High-strength double-layer heat insulation PE pipe
By adding a protective plate to the outside of the PE pipe and setting a double-layer insulation layer inside, the problem of poor insulation effect of existing PE pipes is solved, and the protection and insulation performance of PE pipes are improved.
Patent Information
- Application Number
- CN202520077916.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The lack of effective thermal insulation in existing PE pipes leads to increased energy loss during media transportation and reduces the working efficiency of the pipeline system.
A protective plate is added to the outside of the PE pipe and fixed by bolts and nuts. A double-layer insulation layer is set inside, with the first insulation layer made of polyurethane foam and the second insulation layer made of foamed glass insulation board. The components are connected by PE glue.
It protects the PE pipe from scratches, while improving the insulation effect, reducing energy loss, enhancing the pipe's thermal insulation performance, and resisting chemical corrosion.
Smart Images

Figure CN223524651U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PE pipe technical field especially a kind of double-layer heat insulation PE pipe of high strength. BACKGROUND
[0002] PE pipe is the pipeline made of polyethylene as main material, application range is wide, from being used for natural gas small section yellow pipe to 48in diameter thick wall black pipe for industrial and urban pipeline, large diameter hollow wall pipe is used as rainwater drainage pipe and other sewer pipeline substitutes made of concrete grow rapidly, with excellent resistance to most of the characteristics of life and industrial chemicals, pipeline has good electrical performance, especially high insulation dielectric strength, make it very suitable for wire and cable, middle to high molecular weight grade has excellent impact resistance, even at room temperature or even at-40F low temperature.
[0003] The prior art in the above has the following defects: the existing PE pipe lacks effective heat insulation structure, the original heat insulation structure is too single, and the heat preservation effect is limited, so that the energy loss of medium in the conveying process is increased, and the working efficiency of the pipeline system is reduced. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of double-layer heat insulation PE pipe of high strength.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of double-layer heat insulation PE pipe of high strength, including PE pipe main body, the inside of the PE pipe main body is provided with PE inner tube, the outside of the PE pipe main body is provided with PE outer tube, the outside of the PE outer tube is sleeved with fixed part, the outside of the fixed part is fixedly connected with fixed block, the inside of the fixed block is inserted with bolt, the outside of the bolt is provided with nut, the inside of the fixed part is provided with fixed slot.
[0007] By adopting the above technical scheme, the protective plate is increased on the outside of PE pipe, and the outside of PE pipe is protected by the protective plate, to prevent PE pipe from being scratched, the protective plate can be engaged and installed in the inside of fixed part, and the fixed part can be locked and fixed by the connecting mode of bolt and nut, to facilitate better installation and disassembly.
[0008] Further, the protective plate is installed between the fixed part, the first recess is reserved between the PE pipe main body and PE inner tube, the second recess is reserved between the PE pipe main body and PE outer tube, the first heat insulation layer is arranged in the inside of the first recess, and the second heat insulation layer is arranged in the inside of the second recess.
[0009] By adopting the above technical scheme, the double-layer heat insulation material can provide heat insulation effect for the PE pipe, the first heat insulation layer adopts polyurethane foam, which can provide waterproof and heat insulation effect, and the second heat insulation layer adopts foamed glass insulation board, which can resist the erosion of various chemical substances.
[0010] Further, the fixing piece, the fixing block, the bolt, the nut, the fixing groove and the protective plate are respectively provided with two groups of symmetrical structures, and each group of the fixing piece, the fixing block, the bolt, the nut and the fixing groove is provided with two.
[0011] By adopting the above technical scheme, the symmetrical structure can be better assembled and installed, and the later use is facilitated.
[0012] Further, the bolt extends to the outside of the fixing block through the fixing block, the bolt and the nut are threadedly connected, and the protective plate and the fixing groove are clamped and connected.
[0013] By adopting the above technical scheme, the two groups of protective plates can be assembled and installed through the locking connection of the bolt and the nut.
[0014] Further, the first heat insulation layer is connected to the inside of the first groove through PE glue, and the second heat insulation layer is connected to the inside of the second groove through PE glue.
[0015] By adopting the above technical scheme, the heat insulation layer, the PE pipe body, the PE inner pipe and the PE outer pipe are connected through the glue, and the use is facilitated.
[0016] In summary, the beneficial technical effects of the utility model are as follows:
[0017] The PE inner pipe, the PE pipe body, the PE outer pipe, the fixing piece and the protective plate are adopted, the protective plate is arranged on the outer side of the pipe, the pipe can be protected through the protective plate, the outer side of the PE pipe is prevented from being scratched, the protective plate is arranged in the fixing piece, the clamping is realized through the fixing groove, the locking and fixing are realized through the bolt and the nut, the overall structure is convenient to assemble and disassemble, the heat insulation layer is arranged in the PE pipe, the heat insulation effect of the PE pipe is improved through the heat insulation layer, and the effects of efficient heat insulation, heat preservation and safety protection are realized. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an overall structure schematic view of the utility model;
[0019] Figure 2 It is a split structure schematic view of the utility model;
[0020] Figure 3 It is a protective plate three-dimensional structure schematic view of the utility model;
[0021] Figure 4 The utility model discloses a sectional structure schematic diagram.
[0022] In the drawing, 1, PE inner tube, 2, PE pipe main body, 3, PE outer tube, 4, fixed part, 5, fixed block, 6, bolt, 7, nut, 8, fixed groove, 9, guard plate, 10, first recess, 11, second recess, 12, first heat insulation layer, 13, second heat insulation layer. DETAILED DESCRIPTION
[0023] The utility model discloses make further detailed instructions in combination with the drawings.
[0024] Reference Figures 1-4 A kind of high-strength double-layer heat insulation PE pipe, including PE pipe main body 2, the inside of PE pipe main body 2 is provided with PE inner tube 1, the outside of PE pipe main body 2 is provided with PE outer tube 3, PE outer tube 3 is sleeved with fixed part 4 on the outside, fixed part 4 is fixedly connected with fixed block 5 on the outside, bolt 6 is inserted in the inside of fixed block 5, nut 7 is provided on the outside of bolt 6, fixed groove 8 is set in the inside of fixed part 4, guard plate 9 is installed between fixed part 4, first recess 10 is reserved between PE pipe main body 2 and PE inner tube 1, second recess 11 is reserved between PE pipe main body 2 and PE outer tube 3, first heat insulation layer 12 is provided in the inside of first recess 10, second heat insulation layer 13 is provided in the inside of second recess 11, guard plate 9 is increased on the outside of PE pipe, and simultaneously provide protection to the outside of PE pipe by guard plate 9, prevent PE pipe from being scratched, guard plate 9 can be engaged and installed in the inside of fixed part 4, and simultaneously by the connecting mode of bolt 6 and nut 7, fixed part 4 can be locked and fixed, conveniently better installation and disassembly are carried out, heat insulation material is increased in the inside, and the effect that PE pipe is provided with heat insulation and heat preservation can be provided by double-layer heat insulation material, first heat insulation layer 12 adopts polyurethane foam, and can play the effect of waterproof and heat preservation, second heat insulation layer 13 adopts foamed glass heat preservation board, and can resist the erosion of various chemical substances.
[0025] As Figures 1-4 Indicated, fixed part 4, fixed block 5, bolt 6, nut 7, fixed groove 8 and guard plate 9 are respectively arranged with two groups of symmetry, and each group of fixed part 4, fixed block 5, bolt 6, nut 7 and fixed groove 8 is provided with two, bolt 6 extends to the outside of fixed block 5 by passing through fixed block 5, bolt 6 and nut 7 are threadedly connected, guard plate 9 and fixed groove 8 are engaged and connected, first heat insulation layer 12 is connected in the inside of first recess 10 by PE glue, and second heat insulation layer 13 is connected in the inside of second recess 11 by PE glue.
[0026] The principle of the embodiment is that when in use, the fixing members 4 are installed to the outer side of the PE pipe, the protective plates 9 are installed and clamped to the inner side of the fixing grooves 8, then the fixing members 4 at both ends of the protective plates 9 are clamped in place, then the bolts 6 pass through the fixing blocks 5 outside the two groups of fixing members 4, and then the nuts 7 are locked and fixed to fix the protective plates 9, the outer side of the PE pipe is protected through the protective plates 9, meanwhile, the PE pipe has the first heat insulation layer 12 and the second heat insulation layer 13, the first heat insulation layer 12 adopts polyurethane foam, can have the waterproof and heat preservation effect on the inside, meanwhile, the second heat insulation layer 13 adopts foamed glass insulation board, can resist the erosion of various chemical substances, prevents the serious corrosion of the pipe inside caused by the part of chemical substances in the outside, effectively protects the pipe.
[0027] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A high-strength double-layer thermal-insulated PE pipe comprising a PE pipe body (2), characterized in that: The inside of the PE pipe body (2) is provided with a PE inner pipe (1), the outside of the PE pipe body (2) is provided with a PE outer pipe (3), the outside of the PE outer pipe (3) is sleeved with a fixing piece (4), the outside of the fixing piece (4) is fixedly connected with a fixing block (5), the inside of the fixing block (5) is inserted with a bolt (6), the outside of the bolt (6) is provided with a nut (7), and the inside of the fixing piece (4) is provided with a fixing groove (8).
2. The high-strength double-layered insulated PE pipe according to claim 1, characterized in that: The fixing piece (4) is provided with a protection plate (9), the PE pipe body (2) and the PE inner pipe (1) are reserved with a first groove (10), the PE pipe body (2) and the PE outer pipe (3) are reserved with a second groove (11), the inside of the first groove (10) is provided with a first heat insulation layer (12), and the inside of the second groove (11) is provided with a second heat insulation layer (13).
3. The high-strength double-layered insulated PE pipe according to claim 2, characterized in that: The fixing piece (4), the fixing block (5), the bolt (6), the nut (7), the fixing groove (8) and the protection plate (9) are respectively provided with two groups of symmetrical structures, and each group of the fixing piece (4), the fixing block (5), the bolt (6), the nut (7) and the fixing groove (8) is provided with two.
4. The high-strength double-layered insulated PE pipe according to claim 2, characterized in that: The bolt (6) extends to the outside of the fixing block (5) through the fixing block (5), the bolt (6) and the nut (7) are screwed, and the protection plate (9) and the fixing groove (8) are clamped and connected.
5. The high-strength double-layered insulated PE pipe according to claim 2, characterized in that: The first heat insulation layer (12) is connected in the inside of the first groove (10) by being pasted with PE glue, and the second heat insulation layer (13) is connected in the inside of the second groove (11) by being pasted with PE glue.