CN206951531U - Electromagnetic drive actuator and personal digital assistant device - Google Patents
Electromagnetic drive actuator and personal digital assistant device Download PDFInfo
- Publication number
- CN206951531U CN206951531U CN201590001124.XU CN201590001124U CN206951531U CN 206951531 U CN206951531 U CN 206951531U CN 201590001124 U CN201590001124 U CN 201590001124U CN 206951531 U CN206951531 U CN 206951531U
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- Prior art keywords
- magnet
- electromagnetic drive
- drive actuator
- movable piece
- overlay film
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- 238000007747 plating Methods 0.000 claims abstract description 33
- 239000007767 bonding agent Substances 0.000 claims abstract description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 150000007524 organic acids Chemical class 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- NAOLWIGVYRIGTP-UHFFFAOYSA-N 1,3,5-trihydroxyanthracene-9,10-dione Chemical compound C1=CC(O)=C2C(=O)C3=CC(O)=CC(O)=C3C(=O)C2=C1 NAOLWIGVYRIGTP-UHFFFAOYSA-N 0.000 claims description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/12—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
A kind of electromagnetic drive actuator and the personal digital assistant device with the electromagnetic drive actuator, using magnet as in the above-mentioned electromagnetic drive actuator of movable piece, when being engaged via bonding agent to magnet with other metallic objects, the uneven of adhesive strength can be eliminated, so as to produce the electromagnetic drive actuator of energy operating stably with high finished product rate.Including movable piece (2) and coil (3), movable piece (2) includes magnet (11, 12, 13), coil (3) is to magnet (11, 12, 13) driving force is applied, movable piece (2) includes and magnet (11, 12, 13) engagement and with magnet (11, 12, 13) metallic object (pouring weight (20)) integratedly acted, magnet (11, 12, 13) and metallic object (pouring weight (20)) both sides are plated overlay film covering, and formed with organic overlay film on plating film, magnet (11, 12, 13) it is engaged with each other with metallic object (pouring weight (20)) via the bonding agent being coated on organic overlay film.
Description
Technical field
A kind of electromagnetic drive actuator and the personal digital assistant device with the electromagnetic drive actuator are the utility model is related to,
The electromagnetic drive actuator includes the magnet for being bonded to metallic object.
Background technology
Electromagnetic drive actuator will by coil circulating current and the caused Lorentz masterpiece between magnet and coil
For driving force, it is known to the electromagnetic drive actuator that coil is fixed on into framework and acts it using magnet as movable piece.
Now, by making movable piece i.e. magnet and various structural elements integratedly act to form the actuator of various functions.
The vibrating motor (or oscillation actuator) that can be included as the one of electromagnetic drive actuator passes through communication equipment
Signal receive or the generation vibrations such as the warning message of various electronic equipments is sent, and by vibrating to the carrier of communication equipment
Or the operator of the various electronic equipments of contact passes on the situation that signal inputs, the vibrating motor is equipped on the shifting including mobile phone
The various electronic equipments such as dynamic information terminal.The movable piece that above-mentioned vibrating motor integratedly vibrates including magnet with pouring weight is (with reference under
State patent document 1).
In addition, another example as electromagnetic drive actuator, exists and is driven along optical axis direction or the direction intersected with optical axis
Lens frame, so as to carry out the lens driver of the focal adjustments of lens or vibration amendment.In said lens drive device, bag
Include the movable piece that magnet integratedly acts with lens frame (with reference to following patent documents 2).
Prior art literature
Patent document
Patent document 1：Japanese Patent Laid-Open 2014-176841 publications
Patent document 2：Japanese Patent Laid-Open 2012-113236 publications
Utility model content
Utility model technical problem to be solved
In the past, in electromagnetic drive actuator, it is contemplated that workability during assembling, and make the knot integratedly acted with magnet
Structure component integratedly engages via bonding agent with magnet.Now, in the case where said structure component is metallic object, it is contemplated that rotten
Erosion and plating is carried out to metallic object and magnet this two side before engagement, therefore, if the plating overlay film for being formed at surface is completed
After exist it is uneven etc., then can exist because its influence cause adhesive strength easily to produce the problem of uneven.
To solve the above problems as technical problem one of the utility model.That is, the purpose of this utility model is：To
Magnet is as in the electromagnetic drive actuator of movable piece, when being engaged via bonding agent to magnet with other metallic objects, energy
The uneven of adhesive strength is eliminated, so as to produce electromagnetic drive actuator of energy operating stably etc. with high finished product rate.
Technical scheme used by solution technical problem
To achieve these goals, the utility model includes following structure.
A kind of electromagnetic drive actuator, including movable piece and coil, above-mentioned movable piece include magnet, and above-mentioned coil is to above-mentioned
Magnet applies driving force, and above-mentioned movable piece includes the metallic object for engaging with above-mentioned magnet and integratedly being acted with the magnet, above-mentioned
Magnet and above-mentioned metallic object both sides are plated overlay film covering, and formed with organic overlay film on the plating film, above-mentioned magnet and upper
Metallic object is stated to be engaged with each other via the bonding agent being coated on organic overlay film.
Utility model effect
According to the utility model as characterized above, using magnet as in the electromagnetic drive actuator of movable piece,
When being engaged via bonding agent to magnet with other metallic objects, the uneven of adhesive strength can be eliminated, so as to high finished product
The electromagnetic drive actuator of rate production energy operating stably.
Brief description of the drawings
Fig. 1 is the one i.e. internal structure of vibrating motor of the electromagnetic drive actuator for showing the utility model embodiment
Stereogram.
Fig. 2 is the one i.e. internal structure of vibrating motor of the electromagnetic drive actuator for showing the utility model embodiment
Top view.
Fig. 3 is the one i.e. internal structure of vibrating motor of the electromagnetic drive actuator for showing the utility model embodiment
Exploded perspective view.
Fig. 4 is the one i.e. electronics of vibrating motor of the electromagnetic drive actuator for showing to include the utility model embodiment
The explanation figure of equipment (personal digital assistant device).
Embodiment
The electromagnetic drive actuator of the utility model embodiment includes movable piece and coil, and above-mentioned movable piece includes magnetic
Body, above-mentioned coil apply driving force to magnet.In addition, movable piece includes the gold for engaging with magnet and integratedly being acted with the magnet
Belong to body.In addition, magnet and metallic object both sides are plated overlay film covering, and formed with organic overlay film on the plating film, magnet and
Metallic object is engaged with each other via the bonding agent being coated on organic overlay film.
Neodymium magnet, alnico magnet, ferrimagnet and samarium-cobalt magnet (Japanese can be used in the magnet for forming movable piece：
サ マ リ ウ system U バ Le ト magnetites) etc..The metallic object engaged with magnet is various each according to the purposes of electromagnetic drive actuator
Sample, it can be used and make alloy of the alloy and tungsten of tungsten, iron, tungsten and iron and other metals etc. as sintered powder of material etc.
For the pouring weight of vibrating motor.
The plating film on the surface of covering magnet and metallic object is by plating or electroless plating (day before both engage
Text：No Electricity solutions メ ッ キ) overlay film that is formed, it can be selected from nickel plating, electroless nickel plating, zinc plating and chromium plating etc..This
Outside, this or copper plating, tin plating, golden plating, silver-colored plating, palladium plating and cobalt plating etc. are not limited to, in addition,
It can be alloy plating.
Formed organic overlay film on plating film can use for example make organic acid or mixed-acid dissolution containing organic acid in
Solvent and film for adhering to etc., organic acid now can select from aliphatic acid, saccharic acid, amino acid and carboxylic acid etc..In addition, have
As long as machine overlay film can be modified to the surface of plating film and improve the cementability of bonding agent, above-mentioned example is just not limited to.It can make
The bonding agent being coated on organic overlay film is used as by the use of epoxy resin bonding agent or silicone resin class bonding agent.In addition, do not limit
In this, it can be used crylic acid resin bonding agent, polyurethane type resin bonding agent and phenolic resin class bonding agent etc. are suitable will
All bonding agents that metal is bonded to each other.
According to electromagnetic drive actuator as characterized above, can be made with uniform adhesive strength invariably with magnet integratedly
The metallic object of action engages with magnet.Thereby, the electromagnetic drive actuator of energy operating stably can be manufactured with high finished product rate.
Hereinafter, one i.e. vibrating motor of the electromagnetic drive actuator of the utility model embodiment is carried out referring to the drawings
Explanation.As shown in Figure 1 to Figure 3, vibrating motor 1 includes movable piece 2, coil 3, framework 4, elastic component 5 and leading axle 6, makes
Movable piece 2 is point-blank of reciprocating vibration along a direction of principal axis (diagram X-direction) and produces vibration.
Movable piece 2 includes magnetic pole piece 10 and pouring weight 20.In the example in the figures, pouring weight 20 is arranged on the one of movable piece 2
Direction of principal axis (diagram X-direction) both sides, but this is not limited to, it can also be provided only on one side.Magnetic pole piece 10 include magnet 11,
12nd, 13 and yoke 14,15.Include three magnets 11,12,13 and two yokes 14,15 herein, but be not limited to this, such as also can
By two magnets and a yoke piece into magnetic pole piece 10.
Magnet 11,12,13 has the pole orientation along a direction of principal axis (diagram X-direction).In addition, yoke 14 is clipped in a pair
The same interpolar of magnet 11,12, yoke 15 are clipped in the same interpolar of a pair of magnets 12,13.Above-mentioned magnetic pole piece 10 is by the way that reinforcing plate 16 is consolidated
The side of the magnetic pole piece 10 is connected to, the connection of magnet 11,12,13 and yoke 14,15 can be strengthened.
Coil 3 (3A, 3B) surrounds the yoke 14,15 of magnetic pole piece 10 and configured.Herein, with two yokes 14,15 corresponding sides
Formula configuration coiling direction opposite two coils 3A, 3B, but in the case where yoke is one, can configure a coil.
Framework 4 includes the magnetic pole frame portion 30 kept to coil 3.The magnetic pole piece 10 1 of magnetic pole frame portion 30 and movable piece 2
Rise and form magnetic circuit, the magnetic circuit forms the magnetic flux of crosscutting coil 3.Thereby, by being circulated in the coil 3 for being fixed on magnetic pole frame portion 30
Electric current, the driving force along a direction of principal axis (diagram X-direction) can be applied to the magnetic pole piece 10 of movable piece 2.Set in framework 4
There is input terminal 18, the input terminal 18 is by drive signal input coil 3.
Magnetic pole frame portion 30 includes upper surface portion 31, lower face 32 and side surface part 33, to surround coil 3.In example illustrated
In, upper surface portion 31 and lower face 32 have the plane along X-axis and Z axis with the planar portions along X-axis and Y-axis, side surface part 33
Portion.
In addition, in the example in the figures, to be formed, internally collecting can by combining upper frame body 40 and lower frame body 41 for framework 4
The frame of moving part 2.Upper frame body 40 includes above-mentioned upper surface portion 31 and side surface part 33, and lower frame body 41 includes above-mentioned lower face 32, face wall
Portion 41A and side of sidewall portion 41B.
Leading axle 6 is that the vibration to the movable piece 2 along a direction of principal axis (diagram X-direction) in framework 4 guides
Shaft component.In the example in the figures, gravity axis of the leading axle 6 along movable piece 2 is configured to one end and is fixed in pouring weight 20, another
Hold to the protruding outside of pouring weight 20, leading axle 6A, 6B are separately installed with a pair of pouring weights 20.Leading axle 6 (6A, 6B) it is another
The supporting of bearing 17 that one side is arranged at framework 4 is to slide freely.Herein show the leading axle 6 for being fixed in pouring weight 20
Example, but leading axle 6 for example can be also made up of the axle that movable piece 2 is penetrated along X-direction.In this case, leading axle 6
Both ends be fixed on the positive wall portion 41A of framework 4.
Leading axle 6A, 6B of diagram are fixed in recess 20A, and recess 20A is formed at pouring weight 20 along X-direction.It is recessed
Portion 20A has the width of Y direction corresponding with the amount of the entrance of bearing 17, and with the amount pair of the amplitude with allowing movable piece 2
The depth for the X-direction answered.In addition, pouring weight 20 has engaging recessed part 20B with recess 20A opposite side, it is recessed in above-mentioned engaging
Being fixed in portion 20B has the magnet 11,13 of magnetic pole piece 10.
Elastic component 5 is configured in framework 4, and applies elastic force to movable piece 2, and the elastic force is revolted by being flowed in coil 3
Galvanization and the driving force for putting on magnetic pole piece 10.The elastic component 5 of diagram configures the direction of principal axis (X-direction) in pouring weight 20
Between end and the positive wall portion 41A of framework 4, and the compression spring structure by being compressed by the vibration of a direction of principal axis of movable piece 2
Into the elastic component 5 is configured with four in a manner of clipping leading axle 6A, 6B in the left and right sides.
In above-mentioned vibrating motor 1, movable piece 2 is in width (the diagram Y-axis orthogonal with a direction of principal axis (diagram X-direction)
The width in direction) pancake bigger than the thickness orthogonal with a direction of principal axis (diagram X-direction) (thickness of diagram Z-direction)
Shape.That is, magnetic pole piece 10 and pouring weight 20 are respectively in the width of the diagram Y-direction flat pattern bigger than the thickness for illustrating Z-direction.This
Outside, corresponding with the flat pattern of above-mentioned movable piece 2, the profile of framework 4 is also thicker than diagram Z-direction in the width of diagram Y-direction
Spend big flat pattern.In this way, by the way that movable piece 2 and framework 4 are formed into flat pattern, can obtain makes the thickness of Z-direction contract
The vibrating motor 1 of small thickness of thin.
The surface of magnet 11,12,13 and yoke 14,15 is plated overlay film (such as nickel plating) covering.In addition, the surface of pouring weight 20
Similarly plated overlay film (such as nickel plating) covering.
Magnet 11,12 and yoke 14, magnet 12,13 and yoke 15, the pouring weight 20 and magnet 13 of the side of magnet 11 and one and another
The pouring weight 20 of side engages via bonding agent respectively, as the pre-treatment of the engagement, is formed on the plating film of above-mentioned part organic
Overlay film.Organic overlay film is for example organic acid or mixed-acid dissolution solution obtained from solvent containing organic acid will to be made to pass through painting
Cloth, impregnating be adhered to magnet 11,12,13, formed on the plating film of yoke 14,15 and pouring weight 20.
In this way, after forming organic overlay film on magnet 11,12,13, the plating film of yoke 14,15 and pouring weight 20, via viscous
Connect the engagement that agent carries out above-mentioned part, thereby, being uniformly modified to plating film, so as to carry out adhesive strength
Uneven less engagement.Thereby, the vibrating motor 1 of the energy stable vibration of movable piece 2 can be obtained.
Fig. 4 shows that personal digital assistant device 100 is set as the electronics of the vibrating motor 1 including the utility model embodiment
Standby one.Movement with the vibrating motor 1 for obtaining stable vibration and the densification that slimming and width can be realized
Information terminal 100 can by be not likely to produce noise stabilization vibration come to user pass on communication function in signal receive or
The action of warning function etc. starts, the end time.In addition, pass through the slimming of vibrating motor 1, the densification of width, energy
Obtain the personal digital assistant device 100 for pursuing high portability or design.It is to house each several part to be additionally, since vibrating motor 1
Compact form in the framework 4 for the rectangular-shape for inhibiting thickness, therefore can be in the personal digital assistant device 100 of slimming
Portion is equipped with preferable space efficiency.
In addition, in the above-described embodiment, magnetic pole piece 10 has along a direction of principal axis (diagram X-direction) magnetized magnet
11st, 12,13, coil 3 surround magnetic pole piece 10 and configure but it is also possible to be：Magnetic pole piece surrounds coil and configured, but also can be with
It is：Magnetic pole piece have along the direction orthogonal with a direction of principal axis (such as, it is illustrated that Z-direction) magnetized magnet, coil is in magnetization side
Configured in opposite directions with magnetic pole piece upwards.
More than, embodiment of the present utility model is described in detail referring to the drawings, but specific structure is not limited to
In above-mentioned embodiment, in the range of the utility model purport is not departed from having carried out design alteration etc. is also contained in this reality
In new.
(symbol description)
1：Vibrating motor,
2：Movable piece,
3(3A、3B)：Coil,
4：Framework,
5：Elastic component,
6(6A、6B)：Leading axle,
10：Magnetic pole piece,
11、12、13：Magnet,
14、15：Yoke,
16：Reinforcing plate,
17：Bearing,
18：Input terminal,
20：Pouring weight,
20A：Recess,
20B：Engaging recessed part,
30：Magnetic pole frame portion,
31：Upper surface portion,
32：Lower face,
33：Side surface part,
40：Upper frame body,
41：Lower frame body,
41A：Positive wall portion,
41B：Side of sidewall portion,
100：Personal digital assistant device.
Claims (8)
- A kind of 1. electromagnetic drive actuator, it is characterised in thatThe electromagnetic drive actuator includes movable piece and coil, and the movable piece includes magnet, and the coil is to the magnet Apply driving force,The movable piece includes the metallic object for engaging with the magnet and integratedly being acted with the magnet,The magnet and the metallic object both sides are plated overlay film covering, and formed with organic overlay film on the plating film, it is described Magnet and the metallic object are engaged with each other via the bonding agent being coated on organic overlay film.
- 2. electromagnetic drive actuator as claimed in claim 1, it is characterised in thatThe plating film can select from nickel plating, electroless nickel plating, zinc plating and chromium plating.
- 3. electromagnetic drive actuator as claimed in claim 1 or 2, it is characterised in thatOrganic overlay film is the film for making organic acid or the mixed-acid dissolution containing organic acid be adhered in solvent.
- 4. electromagnetic drive actuator as claimed in claim 3, it is characterised in thatThe organic acid can select from aliphatic acid, saccharic acid, amino acid and carboxylic acid.
- 5. electromagnetic drive actuator as claimed in claim 1 or 2, it is characterised in thatThe bonding agent is epoxy resin bonding agent or silicone resin class bonding agent.
- 6. electromagnetic drive actuator as claimed in claim 1 or 2, it is characterised in thatThe metallic object is pouring weight, and the movable piece is the oscillator of vibration.
- A kind of 7. electromagnetic drive actuator, it is characterised in that including：Movable piece, the movable piece have the magnetic pole piece and pouring weight for including magnet；Coil, the coil surrounds the magnetic pole piece, and applies the driving force along a direction of principal axis to the movable piece；Framework, the framework are kept to the coil；Elastic component, the elastomeric member configuration apply the bullet for revolting the driving force to the movable piece in the framework Power；AndLeading axle, vibration of the leading axle to the movable piece along a direction of principal axis in the framework guide,The magnet and the pouring weight both sides are plated overlay film covering, and formed with organic overlay film, the magnetic on the plating film Body and the pouring weight are engaged with each other via the bonding agent being coated on organic overlay film.
- A kind of 8. personal digital assistant device, it is characterised in thatIncluding the electromagnetic drive actuator any one of claim 1 to 7.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014238219A JP2016097382A (en) | 2014-11-25 | 2014-11-25 | Electromagnetic drive actuator |
| JP2014-238219 | 2014-11-25 | ||
| PCT/JP2015/082955 WO2016084811A1 (en) | 2014-11-25 | 2015-11-24 | Electromagnetic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206951531U true CN206951531U (en) | 2018-02-02 |
Family
ID=56074364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590001124.XU Active CN206951531U (en) | 2014-11-25 | 2015-11-24 | Electromagnetic drive actuator and personal digital assistant device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2016097382A (en) |
| CN (1) | CN206951531U (en) |
| WO (1) | WO2016084811A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102100358B1 (en) * | 2016-09-28 | 2020-04-20 | 자화전자(주) | Vibration actuator |
| JP2018061942A (en) * | 2016-10-13 | 2018-04-19 | 日本電産コパル株式会社 | Linear vibration motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01286406A (en) * | 1988-05-13 | 1989-11-17 | Tdk Corp | Rare earth alloy magnet having protecting coating |
| JPH07107714A (en) * | 1993-10-05 | 1995-04-21 | Shinichi Nishimura | Structure and method for aligning |
| JP3176597B2 (en) * | 1998-09-10 | 2001-06-18 | 住友特殊金属株式会社 | Corrosion resistant permanent magnet and method for producing the same |
| JP5573663B2 (en) * | 2010-12-27 | 2014-08-20 | 日立金属株式会社 | Method for producing corrosion-resistant magnet |
| JP5888867B2 (en) * | 2011-03-31 | 2016-03-22 | 日本電産コパル株式会社 | Vibration actuator |
-
2014
- 2014-11-25 JP JP2014238219A patent/JP2016097382A/en active Pending
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2015
- 2015-11-24 WO PCT/JP2015/082955 patent/WO2016084811A1/en active Application Filing
- 2015-11-24 CN CN201590001124.XU patent/CN206951531U/en active Active
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| Publication number | Publication date |
|---|---|
| JP2016097382A (en) | 2016-05-30 |
| WO2016084811A1 (en) | 2016-06-02 |
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