Ball valve locking device

Abstract

The utility model relates to the field of locking devices, in particular to a ball valve locking device which comprises a lock body assembly, a locking seat clamped on a ball valve and a locking cover used for locking and limiting a handle of the ball valve. The locking seat is provided with a through groove used for a ball valve handle to penetrate through and a positioner used for clamping and positioning the ball valve. The lock body assembly is arranged on the locking seat, a passive magnetic induction component is arranged on the lock body assembly, a communicating opening and two or more locking stations are arranged on the locking cover, a valve handle of the ball valve extends out of the communicating opening, and magnetic elements are arranged on the locking stations; the locking cover is detachably connected with the lock body assembly through the locking station, and when the locking cover is connected with the lock body assembly, the magnetic element on the locking station and the passive magnetic induction element in the lock body assembly are mutually induced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of locking device, more particularly, a ball valve locking device. BACKGROUND

[0002] Ball valve can cut off the pipeline of fluid quickly, therefore, ball valve has been widely used at present.

[0003] But with the in-depth application, people find that, in order to prevent unauthorized personnel misoperation, the ball valve on the market, generally use wire and lead seal way to lock on the ball valve, this locking mode although structure is relatively simple, but poor safety, and no state electronic feedback management system to lock the state of valve real-time monitoring, therefore, it is necessary to put forward a kind of ball valve locking device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model provides a ball valve locking device to overcome at least one of the defects (deficiency) of the prior art.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a ball valve locking device, comprising a lock body assembly, a locking seat clamped on the ball valve and a locking cover for locking and limiting the handle of the ball valve.

[0006] The locking seat is provided with a through slot for the handle of the ball valve to pass through and a positioner for clamping and positioning the ball valve.

[0007] The lock body assembly is arranged on the locking seat, and the lock body assembly is provided with a passive magnetic induction component; the locking cover is provided with a communication port for the handle of the ball valve to extend out and two or more locking stations, and the locking stations are provided with magnetic elements.

[0008] The locking cover is detachably connected with the lock body assembly through the locking station. When the locking cover is connected with the lock body assembly, the magnetic element on the locking station and the passive magnetic induction element in the lock body assembly are in mutual induction. The through slot provided on the locking seat can facilitate the ball valve handle to pass through, and the positioner provided on the locking seat can quickly clamp and position the ball valve, facilitating the installation of the locking seat. Since the locking cover is provided with the communication port for the ball valve handle to extend out and two or more locking stations, when the ball valve handle extends out of the communication port of the locking cover, the lock body assembly can determine the position of the ball valve handle in real time according to the position of the passive magnetic induction element in mutual induction with the magnetic element on the locking cover. The ball valve locking device is simple and convenient without the need to modify the ball valve during locking, and can further strengthen the locking protection of the ball valve to avoid the unauthorized personnel from misoperating the ball valve to cause the ball valve to be accidentally closed or opened.

[0009] Further, the locking seat comprises a locking seat panel, a locking seat first base plate and a locking seat second base plate, and the positioner comprises a positioning screw and a positioning wedge.

[0010] The locking seat first base plate and the locking seat second base plate are respectively arranged on the two sides of the locking seat panel, and the through slot is located between the locking seat first base plate and the locking seat second base plate.

[0011] The positioning wedge is arranged on the locking seat first base plate and the locking seat second base plate through the positioning screw, and the positioning wedge on the locking seat first base plate and the locking seat second base plate of the locking seat is clamped on the ball valve when the locking seat is installed in place.

[0012] The locking seat panel is provided with a through hole or a notch for the ball valve handle to pass through. The positioning wedge is arranged on the locking seat first base plate and the locking seat second base plate through the positioning screw, so that the positioning wedge in the ball valve locking device can be clamped on the ball valve when the ball valve locking device is clamped in place, thereby realizing the quick installation and positioning of the ball valve locking device.

[0013] Further, the locking seat first base plate, the locking seat second base plate and the locking seat panel are all provided with a plurality of communication installation holes, and the locking seat first base plate and the locking seat second base plate are adjustably arranged on the two sides of the locking seat panel through the positioning bolt. The locking seat first base plate and the locking seat second base plate can adjust the installation distance between the locking seat first base plate and the locking seat second base plate according to the need, so that the ball valve locking device is suitable for ball valves of different sizes.

[0014] Furthermore, it also includes a connecting threaded rod and a tightening nut;

[0015] The first base plate of the locking seat and the second base plate of the locking seat are provided with mounting through holes at the top and bottom;

[0016] The connecting threaded rod passes through the mounting through holes on the first and second base plates of the locking seat and is locked with the tightening nut. When the ball valve locking device is fitted onto the ball valve, the connecting threaded rod and the tightening nut ensure that the ball valve locking device and the ball valve will not separate without human intervention.

[0017] Furthermore, the lock body assembly includes a lock body mounting base, a locking pin, an NFC antenna, and an MCU controller disposed within the lock body mounting base;

[0018] One end of the MCU controller is connected to a passive magnetic induction device, and the other end is connected to an NFC antenna;

[0019] The locking station is equipped with a locking hole;

[0020] When the lock body mounting base is connected to the locking station, the passive magnetic induction component in the lock body mounting base and the magnetic component in the locking station induce each other.

[0021] The locking pin is retractably mounted on the lock body mounting base. When the locking pin extends, it is inserted into the locking hole of the locking position. In this invention, there are two locking positions, with an included angle of 90 degrees between them. In the first locking position, the magnetic element is located on the left side, and in the second locking position, the magnetic element is located on the right side. Passive magnetic induction elements are also provided at the upper and lower ends of the lock body assembly. Therefore, after the ball valve handle is positioned, the operator can fit the connecting port for the ball valve handle to the ball valve handle. If the passive magnetic induction element at the upper end of the lock body mounting base senses the magnetic element at the locking position, the ball valve handle is determined to be in a closed state. If the passive magnetic induction element at the lower end of the lock body mounting base senses the magnetic element at the locking position, the ball valve handle is determined to be in an open state.

[0022] Furthermore, it also includes a converter, springs, and a lock cylinder with a keyhole;

[0023] The locking pin is provided with a slot, and the locking pin is set on the lock body mounting base by a spring;

[0024] The end of the conversion component is D-shaped, the head of the conversion component is connected to the lock cylinder, and the end of the conversion component is rotatably locked in the groove of the locking pin.

[0025] The lock core is connected with the MCU controller, when the authorized personnel needs to unlock the locking cover, the key is inserted into the key hole of the lock core and rotated, since the conversion piece is connected with the lock core, the conversion piece also rotates with the lock core, and since the end of the conversion piece is in the shape of "D", when the straight line edge of the "D" shape abuts against the edge of the clamping groove of the locking pin, the locking pin is inserted into the locking hole of the locking station under the action of the spring, the locking station is fixed, when the conversion piece rotates by 90 degrees, the intersection of the straight line edge and the arc edge of the "D" shape structure at the end of the conversion piece abuts against the edge of the clamping groove of the locking pin, the locking pin exits the locking hole of the locking station, and the separation of the lock body assembly and the locking cover is realized.

[0026] Further, the lock body mounting seat is provided with a guide groove, the locking cover is provided with a guide clamping block, and the locking cover is sleeved on the guide groove of the lock body mounting seat through the guide clamping block. Through the arrangement of the guide groove and the guide clamping block, the locking cover can be quickly mounted with the lock body mounting seat.

[0027] Further, the passive magnetic induction component is a reed switch or a proximity switch, and the magnetic element is a magnet. When the passive magnetic induction component is a reed switch, when the magnetic element is close to the reed switch, two spring sheets of the reed switch are magnetized to generate magnetic fields of different polarities. When the magnetic element is attached to the reed switch, the two spring sheets are attracted together, so that conduction is realized. When the magnetic element is separated from the reed switch, the two spring sheets are gradually demagnetized and disconnected, so that disconnection is realized. When the passive magnetic induction component is a proximity switch, if the magnetic element is attached to the proximity switch, the proximity switch can detect the approach of the magnetic element and trigger the proximity switch to open. When the magnetic element is separated from the proximity switch, the proximity switch is closed. In actual application, the passive magnetic induction component and the magnetic element can also be replaced by other similar components, which are within the protection scope of the utility model.

[0028] Further, the locking seat panel is provided with a mounting clamping block, and the lock body mounting seat is arranged on the mounting clamping block. Through the arrangement of the mounting clamping block on the locking seat panel, the lock body mounting seat can be more conveniently mounted, and the utility model is simple and practical.

[0029] Further, the locking cover and the lock body mounting seat are made of plastic or metal or alloy material. In actual application, the locking cover and the lock body mounting seat can also be made of other materials according to the needs of use, which are easily thought of by those skilled in the art.

[0030] Compared with the prior art, the utility model technical scheme has the beneficial effects that:

[0031] The utility model discloses a ball valve lock device, through the through groove set up on the lock seat, can be convenient for ball valve handle to pass through, and the positioner set up on the lock seat can be quick to ball valve door and set and position, the installation of lock seat is convenient, and because the intercommunication mouth and two and two or more locking stations for ball valve handle to stretch out are equipped on the lock cover, when the ball valve handle stretches out from the intercommunication mouth of the lock cover, the lock body assembly can carry out real -time judgment to the position of current ball valve handle according to the position of passive magnetic induction component that mutually inducts with the magnetic element on the lock cover, and the ball valve lock device is relative to the traditional lock, does not need to transform ball valve when locking, simple and convenient, in addition, can also strengthen the locking protection of ball valve, avoids the misoperation of ball valve of non - authorized personnel and leads to the situation that ball valve is accidentally closed or accidentally opens. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the structure schematic diagram of ball valve in the utility model.

[0033] Figure 2 It is the structure schematic diagram of ball valve on the ball valve when the ball valve lock device of the utility model sets in the locking state.

[0034] Figure 3 It is the structure schematic diagram of ball valve on the ball valve when the ball valve lock device of the utility model sets in the locking state.

[0035] Figure 4 It is the structure schematic diagram of ball valve lock device after the lock cover of the utility model is removed.

[0036] Figure 5 It is the structure schematic diagram of ball valve lock device after the lock cover and the lock body mounting seat of the utility model are removed.

[0037] Figure 6 It is the structure schematic diagram of ball valve on the ball valve when the ball valve lock device of the utility model sets in the unlocking state.

[0038] Figure 7 It is the structure schematic diagram of ball valve lock device of the utility model.

[0039] Figure 8 It is the structure schematic diagram of ball valve lock device of the utility model.

[0040] Figure 9 It is the structure schematic diagram of ball valve lock device after the lock cover of the utility model is removed.

[0041] Figure 10Is the ball valve locking device in the utility model after the structure schematic diagram of locking cover and lock body assembly dismantling.

[0042] Figure 11 Is the structure schematic diagram of locking seat of the utility model.

[0043] Figure 12 Is the internal structure schematic diagram of ball valve locking device of the utility model.

[0044] Figure 13 Is the structure schematic diagram of the first angle of locking seat setting in ball valve of the utility model.

[0045] Figure 14 Is the structure schematic diagram of the second angle of locking seat setting in ball valve of the utility model.

[0046] Figure 15 Is the structure schematic diagram of the first angle of locking seat first base plate and locking seat second base plate of the utility model.

[0047] Figure 16 Is the structure schematic diagram of the second angle of locking seat first base plate and locking seat second base plate of the utility model.

[0048] Figure 17 Is the structure schematic diagram of lock body assembly of the utility model.

[0049] Figure 18 Is the internal structure schematic diagram of lock body assembly of the utility model.

[0050] Figure 19 Is the structure schematic diagram of locking cover setting in lock body assembly of the utility model.

[0051] Figure 20 Is the structure schematic diagram of locking cover of the utility model.

[0052] Figure 21 Is the structure schematic diagram of passive magnetic induction component setting in lock body assembly of the utility model.

[0053] In the figure, 1 is a lock body assembly, 2 is a ball valve, 3 is a locking seat, 4 is a ball valve handle, 5 is a locking cover, 6 is a through slot, 7 is a positioner, 8 is a passive magnetic induction component, 9 is a communication port, 10 is a locking station, 11 is a magnetic element, 12 is a locking seat panel, 13 is a locking seat first base plate, 14 is a locking seat second base plate, 15 is a positioning screw, 16 is a positioning wedge, 17 is a through hole, 18 is a communication mounting hole, 19 is a positioning bolt, 20 is a communication threaded rod, 21 is a sleeve nut, 22 is a mounting through hole, 23 is a lock body mounting seat, 24 is a locking pin, 25 is an NFC antenna, 26 is an MCU controller, 27 is a locking hole, 28 is a conversion piece, 29 is a spring, 30 is a lock cylinder, 31 is a clamping groove, 32 is a guide groove, 33 is a guide clamping block, and 34 is a mounting clamping seat. DETAILED DESCRIPTION

[0054] The accompanying drawings are only used for illustrative purposes and should not be construed as limiting the patent; in order to better illustrate the embodiment, some components of the drawings may be omitted, enlarged or reduced, and do not represent the actual product size; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0055] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be said that the two elements are connected internally. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The technical solutions of the present application will be further described below in conjunction with the drawings and examples.

[0056] As Figure 1-8As shown, a ball valve locking device includes a lock body assembly 1, a locking seat 3 that is locked onto a ball valve 2, and a locking cover 5 for locking and limiting the ball valve handle 4. The locking seat 3 has a through groove 6 for the ball valve handle 4 to pass through and a positioner 7 for locking and positioning the ball valve 2. The lock body assembly 1 is disposed on the locking seat 3 and has a passive magnetic induction element 8. The locking cover 5 has a communication port 9 for the ball valve handle 4 to extend out and two or more locking positions 10, and a magnetic element 11 is provided on the locking positions 10. The locking cover 5 is detachably connected to the lock body assembly 1 through the locking positions 10. When the locking cover 5 is connected to the lock body assembly 1, the magnetic element 11 on the locking position 10 and the passive magnetic induction element 8 in the lock body assembly 1 sense each other, and the locking is achieved through the through groove 6 provided on the locking seat 3. The ball valve handle 4 can pass through easily, while the positioner 7 on the locking seat 3 can quickly lock and position the ball valve 2, facilitating the installation of the locking seat 3. Since the locking cover 5 has a connecting port 9 for the ball valve handle 4 to extend and two or more locking positions 10, when the ball valve handle 4 extends out of the connecting port 9 of the locking cover 5, the lock body assembly 1 can judge the position of the ball valve handle 4 in real time according to the position of the passive magnetic induction element 8 that is mutually induced with the magnetic element 11 on the locking cover 5. Moreover, compared with traditional locking devices, this ball valve locking device does not require modification of the ball valve 2 when locking, which is simple and convenient. In addition, it can strengthen the locking protection of the ball valve 2 and prevent unauthorized personnel from accidentally closing or opening the ball valve 2 due to misoperation.

[0057] like Figure 9-16 As shown, the locking seat 3 includes a locking seat panel 12, a locking seat first base plate 13, and a locking seat second base plate 14. The positioner 7 includes a positioning screw 15 and a positioning wedge 16. The locking seat first base plate 13 and the locking seat second base plate 14 are respectively disposed on both sides of the locking seat panel 12, and the through groove 6 is located between the locking seat first base plate 13 and the locking seat second base plate 14. The positioning wedge 16 is respectively disposed on the locking seat first base plate 13 and the locking seat second base plate 14 by the positioning screw 15. When the locking seat 3 is installed in place, the locking seat on the locking seat 3... The positioning wedges 16 on the first base plate 13 and the second base plate 14 of the locking seat are engaged on the ball valve 2. The locking seat panel 12 is provided with a through hole 17 or notch for the ball valve handle 4 to pass through. By setting the positioning wedges 16 on the first base plate 13 and the second base plate 14 of the locking seat respectively through positioning screws 15, when the ball valve locking device is engaged, the positioning wedges 16 in the ball valve locking device can be engaged on the ball valve 2, thereby realizing the quick installation and positioning of the ball valve locking device, which is simple and convenient.

[0058] In the utility model, the plurality of through installation holes 18 are arranged on the first base plate 13, the second base plate 14 and the faceplate 12 of the locking seat, the first base plate 13 and the second base plate 14 are adjustably arranged on the two sides of the faceplate 12 through the positioning bolt 19, the plurality of through installation holes 18 are arranged on the first base plate 13, the second base plate 14 and the faceplate 12, therefore, the first base plate 13 and the second base plate 14 can adjust the installation distance between the first base plate 13 and the second base plate 14 according to the requirement, so that the ball valve locking device is suitable for the ball valve 2 of different sizes, in addition, the through threaded rod 20 and the tight nut 21 are further included, the top and the bottom of the first base plate 13 and the second base plate 14 are provided with the installation through hole 22, the through threaded rod 20 is locked with the tight nut 21 after passing through the installation through hole 22 on the first base plate 13 and the second base plate 14, and when the ball valve locking device is sleeved on the ball valve 2, the through threaded rod 20 and the tight nut 21 can ensure that the ball valve locking device and the ball valve 2 cannot be separated non-humanly.

[0059] As shown in the figure, Figure 17-21 The lock body assembly 1 includes a lock body mounting seat 23, a locking pin 24, an NFC antenna 25 and an MCU controller 26 arranged in the lock body mounting seat 23; one end of the MCU controller 26 is connected with the passive magnetic induction component 8, and the other end is connected with the NFC antenna 25; the locking hole 27 is arranged on the locking station 10; when the lock body mounting seat is connected with the locking station 10, the passive magnetic induction component 8 in the lock body mounting seat 23 and the magnetic element 11 in the locking station 10 are inductively connected with each other; the locking pin 24 is telescopically arranged on the lock body mounting seat 23, and when the locking pin 24 is extended, the locking pin 24 is inserted into the locking hole 27 of the locking station 10; in the utility model, the locking station 10 is two, and the included angle between the two locking stations 10 is 90 degrees, wherein, in the first locking station 10, the magnetic element 11 is arranged on the left side of the first locking station 10, and in the second locking station 10, the magnetic element 11 is arranged on the right side of the second locking station 10, and the passive magnetic induction component 8 is also arranged at the upper end and the lower end of the lock body assembly 1, therefore, when the ball valve handle 4 is positioned, the construction personnel can sleeve the through port 9 for the ball valve handle 4 on the ball valve handle 4, if the passive magnetic induction component 8 at the upper end of the lock body mounting seat 23 and the magnetic element 11 on the locking station 10 inductively connect with each other at this time, it is judged that the ball valve handle 4 is in the closed state at this time, if the passive magnetic induction component 8 at the lower end of the lock body mounting seat 23 and the magnetic element 11 on the locking station 10 inductively connect with each other, it is judged that the ball valve handle 4 is in the open state at this time.

[0060] In the utility model, the conversion piece 28 is connected with the lock cylinder 30, and the end of the conversion piece 28 is rotatably clamped on the clamping groove 31 of the locking pin 24; the lock cylinder 30 is connected with the MCU controller 26; when the authorized personnel needs to unlock the locking cover 5, the key is inserted into the key hole of the lock cylinder 30 and rotated; since the conversion piece 28 is connected with the lock cylinder 30, the conversion piece 28 also rotates with the lock cylinder 30; since the end of the conversion piece 28 is in the shape of "D", when the straight line edge of the "D" shape is in abutment with the edge of the clamping groove 31 of the locking pin 24, the locking pin 24 is inserted into the locking hole 27 of the locking station 10 under the action of the spring 29, and the locking station 10 is fixed; when the conversion piece 28 rotates by 90 degrees, the intersection of the straight line edge and the arc edge of the "D" shape structure of the end of the conversion piece 28 is in abutment with the edge of the clamping groove 31 of the locking pin 24, the locking pin 24 exits the locking hole 27 of the locking station 10, and the lock body assembly 1 is separated from the locking cover 5; the guiding groove 32 is arranged on the lock body mounting seat 23, the guiding clamping block 33 is arranged on the locking cover 5, the locking cover 5 is sleeved on the guiding groove 32 of the lock body mounting seat 23 through the guiding clamping block 33, and the locking cover 5 can be quickly mounted on the lock body mounting seat 23 through the arrangement of the guiding groove 32 and the guiding clamping block 33.

[0061] In the utility model, the passive magnetic induction component 8 is a reed switch or a proximity switch, and the magnetic element 11 is a magnet; when the passive magnetic induction component 8 is a reed switch, when the magnetic element 11 is close to the reed switch, the two spring leaves of the reed switch are magnetized to generate magnetic fields of different polarities; when the magnetic element 11 is attached to the reed switch, the two spring leaves are attracted together, so that conduction is realized; when the magnetic element 11 is separated from the reed switch, the two spring leaves are gradually demagnetized and disconnected, so that disconnection is realized; when the passive magnetic induction component 8 is a proximity switch, if the magnetic element 11 is attached to the proximity switch, the proximity switch can detect the approach of the magnetic element 11 to trigger the proximity switch to open; when the magnetic element 11 is separated from the proximity switch, the proximity switch is closed; in actual application, the passive magnetic induction component 8 and the magnetic element 11 can also be replaced by other similar components, which are within the protection scope of the utility model; the mounting clamping block 34 is arranged on the locking seat panel 12, and the lock body mounting seat 23 is arranged on the mounting clamping block 34; the lock body mounting seat 23 can be more conveniently mounted by arranging the mounting clamping block 34 on the locking seat panel 12; in addition, the locking cover 5 and the lock body mounting seat 23 are made of plastic or metal or alloy material; in actual application, the locking cover 5 and the lock body mounting seat 23 can also be made of other materials according to the needs of use, which are easily thought of by those skilled in the art.

[0062] Embodiment

[0063] In the embodiment, the ball valve locking device is convenient for the ball valve handle to pass through when installed, and the positioner arranged on the locking seat can quickly clamp and position the ball valve handle, thereby facilitating the installation of the locking seat.

[0064] In addition, the locking stations on the locking cover are two, and the included angle between the two locking stations is 90 degrees, wherein the magnetic element is arranged on the left side of the first locking station, the magnetic element is arranged on the right side of the second locking station, and the passive magnetic induction element is arranged on the upper end and the lower end of the lock body assembly, so that when the ball valve handle is positioned, the construction personnel can slee the communication port for the ball valve handle on the ball valve handle, if the passive magnetic induction element on the upper end of the lock body mounting seat and the magnetic element on the locking station are in mutual induction, it is judged that the ball valve handle is in the closed state, if the passive magnetic induction element on the lower end of the lock body mounting seat and the magnetic element on the locking station are in mutual induction, it is judged that the ball valve handle is in the open state.

[0065] In the drawings, the position relationship is only used for example description, and cannot be understood as the limitation of the patent; obviously, the above-mentioned embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For the ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above-mentioned description. Here, all the embodiments are not exhausted, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A ball valve locking device, comprising a lock body assembly, a locking seat clamped on a ball valve, and a locking cover for locking and limiting a handle of the ball valve, characterized in that: the locking seat is provided with a through slot for the handle of the ball valve to pass through and a positioner for clamping and positioning the ball valve; the lock body assembly is arranged on the locking seat and is provided with a passive magnetic induction component; the locking cover is provided with a communication port for the handle of the ball valve to extend out of and two or more locking stations, and the locking stations are provided with magnetic components; the locking cover is detachably connected to the lock body assembly through the locking stations, and when the locking cover is connected to the lock body assembly, the magnetic components on the locking stations and the passive magnetic induction component in the lock body assembly are in mutual induction. The locking seat comprises a locking seat panel, a first locking seat base plate and a second locking seat base plate, and the positioner comprises a positioning screw and a positioning wedge. The first and second locking seat base plates are arranged on the two sides of the locking seat panel respectively, and the through slot is located between the first and second locking seat base plates. The positioning wedges are arranged on the first and second locking seat base plates through the positioning screws respectively, and the positioning wedges on the first and second locking seat base plates are clamped on the ball valve when the locking seat is installed in place.

2. The ball valve lockout device of claim 1, wherein: The locking seat panel is provided with a through hole or a notch for the handle of the ball valve to pass through. The first and second locking seat base plates are adjustably arranged on the two sides of the locking seat panel through positioning bolts. The locking seat is also provided with a communication threaded rod and a tightening nut. The top and bottom of the first and second locking seat base plates are provided with mounting through holes.

3. The ball valve lockout device of claim 2, wherein: The communication threaded rod passes through the mounting through holes on the first and second locking seat base plates and is locked with the tightening nut.

4. The ball valve lockout of claim 3, wherein: The lock body assembly comprises a lock body mounting seat, a locking pin, an NFC antenna and an MCU controller arranged in the lock body mounting seat. One end of the MCU controller is connected to the passive magnetic induction component, and the other end is connected to the NFC antenna. The locking stations are provided with locking holes.

5. The ball valve lockout of claim 2, wherein: When the lock body mounting seat is connected to the locking stations, the passive magnetic induction component in the lock body mounting seat and the magnetic components in the locking stations are in mutual induction. The locking pin is telescopically arranged on the lock body mounting seat, and when the locking pin extends out, the locking pin is inserted into the locking hole of the locking station. The locking device also comprises a conversion piece, a spring and a lock cylinder with a key hole. The locking pin is arranged on the lock body mounting seat through the spring. The end of the conversion piece is in the shape of "D", the head of the conversion piece is connected to the lock cylinder, and the end of the conversion piece is rotatably clamped on the clamping groove of the locking pin.

6. The ball valve lockout device of claim 5, wherein: The lock cylinder is connected to the MCU controller. The lock body mounting seat is provided with a guide slot, the locking cover is provided with a guide clamping block, and the locking cover is sleeved on the guide slot of the lock body mounting seat through the guide clamping block. ​ ​ 7. The ball valve lockout device of claim 5, wherein: ​ 8. The ball valve lockout of claim 1, wherein: The passive magnetic induction component is a reed switch or a proximity switch, and the magnetic element is a magnet.

9. The ball valve lockout of claim 5, wherein: The locking seat panel is provided with a mounting clamping seat, and the lock body mounting seat is arranged on the mounting clamping seat.

10. The ball valve lockout device of claim 5, wherein: The locking cover and the lock body mounting seat are made of plastic or metal or alloy material.

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