CN206802368U - Lock controlled ball valve - Google Patents

Lock controlled ball valve Download PDF

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Publication number
CN206802368U
CN206802368U CN201720428734.9U CN201720428734U CN206802368U CN 206802368 U CN206802368 U CN 206802368U CN 201720428734 U CN201720428734 U CN 201720428734U CN 206802368 U CN206802368 U CN 206802368U
Authority
CN
China
Prior art keywords
handle
valve rod
ball valve
valve
lock
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.)
Withdrawn - After Issue
Application number
CN201720428734.9U
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Chinese (zh)
Inventor
严荣杰
柴军
蔡小飞
黄玉
祝文耀
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.)
Ningbo Jiekelong Precision Manufacturing Co Ltd
Original Assignee
Ningbo Jiekelong Precision Manufacturing Co Ltd
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 Ningbo Jiekelong Precision Manufacturing Co Ltd filed Critical Ningbo Jiekelong Precision Manufacturing Co Ltd
Priority to CN201720428734.9U priority Critical patent/CN206802368U/en
Application granted granted Critical
Publication of CN206802368U publication Critical patent/CN206802368U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Taps Or Cocks (AREA)

Abstract

The utility model discloses a kind of lock controlled ball valve, including valve body, valve rod and handle;Described valve body is provided with hollow convex neck;Described valve rod is in described convex neck;Handle is connected to one end of described valve rod, and magnetic locking component is provided between handle and valve rod;The removable connection finite place piece in one end of valve rod, described handle are provided with cavity, and described locating part is arranged in described cavity and spacing in described cavity up and downly;Return spring is provided between described locating part and the bottom wall of described cavity;When described magnetic locking component release lever is with valve rod, by described return spring effect by the described downward bullet of handle, ball valve is in free switch state;When handle moves upward to setting position, described magnetic locking component lock handle and valve rod, ball valve are in lock-out state.Handle locks ball valve on the lock controlled ball valve, can avoid causing maloperation, and ball-valve structure is simple, and operation is also very convenient.

Description

Lock controlled ball valve
Technical field
Valve technology field is the utility model is related to, more particularly to a kind of lock controlled ball valve.
Background technology
On the various pipelines of the industry such as water supply, supply, pipeline transportation, valve has a wide range of applications.In many occasions, People need to be controlled valve, to prevent other people to be arbitrarily opened and closed.Therefore, the valve with locking device is very practical. The existing valve species with locking device is a lot, and its structure is also different.Some are to use mechanical cylinder lock or electricity Son lock carrys out the handle or valve rod of Locked valve.This method is although feasible, but because different valves needs different keys It is inconvenient or password is opened, therefore for controlling the administrative staff of substantial amounts of user.Using magnetic principles, Opened using specific purpose tool, be a kind of more satisfactory method.
As Chinese patent storehouse discloses a kind of Anti-dismantling ball-valve [Application No.:201310025948.8], it is mainly characterized by Magnetic automatic locking mechanism is further comprises, by pressing handle, the back-moving spring compression in handle, handle when handle moves down Cut in two relative positions the opposite magnet straight pin of magnetic it is attracting after enter stem groove, realize and lock.Such a Anti-dismantling ball-valve Following defect be present:Because the Anti-dismantling ball-valve need to press down on handle, to realize locking, and press handle and be easy to cause behaviour by mistake Make, such as during ball valve is installed, the handle of imprudence pressing will pin ball valve, cause unnecessary trouble.
Chinese patent storehouse discloses a kind of lock controlled ball valve [Application No.:201420761195.7], including with neck Valve body, neck are cylindrical in shape, and valve element and valve rod are provided with valve body, and valve rod outer end stretches out neck and cuts valve rod the inner outer rim provided with O-shaped Circle.There is socket, valve rod the inner, which is plugged on the socket inscribe valve rod, can drive valve core rotation, on valve rod the inner on valve element lateral wall A lockhole for being in strip is also extended radially through, lockhole both ends are plugged with both ends magnetic pole phase adjacent in a magnetic pole and two magnetic poles respectively Instead, neck both sides offer the positioning hole with lockhole position correspondence respectively, and the two magnetic pole other ends are plugged on corresponding positioning respectively The force piece for making two magnetic poles that there is opposite moderate tone is provided with hole, in neck, is also had when valve rod is inside on neck madial wall The stopper slot for being caught in O-ring during translation.Following defect be present in such a lock controlled ball valve:When needing locking, first ball valve is closed, connect Pull-up valve rod so that O-ring spins off out of stopper slot, now both ends magnetic pole phase adjacent on force piece and two magnetic poles Under anti-collective effect so that two magnetic poles are reinserted into lockhole and lock valve rod, and such a lock controlled ball valve is complicated, operation Cumbersome, valve rod is arranged in handle, is pulled also inconvenient.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of lock controlled ball valve, and handle is locked on the lock controlled ball valve Determine ball valve, can avoid causing maloperation, and ball-valve structure is simple, and operation is also very convenient.
Technical solution of the present utility model is to provide a kind of lock controlled ball valve with following structure, including valve body, valve Bar and handle;Described valve body is provided with hollow convex neck;Described valve rod is in described convex neck;Described handle connection Magnetic locking component is provided between one end of described valve rod, described handle and valve rod;One end of described valve rod is removable Formula connects finite place piece, and described handle is provided with cavity, and described locating part is arranged in described cavity up and downly It is and spacing in described cavity;Return spring is provided between described locating part and the bottom wall of described cavity;Described magnetic Property locked component release lever and valve rod when, by described return spring effect by the described downward bullet of handle, ball valve be in from By on off state;When handle moves upward to setting position, described magnetic locking component lock handle and valve rod, ball valve is in lock Determine state.
After above structure, lock controlled ball valve of the present utility model, compared with prior art, there is advantages below:
Due to the locating part of lock controlled ball valve of the present utility model it is up and down be arranged on described cavity in and it is spacing In described cavity, return spring is provided between locating part and the bottom wall of cavity, so, when release lever is with valve rod, by return Spring effect, ball valve can be made to be in free switch state the downward bullet of handle;When handle is brought up into certain position, magnetic Locked component will lock handle and valve rod, ball valve is just in the lock state, is so just avoided that and causes maloperation, and overall Simple in construction, operation is also very convenient.
As an improvement, described handle is provided with the valve rod hole being connected with described cavity, described valve rod coordinates In described valve rod hole;The inwall of described valve rod hole is provided with first boss, and the outer surface of described valve rod is provided with limiting stand Rank;Described first boss is spacing in the upside of described limited step.After adopting the structure, described limited step is to One boss have the function that it is spacing, so as to the distance of bullet under spacing handle.
As an improvement, described locating part includes limited cap and connecting rod, described limited cap is connected to described connection One end of bar, described connecting rod are detachably connected to one end of described valve rod, and described limited cap is spacing in described chamber In vivo.After adopting the structure, locating part is simple in construction, and locating part is connected by connecting rod with valve rod, simple in construction and connection It is convenient.
As an improvement, described connecting rod is connected to the middle part of described valve rod, described limited step is described valve The end face of one end of bar.Simple in construction after adopting the structure, assembling and making are more convenient.
As an improvement, the bottom of described handle is provided with second boss, the outer peripheral face of described convex neck, which is provided with, to be opened Spacing lug and the spacing lug of closing;When described ball valve is in free switch state, described second boss is opened positioned at described Open between spacing lug and the spacing lug of closing and the second boss is driven along described convex neck by handle and rotated in a circumferential direction.Using this After kind structure, it is the scope of second boss rotation between the described spacing lug of unlatching and the spacing lug of closing, works as second boss Contradict when opening on spacing lug, ball valve is open mode;When second boss, which contradicts, is closing on spacing lug, ball valve For closed mode.
As an improvement, the lower end of described handle is provided with the convex neck groove being connected with described valve rod hole;Described second Boss is on the inwall of described convex neck groove;When described ball valve is in free switch state, the lower end fit of described handle Outside described convex neck, described convex neck is contained in described convex neck groove.Simple in construction after adopting the structure, second is convex Platform is simple in construction and reasonable in convex neck groove.
As an improvement, on the outer peripheral face of described convex neck and positioned at the described spacing lug of unlatching and close spacing lug it Between be provided with postive stop baffle, between the described spacing lug of unlatching and postive stop baffle or the spacing lug of described closing and limiting block Between plate or postive stop baffle is provided with the breach for supplying described second boss to pass through;Described ball valve is in free switch state When, described second boss can rotate in the downside of described postive stop baffle.After adopting the structure, second boss is in rotation During, positioned at the downside of postive stop baffle, avoid handle during rotation by artificial pull-up, the position of breach is handle Can with the position of pull-up, so can lock handle and valve rod exactly, it is easy to operate.
As an improvement, described breach is located between the described spacing lug of closing and postive stop baffle;Described ball valve is in During lock-out state, described second boss is contained in described breach.After adopting the structure, shutoff valve behind the door can be upward Pull-up handle, lock handle and valve rod, it is such a to be designed as most preferably;During ball valve lock-out state, second boss is contained in breach, right Handle progress is spacing, prevents it from rotating.
As an improvement, described magnetic locking component includes at least two magnetic pins and at least two springs, described valve The inwall of rod aperture is provided with least two radial pin slots;The periphery wall of described valve rod is provided with neck;Described magnetic pin is slided Dynamic to coordinate in corresponding radial pin slot, described spring is located between corresponding magnetic pin and radial pin slot bottom land;Lock hand When handle is with valve rod, one end of described magnetic pin is contained in described radial pin slot, and the other end of described magnetic pin houses In described neck;When release lever is with valve rod, one end of described magnetic pin is contained in described radial pin slot, described The other end of magnetic pin be against on the outer wall of described valve rod.After adopting the structure, magnetic locking modular construction is simple, group Dress is convenient.
As an improvement, described radial pin slot is provided with two, two radial pin slots are oppositely arranged, correspondingly, described Magnetic pin and spring are also equipped with two.It is such a to be designed as most preferably after adopting the structure.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of lock controlled ball valve lock-out state of the present utility model.
Fig. 2 is the cross section structure diagram of lock controlled ball valve free switch state of the present utility model.
Fig. 3 is the main structure diagram of lock controlled ball valve of the present utility model.
Fig. 4 is the overlooking the structure diagram of lock controlled ball valve of the present utility model.
Fig. 5 is the side structure schematic view of lock controlled ball valve of the present utility model.
Fig. 6 is the cross section structure diagram in B-B directions in Fig. 5.
Fig. 7 is the structural representation of the handle of lock controlled ball valve of the present utility model.
Fig. 8 is the structural representation of the solution lock key of lock controlled ball valve of the present utility model.
Shown in figure:1st, valve body, 2, valve rod, 201, limited step, 202, neck, 3, handle, 301, cavity, 302, valve rod Hole, 303, first boss, 304, second boss, 306, radial pin slot, 307, convex neck groove, 4, valve element, 5, convex neck, 501, open limit Position lug, 502, close spacing lug, 503, postive stop baffle, 504, breach, 505, breach, 6, locating part, 601, limited cap, 602nd, connecting rod, 7, return spring, 8, magnetic pin, 9, spring, 10, solution lock key, 1001, magnet.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1, lock controlled ball valve of the present utility model includes valve body 1, valve rod 2, handle 3 and valve element 4.Described Valve body 1 is provided with hollow convex neck 5, and described valve rod 2 is in described convex neck 5.Described valve element 4 is located at described valve body In 1.Described handle 3 is connected to one end of described valve rod 2, and the other end of described valve rod 2 is connected with described valve element 4, Described handle 3 drives described valve rod 2 to rotate, and described valve rod 2 drives described valve element 4 to rotate.Described handle 3 and valve Magnetic locking component is provided between bar 2.
The removable connection finite place piece 6 in one end of described valve rod 2, described handle 3 is provided with cavity 301, described Locating part 6 is arranged in described cavity 301 and spacing in described cavity 301 up and downly.Described locating part 6 with Return spring 7 is provided between the bottom wall of described cavity 301.When described magnetic locking component release lever 3 is with valve rod 2, by By described 3 downward bullet of handle, ball valve is in free switch state for the effect of described return spring 7, and now return spring 7 is in certainly Right extended configuration either mild compression state.When handle 3 moves upward to setting position, the locking of described magnetic locking component Handle 3 and valve rod 2, ball valve is in lock-out state, and now return spring is in compressive state.
Described handle 3 is provided with the valve rod hole 302 being connected with described cavity 301, and described valve rod 2 coordinates in institute In the valve rod hole 302 stated;The inwall of described valve rod hole 302 is provided with first boss 303, and the outer surface of described valve rod 2 is set Limited location step 201;Described first boss 303 is spacing in the upside of described limited step 201.Described locating part 6 wraps Limited cap 601 and connecting rod 602 are included, described limited cap 601 is connected to one end of described connecting rod 602, described connection Bar 602 is detachably connected to one end of described valve rod 2, and described limited cap 601 is spacing in described cavity 301.It is described Connecting rod 602 be connected to the middle part of described valve rod 2, described limited step 201 for one end of described valve rod 2 end Face.Described limited cap 601 is integrally formed with described connecting rod 602, and in this specific embodiment, described locating part 6 is spiral shell Nail, described limited cap 601 are the nut of screw, and described connecting rod 602 is the screw rod of screw;One end of described valve rod 2 End face be provided with screwed hole, one end of described screw rod is coordinated in described screwed hole by screw thread.
The bottom of described handle 3 is provided with second boss 304, and the outer peripheral face of described convex neck 5 is spacing provided with opening Lug 501 and the spacing lug 502 of closing;When described ball valve is in free switch state, described second boss 304 is positioned at described The spacing lug 501 of unlatching and close between spacing lug 502 and the second boss 304 is driven along described convex neck 5 by handle 3 Rotate in a circumferential direction.The lower end of described handle 3 is provided with the convex neck groove 307 being connected with described valve rod hole 302;Described second is convex Platform 304 is on the inwall of described convex neck groove 307;When described ball valve is in free switch state, the lower end of described handle 3 It is linked in outside described convex neck 5, described convex neck 5 is contained in described convex neck groove 307.
On the outer peripheral face of described convex neck 5 and positioned at the described spacing lug 501 of unlatching and close between spacing lug 502 Provided with postive stop baffle 503, between the spacing lug 501 of described unlatching and postive stop baffle 503 or the spacing lug of described closing Between 502 and postive stop baffle 503 or postive stop baffle 503 is provided with the breach 504 for supplying described second boss 304 to pass through;This In specific embodiment, described breach 504 is sector.When described ball valve is in free switch state, described unlatching is spacing to take Son 501, formation activity space 505 between spacing lug 502 and postive stop baffle 503 is closed, with the process of 3 downward bullet of handle In, described second boss 304 passes through described breach 504, is held into described activity space 505, described second boss 304 can rotate in the downside of described postive stop baffle 503, i.e., movable in described activity space 505.This specific embodiment In, described breach 504 is located between the described spacing lug 502 of closing and postive stop baffle 503, i.e., closes shape when ball valve is in During state, therefore described second boss 304, could can be locked ball valve or open ball valve at this moment by breach 504. Open spacing lug 501 and close on the outer peripheral face of spacing the described convex neck 5 of lug 502 and be oppositely arranged, in order that handle 3 and More stably connected between convex neck 5, the settable postive stop baffle 503 in both sides of described convex neck 5 is corresponding thereto, convex Two second boss 304 are may also set up on the ground inwall of neck groove 307, two second boss 304 are oppositely arranged.Due to two it is spacing Baffle plate 503 and second boss 304 are to be oppositely arranged ground, and therefore, another breach 504, which will be arranged on, opens spacing lug 501 Between postive stop baffle 503, so, upward handle 3 when ball valve is closed, two second boss 304 on handle 3 Corresponding breach 504 could be passed through simultaneously.
Described magnetic locking component includes at least two magnetic pins 8 and at least two springs 9, described valve rod hole 302 Inwall be provided with least two radial pin slots 306;The periphery wall of described valve rod 2 is provided with neck 202;Described magnetic pin 8 are slidably fitted in corresponding radial pin slot 306, and described spring 9 is located at corresponding magnetic pin 8 and the bottom land of radial pin slot 306 Between;When lock handle 3 is with valve rod 2, one end of described magnetic pin 8 is contained in described radial pin slot 306, described magnetic Property pin 8 the other end be contained in described neck 202;When release lever 3 is with valve rod 2, one end of described magnetic pin 8 houses In described radial pin slot 306, the other end of described magnetic pin 8 is against on the outer wall of described valve rod 2.Described radial direction Cotter way 306 is provided with two, and two radial pin slots 306 are oppositely arranged, and correspondingly, described magnetic pin 8 and spring 9 are also all provided with There are two.Described neck 202 can be ring-type or the counterbore corresponding with magnetic pin 8.
When described magnetic locking component lock handle 3 is with valve rod 2, the described lower surface of first boss 303 and valve rod 2 Certain operating range between the end face of one end be present, the operating range is the stroke that handle 3 moves downward, therefore, by setting Putting the distance between first boss 303 and the end face of valve rod 2 can the stroke that moves downward of joystick 3.
The course of work of lock controlled ball valve of the present utility model is as follows:
The original state of ball valve is set as free switch state:Magnetic pin 8 staggers with the position of neck 202 on valve rod 2, magnetic Property pin 8 end face contradict and be located in valve rod 2 in the side wall on the downside of neck 202.Described second boss 304 is held into activity space In 505, second boss 304 is driven in the rotation of the downside of postive stop baffle 503 by handle 3.The lower surface of described first boss 303 It is against on the end face of one end of described valve rod 2.Handle 3 is by the second boss 304, the spacing lug 501 of unlatching and closes Spacing lug 502 realizes 90 degree of rotary stoppers, and handle 3 turns over 90 degree clockwise or counterclockwise, realizes that ball valve turns off or on.
During locking ball valve:Ball valve is in and closed, now, second boss 304 is directed at described breach 504, and is located at institute The position directly below for the breach 504 stated.The handle 3 is lifted upwards, and handle 3 is transported upwards together with magnetic pin 8 on its interior It is dynamic.When described magnetic pin 8, which moves to, to be located at the neck 202 in the side wall of valve rod 2 in same horizontal line, the magnetic Magnetic pin 8 is pushed into neck 202, handle 3 is locked with valve rod 2 by pin 8 by the effect of spring 9.Now, on described handle 3 Second boss 304 be located just in described breach 504, handle 3 is rotated by limitation, realizes ball valve locking, i.e., described in The stroke of handle motion be less than second boss lower surface described in when ball valve be in opening and described breach upper edge it Between distance.
When opening ball valve:Solution lock key 10 is placed on outside handle 3, described solution lock key 10 is lid-like, described Solve and be provided with magnet 1001, described magnetic pin 8 with the corresponding position of the magnetic pin 8 on handle 3 on the inwall of lock key 10 The end magnetic relative with magnet 1001 is different.When solve lock key 10 be placed on handle 3 it is outer when, magnet 1001 is by magnetic pin 8 to remote Direction from neck 202 attracts, and magnetic pin 8 acted on during neck 202 is exited by the elastic force of spring 9, magnetic pin 8 with The lower wall card jail of described neck 202, magnetic pin 8 can not be bounced back in radial pin slot 306 by frictional force effect.Now, upwards Light handle 3, handle 3 drives magnetic pin 8, and motion can be such that magnetic pin 8 departs from the lower wall of neck 202 upwards, move back magnetic pin 8 Go out neck 202 to be held into radial pin slot 306.At the same time, cancel the lifting power upward to handle 3, acted on by return spring 7, By 3 downward bullet of handle untill first boss 303 is contradicted on the end face of valve rod 2.Now, the second boss 304 of handle 3 is worn Breach 504 is crossed, has been located in the lower section of described breach 504, ball valve is in free switch state.

Claims (10)

  1. A kind of 1. lock controlled ball valve, it is characterised in that:Including valve body, valve rod and handle;Described valve body is provided with hollow convex neck; Described valve rod is in described convex neck;Described handle is connected to one end of described valve rod, described handle and valve rod Between be provided with magnetic locking component;The removable connection finite place piece in one end of described valve rod, described handle are provided with cavity, Described locating part is arranged in described cavity and spacing in described cavity up and downly;Described locating part and institute Return spring is provided between the bottom wall for the cavity stated;When described magnetic locking component release lever is with valve rod, returned by described By the described downward bullet of handle, ball valve is in free switch state for the effect of position spring;When handle moves upward to setting position, institute The magnetic locking component lock handle and valve rod stated, ball valve are in lock-out state.
  2. 2. lock controlled ball valve according to claim 1, it is characterised in that:Described handle is provided with to be connected with described cavity Logical valve rod hole, described valve rod coordinate in described valve rod hole;The inwall of described valve rod hole is provided with first boss, institute The outer surface for the valve rod stated is provided with limited step;Described first boss is spacing in the upside of described limited step.
  3. 3. lock controlled ball valve according to claim 2, it is characterised in that:Described locating part includes limited cap and connecting rod, Described limited cap is connected to one end of described connecting rod, and described connecting rod is detachably connected to the one of described valve rod End, described limited cap are spacing in described cavity.
  4. 4. lock controlled ball valve according to claim 3, it is characterised in that:Described connecting rod is connected in described valve rod Portion, described limited step are the end face of one end of described valve rod.
  5. 5. lock controlled ball valve according to claim 1, it is characterised in that:The bottom of described handle is provided with second boss, The outer peripheral face of described convex neck, which is provided with, opens spacing lug and the spacing lug of closing;Described ball valve is in free switch state When, described second boss is between the described spacing lug of unlatching and the spacing lug of closing and the second boss is by handle band It is dynamic to be rotated in a circumferential direction along described convex neck.
  6. 6. lock controlled ball valve according to claim 5, it is characterised in that:The lower end of described handle is provided with and described valve rod The convex neck groove that hole is connected;Described second boss is on the inwall of described convex neck groove;Described ball valve is in free switch During state, the lower end of described handle is linked in outside described convex neck, and described convex neck is contained in described convex neck groove.
  7. 7. lock controlled ball valve according to claim 6, it is characterised in that:On the outer peripheral face of described convex neck and positioned at described Open spacing lug and close between spacing lug and be provided with postive stop baffle, between the spacing lug of described unlatching and postive stop baffle or Between the spacing lug of closing and postive stop baffle described in person or postive stop baffle is scarce provided with supplying described second boss to pass through Mouthful;When described ball valve is in free switch state, described second boss can rotate in the downside of described postive stop baffle.
  8. 8. lock controlled ball valve according to claim 7, it is characterised in that:Described breach is located at the described spacing lug of closing Between postive stop baffle;When described ball valve is in lock-out state, described second boss is contained in described breach.
  9. 9. lock controlled ball valve according to claim 2, it is characterised in that:Described magnetic locking component includes at least two magnetic Property pin and at least two springs, the inwall of described valve rod hole are provided with least two radial pin slots;The periphery of described valve rod Wall is provided with neck;Described magnetic pin is slidably fitted in corresponding radial pin slot, and described spring is located at corresponding magnetic Between pin and radial pin slot bottom land;When lock handle is with valve rod, one end of described magnetic pin is contained in described radial pin slot Interior, the other end of described magnetic pin is contained in described neck;When release lever is with valve rod, one end of described magnetic pin It is contained in described radial pin slot, the other end of described magnetic pin is against on the outer wall of described valve rod.
  10. 10. lock controlled ball valve according to claim 9, it is characterised in that:Described radial pin slot is provided with two, two footpaths It is oppositely arranged to cotter way, correspondingly, described magnetic pin and spring are also equipped with two.
CN201720428734.9U 2017-04-21 2017-04-21 Lock controlled ball valve Withdrawn - After Issue CN206802368U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720428734.9U CN206802368U (en) 2017-04-21 2017-04-21 Lock controlled ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720428734.9U CN206802368U (en) 2017-04-21 2017-04-21 Lock controlled ball valve

Publications (1)

Publication Number Publication Date
CN206802368U true CN206802368U (en) 2017-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720428734.9U Withdrawn - After Issue CN206802368U (en) 2017-04-21 2017-04-21 Lock controlled ball valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979353A (en) * 2017-04-21 2017-07-25 宁波杰克龙精工有限公司 Lock controlled ball valve
CN110735941A (en) * 2018-07-18 2020-01-31 浙江三花制冷集团有限公司 control valve and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979353A (en) * 2017-04-21 2017-07-25 宁波杰克龙精工有限公司 Lock controlled ball valve
CN110735941A (en) * 2018-07-18 2020-01-31 浙江三花制冷集团有限公司 control valve and manufacturing method thereof
CN110735941B (en) * 2018-07-18 2022-04-12 浙江三花制冷集团有限公司 Control valve and manufacturing method thereof

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Granted publication date: 20171226

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AV01 Patent right actively abandoned

Granted publication date: 20171226

Effective date of abandoning: 20230516