Controllable temperature-sensitive gas spring

Abstract

The invention relates to a controllable temperature-sensitive gas spring, comprising a cylinder, a piston and a piston rod fixedly connected with the piston, wherein the piston rod passes through a guide sealing assembly to be connected with a front connecting piece; the cylinder is inflated with compressible power source gas and at least one temperature-sensitive power source gas, wherein the liquid phase and the gas phase of the power source gas are reversible; the volume percentage ratio of the power source gas to the temperature-sensitive power source gas is 51-90%: 10-49%; and the temperature-sensitive power source gas is a liquid phase at a room temperature. The controllable temperature-sensitive gas spring is reasonable in structure; the output force of the gas in the cylinder can be changed through an environmental temperature, and the environmental pressure and the movement of the gas spring can be automatically controlled; the controllable temperature-sensitive gas spring can be used for industries of a fireproofing fire-fighting field, a high-rise ventilating field, agriculture and the like; and a ventilating field can be automatically changed, and the use field of the gas spring is expanded.

Description

technical field [0001] The invention relates to a controllable temperature-sensitive gas spring, which belongs to the technical field of gas springs. Background technique [0002] The gas spring is mainly composed of a cylinder, a piston in the cylinder, a piston rod and a guide seal. Gas or oil-gas mixture is stored in the cylinder. Since the piston occupies the volume in the cylinder, the piston rod is pressed into the cylinder by external force during work, and the piston moves axially in the cylinder and squeezes the gas in the cavity. Gas or oil-gas mixture makes the piston reach the working position; when the external force loaded on the piston rod disappears, the compressed gas will expand due to the recovery of the compressed gas, and the expanded gas will push the piston back, and the piston rod will be moved out to make the gas spring realize compression Motion and return damped motion. The current gas springs all use compressed gas or an oil-gas mixture formed b...

AI Technical Summary

Problems solved by technology

The current gas springs all use compressed gas or an oil-gas mixture formed by gas and incompressible oil to move the piston. Once the gas in the cylinder is filled, the compression ratio of the gas will not change. Therefore, the current gas spring The spring must push the piston rod to one side of the cylinder through external force, and the piston rod will extend out of the cylinder after the external force is eliminated. Since the gas spring cannot automatically push out the piston rod, the gas spring cannot be used in fire-fighting places and high-rise ventilation. Places or industries such as agriculture that require automatic ventilation

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