CN212564785U

CN212564785U - Novel prevent frostbite and split PE pipe

Info

Publication number: CN212564785U
Application number: CN202021087809.XU
Authority: CN
Inventors: 罗晓虹; 钟家俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-14
Filing date: 2020-06-14
Publication date: 2021-02-19
Anticipated expiration: 2030-06-14

Abstract

The utility model relates to a PE manages technical field, specifically is a novel prevent frostbite and split PE pipe, including the inner tube, the outward appearance of inner tube is personally submitted the surrounding type equidistance and has welded the strengthening rib, and has cup jointed first protective tube and second protection tube respectively at the surface both ends of inner tube, the big or small diameter of first protective tube and second protection tube equals, first go-between has been cup jointed at the both ends of first protective tube, and has cup jointed the second go-between at the both ends of second protection tube, the surface injection of inner tube has the spraying plastics layer. Four cavitys are seted up to this device, fill silica gel around the cavity and increase elasticity and compressive capacity, and the cavity can also provide the space for the water freezes and expanded volume simultaneously, reduces ice internal pressure, prevents that the water pipe from splitting because of receiving too big pressure, and this device has cup jointed the protection tube including the outside of tubes simultaneously, and the temperature of inner tube not only can be guaranteed in the protection through the protection of protection tube, can also improve the antioxidant capacity of inner tube, improves the life of inner tube.

Description

Novel prevent frostbite and split PE pipe

Technical Field

The utility model relates to a PE manages technical field, specifically is a novel prevent frostbite and split PE pipe.

Background

The PE water pipe is a replacement product of the traditional steel pipe and the traditional polyvinyl chloride drinking water pipe, has the characteristics of wear resistance, high temperature resistance, high pressure resistance and the like, gradually replaces the market status of the traditional pipes such as a steel pipe and a cement pipe, and is particularly preferred as the pipe is light in weight, convenient to install and move and is a novel material.

At present, under the condition of low temperature or other severe weather conditions, the technology for preventing the expansion crack of the pipe caused by the icing of water in the pipe is to add a heat-insulating layer outside the pipe, but at minus dozens to dozens of degrees, even if the heat-insulating layer is additionally added to the water pipe, the water in the pipe is still iced, and the expansion crack of the water pipe can still be caused. Accordingly, one skilled in the art provides a new anti-freeze PE pipe to solve the above-mentioned problems of the background art.

Disclosure of Invention

An object of the utility model is to provide a novel prevent frostbite and split PE pipe 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: the utility model provides a novel prevent frostbite and split PE pipe, includes the inner tube, the outward appearance of inner tube is personally submitted the surrounding type equidistance and has been welded and connect the strengthening rib, and has cup jointed first protective tube and second protection tube respectively at the surface both ends of inner tube, the big or small diameter of first protective tube and second protection tube equals, first connecting ring has been cup jointed at the both ends of first protective tube, and has cup jointed the second connecting ring at the both ends of second protection tube, the surface of inner tube sprays has the layer of spraying plastics, and is located the low side laid metal mesh on the layer of spraying plastics in the inner tube, the inner wall of inner tube has been paintd the PE layer, the cavity has been seted up for just being located between metal mesh and the PE layer in the inner tube inscribing.

As a further aspect of the present invention: the inner diameter of the first protection pipe and the outer diameter of the second protection pipe are equal to the outer diameter of the inner pipe, and tooth grooves corresponding to the reinforcing ribs are formed in the inner walls of the first protection pipe and the second protection pipe.

As a further aspect of the present invention: silica gel is filled around just being located the cavity in the inner tube, silica gel parcel metal mesh.

As a further aspect of the present invention: the number of the cavities is four, the cavities are arranged in the inner pipe in a cross shape, and the length of the cavities is equal to one half of the radius of the inner pipe.

As a further aspect of the present invention: the first connecting ring is provided with a connecting column in a penetrating mode, a spring is transversely arranged in the first connecting ring, and the spring is sleeved on the connecting column.

As a further aspect of the present invention: the tip butt fusion of spliced pole has the expansion head, and expands overhead lamella form leaf that is equipped with, the whole conical structure that is of expansion head, and the bottom diameter of expansion head is the twice of the cross section diameter of spliced pole.

As a further aspect of the present invention: the second connecting ring is provided with connecting holes, the connecting holes are formed in the second connecting ring in a surrounding mode at equal intervals, and the forming width of the connecting holes is equal to the radius of the bottom of the expansion head.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is characterized in that the annular cavity is arranged in the PE layer to form the interlayer, the interlayer is layered, the heat energy needs to be conducted by a heat conductor, the vacuum does not conduct heat, so the vacuum heat preservation technology is called interlayer heat preservation, the hot water bottle liner utilizes the principle, but absolute vacuum can not be achieved, the air density of the heat insulation layer is lower, the heat preservation performance is better, but the device does not need the strict interlayer technology, meanwhile, the device is mostly embedded in a wall body or a ground to play a certain heat preservation role, four cavities are arranged on the device, silica gel is filled around the cavities to increase the elasticity and the pressure resistance, the cavities can provide space for the volume expanded by freezing water, the ice internal pressure is reduced, the water pipe is prevented from being burst due to the overlarge pressure, meanwhile, the device is sleeved with the protection pipe outside the inner pipe, the temperature of the inner pipe can be ensured through the protection of the protection pipe, the oxidation resistance of the inner pipe can be improved, and the service life of the inner pipe is prolonged.

Drawings

FIG. 1 is a schematic structural view of a novel frost crack prevention PE pipe;

FIG. 2 is a schematic structural diagram of a cross section of an inner pipe in a novel frost crack prevention PE pipe;

fig. 3 is a schematic view of a connection structure of a protection pipe in a novel frost crack prevention PE pipe.

In the figure: 1. an inner tube; 2. a first connecting ring; 3. connecting columns; 4. a first protective tube; 5. an expansion head; 6. reinforcing ribs; 7. a second protection tube; 8. connecting holes; 9. a second connection ring; 10. spraying a plastic layer; 11. a metal mesh; 12. a cavity; 13. A PE layer; 14. a spring; 15. a petaloid leaf.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention: the utility model provides a novel prevent frostbite and split PE pipe, including inner tube 1, the surface of inner tube 1 is the welding of surrounding type equidistance has strengthening rib 6, and first protective tube 4 and second protective tube 7 have been cup jointed respectively at the surface both ends of inner tube 1, the big or small diameter of first protective tube 4 and second protective tube 7 equals, first go-between 2 has been cup jointed at the both ends of first protective tube 4, and second go-between 9 has been cup jointed at the both ends of second protective tube 7, the surface injection of inner tube 1 has plastic spraying layer 10, and the metal mesh 11 has been laid to the low side that lies in plastic spraying layer 10 in inner tube 1, the inner wall of inner tube 1 has been smeared PE layer 13, cavity 12 has been seted up for just being located between metal mesh 11 and the PE layer 13 to inner tube 1 inscribe.

In fig. 1, first protective tube 4 and second protective tube 7 internal diameter and inner tube 1 external diameter equal, and the tooth's socket that corresponds with strengthening rib 6 is seted up to the inner wall of first protective tube 4 and second protective tube 7, the temperature of inner tube 1 not only can be guaranteed in the protection through first protective tube 4 and second protective tube 7, can also improve the oxidation resistance of inner tube 1, improve the life of inner tube 1, the purpose that the diameter of first protective tube 4 and second protective tube 7 set up is for laminating that can be tight when cup jointing on the inner tube 1, can not produce and rock, can prevent simultaneously that external impurity from adsorbing on the inner tube 1.

In fig. 2, silica gel is filled in the inner tube 1 and around the cavity 12, the silica gel wraps the metal mesh 11, the silica gel serves to integrate the metal mesh 11 with the inner tube 1, and the tensile strength and flexibility of the inner tube 1 are improved by the metal mesh 11, so that in an exposed environment, the metal mesh 11 can protect the inner tube 1 from being broken by the expansion force of the frozen water even when the water in the inner tube 1 is frozen.

In fig. 2, the number of the cavities 12 is four, the cavities 12 are arranged in the inner pipe 1 in a cross shape, the length of the cavities 12 is equal to one half of the radius of the inner pipe 1, the cavities 12 form interlayers, heat energy needs to be conducted by heat conductors, and the vacuum heat insulation technology is beneficial to heat insulation so that the interlayer heat insulation is called, so that the air density of the heat insulation layer is lower, the heat insulation performance is better, but the device does not need the interlayer technology which is strict, meanwhile, most of the device is embedded in a wall body or a ground to play a certain heat insulation role, therefore, the four cavities 12 are arranged in the device, silica gel is filled around the cavities 12 to increase the elasticity and the pressure resistance, meanwhile, the cavities 12 can provide a space for the volume expanded due to icing of water, the pressure intensity in ice is reduced, and the inner pipe 1 is prevented from being burst due to.

In fig. 3, the connection column 3 is arranged on the first connection ring 2 in a penetrating manner, the spring 14 is transversely arranged in the first connection ring 2, the spring 14 is sleeved on the connection column 3, the connection column 3 passes through the connection hole 8 on the second connection ring 9 to complete the butt joint of the first protection tube 4 and the second protection tube 7, and the spring 14 is used for providing a backward force for the connection column 3 so that the expansion head 5 is attached to the second connection ring 9 to complete the fixed connection.

In fig. 3, the tip butt fusion of spliced pole 3 has expansion head 5, and is equipped with lamella form leaf 15 on the expansion head 5, and expansion head 5 wholly is conical structure, and the bottom diameter of expansion head 5 is the twice of spliced pole 3's cross section diameter, has lamella form leaf 15 above the expansion head 5, is equipped with the space between lamella form leaf 15 and can contracts, can contract when expansion head 5 gets into connecting hole 8, when expansion head 5 passes through connecting hole 8, lamella form leaf 15 opens and accomplishes the conflict.

In fig. 1, the second connection ring 9 is provided with connection holes 8, the connection holes 8 are circumferentially and equidistantly formed in the second connection ring 9, the width of the connection holes 8 is equal to the radius of the bottom of the expansion head 5, and the connection holes 8 provide a passage for the expansion head 5 to pass through.

The utility model discloses a theory of operation is: before the device is used, a first protection pipe 4 and a second protection pipe 7 are sleeved on an inner pipe 1, a connecting column 3 on a first connecting ring 2 at the end part of the first protection pipe 4 penetrates through a connecting hole 8 on a second connecting ring 9 to complete butt joint of the first protection pipe 4 and the second protection pipe 7, a spring 14 is used for providing backward force for the connecting column 3 so as to enable an expansion head 5 to be attached to the second connecting ring 9 to complete fixed connection, a petal-shaped leaf 15 is arranged on the expansion head 5, a gap is arranged between the petal-shaped leaves 15 to be contracted, the expansion head 5 can be contracted when entering the connecting hole 8, the petal-shaped leaves 15 are opened to complete collision when the expansion head 5 passes through the connecting hole 8, a reinforcing rib 6 and a plastic spraying layer 10 improve the strength of the inner pipe 1 when the device is used, a cavity 12 forms an interlayer, heat conductor is required to conduct heat, the heat conductor is not required to conduct heat because the vacuum, so the vacuum heat, therefore, the lower the air density of the heat insulation layer is, the better the heat insulation performance is, but the device does not need the strict interlayer technology, and meanwhile, the device is mostly embedded in a wall body or the ground to play a certain heat insulation role, so that four cavities 12 are formed in the device, silica gel is filled around the cavities 12 to increase the elasticity and the pressure resistance, and meanwhile, the cavities 12 can also provide a space for the volume expanded by the frozen water, so that the pressure in ice is reduced, and the inner pipe 1 is prevented from being burst due to the overlarge pressure.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel prevent frostbite and split PE pipe, includes inner tube (1), its characterized in that: the surface of inner tube (1) is the butt fusion of surrounding type equidistance and has had strengthening rib (6), and has cup jointed first protective tube (4) and second protective tube (7) respectively at the surface both ends of inner tube (1), the big or small diameter of first protective tube (4) and second protective tube (7) equals, first go-between (2) have been cup jointed at the both ends of first protective tube (4), and the both ends of second protective tube (7) have cup jointed second go-between (9), the surface injection of inner tube (1) has plastic-sprayed layer (10), and the low side that is located plastic-sprayed layer (10) in inner tube (1) has laid metal mesh (11), the inner wall of inner tube (1) has been painted PE layer (13), inner tube (1) inscribe is just to be located and has seted up cavity (12) between metal mesh (11) and PE layer (13).

2. The novel anti-frost-crack PE pipe as claimed in claim 1, wherein the inner diameters of the first protection pipe (4) and the second protection pipe (7) are equal to the outer diameter of the inner pipe (1), and tooth grooves corresponding to the reinforcing ribs (6) are formed in the inner walls of the first protection pipe (4) and the second protection pipe (7).

3. The novel anti-frost-cracking PE pipe as claimed in claim 1, wherein the inner pipe (1) is filled with silica gel around the cavity (12), and the silica gel wraps the metal mesh (11).

4. The novel anti-frost-cracking PE pipe as claimed in claim 1, wherein the number of the cavities (12) is four, the cavities (12) are opened in the inner pipe (1) in a cross shape, and the opening length of the cavities (12) is equal to one half of the radius of the inner pipe (1).

5. The novel frost crack prevention PE pipe as claimed in claim 1, wherein the connecting column (3) is arranged on the first connecting ring (2) in a penetrating manner, the spring (14) is transversely arranged in the first connecting ring (2), and the spring (14) is sleeved on the connecting column (3).

6. The novel frost crack prevention PE pipe according to claim 5, wherein: the spliced pole (3) tip welded joint has expansion head (5), and is equipped with lamella form leaf (15) on expansion head (5), expansion head (5) wholly is conical structure, and the bottom diameter of expansion head (5) is the twice of the cross section diameter of spliced pole (3).

7. The novel anti-frost-cracking PE pipe as claimed in claim 6, wherein the second connecting ring (9) is provided with connecting holes (8), the connecting holes (8) are circumferentially and equidistantly formed in the second connecting ring (9), and the forming width of the connecting holes (8) is equal to the bottom radius of the expansion head (5).