CN114211195A - Pipeline connecting device for petrochemical industry and using method thereof - Google Patents
Pipeline connecting device for petrochemical industry and using method thereof Download PDFInfo
- Publication number
- CN114211195A CN114211195A CN202111610257.5A CN202111610257A CN114211195A CN 114211195 A CN114211195 A CN 114211195A CN 202111610257 A CN202111610257 A CN 202111610257A CN 114211195 A CN114211195 A CN 114211195A
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- China
- Prior art keywords
- shell
- pipeline
- limiting block
- convex
- petrochemical
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- 238000000034 method Methods 0.000 title claims description 16
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention belongs to the technical field of chemical pipelines, and particularly relates to pipeline connecting equipment for petrochemical industry, which comprises: the pipeline assembly comprises a shell assembly, a pipeline assembly and a connecting assembly, wherein the shell assembly comprises a first connecting shell and a second connecting shell, the first connecting shell and the second connecting shell are connected through a rotating unit, the centers of the side walls of the first connecting shell and the second connecting shell are respectively provided with a semicircular shell protruding outwards, and the side walls of the first connecting shell and the second connecting shell at the upper side and the lower side of the semicircular shell are symmetrically provided with a first convex shell and a second convex shell protruding outwards; the pipeline subassembly is including connecting the pipeline in the first casing of connecting and the second casing left and right sides of connecting respectively. The pipe and the cylindrical connecting piece on the two sides can form an integral structure under the use of the locking unit, and the second limiting block can play a role in auxiliary sealing, so that the use stability and the sealing property of the pipes on the two sides are ensured.
Description
Technical Field
The invention relates to the technical field of chemical pipelines, in particular to pipeline connecting equipment for petrochemical industry and a using method thereof.
Background
Petroleum is produced into fuel oil and gasoline by petrochemical equipment, and is also a raw material of a plurality of chemical industry products, such as solution, fertilizer, pesticide, plastic and the like, and is conveyed among the petrochemical equipment through pipelines.
The petroleum pipeline connection at present adopts manual welding's mode to weld the joint line of pipe connection department more, because the length overlength that the pipeline erect, needs a large amount of pipelines to connect, has increased a large amount of costs of labor undoubtedly to current pipe connection device sealing performance is not good, takes place easily to reveal, and pipe connection equipment when using for a long time simultaneously, takes place the phenomenon of shake easily, and the practicality is lower. Therefore, a pipeline connecting device for petrochemical industry and a using method thereof are provided to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides pipeline connecting equipment for petrochemical industry and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pipe connecting device for petrochemical industry, comprising: the pipeline assembly comprises a shell assembly, a pipeline assembly and a connecting assembly, wherein the shell assembly comprises a first connecting shell and a second connecting shell, the first connecting shell and the second connecting shell are connected through a rotating unit, the centers of the side walls of the first connecting shell and the second connecting shell are respectively provided with a semicircular shell protruding outwards, and the side walls of the first connecting shell and the second connecting shell at the upper side and the lower side of the semicircular shell are symmetrically provided with a first convex shell and a second convex shell protruding outwards; the pipeline assembly comprises pipelines respectively connected to the left side and the right side of the first connecting shell and the second connecting shell, and the side wall of each pipeline is provided with a limiting unit connected with the first convex shell and the second convex shell; coupling assembling is including setting up the cylinder connecting piece between two semicircle shells, set up the through-hole with two pipeline intercommunications on the lateral wall of cylinder connecting piece, and the through-hole inboard is provided with the locking unit with the pipe connection.
In the above pipe connecting apparatus for petrochemical, the outer diameter value of the first convex hull is greater than the outer diameter value of the second convex hull, and the width value of the first convex hull is greater than the width value of the second convex hull.
In the pipeline connecting equipment for petrochemical engineering, the rotating unit comprises two annular parts fixedly connected to the side wall of the first connecting shell, the annular parts are rotatably connected with T-shaped rods, one ends of the two T-shaped rods are opposite to the inner side penetrating through the annular parts, and L-shaped parts fixedly connected with the T-shaped rods are arranged on the side wall of the second connecting shell.
In the pipeline connecting device for petrochemical engineering, the L-shaped part includes a horizontal end fixed to the second connecting casing and a ring connected to a side wall of the horizontal end, and the ring is fixedly sleeved on an outer side of the T-shaped rod.
In foretell pipeline connecting equipment for petrochemical, a plurality of inside and outside locating holes of intercommunication are seted up to the equipartition on the lateral wall of first connection casing, set up the constant head tank that corresponds with the locating hole on the inside wall of second connection casing, locating hole female connection has the fastening screw who is connected with the constant head tank cooperation.
In foretell pipeline connecting equipment for petrochemical, spacing unit is including fixed first stopper and the second stopper of cup jointing on the pipeline lateral wall, first stopper and second stopper are the loop configuration, first stopper and second stopper offset with the inner wall of first convex hull and second convex hull respectively.
In foretell pipeline connecting equipment for petrochemical, the locking unit includes the internal thread pipe of fixed connection between the both sides through-hole, the equipartition is provided with the screw thread of being connected with the internal thread pipe cooperation on the pipeline lateral wall that first stopper one side was kept away from to the second stopper.
In foretell pipeline connecting equipment for petrochemical, the laminating of second stopper is connected in the outside of cylinder connecting piece after pipeline and internal thread union coupling, fixedly connected with and the rubber circle that the through-hole corresponds on the lateral wall that second stopper and cylinder connecting piece are relative.
A use method of pipeline connecting equipment for petrochemical industry comprises the following steps:
s1, when chemical pipelines are connected, the pipelines on the two sides are respectively matched and connected with the internal threaded pipe on the side wall of the cylindrical connecting piece, and the second limiting block is in contact with the side wall of the cylindrical connecting piece;
s2, after the pipeline and the cylindrical connecting piece are fixed, the pipeline and the cylindrical connecting piece are placed in the first connecting shell, the cylindrical connecting piece is correspondingly abutted between the two semicircular shells, and the first limiting block and the second limiting block are respectively in matched contact with the first convex shell and the second convex shell;
s3, rotating the second connecting shell, connecting the second connecting shell with the first connecting shell in a sealing mode, correspondingly connecting a plurality of fastening screws in the positioning holes and the positioning grooves to achieve stability of the whole structure, and completing connection of pipelines.
Compared with the prior art, the pipeline connecting equipment for petrochemical industry and the using method thereof have the advantages that:
1. according to the invention, the rotation adjustment of the first connecting shell and the second connecting shell can be realized through the rotating unit, namely the first connecting shell and the second connecting shell are closed and unfolded, when the connecting device is applied to high-altitude chemical pipeline connection, an operator can quickly adjust the connecting device by adopting the connecting mode, and the adjustment can be completed by only one hand, so that the convenience is increased.
2. Under the use of the limiting unit, the tightness and the strength of the connection between the pipeline and the first connecting shell and the second connecting shell are improved, the connecting strength between the pipeline and the shell assembly is enhanced, the pipeline and the first connecting shell and the second connecting shell are convenient to disassemble and assemble, and the first limiting block and the second limiting block are directly abutted against the inner walls of the first convex shell and the second convex shell.
3. The pipe and the cylindrical connecting piece on the two sides can form an integral structure under the use of the locking unit, and the second limiting block can play a role in auxiliary sealing, so that the use stability and the sealing property of the pipes on the two sides are ensured.
Drawings
FIG. 1 is a schematic view showing an overall structure of a petrochemical line connecting apparatus and a method for using the same according to the present invention;
FIG. 2 is a view showing the inner structure of a first coupling housing of a petrochemical line coupling apparatus and a method for using the same according to the present invention;
FIG. 3 is a view showing an internal structure of a first coupling housing when a pipe at one side of the petrochemical engineering pipeline coupling apparatus and the method of using the same according to the present invention is removed;
FIG. 4 is an internal structure view of a first coupling housing of a petrochemical line coupling apparatus and a method for using the same according to the present invention;
FIG. 5 is a view showing an external structure of a first coupling housing of a petrochemical line coupling apparatus and a method for using the same according to the present invention;
FIG. 6 is a view showing a pipe connection structure of a petrochemical line connecting apparatus and a method for using the same according to the present invention;
fig. 7 is a pipeline disassembly structure diagram of the petrochemical pipeline connection device and the use method thereof according to the present invention.
In the figure, 100 shell assemblies, 101 first connecting shells, 102 second connecting shells, 103 semicircular shells, 104 first convex shells, 105 second convex shells, 106 positioning holes, 107 positioning grooves, 108 fastening screws, 200 rotating units, 201 annular pieces, 202T-shaped rods, 203L-shaped pieces, 300 limiting units, 301 first limiting blocks, 302 second limiting blocks, 400 connecting assemblies, 401 cylindrical connecting pieces, 500 locking units, 501 internally threaded pipes, 600 pipeline assemblies, 601 pipelines and 602 threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
Referring to fig. 1 to 7, a pipe connecting apparatus for petrochemical industry, comprising: the shell assembly 100, the pipeline assembly 200 and the connecting assembly 400, the shell assembly 100 comprises a first connecting shell 101 and a second connecting shell 102, the first connecting shell 101 is connected with the second connecting shell 102 through a rotating unit 200, the rotating unit 200 comprises two annular parts 201 fixedly connected to the side wall of the first connecting shell 101, T-shaped rods 202 are rotatably connected to the annular parts 201, one ends of the two T-shaped rods 202 penetrate through the inner side of the annular parts 201 and are oppositely arranged, L-shaped parts 203 fixedly connected with the T-shaped rods 202 are arranged on the side wall of the second connecting shell 102, specifically, the L-shaped parts 203 comprise horizontal ends fixed with the second connecting shell 102 and circular rings connected to the side walls of the horizontal ends, the circular rings are fixedly connected to the outer sides of the T-shaped rods 202, the rotating adjustment of the first connecting shell 101 and the second connecting shell 102 can be realized through the rotating unit 200, namely, the first connecting shell 101 and the second connecting shell 102 are closed and unfolded, when being applied to the connection of high-altitude chemical pipelines, adopt this kind of connected mode operating personnel can be quick adjust to just can accomplish with the one hand, increased the convenience.
Furthermore, a plurality of positioning holes 106 communicated with the inside and the outside are uniformly formed in the side wall of the first connecting shell 101, positioning grooves 107 corresponding to the positioning holes 106 are formed in the inner side wall of the second connecting shell 102, fastening screws 108 connected with the positioning grooves 107 in a matched mode are connected in the positioning holes 106 in an inner thread mode, the first connecting shell 101 and the second connecting shell 102 can be fixed through the fastening screws 108, and the connection stability of the first connecting shell 101 and the second connecting shell 102 is guaranteed.
The middle of the side walls of the first connecting shell 101 and the second connecting shell 102 are provided with a semi-circular shell 103 protruding outwards, the side walls of the first connecting shell 101 and the second connecting shell 102 on the upper side and the lower side of the semi-circular shell 103 are symmetrically provided with a first convex shell 104 and a second convex shell 105 protruding outwards, specifically, the outer diameter value of the first convex shell 104 is larger than the outer diameter value of the second convex shell 105, the width value of the first convex shell 104 is larger than the width value of the second convex shell 105, the outer surfaces of the first connecting shell 101 and the second connecting shell 102 adopt the structural design of the first convex shell 104 and the second convex shell 105, the structural design of the shell assembly 100 is changed, the pressure resistance of the shell assembly 100 is improved, and the shell assembly 100 is not easily damaged by external collision.
Wherein, the pipeline assembly 200 comprises pipelines 601 respectively connected to the left and right sides of the first connecting shell 101 and the second connecting shell 102, the side wall of the pipeline 601 is provided with a limiting unit 300 connected with the first convex shell 104 and the second convex shell 105, the limiting unit 300 comprises a first limiting block 301 and a second limiting block 302 fixedly connected on the outer side wall of the pipeline 601, the first limiting block 301 and the second limiting block 302 are both in annular structures, the first limiting block 301 and the second limiting block 302 are respectively abutted against the inner walls of the first convex shell 104 and the second convex shell 105, under the use of the limiting unit 300, on one hand, the tightness and the strength of the connection between the pipeline 601 and the first connecting shell 101 and the second connecting shell 102 are improved, on the other hand, the connecting strength between the limiting unit 300 and the shell assembly 100 is enhanced, and in addition, the disassembly and assembly of the pipeline 601 and the first connecting shell 101 and the second connecting shell 102 are facilitated, the first stopper 301 and the second stopper 302 are directly abutted against the inner walls of the first convex shell 104 and the second convex shell 105.
Wherein, the connection assembly 400 comprises a cylindrical connection member 401 arranged between two semicircular shells 103, the side wall of the cylindrical connection member 401 is provided with through holes communicated with two pipelines 601, the inner side of the through hole is provided with a locking unit 500 connected with the pipelines 601, the locking unit 500 comprises an internal thread pipe 501 fixedly connected between the through holes at two sides, the side wall of the pipeline 601 at one side of the second limit block 302 far away from the first limit block 301 is uniformly provided with threads 602 matched and connected with the internal thread pipe 501, specifically, after the pipeline 601 is connected with the internal thread pipe 501, the second limit block 302 is attached to the outer side of the cylindrical connection member 401, the side wall of the second limit block 302 opposite to the cylindrical connection member 401 is fixedly connected with rubber rings corresponding to the through holes, the pipelines 601 at two sides and the cylindrical connection member 401 can form an integral structure under the use of the locking unit 500, and the second limit block 302 can play a role of auxiliary sealing, the stability and the leakproofness of the use of the two-side pipeline 601 are ensured.
Referring to fig. 1 to 7, a method for using a pipe connection device for petrochemical industry, comprising the steps of:
s1, when connecting the chemical pipeline 601, firstly, the pipelines 601 on the two sides are respectively matched and connected with the internal threaded pipe 501 on the side wall of the cylindrical connecting piece 401, and the second limiting block 302 is contacted with the side wall of the cylindrical connecting piece 401;
s2, after the pipeline 601 and the cylinder connecting piece 401 are fixed, the pipeline 601 is placed in the first connecting shell 101, the cylinder connecting piece 401 is correspondingly abutted between the two semicircular shells 103, and the first limiting block 301 and the second limiting block 302 are respectively in matched contact with the first convex shell 104 and the second convex shell 105;
s3, rotating the second connection housing 102 and connecting with the first connection housing 101 in a sealing manner, and connecting the plurality of fastening screws 108 in the positioning holes 106 and the positioning grooves 107 respectively to achieve the stability of the whole structure, and completing the connection of the pipeline 601.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A pipe connecting device for petrochemical industry, comprising:
the shell assembly (100) comprises a first connecting shell (101) and a second connecting shell (102), the first connecting shell (101) is connected with the second connecting shell (102) through a rotating unit (200), the centers of the side walls of the first connecting shell (101) and the second connecting shell (102) are respectively provided with a semi-circular shell (103) protruding outwards, and the side walls of the first connecting shell (101) and the second connecting shell (102) at the upper side and the lower side of the semi-circular shell (103) are symmetrically provided with a first convex shell (104) and a second convex shell (105) protruding outwards;
the pipeline assembly (600) comprises pipelines (601) which are respectively connected to the left side and the right side of the first connecting shell (101) and the second connecting shell (102), and limiting units (300) connected with the first convex shell (104) and the second convex shell (105) are arranged on the side walls of the pipelines (601);
coupling assembling (400), including setting up cylinder connecting piece (401) between two semicircle shells (103), set up the through-hole with two pipeline (201) intercommunications on the lateral wall of cylinder connecting piece (401), and the through-hole inboard is provided with locking unit (500) of being connected with pipeline (601).
2. The petrochemical pipeline connecting device according to claim 1, wherein the outer diameter of the first convex hull (104) is larger than the outer diameter of the second convex hull (105), and the width of the first convex hull (104) is larger than the width of the second convex hull (105).
3. The petrochemical pipeline connecting device according to claim 1, wherein the rotating unit (200) comprises two ring-shaped members (201) fixedly connected to the side wall of the first connecting housing (101), the T-shaped rods (202) are rotatably connected to the ring-shaped members (201), one ends of the two T-shaped rods (202) penetrate through the inner side of the ring-shaped members (201) and are arranged oppositely, and L-shaped members (203) fixedly connected with the T-shaped rods (202) are arranged on the side wall of the second connecting housing (102).
4. The petrochemical line connection apparatus of claim 3, wherein said L-shaped member (203) comprises a horizontal end fixed to said second connection housing (102) and a ring attached to a side wall of said horizontal end, said ring being fixedly attached to an outer side of said T-bar (202).
5. The petrochemical pipeline connecting device according to claim 1, wherein a plurality of positioning holes (106) which are communicated with each other inside and outside are uniformly formed in the side wall of the first connecting shell (101), positioning grooves (107) corresponding to the positioning holes (106) are formed in the inner side wall of the second connecting shell (102), and fastening screws (108) which are matched and connected with the positioning grooves (107) are connected to the positioning holes (106) in an internal thread manner.
6. The petrochemical pipeline connecting device according to claim 1, wherein the limiting unit (300) comprises a first limiting block (301) and a second limiting block (302) fixedly sleeved on the outer side wall of the pipeline (201), the first limiting block (301) and the second limiting block (302) are both in an annular structure, and the first limiting block (301) and the second limiting block (302) abut against the inner walls of the first convex shell (104) and the second convex shell (105), respectively.
7. The petrochemical pipeline connecting device according to claim 6, wherein the locking unit (500) comprises an internal threaded pipe (501) fixedly connected between through holes on two sides, and threads (602) matched and connected with the internal threaded pipe (501) are uniformly distributed on the side wall of the pipeline (601) on one side of the second limiting block (302) far away from the first limiting block (301).
8. The petrochemical engineering pipeline connecting device according to claim 7, wherein a second limiting block (302) is attached to the outer side of the cylindrical connecting piece (401) after the pipeline (201) is connected with the internal threaded pipe (501), and rubber rings corresponding to the through holes are fixedly connected to the side walls of the second limiting block (302) opposite to the cylindrical connecting piece (401).
9. The use method of the pipeline connecting equipment for petrochemical engineering is characterized by comprising the following steps:
s1, when the chemical pipeline (201) is connected, the pipelines (201) on the two sides are respectively matched and connected with the internal threaded pipe (501) on the side wall of the cylindrical connecting piece (401) and the second limiting block (302) is in contact with the side wall of the cylindrical connecting piece (401);
s2, after the pipeline (201) and the cylindrical connecting piece (401) are fixed, the pipeline (201) is placed in the first connecting shell (101) and the cylindrical connecting piece (401) is correspondingly abutted between the two semicircular shells (103), and the first limiting block (301) and the second limiting block (302) are respectively in matched contact with the first convex shell (104) and the second convex shell (105);
s3, rotating the second connecting shell (102) and connecting the second connecting shell with the first connecting shell (101) in a sealing way, correspondingly connecting a plurality of fastening screws (108) in the positioning holes (106) and the positioning grooves (107) to realize the stability of the whole structure, and completing the connection of the pipeline (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610257.5A CN114211195A (en) | 2021-12-27 | 2021-12-27 | Pipeline connecting device for petrochemical industry and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610257.5A CN114211195A (en) | 2021-12-27 | 2021-12-27 | Pipeline connecting device for petrochemical industry and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114211195A true CN114211195A (en) | 2022-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111610257.5A Pending CN114211195A (en) | 2021-12-27 | 2021-12-27 | Pipeline connecting device for petrochemical industry and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114211195A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200363185Y1 (en) * | 2004-07-01 | 2004-09-24 | (주) 정우카프링 | Coupling for pipe arrangement |
| CN205716120U (en) * | 2016-04-07 | 2016-11-23 | 大连凯斯博格设备制造有限公司 | A kind of assembling pipe joint with Simple sealing circle |
| CN211083184U (en) * | 2019-10-25 | 2020-07-24 | 杭州玛努利液压器材有限公司 | Hose clamp and hose assembly thereof |
| CN211398861U (en) * | 2019-11-07 | 2020-09-01 | 安徽莱鑫精密特种钢管有限公司 | High-strength stainless steel seamless steel pipe |
| CN211624483U (en) * | 2019-12-11 | 2020-10-02 | 吴启云 | Coal mine ventilation pipeline connecting device |
| CN212251566U (en) * | 2020-05-12 | 2020-12-29 | 宁波埃尔法流体技术有限公司 | Quick connect coupling assembly |
| CN212319058U (en) * | 2020-06-03 | 2021-01-08 | 淄博富源建材有限公司 | Petroleum pipeline connecting and fastening device |
| CN214618313U (en) * | 2021-01-19 | 2021-11-05 | 广东安捷流体技术有限公司 | Novel pipeline connector |
| CN113700955A (en) * | 2021-09-29 | 2021-11-26 | 浙江卡倍力流体科技有限公司 | Pipeline connection structure suitable for transportation of positive and negative pressure of pipeline |
-
2021
- 2021-12-27 CN CN202111610257.5A patent/CN114211195A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200363185Y1 (en) * | 2004-07-01 | 2004-09-24 | (주) 정우카프링 | Coupling for pipe arrangement |
| CN205716120U (en) * | 2016-04-07 | 2016-11-23 | 大连凯斯博格设备制造有限公司 | A kind of assembling pipe joint with Simple sealing circle |
| CN211083184U (en) * | 2019-10-25 | 2020-07-24 | 杭州玛努利液压器材有限公司 | Hose clamp and hose assembly thereof |
| CN211398861U (en) * | 2019-11-07 | 2020-09-01 | 安徽莱鑫精密特种钢管有限公司 | High-strength stainless steel seamless steel pipe |
| CN211624483U (en) * | 2019-12-11 | 2020-10-02 | 吴启云 | Coal mine ventilation pipeline connecting device |
| CN212251566U (en) * | 2020-05-12 | 2020-12-29 | 宁波埃尔法流体技术有限公司 | Quick connect coupling assembly |
| CN212319058U (en) * | 2020-06-03 | 2021-01-08 | 淄博富源建材有限公司 | Petroleum pipeline connecting and fastening device |
| CN214618313U (en) * | 2021-01-19 | 2021-11-05 | 广东安捷流体技术有限公司 | Novel pipeline connector |
| CN113700955A (en) * | 2021-09-29 | 2021-11-26 | 浙江卡倍力流体科技有限公司 | Pipeline connection structure suitable for transportation of positive and negative pressure of pipeline |
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