KR20100013693A - Cover for pollution preventing apparatus of subterrnaeanwater tube well - Google Patents

Abstract

PURPOSE: A cover for a pollution preventing apparatus of a subterranean water tube well is provided to easily and securely open or close the top opening of the pollution preventing apparatus. CONSTITUTION: A cover for a pollution preventing apparatus of a subterranean water tube well comprises a cover plate(31), a support bracket(32), a locker(35), a cap(36), and a lock device. The cover plate is securely attached to the top of an extension casing. The support bracket secures both ends of a locking lever of the locker in place. The locker fixes the cover plate on the top of the extension casing. The cap is connected to a nut receiving groove to cover a nut received in the nut receiving groove. The lock device is to lock or release the cap.

Description

Cover for pollution prevention device of groundwater well {COVER FOR POLLUTION PREVENTING APPARATUS OF SUBTERRNAEANWATER TUBE WELL}

The present invention relates to a cover for a pollution prevention device of groundwater wells, and more particularly, to groundwater can be easily opened and closed as well as to tightly seal the upper inlet of the pollution prevention device of groundwater wells installed on top of the wells casing. A cover for a pollution prevention device of a well.

Groundwater has better water quality than surface water, and has the advantage of ensuring stable water quantity through short-term facility construction. Due to these advantages, Korea, which is one of the nations with insufficient water, has been formulated with five years of groundwater development under the government's initiative since the 1960s, and research technology has been systematically introduced and various research equipment and development equipment have been actively introduced.

In recent years, as pollution becomes serious due to the inflow of sewage through groundwater wells, various measures for water quality management have been enacted and implemented, and among these groundwater laws, detailed installation standards for pollution prevention facilities and protection walls (under casings) under the ground It is strengthened to install a sealed structure to prevent the entry of pollutants or surface water from the upper part.

Conventionally, various sealing devices for sealing the upper end of the casing of the groundwater wells have been proposed to protect the water quality through the groundwater wells from contamination.However, the structure is complicated and the work is difficult, and when the groundwater wells are cleaned and disassembled, It was difficult to assemble and was not practical.

Korean Patent Registration No. 10-0675949 discloses a contamination prevention device for groundwater wells that can be used for a long time in a clean state without contaminating the groundwater wells by recognizing the above problems.

6 is a view illustrating a pollution prevention device of a conventional groundwater well as described above. Referring to FIG. 6, a pollution prevention device of a conventional groundwater well is connected to a lower end of an upper well of a well of a ground well well. The extension casing (2) sealed by the cover (2 '), the pump pipe (4) installed in the inside of the well casing (1) and the drain pipe (5) connected through the side wall of the extension casing (2) It consists of a pipe connecting means (3) which is mounted on the mounting surface (2 ") formed on the inner surface of the extension casing (2) is installed inside the extension casing (2).

However, the conventional pollution prevention device of the groundwater well has a disadvantage in that opening and closing of the cover 2 'is very inconvenient because it is a structure in which the cover 2' for closing the upper entrance of the extension casing 2 is coupled to several bolts. Has

The present invention was conceived by recognizing the above point is an object of the present invention not only can tightly seal the top inlet of the pollution prevention device of the groundwater wells installed on top of the wells casing well but also can be easily opened and closed To provide a cover for the pollution prevention device of.

In order to achieve the above object, the cover for preventing contamination of groundwater wells according to the present invention includes an extension casing having a lower end connected to an upper end of a well of the ground well well, and a pumping pipe and the extension installed inside the well well. An extension of the groundwater well's pollution prevention device provided with a pipe connection means for connecting a drain pipe connected through the side wall of the casing. A disk-shaped cover plate formed therethrough and having an edge supported at the upper edge of the extension casing, a pair of support brackets formed at the lower portion of the cover plate so as to face each other, and an upper end portion inserted into the bolt hole; A bolt portion exposed to the upper portion of the cover plate, a nut fastened to an upper end of the bolt portion, and Hinge provided integrally with the bolt at the lower end of the trough, and one end of each hinge is connected to each of the opposite sides of the hinge is inserted into the support hole of the support bracket, respectively, and each other end of the extension casing Characterized in that the locker is composed of a locking lever facing the side.

In addition, the ground cover for preventing pollution of the groundwater well according to the present invention, the extension casing is connected to the lower end of the upper well of the well of the ground well well, and the drain pipe connected through the side wall of the pump and the extension casing installed inside the well casing Extension of the pollution prevention device of the groundwater well equipped with a pipe connection means for connecting the groundwater well for the pollution prevention device of the cover for sealing the upper inlet of the casing, the bolt hole is formed in the center through the top and bottom through the edge A disc-shaped cover plate supported at the upper edge of the casing, a bolt portion inserted into the bolt hole to expose the upper portion to the upper portion of the cover plate, a nut fastened to the upper end of the bolt portion, and a bolt at the lower portion of the bolt portion. Hinge provided integrally with the portion, and each end is hinged on each of the opposite sides of the hinge A lower locking lever connected to the other end thereof toward the inner side of the extension casing, a slider coupled to the bolt portion such that the slider slides up and down along the bolt portion between the lower portion of the cover plate and the hinge hole, and the slider is opposed to each other. Each end is hinged to each of the two sides to be positioned between the two ends is hinged with the position between the both ends of the lower locking lever, the other end is provided with a locker consisting of an upper locking lever facing the inner surface of the extension casing It features.

In addition, the ground cover for preventing contamination of the groundwater well according to the present invention, the upper portion of the cover plate is concave in the nut receiving portion is formed in the bolt hole is formed in the nut receiving portion, the nut is fastened to the bolt portion Is accommodated and located in the nut receiving portion, characterized in that the cap is further provided for covering the nut receiving portion.

In addition, the soil prevention device cover of the groundwater well according to the present invention, the pin receiving portion is formed on one side of the nut receiving portion is connected to the nut receiving portion, the pin receiving portion is formed with a pinhole penetrated up and down The cap has a concave locking groove formed at a position where the pin accommodation portion and the nut accommodation portion are connected to each other, and the portion exposed to the lower portion of the cover plate is rotatably inserted into the pin hole so as not to be separated upward. The pin portion caught around the hole and the pin receiving portion protrudes toward the nut receiving portion so that one side portion is inserted into the locking groove of the cap at a position where the pin receiving portion and the nut receiving portion are connected to each other. The lock means is further provided with a lock pin consisting of a head portion connected to the upper end of the pin portion to rotate integrally with the The generated features.

In addition, the ground cover for preventing contamination of the groundwater well according to the present invention, a key hole is formed in the head portion of the lock pin, the locking means is provided with a knob that can be gripped by the user by the upper end portion of the key means is the key hole It is characterized in that the key is further provided with a key is inserted into the key portion is caught in the rotation direction.

Covering the pollution prevention device of the groundwater well according to the present invention by the configuration as described above can not only firmly seal the top inlet of the pollution prevention device of the groundwater wells installed on the top of the well casing can be easily opened and closed Has

Hereinafter, with reference to the embodiment shown in the drawings will be described in more detail the cover for the pollution prevention device of the groundwater well according to the present invention.

1 is an exploded perspective view showing a cover for a pollution prevention device for groundwater wells according to a first embodiment of the present invention, Figure 2 is a view for a pollution prevention device cover for a groundwater well according to a first embodiment of the present invention 3A and 3B are cross-sectional views conceptually illustrating the operation of the pollution prevention device cover of the groundwater well according to the first embodiment of the present invention, and FIGS. 4A and 4B are the first embodiment of the present invention. Is a cross-sectional view conceptually illustrating the operation of the locking means of the cover for the pollution prevention device of the groundwater well according to the present invention.

Cover for the pollution prevention apparatus of the groundwater well according to the first embodiment of the present invention is an extension casing 10 is connected to the lower end of the top of the well casing (not shown in the figure) of the groundwater well (not shown), and Extension casing of the pollution prevention device of the groundwater well is provided with a pipe connecting means 20 for connecting the pump pipe (Pi) installed inside the wells and the drain pipe (Po) connected through the side wall of the extension casing ( 10) to seal the upper inlet.

Referring to the drawings, the cover for preventing pollution of the groundwater well according to the first embodiment of the present invention includes a cover plate 31, the support bracket 32, the locker 35, the cap 36 and the lock means It is composed.

The cover plate 31 is a disk-shaped member, the nut receiving portion 311 is formed concave in the upper center, the bolt hole 33 for inserting the bolt portion 352a of the locker 35 in the inner center thereof. ) Is penetrated up and down. The nut accommodating part 311 is accommodated and positioned with a nut 352b fastened to the bolt part 352a of the locker 35. On the other hand, the pin receiving portion 312 is formed on one side of the nut receiving portion 311 is connected to the nut receiving portion 311, the lock pin of the lock means 40 in the pin receiving portion 312 The pin hole 34 for inserting the pin portion 371a of the 371 is formed to penetrate up and down. The cover plate 31 is firmly attached to the upper end of the extension casing 10 so that its edge is supported by the upper edge of the extension casing 10 to seal the upper part of the extension casing 10 by the locker 35. To be combined.

The support bracket 32 is for supporting a position between both ends of the locking lever 353 of the locker 35. Referring to the drawings, the support bracket 32 is provided with a pair to face each other, each extending in the lower position at the lower portion of the cover plate 31 facing each other support holes 321 facing each other at the lower end thereof ) Is formed. The locking lever 353 of the locker 35 is inserted into the support hole 321 to support the position between both ends when the locking lever 353 rotates.

The locker 35 is for firmly fixing the cover plate 31 to the upper end of the extension casing (10). Referring to the drawings, the locker 35 is composed of a bolt portion 352a, a nut 352b, a hinge 351 and a locking lever 353.

The bolt portion 352a has an upper end inserted into the bolt hole 33 of the cover plate 31 so that the upper end is exposed to the upper portion of the cover plate 31.

The nut 352b is fastened to an upper end of the bolt portion 352b to move the bolt portion 352a and the hinge 351 integrally provided therewith.

The hinge 351 is provided at the lower end of the bolt portion 352a in such a way that the locking lever 353 is hinged to be rotated, and moves up and down integrally with the bolt portion 352a.

The locking lever 353 is configured to engage the inner wall of the extension casing 10 while the other end is rotated to the shanghai-dong of the hinge 351 by tightening and loosening the nut 352b. Referring to the drawings, the locking lever 353 is hingedly connected to one end of each of both sides of the hinge 351 opposite to each other and is inserted into the support holes 321 of the support bracket 32, respectively. The other end faces the inner surface of the extension casing 10. As described above, when the nut 352b is tightened, the bolt portion 352a and the hinge hole 351 integrally provided therewith are lifted upward, and thus one end is hinged to both ends of the hinge hole 351. While the locking lever 353, which is supported by the support hole 321 of the support bracket 32 and is restricted in the up and down direction, is rotated, the other end thereof is engaged with the inner wall of the extension casing 10. As described above, the end of the locking lever 353 is engaged with the inner wall of the extension casing 10, and the cover plate 31 is firmly attached to the extension casing 10 while its edge is in close contact with the upper edge of the extension casing 10. Is fixed.

The cap 36 is coupled to the nut receiving portion 311 so as to cover the nut 352b accommodated in the nut receiving portion 311. The cap 36 is formed with a concave locking groove 361 at a position where the pin accommodation portion 312 and the nut accommodation portion 311 are connected. The cap 36 is locked so that the head portion 371b of the lock pin 371 of the lock means is inserted and not separated from the nut receiving portion 311.

The locking means is for locking and releasing the cap 36 coupled to the nut receiving portion 311. Referring to the drawings, the lock means comprises a lock pin 37, a key key 38 and a stopper 39.

The lock pin 37 is for locking and releasing the cap 36. Referring to the drawings, the lock pin 37 is rotatably inserted into the pinhole 34 so that the exposed portion of the cover plate 31 is exposed around the pinhole 34 so as not to be separated upward. A locking groove 361 of the cap 36 at a position where the pin accommodation portion 312 and the nut accommodation portion 311 are connected to one side of the pin portion 371a and the pin accommodation portion 312. The pin body 371 and the pin portion 371a, which consist of a head portion 371b that protrudes toward the nut receiving portion 311 and is integrally rotated with the pin portion 371a so as to be inserted into and caught by the nut. ) Is composed of a locking pin 372 to be caught around the pinhole 34 so as not to fall out of the pinhole 34. The lock pin 37 is rotated using the pin part 371 inserted into the pin hole 34 as a rotation axis, and the protruding one side portion of the head part 371b is the pin receiving part 312 and the nut receiving part ( When the nut 311 protrudes toward the nut receiving portion 311 from the connected position, the protruding one side portion of the head portion 371b is inserted into the catching groove 361 of the cap 36 and thus caught. 36 is locked without falling out of the nut receiving portion 311. On the contrary, the lock pin 37 is rotated so that the protruding one side of the head portion 371b of the lock pin 37 is moved to the opposite side of the position where the pin receiving portion 312 and the nut receiving portion 311 are connected. When the protruding one side portion of the head 371b is separated from the locking groove 361 of the cap 36, the cap 36 is not caught by the protruding one side portion of the head 371b. It will be withdrawn from the recessed part 311.

On the other hand, a key key 38 is further provided to rotate the pin body 371 in which the pin portion 371a and the head portion 371b are integrated so that the cap 36 is released and locked by the lock pin 37. do. The key 38 is provided with a knob 382 at the upper end of the body 381, which the user can grip by hand, and has a key hole 371c formed at the lower end of the head 371b of the lock pin 37. A pair of key portions 381a are formed to be inserted and caught in the rotation direction of the key hole 371c. Accordingly, the lock pin 37 can be rotated by inserting the key portion 381a of the key key 38 into the key hole 371c.

The stopper 39 is for blocking the pin receiving portion 312 so that the lock pin 37 accommodated in the pin receiving portion 312 is not exposed.

5A and 5B are cross-sectional views conceptually illustrating the operation of the cover for the pollution prevention apparatus of the groundwater well according to the second embodiment of the present invention. The second embodiment is similar to the first embodiment described above. .

Therefore, hereinafter with reference to Figures 5a and 5b will be described in more detail the characteristics of the cover 30 'for preventing pollution of the groundwater well according to the second embodiment of the present invention.

The pollution prevention device cover 30 'of the groundwater well according to the second embodiment includes a cover plate 31' and a locker 32 '.

The cover plate 31 ′ is a disk-shaped plate member having a bolt hole 33 ′ formed at the center thereof and penetrating up and down so that an edge thereof is supported at the upper edge of the extension casing 10 ′.

The locker 32 'is inserted into the bolt hole 33' and fastened to the upper end of the bolt part 322a ', the upper end of which is exposed to the top of the cover plate 31', and the bolt part 322a '. The nut 322b ', the hinge 321' integrally provided with the bolt 322a 'at the lower end of the bolt portion 322a', and both sides of the hinge 321 'facing each other. Each end of the lower locking lever 324 'facing the inner side of the extension casing 10' and between the lower portion of the cover plate 31 'and the hinge hole 32'. At one end of each of the slider 323 'coupled to the bolt portion 322a' to be slid up and down along the bolt portion 322a 'and the opposite sides of the slider 323' are hingedly connected to each other. The position between both ends is hinged with the position between both ends of the lower locking lever 324 'and the other end is formed by the upper locking lever 325' facing the inner side of the extension casing. It is made.

The cover 30 'for the pollution prevention apparatus of the groundwater well according to the second embodiment configured as described above is tightened with the nut 322b' and the hinge 321 'integrally provided with the bolt portion 322a'. The lower locking lever 324 'connected to both ends of the upper locking lever 325' is rotated upward by one end thereof and is connected between both ends of the upper locking lever 325 '. The end is engaged with the inner wall of the extension casing 10 '. In addition, with the rotation of the lower locking lever 324 ', the upper locking lever 325' is also rotated so that the other end thereof is engaged with the inner wall of the extension casing 10 '. As described above, the ends of the lower locking lever 324 'and the upper locking lever 325' are engaged with the inner wall of the extension casing 10 ', and the cover plate 31' has an edge thereof at the edge of the extension casing 10 '. While being in close contact with the upper edge of the casing (10) is firmly fixed.

The cover for the pollution prevention apparatus of the groundwater well as described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments which have been improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

1 is an exploded perspective view showing a cover for a pollution prevention apparatus for groundwater wells according to a first embodiment of the present invention

Figure 2 is an exploded perspective view showing a cover for the pollution prevention device of the groundwater well according to the first embodiment of the present invention

3A and 3B are cross-sectional views conceptually showing the operation of the cover for the pollution prevention device of the groundwater well according to the first embodiment of the present invention

4A and 4B are cross-sectional views conceptually illustrating the operation of the lock means of the cover for the pollution prevention device of the groundwater well according to the first embodiment of the present invention.

5A and 5B are cross-sectional views conceptually illustrating the operation of the cover for the pollution prevention device of the groundwater well according to the second embodiment of the present invention

6 is a cross-sectional view showing a pollution prevention device of a general groundwater well

<Short description of the major reference symbols>

10 extension casing

20 Pipe connection means

30 covers

     31 cover plate

     32 Support Bracket

     35 lockers

          351 hinge

          352a bolt part

          352b nut

          353 Locking Lever

     36 caps

          361 hanging groove

Timely means

     37 lock pin

           371 Finche

                371a pin section

                371b head

     38 key key

     39 plug

Claims (5)

Prevention of contamination of groundwater wells provided with an extension casing having a lower end connected to an upper end of the well of the wells of the groundwater well, and a pipe connecting means for connecting a pump pipe installed inside the well and the drain pipe connected through the side wall of the extension casing A cover for an antifouling device of a groundwater well for sealing an upper inlet of an extension casing of a device, A disk-shaped cover plate having a bolt hole penetrating up and down at a center thereof and having an edge supported at an upper edge of the extension casing; A pair of support brackets having support holes formed to face each other under the cover plate; A bolt portion inserted into the bolt hole and having an upper end exposed to an upper portion of the cover plate, a nut fastened to an upper end of the bolt part, a hinge hole integrally provided with a bolt part at a lower end of the bolt part, and the hinge hole; One end of each of the opposite sides are hinged connected to each other is inserted into the support hole of the support bracket, each other end of the groundwater well characterized in that the locker consisting of a locking lever composed of a locking lever facing the inner surface of the extension casing Cover for pollution prevention device. Contamination of groundwater wells equipped with an extension casing having a lower end connected to an upper end of the well of the wells of the groundwater well, and a pipe connecting means for connecting a pump pipe installed inside the well and the drain pipe connected through the side wall of the extension casing. In the cover for the pollution prevention device of the groundwater well for sealing the upper inlet of the extension casing of the prevention device, A disk-shaped cover plate having a bolt hole penetrating up and down at a center thereof and having an edge supported at an upper edge of the extension casing; A bolt portion inserted into the bolt hole and having an upper end exposed to an upper portion of the cover plate, a nut fastened to an upper end of the bolt part, a hinge hole integrally provided with a bolt part at a lower end of the bolt part, and the hinge hole; Each end is hinged to each of the opposing sides so that each other end is slid up and down along the bolt between the lower locking lever facing the inner side of the extension casing and the lower portion of the cover plate and the hinge. A combined slider and an upper end of each of which is hinged to each of opposite sides of the slider so that a position between both ends is hinged to a position between both ends of the lower locking lever so that the other end is directed toward an inner surface of the extension casing. Cover for pollution prevention device of the groundwater well characterized in that the locker consisting of a locking lever is provided. The method according to claim 1 or 2, A nut receiving portion is formed concavely in the upper center of the cover plate so that the bolt hole is formed in the nut receiving portion, the nut fastened to the bolt portion is received and positioned in the nut receiving portion, Cap for preventing contamination of the groundwater well characterized in that the cap is further provided to cover the nut accommodating portion. The method of claim 4, wherein One side of the nut receiving portion is formed so that the pin receiving portion is connected to the nut receiving portion, The pin receiving portion is formed with a pinhole penetrated up and down, The cap has a recessed recess formed at a position where the pin accommodation portion and the nut accommodation portion are connected. A pin portion rotatably inserted into the pin hole and exposed to a lower portion of the cover plate so as not to be separated upward, and a pin portion that is caught around the pin hole, and one side portion is accommodated in the pin receiving portion and the pin receiving portion and the nut. The lock means is further provided with a lock pin comprising a head connected to the upper end of the pin portion protruding toward the nut receiving portion side to be inserted into the locking groove of the cap at the position where the receiving recess is connected and integrally rotated with the pin portion. Cover for pollution prevention device of groundwater wells, characterized in that configured. The method of claim 4, wherein Key holes are formed in the head portion of the lock pin, The key means is provided with a knob that can be gripped by the user by the upper end of the key means is further provided with a key key having a key portion that is inserted into the key hole in the rotational direction for groundwater well pollution prevention device cover.

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