CN112483756A - Metal corrugated pipe compensator - Google Patents
Metal corrugated pipe compensator Download PDFInfo
- Publication number
- CN112483756A CN112483756A CN202011441597.5A CN202011441597A CN112483756A CN 112483756 A CN112483756 A CN 112483756A CN 202011441597 A CN202011441597 A CN 202011441597A CN 112483756 A CN112483756 A CN 112483756A
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- China
- Prior art keywords
- butt joint
- pipe
- column
- cover
- adjusting
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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
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/021—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube having a rectangular cross-section
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
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- 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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/028—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with the expansion or contraction of each corrugation being limited
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- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/21—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for expansion-compensation devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention relates to a metal corrugated pipe compensator which comprises a surplus compensation square pipe, an adjusting butt joint device, a heat insulation leather sheath and a locking device, wherein the adjusting butt joint device is arranged at the upper end and the lower end of the surplus compensation square pipe; according to the invention, through a multi-point rotatable adjusting mode, the compensator is provided with a longitudinal and angular combined compensation mode, so that the problem that the compensator is always subjected to rotational angular stress in the use process, and the compensator in a longitudinal arm length mode cannot effectively compensate the compensator, so that the service life of a pipeline is influenced is solved; the invention solves the problems that the compensator is not effectively insulated, thereby increasing energy loss and improving heat supply cost by adding the heat insulation structure.
Description
Technical Field
The invention belongs to the technical field of pipelines, and particularly relates to a metal corrugated pipe compensator.
Background
The metal corrugated compensator is one compensating device for absorbing the size change of pipeline, duct or container caused by expansion and contraction with heat and belongs to one kind of compensating element. Absorption of axial, lateral, and angular displacements is possible. The compensation modes of different types of metal corrugated compensators are different, and mainly include axial compensation, transverse compensation and angular compensation.
The existing metal corrugated pipe compensator has the following problems: the conventional metal corrugated pipe compensator usually only has one of three compensation modes, namely an axial compensation mode, a transverse compensation mode and an angular compensation mode, but the metal corrugated pipe compensator adopting the transverse compensation mode and the axial compensation mode usually suffers from rotary angular stress in the use process, so that the compensator cannot effectively compensate the metal corrugated pipe compensator, and the service life of a pipeline is influenced; when the heat preservation pipeline is laid, heat is often dissipated from the compensator due to the fact that effective heat preservation does not exist at the metal corrugated pipe compensator, and therefore energy loss is increased, and heat supply cost is improved.
Disclosure of Invention
The invention aims to provide a metal corrugated pipe compensator which has the advantages of combining a longitudinal compensation mode and an angular compensation mode and insulating the compensator, and solves the problems.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a metal corrugated pipe compensator comprises a surplus compensation square pipe, an adjusting butt joint device, a heat insulation leather sheath and a locking device, wherein the adjusting butt joint device is arranged at the upper end and the lower end of the surplus compensation square pipe; adjust interfacing apparatus and carry out tensile regulation to surplus compensation side pipe to make surplus compensation side pipe and pipeline match the butt joint, in the use, adjust the flexible of supplementary surplus compensation side pipe of interfacing apparatus, thereby reduce the influence of expend with heat and contract with cold to the pipeline butt joint, the heat preservation leather sheath makes the pipeline reduce heat loss at heat transfer in-process, locking device hugs closely surplus compensation side pipe with the heat preservation leather sheath, also extrudees the reinforcement to surplus compensation side pipe simultaneously, prevents its inflation deformation.
The adjusting and butting device comprises square butting pipes, adjusting supporting blocks, circular columns, an adjusting mechanism, a sealing cushion and butting bolt holes, the square butting pipes are symmetrically arranged at the upper end and the lower end of the allowance compensation square pipe, the adjusting supporting blocks are uniformly arranged on the outer wall of each square butting pipe along the circumferential direction, an adjusting groove is formed in the inner end of each adjusting supporting block, the circular columns are erected between the inner walls of the front end and the rear end of each adjusting groove, the adjusting mechanism is connected with the circular columns in a rotating mode, the sealing cushion is arranged at the outer ends of the square butting pipes, and the butting bolt holes are uniformly formed in the; the adjusting mechanism pushes the adjusting supporting block to assist the square butt joint pipe to stretch or extrude the corrugated pipe compensator, so that the square butt joint pipe can be in butt joint with a pipeline in a matching mode, the problem that the butt joint cannot be achieved due to errors is solved, the adjusting mechanism is in butt joint with the circular column in a rotating mode, the square butt joint pipe can perform angular compensation to a certain extent, and the compensator is enabled to be provided with a longitudinal compensation mode and an angular compensation mode.
The adjusting mechanism comprises a first butt joint column, a second butt joint column, a rotary threaded sleeve, an auxiliary anti-deviation pipe and a labor-saving spring, wherein the first butt joint column is connected with the round column at the lower side in a rotary mode, the second butt joint column is connected with the round column at the upper side in a rotary mode, the rotary threaded sleeve is connected with the first butt joint column in a sliding mode, the rotary threaded sleeve is connected with the second butt joint column in a threaded connection mode, the auxiliary anti-deviation pipe is arranged on the outer wall of the first butt joint column, and the labor-saving spring is arranged between the first butt joint column and the second butt joint column; the rotating thread sleeve is screwed, the butt joint post I and the butt joint post II are driven to open and close, so that the square butt joint pipe can be longitudinally and angularly displaced, the rotating thread sleeve is positioned by the aid of the anti-deviation pipe, the rotating thread sleeve and the butt joint post II are prevented from being stressed and deformed to separate, and the labor-saving spring is not influenced by extrusion force generated by memory deformation of the allowance compensation square pipe when the butt joint post I and the butt joint post II are opened by manual screwing.
Locking device include L type joint frame, the slide bar, the extrusion spring, L type extrusion frame, the butt joint pole, fixed thread bush and docking mechanism, L type joint frame is established on the heat preservation leather sheath outer wall along the even cover of circumference, set up the cover annular on the inner wall of L type joint frame, the slide bar is connected with lantern ring groove corner inner wall through the slip mode, the slide bar outer end is provided with the extrusion spring, the slide bar inner is provided with L type extrusion frame, L type joint frame front end is provided with the butt joint pole, fixed thread bush is established on the butt joint pole outer wall, L type joint frame right-hand member is provided with docking mechanism. The L-shaped clamping frame extrudes and fixes the upper side and the lower side of the heat-insulation folding sleeve, so that the heat-insulation folding sleeve is prevented from being loose or separated, and the deformation of the allowance compensation square pipe is prevented from being influenced by excessive fixation. The extrusion spring pushes the L-shaped extrusion frame to better fix the four corners of the square heat-preservation folding sleeve. The design of this structure can produce the interference with adjustment mechanism by effective mode locking device, also more convenient and dismouting.
In a preferred embodiment of the present invention, the square butt joint pipe is connected to the pipeline through a butt joint bolt hole and a bolt.
As a preferred scheme of the invention, the heat-insulating leather sheath comprises a heat-insulating folding sheath, a tightening cloth strip, a soft hair paste, a hard hair hook paste, an overlapping sheath, a tightening sheath and a strip penetrating hole, wherein the heat-insulating folding sheath is sleeved on the outer wall of the allowance compensation square tube, the tightening cloth strip is uniformly arranged on the left side of the rear end of the heat-insulating folding sheath from top to bottom, the soft hair paste and the hard hair hook paste are sequentially arranged at the rear end of the tightening cloth strip from inside to outside, the overlapping sheath is arranged on the right side of the front end of the heat-insulating folding sheath, the tightening sheath is arranged at the front end of the overlapping sheath, and the strip penetrating hole is uniformly arranged at the front end of the tightening sheath. The folding cover of heat preservation overlaps on surplus compensation side's pipe outer wall, and during the overlapping cover was gone into to the folding cover left end cover of heat preservation, the rethread tightened up the cloth and strengthened with wearing a hole cooperation, pastes through the combination of hard hair hook and soft hair subsides at last for the folding cover of heat preservation overlaps on surplus compensation side's pipe outer wall.
As a preferable scheme of the invention, the four locking devices are combined into a whole in a threaded connection mode.
As a preferable scheme of the invention, the butt joint mechanism comprises a thread rotary groove, a thread rotary column and a rotary thread column, the right end of the L-shaped clamping frame is provided with the thread rotary groove, the thread rotary column is connected with the thread rotary groove in a thread connection mode, and the right end of the thread rotary column is provided with the rotary thread column through a bearing. After carrying out threaded connection through fixed thread bush and rotation screw thread post for locking device is even as an organic whole each other, and the regulation of rethread screw thread post is adjusted opening and shutting locking device, thereby avoids fixed thread bush and rotates this connecting point of screw thread post and effectively adjusts L type joint frame.
As a preferable scheme of the present invention, the fixed threaded sleeve is connected with the rotary threaded column in a threaded connection manner. The invention has the beneficial effects that:
1. according to the invention, through a multi-point rotatable adjusting mode, the compensator is provided with a longitudinal and angular combined compensation mode, so that the problem that the compensator is always subjected to rotational angular stress in the use process, and the compensator in a longitudinal arm length mode cannot effectively compensate the compensator, so that the service life of a pipeline is influenced is solved; the invention solves the problems that the compensator is not effectively insulated, thereby increasing energy loss and improving heat supply cost by adding the heat insulation structure.
2. According to the invention, the allowance compensation square pipe is stretched and adjusted through the adjusting and butting device, so that the allowance compensation square pipe is in matched butt joint with the pipeline, in the using process, the adjusting and butting device assists the allowance compensation square pipe to stretch out and draw back, so that the influence of expansion and contraction on the butt joint of the pipeline is reduced, the heat loss of the pipeline is reduced in the heat transfer process due to the heat insulation leather sheath, the locking device enables the heat insulation leather sheath to be tightly attached to the allowance compensation square pipe, and meanwhile, the allowance compensation square pipe is extruded and reinforced, so that the allowance compensation square pipe is prevented from being.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the structure of the thermal insulating leather sheath of the present invention;
FIG. 5 is a schematic view of the locking device of the present invention;
fig. 6 is a schematic illustration of the invention in top cross-section view of fig. 5.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in fig. 1 to 6, a metal corrugated pipe compensator comprises a surplus compensation square pipe 1, an adjustment butt joint device 2, a heat preservation leather sheath 3 and a locking device 4, wherein the adjustment butt joint device 2 is arranged at the upper end and the lower end of the surplus compensation square pipe 1, the heat preservation leather sheath 3 is sleeved on the outer wall of the surplus compensation square pipe 1, the locking device 4 is uniformly sleeved on the outer wall of the heat preservation leather sheath 3, and the locking devices 4 are connected with each other in a threaded connection mode; adjust interfacing apparatus 2 and carry out tensile regulation to surplus compensation side pipe 1, thereby make surplus compensation side pipe 1 and pipeline match the butt joint, in the use, adjust the flexible of 2 supplementary surplus compensation side pipes of interfacing apparatus, thereby reduce the influence of the shrinkage that rises with heat to the pipeline butt joint, heat preservation leather sheath 3 makes the pipeline reduce heat loss at heat transfer in-process, locking device 4 hugs closely surplus compensation side pipe 1 with heat preservation leather sheath 3, also extrude reinforcement to surplus compensation side pipe 1 simultaneously, prevent its inflation deformation.
The adjusting butt joint device 2 comprises a square butt joint pipe 21, adjusting supporting blocks 22, a circular column 23, an adjusting mechanism 24, a sealing cushion 25 and butt joint bolt holes 26, the square butt joint pipe 21 is symmetrically arranged at the upper end and the lower end of the allowance compensation square pipe 1, the adjusting supporting blocks 22 are uniformly arranged on the outer wall of the square butt joint pipe 21 along the circumferential direction, an adjusting groove is formed in the inner end of each adjusting supporting block 22, the circular column 23 is erected between the inner walls of the front end and the rear end of the adjusting groove, the adjusting mechanism 24 is connected with the circular column 23 in a rotating mode, the sealing cushion 25 is arranged at the outer end of the square butt joint pipe 21, and the butt joint bolt; the square butt joint pipe 21 is assisted by pushing the adjusting support block 22 through the adjusting mechanism 24 to stretch or extrude the allowance compensation square pipe 1, so that the square butt joint pipe 21 can be in butt joint with a pipeline in a matching way, the problem that butt joint cannot be achieved due to errors is solved, and the adjusting mechanism 24 and the round column 23 are in butt joint in a rotating way, so that the square butt joint pipe 21 can be subjected to angular compensation in a certain degree, and the compensator is provided with a longitudinal compensation mode and an angular compensation mode.
The adjusting mechanism 24 comprises a first butt joint column 241, a second butt joint column 242, a rotary threaded sleeve 243, an auxiliary anti-deviation pipe 244 and a labor-saving spring 245, the first butt joint column 241 is connected with the round column 23 located on the lower side in a rotary mode, the second butt joint column 242 is connected with the round column 23 located on the upper side in a rotary mode, the rotary threaded sleeve 243 is connected with the first butt joint column 241 in a sliding mode, the rotary threaded sleeve 243 is connected with the second butt joint column 242 in a threaded connection mode, the auxiliary anti-deviation pipe 244 is arranged on the outer wall of the first butt joint column 241, and the labor-saving spring 245 is arranged between the first butt joint column 241 and the second butt joint column 242; the rotating threaded sleeve 243 is screwed to drive the first butt joint column 241 and the second butt joint column 242 to be opened and closed, so that the square butt joint pipe 21 can be displaced longitudinally and angularly, the rotating threaded sleeve 243 is positioned by the auxiliary anti-deviation pipe 244, the rotating threaded sleeve 243 and the second butt joint column 242 are prevented from being deformed and separated due to stress, and the labor-saving spring 245 is not influenced by extrusion force generated by memory deformation of the allowance compensation square pipe 1 when the first butt joint column 241 and the second butt joint column 242 are opened and the rotating threaded sleeve 243 is screwed manually.
The square butt joint pipe 21 is connected with the pipeline through a butt joint bolt hole 26 and a bolt.
Insulating leather sheath 3 including heat preservation folding sleeve 31, tighten up the cloth strip 32, the fluff pastes 33, the bristle hook pastes 34, overlap the cover 35, tighten up cover 36 and wear a hole 37, heat preservation folding sleeve 31 cover is established on surplus compensation side pipe 1 outer wall, tighten up cloth strip 32 from last even setting in heat preservation folding sleeve 31 rear end left side down, it pastes 33 and bristle hook subsides 34 to tighten up cloth strip 32 rear end from inside to outside having set gradually the fluff, heat preservation folding sleeve 31 front end right side is provided with overlapping sleeve 35, tightening up cover 36 sets up at overlapping sleeve 35 front end, tightening up 36 front end from last down evenly having seted up and having worn a hole 37. The heat preservation folding sleeve 31 is sleeved on the outer wall of the allowance compensation square pipe 1, the left end of the heat preservation folding sleeve 31 is sleeved in the overlapping sleeve 35, then the cloth strips 32 are tightened and the strip penetrating holes 37 are matched to reinforce, and finally the heat preservation folding sleeve 31 is sleeved on the outer wall of the allowance compensation square pipe 1 through the combination of the hard hair hook paste 34 and the soft hair paste 33.
The four locking devices 4 are combined into a whole in a threaded connection mode.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only to illustrate the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a metal bellows compensator, includes surplus compensation side pipe (1), adjusts interfacing apparatus (2), heat preservation leather sheath (3) and locking device (4), its characterized in that: the upper end and the lower end of the allowance compensation square pipe (1) are provided with adjusting butt joint devices (2), the outer wall of the allowance compensation square pipe (1) is sleeved with a heat insulation leather sheath (3), the outer wall of the heat insulation leather sheath (3) is uniformly sleeved with locking devices (4), and the locking devices (4) are connected with each other in a threaded connection mode;
the adjusting butt joint device (2) comprises a square butt joint pipe (21), adjusting supporting blocks (22), a round column (23), an adjusting mechanism (24), a sealing cushion (25) and butt joint bolt holes (26), the square butt joint pipe (21) is symmetrically arranged at the upper end and the lower end of the allowance compensation square pipe (1), the adjusting supporting blocks (22) are uniformly arranged on the outer wall of the square butt joint pipe (21) along the circumferential direction, an adjusting groove is formed in the inner end of each adjusting supporting block (22), the round column (23) is erected between the inner walls of the front end and the rear end of the adjusting groove, the adjusting mechanism (24) is connected with the round column (23) in a rotating mode, the sealing cushion (25) is arranged at the outer end of the square butt joint pipe (21), and the butt joint bolt holes (;
the adjusting mechanism (24) comprises a first butt joint column (241), a second butt joint column (242), a rotary threaded sleeve (243), an auxiliary anti-deviation pipe (244) and a labor-saving spring (245), wherein the first butt joint column (241) is connected with a round column (23) on the lower side in a rotary mode, the second butt joint column (242) is connected with the round column (23) on the upper side in a rotary mode, the rotary threaded sleeve (243) is connected with the first butt joint column (241) in a sliding mode, the rotary threaded sleeve (243) is connected with the second butt joint column (242) in a threaded connection mode, the auxiliary anti-deviation pipe (244) is arranged on the outer wall of the first butt joint column (241), and the labor-saving spring (245) is arranged between the first butt joint column (241) and the second butt joint column (242);
locking device (4) including L type joint frame (41), slide bar (42), extrusion spring (43), L type extrusion frame (44), butt joint pole (45), fixed thread bush (46) and docking mechanism (47), L type joint frame (41) are evenly established on heat preservation leather sheath (3) outer wall along circumference, the cover annular has been seted up on L type joint frame (41) inner wall, slide bar (42) are connected with the inner wall of lantern ring groove corner through the slip mode, slide bar (42) outer end is provided with extrusion spring (43), slide bar (42) inner is provided with L type extrusion frame (44), L type joint frame (41) front end is provided with butt joint pole (45), fixed thread bush (46) cover is established on butt joint pole (45) outer wall, L type joint frame (41) right-hand member is provided with docking mechanism (47).
2. A metal bellows compensator according to claim 1, wherein: the square butt joint pipe (21) is connected with the pipeline through a butt joint bolt hole (26) and a bolt.
3. A metal bellows compensator according to claim 1, wherein: insulating leather sheath (3) including insulating folding cover (31), tighten up cloth (32), soft hair subsides (33), hard hair hook subsides (34), overlap cover (35), tighten up cover (36) and wear a hole (37), insulating folding cover (31) cover is established on surplus compensation square pipe (1) outer wall, it evenly sets up on insulating folding cover (31) rear end left side to tighten up cloth (32) from last down, it pastes (33) and hard hair hook subsides (34) to tighten up cloth (32) rear end from inside to outside having set gradually soft hair, insulating folding cover (31) front end right side is provided with overlapping cover (35), it sets up at overlapping cover (35) front end to tighten up cover (36), it evenly has seted up from last down to tighten up to overlap cover (36) front end and has worn a hole (37).
4. A metal bellows compensator according to claim 1, wherein: the four locking devices (4) are combined into a whole in a threaded connection mode.
5. A metal bellows compensator according to claim 1, wherein: docking mechanism (47) including screw thread turn trough (471), screw thread turn post (472) and rotation screw thread post (473), screw thread turn trough (471) has been seted up to L type joint frame (41) right-hand member, screw thread turn post (472) are connected with screw thread turn trough (471) through the threaded connection mode, screw thread turn post (472) right-hand member is provided with rotation screw thread post (473) through the bearing.
6. A metal bellow compensator according to claim 5, wherein: the fixed thread sleeve (46) is connected with the rotary thread column (473) in a thread connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441597.5A CN112483756A (en) | 2020-12-11 | 2020-12-11 | Metal corrugated pipe compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441597.5A CN112483756A (en) | 2020-12-11 | 2020-12-11 | Metal corrugated pipe compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112483756A true CN112483756A (en) | 2021-03-12 |
Family
ID=74941086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011441597.5A Pending CN112483756A (en) | 2020-12-11 | 2020-12-11 | Metal corrugated pipe compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112483756A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1042167U (en) * | 1998-12-30 | 1999-08-16 | Instalaciones Especiales Del C | Joining device for air ducts and the like. (Machine-translation by Google Translate, not legally binding) |
| CN104235556A (en) * | 2014-09-04 | 2014-12-24 | 贺峰 | Pipeline aluminum foil binding device |
| CN207334065U (en) * | 2017-09-30 | 2018-05-08 | 江苏五星波纹管有限公司 | A kind of FlexbleJoint with cardan universal joint component load-bearing |
| CN108799681A (en) * | 2018-07-17 | 2018-11-13 | 王小兰 | A kind of steel lining tetrafluoro compensator |
| CN208331513U (en) * | 2018-05-10 | 2019-01-04 | 山东远大消防科技有限公司 | A kind of fire-fighting pipe fitting groove type diameter-reducing collar clamp |
| CN208365056U (en) * | 2018-05-28 | 2019-01-11 | 江苏亚太波纹管有限公司 | Piping displacement intelligent compensation device |
| CN208442442U (en) * | 2018-06-26 | 2019-01-29 | 陕西英联环保科技有限公司 | A kind of multidimensional compensating joint of pipeline |
| CN209458560U (en) * | 2018-12-22 | 2019-10-01 | 江苏恒润波纹管有限公司 | A kind of compensator convenient for connection |
| CN110671569A (en) * | 2019-09-29 | 2020-01-10 | 龚会萍 | Pressure compensator |
| CN210179154U (en) * | 2019-05-29 | 2020-03-24 | 宜兴市迈高波纹管有限公司 | Compound universal hinge type corrugated expansion joint |
| CN212107428U (en) * | 2020-05-15 | 2020-12-08 | 泰州市欧克尔粉末合金制造有限公司 | External pressure type wear-resistant copper-based alloy sleeve |
-
2020
- 2020-12-11 CN CN202011441597.5A patent/CN112483756A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1042167U (en) * | 1998-12-30 | 1999-08-16 | Instalaciones Especiales Del C | Joining device for air ducts and the like. (Machine-translation by Google Translate, not legally binding) |
| CN104235556A (en) * | 2014-09-04 | 2014-12-24 | 贺峰 | Pipeline aluminum foil binding device |
| CN207334065U (en) * | 2017-09-30 | 2018-05-08 | 江苏五星波纹管有限公司 | A kind of FlexbleJoint with cardan universal joint component load-bearing |
| CN208331513U (en) * | 2018-05-10 | 2019-01-04 | 山东远大消防科技有限公司 | A kind of fire-fighting pipe fitting groove type diameter-reducing collar clamp |
| CN208365056U (en) * | 2018-05-28 | 2019-01-11 | 江苏亚太波纹管有限公司 | Piping displacement intelligent compensation device |
| CN208442442U (en) * | 2018-06-26 | 2019-01-29 | 陕西英联环保科技有限公司 | A kind of multidimensional compensating joint of pipeline |
| CN108799681A (en) * | 2018-07-17 | 2018-11-13 | 王小兰 | A kind of steel lining tetrafluoro compensator |
| CN209458560U (en) * | 2018-12-22 | 2019-10-01 | 江苏恒润波纹管有限公司 | A kind of compensator convenient for connection |
| CN210179154U (en) * | 2019-05-29 | 2020-03-24 | 宜兴市迈高波纹管有限公司 | Compound universal hinge type corrugated expansion joint |
| CN110671569A (en) * | 2019-09-29 | 2020-01-10 | 龚会萍 | Pressure compensator |
| CN212107428U (en) * | 2020-05-15 | 2020-12-08 | 泰州市欧克尔粉末合金制造有限公司 | External pressure type wear-resistant copper-based alloy sleeve |
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Application publication date: 20210312 |
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| RJ01 | Rejection of invention patent application after publication |