CN108306453B - Motor and blower - Google Patents
Motor and blower Download PDFInfo
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- CN108306453B CN108306453B CN201810175663.5A CN201810175663A CN108306453B CN 108306453 B CN108306453 B CN 108306453B CN 201810175663 A CN201810175663 A CN 201810175663A CN 108306453 B CN108306453 B CN 108306453B
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- diffuser
- blades
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- 238000005452 bending Methods 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
-
- 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
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Embodiments of the present application relate to a motor and blower, the motor comprising: a housing, a diffuser, a rotor assembly, and a stator assembly. The housing includes: the blade assembly comprises a housing portion, an inner ring portion, a plurality of clamp arms and a plurality of vertical blades. An annular channel is arranged between the inner ring part and the outer shell part, and a plurality of vertical blades are respectively connected with the outer shell part and the inner ring part. The clamping arms are all arranged on the inner wall of the shell part in a surrounding mode and are respectively connected and fixed with the shell part. The diffuser includes: a main body part and a plurality of bending blades. Each bending blade is arranged on the main body part in a ring mode, corresponds to each vertical blade on the shell one by one and is connected with each other. The rotor assembly includes: bearing assembly, pivot, magnetic force spare. The bearing assembly is fixedly arranged on the inner ring part, the rotating shaft is connected with the bearing assembly in a matched mode, and the magnetic force piece is arranged on the rotating shaft in a surrounding mode. The stator component is fixedly connected with each clamping arm. The motor can stably run at a high rotating speed, and the formed motor has high wind speed, large wind quantity and controllable manufacturing cost.
Description
Technical Field
The embodiment of the application relates to the field of motors, in particular to a motor and a blower.
Background
A hair dryer is an electric appliance mainly used for drying and shaping hair, and is generally formed by combining a group of electric heating wires and a small fan. When the electric heating wire is electrified, heat is generated by the electric heating wire, and the air blown by the fan is changed into hot air through the electric heating wire. If only a small fan rotates and the heating wire is not hot, cold air is blown out. While the rotation of the small fan is driven by a motor. The motor used by the existing blower is usually a brush motor or a low-rotation-speed brushless direct current motor.
However, the inventor finds that the low-rotation brushless direct current motor has low rotation speed, the small fan driven by the motor rotates to form low wind speed and small wind quantity, and the brush motor has the same problems as the low-rotation brushless motor and has short service life of a carbon brush.
Disclosure of Invention
The embodiment of the application aims to provide a motor which can stably run at a high rotating speed, can drive an impeller to form high wind speed and large wind quantity, and has controllable manufacturing cost.
In order to solve the above technical problems, an embodiment of the present application provides a motor, including: a housing, a diffuser, a rotor assembly, and a stator assembly;
the shell specifically comprises: the device comprises a shell part, an inner ring part, M clamping arms and N vertical blades; wherein M, N are natural numbers greater than or equal to 3; the inner ring part is arranged in the shell part, and an annular channel is arranged between the inner ring part and the shell part; the N vertical blades are respectively connected with the outer shell part and the inner ring part; the M clamping arms are all arranged on the inner wall of the shell part in a surrounding way and are respectively connected and fixed with the shell part;
the diffuser is fixed to be set up in the shell portion, specifically includes: a main body portion, N curved blades; the main body part is provided with a channel for the rotor component to pass through; the N bending blades are arranged on the main body in a surrounding manner, each vertical blade on the shell corresponds to each bending blade on the diffuser one by one and is connected with each other, and each connected vertical blade and bending blade divide the annular channel into N air channels for ventilation;
the rotor assembly specifically includes: bearing assembly, spindle, magnetic force piece; the bearing component is fixedly arranged on the inner ring part; the rotating shaft is connected with the bearing component in a matching way; the magnetic force piece is arranged on the rotating shaft in a ring manner;
the stator assembly is fixedly connected with the M clamping arms and is provided with a containing space for containing the magnetic force pieces of the rotor assembly.
Embodiments of the present application also provide a hair dryer including a motor as above.
Compared with the prior art, the shell of the motor consists of an outer shell part, an inner ring part, a plurality of vertical blades and a plurality of clamping arms. The inner wall of the shell part is provided with a plurality of clamping arms in a surrounding mode, the stator assembly is brought in different directions and supported, the coaxiality of the stator assembly and the rotating shaft is guaranteed, and the motor does not have failure risk under long-time alternating electromagnetic force. In addition, a diffuser is additionally arranged on the shell part of the shell, and the diffuser consists of a main body part and bending blades which are arranged on the main body part and have the same number as the vertical blades. Wherein, each vertical blade on the casing corresponds with each crooked blade on the diffuser one by one to interconnect, and each vertical blade after connecting with crooked blade cuts apart the annular channel into a plurality of wind channels that are used for ventilating. The structure breaks the shell of the original blade which is complex in structure and difficult to manufacture into two parts which are easy to process, so that the manufacturing cost is controlled, in addition, the two parts are respectively provided with the vertical blades and the bending blades, and after the two parts are combined, the air separation and the turbulence can not be easily formed in the air duct, so that the efficiency of the motor is improved, the motor can stably operate at a high rotating speed, the wind speed which can be formed by driving the impeller is high, and the wind quantity is large.
In addition, one side of each of the M clamping arms far away from the shell part is provided with a clamping part; the stator assembly is provided with M clamping grooves, and each clamping groove is used for respectively corresponding to the clamping parts of each clamping arm one by one and mutually matched when being assembled. Therefore, the clamping parts of different clamping arms and different clamping grooves of the stator assembly can be mutually clamped, and support is brought to the stator assembly in different directions.
In addition, each clamping groove is an arc-shaped groove, and the clamping part of each clamping arm is cylindrical, so that the positioning between the stator assembly and the shell can be ensured, and the stator assembly is prevented from vibrating at high speed.
In addition, the diameter of the clamping part of each clamping arm in a cylindrical shape is slightly larger than the thickness of each clamping arm, so that tremble can be eliminated.
In addition, each clamping groove and each clamping part have a clearance of 0.1mm during assembly, each clamping groove and each clamping part are fixed by glue, the fixing effect is good, and the cost is relatively low.
In addition, each clamping groove is tightly matched and fixed with each clamping part, and the fixing effect is good.
In addition, N is greater than M, M arm lock are connected with wherein M vertical blade in N vertical blade respectively, and each interconnect's arm lock and vertical blade integrated into one piece can simplify the assembly step, increases the joint strength between arm lock and the vertical blade.
In addition, M is the multiple of N, can make the arm lock be connected with the blade uniformly, not only can guarantee the air flow effect in the wind channel, can strengthen the joint strength of arm lock to a certain extent again.
In addition, the main body part of the diffuser is fixedly connected with the inner ring part of the shell, so that the air duct of the shell can extend to the diffuser.
In addition, the inner ring part specifically comprises an inner ring main body and a main body extension section; the inner ring main body is connected with the main body extension section; the main body of the diffuser is provided with a notch, the shape and the size of the notch are matched with those of the extension section, the extension section is embedded into the notch and is bonded with the notch through an adhesive, so that the shell and the diffuser can form a whole, and the connection reliability is ensured.
In addition, be equipped with a outstanding along the pivot direction of the rotor subassembly of motor on the inner ring main part, the main part of diffuser is equipped with a sunken along the pivot direction of the rotor subassembly of motor, outstanding and sunken mutually fit when the assembly, the assembly of casing and diffuser of being convenient for.
In addition, N bending blades on the diffuser and the shell part of the shell are provided with gaps of 0.1mm, so that the diffuser can be assembled into the shell, and the blades enable the gas in the air duct to flow with higher efficiency.
In addition, the shell is integrally formed, so that the assembly step can be simplified, and the connection strength of all parts in the shell is ensured.
In addition, the blower also includes an impeller, the impeller including: the hub and X axial flow blades, wherein X is a natural number greater than or equal to 9; x axial flow blades are annularly arranged on the hub by taking the center of the hub as a base point; the projections of the axial flow blades on a plane perpendicular to the axis of rotation of the motor rotor assembly do not overlap each other. Because there is no complex overlapping structure between the blades, the structure becomes relatively simple, the manufacturing difficulty is correspondingly reduced, the production efficiency can be effectively improved, and the production cost is reduced.
In addition, a stepped hole is formed in the center of the hub, and the stepped hole comprises a first stepped part, a connecting section and a second stepped part; the first step part is used for being in interference fit with the rotating shaft, the connecting section is connected with the first step part and the second step part respectively, and the second step part is used for being fixed with the rotating shaft through an adhesive. Therefore, a double fixing structure is arranged between the impeller and the rotating shaft, so that the impeller can be prevented from falling off from the rotating shaft when rotating.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic cross-sectional view of an electric motor in a first embodiment of the application;
fig. 2 is a schematic diagram showing an assembled structure of a housing and a stator assembly of an electric motor according to a first embodiment of the present application;
fig. 3 is a schematic view showing an assembled structure of a housing and a stator assembly of an electric motor according to another view angle of the first embodiment of the present application;
FIG. 4 is an exploded view of a housing and diffuser in a first embodiment of the present application;
FIG. 5 is a cross-sectional view of the housing and diffuser of the first embodiment of the present application assembled;
FIG. 6 is a cross-sectional view of the housing in a first embodiment of the application from another perspective after assembly with a diffuser;
fig. 7 is a schematic view of an impeller of a blower in accordance with a second embodiment of the present application;
fig. 8 is a schematic sectional view showing the internal structure of the blower in the first embodiment of the present application;
fig. 9 is a schematic cross-sectional view of an impeller of a blower in a second embodiment of the application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present application, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the claimed application may be practiced without these specific details and with various changes and modifications based on the following embodiments.
A first embodiment of the present application relates to an electric machine, as shown in fig. 1, including: a housing 1, a diffuser 2, a rotor assembly 3 and a stator assembly 4. The housing 1 specifically includes: a housing portion 11, an inner ring portion 12, a plurality of clip arms 13 and a plurality of vertical vanes 14. Wherein the number of clamping arms 13 and vertical vanes 14 is greater than or equal to 3. The inner ring part 12 is arranged inside the shell part 11, an annular channel is arranged between the inner ring part 12 and the shell part 11, and a plurality of vertical blades 14 are respectively connected with the shell part 11 and the inner ring part 12; the plurality of clamping arms 13 are all arranged on the inner wall of the shell part 11 in a surrounding mode and are respectively connected and fixed with the shell part 11. The diffuser 2 is fixedly disposed in the housing 11, and specifically includes: a main body 21, and a number of curved blades 22 equal to the number of vertical blades 14. The main body 21 has a channel for the rotor assembly 3 to pass through, each curved blade 22 is looped on the main body 21, each vertical blade 14 on the casing 1 corresponds to each curved blade 22 on the diffuser 2 one by one and is connected with each other, and each connected vertical blade 14 and curved blade 22 divide the annular channel into air channels for ventilation, which are the same in number as the vertical blades 14. The rotor assembly 3 specifically includes: bearing assembly 31, pivot 32, magnetic force piece 33. The bearing assembly 31 is fixedly disposed on the inner ring portion 12, the rotating shaft 32 is connected with the bearing assembly 31 in a matching manner, and the magnetic member 33 is disposed on the rotating shaft 32 in a surrounding manner. The stator assembly 4 is fixedly connected with each clamping arm 13, and is provided with a containing space for containing the magnetic member 33 of the rotor assembly 3.
It will be apparent from the above description that the housing 1 of the motor is composed of a housing part 11, an inner ring part 12, a plurality of vertical blades 14 and a plurality of clamp arms 13. A plurality of clamping arms 13 are arranged on the inner wall of the housing part 11 in a surrounding manner, support is brought to the stator assembly 4 in different directions, coaxiality of the stator assembly 4 and the rotating shaft 32 is ensured, and the motor does not have failure risk under long-time alternating electromagnetic force. The diffuser 2 is added to the case 11 of the housing 1, and the diffuser 2 includes a main body 21 and a number of curved blades 22 equal to the number of vertical blades 14 provided in the main body 21. Wherein, each vertical blade 14 on the shell 1 corresponds to each bending blade 22 on the diffuser 2 one by one and is connected with each other, and each connected vertical blade 14 and bending blade 22 divide the annular channel into a plurality of air channels for ventilation. The structure breaks the shell 1 with the original complex blade structure and difficult manufacture into two parts which are easy to process, so that the manufacturing cost is controlled, in addition, the two parts are respectively provided with the vertical blades 14 and the bending blades 22, and after the two parts are combined, the air separation and the turbulence can not be easily formed in the air duct, so that the efficiency of the motor is improved, the motor can stably operate at a high rotating speed, the wind speed formed by driving the impeller is high, and the wind quantity is large.
As shown in fig. 2, in the present embodiment, the number of the clamping arms 13 is three, one side of the clamping arms 13 away from the housing portion 11 is provided with one clamping portion 131, and the stator assembly 4 is provided with three clamping grooves 41, and each clamping groove 41 is used for respectively corresponding to each clamping portion 131 of each clamping arm 13 one by one and mutually engaging during assembly. Thus, the engaging portions 131 of the different clip arms 13 can engage with different engaging grooves of the stator assembly 4 to support the stator assembly 4 in different directions. Of course, the number of the clamping arms 13 can be set to be more than 3, and can be adjusted according to practical application.
It should be noted that, as shown in fig. 2, each clamping groove 41 is an arc groove, the clamping portion 131 of each clamping arm 13 is cylindrical, each clamping groove 41 and each clamping portion 131 have a gap of 0.1mm during assembly, each clamping groove 41 and each clamping portion 131 are glued and fixed, the fixing effect is good, and the cost is relatively low. The diameter of each clamping arm 13 is 1mm in the cylindrical clamping portion 131, the thickness of each clamping arm 13 is 0.8mm, and the diameter of each clamping arm 13 is slightly larger than the thickness of each clamping arm 13, so that tremble can be eliminated. During assembly, glue can be firstly applied to the surfaces of the clamping parts 131 of the clamping arms 13 and the clamping grooves 41 of the stator assembly 4, and after the clamping parts 131 of the clamping arms 13 and the clamping grooves 41 of the stator assembly 4 are aligned with each other, the stator assembly 4 is moved to a preset position on the motor shell along the direction of the rotating shaft 32. Of course, the arc-shaped clamping groove 41 and the cylindrical clamping portion 131 may be fastened by a tight fit, so that the clamping grooves 41 and the clamping portions 131 cannot be separated from each other, and the fastening effect of this embodiment is also good.
In addition, as shown in fig. 3, in this embodiment, the number of the vertical blades 14 is nine, the number of the vertical blades 14 is greater than the number of the clip arms 13, the three clip arms 13 are respectively connected with three of the nine vertical blades 14, and each of the clip arms 13 and the vertical blade 14 which are connected with each other are integrally formed, so that the assembly steps can be simplified, and the connection strength between the clip arms 13 and the vertical blade 14 can be increased. In addition, it can be found that the number of the vertical blades 14 is a multiple of the number of the clamping arms 13, so that the clamping arms 13 can be uniformly connected with the blades, the air flow effect in the air duct can be ensured, and the connection strength of the clamping arms 13 can be enhanced to a certain extent. Of course, the housing 1 in the present embodiment may be directly manufactured by a mold during manufacturing, so that the entire housing 1 is integrally formed, the assembly steps may be simplified, and the connection strength of each component in the housing 1 may be ensured.
In the present embodiment, as shown in fig. 4, the main body 21 of the diffuser 2 is fixedly connected to the inner ring 12 of the housing 1, so that the duct of the housing 1 can extend to the diffuser 2.
Specifically, as shown in fig. 5, the inner ring portion 12 specifically includes an inner ring body 121 and a body extension 122. The inner ring main body 121 is connected with the main body extension section 122, the main body part 21 of the diffuser 2 is provided with a notch 211, the shape and the size of the notch 211 are matched with those of the extension section, the extension section is embedded into the notch 211 and is adhered to the notch 211 through an adhesive, so that the shell 1 and the diffuser 2 can form a whole, and the connection reliability is ensured.
In addition, as shown in fig. 6, a protrusion 1211 is provided on the inner ring main body 121 along the direction of the rotation axis 32 of the rotor assembly 3 of the motor, and a recess 2111 is provided on the main body 21 of the diffuser 2 along the direction of the rotation axis 32 of the rotor assembly 3 of the motor, and the protrusion 1211 and the recess 2111 are engaged with each other during assembly, so that the housing 1 and the diffuser 2 can be assembled conveniently. The N bending blades 22 on the diffuser 2 and the shell part 11 of the shell 1 have a clearance of 0.1 millimeter, so that the diffuser 2 can be assembled into the shell 1, and the blades enable the gas in the air duct to flow with higher efficiency.
A second embodiment of the application relates to a hair dryer comprising a motor as described in the first embodiment. In addition, as shown in fig. 7 and 8, the blower further includes an impeller 5, and the impeller 5 includes: the hub 51 and the plurality of axial flow blades 52, wherein the number of the axial flow blades 52 is nine, and of course, the plurality of the nine axial flow blades 52 can be arranged according to practical application requirements. Nine axial flow blades 52 are arranged on the hub 51 in a ring-shaped array with the center of the hub 51 as a base point, and projections of the axial flow blades 52 on a plane perpendicular to the rotation shaft 32 of the motor rotor assembly 3 do not overlap each other. Because there is no complex overlapping structure between the blades, the structure becomes relatively simple, the manufacturing difficulty is correspondingly reduced, the production efficiency can be effectively improved, and the production cost is reduced. Since the blower has the motor as described in the first embodiment, the blower can be formed with high wind speed, large wind volume, and controllable manufacturing cost.
It should be noted that, as shown in fig. 9, a stepped hole is formed at the center of the hub 51, and the stepped hole includes a first stepped portion 511, a connecting section 512 and a second stepped portion 513. The first step portion 511 is used for being in interference fit with the rotating shaft 32, the connecting section 512 is connected with the first step portion 511 and the second step portion 513 respectively, and the second step portion 513 is used for being fixed with the rotating shaft 32 through an adhesive. Therefore, a double fixing structure is arranged between the impeller 5 and the rotating shaft, so that the impeller 5 can be ensured not to fall off from the rotating shaft 32 during rotation.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the application and that various changes in form and details may be made therein without departing from the spirit and scope of the application.
Claims (16)
1. An electric machine, comprising: a housing, a diffuser, a rotor assembly, and a stator assembly;
the shell specifically comprises: the device comprises a shell part, an inner ring part, M clamping arms and N vertical blades; wherein M, N are natural numbers greater than or equal to 3; the inner ring part is arranged in the shell part, and an annular channel is arranged between the inner ring part and the shell part; the N vertical blades are respectively connected with the outer shell part and the inner ring part; the M clamping arms are all arranged on the inner wall of the shell part in a surrounding way and are respectively connected and fixed with the shell part;
the diffuser is fixed to be set up in the shell portion, specifically includes: a main body portion, N curved blades; the main body part is provided with a channel for the rotor component to pass through; the N bending blades are arranged on the main body in a surrounding manner, each vertical blade on the shell corresponds to each bending blade on the diffuser one by one and is connected with each other, and each connected vertical blade and bending blade divide the annular channel into N air channels for ventilation;
the rotor assembly specifically includes: bearing assembly, spindle, magnetic force piece; the bearing component is fixedly arranged on the inner ring part; the rotating shaft is connected with the bearing component in a matching way; the magnetic force piece is arranged on the rotating shaft in a ring manner;
the stator assembly is fixedly connected with the M clamping arms and is provided with a containing space for containing the magnetic force pieces of the rotor assembly.
2. The electric machine of claim 1, wherein:
one side of each of the M clamping arms, which is far away from the shell part, is provided with a clamping part;
the stator assembly is provided with M clamping grooves, and each clamping groove is used for respectively corresponding to the clamping parts of each clamping arm one by one and mutually matched when being assembled.
3. The motor of claim 2, wherein each of the clamping grooves is an arc-shaped groove, and the clamping portion of each of the clamping arms is cylindrical.
4. The motor of claim 2, wherein the diameter of the cylindrical clamping portion of each clamping arm is slightly greater than the thickness of each clamping arm itself.
5. The motor of claim 2, wherein each clamping groove and each clamping portion have a gap of 0.1mm when assembled, and each clamping groove and each clamping portion are fixed by glue.
6. The motor of claim 2, wherein each of the clamping grooves is secured in close fit with each of the clamping portions.
7. The motor of claim 1, wherein N is greater than M, wherein M clamping arms are respectively connected to M of the N vertical blades, and wherein each of the interconnected clamping arms is integrally formed with the vertical blade.
8. The electric machine of claim 7, wherein M is a multiple of N.
9. The motor of claim 1, wherein the body portion of the diffuser is fixedly connected to the inner ring portion of the housing.
10. The electric machine of claim 9, wherein the inner ring portion comprises an inner ring body, a body extension; the inner ring main body is connected with the main body extension section; the main body of the diffuser is provided with a notch, the shape and the size of the notch are matched with those of the extension section, and the extension section is embedded into the notch and is bonded with the notch through an adhesive.
11. The motor of claim 10, wherein the inner ring body is provided with a protrusion along a rotation axis direction of the rotor assembly of the motor, and the body portion of the diffuser is provided with a recess along the rotation axis direction of the rotor assembly of the motor, the protrusion and the recess being engaged with each other when assembled.
12. The motor of claim 1, wherein each of the N curved vanes on the diffuser has a gap of 0.1mm from the housing portion of the housing.
13. The electric machine of claim 1 wherein the housing is integrally formed.
14. A hair dryer comprising a motor according to any one of claims 1 to 13.
15. The blower of claim 14, further comprising an impeller, the impeller comprising: the hub and X axial flow blades, wherein X is a natural number greater than or equal to 9;
x axial flow blades are annularly arranged on the hub by taking the center of the hub as a base point; the projections of the axial flow blades on a plane perpendicular to the axis of rotation of the motor rotor assembly do not overlap each other.
16. The blower of claim 15, wherein the hub has a stepped hole formed in a central portion thereof, the stepped hole including a first stepped portion, a connecting section, and a second stepped portion; the first step part is used for being in interference fit with the rotating shaft, the connecting section is connected with the first step part and the second step part respectively, and the second step part is used for being fixed with the rotating shaft through an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175663.5A CN108306453B (en) | 2018-03-02 | 2018-03-02 | Motor and blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175663.5A CN108306453B (en) | 2018-03-02 | 2018-03-02 | Motor and blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108306453A CN108306453A (en) | 2018-07-20 |
| CN108306453B true CN108306453B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175663.5A Active CN108306453B (en) | 2018-03-02 | 2018-03-02 | Motor and blower |
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| CN (1) | CN108306453B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968287A (en) * | 2018-07-25 | 2018-12-11 | 广州嘉憬母婴科技股份有限公司 | Ceramic heat constant temperature air duct and ceramic heat constant temperature air duct circuit |
| CN109645650B (en) * | 2019-01-25 | 2023-10-20 | 追觅科技(苏州)有限公司 | Air guide piece of hair dryer and hair dryer |
| CN110454415B (en) * | 2019-09-04 | 2024-07-30 | 北京小狗吸尘器集团股份有限公司 | Fan and dust collector |
| CA3160923A1 (en) * | 2019-12-05 | 2021-06-10 | Reza Aini | Techniques for sub-micron radial alignment of electric motor components and air flow management to extend motor lifespan |
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| CN108306453A (en) | 2018-07-20 |
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