KR102506653B1 - Groundwater upper protector having secession preventing function of pipe joint - Google Patents

Abstract

The present invention relates to an upper groundwater protection hole, and more particularly, to prevent the installation position of a groundwater connection pipe installed inside the groundwater upper protection hole from being displaced so as to receive groundwater pumped from a groundwater well by a pump and discharge it to the outside. A housing installed on the upper part of the groundwater well in which the pump is installed and including a tubular body with upper and lower parts open, a water outlet pipe provided on one side of the housing and having a through hole through which fluid flows therein, from the pump An inlet pipe portion having an inlet through which the pumped groundwater flows, an outlet through which the groundwater flowing through the inlet is discharged to the outlet pipe, and a discharge pipe portion including a sealing member provided on a surface where the outlet and the outlet pipe come into contact with each other. A groundwater connection pipe comprising a groundwater connection pipe, an adhesion unit that moves the groundwater connection pipe to bring the discharge pipe part and the water outlet pipe into close contact with each other, and the groundwater connection pipe by an external force in a state in which the discharge pipe part and the water outlet pipe are in close contact with each other by the adhesion unit It is characterized in that it comprises a separation prevention unit for preventing the installation position from being separated.

Description

Groundwater upper protector having secession preventing function of pipe joint}

The present invention relates to an upper groundwater protection hole, and more particularly, to prevent the installation position of a groundwater connection pipe installed inside the groundwater upper protection hole from being displaced so as to receive groundwater pumped from a groundwater well by a pump and discharge it to the outside. It is about the groundwater upper protection hole that can be done.

In general, in order to supply water for agriculture, industry, etc., and living water in rural areas, a well is drilled in the ground, a pumping pipe is inserted into the well, and then a submersible pump is used to pump groundwater.

That is, in the conventional pumping device for general underground water development, a well is formed by excavating the ground, and then a casing, a circular pipe, is inserted and installed on the inner wall of the well so as to adhere to the proper position of the well, and a pumping pipe with a submersible pump installed at the bottom is installed. will be inserted into the tube.

In such a pumping device, groundwater flowing between rocks is collected in a pipe well through a hole in the bedrock, and the groundwater collected in the well is forcibly sucked by the operation of a water pump and then supplied to a water pipe along the pumping pipe.

Due to such indiscriminate development of groundwater and negligent management thereafter, various contaminants are mixed with groundwater when domestic sewage or flood damage occurs, deteriorating the quality of groundwater.

In order to solve this problem, the inflow of groundwater from the contaminated ground surface is blocked by installing an upper protective well facility that raises the area around the deep well above the ground level.

(0.49MPa) 이상의 압력에서 5분간 누설이 없어야 한다고 규격으로 정하고 있는 바, 그만큼 지하수 상부보호공에는 수밀 유지가 중요하다.On the other hand, according to Article 25, Paragraph 5 of the Enforcement Decree of the Groundwater Act and the 'Installation Criteria for Groundwater Pollution Prevention Facilities' of the Ministry of Environment, 20kg/cm

(0.49MPa) or higher pressure, it is stipulated that there should be no leakage for 5 minutes, so it is important to maintain watertightness in the upper groundwater protection hole.

In order to solve the above problems, Korean Patent Registration No. 10-2089092 has a tubular body, and is inserted into a casing and a casing installed to extend vertically above a groundwater well in which a submersible pump is installed, and a submersible pump A technology related to an upper groundwater protection hole having a connection pipe assembly including an inlet connected to a submersible pump, an outlet connected to a casing discharge port, and a flow path communicating the inlet and outlet so that groundwater discharged from the inlet is known. there is.

In addition, in order to solve the above problems, Korean Patent Registration No. 10-1840639 has a cylindrical shape with an open top and bottom and an empty inside, and a first water intake pipe equipped with a water pump having a water pump is installed at the bottom A second intake pipe having a discharge pipe formed on one side, a ∩-shaped first induction pipe inserted into the second intake pipe and communicating with the intake pipe and the drain pipe at the top, and a first intake pipe inside the second intake pipe. It is provided at the lower part of the induction pipe, and the upper side is connected to the inlet pipe and the drain pipe, the lower side is connected to the pumping pipe, and one side is connected to the discharge pipe, and a first connection pipe having a vertical partition formed therein, and opposite to the discharge pipe A technology related to a connection device for underground and underground piping including a watertight maintenance means provided in the second water intake pipe on the side and pushing the first connection pipe toward the discharge pipe by the elasticity of a spring to maintain watertightness is known.

However, in the prior art, like the above prior art, there is a problem in that the installation position of the groundwater connection pipe installed inside the upper groundwater protection hole is displaced due to external forces such as water hammer in the process of pumping groundwater through a pump and supplying it to the outside. Therefore, it is necessary to develop a technology that can solve this problem.

In addition, in the prior art, a dome-shaped push member with a flat tip pushes a push plate at the rear end of the connection pipe to maintain watertightness with a uniform pressure between the tip of the connection pipe and the discharge pipe to prevent leakage, but through the push member When inserted, there is a problem in that the seal coupled to the connection pipe is chewed or peeled off due to friction with the discharge pipe.

Republic of Korea Patent No. 10-2089092 (2020.03.09.) Republic of Korea Patent No. 10-1840639 (2018.03.15.)

The present invention has been made to solve the above problems, and the present invention is provided with a function to prevent the separation of the groundwater connection pipe to prevent the installation position of the groundwater connection pipe installed inside the groundwater upper protection hole from being separated. Its purpose is to provide an upper protective hole.

In addition, another object of the present invention is to provide an upper groundwater protection hole that facilitates stable fastening in the process of installing the groundwater connection pipe.

In addition, another object of the present invention is to provide an upper groundwater protection hole that can prevent a sealing member provided in the groundwater connection pipe from being damaged or separated in the process of installing the groundwater connection pipe.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the groundwater upper protection hole equipped with a function to prevent separation of the groundwater connection pipe according to a preferred embodiment of the present invention is installed on the top of the groundwater well where the pump is installed and includes a tubular body with upper and lower parts open. a housing provided on one side of the housing, an outlet pipe having a through hole through which fluid flows therein, an inlet pipe having an inlet through which groundwater pumped from the pump flows, and groundwater flowing through the inlet into the above A groundwater connection pipe including a discharge pipe portion including an outlet discharged to the outlet pipe and a sealing member provided on a surface in contact with the outlet and the outlet pipe, moving the groundwater connection pipe to bring the discharge pipe portion and the outlet pipe into close contact It is characterized in that it includes a close-contact unit and a detachment preventing part preventing the installation position of the groundwater connection pipe from being displaced by an external force in a state in which the discharge pipe part and the water outlet pipe are in close contact with each other by the close-contact unit.

In addition, the separation prevention unit is characterized in that it comprises a departure prevention groove is formed recessed to insert the discharge pipe portion into the inner end of the water outlet pipe.

At this time, the separation prevention groove is characterized in that the inner circumferential portion is made of a shape and size corresponding to the outer circumferential portion of the discharge pipe portion.

On the other hand, the water outlet pipe is formed to protrude toward the inside of the housing at the inner end of the housing, characterized in that it includes a first seating portion on which the discharge pipe portion is seated.

At this time, the first seating portion is characterized in that it comprises a first support groove recessed in a shape corresponding to the lower outer surface of the discharge pipe portion.

On the other hand, the close unit includes a fixing part protruding inward on the surface opposite to the inner surface of the housing where the water outlet pipe is installed, and a cam seating part protruding into the inner space of the housing at the inner end of the housing of the fixing part. A fixed body including a fixed body, a connecting rod inserted into the housing and arranged in a vertical direction, provided on an outer circumferential surface of the connecting rod, and rotated in conjunction with the rotation of the connecting rod to push the groundwater connection pipe toward the water outlet pipe and move. It is characterized in that it comprises a fixed cam.

In addition, the fixing body is protruded from the inner end of the housing of the cam seating part in the housing inner direction, and the other side of the groundwater connection pipe, which is opposite to one side of the groundwater connection pipe provided with the discharge pipe, is seated. 2 It is characterized in that it includes a seating portion.

In addition, the second seating portion may include a second support groove recessed into a shape corresponding to a lower outer surface of the other side of the groundwater connection pipe.

In addition, the separation prevention unit may include a cam fixing groove disposed above the cam seating portion on an end surface of the housing of the fixing body in an inward direction and recessed therein.

In addition, the separation prevention unit is in contact with at least one of the upper and lower surfaces of the fixed cam on the other side of the groundwater connection pipe, which is opposite to one side of the groundwater connection pipe provided with the discharge pipe, to contact the discharge pipe and the water outlet. It is characterized in that it includes a cam support for preventing the movement of the underground water connection pipe in a vertical direction in a state in which the fixing cam is rotated so that the pipe is in close contact with the pipe.

As described above, the groundwater upper protection hole equipped with a separation prevention function of the groundwater connection pipe according to the present invention is configured to include a housing, an outlet pipe, a groundwater connection pipe, a close-up unit, and a separation prevention unit, Even if an external force is applied to the upper groundwater protection hole, such as a water hammer caused by the operation of the pump, it is possible to prevent the groundwater connection pipe from being separated and separated from the water outlet pipe.

In addition, the upper groundwater protection hole equipped with a function to prevent the separation of the groundwater connection pipe according to the present invention is configured to bring the discharge pipe of the groundwater connection pipe into close contact with the outlet pipe by horizontally moving the groundwater connection pipe by the adhesion unit. Accordingly, there is an advantage in that the sealing member provided on the surface of the discharge pipe of the groundwater connection pipe in contact with the discharge pipe does not generate friction and abrasion, thereby preventing damage and improving durability.

In addition, the groundwater upper protection hole having a function to prevent the separation of the groundwater connection pipe according to the present invention is configured to include an installation guide, so that the vertical installation position of the groundwater connection pipe in the groundwater upper protection hole is fixed by the close contact unit. Since the groundwater connection pipe is configured to be installed by moving the groundwater connection pipe horizontally, there is an effect that the groundwater connection pipe can be stably fastened to an accurate position.

1 is a perspective view of an upper groundwater protection hole according to a preferred embodiment of the present invention.
2 is an internal cross-sectional view of the groundwater upper protection hole according to a preferred embodiment of the present invention.
Figure 3 is an exploded perspective view of part A shown in Figure 1 according to a preferred embodiment of the present invention.
Figure 4 is a cross-sectional view of part A shown in Figure 1 according to a preferred embodiment of the present invention.
5 is a partially enlarged view showing a separation prevention part of the groundwater upper protection hole according to a preferred embodiment of the present invention.
Figure 6 is a cross-sectional view of part B shown in Figure 2 according to a preferred embodiment of the present invention.
Figure 7 is an exploded perspective view of part B shown in Figure 2 according to a preferred embodiment of the present invention.
8(a) to 8(c) are plan views illustrating a process in which the groundwater connection pipe according to a preferred embodiment of the present invention is fixed through rotation of a fixing cam.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims.

With reference to the accompanying drawings below, specific details for the practice of the present invention will be described in detail. Like reference numbers refer to like elements, regardless of drawing, and "and/or" includes each and every combination of one or more of the recited items.

Although first, second, etc. are used to describe various components, these components are not limited by these terms, of course. These terms are only used to distinguish one component from another. Accordingly, it goes without saying that the first element mentioned below may also be the second element within the technical spirit of the present invention.

Terms used in this specification are for describing the embodiments and are not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements other than the recited elements.

Unless otherwise defined, all terms (including technical and scientific terms) used in this specification may be used in a meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in commonly used dictionaries are not interpreted ideally or excessively unless explicitly specifically defined.

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

1 is a perspective view of an upper groundwater protection hole according to a preferred embodiment of the present invention, FIG. 2 is an internal cross-sectional view of the groundwater upper protection hole according to a preferred embodiment of the present invention, and FIG. 3 is a perspective view according to a preferred embodiment of the present invention Figure 1 is an exploded perspective view of part A, Figure 4 is a cross-sectional view of part A shown in Figure 1 according to a preferred embodiment of the present invention, Figure 5 is a groundwater upper protection hole according to a preferred embodiment of the present invention It is a partially enlarged view showing the departure prevention unit.

1 to 5 , the groundwater upper protection hole includes a housing 100, a water outlet pipe 200, a groundwater connection pipe 300, and a separation prevention unit 400.

First, the housing 100 is installed on the top of the groundwater well and includes a tubular body with upper and lower portions open, and a cover is provided at the upper end of the tubular body to prevent contamination of the groundwater by external foreign substances entering the groundwater well. do.

Next, the water outlet pipe 200 is provided in the housing 100 to supply groundwater pumped from the groundwater well to the outside, such as a water pipe. More specifically, the water outlet pipe 200 covers the outer surface of the housing 100. It is installed through, and a through hole is formed so that fluid can flow therein.

Next, the groundwater connection pipe 300 is provided inside the groundwater upper protection hole to receive groundwater pumped from the pump and supply it to the outlet pipe 200, and more specifically, groundwater pumped from the pump flows in It includes an inlet pipe part 310 including an inlet 311 and a discharge pipe part 320 including an outlet 321 for discharging groundwater introduced through the inlet 311 to the outlet pipe 200.

At this time, the discharge pipe part 320 is further provided with a sealing member 322 at the circumference of the discharge port 321 in contact with the water outlet pipe 200, and the sealing member 322 has a ring shape made of an elastic material such as rubber. Including the member, the outlet 321 and the outlet pipe 200 communicate with each other to prevent groundwater from leaking while groundwater is transported.

In addition, as shown in FIGS. 1, 2, and 5, the groundwater connection pipe 300 is provided with an inlet pipe portion 310 at the bottom, an outlet pipe portion 320 at one side, and an outlet pipe portion ( 320) and the opposite side, the fixture 330 made of a separate body may be coupled.

Next, the separation prevention unit 400 is to prevent the installation position of the groundwater connection pipe 300 installed inside the groundwater upper protection hole from being separated, in particular, the discharge pipe portion 320 of the groundwater connection pipe 300 It is to prevent the installation position of the groundwater connection pipe 300 from being changed in a state in which the water outlet pipe 200 is in close contact with, and includes a separation prevention groove 410.

As shown in FIGS. 2 and 5 , in the water outlet pipe 200 installed through the housing 100, the anti-separation groove 410 is installed at the end of the water outlet pipe 200 toward the inside of the housing 100. The connection pipe 300 is recessed so that the discharge pipe portion 320 is inserted.

More specifically, the separation prevention groove 410 is configured such that the inner circumference of the groove has a shape and size corresponding to the outer circumference of the discharge pipe portion 320 of the groundwater connection pipe 300, so that the separation prevention groove 410 The groundwater connection pipe 300 is inserted into the discharge pipe part 320, so even if an external force is applied to the upper groundwater protection hole such as water hammer, the groundwater connection pipe 300 is separated from the water outlet pipe 200 while being coupled to the water outlet 200 and escapes can prevent it from happening.

On the other hand, the upper groundwater protection hole equipped with a function to prevent the separation of the groundwater connection pipe 300 according to an embodiment of the present invention enables stable fastening in the process of installing the groundwater connection pipe 300 inside the upper groundwater protection hole. An installation guide unit 500 and an adhesion unit 600 may be further included.

Figure 6 is a cross-sectional view of part B shown in Figure 2 according to a preferred embodiment of the present invention, Figure 7 is an exploded perspective view of part B shown in Figure 2 according to a preferred embodiment of the present invention, Figures 6 and 7 Referring to, when the installation guide portion 500 and the adhesion unit 600 are described in more detail as follows.

First, the installation guide part 500 is for guiding the vertical installation position of the groundwater connection pipe 300, and the first seating part 510 on which one side of the groundwater connection pipe 300 equipped with the discharge pipe part 320 is seated. ), and a second seating part 520 on which the other side of the groundwater connection pipe 300, which is opposite to one side of the groundwater connection pipe 300 provided with the discharge pipe 320, is seated.

At this time, the first seating portion 510 is a first support groove formed in a depression in a shape corresponding to the lower outer surface of the discharge pipe portion 320 so that the discharge pipe portion 320, which is one side of the groundwater connection pipe 300, is easily seated. 511), the lower outer surface of the discharge pipe part 320 is seated in the first support groove 511 so that the vertical installation position of the groundwater connection pipe 300 is fixed and the groundwater connection pipe 300 is stably supported. make it possible

In addition, the second seating portion 520 includes a second support groove 521 recessed into a shape corresponding to the lower outer surface of the other side of the groundwater connection pipe 300 so that the other side of the groundwater connection pipe 300 is seated. Including, the lower outer surface of the other side of the groundwater connection pipe 300 is seated on the second support form so that the vertical installation position of the groundwater connection pipe 300 is fixed and the groundwater connection pipe can be stably supported.

As a result, the installation guide part 500 is stably supported on one side and the other side of the groundwater connection pipe 300 by the first seating part 510 and the second seating part 520, and at the same time, the groundwater connection pipe The vertical installation position of 300 can also be fixed.

On the other hand, as shown in FIGS. 2 and 4 , the first seating part 510 may be configured to protrude toward the inside of the housing 100 at the end of the water outlet pipe 200 toward the inside of the housing 100. .

In addition, as shown in FIGS. 1, 2, 6 and 7, the second seating portion 520 is the cam seating portion 612 in the fixing body 610 of the adhesion unit 600 to be described later. It may be configured to protrude toward the inside of the housing 100 at the end of the housing 100 toward the inside.

For example, as shown in FIG. 7 , when the outer surfaces of one side and the other side of the groundwater connection pipe 300 are formed in a cylindrical shape, the first support groove 511 of the first seating part 510 and the second The second support groove 521 of the seating part 520 may be configured as a groove formed in a semicircular shape with a diameter corresponding to the diameter of one side and the other side of the groundwater connection pipe 300, respectively. .

Next, the adhesion unit 600 moves the discharge pipe part 320 of the groundwater connection pipe 300 toward the water outlet pipe 200 so that the outlet 321 of the discharge pipe part 320 and the through hole of the water outlet pipe 200 are formed. It is for bringing the discharge pipe part 320 and the water outlet pipe 200 in close contact with each other in a communicated state. 300 is horizontally moved toward the water outlet pipe 200 so that the discharge pipe portion 320 can be inserted into the anti-separation groove 410 formed at the inner end of the housing 100 of the water outlet pipe 200.

More specifically, the close contact unit 600 includes a fixed body 610, a connecting rod 620, a fixed cam 630, and a rotation fixing part 640.

The fixed body 610 is for the fixing cam 630 of the close unit 600 to be seated, and is particularly disposed on the same horizontal line as the location where the water outlet pipe 200 is installed in the housing 100, so that the water outlet pipe 200 ) or may be installed through the inner surface of the housing 100 opposite to the housing 100 or formed integrally with the housing 100 on the inner surface.

At this time, as an example, the fixed body 610 is disposed on the same horizontal line as the position where the water outlet pipe 200 is installed in the housing 100, and the housing facing the inner surface of the housing 100 in which the water outlet pipe 200 is installed ( 100) A fixing part 611 installed through the inner surface, and a cam seating part protruding into the inner space of the housing 100 at the inner end of the housing 100 of the fixing part 611 and in which the fixing cam 630 is seated. (612).

The connecting rod 620 is rotated by a rotational driving means (not shown) such as a motor or manpower to rotate the fixed cam 630, and the connecting rod 620 is inserted into the housing 100 and rotates in the vertical direction. It is installed, is provided with a fixed cam 630 formed on the outer surface, and the lower end is rotatably inserted into the connecting rod hole 613 formed through or recessed in the fixed body 610 in the vertical direction.

The fixed cam 630 is for horizontally moving the groundwater connection pipe 300 to bring the discharge pipe part 320 of the groundwater connection pipe 300 into close contact with the water outlet pipe 200, and is integrally formed on the outer surface of the connecting rod 620. Or, it is coupled to the outer surface of the connecting rod 620, is rotatably installed in conjunction with the rotation of the connecting rod 620, and rotates in conjunction with the rotation of the connecting rod 620, thereby connecting the groundwater connection pipe 300 to the water outlet pipe 200. ) side, so that the discharge pipe part 320 of the groundwater connection pipe 300 is horizontally moved so that it comes into close contact with the water outlet pipe 200. On the other hand, as shown in FIG. 7, the fixed cam 630 includes a square pillar body, and some of the side edges of the square pillar body are rounded, and in particular, in the process of rotating the fixed cam 630, groundwater connection It is preferable that the side edge in contact with the pipe 300 is formed round, and because of this, the fixed cam 630 rotates and pushes the groundwater connection pipe 300 through the round edge in the process of pushing the fixed cam 630 While pushing the groundwater connection pipe 300, the rotation process can be performed smoothly, and at the same time, damage to the contact portion between the fixed cam 630 and the groundwater connection pipe 300 can be reduced.

The rotating fixing part 640 horizontally moves the underground water connection pipe 300 by the rotation of the connecting rod 620 and the fixing cam 630 so that the discharge pipe part 320 and the water outlet pipe 200 come into close contact with the connecting rod 620. ) is for fixing the rotated state, and the rotation fixing part 640 is configured to automatically fix the rotation state by a rotation driving means such as a motor coupled to the upper part of the connecting rod 620, or is operated by an operator. It may be configured to fix the rotational state of the connecting rod 620 by a manual fixing means for fixing the rotational state of the connecting rod 620, for example, the manual fixing means fixes the upper outer circumferential surface of the connecting rod 620 such as a bolt. It may be configured to fix the rotated state of the connecting rod 620 by pressing the outer surface of the connecting rod 620 by the pressing means.

8(a) to 8(c) are plan views illustrating a process in which the groundwater connection pipe 300 according to a preferred embodiment of the present invention is fixed by rotating the fixing cam 630.

8(a) to 8(a) to 8(a) to 8(a) to 8(a) to 8(a) to Referring to 8(c), a more detailed description is as follows.

In the order shown in FIGS. 8(a) to 8(c), the groundwater connection pipe 300 is connected to the water outlet pipe 200 according to the rotation of the fixed cam 630 while being seated on the installation guide part 500. It shows a process of being closely attached and installed inside the housing 100.

More specifically, first, the groundwater connection pipe 300 is inserted into the housing 100, and the discharge pipe part 320, which is one side of the groundwater connection pipe 300, is connected to the first seating part 510, and the groundwater connection pipe The other side of the 300 is seated on the second seating portion 520 and stably supported, and at the same time fixes the vertical installation position.

Next, the lower end of the connecting rod 620 having the fixed cam 630 provided on the outer surface is inserted into the connecting rod hole 613 formed in the cam seating portion 612 protruding into the housing 100. And, the lower part of the fixed cam 630 is seated on the upper part of the cam seating part 612 of the fixed body 610. At this time, to guide the installation position of the fixed cam 630, the fixed body 610 of the close contact unit 600 is disposed above the cam seating portion 612 and protrudes toward the inside of the housing 100, A fixed cam guide 614 is further formed through which a groove corresponding to the position and shape of the fixed cam 630, which is predetermined to correspond to the state before rotating the groundwater connection pipe 300, is formed in the vertical direction to penetrate the fixed cam. The installation position and shape arrangement of the fixed cam 630 can be guided by the guide 614 to facilitate installation.

Next, the connecting rod 620 is rotated by manpower by a rotation drive means or a worker to cause the fixed cam 630 to rotate interlockingly, so that a pushing force is applied to the groundwater connecting pipe 300 by the fixed cam 630, As a result, the discharge pipe portion 320 of the groundwater connection pipe 300 is horizontally moved toward the water outlet pipe 200, and the discharge pipe portion 320 is inserted into and coupled to the separation prevention groove 410 formed in the water outlet pipe 200.

Next, by fixing the rotated state of the connecting rod 620 and the fixing cam 630 through the rotating fixing part 640 of the close unit 600, the combined state is fixed, and the groundwater connection pipe 300 is installed. As a result, the groundwater connection pipe 300 is inserted and coupled to the separation prevention groove 410, and the discharge pipe portion 320 and the water outlet pipe 200 can maintain close contact.

As described above, as the groundwater connection pipe 300 is coupled, the groundwater connection pipe 300 is closely coupled to the water outlet pipe 200 by horizontal movement while the vertical installation position is fixed. In this way, the groundwater connection pipe 300 can be installed in an accurate position by the first seating part 510 and the second seating part 520, and at the same time, the groundwater connection pipe 300 is more stably supported and fastened. In addition, the state in which the underground water connection pipe 300 is installed can be stably maintained without being separated by the separation prevention groove 410.

In addition, the discharge pipe portion 320 and the water discharge pipe 200 are closely coupled by horizontally moving the underground water connection pipe 300, so that the sealing member 322 of the discharge pipe portion 320 is generated at the coupling part during the coupling process. The problem of being chewed or peeled off due to friction can also be solved.

On the other hand, in the case where the groundwater upper protection hole equipped with a separation prevention function of the groundwater connection pipe 300 according to an embodiment of the present invention includes the adhesion unit 600 as described above, the separation prevention unit 400 prevents separation In addition to the groove 410, a cam fixing groove 420 may be further included.

The cam fixing groove 420 is recessed into the fixing body 610 of the close contact unit 600, in particular, the cam fixing groove 420 is the housing 100 of the fixing part 611 of the fixing body 610. A part of the fixed cam 630 can be inserted as the fixed cam 630 is rotated while being seated on the cam seat 612 because the inner end surface is disposed above the cam seat 612 and is formed in a depression. is configured to

In particular, as shown in FIG. 5, the cam fixing groove 420 has a lower surface disposed on the same horizontal line as the cam seating portion 612 and an upper surface disposed on the same horizontal line as the upper surface of the fixed cam 630. In other words, the distance between the upper and lower surfaces of the cam fixing groove is preferably made the same size as the vertical length of the fixing cam 630, so that the discharge pipe part 320 and the water outlet pipe 200 of the groundwater connection pipe 300 When one side of the fixed cam 630 is inserted into the cam fixing groove 420 in a state in which ) is rotated so as to be pushed, one side of the fixed cam 630 is inserted into the cam fixing groove 420 and inserted into the fixed cam 630. ) prevents movement in the vertical direction, thereby preventing separation.

On the other hand, in the above configuration, on the other side of the groundwater connection pipe 300, the fixed cam 630 is rotated so that the discharge pipe 320 and the water outlet 200 of the groundwater connection pipe 300 are in close contact. A cam support 430 may be further included to support the other side of the fixed cam 630 to prevent movement in the vertical direction,

As shown in FIG. 5, the cam support 430 protrudes toward the direction in which the fixed cam 630 is disposed on the other side of the groundwater connection pipe 300, and the protruding upper surface is attached to the cam seating portion 612. It is disposed on the same horizontal line as the lower surface of the seated fixed cam 630, and in a state where the fixed cam 630 rotates the underground water connection pipe 300 toward the water outlet pipe 200, the fixed cam 630 protrudes from the upper surface. The lower surface is in contact and configured to prevent the groundwater connection pipe 300 from vibrating upward and moving,

Alternatively, it protrudes from the other side of the groundwater connection pipe 300 toward the direction in which the fixed cam 630 is disposed, and the protruding lower surface is a horizontal line coexisting with the upper surface of the fixed cam 630 seated on the cam seating portion 612. Or, in a state where the fixed cam 630 rotates the groundwater connection pipe 300 toward the outlet pipe 200, the upper surface of the fixed cam 630 is in contact with the protruding lower surface, so that the groundwater connection pipe 300 It is configured to prevent movement by vibrating downward,

Alternatively, a second cam fixing groove 420 recessed so that the fixing cam 630 can be inserted is formed on the other side of the groundwater connection pipe 300, and the lower surface of the second cam fixing groove 420 is a cam seating portion. 612 and the upper surface are disposed on the same horizontal line as the upper surface of the fixed cam 630, in other words, the distance between the upper and lower surfaces of the second cam fixing groove 420 is the fixed cam ( 630) is preferably made of the same size as the length in the vertical direction, so that the other side of the fixed cam 630 is rotated so that the discharge pipe portion 320 and the water outlet pipe 200 of the groundwater connection pipe 300 are in close contact. When is inserted into the second cam fixing groove 420, the other side of the fixed cam 630 is inserted into the second cam fixing groove 420 to prevent the fixed cam 630 from moving in the vertical direction, Separation can be prevented, and in addition, the other side of the fixed cam 630 is inserted into the other side of the groundwater connection pipe 300 to prevent the groundwater connection pipe 300 from moving in the vertical direction, Separation of the groundwater connection pipe 300 can be more effectively prevented.

Although the embodiments of the present invention have been described with reference to the above and accompanying drawings, those skilled in the art to which the present invention pertains can implement the present invention in other specific forms without changing the technical spirit or essential features. You will understand that there is Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

100: housing
200: outlet pipe
300: groundwater connection pipe
310: inlet pipe
311: inlet
320: discharge pipe
321: outlet
322: sealing member
330: fixture
400: departure prevention unit
410: departure prevention home
420: cam fixing groove
430: cam support
500: installation guide unit
510: first seating part
511: first support groove
520: second seating part
521: second support groove
600: adhesion unit
610: fixed body
611: fixing part
612: cam seating part
613: connecting rod hole
614: fixed cam guide
620: connecting rod
630: fixed cam
640: rotation fixing part

Claims (10)

a housing installed above the groundwater well where the pump is installed and including a tubular body with upper and lower portions open;
a water outlet pipe provided on one side of the housing and having a through hole through which fluid flows;
An inlet pipe portion having an inlet through which groundwater pumped from the pump is introduced, an outlet through which groundwater flowing through the inlet is discharged to the outlet pipe, and a sealing member provided on a surface where the outlet and the outlet pipe contact each other Groundwater connection pipe including a discharge pipe to;
an adhesion unit that moves the groundwater connection pipe and brings the discharge pipe unit into close contact with the water outlet pipe; and
A separation prevention unit for preventing the installation position of the groundwater connection pipe from being separated by an external force in a state in which the discharge pipe unit and the water outlet pipe are in close contact with each other by the adhesion unit;
The adhesion unit
A fixing body including a fixing part protruding inward from an inner surface of the housing opposite to the inner surface of the housing where the water outlet pipe is installed, and a cam seating part protruding into the inner space of the housing at an end portion of the fixing part toward the inside of the housing;
A connecting rod inserted into the housing and installed in a vertical direction;
A fixed cam provided on an outer circumferential surface of the connecting rod and rotated in conjunction with the rotation of the connecting rod to push and move the groundwater connection pipe toward the water outlet pipe;
The departure prevention unit,
The fixed body is disposed above the cam seating portion on the inner end surface of the housing and is recessed, and one side of the fixed cam is inserted to prevent the fixed cam from moving in a vertical direction, thereby connecting the fixed cam and the underground water. Cam fixing groove and
The other side of the groundwater connection pipe, which is opposite to one side of the groundwater connection pipe provided with the discharge pipe, is in contact with at least one of the upper and lower surfaces of the fixed cam so that the discharge pipe and the water outlet are brought into close contact with the fixed cam. In the rotated state, the groundwater upper protection hole having a function to prevent the separation of the groundwater connection pipe, characterized in that it includes a cam support for preventing movement of the groundwater connection pipe in a vertical direction.
According to claim 1,
The departure prevention unit,
An upper groundwater protection hole equipped with a departure prevention function of the groundwater connection pipe, characterized in that it comprises a departure prevention groove formed in a recessed manner so that the discharge pipe portion is inserted at the inner end of the outflow pipe.
According to claim 2,
The departure prevention groove
An upper groundwater protection hole equipped with a function to prevent departure of the groundwater connection pipe, characterized in that the inner circumferential portion is made of a shape and size corresponding to the outer circumferential portion of the discharge pipe portion.
According to claim 1,
The outlet pipe
The groundwater upper protection hole having a function to prevent separation of the groundwater connection pipe, characterized in that it includes a first seating portion protruding inward from the housing inwardly and protruding toward the inside of the housing, on which the discharge pipe portion is seated.
According to claim 4,
The first seating part
An upper groundwater protection hole equipped with a function to prevent departure of the groundwater connection pipe, characterized in that it includes a first support groove formed in a depression in a shape corresponding to the lower outer surface of the discharge pipe unit.
delete According to claim 1,
The fixed body,
A second seating portion protruding toward the inside of the housing at an inner end of the housing of the cam seating portion and seating the other side portion of the groundwater connection pipe opposite to one side portion of the groundwater connection pipe provided with the discharge pipe portion. Groundwater upper protection hole equipped with a function to prevent the departure of the groundwater connection pipe.
According to claim 7,
The second seating part
An upper groundwater protection hole equipped with a function to prevent departure of the groundwater connection pipe, characterized in that it includes a second support groove formed in a recessed shape corresponding to the lower outer surface of the other side of the groundwater connection pipe.
delete delete

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