CN116599268B - DC, dry-wet dual-purpose fan motor - Google Patents
DC, dry-wet dual-purpose fan motor Download PDFInfo
- Publication number
- CN116599268B CN116599268B CN202310367526.2A CN202310367526A CN116599268B CN 116599268 B CN116599268 B CN 116599268B CN 202310367526 A CN202310367526 A CN 202310367526A CN 116599268 B CN116599268 B CN 116599268B
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- stator
- shell
- dry
- upper bracket
- bracket
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Links
- 230000007704 transition Effects 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000006223 plastic coating Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
- H02K1/2733—Annular magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a direct current, dry and wet fan and a floor washing machine motor, which comprises a machine shell, wherein an upper bracket and a lower bracket are respectively arranged at the upper end and the lower end of the machine shell, a rotor assembly and a stator assembly are arranged in an inner cavity of the machine shell, the stator assembly comprises a stator upper framework, a stator lower framework and a stator core, a stator wheel is arranged at the lower part of the rotor assembly, an oil seal is arranged in the stator wheel, a clearance surface is arranged on the surface of the upper bracket, at least three through holes are formed in the end face of the upper bracket, a plurality of radiating fins are uniformly and symmetrically arranged at the outer side of the upper bracket, a protruding step is arranged at the lower end of the upper bracket, and the protruding step is in transition fit with the inner wall of the machine shell. The invention has the beneficial effects that: the heat radiating area is big, is favorable to motor temperature rise to improve, and the casing adopts the extrusion aluminium alloy not only to reduce machining cost, and the mould is with low costs, and finished product density is high, and casing simple structure is convenient for detect accuse, and with stator core complete contact, has stronger radiating effect, and the lower carriage adopts the stamping workpiece, need not machining, and the part cost is lower.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a direct current and dry and wet fan motor.
Background
The motor structure of the existing dry-wet dual-purpose direct current motor consists of a shell component and a stator component. The shell assembly comprises an upper bracket, a shell and a fixed impeller, wherein the shell is an aluminum casting and needs secondary processing, and as an exposed part, the surface of the shell needs to be subjected to oxidation treatment to meet the corrosion resistance requirement of the whole machine; the stator assembly is installed in the casing, and because the casing adopts the semi-seal structure design, the stator assembly can not be reworked or replaced if abnormal, is scrapped together with the casing generally, the cost of the motor is increased, the rejection rate of the product is improved, the control assembly is contacted with the upper bracket through heat-conducting silica gel, but the upper bracket can not directly carry out heat transfer with the external environment, and the temperature rise of the motor is not facilitated to be improved.
Disclosure of Invention
The invention aims to provide a direct current and dry and wet fan motor to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a direct current, dry and wet dual-purpose fan motor, includes the casing, both ends are equipped with upper bracket and lower carriage respectively about the casing, be equipped with rotor subassembly and stator module in the casing inner chamber, stator module includes skeleton, stator lower frame and stator core down, rotor module lower part is equipped with stator impeller, be equipped with the oil blanket in the stator impeller, the upper bracket upper surface is equipped with keeps away the position face, at least three through-hole has been seted up to the upper bracket terminal surface, the upper bracket outside is equipped with a plurality of even and symmetry and sets up the fin, the upper bracket lower extreme is equipped with outstanding step, just should outstanding step with casing inner wall transitional coupling.
Further preferably, the casing extrudes the aluminum profile, and the casing internal diameter with stator core external diameter linkage, both transition fit to bond through glue, the casing inboard is equipped with three at least U type square groove, three U type square groove tank bottom diameter with the biggest circumscribed circular size linkage of skeleton terminal base on the stator, the casing inboard has the many perpendicular muscle that the equidistance set up, perpendicular muscle width is 0.5-1 time wall thickness.
Further preferably, the lower support is of a stamping structure, the inner wall of the opening of the lower support is associated with the outer wall of the shell in size, interference fit is achieved between the inner wall of the lower support and the outer wall of the shell, the inner wall of the lower support is coated with adhesive, and the opening of the shell is further provided with a pre-installation guide flanging.
Further preferably, the fixed impeller is an integrally formed injection molding structure, the middle part of the fixed impeller is provided with a mounting hole, the upper end of the mounting hole is in radial linkage with the outer diameter of the bearing chamber of the lower bracket, and the lower end of the mounting hole is in radial linkage with the outer diameter of the oil seal.
Further preferably, the lower support and the fixed impeller are connected through screws, silica gel is filled between the lower support and the fixed impeller, the fixed impeller is an integrally formed injection molding piece, and the oil seal is in clearance fit with the oil seal chamber and is fixedly adhered through instant dry glue.
Further preferably, the exterior of the stator core is an integral framework structure formed by plastic coating.
Further preferably, the rotor assembly comprises an optical axis, a shaft sleeve, magnetic steel and a spring, wherein the shaft sleeve is sleeved on the optical axis, and the magnetic steel and the spring are respectively arranged at the upper end and the lower end of the shaft sleeve.
Further preferably, the step is internally provided with uniformly distributed vertical glue storage grooves, the height of each vertical glue storage groove is 1-4mm, the depth of each vertical glue storage groove is 0.1-0.3mm, the height of each glue storage groove is related to the height of the step, and the outer side and the bottom of the step are coated with adhesive glue.
Advantageous effects
The direct current and dry and wet fan motor provided by the invention has the advantages that the upper bracket has more radiating fins and large radiating area, the motor temperature rise is improved, the extruded aluminum profile is adopted by the shell, the machining cost is reduced, the die cost is low, the density of the finished product is high, the shell passes through the 96-hour salt spray test, the structure of the shell is simple, the detection and control are convenient, the shell is in complete contact with the stator core, the radiating effect is strong, the stamping part is adopted by the lower bracket, the machining is not needed, and the cost of parts is low.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of an upper bracket of the present invention;
FIG. 3 is a schematic top view of the upper rack of the present invention;
FIG. 4 is a schematic diagram of a heat sink according to the present invention;
FIG. 5 is a schematic diagram of the overall structure of the housing of the present invention;
FIG. 6 is a schematic view of the whole structure of the lower bracket of the present invention;
FIG. 7 is a schematic view of the overall structure of the stator impeller of the present invention;
FIG. 8 is a schematic view of the overall structure of a stator assembly according to the present invention;
FIG. 9 is a schematic view of the overall structure of the rotor assembly;
FIG. 10 is a schematic view of a seal structure of the present invention;
fig. 11 is a schematic diagram of the overall structure of the prior art.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1-10, a direct current and wet and dry fan motor comprises a casing 1, wherein an upper bracket 2 and a lower bracket 3 are respectively arranged at the upper end and the lower end of the casing 1, a rotor assembly 4 and a stator assembly 5 are arranged in an inner cavity of the casing 1, the stator assembly comprises a stator upper framework, a stator lower framework and a stator core, a stator wheel 6 is arranged at the lower part of the rotor assembly 4, an oil seal 7 is arranged in the stator wheel 6, a clearance surface is arranged on the upper surface of the upper bracket, at least three through holes 8 are formed in the end face of the upper bracket 2, a plurality of uniformly and symmetrically arranged radiating fins 9 are arranged on the outer side of the upper bracket 2, a protruding step is arranged at the lower end of the upper bracket 2, and the protruding step is in transition fit with the inner wall of the casing 1.
In the embodiment, the shell 1 extrudes an aluminum profile, the inner diameter of the shell 1 is in linkage with the outer diameter of the stator core, the inner diameter of the shell 1 and the outer diameter of the stator core are in transition fit and are bonded through glue, at least three U-shaped square grooves 10 are formed in the inner side of the shell 1, the bottom diameters of the three U-shaped square grooves 10 are in linkage with the largest circumscribed circle size of a framework terminal base on the stator, and therefore gaps between the outer wall of the framework and the shell are guaranteed to meet the GB4706.1-2005 safety requirements, and accordingly the motor pressure-resistant requirements are met; meanwhile, the U-shaped groove is also used as a positioning surface for press mounting of the stator assembly; the inner side of the shell is provided with vertical ribs which are uniformly distributed, the heat radiating area of the shell is effectively increased on the basis of reinforcing the structural strength of the shell, the shell is in complete contact with the stator core, the heat radiating effect is stronger, the inner side of the shell 1 is provided with a plurality of vertical ribs which are equidistantly arranged, and the width of each vertical rib is 0.5-1 times of the wall thickness.
The lower support 3 is a stamping structure, the inner wall of the opening of the lower support 3 is related to the outer wall of the shell 1 in size, interference fit is achieved between the inner wall of the lower support 3 and the outer wall, the inner wall of the lower support 3 is coated with adhesive, the opening of the shell 1 is further provided with a pre-installation guide flanging, the plane of the opening is used as the plane of a locating surface of the shell to the opening, and the opening is 4-7mm, and is pressed and fitted to fit.
Decide impeller 6 as integrated into one piece's injection structure, the middle part is equipped with mounting hole 11, and mounting hole 11 upper end and the outside diameter of the bearing room linkage of lower carriage 3, mounting hole 11 lower extreme and the outside diameter linkage of oil blanket, silica gel packing clearance during the assembly, accomplish sealedly, adopt the bottom to play the muscle, avoided the upper end retaining to lead to sealed risk of inefficacy.
The lower support 3 and the stator impeller 6 are connected through screws, silica gel is filled between the lower support 3 and the stator impeller 6, the stator impeller 6 is an integrally formed injection molding piece, the oil seal 7 is in clearance fit with the oil seal chamber and is fixed through instant adhesive, the outer part of the stator core is of a plastic-covered integrated framework structure, and when the plastic-covered integrated framework is formed, the stator core can be pressed by a die to be punched, and then plastic-covered and shaped, so that vibration among stator sheets is reduced, and vibration of a motor in a low-power section is reduced.
The rotor assembly 4 comprises an optical axis 12, a shaft sleeve 13, magnetic steel 14 and a spring 15, wherein the shaft sleeve 13 is sleeved on the optical axis 12, the magnetic steel 14 and the spring 15 are respectively arranged at the upper end and the lower end of the shaft sleeve 13, the spring 15 is replaced by being arranged below the shaft sleeve 13, and the lower end of the rotor extends out to be longer, so that a rotating shaft and a bearing can be preinstalled when the whole machine is assembled, and the motor abnormality caused by the collision of the bearing due to installation is avoided.
The step is internally provided with vertical glue storage grooves which are uniformly distributed, the height of the vertical glue storage grooves is 1-4mm, the depth of the vertical glue storage grooves is 0.1-0.3mm, the height of the glue storage grooves is related to the height of the step, and the outer side and the bottom of the step are coated with adhesive glue.
The matching part of the upper bracket and the shell is sealed and treated by adopting UV compress type coating materials;
after the lower bracket is installed in place, adding silica gel into the flanging at the opening part for sealing, wherein the dosage of the silica gel is 0.3-1ml, so that gaps among parts are fully filled, and the motor shell is sealed;
the bulge at the bottom of the bracket is matched with the fixed impeller for pre-installation, the silica gel filling position at the bottom is filled with 1-4ml of silica gel, the silica gel is matched with the inclined boss at the upper end of the movable impeller, and the inclined boss extrudes and scoops out the silica gel during assembly, so that the gap between parts is filled, the motor assembly is sealed, and the two parts are fixed through screws.
An inner hole at the lower end of the fixed impeller is linked with the outer diameter of the oil seal, and the fixed impeller and the oil seal are in interference fit, so that the risk of water leakage of a fan section is avoided; unlike the former upper end rib, the invention adopts the bottom rib, which effectively solves the problem of sealing failure caused by upper end water storage.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the summary of the present invention within the scope of the present invention.
Claims (6)
1. A direct current, dry and wet dual-purpose fan motor, its characterized in that: comprises a shell (1), an upper bracket (2) and a lower bracket (3) are respectively arranged at the upper end and the lower end of the shell (1), a rotor component (4) and a stator component (5) are arranged in an inner cavity of the shell (1), the stator component comprises a stator upper framework, a stator lower framework and a stator core, a stator wheel (6) is arranged at the lower part of the rotor component (4), an oil seal (7) is arranged in the stator wheel (6), a position avoiding surface is arranged on the upper surface of the upper bracket, at least three through holes (8) are formed in the end face of the upper bracket (2), a plurality of radiating fins (9) are uniformly and symmetrically arranged outside the upper bracket (2), a protruding step is arranged at the lower end of the upper bracket (2), the protruding step is in transition fit with the inner wall of the shell (1), the shell (1) extrudes aluminum profiles, the inner diameter of the shell (1) is in linkage with the outer diameter of the stator core, the inner diameter of the shell (1) and the outer diameter of the stator core are in transition fit and are bonded through glue, at least three U-shaped square grooves (10) are formed in the inner side of the shell (1), the bottom diameters of the three U-shaped square grooves (10) are in linkage with the largest circumscribed circle size of the upper framework terminal base of the stator, a plurality of vertical ribs are equidistantly arranged in the inner side of the shell (1), the width of each vertical rib is 0.5-1 time of the wall thickness, the lower support (3) is of a stamping structure, the inner wall of the mouth of the lower support (3) is related to the outer wall size of the shell (1), the two are in interference fit, the inner wall of the lower bracket (3) is coated with adhesive, and the opening of the shell (1) is also provided with a preinstalled guide flanging.
2. The direct current, dry and wet fan motor according to claim 1, wherein: the fixed impeller (6) is of an integrally formed injection molding structure, the middle of the fixed impeller is provided with a mounting hole (11), the upper end of the mounting hole (11) is in radial linkage with the bearing chamber of the lower bracket (3), and the lower end of the mounting hole (11) is in radial linkage with the oil seal.
3. The direct current, dry and wet fan motor according to claim 1, wherein: the lower support (3) with stator impeller (6) pass through screw connection, lower support (3) with fill between stator impeller (6) and have silica gel, stator impeller (6) are integrated into one piece's injection molding, clearance fit between oil blanket (7) and the oil blanket room, and fix through the instant dry adhesive.
4. The direct current, dry and wet fan motor according to claim 1, wherein: the outside of the stator core is an integral framework structure formed by plastic coating.
5. The direct current, dry and wet fan motor according to claim 1, wherein: the rotor assembly (4) comprises an optical axis (12), a shaft sleeve (13), magnetic steel (14) and a spring (15), wherein the shaft sleeve (13) is sleeved on the optical axis (12), and the magnetic steel (14) and the spring (15) are respectively arranged at the upper end and the lower end of the shaft sleeve (13).
6. The direct current, dry and wet fan motor according to claim 1, wherein: the step is internally provided with vertical glue storage grooves which are uniformly distributed, the height of each vertical glue storage groove is 1-4mm, the depth of each vertical glue storage groove is 0.1-0.3mm, the height of each glue storage groove is related to the height of the step, and the outer side and the bottom of the step are coated with adhesive glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310367526.2A CN116599268B (en) | 2023-04-07 | 2023-04-07 | DC, dry-wet dual-purpose fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310367526.2A CN116599268B (en) | 2023-04-07 | 2023-04-07 | DC, dry-wet dual-purpose fan motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116599268A CN116599268A (en) | 2023-08-15 |
| CN116599268B true CN116599268B (en) | 2024-03-19 |
Family
ID=87598024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310367526.2A Active CN116599268B (en) | 2023-04-07 | 2023-04-07 | DC, dry-wet dual-purpose fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116599268B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216904598U (en) * | 2021-12-30 | 2022-07-05 | 追觅创新科技(苏州)有限公司 | Motor structure, motor and cleaning equipment |
| CN217010524U (en) * | 2021-09-26 | 2022-07-19 | 苏州上古时代智能科技有限公司 | Dry-wet dual-purpose brushless dust collector motor |
| CN114810639A (en) * | 2022-06-01 | 2022-07-29 | 广东威灵电机制造有限公司 | Fan and floor cleaning machine |
| CN217720916U (en) * | 2022-05-26 | 2022-11-01 | 苏州凯航电机有限公司 | Low-noise low-vibration brushless direct current motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185196B (en) * | 2018-09-30 | 2020-04-10 | 广东威灵电机制造有限公司 | Electric fan |
-
2023
- 2023-04-07 CN CN202310367526.2A patent/CN116599268B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217010524U (en) * | 2021-09-26 | 2022-07-19 | 苏州上古时代智能科技有限公司 | Dry-wet dual-purpose brushless dust collector motor |
| CN216904598U (en) * | 2021-12-30 | 2022-07-05 | 追觅创新科技(苏州)有限公司 | Motor structure, motor and cleaning equipment |
| CN217720916U (en) * | 2022-05-26 | 2022-11-01 | 苏州凯航电机有限公司 | Low-noise low-vibration brushless direct current motor |
| CN114810639A (en) * | 2022-06-01 | 2022-07-29 | 广东威灵电机制造有限公司 | Fan and floor cleaning machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116599268A (en) | 2023-08-15 |
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