CN113566028A - High-temperature-resistant safe HDPE (high-density polyethylene) gas pipe - Google Patents
High-temperature-resistant safe HDPE (high-density polyethylene) gas pipe Download PDFInfo
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- CN113566028A CN113566028A CN202110660310.6A CN202110660310A CN113566028A CN 113566028 A CN113566028 A CN 113566028A CN 202110660310 A CN202110660310 A CN 202110660310A CN 113566028 A CN113566028 A CN 113566028A
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
- F16L11/125—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting non-inflammable or heat-resistant hoses
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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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a high-temperature-resistant safe HDPE gas pipe which comprises a pipe body, a wear-resistant cast stone layer, a high-density polyethylene pipe base layer, an anticorrosive latex layer and a toughened pressure-resistant layer, wherein the anticorrosive latex layer is arranged at the edge position inside the pipe body, the toughened pressure-resistant layer is arranged at the edge position inside the pipe body on one side of the anticorrosive latex layer, the high-density polyethylene pipe base layer is arranged at the edge position inside the pipe body on one side of the toughened pressure-resistant layer, which is far away from the anticorrosive latex layer, a flame-retardant rubber layer is arranged at the edge position inside the pipe body on one side of the high-density polyethylene pipe base layer, which is far away from the toughened pressure-resistant layer, and the wear-resistant cast stone layer is arranged at the edge position inside the pipe body on one side of the flame-retardant rubber layer, which is far away from the high-density polyethylene pipe base layer. The invention not only prolongs the service life of the gas pipe, reduces the phenomenon of gas leakage when the gas pipe is used, but also improves the convenience when the gas pipe is used.
Description
Technical Field
The invention relates to the technical field of gas pipes, in particular to a high-temperature-resistant safety HDPE gas pipe.
Background
HDPE refers to high-density polyethylene, also called low-pressure polyethylene, is a non-polar thermoplastic resin with high crystallinity, and HDPE gas pipes have the advantages of impact resistance, flexibility, reliable connection and the like, and are widely applied to various fields, so that pipes used in the gas conveying process in China are HDPE gas pipes.
The gas pipes on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.
(1) The existing gas pipe has general wear resistance, corrosion resistance and flame retardant property, so that the gas pipe is easy to damage due to external factors, and has short service life;
(2) the existing gas pipe is inconvenient for sealing the inlet end and the outlet end of the pipe body, so that the phenomenon of easy leakage of gas is caused, and people are often troubled;
(3) the size that opens and shuts of present this kind of gas pipe inconvenient regulation tubular product body is difficult to adjust the supply rate of gas according to the demand, and it is inconvenient sometimes to use.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant safety HDPE gas pipe, and aims to solve the problems that the gas pipe has general wear resistance, corrosion resistance and flame retardance, the connection end and the connection end of a pipe body are inconvenient to seal, and the size of the pipe body is inconvenient to adjust.
In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature resistant safe HDPE gas pipe comprises a pipe body, a wear-resistant cast stone layer, a high-density polyethylene pipe fitting base layer, an anti-corrosion latex layer and a toughened pressure-resistant layer, the edge position of the inside of the pipe body is provided with an anticorrosive latex layer, the edge position of the inside of the pipe body at one side of the anticorrosive latex layer is provided with a toughened pressure-resistant layer, and the high-density polyethylene pipe fitting base layer is arranged at the edge position of the inner part of the pipe fitting body at one side of the toughened pressure-resistant layer, which is far away from the anticorrosive latex layer, the high-density polyethylene pipe base layer is provided with a flame-retardant rubber layer at the edge position of the inner part of the pipe body at the side far away from the toughened pressure-resistant layer, and the position of the edge of the inner part of the pipe body at one side of the flame-retardant rubber layer, which is far away from the base layer of the high-density polyethylene pipe is provided with a wear-resistant cast stone layer, both sides of the interior of the pipe body are provided with a stopping structure, and both ends of the pipe body are provided with pipe clamp structures.
Preferably, the inside of structure is equipped with circulation ball groove, by spheroid, hand wheel, guide shaft and sealing ring in proper order, the inside both sides of tubular product body all are equipped with by the spheroid, rotate with the bottom of tubular product body by spheroidal bottom and are connected to settle the processing to circulation ball groove.
Preferably, a flow ball groove is formed in the center of the inner portion of the stop ball body, and two ends of the flow ball groove extend to the outer portion of the stop ball body, so that the opening and closing size of the pipe body can be adjusted.
Preferably, the contact position of the cut-off sphere and the pipe body is provided with a sealing ring, and the adjacent sealing rings are symmetrical about the central line of the cut-off sphere so as to seal the cut-off sphere.
Preferably, a guide shaft is fixed at the center of the top end of the cut-off sphere, and one end of the guide shaft, which is far away from the cut-off sphere, extends to the outside of the pipe body and is provided with a hand wheel so as to drive the cut-off sphere to rotate.
Preferably, the inside of pipe strap structure is equipped with locking bolt, arc pipe strap, first splint, lock nut and second splint in proper order, all install the arc pipe strap on two lateral walls at tubular product body both ends, and be fixed with first splint and second splint on the outer wall at arc pipe strap both ends respectively to the incoming end of tubular product body with connect the output and carry out sealing treatment.
Preferably, the outer wall that first splint one side was kept away from to the second splint is fixed with lock nut, and installs lock bolt on the outer wall that second splint one side was kept away from to first splint, and lock bolt's one end runs through first splint and second splint in proper order and with lock nut threaded connection to settle the processing to the arc venturi tube card.
Preferably, the thickness of wear-resisting cast stone layer equals with the thickness of anticorrosive emulsion layer, and wear-resisting cast stone layer and anticorrosive emulsion layer are symmetrical about the central line of high density polyethylene pipe fitting base layer, have improved the stability of tubular product body.
Preferably, the thickness of the flame-retardant rubber layer is equal to that of the toughened pressure-resistant layer, and the flame-retardant rubber layer and the toughened pressure-resistant layer are symmetrical about the central line of the high-density polyethylene pipe fitting base layer, so that the stability of the pipe fitting body is improved.
Compared with the prior art, the invention has the beneficial effects that: the high-temperature-resistant safe HDPE gas pipe not only prolongs the service life of the gas pipe, reduces the phenomenon of gas leakage when the gas pipe is used, but also improves the convenience when the gas pipe is used;
(1) by arranging the wear-resistant cast stone layer, the flame-retardant rubber layer, the anticorrosive latex layer and the toughened pressure-resistant layer, the wear-resistant cast stone layer and the flame-retardant rubber layer are arranged inside the pipe body on the outer side of the high-density polyethylene pipe fitting base layer from top to bottom, and the anticorrosive latex layer and the toughened pressure-resistant layer are arranged inside the pipe body on the inner side of the high-density polyethylene pipe fitting base layer from bottom to top, so that the wear-resistant cast stone layer, the flame-retardant rubber layer, the anticorrosive latex layer and the toughened pressure-resistant layer respectively have good wear-resistant, flame-retardant, anticorrosive and pressure-resistant performances, the wear-resistant, flame-retardant, anticorrosive and pressure-resistant performances of the pipe body are improved, the phenomenon that the pipe body is damaged due to external factors can be further reduced, and the service life of a gas pipe is prolonged;
(2) by arranging the locking bolt, the arc-shaped pipe clamps, the first clamping plate, the locking nut and the second clamping plate, one end of the locking bolt sequentially penetrates through the first clamping plate and the second clamping plate and is screwed into the locking nut by rotating the locking bolt, so that the two groups of arc-shaped pipe clamps are respectively installed on the outer walls of two sides of two ends of the pipe body;
(3) through being provided with circulation ball groove, by spheroid, hand wheel, guide shaft and sealing ring, through rotatory hand wheel, make it drive through the guide shaft and end the spheroid to be located the inboard tubular product body of sealing ring inside and rotate to make the angle in circulation ball groove change, and then make the size that opens and shuts of tubular product body change, so that adjust the supply rate of gas as required, thereby improved the convenience when gas pipe uses.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a cut-off structure of the present invention in a cross-sectional and enlarged configuration;
FIG. 3 is an enlarged structural view of the pipe clamp of the present invention;
FIG. 4 is a side view of an enlarged structure of the pipe clamp of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;
fig. 6 is a schematic sectional enlarged structure view of the pipe body of the present invention.
In the figure: 1. a tube body; 2. a cut-off structure; 201. a flow ball groove; 202. a cut-off sphere; 203. a hand wheel; 204. a guide shaft; 205. a seal ring; 3. a pipe clamp structure; 301. locking the bolt; 302. an arc pipe clamp; 303. a first splint; 304. locking the nut; 305. a second splint; 4. a wear-resistant cast stone layer; 5. a flame retardant rubber layer; 6. a high density polyethylene pipe base layer; 7. an anti-corrosive latex layer; 8. and (5) toughening the pressure-resistant layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a high-temperature-resistant safe HDPE gas pipe comprises a pipe body 1, a wear-resistant cast stone layer 4, a high-density polyethylene pipe base layer 6, an anticorrosive latex layer 7 and a toughened pressure-resistant layer 8, wherein the anticorrosive latex layer 7 is arranged at the edge position inside the pipe body 1, and a toughened pressure-resistant layer 8 is arranged at the edge position inside the pipe body 1 at one side of the anti-corrosion latex layer 7, and the high-density polyethylene pipe base layer 6 is arranged at the edge position of the interior of the pipe body 1 at the side of the toughened anti-pressure layer 8, which is far away from the anti-corrosion emulsion layer 7, the flame-retardant rubber layer 5 is arranged at the edge position of the interior of the pipe body 1 at the side of the high-density polyethylene pipe base layer 6, which is far away from the toughened anti-pressure layer 8, the thickness of the flame-retardant rubber layer 5 is equal to that of the toughened anti-pressure layer 8, the flame-retardant rubber layer 5 and the toughened pressure-resistant layer 8 are symmetrical about the central line of the high-density polyethylene pipe fitting base layer 6, so that the stability of the pipe fitting body 1 is improved;
the wear-resistant cast stone layer 4 is arranged at the edge position of the inner part of the pipe body 1, which is far away from the high-density polyethylene pipe base layer 6, of the flame-retardant rubber layer 5, the thickness of the wear-resistant cast stone layer 4 is equal to that of the anti-corrosion emulsion layer 7, and the wear-resistant cast stone layer 4 and the anti-corrosion emulsion layer 7 are symmetrical about the central line of the high-density polyethylene pipe base layer 6, so that the stability of the pipe body 1 is improved;
both sides of the interior of the pipe body 1 are provided with a stopping structure 2, the interior of the stopping structure 2 is sequentially provided with a circulation ball groove 201, a stopping ball 202, a hand wheel 203, a guide shaft 204 and a sealing ring 205, both sides of the interior of the pipe body 1 are provided with the stopping ball 202, the bottom end of the stopping ball 202 is rotatably connected with the bottom of the pipe body 1, the center position of the interior of the stopping ball 202 is provided with the circulation ball groove 201, both ends of the circulation ball groove 201 extend to the exterior of the stopping ball 202, the contact position of the stopping ball 202 and the pipe body 1 is provided with the sealing ring 205, the adjacent sealing rings 205 are symmetrical about the center line of the stopping ball 202, the center position of the top end of the stopping ball 202 is fixed with the guide shaft 204, and one end of the guide shaft 204, which is far away from the stopping ball 202, extends to the exterior of the pipe body 1 and is provided with the hand wheel 203;
by rotating the hand wheel 203, the stop ball 202 is driven by the guide shaft 204 to rotate inside the pipe body 1 positioned inside the seal ring 205, so that the angle of the flow ball groove 201 changes, and further the opening and closing size of the pipe body 1 changes, and the supply rate of the fuel gas can be adjusted as required;
the two ends of the pipe body 1 are both provided with pipe clamp structures 3, the pipe clamp structures 3 are internally and sequentially provided with locking bolts 301, arc-shaped pipe clamps 302, first clamping plates 303, locking nuts 304 and second clamping plates 305, the two outer side walls at the two ends of the pipe body 1 are both provided with the arc-shaped pipe clamps 302, the outer walls at the two ends of the arc-shaped pipe clamps 302 are respectively fixed with the first clamping plates 303 and the second clamping plates 305, the outer wall of the second clamping plates 305 far away from one side of the first clamping plates 303 is fixed with the locking nuts 304, the outer wall of the first clamping plates 303 far away from one side of the second clamping plates 305 is provided with the locking bolts 301, and one ends of the locking bolts 301 sequentially penetrate through the first clamping plates 303 and the second clamping plates 305 and are in threaded connection with the locking nuts 304;
through rotatory locking bolt 301, make its one end run through first splint 303 and second splint 305 in proper order and twist to the inside of lock nut 304 to make two sets of arc pipe strap 302 install respectively on the both sides outer wall at tubular product body 1 both ends, when tubular product body 1 connects outside air feed and the pipeline of giving vent to anger, can seal the processing through arc pipe strap 302 to tubular product body 1 and air feed pipeline and the contact position department of the pipeline of giving vent to anger.
The working principle is as follows: when the gas pipe is used, firstly, the locking bolt 301 is rotated to enable one end of the gas pipe to sequentially penetrate through the first clamping plate 303 and the second clamping plate 305 and be screwed into the locking nut 304, so that the two groups of arc-shaped pipe clamps 302 are respectively installed on the outer walls of the two sides of the two ends of the pipe body 1, when the pipe body 1 is connected with an external gas supply pipeline and an external gas outlet pipeline, the contact positions of the pipe body 1 and the gas supply pipeline and the external gas outlet pipeline can be sealed through the arc-shaped pipe clamps 302, then, the hand wheel 203 is rotated to enable the hand wheel 203 to drive the stop ball 202 to rotate in the pipe body 1 positioned at the inner side of the sealing ring 205 through the guide shaft 204, so that the angle of the flow ball groove 201 is changed, further, the opening and closing size of the pipe body 1 is changed, so as to adjust the supply rate of gas according to needs, and finally, the wear-resistant cast 4 and the flame-retardant rubber layer 5 are arranged in the pipe body 1 at the outer side of the high-density polyethylene pipe body base layer 6 from top to bottom, and set up anticorrosive emulsion layer 7 and tempering compressive layer 8 inside 6 inboard tubular product bodies of high density polyethylene pipe fitting by supreme down, because of wear-resisting cast stone layer 4, fire-retardant rubber layer 5, anticorrosive emulsion layer 7 and tempering compressive layer 8 have good wear-resisting respectively, it is fire-retardant, anticorrosive and compressive property, so that the wear-resisting of tubular product body 1, it is fire-retardant, anticorrosive and compressive property obtain promoting, and then can reduce its phenomenon because of external factors produce the damage, thereby accomplish the use of gas pipe.
Claims (9)
1. The utility model provides a high temperature resistant safe type HDPE gas pipe, a serial communication port, including tubular product body (1), wear-resisting cast stone layer (4), high density polyethylene pipe fitting base layer (6), anticorrosive emulsion layer (7) and tempering compressive layer (8), the inside border position department of tubular product body (1) is equipped with anticorrosive emulsion layer (7), and the inside border position department of tubular product body (1) of anticorrosive emulsion layer (7) one side is equipped with tempering compressive layer (8) to tempering compressive layer (8) are kept away from the inside border position department of tubular product body (1) of anticorrosive emulsion layer (7) one side and are equipped with high density polyethylene pipe fitting base layer (6), the inside border position department of tubular product body (1) of keeping away from tempering compressive layer (8) one side in high density polyethylene pipe fitting base layer (6) is equipped with fire-retardant rubber layer (5), and fire-retardant rubber layer (5) keep away from inside border position department of tubular product body (1) of high density polyethylene pipe fitting base layer (6) one side is equipped with wear-resisting cast stone layer (6), and fire-retardant rubber layer (5) are equipped with wear-resisting cast stone layer (6) The cast stone layer (4), both sides inside tubular product body (1) all are equipped with by structure (2), and the both ends of tubular product body (1) all are equipped with pipe strap structure (3).
2. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 1, wherein: the inside of ending structure (2) is equipped with circulation ball groove (201), ends spheroid (202), hand wheel (203), guide shaft (204) and sealing ring (205) in proper order, the inside both sides of tubular product body (1) all are equipped with ends spheroid (202), and the bottom that ends spheroid (202) is connected with the bottom rotation of tubular product body (1).
3. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 2, characterized in that: the center position of the inner part of the cut-off sphere (202) is provided with a circulation sphere groove (201), and two ends of the circulation sphere groove (201) extend to the outer part of the cut-off sphere (202).
4. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 2, characterized in that: sealing rings (205) are arranged at the contact positions of the stopping ball bodies (202) and the pipe body (1), and the adjacent sealing rings (205) are symmetrical about the center line of the stopping ball bodies (202).
5. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 2, characterized in that: a guide shaft (204) is fixed at the center of the top end of the cut-off sphere (202), and one end, far away from the cut-off sphere (202), of the guide shaft (204) extends to the outside of the pipe body (1) and is provided with a hand wheel (203).
6. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 1, wherein: the inside of pipe strap structure (3) is equipped with locking bolt (301), arc pipe strap (302), first splint (303), lock nut (304) and second splint (305) in proper order, all install arc pipe strap (302) on two lateral walls at tubular product body (1) both ends, and be fixed with first splint (303) and second splint (305) on the outer wall at arc pipe strap (302) both ends respectively.
7. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 6, wherein: the outer wall of one side of the second clamping plate (305) far away from the first clamping plate (303) is fixedly provided with a locking nut (304), the outer wall of one side of the first clamping plate (303) far away from the second clamping plate (305) is provided with a locking bolt (301), and one end of the locking bolt (301) sequentially penetrates through the first clamping plate (303) and the second clamping plate (305) and is in threaded connection with the locking nut (304).
8. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 1, wherein: the thickness of wear-resisting cast stone layer (4) equals with the thickness of anticorrosive emulsion layer (7), and wear-resisting cast stone layer (4) and anticorrosive emulsion layer (7) are symmetrical about the central line of high density polyethylene pipe fitting basement layer (6).
9. The high-temperature-resistant safety HDPE gas pipe as claimed in claim 1, wherein: the thickness of the flame-retardant rubber layer (5) is equal to that of the toughened pressure-resistant layer (8), and the flame-retardant rubber layer (5) and the toughened pressure-resistant layer (8) are symmetrical about the central line of the high-density polyethylene pipe fitting base layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660310.6A CN113566028A (en) | 2021-06-15 | 2021-06-15 | High-temperature-resistant safe HDPE (high-density polyethylene) gas pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110660310.6A CN113566028A (en) | 2021-06-15 | 2021-06-15 | High-temperature-resistant safe HDPE (high-density polyethylene) gas pipe |
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| CN113566028A true CN113566028A (en) | 2021-10-29 |
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| CN202110660310.6A Pending CN113566028A (en) | 2021-06-15 | 2021-06-15 | High-temperature-resistant safe HDPE (high-density polyethylene) gas pipe |
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| CN104390073A (en) * | 2014-11-20 | 2015-03-04 | 广西金盛科技发展有限公司 | Composite PE (Poly Ethylene) gas pipe |
| CN206918467U (en) * | 2017-07-19 | 2018-01-23 | 江阴市康乐塑胶有限公司 | A kind of heat temperature resistant safe PE Gas Pipes |
| CN109404621A (en) * | 2018-12-04 | 2019-03-01 | 姜宏鹏 | A kind of conveying gas pipeline |
| CN210770942U (en) * | 2019-08-20 | 2020-06-16 | 天津太合节能科技有限公司 | Corrosion-resistant and ageing-resistant PE water supply pipe |
| CN210951166U (en) * | 2019-12-26 | 2020-07-07 | 常州市瑞福汽车部件有限公司 | Surrounding type heat dissipation structure of automobile headlamp |
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| CN212029151U (en) * | 2020-05-01 | 2020-11-27 | 文成县瑞康气体有限公司 | Liquid nitrogen filling system |
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| CN213145631U (en) * | 2020-07-06 | 2021-05-07 | 胡振华 | Pipe with good corrosion resistance |
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Application publication date: 20211029 |
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