CN111197760B - Anti-downdraft smoke pipe - Google Patents
Anti-downdraft smoke pipe Download PDFInfo
- Publication number
- CN111197760B CN111197760B CN201811382021.9A CN201811382021A CN111197760B CN 111197760 B CN111197760 B CN 111197760B CN 201811382021 A CN201811382021 A CN 201811382021A CN 111197760 B CN111197760 B CN 111197760B
- Authority
- CN
- China
- Prior art keywords
- wind
- smoke
- ratchet
- driven
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000779 smoke Substances 0.000 title claims abstract description 83
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 241000208125 Nicotiana Species 0.000 description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 5
- 239000011324 bead Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/001—Details arrangements for discharging combustion gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
Abstract
A down-draft prevention smoke tube comprises a smoke tube body, a shell, a ratchet wheel, a wind pendulum, a rotating shaft, a driven fan, a driving center and a driven center, wherein the shell is arranged at the front end of the smoke tube body and covers the front end opening of the smoke tube body; the ratchet wheel is rotatably arranged in the shell, the outer ring of the ratchet wheel is provided with ratchet teeth, and the inner side of the ratchet wheel is provided with a gear ring; the wind pendulum is arranged on the shell in a back-and-forth swinging manner, the tail end of the wind pendulum is provided with a driving center which is matched with the ratchet to drive the ratchet to rotate, and the front end of the rotating shaft is provided with an accelerating gear which is in meshing transmission with the gear ring; the driven centre is matched with the ratchet to limit the reverse rotation of the ratchet; the side wall of the smoke pipe body is provided with a smoke exhaust hole which can receive smoke discharged by the wind wheel in the radial direction. After the wind pendulum is subjected to wind, force is transmitted to the ratchet wheel through the matching of the driving center and the driven center, the ratchet wheel rotates in a single direction and is transmitted to the driven fan through the accelerating gear, and the driven fan discharges smoke through the smoke discharge hole, so that the purposes of wind pressure resistance and wind backflow prevention are achieved.
Description
Technical Field
The invention relates to a smoke exhaust pipe, in particular to a smoke exhaust pipe applied to a gas water heater, a dual-purpose furnace or a range hood.
Background
In the process of daily use of products such as a water heater or a range hood, once the products meet strong wind weather, the exhaust of smoke is greatly influenced, and the water heater can even be flamed out, so that the use and safety of a user are seriously influenced, and the following problems are specifically caused:
1. when the wind pressure is too big, the flue gas can not normally be discharged, influences the gas burning, reduce efficiency.
2. The wind flows back into the water heater, which can cause dangerous situations such as backfire, flameout, and CO exceeding standard.
In the aspect of preventing downdraft, many efforts and attempts have been made in the prior art, and see a Chinese utility model patent with patent number ZL200520062934.4, a double downdraft prevention smoke exhaust pipe (with the granted publication number CN 2856837Y); the upper and lower layers of the anti-downdraft pieces realize double anti-downdraft effects; see also chinese utility model patent No. ZL201220107068.6 "wind pressure resistant tobacco pipe of forced-ventilated gas water heater" (No. CN202547088U), this patent adopts smoke guide plate, deep bead, smoke guide plate is a cylindrical body with big end down, smoke guide plate lower extreme is equipped with smoke guide inlet, smoke guide plate upper end is equipped with smoke guide outlet, smoke guide plate is installed in the tobacco pipe and is close to smoke outlet, deep bead is the annular plate that is equipped with the exhaust hole, the projection of exhaust hole in deep bead central line direction is located the periphery of smoke guide outlet of smoke guide plate, the deep bead is installed in smoke outlet of tobacco pipe, the region of tobacco pipe between smoke guide plate and deep bead is equipped with the structure of exhaust hole, can in time discharge after having irritated backward wind entering tobacco pipe, do not cause the influence to normally discharging fume, so it can guarantee the normal work of forced-ventilated gas water heater host computer effectively when low load burning condition and outdoor wind is great.
Disclosure of Invention
The invention aims to solve the technical problem of additionally providing a down-draft-proof smoke exhaust pipe aiming at the technical current situation.
The invention provides a down-draft prevention smoke exhaust pipe which utilizes external wind power to assist in smoke exhaust.
The technical scheme adopted by the invention for solving the technical problems is as follows: a down-draft-proof smoke tube comprises a smoke tube body and is characterized by also comprising
The shell is arranged at the front end of the smoke tube body and covers the front port of the smoke tube body;
a ratchet wheel rotatably arranged in the shell, wherein the outer ring of the ratchet wheel is provided with ratchet teeth and the inner side of the ratchet wheel is provided with a gear ring;
the wind pendulum is arranged on the shell in a back-and-forth swinging manner, the tail end of the wind pendulum is provided with a driving center which is matched with the ratchet to drive the ratchet to rotate, and two sides of the driving center are respectively provided with a first compression spring and a second compression spring;
a rotating shaft which is axially arranged on the shell and can rotate, and the front end of the rotating shaft is provided with an accelerating gear which is in meshing transmission with the gear ring);
the driving bevel gear is positioned in the smoke tube body and is connected with the rear end of the rotating shaft;
the driven bevel gear can be rotatably arranged in the smoke tube body and is in meshing transmission with the driving bevel gear;
a driven fan coaxially connected to the driven bevel gear; and
the driven centre is elastically arranged in the shell and is matched with the ratchet to limit the reverse rotation of the ratchet;
the side wall of the smoke pipe body is provided with a smoke exhaust hole which can receive smoke discharged radially from the driven fan.
Furthermore, a bracket is arranged on one side of the shell, and the driven fan can be rotatably arranged on the bracket.
Preferably, the bracket comprises a cylinder and a cone, the outer end of the cone forms an airflow guide surface, the cone is connected to the rear end of the cylinder, the driven fan can be rotatably arranged on the outer side of the cylinder, and correspondingly, the driven bevel gear is positioned in the cylinder. The cone can play the water conservancy diversion effect, and it is more smooth and easy to discharge fume.
The driven fans are arranged up and down, correspondingly, the driven bevel gears corresponding to the two driven fans are respectively in meshing transmission with the driving bevel gear, and correspondingly, the smoke exhaust holes are multiple and are annularly formed in the side wall of the smoke pipe body.
Preferably, the housing includes a bottom plate and a cylindrical enclosure wall extending outward from the bottom plate in the axial direction, the bottom plate is disposed on the front end of the smoke tube body, and has a shaft hole in the middle for the rotating shaft to pass through, the bottom plate is provided with a fulcrum shaft rotatably connected with the wind pendulum and a rotating shaft connected with the accelerating gear, and the top end of the enclosure wall is provided with an arc-shaped guide hole for the wind pendulum to move back and forth.
Further, an arc-shaped guide rail is arranged on the inner side of the enclosing wall close to the guide hole, and correspondingly, the wind pendulum is provided with a guide hole matched with the arc-shaped guide rail in a guiding mode.
Furthermore, the first compression spring and the second compression spring are both sleeved on the arc-shaped guide rail and abut against the wind pendulum.
The arrangement of the driven center is preferably as follows: the inner side of the surrounding wall is provided with a spring seat, a return spring is arranged in the spring seat, and the driven tip is arranged in the spring seat and is abutted against the return spring.
The wind pendulum comprises a first wind receiving part, a second wind receiving part and a swing rod connected with the first wind receiving part and the second wind receiving part, the first wind receiving part and the second wind receiving part are both positioned at the outer end of the shell, the first wind receiving part and the second wind receiving part are both provided with bowl-shaped wind receiving surfaces with opposite wind directions, the swing rod penetrates through the guide hole, and the driving tip is arranged at the bottom end of the swing rod.
Compared with the prior art, the invention has the advantages that: after the wind is blown, force is transmitted to the ratchet wheel through the matching of the driving center and the driven center, the ratchet wheel rotates in a single direction and is transmitted to the driven fan through the accelerating gear, the driven fan discharges smoke through the smoke discharge hole, the purposes of wind pressure resistance and anti-downdraft are achieved, and the effect is enhanced along with the enhancement of external wind power
Drawings
FIG. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a schematic view of another structure of the embodiment.
Fig. 3 is an exploded view of the embodiment.
FIG. 4 is a sectional view of the embodiment.
FIG. 5 is an initial state diagram of the embodiment.
FIG. 6 is a state diagram after the embodiment receives wind.
FIG. 7 is a view showing a state after the ratchet of the embodiment rotates.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the smoke tube body 1 of the anti-downdraft smoke tube in the present embodiment, a housing 3, a ratchet 6, a wind pendulum 4, a rotating shaft 5, a driving bevel gear 21, a driven bevel gear 22, a driven fan 23, a driving center 44, and a driven center 7. The side wall of the smoke tube body 1 is provided with a smoke vent 11, and the smoke vent 11 can receive smoke discharged radially from the driven fan 23.
The shell 3 is arranged at the front end of the smoke tube body 1 and covers the front end opening of the smoke tube body 1; a ratchet 6 is rotatably provided in the housing 3, and the ratchet 6 has ratchet teeth 61 on the outer ring and a ring gear 62 on the inner side.
The wind pendulum 4 is arranged on the shell 3 in a swinging manner, the tail end of the wind pendulum is provided with a driving centre 44 which is matched with the ratchet 61 to drive the ratchet 6 to rotate, and the two sides of the driving centre 44 are respectively provided with a first compression spring 38 and a second compression spring 39.
The rotating shaft 5 is axially arranged on the shell 3 and can rotate, and the front end of the rotating shaft is provided with an accelerating gear 51 which is in meshing transmission with the gear ring 62; the driving bevel gear 21 is positioned in the smoke tube body 1 and is connected with the rear end of the rotating shaft 5; the driven bevel gear 22 is rotatably arranged in the smoke tube body 1 and is in meshing transmission with the driving bevel gear 21; the driven fan 23 is coaxially connected to the driven bevel gear 22.
The driven centre 7 is resiliently located within the housing 3 and cooperates with the ratchet teeth 61 to restrict reverse rotation of the ratchet 6.
The housing 3 includes a bottom plate 31 and a cylindrical surrounding wall 32 extending outward from the bottom plate 31 in the axial direction, the bottom plate 31 is disposed on the front end of the smoke tube body 1 and has a shaft hole 33 in the middle for the rotation shaft 5 to pass through, the bottom plate 31 is provided with a fulcrum shaft 35 connected with the wind pendulum 4 in a rotating manner and a rotation shaft 36 connected with the accelerating gear 51, and the top end of the surrounding wall 32 is provided with an arc-shaped guide hole 34 for the wind pendulum 4 to move back and forth.
The inner side of the surrounding wall 32 is provided with an arc-shaped guide rail 37 adjacent to the guide hole 34, and correspondingly, the wind pendulum 4 is provided with a guide hole 34 which is matched with the arc-shaped guide rail 37 in a guiding way.
The first compression spring 38 and the second compression spring 39 are both sleeved on the arc-shaped guide rail 37 and are abutted against the wind pendulum 4. A spring seat 71 is provided inside the surrounding wall 32, a return spring 72 is provided in the spring seat 71, and the driven center 7 is provided in the spring seat 71 and abuts against the return spring 72.
The wind pendulum 4 comprises a first wind receiving part 41, a second wind receiving part 42 and a swing rod 43 connected with the first wind receiving part 41 and the second wind receiving part 42, the first wind receiving part 41 and the second wind receiving part 42 are both positioned at the outer end of the shell 3, the first wind receiving part 41 and the second wind receiving part 42 are both provided with bowl-shaped wind receiving surfaces with opposite wind directions, the swing rod 43 penetrates through the guide hole 34, and the driving center 44 is arranged at the bottom end of the swing rod 43.
A bracket 4a is provided on the bottom plate 31 side of the housing 3, and the driven fan 23 is rotatably provided on the bracket 4 a. The bracket 4a includes a cylinder 42a and a cone 41a whose outer end forms an airflow guiding surface, the cone 41a is connected to the rear end of the cylinder 42a, the driven fan 5a is rotatably disposed outside the cylinder 42a, and correspondingly, the driving bevel gear 21 and the driven bevel gear 22 are disposed in the cylinder 42 a. An end cap (not shown) may be provided at the end of the wall 32 to protect the ratchet 6 and the accelerator gear 51 from external influences.
The driven fans 23 are arranged up and down, correspondingly, the driven bevel gears 22 corresponding to the two driven fans 23 are respectively in meshing transmission with the driving bevel gear 21, correspondingly, the smoke discharge holes 11 are a plurality and are annularly opened on the side wall of the smoke tube body 1.
In the natural environment, the wind in the vertical direction is rare, the influence of the wind in the front-back direction on the smoke pipe is small, and the wind in the left-right direction is directly blown into the smoke hole, so that the smoke exhaust effect is greatly influenced.
Referring to fig. 5 to 7, when the side wind blows, the wind pendulum 4 rotates around the swing rod, meanwhile, the first compression spring 38 on the guide rail 37 is squeezed, the second compression spring 39 is stretched, the driving center 44 stirs the flat end surface of the ratchet 61 to rotate the ratchet 6, meanwhile, the gear ring 61 is driven, the inclined end surface of the ratchet 61 pushes the driven center 7 to compress the return spring 72, and the driven center 72 is reset under the action of the return spring 72 after rotating one ratchet; after the wind pendulum 4 moves rightwards to the maximum distance, the wind pendulum is reset leftwards under the action of the first compression spring 38 and the second compression spring 39, the ratchet 6 cannot rotate reversely because the driven tip 7 is abutted against the flat end face of the ratchet 61 in the resetting process, and the driving tip 44 is compressed under the action of the inclined end face of the ratchet; the wind pendulum 4 moves to the left to the maximum distance and then continues to reset to the right, and the reciprocating is carried out in a circulating way no matter whether the wind is left wind or right wind. Therefore, the wind pendulum swings left and right under the action of the side wind and the first compression spring 38 and the second compression spring 39 to drive the ratchet wheel 6 to rotate, then the acceleration gear 51 accelerates to realize the rotation of the driving bevel gear 21, the driving bevel gear 21 drives the two driven bevel gears 22 to rotate, and simultaneously drives the two driven fans 23 to rotate and blow air to the smoke exhaust hole 11. If the wind is in the non-working state, the wind can prevent external wind from entering, so that the aim of preventing the wind from falling is fulfilled; if the working state is, a negative pressure area can be formed on the back of the driven fan 23 which rotates, so that a suction force is generated to suck the smoke, and meanwhile, the air blown out from the driven fan 23 can generate an injection effect to further assist the discharge of the smoke, so that the aim of resisting wind pressure is fulfilled. In addition, the cone 41a can also play a role in guiding the flue gas, so that the flue gas flows out more smoothly compared with the traditional smoke pipe.
Claims (7)
1. A down-draft prevention smoke tube comprises a smoke tube body (1) and is characterized by further comprising
A shell (3) which is arranged at the front end of the smoke tube body (1) and covers the front end opening of the smoke tube body (1);
a ratchet (6) rotatably provided in the housing (3), wherein the outer ring of the ratchet (6) has ratchet teeth (61) and the inner side thereof is provided with a gear ring (62);
the wind pendulum (4) is arranged on the shell (3) in a back-and-forth swinging mode, the tail end of the wind pendulum is provided with a driving center (44) which is matched with the ratchet (61) to drive the ratchet (6) to rotate, and two sides of the driving center (44) are respectively provided with a first compression spring (38) and a second compression spring (39);
a rotating shaft (5) which is axially arranged on the shell (3) and can rotate, and the front end of the rotating shaft is provided with an accelerating gear (51) which is in meshing transmission with the gear ring (62);
the driving bevel gear (21) is positioned in the smoke tube body (1) and is connected with the rear end of the rotating shaft (5);
a driven bevel gear (22) which is rotatably arranged in the smoke tube body (1) and is in meshing transmission with the driving bevel gear (21);
a driven fan (23) coaxially connected to the driven bevel gear (22); and
the driven centre (7) is elastically arranged in the shell (3) and is matched with the ratchet (61) to limit the reverse rotation of the ratchet wheel (6);
the side wall of the smoke pipe body (1) is provided with a smoke exhaust hole (11), and the smoke exhaust hole (11) can receive smoke discharged from the driven fan in the radial direction;
a bracket (4a) is arranged on one side of the shell (3), and the driven fan (23) can be rotatably arranged on the bracket (4 a);
the support (4a) comprises a cylinder (42a) and a cone (41a) of which the outer end forms an airflow guide surface, the cone (41a) is connected to the rear end of the cylinder (42a), the driven fan (5a) can be rotatably arranged on the outer side of the cylinder (42a), and correspondingly, the driving bevel gear (21) and the driven bevel gear (22) are positioned in the cylinder (42 a).
2. The anti-downdraft smoke pipe according to claim 1, wherein the number of the driven fans (23) is two and arranged up and down, correspondingly, the driven bevel gears (22) corresponding to the two driven fans (23) are respectively engaged with the driving bevel gear (21) for transmission, and correspondingly, the smoke discharge holes (11) are a plurality of and annularly arranged on the side wall of the smoke pipe body (1).
3. The anti-downdraft smoke pipe according to claim 1, wherein the housing (3) comprises a bottom plate (31) and a cylindrical surrounding wall (32) extending outward from the bottom plate (31) in the axial direction, the bottom plate (31) is disposed on the front end of the smoke pipe body (1) and has a shaft hole (33) in the middle for the rotation shaft (5) to pass through, the bottom plate (31) is provided with a fulcrum shaft (35) rotatably connected with the wind pendulum (4) and a rotation shaft (36) connected with the accelerating gear (51), and the top end of the surrounding wall (32) is provided with an arc-shaped guide hole (34) for the wind pendulum (4) to move back and forth.
4. A downdraft prevention smoke pipe according to claim 3, wherein the inner side of the enclosure wall (32) is provided with a curved guide rail (37) adjacent to the guide hole (34), and correspondingly, the wind pendulum (4) is provided with a guide hole (34) which is in guiding fit with the curved guide rail (37).
5. The anti-downdraft smoke pipe according to claim 4, wherein the first compression spring (38) and the second compression spring (39) are sleeved on the arc-shaped guide rail (37) and abut against the wind pendulum (4).
6. The anti-downdraft smoke pipe according to claim 3, wherein a spring seat (71) is arranged inside the surrounding wall (32), a return spring (72) is arranged inside the spring seat (71), and the driven tip (7) is arranged inside the spring seat (71) and is abutted against the return spring (72).
7. The anti-downdraft smoke pipe according to claim 1, wherein the wind pendulum (4) comprises a first wind receiving member (41), a second wind receiving member (42) and a swing rod (43) connected with the first wind receiving member (41) and the second wind receiving member (42), the first wind receiving member (41) and the second wind receiving member (42) are both located at the outer end of the housing (3), the first wind receiving member (41) and the second wind receiving member (42) are both provided with bowl-shaped wind receiving surfaces with opposite wind directions, the swing rod (43) penetrates through the guide hole (34), and the active center (44) is located at the bottom end of the swing rod (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382021.9A CN111197760B (en) | 2018-11-20 | 2018-11-20 | Anti-downdraft smoke pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811382021.9A CN111197760B (en) | 2018-11-20 | 2018-11-20 | Anti-downdraft smoke pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111197760A CN111197760A (en) | 2020-05-26 |
| CN111197760B true CN111197760B (en) | 2021-08-20 |
Family
ID=70744019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811382021.9A Active CN111197760B (en) | 2018-11-20 | 2018-11-20 | Anti-downdraft smoke pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111197760B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112166913A (en) * | 2020-09-11 | 2021-01-05 | 何勇 | Aerial garden pig cage grass is planted with preventing protection canopy that excessive rainwater strikes |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052060U (en) * | 1989-02-13 | 1990-01-31 | 彭勇 | Wind chimney dredger |
| EP0641972A1 (en) * | 1993-09-03 | 1995-03-08 | André Amphoux | Static dynamic device for gaseous fluid removal |
| CN201074568Y (en) * | 2007-09-06 | 2008-06-18 | 李安 | Anti-blowback wind power induced draft |
| CN202547088U (en) * | 2012-03-21 | 2012-11-21 | 广东万和新电气股份有限公司 | Down draft prevention smoke tube for forced exhaust gas water heater |
| KR20130116539A (en) * | 2012-04-16 | 2013-10-24 | 주식회사 형제산업 | Wind power generator |
| CN104315718A (en) * | 2014-10-24 | 2015-01-28 | 常州侨光电工器材有限公司 | Gas water heater exhaust tube |
| CN206001497U (en) * | 2016-08-31 | 2017-03-08 | 北京东方星火能源科技有限公司 | Universal come wind rain-proof help smoke extractor |
-
2018
- 2018-11-20 CN CN201811382021.9A patent/CN111197760B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052060U (en) * | 1989-02-13 | 1990-01-31 | 彭勇 | Wind chimney dredger |
| EP0641972A1 (en) * | 1993-09-03 | 1995-03-08 | André Amphoux | Static dynamic device for gaseous fluid removal |
| CN201074568Y (en) * | 2007-09-06 | 2008-06-18 | 李安 | Anti-blowback wind power induced draft |
| CN202547088U (en) * | 2012-03-21 | 2012-11-21 | 广东万和新电气股份有限公司 | Down draft prevention smoke tube for forced exhaust gas water heater |
| KR20130116539A (en) * | 2012-04-16 | 2013-10-24 | 주식회사 형제산업 | Wind power generator |
| CN104315718A (en) * | 2014-10-24 | 2015-01-28 | 常州侨光电工器材有限公司 | Gas water heater exhaust tube |
| CN206001497U (en) * | 2016-08-31 | 2017-03-08 | 北京东方星火能源科技有限公司 | Universal come wind rain-proof help smoke extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111197760A (en) | 2020-05-26 |
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