CN206908503U - magnetic transmission structure - Google Patents
magnetic transmission structure Download PDFInfo
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- CN206908503U CN206908503U CN201720212050.5U CN201720212050U CN206908503U CN 206908503 U CN206908503 U CN 206908503U CN 201720212050 U CN201720212050 U CN 201720212050U CN 206908503 U CN206908503 U CN 206908503U
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- permanent magnet
- transmission structure
- magnetic transmission
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Abstract
A kind of magnetic transmission structure is the utility model is related to, the magnetic transmission structure includes two or more input side permanent magnets (2,3)；And two or more outlet side permanent magnets, described two or multiple input side permanent magnets align and have gap therebetween respectively with described two or multiple outlet side permanent magnets, wherein, on the premise of using assigned direction as 0 degree of direction, the S poles of the first input side permanent magnet (2) in described two or multiple input side permanent magnets are pointed in the direction away from 90 degree counterclockwise of 0 degree of direction, and the S poles of the second input side permanent magnet (3) in described two or multiple input side permanent magnets are pointed in the range of away from 140 degree to 190 degree counterclockwise of 0 degree of direction.
Description
Technical field
It the utility model is related to a kind of non-contact drive mechanism, and a kind of more particularly to magnetic transmission structure.
Background technology
Traditional rotary magnetic transmission has two kinds of structures, and they are all the arrangements using coaxial line, and one of which is dress
The aspectant Magnetic drive of permanent magnet in two disc faces, another kind are Magnetic drive of the telescopic permanent magnetism to permanent magnetism, and this is
A few days ago the most frequently used, it is a magnetic transmission structure that it is made up of interior magnet rotor, outer magnet rotor, bearing etc., and outer magnet rotor and electricity
Machine is connected, and is enclosed on separation sleeve and interior magnet rotor, forms a magnetic transmission structure.
Permanent magnet is respectively arranged with inside and outside magnet rotor, magnetic Circuit Design requirement is pushed away according to drawing, magnet is embedded according to certain rules,
The magnet part of inside and outside magnet rotor is set to form the magnetic force systems coupled completely, now the energy of magnetic force systems is in minimum state.
When the magnetic field energy of outer magnet rotor changes and (moved), due to the effect that there is a natural attraction between the sexes, nonmagnetic metal set can be passed through
Interior magnet rotor is set to be moved with the motion of outer magnet rotor.The torque transmission of this motion is entirely by contactless inside and outside magnetic
The magnetic field energy of rotor is completed.
From the point of view of the situation used at present, all there is following weak point in both traditional magnetic transmission structures：1st, passing
Using inside and outside transmission of two permanent magnets to permanent magnet geo-stationary during dynamic.2nd, because its design feature is all to need to rely on
Surface area improves the moment of torsion by magnetic force transmission, it is therefore desirable to takes larger volume.3rd, it is fast to need to inlay more magnetic, adds
Frock is with all more complicated.4th, installation accuracy requires high, particularly telescopic coaxial line shaft coupling, a little eccentric all to make
With.In actual use, it is particularly narrow at some due to being all coaxial transmission structure to be used, therefore in terms of a lot
Space limits the use of rotary magnetic transmission.
Utility model content
The purpose of this utility model therefore that eliminate drawbacks mentioned above, and provide it is a kind of inexpensive, compact and
Transmit high-power magnetic transmission structure.
According to one side of the present utility model, there is provided a kind of magnetic transmission structure, the magnetic transmission structure include two
Or multiple input side permanent magnets；And two or more outlet side permanent magnets, described two or multiple input side permanent magnets and institute
Two or more outlet side permanent magnets are stated to align respectively and there is gap therebetween, wherein, 0 degree of side is being used as using assigned direction
On the premise of, the S poles of the first input side permanent magnet in described two or multiple input side permanent magnets are pointed to away from described 0 degree
Direction is counterclockwise 90 degree of direction, and the S poles of the second input side permanent magnet in described two or multiple input side permanent magnets refer to
To in the range of away from 140 degree to 190 degree counterclockwise of 0 degree of direction.
Wherein, point to away from described 0 the S poles of the first outlet side permanent magnet in described two or multiple outlet side permanent magnets
Spend the direction in 90 degree counterclockwise of direction, and the S poles of the second outlet side permanent magnet in described two or multiple outlet side permanent magnets
Point in the range of away from 350 degree to 400 degree counterclockwise of 0 degree of direction.
Wherein, the subtended angle of the magnetic line of force of the first and second permanent magnets in the input side permanent magnet and the outlet side be forever
The magnetic line of force subtended angle of the third and fourth permanent magnet in magnet is different.
Wherein, described two or multiple input side permanent magnets have the first diameter D1, and described two or multiple outlet sides are forever
Magnet has Second bobbin diameter D2, it is preferred that D1=D2.
Wherein, in axial direction, the first distance G1 is spaced apart between described two or multiple input side permanent magnets, vertically
Direction, second distance G2, G1=G2 are spaced apart between described two or multiple outlet side permanent magnets.
Preferably, G1=(D1+D2)/2.
Wherein, in addition to prime mover be connected the input shaft rotated with inputting and input side body, and the input side is forever
Magnet is non-rotatably mounted on the input shaft, and the input side is rotatably received in together with the input shaft
In the inner chamber of housing.
Wherein, in addition to be connected the output shaft rotated with exporting and output side body with load, the outlet side permanent magnetism
Body is non-rotatably mounted on the output shaft, and the output side body is rotatably received in together with the output shaft
Inner chamber in.
Wherein, the input shaft has polygonal crosssection, and the heart is respectively arranged with the input side permanent magnet wherein
The hole of corresponding polygonal crosssection, to be non-rotatably mounted on the input shaft.
Wherein, the output shaft has polygonal crosssection, and the heart is respectively arranged with the outlet side permanent magnet wherein
The hole of corresponding polygonal crosssection, to be non-rotatably mounted on the output shaft.
Wherein, on the input shaft, pad is provided between the input side permanent magnet, with ensure described first away from
From G1.
Wherein, on the output shaft, pad is provided between the outlet side permanent magnet, with ensure described second away from
From G2.
Wherein, in addition to prime mover it is connected to input the input side body rotated, the inner chamber of the input side body
With polygonal cross-section, the input side permanent magnet has corresponding polygonal crosssection so that the input side permanent magnet
Non-rotatably insert in the inner chamber of the input side body.
Wherein, in addition to load it is connected to export the output side body rotated, the inner chamber tool of the output side body
There is polygonal crosssection, the outlet side permanent magnet has corresponding polygonal crosssection so that the outlet side permanent magnet
Non-rotatably insert in the inner chamber of the output side body.
According to another aspect of the present utility model, there is provided a kind of leakage-free valve, the leakage-free valve include manual
Runner and valve, the hand wheel are mutually coupled by the input shaft of magnetic transmission structure as described above and the valve.
Magnetic transmission structure of the present utility model has following features：1st, it is arranged in parallel with the permanent magnet of double garden post radial magnetic fields
Transmission, in transmission, a wherein cylinder permanent magnet can be driven around the optional position of another cylinder permanent magnet periphery, without
Being must be on the same axis as traditional permanent magnet transmission structure.2nd, action edge biography can be entered to the mechanism in small space
It is dynamic.3rd, the protective separation of interior permanent magnet can be covered on the place nearest with outer permanent magnet and makes planar structure, work as protective separation
When the material of cover is various nonmagnetic substances, Magnetic drive can reach high transmission efficiency without eddy current loss.4th, by contrast
Experiment, it is shaped as circle and when being radial magnetic field when permanent magnet, when using Magnetic drive is carried out in a rotative pattern, it is driven
Distance is higher than the transmission distance of two pieces of square permanent magnets, that is, permanent magnet clutch of the present utility model is identical in transmission
During moment of torsion, its air gap can be more than traditional permanent magnet clutch.
Brief description of the drawings
Other features, details and advantage of the present utility model will provide schematically and referring to the drawings below reading
Description when more clearly reveal, in accompanying drawing：
Fig. 1 shows the general principle figure according to magnetic transmission structure of the present utility model；
Fig. 2 a to 2d show the view of the arrangement of the permanent magnet in magnetic transmission structure of the present utility model；
Fig. 3 shows a kind of specific implementation according to magnetic transmission structure of the present utility model；And
Fig. 4 shows the exemplary application on leakage-free valve according to magnetic transmission structure of the present utility model.
Embodiment
Below, referring to the drawings, it is described in detail according to magnetic transmission structure of the present utility model.
First, with reference to Fig. 1 and 2, the general principle according to magnetic transmission structure of the present utility model is described.
As shown in figure 1, the basic structure of rotary magnetic transmission includes being made up of two groups of cylindrical magnets arranged in parallel, every group
Magnet for two have radial magnetic field cylindrical magnets coaxially connect.Specifically, as shown in figure 1, magnetic transmission structure bag
Include：First power transmission shaft 1；The first permanent magnet 2 and the second permanent magnet 3 being fixedly mounted on first power transmission shaft；With described
The second driving shaft 4 that one power transmission shaft 1 extends in parallel, and the three permanent magnet 5 being fixedly mounted on the second driving shaft 4
With the 4th permanent magnet 6.First permanent magnet 2 and the second permanent magnet 3 align and divided with the permanent magnet 6 of three permanent magnet 5 and the 4th respectively
Gap is not formed between permanent magnet in first and three permanent magnet and second and the 4th.One end of first power transmission shaft 1 generally with
Prime mover, such as motor are connected, and the thus rotation of prime mover inputs the first power transmission shaft 1.Pass through the first permanent magnet 2, second
Permanent magnet 3 and the magnetic coupling of three permanent magnet 5 and three permanent magnet 6, the rotation is passed to second driving shaft 4, and thus passes
It is delivered to any load being connected with second driving shaft 4.And in this process, the first and second permanent magnets and third and fourth
Permanent magnet not in contact with.
First and second permanent magnet 2 and 3 is same diameter D1, and along the axially spaced of the first power transmission shaft 1
Distance G1.Third and fourth permanent magnet 5 and 6 is same diameter D2, and along second driving shaft 4 it is axially spaced away from
From G2, wherein G1=G2.
First, second permanent magnet 2 and 3 and the three, the 4th permanent magnets 5 and 6 can have same diameter, i.e. D1=D2, but
It is that the utility model is not limited thereto, in fact, first, second permanent magnet can have more than the three, the 4th permanent magnets
Diameter (D1>D2).Thus, for example, in the case where the installing space of the third and fourth permanent magnet is narrow and small, phase can equally be transmitted
To big torque.
In order to ensure in first group of permanent magnet including the first and second permanent magnets and including the third and fourth permanent magnet
Moment of torsion is smoothly transmitted between second group of permanent magnet, as shown in Fig. 2 the magnetic line of force of four permanent magnets is oriented to：In the first transmission
When axle 1 is fixed with the first and second permanent magnet 2 and 3, to be vertical downwardly directed in Fig. 2 as 0 degree, according to counterclockwise, first
The magnetic line of force S ends of permanent magnet 2 point to 90 degree, and as indicated by arrow in Fig. 2 a, the magnetic line of force S ends of the second permanent magnet, which are pointed to, to be in
Scope as shown in Figure 2 b, i.e., between 140 degree to 190 degree, about 50 degree or so of angle.The 3rd He is fixed with second driving shaft
During the 4th permanent magnet 5,6, according to clockwise, the magnetic line of force S ends of three permanent magnet 5 point to 90 degree, as shown in Figure 2 c, the
Point to scope as shown in Figure 2 d, i.e., between 350 degree to 40 degree, about 50 degree or so of angle in the magnetic line of force S ends of four permanent magnets.Together
When, match be driven when, in order to reach optimal steady transmission effect, the first and second permanent magnets in first group of permanent magnet
The magnetic line of force subtended angle of the third and fourth permanent magnet in the subtended angle of the magnetic line of force, with second group of permanent magnet differs.Wherein, magnetic
The subtended angle of the line of force refers to the angle between the magnetic line of force of two permanent magnets.
In addition, the interval G1 between the first and second permanent magnets is preferably inside and outside two circular permanent magnet diameter sums
Half, i.e. G1=(D1+D2)/2.
Below, reference picture 3 and Fig. 4 descriptions are according to the embodiment of magnetic transmission structure of the present utility model and have can
The purposes of energy.
Reference picture 3, magnetic transmission structure include input side body 10, the circle that the input side body 10 is closed formed with one end
Cylindrical inner chamber, the first power transmission shaft 1 are rotatably supported in inner chamber by being arranged on the bearing 11 and 12 at the both ends of inner chamber,
First power transmission shaft 1 can be connected from one end that the inner chamber is stretched out with such as motor (not shown), to receive from electricity
The rotation of motivation.First permanent magnet 2 and the second permanent magnet 3 are set on first power transmission shaft 1, and in order to ensure the first permanent magnetism
Interval G between body and the second permanent magnet, between the first permanent magnet 2 and the second permanent magnet 3 being provided with non-magnet material is made
Pad 13.
In order to allow the first power transmission shaft 1, the first permanent magnet 2 and the second permanent magnet 3 to rotate in the lumen, the internal diameter of inner chamber can
With the diameter D1 slightly larger than the first and second permanent magnets.In addition, in order to ensure the first and second permanent magnets relative to each other as above
It is described to orient like that, positioner can be provided with the first power transmission shaft 1, to cause the first and second permanent magnets relative to first
Power transmission shaft 1 is not rotatable.For example, the positioner can be spline, keyway and key cooperation or can by bonding, weldering
The mode such as connect to realize.In a preferred embodiment, the first power transmission shaft 1 can be arranged to polygon shaft, as shown in figure 3, example
Such as, it is arranged to octagonal cross-section.And the first and second permanent magnets 2 and 3 could be formed with the hole 14 of polygonal crosssection
(referring to Fig. 2), thus, by the way that the polygon shaft is coordinated in the hole of polygonal crosssection, it is ensured that first and second forever
Magnet 2 and 3 is not relative to each other and rotatable relative to the first power transmission shaft 1.
In addition, in order that the first and second permanent magnets can not relative to axial direction of first power transmission shaft 1 along the first power transmission shaft
It is mobile, can be on the first power transmission shaft 1 formed with the shaft shoulder, or the structures such as collar can be used.
In alternative embodiment, input side body 10 itself can be connected with such as motor, and the input
Inner chamber of the side body 10 formed with polygonal cross-section, and circular permanent magnet is substituted, the first and second permanent magnets can be formed as more
The permanent magnet of side tee section, and the permanent magnet may be inserted into the inner chamber of the polygonal cross-section, so as to realize that permanent magnet is relative
It is non-rotatable in input side body 10.
The structure of outlet side is similar with input side, including exports side body 20 and be arranged in the output side body 20
Second driving shaft 4, the permanent magnet 6 of three permanent magnet 5 and the 4th, concrete structure will not be repeated here.One end of second driving shaft 4 can
To be connected with load (not shown).Input side body 10 and export side body 20 be arranged to the first and second permanent magnets respectively with
Third and fourth permanent magnet is aligned, also, is inputted side body 10 and exported side body 20 and be mounted close to each other, to cause first
And the second gap between permanent magnet 2 and 3 and the third and fourth permanent magnet 5 and 6 is in appropriate scope.Thus, for example electric
When the rotation of motivation is input on the first power transmission shaft 1, the first power transmission shaft 1 drives the first and second permanent magnets 2 and 3 to rotate together with,
The rotation of first and second permanent magnets 2 and 3 is delivered to the 3rd and by the magnetic action with the third and fourth permanent magnet 5 and 6
Four permanent magnets 5 and 6, so as to drive the third and fourth permanent magnet rotating, the rotation of third and fourth permanent magnet drives second to pass
Moving axis 4 rotates, and and then driving load rotation.
Reference picture 4, Fig. 4 show the permanent magnetic shaft coupling for leakage-free valve.First power transmission shaft and hand wheel 24
It is connected, so as to turning effort of the recipient to hand wheel 24.Second driving shaft is connected with the input shaft of valve 26, from
And when hand wheel 24 is driven, the rotation is delivered to the input shaft of valve 26 by magnetic transmission structure, and then manipulates valve
Opening and closing and pump aperture.Because the transmission between the first power transmission shaft and second driving shaft passes through between permanent magnet
Magneticaction realizes that, therebetween without any connecting element, thus, the main body that the structure can be used in valve needs what is sealed
In any purposes, and can be in the case of it need not destroy the sealing of valve in outside manually handle pump.Due to this shaft coupling
Possessive volume is small, simple in construction, with very simple in the control of leakage-free valve.
View of the above, it will be seen that due to magnetic transmission structure of the present utility model and traditional magnetic coupling not
Together, it is not necessary to which alignment transmission axis connects transmission, except can make in the general occasion of in general as conventional magnetic coupling
With outer, the occasion that can also have particular/special requirement at many aspects play a role.
It can be seen that from use above example, the utility model realizes a kind of rotary magnetic transmission structure of permanent magnetism to permanent magnetism.
Making cost, assembly technology, operation principle, use range etc. and traditional permanent magnetism rotary magnetic transmission is entirely different, having many
Following features：1st, with the permanent magnet transmission arranged in parallel of double garden post radial magnetic fields, in transmission, a wherein cylinder permanent magnet can be with
Optional position transmission around another cylinder permanent magnet periphery, rather than must be same as traditional permanent magnet transmission structure
On one axis.2nd, power transmission can be carried out to the mechanism in small space.3rd, the protective separation of interior permanent magnet can be covered on
Planar structure is made in nearest place with outer permanent magnet, when the material of protective separation cover is various nonmagnetic substances, Magnetic drive
Without eddy current loss, high transmission efficiency can be reached.4th, by contrast experiment, it is shaped as circle when permanent magnet and is footpath
During to magnetic field, when using Magnetic drive is carried out in a rotative pattern, its be driven distance be higher than the transmissions of two pieces of square permanent magnets away from
From, that is, during same torque of the permanent magnet clutch of the present utility model in transmission, its air gap can be more than traditional permanent magnetism shaft coupling
Device.
Although being described in detail above with reference to accompanying drawing according to preferred embodiment of the present utility model, this theory is being read
After bright book, those skilled in the art are contemplated that various modification and variation, thus the utility model be not limited to it is above-mentioned
Preferred embodiment, and the scope of the utility model is only limited by appended claims and its equivalent.
Claims (15)
1. a kind of magnetic transmission structure, the magnetic transmission structure includes two or more input side permanent magnets (2,3)；And two or
Multiple outlet side permanent magnets, described two or multiple input side permanent magnets and described two or multiple outlet side permanent magnets are right respectively
There is together and therebetween gap, it is characterised in that described two or more on the premise of using assigned direction as 0 degree of direction
Point in the side away from 90 degree counterclockwise of 0 degree of direction the S poles of the first input side permanent magnet (2) in individual input side permanent magnet
To, and the S poles of the second input side permanent magnet (3) in described two or multiple input side permanent magnets are pointed to away from described 0 degree side
To in the range of 140 degree to 190 degree counterclockwise.
2. magnetic transmission structure as claimed in claim 1, it is characterised in that in described two or multiple outlet side permanent magnets
The S poles of one outlet side permanent magnet (5) are pointed in the direction away from 90 degree counterclockwise of 0 degree of direction, and described two or multiple defeated
Point to away from 350 degree to 400 degree counterclockwise of 0 degree of direction the S poles of the second outlet side permanent magnet (6) gone out in the permanent magnet of side
In the range of.
3. magnetic transmission structure as claimed in claim 2, it is characterised in that in the input side permanent magnet first and second forever
The subtended angle of the magnetic line of force of magnet is different from the magnetic line of force subtended angle of the third and fourth permanent magnet in the outlet side permanent magnet.
4. magnetic transmission structure as claimed in claim 3, it is characterised in that described two or multiple input side permanent magnets have the
One diameter D1, described two or multiple outlet side permanent magnets have Second bobbin diameter D2, D1=D2.
5. magnetic transmission structure as claimed in claim 4, it is characterised in that in axial direction, described two or multiple input sides
The first distance G1 is spaced apart between permanent magnet, in axial direction, the is spaced apart between described two or multiple outlet side permanent magnets
Two distance G2, G1=G2.
6. magnetic transmission structure as claimed in claim 5, it is characterised in that G1=(D1+D2)/2.
7. the magnetic transmission structure as described in claim 5 or 6, it is characterised in that also include being connected with prime mover turning to input
Dynamic input shaft (1) and input side body (10), the input side permanent magnet (2,3) is non-rotatably mounted at the input shaft
(1) on, and it is rotatably received in together with the input shaft (1) in the inner chamber of the input side body (10).
8. magnetic transmission structure as claimed in claim 7, it is characterised in that also including being connected with load, it is defeated to be rotated with exporting
Shaft (4) and output side body (20), the outlet side permanent magnet (5,6) are non-rotatably mounted on the output shaft (4),
And it is rotatably received in together with the output shaft (4) in the inner chamber of the output side body (20).
9. magnetic transmission structure as claimed in claim 8, it is characterised in that the input shaft (1) has polygonal crosssection, and
The heart is respectively arranged with the hole of corresponding polygonal crosssection to the input side permanent magnet (2,3) wherein, so as to non-rotatable
Ground is arranged on the input shaft (1).
10. magnetic transmission structure as claimed in claim 9, it is characterised in that the output shaft (4) has polygonal crosssection,
And the heart is respectively arranged with the hole of corresponding polygonal crosssection to the outlet side permanent magnet (5,6) wherein, so as not to revolve
Turn ground to be arranged on the output shaft (4).
11. magnetic transmission structure as claimed in claim 10, it is characterised in that on the input shaft, in the input side forever
Magnet is provided with pad between (2,3), to ensure the first distance G1.
12. magnetic transmission structure as claimed in claim 11, it is characterised in that on the output shaft, in the outlet side forever
Magnet is provided with pad between (5,6), to ensure the second distance G2.
13. the magnetic transmission structure as any one of claim 1 to 6, it is characterised in that also include being connected with prime mover
The input side body (10) rotated with input, the inner chamber of the input side body have polygonal cross-section, the input side permanent magnetism
Body has corresponding polygonal crosssection so that the input side permanent magnet non-rotatably inserts the input side body
In inner chamber.
14. magnetic transmission structure as claimed in claim 13, it is characterised in that also include being connected what is rotated to export with load
Side body (20) is exported, the inner chamber of the output side body has polygonal crosssection, and the outlet side permanent magnet has relative
The polygonal crosssection answered so that the outlet side permanent magnet is non-rotatably inserted in the inner chamber of the output side body.
15. a kind of leakage-free valve, the leakage-free valve includes hand wheel (24) and valve (26), the hand wheel
(24) be mutually coupled by the input shaft of magnetic transmission structure and the valve (26), it is characterised in that the magnetic transmission structure be as
Magnetic transmission structure any one of the claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720212050.5U CN206908503U (en) | 2017-03-06 | 2017-03-06 | magnetic transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720212050.5U CN206908503U (en) | 2017-03-06 | 2017-03-06 | magnetic transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908503U true CN206908503U (en) | 2018-01-19 |
Family
ID=61295460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720212050.5U Active CN206908503U (en) | 2017-03-06 | 2017-03-06 | magnetic transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539959A (en) * | 2018-04-16 | 2018-09-14 | 胥凤山 | The method and magnetic brake system that a kind of magnet rotating device, magnet rotate smoothly |
-
2017
- 2017-03-06 CN CN201720212050.5U patent/CN206908503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539959A (en) * | 2018-04-16 | 2018-09-14 | 胥凤山 | The method and magnetic brake system that a kind of magnet rotating device, magnet rotate smoothly |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGYIN YUEYA WINDOW DECORATION CO.,LTD. Assignor: Wang Zhihuan Contract record no.: X2019320000346 Denomination of utility model: Method for maknig magnetic driving structure of adjustable curtain used in hollow glass Granted publication date: 20180119 License type: Exclusive License Record date: 20191211 |