can pollute Assembly part and even befouling environment.
Summary of the invention
The technical problem to be solved in the present invention provides the reliable thread sealing method of a kind of sealing effect.
Technical problem to be solved by this invention is achieved by the following technical solution: it may further comprise the steps: 1) process annular groove one at the helical thread portion of metal spiral shell head; 2) be embedded in teflin ring at annular groove, make teflin ring and helical thread portion firmly tight; 3) screw when installing, along with the mutual extrusion of male and female screw thread, the thread pitch part is filled in the teflin ring distortion.
The invention has the beneficial effects as follows:
1, the filled sealing means of screw thread, the sealing reliability height, and with low cost;
2, make filler with teflon, nontoxic, antiacid, heatproof can reach-180 ℃-250 ℃, environmental protection, anti-aging;
3, seal ring is processed in advance on the spiral shell head, directly connects during installation, need not take other seal approach, and is quick and convenient, is very beneficial for the production line assembly manipulation.
Description of drawings
The present invention is described further below in conjunction with accompanying drawing:
Figure 1 shows that the thread seal structural representation that the inventive method is made
Figure 2 shows that screw thread of the present invention screws the schematic representation that thread pitch is filled in back seal ring distortion
Embodiment
By accompanying drawing as can be known, the step of this thread sealing method comprises 1) process one annular groove 3 at the helical thread portion 2 of metal spiral shell head 1; 2) be embedded in teflin ring 4 at annular groove 3, make teflin ring 4 and helical thread portion 2 firmly tight; 3) screw when installing, along with the mutual extrusion of male and female screw thread, the thread pitch part is filled in teflin ring 4 distortion, thereby can reach the purpose of sealing.The seal ring of the inventive method can be processed in advance on the spiral shell head, when sealing is installed so directly screw thread screw.
Claims (1)
1. thread sealing method is characterized in that may further comprise the steps:
1) processes annular groove one at the helical thread portion of metal spiral shell head;
2) be embedded in teflin ring at annular groove, make teflin ring and helical thread portion firmly tight;
3) screw when installing, along with the mutual extrusion of male and female screw thread, the thread pitch part is filled in the teflin ring distortion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212524A CN101699104A (en) | 2009-11-12 | 2009-11-12 | Thread sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910212524A CN101699104A (en) | 2009-11-12 | 2009-11-12 | Thread sealing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101699104A true CN101699104A (en) | 2010-04-28 |
Family
ID=42147566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910212524A Pending CN101699104A (en) | 2009-11-12 | 2009-11-12 | Thread sealing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101699104A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410815A (en) * | 2013-08-08 | 2013-11-27 | 泉州市一鸣交通电器有限公司 | Combined installation sleeve for storage battery state indicator |
| CN106669871A (en) * | 2016-12-28 | 2017-05-17 | 苏州众楚科技服务有限公司 | Conical flask for experiment |
| CN112879563A (en) * | 2021-01-13 | 2021-06-01 | 西安近代化学研究所 | Sealing device for compressing sealing ring to improve sealing performance by utilizing expansion pressure of liquid body |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060006600A1 (en) * | 2002-08-29 | 2006-01-12 | Vallourec Mannesmann Oil & Gas France | Tubular threaded joint which is impervious to the external environment |
| CN201162895Y (en) * | 2007-12-29 | 2008-12-10 | 浙江盾安阀门有限公司 | Screw connection sealing structure and its fixture |
-
2009
- 2009-11-12 CN CN200910212524A patent/CN101699104A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060006600A1 (en) * | 2002-08-29 | 2006-01-12 | Vallourec Mannesmann Oil & Gas France | Tubular threaded joint which is impervious to the external environment |
| CN201162895Y (en) * | 2007-12-29 | 2008-12-10 | 浙江盾安阀门有限公司 | Screw connection sealing structure and its fixture |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410815A (en) * | 2013-08-08 | 2013-11-27 | 泉州市一鸣交通电器有限公司 | Combined installation sleeve for storage battery state indicator |
| CN103410815B (en) * | 2013-08-08 | 2016-04-20 | 泉州市一鸣交通电器有限公司 | A kind of storage battery state indicator composite type installation sleeve |
| CN106669871A (en) * | 2016-12-28 | 2017-05-17 | 苏州众楚科技服务有限公司 | Conical flask for experiment |
| CN106669871B (en) * | 2016-12-28 | 2019-04-23 | 苏州众楚科技服务有限公司 | Conical flask is used in a kind of experiment |
| CN112879563A (en) * | 2021-01-13 | 2021-06-01 | 西安近代化学研究所 | Sealing device for compressing sealing ring to improve sealing performance by utilizing expansion pressure of liquid body |
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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 | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100428 |