A waste gas purification device for ventilation ducts and ventilation ducts

Abstract

This utility model relates to the field of waste gas purification technology, specifically to a waste gas purification device for ventilation ducts, including a housing and a filter mechanism. The filter mechanism includes a top plate, two fixing components, a fixing plate, an adsorption plate, a movable plate, a fixing strip, several first telescopic rods, and first springs. An opening is provided at the top of the housing, and the top plate is located above the opening. The two fixing components are respectively located on both sides of the top plate. The fixing plate is fixedly connected to the housing, and the fixing strip is fixedly connected to the top plate. The movable plate is located on one side of the fixing plate. One end of several first telescopic rods is fixedly connected to the movable plate, and the other end of several first telescopic rods is fixedly connected to the fixing strip. Several first springs cover the surface of the corresponding first telescopic rods. A bottom plate is located between the fixing plate and the movable plate. Through the above structural design, the problems of existing technologies, such as the filter plate being difficult to absorb blood, clogging and adhering to impurities after long-term use, and affecting the filtration effect, are solved.

Description

Technical Field

[0001] This utility model relates to the field of waste gas purification technology, and in particular to a waste gas purification device for ventilation ducts. Background Technology

[0002] The core function of exhaust gas purification devices for ventilation ducts is to reduce the emission of harmful substances in exhaust gas, improve indoor and outdoor air quality, and protect the environment and human health.

[0003] However, with existing technology, the filter plates are difficult to disassemble, and prolonged use will cause them to become clogged and accumulate impurities, affecting the filtration effect. Utility Model Content

[0004] The purpose of this invention is to provide a waste gas purification device for ventilation ducts, which solves the problems of existing technology, such as the filter plate being difficult to filter, and the filter plate becoming clogged and attached with impurities after long-term use, thus affecting the filtration effect.

[0005] To achieve the above objectives, this utility model provides a waste gas purification device for ventilation ducts, including a housing and a filter mechanism. The filter mechanism includes a top plate, two fixing components, a fixing plate, an adsorption plate, a movable plate, a fixing strip, a plurality of first telescopic rods, and a first spring. An opening is provided at the top of the housing, and the top plate is located above the opening. The two fixing components are respectively located on both sides of the top plate. The fixing plate is fixedly connected to the housing and located inside the housing. The fixing strip is fixedly connected to the top plate and located below the top plate. The movable plate is located on one side of the fixing plate. One end of the plurality of first telescopic rods is fixedly connected to the movable plate, and the other end of the plurality of first telescopic rods is fixedly connected to the fixing strip. A plurality of first springs cover the surface of the corresponding first telescopic rods. A bottom plate is located between the fixing plate and the movable plate.

[0006] The filtration mechanism further includes several second telescopic rods and two retaining frames. One end of each of the second telescopic rods is fixedly connected to the fixed plate, and the other end of each of the second telescopic rods is fixedly connected to the movable plate and respectively disposed between the movable plate and the fixed plate. The two retaining frames are fixedly connected to the fixed plate and the movable plate respectively, and the two retaining frames cover both sides of the adsorption plate.

[0007] Each of the fixing components includes a side plate, a mounting plate, a round rod, a second spring, and a pressure plate. The side plate is fixedly connected to the top plate and located on one side of the top plate. The mounting plate is fixedly connected to the housing and located below the side plate. One end of the round rod is slidably connected to the mounting plate, and the other end of the round rod is fixedly connected to the pressure plate. The second spring covers the surface of the round rod and is located below the mounting plate. The pressure plate is located above the side plate.

[0008] The fixing component further includes a limiting strip, which is fixedly connected to the side plate and covers the outside of the corresponding pressure plate.

[0009] This utility model also provides a ventilation duct, including the exhaust gas purification device for ventilation ducts described above, and further including a duct body, a sliding tube, a retaining ring, and a limiting ring. The duct body is disposed on one side of the housing. One end of the sliding tube is slidably connected to the duct body, and the other end of the sliding tube is bolted to the housing and located inside the duct body. The limiting ring is fixedly connected to the duct body and covers the outside of the sliding tube. The retaining ring is fixedly connected to the sliding tube and located inside the duct body.

[0010] This utility model discloses a waste gas purification device for ventilation ducts. The device comprises a housing with an opening at the top, a top plate positioned above the opening, two fixing components on opposite sides of the top plate, a fixing plate fixedly connected to the housing and located inside the housing, a fixing strip fixedly connected to the top plate and located below the top plate, a movable plate positioned on one side of the fixing plate, one end of several first telescopic rods fixedly connected to the movable plate, the other end of several first telescopic rods fixedly connected to the fixing strip, several first springs covering the surface of corresponding first telescopic rods, and a lower plate positioned between the fixing plate and the movable plate to deliver air into the housing. The adsorption plate, the fixing plate, and the movable plate all filter and adsorb air. During disassembly, pulling out the top plate and then pulling the movable plate causes the first springs and the first telescopic rods to retract accordingly, pulling out the adsorption plate for cleaning. The operation is simple and ensures effective filtration. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of the exhaust gas purification device for ventilation ducts of this utility model.

[0013] Figure 2 This is a side view of the exhaust gas purification device for ventilation ducts according to this utility model.

[0014] Figure 3 This is the utility model Figure 2 A sectional view along line AA.

[0015] Figure 4 This is the utility model Figure 3 A schematic diagram of the structure at point B.

[0016] Figure 5 This is a schematic diagram of the structure of the exhaust gas purification device for ventilation ducts of this utility model.

[0017] Figure 6 This is a side view of the exhaust gas purification device for ventilation ducts according to this utility model.

[0018] Figure 7 This is the utility model Figure 6 CC-line sectional view.

[0019] 1-Box body, 2-Top plate, 3-Fixed plate, 4-Adsorption plate, 5-Moving plate, 6-Fixing strip, 7-First telescopic rod, 8-First spring, 9-Second telescopic rod, 10-Frame, 11-Side plate, 12-Mounting plate, 13-Round rod, 14-Second spring, 15-Pressure plate, 16-Limiting strip, 17-Pipe body, 18-Sliding pipe, 19-Snap ring, 20-Limiting ring. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0021] Please see Figures 1 to 4This utility model provides a waste gas purification device for ventilation ducts, including a housing 1 and a filtering mechanism. The filtering mechanism includes a top plate 2, two fixing components, a fixing plate 3, an adsorption plate 4, a movable plate 5, a fixing strip 6, a plurality of first telescopic rods 7, and a first spring 8. An opening is provided on the top of the housing 1, and the top plate 2 is located above the opening. The two fixing components are respectively located on both sides of the top plate 2. The fixing plate 3 is fixedly connected to the housing 1 and located inside the housing 1. The fixing strip 6 is fixedly connected to the top plate 2 and located below the top plate 2. The movable plate 5 is located on one side of the fixing plate 3. One end of the plurality of first telescopic rods 7 is fixedly connected to the movable plate 5, and the other end of the plurality of first telescopic rods 7 is fixedly connected to the fixing strip 6. The plurality of first springs 8 cover the surface of the corresponding first telescopic rods 7. The bottom plate is located between the fixing plate 3 and the movable plate 5.

[0022] In this embodiment, air is delivered into the interior of the housing 1. The fixed plate 3, the movable plate 5, and the adsorption plate 4 all filter and adsorb the air. During disassembly, the top plate 2 is pulled out, and the movable plate 5 is pulled. The first spring 8 and the first telescopic rod 7 retract accordingly, pulling out the adsorption plate 4. The adsorption plate 4, the fixed plate 3, and the movable plate 5 are then cleaned. The operation is simple and ensures the filtration effect.

[0023] Furthermore, the filtration mechanism also includes a plurality of second telescopic rods 9 and two retaining frames 10. One end of the plurality of second telescopic rods 9 is fixedly connected to the fixed plate 3, and the other end of the plurality of second telescopic rods 9 is fixedly connected to the movable plate 5, and is respectively disposed between the movable plate 5 and the fixed plate 3. The two retaining frames 10 are respectively fixedly connected to the fixed plate 3 and the movable plate 5, and the two retaining frames 10 respectively cover both sides of the adsorption plate 4.

[0024] In this embodiment, when installing the adsorption plate 4, the adsorption plate 4 is clamped inside the fixed plate 3 and the movable plate 5, and the clamping frame 10 restricts the position of the adsorption plate 4, thereby improving the stability of the adsorption plate 4.

[0025] Furthermore, each of the fixing components includes a side plate 11, a mounting plate 12, a round rod 13, a second spring 14, and a pressure plate 15. The side plate 11 is fixedly connected to the top plate 2 and located on one side of the top plate 2. The mounting plate 12 is fixedly connected to the housing 1 and located below the side plate 11. One end of the round rod 13 is slidably connected to the mounting plate 12, and the other end of the round rod 13 is fixedly connected to the pressure plate 15. The second spring 14 covers the surface of the round rod 13 and is located below the mounting plate 12. The pressure plate 15 is disposed above the side plate 11.

[0026] In this embodiment, during installation, the top plate 2 is placed above the housing 1, the round rod 13 is pushed, the round rod 13 drives the pressure plate 15 to move, the pressure plate 15 is rotated, and the pressure plate 15 is rotated above the side plate 11. The second spring 14 pushes the round rod 13, so that the pressure plate 15 presses on the surface of the side plate 11, thus fixing the top plate 2.

[0027] Furthermore, the fixing component also includes a limiting strip 16, which is fixedly connected to the side plate 11 and covers the outside of the corresponding pressure plate 15.

[0028] In this embodiment, the limiting strip 16 restricts the position of the pressure plate 15 and prevents the pressure plate 15 from rotating.

[0029] Please see Figures 5 to 7 This utility model also provides a ventilation duct, including the exhaust gas purification device for ventilation ducts described above, and further including a duct body 17, a sliding tube 18, a retaining ring 19, and a limiting ring 20. The duct body 17 is disposed on one side of the housing 1. One end of the sliding tube 18 is slidably connected to the duct body 17, and the other end of the sliding tube 18 is bolted to the housing 1 and located inside the duct body 17. The limiting ring 20 is fixedly connected to the duct body 17 and covers the outside of the sliding tube 18. The retaining ring 19 is fixedly connected to the sliding tube 18 and located inside the duct body 17.

[0030] In this embodiment, during installation, the sliding tube 18 is slid according to the position of the pipe body 17 and the position of the box 1, so that the sliding roller fits against the box 1 and is fixed by bolts. The limiting ring 20 and the retaining ring 19 are engaged to fix the sliding tube 18 to one side of the pipe body 17.

[0031] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A waste gas purification device for ventilation ducts, comprising a housing, characterized in that, It also includes a filtration mechanism, which comprises a top plate, two fixing components, a fixing plate, an adsorption plate, a movable plate, a fixing strip, a plurality of first telescopic rods, and a first spring. An opening is provided above the housing, and the top plate is positioned above the opening. The two fixing components are respectively positioned on both sides of the top plate. The fixing plate is fixedly connected to the housing and located inside the housing. The fixing strip is fixedly connected to the top plate and located below the top plate. The movable plate is positioned on one side of the fixing plate. One end of each of the plurality of first telescopic rods is fixedly connected to the movable plate, and the other end of each of the plurality of first telescopic rods is fixedly connected to the fixing strip. A plurality of first springs cover the surface of the corresponding first telescopic rods. A lower plate is positioned between the fixing plate and the movable plate.

2. The exhaust gas purification device for ventilation ducts as described in claim 1, characterized in that, The filtration mechanism further includes several second telescopic rods and two retaining frames. One end of each of the second telescopic rods is fixedly connected to the fixed plate, and the other end of each of the second telescopic rods is fixedly connected to the movable plate and respectively disposed between the movable plate and the fixed plate. The two retaining frames are fixedly connected to the fixed plate and the movable plate respectively, and the two retaining frames cover both sides of the adsorption plate.

3. The exhaust gas purification device for ventilation ducts as described in claim 2, characterized in that, Each of the fixing components includes a side plate, a mounting plate, a round rod, a second spring, and a pressure plate. The side plate is fixedly connected to the top plate and located on one side of the top plate. The mounting plate is fixedly connected to the housing and located below the side plate. One end of the round rod is slidably connected to the mounting plate, and the other end of the round rod is fixedly connected to the pressure plate. The second spring covers the surface of the round rod and is located below the mounting plate. The pressure plate is positioned above the side plate.

4. The exhaust gas purification device for ventilation ducts as described in claim 3, characterized in that, The fixing component also includes a limiting strip, which is fixedly connected to the side plate and covers the outside of the corresponding pressure plate.

5. A ventilation duct, comprising the exhaust gas purification device for a ventilation duct as described in claim 4, characterized in that, It also includes a pipe body, a sliding tube, a retaining ring, and a limiting ring. The pipe body is disposed on one side of the housing. One end of the sliding tube is slidably connected to the pipe body, and the other end of the sliding tube is bolted to the housing and located inside the pipe body. The limiting ring is fixedly connected to the pipe body and covers the outside of the sliding tube. The retaining ring is fixedly connected to the sliding tube and located inside the pipe body.

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