JP3005533U - Block for snow removal equipped with snow removal nozzle - Google Patents

Abstract

(57) [Summary] [Purpose] The block for embedding the water pipe and sprinkling nozzle is made thinner. [Constitution] A water pipe 11 is buried along the longitudinal direction of the block 10. A plurality of nozzle bodies 12 are connected to the water supply pipe 11 with a flexible pipe 32 interposed. At this time, the nozzle body 12 is connected by separating the axis X of the nozzle body 12 from the central axis X1 of the water supply pipe 11. [Effect] Since the water supply pipe 11 is not embedded on the axis of the nozzle body 12, the height H of the block 10 can be reduced.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a snow-melting block having a snow-melting nozzle in which a water pipe and a snow-melting nozzle are embedded in a block laid on a road or a parking lot.

[0002]

[Prior art]

 BACKGROUND ART Conventionally, a road surface snow melting structure proposed in Japanese Examined Patent Publication No. 2-45722 is known as a snow removal block in which a water supply pipe and a snow removal nozzle of this type are integrated by a block. As shown in FIG. 9, this snow-melting block has a water pipe 2 embedded inside a block body 1 having a trapezoidal vertical cross section, and a branch pipe 3 projecting from the water pipe 2 at predetermined intervals. Then, the snow-melting nozzles 4 are connected to the tips of the branch pipes 3, respectively, and the upper surface of the head of each of the snow-melting nozzles 4 is exposed on the upper surface of the block body 1 so that the snow-melting nozzles 4 are placed inside the block body 1. It is buried. Then, in this way, the block body 1 in which the water pipe 2 and the snow-melting nozzle 4 connected to the water pipe 2 are integrated is laid in a groove excavated on a pavement surface such as a road to form a pavement surface. The upper surface of the block body 1 is laid continuously, and water is sent from the pumping pump to the water pipe 2 and sprinkled from the snow-discharging nozzle 4 to melt the road surface.

[0003]

[Problems to be solved by the device]

 In the above-mentioned prior art, the water supply pipe 2, the branch pipe 3 and the snow melting nozzle 4 projecting from the water supply pipe 2 are arranged in a straight line in the vertical direction, and the water supply pipe 2 and the snow melting nozzle 4 are integrated into a block. There is no choice but to raise the body 1. When laying the block body 1 having such a high overall height h of the block body 1 as described above, there is no inconvenience if there is a laying space in the height direction such as a general road, but the pavement surface such as a bridge is not However, since the pavement layer can be formed only shallowly, there is a problem that in such a shallow pavement layer, the vertically long block body 1 in which the snow removal nozzle 4 is integrated cannot be laid. Further, the height of the block body 1 varies depending on the thickness of the pavement layer to be laid, and due to the change in the height of the block body 1, the snow melting nozzle 4 and the water pipe 2 embedded in the block body 1 are separated. The relative positional relationship may change, and if the positions of the snow removal nozzle 4 and the water supply pipe 2 shift in this way, these snow removal nozzles 4 and the water supply pipe 2 will be adjusted to match their positions. Since it is necessary to prepare various pipes for connecting the nozzle 4 and the water supply pipe 2, the pipes are not compatible and there is a disadvantage in terms of cost.

The present invention is intended to solve such a problem, and aims to reduce the thickness of a block in which a water supply pipe and a water spray nozzle are embedded, and to use a common pipe for connecting the snow-melting nozzle and the water supply pipe. An object of the present invention is to provide a snow-melting block equipped with a snow-melting nozzle that can be used.

[0005]

[Means for Solving the Problems]

 According to a first aspect of the present invention, a water supply pipe is embedded along the longitudinal direction of the block, the nozzle body of the snow-melting nozzle is connected to the water supply pipe at a predetermined interval, and is formed on the upper surface of the snow-melting nozzle. In a snow-melting block having a snow-melting nozzle in which a water spray hole is exposed on the surface of the block and a nozzle body is embedded in the block, an axis of the nozzle body and a central axis of the water pipe are spaced from each other. It is buried.

According to a second aspect of the invention, in the snow-melting block including the snow-melting nozzle according to the first aspect, the nozzle body embedded in the block and the water supply pipe are connected by a flexible pipe. is there.

According to a third aspect of the present invention, in a snow removal block equipped with the snow removal nozzle according to the first aspect, a connecting pipe is connected to a water passage hole of a nozzle main body embedded in the block, A branch pipe is projected from the water pipe at a predetermined interval, and an L-shaped joint is connected to the connecting pipe and the branch pipe so as to be watertight and rotatable, and a relay pipe is connected to both joints to make a nozzle. The main body and the water pipe are connected.

[0008]

[Action]

 In the invention according to claim 1, by displacing the axis of the nozzle body and the central axis of the water pipe, there is no need for a space for burying the water pipe in the lower part of the nozzle body, and the block can be made thinner. .

According to the second aspect of the present invention, even if the nozzle body embedded in the block and the water pipe are misaligned, the nozzle body and the water pipe can be connected simply by deforming the flexible pipe. The piping can be shared.

Further, according to the invention of claim 3, even if the height of the nozzle body and the water supply pipe are deviated, the nozzle body and the water supply pipe can be connected by changing the angle of the relay pipe, and the common pipe is used. Can be converted.

[0011]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 3 show a first embodiment of the present invention, in which a reference numeral 10 is a block formed in a rectangular parallelepiped having an elongated rectangular cross section. A water supply pipe 11 connected to a pump such as a pump (not shown) is buried along the pipe, and a plurality of nozzle bodies 12 are branched and connected to the water supply pipe 11 at predetermined intervals.

As shown in FIG. 3, the nozzle body 12 has a head portion 13 and a body portion 14, and the head portion 13 and the body portion 14 are formed in a hollow shape to form a hollow portion inside the head portion 13. 15 is formed, while a water passage 16 is formed inside the body 14. Further, the cavity 15 and the water passage 16 in the nozzle body 12 are partitioned by a partition wall 17, and the partition wall 17 is formed with a communication hole 18 for communicating the cavity portion 15 and the water passage 16 with each other. Water spray holes 19 communicating with the cavity 15 are formed on the upper surface of 13 in a radial pattern. Further, a valve case 22 for covering the water amount adjusting rod 21 by screwing the lower end portion against the partition wall 17 is screwed into a screw hole 20 formed in the central portion of the head portion 13, and the outer peripheral surface of the valve case 22 has the above-mentioned structure. A pin 24 that fits into a groove 23 that is recessed on the outer peripheral surface of the water amount adjusting rod 21 projects and is fixed inside. By fitting the pin 24 and the groove 23, the water amount adjusting rod 21 is placed inside the valve case 22. Is rotatably assembled. In this way, the water amount adjusting rod 21 and the valve case 22 that are rotatably assembled are formed with opening holes 25 and 26, respectively, which correspond to each other. Then, by inserting a tool (not shown) into the driver groove 21A recessed in the upper surface of the water amount adjusting rod 21 and rotating the water amount adjusting rod 21 to shift the position of the opening hole 25 of the water amount adjusting rod 21, the water spray hole 19 Adjust the amount of water sprayed from. That is, if the positions of the opening holes 25, 26 are made to coincide with each other and the opening holes 25, 26 are fully opened, the amount of water sprayed from the water spray hole 19 becomes maximum, and the position of each opening hole 25, 26 is turned by turning the water amount adjusting rod 21. If it is displaced, the amount of water sprayed from the water spray hole 19 will gradually decrease, and when the opening holes 25 and 26 are finally separated, the opening hole 25 of the water amount adjusting rod 21 is closed by the valve case 22, and water is stopped. . The water amount adjusting rod 21 is covered with the rubber cap 27 fitted in the screw hole 20 except when the water amount adjusting rod 21 is rotated.

Further, the nozzle main body 12 of the present embodiment is formed by bending the body portion 14 connected to the lower portion of the head portion 13 laterally so as to be orthogonal to the head portion 13 and The water passage 16 in the hollow portion 15 and the body portion 14 is arranged in an L shape. Further, an outer end portion of the water passage 16 is opened to the outside to form a water passage hole 16A, and a large-diameter concave portion 30 into which a connecting pipe 29 is fitted via a rubber packing 28 is formed at an opening edge thereof. The positional relationship between the nozzle body 12 embedded in the block 10 and the water supply pipe 11 is such that the nozzle body 12 has a head 13 exposed on the surface of the block 10 as shown in FIG. The water supply pipe 11 is buried in the lower part of the other end side of the block 10. That is, the axis X of the nozzle body 12 and the center line X1 of the water supply pipe 11 are embedded with a space S therebetween. A branch pipe 31 protruding laterally from the water supply pipe 11 and a connection pipe 29 connected to the water passage 16 are connected by a flexible pipe 32.

Next, a construction method for the above configuration will be described.

First, a groove A, which is slightly wider than the block 10, is excavated on the road R, and the block 10 is laid in the groove A. At this time, the upper surface of the block 10 is installed flush with the surface of the road R. Then, the water pipes 11 of the adjacent blocks 10 are connected to each other, and the blocks 10 are sequentially installed in the groove A to connect the blocks 10 to each other. After that, the gap between the groove A and the block 10 is filled with sand or gravel, and finally the upper surface of the gravel or sand is paved. Then, by feeding water from the pumping pump (not shown) to the water pipe 11 of the block 10 thus installed, the water pipe 11 passes through the branch pipe 31 and the flexible pipe 32, and the nozzle body The water enters the water passage 16 in 12 and reaches the inside of the cavity 15 through the opening holes 25 and 26 of the water amount control rod 21 and the valve case 22, and then the water is sprayed from the water spray hole 19 to melt the surrounding snow. .

According to the present invention configured as described above, the body portion 14 connected to the head portion 13 of the nozzle body 12 is formed so as to be orthogonal to the head portion 13, and the cavity portion 15 inside the head portion 13 is formed. The water passage 16 in the body portion 14 is arranged in an L shape, the water passage hole 16A of the water passage 16 is opened to the side portion of the body portion 14, and the branch pipe 31 projecting from the water supply pipe 11 is provided to the side. The branch pipe 31 is connected to the water passage 16 of the nozzle body 12 by the flexible pipe 32 so that the nozzle body 12 and the water pipe 11 in the block 10 are connected to each other as shown in FIGS. 1 and 2. It can be embedded in the width direction of the block 10 and the height H can be suppressed compared to the conventional block in which the water supply pipe 11, the branch pipe 31 and the nozzle body 12 are arranged vertically, and the thickness can be greatly reduced. It can be installed on a shallow pavement layer such as a bridge where there is no room in the height direction. Further, the height of the block 10 varies depending on the thickness of the pavement layer to be installed, but in this embodiment, the height of the block 10 itself is different by connecting the nozzle body 12 and the water pipe 11 with the flexible pipe 32. Even if the nozzle body 12 embedded in the block 10 and the water supply pipe 11 are misaligned, the flexible pipe 32 is simply deformed to match the embedded positions of the nozzle body 12 and the water supply pipe 11. 12 and the water supply pipe 11 can be connected, and it is not necessary to prepare a pipe for connecting the nozzle body 12 and the water supply pipe 11 for each of the blocks 10 having different heights, and the pipe parts can be shared.

FIG. 4 and FIG. 5 show a second embodiment of the present invention. The parts having the same functions as those of the first embodiment are designated by the same reference numerals, and the details are omitted and only different parts are shown. explain.

In this example, instead of the flexible pipe 32 shown in the first embodiment, the nozzle body 12 and the water supply pipe 11 are connected by an L-shaped joint 35 and a relay pipe 36. That is, in this embodiment, an L-shaped joint 35 is connected to each of the connection pipe 29 connected to the water passage 16 of the nozzle body 12 and the branch pipe 31 protruding from the water supply pipe 11, and these joints 35 are connected to each other. Connect with a hollow relay pipe 36. An O-ring 37 is attached to the inner peripheral surface of the joint 35, and is rotatably attached to the outer peripheral surfaces of the connecting pipe 29, the branch pipe 31, and the relay pipe 36 in close contact with each other. That is, by attaching the L-shaped joint 35 to the connecting pipe 29, the branch pipe 31, and the relay pipe 36 in a watertight and rotatable manner, the height of the water pipe 11 embedded in the block 10 is increased as shown in FIG. Even if it is misaligned, the nozzle body 12 and the water supply pipe 11 can be connected by rotating the relay pipe 36 and changing its angle, so that the pipe parts can be made common as in the first embodiment, and Similarly to the first embodiment, the block 10 can be thinned by embedding the nozzle body 12 and the water pipe 11 at intervals in the width direction of the block 10.

FIG. 6 shows a third embodiment of the present invention. The parts having the same functions as those of the above-mentioned embodiments are designated by the same reference numerals, and the details thereof will be omitted and only different parts will be described.

In the first and second embodiments, an example in which the block 10 is installed on a paved surface such as a road is shown, but in this example, a curb-shaped block installed at the boundary between the road R and the sidewalk R1. The example applied to the rack 50 is shown. That is, in the block 50 of the present embodiment, the vertical wall 50B is formed by projecting the vertical wall 50B from one end of the thin plate-shaped bottom wall 50A having the upper surface slightly inclined inward, and the vertical wall 50B is formed. The nozzle body 12 is embedded in the inner surface so as to be exposed, and the water pipe 11 is embedded near the end of the bottom wall 50A. Further, the nozzle body 12 is formed into an L-shape as a whole by intersecting the head portion 13 and the body portion 14 in the same manner as in each of the above-mentioned embodiments, and the connecting pipe 29 connected to the nozzle body 12 is provided along the vertical wall 50B. On the other hand, a branch pipe 31 protruding from the water supply pipe 11 is horizontally projected along the bottom wall portion 50A, and the branch pipe 31 and the connecting pipe 29 are connected to each other by an L-shaped joint 35. Connected through. Then, water is sprayed from the nozzle body 12 toward the road R.

In the present embodiment configured as described above, the nozzle main body 12 is embedded in the vertical wall 50B of the L-shaped curb block 50, while being fed to the bottom wall portion 50A of the curb block 50. By embedding the water pipe 11 and arranging the axis line X of the nozzle body 12 and the center line X1 of the water pipe with a space S therebetween, the width W of the vertical wall 50B can be made thin, and the width W toward the road R side can be reduced. The protrusion of the vertical wall 50B can be suppressed.

FIG. 7 and FIG. 8 show fourth and fifth embodiments of the present invention, respectively, and parts having the same functions as those of the above-mentioned embodiments are designated by the same reference numerals, and the details thereof are omitted and different parts are shown. Only I will explain. Similar to the third embodiment, the fourth and fifth embodiments of the present invention show an example in which the invention is applied to a curb type block installed at the boundary between the road R and the sidewalk R1. The block 60 in the example is formed in a rectangular shape having a vertically long cross section by inclining one side slightly upward, while the block 70 in the fifth embodiment is inclined at an angle of about 45 degrees from one side to the upper surface. The inclined surface 70A is formed in a trapezoidal shape, and the upper surface of the nozzle body 12 is exposed and embedded in the inclined surfaces 60A, 70A of the blocks 60, 70. X and the central axis X1 of the water pipe 11 embedded in the blocks 50 and 60 are embedded with a space S therebetween. In the fourth embodiment, the nozzle body 12 uses a vertical snow-melting nozzle in which the head 13 and the body 14 are formed in a straight line, and the connecting pipe 29 connected to the nozzle body 12 is connected to the nozzle body 12. On the other hand, a branch pipe 31 is connected from the water pipe 11 embedded in the block 50 to the back side of the block 50, and the connecting pipe 29 and the branch pipe 31 are bent in a U shape. Connect with flexible tube 32. Further, the nozzle body 12 in the fifth embodiment uses the L-shaped snow-melting nozzle shown in the first, second and third embodiments, in which the head portion 13 and the body portion 14 intersect, and is connected to the nozzle body 12. The connecting pipe 29 is disposed along the inclined surface 70A, while the branch pipe 31 projecting from the water supply pipe 11 is disposed perpendicular to the inclined surface 70A, and the branch pipe 31 and the connecting pipe 29 intersect each other. The connecting pipe 29 and the branch pipe 31 are connected by a flexible pipe 32. In this case, the flexible pipe 32 that connects the connecting pipe 29 and the branch pipe 31 is arranged in the central portion along the longitudinal direction of the block 60 along the inclined surface 50A, and the connecting pipe 29 is branched from both ends of the central portion. Each of them is bent in an L shape toward the pipe 31, and is connected to the connecting pipe 29 and the branch pipe 31.

In the fourth and fifth embodiments of the present invention configured as described above, by disposing the nozzle body 12 and the water supply pipe 11 with a space S therebetween, the curb block 50, 60 The width can be formed thin.

Although the respective embodiments of the present invention have been described in detail above, the present invention is not limited to the above-mentioned embodiments, and various modifications can be made within the scope of the gist of the present invention. For example, in the first embodiment of the present invention, an L-shaped nozzle body whose head and body are orthogonal to each other is embedded in a block laid on the road. However, the vertical eraser used in the fourth embodiment is used. Even if the snow nozzle is embedded in the block, the block can be made thin by embedding the nozzle body and the water pipe at a distance. The shape of the block and whether to use a flexible pipe or an L-shaped joint may be appropriately set. Furthermore, the purpose of use of the snow-melting block is not limited to the road or the boundary between the road and the sidewalk, but it can be widely used for the road surface of the parking lot or the boundary of the road separation zone.

[0026]

[Effect of device]

 According to a first aspect of the present invention, a water supply pipe is embedded along the longitudinal direction of the block, the nozzle body of the snow-melting nozzle is connected to the water supply pipe at a predetermined interval, and is formed on the upper surface of the snow-melting nozzle. In a snow-melting block having a snow-melting nozzle in which a water spray hole is exposed on the surface of the block and a nozzle body is embedded in the block, an axis of the nozzle body and a central axis of the water pipe are spaced from each other. By embedding, the block can be made thinner and the block can be installed in a shallow pavement layer.

The invention according to claim 2 is a snow-melting block equipped with the snow-melting nozzle according to claim 1, wherein the nozzle body embedded in the block and the water supply pipe are connected by a flexible pipe. Even if the positions of the nozzle body and the water supply pipe are misaligned, the nozzle body and the water supply pipe can be connected by the flexible pipe, and the piping parts can be shared.

Further, according to a third aspect of the present invention, in a snow removal block including the snow removal nozzle according to the first aspect, a connection pipe is connected to a water passage hole of a nozzle main body embedded in the block, A branch pipe is projected from the water pipe at a predetermined interval, and an L-shaped joint is connected to the connecting pipe and the branch pipe so as to be watertight and rotatable, and a relay pipe is connected to both joints to make a nozzle. By connecting the main body and the water supply pipe, it is possible to deal with the positional deviation in the height direction of the nozzle main body and the water supply pipe only by changing the angle of the relay pipe, and the pipe parts can be made common.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a snow removal block showing a first embodiment of the present invention.

FIG. 2 is a plan view of a snow-melting block with a part enlarged above.

FIG. 3 is an enlarged cross-sectional view of the snow melting nozzle of the above.

FIG. 4 is a plan view of a snow removal nozzle showing a second embodiment of the present invention.

FIG. 5 is a front view of the snow melting nozzle.

FIG. 6 is a cross-sectional view of a snow removal block showing a third embodiment of the present invention.

FIG. 7 is a sectional view of a snow removal block showing a fourth embodiment of the present invention.

FIG. 8 is a cross-sectional view of a snow removal block showing a fifth embodiment of the present invention.

FIG. 9 is a cross-sectional view of a snow removal block showing a conventional example.

[Explanation of symbols]

 10,50,60,70 Block 11 Water supply pipe 12 Nozzle body 19 Sprinkling hole 29 Connection pipe 31 Branch pipe 32 Flexible pipe 35 Joint 36 Relay pipe

Claims (3)

[Scope of utility model registration request] 1. A water supply pipe is embedded along a longitudinal direction of a block, and a nozzle body of a snow-melting nozzle is connected to the water-supply pipe at a predetermined interval, and a water spray hole formed on an upper surface of the snow-melting nozzle is formed. In a snow-removing block including a snow-discharging nozzle in which a nozzle main body is embedded in the block while being exposed on the surface of the block, the axis of the nozzle main body and the central axis of the water supply pipe are embedded with a space therebetween. A block for snow removal equipped with a snow removal nozzle. 2. A snow-removing block equipped with a snow-removing nozzle according to claim 1, wherein the nozzle body embedded in the block and the water supply pipe are connected by a flexible pipe. 3. A connecting pipe is connected to a water passage hole of a nozzle main body embedded in the block, and a branch pipe is projected from the water pipe at a predetermined interval, and the connecting pipe and the branch pipe are each L-shaped. The water-tight and rotatably connected joints, and the joint body is connected to both joints by a relay pipe to connect the nozzle body and the water supply pipe. block.