KR20020001082A - Apparatus for feeding chemical of mist duster - Google Patents

Abstract

PURPOSE: Provided is a chemicals supplying apparatus of a multi-purpose duster, which allows application of powder/granulate or liquid type chemicals by means of one chemicals supplying apparatus, thereby saving the manufacturing cost and also can be conveniently operated. CONSTITUTION: The chemicals supplying apparatus of a multi-purpose duster has a chemicals container(30) where a chemicals is stored; a powder/granulate type chemicals supplying device for supplying the chemicals stored in the chemicals container(30) to a fan case; a liquid type chemicals supplying device for supplying the chemicals stored in the chemicals container(30) to an end of a spray tube; and an air-tight device(60) for keeping air-tightness so that the chemicals does not leak from the chemicals container(30) when the chemicals is supplied by the liquid type chemicals supplying device.

Description

Pharmaceutical feeding device of multipurpose spreader {APPARATUS FOR FEEDING CHEMICAL OF MIST DUSTER}

The present invention relates to a drug supply device of the multi-purpose spreader, and in particular, to supply the drug of the multi-purpose spreader suitable to be able to spray all agricultural drugs using a single medicine container irrespective of the type of drug (particle / powder, liquid) Relates to a device.

In order to solve the rural labor shortage and low efficiency of agricultural work such as comparative spraying, pesticide spraying, many multipurpose spreaders are widely distributed in rural areas, and one form of such a conventional multipurpose spreader is illustrated in FIG. 1. Is the same as

The conventional multi-purpose spreader has a fuel tank (2) is provided on the lower side of the drive engine (1), and a fan case (3), which is a passage through which compressed air and chemicals pass, is provided, and the fan case (3). An injection pipe 4 for injecting a drug is connected to an end of the fan case 3, and a drug supply device 5 for supplying a drug to the inside of the fan case 3 is attached to or detached from the fan case 3. It is possibly installed.

The medicine supply device 5 is provided with two types separately, and FIG. 2A shows a granulation / powder supply device 5 'for supplying granules / powders, and is placed in the lower side of the medicine container 6. It is composed of a shutter assembly (7) to adjust the amount of the drug.

The shutter assembly 7 is provided with a chemical inlet 9 and a shutter housing 11 fixed to the lower side of the medicine container 6 with a screw 10 and rotatably disposed in the chemical inlet 9. The shutter 12 and the shutter shaft 8 for rotating the shutter 12 are comprised.

The cap 13 is provided in the upper part of the medicine container 6 to be covered.

FIG. 2B shows a liquid supply device 5 ″ for supplying a liquid liquid, and as shown, a part of the air supplied from the fan case 3 inside the medicine container 16 provided with the cap 15. Pressure hose 17 for introducing the gas into the upper portion of the medicine container 16 and one side of the medicine container 16 to supply the liquid of the medicine container 16 to the inside of the end portion of the injection tube 4. Is disposed, the other side is provided with a chemical hose 18 which is disposed outside the medicine container 16, the lower side of the medicine container 16, the shutter housing 19, the shutter 20, the shutter shaft 21 The assembled shutter assembly 22 is fixed with a screw 23.

That is, when spraying granules such as fertilizer in a state where the conventional medicine supply device 5 is separately provided as a granulation / powder supply device 5 'and a liquid supply device 5 ", the granulation / powder supply device ( 5 ') is mounted on the spreader and sprayed, and in case of spraying the pesticide of the liquid, the granule / powder supply device 5' is separated from the spreader, and the liquid supply device 5 "is mounted to spray the pesticide.

As described above, the conventional multi-purpose spreader has to be provided with the drug supply device 5 in the form of granule / powder supply device 5 'and the liquid supply device 5 ", thereby reducing the production cost according to the reduction of the parts. There was a limit.

The object of the present invention devised in view of the above problems is to use a single drug supply device for spraying granules / powders and liquids so as to reduce manufacturing costs and make it convenient to use. It is to provide a drug supply device of the spreader.

1 is a rear view showing the structure of a conventional multi-purpose spreader.

Figure 2a is a cross-sectional view showing a conventional granulation / powder pharmaceutical tank assembly.

Figure 2b is a cross-sectional view showing a conventional chemical tank assembly for liquid.

Figure 3 is an exploded perspective view of the drug supply device of the present invention multi-purpose spreader.

Figure 4 is an assembled cross-sectional view of the drug supply device of the present invention multipurpose spreader.

5 is a cross-sectional view of a state in which the drug supply device of the present invention multi-purpose spreader is switched to the liquid supply state.

Figure 6 is a cross-sectional view of the apparatus of the present invention in the granulation / powder operation state.

Fig. 7 is a sectional view of a state in which the apparatus of the present invention is converted into a liquid working state.

Explanation of symbols on the main parts of the drawings

3: fan case 14: injection pipe

30: medicine container 33: cap

33a: air vent 37: plug coupling portion

37a: hose drawing hole 40: granulation / powder supply means

41: shutter housing 41a: granulation / powder supply port

41b: shaft hole 41c: communication hole

41d: engagement protrusion 41e: cross rib

42: shutter 47: shutter shaft

50: liquid supply means 51: pressure hose

52: liquid supply hose 53,54: clip

55: hose fixing stopper 60: confidentiality means

61: fixed shaft 62: diffuser

63 spacer 64 clamp knob

65: sealing rubber 66: hose fixing ring

In the multi-purpose spreader for spraying the drug in order to achieve the object of the present invention as described above, the granule for supplying the granules / powder or the liquid medicine and the granules / powder stored in the medicine barrel to the fan case / Powder supply means, liquid supply means for supplying the liquid contained in the medicine container to the end of the injection tube, and for maintaining the airtight so that the liquid is not leaked from the medicine container during the supply of the liquid through the liquid supply means Provided is a pharmaceutical supply device for a multi-purpose spreader, characterized in that provided with a hermetic holding means.

Hereinafter, with reference to the embodiment of the accompanying drawings, the drug supply device of the present invention multipurpose spreader configured as described above in more detail as follows.

3 to 5 is a view showing the drug supply device of the multi-purpose sprayer of the present invention, as shown, the drug supply device of the multi-purpose sprayer of the present invention is a medicine container 30 that is granulated / powdered or liquid formulations, and The granules / powder supply means 40 for supplying the granules / powders stored in the medicine case 30 to the fan case 3 and the liquid agent accommodated in the medicine case 30 are supplied to the end of the injection pipe 14. It consists of a liquid supply means 50 for the purpose, and an airtight holding means 60 for maintaining the airtight so that the liquid contained in the medicine container 30 does not leak.

The medicine container 30 has a medicine inlet 32 is formed so that the medicine can be injected into the jar-shaped upper body 31, the medicine inlet 32 is provided with a cap 33 is covered The lower side, the shutter housing coupling hole 34 is formed.

The outer surface of the body portion 31 has a stopper coupling portion 37 is formed with a hose withdrawal hole (37a) is formed so that the stopper 35 can be screwed.

On both sides of the lower end of the body portion 31, flanges 38 each having two threaded holes 38a are integrally formed.

The granules / powder supply means 40 has a shutter housing 41 fixed to the lower side of the medicine container 30, and inside the granules / powder supply port 41a formed in the center of the shutter housing 41. The shutter 42 is rotatably installed.

Fixing protrusions 43 formed with cutouts 43a are formed at both upper ends of the body portion of the shutter housing 41 to allow the flange 35 of the medicine container 30 to be inserted therein, and the fixing protrusions 43 ), A fixing hole 43b for inserting the bolt 44 and the nut 44 'to fix the fixing protrusion 43 to the flange 38 is formed.

A shaft hole 41b is formed in the body portion of the shutter housing 41 laterally, and a shutter shaft 45 is inserted into the shaft hole 41b so that one end thereof is fixed to the shutter 42 by a fixing pin 46. The other end is fixed and protrudes outward so that the operator can rotate the shutter 42 and adjust the opening degree of the granule / powder supply port 41a by rotating the shutter shaft 45.

Rings 47 are installed at both lower ends of the body portions of the shutter housing 41 to be coupled to the clamps of the fan case 3 when the medicine container 30 is installed.

The liquid supply means 50 includes a pressure hose 51 for supplying a part of the compressed air passing through the fan case 3 to the upper portion of the medicine container 30, and the liquid medicine contained in the medicine container 30. One end portion is located inside the medicine container 30 so as to discharge the other end is composed of a liquid supply hose 52 connected to the end of the injection pipe 14 through the hose withdrawal hole (37a).

The lower end of the pressure hose 51 is fixed with a clip 53 to the engaging projection 41d formed at the upper end of the communication hole 41c formed in the shutter housing 41, and the upper end is air installed at the lower surface of the cap 33. It is fixed to the vent 33a with the clip 54, and a part of air passing through the fan case 3 is supplied to the inner upper portion of the medicine container 30 through the pressure hose 51.

The hose fixing stopper 55 is fixed to the liquid supply hose 52 so as to be screwed to the stopper engaging portion 37 formed in the medicine container 30.

The hermetic holding means (60) is a fixed shaft (61) fixed vertically to the center of the cross-shaped rib (41e) formed in the upper end of the shutter housing (41), and slidingly coupled to the fixed shaft (61) the shutter housing A diffuser 62 for sealing the inlet of the granules / powder supply port 41a of 41, a spacer 63 provided below the diffuser 62 to set the position of the diffuser 62, and It is comprised by the clamp knob 64 which is fixed to the upper end of the fixed shaft 61, and fixes the diffuser 62. As shown in FIG.

The fixed shaft 61 is fixed to the center of the cross-shaped rib 41e by insert molding, and the upper end is formed with a screw portion 61a such that the clamp knob 64 is screwed.

In the center of the diffuser 62 is formed an insertion hole 62a into which the fixed shaft 61 is inserted, and a coupling protrusion 41d of the shutter housing 41 is inserted around the insertion hole 62a. The ball 62b is formed.

A sealing rubber 65 is attached to the outer circumferential surface of the diffuser 62 to maintain airtightness when the diffuser 62 is in close contact with the upper surface of the shutter housing 41.

The spacer 63 has an insertion hole 63a formed in the longitudinal direction to be slidably coupled to the fixed shaft 61, and a hose fixing ring 66 for fixing the liquid supply hose 52 is integrally formed on the side surface thereof. It is.

The same parts as in the conventional structure have been described with the same reference numerals as the conventional reference numerals.

The drug supply device of the multipurpose spreader configured as described above is supplied with granules / powders and a liquid supply using one medicine container, and the spraying operation is performed by using the multipurpose spreader using the drug supply device. The operation to be described.

First, the spraying operation of the granules / powders will be described with reference to FIG. 6.

The stopper coupling portion 37 formed on the side surface of the medicine container 30 is closed using a stopper 35, the cap 33 of the medicine container 30 is opened, and then the diffuser 62 is connected to the spacer 63. It is installed on the fixed shaft 61 in the order of the spacer 63, the diffuser 62, and the clamp knob 64 so as to be located on the upper side, and the granules or powder to be sprayed are introduced into the medicine container 30. The chemical inlet 32 of the medicine container 30 is closed using the cap 33.

In the above state, the medicine container 30 is placed on the top surface of the fan case 3 of the spreader, and the body portion of the apparatus is joined by clamping the clamp provided on the fan case 3 and the ring 47 provided on the shutter housing 41. The medicine container 30 is attached to the engine 1, and then the engine 1 is driven.

As described above, when the engine 1 is driven, air is injected through the fan case 3 and the injection pipe 14, and in such a state, the user performs the spraying operation using the sprayer, wherein the shutter shaft ( By rotating the 45, the shutter 42 adjusts the opening degree of the granules / powder supply port 41a, and the air passing through the granules / powder supply port 41a into the inside of the fan case 3 passes. With the spray pipe 14 is sprayed to the outside through the spray is made, the amount of the sprayed medicine is controlled by the user using the shutter shaft (45).

Next will be described with reference to Figure 7 the spraying operation of the liquid.

Preparation work for the spraying of the liquid is made in a state that the medicine container 30 is mounted on the main body of the spreader.

That is, the cap 33 of the medicine container 30 is opened, the clamp knob 64 is disassembled, the spacer 63 and the diffuser 62 are disassembled, and then the positions of the diffuser 62 and the spacer 63 are changed. The diffuser 62 is brought into close contact with the upper surface of the shutter housing 41, and the clamp spacer 63 is assembled and fixed with the clamp knob 64.

In the above state, the pressure hose 51 is installed inside the medicine container 30, and the hose fixing stopper 55 is plugged while the one end of the liquid supply hose 52 is inserted into the hose outlet hole 37a. It is fixed to the coupling part 37.

When the engine 1 is driven in such a state, a part of the air is supplied to the upper part of the medicine container 30 through the pressure hose 51, and the air is stored in the medicine container 30. The liquid agent is supplied to the nozzle installed in the injection pipe 14 through the liquid supply hose 52 and sprayed together with the air injected into the injection pipe 14.

As described in detail above, the drug supply device of the present invention multi-purpose spreader is provided with a granulation / powder supply means in one medicine container, so that the liquid can be sprayed by a simple operation when spraying the liquid using the medicine container It is provided with a liquid supply means for dispensing, and has a gas-tight holding means for blocking the leakage of the liquid during the spraying of such a liquid, it is possible to spray the powder / powder and liquid spraying operation with a simple operation using one medicine container. By doing so, not only the manufacturing cost is reduced, but the user's inconvenience is eliminated.

Claims (9)

In the multi-purpose spreader for spraying the medicine, the medicine container 30 in which the medicine is stored and the granules / powder supply means for supplying the granulation / powder contained in the medicine container 30 to the fan case 3 ( 40, a liquid supply means 50 for supplying the liquid medicine contained in the medicine container 30 to the end of the injection pipe 14, and a medicine container at the time of supply of the liquid medicine through the liquid supply means 50 ( The drug supply device of the multi-purpose spreader, characterized in that it comprises a hermetic holding means (60) for maintaining the airtight so that the liquid does not leak in 30. The granulation / powder supply means according to claim 1, wherein the granulation / powder supply means includes a shutter housing (41) provided below the medicine container (30) and a granulation / powder supply port (41a) formed in the center of the shutter housing (41). Pharmaceutical supply device of the multi-purpose spreader, characterized in that consisting of a shutter (42) rotatably installed. The shutter shaft (47) of which one end is fixed to the shutter (42) is fixed to the shaft hole (41b) formed laterally in the body portion of the shutter housing (41) to rotate the shutter shaft (45). The shutter 42 is a drug supply device of the multi-purpose spreader, characterized in that the opening of the granules / powder supply port (41a) to be adjusted. According to claim 1, wherein the liquid supply means is a pressure hose 51 for supplying a portion of the compressed air passing through the fan case (3) to the inner upper portion of the medicine container 30, and to the medicine container (30) One end portion is located inside the medicine container 30 so as to discharge the stored liquid to the outside and the other end is composed of a liquid supply hose 52 connected to the end of the injection pipe 14 through the drug discharge port 37a Pharmaceutical supply device of the multi-purpose spreader characterized in that it is. The lower end of the pressure hose (51) is fixed with a clip (53) to the engaging projection (41d) formed at the upper end of the communication hole (41c) formed in the shutter housing (41), and the upper end is a cap (33). Drug supply device of the multi-purpose sprayer, characterized in that the clip is fixed to the air vent (33a) installed on the lower surface of the). 5. The multipurpose sprayer of claim 4, wherein a hose fixing stopper 55 is fixed to the liquid supply hose 52 so as to be screwed to the stopper engaging portion 37 formed in the medicine container 30. Drug supply device. The method of claim 1, wherein the airtight holding means is slidably coupled to the fixed shaft (61) fixed in the vertical direction to the center of the cross-shaped rib (41e) formed on the upper end of the shutter housing (41); A diffuser 62 for sealing the inlet of the granules / powder supply port 41a of the shutter housing 41 and a spacer 63 provided below the diffuser 62 to set the position of the diffuser 62. And a clamp knob (64) fixed to the upper end of the fixed shaft (61) to fix the diffuser (62). The multipurpose spreader according to claim 7, characterized in that a sealing rubber (65) is attached to an outer circumferential surface of the diffuser (62) to maintain airtightness when the diffuser (62) adheres to the upper surface of the shutter housing (41). Medicine supply device. 8. The drug supply apparatus of claim 7, wherein a hose fixing ring (66) for fixing the liquid supply hose (52) is formed on a side surface of the spacer (63).