JPH0626371Y2 - Water absorption device for chemical tank - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a water absorbing device for a chemical liquid tank provided in an agricultural chemical spraying vehicle or the like, and more particularly to a water absorbing device for facilitating water absorbing work. .

[Conventional technology]

A conventional water absorbing device for a chemical tank will be described with reference to FIGS. 4 and 5.

In FIG. 4, the chemical liquid tank 10 is mounted on, for example, an agricultural chemical spraying vehicle, and an input port 12 is provided on the upper portion. strainer
14 is formed in a pot shape that opens upward, and the lower part is dropped into the chemical liquid tank 10 so that the upper flange is locked to the peripheral edge of the input port 12 and is attached to the input port 12, and the peripheral wall on the opening side It is equipped with a hose hooking part 16. One end of the lid 18 is rotatably connected to the outer surface of the chemical liquid tank 10 in the vicinity of the input port 12 so that the input port 12 can be opened and closed. Liquid delivery pump 20
Is connected to the strainer 24 via the hose 22 on the suction side, and is connected to the hose 26 on the discharge side.
To absorb water into the chemical tank 10, open the lid 18 and
Hook the end of the hose to the hose hooking part 16 and attach the strainer 24 to the water source 28
Then, the liquid feeding pump 20 is driven. Water strainer 14
Foreign matter is filtered as it passes through and then strainer 14
Fall below.

In FIG. 5, a pipe 30 is disposed in the chemical liquid tank 10, is connected to the side wall of the chemical liquid tank 10 at one end, and is bent upward at the other end to reach directly below the bottom surface of the strainer 14. Discharge port 32
Penetrates the bottom surface of the strainer 14 and is connected to the other end of the pipe 30 by the connecting fitting 34 at the lower end and the umbrella 36 at the upper end.
Is installed. In the work of absorbing water into the chemical tank 10,
The end of the hose 26 is connected to the connection portion of the side wall of the chemical liquid tank 10 with the pipe 30. The water of the water source 28 is drawn up by the liquid feed pump 20, passes through the hose 26 and the pipe 30, and is introduced into the strainer 14 through the discharge port 32. When the water exits the outlet 32, the water is directed upward, so that it collides with the umbrella 36, and as a result, the water can be directed downward without reaching the inlet 12.

[Problems to be solved by the device]

The water absorbing device of FIG. 4 has a lid 18 at the top of the tank during water absorbing work.
It is necessary to open, and the work becomes complicated, such as hanging on the base and opening.

In FIG. 5, water can be introduced into the strainer 14 without opening the charging port 12, but with the introduction of water, the lid 18
When the medicine is mixed with the water from the discharge port 32 in the strainer 14 by opening the container, an umbrella is placed on the discharge port 32 in order to prevent the water from the discharge port 32 from blowing out of the injection port 12.
It is necessary to install a shield such as 36. Further, since the discharge port 32 is connected to the pipe 30 via the connection fitting 34, when cleaning the strainer 14, the discharge port 32 and the like cannot be easily removed from the strainer 14, and the strainer 14 can be cleaned easily. It's a hassle.

The purpose of this invention is to prevent the water from being spouted from the inlet of the chemical liquid tank for the medicine without opening and closing the lid when only absorbing water, and to make the filter member easy to clean. It is to provide a water absorbing device.

[Means for Solving the Problems]

The invention will be described using the reference numerals of the drawings corresponding to the embodiments.

The water absorbing device of the chemical liquid tank (10) of the present invention has the following (a) to (d)
It has the following components.

(A) Chemical solution tank (10) that is opened and closed at the top and bottom respectively
The cylindrical strainer (1
4) (b) Connection pipe (40) that extends inside the cylindrical strainer (14) and is open to the outside of the side wall of the chemical liquid tank (10) at one end side (c) Provided at the other end side of the connection pipe (40) Tubular strainer (1
A flexible funnel-shaped member (44) (d) which can pass through the through hole (42) of the side wall of (4) by bending and is oriented horizontally while gradually increasing the inner diameter and opens into the cylindrical strainer (14). ) A hose (4
8) (Operation) When the cylindrical strainer (14) is attached to the inlet (12), the flexible funnel-shaped member (44) is inserted inside through the through hole (42) in the side wall. ing. Water enters the tubular strainer (14) horizontally from the flexible funnel (44) via the hose (48) and the connecting pipe (40). Cylindrical strainer (14)
When removing the tubular strainer (14) from the inlet (12) and installing it to clean the
4), so that the through hole (42) in the side wall of the cylindrical strainer (14)
The flexible funnel (44) through the cylindrical strainer (1
4) Pull it out and insert it into the cylindrical strainer (14).

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, a through hole 38 is formed in the upper portion of the side wall of the chemical liquid tank 10, the pipe 40 is positioned horizontally, penetrates the through hole 38, is fixed to the through hole 38, and reaches the vicinity of the peripheral wall of the strainer 14. ing. The through hole 42 is formed in the peripheral wall of the strainer 14 at a position facing the end of the pipe 40. The funnel-shaped member 44 is made of a flexible material, and is fitted and fixed to the outer periphery of the tube 40 at the cylindrical tube portion at one end, penetrates the through hole 42 and is locked in the through hole 42, and the other end portion. Has a tapered shape in which the inner diameter gradually increases outward in the axial direction, and the other end of the tapered shape opens horizontally in the strainer 14.

FIG. 2 is a detailed cross-sectional view of the range including the pipe 40.
A spiral groove 46 is formed on the inner peripheral surface of the end portion of the tube 40 projecting to the outside of 10, and has a shape matching the outer peripheral contour of the hose 48 with a spiral groove as a discharge tube. The spiral grooved hose 48 is connected to the discharge side of the liquid feed pump 20 at one end and is screwed into the spiral groove 46 of the pipe 40 at the other end. The seal member 50 made of an elastic material such as rubber includes a hose mounting portion 52 that is fitted and locked to the inner peripheral surface of the end of the spiral grooved hose 48, and an inner diameter in the protruding direction that protrudes from the spiral groove 46. And a gradually increasing tapered seal portion 54,
With the screwing of the end of the spiral grooved hose 48 into the spiral groove 46, the hose 48 penetrates deep inside the pipe 40, and the maximum outer diameter portion of the tapered seal portion 54 contacts the inner circumference of the pipe 40 in a watertight manner. There is.

3 (a) and 3 (b) show various ways of fixing the funnel-shaped member 44 to the pipe 40. As shown in FIG. In FIG. 3 (a), a punch band 56 manufactured by punching is applied to the outer periphery of the cylindrical fitting portion of the funnel-shaped member 44 to the pipe 40, and the cylindrical fitting portion is attached to the outer peripheral surface of the pipe 40. The funnel-shaped member 44 is fixed to the tube 40 by tightening radially inwardly. Fig. 3 (b)
In contrast, a recess 58 is formed on the outer peripheral surface of the end portion of the pipe 40, while a locking projection 60 capable of engaging with the recess 58 is formed on the inner peripheral surface of the cylindrical fitting portion of the funnel-shaped member 44. Is integrally formed, and the locking projection 60
Is fitted into the recess 58 and locked to connect the tube 40 and the funnel-shaped member 44.

The operation of the embodiment will be described.

When introducing water into the chemical bath 10, use a hose with a spiral groove
The end of 48 is screwed into the spiral groove 46 of the pipe 40 from the outside of the chemical liquid tank 10, and the discharge side of the liquid feed pump 20 is connected to the pipe 40. Water is pumped from a water source 28 by driving the liquid feed pump 20, and the water is introduced into the strainer 14 via the spiral grooved hose 48, the pipe 40 and the funnel-shaped member 44. The seal member 50 prevents water leakage at the connection between the spiral grooved hose 48 and the pipe 40.
Since the spiral grooved hose 48 is connected to the pipe 40 on the side wall of the chemical solution tank 10, when only the water absorption work is performed, the lid 18
No need to open and close.

When mixing the medicine with the water from the funnel-shaped member 44 in the strainer 14, open the lid 18 and open the strainer.
Stir the drug and water in 14. Water is a funnel-shaped member
Do not go to the inlet 12 due to the orientation of 44, strainer
Strainer 14 from 14 radial direction, i.e. from horizontal direction
Since it enters inside, it is possible to omit a member such as a direction plate that prevents water from being blown out of the inlet 12.

When cleaning the strainer 14, the flexible funnel-shaped member 44 is bent and contracted in the radial direction, the funnel-shaped member 44 is pulled out of the strainer 14 through the through hole 42, and the strainer 14 is removed from the pipe 40 and the funnel-shaped member 44. Separate from. After the cleaning work of the strainer 14 is completed, the funnel-shaped member 44 is bent again and contracted in the radial direction, and the tapered side end portion of the through hole 42 is inserted into the strainer 14 through the through hole 42.

[Effect of device]

 The effects of this device are as follows.

(A) The hose is connected to the connecting pipe from the outside of the chemical solution tank,
Since the water from the hose is supplied into the chemical liquid tank through the connecting pipe and the flexible funnel-shaped member, it is possible to omit the trouble of listening to the lid of the charging port when only absorbing water.

(B) Since water is supplied horizontally from the flexible funnel-shaped member into the cylindrical strainer, it is possible to prevent water from being blown out from the charging port even when the cover of the charging port is opened.

(C) Since the flexible funnel-shaped member can freely pass through the through hole of the cylindrical strainer by bending, when cleaning the cylindrical strainer, move the flexible funnel-shaped member from the through hole to the outside of the cylindrical strainer. The tubular strainer can be easily removed from the inlet by pulling it out.

[Brief description of drawings]

1 to 3 relate to an embodiment of the present invention, FIG. 1 is a sectional view of a main part, FIG. 2 is a detailed sectional view of a range including a pipe, and FIGS. 3 (a) and 3 (b) are Drawings showing various fixing modes of the connecting member to the pipe, FIGS. 4 and 5 are cross-sectional views of the conventional water absorbing device of the chemical liquid tank. 10 ... Chemical tank, 12 ... Input port, 14 ... Strainer (cylindrical strainer), 20 ... Liquid transfer pump (pump),
40 ... Pipe (connection pipe), 42 ... Through hole, 44 ... Funnel-shaped member (flexible funnel-shaped member), 48 ... Hose with spiral groove (hose).

Claims (1)

[Scope of utility model registration request] 1. A cylindrical strainer (14) which is opened and closed respectively at the top and bottom and is attached to a charging port (12) at the upper part of a chemical liquid tank (10), and extends inside the cylindrical strainer (14) and at the one end side thereof, A connecting pipe (40) opening to the outside of the side wall of the chemical liquid tank (10), and the cylindrical strainer provided at the other end of the connecting pipe (40).
The cylindrical strainer (1) can be passed through the through hole (42) in the side wall of (14) by bending and is directed in the horizontal direction while gradually increasing the inner diameter.
4) A flexible funnel-shaped member (44) that is open to the inside, and water that is separably connected to the connection pipe (40) from the outside of the chemical liquid tank (10) and is pumped from the pump (20). Hose leading
(48) A water absorbing device for a chemical liquid tank, comprising: