CN111412501B - Smoke exhaust pipe and balance smoke pipe - Google Patents
Smoke exhaust pipe and balance smoke pipe Download PDFInfo
- Publication number
- CN111412501B CN111412501B CN201910015270.2A CN201910015270A CN111412501B CN 111412501 B CN111412501 B CN 111412501B CN 201910015270 A CN201910015270 A CN 201910015270A CN 111412501 B CN111412501 B CN 111412501B
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- Prior art keywords
- smoke
- rotating shaft
- tube
- pipe
- connecting rod
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- 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
- F24C15/2035—Arrangement or mounting of filters
-
- 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
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to a smoke exhaust pipe and a balance smoke pipe, which comprise a smoke pipe (1), wherein a tail port (11) of the smoke pipe (1) is provided with a cover plate (2), and the peripheral wall of the smoke pipe is provided with a plurality of smoke exhaust holes (12); it is characterized by also comprising: the first rotating shaft (3) can be rotatably arranged in the smoke tube (1), and two ends of the second rotating shaft (3) can be respectively and rotatably connected with the peripheral wall of the smoke tube in a driving way; the second rotating shaft (3) is in driving connection with the cover plate (2), so that the cover plate (2) can rotate around the second rotating shaft (3) to close or open the tail port (11) of the smoke tube; and the driving mechanism (6) can work along with the change of the environmental temperature, is in driving connection with the first rotating shaft (3) and is used for driving the first rotating shaft (3) to rotate. Compared with the prior art, the smoke tube tail port opening and closing device can sense the change of the outside temperature to open or close the tail port of the smoke tube, and the problem that gas equipment cannot normally work when the exhaust port of the smoke tube is frozen and blocked is avoided.
Description
Technical Field
The invention relates to the field of gas water heaters or range hoods, in particular to a smoke exhaust pipe structure for a gas water heater or a range hood.
Background
In the existing smoke exhaust pipe, in order to avoid backward wind and prevent birds from entering the smoke exhaust pipe to nest, a tail end port of a smoke pipe is usually closed, and a plurality of smoke exhaust holes are formed in the peripheral wall of the smoke pipe to exhaust smoke through the smoke exhaust holes. The smoke exhaust holes can exhaust smoke on one hand, and meanwhile, the smoke exhaust holes are relatively small, so that the smoke exhaust holes can also play a role in filtering, and external impurities are prevented from entering the smoke pipes to block the smoke pipes.
For example, CN201020184931.9 discloses a coaxial balanced smoke tube for preventing downdraft, which comprises an inner smoke tube and an outer smoke tube disposed at the periphery of the inner smoke tube, wherein the outer smoke tube is provided with an outdoor air inlet, a blocking piece is disposed between the outer smoke tube and the inner smoke tube, the end of the inner smoke tube extends out of the blocking piece, the end of the inner smoke tube is provided with a windproof cover, the windproof cover and the end of the inner smoke tube are provided with a smoke outlet, the end of the inner smoke tube is further provided with a windproof bracket, the windproof bracket is provided with a windproof cover, and an outer cylindrical ventilation duct is disposed between the windproof cover and the blocking piece.
The technology effectively improves the problem of backward wind flow and avoids nesting of birds in the smoke pipes. However, under the severe cold condition in winter, water vapor in the flue gas is condensed into ice on the densely distributed small holes to block the smoke exhaust hole, and the normal work of the water heater is influenced due to unsmooth exhaust.
Disclosure of Invention
The invention aims to solve the technical problem of providing a smoke exhaust pipe which can exhaust gas normally under any condition aiming at the current situation of the prior art, thereby ensuring the normal use of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: a smoke exhaust pipe comprises a smoke pipe, wherein a cover plate is arranged at the tail end port of the smoke pipe, and a plurality of smoke exhaust holes are formed in the peripheral wall of the smoke pipe; it is characterized by also comprising:
the first rotating shaft is rotatably arranged in the smoke pipe, and two ends of the first rotating shaft are respectively rotatably connected with the peripheral wall of the smoke pipe in a driving way; the first rotating shaft is in driving connection with the cover plate, so that the cover plate can rotate around the first rotating shaft to close or open the tail port of the smoke tube;
and the driving mechanism can work along with the change of the environmental temperature, is in driving connection with the first rotating shaft and is used for driving the first rotating shaft to rotate.
Preferably, the method further comprises the following steps:
the filter screen is rotatably arranged in the smoke pipe corresponding to the tail end port of the smoke pipe;
the second rotating shaft is arranged in the smoke tube, and two end parts of the second rotating shaft can be respectively and rotatably connected with the peripheral wall of the smoke tube; the second rotating shaft is in driving connection with the filter screen, so that the filter screen rotates around the first rotating shaft;
the driving mechanism is further connected with the second rotating shaft and drives the second rotating shaft to rotate.
Preferably, actuating mechanism includes the actuating lever, the cover is equipped with memory spring on the actuating lever, the actuating lever can wear to establish on first base with sliding, and first link assembly is connected in the one end drive of actuating lever, the first output drive of first link assembly is connected the second pivot, the second output drive of first link assembly connects second link assembly, the output drive of second link assembly is connected first pivot.
Preferably, the first connecting rod assembly comprises a driven rod, the driving rod is in driving connection with the middle of the driven rod through a hinge seat, and two ends of the memory spring respectively abut against the first base and the driven rod;
and the first end of the driven rod is in driving connection with the second rotating shaft, and the second end of the driven rod is in driving connection with the input end of the second connecting rod assembly.
Preferably, the second connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, and the end parts of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are hinged in sequence; the driven rod is hinged with the first connecting rod, and the other end of the fourth connecting rod is in driving connection with the first rotating shaft; the second connecting rod can be slidably arranged on the second base in a penetrating mode.
Preferably, the cover plate is perpendicular to the filter screen. Therefore, the filter screen is transversely blocked in the smoke tube only when the port at the tail part of the smoke tube is opened, so that external impurities are prevented from entering, and meanwhile, a certain blocking effect on the backward flowing air is achieved; and the port of the tail end of the smoke tube is closed by the cover plate, and the inner cavity of the smoke tube is opened by the filter screen, so that normal exhaust is not influenced.
In order to protect the driving mechanism, a cover plate can be arranged on the outer wall of the smoke tube, and the driving mechanism is arranged in the accommodating cavity between the outer wall of the smoke tube and the cover plate.
Preferably, the accommodating cavity is an open structure communicated with the external environment, so that the driving mechanism can accurately sense the change of the temperature of the external environment.
The balance smoke tube using the smoke discharge tubes is characterized in that the smoke tube is sleeved in the outer tube, the tail part of the smoke tube is exposed out of the outer tube, and the smoke discharge holes are formed in the tail part of the smoke tube; an end cover plate is connected between the port of the outer pipe and the smoke pipe, a plurality of air inlets are formed in the outer pipe, and the air inlets are communicated with a cavity between the smoke pipe and the outer pipe.
Compared with the prior art, the smoke exhaust pipe and the balance smoke pipe provided by the invention can sense the change of the external temperature to open or close the tail port of the smoke pipe, so that the problem that the gas equipment cannot normally work when the exhaust port of the smoke pipe is frozen and blocked is avoided.
Drawings
FIG. 1 is a longitudinal sectional view (one cover plate is omitted) of an assembling structure of an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1 with the smoke tube and the outer tube removed.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 2, a preferred technical solution of the present invention is described by taking a balance smoke tube as an example. The method comprises the following steps:
and an outer tube 8 for supplying air to the installed equipment, wherein a plurality of air inlet holes 82 are formed in the wall of the outer tube 8.
The smoke tube 1 is used for discharging smoke generated by equipment combustion outdoors and is sleeved in the outer tube 8, the tail part of the smoke tube 1 is exposed out of the outer tube 8, and a plurality of smoke exhaust holes 12 are formed in the tail part of the smoke tube at intervals; the clearance between the outer pipe 8 and the smoke pipe 1 forms an air inlet cavity 83, and each air inlet 82 is communicated with the air inlet cavity 83; an end cover plate 81 is connected between the port of the outer pipe 8 and the smoke pipe 1, and the end cover plate 81 seals the port of the air inlet cavity 83; the outside air can only enter the air inlet cavity from each air inlet, and the air in the air inlet cavity is also prevented from being discharged outside.
The cover plate 2 is rotatably arranged on the tail port 11 of the smoke tube through the first rotating shaft 3 and is used for opening or closing the tail port 11 of the smoke tube. The first rotating shaft 3 is arranged along the diameter of the smoke tube, and two ends of the first rotating shaft are respectively connected to the wall of the smoke tube in a rotating way; the first rotating shaft 3 is connected to the center line of the cover plate 2, and the first rotating shaft 3 rotates to drive the cover plate 2 to rotate around the first rotating shaft 3 so as to close or open the tail port 11 of the smoke tube.
The filter screen 5 is rotatably disposed in the smoke tube 1 through the second rotating shaft 4, and when the cover plate 3 opens the tail port of the smoke tube, the smoke in the smoke tube is discharged from the tail port 11 through the filter screen 5. The second rotating shaft 4 is parallel to the first rotating shaft 3, and two ends of the second rotating shaft can be respectively and rotatably connected with the wall of the smoke tube 1; the second rotating shaft 4 is fixed in the middle of the filter screen 5, and the second rotating shaft rotates to drive the filter screen 5 to rotate around the first rotating shaft 3 in the smoke tube 1.
The filter screen 5 is vertical to the cover plate 2, when the cover plate closes the tail end port of the smoke tube, the filter screen is vertical to the cover plate, and the plane of the filter screen is parallel to the axis of the smoke tube; when the cover plate opens the tail port of the smoke tube, the plane of the cover plate is parallel to the axis of the smoke tube, and the filter screen is still perpendicular to the cover plate to block the inner cavity of the smoke tube, so that smoke enters the tail port of the smoke tube through the filter screen and is discharged.
The driving mechanism 6 is arranged on the outer wall of the smoke tube, can work along with the change of the environmental temperature and is used for driving the first rotating shaft 3 and the second rotating shaft 4 to rotate; two groups of driving mechanisms 6 are arranged on the outer wall of the smoke tube respectively corresponding to two ends of the two rotating shafts; in this embodiment, a cover plate 7 is further disposed on the outer wall of the smoke tube, an accommodating cavity 71 with two open ends is formed between the cover plate 7 and the outer wall of the smoke tube, and the driving mechanism 6 is accommodated in the accommodating cavity between the outer wall of the smoke tube 1 and the cover plate 7. The two groups of driving mechanisms have the same structure and respectively comprise:
first connecting rod subassembly, for actuating lever 66, the cover is equipped with memory spring 67 on the actuating lever 66, and the first end of actuating lever 66 can wear to establish on first base 68, and first base 68 is fixed on the tobacco pipe outer wall, and the second end of actuating lever is through articulated seat 60 drive connection driven lever 65's middle part, memory spring 67's both ends are contradicted respectively on first base 68 and the articulated seat 60.
The memory spring 67 is made of memory alloy, is the prior art and can stretch and contract along with the change of temperature. The memory spring in this embodiment is in an extended state at normal state and in a contracted state at low temperature.
The first end of the driven rod 65 is in driving connection with the second rotating shaft 4, and the second end is in driving connection with the input end of the second connecting rod assembly.
The second connecting rod component comprises a first connecting rod 61, a second connecting rod 62, a third connecting rod 63 and a fourth connecting rod 64, wherein the ends of the first connecting rod, the second connecting rod 62, the third connecting rod 63 and the fourth connecting rod 64 are sequentially hinged; the second end of the driven rod 65 is hinged with the first connecting rod 61 through the hinge seat 60, and the other end of the fourth connecting rod 64 is in driving connection with the first rotating shaft 3; the second link 62 is slidably disposed through the second base 69; the second base 69 is fixed to the outer wall of the smoke tube.
The connecting rods are hinged with each other through a hinge seat 60.
At normal temperature, the cover plate closes the port at the tail part of the smoke tube, the filter screen is vertical to the cover plate, and smoke is normally exhausted through each smoke exhaust hole on the smoke tube. When the outdoor temperature is reduced to the freezing temperature, when the smoke passes through each smoke vent, water vapor in the smoke is adsorbed around the smoke vent and is condensed into ice to block the smoke vent, so that the exhaust is not smooth; meanwhile, the memory spring contracts along with the reduction of the ambient temperature, so that the driving rod moves relative to the first base, the hinge seat is pulled, the hinge seat drives the driven rod to rotate by taking the second rotating shaft as a center, and the first end of the driven rod simultaneously drives the second rotating shaft to rotate so as to drive the filter screen to rotate around the second rotating shaft to block the inner cavity of the smoke tube; the second end of the driven rod drives the first connecting rod to pull the second connecting rod to slide relative to the second base, and the second connecting rod pulls the fourth connecting rod to rotate through the third connecting rod, so that the first rotating shaft is driven to rotate, the cover plate is driven to rotate, and the port at the tail part of the smoke pipe is opened. At the moment, a large amount of smoke is discharged from the port at the tail part of the smoke pipe through the filter screen, and the normal work of the gas equipment is ensured.
When the environment temperature returns to the non-icing temperature, ice accumulated on the smoke exhaust holes is melted, meanwhile, the memory spring is restored to the extension state, the driving rod, the driven rod and the connecting rods reversely act, the cover plate is driven to rotate to close the tail end port of the smoke tube, the filter screen is driven to rotate at the same time, the inner cavity of the smoke tube is opened, and smoke is normally exhausted through the smoke exhaust holes.
Claims (9)
1. A smoke exhaust pipe comprises a smoke pipe (1), a cover plate (2) is arranged at a tail port (11) of the smoke pipe (1), and a plurality of smoke exhaust holes (12) are formed in the peripheral wall of the smoke pipe; it is characterized by also comprising:
the first rotating shaft (3) can be rotatably arranged in the smoke tube (1), and two ends of the first rotating shaft (3) can be respectively and rotatably connected with the peripheral wall of the smoke tube in a driving way; the first rotating shaft (3) is in driving connection with the cover plate (2), so that the cover plate (2) can rotate around the first rotating shaft (3) to close or open the tail port (11) of the smoke tube;
and the driving mechanism (6) can work along with the change of the environmental temperature, is in driving connection with the first rotating shaft (3) and is used for driving the first rotating shaft (3) to rotate.
2. The smoke exhaust duct according to claim 1, further comprising:
the filter screen (5) is rotatably arranged in the smoke tube (1) corresponding to the tail port (11) of the smoke tube;
the second rotating shaft (4) is arranged in the smoke tube (1), and two ends of the second rotating shaft (4) can be respectively and rotatably connected with the peripheral wall of the smoke tube (1); the second rotating shaft (4) is in driving connection with the filter screen (5), so that the filter screen (5) rotates around the first rotating shaft (3);
the driving mechanism (6) is further connected with the second rotating shaft (4) and drives the second rotating shaft (4) to rotate.
3. The smoke exhaust pipe according to claim 2, wherein the driving mechanism (6) comprises a driving rod (66), a memory spring (67) is sleeved on the driving rod (66), the driving rod (66) can be slidably arranged on the first base (68) in a penetrating manner, one end of the driving rod is in driving connection with a first connecting rod assembly, a first output end of the first connecting rod assembly is in driving connection with the second rotating shaft (4), a second output end of the first connecting rod assembly is in driving connection with a second connecting rod assembly, and an output end of the second connecting rod assembly is in driving connection with the first rotating shaft (3).
4. The smoke exhaust pipe according to claim 3, wherein said first link assembly comprises a driven rod (65), said driving rod (66) is drivingly connected to the middle portion of said driven rod (65) through a hinge base (60), and both ends of said memory spring (67) are respectively abutted between said first base (68) and said driven rod (65);
and the first end of the driven rod (65) is in driving connection with the second rotating shaft (4), and the second end of the driven rod is in driving connection with the input end of the second connecting rod assembly.
5. The smoke exhaust pipe according to claim 4, wherein the second connecting rod assembly comprises a first connecting rod (61), a second connecting rod (62), a third connecting rod (63) and a fourth connecting rod (64) which are hinged at the ends in sequence; the driven rod (65) is hinged with the first connecting rod (61), and the other end of the fourth connecting rod (64) is in driving connection with the first rotating shaft (3); the second link (62) is slidably disposed through the second base (69).
6. Smoke exhaust tube according to any of claims 2 to 5, characterised in that the cover sheet (2) is perpendicular to the sieve (5).
7. The smoke exhaust pipe according to claim 6, wherein a cover plate (7) is arranged on the outer wall of the smoke pipe (1), and the driving mechanism (6) is arranged in the accommodating cavity (71) between the outer wall of the smoke pipe (1) and the cover plate (7).
8. The smoke exhaust pipe according to claim 7, wherein said containing cavity (71) is an open structure communicating with the outside environment.
9. The balance smoke tube using the smoke exhaust tube of any one of claims 1 to 8, wherein the smoke tube (1) is sleeved in the outer tube (8), the tail part of the smoke tube 1 is exposed out of the outer tube (8), and each smoke exhaust hole (12) is arranged at the tail part of the smoke tube (1); an end cover plate (81) is connected between the port of the outer pipe (8) and the smoke pipe (1), a plurality of air inlets (82) are formed in the outer pipe (8), and the air inlets (82) are communicated with a cavity between the smoke pipe (1) and the outer pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015270.2A CN111412501B (en) | 2019-01-08 | 2019-01-08 | Smoke exhaust pipe and balance smoke pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015270.2A CN111412501B (en) | 2019-01-08 | 2019-01-08 | Smoke exhaust pipe and balance smoke pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111412501A CN111412501A (en) | 2020-07-14 |
| CN111412501B true CN111412501B (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910015270.2A Active CN111412501B (en) | 2019-01-08 | 2019-01-08 | Smoke exhaust pipe and balance smoke pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN111412501B (en) |
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| JPH07139721A (en) * | 1993-11-16 | 1995-05-30 | Osaka Gokou:Kk | Gas discharging cylinder structure of combustion device |
| CN1458250A (en) * | 2002-05-16 | 2003-11-26 | 袁功强 | Coal and firewood two purpose gas burning stove |
| EP2028419A2 (en) * | 2007-08-23 | 2009-02-25 | Truma Gerätetechnik GmbH & Co. KG | Exhaust gas device for a combustion device in a motor vehicle |
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| CN204006052U (en) * | 2014-07-30 | 2014-12-10 | 上海迪夫格环境科技有限公司 | The device of the wet chimney internal cylinder wall control of integrated heat insulating block heating chimney rain, gypsum rain |
| CN204285491U (en) * | 2014-10-28 | 2015-04-22 | 吉林省电力勘测设计院 | The first anti-thawing apparatus of cylinder after a kind of single-drum chimney desulfurization |
| CN204787767U (en) * | 2015-07-06 | 2015-11-18 | 肖明真 | Vacuum separates heat energy -saving environmental protection pottery kiln |
| CN204804915U (en) * | 2015-07-06 | 2015-11-25 | 中国人民解放军装甲兵工程学院 | Gas turbine pipe of discharging fume |
| CN205989807U (en) * | 2016-08-04 | 2017-03-01 | 友联船厂（蛇口）有限公司 | A kind of smoke evacuation pipe device |
| CN206276182U (en) * | 2016-12-24 | 2017-06-27 | 赵志刚 | One kind heating chimney particulate matter remove device |
| CN207145642U (en) * | 2017-06-19 | 2018-03-27 | 华帝股份有限公司 | Novel antifreezing valve |
| CN207178018U (en) * | 2017-05-27 | 2018-04-03 | 广西玉柴机器股份有限公司 | A kind of smoke exhaust pipe cover plate assembly structure |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07139721A (en) * | 1993-11-16 | 1995-05-30 | Osaka Gokou:Kk | Gas discharging cylinder structure of combustion device |
| CN1458250A (en) * | 2002-05-16 | 2003-11-26 | 袁功强 | Coal and firewood two purpose gas burning stove |
| EP2028419A2 (en) * | 2007-08-23 | 2009-02-25 | Truma Gerätetechnik GmbH & Co. KG | Exhaust gas device for a combustion device in a motor vehicle |
| CN201672527U (en) * | 2010-05-11 | 2010-12-15 | 诸暨凯姆热能设备有限公司 | Downdraught prevention coaxial balancing smoke tube |
| CN103256719A (en) * | 2013-04-27 | 2013-08-21 | 深圳市佳运通电子有限公司 | Furnace condition optimizing and monitoring device and method using same for optimizing |
| CN203349280U (en) * | 2013-06-09 | 2013-12-18 | 王风林 | Fuel gas wall-hung stove low-temperature anti-blocking chimney |
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| CN204006052U (en) * | 2014-07-30 | 2014-12-10 | 上海迪夫格环境科技有限公司 | The device of the wet chimney internal cylinder wall control of integrated heat insulating block heating chimney rain, gypsum rain |
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| CN204804915U (en) * | 2015-07-06 | 2015-11-25 | 中国人民解放军装甲兵工程学院 | Gas turbine pipe of discharging fume |
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| Publication number | Publication date |
|---|---|
| CN111412501A (en) | 2020-07-14 |
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