CN215674186U - Corrugated pipe structure - Google Patents
Corrugated pipe structure Download PDFInfo
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- CN215674186U CN215674186U CN202121415830.2U CN202121415830U CN215674186U CN 215674186 U CN215674186 U CN 215674186U CN 202121415830 U CN202121415830 U CN 202121415830U CN 215674186 U CN215674186 U CN 215674186U
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- 239000000565 sealant Substances 0.000 claims abstract description 42
- 230000003014 reinforcing effect Effects 0.000 claims description 50
- 238000007906 compression Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 19
- 239000000084 colloidal system Substances 0.000 claims description 15
- 230000008961 swelling Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 25
- 229920005989 resin Polymers 0.000 description 25
- 239000000463 material Substances 0.000 description 18
- 239000007822 coupling agent Substances 0.000 description 16
- 229920001903 high density polyethylene Polymers 0.000 description 15
- 239000004700 high-density polyethylene Substances 0.000 description 15
- 229920002943 EPDM rubber Polymers 0.000 description 13
- 239000004743 Polypropylene Substances 0.000 description 13
- 239000003963 antioxidant agent Substances 0.000 description 13
- 230000003078 antioxidant effect Effects 0.000 description 13
- 239000003795 chemical substances by application Substances 0.000 description 13
- 239000004595 color masterbatch Substances 0.000 description 13
- -1 polypropylene Polymers 0.000 description 13
- 229920001155 polypropylene Polymers 0.000 description 13
- 239000000314 lubricant Substances 0.000 description 12
- 239000002667 nucleating agent Substances 0.000 description 12
- 239000004609 Impact Modifier Substances 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 6
- 239000003607 modifier Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention discloses a corrugated pipe structure which comprises a pipe body, wherein the end parts of two ends of the pipe body are respectively provided with a flared part and a socket part. The pipe wall at the front end of the socket part extends forwards to form a front end inserting part; the diameter of the flaring part is larger than that of the pipe body, and the socket part can be inserted into the flaring part which is butted with the other pipe body; a front section of water-swelling sealant is arranged between the front end inserting part and the flaring part; a groove between every two adjacent annular convex ribs forms a limiting groove, and a tail section water-swelling sealant is arranged between at least one limiting groove and the flared part; the invention has the advantages of high impact strength, excellent wear resistance, strong ring stiffness, hard texture and the like.
Description
Technical Field
The invention relates to the technical field of sewage pipes, in particular to a corrugated pipe structure.
Background
The corrugated pipe is commonly used as a sewage discharge pipe in an underground pipe network, and the conventional PVC and HDPE pipes have the common defects of poor impact strength, poor wear resistance, low ring rigidity and soft texture in use.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, adapt to practical requirements and provide a corrugated pipe structure so as to solve the technical problems of poor impact strength, poor wear resistance, low ring stiffness and soft texture of the current PVC and HDPE pipes.
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the invention discloses a corrugated pipe structure which comprises a pipe body, wherein the end parts of two ends of the pipe body are respectively provided with a flared part and a socket part. The pipe wall at the front end of the socket part extends forwards to form a front end inserting part.
The diameter of the flaring part is larger than that of the pipe body, and the socket part can be inserted into the flaring part which is butted with the other pipe body; a front section of water-swelling sealant is arranged between the front end inserting part and the flaring part; the groove between two adjacent annular convex ribs forms a limiting groove, and at least one tail section water-swelling sealant is arranged between the limiting groove and the flaring part.
The socket joint anti-drop limiting rubber ring is arranged in one of the limiting grooves behind the water-swelling sealant at the tail section, protrudes out of the socket joint part and inclines towards the tail direction, the flared part pipe wall at the position corresponding to the socket joint anti-drop limiting rubber ring is arched towards the outside to form a first flared part reinforcing groove, and the end part of the socket joint anti-drop limiting rubber ring is positioned in the first flared part reinforcing groove and provides resistance when the flared part and the socket joint part are separated.
The flaring portion and the pipe body are connected through a conical inclined surface, a second flaring reinforcing groove which is arched outwards is formed in the pipe wall of the flaring portion at the joint of the conical inclined surface and the flaring portion, and the top of the front section of the water-swelling sealant is convexly embedded into the second flaring reinforcing groove.
And the pipe wall of the flaring part is provided with a plurality of reinforcing ribs which are axially arranged at intervals.
The section of the annular convex rib is a hollow cavity, and the whole annular convex rib is of an inverted U-shaped or inverted V-shaped structure.
The thickness of the front end insertion part is larger than that of the pipe wall of the pipe body.
The cross-section is the rectangle and sets up the sealed glue compression chamber of anterior segment water-swelling that constitutes closed cavity along sealed length direction of water-swelling of anterior segment water-swelling in sealed glue, the sealed glue compression chamber of anterior segment water-swelling is horizontal setting in cross-section direction, sealed glue compression chamber of anterior segment water-swelling allows the sealed top of sealed glue of anterior segment water-swelling and flaring portion pipe wall connected with it to have the momentum on radial direction.
The tail section water swelling sealant compression cavity is arranged in the tail section water swelling sealant, the section of the tail section water swelling sealant compression cavity is rectangular, and the tail section water swelling sealant compression cavity is arranged along the length direction of the tail section water swelling sealant to form a closed cavity.
The tip inner wall of flaring portion is equipped with the spacing draw-in groove that the cross-section is "[" shape, still includes that the cross-section is for invering "U" shape and detain the spacing annular colloid of tip on the annular fin that corresponds with it, the surface of the spacing annular colloid of tip is the inclined plane, and this inclined plane highest point forms right angle step with the spacing annular colloid tail end tip of tip, and the upper portion of the spacing annular colloid front end of tip be the plane and with the inclined plane lowest end department is connected, works as behind the flaring portion inserted, the body of spacing draw-in groove front side is pressed on the plane, right angle step's vertical part supports on the inner wall of spacing draw-in groove and the flaring portion is spacing. And a buffer cavity which is annularly arranged and communicates with the closed channel is arranged in the end part limiting annular colloid below the step, and the buffer cavity allows the end part of the flaring part and the end part limiting annular colloid to have movement in the radial direction.
The pipe body is provided with a plurality of reinforcing arches arranged at intervals, the reinforcing arches are arranged on the peripheral wall of the annular environment-friendly pipe body, the reinforcing arches are internally provided with cavities, the cross section of each reinforcing arch is integrally arched, the middle of each reinforcing arch is inwards sunken, and the inwards sunken height of the middle of each reinforcing arch is not greater than 1/3 of the maximum height of each reinforcing arch.
And annular reinforcing ribs are arranged on the pipe body between every two adjacent reinforcing arches, the cross sections of the reinforcing ribs are semicircular, and the middle parts of the reinforcing ribs are circular through holes and extend along the length direction of the reinforcing ribs to form closed through holes.
The invention has the beneficial effects that:
the corrugated pipe produced by the method has the advantages of high impact strength, excellent wear resistance, strong ring stiffness, hard texture and the like, and has the characteristic of long service life.
Drawings
FIG. 1 is a schematic cross-sectional view of the bellows structure after being inserted;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is a schematic cross-sectional view of the structure of fig. 1 after modification.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
example 1: a modified corrugated pipe comprises the following components in parts by weight: 50 parts of polypropylene resin, 50 parts of high-density polyethylene resin, 5 parts of ethylene propylene diene monomer, 5 parts of nano modified material, 0.5 part of color master batch, 1 part of nucleating agent, 1 part of lubricant, 0.5 part of antioxidant, 0.5 part of anti-ultraviolet agent, 1 part of compatibilizer, 1 part of impact-resistant modifier and 0.5 part of coupling agent.
Example 2: a modified corrugated pipe comprises the following components in parts by weight: 100 parts of polypropylene resin, 88 parts of high-density polyethylene resin, 9 parts of ethylene propylene diene monomer, 22 parts of nano modified material, 2 parts of color master batch, 13 parts of nucleating agent, 3 parts of lubricant, 1.3 parts of antioxidant, 1.1 parts of anti-ultraviolet agent, 14 parts of compatibilizer, 8 parts of impact modifier and 6 parts of coupling agent.
Example 3: a modified corrugated pipe comprises the following components in parts by weight: 150 parts of polypropylene resin, 150 parts of high-density polyethylene resin, 15 parts of ethylene propylene diene monomer, 35 parts of nano modified material, 5 parts of color master batch, 30 parts of nucleating agent, 5 parts of lubricant, 2 parts of antioxidant, 2 parts of anti-ultraviolet agent, 25 parts of compatibilizer, 15 parts of impact modifier and 10 parts of coupling agent.
Example 4: a modified corrugated pipe comprises the following components in parts by weight: 55 parts of polypropylene resin, 145 parts of high-density polyethylene resin, 11 parts of ethylene propylene diene monomer, 33 parts of nano modified material, 0.6 part of color master batch, 2 parts of nucleating agent, 3 parts of lubricant, 0.8 part of antioxidant, 1.5 parts of anti-ultraviolet agent, 22 parts of compatibilizer, 11 parts of impact modifier and 3 parts of coupling agent.
Example 5: a modified corrugated pipe comprises the following components in parts by weight: 121 parts of polypropylene resin, 130 parts of high-density polyethylene resin, 11 parts of ethylene propylene diene monomer, 12 parts of nano modified material, 3 parts of color master batch, 25 parts of nucleating agent, 5 parts of lubricant, 1 part of antioxidant, 1 part of anti-ultraviolet agent, 2 parts of compatibilizer, 14 parts of impact modifier and 0.5 part of coupling agent.
Example 6: a modified corrugated pipe comprises the following components in parts by weight: 66 parts of polypropylene resin, 100 parts of high-density polyethylene resin, 6 parts of ethylene propylene diene monomer, 18 parts of nano modified material, 3 parts of color master batch, 23 parts of nucleating agent, 2 parts of lubricant, 1 part of antioxidant, 0.5 part of ultraviolet resistant agent, 1 part of compatibilizer, 15 parts of impact resistant modifier and 10 parts of coupling agent.
Example 7: a modified corrugated pipe comprises the following components in parts by weight: 50-150 parts of polypropylene resin, 50 parts of high-density polyethylene resin, 5 parts of ethylene propylene diene monomer, 5 parts of nano modified material, 0.5 part of color master batch, 1 part of nucleating agent, 1 part of lubricant, 0.5 part of antioxidant, 0.5 part of ultraviolet resistant agent, 1 part of compatibilizer, 1 part of impact-resistant modifier, 0.5 part of coupling agent and 5 parts of ceramic powder.
Example 8: a modified corrugated pipe comprises the following components in parts by weight: 100 parts of polypropylene resin, 88 parts of high-density polyethylene resin, 9 parts of ethylene propylene diene monomer, 22 parts of nano modified material, 2 parts of color master batch, 13 parts of nucleating agent, 3 parts of lubricant, 1.3 parts of antioxidant, 1.1 parts of anti-ultraviolet agent, 14 parts of compatibilizer, 8 parts of impact modifier, 6 parts of coupling agent and 15 parts of ceramic powder.
Example 9: a modified corrugated pipe comprises the following components in parts by weight: 150 parts of polypropylene resin, 150 parts of high-density polyethylene resin, 15 parts of ethylene propylene diene monomer, 35 parts of nano modified material, 5 parts of color master batch, 30 parts of nucleating agent, 5 parts of lubricant, 2 parts of antioxidant, 2 parts of anti-ultraviolet agent, 25 parts of compatibilizer, 15 parts of impact modifier, 10 parts of coupling agent and 8 parts of ceramic powder.
Example 10: a modified corrugated pipe comprises the following components in parts by weight: 55 parts of polypropylene resin, 145 parts of high-density polyethylene resin, 11 parts of ethylene propylene diene monomer, 33 parts of nano modified material, 0.6 part of color master batch, 2 parts of nucleating agent, 3 parts of lubricant, 0.8 part of antioxidant, 1.5 parts of ultraviolet resistant agent, 22 parts of compatibilizer, 11 parts of impact-resistant modifier, 3 parts of coupling agent and 6 parts of ceramic powder.
Example 11: a modified corrugated pipe comprises the following components in parts by weight: 121 parts of polypropylene resin, 130 parts of high-density polyethylene resin, 11 parts of ethylene propylene diene monomer, 12 parts of nano modified material, 3 parts of color master batch, 25 parts of nucleating agent, 5 parts of lubricant, 1 part of antioxidant, 1 part of anti-ultraviolet agent, 2 parts of compatibilizer, 14 parts of impact modifier, 0.5 part of coupling agent and 13 parts of ceramic powder.
Example 12: a modified corrugated pipe comprises the following components in parts by weight: 66 parts of polypropylene resin, 100 parts of high-density polyethylene resin, 6 parts of ethylene propylene diene monomer, 18 parts of nano modified material, 3 parts of color master batch, 23 parts of nucleating agent, 2 parts of lubricant, 1 part of antioxidant, 0.5 part of ultraviolet resistant agent, 1 part of compatibilizer, 15 parts of impact resistant modifier, 10 parts of coupling agent and 12 parts of ceramic powder.
Example 13, a method of producing corrugated tubing, the method for producing corrugated tubing as described in the preceding examples, comprising the steps of:
(1) mixing the raw materials of polypropylene, a coupling agent, a compatibilizer, ethylene propylene diene monomer and color master batch, stirring at the temperature of 60-85 ℃ for 5-30 minutes, cooling to 40-45 ℃, and granulating at the temperature of 40-45 ℃ to obtain a stock material 1.
In this step: the coupling agent is selected to be 40% of the total mass; the compatibilizer is selected from 50% of the total mass.
During granulation, the temperature of the cylinder 1 zone in the granulator is 180-200 ℃, the temperature of the cylinder 2 zone is 185-210 ℃, the temperature of the cylinder 3 zone is 185-200 ℃, and the temperature of the cylinder 4 zone is 185-210 ℃; the temperature of the area of the die 1 in the granulator is 190-220 ℃, the temperature of the area of the die 2 is 190-220 ℃, and the temperature of the area of the die 3 is 190-230 ℃; the rotating speed of a main machine screw of the granulator is 5-50 revolutions/min, and the rotating speed of a cutter is 5-150 revolutions/min.
(2) Mixing high-density polyethylene resin, a processing modifier, a coupling agent, an antioxidant, an anti-ultraviolet agent, a compatibilizer and an impact modifier, stirring at 70-95 ℃ for 10-30 minutes, cooling to 40-45 ℃, and granulating at 40-45 ℃ to obtain a stock 2;
in this step: the coupling agent is selected from 60% of the total mass; the compatibilizer is selected from 40% of the total mass.
During granulation, the temperature of the cylinder 1 zone in the granulator is 200-; the temperature of the area 1 of the die is 200-; the rotating speed of the screw of the main machine is 10-50 r/min, and the rotating speed of the cutter is 10-150 r/min.
(3) Mixing the material 1 and the material 2 at 60-85 ℃, stirring for 10-30 minutes at 60-85 ℃, cooling to 40-45 ℃ and granulating to obtain a material 3;
in this step: during granulation, the temperature of the cylinder 1 zone in the granulator is 200-220 ℃, the temperature of the cylinder 2 zone is 200-220 ℃, the temperature of the cylinder 3 zone is 200-215 ℃, and the temperature of the cylinder 4 zone is 200-220 ℃; the temperature of the area 1 of the die is 200-; the rotating speed of the screw of the main machine is 10-50 r/min, and the rotating speed of the cutter is 10-150 r/min.
(4) And sending the prepared material 3 into an extrusion molding machine for extrusion and cooling to obtain the modified corrugated pipe.
When extruding, the extrusion molding machine adopts a single-head double-flow-channel extrusion molding machine; during extrusion, the cylinder temperatures of the inner wall machine and the outer wall machine of the extrusion molding machine are respectively as follows: the 1 region is 180-; the head temperature of the extrusion molding machine is 220-.
The corrugated pipe of the embodiment can be obtained through the steps.
Example 14, a bellows structure produced according to the method of example 13 using the formulated feed materials of any of examples 1-12.
Referring to fig. 1 to 3, the bellows structure includes: a pipe body 100 having a flared portion 112 and a socket portion 200 at both ends thereof, respectively; the socket part 200 and the pipe body 100 have the same diameter, the pipe wall of the socket part 200 is provided with at least two annular convex ribs 201 which are axially arranged at intervals and are arranged around the pipe wall of the socket part 200, and the pipe wall positioned at the front end of the socket part 200 extends forwards to form a front end inserting part 211; the section of the annular convex rib 201 is a hollow cavity 202 inside and is of an inverted U-shaped or inverted V-shaped structure integrally, the thickness of the front end insertion part 211 is larger than that of the pipe wall of the pipe body 100, and the strength of the front end when the front end is inserted is improved.
In the present design, the diameter of the flared part 112 is larger than that of the pipe body 100, and the socket part 200 can be inserted into the flared part 112 of another pipe body 100 and butted with the other pipe body; meanwhile, a front section water-swellable sealant 120 is arranged between the front end insertion part 211 and the flared part 112; the recess between two adjacent annular fin 201 constitutes the spacing groove, 2 a plurality ofly it is equipped with tail section water swelling sealant 121 between spacing groove and flared portion 112, and the sealed 120 of front section water swelling sealant and tail section water swelling sealant 121 constitute the leakproofness of multilayer sealing rubber ring improvement junction.
Meanwhile, the socket anti-drop limiting rubber ring 122 is further arranged in one of the limiting grooves behind the tail section water-swelling sealant 121, the socket anti-drop limiting rubber ring 122 protrudes out of the socket portion 200 and inclines towards the tail direction, the pipe wall of the flared portion 112 at the position corresponding to the socket anti-drop limiting rubber ring 122 arches outwards to form a first flared enhancement groove 113, the end portion of the socket anti-drop limiting rubber ring 122 is located in the first flared enhancement groove 113 and provides resistance when the flared portion 112 and the socket portion 200 are separated, and the socket anti-drop limiting rubber ring 122 arranged in an inclined manner is matched with the first flared enhancement groove 113 to improve the stability when the socket portion is butted with the first flared enhancement groove, so that looseness and separation of the socket portion are prevented.
Furthermore, flared portion 112 in this design with body 100 junction is cone inclined plane 110 to be equipped with the second flaring reinforcing groove 111 of outside hunch-up on the flared portion 112 pipe wall of this cone inclined plane 110 with flared portion 112 junction, sealed 120 top protrusion embedding of sealed glue of anterior segment water-swelling is to in the second flaring reinforcing groove 111, sealed 120 use of sealed glue of this anterior segment water-swelling can play waterproof sealing effect, can play anti-drop effect again, realizes dual function.
Furthermore, the design is provided with a plurality of first reinforcing ribs 114 arranged at axial intervals on the pipe wall of the flared part 112, the reinforcing rib improves the overall strength and hardness of the flared part, and simultaneously, a plurality of reinforcing arches 101 which are arranged at intervals are arranged on the same pipe body 100 between the flared part 112 and the socket part 200, the reinforcing arches 101 are arranged in the peripheral wall of the annular environment-friendly pipe body 100, and the reinforced arched inner part 103 is in an M shape with a cavity and an integrally arched middle part 102 inwards sunken in section, the reinforcing dome mid-portion 102 is recessed inwardly to a height no greater than 1/3 of the maximum height of the reinforcing dome 101, meanwhile, a second annular reinforcing rib 104 is arranged on the pipe body 100 between two adjacent reinforcing arches 101, the section of the second reinforcing rib 104 is semicircular, and the middle part of the reinforcing rib is a circular through hole and extends along the length direction of the reinforcing rib to form a closed through hole 105. The first reinforcing rib 114, the reinforcing arch 101 and the second reinforcing rib 104 are designed to increase the overall strength and reduce the mass of the pipe body.
Further, in order to improve the sealing performance of the joint, more importantly, the deformation performance of the joint of the flared part and the spigot-and-socket part is improved, so that the pipe body is prevented from being damaged by excessive external force pressure, and meanwhile, the waterproof performance of the joint is prevented from being reduced, the front section water-swelling sealant compression cavity 123 which is rectangular in cross section and is arranged along the length direction of the front section water-swelling sealant 120 to form a closed cavity is arranged in the front section water-swelling sealant 120, the front section water-swelling sealant compression cavity 123 is transversely arranged in the cross section direction, and the front section water-swelling sealant compression cavity 123 allows the top of the front section water-swelling sealant 120 and the pipe wall of the flared part 112 connected with the front section water-swelling sealant 120 to have 1-5mm of movement in the radial direction.
Similarly, the tail section water-swelling sealant compression cavity 121 with a rectangular cross section and a closed cavity formed by the tail section water-swelling sealant 121 in the tail section water-swelling sealant 121 along the length direction of the tail section water-swelling sealant 121 is arranged, the tail section water-swelling sealant compression cavity 121 is longitudinally arranged in the cross section direction, and the tail section water-swelling sealant compression cavity 121 allows the tail section water-swelling sealant 121 and the flared part 112 tube wall connected with the tail section water-swelling sealant 121 to have 1-5mm activity in the radial direction.
In the same way, in order to improve the sealing performance after the end part of the flared part is connected, improve the deformation performance of the joint of the end part of the flared part and prevent the end part of the flared part from being damaged due to overlarge external pressure, the inner wall of the end part 115 of the flaring part is provided with a limit clamping groove 116 with a cross section in a [ -shape, and also comprises an end part limit annular colloid 125 with an inverted U-shaped cross section and buckled on an annular convex rib 201 corresponding to the cross section, the outer surface of the end part limit annular colloid 125 is an inclined plane 127, the highest part of the inclined plane and the end part of the tail end of the end part limiting annular colloid 125 form a right-angled step 126, and the upper part of the front end of the end part limit ring-shaped colloid 125 is a plane and is connected with the lowest end of the inclined plane, when the socket 200 is inserted into the flared portion 112, the pipe body 100 in front of the limiting slot 116 is pressed on the plane, the vertical part of the right-angle step 126 abuts against the inner wall of the limiting clamping groove 116 and is limited by the flared part 112; and a buffer cavity 128 which is annularly arranged and communicates with a closed channel is arranged in the end part limiting annular colloid 125 below the step 126, the buffer cavity 128 allows the end part of the flared part 112 and the end part limiting annular colloid 125 to have 1-5mm of movement in the radial direction, and meanwhile, the flared part and the socket part can be fixed and limited through the right-angle step 126 and the limiting clamping groove 116 by matching the limiting clamping groove 116 with the end part limiting annular colloid 125, and the multiple fixing and sealing effects can be realized by combining the front-section water-swelling sealant 120 and the tail-section water-swelling sealant compression cavity 121.
The corrugated pipes produced by the method described in example 13 according to the respective parameter ratios of examples 1 to 12 were compared with the following performance parameters:
finally, although the preferred embodiments of the present invention have been disclosed, it is not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. A corrugated pipe structure comprises a pipe body, wherein the end parts of two ends of the pipe body are respectively provided with a flared part and a socket part; the method is characterized in that: the pipe wall at the front end of the socket part extends forwards to form a front end inserting part;
the diameter of the flaring part is larger than that of the pipe body, and the socket part can be inserted into the flaring part which is butted with the other pipe body; a front section of water-swelling sealant is arranged between the front end inserting part and the flaring part; the groove between two adjacent annular convex ribs forms a limiting groove, and at least one tail section water-swelling sealant is arranged between the limiting groove and the flaring part.
2. The bellows structure of claim 1, wherein: the socket joint anti-drop limiting rubber ring is arranged in one of the limiting grooves behind the water-swelling sealant at the tail section, protrudes out of the socket joint part and inclines towards the tail direction, the flared part pipe wall at the position corresponding to the socket joint anti-drop limiting rubber ring is arched towards the outside to form a first flared part reinforcing groove, and the end part of the socket joint anti-drop limiting rubber ring is positioned in the first flared part reinforcing groove and provides resistance when the flared part and the socket joint part are separated.
3. The bellows structure of claim 2, wherein: the flaring portion and the pipe body are connected through a conical inclined surface, a second flaring reinforcing groove which is arched outwards is formed in the pipe wall of the flaring portion at the joint of the conical inclined surface and the flaring portion, and the top of the front section of the water-swelling sealant is convexly embedded into the second flaring reinforcing groove.
4. The bellows structure of claim 1, wherein: and the pipe wall of the flaring part is provided with a plurality of reinforcing ribs which are axially arranged at intervals.
5. A bellows structure according to claim 4, wherein: the section of the annular convex rib is a hollow cavity and integrally takes an inverted U-shaped or inverted V-shaped structure; the thickness of the front end insertion part is larger than that of the pipe wall of the pipe body.
6. The bellows structure of claim 1, wherein: the cross-section is the rectangle and sets up the sealed glue compression chamber of anterior segment water-swelling that constitutes closed cavity along sealed length direction of water-swelling of anterior segment water-swelling in sealed glue, the sealed glue compression chamber of anterior segment water-swelling is horizontal setting in cross-section direction, sealed glue compression chamber of anterior segment water-swelling allows the sealed top of sealed glue of anterior segment water-swelling and flaring portion pipe wall connected with it to have the momentum on radial direction.
7. The bellows structure of claim 6, wherein: the tail section water swelling sealant compression cavity is arranged in the tail section water swelling sealant, the section of the tail section water swelling sealant compression cavity is rectangular, and the tail section water swelling sealant compression cavity is arranged along the length direction of the tail section water swelling sealant to form a closed cavity.
8. A bellows structure according to claim 7, wherein: the pipe body at the front side of the limiting clamping groove is pressed on the plane after the socket part is inserted into the flaring part, and the vertical part of the right-angle step abuts against the inner wall of the limiting clamping groove and the flaring part is limited; and a buffer cavity which is annularly arranged and communicates with the closed channel is arranged in the end part limiting annular colloid below the step, and the buffer cavity allows the end part of the flaring part and the end part limiting annular colloid to have movement in the radial direction.
9. The bellows structure of claim 1, wherein: the pipe body is provided with a plurality of reinforcing arches arranged at intervals, the reinforcing arches are arranged on the peripheral wall of the annular environment-friendly pipe body, the reinforcing arches are internally provided with cavities, the cross section of each reinforcing arch is integrally arched, the middle of each reinforcing arch is inwards sunken, and the inwards sunken height of the middle of each reinforcing arch is not greater than 1/3 of the maximum height of each reinforcing arch.
10. The bellows structure of claim 9, wherein: and annular reinforcing ribs are arranged on the pipe body between every two adjacent reinforcing arches, the cross sections of the reinforcing ribs are semicircular, and the middle parts of the reinforcing ribs are circular through holes and extend along the length direction of the reinforcing ribs to form closed through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415830.2U CN215674186U (en) | 2021-06-24 | 2021-06-24 | Corrugated pipe structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415830.2U CN215674186U (en) | 2021-06-24 | 2021-06-24 | Corrugated pipe structure |
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| CN215674186U true CN215674186U (en) | 2022-01-28 |
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| CN202121415830.2U Expired - Fee Related CN215674186U (en) | 2021-06-24 | 2021-06-24 | Corrugated pipe structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521531A (en) * | 2021-06-24 | 2022-12-27 | 江西蕴德新材料有限公司 | Modified corrugated pipe, corrugated pipe production method and corrugated pipe structure |
-
2021
- 2021-06-24 CN CN202121415830.2U patent/CN215674186U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521531A (en) * | 2021-06-24 | 2022-12-27 | 江西蕴德新材料有限公司 | Modified corrugated pipe, corrugated pipe production method and corrugated pipe structure |
| CN115521531B (en) * | 2021-06-24 | 2024-05-24 | 江西蕴德新材料有限公司 | Modified corrugated pipe, corrugated pipe production method and corrugated pipe structure |
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Granted publication date: 20220128 |