CN211449911U

CN211449911U - PVC tubular product of life of a specified duration

Info

Publication number: CN211449911U
Application number: CN201922332496.3U
Authority: CN
Inventors: 王海旭; 鲁楠
Original assignee: Shandong Qiankun Pipe Industry Co ltd
Current assignee: Shandong Qiankun Pipe Industry Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-08
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a PVC tubular product of life of a specified duration, including PVC tubular product body, the surface of PVC tubular product body is equipped with the enhancement layer, the surface of PVC tubular product body is equipped with the grafting piece, the quantity of grafting piece is four and the equidistance and encircles the surface that sets up at PVC tubular product body, the surface of enhancement layer is equipped with fire-retardant layer. The utility model discloses a set up fire-retardant layer and oxidation barrier, protect the processing to interior well PVC tubular product, can improve the fire behavior and the oxidation resistance of PVC tubular product when using greatly, encircle simultaneously and set up four grafting blocks and the mutual joint of inserting groove on PVC tubular product body surface, can improve the anti torque capacity of tubular product, when tubular product pressurized, the connecting block drives the arc clamp plate and extrudees powerful spring, and the support of grafting block is inserted in the cooperation, the toughness of tubular product has been strengthened, avoid receiving great gravity and breaking, the life of tubular product has been improved, satisfy diversified user demand.

Description

PVC tubular product of life of a specified duration

Technical Field

The utility model relates to a PVC tubular product technical field specifically is a PVC tubular product of life of a specified duration.

Background

PVC is a material which adds other components to enhance the heat resistance, toughness and ductility of the PVC, the uppermost layer of the surface film is paint, the middle main component is polyvinyl chloride, the lowermost layer is back coating adhesive, an anti-oxidation PVC pipe is disclosed in Chinese patent CN201821192923.1, which comprises a body, the body comprises an outer layer, an inner wall fixedly connected with anti-oxidation layer of the outer layer, an inner wall fixedly connected with flame-retardant layer of the anti-oxidation layer, an inner wall fixedly connected with anti-corrosion layer of the flame-retardant layer, an inner wall fixedly connected with heat-resistant layer of the anti-corrosion layer, an inner wall fixedly connected with middle glue layer of the heat-resistant layer, an inner wall fixedly connected with anti-pressure layer of the middle glue layer, an inner wall fixedly connected with antibacterial layer of the anti-pressure layer, the utility model discloses a material which comprises a body, an outer layer, an anti-oxidation layer, a flame-retardant layer, an anti-corrosion, The middle glue layer, the anti-pressure layer, the cooperation of antibiotic layer and inner core layer is used, can strengthen the anti oxidation ability of this tubular product, effectually avoided because of exposing the produced oxidation reaction in the air for a long time, can strengthen the corrosion resistance and the high temperature resistance ability of this tubular product simultaneously, the better life who has increased this tubular product, this PVC tubular product has better anti oxidation, anticorrosive and high temperature resistance ability when using, however, compressive property is relatively poor, only adopt the rigid design of anti-pressure layer, toughness is comparatively not enough, still lead to tubular product to be crushed and split easily, great influence life, be difficult to satisfy diversified demand, for this we have proposed a PVC tubular product of life of a specified duration, in order to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PVC tubular product of life of a specified duration to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PVC pipe with long service life comprises a PVC pipe body, wherein the outer surface of the PVC pipe body is provided with a reinforcing layer, the surface of the PVC pipe body is provided with four insertion blocks which are arranged on the surface of the PVC pipe body in an encircling manner at equal intervals, the outer surface of the reinforcing layer is provided with a flame-retardant layer, and the outer surface of the flame-retardant layer is provided with an anti-oxidation layer;

the enhancement layer includes the withstand voltage cover, the inserted groove rather than the cooperation use is seted up to withstand voltage cover inner wall and the position that corresponds the inserted block, the inside position that just is located between two adjacent inserted grooves of withstand voltage cover has seted up the cavity, the inside of cavity is equipped with the arc clamp plate, the both ends of arc clamp plate respectively with the both sides sliding connection of cavity inner wall, the outside fixedly connected with connecting block of arc clamp plate, the one side that the arc clamp plate was kept away from to the connecting block is connected with the inner wall fixed connection of cavity, the inboard of arc clamp plate is equipped with powerful spring, powerful spring keeps away from the one end and the cavity inner wall fixed connection of arc clamp plate.

Preferably, the outer surface of the pressure-resistant sleeve is fixedly connected with the inner wall of the flame-retardant layer, and the outer surface of the PVC pipe body on the inner wall of the pressure-resistant sleeve is fixedly connected.

Preferably, an inner anti-corrosion layer is fixedly connected to the inner wall of the PVC pipe body, and an outer anti-corrosion layer is fixedly connected to the outer surface of the anti-corrosion layer.

Preferably, the inner anti-corrosion layer and the outer anti-corrosion layer both adopt epoxy anti-corrosion paint, and the cross section thicknesses of the inner anti-corrosion layer and the outer anti-corrosion layer are the same.

Preferably, the inner wall of the insertion groove is fixedly connected with a rubber pad, and one side of the rubber pad, which is close to the insertion block, is in contact with the insertion block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up fire-retardant layer and oxidation barrier, protect the processing to interior well PVC tubular product, can improve the fire behavior and the oxidation resistance of PVC tubular product when using greatly, encircle simultaneously and set up four grafting blocks and the mutual joint of inserting groove on PVC tubular product body surface, can improve the anti torque capacity of tubular product, when tubular product pressurized, the connecting block drives the arc clamp plate and extrudees powerful spring, and the support of grafting block is inserted in the cooperation, the toughness of tubular product has been strengthened, avoid receiving great gravity and breaking, the life of tubular product has been improved, satisfy diversified user demand.

2. The utility model discloses a set up interior anti-corrosion coating and outer anti-corrosion coating, can follow the surface and the inner wall of tubular product and carry out anticorrosive treatment, prevent that tubular product from being applied to aquatic or earth, can be corroded by external impurity, cause the damage, influence life, through setting up the rubber pad, utilize the elasticity of rubber, can be when tubular product pressurized, coordinate powerful spring and play certain cushioning effect, improved the toughness of tubular product.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is a sectional view of the front view of the reinforcement layer of the present invention;

fig. 3 is a partial enlarged view of a-a in fig. 2 according to the present invention.

In the figure: the anti-corrosion PVC pipe comprises a PVC pipe body 1, a reinforcing layer 2, a pressure-resistant sleeve 21, an insertion groove 22, a cavity 23, an arc-shaped pressing plate 24, a connecting block 25, a strong spring 26, a rubber pad 27, an insertion block 3, a flame-retardant layer 4, an anti-oxidation layer 5, an inner anti-corrosion layer 6 and an outer anti-corrosion layer 7.

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. 1-3, a PVC pipe with a long service life includes a PVC pipe body 1, an inner anti-corrosion layer 6 is fixedly connected to an inner wall of the PVC pipe body 1, an enhancement layer 2 is arranged on an outer surface of the PVC pipe body 1, insertion blocks 3 are arranged on the surface of the PVC pipe body 1, the number of the insertion blocks 3 is four, the insertion blocks are arranged on the surface of the PVC pipe body 1 in an equidistant manner, a flame retardant layer 4 is arranged on the outer surface of the enhancement layer 2, an anti-oxidation layer 5 is arranged on the outer surface of the flame retardant layer 4, an outer anti-corrosion layer 7 is fixedly connected to the outer surface of the anti-oxidation layer 5, the inner anti-corrosion layer 6 and the outer anti-corrosion layer 7 are both made of epoxy anti-corrosion paint, and the cross-section thicknesses.

The enhancement layer 2 comprises a pressure-resistant sleeve 21, the outer surface of the pressure-resistant sleeve 21 is fixedly connected with the inner wall of the flame-retardant layer 4, the outer surface of the PVC pipe body 1 on the inner wall of the pressure-resistant sleeve 21 is fixedly connected, an inserting groove 22 matched with the pressure-resistant sleeve 21 is formed in the inner wall of the pressure-resistant sleeve 21 and corresponds to the inserting block 3, a rubber pad 27 is fixedly connected to the inner wall of the inserting groove 22, one side, close to the inserting block 3, of the rubber pad 27 is mutually contacted with the inserting block 3, a cavity 23 is formed in the pressure-resistant sleeve 21 and is positioned between two adjacent inserting grooves 22, an arc-shaped pressing plate 24 is arranged in the cavity 23, two ends of the arc-shaped pressing plate 24 are respectively in sliding connection with two sides of the inner wall of the cavity 23, a connecting block 25 is fixedly connected to the outer side of the arc-shaped pressing plate 24, one side, far away from the arc-shaped pressing plate 24, through the arrangement of the inner anti-corrosion layer 6 and the outer anti-corrosion layer 7, the outer surface and the inner wall of the pipe can be subjected to anti-corrosion treatment, the pipe is prevented from being applied to water or soil and being corroded by external impurities to cause damage, and the service life is influenced, through the arrangement of the rubber pad 27, the elasticity of rubber is utilized, when the pipe is pressed, a certain buffer effect can be realized by matching with the strong spring 26, the toughness of the pipe is improved, through the arrangement of the flame-retardant layer 4 and the anti-oxidation layer 5, the protection treatment can be performed on the inner PVC pipe and the middle PVC pipe in use, the fireproof performance and the anti-oxidation performance of the PVC pipe in use can be greatly improved, meanwhile, four insertion blocks 3 arranged on the surface of the PVC pipe body 1 in a surrounding mode are mutually clamped with the insertion grooves 22, the anti-torque capacity of the pipe can be improved, when the pipe is pressed, the connecting block 25 drives the arc-, the toughness of the pipe is strengthened, the pipe is prevented from being broken due to large gravity, the service life of the pipe is prolonged, and diversified use requirements are met.

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. The utility model provides a PVC tubular product of life of a specified duration, includes PVC tubular product body (1), its characterized in that: the outer surface of the PVC pipe body (1) is provided with a reinforcing layer (2), the surface of the PVC pipe body (1) is provided with inserting blocks (3), the number of the inserting blocks (3) is four, the inserting blocks are arranged on the surface of the PVC pipe body (1) in an encircling mode at equal intervals, the outer surface of the reinforcing layer (2) is provided with a flame-retardant layer (4), and the outer surface of the flame-retardant layer (4) is provided with an anti-oxidation layer (5);

the enhancement layer (2) comprises a pressure-resistant sleeve (21), the inner wall of the pressure-resistant sleeve (21) and the position corresponding to the insertion block (3) are provided with insertion grooves (22) matched with the insertion blocks for use, a cavity (23) is arranged in the pressure-resistant sleeve (21) and between two adjacent splicing grooves (22), an arc-shaped pressing plate (24) is arranged inside the cavity (23), two ends of the arc-shaped pressing plate (24) are respectively connected with two sides of the inner wall of the cavity (23) in a sliding way, the outer side of the arc-shaped pressing plate (24) is fixedly connected with a connecting block (25), one side of the connecting block (25) far away from the arc-shaped pressing plate (24) is fixedly connected with the inner wall of the cavity (23), the inner side of the arc-shaped pressing plate (24) is provided with a strong spring (26), and one end, far away from the arc-shaped pressing plate (24), of the strong spring (26) is fixedly connected with the inner wall of the cavity (23).

2. A long-life PVC pipe according to claim 1, characterized in that: the outer surface of the pressure-resistant sleeve (21) is fixedly connected with the inner wall of the flame-retardant layer (4), and the outer surface of the inner wall PVC pipe body (1) of the pressure-resistant sleeve (21) is fixedly connected.

3. A long-life PVC pipe according to claim 1, characterized in that: an inner anti-corrosion layer (6) is fixedly connected to the inner wall of the PVC pipe body (1), and an outer anti-corrosion layer (7) is fixedly connected to the outer surface of the anti-oxidation layer (5).

4. A long-life PVC pipe according to claim 3, characterized in that: the inner anti-corrosion layer (6) and the outer anti-corrosion layer (7) both adopt epoxy anti-corrosion paint, and the cross section thicknesses of the inner anti-corrosion layer (6) and the outer anti-corrosion layer (7) are the same.

5. A long-life PVC pipe according to claim 1, characterized in that: the rubber pad (27) is fixedly connected to the inner wall of the insertion groove (22), and one side, close to the insertion block (3), of the rubber pad (27) is in contact with the insertion block (3).