JPH0350994Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a long flexible spraying hose made of soft synthetic resin for spraying chemicals and the like.

[Related technologies and their problems]

This type of spray hose is used, for example, for spraying pesticides, in which case a long flexible spray hose made of soft synthetic resin is connected to a pesticide sprayer, and the chemicals are forced into the hose using wind force. It is being dispersed.
This type of spray hose has multiple spray holes formed on one side of the hose, and the chemicals are forcibly sprayed through the spray holes by wind force, which creates pressure around the spray holes. This has caused a problem in that the peripheral edge of the spray hole is torn and spread, causing damage to the hose. Furthermore, Japanese Utility Model Publication No. 49-2893 proposes a spraying hose in which the long hose and the guide tube are fixed to the circumferential surface of the hose with an appropriate structure and rivets using the mounting seat piece. However, there was a problem in that the guide tube could not be easily replaced when it was damaged or deformed.

[Purpose of invention]

The present invention was developed in view of the above circumstances, and it is possible to prevent the spray holes from tearing due to the wind pressure from the sprayer, and to easily form the spray holes of a desired size. Another object of the present invention is to provide a spraying hose whose chemical guide tube can be easily replaced.

[Structure of the idea]

To achieve the above purpose, a long hose made of soft synthetic resin is provided with a plurality of through holes on one side, and a flange portion with a spray hole smaller than the through hole is welded to the outer periphery of the hole, and the sprayer is A drug guide body made of synthetic resin is provided with a short cylindrical seat communicating with the hole, a horizontal groove is provided on the outer surface of the seat of the drug guide body, and a drug guide cylinder is removably fitted into the groove. This is because it was established.

[Example of idea]

As shown in Fig. 1, a long flexible spraying hose 2 made of a thin soft synthetic resin such as polyethylene or vinyl resin is connected to a power sprayer 1, and through holes 3 are formed at intervals on the lower surface of the spraying hose 2. A thick drug guide body 5 made of synthetic resin and having a dispersion hole 4 smaller in diameter than the through hole 3 is welded to the outer periphery of the through hole 3 by ultrasonic welding or high frequency welding. As shown in FIGS. 2 and 3, the drug guide body 5 has a partition wall 8 connected to the upper end of a short cylindrical seat 6, the diameter of which is larger than that of the seat 6, and whose circumference forms a flange portion 7. A dispersion hole 4 is formed in the center of the partition wall 8, and a drug collision wall 9 is erected on the upper surface of the partition wall 8 on one side of the dispersion hole 4. The medicine collision wall 9 of the medicine guide body 5 is inserted into the through hole 3 of the hose 2 from below with the medicine collision wall 9 on the air blowing side, and the flange portion 7 of the partition wall 8 is welded to the periphery of the through hole 3 of the spraying hose 2. As shown in FIG. 4, the upper end of the drug guide tube 10 is removably fitted into the seat 6 of the drug guide body 5. The medicine guide cylinder 10
It is formed of a main cylinder part 11, a dispersion port 12 which is a lower end opening of the main cylinder part 11, and a peripheral wall part 14 which is connected below the dispersion port 12 and widened by an inclined part 13.

As a result, the chemical is force-fed from the power spreader 1 into the spraying hose 2 along with the wind force, collides with the collision wall 9, is guided downward from the spray hole 4, and is guided downward through the short cylindrical seat 6 of the chemical guide body 5. The medicine is sprayed from the spray opening 12 through the main barrel portion 11 of the drug guide barrel 10. In this case, since the dispersion hole 4 is formed in the partition wall 8 of the thick drug guide body 5 made of synthetic resin, the dispersion hole 4
The peripheral edge has enough strength to withstand the wind pressure from the power sprayer 1 and will not tear, and can be used for a long period of time even under high wind pressure for spraying large particle size chemicals. Further, since the dispersion holes 4 are formed in the partition wall 8 of the thick drug guide body 5 as described above, it is possible to easily provide the dispersion holes 4 of a desired size in the dispersion hose 2. . For example, when force-feeding chemicals, the wind force is too strong on the sprayer 1 side, making it easy for the medicine to be forced into the center, while on the other side, the wind force is weak, making it difficult for the medicine to be sent.To prevent such inconveniences, Although it is preferable that the diameter of the spray hole 4 is made smaller from both sides of the spray hose 2 toward the center, according to this embodiment, a plurality of types of drug guide bodies 5 with different sizes of the spray hole 4 are manufactured. By welding this at a desired position, it is possible to easily manufacture a spraying hose 2 in which the diameter of the watering hole 4 becomes smaller toward the center as shown in FIG. Also, drug guide tube 1
By making the tube 0 removable, the drug guide cylinder 10 can be replaced when it is damaged or deformed. Furthermore, the replacement work can be easily performed without requiring special fitting techniques.

[Effect of idea]

In the present invention, a plurality of through holes are provided on one side of a long hose made of soft synthetic resin, and a flange portion having a spray hole smaller than the through hole is welded to the outer periphery of the hole and communicates with the spray hole. A drug guide body made of synthetic resin is provided with a short cylindrical seat, a lateral groove is provided on the outer surface of the seat of the drug guide body, and a drug guide tube is provided that detachably fits into this groove. This increases the strength of the periphery of the spray hole, prevents it from tearing due to wind pressure from the sprayer, and makes it easy to manufacture a spray hose with a spray hole of the desired size. By making the tube removable, the drug guide tube can be replaced as well.
The drug guide tube can be easily replaced.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway front view showing a dispersion hose connected to a dispersion machine according to an embodiment of the present invention, Fig. 2 is a perspective view of the drug guide body, Fig. 3 is a plan view of the same, and Fig. 4 The figure is a cross-sectional view of the main part showing the state of spraying the medicine, and FIG. 5 is a cross-sectional view of the spraying hose showing the state where the size of the spray hole is changed. 2... Spraying hose, 3... Through hole, 4... Spraying hole, 6... Receiving seat, 7... Flange portion, 5... Drug guide tube, 10... Drug guide tube.

Claims (1)

[Scope of utility model registration request] A plurality of through holes are provided on one side of a long hose made of soft synthetic resin, and a drug guide body made of synthetic resin having a dispersion hole smaller than the through holes is welded to the outer periphery of the through hole. A spraying hose characterized in that a horizontal groove is provided on the outer surface of the catch, and a chemical guide cylinder is provided that is detachably fitted into the groove.