Novel ppr cold and hot water pipe

Abstract

The utility model relates to the technical field of water conveying pipelines, in particular to a novel ppr cold and hot water pipe which comprises a PPR inner pipe, a stainless steel pipe is arranged on the outer wall of the PPR inner pipe, a buffer protection layer is arranged between the outer wall of the PPR inner pipe and the inner wall of the stainless steel pipe, and a PVC outer pipe is arranged on the outer layer of the stainless steel pipe. The polytetrafluoroethylene layer is arranged on the inner wall of the PPR inner pipe, protection on the inner wall of the PPR inner pipe can be improved, the impact resistance and compression resistance of the exterior of the PPR inner pipe can be improved through the cooperation effect of the rubber outer layer, the jacking columns, the stainless steel pipe and the glass steel pipe, the use scene of the PPR inner pipe is widened, and the service life of the PPR inner pipe is prolonged. And a plurality of supporting layers do not need to be arranged in the PPR inner pipe, so that the liquid conveying efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pipeline technical field, concretely relates to a novel ppr cold and hot water pipe. BACKGROUND

[0002] PPR cold and hot water pipe is a kind of commonly used pipe material, PPR refers to polypropylene random copolymer, with excellent heat resistance and corrosion resistance.It is suitable for the transportation of cold and hot water, and is widely used in building waterway, including drinking water, heating system and the like.

[0003] Chinese patent publication number CN220396782U discloses a kind of novel PPR cold and hot water pipe, the patent technology is by setting first inner support support, second inner support support, support cushion block and stainless steel pipe, multi-layer support protection structure, improve the compression resistance of PPR pipe, applicable to a variety of complex use environment, improve the service life of PPR pipe;

[0004] But the above-mentioned patent technology in specific use, although it can play a certain protective effect, but its arc groove, first inner support support, support cushion block and second inner support support are all arranged in the pipeline interior, this will occupy the space inside pipeline, while water flow is too large, it will also impact the above-mentioned structural parts, it is easy to cause the influence to the stability of structure, and the space occupied more can cause the influence to the delivery efficiency of liquid, therefore, the above-mentioned patent technology has certain deficiency when implementing.

[0005] In summary, it is necessary to invent a kind of novel ppr cold and hot water pipe. CONTENT OF UTILITY MODEL

[0006] Therefore, the utility model provides a kind of novel ppr cold and hot water pipe to solve its arc groove, first inner support support, support cushion block and second inner support support are all arranged in the pipeline interior, this will occupy the space inside pipeline, and the space occupied more can cause the influence to the delivery efficiency of liquid.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of novel ppr cold and hot water pipe, including PPR inner tube, the outer wall of the PPR inner tube is provided with stainless steel pipe, the outer wall of the PPR inner tube and the inner wall of stainless steel pipe are provided with buffer protection layer, the outer layer of stainless steel pipe is provided with PVC outer tube.

[0008] Preferably, the inner wall of the PPR inner tube is fixed with a layer of protective polytetrafluoroethylene layer, and the thickness size of the polytetrafluoroethylene layer is less than the thickness size of the PPR inner tube.

[0009] Preferably, the buffer protection layer includes a rubber outer layer, and a plurality of rubber outer layers are uniformly arranged in an annular array, and the inner wall side end of the stainless steel pipe is provided with a jacking column.

[0010] Preferably, the plurality of pressing columns are uniformly arranged on the inner wall of the stainless steel pipe in the form of an annular array, and the number of the pressing columns is twice the number of the rubber outer layers.

[0011] Preferably, the outer wall side end of each of the rubber outer layers abuts against two of the pressing columns, and the diameter of the pressing columns is smaller than the diameter of the rubber outer layers.

[0012] Preferably, a glass steel pipe is arranged between the outer wall side end of the stainless steel pipe and the inner wall of the PVC outer pipe, the thickness of the glass steel pipe is greater than the thickness of the stainless steel pipe, and the thickness of the glass steel pipe is smaller than the thickness of the PVC outer pipe.

[0013] Preferably, the outer wall of the PVC outer pipe and the end away from the glass steel pipe are sprayed with a protective PE outer coating layer, and the thickness of the PE outer coating layer is 0.1mm-0.3mm.

[0014] The utility model discloses the beneficial effect is:

[0015] In the utility model, a layer of polytetrafluoroethylene layer is arranged on the inner wall of the PPR inner pipe, which can improve the protection of the inner wall of the PPR inner pipe, and the cooperation between the rubber outer layer, the pressing column, the stainless steel pipe and the glass steel pipe can improve the impact resistance and compression resistance of the PPR inner pipe, improve the use scene of the PPR inner pipe, and do not need to set multiple support layers in the PPR inner pipe, so as to ensure the conveying efficiency of the liquid. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model cross section;

[0017] Figure 2 It is the whole structure schematic view of the utility model cross section; Figure 1 It is the structure schematic view of the utility model A place enlarged;

[0018] Figure 3 It is the structure schematic view of the utility model B place enlarged; Figure 1 It is the structure schematic view of the utility model B place enlarged;

[0019] Figure 4 It is the structure schematic view of the utility model B place enlarged;

[0020] In the drawing: 100, PPR inner pipe;110, polytetrafluoroethylene layer;120, rubber outer layer;200, stainless steel pipe;210, pressing column;300, glass steel pipe;400, PVC outer pipe;500, PE outer coating layer. DETAILED DESCRIPTION

[0021] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0022] Referring to the drawings Figures 1-4 The utility model provides a novel ppr cold and hot water pipe, including PPR inner tube 100, the inner wall of PPR inner tube 100 is fixed with a layer of protective polytetrafluoroethylene layer 110, and the thickness size of polytetrafluoroethylene layer 110 is less than the thickness size of PPR inner tube 100, and the material of polytetrafluoroethylene layer 110 is selected to be polytetrafluoroethylene, and polytetrafluoroethylene is a special synthetic polymer, which has some unique physical and chemical properties, such as high temperature resistance, corrosion resistance and low friction coefficient, etc. It can improve the protection of the inner wall of PPR inner tube 100, and also can reduce the growth of bacteria, the outer wall of PPR inner tube 100 is provided with stainless steel pipe 200, the outer wall of PPR inner tube 100 and the inner wall of stainless steel pipe 200 are provided with buffer protection layer, and the buffer protection layer includes rubber outer layer 120, a plurality of rubber outer layers 120 are evenly arranged in the form of annular array, the rubber outer layer 120 can buffer and absorb the extrusion of the outer wall of the pipe body, so as to improve the impact resistance of the whole pipeline, and the stainless steel pipe 200 can cooperate with the glass steel pipe 300 to enhance the strength of the whole pipeline, the inner wall side end of stainless steel pipe 200 is provided with a jacking column 210, a plurality of jacking columns 210 are evenly arranged on the inner wall of stainless steel pipe 200 in the form of annular array, and the jacking column 210 is arranged to transmit the impact to the jacking column 210, so that the jacking column 210 can buffer and absorb the impact, and the jacking column 210 can be made of hard plastic material or the same material as the stainless steel pipe 200, the number of jacking columns 210 is twice the number of rubber outer layers 120, the outer wall side end of each rubber outer layer 120 abuts two jacking columns 210, the diameter size of jacking column 210 is less than the diameter size of rubber outer layer 120, and the size of rubber outer layer 120 is greater than that of jacking column 210, so as to better absorb the impact, and the outer wall of rubber outer layer 120 and jacking column 210 abuts, so as to absorb the impact.

[0023] The outer layer of the stainless steel pipe 200 is provided with a PVC outer pipe 400, the PVC outer pipe 400 is a widely used plastic pipe material, mainly made of polyvinyl chloride (PVC) material, when the PVC outer pipe 400 is provided as an outer pipe, the PVC outer pipe 400 has excellent corrosion resistance, insulation, waterproofness and improves the strength of the outer layer of the PPR inner pipe 100, a glass steel pipe 300 is arranged between the outer wall side end of the stainless steel pipe 200 and the inner wall of the PVC outer pipe 400, the thickness size of the glass steel pipe 300 is greater than the thickness size of the stainless steel pipe 200, the thickness size of the glass steel pipe 300 is less than the thickness size of the PVC outer pipe 400, the glass steel pipe 300 is a fiber reinforced plastic pipe which is a composite material pipe mainly made of glass fiber and resin, the glass steel pipe 300 has excellent corrosion resistance and impact resistance and toughness, the glass steel pipe 300 can improve the overall impact resistance of the pipe, the outer wall of the PVC outer pipe 400 and away from the glass steel pipe 300 is sprayed with a protective PE outer coating layer 500, the thickness size of the PE outer coating layer 500 is 0.1mm-0.3mm, and the PE outer coating layer 500 is mainly used for the protection of pipes, steel and the like, and has the characteristics of insulation, waterproofness and ultraviolet resistance, and can improve the protection of the outer wall of the pipe.

[0024] The use process of the utility model is as follows: the outer wall of the PPR inner pipe 100 is fixed with a protective polytetrafluoroethylene layer 110, then the outer wall of the PPR inner pipe 100 is bonded or hot-melted with a rubber outer layer 120, then the stainless steel pipe 200 is welded into a circular pipe, then the inner wall of the stainless steel pipe 200 is fixed with a circle of jacking columns 210, the position of the rubber outer layer 120 needs to correspond to the position of the jacking columns 210, and the jacking columns 210 and the rubber outer layer 120 are abutted, then some plastic particles are used on the opposite side of the PPR inner pipe 100 and the stainless steel pipe 200 to fill the gap between the rubber outer layer 120 and the jacking columns 210, so as to ensure the impact resistance of the whole pipe, finally, the glass steel pipe 300 and the PVC outer pipe 400 are fixed on the outer wall of the stainless steel pipe 200 in sequence, and then a PE outer coating layer 500 is sprayed on the PVC outer pipe 400 for external protection.

[0025] The above is only the preferred embodiment of the utility model, and any skilled person in the art can modify the technical solutions described above or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the utility model is within the scope of protection of the utility model.

Claims

1. A novel ppr cold and hot water pipe comprising a PPR inner tube (100), characterized in that: The outer wall of the PPR inner tube (100) is provided with a stainless steel tube (200), a buffer protection layer is arranged between the outer wall of the PPR inner tube (100) and the inner wall of the stainless steel tube (200), the buffer protection layer comprises a rubber outer layer (120), a plurality of rubber outer layers (120) are uniformly arranged in the form of an annular array, the inner wall side end of the stainless steel tube (200) is provided with a jacking column (210), and the outer layer of the stainless steel tube (200) is provided with a PVC outer tube (400).

2. A novel ppr cold and hot water pipe according to claim 1, characterized in that: The inner wall of the PPR inner tube (100) is fixed with a protective polytetrafluoroethylene layer (110), and the thickness size of the polytetrafluoroethylene layer (110) is smaller than that of the PPR inner tube (100).

3. A novel ppr hot and cold water pipe according to claim 2, characterized in that: A plurality of jacking columns (210) are uniformly arranged on the inner wall of the stainless steel tube (200) in the form of an annular array, and the number of the jacking columns (210) is twice the number of the rubber outer layers (120).

4. The novel ppr cold and hot water pipe according to claim 3, characterized in that: The outer wall side end of each rubber outer layer (120) abuts against two jacking columns (210), and the diameter size of the jacking column (210) is smaller than that of the rubber outer layer (120).

5. The novel ppr hot and cold water pipe according to claim 1, characterized in that: The outer wall side end of the stainless steel tube (200) and the inner wall of the PVC outer tube (400) are provided with a glass steel tube (300), the thickness size of the glass steel tube (300) is greater than that of the stainless steel tube (200), and the thickness size of the glass steel tube (300) is smaller than that of the PVC outer tube (400).

6. A novel ppr hot and cold water pipe according to claim 5, characterized in that: The outer wall of the PVC outer tube (400) and the end away from the glass steel tube (300) are sprayed with a protective PE outer coating layer (500), and the thickness size of the PE outer coating layer (500) is 0.1mm-0.3mm.

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