CN114165668A - Polypropylene anti-corrosion pipe joint - Google Patents
Polypropylene anti-corrosion pipe joint Download PDFInfo
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- CN114165668A CN114165668A CN202111417050.6A CN202111417050A CN114165668A CN 114165668 A CN114165668 A CN 114165668A CN 202111417050 A CN202111417050 A CN 202111417050A CN 114165668 A CN114165668 A CN 114165668A
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- main body
- side wall
- air bag
- pipe
- sliding
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- 238000005260 corrosion Methods 0.000 title claims abstract description 24
- -1 Polypropylene Polymers 0.000 title claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 17
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 52
- 238000007906 compression Methods 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 230000007797 corrosion Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
- F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
- F16L47/10—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket the sealing rings being maintained in place by additional 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
- F16L47/12—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with additional locking means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the field of anti-corrosion pipe joints, in particular to a polypropylene anti-corrosion pipe joint which comprises a connecting mechanism, a main body, a limiting mechanism, a leakage-proof mechanism, a compression mechanism and a sliding mechanism, wherein the main body is provided with a groove; when the connecting mechanism is spliced with the main body, gas is flushed into the anti-leakage mechanism to enable the anti-leakage mechanism to expand in the main body, the connecting mechanism rotates to enter the main body, the connecting mechanism continuously enters the main body and extrudes the anti-leakage mechanism, and the gas in the anti-leakage mechanism is extruded, so that the anti-leakage mechanism is tightly attached to the inside of the main body, and liquid is prevented from leaking from the splicing part of the connecting mechanism and the main body; when liquid flows in the connecting mechanism and the main body, the sliding mechanism in the main body is hydraulically extruded, the sliding mechanism moves to drive the extruding mechanism to rotate, the extruding mechanism pushes the limiting mechanism to slide out of the main body to enter the connecting mechanism, and the limiting mechanism is clamped in the main body and the connecting mechanism to prevent the connecting mechanism from falling off when the liquid is conveyed.
Description
Technical Field
The invention relates to the field of anti-corrosion pipe joints, in particular to a polypropylene anti-corrosion pipe joint.
Background
The anti-corrosion pipe is also commonly called as an anti-corrosion steel pipe and refers to a steel pipe which is processed by an anti-corrosion process and can effectively prevent or slow down the corrosion phenomenon caused by chemical or electrochemical reaction in the transportation and use processes. According to the statistical data of China, the direct economic loss of steel pipe corrosion in China is 2800 billion each year, and the current global loss of steel pipe corrosion reaches $ 5000 billion each year. The corrosion-resistant pipe can effectively prevent or slow down corrosion.
When liquid flows in anticorrosive pipe and joint inside, the junction of anticorrosive pipe and joint is constantly strikeed to liquid, and along with the increase of live time, anticorrosive pipe and the appearance wearing and tearing of joint contact department easily lead to liquid to drip from the junction of anticorrosive pipe and joint, and when the liquid velocity of flow was too fast, break away from between anticorrosive pipe and the joint, lead to liquid to leak.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a polypropylene anti-corrosion pipe joint.
The technical scheme adopted by the invention for solving the technical problems is as follows: a polypropylene anticorrosion pipe joint comprises a connecting mechanism, a main body, a limiting mechanism, a leakage-proof mechanism, a compression mechanism and a sliding mechanism, wherein two ends of the main body are respectively in threaded connection with the connecting mechanism for conveying liquid, the limiting mechanism for preventing the connecting mechanism from being separated from the inside of the main body when conveying liquid is installed on the side wall of the main body, and the limiting mechanism is clamped with the side wall of the connecting mechanism; the anti-leakage mechanism for preventing liquid from dripping is arranged in the middle of the inside of the main body and is connected with the side wall of the connecting mechanism in a sliding manner; the lateral wall installation of main part is used for driving stop gear motion compressing mechanism, just the inside department sliding connection between two parties of main part is used for driving compressing mechanism pivoted sliding mechanism, compressing mechanism's both ends are contradicted respectively stop gear with sliding mechanism.
Preferably, the connecting mechanism comprises a fixing ring, a pipeline and a piston, the annular pistons are respectively arranged in the two ends of the main body, and the interior of the main body is in threaded connection with the pipeline; the lateral wall installation of pipeline gu fixed ring, gu fixed ring sliding connection the inside of main part, just gu fixed ring's inside block lateral wall is trapezoidal the piston.
Preferably, the limiting mechanism comprises a fixed pipe, limiting blocks, clamping grooves and springs, the fixed pipe is symmetrically arranged on the side wall of the main body, the springs are symmetrically arranged inside the fixed pipe, and one end of each spring is fixedly connected with the limiting block of which the side wall is T-shaped; the inner part of the main body and the side wall of the pipeline are respectively arranged in the clamping groove; the clamping groove in the main body is communicated with the clamping groove in the side wall of the pipeline; the inside sliding connection of draw-in groove the stopper, just the stopper block the lateral wall of pipeline.
Preferably, the compression mechanism comprises a first compression rod, a lever, a support and a second compression rod, the support is symmetrically mounted on the side wall of the main body, the inside of the support is rotatably connected with the lever, and two ends of the lever are respectively and vertically and fixedly connected with the first compression rod and the second compression rod; the inner portion of the fixed tube rotatably connects the first compression bar, the lever and the second compression bar; the first compression rod is rotatably connected with the inside of the clamping groove, and the first compression rod abuts against the side wall of the limiting block.
Preferably, slide mechanism includes spout and fixed stopper, the lateral wall of main part department symmetry between two parties is equipped with the spout, the both ends of spout communicate respectively fixed pipe with the inside of main part, the inside sliding connection lateral wall of spout is the I shape fixed stopper, just the one end of fixed stopper is contradicted the second compression pole, just the second compression pole sliding connection the inside of spout.
Preferably, the leakage-proof mechanism comprises a connecting pipe, a valve, a first air bag and a second air bag, the connecting pipe is installed on the side wall of the main body, and the valve is installed at one end of the connecting pipe; the annular first air bags are symmetrically arranged on the inner side wall of the main body, and the other end of the connecting pipe is communicated with the inside of the first air bags; the side wall of the pipeline is connected with the first air bag in a sliding mode, and the first air bag is located between the limiting block and the fixing plug; the main part internally mounted one end is spherical the second gasbag, the lateral wall sliding connection of second gasbag the fixed stopper, and the other end is funnel-shaped the second gasbag install in the lateral wall of first gasbag.
The invention has the beneficial effects that:
(1) according to the polypropylene anti-corrosion pipe joint, when the connecting mechanism is spliced with the main body, gas is flushed into the anti-leakage mechanism, so that the anti-leakage mechanism expands in the main body, the connecting mechanism rotates to enter the main body, the connecting mechanism continuously enters the main body and extrudes the anti-leakage mechanism, the gas in the anti-leakage mechanism is extruded, the anti-leakage mechanism is tightly attached to the inside of the main body, and liquid is prevented from leaking from the splicing position of the connecting mechanism and the main body.
(2) According to the polypropylene anti-corrosion pipe joint, when liquid flows in the connecting mechanism and the main body, the sliding mechanism in the main body is hydraulically extruded, the sliding mechanism moves to drive the extruding mechanism to rotate, the extruding mechanism pushes the limiting mechanism to slide out of the main body and enter the connecting mechanism, and the limiting mechanism is clamped in the main body and the connecting mechanism to prevent the connecting mechanism from falling off from the main body when the connecting mechanism conveys the liquid.
(3) According to the polypropylene anti-corrosion pipe joint, when the sliding mechanism slides in the main body, the sliding mechanism moves to extrude the side wall of the leakage-proof mechanism, the size of the leakage-proof mechanism is reduced again, gas is enabled to be tighter, the extrusion performance between the leakage-proof mechanism and the connecting mechanism is improved, and the sealing performance between the leakage-proof mechanism and the connecting mechanism is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of a polypropylene corrosion-resistant pipe joint according to the present invention;
FIG. 2 is a schematic view of the internal structure of the main body shown in FIG. 1;
FIG. 3 is an enlarged view of the structure at A shown in FIG. 2;
FIG. 4 is a side view of the internal structure of the body shown in FIG. 2;
fig. 5 is a schematic view of the internal structure of the pipe shown in fig. 1.
In the figure: 1. the device comprises a connecting mechanism, 11, a fixing ring, 12, a pipeline, 13, a piston, 2, a main body, 3, a limiting mechanism, 31, a fixing pipe, 32, a limiting block, 33, a clamping groove, 34, a spring, 4, a leakage-proof mechanism, 41, a connecting pipe, 42, a valve, 43, a first air bag, 44, a second air bag, 5, a compression mechanism, 51, a first compression rod, 52, a lever, 53, a support, 54, a second compression rod, 6, a sliding mechanism, 61, a sliding groove, 62 and a fixing plug.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the polypropylene anticorrosive pipe joint according to the present invention includes a connecting mechanism 1, a main body 2, a limiting mechanism 3, a leakage preventing mechanism 4, a compressing mechanism 5 and a sliding mechanism 6, wherein two ends of the main body 2 are respectively in threaded connection with the connecting mechanism 1 for conveying liquid, the limiting mechanism 3 for preventing the connecting mechanism 1 from separating from the inside of the main body 2 when conveying liquid is installed on a side wall of the main body 2, and the limiting mechanism 3 is engaged with the side wall of the connecting mechanism 1; the central part in the main body 2 is provided with the leakage-proof mechanism 4 for preventing liquid from dripping, and the leakage-proof mechanism 4 is connected with the side wall of the connecting mechanism 1 in a sliding manner; the lateral wall installation of main part 2 is used for driving stop gear 3 moves compressing mechanism 5, just the inside of main part 2 is located sliding connection between two parties and is used for driving compressing mechanism 5 pivoted sliding mechanism 6, the both ends of compressing mechanism 5 are contradicted respectively stop gear 3 with sliding mechanism 6.
The connecting mechanism 1 comprises a fixing ring 11, a pipeline 12 and a piston 13, the annular piston 13 is respectively arranged in the two ends of the main body 2, and the interior of the main body 2 is in threaded connection with the pipeline 12; the lateral wall installation of pipeline 12 gu fixed ring 11, gu fixed ring 11 sliding connection the inside of main part 2, just gu fixed ring 11's inside block lateral wall is trapezoidal piston 13, for the convenience pipeline 12 with when main part 2 is connected, rotate pipeline 12 makes the rotatory entering of pipeline 12 the inside of main part 2, just pipeline 12 drives gu fixed ring 11 gets into the inside of main part 2 makes piston 13 slides and gets into gu fixed ring 11's inside, piston 13 hugs closely gu fixed ring 11's inside wall, thereby increases pipeline 12 with leakproofness and stability between the main part 2.
The sliding mechanism 6 comprises a sliding groove 61 and a fixed plug 62, the sliding groove 61 is symmetrically arranged at the center of the side wall of the main body 2, the two ends of the sliding groove 61 are respectively communicated with the fixed pipe 31 and the inside of the main body 2, the inside of the sliding groove 61 is slidably connected with the fixed plug 62 with the side wall in an I shape, and one end of the fixing plug 62 abuts against the second compression bar 54, and the second compression bar 54 is slidably coupled to the inside of the sliding groove 61, in order that the liquid presses the fixed plug 62 to slide the fixed plug 62 inside the chute 61 when the liquid flows inside the pipe 12 and the main body 2, the fixed plug 62 moves toward the fixed pipe 31, and the I-shaped fixed plug 62 clings to the inner side wall of the main body 2 to slide, and the fixed plug 62 blocks liquid from penetrating through the chute 61, so that the liquid is prevented from entering the inside of the fixed pipe 31.
The compression mechanism 5 comprises a first compression rod 51, a lever 52, a support 53 and a second compression rod 54, the support 53 is symmetrically installed on the side wall of the main body 2, the inside of the support 53 is rotatably connected with the lever 52, and two ends of the lever 52 are respectively and vertically and fixedly connected with the first compression rod 51 and the second compression rod 54; the inner portion of the fixed tube 31 is rotatably connected to the first compression bar 51, the lever 52 and the second compression bar 54; the first compression rod 51 is rotatably connected to the inside of the locking slot 33, and the first compression rod 51 abuts against the side wall of the stopper 32, so that in order to facilitate the movement of the fixing plug 62 toward the fixing tube 31, the fixing plug 62 presses the second compression rod 54 to push the second compression rod 54 to rotate inside the sliding slot 61 and the fixing tube 31, so that the second compression rod 54 pushes the lever 52 to make a circular motion at the top end of the support 53, and the lever 52 rotates to push the first compression rod 51 to rotate into the inside of the locking slot 33 to compress the stopper 32.
The limiting mechanism 3 comprises a fixed pipe 31, limiting blocks 32, clamping grooves 33 and springs 34, the fixed pipe 31 is symmetrically installed on the side wall of the main body 2, the springs 34 are symmetrically installed inside the fixed pipe 31, and one end of each spring 34 is fixedly connected with the limiting block 32 of which the side wall is T-shaped; the inner part of the main body 2 and the side wall of the pipeline 12 are respectively arranged in the clamping groove 33; the catch 33 inside the body 2 communicates with the catch 33 of the side wall of the pipe 12; the inner portion of the locking groove 33 is slidably connected to the stopper 32, and the stopper 32 is engaged with the sidewall of the pipe 12, so that after the pipe 11 enters the inner portion of the main body 2, at this time, the locking groove 33 in the inner portion of the main body 2 is aligned with the locking groove 33 in the sidewall of the pipe 12, when the first compression rod 51 rotates from the inner portion of the fixing tube 31 to enter the inner portion of the locking groove 33, the first compression rod 51 rotates to press the stopper 32 in the inner portion of the main body 2, so that the stopper 32 slides in the inner portion of the locking groove 33 to elongate the spring 34 in the inner portion of the fixing tube 31, so that the stopper 32 rotates to enter the inner portion of the pipe 12, so that the stopper 32 engages with the pipe 12 and the main body 2, thereby fixing the pipe 12 in the inner portion of the main body 2, and preventing the pipe 12 from being separated from the main body 2 when the pipe 12 is used for conveying liquid, avoiding liquid leakage.
The leakage preventing mechanism 4 comprises a connecting pipe 41, a valve 42, a first air bag 43 and a second air bag 44, wherein the connecting pipe 41 is arranged on the side wall of the main body 2, and the valve 42 is arranged at one end of the connecting pipe 41; the inner side wall of the main body 2 is symmetrically provided with the annular first air bag 43, and the other end of the connecting pipe 41 is communicated with the inside of the first air bag 43; the side wall of the pipeline 12 is slidably connected with the first air bag 43, and the first air bag 43 is positioned between the limiting block 32 and the fixed plug 62; the second air bag 44 with a spherical end is installed inside the main body 2, the side wall of the second air bag 44 is slidably connected with the fixing plug 62, and the second air bag 44 with a funnel-shaped other end is installed on the side wall of the first air bag 43, when the pipeline 12 is spliced with the main body 2, the valve 42 is opened, air is injected into the connecting pipe 41, gas penetrates through the connecting pipe 42 and enters the inside of the first air bag 43 and the second air bag 44, the first air bag 43 and the second air bag 44 are continuously expanded inside the main body 2, then the valve 42 is used for pipeline, the pipeline 12 continuously presses the first air bag 43 along with the continuous rotation of the pipeline 12 and enters the inside of the main body 2, the gas inside the first air bag 43 is continuously compressed, and the first air bag 43 and the second air bag 44 are in an expanded state, the first air bag 43 is tightly attached to the side wall of the pipe 12, the first air bag 43 made of surface rubber seals the space between the pipe 12 and the main body 2 to prevent liquid leakage, and when the fixing plug 62 moves towards the fixing tube 31, the fixing plug 62 presses the second air bag 44 to press the gas in the second air bag 44 into the first air bag 43, so that the air presses the first air bag 43, and the sealing performance of the connection part of the first air bag 43 and the pipe 12 is increased to prevent liquid leakage.
In use, when the pipe 12 is spliced with the main body 2, the valve 42 is opened, air is injected into the connecting pipe 41, gas is caused to penetrate through the connecting pipe 42 and enter the interiors of the first air bag 43 and the second air bag 44, the first air bag 43 and the second air bag 44 are caused to be continuously inflated in the main body 2, and the valve 42 is used for piping after a proper amount of air is injected. Rotating the pipe 12 into the interior of the main body 2, wherein the pipe 12 continuously presses the first air bag 43 as the pipe 12 continuously rotates into the interior of the main body 2, the air in the first air bag 43 is continuously compressed, the first air bag 43 and the second air bag 44 are in an expanded state, the first air bag 43 is tightly attached to the side wall of the pipe 12, and the first air bag 43 made of surface rubber seals the pipe 12 and the main body 2 to prevent liquid leakage; just pipeline 12 drives gu fixed ring 11 gets into the inside of main part 2 makes piston 13 slides and gets into gu fixed ring 11's inside, piston 13 hugs closely gu fixed ring 11's inside wall, piston 13 contradicts gu fixed ring 11's inside wall, will pipeline 12 is fixed, thereby increase pipeline 12 with leakproofness and stability between the main part 2. When liquid flows in the pipeline 12 and the inside of the main body 2, the liquid presses the fixed plug 62, so that the fixed plug 62 slides in the sliding groove 61, the fixed plug 62 moves towards the fixed pipe 31, the i-shaped fixed plug 62 slides along the inner side wall of the main body 2, and the fixed plug 62 blocks the liquid from penetrating through the sliding groove 61, so that the liquid is prevented from entering the inside of the fixed pipe 31. With the movement of the fixed plug 62, the fixed plug 62 presses the second air bag 44, and the gas inside the second air bag 44 is pressed into the first air bag 43, so that the air presses the first air bag 43, and the sealing performance of the connection part of the first air bag 43 and the pipeline 12 is increased, thereby preventing the liquid leakage. And the fixed plug 62 presses the second compression rod 54 when moving, pushing the second compression rod 54 to rotate inside the sliding groove 61 and the fixed tube 31, so that the second compression rod 54 pushes the lever 52 to make a circular motion at the top end of the support 53, the lever 52 rotates to push the first compression rod 51 to rotate into the inside of the clamping groove 33 to compress the stopper 32, the stopper 32 slides inside the clamping groove 33 to elongate the spring 34 inside the fixed tube 31, the stopper 32 rotates into the inside of the tube 12, and the stopper 32 is clamped with the tube 12 and the main body 2, so that the tube 12 is fixed inside the main body 2, and the tube 12 is prevented from being separated from the main body 2 when the tube 12 is used for delivering liquid, thereby avoiding liquid leakage. When the pipe 12 does not convey liquid, the spring 34 contracts, so as to drive the stopper 32 to enter the inside of the main body 2 from the inside of the pipe 12, and the stopper 32 pushes the first compression rod 51, the lever 52 and the second compression rod 54 to rotate, so that the second compression rod 54 pushes the fixed plug 62 to move and reset inside the sliding slot 61.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A polypropylene anticorrosion pipe joint is characterized in that: the liquid conveying device comprises a connecting mechanism (1), a main body (2), a limiting mechanism (3), a leakage-proof mechanism (4), a compression mechanism (5) and a sliding mechanism (6), wherein two ends of the main body (2) are respectively in threaded connection with the connecting mechanism (1) for conveying liquid, the limiting mechanism (3) for preventing the connecting mechanism (1) from being separated from the inside of the main body (2) when conveying liquid is installed on the side wall of the main body (2), and the limiting mechanism (3) is clamped with the side wall of the connecting mechanism (1); the anti-leakage mechanism (4) for preventing liquid from dripping is arranged in the middle of the inner part of the main body (2), and the anti-leakage mechanism (4) is connected with the side wall of the connecting mechanism (1) in a sliding manner; the lateral wall installation of main part (2) is used for driving stop gear (3) motion compressing mechanism (5), just the inside of main part (2) is located sliding connection between two parties and is used for driving compressing mechanism (5) pivoted sliding mechanism (6), the both ends of compressing mechanism (5) are contradicted respectively stop gear (3) with sliding mechanism (6).
2. The polypropylene corrosion-resistant pipe joint according to claim 1, wherein: the connecting mechanism (1) comprises a fixing ring (11), a pipeline (12) and a piston (13), the annular pistons (13) are respectively arranged in the two ends of the main body (2), and the interior of the main body (2) is in threaded connection with the pipeline (12); the lateral wall installation of pipeline (12) fixed ring (11), fixed ring (11) sliding connection the inside of main part (2), just the inside block lateral wall of fixed ring (11) is trapezoidal piston (13).
3. The polypropylene corrosion-resistant pipe joint according to claim 2, wherein: the limiting mechanism (3) comprises a fixed pipe (31), limiting blocks (32), clamping grooves (33) and springs (34), the fixed pipe (31) is symmetrically installed on the side wall of the main body (2), the springs (34) are symmetrically installed inside the fixed pipe (31), and one end of each spring (34) is fixedly connected with the corresponding limiting block (32) of which the side wall is T-shaped; the inner part of the main body (2) and the side wall of the pipeline (12) are respectively arranged in the clamping groove (33); the clamping groove (33) in the main body (2) is communicated with the clamping groove (33) on the side wall of the pipeline (12); the inner portion of the clamping groove (33) is connected with the limiting block (32) in a sliding mode, and the limiting block (32) is clamped with the side wall of the pipeline (12).
4. The polypropylene corrosion-resistant pipe joint according to claim 3, wherein: the compression mechanism (5) comprises a first compression rod (51), a lever (52), a support (53) and a second compression rod (54), the support (53) is symmetrically installed on the side wall of the main body (2), the inside of the support (53) is rotatably connected with the lever (52), and two ends of the lever (52) are respectively and vertically fixedly connected with the first compression rod (51) and the second compression rod (54); the inner part of the fixed pipe (31) is rotatably connected with the first compression rod (51), the lever (52) and the second compression rod (54); the first compression rod (51) is rotatably connected with the inside of the clamping groove (33), and the first compression rod (51) abuts against the side wall of the limiting block (32).
5. The polypropylene corrosion-resistant pipe joint according to claim 4, wherein: slide mechanism (6) are including spout (61) and fixed stopper (62), the lateral wall of main part (2) is located the symmetry between two parties and is equipped with spout (61), the both ends of spout (61) communicate respectively fixed pipe (31) with the inside of main part (2), the inside sliding connection lateral wall of spout (61) is the I shape fixed stopper (62), just the one end of fixed stopper (62) is contradicted second compression pole (54), just second compression pole (54) sliding connection the inside of spout (61).
6. The polypropylene corrosion-resistant pipe joint according to claim 5, wherein: the leakage-proof mechanism (4) comprises a connecting pipe (41), a valve (42), a first air bag (43) and a second air bag (44), the connecting pipe (41) is installed on the side wall of the main body (2), and the valve (42) is installed at one end of the connecting pipe (41); the inner side wall of the main body (2) is symmetrically provided with the annular first air bag (43), and the other end of the connecting pipe (41) is communicated with the inside of the first air bag (43); the side wall of the pipeline (12) is connected with the first air bag (43) in a sliding mode, and the first air bag (43) is located between the limiting block (32) and the fixing plug (62); the second air bag (44) with one spherical end is installed inside the main body (2), the side wall of the second air bag (44) is connected with the fixing plug (62) in a sliding mode, and the second air bag (44) with the funnel-shaped other end is installed on the side wall of the first air bag (43).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417050.6A CN114165668B (en) | 2021-11-26 | 2021-11-26 | Polypropylene anti-corrosion pipe joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417050.6A CN114165668B (en) | 2021-11-26 | 2021-11-26 | Polypropylene anti-corrosion pipe joint |
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| CN114165668A true CN114165668A (en) | 2022-03-11 |
| CN114165668B CN114165668B (en) | 2024-02-06 |
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| CN113531238A (en) * | 2021-07-05 | 2021-10-22 | 谢娟 | Leakage-proof oil-gas pipeline based on fluid pressure and leakage detection alarm method thereof |
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