CN210068509U - Fan installed and driven by magnetic force - Google Patents
Fan installed and driven by magnetic force Download PDFInfo
- Publication number
- CN210068509U CN210068509U CN201822053118.7U CN201822053118U CN210068509U CN 210068509 U CN210068509 U CN 210068509U CN 201822053118 U CN201822053118 U CN 201822053118U CN 210068509 U CN210068509 U CN 210068509U
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- China
- Prior art keywords
- fan
- magnetic
- positioning
- positioning shaft
- rotating mechanism
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 241000883990 Flabellum Species 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000036541 health Effects 0.000 description 5
- 238000010411 cooking Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a fan installed and driven by magnetic force, which comprises a cover body, a driving motor, a rotating mechanism and fan blades, wherein the driving motor is matched with the rotating mechanism in a rotating way, the rotating mechanism comprises a first magnetic body, the bottom of the cover body is provided with a positioning shaft, the middle part of the fan blades is provided with a positioning groove, the inner wall of the positioning groove is provided with a second magnetic body, the positioning shaft is inserted into the middle part of the positioning groove, the cover body is matched with the fan blades in a rotating way, the rotating mechanism is opposite to the second magnetic body of the fan blades up and down, the bottom of the cover body is provided with the positioning groove, the positioning shaft is inserted into the middle part of the fan blades, the fan blades are positioned conveniently through the mutual attraction of the first magnetic body and the second magnetic body, the fan blades are suspended on the lower surface of the cover body, therefore, the fan blades, and because the magnetic drive is adopted, the friction generated by the rotation of the driving fan blades is small.
Description
Technical Field
The utility model relates to a field domestic appliance technical field especially relates to an utilize magnetic force installation and driven fan.
Background
The health preserving pot is a vessel which is used for preserving health and can be used for cooking food, scented tea and the like, and aims to achieve the effect of preserving health and ensure that the cooked food and drink have better taste effect. In the cooking process, the bubbles generated by food in the kettle are gradually increased and accumulated with the heat, and when the bubbles reach a certain height of the top of the kettle body, the cyclone generated by the fan in the health preserving kettle is eliminated, so that the problem of overflow caused by the fact that the bubbles are increased to the edge of the top of the kettle body is effectively solved.
The existing health preserving kettle directly drives fan blades by using a motor, and in order to ensure that electrical elements inside an upper cover are not corroded by high-temperature steam during cooking, the periphery of a transmission shaft is sealed, so that the friction force during the rotation of a motor shaft is increased.
Disclosure of Invention
An object of the utility model is to provide an utilize magnetic force installation and driven fan of frictional force when reducing the flabellum and rotate.
To achieve the purpose, the utility model adopts the following technical proposal:
a fan installed and driven by magnetic force comprises a cover body, a driving motor, a rotating mechanism and fan blades;
the driving motor and the rotating mechanism are arranged in the cover body, the driving motor is in running fit with the rotating mechanism, and the rotating mechanism comprises at least two first magnetic bodies with magnetic poles distributed in axial symmetry;
the bottom of lid is equipped with the location axle, the middle part of flabellum is equipped with the constant head tank, the inner wall of constant head tank is equipped with two at least second magnetic substances that are axisymmetric distribution magnetic pole, the location axle inserts the middle part of constant head tank, the lid with flabellum normal running fit, rotary mechanism with the second magnetic substance of flabellum is relative from top to bottom.
The bottom of the cover body is provided with a positioning shaft inserted into a positioning groove in the middle of the fan blade, so that the fan blade can be positioned conveniently, the first magnetic body arranged in the cover body and the second magnetic body arranged in the fan blade are mutually attracted to enable the fan blade to be hung on the lower surface of the cover body, the fan blade rotates by taking the positioning shaft as a rotating shaft, when the fan blade rotates, the driving motor drives the rotating device to rotate so as to change a magnetic field, so as to drive the fan blade to rotate, the first magnetic body and the second magnetic body are both provided with at least two poles, so that when the driving motor drives the fan blade to rotate, a rotating magnetic field can be generated between the rotating mechanism and the fan blade to drive the fan blade to rotate, the cover body can drive the fan blade to rotate without being provided with a rotating shaft connected with the fan blade, the inside of the cover body is conveniently provided with a, the friction generated by the rotation of the driving fan blades is small.
Preferably, the locating slot is a circular truncated cone slot, a sealing plate covers the top of the locating slot, the sealing plate is provided with an installation through hole, and the locating shaft penetrates through the installation through hole and is inserted into the locating slot.
The positioning groove is a conical groove, the shape of the positioning groove is the same as that of the bottom end of the positioning shaft, so that the positioning shaft can correspond to the positioning groove, and stable circular motion is guaranteed when the fan blades rotate.
Preferably, the bottom end of the positioning shaft is conical, a limiting groove is formed in the bottom of the positioning groove, and the limiting groove is matched with the bottom end of the positioning shaft.
The bottom end of the positioning shaft is in a conical shape and is wedged with the limiting groove, so that friction between the fan blade and the bottom end of the positioning shaft during rotation is reduced.
Preferably, the conical angle of the limiting groove is larger than that of the bottom end of the positioning shaft.
The contact area between the bottom end of the positioning shaft and the limiting groove is reduced when the fan blades rotate, the contact area is minimized, and the friction of the fan blades during rotation is reduced.
Preferably, the diameter of the mounting through hole is larger than that of the positioning shaft, and the positioning shaft is separated from the second magnetic body.
The diameter of establishing at the installation through-hole is greater than the diameter of location axle, avoids when the flabellum is rotatory, and location axle and installation through-hole produce the friction, lead to rotatory resistance big, and location axle and second magnetic substance separation make the flabellum when rotating, and the second magnetic substance is rotatory around the location axle.
Preferably, the length of the positioning shaft is greater than the vertical distance from the limiting groove to the upper surface of the fan blade.
After the fan blades are installed on the upper cover due to magnetic attraction, the upper surfaces of the fan blades are separated from the lower surface of the upper cover by a certain distance, so that the upper surfaces of the fan blades are prevented from being abutted against the lower surface of the upper cover, and the fan blades are prevented from being in contact with the lower surface of the upper cover to generate friction when rotating.
Preferably, at least one of the first magnetic body and the second magnetic body is made of a permanent magnet.
The first magnetic body and the second magnetic body are mutually attracted, the cover body and the fan blades can be installed without arranging a connecting mechanism, and the fan blades are driven to rotate through the change of the magnetic field when the driving motor drives the first magnetic body to rotate.
Preferably, the rotating mechanism further comprises a magnet turntable, the first magnetic bodies are arranged in the magnet turntable, and the middle of the magnet turntable is connected with a rotating shaft of the driving motor.
The magnet rotating disc is used for mounting a first magnetic body, and the driving motor drives the first magnetic body in the magnet rotating disc to rotate by driving the magnet rotating disc to rotate.
Preferably, the cover body is made of a non-magnetic material.
The cover body is made of nonmagnetic materials such as plastics, ceramics, nonmagnetic stainless steel, aluminum or nonmagnetic metals thereof, so as to avoid influencing the rotating magnetic field formed by the first magnetic body and the second magnetic body, and the guide posts obstruct the rotation of the fan blades.
Preferably, the top of the cover body is provided with a circular truncated cone structure protruding upwards.
Through setting up the round platform structure to be convenient for be used for the user to snatching of lid, conveniently control the lid and open and shut.
The utility model has the advantages that: the bottom of the cover body is provided with a positioning shaft inserted into a positioning groove in the middle of the fan blade, so that the fan blade can be positioned conveniently, the first magnetic body arranged in the cover body and the second magnetic body arranged in the fan blade are mutually attracted to enable the fan blade to be hung on the lower surface of the cover body, the fan blade rotates by taking the positioning shaft as a rotating shaft, when the fan blade rotates, the driving motor drives the rotating device to rotate to change a magnetic field so as to drive the fan blade to rotate, the first magnetic body and the second magnetic body are both provided with two magnetic poles, so that when the driving motor drives the fan blade to rotate, a rotating magnetic field can be generated between the rotating mechanism and the fan blade to drive the fan blade to rotate, the cover body can drive the fan blade to rotate without being provided with a rotating shaft to be connected with the fan blade, the inside of the cover body is conveniently provided with a closed space, the friction generated by the rotation of the driving fan blades is small.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of one embodiment of the present invention.
Wherein: the magnetic positioning device comprises a cover body 1, a driving motor 2, a rotating mechanism 3, fan blades 41, a first magnetic body 31, a second magnetic body 42, a positioning shaft 4, a positioning groove 411, a magnet turntable 32, a limiting groove 413, a sealing plate 412 and an installation through hole 412 a.
Detailed Description
The technical solution of the present invention will be further described with reference to fig. 1 to 3 and by means of specific embodiments.
The fan installed and driven by magnetic force of the embodiment comprises a cover body 1, a driving motor 2, a rotating mechanism 3 and fan blades 41;
the driving motor 2 and the rotating mechanism 3 are both arranged in the cover body 1, the driving motor 2 is in running fit with the rotating mechanism 3, and the rotating mechanism 3 comprises at least two first magnetic bodies 31 with magnetic poles distributed in axial symmetry;
the bottom of lid 1 is equipped with location axle 43, the middle part of flabellum 41 is equipped with constant head tank 411, the inner wall of constant head tank 411 is equipped with two at least second magnetic substance 42 that are axisymmetric distribution magnetic pole, location axle 43 inserts the middle part of constant head tank 411, lid 1 with flabellum 41 normal running fit, rotary mechanism 3 with the second magnetic substance 42 of flabellum 41 is relative from top to bottom.
The bottom of the cover body 1 is provided with a positioning shaft 43 inserted into a positioning slot 411 in the middle of the fan blade 41 for positioning the fan blade 41, the fan blade 41 is suspended on the lower surface of the cover body 1 by the mutual attraction of the first magnetic body 31 arranged in the cover body 1 and the second magnetic body 43 arranged in the fan blade, and the fan blade 41 rotates by taking the positioning shaft 43 as a rotating shaft, when the fan blade 41 rotates, the driving motor 2 drives the rotating device 3 to rotate to change the magnetic field to drive the rotation of the fan blade 41, the first magnetic body 31 and the second magnetic body 43 are both provided with at least two magnetic poles, so that when the driving motor 2 drives the rotation, a rotating magnetic field can be generated between the rotating mechanism 3 and the fan blade 41 to drive the rotation of the fan blade 41, therefore, the rotating shaft is not required to be arranged on the cover body 1 to be connected with the fan blade 41 to drive the rotation of the fan blade 41, the inside of the cover body 1, and the friction generated by the rotation of the driving fan blade 41 is small due to the driving of the magnetic force.
The positioning slot 411 is a circular truncated cone slot, a closing plate 412 covers the top of the positioning slot 411, the closing plate 412 is provided with an installation through hole 412a, and the positioning shaft 43 penetrates through the installation through hole 412a and is inserted into the positioning slot 411.
The positioning slot 411 is a conical slot, and the shape of the positioning slot 411 is the same as that of the bottom end of the positioning shaft 43, so that the positioning shaft 43 can correspond to the positioning slot 411, and the fan blade 41 can make stable circular motion when rotating.
The bottom end of the positioning shaft 43 is conical, a limiting groove 413 is arranged at the bottom of the positioning groove 411, and the limiting groove 413 is matched with the bottom end of the positioning shaft 43.
The bottom end of the positioning shaft 43 is conical and is wedged with the limiting groove 413, so that friction generated between the fan blade 41 and the bottom end of the positioning shaft 43 during rotation is reduced.
The conical angle of the limiting groove 413 is larger than that of the bottom end of the positioning shaft 43.
The contact area between the bottom end of the positioning shaft 43 and the limiting groove 413 when the fan blade 41 rotates is reduced, the contact area is minimized, and the friction of the fan blade 41 during rotation is reduced.
The diameter of the mounting through hole 412a is larger than that of the positioning shaft 43, and the positioning shaft 43 and the second magnetic body 42 are separated.
The diameter of the positioning shaft 43 is larger than the diameter of the mounting through hole 412a, so that the positioning shaft 43 and the mounting through hole 412a are prevented from generating friction when the fan blade 41 rotates, the rotation resistance is large, the positioning shaft 43 is separated from the second magnetic body 42, and the second magnetic body 42 rotates around the positioning shaft when the fan blade 41 rotates.
The length of the positioning shaft 43 is greater than the vertical distance from the limiting groove 413 to the upper surface of the fan blade 41.
After the fan blades 41 are installed on the upper cover 1 by magnetic attraction, the upper surfaces of the fan blades 41 are separated from the lower surface of the upper cover 1 by a certain distance, so that the upper surfaces of the fan blades 41 are prevented from abutting against the lower surface of the upper cover 1, and the fan blades 41 are prevented from being in contact with the lower surface of the upper cover 1 to generate friction when rotating.
At least one of the first magnetic body 31 and the second magnetic body 42 is made of a permanent magnet.
The first magnetic body 31 and the second magnetic body 42 are attracted to each other, the cover and the fan blade can be attached without providing a connection mechanism, and the fan blade 41 is driven to rotate by the change of the magnetic field when the first magnetic body 31 is driven to rotate by the driving motor 2.
The rotating mechanism 3 further comprises a magnet rotating disc 32, the first magnetic bodies 31 are arranged in the magnet rotating disc 32, and the middle of the magnet rotating disc 32 is connected with a rotating shaft of the driving motor 2.
The magnet turntable 32 is used for mounting the first magnetic body 31, and the driving motor 2 drives the magnet turntable 32 to rotate so as to drive the first magnetic body 31 in the magnet turntable 32 to rotate.
The cover body 1 is made of nonmagnetic material.
The cover 1 is made of a non-magnetic material such as plastic, ceramic, nonmagnetic stainless steel, aluminum, or nonmagnetic metal thereof so as not to affect the rotating magnetic field formed by the first magnetic body 31 and the second magnetic body 42, and the guide posts block the rotation of the fan blades 41.
The top of the cover body 1 is provided with a round platform structure protruding upwards.
Through setting up the round platform structure to be convenient for be used for the user to snatching of lid 1, conveniently control lid 1 and open and shut.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A fan installed and driven by magnetic force is characterized by comprising a cover body, a driving motor, a rotating mechanism and fan blades;
the driving motor and the rotating mechanism are arranged in the cover body, the driving motor is in running fit with the rotating mechanism, and the rotating mechanism comprises at least two first magnetic bodies with magnetic poles distributed in axial symmetry;
the bottom of the cover body is provided with a positioning shaft, the middle part of the fan blade is provided with a positioning groove, the inner wall of the positioning groove is provided with at least two second magnetic bodies with magnetic poles which are distributed in axial symmetry, the positioning shaft is inserted into the middle part of the positioning groove, the cover body is in rotating fit with the fan blade, and the rotating mechanism is opposite to the second magnetic bodies of the fan blade up and down;
the positioning groove is a circular truncated cone groove, a sealing plate covers the top of the positioning groove, an installation through hole is formed in the sealing plate, and the positioning shaft penetrates through the installation through hole and is inserted into the positioning groove;
the diameter of installation through-hole is greater than the diameter of location axle, location axle and the separation of second magnetic substance.
2. The magnetically mounted and actuated fan according to claim 1, wherein the bottom end of the positioning shaft is conical, and a limiting groove is formed at the bottom of the positioning groove and is engaged with the bottom end of the positioning shaft.
3. The fan as claimed in claim 2, wherein the limiting groove has a taper angle larger than that of the bottom end of the positioning shaft.
4. The fan as claimed in claim 2, wherein the length of the positioning shaft is greater than a vertical distance from the limiting groove to an upper surface of the fan blade.
5. The fan as claimed in claim 1, wherein at least one of the first and second magnetic bodies is made of a permanent magnet.
6. The fan as claimed in claim 1, wherein the rotating mechanism further comprises a magnet turntable, the first magnetic body is disposed in the magnet turntable, and a middle portion of the magnet turntable is connected to the rotation shaft of the driving motor.
7. A magnetically mounted and actuated fan as claimed in claim 1, wherein said cover is made of a non-magnetic material.
8. A magnetically mounted and actuated fan as claimed in claim 1, wherein the top of the cover is provided with an upwardly convex frustoconical configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053118.7U CN210068509U (en) | 2018-12-07 | 2018-12-07 | Fan installed and driven by magnetic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053118.7U CN210068509U (en) | 2018-12-07 | 2018-12-07 | Fan installed and driven by magnetic force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068509U true CN210068509U (en) | 2020-02-14 |
Family
ID=69424153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053118.7U Expired - Fee Related CN210068509U (en) | 2018-12-07 | 2018-12-07 | Fan installed and driven by magnetic force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493612A (en) * | 2020-04-09 | 2020-08-07 | 段鹏 | Granule cup capable of automatically stirring |
| CN114246487A (en) * | 2020-09-22 | 2022-03-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil |
-
2018
- 2018-12-07 CN CN201822053118.7U patent/CN210068509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493612A (en) * | 2020-04-09 | 2020-08-07 | 段鹏 | Granule cup capable of automatically stirring |
| CN114246487A (en) * | 2020-09-22 | 2022-03-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |