JPS6229073Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a nozzle that melts snow by sprinkling water during snowfall, and it is possible to adjust the flow rate from each nozzle to a constant level regardless of the distance from the pump. To explain, A is a lid cylinder, and a screw groove 1 is carved on the inner circumference, and
A screw hole 3 into which a locking screw 2 is screwed and several water spray holes 4 are radially bored on the circumferential side. B is the core cylinder, and the screw groove 1 of the lid cylinder A is on the upper outer periphery.
A screw portion 5 that is screwed into the lid and a water sprinkling hole 4' that communicates with the water sprinkling hole 4 are provided, and a driver groove 6 is formed at the top and a bulging screw portion 7 is formed at the lower portion. It is screwed into the cylinder A and fixed to the lid cylinder A with a set screw 3.

Reference numeral C denotes an outer cylinder, on the upper part of which a receiving part 8 for the lid cylinder A is formed in a stepped manner, and on the inner periphery of the center hole is formed a threaded part 9 into which the bulging threaded part 7 of the core cylinder B is screwed. On the other hand, it has a circumferential groove 10 that is connected to the threaded portion 9 and allows the bulging threaded portion 7 to fall downward and move up and down.

In the figure, 11 is a ring provided below the inner circumference of the outer cylinder C, and 12 is a water pipe.

Conventionally, water spray nozzles for snow melting equipment could not be adjusted to maintain a constant size of water spray holes, so nozzles closer to the pump had a higher flow rate of water, while nozzles farther away had a lower flow rate, resulting in an uneven flow rate.

Therefore, water flow control valves were separately provided at several locations along the water pipe to adjust the flow rate to the nozzle.

However, the present invention eliminates such drawbacks and has the above-mentioned configuration, but its function and effect will be explained with reference to the drawings.
is buried in the soil, and a core cylinder B with a lid cylinder A screwed onto the upper part is inserted into the outer cylinder C, and the bulging threaded part 7 of the core cylinder B is screwed into the threaded part 9 of the outer cylinder C to form a lid cylinder. If you turn A,
Since the core cylinder B is fixed to the lid cylinder A by a locking screw 2 provided on the circumferential side of the lid cylinder A, when it rotates together with the lid cylinder A and the bulging screw part 7 passes the thread part 9, the screw part The bulging screw part 7 falls into the circumferential groove 10 connected to the outer cylinder 9, and the bottom part of the lid cylinder A fits into the receiving part 8 of the outer cylinder C and becomes suspended, and the core cylinder B and the outer cylinder C are screwed together. The situation is resolved and you become free. (As shown in FIG. 1) When water is supplied in such a state, the lid tube A and the core tube B are pushed up from below by the water pressure, and the water sprinkling holes 4 and screw holes 3 protrude above the ground to spray water.
(As shown in Figure 2) The above is the state in which watering starts, but in this case, the watering holes 4 of the lid tube A and the watering holes 4' of the core tube B are communicated with each other, so the watering holes 4, 4' of each other are connected. By shifting the flow rate, the flow rate can be adjusted.

That is, by loosening the set screw 2 screwed into the screw hole 3 drilled on the circumferential side of the lid tube A, the lid tube A and the core tube B can be rotated freely, so that the screwdriver at the top of the core tube B can be rotated freely. By inserting a screwdriver into the groove 6 and turning it slightly, the water sprinkling holes 4' of the core tube B and the water sprinkling holes 4 of the lid tube A are shifted in position and the flow rate is adjusted. By increasing the deviation between the holes 4 and 4' to make the communication area of the water spray holes small, and by doing the opposite for the nozzles that are far from the pump, an average flow rate can be obtained from each nozzle regardless of the distance from the pump.

In addition, by making it possible to adjust the watering holes,
Conventionally, nozzles with several different sizes of water holes were prepared depending on the amount of snowfall, and areas with heavy snowfall had to use nozzles with large water holes, which was very inconvenient, but with this proposal, the water holes can be adjusted. Nozzles of various sizes are no longer necessary.

As mentioned above, in this case, the flow rate of the nozzle can be easily adjusted while checking the flow rate while water is being output.
This is a highly effective and useful device that further increases the snow melting ability by using an average flow rate for each nozzle.

[Brief explanation of the drawing]

1 and 2 are cross-sectional views showing the operation of the nozzle of the present invention, and FIG. 3 and FIG. 4 are partial cross-sectional views of the same.
Fig. 5 is a plan view of the nozzle of the present invention, and Fig. 6 is a front view showing the nozzle in use. The symbols A, B, C, 1, 2, 3, 4, 4', 5, 6, 7, 8, 9, 10, and 11 are a cover tube, a core tube, a screw, a screw hole, a screw hole, a screw portion, a screw portion, a screw groove, a screw driver groove, a screw portion ...

Claims (1)

[Scope of utility model registration request] A lid tube A with a screw groove 1 carved on the inner periphery, a screw hole 3 into which a locking screw 2 is screwed on the circumference side, and several water sprinkling holes 4, and a screw portion 5 screwed into the lid tube A. A water sprinkling hole 4' communicating with the water sprinkling hole 4 is provided on the upper outer periphery, and a core cylinder B has a screwdriver groove 6 on the top and a bulging screw part 7 on the lower part, and the lid cylinder A has a core cylinder B on the top. In addition to having a receiving part 8, a threaded part 9 into which the bulging threaded part 7 of the core tube B is screwed is formed on the inner periphery of the center hole. A water spray nozzle for a snow melting device, comprising an outer cylinder C having a circumferential groove 10 for vertical movement.