CN219177112U

CN219177112U - Rolling lining PE pipe fitting

Info

Publication number: CN219177112U
Application number: CN202223586182.4U
Authority: CN
Inventors: 季啸; 季帮军
Original assignee: Taizhou Seasonal Flon Plastic Products Co ltd
Current assignee: Taizhou Seasonal Flon Plastic Products Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-13
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of PE pipe fittings and discloses a rolling lining PE pipe fitting which comprises a pipe fitting, wherein the middle end of the pipe fitting is fixedly connected with a corrugated pipe body, the inner side of the pipe fitting is provided with a connecting pipe, one end of the connecting pipe is fixedly connected with a connector, the corrugated pipe body comprises a polyester film layer, a corrugated hose base layer and a polytetrafluoroethylene film layer, and the connecting pipe comprises a polyvinylidene fluoride film layer, a polyvinyl chloride film layer and a polyethylene film layer. This roll lining PE pipe fitting, through the setting on polyester film layer, mechanical properties is good, rigidity, hardness and toughness are high, and resistant puncture, antifriction, high temperature and low temperature resistant, chemical resistance, oil resistance, gas tightness are good, through the setting on TPU film layer, have solved prior art when adjusting the pipe fitting bending, lead to the inside phenomenon that breaks and wearing and tearing are serious very easily to lead to the problem that long-time work takes place the damage and leaks.

Description

Rolling lining PE pipe fitting

Technical Field

The utility model relates to the technical field of PE pipe fittings, in particular to a rolling lining PE pipe fitting.

Background

The water supply pipe must bear a certain pressure, and usually PE resin with large molecular weight and good mechanical property, such as HDPE resin, is selected. LDPE resins have low tensile strength, poor pressure resistance, poor rigidity, poor dimensional stability during molding processing, and difficult connection, and are unsuitable as materials for water supply pressure pipes. However, LDPE and LLDPE resins in particular have become common materials for the production of drinking water pipes due to their relatively high hygiene standards.

The technical scheme is that the PE pipe fitting is needed in the working field of water supply pipes, the PE pipe fitting is disclosed in China (issued publication number: CN 214222368U), the inner wall of a welding end is provided with a spherical surface matched with the spherical end in the patent technology, the spherical end of a first pipe body extends into the welding end of a second pipe body, the spherical end is movably connected with the welding end, a first heating wire is arranged on the inner wall of the welding end, two first electric melting connecting ends are arranged outside the first pipe body, a first binding post is arranged in each first electric melting connecting end, and two ends of the first heating wire are connected with one first binding post. An arc-shaped pipe is arranged on the outer wall of the first pipe body, and an arc-shaped column is arranged on the outer wall of the second pipe body. The utility model provides an angle-adjustable PE (polyethylene) pipe fitting for solving the problem that the existing standard angle elbow pipe fitting is limited, but the phenomenon of internal fracture and serious abrasion are easily caused when the bending degree of the pipe fitting is adjusted in the prior art, so that the problem of breakage and leakage occurs when the pipe fitting works for a long time is solved. Accordingly, one skilled in the art would provide a roll-lined PE tube fitting that addresses the problems set forth in the background above.

Disclosure of Invention

The utility model aims to provide a roller lining PE pipe fitting for solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the rolling lining PE pipe fitting comprises a pipe fitting, wherein the middle end of the pipe fitting is fixedly connected with a corrugated pipe body, the inner side of the pipe fitting is provided with a connecting pipe, one end of the connecting pipe is fixedly connected with a connector, the corrugated pipe body comprises a polyester film layer, a corrugated hose base layer and a polytetrafluoroethylene film layer, and the connecting pipe comprises a polyvinylidene fluoride film layer, a polyvinyl chloride film layer and a polyethylene film layer;

the connector comprises a TPU film layer, a polyester tire layer and a polycarbonate film layer, wherein the surface of the TPU film layer is fixedly connected to the surface of the polyester tire layer, and the surface of the polyester tire layer is fixedly connected to the surface of the polycarbonate film layer.

As still further aspects of the utility model: the thickness of the TPU film layer is smaller than that of the polyester tire layer, and the thickness of the polyester tire layer is larger than that of the polycarbonate film layer.

As still further aspects of the utility model: the surface of the polyester film layer is fixedly connected to the surface of the corrugated hose base layer, and the surface of the corrugated hose base layer is fixedly connected to the surface of the polytetrafluoroethylene film layer.

As still further aspects of the utility model: the thickness of the polyester film layer is smaller than that of the corrugated hose base layer, and the thickness of the corrugated hose base layer is larger than that of the polytetrafluoroethylene film layer.

As still further aspects of the utility model: the surface of the polyvinyl chloride film layer is fixedly connected to the surface of the polyvinyl chloride film layer, and the surface of the polyvinyl chloride film layer is fixedly connected to the surface of the polyvinylidene fluoride film layer.

As still further aspects of the utility model: the thickness of the polyvinylidene fluoride film layer is smaller than that of the polyvinyl chloride film layer, and the thickness of the polyvinyl chloride film layer is larger than that of the polyethylene film layer.

As still further aspects of the utility model: the upper end and the lower end of the connector are both in threaded connection with fastening bolts, the number of the fastening bolts is four, and the fastening bolts are uniformly distributed at four corners of the connector.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has the advantages of excellent mechanical property, high rigidity, high hardness and toughness, puncture resistance, friction resistance, high temperature resistance, low temperature resistance, excellent chemical resistance, oil resistance, air tightness and the like through the arrangement of the TPU film layer, has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like, simultaneously has a plurality of excellent functions of high waterproof moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warmth retention, ultraviolet resistance, energy release and the like, has the advantages of high strength, high extension and tensile strength, high temperature resistance, freezing resistance, aging resistance, corrosion resistance, water resistance and the like through the arrangement of the polyester tire layer, has excellent toughness, high strength, is difficult to tear and damage through the arrangement of the polycarbonate film layer, and solves the problems of easy internal rupture and serious abrasion phenomenon and long-time working breakage and leakage caused when the bending of a pipe fitting in the prior art is regulated.

2. The utility model has the characteristics of acid resistance, alkali resistance, resistance to various organic solvents, wear resistance, corrosion resistance, heat resistance and low temperature resistance through the arrangement of the polytetrafluoroethylene film layer, and has the characteristics of high mechanical strength and toughness, mildew resistance, high wear resistance, ultraviolet resistance, nuclear radiation resistance, impact resistance and weather resistance through the arrangement of the polyvinyl chloride film layer, heat insulation, heat preservation, moisture resistance, flame retardance, acid and alkali resistance, corrosion resistance and the like.

Drawings

FIG. 1 is a front view of a construction of a roll-lined PE tube fitting;

FIG. 2 is a cross-sectional view of a configuration of a roll-lined PE tube fitting;

FIG. 3 is a cross-sectional view of a structural connection tube in a roll-lined PE tube fitting;

fig. 4 is a cross-sectional view of a structural joint in a roll-lined PE pipe fitting.

In the figure: 1. a pipe fitting; 2. a bellows; 3. a connecting pipe; 4. a connector; 41. a TPU film layer; 42. a polyester tire layer; 43. a polycarbonate film layer; 5. a polyester film layer; 6. a corrugated hose base layer; 7. a polytetrafluoroethylene film layer; 8. a polyvinylidene fluoride film layer; 9. a polyvinyl chloride film layer; 10. a polyethylene film layer.

Detailed Description

Referring to fig. 1-4, a rolling lining PE pipe fitting includes a pipe fitting 1, a bellows body 2 is fixedly connected to a middle end of the pipe fitting 1, a connecting pipe 3 is disposed on an inner side of the pipe fitting 1, one end of the connecting pipe 3 is fixedly connected to a connector 4, the bellows body 2 includes a polyester film layer 5, a bellows base layer 6 and a polytetrafluoroethylene film layer 7, and the connecting pipe 3 includes a polyvinylidene fluoride film layer 8, a polyvinyl chloride film layer 9 and a polyethylene film layer 10;

the connector 4 comprises a TPU film layer 41, a polyester tire layer 42 and a polycarbonate film layer 43, wherein the surface of the TPU film layer 41 is fixedly connected with the surface of the polyester tire layer 42, and the surface of the polyester tire layer 42 is fixedly connected with the surface of the polycarbonate film layer 43.

Specifically, the thickness of TPU film layer 41 is less than the thickness of polyester tire layer 42, and the thickness of polyester tire layer 42 is greater than the thickness of polycarbonate film layer 43.

Through the above technical scheme, through the setting of TPU thin film layer 41, have intensity height, toughness is good, wear-resisting, cold-resistant, resistant oil, water-fast, ageing-resistant, characteristics such as weather-resistant, it has many excellent functions such as high waterproof moisture permeability, wind-proof, winter-proofing, antibiotic, mould proof, cold-proof, ultraviolet resistance and energy release simultaneously, through the setting of polyester child layer 42, have high intensity, high extension and tensile strength height, high temperature resistant, freezing-resistant, ageing-resistant, corrosion-resistant, advantages such as waterproof, through the setting of polycarbonate thin film layer 43, ultraviolet light resistant, toughness is faddish extremely well, intensity is high, difficult tearing is broken.

Specifically, the surface of the polyester film layer 5 is fixedly connected to the surface of the corrugated hose base layer 6, and the surface of the corrugated hose base layer 6 is fixedly connected to the surface of the polytetrafluoroethylene film layer 7.

By the technical scheme, the polyester film layer 5 is excellent in mechanical property, rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature resistance and low temperature resistance, and excellent in chemical resistance, oil resistance and air tightness.

Specifically, the thickness of the polyester film layer 5 is smaller than the thickness of the bellows base layer 6, and the thickness of the bellows base layer 6 is larger than the thickness of the polytetrafluoroethylene film layer 7.

By the technical scheme, the polytetrafluoroethylene film layer 7 is provided, has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and also has the characteristics of wear resistance, corrosion resistance, heat resistance and low temperature resistance.

Specifically, the surface of the polyethylene film layer 10 is fixedly connected to the surface of the polyvinyl chloride film layer 9, and the surface of the polyvinyl chloride film layer 9 is fixedly connected to the surface of the polyvinylidene fluoride film layer 8.

Through the technical scheme, the polyvinylidene fluoride film layer 8 is high in mechanical strength and toughness, mildew-proof, wear-resistant, ultraviolet-resistant, nuclear radiation-resistant, impact-resistant and weather-resistant.

Specifically, the thickness of the polyvinylidene fluoride film layer 8 is smaller than that of the polyvinyl chloride film layer 9, and the thickness of the polyvinyl chloride film layer 9 is larger than that of the polyethylene film layer 10.

Through above-mentioned technical scheme, through the setting of polyvinyl chloride film layer 9, possess thermal-insulated, heat preservation, dampproofing, fire-retardant, acid and alkali-resistant, characteristics such as corrosion resistance.

Specifically, the upper and lower ends of the connector 4 are all screwed with fastening bolts, and the number of the fastening bolts is four and the fastening bolts are uniformly distributed at four corners of the connector 4.

Through above-mentioned technical scheme, through fastening bolt's setting, conveniently carry out fixed connection with connector 4, avoid taking place to pull cracked problem and appear.

The working principle of the utility model is as follows: through fastening bolt's setting, the convenience is carried out fixed connection with connector 4, avoid taking place to drag cracked problem and appear, through polyvinyl chloride film layer 9's setting, possess thermal-insulated, heat preservation, dampproofing, fire-retardant, acid and alkali resistance, characteristics such as corrosion resistance, through polyvinylidene fluoride film layer 8's setting, mechanical strength and toughness are high, mould fungus resistance, high wearability, ultraviolet resistance and nuclear radiation nature, shock resistance and weatherability, through polytetrafluoroethylene film layer 7's setting, have acid and alkali resistance, the characteristics of various organic solvents of resistance, wear resistance in addition, corrosion resistance, heat resistance and low temperature resistance characteristic, when adjusting the pipe fitting deflection has been solved prior art, very easily lead to inside fracture and serious phenomenon of wearing and tearing, thereby lead to long-time work emergence damage leakage's problem.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A roll-lined PE pipe fitting comprising a pipe fitting (1), characterized in that: the middle end of the pipe fitting (1) is fixedly connected with a corrugated pipe body (2), a connecting pipe (3) is arranged on the inner side of the pipe fitting (1), one end of the connecting pipe (3) is fixedly connected with a connector (4), the corrugated pipe body (2) comprises a polyester film layer (5), a corrugated hose base layer (6) and a polytetrafluoroethylene film layer (7), and the connecting pipe (3) comprises a polyvinylidene fluoride film layer (8), a polyvinyl chloride film layer (9) and a polyethylene film layer (10);

the connector (4) comprises a TPU film layer (41), a polyester tire layer (42) and a polycarbonate film layer (43), wherein the surface of the TPU film layer (41) is fixedly connected to the surface of the polyester tire layer (42), and the surface of the polyester tire layer (42) is fixedly connected to the surface of the polycarbonate film layer (43).

2. A roll-lined PE pipe fitting according to claim 1, characterized in that: the thickness of the TPU film layer (41) is smaller than the thickness of the polyester tire layer (42), and the thickness of the polyester tire layer (42) is larger than the thickness of the polycarbonate film layer (43).

3. A roll-lined PE pipe fitting according to claim 1, characterized in that: the surface of the polyester film layer (5) is fixedly connected to the surface of the corrugated hose base layer (6), and the surface of the corrugated hose base layer (6) is fixedly connected to the surface of the polytetrafluoroethylene film layer (7).

4. A roll-lined PE pipe fitting according to claim 1, characterized in that: the thickness of the polyester film layer (5) is smaller than that of the corrugated hose base layer (6), and the thickness of the corrugated hose base layer (6) is larger than that of the polytetrafluoroethylene film layer (7).

5. A roll-lined PE pipe fitting according to claim 1, characterized in that: the surface of the polyethylene film layer (10) is fixedly connected to the surface of the polyvinyl chloride film layer (9), and the surface of the polyvinyl chloride film layer (9) is fixedly connected to the surface of the polyvinylidene fluoride film layer (8).

6. A roll-lined PE pipe fitting according to claim 1, characterized in that: the thickness of the polyvinylidene fluoride film layer (8) is smaller than that of the polyvinyl chloride film layer (9), and the thickness of the polyvinyl chloride film layer (9) is larger than that of the polyethylene film layer (10).

7. A roll-lined PE pipe fitting according to claim 1, characterized in that: the upper end and the lower end of the connector (4) are connected with fastening bolts in a threaded manner, the number of the fastening bolts is four, and the fastening bolts are uniformly distributed at four corners of the connector (4).