CN208272829U - A kind of linear actuator of electromagnetic-permanent magnetic immixture - Google Patents
A kind of linear actuator of electromagnetic-permanent magnetic immixture Download PDFInfo
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- CN208272829U CN208272829U CN201820742262.9U CN201820742262U CN208272829U CN 208272829 U CN208272829 U CN 208272829U CN 201820742262 U CN201820742262 U CN 201820742262U CN 208272829 U CN208272829 U CN 208272829U
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- pedestal
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- permanent magnet
- magnetic pole
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Abstract
The utility model discloses a kind of linear actuator of electromagnetic-permanent magnetic immixture, and main component includes pedestal, coil, iron core, top armature, permanent magnet, spring, adhesive armature, hanging ring piston；When the coil is not energized, the spring force that the magnetic attraction force for the permanent magnet that adhesive armature is subject to is not enough to that spring is overcome to give adhesive armature, therefore the lower surface of adhesive armature and the upper surface of pedestal keep certain air gap；After coil is powered, magnetic attraction force that adhesive armature is subject to is greater than the elastic force of spring, and adhesive armature moves down, until the lower surface of adhesive armature and the upper surface of pedestal offset or spring force is equal with magnetic attraction force reach dynamic balance until；The reciprocating motion of hanging ring piston can be realized by the energization and power-off of coil, or the axial position of hanging ring piston is controlled by the size of current of control coil；The utility model has the characteristics that novel in design, compact-sized, energy consumption is small, it is big to be used as power.
Description
Technical field
The utility model belongs to active control device field, and in particular to a kind of straight line work of electromagnetic-permanent magnetic immixture
Dynamic device.
Background technique
Actuator is one of critical component of active control system, it applies controll plant by determining control rate
Active force.Linear type actuator is that the electric signal of controller output is converted to the displacement or thrust of piston.The movement of piston can
By by air pressure, it is hydraulic, realize in the form of three kinds of electromagnetism.There are low efficiency, low-response, structures for air-pressure type or hydraulic linear actuator
Many defects such as complicated, leakage sealed, environmental pollution, weight is big, thus use scope is limited, and electromagnetic type linear actuator is then
It can be very good to solve drawbacks described above.Therefore, it has received widespread attention and is widely used.
If the magnetic field of electromagnetic type linear actuator fully relies on to the mode for being passed through electric current in coil and generates, thrust
It is smaller, it is therefore desirable to take to improve electric current or increase the mode of the number of turns and improve thrust, thus will definitely increase energy consumption and
The volume of actuator.Based on this, permanent magnet is installed in electromagnetic actuator by the utility model consideration, utilizes electromagnetism and permanent magnetism coupling
The principle for closing excitation, proposes a kind of linear actuator of electromagnetic-permanent magnetic immixture, preferably to solve the above problems.
Utility model content
In order to solve some shortcomings on existing sorting technique, the utility model provides a kind of electromagnetic-permanent magnetic immixture
Linear actuator.
To achieve the above object, the utility model is to be achieved through the following technical solutions:
A kind of linear actuator of electromagnetic-permanent magnetic immixture, including hanging ring piston, small copper sheathing, outer cylinder end cap, actuation rank
Iron, big copper sheathing, securing barrel, spring, screw, magnetic pole cover board, magnetic pole supporting block, permanent magnet, magnetic pole backing plate, top armature, iron
Core, coil and pedestal.
Pedestal be back cover cylinder tubular structure, shaft section in "" font, the back cover disk positioned at pedestal cylinder lower end
For collar plate shape, and it is coaxially connected together with pedestal cylinder.Outside on back cover disk positioned at pedestal cylinder is equal around pedestal collar shape
Several through-holes of cloth, the through-hole are used for the fixation of pedestal.Pedestal inside top face ring is evenly distributed with six square breach, base around base axis
Seat cylinder lateral surface sets a positioning convex platform, and positioning convex platform is the cyclic structure coaxial with pedestal, and the lateral surface of positioning convex platform is set
There is external screw thread.
The shaft section of outer cylinder end cap is the cylinder tubular structure of " Jiong " font, and outer cylinder end cap is coated on outside pedestal and and pedestal
Threaded connection, outer cylinder end cap constitutes closed cavity body structure after connecting with pedestal.
Securing barrel is surrounded on the outside of pedestal and, the convex of securing barrel and pedestal coaxial with pedestal and outer cylinder end cap
Platform lateral surface is connected with each other by screw thread, and iron core is coaxially mounted in pedestal cylinder, and mandrel bottom is connect with back cover disk, coil
It is coated on outside iron core and wound core axis is wound, and the inner surface of the outer surface of coil and pedestal cylinder sets the gas of one fixed width
Gap.
Top armature is located in pedestal to be connect and coaxial with pedestal with iron core upper surface, and top armature upper surface outer rim is evenly distributed with
Six axially towards upper square breach radially outward, and the square breach of top armature and the square breach of pedestal it is coaxial and
Relatively, the two collectively forms the locating slot that six cross sections are in rectangle, and magnetic pole backing plate is closed hoop structure, and it is fixed to be coaxially placed in
The bottom of position slot, permanent magnet quantity is consistent with positioning slot number, and a permanent magnet is all provided in each locating slot.Magnetic pole supporting block
Quantity is consistent with permanent magnet quantity, each magnetic pole supporting block is embedded in the upper surface of magnetic pole backing plate, the side of permanent magnet, top respectively
In gap composed by the outer fringe surface of portion's armature, the inside diameter surface of pedestal cylinder, permanent magnet, magnetic pole supporting block upper surface cover
Lid magnetic pole cover board, magnetic pole cover board are connect by screw with pedestal upper surface, and outer cylinder end cap upper surface is equipped with coaxial with outer cylinder end cap
Piston hole, small copper sheathing is coaxially fixedly installed in piston hole, and small copper sheathing outer fringe surface and piston hole are interference fitted, and hanging ring is living
Plug is slidably connected by small copper sheathing with piston hole, the inner hole clearance fit of the outer fringe surface of hanging ring piston and small copper sheathing.Hanging ring is living
The lower end of plug is located in outer cylinder end cap and is connected through a screw thread with adhesive armature, and adhesive armature is located in outer cylinder end cap and and outer cylinder
End cap is coaxial, and big copper sheathing is embedded in the periphery outer rim of adhesive armature, the outer fringe surface of big copper sheathing and the barrel of outer cylinder end cap
Internal surface gaps cooperation.Assembly after hanging ring piston and adhesive armature are threadedly coupled can slide in the axial direction guiding movement.
Spring is located at position between pedestal and outer cylinder end cap contact surface, is coaxially coated on pedestal outer surface, the spring
Lower end surface offsets with positioning convex platform upper surface, and the upper surface of spring and the lower end surface of adhesive armature offset.
Further, the pedestal, iron core, top armature, adhesive armature, screw are magnetic conductive metal material.
Further, the outer cylinder end cap, securing barrel, hanging ring piston, spring, big copper sheathing, small copper sheathing are non-magnetic gold
Belong to material, wherein big copper sheathing, small copper sheathing material be copper.
Further, the big copper sheathing is that two symmetrical semicircular rings are constituted.
Further, the magnetic pole backing plate, magnetic pole supporting block, magnetic pole cover board are non-magnetic nonmetallic materials.
Further, the permanent magnet lower end surface offsets with magnetic pole backing plate, and each permanent magnet pole installs (such as N in the same direction
Pole be directed to top armature), the both ends magnetic pole of permanent magnet is in contact with top armature with pedestal cylinder, permanent magnet, top armature,
Four iron core, pedestal parts constitute a complete magnetic circuit.
Further, the coil and the magnetic direction that iron core generates are opposite with the magnetic direction of permanent magnet.
The utility model structure is simple, flexible and convenient to use, and rapidly, driving force output is stablized and driving force is big, ring for response
Border pollution is low, while effectively reducing in actuator operational process, to electric energy degree of dependence, so that reaching is reducing operation energy
While consumption, the stability and reliability of equipment operation are effectively raised, and greatly improves the scope of application.
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description；
Fig. 1 is the outside drawing of the actuator of the utility model；
Fig. 2 is the assembling exploded view of the actuator of the utility model；
Fig. 3 is in the actuator of the utility model, and pedestal is decomposed into the schematic diagram after pedestal cylinder and back cover disk；
Fig. 4 is the first cross-sectional view of the actuator of the utility model, the center that cross-sectional plane passes through permanent magnet；
Fig. 5 is the second cross-sectional view of the actuator of the utility model, and cross-sectional plane passes through screw center；
Fig. 6 is in the actuator of the utility model, and from the first cross-sectional view view, the magnetic line of force divides when coil is not powered on
Butut；
Fig. 7 is in the actuator of the utility model, from the distribution of the magnetic line of force after the first cross-sectional view view, coil energization
Figure；
Fig. 8 is in the actuator of the utility model, and from the first cross-sectional view view, after coil is powered, spring is attracted
The status diagram of armature compression.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
A kind of linear actuator of electromagnetic-permanent magnetic immixture as described in Fig. 1-8, including hanging ring piston 1, small copper sheathing
2, outer cylinder end cap 3, adhesive armature 4, big copper sheathing 5, securing barrel 6, spring 7, screw 8, magnetic pole cover board 9, magnetic pole supporting block 10, forever
Magnet 11, magnetic pole backing plate 12, top armature 13, iron core 14, coil 15 and pedestal 16.
Pedestal 16 be back cover cylinder tubular structure, shaft section in "" font, positioned at 1601 lower end of pedestal cylinder
Back cover disk 1602 is collar plate shape, and coaxially connected together with pedestal cylinder 1601.It is located at pedestal cylinder on back cover disk 1602
1601 outside is evenly distributed with several through-holes around the collar shape of pedestal 16, which is used for the fixation of pedestal 16.16 inside top of pedestal
Face ring is evenly distributed with six square breach around the axis of pedestal 16, and 1601 lateral surface of pedestal cylinder sets a positioning convex platform, positioning convex platform
Lateral surface for the cyclic structure coaxial with pedestal 16, positioning convex platform is equipped with external screw thread.
The shaft section of outer cylinder end cap 3 is the cylinder tubular structure of " Jiong " font, outer cylinder end cap 3 be coated on pedestal 16 it is outer and with
The threaded connection of pedestal, outer cylinder end cap 3 constitute closed cavity body structure after connecting with pedestal 16.
Securing barrel 6 is surrounded on 16 outside of pedestal and, securing barrel 6 and pedestal coaxial with pedestal 16 and outer cylinder end cap 3
16 positioning convex platform lateral surface is connected with each other by screw thread, and iron core 14 is coaxially mounted in the cylinder 1601 of pedestal 16, and with envelope
Chassis 1602 connects, and coil 15 is coated on outside iron core 14 and the winding of 14 axis of wound core, and the outer surface of coil 15 and pedestal
The inner surface of cylinder 1601 sets the air gap of one fixed width.
Top armature 13 is located in pedestal 16 to be connect and coaxial with pedestal 16 with 14 upper surface of iron core, top armature 13 it is upper
Uniformly distributed six of end face outer rim is axially towards upper square breach radially outward, and the square breach of top armature 13 and pedestal 16
Square breach it is coaxial and opposite, the two collectively forms the locating slot that six cross sections are in rectangle, and magnetic pole backing plate 12 is close ring
Shape structure is coaxially placed in the bottom of locating slot, and 11 quantity of permanent magnet is consistent with positioning slot number, and is all provided in each locating slot
One permanent magnet 11.10 quantity of magnetic pole supporting block is consistent with 11 quantity of permanent magnet, each magnetic pole supporting block 10 is embedded in magnetic respectively
The upper surface of polar cushion plate 12, the side of permanent magnet 11, the outer fringe surface of top armature 13,16 cylinder 1601 of pedestal inside diameter surface
In composed gap, the upper surface covering magnetic pole cover board 9 of permanent magnet 11, magnetic pole supporting block 10, magnetic pole cover board 9 passes through screw 8
It is connect with 16 upper surface of pedestal, 3 upper surface of outer cylinder end cap is equipped with the piston hole coaxial with outer cylinder end cap 3, and small copper sheathing 2 is coaxially fixed
It is installed in piston hole, and 2 outer fringe surface of small copper sheathing and piston hole are interference fitted, hanging ring piston 1 passes through small copper sheathing 2 and piston hole
It is slidably connected, the inner hole clearance fit of the outer fringe surface of hanging ring piston 1 and small copper sheathing 2.The lower end of hanging ring piston 1 is located at outer cylinder end
It is connected through a screw thread in lid 3 and with adhesive armature 4, adhesive armature 4 is located in outer cylinder end cap 3 and, big copper coaxial with outer cylinder end cap 3
Set 5 is embedded in the periphery outer rim of adhesive armature 4, the outer fringe surface of big copper sheathing and the barrel internal surface gaps of outer cylinder end cap 3
Cooperation.Assembly after hanging ring piston 1 and adhesive armature 4 are threadedly coupled can slide in the axial direction guiding movement.
Spring 7 is located at position between 3 contact surface of pedestal 16 and outer cylinder end cap, is coaxially coated on 16 outer surface of pedestal, described
The lower end surface of spring 7 offsets with positioning convex platform upper surface, and the upper surface of spring 7 and the lower end surface of adhesive armature 4 offset.
In the present embodiment, the pedestal 16, iron core 14, top armature 13, adhesive armature 4, screw 8 are magnetic conductivity gold
Belong to material.
In the present embodiment, the outer cylinder end cap 3, securing barrel 6, hanging ring piston 1, spring 7, big copper sheathing 5, small copper sheathing 2 are
Non-magnetic metal material, wherein big copper sheathing 5, small copper sheathing 2 material be copper.
In the present embodiment, the big copper sheathing 5 is that two symmetrical semicircular rings are constituted.
In the present embodiment, the magnetic pole backing plate 12, magnetic pole supporting block 10, magnetic pole cover board 9 are non-magnetic non-metallic material
Material.
In the present embodiment, 11 lower end surface of permanent magnet offsets with magnetic pole backing plate 12, and each 11 magnetic pole of permanent magnet is pacified in the same direction
Dress (such as the pole N is directed to top armature 13), the both ends magnetic pole of permanent magnet 11 connects with top armature 13 with pedestal cylinder 1601
Touching, 16 4 permanent magnet 11, top armature 13, iron core 14, pedestal parts constitute a complete magnetic circuit.
In the present embodiment, the magnet field direction phase of magnetic direction and permanent magnet 11 that the coil 15 is generated with iron core 14
Instead.
For the utility model in assembly, above-mentioned all parts are divided into first assembly, the second component, spring 7, securing barrel 6
Four parts.
First assembly:
Pedestal 16 is the cylinder-like structure of back cover.Back cover disk 1602 and the coaxially connected composition pedestal 16 of pedestal cylinder 1601,
And the diameter of back cover disk 1602 is greater than the outer diameter of pedestal cylinder 1601, and is greater than pedestal cylinder 1601 on being located at back cover disk 1602
Outer diameter at around rotary shaft be evenly distributed with several through-holes, pedestal 16 can be made to be fixed on matrix using the through-hole.When actuator works,
The position of pedestal 16 remains unchanged.
Iron core 14 is wound by coil 15, and the iron-core coil assembly that the two combination is constituted is coaxially mounted to pedestal cylinder
In 1601, and it is connect with back cover disk 1602；The outer diameter of iron-core coil assembly is less than the internal diameter of pedestal cylinder 1601, that is, wants
Certain air gap is stayed between the periphery outer rim of coil 15 and the inner wall of pedestal cylinder 1601 after making winding.
Top armature 13 is coaxially mounted in pedestal cylinder 1601, the top of iron-core coil assembly, the armature 13 at top
Outer rim along rotary shaft uniformly distributed six axially towards upper square breach radially outward；Correspondingly, in pedestal cylinder 1601
Inside top is also evenly distributed with six square breach axially towards upper and radially inwards along rotary shaft, and with top armature 13
Six square breach match constitute six square grooves, for placing permanent magnet 11 and its supporting element.
Six square grooves and top armature 13 and pedestal cylinder 1601 that top armature 13 and pedestal cylinder 1601 are constituted
Between air gap be connected will form a biggish open space, magnetic pole backing plate 12 is first placed in this space, purpose was both
It can prevent the lower surface of permanent magnet 11 from being scratched by the corner angle of square groove, and can play the role of lifting permanent magnet 11, make forever
The lower surface of magnet 11 is not suspended, and permanent magnet 11 is prevented to be broken along its lower surface；Then each in each square groove again
It is pressed into one piece of permanent magnet, and the same pole (such as the pole N) of all permanent magnets 11 is made to be directed to axis, and the both ends of permanent magnet 11
Magnetic pole is in contact with top armature 13 with pedestal cylinder 1601, makes permanent magnet 11, top armature 13, iron core 14, pedestal 16 4
Part constitutes a complete magnetic circuit；The upper surface of magnetic pole backing plate 12, the side of permanent magnet 11, top armature 13 outer rim table
Face, pedestal cylinder 1601 inside diameter surface can form six slots again, magnetic pole supporting block 10 is placed in slot, the purpose is to by permanent magnetism
Body 11 along the circumferential direction compresses, and gives the support on 11 circumferencial direction of permanent magnet, permanent magnet 11 is prevented laterally to be broken；Most
Afterwards, permanent magnet 11, magnetic pole supporting block 10 upper surface cover magnetic pole cover board 9, by permanent magnet 11 along axial compression, in pedestal cylinder
1601 upper surfaces are evenly distributed with six threaded holes along centre rotational axis, and magnetic pole cover board 9 is fixed on pedestal 16 using screw 8；To line
Circle 15 direction of winding or current direction be defined as coil 15 be powered after make the magnetic direction of iron core and the magnetic field of permanent magnet 11
It is contrary.
So far the assembly of first assembly is completed.
Second component:
Outer cylinder end cap 3 is the tubular structure to bind, and there are piston hole, the small copper sheathings of piston hole inner sleeve for the disc centre to bind
2, hanging ring piston 1 is inserted by small 2 inner hole of copper sheathing, wherein the inside of the male thread portion insertion outer cylinder end cap 3 of hanging ring piston 1,
Small copper sheathing 2 gives the effect of slide-and-guide when hanging ring piston 1 is axially moveable；Adhesive armature 4 is mounted on the cylinder of outer cylinder end cap 1
Interior, the internal screw thread of the external screw thread and adhesive armature 4 of hanging ring piston 1 links together；The embedded big copper of installation of the outer rim of adhesive armature 4
Set 5, adhesive armature 4 and big copper sheathing 5 are installed along in the cylinder of outer cylinder end cap 3, and big copper sheathing 5 gives adhesive armature 4 along axial direction
Slide-and-guide effect when mobile.
So far the assembly of the second component is completed.
Then first assembly, the second component, spring, four part of securing barrel are assembled together.
The outer fringe surface of the pedestal cylinder 1601 of first assembly has more a step surface, and spring is placed in the upper surface of step surface
7；There is one section of external screw thread in the outer rim of step surface, for being connected with the internal screw thread of outer cylinder end cap 3 and securing barrel 6.Installation
When, spring 7 is first placed on step surface；Then the rotation of securing barrel 6 is screwed on the external screw thread of pedestal cylinder 16 again；Then will
Second component is combined with first assembly, and the outer cylinder end cap 3 of the second component is set in pedestal cylinder 1601, spring 7 it is upper
Surface is in contact with the lower surface of adhesive armature 4；Then the internal screw thread rotation of the outer cylinder end cap 3 of the second component is screwed in pedestal cylinder
On 1601 external screw thread, make adhesive armature 4 by the pushing of outer cylinder end cap 3 to give spring 7 certain preload pressure, and inhales
Closing the elastic force upward by spring 7 of armature 4 separates the lower surface of adhesive armature 4 mutually with the upper surface of top armature 13, thus
Make to keep certain air gap between adhesive armature 4 and top armature 13；The last convolution upwards of securing barrel 6, makes securing barrel 6
Upper surface is in contact and compresses with the lower surface of the barrel of outer cylinder end cap 3, prevents the second component from falling off at work, plays
Locking effect.
So far the assembly of the linear actuator of entire electromagnetic-permanent magnetic immixture is completed.
A kind of linear actuator of electromagnetic-permanent magnetic immixture in use, when coil 15 is not powered on, adhesive armature 4 by
The elastic force of the magnetic attraction force little Yu spring 7 arrived makes adhesive armature 4 and the upper surface of pedestal 16 keep certain air gap；Coil 15
After energization, the magnetic attraction force that adhesive armature 4 is subject to is greater than the elastic force of spring 7, and adhesive armature 4 pushes compressed spring 7, until being attracted
The elastic force of the lower surface of armature 4 and the upper surface of top armature 13 offsets or adhesive armature 4 is subject to magnetic attraction force and spring 7
It is equal reach dynamic balance until；By the energization and power-off to coil 15, adhesive armature 4 can be made to realize with piston hanging ring past
Multiple movement；It can also be by the size of 15 electric current of control coil, to control the height of the air gap between adhesive armature 4 and top armature 13
Degree, to control the axial position of piston hanging ring.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of linear actuator of electromagnetic-permanent magnetic immixture, it is characterised in that: the electromagnetic-permanent magnetic immixture
Linear actuator includes hanging ring piston, small copper sheathing, outer cylinder end cap, adhesive armature, big copper sheathing, securing barrel, spring, screw, magnetic
Polar cap plate, magnetic pole supporting block, permanent magnet, magnetic pole backing plate, top armature, iron core, coil and pedestal；The pedestal is back cover
Cylinder tubular structure, shaft section in "" font, back cover disk and the pedestal positioned at lower end are coaxial, and around axis ring on back cover disk
Shape is evenly distributed with several through-holes, and the pedestal inside top face ring is evenly distributed with six square breach, pedestal cylinder outside around base axis
Face sets a positioning convex platform, and the positioning convex platform is the cyclic structure coaxial with pedestal；The shaft section of the outer cylinder end cap
For the cylinder tubular structure of " Jiong " font, the outer cylinder end cap is coated on outside pedestal and the threaded connection with pedestal, outer cylinder end
Lid constitutes closed cavity body structure after connecting with pedestal；The securing barrel be surrounded on the outside of pedestal and with pedestal and outer cylinder end
Lid is coaxial, and the positioning convex platform lateral surface of the securing barrel and pedestal is connected with each other by screw thread, and the iron core is coaxially pacified
It is connect in pedestal cylinder, and with back cover disk, the coil is coated on outside iron core and the winding of wound core axis, and coil
Outer surface and the inner surface of pedestal cylinder set air gap；The top armature is located in pedestal and connect simultaneously with iron core upper surface
It is coaxial with pedestal, uniformly distributed six of the upper surface outer rim of the top armature axially towards upper square breach radially outward,
And the square breach of top armature and the square breach of pedestal are coaxial and opposite, the two collectively forms six cross sections in rectangle
Locating slot, the magnetic pole backing plate are closed hoop structure, are coaxially placed in the bottom of locating slot, the permanent magnet quantity with
It is consistent to position slot number, and is all provided with a permanent magnet in each locating slot；The magnetic pole support number of blocks and permanent magnet quantity
Unanimously, each magnetic pole supporting block be embedded in respectively the upper surface of magnetic pole backing plate, the side of permanent magnet, top armature outer rim table
Face, pedestal cylinder inside diameter surface composed by gap, the permanent magnet, magnetic pole supporting block upper surface cover magnetic pole lid
Plate, the magnetic pole cover board are connect by screw with pedestal upper surface, and the outer cylinder end cap upper surface is equipped with and outer cylinder end cap
Coaxial piston hole, the small copper sheathing are coaxially fixedly installed in piston hole, and small copper sheathing outer fringe surface and piston hole interference
Cooperation, the hanging ring piston are slidably connected by small copper sheathing with piston hole, and the outer fringe surface of hanging ring piston is interior with small copper sheathing
Interporal lacuna cooperation；The lower end of hanging ring piston is located in outer cylinder end cap and is connected through a screw thread with adhesive armature, the actuation rank
Iron is located in outer cylinder end cap and coaxial with outer cylinder end cap, periphery outer rim of the big copper sheathing embedded in adhesive armature, the outer rim of big copper sheathing
The barrel internal surface gaps of surface and outer cylinder end cap cooperate；Assembly after hanging ring piston and adhesive armature are threadedly coupled can
Slide in the axial direction guiding movement；The spring is located at position between pedestal and outer cylinder end cap contact surface, is coaxially coated on
Pedestal outer surface, lower end surface and the positioning convex platform upper surface of the spring offset, the upper surface of the spring and adhesive armature
Lower end surface offset.
2. a kind of linear actuator of electromagnetic-permanent magnetic immixture according to claim 1, which is characterized in that the base
Seat, iron core, top armature, adhesive armature, screw are magnetic conductive metal material.
3. a kind of linear actuator of electromagnetic-permanent magnetic immixture according to claim 1, which is characterized in that the outer cylinder
End cap, securing barrel, hanging ring piston, spring, big copper sheathing, small copper sheathing are non-magnetic metal material, wherein big copper sheathing, small copper sheathing
Material be copper.
4. a kind of linear actuator of electromagnetic-permanent magnetic immixture according to claim 1, which is characterized in that the magnetic
Polar cushion plate, magnetic pole supporting block, magnetic pole cover board are non-magnetic nonmetallic materials.
5. according to a kind of linear actuator of electromagnetic-permanent magnetic immixture described in claim 1, which is characterized in that the permanent magnetism
Body lower end surface offsets with magnetic pole backing plate, and each permanent magnet pole is installed in the same direction, the both ends magnetic pole and top armature and pedestal of permanent magnet
Cylinder is in contact, and four permanent magnet, top armature, iron core, pedestal parts constitute a complete magnetic circuit.
6. according to a kind of linear actuator of electromagnetic-permanent magnetic immixture described in claim 1, which is characterized in that the coil
It is opposite with the magnetic direction of permanent magnet with the iron core magnetic direction generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742262.9U CN208272829U (en) | 2018-05-18 | 2018-05-18 | A kind of linear actuator of electromagnetic-permanent magnetic immixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742262.9U CN208272829U (en) | 2018-05-18 | 2018-05-18 | A kind of linear actuator of electromagnetic-permanent magnetic immixture |
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| Publication Number | Publication Date |
|---|---|
| CN208272829U true CN208272829U (en) | 2018-12-21 |
Family
ID=64681229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742262.9U Expired - Fee Related CN208272829U (en) | 2018-05-18 | 2018-05-18 | A kind of linear actuator of electromagnetic-permanent magnetic immixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019095A (en) * | 2020-07-09 | 2020-12-01 | 中国人民解放军海军工程大学 | Permanent magnet-electromagnetism hybrid suspension structure based on parallel magnetic circuit |
| CN113327757A (en) * | 2021-05-27 | 2021-08-31 | 安徽昊方机电股份有限公司 | Two-stage transmission coil assembly |
| CN114102083A (en) * | 2021-11-30 | 2022-03-01 | 广州市晟阳金属制品有限公司 | Automatic battery leaf spring assembling equipment |
-
2018
- 2018-05-18 CN CN201820742262.9U patent/CN208272829U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019095A (en) * | 2020-07-09 | 2020-12-01 | 中国人民解放军海军工程大学 | Permanent magnet-electromagnetism hybrid suspension structure based on parallel magnetic circuit |
| CN112019095B (en) * | 2020-07-09 | 2021-07-20 | 中国人民解放军海军工程大学 | Permanent magnet-electromagnetism hybrid suspension structure based on parallel magnetic circuit |
| CN113327757A (en) * | 2021-05-27 | 2021-08-31 | 安徽昊方机电股份有限公司 | Two-stage transmission coil assembly |
| CN113327757B (en) * | 2021-05-27 | 2023-01-24 | 安徽昊方机电股份有限公司 | Two-stage transmission coil assembly |
| CN114102083A (en) * | 2021-11-30 | 2022-03-01 | 广州市晟阳金属制品有限公司 | Automatic battery leaf spring assembling equipment |
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Granted publication date: 20181221 |