CN101817429B

CN101817429B - Foam pump

Info

Publication number: CN101817429B
Application number: CN2010101561081A
Authority: CN
Inventors: 王金峰
Original assignee: NINGBO SENG CZE MACROSPRAY CO Ltd
Current assignee: NINGBO SENG CZE MACROSPRAY CO Ltd
Priority date: 2010-03-30
Filing date: 2010-03-30
Publication date: 2011-12-28
Anticipated expiration: 2030-03-30
Also published as: CN101817429A

Abstract

The invention relates to the field of atomizing equipment, in particular to a foam pump, aiming at overcoming the defects that the existing foam pump has poor bubble forming capability and unreasonable structure, easily causes blocking and air leakage, or is not beneficial to installation, and the like. The invention provides the foam pump which has scientific and reasonable structure and design and strong bubble forming capability, and hardly causes blocking and air leakage; the foam pump comprises an elbow, a pump body, a foam net, a piston, a lower piston, a spring, a profiled bar and a base, wherein the foam net has double-layer structure. The foam pump also comprises a carding piece, the middle part of the piston is provided with an n-shaped arch, and the carding piece is positioned under the n-shaped arch in the middle part of the piston. The foam pump has scientific and reasonable structure, does not cause blocking and air leakage, is good in bubble forming effect as well as simpler and more convenient for production and assembly, and has high reliability and longer service life when in use.

Description

Foam pump

Technical field

Liquid discharging device using it of the present invention field, what be specifically related to is a kind of foam pump.

Background technology

Well-known, face area can exert an influence to performance, the material of same amount, and particle is more little, and face area is big more, and its performance is also just remarkable more, such as articles for washing, foam is fine and smooth more, and is abundant more, and cleaning power is just strong more.

Along with improving constantly of living standards of the people, occasions such as daily cosmetics, medicine have used foam pump widely, and scientific and technical personnel are arranged for this reason, and constantly it does the technological improvement that makes new advances.

At present, common on the market Foam emulsion pump is just like Chinese patent zL01257855.x disclosed " a kind of Foam emulsion pump ", and it is by shower nozzle, bottle cap, gas piston, connection pipe, spring, the pump housing, filter screen, check valve, guide pillar, beaded glass etc. constitute up and down.The Foam emulsion pump of this structure constitutes as the pump housing that emulsion is drunk up owing to adopting by milk conduit and the spring, guide pillar, the emulsion plug that are installed in the conduit, not only form complex structure, assembling inconvenience, make productive costs increase, and the emulsion on its pump can only flow through from the very little drain gap that forms between emulsion plug and the guide pillar, make emulsion in the uncork use, after inactive a period of time, its pump housing is easy to be stopped up by dry and hard emulsion piece, causes the pump housing normally emulsion not to be drunk up and affects user's normal use.

The patent No. is 200620109913.8 Chinese patent " foam pump ", it comprises head, be located at foam screen, a upper end part in the head drain pipe be set in the head and thread, the body that upper open end is captiveed joint with thread and the bead that is located at the body liquid inlet of free-running fit with it; It is characterized in that: also comprise hollow the last principal post that is located in the thread, its section is convex shape, and the drain pipe that upper open end is positioned at head is flush fit with it also, and its lower open end is provided with bayonet socket; Also comprise being located at thread and intrinsic hollow down principal post, its upper open end is positioned at also flush fit with it of principal post, and its lower open end is positioned at the liquid-in pipe of body; Also comprise spring, it is set in down outside the principal post; Also comprise being located at thread and intrinsic cylinder piston, its upper open end is located in the bayonet socket of principal post, and the outer wall of lower open end contacts with inner body wall and is sealed and matched; Comprise that also being located at body reaches the interior subpost of principal post down, it is located at down the lower open end of principal post, and it can will descend the lower open end of principal post to open or close; Also comprise liquid piston, it is set in outside the subpost, and its defective is that air inlet is to realize by the free-running fit between last principal post and the following principal post, so, there is defective in this structure, is if excessive clearance does not then have the check valve effect, if the gap is too small, then stop up easily, cause air inlet ineffective, result of use is not satisfactory; Compression spring directly is supported between body and the following principal post, causes the foam pump excessive height, is unfavorable for installing and using; Foaming structure is too simple, and foam effect is undesirable; Piston structure is too complicated, is unfavorable for making using.

Summary of the invention

Make the bubble ability in order to overcome existing foam pump existence, unreasonable structure, the gas leakage that results in blockage easily, or be unfavorable for deficiencies such as installation, the objective of the invention is to: it is strong to provide a kind of scientific structure design reasonably to make the bubble ability, is not easy to stop up the foam pump of gas leakage.

The technical solution adopted for the present invention to solve the technical problems is as follows: a kind of foam pump comprises elbow, the pump housing, foam web, piston, lower piston, spring, push rod, base; Foam web is positioned under the elbow, is nested in the elbow, and foam web is connected with piston, and lower piston is arranged in the piston upper/lower positions, and push rod is nested in the lower piston, and ring spring is outside push rod, and the push rod bottom is nested in base top; Also comprise ball float and suction pipe, ball float is positioned at the base below, is stuck between the pump housing and the suction pipe; Described foam web is a multiple-structure, just the structure more than 2 layers or 2 layers, preferably layer 2-3.

Also comprise branch comb sheet, the piston middle part has n shape encircles, and branch comb sheet is positioned under the n shape arch at piston middle part.

Also comprise pad and screw collar, pad is between the screw collar and the pump housing.

There is bending at described suction pipe middle part.

Also comprise the elbow foam web, described elbow foam web is positioned at the elbow liquid outlet.

Beneficial effect of the present invention is:

The employing multilayer, preferred two-ply foam web frame produces more finer and smoother foams when the liquid jet, improve the performance of the washing care product of using this structure, makes its cleaning and sterilization effects better.

Adopt and divide the comb chip architecture, carried out the performance of shunting enhanced foaming when gas is entered, also be not easy gas leakage on the other hand.

Of the present invention scientific and reasonable for structure, the gas leakage that can not result in blockage, it is effective to make bubble, and production assembles up more simple and convenient, uses the reliability height, longer service life.

The present invention adopts the suction-pipe structure of bending, place, base at the bottom of the suction pipe mouth can be placed in bottle, improving the interior liquid Occupation coefficient of bottle reaches more than 10%, at the bottom of the prior art straight tube structure can not arrive at the mouth of pipe bottle, because such being provided with can influence fluid, then there is not the problem of this respect in structure of the present invention, can contact with the bottle end at the bottom of adopting the bending structure suction pipe, the bevelled mouth of pipe has brought space and facility to feed liquor, though the structure of this change is also uncomplicated, but brought new thinking for the liquid discharging device using it field, and improve the degree of utilization of liquid in container, reach and save energy-conservation effect.

Description of drawings

Fig. 1 is the section integral structure scheme drawing of foam pump of the present invention.

The specific embodiment

The present invention is further described below in conjunction with drawings and Examples, but not as a limitation of the invention.

See also the embodiment of foam pump of the present invention shown in Figure 1,

A kind of foam pump comprises elbow 1, the pump housing 10, foam web 2, piston 6, lower piston 7, spring 8, push rod 9, base 11; Foam web 2 is positioned at elbow 1 bottom, is nested in the elbow 1, and foam web 2 is connected with piston 6, and lower piston 7 is arranged in piston 6 upper/lower positions, and push rod 9 is nested in the lower piston 7, and spring 8 is looped around outside the push rod 9, and push rod 9 bottoms are nested in base top; Also comprise ball float 12 and suction pipe 13, ball float 12 is positioned at the base below, and described ball float 12 is a beaded glass, is stuck between the pump housing 10 and the suction pipe 13; Described foam web 2 is a double-decker.Also comprise branch comb sheet 3, piston 6 middle parts have n shape arch, and the n shape of dividing the comb sheet to be positioned at piston 6 middle parts is encircleed down.Also comprise pad 4 and screw collar 5, pad 4 is between the screw collar 5 and the pump housing 10.

During installation lower piston 7, spring 8, be placed on the push rod 9, fasten with base; Ball is put into the pump housing 10; Divide the comb sheet to be pressed in the piston 6, again push rod 9 assemblies such as grade are pressed into.

Also comprise elbow foam web 2.1, described elbow foam web is positioned at the liquid outlet of elbow.

When work, press down elbow 1, drive lower piston 7 and move downward, contract in the spring 8, lower piston 7 separates with push rod 9; Because the pump housing 10 end openings have beaded glass to seal, lower piston 7 moves down, and the space reduces, and air pressure increases, and it is upwards mobile with the mesopore of push rod 9 to make that liquid passes through lower piston 7, through foam web 2 foamed, sprays from the elbow hole; Press down elbow 1, drive piston 6 and move downward, air pressure increases, and makes gas flow to foam web 2 through undue comb sheet; Elbow 1 press down cancellation, spring 8 resiliences drive lower piston 7 and move up, the gap sealing of lower piston 7 and push rod 9 continues to drive and lives down that plug moves up; Make the pump housing 10 interior spaces increase, air pressure reduces, and liquid suction passage 13 in the bottle is washed beaded glass open, flows in the pump housing 10; The bottle internal gas pressure can be worked as elbow when pressing down, and by the pump housing 10 top aperture return-airs, obtains internal and external pressure balance; Press down elbow and so forth, foam can be provided with elbow foam web 2.1, further foamed during fluid, formed foam uniform and smooth continuously from the ejection of elbow hole in the elbow liquid outlet.

Above-described embodiment, the present invention specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.

Claims

1. a foam pump comprises elbow, the pump housing, foam web, piston, lower piston, spring, push rod, base; Ball float, suction pipe divides the comb sheet, pad, screw collar; Elbow is provided with liquid outlet; It is characterized in that: also comprise the elbow foam web; Foam web is positioned at the elbow bottom, is nested in the elbow, and foam web is connected with piston, and lower piston is arranged in the piston upper/lower positions, and push rod is nested in the lower piston, and ring spring is outside push rod, and the push rod bottom is nested in base top; Comprise that also ball float is positioned at the base below, ball float is a beaded glass, is stuck between the pump housing and the suction pipe; Described foam web is a double-decker; The piston middle part has n shape encircles, and branch comb sheet is positioned under the n shape arch at piston middle part; Pad is between the screw collar and the pump housing; Described elbow foam web is positioned at the liquid outlet of elbow.