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Pneumatic valve actuator internally provided with heat preservation device

A technology of pneumatic valves and heat preservation devices, which is applied in the direction of heat preservation, valve devices, valve operation/release devices, etc., and can solve the problems of reducing the precision of the mechanism and the compressibility of the gas source, etc.

Active Publication Date: 2021-09-14
邵曙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the fluidity of the air source is easily affected by the temperature of the external environment, and the compressibility of the air source will also make it impossible to maintain the position and reduce the accuracy of the mechanism

Method used

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  • Pneumatic valve actuator internally provided with heat preservation device
  • Pneumatic valve actuator internally provided with heat preservation device
  • Pneumatic valve actuator internally provided with heat preservation device

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] see Figure 1-10 , the present invention provides a technical solution: a pneumatic valve actuator containing a thermal insulation device, including a valve body 1, an actuator body 2, an air compressor 3, a controller 4, a ventilation mechanism 5 and an actuator 6, the valve body 1 is located directly below the actuator body 2, the bottom of the valve body 1 is in contact with the working plane, and the air compressor 3, controller 4, actuator 6 and vent...

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Abstract

The invention discloses a pneumatic valve actuator internally provided with a heat preservation device. The pneumatic valve actuator comprises a valve body, an actuator body, an air compressor, a controller, a ventilation mechanism and an actuating mechanism, the valve body is arranged under the actuator body, and the bottom end of the valve body is in surface contact with a working plane; the air compressor, the controller, the actuating mechanism and the ventilation mechanism are arranged in the actuator body, the air compressor is arranged at the upper end of the actuator body and fixed to the inner side wall of the actuator body, and the controller is arranged at the lower end of the actuator body and fixed to the inner side wall of the actuator body. One end of the ventilation mechanism is connected with the air compressor, the other end of the ventilation mechanism is connected with the actuating mechanism, the actuating mechanism is arranged at the lower end of the actuator body, and the end, away from the ventilation mechanism, of the actuating mechanism penetrates through the side wall of the actuator body and extends into the valve body. The air compressor, the controller and the ventilation mechanism are electrically connected.

Description

technical field [0001] The invention relates to the technical field of pneumatic valve actuators, in particular to a pneumatic valve actuator with a heat preservation device inside. Background technique [0002] The actuator refers to the drive device that can provide linear or rotary motion. It uses the drive energy and under the action of the control signal to automatically operate some equipment and devices, control its switch and adjustment, and replace manual work. Executing agencies generally include pneumatic actuators, electric actuators, and hydraulic actuators. Pneumatic actuators are usually connected to valves, and are actuators that use pneumatic pressure to drive the opening and closing or regulating valves, and have become an indispensable mechanism in automatic control. [0003] Pneumatic valve actuators can be subdivided into piston actuators. The output torque or thrust of the two-position pneumatic piston actuators in both directions must be kept consiste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/122F16K31/54F16L59/16
CPCF16K31/122F16K31/54F16L59/16
Inventor 邵曙吕志翼
Owner 邵曙
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