JPS629982Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a water sprinkler that can be used not only for sprinkling water on tennis courts, lawns, golf courses, etc., but also for spraying chemical solutions and liquid fertilizers.

Traditionally, water was sprinkled onto tennis courts and other areas by attaching a tube spout to the end of a rubber hose and spraying water sequentially from farthest to nearest areas, but this method did not allow for uniform watering and also caused damage to the ground surface. In some cases, it may cause damage.
It wasn't something to be desired.

This invention was developed with the above points in mind, and its purpose is to be able to spray water uniformly over a wide area, and to be able to freely adjust the amount and width of the water spray. Our goal is to provide water sprinklers.

Hereinafter, one embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a frame consisting of a back plate 1a and left and right side plates 1b, 2
shows two arm plates, the tip portions 2a of the arm plates 2 are bent in both left and right outward directions, and the base portions 2b are pivotally attached to the left and right side plates 1b of the frame 1 by a shaft 3. In addition, a plurality of locking holes _1b1 are drilled at the tips of the left and right side plates 1b of the frame 1, and holes drilled in the locking holes _1b1 and the arm plate 2 (note, not shown). ) is fitted with a locking rod 4, which is configured to adjust the height of the water spray nozzle above the ground.

Reference numeral 5 indicates left and right bearing frames, 6 indicates left and right wheels, 7 indicates an axle, and 7a indicates an axle housing. A frame 5 is fixed via a support plate 8. Furthermore, bearing frame 5
An axle 7a is supported on the axle 7a. 9 is the handle 9a
10 indicates an auxiliary wheel, the tip of the lever 9 is fixed to the frame 1 via a mounting plate 11, and the auxiliary wheel 10 is attached to the lever 9 via a bearing frame 12. installed.

A indicates a valve unit, which is constructed as shown in FIGS. 3 and 4. That is, in the same figure, 13 is a main body pipe having a liquid supply pipe connection pipe part 13a, and 14 is a main body pipe 1.
3, and a tapered valve seat 14a is formed at one end of the short tube. 15 is a spring receiver having a head 15a screwed to the other end of the main body tube 13 and a through hole 15b; 16 is a plate mounted between the head 15a and the end of the main body tube 13; 17
A seal member 18 has a hole 17a screwed into the head 15a of the spring receiver 15, a valve body 18 closely separates from the valve seat 14a of the short pipe 14, and 19 a seal member with one end attached to the back of the valve body 18. It shows a reciprocating rod screwed together and fixed with a lock nut 20, and the other end of the reciprocating rod 19 is connected to the through hole 15 of the spring receiver 15 described above.
(b) It is led out from the hole 17a of the shield member 17, and the tip of the operating wire 26 is screwed and fixed to the nut portion 22 of the connector 21 fixed with a screw 21a. A coil spring 23 is stretched between the valve body 18 and the spring receiver 15, and the coil spring 23 causes the valve body 18 to come into close contact with the valve seat 14a. Reference numeral 24 denotes a bent rod whose one end is fixed (for example, by welding) to the plate 16 described above, and a guide ring 25 is fixed to the other end of the bent rod 24.

Reference numeral 26 indicates a valve operating wire (note, inserted into the pipe), and the proximal end of the wire 26 is connected to a lever 27 provided on the handle 9a of the above-mentioned lever lever 9 (see Figs. 1 and 2). has reached. 28
indicates a hose connection pipe, which is connected to the short pipe 14 described above by a nut 29 having a flange 29a. Further, 14b is a fixing nut attached to the short tube 14. The valve unit a configured in this manner is fixed to the frame body 1 with a fixing nut 14b, and a liquid feeding hose 31 is connected to the liquid feeding pipe connecting pipe portion 13a via an elbow pipe 30. (See FIG. 1) b indicates a nozzle unit, which is constructed as shown in FIGS. 5 to 8. That is, in the figure, 32 indicates a nozzle main body tube, which is formed in an inner tube portion 32a, an outer tube portion 32b with one end closed, a nozzle attachment tube portion 32c communicating with the inner tube portion 32a, and an outer tube portion 32b. The connecting portion 32d is made up of a connecting portion 32d. 33 has a V-shaped hole 33a at the tip and an annular flange 33b on the outer periphery in the middle.
The annular flange 33b is the flange 3.
Nozzle mounting pipe part 32c by nut 34 with 4a
is connected to. Also, the connection pipe 3 is connected to the connection part 32d.
5 are screwed together via a packing ring 36.

b' shows a liquid volume adjustment mechanism consisting of a cap body 37 having an air hole 37a, a coil spring 38, a push plate 39, a diaphragm 40 (made of rubber), a ring 41, and an adjustment nut 42; An annular collar 37b is formed on the outer circumferential side of one end, and an annular groove 37c into which the ring 41 is fitted is bored on the inner circumferential side. Also, one end of the adjustment nut 42 has an inwardly protruding edge 4.
2a is formed, and numerous locking projections and depressions 42b are provided on the edge of the other end. Annular groove 3 of cap body 37
A ring 41 is fitted to 7c, and a push plate 39 is slidably inserted between the ring 41 and the head of the cap body 37 via a coil spring 38. The periphery of the diaphragm 40 is the outer tube portion 32b of the nozzle main tube 32.
and the edge of the cap body 37.

In FIGS. 1 and 2, numeral 43 indicates a water conduit whose left and right ends are closed, and 44 indicates a water conduit having the valve unit a described above at its base end.
are installed horizontally at the tips of the left and right arm plates 2.

45 is a connecting fitting, 46 is a nozzle fitting provided on the water sprinkling conduit 43, and 47 is a spring plate for preventing loosening of the nut 42 (see FIGS. 5 and 7).

In the above configuration, the tip of the liquid supply hose 31 connected to a pump or (high pressure) tank is connected to the elbow pipe 30 (note: the water tank is mounted on a trolley, for example). The work is carried out by grasping the handle 9a of the lever 9 with both hands and pushing the machine forward while operating the lever 27. In this case, by grasping the lever 27, the wire 26,
The valve body 18 is connected to the coil spring 23 via the reciprocating rod 19.
The valve seat 14a is pulled to the right in FIG.
The pressure water is introduced into the water sprinkling conduit 43 through the water conduit 44. When the lever 27 is released, the resilient force of the coil spring 23 presses the valve element 18 against the valve seat 14a, thereby stopping water supply.

The pressure water enters the outer tube portion 32b of each nozzle unit b, and the diaphragm 40, which was brought into close contact with the edge of the inner tube portion 32a, is moved by the coil spring 38 due to the water pressure.
6, the air inside the cap body 37 separates from the edge of the inner tube portion 32a as shown in FIG.
Since the air is discharged through 7a, resistance due to air compression is eliminated. ) Pressure water is diffused and sprayed from the V-shaped hole 33a of the nozzle 33 through the inner tube portion 32a and the nozzle attachment tube portion 32c. When the water supply is stopped, the diaphragm 40 is immediately pressed against the edge of the inner tube portion 32a via the push plate 39 by the coil spring 38. Therefore, water dripping from the V-shaped hole 33a of the nozzle 33 is prevented. Further, the amount of water sprayed can be adjusted by changing the degree of screwing of the adjustment nut 42 in relation to the water pressure, and in this case, the rotational position of the adjustment nut 42 is locked to the locking unevenness 42b. It is locked by the locking spring plate 47 without needlessly moving.

In FIG. 1, reference numeral 48 indicates a counter that indicates the distance traveled, which is attached to the axle housing 7a. Although not shown, an operating rod provided on the counter 48 is attached to each spoke of the wheel 6. The configuration is such that the number of hits is accumulated accordingly. Therefore, by knowing the amount of weight loss in the tank and the traveling distance, the amount of liquid sprayed per 1 m ² of traveling area can be determined.

One embodiment of the present invention has been described above, but
The present invention is not limited to this, and the design may be modified as described below.

() It may have one wheel or four wheels.

() It may also be self-propelled.

() Spreader and liquid tank may be mounted on a single trolley.

() The water sprinkling conduit 43 may be telescopic.

In the present invention, as described above, the water sprinkling conduit 43 is connected to the frame 1.
By arranging water to be sprayed from a plurality of nozzle units b provided in front of the water sprinkling conduit 43 in the left and right direction, the desired liquid can be sprayed uniformly over a wide range, and therefore efficiently. By setting the liquid pressure to a desired value using the liquid volume adjustment mechanism b' of the nozzle unit b,
It is possible to freely change the desired water spray amount and water spray width, and the water supply to the nozzle hole 33a is immediately stopped when the liquid pressure drops below the set pressure, and the liquid is sent to the water spray conduit 43. By configuring the valve body 18 of the valve unit a to be opened against a spring mechanism by operating a lever, the operator can not only spray water within the desired range extremely easily, but also When the process is stopped, it is possible to completely prevent liquid from dripping from the nozzle.

[Brief explanation of the drawing]

The drawings show an embodiment of the liquid sprayer according to the present invention, in which Fig. 1 is a plan view, Fig. 2 is a side view, Fig. 3 is a plan view of a valve unit, and Fig. 4 is a longitudinal side view of the same. 5 to 8 show a nozzle unit having a valve mechanism, FIG. 5 being a side view, FIG. 6 being a vertical side view, FIG. 7 being a bottom view, and FIG. 8 being a front view. a...Valve unit, b...Nozzle unit, 1...Frame, 9...Key lever, 9a...Handle, 27...Lever, 43...Water conduit.

Claims (1)

[Scope of utility model registration request] A frame body having wheels, a water sprinkling conduit provided in front of the frame body extending laterally and having a plurality of nozzle units attached thereto at appropriate intervals, and a valve operating wire connected to the water sprinkling conduit. The nozzle unit consists of a water pipe equipped with a valve unit that can be opened and closed by A water sprinkler comprising a liquid volume adjustment mechanism comprising a flexible plate that opens and closes a water pipe end opening, an elastic body that presses one surface of the flexible plate, and an elasticity adjuster for the elastic body.