CN111043421B - Accurate butt joint of pipeline, quick locking joint - Google Patents
Accurate butt joint of pipeline, quick locking joint Download PDFInfo
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- CN111043421B CN111043421B CN201911082679.2A CN201911082679A CN111043421B CN 111043421 B CN111043421 B CN 111043421B CN 201911082679 A CN201911082679 A CN 201911082679A CN 111043421 B CN111043421 B CN 111043421B
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- flange
- pull buckle
- butt joint
- pipeline
- pin
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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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a pipeline accurate butt joint and quick locking joint which comprises a stepped flange, a sealing gasket and more than one pull buckle type locking assembly, wherein the stepped flange is fixedly connected with the sealing gasket; the end face of the large-diameter end of the stepped flange is provided with a convex cylindrical pin, the sealing gasket is sleeved on the cylindrical pin and is in contact with the end face of the large-diameter end of the stepped flange, and the small-diameter end of the stepped flange is fixedly connected with a pipeline; more than one pull buckle type locking assembly is uniformly fixed on a platform on the outer circumference of the large-diameter end of the stepped flange, the end face of the large-diameter end of the stepped flange is in relative contact with the end face of the outer side of the flange of the butt joint pipeline, the cylindrical pin is in clearance fit with the unthreaded hole of the flange of the butt joint pipeline to realize butt joint, and meanwhile, locking is realized through the matching of the pull buckle type locking assembly and the end face of the inner side of the flange of the butt joint pipeline. The invention can realize accurate butt joint and quick locking between pipelines, saves labor and improves efficiency.
Description
Technical Field
The invention relates to the technical field of pipeline connection, in particular to a precise butt joint and quick locking joint for a pipeline.
Background
When fluid (such as compressed gas, water and oil) equipment is tested (pipelines are cleaned and sealed), two pipelines are connected by bolts uniformly distributed on the end faces of the flanges, a plurality of bolts need to be repeatedly disassembled and assembled in a single test, more time is consumed, in addition, the bolts need to be locked by nuts when an operator moves the flanges of the pipelines, physical force of the operator is greatly consumed, and the operation can be completed by two or more operators in a cooperative mode. Therefore, in order to achieve the goal of "plug and play, convenient connection", it is necessary to design a joint capable of realizing rapid butt joint and locking of pipelines.
Disclosure of Invention
In view of this, the invention provides a joint for precisely butting and quickly locking pipelines, which can realize precise butting and quick locking between pipelines, save labor and improve efficiency.
The technical scheme adopted by the invention is as follows:
a pipeline accurate butt joint and quick locking joint comprises a stepped flange, a sealing gasket and more than one pull buckle type locking assembly;
the end face of the large-diameter end of the stepped flange is provided with a convex cylindrical pin, the sealing gasket is sleeved on the cylindrical pin and is in contact with the end face of the large-diameter end of the stepped flange, and the small-diameter end of the stepped flange is fixedly connected with a pipeline; more than one pull buckle type locking assembly is uniformly fixed on a platform on the outer circumference of the large-diameter end of the stepped flange, the end face of the large-diameter end of the stepped flange is in relative contact with the end face of the outer side of the flange of the butt joint pipeline, the cylindrical pin is in clearance fit with the unthreaded hole of the flange of the butt joint pipeline to realize butt joint, and meanwhile, locking is realized through the matching of the pull buckle type locking assembly and the end face of the inner side of the flange of the butt joint pipeline.
Furthermore, the pull buckle type locking assembly comprises a base, a pop-up stop pin, a handle, a pull buckle, a rotating shaft and a hole forming pin;
the handle is rotationally matched with the base through a rotating shaft, the pull buckle is a U-shaped rod, the closed end of the pull buckle is bent downwards by 90 degrees and is used for being matched with the end surface of the inner side of the pipeline flange to be butted, and the open end of the pull buckle is rotationally matched with the handle through an opening pin; the hole-forming pin and the rotating shaft are arranged eccentrically, and the horizontal line of the hole-forming pin is positioned below the horizontal line of the rotating shaft; the pop-up stop pin is fixedly connected to the upper surface of the handle, is positioned above the rotating shaft, and the axis of the pop-up stop pin is intersected with the axis of the rotating shaft.
Further, the pull-buckle type locking assembly further comprises a sliding sleeve, and the sliding sleeve is sleeved on the horizontal part of the closed end.
Further, draw and detain open end tip and be equipped with the external screw thread, draw and detain the through-hole that open end passed trompil round pin both ends respectively, through distributing in the nut of trompil round pin through-hole both sides and draw the cooperation of detaining the external screw thread to realize drawing the regulation of detaining between blind end and trompil round pin apart from.
Has the advantages that:
1. according to the invention, the butt joint is realized by utilizing the clearance fit of the cylindrical pin and the unthreaded hole of the flange of the butt joint pipeline, the traditional mode that the flange is limited by a bolt is replaced, the accuracy of the butt joint can be ensured, and the problem of leakage caused by dislocation of the cylindrical pin and the flange due to external factors such as vibration and the like can be avoided; meanwhile, locking is achieved through the matching of the pull buckle type locking assembly and the end face of the inner side of the flange of the butt joint pipeline, labor is saved, the butt joint efficiency is improved, and the aim of plug and play and convenient connection is achieved.
2. According to the invention, the pop-up stop pin is arranged at one end of the handle, and when the handle rotates to a position around the rotating shaft, the telescopic rod of the pop-up stop pin is immediately inserted into the positioning hole at the top of the base, so that the position of the handle is limited, and the quick locking is completed.
3. The sliding sleeve can reduce the resistance between the pipeline and the pull buckle in the pipeline butt joint process.
4. The external threads are arranged at the end part of the open end of the pull buckle, the nuts distributed on two sides of the through hole of the perforated pin are in threaded connection with the pull buckle, and the position of the pull buckle relative to the perforated pin is adjusted by adjusting the matching position of the nuts and the open end of the pull buckle, so that the adjustment of the tensioning force during the butt joint of pipelines is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the pull-buckle type locking assembly of the present invention;
FIG. 3 is a schematic view of the application of the pipe butt joint of the present invention;
FIG. 4 is a schematic structural view of a base;
FIG. 5 is a schematic view of the construction of the apertured pin;
the pipe butt joint device comprises a sealing gasket 1, a pull buckle 2, a pop-up stop pin 3, a handle 4, a stepped flange 5, a sliding sleeve 6, a snap spring 7, a rotating shaft 8, a hole-opening pin 9, a nut 10, a base 11, a pipe flange to be butted 12 and a limiting table 13.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a pipeline accurate butt joint and quick locking joint, which comprises a stepped flange 5, a sealing gasket 1 and two pull buckle type locking assemblies.
As shown in fig. 1, two cylindrical pins protrude from the end surface of the large-diameter end of the stepped flange 5, the sealing gasket 1 is sleeved on the cylindrical pins and is closely contacted with the end surface of the large-diameter end of the stepped flange 5, and the small-diameter end of the stepped flange 5 is used for being fixedly connected with a pipeline; the two pull-buckle type locking assemblies are symmetrically fixed on a platform on the outer circumference of the large-diameter end of the stepped flange 5 along the axis of the pipeline.
As shown in fig. 1 and 2, the pull button type locking assembly includes a base 11, a pop-up stop pin 3, a handle 4, a pull button 2, a sliding sleeve 6, a rotating shaft 8, a hole-forming pin 9, a snap spring 7, and a nut 10.
The base 11 is fixed on a platform on the outer circumference of the large-diameter end of the stepped flange 5 through screws, the handle 4 is in running fit with the base 11 through the rotating shaft 8, and the rotating shaft 8 limits the axial movement of the handle through the clamp springs 7 arranged on two sides of the handle 4.
The pull buckle 2 is a U-shaped rod, the closed end is bent downwards by 90 degrees and is used for being matched with the end face of the inner side of a pipeline flange 12 to be butted, the sliding sleeve 6 is sleeved on the horizontal part of the closed end, the sliding sleeve and the closed end form clearance fit, the sliding sleeve 6 can rotate relative to the pull buckle 2, the open end is in rotating fit with the handle 4 through the opening pin 9, the opening pin 9 is shown in figure 5, the end part of the open end of the pull buckle 2 is provided with external threads, the open end of the pull buckle 2 respectively extends into openings at two ends of the opening pin 9, and the pull buckle 2 and the opening pin 9 are in threaded connection through nuts 10 distributed at two sides of a through hole of the opening pin 9; the hole-forming pin 9 is arranged eccentrically to the rotating shaft 8, and the horizontal line of the hole-forming pin 9 is located below the horizontal line of the rotating shaft 8.
The pop-up stop pin 3 is connected to the upper surface of the matching end of the handle 4 and the rotating shaft 8 through threads, the pop-up stop pin is positioned above the rotating shaft 8, the axis of the pop-up stop pin 3 is intersected with the axis of the rotating shaft 8, the limit table 13 on the base 11 can limit the rotating angle of the handle 4 around the rotating shaft 8, when the handle 4 rotates to the limit position, the telescopic rod of the pop-up stop pin 3 is inserted into the positioning hole in the top of the base 11, the handle 4 and the base 11 are fixed relatively, locking is completed, and the base 11 is structurally shown in fig. 4.
During butt joint, the small-diameter end of the stepped flange 5 of the joint is fixedly connected with a pipeline through a clamp, as shown in fig. 3, a cylindrical pin on the stepped flange 5 extends into an unthreaded hole on a pipeline flange 12 to be butted to form clearance fit, and radial dislocation between the pipeline 12 to be butted and the stepped flange 5 is limited. The pull buckle 2 is pulled flat, namely, the open end is in a horizontal state, the closed end is in a vertical state, then the handle 4 rotates in place under the limitation of the limiting table 13 on the base 11, the telescopic rod of the pop-up stop pin 3 is inserted into the positioning hole at the top of the base 11, at the moment, the closed end of the pull buckle 2 is matched with the inner side end face of the pipeline flange 12 to be butted, locking is completed, and the sealing gasket 1 is tightly pressed between the end face of the large diameter end of the stepped flange 5 and the end face of the outer side of the pipeline flange 12 to be butted to realize sealing.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A pipeline accurate butt joint and quick locking joint is characterized by comprising a stepped flange, a sealing gasket and more than one pull buckle type locking assembly;
the end face of the large-diameter end of the stepped flange is provided with a convex cylindrical pin, the sealing gasket is sleeved on the cylindrical pin and is in contact with the end face of the large-diameter end of the stepped flange, and the small-diameter end of the stepped flange is fixedly connected with a pipeline; more than one pull buckle type locking assembly is uniformly fixed on a platform on the outer circumference of the large-diameter end of the stepped flange, the end face of the large-diameter end of the stepped flange is in relative contact with the end face of the outer side of the flange of the butt joint pipeline, the cylindrical pin is in clearance fit with the unthreaded hole of the flange of the butt joint pipeline to realize butt joint, and meanwhile, the pull buckle type locking assembly is matched with the end face of the inner side of the flange of the butt joint pipeline to realize locking;
the pull buckle type locking assembly comprises a base, a pop-up stop pin, a handle, a pull buckle, a rotating shaft, a sliding sleeve and a hole forming pin;
the handle is rotationally matched with the base through a rotating shaft, the pull buckle is a U-shaped rod, the closed end of the pull buckle is bent downwards by 90 degrees and is used for being matched with the end surface of the inner side of the pipeline flange to be butted, and the open end of the pull buckle is rotationally matched with the handle through an opening pin; the sliding sleeve is sleeved on the horizontal part of the closed end; the hole-forming pin and the rotating shaft are arranged eccentrically, and the horizontal line of the hole-forming pin is positioned below the horizontal line of the rotating shaft; the pop-up stop pin is fixedly connected to the upper surface of the handle, is positioned above the rotating shaft, and the axis of the pop-up stop pin is intersected with the axis of the rotating shaft.
2. The connector for precise butt joint and quick locking of pipelines according to claim 1, wherein the end of the open end of the pull buckle is provided with external threads, the open end of the pull buckle respectively passes through the through holes at the two ends of the open pin, and the adjustment of the distance between the closed end of the pull buckle and the open pin is realized through the matching of nuts distributed at the two sides of the through hole of the open pin and the external threads of the pull buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911082679.2A CN111043421B (en) | 2019-11-07 | 2019-11-07 | Accurate butt joint of pipeline, quick locking joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911082679.2A CN111043421B (en) | 2019-11-07 | 2019-11-07 | Accurate butt joint of pipeline, quick locking joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111043421A CN111043421A (en) | 2020-04-21 |
| CN111043421B true CN111043421B (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911082679.2A Active CN111043421B (en) | 2019-11-07 | 2019-11-07 | Accurate butt joint of pipeline, quick locking joint |
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| CN (1) | CN111043421B (en) |
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| CN112179203A (en) * | 2020-10-10 | 2021-01-05 | 安徽力威精工机械有限公司 | Planetary wheel type gun barrel chamber wiping device |
| CN112361103B (en) * | 2020-11-26 | 2022-10-25 | 江苏萤谷信息科技有限公司 | Soft and hard pipeline connection structure for high-pressure gas transmission |
| CN112628502B (en) * | 2020-12-29 | 2022-09-20 | 中国航空工业集团公司西安飞机设计研究所 | Integrated corrugated pipe and silicone tube butt joint interface and using method thereof |
| CN112832559B (en) * | 2020-12-29 | 2022-10-11 | 中国航空工业集团公司西安飞机设计研究所 | Split type corrugated pipe and silicone tube butt joint interface and using method thereof |
| CN113294330A (en) * | 2021-07-06 | 2021-08-24 | 瑞安市凡韦机件有限公司 | Oil supply pump for cold chain vehicle and ship |
| CN113915435B (en) * | 2021-10-22 | 2022-11-25 | 珠海格力电器股份有限公司 | Quick connecting device for pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0979453A (en) * | 1995-09-14 | 1997-03-25 | Kubota Corp | Antiseismic pipe joint |
| CN2524047Y (en) * | 2002-01-11 | 2002-12-04 | 河北省枣强华联液化气配件有限公司 | Flanged connectors |
| CN2658525Y (en) * | 2003-11-04 | 2004-11-24 | 王联庆 | Fastener type special-shaped channel-section blast flange section bar |
| CN207454988U (en) * | 2017-07-31 | 2018-06-05 | 厦门理工学院 | A kind of pipeline connection device |
| CN207777850U (en) * | 2017-12-29 | 2018-08-28 | 湖北航天化学技术研究所 | A kind of quick coupling |
| CN208406219U (en) * | 2018-06-07 | 2019-01-22 | 亿川科技(成都)有限责任公司 | A kind of filter |
-
2019
- 2019-11-07 CN CN201911082679.2A patent/CN111043421B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0979453A (en) * | 1995-09-14 | 1997-03-25 | Kubota Corp | Antiseismic pipe joint |
| CN2524047Y (en) * | 2002-01-11 | 2002-12-04 | 河北省枣强华联液化气配件有限公司 | Flanged connectors |
| CN2658525Y (en) * | 2003-11-04 | 2004-11-24 | 王联庆 | Fastener type special-shaped channel-section blast flange section bar |
| CN207454988U (en) * | 2017-07-31 | 2018-06-05 | 厦门理工学院 | A kind of pipeline connection device |
| CN207777850U (en) * | 2017-12-29 | 2018-08-28 | 湖北航天化学技术研究所 | A kind of quick coupling |
| CN208406219U (en) * | 2018-06-07 | 2019-01-22 | 亿川科技(成都)有限责任公司 | A kind of filter |
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| Publication number | Publication date |
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| CN111043421A (en) | 2020-04-21 |
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