Heating device for cylinder valve of protective gas cylinder

By setting up a heating chamber inside the gas cylinder valve and using wire mesh and heating wire, the problem of gas cylinder valve freezing in winter is solved, and safe and efficient gas discharge is achieved.

CN223579688UActive Publication Date: 2025-11-21CHONGQING SHENKAI GAS TECH CO LTD
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Patent Information

Application Number
CN202520001705.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-11-21
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

Existing gas cylinder valves are prone to freezing during winter use, preventing gas from escaping properly. Furthermore, existing defrosting methods pose safety hazards or are inconvenient to operate.

Method used

A heating chamber is set inside the gas cylinder valve, and wire mesh and heating wire are used for uniform heating. The gas is heated by a heat-conducting plate, and a temperature sensor is used to detect the temperature and control the heating to ensure safe heating.

Benefits of technology

It enables automatic heating of gas cylinder valves in winter, preventing freezing, increasing gas discharge speed, and ensuring a safe and efficient defrosting process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223579688U_ABST
    Figure CN223579688U_ABST
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Abstract

The utility model relates to the technical field of gas cylinder valves, in particular to a heating device for protecting a gas cylinder valve, which comprises a gas cylinder opening, a cylinder valve body is fixedly mounted on the right side of the gas cylinder opening, a battery piece is fixedly mounted at the top of the cylinder valve body, and a heating wire is fixedly connected to the outer side of an iron gauze. A temperature sensor is fixedly installed at the top of the cylinder valve body, and a heat conducting piece is fixedly connected into the cylinder valve body. According to the heating device of the protective gas cylinder valve, the heating cavity is formed in the cylinder valve body, the iron gauze and the heating wire are arranged in the heating cavity, when the temperature sensing probe of the temperature sensor detects that the temperature in the valve cavity is too low, the heating wire is heated by controlling the battery piece, and the iron gauze is used for uniformly conducting heat to the valve cavity; meanwhile, the heat-conducting fin with the air holes is arranged at the air outlet channel, and after the heat of the heating wire is absorbed by the heat-conducting fin, the air is heated to increase the molecular activity, so that the air exhaust speed is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas cylinder valve technical field, concretely is a kind of heating device of protection gas cylinder valve. BACKGROUND

[0002] Valve is the valve structure of control bottle gas in and out, the existing gas valve structure is divided into three kinds: one is flap type, one is diaphragm type, and another needle type, wherein diaphragm type valve gas is good, but easy to damage, short service life, therefore, currently more adopt flap type valve, this valve is convenient to use, can be directly opened with wrench.

[0003] However, part of the gas cylinder valve in the prior art is not provided with an automatic heating component outside, especially when the gas cylinder is used in winter, the internal structure of the valve is prone to freezing, at this time the gas in the bottle cannot be normally discharged, and part of the prior art uses near fire source baking heating or hot water thawing method, as known to all, when filling flammable and explosive gas such as oxygen or hydrogen in the bottle, it is strictly prohibited to approach open fire for safety, and hot water thawing needs continuous operation, which is time-consuming and laborious, therefore, in order to solve the above technical problems, a heating device for protecting gas cylinder valve is provided. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a heating device for protecting gas cylinder valve, which has the advantages of being able to automatically heat and warm the valve structure, and solves the problem that part of the existing valve lacks a heating component outside, and the internal structure of the valve is prone to freezing when used in winter.

[0005] To achieve the above object, the utility model provides the following technical scheme: a heating device for protecting gas cylinder valve, comprising a gas cylinder port, a valve body is fixedly installed on the right side of the gas cylinder port, a uniform heating assembly is arranged outside the valve body;

[0006] The uniform heating assembly comprises a battery piece, a wire mesh, a heating wire, a temperature sensor and a heat-conducting sheet, the battery piece is fixedly installed on the top of the valve body, the wire mesh is fixedly connected inside the valve body, the heating wire is fixedly connected to the outside of the wire mesh, the temperature sensor is fixedly installed on the top of the valve body, and the heat-conducting sheet is fixedly connected inside the valve body.

[0007] Further, the valve body comprises a valve chamber, a valve stem and a valve core, the valve core is fixedly connected to the left end of the valve stem on the right side, a rotating handle is fixedly connected to the right end of the valve stem, an air inlet channel is formed through the inner right wall of the gas cylinder port and the inner left wall of the valve chamber, a first sealing washer is fixedly connected to the outside of the air inlet channel, the left side of the valve core is in close contact with the air inlet channel, and a second sealing washer is fixedly connected to the outside of the valve core.

[0008] Furthermore, the valve chamber has an air outlet channel through the inner top and bottom walls. The top and bottom of the valve core are respectively sealed to the two air outlet channels. A third sealing gasket is fixedly connected to the inner right wall of the valve chamber. A threaded cylinder is fixedly connected inside the valve chamber. The valve stem has a threaded ring on the outside, and the valve stem is threaded to the inner side of the threaded cylinder through the threaded ring.

[0009] Furthermore, a heating chamber is provided inside the valve body of the bottle valve. The wire mesh is a ring-shaped structure and is fixedly connected to the inner wall of the heating chamber. The inner left wall of the heating chamber is connected to two air outlet channels. The heating wire is covered with an insulating layer.

[0010] Furthermore, the heating wire has an S-shaped structure and is electrically connected to the battery cell. A temperature sensing probe is provided at the bottom of the temperature sensor and is electrically connected to the battery cell.

[0011] Furthermore, there are two heat-conducting plates, which are located inside the two air outlet channels respectively, and the interior of each of the two heat-conducting plates is provided with a number of air holes.

[0012] Beneficial effects

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The heating device for the protective gas cylinder valve has a heating chamber inside the valve body. The heating chamber contains a wire mesh and a heating wire. When the temperature sensor probe detects that the temperature inside the valve chamber is too low, it controls the battery to heat the heating wire and uses the wire mesh to conduct heat evenly to the valve chamber. At the same time, a heat-conducting plate with air holes is set at the gas outlet. After the heat-conducting plate absorbs the heat from the heating wire, it heats the gas and increases the molecular activity, thereby increasing the gas discharge speed. Attached Figure Description

[0015] Figure 1 This is a cross-sectional view of the overall structure of this utility model;

[0016] Figure 2 for Figure 1 A cross-sectional view of the valve body structure of a bottle valve from a central perspective;

[0017] Figure 3 for Figure 2 A schematic diagram of the heat-conducting sheet structure from a visual perspective.

[0018] In the diagram: 1. Gas cylinder opening; 2. Cylinder valve body; 201. Valve chamber; 202. Valve stem; 203. Valve core; 3. Uniform heating assembly; 301. Battery cell; 302. Wire mesh; 303. Heating wire; 304. Temperature sensor; 305. Heat-conducting sheet. DETAILED DESCRIPTION

[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Please refer to Figures 1-3 A heating device for protecting a cylinder valve, comprising a cylinder mouth 1, a valve body 2 fixedly installed on the right side of the cylinder mouth 1, the cylinder mouth 1 and the valve body 2 being connected in penetration, and a uniform heating assembly 3 arranged outside the valve body 2.

[0021] The uniform heating assembly 3 comprises a battery sheet 301, a wire mesh 302, a heating wire 303, a temperature sensor 304 and a heat-conducting sheet 305. The battery sheet 301 is fixedly installed on the top of the valve body 2. The wire mesh 302 is fixedly connected inside the valve body 2. The heating wire 303 transmits temperature to the wire mesh 302, and the wire mesh 302 uniformly conducts heat. The heating wire 303 is fixedly connected outside the wire mesh 302. The temperature sensor 304 is fixedly installed on the top of the valve body 2, and is used to detect the internal temperature of the valve body 2. The heat-conducting sheet 305 is fixedly connected inside the valve body 2.

[0022] In the implementation, the following steps are performed:

[0023] 1) First, the temperature sensor 304 is used to detect the internal temperature of the valve body 2.

[0024] 2) Then, the battery sheet 301 is used to control the heating of the heating wire 303, and the wire mesh 302 is used to uniformly conduct heat to the valve chamber 201.

[0025] 3) Then, the valve stem 202 is rotated to open the valve core 203 to open the air inlet channel, and the air outlet channel is discharged.

[0026] 4) Finally, the heat-conducting sheet 305 provided with air holes is used to absorb the heat of the heating wire 303, and the gas is heated to increase the activity of the gas molecules and accelerate the flow rate.

[0027] According to Figure 1 and Figure 2 , the valve body 2 comprises a valve chamber 201, a valve stem 202 and a valve core 203. The left side of the valve core 203 is sealed by a first sealing washer to block the air inlet channel. The outer side of the valve core 203 is fixed with a second sealing washer to block the two air outlet channels.

[0028] According toFigure 1 and Figure 2 As shown in the figure, the right end of the valve stem 202 is connected with a handle, the inner right wall of the valve chamber 201 is fixed with a third sealing washer, which can improve the sealing of the connection between the valve stem 202 and the handle, and the outer side of the valve stem 202 is connected with the inner side of the threaded cylinder through a threaded ring layer, which can drive the valve stem 202 to move left and right when the handle is rotated, realizing the opening and closing of the air inlet channel and the air outlet channel by the valve core 203.

[0029] According to Figure 1 and Figure 2 As shown in the figure, the inside of the bottle valve body 2 is provided with a heating cavity, the wire mesh 302 and the heating wire 303 are located inside the heating cavity, the heating wire 303 transmits heat to the wire mesh 302, and then the wire mesh 302 uniformly conducts heat to the valve chamber 201, and the heating wire 303 is coated with an insulating layer to prevent short circuit.

[0030] According to Figure 1 and Figure 2 As shown in the figure, the heating wire 303 is electrically connected with the battery sheet 301, the battery sheet 301 provides electric energy, and the temperature sensor 304 detects the temperature inside the valve chamber 201, and when the temperature is too low, the battery sheet 301 controls the heating wire 303 to generate heat.

[0031] According to Figure 2 and Figure 3 As shown in the figure, two heat-conducting sheets 305 are fixedly connected with the inside of the two air outlet channels respectively, and a plurality of air holes are formed in the inside of each heat-conducting sheet 305, which can heat the gas by using the heat-conducting sheet 305 with a silicon grease structure while ensuring the passage of the gas, thereby increasing the molecular activity and accelerating the flow rate of the gas.

[0032] In summary, the heating device of the protective gas cylinder valve sets a heating cavity in the bottle valve body 2, and the wire mesh 302 and the heating wire 303 are arranged in the heating cavity, when the temperature sensor 304 detects that the temperature inside the valve chamber 201 is too low, the heating wire 303 is heated by controlling the battery sheet 301, and the wire mesh 302 uniformly conducts heat to the valve chamber 201, and the heat-conducting sheet 305 with air holes is arranged at the air outlet channel, which can heat the gas by absorbing the heat of the heating wire 303, thereby increasing the molecular activity and accelerating the gas discharge speed, solving the problem that some existing bottle valves lack heating components and the internal structure of the bottle valve is prone to freezing in winter.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0034] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A heating device for protecting the valve of a gas cylinder, comprising a gas cylinder opening (1), characterized in that: A cylinder valve body (2) is fixedly installed on the right side of the gas cylinder opening (1), and a uniform heating component (3) is provided on the outside of the cylinder valve body (2). The uniform heating component (3) includes a battery cell (301), a wire mesh (302), a heating wire (303), a temperature sensor (304), and a heat-conducting plate (305). The battery cell (301) is fixedly installed on the top of the bottle valve body (2). The wire mesh (302) is fixedly connected inside the bottle valve body (2). The heating wire (303) is fixedly connected to the outside of the wire mesh (302). The temperature sensor (304) is fixedly installed on the top of the bottle valve body (2). The heat-conducting plate (305) is fixedly connected inside the bottle valve body (2).

2. The heating device for protecting the valve of a gas cylinder according to claim 1, characterized in that: The valve body (2) of the bottle valve includes a valve chamber (201), a valve stem (202) and a valve core (203). The right side of the valve core (203) is fixedly connected to the left end of the valve stem (202). A handle is fixedly connected to the right end of the valve stem (202). An air inlet channel is provided through the inner right wall of the gas cylinder opening (1) and the inner left wall of the valve chamber (201). A first sealing gasket is fixedly connected to the outside of the air inlet channel. The left side of the valve core (203) is sealed and fitted to the air inlet channel, and a second sealing gasket is fixedly connected to the outside of the valve core (203).

3. The heating device for protecting the valve of a gas cylinder according to claim 2, characterized in that: The valve chamber (201) has an air outlet channel through its inner top and bottom walls. The top and bottom of the valve core (203) are respectively sealed and fitted with the two air outlet channels. A third sealing gasket is fixedly connected to the inner right wall of the valve chamber (201). A threaded cylinder is fixedly connected inside the valve chamber (201). A threaded ring is provided on the outside of the valve stem (202), and the valve stem (202) is threaded to the inner side of the threaded cylinder through the threaded ring.

4. The heating device for protecting the valve of a gas cylinder according to claim 3, characterized in that: The valve body (2) of the bottle valve has a heating chamber inside. The wire mesh (302) is a ring-shaped structure and is fixedly connected to the inner wall of the heating chamber. The inner left wall of the heating chamber is connected to two air outlet channels. The heating wire (303) is covered with an insulating layer.

5. The heating device for protecting the valve of a gas cylinder according to claim 1, characterized in that: The heating wire (303) has an S-shaped structure and is electrically connected to the battery cell (301). The temperature sensor (304) has a temperature probe at its bottom and is electrically connected to the battery cell (301).

6. The heating device for protecting the valve of a gas cylinder according to claim 3, characterized in that: There are two heat-conducting plates (305), which are located inside the two air outlet channels respectively. The interior of each heat-conducting plate (305) is provided with a number of air holes.