CN111852920A - Direct current ceiling fan convenient to installation and installation are firm - Google Patents

Direct current ceiling fan convenient to installation and installation are firm Download PDF

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Publication number
CN111852920A
CN111852920A CN202010847485.3A CN202010847485A CN111852920A CN 111852920 A CN111852920 A CN 111852920A CN 202010847485 A CN202010847485 A CN 202010847485A CN 111852920 A CN111852920 A CN 111852920A
Authority
CN
China
Prior art keywords
installation
mounting
concave position
direct current
mount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010847485.3A
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Chinese (zh)
Inventor
朱鹏飞
胡伟军
陈燕平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Decomin Plastics Products Manufacturing Ltd
Original Assignee
Decomin Plastics Products Manufacturing Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Decomin Plastics Products Manufacturing Ltd filed Critical Decomin Plastics Products Manufacturing Ltd
Priority to CN202010847485.3A priority Critical patent/CN111852920A/en
Priority to PCT/CN2020/117982 priority patent/WO2022036808A1/en
Publication of CN111852920A publication Critical patent/CN111852920A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F04D25/088—Ceiling 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
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • 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
    • F04D29/005—Decorative aspects, i.e. features which have no effect on the functioning of the pump
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • 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
    • F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0088—Ventilating systems
    • F21V33/0096—Fans, e.g. ceiling fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a direct current ceiling fan convenient to mount and stable to mount, which comprises a hoisting seat and a fan assembly arranged at the lower part of the hoisting seat; the fan assembly comprises a mounting seat, a PCB (printed circuit board), a motor and fan blades; the mounting seat comprises a main body part and a first mounting part integrally extending outwards from the periphery of the outer side of the main body part; the upper surface of the first mounting part is concavely provided with a second mounting concave position, and the second mounting concave position is of a limiting structure with a small outer end and a large inner end; the PCB is provided with a direct current circuit; the second installation part is provided with a buckling platform which is downwards convexly arranged, and the buckling platform is buckled in the second installation concave position for positioning. Through radially enlarging the area of contact that the structure has increased with the mount pad with the design of second installation department, the more stable of contact, and the concave position lock location of installation on detaining the platform on the second installation department and the mount pad, the convenience more that the equipment is got up, both cooperation structures have played the effect of preventing staying simultaneously. And the direct current circuit is adopted to replace the alternating current circuit, thereby prolonging the service life; and meanwhile, the noise can be greatly reduced.

Description

Direct current ceiling fan convenient to installation and installation are firm
Technical Field
The invention relates to the technical field of ceiling fans, in particular to a direct current ceiling fan which is convenient to mount and is stable to mount.
Background
When the fan blades of the traditional ceiling fan are installed, the fan blades are placed on the fan blade fixing plates firstly, the cover plates are paved on the surfaces of the fan blades, and finally the fan blades are locked together by screws, so that the assembly is troublesome, workers need to manually lock the screws after the holes of the fan blades are aligned to the holes of the fan blades, and at least 6 screws are needed to be locked for ensuring the installation stability, so that the cost is increased. And the fool-proof structure is not arranged between the fan blade and the fan blade fixing plate, so that the fan blade is easy to install reversely, and the installation stability is also deficient.
In addition, the traditional ceiling fan is driven by an alternating current circuit, the alternating current circuit can generate relatively more heat energy, the relative mechanical energy can be reduced, the use efficiency of the mechanical energy is not high, and the service life can be influenced; while generating noise. Correspondingly, the alternating current circuit needs to be matched with a plurality of gears for speed regulation, and stepless speed regulation cannot be carried out.
Disclosure of Invention
In view of the above, the present invention is directed to the disadvantages of the prior art, and the main object of the present invention is to provide a direct current ceiling fan which is convenient to mount and is stable to mount, and which effectively solves the problems of the conventional ceiling fan that the assembly is troublesome, the cost is high, the mounting is easy to reverse, and the mounting stability is also insufficient; and the problems that the service life is influenced, noise is generated and stepless speed regulation cannot be realized due to the fact that the alternating current circuit is used for driving are solved.
The invention adopts the following technical scheme:
the utility model provides a direct current ceiling fan convenient to installation and installation are firm which characterized in that: comprises a hoisting seat and a fan component arranged at the lower part of the hoisting seat; the fan assembly comprises a mounting seat, a PCB (printed circuit board), a motor and a plurality of fan blades;
the mounting seat comprises a main body part and a plurality of first mounting parts integrally extending outwards from the periphery of the outer side of the main body part; a first mounting concave position for mounting a rotor in the motor is concavely arranged at the central position of the upper surface of the main body part; the periphery of the main body part extends upwards to form an annular mounting table for positioning a stator in the motor, and the annular mounting table is concentric with the first mounting recess; the first installation parts are arranged on the outer side periphery of the main body part at intervals, the upper surface of each first installation part is concavely provided with a second installation concave position for installing fan blades, and the second installation concave position is a limiting structure with a small outer end and a large inner end; and an installation space is formed between two adjacent first installation parts;
the PCB is arranged on the motor and is provided with a direct current circuit, and the direct current circuit comprises a main control chip module, a sliding adjusting circuit module, a driving gate circuit module, a sampling resistor module and an output motor module; the input end of the sliding adjusting circuit module is electrically connected with a speed adjusting knob matched with the sliding adjusting circuit module, the output end of the sliding adjusting circuit module is connected with the main control chip module, and the input end of the driving door circuit module is connected with the main control chip module; the sampling resistance module is connected between the driving gate circuit module and the main control chip module; the input end of the output motor module is connected with the output end of the driving door circuit module;
the motor comprises a stator and a rotor, wherein the stator is arranged on the annular mounting table and is electrically connected with the output end of the output motor module; the rotor is matched with the stator and arranged in the first mounting concave position;
each fan blade comprises a blade part and a second installation part which is extended from the inner end of the blade part in a radial direction in an expanding way, the lower surface of the second installation part is concavely provided with an avoidance position, the second installation part is provided with a buckling platform which is downwards convexly arranged and is matched with the second installation concave position, the buckling platform extends into the avoidance position, and the buckling platform is buckled in the second installation concave position from top to bottom for positioning; each second mounting part is arc-shaped, the outer side surfaces of the second mounting parts are abutting surfaces, corresponding abutting surfaces in adjacent second mounting parts respectively extend into corresponding mounting spaces to abut together, and abutting surfaces on the plurality of second mounting parts abut against each other to form a closed loop structure; and the inner wall of the second mounting part is abutted against the peripheral side surface of the main body part.
As a preferred scheme, the rotor is installed in a first installation concave position through a bearing, the bearing is embedded in the first installation concave position, and an annular step for limiting the bearing is integrally and upwards extended from the periphery of an upper end opening of the first installation concave position.
Preferably, a plurality of reinforcing ribs are convexly arranged at the joint of the second mounting part and the blade part.
Preferably, the second mounting portion has a thickness greater than a thickness of the blade portion.
As a preferable scheme, the inner side edge of the second installation part is provided with a shifting sheet in an upward protruding manner, a clamping block is arranged on the side surface, close to the main body part, of the shifting sheet in a protruding manner, correspondingly, a clamping hole is arranged on the circumferential side surface of the main body part in a recessed manner, and the clamping block is clamped and fixed in the clamping hole.
As a preferable scheme, a positioning groove is concavely arranged on the lower surface of the buckling platform, correspondingly, a positioning column is convexly arranged on the mounting concave position, and the positioning column is inserted into the positioning groove for positioning.
As a preferable scheme, a through hole penetrates through the positioning groove, correspondingly, a screw hole is concavely arranged on the positioning column, and a screw penetrates through the through hole and is in threaded connection with the screw hole.
As a preferable scheme, the motor housing is provided with a protective cover, a skirt is extended outwards from the periphery of the bottom surface of the protective cover, correspondingly, the first mounting portion is provided with a boss for the protective cover, the boss is located at the joint of the first mounting portion and the main body portion, and the skirt abuts against the boss and is locked on the boss through screws.
As a preferred scheme, the protective cover is provided with an outer cover, and the outer cover is provided with heat dissipation holes.
As a preferred scheme, the bottom surface of the mounting seat is provided with a decorative lamp, the bottom surface of the corresponding mounting seat is concavely provided with a third mounting concave position, an upper shell of the decorative lamp extends into the third mounting concave position for fixation, and the clamping hole is communicated with the third mounting concave position and the second mounting concave position directly.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
one, through the second installation department that radially enlarges the extension in blade portion inner, radially enlarge the area of contact that the structure has increased second installation department and mount pad, make its lifting surface area bigger, contact more stable, and the concave position lock location of installation on detaining the platform on the second installation department and the mount pad, played guide effect and positioning action, assemble convenience more, both cooperation structures have played the effect of preventing slow-witted simultaneously, the group is reversed when avoiding the equipment. The abutting surfaces on the second mounting parts abut against each other to form a closed loop structure, so that the blades mutually act to ensure that the blades are more stably mounted; and the inner wall of the second mounting part is abutted against the peripheral side surface of the main body part, so that the mounting stability of the fan blade is further enhanced. The direct current circuit is adopted to replace an alternating current circuit, so that the heat energy generated by the ceiling fan during working is reduced, and the utilization rate of relative mechanical energy is greatly improved, thereby prolonging the service life; meanwhile, the noise can be greatly reduced; and the wind speed can be adjusted at will by matching with a stepless speed regulation knob to replace the traditional gear for adjusting the wind speed, so that the use is more flexible, and the use feeling of consumers is improved.
And secondly, the fan blade is fixed with the mounting seat through the clamping block and the clamping buckle of the clamping hole, and the fan blade and the mounting seat are fixed together through screws, so that the connection stability of the mounting seat and the fan blade is greatly enhanced.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is an assembled perspective view of the mounting base and the fan blade according to the preferred embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is another perspective view of the mounting base and the fan blade of the preferred embodiment of the present invention;
FIG. 7 is a partial cross-sectional view of a preferred embodiment of the present invention;
fig. 8 is a partial enlarged view at B in fig. 7;
FIG. 9 is a partial exploded view of the preferred embodiment of the present invention;
FIG. 10 is a perspective view of a fan blade in accordance with the preferred embodiment of the present invention;
FIG. 11 is another perspective view of the fan blade in accordance with the preferred embodiment of the present invention;
FIG. 12 is a perspective view of a mounting base in accordance with a preferred embodiment of the present invention;
FIG. 13 is a schematic diagram of a DC circuit according to a preferred embodiment of the present invention.
The attached drawings indicate the following:
10. hoisting seat
20. Mounting base 21 and main body part
22. First installation part 23 and annular installation table
24. Annular step 25, locating column
26. Boss 201, first installation concave position
202. Second mounting recess 203, mounting space
204. Fastening hole 205, screw hole
206. Third mounting concave position 30 and PCB
31. Main control chip module 32 and sliding adjusting circuit module
33. Drive gate circuit module 34 and sampling resistor module
35. Output motor module 40 and motor
41. Stator 42 and rotor
43. Bearing 50, flabellum
51. Blade 52 and second attachment part
521. Fastening table 522 and abutting surface
501. Avoidance 502 and positioning groove
503. Through hole 53, reinforcing rib
54. Plectrum 541 and clamping block
542. Reinforcing rib 60, screw
70. Protective cover 80, outer cover
90. Ornament lamp 91, upper housing.
Detailed Description
Referring to fig. 1 to 13, a specific structure of a preferred embodiment of the present invention is shown, which includes a lifting base 10 and a fan assembly disposed at a lower portion of the lifting base; the fan assembly includes a mounting base 20, a PCB 30, a motor 40, and a plurality of fan blades 50.
The mounting seat 20 includes a main body 21 and a plurality of first mounting portions 22 integrally extending outward from an outer peripheral edge of the main body 21. A first mounting concave position 201 for mounting a rotor in the motor is concavely arranged on the central position of the upper surface of the main body part 21. The periphery of the main body part 21 extends upwards to form an annular mounting table 23 for positioning a stator in the motor, and the annular mounting table 23 is concentric with the first mounting concave position 201, so that the concentricity of the annular mounting table 23 and the first mounting concave position is ensured, and the mounting and positioning of a rotor and the stator of the motor are facilitated in the assembling process. The upper surface of each first mounting portion 12 is concavely provided with a second mounting concave portion 202, and the second mounting concave portion 202 is a limiting structure with a large inner end and a small outer end. A mounting space 203 is formed between two adjacent first mounting portions 22.
The PCB 30 is disposed on the motor 40, and the PCB 30 has a dc circuit, which includes a main control chip module 31, a sliding adjustment circuit module 32, a driving gate module 33, a sampling resistor module 34, and an output motor module 35. The input end of the sliding adjusting circuit module 32 is electrically connected with a speed adjusting knob matched with the sliding adjusting circuit module, and the speed adjusting knob is an electrodeless speed adjusting knob and replaces a traditional gear knob, so that the speed can be adjusted at will; the output end of the sliding adjusting circuit module 32 is connected to the main control chip module 31, and the operating principle of the sliding adjusting circuit module 32 is to change the voltage input from the spd port to perform detection and speed change, and the method used is to divide the voltage circuit. The input end of the driving gate circuit module 33 is connected with the main control chip module 31, and the driving gate circuit module 33 is fitted into a string-like waveform through the gate circuit switching value to perform a similar three-phase alternating current transformation. The sampling resistor module 34 is connected between the driving gate module 33 and the main control chip module 31, and the sampling resistor module 34 performs current-limiting detection by detecting the voltage at two ends of the sampling resistor. The input end of the output motor module 35 is connected to the output end of the driving gate circuit module 33. Through adopting direct current circuit to replace traditional alternating current circuit, use power reduces half, the cost is reduced, and has reduced the production of heat energy, and the rate of utilization of mechanical energy promotes greatly, has less the production of noise simultaneously.
The motor 40 includes a stator 41 and a rotor 42, the stator 41 is disposed on the annular mounting platform 23, and the stator 41 is electrically connected to the output end of the output motor module 35. The rotor 42 is installed in cooperation with the stator 41, and the rotor 42 is disposed in the first installation recess 201, specifically, the rotor 42 is installed in the first installation recess 201 through the bearing 43, the bearing 43 is embedded in the first installation recess 201, and an annular step 24 for limiting the bearing is integrally extended upward from the periphery of the upper end opening of the first installation recess 201.
Each fan blade 50 includes a blade portion 51 and a second mounting portion 52 extending radially from an inner end of the blade portion, and the radially enlarged structure increases a contact area between the second mounting portion 52 and the mounting base 10, so that the bearing area is larger and the contact is more stable. The lower surface of the second installation part 52 is concavely provided with a dodging position 501, the second installation part 52 is provided with a buckling platform 521 which is downwards convexly arranged and is matched with the second installation concave position 202, the buckling platform 521 extends into the dodging position 501, the buckling platform 521 is buckled in the second installation concave position 202 from top to bottom for positioning, the buckling platform 521 and the second installation concave position 202 are both limiting structures with large inner ends and small outer ends, the buckling platform 521 is buckled in the second installation concave position 202 to form front and back limiting, the buckling platform 521 is placed in the second installation concave position 202 to achieve the positioning effect, so that the assembly is very convenient, meanwhile, the upper surface of the second installation part 52 cannot be installed in a matched mode with the second installation concave position 202 due to the installation structures of the buckling platform 521 and the second installation concave position 201, the fool-proof effect is achieved, and the problem that the front and back surfaces of the traditional fan blade 50 are reversely installed is solved.
Each second mounting portion 52 is arc-shaped, the outer side surface of each second mounting portion 52 is an abutting surface 522, the corresponding abutting surfaces 522 of the adjacent second mounting portions 52 respectively extend into the corresponding mounting spaces 203 to abut together, the abutting surfaces 522 of the plurality of second mounting portions 52 abut against each other to form a closed loop structure, in this embodiment, the number of the fan blades 50 is three, the second mounting portions 52 of the three fan blades 50 are arc-shaped with 120 degrees, and the abutting surfaces 522 of the second mounting portions 52 of the three fan blades 50 abut against each other to form a closed loop structure, so that the plurality of fan blades 50 mutually exert force, that is, the mounting of the plurality of fan blades is more stable. And the inner wall of the second mounting portion 52 abuts against the outer peripheral side surface of the main body portion 21, thereby further enhancing the mounting stability of the fan blades 50.
A plurality of ribs 53 are protruded at the joint of the second mounting portion 52 and the blade portion 51, thereby enhancing the structural strength of the joint. And the thickness of the second mounting portion 52 is greater than that of the blade portion 51, enhancing the structural strength of the second mounting portion.
The inner edge of the second mounting portion 52 is provided with a shifting piece 54 protruding upward, and a clamping block 541 is provided on the side of the shifting piece 54 close to the main body portion 21, correspondingly, the circumferential side of the main body portion 21 is provided with a clamping hole 204 in a concave manner, the clamping block 541 is clamped and fixed in the clamping hole 204, the clamping block 541 is fixed in the clamping hole 204 in a matching manner, so that the fan blade 50 and the mounting seat 20 are effectively limited up and down, and the second mounting portion 52 is better fixed in the second mounting concave position 202. A reinforcing rib 542 for preventing the plectrum from being broken is convexly arranged on the side surface of the plectrum 54 far away from the main body part, and the reinforcing rib 542 is connected between the plectrum 54 and the second mounting part 52.
A positioning groove 502 is concavely provided on the lower surface of the fastening platform 521, correspondingly, a positioning column 25 is convexly provided on the second mounting concave position 202, the positioning column 25 is inserted into the positioning groove 502 for positioning, a through hole 503 is penetrated through the positioning groove 502, correspondingly, a screw hole 205 is concavely provided on the positioning column 25, and a screw 60 is penetrated through the through hole 503 and is screwed with the screw hole 205, thereby completely fixing the fan blade 50 on the mounting base 20.
The motor 40 is covered with a protective cover 70, a skirt 71 extends outward from the periphery of the bottom surface of the protective cover 70, correspondingly, the first mounting portion 22 is provided with a boss 26 for the protective cover, the boss 26 is located at the connection position of the first mounting portion 22 and the main body portion 21, and the skirt 71 is abutted against the boss 26 and is locked on the boss 26 through screws. The protective cover 70 is covered with an outer cover 80, and the outer cover 80 is provided with a heat dissipation hole 801. The bottom surface of the mounting seat 20 is provided with the decorative lamp 90, the bottom surface of the corresponding mounting seat 20 is concavely provided with a third mounting concave position 206, the upper shell 91 of the decorative lamp 90 extends into the third mounting concave position 206 for fixation, and the clamping hole 204 is communicated between the third mounting concave position 206 and the second mounting concave position 202.
When the fan blades 50 are assembled, the fastening bases 521 on the fan blades 50 are fastened in the corresponding second mounting recesses 202, the fastening blocks 541 are fastened and fixed with the fastening holes 204, the positioning columns 53 are inserted into the positioning grooves 502, the abutting surfaces 522 on the fan blades 50 abut against each other, and finally the fan blades 50 are fastened on the mounting base 20 by the screws 60, so that the assembly is completed.
The design of the invention is characterized in that: at first, through the second installation department that radially enlarges the extension in blade portion inner, radially enlarge the area of contact that the structure has increased second installation department and mount pad, make its lifting surface area bigger, contact more stable, and the concave position lock location of installation on detaining the platform on the second installation department and the mount pad, played guide effect and positioning action, the convenience more that the equipment is got up, both cooperation structures have played the effect of preventing slow-witted simultaneously, the group is reversed when avoiding the equipment. The abutting surfaces on the second mounting parts abut against each other to form a closed loop structure, so that the blades mutually act to ensure that the blades are more stably mounted; and the inner wall of the second mounting part is abutted against the peripheral side surface of the main body part, so that the mounting stability of the fan blade is further enhanced. The direct current circuit is adopted to replace an alternating current circuit, so that the heat energy generated by the ceiling fan during working is reduced, and the utilization rate of relative mechanical energy is greatly improved, thereby prolonging the service life; meanwhile, the noise can be greatly reduced; and the wind speed can be adjusted at will by matching with a stepless speed regulation knob to replace the traditional gear for adjusting the wind speed, so that the use is more flexible, and the use feeling of consumers is improved. Secondly, the clamping block is fixed with the clamping hole through the clamping, and the fan blade and the mounting seat are fixed together through screws, so that the connection stability of the mounting seat and the fan blade is greatly enhanced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims (10)

1. The utility model provides a direct current ceiling fan convenient to installation and installation are firm which characterized in that: comprises a hoisting seat and a fan component arranged at the lower part of the hoisting seat; the fan assembly comprises a mounting seat, a PCB (printed circuit board), a motor and a plurality of fan blades;
the mounting seat comprises a main body part and a plurality of first mounting parts integrally extending outwards from the periphery of the outer side of the main body part; a first mounting concave position for mounting a rotor in the motor is concavely arranged at the central position of the upper surface of the main body part; the periphery of the main body part extends upwards to form an annular mounting table for positioning a stator in the motor, and the annular mounting table is concentric with the first mounting recess; the first installation parts are arranged on the outer side periphery of the main body part at intervals, the upper surface of each first installation part is concavely provided with a second installation concave position for installing fan blades, and the second installation concave position is a limiting structure with a small outer end and a large inner end; and an installation space is formed between two adjacent first installation parts;
the PCB is arranged on the motor and is provided with a direct current circuit, and the direct current circuit comprises a main control chip module, a sliding adjusting circuit module, a driving gate circuit module, a sampling resistor module and an output motor module; the input end of the sliding adjusting circuit module is electrically connected with a speed adjusting knob matched with the sliding adjusting circuit module, the output end of the sliding adjusting circuit module is connected with the main control chip module, and the input end of the driving door circuit module is connected with the main control chip module; the sampling resistance module is connected between the driving gate circuit module and the main control chip module; the input end of the output motor module is connected with the output end of the driving door circuit module;
the motor comprises a stator and a rotor, wherein the stator is arranged on the annular mounting table and is electrically connected with the output end of the output motor module; the rotor is matched with the stator and arranged in the first mounting concave position;
each fan blade comprises a blade part and a second installation part which is extended from the inner end of the blade part in a radial direction in an expanding way, the lower surface of the second installation part is concavely provided with an avoidance position, the second installation part is provided with a buckling platform which is downwards convexly arranged and is matched with the second installation concave position, the buckling platform extends into the avoidance position, and the buckling platform is buckled in the second installation concave position from top to bottom for positioning; each second mounting part is arc-shaped, the outer side surfaces of the second mounting parts are abutting surfaces, corresponding abutting surfaces in adjacent second mounting parts respectively extend into corresponding mounting spaces to abut together, and abutting surfaces on the plurality of second mounting parts abut against each other to form a closed loop structure; and the inner wall of the second mounting part is abutted against the peripheral side surface of the main body part.
2. The direct current ceiling fan of claim 1, which is easy to mount and stable to mount, wherein: the rotor is installed in the first installation concave position through a bearing, the bearing is embedded in the first installation concave position, and an annular step used for limiting the bearing is integrally and upwards extended from the periphery of an opening at the upper end of the first installation concave position.
3. The direct current ceiling fan of claim 1, which is easy to mount and stable to mount, wherein: the second installation department is equipped with a plurality of strengthening ribs with the protruding department of blade portion junction.
4. The direct current ceiling fan of claim 1, which is easy to mount and stable to mount, wherein: the thickness of the second installation part is greater than that of the blade part.
5. The direct current ceiling fan of claim 1, which is easy to mount and stable to mount, wherein: the inner side edge of the second installation part is upwards convexly provided with a shifting sheet, a clamping block is convexly arranged on the side face, close to the main body part, of the shifting sheet, correspondingly, a clamping hole is concavely arranged on the circumferential side face of the main body part, and the clamping block is clamped and fixed on the clamping hole.
6. The direct current ceiling fan of claim 1, which is easy to mount and stable to mount, wherein: the lower surface of the buckling platform is concavely provided with a positioning groove, correspondingly, the installation concave position is convexly provided with a positioning column, and the positioning column is inserted into the positioning groove for positioning.
7. The direct current ceiling fan of claim 6, wherein the mounting is facilitated and stabilized by: the locating groove is provided with a through hole in a penetrating mode, correspondingly, the locating column is provided with a screw hole in a concave mode, and the screw penetrates through the through hole and is connected with the screw hole in a screwing mode.
8. The direct current ceiling fan of claim 1, which is easy to mount and stable to mount, wherein: the motor outer cover is provided with a protective cover, the periphery of the bottom surface of the protective cover extends outwards to form a skirt edge, correspondingly, the first mounting part is provided with a boss for the protective cover, the boss is located at the joint of the first mounting part and the main body part, and the skirt edge is abutted against the boss and is locked on the boss through screws.
9. The direct current ceiling fan of claim 8, wherein the mounting is facilitated and stabilized by: the protective cover is provided with an outer cover, and the outer cover is provided with heat dissipation holes.
10. The direct current ceiling fan of claim 5, wherein the mounting is facilitated and stabilized, and further comprising: the bottom surface of mount pad is provided with the ornament lamp, and the bottom surface of the mount pad that corresponds is concave to be equipped with the concave position of third installation, and the epitheca of ornament lamp stretches into in the concave position of third installation fixed, and between above-mentioned card hole intercommunication concave position of third installation and the concave position of second installation.
CN202010847485.3A 2020-08-21 2020-08-21 Direct current ceiling fan convenient to installation and installation are firm Pending CN111852920A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010847485.3A CN111852920A (en) 2020-08-21 2020-08-21 Direct current ceiling fan convenient to installation and installation are firm
PCT/CN2020/117982 WO2022036808A1 (en) 2020-08-21 2020-09-27 Direct-current ceiling fan which is convenient to install and has stable installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010847485.3A CN111852920A (en) 2020-08-21 2020-08-21 Direct current ceiling fan convenient to installation and installation are firm

Publications (1)

Publication Number Publication Date
CN111852920A true CN111852920A (en) 2020-10-30

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Application Number Title Priority Date Filing Date
CN202010847485.3A Pending CN111852920A (en) 2020-08-21 2020-08-21 Direct current ceiling fan convenient to installation and installation are firm

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CN (1) CN111852920A (en)
WO (1) WO2022036808A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6872053B2 (en) * 1997-05-05 2005-03-29 King Of Fans Quick install blade arms for ceiling fans
CN2308751Y (en) * 1997-07-03 1999-02-24 许森昆 Ceiling fan motor device having combined vane and frame
US6149388A (en) * 1999-08-23 2000-11-21 Liao; Ming Hang Combination of a blade bracket and a collar of a ceiling fan
CN2531150Y (en) * 2001-12-06 2003-01-15 简进益 Ceiling fan blade and carriage combined device
CN202560635U (en) * 2012-05-31 2012-11-28 黄晓铭 Mounting structure of ceiling fan blades
CN209324740U (en) * 2019-01-07 2019-08-30 江门富东电器有限公司 Ceiling-fan blade installing mechanism
CN210484136U (en) * 2019-08-16 2020-05-08 中山晶钻电器科技实业有限公司 Fast assembly decorates ceiling fan
CN211059065U (en) * 2019-11-13 2020-07-21 新盛世机电制品(中山)有限公司 Fan blade connecting structure of ceiling fan lamp

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Inventor after: Zhu Penghui

Inventor after: Hu Weijun

Inventor after: Chen Yanping

Inventor before: Zhu Pengfei

Inventor before: Hu Weijun

Inventor before: Chen Yanping