Auxiliary self-cleaning structure of fireplace smoke exhaust device
By designing structures such as rotating components and spiral frames in the fireplace smoke exhaust device, scraping and collecting soot in the inner wall of the exhaust pipe is solved, and the problems of exhaust pipe blockage and air pollution caused by soot accumulation are improved, and the flue gas discharge efficiency is improved. and environmentally friendly.
Patent Information
- Application Number
- CN202420654161.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-01
AI Technical Summary
When the smoke ash cannot be effectively cleaned, the existing fireplace smoke exhaust device will reduce the smoke exhaust effect, indoor air pollution and smoke spread.
An auxiliary self-cleaning structure is designed to drive the rotating column, transmission assembly and spiral frame through the rotating assembly to scrape and transport the soot ash on the inner wall of the exhaust pipe to the collection box. The smoke is filtered with the filter screen to improve the smoke exhaust effect. and environmentally friendly.
It effectively solves the problems of blockage of the inner wall of the exhaust pipe and air pollution caused by the accumulation of soot, improves the flue gas discharge efficiency, avoids smoke, and enhances the environmental protection of the device.
Smart Images

Figure CN222317027U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireplace smoke exhaust, in particular to an auxiliary self-cleaning structure of a fireplace smoke exhaust device. Background Art
[0002] A fireplace is an indoor heating device that is independent or built into a wall. It uses combustibles as energy and has a chimney inside. It originated in Western families. Since its fuel is a renewable resource, it is still widely used in the West after modernization and improvement, especially among the educated class who advocate environmental protection. Fireplaces are divided into open and closed types, and the latter has much higher thermal efficiency. In order to exhaust the smoke generated by combustion in the fireplace, a smoke exhaust device will be installed when installing the fireplace to exhaust the smoke to the outside.
[0003] After searching, a fireplace smoke exhaust device with an auxiliary self-cleaning structure with application number CN202222588978.7 is found. Although the smoke exhaust device can achieve self-cleaning through the arranged reducer, motor, shaft sleeve, connecting shaft, mounting seat, connecting plate and scraper, and the motor is used to drive the scraper on the connecting shaft to rotate, so that the scraper scrapes off the dust adhered to the inner wall of the smoke exhaust pipe, so as to clean the smoke exhaust device and avoid the accumulation of dust on the smoke exhaust pipe to cause damage to the smoke exhaust device. The arranged filtering mechanism can filter out the dust in the smoke when the smoke exhaust device is exhausting smoke, so as to facilitate the collection and treatment of dust in the smoke, avoid direct discharge of smoke to cause air pollution, and make the use effect of the smoke exhaust device better. However, in actual use, the soot in the exhaust pipe cannot be cleaned and accumulates under the inner wall of the exhaust pipe 7. The long-term accumulation of dust will reduce the exhaust effect of the smoke, resulting in the indoor smoke being easily filled with smoke, causing indoor air pollution. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an auxiliary self-cleaning structure of a fireplace smoke exhaust device, which is used to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] An auxiliary self-cleaning structure of a fireplace smoke exhaust device comprises a smoke exhaust pipe, a connecting pipe is fixedly arranged inside the smoke exhaust pipe, a cleaning assembly is arranged on the top of the smoke exhaust pipe, an exhaust pipe 1 is fixedly arranged on the inner wall of the smoke exhaust pipe, a fixing frame is fixedly arranged at one end of the exhaust pipe 1, an exhaust pipe 2 is fixedly arranged on the right side of the fixing frame, a rotating assembly is arranged on the top of the fixing frame, a rotating column is arranged on the top of the fixing frame through the rotating assembly, a transmission assembly is arranged at one end of the rotating column, a rotating shaft is arranged on the rotating column through the transmission assembly, a connecting rod is fixedly arranged on the surface of the rotating shaft, a spiral frame is fixedly arranged at one end of the connecting rod, and the surface of the spiral frame is overlapped with the inner wall of the exhaust pipe 1.
[0007] Preferably, the cleaning component includes a reducer fixedly arranged on the top of the smoke exhaust pipe, a motor is fixedly arranged at the input end of the reducer, a rotating frame is fixedly arranged at the output end of the reducer, the rotating frame is rotatably arranged with the smoke exhaust pipe, a scraper is fixedly arranged on the surface of the rotating frame, and the surface of the scraper is overlapped with the inner wall of the smoke exhaust pipe.
[0008] Preferably, the rotating assembly includes a mounting seat fixedly arranged on the top of the fixed frame, a second motor is fixedly arranged on the top of the mounting seat, and the output end of the second motor is fixedly arranged on one end of the rotating column, a fixing sleeve is fixedly arranged inside the mounting seat, and the inner wall of the fixing sleeve is rotatably arranged on the surface of the rotating column.
[0009] Preferably, the transmission assembly comprises a worm fixedly arranged at one end of the rotating column, a worm wheel is meshedly arranged inside the worm, and an inner wall of the worm wheel is fixedly arranged on the surface of the rotating shaft.
[0010] Preferably, a support frame 1 is rotatably arranged on the surface of the rotating shaft, and the support frame 1 is fixedly arranged on the inner wall of the second exhaust pipe. A support frame 2 is rotatably arranged on the surface of the rotating shaft, and the support frame 2 is fixedly arranged on the inner wall of the first exhaust pipe.
[0011] Preferably, a collection box is overlapped and arranged inside the fixed frame, and a handle is fixedly arranged on the front side of the collection box.
[0012] Preferably, a filter is fixedly provided on the inner wall of the fixed frame, the filter is made of metal material, and the inner wall of the filter is rotatably arranged with the surface of the rotating shaft.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the auxiliary self-cleaning structure of the fireplace smoke exhaust device drives the rotating column to rotate through the rotating component, so that the rotating column drives the rotating shaft to rotate through the transmission component, and the rotating shaft drives the connecting rod, so that the connecting rod drives the spiral frame to rotate, and the ash on the inner wall of the exhaust pipe is scraped off and transported to the right to the inside of the collection box, which solves the problem that the ash inside the exhaust pipe cannot be cleaned and accumulates under the inner wall of the exhaust pipe, and prevents the situation that the internal space of the exhaust pipe is reduced after the dust accumulates for a long time, resulting in a decrease in the exhaust effect of the smoke, and avoids the pollution of the indoor air and the occurrence of smoky conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the structural survey drawing of the utility model;
[0015] Figure 2 It is a front cross-sectional view of the local structure of the utility model;
[0016] Figure 3 It is a front cross-sectional view of another local structure of the utility model;
[0017] Figure 4 for Figure 3 Enlarged view of point A in the middle;
[0018] Figure 5 It is a side sectional view of another local structure of the utility model.
[0019] In the figure: 1. smoke exhaust chimney; 2. connecting pipe; 3. reducer; 4. motor 1; 5. rotating frame; 6. scraper; 7. exhaust pipe 1; 8. fixing frame; 9. collecting box; 10. handle; 11. exhaust pipe 2; 12. mounting base; 13. motor 2; 14. rotating column; 15. fixing sleeve; 16. worm; 17. worm wheel; 18. rotating shaft; 19. support frame 1; 20. support frame 2; 21. connecting rod; 22. spiral frame; 23. filter. DETAILED DESCRIPTION
[0020] 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 technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Reference Figure 1-5, an auxiliary self-cleaning structure of a fireplace smoke exhaust device, comprising a smoke exhaust pipe 1, a connecting pipe 2 is fixedly arranged inside the smoke exhaust pipe 1, a cleaning component is arranged on the top of the smoke exhaust pipe 1, and the cleaning component comprises a reducer 3 fixedly arranged on the top of the smoke exhaust pipe 1, a motor 4 is fixedly arranged on the input end of the reducer 3, a rotating frame 5 is fixedly arranged on the output end of the reducer 3, the rotating frame 5 is rotatably arranged with the smoke exhaust pipe 1, a scraper 6 is fixedly arranged on the surface of the rotating frame 5, and the surface of the scraper 6 is overlapped with the inner wall of the smoke exhaust pipe 1, the reducer 3 is driven by the motor 4, so that the reducer 3 drives the rotating frame 5 to rotate, so that the rotating frame 5 drives the scraper 6 to rotate, and the ash on the inner wall of the smoke exhaust pipe 1 is scraped, so as to avoid the blockage of the smoke exhaust pipe 1 and the reduction of the smoke exhaust effect. An exhaust pipe 17 is fixedly arranged on the wall, a fixed frame 8 is fixedly arranged at one end of the exhaust pipe 17, a collecting box 9 is overlapped inside the fixed frame 8, a handle 10 is fixedly arranged on the front side of the collecting box 9, and the arrangement of the collecting box 9 and the handle 10 facilitates the collection, removal and cleaning of cigarette ash, an exhaust pipe 2 is fixedly arranged on the right side of the fixed frame 8, a rotating assembly is arranged on the top of the fixed frame 8, a rotating column 14 is arranged on the top of the fixed frame 8 through the rotating assembly, the rotating assembly includes a mounting seat 12 fixedly arranged on the top of the fixed frame 8, a motor 2 13 is fixedly arranged on the top of the mounting seat 12, and the output end of the motor 2 13 is fixedly arranged with one end of the rotating column 14, a fixing sleeve 15 is fixedly arranged inside the mounting seat 12, and the inner wall of the fixing sleeve 15 rotates with the surface of the rotating column 14 The rotating column 14 is dynamically arranged, and the stability of the rotating column 14 during operation is improved by the arrangement of the fixed sleeve 15, and the tilting of the rotating column 14 is avoided. A transmission assembly is arranged at one end of the rotating column 14, and the rotating column 14 is provided with a rotating shaft 18 through the transmission assembly. The transmission assembly includes a worm 16 fixedly arranged at one end of the rotating column 14, and a worm wheel 17 is arranged in meshing relationship with the inside of the worm 16, and the inner wall of the worm wheel 17 is fixedly arranged with the surface of the rotating shaft 18. The worm wheel 17 and the worm 16 cooperate with each other, so that the rotating column 14 can drive the rotating shaft 18 to rotate, and at the same time, it is avoided that the motor 13 is arranged inside the pipeline, which may cause abnormal heating. A support frame 19 is rotatably arranged on the surface of the rotating shaft 18, and the support frame 19 is fixedly arranged with the inner wall of the exhaust pipe 11, and the rotating shaft 18 A support frame 20 is rotatably arranged on the surface, and the support frame 20 is fixedly arranged on the inner wall of the exhaust pipe 17. The arrangement of the support frame 19 and the support frame 20 prevents the shaft 18 from shifting, so that the worm wheel 17 and the worm 16 are separated. A connecting rod 21 is fixedly arranged on the surface of the shaft 18, and a spiral frame 22 is fixedly arranged on one end of the connecting rod 21, and the surface of the spiral frame 22 is overlapped with the inner wall of the exhaust pipe 17. A filter screen 23 is fixedly arranged on the inner wall of the fixed frame 8. The filter screen 23 is made of metal material, and the inner wall of the filter screen 23 is rotatably arranged on the surface of the shaft 18. The arrangement of the filter screen 23 facilitates the filtering of smoke, thereby increasing the environmental protection of the fireplace. The auxiliary self-cleaning structure of the fireplace smoke exhaust device drives the rotating column 14 to rotate through the rotating component.The rotating column 14 drives the rotating shaft 18 to rotate through the transmission assembly, and the rotating shaft 18 drives the connecting rod 21, so that the connecting rod 21 drives the spiral frame 22 to rotate, scraping the soot on the inner wall of the exhaust pipe 7 and transporting it to the right to the inside of the collection box 9, solving the problem that the soot inside the exhaust pipe 7 cannot be cleaned and accumulates under the inner wall of the exhaust pipe 7, preventing the dust from accumulating for a long time, which will reduce the internal space of the exhaust pipe 7 and reduce the exhaust effect of the smoke, and avoiding indoor air pollution and smoke.
[0022] During use: when it is necessary to clean the inner wall of the exhaust pipe 7, it is only necessary to start the motor 2 13, so that the motor 2 13 drives the rotating column 14 to rotate, so that the rotating column 14 drives the worm 16 to rotate, and the worm 16 drives the worm wheel 17 to rotate, so that the worm wheel 17 drives the rotating shaft 18 to rotate, so that the rotating shaft 18 drives the connecting rod 21 to rotate, and the connecting rod 21 drives the spiral frame 22 to rotate, so that the spiral frame 22 scrapes the inner wall of the exhaust pipe 7, scrapes off the cigarette ash on the inner wall of the exhaust pipe 7, and transports it from left to right into the fixed frame 8 so that it falls into the collection box 9. When the cigarette ash in the collection box 9 needs to be taken out, it is only necessary to pull out the collection box 9 through the handle 10.
[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An auxiliary self-cleaning structure of a fireplace smoke exhaust device, comprising a smoke exhaust tube (1), characterized in that: A connecting pipe (2) is fixedly arranged inside the smoke exhaust pipe (1), a cleaning assembly is arranged on the top of the smoke exhaust pipe (1), an exhaust pipe 1 (7) is fixedly arranged on the inner wall of the smoke exhaust pipe (1), a fixed frame (8) is fixedly arranged at one end of the exhaust pipe 1 (7), an exhaust pipe 2 (11) is fixedly arranged on the right side of the fixed frame (8), a rotating assembly is arranged on the top of the fixed frame (8), a rotating column (14) is arranged on the top of the fixed frame (8) through the rotating assembly, a transmission assembly is arranged at one end of the rotating column (14), a rotating shaft (18) is arranged on the rotating column (14) through the transmission assembly, a connecting rod (21) is fixedly arranged on the surface of the rotating shaft (18), a spiral frame (22) is fixedly arranged at one end of the connecting rod (21), and the surface of the spiral frame (22) is overlapped with the inner wall of the exhaust pipe 1 (7).
2. The auxiliary self-cleaning structure of a fireplace smoke exhaust device according to claim 1, characterized in that: The cleaning component comprises a reducer (3) fixedly arranged on the top of the smoke exhaust pipe (1), a motor (4) fixedly arranged at the input end of the reducer (3), a rotating frame (5) fixedly arranged at the output end of the reducer (3), the rotating frame (5) being rotatably arranged with the smoke exhaust pipe (1), a scraper (6) fixedly arranged on the surface of the rotating frame (5), and the surface of the scraper (6) being overlapped with the inner wall of the smoke exhaust pipe (1).
3. The auxiliary self-cleaning structure of a fireplace smoke exhaust device according to claim 1, characterized in that: The rotating assembly comprises a mounting seat (12) fixedly arranged on the top of the fixed frame (8); a second motor (13) is fixedly arranged on the top of the mounting seat (12); an output end of the second motor (13) is fixedly arranged on one end of a rotating column (14); a fixing sleeve (15) is fixedly arranged inside the mounting seat (12); and an inner wall of the fixing sleeve (15) is rotatably arranged on the surface of the rotating column (14).
4. The auxiliary self-cleaning structure of a fireplace smoke exhaust device according to claim 1, characterized in that: The transmission assembly comprises a worm (16) fixedly arranged at one end of a rotating column (14); a worm wheel (17) is meshedly arranged inside the worm (16); and the inner wall of the worm wheel (17) is fixedly arranged on the surface of a rotating shaft (18).
5. The auxiliary self-cleaning structure of a fireplace smoke exhaust device according to claim 1, characterized in that: A support frame 1 (19) is rotatably arranged on the surface of the rotating shaft (18), and the support frame 1 (19) is fixedly arranged on the inner wall of the exhaust pipe 2 (11). A support frame 2 (20) is rotatably arranged on the surface of the rotating shaft (18), and the support frame 2 (20) is fixedly arranged on the inner wall of the exhaust pipe 1 (7).
6. The auxiliary self-cleaning structure of a fireplace smoke exhaust device according to claim 1, characterized in that: A collection box (9) is overlapped and arranged inside the fixed frame (8), and a handle (10) is fixedly arranged on the front side of the collection box (9).
7. The auxiliary self-cleaning structure of a fireplace smoke exhaust device according to claim 1, characterized in that: A filter screen (23) is fixedly arranged on the inner wall of the fixed frame (8); the filter screen (23) is made of metal material, and the inner wall of the filter screen (23) is rotatably arranged on the surface of the rotating shaft (18).
Citation Information
Patent Citations
A fireplace smoke extraction device with an auxiliary self-cleaning structure
CN218846174U