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Valve operating device

A technology of valve operation and valve stem, applied in the direction of valve device, valve operation/release device, valve details, etc., can solve the problems of constant output torque and poor output efficiency, and achieve the effect of compact structure

Inactive Publication Date: 2012-08-01
株式会社蒂克斯IKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even in valves that require high output torque, there are problems of constant output torque at the closed position, open position, and intermediate positions, and poor output efficiency

Method used

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Embodiment Construction

[0118] Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

[0119] refer to Figure 1 to Figure 3 , the valve operating device 100 for carrying out the embodiment of the present invention is a device for opening and closing a valve by rotating the valve stem of a valve provided on a pipeline or the like, and as a mechanism for rotational input, includes : input shaft 106, which is composed of a rotating shaft with a worm gear 5 connected to the handle 34 via the handle shaft 4 and a worm wheel 3 engaged on the worm gear 5, etc., the worm wheel 3 is installed on the input shaft 106, and the input The shaft 106 is rotatably supported on the upper casing 1; the cyclone reducer has petal-shaped speed reducers 107, 107', and the petal-shaped speed reducers 107, 107' are arranged on the eccentric shaft connected to the input shaft 106 On 105; the valve stem fitting shaft 104, the valve stem fitting shaft 104 is used as ...

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PUM

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Abstract

The invention provides a valve operating device. By adopting the valve operating device, assigned torque at an input side is reduced, the characteristics of a normal-inverse rotation prevention function can be played, an output torque can be high efficiently acquired at an output side, more assigned torque on the operation can be loaded, and a compact structure can be achieved. In order to open and close a valve by rotating a valve rod of the valve which is arranged on a pipeline and the like, the valve operating device comprises a worm gear mechanism, a whirlwind-type reducer and a valve rod embedded shaft, wherein the worm gear mechanism is provided with a mechanism for inputting the rotation, a rotating shaft which rotates through the mechanism and is provided with a worm gear and a worm wheel which is engaged onto the worm gear; the whirlwind-type reducer is used for implementing the rotation input and reduction output of an input shaft for supporting the worm gear; and the valve rod embedded shaft is used for transferring the rotation output from the whirlwind-type reducer to the valve rod of the valve, so that the normal-inverse rotation prevention function achieved through the engagement between the rotating shaft and the worm wheel can be acquired, the output torque can be high efficiently acquired through the whirlwind-type reducer, and the compact structure can be realized through the combination of the worm gear mechanism and the whirlwind-type reducer.

Description

technical field [0001] The present invention relates to an operating device for opening and closing a valve, and more particularly to a valve operating device using a cyclone-type reducer that transmits a rotational input for the purpose of valve actuation. Background technique [0002] There are manual type, electric type, air motor type, etc. as an input mechanism which performs the operation|movement for opening and closing a valve by 90 degree rotation operation. The rotation input of the operating device for this purpose makes the transmission block with internal thread engage on the rotating threaded shaft with external thread, and when the rotating threaded shaft is rotated at the same position, the transmission block can The direction of the axis moves forward and backward corresponding to the direction of rotation. Therefore, the stem of the valve is engaged with a Scotch yoke provided so as to rotate by swinging on the cylindrical portion protruding from both oute...

Claims

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Application Information

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IPC IPC(8): F16K31/53
Inventor 横见正宏中西定之
Owner 株式会社蒂克斯IKS
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