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Electric spray gun

An electric and spray gun technology, used in spray devices, liquid spray devices, etc., can solve problems such as damage, shortened service life, burns, etc., and achieve the effect of ensuring spraying quality, reducing surface temperature, and extending service life.

Pending Publication Date: 2020-01-10
宁波市康欣机电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The electric spray gun is a kind of electric tool used for spraying paint, coating, etc. Its motor power is large and its speed is about 32,000 revolutions per minute. The fan blades driven by the motor generate turbo compressed air. However, due to the limitation of the functional structure of the product, the air outlet of the electric spray gun is set at the position of the spraying port, so that the actual air discharge per minute is only about 80 square millimeters, resulting in heat accumulation in the electric spray gun It cannot be eliminated in time, which not only shortens the service life of the product, but also damages or changes the characteristics of the sprayed liquid if the temperature is too high; in addition, the heat transfer to the casing of the spray gun makes the surface temperature of the casing reach about 70°C, making the use of It is difficult for the user to hold the handle, and there is also a risk of burns

Method used

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Experimental program
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Effect test

Embodiment 1

[0028] Embodiment 1: As shown in the figure, in this embodiment, the handle 9 of the electric spray gun and the rear casing 15 for installing the motor and the fan are fixed or integrally arranged, and the rear casing 15 is connected with the front gun body 1, specifically for:

[0029]An electric spray gun, comprising a front gun body 1 for installing a valve stem 100, the front gun body 1 is provided with an auxiliary air outlet 11, the auxiliary air outlet 11 is independent from the air outlet 12 at the front end of the front gun body 1, and the auxiliary air outlet 11 communicates with the air passage 13 in the front gun body 1, and the auxiliary air outlet 11 is provided with an air outlet opening and closing control mechanism, which includes the first air cover 2, the rotating plate 3, the linkage plate 4 and the first spring 5. The first air cover 2 is fixed on the front gun body 1 and covers the auxiliary air outlet 11. The first air cover 2 is provided with a first ai...

Embodiment 2

[0032] Embodiment 2: As shown in the figure, an electric spray gun includes a front gun body 1 for installing a valve stem 100. An auxiliary air outlet 11 is arranged on the front gun body 1. The auxiliary air outlet 11 is connected to the front end of the front gun body 1. The air outlets 12 are independent of each other, the auxiliary air outlet 11 is connected with the air passage 13 in the front gun body 1, the auxiliary air outlet 11 is provided with an air outlet opening and closing control mechanism, and the air outlet opening and closing control mechanism includes a second air cover 18 and an air cap 19 , the second air cover 18 is fixed on the front gun body 1 and covers the auxiliary air outlet 11, the second air cover 18 is integrally provided with a mount 181, the mount 181 is provided with a third air outlet 182, the third air outlet 182 communicates with the auxiliary air outlet 11, and the air cap 19 is sleeved on the mounting base 181 and rotates with the mounti...

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Abstract

The invention discloses an electric spray gun which comprises a front gun body for mounting a valve rod and is characterized in that an auxiliary air outlet is formed in the front gun body; the auxiliary air outlet and an air outlet in the front end of the gun body are independent from each other; the auxiliary air outlet communicates with an air channel in the front gun body; and an air outlet opening and closing control mechanism is arranged on the auxiliary air outlet. The electric spray gun has the following advantages: the auxiliary air outlet in the front gun body is independent from theair outlet in the front end; and when spraying of the electric spray gun finishes, the air outlet opening and closing control mechanism is opened to discharge heat gathered in the gun body out of theauxiliary air outlet along with the air, so that the radiating effect is greatly improved, the surface temperature of the gun body is lowered, the service life of the spray gun is prolonged, and thecharacteristic of spraying liquid is not damaged or changed.

Description

technical field [0001] The present invention relates to a spray gun used for spraying paint, paint, etc., in particular to an electric spray gun. Background technique [0002] The electric spray gun is a kind of electric tool used for spraying paint, coating, etc. Its motor power is large and its speed is about 32,000 revolutions per minute. The fan blades driven by the motor generate turbo compressed air. However, due to the limitation of the functional structure of the product, the air outlet of the electric spray gun is set at the position of the spraying port, so that the actual air discharge per minute is only about 80 square millimeters, resulting in heat accumulation in the electric spray gun It cannot be eliminated in time, which not only shortens the service life of the product, but also damages or changes the characteristics of the sprayed liquid if the temperature is too high; in addition, the heat transfer to the casing of the spray gun makes the surface temperat...

Claims

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Application Information

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IPC IPC(8): B05B9/04B05B12/00B05B15/00B05B15/63
CPCB05B9/04B05B12/002B05B15/00B05B15/63
Inventor 张博森
Owner 宁波市康欣机电有限公司
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