KR102252035B1 - Two-component spray system - Google Patents

Abstract

A two-component spraying device according to an aspect of the present invention includes at least two spray canisters containing a main material or a hardener and having an outlet, a case that is combined with the spray can to allow the spray can to be embedded, and is fixed to the case to spray A holder coupled through the passage, a first hose connected to the holder to move the main material or hardener sprayed from the spray container, a gun which is combined with the first hose and discharged to the outside by mixing the main material and the hardener, and the gun And an air pressure injection device connected to the case to inject air pressure into the gun and the spray bottle.

Description

Two-component spraying device {TWO-COMPONENT SPRAY SYSTEM}

The present invention relates to a two-component spraying device, and more particularly, to a two-component spraying device that can be mixed by spraying a base material or a hardener at a constant pressure.

It is known in the field of construction to use polyurethane foam to bond building elements and obtain thermal insulation properties. These foams can be produced inexpensively and are easy to apply. One particular advantage of these foams is that after application, the foam swells in a predetermined manner, and potential cavities are filled so that a reliable combination of the components is achieved. In practice, both single component systems and two component systems are used.

Here, as for the two-component system, a two-component spray gun is mainly used, such as "Korean Patent Registration No. 10-0578274 (2006 05 03)". This two-component spray device maximizes the mixing efficiency of the main material and the hardener, minimizes the effect of foaming power by moisture, and adopts a mixed screw nozzle device in the forward and reverse direction to improve the foaming power and shorten the curing time, so that a large amount of finishing construction is possible. There is an advantage of being able to do it.

However, most of these agents or hardeners are contained in a spray can and are discharged through an aerosol method. As the main material or hardener is discharged from the spray can, the internal pressure of the spray can decreases, reducing the force and amount of discharging the primary or hardener to make spraying easier. There is a problem that it does not.

The present invention is to solve the above problems, and an object of the present invention is to provide a two-component spraying device capable of spraying a main material or a hardener at a constant pressure.

The two-component spraying device according to an embodiment of the present invention for achieving the above object includes at least two or more spray canisters having a main material or hardener accommodated and having an outlet, and combining with the spray canister so that the spray can be built-in. A case, a holder fixed to the case and coupled to the spray container, a first hose connected to the holder to move the main substance or hardener sprayed from the spray container, and the first hose and mixed with the main body and the hardener A gun discharged to the outside and an air pressure injection device connected to the gun and the case to inject air pressure into the gun and the spray container may be provided.

The air pressure injection device includes a compressor that generates air pressure using power, a second hose connected to the compressor to move the air pressure generated by the compressor, and a second hose connected to the second hose and moved through the second hose. A 3-way valve for selectively moving air pressure, a third hose connected to the 3-way valve to move air pressure to the case, and a third hose connected to the 3-way valve to allow air pressure to move to the gun A fourth hose can be provided.

The case includes a main body in which the spray container is embedded with one side open, a cover that is coupled to the main body so as to be locked and released from the main body to prevent separation of the spray container, and the cover facing the bottom surface of the spray container. It is provided on one side and when locked, a supply tip that penetrates the bottom surface of the spray container and moves the air pressure through the third hose to be supplied to the spray container, and is provided on the cover so as to surround the outer circumferential surface of the supply tip and has an elastic force. Thus, the supply tip is exposed to the outside when locked, and an elastic body that prevents the supply tip from being exposed to the outside when released, and a moving groove formed in the cover to allow the air pressure moved through the third hose to move to the supply tip. can do.

The supply tip includes a coupling portion coupled to the cover, a penetrating portion extending from the coupling portion and having a pointed end to penetrate the bottom of the spray bottle, and a penetrating portion formed in the penetrating portion and moved through the moving groove. It may be provided with an injection unit for injecting air pressure into the interior of the spray container.

The holder is coupled to the spray bottle, and has a first holder that has a first inner space so that the outlet is located in the first inner space, and a second inner space that is screwed with the outer surface of the first holder. A second holder may be provided.

The first holder includes a first body on which the first inner space is formed, a fixing groove provided on a lower surface of the first body and fitted along a protrusion formed around the discharge port, provided along the outer circumferential surface of the first inner space, and , A first screw thread formed on an outer surface of the first body, and a pedestal provided under the outer surface of the first body to support a lower surface of the second holder.

The second holder has a second body having a second screw thread on the inner surface thereof and screwed with the first screw thread, an insertion hole into which the outlet is inserted, and a main material or a hardener sprayed from the spray bottle connected to one end of the insertion hole. A fastening pipe to which a control valve for controlling the movement of the device is fastened, a ball provided at an inner end of the insertion port and blocking or opening one end of the insertion port depending on whether the control valve is operated, and a ball provided on the upper portion of the second body It may be provided with a bridge for integrating the second body, the insertion port and the fastening pipe.

The gun includes a first portion into which the mixed main material and hardener are sprayed, a second part forming a seating groove therein and moving the main material or hardener to the first part by combining with the first part, and the second part A third portion inserted into the interior, connected to the 3-way valve, and provided with a handle to allow the main body or hardener to move to the second portion by a force applied through the handle, and a seating groove of the second portion It is inserted into and provided with a soft material, it may be provided with a fourth portion to be bent in the direction of the first portion when a force is applied through the handle so that the main body or hardener moves to the first portion.

According to the two-component injection device of the present invention, the main body or the hardener can be sprayed at a constant pressure.

And it can be easily sprayed by preventing the force and the amount of discharged to discharge the subject or hardener to be reduced.

1 is a view showing a two-component injection device according to an embodiment of the present invention.
Figure 2 is a view showing the case shown in Figure 1;
3 and 4 are views showing the holder shown in FIG. 1.
Figure 5 is a view showing the gun shown in Figure 1;

Hereinafter, a two-component injection device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a view showing a two-component injection device according to an embodiment of the present invention.

As shown in FIG. 1, the two-component spraying device 10 according to an embodiment of the present invention includes a spray bottle 100, a case 200, a holder 300, a first hose 400, and a gun 500. ) And a pneumatic injection device 600 may be provided.

The spray container 100 discharges the contents in an aerosol method, and a material made of a material such as iron or aluminum, which is generally used, may be used. And it may be provided in a plurality so that the subject and the curing agent are each accommodated. Here, polyol may be used as the main material, and methylenediphenyldiisocyanate (MDI) may be used as the curing agent. A discharge port 110 is provided at the top of the spray container 100 so that the main material or hardener may be discharged through the discharge port 110.

The case 200 includes a plurality of spray cans 100, respectively, and may be provided integrally. Accordingly, during construction, a plurality of spray canisters 100 may be prevented from moving individually so that smooth construction can be achieved. In addition, the case 200 may contact the bottom surface of the built-in spray bottle 100 so that the air pressure generated through the air pressure injection device 600 to be described later is supplied to the interior of the spray bottle 100. The contents of the case 200 will be described in detail later.

The holder 300 may be fixed to the case 200 and combined with the spray bottle 100. The holder 300 coupled with the spray can 100 may fix the spray can 100 to the case 200 and at the same time allow the main material or the hardener accommodated in the spray can 100 to be easily discharged. The contents of the holder 300 will be described in detail later.

The first hose 400 has one end connected to the holder 300 and may serve as a flow path through which the main agent or the hardener sprayed from the spray bottle 100 moves. At this time, the first hose 400 may be provided in a holder 300 connected to the spray bottle 100 containing the subject and a holder 300 connected to the spray bottle 100 containing a hardener. In addition, a cover (unsigned) is provided on the first hose 400 so that a plurality of first hoses 400 are integrated to prevent individual movements of the plurality of first hoses 400 so that smooth construction can be achieved. can do.

The gun 500 may be discharged to the outside by mixing the main material and the curing agent moved through the first hose 400. The contents of the case 500 will be described in detail later.

The air pressure injection device 600 may be connected to the case 200 and the gun 500 at the same time, and may selectively inject air pressure into the case 200 or the gun 500 by a user. To this end, the air pressure injection device 600 may include a compressor 610, a second hose 620, a 3-way valve 630, a third hose 640 and a fourth hose 650. The compressor 610 generates air pressure to be injected into the case 200 or the gun 500 by using power, and the air pressure generated in the compressor 610 may move through the second hose 620. The 3-way valve 630 may be connected to one end of the second hose 620 so that the air pressure moved to the second hose 620 is moved in the direction of the case 200 or the gun 500 by the user. To the 3-way valve 630, the air pressure moved to the second hose 620 through the third hose 640 connected to the case 200 is supplied to the case 200, and is controlled through the fourth hose 650. The air pressure moved to the 2 hose 620 may be supplied to the gun 500. Accordingly, when spraying the mixed subject and curing agent through the gun 500, air pressure is continuously supplied to the interior of the spray bottle 100 through the case 200 so that the subject or curing agent may be sprayed at a constant pressure at all times. . In addition, after spraying of the mixed main material and hardener through the gun 500 is completed, air pressure is supplied to the gun 500 to discharge the mixed main material and hardener remaining in the gun 500 to the outside. 500) can be easily maintained.

Next, a case 200 of the two-component injection device 10 according to an embodiment of the present invention will be described. In the following description, only portions different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar portions will be omitted.

FIG. 2 is a view showing the case shown in FIG. 1.

1 and 2, the two-component spraying device 10 according to an embodiment of the present invention is at least two or more spray cans 100, spray cans having a main material or hardener is accommodated and has an outlet 110 The case 200 is combined with 100 to allow the spray bottle 100 to be embedded, the holder 300 fixed to the case 200 and coupled to the spray bottle 100, and the spray bottle 300 is connected to the holder 300. A gun 500, a gun 500, and a case 200 that combines with the first hose 400 and the first hose 400 to which the main substance or hardener sprayed from 100) moves, and mixes the main body and the hardener and discharges them to the outside. ) May be provided with an air pressure injection device 600 for injecting air pressure into the gun 500 and the case 200.

In addition, the case 200 may include a body 210, a cover 220, a supply tip 230, an elastic body 240, and a moving groove 250.

The body 210 may be provided in an open form and the spray canister 100 may be embedded through the open surface. The shape of the body 210 may be provided in various shapes according to the shape of the spray bottle 100.

The cover 220 may be locked and released from the main body 210 by being coupled to the main body 210 so as to be positioned on an open surface of the main body 210. Accordingly, it is possible to prevent the spray bottle 100 built in the main body 210 from being separated from the open surface of the main body 210.

The supply tip 230 may be provided on one surface of the cover 220 facing the bottom surface of the spray canister 100 built into the body 210. The supply tip 230 provided in the cover 220 is provided in a form protruding from the cover 220, so when the cover 220 is locked to the body 210, it penetrates the bottom of the spray container 100 and passes through the spray container ( 100) can be inserted inside. To this end, the supply tip 230 extends from the coupling portion 231 and the coupling portion 231 that are coupled with one surface of the cover 220 facing the bottom of the spray canister 100 built in the body 210 When the cover 220 is locked to the main body 210, it is formed sharply and includes a through portion 232 penetrating the bottom of the spray bottle 100 and an injection portion 233 formed in the through portion 232. I can. Here, the injection unit 233 may allow the air pressure moved from the third hose 640 to the moving groove 250 formed in the cover 220 to be injected into the spray bottle 100. Accordingly, when spraying the mixed subject and curing agent through the gun 500, air pressure is continuously supplied to the interior of the spray container 100 so that the subject or curing agent is sprayed at a constant pressure at all times.

The elastic body 240 may be provided on the cover 220 in a form surrounding the outer circumferential surface of the supply tip 230 by having an elastic force. Accordingly, when the cover 220 is released from the main body 210, the supply tip 230 is minimized to be exposed to the outside, so that the user is injured by the penetrating part 232 or the injection part 233 It can prevent foreign matter from entering. In addition, when the cover 220 is locked to the body 210, it is elastically compressed while being in contact with the bottom surface of the spray bottle 100 so that the through part 232 is naturally exposed to easily penetrate the spray bottle 100. You can do it. In addition, when the cover 220 is released from the body 210 again, it is restored to its original shape by the elastic force, so that the user is injured by the penetrating part 232 or foreign substances are prevented from entering the injection part 233. Can be prevented.

Next, a description will be given of the holder 300 of the two-component injection device 10 according to an embodiment of the present invention. In the following description, only portions different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar portions will be omitted.

3 and 4 are views showing the holder shown in FIG. 1.

1 to 4, the two-component spraying device 10 according to an embodiment of the present invention is at least two or more spray cans 100, spray cans having a main or hardener is accommodated and a discharge port 110 The case 200 is combined with 100 to allow the spray bottle 100 to be embedded, the holder 300 fixed to the case 200 and coupled to the spray bottle 100, and the spray bottle 300 is connected to the holder 300. A gun 500, a gun 500, and a case 200 that combines with the first hose 400 and the first hose 400 to which the main substance or hardener sprayed from 100) moves, and mixes the main body and the hardener and discharges them to the outside. ) May be provided with an air pressure injection device 600 for injecting air pressure into the gun 500 and the case 200.

In addition, the holder 300 may include a first holder 310 and a second holder 320.

The first holder 310 may be coupled to the spray container 100 and may have a first internal space 311 in which the outlet 110 of the spray container 100 is located. As the outlet 110 is positioned in the first inner space 311, when the main material or the hardener is discharged through the outlet 110, it is possible to prevent the main material or the hardener from being exposed to the outside.

Looking at the first holder 310 in detail, the first holder 310 may include a first body 312, a fixing groove 313, a first screw thread 314 and a pedestal 315.

The first body 312 determines the overall shape of the first holder 310 and is provided in a cylindrical shape, and the first internal space 311 mentioned above may be formed therein. And, as mentioned above, in order to locate the discharge port 110 of the spray canister 100 in the first inner space 311, it may be provided in a form surrounding the discharge port 110.

The fixing groove 313 is provided on a lower surface that is abutted when combined with the spray bottle 100 and may be formed along the outer circumferential surface of the first inner space 311. The fixing groove 313 is fitted with a protrusion (not shown) formed around the discharge port 110 so that the first holder 310 may be fixed to the spray bottle 100. At this time, the first body 312 may be provided with an inclined surface 3121 inclined at a predetermined angle in the inner direction of the fixing groove 313 along the outer circumferential surface of the fixing groove 313.

The first screw thread 314 is formed on the outer surface of the first body 312 and may be screwed with the inner surface of the second holder 320. By providing the first screw thread 314 and screwing it with the second holder 320, the first holder 310 and the second holder 320 may be easily coupled and separated.

The pedestal 315 is provided under the outer surface of the first body 312 and may be provided to be located under the first screw thread 314 mentioned above. Therefore, the pedestal 315 supports the lower surface of the second holder 320 screwed with the first holder 310, thereby limiting the position of the second holder 320 and making the second holder 320 more secure. It can be provided. In this embodiment, it was shown that a plurality of pedestal 315 spaced at regular intervals are provided under the outer surface of the first body 312, but the pedestal 315 is in a form surrounding the lower outer surface of the first body 312. It can be provided.

Meanwhile, the second holder 320 has a second inner space 321 so that the first holder 310 is inserted through the second inner space 321 and is screwed to the outer surface of the first holder 310. I can. Here, a part of the second holder 320 may be inserted into the first inner space 311 of the first holder 310 so that the outlet 110 is inserted into the second holder 320. Accordingly, the discharge port 110 of the spray bottle 100 is double wrapped together with the first holder 310 so that when the main material or the hardener is discharged through the discharge port 110, the main material or the hardener is exposed to the outside. Can be prevented.

Looking at the second holder 320 in detail, the second holder 320 includes a second body 322, an insertion hole 323, a control valve 324, a fastening pipe 325, a ball 326, and a bridge 327. ) Can be provided.

The second body 322 is provided in a ring shape, and the second internal space 321 mentioned above is formed inside, and a second screw thread that is screwed with the first thread 314 of the first body 312 on the inner surface (3221) can be provided.

The insertion port 323 is located at the center of the second inner space 321, and the outlet 110 may be inserted. The subject or hardener sprayed through the outlet 110 may move through the insertion port 323. And since the first body 312 of the first holder 310 is located in the second inner space 321 excluding the insertion port 323, the outlet 110 is formed by the insertion port 323 and the first body 312. You will be surrounded by doubles.

The fastening pipe 325 may be connected to one end of the insertion hole 323 to allow the subject or the hardener moved through the insertion hole 323 to move to the first hose 400. Here, a valve is fastened to the fastening pipe 325 to allow the main material or the hardener moved to the fastening pipe 325 to move to the first hose 400 or to prevent the movement. Accordingly, when the work is temporarily stopped during construction or when a defect occurs in the first hose 400 and the first hose 400 is to be replaced, the movement of the subject or the hardener can be controlled to facilitate construction and maintenance.

The ball 326 may be provided at an inner end of the insertion port 323 on the fastening pipe 325 side to serve as a check valve. And although not shown in the drawing, when an elastic member such as a spring is provided so that the control valve 324 is opened, when the main material or hardener is injected, one end of the insertion port 323 is opened and the control valve 324 is blocked. In the case, one end of the insertion port 323 is blocked by the elasticity of the elastic member to control the movement of the main material or the curing agent.

The bridge 327 may be provided on the upper portion of the second body 322 to integrate the second body 322, the insertion hole 323, and the fastening pipe 325. In addition, the bridge 327 may be partially coupled with the upper portion of the second body 322 so that the insertion hole 323 can be easily observed with the naked eye, so that the first holder 310 can be easily coupled.

Next, the gun 500 of the two-component injection device 10 according to an embodiment of the present invention will be described. In the following description, only portions different from those of the above-described embodiment will be described in detail, and detailed descriptions of the same or extremely similar portions will be omitted.

5 is a view showing the gun shown in FIG. 1.

1 to 5, the two-component spraying device 10 according to an embodiment of the present invention is at least two or more spray barrels 100, spray barrels having a main material or a hardener accommodated and having an outlet 110, The case 200 is combined with 100 to allow the spray bottle 100 to be embedded, the holder 300 fixed to the case 200 and coupled to the spray bottle 100, and the spray bottle 300 is connected to the holder 300. A gun 500, a gun 500, and a case 200 that combines with the first hose 400 and the first hose 400 to which the main substance or hardener sprayed from 100) moves, and mixes the main body and the hardener and discharges them to the outside. ) May be provided with an air pressure injection device 600 for injecting air pressure into the gun 500 and the case 200.

In addition, the gun 500 may include a first portion 510, a second portion 520, a third portion 530, and a fourth portion 540.

The first part 510 is a place where the mixed main material and the hardener are sprayed, and has a screw (not shown) therein, and the second part 520 is combined with the first part 510 and the non-mixed main material or hardener Can be moved to the first part 510. The first portion 510 and the second portion 520 may be coupled through various coupling methods.

The third part 530 may include a handle having a second part 520 inserted therein and connected to the 3-way valve 630. The subject or hardener may move to the second portion 520 by a force applied through the handle.

The fourth part 540 may be made of a soft material to be easily bent, and may be inserted into a seating groove 521 formed in the second part 520.

In addition, although not shown in the drawing, a flow path for moving the main material or curing agent moved to the second portion 520 to the first portion 510 may be formed inside the second portion 520.

Here, the fourth part 540 inserted into the seating groove 521 may maintain a state in which the flow path is blocked when no force is applied through the handle, that is, normally. Conversely, when a force is applied through the handle, the fourth part 540 is bent in the direction of the first part 510 by the subject or hardener that has moved to the second part 520, so that the main part or hardener is the first part 510 ) To move.

Accordingly, when no force is applied, it is possible to prevent the main material or the hardener from leaking to the outside, and maintenance such as replacing only the first part 510 can be easily performed during operation.

In the above, a two-component injection device according to an embodiment of the present invention has been described, but the spirit of the present invention is not limited to the embodiment presented herein. And those skilled in the art who understand the spirit of the present invention will be able to easily propose other embodiments by adding, changing, deleting, adding, etc., components within the scope of the same idea, but this also falls within the spirit scope of the present invention. will be.

10: two-component spraying device 100: spray bottle
110: outlet 200: case
210: main body 220: cover
230: supply head 231: coupling portion
232: penetrating portion 233: spraying portion
240: elastic body 250: moving groove
300: holder 310: first holder
311: first internal space 312: first body
3121: slope 313: fixing groove
314: first screw thread 315: pedestal
320: second holder 321: second internal space
322: second body 3221: second thread
323: insertion port 324: control valve
325: fastening pipe 326: ball
327: bridge 400: first hose
500: Case 510: Part 1
520: second part 521: seating groove
530: part 3 540: part 4
600: pneumatic injection device 610: compressor
620: second hose 630: 3-way valve
640: third hose 650: fourth hose

Claims (8)

At least two spray canisters containing the main material or hardener and having an outlet,
A case combined with the spray container to allow the spray container to be embedded,
A holder fixed to the case and coupled to the spray bottle,
A first hose connected to the holder to move the main material or hardener sprayed from the spray container,
A gun that combines with the first hose and mixes the main material and the hardener and discharges it to the outside,
An air pressure injection device connected to the gun and the case to inject air pressure into the gun and the spray container,
The air pressure injection device includes a compressor that generates air pressure using power, a second hose connected to the compressor to move the air pressure generated from the compressor, and a second hose connected to the second hose and moved through the second hose. A 3-way valve for selectively moving air pressure, a third hose connected to the 3-way valve to move air pressure to the case, and a third hose connected to the 3-way valve to allow air pressure to move to the gun Equipped with a fourth hose,
The case includes a main body in which the spray container is embedded with one side open, a cover that is coupled with the main body to be locked and released from the main body to prevent separation of the spray container, and the cover facing the bottom surface of the spray container. A supply tip provided on one side and allowing the air pressure moved through the third hose through the bottom of the spray container to be supplied to the spray container when locked, and provided on the cover so as to surround the outer circumferential surface of the supply tip and have an elastic force. Thus, the supply tip is exposed to the outside when locked, and an elastic body that prevents the supply tip from being exposed to the outside when released, and a moving groove formed in the cover to allow the air pressure moved through the third hose to move to the supply tip. Two-component injection device, characterized in that the.
delete delete The method of claim 1,
The supply tip is a coupling portion coupled to the cover,
A penetrating portion extending from the coupling portion and having a pointed end to penetrate the bottom surface of the spray bottle;
And an injection unit formed in the through portion and spraying the air pressure moved through the movable groove into the interior of the spray container.
The method of claim 1,
The holder is coupled to the spray bottle, a first holder having a first inner space so that the outlet is located in the first inner space,
A two-component injection device comprising a second holder having a second inner space and screwed to the outer surface of the first holder.
The method of claim 5,
The first holder includes a first body in which the first inner space is formed,
A fixing groove provided on a lower surface of the first body, provided along an outer circumferential surface of the first inner space, and fitted into a protrusion formed around the outlet,
A first screw thread formed on the outer surface of the first body,
A two-liquid injection device comprising a pedestal provided under the outer surface of the first body to support the lower surface of the second holder.
The method of claim 6,
The second holder has a second body provided with a second screw thread on the inner surface and screwed to the first screw thread,
An insertion port into which the discharge port is inserted,
A fastening pipe connected to one end of the insertion port to which a control valve for controlling the movement of the main substance or hardener sprayed from the spray container is fastened,
A ball provided at an inner end of the insertion opening and blocking or opening one end of the insertion opening depending on whether the control valve is operated;
A two-component injection device comprising a bridge provided on an upper portion of the second body and integrating the second body, the insertion port, and the fastening pipe.
The method of claim 1,
The gun includes a first portion into which the mixed main material and hardener are sprayed,
A second part forming a seating groove therein and being combined with the first part to move the main material or hardener to the first part,
A third portion having the second portion inserted therein and connected to the 3-way valve and having a handle to allow the main body or hardener to move to the second portion by a force applied through the handle;
It is inserted into the seating groove of the second part and provided with a soft material, and has a fourth part that bends in the direction of the first part when a force is applied through the handle so that the main material or hardener moves to the first part. Two-component injection device characterized by.

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