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Valve controller, electric gate valve and electric valve

A technology of valve controller and torque limiter, which is applied in the direction of valve details, valve devices, engine components, etc., can solve the problem of unable to stop the transmission of external machine force, and achieve the effect of avoiding complicated structure and preventing damage

Active Publication Date: 2013-08-21
WEST ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Therefore, for example, when a predetermined torque or more is generated due to a handle operation such as turning a handle by a plurality of people, the transmission of force to an external device cannot be stopped.

Method used

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  • Valve controller, electric gate valve and electric valve
  • Valve controller, electric gate valve and electric valve
  • Valve controller, electric gate valve and electric valve

Examples

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Embodiment Construction

[0073] Next, with reference to the accompanying drawings, the present invention will be described in conjunction with specific embodiments for understanding the present invention.

[0074] Such as figure 1 , figure 2 As shown, the valve controller 10 involved in one embodiment of the present invention has: a motor 11, a power transmission unit 12 that transmits the driving force of the motor 11 to an external machine, and when the power transmission unit 12 generates more than a certain amount of power during the operation of the motor 11 A torque limiter 13 that stops the motor 11 when the load is high, and a manual handle 14 that applies power to an external machine through a power transmission unit 12 .

[0075] power transfer unit 12 such as figure 1 It is shown with an output shaft 15 connected to an external machine. The output shaft 15 is operated by the motor 11 or the rotation of the manual handle 14 to provide external machine power.

[0076] The external machin...

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Abstract

Provided are a valve controller, an electric gate valve and an electric valve. The valve controller (10) comprises a motor (11); a power transmission unit (12) that transmits driving power of the motor to an external machine; a torque limiter (13) that makes the motor stop when the power transmission unit generates certain load during running of the motor; and a hand-operated handle (14) that applies power onto the external machine through the power transmission unit. The hand-operated handle has a rotatable body that is connected with the hand-operated handle to be a whole body to rotate; a torque drive part that is connected with the power transmission unit; and a friction generation part that enables friction to be generated between the rotatable body and the torque drive part. When torque applied by the hand-operated handle onto the rotatable body exceeds the friction between the rotatable body and the torque drive part, the torque drive part is separated from the power transmission unit and the rotatable body. Therefore, power of transmission to the external machine is limited via operation of the handle when load with the prescribed amount is generated.

Description

technical field [0001] The invention relates to a valve controller which drives an external machine through a motor, an electric gate and an electric valve with the valve controller. Background technique [0002] The valve controller connected to the external machine transmits the power of the motor to the external machine through the power transmission unit to drive the external machine. The following mechanisms are installed on the valve controller: when the power transmission unit, etc. generates a load exceeding the specified limit for some reason, the mechanism that does not apply power to the external device, and the mechanism that limits the power applied to the external device mechanism. It is used to prevent damage to the valve controller and external equipment due to the action of a load exceeding the specified limit. [0003] Such a mechanism is provided with a member that blocks the transmission of the rotational force of the motor to the external device when a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/05
Inventor 北岛主计岩井和则
Owner WEST ELECTRIC CO LTD
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