CN108119713A - A kind of combined type flexible Pressuretight sylphon bellows - Google Patents
A kind of combined type flexible Pressuretight sylphon bellows Download PDFInfo
- Publication number
- CN108119713A CN108119713A CN201711376924.1A CN201711376924A CN108119713A CN 108119713 A CN108119713 A CN 108119713A CN 201711376924 A CN201711376924 A CN 201711376924A CN 108119713 A CN108119713 A CN 108119713A
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- China
- Prior art keywords
- connecting tube
- end connecting
- pipe
- tube
- combined type
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- 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.)
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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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/026—Universal and axially displaceable joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a kind of combined type flexible Pressuretight sylphon bellows, including first end connecting tube, second end connecting tube, Curved Corrugated pipe, the both ends of the Curved Corrugated pipe are connected respectively with first end connecting tube and second end connecting tube, the Curved Corrugated pipe is turgor pressure molding structure, and bent portion is provided in the first end connecting tube and/or second end connecting tube.A kind of combined type flexible Pressuretight sylphon bellows of the present invention, using the form of combination connection, adjust straight tube can as a whole pipe range adjusting compensation, avoid occurring tubular length and the unmatched problem of actual installation size in installation process, Curved Corrugated pipe is turgor pressure molding structure, it adds the flexibility of bellows while effectively absorbs vibrational energy, bent portion bends shaping on bending machine by mold, the service life of part can effectively be extended, strong applicability of the present invention, it is of low cost, crushing resistance is strong, service life is long, with flexible, light weight, it is corrosion-resistant, it is antifatigue, the advantages of high-low temperature resistant.
Description
【Technical field】
The present invention relates to the technical field of conveying pipe fitting, more particularly to a kind of combined type flexible Pressuretight sylphon bellows.
【Background technology】
Bellows is installed in liquid conveying system, as a kind of flexible pressure-resistant pipe fitting to compensate pipeline or machine, set
The effects that mutual displacement of standby connecting pin absorbs vibrational energy, can play vibration damping, noise reduction has flexible, light weight, resistance to
The multinomial features such as burn into is antifatigue, high-low temperature resistant.Pipe fitting generally use steel tube bending of the prior art is molded, rotation ripple
Technique and the technique of built-in hose are produced, there are it is following the problem of:1), steel tube bending completed state:It is bent using pipe
Processing and forming forms, and is applied for the relatively low position of some matching requirements.Although low processing cost, it is not suitable with
Some Oscillation Amplitudes are larger, the position of amplitude time length, while service life is shorter;2) ripple state, is rotated:Using rotation
Technique carries out part rotation ripple processing, and part is generally processed using 0.3~0.5mm sheet steel pipes, since part tube wall is relatively thin, part
Service life it is relatively low;3), built-in hose state:Using centre polythene material hose, both ends use the technique of connector, add
Work hose, part processing cost is high, is generally used under hyperbaric environment.In addition, current bellows is usually integral type
Structure, often result in during installation tubular length with the unmatched problem of actual installation size, it is necessary to replace in time,
Otherwise installation period is delayed.In order to solve problem above, it is necessary to propose a kind of combined type flexible Pressuretight sylphon bellows.
【The content of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of combined type flexible Pressuretight sylphon bellows are provided,
It is aimed to solve the problem that using the technique productions of steel tube bending shaping, rotation damascene process and built-in hose to be existed in the prior art and is applicable in
Property low, service life is short and the problem of high processing costs, and using the structure of integral type, managed during often resulting in installation
Part length and the unmatched technical problem of actual installation size.
To achieve the above object, the present invention proposes a kind of combined type flexible Pressuretight sylphon bellows, including first end connecting tube,
Second end connecting tube, Curved Corrugated pipe, the both ends of the Curved Corrugated pipe are connected respectively with first end connecting tube and second end
Pipe connects, and the Curved Corrugated pipe is turgor pressure molding structure, and with the annular corrugated ring of turgor pressure on Curved Corrugated pipe, it is described
Bent portion is provided in first end connecting tube and/or second end connecting tube.
Preferably, further include adjusting straight tube, between the first end connecting tube and Curved Corrugated pipe and/or second end
It is connected between connecting tube and Curved Corrugated pipe by adjusting straight tube.
Preferably, the first end connecting tube, second end connecting tube, Curved Corrugated pipe and adjust straight tube tube body it is equal
It is welded by steel band and forms circular tube structure.
Preferably, the steel band uses the 304L stainless steels of 0.8mm-1.0mm thickness.
Preferably, the length of the adjusting straight tube can be according to the different length specification of actual installation Demand Design.
Preferably, the first end connecting tube, second end connecting tube, Curved Corrugated pipe and adjust straight tube both ends it is equal
Flange of the welding equipped with mounting hole, and connected between each other by flange fitted bolt.
Preferably, being provided with several circle seal grooves on the outer end face of the flange, pass through between two connected flanges
Sealing ring, which is arranged in seal groove, realizes sealed connection.
Preferably, bent portion is both provided in the first end connecting tube and second end connecting tube, described first
Hold axial curving of the bent portion along first end connecting tube in connecting tube, the bent portion in the second end connecting tube
Along the axial curving of second end connecting tube.
Preferably, the bent portion is to bend molding structure by mold on bending machine.
The invention also provides a kind of processing methods of combined type flexible Pressuretight sylphon bellows, include the following steps:
By steel band by rolling, welding, and pipe is made according to the cut-out shaping of different pipe range length in S1, pipe processing, right
The straight pipe of different length is cut directly into the pipe for being processed into adjusting straight tube;
S2, bending tube forming for being processed into the pipe of first end connecting tube and second end connecting tube, pass through on bending machine
Pipe is needed size to be bent into bent portion by mold according to drawing;
S3, turgor pressure ring ripple for being processed into the pipe of Curved Corrugated pipe, are added according to drawing requirement using turgor pressure moulding process
Work goes out the annular corrugated ring of turgor pressure;
S4, flange assembling and welding, use at the both ends for the straight pipe for bending shaping, turgor pressure shaping and different length
Soldering processes carry out the welding of flange, respectively obtain first end connecting tube, second end connecting tube, Curved Corrugated pipe and adjust straight
Pipe;
S5, class wrapping.
Beneficial effects of the present invention:Compared with prior art, a kind of combined type flexible Pressuretight sylphon bellows provided by the invention,
It is rational in infrastructure, using first end connecting tube, second end connecting tube, Curved Corrugated pipe and the form for adjusting straight tube combination connection, adjust
Save straight tube can pipe range as a whole adjusting compensation, avoid occurring during installation tubular length with actual installation size not
The problem of matching, it is only necessary to which the adjusting straight tube for taking several different length specifications can meet the needs of different installations;Bending wave
Line pipe is turgor pressure molding structure, not only increases the flexibility of bellows, while can effectively absorb vibrational energy, plays damping noise reducing
Effect;By setting bent portion in first end connecting tube and second end connecting tube, to adapt to pipeline or machine, equipment connecting pin
Installation space facilitates installation, and bent portion bends shaping on bending machine by mold, using bent tube technique rather than uses
Technique as rotated ripple can effectively extend the service life of part.A kind of combined type flexible Pressuretight sylphon bellows of the present invention, are fitted
Strong with property, of low cost, crushing resistance is strong, and service life is long, has flexible, light weight, corrosion-resistant, antifatigue, high-low temperature resistant
The advantages of.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of explosive view of combined type flexible Pressuretight sylphon bellows of the embodiment of the present invention;
Fig. 2 is schematic diagram after a kind of assembling of combined type flexible Pressuretight sylphon bellows of the embodiment of the present invention;
Fig. 3 is the end view of the flange of the embodiment of the present invention.
【Specific embodiment】
Understand to make the object, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of combined type flexible Pressuretight sylphon bellows, is connected including first end
Pipe 1, second end connecting tube 2, Curved Corrugated pipe 3, the both ends of the Curved Corrugated pipe 3 respectively with first end connecting tube 1 and
Two end connecting tubes 2 connect, and the Curved Corrugated pipe 3 is turgor pressure molding structure, and turgor pressure circumferential wave is carried on Curved Corrugated pipe 3
Line ring 31 is provided with bent portion 4 in the first end connecting tube 1 and/or second end connecting tube 2.
Further, further include and adjust straight tube 5, between the first end connecting tube 1 and Curved Corrugated pipe 3 and/or the
It is connected between two end connecting tubes 2 and Curved Corrugated pipe 3 by adjusting straight tube 5.
Further, the first end connecting tube 1, second end connecting tube 2, Curved Corrugated pipe 3 and the pipe for adjusting straight tube 5
Body is welded to form circular tube structure by steel band, and the steel band uses the 304L stainless steels of 0.8mm-1.0mm thickness, reference material
Standard U.S. ASTM is produced, and can increase corrosion-resistant, antifatigue, high-low temperature resistant the performance of part.
Wherein, the length of the adjusting straight tube 5 can be utilized according to the different length specification of actual installation Demand Design
It adjusts straight tube 5 and conciliation compensation is done to tube body overall length, meet different production requirements, therefore can be to first end connecting tube 1, second end
Connecting tube 2, Curved Corrugated pipe 3 and adjusting straight tube 5 carry out mass production, and the specification for producing different length adjusts straight tube 5,
During actual assembled, it is only necessary to the adjusting straight tube 5 of same caliber different length specification is carried, according to actual installation requirements
It is assembled, meets different installation requirements, during actual assembled, if in first end connecting tube 1 and second end connecting tube 2
Bent portion 4 and machine, equipment interfere, also can adjust straight tube 5 in connection in first end connecting tube 1 and second end connecting tube 2,
To adapt to pipeline or machine, the installation space of equipment connecting pin.
Further, the two of the first end connecting tube 1, second end connecting tube 2, Curved Corrugated pipe 3 and adjusting straight tube 5
End flange 6 of the welding equipped with mounting hole 61, and being connected between each other by 6 fitted bolt of flange, outside the flange 6
Several circle seal grooves 62 are provided on end face, be arranged on by sealing ring in seal groove 62 between two connected flanges 6 realize it is close
Envelope connection.
Further, bent portion 4 is both provided in the first end connecting tube 1 and second end connecting tube 2, it is described
Axial curving of the bent portion 4 along first end connecting tube 1 in first end connecting tube 1, in the second end connecting tube 2
Axial curving of the bent portion 4 along second end connecting tube 2.
In embodiments of the present invention, the bent portion 4 is to bend molding structure by mold on bending machine.
The invention also provides a kind of processing methods of combined type flexible Pressuretight sylphon bellows, are as follows:
By steel band by rolling, welding, and pipe is made according to the cut-out shaping of different pipe range length in S1, pipe processing, right
The straight pipe of different length is cut directly into the pipe for being processed into adjusting straight tube 5;
S2, bending tube forming for being processed into the pipe of first end connecting tube 1 and second end connecting tube 2, lead on bending machine
Cross mold needs size to be bent into bent portion 4 pipe according to drawing;
For being processed into the pipe of Curved Corrugated pipe 3, turgor pressure moulding process is used according to drawing requirement for S3, turgor pressure ring ripple
Process the annular corrugated ring 31 of turgor pressure;
S4, flange assembling and welding, use at the both ends for the straight pipe for bending shaping, turgor pressure shaping and different length
Soldering processes carry out the welding of flange 6, respectively obtain first end connecting tube 1, second end connecting tube 2, Curved Corrugated pipe 3 and adjust
Straight tube 5;
S5, class wrapping.
A kind of combined type flexible Pressuretight sylphon bellows of the present invention, using first end connecting tube 1, second end connecting tube 2, bending wave
Line pipe 3 and adjust straight tube 5 combination connection form, adjust straight tube 5 can as a whole pipe range adjusting compensation, avoid in installation
Occur tubular length and the unmatched problem of actual installation size in the process, it is only necessary to take the adjusting of several different length specifications
Straight tube 5 can meet the needs of different installations;Curved Corrugated pipe 3 is turgor pressure molding structure, not only increases the flexibility of bellows,
Vibrational energy can be effectively absorbed simultaneously, plays the effect of damping noise reducing;By being set in first end connecting tube 1 and second end connecting tube 2
Bent portion 4 is put, to adapt to pipeline or machine, the installation space of equipment connecting pin, facilitates installation, and bent portion 4 is on bending machine
Shaping is bent by mold, using bent tube technique rather than using the technique as rotated ripple, the shape for a long time in vibration
State easily allows the angle of part generate the service life that fatigue fracture extends part.A kind of combined type flexible of the present invention is resistance to
Bellows is pressed, strong applicability is of low cost, and crushing resistance is strong, and service life is long, has flexible, light weight, corrosion-resistant, anti-tired
The advantages of labor, high-low temperature resistant.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of combined type flexible Pressuretight sylphon bellows, it is characterised in that:Including first end connecting tube (1), second end connecting tube
(2), Curved Corrugated pipe (3), the both ends of the Curved Corrugated pipe (3) are connected respectively with first end connecting tube (1) and second end
(2) connection is managed, the Curved Corrugated pipe (3) is turgor pressure molding structure, and annular corrugated with turgor pressure on Curved Corrugated pipe (3)
Ring (31) is provided with bent portion (4) in the first end connecting tube (1) and/or second end connecting tube (2).
2. a kind of combined type flexible Pressuretight sylphon bellows as described in claim 1, it is characterised in that:It further includes and adjusts straight tube (5),
Between the first end connecting tube (1) and Curved Corrugated pipe (3) and/or second end connecting tube (2) and Curved Corrugated pipe (3) it
Between by adjust straight tube (5) connect.
3. a kind of combined type flexible Pressuretight sylphon bellows as claimed in claim 2, it is characterised in that:The first end connecting tube
(1), the tube body of second end connecting tube (2), Curved Corrugated pipe (3) and adjusting straight tube (5) is welded to form circular tube structure by steel band.
4. a kind of combined type flexible Pressuretight sylphon bellows as claimed in claim 3, it is characterised in that:The steel band uses
The 304L stainless steels of 0.8mm-1.0mm thickness.
5. a kind of combined type flexible Pressuretight sylphon bellows as claimed in claim 2, it is characterised in that:The adjusting straight tube (5)
Length can be according to the different length specification of actual installation Demand Design.
6. a kind of combined type flexible Pressuretight sylphon bellows as claimed in claim 2, it is characterised in that:The first end connecting tube
(1), the method equipped with mounting hole (61) is welded at the both ends of second end connecting tube (2), Curved Corrugated pipe (3) and adjusting straight tube (5)
Blue (6), and connected between each other by flange (6) fitted bolt.
7. a kind of combined type flexible Pressuretight sylphon bellows as claimed in claim 6, it is characterised in that:Outside the flange (6)
Several circle seal grooves (62) are provided on end face, are arranged between connected two flanges (6) by sealing ring in seal groove (62)
It realizes and is tightly connected.
8. a kind of combined type flexible Pressuretight sylphon bellows as described in claim 1, it is characterised in that:The first end connecting tube
(1) and in second end connecting tube (2) it is both provided with bent portion (4), bent portion (4) edge in the first end connecting tube (1)
The axial curving of first end connecting tube (1), the bent portion (4) in the second end connecting tube (2) is along second end
The axial curving of connecting tube (2).
9. a kind of combined type flexible Pressuretight sylphon bellows as described in claim 1 or 8, it is characterised in that:The bent portion (4)
It is that molding structure is bent by mold on bending machine.
10. a kind of processing method of combined type flexible Pressuretight sylphon bellows, it is characterised in that:Include the following steps:
By steel band by rolling, welding, and pipe is made according to the cut-out shaping of different pipe range length, for adding in S1, pipe processing
Work is cut directly into the straight pipe of different length into the pipe for adjusting straight tube (5);
S2, bending tube forming for being processed into the pipe of first end connecting tube (1) and second end connecting tube (2), lead on bending machine
Cross mold needs size to be bent into bent portion (4) pipe according to drawing;
S3, turgor pressure ring ripple for being processed into the pipe of Curved Corrugated pipe (3), are added according to drawing requirement using turgor pressure moulding process
Work goes out the annular corrugated ring of turgor pressure (31);
S4, flange assembling and welding are bending the both ends of the straight pipe of shaping, turgor pressure shaping and different length using soldering
Technique carry out flange (6) welding, respectively obtain first end connecting tube (1), second end connecting tube (2), Curved Corrugated pipe (3) and
Adjust straight tube (5);
S5, class wrapping.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711376924.1A CN108119713A (en) | 2017-12-19 | 2017-12-19 | A kind of combined type flexible Pressuretight sylphon bellows |
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CN201711376924.1A CN108119713A (en) | 2017-12-19 | 2017-12-19 | A kind of combined type flexible Pressuretight sylphon bellows |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111396676A (en) * | 2020-04-27 | 2020-07-10 | 南京晨光东螺波纹管有限公司 | Displacement compensation device of arc-shaped heat pipe and installation method thereof |
Citations (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08145270A (en) * | 1994-11-22 | 1996-06-07 | Showa Sci:Kk | Vibration resisting device |
DE19722603C1 (en) * | 1997-05-30 | 1998-08-13 | Witzenmann Metallschlauchfab | More durable flexible tube section for hot exhaust gases from vehicular internal combustion engines |
JP2000120970A (en) * | 1998-08-12 | 2000-04-28 | Fujita Corp | Bent pipe, piping method using it, and fireproof structure for bent pipe part |
JP2001065747A (en) * | 1999-08-24 | 2001-03-16 | Inax Corp | Connection pipe and connection method thereof |
CN2479075Y (en) * | 2001-05-01 | 2002-02-27 | 蔡建敏 | Bathtub faucet |
JP2002195464A (en) * | 2000-12-28 | 2002-07-10 | Toyo Tire & Rubber Co Ltd | Flexible tube, joint for flexible tube, and manufacturing method therefor |
JP2003074957A (en) * | 2001-09-04 | 2003-03-12 | Kurimoto Ltd | Duct for air conditioning |
US20060061092A1 (en) * | 2004-09-20 | 2006-03-23 | Keyes Thomas J | High temperature line expansion installation with bellows |
JP2010228666A (en) * | 2009-03-27 | 2010-10-14 | Inoac Corp | Duct |
JP2010255190A (en) * | 2009-04-21 | 2010-11-11 | National Agriculture & Food Research Organization | Siphon groundwater level control system |
CN102003593A (en) * | 2010-12-13 | 2011-04-06 | 浙江银轮机械股份有限公司 | Corrugated tube and helix tube combined displacement compensator |
JP2011075046A (en) * | 2009-09-30 | 2011-04-14 | Honda Motor Co Ltd | Flexible tube |
CN202109117U (en) * | 2011-06-15 | 2012-01-11 | 浙江方圆机电设备制造有限公司 | Air-cooling tube |
CN202561295U (en) * | 2012-04-27 | 2012-11-28 | 江阴市液压油管有限公司 | Thin-wall stainless steel corrugated pipe |
JP2013017318A (en) * | 2011-07-05 | 2013-01-24 | Yazaki Corp | Partially-molded corrugate tube |
CN202768203U (en) * | 2012-08-21 | 2013-03-06 | 浙江方圆机电设备制造有限公司 | Novel decompression oil nozzle assembly |
CN203361657U (en) * | 2013-07-26 | 2013-12-25 | 中冶天工上海十三冶建设有限公司 | Pump pipe universal rotation device for fixed pump |
CN103925120A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | EGR connection tube assembly of engine |
CN204573350U (en) * | 2015-01-30 | 2015-08-19 | 天津市鹤鼎工贸有限公司 | Internal-combustion engine connecting tube |
CN105082428A (en) * | 2015-07-22 | 2015-11-25 | 南京红宝丽新材料有限公司 | Material distribution boom assembly used for polyurethane insulation board continuous production line |
CN205781503U (en) * | 2016-05-23 | 2016-12-07 | 浙江创格科技有限公司 | A kind of flexible pressure-resistant corrugated tube |
CN106623485A (en) * | 2017-03-07 | 2017-05-10 | 福州诺贝尔福基机电有限公司 | Turbocharging oil return pipe forming device and process |
CN206578168U (en) * | 2017-03-07 | 2017-10-24 | 福州诺贝尔福基机电有限公司 | Straight tube corrugation forming apparatus |
CN207880246U (en) * | 2017-12-19 | 2018-09-18 | 浙江方圆机电设备制造有限公司 | A kind of combined type flexible Pressuretight sylphon bellows |
-
2017
- 2017-12-19 CN CN201711376924.1A patent/CN108119713A/en active Pending
Patent Citations (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08145270A (en) * | 1994-11-22 | 1996-06-07 | Showa Sci:Kk | Vibration resisting device |
DE19722603C1 (en) * | 1997-05-30 | 1998-08-13 | Witzenmann Metallschlauchfab | More durable flexible tube section for hot exhaust gases from vehicular internal combustion engines |
JP2000120970A (en) * | 1998-08-12 | 2000-04-28 | Fujita Corp | Bent pipe, piping method using it, and fireproof structure for bent pipe part |
JP2001065747A (en) * | 1999-08-24 | 2001-03-16 | Inax Corp | Connection pipe and connection method thereof |
JP2002195464A (en) * | 2000-12-28 | 2002-07-10 | Toyo Tire & Rubber Co Ltd | Flexible tube, joint for flexible tube, and manufacturing method therefor |
CN2479075Y (en) * | 2001-05-01 | 2002-02-27 | 蔡建敏 | Bathtub faucet |
JP2003074957A (en) * | 2001-09-04 | 2003-03-12 | Kurimoto Ltd | Duct for air conditioning |
US20060061092A1 (en) * | 2004-09-20 | 2006-03-23 | Keyes Thomas J | High temperature line expansion installation with bellows |
JP2010228666A (en) * | 2009-03-27 | 2010-10-14 | Inoac Corp | Duct |
JP2010255190A (en) * | 2009-04-21 | 2010-11-11 | National Agriculture & Food Research Organization | Siphon groundwater level control system |
JP2011075046A (en) * | 2009-09-30 | 2011-04-14 | Honda Motor Co Ltd | Flexible tube |
CN102003593A (en) * | 2010-12-13 | 2011-04-06 | 浙江银轮机械股份有限公司 | Corrugated tube and helix tube combined displacement compensator |
CN202109117U (en) * | 2011-06-15 | 2012-01-11 | 浙江方圆机电设备制造有限公司 | Air-cooling tube |
JP2013017318A (en) * | 2011-07-05 | 2013-01-24 | Yazaki Corp | Partially-molded corrugate tube |
CN202561295U (en) * | 2012-04-27 | 2012-11-28 | 江阴市液压油管有限公司 | Thin-wall stainless steel corrugated pipe |
CN202768203U (en) * | 2012-08-21 | 2013-03-06 | 浙江方圆机电设备制造有限公司 | Novel decompression oil nozzle assembly |
CN203361657U (en) * | 2013-07-26 | 2013-12-25 | 中冶天工上海十三冶建设有限公司 | Pump pipe universal rotation device for fixed pump |
CN103925120A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | EGR connection tube assembly of engine |
CN204573350U (en) * | 2015-01-30 | 2015-08-19 | 天津市鹤鼎工贸有限公司 | Internal-combustion engine connecting tube |
CN105082428A (en) * | 2015-07-22 | 2015-11-25 | 南京红宝丽新材料有限公司 | Material distribution boom assembly used for polyurethane insulation board continuous production line |
CN205781503U (en) * | 2016-05-23 | 2016-12-07 | 浙江创格科技有限公司 | A kind of flexible pressure-resistant corrugated tube |
CN106623485A (en) * | 2017-03-07 | 2017-05-10 | 福州诺贝尔福基机电有限公司 | Turbocharging oil return pipe forming device and process |
CN206578168U (en) * | 2017-03-07 | 2017-10-24 | 福州诺贝尔福基机电有限公司 | Straight tube corrugation forming apparatus |
CN207880246U (en) * | 2017-12-19 | 2018-09-18 | 浙江方圆机电设备制造有限公司 | A kind of combined type flexible Pressuretight sylphon bellows |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111396676A (en) * | 2020-04-27 | 2020-07-10 | 南京晨光东螺波纹管有限公司 | Displacement compensation device of arc-shaped heat pipe and installation method thereof |
CN111396676B (en) * | 2020-04-27 | 2024-04-12 | 南京晨光东螺波纹管有限公司 | Displacement compensation device of arc-shaped heat pipe and installation method thereof |
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