# US 8,783,296 B2 · Water-saving antiblocking anti-splash waterfall head core

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- Number: US 8,783,296 B2
- Document ID: US8783296B2
- Status: Granted
- Kind: B2
- Application number: 13/057,150
- Filed: 2009-08-05
- Published: 2011-06-16
- Granted: 2014-07-22
- Earliest claimed: 2008-08-06
- Assignees: Yingtang Liu
- Applicants: Xingliang Liu; Yingtang Liu
- Inventors: Xingliang Liu; Yingtang Liu
- Web page: https://patentgrep.com/patent/US8783296B2

## CPC

- E03C 1/08: Jet regulators {or jet guides}, e.g. anti-splash devices
- B05B 1/3006: {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)}
- B05B 1/265: {the liquid or other fluent material being symmetrically deflected about the axis of the nozzle}
- B05B 1/34: designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl (designed to control volume of flow B05B1/30)
- E03C 2001/026: {with flow restricting devices}
- E03C: DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER (not connected to either water-supply main or to waste pipe A47K; devices of the kind used in the ground E03B, E03F); SINKS
- B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D)

## Abstract

A water-saving antiblocking anti-splash waterfall water curtain head core comprises a housing having an upper portion internally enlarged and a flow leading mouth set inside the housing; a block is set under the flow leading mouth, and there are spaces between the upper surface of the block and the exit of the flow leading mouth; the upper surface of the block is fixedly connected with a support rod going through the flow leading mouth; a flow leading bracket with through holes is fixedly connected to the internally enlarged upper portion and to a top of the support rod; the flow leading mouth is such sized to anti-block. During operation, the surface of the block equally blocks water flow and accordingly forms hollow film-like water curtain.

## Claims

### Claim 1

A water-saving antiblocking anti-splash waterfall head core comprises a housing (4) and a flow leading mouth (2) located inside the housing (4), wherein a block (3) is set under the flow leading mouth (2), with shape and size being fit for the flow leading mouth (2), and there are spaces between the upper surface of the block (3) and the exit of the flow leading mouth (2); the upper surface of the block (3) is fixedly connected with a support rod (14) going through the flow leading mouth (2); the support rod (14) is provided with a flow leading bracket (5) with through holes located above the flow leading mouth (2); the flow leading bracket (5) is fixedly set in the inner cavity of the housing (4);
wherein at the exit of the lower part of the housing (4) is set a flat step ring (13); the flow leading mouth (2) is set on the flat step ring (13); the flat step ring (13) and the housing (4) are an integrated structure; steps are set on the inner wall of the housing (4); the flow leading bracket (5) is supported at the steps; the support rod (14) is connected through screw threads to the flow leading bracket (5); the axis line of the support rod (14) coincides with the axis line of the flow rectification through-hole (6); the support rod (14) and the block (3) are provided with a screw thread through-hole inside them; a bolt (16) is set inside the screw thread through-hole; and the axis of the bolt (16) coincides with the axis line of the flow rectification through-hole (6); and
wherein the flow leading bracket (5) is provided with a pressure relief room (23); the flow leading bracket (5) that is on the top of the pressure relief room (3) is provided with a pressure relief passage joint (1) and the flow leading bracket (5) that is at the bottom of the pressure relief room (3) is provided with a pressure relief water outlet (24); a sealing baffle (17) is set on the top of the support rod (14) to cover the pressure relief water outlet (24); and a reset spring (19) is set between the upper surface of the sealing baffle (17) and the flow leading bracket (5).

### Claim 2 (depends on 1)

The water-saving antiblocking anti-splash waterfall head core set forth in claim 1, wherein the lower end of the block (3) is fixedly provided with an underhung feeler lever (20); the flow leading bracket (5) that is under the sealing baffle (17) is fixedly provided with a sealing ring (22).