CN113250985A - Purification fan with temperature control mechanism - Google Patents
Purification fan with temperature control mechanism Download PDFInfo
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- CN113250985A CN113250985A CN202110549136.8A CN202110549136A CN113250985A CN 113250985 A CN113250985 A CN 113250985A CN 202110549136 A CN202110549136 A CN 202110549136A CN 113250985 A CN113250985 A CN 113250985A
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- air
- motor
- filter screen
- rear cover
- temperature control
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- 238000000746 purification Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000005485 electric heating Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 30
- 230000035939 shock Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 5
- 239000006096 absorbing agent Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
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- 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
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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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
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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
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a purification fan with a temperature control mechanism, which comprises a front cover and a motor, wherein the rear part of the front cover is fixedly provided with a rear cover, the front part of the front cover is embedded with a metal separation net, the bottom of the front cover is fixedly provided with a support leg, the rear part of the front cover is fixedly provided with a joint, the rear part of the joint is fixedly connected with an air guide pipe, the surface of one side of the rear cover is provided with a circulation hole, the inner side of the circulation hole is provided with a purification structure, the inner corner position of the rear cover is provided with a reversing structure, and the inner front part of the front cover is fixedly provided with an electric heating wire. The purification fan with the temperature control mechanism has the functions of internal circulation and external circulation switching, facilitates selection of the air inlet direction by using the indoor and outdoor air quality, facilitates replacement of the filter screen, facilitates later maintenance, can increase the damping effect on the motor, reduces the vibration force applied to the cover body, and reduces noise.
Description
Technical Field
The invention relates to the field of purification fans, in particular to a purification fan with a temperature control mechanism.
Background
The fan is a wind power generation device which is composed of a shell, a motor and fan blades as main components, and accessories such as a power supply and a control piece, wherein the motor works to drive the fan blades to rotate, the fan blades accelerate air behind the fan blades to blow out, and the fan blades can be arranged in rooms such as a factory building, a kitchen and the like and used for increasing air circulation;
firstly, the existing purification fan with the temperature control mechanism does not have a reversing function, and only can introduce the outside air into the room, so that the outside air replaces the indoor air, the indoor air cannot be directly purified, and when the outside air quality is very poor, the indoor air quality is influenced by continuously introducing the outside air, and the use is not facilitated; secondly, the filter screen of the existing purification fan with the temperature control mechanism is inconvenient to replace, the air is filtered due to purification, the filter screen is required to be used for filtering, and the filter screen is mixed with a lot of dust after long-term air filtering, so that the filtering effect is influenced, the filter screen needs to be regularly smoother and cleaner, the existing filter screen is installed in a screw mode, the operation is very troublesome when the filter screen is frequently replaced and cleaned, and the later maintenance is not facilitated; in addition, current purification fan that has temperature control mechanism does not possess shock-absorbing function, all adopts cross or hexagonal frame to fix the motor in cover body inboard central point generally and puts, but the motor during operation can produce strong vibrations, and the vibrations power can be conducted to cover body outside through cross or hexagonal frame for the cover body produces vibrations, and the cover body will produce strong noise when receiving the vibrations power, and the noise can seriously influence in-service use.
Disclosure of Invention
The invention mainly aims to provide a purification fan with a temperature control mechanism, which can effectively solve the problems in the background technology that: the existing purification fan with the temperature control mechanism does not have a reversing function, and only can introduce the outside air into a room, so that the outside air replaces the indoor air, the indoor air cannot be directly purified, and when the quality of the outside air is very poor, the quality of the indoor air is influenced and the use is not facilitated due to the fact that the outside air is continuously introduced; secondly, the filter screen of the existing purification fan with the temperature control mechanism is inconvenient to replace, the air is filtered due to purification, the filter screen is required to be used for filtering, and the filter screen is mixed with a lot of dust after long-term air filtering, so that the filtering effect is influenced, the filter screen needs to be regularly smoother and cleaner, the existing filter screen is installed in a screw mode, the operation is very troublesome when the filter screen is frequently replaced and cleaned, and the later maintenance is not facilitated; in addition, current purification fan that has temperature control mechanism does not possess shock-absorbing function, all adopts cross or hexagonal frame to fix the motor in cover body inboard central point generally and puts, but the motor during operation can produce strong vibrations, and the vibrations power can be conducted to cover body outside through cross or hexagonal frame for the cover body produces vibrations, and the cover body will produce strong noise when receiving the vibrations power, and the noise can seriously influence the technical problem of in-service use.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a purification fan with temperature control mechanism, includes front shroud and motor, the rear portion fixed mounting of front shroud has the rear shroud, the anterior embedding of front shroud is installed the metal and is separated the net, the bottom fixed mounting of front shroud has the landing leg, the rear portion fixed mounting of front shroud has the joint, the rear portion fixedly connected with guide duct that connects, the opening has been seted up to a side surface of rear shroud, the inboard of opening is equipped with purification structure, the inside turning position of rear shroud is equipped with the switching-over structure, the inside front portion position fixed mounting of front shroud has the heating wire, be equipped with bearing structure between motor and the rear shroud, the output shaft fixedly connected with flabellum of motor.
As a further scheme of the invention, the purification structure comprises a first limiting block, a filter screen, a second limiting block, a supporting seat, a connecting shaft, a barrier and a torsion spring, wherein the first limiting block is fixedly arranged at the top position inside the circulation hole, the second limiting block is fixedly arranged at the bottom position inside the circulation hole, the filter screen is arranged between the first limiting block and the second limiting block, the supporting seat is fixedly arranged at the front position of the rear cover in the circulation hole, the barrier is rotatably connected with the supporting seat through the connecting shaft, the torsion spring is sleeved outside the connecting shaft, and two ends of the torsion spring are respectively pressed on the barrier and the supporting seat.
As a further scheme of the invention, the number of the first limiting blocks is two, the two first limiting blocks are symmetrically arranged, and a limiting groove is formed between the two first limiting blocks.
As a further scheme of the invention, the shape of the barrier strip is L-shaped, and the protruding part of the barrier strip is symmetrical to the second limiting block in structure.
As a further scheme of the invention, the reversing structure comprises a shaft seat, a rotating shaft, a motor and a reversing plate, wherein the shaft seat is fixedly arranged at the inner corner position of the rear cover, the reversing plate is rotatably connected with the shaft seat through the rotating shaft, and the motor is fixedly arranged at the upper corner position of the rear cover.
As a further scheme of the invention, the output shaft of the motor is fixedly connected with the rotating shaft, and the number of the reversing structures is two.
As a further scheme of the invention, the supporting structure comprises a supporting rod, a shock-absorbing rod, an installation sleeve ring, a hollow groove, a limiting piece and a spring, wherein one end of the supporting rod is fixedly connected with the rear cover, the hollow groove is formed in the other end of the supporting rod, the limiting piece is fixedly connected to the other end of the shock-absorbing rod, the spring is placed in the hollow groove, and the installation sleeve ring is fixedly connected to the other end of the shock-absorbing rod.
As a further scheme of the invention, the number of the supporting rods, the number of the shock-absorbing rods, the number of the empty grooves, the number of the limiting pieces and the number of the springs are four, the mounting lantern ring is fixedly connected with the motor through bolts, and compressed air is filled in the empty grooves.
As a further scheme of the present invention, the purification fan with temperature control mechanism specifically comprises the following steps when in use:
the method comprises the following steps: when the electric heating wire works, the motor works to drive the fan blades to rotate, the fan blades rotate to suck outside air into the rear cover and then discharge the air from the metal separation net, the discharged air is heated by the electric heating wire, and the work of the electric heating wire is controlled by an external power supply, so that the heated temperature of the air can be controlled, and the purposes of ventilation and temperature control are fulfilled;
step two: the outside air guide pipe enters the inside of the joint and then is exhausted after passing through the rear cover, at the moment, the air entering the air guide pipe is outdoor air, when people need to recycle the indoor air, the motor can be started to work, the motor drives the rotating shaft to rotate, so that the reversing plate is driven to turn over, the reversing plate seals the circulation hole in the inner side of the joint in the rear surface of the rear cover, the circulation hole in the side surface of the rear cover is opened, the indoor air enters the inside of the rear cover through the circulation hole in the side surface, the internal circulation is realized, the motor works again to reset the reversing plate, and the external circulation is realized;
step three: when air enters the rear cover through the circulation hole, the air is filtered by the filter screen to filter dust and sundries in the air, so that the air is purified, after the air is used for a period of time, the barrier strip is held by hands to turn over by using the connecting shaft, so that the torsional spring is compressed, the barrier strip is driven to be separated from the filter screen, the filter screen can be taken out of the circulation hole at the moment, after a new filter screen is replaced, the filter screen is obliquely inserted into the limiting groove between the two first limiting blocks, one side of the filter screen is attached to the second limiting block, the barrier strip is loosened, the barrier strip is expanded by the elasticity of the torsional spring to compress the filter screen, and the replacement work of the filter screen is completed;
step four: when the motor works, the vibration force causes the installation lantern ring to apply pressure to the spring through the shock absorption rod, the spring is stressed and deformed, the shock absorption is carried out on the installation lantern ring, and the compressed air in the empty groove plays a damping role, so that the spring elasticity is prevented from shaking.
Compared with the prior art, the invention has the following beneficial effects:
through setting the reversing structure, the motor works, the motor drives the rotating shaft to rotate, so as to drive the reversing plate to turn over, the reversing plate plugs the circulation hole on the inner side of the joint on the rear surface of the rear cover, so as to open the circulation hole on the side surface of the rear cover, indoor air enters the interior of the rear cover through the circulation hole on the side surface, internal circulation is realized, the motor works again to reset the reversing plate, so that external circulation can be realized, people can conveniently change the air inlet direction according to indoor and outdoor air quality, the phenomenon that the outdoor air can only be introduced into the room to influence the indoor air quality when the outdoor air quality is very poor is avoided, the use is more facilitated, and the two circulation holes on the side surface of the rear cover are formed, so that the air inlet efficiency cannot be influenced;
through the arrangement of the purification structure, the barrier strip is held by hands to turn over by utilizing the connecting shaft, so that the torsional spring is compressed, the barrier strip is driven to be separated from the filter screen, the filter screen can be taken out of the circulation hole at the moment, after a new filter screen is replaced, the filter screen is obliquely inserted into the limiting groove between the two first limiting blocks, one side of the filter screen is attached to the second limiting block, the barrier strip is loosened, the barrier strip is expanded by the elasticity of the torsional spring, the filter screen is compressed, the replacement work of the filter screen is completed, the convenience of disassembling the filter screen is effectively increased, the filter screen is convenient to slide and clean, the later maintenance is facilitated compared with the traditional screw fixing mode, no external tool is needed during operation, and the effect of;
through setting up bearing structure, when motor work, the vibrations power leads to the installation lantern ring to exert pressure to the spring through the shock attenuation pole, and spring atress deformation to the shock attenuation of installation lantern ring, and the compressed air of dead slot inside has played the damping effect, avoids the spring force shake, can play excellent shock attenuation efficiency to the motor, and the vibrations of avoiding motor work production lead to rear cover and front shroud to produce vibrations, thereby avoids the phenomenon that front shroud and rear shroud produced a large amount of noises, improves use comfort.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a purification fan with a temperature control mechanism according to the present invention;
FIG. 2 is a top view of the internal mechanism of a purification fan with temperature control mechanism according to the present invention;
FIG. 3 is a schematic diagram showing the operation of a reversing plate of a purification fan with a temperature control mechanism according to the present invention;
FIG. 4 is a front view of the internal structure of a support rod of a purification fan with a temperature control mechanism according to the present invention;
FIG. 5 is an enlarged view of a purification structure of a purification fan with a temperature control mechanism according to the present invention;
fig. 6 is a diagram illustrating the disassembly of a filter screen of a purification fan with a temperature control mechanism according to the present invention.
In the figure: 1. a front cover; 2. a rear cover; 3. a metal screen; 4. a support leg; 5. a joint; 6. an air guide pipe; 7. a flow-through hole; 8. a purification structure; 9. a commutation structure; 10. a shaft seat; 11. a rotating shaft; 12. a motor; 13. a reversing plate; 14. an electric heating wire; 15. a support structure; 16. a support bar; 17. a shock-absorbing lever; 18. mounting a lantern ring; 19. a motor; 20. a fan blade; 21. an empty groove; 22. a limiting sheet; 23. a spring; 24. a first stopper; 25. filtering with a screen; 26. a second limiting block; 27. a supporting seat; 28. a connecting shaft; 29. blocking strips; 30. a torsion spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, a purification fan with a temperature control mechanism comprises a front cover 1 and a motor 19, wherein a rear cover 2 is fixedly installed at the rear part of the front cover 1, a metal separation net 3 is embedded and installed at the front part of the front cover 1, supporting legs 4 are fixedly installed at the bottom of the front cover 1, a joint 5 is fixedly installed at the rear part of the front cover 1, an air guide pipe 6 is fixedly connected at the rear part of the joint 5, a circulation hole 7 is formed in one side surface of the rear cover 2, a purification structure 8 is arranged on the inner side of the circulation hole 7, a reversing structure 9 is arranged at the inner corner position of the rear cover 2, an electric heating wire 14 is fixedly installed at the inner front part of the front cover 1, a support structure 15 is arranged between the motor 19 and the rear cover 2, and a fan blade 20 is fixedly connected to an output shaft of the motor 19;
the purification structure 8 comprises a first limiting block 24, a filter screen 25, a second limiting block 26, a support seat 27, a connecting shaft 28, a barrier strip 29 and a torsion spring 30, wherein the first limiting block 24 is fixedly arranged at the top position inside the circulation hole 7, the second limiting block 26 is fixedly arranged at the bottom position inside the circulation hole 7, the filter screen 25 is arranged between the first limiting block 24 and the second limiting block 26, the support seat 27 is fixedly arranged at the front position of the circulation hole 7 of the rear cover 2, the barrier strip 29 is rotatably connected with the support seat 27 through the connecting shaft 28, the torsion spring 30 is sleeved outside the connecting shaft 28, and two ends of the torsion spring 30 are respectively tightly pressed on the barrier strip 29 and the support seat 27; the number of the first limiting blocks 24 is two, the two first limiting blocks 24 are symmetrically arranged, a limiting groove is formed between the two first limiting blocks 24, and the limiting groove can play a role in limiting the filter screen 25; the shape of the barrier strip 29 is L-shaped, and the protruding part of the barrier strip 29 is structurally symmetrical to the second limiting block 26; the reversing structure 9 comprises a shaft seat 10, a rotating shaft 11, a motor 12 and a reversing plate 13, wherein the shaft seat 10 is fixedly arranged at the inner corner position of the rear cover 2, the reversing plate 13 is rotatably connected with the shaft seat 10 through the rotating shaft 11, and the motor 12 is fixedly arranged at the upper corner position of the rear cover 2; the output shaft of the motor 12 is fixedly connected with the rotating shaft 11, and the number of the reversing structures 9 is two; the supporting structure 15 comprises a supporting rod 16, a shock-absorbing rod 17, an installation sleeve ring 18, an empty groove 21, a limiting piece 22 and a spring 23, wherein one end of the supporting rod 16 is fixedly connected with the rear cover 2, the empty groove 21 is formed in the other end of the supporting rod 16, the limiting piece 22 is fixedly connected to the other end of the shock-absorbing rod 17, the spring 23 is placed in the empty groove 21, and the installation sleeve ring 18 is fixedly connected to the other end of the shock-absorbing rod 17; the number of the support rods 16, the shock absorption rods 17, the empty grooves 21, the limiting pieces 22 and the springs 23 is four, the mounting lantern ring 18 is fixedly connected with the motor 19 through bolts, and compressed air is filled in the empty grooves 21.
It should be noted that, when the purifying fan with temperature control mechanism is used, during operation, the motor 19 works to drive the fan blade 20 to rotate, the fan blade 20 rotates to suck the outside air into the rear cover 2, then the outside air is discharged from the metal separation net 3, the discharged air is heated by the heating wire 14, the operation of the heating wire 14 is controlled by the external power supply, the heated temperature of the air can be controlled, the purposes of ventilation and temperature control are achieved, the outside air guide duct 6 enters the joint 5 and then is discharged after passing through the rear cover 2, at this time, the air entering the air guide duct 6 is the outdoor air, when people need to circularly use the indoor air, the motor 12 can be started to work, the motor 12 drives the rotating shaft 11 to rotate, thereby driving the reversing plate 13 to turn over, so that the reversing plate 13 seals the circulation hole 7 on the inner side of the joint 5 on the rear surface of the rear cover 2, thereby opening the circulation hole 7 on the side of the rear cover 2, making the indoor air enter the rear cover 2 through the circulation hole 7 on the side, realizing the inner circulation, the motor 12 works again to reset the reversing plate 13, realizing the outer circulation, when the air enters the rear cover 2 through the circulation hole 7, being filtered by the filter screen 25, filtering the dust and sundries in the air, making the air purified, after using for a period of time, the hand-held barrier strip 29 is overturned by the connecting shaft 28, making the torsion spring 30 compressed, thereby driving the barrier strip 29 to break away from the filter screen 25, at this moment, taking the filter screen 25 out of the circulation hole 7, after replacing the new filter screen 25, obliquely inserting the filter screen 25 into the limit groove between the two first limit blocks 24, attaching one side of the filter screen 25 to the second limit block 26, loosening the barrier strip 29, the barrier strip 29 is expanded by the elasticity of the torsion spring 30, compressing the filter screen 25, completing the replacement work of the filter screen 25, when the motor 19 works, the vibration force causes the mounting sleeve ring 18 to apply pressure to the spring 23 through the shock absorption rod 17, the spring 23 is stressed and deformed to absorb shock for the mounting sleeve ring 18, and compressed air in the empty groove 21 plays a damping role to avoid elastic vibration of the spring 23.
According to the invention, the reversing structure 9 is arranged, the motor 12 works, the motor 12 drives the rotating shaft 11 to rotate, so that the reversing plate 13 is driven to turn over, the reversing plate 13 plugs the circulation hole 7 on the inner side of the joint 5 on the rear surface of the rear cover 2, the circulation hole 7 on the side surface of the rear cover 2 is opened, indoor air enters the rear cover 2 through the circulation hole 7 on the side surface, internal circulation is realized, the motor 12 works again to reset the reversing plate 13, external circulation can be realized, people can conveniently change the air entering direction according to indoor and outdoor air quality, the phenomenon that the outdoor air can only be introduced into the room to influence the indoor air quality when the outdoor air quality is very poor is avoided, the use is more facilitated, and the two circulation holes 7 on the side surface of the rear cover 2 are formed, so that the air entering efficiency is not influenced; through the arrangement of the purification structure 8, the handheld barrier strip 29 is turned over by the connecting shaft 28, so that the torsion spring 30 is compressed, the barrier strip 29 is driven to be separated from the filter screen 25, the filter screen 25 can be taken out of the circulation hole 7 at the moment, the filter screen 25 is obliquely inserted into the limiting groove between the two first limiting blocks 24 after a new filter screen 25 is replaced, one side of the filter screen 25 is attached to the second limiting block 26, the barrier strip 29 is loosened, the barrier strip 29 is expanded by the elasticity of the torsion spring 30, the filter screen 25 is tightly pressed, the replacement work of the filter screen 25 is completed, the convenience of disassembling the filter screen 25 is effectively increased, the filter screen 25 is convenient to slide and clean, the later maintenance is facilitated compared with the traditional screw fixing mode, no external tool is needed during operation, and the borrowing effect of real-time maintenance can be realized; through setting up bearing structure 15, in the time of motor 19 work, the shaking force leads to the installation lantern ring 18 to exert pressure to spring 23 through shock-absorbing rod 17, spring 23 atress deformation, to the shock attenuation of installation lantern ring 18, the inside compressed air of dead slot 21 has played the damping effect, avoid the shake of spring 23 elasticity, can play excellent shock attenuation efficiency to motor 19, the vibrations of avoiding motor 19 work production lead to rear cover 2 and front shroud 1 to produce vibrations, thereby avoid front shroud 1 and rear shroud 2 to produce the phenomenon of a large amount of noises, and the use comfort is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a purify fan with temperature-controlled mechanism which characterized in that: comprises a front cover (1) and a motor (19), a rear cover (2) is fixedly arranged at the rear part of the front cover (1), the front part of the front cover (1) is embedded with a metal separation net (3), the bottom of the front cover (1) is fixedly provided with supporting legs (4), the rear part of the front cover (1) is fixedly provided with a joint (5), the rear part of the joint (5) is fixedly connected with an air guide pipe (6), a circulation hole (7) is arranged on one side surface of the rear cover (2), a purification structure (8) is arranged on the inner side of the circulation hole (7), a reversing structure (9) is arranged at the inner corner of the rear cover (2), an electric heating wire (14) is fixedly arranged at the inner front part of the front cover (1), a supporting structure (15) is arranged between the motor (19) and the rear cover (2), and fan blades (20) are fixedly connected to an output shaft of the motor (19).
2. The purification fan with temperature control mechanism as claimed in claim 1, wherein: purification structure (8) are including first stopper (24), filter screen (25), second stopper (26), supporting seat (27), even axle (28), blend stop (29) and torsional spring (30), first stopper (24) fixed mounting is in the inside top position of opening (7), second stopper (26) fixed mounting is in the inside bottom position of opening (7), filter screen (25) are located between first stopper (24) and second stopper (26), supporting seat (27) fixed mounting is in the place ahead position that is located opening (7) at rear cover (2), blend stop (29) are rotated through even axle (28) and supporting seat (27) and are connected, torsional spring (30) cover is established in the outside of even axle (28), and the both ends of torsional spring (30) compress tightly respectively in blend stop (29) and supporting seat (27).
3. The purification fan with temperature control mechanism as claimed in claim 2, wherein: the number of the first limiting blocks (24) is two, the two first limiting blocks (24) are symmetrically arranged, and a limiting groove is formed between the two first limiting blocks (24).
4. The purification fan with temperature control mechanism as claimed in claim 2, wherein: the shape of blend stop (29) is L font, the bulge and the second stopper (26) structural symmetry of blend stop (29).
5. The purification fan with temperature control mechanism as claimed in claim 1, wherein: the reversing structure (9) comprises a shaft seat (10), a rotating shaft (11), a motor (12) and a reversing plate (13), wherein the shaft seat (10) is fixedly installed at the inner corner position of the rear cover (2), the reversing plate (13) is rotatably connected with the shaft seat (10) through the rotating shaft (11), and the motor (12) is fixedly installed at the upper corner position of the rear cover (2).
6. The purification fan with temperature control mechanism as claimed in claim 1 or 2, wherein: the output shaft of the motor (12) is fixedly connected with the rotating shaft (11), and the number of the reversing structures (9) is two.
7. The purification fan with temperature control mechanism as claimed in claim 1, wherein: the utility model discloses a damping support structure, including bracing piece (16), shock absorber pole (17), the installation lantern ring (18), dead slot (21), spacing piece (22) and spring (23), the one end and the back shroud (2) fixed connection of bracing piece (16), inside the other end at bracing piece (16) was seted up in dead slot (21), the other end at shock absorber pole (17) is fixed to spacing piece (22), the inside at dead slot (21) is placed in spring (23), the other end at shock absorber pole (17) is fixed to the installation lantern ring (18).
8. The purification fan with temperature control mechanism as claimed in claim 7, wherein: the supporting rod (16), the shock-absorbing rod (17), the empty groove (21), the limiting sheet (22) and the spring (23) are four in number, the mounting sleeve ring (18) is fixedly connected with the motor (19) through bolts, and compressed air is filled in the empty groove (21).
9. The purification fan with temperature control mechanism as claimed in any one of claims 1 to 8, wherein: the purification fan with the temperature control mechanism specifically comprises the following steps when in use:
the method comprises the following steps: when the electric heating wire works, the motor (19) works to drive the fan blades (20) to rotate, the fan blades (20) rotate to suck outside air into the rear cover (2), then the outside air is discharged from the metal separation net (3), the discharged air is heated by the electric heating wire (14), the work of the electric heating wire (14) is controlled through an external power supply, the heated temperature of the air can be controlled, and the purposes of ventilation and temperature control are fulfilled;
step two: the outside air guide pipe (6) enters the joint (5) and then is discharged through the rear cover (2), at the moment, the air entering the air guide pipe (6) is outdoor air, when people need to recycle the indoor air, the motor (12) can be started to work, the motor (12) drives the rotating shaft (11) to rotate, so that the reversing plate (13) is driven to turn over, the reversing plate (13) plugs the circulation hole (7) on the inner side of the joint (5) on the rear surface of the rear cover (2), the circulation hole (7) on the side surface of the rear cover (2) is opened, the indoor air enters the inside of the rear cover (2) through the circulation hole (7) on the side surface, the internal circulation is realized, and the motor (12) works again to reset the reversing plate (13), so that the external circulation is realized;
step three: when air enters the rear cover (2) through the circulation hole (7), the air is filtered by the filter screen (25), dust and sundries in the air are filtered, the air is purified, after the air is used for a period of time, the hand-held barrier strip (29) is turned over by the connecting shaft (28), the torsion spring (30) is compressed, the barrier strip (29) is driven to be separated from the filter screen (25), the filter screen (25) can be taken out of the circulation hole (7), after a new filter screen (25) is replaced, the filter screen (25) is obliquely inserted into the limiting groove between the two first limiting blocks (24), one side of the filter screen (25) is attached to the second limiting block (26), the barrier strip (29) is loosened, the barrier strip (29) is expanded by the elasticity of the torsion spring (30), the filter screen (25) is compressed, and the replacement work of the filter screen (25) is completed;
step four: when the motor (19) works, the vibration force causes the mounting sleeve ring (18) to apply pressure to the spring (23) through the shock absorption rod (17), the spring (23) is stressed and deformed to absorb shock of the mounting sleeve ring (18), and compressed air in the empty groove (21) plays a damping role to avoid elastic vibration of the spring (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549136.8A CN113250985A (en) | 2021-05-20 | 2021-05-20 | Purification fan with temperature control mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110549136.8A CN113250985A (en) | 2021-05-20 | 2021-05-20 | Purification fan with temperature control mechanism |
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| CN113250985A true CN113250985A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110549136.8A Pending CN113250985A (en) | 2021-05-20 | 2021-05-20 | Purification fan with temperature control mechanism |
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