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A technology of ceramic valves and ceramic valve cores, which is applied to valve details, multi-way valves, valve devices, etc., can solve problems such as damage to reduction gears, and achieve the effects of improving reliability, ease of use, and simple structure
Inactive Publication Date: 2010-12-22
朱旦 +1
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Problems solved by technology
According to this plan, if manual operation is performed, the phenomenon that the ceramic valve core shaft reversely drives the stepper motor through the reduction gear train will occur, and the consequence is: either it cannot rotate, or the reduction gear train is damaged
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Embodiment 1
[0017] Example 1. refer to figure 1 , the present embodiment is an electric and manual dual-purpose ceramic valve used on a bathingthermostat.
[0018] Bath thermostat has cold water inlet 3, hot water inlet 7 and water outlet, and temperature sensor is installed in the cold and hot water mixing chamber 5.
[0019] The cold water enters the cold water inlet 3, passes through the spool 32 of the ordinary manual ceramic valve, and enters the cold and hot water mixing chamber 5 through the cold water channel 4;
[0020] Hot water enters the hot water inlet 7, passes through the spool of the electric and manual dual-purpose ceramic valve, and enters the cold and hot water mixing chamber 5 through the hot water channel 6;
[0021] According to the water temperaturesignal provided by the temperature sensor installed in the hot and cold water mixing chamber 5, the control circuit drives the motor 15 of the electric and manual dual-purpose ceramic valve to work, and adjusts the op...
Embodiment 2
[0030] Example 2. refer to figure 2 , the present embodiment is used in two electric and manual dual-purpose ceramic valves that cooperate with each other on the bathingthermostat.
[0031] Bath thermostat has cold water inlet 3, hot water inlet 7 and water outlet, and temperature sensor is installed in the cold and hot water mixing chamber 5.
[0032] In this embodiment, the housing 16 is fixed on the valve body 10, therefore, the housing 16 can be considered as an extension of the valve body 10; in this embodiment, the handwheel 1 is fixed on the rotating ceramic valve core sleeve 14 , Therefore, the handwheel 1 can be considered as an extension of the rotating ceramic spool sleeve 14 .
[0033] When bathing, press the button 17 on the handwheel 1 of the cold water end to make the button 17 break away from the positioning groove on the housing 16, then rotate the handwheel 1 of the cold water end by hand, and the handwheel 1 of the cold water end will drive the rotating ...
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Abstract
The invention relates to a power-operated / manual-operation dual-purpose ceramic valve. A motor, a speed reducer, a rotary coupling fork and a moving plate of a ceramic valve core are fixed in a rotary ceramic valve core sleeve; the rotary ceramic valve core sleeve is arranged in a valve core trepan boring on a valve body; and an O-shaped sealing ring is arranged between the rotary ceramic valve core sleeve and the valve core trepan boring. During manual operation, a button on the rotary ceramic valve core sleeve is pressed, so that the button is separated from a positioning groove on the valve body; and the moving plate of the ceramic valve core moves when the rotary ceramic valve core sleeve is rotated by a hand. The power-operated / manual-operation dual-purpose ceramic valve disclosed by the invention has the advantages of simple structure, convenient use and suitability for popularization.
Description
Technical field [0001] The invention relates to an electric ceramic valve, in particular to an electric and manual dual-purpose ceramic valve. Background technique [0002] At present, manual ceramic valves are widely used because of their high reliability, good sealing performance and low cost. Correspondingly, electric ceramic valves have also been used in many occasions that require automatic water use. [0003] Compared with the widely used pilotsolenoid valve, although the structure of the electric ceramic valve is complicated, its advantage of being able to work normally in the liquid containing sediment is unmatched by the pilotsolenoid valve. In addition, the electric power of the electric ceramic valve is small, which is also unmatched by the pilotsolenoid valve. [0004] The fatal weakness of current electric ceramic valves is that when there is a power failure or a circuit failure occurs, the electric ceramic valves will remain in the current state and can ne...
Claims
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Application Information
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