CN218582489U

CN218582489U - Aluminium alloy plastic-lined pipe

Info

Publication number: CN218582489U
Application number: CN202222970720.3U
Authority: CN
Inventors: 陈庆瑞
Original assignee: Hebei Gushuo Pipeline Co ltd
Current assignee: Hebei Gushuo Pipeline Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-07
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a pipe is moulded to aluminum alloy lining relates to the aluminum alloy lining and moulds a tub technical field, including outer tube subassembly and inner tube subassembly, the outer tube subassembly includes the aluminum alloy outer tube, installs in the flange at aluminum alloy outer tube both ends, sets up the connecting hole on the flange, has all seted up the spacing groove on two flanges, and the outside of aluminum alloy outer tube is provided with the anodic oxidation layer, and the outside of anodic oxidation layer is provided with the anti-corrosion coating. The utility model relates to a rational in infrastructure, it is through setting up the spacing groove in connecting the flange, can install spacing piece in the inside of spacing groove on the plastic inner tube, it is spacing at the aluminum alloy outer tube to utilize two locating parts to realize the plastic inner tube, and through the reinforcement subassembly between plastic inner tube and the aluminum alloy outer tube, can promote the stability of being connected between plastic inner tube and the aluminum alloy outer tube, thereby the effectual gap that appears between inner tube subassembly and the outer tube subassembly of having avoided, the phenomenon of layering, the quality of aluminum alloy lining plastic pipe spare has been guaranteed.

Description

Aluminium alloy plastic-lined pipe

Technical Field

The utility model relates to a pipe technical field is moulded to the aluminum alloy lining, specifically is a pipe is moulded to aluminum alloy lining.

Background

The outer layer of the aluminum alloy plastic-lined pipe is a 6063 seamless aluminum alloy layer, the inner layer of the aluminum alloy plastic-lined pipe is a PERT pipe and a PPR/PB pipe which meet the national standard, the outer aluminum alloy layer is oxidized to generate an aluminum oxide film, the aluminum oxide film cannot be damaged due to long-time contact with air and other media, and the service life of the aluminum alloy plastic-lined pipe is ensured to be more than 50 years.

Application number 202022132541.3's chinese utility model discloses a pipe is moulded to high temperature resistant aluminum alloy lining, its type is provided with wire net and heat-resistant layer, mould the surface of inner tube to the plastics lining through the steel wire layer and consolidate, avoid it fracture in expend with heat and contract with cold, cause the life of pipe to reduce is moulded to the aluminum alloy lining, pass through the heat-resistant layer design simultaneously, thereby absorb the separation to the heat in the pipeline, avoid temperature transfer to the surface of pipe is moulded to the aluminum alloy lining, cause the heat to run off, avoid external personnel to scald when the touching simultaneously.

Still have some problems in the above-mentioned scheme, because the steel wire net layer adopts the mode of pressfitting to be connected with the heat-resistant layer, the steel wire net layer is fixed on the plastic lining inner tube, this just leads to having heat-resistant layer, steel wire net layer between aluminum alloy outer tube and the plastic lining inner tube, is difficult to guarantee the stability of being connected between aluminum alloy outer tube and the plastic lining inner tube for there is the phenomenon of layering in aluminum alloy lining plastic pipe spare use, influences the quality of aluminum alloy lining plastic pipe spare. Therefore, the aluminum alloy plastic-lined pipe solves the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing an aluminum alloy plastic lining pipe in order to make up the defects of the prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipe is moulded to aluminum alloy lining, includes outer tube subassembly and inner tube subassembly, the outer tube subassembly includes the aluminum alloy outer tube, installs in the flange at aluminum alloy outer tube both ends, sets up the connecting hole on the flange, two spacing groove has all been seted up on the flange, the outside of aluminum alloy outer tube is provided with the anodic oxidation layer, the outside of anodic oxidation layer is provided with the anti-corrosion coating.

The inner pipe assembly comprises a plastic inner pipe and limiting parts arranged at two ends of the plastic inner pipe, the limiting parts are inserted into limiting grooves, a heat-resistant layer is arranged in the plastic inner pipe, and a reinforcing assembly is arranged between the plastic inner pipe and the aluminum alloy outer pipe.

The reinforcing assembly comprises a second arc-shaped groove arranged in the aluminum alloy outer pipe and a second arc-shaped strip arranged on the plastic inner pipe, one end, far away from the plastic inner pipe, of the second arc-shaped strip is inserted into the second arc-shaped groove, and the second arc-shaped strip and the plastic inner pipe are of an integrated structure.

The reinforcing component further comprises a first arc-shaped groove formed in the plastic inner pipe and a first arc-shaped strip installed on the aluminum alloy outer pipe, one end, far away from the aluminum alloy outer pipe, of the first arc-shaped strip is inserted into the first arc-shaped groove, and the first arc-shaped strip and the aluminum alloy outer pipe are of an integrated structure.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the aluminum alloy plastic-lined pipe has the following beneficial effects:

the utility model discloses a flange, the spacing groove, locating part and the cooperation setting between the reinforcement subassembly, through set up the spacing groove in the flange, can install spacing piece in the inside of spacing groove on the plastic inner tube, it is spacing at the aluminum alloy outer tube to utilize two locating parts to realize the plastic inner tube, and through the reinforcement subassembly between plastic inner tube and the aluminum alloy outer tube, can promote the stability of being connected between plastic inner tube and the aluminum alloy outer tube, thereby the effectual gap that appears between inner tube subassembly and the outer tube subassembly of having avoided, the phenomenon of layering, the quality of aluminum alloy lining plastic pipe spare has been guaranteed.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a first cross-sectional view of the present invention;

fig. 3 is a second cross-sectional view of the present invention.

In the figure: 1. an aluminum alloy outer tube; 2. a connecting flange; 3. connecting holes; 4. a plastic inner tube; 5. a stopper; 6. a limiting groove; 7. a thermal barrier layer; 8. an anodic oxidation layer; 9. an anti-corrosion layer; 10. a first arc-shaped slot; 11. a first arc-shaped strip; 12. a second arc-shaped strip; 13. a second arc-shaped groove.

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.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a pipe is moulded to aluminum alloy lining, including outer tube subassembly and inner tube subassembly, the outer tube subassembly includes aluminum alloy outer tube 1, install in the flange 2 at 1 both ends of aluminum alloy outer tube, set up connecting hole 3 on flange 2, aluminum alloy outer tube 1 chooses for use the aluminum alloy material, and flange 2 chooses for use 1 the same material with aluminum alloy outer tube, flange 2 can be connected with external pipeline through connecting hole 3, spacing groove 6 has all been seted up on two flange 2, aluminum alloy outer tube 1's outside is provided with anodic oxidation layer 8, anodic oxidation layer 8's outside is provided with anti-corrosion coating 9, anodic oxidation coating 8 can form the fine and close oxide film of one deck at aluminum alloy outer tube 1's surface, promote aluminum alloy outer tube 1's oxidation resistance with this, and block through anti-corrosion coating 9 external corrosion thing, can avoid the corrosive thing to cause destruction to the oxide film that anodic oxidation coating 8 formed.

The inner tube subassembly includes plastic inner tube 4, install in the locating part 5 at plastic inner tube 4 both ends, locating part 5 pegs graft in spacing groove 6, plastic inner tube 4 and locating part 5 formula structure as an organic whole, can pass through the form formation locating part 5 of hot pressing at the both ends of plastic inner tube 4, and form locating part 5 in the inside of spacing groove 6, be provided with heat-resistant layer 7 in the plastic inner tube 4, heat-resistant performance that plastic inner tube 4 can be promoted to heat-resistant layer 7, be provided with the reinforcement subassembly between plastic inner tube 4 and the aluminum alloy outer tube 1.

The reinforcing component comprises a second arc-shaped groove 13 arranged in the aluminum alloy outer pipe 1 and a second arc-shaped strip 12 arranged on the plastic inner pipe 4, one end, far away from the plastic inner pipe 4, of the second arc-shaped strip 12 is connected in the second arc-shaped groove 13 in an inserting mode, the second arc-shaped strip 12 and the plastic inner pipe 4 are of an integrated structure, and when the plastic inner pipe 4 is combined with the aluminum alloy outer pipe 1 in a prestress mode, the second arc-shaped strip 12 generated on the plastic inner pipe 4 can be filled in the second arc-shaped groove 13.

The reinforcing component further comprises a first arc-shaped groove 10 arranged on the plastic inner pipe 4, and a first arc-shaped strip 11 arranged on the aluminum alloy outer pipe 1, wherein one end, far away from the aluminum alloy outer pipe 1, of the first arc-shaped strip 11 is inserted into the first arc-shaped groove 10, the first arc-shaped strip 11 and the aluminum alloy outer pipe 1 are of an integrated structure, the first arc-shaped groove 10 formed on the plastic inner pipe 4 is also generated when the plastic inner pipe 4 and the aluminum alloy outer pipe 1 are subjected to prestress combination, and therefore the plastic inner pipe 4 and the aluminum alloy outer pipe 1 can be reinforced.

The working principle is as follows: place plastic inner tube 4 under the hot melt state in aluminum alloy outer tube 1's inside, mode through rotatory prestressing force combination, form second arc 12 and first arc 10 on will plastic inner tube 4, can insert second arc 12 to the inside of second arc 13, and insert first arc 11 to the inside of first arc 10, can promote the stability of being connected between plastic inner tube 4 and the aluminum alloy outer tube 1, thereby the effectual gap that has avoided appearing between inner tube subassembly and the outer tube subassembly, the phenomenon of layering, and after prestressing force combination, through the mode of hot pressing, stretch out the position from aluminum alloy outer tube 1 with plastic inner tube 4 and impress the inside to spacing 6, and form locating part 5 in spacing 6, utilize two locating parts 5 to realize that plastic inner tube 4 is spacing in aluminum alloy outer tube 1.

Claims

1. An aluminum alloy plastic-lined pipe is characterized in that: comprises an outer pipe component and an inner pipe component;

the outer pipe assembly comprises an aluminum alloy outer pipe (1), connecting flanges (2) arranged at two ends of the aluminum alloy outer pipe (1) and connecting holes (3) formed in the connecting flanges (2), and limiting grooves (6) are formed in the two connecting flanges (2);

the inner pipe assembly comprises a plastic inner pipe (4) and limiting parts (5) arranged at two ends of the plastic inner pipe (4), the limiting parts (5) are inserted into the limiting grooves (6), and a reinforcing assembly is arranged between the plastic inner pipe (4) and the aluminum alloy outer pipe (1).

2. An aluminum alloy plastic-lined pipe as recited in claim 1, wherein: the reinforcing component comprises a second arc-shaped groove (13) arranged in the aluminum alloy outer pipe (1) and a second arc-shaped strip (12) arranged on the plastic inner pipe (4), one end, far away from the plastic inner pipe (4), of the second arc-shaped strip (12) is inserted into the second arc-shaped groove (13), and the second arc-shaped strip (12) and the plastic inner pipe (4) are of an integrated structure.

3. An aluminium alloy lined plastic pipe according to claim 1, wherein: the reinforcing component further comprises a first arc-shaped groove (10) formed in the plastic inner pipe (4) and a first arc-shaped strip (11) installed on the aluminum alloy outer pipe (1), one end, away from the aluminum alloy outer pipe (1), of the first arc-shaped strip (11) is connected in the first arc-shaped groove (10) in an inserting mode, and the first arc-shaped strip (11) and the aluminum alloy outer pipe (1) are of an integrated structure.

4. An aluminum alloy plastic-lined pipe as recited in claim 1, wherein: and a heat-resistant layer (7) is arranged in the plastic inner pipe (4).

5. An aluminum alloy plastic-lined pipe as recited in claim 1, wherein: an anodic oxidation layer (8) is arranged outside the aluminum alloy outer tube (1), and an anti-corrosion layer (9) is arranged outside the anodic oxidation layer (8).