JP2518285Y2 - Spreader - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a portable sprayer for manually operating a pump to pressurize the inside of a tank and atomize a liquid such as a drug from a nozzle. Regarding improvement.

[Conventional technology]

The conventional sprayer as described above has a structure as shown in FIG. Hereinafter, description will be given with reference to the drawings.

1 is a metal tank for storing the chemical solution, 2 is the tank 1
While being inserted into the tank 1 through the bowl-shaped receptacle 1a,
The pump is screwed and fixed in a syrup state, and the handle 2a of the piston is moved up and down to supply air into the tank 1 to pressurize the inside of the tank 1. 3 is a water supply pipe having an upper end attached to the upper surface of the tank 1 and a lower end reaching the bottom of the tank 1, and 4 is a water supply hose attached to the upper end of the water supply pipe 3 via a mounting metal fitting 4a, and has a tip. A nozzle pipe 5 having a nozzle (not shown) attached thereto is attached to the water supply hose 4 of the nozzle pipe 5.
A cock 5a is attached to the connection part with.

Then, the spreader configured as described above is carried by a user such as being worn on a shoulder, and the handle 2a is moved up and down to supply air into the tank 1 from the pump 2 to pressurize the inside of the tank 1. In this state, when the nozzle pipe 5 is held by hand and the cock 5a is operated to open the valve, since the chemical liquid in the tank 1 is pressurized in the tank 1, the water supply pipe 3, the water supply hose 4 and the nozzle pipe It is ejected in a mist form from the nozzle via 5.

[Problems to be solved by the device]

By the way, in the above-mentioned conventional spreader,
Since the pump 2 is housed in the tank 1, the volume in the tank 1 is reduced by the volume of the pump 2, the amount of the chemical liquid is reduced, and the pump 2 is in direct contact with the chemical liquid. However, there is a problem that it is easily corroded and the service life is shortened.

In addition, since the pump 2 must be taken out from the tank 1 to replenish the tank 1 with the drug solution, the drug solution adhering to the pump 2 may adhere to the human body, causing a safety problem. There was also the problem of poor workability.

Furthermore, when a high-viscosity chemical is used as the chemical, there is a problem that the chemical adheres to the pump 2 to cause clogging and air cannot be supplied into the tank 1.

The present invention is intended to solve the above-mentioned problems, and its purpose is to provide a pump outside the tank so that air from the pump is supplied through an air supply pipe to pressurize the inside of the tank. As a result, the capacity of the tank can be used as it is, the service life is extended, the replenishment of the chemical solution can be performed safely and easily, and a sprayer that can be used for spraying a highly viscous chemical solution is also provided. is there.

Further, the object of the present invention is to operate the pump according to the pressure in the tank to set the pressure in the tank to a predetermined pressure, so that it is easy to keep the pressure in the tank constant, and Since it is rarely overloaded,
It is an object of the present invention to provide a sprayer that can reduce the cost of products by constructing the tank with a low-cost material such as plastic.

[Means for solving the problem]

The sprayer of the present invention is intended to achieve the above-mentioned object, and the means is to supply air from a pump into the tank to pressurize the inside of the tank so that a liquid such as a chemical solution filled in the tank is discharged. In a sprayer adapted to spray through a water supply hose and a water supply pipe, a tank pedestal having a tank support part and a pump support part is provided, and the tank support part is placed and fixed in an upright state, The pump is mounted and fixed on the pump support, the pump is attached to the side surface of the tank through a mounting metal fitting, and the air supply port of the pump and the air supply metal fitting of the tank are connected by an air supply pipe. It is a summary.

[Action]

In the sprayer of the present invention configured as described above, when the handle of the pump is moved up and down, air is supplied from the pump into the tank through the air supply pipe, and the tank is pressurized. In this state, when the user holds the gripping body in his hand and operates the cock to open the valve, the chemical solution reaches the nozzle through the water supply pipe, the cock of the water supply hose gripping body and the nozzle pipe, and the chemical solution is sprayed from the nozzle. It is to be sprayed.

[Example of device]

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

6 is a tank pedestal having a tank supporting portion 6a and a pump supporting portion 6b, 7 is a tank placed and fixed on the tank supporting portion 6b of the tank pedestal 6 in an upright state, and the bowl-shaped receiving portion 7a is The lid 8 is screwed. Further, an air supply fitting 7b is provided in the air supply inlet formed in the shoulder portion of the tank 7, and a water supply fitting 7c is provided in the pipe fitting hole also formed in the shoulder portion of the tank 7, and water is supplied to the water supply fitting 7c. The upper end of the pipe 9 is connected.
Further, mounting brackets 7d and 7e are formed on the upper and lower sides of the tank 7, and the glass tube 10 is mounted in communication with the tank 7 on the mounting brackets 7d and 7e. Therefore, the chemical liquid filled in the tank 7 enters the glass tube 10, and the liquid level in the glass tube 10 coincides with the liquid level in the tank 7. That is, it functions as a liquid level gauge.

In addition, 7f is a mounting metal fitting for mounting a belt used when the user hangs the tank 7 from the shoulder, 7g is an air vent metal fitting to which an air vent valve 11 is screwed, and 7h is a hook for hooking a water supply hose 15 described later. It is a hook ring.

12 is the tank 7 in a state where it is mounted and fixed on the pump support portion.
A pump attached to the side surface of the pump via a connecting metal fitting 13, and the air supply port at the lower end is an air supplying pipe via an air supply pipe 14.
It is connected to 7b. Incidentally, 12a is a handle for moving the cylinder up and down.

Reference numeral 15 denotes a water supply hose whose one end is connected to the water supply fitting 7c, and a grasping body 16 having a cock 16a is attached to the tip thereof, and a nozzle pipe 17 is attached to the tip thereof. Further, a nozzle 17a for atomizing the chemical solution is attached to the tip of the nozzle pipe 17.

Thus, in the spreader configured as described above,
Handle 12 of pump 12 provided on the outer side surface of tank 7.
When a is moved up and down, air is supplied from the pump 12 into the tank 7 through the air supply pipe 14, so that the inside of the tank 7 is pressurized. Therefore, in this state, when the user holds the grip body 16 in his hand and operates the cock 16a to open the valve, the liquid medicine is supplied to the nozzle via the water supply pipe 9, the water supply hose 16, the cock 16a of the grip body 16 and the nozzle pipe 17. From 17a, the drug solution is sprayed and sprayed.

Further, when the chemical liquid in the tank 7 is reduced by spraying, the liquid level in the glass tube 10 is lowered. Therefore, when the liquid level is considerably lowered, the spraying work is stopped and the lid 8 of the tank 7 is removed to remove the chemical liquid. To replenish. At this time, since only the lid 8 needs to be removed,
The chemical solution does not adhere to the human body, and the refilling work can be performed hygienically and safely, and the refilling work can be easily performed.

Further, in the present invention, since the pump 12 is provided outside the tank 7 as described above, the pump 12 is not corroded by the chemical liquid, and the volume of the tank 7 is equal to the volume of the pump 12. There is no need to make it smaller, and even if you use a highly viscous chemical solution,
The pump 12 does not become clogged, and therefore any liquid chemical can be sprayed.

[Effect of device]

As described above, according to the present invention, the pump is arranged outside the tank, and the air from the pump is supplied into the tank through the air supply pipe to apply pressure, so that the pump is corroded by the chemical solution. In addition to the above, there is no need to reduce the volume of the tank by the volume of the pump, and even if a highly viscous chemical liquid is used,
The pump does not become clogged, so any chemical liquid can be sprayed as long as it is liquid, and only the lid needs to be removed when replenishing the chemical liquid. Since it does not adhere to the human body, it is possible to perform the refilling work of the chemical solution in a hygienic and safe manner, and also the refilling work can be easily performed. Furthermore, when the pressure in the tank drops. Since it is sufficient to operate the pump to pressurize, the pressure in the tank does not become overloaded even without using a pressure adjusting valve, etc. Therefore, low cost materials such as plastic can be used as the material of the tank, the cost of the product can be reduced, and the pressure inside the tank can be freely set. Department Since the pump are mounted fixed are possible stable pressing operation, since the further projecting handle of the pump from the upper surface of the tank, and has the effect of easily like performs also an operation of the handle.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a spreader according to the present invention,
FIG. 2 is a plan view of the same as above, and FIG. 3 is a front view of a conventional spreader. 7 ... Tank, 8 ... Lid, 9 ... Water supply pipe, 10 ... Glass tube,
12 ... Pump, 13 ... Mounting bracket, 14 ... Air supply pipe, 15 ... Water supply hose, 16 ... Grip, 17 ... Water supply pipe.

Claims (1)

(57) [Scope of utility model registration request] 1. A sprayer in which air is supplied to a tank by a pump to pressurize the inside of the tank, and a chemical liquid filled in the tank is sprayed through a water supply hose and a water supply pipe. A tank pedestal having a pump support portion is provided, the tank is mounted and fixed on the tank support portion in an upright state, and the pump is mounted and fixed on the pump support portion, and a longitudinal direction of an outer side surface of the tank. A pump is attached via an attaching means so that the handle protrudes from the upper surface of the tank, and the air supply port of the pump and the air supply port of the tank are connected by an air supply pipe. Sprayer.