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Pressing type foam pump

A foam pump, press-type technology, applied in the field of press-type foam pumps, can solve problems such as not suitable for machine flow operation, a little seepage, slow installation speed, etc.

Pending Publication Date: 2021-01-12
沈利庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its breathing piece needs to have an installation direction, and it needs to be installed in alignment during actual installation. The installation speed is slow, and it is not suitable for machine assembly.
[0004] In addition, after the foam pump absorbs liquid, there may be a little seepage when it is turned upside down or dumped. The reason is that during the reset process of the inlet air chamber, a little liquid will be sucked from the breathing piece, so that there is a small amount of liquid in the air inlet chamber. residual

Method used

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Embodiment Construction

[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0039] Such as figure 1 Shown, the present invention is a kind of pressing type foam pump, and it is made up of nozzle 1, bottle cap 2, bubbler 3, upper valve core 4, valve ring 5, upper piston 6, valve stem 7, spring 8, pump The casing 9, the lower valve core 10, and the lower piston 11 are composed. The bottom of the pump casing is provided with a one-way valve 12, and the valve stem is fixed in the middle of the pump casing through a seal 13.

[0040] The valve stem is a hollow tube, the bottom communicates with the liquid inlet chamber of the pump casing, and the top communicates with the mixing chamber. The outer wall of the valve stem is provided with a support ring, the bottom of which supports the spring 8, and the top of the support ring contacts the upper piston.

[0041] The pump casing is divided into upper part, middle part and lower part. The ...

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Abstract

A pressing type foam pump adopts an air inlet and outlet control mechanism formed by an upper valve element, a valve ring and an upper piston to achieve air exchange of an air-inlet cavity, the structure is convenient to install, free of a specific installation angle and beneficial to mechanical machining, and the problem that a small amount of liquid seeps out after water enters the air-inlet cavity of an original foam pump of a breathing piece structure is solved.

Description

technical field [0001] The invention relates to a pump, in particular to a novel pressing foam pump. Background technique [0002] The foam pump can pump the liquid in the bottle along the straw to the inside of the pump by pressing, and prevent the liquid from falling back along the straw by sealing the one-way valve at the top of the straw. When pressing next time, the piston is driven down, the liquid in the pump passes through the piston, and is ejected from the valve port above the pump. After being pressurized by the foamer, the liquid and air are mixed and extruded. [0003] I have applied for "foam pump with breathing sheet", the patent application number is CN201910659039.7. It consists of a nozzle pressing head, a screw cap and a pump body, wherein the pump body consists of a pump body shell, a liquid inlet check valve, a large piston, a main valve stem, a valve needle, a rod bottom piston, a spring, and a fixed collar. It has a unique design of the breathing pie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D47/34
CPCB05B11/1042B05B11/1001
Inventor 沈利庆
Owner 沈利庆
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