JP6078395B2 - Water supply equipment - Google Patents

Description

  The present invention relates to a water supply apparatus.

As a water supply apparatus for supplying irrigation water to a paddy field, for example, an apparatus as described in Patent Document 1 is known. The water supply device includes a water supply basin having a drain outlet on a side wall, and a water supply valve provided in the water supply basin and connected to a water supply pipe that is a water supply pipe for passing water. Yes.
The water supply valve is connected to the water supply pipe by operating the handle, and the valve seat provided at the upper end opening of the pipe rising in the vertical direction in the water supply tank is separated from the valve body, so that It is configured to supply water.

Japanese Patent No. 4090674

  By the way, in said water supply apparatus, when opening a valve body, it is known that water may scatter and may interfere with valve operation. In particular, when the water supply pipe is deep in the ground, the water pressure applied to the valve body is high, and the momentum of the scattered water is strong, and the worker may be forced to take an unreasonable posture. When the water supply device is provided with a weir for preventing a backflow, although the scattering of water is somewhat reduced, since the upper part of the weir is open, the upward water scattering cannot be made zero.

  In addition, the scattering of water makes it difficult to visually check the state of the valve when the valve is operated.For this reason, the valve body may be damaged by biting foreign matter when the valve is closed or by applying excessive force. There is.

  The present invention has been made in consideration of such circumstances, and an object thereof is to provide a water supply apparatus that can prevent water from splashing upward when the valve is opened.

A water supply apparatus according to the present invention includes a water supply tank disposed so that a pipe into which pressurized water is introduced rises in a vertical direction, and a water supply pipe provided inside the water supply tank. The water supply valve includes a valve seat provided at an upper end opening of the pipe, a valve body that moves in an axial direction of the pipe to open and close the valve seat, and a handle that opens and closes the valve body A splash prevention cover is attached to the water supply valve so as to cover the upper side of the water supply valve, and the operation part extends above the handle. The anti-scattering cover is a plate-like member attached below the auxiliary handle. The auxiliary handle is detachably attached to the handle.

  According to the above configuration, the scattering prevention cover is attached, so that scattering of water upward when the valve is open can be prevented.

In addition , since the sub handle is detachably attached to the handle, it can be easily separated from the water supply valve, so that it is easy to maintain and manage the water supply valve.

A water supply apparatus according to the present invention includes a water supply tank disposed so that a pipe into which pressurized water is introduced rises in a vertical direction, and a water supply pipe provided inside the water supply tank. The water supply valve includes a valve seat provided at an upper end opening of the pipe, a valve body that moves in an axial direction of the pipe to open and close the valve seat, and a handle that opens and closes the valve body A splash prevention cover is attached to the water supply valve so as to cover the upper side of the water supply valve, and the operation part extends above the handle. The anti-scattering cover is a plate member attached to the handle. The auxiliary handle is detachably attached to the handle.

According to the above configuration, the scattering prevention cover is attached, so that scattering of water upward when the valve is open can be prevented.
Moreover , since the scattering prevention cover is arrange | positioned in the position close | similar to the principal part of a water supply valve, scattering of water can be prevented more effectively.

  The said water supply apparatus WHEREIN: It is preferable that the said scattering prevention cover has a cylindrical part extended below from the outer peripheral part of the said plate-shaped member.

  According to the said structure, since the scattering to the side of water is prevented by the cylindrical part of a scattering prevention cover, scattering of the water at the time of valve opening can be prevented more effectively.

  In the above water supply apparatus, the water supply valve includes a frame-shaped support member that is configured to support the valve body so as to be movable up and down and allow water to pass therethrough, and the scattering prevention cover includes the frame-shaped support member. It is preferable that the support member is provided integrally with the frame-shaped support member so as to cover the support member and open the lower part of the frame-shaped support member.

  According to the said structure, since the scattering prevention cover is arrange | positioned in the position nearer the main part of a water supply valve | bulb more, scattering of water can be prevented more effectively.

  The said water supply apparatus WHEREIN: It is preferable that the said scattering prevention cover is formed with the material which has transparency.

  According to the above configuration, when the valve is closed, it can be visually confirmed whether or not foreign matter is caught between the valve body and the valve seat. Similarly, since the state of the valve can be visually confirmed when the valve is closed, it is possible to prevent the valve from being damaged by applying an excessive force.

  According to the present invention, since the scattering prevention cover is attached, it is possible to prevent water from splashing upward when the valve is opened.

It is sectional drawing which shows the water supply apparatus of 1st embodiment of this invention. It is sectional drawing which shows the water supply valve periphery of the water supply apparatus of 1st embodiment of this invention. It is a figure which shows the operation part of 1st embodiment of this invention, Comprising: (a) is the figure which looked at the handle from upper direction, (b) is the figure which looked at the sub handle from the downward direction. In the water supply apparatus of 1st embodiment of this invention, it is a figure which shows a mode that a sub handle is engaged with a handle. It is sectional drawing which shows the water supply valve periphery of the water supply apparatus of 2nd embodiment of this invention. It is sectional drawing which shows the water supply valve periphery of the water supply apparatus of 3rd embodiment of this invention. It is sectional drawing which shows the water supply valve periphery of the water supply apparatus of another form of 3rd embodiment of this invention. It is sectional drawing which shows the water supply valve periphery of the water supply apparatus of 4th embodiment of this invention.

  Hereinafter, a water supply apparatus according to an embodiment of the present invention will be described in detail with reference to the drawings, taking as an example a case where water is supplied to a paddy field.

(First embodiment)
As shown in FIG. 1, the water supply apparatus 1 of this embodiment is an apparatus for supplying the water supplied from the water supply pipe 2 which is a water flow pipe for letting water through to the cultivation field 50 of a paddy field.
The water supply apparatus 1 includes a water supply tank 3 provided on a slope portion on one side of the farm road 51 and a water supply valve 4 accommodated in the water supply tank 3.

The water supply basin 3 is provided with a drainage port 5 for discharging the water flowing into the water supply basin 3 into the cultivation area 50.
The water supply valve 4 is connected to the water supply pipe 2 and has a valve seat 8 provided at an upper end opening of an L-shaped pipe 7 having a pipe main body portion 7a (pipe) rising in the vertical direction within the water supply tank 3, and a pipe main body portion The valve body 9 is provided so as to move in the axial direction of 7a, block the valve seat 8, and open freely.

  The valve body 9 includes a valve body main body 10 that contacts the valve seat 8 and a valve shaft 11 that extends vertically upward from the valve body main body 10. A male screw is formed on the outer peripheral surface of the valve shaft 11. Further, the valve body 9 is combined with the frame-shaped support member 12 so as not to rotate around the central axis of the valve shaft 11. That is, even when a force for rotating the valve shaft 11 around the shaft is applied, the valve body 9 does not rotate.

A frame-like support member 12 for supporting the valve body 9 is fixed to the valve seat 8. Specifically, the frame-shaped support member 12 has a frame shape by combining frames, and has a shape that allows passage of water supplied from the upper end of the pipe body portion 7a when opened. That is, the water supplied through the water supply pipe 2 and the L-shaped pipe 7 is supplied to the water supply tank 3 without being blocked by the frame-like support member 12 in a state where the water supply valve 4 is opened. Moreover, the frame-shaped support member 12 supports the valve shaft 11 rotatably at the upper part thereof.
The frame-like support member 12 is not necessarily fixed to the valve seat 8 and may be fixed to the L-shaped pipe 7.

  The L-shaped pipe 7 is provided with a backflow prevention rod 20 that covers the periphery of the water supply valve 4. The backflow prevention rod 20 has a cylindrical body 21 having an inner diameter larger than the outer diameter of the water supply valve 4, and a sliding portion 22 provided at the lower portion of the cylindrical body 21 and slidably contacting the outer peripheral surface of the L-shaped pipe 7 so as to move up and down. It is composed of The backflow prevention rod 20 is pulled up so as to cover the periphery of the water supply valve 4, so that even if earth or sand flows into the water supply rod 3 from the drain port 5, contamination of the water supply valve 4 due to sediment or the inside of the L-shaped pipe 7 Prevents backflow of earth and sand.

Further, the water supply valve 4 has an operation unit 6 having a handle 14 for opening and closing the valve body 9.
As shown in FIG. 2, the handle 14 is rotatably attached to the upper part of the frame-like support member 12. The handle 14 is a circular operation unit, and the valve body 9 can be operated vertically by rotating the handle 14. Specifically, the valve shaft 11 passes through the through hole 15 in the center of the handle 14, and is formed on the outer peripheral surface of the valve shaft 11 and the female screw formed on the inner peripheral surface of the through hole 15 of the handle 14. The male screw is screwed.

  As shown in FIG. 3A, an engagement protrusion 16 having a regular quadrilateral outer shape is provided at the center of the upper surface of the handle 14 so as to surround the valve shaft 11 when viewed from above. The engagement protrusion 16 is formed such that the center of the engagement protrusion 16 coincides with the centers of the valve shaft 11 and the through hole 15.

  Referring to FIG. 1 again, the operation unit 6 includes a sub handle 24 that enables the handle 14 to be operated from above so as to extend the handle 14. The sub handle 24 can be detachably attached to the handle 14. The sub handle 24 includes a cylindrical sub handle main body 25, a grip portion 26 provided at one end of the sub handle main body 25, and an engagement portion 27 provided at the other end of the sub handle main body 25. It is configured.

  The engaging portion 27 is formed so as to be engageable with an engaging protrusion 16 provided on the upper surface of the handle 14. As shown in FIG. 3B, the engaging portion 27 is formed with an engaging hole 27 a that engages with the engaging protrusion 16. Thereby, the sub handle 24 and the handle 14 can be connected by engaging the engaging protrusion 16 of the handle 14 and the engaging portion 27 of the sub handle 24. The handle 14 can be rotated by operating from above the position of the handle 14.

  Further, a scattering prevention cover 30 is integrally attached to the lower portion of the sub handle 24. The anti-scattering cover 30 is a circular plate member as viewed from above. The scattering prevention cover 30 is formed of a transparent acrylic resin.

  The anti-scattering cover 30 is formed slightly larger than the outer shape viewed from above the support member. Specifically, the size is such that the support member is sufficiently hidden when viewed from above. The material for forming the anti-scattering cover 30 is not limited to the acrylic resin as long as it is transparent and has a hardness equal to or higher than that of the acrylic resin, and various materials can be adopted. Moreover, it is preferable that the position where the anti-scatter cover 30 is attached is as low as possible within a range that does not interfere with the handle 14.

Next, operation | movement of the water supply apparatus 1 of this embodiment is demonstrated. Here, the case where the sub handle 24 is attached to the handle 14 and operated from a higher position will be described.
First, as shown in FIG. 4, the sub handle 24 is inserted from above, and the engaging protrusion 16 of the handle 14 and the engaging portion 27 of the sub handle 24 are engaged. Here, pressurized water is introduced into the L-shaped pipe 7 through the water supply pipe 2.

  When the valve is opened, the user rotates the grip portion 26 of the sub handle 24. As a result, the handle 14 rotates via the sub handle 24. By rotation of the handle 14, the valve body 9 moves upward via the valve shaft 11, the valve body 9 and the valve seat 8 are separated from each other, and water is supplied into the water supply tank 3. Here, when the pressure of water is high, water is scattered from between the valve body 9 and the valve seat 8 at the moment when the valve body 9 and the valve seat 8 are separated. The scattering also extends upward. Further, the rotation of the handle 14 causes the valve shaft 11 to rise upward in the vertical direction. However, since the sub handle main body portion 25 has a hollow structure, the valve shaft 11 and the sub handle main body portion 25 do not interfere with each other.

According to the embodiment described above, the splash prevention cover 30 is attached to the sub handle 24, so that splashing of water upward when the valve is opened can be prevented.
Moreover, since the sub handle 24 is detachably attached to the handle 14 and can be easily separated from the water supply valve 4, it is easy to maintain and manage the water supply valve 4.

In addition, since the anti-scattering cover 30 is formed of a transparent material, it is visually confirmed that there is no foreign matter caught between the valve body 9 and the valve seat 8 when the valve is closed. Can do. Similarly, since the state of the valve can be visually confirmed when the valve is closed, it is possible to prevent the valve from being damaged by applying an excessive force.
Moreover, the scattering prevention cover 30 can be attached to the existing water supply apparatus 1 more easily.

  Next, a second embodiment to a fourth embodiment of the present invention will be described. In the second embodiment to the fourth embodiment, the same configurations, operations, and effects as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted, and the configurations, operations, and effects different from those in the first embodiment are described. explain.

(Second embodiment)
As shown in FIG. 5, the anti-scattering cover 30B of the present embodiment has a bottomed cylindrical shape. Specifically, the anti-scattering cover 30 </ b> B includes a disc portion 31 attached to the sub handle 24 and a cylindrical portion 32 connected to the outer peripheral portion of the disc portion 31 and extending downward. That is, the anti-scattering cover 30 </ b> B has a shape that is open only below and covers the upper side and the side of the water supply valve 4.

  According to the embodiment, the cylindrical portion 32 of the anti-scattering cover 30B prevents water from being scattered to the side, so that it is possible to more effectively prevent water from being scattered when the valve is open.

  Note that the anti-scattering cover 30B of the present embodiment does not need to be entirely formed of a transparent material, and at least the upper surface, that is, the disk portion 31 is formed of a transparent material. Good.

(Third embodiment)
As shown in FIG. 6, the scattering prevention cover 30 </ b> C of the present embodiment is attached integrally with the frame-shaped support member 12. Specifically, the scattering prevention cover 30 </ b> C of the present embodiment is connected to the disk portion 31 provided integrally with the frame-shaped support member 12 on the upper surface of the frame-shaped support member 12, and the outer peripheral portion of the disk portion 31. And a cylindrical portion 32 extending downward. The disc portion 31 is fixed so as to be sandwiched between the handle 14 and the frame-like support member 12. The anti-scattering cover 30 </ b> C is open at the bottom and has a shape that covers the top of the frame-shaped support member 12.

  According to the above embodiment, the scattering prevention cover 30 </ b> C is disposed at a position closer to the main part of the water supply valve 4, so that the scattering of water can be more effectively prevented.

  In addition, although the scattering prevention cover 30C of this embodiment is formed so that only the upper direction of the frame-shaped support member 12 may be covered, the scattering prevention cover 30C is the whole frame-shaped support member 12 as shown in FIG. It may be formed so as to cover.

(Fourth embodiment)
As shown in FIG. 8, the scattering prevention cover 30 </ b> D of the present embodiment is obtained by attaching the scattering prevention cover 30 </ b> B of the second embodiment to the handle 14. That is, the scattering prevention cover 30 </ b> D of the present embodiment includes a disc portion 31 attached to the upper surface of the handle 14 and a cylindrical portion 32 connected to the outer peripheral portion of the disc portion 31 and extending downward. Yes.

  According to the above embodiment, the scattering prevention cover 30 </ b> D can be more easily disposed at a position near the main part of the water supply valve 4.

  The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention. Moreover, the structure which combined the characteristic demonstrated by said several embodiment arbitrarily may be sufficient.

  For example, the pipe connected to the downstream side of the water supply pipe is not limited to the L shape. For example, a pipe that rises in a vertical direction from a water supply pipe extending below the water supply tank and penetrates the bottom plate of the water supply tank may be used.

  Moreover, the water supply apparatus can be used not only for supplying water to the cultivation area of the paddy field but also for various uses such as a well pump.

DESCRIPTION OF SYMBOLS 1 Water supply apparatus 2 Water supply pipe 3 Water supply trough 4 Water supply valve 5 Drain outlet 6 Operation part 7 L-shaped pipe 7a Pipe main-body part (pipe)
DESCRIPTION OF SYMBOLS 8 Valve seat 9 Valve body 10 Valve body main body 11 Valve shaft 12 Frame-shaped support member 14 Handle 16 Engagement protrusion 24 Sub handle 25 Sub handle main body part 26 Grip part 27 Engagement part 27a Engagement hole 30 Scatter prevention cover 31 Disc Part 32 Cylindrical part

Claims (5)

A water tank arranged such that a pipe into which pressurized water is introduced rises vertically in the interior;
A water supply device having a water supply pipe provided inside the water supply tank,
The water supply valve includes a valve seat provided at an upper end opening of the pipe, a valve body that moves in an axial direction of the pipe to open and close the valve seat, and an operation unit that has a handle for opening and closing the valve body. And having
A splash prevention cover is attached to the water supply valve so as to cover the upper side of the water supply valve ,
The operation unit has a sub handle detachably attached to the handle so as to extend above the handle,
The water supply device according to claim 1, wherein the splash prevention cover is a plate-like member attached below the sub handle. A water tank arranged such that a pipe into which pressurized water is introduced rises vertically in the interior;
A water supply device having a water supply pipe provided inside the water supply tank,
The water supply valve includes a valve seat provided at an upper end opening of the pipe, a valve body that moves in an axial direction of the pipe to open and close the valve seat, and an operation unit that has a handle for opening and closing the valve body. And having
A splash prevention cover is attached to the water supply valve so as to cover the upper side of the water supply valve ,
The operation unit has a sub handle detachably attached to the handle so as to extend above the handle,
The water supply device, wherein the scattering prevention cover is a plate-like member attached to the handle. The scattering prevention cover is water supply apparatus according to claim 1 or claim 2 characterized in that it has a cylindrical portion extending downward from the outer periphery of the plate-like member. The water supply valve has a frame-like support member formed to support the valve body so as to be movable up and down and to allow passage of water,
The scattering prevention cover according covers the frame-like support member, so as to open downward of the frame-like support member, from claim 1, characterized in that provided integrally with the frame-like support member Item 4. A water supply apparatus according to any one of Items 3 to 3 . The water supply device according to any one of claims 1 to 4 , wherein the scattering prevention cover is formed of a material having transparency.

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