KR101887410B1 - Protective cover for valve handle - Google Patents

Protective cover for valve handle Download PDF

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Publication number
KR101887410B1
KR101887410B1 KR1020160030522A KR20160030522A KR101887410B1 KR 101887410 B1 KR101887410 B1 KR 101887410B1 KR 1020160030522 A KR1020160030522 A KR 1020160030522A KR 20160030522 A KR20160030522 A KR 20160030522A KR 101887410 B1 KR101887410 B1 KR 101887410B1
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KR
South Korea
Prior art keywords
cover
pocket
left cover
right cover
valve handle
Prior art date
Application number
KR1020160030522A
Other languages
Korean (ko)
Other versions
KR20170106854A (en
Inventor
김정남
김용욱
정종국
양동엽
Original Assignee
주식회사 쏠락
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 쏠락 filed Critical 주식회사 쏠락
Priority to KR1020160030522A priority Critical patent/KR101887410B1/en
Publication of KR20170106854A publication Critical patent/KR20170106854A/en
Application granted granted Critical
Publication of KR101887410B1 publication Critical patent/KR101887410B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/04—Means to prevent accidental or unauthorised actuation yieldingly resisting the actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0058—Optical means, e.g. light transmission, observation ports
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
    • G01M3/14—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/144—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for valves

Abstract

The present invention relates to a protective cover for a valve handle, which comprises a protective cover having a cylinder-shaped left cover, a hinged cylinder-shaped right cover, and a locking means for fastening and locking the same, And a spacer formed along an edge of the plate portion so as to be separated from the outer circumferential surface of the left cover at a predetermined distance so as to be detachable from the outer surface of the left cover and a receiving space formed by the outer circumferential surface of the left cover, A first pocket portion formed on an outer peripheral surface of the left cover; And a spacer formed along the periphery of the plate portion, wherein a space formed by the outer peripheral surface of the right cover, the plate portion, and the spacer is formed on the outer peripheral surface of the right cover A second pocket portion; And a sheet-shaped marker capable of being drawn in or drawn out into the first and second pocket portions.

Description

Protective cover for valve handle

The present invention relates to a protective cover for a valve handle.

Generally, the valve handle installed on the pipeline is opened and closed only when the worker normally applies it to open / close and / or switch the flow path of various fluids such as gas and liquid.

There have been proposed various types of protection devices that can prevent malfunction or malfunction of the valve handle for opening and closing the flow path of the conduit. An example of such a protective device is disclosed in "Safety Cover for Valve Handles with Multiple Locks ", filed on March 11, 2013 (Patent Document 1).

As is well known to those skilled in the art, Patent Document 1 comprises a split-type body portion surrounding the entire valve handle, and a transparent window is attached to the upper surface of the split-type body portion. However, as described above, Patent Document 1 focuses only on preventing malfunction / tampering of the valve handle and grasping the state of the valve through the transparent window as described above, so that reliable positioning of the safety cover on the valve can not be guaranteed.

In addition, the fluid flowing along the fluid supply line is controlled by means of a valve, which surrounds the valve handle cap of various colors around the valve handle, depending on the nature and the risk of the fluid being guided along the fluid supply line. Thus, the cap for the valve handle colored in various colors has to suffer from the inconvenience that it has to be changed every time the fluid flows into the fluid supply pipe.

Korean Patent Publication No. 10-2013-0025107

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a fluid handling device that covers a valve handle that opens and closes a flow path of a fluid to prevent misoperation of the valve handle from external factors, It is an object of the present invention to promptly inform the operator of various information about the fluid flowing along the supply pipe.

In order to accomplish the above object, the present invention provides an air conditioning apparatus comprising: a left cover having a bottom surface having a semicircular opening at a lower end of a side surface, a top surface disposed at an upper end of the side surface, A right cover hinged to the left cover and having a semicircular side surface, an upper surface disposed at an upper end of the side surface, and a lower surface having a semicircular opening at a lower end of the side surface; And a locking means for fastening the left cover and the right cover to each other on the opposite side of the hinge portion for hinging the left cover and the right cover,

And a spacer formed along the periphery of the plate portion, wherein a space formed by the outer peripheral surface of the left cover, the plate portion and the spacer is formed on the outer peripheral surface of the left cover A first pocket portion;

And a spacer formed along the periphery of the plate portion, wherein a space formed by the outer peripheral surface of the right cover, the plate portion, and the spacer is formed on the outer peripheral surface of the right cover A second pocket portion; And

The markers are folded in the radial direction so that the upper and lower edges of the markers can be easily inserted or removed from the first and second pocket portions, And at least one of the left cover and the right cover has a plurality of through holes formed therein.

In the present invention, the first pocket portion may further include an entry port for facilitating entry or withdrawal of the marker, while the second pocket portion may further include an entrance for facilitating entry or withdrawal of the marker.

Preferably, the access port may be disposed at an upper edge of the first and second pocket portions.

Alternatively, the entrance may be disposed at the left or right edge of the first and second pocket portions.

In addition, the present invention may further include a first cylinder-shaped portion below the lower surface of the left cover and an end plate having a semicircular shape disposed around the lower end of the inner circumferential surface of the first cylinder-shaped portion. Correspondingly, And an end plate having a semicylindrical shape disposed along the periphery of the lower end of the inner circumferential surface of the second semicylindrical portion.

The present invention may further include one or more windows in a plate portion of the first pocket portion or an inner region of the plate portion of the second pocket portion.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

According to the description of the present invention, the present invention provides a protective cover capable of blocking access to a valve handle that induces opening and closing and / or switching of a fluid passage.

Particularly, the present invention is designed so that the markers describing various information of the fluid controlled and / or interrupted by the valve handle can be easily inserted into and detached from the pocket portion disposed on the outer peripheral surface of the protective cover without opening the protective cover.

The present invention further arranges a latching jaw on the lower side of the protective cover to engage with a part of the valve to help prevent the detachment or detachment of the protective cover.

1 is a perspective view schematically showing a protective cover for a valve handle according to a preferred embodiment of the present invention.
2 is an exploded perspective view of the protective cover for the valve handle shown in Fig.
Fig. 3 is a view of a protective cover for a valve handle in which the right cover is opened so that the state of engagement with the valve handle can be confirmed.
4 is a perspective view schematically showing a protective cover for a valve handle according to another example.
5 is a perspective view schematically showing a protective cover for a valve handle according to another embodiment of the present invention.

A protective cover for a valve handle according to the present invention will now be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages, features, and ways of accomplishing the same will become apparent from the following description of embodiments taken in conjunction with the accompanying drawings. In the specification, the same reference numerals denote the same or similar components throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 to 3, a protective cover 1 according to a preferred embodiment of the present invention restricts the operation of the valve handle H that regulates the intermittent or direction change of the fluid flowing into the fluid supply pipe . That is, the present invention enables the operation of the valve handle only by an authorized authorized user.

In addition, the present invention facilitates information on the risk and importance of the fluid to be controlled / interrupted by the valve handle (H) through the markers (M) arranged along the lateral circumference of the protective cover It can be recognized.

The protective cover 1 according to the preferred embodiment of the present invention is constituted by a hinge-coupled left cover 110 and a right cover 120 and is disposed around the valve handle H. In the present invention, the left cover 110 and the right cover 120 are preferably made of a transparent material. This makes it possible to directly observe the state of the valve handle H to be disposed inside the present invention without opening or closing the protective cover.

As shown in the figure, the left cover 110 is disposed on the left side with a cylindrical member, and the right cover 120 is hinged to the left cover 110 by a cylindrical member corresponding to the left cover 110, .

Specifically, the left cover 110 includes a side surface 111 having a circular shape, an upper surface 112 disposed at an upper end of the side surface, and a lower surface 113 having a semicircular opening 114 at a lower end of the side surface. Respectively. The semicircular opening 114 accommodates a portion of the valve that is fitted between the pipes P and disposed orthogonally.

The circular-shaped side surface 111 forms a first pocket portion 115 around the outer peripheral surface thereof. The first pocket portion 115 is disposed on the outer peripheral surface of the side surface 111 to provide the receiving space 110s of the marker M. [ The accommodation space 110s includes a plate portion 115a spaced apart from the side surface 111, a spacer 115b protruding inward along the circumference of the plate portion 115a, And is a spacing gap formed between the outer circumferential surfaces. The marker M is easily inserted into and / or received in the receiving space 110s through the entrance 115c provided at one edge, preferably the upper edge, of the first pocket portion 115 disposed in the left cover 110 It can be drawn out.

The first pocket portion 115 is formed by a spacer 115b protruding toward the side surface 111 of the left cover 110 from both side edges and a lower edge of the plate portion 115a, As shown in Fig. That is, the first pocket portion 115 forms the entrance 115c without providing the spacer 115b at the upper edge. The entrance 115c allows the marker M to flow in and out of the accommodation space 110s Help.

The operator can place the marker M in the left cover 110 of the protective cover 1 in accordance with the fluid to be interrupted through the operation of the valve. As described above, the left cover 110 having the first pocket portion 115 is made of a transparent material and can easily supply the fluid supplied from outside to the pipe through the markers M disposed in the first pocket portion 115 Identification will be confirmed. In addition, the left cover 110 of the transparent material can easily confirm whether or not the valve handle H disposed therein is erroneously operated.

Here, the marker M is used to paint various information such as the kind of fluid flowing along the pipe, the flow rate, the degree of danger, the importance, etc. in various colors or to write or embed the information in a pattern, a symbol, a pattern, And can be easily recognized as a sheet.

Optionally, the marker M can be made of a water-soluble ink labeling paper, such as a litmus paper or a pH test paper, which reacts with a gas or a liquid. When the acidic solution flows out, it changes to red. When the alkaline solution flows out Blue. In this way, if the chemical substance flows out from the connection pipe of the pipe and the valve and the pipe fitting, the marker M can easily detect whether the chemical substance flows out to the naked eye even if the flow rate is small.

For this purpose, the left cover 110 may have a plurality of through holes 119 formed in the side surface 111 thereof. The plurality of through holes 119 are formed on the side surface 111 corresponding to the receiving space 110s of the first pocket portion 115 so that the fluid discharged inside the protective cover 1 and the first pocket portion 115 So as to allow contact with the marker M inserted therein.

In addition, the left cover 110 forms a first annular portion 117 below the lower surface 113. The first cylinder-shaped portion 117 may be disposed concentrically with the side surface 111 of the cylinder. The first cylinder-shaped portion 117 has a semicylindrical end plate 117a having a predetermined width and disposed around the inner circumferential surface thereof.

In addition, the left cover 110 has a hinge portion 116 that pivotally connects with the right cover 120, while the front cover of the left cover 110 has a locking means 400. The locking means 400 rotates the locking protrusion in accordance with the rotation of the lock barrel (not shown) and fastens the locking protrusion to the lock groove 128 formed on the front surface of the right cover 120, as shown in the figure. It will be appreciated that the locking means of the present invention is not limited in this respect and may be replaced by various types of locking devices.

Corresponding to the left cover 110, the right cover 120 has a semicylindrical side surface 121, an upper surface 122 disposed at the upper end of the side surface, and a semicircular opening 124 at the lower end of the side surface And a lower surface 123. On the front surface of the right cover 120, a lock groove 128 formed corresponding to the lock projection of the lock means 400 is formed.

The right cover 120 has a hinge portion 126 which is rotatably connected to the hinge portion 116 of the left cover 110. [

The circular-shaped side surface 121 forms a second pocket portion 125 around the outer peripheral surface thereof. The second pocket portion 125 is disposed on the outer circumferential surface of the side surface 121 to provide the receiving space 120s of the marker M. [ The accommodation space 120s includes a plate portion 125a spaced apart from the side surface 121 and spacers 125b extending inward along the periphery of the plate portion 125a and between the outer peripheral surface of the side surface 121 Respectively. The marker M is easily inserted into and / or received in the receiving space 120s through the entrance 125c provided at one edge, preferably the upper edge, of the second pocket portion 125 disposed in the right cover 120 It can be drawn out.

The second pocket portion 125 is formed by a spacer 125b protruding from both side edges and a lower edge of the plate portion 125a toward the side surface 121 of the right cover 120, As shown in Fig. In other words, the second pocket portion 125 forms an entrance 125c without disposing the spacer 125b at the upper edge of the second pocket portion 125. The entrance 125c allows the marker M to flow in and out of the accommodation space 120s Help.

The operator can place the marker M in the right cover 120 of the protective cover 1 in accordance with the fluid to be interrupted through the operation of the valve. As described above, the right cover 120 having the second pocket portion 125 is made of a transparent material and can easily supply the fluid supplied from outside to the pipe through the markers M disposed in the second pocket portion 125 Identification will be confirmed. In addition, the right cover 120 of the transparent material can easily confirm whether the valve handle H disposed therein is erroneously operated.

The right cover 120 may form a plurality of through holes 129 on the side surface 121. [ The plurality of through holes 129 are formed on the side surface 121 corresponding to the accommodation space 120s of the second pocket portion 125 so that the fluid discharged into the protective cover 1 and the second pocket portion 125 So as to allow contact with the marker M inserted therein. If the leaked fluid comes into contact with the marker M inserted in the first and / or the second pocket portion through the holes 119 and 129, the markers M are discolored and the operator is allowed to discolor the markers, It is possible to visually grasp leaks at fitting portions.

In addition, the right cover 120 forms a second annular portion 127 below the lower surface 123. The second cylinder-shaped portion 127 may be disposed concentrically with the side 121 of the cylinder. The second cylinder-shaped portion 127 has a semi-circular end plate 127a having a predetermined width and disposed around the inner circumferential surface thereof.

3, a part of the valve handle H is connected to the end plate 117a of the semicircular shape of the first cylinder portion 117 and the end plate 127a of the semicircular shape of the second cylinder portion 127, So that the protective cover 1 of the present invention can be prevented from separating from the valve handle H in advance.

Fig. 4 shows another example of the protective cover for the valve handle shown in Fig. 1. Fig.

The protective cover 1 for the valve handle may have one or more windows 130 so that the inside of the first pocket portion 115 accommodating the markers M can be visually recognized.

Similarly, the protective cover 1 for the valve handle may have one or more windows 130 so that the inside of the second pocket portion 125 receiving the markers M can be visually confirmed.

The at least one window 130 is formed in the inner region of the plate portions 115a and 125a so that the operator can visually identify and / or confirm the information of the marker M even if the transparent window is not made of a transparent material, .

As shown in the figure, the markers M are allowed to enter the respective accommodation spaces 110s and 120s through the entrance 115c of the first pocket portion 115 and the entrance 125c of the second pocket portion 125, (See Fig. 2). The upper edge of the marker M can be radially bent so that the operator can easily insert and / or remove the marker M, and the markers M are not rounded to correspond to the curved pocket portions, It is possible to form one or more notches at the edges so that the edges of the markers M are not overlapped by bending in the radial direction.

5 is a perspective view schematically showing a protective cover for a valve handle according to another embodiment of the present invention. The protective cover 1 'for a valve handle according to another embodiment of the present invention is a modified example of the protective cover for a valve handle shown in FIGS. 1 to 3, and has a very similar structure except for the arrangement position of the openings The description of similar or identical components will be omitted herein to assist in a clear understanding of the present invention.

The protective cover 1 'for a valve handle according to the present invention has a first pocket portion 115 around the outer circumferential surface of the left cover 110 and a second pocket portion 125 around the outer circumferential surface of the right cover 120, Respectively. Of course, the first pocket portion 115 can insert the marker M into its receiving space, and the second pocket portion 125 can further insert the marker M into its receiving space. If necessary, the operator can attach the same marker M to the first pocket portion 115 and the second pocket portion 125 to help observe the information to be provided through the markers in all directions. Alternatively, the worker may mount the marker M containing information about the fluid in the first pocket portion 115, while checking whether the fluid flowing into the pipe is leaked into the second pocket portion 125 A marker (M), and a leak detection sheet.

The protective cover 1 'according to another embodiment of the present invention is configured such that the entrance 115c of the first pocket part 115 and the entrance 125c of the second pocket part 125 are positioned on both sides of the plate parts 115a and 125a So as to be adjacent to the edge. That is, according to the present invention, the side (111, 121) of the cover (110, 120) is formed on the upper edge and the left (or right) edge and the lower edge of the pocket portions (115, 125) and the left (or right) edge through the protruded spacer So that the remaining edges can be integrally joined to the outer peripheral surfaces of the side surfaces 111 and 121. [ The outlets 115c and 125c are formed on the left or right edges of the pocket portions 115 and 125 so that the mark M can be drawn in / out in the horizontal direction.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the present invention is not limited thereto. The protective cover for a valve handle according to the present invention is not limited thereto, It is apparent that the present invention can be modified or improved by those skilled in the art.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1, 1 '----- protective cover,
110 ----- Left cover,
115 ----- first pocket portion,
117 ----- first cylinder portion,
120 ----- Right cover,
125 ----- second pocket portion,
127 ----- second cylinder shape,
400 ----- locking means,
H ----- Valve handle,
M ----- Marker

Claims (6)

A left cover having a bottom surface having a semicircular opening at a lower end of the side surface, and a top surface disposed at an upper end of the side surface; A right cover hinged to the left cover, the right cover having a bottom surface having a semicircular opening at a lower end of the side surface, and a top surface disposed at an upper end of the side surface; And a locking means for fastening the left cover and the right cover to the opposite side of the hinge portion hinging the left cover and the right cover,
And a spacer formed along the circumference of the plate portion, wherein a space formed by the outer circumferential surface of the left cover, the plate portion, and the spacer is formed in the left side A first pocket portion formed on an outer peripheral surface of the cover;
And a spacer formed along the periphery of the plate portion, the accommodating space formed by the outer peripheral surface of the right cover, the plate portion, and the spacer, A second pocket portion formed on an outer peripheral surface of the cover; And
Shaped markers capable of being drawn into or drawn out from the first and second pocket portions, wherein the markers are radially bent at an upper edge thereof so as to be easily inserted or removed from the first and second pocket portions And a plurality of through holes are formed in a side surface of at least one of the left cover and the right cover.
The method according to claim 1,
Wherein the first pocket portion further comprises an entrance for facilitating the entry or withdrawal of the marker,
Wherein the second pocket further comprises an access port to facilitate entry or withdrawal of the marker.
The method of claim 2,
Wherein the opening is disposed at an upper edge of the first and second pocket portions.
delete The method according to claim 1,
Wherein the left cover has a first cylindrical portion below the lower surface and a semicircular end plate disposed along the lower end of the inner peripheral surface of the first cylindrical portion,
Wherein the right cover includes a second cylinder-shaped portion below the lower surface and an end plate having a semicircular shape disposed along the lower end of the inner circumferential surface of the second cylinder-shaped portion.
The method according to claim 1,
Wherein the plate portion of the first pocket portion or the plate portion of the second pocket portion further comprises at least one window.
KR1020160030522A 2016-03-14 2016-03-14 Protective cover for valve handle KR101887410B1 (en)

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KR101887410B1 true KR101887410B1 (en) 2018-08-10

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KR102212645B1 (en) * 2019-10-11 2021-02-08 한국전력공사 Switchgear display device of breaker gas valve
KR20230028966A (en) * 2021-08-23 2023-03-03 장현동 Valve safety lock

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KR101909691B1 (en) * 2017-11-21 2018-10-18 장현동 Locking cover for butterfly valve
CN108533825B (en) * 2018-06-26 2019-07-26 嵊州市悦鑫五金配件经营部 A kind of valve clamp device
KR102053718B1 (en) * 2018-08-02 2019-12-09 한국가스안전공사 Protecting apparatus for cylinder valves
US11493147B2 (en) 2020-01-03 2022-11-08 Brady Worldwide, Inc. Pull handle butterfly valve lockout device
KR102603816B1 (en) * 2023-01-03 2023-11-17 주식회사 베스타 Faucet lock
KR102600102B1 (en) * 2023-03-03 2023-11-09 (주)건우케미칼 Locking device for damper
KR102645152B1 (en) * 2023-11-03 2024-03-07 (주)건우케미칼 Damper locking device mounted on a column-type structure

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KR100828393B1 (en) 2007-05-25 2008-05-08 태산이엔씨주식회사 A safety cap for valve-handle
KR101280999B1 (en) * 2011-06-22 2013-07-08 한민흠 water fasterner for water shut off
KR101326197B1 (en) 2011-09-01 2013-11-07 김광민 Safty Cover for Valve with Multi Locking Unit

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JP3078461B2 (en) * 1994-11-15 2000-08-21 新日本製鐵株式会社 High wear-resistant perlite rail
KR100828393B1 (en) 2007-05-25 2008-05-08 태산이엔씨주식회사 A safety cap for valve-handle
KR101280999B1 (en) * 2011-06-22 2013-07-08 한민흠 water fasterner for water shut off
KR101326197B1 (en) 2011-09-01 2013-11-07 김광민 Safty Cover for Valve with Multi Locking Unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102212645B1 (en) * 2019-10-11 2021-02-08 한국전력공사 Switchgear display device of breaker gas valve
KR20230028966A (en) * 2021-08-23 2023-03-03 장현동 Valve safety lock
KR102581194B1 (en) * 2021-08-23 2023-09-20 장현동 Valve safety lock

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