CN2821356Y - Quick joint for corrugated metal soft pipe - Google Patents
Quick joint for corrugated metal soft pipe Download PDFInfo
- Publication number
- CN2821356Y CN2821356Y CN 200520013536 CN200520013536U CN2821356Y CN 2821356 Y CN2821356 Y CN 2821356Y CN 200520013536 CN200520013536 CN 200520013536 CN 200520013536 U CN200520013536 U CN 200520013536U CN 2821356 Y CN2821356 Y CN 2821356Y
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- CN
- China
- Prior art keywords
- metal tube
- joint
- flexible metal
- sleeve
- corrugated flexible
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- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a quick joint for a corrugated metallic soft pipe, which comprises a main body (1) of a joint, wherein the main body (1) of a joint is provided with an inserting hole which can contain a corrugated metallic soft pipe (8), and the corrugated metallic soft pipe can be inserted in the inserting hole from the back to the front. The utility model is characterized in that the quick joint for a corrugated metallic soft pipe also comprises a sleeve barrel (6), the front end of which is internally connected with the tail part of the inserting hole of the main body (1) of a joint by threads, and the front end of the sleeve barrel (6) is connected with a pressing sleeve (4), the front end of which is provided with a closing opening part. An internal flange (11) is arranged on the inserting hole of the main body (1) of a joint in the position corresponding to the pressing sleeve (4), and the internal flange and the internal wall of the inserting hole are formed into an annular hollow cavity (12). An annular sealing ring (2) is also arranged in the annular hollow cavity (12). The outer wall of the annular sealing ring (2) is attached to the internal wall of the inserting hole. A gap which is arranged between the internal wall of the annular sealing ring (2) and the internal flange (11) is formed into an annular inserting slot. With the utility model, the corrugated metallic soft pipe can be rapidly connected with the joint by hand in the installing site and favorable sealing is formed. The internal flange of the main body of the joint, which is additionally provided, has favorable functions of guiding and centralized positioning and simultaneously performs the supporting function to the internal wall of the corrugated metallic soft pipe.
Description
Technical field
The utility model relates to a kind of pipe joint, particularly a kind of rapid pipe joint that is used for connecting the corrugated flexible metal tube that is used to carry gas-liquid.
Background technique
The mode of traditional gas appliances such as connection LP gas cylinder, fuel tube or gas cooker is: tighten with Drop-proof with galvanized wire by the rubber pipe connection and at the two ends of rubber pipe; This Placement exists many defectives: install and transposing inconvenience, under bending state, block gas circuit easily, the rubber pipe corrosion-resistant, easily aging, working life is short, gas leak phenomenon takes place easily, just because of this, explosive incident is revealed in the annual gas poisoning or the combustion gas that all can take place to cause because of above-mentioned reason in all parts of the country.
For solving the safe and reliable connectivity problem of gas pipeline, it is to be processed into the soft connecting tube with helical fissure metal tube that " the helical fissure metal hose connector " of our formerly Chinese utility model patent ZL97225276.2 number " plug-in type helical fissure metal hose connector ", ZL97225278.9 number and ZL01211062.0 number " a kind of modified model metallic hose " disclose three kinds of main bodys, and its two ends are welded with the thread connecting joint of metal; These three kinds of design proposals are owing to adopted the corrugated metal tube body, have certain flexible can be arbitrarily crooked and don't can bend, and it is convenient and reliable to be threaded, can thoroughly stop gas leakage, choke phenomenon, thereby eliminate because of combustion gas and reveal the accident potential that causes poisoning, explosive incident, practical effect is fine.
But, because in above-mentioned three kinds of technological schemes, the termination of corrugated flexible metal tube main body all must be welded with a metal joint, this just limits its length dimension, in case when dispatching from the factory, determine just can't change, more can't carry out freely reducing according to Len req at the scene.And existing various pipe joint is all at metal tube, plastic tube or composite pipe design, and not seeing has specially at the corrugated flexible metal tube design.For this reason, " a kind of rapid pipe joint that is used for corrugated flexible metal tube " that our Chinese invention patent formerly is ZL03129320.4 number discloses a kind of rapid pipe joint that can be used to free-hand connection corrugated flexible metal tube, this rapid pipe joint includes a joint body, it has one can hold the jack that corrugated flexible metal tube inserts from back to front, in this jack, be disposed with the profile of tooth dog collar vertically from front to back, seal ring and clamping sleeve, wherein the front-end face of profile of tooth dog collar is spacing by the step institute that the body jack is provided with in the corresponding part, the rear portion outer circumferential face that it is characterized in that described clamping sleeve is the conical surface shape that shrinks gradually, and include a stop collar that inserts from back to front in the body jack, its front inner wall has the conical surface that matches with described clamping sleeve rear portion periphery, the jack inwall relative fixed of its outer wall and body.This technological scheme has solved the difficult problem of the elongated degree corrugated flexible metal tube of on-the-spot installation main body effectively, and rapid pipe joint is quite reliable with being connected of corrugated flexible metal tube main body, even exert oneself the drawing corrugated flexible metal tube, also is difficult to pull; But, find that through practice because this technological scheme employing is the side face sealing means, promptly seal ring must be pressed on the corrugated flexible metal tube main body outer wall, therefore the requirement of strength of corrugated flexible metal tube main body is higher, otherwise causes the distortion of corrugated flexible metal tube main body easily; In addition, if the port out-of-flatness of corrugated flexible metal tube main body, after the corrugated flexible metal tube main body is inserted, owing to do not have miscellaneous part its guiding and centralized positioning effect, and slotting askew easily, thus poor sealing caused; Have, the clamping sleeve in this design proposal is one to be embedded with the working of plastics of metalwork again, and it compresses intensity still dislikes inadequately, and structure is comparatively complicated.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of more convenient, lower to the requirement of strength of corrugated flexible metal tube main body rapid pipe joint that is used for corrugated flexible metal tube of using at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: this rapid pipe joint that is used for corrugated flexible metal tube includes a joint body, this joint body has one can hold the jack that corrugated flexible metal tube inserts from back to front, it is characterized in that also including the sleeve that is screwed onto in the front end in the joint body jack afterbody, and the front end at this sleeve also is connected with the clamping sleeve that a front end has closing in portion, and described joint body has an inward flange at its jack to position that should the clamping sleeve front end, and form a toroidal cavity with the jack inwall, and in this toroidal cavity, also be provided with an O-ring seal, the outer wall of O-ring seal is attached on the inwall of jack, and the inwall of O-ring seal then and leave the gap between the described inward flange and form an annular slot.
In corrugated flexible metal tube inserts the jack that sleeve inserts joint body then from back to front, in corrugated flexible metal tube inserts the inward flange and the annular slot between the O-ring seal of joint body, the front end closing in portion of clamping sleeve be inlay card on the node of the corrugated flexible metal tube of correspondence, realize being connected between rapid pipe joint and the corrugated flexible metal tube thereby make.
Described clamping sleeve can adopt prior art, but to adopt metal material and to have radial groove radially is good, and, for preventing that clamping sleeve expands outwardly when firmly pullling corrugated flexible metal tube, on the periphery wall of clamping sleeve, also can be provided with an annular groove, and in this annular groove, set a split ring steel wire.
Better, described clamping sleeve tail end can have male cone (strobilus masculinus), the front end of sleeve then has the inner conical surface that matches, when corrugated flexible metal tube insert the inward flange of joint body and the annular slot between the O-ring seal on earth after, again corrugated flexible metal tube is slightly pulled back, clamping sleeve just inwardly shrinks under the effect of sleeve inner conical surface, thereby makes clamping sleeve press tightlyer with corrugated flexible metal tube diametrically.
And, between the tail flange of described sleeve and joint body rear end, also can be provided with an O RunddichtringO for further sealing.
For the corrugated flexible metal tube that is with protecting cover outward, when connecting, its front end must be removed the part protecting cover, the length of exposed portions serve is positioned at clamping sleeve before for good to correct before inserting afterwards, like this, and after connection, the sleeve afterbody can be pressed on the periphery of protecting cover simultaneously, plays seal action better; In order further to strengthen sealing effect, also can be embedded a seal ring at the afterbody inwall place of sleeve, with and the outer wall (or protecting cover) of corrugated flexible metal tube between form another sealing, also therefore limited the radially movable of corrugated flexible metal tube simultaneously.
The front end of described body can be designed to existing various connecting head form, and be threaded being used for as carving, or be designed to the link type being used for the sleeve rubber pipe with outside thread, or the like.
Compared with prior art, the utility model not only need not by external tool, free-handly can reliably and apace be connected corrugated flexible metal tube on the joint in the erecting bed and constitute good sealing, and owing to set up the inward flange of joint body, also the corrugated flexible metal tube that inserts had good guiding and centralized positioning effect, inwall to corrugated flexible metal tube has also played supporting role simultaneously, thereby has reduced the requirement of strength to corrugated flexible metal tube.
Description of drawings
Fig. 1 is the utility model embodiment's a structure cross-sectional schematic.
Fig. 2 is the perspective view of clamping sleeve among Fig. 1.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, be an embodiment of the present utility model, joint body 1, sleeve 6, clamping sleeve 4 are arranged, wherein joint body 1 has one and can hold the jack that corrugated flexible metal tube 8 inserts from back to front, the front end of sleeve 6 be shaped on outside thread and in be screwed onto in the joint body 1 jack afterbody, then be provided with an O RunddichtringO 5 between the tail flange of sleeve 6 and joint body 1 rear end, so that when the 1 rotation reach of sleeve 6 opposing tabs bodies puts in place and between the rear end of joint body 1, form sealing;
Described clamping sleeve 4 is arranged in the jack of joint body 1, and is positioned at before the front end of sleeve 6, and the front end of clamping sleeve 4 has closing in portion, and the tail end of clamping sleeve 4 has male cone (strobilus masculinus), and the front end of sleeve 6 then has the inner conical surface that matches; Described clamping sleeve 4 can adopt prior art, in the present embodiment, adopt metal material and have radial groove 41 radially, and, for preventing that clamping sleeve 4 expands outwardly when firmly pullling corrugated flexible metal tube 8, on the periphery wall of clamping sleeve 4, also can be provided with an annular groove 42, and in this annular groove, set a split ring steel wire 3, referring to Fig. 2.
Described joint body 1 has an inward flange 11 in the position of corresponding described clamping sleeve 4 front ends of its jack, and form a toroidal cavity 12 with the jack inwall, and in this toroidal cavity 12, also be provided with an O-ring seal 2, the outer wall of O-ring seal 2 is attached on the inwall of jack, and the inwall of O-ring seal 2 then and leave the gap between the described inward flange 11 and form an annular slot.
During use, corrugated flexible metal tube 8 is inserted in the jack that sleeve 6 inserts joint body 1 then from back to front, insert in the inward flange 11 and the annular slot between the O-ring seal 2 of joint body until corrugated flexible metal tube 8, the front end closing in portion of clamping sleeve 4 be inlay card on the node of the corrugated flexible metal tube 8 of correspondence, thereby realize being connected between rapid pipe joint and the corrugated flexible metal tube 8.
For the corrugated flexible metal tube 8 that is with protecting cover 81 outward, when connecting, its front end must be removed the part protecting cover, the length of exposed portions serve with in the inward flange 11 that just in time inserts joint body and the annular slot between the O-ring seal 2 for good, like this, after connection, sleeve 6 afterbodys can be pressed on the periphery of protecting cover 81 simultaneously, play seal action better; In order further to strengthen sealing effect, also be embedded a seal ring 7 at the afterbody inwall place of sleeve 6, with and protecting cover 81 between form another sealing, also therefore limited the radially movable of corrugated flexible metal tube 8 simultaneously.
Claims (6)
1, a kind of rapid pipe joint that is used for corrugated flexible metal tube, include a joint body (1), this joint body (1) has one can hold the jack that corrugated flexible metal tube (8) inserts from back to front, it is characterized in that also including the sleeve (6) that is screwed onto in the front end in joint body (1) the jack afterbody, and the front end at this sleeve (6) also is connected with the clamping sleeve (4) that a front end has closing in portion, and described joint body (1) has an inward flange (11) at its jack to position that should clamping sleeve (4) front end, and form a toroidal cavity (12) with the jack inwall, and in this toroidal cavity (12), also be provided with an O-ring seal (2), the outer wall of O-ring seal (2) is attached on the inwall of jack, and the inwall of O-ring seal (2) then and leave the gap between the described inward flange (11) and form an annular slot.
2, a kind of rapid pipe joint that is used for corrugated flexible metal tube according to claim 1 is characterized in that described clamping sleeve (4) also has radial groove (41) radially for metal material.
3, a kind of rapid pipe joint that is used for corrugated flexible metal tube according to claim 2 is characterized in that also being provided with an annular groove (42) on the periphery wall of described clamping sleeve (4), and sets a split ring steel wire (3) in this annular groove (42).
4, according to claim 1,2 or 3 described a kind of rapid pipe joints that are used for corrugated flexible metal tube, it is characterized in that described clamping sleeve (4) tail end has male cone (strobilus masculinus), the front end of sleeve (6) then has the inner conical surface that matches.
5,, it is characterized in that between the tail flange of described sleeve (6) and joint body (1) rear end, being provided with an O RunddichtringO (5) according to claim 1,2 or 3 described a kind of rapid pipe joints that are used for corrugated flexible metal tube.
6, according to claim 1,2 or 3 described a kind of rapid pipe joints that are used for corrugated flexible metal tube, it is characterized in that on the afterbody inwall of described sleeve (6), being embedded with a seal ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013536 CN2821356Y (en) | 2005-07-22 | 2005-07-22 | Quick joint for corrugated metal soft pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520013536 CN2821356Y (en) | 2005-07-22 | 2005-07-22 | Quick joint for corrugated metal soft pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2821356Y true CN2821356Y (en) | 2006-09-27 |
Family
ID=37017911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520013536 Expired - Fee Related CN2821356Y (en) | 2005-07-22 | 2005-07-22 | Quick joint for corrugated metal soft pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2821356Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197135A (en) * | 2014-09-02 | 2014-12-10 | 杭州万全金属软管有限公司 | Corrugated stainless steel hose direct connection pipe fitting for gas delivery |
| CN105443889A (en) * | 2016-01-07 | 2016-03-30 | 芜湖泰和管业股份有限公司 | Rapid assembly connector for fuel gas corrugated pipe |
| CN110185859A (en) * | 2019-06-24 | 2019-08-30 | 胜利油田新海兴达实业集团有限责任公司 | A kind of multiunit tube joint |
-
2005
- 2005-07-22 CN CN 200520013536 patent/CN2821356Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197135A (en) * | 2014-09-02 | 2014-12-10 | 杭州万全金属软管有限公司 | Corrugated stainless steel hose direct connection pipe fitting for gas delivery |
| CN105443889A (en) * | 2016-01-07 | 2016-03-30 | 芜湖泰和管业股份有限公司 | Rapid assembly connector for fuel gas corrugated pipe |
| CN110185859A (en) * | 2019-06-24 | 2019-08-30 | 胜利油田新海兴达实业集团有限责任公司 | A kind of multiunit tube joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |