Environment-friendly chimney cover with rainproof device
By designing a simplified environmentally friendly chimney cover structure and utilizing a rainproof cover and drainage hole system, the problems of complex structure and rainwater intrusion in existing environmentally friendly chimney covers are solved, achieving cost reduction and convenience in equipment maintenance.
Patent Information
- Application Number
- CN202422793029.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing environmentally friendly chimney covers have a complex structure, which increases production costs and is inconvenient for partial replacement, and cannot effectively prevent rainwater from entering the chimney.
An environmentally friendly chimney cover is designed, which includes a connecting sleeve, a drainage sleeve and a smoke exhaust sleeve. By arranging a rainproof cover, an inclined smoke collection cover and a drainage hole, rainwater can be drained and discharged, thereby preventing rainwater from entering the chimney.
It simplifies the structure, reduces production costs, facilitates local replacement, effectively prevents rainwater from entering the chimney, and extends the service life of the equipment.
Smart Images

Figure CN223345417U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of boiler environmental protection, and in particular relates to an environmentally friendly chimney cover with a rainproof device. Background Art
[0002] A chimney is a structure that provides ventilation for hot flue gases or smoke from a boiler, furnace, or fireplace. Chimneys are usually vertical, or as close to vertical as possible, to ensure a smooth flow of gases, drawing air into the chimney for combustion or the chimney effect. A chimney hood is usually located at the top end of the chimney.
[0003] For example, the Chinese patent publication number CN216203444U discloses an environmentally friendly chimney cover with a rainproof device, including a chimney pipe, a connecting shaft, a second gear and a fourth gear. The outer wall of the chimney pipe is fixedly connected to a storage plate, and a motor for driving the connecting shaft to rotate horizontally is fixedly connected above the storage plate. The outer side of the connecting shaft is fixedly connected to a first gear meshing with the second gear, the middle position of the second gear is fixedly connected to a transmission shaft, the outer side of the transmission shaft is fixedly connected to a third gear meshing with the fourth gear, the middle position of the fourth gear is fixedly connected to a rotating shaft, the outer side of the transmission shaft is movably connected to a first bracket, and the outer wall of the chimney pipe is fixedly connected to a chuck.
[0004] This environmentally friendly chimney cover with a rainproof device prevents rainwater from entering the chimney and makes it easy for users to replace damaged rain shields, thereby extending the service life of the device. However, this technical solution has a complex structure, including multiple gears, which increases production costs and requires more energy. To prevent a humid environment in the chimney, drainage should be carried out instead of closing the chimney. Utility Model Content
[0005] The purpose of the utility model is to solve the above-mentioned technical problems and provide an environmentally friendly chimney cover with a rainproof device, so as to achieve the chimney drainage effect with less structure.
[0006] In view of this, the utility model provides an environmentally friendly chimney cover with a rainproof device, including a connecting sleeve, the top of the connecting sleeve is connected to a drainage sleeve with a flush inner wall, the top of the drainage sleeve is connected to a smoke exhaust sleeve with a flush inner wall, the top of the smoke exhaust sleeve is provided with a plug, the interior of the drainage sleeve is fixedly installed with a collecting cover that is bent upward and has a gap between the top and the inner wall, the outer surface of the drainage sleeve is provided with a drainage hole that is tangent to the bottom of the collecting cover, the surface of the smoke exhaust sleeve is provided with a smoke exhaust port that passes through the smoke exhaust sleeve, smoke collecting hoods are fixedly installed on the upper and lower sides of the outer surface of the smoke exhaust sleeve, and a rainproof cover is fixedly installed on the top of the plug.
[0007] Preferably, a plug-in groove is fixedly installed on the outer surface of the drainage sleeve below the drainage hole, a plug-in ring is plugged into the interior of the plug-in groove, and a drainage ring whose inner circle contacts the drainage sleeve is fixedly installed on the top of the plug-in ring.
[0008] Preferably, the drainage ring is arranged to be tilted downward, and the edge of the drainage ring is located on the outside of the connection between the connecting sleeve and the drainage sleeve.
[0009] Preferably, the smoke collecting hood is divided into an upper half and a lower half, the upper half is located above the smoke exhaust port, and the lower half is located below the smoke exhaust port. The smoke collecting hood is tilted upward, and the length of the upper half is greater than that of the lower half.
[0010] Preferably, a support ring is fixedly mounted on the inner circle of the rainproof cover, and the support ring is placed above the upper half of the smoke hood.
[0011] Preferably, there are multiple smoke exhaust ports and drainage holes, and the multiple smoke exhaust ports and drainage holes are equidistantly distributed in a ring.
[0012] Preferably, the connection surfaces of the connecting sleeve, the drainage sleeve and the smoke exhaust sleeve are all provided with flanges, and the contacting flanges are fixedly connected.
[0013] The beneficial effects of the utility model are:
[0014] 1. The environmentally friendly chimney cover with a rainproof device is constructed by sleeve-mounting the connecting sleeve on the outer surface of the existing chimney, and connecting the drainage sleeve and the smoke exhaust sleeve in sections. Finally, the plug is installed above the smoke exhaust sleeve to complete the assembly of the device. When a sleeve with a certain function is damaged, only the corresponding part needs to be replaced, thus avoiding overall replacement, which is more economical and environmentally friendly.
[0015] 2. The environmentally friendly chimney cover with a rainproof device can drain the rainwater above outward by setting a rainproof cover to avoid it dripping directly into the smoke exhaust sleeve. It can assist in smoke exhaust by setting an upward inclined smoke collection hood. When the wind blows rainwater into the interior of the smoke exhaust sleeve, the rainwater will flow along the inner wall of the smoke exhaust sleeve to the inside of the collection hood, and the rainwater that has entered will be discharged through the drainage hole, thereby preventing rainwater from accumulating inside the chimney. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a half-section schematic diagram of the utility model;
[0018] Figure 3 This is a half-section schematic diagram of the smoke exhaust sleeve of the utility model;
[0019] Figure 4This is a half-section schematic diagram of the drainage sleeve of the utility model;
[0020] Figure 5 This is a schematic diagram of the plug connection of the utility model.
[0021] The marks in the figure are:
[0022] 1. Connecting sleeve; 2. Drain sleeve; 3. Smoke exhaust sleeve; 4. Plug; 5. Collection cover; 6. Drain hole; 7. Smoke exhaust port; 8. Smoke hood; 9. Rainproof cover; 10. Plug slot; 11. Plug ring; 12. Drain ring; 13. Support ring; 14. Flange. DETAILED DESCRIPTION
[0023] The following is combined with Figure 1-Figure 5 This application is described in further detail.
[0024] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," and "horizontal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.
[0025] An embodiment of the present application discloses an environmentally friendly chimney cover with a rainproof device, including a connecting sleeve 1, the top of the connecting sleeve 1 is connected to a drainage sleeve 2 with a flush inner wall, the top of the drainage sleeve 2 is connected to a smoke exhaust sleeve 3 with a flush inner wall, the top of the smoke exhaust sleeve 3 is provided with a plug 4, and adjacent devices are connected by welding. When replacement is required, cutting is performed at the weld, and a collecting cover 5 that is bent upward and has a gap between the top and the inner wall is fixedly installed inside the drainage sleeve 2. A drainage hole 6 that is tangent to the bottom of the collecting cover 5 is provided on the outer surface of the drainage sleeve 2, and a smoke exhaust port 7 that passes through the smoke exhaust sleeve 3 is provided on the surface of the smoke exhaust sleeve 3. Smoke collecting hoods 8 are fixedly installed on the upper and lower sides of the outer surface of the smoke exhaust sleeve 3, and a rainproof cover plate 9 is fixedly installed on the top of the plug 4.
[0026] Based on the above structure,
[0027] In one embodiment, a plug-in groove 10 is fixedly mounted on the outer surface of the drain sleeve 2 below the drain hole 6. A plug-in ring 11 is inserted into the interior of the plug-in groove 10. A drain ring 12 is fixedly mounted on the top of the plug-in ring 11, the inner ring of which contacts the drain sleeve 2. Specifically, the drain ring 12 can promptly drain rainwater from the drain hole 6 to prevent rainwater from flowing downward along the drain sleeve 2.
[0028] In this embodiment, such an arrangement can prevent rainwater from dripping along the drainage sleeve 2, thereby preventing the drainage sleeve 2 from rusting.
[0029] Based on the above structure,
[0030] In one embodiment, the drain ring 12 is arranged to be tilted downward, and the edge of the drain ring 12 is located outside the connection between the connecting sleeve 1 and the drain sleeve 2. Specifically, the drain ring 12 can extend to the outside of the connection, thereby preventing the connection from rusting.
[0031] Based on the above structure,
[0032] In one embodiment, the smoke collecting hood 8 is divided into an upper portion and a lower portion, the upper portion being located above the smoke exhaust port 7 and the lower portion being located below the smoke exhaust port 7. The smoke collecting hood 8 is tilted upward, and the length of the upper portion is greater than the length of the lower portion. The specific upward tilt of the smoke collecting hood 8 can assist in exhausting smoke while also shielding some rainwater from entering from the sides.
[0033] Based on the above structure,
[0034] In one embodiment, a support ring 13 is fixedly mounted on the inner ring of the rainproof cover 9 , and the support ring 13 is placed above the upper half of the smoke hood 8 . Specifically, the rainproof cover 9 extends to the outside of the support ring 13 .
[0035] In this embodiment, the rainproof cover plate 9 can be supported by such an arrangement.
[0036] Based on the above structure,
[0037] In one embodiment, there are multiple smoke exhaust ports 7 and drainage holes 6, and the multiple smoke exhaust ports 7 and drainage holes 6 are equidistantly distributed in a ring. Specifically, such an arrangement enables timely exhaust of smoke and air.
[0038] Based on the above structure,
[0039] In one embodiment, the connection surfaces of the connecting sleeve 1, the drainage sleeve 2, and the smoke exhaust sleeve 3 are all provided with flanges 14, and the contacting flanges 14 are fixedly connected. Specifically, the flange connection can quickly realize the disassembly between two adjacent components.
[0040] When the environmentally friendly chimney cover with a rainproof device of this embodiment is in use, the connecting sleeve 1 is sleeved on the outer surface of the existing chimney, and the drainage sleeve 2 and the smoke exhaust sleeve 3 are connected in sections. Finally, the plug 4 is installed above the smoke exhaust sleeve 3 to complete the assembly of the device. When a sleeve with a certain function is damaged, only the corresponding part needs to be replaced, thereby avoiding overall replacement, which is more economical and environmentally friendly.
[0041] During use, the rainproof cover 9 can drain the rainwater above to the outside to avoid it dripping directly into the smoke exhaust sleeve 3. By setting the smoke collection hood 8 inclined upward, smoke exhaust can be assisted. When the wind blows the rainwater into the interior of the smoke exhaust sleeve 3, the rainwater will flow along the inner wall of the smoke exhaust sleeve 3 to the inside of the collection hood 5, and the rainwater that has entered will be discharged through the drainage hole 6, thereby avoiding the accumulation of rainwater inside the chimney.
[0042] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. An environmentally friendly chimney cover with a rainproof device, comprising a connecting sleeve (1), characterized in that: The top end of the connecting sleeve (1) is connected to a drainage sleeve (2) with a flush inner wall, the top end of the drainage sleeve (2) is connected to a smoke exhaust sleeve (3) with a flush inner wall, and the top end of the smoke exhaust sleeve (3) is provided with a plug (4); A collection cover (5) that is bent upward and has a gap between its top and the inner wall is fixedly installed inside the drainage sleeve (2); a drainage hole (6) that is tangent to the bottom of the collection cover (5) is opened on the outer surface of the drainage sleeve (2); The surface of the smoke exhaust sleeve (3) is provided with a smoke exhaust port (7) penetrating the smoke exhaust sleeve (3), and smoke hoods (8) are fixedly installed on the upper and lower sides of the outer surface of the smoke exhaust sleeve (3); A rainproof cover plate (9) is fixedly mounted on the top end of the plug (4).
2. The environmentally friendly chimney cover with a rainproof device according to claim 1, characterized in that: The outer surface of the drainage sleeve (2) is fixedly provided with a plug-in groove (10) below the drainage hole (6), a plug-in ring (11) is plugged into the interior of the plug-in groove (10), and a drainage ring (12) whose inner ring contacts the drainage sleeve (2) is fixedly provided at the top end of the plug-in ring (11).
3. The environmentally friendly chimney cover with a rainproof device according to claim 2, characterized in that: The drainage ring (12) is arranged to be tilted downward, and the edge of the drainage ring (12) is located outside the connection between the connecting sleeve (1) and the drainage sleeve (2).
4. The environmentally friendly chimney cover with a rainproof device according to claim 3, characterized in that: The smoke collecting hood (8) is divided into an upper half and a lower half, the upper half is located above the smoke exhaust port (7), and the lower half is located below the smoke exhaust port (7). The smoke collecting hood (8) is arranged to be tilted upward, and the length of the upper half is greater than that of the lower half.
5. The environmentally friendly chimney cover with a rainproof device according to claim 4, characterized in that: A support ring (13) is fixedly mounted on the inner ring of the rainproof cover (9), and the support ring (13) is placed above the upper half of the smoke hood (8).
6. The environmentally friendly chimney cover with a rainproof device according to any one of claims 1 to 5, characterized in that: The number of the smoke exhaust ports (7) and drainage holes (6) is multiple, and the multiple smoke exhaust ports (7) and drainage holes (6) are all distributed in an annular manner with equal distances.
7. The environmentally friendly chimney cover with a rainproof device according to claim 6, characterized in that: The connection surfaces of the connecting sleeve (1), the drainage sleeve (2), and the smoke exhaust sleeve (3) are all provided with flanges (14), and the contacting flanges (14) are fixedly connected.
Citation Information
Patent Citations
Environment-friendly chimney cover with rainproof device
CN216203444U