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Sprayer

A technology of spraying device and spraying tube, which is applied in the direction of spraying device and liquid spraying device, which can solve the problems of slow filtering speed and poor filtering effect, and achieve good filtering effect

Inactive Publication Date: 2007-06-27
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yet the shortcoming of this spraying device is, its filter screen is to pass through the filter screen by the gravity of paint, because the general viscosity of paint is higher, so it is difficult to pass through the filter screen, so the filtering speed is slower, in addition, if the filter screen If the grid is large, the filtering effect will not be good

Method used

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Embodiment Construction

[0010] Referring to FIG. 1 , a spraying device 10 according to a preferred embodiment of the present invention includes a spray gun 102 and a paint tank 104 .

[0011] A transverse channel 1022 is disposed in the spray gun 102 . A piston 1024 is slidably disposed in the transverse channel 1022, and the piston 1024 is in close contact with the inner wall of the transverse channel 1022 so that gas cannot pass through. A horizontal L-shaped vent pipe 1026 is opened in the piston 1024 . One end of the transverse channel 1022 offers an outlet (not marked), and an air delivery pipe 106 and an air injection pipe 109 are all communicated with the outlet, the air delivery pipe 106 includes a first output port 1062, and the air injection pipe 109 includes a first The input port 1094, the air delivery pipe 106 and the air injection pipe 109 are respectively provided with a one-way valve 1064, 1092. Also be provided with an air extraction pipe 1027 and an inflation pipe 1028 in this spr...

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Abstract

The sprayer includes one spray gun and one paint tank. The spray gun includes an sucking pipe, one gas filling pipe and one nozzle connected to the paint tank. The paint tank includes one tank and one filtering net, which is set inside the tank to separate the inside into two, one upper and one lower, parts. The tank is communicated with atmosphere, and the lower part is communicated with the sucking pipe and the gas filling pipe through pipeline with valves for controlling the opening and closing of the sucking pipe and the gas filling pipe separately. The sprayer has high filtering speed, high filtering effect and high spraying effect.

Description

【Technical field】 [0001] The invention relates to a spraying device, in particular to a spraying device with a filtering device. 【Background technique】 [0002] Usually, we spray a layer of paint on the surface of various products such as computer cases, monitors, televisions, and even mobile phones, so as to achieve the effect of aesthetics and surface protection at the same time. The traditional spraying device is that the paint in the paint tank is sprayed directly after the trigger is pulled. However, paint spraying is a very delicate process, and there are usually poorly dispersed pigment aggregates in the paint. When this pigment aggregate is sprayed on the surface of the product, it will Cause coating film defects, make the product surface more easily damaged, and affect the appearance at the same time. [0003] The Chinese patent No. 93218471.5 announced on May 18, 1994 discloses a spraying device, which is provided with a filter cup in the paint tank, and a filter ...

Claims

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Application Information

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IPC IPC(8): B05B7/02
Inventor 萧博元
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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