CN101625054A - Radial extrusion type joint - Google Patents
Radial extrusion type joint Download PDFInfo
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- CN101625054A CN101625054A CN200910056715A CN200910056715A CN101625054A CN 101625054 A CN101625054 A CN 101625054A CN 200910056715 A CN200910056715 A CN 200910056715A CN 200910056715 A CN200910056715 A CN 200910056715A CN 101625054 A CN101625054 A CN 101625054A
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- elastic seal
- seal ring
- extrusion type
- metal
- type joint
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Abstract
The invention relates to a metal tube radical extrusion type joint, comprising a metal body and parts for extrusion, wherein the parts for extrusion are arranged at the two ends of the metal body. The metal body is in tubular structure; and the inner walls of the parts for extrusion which are arranged at the two ends of the metal body are also provided with an elastic seal ring and a plurality of metal teeth. The elastic seal ring comprises an outside elastic seal ring and an inside elastic seal ring which are all O-shaped elastic seal rings. The outer wall of the part for extrusion is also provided with a pair of flange structures which comprise a pair of outside flanges and a pair of inside flanges. The inner wall of each flange is all provided with a seal ring groove, so as to place and fix the elastic seal ring. A plurality of metal teeth are distributed between the outside elastic seal ring and the inside elastic seal ring. The plane where each metal tooth is located is vertical to the axis of the part for extrusion of the radical extrusion type joint. The invention has the advantages that no welding is required, technical requirement on operators is low, no large machine or equipment is required when in installation, the required parts are less, installation time is short, and adaptability and reliability are high.
Description
Technical field
The present invention relates to a kind of metal tube connection set, be specifically related to a kind of metal tube extrusion type joint.
Background technique
In hydraulic system, need to make up pipeline system and be used for liquid transfer.Hydraulic line system is formed by connecting by the metal tube of a plurality of difformities, length and function.Adopt of traditional metal pipe line Placement is welded to connect more.Be welded to connect following characteristics, for example: requiring the operator must be that the piping inside that needs radiographic inspection after professional welder, fire operation are had relatively high expectations, welded safe precaution measure, finishes has certain welding residue.
Also occurred the non-method that is welded to connect of metal tube piping in recent years, as be threaded and be connected with flange.Above-mentioned dual mode has overcome the some shortcomings part that is welded to connect, but also there are some defectives in itself, for example: this dual mode all needs metal tube is anticipated (or prepackage or moulding or enlarging or groove), above-mentioned several mode of anticipating, need the machinery equipment of specialty on the one hand, it is also longer relatively to consume the time on the other hand, and also relatively stricter to the requirement in fitting operation space.
Summary of the invention
Purpose of the present invention provides a kind of no-welding type extrusion type joint, before connecting metal tube, do not need metal tube is anticipated, and lower to the erection unit requirement, simple and fast, easy to use.
Technological scheme of the present invention is:
A kind of radial extrusion type joint is characterized in, the crimping section that supplies that comprises metal body and be arranged on these metal body two ends; Wherein,
Described metal body is a tubular structure;
Two ends at this metal body also are provided with elastic seal ring and number of metal tooth on the inwall of crimping section.
Above-mentioned radial extrusion type joint, wherein, described elastic seal ring comprises outer elastic seal ring and inboard elastic seal ring.
Above-mentioned radial extrusion type joint, wherein, described outer elastic seal ring and inboard elastic seal ring all are O type elastic seal rings.
Above-mentioned radial extrusion type joint wherein, also is provided with the pair of flanges structure on the confession outer wall of crimping section at described metal body two ends, and this comprises pair of outside flange and pair of inside flange to flanged structure.
Above-mentioned radial extrusion type joint wherein, is equipped with o-ring groove on the inwall of described each outboard flanges, in order to place and fixing described outer elastic seal ring.
Above-mentioned radial extrusion type joint wherein, is equipped with o-ring groove on the inwall of described each medial flange, in order to place and fixing described inboard elastic seal ring.
Above-mentioned radial extrusion type joint, wherein, described number of metal tooth is distributed between outer elastic seal ring and the inboard elastic seal ring.
Above-mentioned radial extrusion type joint, wherein, described each plane, metal-toothed place and radial extrusion type joint should be located the axis normal for crimping section.
The present invention compared with prior art, its advantage is:
1. need not welding.This means that installation process need not high-temperature operation; Do not have pollutant such as welding slag during installation and enter hydraulic system, need not duct cleaning after therefore installing; Only need a gauge can predict installation after installing and whether put in place, need not X ray and survey.These characteristics has been simplified installation procedure greatly.
2. require lower to operator's technical ability.Need not professional qualification, the ordinary person only need can operate through simple training, has reduced installation cost.
3. need not large-scale machinery equipment when installing.Only need use the portable extrusion equipment of a cover, low to spatial requirement, and fittings body itself takes up space lessly, and this also makes and has more advantage aspect its piping connection in restricted space.
4. required component are few.This connecting means only needs an extrusion type joint body just can finish the connection of metal tube.And other weldless connection all needs a plurality of component.
5. the installation time is short.General slightly through the personnel of training, finishing a connection only needs about 2 minutes, and other Placement often needed more than 15 minutes.
6. high-adaptability and reliability.Compare other Placement, extrusion type joint is lower to technical requirementss such as metal tube wall thickness, external diameter, distortion tolerances, and does not influence the reliability of connection.
Description of drawings
Fig. 1 is the structural representation of extrusion type joint of the present invention.
Embodiment
Below in conjunction with Fig. 1, describe a preferred embodiment of the present invention in detail.
As shown in Figure 1, the invention discloses a kind of joint that the metal tube piping connects that is used for.This is connected to non-weldability connection, and when connecting, need carry out 360 degree lateral extrusion to this joint.
As shown in Figure 1, joint disclosed in this invention is a tubular metal structure.Its internal diameter size is by the metal tube external diameter decision of required connection.Respectively be provided with the part of a pair of rat at this joint metal body 1 two ends outer surface external lateral portion and inside part, be respectively outboard flanges 2 and medial flange 3.In the most inboard inner wall surface of each outboard flanges 2 outermost inner wall surface and each medial flange 3, respectively be provided with o-ring groove one, in establish O type elastic seal ring, be respectively outside O type elastic seal ring 4 and inboard O type elastic seal ring 5.On the inwall between the outside at these joint two ends O type elastic seal ring 4 and the inboard O type elastic seal ring 5, be provided with the number of metal dentation structure, promptly metal-toothed 6.Each plane, metal-toothed place and radial extrusion type joint should be located the axis normal for crimping section.
As shown in Figure 1, joint using method of the present invention is as follows.At first, will insert from these joint two ends through two metal tube connecting ends of the required connection of cleaning, and in this joint involutory contact in middle part.Subsequently, keep the relative position of two metal tubes and this joint constant, use the portable hydraulic compression tool, begin extruding in the fitting flange place.Extruding is the medial flange of this end from a certain outboard flanges of joint one end then, is the outboard flanges of the other end then successively, and the medial flange of the other end.Finish after whole extruding, promptly finished the connection of two metal tubes.
Use after joint in the above preferred embodiment of the present invention connects two metal tubes, constituted three seals altogether, overflow with the liquid that can not in security deposit's metal conduit.The sealing of first road is the inboard O type elastic seal ring 5 at these inner nosepiece wall two ends, closely contacts with the metal tube tube wall outside after extruding, thereby plays seal action; The sealing of second road is the joint metal body 1 and intermetallic tight contact of metal tube tube wall that the extruding back forms, thereby has formed rigid seal; Three seals is the outside, an inner nosepiece wall two ends O type elastic seal ring 4, closely contacts with the metal tube tube wall outside after extruding, thereby plays seal action.The above-mentioned multi-sealed tightness and the reliability that connect of having guaranteed.In addition, because extruding, the metal-toothed 6 of inner nosepiece wall embeds the outside of metal tube tube walls, plays the interlock fixation, has prevented that effectively metal tube from deviating from the middle of joint.
Above-mentioned explanation and accompanying drawing have provided the specific embodiment of the present invention and details thereof.Those of ordinary skill in the art will recognize that the present invention can implement in many other concrete structures, and those of ordinary skill in the art does not need too much experiment can implement these related embodiment.As the purpose of this patent file, protection scope of the present invention thereby not only be subject to the concrete preferred implementation of above-mentioned explanation, but propose by claim.The method of equivalence and any all changes in the scope all are regarded as comprising within the spirit and scope of the present invention in the claim.
Claims (8)
1. a radial extrusion type joint is characterized in that, the crimping section that supplies that comprises metal body (1) and be arranged on this metal body (1) two ends; Wherein,
Described metal body (1) is a tubular structure;
Two ends at this metal body (1) also are provided with elastic seal ring and number of metal tooth (6) on the inwall of crimping section.
2. radial extrusion type joint as claimed in claim 1 is characterized in that, described elastic seal ring comprises outer elastic seal ring (4) and inboard elastic seal ring (5).
3. radial extrusion type joint as claimed in claim 2 is characterized in that, described outer elastic seal ring (4) and inboard elastic seal ring (5) all are O type elastic seal rings.
4. radial extrusion type joint as claimed in claim 1 is characterized in that, also is provided with the pair of flanges structure on the confession outer wall of crimping section at described metal body (1) two ends, and this comprises pair of outside flange (2) and pair of inside flange (3) to flanged structure.
5. radial extrusion type joint as claimed in claim 4 is characterized in that, is equipped with o-ring groove on the inwall of described each outboard flanges (2), in order to place and fixing described outer elastic seal ring (4).
6. radial extrusion type joint as claimed in claim 4 is characterized in that, is equipped with o-ring groove on the inwall of described each medial flange (3), in order to place and fixing described inboard elastic seal ring (5).
7. radial extrusion type joint as claimed in claim 3 is characterized in that, described number of metal tooth (6) is distributed between outer elastic seal ring (4) and the inboard elastic seal ring (5).
8. as claim 1 or 7 described radial extrusion type joints, it is characterized in that described each metal-toothed (6) plane, place and radial extrusion type joint should be located the axis normal for crimping section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056715A CN101625054B (en) | 2009-08-20 | 2009-08-20 | Radial extrusion type joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056715A CN101625054B (en) | 2009-08-20 | 2009-08-20 | Radial extrusion type joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101625054A true CN101625054A (en) | 2010-01-13 |
| CN101625054B CN101625054B (en) | 2012-10-03 |
Family
ID=41520993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910056715A Active CN101625054B (en) | 2009-08-20 | 2009-08-20 | Radial extrusion type joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101625054B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2539972A (en) * | 2015-07-24 | 2017-01-04 | Hydra-Ring Ltd | A connector |
| CN106734651A (en) * | 2016-12-07 | 2017-05-31 | 贵州黎阳航空动力有限公司 | A kind of closing method of flow regulator bridge pipe |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19740144C2 (en) * | 1997-09-12 | 1999-12-02 | Parker Hannifin Gmbh | Connection of a metal tube with a metal sleeve, and method for producing the connection |
| DE10016312A1 (en) * | 1999-12-02 | 2001-10-04 | Selck Gmbh & Co Kg | Device for producing a pipe coupling |
| CN2433494Y (en) * | 2000-08-09 | 2001-06-06 | 金德铝塑复合管有限公司 | Pressure-type pipeline connector |
| CN2474865Y (en) * | 2001-04-02 | 2002-01-30 | 高明三顺管材有限公司 | Fast connecting pipe joint |
| CN2828507Y (en) * | 2005-05-12 | 2006-10-18 | 甘肃省机械科学研究院 | Memory alloy labyrinth sealing type pipe connection |
-
2009
- 2009-08-20 CN CN200910056715A patent/CN101625054B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2539972A (en) * | 2015-07-24 | 2017-01-04 | Hydra-Ring Ltd | A connector |
| WO2017017413A1 (en) * | 2015-07-24 | 2017-02-02 | Hydra-Ring Ltd | A connector |
| GB2539972B (en) * | 2015-07-24 | 2017-07-19 | Hydra-Ring Ltd | A connector |
| GB2546669A (en) * | 2015-07-24 | 2017-07-26 | Hydra-Ring Ltd | A connector |
| GB2546669B (en) * | 2015-07-24 | 2018-02-28 | Hydra Ring Ltd | A Conduit connecting ferrule with inwardly directed protrusions |
| CN108156818A (en) * | 2015-07-24 | 2018-06-12 | 海德瑞盈有限公司 | Connector |
| CN106734651A (en) * | 2016-12-07 | 2017-05-31 | 贵州黎阳航空动力有限公司 | A kind of closing method of flow regulator bridge pipe |
| CN106734651B (en) * | 2016-12-07 | 2019-05-14 | 贵州黎阳航空动力有限公司 | A kind of closing method of flow regulator bridge pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101625054B (en) | 2012-10-03 |
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