Chimney with built-in guide plate
The chimney design with built-in guide plate automatically adjusts the smoke outlet direction to resist different wind directions, solves the problem of smoke backflow, and realizes convenient cleaning and maintenance.
Patent Information
- Application Number
- CN202422724505.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-08
AI Technical Summary
Existing chimneys are prone to smoke backflow in weather with extreme wind direction changes and are inconvenient to clean.
A chimney with a built-in guide plate is designed. By cooperating with a wind shield and a fixed plate, and utilizing the rotating connection of a ball groove, a ball body, a slide groove, a mounting ring and a fixed ring, the smoke outlet direction is automatically adjusted to resist different wind directions, and convenient cleaning is achieved by combining disassembly and assembly components.
It effectively avoids smoke backflow caused by wind and facilitates the cleaning and maintenance of the chimney cover.
Smart Images

Figure CN223412073U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a chimney, in particular to a chimney with a built-in guide plate, and belongs to the technical field of smoke processing equipment. Background Art
[0002] In many rural areas, boilers are still commonly used for heating and cooking in winter. However, improper chimney installation and strong winter winds can easily lead to flue gas backflow, causing carbon monoxide poisoning and seriously threatening residents' lives. Therefore, it is particularly important to take effective measures to reduce wind entering chimneys, prevent flue gas backflow, and thus reduce the risk of carbon monoxide poisoning.
[0003] A windproof chimney cap disclosed in Chinese patent publication CN208269177U can be installed at the end of a chimney pipe so that the chimney cap can block the wind in front of the chimney pipe. The setting of the opening can facilitate the discharge of smoke in the chimney pipe. The blocking portion arranged corresponding to the opening can block the wind in the upper and lower directions opposite to the opening, and a gap is left between the blocking portion and the end of the folded plate, so that wind on the left and right sides of the opening can pass through the gap, thereby blocking the wind blowing through the chimney mouth, reducing the entry of wind into the chimney pipe, and reducing the backflow of smoke.
[0004] In actual use, it was found that the chimney caps described in the aforementioned patents can effectively reduce the impact of wind from a specific direction. While installing multiple chimney caps can improve the shortcomings of a single chimney cap, backflow can still occur in weather with extreme wind direction changes. In addition, the aforementioned device is not convenient for cleaning the chimney caps. Therefore, a chimney with a built-in deflector is proposed. Utility Model Content
[0005] The utility model provides a chimney with a built-in guide plate, which can automatically adjust the smoke outlet of the chimney according to the wind direction so that it always remains consistent with the wind direction, thereby effectively avoiding the phenomenon of smoke backflow caused by wind force. At the same time, the device facilitates the cleaning of the chimney cover.
[0006] The utility model is realized through the following technical solutions: a chimney with a built-in guide plate comprises a cylinder, a windproof mechanism is arranged on the top of the cylinder, and a disassembly assembly for disassembling the windproof mechanism is arranged on the windproof mechanism.
[0007] The windproof mechanism includes a fixing ring fixed to the upper end of the cylinder, a mounting ring is threadedly connected to the fixing ring, and sliding grooves are provided on the upper and lower surfaces of the mounting ring. An L-shaped smoke outlet is sleeved on the outside of the mounting ring, and the inner side of the L-shaped smoke outlet has two convex rings. The sides of the convex rings of the two windproof mechanisms that are close to each other are provided with evenly distributed ball grooves, and all the ball grooves are provided with ball bodies that are in sliding contact with the sliding grooves. A windshield is fixed to the side of the horizontal part of the L-shaped smoke outlet, and fixing plates are fixed on both sides of the windshield. A guide plate is fixed in the L-shaped smoke outlet.
[0008] The disassembly and assembly component includes a limiting hole opened on the side of the mounting ring, and a threaded hole is opened on the side of the vertical part of the L-shaped smoke outlet pipe, and a threaded rod is threadedly connected in the threaded hole.
[0009] Specifically, the center point of the threaded hole provided on the side surface of the vertical portion of the L-shaped smoke outlet is on the same horizontal line as the center point of the limiting hole.
[0010] Specifically, a knob is fixed to one end of the threaded rod extending to the outside of the L-shaped smoke outlet, and the outer contour of the knob is cylindrical.
[0011] Furthermore, the outer diameter of the threaded rod is smaller than the inner diameter of the limiting hole.
[0012] Specifically, a sealing gasket is fixed to the upper end of the cylinder, and the outer side of the sealing gasket is in sliding contact with the inner side of the L-shaped smoke outlet.
[0013] Furthermore, a rain shield is fixed to one side of the wind shield close to the smoke outlet of the L-shaped smoke pipe, and the outer contour of the rain shield is a rectangle.
[0014] Specifically, the side surface of the guide plate is fixed to the inner wall of the L-shaped smoke outlet pipe, and the bottom of the guide plate is fixed to the top of the cylinder.
[0015] The utility model provides a chimney with a built-in guide plate, which has the following beneficial effects:
[0016] 1. The chimney with a built-in guide plate can block the wind through the cooperation of the wind shield and the fixing plate. The L-shaped smoke outlet is connected to the cylinder body through the cooperation of the ball groove, the ball body, the slide groove, the mounting ring, the fixing ring and the cylinder body. Therefore, after the wind blows onto the wind shield and the fixing plate, it will drive the L-shaped smoke outlet to rotate on the cylinder body, so that the radial direction of the wind shield is perpendicular to the wind direction. At this time, the smoke outlet direction of the L-shaped smoke outlet is consistent with the wind direction. When the wind direction changes, the L-shaped smoke outlet will continue to be driven to rotate by the wind shield and the fixing plate, so that it always remains consistent with the wind direction. The smoke outlet direction of the L-shaped smoke outlet can be automatically adjusted according to the wind direction, thereby effectively avoiding the smoke backflow caused by wind force.
[0017] 2. The chimney with a built-in guide plate can rotate the threaded rod to move the threaded rod into the limiting hole. At this time, the mounting ring and the L-shaped smoke outlet are fixed together. By rotating the L-shaped smoke outlet, the mounting ring can be driven to rotate on the fixed ring, so that the L-shaped smoke outlet can be disassembled and assembled, thereby cleaning the L-shaped smoke outlet, which is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a cross-sectional view of the internal structure of the cylinder body and L-shaped smoke outlet pipe of the present invention;
[0020] Figure 3 For the utility model Figure 2 The structure at A in the middle is enlarged;
[0021] Figure 4 It is a cross-sectional view of the installation structure of the utility model.
[0022] Description of Reference Numerals
[0023] 1. Cylinder;
[0024] 2. Windproof mechanism; 201. Fixing ring; 202. Mounting ring; 203. Slide; 204. L-shaped smoke exhaust pipe; 205. Protruding ring; 206. Ball groove; 207. Ball body; 208. Wind deflector; 209. Fixing plate;
[0025] 3. Disassembly and assembly components; 301. Limiting hole; 302. Threaded rod; 303. Knob;
[0026] 4. Sealing gasket; 5. Rain shield; 6. Deflector. DETAILED DESCRIPTION
[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0028] See also Figures 1 to 4 , an embodiment of the utility model provides a chimney with a built-in guide plate, including 1.
[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4The top of the cylinder 1 is provided with a windproof mechanism 2, which includes a fixing ring 201 fixed to the upper end of the cylinder 1, a mounting ring 202 is threadedly connected to the fixing ring 201, and a protruding portion is provided at the bottom of the fixing ring 201 to prevent the mounting ring 202 from falling. A sliding groove 203 is provided on the upper and lower surfaces of the mounting ring 202, and an L-shaped smoke outlet 204 is sleeved on the outer surface of the mounting ring 202. A sealing gasket 4 is fixed to the upper end of the cylinder 1, and the outer side of the sealing gasket 4 is in sliding contact with the inner side of the L-shaped smoke outlet 204, and a sealing gasket is provided. The sealing gasket 4 can improve the sealing effect between the cylinder body 1 and the L-shaped smoke outlet 204. The sealing gasket 4 and the L-shaped smoke outlet 204 are in sliding contact, that is, the friction between the rotating L-shaped smoke outlet 204 and the sealing gasket 4 is small, and the sealing gasket 4 will not have a large impact on the rotation of the L-shaped smoke outlet 204. The inner side of the L-shaped smoke outlet 204 has two convex rings 205. The two convex rings 205 on the L-shaped smoke outlet 204 do not contact the side of the cylinder body 1 in order to reduce the friction between the L-shaped smoke outlet 204 and the cylinder body 1.
[0030] Evenly distributed ball grooves 206 are provided on the side where the convex rings 205 of the two windproof mechanisms 2 are close to each other. All ball grooves 206 are provided with ball bodies 207 that are in sliding contact with the slide groove 203. The ball bodies 207 can rotate in the ball grooves 206. At the same time, the ball bodies 207 can move on the slide groove 203 driven by the L-shaped smoke outlet 204. A windshield plate 208 is fixed to the side of the horizontal part of the L-shaped smoke outlet 204.
[0031] A rain shield 5 is fixed to one side of the wind shield 208 close to the smoke outlet of the L-shaped smoke outlet 204. The outer contour of the rain shield 5 is rectangular. The provision of the rain shield 5 can play a rainproof effect. Fixed plates 209 are fixed on both sides of the wind shield 208. A guide plate 6 is fixed inside the L-shaped smoke outlet 204. The side of the guide plate 6 is fixed to the inner wall of the L-shaped smoke outlet 204, and the bottom of the guide plate 6 is fixed to the top of the cylinder 1. The provision of the guide plate 6 can guide the smoke at the top of the cylinder 1.
[0032] Please refer to Figure 3 The windproof mechanism 2 is provided with a disassembly and assembly component 3 for disassembling and assembling the windproof mechanism 2. The disassembly and assembly component 3 includes a limiting hole 301 opened on the side of the mounting ring 202, and a threaded hole is opened on the side of the vertical part of the L-shaped smoke outlet pipe 204. The threaded hole is threadedly connected to a threaded rod 302. The outer diameter of the threaded rod 302 is smaller than the inner diameter of the limiting hole 301. The center point of the threaded hole opened on the side of the vertical part of the L-shaped smoke outlet pipe 204 is on the same horizontal line as the center point of the limiting hole 301, so that the threaded rod 302 can be inserted into the limiting hole 301, and a knob 303 is fixed at one end of the threaded rod 302 extending to the outside of the L-shaped smoke outlet pipe 204. The outer contour of the knob 303 is cylindrical. The knob 303 is provided to facilitate the rotation of the threaded rod 302 and provide a reasonable force point.
[0033] Working principle: First, the threaded rod 302 is rotated by the knob 303 so that the threaded rod 302 is screwed into the limiting hole 301. At this time, the mounting ring 202 and the L-shaped smoke outlet 204 are fixed together by the threaded rod 302. By rotating the L-shaped smoke outlet 204, the mounting ring 202 can be driven to rotate on the fixing ring 201. After the mounting ring 202 is installed, the threaded rod 302 is screwed out of the limiting hole 301. When strong winds occur, the wind shield 208 can block the wind. After the wind hits the wind shield 208, it will flow along the side of the wind shield 208 to the circumferential side of the wind shield 208 until it is blocked by the fixing plate 209, and the L-shaped smoke outlet 204 is blocked by the ball bearing. The groove 206, the ball body 207, the slide groove 203, the mounting ring 202, and the fixing ring 201 are matched and connected to the cylinder body 1 for rotation. Therefore, after the wind blows onto the wind shield 208 and the fixing plate 209, it will drive the L-shaped smoke pipe 204 to rotate on the cylinder body 1, so that the radial direction of the wind shield 208 is perpendicular to the wind direction. At this time, the smoke outlet direction of the L-shaped smoke pipe 204 is consistent with the wind direction. When the wind direction changes, the L-shaped smoke pipe 204 will continue to be driven to rotate through the wind shield 208 and the fixing plate 209, so that it always remains consistent with the wind direction. The smoke outlet direction of the L-shaped smoke pipe 204 can be automatically adjusted according to the wind direction, thereby effectively avoiding the smoke backflow caused by wind force.
[0034] 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 illustrative of the principles of 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. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A chimney with a built-in guide plate, comprising a cylinder (1), characterized in that: A windproof mechanism (2) is provided on the top of the cylinder (1), and a disassembly assembly (3) for disassembling and assembling the windproof mechanism (2) is provided on the windproof mechanism (2); The windproof mechanism (2) comprises a fixing ring (201) fixed to the upper end of the cylinder (1); a mounting ring (202) is threadedly connected to the fixing ring (201); a sliding groove (203) is provided on the upper and lower surfaces of the mounting ring (202); an L-shaped smoke outlet (204) is sleeved on the outside of the mounting ring (202); the inner side of the L-shaped smoke outlet (204) has two convex rings (205); the two convex rings of the windproof mechanism (2) (205) are provided with evenly distributed ball grooves (206) on the sides close to each other, and all the ball grooves (206) are provided with ball bodies (207) that are in sliding contact with the slide groove (203), and a windshield (208) is fixed on the side of the horizontal part of the L-shaped smoke outlet (204), and fixed plates (209) are fixed on both sides of the windshield (208), and a guide plate (6) is fixed in the L-shaped smoke outlet (204); The disassembly assembly (3) includes a limiting hole (301) provided on the side of the mounting ring (202), and a threaded hole is provided on the side of the vertical portion of the L-shaped smoke outlet (204), wherein a threaded rod (302) is threadedly connected to the threaded hole.
2. A chimney with a built-in guide plate according to claim 1, characterized in that: The center point of the threaded hole provided on the side surface of the vertical portion of the L-shaped smoke outlet (204) and the center point of the limiting hole (301) are on the same horizontal line.
3. The chimney with a built-in guide plate according to claim 2, characterized in that: A knob (303) is fixed to one end of the threaded rod (302) extending to the outside of the L-shaped smoke outlet (204), and the outer contour of the knob (303) is cylindrical.
4. The chimney with a built-in guide plate according to claim 2, characterized in that: The outer diameter of the threaded rod (302) is smaller than the inner diameter of the limiting hole (301).
5. The chimney with a built-in guide plate according to claim 1, characterized in that: A sealing gasket (4) is fixed to the upper end of the cylinder (1), and the outer side of the sealing gasket (4) is in sliding contact with the inner side of the L-shaped smoke outlet (204).
6. The chimney with a built-in guide plate according to claim 1, characterized in that: A rain shield (5) is fixed to one side of the wind shield (208) close to the smoke outlet of the L-shaped smoke outlet (204), and the outer contour of the rain shield (5) is rectangular.
7. The chimney with a built-in guide plate according to claim 1, characterized in that: The side surface of the guide plate (6) is fixed to the inner wall of the L-shaped smoke outlet (204), and the bottom of the guide plate (6) is fixed to the top of the cylinder (1).
Citation Information
Patent Citations
Wind -proof chimney cover
CN208269177U