JP2010094658A - Portable water sprayer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable water sprayer of excellent weight balance, having a sufficient liquid storage capacity. <P>SOLUTION: The portable water sprayer includes a pair of liquid tanks 1, 2 and a gas tank 30 connected to the upper part of either of the pair of liquid tanks 1, 2. The pair of liquid tanks 1, 2 are connected by a supply pipe 20 at each of the upper parts thereof, and are connected by an ejection pipe 22 at each of the lower parts thereof, which ejection pipe 22 is connected to an ejection gun 28. The ejection pipe 22 connects the pair of liquid tanks 1, 2 at the lower parts thereof and is made to form a pipe passing further below the lower parts of the pair of liquid tanks 1, 2 to be connected to the spray gun 28 at a position below the ejection pipe 22. The supply pipe 20 connects the pair of liquid tanks 1, 2 at the upper parts thereof and is made to form a pipe passing further above the upper parts of the pair of liquid tanks 1, 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a portable water discharge apparatus that injects liquid filled in a liquid tank from a spray gun with compressed gas filled in a gas tank.

Conventionally, as a device for injecting liquid filled in a liquid tank from an injection gun, as disclosed in Patent Document 1, compressed gas is supplied from one gas tank to one liquid tank, and the liquid in the liquid tank is injected into the injection gun. It is known to be jetted from.
JP-A-8-196656

  However, in such a conventional one, if one gas tank and one liquid tank are placed side by side so that the user can carry them on their backs, there is a difference in the respective weights, and the weight balance is bad, Further, if the capacity is taken into consideration in terms of weight balance, there is a problem that the capacity of the liquid tank becomes small.

  An object of the present invention is to provide a portable water discharge device that can secure a sufficient volume of liquid and has a good weight balance.

In order to achieve this problem, the present invention has taken the following measures in order to solve the problem. That is,
In a portable water discharge apparatus comprising: a liquid tank for filling liquid; and a gas tank connected to the liquid tank for filling compressed gas, wherein the liquid in the liquid tank is jetted from a jet gun.
Two liquid tanks are provided, the gas tank is connected to the upper side of one of the two liquid tanks, the upper side of the two liquid tanks is connected by a supply pipe, and the two liquid tanks are connected It is a portable water discharge device characterized in that the lower side is connected by a discharge pipe, and the discharge pipe is connected to the spray gun.

  The discharge pipe connects the lower sides of the two liquid tanks, and the discharge pipe is formed in a pipe that passes further below the lower side of the liquid tank. It is good to have a configuration connected to The supply pipe may be configured to connect the upper sides of the two liquid tanks, and the supply pipe may be formed as a pipe that passes further above the upper side of the liquid tank.

  Since the portable water discharge apparatus of the present invention has two liquid tanks connected at a predetermined interval, it can secure a sufficient capacity of the liquid, and be arranged appropriately for a backpack type in which a gas tank is disposed therebetween. It is possible to produce an effect that weight balance is good.

  In addition, when the discharge pipe is connected to the lower side of the two liquid tanks and the discharge pipe is curved downward, all the liquid in the two liquid tanks can flow out into the discharge pipe. The liquid inside can be ejected without waste.

  Further, when the supply pipe is connected to the upper side of the two liquid tanks and the supply pipe is curved upward, the liquid does not easily flow into the supply pipe, and the compressed gas flows from the one liquid tank 2 through the supply pipe. It is reliably supplied to the other liquid tank.

The best mode for carrying out the present invention will be described below in detail with reference to the drawings.
As shown in FIG. 1, reference numerals 1 and 2 denote liquid tanks, and the two liquid tanks 1 and 2 have an elongated shape in the axial direction in which both ends of the cylinder are closed, and can be filled with a liquid such as water, respectively. Thus, the inside is formed in a hollow shape. The liquid is not limited to water but may be a drug, a digestive agent, or the like.

  As shown in FIGS. 3 and 4, the two liquid tanks 1 and 2 are formed to have the same size, and openings 4 and 6 are provided on the upper sides thereof, respectively. The caps 8 and 10 can be screwed into the openings 4 and 6, respectively.

  Skirt members 12 and 14 are attached to the lower sides of the liquid tanks 1 and 2, respectively, and both the liquid tanks 1 and 2 are arranged side by side so that the axial direction is the vertical direction. To 19 are connected at predetermined intervals, for example, at intervals of the shoulder width of the user.

  A supply pipe 20 is connected to the upper side of the two liquid tanks 1 and 2. The supply pipe 20 communicates with the inside of the two liquid tanks 1 and 2, the supply pipe 20 is formed in a substantially inverted U shape, and the center of the supply pipe 20 is higher upward than the two liquid tanks 1 and 2 side. In this way, it is formed in a pipe shape that passes further above the upper side of the liquid tanks 1 and 2.

  Further, the discharge pipe 22 is connected to the lower side of each of the two liquid tanks 1 and 2. The discharge pipe 22 communicates with the inside of the two liquid tanks 1 and 2, the discharge pipe 22 is formed in a substantially U shape, and the center of the discharge pipe 22 is lower than both liquid tanks 1 and 2. Thus, it is formed in a pipe shape that passes further below the lower side of the liquid tanks 1 and 2.

  The discharge pipe 22 is provided with a connection portion 24 at a lower portion on the lower side. As shown in FIGS. 1 and 2, one end of a liquid supply hose 26 is connected to the connection portion 24, and the other end of the liquid supply hose 26 is connected to a spray gun 28.

  A gas tank 30 filled with compressed gas such as compressed air is connected to one liquid tank 2 by a first gas hose 34 via an adjustment valve 32. The first gas hose 34 communicates with the inside of the liquid tank 2 through the cap 10 of one liquid tank 2. The compressed gas is not limited to compressed air, but may be compressed nitrogen, compressed carbon dioxide, or the like.

  Further, the gas tank 30 is connected to the injection gun 28 by a second gas hose 36 via an adjustment valve 32. The injection gun 28 injects the liquid together with the compressed gas by the liquid supplied via the first gas hose 34 and the compressed gas supplied from the second gas hose 36.

  The gas tank 30 is arranged between the two liquid tanks 1 and 2 with the adjustment valve 32 on the lower side, and the gas tank 30 is separated by a belt 38 stretched between the two liquid tanks 1 and 2. It is fixed.

  In this embodiment, a residual pressure relief valve 40 is attached to the cap 8 of one liquid tank 1, and when all the liquid in the liquid tanks 1 and 2 to be described later is exhausted, the liquid tanks 1 and 2 are used. Although the compressed gas remains in the interior, the compressed gas can be released into the atmosphere by opening the residual pressure relief valve 40. In addition, a relief valve 42 is attached to the cap 10 of the other liquid tank 2, and when the pressure in the liquid tanks 1 and 2 exceeds a set pressure, the relief valve 42 is opened to enter the atmosphere. It is comprised so that pressure can be relieved.

Next, the operation of the portable water discharge device of the present embodiment described above will be described.
First, the two liquid tanks 1 and 2 are filled with a liquid such as water, and the gas tank 30 is filled with a compressed gas such as compressed air. The compressed gas is supplied from the gas tank 30 to the one liquid tank 2 through the adjustment valve 32 and the first gas hose 34, and the compressed gas is also supplied to the other liquid tank 1 through the supply pipe 20.

  In both the liquid tanks 1 and 2, the internal liquid is pressurized by the supplied compressed gas and supplied to the spray gun 28 via the liquid supply hose 26. Further, the compressed gas in the gas tank 30 is supplied to the injection gun 28 via the adjustment valve 32 and the second gas hose 36. When the spray gun 28 is operated, the liquid is sprayed from the spray gun 28 together with the compressed gas. The momentum of injection can be adjusted by adjusting the adjustment valve 32 or changing an orifice (not shown).

  As shown in FIG. 1, since the two liquid tanks 1 and 2 are connected by the supply pipe 20 and the discharge pipe 22 at a predetermined interval, a sufficient capacity of the liquid can be secured and the two liquid tanks 1 and 2 can be secured. Since the gas tank 30 can be arranged between the two so that the arrangement is suitable for the backpack type, the weight balance when the user moves while carrying the portable water discharge device is good.

  In addition, since the discharge pipe 22 is connected to the lower side of the two liquid tanks 1 and 2 and the discharge pipe 22 is curved downward, the last of the liquid in the two liquid tanks 1 and 2 is formed. Up to one drop flows into the discharge pipe 22. Moreover, since the spray gun 28 is connected to the discharge pipe 22 via the liquid supply hose 26, even if the portable water discharge device is shaken when the user moves while carrying the portable water discharge device, the two The liquid in the liquid tanks 1 and 2 can be ejected efficiently and without waste.

  Furthermore, since the supply pipe 20 is connected to the upper side of the two liquid tanks 1 and 2 and the supply pipe 20 is curved upward, it is possible for the user to move while carrying the portable water discharge device. Even if the transport / discharge device is shaken, it is difficult for the liquid to flow into the supply pipe 20, and even if the liquid enters the supply pipe 20, it easily returns from the supply pipe 20 to the liquid tanks 1 and 2. Therefore, the compressed gas is reliably supplied from one liquid tank 2 to the other liquid tank 1 via the supply pipe 20.

  The present invention is not limited to such embodiments as described above, and can be implemented in various modes without departing from the gist of the present invention.

It is a perspective view of the portable water discharge device as one embodiment of the present invention. It is a connection diagram of the portable water discharging apparatus of this embodiment. It is a principal part disassembled perspective view of the portable water discharging apparatus of this embodiment. It is a principal part perspective view of the portable water discharging apparatus of this embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 2 ... Liquid tank 4, 6 ... Opening part 8, 10 ... Cap 12, 14 ... Skirt member 20 ... Supply pipe 22 ... Discharge pipe 24 ... Connection part 26 ... Liquid supply hose 28 ... Injection gun 30 ... Gas tank 32 ... Adjusting valve 34 ... first gas hose 36 ... second gas hose

Claims (3)

In a portable water discharge apparatus comprising: a liquid tank for filling liquid; and a gas tank connected to the liquid tank for filling compressed gas, wherein the liquid in the liquid tank is jetted from a jet gun.
Two liquid tanks are provided, the gas tank is connected to the upper side of one of the two liquid tanks, the upper side of the two liquid tanks is connected by a supply pipe, and the two liquid tanks are connected A portable water discharge apparatus characterized in that the lower side is connected by a discharge pipe, and the discharge pipe is connected to the spray gun. The discharge pipe connects the lower sides of the two liquid tanks, and the discharge pipe is formed in a pipe that passes further below the lower side of the liquid tank. The portable water discharge device according to claim 1, wherein the portable water discharge device is connected. The said supply pipe connects the upper side of the two said liquid tanks, The said supply pipe was formed in the piping which passes further above the upper side of the said liquid tank, The Claim 1 or Claim 2 characterized by the above-mentioned. The portable water discharge apparatus in any one.

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