CN210372374U

CN210372374U - Biaxial stretching reinforced high-density polyethylene pipe

Info

Publication number: CN210372374U
Application number: CN201920276936.5U
Authority: CN
Inventors: 江泽佩
Original assignee: Tianjin Senpu Pipe Co ltd
Current assignee: Tianjin Senpu Pipe Co ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-04-21
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a biaxial stretching reinforcing high density polyethylene tubular product, including the PE outer tube, PE outer tube inboard is equipped with high temperature resistant layer, high temperature resistant in situ side is equipped with the PE inner tube, be equipped with the polyurethane layer in PE outer tube and the PE inner tube, the polyurethane in situ is equipped with carbon fiber net cloth layer, high temperature resistant in situ inside is equipped with the corrosion-resistant steel wire layer and the hydrophobic oil reservoir of inter combination, the one end inner wall of PE inner tube forms female joint, the other end outside of PE inner tube forms the male joint, the male joint passes through the female joint of helicitic texture connection, be equipped with sealing mechanism between the terminal surface in male joint outer terminal surface and the female. The high temperature resistant layer improves the high temperature resistance of water pipe, and the polyurethane layer has improved ageing resistance and wearability, and carbon fiber net check cloth layer has improved rigidity and tensile strength and has made, improves life, and the corrosion-resistant steel wire layer and the hydrophobic oil reservoir of mutually combined increase shock resistance, have improved corrosion resistance, and sealing mechanism makes water piping connection inseparabler, is difficult for leaking.

Description

Biaxial stretching reinforced high-density polyethylene pipe

Technical Field

The utility model relates to a PE tubular product technical field specifically is biaxial stretching reinforcing high density polyethylene tubular product.

Background

The application of water pipe is more and more, because the corrosion resistance of plastic tubing is good, and has better deformation plasticity, its intensity is also improving with the improvement of new technology along with the appearance of novel material by a wide margin, the usage of plastic tubing is also more and more extensive, wherein the PE water pipe is used more, because the characteristic of PE material itself, high temperature resistant is relatively poor, intensity is low, the usage of PE water pipe in the aspect of carrying hot water has been restricted, and present PE pipe is through the connection of helicitic texture more, after using a period, the screw thread clearance is not hard up and is leaded to the leakproofness to worsen, leak easily, for this reason we propose biaxial tension reinforcing high density polyethylene tubular product and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biaxial stretching reinforcing high density polyethylene pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: biaxial stretching reinforcing high density polyethylene tubular product, including PE outer tube and PE inner tube, PE outer tube inboard is equipped with high temperature resistant layer, high temperature resistant layer inboard is equipped with the PE inner tube, integrated into one piece has the polyurethane layer in PE outer tube and the PE inner tube, the polyurethane in situ is equipped with carbon fiber net check cloth layer, the inside integrated into one piece of high temperature resistant layer has the corrosion-resistant steel wire layer and the hydrophobic oil reservoir of mutually combined, and hydrophobic oil reservoir is close to the PE inner tube, corrosion-resistant steel wire layer is close to the PE outer tube, the one end inner wall fluting of PE inner tube forms female joint, the other end outside fluting of PE inner tube forms male joint, female joint is connected through helicitic texture to male joint, be equipped with sealing mechanism between the outer terminal surface of male joint and the terminal surface.

Preferably, the carbon fiber net cloth layer is integrally embedded in the polyurethane layer, and the polyurethane layers on two sides of the carbon fiber net cloth layer are fixedly connected through meshes of the carbon fiber net cloth layer.

Preferably, sealing mechanism is including sealed gasbag, the fixed joint in female joint's one side inner end face of sealed gasbag, open the outer terminal surface of male joint has the draw-in groove of the sealed gasbag opposite side of laminating, it has the spout to open in the PE outer tube in the female joint outside, the fixed cover of terminal surface connects tracheal one end in the spout, tracheal other end runs through high temperature resistant layer and fixed cup joint sealed gasbag, slide clamping piston in the spout, tracheal one end fixed connection piston rod is kept away from to the piston, the other end of piston rod runs through the spout and the PE outer tube terminal surface in the in close contact with male joint outside.

Preferably, the sealing air bag is of a hollow circular ring structure, the clamping groove is of an arc structure which is attached to the outer wall of the sealing air bag, and the central angle corresponding to the clamping groove is 175 degrees.

Preferably, one end of the piston rod, which is far away from the piston, is of a hemispherical structure, and an annular guide groove attached to the end face of the piston rod is formed in the end face of the PE outer pipe on the outer side of the male connector.

Compared with the prior art, the beneficial effects of the utility model are that: the high-temperature resistant layer is arranged between the PE outer pipe and the PE inner pipe to improve the high-temperature resistance of the water pipe, the polyurethane layer improves the ageing resistance and the wear resistance of the PE outer pipe and the PE inner pipe, the carbon fiber gridding cloth layer improves the rigidity and the tensile strength of the PE outer pipe and the PE inner pipe to enhance the internal and external strength of the water pipe and prolong the service life of the water pipe, and the corrosion-resistant steel wire layer and the hydrophobic oil layer which are mutually combined are arranged in the high-temperature resistant layer to improve the shock resistance of the water pipe and; the male joint and the female joint are connected with a water pipe through a threaded structure, the male joint is gradually screwed into the female joint, the end face of the PE outer pipe outside the male joint extrudes the piston rod, the piston rod pushes the piston to inflate in the sealed air bag through the air pipe, the sealed air bag inflates and is clamped into the clamping groove, the connecting surface of the male joint and the female joint is sealed, water leakage is avoided, meanwhile, the sealed air bag and the piston rod reversely push the male joint, the threaded structures between the male joint and the female joint are mutually compressed, thread gaps are offset, and the connection is more fastened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the present invention;

in the figure: the device comprises a 1PE outer pipe, a 2 high temperature resistant layer, a 3PE inner pipe, a 4 male connector, a 5 female connector, a 6 sealing mechanism, a 61 clamping groove, a 62 sealing air bag, a 63 air pipe, a 64 sliding groove, a 65 piston rod, a 66 piston, a 7 guide groove, an 8 polyurethane layer, a 9 carbon fiber gridding cloth layer, a 10 corrosion-resistant steel wire layer and a 11 hydrophobic oil layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: biaxial stretching strengthens high density polyethylene tubular product, including PE outer tube 1 and PE

inner tube

3, 1 inboard of PE outer tube is equipped with high temperature

resistant layer

2, 2 inboard of high temperature resistant layer are equipped with PE inner tube 3, integrated into one piece has polyurethane layer 8 in PE outer tube 1 and the PE inner tube 3, be equipped with carbon fiber net check cloth layer 9 in the polyurethane layer 8, the inside integrated into one piece of high temperature resistant layer 2 has the corrosion-resistant steel wire layer 10 and the hydrophobic oil reservoir 11 of inter combination, and hydrophobic oil reservoir 11 is close to PE inner tube 3, corrosion-resistant steel wire layer 10 is close to PE outer tube 1, the one end inner wall fluting of PE inner tube 3 forms female joint 5, the other end outside fluting of PE inner tube 3 forms male joint 4, male joint 4 passes through helicitic texture connection female joint 5, be equipped with sealing mechanism 6 between the terminal surface in male joint. Through set up the high temperature resistance performance that 2 improvement water pipes on high temperature resistant layer between PE outer tube 1 and PE inner tube 3, and the ageing resistance and the wearability of PE outer tube 1 that polyurethane layer 8 improved and PE inner tube 3, carbon fiber net check cloth layer 9 has improved the rigidity and the tensile strength of PE outer tube 1 and PE inner tube 3 and has made the inside and outside intensity reinforcing of water pipe, and service life is prolonged, set up the corrosion-resistant steel wire layer 10 and the hydrophobic oil reservoir 11 of inter combination in the high temperature resistant layer 2, increase its shock resistance, corrosion resistance has been improved, sealing mechanism 6 makes water piping connection inseparabler, and is difficult for leaking.

Carbon fiber net check cloth layer 9 is integrative to be inlayed in polyurethane layer 8, and the polyurethane layer 8 of the 9 both sides of carbon fiber net check cloth layer passes through the mesh fixed connection of carbon fiber net check cloth layer 9 for carbon fiber net check cloth layer 9 is connected inseparabler with polyurethane layer 8, and the atress is more even, further improves the rigidity and the tensile strength of product.

The sealing mechanism 6 comprises a sealing air bag 62, one side of the sealing air bag 62 is fixedly clamped on the inner end surface of the female joint 5, the outer end surface of the male joint 4 is provided with a clamping groove 61 attached to the other side of the sealing air bag 62, a sliding groove 64 is formed in the PE outer tube 1 on the outer side of the female joint 5, one end of an air tube 63 is fixedly sleeved on the inner end surface of the sliding groove 64, the other end of the air tube 63 penetrates through the high temperature resistant layer 2 and is fixedly sleeved on the sealing air bag 62, a piston 66 is slidably clamped in the sliding groove 64, one end, far away from the air tube 63, of the piston 66 is fixedly connected with one end of a piston rod 65, the other end of the piston rod 65 penetrates through the sliding groove 64 and is tightly contacted with the end surface of the PE outer tube 1 on the outer side of the male joint 4, the male joint 4 and the female joint 5 are connected through a threaded structure, in the process that, the sealed gasbag 62 inflates and goes into the draw-in groove 61 to connect the face of face sealed with male joint 4 and female joint 5, avoid leaking, simultaneously, sealed gasbag 62 and piston rod 65 reverse promotion male joint 4, make the helicitic texture between male joint 4 and female joint 5 compress tightly each other, offset the screw thread clearance, connect more firmly.

Sealed gasbag 62 is the cavity ring structure, and draw-in groove 61 is the arc structure of the sealed gasbag 62 outer wall of laminating, increase area of contact for sealed gasbag 62 is even atress, and the central angle that draw-in groove 61 corresponds is 175, then male joint 4 and female joint 5 terminal surface contact back, sealed gasbag 62 receives draw-in groove 61 extrusion from making the leakproofness better, and reverse promotion male joint 4.

The one end that piston rod 65 kept away from piston 66 is hemisphere structure, and the PE outer tube 1 terminal surface outside male joint 4 is opened has the annular guide way 7 of laminating piston rod 65 terminal surface, and when male joint 4 screwed in female joint 5 in, piston rod 65 passed through the sphere and contacts with guide way 7, is convenient for slide.

The working principle is as follows: when the utility model is used, the high temperature resistant layer 2 is arranged between the PE outer pipe 1 and the PE inner pipe 3 to improve the high temperature resistance of the water pipe, the anti-aging capability and the wear resistance of the PE outer pipe 1 and the PE inner pipe 3 are improved by the polyurethane layer 8, the rigidity and the tensile strength of the PE outer pipe 1 and the PE inner pipe 3 are improved by the carbon fiber gridding cloth layer 9, so that the internal and external strength of the water pipe are enhanced, the service life is prolonged, the corrosion resistant steel wire layer 10 and the hydrophobic oil layer 11 which are mutually combined are arranged in the high temperature resistant layer 2 to increase the shock resistance, the corrosion resistance is improved, the male joint 4 and the female joint 5 are connected with the water pipe through the thread structure, in the process that the male joint 4 is gradually screwed into the female joint 5, the end face of the PE outer pipe 1 outside the male joint 4 extrudes the piston rod 65, the piston rod 65 pushes the piston 66, thereby seal the connection face of male joint 4 and female joint 5, avoid leaking, simultaneously, sealed gasbag 62 and piston rod 65 reverse promotion male joint 4 for the helicitic texture between male joint 4 and female joint 5 compresses tightly each other, offsets the screw thread clearance, connects more firmly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Biaxial stretching reinforcing high density polyethylene tubular product, including PE outer tube (1) and PE inner tube (3), its characterized in that: the inner side of the PE outer pipe (1) is provided with a high temperature resistant layer (2), the inner side of the high temperature resistant layer (2) is provided with a PE inner pipe (3), a polyurethane layer (8) is integrally formed in the PE outer pipe (1) and the PE inner pipe (3), a carbon fiber gridding cloth layer (9) is arranged in the polyurethane layer (8), a corrosion-resistant steel wire layer (10) and a hydrophobic oil layer (11) which are mutually combined are integrally formed in the high-temperature resistant layer (2), the hydrophobic oil layer (11) is close to the PE inner pipe (3), the corrosion-resistant steel wire layer (10) is close to the PE outer pipe (1), the inner wall of one end of the PE inner pipe (3) is grooved to form a female joint (5), the outer side of the other end of the PE inner pipe (3) is grooved to form a male joint (4), the male connector (4) is connected with the female connector (5) through a threaded structure, and a sealing mechanism (6) is arranged between the outer end face of the male connector (4) and the inner end face of the female connector (5).

2. The biaxially stretched reinforced high density polyethylene pipe of claim 1, wherein: carbon fiber net check cloth layer (9) an organic whole inlays in polyurethane layer (8), and polyurethane layer (8) of carbon fiber net check cloth layer (9) both sides pass through the mesh fixed connection of carbon fiber net check cloth layer (9).

3. The biaxially stretched reinforced high density polyethylene pipe of claim 1, wherein: sealing mechanism (6) are including sealed gasbag (62), the inner end face in female joint (5) of the fixed joint in one side of sealed gasbag (62), draw-in groove (61) that have laminating sealed gasbag (62) opposite side is opened to the outer terminal surface of male joint (4), it has spout (64) to open in PE outer tube (1) in the female joint (5) outside, the fixed one end that connects trachea (63) of spout (64) inner end face, the other end of trachea (63) runs through high temperature resistant layer (2) and fixed cup joint sealed gasbag (62), slip joint piston (66) in spout (64), the one end of one end fixed connection piston rod (65) of trachea (63) is kept away from in piston (66), the other end of piston rod (65) runs through spout (64) and the PE outer tube (1) terminal surface in the close contact male joint (4) outside.

4. The biaxially stretched reinforced high density polyethylene pipe of claim 3, wherein: sealed gasbag (62) are cavity ring structure, draw-in groove (61) are the arc structure of laminating sealed gasbag (62) outer wall, and the central angle that draw-in groove (61) correspond is 175.

5. The biaxially stretched reinforced high density polyethylene pipe of claim 3, wherein: the one end that piston rod (65) kept away from piston (66) is hemisphere structure, annular guide way (7) of laminating piston rod (65) terminal surface are opened to PE outer tube (1) terminal surface in male joint (4) outside.