CN114857391A - Butt-joint kit for plastic composite pipes and connecting method - Google Patents
Butt-joint kit for plastic composite pipes and connecting method Download PDFInfo
- Publication number
- CN114857391A CN114857391A CN202210462036.6A CN202210462036A CN114857391A CN 114857391 A CN114857391 A CN 114857391A CN 202210462036 A CN202210462036 A CN 202210462036A CN 114857391 A CN114857391 A CN 114857391A
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- China
- Prior art keywords
- sleeve
- plastic composite
- flange
- electric melting
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 47
- 239000004033 plastic Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 49
- 230000008018 melting Effects 0.000 claims abstract description 49
- 210000001503 joint Anatomy 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 3
- 238000003032 molecular docking Methods 0.000 claims 3
- 239000012943 hotmelt Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- 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
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
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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
- F16L47/14—Flanged joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a butt joint external member for a plastic composite pipe and a connecting method, which are used for connecting ports of the plastic composite pipe, wherein the butt joint external member is composed of a flange sleeve made of metal and an electric melting pipe sleeve made of plastic and sleeved in the flange sleeve, and a heating part is arranged in the electric melting pipe sleeve; the minimum inner diameter of the electric melting pipe sleeve is larger than the outer diameter of the plastic composite pipe; the flange cover has columniform neck cover portion and constructs the flange piece of establishing in neck cover portion tip, and the equipartition has the screw on the flange piece, and another tip of neck cover portion constructs the annular top structure that is equipped with to the center shrink, and the internal diameter of this top structure is greater than the external diameter of plastic composite pipe and is less than the external diameter of electric smelting pipe box. The electric melting pipe sleeve is arranged in the flange sleeve to form a butt joint external member for connecting the ports of the plastic composite pipes, and the plastic composite pipes are bonded by hot melting through the hot melting performance of the electric melting pipe sleeve, so that the tensile property between the composite pipes can be fully improved, and the water leakage phenomenon of the pipe ports can be prevented.
Description
Technical Field
The invention relates to the technical field of pipeline construction, in particular to a pipeline butt joint external member and a connecting method.
Background
Pipeline construction typically involves joining multiple shorter pipelines into a single longer pipeline. Before connection, the ends of the two pipes need to be aligned by the pipe butting sleeve, and then the next connection operation is carried out. Typically, the pipes are placed on a clevis and adjusted by adding or removing shims to the bottom of the clevis until the ends of the two pipes are aligned.
In the construction site, when water is temporarily used, because the position of water used in the construction site is uncertain, the temporary butt joint of pipelines is often adopted for water delivery, but most of the pipelines commonly used in the construction site are hard pipes, the butt joint of the hard pipes and the hard pipes is involved, particularly the butt joint of the hard pipes with the same diameter is difficult, the tensile property is insufficient after the connection, and even the pipelines which can be butt jointed reluctantly can also have water leakage.
Disclosure of Invention
In view of the above problems, the present invention is directed to a pipe joint kit and a connection method that effectively improve tensile properties.
In order to realize the technical purpose, the scheme of the invention is as follows: a butt joint external member for plastic composite pipes is used for connecting ports of the plastic composite pipes, and consists of a flange sleeve made of metal and an electric melting pipe sleeve made of plastic and sleeved in the flange sleeve, wherein a heating element is arranged in the electric melting pipe sleeve; the minimum inner diameter of the electric melting pipe sleeve is larger than the outer diameter of the plastic composite pipe; the flange cover has columniform neck cover portion and constructs the flange piece of establishing a tip at neck cover portion, the equipartition has the screw on the flange piece, another tip of neck cover portion constructs the annular top structure that is equipped with to the central shrink, and the internal diameter of this top structure is greater than the external diameter of plastic composite pipe and is less than the external diameter of electric smelting pipe box.
Preferably, the bottom of the electrofusion pipe sleeve facing the top stop structure is provided with a heating element electric connection terminal, the top stop structure is provided with a mounting groove at a position corresponding to the electric connection terminal, and the electric connection terminal is exposed out of the mounting groove.
Preferably, an annular notch is formed in the flange piece, a limiting structure extending radially outwards is arranged at the top of the electric melting pipe sleeve, the bottom of the electric melting pipe sleeve is inserted into the flange sleeve from the annular notch, and the limiting structure of the electric melting pipe sleeve is limited on the flange piece.
The invention also provides a connecting method of the plastic composite pipe, which adopts any one of the butting sleeve parts, firstly, the electric melting pipe sleeve is sleeved into the neck sleeve part from the flange part, then, the butting port of the plastic composite pipe to be connected is inserted into the butting port from the top stop structure end of the neck sleeve part to be flush with the flange part, then, the butting sleeve part is fixedly connected to the adjacent butting sleeve part to be butted through the screw hole of the flange part by using a bolt, and finally, the electric melting pipe sleeve is electrified and heated until the electric melting pipe sleeve is thermally fused and adhered with the plastic composite pipe.
The invention has the beneficial effects that: the electric melting pipe sleeves are arranged in the flange sleeves to form a butt-joint external member for connecting the ports of the plastic composite pipes, and the plastic composite pipes are bonded by hot melting through the hot melting performance of the electric melting pipe sleeves, so that the tensile performance between the composite pipes can be fully improved, and the water leakage phenomenon of the ports of the pipes can be prevented; the utility model provides a simple structure, easy operation when guaranteeing pipeline butt joint efficiency, has promoted the performance after the pipeline butt joint greatly, does benefit to industrial production.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a schematic structural view of an electrofusion sleeve according to the present invention;
fig. 4 is a cross-sectional view of an electrofusion sleeve according to the present invention;
FIG. 5 is a cross-sectional view of a flange sleeve of the present invention;
FIG. 6 is a schematic view of the back side of the flange sleeve of the present invention;
FIG. 7 is a cross-sectional view of a flange sleeve of the present invention;
FIG. 8 is a schematic front view of a flange sleeve according to the present invention;
fig. 9 is a sectional view showing the combination of the flange bushing and the electrofusion sleeve according to the present invention;
fig. 10 is a schematic structural view of the combination of the flange sleeve and the electrofusion sleeve according to the present invention.
In the figure: 1, plastic composite pipes; 2, a flange sleeve; 201 a flange sheet; 202 a neck collar portion; 203 screw holes; 204 mounting grooves; 205 a top stop structure; 206 annular notch; 3, sleeving a pipe by electric smelting; 301 a limit structure; 4 a heat generating member; 5 electrical connection terminals.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments. In order to clearly and completely describe the technical scheme, the following embodiments are selected for illustration; the following examples are part of the present invention; other embodiments, which can be obtained without inventive step based on the present application, are within the scope of the present invention.
In the following embodiments, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top/bottom", and the like are all based on the orientations and positional relationships shown in the drawings, and are only for the convenience of clearly describing the embodiments, but do not indicate or imply that the referred devices or elements have to have specific orientations, and therefore, the present application is not limited thereto. Meanwhile, the terms "first" and "second" in the embodiments are used only for distinguishing the descriptive purposes and are not intended to indicate or imply relative importance.
As shown in fig. 1 to 10, the embodiment of the present invention is a butt joint kit for a plastic composite pipe 1, which is used for connecting ports of the plastic composite pipe 1, and the butt joint kit is composed of a flange sleeve 2 made of a metal material and an electrofusion sleeve 3 made of a plastic material and sleeved in the flange sleeve 2, preferably, the flange sleeve 2 is made of steel, the electrofusion sleeve 3 is made of polyethylene, and a heating element 4 is arranged in the electrofusion sleeve 3; the minimum inner diameter of the electric melting pipe sleeve 3 is larger than the outer diameter of the plastic composite pipe 1, so that the plastic composite pipe 1 can be inserted into the electric melting pipe sleeve 3.
The flange sleeve 2 is provided with a cylindrical neck sleeve part 202 and a flange sheet 201 which is arranged at one end part of the neck sleeve part 202, screw holes 203 are uniformly distributed on the flange sheet 201, the other end part of the neck sleeve part 202 is provided with an annular jacking structure 205 which shrinks towards the center, the inner diameter of the jacking structure 205 is larger than the outer diameter of the plastic composite pipe 1 and smaller than the outer diameter of the electric melting pipe sleeve 3, so that the plastic composite pipe 1 can be inserted into the flange sleeve 2 from the direction of the jacking structure 205, and the electric melting pipe sleeve 3 is limited in the neck sleeve part 202 of the flange sleeve 2.
In order to facilitate heating of the electric melting pipe sleeve 3, the inner diameter of a melting region of the electric melting pipe sleeve 3 meets the requirement of the size standard of an electric melting socket of GB/13663.3-2018 corresponding specification, a heating element 4 electric connecting terminal 5 is arranged at the bottom of the electric melting pipe sleeve 3 facing to a top stop structure 205, the electric connecting terminal 5 is positioned at the tail end of the electric melting pipe sleeve 3, the electric connecting terminal 5 adopts a typical B terminal form in appendix D of composite GB/13663.3-2018, a mounting groove 204 is formed in the position, corresponding to the electric connecting terminal 5, of the top stop structure 205, the electric connecting terminal 5 is exposed out of the mounting groove 204, and the mounting groove 204 is a slotting design on a neck sleeve part 202 of the flange sleeve 2, so that the electric connecting terminal 5 can be vertically exposed out, and the electric connection is facilitated.
In order to facilitate the positioning of the electrofusion pipe sleeve 3 when inserted into the flange sleeve 2, the flange sheet 201 is provided with an annular notch 206, the top of the electrofusion pipe sleeve 3 is provided with a limiting structure 301 which extends outwards and radially, the bottom of the electrofusion pipe sleeve 3 is inserted into the flange sleeve 2 from the annular notch 206, and the limiting structure 301 of the electrofusion pipe sleeve 3 is limited on the flange sheet 201, so that the positioning between the electrofusion pipe sleeve 3 and the flange sleeve 2 is facilitated, and the limiting structure 301 can seal the port of the plastic composite pipe 1 after being hot-melted, so that the bonding is tighter and the water is sufficiently prevented.
The invention also provides a connecting method of the plastic composite pipe, which adopts any one of the butting sleeve parts, firstly, the electric melting pipe sleeve 3 is sleeved into the neck sleeve part 202 from the annular notch 206 of the flange plate part 201, then, the butting port of the plastic composite pipe 1 to be connected is inserted into the butting port from the end of the top stop structure 205 of the neck sleeve part 202 to be flush with the flange plate 201, then, the butting sleeve part is fixedly connected with the adjacent butting sleeve part to be butted through the screw hole 203 of the flange plate 201 by using bolts, and finally, the electric melting pipe sleeve 3 is electrified and heated until the electric melting pipe sleeve 3 is hot-melted and adhered with the plastic composite pipe 1. Because the neck sleeve part 202 of the flange sleeve 2 is provided with the annular top stop structure 205 which shrinks towards the center, after the electric melting pipe sleeve 3 is subjected to hot melting, an adhesive can be formed to fill a gap between the neck sleeve part 202 and the plastic composite pipe 1, so that the outer wall of the plastic composite pipe 1 is locked in the top stop structure 205 of the flange sleeve 2, and the tensile property of the plastic composite pipe 1 is enhanced.
The electric melting pipe sleeve 3 is arranged in the flange sleeve 2 to form a butt-joint external member for connecting the ports of the plastic composite pipes 1, and the plastic composite pipes 1 are bonded by hot melting through the hot melting performance of the electric melting pipe sleeve 3, so that the tensile property among the plastic composite pipes 1 can be fully improved, and the water leakage phenomenon of the pipeline ports can be prevented; the utility model provides a simple structure, easy operation when guaranteeing pipeline butt joint efficiency, has promoted the performance after the pipeline butt joint greatly, does benefit to industrial production.
The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiments according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.
Claims (4)
1. A docking kit for plastic composite pipes for connection of ports of plastic composite pipes (1), characterized in that: the butt joint external member is composed of a flange sleeve (2) made of metal and an electric melting pipe sleeve (3) made of plastic and sleeved in the flange sleeve (2), and a heating element (4) is arranged in the electric melting pipe sleeve (3); the minimum inner diameter of the electric melting pipe sleeve (3) is larger than the outer diameter of the plastic composite pipe (1); flange cover (2) have columniform neck cover portion (202) and construct flange piece (201) of establishing at neck cover portion (202) one end, the equipartition has screw (203) on flange piece (201), another tip of neck cover portion (202) constructs annular top structure (205) that are equipped with to the center shrink, and the internal diameter of this top structure (205) is greater than the external diameter of plastic composite pipe (1) and is less than the external diameter of electric smelting pipe box (3).
2. A docking kit for a plastic composite pipe according to claim 1, wherein: the bottom of the electric melting pipe sleeve (3) facing the top stop structure (205) is provided with a heating piece (4) and an electric connecting terminal (5), the top stop structure (205) is provided with a mounting groove (204) at a position corresponding to the electric connecting terminal (5), and the electric connecting terminal (5) is exposed out of the mounting groove (204).
3. A docking kit for a plastic composite pipe according to claim 2, wherein: an annular notch (206) is formed in the flange piece (201), a limiting structure (301) extending outwards in the radial direction is arranged at the top of the electric melting pipe sleeve (3), the bottom of the electric melting pipe sleeve (3) is inserted into the flange sleeve (2) from the annular notch (206), and the limiting structure (301) of the electric melting pipe sleeve (3) is limited on the flange piece (201).
4. A connecting method of plastic composite pipes is characterized in that: the butt joint external member of any one of claims 1 to 3 is adopted, the electric melting pipe sleeve (3) is sleeved into the neck sleeve portion (202) from the flange piece (201), then the butt joint port of the plastic composite pipe (1) to be connected is inserted into the butt joint port from the top stop structure (205) end of the neck sleeve portion (202) to be flush with the flange piece (201), then the butt joint external member is fixedly connected to the adjacent butt joint external member to be butted through the screw hole (203) of the flange piece (201) by using a bolt, and finally the electric melting pipe sleeve (3) is electrified and heated until the electric melting pipe sleeve (3) is subjected to hot melt adhesion on the plastic composite pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210462036.6A CN114857391A (en) | 2022-04-28 | 2022-04-28 | Butt-joint kit for plastic composite pipes and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210462036.6A CN114857391A (en) | 2022-04-28 | 2022-04-28 | Butt-joint kit for plastic composite pipes and connecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114857391A true CN114857391A (en) | 2022-08-05 |
Family
ID=82633213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210462036.6A Pending CN114857391A (en) | 2022-04-28 | 2022-04-28 | Butt-joint kit for plastic composite pipes and connecting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114857391A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07145886A (en) * | 1993-11-24 | 1995-06-06 | Nakano Setsubi Kogyo Kk | Connection method for copper pipe |
| JP2008121732A (en) * | 2006-11-09 | 2008-05-29 | Hitachi Metals Ltd | Branch joint, snow melting sprinkler pipe unit using the same, and snow melting panel unit |
| CN201787257U (en) * | 2010-07-23 | 2011-04-06 | 煌盛集团有限公司 | Electric melting and hot melting double-protection connecting structure of polyolefin plastic pipes |
| CN201875341U (en) * | 2010-12-11 | 2011-06-22 | 江苏金波新材料科技有限公司 | Special joint for enhancing compound pipeline |
| CN209743836U (en) * | 2019-04-16 | 2019-12-06 | 四川鑫中泰新材料有限公司 | Novel composite pipeline combined connecting piece |
| CN209943789U (en) * | 2019-04-23 | 2020-01-14 | 涿州市众友管业有限公司 | Hot melt electric smelting adapter and PSP steel-plastic composite pressure pipe connecting device |
| CN113513648A (en) * | 2021-07-01 | 2021-10-19 | 山东东宏管业股份有限公司 | Large-caliber steel wire mesh framework plastic composite pipe connecting structure and implementation method thereof |
| CN215173165U (en) * | 2021-05-18 | 2021-12-14 | 康泰塑胶科技集团有限公司 | Composite pipe connecting structure with plastic end |
| CN217519457U (en) * | 2022-04-28 | 2022-09-30 | 江苏赛尔超高压特种管业有限公司 | A butt joint external member for compound pipe of plastics |
-
2022
- 2022-04-28 CN CN202210462036.6A patent/CN114857391A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07145886A (en) * | 1993-11-24 | 1995-06-06 | Nakano Setsubi Kogyo Kk | Connection method for copper pipe |
| JP2008121732A (en) * | 2006-11-09 | 2008-05-29 | Hitachi Metals Ltd | Branch joint, snow melting sprinkler pipe unit using the same, and snow melting panel unit |
| CN201787257U (en) * | 2010-07-23 | 2011-04-06 | 煌盛集团有限公司 | Electric melting and hot melting double-protection connecting structure of polyolefin plastic pipes |
| CN201875341U (en) * | 2010-12-11 | 2011-06-22 | 江苏金波新材料科技有限公司 | Special joint for enhancing compound pipeline |
| CN209743836U (en) * | 2019-04-16 | 2019-12-06 | 四川鑫中泰新材料有限公司 | Novel composite pipeline combined connecting piece |
| CN209943789U (en) * | 2019-04-23 | 2020-01-14 | 涿州市众友管业有限公司 | Hot melt electric smelting adapter and PSP steel-plastic composite pressure pipe connecting device |
| CN215173165U (en) * | 2021-05-18 | 2021-12-14 | 康泰塑胶科技集团有限公司 | Composite pipe connecting structure with plastic end |
| CN113513648A (en) * | 2021-07-01 | 2021-10-19 | 山东东宏管业股份有限公司 | Large-caliber steel wire mesh framework plastic composite pipe connecting structure and implementation method thereof |
| CN217519457U (en) * | 2022-04-28 | 2022-09-30 | 江苏赛尔超高压特种管业有限公司 | A butt joint external member for compound pipe of plastics |
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