CN208623523U - Vibrating motor and haptic apparatus - Google Patents
Vibrating motor and haptic apparatus Download PDFInfo
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- CN208623523U CN208623523U CN201820809974.8U CN201820809974U CN208623523U CN 208623523 U CN208623523 U CN 208623523U CN 201820809974 U CN201820809974 U CN 201820809974U CN 208623523 U CN208623523 U CN 208623523U
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- damper
- top plate
- vibrating motor
- plate portion
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model provides a kind of vibrating motor and haptic apparatus, its damper section (9) for having the solid-like that upside is configured at relative to vibrating body (7), cabinet (C1) has the top plate portion (21) positioned at the upside of damper section (9), damper section (9) is fixed on a side of the upper surface of vibrating body (7) and the lower surface of above-mentioned top plate portion (21), damper section (9) contact vibration body (7) and top plate portion (21) both sides under vibrating body (7) off working state.
Description
Technical field
The utility model relates to vibrating motor and haptic apparatus.
Background technique
Currently, having vibrating motor in the various equipment such as smart phone.Vibrating motor, which has, transversely carries out linear vibration
Type and carry out the type of linear vibration along longitudinal direction.For the people as user, compared to lateral vibration, it is easier to feel
To longitudinal vibration.Patent document 1 discloses an example of the vibrating motor of existing longitudinal linear oscillating mode.
The vibrating motor of patent document 1 has stator and vibrating body.Stator has shell and bracket.Vibrating body has counterweight
And magnet.Magnetic fluid is configured in the lower surface of magnet.Magnetic fluid is opposed with bracket.
Magnetic fluid generates abrasion etc. because of collision for vibrating body when vibrating body being inhibited to drive and bracket.
Present technical literature
Patent document
Patent document 1: U.S. Patent Application Publication No. 2013/0033126
However, magnetic fluid is used in above patent document 1, but magnetic fluid is not easy to apply and be held in magnet
Desired locations.Therefore, the assembling of vibrating motor is bad.In addition, magnetic fluid and bracket separation, therefore fallen in vibrating motor
When lower etc., vibrating body movement, the part such as counterweight of vibrating body is easy contact bracket.The durability of vibrating motor reduces as a result,.
Utility model content
In view of the above situation, the purpose of this utility model is to provide the vibration horses that can be improved assembling and durability
It reaches.
In one embodiment of the illustration of the utility model,
Scheme 1 is a kind of vibrating motor, which is characterized in that is had:
Stationary part with cabinet and coil；
Comprising magnet, and it is supported for the vibrating body that can be vibrated along the vertical direction relative to above-mentioned stationary part；
The elastomeric element being configured between above-mentioned cabinet and the lower surface of above-mentioned vibrating body；And
The damper section of the solid-like of upside is configured at relative to above-mentioned vibrating body,
Above-mentioned cabinet has the top plate portion positioned at the upside of above-mentioned damper section,
Above-mentioned damper section is fixed on a side of the upper surface of above-mentioned vibrating body and the lower surface of above-mentioned top plate portion,
Above-mentioned damper section contacts above-mentioned vibrating body and above-mentioned top plate portion both sides under above-mentioned vibrating body off working state.
Scheme 2 is vibrating motor according to scheme 1, which is characterized in that
Above-mentioned damper section is at least constituted using foamed polyurethane as material.
Scheme 3 is the vibrating motor according to scheme 1 or 2, which is characterized in that
Above-mentioned vibrating body has the counterweight in the outside for being configured at above-mentioned magnet,
Above-mentioned damper section is contacted under above-mentioned off working state under the upper surface and above-mentioned top plate portion of above-mentioned counterweight
Surface both sides,
Under above-mentioned off working state, between being equipped between the lower surface of above-mentioned damper section and the upper surface of above-mentioned magnet
Gap,
Above-mentioned damper section is fixed on the lower surface of above-mentioned top plate portion.
Scheme 4 is vibrating motor according to scheme 3, which is characterized in that
Shape in the up and down direction vertical view of above-mentioned damper section and the shape in the up and down direction vertical view of above-mentioned top plate portion
It is substantially uniform.
Scheme 5 is vibrating motor according to scheme 4, which is characterized in that
The outer rim of above-mentioned damper section has gap between the outer rim of the lower surface of above-mentioned top plate portion.
Scheme 6 is the vibrating motor according to scheme 5, which is characterized in that
The thickness of above-mentioned damper section under above-mentioned off working state is than upper in the state that above-mentioned damper section is not configured
The gap stated between counterweight and above-mentioned top plate portion is big.
Scheme 7 is the vibrating motor according to scheme 1 or 2, which is characterized in that
Above-mentioned vibrating body has the counterweight in the outside for being configured at above-mentioned magnet,
Above-mentioned damper section includes the upper surface that above-mentioned counterweight is contacted under above-mentioned off working state and above-mentioned top plate portion
Lower surface both sides the first damper；And the upper surface and above-mentioned first of above-mentioned magnet is contacted under above-mentioned off working state
The second damper of the lower surface both sides of damper.
Scheme 8 is vibrating motor according to scheme 7, which is characterized in that
Above-mentioned first damper is fixed on the upper surface of above-mentioned counterweight,
Above-mentioned second damper is fixed on the upper surface of above-mentioned magnet.
Scheme 9 is the vibrating motor according to scheme 1 or 2, which is characterized in that
It is cricoid counterweight that above-mentioned vibrating body, which has in the up and down direction vertical view for surround above-mentioned magnet,
It is cricoid third damper that above-mentioned damper section, which at least has in vertical view in above-below direction,
Above-mentioned third damper contacted under above-mentioned off working state above-mentioned counterweight upper surface and above-mentioned top plate portion
Lower surface both sides,
In above-below direction overlook in, above-mentioned third damper only with the above-mentioned counterweight in above-mentioned counterweight and above-mentioned magnet
Overlapping,
Above-mentioned third damper is fixed on the upper surface of above-mentioned counterweight.
Scheme 10 is vibrating motor according to scheme 9, which is characterized in that
Above-mentioned damper section also has the 4th damper being configured on the inside of the through hole of above-mentioned third damper,
Above-mentioned 4th damper is contacted under above-mentioned off working state under the upper surface and above-mentioned top plate portion of above-mentioned magnet
Surface both sides.
Scheme 11 is vibrating motor according to scheme 10, which is characterized in that
Above-mentioned 4th damper is fixed on the upper surface of above-mentioned magnet.
Scheme 12 is a kind of haptic apparatus, which is characterized in that
With vibrating motor described in scheme 1 or 2.
According to the vibrating motor of the utility model of illustration, assembling and durability can be improved.
Referring to attached drawing and by below to the detailed description of preferred embodiment, the utility model above-mentioned and other
Element, feature, step, features and advantages will become apparent.
Detailed description of the invention
Fig. 1 is the perspective view for indicating the appearance of the vibrating motor of first embodiment of the utility model.
Fig. 2 is the cross-sectional perspective view after being cut off in Fig. 1 with line A-A.
Fig. 3 is the cross-sectional view after being cut off in Fig. 1 with line A-A.
Fig. 4 is to cut off the partial sectional perspective after vibrating motor from below.
Fig. 5 is the longitudinal section view of the vibrating motor of the second embodiment of the utility model.
Fig. 6 is the longitudinal section view of the vibrating motor of the third embodiment of the utility model.
Fig. 7 is the longitudinal section view of the vibrating motor of the 4th embodiment of the utility model.
Fig. 8 is the skeleton diagram for indicating the haptic apparatus of an embodiment of the utility model.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the illustrative embodiment of the utility model.In addition, by vibrating motor
Central axis J extend direction be set as " up and down direction ", for example, Fig. 2 paper on the upside of become up and down direction upside.In addition,
Radial direction centered on central axis J is referred to as " radial direction ", the circumferential direction centered on central axis J is referred to as " circumferential direction ".In addition,
Positional relationship, direction when above-mentioned " up and down direction " does not indicate actual load facility.
1. first embodiment > of <
Fig. 1 is the perspective view of the appearance of the vibrating motor 15 for the first embodiment for indicating the utility model.
Fig. 2 is the cross-sectional perspective view after being cut off in Fig. 1 with line A-A.Fig. 3 is cuing open after being cut off in Fig. 1 with line A-A
View.
Vibrating motor 15, which is roughly divided into, has stationary part 10, vibrating body 7, elastomeric element 8 and damper section 9.Stationary part
10 have cabinet C1, FPC (flexible printed board) 3, coil 4, the first yoke portion 5 and the second yoke portion 6.
Cabinet C1 has pedestal plate 1 and shell 2.Pedestal plate 1 is, for example, the plate-shaped member being made of cold-rolled steel sheet.Pedestal
Plate 1 is vertically extended relative to central axis J.
Shell 2 is the cover member for the cylindrical shape for having top plate portion 21 in upper end.That is, shell 2 has opening portion 22 in lower end.Shell
2 are for example made of SUS material.Pedestal plate 1 has the second of substantially disk-shaped first abutment portion 11 and substantially rectangular plate
Abutment portion 12, and there is the structure of connection the first abutment portion 11 and the second abutment portion 12.By the way that the insertion of the first abutment portion 11 is opened
Oral area 22, hence for pedestal plate 1 from top mounting shell 2, shell 2 is solid by welding or hot adhesion relative to pedestal plate 1
It is fixed.Second abutment portion 12 is configured at the outside of shell 2.
FPC3 is the substrate with the wiring for supplying electric current to coil 4.FPC3 by stacking base membrane layer, wiring layer with
And protective layer and constitute.Base membrane layer is for example made of polyimides, and has flexible and insulating properties.Wiring layer is for example by copper foil structure
At, and be configured on base membrane layer.Protective layer is for example made of polyimides, has insulating properties, and be configured on wiring layer.Wiring
The position of the progress and external conducting of layer does not configure protective layer, which exposes upwards.FPC3 passes through bonding or adhesive film
And it is fixed on pedestal plate 1.
FPC3 has the second substrate portion 32 in substantially disk-shaped first substrate portion 31 and substantially rectangular plate, and has and connect
Connect the structure in first substrate portion 31 and the second substrate portion 32.First substrate portion 31 is configured in the first abutment portion 11.First substrate
There are two welding disk 31A for the tool of portion 31.Welding disk 31A structure in such a way that the radial outside in coil 4 circumferentially extends in circular arc
At, and expose upwards.In the lead-out wire that welding disk 31A is drawn by the electrical connection such as solder from coil 4.The second substrate portion 32
It is configured in the second abutment portion 12.The second substrate portion 32 has the two portion of terminal 32A exposed upwards.Portion of terminal 32A's is every
One be connected to by wiring layer welding disk 31A each.Thereby, it is possible to by applying voltage externally to portion of terminal 32A
And electric current is supplied to coil 4.
First yoke portion (center yoke) 5 is whole in the column vertically extended, and has base portion 51 and protruding portion 52.The
One yoke portion is for example made of Cutting Steel, and has magnetism.Base portion 51 be vertically extend it is cylindric.Protruding portion 52 be from
Base portion 51 is outstanding cylindric downwards.The diameter of protruding portion 52 is smaller than the diameter of base portion 51.
First abutment portion 11 has the fixed part 111 outstanding upwards centered on central axis J.Fixed part 111 has edge
The through hole 111A of up and down direction perforation.Base portion 51 is placed in fixed part and by the insertion through hole 111A of protruding portion 52
On 111, so that fixed part 111 is fixed in the first yoke portion 5.The pressure that the fixation in the first yoke portion 5 passes through the position of insertion protruding portion 52
Enter or rivets to carry out.
Coil 4 for example by winding the coil line being made of hot adhesion polyurethane copper wire around central axis J along the vertical direction
And it constitutes.The radial outside of the lower part insertion fixed part 111 of coil 4.The lower end surface of coil 4 passes through Nian Jie with first substrate portion 31
Or adhesive film is fixed.Coil 4 is configured at the radial outside in the first yoke portion 5.The up and down direction position of the upper surface of coil 4 and base portion
51 upper surface is consistent.That is, each upper surface of coil 4 and base portion 51 constitutes same plane.
Second yoke portion (back yoke) 6 is for example made of cold-rolled steel sheet, and has magnetism.Second yoke portion 6 has bottom 61 and wall
Portion 62.Bottom 61 is substantially disk-shaped with thickness in the up-down direction, and is configured at each upper end by coil 4 and base portion 51
On the same plane that face is constituted.The diameter of bottom 61 is bigger than the outer diameter of coil 4.That is, bottom 61 is extended to centered on central axis J
The radial outside of coil 4.
Wall portion 62 is from the outer rim of bottom 61 cylindrical shape outstanding downwards.That is, the inner peripheral surface of wall portion 62 is located at coil 4
The radial outside of outer peripheral surface, and it is opposed radially with the outer peripheral surface.The lower surface of bottom 61 is solid by bonding or adhesive film
Due to the upper surface of base portion 51, so that the first yoke portion 5 is fixed in the second yoke portion 6.In addition, not circulating in the shape of coil 4 in electric current
Under state, in the up-down direction, the center of aftermentioned magnet 71 is Chong Die with wall portion 62.As a result, compared to magnet 71 in the up-down direction
The structure that is not overlapped with wall portion 62 of center, can make the vibratory output of vibrating body 7 fast from zero when being initially supplied electric current to coil 4
Speed is promoted to peak value.In other words, it can be improved the responsiveness when movement beginning of vibrating motor 15.
Vibrating body 7 has magnet 71, counterweight 72 and pole piece 73.Magnet 71 is for example made of sintering neodium magnet, and is
Overlooking has circular substantially cylindrical shape.Counterweight 72 is for example made of tungsten alloy, and is when overlooking with circular
Substantially cylindrical shape.Magnet 71 is configured at the radially inner side of counterweight 72.The outer peripheral surface of magnet 71 and the inner peripheral surface of counterweight 72
It is fixed by bonding or adhesive film.Pole piece 73 is for example made of SUS material, and to have magnetic annulus plate-shaped member.Pole piece
73 are configured at the downside of magnet 71, are fixed with the lower surface of magnet 71 by Nian Jie or adhesive film.
Elastomeric element 8 is, for example, the plate spring component being made of SUS material.Here, the structure in order to indicate elastomeric element 8,
Fig. 4 indicates to cut off the partial sectional perspective after vibrating motor 15 from below.Elastomeric element 8 have first lap portion 81, be located at than
Three interconnecting pieces 83 in the second circle portion 82 on the lower, first lap portion 81 and connection first lap portion 81 and the second circle portion 82.In circle
Three positions that the outer rim in cricoid first lap portion 81 circumferentially configures at equal intervals are respectively by towards radial outside and along week
The inner edge in the second circle portion 82 is connected to the interconnecting piece 83 of extension.Through this structure, elastomeric element 8 can be stretched along the vertical direction
Contracting.
Elastomeric element 8 is configured between vibrating body 7 and the first abutment portion 11.Radially inner side layout line in first lap portion 81
Circle 4.The lower surface in the second circle portion 82 is fixed on the upper surface of the first abutment portion 11 by welding or hot adhesion, thus elastic portion
Part 8 is fixed on pedestal plate 1.The upper surface in first lap portion 81 is fixed on the lower surface of pole piece 73 by welding or hot adhesion,
To which elastomeric element 8 is fixed on vibrating body 7.
Vibrating body 7 can be vibrated along the vertical direction by the support of elastomeric element 8 as a result,.The inner peripheral surface of magnet 71 is located at than the
The outer peripheral surface in two yoke portions 6 leans on radial outside, and opposed radially with the outer peripheral surface.
Damper section 9 is columned component, the solid-like being for example, made of foamed polyurethane.Damper section 9 is for example
It is shaped by being punched using punching press to board-like material.Damper section 9 is configured to be balanced hammer 72 and top plate portion 21 in upper and lower
It clips upwards.The lower surface of damper section 9 upper surface of contact equilibrium hammer 72 and top plate portion 21 under 7 off working state of vibrating body
Both sides.In addition, off working state refers to that electric current does not circulate in coil 4, do not generate based on the magnetic field generated by coil 4 to vibration
The state for the power that body 7 applies.That is, the state that vibrating body 7 is failure to actuate.
By supplying electric current to coil 4, to generate by being made of coil 4, the first yoke portion 5 and the second yoke portion 6
The magnetic flux of magnetic circuit.It is the interaction of the magnetic flux of magnetic circuit by the magnetic flux of generation and with magnet 71 and pole piece 73, vibrating body 7 is along upper
Lower direction vibration.Therefore, vibrating motor 15 becomes the vibrating motor of longitudinal linear oscillating mode.
Especially, by constituting the second yoke portion 6 by above-mentioned bottom 61 and wall portion 62, so as to shorten the second yoke portion 6
With the radial distance of magnet 71, and its shorter part can be increased in the up-down direction, therefore can be improved vibration horse
Up to 15 power.At this point, no need to increase the thickness of bottom 61, therefore the size for being able to suppress the up and down direction of vibrating motor 15 becomes
Greatly.In addition, without shorten coil 4 up and down direction length, therefore be able to suppress the number of turns reduce and attraction (reactance torque)
It reduces.
In addition, yoke cannot be manufactured by cheap punch process in the case where the thickness of yoke is thicker, and use cutting portion
Part, thus it is at high cost.In contrast, if the second yoke portion 6 of present embodiment, then no need to increase thickness, therefore are able to use
Cheap punch process.
Here, being described in more detail to feature relevant to damper section 9.Counterweight 72 has located on the outer side
Peripheral part 721 and inner peripheral portion 722 positioned at inner circumferential side.The thickness of 722 up and down direction of inner peripheral portion is thinner than peripheral part 721.In inner circumferential
The outer peripheral surface of the inner wall fixed magnet 71 in portion 722.The upper surface of inner peripheral portion 722 be located at than peripheral part 721 upper surface on the lower.
Therefore, step is formed in the upper surface of counterweight 72.Moreover, the upper surface of magnet 71 be located at the upper surface of inner peripheral portion 722 with
Between the upper surface of peripheral part 721.That is, between the upper surface of peripheral part 721 and the upper surface of magnet 71, in the up-down direction
Form gap.In addition, the position of the upper surface of magnet 71 can also be with the position consistency of the upper surface of inner peripheral portion 722.It is vibrating
Under the off working state of body 7, the upper surface of the following table face contact peripheral part 721 of columned damper section 9, damper section 9
The lower surface of upper surface contact top plate portion 21.In this state, it is formed up and down between the lower surface of damper section 9 and magnet 71
The gap in direction.
Moreover, the upper surface of damper section 9 is fixed with the lower surface of top plate portion 21 by Nian Jie or adhesive film.The situation
Under, the lower surface of damper section 9 and the upper surface of peripheral part 721 are not fixed.In addition it is also possible to by the lower surface of damper section 9
It is fixed with the upper surface of peripheral part 721 by Nian Jie or adhesive film.In this case, the upper surface of damper section 9 and top plate portion 21
Below be not fixed.
That is, the vibrating motor 15 of present embodiment has: the stationary part 10 with cabinet C1 and coil 4；Include magnet 71
And it is supported for the vibrating body 7 that can be vibrated along the vertical direction relative to stationary part 10；It is configured under cabinet C1 and vibrating body 7
Elastomeric element 8 between surface；And the damper section 9 of the solid-like of upside is configured at relative to vibrating body 7.Cabinet C1 has
Top plate portion 21 positioned at the upside of damper section 9.Damper section 9 is fixed on the upper surface of vibrating body 7 and the following table of top plate portion 21
One side in face.21 both sides of contact vibration body 7 and top plate portion under 7 off working state of vibrating body of damper section 9.
According to this structure, damper section 9 is solid-like, therefore there is no be difficult to apply and protect as magnetic fluid
The installation of the case where being held in desired locations, damper section 9 becomes easy.In addition, damper section 9 is in 7 off working state of vibrating body
Lower contact vibration body 7 and 21 both sides of top plate portion, therefore even if when falling etc., to vibrating motor 15 generate impact in the case where,
Vibrating body 7 is also difficult to move, and is able to suppress vibrating body 7 and contacts top plate portion 21 etc..Thereby, it is possible to improve the durable of vibrating motor 7
Property.That is, can be realized the vibrating motor 15 for improving assembling and durability.
In addition, damper section 9 is for example only constituted using foamed polyurethane as material.The poly- ammonia of foam is used by material
Ester, so that the density of damper section 9 becomes 104kg/m3Left and right, it is relatively lighter.Therefore, when vibrating motor 15 is fallen etc., due to
Damper section 9 is flattened, therefore vibrating body 7 is displaced, and when foamed polyurethane is compressed, density is got higher, therefore plays inhibition vibration
The effect that kinetoplast 7 is displaced.Foamed polyurethane is flattened, so that resistance is gradually increased, therefore impact becomes smaller.In addition, damper section 9
Be not limited to above structure, for example, it is also possible to a part constituted by material of foamed polyurethane, another part using rubber as material and
It constitutes.That is, damper section 9 is at least constituted by material of foamed polyurethane.
In addition, vibrating body 7 has the counterweight 72 in the outside for being configured at magnet 71.Damper section 9 is in above-mentioned inoperative shape
The lower surface both sides of the upper surface of contact equilibrium hammer 72 and top plate portion 21 under state, under above-mentioned off working state, in damper section 9
Lower surface and magnet 71 upper surface between be equipped with gap, damper section 9 is fixed on the lower surface of top plate portion 21.In order to make to hinder
Buddhist nun's device portion 9 is not vibrated because of the gap between the lower surface of damper section 9 and the upper surface of magnet 71, and preferably damper section 9 is solid
Due to 21 side of top plate portion rather than counterweight 72.
In addition, the damper section 9 of cylindrical shape overlook in above-below direction in be round.The up and down direction of top plate portion 21 is overlooked
In shape be also round.That is, damper section 9 up and down direction overlook in shape and top plate portion 21 up and down direction overlook in
Shape it is substantially uniform.Thereby, it is possible to simplify the forming of damper section 9.
In addition, the circular outer fringe position that the circular outer fringe position of damper section 9 is the lower surface than top plate portion 21 leans on
Radially inner side.That is, the outer rim of damper section 9 has gap between the outer rim of the lower surface of top plate portion 21.Thereby, it is possible to mention
Installation when height fixes from damper section 9 to top plate portion 21.
In addition, between the upper surface of the peripheral part 721 in the state that damper section 9 is not configured and the lower surface of top plate portion 21
The distance of up and down direction be for example set as 0.8mm, the up and down direction of the damper section 9 configured under 7 off working state of vibrating body
Thickness is for example set as 1.1mm.That is, state of the thickness of the damper section 9 under above-mentioned off working state than damper section 9 is not configured
Under counterweight 72 and top plate portion 21 between gap it is big.As a result, by configuring damper section 9, can elasticity of compression component 8,
Make the steadily contact damping device portion 9 of vibrating body 7 by elastic force.
2. second embodiment > of <
Next, the second embodiment to the utility model describes.Fig. 5 is the vibrating motor of second embodiment
Longitudinal section view, correspond to the figure of Fig. 3 of first embodiment.151 phase of vibrating motor of second embodiment shown in fig. 5
It is the structure of damper section 91 for the difference in the structure of first embodiment.
In the present embodiment, damper section 91 has the first damper 911 and the second damper 912.First damper
911 be structure identical with the damper section 9 of first embodiment.That is, columned first damper 911 is non-in vibrating body 7
The upper surface for the peripheral part 721 that contact equilibrium hammer 72 is included under working condition and the lower surface both sides of top plate portion 21.
Second damper 912 is for example made of the material of solid-like identical with the first damper 911, such as is gathered by foam
Urethane is constituted.Second damper 912 is configured to disk-shaped, and its diameter is smaller than the diameter of the first damper 911.In vibrating body 7
Under off working state, the second damper 912 contacts the upper surface of magnet 71 and the lower surface both sides of the first damper 911.
That is, vibrating body 7 has the counterweight 72 in the outside for being configured at magnet 71 in present embodiment, damper section 91 has
Have: the first damper of the lower surface both sides of the upper surface and top plate portion 21 of contact equilibrium hammer 72 under above-mentioned off working state
911；And the second of the upper surface of magnet 71 and the lower surface both sides of the first damper 911 is contacted under above-mentioned off working state
Damper 912.
Thereby, it is possible to play effect same as the first embodiment, and other than the first damper, second is also used
Damper, therefore can be improved the attenuating of vibrating body.
In addition, the lower surface of the first damper 911 is solid by bonding or adhesive film relative to the upper surface of peripheral part 721
Fixed, the upper surface of the first damper 911 is not secured to the lower surface of top plate portion 21.The lower surface of second damper 912 relative to
The upper surface of magnet 71 is fixed by bonding or adhesive film.The following table of the upper surface of second damper 912 and the first damper 911
Face can be fixed or be not fixed.
That is, in the present embodiment, the upper surface that preferably the first damper 911 is fixed on counterweight 72, the second damper
912 are fixed on the upper surface of magnet 71.Thereby, it is possible to improve installation when the first damper and the second damper are fixed.
In addition, other fixing means also can be used in itself, for example, it may be, the first damper 911 is fixed on top plate portion 21, and second
Damper 912 is fixed on magnet 71.
3. third embodiment > of <
Next, the third embodiment to the utility model describes.Fig. 6 is the vibrating motor of third embodiment
Longitudinal section view, correspond to the figure of Fig. 3 of first embodiment.152 phase of vibrating motor of third embodiment shown in fig. 6
It is the structure of damper section for the difference in the structure of first embodiment.
In the present embodiment, third damper 92 is used as damper section.Third damper 92 is in above-below direction
Cylindrical shape annular in shape in vertical view, for example, being made of foamed polyurethane.Under the off working state of vibrating body 7, third damping
The upper surface of the following table face contact peripheral part 721 of device 92, the lower surface of the upper surface contact top plate portion 21 of third damper 92.?
During up and down direction is overlooked, third damper 92 is only Chong Die with the counterweight 72 in counterweight 72 and magnet 71.That is, third damper
92 is be overlapped with magnet 71.In addition, the lower surface of third damper 92 by bonding or is sticked relative to the upper surface of peripheral part 721
Piece is closed to fix.The upper surface of third damper 92 is not secured to the lower surface of top plate portion 21.
That is, in the present embodiment, it is cricoid balance that vibrating body 7, which has in the vertical view in above-below direction for surrounding magnet 71,
Hammer 72, it is cricoid third damper 92 that damper section, which at least has in vertical view in above-below direction, and third damper 92 is above-mentioned
The lower surface both sides of the upper surface of contact equilibrium hammer 72 and top plate portion 21 under off working state, third damper 92 is in above-below direction
Only Chong Die with the counterweight 72 in counterweight 72 and magnet 71 in vertical view, third damper 92 is fixed on the upper table of counterweight 72
Face.
Thereby, it is possible to play effect same as the first embodiment, also, third damper will not be because upper with magnet
Gap between surface and vibrate, therefore third damper can be fixed on to counterweight side.Therefore, it can be improved fixed third
Installation when damper.
The 4th embodiment > of < 4.
Next, the 4th embodiment to the utility model describes.Fig. 7 is the vibrating motor of the 4th embodiment
Longitudinal section view, correspond to the figure of Fig. 6 of third embodiment.153 phase of vibrating motor of 4th embodiment shown in Fig. 7
It is the structure of damper section for the difference in the structure of third embodiment.
In the present embodiment, other than damper section third damper 92 described in the third embodiment, also have the
Four dampers 93.4th damper section 93 be it is cylindric, be made of the material of solid-like for example identical with third damper 92,
Such as it is made of foamed polyurethane.Third damper 92 has the through hole 92A vertically extended.4th damper 93 is matched
It is placed on the inside of through hole 92A.Under the off working state of vibrating body 7, the following table face contact magnet 71 of the 4th damper 93 it is upper
Surface, the lower surface of the upper surface contact top plate portion 21 of the 4th damper 93.
That is, in the present embodiment, damper section also has on the inside of the through hole 92A for being configured at third damper 92
Four dampers 93, the 4th damper 93 contact the upper surface of magnet 71 and the lower surface of top plate portion 21 under above-mentioned off working state
Both sides.As a result, other than third damper 92, the 4th damper 93 is also used, so can be improved the attenuating of vibrating body.
In addition, in the present embodiment, the lower surface of the 4th damper 93 passes through bonding relative to the upper surface of magnet 71
Or adhesive film is fixed, the upper surface of the 4th damper 93 is not secured to the lower surface of top plate portion 21.That is, it is preferred that the 4th damper 93
It is fixed on the upper surface of magnet 71.Installation when four dampers 93 is fixed thereby, it is possible to improve.
< 5. is about haptic apparatus >
As shown in figure 8, vibrating motor 15 is equipped on haptic apparatus 200.In addition, in haptic apparatus 200 in addition to vibrating motor
Outside 15, above-mentioned vibrating motor 151~153 can also be carried.Haptic apparatus 200 touches operation by the vibration of vibrating motor 15
The people for feeling equipment 200 assigns the stimulation in tactile.As haptic apparatus 200, such as can be using including smart phone
Mobile phone, tablet computer, game machine and wearable terminal.
The haptic apparatus 200 of present embodiment has vibrating motor 15, the substrate 110 for installing vibrating motor 15 and control
Portion 120.Vibrating motor 15 is connected relative to 110 electrically and mechanically of substrate.Control unit 120 is via substrate 110 to vibrating motor
15 output driving currents.Vibrating motor 15 is vibrated according to the driving signal from control unit 120.Haptic apparatus 200 passes through vibration
The vibration of motor 15 and vibrate, with to operation haptic apparatus 200 people assign tactile on stimulation.
The other > of < 6.
More than, the embodiments of the present invention is illustrated, as long as but the model of the purport in the utility model
In enclosing, embodiment is just able to carry out various changes.
For example, each damper section in the above-mentioned first~the four embodiment is configured to match throughout circumferential complete cycle
It sets, but can also be made of multiple dampers that interval in the circumferential configures.In this case, it is preferred that multiple dampers exist
For at equal intervals in circumferential direction.
The utility model can be used in the vibrating motor such as being provided to smart phone, wearable device.
Claims (11)
1. a kind of vibrating motor, which is characterized in that have:
Stationary part with cabinet and coil；
Comprising magnet, and it is supported for the vibrating body that can be vibrated along the vertical direction relative to above-mentioned stationary part；
The elastomeric element being configured between above-mentioned cabinet and the lower surface of above-mentioned vibrating body；And
The damper section of the solid-like of upside is configured at relative to above-mentioned vibrating body,
Above-mentioned cabinet has the top plate portion positioned at the upside of above-mentioned damper section,
Above-mentioned damper section is fixed on a side of the upper surface of above-mentioned vibrating body and the lower surface of above-mentioned top plate portion,
Above-mentioned damper section contacts above-mentioned vibrating body and above-mentioned top plate portion both sides under above-mentioned vibrating body off working state.
2. vibrating motor according to claim 1, which is characterized in that
Above-mentioned vibrating body has the counterweight in the outside for being configured at above-mentioned magnet,
Above-mentioned damper section contacts the upper surface of above-mentioned counterweight and the lower surface of above-mentioned top plate portion under above-mentioned off working state
Both sides,
Under above-mentioned off working state, gap is equipped between the lower surface of above-mentioned damper section and the upper surface of above-mentioned magnet,
Above-mentioned damper section is fixed on the lower surface of above-mentioned top plate portion.
3. vibrating motor according to claim 2, which is characterized in that
Shape in the up and down direction vertical view of above-mentioned damper section and the shape in the up and down direction vertical view of above-mentioned top plate portion are substantially
Unanimously.
4. vibrating motor according to claim 3, which is characterized in that
The outer rim of above-mentioned damper section has gap between the outer rim of the lower surface of above-mentioned top plate portion.
5. vibrating motor according to claim 4, which is characterized in that
The thickness of above-mentioned damper section under above-mentioned off working state is than above-mentioned flat in the state that above-mentioned damper section is not configured
Gap between weighing apparatus hammer and above-mentioned top plate portion is big.
6. vibrating motor according to claim 1, which is characterized in that
Above-mentioned vibrating body has the counterweight in the outside for being configured at above-mentioned magnet,
Above-mentioned damper section includes under the upper surface for contacting above-mentioned counterweight under above-mentioned off working state and above-mentioned top plate portion
The first damper of surface both sides；And the upper surface of above-mentioned magnet and above-mentioned first is contacted under above-mentioned off working state and is damped
The second damper of the lower surface both sides of device.
7. vibrating motor according to claim 6, which is characterized in that
Above-mentioned first damper is fixed on the upper surface of above-mentioned counterweight,
Above-mentioned second damper is fixed on the upper surface of above-mentioned magnet.
8. vibrating motor according to claim 1, which is characterized in that
It is cricoid counterweight that above-mentioned vibrating body, which has in the up and down direction vertical view for surround above-mentioned magnet,
It is cricoid third damper that above-mentioned damper section, which at least has in vertical view in above-below direction,
Above-mentioned third damper contacts the upper surface of above-mentioned counterweight and the following table of above-mentioned top plate portion under above-mentioned off working state
Face both sides,
In above-below direction overlook in, above-mentioned third damper only with the above-mentioned counterweight weight in above-mentioned counterweight and above-mentioned magnet
It is folded,
Above-mentioned third damper is fixed on the upper surface of above-mentioned counterweight.
9. vibrating motor according to claim 8, which is characterized in that
Above-mentioned damper section also has the 4th damper being configured on the inside of the through hole of above-mentioned third damper,
Above-mentioned 4th damper contacts the upper surface of above-mentioned magnet and the lower surface of above-mentioned top plate portion under above-mentioned off working state
Both sides.
10. vibrating motor according to claim 9, which is characterized in that
Above-mentioned 4th damper is fixed on the upper surface of above-mentioned magnet.
11. a kind of haptic apparatus, which is characterized in that
With vibrating motor described in claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017107810A JP2018202287A (en) | 2017-05-31 | 2017-05-31 | Vibration motor |
| JP2017-107810 | 2017-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208623523U true CN208623523U (en) | 2019-03-19 |
Family
ID=64954833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820809974.8U Expired - Fee Related CN208623523U (en) | 2017-05-31 | 2018-05-28 | Vibrating motor and haptic apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018202287A (en) |
| CN (1) | CN208623523U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210131610A (en) | 2020-04-24 | 2021-11-03 | 주식회사 엠플러스 | Vibration actuator |
| CN217388499U (en) | 2021-05-06 | 2022-09-06 | 瑞声光电科技(常州)有限公司 | Linear vibration motor |
-
2017
- 2017-05-31 JP JP2017107810A patent/JP2018202287A/en active Pending
-
2018
- 2018-05-28 CN CN201820809974.8U patent/CN208623523U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018202287A (en) | 2018-12-27 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20190319 Termination date: 20200528 |