JP6641333B2 - Snow melting connector - Google Patents

Description

  The present invention relates to a snow melting connector.

  Conventionally, a pumping pipe section 31 provided with a pump section 32 disposed in an excavation hole 50 formed underground as shown in FIG. 15, and groundwater W pumped up through the pumping pipe section 31 is used as a snow melting water sprinkling point. A snow-melting connector Y (hereinafter referred to as a conventional example) in which a snow-melting water pipe 33 for feeding to A is continuously provided.

  This conventional example is provided in a space 40 having an upper opening 40a formed in a portion near the surface of the ground, and is provided in a tubular state provided in a water-passing state above a pumping pipe 31 arranged in the space 40. The body 60 has a structure in which the tip opening is provided in a bent state so as to open in the horizontal direction, and a water pipe 33 for snow melting is connected to the tip opening.

  For example, when operating the valve of the water pipe 33 for melting snow, the operator opens the opening / closing lid 41 that closes the upper opening 40a and enters the space 40 from the upper opening 40a to perform work. Will be. The diameter of the opening / closing lid 41 (upper opening 40a) provided in the space 40 is generally about 60 cm to 75 cm, which is particularly strong when it is provided at a place where there is traffic such as a roadway. This is because the opening / closing lid 41 having a large diameter cannot be adopted when considered.

  By the way, in recent years, as interest in disasters has increased, there is a demand for using groundwater not only for snow removal but also for fire extinguishing.

  The present inventors have proceeded with the development of the above-described snow-melting connector, and as a result, have developed an unprecedented innovative snow-melting connector.

  The gist of the present invention will be described with reference to the accompanying drawings.

A pumping pipe section 31 provided with a pump section 32 disposed in an excavation hole 50 formed underground; a snowmelting water pipe 33 for sending groundwater W pumped through the pumping pipe section 31 to a snowmelt spraying point A; Are connected in a space 40 having an upper opening 40a formed in the vicinity of the surface of the ground, and the snow-melting connector X is provided. In the connecting body X, a plurality of branch pipe sections 2 and 3 projecting in a radial direction in a plan view are connected and connected to a vertical pipe section 1 that is connected and connected to the pumping pipe section 31. The water pipe 33 for melting snow is connected to the section 2, and the other branch pipe section 3 is extended in the vertical direction through a bent section 3 a, and the center point P 1 of the cross section of the vertical pipe section 1 is connected to another section. wherein the opening center point P2 of the vertical edge 5 of the branch pipe portion 3 is provided in a state of being deviated plan view, before the other The vertical end portion 5 of the branch pipe portion 3 is intended according to the snow melting connection member, characterized in that it is configured such that the extinguishing water pipe 34 is detachably connected.

The snow-melting connector according to claim 1, wherein the snow-melting connector X is set to a size that fits within the projected area of the upper opening 40a of the space 40. It concerns the body.

Further, the snow melting connection member of the mounting serial to any one of claims 1, 2, the vertical edge 5 of the other of said branch pipe part 3, the fitting or fitting the lower end portion of the fire-extinguishing water pipe 34 The fire extinguishing water pipe 34 or the operating lever 6 provided on the vertical end portion 5 can be operated in this connected state to lock and unlock the connected state. The present invention relates to a snow melting connector characterized by having the above-described configuration.

In addition, in the snow-melting connector according to any one of claims 1 to 3, a closing lid 10 is detachably provided at a vertical end 5 of the other branch pipe portion 3. The present invention relates to a snow melting connection body.

  Since the present invention is configured as described above, groundwater that has been conventionally used for snow-extinguishing can be used for fire-extinguishing, and the work of switching between use scenes for fire extinguishing and non-use scenes is good. It is a revolutionary snow melting connection that has never been seen before.

FIG. 4 is an explanatory diagram of a use state of the present embodiment. FIG. 4 is an explanatory diagram of a use state of the present embodiment. FIG. 2 is a perspective view illustrating a main part of the present embodiment. It is a perspective view showing a present Example. It is a top view showing this example. It is AA sectional drawing of FIG. FIG. 6 is a sectional view taken along line BB of FIG. 5. It is explanatory sectional drawing of the principal part of a present Example. FIG. 4 is an explanatory diagram of a use state of the present embodiment. FIG. 7 is an explanatory diagram of an operation of a main part of the present embodiment. FIG. 7 is an explanatory diagram of an operation of a main part of the present embodiment. FIG. 7 is an explanatory diagram of an operation of a main part of the present embodiment. FIG. 3 is an explanatory diagram of a main part of the present embodiment. It is explanatory drawing of the principal part of a comparative example. FIG. 11 is an explanatory view of a use state of a conventional example.

  Preferred embodiments of the present invention will be briefly described with reference to the drawings, showing the operation of the present invention.

  For example, when groundwater is used for fire extinguishing in the event of a fire, the fire extinguishing water pipe 34 is connected to the vertical end 5 of the other branch pipe section 3, and groundwater is supplied through a fire hose connected to the fire extinguishing water pipe 34. Water for fire extinguishing.

  By the way, according to the present invention, a plurality of branch pipes 2 and 3 are connected and connected to a vertical pipe 1 which is connected and connected to a pumping pipe 31, and a water pipe 33 for melting snow is provided in one branch pipe 2. The other branch pipe part 3 is connected and is extended in the vertical direction via the bent part 3a, and a fire extinguishing water pipe 34 is detachably connected to the vertical end part 5 of the other branch pipe part 3. Things.

  Therefore, from this configuration, the work of switching ground water to use or non-use for fire extinguishing, that is, attaching and detaching the fire extinguishing water pipe 34 to and from the vertical end 5 of the other branch pipe part 3 is extremely simple and easy. It can be done quickly.

  Specifically, as described in the Background Art section, the opening width of the upper opening 40a of the space 40 is limited, and the opening width of the upper opening 40a is relatively narrow. Further, for example, the pumping pipe section 31 of the pumping device 30 may be pulled up for maintenance or the like. In this case, in order to prevent as much as possible collision with the upper opening 40a when passing through the upper opening 40a, the pumping pipe section 31 and the upper opening 40a are linearly viewed from the plane. It is designed so that the pumping pipe 31 is located at the center of the upper opening 40a.

  In this case, when the fire extinguishing water pipe 34 is connected to a position on the upper extension line of the water pumping pipe section 31 as shown in FIG. 14 in order to connect the fire extinguishing water pipe 34 to the snow melting connector Y, the fire extinguishing water pipe 34 is connected. The water pipe 34 rises while being located at the center of the upper opening 40a. However, in this state, the entrance into which the worker enters (the area surrounded by the two-dot chain line in FIG. 14) is narrow, and it is extremely difficult to work.

  In this regard, according to the present invention, even when the fire extinguishing water pipe 34 is connected to the vertical end 5 from the above-described configuration, the fire extinguishing water pipe 34 rises up to a position shifted from the position of the center of the upper opening 40a. Therefore, the entrance (the area surrounded by the two-dot chain line in FIG. 13) into which the worker enters is wide and can enter the space portion 40 without any trouble, so that the fire extinguishing water pipe 34 with respect to the vertical end 5 Connection work and removal work can be performed well.

  A specific embodiment of the present invention will be described with reference to the drawings.

  This embodiment has a pumping pipe section 31 provided with a pump section 32 disposed in an excavation hole 50 formed underground, and a snowmelt for sending groundwater W pumped through the pumping pipe section 31 to a snowmelt spraying point A. This is a snow melting connector X connected to the water pipe 33, and the snow melting connector X is provided in a space 40 having an upper opening 40a formed near the ground surface.

  The space portion 40 is formed of a concrete box-shaped block as shown in FIGS. 1 and 2, and the upper end portion of the pumping tube portion 31 is provided at the bottom portion for installing the snow melting connector X. Is provided, and an upper opening 40a in which a metal opening / closing lid 41 (so-called manhole) is provided at the upper part.

  Specifically, as shown in FIGS. 3 to 8, it is a tubular body formed of an appropriate metal member, and protrudes in a radial direction in a plan view from a vertical pipe portion 1 that is provided in communication with a pumping pipe portion 31. A plurality of branch pipe sections 2 and 3 are provided so as to communicate with each other.

  At the lower end of the vertical pipe 1 is provided a connecting portion 1a (peripheral flange) which is butt-connected to the upper end (peripheral flange) of the water pumping tube 31 via a fastening member 20 (bolt).

  Further, the vertical pipe portion 1 is provided with a ridge 1b at a position above the connecting portion 1a in a circumferential direction, and the ridge 1b is used to install the snow melting connector X to the installation portion 40b. An installation plate 9 is provided.

  The installation plate 9 is composed of a pair of plate-like halves made of an appropriate metal member as shown in FIGS. 4 and 5, and is fitted on the vertical pipe portion 1 and slid in the vertical direction. It is provided movably, and is fixed to the ridge 1b via a fixing member 21 (bolt). Note that a spacer is provided between the ridge 1b and the installation plate 9.

  In addition, hanging connection rings 9 a are provided at four corners of the installation plate 9.

  The suspension connecting ring 9a is used not only when the snow melting connector X is moved in a suspended state, but also when, for example, the water pumping pipe section 31 is pulled up.

  As shown in FIGS. 3 to 6, one branch pipe section 2 extends horizontally from the peripheral surface of the vertical pipe section 1, and has a front end opening opening in the horizontal direction. The tip (peripheral flange 33b) of the water pipe 33 for snow melting is butt-connected to the part 4 (peripheral flange 4a) via a fastening member 22 (bolt).

  Therefore, when the groundwater W is sprayed to the snow melting water spraying point A, the groundwater W passes through one branch pipe portion 2 by opening the valve 33a of the snowmelting water supply pipe 33, and the watermelting water pipe 33 Water is passed through 35.

  As shown in FIGS. 3 to 5, 7, and 8, the other branch pipe portion 3 extends in the vertical direction via the bent portion 3 a, and the center point P <b> 1 of the cross section of the vertical pipe portion 1 is connected to the other. The opening center point P2 of the vertical end portion 5 of the branch pipe portion 3 is displaced in the horizontal direction in plan view.

  A fire extinguishing water pipe 34 (a metal tubular body provided with a fire hydrant valve 34a) provided with a fire hose 36 is detachably connected to the vertical end 5 of the other branch pipe section 3.

  Further, the vertical end 5 is provided so as to be connected to the lower end of the fire extinguishing water pipe 34 so as to be fitted thereto, and is provided between the vertical end 5 and the lower end of the fire extinguishing water pipe 34. Is provided with a cam lock structure.

  Specifically, as shown in FIGS. 3 and 12, an operation lever 6 is provided at a position opposite to the lower end of the fire-extinguishing water pipe 34 so as to be able to sway vertically. A grooved locked portion 8 to which the lock 7 engages is provided around the vertical end 5, and the fire extinguishing water pipe 34 is connected to the vertical end 5 and provided on the fire extinguishing water pipe 34 in a state where the fire extinguishing water pipe 34 is connected. By the operation of the operating lever 6, the locking portion 7 of the operating lever 6 is engaged with and disengaged from the locked portion 8 provided on the vertical end portion 5, thereby locking and unlocking the connected state. Switching operation can be performed.

  Accordingly, when the lower end of the fire extinguishing water pipe 34 is fitted to the vertical end 5 and the operating lever 6 is moved from the lower position to the upper position in this state, the locking portion 7 engages with the locked portion 8. By stopping, the connection of the fire extinguishing water pipe 34 to the vertical end 5 is locked (see FIG. 12). When releasing the locked state, the operation lever 6 is slid from the upper position to the lower position.

  Further, the vertical end 5 is provided with a closing lid 10 in a normal state where the fire extinguishing water pipe 34 is not connected, and the closing lid 10 is also provided with an operation lever 10a having the same structure as the fire extinguishing water pipe 34. And a cam lock structure is provided.

  Reference numeral 37 denotes an air vent, and reference numeral 38 denotes a compound meter.

  The snow melting connector X having the above-described configuration is provided such that the center point P1 of the cross section of the vertical pipe 1 is located at the center of the upper opening 40a of the space 40 (see FIG. 9).

  Since the present embodiment is configured as described above, for example, when groundwater is used for fire extinguishing in the event of a fire, the fire extinguishing water pipe 34 is connected to the vertical end 5 of the other branch pipe section 3, and the fire extinguishing water is supplied. The groundwater is discharged for fire extinguishing through a fire hose connected to the water pipe.

  In the present embodiment, even if the fire extinguishing water pipe 34 is connected to the vertical end 5, the fire extinguishing water pipe 34 rises to a position shifted from the position of the center of the upper opening 40 a, so that the entrance for the worker enters. (The area surrounded by the two-dot chain line in FIG. 13) is wide and can enter into the space part 40 without any trouble. Therefore, the connection work and the removal work of the fire extinguishing water pipe 34 to the vertical end part 5 are good. Can be done.

  In this embodiment, the vertical end 5 of the other branch pipe 3 is provided so that the lower end of the water supply pipe 34 for fire extinguishing can be fitted or fitted so that it can be connected continuously. Since the water supply pipe 34 or the operating lever 6 provided at the vertical end 5 is operated to lock and unlock the connected state, the fire extinguishing water pipe to the vertical end 5 is provided. 34 can be easily and reliably attached and detached.

  Note that the present invention is not limited to the present embodiment, and a specific configuration of each component can be appropriately designed.

A Sprinkling point of snowmelt P1 Center point of cross section P2 Center point of opening
W Groundwater X Snow melting connector 1 Vertical pipe section 2 Branch pipe section 3 Branch pipe section 3a Bend section 5 Vertical end section 6 Operation lever
10 closure lid
31 Pumping pipe section
32 Pump section
33 Water pipe for melting snow
34 Fire water pipe
40 space
40a Upper opening
50 drill holes

Claims (4)

A connection for snow melting in which a pumping pipe section provided with a pump section arranged in an excavation hole formed underground and a water pipe for snow melting for sending groundwater pumped through the pumping pipe section to a snow melting water sprinkling point are connected in series. The snow-melting connector is provided in a space having an upper opening formed in a portion near the surface of the ground, and the snow-melting connector is provided in communication with the pumping pipe portion. A plurality of branch pipes projecting in a radial direction in plan view are communicated and connected to the vertical pipe part to be connected, the water pipe for snow melting is connected to one branch pipe part, and the other branch pipe part is connected. Is extended in the vertical direction through the bent portion, and provided in a state where the center point of the cross section of the vertical pipe portion and the center point of the opening of the vertical end portion of the other branch pipe portion are displaced in plan view. and which, Fire water pipe is in a vertical direction end portion of the other of said branch pipe part is detachably against Snow melting connection member, characterized in that it is configured to be. 2. The snow-melting connector according to claim 1, wherein the snow-melting connector is set to a size that fits within a projected area of an upper opening of the space. 3. In claim 1 for snow melting connection of placing serial to any one, vertical edge of the other of the branch pipe part, continuously arranged to the lower end of the fire-extinguishing water pipes by fitting or fitting the It is provided so that it is possible to lock and unlock the connected state by operating the fire extinguishing water pipe or the operating lever provided at the vertical end in this connected state. Features a snow melt connection. The snow-melting connector according to any one of claims 1 to 3, wherein a closing lid is detachably provided at a vertical end of the other branch pipe portion. .

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