Heat preservation composite flat pipe

Abstract

The utility model discloses a heat preservation composite flat pipe which comprises a working pipe, a protective pipe and a supporting structure, the cross section of the protective pipe is oval, the working pipe axially penetrates through the protective pipe, the supporting structure comprises a plurality of supporting rods arranged between the working pipe and the protective pipe in the circumferential direction, the inner ends of the supporting rods are fixedly connected with the working pipe, and the outer ends of the supporting rods abut against the inner wall of the protective pipe. The supporting structures are sequentially arranged in the axial direction of the working pipe, heat preservation materials are filled between the protective pipe and the working pipe, the composite flat pipe further comprises plugs, and the plugs are arranged at the two ends of the working pipe in a sleeving mode and cover the two ends of the protective pipe. The utility model provides a heat preservation composite flat pipe which is easy to machine and reduces wall surface holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thermal insulation pipe technical field especially relates to a thermal insulation composite flat pipe. BACKGROUND

[0002] The conventional thermal insulation pipe such as the patent shown in application no. CN201621431549.7 adopts multilayer thermal insulation structure, and needs layer-by-layer processing when processing the above-mentioned thermal insulation pipe, and the processing is complicated, and the whole thermal insulation pipe is circular, and the outer diameter is large, and the hole in the wall surface is too large when penetrating the wall. UTILITY MODEL CONTENTS

[0003] The utility model discloses in order to solve the existing thermal insulation pipe processing complicated, the hole in the wall surface is too large when penetrating the wall, proposes a thermal insulation composite flat pipe, and processing is simple, and the hole in the wall surface is reduced.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A kind of thermal insulation composite flat pipe, including working pipe, pipe and support structure, pipe cross section is oval, working pipe axially penetrates pipe, support structure includes the multiple support rods being set between working pipe and pipe along circumference, support rod inner end is fixedly connected with working pipe, support rod outer end is in contact with the inner wall of pipe, support structure is provided with multiple, sequentially arranged along the axial direction of working pipe, pipe and working pipe are filled with thermal insulation material, composite flat pipe further includes plug, plug is sleeved in working pipe both ends and covers pipe both ends.

[0006] Through the above-mentioned setting, pipe cross section is oval, height is smaller, and the hole in the wall surface can be reduced;It is kept warm by the thermal insulation material filled between pipe and working pipe, simplifies the layered structure of traditional thermal insulation pipe, and facilitates processing.

[0007] Further, the thermal insulation material is set as foamed polyurethane, and the plug is provided with a vent hole.

[0008] Through the above-mentioned setting, composite flat pipe is light in quality, and the thermal insulation effect is good.

[0009] Further, the support structure includes four support rods, which are arranged in an X shape, and four reinforcing ribs corresponding to the support rods are fixedly connected to the inner wall of the pipe, the reinforcing ribs are arranged parallel to the working pipe, and the inner side of the reinforcing ribs is in contact with the outer end of the support rods.

[0010] Through the above-mentioned setting, the stability of working pipe is increased.

[0011] Further, the end of the reinforcing rib is provided with a chamfer.

[0012] Through the above-mentioned setting, the support rod is conveniently slid into the pipe, and then the working pipe is conveniently penetrated into the pipe.

[0013] Further, the plug is internally provided with a boss matched with the protective pipe, the boss edge is provided with an avoiding slot for avoiding the reinforcing rib, and the boss is embedded in the protective pipe.

[0014] Through the above setting, the plug has good sealing performance.

[0015] Further, the material of the protective pipe is PVC.

[0016] Through the above setting, the protective pipe has good strength and weather resistance.

[0017] Further, the material of the working pipe is PPR.

[0018] Through the above setting, it is beneficial to reduce the weight of the composite flat pipe and facilitate the workers to carry out construction. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a schematic view of the composite flat pipe of the embodiment.

[0020] Fig. 2 It is a sectional view of the composite flat pipe of the embodiment.

[0021] Fig. 3 It is a schematic view of the internal part of the composite flat pipe of the embodiment.

[0022] Fig. 4 It is a schematic view of the plug of the embodiment. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be further specifically explained below by means of embodiments and in combination with the drawings.

[0024] As shown in the drawings, Figs. 1 to 4 A heat preservation composite flat pipe comprises a working pipe 2, a protective pipe 3 and a support structure 4, the cross section of the protective pipe 3 is elliptical, the working pipe 2 axially penetrates the protective pipe 3, the support structure 4 comprises a plurality of support rods 5 arranged between the working pipe 2 and the protective pipe 3 in the circumferential direction, the inner end of the support rod 5 is fixedly connected with the working pipe 2, the outer end of the support rod 5 abuts against the inner wall of the protective pipe 3, the support structure 4 is provided with a plurality of support structures arranged in sequence along the axial direction of the working pipe 2, the protective pipe 3 and the working pipe 2 are filled with a heat preservation material 7, and the composite flat pipe further comprises a plug 6, the plug 6 is sleeved on both ends of the working pipe 2 and covers both ends of the protective pipe 3.

[0025] Through the above setting, the cross section of the protective pipe 3 is elliptical, the height is smaller, and the wall surface opening can be reduced; the heat preservation material 7 filled between the protective pipe 3 and the working pipe 2 is used for heat preservation, the layered structure of the traditional heat preservation pipe is simplified, and the processing is facilitated.

[0026] The working pipe 2 of the application is a circular pipe, the cross section of the protective pipe 3 is an ellipse, the transverse width of the protective pipe 3 is basically the same as the outer diameter of the traditional heat preservation pipe, and the height is smaller than the outer diameter of the traditional heat preservation pipe, so that the cross section area of the composite flat pipe of the application is smaller than that of the traditional heat preservation pipe, and the hole on the wall surface is smaller when penetrating the wall; the protective pipe 3 can also prevent the internal heat preservation material 7 from aging and has good strength to protect the internal working pipe 2; the support rod 5 supports the working pipe 2 to prevent the working pipe 2 from being eccentric; the plug is provided with a circular hole matched with the working pipe, which is convenient for sleeving on the working pipe, the plug 6 plugs the two ends of the protective pipe 3 to prevent the heat preservation material 7 from coming out of the two ends of the protective pipe 3. The support structure is specifically provided with one every 100 cm to ensure that the working pipe 2 is coaxially and stably arranged in the protective pipe.

[0027] As an implementation manner, the heat preservation material 7 is set as foamed polyurethane, and the plug 6 is provided with an exhaust hole 8.

[0028] Through the above setting, the composite flat pipe has light quality and good heat preservation and insulation effect.

[0029] Foamed polyurethane has the characteristics of light quality and good heat preservation and insulation effect, the plug 6 is provided with an exhaust hole 8, and foaming is facilitated.

[0030] As an implementation manner, the support structure 4 includes four support rods 5 arranged in an X shape, and the protective pipe 3 is fixedly connected with four reinforcing ribs 9 corresponding to the support rods 5, the reinforcing ribs 9 are arranged in parallel with the working pipe 2, and the inner side of the reinforcing rib 9 abuts against the outer end of the support rod 5.

[0031] Through the above setting, the stability of the working pipe 2 is increased.

[0032] The support rod 5 of the application basically extends along the radial direction of the working pipe 2, the four support rods 5 prevent the working pipe 2 from being eccentric in the protective pipe 3, the reinforcing rib 9 is integrally formed with the protective pipe 3 to increase the strength of the protective pipe 3, the reinforcing rib 9 abuts against the outer side of the support rod 5 to prevent the support rod 5 from sliding on the inner wall of the protective pipe 3.

[0033] As an implementation manner, the end of the reinforcing rib 9 is provided with a chamfer 10.

[0034] Through the above setting, the support rod 5 is conveniently slid into the protective pipe 3, and then the working pipe 2 is conveniently penetrated through the protective pipe 3.

[0035] The inner end of the support rod 5 of the application is fixedly connected to the working pipe 2, when the composite flat pipe is assembled, the working pipe 2 is inserted into the protective pipe 3 along the axial direction, the outer end of the support rod 5 enters the protective pipe 3 under the action of the chamfer 10 of the reinforcing rib 9 and slides along the inner side of the reinforcing rib 9, the reinforcing rib 9 plays a guide rail role relative to the outer end of the support rod 5, until the working pipe 2 penetrates through the protective pipe 3, the plug 6 is sleeved on both ends of the working pipe 2, the plug 6 covers both ends of the protective pipe 3, and the heat preservation material 7 is foamed in the protective pipe 3.

[0036] As an implementation manner, the inside of the plug 6 is provided with a boss 11 matched with the protective pipe 3, the edge of the boss 11 is provided with an avoiding groove 12 for avoiding the reinforcing rib 9, and the boss 11 is embedded in the protective pipe 3.

[0037] Through the above setting, the plug 6 has good sealing performance.

[0038] When the boss 11 of the application is embedded in the end of the protective pipe 3, the edge of the boss 11 is attached to the inner periphery of the protective pipe 3, and the end of the reinforcing rib 9 is embedded in the avoiding groove 12.

[0039] As an implementation manner, the material of the protective pipe 3 is PVC.

[0040] Through the above setting, the protective pipe 3 has good strength and weather resistance.

[0041] As an implementation manner, the material of the working pipe 2 is PPR.

[0042] Through the above setting, it is beneficial to reduce the weight of the composite flat pipe and facilitate the workers to carry out construction.

[0043] It should be understood that for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the utility model.

Claims

1. An insulated composite flat tube, characterized by The composite flat pipe comprises a working pipe, a protection pipe and a support structure, the cross section of the protection pipe is oval, the working pipe axially penetrates the protection pipe, the support structure comprises a plurality of support rods arranged between the working pipe and the protection pipe in the circumferential direction, the inner end of the support rod is fixedly connected with the working pipe, and the outer end of the support rod abuts against the inner wall of the protection pipe, a plurality of support structures are arranged, and the support structures are sequentially arranged in the axial direction of the working pipe, the protection pipe and the working pipe are filled with thermal insulation material, and the composite flat pipe further comprises a plug, the plug is sleeved on both ends of the working pipe and covers both ends of the protection pipe.

2. The composite flat tube according to claim 1, wherein The thermal insulation material is foamed polyurethane, and the plug is provided with an exhaust hole.

3. The composite flat tube according to claim 1, wherein The support structure comprises four support rods arranged in an X shape, four reinforcing ribs corresponding to the support rods are fixedly connected to the inner wall of the protection pipe, the reinforcing ribs are arranged in parallel with the working pipe, and the inner side of the reinforcing rib abuts against the outer end of the support rod.

4. The composite flat tube according to claim 3, wherein The end of the reinforcing rib is provided with a chamfer.

5. The composite flat tube according to claim 3, wherein The inner side of the plug is provided with a boss matched with the protection pipe, the edge of the boss is provided with an avoiding groove for avoiding the reinforcing rib, and the boss is embedded in the protection pipe.

6. The composite flat tube according to claim 1, wherein The material of the protection pipe is PVC.

7. The composite flat tube according to claim 1, wherein The material of the working pipe is PPR.

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