KR100856735B1 - Manual valve apparatus including locking means - Google Patents

Abstract

The present invention relates to a manual valve device having locking means, and in more detail, in a normally open or normally open manual valve, to prevent the artificial manipulation of the handle by a third party other than the administrator. The invention relates to a manual valve having a handle preventing cap form in the upper part of the handle and locking means as a locking device for fastening the handle and the lower body of the valve without rotation.

Manual valve according to an embodiment of the present invention relates to a manual valve having a locking device for preventing the rotation of the handle portion of the manual valve to maintain the final installation state,

It can be rotated to open and close the diaphragm of the manual valve, the handle portion is formed in the shape of gears in the lower body portion, the diaphragm is accommodated therein to form a flow path, a plurality of protrusions on the surface in contact with the handle portion Of the valve of the circular ring-shaped valve is inserted between the lower portion of the valve body is formed, the recessed portion formed in the lower portion of the handle portion and the plurality of protrusions formed in the upper portion of the valve lower body portion to fix the handle portion does not rotate Anti-rotation locking means.

Manual valve, locking device, normally closed, normally open

Description

Manual valve device with locking means {MANUAL VALVE APPARATUS INCLUDING LOCKING MEANS}

1 is a perspective view of a manual valve device having a locking means according to an embodiment of the present invention;

2 is a cross-sectional view of the manual valve device shown in FIG.

3A is an exploded perspective view of the manual valve device shown in FIG. 1;

3B is a partially enlarged perspective view for explaining a fastening state of the valve handle rotation preventing locking means in the exploded perspective view shown in FIG. 3A;

Figure 4a is a view showing in detail the configuration and function of the anti-rotation cap as the first means for preventing the handle rotation of the manual valve shown in FIG.

Figure 4b is a view showing another modification of the anti-rotation cap shown in Figure 4a,

5A is a perspective view of the valve handle anti-rotation locking means as second means for preventing the handle rotation of the manual valve shown in FIG. 1;

5B is a plan view of the locking means shown in FIG. 5A,

6 is a view showing a pin insertion fixing method for preventing the handle rotation of the conventional manual valve.

<Explanation of symbols for main parts of the drawings>

100: manual valve device 110: handle portion

120: transparent cap for preventing handle rotation 127: stopper

150: valve body 151: groove

200: locking device for preventing rotation of the handle

The present invention relates to a manual valve device having locking means, and more particularly, to a manual valve, which is normally open or normally open, for artificial manipulation or vibration of a handle by a third party other than an administrator. It relates to a manual valve having a handle anti-rotation cap shape in the upper portion of the handle and locking means as a locking device to securely fasten the handle and the lower body of the valve to prevent rotation of the handle.

In general, the manual valve (Manual Valve) is to control by opening or closing the flow of the fluid, such as water, chemical liquid, gas manually. Such manual valves have been used in various forms in various fields.

These manual valves are used in chemical manufacturing process, semiconductor manufacturing process, and food manufacturing process. These manual valves are always open or always closed because they manually control a handle to control the fluid. If closing is performed by a third party other than the manager, it may lead to an accident, so a handle anti-rotation device must be attached to prevent the operation except the manager. On the other hand, such a normally open or normally closed manual valve must also include a function of quickly releasing the locking device to close or open the valve in the event of an emergency or failure.

6 is a view showing a pin insertion fixing method for preventing the handle rotation of the conventional manual valve.

As shown in FIG. 6, the conventional manual valve 10 is provided with pin insertion holes 12 and 14 in the handle 11 and the valve body 13, respectively, and the pin members are provided in the holes 12 and 14. By inserting and fixing (15), it is comprised by the structure which 3rd parties other than a manager cannot operate a handle. Here, the pin member 15 is not installed in the form of a general screw, but is installed and attached using a jig such as a special wrench.

The manual valve to which the conventional anti-rotation device is attached is not clearly opened or closed, and since the pin member 15 can be removed only by the jig, it is possible to respond quickly to an emergency such as leakage on the piping line. The disadvantage is that it can't be.

In view of the above-mentioned problems in the prior art, the purpose of the manual valve having the locking means according to the embodiment of the present invention is to maintain the final installation state of the valve in the handle portion of the valve, When the handle is rotated, the handle handle is difficult or prevents rotation, nevertheless, when the handle is forcibly rotated, the transparent cap is broken so that the handle can be easily visually discerned to be arbitrarily rotated. It is for providing a prevention means.

In addition, the purpose of the manual valve having a locking means according to an embodiment of the present invention is to form an uneven portion corresponding to the handle portion and the main body portion of the valve, respectively, corresponding to the uneven portion corresponding to the handle portion and the main body portion By engaging the locking means including the uneven portion, it is to provide a valve handle rotation preventing means made of a structure that can prevent the handle portion of the valve artificially rotated, and can easily install and release the locking means.

In addition, the purpose of the manual valve having a locking means according to an embodiment of the present invention is a transparent cap that is damaged when the handle of the valve by the third party or vibration as described above, between the handle and the body portion By simultaneously providing locking means for preventing the handle of the valve from being manipulated at random, the handle operation cannot be operated arbitrarily, and if any operation is made, the fact that the handle has been arbitrarily operated due to the breakage of the cap is facilitated. It is to provide a means that can be determined.

Manual valve according to an embodiment of the present invention relates to a manual valve having a locking device for preventing the rotation of the handle portion of the manual valve to maintain the final installation state,

It can be rotated to open and close the diaphragm of the manual valve, the handle portion is formed in the shape of gears in the lower body portion, the diaphragm is accommodated therein to form a flow path, a plurality of protrusions on the surface in contact with the handle portion Of the valve of the circular ring-shaped valve is inserted between the lower portion of the valve body is formed, the recessed portion formed in the lower portion of the handle portion and the plurality of protrusions formed in the upper portion of the valve lower body portion to fix the handle portion does not rotate Anti-rotation locking means.

In addition, the manual valve according to another embodiment of the present invention relates to a manual valve having a locking device for preventing the rotation of the handle portion of the manual valve to maintain the final installation state,

A plurality of notches that can be inserted and fixed to the handle portion and a protrusion for accommodating the stopper are formed in the center portion, and are adopted in a normally open manual valve configured to be damaged when the handle is rotated by a predetermined force or more. Transparent cap,

A stopper fastened to an upper end of a shaft fixed to the handle part and configured to be inserted into the transparent cap,

A handle part which may be rotated to open and close the diaphragm of the manual valve, and the uneven part is formed in a gear shape at the lower main body part,

A valve lower body part accommodating a diaphragm therein to form a flow path and a plurality of protrusions formed on a surface in contact with the handle part;

And a handle anti-rotation locking means of a foldable circular ring-shaped valve inserted between a recessed portion formed in the lower portion of the handle portion and a plurality of protrusions formed in the upper portion of the valve lower body portion to fix the handle portion so as not to rotate. .

In another embodiment of the present invention, the stopper preferably comprises a stop cap and a wrench bolt.

In addition, the manual valve according to another embodiment of the present invention relates to a manual valve having a locking device for preventing the rotation of the handle portion of the manual valve to maintain the final installation state,

A transparent cap which is formed in a normally closed manual valve which is formed to be broken when a plurality of notches that can be inserted and fixed to the handle part and rotates the handle by a predetermined force or more,

A handle part which may be rotated to open and close the diaphragm of the manual valve, and the uneven part is formed in a gear shape at the lower main body part,

A valve lower body part accommodating a diaphragm therein to form a flow path and a plurality of protrusions formed on a surface in contact with the handle part;

And a handle anti-rotation locking means of a circular ring-shaped valve inserted between a recessed portion formed in the lower portion of the handle portion and a plurality of protrusions formed in the upper portion of the valve lower body portion to fix the handle portion so as not to rotate.

In an embodiment of the present invention or another embodiment, the handle anti-rotation locking means is hinged to the ends of the two semi-circular members, and folded to form a circular ring, the other end of each semi-circular shape It is preferable that the fastening lock device is formed, respectively.

In an embodiment of the present invention or another embodiment, projections that can be inserted into the recesses of the uneven portion formed below the handle portion of the valve are formed inside the two semicircular middle portions of the handle anti-rotation locking means, respectively. It is preferable that the lower protrusions integrally formed from the protrusions and inserted into the plurality of protrusions to be formed in the lower body of the valve are integrally formed.

In an embodiment of the present invention or another embodiment, the handle anti-rotation locking means may be fastened or unlocked by the fastening lock, but may further include a hole that may be sealed to prevent self-handle operation other than the manager. Include.

(Example)

Hereinafter, a manual valve having locking means for preventing valve rotation according to an exemplary embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5.

1 is a perspective view of a manual valve device having a locking means according to an embodiment of the present invention, FIG. 2 is a sectional view of the manual valve device shown in FIG. 1, and FIG. 3A is an exploded view of the manual valve device shown in FIG. 1. 3B is a partially enlarged perspective view for explaining a fastening state of the valve handle anti-rotation locking means in the exploded perspective view shown in FIG. 3A, and FIG. 4A is a first view for preventing handle rotation of the manual valve shown in FIG. 1. FIG. 4B is a view showing another modification of the anti-rotation cap shown in FIG. 4A, and FIG. 5A is a handle of the manual valve shown in FIG. A perspective view of the valve handle rotation preventing locking means as the second means for preventing rotation, and FIG. 5B is a plan view of the locking means shown in FIG. 5A.

Manual valve 100 having a locking means for preventing valve rotation according to an embodiment of the present invention is installed in a pipe line, such as a semiconductor manufacturing plant, is a valve used for normally open or normally closed, chemical liquid in the pipe line, etc. This valve is mainly used for opening or shutting off chemical liquids in case of abnormality such as leakage of a lamp or failure of another valve.

In the present invention, the manual valve 100 having the locking means for preventing the rotation of the handle according to the embodiment of the present invention includes two valve rotation preventing means. That is, in other words, the manual valve 100 according to the embodiment of the present invention is a means for preventing the valve handle from being rotated by vibration or the like, as shown in detail in FIGS. 4A and 4B. A ring is attached between the handle portion of the valve and the valve body portion to prevent the handle manipulation of the valve by a person other than the administrator, as shown in FIGS. 5A and 5B. Shaped locking means 200 is included.

Manual valve 100 according to an embodiment of the present invention, the transparent cap 120 and the locking means 200 to prevent the rotation of the handle of the valve may optionally include any one means or may include at the same time It should be recognized. In the description of the present invention, the transparent cap 120 and the locking means 200 are sequentially described as means for preventing rotation of each valve handle in order to facilitate explanation.

1 to 3, the manual valve 100 having a valve rotation preventing means according to an embodiment of the present invention has a flow path formed between the inlet and outlet inlet fluid in the same structure as a conventional manual valve The diaphragm 130 opens or closes the flow path in the middle of the flow path in the main body 150 of the valve, thereby performing a function of controlling the flow of the fluid.

As shown in FIG. 2, the central portion of the diaphragm 130 is connected to one end of the shaft 140, and the other end of the shaft is connected to the handle portion 110. As the handle part 110 rotates from side to side, the shaft 140 is raised or lowered to operate the diaphragm 130 to open or close the flow path to interrupt the flow of the fluid.

Manual valve 100 having a locking means for preventing the rotation of the handle according to an embodiment of the present invention is a manual valve that is normally open or closed as shown in the drawing shown in detail in FIG. The handle portion 110 for closing or opening the flow path, and the shaft 140 is supported by the handle portion 110, and the diaphragm for opening and closing the flow path by raising or lowering the center of the membrane by the rotation of the handle. 130, the lower body 150 including the diaphragm and having an inlet and an outlet formed therein.

Hereinafter, with reference to FIGS. 3A-4B, the structure and function of the transparent cap 120 as a 1st means for preventing rotation of a valve are demonstrated.

The transparent cap 120 is a handle cap for preventing rotation of the handle used in the normally open valve as shown in Figure 4a and the transparent cap 120 for preventing the rotation of the handle used in the normally closed valve as shown in Figure 4b. ) The transparent cap 120 for preventing the rotation of the handle is a manual valve 100 is finally installed, and the person other than the administrator to maintain the final state of installation, that is, normally open or normally closed state of the handle by the operation or vibration of the valve, etc. It serves as a safety device to prevent rotation.

In other words, in the piping line of the semiconductor manufacturing equipment, the main piping line that is continuously supplied with chemicals should always be open and the flow path open, and in the case of the bypass piping line other than the main piping line, It should be closed at all times because it is used for reserve.

The transparent cap 120 for preventing the handle rotation operation of the valve shown in FIG. 4A is for preventing the rotation operation of the handle of the normally open manual valve 100. The normally open transparent cap 120 is formed with a plurality of notches 129 to be inserted into and fixed in the groove 111 formed in the handle part 110.

The central protrusion 125 of the transparent cap 120 is formed with a protrusion 125 to accommodate the wrench bolt 121 and the stop cap 123 serving as the stopper 127.

The stopper 127 is coupled to the wrench bolt 121 and the stop cap 123, and is installed at the upper end of the handle part of the shaft 140 that operates the diaphragm 130 according to the handle part operation. The stop cap 123 is generally made of a metal material such as stainless steel.

The central protrusion 125 of the transparent cap 120 is sized to accommodate the stopper 127, but is not manufactured to be too large than the stopper.

When the manual valve according to the embodiment of the present invention is installed in the piping line, and the leak test is performed and fully operated, that is, when the manual valve is to be kept open all the time, After the stop cap 123 and the wrench bolts 121 are installed to be connected to the upper end, the transparent cap 120 is fixed to the handle part 110.

In this case, when the valve in the normally open state is locked, the shaft is lowered, and the stopper 127 is raised by the lowering of the shaft. The transparent cap 120 prevents the stopper 127 from being raised by the transparent cap 120 until the handle is rotated by applying a predetermined force, and the handle of the valve is forcibly rotated by applying a predetermined force or more. When the manual valve 100 is closed, the central protrusion 125 of the transparent cap 120 is damaged.

When operating the manual valve 100 provided with the rotation preventing means of the handle according to the embodiment of the present invention, when the stopper 127 is operated by the handle operation to rotate the handle of the valve with a force less than a predetermined force. It is raised to contact the central protrusion 125 of the transparent cap 120 to prevent the rotation of the handle in the state that the transparent cap is not removed, if the handle is operated by more force is made so that the transparent cap 120 is broken have. The transparent cap 120 for preventing rotation of the valve handle is not only used as a means for preventing the valve from being actuated by vibration, etc., but also easily recognized that the valve is operated due to the broken state of the transparent cap 120. It can be used as a device that can be. That is, it is possible to immediately know that the handle of the valve has been manipulated simply by breaking the transparent cap 120 inserted and fixed to the normally open manual valve 100.

Hereinafter, with reference to FIG. 4B, the valve cap operation prevention transparent cap 120 used for the manual valve 100 which mainly maintains the normally closed state employ | adopted by the bypass piping line is demonstrated.

The transparent cap 120 for preventing manipulation of the handle of the normally closed manual valve 100 shown in FIG. 4B is similar to the normally open transparent cap 120 shown in FIG. 4A, but has a central protrusion 125. And stopper 127 is omitted to form a plane to match the shape of the handle.

When the manual valve according to the embodiment of the present invention is installed in a piping line such as a bypass and is completely operated by a leak test or the like, that is, when the manual valve is to be kept at all times closed, The transparent cap 120 is inserted into the part to be fixed.

In this case, when the handle portion is rotated to open the valve in the normally closed state, the shaft is raised. Until the shaft 140 is raised by the transparent cap 120, the transparent cap 120 is prevented by the transparent cap 120 until a predetermined force is applied to rotate the handle. When the manual valve 100 is opened, the transparent cap 120 is broken.

When operating the manual valve 100 having the rotation preventing means of the handle according to the embodiment of the present invention, when the shaft 140 is rotated by the handle operation to rotate the handle of the valve with a force less than a predetermined force. It is raised to reach the transparent cap 120 to prevent the rotation of the handle in a state that does not remove the transparent cap, when the handle is operated by more force is made to break the transparent cap 120. The transparent cap 120 for preventing rotation of the valve handle is not only used as a means for preventing the valve from being actuated by vibration, etc., but also easily recognized that the valve is operated due to the broken state of the transparent cap 120. It can be used as a device that can be.

The transparent cap 120 shown in FIGS. 4A and 4B temporarily prevents the handle of the valve to prevent the valve from malfunctioning, and recognizes whether the valve is malfunctioning by breaking the transparent cap 120. However, it is not intended to fundamentally prevent rotation or manipulation of the handle portion 110 of the valve.

Transparent cap 120 for preventing the handle manipulation of the valve described above can be usefully used to prevent the handle of the valve is slowly rotated by the continuous vibration.

Hereinafter, referring to FIGS. 3A and 3B, FIGS. 5A and 5B, the locking means 200 as a handle locking device for preventing the handle of the valve from being fundamentally rotated will be described in detail. As shown in Figures 5a and 5b, the locking means 200 as a locking device for preventing the rotation of the handle portion 110 of the valve according to the embodiment of the present invention is made of a foldable circular ring shape.

 The locking means 200 is firmly fastened between the handle part 110 of the valve and the lower main body 150 to prevent the handle of the valve from being rotated.

As shown in detail in FIG. 3B, irregularities 113 and 115 having a predetermined size are formed in the circumference of the lower portion of the handle part, and thus have a shape like a gear.

On the other hand, the lower body 150 of the valve to form a projection 151 or irregularities (151, 153) of a predetermined size in the planar portion of the lower body adjacent to the handle portion 110. The protrusion 151 formed in the valve lower main body part is formed in multiple numbers in the circumference part, and the recessed part of larger space | interval than a protrusion is formed.

As shown in detail in FIGS. 3B, 5A and 5B, the locking device 200 is inserted into the recess 115 formed in the lower portion of the handle 110 and inserted into the recess 153 formed in the lower body. Protrusions 217 and 218 to prevent rotation of the handle. Therefore, when the locking device 200 is fastened between the handle part of the valve and the lower main body, the handle part of the valve does not rotate unless the locking device 200 is removed.

5A and 5B, the locking device 200 has two semicircular body members 210 and 220 having one end coupled to each other by hinge couplings 225 and 226 so that they can be folded and fastened. If so, it is made to form a circular ring as a whole.

Rectangular protrusions 217 are formed at the inner middle portions of the pair of body members 210 and 220, respectively. A protrusion 218 is formed to extend from the protrusion 217 to the lower side and protrude from each body member.

Here, the protrusion 217 formed in the inner middle portion of the pair of body members 210 and 220 is inserted into the recess 115 formed under the handle of the valve, and the protrusion 218 is formed in the lower body of the valve. It is inserted into the groove portion 153 formed between the two protrusions 151. Thus, the locking means 120 is inserted into the lower portion of the handle and the upper portion of the lower body, so that the handle portion does not move.

At each of the other end portions of the pair of body members, fastening structures 211 and 221 of the pair of locking devices are formed. The pair of fastening structures 211 and 221 are configured to be in contact with each other, the first fastening structure 211 has a space formed by two flat plate structure, the pin member 214 is inserted in the center, In the two fastening structure 221, a jaw that can be caught by the pin member 214 is formed, and the third fastening structure 230 is rotatably fixed by a hinge. The third fastening structure 230 is rotated and consists of a structure that can be wound around the jaw 231 to the pin 214 formed in the first fastening structure when the pair of fastening structures 211 and 221 are connected to each other. .

In addition, a small hole is drilled in the upper and lower ends of the first fastening structure 211. This small hole is a hole for lead sealing to prevent the third fastening structure 230 from loosening when the locking device according to the embodiment of the present invention is fastened to prevent rotation of the valve handle.

It is understood that the lead seal 250 is performed as necessary and is not necessarily required.

The manual valve 100 having the locking means 200 according to the exemplary embodiment of the present invention primarily prevents the malfunction of the handle by the transparent cap 120 and immediately recognizes the malfunction of the handle. ,

In addition, the manual valve 100 according to an embodiment of the present invention can be maintained in the state to maintain the valve by fastening the locking means 200 to prevent the operation of the handle portion 110 of the valve at random. have.

Manual valve having a locking means according to an embodiment of the present invention, the handle is difficult to operate, nevertheless, it is easy to grasp that the transparent cap is broken in the case of forcibly rotating the handle, it has been arbitrarily visually manipulated By providing the valve handle rotation prevention means, the valve keeps the final installation state in the handle part of the valve, and functions as a safety device that can immediately know whether the valve is operated when vibration or a third party operates the valve handle part. It works.

In addition, the purpose of the manual valve having a locking means according to an embodiment of the present invention is to form an uneven portion corresponding to the handle portion and the main body portion of the valve, respectively, corresponding to the uneven portion corresponding to the handle portion and the main body portion By fastening the locking means including the uneven portion, there is an advantage that the handle portion of the valve is not artificially rotated, it is made of a structure that can easily install and release the locking means.

In addition, the manual valve having a locking means according to an embodiment of the present invention is fastened between the handle and the body portion and the transparent cap which is broken when the handle of the valve is randomly operated by the vibration or a third party as described above. By simultaneously providing a locking means for preventing the handle of the valve from being manipulated at the same time, the handle operation cannot be arbitrarily operated, and if any operation is made, it is easy to determine that the operation has been arbitrarily due to the breakage of the cap. It also has the advantage of being able to respond immediately to emergency situations.

Embodiments of the invention shown in detail in the drawings and described in detail in the above embodiments should not be construed as limiting the technical spirit of the invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can change the technical spirit of the present invention in various forms. Accordingly, such improvements and modifications will fall within the protection scope of the present invention, which will be apparent to those skilled in the art.

Claims (7)

A manual valve having a locking device for preventing rotation of a handle portion of a manual valve for maintaining a final installation state of a manual valve for opening or closing a fluid by a rotation operation of the handle. The handle part 110, which may be rotated to open and close the diaphragm of the manual valve, and the uneven parts 113 and 115 are formed in a gear shape at the lower main body part, A valve lower body part 150 having a diaphragm therein to form a flow path, and having a plurality of protrusions 151 formed on a surface in contact with the handle part, and Locking means for preventing rotation of the handle of the circular ring-shaped valve which is inserted between the recessed portion 115 formed in the lower portion of the handle portion and the plurality of protrusions 151 formed in the upper portion of the lower valve body to fix the handle portion not to rotate. (200) Manual valve comprising a. delete delete delete The method of claim 1, wherein the anti-rotation handle locking means 200 is hinged to the ends of the two semi-circular member, and folded to form a circular ring, each fastening to the other end of each semi-circular shape Manual valve, characterized in that the locking device is formed. According to claim 1, wherein the projections 217 that can be inserted into the recessed portion formed in the lower portion of the handle portion of the valve formed inside the two semi-circular middle of the handle anti-rotation locking means 200 is formed respectively And a lower protrusion 218 integrally formed to extend from the protrusion to be inserted into a plurality of protrusions to be formed in the lower body of the valve. The method of claim 5, wherein the handle anti-rotation locking means 200 may be fastened or unlocked by the fastening lock device, but a hole (213) that can be sealed in order to prevent self-handle operation other than the administrator. Manual valve, characterized in that it further comprises.

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