KR20130021890A - A valve apparatus - Google Patents

Abstract

PURPOSE: A valve apparatus is provided to properly control the flow quantity of fluids by controlling the degree of opening and closing according to the number of times pressing a press unit. CONSTITUTION: A valve apparatus comprises a valve body, an opening and closing member(120), a press unit(130), a push spring(140) and a returning spring(150). The valve body has a conduit line including an inlet and an outlet, a first groove part and a second groove part respectively formed on a first and a second direction which are opposite from each other to intersect the conduit line. The opening and closing member are installed in between the first and the second grooves to be shuttled between the first and the second grooves and has a flow path hole connecting the conduit line according to the installation posture. The press unit is installed on the first groove part to push the opening and closing member to move towards to the second groove part. The push spring is installed in between the press unit and the opening and closing member to return the press unit to the initial position. The returning spring is installed on the second groove portion, pressurizes the opening and closing member to the first groove part and has a bigger elastic force than the push spring.

Description

Valve device {A VALVE APPARATUS}

The present invention relates to a valve for controlling the flow of the fluid, and more particularly to a valve device that can selectively control the flow of the fluid by the pressing operation.

In general, the valve is installed in a pipeline, a container, or the like, and is a device for controlling the flow rate or pressure of a fluid, and is widely used in various structures and forms such as a ball valve, a stop valve, a gate valve, and a check valve.

Among these, the ball valve is used to control the pressure or flow rate of the supply fluid in a place requiring a constant hydraulic pressure or air pressure, such as a water pipe, a city gas pipe, or a refrigerant pipe of a refrigerating device because of its simple structure and low cost. Inside the main body of the valve device is a ball-type disk for opening and closing the flow path formed with a through hole penetrating the center, there is provided an adjustment knob for rotating the ball-type disk in the flow path, the flow path is opened in accordance with the rotation of the adjustment knob Or close the configuration.

In addition, in the case of the ball valve, there is a problem that it is difficult to prevent the back flow of the fluid, the check valve for preventing the flow of the back flow of the fluid as needed is further provided separately.

However, there is a problem in that the installation cost is increased by installing each of the ball valve and the check valve in a single pipeline, and excessive costs and personnel are required for management and maintenance work.

In order to solve this problem, a ball valve with a check valve has been proposed.

1 is a block diagram showing a configuration of a conventional ball valve built-in check valve, as shown, the handle 2 is installed on the upper side of the body 1, and installed inside the body 1 and the center Is passed through the ball valve body (3) having a flow path (3a) and the check valve is provided inside the ball valve body (3) to block one side of the open flow path (3a) of the ball valve body (3) It consists of the sieve 4.

The check valve body 4 is comprised of the sliding part 4a drawn in the inside of the guide part 5 provided in the inside of the body 1, and the flow path opening-and-closing part 4b which blocks the open flow path 3a. A spring 6 fitted to the outer surface of the guide portion 5 is provided on the rear side of the flow path opening and closing portion 4b of the valve valve body 4.

Therefore, when the flow path 3a of the ball valve body 3 is opened as the handle 2 is turned, fluid flows into the inlet 1a side of the body 1 inside the flow path 3a of the ball valve body 3. The check valve body 4 is opened by the pressure of the fluid drawn in, and the fluid introduced into the inlet portion 1a side of the body 1 opens the flow path 3a of the open ball valve body 3. Gina is discharged to the discharge portion (1a) side of the body (1).

In addition, the back flow of the fluid flowing along the inside of the body 1 is prevented by the check valve body 4 provided in the inside of the ball valve body 3.

Such a conventional ball valve is provided with a check valve, the check valve is further provided therein, to prevent the back flow of the flowing fluid and as the check valve is provided in the ball valve in accordance with the ball valve in one conduit The problems caused by installing the and check valves, respectively, can be solved.

However, in the case of the conventional valve, since the means for blocking or opening the pipeline of the valve is configured as a rotary knob, there is a problem that frequent breakdown of the valve occurs due to breakage of the knob when the user forcibly turns the knob.

In addition, since the opening range of the conduit is adjusted by the rotary knob, there is a problem that can not adjust the opening range of the appropriate conduit, there is a problem that the usability is greatly reduced.

In addition, since it is made of a complex configuration, there is a problem of feeling a burden on the cost by bringing an increase in production cost.

The present invention has been made in view of the above, and has an object to provide a valve device having a simple configuration and capable of opening and closing a valve by a pressing operation.

The valve device of the present invention for achieving the above object, the valve body having a conduit having an inlet and an outlet, and a first groove and a second groove formed in each of the first and second directions opposite to each other so as to intersect the conduit. Wow; An opening / closing member installed to be reciprocally moved between the first and second grooves, the opening and closing member having a flow path hole communicating the pipe line according to an installation posture; A pressing unit installed in the first groove to move the opening / closing member toward the second groove; A push spring installed between the pressing unit and the opening / closing member to return the pressing unit to an initial position; A return spring installed on the second groove to elastically press the opening / closing member toward the first groove, and having a resilient force greater than that of the push spring, wherein a stopper protrusion having an inclined surface is formed inside the first groove; The second groove portion is provided with a direction turning projection having an asymmetrical inclined surface on the stop projection, the opening and closing member has a first guide projection corresponding to the stop projection is formed on the upper portion, the lower portion corresponding to the direction turning projection Characterized in that the second guide projection is formed.

Here, the first guide protrusion is formed with an inclined surface relatively in contact with the inclined surface of the stop projection, the second guide protrusion is formed with an inclined surface for rotating the opening and closing member while contacting the inclined surface of the direction turning projection. It is preferable.

In addition, the pressing unit, one end is exposed to the outside of the first groove, the pressing handle is inserted into the first groove and connected to the opening and closing member; A connection member installed between the push knob and the push spring and having a flange portion for supporting the push spring; And a washer installed between the connection member and the opening and closing member.

In addition, the connection member is installed between the opening and closing member and the return spring in the second groove portion, and having a flange portion for supporting the return spring; It is preferable to include a; washer installed between the connecting member and the opening and closing member.

In addition, the inner surface of the valve body is a friction protrusion for providing a friction force is formed, the outer peripheral surface of the opening and closing member is preferably formed with a friction groove relatively coupled to the friction projection.

In addition, the pressing unit, the pressing handle of the upper portion is exposed to the outside of the first groove portion, the lower coupling tube portion is inserted into the first groove portion and the push handle is installed so as to reciprocate in and out; It is connected to the push handle so as to be reciprocated, the end is coupled to the opening and closing member and rotated with the opening and closing member, the mark plate portion with a closing mark and an opening mark for displaying the opening and closing state of the opening and closing member at the top Opening and closing state display member is provided; And a washer installed between the mark plate portion and the pressing handle, wherein the push spring is installed between the washer and the pressing handle, and the closing mark and the opening mark may be identified outside the pressing handle. .

According to the valve device of the present invention, as the opening and closing member is lowered by the pressing operation of the pressing unit, the passage hole communicates with the conduit to solve the problem of the conventional rotary knob structure of the valve.

In addition, it is possible to control the opening and closing degree of the valve in accordance with the number of times of pressing the pressing unit, it is possible to appropriately control the amount of movement of the fluid, it is easy to adjust the pipeline.

In particular, the valve device of the present invention has the advantage of lowering the production cost because its components are simple, the number of parts is small.

In addition, by configuring the opening and closing state of the valve by the pressing operation of the pressing unit from the outside through the opening and closing state display member, the user can use the valve device more conveniently, it is possible to prevent the malfunction.

1 is a schematic view showing a conventional valve.
Figure 2 is a schematic diagram showing a valve device according to an embodiment of the present invention.
3a to 3c are views for explaining the operation of the valve device according to an embodiment of the present invention.

Hereinafter, a valve device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 to 3C, the valve device 100 according to the embodiment of the present invention includes a tubular valve body 110 having a fluid inlet 111 and an outlet 112, and a valve body 110. The opening and closing member 120 and the opening and closing member 120 having a flow path ball 121, a pressing unit 130 for pressing the opening and closing member 120, and the opening and closing member 120 are provided. A push spring 140 elastically pressing in one direction (downward direction) and a return spring 150 elastically pressing the opening / closing member 120 in a second direction (upward direction) opposite to the first direction. do.

The valve body 110 has a conduit 113 having an inlet 111 and an outlet 112, and is formed to protrude out of the conduit 113 at positions symmetrical with each other in a direction crossing the conduit 113. It has a first groove 114 and a second groove 115.

A stop protrusion 116 is formed on an inner side surface of the first groove 114, and a direction turning protrusion 117 is formed on an inner side of the second groove 115. Each of the stop projections 116 and the turning projections 117 are formed asymmetrically with each other, and each has an inclined surface 116a and 117a.

The opening and closing member 120 is installed to reciprocate between the first and second grooves 114 and 115, and a flow path 121 is formed at a central portion based on both ends. According to the rotational state of the opening and closing member 120, the flow path 121 is positioned to be in communication with the conduit 113 or in a position that is shifted to determine the opening and closing position of the flow path 121 to control the movement of the flow path. It becomes possible.

The first guide protrusion 122 corresponding to the stop protrusion 116 is formed to protrude upward, and the second guide protrusion 123 corresponding to the conversion protrusion 117 is formed at an upper portion of the opening and closing member 120. It is formed to protrude downward. The first and second guide protrusions 122 and 123 are formed in asymmetrical shapes. The first guide protrusion 122 has an inclined surface 122a corresponding to the inclined surface 116a of the stop protrusion 116, and the second guide protrusion 123 corresponds to the inclined surface 117a of the switching protrusion 117. It has an inclined surface 123a.

The opening and closing member 120 having the above configuration is normally positioned in close contact with the upper portion, that is, toward the first groove 114 by the spring force of the return spring 140, in which the first guide protrusion 122 stops ( 116 is engaged in an engaged state and the posture is fixed. And when pressed by the pressing unit 130, the opening and closing member 120 is lowered toward the second groove 115, the second guide protrusion 123 is guided to the switching projection 117, each inclined surface (123a) ( As the 117a contacts and guides, the opening / closing member 120 is rotated at a predetermined angle. That is, according to the inclination angles and lengths of the inclined surfaces 123a and 117a, the opening and closing member 120 is pressed once by a predetermined angle. As such, when the pressing member 130 is released while the opening / closing member 120 is rotated by a predetermined angle, the opening / closing member 120 is raised by the spring force of the return spring 150 to the first groove 114. It is in place. At this time, the opening and closing member 120 ascends as it is rotated by a predetermined angle by the switching projection 117 when descending, so that the first guide protrusion 122 is fixed by the fixing protrusion 116, so that it can be maintained in the rotated state. do. Therefore, the area in which the flow path 121 communicates with the conduit 113 is determined by the angle at which the opening / closing member 120 is rotated, so that a certain amount of fluid can be opened through the flow path 121.

In addition, the second guide protrusion 123 and the turning projection 117 may be formed such that the opening / closing member 120 is rotated at an angle of 90 degrees by a single pressing operation, and at a 90 degree angle by a plurality of pressing operations. The second guide protrusion 123 and the turning projection 117 may be formed to be rotated. Therefore, the passage hole 121 may be opened and closed by one pressing operation, and the opening or closing degree of the passage hole 121 may be controlled to be increased or decreased in steps over a plurality of times.

On the other hand, the pressing unit 130 is provided with a pressing handle 131, a connecting member 132 and a washer 133 installed between the pressing handle 131 and the upper portion of the opening and closing member 120.

The pressing handle 131 is installed so that the upper end is exposed to the outside of the first groove 114, the lower end is inserted into the first groove 114. The upper end of the connection member 132 is fitted to the lower end of the pressing knob 131, the lower end of the connection member 132 is fitted into the coupling hole 124 formed in the center of the upper end of the opening and closing member 120. An annular flange portion 132a is formed at the center portion of the connecting member 132 to separate the push spring 140 and the washer 133 between the lower end of the pressing knob 131 and the upper portion of the opening / closing member 120. It is a supportive role. The washer 133 serves to prevent slippage of the push spring 140 and the connecting member 132. The push spring 140 is to return to the original position (the push knob is protruded outward again) from the pressing unit 130 is pressed, and has a smaller spring force than the spring force of the return spring 150. . Therefore, by the push spring 140, only the pressing unit 130 is returned to the initial position without being moved downward, that is, toward the second groove 115, the spring force of the return spring 150 By doing so, the entire part including the opening and closing member 120 can be maintained in a state pushed toward the first groove 114.

The return spring 150 is installed inside the second groove 115, and a washer 161 and a connection member 163 are further installed between the return spring 150 and the lower portion of the opening / closing member 120. The connecting member 163 has a circular flange portion 163b formed on the outer circumference of the rod-shaped body 163a to support the return spring 150 and the washer 151 on the flange portion 163a.

In addition, the inner surface of the valve body 110, that is, the inner surface of the first groove 114, the friction projection 171 for providing a friction force is formed to protrude, the opening and closing member to be coupled to the friction projection 171. The outer circumferential surface of the 120 is preferably formed so that the friction groove 172 is drawn. Accordingly, the friction protrusion 171 is fitted into the friction groove 172 at the initial position where the opening and closing member 120 is pushed up into the first groove 114 as shown in FIGS. 3A and 3C, thereby opening and closing the member ( The friction force acts between the valve 120 and the valve body 110 to prevent the opening / closing member 120 from being rotated or shaken by the force of the fluid moving through the conduit 113 so that the moving amount of the fluid is kept constant. can do. The friction groove 172 is preferably formed in a plurality at regular intervals in the circumferential direction on the outer circumference of the opening and closing member 120.

According to the valve device 100 according to the embodiment of the present invention having the above configuration, while the opening and closing member 120 is lowered by the pressing operation of the pressing unit 130 while the flow path 121 is in communication with the pipe line conventional rotary knob The problem with the valve of a structure can be solved.

In addition, it is possible to control the opening and closing degree of the valve in accordance with the number of times of pressing the pressing unit 130, it is possible to appropriately control the movement amount of the fluid, it is easy to adjust the pipeline.

In particular, the valve device 100 of the present invention has the advantage of lowering the production cost because its components are simple, the number of parts is small.

In addition, referring to FIG. 4, the valve device 100 ′ according to another exemplary embodiment of the present invention has an open / closed state display member 135 for displaying the rotational position of the open / close member 120, that is, the open / closed state of the valve from the outside. It is characterized in that it comprises a pressing unit (130 ') including.

The pressing unit 130 ′ includes a pressing handle 131 ′, an open / close state display member 135, and a washer 133.

 The pressing handle 131 ′ is installed to be elevated in the first groove 114 of the valve body 110, and the coupling pipe part 131a at the lower portion thereof is elevated in the first groove 114 of the valve body 110. Possibly combined. At this time, the pressing handle (131 ') can be raised and lowered only with respect to the valve body 110, and the coupling pipe portion (131a) is formed in a non-circular shape so that the rotational movement can be suppressed, or the rotating movement is guided to the outer surface thereof. A guide rib r for suppressing may be formed. The handle 131b at the upper end of the pressing knob 131 'is installed to protrude outward from the valve body 110, and at a predetermined interval, the transparent window so as to check the mark displayed on the opening state display member 135 from the outside. 131c may be provided. In addition, the pressing handle 131 ′ may be formed of a transparent material without providing the transparent window 131c, so that the state of the open / close state display member may be confirmed from the outside.

Therefore, the pressing knob 131 ′ is installed only to move up and down, and is operated independently from the open / close state display member 135.

The opening and closing state display member 135, the lower connection bar (135a) is coupled to the upper surface of the opening and closing member 120 is rotated together, the mark plate portion (135b) provided on the upper end of the connection bar (135a) Closed and open indication marks 136a and 136b are provided. As shown in FIG. 5, the mark plate 135b may be installed to be inserted into the handle 131b of the push knob 131 '. The opening and closing state display member 135 is rotated together when the opening and closing member 120 is rotated, and is operated together with the pressing knob 131 'only during the lifting movement.

In the mark plate 135b, a closing mark 136a and an opening mark 136b for indicating opening and closing of the valve are respectively symmetric with respect to the flow path 121 of the opening / closing member 120, respectively. Is installed on. That is, the closing mark 136a and the opening mark 136b are provided alternately at 90 degree angle intervals. Therefore, the opening mark 136b is provided at a corresponding position of the passage hole 121 of the opening and closing member 120, and the closing mark 136a is positioned asymmetrically with the passage hole 121, that is, the opening mark 136b and 90. Degrees are provided at respective angled positions.

In this way, by connecting the opening and closing state display member 135 to the opening and closing member 120 to rotate together, when the opening and closing member 120 is rotated by the pressing operation of the pressing unit (130 '), the opening and closing operation of the mark plate portion Also, by rotating the 135b, the user can, for example, check the position of the closing mark 136a and the opening mark 136b and the position of the conduit 111 which are displayed to the outside through the transparent pressing knob 131 '. Like the state of, it is easy to check whether it is open state or closed state.

Here, the washer 133 is installed between the mark plate part 135b and the pressing knob 131 ', and a push spring 140 is installed between the washer 133 and the pressing knob 131'.

4 and 5, the same reference numerals are given to the same components as those described with reference to FIGS. 2 to 3C, and thus, detailed descriptions thereof will be omitted.

As shown in Figure 4 and 5, according to the valve device 100 'according to another embodiment of the present invention, the opening and closing operation of the valve can be easily operated by a push button type, opening and closing by this pressing operation By configuring the status so that it can be easily checked from the outside, the user can conveniently use it without malfunctioning.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims.

100,100'.Valve device 110.Valve body
120. Opening and closing member 130,130 '.. Pushing unit
140 .. push-spring 150 .. return spring

Claims (6)

A valve body having a conduit having an inlet and an outlet, and first and second grooves respectively formed in first and second directions opposite to each other so as to intersect the conduit;
An opening / closing member installed to be reciprocally moved between the first and second grooves, the opening and closing member having a flow path hole communicating the pipe line according to an installation position;
A pressing unit installed in the first groove to move the opening / closing member toward the second groove;
A push spring installed between the pressing unit and the opening / closing member to return the pressing unit to an initial position;
And a return spring installed on the second groove to elastically press the opening / closing member toward the first groove and having an elastic force greater than that of the push spring.
A stop protrusion having an inclined surface is formed inside the first groove, and the direction turning protrusion having an asymmetric inclined surface is formed in the stop groove.
The opening and closing member is a valve device, characterized in that the first guide projection corresponding to the stop projection is formed in the upper portion, the lower portion is formed with a second guide projection corresponding to the direction turning projection. The method of claim 1,
The first guide protrusion is formed with an inclined surface that is relatively in contact with the inclined surface of the stop projection,
The second guide protrusion has a valve device, characterized in that the inclined surface is formed to rotate the opening and closing member while contacting the inclined surface of the direction turning projection. According to claim 1 or 2, wherein the pressing unit,
A push knob having one end exposed to the outside of the first groove and inserted into the first groove to be connected to the opening / closing member;
A connection member installed between the push knob and the push spring and having a flange portion for supporting the push spring; And
The washer is installed between the connecting member and the opening and closing member; valve device comprising a. The method according to claim 1 or 2,
A connection member installed between the opening and closing member and the return spring in the second groove and having a flange part supporting the return spring;
The washer is installed between the connecting member and the opening and closing member; valve device comprising a. The method according to claim 1 or 2,
The inner side of the valve body is provided with a friction protrusion protruding friction,
Valve device, characterized in that the outer peripheral surface of the opening and closing member is formed with a friction groove relatively coupled to the friction projection. According to claim 1 or 2, wherein the pressing unit,
A push handle of an upper portion exposed to the outside of the first groove, and a lower coupling pipe portion inserted into the first groove and installed to reciprocate in and out;
It is connected to the push handle so as to reciprocate, the end is coupled to the opening and closing member and rotated with the opening and closing member, the mark plate portion is displayed on the top and the closing mark and the opening mark for displaying the open and closed state of the opening and closing member Opening and closing state display member is provided; And
And a washer installed between the mark plate portion and the pressing handle.
The push spring is installed between the washer and the push knob,
The closing mark and the opening mark valve device, characterized in that can be confirmed from the outside of the pressing handle.

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