CN103104769B - Exempt from the explosion-proof flexible tube of soldering stainless steel - Google Patents
Exempt from the explosion-proof flexible tube of soldering stainless steel Download PDFInfo
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- CN103104769B CN103104769B CN201310047905.XA CN201310047905A CN103104769B CN 103104769 B CN103104769 B CN 103104769B CN 201310047905 A CN201310047905 A CN 201310047905A CN 103104769 B CN103104769 B CN 103104769B
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- joint
- female connector
- bellows
- net
- screw thread
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Abstract
The present invention relates to and exempt from the explosion-proof flexible tube of soldering stainless steel, comprise bellows, net and joint, bellows outer surface parcel net, the end of bellows is connected with joint, corrugated tube end is provided with female connector, and female connector internal surface is provided with screw thread, and joint one end is provided with the screw thread matched with female connector, bellows and female connector are tightly connected, and female connector is connected with joint by screw thread; Female connector is wrapped in net end, and net outer surface is provided with sheath, and after sheath is out of shape by external force pressure, net and female connector and bellows are connected to form overall structure, the outer surface of joint is arranged with seam nut.Corrugated tube end of the present invention adopts female connector to be connected with joint by screw thread, eliminate the welding procedure between bellows and joint, thus the technical requirements of operator is reduced, manufacture difficulty reduces, and eliminates simultaneously and carries out turning or polishing processing to face of weld, manufacturing efficiency improves, product not only seals reliably, and explosion-proof effect is good, and join strength is high, beautiful shape, not easily gets rusty.
Description
Technical field
The present invention relates to metal bellows, especially a kind of bellows with adopt between joint be threaded exempt from the explosion-proof flexible tube of soldering stainless steel.
Background technique
The explosion-proof flexible tube of the existing stainless steel for the place such as mine, combustion gas generally comprises bellows, net and joint, and the outer surface of bellows is enclosed with metal net cover, and the end of bellows is provided with joint.At present, be all adopt to be welded to connect usually between the end of the explosion-proof flexible tube of existing stainless steel and joint, and then weld adopted the method process of turnery processing or polishing.This processing technology is comparatively complicated, the technical requirements of welding operation to workman is higher, manufacture difficulty is large, even if welding operation reaches standard completely, also need to carry out turning, polishing or polishing to face of weld, the product design of such acquisition still there will be phenomenon attractive in appearance not, and the material of face of weld changes, and easily gets rusty.
Summary of the invention
For the deficiency of the explosion-proof flexible tube of above existing stainless steel, the object of this invention is to provide a kind of bellows with adopt between joint be threaded exempt from the explosion-proof flexible tube of soldering stainless steel.
The object of the invention is by realize by the following technical solutions:
Exempt from the explosion-proof flexible tube of soldering stainless steel, comprise bellows, net and joint, the outer surface of described bellows is enclosed with net, the end of bellows is connected with joint, the end of described bellows is provided with female connector, and the internal surface of female connector is provided with screw thread, and the outer surface of described joint one end is provided with the screw thread suitable with described female connector, described bellows and female connector are tightly connected, and female connector to be connected with described joint by screw thread and to fix.
As the preferred technical solution of the present invention, described female connector is wrapped in the end of net, and the outer surface of net end is provided with sheath, after described sheath is out of shape by external force pressure, net and female connector and bellows is connected to form overall structure.
As the preferred technical solution of the present invention, described bellows and female connector are welded to connect.
As the preferred technical solution of the present invention, described joint sets threaded one end as threaded end, the other end is connecting end, the external diameter of described joint screw thread end is less than the external diameter of its connecting end, the outer surface of joint is arranged with seam nut, the minimum-value aperture of described seam nut is greater than the external diameter of described joint screw thread end, is less than the external diameter of joint connecting end.
As the preferred technical solution of the present invention, the end face of described joint connecting end is set to spheric structure.
As the preferred technical solution of the present invention, the end face of described joint connecting end is set to plane or cone structure.
As the preferred technical solution of the present invention, the thread joint face of described joint outer surface and described female connector internal surface is set to the thread joint face with certain taper, and makes described joint and form sealing thread between female connector and be connected.
As the preferred technical solution of the present invention, between described joint outer surface and female connector internal surface, be also provided with sealing material.
As the preferred technical solution of the present invention, between described joint and female connector, the tapering of thread joint face is less than or equal to 5 degree; The hardness of the material of described joint and female connector and joint and female connector is different.
As the preferred technical solution of the present invention, described bellows, net and joint are all be made up of stainless steel material, and described female connector is made up of copper or aluminium material.
The invention has the beneficial effects as follows: relative to prior art, corrugated tube end of the present invention adopts female connector to be connected with joint by screw thread, eliminate the welding procedure between bellows and joint, thus the technical requirements of operator is reduced, manufacture difficulty reduces, eliminate simultaneously and carry out turning, polishing or polishing operation to face of weld, manufacturing efficiency improves.
The junction surface of joint and female connector is set to the conical surface by the present invention, joint and female connector material and hardness different; Be provided with sealing material between joint and female connector, thus strengthen the connection sealing effect between joint and female connector further.The present invention not only seals reliably, and explosion-proof effect is good, and join strength is high, and beautiful shape not easily gets rusty.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is fractionation structural representation of the present invention;
Fig. 3 is joint end face of the present invention is the schematic diagram of plane structure;
Fig. 4 is joint end face of the present invention is the schematic diagram of cone structure.
In figure: 1, bellows, 2, net, 3, sheath, 4, female connector, 5, seam nut, 6, joint, 7, the spheric structure of joint end face, 8, the plane structure of joint end face, 9, the cone structure of joint end face.
Embodiment
As depicted in figs. 1 and 2, exempt from the explosion-proof flexible tube of soldering stainless steel, comprise bellows 1, net 2 and joint 6, the outer surface of bellows 1 is enclosed with net 2, the end of bellows 1 is provided with female connector 4, and the internal surface of female connector 4 is provided with screw thread, and the outer surface of joint 6 one end is provided with the screw thread suitable with female connector 4 internal surface screw thread, described bellows 1 and female connector 4 are tightly connected, and female connector 4 to be connected with joint 6 by screw thread and to fix.
In the present embodiment, described female connector 4 is wrapped in the end of net 2, and the outer surface of net 2 end is provided with sheath 3, after sheath 3 is out of shape by external force pressure, net 2 and female connector 4 and bellows 1 is connected to form overall structure.Described bellows 1 is welded to connect with female connector 4, joint 6 sets threaded one end as threaded end, the other end is connecting end, the external diameter of described joint 6 threaded end is less than the external diameter of its connecting end, the outer surface of joint 6 is arranged with seam nut 5, the minimum-value aperture of seam nut 5 is greater than the external diameter of joint 6 threaded end, is less than the external diameter of joint 6 connecting end.The end face of the present embodiment joint 6 connecting end is set to spheric structure 7.
The thread joint face of described joint 6 outer surface and female connector 4 internal surface is set to the thread joint face with certain taper, makes to form sealing thread between joint 6 with female connector 4 and is connected.In the present embodiment, between described joint 6 and female connector 4, the tapering of thread joint face is less than or equal to 5 degree, is also provided with sealing material between joint 6 outer surface and female connector 4 internal surface; Material and the joint 6 of joint 6 and female connector 4 are different with the hardness of female connector 4.Bellows 1, net 2 and joint 6 described in the present embodiment are all be made up of stainless steel material, and described female connector 4 is made up of copper or aluminium material.
As shown in Figure 3 and Figure 4, be other embodiment of the present invention, the end face of described joint 6 connecting end is set to plane structure 8 or cone structure 9, to be applicable to different Placements.Bellows of the present invention adopts female connector to be connected with joint by screw thread, eliminates the welding process between bellows and joint, saves welding consumables, technical requirements reduces, manufacture difficulty reduces, and eliminates simultaneously and carries out turning, polishing or polishing to face of weld, and manufacturing efficiency improves.
Claims (1)
1. exempt from the explosion-proof flexible tube of soldering stainless steel for one kind, comprise bellows, net and joint, the outer surface of described bellows is enclosed with net, the end of bellows is connected with joint, it is characterized in that: the end of described bellows is provided with female connector, the internal surface of female connector is provided with screw thread, and the outer surface of described joint one end is provided with the screw thread suitable with described female connector, described bellows and female connector are tightly connected, and female connector to be connected with described joint by screw thread and to fix; Described female connector is wrapped in the end of net, and the outer surface of net end is provided with sheath, after described sheath is out of shape by external force pressure, net and female connector and bellows is connected to form overall structure; Described bellows and female connector are welded to connect; Described joint sets threaded one end as threaded end, the other end is connecting end, the external diameter of described joint screw thread end is less than the external diameter of its connecting end, the outer surface of joint is arranged with seam nut, the minimum-value aperture of described seam nut is greater than the external diameter of described joint screw thread end, is less than the external diameter of joint connecting end; The end face of described joint connecting end is set to spheric structure, plane or cone structure;
The thread joint face of described joint outer surface and described female connector internal surface is set to the thread joint face with certain taper, and makes described joint and form sealing thread between female connector and be connected; Also sealing material is provided with between described joint outer surface and female connector internal surface; Between described joint and female connector, the tapering of thread joint face is less than or equal to 5 degree; The hardness of the material of described joint and female connector and joint and female connector is different; Described bellows, net and joint are all be made up of stainless steel material, and described female connector is made up of copper or aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047905.XA CN103104769B (en) | 2013-02-06 | 2013-02-06 | Exempt from the explosion-proof flexible tube of soldering stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310047905.XA CN103104769B (en) | 2013-02-06 | 2013-02-06 | Exempt from the explosion-proof flexible tube of soldering stainless steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103104769A CN103104769A (en) | 2013-05-15 |
| CN103104769B true CN103104769B (en) | 2015-08-19 |
Family
ID=48312856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310047905.XA Expired - Fee Related CN103104769B (en) | 2013-02-06 | 2013-02-06 | Exempt from the explosion-proof flexible tube of soldering stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103104769B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692119A (en) * | 2018-04-04 | 2018-10-23 | 南京知行管业有限公司 | A kind of new type of safe stainless steel kitchen range connecting tube |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089351A (en) * | 1975-03-07 | 1978-05-16 | Avica Equipment Limited | Flexible metal hose unit |
| CN2473438Y (en) * | 2001-03-10 | 2002-01-23 | 张申正 | Improved metal soft tube |
| CN2572183Y (en) * | 2002-09-18 | 2003-09-10 | 郑三会 | Insertion type gas joint pipe |
| CN202521097U (en) * | 2012-03-28 | 2012-11-07 | 无锡商业职业技术学院 | Buckled and pressed metal flexible pipe structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB718261A (en) * | 1950-05-01 | 1954-11-10 | John Humphrey Millar | Improvements in or relating to flexible metallic hose and couplings therefor |
| DE3302450A1 (en) * | 1983-01-26 | 1984-07-26 | kabelmetal electro GmbH, 3000 Hannover | Connection between the end of a helically corrugated metal tube and a smooth tubular nozzle |
| CN2290746Y (en) * | 1995-06-30 | 1998-09-09 | 四川石油管理局南充炼油厂 | Corrugated nose joint |
| CN201731204U (en) * | 2009-04-23 | 2011-02-02 | 贵州航天精工制造有限公司 | Oil pipe assembly for being connected with fuel oil server of aircraft engine |
| CN203189928U (en) * | 2013-02-06 | 2013-09-11 | 姜堰市华劲管件厂 | Weld-free stainless steel anti-explosion flexible pipe |
-
2013
- 2013-02-06 CN CN201310047905.XA patent/CN103104769B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4089351A (en) * | 1975-03-07 | 1978-05-16 | Avica Equipment Limited | Flexible metal hose unit |
| CN2473438Y (en) * | 2001-03-10 | 2002-01-23 | 张申正 | Improved metal soft tube |
| CN2572183Y (en) * | 2002-09-18 | 2003-09-10 | 郑三会 | Insertion type gas joint pipe |
| CN202521097U (en) * | 2012-03-28 | 2012-11-07 | 无锡商业职业技术学院 | Buckled and pressed metal flexible pipe structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103104769A (en) | 2013-05-15 |
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