CN112412840B - Air supply device - Google Patents

Air supply device Download PDF

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Publication number
CN112412840B
CN112412840B CN201910785881.5A CN201910785881A CN112412840B CN 112412840 B CN112412840 B CN 112412840B CN 201910785881 A CN201910785881 A CN 201910785881A CN 112412840 B CN112412840 B CN 112412840B
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CN
China
Prior art keywords
fan blade
fan
air
air supply
magnetic
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Application number
CN201910785881.5A
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Chinese (zh)
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CN112412840A (en
Inventor
邱水兵
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Midea Group Co Ltd
GD Midea Environment Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
GD Midea Environment Appliances Manufacturing Co Ltd
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Priority to CN201910785881.5A priority Critical patent/CN112412840B/en
Publication of CN112412840A publication Critical patent/CN112412840A/en
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Publication of CN112412840B publication Critical patent/CN112412840B/en
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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
    • F04D29/002—Details, component parts, or accessories especially 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides an air supply device, comprising: a motor; the fan blade is of a hollow structure; the supporting structure is a hollow structure, a plurality of supporting parts are arranged on the supporting structure so as to limit the radial displacement of the fan blades through the plurality of supporting parts, and the hollow structure of the fan blades and/or the hollow structure of the supporting structure form an air passing channel so that air can flow from one end of the fan blades to the other end through the plurality of air passing channels; and two ends of the transmission device are respectively connected with the fan blade assembly and the output shaft of the motor so as to drive the transmission device to operate through the motor and drive the fan blade assembly to rotate, wherein the rotating axis of the fan blade assembly does not coincide with the axis of the output shaft of the motor. According to the technical scheme, when the fan blade assembly needs to be replaced or detached, the fan blade assembly and the part of the transmission device, which is arranged on the fan blade assembly, can be taken down together, so that the transmission device and the fan blade assembly can be detached conveniently, and the cleaning is convenient.

Description

Air supply device
Technical Field
The invention relates to the technical field of fans, in particular to an air supply device.
Background
At present, among the prior art, conventional fan all constitutes through inside and outside stator and the rotor of establishing of overlapping each other, when the fan rotates, it rotates to drive the flabellum through the pivot usually, thereby because the restriction of the structure of motor self, can increase the size of whole product at the axial direction, furthermore, current fan appears under spot or the adnexed condition of dust at the flabellum, motor drive flabellum rotation can blow the pollutant on the flabellum to in the air, produce the pollution to the air, if will wash the fan, the dismouting of motor and flabellum is comparatively loaded down with trivial details.
Disclosure of Invention
The present invention has been made to solve at least one of the problems occurring in the prior art or the related art.
In view of the above, an object of the present invention is to provide an air blowing device.
In order to achieve at least one of the above objects, according to an aspect of the present invention, there is provided an air blowing device including: a motor; a fan blade assembly, comprising: the fan blades are of hollow structures; the supporting structure is a hollow structure, a plurality of supporting parts are arranged on the supporting structure so as to limit the radial displacement of the fan blades through the plurality of supporting parts, and the hollow structure of the fan blades and/or the hollow structure of the supporting structure form an air passing channel so that air can flow from one end of the fan blades to the other end through the plurality of air passing channels; the fan blade assembly is driven to rotate by the motor driving device, wherein the fan blade assembly and the motor are detachably connected through the transmission device, and the rotating axis of the fan blade assembly does not coincide with the axis of the output shaft of the motor.
According to the air supply device provided by the invention, the two ends of the transmission device are respectively connected with the fan blade assembly and the output shaft of the motor, so that when the output shaft of the motor rotates, the transmission device drives the fan blade assembly to rotate, and air flows from one side of the fan blade assembly to the other side. Especially, the radial displacement of flabellum is restricted through a plurality of supporting parts that set up on the bearing structure to form the support to the flabellum, wherein, flabellum and bearing structure are hollow structure, in order to form the wind passageway through the hollow structure at flabellum and/or bearing structure, make the air can be passed through the wind passageway by the one end of flabellum and flow to the other end, thereby reduce the flabellum and block the air current, increase air supply arrangement's air-out air current, be favorable to keeping the stability of air-out air current. It can be understood that the conventional fan has no air passing channel at the position of the rotating shaft of the fan blade, and can locally block the air flow, so that the air flow at the air outlet side is supplemented to the middle due to the low pressure at the center, and further, the cyclone is generated, and the air flow is disturbed. Specifically, the air passage may be formed by the smaller one of the hollow structure of the fan blade and the hollow structure of the support structure, or may be formed by the hollow structure of the fan blade and the hollow structure of the support structure having the same size. It should be noted that the rotation axis of the fan blade assembly does not coincide with the axis of the output shaft of the motor, so that the output shaft of the motor can be flexibly located at a plurality of different positions relative to the rotation axis of the fan blade assembly, which is favorable for changing the relative position of the motor and the fan blade assembly according to different assembly requirements, and improving the application range of the air supply device. In addition, because the fan blade component can be taken down by the motor alone, the whole taken down fan blade component is not electrified, and therefore the fan blade component can be directly placed in water or cleaning solution for cleaning.
It should be noted that the transmission device may be, but is not limited to, a magnetic drive transmission device, a chain transmission device, a belt transmission device, and a gear transmission device.
Wherein, the one end that transmission links to each other with the flabellum subassembly is removable with the one end that transmission links to each other with the motor.
Wherein, the output shaft of a motor can be connected with two or more flabellum subassemblies through transmission to through a plurality of flabellum subassemblies of motor drive.
Wherein, a flabellum subassembly can pass through the output shaft of transmission connection a plurality of motors to through the rotation of a plurality of motor drive flabellum subassemblies.
In the above technical solution, the support structure includes: the supporting part is arranged on the inner side of the fan blade along the radial direction, and the rotating surface of the supporting part is propped against the inner side wall of the fan blade, and/or the supporting part is arranged on the outer side of the fan blade along the radial direction, and the rotating surface of the supporting part is propped against the outer side wall of the fan blade.
In the technical scheme, the supporting mechanism comprises a supporting frame and a plurality of supporting parts which are rotatably arranged on the supporting frame, the supporting part is of a hollow structure, the supporting parts are radially arranged on the inner sides of the fan blades, and the rotating surfaces of the supporting parts are abutted against the inner side walls of the fan blades, so that the supporting parts form supporting force in multiple radially outward directions on the fan blades, the fan blades are supported, and the axial displacement of the fan blades is limited; or the rotating surface of the supporting part arranged on the outer side of the fan blade along the radial direction is abutted against the outer side wall of the fan blade, so that the supporting parts form supporting force along multiple inward radial directions on the fan blade, the fan blade is supported, and the axial displacement of the fan blade is limited; or, a plurality of supporting parts are arranged on the inner side and the outer side of the fan blade along the radial direction, and the rotating surfaces of the supporting parts are simultaneously abutted against the inner side wall and the outer side wall of the fan blade so as to support the fan blade and limit the axial displacement of the fan blade. When the fan blades rotate, the supporting parts can correspondingly rotate along with the fan blades, so that the friction force generated when the fan blades rotate is reduced, and the rotating efficiency is improved.
The supporting part can be cylindrical or spherical to generate rolling friction to the fan blades during rotation, and the friction resistance of the support is reduced.
In the above technical scheme, the support frame is provided with a plurality of support shafts extending along the axial direction of the fan blades, and each support part is rotatably arranged on each support shaft.
In the technical scheme, a plurality of supporting shafts extending along the axial direction of the fan blades are arranged on the supporting frame, and the supporting shafts are rotatably arranged on the supporting shafts through each supporting part, so that the supporting parts can rotate around the supporting shafts, and in the rotating process of the fan blades, the supporting parts rotate along with the fan blades, so that the fan blades and the supporting structure form rotatable connection, and the rotating friction force of the fan blades is reduced.
In the above technical solution, the method further comprises: the supporting limiting part is arranged at one end, far away from the supporting frame, of the supporting shaft, and the position of the supporting part on the supporting shaft is limited through the supporting limiting part.
In this technical scheme, be equipped with the support locating part through the one end of keeping away from the support frame at the back shaft to through supporting locating part restriction supporting part along the axial of back shaft towards the one side removal of keeping away from the support frame, and then prevent that supporting part and back shaft from taking place to break away from, in order to avoid influencing the support to the flabellum, be favorable to improving air supply arrangement's reliability.
In the above technical solution, the inner wall surface and/or the outer wall surface of the fan blade is provided with an axial limiting groove extending along the circumferential direction, and the support portion abuts against the inner wall surface and/or the outer wall surface of the fan blade in the axial limiting groove.
In the technical scheme, an axial limiting groove extending along the circumferential direction is arranged on the inner side wall or the outer side wall of the fan blade, and a supporting part is abutted against the inner side wall surface or the outer side wall surface of the fan blade in the axial limiting groove; or the axial limiting grooves extending along the circumferential direction are formed in the inner side wall and the outer side wall of the fan blade, and the supporting part is abutted to the inner side wall and the outer side wall of the fan blade in the axial limiting grooves, so that the supporting part rolls relative to the fan blade in the axial limiting grooves when the fan blade rotates, and the axial relative movement of the supporting part and the fan blade in the fan blade is limited through the matching of the inner side wall and the outer side wall of the fan blade and the supporting part, and the axial movement of the fan blade along the fan blade is limited.
In the above technical scheme, the support frame is arranged in the fan blade, and the rotating surface of the support part is abutted against the inner side wall of the fan blade, wherein the hollow structure of the support structure forms an air passage.
In this technical scheme, the support frame is located in the flabellum, and the size of support frame is less than the hollow structure's of flabellum size promptly, and the support frame is whole to be located in the hollow structure of flabellum, and a plurality of supporting parts set up along the radial of support frame, and the rolling plane of every supporting part offsets with the inside wall of flabellum to form the holding power along radial a plurality of directions through a plurality of supporting parts to the inside wall of flabellum, thereby form the support to the flabellum, and restrict the axial displacement of flabellum. The hollow structure of the supporting structure forms an air passing channel, so that air can flow from one end of the fan blade to the other end through the air passing channel and is fused with air flow formed by the fan blade.
In the above technical solution, the fan blade further includes: the first spacing portion is arranged at the air outlet end of the inner side wall of the fan blade, and each supporting portion is abutted against the first spacing portion in the axial direction of the fan blade so as to limit the fan blade to move away from the air outlet end through the first spacing portion.
In this technical scheme, the air-out end through the inside wall at the flabellum is equipped with first spacing portion, and every supporting part all offsets with first spacing portion along the axial direction of flabellum to the restriction flabellum removes to the direction that the air-out end was kept away from along the axial. It can be understood that the flabellum stirs the air and flows to the air-out end at the rotation in-process, and the flabellum can produce the displacement to the direction that deviates from the air-out end under the effect of the reaction force of air current, leads to flabellum and supporting part to break away from easily.
In the above technical scheme, the flabellum is located in the support frame, and the rotating plane of supporting part offsets with the lateral wall of flabellum, and wherein, the hollow structure of flabellum forms the wind passageway.
In this technical scheme, the flabellum is located in the support frame, and the size of flabellum is less than the hollow structure's of support frame size promptly, and the flabellum is whole to be located in the hollow structure of support frame, and a plurality of supporting parts set up along the radial of support frame, and the rolling plane of every supporting part offsets with the lateral wall of flabellum to form the holding power of radial a plurality of directions through a plurality of supporting parts to the lateral wall of flabellum, thereby form the support to the flabellum, and restrict the axial displacement of flabellum. The hollow structure of the fan blade forms an air passing channel, so that air can flow from one end of the fan blade to the other end through the air passing channel and is fused with air flow formed by the fan blade.
In the above technical solution, the method further comprises: the second limiting part is arranged at the air outlet end of the outer side wall of the fan blade, and each supporting part is abutted against the second limiting part in the axial direction of the fan blade so as to limit the fan blade to move away from the air outlet end through the second limiting part.
In this technical scheme, be equipped with the spacing portion of second through the air-out end at the lateral wall of flabellum, and every supporting part all offsets with the spacing portion of second along the axial direction of flabellum to the restriction flabellum moves along the axial direction of keeping away from the direction of air-out end. It can be understood that the flabellum stirs the air and flows to the air-out end at the rotation in-process, and the flabellum can produce the displacement to the direction that deviates from the air-out end under the effect of the reaction force of air current, leads to flabellum and supporting part to break away from easily.
In the above technical scheme, the support frame is arranged at one end of the fan blade, and the plurality of support parts are arranged at one end of the support frame facing the fan blade, wherein the hollow structure of the support structure and the superposition part of the hollow structure of the fan blade form an air passing channel.
In this technical scheme, through locating the one end of flabellum with the support frame, the one end towards the flabellum on the support frame is located to a plurality of supporting parts, only through propping up the inside wall face or the outside wall face with a plurality of supporting parts and flabellum in order to carry out radial spacing to the flabellum, need not to follow the radial setting of flabellum with the support frame, can reduce the whole size along radial direction of flabellum. Wherein, the support frame is located the flabellum and is deviated from the other end of air-out end, reducible blockking of the air current to the air-out end on the one hand, and on the other hand is convenient for carry on spacingly to the flabellum.
In the above technical scheme, the rotating surface of at least one supporting part offsets with the inside wall of flabellum, and air supply arrangement still includes: the third limiting part is arranged at the air outlet end on the inner side wall of the fan blade, and the end part of the supporting part, which is abutted against the inner side wall of the fan blade, is abutted against the third limiting part in the axial direction of the fan blade.
In this technical scheme, the rotating face through at least one supporting part offsets with the inside wall face of flabellum to the air-out end at the inside wall of flabellum is equipped with the spacing portion of third, offsets with the supporting part that offsets with the inside wall of flabellum along axial direction and the spacing portion of third, realizes spacing the axial of flabellum, takes place to deviate from the axial displacement of air-out end direction in order to prevent the flabellum, avoids flabellum and supporting part to break away from or take place the possibility of interfering with the support frame.
In above-mentioned technical scheme, the rolling plane of at least one supporting part offsets with the lateral wall of flabellum, and air supply arrangement still includes: the fourth limiting part is arranged at an air outlet end on the outer side wall of the fan blade, and the end part of the supporting part, which is abutted against the outer side wall of the fan blade, is abutted against the fourth limiting part in the axial direction of the fan blade.
In the technical scheme, the rotating surface of at least one supporting part is abutted against the outer side wall surface of the fan blade, and a fourth limiting part is arranged at the air outlet end of the outer side wall of the fan blade, so that the supporting part abutted against the outer side wall of the fan blade is abutted against the fourth limiting part along the axial direction, the axial limitation of the fan blade is realized, the axial displacement deviating from the air outlet end direction of the fan blade is prevented, and the possibility of the interference between the fan blade and the supporting part or the interference between the fan blade and the supporting part is avoided.
In the above technical solution, the transmission specifically includes: the driving part comprises a plurality of first magnetic parts and is arranged on an output shaft of the motor; the driven piece is detachably connected with the driving piece and comprises a plurality of second magnetic pieces arranged on the fan blade assembly, the magnetic force of the first magnetic pieces drives the second magnetic pieces to rotate, so that the fan blade assembly is driven to rotate, wherein the polarities of any two adjacent first magnetic pieces are different, and the polarities of any two adjacent second magnetic pieces are different.
In the technical scheme, a plurality of first magnetic members are arranged on an output shaft of a motor, a plurality of second magnetic members are arranged on a fan blade assembly, when the output shaft of the motor rotates, the plurality of first magnetic members arranged on the output shaft of the motor rotate along with the output shaft of the motor, and the first magnetic members drive the plurality of second magnetic members to rotate through the magnetic attraction force and/or the repulsive force of interaction, so that the fan blade assembly is driven to rotate.
It should be noted that the plurality of first magnetic members drive the second magnetic member through the magnetic interaction force, so that the contact between the driving member and the driven member is avoided, on one hand, the fan blade assembly is conveniently and integrally detached from the motor, and on the other hand, the noise of the air supply device in the operation process can be reduced due to the absence of physical contact.
In the above technical solution, the driving member further includes: the rotating support is sleeved on an output shaft of the motor, and the plurality of first magnetic pieces are arranged along the circumferential direction of the rotating support.
In the technical scheme, the rotating support is arranged on the output shaft of the motor, the plurality of first magnetic parts are arranged on the rotating support along the axial direction of the rotating support, so that the plurality of first magnetic parts are fixedly connected to the output shaft of the motor, and the rotation of the output shaft of the motor drives the plurality of first magnetic parts to rotate.
In above-mentioned technical scheme, be equipped with a plurality of mounting grooves that extend along the axial direction of rotating bracket on the rotating bracket, first magnetic part is corresponding to be located in the mounting groove.
In this technical scheme, through locating first magnetic part in the mounting groove of the axial extension along rotating bracket, make first magnetic part can follow rotating bracket's axial setting, when avoiding first magnetic part to rotate along with the output shaft of motor, along rotating bracket's axial direction's removal, in addition, first magnetic part can be followed rotating bracket's axial direction and extended to increase the interact power of first magnetic part and second magnetic part when relative movement, thereby improve drive efficiency.
In the above technical scheme, the rotating bracket is provided with a plurality of mounting grooves extending along the radial direction of the rotating bracket, and the first magnetic part is correspondingly arranged in the mounting grooves.
In this technical scheme, through be equipped with a plurality of mounting grooves that extend along the radial direction of support on rotating movable support, locate first magnetic part in the mounting groove, when avoiding first magnetic part to rotate along with the output shaft of motor, along rotating movable support's radial direction's removal, in addition, first magnetic part can extend along rotating movable support's radial direction to increase the interact power of first magnetic part and second magnetic part when relative movement, thereby improve drive efficiency.
In the above technical scheme, the outer side surface and/or the inner side surface of the first magnetic member are/is a plane, and the shape of the mounting groove is matched with that of the first magnetic member.
In this technical scheme, lateral surface and/or medial surface through first magnetism spare are the plane, the shape and the first magnetism spare looks adaptation of mounting groove to do benefit to the assembly precision that improves first magnetism spare and mounting groove, make the initiative piece reduce rocking of first magnetism spare in the mounting groove at the rotation in-process, reduce air supply arrangement's noise at work.
In the above technical scheme, the outer side surface and/or the inner side surface of the first magnetic member are both arc surfaces, and the shape of the mounting groove is matched with that of the first magnetic member.
In this technical scheme, lateral surface and/or medial surface through first magnetic part are the arc surface, the shape and the first magnetic part looks adaptation of mounting groove, in order to do benefit to the assembly precision that improves first magnetic part and mounting groove, make the driving part reduce rocking of first magnetic part in the mounting groove at the rotation in-process, reduce air supply arrangement's noise at work, wherein, the lateral surface or the medial surface of first magnetic part are established to the arc surface, make the lateral surface or the medial surface of first magnetic part and the lateral surface or the medial surface of mounting groove laminate more, wherein, the lateral surface can be pressed close to more with the second magnetic part, in order to improve the interact power between driving part and the follower.
In the above technical solution, the driving member further includes: and each limiting piece is arranged on one end surface of the rotating support so as to limit the axial displacement of the first magnetic piece in the mounting groove through the limiting piece.
In this technical scheme, through set up the locating part on the terminal surface at the runing rest to restrict the axial displacement of first magnetic part in the mounting groove, specifically, the quantity of locating part can be one, and detachable connects in the one end of runing rest, and the quantity of locating part also can be two and locate the both ends of runing rest respectively, restricts the axial displacement of first magnetic part in the mounting groove on the one hand, and on the other hand passes through the connection dismantled of locating part in order to do benefit to the installation of first magnetic part.
When the number of the limiting members is one, the end of the rotating bracket away from the limiting members may be provided with a limiting portion protruding in the radial direction of the rotating bracket to limit the movement of the first magnetic member in the mounting groove in the axial direction.
In the above technical solution, the plurality of first magnetic members and/or the plurality of second magnetic members are continuously arranged in the circumferential direction.
In this technical scheme, a plurality of first magnetism spare or a plurality of second magnetism spare set up along the axial in succession, or a plurality of first magnetism spare and a plurality of second magnetism spare set up along the axial in succession for when a plurality of first magnetism spare rotated under the output shaft of motor drives, continuous interact power had between a plurality of first magnetism spares and a plurality of second magnetism spare, rotate with a plurality of second magnetism spares of drive, thereby drive flabellum subassembly and rotate.
In the technical scheme, the plurality of first magnetic parts and/or the plurality of second magnetic parts are uniformly arranged along the circumferential direction, and a circumferential gap exists between any two adjacent first magnetic parts and/or any two adjacent second magnetic parts.
In the technical scheme, the plurality of first magnetic parts or the plurality of magnetic falling parts are uniformly arranged along the axial direction, so that the first magnetic parts or the second magnetic parts form an annular band-shaped structure, and the first magnetic parts or the second magnetic parts are subjected to balanced magnetic force in the rotating process, and the stability of the rotor structure in the rotating process is favorably maintained; or the plurality of first magnetic parts and the magnetic falling parts are uniformly arranged along the axial direction, so that the first magnetic parts and the second magnetic parts are under the action of balanced magnetic force in the rotating process, and the stability of the rotor structure in the rotating process is kept. A circumferential gap exists between any two adjacent first magnetic pieces or any two adjacent second magnetic pieces, so that the first magnetic pieces or the second magnetic pieces form an intermittent structure, and the plurality of magnetic pieces are arranged at intervals along the circumferential direction, so that the magnitude and the direction of magnetic force borne by each magnetic piece are the same, and the stability of the rotor structure in the rotating process is kept; or a circumferential gap exists between any two adjacent first magnetic parts and any two adjacent second magnetic parts, so that the first magnetic parts and the second magnetic parts form an intermittent structure, and the plurality of magnetic parts are arranged at intervals along the circumferential direction, so that the magnitude and the direction of the magnetic force borne by each magnetic part are the same, and the stability of the rotor structure in the rotating process is kept.
In the technical scheme, the air passing channel is arranged along the axial direction of the fan blades.
In the technical scheme, the air passing channel is limited to be arranged along the axial direction of the fan blade, so that the direction of the air flow passing through the air passing channel and flowing to the air outlet side of the air supply device is consistent with the direction of the air flow formed by the fan blade, and the stability of the whole air outlet flow of the air supply device is prevented from being influenced by mutual dispersion of a plurality of air flows.
In the above technical scheme, the rotation axis of the fan blade passes through the wind passage.
In the technical scheme, the rotation axis of the fan blade is limited to penetrate through the air passing channel, namely at least part of the air passing channel extends from one end of the fan blade to the other end along the rotation axis of the fan blade, so that the blockage of the air flow nearby the rotation axis of the fan blade is reduced, the air flow of the central part of the air outlet flow is supplemented through the air passing channel, and meanwhile the stability of the air outlet flow is improved. It can be understood that when the position of the rotating shaft of the fan blade has no air passing channel, the air flow can be blocked locally, the air outlet flow of the air supply device can easily generate cyclone, the air flow is disordered, the air flow is supplemented to the central part of the air outlet flow through the national air channel, the generation of the cyclone can be effectively reduced, and the stability of the air outlet flow can be kept.
In the above technical scheme, the air passage is cylindrical and is coaxial with the fan blades.
In this technical scheme, cross the wind passageway for being coaxial cylindric with the flabellum through specifically injecing to the air current that passes the wind passageway and flow to air supply arrangement's air-out side is in the center of whole air-out air current, and the mutual dispersion effect between the reducible air current is favorable to passing the air current of wind passageway and the air current that the flabellum formed fuses each other, thereby strengthens the bulk strength of air-out air current.
In the above technical scheme, the air passage and the rotation axis of the fan blade form a non-zero preset angle.
In this technical scheme, be nonzero through the rotation axis of passing wind passageway and flabellum and predetermine the angle, the air current that makes to pass wind channel flow has certain contained angle with the air current through flabellum part driven, specifically, make the rotation axis of passing wind passageway and flabellum be the slope form, with according to specific air supply demand, make the air current that passes wind passageway along predetermineeing angle flow direction air supply arrangement's air-out side, and converge the air current that forms to certain direction slope with the air-out air current that the flabellum formed, make air supply arrangement's air supply direction diversified, in order to provide manifold sensation of wind.
In the technical scheme, the air passing channel is spiral.
In the technical scheme, the air channel is spiral, the air flow flowing through the air channel spirally advances in the air channel, the path of air flow in the air channel is increased, and the air supply direction of the air supply device is diversified to provide diversified wind feelings.
In the above technical scheme, the inner diameter of the air passing channel is unchanged in the axial direction of the fan blades.
In the technical scheme, the inner diameter size of the air passing channel is limited to be kept unchanged along the axial direction of the fan blades, so that the flow of the air passing channel is kept constant, and the influence on the flow of air flow passing through the air passing channel due to the change of the inner diameter size of the air passing channel is avoided. It can be understood that if the flow of the air passing channel is too small, the air cannot be supplemented, and if the flow of the air passing channel is too large, the air flow formed by the fan blades is easily dispersed, which is not favorable for the fusion of the air flow and influences the whole air outlet flow of the air supply device
In the above technical solution, the fan blade specifically includes: the fan comprises a first fan blade support and a plurality of first fan blades, wherein the first fan blades are arranged on the outer side wall surface of the first fan blade support along the circumferential direction of the fan blades.
In this technical scheme, the flabellum specifically includes first fan blade support and a plurality of first fan blade, locates on the outside wall of first fan blade support along the circumference of flabellum through a plurality of first fan blades to make first fan blade support rotate under rotor structure's drive, thereby make a plurality of first fan blades on locating the outside wall of first fan blade support disturb air, produce the air current, realize air supply arrangement's air supply operation.
Further, the fan blade further includes: and the second fan blade support is coaxially arranged with the first fan blade support, and the second fan blade support is sleeved outside the first fan blade.
In the technical scheme, the second fan blade support which is coaxial with the first fan blade support is arranged outside the first fan blade, so that the first fan blade can be fixed through the first fan blade support on the inner side and the second fan blade support on the outer side at the same time, and the stability and the service life of the fan blade during rotation are favorably improved.
Further, the fan blade further includes: and the second fan blades are arranged on the outer side wall surface of the fan blades along the circumferential direction of the fan blades.
In the technical scheme, the plurality of second fan blades are arranged on the outer side wall surface of the fan blade along the circumferential direction, so that the fan blade can form an inner circle of fan blades and an outer circle of fan blades, and the airflow is increased. It should be noted that the first fan blade and the second fan blade may be the same type of fan blade, or may be different types of fan blades, for example, the first fan blade and the second fan blade have different shapes, or different sizes, or different inclination angles. In addition, through locating a plurality of first fan blades and a plurality of second fan blade of inside and outside two rings of flabellum, still be favorable to the diffusion motion to the air current that the flabellum was seen off for the air current is softer, is favorable to improving air supply device's air supply comfort level.
In the above technical scheme, the driven part is arranged on the outer side wall surface of the fan blade, and the driving part is arranged outside the fan blade.
In the technical scheme, the driven part is arranged on the outer side wall surface of the fan blade, and the driving part is arranged outside the fan blade, so that the first magnetic part of the driving part is arranged opposite to the driven part along the radial direction of the driven part, and generates corresponding magnetic force to drive the driven part to rotate. The driving part is arranged outside the fan blade, so that the distance between the driving part and the driven part is reduced, and the driving force to the driven part is enhanced.
In the above technical scheme, the driven part is arranged on the inner side wall surface of the fan blade, and the driving part is arranged outside the fan blade.
In the technical scheme, the driven part is arranged on the inner side wall surface of the fan blade, the driving part is arranged outside the fan blade, and the first magnetic part of the driving part is arranged opposite to the driven part along the radial direction of the driven part and generates corresponding magnetic force to drive the driven part to rotate.
In the above technical scheme, the flabellum is the annular, and the driven part is located the inside wall face of the outer lane of flabellum, and the driving part is located outside the flabellum.
In this technical scheme, the flabellum is the annular, through locating the inside wall face of the outer lane of flabellum with the follower, and locate the driving part outside the flabellum, and the driving part corresponds the setting with the follower along the radial direction of flabellum, through the magnetic force effect that the driving part produced the follower, drives the follower and drives the flabellum and rotate. The driving part is arranged outside the fan blade, so that when the driving part is not suitable for being installed in the fan blade, for example, when the whole size of the fan blade is small or other parts are arranged in the fan blade, the driving part and the driven part can still be correspondingly arranged, the driving effect of the driving part on the driven part is prevented from being influenced, and meanwhile, a small radial distance can be kept between the driven part and the driving part.
In the above technical scheme, the driven part is arranged on the outer side wall surface of the fan blade, and the driving part is arranged in the fan blade.
In the technical scheme, the driven part is arranged on the outer side wall surface of the fan blade, and the driving part is arranged in the fan blade, so that the first magnetic part of the driving part is arranged opposite to the driven part along the radial direction of the driven part, and generates corresponding magnetic force action to drive the driven part to rotate. The driving part is arranged in the fan blade, so that the size of the air supply device in the radial direction is reduced, and the occupied space is reduced.
In the above technical scheme, the driven part is arranged on the inner side wall surface of the fan blade, and the driving part is arranged in the fan blade.
In the technical scheme, the driven piece is arranged on the inner side wall surface of the fan blade, the driving piece is arranged in the fan blade, and the first magnetic piece of the driving piece is arranged corresponding to the driven piece along the radial direction of the driven piece and generates corresponding magnetic force to drive the driven piece to rotate. Meanwhile, the radial distance between the driven piece and the driving piece can be reduced, and the driving force of the driving piece to the driven piece is enhanced.
In the above technical scheme, the flabellum is cyclic annular, and the driven part is located the inside wall face of the outer lane of flabellum, and the driving part is located in the flabellum.
In this technical scheme, the flabellum is the annular, through locating the inside wall face of the outer lane of flabellum with the follower, and locate the driving part in the flabellum, and the driving part corresponds the setting with the follower along the radial direction of flabellum, through the magnetic force effect that the driving part produced the follower, drives the follower and drives the flabellum and rotate. The driving part is arranged outside the fan blade, so that when the driving part is not suitable for being installed outside the fan blade, for example, when the whole size of the fan blade is small or other parts are arranged outside the fan blade, the driving part and the driven part can still be correspondingly arranged, the driving effect of the driving part on the driven part is not influenced, and meanwhile, a small radial distance can be kept between the driven part and the driving part.
In the above technical solution, the fan blade is annular, the driven member is disposed on an outer side wall surface of an outer ring of the fan blade, and the driving member is disposed between the outer ring and an inner ring of the fan blade.
In the technical scheme, the fan blade is annular, namely the fan blade is provided with at least one cavity extending along the axial direction, the driven part is arranged on the outer side wall surface of the outer ring of the fan blade, the driving part is arranged between the outer ring and the inner ring of the fan blade, so that the driving part is arranged corresponding to the driven part along the radial direction of the fan blade, namely the driving part is arranged in the cavity between the outer ring and the inner ring of the fan blade, and the driven part is driven to drive the fan blade to rotate under the magnetic action of the driving part on the driven part, meanwhile, the size of the air supply device along the radial direction is favorably reduced, and the occupied space is reduced.
In the above technical scheme, the flabellum is cyclic annular, and the driven piece is located the inside wall face of the outer lane of flabellum, and the driving piece is located between the outer lane and the inner circle of flabellum.
In this technical scheme, the flabellum is the annular, is equipped with at least one mounting groove that extends along the axial direction on the flabellum promptly, through locating the inside wall face of the outer lane of flabellum with the follower, the driving part is located between the outer lane and the inner circle of flabellum, and the driving part is located in the mounting groove between the outer lane and the inner circle of flabellum promptly, and the driving part corresponds the setting along radial direction with the follower to through the magnetic force effect that the driving part produced the follower, the drive follower drives the flabellum and rotates. The driving part is arranged between the outer ring and the inner ring of the fan blade, so that the overall size of the air supply device in the radial direction is reduced, and meanwhile, the driving force of the driving part on the driven part can be increased by reducing the distance between the driving part and the driven part.
In the above technical scheme, the flabellum is cyclic annular, and the driven piece is located the inside wall face of the inner circle of flabellum, and the driving piece is located between the outer lane and the inner circle of flabellum.
In the technical scheme, the fan blade is annular, that is, at least one mounting groove extending in the axial direction is formed in the fan blade, the driven member is arranged on the inner side wall surface of the inner ring of the fan blade, the driving member is arranged between the outer ring and the inner ring of the fan blade, that is, the driving member is arranged in a cavity between the outer ring and the inner ring of the fan blade, and the driving member and the driven member are correspondingly arranged along the radial direction so as to drive the driven member to drive the fan blade to rotate under the magnetic action of the driving member on the driven member. The driving part is arranged between the outer ring and the inner ring of the fan blade, and the whole size of the air supply device in the radial direction is favorably reduced. It can be understood that when the inner ring of the fan blade is not suitable for mounting the driving part, for example, when the overall size of the fan blade is small or other parts are arranged in the fan blade, the driving part and the driven part can still be arranged correspondingly, so as to avoid influencing the driving action of the driving part on the driven part.
In the above technical solution, the driven member may rotate clockwise or counterclockwise relative to the driving member.
In this technical scheme, can rotate clockwise or anticlockwise for the driving part through the follower, can realize the rotation of two positive and negative directions according to the rotation needs of load, can satisfy different load demands, the flexibility is high.
In the above technical solution, the method further comprises: the fan blade assembly comprises a first fan cover and a second fan cover which are detachably connected, a containing cavity which can at least contain the fan blade assembly is formed in the second fan cover after the second fan cover is connected with the first fan cover, and a driving part is arranged in the containing cavity.
In this technical scheme, air supply arrangement still includes first fan housing and second fan housing, but through the inside cavity that holds that can hold flabellum subassembly at least that forms of first fan housing and the inside back of being connected of second fan housing detachably, and the initiative piece is located and is held in the cavity, so that the motor is whole to be arranged in and holds the cavity, play the guard action to motor and flabellum through first fan housing and second fan housing, in order to avoid interfering with external object in the motor drive flabellum rotation in-process. In addition, the first fan cover and the second fan cover can be detached, so that the motor and the fan blades can be maintained or cleaned.
In the above technical solution, the supporting structure of the air supply device is disposed on a side of the first fan housing facing the second fan housing.
In this technical scheme, through locating first fan housing towards one side of second fan housing with bearing structure, bearing structure locates on first fan housing promptly, and is in accommodation space after first fan housing is connected with the second fan housing, supports the flabellum that is equipped with the follower through bearing structure to prevent that the flabellum from taking place the skew in the rotation in-process.
In the above technical solution, the first fan housing and/or the second fan housing are provided with a ventilation grille.
In the technical scheme, the ventilation grids are arranged on the first fan housing and/or the second fan housing, so that when the fan blades rotate, airflow flows through the ventilation grids on the first fan housing and/or the second fan housing, and the air supply operation of the air supply device is realized. Specifically, the ventilation grille may be disposed along an axial direction of the fan blade, or may be disposed along both the axial direction and a radial direction of the fan blade.
In the above technical solution, further comprising: the base, the initiative piece is located on the base, and the base can be dismantled with flabellum subassembly and be connected.
In the technical scheme, the base detachably connected with the fan blades is arranged, so that the air supply device is convenient to use, and the fan blades are convenient to clean and maintain; the driving part is arranged on the base, namely the driving part can be independently detached from the rotor structure, and the driving part and the driven part are convenient to clean and maintain respectively. It can be understood that the stator and the rotor of the commonly used motor are usually installed as a whole, the interior of the motor cannot be cleaned, and impurities such as dust attached to the interior of the motor easily affect the normal operation of the motor.
In the above technical solution, the transmission specifically includes: the driving gear is sleeved on an output shaft of the motor; the driven gear is arranged in the fan blade assembly in a meshed and connected mode with the driving gear, and the driven gear is fixedly connected with the fan blade assembly to drive the driving gear and the driven gear to rotate in a meshed mode through the motor to drive the fan blade assembly to rotate.
In this technical scheme, transmission specifically includes intermeshing's driving gear and driven gear, and wherein the output shaft of motor is located to the initiative driving gear cover, and in fan blade assembly was located to driven gear, through motor drive driving gear and driven gear's meshing rotation to drive fan blade assembly's rotation, realize air supply arrangement's air supply, it needs to explain that gear drive is steady, reliable operation, compact structure and have higher transmission efficiency and life.
The driving gear and the driven gear can be, but are not limited to: spur gear, helical gear, internal gear.
In the above technical solution, the transmission device includes: the rolling wheel is sleeved on an output shaft of the motor and in friction transmission with the inner side wall surface of the fan blade assembly, so that the motor drives the rolling wheel to rotate to drive the fan blade assembly to rotate.
In this technical scheme, through establish the roll wheel cover with the output shaft of motor on, and roll wheel and the inside wall face friction transmission of flabellum subassembly, the rotation drive roll wheel through the output shaft of motor rotates to drive the rotation of flabellum subassembly through the rotation of rotating the wheel, realize air supply arrangement's air supply, it needs to explain that the cooperation structure of roll wheel and the internal face of flabellum subassembly is simple, reduces manufacturing cost.
In the above technical solution, the transmission device includes: the driving wheel is sleeved on the output shaft of the motor; the driven wheel is fixedly connected with the fan blade assembly; the drive belt is arranged on the outer side of the drive wheel and the outer side of the driven wheel, and the motor drives the drive wheel and the driven wheel to transmit through the drive belt so as to drive the fan blade assembly to rotate.
In this technical scheme, overlap through the output shaft at the motor and be equipped with the action wheel, fixedly on flabellum subassembly be equipped with from the driving wheel, and pass through the drive belt in the action wheel and the outside from the driving wheel and connect, when the output shaft drive action wheel that makes the motor rotates, the action wheel passes through the drive belt and drives from the driving wheel rotation to drive flabellum subassembly and rotate, realize air supply arrangement's air supply.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 illustrates a schematic structural view of a fan blade assembly according to an embodiment of the present invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view of the portion A-A of FIG. 1;
FIG. 3 illustrates an exploded view of a fan blade assembly according to one embodiment of the present invention;
FIG. 4 shows an exploded view of a support structure according to an embodiment of the present invention;
FIG. 5 illustrates a schematic top view of a support structure according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of the portion B-B of FIG. 5;
FIG. 7 is a schematic structural view of a fan blade assembly according to an embodiment of the invention;
FIG. 8 is a schematic cross-sectional view of the portion C-C of FIG. 7;
fig. 9 shows a partially enlarged view of a portion a in fig. 8;
FIG. 10 shows an exploded view of an active device according to one embodiment of the present invention;
FIG. 11 illustrates a schematic structural view of a rotating bracket according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of an air supply device according to an embodiment of the present invention;
FIG. 13 shows an exploded view of an air supply arrangement according to an embodiment of the present invention;
FIG. 14a is a schematic view showing the flow lines of an air supply apparatus without an air passage;
FIG. 14b shows a streamline schematic view of an air supply device according to an embodiment of the invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 14b is:
1 air supply device, 10 motors, 20 fan blade assemblies, 21 air passing channels, 22 fan blades, 222 axial limiting grooves, 23 supporting structures, 232 supporting shafts, 2322 supporting parts, 2324 supporting limiting parts, 24 first fan housings, 26 second fan housings, 28 ventilation grids, 32 bases, 34 first fan blade supports, 342 first fan blades, 36 second fan blade supports, 362 second fan blades, 40 transmission devices, 42 driving parts, 422 rotating supports, 424 mounting grooves, 426 first magnetic parts, 428 limiting parts and 44 driven parts.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Some embodiments according to the invention are described below with reference to fig. 1 to 14 b.
Example 1
As shown in fig. 1 and 2, according to an embodiment of the present invention, there is provided an air blowing device 1 defining:
the air supply device 1 specifically includes: the fan assembly comprises a motor 10, a fan blade assembly 20 and a transmission device 40, specifically, two ends of the transmission device 40 are respectively connected with the fan blade assembly 20 and an output shaft of the motor 10, the transmission device 40 is driven by the output shaft of the motor 10, and the fan blade assembly 20 is indirectly driven to rotate, so that air flows from one side of the fan blade assembly 20 to the other side. A plurality of supporting parts 2322 that set up on bearing structure 232 restrict flabellum 22's radial displacement, in order to form the support to flabellum 22, wherein, flabellum 22 and bearing structure 232 are hollow structure, in order to form air channel 21 through the hollow structure at flabellum 22 and/or bearing structure 232, make the air can be passed through air channel 21 by the one end of flabellum 22 and flow to the other end, thereby reduce flabellum 22 and to the blockking of air current, increase air supply arrangement 1's air-out air current, be favorable to keeping the stability of air-out air current.
Optionally, air passage 21 is formed by the smaller of the hollow structure of fan blades 22 and the hollow structure of support structure 232.
Optionally, the air passage 21 is formed by the hollow structure of the fan blades 22 with the same size and the hollow structure of the support structure 232.
Furthermore, the rotation axis of the fan blade assembly 20 is not overlapped with the axis of the output shaft of the motor 10, so that the output shaft of the motor can be flexibly arranged at a plurality of different positions relative to the rotation axis of the fan blade assembly 20, which is favorable for changing the relative position of the motor 10 and the fan blade assembly 20 according to different assembly requirements, and the application range of the air supply device 1 is improved, in addition, the rotation axis of the fan blade assembly 20 is not overlapped with the axis of the output shaft of the motor 10, and the motor 10 can be arranged at one side of the fan blade assembly 20, thereby avoiding the overlapping arrangement of the motor 10 and the fan blade assembly 20 along the axes of the output shafts of the fan blade assembly 20 and the motor 10, and further flattening the assembly structure of the motor 10 and the fan blade assembly 20, and effectively reducing the occupied space of the air supply device 1.
Alternatively, the transmission 40 may be, but is not limited to, a magnetic drive transmission 40, a chain transmission 40, a belt transmission 40, a gear transmission 40. Wherein, one end of the transmission device 40 connected with the fan blade assembly 20 and one end of the transmission device 40 connected with the motor 10 are detachable.
Alternatively, the output shaft of one motor 10 may be connected to two or more fan assemblies 20 through a transmission 40 to drive the plurality of fan assemblies 20 through one motor 10.
Alternatively, one fan blade assembly 20 may be connected to the output shafts of multiple motors 10 through a transmission 40 to drive one fan blade assembly 20 to rotate through multiple motors 10.
The air supply device 1 includes, but is not limited to, a desk fan, a ceiling fan, a wall fan, a tower fan, a cooling fan, a warm air blower, and a range hood.
Example 2
As shown in fig. 3, further defines:
the supporting structure 232 includes a supporting frame, a plurality of supporting portions 2322 are further disposed on the supporting frame, and the supporting portions 2322 are rotatably disposed on the supporting frame, wherein the supporting member is a hollow structure, the supporting portions 2322 are radially disposed on the inner side of the fan blade 22, and the rotating surface of the supporting portions 2322 abuts against the inner side wall of the fan blade 22, so that the supporting portions 2322 form supporting forces on the fan blade 22 in multiple radially outward directions, thereby supporting the fan blade 22 and limiting axial displacement of the fan blade 22.
Optionally, a rotating surface of support 2322 disposed radially outside fan blade 22 abuts against an outer sidewall of fan blade 22, so that multiple support 2322 form supporting forces for fan blade 22 in multiple radially inward directions, thereby supporting fan blade 22 and limiting axial displacement of fan blade 22.
Optionally, a plurality of supports 2322 are disposed radially inside and outside of fan blade 22, and the rotating surface of supports 2322 simultaneously abuts against the inner sidewall and the outer sidewall of fan blade 22 to support fan blade 22 and limit the axial displacement of fan blade 22. When fan blades 22 rotate, supporting portion 2322 may rotate accordingly, so as to reduce friction force when fan blades 22 rotate, and improve rotation efficiency.
Alternatively, support 2322 may be cylindrical or spherical to generate rolling friction for blade 22 during rotation, reducing frictional resistance of the support.
Example 3
As shown in fig. 4, further defines:
the supporting frame is provided with a plurality of supporting shafts extending along the axial direction of the fan blade 22, and each supporting portion 2322 is rotatably arranged on the supporting shaft, so that the supporting portion 2322 can rotate around the supporting shaft, and in the rotating process of the fan blade 22, the supporting portions 2322 rotate along with the fan blade 22, so that the fan blade 22 and the supporting structure 232 form rotatable connection, and the rotating friction force of the fan blade 22 is reduced.
Example 4
As shown in fig. 4 to 6, further defining:
the supporting structure 232 further includes a supporting limiting member 2324, specifically, the supporting limiting member 2324 is disposed at one end of the supporting shaft away from the supporting frame, and the supporting limiting member 2324 limits the supporting portion 2322 to move towards one side away from the supporting frame along the axial direction of the supporting shaft, so as to prevent the supporting portion 2322 from being separated from the supporting shaft, so as to avoid affecting the support of the fan blades 22, which is beneficial to improving the reliability of the air supply device 1.
Example 5
As shown in fig. 7 and 8 further define:
an axial limiting groove 222 extending in the circumferential direction is formed in the inner side wall or the outer side wall of the fan blade 22, the supporting portion 2322 abuts against the inner side wall surface or the outer side wall surface of the fan blade 22 in the axial limiting groove 222, specifically, the axial limiting groove 222 is formed in the inner side wall of the fan blade 22, the supporting portion 2322 abuts against the inner side wall surface of the fan blade 22 in the axial limiting groove 222, or the axial limiting groove 222 is formed in the outer side wall of the fan blade 22, and the supporting portion 2322 abuts against the outer side wall surface of the fan blade 22 in the axial limiting groove 222, so that when the fan blade 22 rotates, the supporting portion 2322 rolls relative to the fan blade 22 in the axial limiting groove 222, and the axial relative movement of the supporting portion 2322 and the fan blade 22 in the axial direction of the fan blade 22 is limited through the matching between the inner side wall surface or the outer side wall surface of the fan blade 22 and the supporting portion 2322, so that the axial movement of the fan blade 22 along the fan blade 22 is limited.
Optionally, the inner sidewall and the outer sidewall of the fan blade 22 are both provided with an axial limiting groove 222 extending along the circumferential direction, and the support portion 2322 abuts against the inner sidewall surface and the outer sidewall surface of the fan blade 22 in the axial limiting groove 222, so that when the fan blade 22 rotates, the support portion 2322 rolls in the axial limiting groove 222 relative to the fan blade 22, and the support portion 2322 are matched to limit the relative movement of the support portion 2322 and the fan blade 22 in the axial direction of the fan blade 22, thereby limiting the axial movement of the fan blade 22 along the fan blade 22.
Example 6
Further defines that:
the support frame is arranged in the fan blade 22, the rotating surface of the support frame is abutted to the inner side wall of the fan blade 22, namely the size of the support frame is smaller than that of the hollow structure of the fan blade 22, the support frame is integrally arranged in the hollow structure of the fan blade 22, and the plurality of support parts 2322 are arranged along the radial direction of the support frame so as to form support force in a plurality of radial directions on the inner side wall of the fan blade 22 through the plurality of support parts 2322, thereby forming support for the fan blade 22 and limiting the axial displacement of the fan blade 22. The hollow structure of the support structure 232 forms an air passage 21, so that air can flow from one end of the fan 22 to the other end through the air passage 21 and merge with the airflow formed by the fan 22.
Example 7
Further defines that:
the air outlet end of the inner side wall of the fan blade 22 is provided with a first limiting portion, and each supporting portion 2322 abuts against the first limiting portion along the axial direction of the fan blade 22 so as to limit the fan blade 22 to move along the axial direction away from the air outlet end.
Specifically, flabellum 22 stirs the air and flows to the air-out end at the rotation in-process, and flabellum 22 can produce the displacement to the direction that deviates from the air-out end under the effect of the reaction force of air current, leads to flabellum 22 and supporting part 2322 to break away from easily.
Optionally, the air inlet end of the inner side wall of fan blade 22 may also be provided with a first limiting portion, and each supporting portion 2322 abuts against the first limiting portion along the axial direction of fan blade 22, so as to limit the movement of fan blade 22 along the axial direction towards the air outlet end.
Example 8
Further defines that:
the fan blade 22 is disposed in the support frame, that is, the size of the fan blade 22 is smaller than the size of the hollow structure of the support frame, the fan blade 22 is integrally disposed in the hollow structure of the support frame, the plurality of supporting portions 2322 are disposed along the radial direction of the support frame, and the rotating surface of each supporting portion 2322 abuts against the outer side wall of the fan blade 22, so that the plurality of supporting portions 2322 form supporting forces to the outer side wall of the fan blade 22 along the radial direction in multiple directions, thereby forming a support for the fan blade 22, and limiting the axial displacement of the fan blade 22. The hollow structure of the fan 22 forms an air passage 21, so that air can flow from one end of the fan 22 to the other end through the air passage 21 and merge with the airflow formed by the fan 22.
Example 9
Further defines that:
the air outlet end on the outer side wall of fan blade 22 is provided with a second limiting part, and each supporting part 2322 abuts against the second limiting part along the axial direction of fan blade 22 so as to limit the movement of fan blade 22 along the axial direction away from the air outlet end. It can be understood that, the fan blade 22 stirs the air to flow to the air outlet end in the rotation process, and the fan blade 22 will generate displacement to the direction deviating from the air outlet end under the action of the reaction force of the air flow, easily resulting in the fan blade 22 to separate from the supporting portion 2322.
Example 10
As shown in fig. 2, further defines:
the support frame is arranged at one end of the fan blade 22, the plurality of support portions 2322 are arranged at one end of the support frame facing the fan blade 22, the plurality of support portions 2322 are only abutted against the inner side wall surface or the outer side wall surface of the fan blade 22 to limit the radial position of the fan blade 22, the support frame is not required to be arranged along the radial direction of the fan blade 22, and the size of the whole fan blade 22 along the radial direction can be reduced. Wherein, the support frame is located the other end that flabellum 22 deviates from the air-out end, and the reducible air current to the air-out end that blocks on the one hand, on the other hand is convenient for carry on spacingly to flabellum 22.
Example 11
As shown in fig. 1 and 2, further defines:
the rotating surface of the at least one supporting portion 2322 abuts against the inner side wall surface of the fan blade 22, and a third limiting portion is arranged at the air outlet end of the inner side wall of the fan blade 22, so that the supporting portion 2322 abutting against the inner side wall of the fan blade 22 abuts against the third limiting portion along the axial direction, the axial limiting of the fan blade 22 is realized, the axial displacement of the fan blade 22 deviating from the air outlet end direction is prevented, and the possibility that the fan blade 22 is separated from the supporting portion 2322 or interferes with the supporting frame is avoided.
Example 12
Further defines that:
the rotating surface of at least one supporting portion 2322 abuts against the outer side wall surface of the fan blade 22, and a fourth limiting portion is arranged at the air outlet end of the outer side wall of the fan blade 22, so that the supporting portion 2322 abutting against the outer side wall of the fan blade 22 abuts against the fourth limiting portion along the axial direction, the axial limiting of the fan blade 22 is realized, the axial displacement of the fan blade 22 deviating from the air outlet end direction is prevented, and the possibility that the fan blade 22 is separated from the supporting portion 2322 or interferes with the supporting frame is avoided.
Example 13
As shown in fig. 9 and 10, further defines:
the transmission 40 comprises in particular: the driving member 42 includes a plurality of first magnetic members 426, the driven member 44 includes a plurality of second magnetic members, wherein the plurality of first magnetic members 426 are disposed on the output shaft of the motor 10, the plurality of second magnetic members are disposed on the fan blade assembly 20, when the output shaft of the motor 10 rotates, the plurality of first magnetic members 426 disposed on the output shaft of the motor 10 rotate along with the output shaft of the motor 10, and the first magnetic members drive the plurality of second magnetic members to rotate through the magnetic attractive force and/or repulsive force of interaction, so as to drive the fan blade assembly 20 to rotate.
Further, the polarities of any two adjacent first magnetic members 426 are different, and the polarities of any two adjacent second magnetic members are different, so that when the first magnetic members 426 rotate along with the output shaft of the motor 10, the plurality of first magnetic members 426 move relative to the plurality of second magnetic members, so that the interaction force between the first magnetic members 426 and the second magnetic members is alternately switched between the attraction force and the repulsion force, and thus, the first magnetic members 426 generate a continuous driving force in the same direction to the second magnetic members through the relative movement between the first magnetic members 426 and the second magnetic members, so as to drive the second magnetic members to rotate.
Example 14
As shown in fig. 10, further defines:
the driving part 42 further includes a rotating bracket 422, the plurality of first magnetic parts 426 are disposed on the rotating bracket 422 along the axial direction of the rotating bracket 422, and the rotating bracket 422 is sleeved on the output shaft of the motor 10, so as to realize that the plurality of first magnetic parts 426 are fixedly connected to the output shaft of the motor 10, so as to drive the plurality of first magnetic parts 426 to rotate through the output shaft of the motor 10, and further drive the fan blade assembly 20 to rotate through the magnetic acting force between the first magnetic parts 426 and the second magnetic part through the second magnetic part.
Example 15
As shown in fig. 10, further defines:
the rotating bracket 422 is provided with a plurality of mounting grooves 424 extending along the axial direction of the rotating bracket 422, and each first magnetic member 426 is arranged in one mounting groove 424, wherein the first magnetic member 426 is arranged along the axial direction of the rotating bracket 422, the plurality of first magnetic members 426 can be inserted inwards from the end surface of the rotating bracket 422 along the axial direction, so that the mounting is convenient, and the first magnetic members 426 are arranged in the mounting grooves 424, so that the radial movement of the first magnetic members 426 on the rotating bracket 422 is limited when the motor 10 rotates, and the stability of magnetic driving of the motor 10 in the rotating process is maintained.
Example 16
As shown in fig. 10, further defines:
a plurality of mounting grooves 424 extending in a radial direction of the rotating bracket 422 are formed on the rotating bracket 422, each first magnetic member 426 is disposed in one mounting groove 424, wherein the first magnetic members 426 are disposed in an axial direction of the rotating bracket 422, the plurality of first magnetic members 426 can be inserted from an end surface of the rotating bracket 422 in a radial direction inward, so that the mounting is facilitated, and the first magnetic members 426 are disposed in the mounting grooves 424, so that the axial movement of the first magnetic members 426 on the rotating bracket 422 is limited when the motor 10 rotates, and the stability of the magnetic driving of the motor 10 during the rotating process is maintained.
Example 17
As shown in fig. 10 and 11, further defines:
the outer side face and/or the inner side face of the first magnetic part 426 are flat faces, and the shape of the mounting groove 424 is matched with that of the first magnetic part 426, so that the assembly accuracy of the first magnetic part 426 and the mounting groove 424 is improved, the shaking of the first magnetic part 426 in the mounting groove 424 is reduced in the rotating process of the driving part 42, and the working noise of the air supply device 1 is reduced.
Example 18
As shown in fig. 11, further defines:
lateral surface and/or medial surface of first magnetism spare 426 are the arc surface, mounting groove 424's shape and first magnetism spare 426 looks adaptation, in order to do benefit to the assembly precision who improves first magnetism spare 426 and mounting groove 424, make drive piece 42 reduce rocking of first magnetism spare 426 in mounting groove 424 at the rotation in-process, reduce air supply arrangement 1's noise, wherein, the lateral surface or the medial surface of first magnetism spare 426 establish the arc surface, make the lateral surface or the medial surface of first magnetism spare 426 and mounting groove 424's lateral surface or medial surface laminate more, wherein, the lateral surface can be pressed close to more with the second magnetism spare, in order to improve the interact power between drive piece 42 and the follower 44.
Example 19
As shown in fig. 10, further defines:
a limiting member 428 is disposed on an end surface of the rotating bracket 422 to limit axial movement of the first magnetic member 426 in the mounting groove 424, specifically, the number of the limiting members 428 may be one and detachably connected to one end of the rotating bracket 422, and the number of the limiting members 428 may also be two and respectively disposed at two ends of the rotating bracket 422, so as to limit axial movement of the first magnetic member 426 in the mounting groove 424 on one hand and facilitate mounting of the first magnetic member 426 through detachable connection of the limiting members 428 on the other hand.
Alternatively, when the number of the limiting members 428 is one, the end of the rotating bracket 422 far from the limiting members 428 may limit the movement of the first magnetic member 426 in the axial direction in the mounting groove 424 by providing a limiting portion protruding in the radial direction of the rotating bracket 422.
Example 20
As shown in fig. 3, there are defined:
the plurality of first magnetic members 426 or the plurality of second magnetic members are axially and continuously disposed, or the plurality of first magnetic members 426 and the plurality of second magnetic members are axially and continuously disposed, so that when the plurality of first magnetic members 426 are driven by the output shaft of the motor 10 to rotate, a continuous interaction force is generated between the plurality of first magnetic members 426 and the plurality of second magnetic members, so as to drive the plurality of second magnetic members to rotate, thereby driving the fan blade assembly 20 to rotate.
Further, the plurality of first magnetic members 426 or the plurality of magnetic members are uniformly arranged along the axial direction, so that the first magnetic members 426 or the second magnetic members form an annular belt-shaped structure, and the first magnetic members 426 or the second magnetic members are subjected to balanced magnetic force during the rotation process, thereby being beneficial to maintaining the stability of the rotor structure during the rotation process;
optionally, the plurality of first magnetic members 426 and the plurality of magnetic members are uniformly arranged along the axial direction, so that the first magnetic members 426 and the second magnetic members are subjected to balanced magnetic force during the rotation process, which is beneficial to maintaining the stability of the rotor structure during the rotation process.
Further, a circumferential gap exists between any two adjacent first magnetic members 426 or any two adjacent second magnetic members, so that the first magnetic members 426 or the second magnetic members form an intermittent structure, and the plurality of magnetic members are arranged at intervals in the circumferential direction, so that the magnitude and the direction of the magnetic force applied to each magnetic member are the same, and the stability of the rotor structure in the rotating process is maintained.
Further, a circumferential gap exists between any two adjacent first magnetic members 426 and any two adjacent second magnetic members, so that the first magnetic members 426 and the second magnetic members form an intermittent structure, and the plurality of magnetic members are arranged at intervals in the circumferential direction, so that the magnitude and the direction of the magnetic force applied to each magnetic member are the same, and the stability of the rotor structure in the rotating process is maintained.
Example 21
As shown in fig. 1 and 2, further defines:
the air passage 21 is disposed along the axial direction of the fan blade, so that the direction of the air flow passing through the air passage 21 and flowing to the air outlet side of the air supply device 1 is consistent with the direction of the air flow formed by the fan blade, and the stability of the whole air outlet flow of the air supply device 1 is prevented from being influenced by the mutual dispersion of a plurality of air flows.
Example 22
As shown in fig. 1, further defines:
the rotation axis of the fan blade 22 passes through the air passing channel 21, that is, at least part of the air passing channel 21 extends from one end of the fan blade 22 to the other end along the rotation axis of the fan blade 22, so that the blockage of the air flow near the rotation axis of the fan blade 22 is reduced, the air flow of the central part of the outlet air flow is supplemented through the air passing channel 21, and the stability of the outlet air flow is improved. It can be understood that when the position of the rotation axis of the fan blade 22 has no air passage 21, the air flow is blocked locally, the air flow discharged from the air supply device 1 is easy to generate cyclone, which causes air flow disorder, and the air flow is supplemented to the central part of the air flow discharged through the air passage, so that the generation of cyclone can be effectively reduced, and the stability of the air flow discharged is favorably maintained.
Example 23
Further defines that:
the air passing channel 21 is cylindrical, and the air passing channel 21 is coaxial with the fan blades, so that the air flow passing through the air passing channel 21 and flowing to the air outlet side of the air supply device 1 is positioned at the center of the whole air outlet flow, the mutual dispersion effect among the air flows can be reduced, the mutual fusion of the air flow passing through the air passing channel 21 and the air flow formed by the fan blades is facilitated, and the integral strength of the air outlet flow is enhanced.
Example 24
Further defines that:
the air passage 21 and the rotation axis of the fan blade form a non-zero preset angle, so that the air flow flowing through the air passage and the air flow driven by the fan blade part have a certain included angle, the air supply direction of the air supply device 1 is diversified, and various wind senses are provided.
Example 25
Further defines that:
the air passage 21 is spiral, and the air flow flowing through the air passage spirally advances in the air passage, so that the path of air flow in the air passage is increased, the air supply direction of the air supply device 1 is diversified, and diversified wind senses are provided.
Example 26
Further defines that:
the inner diameter of the air passing channel 21 is kept constant along the axial direction of the fan blades, so that the flow rate of the air passing channel 21 is kept constant, and the influence on the flow rate of the air flow passing through the air passing channel 21 caused by the change of the inner diameter of the air passing channel 21 is avoided.
Example 27
Further defines that:
as shown in fig. 1 and 2, on the basis of any one of embodiments 8 to 12, further defined is:
fan blade 22 further includes: the fan comprises a first fan blade support 34 and a plurality of first fan blades 342, wherein the plurality of first fan blades 342 are arranged on the outer side wall surface of the first fan blade support 34 along the circumferential direction of the fan blade 22, so that when the fan blade 22 rotates, air is driven to flow from one side to the other side of the fan blade 22 through the plurality of first fan blades 342.
Further, the fan blade 22 further includes a second fan blade support 36, wherein the first fan blade support 34 and the second fan blade support 36 are coaxially disposed, and the second fan blade support 36 is sleeved outside the first fan blade 342, so that two ends of the first fan blade 342 are fixed by the first fan blade support 34 and the second fan blade support 36, thereby improving stability of the first fan blade 342 when rotating.
Further, the fan blade 22 further includes a plurality of second fan blades 362 disposed on the outer side wall surface of the fan blade 22 along the circumferential direction of the fan blade 22, so that the fan blade 22 drives air to flow from one side of the fan blade 22 to the other side through the rotation of the second fan blades 362 when rotating, specifically, the first fan blades 342 are disposed between the first fan blade support 34 and the second fan blade support 36, and the second fan blades 362 are axially disposed on the outer side wall surface of the second fan blade support 36, so that the fan blade 22 has a fan blade driving structure on the inner side and the outer side, thereby improving the efficiency of the fan blade 22 driving air to flow.
Example 28
As shown in fig. 1 and 2, further defines:
the driven member 44 is disposed on an outer wall surface of the fan blade 22, and the driving member 42 is disposed outside the fan blade 22 or inside the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along a radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driven member 44 is disposed on the outer wall surface of the fan blade 22, which is beneficial to reducing the distance between the driving member 42 and the driven member 44, and the driving member 42 is disposed in the fan blade 22, which is beneficial to reducing the space occupation and reducing the overall radial size of the air supply device 1.
Further, the fan blade 22 is annular, the driven member 44 is disposed on an outer side wall surface of an outer ring of the fan blade 22, and the driving member 42 is disposed between the outer ring and an inner ring of the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along a radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driven member 44 is disposed on the outer side wall surface of the outer ring of the fan blade 22, which is beneficial to reducing the distance between the driving member 42 and the driven member 44, and the driving member 42 is disposed between the outer ring and the inner ring of the fan blade 22, which is beneficial to reducing the space occupation and reducing the overall radial size of the air supply device 1.
Alternatively, the driven member 44 is disposed on the outer side wall surface of the outer ring of the fan blade 22, and the driving member 42 is disposed inside the inner ring of the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along the radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driven member 44 is disposed on the outer side wall surface of the outer ring of the fan blade 22, which is beneficial to reducing the distance between the driving member 42 and the driven member 44, and the driving member 42 is disposed inside the inner ring of the fan blade 22, which is beneficial to reducing the space occupation and reducing the overall radial size of the air supply device 1.
Example 29
As shown in fig. 1 and 2, further defines:
the driven member 44 is disposed on an inner sidewall surface of the fan blade 22, the driving member 42 is disposed in the fan blade 22, and the driven member 44 is disposed on the inner sidewall surface of the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along a radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driven member 44 is disposed in the fan blade 22, which is beneficial to reduce the distance between the driving member 42 and the driven member 44, and also can reduce the overall dimension of the air supply device 1 along the radial direction, and when the driving member 42 is not suitable for being mounted in the fan blade 22, for example, when the overall dimension of the fan blade 22 is small, or when other components are disposed in the fan blade 22, the driving member 42 can also be disposed outside the fan blade 22.
Further, the fan blade 22 is annular, the driven member 44 is disposed on an inner side wall surface of an outer ring of the fan blade 22, and the driving member 42 is disposed between the outer ring and an inner ring of the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along a radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driven member 44 is disposed on an inner sidewall surface of the outer ring, which is beneficial to reducing a distance between the driving member 42 and the driven member 44, and the driving member 42 is disposed between the outer ring and the inner ring of the fan blade 22, which is beneficial to reducing space occupation and reducing the overall radial size of the air supply device 1.
Alternatively, the driven member 44 is disposed on the outer side wall surface of the outer ring of the fan blade 22, and the driving member 42 is disposed inside the inner ring of the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along the radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driven member 44 is disposed outside the fan blade 22, which is beneficial to reducing the distance between the driving member 42 and the driven member 44, and the driving member 42 is disposed inside the inner ring of the fan blade 22, which is beneficial to reducing the space occupation and reducing the overall radial size of the air supply device 1.
Alternatively, the driven member 44 is disposed on an inner sidewall surface of an inner ring of the fan blade 22, and the driving member 42 is disposed between an outer ring and the inner ring of the fan blade 22, so that the first magnetic member 426 of the driving member 42 is disposed opposite to the driven member 44 along a radial direction of the driven member 44, and generates a corresponding magnetic force to drive the driven member 44 to rotate. Specifically, the driving member 42 is disposed between the outer ring and the inner ring of the fan blade 22, which is beneficial to reducing the distance between the driving member 42 and the driven member 44, and the driven member 44 is disposed on the inner side wall surface of the inner ring of the fan blade 22, which is beneficial to reducing the space occupation and reducing the overall radial size of the air supply device 1.
Example 30
As shown in fig. 2, further defines:
the driven part 44 can rotate clockwise or counterclockwise relative to the driving part 42, and can rotate in forward and reverse directions according to the rotation requirement of the load, so that different load requirements can be met, and the flexibility is high.
Example 31
As shown in fig. 8 and 9, further defines:
the air blowing device 1 further includes: a first wind shield 24 and a second wind shield 26.
The first fan housing 24 and the second fan housing 26 are detachably connected to form a receiving cavity at least capable of receiving the fan blade assembly 20, and the driving member 42 is disposed in the receiving cavity, so that the motor 10 is integrally disposed in the receiving cavity, and the first fan housing 24 and the second fan housing 26 protect the motor 10 and the fan blades 22 from interfering with external objects during the rotation process of the fan blades 22 driven by the motor 10. In addition, the first fan housing 24 and the second fan housing 26 are detachable, so that the motor 10 and the fan blades 22 can be maintained or cleaned.
Example 32
As shown in fig. 12 and 13, further defines:
the supporting structure 23 is disposed on a side of the first wind shield 24 facing the second wind shield 26, that is, the supporting structure 23 is disposed on the first wind shield 24, and after the first wind shield 24 is connected to the second wind shield 26, the supporting structure 23 is located in the accommodating space, and the fan blade 22 provided with the follower 44 is supported by the supporting structure 23, so as to prevent the fan blade 22 from deviating during the rotation process.
Further, a ventilation grille 28 is disposed on the first fan housing 24 and/or the second fan housing 26, so that when the fan blades 22 rotate, the airflow flows through the ventilation grille 28 on the first fan housing 24 and/or the second fan housing 26, so as to realize the air supply operation of the air supply device 1.
Alternatively, ventilation grille 28 may be disposed along the axial direction of fan blades 22, or along both the axial direction and the radial direction of fan blades 22.
Example 33
Further defines that:
the air supply device 1 is provided with a base 32 detachably connected with the fan blade 22, so that the air supply device 1 can be used conveniently for cleaning and maintaining the fan blade 22, and the driving part 42 is arranged on the base 32, namely the driving part 42 can be independently detached from the rotor structure, and the driving part 42 and the driven part 44 can be cleaned and maintained conveniently respectively. It can be understood that the stator and the rotor of the motor 10 are usually installed as a whole, which cannot clean the inside of the motor 10, and the impurities such as dust attached inside easily affect the normal operation of the motor 10.
Example 34
Further defines that:
the transmission 40 includes: the driving gear is sleeved on an output shaft of the motor 10; driven gear and driving gear meshing, driven gear locate in flabellum subassembly 20, through motor 10 drive driving gear and driven gear's meshing rotation to drive flabellum subassembly 20's rotation, realize air supply of air supply arrangement 1, it needs to explain that gear drive is steady, reliable operation, compact structure and have higher transmission efficiency and life.
Alternatively, the driving gear and the driven gear may be, but are not limited to: spur gear, helical gear, internal gear.
Example 35
Further defines that:
the transmission 40 includes: the rolling wheel is sleeved on the output shaft of the motor 10 and in friction transmission with the inner side wall surface of the fan blade assembly 20, the rolling wheel is driven to rotate through the rotation of the output shaft of the motor 10, so that the fan blade assembly 20 is driven to rotate through the rotation of the rolling wheel, the air supply of the air supply device 1 is realized, and it needs to be noted that the matching structure of the rolling wheel and the inner wall surface of the fan blade assembly 20 is simple, and the manufacturing cost is reduced.
Example 36
Further defines that:
the transmission 40 includes: a driving wheel, a driven wheel and a transmission belt,
the output shaft of motor is located to the action wheel cover, is on following driving wheel fixed connection in flabellum subassembly, and passes through the drive belt in the action wheel and the outside from the driving wheel and connect, when the output shaft drive action wheel that makes the motor rotates, the action wheel passes through the drive belt and drives from the driving wheel rotation to drive the flabellum subassembly and rotate, realize air supply of air supply arrangement 1.
Example 37
As shown in fig. 1 and 2, according to a specific embodiment of the present invention, there is provided an air blowing device 1 including: the fan blade fixing device comprises a motor 10, a fan blade fixing component, a transmission device 40 and a fan blade component 20, wherein the fan blade fixing component comprises a pulley fixing plate and a fan blade rotating shaft, and the fan blade component 20 is rotatably connected with the fan blade rotating shaft so that the fan blade component 20 can rotate around the fan blade rotating shaft; the transmission device 40 specifically comprises a driving device and a driven device, the driving device is fixedly arranged on a driving shaft of the motor 10, the driven device is circumferentially arranged along the inner wall of the fan blade assembly 20, the driving device extends into the hollow structure of the fan blade assembly 20 and is arranged adjacent to and corresponding to the driven assembly, a gap is arranged between the driving device and the driven device, a plurality of magnetic parts are arranged in the driving device and the driven device, when the driving shaft of the motor 10 drives the driving device to rotate, the driving device drives the driven device to rotate through magnetic interaction force between the driving device and the driven device, so as to drive the fan blade assembly 20 to rotate, wherein at least one fan blade assembly is arranged on the inner side in the radial direction, and a through hole is arranged on the pulley fixing plate and coincides with the axis passing through the wind tunnel, so that air flows from one side of the fan blade assembly to the other side, the air can pass through the through hole from one end of the fan blade to the other end, so as to reduce the blockage of the fan blade to the air flow, increase the air outlet flow of the air supply device 1, and be beneficial to keeping the stability of the air outlet flow.
Furthermore, the number of the fan blade rotating shafts is three, the fan blade rotating shafts are evenly arranged on the pulley fixing plate, one end, close to the fan blade assembly, of each fan blade rotating shaft is provided with a pulley, the pulleys abut against the inner wall of the fan blade assembly 20, and the pulleys can roll on the inner wall of the fan blade assembly 20 to support the fan blade assembly 20 to rotate under the support of the pulleys.
Further, an axial limiting groove is axially formed in the fan blade assembly 20, the pulley is arranged in the axial limiting groove, and the axial movement of the pulley along the fan blade assembly is limited by the axial limiting groove.
As shown in fig. 2, further, the axis of the driving shaft of the motor 10 is not coincident with the axis of the rotation of the fan 22, and the driving shaft of the motor 10 is located inside the fan assembly 20, so that the motor 10 and the fan assembly 20 are prevented from being overlapped along the axes of the fan assembly 20 and the output shaft of the motor 10, and the assembly structure of the motor 10 and the fan assembly 20 is more flattened, thereby effectively reducing the occupied space of the air supply device 1.
As shown in fig. 3 and fig. 6, further, the magnetic member specifically includes a plurality of driving magnets and a plurality of driven magnets, wherein the driving magnets are disposed in the driving device, and the driven magnets are uniformly disposed along the circumferential direction of the inner wall of the fan blade assembly 20, so that when the driving magnets rotate along with the driving device, the driving magnets are driven to rotate, thereby driving the fan blades 22 to rotate around the fan blade rotation axis.
Furthermore, a through hole is formed in the pulley fixing plate, the pulley fixing plate is arranged on one side of the fan blade assembly 20, the motor 10 is arranged on one side, away from the fan blade assembly 20, of the pulley fixing plate, and the driving shaft of the motor 10 penetrates through the through hole and is arranged in the fan blade assembly 20.
Furthermore, one end of each fan blade rotating shaft, which is close to the fan blade assembly, is fixedly connected with a limiting screw, and the limiting screw is used for limiting the axial movement of the pulley along the fan blade rotating shaft.
The bearing 30 is arranged on the fan blade rotating shaft, the fan blade mounting plate is arranged on the bearing 30, and the fan blade mounting plate is fixedly connected with the fan blade assembly 20, so that the fan blade assembly 20 rotates on the fan blade rotating shaft through the bearing 30.
Further, the driving device specifically includes: magnet mounting panel, magnet, end cover, on the magnet mounting panel, have a plurality of mounting grooves 424 that set up along the magnet mounting panel axial, in mounting groove 424 was located to magnet, connect the end cover in the one end detachable of magnet mounting panel, wherein, the one end of keeping away from the end cover at the magnet mounting panel is equipped with to the bellied spacing portion of mounting groove 424, through spacing portion and end cover restriction magnet along the axial displacement of magnet mounting panel in mounting groove 424.
Fan blade assembly 20 further includes: the fan assembly comprises a first fan blade support 34 and a plurality of first fan blades 342, wherein the plurality of first fan blades 342 are arranged on the outer side wall surface of the first fan blade support 34 along the circumferential direction of the fan blade assembly 20, so that when the fan blade assembly 20 rotates, air is driven to flow from one side of the fan blade 22 to the other side through the plurality of first fan blades 342.
Further, the fan blade assembly 20 further includes a second fan blade support 36, wherein the first fan blade support 34 and the second fan blade support 36 are coaxially disposed, and the second fan blade support 36 is sleeved outside the first fan blade 342, so that two ends of the first fan blade 342 are fixed by the first fan blade support 34 and the second fan blade support 36, and the stability of the first fan blade 342 during rotation is improved.
Further, the fan blade assembly 20 further includes a plurality of second fan blades 362, which are disposed on the outer side wall surface of the fan blade assembly 20 along the circumferential direction of the fan blade assembly 20, so that the fan blade assembly 20 drives air to flow from one side of the fan blade assembly 20 to the other side through the rotation of the second fan blades 362 when rotating, specifically, the fan blade assembly 20 has a fan blade driving structure on the inner side and the outer side by providing the first fan blades 342 between the first fan blade support 34 and the second fan blade support 36, and providing the second fan blades 362 on the outer side wall surface of the second fan blade support 36 in the axial direction, so as to improve the efficiency of the fan blade 22 driving air to flow.
As is apparent from comparison between fig. 14a and fig. 14b, in the air supply device 1 of the embodiment provided by the present application, by providing the air passage, the effect of the supplementary air flow to the whole flow region is obvious, when the air diffuser without the air passage in fig. 14a rotates, the center of the air flow is blocked by the motor, the subsequent air flow at a certain distance may swirl, although the subsequent air flow may also be supplemented due to the pressure effect after flowing to a certain region, the uneven whole pressure field may cause the subsequent air flow to be relatively turbulent, and easily uneven and biased to one side, and the center of the air supply device in fig. 14b may supplement the air flow, so that the whole flow field is more uniform and stable.
Through the air supply device provided by the invention, the assembly structure of the motor and the fan blade assembly is more flattened, so that the occupied space of the air supply device is effectively reduced, the blockage of the fan blade to air flow is reduced, the air outlet flow of the air supply device is increased, and the stability of the air outlet flow is favorably kept.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (35)

1. An air supply device, comprising:
a motor;
a fan blade assembly, comprising: the fan blade is of a hollow structure; and
the supporting structure is a hollow structure, a plurality of supporting parts are arranged on the supporting structure so as to limit the radial displacement of the fan blade through the plurality of supporting parts, and the hollow structure of the fan blade and/or the hollow structure of the supporting structure form an air passing channel so that air can flow from one end of the fan blade to the other end through the plurality of air passing channels;
the two ends of the transmission device are respectively connected with the fan blade assembly and the output shaft of the motor, so that the transmission device is driven by the motor to operate to drive the fan blade assembly to rotate;
the fan blade assembly and the motor are detachably connected through the transmission device, and the rotation axis of the fan blade assembly is not coincident with the axis of the output shaft of the motor;
the support structure includes:
a support frame, wherein a hollow structure is formed in the support frame, a plurality of support parts are rotatably arranged on the support frame,
the supporting part is arranged on the inner side of the fan blade along the radial direction, and the rotating surface of the supporting part is abutted against the inner side wall of the fan blade;
the support frame is provided with a plurality of support shafts extending along the axial direction of the fan blades, each support part is rotatably arranged on the support shaft, and when the fan blades rotate, the support parts can correspondingly rotate along with the fan blades;
the transmission specifically includes:
the driving part comprises a plurality of first magnetic parts and is fixedly arranged on an output shaft of the motor;
the driving member further includes:
the rotating bracket is sleeved on an output shaft of the motor, and the plurality of first magnetic pieces are arranged along the circumferential direction of the rotating bracket;
the rotating bracket is provided with a plurality of mounting grooves extending along the axial direction of the rotating bracket, and the first magnetic part is correspondingly arranged in the mounting grooves;
the driving member further includes:
and each limiting part is arranged on one end surface of the rotating support so as to limit the axial displacement of the first magnetic part in the mounting groove through the limiting part.
2. The air supply apparatus of claim 1, further comprising:
and the supporting limiting part is arranged at one end, far away from the supporting frame, of the supporting shaft, and the supporting limiting part limits the position of the supporting part on the supporting shaft.
3. The blowing device according to claim 1, wherein an axial direction restricting groove extending in a circumferential direction is provided in an inner side wall surface of the fan blade, and the support portion abuts against the inner side wall surface of the fan blade in the axial direction restricting groove.
4. The air supply arrangement according to claim 1,
the supporting frame is arranged in the fan blade, the rotating surface of the supporting part is propped against the inner side wall of the fan blade,
wherein the hollow structure of the support structure forms the air passage.
5. The air supply arrangement of claim 4, wherein the fan blades further comprise:
first spacing portion locates the air-out end of the inside wall of flabellum on the axial direction of flabellum, every the supporting part all with first spacing portion offsets, in order to pass through first spacing portion restriction the flabellum is to deviating from the removal of the direction of air-out end.
6. The air supply arrangement according to claim 1,
the supporting frame is arranged at one end of the fan blade, the plurality of supporting parts are arranged at one end of the supporting frame facing the fan blade,
wherein the hollow structure of the support structure and the hollow structure of the fan blades are overlapped to form the air passage.
7. The blower of claim 6, wherein the rotational surface of at least one of the support portions abuts against an inner sidewall of the fan blade, and further comprising:
and the third limiting part is arranged at an air outlet end on the inner side wall of the fan blade, and the end part of the supporting part, which is abutted against the inner side wall of the fan blade, is abutted against the third limiting part in the axial direction of the fan blade.
8. The air supply device of claim 1, wherein the transmission device further comprises:
the driven part is detachably connected with the driving part and comprises a plurality of second magnetic parts, the driven part is arranged on the fan blade assembly and drives the second magnetic parts to rotate through the magnetic force of the first magnetic parts so as to drive the fan blade assembly to rotate,
the polarities of any two adjacent first magnetic pieces are different, and the polarities of any two adjacent second magnetic pieces are different.
9. The air supply device of claim 8, wherein the outer side face and/or the inner side face of the first magnetic member are/is a plane, and the shape of the mounting groove is matched with that of the first magnetic member.
10. The air supply device of claim 8, wherein the outer side surface and/or the inner side surface of the first magnetic member are/is a circular arc surface, and the shape of the mounting groove is matched with that of the first magnetic member.
11. The air supply device according to claim 8, wherein a plurality of the first magnetic members and/or a plurality of the second magnetic members are arranged in series in a circumferential direction.
12. The air supply device according to claim 8, wherein a plurality of the first magnetic members and/or a plurality of the second magnetic members are uniformly arranged in a circumferential direction, and a circumferential gap exists between any two adjacent first magnetic members and/or any two adjacent second magnetic members.
13. The air supply device according to any one of claims 1 to 12, wherein the air passage is provided in an axial direction of the fan blade.
14. The air supply arrangement as recited in claim 13, wherein an axis of rotation of the fan blade passes through the air passage.
15. The air supply arrangement of claim 14, wherein the air passage is cylindrical and is coaxial with the fan blades.
16. The device according to any of claims 1 to 12, wherein the air passage is at a non-zero predetermined angle with respect to an axis of rotation of the fan blades.
17. The air supply device according to any one of claims 1 to 12, wherein the air passage is formed in a spiral shape.
18. The air supply device according to any one of claims 1 to 12, wherein an inner diameter of the air passage is constant in an axial direction of the fan blades.
19. The air supply device according to any one of claims 1 to 12, wherein the fan blade specifically includes:
the fan comprises a first fan blade support and a plurality of first fan blades, wherein the first fan blades are arranged on the outer side wall surface of the first fan blade support along the circumferential direction of the fan blades.
20. The air supply arrangement of claim 19, wherein the fan blades further comprise:
the second fan blade support is coaxially arranged with the first fan blade support, and the second fan blade support is sleeved outside the first fan blade.
21. The air supply arrangement of claim 20, wherein the fan blade further comprises:
and the second fan blades are arranged on the outer side wall surface of the fan blades along the circumferential direction of the fan blades.
22. The blower according to claim 8, wherein the driven member is provided on an outer wall surface of the fan blade, and the driving member is provided outside the fan blade.
23. The blower apparatus according to claim 8, wherein the driven member is provided on an inner sidewall surface of the fan blade, and the driving member is provided outside the fan blade.
24. The blower according to claim 8, wherein the fan blade is annular, the driven member is disposed on an inner sidewall surface of an outer ring of the fan blade, and the driving member is disposed outside the fan blade.
25. The blower according to claim 8, wherein the driven member is provided on an outer wall surface of the fan blade, and the driving member is provided in the fan blade.
26. The blower apparatus according to claim 8, wherein the driven member is provided on an inner sidewall surface of the fan blade, and the driving member is provided in the fan blade.
27. The blower according to claim 8, wherein the fan blade is annular, the driven member is provided on an inner sidewall surface of an outer ring of the fan blade, and the driving member is provided in the fan blade.
28. The blowing device according to claim 8, wherein the fan blade is annular, the driven member is provided on an outer wall surface of an outer ring of the fan blade, and the driving member is provided between the outer ring and an inner ring of the fan blade.
29. The blowing device according to claim 8, wherein the fan blade has an annular shape, the driven member is provided on an inner side wall surface of an outer ring of the fan blade, and the driving member is provided between the outer ring and an inner ring of the fan blade.
30. The blower according to claim 8, wherein the fan blade is annular, the driven member is provided on an inner sidewall surface of an inner ring of the fan blade, and the driving member is provided between an outer ring and the inner ring of the fan blade.
31. The air supply arrangement of claim 8,
the driven member can rotate clockwise or counterclockwise relative to the driving member.
32. The air supply apparatus of claim 8, further comprising:
the fan blade assembly comprises a first fan cover and a second fan cover which are detachably connected, the second fan cover and the first fan cover are connected to form a containing cavity which can at least contain the fan blade assembly, and the driving part is arranged in the containing cavity.
33. The air supply device according to claim 32, wherein the support structure of the air supply device is provided on a side of the first hood facing the second hood.
34. The air supply device according to claim 32, wherein a ventilation grille is provided in the first fan housing and/or the second fan housing.
35. The air supply apparatus of claim 8, further comprising:
the base, the initiative piece is located on the base, just the base with the connection can be dismantled to the flabellum subassembly.
CN201910785881.5A 2019-08-23 2019-08-23 Air supply device Active CN112412840B (en)

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CN113513478A (en) * 2021-06-03 2021-10-19 四川三台剑门泵业有限公司 High-water-yield idling-resistant centrifugal water pump

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CN101338762A (en) * 2007-07-06 2009-01-07 台达电子工业股份有限公司 Passive fan
CN101766914A (en) * 2009-01-07 2010-07-07 鸿富锦精密工业（深圳）有限公司 Transmission device
CN204858936U (en) * 2015-06-17 2015-12-09 俞晶 Contactless permanent magnetism edge drive fan
CN205154673U (en) * 2015-11-27 2016-04-13 仨亿电器有限公司 Low -noise axial flow fan
CN107461346A (en) * 2016-06-03 2017-12-12 德昌电机(深圳)有限公司 Drive device and the bladeless fan with the drive device
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