CN105443889A - Rapid assembly connector for fuel gas corrugated pipe - Google Patents
Rapid assembly connector for fuel gas corrugated pipe Download PDFInfo
- Publication number
- CN105443889A CN105443889A CN201610016237.8A CN201610016237A CN105443889A CN 105443889 A CN105443889 A CN 105443889A CN 201610016237 A CN201610016237 A CN 201610016237A CN 105443889 A CN105443889 A CN 105443889A
- Authority
- CN
- China
- Prior art keywords
- nut
- snap ring
- corrugated pipe
- bellows
- joint
- 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
-
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a rapid assembly connector for a fuel gas corrugated pipe, belonging to the technical field of fuel gas. The rapid assembly connector comprises a connector, a nut which is arranged on one end of the connector through threads and the corrugated pipe which is inserted into the nut; the rapid assembly connector further comprises a snap ring which can stretch and contract in the longitudinal direction; the outer side wall of the snap ring is provided with a first inclined plane which is distributed along the axial direction; an opening at one end of the snap ring is provided with a flange part which extends toward the center of the snap ring; and when the nut is screwed into the connector, the snap ring is driven to move in the longitudinal direction by the nut, and the flange part is clamped and connected onto the outer side wall of the corrugated pipe. The rapid assembly connector is simple in structure and convenient for use; and the corrugated pipe is prevented from coming off, so that the sealing effect is better exerted, and parts are not damaged.
Description
Technical field
The present invention relates to a kind of corrugated pipe for gas Quick-mounting joint, belong to gas technology field.
Background technique
Along with the development in epoch, the utilization of combustion gas is more and more extensive, becomes civilian and the indispensable part of business.In order to better realize quick mounting and effective sealing, various combustion gas rapid pipe joint is devised, and constantly modified.Tradition rapid pipe joint and bellows are installed, and need a whole set of joint to take apart, are snapped in the trough of the ripple of bellows, then assemble all the other fittings, reach sealing purpose finally by screw-threaded coupling by two lobe snap rings wherein; In addition some are the distortion by bellows tube head in addition, it are coordinated with rapid pipe joint thus reach sealing purpose.Above mode of operation is not only installed loaded down with trivial details but also very time-consuming, and it is different to add construction and installation site environment, when assembling joint, often can there is fitting and to drop phenomenon, make troubles to installation.
Summary of the invention
For solving the problem, the invention provides a kind of structure simple, easy for installation, tightness can be ensured and realize quick mounting and dismounting, again without the need to doing the Quick-mounting joint for a kind of corrugated pipe for gas of deformation process to bellows.
The technological scheme that the present invention adopts for its problem of solution is:
A kind of corrugated pipe for gas Quick-mounting joint, comprises joint, nut that screw thread is arranged on described joint one end and the bellows that is inserted in described nut; Also comprise the snap ring that can stretch in radial direction, the outer side wall of described snap ring is provided with the first plane of inclination distributed vertically, and its one end open is provided with the lip part extended to snap ring central direction; When nut screws in joint, nut orders about snap ring and is moving radially, and lip part is connected on the outer side wall of described bellows.
Preferably, described snap ring is set between described bellows and described nut, and one end of its larger caliber is connected on the madial wall of described joint; Lip part is arranged on more small-bore one end of snap ring.
Preferably, also comprise the first seal ring be set between described bellows and described snap ring, one end of described first seal ring is connected on the madial wall of described joint, and the other end is connected on described lip part.
Preferably, the madial wall of described snap ring is provided with the second plane of inclination abutted with described first seal ring, and described second plane of inclination is identical with the true dip direction of described first plane of inclination.
Preferably, the outer side wall of described nut is provided with the boss extended laterally, is provided with the second seal ring between a side end of described joint and described boss.
Preferably, the 3rd seal ring is provided with between the madial wall of described nut and the outer side wall of described bellows.
Preferably, on described nut between described 3rd seal ring and the first seal ring, be provided with the detect aperture of through nut sidewall.
Preferably, the outside of described bellows is provided with clad, and described lip part is between the port of described clad and the port of described bellows.
Preferably, the madial wall of described joint is provided with the draw-in groove with the end abutment of described snap ring.
Preferably, described snap ring cross section is diametrically C-shaped.
The invention has the beneficial effects as follows: structure is simple, easy to use, during installation, only need the rapid pipe joint assembled directly to insert with bellows to be connected, then nut and joint are screwed, snap ring is under the promotion of nut, automatically shrink to the inside, in the wave groove that lip part is snapped on the outer side wall of bellows, thus prevent bellows from deviating from, better play the effect of sealing.During dismounting, also just by unscrewing nut, nut is separated with joint, and snap ring resets under the effect of natural resiliency power, and automatically leaves bellows, can not part of damage.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is scheme of installation of the present invention;
Fig. 2 is the scheme of installation of joint of the present invention and nut;
Fig. 3 is the structural representation of snap ring of the present invention.
In figure: 1, bellows; 2, clad; 3, nut; 31, boss; 32, detect aperture; 4, the 3rd seal ring; 5, the second seal ring; 6, snap ring; 61, the first plane of inclination; 62, lip part; 63, the second plane of inclination; 7, the first seal ring; 8, joint; 81, draw-in groove.
Embodiment
A kind of corrugated pipe for gas Quick-mounting joint as shown in accompanying drawing 1 to 3, comprises joint 8, nut 3 that screw thread is arranged on described joint 8 one end and the bellows 1 that is inserted in described nut 3.Also comprise the snap ring 6 that radial cross section is C-shaped, can stretch in radial direction, the outer side wall of described snap ring 6 is provided with the first plane of inclination 61 distributed vertically, and its one end open is provided with the lip part 62 extended to snap ring 6 central direction; Described snap ring 6 is set between described bellows 1 and described nut 3, and one end of its larger caliber is connected on the madial wall of described joint 8; Lip part 62 is arranged on more small-bore one end of snap ring 6.
During installation, only need the rapid pipe joint assembled directly to insert with bellows to be connected, then nut 3 and joint 8 are screwed, snap ring 6 is under the promotion of nut 3, automatically shrink to the inside, in the wave groove that lip part 62 is snapped on the outer side wall of bellows 1, thus prevent bellows 1 from deviating from, better play the effect of sealing.During dismounting, also just by unscrewing nut 3, nut 3 is separated with joint 8, and snap ring 6 resets under the effect of natural resiliency power, and automatically leaves bellows 1, can not part of damage.
In order to ensure sealing of the present invention, the present invention also comprises the first seal ring 7 be set between described bellows 1 and described snap ring 6, and one end of described first seal ring 7 is connected on the madial wall of described joint 8, and the other end is connected on described lip part 62.When nut 3 screws installation with joint 8, the first plane of inclination 61 of snap ring 6 is subject to the thrust of axis from nut 3 and radial direction, and this radial thrust forces snap ring 6 to shrink to the inside, and lip part 62 is snapped on the outer side wall of bellows 1.This end thrust forces snap ring 6 to move radially, the end of snap ring 6 is made to insert the draw-in groove 81 be positioned on the madial wall of described joint 8, and this draw-in groove 81 is between snap ring 6 and the first seal ring 7, like this, shrink when snap ring 6 and snap in after in draw-in groove 81, certain seal action can be played, isolated the space between joint 8 inside and outside.
In addition, be provided with the second plane of inclination 63 abutted with described first seal ring 7 at the madial wall of described snap ring 6, described second plane of inclination 63 is identical with the true dip direction of described first plane of inclination 61.Pass through this set, the active force of snap ring 6 to the first seal ring 7 is made also to form a radial thrust and end thrust, this radial thrust forces the first seal ring 7 to clamp bellows 1, this end thrust forces the madial wall close contact of the first seal ring 7 and joint 8, thus strengthens the sealing between joint 8 and bellows 1.
In one of them embodiment of the present invention, the end face that described nut 3 contacts with snap ring 6 can be arranged to plane of inclination, the end face that described first seal ring 7 contacts with snap ring 6 also can be arranged to plane of inclination, make the active force of nut 3 pairs of snap rings 6 like this, and the active force of snap ring 6 to the first seal ring 7 is more stable.
Further, the outer side wall of described nut 3 is provided with the boss 31 extended laterally, between a side end of described joint 8 and described boss 31, is provided with the second seal ring 5.The 3rd seal ring 4 is provided with between the madial wall and the outer side wall of described bellows 1 of described nut 3.Like this, by the effect of the second seal ring 5 and the 3rd seal ring 4, respectively the assemblage gap of nut 3 with the assemblage gap of joint 8 and the bellows 1 of nut 3 is all sealed.When the second seal ring 5 is by compressive strain, can prove that nut 3 is closely with the installation of joint 8.
After verifying that nut 3 and joint 8 are installed, the tightness of joint 8 inside, on described nut 3, between described 3rd seal ring 4 and the first seal ring 7, be provided with the detect aperture 32 of through nut 3 sidewall, detect aperture 32 can external detection facility, when detection facility detects pressure change, prove to leak gas between joint 8 and bellows 1.
In order to protect bellows 1, the outside of described bellows 1 is provided with clad 2, and described lip part 62, between the port of described clad 2 and the port of described bellows 1, makes lip part 62 can wave groove on bellows 1 outer wall described in clamping.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a corrugated pipe for gas Quick-mounting joint, is characterized in that, comprises joint, nut that screw thread is arranged on described joint one end and the bellows that is inserted in described nut; Also comprise the snap ring that can stretch in radial direction, the outer side wall of described snap ring is provided with the first plane of inclination distributed vertically, and its one end open is provided with the lip part extended to snap ring central direction; When nut screws in joint, nut orders about snap ring and is moving radially, and lip part is connected on the outer side wall of described bellows.
2. a kind of corrugated pipe for gas Quick-mounting joint according to claim 1, is characterized in that, described snap ring is set between described bellows and described nut, and one end of its larger caliber is connected on the madial wall of described joint; Lip part is arranged on more small-bore one end of snap ring.
3. a kind of corrugated pipe for gas Quick-mounting joint according to claim 2, it is characterized in that, also comprise the first seal ring be set between described bellows and described snap ring, one end of described first seal ring is connected on the madial wall of described joint, and the other end is connected on described lip part.
4. a kind of corrugated pipe for gas Quick-mounting joint according to claim 3, it is characterized in that, the madial wall of described snap ring is provided with the second plane of inclination abutted with described first seal ring, and described second plane of inclination is identical with the true dip direction of described first plane of inclination.
5. a kind of corrugated pipe for gas Quick-mounting joint according to claim 4, it is characterized in that, the outer side wall of described nut is provided with the boss extended laterally, is provided with the second seal ring between a side end of described joint and described boss.
6. a kind of corrugated pipe for gas Quick-mounting joint according to claim 5, is characterized in that, is provided with the 3rd seal ring between the madial wall of described nut and the outer side wall of described bellows.
7. a kind of corrugated pipe for gas Quick-mounting joint according to claim 6, is characterized in that, on described nut, between described 3rd seal ring and the first seal ring, is provided with the detect aperture of through nut sidewall.
8. a kind of corrugated pipe for gas Quick-mounting joint according to claim 7, it is characterized in that, the outside of described bellows is provided with clad, and described lip part is between the port of described clad and the port of described bellows.
9. a kind of corrugated pipe for gas Quick-mounting joint according to claim 1, is characterized in that, the madial wall of described joint is provided with the draw-in groove with the end abutment of described snap ring.
10. a kind of corrugated pipe for gas Quick-mounting joint according to claim 9, it is characterized in that, described snap ring cross section is diametrically C-shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610016237.8A CN105443889A (en) | 2016-01-07 | 2016-01-07 | Rapid assembly connector for fuel gas corrugated pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610016237.8A CN105443889A (en) | 2016-01-07 | 2016-01-07 | Rapid assembly connector for fuel gas corrugated pipe |
Publications (1)
Publication Number | Publication Date |
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CN105443889A true CN105443889A (en) | 2016-03-30 |
Family
ID=55554400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610016237.8A Pending CN105443889A (en) | 2016-01-07 | 2016-01-07 | Rapid assembly connector for fuel gas corrugated pipe |
Country Status (1)
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CN (1) | CN105443889A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107559516A (en) * | 2017-10-13 | 2018-01-09 | 杭州联发管业科技有限公司 | Corrugated stainless steel tubing ring seals snap joint and installation method |
CN113503412A (en) * | 2021-07-15 | 2021-10-15 | 芜湖泰和管业股份有限公司 | Corrugated pipe quick installation connector and corrugated pipe applying same |
CN115339237A (en) * | 2021-11-18 | 2022-11-15 | 杭州秉信环保包装有限公司 | Seal machine oil pipe |
CN116045091A (en) * | 2023-02-03 | 2023-05-02 | 浙江万全管业有限公司 | Stainless steel corrugated hose for fuel gas and processing technology |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000002381A (en) * | 1998-06-17 | 2000-01-07 | Onda Seisakusho:Kk | Flexible tube joint |
JP2004011900A (en) * | 2002-06-12 | 2004-01-15 | Shinwa Sangyo Co Ltd | Joint for flexible tube |
CN2821356Y (en) * | 2005-07-22 | 2006-09-27 | 张棵梅 | Quick joint for corrugated metal soft pipe |
CN2864298Y (en) * | 2005-12-24 | 2007-01-31 | 吴文庆 | Built-in pipe used joint |
US20100320755A1 (en) * | 2007-06-26 | 2010-12-23 | Swagelok Company | Apparatus and method of zero clearance connection with optional sensing function |
CN203453683U (en) * | 2013-08-22 | 2014-02-26 | 航天晨光股份有限公司 | Rapid assembly joint for corrugated pipe |
CN205331639U (en) * | 2016-01-07 | 2016-06-22 | 芜湖泰和管业股份有限公司 | Quick erection joint of bellows for gas |
-
2016
- 2016-01-07 CN CN201610016237.8A patent/CN105443889A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000002381A (en) * | 1998-06-17 | 2000-01-07 | Onda Seisakusho:Kk | Flexible tube joint |
JP2004011900A (en) * | 2002-06-12 | 2004-01-15 | Shinwa Sangyo Co Ltd | Joint for flexible tube |
CN2821356Y (en) * | 2005-07-22 | 2006-09-27 | 张棵梅 | Quick joint for corrugated metal soft pipe |
CN2864298Y (en) * | 2005-12-24 | 2007-01-31 | 吴文庆 | Built-in pipe used joint |
US20100320755A1 (en) * | 2007-06-26 | 2010-12-23 | Swagelok Company | Apparatus and method of zero clearance connection with optional sensing function |
CN203453683U (en) * | 2013-08-22 | 2014-02-26 | 航天晨光股份有限公司 | Rapid assembly joint for corrugated pipe |
CN205331639U (en) * | 2016-01-07 | 2016-06-22 | 芜湖泰和管业股份有限公司 | Quick erection joint of bellows for gas |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107559516A (en) * | 2017-10-13 | 2018-01-09 | 杭州联发管业科技有限公司 | Corrugated stainless steel tubing ring seals snap joint and installation method |
CN113503412A (en) * | 2021-07-15 | 2021-10-15 | 芜湖泰和管业股份有限公司 | Corrugated pipe quick installation connector and corrugated pipe applying same |
CN113503412B (en) * | 2021-07-15 | 2022-09-27 | 芜湖泰和管业股份有限公司 | Corrugated pipe quick installation connector and corrugated pipe applying same |
CN115339237A (en) * | 2021-11-18 | 2022-11-15 | 杭州秉信环保包装有限公司 | Seal machine oil pipe |
CN115339237B (en) * | 2021-11-18 | 2023-12-22 | 杭州秉信环保包装有限公司 | Printer oil pipe |
CN116045091A (en) * | 2023-02-03 | 2023-05-02 | 浙江万全管业有限公司 | Stainless steel corrugated hose for fuel gas and processing technology |
CN116045091B (en) * | 2023-02-03 | 2023-07-04 | 浙江万全管业有限公司 | Stainless steel corrugated hose for fuel gas and processing technology |
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Application publication date: 20160330 |