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Valve controllers and electric gates and electric valves

A valve controller, valve technology, applied in valve details, valve devices, engine components, etc., can solve the problem of unable to stop the transmission of external mechanical force, and achieve the effect of avoiding complex structure and preventing damage

Active Publication Date: 2015-12-23
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 controllers and electric gates and electric valves
  • Valve controllers and electric gates and electric valves
  • Valve controllers and electric gates and electric valves

Examples

Experimental program
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Effect test

Embodiment Construction

[0074] Next, referring to the drawings, the present invention will be described in conjunction with specific embodiments for understanding of the present invention.

[0075] Such as figure 1 , figure 2 As shown, a valve controller 10 according to an embodiment of the present invention includes a motor 11, a power transmission unit 12 that transmits the driving force of the motor 11 to an external device, and when the power transmission unit 12 generates more than a certain amount during the operation of the motor 11 The torque limiter 13 that stops the motor 11 when the load is high, and the manual handle 14 that applies power to the external equipment through the power transmission unit 12.

[0076] Power transmission unit 12 such as figure 1 Shown is an output shaft 15 connected to an external machine. The output shaft 15 is operated by the operation of the motor 11 or by the rotation of the manual handle 14 to provide power to an external machine.

[0077] The external equipment...

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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 that drives an external machine by a motor, and an electric gate and an electric valve having the valve controller. Background technique [0002] The valve controller connected to the external device transmits the power of the motor to the external device through the power transmission unit to drive the external device. The valve controller is equipped with the following mechanisms: when the power transmission unit generates a load above a predetermined level due to some reasons, a mechanism that does not apply power to an external device, and restricts the power applied to an external device mechanism. It is used to prevent damage to the valve controller and external equipment caused by the load above the specified level. [0003] Such a mechanism is provided with a member that interrupts the transmission of the rotational force of the motor to the external device when a load greater than a certain level is gener...

Claims

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Application Information

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