Novel fireproof smoke exhaust air duct cleaning device
By designing a fireproof smoke exhaust duct cleaning device, a rotating sleeve and cleaning head driven by a servo motor are used to clean the inner wall of the duct, solving the problem of inconvenient disassembly and cleaning in existing technologies, and achieving efficient and convenient inner wall cleaning and sewage collection.
Patent Information
- Application Number
- CN202423266662.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing technologies, after a period of use, impurities accumulate on the inner wall of the exhaust duct, which shortens its service life. However, existing cleaning methods require disassembling the duct, which increases time costs and inconvenience.
A novel fireproof smoke exhaust duct cleaning device was designed, comprising a cleaning mechanism, a sealing system, and a wastewater collection structure. The device uses a servo motor to drive a rotating sleeve and a cleaning head to achieve cleaning of the inner wall without disassembly. The duct is sealed by a sealing plate and a screw system, and the wastewater is automatically collected after cleaning.
It enables efficient cleaning of internal wall impurities without disassembling the air duct, simplifies the cleaning process, reduces time costs, facilitates wastewater discharge, and improves ease of use.
Smart Images

Figure CN223580002U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cleaning device technical field, especially in new -type fire -prevention smoke exhaust air duct cleaning device. BACKGROUND
[0002] The smoke exhaust device is indispensably needed in modern family kitchen. But due to the objective use environment and the limitation of product structure, after using for a period of time, the inner wall of the smoke exhaust air duct will accumulate and adhere to a certain amount of impurities, thereby affecting the use of the smoke exhaust air duct, and shortening the service life of the smoke exhaust air duct.
[0003] The existing smoke exhaust air duct is usually cleaned by disassembling, that is, the smoke exhaust air duct is disassembled and then the inner wall is cleaned, and after cleaning, the smoke exhaust air duct is installed back to the original position for use. This cleaning method is inconvenient, increases the time cost of cleaning, and is not convenient for cleaning the impurities on the inner wall of the smoke exhaust air duct without disassembling the smoke exhaust air duct, and is inconvenient to use. UTILITY MODEL CONTENTS
[0004] In order to overcome the deficiency that the impurities on the inner wall of the smoke exhaust air duct are not convenient to clean without disassembling the smoke exhaust air duct in the prior art, one of the purposes of the utility model is to provide a new fire-prevention smoke exhaust air duct cleaning device.
[0005] One of the purposes of the utility model is achieved by the following technical scheme: a new fire-prevention smoke exhaust air duct cleaning device, comprising a shell: a smoke exhaust fan is fixedly connected to one side inner wall of the shell, a smoke exhaust air duct is fixedly connected to the side inner wall of the shell away from the smoke exhaust fan, and a cleaning mechanism is arranged inside the smoke exhaust air duct; the cleaning mechanism comprises a support frame fixedly connected to one side of the smoke exhaust air duct, a protective shell fixedly connected to the middle part of the support frame, a first servo motor fixedly connected to the inner wall of the protective shell, a rotating shaft fixedly connected to the output end of the first servo motor, a connecting rod fixedly connected to the outer surface of the rotating shaft, a rotating sleeve fixedly connected to one side of the connecting rod, a plurality of cleaning heads fixedly connected to the outer surface of the rotating sleeve in an annular array, a storage cylinder rotatably connected to the inner wall of the rotating sleeve, a plurality of first flow-through holes equally and oppositely arranged in the inner bottom wall of the storage cylinder, and a plurality of second flow-through holes equally and oppositely arranged on the outer surface of the rotating sleeve. The impurities adhered to the inner wall of the smoke exhaust air duct can be conveniently cleaned, thereby achieving the purpose of conveniently cleaning the smoke exhaust air duct.
[0006] According to the new fire-prevention smoke exhaust air duct cleaning device, a fixed rod is fixedly connected to the middle part of one side of the storage cylinder close to the smoke exhaust fan, the fixed rod penetrates one side of the rotating sleeve, and the rotating sleeve is rotatably connected to the outer surface of the fixed rod. The storage cylinder is conveniently fixed, thereby ensuring the stability of the storage cylinder.
[0007] According to the new fire prevention smoke exhaust air duct cleaning device, the water inlet pipe is fixedly connected to the side wall of the first servo motor, and the inner wall of the water inlet pipe is threadedly connected with a sealing cover. The cleaning water can be introduced into the storage cylinder through the water inlet pipe, and the sealing cover can prevent impurities from entering the storage cylinder, thereby achieving the protection effect.
[0008] According to the new fire prevention smoke exhaust air duct cleaning device, the first transparent observation strip is arranged on the side of the storage cylinder close to the water inlet pipe. The water amount in the storage cylinder can be observed.
[0009] According to the new fire prevention smoke exhaust air duct cleaning device, the dust screen is fixedly connected to the inner wall of the side of the smoke exhaust air duct close to the first servo motor. The dust screen can prevent dust from entering the smoke exhaust air duct and accumulating on the inner wall of the smoke exhaust air duct, thereby preventing the use of the smoke exhaust air duct.
[0010] According to the new fire prevention smoke exhaust air duct cleaning device, the moving groove is formed in the inner wall of the side of the shell close to the smoke exhaust fan, the first sealing plate and the second sealing plate are movably connected to the inner wall of the moving groove, the second servo motor is fixedly connected to the side of the upper surface of the shell, the output end of the second servo motor is fixedly connected with the reversible screw rod, the reversible screw rod penetrates through the shell, the first sealing plate and the second sealing plate, the reversible screw rod is rotationally connected with the shell, and the reversible screw rod is threadedly connected with the first sealing plate and the second sealing plate. The smoke exhaust air duct can be closed, so that the smoke exhaust air duct can be cleaned more conveniently, and the cleaning water can be prevented from flowing into the smoke exhaust fan and affecting the use of the smoke exhaust fan.
[0011] According to the new fire prevention smoke exhaust air duct cleaning device, the support sleeve is fixedly connected to the outer surface of the side of the shell close to the reversible screw rod, and the reversible screw rod is rotationally connected to the inner wall of the support sleeve. The reversible screw rod can be supported, so that the stability of the rotation of the reversible screw rod is effectively improved.
[0012] According to the new fire prevention smoke exhaust air duct cleaning device, the first square groove is formed in the inner bottom wall of the smoke exhaust air duct, the fixed sleeve is rotationally connected to the outer surface of the smoke exhaust air duct, the second square groove is formed in the inner bottom wall of the fixed sleeve, the receiving groove is fixedly connected to the inner wall of the second square groove, and the collection drawer is slidably connected to the inner wall of the receiving groove. The sewage in the smoke exhaust air duct can be collected and discharged.
[0013] According to the new fire prevention smoke exhaust air duct cleaning device, the side outer surface of the fixed sleeve is fixedly connected with a clamping block, one side wall of the shell is fixedly connected with a supporting block, the upper surface of the supporting block is threadedly connected with a limiting rod, the upper surface of the clamping block is provided with a threaded hole, the limiting rod is in threaded connection with the threaded hole, and one side of the shell is fixedly connected with a clamping table.
[0014] According to the new fire prevention smoke exhaust air duct cleaning device, one side of the collecting drawer is provided with a second transparent observation strip.
[0015] The above-mentioned scheme has the beneficial effects of:
[0016] 1. By arranging the cleaning mechanism, when the smoke exhaust air duct needs to be cleaned, the first servo motor is started to drive the rotating sleeve to rotate on the outer surface of the storage cylinder, and when the second flow-through hole coincides with the first flow-through hole in the rotating process, the cleaning water in the storage cylinder flows out into the smoke exhaust air duct, so that the impurities on the inner wall of the smoke exhaust air duct are rubbed and cleaned by the rotation of the cleaning head and the cleaning water, and the inner wall of the smoke exhaust air duct can be cleaned without being disassembled.
[0017] 2. By arranging the fixed sleeve, the first square groove, the second square groove, the clamping block, the clamping table, the limiting rod and the collecting drawer, after cleaning, the limiting rod is rotated to drive it to move upward on the inner wall of the threaded hole so as to not limit the clamping block, and then the fixed sleeve is rotated downward to make the clamping block abut on the upper surface of the clamping table, at this time, the second square groove corresponds to the first square groove, so that the sewage in the smoke exhaust air duct flows into the collecting drawer through the first square groove and the second square groove for collection, and the sewage can be conveniently discharged and collected, and the use is convenient.
[0018] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0019] The present application will be further described below in combination with the drawings and embodiments.
[0020] Figure 1 It is a whole structure schematic view of the new fire prevention smoke exhaust air duct cleaning device.
[0021] Figure 2 It is a structure schematic view of the smoke exhaust air duct inside section of the new fire prevention smoke exhaust air duct cleaning device.
[0022] Figure 3 It is a structure schematic view of the closure cover of the new fire prevention smoke exhaust air duct cleaning device.
[0023] Figure 4 It is the structure schematic view of the table of the novel fireproof smoke exhaust air duct cleaning device of the utility model;
[0024] Figure 5 It is the structure schematic view of the positive and negative screw rod of the novel fireproof smoke exhaust air duct cleaning device of the utility model;
[0025] Figure 6 It is the structure schematic view of the collection drawer of the novel fireproof smoke exhaust air duct cleaning device of the utility model.
[0026] Legend:
[0027] 1, shell; 2, smoke exhaust fan; 3, smoke exhaust air duct; 4, cleaning mechanism; 401, support frame; 402, protective shell; 403, first servo motor; 404, rotating shaft; 405, connecting rod; 406, rotating sleeve; 407, cleaning head; 408, storage cylinder; 409, first flow-through hole; 410, second flow-through hole; 5, fixed rod; 6, water inlet pipe; 7, closure cover; 8, first transparent observation strip; 9, dust screen; 10, moving groove; 11, first closure plate; 12, first closure plate; 13, second servo motor; 14, positive and negative screw rod; 15, support sleeve; 16, first square groove; 17, fixed sleeve; 18, second square groove; 19, storage groove; 20, collection drawer; 21, table; 22, support block; 23, limiting rod; 24, threaded hole; 25, table; 26, second transparent observation strip. DETAILED DESCRIPTION
[0028] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0029] Reference Figures 1-6The utility model provides a new type fire prevention smoke exhaust air duct cleaning device, including the casing 1: the side inner wall of casing 1 is fixedly connected with smoke exhaust fan 2, the side inner wall of casing 1 away from smoke exhaust fan 2 is fixedly connected with smoke exhaust air duct 3, and the inside of smoke exhaust air duct 3 is provided with cleaning mechanism 4, and cleaning mechanism 4 includes the support frame 401 fixedly connected in one side of smoke exhaust air duct 3, the middle part of support frame 401 is fixedly connected with the protective shell 402, the inner wall of protective shell 402 is fixedly connected with first servo motor 403, the output of first servo motor 403 is fixedly connected with the rotating shaft 404, the outer surface of rotating shaft 404 is fixedly connected with connecting rod 405, one side of connecting rod 405 is fixedly connected with rotating sleeve 406, and the outer surface of rotating sleeve 406 is fixedly connected with cleaning head 407 in the way of annular array equidistant, and the inner bottom wall of storage cylinder 408 is equidistantly provided with first through -hole 409, the outer surface of rotating sleeve 406 is symmetrically equidistantly provided with second through -hole 410, the middle part of one side of storage cylinder 408 close to smoke exhaust fan 2 is fixedly connected with fixed rod 5, and fixed rod 5 penetrates one side of rotating sleeve 406, and rotating sleeve 406 is rotatably connected on the outer surface of fixed rod 5, the side wall of one side of storage cylinder 408 close to first servo motor 403 is fixedly connected with water inlet pipe 6, and the inner wall of water inlet pipe 6 is threadedly connected with closure 7, and the first transparent observation strip 8 is arranged on the side of one side of storage cylinder 408 close to water inlet pipe 6, the inner wall of the side of smoke exhaust air duct 3 close to first servo motor 403 is fixedly connected with dust screen 9, and the inner wall of the side of casing 1 close to smoke exhaust fan 2 is provided with moving groove 10, and the inner wall of moving groove 10 is movably connected with first closure plate 11 and second closure plate 12 respectively, the side of the upper surface of casing 1 is fixedly connected with second servo motor 13, the output of second servo motor 13 is fixedly connected with positive and negative screw rod 14, and positive and negative screw rod 14 penetrates casing 1, first closure plate 11 and second closure plate 12, and positive and negative screw rod 14 is rotatably connected with casing 1, and positive and negative screw rod 14 is threadedly connected with first closure plate 11 and second closure plate 12, and the outer surface of the side of casing 1 close to positive and negative screw rod 14 is fixedly connected with support sleeve 15, and positive and negative screw rod 14 is rotatably connected on the inner wall of support sleeve 15.When the inner wall of the smoke exhaust duct 3 needs to be cleaned, the smoke exhaust fan 2 is closed, the smoke is not exhausted through the smoke exhaust duct 3, the second servo motor 13 is started to drive the reversible screw rod 14 to rotate, the reversible screw rod 14 drives the first sealing plate 11 and the second sealing plate 12 to move towards each other on the inner wall of the moving groove 10, so as to close the smoke exhaust duct 3, then the first servo motor 403 is started to drive the rotating shaft 404 to rotate, the rotating shaft 404 drives the rotating sleeve 406 to rotate on the outer surface of the storage cylinder 408 and the outer surface of the fixed rod 5 through the connecting rod 405, when the second flow-through hole 410 corresponds to the first flow-through hole 409 in the rotating process of the rotating sleeve 406, the cleaning water in the storage cylinder 408 flows into the smoke exhaust duct 3 through the first flow-through hole 409 and the second flow-through hole 410, so that the inner wall of the smoke exhaust duct 3 is cleaned under the rotating action of the cleaning head 407 and the cleaning water, thereby the impurities on the inner wall of the smoke exhaust duct 3 can be cleaned at any time without disassembling the smoke exhaust duct 3, thereby avoiding that the impurities are accumulated on the inner wall of the smoke exhaust duct 3 for a long time to affect the use effect.
[0030] The inner bottom wall of the smoke exhaust duct 3 is provided with a first square groove 16, the outer surface of the smoke exhaust duct 3 is rotatably connected with a fixed sleeve 17, the inner bottom wall of the fixed sleeve 17 is provided with a second square groove 18, the inner wall of the second square groove 18 is fixedly connected with a receiving groove 19, the inner wall of the receiving groove 19 is slidably connected with a collection drawer 20, one side of the outer surface of the fixed sleeve 17 is fixedly connected with a clamping block 21, one side of the side wall of the shell 1 is fixedly connected with a supporting block 22, the upper surface of the supporting block 22 is threadedly connected with a limiting rod 23, the upper surface of the clamping block 21 is provided with a threaded hole 24, the limiting rod 23 is in threaded connection with the threaded hole 24, one side of the shell 1 is fixedly connected with a clamping table 25, one side of the collection drawer 20 is provided with a second transparent observation strip 26. After cleaning, the limiting rod 23 is rotated to drive it to move upwards on the inner wall of the threaded hole 24, so as to not limit the clamping block 21, then the fixed sleeve 17 is rotated downwards to make the clamping block 21 abut on the upper surface of the clamping table 25, at this time, the second square groove 18 corresponds to the first square groove 16, so that the sewage in the smoke exhaust duct 3 flows into the collection drawer 20 through the first square groove 16 and the second square groove 18 for collection, thereby facilitating the sewage to be discharged and collected, and the use is convenient.
[0031] Working principle: when the inner wall of the smoke exhaust duct 3 needs to be cleaned, the smoke exhaust fan 2 is closed and the smoke is not exhausted through the smoke exhaust duct 3, the second servo motor 13 is started to drive the reversible screw rod 14 to rotate, the reversible screw rod 14 drives the first sealing plate 11 and the second sealing plate 12 to move towards each other in the inner wall of the moving groove 10, so as to close the smoke exhaust duct 3, then the first servo motor 403 is started to drive the rotating shaft 404 to rotate, the rotating shaft 404 drives the rotating sleeve 406 to rotate on the outer surface of the storage cylinder 408 and the outer surface of the fixed rod 5 through the connecting rod 405, when the second flow-through hole 410 corresponds to the first flow-through hole 409 in the rotating process of the rotating sleeve 406, the cleaning water in the storage cylinder 408 flows into the smoke exhaust duct 3 through the first flow-through hole 409 and the second flow-through hole 410, so that the inner wall of the smoke exhaust duct 3 is cleaned under the rotating action of the cleaning head 407 and the cleaning water, and the impurities on the inner wall of the smoke exhaust duct 3 can be cleaned at any time without disassembling the smoke exhaust duct 3, after cleaning, the rotating limiting rod 23 drives it to move upwards in the inner wall of the threaded hole 24 so as to not limit the fixed block 21, then the fixed sleeve 17 is rotated downwards to make the block 21 lap on the upper surface of the block 25, at this time, the second square groove 18 corresponds to the first square groove 16, so that the sewage in the smoke exhaust duct 3 flows into the collection drawer 20 through the first square groove 16 and the second square groove 18, and the sewage is collected and discharged, which is convenient to use.
[0032] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A novel fireproof smoke exhaust duct cleaning device, characterized in that, Includes a housing (1): a smoke exhaust fan (2) is fixedly connected to one inner wall of the housing (1), and a smoke exhaust duct (3) is fixedly connected to the inner wall of the housing (1) away from the smoke exhaust fan (2). A cleaning mechanism (4) is provided inside the smoke exhaust duct (3). The cleaning mechanism (4) includes a support frame (401) fixedly connected to one side of the exhaust duct (3). A protective shell (402) is fixedly connected to the middle of the support frame (401). A first servo motor (403) is fixedly connected to the inner wall of the protective shell (402). A rotating shaft (404) is fixedly connected to the output end of the first servo motor (403). A connecting rod (405) is fixedly connected to the outer surface of the rotating shaft (404). A rotating sleeve (406) is fixedly connected to one side of the connecting rod (405). Cleaning heads (407) are fixedly connected at equal intervals in a ring array on the outer surface of the rotating sleeve (406). A storage cylinder (408) is rotatably connected to the inner wall of the rotating sleeve (406). A first flow hole (409) is equidistantly opened on the inner bottom wall of the storage cylinder (408). A second flow hole (410) is symmetrically and equidistantly opened on the outer surface of the rotating sleeve (406).
2. The novel fireproof smoke exhaust duct cleaning device according to claim 1, characterized in that, A fixing rod (5) is fixedly connected to the middle of the side of the storage cylinder (408) near the exhaust fan (2). The fixing rod (5) passes through one side of the rotating sleeve (406), and the rotating sleeve (406) is rotatably connected to the outer surface of the fixing rod (5).
3. The novel fireproof smoke exhaust duct cleaning device according to claim 1, characterized in that, A water inlet pipe (6) is fixedly connected to the side wall of the storage cylinder (408) near the first servo motor (403), and a sealing cap (7) is threadedly connected to the inner wall of the water inlet pipe (6).
4. The novel fireproof smoke exhaust duct cleaning device according to claim 3, characterized in that, The storage cylinder (408) has a first transparent observation strip (8) on the side near the water inlet pipe (6).
5. A novel fireproof smoke exhaust duct cleaning device according to claim 1, characterized in that, A dustproof net (9) is fixedly connected to the inner wall of the exhaust duct (3) near the first servo motor (403).
6. The novel fireproof smoke exhaust duct cleaning device according to claim 1, characterized in that, The inner wall of the housing (1) near the exhaust fan (2) is provided with a movable groove (10). The inner wall of the movable groove (10) is movably connected to a first sealing plate (11) and a second sealing plate (12). A second servo motor (13) is fixedly connected to one side of the upper surface of the housing (1). A positive and negative screw (14) is fixedly connected to the output end of the second servo motor (13). The positive and negative screw (14) passes through the housing (1), the first sealing plate (11) and the second sealing plate (12). The positive and negative screw (14) is rotatably connected to the housing (1). The positive and negative screw (14) is threadedly connected to both the first sealing plate (11) and the second sealing plate (12).
7. A novel fireproof smoke exhaust duct cleaning device according to claim 6, characterized in that, A support sleeve (15) is fixedly connected to the outer surface of the housing (1) near the positive and negative screws (14), and the positive and negative screws (14) are rotatably connected to the inner wall of the support sleeve (15).
8. A novel fireproof smoke exhaust duct cleaning device according to claim 1, characterized in that, The bottom wall of the exhaust duct (3) is provided with a first square groove (16), the outer surface of the exhaust duct (3) is rotatably connected with a fixed sleeve (17), the bottom wall of the fixed sleeve (17) is provided with a second square groove (18), the inner wall of the second square groove (18) is fixedly connected with a storage groove (19), and the inner wall of the storage groove (19) is slidably connected with a collection drawer (20).
9. A novel fireproof smoke exhaust duct cleaning device according to claim 8, characterized in that, A mounting block (21) is fixedly connected to one side of the outer surface of the fixed sleeve (17), a support block (22) is fixedly connected to one side wall of the housing (1), a limit rod (23) is threadedly connected to the upper surface of the support block (22), a threaded hole (24) is opened on the upper surface of the mounting block (21), the limit rod (23) is threadedly connected to the threaded hole (24), and a platform (25) is fixedly connected to one side of the housing (1).
10. A novel fireproof smoke exhaust duct cleaning device according to claim 8, characterized in that, A second transparent observation strip (26) is provided on one side of the collection drawer (20).