A self-cleaning ventilation duct
By introducing self-cleaning components into ventilation ducts, the problem of deteriorating air quality caused by prolonged uncleaning of filters in ventilation ducts is solved, achieving automatic cleaning of filters and continuous optimization of air quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 江苏晨达半导体科技有限公司
- Filing Date
- 2025-07-10
- Publication Date
- 2026-07-03
AI Technical Summary
The existing ventilation ducts suffer from poor air quality due to the lack of cleaning of the filters over a long period of time.
A self-cleaning ventilation duct was designed, comprising a filter screen, a rotating shaft, a drive unit, an external cleaning component, an internal cleaning component, a dust discharge frame, and a dust discharge component. The drive unit drives the rotating shaft to rotate, which in turn drives the external and internal cleaning components to clean the filter screen. Dust enters the dust discharge frame through the guide plate and is collected in the dust discharge component for discharge.
It achieves automatic filter cleaning, preventing air quality degradation and maintaining ventilation.
Smart Images

Figure CN224454836U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ventilation duct technology, and in particular to a self-cleaning ventilation duct. Background Technology
[0002] Ventilation is an important hygiene technology for controlling indoor dust, harmful gases or vapors and improving the indoor microclimate. Its main function is to exhaust indoor air, so ventilation ducts are needed. However, the existing ventilation duct structure is not stable enough and is prone to deformation.
[0003] The prior art (CN205244651U) discloses a ventilation duct, which includes several skeleton units and metal plates welded to the skeleton units. The skeleton unit includes several O-shaped support plates and several connecting plates connected between the O-shaped support plates. Each skeleton unit has a connecting plate with a protrusion. The skeleton units are connected to each other through the connecting plates. The advantages of this utility model are: compact structure, convenient installation, high strength and durability.
[0004] However, with the above method, since the ventilation duct is usually equipped with a filter screen for air filtration during use, the air quality will deteriorate if the filter screen is not cleaned for a long time. Utility Model Content
[0005] The purpose of this invention is to provide a self-cleaning ventilation duct, which aims to solve the problem that existing ventilation ducts are generally equipped with filters for air filtration during use, and that prolonged neglect of cleaning the filters can lead to a deterioration in air quality.
[0006] To achieve the above objectives, this utility model provides a self-cleaning ventilation duct, including a ventilation duct, a filter screen, and a cleaning component. The filter screen is fixedly connected to the ventilation duct and located on one side of the ventilation duct.
[0007] The cleaning assembly includes a rotating shaft, a driving component, an outer cleaning component, an inner cleaning component, a dust removal frame, two guide plates, and a dust removal component;
[0008] The rotating shaft is rotatably connected to the filter screen and located on one side of the filter screen; the driving component is located on one side of the filter screen; the external cleaning component is located on one side of the rotating shaft; the internal cleaning component is located on one side of the rotating shaft; the ash discharge frame is fixedly connected to the ventilation duct and located on one side of the ventilation duct; the two diversion plates are respectively fixedly connected to the ventilation duct and are respectively located inside the ventilation duct; the ash discharge component is located on one side of the ash discharge frame.
[0009] The driving component includes a frame, a drive motor, a reducer, and a transmission rod. The frame is fixedly connected to the filter screen and located on one side of the filter screen. The drive motor is fixedly connected to the frame and located on one side of the frame. The reducer is fixedly connected to the frame and located on one side of the frame. The transmission rod is disposed inside the reducer and fixedly connected to the output end of the drive motor, and then fixedly connected to the rotating shaft, and located on one side of the reducer.
[0010] The external cleaning component includes an external cleaning frame and multiple external cleaning brushes. The external cleaning frame is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The multiple external cleaning brushes are respectively fixedly connected to the external cleaning frame and are respectively located on one side of the external cleaning frame.
[0011] The internal cleaning component includes an internal cleaning frame and multiple internal cleaning brushes. The internal cleaning frame is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The multiple internal cleaning brushes are respectively fixedly connected to the internal cleaning frame and are respectively located on one side of the internal cleaning frame.
[0012] The ash discharge component includes an ash discharge box, a handle, and two locking pins. The ash discharge box is fixedly connected to the ash discharge frame and is located on one side of the ash discharge frame. The handle is fixedly connected to the ash discharge box and is located on one side of the ash discharge box. The two locking pins are threadedly connected to the ash discharge box and the ash discharge frame, and are located on both sides of the ash discharge box.
[0013] This invention discloses a self-cleaning ventilation duct. When the ventilation duct needs cleaning of the filter after a period of use, the drive component is controlled to rotate the shaft. The rotation of the shaft simultaneously drives the outer cleaning component and the inner cleaning component to rotate. The outer cleaning component cleans the outer filter, and the inner cleaning component cleans the inner filter. The dust inside is guided by two guide plates, passes through the dust discharge frame, and enters the dust discharge component for collection. Then, the dust discharge component is opened to discharge the dust. This solves the problem of existing ventilation ducts, where the lack of cleaning of the filter during use leads to poor air quality. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0016] Figure 2This is a structural schematic diagram of the entire utility model from another angle.
[0017] Figure 3 This is a front view of the entire utility model.
[0018] Figure 4 This is a cross-sectional view of the entire utility model.
[0019] 101-Ventilation duct, 102-Filter screen, 103-Shaft, 104-Drive component, 105-External cleaning component, 106-Internal cleaning component, 107-Dust discharge frame, 108-Drainage plate, 109-Dust discharge component, 110-Frame, 111-Drive motor, 112-Reducer, 113-Transmission rod, 114-External cleaning frame, 115-External cleaning brush, 116-Internal cleaning frame, 117-Internal cleaning brush, 118-Dust discharge box, 119-Handle, 120-Locking pin. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings. 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 1-4 ,in, Figure 1 This is a schematic diagram of the overall structure of this utility model. Figure 2 This is a structural schematic diagram of the entire utility model from another angle. Figure 3 This is a front view of the entire utility model. Figure 4 This is a cross-sectional view of the entire utility model.
[0022] This utility model provides a self-cleaning ventilation duct, comprising a ventilation duct 101, a filter 102, and a cleaning component. The cleaning component includes a rotating shaft 103, a driving component 104, an outer cleaning component 105, an inner cleaning component 106, a dust discharge frame 107, two air intake plates 108, and a dust discharge component 109. The driving component 104 includes a frame 110, a drive motor 111, a reducer 112, and a transmission rod 113. The outer cleaning component 105 includes an outer cleaning frame 114 and multiple outer cleaning brushes 115. The inner cleaning component 106 includes an inner cleaning frame 116 and multiple inner cleaning brushes 117. The dust discharge component 109 includes a dust discharge box 118, a handle 119, and two locking pins 120. This solution addresses the problem of poor air quality caused by the lack of cleaning of filters during the operation of existing ventilation ducts, which are typically used with filters.
[0023] In this specific embodiment, the filter 102 is fixedly connected to the ventilation duct 101 and is located on one side of the ventilation duct 101; the filter 102 works with the ventilation duct 101 to ventilate and exhaust indoor air.
[0024] The rotating shaft 103 is rotatably connected to the filter screen 102 and is located on one side of the filter screen 102; the driving component 104 is disposed on one side of the filter screen 102; the outer cleaning component 105 is disposed on one side of the rotating shaft 103; the inner cleaning component 106 is disposed on one side of the rotating shaft 103; the ash discharge frame 107 is fixedly connected to the ventilation duct 101 and is located on one side of the ventilation duct 101; the two diversion plates 108 are respectively fixedly connected to the ventilation duct 101 and are respectively located inside the ventilation duct 101. The dust discharge component 109 is located on one side of the dust discharge frame 107. When the ventilation duct 101 needs to be cleaned after a period of use, the drive component 104 is controlled to drive the rotating shaft 103 to rotate. The rotation of the rotating shaft 103 simultaneously drives the outer cleaning component 105 and the inner cleaning component 106 to rotate. The outer cleaning component 105 cleans the outer filter screen 102, and the inner cleaning component 106 cleans the inner filter screen 102. The cleaned dust inside is guided by the two diversion plates 108, passes through the dust discharge frame 107, and enters the dust discharge component 109 for collection. Then, the dust discharge component 109 is opened to discharge the dust, thereby solving the problem that existing ventilation ducts are generally equipped with filters for air filtration during use, and therefore, the problem of poor air quality caused by not cleaning the filters for a long time is solved.
[0025] Secondly, the frame 110 is fixedly connected to the filter screen 102 and located on one side of the filter screen 102; the drive motor 111 is fixedly connected to the frame 110 and located on one side of the frame 110; the reducer 112 is fixedly connected to the frame 110 and located on one side of the frame 110; the transmission rod 113 is disposed inside the reducer 112 and fixedly connected to the output end of the drive motor 111, and then fixedly connected to the rotating shaft 103 and located on one side of the reducer 112. The frame 110 is used to support the assembly of the drive motor 111 and control the drive motor 111 to cooperate with the reducer 112 to drive the transmission rod 113 to drive the rotating shaft 103 to rotate.
[0026] Meanwhile, the outer cleaning frame 114 is fixedly connected to the rotating shaft 103 and located on one side of the rotating shaft 103; a plurality of outer cleaning brushes 115 are respectively fixedly connected to the outer cleaning frame 114 and located on one side of the outer cleaning frame 114. The outer cleaning frame 114 rotates by the rotating shaft 103, and then drives the plurality of outer cleaning brushes 115 to clean the outside of the filter screen 102.
[0027] In addition, the inner cleaning frame 116 is fixedly connected to the rotating shaft 103 and is located on one side of the rotating shaft 103; a plurality of inner cleaning brushes 117 are fixedly connected to the inner cleaning frame 116 and are located on one side of the inner cleaning frame 116 respectively. The inner cleaning frame 116 rotates by the rotating shaft 103, and then drives the plurality of inner cleaning brushes 117 to clean the inside of the filter screen 102.
[0028] Furthermore, the dust discharge box 118 is fixedly connected to the dust discharge frame 107 and located on one side of the dust discharge frame 107; the handle 119 is fixedly connected to the dust discharge box 118 and located on one side of the dust discharge box 118; the two locking pins 120 are respectively threaded to the dust discharge box 118 and respectively threaded to the dust discharge frame 107, and are respectively located on both sides of the dust discharge box 118. The dust discharge box 118 stores the dust that has been swept away. By twisting the locking pins 120 to loosen the dust discharge box 118, and then operating the handle 119 to pull the dust discharge box 118 out of the dust discharge frame 107 for cleaning.
[0029] When using this invention, if the filter screen 102 needs to be cleaned, the drive motor 111, in conjunction with the reducer 112, drives the transmission rod 113 to rotate the rotating shaft 103. The rotation of the rotating shaft 103 simultaneously rotates the outer cleaning component 105 and the inner cleaning component 106. The outer cleaning frame 114 rotates via the rotating shaft 103, thereby driving multiple outer cleaning brushes 115 to clean the outer side of the filter screen 102. The inner cleaning frame 116 rotates via the rotating shaft 103, thereby driving multiple outer cleaning brushes 115 to clean the outer side of the filter screen 102. The internal cleaning brush 117 cleans the inside of the filter screen 102. The cleaned dust inside is guided by the two guide plates 108, passes through the dust discharge frame 107, and enters the dust discharge box 118 for collection. The locking pin 120 is twisted to loosen the dust discharge box 118, and then the handle 119 is operated to pull the dust discharge box 118 out of the dust discharge frame 107 for cleaning. This solves the problem that existing ventilation ducts are usually equipped with filters for air filtration during use, and long-term neglect of cleaning the filters will lead to poor air quality.
[0030] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A self-cleaning ventilation duct, comprising a ventilation duct and a filter screen, wherein the filter screen is fixedly connected to the ventilation duct and located on one side of the ventilation duct; characterized in that, It also includes cleaning components; The cleaning assembly includes a rotating shaft, a driving component, an outer cleaning component, an inner cleaning component, a dust removal frame, two guide plates, and a dust removal component; The rotating shaft is rotatably connected to the filter screen and located on one side of the filter screen; the driving component is located on one side of the filter screen; the external cleaning component is located on one side of the rotating shaft; the internal cleaning component is located on one side of the rotating shaft; the ash discharge frame is fixedly connected to the ventilation duct and located on one side of the ventilation duct; the two diversion plates are respectively fixedly connected to the ventilation duct and are respectively located inside the ventilation duct; the ash discharge component is located on one side of the ash discharge frame.
2. The self-cleaning ventilation duct as described in claim 1, characterized in that, The driving component includes a frame, a drive motor, a reducer, and a transmission rod. The frame is fixedly connected to the filter screen and located on one side of the filter screen. The drive motor is fixedly connected to the frame and located on one side of the frame. The reducer is fixedly connected to the frame and located on one side of the frame. The transmission rod is disposed inside the reducer and fixedly connected to the output end of the drive motor, and then fixedly connected to the rotating shaft, and located on one side of the reducer.
3. A self-cleaning ventilation duct as described in claim 2, characterized in that, The external cleaning component includes an external cleaning frame and multiple external cleaning brushes. The external cleaning frame is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The multiple external cleaning brushes are respectively fixedly connected to the external cleaning frame and are respectively located on one side of the external cleaning frame.
4. A self-cleaning ventilation duct as described in claim 3, characterized in that, The internal cleaning component includes an internal cleaning frame and multiple internal cleaning brushes. The internal cleaning frame is fixedly connected to the rotating shaft and is located on one side of the rotating shaft. The multiple internal cleaning brushes are respectively fixedly connected to the internal cleaning frame and are respectively located on one side of the internal cleaning frame.
5. A self-cleaning ventilation duct as described in claim 4, characterized in that, The ash discharge component includes an ash discharge box, a handle, and two locking pins. The ash discharge box is fixedly connected to the ash discharge frame and is located on one side of the ash discharge frame. The handle is fixedly connected to the ash discharge box and is located on one side of the ash discharge box. The two locking pins are threadedly connected to the ash discharge box and the ash discharge frame, and are located on both sides of the ash discharge box.