CN106508866B

CN106508866B - Electric powder spraying device

Info

Publication number: CN106508866B
Application number: CN201710004422.XA
Authority: CN
Inventors: 刘柱源
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-01-04
Filing date: 2017-01-04
Publication date: 2022-07-22
Anticipated expiration: 2037-01-04
Also published as: CN106508866A

Abstract

The invention discloses an electric powder spraying device, which comprises a host and a discharging rod, wherein the host comprises a controller, a power supply device, a powder bin and an air supply device, and the host is also provided with a proportional valve with an adjusting handle; the proportional valve is provided with a powder outlet, a proportional valve air inlet and a powder inlet; the lower part of the powder bin is provided with a through hole; a powder suction cover is arranged above the through hole; proportional valve air inlet and through-hole are connected with air feeder, inhale powder cover and powder access connection, adopt the proportional valve to adjust the concentration of spraying the powder, make the gas-powder mixture and the air of continuous high concentration mix in the powder exit of proportional valve, the gas-powder mixture concentration that sprays can not change along with the increase and decrease of powder volume in the powder storehouse, the gas-powder mixture concentration that makes to spray can be continuous, stable, the gas-powder mixture distributes evenly in the termite passageway, and can pass the termite passageway and get into the termite nest, spill on most termites, easily do the mesh of prevention and cure whole nest termite.

Description

Electric powder spraying device

Technical Field

The invention relates to a tool for killing pests such as white ants and the like, in particular to a particle spraying device.

Background

The same applicant as the present application previously filed a patent application entitled "an electrically operated particulate spray device", publication No. CN 106035302 a ", the material suction nozzle which can move up and down is adopted, the concentration of the gas-powder mixture is adjusted by adjusting the up-and-down position of the material suction nozzle, the electric particle spraying device adopts the electric tool to replace the prior manual operation mode, indeed effectively improves the spraying efficiency and the spraying quality of the powder, reduces the labor intensity, however, in the following practical use process, the applicant finds that as the powder amount in the powder bin is gradually reduced, the distance between the powder surface and the material suction nozzle is also continuously increased, the concentration of the sprayed gas-powder mixture is also gradually reduced, the position of the material suction nozzle needs to be continuously adjusted in the working process to ensure the stable concentration of the sprayed gas-powder mixture, namely, the technical scheme has the defects in the stability of the concentration of the gas-powder mixture.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the electric powder spraying device which is stable in concentration of the sprayed gas-powder mixture and convenient to use.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an electric powder spraying device comprises a host and a discharge rod, wherein the host comprises a controller, a power supply device, a powder bin and an air supply device, and the host is also provided with a proportional valve with an adjusting handle; the proportional valve is provided with a powder outlet, a proportional valve air inlet and a powder inlet; the lower part of the powder bin is provided with a through hole; a powder suction cover is arranged above the through hole; the air inlet and the through hole of the proportional valve are connected with the air supply device, the powder suction cover is connected with the powder inlet, and the powder outlet is connected with a discharge pipe joint arranged on the side wall of the main machine.

The main machine is provided with an air chamber, the air chamber is provided with an air chamber air inlet and two air chamber air outlets, the air chamber air inlet is connected with the air supply device, and the two air chamber air outlets are respectively connected with the through hole and the proportional valve air inlet.

An air chamber cover is installed in the through hole and is in threaded connection with an air chamber air outlet connected with the through hole, and a powder bin air inlet hole is formed in the top of the air chamber cover.

The top of the air chamber cover is provided with an elastic sealing piece which covers the powder chamber air inlet, and the center of the elastic sealing piece is fixed on the air chamber cover.

The upper part of the air chamber cover is also provided with a fixed support, and a screen is arranged above the fixed support.

And a concentration sensor electrically connected with the controller is arranged at the joint of the discharge pipe.

The lower end of the discharge rod is provided with a remote control button, and the discharge rod is connected with a discharge pipe connector through a hose.

And a wind power display is arranged on the outer wall of the main machine.

The invention has the beneficial effects that: the invention adopts the proportional valve to adjust the concentration of the sprayed powder, so that the continuous high-concentration gas-powder mixture and the air are mixed at the powder outlet of the proportional valve, the concentration of the sprayed gas-powder mixture can not change along with the increase and decrease of the powder in the powder bin, the concentration of the sprayed gas-powder mixture can be continuous and stable, the gas-powder mixture is uniformly distributed in termite channels and can pass through the termite channels to enter termite nests and be sprayed onto most of the termites, and the purpose of controlling the termites in the entire termite nest can be easily achieved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the external structure of the host computer of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the host according to the present invention;

fig. 4 is a partial structural schematic diagram of the present invention.

Detailed Description

Referring to fig. 1 to 4, an electric powder spraying device comprises a host 1 and a discharging rod 2, wherein the host 1 comprises a controller, a power supply device 3, a powder bin 4 and an air supply device 5, and the host 1 is further provided with a proportional valve 7 with an adjusting handle 6; the proportional valve 7 is provided with a powder outlet 8, a proportional valve air inlet 9 and a powder inlet 10; the lower part of the powder bin 4 is provided with a through hole; a powder suction cover 12 is arranged above the through hole, the air inlet 9 of the proportional valve and the through hole are connected with the air supply device 5 through a hose, the powder suction cover 12 is connected with the powder inlet 10 through a hose, the powder outlet 8 is connected with a discharge pipe connector 13 arranged on the side wall of the main machine 1 through a hose, and the discharge rod 2 is connected with the discharge pipe connector 13 through a hose.

The structure of proportional valve 7 is the same with muddy water valve among the prior art, gas mixing valve structure, and powder export 8 is normally opened, for public looks opening, proportional valve air inlet 9 and powder import 10 and powder export 8 intercommunication, adjustment handle 6 and case linkage rotate adjustment handle 6, can change the opening size of proportional valve air inlet 9 and powder import 10 to the concentration of change injection gas powder mixture. A proportion mark can be arranged around the adjusting handle 6, for example, when the adjusting handle 6 is adjusted to 0/3 at the movable position, the opening degree of the air inlet 9 of the proportion valve is 100%, the powder inlet 10 is closed, air is sprayed out of the powder outlet 8, and the powder is isolated from the outside air, so that the effects of moisture prevention and powder leakage prevention are achieved; for example, when the adjusting handle 6 is adjusted to 1/3 at the active position, the opening degree of the air inlet 9 of the proportional valve is 70%, the opening degree of the powder inlet 10 is 30%, and the powder outlet 8 sprays a light air-powder mixture; for example, when the adjusting handle 6 is adjusted to 2/3 at the active position, the opening degree of the air inlet 9 of the proportional valve is 30%, the opening degree of the powder inlet 10 is 70%, and the air-powder mixture is sprayed out of the powder outlet 8; for example, when the adjusting handle 6 is adjusted to 3/3 in the active position, the air inlet 9 of the proportional valve is closed, the opening degree of the powder inlet 10 is 100%, and the powder outlet 8 sprays the most concentrated air-powder mixture.

The main machine 1 is provided with an air chamber 14, the air chamber 14 is provided with an air chamber air inlet 15 and two air chamber air outlets 16, the air chamber air inlet 15 is connected with the air supply device 5, the two air chamber air outlets 16 are respectively connected with the through hole and the proportional valve air inlet 9, in the embodiment, an air chamber cover 29 is installed in the through hole, the air chamber cover 29 is screwed on the air chamber air outlet 16 connected with the through hole for fixing, the top of the air chamber cover 29 is provided with a powder chamber air inlet hole 11 and a powder suction cover 12, the upper part of the air chamber cover 29 is also provided with a fixed bracket 28, the screen 32 is arranged above the fixed support 28, the screen 32 is opposite to an inlet of the powder suction cover 12, the powder suction cover 12 is in a horn shape with a small upper part and a large lower part, the powder suction cover 12 and the screen 32 are fixed on the air chamber cover 29 through the fixed support 28, and the screen 32 can prevent large particles from entering and blocking a pipeline.

The top of air chamber lid 29 is provided with will the elasticity gasket 17 that powder storehouse inlet port 11 covers, the center of elasticity gasket 17 is fixed on the air chamber lid 29, elasticity gasket 17 can be made by soft elastic material such as silica gel, and the during operation, the edge lift that makes elasticity gasket 17 from powder storehouse inlet port 11 spun air pressure, the powder import 10 is sent to through inhaling powder cover 12 to the air blown powder, and after air feeder 5 stopped, elasticity gasket 17 resumeed to cover, sealed powder storehouse inlet port 11, prevents that the powder in the powder storehouse 4 from falling into in the powder storehouse inlet port 11.

The host computer can sit upright and hang the mobile operation formula of back of the body, in this embodiment, is provided with braces connector link 18 on the host computer, is connected with adjustable length's braces 19 on braces connector link 18, and the host computer is close to human one side and is the arc that suits with the human body, can improve the travelling comfort of hanging the mobile operation of back of the body. The power supply device 3 is a rechargeable battery, a charging interface 20 is arranged on the side wall of the host, a full power supply can work for more than eight hours at a time, the working time of one day can be met, and the charging interface 20 can be connected with a charger matched with the charger and then connected with a mains supply, so that the requirement of long-time work is met.

The air supply device 5 is a stepless speed-regulating inflator, the highest air pressure during working is not enough to damage an air flow system, an air flow adjusting knob 21 is arranged on the side wall of the main machine, and the air output is adjusted by adjusting the working rotating speed of the air supply device 5. An air flow sensor is arranged on an air outlet pipeline of the air supply device 5, a wind power display 24 is arranged on the side wall of the main machine, the air flow sensor and the wind power display 24 are electrically connected with the controller, and the numerical value of the air flow sensor is displayed on the wind power display 24 on the side wall of the main machine, so that the wind power can be known. Can install electronic component and electric actuator on the proportional valve 7 with the controller electricity is connected, discharging pipe joint 13 department be provided with the concentration sensor that the controller electricity is connected, by the controller according to the concentration data that concentration sensor detected, the air output of automatic adjustment air feeder 5 and the opening degree of proportional valve 7 to realize automatic adjustment air output and concentration. The side wall of the main machine is provided with a remote control switch 30, the lower end (the hand-held part) of the discharging rod 2 is provided with a corresponding remote control button 31, the remote control switch 30 on the main machine is selected to be started or closed, the working state of the main machine can be controlled through the remote control button 31 during starting, and the main machine is flexible to use.

In this embodiment, the concave cavity 22 is formed in the side wall of the host, and the remote control switch 30, the air quantity adjusting knob 21, the charging interface 20, the main power switch 23 of the host, and the discharge pipe connector 13 are located in the concave cavity 22 and fixed, so that the components cannot be easily touched, and the components are protected. The top of the powder bin 4 is provided with a feeding opening 25, the feeding opening 25 is sealed by a threaded cover 26, and the proportional valve 7 is fixed with the powder bin 4 in a sealing way by a gland 27.

The invention adopts the proportional valve to adjust the concentration of the sprayed powder, so that the continuous high-concentration gas-powder mixture and air are mixed at the powder outlet of the proportional valve, the concentration of the sprayed gas-powder mixture cannot be changed along with the increase and decrease of the powder amount in the powder bin, the concentration of the sprayed gas-powder mixture can be continuous and stable, the gas-powder mixture is uniformly distributed in a termite channel, and the gas-powder mixture can pass through the termite channel to enter a termite nest and be sprayed onto most of termites, and the aim of preventing and controlling the termites in the whole termite nest is easy to achieve.

It should be understood by those skilled in the art that the above embodiments are not intended to limit the present invention, and all equivalent changes and modifications made in accordance with the overall concept of the present invention are within the scope of the present invention.

Claims

1. An electric powder spraying device comprises a host (1) and a discharging rod (2), wherein the host (1) comprises a controller, a power supply device (3), a powder bin (4) and an air supply device (5), and is characterized in that the host (1) is also provided with a proportional valve (7) with an adjusting handle (6); the proportional valve (7) is provided with a powder outlet (8), a proportional valve air inlet (9) and a powder inlet (10); the lower part of the powder bin (4) is provided with a through hole; a powder suction cover (12) is arranged above the through hole; the proportional valve air inlet (9) and the through hole are connected with the air supply device (5), the powder suction cover (12) is connected with the powder inlet (10), and the powder outlet (8) is connected with a discharge pipe joint (13) arranged on the side wall of the main machine (1); the main machine (1) is provided with an air chamber (14), the air chamber (14) is provided with an air chamber air inlet (15) and two air chamber air outlets (16), the air chamber air inlet (15) is connected with the air supply device (5), and the two air chamber air outlets (16) are respectively connected with the through hole and the proportional valve air inlet (9); an air chamber cover (29) is installed in the through hole, the air chamber cover (29) is in threaded connection with an air chamber air outlet (16) connected with the through hole, and a powder chamber air inlet hole (11) is formed in the top of the air chamber cover (29); a fixed support (28) is further arranged at the upper part of the air chamber cover (29), and a screen (32) is arranged above the fixed support (28); the screen (32) is just right inhale the entry of powder cover (12), inhale powder cover (12) and be the loudspeaker form big end down, inhale powder cover (12) and screen (32) and pass through fixed bolster (28) are fixed on the air chamber lid (29).

2. An electric powder spraying device as claimed in claim 1, wherein the top of the air chamber cover (29) is provided with a resilient sealing sheet (17) covering the powder bin air inlet hole (11), the centre of the resilient sealing sheet (17) being fixed to the air chamber cover (29).

3. An electric powder spraying device as claimed in claim 1, characterized in that a concentration sensor electrically connected to the controller is arranged at the discharge pipe connection (13).

4. An electric powder spraying device as claimed in claim 1, characterised in that the lower end of the discharge bar (2) is provided with a remote control button (31), the discharge bar (2) being connected to a discharge pipe connection (13) by means of a hose.

5. An electric powder spraying device as claimed in claim 1, characterised in that the outer wall of the main body (1) is provided with a wind power display (24).