Quick-change filter valve

Abstract

The utility model relates to fluid control technical field, concretely relates to a kind of filter valve of quick replacement, including valve housing, the valve housing is made of two-segment structure, the outer wall of the valve housing upper and lower end side is fixedly connected with breather pipe, the inside of the valve housing and between breather pipe are provided with air filter part, the inside of the valve housing and located air filter part's one side are provided with adjusting part, in the utility model, multiple filter cartridges are set to filter the air transported by breather pipe, and when a group of filter cartridges are used for a long time, personnel can rotate the pressing block by the knob to replace the filter cartridge, so that the valve housing does not need to be disassembled as a whole, thereby simplifying the steps of personnel replacing filter cartridge.

Description

Technical Field

[0001] This utility model relates to the field of fluid control technology, specifically to a quick-replaceable air filter valve. Background Technology

[0002] A gas filter valve is a valve used to control gas emissions. Its main function is to filter impurities or oil mist from the air, preventing pollutants from entering the system or environment, while allowing normal gas emission or the flow of emitted gas. It is usually equipped with filter media to ensure the purity of the emitted gas.

[0003] After prolonged use, the filter media inside existing air filter valves can become clogged with impurities, affecting their ventilation performance. In such cases, personnel need to shut down the air supply equipment and disassemble the air filter valve for cleaning and replacement. Although the structure of existing air filter valves has been simplified, disassembly and installation still require considerable time, and the efficiency of replacement is also affected by the operator's skill level. Therefore, the replacement of existing air filter valves can affect gas delivery during use, thus presenting certain shortcomings in their application.

[0004] In conclusion, it is necessary to invent a quick-change air filter valve. Utility Model Content

[0005] Therefore, this utility model provides a quick-replacement air filter valve to solve the problem that the existing air filter valve structure has been simplified, but its disassembly and installation still takes a lot of time, and the replacement efficiency is also affected by the skill level of the personnel.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a quick-replaceable air filter valve, comprising a valve housing, the valve housing being composed of a two-section structure, with a vent pipe fixedly connected to one side of the upper and lower ends of the outer wall of the valve housing, an air filter component being disposed inside the valve housing and located between the vent pipes, and an adjustment component being disposed inside the valve housing and located on one side of the air filter component.

[0007] Preferably, annular connecting plates are fixed on opposite sides of the outer wall of the valve body, and the annular connecting plates are fixed together by bolts. A positioning ring is provided at the top edge of the outer wall of the valve body at the bottom.

[0008] Preferably, the bottom end of the positioning ring is fixedly connected to the top end of the outer wall of the bottom valve housing, and an annular groove is provided at the bottom end of the outer wall of the upper valve housing and at a position corresponding to the positioning ring. The outer wall of the positioning ring is slidably connected to the inner wall of the annular groove.

[0009] Preferably, the air filtration component includes a filter cartridge, which is positioned corresponding to the vent pipe. The valve housing has clearance grooves inside, corresponding to the filter cartridge, for the filter cartridge to rotate. The filter cartridge has grooves on its upper and lower sides inside.

[0010] Preferably, the inner wall of the upper groove is slidably connected to a first filter screen, and a connecting rod for secondary filtration is provided inside the filter cylinder and below the first filter screen.

[0011] Preferably, a filter membrane layer is fixed at the top edge of the outer wall of the connecting rod, and the upper end of the filter membrane layer is fixed at the corresponding position of the bottom end of the outer wall of the first filter screen. An activated carbon filter layer is installed inside the groove at the bottom end.

[0012] Preferably, the adjusting component includes a pressure block, which is disposed at the internal center of the valve housing and on the opposite side of the filter cylinder. A connecting block is fixed to the outer wall side end of the pressure block and at a position corresponding to the filter cylinder. The other end of the connecting block is fixedly connected to the outer wall side end of the filter cylinder.

[0013] Preferably, a rotating rod is fixed to the top of the outer wall of each pressure block, and a strip-shaped through groove is opened on the outer wall of the upper valve housing at the position corresponding to the rotating rod. The outer wall of the rotating rod is slidably connected to the inner wall of the strip-shaped through groove. The top of the outer wall of the rotating rod passes through the top of the outer wall of the valve housing and is fixed with a lever. A locking nut is installed on the outer side of the rotating rod and above the top of the outer wall of the valve housing by opening an external thread.

[0014] The beneficial effects of this utility model are:

[0015] In this invention, multiple filter cartridges are used to filter the air delivered through the ventilation pipe. When a set of filter cartridges has been used for a long time, personnel can replace the filter cartridges by rotating the pressure block using a lever. This eliminates the need to disassemble the entire valve body, thus simplifying the filter cartridge replacement process and making it more convenient for personnel to use. Attached Figure Description

[0016] Figure 1 This is a partial structural schematic diagram of the present invention viewed from the front.

[0017] Figure 2 This is a partial cross-sectional view of the present invention from the front view.

[0018] Figure 3 This is a partial structural schematic diagram of the present invention from a top view.

[0019] Figure 4 This is a partial cross-sectional view of the filter cartridge in the present invention from the front view direction;

[0020] Figure 5 This is a three-dimensional structural diagram of the pressure block and filter cylinder in this utility model.

[0021] In the diagram: 100, valve body; 110, vent pipe; 120, positioning ring; 130, annular connecting plate; 200, lever; 210, rotating rod; 220, locking nut; 230, pressure block; 231, connecting block; 240, filter cartridge; 241, groove; 242, first filter screen; 243, filter membrane layer; 244, connecting rod; 245, activated carbon filter layer; 250, cleaning port; 260, sealing cover. Detailed Implementation

[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0023] See attached document Figures 1-5 This utility model provides a quick-replacement air filter valve, including a valve housing 100. The valve housing 100 is composed of a two-section structure. A vent pipe 110 is fixedly connected to one side of the upper and lower ends of the outer wall of the valve housing 100. The vent pipe 110 is designed to allow gas to pass through the valve housing 100 for transport. A valve plate is installed inside each vent pipe 110 to control the gas supply and exhaust. Annular connecting plates 130 are fixed to opposite sides of the outer wall of the valve housing 100. The annular connecting plates 130 are fixed together by bolts. The annular connecting plates 130 are designed for convenient... Personnel can fix or loosen the valve body 100. A positioning ring 120 is provided at the top edge of the outer wall of the bottom valve body 100. The bottom end of the positioning ring 120 is fixedly connected to the top edge of the outer wall of the bottom valve body 100. Annular grooves are provided at the bottom end of the outer wall of the upper valve body 100 and at the corresponding positions of the positioning ring 120. The outer wall of the positioning ring 120 is slidably connected to the inner wall of the annular groove. The positioning ring 120 and the annular groove serve to guide and seal the valve body 100 after docking. A sealing gasket can be provided between the outer wall of the positioning ring 120 and the annular groove to improve the sealing effect.

[0024] An air filter component is installed inside the valve housing 100 and between the vent pipes 110. The air filter component includes a filter cylinder 240, which is positioned corresponding to the vent pipe 110. Inside the valve housing 100, at positions corresponding to the filter cylinder 240, there are clearance grooves for rotating the filter cylinder 240. These clearance grooves facilitate rotation of the filter cylinder 240 within the valve housing 100. The filter cylinder 240 has recessed grooves 241 on both its upper and lower sides. These recessed grooves 241 facilitate the use of bolts or other detachable methods to secure the first filter screen 242 and the activated carbon filter layer 245. The upper and lower sides of the inner wall of the filter cylinder 240, and the inner wall of the upper end groove 241 are slidably connected to the first filter screen 242. The filter cylinder 240 is provided with a connecting rod 244 for secondary filtration below the first filter screen 242. The top edge of the outer wall of the connecting rod 244 is fixed with a filter membrane layer 243. The upper end of the filter membrane layer 243 is fixed at the corresponding position of the bottom end of the outer wall of the first filter screen 242. The bottom groove 241 is installed with an activated carbon filter layer 245. The first filter screen 242 and the filter membrane layer 243 are provided to filter solid impurities mixed in the gas, while the activated carbon filter layer 245 is provided to filter odors in the gas.

[0025] Adjustment components are provided inside the valve housing 100 and on one side of the air filter component. Each adjustment component includes a pressure block 230, which is located at the center of the valve housing 100 and on the opposite side of the filter cartridge 240. A connecting block 231 is fixed to the outer wall of the pressure block 230 at a position corresponding to that of the filter cartridge 240. The other end of the connecting block 231 is fixedly connected to the outer wall of the filter cartridge 240. The pressure block 230 and connecting block 231 are used to connect multiple filter cartridges 240 together and also... This allows personnel to change the position of the filter cartridge 240. A rotating rod 210 is fixed to the top of the outer wall of the pressure block 230. A strip-shaped through groove is formed on the outer wall of the upper valve housing 100 at a position corresponding to the rotating rod 210. The outer wall of the rotating rod 210 is slidably connected to the inner wall of the strip-shaped through groove. The top of the outer wall of the rotating rod 210 passes through the top of the outer wall of the valve housing 100 and is fixed with a lever 200. A locking nut 220 is installed on the outer side of the rotating rod 210, above the top of the outer wall of the valve housing 100, via an external thread. Each filter cartridge 240 is marked with a corresponding position on the lever 200, allowing personnel to easily determine its location by rotating the lever 200. This facilitates alignment of the filter cartridges 240 with the valve housing 100. The filter cartridges 240 can be rotated using the lever 200. After rotation, the locking nut 220 can be rotated to secure the rotating rod 210 to the outer wall of the valve housing 100. The outer wall of the valve housing 100 is positioned away from the air passage. A cleaning port 250 is provided on one side of the pipe 110. The cleaning port 250 is provided to facilitate personnel to unscrew and remove the first filter screen 242 and activated carbon filter layer 245 for cleaning or replacement, so that personnel can handle the filter cartridge 240 without disassembling the valve housing 100. The sealing cover 260 is provided to seal the upper and lower ends of the cleaning port 250 when it is not in use. The sealing cover 260 can be fixed to the cleaning port 250 in a detachable manner by means of screws or buckles.

[0026] The usage process of this utility model is as follows: Those skilled in the art can first assemble the device according to the above description. After the device is assembled, the two valve housings 100 can be closed, so that the positioning ring 120 is inserted into the annular groove. The two annular connecting plates 130 will then be joined together. The upper and lower ends of the vent pipe 110 will be pressed against the upper and lower outer walls of the filter cylinder 240. Specifically, a sealing ring can be set at the contact end of the vent pipe 110 and the filter cylinder 240 to reduce air leakage. After completion, the personnel can fix the annular connecting plates 130 together with bolts and nuts to fix the two valve housings 100. Then, the personnel can open the valve plate set on the vent pipe 110 and then transport the gas through the vent pipe 110. When the gas passes through the valve housing 100, the filter cylinder 240 can filter the gas through the built-in first filter screen 242, connecting rod 244 and activated carbon filter layer 245.

[0027] When the filter cartridge 240 is in use for a long time, the personnel can loosen the bolts fixing the annular connecting plate 130 and separate the two valve bodies 100 to the outside. Then, the locking nut 220 can be loosened, and the pressure block 230 and the filter cartridge 240 can be rotated by using the toggle block 200 and the rotating rod 210, so that the next clean filter cartridge 240 is on the opposite side of the vent pipe 110. Then, the personnel can fix the valve body 100 again to continue to use it. At the same time, the personnel can also remove the sealing cover 260, and then remove the first filter screen 242, connecting rod 244 and activated carbon filter layer 245 inside the filter cartridge 240 through the cleaning port 250 for cleaning or replacement, so as to ensure that the filter cartridge 240 can continue to be used normally.

[0028] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A quick-change air filter valve, characterized in that: The device includes a valve housing (100), which is composed of a two-section structure. A vent pipe (110) is fixedly connected to one side of the upper and lower ends of the outer wall of the valve housing (100). An air filter component is provided inside the valve housing (100) and between the vent pipes (110). An adjustment component is provided inside the valve housing (100) and on one side of the air filter component.

2. The quick-replacement air filter valve according to claim 1, characterized in that: An annular connecting plate (130) is fixed on one side of the outer wall of the valve body (100), and the annular connecting plates (130) are fixed together by bolts. A positioning ring (120) is provided at the top edge of the outer wall of the valve body (100) at the bottom.

3. The quick-replacement air filter valve according to claim 2, characterized in that: The bottom end of the positioning ring (120) is fixedly connected to the top end of the outer wall of the bottom valve housing (100). The bottom end of the outer wall of the upper valve housing (100) and the position corresponding to the positioning ring (120) are provided with annular grooves. The outer wall of the positioning ring (120) is slidably connected to the inner wall of the annular groove.

4. The quick-replacement air filter valve according to claim 1, characterized in that: The air filtration component includes a filter cartridge (240), which is located at a position corresponding to the vent pipe (110). The valve housing (100) has a relief groove inside the valve housing (100) at a position corresponding to the filter cartridge (240) for the filter cartridge (240) to rotate. The filter cartridge (240) has grooves (241) on both the upper and lower sides inside the filter cartridge (240).

5. A quick-replacement air filter valve according to claim 4, characterized in that: The inner wall of the groove (241) at the upper end is slidably connected with a first filter screen (242), and the filter cylinder (240) is provided with a connecting rod (244) for secondary filtration inside and below the first filter screen (242).

6. A quick-replacement air filter valve according to claim 5, characterized in that: A filter membrane layer (243) is fixed at the top edge of the outer wall of the connecting rod (244). The upper end of the filter membrane layer (243) is fixed at the corresponding position of the bottom end of the outer wall of the first filter screen (242). An activated carbon filter layer (245) is installed inside the groove (241) at the bottom end.

7. A quick-replacement air filter valve according to claim 4, characterized in that: The adjusting component includes a pressure block (230), which is located at the center of the valve housing (100) and on the opposite side of the filter cylinder (240). A connecting block (231) is fixed to the outer wall side end of the pressure block (230) and at the corresponding position of the filter cylinder (240). The other end of the connecting block (231) is fixedly connected to the outer wall side end of the filter cylinder (240).

8. A quick-replacement air filter valve according to claim 7, characterized in that: The top of the outer wall of each pressure block (230) is fixed with a rotating rod (210). The outer wall of the upper valve housing (100) is provided with a strip-shaped through groove at the position corresponding to the rotating rod (210). The outer wall of the rotating rod (210) is slidably connected to the inner wall of the strip-shaped through groove. The top of the outer wall of the rotating rod (210) passes through the top of the outer wall of the valve housing (100) and is fixed with a lever (200). A locking nut (220) is installed on the outer side of the outer wall of the rotating rod (210) and above the top of the outer wall of the valve housing (100) by opening an external thread.

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