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Mechanical automatic shutoff gate valve

An automatic water cut-off, mechanical technology, applied in the direction of sliding valve, mechanical equipment, valve device, etc., can solve the problems of high cost, complex gate valve structure, difficult to popularize, etc., and achieve the effect of simple operation.

Inactive Publication Date: 2010-08-25
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, no matter whether it is an industrial valve or a valve used in daily life, there are very few gate valves that can realize automatic water cutoff and control the total amount of outflow, and the existing gate valves are generally complex in structure, requiring high manufacturing technology and high cost. , not easy to promote

Method used

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Examples

Experimental program
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Embodiment 1

[0029] Referring to Fig. 1-6, a mechanical automatic water-cutting gate valve is composed of a turbine, a transmission reduction device and an automatic water-cutting device. The two ends of the shell are provided with oblique openings 18, the outer sides of the two ends of the volute are provided with diversion nets 19, and the outer sides of the diversion nets are end covers 8; Main wheel 16, wherein, the radius of transmission wheel is less than the radius of main wheel, and transmission wheel has transmission wheel shaft 17, and transmission wheel shaft and impeller shaft are fixedly connected, and main wheel has main wheel shaft 7, is provided with scale on main wheel shaft; Described automatic water cut-off device Including the brake wheel 3, there is a groove 15 on the brake wheel, a brake lever 1 is provided on the outer upper part of the brake wheel, a shrapnel 2 is provided at one end of the brake lever, and a Z-shaped lever 20 is provided at the other end of the brak...

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Abstract

The invention relates to a mechanical automatic shutoff gate valve, which comprises a turbine, transmission reducer and an automatic shutoff device. The turbine comprises a volute shell, an impeller is arranged in the volute shell, the middle part of the impeller is provided with an impeller shaft, the two ends of the volute shell are respectively provided with an oblique port, the outer sides of the two ends of het volute shell are respectively provided with a diversion net, and the outer sides of the diversion net are respectively provided with an end cover; the transmission reducer comprises a shell, a transmission wheel is arranged in the shell and is engaged with a main wheel, wherein the radius of the transmission wheel is smaller than the radius of the main wheel, the transmission wheel is provided with a transmission wheel shaft, the transmission wheel shaft is fixedly connected with the impeller shaft, the main wheel is provided with a main wheel shaft, and the main wheel shaft is provided with scales; the automatic shutoff device comprises a brake wheel, the brake wheel is provided with a groove, the upper part of the outer side of the brake wheel is provided with a brake lever, the end of the brake lever is provided with an elastic sheet, and the main wheel shaft is fixedly connected with the brake wheel. The invention has a simple structure, and can accurately control the total amount of the effluent completely through the mechanical device, realize the automatic shutoff, and realize the stepless regulation of the total amount of the effluent within the range of the maximum amount of the effluent.

Description

technical field [0001] The invention relates to a gate valve, in particular to a mechanical automatic water-cutting gate valve. Background technique [0002] At present, the common automatic water cut-off devices in our daily life mainly include the float water cut-off valve in the sensor faucet and the flush toilet. The induction faucet is composed of a solenoid valve, a controller for opening and closing the solenoid valve by infrared detection, and a water control device for controlling the opening and closing of the solenoid valve at the water inlet and outlet of the faucet. It uses the principle of infrared light reflection. Put your hand under the faucet, the infrared light emitted by the infrared emitting tube is reflected to the infrared receiving tube by the hand, and then the signal is processed to control the solenoid valve to open the water. When the hand leaves the faucet, the infrared light is no longer reflected, and then the solenoid valve is automatically ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/32F16K21/16F16K31/12F16K31/53F16K37/00
Inventor 徐驰张晓元曾文治严兆曹倩李明哲张祥海
Owner WUHAN UNIV
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