CN216143315U

CN216143315U - Aluminum pipe for sealing and protecting outer surface of aluminum-plastic pipe

Info

Publication number: CN216143315U
Application number: CN202121350668.0U
Authority: CN
Inventors: 周敏; 张维超
Original assignee: Jiangsu Yingxiquan Technology Co ltd
Current assignee: Jiangsu Yingxiquan Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-03-29
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses an aluminum pipe for sealing and protecting the outer surface of an aluminum-plastic pipe, which comprises an aluminum pipe fitting and the aluminum-plastic pipe, wherein the aluminum-plastic pipe is arranged on the inner side of the aluminum pipe fitting; the aluminum pipe for sealing and protecting the outer surface of the aluminum-plastic pipe can avoid the problem of leakage prevention at the joint of the aluminum pipe fitting and the aluminum-plastic pipe by arranging the rubber sealing gasket, the PN water stop strip and the rubber sealing ring, so that the sealing is better; through setting up aluminium pipe fitting, rubber seal pad, first spacing cutting ferrule, the spacing cutting ferrule of second, rubber seal ring, fastening cutting ferrule nut and installation thread groove, can make the aluminium-plastic pipe assembly simpler under guaranteeing aluminium pipe fitting and aluminium-plastic pipe seal stability.

Description

Aluminum pipe for sealing and protecting outer surface of aluminum-plastic pipe

Technical Field

The utility model relates to the technical field of pipelines, in particular to an aluminum pipe for sealing and protecting the outer surface of an aluminum-plastic pipe.

Background

An Aluminum Plastic pipe (English name: Aluminum Plastic pipe) is a novel pipeline formed by co-extruding and compounding an Aluminum pipe longitudinally welded in the middle, polyethylene plastics on inner and outer layers and hot melt adhesive between the layers. Polyethylene is a nontoxic, odorless plastic with good impact resistance, corrosion resistance and weather resistance. The middle layer longitudinal welding aluminum alloy makes the pipe have the compressive strength of metal, the impact resistance makes the pipe easy to bend and not rebound, the aluminum plastic composite pipe has two characteristics of firm pressure resistance of the metal pipe and acid, alkali and corrosion resistance of the plastic pipe, and is a model of a new generation of pipe. The aluminum-plastic pipe (aluminum-plastic composite pipe) is a popular pipe in the market, and is more suitable for being used in home decoration due to light weight, durability, convenient construction and flexibility of the aluminum-plastic pipe (aluminum-plastic composite pipe).

The prior art has the following defects or problems:

1. after the existing aluminum-plastic pipe is installed, under the internal high-pressure impact, the problem of sealing failure can occur to the treatment of adopting a single sealing gasket to realize waterproof sealing, and further leakage can occur;

2. in addition, the existing aluminum-plastic pipes are mostly installed and butted in a hot melting mode in the installation process, and the subsequent repair and maintenance work is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aluminum pipe for sealing and protecting the outer surface of an aluminum-plastic pipe aiming at the defects in the prior art, and solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aluminum pipe for surface seal protection of plastic-aluminum pipe, includes aluminum pipe spare and plastic-aluminum pipe, the inboard of aluminum pipe spare is provided with the plastic-aluminum pipe, it keeps off the face to have seted up double ring shape in the aluminum pipe spare, the one side that the plastic-aluminum pipe is close to double ring shape keeps off the face is provided with the rubber packing pad, the annular has been seted up to the inner wall of aluminum pipe spare, the inboard of annular is close to the outer anchor ring of plastic-aluminum pipe and is provided with the PN sealing strip, the inboard that the outer anchor ring of plastic-aluminum pipe is close to the aluminum pipe spare is provided with first spacing cutting ferrule, one side of first spacing cutting ferrule has set gradually second spacing cutting ferrule and rubber packing ring, the outside wall that the outside of first spacing cutting ferrule is close to the aluminum pipe spare is provided with fastening cutting ferrule nut, the installation thread groove has been seted up to the outside wall of aluminum pipe spare.

As a preferred technical scheme of the utility model, the aluminum pipe fitting is of a cavity structure, and two ends of the aluminum pipe fitting are provided with conical and tapered mouths.

According to the preferable technical scheme, the number of the rubber sealing gaskets is two, the outer diameter size of each rubber sealing gasket is the same as that of the aluminum-plastic pipe, and the aluminum-plastic pipe is in sealing contact with the double annular blocking surfaces through the rubber sealing gaskets.

As a preferable technical scheme of the utility model, the PN water stop strip is annular, and the inner diameter of the annular groove is matched with the outer diameter of the PN water stop strip.

According to the preferable technical scheme, the number of the rubber sealing rings is two, the rubber sealing rings are inserted into the aluminum plastic pipe, and the rubber sealing rings are located on the inner side of the fastening clamping sleeve nut.

As a preferred technical scheme of the utility model, the first limiting cutting sleeve and the second limiting cutting sleeve are both conical, the second limiting cutting sleeve is sleeved in the first limiting cutting sleeve, the first limiting cutting sleeve and the second limiting cutting sleeve are both inserted into the aluminum-plastic pipe, and the first limiting cutting sleeve is abutted against two ends of the aluminum pipe.

According to the preferred technical scheme, the number of the fastening clamping sleeve nuts is two, and threads matched with the mounting screw grooves are formed in the fastening clamping sleeve nuts.

Compared with the prior art, the utility model provides an aluminum pipe for sealing and protecting the outer surface of an aluminum-plastic pipe, which has the following beneficial effects:

1. according to the aluminum pipe for sealing and protecting the outer surface of the aluminum-plastic pipe, the rubber sealing gasket, the PN water stop strip and the rubber sealing ring are arranged, and the PN water stop strip is positioned on the inner side of the ring groove and on the outer ring surface of the aluminum-plastic pipe, so that the PN water stop strip can expand when meeting water under the action of a polymer electrodeless water absorption expansion material and a rubber mixing material, and further the joint of the aluminum pipe and the aluminum-plastic pipe can be tightly blocked;

2. this an aluminum pipe for surface seal protection of plastic-aluminum pipe, through setting up aluminum pipe spare, rubber seal pad, first spacing cutting ferrule, the spacing cutting ferrule of second, rubber seal ring, fastening cutting ferrule nut and installation screw groove, through filling in rubber seal pad one side that the face was kept off to the dicyclo in the aluminum pipe spare, and with first spacing cutting ferrule, the spacing cutting ferrule of second all overlaps on the plastic-aluminum pipe with rubber seal ring, then peg graft in aluminum pipe spare and butt rubber seal pad by the plastic-aluminum pipe, accessible fastening cutting ferrule nut is under the cooperation of screwing of installation screw groove, with spacing on the bell at aluminum pipe spare both ends of first spacing cutting ferrule, with this can accomplish the fast assembly of plastic-aluminum pipe, and then can make the plastic-aluminum pipe assembly simpler under guaranteeing aluminum pipe spare and plastic-aluminum pipe seal stability.

Drawings

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

FIG. 2 is a perspective view of the present invention;

FIG. 3 is an enlarged view of portion A of the present invention;

FIG. 4 is an enlarged view of the portion B of the present invention.

In the figure: 1. an aluminum pipe fitting; 2. an aluminum-plastic pipe; 3. a double annular baffle surface; 4. a rubber gasket; 5. a ring groove; 6. a PN water stop bar; 7. a first limit ferrule; 8. a second limiting clamping sleeve; 9. a rubber seal ring; 10. fastening a ferrule nut; 11. and (5) installing a screw groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides an aluminum pipe for surface seal protection of aluminum-plastic pipe, including aluminum pipe spare 1 and aluminum-plastic pipe 2, aluminum pipe spare 1's inboard is provided with aluminum-plastic pipe 2, double annular fender face 3 has been seted up in aluminum pipe spare 1, one side that aluminum-plastic pipe 2 is close to double annular fender face 3 is provided with rubber packing pad 4, annular 5 has been seted up to aluminum pipe spare 1's inner wall, the inboard of annular 5 is close to aluminum-plastic pipe 2's outer anchor ring and is provided with PN sealing strip 6, the inboard that aluminum-plastic pipe 2's outer anchor ring is close to aluminum pipe spare 1 is provided with first spacing cutting ferrule 7, one side of first spacing cutting ferrule 7 has set gradually spacing cutting ferrule 8 of second and rubber seal ring 9, the outside wall that aluminum pipe spare 1 is close to aluminum pipe spare 7 in the outside of first spacing cutting ferrule 7 is provided with fastening cutting ferrule nut 10, installation thread groove 11 has been seted up to aluminum pipe spare 1's exterior wall.

In the embodiment, the aluminum pipe fitting 1 is of a cavity structure, and two ends of the aluminum pipe fitting 1 are provided with conical tapered mouths; the cavity can provide the grafting position of plastic-aluminum pipe 2, and the toper convergent mouth can let its first spacing cutting ferrule 7 extrude plastic-aluminum pipe 2. The number of the rubber sealing gaskets 4 is two, the outer diameter size of the rubber sealing gaskets 4 is the same as that of the aluminum-plastic pipe 2, and the aluminum-plastic pipe 2 is in sealing butt joint with the double annular blocking surfaces 3 through the rubber sealing gaskets 4; the rubber gasket 4 can provide a sealing effect for the mounting position of the head end of the aluminum-plastic pipe 2. The PN water stop strip 6 is annular, and the inner diameter of the ring groove 5 is matched with the outer diameter of the PN water stop strip 6; the high-molecular electrodeless water-absorbing expansion material of the PN water-stop strip 6 and the rubber mixing material can be expanded when meeting water, so that the joint of the aluminum pipe 1 and the aluminum-plastic pipe 2 can be blocked tightly. The number of the rubber sealing rings 9 is two, the rubber sealing rings 9 are inserted into the aluminum-plastic pipe 2, and the rubber sealing rings 9 are positioned on the inner side of the fastening clamping sleeve nut 10; the rubber sealing ring 9 provides a sealing effect at the end where the aluminium-plastic pipe 2 is connected with the fastening ferrule nut 10. The first limiting cutting sleeve 7 and the second limiting cutting sleeve 8 are both conical, the second limiting cutting sleeve 8 is sleeved in the first limiting cutting sleeve 7, the first limiting cutting sleeve 7 and the second limiting cutting sleeve 8 are both inserted into the aluminum-plastic pipe 2, and the first limiting cutting sleeve 7 is abutted to two ends of the aluminum pipe fitting 1; the number of the fastening clamping sleeve nuts 10 is two, and threads matched with the mounting screw grooves 11 are formed in the fastening clamping sleeve nuts 10; under the cooperation of screwing of accessible fastening cutting ferrule nut 10 and installation thread groove 11, with spacing on the bell mouth at aluminum pipe fitting 1 both ends of first spacing cutting ferrule 7, under the sealed stability of assurance plastic-aluminum pipe 2, can realize the fast assembly of plastic-aluminum pipe 2.

The working principle and the using process of the utility model are as follows: firstly, a rubber sealing gasket 4 is plugged into one side of a double-annular blocking surface 3 in an aluminum pipe fitting 1, and a first limiting clamping sleeve 7, a second limiting clamping sleeve 8 and a rubber sealing ring 9 are all sleeved on the aluminum-plastic pipe 2, so that the aluminum-plastic pipe 2 is inserted into the aluminum pipe fitting 1 and abutted against the rubber sealing gasket 4, the first limiting clamping sleeve 7 is limited on conical openings at two ends of the aluminum pipe fitting 1 under the screwing matching of a fastening clamping sleeve nut 10 and a mounting screw groove 11, the aluminum-plastic pipe 2 can be quickly assembled, and the aluminum-plastic pipe 2 can be more simply assembled under the condition that the aluminum pipe fitting 1 and the aluminum-plastic pipe 2 are stably sealed; then through the PN sealing strip 6 which is positioned on the inner side of the ring groove 5 and on the outer ring surface of the aluminum-plastic pipe 2, the PN sealing strip 6 can expand when meeting water under the action of a polymer electrodeless water absorption expansion material and a rubber mixing material, and further can block the joint of the aluminum pipe 1 and the aluminum-plastic pipe 2, and in addition, under the rubber sealing action of the rubber sealing gasket 4 and the rubber sealing ring 9, the sealing effect of the head and tail installation positions of the aluminum-plastic pipe 2 can be further provided, so that the sealing is better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an aluminum pipe that is used for plastic-aluminum pipe surface sealing protection which characterized in that: the aluminum pipe fitting comprises an aluminum pipe fitting (1) and an aluminum-plastic pipe (2), wherein the aluminum-plastic pipe (2) is arranged on the inner side of the aluminum pipe fitting (1), a double-ring-shaped blocking surface (3) is arranged in the aluminum pipe fitting (1), a rubber sealing gasket (4) is arranged on one side, close to the double-ring-shaped blocking surface (3), of the aluminum-plastic pipe (2), an annular groove (5) is formed in the inner wall of the aluminum pipe fitting (1), a PN water stop strip (6) is arranged on the inner side, close to the outer ring surface of the aluminum-plastic pipe (2), of the annular groove (5), a first limiting clamping sleeve (7) is arranged on the inner side, close to the aluminum pipe fitting (1), of the outer ring surface of the aluminum-plastic pipe (2), a second limiting clamping sleeve (8) and a rubber sealing ring (9) are sequentially arranged on one side of the first limiting clamping sleeve (7), a fastening nut (10) is arranged on the outer side, close to the outer surface wall of the aluminum pipe fitting (1), of the first limiting clamping sleeve (7), the outer surface wall of the aluminum pipe fitting (1) is provided with a mounting screw groove (11).

2. An aluminum pipe for sealing protection of an outer surface of an aluminum-plastic pipe according to claim 1, wherein: the aluminum pipe fitting (1) is of a cavity structure, and two ends of the aluminum pipe fitting (1) are provided with conical tapered mouths.

3. An aluminum pipe for sealing protection of an outer surface of an aluminum-plastic pipe according to claim 1, wherein: the quantity of rubber seal pad (4) is two, and the external diameter size of rubber seal pad (4) is the same with the external diameter size of plastic-aluminum pipe (2), plastic-aluminum pipe (2) are kept off face (3) through rubber seal pad (4) and dicyclo and are sealed the butt.

4. An aluminum pipe for sealing protection of an outer surface of an aluminum-plastic pipe according to claim 1, wherein: the shape of PN sealing rod (6) is the annular, the internal diameter size of annular (5) and the external diameter size looks adaptation of PN sealing rod (6).

5. An aluminum pipe for sealing protection of an outer surface of an aluminum-plastic pipe according to claim 1, wherein: the number of the rubber sealing rings (9) is two, the rubber sealing rings (9) are connected with the aluminum-plastic pipe (2) in an inserting mode, and the rubber sealing rings (9) are located on the inner side of the fastening clamping sleeve nut (10).

6. An aluminum pipe for sealing protection of an outer surface of an aluminum-plastic pipe according to claim 1, wherein: first spacing cutting ferrule (7) is the toper with spacing cutting ferrule (8) of second, the spacing cutting ferrule of second (8) cup joints in first spacing cutting ferrule (7), the spacing cutting ferrule of second (8) all peg graft with aluminium-plastic pipe (2), the both ends butt of first spacing cutting ferrule (7) and aluminium pipe fitting (1).

7. An aluminum pipe for sealing protection of an outer surface of an aluminum-plastic pipe according to claim 1, wherein: the number of the fastening clamping sleeve nuts (10) is two, and threads matched with the mounting screw grooves (11) are formed in the fastening clamping sleeve nuts (10).