CN108799652A - Pipe fitting and its application method - Google Patents
Pipe fitting and its application method Download PDFInfo
- Publication number
- CN108799652A CN108799652A CN201810526120.3A CN201810526120A CN108799652A CN 108799652 A CN108799652 A CN 108799652A CN 201810526120 A CN201810526120 A CN 201810526120A CN 108799652 A CN108799652 A CN 108799652A
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- China
- Prior art keywords
- substance
- expansion chamber
- chamber
- pipe fitting
- expansion
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L13/16—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling the pipe joint consisting of overlapping extremities having mutually co-operating collars
- F16L13/166—Deformed by radially expanding an inner part
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of pipe fittings,Including being set to the clamping section in stage casing and the holding section at both ends being arranged,The outer tube wall interference clamping for two segment pipes that the inner hole wall of the clamping section coordinates with it,Two holding sections are respectively acting on two pipeline outer walls to be docked,The holding section includes expansion chamber and compression chamber successively from the inside to the outside,The side of the expansion chamber relative duct size is set as elastic wall,And communicating passage is provided between expansion chamber and compression chamber,It is first check valve of the compression chamber to expansion chamber one-way conduction that conducting direction is provided in communicating passage,The first substance is provided in expansion chamber,The second substance is provided in compression chamber,The third substance of the variable expansion so that expansion chamber expansion is hardened will be generated with the first substance reaction after the second substance enters expansion chamber,The connection of the pipe fitting and pipeline is simple,Quickly,Good airproof performance.
Description
Technical field
The present invention relates to pipe joint fields, more specifically, it relates to a kind of pipe fitting.
Background technology
Plastic conduit is widely used, is usually used as water pipe, such as rain pipe, air-conditioning condensate pipe, when in installation air-conditioning
Or when other component, if it is not in place installation site occur, need to carry out position adjustment, when the position adjustment for component occur
When, the length of pipeline certainly will change, and need to be lengthened or shortened, and be pair for being usually required for carrying out pipeline when there is such case
Connect operation.And when site operation, general method is divided into two kinds, a kind of to use violence construction method, directly by way of squeezing firmly,
Both ends pipe fitting is patched together, is then coated with glue for sealing and fixing；It is another then by the way of pipe fitting, pipe connects
The both ends of head are usually arranged larger, and internal diameter and outer diameter tube to be connect are always or smaller, pass through the both ends difference of pipe fitting head
It is connect with the both ends pipeline docked is needed, then stamps glue, realize connection.
However no matter which kind of above-mentioned mode is used, due to being simply to use interference connection, additional glue fixing seal
Mode, it is easy to due to expanding with heat and contract with cold so that occur leaking or docking loosely at tube interface.
Invention content
The first object of the present invention be to provide one kind firmly install, the good pipe fitting of leakproofness.
To realize above-mentioned first purpose, realized by following technological means：A kind of pipe fitting, including it is set to the card in stage casing
It connects section and the holding section at both ends is set, the outer tube wall interference card for two segment pipes that the inner hole wall for being clamped section coordinates with it
It connects, two holding sections are respectively acting on two pipeline outer walls to be docked, and the holding section includes successively from the inside to the outside
The side of expansion chamber and compression chamber, the expansion chamber relative duct size is set as elastic wall, and is arranged between expansion chamber and compression chamber
There is communicating passage, it is first check valve of the compression chamber to expansion chamber one-way conduction that conducting direction is provided in communicating passage,
It is provided with the first substance in expansion chamber, the second substance is provided in compression chamber, it will be with after the second substance enters expansion chamber
First substance reaction generates the third substance of the variable expansion so that expansion chamber expansion is hardened.
Advanced optimize for：The compression chamber for holding section tightly includes an elastically deformable and the pressing wall of outwardly convex,
It is extraneous the second check valve to compression chamber one-way conduction that conducting direction is provided on the pressing wall.
Advanced optimize for：The elastic wall is made of rubber or silica gel.
Advanced optimize for：First substance is quick lime, and the second substance is water, and third substance is calcium hydroxide.
The second object of the present invention is to provide a kind of application method that can solve above-mentioned technical problem pipe fitting.
To realize above-mentioned second purpose, realized by following technological means：A kind of pipeline interconnection method, including above-mentioned pipe connect
Head includes the following steps：
1) both ends pipeline to be docked is inserted into clamping section to the both ends of pipe fitting respectively, carried out tentatively fixed；
2) water is filled in compression chamber by the second check valve；
3) compression pressing wall so that water enters expansion chamber and reacts to form calcium hydroxide with quick lime；
4) calcium hydroxide generated becomes larger compared to original quick lime volume, and is hardened so that elastic wall holds pipeline tightly
The close pressing held tightly between section and pipeline is formed to seal.
The advantages of the present invention over the prior art are that：Can be substituted the bad for the good in compression chamber water in advance, first pass through clamping section
It will realize and be tentatively set to after the pipeline connected is mating using interference, then direct the pressing by pressure pipe joint both ends by hand
Press wall so that water enters expansion chamber and reacts to form calcium hydroxide with quick lime, and be hardened variable expansion so that elastic wall is held tightly
Pipeline forms the close pressing held tightly between section and pipeline and seals, compared with the prior art by the way of glue bonding, this hair
Scheme pipe fitting in bright and more consolidation, the leakproofness of the cooperation between pipeline are stronger, and are not readily susceptible to external environment influence
And there is the problem of leakproofness leakage.
Description of the drawings
Fig. 1 is the pipe fitting outside schematic diagram of the present embodiment；
Fig. 2 is the A-A schematic diagrames of Fig. 1；
Fig. 3 is pipe fitting profile；
Fig. 4 is the portions the B enlarged drawing of Fig. 3.
In figure, 1, pipeline；2, pipe fitting；21, it is clamped section；22, section is held tightly；221, wall 222, compression chamber are pressed；223,
Two check valves；224, elastic wall；225, expansion chamber 226, the first check valve；227, communicating passage.
Specific implementation mode
It is described in further detail below in conjunction with the accompanying drawings and by specific embodiment to invention, following embodiment is descriptive
, it is not restrictive protection scope of the present invention.
Embodiment
A kind of pipe fitting 2, with reference to shown in figure 1-4, the connection being suitable between plastic tube, pipe fitting 2 includes that internal diameter is small
It is slightly larger than the holding section 22 for waiting for 1 outer diameter of connecting pipe in the clamping section 21 and internal diameter for waiting for 1 outer diameter of connecting pipe, in pipe fitting 2
Both ends be inserted into respectively after pipeline 1, be inserted into clamping section 21 in realize with clamping section 21 interference fit, Primary Location,
In addition, for convenience grafting, clamping section 21 internal diameter can also be arranged to it is consistent with 1 outer diameter of pipeline.At the beginning of realizing both ends pipeline 1
After step positioning docking, respective pipeline 1 is held tightly by the effect of holding section 22 and is sealed, realizes the sealing docking effect of high intensity.
The structure for holding section 22 tightly refers to attached drawing 3 and 4, is disposed with expansion chamber 225 and compression chamber 222 from inside to outside,
In quick lime is filled in the expansion chamber 225, and the medial surface of expansion chamber 225 is elastic wall 224, which can be by
Rubber is made, and by encapsulated technique, realizes the interior packet of quick lime and elastic wall 224 is attached on the inner wall for holding section 22 tightly and formed
Expansion chamber 225.Compression chamber 222 has a pressing wall 221 to arch upward outward, and it is outer to be provided with conducting direction on pressing wall 221
Second check valve 223 of the boundary to 222 one-way conduction of compression chamber.It is wherein communicated with to be connected between compression chamber 222 and expansion chamber 225 and lead to
Road 227, and it is compression chamber 222 to the first unidirectional of 225 one-way conduction of expansion chamber to be provided in communicating passage 227 conducting direction
Valve 226.
When using this pipe fitting 2, first both ends pipeline 1 to be docked is inserted into the both ends of pipe fitting 2 respectively
It is clamped section 21, is carried out tentatively fixed；Then water is filled in compression chamber 222 by the second check valve 223；Then compression pressing wall
221 so that water enters expansion chamber 225 and reacts to form calcium hydroxide with quick lime；The calcium hydroxide ultimately produced is compared
Become larger in original quick lime volume, and be hardened so that elastic wall 224 is held pipeline 1 tightly and formed between holding section 22 and pipeline 1
Close pressing sealing.It is stronger to reach the cooperation between pipe fitting 2 and pipeline 1 more consolidation, leakproofness, and be not readily susceptible to
External environment influences and the problem of leakproofness leakage occurs.
In addition quick lime, water can also be replaced by the scheme of hydro-expansive rubber and water, as long as two substances of satisfaction
It meets the requirement of variable expansion of being hardened, this programme can be achieved in theory.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of pipe fitting, which is characterized in that described including being set to the clamping section in stage casing and the holding section at both ends being arranged
The outer tube wall interference clamping for two segment pipes that the inner hole wall of clamping section coordinates with it, two holding sections are respectively acting on two
On pipeline outer wall to be docked, the holding section includes expansion chamber and compression chamber successively from the inside to the outside, and the expansion chamber is opposite to manage
The side in road is set as elastic wall, and communicating passage is provided between expansion chamber and compression chamber, is provided with and leads in communicating passage
Logical direction is first check valve of the compression chamber to expansion chamber one-way conduction, the first substance is provided in expansion chamber, in compression chamber
It is inside provided with the second substance, will be generated with the first substance reaction after the second substance enters expansion chamber so that expansion chamber expansion becomes
The third substance of cirrhosis expansion.
2. pipe fitting according to claim 1, which is characterized in that the compression chamber for holding section tightly includes an elastically deformable
And the pressing wall of outwardly convex, it is extraneous the second list to compression chamber one-way conduction that conducting direction is provided on the pressing wall
To valve.
3. pipe fitting according to claim 1, which is characterized in that the elastic wall is made of rubber or silica gel.
4. pipe fitting according to claim 1, which is characterized in that first substance is quick lime, and the second substance is water,
Third substance is calcium hydroxide.
5. a kind of pipeline interconnection method, including pipe fitting as claimed in claim 4, which is characterized in that include the following steps：
1) both ends pipeline to be docked is inserted into clamping section to the both ends of pipe fitting respectively, carried out tentatively fixed；
2) water is filled in compression chamber by the second check valve；
3) compression pressing wall so that water enters expansion chamber and reacts to form calcium hydroxide with quick lime；
4) calcium hydroxide generated becomes larger compared to original quick lime volume, and is hardened so that elastic wall is held pipeline tightly and formed
The close pressing held tightly between section and pipeline seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526120.3A CN108799652B (en) | 2018-05-28 | 2018-05-28 | Pipe joint and method of using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526120.3A CN108799652B (en) | 2018-05-28 | 2018-05-28 | Pipe joint and method of using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108799652A true CN108799652A (en) | 2018-11-13 |
| CN108799652B CN108799652B (en) | 2020-03-31 |
Family
ID=64090688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810526120.3A Active CN108799652B (en) | 2018-05-28 | 2018-05-28 | Pipe joint and method of using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799652B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB288408A (en) * | 1927-02-18 | 1928-04-12 | Benjamin Talbot | Improvements in or relating to the lining or coating of pipes and other tubular bodies |
| DE3935096A1 (en) * | 1988-12-23 | 1990-06-28 | Welch Allyn Inc | ELASTOMER EPTFE BIOPSY CHANNEL |
| CN2708046Y (en) * | 2004-03-02 | 2005-07-06 | 廖仲力 | Insertion pipe fitting for thin wall stainless steel tube |
| CN201568011U (en) * | 2009-12-16 | 2010-09-01 | 中国石油集团渤海钻探工程有限公司 | Chemical medium filling solidification type external packer |
| CN103590782A (en) * | 2013-11-28 | 2014-02-19 | 华北科技学院 | Under-pressure grouting hole sealing device and method for gas extraction drill air bag blocking |
| CN107091391A (en) * | 2017-05-26 | 2017-08-25 | 中国矿业大学 | A kind of fracture automatic plugging device of freezing pipe joint |
-
2018
- 2018-05-28 CN CN201810526120.3A patent/CN108799652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB288408A (en) * | 1927-02-18 | 1928-04-12 | Benjamin Talbot | Improvements in or relating to the lining or coating of pipes and other tubular bodies |
| DE3935096A1 (en) * | 1988-12-23 | 1990-06-28 | Welch Allyn Inc | ELASTOMER EPTFE BIOPSY CHANNEL |
| CN2708046Y (en) * | 2004-03-02 | 2005-07-06 | 廖仲力 | Insertion pipe fitting for thin wall stainless steel tube |
| CN201568011U (en) * | 2009-12-16 | 2010-09-01 | 中国石油集团渤海钻探工程有限公司 | Chemical medium filling solidification type external packer |
| CN103590782A (en) * | 2013-11-28 | 2014-02-19 | 华北科技学院 | Under-pressure grouting hole sealing device and method for gas extraction drill air bag blocking |
| CN107091391A (en) * | 2017-05-26 | 2017-08-25 | 中国矿业大学 | A kind of fracture automatic plugging device of freezing pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108799652B (en) | 2020-03-31 |
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