Aluminum casting linear type gas pipe

Abstract

The utility model relates to the technical field of gas pipes, in particular to an aluminum-cast linear gas pipe which comprises an aluminum-cast gas pipe, a protective layer is sleeved on the outer side of the aluminum-cast gas pipe, a heat insulation layer is arranged between the protective layer and the aluminum-cast gas pipe, and a positioning structure is arranged between the aluminum-cast gas pipe and the protective layer. The aluminum cast gas pipe is suspended in the center of the interior of the protective layer; the utility model has the beneficial effects that the stainless steel sleeve and the polytetrafluoroethylene pipe are sequentially sleeved on the outer side of the aluminum-cast gas pipe, so that double protection layers are formed. The stainless steel sleeve provides firm mechanical protection and prevents external physical damage; and the polytetrafluoroethylene pipe has excellent corrosion resistance and chemical stability, so that the durability of the gas pipe is further enhanced. The heat insulation sleeve adopts a C-shaped design and is fixed between the aluminum-cast gas pipe and the stainless steel sleeve through the connecting strip, so that heat exchange between the aluminum-cast gas pipe and the outside is effectively isolated, and the temperature in the pipe is kept stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of gas pipe, specifically to an aluminum cast linear gas pipe. BACKGROUND

[0002] In the gas delivery system, the safety and durability of the gas pipeline are crucial. Traditional gas pipelines are mostly made of metal materials, such as steel pipes. However, steel pipes are heavy, prone to corrosion, and have high installation and maintenance costs. In recent years, aluminum cast linear gas pipes have gradually gained popularity due to their lightweight, corrosion resistance, and easy installation. However, aluminum has a high thermal conductivity, making it susceptible to external temperature changes and prone to deformation under external impact, which can affect its performance and safety. Therefore, how to effectively protect aluminum cast gas pipes and improve their thermal insulation performance and impact resistance has become a pressing problem in the industry.

[0003] Traditional protection measures include applying a corrosion-resistant coating to the outer surface of the aluminum cast gas pipe or wrapping it with thermal insulation material. However, these methods have many shortcomings, such as the corrosion-resistant coating being prone to peeling off and the thermal insulation material being prone to aging. To address these issues, a more effective and durable protection structure needs to be developed. SUMMARY

[0004] The utility model aims to provide an aluminum cast linear gas pipe to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an aluminum cast linear gas pipe, comprising an aluminum cast gas pipe, a protective layer is provided on the outer side of the aluminum cast gas pipe, a thermal insulation layer is provided between the protective layer and the aluminum cast gas pipe, and a positioning structure is provided between the aluminum cast gas pipe and the protective layer, suspending the aluminum cast gas pipe at the inner center of the protective layer.

[0006] Preferably, the protective layer comprises a stainless steel sleeve and a polytetrafluoroethylene pipe wrapped around the tube body of the stainless steel sleeve, and the lengths of the aluminum cast gas pipe, the stainless steel sleeve, and the polytetrafluoroethylene pipe are equal.

[0007] Preferably, the thermal insulation layer comprises a thermal insulation sleeve in the shape of a "C" pipe, and the positioning structure is located at the gap of the thermal insulation sleeve.

[0008] Preferably, the positioning structure comprises a connecting strip in the shape of an isosceles trapezoid, the top surface and the bottom surface of the connecting strip are both arc surfaces, the top surface of the connecting strip is fixed to the outer ring surface of the aluminum cast gas pipe, and the bottom surface of the connecting strip is fixed to the inner ring surface of the stainless steel sleeve.

[0009] Preferably, the length of the long side of the connecting strip is equal to the length of the long side of the aluminum cast gas pipe, and the connecting strip has a through hole on its surface.

[0010] Preferably, the stainless steel sleeve and the heat insulation sleeve are provided with a limiting member.

[0011] Preferably, the limiting member comprises a clamping strip and a clamping groove, the clamping groove is arranged on the outer ring surface of the heat insulation sleeve, the clamping strip is fixed on the inner ring surface of the stainless steel sleeve, the clamping strip is inserted into the clamping groove, and the length of the heat insulation sleeve, the clamping groove and the clamping strip is equal.

[0012] Compared with the prior art, the aluminum cast linear gas pipe has the following beneficial effects:

[0013] The aluminum cast linear gas pipe has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a structural schematic diagram of the present utility model;

[0015] Figure 2 Fig. 2 is an enlarged schematic diagram of structure A in Fig. 1; Figure 1

[0016] Figure 3 Fig. 4 is a schematic diagram of the connection structure between the aluminum cast gas pipe and the stainless steel sleeve of the present utility model;

[0017] Figure 4 Fig. 5 is a schematic diagram of the heat insulation layer structure of the present utility model.

[0018] In the figure: aluminum cast gas pipe 1, stainless steel sleeve 2, polytetrafluoroethylene pipe 3, connecting strip 4, through hole 5, heat insulation sleeve 6, clamping groove 7, clamping strip 8. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme of the present utility model clear, complete and the advantages more clear and obvious, the following will further describe the embodiments of the present utility model in combination with the drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, but not all the embodiments, which are used to explain the embodiments of the present utility model, and are not used to limit the embodiments of the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0020] Please refer to Figures 1-4 ​The utility model provides a technical scheme: an aluminum cast linear gas pipe, including aluminum cast gas pipe 1, the outside of aluminum cast gas pipe 1 is equipped with the protection layer, and the protection layer includes stainless steel sleeve 2 and the polytetrafluoroethylene pipe 3 of being equipped in the pipe body of stainless steel sleeve 2, and the pipe length of aluminum cast gas pipe 1, stainless steel sleeve 2 and polytetrafluoroethylene pipe 3 is equal, and the heat insulating layer is equipped between the protection layer and aluminum cast gas pipe 1, and the heat insulating layer includes heat insulating sleeve 6, and heat insulating sleeve 6 is " C " character shape pipe, and the positioning structure is at the gap of heat insulating sleeve 6, and the positioning structure is equipped between aluminum cast gas pipe 1 and the protection layer, and aluminum cast gas pipe 1 is suspended in the inside center of the protection layer, and the positioning structure includes connecting strip 4, and connecting strip 4 is isosceles trapezoidal strip, and the top surface of connecting strip 4 and the bottom surface of connecting strip 4 are all arc surfaces, and the top surface of connecting strip 4 is fixed in the outer ring surface of aluminum cast gas pipe 1, and the bottom surface of connecting strip 4 is fixed in the inner ring surface of stainless steel sleeve 2, and the long side length of connecting strip 4 is equal to the long side length of aluminum cast gas pipe 1, and the surface of connecting strip 4 is equipped with the through hole 5.

[0021] Connecting strip 4 holds aluminum cast gas pipe 1 in the inside center of stainless steel sleeve 2, at this time, " C " character shape groove body is reserved between aluminum cast gas pipe 1 and stainless steel sleeve 2, is used to install heat insulating sleeve 6, and after the surface of connecting strip 4 is equipped with the through hole 5, the weight of connecting strip 4 is reduced, heat insulating sleeve 6 can adopt rock wool layer h or glass fiber layer, and heat insulating sleeve 6 is wrapped in the outside of aluminum cast gas pipe 1, plays the role of heat insulation, and plays the role of buffering to aluminum cast gas pipe 1, reduces the impact force of external impact aluminum cast gas pipe 1.

[0022] Limiting piece is equipped between stainless steel sleeve 2 and heat insulating sleeve 6, and the limiting piece includes clamping strip 8 and clamping groove 7, and clamping groove 7 is equipped in the outer ring surface of heat insulating sleeve 6, and clamping strip 8 is fixed in the inner ring surface of stainless steel sleeve 2, and clamping strip 8 is inserted in clamping groove 7, and the long side length of heat insulating sleeve 6, clamping groove 7 and clamping strip 8 is equal, and the both ends of heat insulating sleeve 6 are respectively close to the both sides of connecting strip 4, and the middle part of heat insulating sleeve 6 is limited by clamping strip 8, to avoid heat insulating sleeve 6 to appear side deflection and rotate between aluminum cast gas pipe 1 and stainless steel sleeve 2.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in many ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. An aluminium cast straight linear gas pipe comprising an aluminium cast gas pipe (1), characterised in that: The outer side of the aluminum cast gas pipe (1) is sleeved with a protective layer, a heat insulation layer is arranged between the protective layer and the aluminum cast gas pipe (1), and a positioning structure is arranged between the aluminum cast gas pipe (1) and the protective layer, so that the aluminum cast gas pipe (1) is suspended at the inner center of the protective layer.

2. The aluminum cast straight linear gas pipe according to claim 1, characterized in that: The protective layer comprises a stainless steel sleeve (2) and a polytetrafluoroethylene pipe (3) sleeved on the pipe body of the stainless steel sleeve (2), and the pipe lengths of the aluminum cast gas pipe (1), the stainless steel sleeve (2) and the polytetrafluoroethylene pipe (3) are equal.

3. The cast aluminum linear gas pipe according to claim 2, characterized in that: The heat insulation layer comprises a heat insulation sleeve (6), the heat insulation sleeve (6) is a "C" shaped pipe, and the positioning structure is at the notch of the heat insulation sleeve (6).

4. The cast aluminum linear gas pipe according to claim 2, characterized in that: The positioning structure comprises a connecting strip (4), the connecting strip (4) is an isosceles trapezoidal strip, the top surface of the connecting strip (4) and the bottom surface of the connecting strip (4) are both circular arc surfaces, the top surface of the connecting strip (4) is fixed on the outer ring surface of the aluminum cast gas pipe (1), and the bottom surface of the connecting strip (4) is fixed on the inner ring surface of the stainless steel sleeve (2).

5. An aluminium cast straight linear gas pipe according to claim 4, characterized in that: The long side length of the connecting strip (4) is equal to the long side length of the aluminum cast gas pipe (1), and the connecting strip (4) is provided with a through hole (5) on the surface.

6. The cast aluminum linear gas pipe according to claim 3, characterized in that: The stainless steel sleeve (2) and the heat insulation sleeve (6) are provided with a limiting piece.

7. An extruded aluminium gas pipe according to claim 6, c h a r a c t e r i s e d in that: The limiting piece comprises a clamping strip (8) and a clamping groove (7), the clamping groove (7) is arranged on the outer ring surface of the heat insulation sleeve (6), the clamping strip (8) is fixed on the inner ring surface of the stainless steel sleeve (2), the clamping strip (8) is inserted into the clamping groove (7), and the long side lengths of the heat insulation sleeve (6), the clamping groove (7) and the clamping strip (8) are equal.

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