CN108194741B - Compressed gas supply pipeline - Google Patents
Compressed gas supply pipeline Download PDFInfo
- Publication number
- CN108194741B CN108194741B CN201810082523.3A CN201810082523A CN108194741B CN 108194741 B CN108194741 B CN 108194741B CN 201810082523 A CN201810082523 A CN 201810082523A CN 108194741 B CN108194741 B CN 108194741B
- Authority
- CN
- China
- Prior art keywords
- joint
- exhaust
- supply pipe
- air supply
- locking
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000010030 laminating Methods 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe
-
- 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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a compressed gas supply pipeline, which comprises a plurality of gas supply pipes connected in sequence, wherein the surfaces of the gas supply pipes are provided with exhaust holes, and exhaust connectors are arranged on the exhaust holes; the exhaust connector is formed by mutually overlapping and splicing a left connector and a right connector and then fixedly connecting the left connector and the right connector, the connecting end and the arc-shaped lower end face are positioned on the same connector among the left connector or the right connector, the left end and the right end of the exhaust connector are respectively hooked and fastened with locking ribs through a left hook at the lower end of the left connector and a right hook at the lower end of the right connector, an annular groove is formed in the arc-shaped lower end face, and an O-shaped sealing ring is arranged in the groove.
Description
Technical Field
The invention relates to the technical field of fluid conveying, in particular to a compressed gas supply pipeline.
Background
The pipeline for compressor air supply is usually a carbon steel or stainless steel pipeline, and the main pipeline air supply pipe is usually sealed by welding or adopting a screw thread or flange sealing gasket; when a part of the main air supply pipe is connected with the branch air supply pipe or when an external component (such as a pressure gauge) is connected with the main air supply pipe or the branch air supply pipe, an exhaust hole is often arranged on the air supply pipe, and an exhaust joint is arranged at the exhaust hole to connect the branch air supply pipe or the external component. In the prior art, the exhaust joint is directly welded at the exhaust hole of the air supply pipe, the problems of welding tightness, air holes, welding slag, uneven butt joint and other construction quality exist in the way of welding the exhaust joint, the construction quality is difficult to change after installation, and most importantly, if the conveyed air is provided with moisture, after the pipelines are used for a period of time, particularly the carbon steel pipelines, the inner wall of the pipelines is easy to rust, the quality of the air is reduced, the service life of air utilization equipment is shortened, the production and even the production stop are influenced when the air utilization is serious, meanwhile, the pressure of the air is high because the air supply in the pipelines is compressed air, the air exhaust joint is a stress concentration part or a shearing force which is easy to generate at the welding part, and the welding part is difficult to treat, so that the cracking is easy to cause the air leakage or the occurrence of safety accident. In addition, the operation of welding the exhaust joint on the air supply pipe is troublesome, the time is long, and the integral progress of engineering construction is easily tired.
Disclosure of Invention
Aiming at the defects of the air supply pipeline in the prior art, the invention provides the compressed air supply pipeline, which improves the installation efficiency of the air supply pipeline and ensures the safety of the air supply pipeline.
In order to achieve the technical effects, the invention adopts the following technical scheme:
The utility model provides a compressed gas's air supply line, includes a plurality of air supply pipe that connects gradually, the air supply pipe surface is equipped with the exhaust hole, installs exhaust joint on the exhaust hole, its characterized in that, exhaust hole both sides symmetry is equipped with the hasp muscle, the hasp muscle sets up along air supply pipe length direction, exhaust joint demountable installation is in the exhaust hole top, exhaust joint lower extreme corresponds and is equipped with hook groove relative and can hook left pothook and right pothook of the hasp muscle of exhaust hole both sides respectively, exhaust joint middle part is equipped with air supply pipe surface assorted arc lower terminal surface, this arc lower terminal surface butt air supply pipe surface and cover the exhaust hole entirely, exhaust joint still is equipped with cylindric connection end, the connection end is equipped with the arc lower terminal surface that runs through exhaust joint and is linked together with the exhaust hole, the interface hole aligns with the exhaust hole center, the interface hole upper end is equipped with the internal thread; the exhaust connector is formed by mutually overlapping and splicing a left connector and a right connector and then fixedly connecting bolts, the left connector and the right connector are of an integrated structure, the arc-shaped lower end face of the surface of the connecting end head and the butt air supply pipe is positioned on the same connector among the left connector or the right connector, the left end and the right end of the exhaust connector are respectively hooked with a locking rib through a left hook at the lower end of the left connector and a right hook at the lower end of the right connector, an annular groove concentric with an exhaust hole is formed in the arc-shaped lower end face, the inner circle diameter of the groove is larger than the diameter of the exhaust hole, and an O-shaped sealing ring is arranged in the groove.
Further, the air supply pipe is made of an aluminum alloy material.
Further, the locking ribs extend along the outer surface of the air supply pipe and the length direction of the air supply pipe body, four locking ribs are arranged in total, and the four locking ribs are distributed in an annular array.
Further, the cross section of the locking rib is of a quadrilateral structure, the surface of a diagonal line of the locking rib is coplanar with the central line of the air supply pipe, the locking rib is bilaterally symmetrical to the surface of the diagonal line, the connecting part of the locking rib and the air supply pipe is provided with a rounding, and the edge of the locking rib is also provided with a rounding.
Further, mounting holes which are identical to the length direction of the air supply pipe are formed in the two ends of the locking ribs, and internal threads are arranged at the two ends of the locking ribs in the mounting holes.
Further, the exhaust joint is made of metal materials or engineering plastics.
Further, the upper end of the left joint is fixedly connected with the upper end of the right joint through a transverse bolt.
Further, the left joint right-hand member is equipped with the laminating piece of being connected with left pothook, the connection end is located laminating piece upper surface intermediate position, the lower terminal surface of arc is the lower surface of laminating piece, the laminating piece is equipped with the locking separation blade that is connected with the front and back lateral wall of connection end left end, the locking separation blade is upright sheet structure, and the locking separation blade is equipped with the bolt hole.
Further, the left end of right joint is equipped with the strap that is connected and can overlap joint at laminating piece upper surface with right pothook, but be equipped with the butt piece of butt joint end in the middle of the strap left end, butt piece and connection end outer wall assorted are semi-annular structure, and the butt piece front and back end corresponds the laminating separation blade that is connected with butt locking separation blade, laminating separation blade corresponds and is equipped with the bolt hole.
Further, the front end and the rear end of the attaching sheet and the bonding sheet are respectively provided with a supporting rib, the supporting ribs of the left joint are correspondingly connected with the upper end face of the left clamping hook and the left end face of the locking baffle, and the supporting ribs of the right joint are connected with the upper end face of the right clamping hook and the right end face of the attaching baffle.
Compared with the prior art, the invention has the beneficial effects that: the left joint and the right joint are locked by bolts after being lapped and spliced, the connecting end of the exhaust joint and the arc-shaped lower end face abutting against the surface of the air supply pipe are arranged at the same joint, a groove is arranged on the arc-shaped lower end face, and an O-shaped sealing ring is arranged in the groove. According to the invention, the conventional welding mode of the exhaust joint in the prior art is changed, and a brand new structure is adopted, so that the defect caused by welding of the exhaust joint in the prior art can be overcome, the installation efficiency of the air supply pipeline is greatly improved, the safety of the air supply pipeline is ensured, and convenience is brought to later maintenance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a gas supply pipe according to the present invention;
FIG. 3 is a schematic view of an exhaust joint structure according to the present invention;
FIG. 4 is a schematic view of a left joint structure according to the present invention;
Fig. 5 is a schematic view of the right joint structure of the present invention.
The reference numerals and corresponding names in the drawings are as follows:
100. An air supply pipe; 110. An exhaust hole; 120. A locking rib; 121. A mounting hole;
200. an exhaust joint; 210. A left joint; 211. A left hook; 212. A connecting end;
213. A bonding sheet; 214. Locking the baffle; 215. A support rib; 220. A right joint;
221. A right clamping hook; 222. A contact piece; 223 overlap tab; 224. Attaching a baffle;
225. a support rib; 300. And (3) sealing rings.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
A compressed gas supply line, as shown in fig. 1, is composed of a plurality of aluminum alloy gas supply pipes 100 connected in sequence and a gas discharge joint 200 made of metal or engineering plastic installed on the gas supply pipes 100.
As shown in fig. 1 and 2, the outer surface of the gas supply pipe 100 is provided with a gas discharge hole 110 and four locking ribs 120 extending together along the length direction of the gas supply pipe 100 body, the four locking ribs 120 are distributed in an annular array, and the distance from the gas discharge hole 110 to two adjacent locking ribs 120 is the same. The cross section of the latch bar 120 is a quadrilateral structure, a surface of a diagonal line of the latch bar 120 is coplanar with the central line of the air supply pipe 100, the latch bar 120 is bilaterally symmetrical with respect to the surface of the diagonal line, the latch bar 120 is provided with a rounding at the joint with the air supply pipe 100, and the latch bar 120 is also provided with a rounding at the edge. The locking rib 120 is provided at both ends with mounting holes 121 identical to the length direction of the gas supply pipe 100, and in order to facilitate the connection of another gas supply pipe 100 through a flange on the end surface of the gas supply pipe 100, the mounting holes 121 are provided at both ends of the locking rib 120 with female screws.
As shown in fig. 1, 3-5, the exhaust connector 200 is removably mounted over the exhaust aperture 110. The lower end of the exhaust joint 200 is correspondingly provided with a left clamping hook 211 and a right clamping hook 221 which are opposite in hooking groove and can respectively clamp the locking ribs 120 at two sides of the exhaust hole 110, the middle part of the exhaust joint 200 is provided with an arc-shaped lower end surface matched with the surface of the air supply pipe 100, and the arc-shaped lower end surface is abutted against the surface of the air supply pipe 100 and completely covers the exhaust hole 110. The exhaust joint 200 is further provided with a cylindrical connecting end 212, the connecting end 212 is provided with an interface hole penetrating through the arc-shaped lower end face of the exhaust joint 200 and communicated with the exhaust hole 110, the interface hole is aligned with the center of the exhaust hole 110, and the upper end of the interface hole is provided with internal threads. The exhaust joint 200 is formed by mutually overlapping and splicing a left joint 210 and a right joint 220 and fixedly connecting the left joint 210 and the right joint 220 through bolts, wherein the left joint 210 and the right joint 220 are of an integrated structure, and a connecting end 212 and an arc-shaped lower end surface abutting against the surface of the gas supply pipe 100 are both positioned on the left joint 210. The left end and the right end of the exhaust joint 200 are respectively hooked and fastened with the locking rib 120 through a left hook 211 at the lower end of the left joint 210 and a right hook 221 at the lower end of the right joint 220, and the upper end of the left joint 210 is fixedly connected with the upper end of the right joint 220 through a transverse bolt. The right end of the left joint 210 is provided with a bonding sheet 213 connected with the left clamping hook 211, the connecting end 212 is positioned in the middle of the upper surface of the bonding sheet 213, the arc lower end surface is the lower surface of the bonding sheet 213, the arc lower end surface is provided with an annular groove concentric with the exhaust hole 110, the diameter of the inner circle of the groove is larger than that of the exhaust hole 110, and an O-shaped sealing ring 300 is arranged in the groove. The upper surface of the attaching piece 213 is provided with a locking baffle 214 connected with the front and rear side walls of the left end of the connecting end 212, the locking baffle 214 is of an upright sheet structure, and the locking baffle 214 is provided with a bolt hole. The left end of right joint 220 is equipped with and is connected and can overlap joint in the strap 223 of laminating piece 213 upper surface with right pothook 221, and strap 223 left end centre is equipped with the butt piece 222 that can butt joint end 212, and butt piece 222 and connecting end 212 outer wall phase-match are semi-annular structure, and butt piece 222 front and back end corresponds and is connected with the laminating separation blade 224 of butt locking separation blade 214, and laminating separation blade 224 corresponds and is equipped with the bolt hole. The front and rear ends of the attaching piece 213 and the bonding piece 223 are respectively provided with supporting ribs 215 and 225, the supporting rib 215 of the left joint 210 is correspondingly connected with the upper end face of the left clamping hook 211 and the left end face of the locking baffle 214, and the supporting rib 225 of the right joint 220 is connected with the upper end face of the right clamping hook 221 and the right end face of the attaching baffle 224.
When the air supply pipeline is installed, the two ends of the air supply pipe are connected through adopting flange sealing connection or adopting internal threads arranged at the pipe orifice of the air supply pipe to be connected through adopting thread sealing connection, the air supply pipe exhaust hole is firstly provided with the air exhaust joint, then the joint hole of the air exhaust joint is connected with another pipeline or other parts (such as a pressure gauge and the like), when the air exhaust joint is installed, an O-shaped sealing ring is arranged in a groove of the left joint, the left clamping hook of the left joint is hooked with a locking rib at the air exhaust hole, the right clamping hook of the right joint is hooked with another locking rib, the right joint bridging piece is lapped on the left joint bridging piece, and then the air exhaust joint is locked through bolts inserted into bolt holes of the locking baffle piece and the bridging baffle piece.
According to the invention, the exhaust joint can be produced and stored in batches by a detachable mounting mode, so that the complex treatment of the exhaust hole of the air supply pipe is reduced, the working flow is simplified, the mounting efficiency is improved, the cost is reduced, and convenience is provided for the later maintenance of the pipeline; in addition, the aluminum alloy gas supply pipe is adopted, and the welding procedure of an exhaust joint is avoided, so that the construction quality problems of incomplete welding, air holes, welding slag, uneven butt joint and the like are solved, and the problems of pipeline corrosion and gas quality reduction caused by gas with moisture are also reduced; the left end and the right end of the exhaust joint are tightly clamped with the locking ribs, the left joint and the upper end of the right joint are fixedly locked after being lapped and spliced, the outer side of the exhaust hole is sealed by adopting an O-shaped sealing ring, so that the generation of stress concentration and shearing force of the welded exhaust joint at a welding position caused by large air pressure does not exist, and the safety of a pipeline is greatly improved.
The present invention is not limited to the above-described specific embodiments, and it is apparent to those skilled in the art from the above-described idea that various modifications can be made without inventive step and without departing from the scope of the present invention.
Claims (5)
1. The utility model provides a compressed gas's air supply line, includes a plurality of air supply pipe that connects gradually, the air supply pipe surface is equipped with the exhaust hole, installs exhaust joint on the exhaust hole, its characterized in that, exhaust hole both sides symmetry is equipped with the hasp muscle, the hasp muscle sets up along air supply pipe length direction, exhaust joint demountable installation is in the exhaust hole top, exhaust joint lower extreme corresponds and is equipped with hook groove relative and can hook left pothook and right pothook of the hasp muscle of exhaust hole both sides respectively, exhaust joint middle part is equipped with air supply pipe surface assorted arc lower terminal surface, this arc lower terminal surface butt air supply pipe surface and cover the exhaust hole entirely, exhaust joint still is equipped with cylindric connection end, the connection end is equipped with the arc lower terminal surface that runs through exhaust joint and is linked together with the exhaust hole, the interface hole aligns with the exhaust hole center, the interface hole upper end is equipped with the internal thread; the exhaust joint is formed by mutually overlapping and splicing a left joint and a right joint and fixedly connecting the left joint and the right joint through bolts, the left joint and the right joint are of an integrated structure, the connecting end and the arc-shaped lower end face abutting against the surface of the air supply pipe are positioned on the same joint among the left joint or the right joint, the left end and the right end of the exhaust joint are respectively hooked and fastened with a locking rib through a left hook at the lower end of the left joint and a right hook at the lower end of the right joint, an annular groove concentric with an exhaust hole is formed in the arc-shaped lower end face, the inner diameter of the groove is larger than the diameter of the exhaust hole, and an O-shaped sealing ring is arranged in the groove; the locking ribs extend along the outer surface of the air supply pipe and the length direction of the air supply pipe body, four locking ribs are arranged in total, and the four locking ribs are distributed in an annular array; the cross section of the locking rib is of a quadrilateral structure, the surface of a diagonal line of the locking rib is coplanar with the central line of the air supply pipe, the locking rib is bilaterally symmetrical relative to the surface of the diagonal line, the connecting part of the locking rib and the air supply pipe is provided with a rounding angle, and the edge of the locking rib is also provided with a rounding angle; the upper end of the left joint is fixedly connected with the upper end of the right joint through a transverse bolt; the right end of the left joint is provided with a fitting piece connected with a left clamping hook, the connecting end is positioned in the middle of the upper surface of the fitting piece, the lower arc-shaped end face is the lower surface of the fitting piece, the fitting piece is provided with a locking baffle connected with the front side wall and the rear side wall of the left end of the connecting end, the locking baffle is of an upright sheet-shaped structure, and the locking baffle is provided with a bolt hole; the left end that the right joint was equipped with and is connected and can overlap joint the strap at laminating piece upper surface with right pothook, be equipped with the butt piece that can butt joint end in the middle of the strap left end, butt piece and connection end outer wall assorted are semi-annular structure, and the butt piece front and back end corresponds the laminating separation blade that is connected with butt locking separation blade, the laminating separation blade corresponds and is equipped with the bolt hole.
2. A compressed gas supply line according to claim 1, wherein the gas supply pipe is made of an aluminium alloy material.
3. The compressed gas supply line according to claim 1, wherein the locking ribs are provided with mounting holes at both ends in the same length direction as the gas supply pipe, and the mounting holes are provided with female screws at both ends of the locking ribs.
4. A compressed gas supply line according to claim 1, wherein the exhaust fitting is made of a metallic material or engineering plastic.
5. The compressed gas supply pipeline according to claim 1, wherein the front end and the rear end of the attaching sheet and the bonding sheet are respectively provided with a supporting rib, the supporting rib of the left joint is correspondingly connected with the upper end face of the left clamping hook and the left end face of the locking baffle, and the supporting rib of the right joint is connected with the upper end face of the right clamping hook and the right end face of the attaching baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082523.3A CN108194741B (en) | 2018-01-29 | 2018-01-29 | Compressed gas supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082523.3A CN108194741B (en) | 2018-01-29 | 2018-01-29 | Compressed gas supply pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194741A CN108194741A (en) | 2018-06-22 |
| CN108194741B true CN108194741B (en) | 2024-07-16 |
Family
ID=62591725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082523.3A Active CN108194741B (en) | 2018-01-29 | 2018-01-29 | Compressed gas supply pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194741B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848505B (en) * | 2019-12-20 | 2025-03-14 | 北京吉瑞普管道技术有限公司 | A fire expansion device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201723974U (en) * | 2010-06-28 | 2011-01-26 | 龚岳强 | Quick connecting system of compressed air pipeline and connector |
| CN202580427U (en) * | 2012-05-08 | 2012-12-05 | 池州恒生科技发展有限公司 | Pipeline branching device |
| CN207777857U (en) * | 2018-01-29 | 2018-08-28 | 普派流体技术（苏州）有限公司 | A kind of supply air line of compressed gas |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040011191A (en) * | 2002-07-29 | 2004-02-05 | 이도연 | Coupling for connecting branch pipe in which the branch pipe connector is divided into two |
| US7195289B2 (en) * | 2004-03-26 | 2007-03-27 | Ingersoll-Rand Company | Fluid distribution system |
| CN201554963U (en) * | 2009-08-18 | 2010-08-18 | 上海英格索兰压缩机有限公司 | Gas pipeline for delivering compressed air |
-
2018
- 2018-01-29 CN CN201810082523.3A patent/CN108194741B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201723974U (en) * | 2010-06-28 | 2011-01-26 | 龚岳强 | Quick connecting system of compressed air pipeline and connector |
| CN202580427U (en) * | 2012-05-08 | 2012-12-05 | 池州恒生科技发展有限公司 | Pipeline branching device |
| CN207777857U (en) * | 2018-01-29 | 2018-08-28 | 普派流体技术（苏州）有限公司 | A kind of supply air line of compressed gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108194741A (en) | 2018-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201884387U (en) | Quick-change hoop of V-shaped trough | |
| CN104712863A (en) | Air pipeline fast connector | |
| CN101266003A (en) | Conveyer pipe terminal port flange | |
| CN108194741B (en) | Compressed gas supply pipeline | |
| CN204628854U (en) | Improved Air Duct Quick Connect Head | |
| CN201198934Y (en) | Port flange of conveying pipe | |
| CN221312838U (en) | Argon filling plugging device for welded junction | |
| CN101614309A (en) | Groove clamp type pipeline joint | |
| CN207777857U (en) | A kind of supply air line of compressed gas | |
| JPH10227380A (en) | Flanged pipe joint | |
| CN211289095U (en) | Multi-sealing corrosion-resistant flange | |
| CN101153679A (en) | Flange device for connecting conveying pipes | |
| CN211840680U (en) | Pipeline welding protection device | |
| CN217897465U (en) | Self-supporting sleeve chimney of convenient dismouting | |
| CN216743301U (en) | Flat welding flange with neck | |
| CN220037750U (en) | Quick connecting structure of valve | |
| CN217177780U (en) | Inlet pipe connection structure | |
| CN205424248U (en) | Removable bellows safety cover | |
| CN205078971U (en) | No weld bond ji huiguandao of high pressure | |
| CN221323585U (en) | Spiral duct assembly | |
| CN207921528U (en) | A kind of clamp type exhaust joint | |
| CN2381868Y (en) | Cup joint for pipes | |
| CN212509933U (en) | Water-cooled flue sealing structure | |
| CN211398879U (en) | Connecting device between flanges with different pressure grades | |
| CN108468884A (en) | A kind of fluid pipe fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200518 Address after: Xiangcheng District Taiping Street Suzhou city of Jiangsu Province Jin Cheng Road 215000 No. 82 Applicant after: Suzhou decan mechanical equipment Co.,Ltd. Address before: 215000 Room 518, lotus building, Xiangcheng District yuan and Xiangcheng District, Suzhou, Jiangsu Applicant before: PUPAI FLUID TECHNIQUE (SUZHOU) Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |