Multifunctional water-saving valve

Abstract

The invention discloses a multifunctional water-saving valve, which is suitable for families, hotels, dormitories and other occasions needing supply of cold water and hot water. The multifunctional water-saving valve comprises a valve body, a middle sleeve, a shifting rod, opening and closing components and the like and is mainly characterized in that a reflux inlet and a reflux pipe are additionally arranged on the valve body; a reflux hole is additionally arranged on a fixed sheet; a reflux kidney-shaped groove, a reflux kidney-shaped hole and a reflux circular groove are additionally arranged on a lower fixed block; a deflected kidney-shaped groove is additionally arranged on a middle sliding block; and the sizes of the grooves and the holes on the fixed sheet, the lower fixed block and the middle sliding block are optimized, designed and adjusted. The improved structure can respectively realize six working states of discharging cold water and hot water simultaneously, discharging cold water solely, discharging hot water solely, completely closing the discharged water, discharging water from a water tank, and completely discharging cold water in a hot water pipe to enter the water tank for saving water; especially, before hot water needs to be discharged solely, the defect of the traditional water-saving valve which needs to wait for a longer preheating time can be avoided, and cold water or mixed cold and hot water in the hot water pipe does not need to be discharged, thereby achieving the purpose of saving water resources; and the water-saving valve has multiple functions.

Description

technical field [0001] The invention relates to a valve technology, specifically a multifunctional water-saving valve suitable for cold and hot water supply in families, hotels, dormitories and the like. Background technique [0002] my country is a country with serious water shortage. Although fresh water resources account for 6% of the global water resources, the per capita water resources are only 1 / 4 of the world's average level. China is one of the 13 countries with the poorest per capita water resources in the world. Therefore, How to solve the water shortage problem and do a good job in water conservation is a major issue that benefits the country and the people. At present, the products that consume the most water and can best reflect water saving are undoubtedly water-saving valves in daily household water, especially water-saving valves used on water heaters in bathroom systems. However, whether it is used for water-saving valves on solar water heaters, electric wa...

AI Technical Summary

Problems solved by technology

However, whether it is used for water-saving valves on solar water heaters, electric water heaters or gas water heaters, the water-saving effect of consumers in actual use is not very good. The cold water can only be used after emptying or partially emptying, which will cause a great waste of water resources. In view of the defects of the above-mentioned water-saving valves, valve manufacturers have also developed a new type of water-saving valve. The Chinese patent No. 200720076344.6 is a "new water-saving bathroom faucet spool". The technical solution disclosed in this patent is mainly to set a fixed spool in the valve body of the water-saving valve (equivalent to the lower fixed block of this case, the same below. ) and movable spool (equivalent to the middle sliding block in this case, the same below), the fixed spool is provided with a kidney hole, and the movable spool is provided with cold water hole, hot water hole and water outlet hole. At the temperature of bathing, operate the movable valve core to rotate relative to the fixed valve core, connect the cold and hot water holes through the kidney hole on the movable valve core, and close the water outlet hole. When the water outlet temperature reaches the temperature suitable for bathing, operate the movable valve again The spool rotates relative to the fixed spool, and the hot water hole is connected to the water outlet hole through the waist hole on the movable spool, and the cold water hole is closed, at this time, hot water can flow out of the water outlet hole

The hot water pipe of this technology needs to short-circuit the cold and hot water holes before releasing the water, so the cold water in the hot water pipe is not actually discharged in advance, so the cold water in the entire hot water pipe must be heated before it can be used , the heating process needs to wait for a long warm-up time, and when the hot water needs to be discharged separately after heating, due to the short connection of the cold and hot water pipes, there is often a small amount of cold water mixed in the hot water, so as soon as the valve is opened At the moment, the water discharged from the outlet hole must not be a separate hot water, and a small part of the mixed cold and hot water needs to be drained first, so it will still cause a certain amount of waste of water resources.

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