CN112594835A - Heating exhaust fan capable of automatically adjusting exhaust effect according to temperature - Google Patents
Heating exhaust fan capable of automatically adjusting exhaust effect according to temperature Download PDFInfo
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- CN112594835A CN112594835A CN202110017231.3A CN202110017231A CN112594835A CN 112594835 A CN112594835 A CN 112594835A CN 202110017231 A CN202110017231 A CN 202110017231A CN 112594835 A CN112594835 A CN 112594835A
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- cavity
- fan
- switching
- shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- 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
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
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- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the relevant field of electromechanical equipment, and discloses a heating exhaust fan capable of automatically adjusting exhaust effect according to temperature, which comprises a main body box, wherein a fan cavity penetrating through the main body box is arranged in the main body box, a reversing cavity is arranged on the upper side of the fan cavity, a reversing shaft cavity is communicated with the rear side of the reversing cavity, and a motor gear cavity extending upwards is communicated with the rear side of the reversing shaft cavity, the device judges the temperature of the outside through the expansion and contraction of liquid in a temperature telescopic liquid cavity, when the temperature is normal, the exhaust fan can be directly opened to carry out indoor ventilation operation, meanwhile, according to the temperature rise, the rotating angle of fan blades is increased, the exhaust effect is gradually enhanced, the power of the fan is reasonably utilized, when the temperature is low, the fan blades rotate to be closed, the indoor and the outdoor are isolated, the loss of indoor heat is avoided, when the temperature is too low, the heating net can be simultaneously started by reversing, hot air is blown into the room, thereby increasing the temperature in the room.
Description
Technical Field
The invention relates to the relevant field of electromechanical equipment, in particular to a heating exhaust fan capable of automatically adjusting exhaust effect according to temperature.
Background
Electromechanical device has run through our life almost, most domestic exhaust fan is mostly only carminative effect today, the function is comparatively single, and it is in same rotational speed all the time, if when needing not too high exhaust effect, the power of fan can spill over, certain energy resource consumption has been increased like this, cause the unnecessary consumption, on the other hand, when the temperature was lower winter, because the exhaust fan communicates the external world all the time and leads to indoor temperature greatly reduced, lead to certain influence to the human sense organ.
Disclosure of Invention
The invention aims to provide a heating exhaust fan capable of automatically adjusting the exhaust effect according to the temperature, which can overcome the defects in the prior art, thereby improving the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a heating exhaust fan capable of automatically adjusting exhaust effect according to temperature, which comprises a main box body, wherein a fan cavity penetrating through the main box body is arranged in the main box body, a reversing cavity is arranged on the upper side of the fan cavity, a reversing shaft cavity is communicated and arranged on the rear side of the reversing cavity, a motor gear cavity extending upwards is communicated and arranged on the rear side of the reversing shaft cavity, a reversing block cavity is communicated and arranged on the rear side of the motor gear cavity, a temperature telescopic liquid cavity is arranged on the lower side of the fan cavity, a main magnet pull rope is arranged on the rear side of the temperature telescopic liquid cavity, a wide auxiliary magnet cavity is communicated and arranged on the rear side of the main magnet pull rope, a narrow auxiliary magnet cavity positioned on the rear side of the temperature telescopic liquid cavity is communicated and arranged on the front side of the main magnet pull rope, a fan fixing block is fixedly connected and arranged on the upper end wall of the fan cavity, a fan bevel gear cavity is arranged in the fan fixing block, and a fan shaft extending, the fan shaft is characterized in that a fan helical gear is fixedly connected at the front end of the fan shaft, a rotating block is fixedly connected at the front end face of the fan helical gear, a pull shaft cavity with a forward opening is arranged in the rotating block, a sliding plate cavity corresponding to the pull shaft cavity is arranged in the fan fixing block, a fan blade gear cavity is arranged in the fan shaft, a wire wheel cavity is arranged at the front side of the fan blade gear cavity, four fan blade shafts which are circumferentially distributed are connected and arranged on the outer end wall of the fan blade gear cavity in a rotating fit manner, the fan blade shafts extend outwards and inwards into the fan blade gear cavity, fan blades are fixedly connected and arranged at the outer end of the fan blade shaft, a fan blade gear is fixedly connected and arranged at the inner end of the fan blade shaft, a wire wheel shaft which extends forwards into the wire wheel cavity and extends backwards into the fan blade gear cavity is arranged, the tail end of the rear side of the reel shaft is fixedly connected with a rack fixing wheel, the rear end face of the rack fixing wheel is fixedly connected with an annular rack which is meshed with the fan blade gear and is arranged in an annular mode, the tail end of the front side of the reel shaft is fixedly connected with a reel, and the front end face of the reel shaft is fixedly connected with the front end wall of the reel cavity and is provided with a torsion spring.
On the basis of the technical scheme, the sliding fit connection of the pull shaft cavity is provided with the pull shaft, the pull shaft is provided with a wire wheel pull rope fixedly connected between the wire wheels, the sliding fit connection of the sliding fit in the sliding plate cavity is provided with a sliding plate connected with the pull shaft in a rotating fit manner, the rotating fit connection of the upper end wall of the fan helical gear cavity is provided with a downward extension part which extends downwards in the fan helical gear cavity and extends upwards to a reversing rack wheel shaft in the reversing cavity, the tail end fixed connection of the lower side of the reversing rack wheel shaft is provided with a transmission bevel gear meshed with the fan helical gear, the tail end fixed connection of the upper side of the reversing rack wheel shaft is provided with a reversing rack wheel, and the upper end surface fixed connection.
On the basis of the technical scheme, the reversing shaft intracavity sliding fit connection is equipped with and extends to forward the switching-over intracavity and extend backward and run through motor gear chamber extremely the reversing shaft of reversing block intracavity, the terminal fixed connection of reversing shaft front side be equipped with can with the switching-over rack toothing's switching-over spur gear, the epaxial fixed connection of switching-over is equipped with and is located switching-over spur gear rear side and can with the switching-over rack toothing's switching-over straight-teeth gear, the epaxial fixed connection of switching-over is equipped with and is located the switching-over driven gear of motor gear intracavity, the terminal normal running fit connection of reversing shaft rear side be equipped with the switching-over piece of switching-over block chamber sliding fit connection, switching-over piece rear end face with fixed connection is equipped with the reversing block spring between the switching-over block chamber.
On the basis of the technical scheme, the motor which is positioned on the upper side of the reversing block cavity is fixedly connected and arranged in the rear end wall of the motor gear cavity, the front end face of the motor is fixedly connected and arranged with a motor shaft which extends forwards into the motor gear cavity, the tail end of the front side of the motor shaft is fixedly connected and arranged with a motor gear which is meshed with the reversing driven gear, the temperature telescopic liquid cavity is internally and slidably connected and arranged with a temperature sealing block, the temperature sealing block is fixedly connected and arranged with a stepping pull rope between the sliding plates, the main magnet pull rope is internally and slidably connected and arranged with a main magnet, and the main magnet is fixedly connected and arranged with a synchronous pull rope between the temperature sealing blocks.
On the basis of the technical scheme, the wide auxiliary magnet cavity is provided with a wide auxiliary magnet in a sliding fit connection mode, the wide auxiliary magnet is fixedly connected with the reversing block and provided with a wide auxiliary magnet pull rope, the narrow auxiliary magnet cavity is provided with a narrow auxiliary magnet in a sliding fit connection mode, the upper end wall of the narrow auxiliary magnet cavity is fixedly connected with a contact block which can be in contact with the narrow auxiliary magnet, the narrow auxiliary magnet is fixedly connected with the sliding plate and provided with a sliding plate pull rope, and the inner wall of the fan cavity is fixedly connected with a heating net.
The invention has the beneficial effects that: this device judges external temperature height through expend with heat and contract with cold of the flexible intracavity liquid of temperature, when being in normal temperature, can directly open the air discharge fan, to indoor operation of taking a breath, simultaneously can be according to the rising of temperature, make the rotation angle increase of flabellum, exhaust effect strengthens gradually, still make the power rational utilization of fan, when the temperature is lower, the flabellum is rotatory to closed, make indoor and outdoor isolated, avoid indoor thermal loss, when the temperature crosses lowly, the accessible reversal flabellum starts the heating network heating simultaneously, blow into hot-blastly to indoor, thereby increase indoor temperature.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of a heating exhaust fan capable of automatically adjusting the exhaust effect according to the temperature according to the present invention.
Fig. 2 is a schematic sectional view of the structure in the direction of a-a in fig. 1.
Fig. 3 is an enlarged schematic view of B in fig. 2.
Fig. 4 is an enlarged schematic view of the structure at C in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The heating exhaust fan capable of automatically adjusting exhaust effect according to temperature, which is described in conjunction with the attached drawings 1-4, comprises a main case 10, a fan cavity 13 penetrating through the main case 10 from front to back is arranged in the main case, a reversing cavity 43 is arranged on the upper side of the fan cavity 13, a reversing shaft cavity 36 is communicated with the rear side of the reversing cavity 43, a motor gear cavity 35 extending upwards is communicated with the rear side of the reversing shaft cavity 36, a reversing block cavity 16 is communicated with the rear side of the motor gear cavity 35, a temperature telescopic liquid cavity 61 is arranged on the lower side of the fan cavity 13, a main magnet pull rope 62 is arranged on the rear side of the temperature telescopic liquid cavity 61, a wide auxiliary magnet cavity 32 is communicated with the rear side of the main magnet pull rope 62, a narrow auxiliary magnet cavity 29 located on the rear side of the temperature telescopic liquid cavity 61 is communicated with the front side of the main magnet pull rope 62, a fan fixing block 34 is fixedly connected with the upper end wall of the fan cavity 13, a fan bevel gear, the rear end wall of the fan bevel gear cavity 52 is provided with a fan shaft 60 which extends forwards into the fan bevel gear cavity 52 and extends backwards to the outside in a rotationally matched manner, the tail end of the front side of the fan shaft 60 is fixedly connected with a fan bevel gear 51, the front end face of the fan bevel gear 51 is fixedly connected with a rotating block 46, a pull shaft cavity 54 with a forward opening is arranged in the rotating block 46, a sliding plate cavity 57 corresponding to the pull shaft cavity 54 is arranged in the fan fixing block 34, a fan blade gear cavity 21 is arranged in the fan shaft 60, a wire wheel cavity 49 is arranged at the front side of the fan blade gear cavity 21, four fan blade shafts 11 which are circumferentially distributed are rotationally connected and matched with the outer end wall of the fan blade gear cavity 21, the fan blade shafts 11 extend outwards to the outside and inwards extend into the fan blade gear cavity 21, and the tail end of the outer side of each fan blade shaft 11 is fixedly connected with fan, the inboard terminal fixed connection of flabellum axle 11 is equipped with flabellum gear 23, flabellum gear chamber 21 front end wall internal rotation cooperation is connected and is equipped with and extends forward in line wheel chamber 49 and extend backward to line axle 20 in the flabellum gear chamber 21, the terminal fixed connection of line axle 20 rear side is equipped with rack tight pulley 19, 19 rear end face fixed connection of rack tight pulley be equipped with the annular rack 22 of flabellum gear 23 meshing and annular setting, 20 front end fixed connection of line axle is equipped with line wheel 48, line wheel 48 front end face with fixed connection is equipped with torsional spring 47 between the line wheel chamber 49 front end wall.
In addition, in one embodiment, a pulling shaft 55 is arranged in the pulling shaft cavity 54 in a sliding fit connection, a pulley pulling rope 50 is arranged between the pulling shaft 55 and the pulley 48 in a fixed connection, a sliding plate 56 connected with the pulling shaft 55 in a rotating fit connection is arranged in the sliding plate cavity 57 in a sliding fit connection, a reversing rack wheel shaft 44 extending downwards into the fan bevel gear cavity 52 and extending upwards into the reversing cavity 43 is arranged in the upper end wall of the fan bevel gear cavity 52 in a rotating fit connection, a transmission bevel gear 53 meshed with the fan bevel gear 51 is fixedly connected to the lower end of the reversing rack wheel shaft 44, a reversing rack wheel 42 is fixedly connected to the upper end of the reversing rack wheel shaft 44, and a reversing rack 41 arranged annularly is fixedly connected to the upper end face of the reversing rack wheel 42.
In addition, in one embodiment, the reversing shaft cavity 36 is provided with a reversing shaft 39 which extends forwards into the reversing cavity 43 and backwards through the motor gear cavity 35 to the reversing block cavity 16 in a sliding fit connection manner, a reversing spur gear 45 capable of being meshed with the reversing rack 41 is fixedly connected to the tail end of the front side of the reversing shaft 39, the reversing shaft 39 is fixedly connected with a reversing spur gear 40 which is positioned at the rear side of the reversing spur gear 45 and can be meshed with the reversing rack 41, the reversing shaft 39 is fixedly connected with a reversing driven gear 37 positioned in the motor gear cavity 35, the tail end of the rear side of the reversing shaft 39 is connected with a reversing block 18 which is connected with the reversing block cavity 16 in a sliding fit manner in a rotating fit manner, and a reversing block spring 17 is fixedly connected between the rear end surface of the reversing block 18 and the rear end wall of the reversing block cavity 16.
In addition, in one embodiment, the motor 15 located on the upper side of the reversing block cavity 16 is fixedly connected and arranged in the rear end wall of the motor gear cavity 35, the motor shaft 14 extending forwards into the motor gear cavity 35 is fixedly connected and arranged on the front end face of the motor 15, the motor gear 38 meshed with the reversing driven gear 37 is fixedly connected and arranged at the front end of the motor shaft 14, the temperature sealing block 31 is arranged in the temperature telescopic liquid cavity 61 in a sliding fit connection mode, the stepping pull rope 59 is fixedly connected and arranged between the temperature sealing block 31 and the sliding plate 56, the main magnet 26 is arranged in the main magnet pull rope 62 in a sliding fit connection mode, and the synchronous pull rope 30 is fixedly connected and arranged between the main magnet 26 and the temperature sealing block 31.
In addition, in one embodiment, the wide auxiliary magnet cavity 32 is provided with a wide auxiliary magnet 25 in a sliding fit connection, the wide auxiliary magnet 25 is fixedly connected with the reversing block 18 by a wide auxiliary magnet pull rope 63, the narrow auxiliary magnet cavity 29 is provided with a narrow auxiliary magnet 28 in a sliding fit connection, the upper end wall of the narrow auxiliary magnet cavity 29 is fixedly connected with a contact block 27 capable of contacting with the narrow auxiliary magnet 28, the narrow auxiliary magnet 28 is fixedly connected with the sliding plate 56 by a sliding plate pull rope 58, and the inner wall of the fan cavity 13 is fixedly connected with a heating net 24.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1-4, when the apparatus of the present invention is in the initial state, the reversing rack 41 is not engaged with the reversing spur gear 40, but engaged with the reversing spur gear 45, and the fan blades 12 are in the closed state;
sequence of mechanical actions of the whole device:
when the exhaust fan starts to work, when the temperature is too high and the exhaust fan needs to be opened for ventilation, due to the rise of the external temperature, the liquid in the temperature telescopic liquid cavity 61 expands with heat and contracts with cold to drive the temperature sealing block 31 to move upwards, the temperature sealing block 31 moves upwards to drive the main magnet 26 to move downwards through the synchronous pull rope 30, meanwhile, the temperature sealing block 31 moves upwards to drive the sliding plate 56 to move forwards through the stepping pull rope 59, the sliding plate 56 moves forwards to drive the pull shaft 55 to move forwards, the pull shaft 55 moves forwards to pull the wire wheel 48 through the wire wheel pull rope 50 to overcome the torsion of the wire wheel pull rope 50 to rotate, the wire wheel 48 rotates to drive the rack fixing wheel 19 to rotate through the wire wheel shaft 20, the rack fixing wheel 19 rotates to drive the fan blade gear 23 to rotate through the annular rack 22, the fan blade gear 23 rotates;
then starting the motor 15 to rotate, wherein the motor 15 rotates to drive the motor gear 38 to rotate through the motor shaft 14, the motor gear 38 rotates to drive the reversing shaft 39 to rotate through the reversing driven gear 37, the reversing shaft 39 rotates to drive the reversing rack 41 to rotate through the reversing spur gear 45, the reversing rack 41 rotates to drive the reversing rack wheel shaft 44 to rotate through the reversing rack wheel 42, the reversing rack wheel shaft 44 rotates to drive the fan helical gear 51 to rotate through the transmission bevel gear 53, the fan helical gear 51 rotates to drive the fan blades 12 to rotate through the fan shaft 60, the exhaust effect is realized, and when the temperature is further increased, the deflection angle of the fan blades 12 is increased, so that the exhaust effect of the exhaust fan is;
when the temperature is too low, the temperature sealing block 31 moves downwards to drive the main magnet 26 to move upwards through the synchronous pull rope 30, so that the main magnet 26 corresponds to the wide auxiliary magnet cavity 32, the main magnet 26 adsorbs the wide auxiliary magnet 25 to move forwards, the wide auxiliary magnet 25 moves forwards to pull the reversing block 18 through the wide auxiliary magnet pull rope 63 to overcome the thrust of the reversing block spring 17 to move backwards, the reversing block 18 moves backwards to drive the reversing straight gear 40 to move backwards through the reversing shaft 39 to be meshed with the reversing rack 41, the reversing spur gear 45 is disengaged from the reversing rack 41, the fan blades 12 can rotate reversely at the moment, but the motor 15 is not started, the fan blades 12 are still in a closed state, and the indoor heat preservation is carried out;
when the temperature is reduced to the lowest, the main magnet 26 corresponds to the narrow auxiliary magnet 28, the main magnet 26 adsorbs the narrow auxiliary magnet 28 to move backwards, the narrow auxiliary magnet 28 moves backwards to drive the sliding plate 56 to move forwards through the sliding plate pull rope 58, so that the fan blade 12 directly rotates to the maximum angle, when the narrow auxiliary magnet 28 moves backwards, the contact block 27 is contacted, the contact block 27 sends a signal to enable the motor 15 to start rotating, meanwhile, the heating net 24 is started to heat, the motor 15 rotates to enable the fan blade 12 to rotate reversely, and then the heating net 24 heats, so that the indoor temperature is further increased.
The invention has the beneficial effects that: this device judges external temperature height through expend with heat and contract with cold of the flexible intracavity liquid of temperature, when being in normal temperature, can directly open the air discharge fan, to indoor operation of taking a breath, simultaneously can be according to the rising of temperature, make the rotation angle increase of flabellum, exhaust effect strengthens gradually, still make the power rational utilization of fan, when the temperature is lower, the flabellum is rotatory to closed, make indoor and outdoor isolated, avoid indoor thermal loss, when the temperature crosses lowly, the accessible reversal flabellum starts the heating network heating simultaneously, blow into hot-blastly to indoor, thereby increase indoor temperature.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a can be according to heating exhaust fan of temperature automatically regulated exhaust effect, includes the main tank body, its characterized in that: the fan box is characterized in that a fan cavity penetrating through the main box body is arranged in the main box body in a front-back mode, a reversing cavity is arranged on the upper side of the fan cavity, a reversing shaft cavity is communicated and arranged on the rear side of the reversing cavity, an upwardly extending motor gear cavity is communicated and arranged on the rear side of the reversing shaft cavity, a reversing block cavity is communicated and arranged on the rear side of the motor gear cavity, a temperature telescopic liquid cavity is arranged on the lower side of the fan cavity, a main magnet pull rope is arranged on the rear side of the temperature telescopic liquid cavity, a wide auxiliary magnet cavity is communicated and arranged on the rear side of the main magnet pull rope, a narrow auxiliary magnet cavity is communicated and arranged on the rear side of the temperature telescopic liquid cavity, a fan fixing block is fixedly connected and arranged on the upper end wall of the fan cavity, a fan bevel gear cavity is arranged in the fan fixing block, and a fan shaft which extends forwards to, the fan shaft is characterized in that a fan helical gear is fixedly connected at the front end of the fan shaft, a rotating block is fixedly connected at the front end face of the fan helical gear, a pull shaft cavity with a forward opening is arranged in the rotating block, a sliding plate cavity corresponding to the pull shaft cavity is arranged in the fan fixing block, a fan blade gear cavity is arranged in the fan shaft, a wire wheel cavity is arranged at the front side of the fan blade gear cavity, four fan blade shafts which are circumferentially distributed are connected and arranged on the outer end wall of the fan blade gear cavity in a rotating fit manner, the fan blade shafts extend outwards and inwards into the fan blade gear cavity, fan blades are fixedly connected and arranged at the outer end of the fan blade shaft, a fan blade gear is fixedly connected and arranged at the inner end of the fan blade shaft, a wire wheel shaft which extends forwards into the wire wheel cavity and extends backwards into the fan blade gear cavity is arranged, the tail end of the rear side of the reel shaft is fixedly connected with a rack fixing wheel, the rear end face of the rack fixing wheel is fixedly connected with an annular rack which is meshed with the fan blade gear and is arranged in an annular mode, the tail end of the front side of the reel shaft is fixedly connected with a reel, and the front end face of the reel shaft is fixedly connected with the front end wall of the reel cavity and is provided with a torsion spring.
2. A heating exhaust fan capable of automatically adjusting exhaust effect according to temperature according to claim 1, wherein: the utility model discloses a fan bevel gear wheel, including fan bevel gear wheel, fixed connection, pull shaft intracavity sliding fit connection is equipped with the pull shaft, the pull shaft with fixed connection is equipped with the line wheel stay cord between the line wheel, sliding plate intracavity sliding fit connection in the chamber be equipped with the sliding plate that pull shaft normal running fit connects, fan bevel gear chamber upper end wall normal running fit connection is equipped with downwardly extending fan bevel gear intracavity and upwards extend to the switching-over rack wheel axle of switching-over intracavity, switching-over rack wheel axle downside end fixed connection be equipped with fan bevel gear meshed's transmission bevel gear, the terminal fixed connection of switching-over rack wheel axle upside is equipped with the switching-over rack, switching-over rack wheel.
3. A heating exhaust fan capable of automatically adjusting exhaust effect according to temperature according to claim 1, wherein: the switching-over axle intracavity sliding fit connect be equipped with extend to forward the switching-over intracavity and extend backward and run through motor gear chamber extremely the switching-over axle of switching-over piece intracavity, the terminal fixed connection of switching-over axle front side be equipped with can with switching-over rack toothing's switching-over spur gear, the epaxial fixed connection of switching-over is equipped with and is located switching-over spur gear rear side and can with switching-over rack toothing's switching-over spur gear, the epaxial fixed connection of switching-over is equipped with and is located the switching-over driven gear of motor gear intracavity, the terminal normal running fit of switching-over axle rear side connect be equipped with switching-over piece that switching-over piece chamber sliding fit connects, switching-over piece rear end face with fixed connection is equipped with the switching-over piece spring between the.
4. A heating exhaust fan capable of automatically adjusting exhaust effect according to temperature according to claim 1, wherein: the interior fixed connection of motor gear chamber rear end wall is equipped with and is located the motor of switching-over piece chamber upside, terminal surface fixed connection is equipped with and extends forward before the motor shaft in the motor gear chamber, the terminal fixed connection of motor shaft front side be equipped with switching-over driven gear engaged's motor gear, the flexible liquid intracavity sliding fit of temperature connects and is equipped with the temperature seal piece, the temperature seal piece with fixed connection is equipped with step-by-step stay cord between the sliding plate, the sliding fit connection is equipped with the main magnet in the main magnet stay cord, the main magnet with fixed connection is equipped with synchronous stay cord between the temperature seal piece.
5. A heating exhaust fan capable of automatically adjusting exhaust effect according to temperature according to claim 1, wherein: the wide auxiliary magnet cavity is provided with a wide auxiliary magnet in sliding fit connection, the wide auxiliary magnet is fixedly connected with the reversing block and provided with a wide auxiliary magnet pull rope, the narrow auxiliary magnet cavity is provided with a narrow auxiliary magnet in sliding fit connection, the upper end wall of the narrow auxiliary magnet cavity is fixedly connected with a contact block which can be in contact with the narrow auxiliary magnet, the narrow auxiliary magnet is fixedly connected with the sliding plate and provided with a sliding plate pull rope, and the inner wall of the fan cavity is fixedly connected with a heating net.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110017231.3A CN112594835A (en) | 2021-01-07 | 2021-01-07 | Heating exhaust fan capable of automatically adjusting exhaust effect according to temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110017231.3A CN112594835A (en) | 2021-01-07 | 2021-01-07 | Heating exhaust fan capable of automatically adjusting exhaust effect according to temperature |
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Publication Number | Publication Date |
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CN112594835A true CN112594835A (en) | 2021-04-02 |
Family
ID=75207436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110017231.3A Withdrawn CN112594835A (en) | 2021-01-07 | 2021-01-07 | Heating exhaust fan capable of automatically adjusting exhaust effect according to temperature |
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CN (1) | CN112594835A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113720003A (en) * | 2021-10-08 | 2021-11-30 | 姚细云 | Green building with wisdom temperature control system |
-
2021
- 2021-01-07 CN CN202110017231.3A patent/CN112594835A/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113720003A (en) * | 2021-10-08 | 2021-11-30 | 姚细云 | Green building with wisdom temperature control system |
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