CN109611608A - Valve locking mechanism and valve locking method - Google Patents

Valve locking mechanism and valve locking method Download PDF

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Publication number
CN109611608A
CN109611608A CN201811419218.5A CN201811419218A CN109611608A CN 109611608 A CN109611608 A CN 109611608A CN 201811419218 A CN201811419218 A CN 201811419218A CN 109611608 A CN109611608 A CN 109611608A
Authority
CN
China
Prior art keywords
valve
locking
plug
bolt
fixing frame
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811419218.5A
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Chinese (zh)
Inventor
秦晓康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China Langyashan Pumped Storage Co Ltd
State Grid Xinyuan Group Co Ltd
State Grid Corp of China SGCC
Original Assignee
East China Langyashan Pumped Storage Co Ltd
State Grid Xinyuan Group Co Ltd
State Grid Corp of China SGCC
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 East China Langyashan Pumped Storage Co Ltd, State Grid Xinyuan Group Co Ltd, State Grid Corp of China SGCC filed Critical East China Langyashan Pumped Storage Co Ltd
Priority to CN201811419218.5A priority Critical patent/CN109611608A/en
Publication of CN109611608A publication Critical patent/CN109611608A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • F16K35/10Means to prevent accidental or unauthorised actuation with locking caps or locking bars

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)

Abstract

本发明公开了一种阀门锁止机构及阀门锁止的方法,所述的阀门锁止机构包括插销(1)、锁紧件(2)和用于固定在阀门手轮支架上的固定架(3),所述的固定架上开有贯穿其两侧的插孔,所述的插销滑动安装在插孔内,所述的插销的一端随着插销在插孔内移动用于插入手轮辐空格内,所述的插销的另一端设置有用于防止插销从插孔中朝着阀门手轮的方向拔出的阻挡部(4),所述的插销上没其长度方向开有两个以上的锁孔(5),所述的锁紧件在阀门被锁止状态下可与锁孔相配合阻止插销在插孔内移动。本发明的有益效果是:本发明制造时的耗材少,成本低,并且本发明在使用时不需将插销完全从固定架上取下来,可有效的防止使用过程中部件丢失。

The invention discloses a valve locking mechanism and a valve locking method. The valve locking mechanism comprises a latch (1), a locking member (2) and a fixing frame ( 3) The fixing frame is provided with sockets running through its two sides, the plug is slidably installed in the socket, and one end of the plug moves with the plug in the socket for inserting the hand wheel spoke space. Inside, the other end of the said plug is provided with a blocking portion (4) for preventing the plug from being pulled out from the socket towards the direction of the valve handwheel, and the said plug has two or more lock holes ( 5), when the valve is locked, the locking member can cooperate with the lock hole to prevent the pin from moving in the socket. The beneficial effects of the present invention are as follows: the present invention has few consumables and low cost during manufacture, and the present invention does not need to completely remove the plug from the fixing frame during use, which can effectively prevent the loss of components during use.

Description

The method of valve lockable mechanism and valve locking
Technical field
The present invention relates to a kind of methods of valve lockable mechanism and valve locking.
Background technique
Oil gas water lines valve is needed in maintenance by corresponding valve opening or closing, and is needed in some occasions Valve is lockked, is opened by mistake after preventing valve from rotating and is opened or accidentally close, personnel or equipment is caused to injure.
Closing, the Chinese patent of Patent No. ZL201120468134.8 are opened or missed to solve the problems, such as that valve is opened by mistake A kind of valve locking apparatus is disclosed, specific structure includes nut cap, connecting plate and opening device, is provided with chamber in nut cap Body, connecting plate are arranged on the cavity wall side of nut cap, and the lower end of connecting plate is provided with opening device, this kind of valve locking dress It sets when in use by nut cap button on valve, is placed on the handle of valve in the inner cavity of nut cap, connecting plate reaches pipeline Downside, reuse inserted link and lockset and the connecting plate of two sides linked together.
Though above-mentioned valve locking apparatus can solve the problem of valve accidentally opens and closes, and also reduce to a certain extent The cost of valve locking, however capping structure is set in above-mentioned valve locking apparatus, handle is placed in nut cap, Surface area should be sufficiently large, it is also more to manufacture consumed material, therefore above-mentioned valve locking apparatus has cost still to have reduction Space.
Summary of the invention
The object of the present invention is to provide a kind of valve lockable mechanism, solve valve lockable mechanism manufacture in the prior art at This high technological deficiency.
To solve the above problems, the technical solution used in the present invention is: a kind of valve lockable mechanism comprising bolt, Locking member and fixed frame for being fixed on valve handle bracket are provided with the jack through its two sides on the fixed frame, The bolt is slidably mounted in jack, and one end of the bolt is moved in jack for being inserted into handwheel spoke with bolt In space, the other end of the bolt is provided with the resistance for preventing bolt from extracting from jack towards the direction of valve handle Stopper does not have its length direction to be provided with more than two lockholes on the bolt, and the locking member is locked up state in valve Under can be matched with lockhole prevent bolt moved in jack.Bolt one end in the present invention is protruded into valve handle spoke space, Valve handle can be stopped to rotate, realize that the locking of valve, bolt are extracted from handwheel spoke space, bolt no longer produces valve handle Life stops, and valve handle is rotatable, and the present invention realizes that bolt inserts or pull out handwheel spoke sky by the way that bolt is mobile in support matchmaker hole In lattice, structure of the invention is simple, and locking and unlock are more convenient, and valve handle is not necessarily to be wrapped up when in use in the present invention, Small volume on the whole, consumptive material is few, to reduce manufacturing cost of the invention.
As a further improvement of the present invention, the quantity of the lockhole be two, far from blocking portion a lockhole with The distance of the one end of bolt far from blocking portion is less than the distance between fixed frame and valve handle, close to a lockhole of blocking portion With at a distance from the one end of bolt far from blocking portion be greater than the distance between fixed frame and valve handle.Lockhole quantity in the present invention It is two, can not only realizes the purpose of Fixed latches of the present invention, but also farthest keep the rigidity of bolt, prevents bolt curved It is bent.
As a further improvement of the present invention, the blocking portion is bent by bolt end.Bolt in the present invention It is the structure of integral type, intensity is higher.
As a further improvement of the present invention, the locking member is padlock, and the latch hook of the padlock can protrude into lockhole It is interior and with lock body it is sealed after prevent bolt moved in jack.Padlock system commonly uses and cheap locking tool, on the whole Cost of the invention can be reduced, and from a wealth of sources, be easily obtained.
As a further improvement of the present invention, the fixed frame includes fixed part and interconnecting piece, and the jack opens up On fixed part, the interconnecting piece with valve handle bracket for mutually fixing.Fixed part in the present invention is used for Fixed latches, Interconnecting piece is for fixing entire fixed frame.
It is a further object to provide a kind of locking method of valve, using valve lockable mechanism, including it is as follows Step;
Step 1.1, fixed frame is fixed on valve handle bracket, keeps the valve rod in the jack direction and valve on fixed frame flat Row;
Step 1.2, jack is inserted into far from one end of valve handle from jack in one end by bolt far from blocking portion, until bolt End is protruded into the spoke space of valve handle, is located at the two of fixed frame now close to the lockhole and blocking portion of blocking portion Side;
Step 1.3, the latch hook of the padlock of unlatching is passed through in the lockhole of blocking portion, and locks the latch hook of padlock mutually with lock body It closes.
In conclusion the beneficial effects of the present invention are: the consumptive material when present invention manufactures is few, it is at low cost, and the present invention exists It is not required to completely take off bolt from fixed frame when use, can effectively prevent loss of parts in use process, the present invention is also It is simple with structure, it is easy to use to disturb a little.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is structural schematic diagram of the reaction present invention under valve lockup state.
Fig. 3 is structural schematic diagram of the reaction present invention under valve unlocked state.
Wherein: 1, bolt;2, locking member;3, fixed frame;4, blocking portion;5, lockhole;6, fixed part;7, interconnecting piece;8, hand Wheel;9, valve handle bracket.
Specific embodiment
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Embodiment 1:
Valve lockable mechanism as shown in Figure 1, including bolt 1, locking member 2 and for being fixed on consolidating on valve handle bracket 9 Determine frame 3, the bolt 1 in the present invention is in long strip, and section can be the regular shape such as circle, regular polygon or others are not advised Shape then, it is currently preferred that bolt 1 is made using columned metallic rod, be provided on the fixed frame 3 through its two The jack (not shown) of side, the bolt 1 are slidably mounted in jack, the shape and bolt 1 of the jack in the present invention There is shape to match, the cross sectional shape of currently preferred jack is circle, and the aperture of jack is slightly larger than bolt 1 in the present invention Diameter, in order to which bolt 1 moves in jack, one end of the bolt 1 is moved in jack for being inserted into hand with bolt 1 It takes turns in 8 spoke spaces or is extracted out of handwheel spoke space, the other end of the bolt 1 is provided with for preventing bolt 1 from jack In the blocking portion 4 extracted towards the direction of valve handle, do not have its length direction is equidistant to open on heretofore described bolt 1 There are two above lockhole 5, the locking member 2 can be matched in the case where valve is locked up state with lockhole 5 prevents bolt 1 from inserting It is moved in hole.
It is protruded into valve handle spoke space in bolt 1 far from one end of blocking portion 4, and the position of 3 dead bolt 1 of locking member It sets, bolt 1 does not move in jack, and specially bolt 1 is located at the position of 3 two sides of fixed frame respectively by being located at close to blocking portion 4 One locking member 2 in lockhole and blocking portion 4 stop, prevent bolt 1 from moving in jack, since bolt 1 protrudes at this time In handwheel spoke space, blocking is generated to the handwheel of valve, so that the handwheel of valve is not able to rotate or can only rotate the angle of very little, makes Valve cannot be opened, as shown in Figure 2;And when needing Open valve, locking member 2 is opened, makes bolt 1 away from valve handle Direction be moved to out of valve handle spoke space and be detached from, bolt 1 no longer produces row blocking to valve handle at this time, thus can be rotated Valve handle, for prevent at this time bolt fall off, can by locking member 2 lock far from 3 side of fixed frame lockhole 5 in, such as Fig. 3 institute Show.
The quantity of currently preferred lockhole 5 is two, and a lockhole 5 and bolt 1 far from blocking portion 4 are far from blocking portion The distance of 4 one end end is less than fixed frame 3 close to the distance between the surface of valve handle side and valve handle, close to resistance One lockhole 5 of stopper 4 is greater than fixed frame 3 close to valve handle one at a distance from the end of the one end of bolt 1 far from blocking portion 4 The distance between the surface of side and valve handle are greater than solid close to the distance between a lockhole 5 of blocking portion 4 and blocking portion 4 Determine the width of the length direction along bolt 1 of frame 3.
Heretofore described blocking portion 4 is preferably bent by 1 end of bolt, and the blocking portion 4 is in bolt 1 Angle is 90 degree hook-shaped, and when mobile bolt 1,4 hook position fixed frame 3 of blocking portion prevents bolt 1 from being further continued for moving.
Heretofore described locking member 2 preferably uses padlock, the latch hook of the padlock can protrude into lockhole 5 and It being moved in jack with the sealed rear prevention bolt 1 of lock body, the aperture of lockhole 5 is greater than the diameter of the latch hook of padlock in the present invention, and And the lockhole 5 passes through the center line of bolt 1, the radius of the bolt 1 is less than the width of the latch hook for the U-shaped that padlock is formed Degree.
Heretofore described fixed frame 3 specifically includes fixed part 6 and interconnecting piece 7, the fixed part 6 it is transversal Face can be rectangle, circle or other irregular shapes, the jack and be provided on fixed part 6, the interconnecting piece 7 For mutually being fixed with valve handle bracket.Fixed part 6 and the integrated molding of interconnecting piece 7 in the present invention are made to keep its intensity, The mode that threaded connection can be used with valve handle bracket in interconnecting piece 7 in the present invention is fixed, and the mode that welding can also be used is solid It is fixed, it is currently preferred that interconnecting piece 7 is fixed on valve handle bracket using by the way of welding, when welding in holding jack Heart line is parallel with the valve rod of valve.
Embodiment 2
The present embodiment system valve locking method is included the following steps using valve lockable mechanism described in embodiment 1;
Step 1.1, fixed frame 3 is weldingly fixed on valve handle bracket, makes the valve in the jack direction and valve on fixed frame 3 Bar is parallel, this step is implemented when first time using valve lockable mechanism, and the subsequent this method that is again carried out without repeating admittedly again It is fixed.
Step 1.2, one end by bolt 1 far from blocking portion 4 from jack far from valve handle one end be inserted into jack and It is moved in jack, until the end of bolt 1 is protruded into the spoke space of valve handle and blocking portion 4 and the fixed part of fixed frame 3 connect Touching, the two sides of fixed frame 3 are located at now close to the lockhole 5 and blocking portion 4 of blocking portion 4.
Step 1.3, the latch hook of the padlock of unlatching is passed through in the lockhole 5 of blocking portion 4, and makes the latch hook and lock of padlock Body locks together, and bolt 1 cannot do the movement of big displacement in straight lockhole at this time, so that one end of the far note blocking portion 4 of bolt 1 is always It is inserted in valve handle spoke space, row is produced to valve handle and is stopped, valve handle is not able to rotate, and completes the locking mistake of valve handle Journey.
The unlock of valve includes the following steps: in the present invention
Step 2.1, padlock is opened, rotational lock simultaneously takes out the latch hook of padlock out of lockhole 5.
Step 2.2, bolt 1 is held, bolt 1 is moved to the end of bolt 1 from valve away from the direction of valve handle Door handwheel spoke is extracted out in space, and bolt 1 no longer generates blocking to the rotation of valve handle at this time, and valve handle is rotatable, is completed The unlocking process of valve handle.
To prevent bolt 1 after valve handle unlock from losing, the invention also includes: step 2.3, the latch hook of padlock is inserted into remote Remember that a lockhole 5 of blocking portion 4 is interior and it is sealed with lock body to close latch hook.Valve lockable mechanism is specific employed in the present embodiment Structure can refer to embodiment 1, and it will not go into details for the present embodiment.
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art. And heretofore described specific implementation case is only preferable case study on implementation of the invention, and it is not for the purpose of limiting the invention Practical range.Equivalent changes and modifications made by i.e. all contents according to scope of the present invention patent, all should be used as of the invention Technology scope.

Claims (6)

1.一种阀门锁止机构,其特征在于:包括插销(1)、锁紧件(2)和用于固定在阀门手轮支架上的固定架(3),所述的固定架(3)上开有贯穿其两侧的插孔,所述的插销(1)滑动安装在插孔内,所述的插销(1)的一端随着插销(1)在插孔内移动用于插入手轮辐空格内,所述的插销(1)的另一端设置有用于防止插销(1)从插孔中朝着阀门手轮的方向拔出的阻挡部(4),所述的插销(1)上没其长度方向开有两个以上的锁孔(5),所述的锁紧件(2)在阀门被锁止状态下可与锁孔(5)相配合阻止插销(1)在插孔内移动。1. A valve locking mechanism, characterized in that it comprises a latch (1), a locking member (2) and a fixing frame (3) for being fixed on a valve handwheel bracket, the fixing frame (3) There are jacks running through its two sides, the plug (1) is slidably installed in the jack, and one end of the plug (1) moves with the plug (1) in the jack for inserting the hand wheel spokes In the space, the other end of the plug (1) is provided with a blocking part (4) for preventing the plug (1) from being pulled out from the socket toward the valve handwheel, and the plug (1) has no length on it. There are more than two locking holes (5) in the direction, and the locking member (2) can cooperate with the locking hole (5) to prevent the pin (1) from moving in the socket when the valve is locked. 2.根据权利要求1所述的阀门锁止机构,其特征在于:所述的锁孔(5)的数量为两个,远离阻挡部(4)的一个锁孔(5)与插销(1)远离阻挡部(4)的一端的距离小于固定架(3)与阀门手轮之间的距离,靠近阻挡部(4)的一个锁孔(5)与插销(1)远离阻挡部(4)的一端的距离大于固定架(3)与阀门手轮之间的距离。2 . The valve locking mechanism according to claim 1 , wherein the number of the locking holes ( 5 ) is two, one locking hole ( 5 ) away from the blocking portion ( 4 ) and the latch ( 1 ) The distance away from the end of the blocking part (4) is smaller than the distance between the fixing frame (3) and the valve handwheel, and a locking hole (5) close to the blocking part (4) and the bolt (1) away from the blocking part (4) The distance at one end is greater than the distance between the fixing frame (3) and the valve handwheel. 3.根据权利要求2所述的阀门锁止机构,其特征在于:所述的阻挡部(4)由插销(1)端部弯曲而成。3 . The valve locking mechanism according to claim 2 , wherein the blocking portion ( 4 ) is formed by bending the end portion of the latch ( 1 ). 4 . 4.根据权利要求3所述的阀门锁止机构,其特征在于:所述的锁紧件(2)是挂锁,所述的挂锁的锁钩可伸入锁孔(5)内并且与锁体锁合后阻止插销(1)在插孔内移动。4. The valve locking mechanism according to claim 3, characterized in that: the locking member (2) is a padlock, and the locking hook of the padlock can extend into the locking hole (5) and be connected with the lock body After locking, the latch (1) is prevented from moving in the socket. 5.根据权利要求4所述的阀门锁止机构,其特征在于:所述的固定架(3)包括固定部(6)和连接部(7),所述的插孔开设在固定部(6)上,所述的连接部(7)用于与阀门手轮支架相固定。5 . The valve locking mechanism according to claim 4 , wherein the fixing frame ( 3 ) comprises a fixing part ( 6 ) and a connecting part ( 7 ), and the insertion hole is opened in the fixing part ( 6 ). 6 . ), the connecting part (7) is used to be fixed with the valve handwheel bracket. 6.一种阀门锁止方法,其特征在于:采用权利要求6所述的阀门锁止机构,包括如下步骤,6. A valve locking method, characterized in that: adopting the valve locking mechanism according to claim 6, comprising the steps of: 步骤1.1,将固定架(3)固定在阀门手轮支架上,使固定架(3)上的插孔方向与阀门的阀杆平行;Step 1.1, fix the fixing frame (3) on the valve handwheel bracket, so that the direction of the socket on the fixing frame (3) is parallel to the valve stem of the valve; 步骤1.2,将插销(1)远离阻挡部(4)的一端从插孔远离阀门手轮的一端插入插孔,直至插销(1)的端部伸入阀门手轮的辐空格内,此时靠近阻挡部(4)的一个锁孔(5)和阻挡部(4)分别位于固定架(3)的两侧;Step 1.2, insert the end of the pin (1) away from the blocking part (4) from the end of the socket away from the valve handwheel into the socket until the end of the pin (1) protrudes into the spoke space of the valve handwheel, and it is close to the valve handwheel. A locking hole (5) of the blocking part (4) and the blocking part (4) are respectively located on both sides of the fixing frame (3); 步骤1.3,将开启的挂锁的锁钩穿过靠近阻挡部(4)的锁孔(5)内,并使挂锁的锁钩与锁体相锁合。Step 1.3: Pass the hook of the opened padlock through the lock hole (5) near the blocking part (4), and lock the hook of the padlock with the lock body.
CN201811419218.5A 2018-11-26 2018-11-26 Valve locking mechanism and valve locking method Pending CN109611608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811419218.5A CN109611608A (en) 2018-11-26 2018-11-26 Valve locking mechanism and valve locking method

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Application Number Priority Date Filing Date Title
CN201811419218.5A CN109611608A (en) 2018-11-26 2018-11-26 Valve locking mechanism and valve locking method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102222893B1 (en) * 2020-10-26 2021-03-04 삼성엔지니어링 주식회사 Locking device for lever of ball valve and ball valve system including the same

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532111A (en) * 1969-03-10 1970-10-06 Crane Co Clamping device for valves
GB2074291A (en) * 1980-04-03 1981-10-28 Crane Ltd Valve Locking Device
US6460383B1 (en) * 2001-04-25 2002-10-08 Michael W. Wadsworth, Jr. Valve locking device
KR200425984Y1 (en) * 2006-06-22 2006-09-08 (주)범석엔지니어링 Valve lock
CN101929539A (en) * 2009-06-26 2010-12-29 倪静丰 Locking mechanism for manual operating device
CN104153654A (en) * 2014-07-29 2014-11-19 国家电网公司 Mechanical lock for disc type handle valve
CN204785009U (en) * 2015-07-02 2015-11-18 中国神华能源股份有限公司 Latching valve door subassembly
CN205298794U (en) * 2016-01-20 2016-06-08 浙江纽沃阀门有限公司 Outdoor stop valve
CN209398914U (en) * 2018-11-26 2019-09-17 国家电网有限公司 Valve lockable mechanism

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532111A (en) * 1969-03-10 1970-10-06 Crane Co Clamping device for valves
GB2074291A (en) * 1980-04-03 1981-10-28 Crane Ltd Valve Locking Device
US6460383B1 (en) * 2001-04-25 2002-10-08 Michael W. Wadsworth, Jr. Valve locking device
KR200425984Y1 (en) * 2006-06-22 2006-09-08 (주)범석엔지니어링 Valve lock
CN101929539A (en) * 2009-06-26 2010-12-29 倪静丰 Locking mechanism for manual operating device
CN104153654A (en) * 2014-07-29 2014-11-19 国家电网公司 Mechanical lock for disc type handle valve
CN204785009U (en) * 2015-07-02 2015-11-18 中国神华能源股份有限公司 Latching valve door subassembly
CN205298794U (en) * 2016-01-20 2016-06-08 浙江纽沃阀门有限公司 Outdoor stop valve
CN209398914U (en) * 2018-11-26 2019-09-17 国家电网有限公司 Valve lockable mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102222893B1 (en) * 2020-10-26 2021-03-04 삼성엔지니어링 주식회사 Locking device for lever of ball valve and ball valve system including the same

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Application publication date: 20190412