CN220891247U

CN220891247U - Anti-theft valve

Info

Publication number: CN220891247U
Application number: CN202322543686.6U
Authority: CN
Inventors: 田艳艳; 项柱中
Original assignee: Zhejiang Tongyi Valve Manufacturing Co ltd
Current assignee: Zhejiang Tongyi Valve Manufacturing Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-03
Anticipated expiration: 2033-09-19

Abstract

The utility model relates to the technical field of valve safety, which is provided with an anti-theft valve, comprising an anti-theft valve main body and a matched anti-theft valve unlocking key, and is characterized in that: the anti-theft valve body is fixedly matched with an anti-theft valve unlocking key, the anti-theft valve body comprises an outer valve rod and a protective gland, and the anti-theft valve unlocking key comprises a control handle, a rotary telescopic rod and a fixed ball component.

Description

Anti-theft valve

Technical Field

The utility model relates to the technical field of valve safety, and provides a theft-proof valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. Depending on their function, they can be classified into shutoff valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are also classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, non-standard custom valves, etc. according to materials, the valves are devices used for controlling the direction, pressure and flow of fluid in a fluid system, and are devices for enabling or stopping the flow of media (liquid, gas and powder) in pipes and equipment and controlling the flow of the fluid. The valve is a control component in the pipeline fluid conveying system and is used for changing the section of the passage and the flow direction of the medium, and has the functions of diversion, cut-off, throttling, check, diversion or overflow pressure relief and the like. The valve for fluid control ranges from the simplest stop valve to various valves used in extremely complex automatic control systems, and has various varieties and specifications, and the nominal diameter of the valve ranges from an extremely small instrument valve to an industrial pipeline valve with the diameter of 10 m. The valve can be used for controlling the flow of various types of fluids such as water, steam, oil products, gas, slurry, various corrosive media, liquid metal, radioactive fluid and the like, the working pressure of the valve can be ultrahigh pressure from 0.0013MPa to 1000MPa, and the working temperature can be ultralow temperature from c-270 ℃ to high temperature of 1430 ℃. The control of the valve can adopt various transmission modes, such as manual operation, electric operation, hydraulic operation, pneumatic operation, turbine operation, electromagnetic hydraulic operation, electro-hydraulic operation, pneumatic operation, spur gear, bevel gear drive and the like; the valve can be operated according to preset requirements under the action of pressure, temperature or other forms of sensing signals, or can be simply opened or closed without depending on the sensing signals, and the valve can enable the opening and closing piece to do lifting, sliding, swinging or rotating movement by depending on a driving or automatic mechanism, so that the size of the flow passage area of the valve is changed to realize the control function of the valve.

The utility model provides a CN202021159886.1 discloses a valve, includes the valve body and with valve body fixed connection's casing, be equipped with filter screen and case in the valve body, the case is located one side that is close to the casing, be equipped with first cavity and second cavity in the valve body, the filter screen is located first cavity, be equipped with the locating part with fastening filter screen in the first cavity, the valve body includes first connecting portion, second connecting portion and third connecting portion in proper order for one side outer wall that valve body and casing are connected, first connecting portion, second connecting portion and third connecting portion all with casing fixed connection, be equipped with first sealing block, second sealing block and the third sealing block that is used for with first connecting portion, second connecting portion and third connecting portion complex respectively in the casing, second sealing block and third sealing block all are located and keep away from casing opening part and with first sealing block fixed connection to provide a valve convenient to install, gas tightness is high, simple structure.

In the above proposed utility model, although the second sealing block and the third sealing block are both located at the opening of the casing and are fixedly connected with the first sealing block, so as to provide a valve which is convenient to install, high in air tightness and simple in structure, the disadvantage is that when the middle valve is installed in an external public area, certain trouble on work caused by unexpected opening or closing of idle people and the like is difficult to avoid, the hidden anti-theft switch device is installed at the top of the inner valve port of the valve, the Baohua gland is movably installed at the top of the outer valve port, a fully-sealed structure can be realized, packing filler is eliminated, meanwhile, the abrasion condition of the valve is reduced, the service life is prolonged, and the matched key in the design of the valve is also increased and optimized, so that the key has certain portability after being combined, and the problem that the key is difficult to store and carry is avoided.

Disclosure of Invention

The present utility model is directed to a valve for preventing theft, which solves the above-mentioned problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to the technical field of valve safety, and provides a theft-proof valve, which comprises a theft-proof valve main body and a matched theft-proof valve unlocking key, wherein the theft-proof valve main body is fixedly matched with the theft-proof valve unlocking key, the theft-proof valve main body comprises an outer valve rod and a protective gland, and the theft-proof valve unlocking key comprises a control handle, a rotary telescopic rod and a fixed ball component.

Preferably, the top of the anti-theft valve main body is fixedly provided with an outer valve rod, the top opening of the outer valve rod is fixedly provided with a protective gland, and the diameter of the protective gland is larger than that of the outer valve rod.

Preferably, the opening part of the outer valve rod is fixedly provided with a thread cutting opening, the inner valve rod is fixedly arranged in the outer valve rod, the top of the inner valve rod is fixedly provided with a hidden mechanical anti-theft switch device, and the unlocking opening shape of the hidden mechanical anti-theft switch device is unique.

Preferably, the bottom of the protective gland is fixedly provided with a bolt, the diameter of the bolt is equal to that of the outer valve rod, and the thread of the bolt is matched with the thread opening on the outer valve rod.

Preferably, the top of the anti-theft valve unlocking key is fixedly provided with a control handle, the control handle can be folded and stored into a whole, the bottom of the middle part of the control handle is fixedly provided with a rotary telescopic rod, the rotary telescopic rod is divided into three sections altogether, the diameter of each section is larger than that of the last section, the rotary telescopic rod can be stored in the middle part, and the last section of the rotary telescopic rod is fixedly connected with a fixed ball assembly.

Preferably, the fixed ball assembly comprises an unlocking fixed rod, a recovery port and a fixed port, wherein the unlocking fixed rod is movably installed around the fixed ball assembly respectively and is rotatably connected to the fixed port on the ball body, and the bottom position corresponding to the unlocking fixed rod is fixedly provided with a notch and the recovery port.

The utility model has the following beneficial effects:

1. The utility model relates to a theft-proof valve, which is characterized in that a hidden theft-proof switch device is arranged at the top of an inner valve port of the valve, and a Baohua gland is movably arranged at the top of an outer valve port, so that a full-sealing structure can be realized, packing filler is eliminated, and meanwhile, the abrasion condition of the valve is reduced, thereby prolonging the service life.

2. The utility model also optimizes the anti-theft valve aiming at the matched keys, and the keys can be combined to have certain portability through the mechanical opening and closing design, so that the problems that the prior keys are difficult to store and carry are avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an anti-theft valve;

FIG. 2 is a schematic diagram showing the disassembly of a protective gland of a valve for preventing theft;

FIG. 3 is a schematic view of the interior of the outer stem of a valve for preventing theft;

FIG. 4 is a schematic illustration of a anti-theft valve body and an anti-theft valve unlocking key of an anti-theft valve;

FIG. 5 is a schematic diagram of an anti-theft valve unlocking key for an anti-theft valve;

Fig. 6 is a schematic diagram of an anti-theft unlocking key combination of an anti-theft valve.

In the figure: 1. a valve body for preventing theft; 2. anti-theft valve unlocking key; 101. an outer valve stem; 102. protecting the gland; 201. a control handle; 202. rotating the telescopic rod; 203. a fixed ball assembly; 1011. concealed mechanical anti-theft switch device; 1012. a threaded port; 1013. an inner valve stem; 1021. a bolt; 2031. unlocking the fixed rod; 2032. recovering the mouth; 2033. and fixing the opening.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model is a valve for preventing theft, comprising a valve body 1 for preventing theft and a matched key 2 for unlocking the valve, wherein the valve body 1 for preventing theft is fixedly matched with the key 2 for unlocking the valve, the valve body 1 for preventing theft comprises an outer valve rod 101 and a protective gland 102, and the key 2 for unlocking the valve for preventing theft comprises a control handle 201, a rotary telescopic rod 202 and a fixed ball assembly 203.

The top of the anti-theft valve body 1 is fixedly provided with an outer valve rod 101, and the top opening of the outer valve rod 101 is fixedly provided with a protective gland 102, and the diameter of the protective gland 102 is larger than that of the outer valve rod 101.

The opening part of the outer valve rod 101 is fixedly provided with a thread cutting port 1012, the inner valve rod 1013 is fixedly arranged in the outer valve rod 101, the top of the inner valve rod 1013 is fixedly provided with the hidden mechanical anti-theft switch device 1011, and the unlocking port shape of the hidden mechanical anti-theft switch device 1011 is unique.

A bolt 1021 is fixedly installed at the bottom of the protective gland 102, the diameter of the bolt 1021 is equal to that of the outer valve rod 101, and the threads of the bolt 1021 are matched with the threaded port 1012 on the outer valve rod 101.

The top of the anti-theft valve unlocking key 2 is fixedly provided with a control handle 201, the control handle 201 can be folded and stored into a whole, the bottom of the middle part of the control handle 201 is fixedly provided with a rotary telescopic rod 202, the total of three sections of the rotary telescopic rod 202 are provided with diameters larger than the diameter of the last section, the last section of the rotary telescopic rod 202 can be stored in the inside, and the last section of the rotary telescopic rod 202 is fixedly connected with a fixed ball assembly 203.

The fixed ball assembly 203 comprises an unlocking fixed rod 2031, a recovery port 2032 and a fixed port 2033, wherein the unlocking fixed rod 2031 is movably installed around the fixed ball assembly 203 respectively, and is rotatably connected to the fixed port 2033 on the ball body, and a notch and the recovery port 2032 are fixedly arranged at the bottom corresponding to the unlocking fixed rod 2031.

Working principle: when the equipment is used, firstly, the fully sealed structure can be realized through the arrangement of the protective gland 102, the very tight thread joint is combined through the bolt 1021 arranged on the protective gland 102, so that the internal structure is also well protected, then, the hidden mechanical anti-theft switch device 1011 fixedly arranged on the internal valve rod 1013 can be prevented from being opened or closed randomly by a non-staff during installation in a public area, certain trouble is caused on working, finally, improvement optimization is carried out on the paired anti-theft valve unlocking key 2, the design of a plurality of mechanical lever keys is relatively large, thus, great inconvenience is brought to staff in storage or carrying, the middle lever is also optimized into the rotary telescopic rod 202 through the folding design arranged at the place of the control handle 201, and finally, the purpose of conveniently carrying a large key is realized in a mechanical folding manner in the fixed ball assembly 203 at the bottom.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a valve that prevents burglary, includes valve body (1) and supporting valve unlocking key (2) that prevents burglary, its characterized in that: the anti-theft valve body (1) is fixedly matched with an anti-theft valve unlocking key (2), the anti-theft valve body (1) comprises an outer valve rod (101) and a protective gland (102), and the anti-theft valve unlocking key (2) comprises a control handle (201), a rotary telescopic rod (202) and a fixed ball assembly (203).

2. A valve for preventing theft according to claim 1, characterized in that: the anti-theft valve is characterized in that an outer valve rod (101) is fixedly arranged at the top of the anti-theft valve body (1), a protective gland (102) is fixedly arranged at the top opening of the outer valve rod (101), and the diameter of the protective gland (102) is larger than that of the outer valve rod (101).

3. A valve for preventing theft according to claim 2, characterized in that: the opening part of the outer valve rod (101) is fixedly provided with a cut-thread opening (1012), an inner valve rod (1013) is fixedly arranged in the outer valve rod (101), the top of the inner valve rod (1013) is fixedly provided with a hidden mechanical anti-theft switch device (1011), and the shape of an unlocking opening on the hidden mechanical anti-theft switch device (1011) is unique.

4. A valve for preventing theft according to claim 1, characterized in that: the bottom of the protection gland (102) is fixedly provided with a bolt (1021), the diameter of the bolt (1021) is equal to that of the outer valve rod (101), and the threads of the bolt (1021) are matched with the threaded port (1012) on the outer valve rod (101).

5. A valve for preventing theft according to claim 4, wherein: the anti-theft valve unlocking key is characterized in that a control handle (201) is fixedly arranged at the top of the anti-theft valve unlocking key (2), the control handle (201) can be folded and stored into a whole, a rotary telescopic rod (202) is fixedly arranged at the bottom of the middle part of the control handle (201), the total of three parts of the rotary telescopic rod (202) are arranged, the diameter of each part of the rotary telescopic rod is larger than that of the last part of the rotary telescopic rod, the last part of the rotary telescopic rod (202) is fixedly connected with a fixed ball assembly (203) and the last part of the rotary telescopic rod can be stored in the rotary telescopic rod.

6. A valve for preventing theft according to claim 1, characterized in that: the fixed ball assembly (203) comprises an unlocking fixed rod (2031), a recovery port (2032) and a fixed port (2033), wherein the unlocking fixed rod (2031) is movably installed around the fixed ball assembly (203) respectively, and is rotatably connected to the fixed port (2033) on the ball body, and a notch is fixedly formed in the bottom position corresponding to the unlocking fixed rod (2031) and the recovery port (2032) is formed in the bottom position corresponding to the unlocking fixed rod.