CN114165668B - Polypropylene anti-corrosion pipe joint - Google Patents
Polypropylene anti-corrosion pipe joint Download PDFInfo
- Publication number
- CN114165668B CN114165668B CN202111417050.6A CN202111417050A CN114165668B CN 114165668 B CN114165668 B CN 114165668B CN 202111417050 A CN202111417050 A CN 202111417050A CN 114165668 B CN114165668 B CN 114165668B
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- main body
- side wall
- air bag
- pipe
- fixed
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- 238000005260 corrosion Methods 0.000 title claims abstract description 25
- -1 Polypropylene Polymers 0.000 title claims abstract description 12
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 128
- 230000006835 compression Effects 0.000 claims abstract description 65
- 238000007906 compression Methods 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (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; when the connecting mechanism is spliced with the main body, gas is flushed into the inside of the leakage-proof mechanism, so that the leakage-proof mechanism expands in the main body, the connecting mechanism rotates into the main body, the connecting mechanism continuously enters the inside of the main body and extrudes the leakage-proof mechanism, and the gas in the leakage-proof mechanism is extruded, so that the leakage-proof mechanism is tightly attached to the inside of the main body, and liquid is prevented from leaking from the spliced part of the connecting mechanism and the main body; when the liquid flows in the connecting mechanism and the main body, the sliding mechanism in the main body is hydraulically extruded, and the sliding mechanism moves to drive the extruding mechanism to rotate, so that the extruding mechanism pushes the limiting mechanism to slide out of the main body into 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 corrosion-resistant pipe is also commonly called as a corrosion-resistant steel pipe, and is a steel pipe which is processed by a corrosion-resistant process and can effectively prevent or slow down corrosion 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 per year is 2800 hundred million, and the global loss of steel pipe corrosion per year is up to 5000 hundred million dollars at present. The corrosion protection tube is effective in preventing or slowing down corrosion.
When the liquid flows in the anti-corrosion pipe and the connector, the liquid continuously impacts the joint of the anti-corrosion pipe and the connector, the contact part of the anti-corrosion pipe and the connector is worn along with the increase of the service time, the liquid is easy to drop from the joint of the anti-corrosion pipe and the connector, and when the flow speed of the liquid is too fast, the anti-corrosion pipe is separated from the connector, so that the liquid is leaked.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a polypropylene anti-corrosion pipe joint.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a polypropylene anti-corrosion pipe joint, includes coupling mechanism, main part, stop gear, leak protection mechanism, compression mechanism and slide mechanism, the both ends of main part respectively with be used for carrying between the coupling mechanism of liquid threaded connection, the lateral wall of main part is installed and is used for preventing when coupling mechanism carries liquid from the inside of main part breaks away from stop gear, and stop gear block coupling mechanism's lateral wall; the anti-leakage mechanism for preventing liquid from dripping is arranged at the middle part of the inner part of the main body and is connected with the side wall of the connecting mechanism in a sliding way; the side wall of the main body is provided with the compression mechanism used for driving the limiting mechanism to move, the middle part of the inside of the main body is slidably connected with the sliding mechanism used for driving the compression mechanism to rotate, and two ends of the compression mechanism respectively abut against the limiting mechanism and the sliding mechanism.
Preferably, the connecting mechanism comprises a fixed ring, a pipeline and a piston, wherein annular pistons are respectively arranged in the two ends of the main body, and the inner part of the main body is in threaded connection with the pipeline; the side wall of the pipeline is provided with the fixing ring, the fixing ring is connected with the inside of the main body in a sliding mode, and the inner clamping side wall of the fixing ring is trapezoidal.
Preferably, the limiting mechanism comprises a fixed pipe, a limiting block, a clamping groove and a spring, wherein the fixed pipe is symmetrically arranged on the side wall of the main body, the spring is symmetrically arranged in the fixed pipe, and one end of the spring is fixedly connected with the limiting block with the side wall in a T shape; the inside 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 on 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, wherein the support is symmetrically arranged on the side wall of the main body, the interior of the support is rotationally connected with the lever, and two ends of the lever are respectively and vertically fixedly connected with the first compression rod and the second compression rod; the inner part of the fixed pipe is rotationally connected with the first compression rod, the lever and the second compression rod; the first compression rod is rotationally connected with the inside of the clamping groove, and the first compression rod abuts against the side wall of the limiting block.
Preferably, the sliding mechanism comprises a sliding groove and a fixed plug, the sliding groove is symmetrically arranged at the center of the side wall of the main body, two ends of the sliding groove are respectively communicated with the fixed pipe and the inside of the main body, the side wall of the sliding groove is connected with the fixed plug in an I shape in a sliding manner, one end of the fixed plug is abutted against the second compression rod, and the second compression rod is connected with the inside of the sliding groove in a sliding manner.
Preferably, the leakage-proof mechanism comprises a connecting pipe, a valve, a first air bag and a second air bag, wherein the connecting pipe is arranged on the side wall of the main body, and the valve is arranged at one end of the connecting pipe; the inner side wall of the main body is symmetrically provided with the annular first air bag, and the other end of the connecting pipe is communicated with the interior of the first air bag; the side wall of the pipeline is connected with the first air bag in a sliding manner, and the first air bag is positioned between the limiting block and the fixed plug; the second air bag with one spherical end is arranged in the main body, the side wall of the second air bag is connected with the fixed plug in a sliding mode, and the second air bag with the other funnel-shaped end is arranged on the side wall of the first air bag.
The invention has the beneficial effects that:
(1) 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 into 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 clings to the inside of the main body, and liquid is prevented from leaking from the spliced part 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, so that the extruding mechanism pushes the limiting mechanism to slide out of the inside of the main body and enter the inside of the connecting mechanism, the limiting mechanism is clamped in the main body and the inside of the connecting mechanism, and the connecting mechanism and the main body are prevented from falling off when the connecting mechanism conveys liquid.
(3) According to the polypropylene anti-corrosion pipe joint, when the sliding mechanism slides in the main body, the sliding mechanism moves to squeeze the side wall of the anti-leakage mechanism, so that the volume of the anti-leakage mechanism is reduced again, the gas is more compact, the squeezing performance between the anti-leakage mechanism and the connecting mechanism is improved, and the sealing performance between the anti-leakage mechanism and the connecting mechanism is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a polypropylene corrosion-resistant pipe joint according to a preferred embodiment of 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 schematic 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 fixed ring, 12, a pipeline, 13, a piston, 2, a main body, 3, a limiting mechanism, 31, a fixed 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 fixed plug.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5, the polypropylene anti-corrosion pipe joint according to the present invention comprises 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 side wall of the main body 2 is provided with the limiting mechanism 3 for preventing the connecting mechanism 1 from being separated from the inside of the main body 2 when conveying liquid, 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 at the center of the inside 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 way; the side wall of the main body 2 is provided with the compression mechanism 5 used for driving the limiting mechanism 3 to move, the middle part of the inside of the main body 2 is slidably connected with the sliding mechanism 6 used for driving the compression mechanism 5 to rotate, and two ends of the compression mechanism 5 respectively abut against the limiting mechanism 3 and the sliding mechanism 6.
The connecting mechanism 1 comprises a fixed ring 11, a pipeline 12 and a piston 13, wherein 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 side wall of the pipeline 12 is provided with the fixing ring 11, the fixing ring 11 is in sliding connection with the inside of the main body 2, and the inner clamping side wall of the fixing ring 11 is a trapezoid, so that when the pipeline 12 is connected with the main body 2, the pipeline 12 is rotated, the pipeline 12 is enabled to rotate into the inside of the main body 2, the pipeline 12 drives the fixing ring 11 to enter the inside of the main body 2, the piston 13 is enabled to slide into the inside of the fixing ring 11, and the piston 13 is tightly attached to the inner side wall of the fixing ring 11, so that the sealing performance and stability between the pipeline 12 and the main body 2 are improved.
The sliding mechanism 6 includes a sliding groove 61 and a fixed plug 62, the sliding groove 61 is symmetrically disposed at the center of the side wall of the main body 2, two ends of the sliding groove 61 are respectively communicated with the fixed pipe 31 and the inside of the main body 2, the inner sliding connection side wall of the sliding groove 61 is in an i-shape and is connected with the fixed plug 62 in a sliding manner, one end of the fixed plug 62 abuts against the second compression rod 54, the second compression rod 54 is connected with the inside of the sliding groove 61 in a sliding manner, in order to enable the fixed plug 62 to slide in the sliding groove 61 when liquid flows in the pipe 12 and the inside of the main body 2, the fixed plug 62 moves towards the direction of the fixed pipe 31, the i-shape fixed plug 62 is tightly attached to the inner side wall of the main body 2, and the fixed plug 62 blocks the liquid from penetrating through the sliding groove 61 and prevents the liquid 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 arranged on the side wall of the main body 2, the lever 52 is rotatably connected in the support 53, 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 inside of the fixed tube 31 is rotatably connected to 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, so that the fixing plug 62 can conveniently move towards the direction of the fixing tube 31, the fixing plug 62 presses the second compression rod 54 to push the second compression rod 54 to rotate in the sliding groove 61 and the fixing tube 31, and therefore the second compression rod 54 pushes the lever 52 to do circular motion at the top end of the supporting seat 53, and the lever 52 rotates to push the first compression rod 51 to rotate into the inside of the clamping groove 33 to compress the limiting block 32.
The limiting mechanism 3 comprises a fixed pipe 31, a limiting block 32, a clamping groove 33 and a spring 34, wherein the fixed pipe 31 is symmetrically arranged on the side wall of the main body 2, the spring 34 is symmetrically arranged in the fixed pipe 31, and one end of the spring 34 is fixedly connected with the limiting block 32 with a T-shaped side wall; the inside 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 inside sliding connection of draw-in groove 33 stopper 32, just stopper 32 block the lateral wall of pipeline 12, in order to make things convenient for after the pipeline 11 gets into the inside of main part 2, this moment inside the draw-in groove 33 of main part 2 with the draw-in groove 33 of pipeline 12 lateral wall aligns, when first compression pole 51 is rotated from the inside of fixed pipe 31 just gets into the inside of draw-in groove 33, first compression pole 51 rotates and extrudees stopper 32 inside the main part 2, makes stopper 32 in the inside slip extension of draw-in groove 33 the inside spring 34 of fixed pipe 31 makes stopper 32 rotate into the inside of pipeline 12, makes stopper 32 block pipeline 12 with main part 2 to fix pipeline 12 in the inside of main part 2, prevent pipeline 12 breaks away from with main part 2 when conveying liquid, avoid liquid leakage.
The leakage-proof 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 one spherical end is mounted inside the main body 2, the side wall of the second air bag 44 is slidingly connected with the fixing plug 62, the second air bag 44 with the funnel-shaped end is mounted on the side wall of the first air bag 43, when the pipeline 12 and the main body 2 are spliced, the valve 42 is opened, air is injected into the connecting pipe 41, air penetrates through the connecting pipe 42 to 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 continuously inflated inside the main body 2, the valve 42 pipeline is further pressed by the pipeline 12 along with the continuous rotation of the pipeline 12 into the interior of the main body 2, the air inside the first air bag 43 is continuously compressed, the first air bag 43 and the second air bag 44 are in an inflated state, the first air bag 43 is tightly attached to the side wall of the pipeline 12, the surface rubber is made into the first air bag 43 and the second air bag 44, the pipeline 12 is pressed into the air bag 62, and the air bag 43 is prevented from being leaked, and the air bag 44 is prevented from being leaked, and the air bag is prevented from being sealed from being leaked, and the pipeline is fixed.
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 allowed to pass through the connecting pipe 42 and enter the first air bag 43 and the second air bag 44, the first air bag 43 and the second air bag 44 are continuously inflated in the main body 2, and a proper amount of air is injected into the pipe, and then the valve 42 is used for the pipe. Rotating the pipe 12 into the main body 2, and continuously extruding the first air bag 43 by the pipe 12 as the pipe 12 continuously rotates into the main body 2, wherein the air in 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, so that 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 between the pipe 12 and the main body 2 to prevent liquid leakage; and the pipeline 12 drives the fixed ring 11 to enter the main body 2, so that the piston 13 slides into the fixed ring 11, the piston 13 is tightly attached to the inner side wall of the fixed ring 11, and the piston 13 is abutted against the inner side wall of the fixed ring 11 to fix the pipeline 12, thereby increasing the sealing performance and stability between the pipeline 12 and the main body 2. When the liquid flows in the pipeline 12 and the main body 2, the liquid presses the fixing plug 62, so that the fixing plug 62 slides in the chute 61, the fixing plug 62 moves towards the fixing tube 31, the fixing plug 62 in the shape of an I slides against the inner side wall of the main body 2, and the fixing plug 62 blocks the liquid from penetrating through the chute 61, so that the liquid is prevented from entering the inside of the fixing tube 31. With the movement of the fixing plug 62, the fixing plug 62 presses the second air bag 44, so that the air in the second air bag 44 is pressed into the first air bag 43, and the air presses the first air bag 43, so that the sealing performance of the joint of the first air bag 43 and the pipeline 12 is increased, and the leakage of liquid is prevented. And when the fixed plug 62 moves, the second compression rod 54 is pressed to push the second compression rod 54 to rotate in the sliding groove 61 and the fixed pipe 31, so that the second compression rod 54 pushes the lever 52 to do 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 clamping groove 33 to compress the limiting block 32, the limiting block 32 slides in the clamping groove 33 to stretch the spring 34 in the fixed pipe 31, the limiting block 32 rotates into the pipe 12, the limiting block 32 is clamped with the pipe 12 and the main body 2, the pipe 12 is fixed in the main body 2, the pipe 12 is prevented from being separated from the main body 2 when the pipe 12 is used for conveying liquid, and liquid leakage is avoided. When the pipe 12 is not delivering liquid, the spring 34 contracts, so as to drive the limiting block 32 to enter the main body 2 from the inside of the pipe 12, and the limiting block 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 in the chute 61.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a polypropylene anti-corrosion pipe joint which characterized in that: the anti-leakage 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 side wall of the main body (2) is provided with the limiting mechanism (3) for preventing the connecting mechanism (1) from being separated from the inside of the main body (2) when conveying the liquid, 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 at the middle part of the inside 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 way; the side wall of the main body (2) is provided with the compression mechanism (5) for driving the limiting mechanism (3) to move, the middle part of the inside of the main body (2) is in sliding connection with the sliding mechanism (6) for driving the compression mechanism (5) to rotate, and two ends of the compression mechanism (5) respectively abut against the limiting mechanism (3) and the sliding mechanism (6);
the limiting mechanism (3) comprises a fixed pipe (31), limiting blocks (32), clamping grooves (33) and springs (34), wherein the fixed pipe (31) is symmetrically arranged on the side wall of the main body (2), the springs (34) are symmetrically arranged in the fixed pipe (31), and one end of each spring (34) is fixedly connected with each limiting block (32) with a T-shaped side wall; the inside 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 inside 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);
the compression mechanism (5) comprises a first compression rod (51), a lever (52), a support (53) and a second compression rod (54), wherein the support (53) is symmetrically arranged on the side wall of the main body (2), the lever (52) is rotatably connected in the support (53), 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 inside of the fixed pipe (31) is rotationally connected with the first compression rod (51), the lever (52) and the second compression rod (54); the first compression rod (51) is rotationally 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);
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), two ends of the sliding groove (61) are respectively communicated with the fixed pipe (31) and the inside of the main body (2), the inner sliding connection side wall of the sliding groove (61) is I-shaped and is connected with the fixed plug (62), one end of the fixed plug (62) is abutted against the second compression rod (54), and the second compression rod (54) is connected with the inside of the sliding groove (61) in a sliding mode;
the leakage-proof 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 connected with the first air bag (43) in a sliding mode, and the first air bag (43) is positioned between the limiting block (32) and the fixed plug (62); the second air bag (44) with one spherical end is arranged in the main body (2), the side wall of the second air bag (44) is connected with the fixed plug (62) in a sliding manner, and the second air bag (44) with the other funnel-shaped end is arranged on the side wall of the first air bag (43);
when liquid flows in the pipeline (12) and the main body (2), the liquid presses the fixed plug (62), so that the fixed plug (62) slides in the chute (61), the fixed plug (62) moves towards the fixed pipe (31), the I-shaped fixed plug (62) slides against the inner side wall of the main body (2), and the fixed plug (62) blocks the liquid from penetrating through the chute (61) and prevents the liquid from entering the inside of the fixed pipe (31); with the movement of the fixing plug (62), the fixing plug (62) presses the second air bag (44), gas inside the second air bag (44) is pressed into the first air bag (43), so that air presses the first air bag (43), and the tightness of the connection part of the first air bag (43) and the pipeline (12) is increased, so that liquid leakage is prevented; and when the fixed plug (62) moves, the second compression rod (54) is extruded, the second compression rod (54) is pushed to rotate in the sliding groove (61) and the fixed pipe (31), so that the second compression rod (54) pushes the lever (52) to do 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 clamping groove (33) to compress the limiting block (32), the limiting block (32) slides in the clamping groove (33) to stretch the spring (34) in the fixed pipe (31), the limiting block (32) rotates into the pipe (12), the limiting block (32) is clamped with the pipe (12) and the main body (2), the pipe (12) is fixed in the main body (2), and the pipe (12) is prevented from being separated from the main body (2) when liquid is conveyed, and liquid leakage is avoided.
2. The polypropylene corrosion prevention pipe joint according to claim 1, wherein: the connecting mechanism (1) comprises a fixed ring (11), a pipeline (12) and a piston (13), wherein the annular pistons (13) are respectively arranged in the two ends of the main body (2), and the inside of the main body (2) is in threaded connection with the pipeline (12); the side wall of the pipeline (12) is provided with the fixed ring (11), the fixed ring (11) is connected with the inside of the main body (2) in a sliding mode, and the inner clamping side wall of the fixed ring (11) is provided with the piston (13) with a trapezoid side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417050.6A CN114165668B (en) | 2021-11-26 | 2021-11-26 | Polypropylene anti-corrosion pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417050.6A CN114165668B (en) | 2021-11-26 | 2021-11-26 | Polypropylene anti-corrosion pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114165668A CN114165668A (en) | 2022-03-11 |
| CN114165668B true CN114165668B (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111417050.6A Active CN114165668B (en) | 2021-11-26 | 2021-11-26 | Polypropylene anti-corrosion pipe joint |
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| Country | Link |
|---|---|
| CN (1) | CN114165668B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH565341A5 (en) * | 1974-05-08 | 1975-08-15 | Fassbind Karl | Flexible mounting for liquid carrying pipes - elastomer inserts located in shells provide an efficient damper action for reduction of transmitted noise |
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| CN213420104U (en) * | 2020-10-15 | 2021-06-11 | 浙江天书密封件有限公司 | Valve sealing element convenient to installation is dismantled |
| 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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2021
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| CH565341A5 (en) * | 1974-05-08 | 1975-08-15 | Fassbind Karl | Flexible mounting for liquid carrying pipes - elastomer inserts located in shells provide an efficient damper action for reduction of transmitted noise |
| US5707224A (en) * | 1996-07-30 | 1998-01-13 | Yang; Gene-Huang | Liquid pump having an elongate slider and a pair of rotating disks |
| CN207945389U (en) * | 2018-02-26 | 2018-10-09 | 河南日月明新能源科技有限公司 | A kind of quick charging joint of gas for pipeline |
| CN109854826A (en) * | 2018-12-17 | 2019-06-07 | 江苏宝鹏科技管业有限公司 | A kind of composite metal-plastic pipe transition connecting structure |
| CN110260071A (en) * | 2019-06-27 | 2019-09-20 | 练伟 | A kind of high-accuracy mechanical casting |
| CN213420104U (en) * | 2020-10-15 | 2021-06-11 | 浙江天书密封件有限公司 | Valve sealing element convenient to installation is dismantled |
| CN112728223A (en) * | 2020-12-23 | 2021-04-30 | 常德祉博新型装饰材料有限责任公司 | Water supply wall bushing for indoor decoration project |
| CN112856051A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Polyethylene water supply pipeline |
| CN112923149A (en) * | 2021-01-19 | 2021-06-08 | 青岛莱伯瑞科技有限公司 | Fixing device for reverse osmosis equipment with leak protection function |
| 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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|---|---|
| CN114165668A (en) | 2022-03-11 |
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