Water supply installation of toilet bowl

The utility model discloses a water supply installation of toilet bowl, including water tank and the water -supply pathway who is linked together, water -supply pathway's logical water die cavity is including the section of intaking that sets gradually, middle changeover portion and play water section, the delivery port of water tank and the bath mouth of toilet bowl bedpan are connected respectively with play water section to the section of intaking, the cross sectional area of the section of intaking, middle changeover portion and play water section diminishes in proper order. The utility model discloses a water -supply pathway designs into big -end -up's structure, and the pressure that flows extremely following water can improve to some extent to the inventor improves mouthful impulsive force of department's water of washing by water, improves the kinetic energy of water, and discovering to use the utility model discloses a time that water supply installation washed by water the production siphon is 1 -2