Showerhead capable of discharging residual water

Patent metadata

Field	Value
Publication number	US-11014115-B2
Application number	US-201716346388-A
Country	US
Kind code	B2
Filing date	Mar 30, 2017
Priority date	Dec 19, 2016
Publication date	May 25, 2021
Grant date	May 25, 2021

Abstract

A showerhead including a connection base and a surface cover assembly, with a water outflow cavity formed therebetween. The surface cover assembly has a water discharging hole, and includes a surface cover body and a water outflow surface cover that are mounted and connected on the connection base. The water outflow surface cover has a water outflow hole, the lower periphery of which extends downward to form a water outflow port. The water outflow surface cover is attached against the upper face of the surface cover body, and the water outflow port passes through the surface cover body. The upper periphery of the water outflow hole extends upwards to form a water blocking peripheral wall. The showerhead also includes a valve that cooperates with the water discharge hole to close and open the water discharge hole when the water supply is on and off, respectively.

First claim

The invention claimed is:

1. A showerhead capable of discharging residual water, comprising:
a connection base,
a surface cover assembly, and
a valve, wherein:
the connection base is connected to the surface cover assembly to form a water outflow cavity between the connection base and the surface cover assembly,
the surface cover assembly comprises a water discharging hole, a surface cover body, and a water outflow surface cover,
the surface cover body and the water outflow surface cover are connected to the connection base,
the water outflow surface cover comprises a water outflow hole passing through a top surface and a bottom surface of the water outflow surface cover,
a lower periphery of the water outflow hole extends downward to form a water outflow port,
the water outflow surface cover abuts a top surface of the surface cover body, and
the water outflow port passes through the surface cover body,
an upper periphery of the water outflow hole extends upward to form a water blocking peripheral wall,
the valve cooperates with the water discharging hole,
when water flows into the water outflow hole:
a hydraulic force of the water acts on the valve to enable the valve to move downward to close the water discharging hole, and

when the water does not flow into the water outflow hole:
an elastic body acts on the valve to enable the valve to move upward to open the water discharging hole, and

residual water in the water outflow cavity is discharged from the water discharging hole.

2. The showerhead capable of discharging residual water according to claim 1 , wherein:
the connection base is disposed with an inlet waterway configured to connect to an external water supply source,
the inlet waterway is connected to the water outflow cavity,
the surface cover body comprises hole passing through the top surface and a bottom surface of the surface cover body, and
the water outflow port cooperates with the hole of the surface cover body and extends to a lower side of the surface cover body.

3. The showerhead capable of discharging residual water according to claim 1 , wherein the connection base is disposed with a ventilation passage passing through an inner side and an outer side of the connection base.

4. The showerhead capable of discharging residual water according to claim 3 , wherein:
the connection base is disposed with an aerator, and
the ventilation passage defines a suction passage of the aerator.

5. The showerhead capable of discharging residual water according to claim 1 , wherein the water discharging hole is disposed at a center of the surface cover assembly.

6. The showerhead capable of discharging residual water according to claim 1 , wherein an inlet of the water discharging hole is not higher than the top surface of the water outflow surface cover.

7. The showerhead capable of discharging residual water according to claim 1 , wherein:
the surface cover body comprises a first through hole passing through the top surface and a bottom surface of the surface cover body,
the water outflow surface cover comprises a second through hole, passing through the top surface and the bottom surface of the water outflow surface cover,
the first through hole cooperates with the second through hole, and
the water discharging hole comprises the first through hole and the second through hole.

8. The showerhead capable of discharging residual water according to claim 7 , wherein:
the top surface of the surface cover body is convex to define a convex ring wall configured to surround the first through hole,
the second through hole of the water outflow surface cover is coupled to and surrounds an outer side of the convex ring wall, and
a top surface of the convex ring wall is not higher than the top surface of the water outflow surface cover.

9. The showerhead capable of discharging residual water according to claim 8 , wherein:
an inner wall of the first through hole is tapered such that an upper end of the inner wall is larger than a lower end of the inner wall.

10. The showerhead capable of discharging residual water according to claim 7 , wherein the valve cooperates with the first through hole to enable the valve to control the first through hole to be opened and to be closed.

11. The showerhead capable of discharging residual water according to claim 1 , wherein:
the valve comprises a valve core, a valve stem fixed to a top of the valve core, and the elastic body connected to the connection base and the valve stem,
the valve core is connected to the connection base and is configured to move between an upper position and a lower position relative to the connection-base,
when the water flows into the water outflow hole:
the hydraulic force of the water acts on the valve core to enable the valve core to move from the upper position to the lower position, and
the valve core cooperates with the water discharging hole to close the water discharging hole, and

when the water does not flow into the water outflow hole:
the elastic body acts on the valve stem to enable the valve core to be reset to the upper position, and
the valve core moves away from the water discharging hole to open the water discharging hole.

12. The showerhead capable of discharging residual water according to claim 11 , wherein:
a center of a bottom surface of the valve core is fixed with a column rod and a plurality of water guide sheets fixed to the column rod,
the plurality of water guide sheets are fixed to the bottom surface of the valve core, and
a width of each of the plurality of water guide sheets of the valve core decreases is gradually from a bottom end of each of the plurality of water guide sheets to the bottom surface of the valve core.

13. The showerhead capable of discharging residual water according to claim 1 , wherein:
the connection base is disposed with an inlet waterway configured to be connected to an external water supply source,
the inlet waterway is connected to the water outflow cavity,
a water outlet of the inlet waterway extends inward to define a supporting plate,
the surface cover body comprises a hole passing through the top surface and a bottom surface of the surface cover body,
the water outflow port cooperates with the hole of the surface cover body and extends to a lower side of the surface cover body,
the valve comprises a valve core, a valve stem fixed to a top of the valve core, and the elastic body,
the valve stem passes upward through the supporting plate,
an upper end of the valve stem is fixed with a baffle,
the elastic body surrounds the valve stem,
the elastic body is disposed between and abuts the baffle and the supporting plate,
the valve core is connected to the connection base and is configured to move between an upper position and a lower position relative to the connection base,
when the water flows into the water outflow hole:
the hydraulic force of the water acts on the valve core to enable the valve core to move from the upper position to the lower position, and
the valve core cooperates with the water discharging hole to close the water discharging hole, and

when the water does not flow into the water outflow hole:
the elastic body acts on the valve stem to enable the valve core to be reset to the upper position, and
the valve core moves is away from the water discharging hole to open the water discharging hole.

Assignees

• Xiamen Solex High Tech Ind Co Ltd

Inventors

• Huang Xi
• Chen Donghai
• Zhang Mingfu

Classifications

• B05B1/18

  Roses; Shower heads · CPC title

• B05B1/185

  characterised by their outlet element; Mounting arrangements therefor · CPC title

• B05B7/005

  wherein ambient air is aspirated by a liquid flow · CPC title

• B05B1/323 Primary

  the valve member being actuated by the pressure of the fluid to be sprayed (single unit outlet valves actuated by the pressure of the fluid to be sprayed B05B11/0062) · CPC title

• B05B1/3006

  the controlling element being actuated by the pressure of the fluid to be sprayed (B05B1/323 takes precedence; single-unit outlet valves actuated by the pressure of the fluid to be sprayed B05B11/0062) · CPC title