JPH0580271B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for regenerating a defective water nozzle of a road snow removal device that has been used for a long period of time, and a valve body for regenerating the water nozzle. This is related to.

[Problems to be solved by conventional technology and invention]

If the water spray nozzle in a road snow removal device is used for a long period of time, the water spray hole may quickly become clogged due to frequent car driving over the water spray nozzle or rust and corrosion. , the screwed part may become loose, resulting in a water nozzle that does not spray water well.

Water nozzles that have malfunctioned are removed from the road surface and replaced with new ones, but it is not an easy task to dig around the defective nozzle or fill in the area again after replacing it.

The present invention was completed by focusing on the idea of not replacing a defective water spray nozzle with a new water spray nozzle, but reprocessing the defective water spray nozzle as it is to regenerate it into a new water spray nozzle.

[Means to solve the problem]

A detailed description will be given below with reference to the accompanying drawings showing an example of implementation.

A drilling process of forming an opening 6 in the center of the top wall 4 of the nozzle body of the existing water spray nozzle, a tapping process of forming a new screw hole 13 in the opening 6, and a tap process of forming a new screw hole 13 in the screw hole 13. A method for regenerating a defective water sprinkling nozzle 8', which comprises a valve mechanism regeneration step of installing valve mechanism parts, and regenerating the defective water sprinkling nozzle 8' into a water sprinkling nozzle 8' equipped with a new valve mechanism 20. It is something.

A valve body receiving hole 22 is provided in the valve body 14 that is screwed into the valve body screwing hole 13 opened in the center of the top wall 4 of the nozzle body of the existing water spray nozzle, and the valve body 19 is inserted into this valve body receiving hole 22. is provided rotatably or rotatably up and down, a water sprinkling hole 18 is bored at the top of the valve body 19, and the valve cylinder 1
4 and the valve body 19 are provided with a valve mechanism 20 for adjusting the amount of water sprayed, and a rotation locking portion 21 is provided on the upper surface of the valve cylinder 14 and the valve body 19, respectively. It is something.

Valve body receiving hole 22 for fitting the valve body 19 into the valve cylinder 14
A valve body 19 is provided in this valve body receiving hole 22 so as to be able to rise and fall freely, and a water flow valve hole 24 is provided at the lower part of the valve body 19, which is opened and closed by the inner peripheral surface of the valve body receiving hole 22 as the valve body 19 is raised and lowered. The water spray nozzle regeneration valve body according to claim 2, further comprising an introduction vertical hole 25 communicating with the water flow valve hole 24, and a water spray hole 18 communicating with the introduction vertical hole 25 provided in the upper part of the valve body 19. .

A horizontal water passage hole 26 is provided in the lower part of the valve cylinder 14, and the valve cylinder 1
A valve body 19 is rotatably fitted into the valve body 4, a water passage valve hole communicating with the water passage horizontal hole 26 is provided in the lower part of the valve body 19, and an introduction vertical hole 25 communicating with the water passage valve hole 24 is connected to the valve body. 3. The valve body for regenerating a water spray nozzle according to claim 2, wherein the water sprinkling hole 18 is provided at the upper part of the valve body 19 and communicates with the vertical introduction hole 25.

A water flow valve hole 24 is provided near the bottom of a thick valve sleeve 14 that is screwed into the valve sleeve screw hole 13 opened in the center of the top wall 4 of the nozzle body of the existing water spray nozzle. Vertical screw hole 2 that opens upward at the middle position of 24
7 is provided, a threaded valve rod 28 is screwed into this vertical screw hole 27 so as to be able to rise and fall freely, and an introduction vertical hole 25 communicating with the water flow valve hole 24 is provided approximately at the center of the valve cylinder 14.
This relates to a valve body for regenerating a water spray nozzle in which a water spray hole 18 communicating with the water spray nozzle 5 is provided in the upper part of the valve cylinder 14.

[Effect]

1 Drill a hole in the upper part of the defective water spray nozzle 8' of the road snow removal device that melts snow on the road surface 9 and remove it from the ceiling wall 4.
A predetermined opening is opened in the opening 6, a valve barrel screwing hole 13 is formed in this opening 6 by tapping, a new valve barrel 14 is screwed into this valve barrel screwing hole 13, and the water sprinkling hole 5 of the base body 15 is screwed. When the nozzle 8' is blocked, the defective water sprinkling nozzle 8' that sprays water poorly on the road surface 9 is regenerated into a water sprinkling nozzle 8 that sprays water well.

2 When water is sent from the water pipe 29 to the regenerated water nozzle 8, the water flows into the rectification chamber 3 through the water passage hole 1, and from the rectification chamber 3 through the valve mechanism 20 to the water distribution hole 1.
8, water is sprinkled on the road surface 9.

The amount of water sprinkled is adjusted by a valve mechanism 20.

In Fig. 2, water flowing into the rectifier chamber 3 flows into the valve body receiving hole 2.
Water flow valve hole 2 whose opening/closing degree is adjusted by the inner peripheral surface of 2
4, the amount of water is adjusted and flows into the introduction vertical hole 25, and water is sprayed from the water sprinkling hole 18 of the valve body 19.

In FIG. 3, water flowing into the rectifying chamber 3 passes through the horizontal water passage hole 26 of the valve cylinder 14, and when passing through the water passage valve hole 24 of the valve body 19, the water amount is adjusted and flows into the introduction vertical hole 25.
Water is sprayed from the water sprinkling hole 18 of the valve body 19.

In Fig. 4, the water flowing into the rectifier chamber 3 is
4, the amount of water is adjusted by raising and lowering the screw valve rod 28, flows into the introduction vertical hole 25, and is sprayed from the water sprinkling hole 18.

In this case, the degree of opening of the water passage valve hole 24 is adjusted by rotating the screw valve rod 28.

〔Example〕

FIG. 1 shows a case where the drill 12 is positioned above the valve port of the defective water spray nozzle 8' and the drill 10 is installed on the road surface 9.
The pedestal 31 is installed on the top of the leg rod 30, and the pedestal 31
The rotary shaft 32 is vertically mounted so that it can be raised and lowered freely, and the defective water nozzle 8' is attached to the chuck 33 at the lower end of the rotary shaft 32.
Drill 12 for cutting and enlarging the valve port 6 of the ceiling wall 4 of
The figure shows a case in which a valve barrel screw hole 13 is formed by tapping on the inner circumferential surface of the enlarged valve port 6.

The drill 12 in the drawings has a drill rod part 34 formed at the lower part, a tap part 35 formed at the center part, and a mounting part 36 formed at the upper part.

Reference numeral 37 in the figure is a rotating shaft drive section.

Reference numeral 6' denotes a threaded part such as a valve cylinder having the opening 6 tapped.

The valve cylinder 14 shown in FIG. 2 has a threaded portion 16 on the outer peripheral surface of the valve cylinder 14 screwed into the valve cylinder screw hole 13 of the water spray nozzle 8,
A male threaded part 39 on the outer circumference of the upper part of the valve body 19 is screwed into a female threaded part 38 near the upper part of the inner circumferential surface of the valve cylinder 14 so as to be able to rise and fall freely, and the valve body 19 can be raised and lowered to form a valve at the lower part of the valve body 19. A water flow valve hole 24 that is opened and closed by the inner peripheral surface of the body receiving hole 22 is provided horizontally, and an introduction vertical hole 25 that communicates with the water flow valve hole 24 is provided in the center of the valve body 19 and communicates with the introduction vertical hole 25. The figure shows a case where a water sprinkling hole 18 is provided on the upper part of the valve body 19.

In the figure, reference numeral 2 indicates a partition wall, 40 indicates an O-ring, and 41 indicates a filling material for blocking the water sprinkling hole 5 of the defective water spray nozzle.

The valve barrel 14 shown in FIG. 3 has a threaded portion 16 on the outer peripheral surface of the valve barrel 14 screwed into the valve barrel screw hole 13 of the water spray nozzle 8.
A horizontal water passage hole 26 is provided in the lower part of the valve cylinder 14, and the valve cylinder 14
A valve body 19 is rotatably fitted in the valve body 19, and a water flow valve hole 24 is provided in the lower part of the valve body 19, which communicates with the water flow horizontal hole 26.
The vertical introduction hole 25 communicating with the water flow valve hole 24 is connected to the valve body 19.
A water sprinkling hole 18 is provided in the center of the valve body 19 and communicates with the vertical introduction hole 25. The valve body 19 is supported by a support member 42 protruding from the lower part of the inner peripheral surface of the valve cylinder 14. A groove-shaped rotation locking portion 2 is provided on the top surface of the cylinder 14.
1 is provided.

In the figure, reference numeral 43 represents an inner locking portion, and numeral 44 represents an outer locking portion.

FIG. 4 shows a screw valve screwed into a vertical screw hole 27 vertically installed in the thick peripheral wall of a valve cylinder 14 that is screwed into a valve cylinder threaded part 13 opened in the center of the top wall of the nozzle body of an existing water spray nozzle. A case is shown in which a rod 28 is screwed and the water flow valve hole 24 can be opened and closed by raising and lowering the screwed valve rod 28.

In the figure, numeral 45 is a rotation groove, numeral 46 is a bottom cover,
Reference numeral 11 is a water pipe connection section.

〔Effect of the invention〕

Since the present invention is configured as described above, an opening is formed in the center of the ceiling wall by a drilling process for the defective water spray nozzle on the road surface, an opening screwing part is formed in this opening by a tapping process, and this new opening screw By screwing the valve cylinder onto the fitting part, attaching a new valve mechanism part to the valve cylinder, and blocking the water sprinkling hole in the base body, the defective water nozzle can be regenerated into a new water nozzle. It becomes a regeneration method.

In addition, the valve mechanism is a highly practical water spray nozzle regeneration valve that accurately adjusts the amount of water sprayed by rotating the valve body relative to the valve cylinder, moving it up and down, and moving the screw valve stem up and down. Becomes a body.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is an explanatory diagram of a state in which a drill is installed on a defective water sprinkling nozzle, and FIG. 2 is a longitudinal cross-sectional view of a recycled water sprinkling nozzle.
FIGS. 3 and 4 are longitudinal sectional views of another example of a regenerated water spray nozzle. 4...Ceiling wall, 6...Opening. 6′...screw hole,
8'... Defective water nozzle, 13... Valve barrel screw hole,
14...Valve cylinder, 18...Water hole, 19...Valve body,
20...Valve mechanism, 21...Rotation locking part, 22...
...Valve body receiving hole, 24...Water flow valve hole, 25...Introduction vertical hole, 26...Water flow horizontal hole, 27...Vertical screw hole, 28
...screw valve stem.

Claims (1)

[Scope of Claims] 1. A drilling process for forming an opening in the center of the top wall of the nozzle body of an existing water spray nozzle, a tapping process for forming a new screw hole in the opening, and the screw hole. 1. A method for regenerating a defective water nozzle, comprising: a valve mechanism regeneration step in which a new valve mechanism component is attached to the valve mechanism; 2. A valve body receiving hole is provided in the valve body that is screwed into the valve body screwing hole opened in the center of the top wall of the nozzle body of the existing water spray nozzle, and the valve body is rotatably inserted into this valve body receiving hole. A water sprinkling hole is provided at the top of the valve body, a valve mechanism is provided on the valve cylinder and the valve body to adjust the amount of water sprayed, and locking parts for rotation are provided on the top surface of the valve cylinder and the valve body, respectively. A valve body for regenerating a water spray nozzle, characterized by being provided with. 3 A valve body receiving hole into which a valve body fits is provided in the valve cylinder, a valve body is provided in this valve body receiving hole so that it can be raised and lowered, and the inner circumferential surface of the valve body receiving hole is provided at the lower part of the valve body by raising and lowering the valve body. 3. The valve body for regenerating a water sprinkling nozzle according to claim 2, further comprising: a water flow valve hole opened and closed by a water flow valve hole; and an introduction vertical hole communicating with the water flow valve hole; and a water spray hole communicating with the introduction vertical hole provided in the upper part of the valve body. 4 A horizontal water passage hole is provided at the bottom of the valve cylinder, a valve body is rotatably fitted into the valve cylinder, a water passage valve hole that communicates with the water passage side hole is provided at the bottom of the valve body, and the water passage valve hole 3. The valve body for regenerating a water spray nozzle according to claim 2, wherein the valve body is provided with an introduction vertical hole communicating with the introduction vertical hole, and a water sprinkling hole communicating with the introduction vertical hole is provided in the upper part of the valve body. 5 A water flow valve hole is provided near the bottom of the thick valve barrel that is screwed into the valve barrel screw hole opened in the center of the top wall of the nozzle body of the existing water spray nozzle, and the water flow valve hole is installed at an intermediate position of the water flow valve hole. A vertical screw hole that opens upward is provided in the vertical screw hole, a threaded valve stem is screwed into the vertical screw hole so as to be able to rise and fall freely, and an introduction vertical hole communicating with the water flow valve hole is provided at approximately the center of the valve cylinder. A valve body for regenerating a water sprinkling nozzle that has a water sprinkling hole at the top of the valve barrel that communicates with the water sprinkling hole.