CN213089013U

CN213089013U - Aluminum alloy lining plastic pipe with PPR inner layer

Info

Publication number: CN213089013U
Application number: CN202021999190.XU
Authority: CN
Inventors: 陈青峰
Original assignee: Henan Netcom Industrial Co ltd
Current assignee: Henan Netcom Industrial Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-04-30
Anticipated expiration: 2030-09-14

Abstract

The utility model relates to an aluminum-plastic tubing technical field especially relates to a pipe is moulded to aluminum alloy lining with PPR inlayer. The to-be-solved technical problem of the utility model is that current plastic-aluminum tubular product intensity is not high, causes the pipeline transportation broken string after the fracture, influences the problem of transportation effect. In order to solve the technical problem, the utility model provides a pipe is moulded to aluminum alloy lining with PPR inlayer, including the inner tube, the material of inner tube is PPR, the cover is worn to have explosion-proof net in the surface of inner tube. The device is through setting up explosion-proof net and grid groove for intensity in the inner tube district section is high, toughness is stronger, the resistance relative with the pressure that pipeline inner wall medium flows is stronger, can not explode when the fracture and scatter and make the piece injure the people, the security and the stability of transmission are stronger, through setting up explosion-proof net and sealing layer, reduce pipeline crackle and leak size, the cooperation sealing layer, the pipeline bursts the back, the transmission of material medium still can be ensured to the inflation of sealing layer still, avoid transmitting the broken string problem.

Description

Aluminum alloy lining plastic pipe with PPR inner layer

Technical Field

The utility model relates to an aluminum-plastic tubing technical field specifically is a pipe is moulded to aluminum alloy lining with PPR inlayer.

Background

Compared with the traditional cast iron pipe, galvanized steel pipe, cement pipe and other pipelines, the PPR pipe has the advantages of energy conservation, material saving, environmental protection, light weight, high strength, corrosion resistance, smooth inner wall, no scaling, simple and convenient construction and maintenance, long service life and the like, and is widely applied to the building industry, municipal administration, industry and agricultural field such as building water supply and drainage, urban and rural water supply and drainage, urban gas, electric power and optical cable sheaths, industrial fluid delivery, agricultural irrigation and the like.

The prior patent (publication number: CN 206802518U) discloses an aluminum alloy plastic-lined composite pipe, which comprises a main pipe, wherein the outer wall of the main pipe is provided with a wrapping layer, openings at two ends of the main pipe are provided with stepped grooves, inner lining pieces are assembled in the stepped grooves, and the outer wall of the wrapping layer is provided with inserting grooves at equal angles. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. the device has low strength and poor external force resistance, when the medium impact pressure on the inner wall of the pipeline easily causes the pipeline to burst, and fragments are scattered to easily hurt people during burst; 2. after the device explodes the pipe, the crack of pipeline is big, and the leak is big, and the material medium reveals seriously, causes the transmission broken string problem easily.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pipe is moulded to aluminum alloy lining with PPR inlayer has solved current plastic-aluminum tubular product intensity not high, causes the pipeline transportation broken string after the fracture, influences the problem of transportation effect.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an aluminum alloy plastic-lined pipe with PPR inlayer, includes the inner tube, the material of inner tube is PPR, the surface of inner tube wears to overlap has explosion-proof net, the surface of inner tube has seted up the grid groove, the warp and the weft of explosion-proof net are all nested in the inboard in grid groove, the inboard surface coating in grid groove has the colloidal layer, the surface on colloidal layer has cup jointed the sealing layer, the muscle strip groove has been seted up to the surface of sealing layer, the inboard in muscle strip groove wears to overlap has the counterpoint rib, the fixed outer tube that has cup jointed of surface of counterpoint rib, the material of outer tube is the aluminum alloy, the surface coating of outer tube has the antirust coat.

Further preferably, the explosion-proof net is made of nylon, the meshes of the explosion-proof net are rhombic, column heads are arranged at the joints of the warp threads and the weft threads of the explosion-proof net in a hot melting mode, and the bottom ends of the column heads are welded to the inner sides of the mesh grooves.

Further preferably, the grid grooves are rhombic grooves, and the shapes of the grid grooves are matched with those of the explosion-proof net.

More preferably, the colloidal layer is made of resin material, and the colloidal layer is filled with the grid grooves and wraps the outer surface of the inner pipe.

Preferably, the sealing layer is a rubber sleeve, the sealing ring is sleeved on the inner surface of the sealing layer at equal intervals, and the inner surface of the sealing ring is bonded with the colloidal layer.

Further preferably, the alignment rib is semi-cylindrical, and the alignment rib coincides with a generatrix of the inner surface cylinder of the outer tube.

(III) advantageous effects

The utility model provides a pipe is moulded to aluminum alloy lining with PPR inlayer possesses following beneficial effect:

(1) the device is through setting up explosion-proof net and grid groove for intensity in the inner tube district section is high, and toughness is stronger, and the resistance ability relative with the pressure that pipeline inner wall medium flows is stronger, is difficult to the fracture, can not explode during the fracture and make the piece injure the people, and the security and the stability of transmission are stronger.

(2) The device is through setting up explosion-proof net and sealing layer, can be so that when the inner tube bursts, pipe wall piece interconnects as far as possible, reduces pipeline crackle and leak size to the effect of covering is wrapped up in to the cooperation sealing layer, the pipeline bursts the back, and the sealing layer is the inflation still can ensure the transmission of material medium still, avoids transmitting the broken string problem.

Drawings

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

fig. 2 is a cross-sectional view of the rib groove and the alignment rib of the present invention.

In the figure: 1 inner tube, 2 explosion-proof nets, 3 grid grooves, 4 colloidal layers, 5 sealing layers, 6 rib grooves, 7 alignment ribs, 8 outer tubes, 9 and an anti-rust 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: an aluminum alloy plastic-lined pipe with a PPR inner layer comprises an inner pipe 1, the inner pipe 1 is made of PPR, an anti-explosion net 2 is sleeved on the outer surface of the inner pipe 1 in a penetrating mode, the anti-explosion net 2 is made of nylon, meshes of the anti-explosion net 2 are rhombic, column heads are arranged at nodes of warps and wefts of the anti-explosion net 2 in a hot melting mode, the bottom ends of the column heads are welded on the inner sides of grid grooves 3 in a melting mode, adhesion and integrity of the anti-explosion net 2 and the inner pipe 1 are enhanced through column head structures, the outer surface of the inner pipe 1 is provided with grid grooves 3, the grid grooves 3 are rhombic, the shapes of the grid grooves 3 are matched with those of the anti-explosion net 2, the warps and the wefts of the anti-explosion net 2 are nested on the inner sides of the grid grooves 3, the surface of the inner sides of the grid grooves 3 is coated with a colloidal layer 4, the colloidal layer 4 is made of resin materials, the colloidal layer 4 is filled with the grid grooves, when the inner pipe 1 is broken, the explosion-proof net 2 can prevent fragments of the inner pipe 1 from flying out and enable the fragments to be mutually connected to reduce a broken gap, the outer surface of the colloidal layer 4 is sleeved with the sealing layer 5, the sealing layer 5 is a rubber sleeve, the inner surface of the sealing layer 5 is sleeved with the sealing rings at equal intervals, the inner surface of each sealing ring is bonded with the colloidal layer 4, the pipeline is prevented from being broken through the arrangement mode of the sealing rings, when the sealing layer 5 bears water, the barrier fluid pressure flows and spreads on the inner side surface of the sealing layer 5 along the generatrix of the outer surface of the inner pipe 1, so that the sealing layer 5 is greatly bulged and affects the pressure of the inner wall of the pipeline too much, the outer surface of the sealing layer 5 is provided with the rib groove 6, the inner side of the rib groove 6 is sleeved with the alignment rib 7, the alignment rib 7 is semi-cylindrical, the alignment rib 7 is overlapped with the generatrix of, and through possessing the sealing layer 5 structure of the nature of surely working out for possess certain outside expansion's pressure between inner tube 1 and the outer tube 8, make the connectivity between inner tube 1 and the outer tube 8 better, the outer fixed surface of counterpoint rib 7 has cup jointed outer tube 8, and the material of outer tube 8 is the aluminum alloy, and the surface coating of outer tube 8 has antirust coat 9.

The working principle is as follows: when the pipeline is burst by external force or internal material medium pressure, the anti-explosion net 2 is matched with the colloidal layer 4 to realize mutual connection between fragments of the inner pipe 1, the size of cracks and leaks of the pipeline is reduced, the sealing layer 5 wraps the fragments to further enhance the sealing performance, the burst pipeline possibly causes the outer pipe 8 to break, the sealing layer 5 is exposed, but the sealing layer 5 can also ensure the flowing and the transportation of the material medium to a certain extent even if the packaging is exposed, and the problem of material transmission disconnection is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a pipe is moulded to aluminum alloy lining with PPR inlayer, includes inner tube (1), its characterized in that: the material of inner tube (1) is PPR, the surface of inner tube (1) is worn to overlap and is had explosion-proof net (2), grid groove (3) have been seted up to the surface of inner tube (1), warp and weft of explosion-proof net (2) are all nested in the inboard in grid groove (3), the inboard surface coating in grid groove (3) has colloidal layer (4), sealing layer (5) have been cup jointed to the surface of colloidal layer (4), muscle groove (6) have been seted up to the surface of sealing layer (5), the inboard of muscle groove (6) is worn to overlap and is had counterpoint muscle strip (7), the fixed surface cover of counterpoint muscle strip (7) has been cup jointed outer tube (8), the material of outer tube (8) is the aluminum alloy, the surface coating of outer tube (8) has antirust coat (9).

2. The aluminum alloy lined plastic pipe with the PPR inner layer as recited in claim 1, wherein: the anti-explosion net (2) is made of nylon, the meshes of the anti-explosion net (2) are rhombic, column heads are arranged at the joints of warps and wefts of the anti-explosion net (2) in a hot melting mode, and the bottom ends of the column heads are welded on the inner side of the mesh grooves (3).

3. The aluminum alloy lined plastic pipe with the PPR inner layer as recited in claim 1, wherein: the grid groove (3) is a rhombus groove, and the shape of the grid groove (3) is matched with that of the explosion-proof net (2).

4. The aluminum alloy lined plastic pipe with the PPR inner layer as recited in claim 1, wherein: the colloidal layer (4) is made of resin materials, and the colloidal layer (4) is filled in the grid grooves (3) and wraps the outer surface of the inner pipe (1).

5. The aluminum alloy lined plastic pipe with the PPR inner layer as recited in claim 1, wherein: the sealing layer (5) is a rubber sleeve, sealing rings are sleeved on the inner surface of the sealing layer (5) at equal intervals, and the inner surface of each sealing ring is bonded with the colloidal layer (4).

6. The aluminum alloy lined plastic pipe with the PPR inner layer as recited in claim 1, wherein: the alignment rib (7) is semi-cylindrical, and the alignment rib (7) coincides with a generatrix of an inner surface cylinder of the outer tube (8).