KR101312587B1 - Ball valve structure of knife stopping water split pipe that ball valve is formed to all - Google Patents

Abstract

PURPOSE: A ball valve structure of a knife stopping water split pipe equipped with a ball valve is provided to minimize the inner space of a valve installation part because an opening and closing part is completely opened and closed when first and second ball valves rotate at an angle of 45 degrees. CONSTITUTION: A ball valve structure of a knife stopping water split pipe equipped with a ball valve comprises a first ball valve (20), a second ball valve (30), and an actuating shaft (40). A split pipe surrounds the outer diameter of a main pipe and has an opening and closing part. The first ball valve is installed inside of the split pipe to be rotated and opens and closes the half portion of the opening and closing part. The second ball valve is installed inside of the split pipe to be rotated and opens and closes the other half portion of the opening and closing part. One end of the actuating shaft has an actuating shaft gear (41) geared with first and second gears (26, 36) of the first and second ball valves.

Description

Ball valve structure of knife stopping water split pipe that ball valve is formed to all}

The present invention relates to a ball valve structure of the part-numbered sperm tube formed integrally with the ball valve, and more particularly, the overall size of the ball valve structure is reduced, and the opening of the sperm tube is opened and closed even if the operating shaft is slightly rotated. In addition to the simple and quick installation of the sperm pipe and the ball valve, the first ball valve and the second ball valve are completely closed. This invention relates to a ball valve structure of a part-number limiter tube in which a ball valve which is not generated is integrally formed.

In general, water supply valves are installed at intervals of 1km to 3km, and when replacing and branching some sections of the water supply pipes, water flow must be made to close and separate the water flow valves before and after.

However, even though the replacement section of the water supply pipe is part of the section, the water flows into the various water pipes branching from the section between the front and back dividing valves to the place of use such as each home by closing all the previous and subsequent dividing valves. Inevitably, the singular water cannot be made, and eventually, a large singular area can result in inconvenience and injuries of residents' lives.

In addition, there is a problem that the increase in the number of water shortages and the inconvenience of residents' lives due to problems such as the increase in the number of sections or the long time for the replacement of the water pipe due to the poor order and malfunction of the water valve.

In order to solve this problem, a method of replacing and branching a pipe such as a water supply pipe using a valve construction method and a branching method has been applied.

The sub water valve construction and branching method are as follows.

First, the circumference of the main pipe, which is a water pipe, is cleaned and surface treated. Then, the sub-limiting sperm tube is assembled around the surface-treated main tube.

The part-numbered sperm tube has a shape in which half of the cylinder is cut to cover the outer diameter of the main tube. An opening is formed in the sperm tube on one side of the pair of sperm pipes, and the ball valve assembly and the gate valve assembly that can open and close the opening are formed separately in the sperm tube formed with the opening.

The perforator is installed in a watertight manner in the ball valve assembly and the gate valve assembly. If the perforator is installed, open the ball valve and the gate valve, and then perform the perforation of the main pipe.

When the drilling hole is formed in the main pipe through the drilling operation, operate the ball valve and the gate valve in the closed state to prevent water leakage through the drilling hole, and then remove the perforator from the ball valve assembly and the gate valve assembly, and remove the perforator. Assemble the branch pipe in place of the ball valve assembly and gate valve assembly.

In the related art branching ball valve structure, a spherical ball or a hemispherical ball is used to open and close the opening.

However, this conventional ball valve structure has various problems.

First, the ball must be rotated 90 ° to fully open or close the spherical or hemispherical ball. Therefore, the opening and closing work of the opening was inconvenient as the rotation angle of the ball was large, and the problem of delaying the opening and closing work occurred.

Second, the conventional ball valve structure is provided with a spherical ball or hemispherical ball of a relatively large size, and the size and weight of the ball valve is increased by that since the spherical ball or hemispherical ball must be secured by a rotation space to rotate 90 ° As a result, a relatively large installation space was required, resulting in an increase in the amount of earthwork and earthwork as much as the increased installation space.

Third, the conventional ball valve structure is a structure in which a separate ball valve structure is coupled to the sperm tube. Therefore, the size of the entire assembly consisting of the sperm tube and the ball valve is increased by that much, and the size of the perforator installed therein is also large, thereby increasing the installation space and the amount of earthwork.

Republic of Korea Patent Registration No. 10-784591

An object of the present invention for solving the above-described problems, the ball valve structure of the bottom part jeongjak tube formed integrally with the ball valve to reduce the overall size of the ball valve structure, the opening of the jeongjak pipe opening and closing even if the operating shaft is slightly rotated To provide.

It is another object of the present invention to provide a ball valve structure of a part-number limiter tube in which a ball valve is integrally formed so that a sperm tube and a ball valve can be easily and quickly installed in a main pipe.

Still another object of the present invention is to provide a ball valve structure of a part-number limiter tube in which a ball valve is integrally formed such that leakage of water between the first ball valve and the second ball valve is reliably prevented.

Another object of the present invention, when the first ball valve and the second ball valve is completely closed, even if the water pressure acts between them, the ball valve is integrated so that no gap is generated between the first ball valve and the second ball valve To provide a ball valve structure of the sub-limiting sperm pipe formed by.

To achieve the above object, the ball valve structure of the sub-limiting qualifier tube integrally formed with the ball valve of the present invention comprises: a sperm tube surrounding the outer diameter of the main pipe, which is a water supply pipe, and having an opening; A first ball valve installed to rotate inside the sperm tube and opening and closing a space of half of the opening; A second ball valve installed to rotate inside the designator tube and opening and closing a space of the other half of the opening; One end is coupled to the first ball valve and the second ball valve, and the other end is exposed to the outside of the sperm tube, and when the other end is rotated in one direction, the first ball valve and the second ball valve are rotated at the same time in the opposite direction to open When the other end is rotated in the opposite direction, the first ball valve and the second ball valve is characterized in that it comprises a working shaft to be closed while rotating in the opposite direction at the same time.

Another feature of the ball valve structure of the part-numbered sperm tube formed integrally with the ball valve of the present invention is that the sperm tube is integrally extended to the main tube cover portion and the main tube cover portion in close contact with the outer circumferential surface of the main tube to be perforated. And an opening portion in which the inner through space is opposed to the perforated portion of the main pipe, integrally formed at the end portion of the opening portion, at which the first ball valve and the first ball valve are incorporated, and at the end portion of the valve installation portion. It is formed integrally with this and consists of a coupling flange portion to which a perforator or branched pipe is coupled.

Another feature of the ball valve structure of the part-number limiting tube formed integrally with the ball valve of the present invention is that the first ball valve and the second ball valve are built in the valve mounting portion and open and close half of the space inside the opening. A first top plate and a second top plate extending from one end of the first opening and closing portion, and a first top plate and a second top plate rotatably coupled to an inner upper side of the valve mounting portion, and the first top plate and the second opening portion. A first upper hinge hole and a second upper hinge hole formed in the upper plate and coupled with the first hinge shaft to form a pivot center of the first upper plate and the second upper plate, the first upper hinge hole in the first upper plate and the second upper plate, An inner circumferential surface of the first and second rotational restriction grooves and the first rotational restriction groove which are formed in an arc shape around the second upper hinge hole and limit the rotation angles of the first ball valve and the second ball valve. And the operation shaft is formed on the other side of the inner peripheral surface of the second turning restriction groove When engaged with the operation shaft gear and rotates the operation shaft, the first and second gears for opening and closing the opening and the other openings and openings of the first and second opening and closing parts are made to rotate simultaneously in the opposite direction. The first lower plate and the second lower plate, which extend and are rotatably coupled to the inner lower side of the valve mounting portion, are formed on the first lower plate and the second lower plate, and the second hinge shafts are coupled to each other to rotate the first lower plate and the second lower plate. It consists of a 1st lower hinge hole and a 2nd lower hinge hole which make a center.

Another feature of the ball valve structure of the part-number limiter tube integrally formed with the ball valve of the present invention is that the first opening and closing portion of the first ball valve and the second opening and closing portion corresponding to the second opening and closing portion of the second ball valve are formed in an arc shape. A first packing groove and a second packing groove are formed, and the first packing and the second packing groove are coupled to the first packing groove and the second packing groove.

Another feature of the ball valve structure of the part-numbered sperm pipe formed integrally with the ball valve of the present invention is that the ratchet handle is coupled to the end of the operation shaft and the valve installation portion to control the rotation of the operation shaft, and the dial is configured to control the rotation direction. The ratchet portion of the installed ratchet handle is coupled to the end of the operating shaft, the handle portion of the ratchet handle is fixed to the valve mounting portion, and is provided to control the rotational direction of the operating shaft by changing the dial.

Another feature of the ball valve structure of the part-number sperm pipe formed integrally with the ball valve of the present invention is that the anti-spacing packing is tightly held between the main pipe cover portion of the sperm pipe and the outer circumferential surface of the main pipe to maintain watertightness. Is provided, but this jungle preventing packing is in close contact with the curved surface while bending in accordance with the inner circumferential curvature of the main tube cover portion and the outer circumferential surface curvature of the main tube when the contact between the sperm tube and the main tube, while the inner diameter of the anti- jungle packing The metal ring is built in to prevent change.

Another feature of the ball valve structure of the part-numbered sperm tube formed integrally with the ball valve of the present invention, the stiffening bump is formed inside the main tube cover portion of the sperm tube so that the anti-seal packing is seated.

In order to achieve the same object as described above, the ball valve structure of the sub-limiting sperm tube integrally formed with the ball valve of the present invention is coupled to the cooperating portion of the main pipe which is coupled to the circumscribing tube or requires sub-branch branching, and has a through space therein. An opening portion opposed to the perforated portion of the main pipe, a valve mounting portion formed integrally therewith at the end of the opening portion and communicating with the opening portion, and integrally formed at the end portion of the valve installation portion, perforated or branched. Coupling flange portion to which the pipe is coupled; A first ball valve installed to rotate inside the valve installation unit and opening / closing a half of the opening part; A second ball valve installed to rotate inside the valve installation unit and opening and closing a space of the other half of the opening part; One end is coupled to the first ball valve and the second ball valve, the other end is exposed to the outside of the valve installation portion, and if the other end is rotated in one direction, the first ball valve and the second ball valve are rotated in the opposite direction at the same time to open When the other end is rotated in the opposite direction, the first ball valve and the second ball valve is characterized in that it comprises a working shaft to be closed while rotating in the opposite direction at the same time.

Another feature of the ball valve structure of the part-number limiting tube formed integrally with the ball valve of the present invention is that the first ball valve and the second ball valve are built in the valve mounting portion and open and close half of the space inside the opening. A first top plate and a second top plate extending from one end of the first opening and closing portion, and a first top plate and a second top plate rotatably coupled to an inner upper side of the valve mounting portion, and the first top plate and the second opening portion. A first upper hinge hole and a second upper hinge hole formed in the upper plate and coupled with the first hinge shaft to form a pivot center of the first upper plate and the second upper plate, the first upper hinge hole in the first upper plate and the second upper plate, An inner circumferential surface of the first and second rotational restriction grooves and the first rotational restriction groove which are formed in an arc shape around the second upper hinge hole and limit the rotation angles of the first ball valve and the second ball valve. And the operation shaft is formed on the other side of the inner peripheral surface of the second turning restriction groove When engaged with the operation shaft gear and rotates the operation shaft, the first and second gears opening and closing the opening and extending to the other end of the first opening and closing opening and closing parts to rotate the first ball valve and the second ball valve in the opposite direction. It is formed in the first lower plate and the second lower plate, and the first lower plate and the second lower plate rotatably coupled to the inner lower side of the valve mounting portion, the second hinge shaft is coupled and the center of rotation of the first lower plate and the second lower plate And a first lower hinge hole and a second lower hinge hole.

A further feature of the ball valve structure of the part-number limiter tube in which the ball valve of the present invention is integrally formed is that the first gear has two arc-shaped curved surfaces formed around the first upper hinge hole in the first turning restriction groove. The second gear is formed on the curved surface of the portion having the larger diameter, and the second gear is formed on the curved surface of the portion having the smaller diameter among the two arc-shaped surfaces formed around the second upper hinge hole in the second pivotal restricting groove. The number of teeth of one gear is smaller than the number of teeth of the first gear, and the first operation shaft gear is formed at one end to be engaged with the second gear of the second ball valve, and one side of the first operation shaft gear The second working shaft gear is formed to have a larger diameter than the outer diameter so as to have more teeth than the first working shaft gear.

According to the present invention as described above, when the ball valve is divided into a first ball valve and a second ball valve, and the operating shaft is rotated clockwise or counterclockwise, the first ball valve and the second ball valve are simultaneously opposite directions. The opening of the sperm tube is opened while rotating, and when the operating shaft is rotated counterclockwise or clockwise, the first ball valve and the second ball valve are simultaneously rotated in opposite directions to close the opening of the sperm tube. Therefore, the ball valve is divided into the first ball valve and the second ball valve and the first ball valve and the second ball valve is rotated in the opposite direction as the first ball valve is provided to open and close the space of half of the opening of the sperm pipe And by rotating only the second ball valve about 45 ° can open and close the entire opening. Therefore, even if the first ball valve and the second ball valve are rotated about 45 °, the opening is completely opened and closed, thereby minimizing the internal space of the valve installation part of the sperm pipe, thereby reducing the overall size of the ball valve structure. It is easy to store, transport, and construct, the manufacturing cost is reduced, and the constructability is improved by reducing the amount of earthwork.

According to the valve structure for branching and branching of the present invention, even if the first ball valve and the second ball valve are rotated by about 45 degrees, the entire opening of the sperm pipe is opened and closed. Therefore, the ball valve can be easily and quickly operated since the opening of the sperm tube can be opened and closed with a minimum operation shaft movement.

The sperm tube of the present invention includes a main tube cover portion which is in close contact with the outer circumferential surface of the main tube to be drilled, an open portion which is integrally extended to the main tube cover portion, and whose through space is opposed to the perforated portion of the main tube; The valve mounting portion is formed integrally with this at the end of the part and the first ball valve and the first ball valve are built in, and the coupling flange part is formed integrally with this at the end of the valve mounting part and the perforator or the branch pipe is coupled thereto. . And the first ball valve and the second ball valve is provided in a state in which the valve installation portion of the integrated sperm pipe. Therefore, when a pair of sperm pipes are installed around the main pipe, a ball valve built in the sperm pipe is simultaneously installed with the sperm pipe. Therefore, it is very easy to install the sperm tube, ball valve in the main pipe, thereby greatly improving the assembly.

According to the present invention, an arc-shaped first packing groove and a second packing groove are formed at one side of the first opening and closing portion of the first ball valve and a corresponding side of the second opening and closing portion of the second ball valve engaging with the first ball valve. The first packing and the second packing are coupled to the two packing grooves. Accordingly, when the first ball valve and the second ball valve are closed, the first packing and the second packing are engaged with each other to maintain airtightness, thereby preventing leakage.

The ratchet handle is coupled to the operating shaft end and the valve mounting portion of the present invention to control the rotation of the operating shaft. Among the ratchet handles, the ratchet portion of the ratchet handle provided with the dial to control the rotation direction is coupled to the end of the operating shaft, the handle portion of the ratchet handle is fixed to the valve mounting portion, and is provided to control the rotation direction of the operating shaft by converting the dial. . Therefore, when the ratchet handle's dial is operated so that the operating shaft is rotated only in the closing direction, the first ball valve is operated even if the hydraulic pressure acts therebetween when the operating shaft is rotated so that the first and second ball valves are completely closed. And the second ball valve does not open. Therefore, even if water pressure acts between the first ball valve and the second ball valve, they do not open, so that the watertightness is securely maintained.

Inside the main tube cover portion of the sperm tube of the present invention is formed with a jaw prevention jaw, the jaw prevention pack is seated in the jaw prevention jaw, and a ring-shaped jungle prevention packing inside the metal ring. Therefore, when assembling the jeongjak tube around the main pipe by the jungle bumps to prevent the jungle packing to be seated inside the jungle bumps, so as not to escape the jungle bumps. In addition, the ring-shaped metal ring embedded in the anti-rolling packing is smoothly bent according to the curvature of the inner circumference of the main tube cover and the curvature of the outer circumference of the main tube when the ring-shaped metal ring is closely contacted between the sperm tube and the main tube, Do not increase the inner diameter of the skid prevention packing. Therefore, even if water pressure acts on the inner circumferential surface of the anti-sealing packing, the inner diameter thereof is hardly increased, and thus, the anti-sealing packing is not torn and thus watertightness is maintained reliably.

The watertight holding pack is coupled to the circumference of the opening side of the opening of the sperm pipe of the present invention so as to be in close contact with the outer circumferential surfaces of the first opening and closing portion of the first ball valve and the second opening and closing portion of the second ball valve. Therefore, when the first opening and closing portion and the second opening and closing portion are closed to the opening of the sperm tube, the watertightness between them is reliably maintained.

The operating shaft of the present invention comprises a first operating shaft gear and a second operating shaft gear having different diameters, and the second operating shaft gear has a larger diameter than that of the first operating shaft gear, thereby providing more gear teeth. In addition, a larger diameter first gear meshes with a larger number of second diameter actuating shaft gears, and a smaller number of teeth smaller diameter second gear meshes with a smaller number of teeth. do. Thus, during rotation of the working shaft, these of the first gear are also meshed with all of the second working shaft gear while they are rotated by engaging all of them with the first working shaft gear. Therefore, the opening and closing angles of the first ball valve and the second ball valve are made the same when the operating shaft is rotated, thereby maintaining the same opening speed of the first ball valve and the second ball valve.

Figure 1 is a schematic side cross-sectional view showing a ball valve structure of the sub-limiting sperm pipe formed integrally with the ball valve of the present invention
Fig. 2 is a plan view of Fig. 1
Figure 3 is an exploded perspective view showing the main portion of the ball valve structure according to the present invention
Figure 4 is a perspective view showing the first ball valve and the second ball valve opened state
5 is a perspective view showing the first ball valve and the second ball valve is in a closed state
Figure 6 is a separation side cross-sectional view showing a state in which the anti-packing packing, sperm tube, perforator coupled to the main pipe
Figure 7 is a side cross-sectional view showing a state in which the anti-seal packing is in close contact with the sperm tube
Figure 8 is a partial side cross-sectional view sequentially showing a state in which the sub-branch branch pipe construction around the main pipe
9 is a schematic partial exploded perspective view showing a first packing and a second packing coupled to the first ball valve and the second ball valve;
FIG. 10 is a schematic perspective view illustrating a state in which a first packing and a second packing are coupled to a first ball valve and a second ball valve. FIG.
Figure 11 is a schematic partial exploded perspective view showing a ratchet handle is installed on the ball valve structure of the second part sperm pipe formed integrally with the ball valve of the present invention
Figure 12 is a schematic side cross-sectional view showing a state in which the convex portions of the first ball valve and the second ball valve are installed so as to face the opposite direction of the water pressure;
FIG. 13 is a plan view of FIG. 12.
14 is a schematic side cross-sectional view showing a state in which the main tube cover portion of the sperm tube is deleted;
15 is a top view of FIG. 14.
16 is an exploded perspective view showing another embodiment of the ball valve structure
17 is a perspective view of the combination of FIG.

Specific features and advantages of the present invention will become more apparent from the following description with reference to the accompanying drawings.

Figure 1 is a schematic side cross-sectional view showing a ball valve structure of the sub-limiting sperm pipe formed integrally with the ball valve of the present invention, Figure 2 is a plan view of Figure 1, Figure 3 shows the main part of the ball valve structure according to the present invention Excerpt exploded perspective view. 4 is a combined perspective view showing the first ball valve and the second ball valve in an open state, and FIG. 5 is a coupled perspective view showing the first ball valve and the second ball valve in a closed state.

The ball valve structure of the part-number limiter tube in which the ball valve of the present invention is integrally formed may include the limiter tube 10, the first ball valve 20, the second ball valve 30, the working shaft 40, and the first. It comprises a hinge axis 50, the second hinge axis (51).

The sperm tube 10 is provided so as to surround the outer diameter of the main pipe 1, which is provided with a pair and is a water supply pipe. An opening 12 is formed in any one of the pair of sperm pipes 10, and through the opening 12, a perforation hole is formed in the main pipe 1.

The sperm tube 10 is formed by the main tube cover portion 11, the opening portion 12, the valve installation portion 13, the coupling flange portion 14 is formed integrally.

The main tube cover portion 11 is in close contact with the outer circumferential surface of the main tube 1 to be drilled. The opening part 12 extends integrally with the main pipe cover part 11, and the through space inside is opposed to the perforation part of the main pipe 1. The valve installation part 13 is the opening part 12. As shown in FIG. It is formed integrally with the end of the first ball valve 20 and the first ball valve 20 is embedded. Coupling flange 14 is formed integrally with the end of the valve mounting portion 13, the perforator or branch pipe is coupled. The cover 15 is installed at the upper part of the valve installation part 13 of the sperm tube 10 so as to support the operation shaft 40 to be described later.

The first ball valve 20 is installed to rotate inside the sperm tube 10 and opens and closes half of the space of the opening 12.

The first ball valve 20 includes a first opening / closing portion 21, a first upper plate 23, a first upper hinge hole 24, a first turning restriction groove 25, a first gear 26, and a first The lower plate 27 and the first lower hinge hole 28 are formed.

The first opening / closing part 21 is built in the valve installation part 13, and opens and closes half of the space inside the opening part 12. As shown in FIG. The first opening and closing part 21 has a shape of a sphere, and the forming angle of the first opening and closing part 21 is maintained at an angle of about 45 ° in plan view.

The first top plate 23 extends at one end of the first opening / closing portion 21 and is rotatably coupled to the inner upper side of the valve mounting portion 13. The first upper hinge hole 24 is formed in the first upper plate 23 so that the first hinge shaft 50 to be described later is coupled to form a rotation center of the first upper plate 23.

The first pivotal limit groove 25 is formed in an arc shape around the first upper hinge hole 24 in the first upper plate 23 and restricts the rotation angle of the first ball valve 20. The first ball valve 20 is rotated within the range of 45 ° by the first rotation limit groove 25. The first gear 26 is formed on one side of the inner circumferential surface of the first pivotal limiting groove 25 so that the first gear 26 is engaged with the operation shaft gear 41 of the operation shaft 40 to be described later and rotates the operation shaft 40. The valve 20 is rotated in a direction opposite to the rotation direction of the second ball valve 30 to be described later to open and close the opening 12.

The first lower plate 27 extends to the other end of the first opening / closing portion 21 and is rotatably coupled to the inner lower side of the valve mounting portion 13. The first lower hinge hole 28 is formed in the first lower plate 27 so that the second hinge shaft 51 is coupled to form a rotation center of the first lower plate 27.

The second ball valve 30 is installed to rotate inside the sperm tube 10 and opens and closes the space of the other half of the opening 12.

The second ball valve 30 includes a second opening / closing portion 31, a second upper plate 33, a second upper hinge hole 34, a second turning restriction groove 35, a second gear 36, and a first The lower plate 37 and the second lower hinge hole 38 are formed.

The second opening / closing part 31 is built in the valve installation part 13 and opens and closes half of the space inside the opening part 12. The second opening and closing part 31 has a shape of a sphere, and the forming angle of the second opening and closing part 31 is maintained at an angle of about 45 ° in plan view.

The second top plate 33 extends at one end of the second opening / closing portion 31 and is rotatably coupled to the inner upper side of the valve mounting portion 13. The second upper hinge hole 34 is formed in the second upper plate 33 so that the first hinge shaft 50, which will be described later, is coupled to form a rotation center of the second upper plate 33.

The second pivotal limit groove 35 is formed in an arc shape around the second upper hinge hole 34 in the second upper plate 33 and restricts the rotation angle of the second ball valve 30. The second ball valve 30 is rotated within the range of 45 ° by the second rotation limit groove 35. The second gear 36 is formed on the other side of the inner circumferential surface of the second pivotal limiting groove 35 so that the second gear 36 is engaged with the operating shaft gear 41 of the operating shaft 40 to be described later and rotates the operating shaft 40. The valve 30 is rotated in a direction opposite to the rotation direction of the first ball valve 20 to open and close the opening 12.

The second lower plate 37 extends to the other end of the second opening / closing portion 31 and is rotatably coupled to the inner lower side of the valve mounting portion 13. The second lower hinge hole 38 is formed in the second lower plate 37 so that the second hinge shaft 51 is coupled to form a rotation center of the second lower plate 37.

The actuating shaft 40 has an actuating shaft gear 41 formed at one end thereof, and the actuating shaft gear 41 has a first rotational restriction groove 25 and a second ball valve of the first ball valve 20. It enters into the 2nd rotation restriction groove 35 of (30). Therefore, the working shaft gear 41 is engaged with the first gear 26 of the first pivotal restriction groove 25 and the second gear 36 of the second pivotal restriction groove 35.

The other end of the working shaft 40 is exposed to the outside of the sperm tube 10. Therefore, when the other end of the operating shaft 40 is rotated in the clockwise or counterclockwise direction, the first ball valve 20 and the second ball valve 30 are rotated in opposite directions to each other, and are opened. When the other end is rotated counterclockwise or clockwise, the first ball valve 20 and the second ball valve 30 are closed while rotating in opposite directions.

Figure 6 is a separate side cross-sectional view showing a state in which the anti-packing packing 60, the sperm tube 10, the perforator 2 is coupled to the main tube (1), Figure 7 is the anti-rolling inside of the sperm tube (10) Side sectional view showing a state in which the packing 60 is in close contact.

First, the jaw preventing jaw 16 is formed inside the main tube cover portion 11 of the sperm tube 10. The jungle prevention jaw 16 is formed in a circular shape inside the main tube cover portion 11 so as to surround the circumference of the opening 12, the jungle prevention packing 60 is seated in the jungle prevention jaw 16. .

The jungle prevention jaw (60) is when the jeongjak pipe 10 is assembled around the main pipe (1) to prevent the jungle packing 60 to be seated in the jungle prevention jaw (16), so as not to leave the jungle prevention jaw (16) . If the anti-dripping packing 60 is out of the anti-jaw jaw 16, the inner circumferential surface of the sperm tube 10 may not be kept in close contact with the circumference of the main tube 1 and is excited. Therefore, the operator can easily reassemble after determining that the anti-sealing packing 60 is not properly seated in the inside of the jungle prevention jaw 16.

Here, the anti-sealing packing 60 is in close contact between the main tube cover portion 11 and the outer circumferential surface of the main tube 1 of the sperm tube 10 to maintain watertight between them. The anti-sealing packing 60 is formed in a ring shape and is in close contact with the periphery of the anti-leak jaw 16 and the periphery of the through hole to be formed in the main pipe 1.

Inside the ring-shaped anti-seal packing 60 is a metal ring 61 is built.

The anti-rolling packing 60 and the metal ring 61 of the structure as described above are in close contact with the circumferential tube 10 and the main tube 1, the curvature of the inner peripheral surface of the main tube cover portion 11 and the main tube (1) While smoothly bent according to the outer peripheral surface curvature of the close contact with the curved surface, the change in the inner diameter of the anti-seal packing (60) hardly occurs.

That is, when the water pressure in the main pipe (1) acts inside the anti-sealing packing 60, the anti-sealing packing 60 of the rubber material is about to increase its inner diameter by water pressure, but is built in the anti-sealing packing 60 The ring-shaped metal ring 61 prevents the change in the inner diameter of the anti-rolling packing 60.

Therefore, even if water pressure acts on the inner circumferential surface of the anti-rolling packing 60, the inner diameter thereof is hardly increased, and thus the anti-peeling packing 60 is not torn and thus watertightness is maintained reliably.

Meanwhile, the first opening / closing portion 21 of the first ball valve 20 and the second opening / closing portion of the second ball valve 30 are located around the outlet side opening portion 12 of the opening portion 12 of the sperm pipe 10. The watertight maintenance pack 62 is coupled to the outer circumferential surface of the 31 so that the watertightness is maintained between the first opening and closing part 21 and the second opening and closing part 31 and the opening part 12.

The watertight holding pack 62 may be made of a rubber material, or may be made of a Teflon material to minimize frictional resistance between the first opening and closing part 21 and the second opening and closing part 31. The watertight maintenance packing 62 allows watertightness to be maintained when the first opening and closing portion 21 and the second opening and closing portion 31 are closed at the opening 12 of the sperm tube 10.

8 is a partial side cross-sectional view sequentially showing a state in which the sub-branch branch pipe is constructed around the main pipe (1), with reference to this the ball valve structure construction method of the sub-stage sperm pipe integrally formed with reference to this This is as follows.

First, in order to couple the sperm tube 10 to the main tube 1, the main tube 1 is cleaned and the periphery of the main tube 1 is surface treated.

When the cleaning and surface treatment of the main pipe (1) is completed, the ball valve integrated sperm pipe 10 according to the present invention is coupled to the circumference of the main pipe (1).

When the sperm tube 10 is coupled to the main tube 1, the punching machine 2 is installed in the coupling flange 14 of the sperm tube 10.

When the perforator 2 is installed in the sperm tube 10, the operation shaft 40 is rotated in one direction to completely open the first ball valve 20 and the second ball valve 30. When the working shaft 40 and the working shaft gear 41 formed therein are rotated, the first gear 26 and the second gear 36 meshed with the working shaft gear 41 are interlocked, and accordingly, the first ball valve 20 ) And the second ball valve 30 are rotated in opposite directions with respect to the first hinge shaft 50 and the second hinge shaft 51. In this way, the first ball valve 20 and the second ball valve 30 are completely opened.

When the first ball valve 20 and the second ball valve 40 are completely open, the punching machine 2 is driven to drill the corresponding portion of the main pipe 1, and after the punching means of the punching machine 2 is returned, The first ball valve 20 and the second ball valve 30 are closed by rotating the operating shaft 40 in the opposite direction described above.

When the first ball valve 20 and the second ball valve 30 are completely sealed, the perforator 2 is separated from the coupling flange 14 of the sperm tube 10.

The ball valve structure of the part-number limiter tube formed integrally with the ball valve of the present invention having such a configuration has the following features.

First, in the present invention, the ball valve is divided into the first ball valve 20 and the second ball valve 30, and when the operating shaft 40 is rotated clockwise or counterclockwise, the first ball valve 20 And the second ball valve 30 rotates in opposite directions to open the opening 12 of the sperm tube 10. When the operating shaft 40 rotates counterclockwise or clockwise, the first ball valve 20 and the second ball valve 30 are rotated in opposite directions to close the opening 12 of the sperm tube 10. .

Therefore, the ball valve is bisected into the first ball valve 20 and the second ball valve 30 and the first ball valve 20 and the second ball valve 30 are rotated in opposite directions to each other of the sperm tube 10 Since half of the opening 12 is provided to open and close the space, the entire opening 12 may be opened or closed even when only the first ball valve 20 and the second ball valve 30 are rotated by about 45 °.

Therefore, even if the first ball valve 20 and the second ball valve 30 is rotated only by about 45 °, since the open part 12 is completely opened and closed, the internal space of the valve installation part 13 of the sperm pipe 10 can be minimized. As a result, the overall size of the ball valve structure is reduced, so that the ball valve structure can be easily stored, transported, and constructed, and the manufacturing cost is reduced.

Second, according to the present invention, the branched valve structure for opening and closing the part 12 of the sperm tube 10 is opened and closed even when the first ball valve 20 and the second ball valve 30 are rotated by about 45 degrees.

Therefore, the opening 12 of the sperm tube 10 can be opened and closed only with a minimum operation of the operation shaft 40, so that the ball valve can be easily and quickly operated.

Third, the sperm tube 10 of the present invention extends integrally to the main tube cover portion 11 and the main tube cover portion 11 in close contact with the outer circumferential surface of the main tube 1 to be drilled, and has a through space therein. The opening part 12 facing the punched part of the main pipe 1 and the end part of the opening part 12 are integrally formed with the first ball valve 20 and the first ball valve 20. The valve mounting portion 13 and the coupling flange portion 14 is formed integrally with the end of the valve mounting portion 13 and is coupled to the perforator or the branch pipe. In addition, the first ball valve 20 and the second ball valve 30 are provided in a state in which the valve installation part 13 of the integrated sperm pipe 10 is integrated.

Therefore, when a pair of sperm pipe 10 is installed around the main pipe 1, the first ball valve 20 and the second ball valve 30 embedded in the sperm pipe 10 and the sperm pipe 10 and Are installed together at the same time. Therefore, since the ball valve is installed in a relatively simple operation of installing the sperm tube 10 on the main pipe 1, the installation work is very simple, and thus, the assembly is greatly improved.

9 is a schematic partial exploded perspective view showing the first packing 80 and the second packing 81 coupled to the first ball valve 20 and the second ball valve 30, and FIG. 10 is a first ball valve ( 20 is a schematic perspective view showing a state in which the first packing 80 and the second packing 81 are coupled to the second ball valve 30.

The present invention, the one side of the first opening and closing portion 21 of the first ball valve 20 and the corresponding side of the second opening and closing portion 31 of the second ball valve 30 engaged with the arc-shaped first packing groove 22 ) And the second packing groove 32 is formed. A first packing 80 and a second packing 81 are coupled to the first packing groove 22 and the second packing groove 32.

Accordingly, when the first ball valve 20 and the second ball valve 30 are closed, the first packing 80 and the second packing 81 are engaged with each other to maintain airtightness, thereby preventing leakage.

Figure 11 is a schematic partial exploded perspective view showing the ratchet handle is installed in the ball valve structure of the water-limiting sperm pipe formed integrally with the ball valve of the present invention.

In the present invention, the ratchet handle 70 is coupled to the end of the operating shaft 40 and the valve mounting portion 13 to control the rotation of the operating shaft 40. The ratchet handle 70 is composed of a ratchet portion 71, a dial 72, and a handle portion 73.

The ratchet portion 71 of the ratchet handle 70 is provided with a dial 72 to control the rotation direction. When one side of the dial 72 is pressed, the operating shaft 40 coupled to the ratchet portion 71 is rotated only in one direction, and when the other side of the dial 72 is pressed, the operating shaft 40 coupled to the ratchet portion 71 is rotated. It is only rotated in the opposite direction.

The ratchet portion 71 of the ratchet handle 70 is coupled to the end of the operating shaft 40, the handle portion 73 of the ratchet handle 70 is fixed to the valve mounting portion 13, the dial 72 It is provided to control the rotation direction of the operating shaft 40 by converting.

Therefore, when the dial 72 of the ratchet handle 70 is operated so that the operating shaft 40 is rotated only in the closing direction, the operating shaft 40 is rotated so that the first ball valve 20 and the second ball valve ( When the 30 is completely closed, the first ball valve 20 and the second ball valve 30 are not opened even if water pressure acts between them.

Therefore, the first ball valve 20 and the second ball valve may be formed even if the water pressure inside the main pipe 1 acts on the first ball valve 20 and the second ball valve 30 by forming a drilling hole in the main pipe 1. Since the ball valves 30 do not open to each other, watertightness is securely maintained.

FIG. 12 is a schematic side cross-sectional view showing the convex portions of the first ball valve 20 and the second ball valve 30 facing in a direction opposite to the water pressure, and FIG. 13 is a plan view of FIG.

Compared with FIGS. 1 and 2, the present invention differs only in that the installation positions of the first ball valve 20 and the second ball valve 30 are installed in the opposite direction of the hydraulic pressure, and the rest of the configuration, operation, and effect are described above. As it is the same as the description thereof will be omitted.

As such, the present invention may be positioned such that convex portions of the first ball valve 20 and the second ball valve 30 face water pressure as shown in FIGS. 1 and 2, but the first ball as shown in FIGS. 12 and 13. Concave portions of the valve 20 and the second ball valve 30 may be positioned to face hydraulic pressure.

14 is a schematic side cross-sectional view showing a state in which the main tube cover part 11 of the sperm tube 10 is deleted, and FIG. 15 is a plan view of FIG.

1, 2, 12, and 13 as shown in FIG. 13, the ball valve structure consisting of the first ball valve 20 and the second ball valve 30 has a main tube cover portion of the circumscribed tube 10. Although it may be formed integrally with (11), as shown in Figs. 14 and 15, the opening portion 12, the valve mounting portion 13, the coupling flange portion 14 is formed integrally and is formed in the valve mounting portion (13) The first ball valve 20 and the second ball valve 30 may be provided in a built-in form.

Such a ball valve structure assembly may be used in combination with a separate sperm tube, or may be used alone in combination with a coupling part requiring a branching branch.

16 is an exploded perspective view showing another embodiment of the ball valve structure, Figure 17 is a combined perspective view of FIG.

The present invention is characterized in that the opening and closing speed of the first ball valve 20 and the second ball valve 30 at the same time when the operating shaft 40 is rotated.

The first ball valve 20 is formed in an arc shape around the first upper hinge hole 24 in the first upper plate 23 and has a first rotational restriction that restricts the rotation angle of the first ball valve 20. The groove 25 is formed.

Two arc-shaped curved surfaces formed around the first upper hinge hole 24 are formed in the first pivotal restricting groove 25. The curved surface of the larger diameter portion of the two curved surfaces is described later with an operation shaft 40. The first gear 29 is formed to mesh with the second working shaft gear 43 of the. Accordingly, when the operating shaft 40 is rotated, the first ball valve 20 is rotated about the first upper hinge hole 24 to open and close the half of the opening 12.

The second ball valve 30 is formed in an arc shape around the second upper hinge hole 34 in the second upper plate 23, and the second rotation limit restricts the rotation angle of the second ball valve 30. The groove 35 is formed.

Two arc-shaped curved surfaces formed around the second upper hinge hole 34 are formed in the second pivotal restriction groove 35, and the curved surface of the small diameter portion of the two curved surfaces will be described later with the operation shaft 40. The second gear 39 is formed to mesh with the first operating shaft gear 42 of the. Accordingly, when the operating shaft 40 is rotated, the second ball valve 30 is rotated about the second upper hinge hole 34 to open and close the other half of the opening 12.

The actuating shaft 40 has a first actuating shaft gear 42 formed at one end thereof so as to be engaged with the second gear 39 of the second ball valve 30, and at one side of the actuating shaft gear 42. A second working shaft gear 43 having a diameter larger than the outer diameter of the first working shaft gear 42 is formed, and the second working shaft gear 43 is the first gear 29 of the first ball valve 20. Is matched with).

The ball valve structure of the sub-number limiter tube formed integrally with the ball valve according to the present invention has a small diameter when one end of the operating shaft 40 enters the first and second rotational restriction grooves 25 and 35. The first actuating shaft gear 42 of the actuating shaft 40 has a diameter that is meshed with the second gear 39 of the second ball valve 30 having the small diameter and is larger than the first actuating shaft gear 42. The second operating shaft gear 43 having the gear meshed with the first gear 29 of the first ball valve 20 having a diameter larger than the second gear (39).

In this state, when the operating shaft 40 is rotated, the second gear 39 and the first gear 29 meshed with the first operating shaft gear 42 and the second operating shaft gear 43 are first hinged. The small diameter of the first operating shaft gear 42 engaged with the small diameter second gear 39 is rotated about the hole 24 and the second upper hinge hole 34. ) Rotates the second rotational restriction groove 35 from one side to the other side, the second diameter of the second operating shaft gear 43 engaged with the large diameter first gear 29 is the first ball valve 20 To rotate from one side to the other side of the first rotational restriction groove (25).

1 to 15, one operating shaft gear 41 of the same diameter formed in the operating shaft 40 is engaged with the small diameter first gear 26 formed in the first ball valve 20 and at the same time the second When the second gear 36 of the large diameter is formed in the ball valve 30, the rotation speed of the first ball valve 20 and the second ball valve 30 is different when the operating shaft 40 is rotated.

That is, when the operating shaft gear 41 of the operating shaft 40 is rotated, while the first ball valve 20 in which the small first gear 26 is formed is rotated to the end of the first limiting groove 25, The second ball valve 30 having the large diameter second gear 36 is not rotated until the end of the second turning restriction groove 35. The reason is that the number of teeth of the second gear 36 is larger due to the difference in diameter between the first gear 26 and the second gear 36. Accordingly, the first gear 26 is rotated when the working shaft gear 41 rotates. They of the second gear 36 are not meshed with all of them of the operating shaft gear 41 while they are rotated in engagement with all of them of the operating shaft gear 41. Therefore, the second ball valve 30 is not fully opened while the first ball valve 20 is fully opened.

On the other hand, the operating shaft 40 of FIGS. 16 and 17 is composed of a first operating shaft gear 42 and a second operating shaft gear 43 having different diameters, and the second operating shaft gear 43 operates first. Since the diameter is larger than that of the shaft gear 42, the number of gear teeth is provided. The first gear 29 having a larger number of teeth is engaged with the second operating shaft gear 43 having a larger number of teeth, and the second gear 39 having a smaller number of teeth has a smaller number of teeth. It is meshed with the 1st operation shaft gear 42 of diameter.

Accordingly, when the operating shaft 40 is rotated while the second gear 39 is rotated by engaging all of them of the first operating shaft gear 42, the second working shaft gear 43 of the first gear 29 is also rotated. Are rotated in mesh with all of them. Therefore, when the operating shaft 40 rotates, the opening and closing angles of the first ball valve 20 and the second ball valve 30 are made the same, and the first ball valve 20 is fully opened and at the same time the second ball valve ( 30) is also fully open.

1: main tube 2: perforator
10: participant tube 11: main tube cover
12: opening 13: valve mounting
14: coupling flange 15: cover
16: jaw bump 20: first ball valve
21: first opening and closing part 22: the first packing groove
23: first upper plate 24: first upper hinge hole
25: 1st movement limiting groove 26,29: 1st gear
27: first lower plate 28: first lower hinge hole
30: second ball valve 31: second opening and closing
32: 2nd packing groove 33: 2nd top plate
34: 2nd upper hinge hole 35: 2nd turning restriction groove
36,39: second gear 37: second lower plate
38: second lower hinge hole 40: operating shaft
41: working shaft gear 42: first working gear
43: second operating shaft gear 50: first hinge shaft
51: 2nd hinge axis 60: Anti-rolling packing
61: metal ring 62: watertight seal packing
70: ratchet handle 71: ratchet part
72 dial 73 handle
80: first packing 81: second packing

Claims (10)

A sperm tube 10 mounted surrounding the outer diameter of the main pipe 1, which is a water pipe, and having an opening 12;
A first ball valve 20 installed to rotate inside the circumferential tube 10 and having a first gear 26 formed therein to open and close a half of the opening 12;
A second ball valve 30 installed to rotate in the circumferential tube 10 and having a second gear 36 formed therein to open and close the remaining half of the opening 12;
An actuating shaft gear 41 is formed at one end to be engaged with the first gear 26 of the first ball valve 20 and the second gear 36 of the second ball valve 30, and the other end thereof has a shunt tube ( 10) is exposed to the outside, and when the other end is rotated in one direction, the first gear 26 and the second gear 36 engaged with the operating shaft gear 41 is rotated with respect to the operating shaft gear 41. While interlocking, the first ball valve 20 and the second ball valve 30 are opened, and when the other end is rotated in the opposite direction, the first gear 26 engaged with the operating shaft gear 41 is rotated in the opposite direction. And an actuating shaft 40 which allows the first ball valve 20 and the second ball valve 30 to be closed while the second gear 36 is interlocked about the actuating shaft gear 41. The ball valve structure of the part number limiter tube in which the ball valve is integrally formed.
The method of claim 1, wherein the sperm tube 10,
Main tube cover portion 11 in close contact with the outer peripheral surface of the main tube (1) to be drilled,
An open portion 12 extending integrally with the main tube cover portion 11 and having a through space therein opposed to a perforated portion of the main tube 1;
A valve mounting portion 13 which is formed integrally with the end of the opening portion 12 and in which the first ball valve 20 and the first ball valve 20 are embedded;
Ball valve structure of the part-number limiter tube integrally formed with a ball valve, characterized in that formed in the end of the valve mounting portion 13 is formed integrally therewith and a coupling flange portion 14 to which a perforator or branched pipe is coupled.
The method according to claim 2,
The first ball valve 20 and the second ball valve 30,
A first opening and closing portion 21 and a second opening and closing portion 31, which are embedded in the valve installation portion 13 and open and close half of the inner space of the opening portion 12,
A first upper plate 23 and a second upper plate 33 extending to one end of the first opening / closing portion 21 and the second opening / closing portion 31 and rotatably coupled to an inner upper side of the valve mounting portion 13;
The first upper hinge hole is formed in the first upper plate 23 and the second upper plate 33 and the first hinge shaft 50 is coupled to form a rotation center of the first upper plate 23 and the second upper plate 33. 24) and the second upper hinge hole 34,
The first upper plate 23 and the second upper plate 33 are formed in an arc shape around the first upper hinge hole 24 and the second upper hinge hole 34. The first ball valve 20 and the second upper plate 33 are formed in an arc shape. A first rotational restriction groove 25 and a second rotational restriction groove 35 for limiting the rotational angle of the ball valve 30,
When formed on one side of the inner circumferential surface of the first rotational restriction groove 25 and the other side of the inner circumferential surface of the second rotational restriction groove 35 are meshed with the operation shaft gear 41 of the operation shaft 40, and rotates the operation shaft 40 First and second gears 26 and 29 and 36 and 39 for opening and closing the opening 12 by allowing the first and second ball valves 20 and 30 to rotate in opposite directions. ,
A first lower plate 27 and a second lower plate 37 extending to the other ends of the first opening and closing portion 21 and the second opening and closing portion 31 and rotatably coupled to the inner lower side of the valve installation portion 13;
The first lower hinge hole is formed in the first lower plate 27 and the second lower plate 37 so that the second hinge shaft 51 is coupled to form a pivot center of the first lower plate 27 and the second lower plate 37. 28) and a second lower hinge hole (38), the ball valve structure of the part-number limiter tube integrally formed with a ball valve.
The method according to claim 3,
One side of the first opening / closing portion 21 of the first ball valve 20 and one side of the second opening / closing portion 31 of the second ball valve 30 engaged with the first ball valve 20 has an arc-shaped first packing groove 22 and a second packing. The groove 32 is formed,
The first packing groove 22 and the second packing groove 32, the first packing 80 and the second packing 81, the ball valve is formed integrally with the ball valve, characterized in that the combined ball valve rescue.
The method according to claim 1,
The ratchet handle 70 is coupled to the end of the operating shaft 40 and the valve installation portion 13 to control the rotation of the operating shaft 40,
The ratchet portion 71 of the ratchet handle 70 in which the dial 72 is installed to control the rotation direction is coupled to the end of the operation shaft 40, and the handle portion 73 of the ratchet handle 70 is a valve mounting portion ( It is fixed to 13, the ball valve structure of the part-number limiter tube integrally formed with a ball valve, characterized in that provided to control the rotation direction of the operating shaft 40 by converting the dial (72).
The method according to claim 2,
Between the main tube cover portion 11 and the outer circumferential surface of the main tube 1 of the sperm tube 10 is provided between the anti-packing packing 60 to be in close contact therebetween to maintain watertightness,
When the contact prevention packing 60 is in close contact between the sperm tube 10 and the main tube 1, the curved surface while bending according to the curvature of the inner circumferential surface of the main tube cover portion 11 and the outer circumferential surface curvature of the main tube (1) While in close contact with, the ball valve structure of the water-limiting qualifier tube integrally formed with a ball valve, characterized in that the metal ring 61 is built so that the change in the inner diameter of the anti-seal packing (60) is prevented.
The method of claim 6,
The ball valve structure of the part-numbered sperm tube formed integrally with a ball valve, characterized in that the throttle preventing jaw 16 is formed in the main tube cover portion 11 of the sperm tube 10 so as to seat the anti-seal packing 60. .
An open portion 12 coupled to a sperm tube or coupled to a coupling portion of the main tube requiring branching, and having a through space therein opposed to a perforated portion of the main tube 1;
A valve mounting portion 13 which is formed integrally with this at the end of the opening portion 12 and communicates with the opening portion 12 inside,
Coupling flange 14 is formed integrally with the end of the valve mounting portion 13 and the perforator or the branch pipe is coupled;
A first ball valve 20 installed to be rotated in the valve installation part 13 and having a first gear 26 formed therein to open and close a half of the opening 12;
A second ball valve 30 installed to rotate inside the valve installation part 13 and having a second gear 36 formed therein and opening and closing a space of the other half of the opening part 12;
An actuating shaft gear 41 is formed at one end to be engaged with the first gear 26 of the first ball valve 20 and the second gear 36 of the second ball valve 30, and the other end of the valve mounting portion. Exposed to the outside of (13), when the other end is rotated in one direction, the first gear 26 and the second gear 36 engaged with the operating shaft gear 41 is rotated to the center of the operating shaft gear 41 When the first ball valve 20 and the second ball valve 30 is opened while being interlocked with each other, and the other end is rotated in the opposite direction, the first gear 26 engaged with the operating shaft gear 41 is rotated in the opposite direction. ) And the second gear 36 is interlocked with the operating shaft gear 41 as the center and the operating shaft 40 to close the first ball valve 20 and the second ball valve 30 is characterized in that made The ball valve structure of the part-number limiting tube formed integrally with the ball valve.
The method according to claim 8,
The first ball valve 20 and the second ball valve 30,
A first opening and closing portion 21 and a second opening and closing portion 31, which are embedded in the valve installation portion 13 and open and close half of the inner space of the opening portion 12,
A first upper plate 23 and a second upper plate 33 extending to one end of the first opening / closing portion 21 and the second opening / closing portion 31 and rotatably coupled to an inner upper side of the valve mounting portion 13;
The first upper hinge hole is formed in the first upper plate 23 and the second upper plate 33 and the first hinge shaft 50 is coupled to form a rotation center of the first upper plate 23 and the second upper plate 33. 24) and the second upper hinge hole 34,
The first upper plate 23 and the second upper plate 33 are formed in an arc shape around the first upper hinge hole 24 and the second upper hinge hole 34. The first ball valve 20 and the second upper plate 33 are formed in an arc shape. A first rotational restriction groove 25 and a second rotational restriction groove 35 for limiting the rotational angle of the ball valve 30,
When formed on one side of the inner circumferential surface of the first rotational restriction groove 25 and the other side of the inner circumferential surface of the second rotational restriction groove 35 are meshed with the operation shaft gear 41 of the operation shaft 40, and rotates the operation shaft 40 A first gear 26 and a second gear 36 for opening and closing the opening 12 by causing the first ball valve 20 and the second ball valve 30 to rotate in opposite directions;
A first lower plate 27 and a second lower plate 37 extending to the other ends of the first opening and closing portion 21 and the second opening and closing portion 31 and rotatably coupled to the inner lower side of the valve installation portion 13;
The first lower hinge hole is formed in the first lower plate 27 and the second lower plate 37 so that the second hinge shaft 51 is coupled to form a pivot center of the first lower plate 27 and the second lower plate 37. 28) and a second lower hinge hole (38), the ball valve structure of the part-number limiter tube integrally formed with a ball valve.
The method according to claim 3,
The first gear 29 is formed on the curved surface of the portion having the larger diameter among the two arc-shaped curved surfaces formed around the first upper hinge hole 24 in the first pivotal restriction groove 25,
The second gear 39 is formed on the curved surface of the portion having the smaller diameter among the two arc-shaped curved surfaces formed around the second upper hinge hole 34 in the second pivotal restriction groove 35 so as to form the first gear ( Have fewer teeth than 29),
The actuating shaft 40 has a first actuating shaft gear 42 formed at one end thereof so as to be engaged with the second gear 39 of the second ball valve 30, and at one side of the actuating shaft gear 42. The second working shaft gear 43 is formed to have a larger diameter than the outer diameter of the first working shaft gear 42, the number of teeth than the number of teeth of the first working shaft gear 42 is formed The ball valve structure of the part-number limiter tube in which the ball valve is integrally formed.

Images