Anti-jamming device for a valve

Abstract

This utility model discloses a valve anti-jamming device, relating to a valve, including multiple fixing seats, each of which has a heat conduction surface. The multiple fixing seats are sequentially assembled around the valve body to form a complete enclosure of the valve body, and the heat conduction surface is in close contact with the valve body. Each fixing seat is equipped with an electric heating element, and the electric heating element is thermally connected to the heat conduction surface. This utility model achieves both heating of the valve body and avoids its exposure to the external environment, reducing the impact of low external temperatures on the valve body, thereby ensuring the heating effect of the valve body and preventing the valve's operating mechanism from freezing and causing valve failure.

Description

Technical Field

[0001] This utility model relates to valves, and more specifically, to a valve anti-jamming device. Background Technology

[0002] Valves are control components in pipeline systems, serving functions such as opening, closing, flow control, and safety protection. When using valves in low-temperature environments, especially during cold winters when ambient temperatures can drop to several degrees below zero, the valve's operating mechanism is prone to freezing, leading to valve failure. CN221034269U discloses a temperature-sensing, self-heating, low-temperature resistant valve. It utilizes a combination of a heating wire, foam, insulation layer, and an electronic thermometer. The electronic thermometer monitors the liquid temperature in the valve tube; when the temperature drops below a certain value, the heating wire is energized, heating the valve tube and thus the liquid flowing towards the valve body. This raises the temperature of the liquid flowing towards the valve body, preventing freezing between the valve body and the valve tube. The insulation layer also provides external insulation for the valve tube, making it suitable for extremely cold indoor and outdoor environments. However, the heating wire is installed in the valve tube on both sides of the valve body, heating only the liquid flowing through the valve, while the valve body itself remains exposed and directly affected by external temperatures. Although the heating wire heats the liquid, the heat transfer rate between the heating wire and the liquid is low under conditions of high liquid flow rate and velocity. The liquid does not achieve an effective temperature rise, and significant heat loss occurs due to the exposed valve body. Therefore, this structure is typically used in valves with low flow rates and velocities, and its limitations are considerable. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a valve anti-jamming device to address the shortcomings of the prior art, thereby solving the problem that the antifreeze and anti-jamming effects are poor in the prior art because it is difficult to effectively heat the valve body by heating the liquid.

[0004] The present invention discloses a valve anti-jamming device, comprising multiple fixed seats, each of which is provided with a heat conduction surface. The multiple fixed seats are sequentially spliced ​​around the valve body to form a complete enclosure of the valve body, and the heat conduction surface is in contact with the valve body. Each fixed seat is equipped with an electric heating tube, and the electric heating tube is heat conduction connected to the heat conduction surface.

[0005] Preferably, a mounting hole is provided in the fixing seat on one side of the heat conduction surface, and the electric heating tube is installed in the mounting hole.

[0006] Preferably, the mounting hole is a stepped hole consisting of an outer hole and an inner hole, the end of the heating tube is provided with a mounting part, the heating tube is inserted into the inner hole, and the mounting part is detachably connected to the outer hole.

[0007] Preferably, the mounting part is threadedly connected to the external hole.

[0008] Preferably, the mounting base is made of aluminum.

[0009] Preferably, a connecting plate is provided on one side of the valve body, and the connecting plate is connected to the fixing seat by bolts to form a positioning of the spliced ​​fixing seat.

[0010] Preferably, a fixing seat is provided at the bottom of the valve body, and a fixing seat is provided on each side of the valve body. The fixing seat at the bottom of the valve body has two splicing surfaces that correspond one-to-one with the fixing seats on both sides of the valve body.

[0011] Preferably, the connecting plate includes a first plate and a second plate. The first plate is bolted to the fixing seat below the valve body, and the first plate extends to one side of the fixing seats on both sides of the valve body, and is bolted to both fixing seats on both sides of the valve body. The second plate is disposed above the first plate, and the second plate is bolted to both fixing seats on both sides of the valve body.

[0012] Preferably, a temperature sensor is installed on the housing of the valve body.

[0013] Beneficial effects

[0014] The advantages of this utility model are as follows: by installing an electric heating tube in the fixed seat and fully enclosing the valve body through the fixed seat, the valve body is heated, and its exposure to the external environment is avoided, reducing the impact of low external temperatures on the valve body. This ensures the heating effect on the valve body and prevents the valve's operating mechanism from freezing and causing valve failure. It also solves the problem in the prior art where the valve body is difficult to heat effectively by heating the liquid, resulting in poor antifreeze and anti-jamming effects. Attached Figure Description

[0015] Figure 1 This is a first perspective view of the installation structure of the valve anti-jamming device of this utility model;

[0016] Figure 2 This is a second perspective view of the installation structure of the valve anti-jamming device of this utility model;

[0017] Figure 3 This is a schematic diagram of the valve anti-jamming device of this utility model in the event of an explosion.

[0018] Figure 4 This is a three-dimensional schematic diagram of the fixing base of this utility model.

[0019] Wherein: 1-valve, 2-valve body, 3-fixed seat, 4-heating tube, 5-connecting plate, 31-heat conduction surface, 32-joining surface, 33-mounting hole, 51-plate one, 52-plate two. Detailed Implementation

[0020] The present invention will be further described below with reference to embodiments, but this does not constitute any limitation on the present invention. Any limited modifications made by any person within the scope of the claims of the present invention are still within the scope of the claims of the present invention.

[0021] See Figures 1-4 This utility model discloses a valve anti-jamming device, comprising multiple fixing seats 3, each fixing seat 3 having a heat conduction surface 31. The multiple fixing seats 3 are sequentially spliced ​​around the valve body 2 of the valve 1 to form a complete enclosure of the valve body 2, and the heat conduction surface 31 is in close contact with the valve body 2. Each fixing seat 3 is equipped with an electric heating tube 4, and the electric heating tube 4 is heat-conductingly connected to the heat conduction surface 31.

[0022] The heat generated by the heating element 4 is conducted to the valve body 2 through the heat conduction surface 31, achieving direct heating of the valve body 2. Furthermore, the fixing seat 3 completely surrounds the valve body 2, preventing it from being exposed to the external environment and reducing the impact of low external temperatures. This ensures effective heating of the valve body 2 and prevents valve failure due to freezing of the valve's actuating mechanism. It also solves the problem of poor anti-freezing and anti-jamming effects in existing technologies where effective heating of the valve body via liquid heating is difficult. In addition, because the valve body 2 is directly heated, its actuating mechanism is also effectively heated. Compared to existing technologies, this method is also suitable for pipelines with higher flow rates and velocities.

[0023] In this embodiment, for the installation of the heating element 4, a mounting hole 33 is provided in the fixing seat 3 on one side of the heat conduction surface 31, and the heating element 4 is installed in the mounting hole 33.

[0024] Specifically, mounting hole 33 is a stepped hole consisting of an outer hole and an inner hole. The end of the heating element 4 is provided with a mounting part, which is inserted into the inner hole. The mounting part is detachably connected to the outer hole. The mounting part and the outer hole can be connected by a thread or an interference fit. This installation method facilitates the replacement of the heating element 4.

[0025] In this embodiment, the mounting base 3 is made of aluminum. However, it is not limited to aluminum and can also be made of copper.

[0026] For the installation of the fixing seat 3, a connecting plate 5 is provided on one side of the valve body 2 in this embodiment. The connecting plate 5 is connected to the fixing seat 3 by bolts to form a positioning of the spliced ​​fixing seat 3. Since the fixing seat 3 completely surrounds the valve body 2 and its heat conduction surface 31 is in contact with the valve body 2, but after the connecting plate 5 positions one end of the fixing seat 3, the interference surface between the valve body 2 and the fixing seat 3 also provides support for the fixing seat 3, thereby realizing the fixing of the fixing seat 3 on the valve body 2.

[0027] In this embodiment, a fixing seat 3 is provided at the bottom of the valve body 2, and a fixing seat 3 is provided on each side of the valve body 2. The fixing seat 3 at the bottom of the valve body 2 has two splicing surfaces 32 that correspond one-to-one with the fixing seats 3 on both sides of the valve body 2, forming a complete enclosure of the valve body 2 and making it easy to install.

[0028] In this embodiment, the connecting plate 5 includes a first plate 51 and a second plate 52. The first plate 51 is bolted to the fixing seat 3 below the valve body 2, and extends to one side of the fixing seats 3 on both sides of the valve body 2, and is also bolted to the fixing seats 3 on both sides of the valve body 2. The second plate 52 is positioned above the first plate 51, and is also bolted to the fixing seats 3 on both sides of the valve body 2. The first plate 51 establishes a fixed installation relationship between the three fixing seats 3, achieving their fixed installation. The second plate 52 further establishes a fixed installation relationship between the fixing seats 3 on both sides of the valve body 2, improving the stability and reliability of the installation.

[0029] Preferably, a temperature sensor is installed on the housing of the valve body 2 to collect the temperature of the valve body 2, and it is connected to the heating element 4 through a controller. Specifically, when the controller detects that the valve body temperature collected by the temperature sensor is lower than a set low-temperature threshold, the controller controls the heating element 4 to start to heat the valve body 2; and when the controller detects that the valve body temperature is higher than a set high-temperature threshold, it controls the heating element 4 to stop heating the valve body 2, thereby ensuring the temperature of the valve body 2. It should be noted that the above-mentioned control of the heating element 4 by the controller based on the temperature collected by the temperature sensor is conventional technology, and this utility model does not improve upon it.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present utility model. These modifications and improvements will not affect the effectiveness of the present utility model or the practicality of the patent.

Claims

1. A valve anti-jamming device, characterized in that, It includes multiple fixed seats (3), each fixed seat (3) is provided with a heat conduction surface (31), the multiple fixed seats (3) are sequentially spliced ​​around the valve body (2) of the valve (1) to form a complete enclosure of the valve body (2), and the heat conduction surface (31) is in contact with the valve body (2); each fixed seat (3) is equipped with an electric heating tube (4), and the electric heating tube (4) is heat conduction connected to the heat conduction surface (31).

2. The valve anti-jamming device according to claim 1, characterized in that, An installation hole (33) is provided in the fixing seat (3) on one side of the heat conduction surface (31), and the electric heating tube (4) is installed in the installation hole (33).

3. The valve anti-jamming device according to claim 2, characterized in that, The mounting hole (33) is a stepped hole consisting of an outer hole and an inner hole. The end of the heating tube (4) is provided with a mounting part. The heating tube (4) is inserted into the inner hole. The mounting part is detachably connected to the outer hole.

4. A valve anti-jamming device according to claim 3, characterized in that, The mounting part is threadedly connected to the external hole.

5. A valve anti-jamming device according to claim 1 or 2, characterized in that, The mounting base (3) is made of aluminum.

6. A valve anti-jamming device according to claim 1, characterized in that, A connecting plate (5) is provided on one side of the valve body (2). The connecting plate (5) is connected to the fixing seat (3) by bolts to form a positioning of the spliced ​​fixing seat (3).

7. A valve anti-jamming device according to claim 6, characterized in that, A fixed seat (3) is provided below the valve body (2), and a fixed seat (3) is provided on each side of the valve body (2). The fixed seat (3) below the valve body (2) has two splicing surfaces (32) that correspond one-to-one with the fixed seats (3) on both sides of the valve body (2).

8. A valve anti-jamming device according to claim 7, characterized in that, The connecting plate (5) includes a first plate (51) and a second plate (52). The first plate (51) is bolted to the fixing seat (3) below the valve body (2), and the first plate (51) extends to one side of the fixing seat (3) on both sides of the valve body (2) and is bolted to the fixing seat (3) on both sides of the valve body (2). The second plate (52) is located above the first plate (51), and the second plate (52) is bolted to the fixing seat (3) on both sides of the valve body (2).

9. A valve anti-jamming device according to claim 1, characterized in that, A temperature sensor is installed on the housing of the valve body (2).

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