CN103438320A - Bi-direction balance type bellows compensator - Google Patents
Bi-direction balance type bellows compensator Download PDFInfo
- Publication number
- CN103438320A CN103438320A CN2013103703540A CN201310370354A CN103438320A CN 103438320 A CN103438320 A CN 103438320A CN 2013103703540 A CN2013103703540 A CN 2013103703540A CN 201310370354 A CN201310370354 A CN 201310370354A CN 103438320 A CN103438320 A CN 103438320A
- Authority
- CN
- China
- Prior art keywords
- adapter
- pipe
- bellows
- connection pipe
- fixedly connected
- 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.)
- Granted
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a bi-direction balance type bellows compensator which comprises a left connection pipe, a ring cover, bellows, a guide pipe, an inner pipe, an outer pipe, a middle connection pipe, padding and a right connection pipe. The left connection pipe and the right connection pipe are thin-wall pipes, and one end of each thin-wall pipe is provided with a flange edge. The ends of the two thin-wall pipes are coaxially arranged in the mode of facing outside. Inner holes of the flange edges are respectively connected with the bellows in a sealing mode. The middle connection pipe in the middle is connected with the other ends of the bellows on the two sides in a sealing mode. The guide pipe and the inner pipe are coaxially arranged in inner cavities of the bellows together in a sleeved mode. The left end of the guide pipe is fixedly connected with the left connection pipe, and the right end of the inner pipe is fixedly connected with the right connection pipe. The outer pipe is a straight pipe covering the bellows in a sleeved mode. The flange edge of the left connection pipe and the flange edge of the right connection pipe are in clearance fit with the inner wall of the outer pipe. The inner wall of the outer pipe in the middle is fixedly connected with the middle connection pipe. The two ends of the outer pipe are respectively and fixedly connected with the ring cover. The padding is filled into the portion between the flange edges of the left connection pipe and the right connection pipe and the ring cover for forming a slide sealing pair. The bi-direction balance type bellows compensator of an integrated structure is small in axial dimension, and the two bellows can achieve the single-direction or bi-direction compensation motion and the balance motion synchronously.
Description
Technical field
The present invention relates to a kind of pipe safety device, specifically, the present invention relates to a kind of bidirectional balanced formula corrugated expansion joint for extraction duct end thrust and compensating axial displacement.
Background technique
Change when the temperature of industry heat supply network built-in medium and pressure, certainly lead to thereupon and there is destructive axial displacement and end thrust, in order to ensure the network security operation, in engineering usually at pipe network related node place configuring pipes compensator.Corrugated expansion joint is traditional product, obtains the popularization application in industrial heat supply network, and it utilizes the flexibility of bellows to absorb end thrust or the axial displacement of compensation pipeline.The corrugated expansion joint of prior art, because being subject to structural limitations, only allows the medium one-way flow, that is to say the corrugated expansion joint of prior art, can only do unidirectional absorption end thrust or Pipelines with Single Direction Compensation axial displacement.For some built-in media, the mobile heat supply network of break-in is arranged, two opposing compensators are installed in the node pipeline, although this kind of structure can play bidirectional compensating and absorption, but complex structure, size is large, the stent size matched is corresponding increasing also, has consequently increased user's user cost.
Summary of the invention
The present invention can only Pipelines with Single Direction Compensation mainly for prior art or the deficiency of unidirectional absorption, a kind of bidirectional balanced formula corrugated expansion joint is proposed, this compensator structure is simple, axial dimension is short, compensation is flexible, absorption is quick, the most important thing is that MEDIA FLOW is to not limitting, two-way equivalent.
The present invention is achieved through the following technical solutions technical goal.
Bidirectional balanced formula corrugated expansion joint, it comprises left adapter, ring cowling, bellows, honeycomb duct, inner tube, outer tube, middle adapter, filler and right adapter.Described left adapter and right adapter are thin walled tube, inner tube wall is provided with a shoulder, be provided with the flange edge of evagination near shoulder pipe end outer wall, coaxial left adapter and right adapter thin-walled pipe end are outwardly opposing, in the endoporus of flange edge, respectively co-axial seal connects bellows, and the be tightly connected bellows the other end of both sides of middle adapter placed in the middle forms the conventional axial collocation structure.Described honeycomb duct and inner tube are straight tube, two ends are provided with the reaming mouth of pipe, honeycomb duct and inner tube coaxial sleeve amount to being placed in the bellows inner chamber, the honeycomb duct left end is fixedly connected between the built-in shoulder of left adapter and flange edge on inwall, and the honeycomb duct right-hand member contains the built-in shoulder of right adapter and forms the left lateral limit structure.The inner tube right-hand member is fixedly connected on right nozzle inner wall middle part, and left end contains the built-in shoulder of left adapter and forms the right lateral limit structure.Its improvements are: the straight tube that described outer tube is enclosure nose balance structure, the flange edge of left adapter and right adapter and outer tube wall Spielpassung, the wall middle position is fixedly connected with middle adapter within the outer tube, formation be take the relatively independent equilibrium structure of two joints that middle adapter is boundary, the outer tube two ends are fixedly connected with respectively ring cowling, fill filler and form sliding sealing pair between the flange edge of left adapter and right adapter and relative ring cowling.
The left adapter of said structure and right adapter bore equate, middle adapter endoporus and honeycomb duct Spielpassung.
The present invention compared with prior art, has following good effect:
1, bi-bellow interlock collocation structure, make easily;
2, tube-in-tube structure, medium channel is kept straight on, without flow resistance;
3, bidirectional compensating structure and balance are structure-integrated, and except axial dimension is little, interlock is reliable, operates steadily, and are conducive to supporting network security operation, reduce the support capital cost.
The accompanying drawing explanation
Fig. 1 is structural profile schematic diagram of the present invention.
Embodiment
Below the invention will be further described with reference to the accompanying drawings.
Bidirectional balanced formula corrugated expansion joint shown in Fig. 1, it comprises left adapter 1, ring cowling 2, bellows 3, honeycomb duct 4, inner tube 5, outer tube 6, middle adapter 7, filler 8 and right adapter 9.Described left adapter 1 and right adapter 9 are the thin walled tube that bore is equal, inner tube wall is provided with a shoulder 1.1, be provided with the flange edge 1.2 of evagination at the pipe end outer wall near shoulder 1.1, coaxial left adapter 1 and right adapter 9 thin-walled pipe ends are outwardly opposing, in the endoporus of flange edge 1.2, co-axial seal connects bellows 3 respectively, be tightly connected bellows 3 the other ends of both sides of middle adapter 7 placed in the middle form the conventional axial collocation structures, and this structure utilizes the distortion of bellows 3 to reach the purpose of nose balance.Described honeycomb duct 4 and inner tube 5 are straight tube, and two ends are provided with the reaming mouth of pipe.Honeycomb duct 4 and inner tube 5 coaxial sleeves amount to being placed in bellows 3 inner chambers, honeycomb duct 4 left ends are fixedly connected between the built-in shoulder 1.1 of left adapter 1 and evagination flange edge 1.2 on inwall, and the outer double over of honeycomb duct 4 right-hand members contains the built-in shoulder 1.1 of right adapter 9 and forms the left lateral limit structures.Inner tube 5 right-hand members are fixedly connected on right adapter 9 inwall middle parts, and the outer double over of left end contains the built-in shoulder 1.1 of left adapter 1 and forms the right lateral limit structure.The restricted driving structure plays the effect of protection bellows 3, avoids excessive deformation to damage bellows 3.The straight tube that outer tube 6 in the present invention is enclosure nose balance structure, the flange edge of left adapter 1 and right adapter 9 is positioned at outer tube 6 two ends, inwall Spielpassung with outer tube 6, outer tube 6 inwalls are fixedly connected with middle adapter 7 between two parties, middle adapter 7 endoporus and honeycomb duct 4 Spielpassung, form and take the relatively independent equilibrium structure of two joints that middle adapter 7 is boundary.Outer tube 6 two ends are fixedly connected with respectively ring cowling 2, fill filler 8 in left adapter 1 between the ring cowling 2 relative with right adapter 9 evagination flange edges 1.2 and form sliding sealing pairs.Can realize interlock after outer tube 6 and middle adapter 7 are integrated, also can accomplish bellows 3 axial motion separately of middle adapter 7 both sides, the bellows 3 of taking over 7 both sides in can bear unidirectional axial displacement compensation and absorb end thrust, also can bear the axial displacement compensation of both direction simultaneously and absorb end thrust.The present invention is tube-in-tube structure, and medium channel is kept straight on, without flow resistance.Bidirectional compensating structure and balance are structure-integrated, and except axial dimension is little, interlock is reliable, operates steadily, and are conducive to supporting network security operation, reduce the support capital cost.
Claims (3)
1. a bidirectional balanced formula corrugated expansion joint, it comprises left adapter (1), ring cowling (2), bellows (3), honeycomb duct (4), inner tube (5), outer tube (6), middle adapter (7), filler (8) and right adapter (9); Described left adapter (1) and right adapter (9) are thin walled tube, inner tube wall is provided with a shoulder (1.1), be provided with the flange edge (1.2) of evagination near shoulder (1.1) pipe end outer wall, coaxial left adapter (1) and right adapter (9) thin-walled pipe end are outwardly opposing, in the endoporus of flange edge (1.2), respectively co-axial seal connects bellows (3), and be tightly connected bellows (3) the other end of both sides of middle adapter (7) placed in the middle forms the conventional axial collocation structure; Described honeycomb duct (4) and inner tube (5) are straight tube, two ends are provided with the reaming mouth of pipe, honeycomb duct (4) and inner tube (5) coaxial sleeve amount to being placed in bellows (3) inner chamber, honeycomb duct (4) left end is fixedly connected between the built-in shoulder of left adapter (1) (1.1) and flange edge (1.2) on inwall, and honeycomb duct (4) right-hand member contains the built-in shoulder of right adapter (9) (1.1) and forms the left lateral limit structure; Inner tube (5) right-hand member is fixedly connected on right adapter (9) inwall middle part, and left end contains the built-in shoulder of left adapter (1) (1.1) and forms the right lateral limit structure; It is characterized in that: described outer tube (6) is the straight tube of enclosure nose balance structure, the flange edge (1.2) of left adapter (1) and right adapter (9) and outer tube (6) inwall Spielpassung, be fixedly connected with middle adapter (7) in outer tube (6) inwall middle position, formation be take the relatively independent equilibrium structure of two joints that middle adapter (7) is boundary, outer tube (6) two ends are fixedly connected with respectively ring cowling (2), fill filler (8) and form sliding sealing pair between the flange edge (1.2) of left adapter (1) and right adapter (9) and relative ring cowling (2).
2. bidirectional balanced formula corrugated expansion joint according to claim 1 is characterized in that: described left adapter (1) and right adapter (9) bore equate.
3. bidirectional balanced formula corrugated expansion joint according to claim 1, is characterized in that: described middle adapter (7) endoporus and honeycomb duct (4) Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370354.0A CN103438320B (en) | 2013-08-23 | 2013-08-23 | Bi-direction balance type bellows compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370354.0A CN103438320B (en) | 2013-08-23 | 2013-08-23 | Bi-direction balance type bellows compensator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438320A true CN103438320A (en) | 2013-12-11 |
| CN103438320B CN103438320B (en) | 2015-06-10 |
Family
ID=49692022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310370354.0A Active CN103438320B (en) | 2013-08-23 | 2013-08-23 | Bi-direction balance type bellows compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103438320B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867845A (en) * | 2014-03-06 | 2014-06-18 | 泰州汇海管件科技有限公司 | Maintenance-free directly buried two-way internal pressure bellows compensator |
| CN103883832A (en) * | 2014-03-14 | 2014-06-25 | 江苏曙光压力容器有限公司 | Balance type embedded compensator |
| CN105443914A (en) * | 2015-03-13 | 2016-03-30 | 高玉琴 | Three-dimensional sleeve compensator |
| CN110529674A (en) * | 2019-09-04 | 2019-12-03 | 李洁玲 | A kind of air filter for buffering blast pipe and air inlet impact being slowed down |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291253A (en) * | 1969-01-23 | 1972-10-04 | Plessey Co Ltd | Improvements in or relating to braid-reinforced pipe joints of the convoluted-belows type |
| EP0825378A2 (en) * | 1996-08-17 | 1998-02-25 | STENFLEX Rudolf Stender GmbH | Device for movement-compensation of two sealingly connecting pipe sections and method of making same |
| CN200968467Y (en) * | 2006-07-20 | 2007-10-31 | 廊坊开发区首都航天波纹管厂 | Full buried anti-corrosive external pressure thermal insulation type corrugated pipe expansion-joint |
| CN201180885Y (en) * | 2008-04-27 | 2009-01-14 | 锦州中德波纹管件制造有限公司 | Corrugated expansion regulator |
| CN201401599Y (en) * | 2009-03-24 | 2010-02-10 | 江苏奎泽机械工业有限公司 | External sealing device of bellows compensator |
| CN101672406A (en) * | 2009-10-14 | 2010-03-17 | 锦州中德波纹管件制造有限公司 | Corrugation self-check double-protection compensator |
| CN201723898U (en) * | 2010-02-10 | 2011-01-26 | 陈墅庚 | Composite bidirectional compensator |
| CN102330867A (en) * | 2011-07-28 | 2012-01-25 | 大连益多管道有限公司 | Corrugated compensator with built-in sleeve |
| CN203082442U (en) * | 2012-12-30 | 2013-07-24 | 辽宁北方波纹管有限公司 | Flanging sealing type metal corrugated expansion joint |
| CN203770928U (en) * | 2013-08-23 | 2014-08-13 | 江苏博格东进管道设备有限公司 | Bi-direction balance type bellows compensator |
-
2013
- 2013-08-23 CN CN201310370354.0A patent/CN103438320B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1291253A (en) * | 1969-01-23 | 1972-10-04 | Plessey Co Ltd | Improvements in or relating to braid-reinforced pipe joints of the convoluted-belows type |
| EP0825378A2 (en) * | 1996-08-17 | 1998-02-25 | STENFLEX Rudolf Stender GmbH | Device for movement-compensation of two sealingly connecting pipe sections and method of making same |
| CN200968467Y (en) * | 2006-07-20 | 2007-10-31 | 廊坊开发区首都航天波纹管厂 | Full buried anti-corrosive external pressure thermal insulation type corrugated pipe expansion-joint |
| CN201180885Y (en) * | 2008-04-27 | 2009-01-14 | 锦州中德波纹管件制造有限公司 | Corrugated expansion regulator |
| CN201401599Y (en) * | 2009-03-24 | 2010-02-10 | 江苏奎泽机械工业有限公司 | External sealing device of bellows compensator |
| CN101672406A (en) * | 2009-10-14 | 2010-03-17 | 锦州中德波纹管件制造有限公司 | Corrugation self-check double-protection compensator |
| CN201723898U (en) * | 2010-02-10 | 2011-01-26 | 陈墅庚 | Composite bidirectional compensator |
| CN102330867A (en) * | 2011-07-28 | 2012-01-25 | 大连益多管道有限公司 | Corrugated compensator with built-in sleeve |
| CN203082442U (en) * | 2012-12-30 | 2013-07-24 | 辽宁北方波纹管有限公司 | Flanging sealing type metal corrugated expansion joint |
| CN203770928U (en) * | 2013-08-23 | 2014-08-13 | 江苏博格东进管道设备有限公司 | Bi-direction balance type bellows compensator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867845A (en) * | 2014-03-06 | 2014-06-18 | 泰州汇海管件科技有限公司 | Maintenance-free directly buried two-way internal pressure bellows compensator |
| CN103867845B (en) * | 2014-03-06 | 2016-02-10 | 泰州汇海管件科技有限公司 | The two-way interior pressure FlexbleJoint of non-maintaining directly buried type |
| CN103883832A (en) * | 2014-03-14 | 2014-06-25 | 江苏曙光压力容器有限公司 | Balance type embedded compensator |
| CN103883832B (en) * | 2014-03-14 | 2015-11-18 | 江苏曙光压力容器有限公司 | The buried compensator of balance type |
| CN105443914A (en) * | 2015-03-13 | 2016-03-30 | 高玉琴 | Three-dimensional sleeve compensator |
| CN110529674A (en) * | 2019-09-04 | 2019-12-03 | 李洁玲 | A kind of air filter for buffering blast pipe and air inlet impact being slowed down |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438320B (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103438320B (en) | Bi-direction balance type bellows compensator | |
| JP2015536794A5 (en) | ||
| CN203770928U (en) | Bi-direction balance type bellows compensator | |
| CN103968179B (en) | Novel plastic pipeline compensator | |
| CN203847886U (en) | Novel plastic pipeline compensator | |
| CN203823331U (en) | Maintenance-free directly buried two-way external pressure corrugated compensator | |
| CN203585689U (en) | Expansion joint | |
| CN204879189U (en) | Direct -burried direct current does not have thrust compensator | |
| CN104019316A (en) | High-temperature corrugated expansion joint | |
| CN201748078U (en) | Sleeve compensator | |
| CN103307402A (en) | Straight pipe outer pressure balance type ripple compensator | |
| CN103867844A (en) | Maintenance-free directly buried two-way external pressure bellows compensator | |
| CN203730988U (en) | Axial corrugated pipe compensator with strengthened connecting structure | |
| CN103883828B (en) | Be provided with the axial corrugated expansion joint of strengthening linkage structure | |
| CN207261905U (en) | A kind of expansion joint | |
| CN203963368U (en) | The inside and outside straight-tube pressure balanced compensator of pressing | |
| CN203963366U (en) | Full external pressure straight-tube pressure balanced compensator | |
| KR101386663B1 (en) | The slip joint | |
| CN103822041A (en) | Single straight-pipe bypass external pressure type pressure balancing expansion joint | |
| CN203348819U (en) | Straight pipe external pressing balanced type ripple compensator | |
| CN103939702A (en) | External pressure type axial expansion joint | |
| CN201016433Y (en) | Bidirectional zero thrust pressure balancing type compensation apparatus | |
| CN204785273U (en) | High compensation volume sleeve pipe compensator | |
| CN204986189U (en) | Straight tube pressure balance type bidirectional compensation flexbleJoint | |
| CN103836292A (en) | Compound straight pipe bypass externally-pressing type pressure balance expansion joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |