Waste gas filtering device convenient to butt joint

Abstract

The utility model relates to the technical field of environment-friendly coating production, in particular to a waste gas filtering device convenient to butt joint, which comprises a shell, one end of the shell is fixedly connected with a gas outlet fan, a filtering cavity is formed in the shell, the position of a rubber butt joint pipe can be adjusted by utilizing a folding corrugated pipe, and the position of the rubber butt joint pipe can be adjusted by utilizing the folding corrugated pipe. The size of the butt-joint end of the rubber butt-joint pipe can be changed through the gap formed in the rubber butt-joint pipe, the rubber butt-joint pipe and the waste gas output pipe can be tightened through the elastic binding belt and the fixing device, and therefore the rubber butt-joint pipe can be conveniently in butt joint with the waste gas output pipes of different sizes and different directions; meanwhile, the sealing top cover, the threaded pipe, the rubber hose and the filter element can be rotated through the rotating handle, so that the threaded pipe is separated from the shell, the sealing top cover, the threaded pipe, the rubber hose and the filter element can be taken out of the shell, and the filter element can be conveniently taken down to be cleaned and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of environmentally friendly coating production, in particular to an exhaust gas filtering device which is easy to connect. Background Art

[0002] Environmentally friendly paint refers to paint products whose performance indicators and safety indicators meet the respective product standards and the technical requirements of national environmental labeling products. A large amount of harmful waste gas will be generated in the production process of environmentally friendly paint. These harmful waste gases will be directly discharged into the outside world, which will pollute the environment and endanger human health and safety. Therefore, it is necessary to have an exhaust gas filter device that is easy to connect to filter and treat the exhaust gas.

[0003] The existing patent (publication number: CN205216510U) discloses an exhaust gas filtering device, including: an air collecting device, an adsorption tank, an air suction device and a cleaning device. Specifically, the air collecting device is used to collect the exhaust gas generated by the gluing production line; the adsorption tank is used to purify the exhaust gas; the air suction device is connected to the air collecting device, and is used to send the exhaust gas in the air collecting device into the adsorption tank; the cleaning device is used to clean the adsorption tank. The exhaust gas filtering device provided by the utility model can purify the exhaust gas generated by the gluing production line, avoiding the situation of directly discharging the exhaust gas into the air to pollute the environment.

[0004] In the process of realizing the utility model, the inventors found that the prior art had the following problems: 1. The air intake pipe of the exhaust gas filtering device cannot be freely adjusted in size, which is not convenient for docking with the waste output pipe; 2. The exhaust gas filtering device is not convenient for removing the filter element, and it is not convenient for cleaning and replacing the filter element. Utility Model Content

[0005] The utility model aims to provide an exhaust gas filter device which is easy to connect, so as to solve the problem that the exhaust gas filter device proposed in the above background technology is not easy to connect and the filter core is not easy to disassemble. To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an exhaust gas filtering device that is easy to dock, comprising a shell, one end of the shell is fixedly connected to an exhaust fan, a filter chamber is opened inside the shell, a fixing ring is fixedly installed at the bottom end of the filter chamber, a first filter element is plugged into one side of the filter chamber, a second filter element is plugged into the middle of the filter chamber, and a third filter element is plugged into the other side of the filter chamber, a block is fixedly connected to the outside of the top end of the first filter element, the block is plugged into the inside of a rubber hose, a threaded pipe is fixedly connected to the top end of the rubber hose, a sealing top cover is fixedly connected to the top end of the threaded pipe, a sealing ring is fixedly connected to the outside of the top end of the sealing top cover, a rotating handle is fixedly installed in the middle of the top end of the sealing top cover, a folded bellows is fixedly connected to the other end of the shell, a rubber butt tube is fixedly connected to the other end of the folded bellows, an elastic tie is movably connected to the outside of the rubber butt tube, and a fixing device is fixedly installed on the top end of the elastic tie.

[0006] Further preferably, a plurality of folded corrugations are provided in the middle portion of the folded bellows.

[0007] Further preferably, a gap is opened inside the end of the rubber butt joint that connects to the water pipe, the fixing device is fixedly installed on the top of the rubber butt joint, the elastic tie passes through the bottom of the rubber butt joint and the elastic tie surrounds the rubber butt joint.

[0008] Further preferably, the air outlet fan is movably connected to one end of the filter chamber, and the folded bellows and the rubber butt joint are movably connected to the other end of the filter chamber.

[0009] Further preferably, the first filter element, the second filter element and the third filter element have different filter hole diameters from large to small, and the first filter element is located inside the filter cavity close to one end of the folded bellows and the rubber butt tube, the second filter element is located in the middle of the filter cavity, and the third filter element is located inside the filter cavity close to one end of the exhaust fan.

[0010] Further preferably, the threaded tube is threadably connected to the housing, and the bottom ends of the first filter element, the second filter element and the third filter element are respectively inserted into the interior of the fixing ring, and the top ends are respectively inserted into the interior of the rubber hose.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the position of the rubber butt joint pipe can be adjusted by extending and deforming the folded corrugated pipe, the size of the end of the rubber butt joint pipe that is butted against the exhaust gas output pipe can be changed by utilizing the gap provided inside the rubber butt joint pipe, and the rubber butt joint pipe and the exhaust gas output pipe can be fastened by utilizing an elastic tie band and a fixing device, so that the rubber butt joint pipe can be butted against exhaust gas output pipes of different sizes and orientations, thereby achieving a convenient butt joint effect.

[0013] In the utility model, the top end of the filter element is inserted into the inside of the rubber hose, a threaded tube is fixedly connected to the top end of the rubber hose, the threaded tube is threadedly connected to the shell body, a sealing top cover is fixedly connected to the top end of the threaded tube, and a rotating handle is fixedly installed on the top end of the sealing top cover. The sealing top cover, the threaded tube, the rubber hose and the filter element can be rotated by the rotating handle to separate the threaded tube from the shell body, and the sealing top cover, the threaded tube, the rubber hose and the filter element can be taken out of the shell body, so that the filter element can be taken out for cleaning and replacement conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the full cross-section structure of the utility model;

[0015] Figure 2 This is a side view of the structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the full-section structure of the utility model when viewed from top.

[0017] In the figure: 1. Shell; 2. Exhaust fan; 3. Filter chamber; 4. Fixing ring; 5. First filter element; 6. Second filter element; 7. Third filter element; 8. Rubber hose; 9. Threaded pipe; 10. Sealing top cover; 11. Sealing ring; 12. Turning handle; 13. Folding bellows; 14. Rubber butt tube; 15. Elastic cable tie; 16. Fixing device; 17. Block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3The utility model provides a technical solution: an exhaust gas filtering device that is easy to connect, including a shell 1, one end of the shell 1 is fixedly connected to an exhaust fan 2, a filter chamber 3 is opened inside the shell 1, a fixing ring 4 is fixedly installed at the bottom end of the filter chamber 3, a first filter element 5 is inserted into one side of the filter chamber 3, a second filter element 6 is inserted into the middle of the filter chamber 3, and a third filter element 7 is inserted into the other side of the filter chamber 3. A clamping block 17 is fixedly connected to the outer side of the top of the first filter element 5, and the clamping block 17 is clamped to the rubber soft Inside the tube 8, the top end of the rubber hose 8 is fixedly connected to a threaded tube 9, the top end of the threaded tube 9 is fixedly connected to a sealing top cover 10, the outer side of the top end of the sealing top cover 10 is fixedly connected to a sealing ring 11, a rotating handle 12 is fixedly installed in the middle of the top end of the sealing top cover 10, the other end of the shell 1 is fixedly connected to a folding bellows 13, the other end of the folding bellows 13 is fixedly connected to a rubber butt tube 14, the outer side of the rubber butt tube 14 is movably connected to an elastic tie 15, and the top of the elastic tie 15 is fixedly installed with a fixing device 16.

[0020] In this embodiment, Figure 2 As shown, a plurality of folded corrugations are provided in the middle portion of the folded bellows 13. It should be noted that the folded corrugations can extend or deform the folded bellows 13. The extension and deformation of the folded bellows 13 can be used to adjust the position of the rubber butt joint 14, so as to facilitate the docking of the rubber butt joint 14 with the exhaust gas output pipe.

[0021] In this embodiment, Figure 3 As shown, a gap is provided inside one end of the rubber butt tube 14 that is butt-jointed with the water pipe, a fixing device 16 is fixedly installed on the top of the rubber butt tube 14, an elastic tie 15 passes through the bottom end of the rubber butt tube 14 and the elastic tie 15 surrounds the rubber butt tube 14. It should be noted that the size of the pipe opening of the rubber butt tube 14 can be adjusted through the gap, so that the rubber butt tube 14 can be butt-jointed with pipe openings of different sizes. The pipe opening of the rubber butt tube 14 can be tightened by the elastic tie 15 to prevent water from overflowing from the pipe opening, and the fixing device 16 can fix the elastic tie 15 to keep the elastic tie 15 in a tightened state.

[0022] In this embodiment, Figure 1 As shown, the exhaust fan 2 is movably connected to one end of the filter chamber 3, and the folded bellows 13 and the rubber butt joint 14 are movably connected to the other end of the filter chamber 3. It should be noted that the exhaust fan 2 can discharge the air inside the filter chamber 3 to reduce the air pressure inside the filter chamber 3. Under the action of the air pressure, the exhaust gas will automatically enter the filter chamber 3 from the folded bellows 13 and the rubber butt joint 14 for filtration.

[0023] In this embodiment, Figure 1As shown, the first filter element 5, the second filter element 6 and the third filter element 7 have different filter hole diameters from large to small, and the first filter element 5 is located inside the filter chamber 3 near one end of the folded bellows 13 and the rubber butt tube 14, the second filter element 6 is located in the middle of the filter chamber 3, and the third filter element 7 is located inside the filter chamber 3 near one end of the exhaust fan 2. It should be noted that through such an arrangement, three-stage filtration of the exhaust gas can be achieved, thereby improving the filtering effect of the exhaust gas filtering device.

[0024] In this embodiment, Figure 1 As shown, the threaded tube 9 is threadedly connected to the housing 1, and the bottom ends of the first filter element 5, the second filter element 6 and the third filter element 7 are respectively inserted into the fixing ring 4, and the top ends are respectively inserted into the rubber hose 8. It should be noted that the threaded tube 9 can be separated from the housing 1 by rotating the sealing top cover 10 by turning the handle 12, and then the rotating handle 12 is lifted, the sealing top cover 10, the threaded tube 9, the rubber hose 8 and the filter element will be lifted together, and the filter element can be removed for cleaning or replacement.

[0025] The use method and advantages of the utility model: When the exhaust gas filter device which is easy to connect is used, the working process is as follows:

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, first, the folded corrugations are used to extend and deform the folded bellows 13, and the extension and deformation of the folded bellows 13 are used to adjust the position of the rubber butt tube 14, so that the rubber butt tube 14 is connected to the exhaust gas output pipe, and then the elastic tie 15 and the fixing device 16 are used to tighten the rubber butt tube 14 and the exhaust gas output pipe, and then the exhaust fan 2 is started, and the exhaust fan 2 discharges the air inside the filter chamber 3 to reduce the air pressure inside the filter chamber 3. Under the action of the air pressure, the exhaust gas will automatically enter the filter chamber 3 from the folded bellows 13 and the rubber butt tube 14, and the first filter element 5, the second filter element 6 and the third filter element 7 will filter the exhaust gas in turn, and the filtered gas will be discharged from the exhaust fan 2.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An exhaust gas filtering device that is easy to connect comprises a housing (1), characterized in that: One end of the housing (1) is fixedly connected to an exhaust fan (2); a filter chamber (3) is provided inside the housing (1); a fixing ring (4) is fixedly installed at the bottom end of the filter chamber (3); a first filter core (5) is plugged into one side of the filter chamber (3); a second filter core (6) is plugged into the middle of the filter chamber (3); a third filter core (7) is plugged into the other side of the filter chamber (3); a clamping block (17) is fixedly connected to the outside of the top end of the first filter core (5); the clamping block (17) is clamped into the inside of a rubber hose (8); and the top of the rubber hose (8) is connected to the outside of the first filter core (5); and the clamping block (17) is clamped into the inside of a rubber hose (8). The end of the housing (1) is fixedly connected to a threaded tube (9), the top end of the threaded tube (9) is fixedly connected to a sealing top cover (10), the outer side of the top end of the sealing top cover (10) is fixedly connected to a sealing ring (11), the middle part of the top end of the sealing top cover (10) is fixedly installed with a rotating handle (12), the other end of the housing (1) is fixedly connected to a folding bellows (13), the other end of the folding bellows (13) is fixedly connected to a rubber butt tube (14), the outer side of the rubber butt tube (14) is movably connected to an elastic tie (15), and the top end of the elastic tie (15) is fixedly installed with a fixing device (16).

2. The exhaust gas filtering device that is easy to connect according to claim 1 is characterized in that: A plurality of folded corrugations are provided in the middle of the folded corrugated tube (13).

3. The exhaust gas filtering device that is easy to connect according to claim 1 is characterized in that: A gap is provided inside one end of the rubber butt joint pipe (14) butted against the water pipe, a fixing device (16) is fixedly mounted on the top of the rubber butt joint pipe (14), an elastic tie (15) passes through the bottom of the rubber butt joint pipe (14), and the elastic tie (15) surrounds the rubber butt joint pipe (14) in one circle.

4. The exhaust gas filtering device that is easy to connect according to claim 1 is characterized in that: The air outlet fan (2) is movably connected to one end of the filter chamber (3), and the folded bellows (13) and the rubber butt joint (14) are movably connected to the other end of the filter chamber (3).

5. The exhaust gas filtering device that is easy to connect according to claim 1 is characterized in that: The first filter core (5), the second filter core (6) and the third filter core (7) have different filter hole diameters from large to small, and the first filter core (5) is located inside the filter chamber (3) close to one end of the folded bellows (13) and the rubber butt joint (14), the second filter core (6) is located in the middle of the filter chamber (3), and the third filter core (7) is located inside the filter chamber (3) close to one end of the exhaust fan (2).

6. The exhaust gas filtering device that is easy to connect according to claim 1 is characterized in that: The threaded tube (9) is threadably connected to the housing (1); the bottom ends of the first filter core (5), the second filter core (6) and the third filter core (7) are respectively inserted into the interior of the fixing ring (4), and the top ends are respectively inserted into the interior of the rubber hose (8).

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