KR101905029B1 - Apparatus for preventing pollution of subterranean water - Google Patents

Abstract

The present invention relates to a device to prevent contamination of a groundwater hole and, more specifically, to a device to prevent a groundwater hole from being contaminated, wherein a flowmeter installed inside an intake pipe is easily checked from the outside through a transparent window installed in a cover. To this end, according to the present invention, the device to prevent contamination of a groundwater hole comprises: the intake pipe inserted into the groundwater hole to discharge groundwater pumped by a pump inside the intake pipe; the flowmeter to measure a flow rate of the groundwater discharged from the inside of the intake pipe; and the cover covering and sealing the upper part of the intake pipe to prevent contamination. The cover comprises: the transparent window disposed at a position corresponding to the flowmeter; a rotary shaft inserted into a through-hole formed on a side part of the transparent window to vertically penetrate the cover and installed to be able to vertically move and horizontally rotate; a wiper supported by the rotary shaft to be horizontally rotated while being in contact with the lower surface of the transparent window; a knob connected to the upper side of the rotary shaft exposed to the upper side of the cover to rotate the rotary shaft; a spring inserted into the rotary shaft disposed on the lower side of the cover; and a stopper coupled to the lower side of the cover to prevent the spring from going out.

Description

[0001] Apparatus for preventing pollution of subterranean water [

The present invention relates to an apparatus for preventing contamination of an underground water hole, and more particularly, to an apparatus for preventing contamination of an underground water hole by allowing a flow meter installed inside a water intake pipe to be easily recognized from the outside through a transparent window provided on the cover.

Generally, facilities for collecting groundwater for drinking water or for agriculture and industrial purposes are installed. In order to prevent contamination of foreign objects from foreign substances, pollution prevention devices should be provided.

Such a pollution prevention device is described in Korean Patent No. 10-0555925, and in order to be in contrast with the present invention, these technical matters will be described with reference to FIG.

As shown in FIG. 5, a first water intake pipe 200 embedded in the groundwater layer to communicate with the groundwater layer is provided, and a watertight waterproof cover 220 is provided at an upper end of the first water intake pipe 200 The first water intake pipe 200 is connected to the first water intake pipe 200 and is connected to an underwater pump 244 for discharging the ground water to the outside The pump 244 pumps the groundwater stored in the first water intake pipe 200 to the destination.

The induction pipe connector 260 is connected to the motor pump 244 and is connected to the second water intake pipe 210 through a discharge passage 262 for discharging the groundwater pumped by the pump 244 .

The induction pipe connector 260 includes a first connection socket 264 as a guide pipe for communicating with the pumping pipe 240 and a second connection socket 264 which is watertightly and integrally attached to the second water intake pipe 210, The first and second connection sockets 264 and 266 may include a first connection socket 264 and a second connection socket 266 for connecting the first connection socket 264 and the external connection socket 266. The first connection socket 264 and the second connection socket 266 may be formed in a discharge path 262 formed therein So that the motor pump 244 discharges the groundwater pumped out to the outside.

The induction pipe connector 260 is installed on the second intake pipe 210 in a balanced manner by the fixing means 270b and is connected to the induction pipe of the first connection socket 264 through the induction pipe 240, Thereby discharging the groundwater to the outside of the side of the second water intake pipe 210.

However, the conventional anti-fouling apparatus according to Korean Patent No. 10-0555925 has a problem that the flow meter is not installed in itself and the flow rate currently taken can not be immediately confirmed on the field.

In view of such a problem, Korean Patent Registration No. 10-0981985 (a groundwater top sealing device which facilitates the detachment of a flow meter) has a hollow cylindrical casing connection pipe connected to the upper end of a casing for water charging through a groundwater pumping pipe A manhole box having a discharge port for discharging groundwater at one side thereof and a wire outlet for discharging the underwater pump cable, respectively, and a manhole box flanged at an upper portion of the manhole box to seal the upper portion of the manhole box, 1. A groundwater top sealing device having a manhole portion formed of a cover,

A flowmeter having a water meter provided with a check valve on one side thereof and having a plurality of fixing brackets having a plurality of fastening holes at a lower end thereof and having an inlet connection pipe and an outlet connection pipe connected to both ends of the water meter, A water inlet pipe connected to the groundwater pumping pipe is provided at the bottom of the water receiving space part and is protruded and opened in a hollow cylindrical shape, And a water discharge hole communicating with the discharge port of the manhole box is provided at one side of the water discharge port and the water discharge port and the water discharge port of the manhole box are provided at the upper end of each of the water intake space portion and the water discharge space portion, And a plurality of grooves corresponding to the fastening holes of the fixing bracket are formed at the upper ends of the fastening holes, And an inlet / outlet case provided with a support bracket that is watertightly coupled to the base fixing bracket.

In addition, the manhole cover is provided with a flow meter check port so that the meter reading of the inside of the manhole can be confirmed.

The flow meter gauge includes a central through hole vertically penetrating the central portion of the manhole cover and a bamboo orifice lid for sealing the upper portion of the central bore, wherein the central bore hole is formed in a central portion of the heat- So that the meter can be inspected.

In addition, the central pipe passage has a protruding protrusion protruding from the upper portion of the manhole cover, so that the lid of the closure cap is caught by the protruding protrusion and is seated.

Fixing pieces are provided at both ends of the lid of the inspection bed, and the fixing pieces are fastened to the fastening holes formed at the upper end of the manhole cover in correspondence with the fixing pieces, and fastened by bolts.

Accordingly, the manhole cover has a structure in which the manhole cover is opened and closed to inspect the inside of the manhole box.

However, in order to check the scale of the water meter, it is necessary to release the bolt fastening and then remove the cap of the cap, and after checking the scale, cover the cap and then fasten the bolt. And it is very troublesome.

The present invention has been made to solve such conventional problems, and it is an object of the present invention to provide a flow meter for confirming the flow rate of groundwater taken in the water intake pipe, and to provide a flow meter for checking the flow meter without opening the cover, And an object of the present invention is to provide a pollution prevention device.

In order to achieve the above object, according to the present invention,

A water intake pipe is inserted into an underground water hole to discharge groundwater pumped by a pump from inside the water intake pipe, and a flow meter for measuring a flow rate of the ground water discharged is provided inside the water intake pipe, In the prevention of contamination of the ground water ball made up of a cover which is covered and closed to prevent contamination,

The cover

A transparent window provided at a position corresponding to the flow meter;

A rotation shaft inserted into the through hole formed in a side portion of the transparent window so as to penetrate through the cover vertically and installed so as to be vertically movable and horizontally rotatable;

A wiper rotatably supported by the rotary shaft and contacting the lower surface of the transparent window to rotate in the horizontal direction;

A knob connected to an upper side of a rotating shaft exposed above the cover to rotate the rotating shaft;

A spring fitted to a rotating shaft located on the lower side of the cover;

And a stopper fastened to the lower side of the rotary shaft to prevent the release of the spring.

The present invention can instantly confirm the flow rate of the ground water by installing a flow meter on the water intake pipe, and also has a transparent window on the cover of the water intake pipe, so that it is very easy to confirm the flow meter, It is possible to remove the fogging or dew condensation on the inside of the transparent window by the wiper so that it is very easy to confirm the flow meter.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a structure of an apparatus for preventing contamination of an underground water ball according to the present invention; FIG.
2 is a side cross-sectional view of a lid applied to the present invention;
3 is a view showing a structure of a rotating shaft;
4 is a bottom plan view of the lid.
5 is a view for explaining a conventional technique;

The present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing an apparatus for preventing contamination of an underground water ball according to the present invention. The second water intake pipe 300 is buried in the ground and the upper part thereof is exposed on the ground G. At the lower end thereof, The first water intake pipe is the same as or similar to the first water intake pipe 200 in Fig.

Of course, as shown in FIG. 4, a pumping pipe 240 having an underwater pump 244 is installed inside the first water intake pipe.

The second water intake pipe (300) has a hollow cylindrical shape with its upper and lower portions opened. An induction pipe connection hole (310) for discharging water to the outside is formed on a lower side surface. A cover 500 is placed to prevent contamination of groundwater.

In addition, an ∩-shaped induction pipe 400 is inserted into the second intake pipe 300 from the upper portion thereof. The upper end of the induction pipe 400 is positioned as close as possible to the lower portion of the lid 500 .

The lower end of the induction pipe 400 has a water inlet 410 and the other end has a water outlet 420. The water inlet 410 is bent to be located at the center of the second water intake pipe 300, And the drain port 420 is bent to the side so as to be connected to the induction pipe connector 310.

The inlet 410 is connected to the upper portion of the water pipe 240 as shown in FIG. 4, extending toward the ground G side.

A check valve 430 is provided at a position past the inlet 410 of the induction pipe 400. The check valve 430 is arranged such that the water flowing through the inlet pipe 410 rises up through the inflow pipe 401, Thereby preventing backflow.

The water flowing in the inflow pipe 401 turns into the ∩ shape at the upper part of the induction pipe 400 and flows into the discharge pipe 402. At this time, the water on the upper side of the induction pipe 400, The flow meter 440 is installed between the upper portions of the guide pipe 402 to measure the flow rate of water flowing in the guide pipe 400. The flow meter 440 can use an analog flow meter.

The water passing through the flow meter 440 is discharged to the induction pipe connection port 310 through the drain port 420 and discharged to the outside of the second water intake pipe 300.

On the other hand, the induction pipe connecting hole 310 is formed with an inclined surface 312 on the upper side and a protrusion 313 protruding on the lower side from the rear end of the tube discharge port 311.

Therefore, the front end of the discharge port 311 is fitted from the inside of the second bobbin 300 and is exposed to the outside, and the inclined surface 312 and the stopping jaw 313 are positioned inside the second water intake pipe 300, 311 from being released.

The contact support portion 330 is installed at the opposite position of the induction pipe connection port 310 in the second water intake pipe 300 so that the rectangular housing 331 protrudes outside the second water intake pipe 300 And a rotating shaft 332 is supported and installed in the housing 331 in a lateral direction.

The rotating piece 333 is provided with a rotating piece 333 which rotates in the up and down direction via the rotating shaft 332. The surface of the rotating piece 333 is bent slightly inward, ) Of the body is in surface contact so that it can be easily mounted.

A lower end of the guide pipe 400 is seated and supported by a protrusion 334 protruding from the bottom of the pivoting piece 333.

The upper portion of the rotating piece 333 is positioned inside the housing 331 to prevent interference with the guide tube 400 when the induction tube 400 is mounted, and the lower portion of the rotating piece 333 is housed in the housing The spring 335 is mounted between the lower rear surface of the rotating piece 333 and the inner side of the housing 331. In this case,

A process of attaching and detaching the induction pipe 400 to the inside of the second water intake pipe 300 will be described.

When the guide pipe 400 is moved downward from the upper part of the second intake pipe 300 at the time of installation, the portion where the drain pipe 420 is formed is guided by the inclined surface 312 of the guide pipe connection hole 310, That is, toward the contact support portion 330.

At this time, the lower end of the pivoting piece 333 of the close contact supporting part 330 is protruded to the inside of the second water intake pipe 300 by the spring 335, and the upper part of the pivoting piece 333 is located inside the housing 331 The rear end of the induction pipe 400 is brought into surface contact with the center of the pivoting piece 333 without interference and the downward movement of the pivoting piece 333 causes the upper end of the pivoting piece 333 to rotate, As shown in Fig.

That is, when the lower end of the induction pipe 400 is pressed while the lower surface of the pivoting piece 333 is in contact with the surface, the upper part of the pivoting piece 333 is pivoted to connect the upper end of the induction pipe 400 to the induction pipe connection port 320, .

Therefore, the tip of the drain hole 420 of the induction pipe 400 can contact the inside of the discharge port 311 in such a manner that the upper portion of the pivotal piece 333 is pushed from the rear, so that the watertightness can be maintained.

The front end and the rear end of the induction pipe 400 are respectively seated and supported by the engagement protrusions 313 of the induction pipe connection port 310 and the engagement protrusions 334 of the contact support part 330.

When the induction pipe 400 is moved upward, the upper end of the rear end of the induction pipe 400 is pushed backward on the upper side of the pivoting piece 333 so that the lower side of the pivoting piece 333 rotates, The lower end of the pipe 400 is pushed upward.

Therefore, the guide tube 400 can be easily detached from the rotating piece 333 and separated.

On the other hand, a power inlet 450 is provided on the side of the body of the second intake pipe 300 to receive the electric wire from the outside. The electric wire 450 is attached to the hole formed on the side of the second intake pipe 300 from the outside And is fastened by a bolt 452 inside the second water intake pipe 300.

Accordingly, the electric wire is drawn inward from the outside through the inlet hole 481 to supply power to the pump.

When the electric wire 450 is disconnected from the outside of the second water intake pipe 300 when the electric wire is replaced, the bolt 452 is released from the inside of the second water intake pipe 300, .

Reference numeral 460 designates a water gauge for indicating the water pressure inside the induction pipe 400. Reference numeral 460 denotes a water supply valve for supplying water to the outside through the discharge pipe 402.

Fig. 2 shows a side sectional structure of the lid 500. The lid 500 has a structure to cover and seal the upper portion of the second intake pipe 300. Fig.

The cover 500 is provided with a transparent window 510 at a position corresponding to the flow meter 440, that is, at a position where the flow meter 440 can be checked when the lid 500 is covered with the second water intake pipe 300 .

4, the transparent window 510 may have a circular shape, and the transparent window 510 may have various shapes such as a square or an ellipse. .

The wiper 520 is disposed on the lower surface of the transparent window 510 in a state in which the wiper 520 is in contact with the rotary window 510. The wiper 520 is mounted on the rotary shaft 540 installed on the lid 500 at the side of the transparent window 510 And is rotatable in the left-right direction.

A coil spring 560 is inserted into a portion of the rotary shaft 540 located at a lower side of the lid 500 and a thread is formed on the lower side of the rotary shaft 540 to fasten the stopper 550 in the form of a nut, 560).

The rotary shaft 540 is inserted into the through hole 501 formed in the side of the transparent window 510 so as to penetrate the lid 500 in the vertical direction. The rotary shaft 540 passes through the lid 500, And a screw thread is formed on the upper side of the rotation shaft 540 extending upward to fasten the rotation shaft 540 to the lid 500 by fastening the knob 530.

At this time, the spring 560 elastically supports the rotary shaft 540 in the downward direction, and at the same time, the wiper 520 is brought into close contact with the lower side of the transparent window 510.

As shown in FIG. 3, the rotation shaft 540 has a circular cross-section at a lower end of the stopper 550, and a lower engagement portion 544 is formed at an outer side of the rotation shaft 540, The lower body 542, which is a portion where the wiper 520 is fastened and supported, is formed with an angle such as a square or a hexagonal cross section so that when the rotary shaft 520 rotates, the wiper 520 does not idle, The upper body 541, which is inserted into the through hole 501 and moves in the vertical direction, has a circular shape in section.

That is, the upper body 541, which is a thick part of the rotary shaft 540, has a circular section and can maintain airtightness by the O-ring 502. The lower body 542, which is a thin part, So that the rotation shaft 540 and the wiper 520 can rotate together by fastening the fastening holes 521 formed with the angles of the wiper 520 to the fastening portions.

The lower body 542 of which the wiper 520 of the rotary shaft 540 is fastened is supported in a state where the wiper 520 is fastened to the lower body 542 even if the rotary shaft 540 moves in the vertical direction So that the rotating shaft 540 does not rotate idly, and the wiper 520 is rotated in the left-right direction.

In addition, the upper end of the lid 500 is circular in cross section, and the upper coupling part 543 is formed on the outer side thereof, and the knob 530 is screwed into the upper coupling part 543.

Accordingly, when fogging or dew condensation occurs on the lower end of the transparent window 510 due to the temperature difference between the inside of the water intake pipe and the outside air temperature, the inspector operates the wiper 520 using the knob 530. At this time, The rotation shaft 540 moves upward to compress the spring 560. As a result, the wiper 520 can be brought into close contact with the transparent window 510. As a result,

In this case, the wiper 520 does not come off the lower body 542 of the rotary shaft 540.

In this state, by rotating the knob 530 by hand, the wiper 520 wipes the transparent window 510 with a large adhesive force to remove fogging or condensation, thereby accurately confirming the flow meter 440. [

The rotary shaft 540 is moved downward by the elastic force of the spring 560 so that the knob 530 blocks the upper portion of the through hole 501 to allow foreign matter such as rainwater or dust to flow from the outside .

The O-ring 502 is inserted along the inner periphery of the through hole 501. The O-ring 502 maintains airtightness between the through hole 501 and the rotary shaft 540, Thereby preventing the groundwater from being contaminated.

Of course, an O-ring 502 can be installed along the outer circumference of the upper body 541.

A plurality of bars 580 protruding from the lid 500 at predetermined intervals are provided around the transparent window 510. A flange 590 is coupled to the upper end of the bar 580 The handle is formed.

Reference numeral 600 denotes an air vent which discharges air having a pressure inside the intake pipe to the outside.

Alternatively, the structure of the wiper 450 may be removed, a hot wire may be attached to the lower end of the transparent window 510, or a hot wire may be formed by a printing method such as a hot wire formed on a window of an automobile.

Therefore, it is possible to remove heat by driving the heat ray when fogging or condensation occurs.

300: Water intake pipe 310: Induction pipe connection pipe
330: close contact support part 400: guide tube
401: inlet pipe 402: outlet pipe
410: inlet port 420: drain port
430: Check valve 440: Flow meter
500: cover 510: transparent window
520: wiper 530: knob
540: rotating shaft 560: spring

Claims (4)

A water intake pipe is inserted into an underground water hole to discharge groundwater pumped by a pump from inside the water intake pipe, and a flow meter for measuring a flow rate of the ground water discharged is provided inside the water intake pipe, In the prevention of contamination of the ground water ball made up of a cover which is covered and closed to prevent contamination,
The cover
A transparent window provided at a position corresponding to the flow meter;
A rotation shaft inserted into the through hole formed in a side portion of the transparent window so as to penetrate through the cover vertically and installed so as to be vertically movable and horizontally rotatable;
A wiper rotatably supported by the rotary shaft and contacting the lower surface of the transparent window to rotate in the horizontal direction;
A knob connected to an upper side of a rotating shaft exposed above the cover to rotate the rotating shaft;
A spring that is fitted to a rotating shaft located below the cover and elastically supports the wiper on a lower surface of the transparent window;
And a stopper fastened to the lower side of the rotating shaft to prevent the spring from coming off,
The rotating shaft
An upper body having a circular cross section at an upper portion thereof;
A lower body positioned below the upper body and formed with an angle;
A lower fastening portion located on a lower side of the lower body and fastened by the stopper;
And an upper coupling part located on the upper side of the upper body and coupled with the knob,
Wherein an O-ring is provided on the outer circumference of the upper body of the rotary shaft to maintain airtightness between the rotary shaft and the through-hole. delete delete delete

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