KR200360088Y1 - Portable sprayer using cylinder - Google Patents

Abstract

The present invention relates to an injector used for painting or air spraying using a liquid, and a suction pipe having a liquid injection nozzle and a liquid tank coupling portion is formed at one side of the body, and a compression tank is formed at the tip of the body. On the other side of the body, an electric motor having a reduction gear and a handle portion formed at the lower portion of the electric motor to incorporate a rechargeable battery inside the handle portion, and hinged operation lever for shorting the power between the motor and the battery. While the cylinder and the fixed piston reciprocating by the above-described electric motor is installed inside the body to allow the suction and compression of liquid and air by the compression action of the cylinder and the piston,

It can reduce the power used in separate compressor and pump to supply compressed air and liquid, and it is easy to move and carry the work equipment by simplifying the equipment configuration, especially in the area of electricity supply or non-supply when working outside The present invention relates to a portable injector using a cylinder which can be used at all times and can improve the simplicity and efficiency of the work by eliminating the troublesome lake.

Description

Portable sprayer using cylinder

The present invention relates to an injector used for painting or air spraying using a liquid, and is a bidirectional installation structure of a power supply device using a rechargeable battery, a cylinder and a fixed piston reciprocating by an electric motor, and simplify the configuration of the injector. The present invention relates to a portable injector using a cylinder that can be easily carried when moving equipment, and can bring about a reduction in energy required during compression of air.

In general, the sprayer makes the painting work more convenient when painting the surface such as walls of various industrial sites, various articles, exteriors of automobiles, etc. It can be sprayed into compressed air.

On the other hand, such a conventional injector is a pistol-shaped body formed integrally with the handle portion and the injection portion, the air hose to receive compressed air from the compressor to the handle portion of the body and to receive the paint from the separate paint storage tank A paint hose is connected to the handle part and the body, and a compressed air supplied from the lower part of the handle part and a moving path for moving the paint are formed. The outside of the handle part supplies and closes air and paint by an artificial external force of the user. The operating lever to control the white paper is combined.

When using the conventional injector configured as described above, first, the power is supplied to the paint tank in which the paint is stored and the compressor for generating the compressed air, thereby pumping by the pump formed separately in the paint tank and by the generation of the compressed air of the air compressor. And compressed air flow into the lower part of the handle of the injector.

The paint and compressed air introduced in this way are introduced into the injector body by the operation lever coupled to the outside of the handle, and when the external lever is pulled by applying a certain external force to the operating lever, the paint and the compressed air formed in the handle and the body are opened. In this case, the paint is loaded into the compressed air along the open moving path, the compressed air containing the paint is discharged to the outside through the injection nozzle formed on the front of the injector body, it is sprayed on the coating site.

However, such a conventional injector using compressed air requires a large amount of power used in the compressor and pump for moving the compressed air and the paint through the air hose and the paint hose connected to the handle part, thereby increasing the power loss. Due to the increase in equipment configuration, the overall movement of such equipment is inevitable when the equipment is moved, and in particular, inconveniences that a separate generator must be provided when electricity is not supplied, such as external work.

In addition, the air hose and the paint hose connected to the long time causes a problem in the work, which leads to a reduction in work efficiency.

The present invention is devised to solve the problems of the conventional injector as described above, one side of the body is formed with a liquid injection nozzle and a suction tube having a liquid tank coupling portion, the front end of the body is formed with a compression tank, the body An electric motor having a reduction gear is formed on the other side of the motor, and a handle part is formed at the lower part of the electric motor to incorporate a rechargeable battery inside the handle part, and hinged coupling of an operating lever for shorting the power between the motor and the battery. However, by installing the cylinder and the fixed piston reciprocating by the above-described electric motor inside the body to allow the suction and compression of liquid and air by the compression action of the cylinder and the piston,

It can reduce the power used in separate compressor and pump to supply compressed air and liquid, and it is easy to move and carry the work equipment by simplifying the equipment configuration, especially in the area of electricity supply or non-supply when working outside It is an object of the present invention to provide a portable injector using a cylinder that can be used at all times, and removes the lake that is harmful to the work market, thereby increasing the simplicity of work and the work efficiency.

1 is a perspective view of the present invention.

Figure 2 is a side cross-sectional view of the present invention.

Figure 3 is a perspective view showing a cylinder structure of the present invention.

Figure 4a to 4b is a cross-sectional explanatory view showing the injection process of the injector of the present invention,

Figure 4a is a cross-sectional view showing the injection process of the cylinder when the advance;

Figure 4b is a cross-sectional explanatory view showing the injection process of the cylinder in the reverse direction,

Figure 4c is a cross-sectional explanatory view showing the injection process according to the momentary stop state when switching the direction of movement of the cylinder,

4D is a cross-sectional explanatory view showing a process of discharging residual liquid when the cylinder is stopped.

Figure 5 is a side view of the air nozzle coupled to the present invention injector.

<Description of Symbols for Main Parts of Drawings>

1,1 ': Liquid, air jet nozzle 2: Suction tube

3: liquid tank coupling portion 4: compression tank

5: electric motor 6: reduction gear

7: adapter 8: battery

9: operation lever 10: switchgear

11,11 ': Front opening and closing ball 12,12': Rear opening and closing ball

13,13 ': Forward and backward traveling path 14,: Outlet pipe

15,15 ': Front and rear fixed piston 16,16': Front and rear suction exhaust pipe

20,20 ': Front and rear cylinders 21,21': Front and rear cylinders

22: connecting piece 23: cylinder rod

24: crank 30: liquid tank

41: compression chamber suction discharge pipe 42: compression chamber discharge pipe

43: valve 100: body

200: handle 300: power supply line

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

1 is a perspective view of the present invention, Figure 2 is a side cross-sectional view showing the internal structure of the present invention, Figure 3 is a perspective view showing a bi-directional cylinder of the present invention. On one side of the body 100 is a liquid jet nozzle (1), the liquid A suction pipe (2) having a tank coupling portion (3) is formed, a compression tank (4) is formed at the tip of the body (100), and an electric motor having a reduction gear (6) on the other side of the body (100). And, the handle portion 200 is formed under the electric motor (5) to embed the rechargeable battery (8) inside the handle portion 200,

The electric motor 5 and the battery 8 is configured by hinged coupling of the operating lever 9 for shorting the power, wherein the liquid tank coupling portion 3 is coupled to the liquid tank 30, the body ( 100, the opening and closing of the front and rear movement paths (13, 13 ') connected to the suction pipe (2) to be interrupted by the front and rear opening and closing ball (11) (11') 12 (12 '). Compression chamber suction discharge pipe connected to the compression pipe (4) and the discharge pipe (14) connected to the liquid spray nozzle (1) to the upper part of the front and rear movement paths (13, 13 ') by forming the device (10). (41) are formed, and the front and rear fixed pistons (15, 15 ') are formed in front and rear of the switchgear (10), and the outer peripheral surfaces of the front and rear fixed pistons (15) and (15') are formed. Coupling the front and rear cylinders 20, 20 'connected by the connecting piece 22, the cylinder rod 23 extending with the rear cylinder 20' is coupled to the reduction gear 7 by the crank 24. ,

Inside the front and rear fixed pistons 15 and 15 ', front and rear suction and discharge pipes connected to the front and rear cylinder chambers 21 and 21' of the front and rear cylinders 20 and 20 '. Form 16 (16 '),

A compression chamber discharge pipe 42 connected to the liquid tank 30 is formed at the lower portion of the compression tank 4, and is configured to be opened and closed by an on / off valve 43.

In addition, the liquid jet nozzle 1 can be removed and the air jet nozzle 1 'can be combined.

In the figure, reference numeral 7 is an adapter, 300 is a power supply line, and 400 is a power interrupter.

Hereinafter, the operation of the configuration will be described in more detail with reference to the drawings.

First, in order to use the present invention injector, the power supply line 300 is separately coupled to the adapter 7 formed at the lower portion of the handle part 200 as shown in FIGS. 1 and 2, and formed inside the handle part 200. The rechargeable battery 8 is charged.

In this way, after filling the injector to use, when filling a variety of articles or walls using the injector to fill a certain amount of liquid in the liquid tank 30 coupled to the lower front of the injector body 100 and then the liquid tank coupling portion ( To 3).

In the above state, the user places the liquid injection nozzle 1 of the injector body 100 at a predetermined distance and then grips the handle part 200 and the operation lever coupled to a white paper on the handle part 200 ( 9) when the artificial force is applied and pulled, the power is supplied from the battery 8 to the electric motor 5 by the contact of the power control unit 400 connected to the operation lever 9 and formed on the other side of the body 100. The electric motor 5 receives power from the charged battery 8 to generate power, and when the artificial force of the operation lever 9 is released, the electric motor 5 and the battery are shorted by a short circuit of the power control unit 400. The power between the (8) is cut off, when the power is supplied and the power is generated, the power is a rotational movement connected to the reduction gear 6 and the cylinder rod 23 of the front and rear cylinders 20, 20 ' Of the front and rear cylinders 20, 20 'by means of a crank 23 The back and forth reciprocation is made.

On the other hand, looking at the injection process according to the front and rear reciprocating motion of the front and rear cylinders 20, 20 'to reciprocate as described above, as shown in Figure 3 the front having the cylinder chamber (21, 21') , The rear cylinders 20, 20 'are interconnected by the connecting piece 22 is to reciprocate in the same direction and the same force during the reciprocating motion.

As described above, the front and rear cylinders 20 and 20 'are moved to the front and rear cylinders 20 and 20' and the front and rear fixed pistons 15 and 15 'coupled to the front and rear cylinders 20, as shown in FIG. 4A. As a result, the front cylinder chamber 21 is in a vacuum state, and the rear cylinder chamber 21 'is compressed.

That is, the liquid filled in the liquid tank 30 is the front cylinder chamber 21 through the front suction path 13 in the opening and closing device 10 and the front suction exhaust pipe 16 in the front piston 15 through the suction pipe (2). Inflow is stored.

At this time, the liquid flowing through the front moving path 13 is pushed to open the front opening and closing ball 11 by a constant force by the pressure of the liquid, and the inflow is made along the open front moving path (13). , The rear opening and closing ball 12 is closed on the contrary by the force sucked into the front moving path (13).

As such, the air is compressed in the rear cylinder chamber 21 'at the same time as the liquid enters the front cylinder chamber 21 during the initial operation, and the compressed air is moved backward through the rear suction exhaust pipe 16'. 13 ') is pushed to open the rear opening and closing ball (12') formed in the upper portion is to be injected into the liquid injection nozzle (1) through the discharge pipe (14).

On the other hand, as shown in FIG. 4B, when the front and rear cylinders 20 and 20 ′ are retracted, compression is performed in the front cylinder chamber 21, and a vacuum state is formed in the rear cylinder chamber 21 ′.

That is, the liquid filled in the liquid tank 30 passes through the suction pipe 2 through the rear movement path 13 'in the opening and closing apparatus 10 and the rear cylinder through the rear suction discharge pipe 16' in the rear piston 15 '. Inflow into the chamber 21 'is stored,

At this time, the liquid flowing through the rear movement path 13 'pushes and opens the rear opening and closing ball 12 with a constant force by the force of the liquid, and at this time, the rear suction exhaust pipe along the open rear movement path 13'. Liquid is introduced into the rear cylinder chamber 21 'through 16', and the front opening and closing ball 11 is closed by the force sucked into the rear movement path 13 '.

As opposed to the liquid flowing into the rear cylinder chamber 21 ′, the liquid stored in the front cylinder chamber 21 is retracted by the front cylinder 20 and compressed by the front piston 15. The front opening and closing ball (11 ') formed in the upper portion of the front movement path 13 through the intake and discharge pipe 16 is pushed to open and is injected into the liquid injection nozzle (1) through the discharge pipe (14).

As described above, the liquid continuously injected by the forward and backward reciprocation of the front and rear cylinders 20 and 20 ′ is the liquid in the front and rear cylinder chambers 21 and 21 ′ as shown in FIGS. 4A and 4B. The residual liquid which could not be sprayed upon injection through the liquid injection nozzle 1 flows into the compression tank 4 through the compression chamber intake pipe 41 formed on the front and rear movement paths 13 and 13 '. Will be.

On the other hand, as shown in Figure 4c during the reciprocating motion of the front and rear cylinders 20, 20 'is always instantaneous peaks are formed, in this case from the front and rear cylinder chambers 21 (21') Since the liquid is not discharged, the liquid filled in the compression tank 4 is injected into the liquid injection nozzle 1 along the discharge pipe 14 through the compression chamber suction discharge pipe 41, and in this case, the compression chamber suction discharge pipe ( 41, the front and rear opening and closing ball formed on the upper and rear movement paths 13 and 13 'by the pressure of the liquid discharged from the closed is to prevent the back flow of the liquid.

When the use of the invented injector used by the above process is finished, the compression tank 4 is filled with the liquid stored in compression, as shown in Figure 4d from the bottom surface of the compression tank (4) The liquid filled in the compression tank 4 can be recovered to the liquid tank 3 by opening and closing the on / off valve 43 formed in the lower portion of the compression chamber discharge pipe 42 connected to the liquid tank 30.

Meanwhile, as shown in FIG. 5, since the liquid injection nozzle 1 of the injector of the present invention is removed, and the air injection nozzle 1 'is used in combination, the cleaning or internal cleaning of various apparatuses, tubes or automobile tires, in addition to the painting work by the liquid paint, are performed. It can also be used to inject air into the back.

On the other hand, the injector of the present invention used during the liquid and air injection as described above is capable of controlling the injection amount by the multi-stage control of the reduction gear 6 formed on the electric motor (5) by the operation of the operating lever (9).

As described above, the present invention can be operated by a wireless operation by the rechargeable battery 8 or by a direct connection means by the power supply line 300, and is conveniently provided without additional external equipment for supplying air and liquid. It can be used.

As described above, the present invention can reduce power used in a separate compressor and pump for supplying compressed air and liquid, and it is easy to move and carry the work equipment by simplifying the configuration of the equipment. It can be used all the time in the supply or non-supply area, and by removing the obstacles in the work, it is possible to obtain the effect of improving the simplicity and work efficiency.

Claims (2)

A suction pipe 2 having a liquid injection nozzle 1 and a liquid tank coupling part 3 is formed at one side of the body 100, and a compression tank 4 is formed at the front end of the body 100. An electric motor having a reduction gear 6 on the other side of the body 100, and a handle part 200 formed below the electric motor 5 to form a rechargeable battery 8 inside the handle part 200. Built in, Hinge coupling of the operating lever (9) for short-circuit the power between the electric motor (5) and the battery (8), The liquid tank coupling portion 3 is coupled to the liquid tank 30, and is connected to the suction pipe 2 inside the body 100 so that the front and rear opening and closing balls 11, 11 ′, 12, 12 are The opening and closing device 10 in which the front and rear movement paths 13 and 13 'intermittently intervened by the') is formed, and the liquid spray nozzle 1 is moved to the upper portion of the front and rear movement paths 13 and 13 '. A discharge chamber 14 connected to the exhaust pipe 14 and a compression chamber suction discharge pipe 41 connected to the compression tank 4, and the front and rear fixed pistons 15 and 15 'in front and rear of the switchgear 10. ) And combine the front and rear cylinders 20 and 20 'connected by the connecting piece 22 to the outer circumferential surfaces of the front and rear fixed pistons 15 and 15', but with the rear cylinder 20 '. The extending cylinder rod 23 is coupled to the reduction gear 7 by the crank 24, Inside the front and rear fixed pistons 15 and 15 ', front and rear suction and discharge pipes connected to the front and rear cylinder chambers 21 and 21' of the front and rear cylinders 20 and 20 '. Form 16 (16 '), The lower part of the compression tank (4) is formed in the compression chamber discharge pipe (42) connected to the liquid tank (30), portable injector using a cylinder, characterized in that configured to be opened and closed by the opening and closing valve (43). The portable injector using a cylinder according to claim 1, wherein the liquid jet nozzle (1) is removed and the air jet nozzle (1 ') is coupled to each other.