FOAM OUTPUT DEVICE EASY TO PRODUCE FOAM

• US 20120228332A1
• Filed: 03/11/2011
• Published: 09/13/2012
• Est. Priority Date: 03/11/2011
• Status: Active Grant

• Current Assignee: YU Chuang Esthetics Consultant Co., Ltd.
• Original Assignee: YU Chuang Esthetics Consultant Co., Ltd.
• Inventors: HUANG, CHING-SEN
• Granted Patent: US 8,430,107 B2
• Time in Patent Office: Days
• US Class Current: 222/190
• CPC Class Codes: A45D 2200/056 Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
• CPC Class Codes: A45D 24/26 with flexible walls of the liquid, paste, or powder storing device
• CPC Class Codes: B05B 11/043 designed for spraying a liquid B05B11/046 takes precedence
• CPC Class Codes: B05B 7/0037 including sieves, porous members or the like

Abstract

A foam output device easy to produce foam is composed of a nozzle seat, a one-way air intake valve, a nozzle and a filter. When conducting assembly, the filter is firstly set into the housing aperture of the nozzle seat. In turn, an through hole of the one-way air intake valve is engaged with sleeve of the nozzle seat, then the nozzle is assembled on the nozzle seat in such a manner that a clamping pieces of the nozzle clamp the coupling tabs on the nozzle seat, and that a hook on the clamping piece is in hooking engagement with a hook on the coupling tabs so as to fix together. The assembly of the present invention is thus completed in simple manner. In this way, a foam output device having simple element constitution, easy assembly and low manufacturing cost is thus provided.

Claims

1. A foam output device easy to produce foam, comprising:

a nozzle seat on which a joint part is formed, an assembly part being extended upwardly from said joint part;

a partition plate provided within said assembly part to separate the same into an upper chamber and a lower chamber;

a sleeve provided at the center of said partition plate;

an air vent provided on said partition plate and a one-way air intake valve provided below said partition plate, said one-way air intake valve having a through hole for engagement with said sleeve;

a planar shape elastic diaphragm formed on the peripheral wall of said one-way air intake valve, said elastic diaphragm being abutted parallelly against the bottom edge of said lower chamber;

a plurality of holding piece having flat and straight shape formed in mutually spaced manner, which are extended from the bottom of said one-way air intake valve and gaps are formed between said holding pieces for communicating with a filter housed within the housing aperture of said sleeve;

a plurality of perforations provided on the upper edge of said sleeve to communicate with a foam buffer zone provided within a nozzle mounted over said nozzle seat, said nozzle having a nozzle outlet to communicate with said foam buffer zone.

2. A foam output device easy to produce foam as claimed in claim 1, wherein a comb body is extended from the upper end of said nozzle and comb teeth are provided on said comb body, said nozzle outlet being extended into the inside of said comb body, a plurality of perforations being provided on said comb body to communicate with said nozzle outlet.

3. A foam output device easy to produce foam as claimed in claim 1, wherein a comb body is extended from the upper end of said nozzle and comb teeth are provided on said comb body, said nozzle outlet being extended into the inside of said comb body, a plurality of perforation being provided on the upper ends of said comb teeth to communicate with said nozzle outlet.

4. A foam output device easy to produce foam as claimed in claim 1, wherein a disk type end face concaved from outside toward inside is formed on the upper end of said nozzle, and perforations are formed on the center of said disk type end face to communicate with said nozzle outlet.

5. A foam output device easy to produce foam as claimed in claim 1, wherein stop portions for positioning purpose are respectively provided on the peripheral walls of said through hole of said one-way air intake valve and said sleeve engaged therewith.

6. A foam output device easy to produce foam as claimed in claim 5, wherein said filter has a filter main body and a filter net to be integrally formed on the upper end of said filter main body by injection molding.

7. A foam output device easy to produce foam as claimed in claim 6, wherein an air intake clearance is formed between the outer wall of said nozzle and said assembly part of said nozzle seat;

clamping pieces being formed at the inside of said nozzle and one of the clamping pieces having a hook part provided at the bottom edge of said clamping piece;

coupling tabs being formed to extend upwardly from said partition plate of said nozzle seat, which have hook portions provided at the upper edges of said coupling tabs;

said clamping pieces being used to clamp said coupling tabs and said hook part provided at the bottom edge of said clamping pieces being in hooking engagement with the hook portions provided on said coupling tabs.

8. A foam output device easy to produce foam as claimed in claim 1, wherein said filter has a filter main body and a filter net to be integrally formed on the upper end of said filter main body by injection molding.

9. A foam output device easy to produce foam as claimed in claim 1, wherein an air intake clearance is formed between the outer wall of said nozzle and said assembly part of said nozzle seat;

clamping pieces being formed at the inside of said nozzle and one of the clamping pieces having a hook part provided at the bottom edge of said clamping piece;

coupling tabs being formed to extend upwardly from said partition plate of said nozzle seat, which have hook portions provided at the upper edges of said coupling tabs;

said clamping pieces being used to clamp said coupling tabs and said hook part provided at the bottom edge of said clamping pieces being in hooking engagement with the hook portions provided on said coupling tabs.