CN107269751A - A kind of passive magnetic spring - Google Patents
A kind of passive magnetic spring Download PDFInfo
- Publication number
- CN107269751A CN107269751A CN201710553305.9A CN201710553305A CN107269751A CN 107269751 A CN107269751 A CN 107269751A CN 201710553305 A CN201710553305 A CN 201710553305A CN 107269751 A CN107269751 A CN 107269751A
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- CN
- China
- Prior art keywords
- mover
- permanent magnet
- stator
- rotor permanent
- shaft end
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F6/00—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid
- F16F6/005—Magnetic springs; Fluid magnetic springs, i.e. magnetic spring combined with a fluid using permanent magnets only
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of passive magnetic spring, including stator and mover, described stator is including shell and positioned at outer casing end, the stator shaft end of slip relative with mover, stator permanent magnet is provided with described stator, the pole orientation of stator permanent magnet is parallel to stator shaft orientation, described mover is provided with least two rotor permanent magnets, and the rotor permanent magnet is along the axial arranged of mover, and the same polarity of at least one in described rotor permanent magnet and stator permanent magnet is arranged.The present invention is intended to provide a kind of compact conformation, can effectively reduce the passive magnetic spring of manufacture difficulty and cost.
Description
Technical field
The invention belongs to spring art, more particularly to a kind of passive magnetic spring.
Background technology
Spring is widely used in plant equipment and instrument and meter, by action principle classification have mechanical, pneumatic, hydraulic pressure,
Electromagnetism etc., by function classification is linear and constant force.For magnet spring, by appropriate magnetic Circuit Design, the permanent magnet same sex is utilized
Repel each other, the characteristic that there is a natural attraction between the sexes, may make up the Hookean spring of relation proportional to displacement, or within the specific limits with displacement without
The constant force spring of pass.Such as patent US9016446 discloses the magnet spring of achievable similar functions, and magnet spring, which utilizes to be located at, to be determined
The magnetic regions modulation magnetic signature of son and sliding block, it is allowed to the self-defined force curve in range of movement, also discloses a kind of magnetic
Spring, its sliding block can rotate relative to stator on axis so that the modulation magnetic signature in space where sliding block and stator
Directrix changes, and causes the change of spring force curve, preferably realizes this process by rotary slider.However, because the program is adopted
With HALBACH magnetic structure, therefore manufacturing process is complicated, and cost is higher.
The content of the invention
The present invention be in order to overcome it is of the prior art it is above-mentioned deficiency there is provided a kind of compact conformation, can effectively reduce system
Make the passive magnetic spring of difficulty and cost.
To achieve these goals, the present invention uses following technical scheme：
A kind of passive magnetic spring, including stator and mover, described stator include shell and positioned at outer casing end and mover
Stator permanent magnet is provided with the relative stator shaft end slided, described stator, the pole orientation of stator permanent magnet is parallel to stator
Axially, described mover is provided with least two rotor permanent magnets, and the rotor permanent magnet is described along the axial arranged of mover
At least one in rotor permanent magnet and the same polarity of stator permanent magnet are arranged.So, stator is determined by shell with the external world
Position, mover can relative stator slide, the stator shaft end on stator carries out spacing to mover so that mover can be reciprocal back and forth vertically
It is mobile.Mover is provided with multiple rotor permanent magnets, by homopolarity between rotor permanent magnet or heteropole arrangement mode, can make magnetic bullet
Spring realizes constant force output or linear convergent rate, compact overall structure, can effectively reduce manufacture difficulty, saves production cost, and
Pushing force density is high, without external drive, can replace the hydraulic spring grease cup of mechanical spring or structure bulky.
Preferably, described rotor permanent magnet includes the first rotor permanent magnet and the second rotor permanent magnet, the mover
Two ends be respectively equipped with by the first rotor permanent magnet and the second rotor permanent magnet compression mover shaft end.So, mover shaft end
Inner side is contacted with the first rotor permanent magnet and the second rotor permanent magnet, and the first rotor permanent magnet and the second rotor permanent magnet are positioned
Between mover shaft end.
Preferably, described mover is solid provided with overcoat, the end of the guiding overcoat and the socket of mover shaft end is oriented to
Fixed, described rotor permanent magnet, which is located at, is oriented to jacket internal.It is oriented to overcoat to fix with two mover shaft ends simultaneously, is oriented to overcoat
Surface and the sliding contact of mover shaft end, both constitute kinematic pair, realize the reciprocating motion of mover.Being oriented to overcoat can be to mover shaft end
Play a protective role, effectively increase the service life with rotor permanent magnet.
Preferably, the end of the shell coordinates with stator shaft end screw thread, described stator permanent magnet, which is located at two, to be determined
Between sub- shaft end, stator shaft end is to stator permanent magnet clamping and positioning.So, when shell and stator shaft end are installed, you can by stator
Permanent magnet is clamped positioning, and assembling process is more convenient.
Preferably, described mover is provided with external screw thread, the mover shaft end is provided with the internal thread coordinated with external screw thread,
The end of mover is provided with the locking nut to mover central pressing mover shaft end.Mover shaft end and mover are coordinated by screw thread to be connected
Connect, mover shaft end is fastened further through locking nut, it is ensured that mover shaft end positioning stablity is reliable.
Preferably, the first described rotor permanent magnet and the second rotor permanent magnet same polarity arrangement.First mover permanent magnetism
When body and the second rotor permanent magnet same polarity arrangement, magnet spring is approximately constant force output, i.e. constant force magnet spring, constant force magnetic
Spring can be used for balance Z axis moving-mass, can significantly improve response and the stability of kinematic system.
As the alternative solution of such scheme, the first described rotor permanent magnet and the second rotor permanent magnet heteropolarity cloth
Put.When the first rotor permanent magnet and the second rotor permanent magnet heteropolarity arrangement, magnet spring is approximately linear convergent rate, i.e., linear magnetic
Property spring.
Preferably, described mover is provided with scavenging set, described scavenging set is located in shell, on the stator shaft end
Provided with passage, the passage is provided with air guide channel, outlet being slidably matched towards stator shaft end of the air guide channel
Face, the air guide channel is provided with filter screen.So, scavenging is enclosed on move back and forth during, coordinate air guide channel can provide one
Fixed damping, can adapt to while needing the situation of elastic force and damping.Mover is during relative stator is moved back and forth, scavenging
The face that is slidably matched by stator shaft end is compressed and blowed to air in shell is covered, the dust on stator shaft end and mover is removed, protected
Both cleanings of card, so as to improve the magnet spring life-span.
Preferably, described scavenging is put provided with along the axial arranged through hole of mover, described through hole is provided with and can opened
Provided with the projection that valve plate can be driven to be opened and closed on the inside of the valve plate closed, described stator shaft end.When deashing need not be carried out, it can promote
Mover makes scavenging set be moved to stator axis end position, valve plate and male cooperation, is opened valve plate by rotating mover, and air can be
Proper flow between scavenging set both sides.
The beneficial effects of the invention are as follows：（1）Compact conformation, simplifies manufacturing process, effectively reduces production cost；（2）
Compared with mechanical spring, pushing force density is high, compact conformation, and in the absence of metal fatigue problem, reliability is high, with pneumatic, hydraulic pressure
Or electromagnetic spring is compared, external drive, such as compression pump or power supply can be omitted, and in the absence of sealing problem；（3）It can enter when needed
Row deashing is operated, and effectively improves service life.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the normalization elastic force and placement property figure of the embodiment of the present invention 1；
Fig. 3 is the structural representation of the embodiment of the present invention 2；
Fig. 4 is the normalization elastic force and placement property figure of the embodiment of the present invention 2；
Fig. 5 is the structural representation of the embodiment of the present invention 3.
In figure：Stator shaft end 1, passage 1a, air guide channel 1b, stator permanent magnet 2, the first rotor permanent magnet 3a, second
Rotor permanent magnet 3b, shell 4, mover 5 is oriented to overcoat 6, mover shaft end 7, locking nut 8, filter screen 9, scavenging set 10, through hole
10a, valve plate 11, projection 12.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1
In embodiment as shown in Figure 1, a kind of passive magnetic spring, including stator and mover 5, stator includes shell 4 and two
Stator shaft end 1, stator shaft end is located at outer casing end respectively, and end and the stator shaft end screw thread of shell coordinate.Provided with fixed in stator
Sub- permanent magnet 2, the pole orientation of stator permanent magnet is parallel to stator shaft orientation, and stator permanent magnet is located between two stator shaft ends,
Stator shaft end is to stator permanent magnet clamping and positioning.
Mover is provided with two mover shaft ends 7 and two rotor permanent magnets, and mover is provided with external screw thread, and mover shaft end is provided with
The internal thread coordinated with external screw thread.Two rotor permanent magnets are the first rotor permanent magnet 3a and the second rotor permanent magnet 3b, mover
Permanent magnet is along the axial arranged of mover, and the same polarity in two rotor permanent magnets with stator permanent magnet is arranged.Two movers are forever
Magnet is set on mover and between two mover shaft ends, mover shaft end by the first rotor permanent magnet and the second mover forever
Magnet is compressed.Guiding overcoat 6 is additionally provided with mover, the end and mover shaft end for being oriented to overcoat are fixed by socket, is oriented to the outer of overcoat
Surface is slidably matched with stator shaft end, and two rotor permanent magnets, which are located at, is oriented to jacket internal.In addition, the end of mover is provided with to dynamic
Subcenter compresses the locking nut 8 of mover shaft end, to ensure that positioning fastening is reliable.
In actual moving process, mover is by magneticaction between rotor permanent magnet and stator permanent magnet, mover and fixed
When relative displacement occurs for son, mover is by magnetic force reaction, and magnet spring is approximately that constant force is exported, i.e. constant force magnet spring, defeated
Exert oneself as shown in Figure 2 with the placement property of mover relative stator.
Embodiment 2
In embodiment as shown in Figure 3, a kind of passive magnetic spring, including stator and mover 5, stator includes shell 4 and two
Stator shaft end 1, stator shaft end is located at outer casing end respectively, and end and the stator shaft end screw thread of shell coordinate.Provided with fixed in stator
Sub- permanent magnet 2, the pole orientation of stator permanent magnet is parallel to stator shaft orientation, and stator permanent magnet is located between two stator shaft ends,
Stator shaft end is to stator permanent magnet clamping and positioning.
Mover is provided with two mover shaft ends 7 and two rotor permanent magnets, and mover is provided with external screw thread, and mover shaft end is provided with
The internal thread coordinated with external screw thread.Two rotor permanent magnets are the first rotor permanent magnet and the second rotor permanent magnet 3b, and mover is forever
Magnet is along the axial arranged of mover, and stator permanent magnet and the second rotor permanent magnet are same polarity arrangement, the first rotor permanent magnet and
Second rotor permanent magnet heteropolarity is arranged.Two rotor permanent magnets are set on mover and between two mover shaft ends,
Mover shaft end compresses the first rotor permanent magnet and the second rotor permanent magnet.Guiding overcoat 6 is additionally provided with mover, overcoat is oriented to
End and mover shaft end are fixed by socket, and the outer surface for being oriented to overcoat is slidably matched with stator shaft end, and two rotor permanent magnets are located at
It is oriented to jacket internal.In addition, the end of mover is provided with the locking nut 8 to mover central pressing mover shaft end, to ensure positioning
Fastening is reliable.
In actual moving process, mover is by magneticaction between rotor permanent magnet and stator permanent magnet, mover and fixed
When relative displacement occurs for son, mover is by magnetic force reaction, and magnet spring is approximately linear convergent rate, i.e. linear magnetic spring, defeated
Exert oneself as shown in Figure 4 with the placement property of mover relative stator.
Embodiment 3
Difference of the present embodiment with respect to embodiment 1, embodiment 2 is, as shown in figure 5, mover is provided with scavenging set 10, scavenging set
In shell 4, stator shaft end 1 is provided with passage 1a, and passage is provided with air guide channel 1b, the outlet direction of air guide channel
The face that is slidably matched of stator shaft end, air guide channel is provided with filter screen 9.Scavenging, which is put, to be provided with along the axial arranged through hole 10a of mover,
Through hole is provided with the inside of valve plate 11 to be opened/closed, stator shaft end provided with the projection 12 that valve plate can be driven to be opened and closed.When needing to be swept
During gas deashing, valve plate is closed, and during mover relative stator is moved, scavenging set will compress to air in shell,
And by passage and air guide channel, the face that is slidably matched of stator shaft end is finally blowed to, remove the ash on stator shaft end and mover
Dirt.When deashing need not be carried out, mover can be promoted scavenging set is moved to stator axis end position, valve plate and male cooperation, led to
Rotation mover is crossed to open valve plate, air can scavenging set both sides between proper flow.
Claims (9)
1. a kind of passive magnetic spring, it is characterized in that, including stator and mover（5）, described stator includes shell（4）And position
In shell（4）End and mover（5）The relative stator shaft end slided（1）, described stator is interior to be provided with stator permanent magnet（2）, it is fixed
Sub- permanent magnet（2）Pole orientation parallel to stator shaft orientation, described mover（5）It is provided with least two rotor permanent magnets, institute
Rotor permanent magnet is stated along mover（5）Axial arranged, at least one in described rotor permanent magnet and stator permanent magnet（2）'s
Same polarity is arranged.
2. a kind of passive magnetic spring according to claim 1, it is characterized in that, described rotor permanent magnet includes first and moved
Sub- permanent magnet（3a）With the second rotor permanent magnet（3b）, the mover（5）Two ends be respectively equipped with the first rotor permanent magnet
（3a）With the second rotor permanent magnet（3b）The mover shaft end of compression（7）.
3. a kind of passive magnetic spring according to claim 2, it is characterized in that, described mover（5）It is outer provided with being oriented to
Set（6）, the guiding overcoat（6）End and mover shaft end（7）It is fixed by socket, described rotor permanent magnet, which is located at, is oriented to overcoat
（6）It is internal.
4. a kind of passive magnetic spring according to claim 1 or 2 or 3, it is characterized in that, the shell（4）End with
Stator shaft end（1）Screw thread coordinates, described stator permanent magnet（2）Positioned at two stator shaft ends（1）Between, stator shaft end（1）It is right
Stator permanent magnet（2）Clamping and positioning.
5. a kind of passive magnetic spring according to Claims 2 or 3, it is characterized in that, described mover（5）It is provided with outer spiral shell
Line, the mover shaft end（7）Provided with the internal thread coordinated with external screw thread, mover（5）End be provided with to mover（5）Central pressing
Mover shaft end（7）Locking nut（8）.
6. a kind of passive magnetic spring according to Claims 2 or 3, it is characterized in that, the first described rotor permanent magnet
（3a）With the second rotor permanent magnet（3b）Same polarity is arranged.
7. a kind of passive magnetic spring according to Claims 2 or 3, it is characterized in that, the first described rotor permanent magnet
（3a）With the second rotor permanent magnet（3b）Heteropolarity is arranged.
8. a kind of passive magnetic spring according to claim 1 or 2 or 3, it is characterized in that, described mover（5）It is provided with
Scavenging set（10）, described scavenging set（10）Positioned at shell（4）It is interior, the stator shaft end（1）It is provided with passage（1a）, it is described
Passage（1a）It is provided with air guide channel（1b）, the air guide channel（1b）Outlet towards stator shaft end（1）Be slidably matched
Face, the air guide channel（1b）It is provided with filter screen（9）.
9. a kind of passive magnetic spring according to claim 8, it is characterized in that, described scavenging set（10）It is provided with along dynamic
Son（5）Axial arranged through hole（10a）, described through hole（10a）It is provided with valve plate to be opened/closed（11）, described stator shaft end
（1）Inner side, which is provided with, can drive valve plate（11）The projection of opening and closing（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553305.9A CN107269751B (en) | 2017-07-07 | 2017-07-07 | A kind of passive magnetic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553305.9A CN107269751B (en) | 2017-07-07 | 2017-07-07 | A kind of passive magnetic spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107269751A true CN107269751A (en) | 2017-10-20 |
| CN107269751B CN107269751B (en) | 2018-11-20 |
Family
ID=60073068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710553305.9A Active CN107269751B (en) | 2017-07-07 | 2017-07-07 | A kind of passive magnetic spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269751B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922990A (en) * | 2021-01-19 | 2021-06-08 | 上海隐冠半导体技术有限公司 | Magnetic spring device |
| CN114439876A (en) * | 2022-01-14 | 2022-05-06 | 清华大学 | Friction electrification electromagnetic liquid damping shock absorber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4081324B2 (en) * | 2002-08-06 | 2008-04-23 | シーケーディ株式会社 | Magnetic spring |
| JP3187011U (en) * | 2013-08-08 | 2013-11-07 | 株式会社レイホー | Magnetic actuator and auxiliary opening / closing device |
| CN203463241U (en) * | 2013-08-13 | 2014-03-05 | 王福军 | Magnetic vibration reduction type vibration power generation device |
| CN105402297A (en) * | 2014-08-14 | 2016-03-16 | 香港理工大学 | Magnetic negative stiffness damper |
| UA116741U (en) * | 2016-08-05 | 2017-06-12 | Вадим Юрійович Цивіліцин | MAGNETIC SPRING |
| CN207018411U (en) * | 2017-07-07 | 2018-02-16 | 宁波亿文特自动化科技有限公司 | Passive magnetic spring |
-
2017
- 2017-07-07 CN CN201710553305.9A patent/CN107269751B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4081324B2 (en) * | 2002-08-06 | 2008-04-23 | シーケーディ株式会社 | Magnetic spring |
| JP3187011U (en) * | 2013-08-08 | 2013-11-07 | 株式会社レイホー | Magnetic actuator and auxiliary opening / closing device |
| CN203463241U (en) * | 2013-08-13 | 2014-03-05 | 王福军 | Magnetic vibration reduction type vibration power generation device |
| CN105402297A (en) * | 2014-08-14 | 2016-03-16 | 香港理工大学 | Magnetic negative stiffness damper |
| UA116741U (en) * | 2016-08-05 | 2017-06-12 | Вадим Юрійович Цивіліцин | MAGNETIC SPRING |
| CN207018411U (en) * | 2017-07-07 | 2018-02-16 | 宁波亿文特自动化科技有限公司 | Passive magnetic spring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922990A (en) * | 2021-01-19 | 2021-06-08 | 上海隐冠半导体技术有限公司 | Magnetic spring device |
| CN114439876A (en) * | 2022-01-14 | 2022-05-06 | 清华大学 | Friction electrification electromagnetic liquid damping shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107269751B (en) | 2018-11-20 |
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