Filtering structure of smoke exhaust pipe
By designing a filter chamber and a cleaning mechanism in the exhaust pipe, and using the reciprocating motion driven by a cylinder and a motor to clean the filter screen, the problem of reduced sealing performance in the prior art is solved, achieving efficient cleaning and sealing protection.
Patent Information
- Application Number
- CN202423269099.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing smoke exhaust pipe's filter structure requires disassembly and cleaning after long-term use, which reduces its sealing performance and affects the smoke exhaust effect.
Design a filtration structure that includes a filter chamber, a filter screen, and a cleaning mechanism. The mounting plate and nozzle are lowered by a cylinder, and a pump delivers cleaning liquid to backwash the filter screen. The reciprocating motion of the filter screen is achieved by a motor driving a turntable to rotate, thus avoiding disassembly for cleaning.
It enables effective cleaning without disassembling the filter, maintains the airtightness of the exhaust pipe, prevents oil fumes from leaking out, and facilitates centralized wastewater treatment.
Smart Images

Figure CN223564307U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a smoke exhaust pipe technical field more specifically, relate to a kind of filter structure of smoke exhaust pipe. BACKGROUND
[0002] Range hood is one of the essential kitchen equipment in modern family, for the oil fume in kitchen is extracted to outside, while to reduce the pollution of oil fume to environment, filter device needs to be installed in smoke exhaust pipe to filter the large particle pollutants in oil fume.
[0003] The filter structure of smoke exhaust pipe is generally filter screen, after long-term use, filter screen is easily blocked by the large particle pollutants in oil fume, the filter structure of existing smoke exhaust pipe mostly needs to be disassembled and cleaned when cleaning, and the sealing of smoke exhaust pipe is reduced after long-time installation and disassembly of filter screen, so that oil fume is leaked, in view of this, we provide a kind of filter structure of smoke exhaust pipe. SUMMARY
[0004] The utility model aims at overcoming the deficiency of prior art, adapting to reality needs, provide a kind of filter structure of smoke exhaust pipe, to solve the technical problem that the filter structure of current existing smoke exhaust pipe needs to be disassembled and cleaned and is likely to cause the sealing of smoke exhaust pipe to reduce.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of filter structure of smoke exhaust pipe, including filter bin, filter screen being located in the inside of the filter bin and cleaning mechanism being located in the side of the filter screen;
[0006] The filter bin includes air inlet bin and air outlet bin symmetrically arranged with the air inlet bin, and the bottom of the opposite end of the air inlet bin and the air outlet bin is provided with a collection bin;
[0007] The filter screen is fixedly installed in the inner wall of the air outlet bin by screw;
[0008] The cleaning mechanism includes a mounting box, the open end of the mounting box is communicated with the inner cavity of the air outlet bin, the top of the mounting box is provided with a cylinder, the output end of the cylinder extends into the inner cavity of the air outlet bin and is fixedly installed with a mounting plate, a reciprocating assembly is provided on the mounting plate, the reciprocating assembly is provided with a spray head on the opposite side of the filter screen, the input end of the spray head is provided with a hose, the pump is fixedly installed on the outer wall of one side of the mounting box, one end of the hose is provided in the side wall of the mounting box and is fixedly connected with the output end of the pump, and the input end of the pump is fixedly connected with a water inlet pipe.
[0009] Preferably, the reciprocating assembly comprises a motor fixedly installed on the mounting plate opposite to the filter screen, the motor output end penetrates through the mounting plate and is fixedly connected with a rotating disc, the rotating disc is fixedly connected with a stub shaft on the side opposite to the filter screen, the stub shaft is sleeved with a sleeve frame, the sleeve frame is penetrated with guide rods at both ends, the guide rods are fixedly connected with the mounting plate top and bottom surface through mounting seats at both ends, and the sleeve frame is fixedly installed with a C-shaped mounting frame on the side opposite to the filter screen.
[0010] Preferably, the nozzle is fixedly connected with the C-shaped mounting frame at both ends through a mounting ring.
[0011] Preferably, the mounting plate bottom is fixedly connected with a baffle matched with the opening end of the mounting box.
[0012] Preferably, the filter bin composed of the air inlet bin, the air outlet bin and the collection bin is Y-shaped, and the air inlet bin and the air outlet bin are lower than the opposite ends of the air inlet bin and the air outlet bin at the top connection points of the collection bin.
[0013] Preferably, the collection bin bottom is provided with a through hole, and the collection bin bottom is provided with a valve communicated with the through hole.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1. The utility model discloses a cleaning mechanism, the output end of the cylinder drives the mounting plate and the baffle to descend, so that the bottom of the mounting box is in an open state, and the nozzle is also lowered, the pump sucks the cleaning liquid from the water inlet pipe and then delivers the cleaning liquid to the nozzle through the hose, the motor drives the rotating disc to rotate, the rotating disc drives the stub shaft to rotate, and the stub shaft drives the sleeve frame, the C-shaped mounting frame and the nozzle to reciprocate up and down, so that the filter screen is reciprocally washed in the reverse direction, after the cleaning is finished, the cylinder drives the mounting plate and the baffle to ascend, so that the bottom of the mounting box is closed, the oil fume is prevented from entering the mounting box, the filter screen does not need to be disassembled, and the sealing property of the smoke exhaust pipe is protected.
[0016] 2. The utility model also discloses that the filter bin composed of the air inlet bin, the air outlet bin and the collection bin is Y-shaped, so that the damage of the range hood caused by the wastewater flowing along the air inlet bin into the range hood can be effectively prevented, and the wastewater can flow into the collection bin from the air inlet bin and the air outlet bin for centralized treatment. DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is a cross section structure schematic view of the utility model;
[0019] Figure 3The utility model discloses a reciprocating assembly assembly structure schematic diagram.
[0020] Mark explanation in drawing:
[0021] 1, filter bin, 101, air inlet bin, 102, air outlet bin, 103, collection bin, 1031, through -hole, 2, filter screen, 3, cleaning mechanism, 3, cleaning mechanism, 301, installation box, 302, air cylinder, 303, mounting plate, 304, reciprocating assembly, 3041, motor, 3042, carousel, 3043, stub axle, 3044, casing, 3045, guide rod, 3046, C type mounting frame, 305, shower nozzle, 306, hose, 307, pump, 308, water inlet pipe, 309, baffle, 4, valve. DETAILED DESCRIPTION
[0022] As Figures 1 to 3 shown, the utility model relates to a kind of filter structure of smoke exhaust pipe, including filter bin 1, filter screen 2, cleaning mechanism 3 and valve 4.
[0023] As Figure 1 , Figure 2 As shown, filter bin 1 includes air inlet bin 101 and the air outlet bin 102 being symmetrically arranged with air inlet bin 101, and the bottom of the opposite end of air inlet bin 101 and air outlet bin 102 is equipped with collection bin 103.
[0024] Specifically, as Figure 1 , Figure 2 As shown, filter bin 1 consisting of air inlet bin 101, air outlet bin 102 and collection bin 103 is Y-shaped, and the connecting point of air inlet bin 101 and air outlet bin 102 with the top of collection bin 103 is lower than the opposite end of air inlet bin 101 and air outlet bin 102, oil fume enters from the air inlet bin 101 of filter bin 1, is filtered from air outlet bin 102 after filter screen 2, and collection bin 103 is used for collecting waste water generated by cleaning filter screen 2 of cleaning mechanism 3, filter bin 1 consisting of air inlet bin 101, air outlet bin 102 and collection bin 103 is Y-shaped, which can effectively prevent waste water from flowing into range hood along air inlet bin 101, and it is more convenient for waste water to flow from air inlet bin 101 and air outlet bin 102 into collection bin 103.
[0025] Further, as Figure 2 shown, through -hole 1031 is opened in the bottom of collection bin 103 for discharging sewage.
[0026] As Figure 2 shown, filter screen 2 is fixedly installed on the inner wall of air outlet bin 102 by screw, for filtering large particle substances in oil fume.
[0027] As Figures 1 to 3 shown, cleaning mechanism 3 is arranged on one side of filter screen 2.
[0028] Specifically, asFigures 1 to 3 As shown, the cleaning mechanism 3 comprises a mounting box 301, the open end of the mounting box 301 is communicated with the inner cavity of the air outlet bin 102, the top of the mounting box 301 is provided with a gas cylinder 302, the output end of the gas cylinder 302 extends to the inner cavity of the air outlet bin 102 and is fixedly installed with a mounting plate 303, the mounting plate 303 is provided with a reciprocating assembly 304, the reciprocating assembly 304 is provided with a spray head 305 on the side opposite to the filter screen 2, the input end of the spray head 305 is provided with a hose 306, the pump machine 307 is fixedly installed on the outer wall of one side of the mounting box 301, one end of the hose 306 is provided in the box wall of one side of the mounting box 301 and is fixedly connected with the output end of the pump machine 307, the input end of the pump machine 307 is fixedly connected with a water inlet pipe 308, the bottom of the mounting plate 303 is fixedly connected with a baffle 309 matched with the open end of the mounting box 301, the gas cylinder 302 is driven by an external control mechanism, the output end of the gas cylinder 302 drives the mounting plate 303 and the baffle 309 to descend so that the bottom of the mounting box 301 is in an open state, at the same time, the mounting plate 303 drives the reciprocating assembly 304 and the spray head 305 to descend, one end of the water inlet pipe 308 is inserted into the external cleaning liquid, the pump machine 307 is driven by the external control mechanism, the cleaning liquid is sucked from the water inlet pipe 308 and then is transported from the hose 306 to the spray head 305 to be sprayed to the filter screen 2, the filter screen 2 is reversely washed and cleaned.
[0029] Further, as shown in Figure 2 , Figure 3 , the reciprocating assembly 304 comprises a motor 3041, the motor 3041 is fixedly installed on the side opposite to the filter screen 2 of the mounting plate 303, the output end of the motor 3041 is provided in the mounting plate 303 and is fixedly connected with a rotating disc 3042, the rotating disc 3042 is fixedly connected with a short shaft 3043 on the side opposite to the filter screen 2, the short shaft 3043 is sleeved with a sleeve frame 3044, the sleeve frame 3044 is provided with a guide rod 3045 at both ends, the guide rod 3045 is fixedly connected with the top and the bottom surface of the mounting plate 303 through the mounting seat at both ends, the sleeve frame 3044 is fixedly installed with a C-shaped mounting frame 3046 on the side opposite to the filter screen 2, the spray head 305 is fixedly connected with both ends of the C-shaped mounting frame 3046 through the mounting ring, the motor 3041 is driven by the external control mechanism to drive the rotating disc 3042 to rotate, the rotating disc 3042 drives the short shaft 3043 to rotate, the short shaft 3043 slides in the sleeve frame 3044 when rotating and drives the sleeve frame 3044 to reciprocate up and down along the guide rod 3045, and then drives the C-shaped mounting frame 3046 and the spray head 305 to reciprocate up and down, so that the filter screen 2 and the cleaning liquid sprayed by the spray head 305 are more uniform and sufficient, thereby further improving the cleaning effect of the filter screen 2.
[0030] As shown in Figure 1 , Figure 2 , the valve 4 is communicated with the through hole 1031 at the bottom of the collecting bin 103, the waste water in the collecting bin 103 can be discharged from the through hole 1031 when the valve 4 is opened, and the oil fume can be prevented from leaking when the valve 4 is closed.
[0031] Working principle: the embodiment provides a filtering structure of smoke exhaust pipe, when in use, the oil fume enters from the air inlet chamber 101 of the filter bin 1, is filtered after filter screen 2 and is discharged from the air outlet chamber 102, the external control mechanism drives the cylinder 302, the output end of the cylinder 302 drives the mounting plate 303 and the baffle 309 to descend and makes the bottom of the mounting box 301 be in open state, the mounting plate 303 drives the reciprocating assembly 304 and the nozzle 305 to descend, one end of the water inlet pipe 308 is inserted into external cleaning liquid, the pump 307 is driven by the external control mechanism, the cleaning liquid is sucked from the water inlet pipe 308 and is transported to the nozzle 305 from the hose 306 and is sprayed to the filter screen 2, the motor 3041 is driven by the external control mechanism, the rotating disc 3042 is driven to rotate, the short shaft 3043 is driven to rotate, the short shaft 3043 slides in the sleeve frame 3044 and drives the sleeve frame 3044 to reciprocate up and down along the guide rod 3045, and then drives the C-shaped mounting frame 3045 and the nozzle 305 to reciprocate up and down, the filter screen 2 is washed in reverse, the waste water generated flows into the collecting chamber 103 from the air inlet chamber 101 and the air outlet chamber 102, the valve 4 is opened, the waste water in the collecting chamber 103 can be discharged from the through hole 1031, the valve 4 is closed, the oil fume can be prevented from leaking, after cleaning, the mounting plate 303 and the baffle 309 are driven to rise by the cylinder 302, the baffle 309 closes the bottom of the mounting box 301, and the oil fume is reduced to enter the mounting box 301.
[0032] The embodiment of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is appreciated to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.
Claims
1. A filter structure for a smoke evacuation tube, characterized by, The utility model provides filtering bin (1), filter screen (2) arranged inside filtering bin (1) and cleaning mechanism (3) arranged at one side of filter screen (2); The filtering bin (1) comprises an air inlet bin (101) and an air outlet bin (102) symmetrically arranged with the air inlet bin (101), and a collecting bin (103) is arranged at the bottom of the opposite end of the air inlet bin (101) and the air outlet bin (102). The filter screen (2) is fixedly installed on the inner wall of the air outlet bin (102) through screws. The cleaning mechanism (3) comprises a mounting box (301), the opening end of the mounting box (301) is communicated with the inner cavity of the air outlet bin (102), a gas cylinder (302) is arranged on the top of the mounting box (301), the output end of the gas cylinder (302) extends into the inner cavity of the air outlet bin (102) and is fixedly installed with a mounting plate (303), a reciprocating assembly (304) is arranged on the mounting plate (303), a spray head (305) is arranged on the opposite side of the filter screen (2), a hose (306) is arranged on the input end of the spray head (305), a pump (307) is fixedly installed on the outer wall of one side of the mounting box (301), one end of the hose (306) is arranged on the box wall of one side of the mounting box (301) and is fixedly connected with the output end of the pump (307), and a water inlet pipe (308) is fixedly connected with the input end of the pump (307).
2. The filter structure for a smoke evacuation tube according to claim 1, wherein The reciprocating assembly (304) comprises a motor (3041), the motor (3041) is fixedly installed on the opposite side of the mounting plate (303) and the filter screen (2), the output end of the motor (3041) is arranged on the mounting plate (303) and is fixedly connected with a rotating disc (3042), a short shaft (3043) is fixedly connected with the side edge of the opposite side of the filter screen (2), a sleeve frame (3044) is arranged on the short shaft (3043), guide rods (3045) are arranged at both ends of the sleeve frame (3044), the guide rods (3045) are fixedly connected with the top and the bottom surfaces of the mounting plate (303) through mounting seats, and a C-shaped mounting frame (3046) is fixedly installed on the opposite side of the filter screen (2).
3. A filter structure for a flue according to claim 2, characterised in that The spray head (305) is fixedly connected with both ends of the C-shaped mounting frame (3046) through a mounting ring.
4. The filter structure for a smoke evacuation tube according to claim 2, wherein The mounting plate (303) is fixedly connected with a baffle (309) matched with the opening end of the mounting box (301).
5. The filter structure for a smoke evacuation tube according to claim 1, wherein The filtering bin (1) composed of the air inlet bin (101), the air outlet bin (102) and the collecting bin (103) is Y-shaped, and the connecting points of the top of the air inlet bin (101) and the air outlet bin (102) with the collecting bin (103) are lower than the opposite end of the air inlet bin (101) and the air outlet bin (102).
6. The filtering structure for a smoke evacuation tube according to claim 5, wherein A through hole (1031) is arranged on the bottom of the collecting bin (103), and a valve (4) is arranged on the bottom of the collecting bin (103) and communicated with the through hole (1031).