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Rubber plastic ventilation (muffling) hose

A technology of rubber and plastic pipes and hoses, applied in the direction of hoses, pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of carcinogenicity, etc., and achieve the effects of small ventilation resistance, high installation efficiency, and low labor cost

Inactive Publication Date: 2013-10-16
季星
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Although the price of glass fiber is relatively low, it is an invisible killer hidden in the office because of its serious hazards and cancer-causing problems.

Method used

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  • Rubber plastic ventilation (muffling) hose
  • Rubber plastic ventilation (muffling) hose

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1, a rubber-plastic ventilation (muffling) hose, a helical spring steel wire is built in the middle of the rubber-plastic flexible hose, and the spring steel wire supports the rubber-plastic pipe wall and integrates with the pipe wall to expand or bend together.

[0018] In the process of gas delivery, the gas passes through the middle of this rubber and plastic ventilation (muffling) hose, and the airflow generated by it passes through the spiral structure of the inner pipe wall to generate a rotating airflow, and the vibration and noise generated by it are absorbed by the flexible elastic pipe wall , The rotating airflow reduces the resistance of the gas and accelerates the passage of the airflow, so that the gas can be transported to the end smoothly, fully meeting the requirements of the ventilation hose.

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Abstract

The invention relates to a rubber plastic ventilation (muffling) hose. The rubber plastic ventilation (muffling) hose comprises a rubber plastic (muffling) hose and internal spring steel wires, and is characterized in that the rubber plastic (muffling) hose is internally provided with the internal spring steel wires; a supporting framework formed by the internal steel wires and a rubber plastic tube form a telescopic bending ventilation hose. Since the flexible ventilation hose is made of environment-friendly material, the problems of a VAV (Variable Air Volume) ventilation air-conditioning system in domestic and foreign markets such as hidden pollution of the ventilation hose and serious damage easily generated to the health of a human body are completely solved. The product fills the blank of domestic environment-friendly ventilation hose, and the hose can be set according to environmental conditions; the product has good performances of being environment-friendly, fire-resistant and flame-resistant, flexible to stretch, little in ventilation resistance, heat-insulating and energy-saving, little in heat conductivity coefficient, waterproof and moistureproof, attractive in appearance, convenient to operate, low in using labor cost, good in muffling effect, high in installation efficiency, and the like.

Description

technical field [0001] The invention relates to a ventilation hose, in particular to an environment-friendly ventilation hose used in a ventilation and air-conditioning system, replacing the non-environment-friendly ventilation hose which is commonly used but harmful to human body. Background technique [0002] In industrial production and daily work and life, it is often necessary to use pumps or similar power devices and pipelines for gas transportation, such as ventilation systems in industrial and mining enterprises, centrally controlled air conditioning systems in buildings, etc. At present, the insulation material of the flexible air duct in the ventilation and air conditioning system generally uses glass fiber products. Nowadays, the ventilation and air-conditioning systems of many public buildings adopt VAV full-air system. At present, the insulation of the ventilation hose at the end of the VAV full-air system is made of glass fiber. Usually, the ventilation hose is...

Claims

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Application Information

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IPC IPC(8): F16L11/04F16L11/26
Inventor 季星
Owner 季星
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