CN111692442A - Pipeline connecting device for hydraulic engineering - Google Patents
Pipeline connecting device for hydraulic engineering Download PDFInfo
- Publication number
- CN111692442A CN111692442A CN202010736831.0A CN202010736831A CN111692442A CN 111692442 A CN111692442 A CN 111692442A CN 202010736831 A CN202010736831 A CN 202010736831A CN 111692442 A CN111692442 A CN 111692442A
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- CN
- China
- Prior art keywords
- pipe joint
- pipe
- sealing
- clamping
- connecting device
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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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/009—Combination of a quick-acting type coupling and a conventional one
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
- F16L37/127—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using hooks hinged about an axis
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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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
Abstract
The invention discloses a pipeline connecting device for hydraulic engineering, relates to the field of hydraulic engineering, solves the problem that the pipeline connecting device in the prior art is inconvenient to install, and has the technical key points that: the pipe joint comprises a first pipe joint and a second pipe joint, wherein the first pipe joint is fixedly connected with the second pipe joint, a sealing pipe is arranged between the first pipe joint and the second pipe joint, the sealing pipe is in a cylindrical shape with openings at two ends, chamfers are arranged at two ends of the sealing pipe, the first pipe joint and the second pipe joint are fixedly connected through a clamping strip, one end of the clamping strip is hinged to the first pipe joint, a stop block is arranged at the other end of the clamping strip, the stop block is clamped on the second pipe joint, a plurality of groups of clamping strips are arranged, the clamping strips are fixedly connected through fixing rings, the fixing rings are annular, and the fixing rings are sleeved on the clamping strips; according to the invention, the first pipe joint and the second pipe joint are fixed through the clamping strip, so that the convenience of disassembling the first pipe joint and the second pipe joint is improved.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a pipeline connecting device for hydraulic engineering.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, also called water engineering, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the needs of human beings, and water flow can be controlled only by building the hydraulic engineering to prevent flood disasters and adjust and distribute water quantity to meet the needs of people for life and production on water resources.
For example, chinese patent publication No. CN208951469U discloses a pipe connection device for hydraulic engineering, which comprises a pair of water pipes, a sealing ring is sleeved at the joint of the pair of water pipes, a waterproof glue layer is coated at the inner end of the sealing ring, the outer end of the water pipe is fixedly connected with a fixing ring, one end of the fixing ring away from the water pipe is fixedly connected with a plurality of uniformly distributed epitaxial plates, a tension screw is arranged between the pair of epitaxial plates, a through hole matched with the tension screw is chiseled on the epitaxial plate, a nut is screwed on the tension screw, and the pair of extension plates are connected with each other by the matching of the tensioning screw and the nut, one ends of the pair of fixing rings close to each other are fixedly connected with a protective outer cylinder, a waterproof adhesive tape is bonded between the pair of protective outer cylinders, the water delivery safety valve can improve the connection sealing performance between water delivery pipelines, is not easy to leak due to overlarge water pressure, and improves the water delivery safety in water conservancy projects. However, the device is not convenient to connect with a pipeline, and the problem of inconvenient use exists, so that the pipeline connecting device for the hydraulic engineering is provided.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pipeline connecting device for hydraulic engineering to solve the problem that the pipeline connecting device in the prior art is inconvenient to install.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a pipeline connecting device for hydraulic engineering, including first coupling and second coupling, first coupling and second coupling fixed connection, be equipped with the sealed tube between first coupling and the second coupling, the sealed tube is equipped with the open-ended tube-shape for both ends, the both ends of sealed tube are equipped with the chamfer, sealing connection between first coupling and second coupling and the sealed tube, first coupling and second coupling pass through card strip fixed connection, the one end of card strip articulates on first coupling, the other end of card strip is equipped with the dog, the dog card is established on second coupling, the card strip is equipped with the multiunit, and the card strip passes through retainer plate fixed connection, the retainer plate is cyclic annular, the retainer plate cover is established on the card strip.
As a further scheme of the invention, a first sinking platform is arranged on the first pipe joint, a second sinking platform is arranged on the second pipe joint, and chamfers at two ends of the sealing pipe are respectively contacted with the edges of the first sinking platform and the second sinking platform.
As a further scheme of the invention, sealing rings are arranged at two ends of the sealing tube, and the first sinking platform and the hinged support lug are two-stage sinking platforms.
As a further scheme of the invention, the surfaces of the first sinking platform, the second sinking platform and the sealing pipe are all provided with anticorrosive coatings.
As a further scheme of the invention, the outer side of the first pipe joint is also provided with a hinged support lug, the clamping strip is in a strip shape, one end of the clamping strip is provided with a support lug hole, the support lug hole is arranged on the hinged support lug through a pin shaft, the opening part of the second pipe joint is provided with a clamping ring, the clamping ring is an annular flange, and the stop block is clamped on the clamping ring.
As a further proposal of the invention, the baffle block is also provided with a chamfer at one surface close to the lug hole.
As a further scheme of the invention, the clamping strip is also provided with a fixed groove, and the fixed ring is arranged in the fixed groove; the retainer plate is cyclic annular, is equipped with the breach on the retainer plate, and the breach department of retainer plate is equipped with the fixed block, is equipped with the fixed orifices on the fixed block, and the retainer plate passes through the bolt fastening.
According to a further scheme of the invention, a fixing ring is further sleeved on the second pipe joint, and the fixing ring is annular.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
according to the invention, the first pipe joint and the second pipe joint are fixed through the clamping strip, so that the convenience of disassembling the first pipe joint and the second pipe joint is improved.
According to the invention, the clamping strip is fixed by the fixing ring, so that the stability of the clamping strip is improved, and compared with the prior art, the connection of the clamping strip is more stable.
The invention also improves the sealing performance of the pipeline connection and simultaneously improves the repair efficiency of water leakage at the pipeline connection position through the matching of the sealing pipe and the sealing ring.
Drawings
Fig. 1 is a schematic structural view of a pipe connecting device for hydraulic engineering.
Fig. 2 is a schematic structural view of a first pipe joint in the pipe connecting device for hydraulic engineering.
Fig. 3 is a schematic structural view of a second pipe joint in the pipe connecting device for hydraulic engineering.
Fig. 4 is a schematic structural view of a clamping strip in the pipe connecting device for hydraulic engineering.
Fig. 5 is a schematic structural view of a fixing ring in the pipe connecting device for hydraulic engineering.
Reference numerals: 1-a first pipe joint, 11-a first sinking platform, 12-a hinged support lug, 13-a first flange, 2-a second pipe joint, 21-a second sinking platform, 3-a sealing pipe, 4-a clamping strip, 41-a support lug hole, 42-a stop block, 43-a fixing groove, 5-a fixing ring, 51-a fixing block, 6-a fixing ring and 7-a sealing ring.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, a pipeline connecting device for hydraulic engineering comprises a first pipe joint 1 and a second pipe joint 2, wherein the first pipe joint 1 and the second pipe joint 2 are fixedly connected, a sealing pipe 3 is arranged between the first pipe joint 1 and the second pipe joint 2, the sealing pipe 3 is in a cylindrical shape with openings at two ends, chamfers are arranged at two ends of the sealing pipe 3, the first pipe joint 1, the second pipe joint 2 and the sealing pipe 3 are in sealing connection, the first pipe joint 1 and the second pipe joint 2 are fixedly connected through a clamping strip 4, one end of the clamping strip 4 is hinged on the first pipe joint 1, the other end of the clamping strip 4 is provided with a stop dog 42, the stop dog 42 is clamped on the second pipe joint 2, the clamping strips 4 are provided with a plurality of groups, the clamping strips 4 are fixedly connected through a fixing ring 5, the fixing ring 5 is annular, and the fixing ring 5 is sleeved on the; during installation, the sealing tube 3 is placed between the first pipe joint 1 and the second pipe joint 2, the clamping strip 4 is rotated, the stop block 42 is clamped on the second pipe joint 2, and then the fixing ring 5 is fixed on the clamping strip 4;
as shown in fig. 2 and 3, a first sinking platform 11 is arranged on the first pipe joint 1, a second sinking platform 21 is arranged on the second pipe joint 2, chamfers at two ends of the sealing pipe 3 are respectively contacted with edges of the first sinking platform 11 and the second sinking platform 21, so that the first sinking platform 11 and the second sinking platform 21 and the sealing pipe 3 have the function of end face sealing, and metal sealing is arranged between the first sinking platform 11 and the sealing pipe 3 and between the second sinking platform 21 and the sealing pipe 3, so that the sealing time efficiency between the first sinking platform 11 and the sealing pipe 3 is longer;
in some examples, the surfaces of the first sinking platform 11, the second sinking platform 21 and the sealing pipe 3 are all provided with anticorrosive coatings, so that the first sinking platform 11, the second sinking platform 21 and the sealing pipe 3 are prevented from being rusted by water and outside air in the pipeline;
the outer side of the first pipe joint 1 is also provided with hinge lugs 12, the clamping strips 4 are hinged on the hinge lugs 12, the hinge lugs 12 are uniformly distributed around the axis of the first pipe joint 1, and in some examples, six groups of hinge lugs 12 are arranged; a clamping ring is arranged at the opening part of the second pipe joint 2, the clamping ring is an annular flange, and the stop block 42 is clamped on the clamping ring, so that the relative motion along the axial line between the first pipe joint 1 and the second pipe joint 2 is prevented;
as shown in fig. 4, the clamping strip 4 is in a strip shape, one end of the clamping strip 4 is provided with a lug hole 41, the lug hole 41 is installed on the hinge lug 12 through a pin shaft, the stop block 42 is a square block, the stop block 42 is arranged at one end of the clamping strip 4 far away from the lug hole 41, when the clamping strip 4 is parallel to the axes of the first pipe joint 1 and the second pipe joint 2, the stop block 42 is arranged at one side of the snap ring on the second pipe joint 2 far away from the first pipe joint 1, so that the clamping strip 4 is clamped on the second pipe joint 2, and when the clamping strip 4 fixes the first pipe joint 1 and the second pipe joint 2, the hinge lug 12 and the stop block 42 clamp the first pipe joint 1 and the second pipe joint 2, so that the first pipe joint 1 and the second pipe joint 2 clamp the sealing pipe 3, and further the first pipe joint 1 and the second pipe joint 2 are in sealing connection with the sealing;
preferably, a chamfer is further arranged on one side of the stop block 42 close to the lug hole 41, the chamfer is used for preventing the stop block 42 from interfering with the second pipe joint 2, when the clamping strip 4 rotates on the hinged lug 12, the chamfer is firstly contacted with the clamping ring, and the stop block 42 can be smoothly clamped on the clamping ring under the action of an upper inclined plane of the chamfer;
as shown in fig. 5, the fixing ring 5 is annular, a notch is formed in the fixing ring 5, a fixing block 51 is arranged at the notch of the fixing ring 5, a fixing hole is formed in the fixing block 51, the fixing ring 5 is fixed through a bolt, and when the fixing ring 5 is sleeved on the clamping strip 4, the bolt is screwed, so that the fixing ring 5 clamps the clamping strip 4, the clamping strip 4 is prevented from being separated from the second pipe joint 2, and the connection tightness between the first pipe joint 1 and the second pipe joint 2 is improved;
preferably, the clip strip 4 is further provided with a fixing groove 43, and the fixing ring 5 is disposed in the fixing groove 43, so that the fixing ring 5 can be prevented from being separated from the clip strip 4.
Example 2
As shown in fig. 1, a pipeline connecting device for hydraulic engineering comprises a first pipe joint 1 and a second pipe joint 2, wherein the first pipe joint 1 and the second pipe joint 2 are fixedly connected, a sealing pipe 3 is arranged between the first pipe joint 1 and the second pipe joint 2, the sealing pipe 3 is in a cylindrical shape with openings at two ends, chamfers are arranged at two ends of the sealing pipe 3, the first pipe joint 1, the second pipe joint 2 and the sealing pipe 3 are in sealing connection, the first pipe joint 1 and the second pipe joint 2 are fixedly connected through a clamping strip 4, one end of the clamping strip 4 is hinged on the first pipe joint 1, the other end of the clamping strip 4 is provided with a stop dog 42, the stop dog 42 is clamped on the second pipe joint 2, the clamping strips 4 are provided with a plurality of groups, the clamping strips 4 are fixedly connected through a fixing ring 5, the fixing ring 5 is annular, and the fixing ring 5 is sleeved on the; during installation, the sealing tube 3 is placed between the first pipe joint 1 and the second pipe joint 2, the clamping strip 4 is rotated, the stop block 42 is clamped on the second pipe joint 2, and then the fixing ring 5 is fixed on the clamping strip 4;
preferably, in this embodiment, a fixing ring 6 is further sleeved on the second pipe joint 2, the fixing ring 6 is annular, and the fixing ring 6 can increase the clamping force of the first pipe joint 1 and the second pipe joint 2 on the sealing pipe 3 when the length of the sealing pipe 3 is short;
in some examples, the two ends of the sealing pipe 3 are further provided with sealing rings 7, the first sunken platform 11 and the hinge support lug 12 are both two-stage sunken platforms, and the sealing rings 7 are used for increasing the sealing performance between the first pipe joint 1 and the second pipe joint 2 and the sealing pipe 3;
other structures in this embodiment are the same as those in embodiment 1.
In summary, the working principle of the invention is as follows:
during installation, the sealing tube 3 is placed between the first pipe joint 1 and the second pipe joint 2, the clamping strip 4 is rotated, the stop block 42 is clamped on the second pipe joint 2, and then the fixing ring 5 is fixed on the clamping strip 4; chamfers at two ends of the sealing pipe 3 are in contact with the edges of the first sinking platform 11 and the second sinking platform 21 respectively, so that the first sinking platform 11, the second sinking platform 21 and the sealing pipe 3 have an end face sealing effect, and the first sinking platform 11, the second sinking platform 21 and the sealing pipe 3 are in metal sealing, so that the sealing time between the first sinking platform 11, the second sinking platform 21 and the sealing pipe 3 is longer, and the sealing performance between the first pipe joint 1, the second pipe joint 2 and the sealing pipe 3 can be further improved due to the arrangement of the sealing ring 7;
when the terminal surface of sealed tube 3 appears the corrosion, use grinding device to polish smoothly the both ends chamfer of sealed tube 3, then install solid fixed ring 6 between second coupling 2 and dog 42, install sealed tube 3 again between first string coupling 1 and the second coupling 2 to restore the sealing performance between first coupling 1 and second coupling 2 and sealed tube 3, improved the repair efficiency that the pipe connection department leaked.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A pipeline connecting device for hydraulic engineering comprises a first pipe joint (1) and a second pipe joint (2), wherein the first pipe joint (1) and the second pipe joint (2) are fixedly connected, and the pipeline connecting device is characterized in that a sealing pipe (3) is arranged between the first pipe joint (1) and the second pipe joint (2), the sealing pipe (3) is in a cylindrical shape with openings at two ends, chamfers are arranged at two ends of the sealing pipe (3), the first pipe joint (1) and the second pipe joint (2) are in sealing connection with the sealing pipe (3), the first pipe joint (1) and the second pipe joint (2) are fixedly connected through a clamping strip (4), one end of the clamping strip (4) is hinged on the first pipe joint (1), a stop block (42) is arranged at the other end of the clamping strip (4), the stop block (42) is clamped on the second pipe joint (2), a plurality of groups of clamping strips (4) are arranged, and the clamping strips (4) are fixedly connected through a fixing ring (5), the fixed ring (5) is annular, and the fixed ring (5) is sleeved on the clamping strip (4).
2. The pipe connection device for the hydraulic engineering according to claim 1, wherein a first sinking platform (11) is arranged on the first pipe joint (1), a second sinking platform (21) is arranged on the second pipe joint (2), and chamfers at two ends of the sealing pipe (3) are respectively in contact with edges of the first sinking platform (11) and the second sinking platform (21).
3. The pipeline connecting device for the hydraulic engineering according to claim 2, wherein sealing rings (7) are further arranged at two ends of the sealing pipe (3), and the first sinking platform (11) and the hinged support lug (12) are two-stage sinking platforms.
4. The pipe connection device for the hydraulic engineering according to claim 2, wherein the surfaces of the first sinking platform (11), the second sinking platform (21) and the sealing pipe (3) are provided with anticorrosive coatings.
5. The pipe connecting device for the water conservancy project according to claim 1, characterized in that a hinged support lug (12) is further arranged on the outer side of the first pipe joint (1), the clamping strip (4) is strip-shaped, a support lug hole (41) is formed in one end of the clamping strip (4), the support lug hole (41) is installed on the hinged support lug (12) through a pin shaft, a clamping ring is arranged at the opening of the second pipe joint (2), the clamping ring is an annular flange, and the stop block (42) is clamped on the clamping ring.
6. The hydraulic-engineering pipe connecting device according to claim 1, wherein the stopper (42) is further provided with a chamfer on a side near the lug hole (41).
7. The pipeline connecting device for the water conservancy project according to claim 1, characterized in that the clamping strip (4) is further provided with a fixing groove (43), and the fixing ring (5) is arranged in the fixing groove (43); retainer plate (5) are cyclic annular, are equipped with the breach on retainer plate (5), and the breach department of retainer plate (5) is equipped with fixed block (51), is equipped with the fixed orifices on fixed block (51), and retainer plate (5) are fixed through the bolt.
8. The pipeline connecting device for the water conservancy project according to any one of claims 1 to 7, characterized in that a fixing ring (6) is further sleeved on the second pipe joint (2), and the fixing ring (6) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736831.0A CN111692442A (en) | 2020-07-28 | 2020-07-28 | Pipeline connecting device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010736831.0A CN111692442A (en) | 2020-07-28 | 2020-07-28 | Pipeline connecting device for hydraulic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692442A true CN111692442A (en) | 2020-09-22 |
Family
ID=72487000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010736831.0A Withdrawn CN111692442A (en) | 2020-07-28 | 2020-07-28 | Pipeline connecting device for hydraulic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692442A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081799A (en) * | 2020-10-19 | 2020-12-15 | 泰州盛平精密机械配件有限公司 | High-sealing and back-locking integrated quick connector |
| CN113078608A (en) * | 2021-03-26 | 2021-07-06 | 吕红城 | Cable joint |
| CN113339608A (en) * | 2020-09-24 | 2021-09-03 | 湖南意风环保科技有限公司 | Water feeding pipeline convenient to install |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2703128A1 (en) * | 1993-03-26 | 1994-09-30 | Fancello Michele | Quick coupling device for piping for fluid under pressure. |
| CN204062242U (en) * | 2014-05-30 | 2014-12-31 | 鸿基不锈钢有限公司 | Many sealed types tubing joint system |
| CN205191010U (en) * | 2015-11-27 | 2016-04-27 | 西安优耐特容器制造有限公司 | Take threaded for union of lens washer |
| CN107654764A (en) * | 2017-08-18 | 2018-02-02 | 成都毅诚机电工程有限公司 | A kind of easy air-conditioning duct attachment structure |
| CN209262488U (en) * | 2018-10-18 | 2019-08-16 | 杨雄 | A kind of Anti-leakage type natural gas rapid installation device |
| CN209892894U (en) * | 2019-05-13 | 2020-01-03 | 江西瑞钛管道有限公司 | Metal buckling and pressing type connecting assembly for pipe body connection |
-
2020
- 2020-07-28 CN CN202010736831.0A patent/CN111692442A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2703128A1 (en) * | 1993-03-26 | 1994-09-30 | Fancello Michele | Quick coupling device for piping for fluid under pressure. |
| CN204062242U (en) * | 2014-05-30 | 2014-12-31 | 鸿基不锈钢有限公司 | Many sealed types tubing joint system |
| CN205191010U (en) * | 2015-11-27 | 2016-04-27 | 西安优耐特容器制造有限公司 | Take threaded for union of lens washer |
| CN107654764A (en) * | 2017-08-18 | 2018-02-02 | 成都毅诚机电工程有限公司 | A kind of easy air-conditioning duct attachment structure |
| CN209262488U (en) * | 2018-10-18 | 2019-08-16 | 杨雄 | A kind of Anti-leakage type natural gas rapid installation device |
| CN209892894U (en) * | 2019-05-13 | 2020-01-03 | 江西瑞钛管道有限公司 | Metal buckling and pressing type connecting assembly for pipe body connection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339608A (en) * | 2020-09-24 | 2021-09-03 | 湖南意风环保科技有限公司 | Water feeding pipeline convenient to install |
| CN112081799A (en) * | 2020-10-19 | 2020-12-15 | 泰州盛平精密机械配件有限公司 | High-sealing and back-locking integrated quick connector |
| CN112081799B (en) * | 2020-10-19 | 2022-02-08 | 泰州盛平精密机械配件有限公司 | High-sealing and back-locking integrated quick connector |
| CN113078608A (en) * | 2021-03-26 | 2021-07-06 | 吕红城 | Cable joint |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200922 |
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| WW01 | Invention patent application withdrawn after publication |