CN202260967U - Planar magnetic transmission coupler - Google Patents
Planar magnetic transmission coupler Download PDFInfo
- Publication number
- CN202260967U CN202260967U CN2011203784421U CN201120378442U CN202260967U CN 202260967 U CN202260967 U CN 202260967U CN 2011203784421 U CN2011203784421 U CN 2011203784421U CN 201120378442 U CN201120378442 U CN 201120378442U CN 202260967 U CN202260967 U CN 202260967U
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- magnetic
- driven
- magnetic circuit
- active
- suspension
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Abstract
The utility model relates to the technical field of the magnetic coupling, discloses a planar magnetic transmission coupler, comprising a driving magnetic disk and a driven magnetic disk which are arranged opposite to each other, wherein a driving suspension magnetic circuit and a driving perimeter torsion magnetic circuit are radially arranged on the driving magnetic disk from inside to outside; a driven suspension magnetic circuit and a driven perimeter torsion magnetic circuit are radially arranged on the driven magnetic disk from inside to outside; the driving suspension magnetic circuit and the driving perimeter torsion magnetic circuit are respectively aligned with the driven suspension magnetic circuit and the driven perimeter torsion magnetic circuit. The suspension magnetic circuits arranged in a close push-pull combination are respectively mounted on the driving magnetic disk and the driven magnetic disk and when the driving magnetic disk translates, the suspension magnetic circuit can conquer the harmful axial force generated by the perimeter torsion magnetic path along the axial direction, thus the torsion resultant force is stably transmitted between the driving magnetic disk and the driven magnetic disk in a non-contact way.
Description
Technical field
The utility model relates to magnetic coupling technique field, relates in particular to a kind of plane magnetic drives coupler.
Background technology
Along with the significantly raising of permanent magnetic material performance, the ultra of permanent magnetic material has been widely used in the various transmission mechanisms apart from coupled characteristic, like magnetic coupling etc.
Plane magnetic drives coupler is a kind of common magnetic coupling, below plane of the prior art magnetic coupling is carried out brief account.
Please referring to Fig. 1-Fig. 3, Fig. 1 is the structural representation of a kind of typical plane magnetic drives coupler in the prior art; Fig. 2 is from the structural representation of movable magnetic disc among Fig. 1; Fig. 3 is the structural representation of active magnetic plate among Fig. 1.
Like Fig. 1-shown in Figure 3; This plane magnetic drives coupler comprises that initiatively magnetic plate 2 ', driven magnetic plate 1 ' active magnetic plate 2 ' are oppositely arranged with driven magnetic plate 1 '; Initiatively the magnetic circuit 3 of the circumferencial direction of magnetic plate 2 ', driven magnetic plate 1 ' is arranged for dispersed combination, and the logarithm of the magnet that dispersed combination is arranged is 6 pairs; Initiatively magnetic plate 2 ' is connected with power source, and driven magnetic plate 1 ' load connects, and drives driven magnetic plate 1 ' surfaces of revolution magnetic drives coupler and can realize contactless transmission moment of torsion and power through the be coupled bonding force of generation of magnetic field.
The magnetic circuit stressing conditions of the plane magnetic drives coupler of this structure is as shown in Figure 4; When active magnetic plate 2 ' (deployed condition) under external force when the direction of arrow moves; Because of the effect of magnetic field coupling, 1. 2. magnet will produce the action of a magnetic field power F as shown in the figure to the magnet on the driven magnetic plate 1 ' (deployed condition)
Draw, F
DrawAlong continuous straight runs and vertical direction are decomposed into F
CircumferentiallyAnd F
AxiallyTwo component, F
Circumferentially=F
Draw* sina, F
Axially=F
Draw* cosa, a=arctgx/Lg, active magnetic plate 2 ' (deployed condition) continuation is moved along the direction of arrow, and the value of x constantly increases, and a angle also increases simultaneously, F
Circumferentially=F
Draw* sina also increases simultaneously, F
Axially=F
Draw* cosa reduces on the contrary, that is to say, circumferentially to transmitting useful power F
CircumferentiallyIncrease, and axially to deleterious effects power F
AxiallyReduce.
In addition, on area as shown in Figure 1, the magnet logarithm that dispersed combination is arranged is 6 pairs, and each firmly is F to having of coupling generation
Circumferentially=F
Draw* sina, each is F to harmful power that coupling produces
Axially=F
Draw* cosa is so having on the whole area firmly is 6 * F
Circumferentially, harmful axial force is 6 * F
Axially
Can't go to overcome harmful axial force F on the plane magnetic drives coupler technologies structure of this structure
Axially, this axial force F
AxiallyWith the operate as normal that influences plane magnetic drives coupler.And the magnetic circuit of the plane magnetic drives coupler of this structure arranges and is the decentralized combination, and torsion or power that same volume produces down are also smaller.
Therefore, initiatively how magnetic plate eliminates harmful axial force when translation, becomes the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of the utility model provides a kind of plane magnetic drives coupler, and initiatively magnetic plate is when translation, and this plane magnetic drives coupler can be eliminated harmful axial force.
To achieve these goals; The utility model provides a kind of plane magnetic drives coupler; Comprise the active magnetic plate that is oppositely arranged, driven magnetic plate; In the said active magnetic disc radial to outside be provided with the magnetic circuit that initiatively suspends, the circumferential torsion magnetic circuit of active successively; Said driven magnetic plate footpath inwardly to outside be provided with driven suspension magnetic circuit, driven circumferential torsion magnetic circuit successively, the setting of aliging with said driven suspension magnetic circuit, said driven circumferential torsion magnetic circuit respectively of said active suspension magnetic circuit, the circumferential torsion magnetic circuit of said active.
Preferably, state initiatively circumferentially two magnet rings of torsion magnetic circuit for being spliced according to the extremely alternate even number of the N utmost point, S by a plurality of magnets; Two magnet rings of said driven circumferential torsion magnetic circuit for being spliced according to the extremely alternate even number of the N utmost point, S by a plurality of magnets.
Preferably, the circumferential torsion magnetic circuit of said active, said driven circumferential torsion magnetic circuit all are separately fixed on said active magnetic plate, the said driven magnetic plate through bonding mode.
Preferably, the magnet ring of said active suspension magnetic circuit for being spliced by the same pole of a plurality of magnets; The magnet ring that said driven suspension magnetic circuit is spliced for the same pole by a plurality of magnets, and the magnetic pole of a plurality of magnets of said active suspension magnetic circuit is identical with the magnetic pole of the magnet of said driven suspension magnetic circuit.
Preferably, said active suspension magnetic circuit, said driven suspension magnetic circuit all are separately fixed on said active magnetic plate, the said driven magnetic plate through bonding mode.
Preferably, be provided with the active safety ring between the circumferential torsion magnetic circuit of said active suspension magnetic circuit and said active.
Preferably, be provided with driven safety collar between said driven suspension magnetic circuit and the said driven circumferential torsion magnetic circuit.
The plane magnetic drives coupler that the utility model provides; Comprise the active magnetic plate that is oppositely arranged, driven magnetic plate; In the said active magnetic disc radial to outside be provided with the magnetic circuit that initiatively suspends, the circumferential torsion magnetic circuit of active successively; Said driven magnetic plate footpath inwardly to outside be provided with driven suspension magnetic circuit, driven circumferential torsion magnetic circuit successively, the setting of aliging with said driven suspension magnetic circuit, said driven circumferential torsion magnetic circuit respectively of said active suspension magnetic circuit, the circumferential torsion magnetic circuit of said active; Initiatively suspend magnetic circuit and driven suspension magnetic circuit forms the suspension magnetic circuit, and circumferential torsion magnetic circuit of said active and said driven circumferential torsion magnetic circuit form circumferential torsion magnetic circuit.
The plane magnetic drives coupler of this structure; On active magnetic plate, driven magnetic plate, be provided with the suspension magnetic circuit that is arranged as tight push-and-pull combination respectively; Initiatively magnetic plate is when translation; This suspension magnetic circuit can overcome circumferential torsion magnetic circuit in the harmful axial force that axially produces, and can make initiatively between the magnetic plate and driven magnetic plate contactless transmission moment of torsion and power reposefully.
Description of drawings
Fig. 1 is the structural representation of a kind of typical plane magnetic drives coupler in the prior art;
Fig. 2 is the structural representation of driven magnetic plate among Fig. 1;
Fig. 3 is the structural representation of active magnetic plate among Fig. 1
Fig. 4 is the magnetic circuit mechanical analysis sketch map of Fig. 1 midplane magnetic drives coupler;
Fig. 5 is the structural representation of a kind of embodiment of the plane magnetic drives coupler that the utility model provided;
Fig. 6 is the structural representation of driven magnetic plate among Fig. 5;
Fig. 7 is the structural representation of active magnetic plate among Fig. 5;
Fig. 8 is the mechanical analysis sketch map of circumferential torsion magnetic circuit among Fig. 5;
Fig. 9 is the mechanical analysis sketch map of suspension magnetic circuit among Fig. 5;
Wherein, among Fig. 1-Fig. 9:
Driven magnetic plate 1 ', initiatively magnetic plate 2 ', magnetic circuit 3 ';
Driven magnetic plate 1, driven suspension magnetic circuit 2, driven safety collar 3, driven circumferential torsion magnetic circuit 4, initiatively circumferentially torsion magnetic circuit 5, active safety ring 6, initiatively suspend magnetic circuit 7, active magnetic plate 8.
Embodiment
In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model is done further to specify below in conjunction with accompanying drawing and embodiment.
Please referring to Fig. 5-Fig. 7, Fig. 5 is the structural representation of a kind of embodiment of the plane magnetic drives coupler that the utility model provided; Fig. 6 is the structural representation of driven magnetic plate among Fig. 5; Fig. 7 is the structural representation of active magnetic plate among Fig. 5.
Like Fig. 5-shown in Figure 7; The plane magnetic drives coupler that the utility model provides; Comprise the active magnetic plate 8, the driven magnetic plate 1 that are oppositely arranged; In the said active magnetic disc radial to outside be provided with the magnetic circuit 7 that initiatively suspends, the circumferential torsion magnetic circuit 5 of active successively; Said driven magnetic plate footpath inwardly to outside be provided with driven suspension magnetic circuit 2, driven circumferential torsion magnetic circuit 4 successively, the setting of aliging with said driven suspension magnetic circuit 2, said driven circumferential torsion magnetic circuit 4 respectively of said active suspension magnetic circuit 7, the circumferential torsion magnetic circuit 5 of said active; The magnetic circuit 7 that initiatively suspends forms the suspension magnetic circuit with driven suspension magnetic circuit 2, and the circumferential torsion magnetic circuit 5 of said active forms circumferential torsion magnetic circuit with said driven circumferential torsion magnetic circuit 4.
In the preferred scheme, be provided with active safety ring 6 between the circumferential torsion magnetic circuit 5 of said active suspension magnetic circuit 7 and said active, be provided with driven safety collar 3 between said driven suspension magnetic circuit 2 and the said driven circumferential torsion magnetic circuit 4.
The plane magnetic drives coupler of this structure; On active magnetic plate 8, driven magnetic plate 1, be provided with the suspension magnetic circuit that is arranged as tight push-and-pull combination respectively; Initiatively magnetic plate 8 is when translation; This suspension magnetic circuit can overcome circumferential torsion magnetic circuit in the harmful axial force that axially produces, and can make initiatively between the magnetic plate 8 and driven magnetic plate 1 contactless transmission moment of torsion and power reposefully.
In the concrete scheme; Two magnet rings of the circumferential torsion magnetic circuit 5 of said active for being spliced according to the extremely alternate even number of the N utmost point, S by a plurality of magnets; In the present embodiment, initiatively circumferentially torsion magnetic circuit 5 is two magnet rings that are spliced according to the extremely alternate tight even number of the N utmost point, S by 12 pairs of magnets; Two magnet rings of said driven circumferential torsion magnetic circuit 4 for being spliced according to the extremely alternate even number of the N utmost point, S by a plurality of magnets; In the present embodiment, two magnet rings of said driven circumferential torsion magnetic circuit 4 for being spliced according to the extremely alternate tight even number of the N utmost point, S by 12 pairs of magnets.
In the concrete scheme, the magnet ring that said active suspension magnetic circuit 7 is spliced for the same pole by a plurality of magnets; The magnet ring that said driven suspension magnetic circuit 2 is spliced for the same pole by a plurality of magnets, and the magnetic pole of a plurality of magnets of said active suspension magnetic circuit 7 is identical with the magnetic pole of the magnet of said driven suspension magnetic circuit 2, can be all the N utmost point, also can be all the S utmost point.
Below in conjunction with accompanying drawing, the stressing conditions of the plane magnetic drives coupler that the utility model provided is carried out brief account.
Please referring to Fig. 8, Fig. 9, Fig. 8 is the mechanical analysis sketch map of circumferential torsion magnetic circuit among Fig. 5, and Fig. 9 is the mechanical analysis sketch map of suspension magnetic circuit among Fig. 5.
Circumferentially the mechanical analysis of torsion magnetic circuit is as shown in Figure 8; When active magnetic plate 8 (deployed condition) under external force when the direction of arrow moves, because of the effect of magnetic field coupling, magnet 1. with receive simultaneously magnet 2. with magnet acting in conjunction power 3.; 1. 2. magnet produce F to magnet and push away; 1. 3. magnet produce F to magnet and draw, and F pushed away being pulled in circumferential and axial with F and carrying out force resolution simultaneously, and F pushes away and can be decomposed into F and push away circumferentially=F pushes away * and sina2 and F push shaft push away * cosa2 to=F; F draws and can be decomposed into F and draw circumferentially=and F draws * and sina1 and F pulling shaft draw * cosa1 to=F; A1=arctg (L-x)/Lg, a2=arctgx/Lg, (0≤x≤L/2); Each piece magnet absorbs the F that magnetic plate 8 initiatively gives on the driven magnetic plate 1, and circumferentially total=F draws circumferentially+and F pushes away circumferentially=F draws * and sina1+F pushes away * sina2.On the driven magnetic plate 1 each piece magnet absorb F line shaft that magnetic plate 8 initiatively gives to=| the F pulling shaft to+F push shaft to |=| F draws * cosa1+F pushes away * cosa2|.When displacement x=L/2, a1=a2, will have on the driven magnetic plate 1 on the area as shown in Figure 8 this moment because of the magnetic field coupling produce involve the magnetic force F gross area circumferentially=12 * F is always circumferential, the F gross area axially=12 * F line shaft to.
The mechanical analysis of suspension magnetic circuit is as shown in Figure 9; When active magnetic plate 8 overlaps with the center of driven magnetic plate 1, initiatively magnetic plate 8 will be scolded suspension to driven magnetic plate 1 generation power F, in order to eliminate the radially influence of unstable harmful power; L1＜L2; Wherein, L1 is the width of magnet in the magnetic circuit 7 that initiatively suspends, and L2 is the width of magnet in the driven suspension magnetic circuit 2.When active magnetic plate 8 when the direction of arrow has the offset distance x of trace to take place, (x＜(L2-L1)/2), because of L2＞L1, driven magnetic plate 1 will be applied with the restoring force of usefulness to active magnetic plate 8, can guarantee suspension magnetic circuit stable radially.
Compared with prior art, with volume or with the torque magnitude that can produce area under, the F gross area of the plane magnetic drives coupler among Fig. 1 is circumferential=and 6 * F is circumferential; The F gross area of the utility model circumferentially=12 * F is always circumferential, can know according to preceding chatting, F is circumferentially total=F draws circumferentially+F pushes away circumferentially=F draws * sina1+F pushes away * sina2; When x=L/2; A1=a2, thus F draw circumferentially=F pushes away circumferentially, so F circumferentially total=2 * F draws circumferentially.The F gross area circumferentially=12 * 2 * F draws circumferentially=24 * F draws circumferentially.Can draw according to above analysis, be 1/4 of the utility model torsion with volume or with the torsion of the generation of the plane magnetic drives coupler in area figure below 1, and the utility model provides the torsion of plane magnetic drives coupler to improve 4 times.
In the preferred version, the circumferential torsion magnetic circuit of said active 5, said driven circumferential torsion magnetic circuit 4 can be all be separately fixed on said active magnetic plate 8, the said driven magnetic plate 1 through bonding mode.
In the preferred version, said active suspension magnetic circuit 7, said driven suspension magnetic circuit 2 can be all be separately fixed on said active magnetic plate 8, the said driven magnetic plate 1 through bonding mode.
The above only is the description of the preferred implementation of utility model; Should be pointed out that finiteness, and objectively have unlimited concrete structure owing to literal expression; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (7)
1. plane magnetic drives coupler; Comprise the active magnetic plate that is oppositely arranged, driven magnetic plate; It is characterized in that; In the said active magnetic disc radial to outside be provided with the magnetic circuit that initiatively suspends, circumferential torsion magnetic circuit initiatively successively, said driven magnetic plate directly inside to outside be provided with driven suspension magnetic circuit, driven circumferential torsion magnetic circuit successively, the setting of aliging with said driven suspension magnetic circuit, said driven circumferential torsion magnetic circuit respectively of said active suspension magnetic circuit, the circumferential torsion magnetic circuit of said active.
2. plane according to claim 1 magnetic drives coupler is characterized in that, two magnet rings of the circumferential torsion magnetic circuit of said active for being spliced according to the extremely alternate even number of the N utmost point, S by a plurality of magnets; Two magnet rings of said driven circumferential torsion magnetic circuit for being spliced according to the extremely alternate even number of the N utmost point, S by a plurality of magnets.
3. plane according to claim 2 magnetic drives coupler is characterized in that, the circumferential torsion magnetic circuit of said active, said driven circumferential torsion magnetic circuit all are separately fixed on said active magnetic plate, the said driven magnetic plate through bonding mode.
4. plane according to claim 1 magnetic drives coupler is characterized in that, the magnet ring that said active suspension magnetic circuit is spliced for the same pole by a plurality of magnets; The magnet ring that said driven suspension magnetic circuit is spliced for the same pole by a plurality of magnets, and the magnetic pole of a plurality of magnets of said active suspension magnetic circuit is identical with the magnetic pole of the magnet of said driven suspension magnetic circuit.
5. plane according to claim 4 magnetic drives coupler is characterized in that, said active suspension magnetic circuit, said driven suspension magnetic circuit all are separately fixed on said active magnetic plate, the said driven magnetic plate through bonding mode.
6. according to each described plane magnetic drives coupler of claim 1-5, it is characterized in that, be provided with the active safety ring between the circumferential torsion magnetic circuit of said active suspension magnetic circuit and said active.
7. according to each described plane magnetic drives coupler of claim 1-5, it is characterized in that, be provided with driven safety collar between said driven suspension magnetic circuit and the said driven circumferential torsion magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203784421U CN202260967U (en) | 2011-09-28 | 2011-09-28 | Planar magnetic transmission coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203784421U CN202260967U (en) | 2011-09-28 | 2011-09-28 | Planar magnetic transmission coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260967U true CN202260967U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203784421U Expired - Fee Related CN202260967U (en) | 2011-09-28 | 2011-09-28 | Planar magnetic transmission coupler |
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| CN (1) | CN202260967U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355119A (en) * | 2011-09-28 | 2012-02-15 | 兰州海兰德泵业有限公司 | Planar magnetic drive coupler |
| CN102969866A (en) * | 2012-09-14 | 2013-03-13 | 杨志平 | Magnetic force combining silent and abrasion-free transmission device |
| CN105846651A (en) * | 2016-03-29 | 2016-08-10 | 中国大唐集团科学技术研究院有限公司西北分公司 | Non-contact shaft coupler |
| CN106555839A (en) * | 2015-09-22 | 2017-04-05 | 李明生 | A kind of novel variable speed box technology |
| CN108696097A (en) * | 2018-07-17 | 2018-10-23 | 江苏磁谷科技股份有限公司 | It is a kind of to medium-sized permanent magnet clutch |
| CN109067137A (en) * | 2018-07-03 | 2018-12-21 | 昆山汇智自动化科技有限公司 | Torsion magnetism colligator |
| CN109906151A (en) * | 2016-11-02 | 2019-06-18 | 唐杰有限公司 | Magnetic coupling device |
-
2011
- 2011-09-28 CN CN2011203784421U patent/CN202260967U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355119A (en) * | 2011-09-28 | 2012-02-15 | 兰州海兰德泵业有限公司 | Planar magnetic drive coupler |
| CN102969866A (en) * | 2012-09-14 | 2013-03-13 | 杨志平 | Magnetic force combining silent and abrasion-free transmission device |
| CN106555839A (en) * | 2015-09-22 | 2017-04-05 | 李明生 | A kind of novel variable speed box technology |
| CN105846651A (en) * | 2016-03-29 | 2016-08-10 | 中国大唐集团科学技术研究院有限公司西北分公司 | Non-contact shaft coupler |
| CN109906151A (en) * | 2016-11-02 | 2019-06-18 | 唐杰有限公司 | Magnetic coupling device |
| CN109906151B (en) * | 2016-11-02 | 2021-07-02 | 唐杰有限公司 | Magnetic coupling device |
| US11298933B2 (en) | 2016-11-02 | 2022-04-12 | Tonejet Limited | Printing system and method including magnetic coupling device |
| CN109067137A (en) * | 2018-07-03 | 2018-12-21 | 昆山汇智自动化科技有限公司 | Torsion magnetism colligator |
| CN108696097A (en) * | 2018-07-17 | 2018-10-23 | 江苏磁谷科技股份有限公司 | It is a kind of to medium-sized permanent magnet clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120530 Termination date: 20160928 |