CN203189928U - Weld-free stainless steel anti-explosion flexible pipe - Google Patents
Weld-free stainless steel anti-explosion flexible pipe Download PDFInfo
- Publication number
- CN203189928U CN203189928U CN 201320069946 CN201320069946U CN203189928U CN 203189928 U CN203189928 U CN 203189928U CN 201320069946 CN201320069946 CN 201320069946 CN 201320069946 U CN201320069946 U CN 201320069946U CN 203189928 U CN203189928 U CN 203189928U
- Authority
- CN
- China
- Prior art keywords
- joint
- bellows
- cover
- stainless steel
- explosion
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a weld-free stainless steel anti-explosion flexible pipe. The weld-free stainless steel anti-explosion flexible pipe comprises a bellows, a net sleeve and a joint. The net sleeve wraps the outer surface of the bellows, the end portion of the bellows is connected with the joint, a connecting sleeve is arranged at the end portion of the bellows, a thread is arranged on the inner surface of the connecting sleeve, a thread matched with the connecting sleeve is arranged at one end of the joint, the bellows is connected with the connecting sleeve in a sealing mode, the connecting sleeve is connected with the joint through the thread, the connecting sleeve wraps the end portion of the net sleeve, a sheath is arranged on the outer surface of the net sleeve, the sheath ensures that the net sleeve, the connecting sleeve and the bellows are connected to form an integral structure after the sheath is deformed through external force compression, and a back up nut is arranged on the outer surface of the joint in a sleeved mode. The end portion of the bellows is connected with the joint through the thread by adopting the connecting sleeve, welding process between the bellows and the joint is eliminated, therefore, the technical requirements for operating workers are reduced, manufacturing difficulties are reduced, process of turning or polishing a welding face is eliminated at the same time, production efficiency is improved, and products are reliable in sealing, good in anti-explosion effect, high in connecting intensity, attractive in appearance, and not prone to rusting.
Description
Technical field
The utility model relates to metal bellows, adopt between especially a kind of bellows and the joint be threaded exempt from the explosion-proof flexible tube of soldering stainless steel.
Background technique
The existing explosion-proof flexible tube of stainless steel that is used for places such as mine, combustion gas generally comprises bellows, net and joint, and the outer surface of bellows is enclosed with the metal net, and the end of bellows is provided with joint.At present, all be to adopt to be welded to connect usually between the end of the existing explosion-proof flexible tube of stainless steel and the joint, and then adopt the method for turning processing or polishing to handle weld.This processing technology is comparatively complicated, welding operation is higher to workman's technical requirements, manufacture difficulty is big, even welding operation reaches standard fully, also need face of weld is carried out turning, polishing or polishing processing, the product design of Huo Deing still phenomenon attractive in appearance inadequately can occur like this, and the material of face of weld changes, and easily gets rusty.
The model utility content
At the deficiency of the explosion-proof flexible tube of above existing stainless steel, the purpose of this utility model provide adopt between a kind of bellows and the joint be threaded exempt from the explosion-proof flexible tube of soldering stainless steel.
The purpose of this utility model is achieved by the following technical solution:
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 and connects cover, and the internal surface that connects cover is provided with screw thread, and the outer surface of described joint one end is provided with and the described suitable screw thread of cover that connects, described bellows is tightly connected with connecing cover, connects cover and is connected with described joint by screw thread and fixes.
As optimal technical scheme of the present utility model, the described cover that connects is wrapped in the end of net, and the outer surface of net end is provided with sheath, described sheath by the external force pressure distortion after, with net with connect cover and bellows and be connected to form overall structure.
As optimal technical scheme of the present utility model, described bellows with connect the cover be welded to connect.
As optimal technical scheme of the present utility model, the end that described joint is provided with screw thread is 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 the seam nut, the minimum-value aperture of described seam nut is greater than the external diameter of described joint screw thread end, less than the external diameter of joint connecting end.
As optimal technical scheme of the present utility model, the end face of described joint connecting end is made as spheric structure.
As optimal technical scheme of the present utility model, the end face of described joint connecting end is made as plane or cone structure.
As optimal technical scheme of the present utility model, described joint outer surface and the described thread joint face that connects the cover internal surface are made as the thread joint face with certain taper, and make described joint and connect between the cover formation sealing thread and be connected.
As optimal technical scheme of the present utility model, described joint outer surface and connect cover and also be provided with sealing material between the internal surface.
As optimal technical scheme of the present utility model, described joint and the tapering that connects thread joint face between the cover are smaller or equal to 5 degree; Described joint has nothing in common with each other with the hardness that connects material and the joint of cover and connect cover.
As optimal technical scheme of the present utility model, described bellows, net and joint all are to be made by stainless steel material, and the described cover that connects is made by copper or aluminium material.
The beneficial effects of the utility model are: with respect to prior art, the employing of the utility model corrugated tube end connects cover and is connected with joint by screw thread, removed the welding procedure between bellows and the joint from, thereby the technical requirements to the operator reduces, manufacture difficulty reduces, removed from simultaneously face of weld is carried out turning, polishing or polishing manufacturing procedure, manufacturing efficiency improves.
The utility model is made as the conical surface with joint and the junction surface that connects cover, joint with connect cover material and hardness has nothing in common with each other; Joint and connect and be provided with sealing material between the cover, thus joint and the sealing effect that is connected that connects between the cover further strengthened.The utility model not only seals reliably, and explosion-proof effect is good, and the join strength height, and beautiful shape is difficult for getting rusty.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is fractionation structural representation of the present utility model;
Fig. 3 is that the utility model joint end face is the schematic representation of plane structure;
Fig. 4 is that the utility model joint end face is the schematic representation of cone structure.
Among the figure: 1, bellows, 2, net, 3, sheath, 4, connect cover, 5, the 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 and connects cover 4, and the internal surface that connects cover 4 is provided with screw thread, and the outer surface of joint 6 one ends is provided with the screw thread suitable with connecing cover 4 internal surface screw threads, described bellows 1 is tightly connected with connecing cover 4, connects cover 4 and is connected with joint 6 by screw thread and fixes.
In the present embodiment, describedly connect the end that cover 4 is wrapped in net 2, the outer surface of net 2 ends is provided with sheath 3, sheath 3 by the external force pressure distortion after, with net 2 with connect cover 4 and bellows 1 and be connected to form overall structure.Described bellows 1 with connect cover 4 and be welded to connect, the end that joint 6 is provided with screw thread is 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, less than the external diameter of joint 6 connecting ends.The end face of present embodiment joint 6 connecting ends is made as spheric structure 7.
Described joint 6 outer surfaces with connect the cover 4 internal surfaces thread joint face be made as the thread joint face with certain taper, make joint 6 with connect the cover 4 between formation sealing thread be connected.In the present embodiment, described joint 6 and the tapering that connects thread joint face between the cover 4 be smaller or equal to 5 degree, and joint 6 outer surfaces also are provided with sealing material with connecing to overlap between 4 internal surfaces; Joint 6 has nothing in common with each other with the hardness that connects cover 4 with the material that connects cover 4 and joint 6.The described bellows 1 of present embodiment, net 2 and joint 6 all are to be made by stainless steel material, and the described cover 4 that connects is made by copper or aluminium material.
As shown in Figure 3 and Figure 4, be other embodiment of the utility model, the end face of described joint 6 connecting ends is made as plane structure 8 or cone structure 9, in order to be applicable to different Placements.The employing of the utility model bellows connects cover and is connected with joint by screw thread, has removed the welding process between bellows and the joint from, has saved welding consumables, technical requirements reduces, manufacture difficulty reduces, and has removed from simultaneously face of weld is carried out turning, polishing or polishing processing, and manufacturing efficiency improves.
Claims (10)
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 and connects cover, and the internal surface that connects cover is provided with screw thread, and the outer surface of described joint one end is provided with and the described suitable screw thread of cover that connects, described bellows is tightly connected with connecing cover, connects cover and is connected with described joint by screw thread and fixes.
2. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 1, it is characterized in that: described connecing overlapped the end that is wrapped in net, the outer surface of net end is provided with sheath, and described sheath is by after the external force pressure distortion, with net with connect cover and bellows and be connected to form overall structure.
3. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 2 is characterized in that: described bellows with connect cover and be welded to connect.
4. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 1 and 2, it is characterized in that: the end that described joint is provided with screw thread is 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 the seam nut, the minimum-value aperture of described seam nut is greater than the external diameter of described joint screw thread end, less than the external diameter of joint connecting end.
5. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 4, it is characterized in that: the end face of described joint connecting end is made as spheric structure.
6. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 4, it is characterized in that: the end face of described joint connecting end is made as plane or cone structure.
7. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 1, it is characterized in that: described joint outer surface and the described thread joint face that connects the cover internal surface are made as the thread joint face with certain taper, and make described joint and connect between the cover formation sealing thread and be connected.
8. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 7 is characterized in that: described joint outer surface and connect between the cover internal surface and also be provided with sealing material.
9. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 7 is characterized in that: described joint and the tapering that connects thread joint face between the cover are smaller or equal to 5 degree; Described joint has nothing in common with each other with the hardness that connects material and the joint of cover and connect cover.
10. the explosion-proof flexible tube of soldering stainless steel of exempting from according to claim 1, it is characterized in that: described bellows, net and joint all are to be made by stainless steel material, the described cover that connects is made by copper or aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069946 CN203189928U (en) | 2013-02-06 | 2013-02-06 | Weld-free stainless steel anti-explosion flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069946 CN203189928U (en) | 2013-02-06 | 2013-02-06 | Weld-free stainless steel anti-explosion flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189928U true CN203189928U (en) | 2013-09-11 |
Family
ID=49106788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069946 Expired - Fee Related CN203189928U (en) | 2013-02-06 | 2013-02-06 | Weld-free stainless steel anti-explosion flexible pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189928U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104769A (en) * | 2013-02-06 | 2013-05-15 | 姜堰市华劲管件厂 | Stainless steel anti-explosion flexible pipe free of welding |
| CN104180099A (en) * | 2014-08-29 | 2014-12-03 | 成都科信达实业有限公司 | Corrugated pipe and joint connecting structure |
| CN111278277A (en) * | 2017-10-26 | 2020-06-12 | 利拉伐控股有限公司 | Connector for a teat cup to be attached to a teat of an animal to be milked and teat cup |
-
2013
- 2013-02-06 CN CN 201320069946 patent/CN203189928U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104769A (en) * | 2013-02-06 | 2013-05-15 | 姜堰市华劲管件厂 | Stainless steel anti-explosion flexible pipe free of welding |
| CN104180099A (en) * | 2014-08-29 | 2014-12-03 | 成都科信达实业有限公司 | Corrugated pipe and joint connecting structure |
| CN111278277A (en) * | 2017-10-26 | 2020-06-12 | 利拉伐控股有限公司 | Connector for a teat cup to be attached to a teat of an animal to be milked and teat cup |
| US11533886B2 (en) | 2017-10-26 | 2022-12-27 | Delaval Holding Ab | Connector for a teatcup to be attached to the teat of an animal to be milked, and a teatcup |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203189928U (en) | Weld-free stainless steel anti-explosion flexible pipe | |
| CN103104769B (en) | Exempt from the explosion-proof flexible tube of soldering stainless steel | |
| CN203189905U (en) | Weld-free metal bellows | |
| CN204017509U (en) | A kind of tobacco spice filtering tank cover plate attaching/detaching apparatus | |
| CN203453680U (en) | A welding-free metal flexible pipe | |
| CN103133791A (en) | Welding-free metal bellows | |
| CN201982862U (en) | Main pipe and branch pipe connecting structure for piping component | |
| CN203508305U (en) | Weld joint sealant muzzle device | |
| CN102294533A (en) | titanium and titanium alloy welding process | |
| CN103410877A (en) | Method for connecting titanium aluminum turbine and steel shaft | |
| CN201909126U (en) | Pipe fitting connecting element | |
| CN204397140U (en) | For the improvement moldeed depth bead weld welding head of common automatic submerged-arc welding machine | |
| CN204114391U (en) | Metal bellows jointing | |
| CN202660135U (en) | 90-DEG elbow pipe joint | |
| CN204494077U (en) | Increase the structure that end socket pressurized hole improves pipeline flexibility | |
| CN202769135U (en) | Fast connecting device for metal composite base vacuumizing | |
| CN213040015U (en) | Hydraulic fluid spare hard tube connects | |
| CN204321426U (en) | A kind of pipeline soldering connecting structure | |
| CN203863232U (en) | Brush sleeve inside welding die | |
| CN102720903A (en) | Connecting method for plastic composite pipes of steel wire mesh framework and connecting element used in connecting method | |
| CN202901623U (en) | Concentric joint of pressing groove | |
| CN204664728U (en) | A kind of compressor taper connection pipe assembly | |
| CN202814089U (en) | Furnace shell structure of induction heating furnace | |
| CN205208021U (en) | Spout oil pipe sheath | |
| CN201875306U (en) | Copper-aluminum connecting tube joint structure with two shrunk ends |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20150206 |
|
| EXPY | Termination of patent right or utility model |