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Pneumatic return lotion pump

A reset type, lotion pump technology, applied in the field of lotion pump, can solve the problems of inconvenient assembly, complex structure, polluted lotion, etc., and achieve the effect of preventing contamination of liquid and convenient assembly and coordination.

Active Publication Date: 2015-04-01
ZHONGSHAN LEUNCHEONG DISPENSING PUMP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing problems are: due to the setting of the spring, the structure is complicated, the assembly is inconvenient, and the spring pollutes the emulsion

Method used

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  • Pneumatic return lotion pump
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Experimental program
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Effect test

Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings.

[0018] Such as figure 1 As shown, an air pressure reset lotion pump includes a press head 1, a thread 2, a body 3, a gasket 4, a piston 5, a ball 6 and an auxiliary column 7, and the press head 1 has a liquid outlet nozzle 1A and The catheter interface 1B, the liquid outlet nozzle 1A is connected with the catheter interface 1B; the upper end of the body 3 is connected to the thread 2, and the gasket 4 is located at the lower part of the outer edge of the upper end of the body and fits it; the lower part of the body 3 The upper end of the liquid inlet port 8 has an inverted truncated cone-shaped one-way valve seat 9, the ball 6 is arranged on the one-way valve seat 9, the lower end of the auxiliary column 7 cooperates with the ball 6, and the lower end of the auxiliary column 7 and the body 3 The bottom plate cooperates; the piston 5 and the inner cavity of the body 1 ...

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Abstract

The invention provides a pneumatic return lotion pump. The pneumatic return lotion pump comprises a pressing head, threads, a body, a piston, a ball and an auxiliary column; a tube is arranged on the piston in the axis direction of the piston; the tube is divided into an upper tube body located at the top of the piston and a lower tube body located at the bottom of the piston; a cylindrical seat is arranged in the upper tube body; the pneumatic return lotion pump further comprises a needle column; the upper tube body is inserted into the connector of the flow guide tube of the pressing head; the piston is in sliding fit with an upper cavity and liquid / air-sealed, and the lower tube body is in sliding fit with a lower cavity and liquid-sealed; the upper end of the needle column is matched with the cylindrical seat in the upper tube body to be stopped in position, while the lower end of the needle column extends into the auxiliary column; the lower end of the needle column is matched with the upper end of the auxiliary column to be stopped in position. An airtight space is formed by the piston and the base plate of the upper tube body of the body; in the up-and-down movement process of the piston, the airtight space is deformed; when pressure on the pressing head is removed, the airtight space returns and then the pressing head returns automatically; compared with the prior art, a pressure spring is omitted and the liquid is prevented from being polluted by the spring; the pneumatic return lotion pump is convenient to assemble.

Description

technical field [0001] The invention relates to a lotion pump. Background technique [0002] In the current prior art, a lotion pump includes a press head, a thread, a body, a piston, a spring, a ball, a main column and an auxiliary column, the press head has a liquid nozzle and a catheter interface, and the body The upper end of the main body is connected with the thread, and the upper end of the liquid inlet interface at the lower part of the body has an inverted truncated cone-shaped one-way valve seat, the ball is set on the one-way valve seat, and the lower end of the auxiliary column cooperates with the ball; Airtight and slip fit. The existing problems are: due to the setting of the spring, the structure is complicated, the assembly is inconvenient, and the spring pollutes the emulsion. Contents of the invention [0003] The object of the present invention is to provide an air pressure reset emulsion pump, which has the characteristics of automatic reset and no po...

Claims

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Application Information

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IPC IPC(8): B65D47/34
CPCB05B9/04B05B9/0403
Inventor 林添大
Owner ZHONGSHAN LEUNCHEONG DISPENSING PUMP
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