CN1693744A - Metal pipe tight connecting device - Google Patents
Metal pipe tight connecting device Download PDFInfo
- Publication number
- CN1693744A CN1693744A CNA2005100689890A CN200510068989A CN1693744A CN 1693744 A CN1693744 A CN 1693744A CN A2005100689890 A CNA2005100689890 A CN A2005100689890A CN 200510068989 A CN200510068989 A CN 200510068989A CN 1693744 A CN1693744 A CN 1693744A
- Authority
- CN
- China
- Prior art keywords
- metal
- metal tube
- connecting device
- contact segment
- tight connecting
- 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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Classifications
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- 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
- F16L13/141—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 by crimping or rolling from the outside
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
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- 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
- F16L2013/145—Tools specially adapted therefor
Abstract
The present invention relates to a metal pipe tight connecting device for connecting a couple of metal pipes which can deform the stainless steel pipe or copper tube plastically. The connected force of the previous structure is not good through the metal compression ring (40'), also the connected part of the two tube (10,20) impacted by exterior recovers to the original position after elongation, thus the previous structure has the disadvantage that the plastic airproof ring (30') can not implement the airproof function perfectly. According to this metal pipe tight connecting device, setting the plastic airproof ring (30) with rectangle of the first contacting part (31) and the second contacting part (32), and forming inclined plane (41) structure on the outskirt of the metal compression ring (40) inner side, which can increase the connected force by the one of a couple metal pipes (10,20), also can improve the leak tightness between two metal pipes (10,20), thus the leak tightness can be maintained when the metal pipes (10,20) elongate by the external force.
Description
Technical field
The invention relates to can close-connected metal pipe tight connecting device the pair of metal pipe of plastic deformations such as Stainless Steel Tube or copper pipe, and further specifying is about possessing for metal press ring that connects metal tube and the rubber seal ring of keeping sealing.
Background technique
Generally, the running water pipe of dwelling house or building, perhaps other FLUID TRANSPORTATION is that cutting screw connects or welding because thin thickness is not easy with metal tubes such as widely used Stainless Steel Tube or copper pipes, the Structural Hardware that welding produces changes and thermal stress produces degradation problem under the corrosion resistance, therefore uses the example of tight connecting means many.
The following formation of the tight connecting device of above-mentioned metal tube.The connection side inside of first sheet metal is provided with rubber seal ring and metal press ring, after the connection side of first metal tube is inserted second metal tube first metal tube is connected side and utilizes compaction tool to compress.This form of the general use of the tight connecting device of metal tube.On this metal pipe tight connecting device, to utilize compaction tool to compress first metal tube and connect side, the metal press ring is pressed first metal tube, makes first metal tube be connected the while rubber seal ring with second metal tube and keeps sealing.
But, shown in Fig. 1 a and Fig. 1 d figure, the tight connecting device of metal tube in the past, the cross section image of keeping the rubber seal ring (30) of sealing between first metal tube (10) and second metal tube (20) constitutes with circle, because connect the cross section image of the metal press ring (40 ') of first metal tube (10) and second metal tube (20) is that rectangle constitutes, not only the connection power of metal press ring (40 ') is bad, and when being subjected to external impact, two metal tubes (10 shown in Fig. 1 c, 20) attachment portion is earlier by after the elongation, shown in Fig. 1 d, return to original position more again, therefore, can not normally keep sealing by rubber seal ring (30 ').
Summary of the invention
The present invention studies invention in order effectively to solve as above-mentioned former problem.The purpose of this invention is to provide a kind of metal pipe tight connecting device, more firmly connect first metal tube and second metal tube, and when being subjected to setting back after latter two metal tube of external impact extends, also can keep sealing effect.
To study the metal pipe tight connecting device of invention in order solving the above problems, to have following characteristics.Connect side inside at first metal tube rubber seal ring and metal press ring are set, connect at first metal tube and to utilize compaction tool first metal tube that pressurizes to connect side after side is inserted second metal tube, rubber seal ring is made root first contact segment rectangular cross-section image the same with second contact segment improve sealing, form the inclined-plane in outside, metal press ring inboard and improve connection power.
Description of drawings
By the reference the description of the drawings, to the following detailed description of the present invention, to above-mentioned purpose of the present invention, feature and advantage can more clearly be understood.
Fig. 1 a is the side cross-sectional view before structure closely connected in the past,
Fig. 1 b is the side cross-sectional view after structure closely connected in the past,
Fig. 1 c is the side cross-sectional view of mechanism's elongation state in the past,
Fig. 1 d is the side cross-sectional view that returns to form of mechanism's elongated portion in the past,
Fig. 2 is the exploded perspective view of one embodiment of the present of invention,
Fig. 3 a is with the side cross-sectional view before embodiment's the tight connection,
Fig. 3 b is with the side cross-sectional view after embodiment's the tight connection,
Fig. 3 c is the side cross-sectional view with embodiment's elongation state,
Fig. 3 d is the side cross-sectional view that the elongated portion with embodiment returns to form,
Fig. 4 is the exploded perspective view in another enforcement of the present invention,
Fig. 5 a is with the side cross-sectional view before embodiment's the tight connection,
Fig. 5 b is with the side cross-sectional view after embodiment's the tight connection,
Fig. 5 c is the side cross-sectional view with embodiment's elongation state,
Fig. 5 d is the side cross-sectional view that the elongated portion with embodiment returns to form.
Embodiment
Below, with reference to the accompanying drawings, illustrate in greater detail according to the embodiment of the invention.
Fig. 2 is the exploded perspective view of one embodiment of the invention, to Fig. 3 d, illustrates the side cross-sectional view with embodiment from Fig. 3 a, and Fig. 4 is the exploded perspective view of another embodiment of the present invention, to Fig. 5 d, illustrates the side cross-sectional view with embodiment from Fig. 5 a.Tight connecting device according to metal tube of the present invention, in the connection side inside of first metal tube (10) rubber seal ring (30) and metal press ring (40) are set, after the connection side of first metal tube (10) is inserted second metal tube (20), the connection side of first metal tube (10), utilize compaction tool to compress and connect two metal tubes (10,20).Above-mentioned rubber seal ring (30) is arranged to have the rectangular cross-section shape formation of first contact segment (31) and second contact segment (32), thereby improve two metal tubes (10,20) sealing between, the inboard outside of metal press ring (40) forms inclined-plane (41), improve the connection power of two metal tubes (10,20).
To Fig. 3 d, diagram one embodiment of the present of invention have following characteristics from Fig. 2.What the metal press ring (40) that the rubber seal ring (30) of the rectangular cross-section image that first contact segment (31) is the same with second contact segment (32) and the inboard outside page (41) form was arranged on first metal tube (10) is connected side inside, utilizes compaction tool to compress after inserting second metal tube (20) on the connection side of first metal tube (10).
To Fig. 5 d, illustrate an alternative embodiment of the invention from Fig. 4, have following characteristics.Metal press ring (50) and first contact segment (31), what the metal press ring (40) that the rubber seal ring (30) of the rectangular cross-section image that second contact segment (32) is the same and the inboard outside page (41) form was arranged on first metal tube (10) is connected side inside, utilizes compaction tool to compress behind insertion second metal tube (20) on the connection side of first metal tube (10).
In the present invention, pressurization number and the pressurization form that first metal tube (10) that inserts second metal tube (20) is connected side not only is confined to can change its number or form in the illustrated present embodiment.Undeclared symbol 11 is support end framves in the pattern.
The present invention as above-mentioned formation, utilize compaction tool first metal tube (10) that pressurizes, metal press ring (40,50) compress the outer surface of second metal tube (20), make the metal tube distortion connect two metal tubes (10,20), even if two metal tubes (10,20) be subjected to external force, prevent moving of second metal tube (20), can keep firmer coupled condition by the metal press ring (40) that forms with inclined-plane (41).
In addition, according to the tight connecting device of metal tube of the present invention, even two metal tubes (10,20) are subjected to strong extending force, shown in Fig. 3 c and Fig. 5 c, second metal tube (20) is under a little situation of stretching out of first metal tube (10), and the rubber seal ring (30) with first contact segment (31) and second contact segment (32) also can ideally be kept sealing, and, after extending force disappears, shown in Fig. 3 d and Fig. 5 d, when setting back, also can very ideally keep sealing state.
Though in the above with reference to preferred embodiment, illustrate and described the present invention, the present invention not only is confined in the scope of this preferred embodiment.Know those skilled in the art and can under the situation of the scope that does not break away from claims of the present invention, carry out necessary various forms and the modification on the details the present invention.
As mentioned above, according to the tight connecting device of metal tube of the present invention, has following effect.
Rubber seal ring of the present invention (30) constitutes with the rectangular cross-section shape with first contact segment (31) and second contact segment (32), forms inclined-plane (41) around the inboard outside of metal press ring (40).Therefore, according to the tight connecting device of metal tube of the present invention, can obtain following effect.Not only significantly improve the connection power of the pair of metal pipe (10,20) that compresses connection, and improve the sealing between two metal tubes (10,20), be subjected to external force generation metal tube (10,20) elongation situation and also can keep sealing.
Claims (3)
1. metal pipe tight connecting device, its feature comprises:
The connection side inside of first metal tube (10) is provided with rubber seal ring (30) and metal pressurization extensive region (40), after the connection side of first metal tube (10) is inserted second metal tube (20), utilize the connection side of first metal tube (10) compaction tool to compress and connect two metal tubes (10,20);
Above-mentioned rubber seal ring (30) constitutes with the rectangular cross-section image of first contact segment (31) and second contact segment (32), improve two metal tubes (10,20) sealing between, the inboard outside of metal press ring (40) forms the connection power that inclined-plane (41) improves two metal tubes (10,20).
2. metal pipe tight connecting device, wherein, what the metal press ring (40) that claim 1 is described to be had the rubber seal ring (30) of first contact segment (31) and the rectangular cross-section image of second contact segment (32) and form inclined-plane (41) in inboard outside was arranged on first metal tube (10) is connected side inside, is utilizing compaction tool to compress after inserting second metal tube (20) on the connection side of first metal tube (10).
3. metal pipe tight connecting device, wherein, the metal press ring (50) of the described common recognition of claim 1, has first contact segment (31), the rubber seal ring (30) of the rectangular cross-section shape of second contact segment (32) and form the metal press ring (40) on inclined-plane (41) in inboard outside, be arranged on the connection side inside of first metal tube (10), after inserting second metal tube (20) on the connection side of first metal tube (10), utilize compaction tool to compress.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020040011985 | 2004-04-29 | ||
| KR20-2004-0011985U KR200357228Y1 (en) | 2004-04-29 | 2004-04-29 | a pipe jointing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1693744A true CN1693744A (en) | 2005-11-09 |
Family
ID=35352829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100689890A Pending CN1693744A (en) | 2004-04-29 | 2005-04-29 | Metal pipe tight connecting device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200357228Y1 (en) |
| CN (1) | CN1693744A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090479A (en) * | 2015-11-06 | 2016-11-09 | 苏光彬 | Metallic conduit snap ring-type attachment structure and preparation method thereof |
| CN107110406A (en) * | 2014-10-31 | 2017-08-29 | 艾派克金国际有限公司 | For being connected to tubular member, the joint of pipeline connection and method for joint to be connected to tubular member |
| CN109185577A (en) * | 2018-09-30 | 2019-01-11 | 厦门中井科技有限公司 | Interior card clamp-press type assembling pipe joint |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101917821B1 (en) * | 2017-01-16 | 2018-11-12 | 유조동 | Appratus and method for fitting pipe |
| KR102139467B1 (en) * | 2019-08-30 | 2020-07-30 | 정우금속공업 주식회사 | Pitting Apparatus for Connecting Pipe |
-
2004
- 2004-04-29 KR KR20-2004-0011985U patent/KR200357228Y1/en not_active IP Right Cessation
-
2005
- 2005-04-29 CN CNA2005100689890A patent/CN1693744A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110406A (en) * | 2014-10-31 | 2017-08-29 | 艾派克金国际有限公司 | For being connected to tubular member, the joint of pipeline connection and method for joint to be connected to tubular member |
| CN106090479A (en) * | 2015-11-06 | 2016-11-09 | 苏光彬 | Metallic conduit snap ring-type attachment structure and preparation method thereof |
| CN109185577A (en) * | 2018-09-30 | 2019-01-11 | 厦门中井科技有限公司 | Interior card clamp-press type assembling pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200357228Y1 (en) | 2004-07-23 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |