FAUCET SPRAY HEAD

• US 20080105764A1
• Filed: 10/24/2007
• Published: 05/08/2008
• Est. Priority Date: 10/25/2006
• Status: Active Grant

• Current Assignee: Delta Faucet Company (Masco Corporation)
• Original Assignee: Masco Corporation Of Indiana (Masco Corporation)
• Inventors: Jianglin, Yan, Ximin, Chen
• Granted Patent: US 8,152,078 B2
• Time in Patent Office: Days
• US Class Current: 239/526
• CPC Class Codes: B05B 1/1618 where said valve is a double-seat lift valve
• CPC Class Codes: B05B 1/3013 the controlling element being a lift valve B05B1/3006, B05B1/3033 take precedence; lift valves in general F16K1/00
• CPC Class Codes: Y10T 137/87708 With common valve operator

Abstract

A faucet spray head or gun body arrangement, including a spray gun body, a spray gun press handle, a spray gun inner core tube and control means, the spray gun press handle being movably fixed on the spray gun body, the spray gun inner core tube being disposed in the spray gun body, and the control means engaging with the spray gun inner core tube and the spray gun press handle, wherein two outlet waterways are provided in the spray gun inner core tube, and the control means is provided with a movable central pin controlling and shifting the two outlet waterways of the spray gun inner core tube.

Claims

1. A faucet spray gun arrangement comprising a spray gun body defining a vertical axis, a spray gun press handle, a spray gun inner core tube and a control assembly, the spray gun press handle being movably fixed on the spray gun body, the spray gun inner core tube being disposed in the spray gun body, and the control assembly engaging with the spray gun inner core tube and the spray gun press handle, characterized in that two outlet waterways are provided in the spray gun inner core tube, and the control assembly is provided with a vertically movable central pin controlling and shifting the two outlet waterways of the spray gun inner core tube respectively.

2. The faucet spray gun arrangement as claimed in claim 1, characterized in that a receiving chamber is provided in the spray gun body to receive the spray gun inner core tube, and is connected at its lower end to a water inlet tube and at its upper end to an outlet nozzle, and in that an open area is provided in a front portion of the spray gun body to receive the spray gun press handle.

3. The faucet spray gun arrangement as claimed in claim 1, characterized in that the spray gun inner core tube is fixed in the spray gun body via an anti-release snap ring.

4. The faucet spray gun arrangement as claimed in claim 1, characterized in that the spray gun press handle is shaped in response to the position of the open area of the spray gun body and provided at its upper end with a lug outside of which a limiting face is formed, and in that the lug is embedded in the upper end of the open area of the spray gun body.

5. The faucet spray gun arrangement as claimed in claim 4, characterized in that the spray gun press handle is formed at its lower end with an end face on which a recess is disposed.

6. The faucet spray gun arrangement as claimed in claim 4, characterized in that the spray gun press handle is formed at its lower end with an end face on which inner side a limiting snap hook is provided.

7. The faucet spray gun arrangement as claimed in claim 1, characterized in that the spray gun inner core tube includes a lower core tube and an upper core tube, in that a water inlet port is provided at the lower portion of the lower core tube, and an accommodating seat and a water outlet pipeline are formed in the upper portion thereof, in that a water inlet port is provided in the side wall of the accommodating seat, in that a sink cavity is formed in the middle portion of the lower core tube in the direction facing the spray gun press handle, in that the interior of the sink cavity is designed as a stepped configuration and the middle portion is communicated with the water outlet pipeline, in that a protruding post is formed at the bottom of the sink cavity, in that the upper core tube forms first and second outlet waterways, in that a stepped sink cavity is formed in the longitudinal direction of the lower portion of the upper core tube, in that in the middle portion at the left side of the sink cavity are provided a water inlet port communicated with the first outlet waterway and the above mentioned water inlet port, and in the upper portion at the right side of the sink cavity is provided a water inlet port communicated with the second outlet waterway, and in that, closely adjacent to the water inlet port and on the right side wall of the sink cavity is provided a water inlet port communicated with the water outlet pipeline of the lower core tube.

8. The faucet spray gun arrangement as claimed in claim 7, characterized in that a protruding post or a groove is formed on the bottom of the sink cavity of the lower core tube, and in that a protruding post or a groove is formed on the upper portion of the sink cavity of the upper core tube.

9. The faucet spray gun arrangement as claimed in claim 1, characterized in that the control assembly comprises switch assembly and shift assembly.

10. The faucet spray gun arrangement as claimed in claim 9, characterized in that the switch assembly comprises a switch central pin, a central pin guide sleeve and a return spring, in that a post body is formed in the front portion of the switch central pin and mates with an inner cavity surface of the central pin guide sleeve, in that an inverted tapered post is formed in the middle portion of the switch central pin and has an outer diameter greater than the inner cavity diameter of the central pin guide sleeve and less than the inner diameter of a middle inner cavity of the sink cavity, in that a cylindrical surface is formed at the rear portion of the switch central pin and mates with the inner wall surface of the bottom of the sink cavity, in that a side wall of the central pin guide sleeve is provided with a water inlet port, in that the central pin guide sleeve is fixed at the front end of the sink cavity and its water inlet port is positioned in alignment with a water outlet pipeline opening in the upper portion of the sink cavity, in that the rear end of the return spring is disposed around a protruding post on the bottom of the sink cavity or embedded in a groove on the bottom of the sink cavity, and the front end of the return spring abuts in a counterbore or on a protruding post formed at the rear end of the switch central pin.

11. The faucet spray gun arrangement as claimed in claim 10, characterized in that an abutting head is disposed at the front end of the central pin, and an embedding groove is provided on the inner wall surface of the spray gun press handle corresponding to the abutting head.

12. The faucet spray gun arrangement as claimed in claim 9, characterized in that the shift assembly comprises a shift central pin and a return spring, in that a tapered post is formed in the upper portion of the shift central pin and has an outer diameter greater than the inner cavity diameter of the upper portion of sink cavity and the inner cavity diameter of the accommodating seat of the lower core tube, in that a cylindrical body is formed in the lower portion of the shift central pin and accommodated in the accommodating seat of the lower core tube, in that the upper end of the return spring is disposed around the protruding post in the upper portion of the sink cavity or embedded in a groove in the upper portion of the sink cavity, and the lower end thereof abuts in a counterbore or protruding post formed in the upper end of the shift central pin.

13. The faucet spray gun arrangement as claimed in claim 12, characterized in that one side of the lower portion of the shift central pin of the shift assembly engages with the lower portion of a shift lever, and the middle portion of the shift lever is embedded on the side wall of the lower core tube.

14. The faucet spray gun arrangement as claimed in claim 9, characterized in that said control assembly is fixed on the spray gun inner core tube via a central pin snap ring.

15. A faucet spray gun arrangement comprising:

a spray gun body;

a handle movably supported by the body;

an inner core tube positioned within the spray gun body and including an inlet and a pair of outlets;

a switch assembly operably coupled to the handle and cooperating with the inner core tube to control water flow through the inlet of the inner core tube; and

a shift assembly operably coupled to the handle and positioned in spaced relation to the switch assembly, the shift assembly cooperating with the inner core tube to shift water flow between the pair of outlets.

16. The faucet spray gun arrangement of claim 15, wherein the handle is operably coupled to the switch assembly and the shift assembly such that movement of the handle to a first degree moves only the switch assembly and movement of the handle to a second degree moves both the switch assembly and the shift assembly.

17. The faucet spray gun arrangement of claim 15, wherein the shift assembly includes a movable central pin controlling and shifting the pair of outlets of the inner core tube.

18. The faucet spray gun arrangement of claim 17, wherein the switch assembly includes a central pin movable in a direction perpendicular to the central pin of the shift assembly and controlling water flow through the inlet of the inner core tube.

19. The faucet spray gun arrangement of claim 15, wherein the shift assembly is disposed substantially perpendicular to the switch assembly.

20. The faucet spray gun arrangement of claim 15, wherein the handle is pivotally supported by a front portion of the spray gun body and configured to be pressed by the fingers of a user holding the spray gun body.

21. A faucet spray gun arrangement comprising:

a spray gun body;

a handle movably supported by the body;

a switch assembly operably coupled to the handle for movement in a first direction to activate water flow through an inlet; and

a shift assembly operably coupled to the handle for movement in a second direction at an angle relative to the first direction to shift water flow between a plurality of different outlets.

22. The faucet spray gun arrangement of claim 21, wherein the handle is operably coupled to the switch assembly and the shift assembly such that movement of the handle to a first degree moves only the switch assembly and movement of the handle to a second degree moves both the switch assembly and the shift assembly.

23. The faucet spray gun arrangement of claim 21, wherein the shift assembly is disposed substantially perpendicular to the switch assembly.

24. The faucet spray gun arrangement of claim 21, wherein the handle is pivotally support by a front portion of the spray gun body and configured to be pressed by the fingers of a user holding the spray gun body.