CN111446839A - Magnetic coupling transmission device - Google Patents
Magnetic coupling transmission device Download PDFInfo
- Publication number
- CN111446839A CN111446839A CN202010420450.1A CN202010420450A CN111446839A CN 111446839 A CN111446839 A CN 111446839A CN 202010420450 A CN202010420450 A CN 202010420450A CN 111446839 A CN111446839 A CN 111446839A
- Authority
- CN
- China
- Prior art keywords
- driven
- magnetic disc
- rotor flange
- driven rotor
- jump ring
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/026—Units comprising pumps and their driving means with a magnetic coupling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/059—Roller 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
- F04D29/66—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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
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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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of magnetic coupling transmission, in particular to a magnetic coupling transmission device, which comprises a motor, a driving magnetic disc, a clapboard, a support shaft fixing flange, a thrust bearing, a ball bearing, a driven magnetic disc, a driven rotor flange and fan blades, wherein the motor drives the driving magnetic disc to rotate, the driven magnetic disc is coupled and transmitted by utilizing magnets with opposite polarities, so as to drive the driven rotor flange and the fan blades to rotate, the plane thrust bearing and the ball bearing can reduce transmission friction, specifically, the axial load and rigidity of the support shaft are reduced by the plane thrust bearing, namely, the friction caused by the driven magnetic disc after magnetic attraction is counteracted by the plane thrust bearing, the structure is simple, the practicability is strong, and the problem that the service life is reduced due to the noise generated by the friction rotation of the driven magnetic disc and the clapboard of the traditional fan is solved, the manufacturing cost is low.
Description
Technical Field
The invention relates to the field of magnetic coupling transmission, in particular to a magnetic coupling transmission device.
Background
Fan refers to a tool for cooling by generating wind in hot days. An electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan is electrified and then rotated into natural wind to achieve the effect of cooling.
The appearance of the fan can be traced back to the 20 th century, the improvement of the fan is quite mature from the 20 th century to the present, the structure, the size and the power are optimized, the fan is related to various fields, and the types of the fan can be divided into an outdoor type and an indoor type.
The utility model provides a current fan, its principle is for realizing magnetic force through magnet and rotates, specifically attract each other through magnet between initiative magnetic disc and the driven magnetic disc, motor drive initiative magnetic disc rotates, make driven magnetic disc rotate along with the direction of rotation of initiative magnetic disc through magnetic force, the purpose of design like this is in order to let this kind of fan be applicable to different environment, above this kind of transmission mode can be to the motor, initiative magnetic disc, driven magnetic disc, the transmission shaft carries out various protective measure such as seal, under rugged environment, still can not make fan drive receive the influence, stability is strong.
However, this fan has a problem that the driven magnetic disk needs to be connected with a transmission shaft and a partition plate, a magnetic attraction force exists between the driven magnetic disk and the driving magnetic disk, the driven magnetic disk is tightly attached to the partition plate under the action of the magnetic attraction force, and the partition plate gives the driven magnetic disk a frictional resistance to an opposite movement during the transmission, so that the driven magnetic disk generates noise due to friction during the rotation, and the service life of the driven magnetic disk is reduced.
Disclosure of Invention
In order to solve the above problems, the present invention provides a magnetic coupling transmission device, which is used to solve the problem of the prior art that the service life is reduced due to the noise generated by the friction generated during the rotation of the driven magnetic disk.
In order to achieve the purpose, the invention adopts the technical scheme that: a magnetically coupled transmission, comprising:
the two sides of the clapboard are respectively provided with a fixed seat and a supporting shaft;
the motor is connected with the fixed seat, and an output end of the motor is sleeved with the active magnetic disc;
the driven rotor flange is sleeved on the surface of the support shaft, and the surface of the driven rotor flange is sequentially provided with fan blades and a driven magnetic disc from outside to inside;
and the magnets are respectively fixed on the surfaces of the driving magnetic disc and the driven magnetic disc, and the polarities of the two magnets are opposite.
Wherein, still include plane thrust bearing and ball bearing, plane thrust bearing sets up between baffle and driven rotor flange, and ball driven rotor flange establishes on the surface of back shaft and offsets with driven rotor flange.
Further, still include and wear cap nut and set nut, the surface of driven rotor flange is equipped with the external screw thread, wears cap nut, set nut and driven rotor flange threaded connection, and the flabellum cover is established on the surface of driven rotor flange and is located between wearing cap nut, set nut.
Further, still include the ball bearing jump ring, the ball bearing jump ring is C shape, and the outer border of back shaft is equipped with two draw-in grooves, and the ball bearing jump ring cover is established at the outer border of back shaft, and the both ends of ball bearing jump ring are inserted respectively and are established in the draw-in groove.
Further, still include back shaft mounting flange, the surface of baffle is equipped with the opening, back shaft mounting flange inserts and establishes in the opening, back shaft and back shaft mounting flange threaded connection.
Furthermore, the device also comprises a first fixing nut which is in threaded connection with the driven rotor flange and abuts against the driven magnetic disc.
Further, still include sealed briquetting, the surface of initiative magnetic force dish, driven magnetic force dish all is equipped with the recess, and magnet setting is in the recess, and sealed briquetting lid is established on the surface of recess.
Further, the surface of the supporting shaft is provided with a shaft flat position.
Further, still include initiative magnetic force dish jump ring, second fixation nut, initiative magnetic force dish jump ring is C shape, and second fixation nut, initiative magnetic force dish are passed in proper order to the output of motor, and the outer border of motor output is equipped with C type jump ring recess, the both ends of initiative magnetic force dish jump ring are fixed with C type jump ring recess respectively.
The invention has the beneficial effects that:
the invention comprises a motor, a driving magnetic disc, a clapboard, a supporting shaft fixing flange, a thrust bearing, a ball bearing, a driven magnetic disc, a driven rotor flange and a fan blade, wherein the motor drives the driving magnetic disc to rotate, the driven magnetic disc is coupled and transmitted by utilizing magnets with opposite polarities, and then the driven rotor flange and the fan blade are driven to rotate.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
The reference numbers illustrate: 1-a separator; 2-a fixed seat; 3-supporting the shaft; 4-a motor; 5-an active magnetic disc;
6-driven rotor flange; 7-fan blades; 8-driven magnetic disc; 9-a magnet; 10-a planar thrust bearing;
11-a ball bearing;
12-a capped nut; 13-a positioning nut; 14-ball bearing snap spring; 15-supporting the shaft fixing flange;
16-a first fixing nut; 17-sealing the pressing block; 18-axial flat position; 19-active magnetic disc clamp spring;
20-second fixing nut.
Detailed Description
Referring to fig. 1, the present invention relates to a magnetic coupling transmission device, which includes:
a fixed seat 2 and a supporting shaft 3 are respectively arranged on two sides of the clapboard 1;
the motor 4 is connected with the fixed seat 2, and an active magnetic disc 5 is sleeved at the output end of the motor 4;
the driven rotor flange 6 is sleeved on the surface of the support shaft 3, and the surface of the driven rotor flange 6 is sequentially provided with fan blades 7 and a driven magnetic disc 8 from outside to inside;
and magnets 9 fixed on the surfaces of the driving magnetic disk 5 and the driven magnetic disk 8 respectively, wherein the polarities of the magnets 9 are opposite.
The thrust bearing assembly further comprises a plane thrust bearing 10 and a ball bearing 11, the plane thrust bearing 10 is arranged between the partition plate 1 and the driven rotor flange 6, and the ball bearing 11 is sleeved on the surface of the support shaft 3 and abuts against the driven rotor flange 6.
The use principle of the invention is as follows:
drive motor 4, motor 4 drives initiative magnetic disc 5 rotatory, and initiative magnetic disc 5, be equipped with the mutual magnet 9 of magnetic pole on the driven magnetic disc 8, driven magnetic disc 8 is rotatory along with initiative magnetic disc 5, and then it establishes the flabellum 7 production wind channel on driven rotor flange 6 to drive the cover, above-mentioned drive mode is for the gravitation realization drive through magnet 9, the energy loss is low, be favorable to the environmental protection, ball bearing 11's design, play the effect of a bearing, and simultaneously, the friction between driven rotor flange 6 and the back shaft 3 has been offset, make driven rotor flange 6 rotatory more smooth and easy.
In this embodiment, the spacer 1 is made of one of a metal material or a plastic material, and the material is selected only for supporting the driven magnetic disc 8 and the supporting shaft 3.
Furthermore, the fan blade assembly also comprises a nut 12 and a positioning nut 13, wherein the surface of the driven rotor flange 6 is provided with external threads, the nut 12 and the positioning nut 13 are in threaded connection with the driven rotor flange 6, and the fan blade 7 is sleeved on the surface of the driven rotor flange 6 and is positioned between the nut 12 and the positioning nut 13; the above is an optimal mode for fixing the fan blades 7, and the threaded connection has the characteristics of high stability and simplicity in installation.
Further, the support device also comprises a ball bearing snap spring 14, wherein the ball bearing snap spring 14 is C-shaped, two clamping grooves are formed in the outer edge of the support shaft 3, the ball bearing snap spring 14 is sleeved on the outer edge of the support shaft 3, and two ends of the ball bearing snap spring 14 are respectively inserted into the clamping grooves; ball bearing jump ring 14 sets up and establishes in the draw-in groove at the cover and establish the outer border of back shaft 3, and the concrete function does for restriction ball bearing 11, ball bearing 11 can produce centrifugal force at rotatory in-process, and this power increases along with the promotion of rotational speed.
Further, the baffle plate device also comprises a support shaft fixing flange 15, an opening is formed in the surface of the baffle plate 1, the support shaft fixing flange 15 is inserted into the opening, and the support shaft 3 is in threaded connection with the support shaft fixing flange 15; adopt above-mentioned scheme for fixed support shaft 3, and adopt threaded connection between support shaft 3 and the support shaft mounting flange 15, utilize the interlock each other of screw thread, make support shaft 3 firmly fix on support shaft mounting flange 15.
Further, a first fixing nut 16 is also included, and the first fixing nut 16 is in threaded connection with the driven rotor flange 6 and abuts against the driven magnetic disc 8; by adopting the scheme, the device is used for fixing the position of the driven magnetic disc 8.
Further, the magnetic disc device also comprises a sealing pressing block 17, grooves are formed in the surfaces of the driving magnetic disc 5 and the driven magnetic disc 8, the magnet 9 is arranged in the grooves, and the sealing pressing block 17 covers the surfaces of the grooves; by adopting the scheme, the purpose is to fix the magnet 9 on the driving magnetic disc 5 and the driven magnetic disc 8 in such a way that the magnet 9 is embedded in the groove and the groove is covered by the sealing pressing block 17.
In this embodiment, the sealing press 17 is fixed to the groove by welding.
Further, the surface of the supporting shaft 3 is provided with a shaft flat position 18; the support shaft 3 is connected with the support shaft fixing flange 15 through threads, and the shaft flat position 18 is designed to facilitate installation, specifically, the shaft flat position 18 of the support shaft 3 is clamped through a wrench or other clamping components, so that the support shaft 3 is connected with the support shaft fixing flange 15.
Further, the magnetic disc comprises an active magnetic disc clamp spring 19 and a second fixing nut 20, wherein the active magnetic disc clamp spring 19 is C-shaped, the output end of the motor 4 sequentially penetrates through the second fixing nut 20 and the active magnetic disc 5, a C-shaped clamp spring groove is formed in the outer edge of the output end of the motor 4, and two ends of the active magnetic disc clamp spring 19 are respectively fixed with the C-shaped clamp spring groove; the design of the active magnetic disk snap spring 19 is used for propping against the active magnetic disk 5, and the active magnetic disk 5 is prevented from flying off under the action of centrifugal force.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (8)
1. A magnetically coupled transmission, comprising:
the two sides of the clapboard are respectively provided with a fixed seat and a supporting shaft;
the motor is connected with the fixed seat, and an output end of the motor is sleeved with the active magnetic disc;
the driven rotor flange is sleeved on the surface of the support shaft, and the surface of the driven rotor flange is sequentially provided with fan blades and a driven magnetic disc from outside to inside;
and the magnets are respectively fixed on the surfaces of the driving magnetic disc and the driven magnetic disc, and the polarities of the two magnets are opposite.
Wherein, still include plane thrust bearing and ball bearing, plane thrust bearing sets up between baffle and driven rotor flange, and ball driven rotor flange establishes on the surface of back shaft and offsets with driven rotor flange.
2. A magnetically coupled transmission according to claim 1, wherein: still include and wear cap nut and set nut, the surface of driven rotor flange is equipped with the external screw thread, wears cap nut, set nut and driven rotor flange threaded connection, and the flabellum cover is established on the surface of driven rotor flange and is located and wears between cap nut, set nut.
3. A magnetically coupled transmission according to claim 2, wherein: still include the ball bearing jump ring, the ball bearing jump ring is C shape, and the outer border of back shaft is equipped with two draw-in grooves, and the ball bearing jump ring cover is established at the outer border of back shaft, and the both ends of ball bearing jump ring are inserted respectively and are established in the draw-in groove.
4. A magnetically coupled transmission according to claim 3, wherein: still include back shaft mounting flange, the surface of baffle is equipped with the opening, back shaft mounting flange inserts and establishes in the opening, back shaft and back shaft mounting flange threaded connection.
5. A magnetically coupled transmission according to claim 4, wherein: the first fixing nut is in threaded connection with the driven rotor flange and abuts against the driven magnetic disc.
6. A magnetically coupled transmission according to claim 5, wherein: still include the sealing pressure piece, the surface of initiative magnetic force dish, driven magnetic force dish all is equipped with the recess, and magnet setting is in the recess, and the sealing pressure piece lid is established on the surface of recess.
7. A magnetically coupled transmission according to claim 6, wherein: the surface of the supporting shaft is provided with a shaft flat position.
8. A magnetically coupled transmission according to claim 7, wherein: still include initiative magnetic force dish jump ring, second fixation nut, initiative magnetic force dish jump ring is C shape, and second fixation nut, initiative magnetic force dish are passed according to the preface to the output of motor, and the outer border of motor output is equipped with two C type jump ring recesses, the both ends of initiative magnetic force dish jump ring are fixed with C type jump ring recess respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420450.1A CN111446839A (en) | 2020-05-18 | 2020-05-18 | Magnetic coupling transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420450.1A CN111446839A (en) | 2020-05-18 | 2020-05-18 | Magnetic coupling transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111446839A true CN111446839A (en) | 2020-07-24 |
Family
ID=71656872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010420450.1A Pending CN111446839A (en) | 2020-05-18 | 2020-05-18 | Magnetic coupling transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111446839A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769312A (en) * | 2020-12-30 | 2021-05-07 | 北京航空航天大学 | Dynamic seal transmission device |
| CN113612367A (en) * | 2021-10-11 | 2021-11-05 | 中国科学院沈阳科学仪器股份有限公司 | High-torque vacuum magnetic coupling device easy to disassemble |
| CN114257058A (en) * | 2020-09-21 | 2022-03-29 | 中核兰州铀浓缩有限公司 | Nuclear feed is got material and is used exhaust fan non-contact transmission |
| WO2023069119A1 (en) * | 2021-10-22 | 2023-04-27 | Agilent Technologies, Inc. | Air gap magnetic coupling with thermal isolation |
-
2020
- 2020-05-18 CN CN202010420450.1A patent/CN111446839A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114257058A (en) * | 2020-09-21 | 2022-03-29 | 中核兰州铀浓缩有限公司 | Nuclear feed is got material and is used exhaust fan non-contact transmission |
| CN112769312A (en) * | 2020-12-30 | 2021-05-07 | 北京航空航天大学 | Dynamic seal transmission device |
| CN113612367A (en) * | 2021-10-11 | 2021-11-05 | 中国科学院沈阳科学仪器股份有限公司 | High-torque vacuum magnetic coupling device easy to disassemble |
| WO2023069119A1 (en) * | 2021-10-22 | 2023-04-27 | Agilent Technologies, Inc. | Air gap magnetic coupling with thermal isolation |
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