Air pipe connecting device
By using a duct connection device with a bearing ring and a sealing ring structure, combined with an automatic cleaning brush of a lifting mechanism, the problems of troublesome duct connection and filter clogging are solved, achieving convenient connection and automatic cleaning effect.
Patent Information
- Application Number
- CN202520786844.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-24
AI Technical Summary
In existing technologies, threaded connections for ductwork are cumbersome to operate, and the filters are prone to clogging and require frequent cleaning.
It adopts a bearing ring and sealing ring structure, and realizes the air duct connection through the rotation of threaded sleeve and connecting ring. Combined with the lifting mechanism, it drives the cleaning brush to automatically clean the impurities on the filter screen, reducing the need for air duct rotation and manual cleaning.
It enables convenient duct connection, reduces operational hassles, and automates filter cleaning, improving connection efficiency and cleaning convenience.
Smart Images

Figure CN223855084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a duct technology field especially relates to a duct connecting device. BACKGROUND
[0002] Fresh air system is a set of independent air handling system composed of air supply system and exhaust system, and the duct is an important accessory, and the duct needs to be connected by a connecting device, and the Chinese patent file with publication number CN207112159U discloses a duct connecting device.
[0003] But the connecting structure of the above technical scheme is troublesome to connect two ducts, and threaded connection is more convenient, but threaded connection needs to rotate the whole duct, which is also very troublesome to operate, and if a filter screen is arranged in the connecting device, the filter screen is easy to block, so that the filter screen needs to be taken out and cleaned frequently. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings that the prior art adopts threaded connection and needs to rotate the duct, which is very inconvenient, and the filter screen needs to be taken out and cleaned, and provides a duct connecting device.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A duct connecting device comprises
[0007] A processing box;
[0008] A connecting sleeve, two connecting sleeves are integrally machined on the openings on the two sides of the processing box;
[0009] A bearing ring, two bearing rings are arranged in the grooves of the connecting sleeves;
[0010] A duct connecting assembly, two duct connecting assemblies are arranged, the duct connecting assembly comprises a connecting ring, a threaded sleeve and a sealing ring, two sealing rings are arranged, the inner side of the sealing ring is sleeved with the surface of the connecting ring, the connecting ring and the threaded sleeve are integrally machined, and the connecting ring is rotatably sleeved with the connecting sleeve through the bearing ring;
[0011] A filter assembly, the filter assembly comprises a connecting plate, a filter screen, vertical strips and a cleaning brush, the surface of the connecting plate is bolted with the inside of the processing box, the opening of the connecting plate is clamped with the periphery of the filter screen, two vertical strips are arranged, the surfaces of the two vertical strips are bolted with the two sides of the surface of the connecting plate respectively, and the cleaning brush is slidably connected with the vertical strips;
[0012] The lifting mechanism is connected with the cleaning brush, the threaded sleeve and the connecting ring can rotate on the side of the processing box, the threaded sleeve can be screwed with the air pipe by rotating, without rotating the air pipe, the trouble of rotation is reduced, and the filter screen can be cleaned by the cleaning brush when the filter screen is blocked, so that the impurities on the filter screen are cleaned and the filter screen is unblocked.
[0013] As a preferred scheme of the utility model, the lifting mechanism includes a reduction motor, a rotating rod, a driving wheel and a transmission assembly, the output end of the reduction motor is keyed to one end of the rotating rod, the shaft centers of the two driving wheels are keyed to the surface of the rotating rod, the driving wheel is in transmission connection with the transmission assembly, and the driving wheel and the transmission assembly are both provided with two.
[0014] As a preferred scheme of the utility model, the transmission assembly includes a transmission belt and a driven wheel, the inner side of the driving wheel is in transmission connection with the inner side of the transmission belt, the bottom of the inner side of the transmission belt is in transmission connection with the inner side of the driven wheel, and the transmission belt is bolted with the cleaning brush.
[0015] As a preferred scheme of the utility model, the surface of the reduction motor is bolted with the surface of the connecting plate, the two ends of the rotating rod are rotatably sleeved with the holes of the vertical bars, and the shaft center of the driven wheel is rotatably connected with the side surface of the vertical bar.
[0016] As a preferred scheme of the utility model, the holes in the surface of the processing box are threadedly connected with sealing covers, the sealing covers correspond to the connecting plate, the sealing covers can open the processing box as required, the inside of the processing box is exposed for use, and the dust and impurities filtered out can be conveniently poured out.
[0017] As a preferred scheme of the utility model, the bearing ring is located between the two sealing rings, the filter screen corresponds to the connecting ring, the sealing property can be enhanced, and the filter screen and the connecting ring facilitate filtering.
[0018] Advantages:
[0019] 1. The processing box increases the contact area with the connecting ring through the connecting sleeve, the bearing ring can reduce the friction of the rotating connecting ring, and the sealing ring can increase the sealing property between the connecting sleeve and the connecting ring, so that the threaded sleeve and the connecting ring can rotate on the two sides of the processing box, and only the threaded sleeve and the connecting ring need to be rotated when the air pipe is connected, without rotating the air pipe.
[0020] 2. The filter screen can filter the passing air, and the lifting mechanism can drive the cleaning brush to move up and down. The cleaning brush can brush and clean the impurities adhering to the filter screen.
[0021] In this invention, the threaded sleeve and the connecting ring can rotate on the side of the treatment box. The threaded sleeve can be automatically connected to the air duct by rotation, eliminating the need to rotate the air duct and reducing the hassle of rotation. When the filter screen is clogged, it can be cleaned by brushing with a cleaning brush to remove the impurities and unclog the filter screen. Attached Figure Description
[0022] Figure 1 This is a perspective view of the entire utility model;
[0023] Figure 2 This is a perspective view of the processing box of this utility model;
[0024] Figure 3 This is a perspective view of the connecting plate of this utility model;
[0025] Figure 4 This is a perspective view of the disassembled connecting ring of this utility model.
[0026] In the diagram: 1. Processing box; 2. Connecting sleeve; 3. Bearing ring; 4. Connecting ring; 5. Threaded sleeve; 6. Sealing ring; 7. Connecting plate; 8. Filter screen; 9. Vertical bar; 10. Gear motor; 11. Rotating rod; 12. Drive wheel; 13. Transmission belt; 14. Driven wheel; 15. Cleaning brush; 16. Sealing cover. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0028] Example
[0029] Reference Figures 1-4 A duct connection device, comprising
[0030] Processing box 1;
[0031] Connecting sleeve 2, there are two connecting sleeves 2, and the two connecting sleeves 2 are integrally machined into the openings on both sides of the processing box 1;
[0032] There are two bearing rings 3, which are fitted into the groove of the connecting sleeve 2.
[0033] The air pipe connecting assembly is provided with two air pipe connecting assemblies, and each air pipe connecting assembly comprises a connecting ring 4, a threaded sleeve 5 and two sealing rings 6.
[0034] The filter assembly comprises a connecting plate 7, a filter screen 8, two vertical bars 9 and a cleaning brush 15.
[0035] The lifting mechanism is connected with the cleaning brush 15.
[0036] Through the above structure, the threaded sleeve 5 and the connecting ring 4 can rotate on the side surface of the processing box 1, and the threaded sleeve 5 can be threadedly connected with the air pipe by rotating, without the need to rotate the air pipe, thereby reducing the trouble of rotation.
[0037] Please refer to Figure 3 The lifting mechanism comprises a speed reducer motor 10, a rotating rod 11, two driving wheels 12 and a transmission assembly.
[0038] Please refer to Figure 3 The transmission assembly comprises a transmission belt 13 and two driven wheels 14.
[0039] Please refer to Figure 3The surface of the reduction motor 10 is bolted with the surface of the connecting plate 7, both ends of the rotating rod 11 are rotatably sleeved with the holes of the vertical strip 9, the shaft center of the driven wheel 14 is rotatably connected with the side surface of the vertical strip 9, the reduction motor 10 is fixed by the connecting plate 7, the reduction motor 10 is convenient to drive the rotating rod 11 to rotate, the rotating rod 11 is rotatably arranged with the vertical strip 9 through a bearing, and the driven wheel 14 is rotatably arranged with the vertical strip 9 through a bearing, so that the stability of the driven wheel 14 is ensured.
[0040] Please refer to Figure 4 The surface of the processing box 1 is screw-connected with the sealing cover 16, the sealing cover 16 corresponds to the connecting plate 7, the sealing cover 16 can be opened according to the need, the inside of the processing box 1 is exposed, and it is convenient to pour the filtered dust and impurities.
[0041] Please refer to Figure 2 The bearing ring 3 is located between the two sealing rings 6, the filter screen 8 corresponds to the connecting ring 4, the sealing property can be enhanced, and the filter screen 8 and the connecting ring 4 are convenient to filter.
[0042] It should be noted that: specific use of which model of the reduction motor 10 is selected by the person skilled in the art, and the above reduction motor 10 belongs to the prior art, and the present scheme will not be described in detail.
[0043] The operation steps of the utility model are as follows: the processing box 1 increases the contact area with the connecting ring 4 through the connecting sleeve 2, the bearing ring 3 can reduce the friction of the connecting ring 4, the sealing ring 6 can increase the sealing property between the connecting sleeve 2 and the connecting ring 4, through the arrangement, the threaded sleeve 5 and the connecting ring 4 can rotate on both sides of the processing box 1, when the air pipe is connected, only the threaded sleeve 5 and the connecting ring 4 need to be rotated, the air pipe does not need to be rotated, the connecting plate 7 and the filter screen 8 can filter the air passing through, the power supply of the reduction motor 10 is connected, the reduction motor 10 is controlled by using the motor controller, the reduction motor 10 can drive the rotating rod 11 to rotate, the rotating rod 11 can drive the driving wheel 12 to rotate, the driving wheel 12 can drive the transmission belt 13 to rotate, the transmission belt 13 can drive the driven wheel 14 to move downwards, and the cleaning brush 15 can brush and clean the impurities adhered on the filter screen 8.
[0044] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. An air duct connecting device, characterized by The utility model relates to a processing box (1); Connecting sleeve (2) is equipped with two, two connecting sleeve (2) is integrally processed in the opening of processing box (1) two sides respectively; Bearing ring (3) is equipped with two, bearing ring (3) is set in the recess of connecting sleeve (2); The air pipe connecting assembly is equipped with two, and the air pipe connecting assembly includes connecting ring (4), threaded sleeve (5) and sealing ring (6), the inner side of sealing ring (6) is set with the surface of connecting ring (4), connecting ring (4) is integrally processed with threaded sleeve (5), and connecting ring (4) is rotatably connected with connecting sleeve (2) through bearing ring (3); Filter assembly, filter assembly includes connecting plate (7), filter screen (8), vertical bar (9) and cleaning brush (15), the surface of connecting plate (7) is bolted with the inside of processing box (1), the opening of connecting plate (7) is clamped with the periphery of filter screen (8), vertical bar (9) is equipped with two, the surface of two vertical bar (9) is bolted with the surface of connecting plate (7) two sides respectively, and cleaning brush (15) is slidably connected with vertical bar (9); Lifting mechanism, lifting mechanism is connected with cleaning brush (15). The lifting mechanism includes a reduction motor (10), a rotating rod (11), a driving wheel (12) and a transmission assembly, the output end of the reduction motor (10) is connected with one end of the rotating rod (11), the shaft center of the two driving wheels (12) is connected with the surface of the rotating rod (11), the driving wheel (12) is connected with the transmission assembly, and the driving wheel (12) and the transmission assembly are equipped with two.
2. A duct connection device according to claim 1, characterised in that The transmission assembly includes a transmission belt (13) and a driven wheel (14), the inner side of the driving wheel (12) is connected with the inner side of the transmission belt (13), the bottom of the inner side of the transmission belt (13) is connected with the inner side of the driven wheel (14), and the transmission belt (13) is bolted with the cleaning brush (15).
3. A duct connection device according to claim 2, wherein The surface of the reduction motor (10) is bolted with the surface of the connecting plate (7), both ends of the rotating rod (11) are rotatably connected with the hole of the vertical bar (9), and the shaft center of the driven wheel (14) is rotatably connected with the side surface of the vertical bar (9).
4. A duct connection device according to claim 3, wherein The hole in the surface of the processing box (1) is threadedly connected with a sealing cover (16), and the sealing cover (16) corresponds to the connecting plate (7).
5. An air duct coupling device according to claim 1, wherein The bearing ring (3) is located between the two sealing rings (6), and the filter screen (8) corresponds to the connecting ring (4).
6. An air duct coupling device according to claim 1, wherein
Citation Information
Patent Citations
Wind pipe connection
CN207112159U