CN217602988U - Cable-free transmission air adjusting plate component, fan and gas water heater - Google Patents
Cable-free transmission air adjusting plate component, fan and gas water heater Download PDFInfo
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- CN217602988U CN217602988U CN202221828616.4U CN202221828616U CN217602988U CN 217602988 U CN217602988 U CN 217602988U CN 202221828616 U CN202221828616 U CN 202221828616U CN 217602988 U CN217602988 U CN 217602988U
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Abstract
The utility model discloses a no cable driven air register board subassembly, fan and gas heater, no cable driven air register board subassembly is including setting up mount pad, centrifugal carousel, a plurality of sliding plates, a plurality of interior permanent magnet and a plurality of outer permanent magnet on the fan, and interior permanent magnet slides along its radial on centrifugal carousel in this scheme, adopts this kind of mode, and interior permanent magnet receives centrifugal action, can outwards move on the shortest path, and the outside or inside activity of interior permanent magnet can be acted on outer permanent magnet through magnetism fast, and outer permanent magnet and sliding plate reaction are more sensitive; interior permanent magnet passes through magnetic interaction with outer permanent magnet to non-contact's transmission mode promotes the sliding plate activity, and is first, can effectively reduce the friction among the transmission process, and noise reduction improves transmission efficiency, and second, this scheme structure is retrencied, has reduced structure volume and quality greatly, is convenient for maintain.
Description
Technical Field
The utility model relates to a fan correlation field, in particular to no driven air register subassembly of cable, fan and gas heater.
Background
A fan in a gas water heater is used for providing oxygen required by combustion for the water heater or discharging waste gas generated by combustion.
The size of a vent of an air inlet of the existing fan is fixed, so the size of the air inlet cannot be adjusted according to needs, when the air exhaust volume of the fan needs to be increased, the rotation speed of blades can only be increased, the air inlet with the fixed size becomes a key factor for preventing the increase of the air inlet volume, the air speed cannot be increased quickly and efficiently, the ventilation volume is increased, the waste gas discharge efficiency of a gas water heater is not high, and waste gas leaks indoors more seriously; the fan speed of airing exhaust is low, and gas heater intake air is few, leads to the natural gas burning inadequately easily, causes gaseous extravagant on the one hand, and on the other hand, produces harmful gas such as carbon monoxide easily, easily causes serious harm to user's health.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the first technical problem that solves is fixed for overcoming prior art well fan air intake size, and the fan can not be discharged air for gas heater high-efficiently, and exhaust emission or air suction speed are slow to lead to waste gas to leak in the room easily or the defect that gas combustion efficiency is not high.
The utility model discloses a solve first technical problem, provide a no cable driven air adjusting plate subassembly.
The utility model provides a technical scheme that first technical problem adopted is: a cable-free transmission air adjusting plate component is applied to a fan and comprises a mounting seat, a centrifugal turntable, a plurality of sliding plates, a plurality of inner permanent magnets and a plurality of outer permanent magnets, wherein the mounting seat, the centrifugal turntable, the sliding plates, the inner permanent magnets and the outer permanent magnets are arranged on the fan;
the mounting base is provided with an air inlet, the centrifugal turntable is arranged at the air inlet, the sliding plates are laid on the mounting base and distributed around the centrifugal turntable, and the sliding plates can move from the center of the centrifugal turntable to the periphery so as to adjust the ventilation area of the air inlet;
the outer permanent magnets correspond to the inner permanent magnets one to one, the inner permanent magnets move on the centrifugal turntable along the radial direction of the centrifugal turntable along with the rotation of the centrifugal turntable, and the outer permanent magnets and the sliding plates are driven to move outwards or inwards along the radial direction of the centrifugal turntable by utilizing magnetism so as to change the size of the ventilation area of the air inlet.
In the scheme, the impeller of the fan can drive the centrifugal turntable to rotate, the faster the centrifugal turntable rotates, the longer the distance of the inner permanent magnet moving outwards along the radial direction of the centrifugal turntable is, the outer permanent magnet is under the action of magnetic force to drive the sliding plate to slide outwards, and the ventilation area of the air inlet is increased, so that the air inlet can automatically adjust the air inlet area according to the rotating speed of the impeller along with the increase of the rotating speed of the fan blades; by adopting the scheme, the air inlet resistance can be effectively reduced, the air exhaust amount of the fan is increased, the problem that the exhaust gas of the gas water heater leaks indoors due to the small air exhaust amount of the fan is avoided, and the defect that the combustion efficiency of the natural gas in the gas water heater is low can be overcome by increasing the air exhaust amount;
in the scheme, the inner permanent magnet slides on the centrifugal turntable along the radial direction of the centrifugal turntable, and by adopting the mode, the inner permanent magnet can move outwards on the shortest path under the centrifugal action, the outward or inward movement of the inner permanent magnet can be quickly acted on the outer permanent magnet through magnetism, and the outer permanent magnet and the sliding plate react more sensitively;
interior permanent magnet passes through magnetic interaction with outer permanent magnet to non-contact's transmission mode promotes the sliding plate activity, increases or reduces the draught area of air intake, and is first, can effectively reduce the friction among the transmission process, and the noise reduction improves transmission efficiency, and the second, this scheme structure is retrencied, has reduced structure volume and quality greatly, is convenient for maintain.
Preferably, the centrifugal turntable is provided with a plurality of sliding grooves, the inner permanent magnets correspond to the sliding grooves one by one, and each inner permanent magnet further comprises a sliding convex body which slides in the corresponding sliding groove.
In this scheme, interior permanent magnet has realized interior permanent magnet gliding purpose on centrifugal carousel through the cooperation between slip convex body and the spout, and the spout has played interior permanent magnet direction and spacing effect.
Preferably, the length direction of the chute extends along the radial direction of the centrifugal turntable.
In this scheme, through further injecing spout length direction, the slip convex body slides in the spout, and the radial activity of centrifugal carousel is followed to permanent magnet in the slip convex body drives.
Preferably, the sliding convex body is cylindrical, and the inner permanent magnet can rotate in the sliding groove through the cylindrical sliding convex body.
In this scheme, the slip convex body can rotate and slide in the spout, and interior permanent magnet is under the drive of slip convex body, except can following centrifugal carousel radial movement, can also rotate on the centrifugal carousel again, and the advantage is that, interior permanent magnet is through rotating certain angle, can finely tune its and the clearance between the outer permanent magnet adaptively to adjust the magnetic force on applying outer permanent magnet to interior permanent magnet, make the removal of outer permanent magnet and sliding plate more smooth-going.
Preferably, the opposite sides of the inner permanent magnet and the outer permanent magnet have the same polarity, so as to generate mutually repulsive magnetic force.
In the scheme, the inner permanent magnet pushes the outer permanent magnet and the sliding plate to move outwards through repulsive force.
Preferably, a plurality of the inner permanent magnets are uniformly circumferentially distributed on the centrifugal rotor disk, and a plurality of the outer permanent magnets are uniformly circumferentially distributed on a plurality of the sliding plates.
In the scheme, the inner permanent magnet and the outer permanent magnet are uniformly distributed on the circumference, so that the magnetic field is uniformly distributed, when the centrifugal turntable rotates, the resistance of the centrifugal turntable from magnetic force is stable, the load applied to the fan impeller in the rotating process is stable, and the service life of the fan is prolonged; in addition, in the rotating process of the inner permanent magnet, the repulsive force of the outer permanent magnet is not changed greatly in the process that the outer permanent magnet moves outwards under the repulsive force of the inner permanent magnet, and the outer permanent magnet can drive the sliding plate to move stably inside and outside, so that the sliding plate is prevented from continuously jumping inside and outside on the mounting seat, and the noise is reduced.
Preferably, the cable-less transmission air adjusting plate assembly further comprises an inner pre-tightening spring, the inner permanent magnet further comprises a spring clamping block, the inner pre-tightening spring is annular, and the inner pre-tightening spring sleeves the spring clamping blocks of the inner permanent magnets and pushes the inner permanent magnets to move towards the center of the centrifugal turntable for resetting.
In the scheme, the inner pre-tightening spring sleeves the inner permanent magnets through the spring clamping blocks, the inner pre-tightening spring can be extruded when the inner permanent magnets move outwards under the centrifugal action, and when the centrifugal action is reduced, the inner pre-tightening spring pushes the inner permanent magnets to move towards the center and reset;
the annular interior pretension spring entangles all interior permanent magnets, and the elastic force of applying on interior permanent magnet can keep the size unanimous, and the direction is inwards for spacing and the reseing of interior permanent magnet, the interior pretension spring that adopts annular structure has reduced part quantity greatly, simple structure, the maintenance of being convenient for.
Preferably, a movable groove is formed in the mounting seat, the sliding plate is provided with a sliding block, and the sliding block moves in the movable groove.
In the scheme, the sliding block is arranged to slide in the movable groove, so that the moving direction of the sliding plate on the mounting seat is limited.
Preferably, the wind adjustment plate assembly for the cable-free transmission further comprises an outer pre-tightening spring, the outer pre-tightening spring is annular, and the outer pre-tightening spring is sleeved on the sliding blocks of the sliding plates so as to push the sliding plates to move inwards and reset simultaneously.
In the scheme, the annular outer pre-tightening spring sleeves the sliding block of the sliding plate, and the annular outer pre-tightening spring can limit and reset all the sliding plates, so that the number of parts is greatly reduced, the structure is simple, and the maintenance is convenient.
Preferably, the sliding plates are fan-shaped, and a plurality of sliding plates can be spliced to form a circular ring.
In this scheme, the sliding plate adopts fan-shaped, and when the amalgamation formed the ring, can the at utmost cover in the air intake department of mount pad, keep out the wind effectually, keep off the sliding plate and outwards scatter, form first department ventilation gap between the sliding plate, form second department ventilation gap between sliding plate and the centrifugal turntable, conveniently enlarge the draught area of this device air intake.
Preferably, a ventilation groove is formed in the middle of the mounting seat, a ventilation flow passage is formed in the periphery of the ventilation groove of the mounting seat, the ventilation groove and the ventilation flow passage jointly form the air inlet, and the sliding plate can movably cover the ventilation flow passage so as to adjust the ventilation area of the air inlet.
In this scheme, the ventilation groove forms the air intake with the ventilation runner jointly, and during external wind can pass through ventilation groove air inlet to fan, the peripheral region in ventilation groove of ventilation runner position on the base, when the sliding plate to scattering all around, forms the clearance between the sliding plate, and wind energy circulates through this clearance and through the ventilation runner to enlarge the draught area of air intake.
The utility model discloses the second technical problem that solve is how to be used for above-mentioned no cable driven air register subassembly in the fan.
The utility model provides a fan for solve the second technical problem.
The utility model provides a technical scheme that second technical problem adopted is: a fan comprises the air adjusting plate component without the cable transmission.
In this scheme, be used for the fan with no cable driven air register subassembly, the impeller drive centrifugation carousel of fan rotates to the draught area in fan income wind gap is adjusted to adaptability.
The utility model discloses the third technical problem that solves is how to be used for gas heater with above-mentioned fan to solve the little problem of gas heater air volume.
The utility model provides a gas water heater for solving the third technical problem.
The utility model provides a technical scheme that third technical problem adopted is: a gas heater, it includes foretell fan.
In this scheme, be used for gas heater with air inlet area adjustable fan, can effectively improve gas heater's air permeability, avoid waste gas to pile up indoor, lead to indoor personnel to be poisoned, in addition, through increasing the intake, still can improve gas heater combustion efficiency.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in: the fan drives the centrifugal turntable to rotate, the faster the centrifugal turntable rotates, the longer the distance of the inner permanent magnet moving outwards along the radial direction of the centrifugal turntable is, the outer permanent magnet is under the action of magnetic force, the sliding plate is driven to slide outwards, and the ventilation area of the air inlet is increased, so that the air inlet can automatically increase the air inlet area along with the increase of the rotating speed of the fan blade; by adopting the scheme, the air inlet resistance can be effectively reduced, the air exhaust quantity of the fan is improved, the problem that the waste gas of the gas water heater leaks indoors due to the small air exhaust quantity of the fan is avoided, and the defect that the combustion efficiency of the natural gas in the gas water heater is low can be solved by increasing the air exhaust quantity;
in the scheme, the inner permanent magnet slides on the centrifugal turntable along the radial direction of the centrifugal turntable, and by adopting the mode, the inner permanent magnet can move outwards on the shortest path under the centrifugal action, the outward or inward movement of the inner permanent magnet can be quickly acted on the outer permanent magnet through magnetism, and the outer permanent magnet and the sliding plate react more sensitively;
interior permanent magnet passes through magnetic interaction with outer permanent magnet to non-contact's transmission mode promotes the sliding plate activity, increases or reduces the draught area of air intake, and is first, can effectively reduce the friction among the transmission process, and noise reduction improves transmission efficiency, and the second, this scheme structure retrencies, has reduced structure volume and quality greatly, is convenient for maintain.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an air adjusting plate for cableless transmission according to the present invention.
Fig. 2 is a schematic structural view of the centrifugal turntable of the present invention.
Fig. 3 is a schematic view of the sliding plate of the present invention.
Fig. 4 is a schematic structural diagram of the mounting seat of the present invention.
Fig. 5 is a schematic structural diagram of the inner permanent magnet of the present invention.
Description of reference numerals:
Centrifugal rotary table 11
Inner permanent magnet 13
Outer permanent magnet 14
Internal pre-tightening spring 18
External pre-tightening spring 22
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
Fig. 1 to 5 show an embodiment of a cable-less transmission air adjusting plate of the present invention, a cable-less transmission air adjusting plate assembly, which is applied to a fan, the cable-less transmission air adjusting plate assembly includes a mounting base 10 disposed on the fan, a centrifugal turntable 11, a plurality of sliding plates 12, a plurality of inner permanent magnets 13 and a plurality of outer permanent magnets 14;
the mounting base 10 is provided with an air inlet 15, the centrifugal turntable 11 is arranged at the air inlet 15, the plurality of sliding plates 12 are laid on the mounting base 10 and distributed around the centrifugal turntable 11, and the plurality of sliding plates 12 can move from the center of the centrifugal turntable 11 to the periphery so as to adjust the ventilation area of the air inlet 15;
the outer permanent magnets 14 correspond to the inner permanent magnets 13 one by one, the inner permanent magnets 13 move on the centrifugal turntable 11 along the radial direction of the centrifugal turntable 11 along with the rotation of the centrifugal turntable 11, and the outer permanent magnets 14 and the sliding plates 12 are driven to move outwards or inwards along the radial direction of the centrifugal turntable 11 by utilizing magnetism, so that the size of the ventilation area of the air inlet 15 is changed.
As shown in fig. 1, in this example, a centrifugal turntable 11 is connected to an impeller shaft of a fan, the impeller rotates to drive the centrifugal turntable 11 to rotate, an inner permanent magnet 13 is subject to centrifugal action and moves outwards along a radial direction from the center of the centrifugal turntable 11, the inner permanent magnet 13 magnetically pushes an outer permanent magnet 14 and a sliding plate 12 to move outwards, and a plurality of sliding plates 12 move around from the center of the centrifugal turntable 11 to enlarge or reduce the ventilation area of an air inlet 15;
the fan drives the centrifugal turntable 11 to rotate, the faster the centrifugal turntable 11 rotates, the longer the distance that the inner permanent magnet 13 moves outwards along the radial direction of the centrifugal turntable 11 is, the outer permanent magnet 14 is under the action of magnetic force, the more the sliding plate 12 is driven to slide outwards, and the ventilation area of the air inlet 15 is increased, so that the air inlet 15 can automatically increase the air inlet area along with the increase of the rotating speed of the fan blade; by adopting the scheme, the air inlet resistance can be effectively reduced, the air exhaust quantity of the fan is improved, the problem that the waste gas of the gas water heater leaks indoors due to the small air exhaust quantity of the fan is avoided, and the defect that the combustion efficiency of the natural gas in the gas water heater is low can be solved by increasing the air exhaust quantity;
in the embodiment, the inner permanent magnet 13 slides on the centrifugal turntable 11 along the radial direction thereof, and by adopting the mode, the inner permanent magnet 13 is subjected to centrifugal action and can move outwards on the shortest path, the outward or inward movement of the inner permanent magnet 13 can be quickly acted on the outer permanent magnet 14 through magnetism, and the outer permanent magnet 14 and the sliding plate 12 react more sensitively;
interior permanent magnet 13 passes through magnetic interaction with outer permanent magnet 14 to non-contact's transmission mode promotes sliding plate 12 activity, increases or reduces the draught area of air intake 15, and is first, can effectively reduce the friction among the transmission process, and the noise reduction improves transmission efficiency, and the second, this scheme structure is retrencied, has reduced structure volume and quality greatly, is convenient for maintain.
As shown in fig. 2, preferably, the centrifugal rotor 11 is provided with a plurality of sliding grooves 16, the inner permanent magnets correspond to the sliding grooves 16 one by one, the inner permanent magnet 13 further includes a sliding protrusion 17, and the sliding protrusion 17 slides in the sliding grooves 16.
In this example, the inner permanent magnet 13 is matched with the sliding protrusion 17 and the sliding groove 16, so that the inner permanent magnet 13 slides on the centrifugal turntable 11, and the sliding groove 16 plays a role in guiding and limiting the inner permanent magnet 13.
As shown in fig. 2, the chute 16 preferably has a length direction extending in a radial direction of the centrifugal rotor 11.
In this example, by further limiting the length direction of the sliding slot 16, the sliding protrusion 17 slides in the sliding slot 16, and the sliding protrusion 17 drives the inner permanent magnet 13 to move along the radial direction of the centrifugal turntable 11.
As shown in fig. 5, it is preferable that the sliding protrusion 17 has a cylindrical shape, and the inner permanent magnet 13 is rotatable in the sliding groove 16 by the cylindrical sliding protrusion 17.
In this example, the sliding protrusion 17 can rotate and slide in the sliding slot 16, the inner permanent magnet 13 can move along the radial direction of the centrifugal turntable 11 under the driving of the sliding protrusion 17, and can also rotate on the centrifugal turntable 11, the gap between the inner permanent magnet 13 and the outer permanent magnet 14 can be adjusted in a self-adaptive manner by rotating a certain angle, so that the magnetic force applied to the outer permanent magnet 14 by the inner permanent magnet 13 is adjusted, and the outer permanent magnet 14 and the sliding plate 12 can move more smoothly.
Preferably, the opposite sides of the inner permanent magnets 13 and the outer permanent magnets 14 are of the same polarity to produce a magnetic force that repels each other.
In this example, the inner permanent magnet 13 pushes the outer permanent magnet 14 and the sliding plate 12 to move outward by repulsive force.
As shown in fig. 1, it is preferable that a plurality of inner permanent magnets 13 are uniformly circumferentially distributed on the centrifugal rotor disk 11 and a plurality of outer permanent magnets 14 are uniformly circumferentially distributed on the plurality of sliding plates 12.
In the embodiment, the inner and outer permanent magnets 14 are uniformly distributed on the circumference, so that the magnetic field distribution is uniform, when the centrifugal turntable 11 rotates, the resistance from the magnetic force is stable, the load on the rotation of the fan impeller is stable, and the service life of the fan is prolonged; in addition, in the process that the inner permanent magnet 13 rotates, the repulsive force of the outer permanent magnet 14 is not changed greatly in the process that the outer permanent magnet 14 moves outwards under the repulsive force of the inner permanent magnet 13, and the outer permanent magnet 14 can drive the sliding plate 12 to move stably inside and outside, so that the sliding plate 12 is prevented from continuously jumping inside and outside on the mounting base 10, and the noise is reduced.
As shown in fig. 2, preferably, the air adjusting plate assembly with cableless transmission further includes an inner pre-tightening spring 18, the inner permanent magnet 13 further includes a spring clamping block 19, the inner pre-tightening spring 18 is annular, and the inner pre-tightening spring 18 sleeves the spring clamping blocks 19 of the plurality of inner permanent magnets 13 and pushes the inner permanent magnets 13 to move and reset towards the center of the centrifugal rotor disk 11.
In this example, the inner pre-tightening spring 18 is used for sheathing a plurality of inner permanent magnets 13 through the spring clamping block 19, when the inner permanent magnets 13 move outwards under the centrifugal action, the inner pre-tightening spring 18 can be extruded, and when the centrifugal action is reduced, the inner pre-tightening spring 18 pushes the inner permanent magnets 13 to move towards the center and reset;
the annular inner pre-tightening springs 18 sleeve all the inner permanent magnets 13, the elastic force applied to the inner permanent magnets 13 can keep the same size and the direction facing inwards, and the inner pre-tightening springs 18 are used for limiting and resetting the inner permanent magnets 13, so that the number of parts is greatly reduced, the structure is simple, and the maintenance is convenient.
As shown in fig. 4 and 3, it is preferable that a movable groove 20 is formed on the mounting base 10, the sliding plate 12 has a sliding block 21, and the sliding block 21 moves in the movable groove 20.
In this example, the slide block 21 is arranged to slide in the movable slot 20, so that the moving direction of the slide plate 12 on the mounting block 10 is defined.
As shown in fig. 3, the wind deflector assembly of the cordless transmission preferably further comprises an outer pre-tightening spring 22, wherein the outer pre-tightening spring 22 is ring-shaped, and the outer pre-tightening spring 22 is sleeved on the sliding blocks 21 of the sliding plates 12 to push the sliding plates 12 to move inwards and return at the same time.
In this example, the annular external pre-tightening spring 22 is sleeved on the sliding block 21 of the sliding plate 12, and the annular external pre-tightening spring 22 can limit and reset all the sliding plates 12, so that the number of parts is greatly reduced, the structure is simple, and the maintenance is convenient.
Preferably, the sliding plates 12 are fan-shaped, and a plurality of sliding plates 12 can be spliced to form a circular ring.
In this example, the sliding plate 12 is fan-shaped, and when the circular ring is formed by splicing, the sliding plate can be covered at the air inlet 15 of the mounting base 10 to the greatest extent, so that the wind shielding effect is good, the sliding plate 12 is prevented from being scattered outwards, a first ventilation gap is formed between the sliding plates 12, a second ventilation gap is formed between the sliding plates 12 and the centrifugal turntable 11, and the ventilation area of the air inlet 15 of the device is conveniently enlarged.
As shown in fig. 4 and fig. 1, preferably, a ventilation groove 23 is formed in the middle of the mounting base 10, a ventilation flow passage 24 is formed around the ventilation groove 23 of the mounting base 10, the ventilation groove 23 and the ventilation flow passage 24 jointly form the air inlet 15, and the sliding plate 12 can movably cover the ventilation flow passage 24 to adjust the ventilation area of the air inlet 15.
In this example, the ventilation channel 23 and the ventilation channel 24 together form the air inlet 15, external wind energy enters the fan through the ventilation channel 23, the ventilation channel 24 is located in the peripheral area of the ventilation channel 23 on the base, when the sliding plate 12 is scattered to the periphery, a gap is formed between the sliding plates 12, and the wind energy circulates through the gap and the ventilation channel 24 to enlarge the ventilation area of the air inlet 15.
The example also provides a fan, which comprises the centrifugally driven air adjusting plate component and a fan body;
specifically, an air inlet is formed in the fan body, the fan is provided with a rotating shaft connected with the centrifugal turntable 11, and the centrifugally driven air adjusting plate assembly is arranged at the air inlet;
the blower body comprises a rotatable impeller, and one end of the impeller is connected with the rotating shaft.
In this example, the air adjusting plate assembly without cable transmission is used for the fan, and the impeller of the fan drives the centrifugal turntable 11 to rotate, so that the ventilation area of the air inlet of the fan is adjusted adaptively.
This example also proposes a gas water heater, which includes the above-mentioned fan.
In this example, be used for gas heater with air inlet area adjustable fan, can effectively improve gas heater's air permeability, avoid waste gas to pile up indoor, lead to indoor personnel to be poisoned, in addition, through increasing the intake, still can improve gas heater combustion efficiency.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments can be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (13)
1. The utility model provides a no cable driven air register subassembly, its is applied to fan, its characterized in that: the cable-free transmission air adjusting plate component comprises a mounting seat arranged on the fan, a centrifugal turntable, a plurality of sliding plates, a plurality of inner permanent magnets and a plurality of outer permanent magnets;
the mounting base is provided with an air inlet, the centrifugal turntable is arranged at the air inlet, the plurality of sliding plates are laid on the mounting base and distributed around the centrifugal turntable, and the plurality of sliding plates can move from the center of the centrifugal turntable to the periphery so as to adjust the ventilation area of the air inlet;
the outer permanent magnets correspond to the inner permanent magnets one by one, the inner permanent magnets move on the centrifugal turntable along the radial direction of the centrifugal turntable along with the rotation of the centrifugal turntable, and the outer permanent magnets and the sliding plates are driven to move outwards or inwards along the radial direction of the centrifugal turntable by magnetism so as to change the size of the ventilation area of the air inlet.
2. The untethered damper assembly of claim 1, wherein: the centrifugal turntable is provided with a plurality of sliding grooves, the inner permanent magnets correspond to the sliding grooves one to one, the inner permanent magnets further comprise sliding convex bodies, and the sliding convex bodies slide in the sliding grooves.
3. The untethered damper assembly of claim 2, wherein: the length direction of the chute extends along the radial direction of the centrifugal turntable.
4. The untethered damper assembly of claim 2, wherein: the sliding convex body is cylindrical, and the inner permanent magnet can rotate in the sliding groove through the cylindrical sliding convex body.
5. The untethered damper assembly of claim 1, wherein: the opposite sides of the inner permanent magnet and the outer permanent magnet have the same polarity so as to generate mutually repulsive magnetic force.
6. The untethered damper assembly of claim 1, wherein: the plurality of inner permanent magnets are uniformly circumferentially distributed on the centrifugal rotor disc, and the plurality of outer permanent magnets are uniformly circumferentially distributed on the plurality of sliding plates.
7. The untethered damper assembly of claim 1, wherein: the wind adjusting plate component for the cableless transmission further comprises an inner pre-tightening spring, the inner permanent magnet further comprises a spring clamping block, the inner pre-tightening spring is annular, the inner pre-tightening spring sleeves the spring clamping blocks of the inner permanent magnets and pushes the inner permanent magnets to move towards the center of the centrifugal turntable to reset.
8. The untethered damper assembly of claim 1, wherein: the mounting seat is provided with a movable groove, the sliding plate is provided with a sliding block, and the sliding block moves in the movable groove.
9. The untethered damper assembly of claim 8, wherein: the wind adjusting plate component for the cableless transmission further comprises an outer pre-tightening spring, the outer pre-tightening spring is annular, and the outer pre-tightening spring sleeves the sliding blocks of the sliding plates so as to push the sliding plates to move inwards and reset simultaneously.
10. The untethered damper assembly of claim 1, wherein: the sliding plates are fan-shaped, and a plurality of sliding plates can be spliced to form a circular ring.
11. The untethered damper assembly of claim 1, wherein: the air inlet is formed in the middle of the mounting seat, the mounting seat is located at the periphery of the ventilation groove, ventilation channels are formed in the periphery of the ventilation groove, the ventilation groove and the ventilation channels jointly form the air inlet, and the sliding plate can movably cover the ventilation channels so as to adjust the ventilation area of the air inlet.
12. A fan, its characterized in that: comprising a damper assembly according to any one of claims 1-11 for a cordless transmission.
13. A gas water heater, its characterized in that: comprising a fan according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221828616.4U CN217602988U (en) | 2022-07-15 | 2022-07-15 | Cable-free transmission air adjusting plate component, fan and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221828616.4U CN217602988U (en) | 2022-07-15 | 2022-07-15 | Cable-free transmission air adjusting plate component, fan and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602988U true CN217602988U (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221828616.4U Active CN217602988U (en) | 2022-07-15 | 2022-07-15 | Cable-free transmission air adjusting plate component, fan and gas water heater |
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| Country | Link |
|---|---|
| CN (1) | CN217602988U (en) |
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2022
- 2022-07-15 CN CN202221828616.4U patent/CN217602988U/en active Active
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