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Temperature control valve

A technology for temperature control valves and valve sleeves, applied in temperature control, non-electric variable control, control/regulation systems, etc., can solve the problems of poor timeliness and accuracy of temperature adjustment

Pending Publication Date: 2021-05-07
SHANGHAI TIANDI MINING EQUIP TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the oil temperature adjustment of the hydraulic system of construction machinery is mainly realized by opening the one-way circuit leading to the radiator or oil tank by the oil pressure, and the timeliness and accuracy of temperature adjustment are not good.

Method used

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  • Temperature control valve

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Embodiment Construction

[0020] The invention discloses a temperature control valve, such as figure 1 As shown, it includes a valve sleeve, a valve core 33 , a slider, a thimble 37 and a spring 32 . Both the valve sleeve and the slider are hollow shells, the left end of the valve sleeve is closed, the right end is provided with a valve inlet P, and the side wall of the valve sleeve is provided with a first valve outlet A and a second valve outlet A and a second valve at intervals from left to right. exit B. The valve core is integrally located in the inner cavity of the valve sleeve and is slidingly fitted with the side wall of the valve sleeve. The valve core is a thin shell-shaped part whose outer cylindrical surface adheres to the side wall of the valve sleeve. A first through hole and a second through hole are arranged at intervals on the left and right sides of the valve core, and both the first through hole and the second through hole communicate with the inner cavity of the valve sleeve. The...

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Abstract

The invention relates to a temperature control valve. A first valve outlet and a second valve outlet are formed in the side wall of a valve sleeve of the temperature control valve, a valve inlet is formed in the right end face of the valve sleeve, the valve outlets and the valve inlet are communicated with an inner cavity of the valve sleeve, a valve element is embedded in the inner cavity of the valve sleeve and is in sliding fit with the side wall of the valve sleeve, and a first through hole and a second through hole in the valve element correspond to the first valve outlet and the second valve outlet respectively. The temperature of the oil liquid changes to promote the heat-sensitive material to expand with heat and contract with cold, the valve element moves left and right under the combined action of the heat-sensitive material and the spring, the on-off state of the first valve outlet and the on-off state of the second valve outlet are switched, or the opening degree of the first valve outlet and the opening degree of the second valve outlet are changed, and then the amount of the oil liquid entering the cooling and / or heating device is changed. According to the invention, the amount of oil entering the cooling and / or heating device can be changed by adjusting the opening degree or the on-off state of the valve outlet in real time, so that the oil temperature of the hydraulic system is adjusted in real time.

Description

technical field [0001] The invention relates to a temperature control valve, which can automatically adjust the opening degree in real time according to the temperature of the fluid medium in the system where it is located, so that it can cooperate with a heating and / or cooling unit to automatically adjust the temperature of the fluid medium in the system. Background technique [0002] Hydraulic systems are widely used in construction machinery, and controlling the oil temperature within an appropriate range is a necessary guarantee for the long-term and efficient operation of the hydraulic system. At present, the oil temperature adjustment of the construction machinery hydraulic system is mainly realized by the oil pressure opening the one-way circuit leading to the radiator or the oil tank, and the timeliness and accuracy of the temperature adjustment are not good. Contents of the invention [0003] The purpose of the present invention is to provide a temperature control...

Claims

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Application Information

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IPC IPC(8): F16K11/065F16K11/07F16K31/68F15B21/042
CPCF15B21/042F16K11/0655F16K11/0716F16K31/002G05D23/123
Inventor 叶旺盛闫茂春郭强高奔高志明张涛陶震董程林潘峰冯晓迪
Owner SHANGHAI TIANDI MINING EQUIP TECH CO LTD
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