KR102102143B1 - Valve for controlling flow - Google Patents

Abstract

The present invention relates to a flow control valve. When a vertical shaft (40) is rotated by the control of a handle (41), the peak in which a rear wall (62) closes one side packing hole (71) is considered to be 0°C or 360°C. In such a case, a ball (60) is operated in a closing section in a rotation section from -45°C and 315°C to 45°C, while being operated in an opening section in a rotation section from 45°C to 315°C. Therefore, the ball is operated in the closing section in the 1/4 of the rotation section in general, while being operated in the opening section in the 3/4 of the rotation section in general. Consequently, when flow control valve is applied to a boiler and the like, in which the opening section is used more frequently than the closing section in one valve, convenience in use can be maximized.

Description

Flow Control Valve {VALVE FOR CONTROLLING FLOW}

The present invention relates to a flow regulating valve, and more particularly, to a flow regulating valve capable of maximizing convenience in use by making more use of an open section than a closed section in one valve.

In general, the valve is a component for passing and blocking a fluid such as hot or cold water or oil.

1 is an exploded perspective view showing a valve introduced in the prior art document 1 (Republic of Korea Utility Model Publication No. 0226688).

The valve according to the prior art document 1, as shown in FIG. 1, when connecting an Excel hose or a composite pipe for the supply of hot or cold water from a boiler, a connection screw pipe 53 for screw assembly on one side around the valve body 51 ) To connect a metal pipe, connect an Excel hose or a composite pipe to the other end of the pipe connector 55, and rotate together with the rotation of the shaft 59 by the operation of the handle 58 in the valve body 51 It is made of a structure incorporating a ball 54 having a through-hole 54a for passing and blocking fluid.

By the way, the valve according to the prior art document 1 is expected the instantaneous flow rate when the through-hole 54a is opened in the valve body 51 even if the rotation of the ball 54 is adjusted to finely control the amount of passage of hot or cold water. Unlike, it has a limitation that cannot be finely adjusted for the flow rate because it is passed through a large width.

  In order to overcome the disadvantages of the fine adjustment of the flow rate of the prior art document 1, the valve disc for the electric valve has been proposed in the prior art document 2.

Furthermore, the valve according to the prior art document 1 has a problem in that the packing provided in the valve body 51 is gradually worn by rotation of the ball 54 and the flow rate is leaked during long-term use.

Figure 2 is an exploded perspective view showing an electric valve to which a valve disc for an electric valve according to Prior Art Document 2 (Republic of Korea Patent Publication No. 081699) is applied, and FIG. 3 is an exploded perspective view showing an electric valve according to Prior Art Document 2, 4 is a cross-sectional view showing an electric valve according to Prior Art Document 2, and FIGS. 5A to 5C are perspective views each showing an embodiment of a valve disc for electric valve according to Prior Art Document 2.

Prior art document 2 is installed inside the electric valve (1) consisting of a valve tube 100 and the drive unit 200, as shown in Figures 2 to 5c to form a seal in a mutually facing state, the drive unit 200 ) In the valve disc 10 is formed to be opened and closed as it is rotated, it is fixed to the inside of the valve tube portion 100 and having a connecting hole 111 to pass cold and hot water, the connecting hole 111 A seat disk 11 in which a seat groove 112 is formed on an upper surface adjacent to the seat disk 11; It is formed on the lower surface and is connected to the upper surface of the seat disc 11 so as to face the connecting hole 111, and the connecting groove 121 forming a passage through which the rotating hot and cold water moves, and the connecting hole 111 are in close contact with the cold and hot water. It is formed adjacent to the connecting groove 121 so as to block movement, and consists of a configuration including an opening / closing disk 12 having an opening / closing groove 122.

However, in the prior art document 2, the flow of cold and hot water rapidly breaks in the process of passing through the sheet disc 11 and the opening / closing disc 12 when the cold and hot water flows into the inlet 160 and then to the outlet 170, That is, cold and hot water flows in a horizontal state, and then, in the course of passing through the seat disk 11 and the opening / closing disk 12, it is bent rapidly in the vertical direction and then discharged back to the horizontal state, so that the flow rate can be adjusted, but the flow rate is slowed down as resistance is resisted. Has a problem, in particular, the structure of the seat disk 11 and the opening and closing disk 12 is complicated, so that productivity and assembling property are greatly reduced. Although not described in the prior art document 2, the sheet disk 11 and the opening and closing disk 12 ) In addition, the structure of the packing for ensuring the airtightness of the chamber 150 is complicated, and in particular, the structure in the chamber 150 for receiving the seat disc 11 and the opening and closing disc 12 is also complicated. Productivity and assembleability are greatly reduced].

Republic of Korea Utility Model Publication No. 0226688 Republic of Korea Registered Patent Publication No. 081699

An object of the present invention is to provide a flow control valve capable of maximizing convenience in use by making more use of an open section than a closed section in one valve.

The object of the present invention is to operate as a closed section when the rear wall of the ball is a rotating section ranging from -45 °, 315 ° to 45 ° when the apex closing the one-sided packing hole is 0 ° or 360 °. In the case of a rotating section ranging from 45 ° to 315 °, a flow regulating valve capable of acting as an open section is provided.

The object of the present invention is to operate in a closed section in a quarter of a turn as a whole, while in an overall section of a 3/4 turn, an open section is applied to a boiler that uses more of the open section than a closed section in one valve. It is to provide a flow control valve that can maximize the convenience in use.

The object of the present invention is to provide the other side grooves to ensure the side flow of the fluid in addition to the other side grooves to ensure the side flow of the fluid in providing the other side packing interposed on the other side step to provide a 1/4 side rotation section of the ball It is to provide a flow control valve capable of ensuring the closing section in and the opening section in the 3/4 rotation section of the ball.

An object of the present invention is to provide a flow control valve capable of preventing leaks and leaks more actively by allowing the ball to be in close contact with one side packing through a compression spring.

An object of the present invention is to provide a flow control valve capable of ensuring convenience in use by guaranteeing an open section of a fluid having a radius much larger than that of a fluid.

The object of the present invention is the actuality of the fluid while matching the mutually opening and closing range of the opening / closing hole toward the other side passage and the packing hole gradually expanding from the upper and lower narrow slit to the upper and lower light slit according to the rotation of the ball by the vertical axis. It is to provide a flow control valve that allows fine adjustment of the flow rate by allowing the flow rate to be adjusted by finely changing the passage range.

The object of the present invention is to enable fine-tuning of the flow rate by a slight addition or subtraction of the flow rate when the opening range of the opening / closing hole toward the one side passage and the other side is adjusted in the vertical narrow slit according to the rotation of the ball by the vertical axis, and the vertical axis When the opening range of the opening / closing hole toward the one side passage and the other side is adjusted according to the rotation of the ball, it is possible to quickly adjust the flow rate by adding or subtracting the flow rate, so it is more convenient to control hot or cold water such as a boiler. It is to provide a flow control valve that can be implemented easily.

The object of the present invention is to control the opening and closing hole along with the range of the upper and lower narrow slit and the upper and lower optical slit, so that when adjusting the flow rate, the upper and lower widths of the upper and lower narrow slit are gradually expanded to allow extremely fine flow adjustment. Further, it is to provide a flow control valve that makes it possible to rapidly adjust the flow rate of the flow by allowing the top and bottom widths of the upper and lower width slits to be rapidly expanded, thereby making it easier and quicker to match the hot and cold water of the boiler.

An object of the present invention is to achieve a slight increase or decrease in the flow rate when the opening range of the opening / closing hole toward the other side passage is adjusted in the vertical narrow slit according to the rotation of the ball by the vertical axis, and the one side according to the rotation of the ball by the vertical axis. It is to provide a flow control valve that achieves a medium or low increase or decrease in the flow rate when the opening range of the opening / closing hole toward the passageway and the other side passage is adjusted in the upper and lower light width slits.

The object of the present invention is to allow the ball to be in close contact with the one side packing through a compression spring in consideration of the fact that when the one side packing is worn out due to frequent rotation of the ball when the flow control valve is used for a long period of time, leakage and It is to provide a flow control valve to prevent leakage more actively.

An object of the present invention is to control the flow rate valve to allow the compression springs to be eccentric to one side as the other outer protrusions, and at the same time allow the other outer protrusions as the compression springs to slide back and forth along the inner periphery of the other passage. In the provision.

The present invention for achieving the above object,

The flow of fluid in the one side passage and the other side passage while being rotated according to the rotation of the vertical axis, and the one side tube having a vertical axis fitted on one side passage and the other side passage having the other side passage, and being assembled to the one side tube. In the flow control valve comprising a ball having an opening and closing hole for opening and closing, and one side packing having a one-side packing hole communicating with the opening and closing hole while being interposed on the one-sided step,

The opening / closing hole includes a center hole for linearly communicating the one side packing hole and the other side passage, and an open hole exploding forward from the center hole,

The ball is closed to the rear of the open hole, and has a rear side wall that closes the one side packing hole, and has a basic feature in its technical configuration.

The present invention for achieving the above object,

One side tube having a vertical axis fitted while having one side step provided in one side passage, and the other side assembly having the other side step provided in the other side passage, and the other side assembly assembled to the one side tube, and rotating along the rotation of the vertical axis, the one side passage and the other side passage A ball having an opening / closing hole for opening and closing the flow of the fluid, and one side packing hole and the other side packing hole having the one side packing hole and the other side packing hole communicating with the opening and closing hole while being interposed on the one side step and the other side step, respectively. In the flow control valve comprising a,

It is characterized by the following features in its technical configuration, including a compression spring that is supported on the other end step and elastically pushes the other side packing so that the ball is brought into close contact with the one side packing.

The present invention makes it possible to maximize the convenience in use by making more use of the open section than the closed section in one valve.

The present invention operates as a closed section when the rear wall of the ball is a rotating section from -45 °, 315 ° to 45 ° when the apex closing the one-sided packing hole is 0 ° or 360 °, whereas 45 ° In the case of a rotating section ranging from to 315 °, there is an effect that can be operated as an open section.

The present invention is generally used in a closed section in a quarter of a rotation section, while in an overall section of a 3/4 turn section, it is operated in an open section. Therefore, when applied to a boiler that uses more open sections than a closed section in one valve, it is used. There is an effect that can maximize the convenience of.

In the present invention, in providing the other side packing interposed in the other side step, the other side outer side grooves that guarantee the side flow of the fluid are provided in addition to the other side packing hole that guarantees the center flow of the fluid, and in the rotation section of 1/4 of the ball. It has the effect of ensuring the closing section and the opening section in the 3/4 turn section of the ball.

The present invention has the effect of preventing the leakage and leakage phenomenon more actively by allowing the ball to be in close contact with one side packing through the compression spring.

The present invention has the effect of ensuring the convenience of use by ensuring the opening section of the fluid of a relatively much larger radius than the closing section of the fluid.

According to the present invention, according to the rotation of the ball by the vertical axis, the opening range of the opening / closing hole toward the one side passage and the other side and the packing hole which gradually expands from the upper and lower narrow slit to the upper and lower optical slit, coincide with each other, and the actual passage range of the fluid. By finely changing the flow rate so that the flow rate can be adjusted, there is an effect of enabling finer adjustment of the flow rate.

According to the present invention, when the opening range of the opening / closing hole toward the one side passage and the other side is adjusted in the up and down narrow slit according to the rotation of the ball by the vertical axis, it is possible to finely adjust the flow rate by slightly adding or subtracting the flow rate, and When the opening range of the opening / closing hole toward the one side passage and the other side is adjusted in the upper and lower wide slit according to the rotation, it is possible to quickly adjust the flow rate by adding or subtracting the flow rate so that it is possible to more conveniently control hot or cold water such as a boiler. It has the effect.

The present invention has an effect that allows the opening and closing hole to adjust the passage range of the flow rate in the horizontal direction along the vertically narrow slit when the ball is rotated in the horizontal direction by the rotation of the vertical axis.

The present invention is a range adjustment according to the combination of the upper and lower narrow slit and the upper and lower light slit together with the opening and closing hole so that the upper and lower widths of the upper and lower narrow slit can be gradually expanded when adjusting the flow rate, so that it is possible to perform extremely fine flow adjustment. By allowing the upper and lower widths of the upper and lower width slit to be expanded rapidly, it is possible to control the acceleration and deceleration of a faster flow rate, thereby making it easier and quicker to match hot and cold water of the boiler.

According to the present invention, when the opening range of the opening / closing hole toward the one side passage and the other side is adjusted in the up and down narrow slit according to the rotation of the ball by the vertical axis, a slight increase or decrease in flow rate is achieved, and the one side passage according to the rotation of the ball by the vertical axis and When the opening range of the opening / closing hole toward the other side is adjusted in the upper and lower light slit, there is an effect to achieve the medium width of the flow rate.

According to the present invention, the ball is one-sided by the rear side wall when the rear wall has a rotational range from -45 °, that is, from 315 ° to 45 °, when the apex that closes the one-side packing hole is 0 ° or 360 °. While it operates as a closed section of the hole, in the case of a rotation section from 45 ° to 67.5 °, it operates as a narrow opening section of the upper and lower narrow slit by the center hole and open hole, and a rotation section from 67.5 ° to 90 ° In one case, the center hole and open hole operate as the middle wide opening section of the vertical and horizontal wide slit, and in the case of the rotating section from 90 ° to 270 °, the vertical narrow narrow slit and upper and lower wide slit are completely opened by the center hole and the open hole. It operates as a section, and in the case of a rotation section from 270 ° to 292.5 °, it operates as a narrow closing section of the upper and lower narrow slits by the center hole and the open hole, and from 292.5 ° to 315 ° In the case of the rotating section up to the above, there is an effect of acting as a middle closing section of the upper and lower light slit by the center hole and the open hole.

According to the present invention, when the one-way packing is worn out due to frequent rotation of the ball when the flow control valve is used for a long time, leakage and leakage may occur by allowing the ball to be brought into close contact with one-sided packing through a compression spring in consideration of the fact that fluid must leak out. It has the effect of preventing more aggressively.

The present invention has the effect of holding the center so that the compression spring is not eccentric to one side as the other outer protrusions, and at the same time, the other outer protrusions as the compression spring slide along the inner periphery of the other passage so that it can move back and forth naturally.

1 is an exploded perspective view showing a valve introduced in the prior art document 1.
Figure 2 is an exploded perspective view showing an electric valve is applied to the valve valve for the electric valve according to the prior art document 2.
Figure 3 is an exploded perspective view showing an electric valve according to the prior art document 2.
Figure 4 is a cross-sectional view showing an electric valve according to the prior art document 2.
5A to 5C are perspective views each showing an embodiment of a valve disc for an electric valve according to Prior Art Document 2;
6A and 6B are main cutaway perspective views, respectively, of the flow control valve according to the present invention, viewed from both directions.
Figure 7 is an exploded perspective view of the main portion showing the flow control valve according to the present invention.
Figure 8 is a virtual diagram showing the closing section and the opening section of the opening and closing hole according to the rotation of the ball applied to the flow control valve according to the present invention (A) is a virtual diagram applying the prior art document 1 (B) is applied the present invention Virtual diagram.

A preferred embodiment of the flow control valve according to the present invention will be described with reference to the drawings, and a number of examples may exist, and through this embodiment, the objects, features and advantages of the present invention can be better understood. There will be.

6A and 6B are main cutaway perspective views of flow control valves according to the present invention, viewed from both directions, and FIG. 7 is an exploded perspective view showing main flow control valves according to the present invention.

The flow control valve according to the present invention has one side tube 30 and the other side passage 30, the vertical shaft 40 is fitted while having one side step 32 provided in one side passage 31 as shown in Figure 6a to 7 51) while having the other side tube (50) assembled to one side tube (30) and rotated according to the rotation of the vertical axis (40), the opening and closing hole for opening and closing the flow of fluid in one side passage (31) and the other side passage (51) Includes a ball 60 with 61 and one side packing 70 with one side packing hole 71 communicating with the opening / closing hole 61 while being interposed on one side step 32 and simultaneously surrounding the ball 60 do.

At this time, the O-ring 42 is fitted to the vertical axis 40, and operated by the handle 41, the fluid such as hot water or cold water of the boiler passes through the vertical axis 40 while passing through the one side passage 31 and the other passage 51. ), Depending on whether the opening and closing of the opening and closing holes 61 according to the rotation of the ball 60 is passed and blocked.

8 is a virtual diagram showing the closing range and the opening range of the opening / closing hole 61 according to the rotation of the ball 60 applied to the flow control valve according to the present invention (A) is a virtual diagram applying the prior art document 1 ( B) is a virtual diagram to which the present invention is applied.

In the valve according to the prior art document 1, as shown in Fig. 1, the through hole is drilled in the straight direction at the center of the ball and closed by the ball as shown in Fig. 8 (A) when the shaft is rotated by the manipulation of the handle. The ground operates as a fully closed section in the case of rotations from -45 °, 315 ° to 45 °, and from 135 ° to 225 ° when the apex is referenced as 0 ° or 360 °, while 45 ° to 135 In the case of a rotating section ranging from ° to 225 ° and from 225 ° to 315 °, it operates as an open section, that is, as a whole, it is operated as a fully closed section, an open section, a fully closed section, and an open section by four equal parts, one valve In the application to boilers that use more open sections than closed sections, there are limitations in use inconvenience.

In consideration of the limitations of the present invention in consideration of the limitations of the prior art document 1, the opening / closing hole 61 has a center hole 61a and a center hole 61a that communicates the one side packing hole 71 and the other side passage 51 in a straight line. ) Includes an open hole (61b) that pops forward, and the ball (60) has a rear side wall (62) that closes to the rear of the open hole (61b) to close one side of the packing hole (71).

As shown in FIG. 8 (B) when the vertical axis 40 is rotated by the operation of the handle 41 according to the present invention, the ball 60 has a rear wall 62, which is a vertex for closing one side of the packing hole 71. Based on 0 ° or 360 °, it operates as a closed section in the case of a rotation range from -45 °, 315 ° to 45 °, while in the case of a rotation section from 45 ° to 315 °, it operates as an open section. In other words, it operates as a closed section in a quarter of a turn as a whole, whereas in a full section as an open section in a 3/4 turn, it is used when applied to a boiler that uses more open sections than a closed section in one valve. It is possible to maximize the convenience.

Preferably, the flow control valve according to the present invention is provided on the other side passage 51 and has the other side step 52 to interpose the other side packing 80, the other side packing 80 is interposed on the other side step 52 at the same time While surrounding the ball 60 and communicating with the center hole 61a, the other side of the packing plate 81 centered on the other side of the packing hole 81a to ensure the center flow of the fluid, and the outer side of the other side of the packing plate 81, etc. It includes the other outer protrusions (82) extending at intervals and supported between the other outer side protrusions (52), and the other outer grooves (83) provided between the other outer protrusions (82) to ensure a side flow of the fluid.

When the ball 60 is rotated, the flow of fluid through the one-sided packing 70 interposed in the one-side passage 31 is operated in a closed section in a quarter turn section while operating in an open section in a three-quarter turn section. In order to be possible, the other side passage 51 must be open at all times (although not described, the other side passage 51 may be formed to be jagged to support the ball 60, or as a separate support (not shown)) 60). In the present invention, in providing the other side packing 80 interposed in the other side step 52, the side flow of the fluid is provided along with the other side packing hole 81a which ensures the center flow of the fluid. By providing the other outer grooves 83 to ensure the closing section in the rotation section of 1/4 of the ball 60 and the opening section in the rotation section of 3/4 of the ball 60, it ensures one When applied to boilers that use more open sections than valve closed sections, This is to maximize the convenience of the.

Furthermore, in accordance with the features of the present invention, while being supported by the other side step 52, the other side of the outer projections (82) elastically push the other side of the packing plate (81) to allow the ball (60) to one side packing (70) It includes a compression spring 90 to be in close contact.

Frequent rotation of the ball 60 when the flow control valve is used for a long period of time causes the fluid to leak out when the one side packing 70 is worn. In the present invention, the ball 60 is compressed through the compression spring 90 to one side. It was made to be closely adhered with (70) to prevent leakage and leakage phenomenon more actively.

Specifically, the ball 60 has a rotation section from -45 °, that is, from 315 ° to 45 °, when the apex at which the rear wall 62 closes the one side packing hole 71 is 0 ° or 360 °. In one case, it operates as the closing section of the one side packing hole 71 by the rear side wall 62, while in the case of the rotation section ranging from 45 ° to + 315 °, one side by the center hole 61a and the open hole 61b. By operating as the opening section of the packing hole 71, it is possible to ensure the convenience of use by guaranteeing the opening section of the fluid having a radius much larger than the closing section of the fluid.

At this time, the one side of the packing hole 71 according to the rotation of the ball 60 by the vertical axis 40 to match the open range of the opening and closing holes 61 toward the one side passage 31 and the other side passage 51, the narrow narrow slit It is preferably made of a shape that gradually expands from (71a) to the upper and lower light slit (71b).

The opening range of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 according to the rotation of the ball 60 by the vertical axis 40 and the upper and lower narrow slit 71a to the upper and lower light slit 71b As the packing holes gradually expanding to reach each other while matching each other, as shown in FIG. 8 (B), the actual flow range of the fluid can be finely changed to control the flow rate, thereby enabling finer adjustment of the flow rate. Make it possible.

More specifically, according to the rotation of the ball 60 by the vertical axis 40, the opening range of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 can be adjusted in the upper and lower narrow slit 71a. In the case of a slight increase or decrease in the flow rate, it is possible to finely adjust the flow rate, and according to the rotation of the ball 60 by the vertical axis 40, the opening and closing of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 is opened. When the range is adjusted in the upper and lower light slit 71b, it is possible to quickly adjust the flow rate by adding or subtracting the flow rate, so that it is possible to more conveniently implement control of hot or cold water such as a boiler.

Furthermore, the upper and lower narrow slit 71a and the upper and lower light slit 71b are formed in the horizontal direction according to the direction in which the opening and closing holes 61 are opened, and when the ball 60 is rotated in the horizontal direction by the rotation of the vertical axis 40. It is preferable that the opening / closing hole 61 can adjust the passage range of the flow rate in the horizontal direction from the upper and lower narrow slit 71a to the upper and lower narrow slit 71b.

At this time, the upper and lower narrow slit 71a and the upper and lower narrow slit 71b are divided into a branch point at the center of the distance from the upper and lower narrow slit 71a to the upper and lower narrow slit 71b, and the upper and lower widths of the upper and lower narrow slit 71a are After gradually expanding, the vertical width is rapidly expanded in the vertical wide slit 71b.

Along with the opening / closing hole 61, the range of the upper and lower narrow slit 71a and the upper and lower optical slit 71b is adjusted according to the range, so that when adjusting the flow rate, the upper and lower widths of the upper and lower narrow slit 71a are gradually expanded to obtain extremely fine flow rate. It is possible to adjust the acceleration and deceleration, and further to rapidly expand the vertical width of the upper and lower light beam slit 71b, so that it is possible to adjust the acceleration and deceleration of a faster flow rate, making it easier and quicker to match the hot and cold water of the boiler. Have it.

That is, when the opening range of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 is adjusted in accordance with the rotation of the ball 60 by the vertical axis 40, the flow rate is adjusted in the vertical narrow slit 71a. To achieve a slight increase and decrease, the opening range of the opening and closing hole 61 toward the one side passage 31 and the other side passage 51 according to the rotation of the ball 60 by the vertical axis 40 is the upper and lower light slit 71b When adjusted in, it is to achieve a moderate increase or decrease in the flow rate.

More specifically, the ball 60 rotates from -45 °, that is, from 315 ° to 45 ° when the apex of the rear wall 62 closes the one side packing hole 71 is 0 ° or 360 °. In the case of a section, it operates as the closing section of the one side packing hole 71 by the rear side wall 62, whereas in the case of a rotation section ranging from 45 ° to 67.5 °, the center hole 61a and the open hole 61b Operates as a narrow opening section of the upper and lower narrow slit 71a, and in the case of a rotating section ranging from 67.5 ° to 90 °, the middle opening section of the upper and lower light slit 71b by the center hole 61a and the open hole 61b In the case of a rotation section ranging from 90 ° to 270 °, the center hole 61a and the open hole 61b are used to open and close the vertical narrow slit 71a and vertical vertical light slit 71b. , In the case of the rotating section from 270 ° to 292.5 °, the center hole (61a) and the open hole (61b) to move up and down Operates with a narrow closing section of the width slit 71a, and in the case of a rotation section ranging from 292.5 ° to 315 °, the middle closing section of the upper and lower light slit 71b is provided by the center hole 61a and the open hole 61b. Let it work.

Flow control valve according to an embodiment of the present invention has one side tube 30, the vertical axis 40 is fitted while having one side step 32 provided in one side passage 31, as shown in Figures 6a to 7, The other side passage 50 is assembled to the one side tube 30 while having the other side step 52 provided in the other side passage 51, and the one side passage 31 and the other side passage 51 while being rotated according to the rotation of the vertical axis 40 ) The opening and closing hole 61 to open and close the flow of the fluid, the ball 60 and the one side step 32 and the other side step 52, respectively, while simultaneously wrapping the ball 60 while opening and closing the hole 60 It includes a one side packing 70 and the other side packing 80 having one side packing hole 71 and the other side packing hole 81a in communication.

At this time, including the compression spring 90 to elastically push the other side packing 80 while being supported by the other side stepped 52 so that the ball 60 comes into close contact with the one side packing 70, a long period of flow control valve Frequent rotation of the ball 60 when used causes the leakage of the fluid when the one side packing 70 is worn, but in the present invention, the ball 60 is closely adhered to the one side packing 70 through the compression spring 90. This is to prevent leakage and leakage phenomenon more actively.

And, the other side packing 80 is interposed on the other side stepped 52 and at the same time wraps the ball 60 and communicates with the opening / closing hole 61 to ensure the center flow of the fluid, the other side centering on the other side packing hole 81a. The other side outer protrusions, including the packing plate 81 and the other outer protrusions 82 extending at equal intervals from the outer side of the other side packing plate 81 and being supported by the other end step 52 to receive the compression spring 90. (82) As the compression spring 90 is centered so that it is not eccentric to one side, the other outer protrusions 82 as the compression spring 90 slide along the inner periphery of the other side passage 51, and then move back and forth naturally. Make it possible.

The present invention can be used in industrial fields that control fluids such as hot water or cold water or gas.

30: one side tube 31: one side passage
32: one side step 40: vertical axis
41: handle 42: O-ring
50: other side tube 51: the other side passage
52: other side chin 60: ball
61: opening and closing hole 61a: center hole
61b: Open hole 62: Rear wall
70: One side packing 71: One side packing hole
71a: upper and lower narrow slit 71b: upper and lower narrow slit
80: the other side packing 81: the other side packing plate
81a: The other side packing hole 82: The other side outer projection
83: Other outer groove 90: Compression spring

Claims (11)

delete One side tube 30 having the vertical axis 40 fitted while having one side step 32 provided in one side passage 31 and the other side tube 50 assembled to the one side tube 30 while having the other side passage 51 ), The ball 60 having an opening and closing hole 61 for opening and closing the flow of the fluid in the one side passage 31 and the other side passage 51 while rotating according to the rotation of the vertical axis 40, and the one side step ( In the flow control valve including a one side packing 70 having one side packing hole 71 communicating with the opening / closing hole 61 while being interposed in the ball 60 while being interposed in 32),
The opening / closing hole 61 includes a center hole 61a for linearly communicating the one side packing hole 71 and the other side passage 51, and an open hole 61b popped forward from the center hole 61a. and,
The ball 60 is provided with a rear side wall 62 that is closed to the rear of the open hole 61b to close the one side packing hole 71,
It is provided on the other side passage 51 and has the other side step 52 to interpose the other side packing 80,
The other side packing 80 is interposed in the other side stepped 52 and at the same time wraps the ball 60 and communicates with the center hole 61a to center the other side packing hole 81a to ensure the center flow of the fluid. The other side packing plate 81 and the other side outer protrusions 82 extending at equal intervals from the outer side of the other side packing plate 81 and supported on the other side stepped 52, and the other side outer protrusions 82 Flow control valve, characterized in that it comprises a side outer groove (83) to ensure the side flow of the fluid is provided between each. According to claim 2,
While being supported by the other stepped shoulder 52, elastically push the other packing plate 81 in the other outer projections 82 so that the ball 60 is brought into close contact with the one packing 70 Flow control valve comprising a compression spring (90). The method of claim 2 or 3,
The ball 60 is the rear wall 62 when the rear wall 62 is a rotation section ranging from -45 ° to 45 ° when the vertex closing the one side packing hole 71 is 0 ° ) While operating as a closing section of the one side packing hole 71, in the case of a rotation section ranging from 45 ° to 315 °, the one side packing hole 71 by the center hole 61a and the open hole 61b. Flow control valve characterized in that it operates in the open section of. According to claim 4,
The one side packing hole 71 is adjusted to the opening range of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 according to the rotation of the ball 60 by the vertical axis 40. Flow control valve characterized in that it has a gradually expanding shape from the upper and lower narrow slit (71a) to the upper and lower light slit (71b). The method of claim 5,
The upper and lower narrow slit (71a) and the upper and lower light slit (71b) is a flow control valve, characterized in that formed in the horizontal direction in accordance with the direction in which the opening and closing holes 61 are opened. The method of claim 6,
The upper and lower narrow slit 71a and the upper and lower narrow slit 71b are divided into a branch point at the center of the distance from the upper and lower narrow slit 71a to the upper and lower narrow slit 71b,
Flow control valve characterized in that the vertical width of the upper and lower narrow slit (71a) is gradually expanded and then the vertical width is rapidly expanded in the vertical light slit (71b). The method of claim 7,
The opening range of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 is adjusted in the upper and lower narrow slit 71a according to the rotation of the ball 60 by the vertical axis 40. If possible, a slight increase or decrease in flow rate is achieved.
According to the rotation of the ball 60 by the vertical axis 40, the opening range of the opening / closing hole 61 toward the one side passage 31 and the other side passage 51 is adjusted in the upper and lower light slit 71b. Flow control valve, characterized in that to achieve a moderate increase or decrease of the flow rate. The method of claim 7,
The ball 60 is the rear wall 62 when the rear wall 62 is a rotation section ranging from -45 ° to 45 ° when the apex for closing the one side packing hole 71 is 0 ° ), While operating as the closing section of the one-sided packing hole 71, in the case of a rotation section ranging from 45 ° to 67.5 °, the vertical narrow slit by the center hole 61a and the open hole 61b. 71a) operating in a small opening section, and in the case of a rotation section ranging from 67.5 ° to 90 °, the center hole 61a and the opening hole 61b are operated in the middle opening section of the vertical light beam slit 71b. And, in the case of a rotation section from 90 ° to 270 °, the center hole 61a and the open hole 61b act as a fully opened section of the vertical narrow slit 71a and vertical vertical light slit 71b. , In the case of a rotation section from 270 ° to 292.5 °, the center hole 61a The opening hole 61b acts as a narrow closing section of the upper and lower narrow slit 71a, and in the case of a rotation section ranging from 292.5 ° to 315 °, the center hole 61a and the opening hole 61b provide the Flow control valve characterized in that it operates in the middle width closing section of the vertical wide slit (71b). delete delete

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