KR101349403B1 - Rotating gate valve - Google Patents

Abstract

The present invention relates to a water valve which controls the flow of a fluid by being installed on a pipe in which the fluid flows and comprises; a valve main body; a cover; a rotary axis which is inserted into the valve main body as a vertical state; a plug which connects an inlet and an outlet so that water flows according to the rotation of the rotary axis; and a rotator which puts up and down the plug and rotates the outer circumference surface of the plug as the state which is separated from the inlet and the outlet by providing rotating force to the rotary axis. The rotator comprises; a cover sleeve of a pipe shape which is integrally fixated on the cover and embeds an end part of the axis; a screw part which is embedded in the cover sleeve to be pivotally rotated and is combined with the end part of the axis; a sleeve nut which puts up and down the axis along a longitudinal direction of the screw part while being pivotally rotated; and a clutch which puts up and down the axis as a vertical state or rotates the axis with the sleeve nut by transferring and blocking the rotating force of the sleeve nut to the rotary axis. The present invention prevents the abrasion of a sheet which is closed to the plug by putting up and down the plug as a vertical state as the sleeve nut rotating by external force pulls the rotary axis through the screw part and puts up and down the plug. The present invention opens and closes the valve main body by horizontally rotating the plug with the state that the plug ascends as the rotating force of the sleeve nut is transferred to the rotating axis by the clutch.

Description

ROTATING GATE VALVE [0002]

The present invention relates to a rotary distillation valve, and more particularly, to a rotary distillation valve capable of controlling the flow of fluid through a rotating conical plug installed in a pipe through which a fluid such as water flows.

Generally, a wastewater valve is a gate valve installed in a pipe embedded in an underground, and is a valve for interrupting the flow of a fluid passing through a pipe.

A prior art dewatering valve is Korean Patent No. 10-979442 entitled " Truncated conical rotary dewatering valve " proposed by the present applicant.

The rotary dividing valve of the prior art, as shown in Figure 1, the valve body 101 of the frusto-conical shape, the rotary shaft 5 is axially coupled to rotate in the valve body 101, and the valve body 101 It is composed of a truncated cone plug (2) installed on the rotary shaft (5) corresponding to the truncated cone shape of) and the lifting means installed on the rotary shaft (5) to raise and lower the truncated cone plug (2).

The rotary distillation valve of the prior art is configured to interrupt the flow of the fluid while the truncated cone plug (2) is rotated by the rotary shaft (5) while passing or shielding the inlet (1) and the outlet (1a) through the water hole. . At this time, the plug 2 rotates while lifting by the lifting means.

As shown in FIG. 1, the lifting means is fixed to the rotating shaft 5 to rotate together with the rotating shaft 5, and a cam 6 having a guide protrusion 6a formed on one side thereof, and a valve outside the cam 6. The guide horizontal groove (4a) is fixed to the body 101 is inserted into the guide projection (6a) is composed of a guide bracket (4) formed in an oblique direction.

That is, the cam 6 moves along the horizontal groove 4a of the guide bracket 4 through the guide protrusion 6a while rotating together with the rotation shaft 5 as shown in FIG. 2, and the horizontal groove 4a. ) Is formed in an oblique shape to raise and lower the rotating shaft (5) and plug (2). Therefore, the dividing valve of the prior art rotates and lifts the rotary shaft 5 and the plug 2 at the same time.

However, the dividing valve of the prior art rotates the cam 6 of the rotating shaft 5 in a diagonal form along the horizontal groove 4a of the guide bracket 4 while rotating the cam 6 by 90 degrees. There is a problem that is required.

In addition, the dilution valve of the prior art, since the handle providing rotational force is directly connected to the rotary shaft 5, the rotation and lifting of the plug 2 is made at the same time, in particular, when the plug 2 is lowered, the plug 2 is in close contact There is a problem that wear of the sheet is generated.

KR 10-979442 B1

The present invention was created to improve the disadvantages of the prior art as described above, by raising the rotary shaft in a vertical state through the rotational force of the rotating member rotated by an external force to separate the plug from the valve body, the rotational force of the rotating member The purpose of the present invention is to provide a rotary dividing valve capable of easily opening and closing the plug as well as rotating the plug by rotating in a horizontal state.

The rotary distillation valve of the present invention for achieving the above object is a distillation valve installed in the pipe through which the fluid flows to control the flow of the fluid, each of the inlet and outlet ports connected to the pipe to flow through the fluid on both sides. A valve body provided with an opening at an upper side between the inlet and the outlet; A cover for shielding an opening of the valve body; A rotary shaft penetrating the cover and inserted into the valve body in a vertical state; Conical shape is formed in the valve body in the state fixed integrally to the rotating shaft and the outer peripheral surface shields the inlet and the outlet, and the passage passage for connecting the inlet and the outlet through the rotation of the rotary shaft through the conical Plug; And a rotator configured to tow the rotary shaft in a vertical state to provide a rotational force to the rotary shaft while lifting the plug to rotate the outer circumferential surface of the plug in a state spaced apart from the inlet and the outlet. The rotator includes the cover. A tubular cover sleeve which is integrally fixed to the inner end of the rotary shaft; A sleeve nut which is pivotably rotatable in the cover sleeve and has a screw part which is screwed with an end of the rotating shaft, and a sleeve nut which pivots the rotating shaft along a longitudinal direction of the screw portion while pivoting by external force; And a clutch for transmitting or blocking the rotational force of the sleeve nut to the rotation shaft to elevate the rotation shaft in a vertical state or to rotate the rotation shaft together with the sleeve nut.

The clutch is, for example, integrally provided on the rotary shaft and lifted together with the rotary shaft, and is in close contact with the bottom surface of the sleeve nut while being raised together with the rotary shaft rising along the threaded portion by the forward rotation of the sleeve nut. A forward rotation clutch configured to provide a friction force to lock the rotation shaft to the sleeve nut while rotating the rotation shaft together with the sleeve nut in a forward rotation clutch; And a portion of the rotating shaft and a portion of the sleeve nut are engaged with each other as the friction ring constituting the forward rotation clutch rises with the rotating shaft, and the rotating shaft is rotated by the reverse rotation of the sleeve nut. And a reverse rotation clutch which reversely rotates the rotation shaft together with the sleeve nut while pressing the rotation shaft through the part engaged in the locked state as it is unlocked with the nut. The reverse rotation clutch, for example, integrally protruded on one side of the sleeve nut to rotate with the sleeve nut, nut projection having an inclined surface on one side; The rotary shaft is slidably fitted in a state in which rotation is prevented and rises together with the rotary shaft, and a locking groove is formed to be fitted with the nut protrusion to be engaged with the nut protrusion through the locking groove as the rotary shaft rises, and the sleeve nut Clutch ring for rotating the rotating shaft while being pressed by the nut projection as the reverse rotation; An elastic member that is elastically supported to the clutch ring while being elastically supported in the locked state by being fitted to the rotation shaft; A guide ring interposed in the laminated state between the clutch ring and the elastic member while being slidably fitted in the rotation shaft in a prevented state, and having a guide protrusion protruding to both sides to move up or down with the rotation shaft; And a guide formed on the inner surface of the cover sleeve in such a manner that the guide protrusion of the guide ring is movably fitted and the lowering of the rotation shaft is prevented as the clutch ring is pressed by the reverse rotation of the nut protrusion. Consists of a horizontal portion for guiding the reverse rotation of the clutch ring and the rotating shaft while guiding the horizontal movement of the projection and a vertical portion connected to the orthogonal state to guide the lifting and lowering of the rotating shaft while guiding the guide projection in a vertical direction. Guide rail; can be configured to include.

The reverse rotation clutch may further include an adjuster for allowing the clutch ring provided with the locking groove to be rotatably constrained to an upper portion of the guide ring to allow position adjustment of the locking groove.

The adjuster may include, for example, a first serration provided in an uneven shape along an upper surface of the guide ring; And a second serration provided in a concave-convex shape along the bottom surface of the clutch ring to match the first serration.

The rotary dilution valve according to the present invention as described above, as the sleeve nut rotated by an external force pulls the plug while pulling the rotary shaft through the threaded portion, the plug is lifted in a vertical state, thereby preventing wear of the seat that is in close contact with the plug. As the rotational force of the sleeve nut is transmitted to the rotation shaft by the clutch, the valve body can be opened and closed while the plug is easily rotated horizontally.

In addition, the clutch is composed of a forward rotation clutch and a reverse rotation clutch so that the rotational force of the sleeve nut can be transmitted to the rotation shaft in different forms according to the rotation direction of the sleeve nut, in particular the friction ring constituting the forward rotation clutch together with the rotation shaft Since the upper surface is in close contact with the sleeve nut, the rotating shaft may be integrally locked to the sleeve nut and rotate forward with the sleeve nut.

In addition, since the locking groove of the clutch ring constituting the reverse rotation clutch and the nut protrusion of the sleeve nut are pressed together, the rotation shaft is together with the sleeve nut even when the rotation shaft and the sleeve nut are unlocked by the reverse rotation of the sleeve nut. Can be reversed.

In addition, since the clutch ring and the guide ring are rotatably constrained by the adjuster, the position of the locking groove provided in the clutch ring can be adjusted. Can match.

In addition, the adjuster is provided in the guide ring and the clutch ring, respectively, is composed of a serration that is matched with each other, it can be adjusted while rotating the position of the locking groove, it can be firmly restrained in the rotation state of the clutch ring.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a longitudinal sectional view showing a rotary damper valve according to the prior art; Fig.
Figure 2 is a longitudinal sectional view showing a rotary dilution valve according to the present invention.
3 is an enlarged cross-sectional view showing the main part of the present invention shown in FIG.
4 is an exploded perspective view showing a reverse rotation clutch of the present invention.
5 is an enlarged cross-sectional view illustrating a state in which the rotating shaft shown in FIG. 3 is raised;
Figure 6 is an operating state diagram showing the operating state of the present invention
7 is a conceptual diagram corresponding to the operating state shown in FIG.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted.

As shown in FIGS. 2 and 3, the rotary dividing valve according to the present invention includes a valve body 10, a cover 20, a rotation shaft 30, a plug 40, and a rotator RT.

The valve body 10 is a component installed on the pipe through which the fluid flows and flows through the fluid, and as shown in FIG. 2, the inlet 11 and the outlet 13 are provided at both sides, respectively, and connected to the pipe not shown. While flowing through the fluid, the opening 15 is provided on the upper side between the inlet 11 and the outlet 13.

The opening 15 is a space in which the plug 40 to be described later is embedded to interrupt the flow of the fluid, and may be formed in a cylindrical shape having an upper portion as shown in FIG. 2.

The cover 20 is coupled to the valve body 10 to shield the opening 15 as shown in Fig.

The rotating shaft 30 is a member for elevating or rotating the plug 40 to be described later. As shown in FIG. 2, the rotating shaft 30 penetrates the cover 20 and is inserted into the valve body 10 in a vertical state. Is provided.

The plug 40 is a member that is embedded in the opening 15 of the valve body 10 to interrupt the flow of fluid as described above, and is integrally fixed to the end of the rotation shaft 30 as shown in FIG. 2. It is built in the valve body 10 in a state of being rotated by the rotating shaft 30.

The plug 40 is formed in a conical shape having a downward slope as shown in FIG. 2 so that the outer peripheral surface 41 is in close contact with the ends of the inlet 11 and outlet 13, the inlet 11 and outlet 13 ) To pass through the inlet 11 and outlet 13 through a 90-degree rotation of the passageway 43 is formed through.

That is, the plug 40 is rotated 90 degrees by the rotation shaft 30 to block the flow of fluid by shielding the inlet 11 and the outlet 13 through the outer peripheral surface, or the inlet 11 through the communication path 43 And control the flow of the fluid while passing through the outlet (13).

The rotator RT pulls the rotation shaft 30 in a vertical state to provide a rotational force to the rotation shaft 30 while elevating the plug 40 so that the outer circumferential surface of the plug 40 and the end portions of the inlet 11 and the outlet 13 are separated from each other. It is a component that rotates apart. The locator RT may include, for example, a cover sleeve 50, a sleeve nut 60, and a clutch 70 as illustrated in FIG. 3.

Cover sleeve 50 is formed in a tubular shape as shown in Figure 3 is fixed to the cover 20, the end of the rotating shaft 30 and the sleeve nut 60 to be described later is built.

As shown in FIG. 3, the sleeve nut 60 is a member that rotates in a state of being screwed with the rotation shaft 30. The sleeve nut 60 is supported by a bearing 60a integrally provided on the cover sleeve 50. As it is embedded in 50, it is built in a pivotable state, and is screwed with the rotating shaft 30 through the screw part 61.

As shown in FIG. 3, the sleeve nut 60 protrudes out of the cover sleeve 50 and is connected to an unshown motor, or a handle not shown is provided to rotate the rotating shaft 30 while being rotated by an external force. Raise in the longitudinal direction of the

That is, the sleeve nut 60 raises the rotating shaft 30 along the screw portion 61 while rotating forward by the external force, and lowers the rotating shaft 30 while rotating reversely.

The clutch 70 transmits or blocks the rotational force of the sleeve nut 60 to the rotation shaft 30, thereby raising or lowering the rotation shaft 30 through the pivot rotation of the sleeve nut 60 only, or raising the rotation shaft 30. It is a component for rotating the plug 40 by rotating together with the sleeve nut (60).

The clutch 70 of the forward rotation clutch 100 and the sleeve nut 60 to rotate the plug 40 by 90 degrees by forward rotation in a state in which the rotation shaft 30 is raised through forward rotation of the sleeve nut 60. The reverse rotation clutch 200 may be configured to return the plug 40 by rotating the rotation shaft 30 through the reverse rotation.

As shown in FIG. 3, the forward rotation clutch 100 is integrally provided on the rotation shaft 30, and as shown in FIG. 5, the friction ring comes into close contact with the bottom surface of the sleeve nut 60 while being raised together with the rotation shaft 30. 110 can be configured.

As shown in FIG. 3, the friction ring 110 is supported by the fixing nut 110a integrally fastened to the rotary shaft 30 or fixed to the rotary shaft 30 in the same manner, and as shown in FIG. 5. 30, the rotating shaft 30 is locked to the sleeve nut 60 by providing a frictional force in close contact with the sleeve nut 60 by the rising of 30.

That is, the rotating shaft 30 is raised in the non-rotating state along the threaded portion 61 by the forward rotation of the sleeve nut 60, and the lifting portion is stopped as the friction ring 110 is in close contact with the sleeve nut 60, the screw portion 61 Locked in) to forward rotation with the sleeve nut (60).

Accordingly, the plug 40 passes the fluid through the water passage 43 while rotating forward while being spaced apart from the ends of the inlet 11 and the outlet 13.

At this time, the rotation shaft 30 is rotated by a rotation radius of 90 degrees while being guided upward and forward rotation by the guide ring 240 and the guide rail 250 to be described later. Of course, the rotating shaft 30 may be rotated by being rotated by the forward rotation of the sleeve nut 60 even in the absence of the guide ring 240 or the guide rail 250.

The reverse rotation clutch 200 returns the plug 40 by rotating the rotation shaft 30 together with the sleeve nut 60 as the sleeve nut 60 is reversely rotated while the rotation shaft 30 is rotated forward. As shown in FIG. 2, the rotary shaft 30 is lowered to closely contact the outer circumferential surface of the plug 40 to the ends of the inlet 11 and the outlet 13.

Here, the rotating shaft 30 is lowered along the threaded portion 61 when the sleeve nut 60 is reversely rotated in the locked state with the sleeve nut 60 by the friction ring 110 as shown in FIG. 5. As a result, the friction ring 110 is unlocked from the sleeve nut 60 as the friction ring 110 is spaced apart from the sleeve nut 60.

Specifically, as shown in FIG. 5, the reverse rotation clutch 200 is engaged with a portion of the rotation shaft 30 and the sleeve nut 60 as the rotation shaft 30 rises by the forward rotation of the sleeve nut 60. The rotary shaft 30 and the sleeve nut 60 are unlocked by reverse rotation of the sleeve nut 60, and the rotary shaft 30 is reversely rotated by pressing a part of the rotary shaft 30 through the combined portion. It is a component.

For example, the reverse rotation clutch 200 includes a nut protrusion 230, a clutch ring 210, an elastic member 220, a guide ring 240, and a guide rail 250 as shown in FIGS. 3 and 4. Can be configured.

As shown in FIG. 4, the nut protrusion 230 protrudes from the bottom surface of the sleeve nut 60 to rotate forward or reverse with the sleeve nut 60, and an inclined surface 230a is formed at the side to be described below. Is engaged with the ring 210.

The clutch ring 210 is formed in a ring shape, as shown in FIG. 4, to be slidably fitted to the rotation shaft 30, and a locking groove 211 is formed to engage with the nut protrusion 230 described above. As shown in the drawing, it is joined with the nut protrusion 230 while rising with the rotation shaft 30.

Here, as shown in Figure 4, the rotary shaft 30 is formed with protrusions 30a on the outer circumferential surface of the clutch ring 210 and the clutch ring in accordance with the groove 30b provided on the inner circumferential surface of the guide ring 240 to be described later. The 210 and the guide ring 240 are inserted in a state in which rotation is prevented, and the clutch ring 210 and the guide ring 240 are supported by the fixed nut 110a as described above.

The elastic member 220 may be configured as a coil spring as shown in FIG. 3, and provides an elastic force to the clutch ring 210 while elastically supporting the clutch ring 210 in a locked state by being fitted to the rotary shaft 30. .

That is, the nut protrusion 230 rotates in a state in which the clutch ring 210 faces the clutch ring 210 as the clutch ring 210 ascends along with the rotation shaft 30 while rotating forward with the sleeve nut 60 as shown in FIG. 7. The friction ring 110 is in close contact with the bottom surface of the sleeve nut 60 and is engaged with the locking groove 100 of the clutch ring 210.

In this case, the elastic member 220 elastically supports the clutch ring 210 to form the nut protrusion 230 and the locking groove 211 while pressing the clutch ring 210 through the elastic force.

In addition, the nut protrusion 230 pressurizes the clutch ring 210 in a state in which the nut nut 230 is engaged with the locking groove 211 as the sleeve nut 60 is reversely rotated to reversely rotate the rotation shaft 30. Let's do it.

The guide ring 240 is interposed in a stacked state between the clutch ring 210 and the elastic member 220, as shown in Figure 4, the guide protrusion 241 is formed on both sides with the rotating shaft 30 Elevate or Rotate

The guide rail 250 is provided in a groove shape on the inner surface of the cover sleeve 50 as shown in FIG. 4 to raise or lower the rotation shaft 30 as the guide protrusion 241 is movably fitted. Guide.

The guide rail 250 is composed of a vertical portion 251 and a horizontal portion 253 as shown in FIG.

As illustrated in FIG. 7, the vertical portion 251 guides the rise of the rotation shaft 30 while guiding the guide protrusion 211 in the vertical direction as the sleeve nut 60 rotates forward.

As shown in FIG. 6, the horizontal part 253 guides the guide protrusion 241 in the horizontal direction as shown in FIG. 7 as the friction ring 110 comes into close contact with the sleeve nut 60. It guides the forward rotation of the rotating shaft 30 while preventing the fall of the rotating shaft 30 as the locking groove 211 of the clutch ring 210 is pressed by the reverse rotation of the sleeve nut 60 and the nut protrusion 230. Guide the reverse rotation.

That is, the rotation shaft 30 should be lowered as it is unlocked with the sleeve nut 60 by reverse rotation of the sleeve nut 60, but the lowering is prevented by the guide protrusion 241 caught by the horizontal portion 253. The nut is rotated while being pressed in the horizontal direction by the protrusion 230.

On the other hand, the reverse rotation clutch 200 may be configured to further include an adjuster 260 to allow the position adjustment of the locking groove 211 provided in the clutch ring (210).

As illustrated in FIG. 6, the locking groove 211 should be in close contact with the bottom surface of the sleeve nut 60 at the same time as the friction ring 110 and the nut protrusion 230. If the friction ring 110 is first in close contact with the sleeve nut 60, the guide protrusion 241 is caught by the vertical portion 251, so that the rotation of the rotation shaft 30 is impossible, and the locking groove 211 is provided. In the case where the nut protrusion 230 is first mated with the nut protrusion 230, the guide protrusion 241 may not be able to raise the rotation shaft 30, and thus, operation thereof may be impossible.

Specifically, the adjuster 260 is a component that adjusts the position of the locking groove 211 by rotatably restricting the clutch ring 210 to the upper surface of the guide ring 240, for example, as shown in FIG. A first serration 261 provided in the form of irregularities along the upper surface of the guide ring 240 and a second serration provided in the form of the irregularities on the bottom surface of the clutch ring 210 to be matched with the first serration 261 ( 263).

That is, the clutch ring 210 may be stacked in a state in which the clutch ring 210 is matched to the guide ring 240 through the first and second serrations 261 and 263, and when the position of the locking groove 211 is adjusted, the rotation shaft ( After being separated and rotated at 30, the first and second serrations 261 and 263 are matched with the guide ring 240 again.

The operation and operation of the present invention including the above-described components will be described.

As shown in FIG. 2, the plug 40 is rotated forward by the sleeve nut 60 in a state of shielding the inlet 11 and the outlet 13, and the inlet 11 and the outlet 13 are provided through the water passage 15. Pass).

Rotating shaft 30 is spaced apart from the end of the inlet 11 and outlet 13 of the outer peripheral surface of the plug 40 while rising along the threaded portion 61 by the forward rotation of the sleeve nut (60).

At this time, the guide protrusion 241 ascends along the vertical portion 251 of the guide rail 250, as shown in Figure 6 and 7 (b) to guide the rise of the rotation shaft 30, and at the same time the clutch The ring 210 slides while facing the nut protrusion 230 that rotates forward.

Specifically, the nut protrusion 230 rotates forward with the clutch ring 210 facing the clutch ring 210 as shown in FIG. 7B as the clutch ring 210 is pressed by the elastic member 220, and continues. As shown in (c) of FIG. 7, the positive rotation rotates along the locking groove 211 through the inclined surface 230a to be engaged with the locking groove 211.

At this time, the friction ring 110 is raised with the rotary shaft 30 as shown in (d) of FIG. 6 and in close contact with the bottom surface of the sleeve nut 60 to lock the rotary shaft 30 to the sleeve nut 60 The guide protrusion 241 allows forward rotation of the rotation shaft 30 while entering the horizontal portion 253 from the vertical portion 251 of the guide rail 250 as illustrated in FIG. 7C.

Accordingly, as shown in (d) of FIG. 7, the rotation shaft 30 rotates forward with the clutch ring 210 forward while rotating forward with the sleeve nut 60, and rotates the plug 40 forward to inlet 11. And discharge port 13 is passed through.

On the other hand, the plug 40 is returned to its original position by the reverse rotation by the sleeve nut 60, and then descends to close the inlet 11 and outlet 13 while blocking the flow of the fluid.

At this time, the rotating shaft 30 is slightly lowered along the threaded portion 61 by the reverse rotation of the sleeve nut 60, whereby the friction ring 110 as shown in Figure 6 and 7 (c) sleeve It is unlocked with the sleeve nut 60 as it is spaced apart from the nut 60.

And, as shown in (d) and (c) of Figure 7 the rotation shaft 30 is the clutch ring 210 is pressed by the nut projection 230 is fitted to the engaging groove 211, while the plug is rotating in reverse Reverse (40).

At this time, the guide protrusion 241 guides the reverse rotation of the rotating shaft 30 while moving along the horizontal portion 253 of the guide rail 250 as shown in (d) and (c) of FIG. After rotating the 40 to 90 degrees to enter the vertical portion 251 allows the lowering of the rotating shaft (30).

Accordingly, the rotating shaft 30 is lowered vertically as shown in FIGS. 7B and 7A by the continuous reverse rotation of the sleeve nut 60, thereby moving the outer circumferential surface of the plug 40 to the inlet 11. ) And the outlet 13.

According to the rotary dividing valve according to the present invention as described above, the plug 40 as the sleeve nut 60 rotated by an external force pulls the plug 40 while pulling the rotary shaft 30 through the threaded portion (61) Is raised and lowered in a vertical state to prevent abrasion of the seat in close contact with the plug 40, the plug 40 is raised as the rotational force of the sleeve nut 60 is transmitted to the rotating shaft 30 by the clutch 70 The valve body 10 can be opened and closed while being easily rotated horizontally.

In addition, the clutch 70 is composed of the forward rotation clutch 100 and the reverse rotation clutch 200, the rotational force of the sleeve nut 60 in accordance with the rotation direction of the sleeve nut 60 can be transmitted to the rotary shaft in different forms. In particular, since the friction ring 110 constituting the forward rotation clutch 100 is in close contact with the sleeve nut 60 while being raised together with the rotation shaft 30, the rotation shaft 30 is integrally locked to the sleeve nut 60. It can be rotated forward with the sleeve nut 60.

In addition, since the locking groove 211 of the clutch ring 210 constituting the reverse rotation clutch 200 and the nut protrusion 230 of the sleeve nut 60 are pressed in a state of being engaged, the reverse rotation of the sleeve nut 60 is performed. Even when the rotary shaft 30 and the sleeve nut 60 are unlocked by the rotary shaft 30, the rotary shaft 30 may be reversely rotated together with the sleeve nut 60.

In addition, since the clutch ring 210 and the guide ring 240 are rotatably constrained by the adjuster 260, the position of the locking groove 211 provided in the clutch ring 210 may be adjusted, and thus the nut protrusion 230 may be used. ) And the engagement groove 211 may be matched with the timing when the friction ring 110 is in close contact with the sleeve nut (60).

In addition, since the adjuster 260 is composed of serrations 261 and 263 provided in the guide ring 240 and the clutch ring 210, respectively, to be matched with each other, the adjusting grooves 211 are adjusted while rotating the position of the locking groove 211 step by step. The clutch ring 210 may be firmly constrained in the rotated state.

While specific embodiments of the present invention have been described above by way of example, these are for illustrative purposes only and are not intended to limit the protection scope of the present invention. It will be apparent to those skilled in the art that various changes, substitutions, and alterations can be made therein without departing from the spirit of the invention.

10: valve body 11: inlet
13: outlet 15: opening
20: cover 30: rotating shaft
40: plug 43: water passage
50: cover sleeve 60: sleeve nut
61: thread 70: clutch
100: forward clutch 110: friction ring
200: reverse clutch 210: clutch ring
211: locking groove 220: elastic member
230: nut projection 230a: inclined surface
240: guide ring 241: guide protrusion
250: guide rail 251: vertical portion
253: horizontal portion 260: adjuster

Claims (5)

A dilution valve installed in the pipe through which the fluid flows to control the flow of the fluid.
A valve body connected to the piping and having an inlet and an outlet for flowing the fluid therethrough on both sides thereof and having an opening at an upper side between the inlet and the outlet;
A cover for shielding an opening of the valve body;
A rotary shaft penetrating the cover and inserted into the valve body in a vertical state;
Conical shape is formed in the valve body in the state fixed integrally to the rotary shaft and the outer peripheral surface shields the inlet and the outlet, and the passage passage for connecting the inlet and the outlet through the rotation of the rotary shaft through the conical Plug; And
And a rotator configured to tow the rotary shaft in a vertical state to provide a rotational force to the rotary shaft while lifting the plug to rotate the outer circumferential surface of the plug in a state spaced apart from the inlet and the outlet.
The rotator,
A tubular cover sleeve which is integrally fixed to the cover and in which an end of the rotating shaft is embedded;
A sleeve nut which is pivotably rotatable in the cover sleeve and has a screw part which is screwed with an end of the rotating shaft, and a sleeve nut which pivots the rotating shaft along a longitudinal direction of the screw portion while pivoting by external force; And
And a clutch for transmitting or blocking the rotational force of the sleeve nut to the rotating shaft to elevate the rotating shaft to a vertical state or to rotate the rotating shaft together with the sleeve nut. The method of claim 1, wherein the clutch,
It is provided integrally with the rotating shaft and is moved up and down together with the rotating shaft, and is in close contact with the bottom surface of the sleeve nut while ascending with the rotating shaft rising along the threaded portion by the forward rotation of the sleeve nut, providing a frictional force in close contact with the A forward rotation clutch composed of a friction ring for rotating the rotation shaft together with the sleeve nut while locking the rotation shaft to the sleeve nut; And
As the friction ring constituting the forward rotation clutch rises together with the rotation shaft, a part of the rotation shaft and a part of the sleeve nut are engaged with each other, and the rotation shaft is rotated by the reverse rotation of the sleeve nut. And a reverse rotation clutch which reversely rotates the rotating shaft together with the sleeve nut while pressing the rotating shaft through the part engaged in the locked state. The method of claim 2, wherein the reverse rotation clutch,
A nut protrusion integrally formed on one side of the sleeve nut to rotate together with the sleeve nut and having an inclined surface on one side;
The rotary shaft is slidably fitted in a state in which rotation is prevented and rises together with the rotary shaft, and a locking groove is formed to be fitted with the nut protrusion to be engaged with the nut protrusion through the locking groove as the rotary shaft rises, and the sleeve nut Clutch ring for rotating the rotating shaft while being pressed by the nut projection as the reverse rotation;
An elastic member that is elastically supported to the clutch ring while being elastically supported in the locked state by being fitted to the rotation shaft;
A guide ring interposed in the laminated state between the clutch ring and the elastic member while being slidably fitted in the rotation shaft in a prevented state, and having a guide protrusion protruding to both sides to move up or down with the rotation shaft; And
The guide protrusion is provided on the inner surface of the cover sleeve in a groove shape so that the guide protrusion of the guide ring is movably fitted, and the guide protrusion is prevented from falling down as the clutch ring is pressed by the reverse rotation of the nut protrusion. A guide comprising a horizontal portion for guiding the reverse rotation of the clutch ring and the rotating shaft while guiding a horizontal movement of the vertical portion, and a vertical portion connected to the horizontal portion at an orthogonal state to guide the lifting and lowering of the rotating shaft while guiding the guide protrusion in a vertical direction. Rotary dilution valve comprising a rail. The method of claim 3, wherein the reverse clutch,
And a adjuster for rotatably constraining the clutch ring provided with the locking groove to an upper portion of the guide ring to allow position adjustment of the locking groove. The method of claim 4, wherein the adjuster,
A first serration provided in an uneven shape along an upper surface of the guide ring; And
And a second serration provided in a concave-convex shape along the bottom surface of the clutch ring to match the first serration.

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