CN220749214U

CN220749214U - Valve lock is prevented tearing open by banding

Info

Publication number: CN220749214U
Application number: CN202322400087.9U
Authority: CN
Inventors: 陈勇; 王振贤; 李智欢
Original assignee: Changyuan Contron Power Security Technology Co Ltd
Current assignee: Changyuan Contron Power Security Technology Co Ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-09
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the technical field of valve locks, in particular to a belt-shaped anti-disassembly valve lock which comprises a lock body assembly, a locking matching assembly, a handle and a locking piece; the lock body assembly is fixedly arranged at the operation end of the valve rod of the valve through the locking piece and is provided with a lock pin; the locking matching component is fixedly connected to the valve body of the valve through a positioning piece, and a limiting hole is formed in one side of the locking matching component; when the valve is in a closed state, the bottom end of the lock pin can penetrate into or withdraw from the limiting hole; when the valve is in a closed state and the lock body assembly is locked, the bottom end of the lock pin penetrates into the limiting hole, the lock pin blocks the mounting hole of the lock body assembly and the positioning hole of the locking matching assembly, and the handle is mounted on one side of the lock body assembly, so that the problem that the existing locking device is easy to detach from the valve and cannot collect the state of the valve after unlocking is solved.

Description

Valve lock is prevented tearing open by banding

Technical Field

The utility model relates to the technical field of valve locks, in particular to a belt-shaped anti-disassembly valve lock.

Background

The valve is used for flow control and has a very wide application field. Taking petrochemical industry as an example, a large number of valves can be used in a transportation system, a measurement and control system and the like. There are various kinds of valves according to the application requirements or environments, and the construction or the size of the valves are different, but the basic principles are different.

The valve comprises a valve body and a valve rod, wherein the valve rod is arranged on the valve body to control the opening and closing of a fluid channel in the valve body, a handle is usually arranged at the operating end of the valve rod and is pressed by a cap-shaped bolt, and the valve rod is controlled to open, close or adjust the flow of the valve by rotating the handle.

In order to prevent the valve from being mistakenly operated by people in the prior art, a locking device is arranged on the valve, and the valve is particularly applied to petroleum pipelines, chemical pipelines, water delivery pipelines, gas delivery pipelines or pipeline valves with explosion-proof requirements, if misoperation occurs during pipeline overhaul, harmful substances can be leaked, and the life and property safety of people is endangered. However, the locking device in the prior art is additionally installed on the valve, that is, the locking device is not installed on the valve into a whole, the locking device can be taken away after unlocking, the locking device cannot collect the state of the valve, and in addition, the function of preventing the locking device from being removed is not available in the state of closing the valve.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide a belt-shaped anti-disassembly valve lock which solves the problems that the existing locking device is easy to detach from a valve and the state of the valve cannot be acquired after unlocking.

To achieve the purpose, the utility model adopts the following technical scheme:

a kind of belt-like anti-disassembly valve lock, install in the valve, including lock body assembly, locking the assembly, hand grip and locking piece of cooperation;

the lock body assembly is fixedly arranged at the operation end of the valve rod of the valve through the locking piece, the lock body assembly is provided with a lock pin, when the lock body assembly is in a locking state, the lock pin is fixed on the lock body assembly, and when the lock body assembly is in an unlocking state, the lock pin can reciprocate up and down along the lock body assembly;

the locking matching component is fixedly connected to the valve body of the valve through a positioning piece, and a limiting hole is formed in one side of the locking matching component; when the valve is in a closed state, the limiting hole is vertically opposite to the lock pin, and the bottom end of the lock pin can penetrate into or withdraw from the limiting hole;

when the valve is in a closed state and the lock body assembly is locked, the bottom end of the lock pin penetrates into the limiting hole, the lock pin blocks a mounting hole of the lock body assembly and a positioning hole of the locking matching assembly, the mounting hole is used for mounting the locking piece, and the positioning hole is used for mounting the positioning piece;

the handle is arranged on one side of the lock body assembly, and when the bottom end of the lock pin exits from the limiting hole, the handle is rotated to drive the lock body assembly to rotate, and the rotation of the lock body assembly drives the valve rod to rotate.

Further, the lock body assembly comprises a lock body and a mounting column;

the bottom of the lock body is provided with an access hole, and the mounting column is positioned in the access hole;

the mounting column is connected with the operating end of the valve rod, and an annular groove is formed in the middle of the mounting column along the circumferential direction;

the locking piece is installed in the installation hole, the end part of the locking piece abuts against the annular groove, and the lock body assembly is connected to the operation end of the valve rod through limit fit of the locking piece and the annular groove.

Further, the locking matching component comprises a locking seat and a plurality of positioning pieces;

the locking seat is of a U-shaped structure, a region surrounded by the U-shaped structure is used for accommodating the valve body, two opposite wall surfaces of the U-shaped structure are respectively provided with a plurality of positioning holes, a plurality of positioning pieces are respectively correspondingly arranged in the positioning holes and prop against the upper region of the valve body, and the locking seat is connected with the valve body through the positioning pieces;

an outer side surface of the U-shaped structure horizontally extends to form a locking plate, and the limiting hole is formed in the locking plate.

Further, the lock body assembly further comprises a lock cylinder and a plug assembly;

a locking position notch and an unlocking position notch are formed in the side surface, facing the latch assembly, of the latch from top to bottom, and the latch assembly is matched with or separated from the locking position notch or the unlocking position notch under the control of the lock cylinder;

when the latch assembly is matched with the locking position notch, the bottom end of the lock pin penetrates into the limiting hole, and when the latch assembly is matched with the unlocking position notch, the bottom end of the lock pin is far away from the limiting hole and is located above the mounting hole.

In an embodiment, the lock body is further provided with a lock cylinder assembly hole, a lock pin through hole and a plug pin assembly hole, the lock pin through hole and the lock cylinder assembly hole are vertically formed, the plug pin assembly hole is horizontally formed, and the plug pin assembly hole is respectively communicated with the lock pin through hole and the lock cylinder assembly hole;

the bolt assembly comprises a transverse bolt, a spring and a riveting plug, wherein the rear end of the transverse bolt is connected with the spring, and the transverse bolt and the spring are limited in the bolt assembly hole through the riveting plug;

the horizontal bolt is equipped with the group groove towards the position of lock core pilot hole, the lock core install in the lock core pilot hole, the drive end of lock core is equipped with the semicylinder, the semicylinder is located dial the inslot, when the pivot through key twist lock core rotates, the semicylinder with dial the groove cooperation, the horizontal bolt be in the semicylinder with reciprocating motion under the drive of spring, the reciprocating motion of horizontal bolt can make the front end embedding of horizontal bolt or keep away from the locking position notch or the unblock position notch.

Further, the lock body assembly is further provided with a chip and a circuit board, the chip is installed in the lock cylinder assembly hole and located above the lock cylinder, the chip is provided with a key through hole, and the chip is electrically connected with the circuit board.

Further, the lock body assembly further comprises a mounting box and a cover plate, and the circuit board is mounted in the mounting box;

one side of the lock body is also provided with a containing cavity, the containing cavity is used for containing the installation box, and the cover plate is detachably installed at the opening of the containing cavity.

Further, the lock body assembly is further provided with a position sensor, the position sensor is electrically connected with the circuit board, and the position sensor is used for detecting the position of the lock pin.

Preferably, the position sensor comprises a magnet and a reed pipe, wherein the magnet is installed in the lock pin, the reed pipe is installed in the installation box, and the reed pipe is electrically connected with the circuit board.

Further, the device also comprises a mounting block; the installation block is located the below of access hole, the installation block is equipped with the through-hole, the through-hole with the operating end phase-match of valve rod, the operating end of valve rod wears to locate the through-hole with the erection column is connected.

The technical scheme provided by the utility model can comprise the following beneficial effects:

1. the lock body assembly is arranged at the operating end of the valve rod through the locking piece, the locking matching assembly is fixedly arranged on the valve body, the handle is arranged on one side of the lock body assembly, when the valve is in a closed state, the bottom end of the lock pin on the lock body assembly can penetrate into or withdraw from the limiting hole of the locking matching piece, when the bottom end of the lock pin penetrates into the limiting hole, the lock body assembly is in a locking state, the valve is closed, the handle can not rotate due to the limiting of the limiting hole to the lock pin, so that the valve can not be mistakenly operated by a person, the locking setting of the valve is realized, the lock body assembly and the handle are integrally arranged, the state of the valve can be intuitively judged through the positions of the lock pin and the limiting hole, and the lock body assembly and the locking matching piece are arranged without being damaged, influencing and machining the original valve in the reconstruction work.

2. When the valve is closed, the bottom of the lock pin penetrates into the limit hole to lock the valve, the lock pin blocks the mounting hole of the lock body assembly, the mounting hole is used for mounting the fastening piece, the lock body assembly is fixed at the operating end of the valve rod through the fastening piece, the lock pin blocks the mounting hole, so that the lock body assembly cannot be detached from the valve through a tool without damage, the use safety of the valve is further ensured, the locking position of the valve can be accurately known, and the data of valve state judgment are true and reliable.

Drawings

Fig. 1 is a front view of one embodiment of the present utility model.

Fig. 2 is a schematic view of a valve-mounted structure according to an embodiment of the present utility model.

Fig. 3 is a disassembled schematic of fig. 2.

Fig. 4 is a burst view of a lock body assembly according to one embodiment of the present utility model.

Fig. 5 is a top view of a lock body assembly according to one embodiment of the present utility model.

Fig. 6 is a cross-sectional view taken along the direction A-A of fig. 5.

Fig. 7 is a sectional view in the direction B-B of fig. 5.

Fig. 8 is a cross-sectional view of a lock body assembly in an unlocked state according to one embodiment of the present utility model.

Wherein: lock body assembly 1, lock pin 10, lock position notch 101, unlock position notch 102, limit slide groove 103, limit pin 104, lock body 11, mounting hole 111, access hole 112, lock cylinder assembly hole 113, dust cap 1131, lock pin through hole 114, plug assembly hole 115, receiving cavity 116, mounting post 12, annular groove 121, lock cylinder 13, semi-cylinder 131, plug assembly 14, cross plug 141, toggle 1411, spring 142, rivet plug 143, chip 15, key through hole 151, circuit board 16, position sensor 17, magnet 171, reed switch 172, mounting box 18, cover plate 19, lock fitting assembly 2, limit hole 21, lock seat 22, positioning hole 221, positioning piece 23, lock plate 24, handle 3, lock piece 4, mounting block 5, through hole 51, valve body 01, valve stem 02.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following further describes the technical solution of the present utility model by means of specific embodiments with reference to fig. 1 to 8.

As shown in fig. 1 to 3, a belt-shaped anti-disassembly valve lock is mounted on a valve and comprises a lock body assembly 1, a locking matching assembly 2, a handle 3 and a locking piece 4;

the lock body assembly 1 is fixedly arranged at the operation end of the valve rod 02 of the valve through the locking piece 4, the lock body assembly 1 is provided with a lock pin 10, when the lock body assembly 1 is in a locking state, the lock pin 10 is fixed on the lock body assembly 1, and when the lock body assembly 1 is in an unlocking state, the lock pin 10 can reciprocate up and down along the lock body assembly 1;

the locking matching component 2 is fixedly connected to a valve body 01 of the valve through a positioning piece 23, and a limiting hole 21 is formed in one side of the locking matching component 2; when the valve is in a closed state, the limiting hole 21 is vertically opposite to the lock pin 10, and the bottom end of the lock pin 10 can penetrate into or withdraw from the limiting hole 21;

when the valve is in a closed state and the lock body assembly 1 is locked, the bottom end of the lock pin 10 penetrates into the limit hole 21, the lock pin 10 blocks the mounting hole 111 of the lock body assembly 1 and the positioning hole 221 of the locking matching assembly, the mounting hole 111 is used for mounting the locking piece 4, and the positioning hole 221 is used for mounting the positioning piece 23;

the handle 3 is installed on one side of the lock body assembly 1, and when the bottom end of the lock pin 10 exits from the limiting hole 21, the handle 3 is rotated to drive the lock body assembly 1 to rotate, and the rotation of the lock body assembly 1 drives the valve rod 02 to rotate.

In order to prevent the valve from being mistakenly operated by people in the prior art, a locking device is arranged on the valve, and the valve is particularly applied to petroleum pipelines, chemical pipelines, water delivery pipelines, gas delivery pipelines or pipeline valves with explosion-proof requirements, if misoperation occurs during pipeline overhaul, harmful substances leak, and the life and property safety of people is endangered. However, the locking device in the prior art is not installed on the valve to form a whole, the locking device can be taken away after unlocking, the valve state cannot be acquired, and after the locking device is installed, the structure for preventing the locking device from being removed is not provided in the state of closing the valve, therefore, the utility model provides a belt-shaped anti-dismantling valve door lock, an original cap-shaped bolt and a handle installed at the operation end of a valve rod 02 are dismantled, a lock body assembly 1 is installed at the operation end of the valve rod 02 through a locking piece 4, a locking matching assembly 2 is fixedly installed on a valve body 01 of the valve through a positioning piece 23, a handle 3 is installed on one side of the lock body assembly 1, when the valve is in a closed state, the bottom end of a lock pin 10 on the lock body assembly 1 can penetrate into or withdraw from a limiting hole 21 of the locking matching assembly 2, when the bottom end of the lock body assembly 10 penetrates into the limiting hole 21, the lock body assembly 1 is in a locking state, the valve is closed, the handle 3 cannot rotate due to the limiting of the limiting hole 21 on the locking pin 10, thereby preventing the valve from being damaged by a person, and the valve is visually improved, and the position of the locking assembly 1 is not matched with the locking assembly 2 when the valve is installed in the original state, and the locking assembly is not visually improved, and the locking assembly is not installed; in addition, when the valve is closed, the bottom end of the lock pin 10 penetrates into the limit hole 21 to lock the valve, the lock pin 10 blocks the mounting hole 111 of the lock body assembly 1 and the positioning hole 221 of the locking matching assembly, the mounting hole 111 is used for mounting the locking piece 4, the positioning hole 221 is used for mounting the positioning piece 23, because the lock body assembly 1 is fixed at the operating end of the valve rod 02 through the locking piece 4, the locking matching assembly 2 is fixedly mounted on the valve body 01 of the valve through the positioning piece 23, the lock pin 10 blocks the mounting hole 111 and the positioning hole 221, and the lock body assembly 1 and the locking matching assembly 2 cannot be detached from the valve through tools, so that the anti-disassembly function of the anti-disassembly belt-shaped valve lock is further ensured when the valve is in the closed state, the safety of the use of the valve can be accurately known, and the open and close position of the valve is accurately known, so that the data of valve state judgment is true and reliable.

In an alternative embodiment, the lock body assembly 1 includes a lock body 11 and a mounting post 12;

an access hole 112 is formed in the bottom of the lock body 11, and the mounting column 12 is positioned in the access hole 112;

the mounting column 12 is connected with the operation end of the valve rod 02, and an annular groove 121 is formed in the middle of the mounting column 12 along the circumferential direction;

the locking piece 4 is installed in the installation hole 111, the end part of the locking piece 4 abuts against the annular groove 121, and the lock body assembly 1 is connected to the operation end of the valve rod 02 through limit fit between the locking piece 4 and the annular groove 121.

Further, as shown in fig. 6, an access hole 12 is provided at the bottom of the lock body 11, the mounting post 12 is located in the access hole 12, the operation end of the valve rod is screwed into the mounting post 12, an annular groove 121 is provided at the middle of the mounting post 12, the locking piece 4 is mounted in the mounting hole 111 and the end of the locking piece 4 abuts against the annular groove 121, and the locking piece 4 is in limit fit with the annular groove 121, so that the lock body assembly 1 is connected to the operation end of the valve rod 02, and the installation is convenient and quick without modifying the original valve. In a specific embodiment, the locking member 4 is an inner hexagonal pyramid end fastening screw, the inner hexagonal pyramid end fastening screw is screwed into the mounting hole 111, the end of the inner hexagonal pyramid end fastening screw is embedded into the annular groove 121, in a specific embodiment, another inner hexagonal pyramid end fastening screw is screwed into the other side surface of the lock body 11, and the end of another inner hexagonal pyramid end fastening screw is also embedded into the annular groove 121, so that the fixing of the mounting post 12 is firmer.

In an alternative embodiment, the latch fitting assembly 2 includes a latch base 22 and a plurality of detents 23;

the locking seat 22 is of a U-shaped structure, a region surrounded by the U-shaped structure is used for accommodating the valve body 01, two opposite wall surfaces of the U-shaped structure are respectively provided with a plurality of positioning holes 221, a plurality of positioning pieces 23 are respectively correspondingly arranged in the plurality of positioning holes 221 and prop against the upper region of the valve body 01, and the locking seat 22 and the valve body 01 are connected through the plurality of positioning pieces 23;

an outer side surface of the U-shaped structure horizontally extends to form a locking plate 24, and the limiting hole 21 is formed in the locking plate 24.

Further, as shown in fig. 3, the locking seat 22 is in a U-shaped structure, the locking seat 22 is disposed below the valve body 01, the valve body 01 is located in the U-shaped structure, the positioning holes 221 penetrating into two wall surfaces of the U-shaped structure through a plurality of positioning pieces are propped against an upper region of the valve body 01 to fix the locking seat 22 on the valve body 01, the locking seat 22 is convenient and quick to install, an original valve is not required to be modified, a locking plate 24 is horizontally extended from an outer side surface of the locking seat 22, a limiting hole 21 is formed in the locking plate 24, when the bottom end of the locking pin 10 penetrates into the limiting hole 21 to lock and protect the valve, the locking pin 10 is blocked by the positioning holes 221 located on one side of the locking plate 24, and the positioning pieces 23 cannot be detached, so that the locking matching component 2 cannot be detached from the valve body 01, and the locking structure is simple. Preferably, the positioning hole 221 is a threaded hole, and the positioning member 23 is an inner hexagonal cone end set screw.

In an alternative embodiment, the lock body assembly 1 further comprises a lock cylinder 13 and a plug assembly 14;

a locking notch 101 and an unlocking notch 102 are formed in the side surface, facing the latch assembly 14, of the latch 10 from top to bottom, and the latch assembly 14 is matched with or separated from the locking notch 101 or the unlocking notch 102 under the control of the lock cylinder 13;

when the latch assembly 14 is matched with the locking position notch 101, the bottom end of the lock pin 10 penetrates into the limiting hole 21, and when the latch assembly 14 is matched with the unlocking position notch 102, the bottom end of the lock pin 10 is far away from the limiting hole 21 and is located above the mounting hole 111.

As shown in fig. 7 and 8, specifically, the latch assembly 14 is driven by rotating the lock cylinder 13 to be matched with the locking position notch 101 or the unlocking position notch 102 of the lock pin 10, when the latch assembly 14 is matched with the locking position notch 101, the lock pin 10 is fixed in the limiting hole 21, the valve is closed, the lock body assembly 1 cannot be removed from the valve, when the latch assembly 14 is matched with the unlocking position notch 102, the lock pin 10 is fixed at a position far away from the limiting hole 21, the bottom end of the lock pin 10 is located above the mounting hole 111, namely, when the valve is required to be openable, the lock pin 10 is far away from the limiting hole 21, and the lock body assembly 1 can be detached from the valve, so that the operations such as valve maintenance are facilitated.

In an alternative embodiment, the lock body 11 is further provided with a lock cylinder assembly hole 113, a lock pin through hole 114 and a plug assembly hole 115, the lock pin through hole 114 and the lock cylinder assembly hole 113 are vertically opened, the plug assembly hole 115 is horizontally opened, and the plug assembly hole 115 is respectively communicated with the lock pin through hole 114 and the lock cylinder assembly hole 113;

the bolt assembly 14 comprises a transverse bolt 141, a spring 142 and a riveting plug 143, wherein the rear end of the transverse bolt 141 is connected with the spring 142, and the transverse bolt 141 and the spring 142 are limited in the bolt assembly hole 115 through the riveting plug 143;

the horizontal bolt 141 is equipped with the plectrum 1411 towards the position of lock core pilot hole 113, lock core 13 install in the lock core pilot hole 113, the drive end of lock core 13 is equipped with half cylinder 131, half cylinder 131 is located dial inslot 1411, when turning the pivot of lock core 13 through the key, half cylinder 131 with dial groove 1411 cooperation, horizontal bolt 141 in half cylinder 131 with the drive of spring 142 reciprocates, horizontal bolt 141's reciprocating motion can make the front end embedding of horizontal bolt 141 or keep away from locking position notch 101 or unblock position notch 102.

As shown in fig. 4 and 7, the semi-cylinder 131 of the lock cylinder 13 is placed in the poking groove 1411 of the cross pin 141, the lock cylinder 13 is rotated, the poking groove 1411 is pushed by the rotation of the semi-cylinder 131 so that the cross pin 141 can horizontally reciprocate, and when the cross pin 141 moves toward the lock pin 10, the front end of the cross pin 141 can be inserted into the locking position notch 101 or the unlocking position notch 102 of the lock pin 10 so that the lock pin 10 is fixed at different positions.

As shown in fig. 7 and 8, in a specific embodiment, a side surface of the lock pin 10 facing away from the locking position notch 101 and the unlocking position notch 102 is provided with a limit sliding groove 103, the lock body 11 is mounted through a limit pin 104 and passes through the limit sliding groove 103, and when the front end of the transverse plug pin 141 is embedded into the locking position notch 101, the upper end of the limit sliding groove 103 abuts against the limit pin 104; when the front end of the transverse bolt 141 is embedded into the unlocking position notch 102, the lower end of the limiting sliding groove 103 abuts against the limiting pin 104, which is beneficial to conveniently and accurately positioning the lock pin 10 during movement, and prevents the lock pin 10 from being separated from the lock body assembly 1.

In an alternative embodiment, the lock body assembly 1 is further provided with a chip 15 and a circuit board 16, the chip 15 is installed in the lock cylinder assembly hole 113 and located above the lock cylinder 13, the chip 15 is provided with a key through hole 151, and the chip 15 is electrically connected with the circuit board 16.

As shown in fig. 4, as can be understood, the code chip 15 is disposed above the lock core 13, and the key can be inserted into the lock core 13 to switch the lock after passing through the key through hole 151 on the code chip 15, the code chip 15 is connected with the circuit board, and the key generates an operation record when the key is operated to switch the lock, so that the key has traceability, clear responsibility and more convenient management. Preferably, the lock body assembly 1 is further provided with a dust cover 1131, and the dust cover 1131 covers the lock cylinder assembly hole 113.

In an alternative embodiment, the lock body assembly 1 further includes a mounting box 18 and a cover plate 19, and the circuit board 15 is mounted in the mounting box 18;

one side of the lock body 11 is further provided with a containing cavity 116, the containing cavity 116 is used for containing the installation box 18, and the cover plate 19 is detachably installed at an opening of the containing cavity 116.

Further, as shown in fig. 4 and 6, the circuit board 15 is placed in the installation box 18, so as to protect the circuit board 15 and the connection circuit, and facilitate circuit connection, and the lock body 11 is provided with a containing cavity 116 for containing the installation box 18, and the installed installation box 18 is directly placed in the containing cavity 116, and then the opening of the containing cavity 116 is plugged by the cover plate 19, so that the lock body assembly 1 is convenient and quick to disassemble and assemble, and the production efficiency is improved.

In an alternative embodiment, the lock assembly 1 is further provided with a position sensor 17, the position sensor 17 is electrically connected to the circuit board 16, and the position sensor 17 is used for detecting the position of the lock pin 10.

It will be appreciated that by providing a position sensor electrically connected to the circuit board 16 to obtain the position of the latch 10, as shown in fig. 7 and 8, it can be determined whether the valve is in the closed and latched state. Therefore, the switch position of the valve is determined by wirelessly reading the code chip by the key, because the coil in the code chip transmits the information of the coil to be read by the computer key. The computer key can be inserted into the lock core to wirelessly receive two kinds of information to judge unlocking and equipment states, one is the ID of the lockset, and the ID can be unlocked by the correct key, otherwise, the unlocking and equipment states can not be judged. One is the valve position information obtained from the position of the lock pin 10.

Preferably, the position sensor 17 includes a magnet 171 and a reed switch 172, the magnet 171 is mounted in the lock pin 10, the reed switch 172 is mounted in the mounting box 18, and the reed switch 172 is electrically connected to the circuit board 16.

Understandably, as shown in fig. 7 and 8, by providing the magnet 171 in the lock pin 10, the reed switch 172 is installed in the installation box 18, so that the circuit connection of the reed switch 172 with the circuit board 16 is facilitated, and the structure is simple and the installation is convenient.

In an alternative embodiment, the mounting block 5 is also included;

the installation block 5 is located below the access hole 112, the installation block 5 is provided with a through hole 51, the through hole 51 is matched with the operation end of the valve rod 02, and the operation end of the valve rod 02 is arranged through the through hole 51 and connected with the installation column 12.

Further, as shown in fig. 3 and 6, the mounting block 5 is added below the access hole 112, and the operating end of the valve rod 02 passes through the through hole 51 matched with the mounting block 5 and is connected with the mounting post 12 in the access hole 112, so that the mounting post 12 is limited in the access hole 112 by the mounting block 5, and then is fixed by the locking piece 4, so that the valve rod 02 and the lock body assembly 1 are more firmly mounted.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. The utility model provides a valve lock is prevented tearing open by banding, installs in the valve, its characterized in that: comprises a lock body component, a locking matching component, a handle and a locking piece;

2. The belt-like tamper-evident valve lock of claim 1, wherein: the lock body assembly comprises a lock body and a mounting column;

3. The belt-like tamper-evident valve lock of claim 1, wherein: the locking matching component comprises a locking seat and a plurality of positioning pieces;

4. The belt-like tamper-evident valve lock of claim 1, wherein: the lock body assembly further comprises a lock cylinder and a bolt assembly;

5. The belt-like tamper-evident valve lock of claim 4, wherein: the lock body is also provided with a lock cylinder assembly hole, a lock pin through hole and a bolt assembly hole, wherein the lock pin through hole and the lock cylinder assembly hole are vertically formed, the bolt assembly hole is horizontally formed, and the bolt assembly hole is respectively communicated with the lock pin through hole and the lock cylinder assembly hole;

6. The belt-like tamper-evident valve lock of claim 5, wherein: the lock body assembly is further provided with a code chip and a circuit board, the code chip is installed in the lock cylinder assembly hole and located above the lock cylinder, the code chip is provided with a key through hole, and the code chip is electrically connected with the circuit board.

7. The belt-like tamper-evident valve lock of claim 6, wherein: the lock body assembly further comprises a mounting box and a cover plate, and the circuit board is mounted in the mounting box;

8. The belt-like tamper-evident valve lock of claim 7, wherein: the lock body assembly is further provided with a position sensor, the position sensor is electrically connected with the circuit board, and the position sensor is used for detecting the position of the lock pin.

9. The belt-like tamper-evident valve lock of claim 8, wherein: the position sensor comprises a magnet and a reed pipe, wherein the magnet is installed in the lock pin, the reed pipe is installed in the installation box, and the reed pipe is electrically connected with the circuit board.

10. The belt-like tamper-evident valve lock of claim 2, wherein: the device also comprises a mounting block;

the installation block is located the below of access hole, the installation block is equipped with the through-hole, the through-hole with the operating end phase-match of valve rod, the operating end of valve rod wears to locate the through-hole with the erection column is connected.