JPH0353723Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a nozzle device for a speed sprayer or a boom sprayer, in which a plurality of nozzles capable of spraying a chemical solution are attached to a sprayer body that can travel on wheels. It is something.

[Prior Art] Conventional nozzle devices of this type include a nozzle pipe in which a plurality of nozzles are arranged at appropriate intervals on a boom of a boom sprayer that can be extended to the side of the sprayer body, or A pump, which is screwed to the rear of the sprayer main body of the sprayer and serves as a pump means for pumping the chemical liquid to the plurality of nozzles, is also communicated with the nozzle pipe through a hose and a piping screw.

[Problems to be solved by the invention] As described above, the conventional nozzle device requires a tool to remove the screw in order to replace the nozzle pipe, which is not easy to do. Furthermore, due to the variety of nozzles, in order to replace the nozzle plate installed inside the nozzle, it is necessary to replace the nozzle plate of all the nozzles one by one, which is a very troublesome work.

[Means for solving the problem] This invention was devised in view of the above-mentioned circumstances, and its outline is that it is movable on wheels and is connected to a chemical tank via a pump means. In a sprayer equipped with a plurality of nozzles and used for spraying chemicals, a hook part is formed on a pipe-shaped nozzle pipe, and the plurality of nozzles are arranged at appropriate intervals, and the end of the nozzle pipe is connected to the pump means via a removable pipe joint, a clamping means is formed in which the nozzle pipe is removably fitted and locked, and the hooking portion abuts and hooks on the side edge. Since a plurality of mounting members to be stopped are attached to the sprayer body of the sprayer which can be moved by wheels, variation of the nozzle can be easily achieved by simply replacing the nozzle pipe. It is a sprayer nozzle device that can prevent the nozzle pipe from moving or rotating in the length direction relative to the boom, etc., and can easily replace the nozzle pipe without using any tools. .

[Example] An example of this invention will be described below based on the accompanying drawings.

Although the nozzle device according to this invention can be used for speed sprayers, boom sprayers, etc., the case where it is applied to a boom sprayer will be mainly described below.

1, 2, and 3 are a perspective view, a partially rear view, and a partially exploded side view showing a boom sprayer equipped with the nozzle device of this invention.
Reference numeral 1 denotes a sprayer main body that can run on wheels 2. A chemical liquid tank 3 is disposed at the rear of the sprayer main body 1, and a boom 4 that can be extended to both sides is disposed behind the sprayer main body 1.

As shown in FIGS. 2 and 3, strip-shaped stays 5 are fixed to the boom 4 at appropriate intervals in the longitudinal direction with screws 6 so as to project downward. The projecting lower end portions of the plurality of stays 5 include a block-shaped base 7, and a block-shaped base 7, which is vertically opposed to each other at an interval slightly narrower than the outer diameter of a nozzle pipe 8, which will be described later, and is provided to protrude from the base 7, and has a block-shaped base 7 on the opposing surfaces. A pair of arm portions 10 which are a pair of clamping means having a recessed portion 9 are integrally provided, and a mounting member 11 formed of an elastic member such as rubber is attached to a screw 12.
are fixed respectively. The arms 10 of these mounting members 11 have a long pipe shape along the longitudinal direction of the boom 4, and have a plurality of nozzles 13.
The above-mentioned nozzle pipes 8, which are arranged at appropriate intervals, are sandwiched. Note that when the nozzle pipe 8 is held between the arm portions 10, the surfaces of the base end portions (latching portions) 14 of any pair of the nozzles 13 in different directions are brought into contact with the side surface of the mounting member 11. The arrangement position of the nozzle 13 is selected so that the nozzle pipe 8 is prevented from moving in the longitudinal direction.

A coupler 15 is attached to one end of the nozzle pipe 8, which is a pipe joint that can be easily connected and separated by operating a removal ring or the like.
A coupler 16 paired with this coupler 15 is attached to the tip of a hose 17 that communicates with the chemical tank 3 via a pump (not shown) serving as a pump means, and is attached to one end of the nozzle pipe 8. can be easily attached to and detached from the tip of the hose 17 without any special tools.

The stay 6 may be of any shape as long as it can fix the mounting member 11 to the boom 4 or the rear part of the speed sprayer, and the arm portions 10 of the mounting member 11 have recesses 9 on their opposing surfaces. It is also possible to form it by a leaf spring having . Furthermore, as shown in FIG. 4, which is a partial perspective view of a nozzle device according to another embodiment of the invention,
A frame member (latching portion) 18 having a U-shaped cross section is fixed to a portion of the nozzle pipe 8 that is fitted and locked between both arms 10 of the mounting member 11, and is fitted and locked to the arm portion 10. When the frame member 18 is mounted, both ends of the frame member 18 are attached to the protrusions 19 from both sides of the mounting member 11 of the stay 5.
It is also possible to prevent the nozzle pipe 8 from moving and rotating in the longitudinal direction by being in contact with each of the members, and since the other configurations are the same as those described above, the same members are given the same reference numerals. The explanation will be omitted.

[Effect of the invention] Since the sprayer nozzle device according to this invention is as described above, the couplers 15 and 16 attached to the ends of the nozzle pipe 8 are separated from the hose 17, and the nozzle is connected to the mounting member 11. By removing the pipe 8, the nozzle pipe 8 and the plurality of nozzles 13 arranged therein can be replaced by a nozzle pipe 8 in which a plurality of other nozzles 13 are arranged.
Coupler 1 can be replaced with
5, 16 and the nozzle pipe 8 from the mounting member 11
can be easily removed by simply manually operating the removal rings of the couplers 15 and 16 or by simply pulling the nozzle pipe 8, without requiring any special tools. The nozzle 13 can be easily replaced with a different spray pattern. Further, it has the effect that replacement of the nozzle pipe 8 when it is damaged can be made easier. Furthermore, by forming hooks 14 and 18 on the nozzle pipe 8 to the mounting member 11, the nozzle pipe 8 is attached to the boom 4, etc.
can prevent longitudinal movement and rotation of the
It is possible to reliably direct the nozzle 13 of the nozzle pipe 8 toward the object to be sprayed, regardless of the rocking operation or vibration of the boom 4 during the spraying operation.

[Brief explanation of the drawing]

1, 2, and 3 are perspective views, a partially rear view, and a partially exploded side view showing a boom sprayer equipped with the nozzle device of this invention, and FIG. 4 is a boom sprayer using the nozzle device of this invention It is a perspective view showing a part of a boom sprayer formed by carrying out an example. In the drawing, 1... sprayer body, 3
...Chemical tank, 4...Boom, 5...Stay,
6...screw, 7...base, 8...nozzle pipe,
9... Recessed portion, 10... Arm portion (clamping means), 11...
...Mounting member, 12...Screw, 13...Nozzle, 1
4... base end portion (latching portion), 15, 16... coupler (pipe joint), 17... hose, 18... frame member (latching portion), 19... protruding portion.

Claims (1)

[Scope of utility model registration request] In a sprayer that is movable on wheels and is equipped with a plurality of nozzles that are communicated with a chemical liquid tank via a pump means and is used for dispersing chemicals, a hook part is formed on the pipe-shaped nozzle pipe. , the plurality of nozzles are arranged at appropriate intervals, the ends of the nozzle pipes are able to communicate with the pump means via removable pipe joints, and the nozzle pipes are removably engaged. A plurality of mounting members are provided on the sprayer main body of the sprayer that is movable on wheels, and a plurality of mounting members are formed with clamping means to be stopped and the hooking portions are brought into contact with and hooked to the side edges. Sprayer nozzle device.