CN203703392U - Reducing flaring ripple connecting pipe - Google Patents
Reducing flaring ripple connecting pipe Download PDFInfo
- Publication number
- CN203703392U CN203703392U CN201320891856.3U CN201320891856U CN203703392U CN 203703392 U CN203703392 U CN 203703392U CN 201320891856 U CN201320891856 U CN 201320891856U CN 203703392 U CN203703392 U CN 203703392U
- Authority
- CN
- China
- Prior art keywords
- pipe
- hole enlargement
- supervisor
- connecting tube
- reducer pipe
- 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 - Lifetime
Links
- 230000007704 transition Effects 0.000 claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000137 annealing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Abstract
The utility model provides a reducing flaring ripple connecting pipe, which comprises expanded pipes set on two ends of a main pipe; the main pipe and the expanded pipes on the two ends are in transition connection by a variable diameter pipe; the expanded pipes and the orifice of a straight tube segment are in transition connection by the variable diameter pipe, and necking process is carried out to form the orifice of the straight tube segment, wherein, a helicon wave is made at the expanded pipe; the axial cross section of the variable diameter pipe is trapezoid, and the axial cross section of the expanded pipe without wave is rectangular; the variable diameter pipe and the orifice of the main pipe or the expanded pipes or the straight tube segment are connected to form an included angle, which is processed in smooth transition; the outer radius of circle of the smooth transition R=1.5-20mm, therefore, flow liquid or gas is prevented to form turbulent flow inside the pipe, and smooth and stable pressure conveyer pipe is guaranteed.
Description
Technical field
The present invention relates to a kind of corrugated connecting tube, concrete refer to a kind of reducing corrugated connecting tube that is easy to construction and installation and inner wall smooth being obtained by hole enlargement.
Background technique
At present, system connection is generally realized by corrugated connecting tube in the penstock road between equipment unit.In order to adapt to the needs of the inner diverse location of unit or modular construction, conventional corrugated connecting tube is divided into the fixing isometrical corrugated connecting tube of caliber and caliber has the reducing corrugated connecting tube that thickness changes.
Reducing corrugated connecting tube on existing market forms caliber difference by dwindling middle adapter and pipe end caliber, for example: application for a patent for invention: reducing endless corrugated connecting tube, application number is 200810196483.1; Utility application: reducing endless corrugated connecting tube, application number is 200820185933.2.
By be called as supervisor's the caliber of middle adapter and the reducing corrugated connecting tube that pipeline two ends caliber obtains in supervisor direct machining screw and reduced, in the process of dwindling at caliber, can cause its tube wall mutually to push formation fold, meanwhile, the reducer pipe arc transition forming is dwindled part can form sharp-featured step with supervisor's joining place, due to caliber fold and and supervisor step existence, in pipe, flowing liquid or gas easily form local turbulent flow, affect the smooth and easy and stable of entirety circulation.
Summary of the invention
Be inadequate for prior art, technical problem to be solved by this invention is, a kind of corrugated connecting tube of hole enlargement reducing is provided, by the locally expanded production technology of carrying out again round and smooth necking down in supervisor two ends, ensure that whole pipeline inner wall is uniform and smooth, reducer pipe rounding off dwindles part does not have the reducing corrugated connecting tube of corner angle step with supervisor's joining place, effectively avoids managing interior working fluid or gas forms turbulent flow, ensures the smooth and easy and stable of entirety circulation.
For solving the problems of the technologies described above, the technical solution used in the present invention is, a kind of corrugated connecting tube of hole enlargement reducing is provided, it is included in the supervisor that middle adapter two ends arrange, between supervisor and middle adapter, be connected by reducer pipe transition, between supervisor and the mouth of pipe, be connected by reducer pipe transition, it is characterized in that: the hole enlargement of described middle adapter two ends forms the supervisor who is connected by reducer pipe transition, supervisor's bottlenecking forms the mouth of pipe being connected by reducer pipe transition, reducer pipe longitudinal section is trapezoidal, and reducer pipe is set to circular arc chamfering with the angle that supervisor joint forms on longitudinal section.
The corrugated connecting tube of above-mentioned a kind of hole enlargement reducing, the angle that described reducer pipe and middle adapter joint form on longitudinal section is set to circular arc chamfering.
The corrugated connecting tube of above-mentioned a kind of hole enlargement reducing, the angle that described reducer pipe and mouth of pipe joint form on longitudinal section is set to circular arc chamfering.
The corrugated connecting tube of above-mentioned a kind of hole enlargement reducing, described nozzle diameter is identical with middle adapter diameter.
The corrugated connecting tube of above-mentioned a kind of hole enlargement reducing, the relation of the caliber of described middle adapter and hole enlargement ratio is as follows: in the time that caliber is 6-12mm, hole enlargement ratio is 1:1-1:1.2; In the time that caliber is 12-25mm, hole enlargement ratio is 1:1-1:1.5; When caliber is 25mm when above, hole enlargement ratio is 1:1-1:2.0.
The corrugated connecting tube of above-mentioned a kind of hole enlargement reducing, described reducer pipe is set to circular arc chamfering with the angle that supervisor joint forms on longitudinal section, and the exradius of this circular arc chamfering is R=2-10mm.
Tool of the present invention has the following advantages and useful technique effect:
1, reducing corrugated connecting tube of the present invention, can be widely used in stress metal delivery line, does not weld, and takes over main body tube wall in not destroying, and effectively ensures that its thickness is even, and inwall can not form fold; The reducer pipe at two ends is set to circular arc chamfering with the angle that supervisor joint forms; Make joining place there is no corner angle step, supervisor's inwall whole smooth, the lines flow smoothly, effectively avoids managing interior working fluid or gas and form turbulent flow, ensures the smooth and easy and stable of overall pipeline circulation.
2, reducing corrugated connecting tube profile smoothness of the present invention is attractive in appearance, does not have sharp-featured step projection, is more convenient to installation and use, effectively prevents that outer wall from scratching and collision injury installation personnel.
3, the present invention adopts the reducing corrugated connecting tube that the method for taking over hole enlargement in mother tube is produced; in the process of hole enlargement, adopt the mode of the mellow and full smooth profiling inner support body in surface and the clamping of outer protection body; effectively improve efficiency and the yield rate of hole enlargement step; the workload of processes significantly reduces, the acquisition cost simultaneously economizing in raw materials.
Brief description of the drawings
Fig. 1 is the hole enlargement reducing corrugated connecting tube structure cross-sectional schematic of inner wall smooth of the present invention;
Fig. 2 is the pipe structure cross-sectional schematic after production method second step of the present invention hole enlargement;
In above-mentioned figure: 1-supervisor, 2-reducer pipe and the angle of being responsible for joint formation, 3-reducer pipe, the angle that 4-reducer pipe and expansion tube joint form, 5-expansion tube, 6-corrugated thread groove, the angle that 7-reducer pipe and mouth of pipe joint form, the mouth of pipe of 8-straight length.
Embodiment
The hole enlargement reducing corrugated connecting tube of the inner wall smooth of the present embodiment, it is included in supervisor 1 two ends the expansion tube 5 obtaining by expanding technology is set, between supervisor 1 and two ends expansion tube 5, be connected by reducer pipe 3 transition, between the mouth of pipe 8 of expansion tube 5 and straight length, be connected by reducer pipe 3 transition, and carry out undergauge and process the mouth of pipe 8 that forms straight length, wherein form expansion tube 5 places in hole enlargement and make local ripple helical groove 6, we are call supervisor 1 without the pipeline of reducing processing, reducer pipe 3 axial cross sections are trapezoidal, expansion tube 5 axial cross sections of not making ripple are rectangular.
Between the pipeline sections such as the mouth of pipe 8 of reducer pipe 3 and supervisor 1 or expansion tube 5 or straight length, be connected formed angle and be processed as rounding off, the exradius of this rounding off is R=1.5～20mm.
The mouth of pipe 8 calibers of the straight length that supervisor 1 and two ends arrange equate, also can as required 8 hole enlargements of the mouth of pipe at two ends be become to unequal caliber, and the caliber of the expansion tube 5 that supervisor two ends arrange respectively equates or be unequal.
After supervisor 1 caliber and expander, the proportionate relationship of expansion tube 5 diameters is as follows: in the time that caliber is 4～12mm, hole enlargement ratio is 1:1～1:1.5; In the time that caliber is 12～25mm, hole enlargement ratio is 1:1～1:2; When caliber is 25mm when above, hole enlargement ratio is 1:1～1:2.5.
Producing as follows of the corrugated connecting tube of this hole enlargement reducing:
The first step, gets the raw materials ready: the mother tube of selected suitable caliber and wall thickness is as supervisor 1;
Second step, hole enlargement: hole enlargement is carried out to according to hole enlargement size in supervisor 1 two ends, in the process of hole enlargement, adopt the mode of the mellow and full smooth profiling inner support body in surface and the clamping of outer protection body to carry out, the expansion tube 5 that after hole enlargement, two ends form connects supervisor 1 by reducer pipe 3 transition, reducer pipe 3 is circular arc chamfering with the angle 2 that supervisor 1 joint forms on axial cross section, reducer pipe 3 is circular arc chamfering with the angle 4 that expansion tube 5 joints form on axial cross section, and the exradius of this rounding off is R=1.5～20mm;
The 3rd step, annealing: body after treatment second step is carried out to annealing in process;
The 4th step, annular knurl: the body after annealing is responsible for to 2 positions and carries out annular knurl processing, make its outer wall form waveform helical groove;
The 5th step, reducing: design caliber size is processed to by reducing and undergauge processing in expansion tube 5 two ends, form the mouth of pipe 8 of straight length, reducer pipe 3 is circular arc chamfering with the angle 7 that the mouth of pipe 8 joints of straight length form on axial cross section, and the exradius of this rounding off is R=1.5～20mm;
The 6th step, annealing: the 5th step body after treatment is carried out to annealing in process, complete materials processing;
Wherein, the variation of the pipe thickness in second step hole enlargement and the 5th step reducing is controlled at 5%～20%.
The proportionate relationship of above-mentioned supervisor's 1 caliber and expansion tube 5 diameters is as follows: in the time that caliber is 4～12mm, hole enlargement ratio is 1:1～1:1.5; In the time that caliber is 12～25mm, hole enlargement ratio is 1:1～1:2; When caliber is 25mm when above, hole enlargement ratio is 1:1～1:2.5.
The above, be only to preferred embodiment of the present invention, is not that the present invention is done to other forms of restriction, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every the present invention program's content that do not depart from, to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still belongs to protection scope of the present invention according to technical spirit of the present invention.
Claims (6)
1. the corrugated connecting tube of a hole enlargement reducing, it is included in the supervisor that middle adapter two ends arrange, between supervisor and middle adapter, be connected by reducer pipe transition, between supervisor and the mouth of pipe, be connected by reducer pipe transition, it is characterized in that: the hole enlargement of described middle adapter two ends forms the supervisor who is connected by reducer pipe transition, supervisor's bottlenecking forms the mouth of pipe being connected by reducer pipe transition, and reducer pipe longitudinal section is trapezoidal, and reducer pipe is set to circular arc chamfering with the angle that supervisor joint forms on longitudinal section.
2. the corrugated connecting tube of a kind of hole enlargement reducing according to claim 1, is characterized in that: the angle that described reducer pipe and middle adapter joint form on longitudinal section is set to circular arc chamfering.
3. the corrugated connecting tube of a kind of hole enlargement reducing according to claim 1 and 2, is characterized in that: the angle that described reducer pipe and mouth of pipe joint form on longitudinal section is set to circular arc chamfering.
4. the corrugated connecting tube of a kind of hole enlargement reducing according to claim 3, is characterized in that: described nozzle diameter is identical with middle adapter diameter.
5. the corrugated connecting tube of a kind of hole enlargement reducing according to claim 3, is characterized in that: the relation of the caliber of described middle adapter and hole enlargement ratio is as follows: in the time that caliber is 6-12mm, hole enlargement ratio is 1:1-1:1.2; In the time that caliber is 12-25mm, hole enlargement ratio is 1:1-1:1.5; When caliber is 25mm when above, hole enlargement ratio is 1:1-1:2.0.
6. the corrugated connecting tube of a kind of hole enlargement reducing according to claim 3, is characterized in that: described reducer pipe is set to circular arc chamfering with the angle that supervisor joint forms on longitudinal section, and the exradius of this circular arc chamfering is R=2-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891856.3U CN203703392U (en) | 2013-12-31 | 2013-12-31 | Reducing flaring ripple connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891856.3U CN203703392U (en) | 2013-12-31 | 2013-12-31 | Reducing flaring ripple connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703392U true CN203703392U (en) | 2014-07-09 |
Family
ID=51053837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891856.3U Expired - Lifetime CN203703392U (en) | 2013-12-31 | 2013-12-31 | Reducing flaring ripple connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190128518A1 (en) * | 2017-10-26 | 2019-05-02 | Olympia Chimney Supply, Inc. | Flexible Chimney Liner |
-
2013
- 2013-12-31 CN CN201320891856.3U patent/CN203703392U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190128518A1 (en) * | 2017-10-26 | 2019-05-02 | Olympia Chimney Supply, Inc. | Flexible Chimney Liner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103742730B (en) | A kind of production method of corrugated connecting tube of expanding reducing | |
| CN102644814B (en) | Large-diameter variable-diameter pipe joint and manufacturing method thereof | |
| CN202316817U (en) | Pipeline orifice expander | |
| CN201944456U (en) | Connecting pipe capable of being sheathed and fixed end to end | |
| CN203703392U (en) | Reducing flaring ripple connecting pipe | |
| CN209278692U (en) | Detachable seamless steel pipe with sliding shifting block | |
| CN205183358U (en) | Toper channels into tube drawing mould | |
| CN205183360U (en) | Arc channels into tube drawing mould | |
| CN103481514B (en) | A kind of plastics pipe interface technique | |
| CN102853709A (en) | Multi-double-pipe connecting structure for heat exchangers | |
| CN206572126U (en) | A kind of heavy wall stainless-steel pipe bend pipe | |
| CN104874638A (en) | Manufacturing process for equal wall thickness variable-diameter copper pipe | |
| CN102401195A (en) | Stainless steel reducing pipe and machining method thereof | |
| CN205207972U (en) | Activity pipe connections head | |
| CN203413257U (en) | Metal diameter-variable connecting pipe | |
| CN202831093U (en) | Connecting structure of water supply and drainage plastic tubes | |
| CN206998799U (en) | A kind of small-diameter, thin-walled stainless steel tube sealing ring gatherer | |
| CN203404540U (en) | Spherical four-way pipe fitting | |
| CN203147084U (en) | Large caliber thin-wall stainless steel spiral welded pipe | |
| CN204512765U (en) | Pipe line made up of full plastics reducing connection set | |
| CN204986171U (en) | Inside and outside silk straight joint of stainless steel | |
| CN206846163U (en) | Straight pipe pressure-balancing type expansion joint | |
| CN104033676A (en) | Pipeline joint | |
| CN210088242U (en) | Flaring type three-way transition joint for new energy automobile | |
| CN211763394U (en) | Combined sizing sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |