CN219036671U - Chimney structure capable of adjusting smoke outlet flow direction - Google Patents
Chimney structure capable of adjusting smoke outlet flow direction Download PDFInfo
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- CN219036671U CN219036671U CN202223341089.7U CN202223341089U CN219036671U CN 219036671 U CN219036671 U CN 219036671U CN 202223341089 U CN202223341089 U CN 202223341089U CN 219036671 U CN219036671 U CN 219036671U
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- pipe body
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- exhaust pipe
- smoke exhaust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model relates to the technical field of chimneys, and discloses a chimney structure capable of adjusting the flow direction of smoke. The lower end of the smoke exhaust pipe body is communicated with the upper end of the heat exchange pipe body through the butterfly valve; one end of the rotating rod passes through the inner cavity of the smoke exhaust pipe body from one side of the smoke exhaust pipe body, extends to the other side of the smoke exhaust pipe body and is rotatably connected with the smoke exhaust pipe body; the smoke direction adjusting plate is connected to the rotating rod and can synchronously rotate along with the rotating rod to adjust the smoke outlet flow direction; the rotation limiting device is arranged on one side of the smoke exhaust pipe body and used for propping up the rotating rod to limit the rotating rod to rotate. The chimney structure capable of adjusting the flow direction of the smoke provided by the utility model effectively balances the pressure in the furnace chamber so as to achieve a good furnace body combustion state, achieve the effect of adjusting the outflow direction of the smoke, optimize the outflow direction of the smoke and reduce the pollution to the surrounding environment.
Description
Technical Field
The utility model relates to the technical field of chimneys, in particular to a chimney structure capable of adjusting the flow direction of smoke.
Background
The chimney has the main functions of pulling out fire and smoke, discharging smoke and improving combustion conditions.
Chinese patent No. CN207975666U discloses a chimney expansion compensator for chimney pipe body, the chimney expansion compensator includes: the inner shell ring is arranged in the chimney pipe body, the diameter of the inner shell ring at the smoke outlet, namely, the top surface of the inner shell ring is larger than the diameter of the chimney pipe body, the groove body is arranged at the periphery of the inner shell ring, an elastic compensation device is accommodated in the groove body, and the elastic compensation device is limited between the inner shell ring and the chimney pipe body. However, the chimney expansion compensator cannot adjust the flow direction of the discharged smoke, and is easy to pollute the surrounding environment.
Disclosure of Invention
The utility model aims to overcome the problems in the prior art and provides a chimney structure capable of adjusting the flow direction of smoke.
In order to achieve the above purpose, the present utility model adopts the following scheme:
the utility model provides a chimney structure of adjustable play cigarette flow direction, includes the exhaust pipe body, still includes:
a heat exchange tube body and a butterfly valve; the lower end of the smoke exhaust pipe body is communicated with the upper end of the heat exchange pipe body through the butterfly valve;
one end of the rotating rod penetrates through the inner cavity of the smoke exhaust pipe body from one side of the smoke exhaust pipe body, extends to the other side of the smoke exhaust pipe body and is rotatably connected with the smoke exhaust pipe body;
the smoke direction adjusting plate is connected to the rotating rod and can synchronously rotate along with the rotating rod to adjust the smoke outlet flow direction;
and the rotation limiting device is arranged on one side of the smoke exhaust pipe body and is used for propping up the rotating rod so as to limit the rotating of the rotating rod.
Further, the rotation limiting device comprises a first nut, a second nut, a third nut, a bolt and a fan-shaped ejector rod plate; the first nut, the second nut and the third nut can be in matched threaded connection with the bolt; the first nut is fixed in one side of the smoke exhaust pipe body; the bolt sequentially passes through the third nut, one end of the ejector rod plate, the second nut and one side of the smoke exhaust pipe body to be in threaded connection with the first nut so as to fix the fan-shaped ejector rod plate on the smoke exhaust pipe body; the other end of the fan-shaped ejector rod plate is provided with an arc edge;
when the third nut is unscrewed, the fan-shaped ejector rod plate can rotate around the bolt; the arc edge of the other end of the fan-shaped ejector rod plate can tightly prop against the rotating rod so as to limit the rotating of the rotating rod.
Further, a plate body limiting groove which can be used for the circular arc edge of the other end of the fan-shaped ejector rod plate to be embedded in a matching mode is formed in the position, corresponding to the fan-shaped ejector rod plate, of the rotating rod.
Further, the rotating rod is an L-shaped cylindrical rod; the diameter of the rotating rod is 10-15mm.
Further, the rotating rod is bent by a stainless steel rod to form an L shape; the rotating rod comprises a transverse rod body and a vertical rod body; one end of the transverse rod body penetrates through the inner cavity of the smoke exhaust pipe body from one side of the smoke exhaust pipe body, extends to the other side of the smoke exhaust pipe body and is rotatably connected with the smoke exhaust pipe body; one end of the vertical rod body is vertically connected with the other end of the horizontal rod body and can synchronously rotate along with the horizontal rod body.
Further, the central axis of the cross rod body intersects through the central axis of the smoke exhaust pipe body.
Further, the smoke exhaust pipe body is a cylindrical pipe; the length of the smoke direction regulating plate is 0.8-0.9 times of the inner diameter of the smoke discharging pipe body; the inner diameter of the smoke exhaust pipe body is 165-170mm.
Further, a water blocking pipe body is embedded in the lower end of the smoke exhaust pipe body; a water collecting tank is formed between the inner wall of the lower end of the smoke exhaust pipe body and the water retaining pipe body; a drain pipe communicated with the water collecting tank is arranged at the lower end of the smoke exhaust pipe body; the outer wall of the drain pipe is sleeved with a rubber protective sleeve.
Further, the water blocking pipe body comprises a circular ring and a circular pipe; the circular ring is embedded in the lower end of the smoke exhaust pipe body in a matched manner; the circular tube is connected to the top surface of the circular ring; the outer diameter of the circular tube is smaller than the inner diameter of the lower end of the smoke exhaust tube; the water collecting tank is formed by the inner wall of the lower end of the smoke exhaust pipe body, the circular ring and the outer wall of the circular pipe in a surrounding mode.
Further, the smoke exhaust pipe body comprises an inner pipe and a flame-retardant heat-insulating cotton pipe; the inner pipe is sleeved in the flame-retardant heat-insulating cotton pipe in a matched manner; the thickness of the flame-retardant heat-insulating cotton pipe is 20-25mm.
Compared with the prior art, the utility model has the following advantages:
1. the lower end of the smoke exhaust pipe body is communicated with the upper end of the heat exchange pipe body by adopting the butterfly valve, when the internal pressure of the furnace chamber correspondingly communicated with the heat exchange pipe body is too high, the butterfly valve is properly opened to discharge smoke, and when the internal pressure of the furnace chamber is too low, the butterfly valve is properly closed, so that the pressure in the furnace chamber is effectively balanced, and a good furnace body combustion state is achieved.
2. According to the utility model, the rotating rod, the smoke direction adjusting plate and the rotation limiting device are arranged on the smoke exhaust pipe body, the smoke direction adjusting plate rotates along with the rotating rod by adjusting the rotation of the rotating rod, so that the angle of the smoke direction adjusting plate is changed, after the angle of the smoke direction adjusting plate is adjusted, the rotating rod is tightly propped by the rotation limiting device to limit the rotation of the rotating rod, so that the effect of adjusting the outflow direction of smoke is achieved, the outflow direction of the smoke is optimized, and the pollution to the surrounding environment is reduced.
Drawings
The present application is described in further detail below with reference to the drawings and detailed description.
FIG. 1 is a schematic cross-sectional view of the flow direction adjustable chimney structure of the present utility model.
The drawings include:
the smoke exhaust pipe body 1, the inner pipe 11, the flame-retardant heat-insulating cotton pipe 12, the rotating rod 2, the transverse rod body 21, the plate body limiting groove 211, the vertical rod body 22, the smoke direction adjusting plate 3, the rotation limiting device 4, the first nut 41, the second nut 42, the third nut 43, the bolt 44, the fan-shaped ejector rod plate 45, the heat exchange pipe body 5, the butterfly valve 6, the water blocking pipe body 7, the circular ring 71, the circular pipe 72, the water collecting groove 8 and the drain pipe 9.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, the chimney structure capable of adjusting the flow direction of the discharged smoke comprises a smoke discharging pipe body 1, a rotating rod 2, a smoke direction adjusting plate 3, a rotation limiting device 4, a heat exchange pipe body 5 and a butterfly valve 6. The lower end of the smoke exhaust pipe body 1 is communicated with the upper end of the heat exchange pipe body 5 through the butterfly valve 6; the heat exchange tube body 5 is communicated with the furnace chamber. One end of the rotating rod 2 passes through the inner cavity of the smoke exhaust pipe body 1 from one side of the smoke exhaust pipe body 1, extends to the other side of the smoke exhaust pipe body 1 and is rotatably connected with the smoke exhaust pipe body 1; the smoke direction adjusting plate 3 is connected to the rotating rod 2 and can synchronously rotate along with the rotating rod 2 to adjust the smoke outlet flow direction; the rotation limiting device 4 is arranged at one side of the smoke exhaust pipe body 1 and is used for propping up the rotating rod 2 so as to limit the rotating of the rotating rod 2. Preferably, the rotating rod 2, the smoke direction adjusting plate 3 and the rotation limiting means 4 are provided on the upper end of the smoke discharging pipe body 1.
The lower end of the smoke exhaust pipe body 1 is communicated with the upper end of the heat exchange pipe body 5 by adopting the butterfly valve 6, when the internal pressure of the furnace chamber correspondingly communicated with the heat exchange pipe body 5 is too high, the butterfly valve 6 is properly opened to exhaust smoke, and when the internal pressure of the furnace chamber is too low, the butterfly valve 6 is properly closed to effectively balance the pressure in the furnace chamber so as to achieve a good furnace body combustion state. Simultaneously, set up dwang 2, cigarette to regulating plate 3 and rotation restriction device 4 on discharging fume body 1, rotate through adjusting dwang 2 to make cigarette to regulating plate 3 rotate along with dwang 2, and then change the angle of cigarette to regulating plate 3, after adjusting the angle of cigarette to regulating plate 3, reuse rotation restriction device 4 jack-up dwang 2 in order to restrict dwang 2 rotation, thereby reach the effect of adjustable flue gas's outflow direction, optimize the outflow direction of flue gas, reduced the pollution to surrounding environment.
In the present embodiment, the rotation limiting means 4 includes a first nut 41, a second nut 42, a third nut 43, a bolt 44, and a fan-shaped ejector plate 45; the first nut 41, the second nut 42 and the third nut 43 can be in matched threaded connection with the bolt 44; a first nut 41 is fixed in one side of the smoke exhaust pipe 1; the bolt 44 sequentially passes through the third nut 43, one end of the ejector rod plate, the second nut 42 and one side of the smoke exhaust pipe body 1 to be in threaded connection with the first nut 41 so as to fix the fan-shaped ejector rod plate 45 on the smoke exhaust pipe body 1; specifically, one end of the ejector pin plate is provided with a first mounting hole with a hole diameter larger than the diameter of the rod body of the bolt 44; one side of the smoke exhaust pipe body 1 is provided with a second mounting hole through which the bolt 44 can pass, so that the effect that the ejector rod plate can rotate around the bolt 44 is achieved; the second nut 42 is abutted against one side of the smoke exhaust pipe body 1; the bolt 44 sequentially passes through the third nut 43, the first mounting hole, the second nut 42 and the second mounting hole and is in threaded connection with the first nut 41 so as to fix the fan-shaped ejector rod plate 45 on the smoke exhaust pipe body 1. The other end of the fan-shaped ejector rod plate 45 is provided with an arc edge and is arc-shaped, and after the fan-shaped ejector rod plate 45 is swung, the contact position of the arc edge and the rotating rod 2 is changed, so that the fan-shaped ejector rod plate is beneficial; when the third nut 43 is unscrewed, the fan-shaped ejector plate 45 is rotatable about the bolt 44; the arc edge of the other end of the fan-shaped ejector rod plate 45 can tightly press the rotating rod 2 so as to limit the rotating rod 2 to rotate. When the angle of the smoke direction adjusting plate 3 needs to be adjusted, the third nut 43 is unscrewed, the fan-shaped ejector rod plate 45 is adjusted to swing, the rotating rod 2 is far away from the rotating rod 2, the rotating rod 2 is adjusted to rotate to adjust the angle of the smoke direction adjusting plate 3, after the angle of the smoke direction adjusting plate 3 is adjusted, the fan-shaped ejector rod plate 45 is adjusted to swing, the rotating rod 2 is tightly propped against the edge of the arc of the other end of the fan-shaped ejector rod plate 45 to limit the rotating rod 2 to rotate, at the moment, the effect of fixing the angle of the smoke direction adjusting plate 3 is achieved, then the third nut 43 is screwed, the fan-shaped ejector rod plate 45 is fixed, the effect of adjusting the outflow direction of smoke is achieved, the outflow direction of the smoke is optimized, and pollution to the surrounding environment is reduced. In another embodiment, the first nut 41, the second nut 42, the third nut 43 and the bolt 44 are replaced by motors, so that the motors and the fan-shaped ejector rod plates 45 form the rotation limiting device 4, an output shaft of each motor is connected with one end of each fan-shaped ejector rod plate 45, the fan-shaped ejector rod plates 45 are adjusted to swing by the motors, the arc edge of the other end of each fan-shaped ejector rod plate 45 is tightly propped against the rotating rod 2 to limit the rotating rod 2 to rotate, and the device is automatic in operation, simple and convenient to operate and efficient in changing the efficiency of the smoke direction adjusting plate 3.
Preferably, the rotating rod 2 is provided with a plate body limiting groove 211 corresponding to the fan-shaped ejector rod plate 45, and the plate body limiting groove 211 can be used for adapting and embedding the arc edge of the other end of the fan-shaped ejector rod plate 45. By providing the plate body limiting groove 211, the fan-shaped ejector rod plate 45 can be limited, and the rotating rod 2 can be better propped up to limit the rotation of the rotating rod 2.
In this embodiment, the rotating rod 2 is an L-shaped cylindrical rod; the diameter of the rotating rod 2 is 10-15mm, preferably 10mm. Specifically, the rotating rod 2 is bent by a stainless steel rod to form an L shape; the rotating rod 2 comprises a transverse rod body 21 and a vertical rod body 22; one end of the transverse rod body 21 passes through the inner cavity of the smoke exhaust pipe body 1 from one side of the smoke exhaust pipe body 1, extends to the other side of the smoke exhaust pipe body 1 and is rotatably connected with the smoke exhaust pipe body 1; a plate body limiting groove 211 is provided on the other end of the cross bar body 21. One end of the vertical rod body 22 is vertically connected with the other end of the horizontal rod body 21 and can synchronously rotate along with the horizontal rod body 21, so that the whole structure of the rotating rod 2 is simple and the rotation is more convenient.
Preferably, the central axis of the cross rod body 21 intersects through the central axis of the smoke exhaust pipe 1. Through setting up the body of rod 21 like this, make the body of rod 21 transversely establish through the inner chamber central point who discharges fume body 1 put, and then make the cigarette to adjusting plate 3 install in the inner chamber central point who discharges fume body 1 put, according to the demand, the specification setting of cigarette to adjusting plate 3 is wider, and it is better to adjust the outflow direction of flue gas.
In order to better regulate the outflow of the discharged smoke, the smoke exhaust pipe body 1 is a cylindrical pipe; the length of the smoke direction regulating plate 3 is 0.8-0.9 times of the inner diameter of the smoke discharging pipe body 1. Wherein the inner diameter of the smoke exhaust pipe body 1 is 165-170mm, preferably 168mm.
A water blocking pipe body 7 is embedded in the lower end of the smoke exhaust pipe body 1; a water collecting tank 8 is formed between the inner wall of the lower end of the smoke exhaust pipe body 1 and the water retaining pipe body 7; the lower end of the smoke exhaust pipe body 1 is provided with a drain pipe 9 communicated with the water collecting tank 8. When the smoke flows out from the upper end of the smoke exhaust pipe body 1, water vapor in the smoke encounters cold air, and is condensed to form accumulated water, and flows out from the upper end of the smoke exhaust pipe body 1 until flowing into the water collecting tank 8 for collection, and can be discharged from the water discharging pipe 9, and the water retaining pipe body 7 can effectively prevent the accumulated water from flowing into the furnace body. Specifically, the water blocking pipe body 7 comprises a circular ring 71 and a circular pipe 72; the circular ring 71 is embedded in the lower end of the smoke exhaust pipe body 1 in a matching way; the circular tube 72 is connected to the top surface of the circular ring 71; the outer diameter of the circular tube 72 is smaller than the inner diameter of the lower end of the smoke exhaust tube 1; the water collecting tank 8 is surrounded by the inner wall of the lower end of the smoke exhaust pipe body 1, the circular ring 71 and the outer wall of the circular pipe 72.
Preferably, the outer wall of the drain pipe 9 is covered with a rubber protective sleeve, which has good protection effect on the drain pipe.
In this embodiment, the smoke exhaust pipe 1 includes an inner pipe 11 and a flame-retardant heat-insulating cotton pipe 12; the inner pipe 11 is matched and sleeved in the flame-retardant heat-insulating cotton pipe 12. By additionally arranging the flame-retardant heat-insulating cotton pipe 12 on the outer side of the inner pipe 11, the smoke exhaust pipe 1 can achieve flame-retardant and heat-insulating effects, and the outer surface of the smoke exhaust pipe 1 is prevented from being excessively scalded. The thickness of the flame-retardant and heat-insulating cotton pipe 12 is 20-25mm, preferably 20mm. In the thickness range, the flame retardance and heat insulation effects are optimal, and the cost is reasonable.
In summary, the embodiment of the utility model provides a chimney structure capable of adjusting the flow direction of smoke, wherein a butterfly valve 6 is adopted to communicate between the lower end of a smoke exhaust pipe body 1 and the upper end of a heat exchange pipe body 5, when the internal pressure of a furnace chamber correspondingly communicated with the heat exchange pipe body 5 is too high, the butterfly valve 6 is properly opened to discharge smoke, when the internal pressure of the furnace chamber is too low, the butterfly valve 6 is properly closed, and the pressure in the furnace chamber is effectively balanced, so that a good furnace body combustion state is achieved. Simultaneously, set up dwang 2, cigarette to regulating plate 3 and rotation restriction device 4 on discharging fume body 1, rotate through adjusting dwang 2 to make cigarette to regulating plate 3 rotate along with dwang 2, and then change the angle of cigarette to regulating plate 3, after adjusting the angle of cigarette to regulating plate 3, reuse rotation restriction device 4 jack-up dwang 2 in order to restrict dwang 2 rotation, thereby reach the effect of adjustable flue gas's outflow direction, optimize the outflow direction of flue gas, reduced the pollution to surrounding environment.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered as being within the scope of the present application.
Claims (10)
1. The utility model provides a chimney structure of adjustable play cigarette flow direction, includes the exhaust pipe body, its characterized in that still includes:
a heat exchange tube body and a butterfly valve; the lower end of the smoke exhaust pipe body is communicated with the upper end of the heat exchange pipe body through the butterfly valve;
one end of the rotating rod penetrates through the inner cavity of the smoke exhaust pipe body from one side of the smoke exhaust pipe body, extends to the other side of the smoke exhaust pipe body and is rotatably connected with the smoke exhaust pipe body;
the smoke direction adjusting plate is connected to the rotating rod and can synchronously rotate along with the rotating rod to adjust the smoke outlet flow direction;
and the rotation limiting device is arranged on one side of the smoke exhaust pipe body and is used for propping up the rotating rod so as to limit the rotating of the rotating rod.
2. The chimney structure of claim 1, wherein the rotation limiting means comprises a first nut, a second nut, a third nut, a bolt, and a fan-shaped ejector plate; the first nut, the second nut and the third nut can be in matched threaded connection with the bolt; the first nut is fixed in one side of the smoke exhaust pipe body; the bolt sequentially passes through the third nut, one end of the ejector rod plate, the second nut and one side of the smoke exhaust pipe body to be in threaded connection with the first nut so as to fix the fan-shaped ejector rod plate on the smoke exhaust pipe body; the other end of the fan-shaped ejector rod plate is provided with an arc edge;
when the third nut is unscrewed, the fan-shaped ejector rod plate can rotate around the bolt; the arc edge of the other end of the fan-shaped ejector rod plate can tightly prop against the rotating rod so as to limit the rotating of the rotating rod.
3. The chimney structure capable of adjusting the flow direction of smoke according to claim 2, wherein a plate body limiting groove which can be used for being embedded in a circular arc edge phase fit manner at the other end of the fan-shaped ejector plate is arranged at the position of the rotating rod corresponding to the fan-shaped ejector plate.
4. The chimney structure capable of adjusting smoke outlet flow direction according to claim 1, wherein the rotating rod is an L-shaped cylindrical rod; the diameter of the rotating rod is 10-15mm.
5. The chimney structure of claim 4, wherein the rotating rod is bent by a stainless steel rod to form an L shape; the rotating rod comprises a transverse rod body and a vertical rod body; one end of the transverse rod body penetrates through the inner cavity of the smoke exhaust pipe body from one side of the smoke exhaust pipe body, extends to the other side of the smoke exhaust pipe body and is rotatably connected with the smoke exhaust pipe body; one end of the vertical rod body is vertically connected with the other end of the horizontal rod body and can synchronously rotate along with the horizontal rod body.
6. The chimney structure of claim 5, wherein the central axis of the cross-bar body intersects through the central axis of the smoke evacuation tube.
7. The chimney structure capable of adjusting smoke outlet flow direction according to claim 1, wherein the smoke outlet pipe is a cylindrical pipe; the length of the smoke direction regulating plate is 0.8-0.9 times of the inner diameter of the smoke discharging pipe body; the inner diameter of the smoke exhaust pipe body is 165-170mm.
8. The chimney structure capable of adjusting the flow direction of smoke according to claim 7, wherein a water blocking pipe body is embedded in the lower end of the smoke exhaust pipe body; a water collecting tank is formed between the inner wall of the lower end of the smoke exhaust pipe body and the water retaining pipe body; the lower end of the smoke exhaust pipe body is provided with a drain pipe communicated with the water collecting tank.
9. The chimney structure capable of adjusting the flow direction of smoke according to claim 8, wherein the water blocking pipe body comprises a circular ring and a circular pipe; the circular ring is embedded in the lower end of the smoke exhaust pipe body in a matched manner; the circular tube is connected to the top surface of the circular ring; the outer diameter of the circular tube is smaller than the inner diameter of the lower end of the smoke exhaust tube; the water collecting tank is formed by the inner wall of the lower end of the smoke exhaust pipe body, the circular ring and the outer wall of the circular pipe in a surrounding mode.
10. The chimney structure capable of adjusting smoke outlet flow direction according to claim 1, wherein the smoke outlet pipe comprises an inner pipe and a flame-retardant heat-insulating cotton pipe; the inner pipe is sleeved in the flame-retardant heat-insulating cotton pipe in a matched manner; the thickness of the flame-retardant heat-insulating cotton pipe is 20-25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223341089.7U CN219036671U (en) | 2022-12-12 | 2022-12-12 | Chimney structure capable of adjusting smoke outlet flow direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223341089.7U CN219036671U (en) | 2022-12-12 | 2022-12-12 | Chimney structure capable of adjusting smoke outlet flow direction |
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| Publication Number | Publication Date |
|---|---|
| CN219036671U true CN219036671U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223341089.7U Active CN219036671U (en) | 2022-12-12 | 2022-12-12 | Chimney structure capable of adjusting smoke outlet flow direction |
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| Country | Link |
|---|---|
| CN (1) | CN219036671U (en) |
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- 2022-12-12 CN CN202223341089.7U patent/CN219036671U/en active Active
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