Automatic water supply pipe emptier and solar water heater provided with automatic water supply pipe emptier
An automatic emptying and water pipe technology, applied in solar thermal power generation, heating devices, solar thermal devices, etc., can solve problems such as poor reliability, freezing blockage, control failure, etc., and achieve low manufacturing cost, simple structure, and easy promotion. Effect
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[0035] The present invention will be further described below in conjunction with the accompanying drawings:
[0036] like figure 1 The shown automatic emptying device for the upper water pipe includes an upper water pipe 4 and an emptying valve 9 installed in the upper water pipe. The emptying valve 9 includes an upper fixing rod 10, a lower fixing rod 11, and a central axis. 12. The propeller 13, the spring 14, the blocking piece 15, the blocking piece limit stop 16 and the blocking piece connecting rod 17. The upper water pipe 4 is integrally formed with a shower port 18, and the inner wall of the upper water pipe on the lower side of the shower port 18 is integrally formed. A blocking piece limit stop 16 is installed, an upper fixing rod 10 and a lower fixing rod 11 are installed in the upper water pipe, and a central shaft 12 is connected between the upper fixing rod 10 and the lower fixing rod 11, and the central shaft The lower end of 12 is sleeved with the propeller 13...
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