Chemical valve convenient to replace

Abstract

The chemical valve convenient to replace comprises a chemical valve body, a filter box is fixedly installed outside a communicating pipe, a top cover is movably installed on the inner top of the filter box, a limiting block is fixedly installed outside the top cover, a fixing rod is fixedly installed inside the filter box, and the fixing rod is movably installed on the top cover. A toothed plate is movably installed outside the fixing rod, a limiting rod is fixedly installed inside the filtering box, a gear is rotatably installed outside the limiting rod, a rack is meshed with the outside of the gear, and an inserting rod is movably installed inside the filtering box. According to the chemical valve convenient to replace, after the filter plate is used for a long time, the filter plate needs to be replaced, limiting of the top cover can be relieved through a gear, a rack, an inserting rod, a limiting plate, a spring and a limiting block only by pushing a toothed plate leftwards, a handle is held to pull out the filter plate, and then the filter plate can be checked and replaced; and the filter plate can always keep a good filtering effect.

Description

Technical Field

[0001] This utility model relates to the field of chemical valve technology, specifically a chemical valve that is easy to replace. Background Technology

[0002] Chemical valves are important accessories for controlling the flow of media in chemical pipelines. A valve consists of three main parts: valve body, opening and closing mechanism, and valve cover. According to their uses, chemical valves can be divided into shut-off valves, regulating valves, diverting valves, check valves, and safety valves. They are one of the core equipment in chemical plants to ensure process safety and stable operation.

[0003] A search revealed an industrial chemical valve disclosed in Chinese Patent Publication No. CN216343944U. This utility model patent includes a valve body with connection ports on both sides inside. An adjustment chamber is located inside the valve body, with an installation chamber above the adjustment chamber and a cover plate above the installation chamber. Fixing bolts are mounted on the cover plate. An adjustment plate is located inside the adjustment chamber, with a screw fixed to its top. The screw passes through the valve body and the cover plate, and a rotating wheel is fixed to its top. The bottom of the adjustment chamber has an inlet chamber, a connecting chamber, and an outlet chamber. The adjustment chamber and the inlet chamber are connected through the connecting chamber. An arc-shaped groove is located at the bottom of the adjustment chamber, with one side of the groove connecting to the outlet chamber. Positive threads and connecting sleeves are provided on the valve body and the inlet pipe. This device ensures a stable and secure connection between the inlet pipe and the valve body, and provides normal control of liquid flow. It has a simple structure and is highly practical.

[0004] To ensure the long-term stable operation of industrial valves, filter devices are typically installed on the outside of the valves to intercept solid particles in the pipeline. This prevents solid particles from damaging the industrial valves as they flow through, and reduces the possibility of particles accumulating in the moving parts of the valve core, causing jamming or delayed operation. At the same time, in order to improve the efficiency of filtering and intercepting solid particles, the filter components need to be frequently inspected and replaced. Therefore, a chemical valve that is easy to replace has been proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a chemical valve that is easy to replace and has the advantages of quick replacement of multiple filter components. It solves the problem that in order to ensure the long-term stable operation of industrial valves, filter devices are usually installed on the outside of industrial valves to intercept solid particles in the pipeline, preventing solid particles from damaging the industrial valve when flowing through it, reducing the possibility of particles accumulating in the valve core moving parts and causing jamming or sluggish operation. At the same time, in order to improve the efficiency of filtering and intercepting solid particles, the filter components need to be frequently inspected and replaced.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a chemical valve that is easy to replace, comprising a chemical valve body, a connecting pipe fixedly installed on the outside of the chemical valve body, and a filter structure fixedly installed on the outside of the connecting pipe;

[0007] The filtration structure includes a filter box, which is fixedly installed on the outside of the connecting pipe. A top cover is movably installed on the top of the filter box. A limiting block is fixedly installed on the outside of the top cover. A fixing rod is fixedly installed inside the filter box. A toothed plate is movably installed on the outside of the fixing rod. A limiting rod is fixedly installed inside the filter box. A gear is rotatably installed on the outside of the limiting rod. A rack meshes with the gear. An insert rod is movably installed inside the filter box. A spring is fixedly installed on the outside of the insert rod. A limiting plate is fixedly installed inside the filter box. A filter plate is fixedly installed on the bottom of the top cover. A retainer is fixedly installed inside the filter box. A handle is fixedly installed on the top of the top cover.

[0008] Furthermore, the toothed plate meshes with the gear, and the rack is fixedly connected to the insert rod.

[0009] Furthermore, the toothed plate penetrates through the filter box and extends to the outside of the filter box, and the other end of the spring is fixedly connected to the inner wall of the filter box.

[0010] Furthermore, the insertion rod and the limiting plate are slidably connected, and the insertion rod passes through the filter box and is inserted into the limiting block.

[0011] Furthermore, the filter plate is engaged with the mounting bracket, and the limiting block is engaged with the top of the filter box.

[0012] Furthermore, a connecting pipe is fixedly installed on the outside of the filter box, and a movable groove is opened on the outside of the filter box.

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

[0014] This easy-to-replace chemical valve allows for easy replacement of the filter plate after prolonged use. Simply push the toothed plate to the left to release the top cover's restriction via gears, racks, insert rods, limit plates, springs, and limit blocks. Grasp the handle and pull out the filter plate for inspection and replacement, ensuring the filter plate always maintains good filtration performance. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0016] Figure 2 This is a perspective view of the filter structure of this utility model;

[0017] Figure 3This is a cross-sectional view of the filter structure of this utility model;

[0018] Figure 4 This is a partial top view of the filter structure of this utility model.

[0019] In the diagram: 1. Chemical valve body; 2. Connecting pipe; 3. Filter structure; 301. Filter box; 302. Top cover; 303. Limiting block; 304. Fixing rod; 305. Gear plate; 306. Limiting rod; 307. Gear; 308. Rack; 309. Insert rod; 310. Spring; 311. Limiting plate; 312. Filter plate; 313. Card seat; 314. Handle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 In this embodiment, a replaceable chemical valve includes a chemical valve body 1, a connecting pipe 2 fixedly installed on the outside of the chemical valve body 1, and a filter structure 3 fixedly installed on the outside of the connecting pipe 2.

[0022] The filter structure 3 includes a filter box 301. The filter box 301 is fixedly installed on the outside of the connecting pipe 2. A top cover 302 is movably installed on the top of the filter box 301. A limiting block 303 is fixedly installed on the outside of the top cover 302. A fixing rod 304 is fixedly installed inside the filter box 301. A toothed plate 305 is movably installed on the outside of the fixing rod 304. A limiting rod 306 is fixedly installed inside the filter box 301. A gear 307 is rotatably installed on the outside of the limiting rod 306. A rack 308 meshes with the outside of the gear 307. An insertion rod 309 is movably installed inside the filter box 301. A spring 310 is fixedly installed on the outside of the insertion rod 309. A limiting plate 311 is fixedly installed inside the filter box 301. A filter plate 312 is fixedly installed at the bottom of the top cover 302. A retainer 313 is fixedly installed inside the filter box 301. A handle 314 is fixedly installed on the top of the top cover 302.

[0023] exist Figure 1 In the filter box 301, both the front and rear ends are fixedly installed with connecting pipes 2. The flow of chemical fluid can be maintained by connecting the connecting pipes 2 to the filter box 301. The filter box 301 is also connected to the chemical valve body 1 through the connecting pipes 2. The fluid filtered by the filter box 301 will directly enter the interior of the chemical valve body 1.

[0024] exist Figure 3 In the filter box 301, the bottom of the filter plate 312 is engaged with the mounting base 313, so that the filter plate 312 can remain stable inside the filter box 301, and will not be displaced by the force of the fluid when filtering the fluid.

[0025] exist Figure 4 When the insertion rod 309 presses against the spring 310, the insertion rod 309 will disengage from the limiting block 303. When the force of the insertion rod 309 pressing against the spring 310 disappears, the insertion rod 309 will engage with the limiting block 303. Furthermore, when the force of pushing the toothed plate 305 is small, the tension of the spring 310 will always keep the insertion rod 309 connected to the limiting block 303.

[0026] During implementation, the following steps are performed: When in use, the chemical fluid will first reach the filter box 301 through the connecting pipe 2. The filter plate 312 inside the filter box 301 filters the solid particles in the fluid. Then the fluid will reach the chemical valve body 1 through the filter plate 312. When the filter plate 312 has been used for a long time, it needs to be replaced. Simply push the toothed plate 305 to the left to release the limit on the top cover 302. Hold the handle 314 to drive the top cover 302 and the filter plate 312 out of the seat 313 and the filter box 301 in sequence. This allows the filter plate 312 to be inspected and replaced, so that the filter plate 312 can always maintain a good filtration effect.

[0027] In summary, this easily replaceable chemical valve allows the chemical fluid to first reach the filter box 301 via the connecting pipe 2. The filter plate 312 inside the filter box 301 filters out solid particles in the fluid, and then the fluid passes through the filter plate 312 to reach the chemical valve body 1. When the filter plate 312 needs replacement after prolonged use, simply push the toothed plate 305 to the left. This rotation of the gear 307 causes the rack 308 to move to the right, driving the insertion rod 309 to slide to the right inside the limiting plate 311 and compress the spring 310. This causes the insertion rod 309 to exit the limiting block 303, releasing the restriction on the top cover 302. By using handle 314 to move top cover 302 and filter plate 312 out of holder 313 and filter box 301 in sequence, filter plate 312 can be inspected and replaced, ensuring that filter plate 312 always maintains good filtration effect. This solves the problem that in order to ensure the long-term stable operation of industrial valves, filter devices are usually installed on the outside of industrial valves to intercept solid particles in the pipeline, preventing solid particles from damaging the industrial valve when flowing through it, reducing the possibility of particles accumulating in the valve core moving parts and causing jamming or sluggish operation, and at the same time, in order to improve the efficiency of filtering and intercepting solid particles, the filter components need to be frequently inspected and replaced.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A chemical valve which is convenient to replace, comprising a chemical valve body (1), characterized in that: The chemical valve body (1) is externally fixedly installed with a communication pipe (2), and the communication pipe (2) is externally fixedly installed with a filter structure (3). The filter structure (3) comprises a filter box (301), the filter box (301) is externally fixedly installed with the communication pipe (2), the inner top of the filter box (301) is movably installed with a top cover (302), the outer of the top cover (302) is fixedly installed with a limiting block (303), the inner of the filter box (301) is fixedly installed with a fixed rod (304), the outer of the fixed rod (304) is movably installed with a toothed plate (305), the inner of the filter box (301) is fixedly installed with a limiting rod (306), the outer of the limiting rod (306) is rotatably installed with a gear (307), the outer of the gear (307) is engaged with a rack (308), the inner of the filter box (301) is movably installed with a plug rod (309), the outer of the plug rod (309) is fixedly installed with a spring (310), the inner of the filter box (301) is fixedly installed with a limiting plate (311), the bottom of the top cover (302) is fixedly installed with a filter plate (312), the inner of the filter box (301) is fixedly installed with a clamping seat (313), and the top of the top cover (302) is fixedly installed with a handle (314).

2. The chemical valve according to claim 1, wherein: The toothed plate (305) is engaged with the gear (307), and the rack (308) is fixedly connected with the plug rod (309).

3. The chemical valve with easy replacement according to claim 1, characterized in that: The toothed plate (305) penetrates through the filter box (301) and extends to the outside of the filter box (301), and the other end of the spring (310) is fixedly connected with the inner wall of the filter box (301).

4. The chemical valve of claim 1, wherein: The plug rod (309) is slidably connected with the limiting plate (311), and the plug rod (309) penetrates through the filter box (301) and is inserted with the limiting block (303).

5. The chemical valve with easy replacement according to claim 1, characterized in that: The filter plate (312) is clamped with the clamping seat (313), and the limiting block (303) is clamped with the top of the filter box (301).

6. The chemical valve with easy replacement according to claim 1, characterized in that: The filter box (301) is externally fixedly installed with the communication pipe (2), and the outer of the filter box (301) is provided with a movable groove.

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