CN209373233U - Lens driver, photographic means and electronic equipment - Google Patents
Lens driver, photographic means and electronic equipment Download PDFInfo
- Publication number
- CN209373233U CN209373233U CN201822093914.3U CN201822093914U CN209373233U CN 209373233 U CN209373233 U CN 209373233U CN 201822093914 U CN201822093914 U CN 201822093914U CN 209373233 U CN209373233 U CN 209373233U
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- lens
- face
- mover
- protruding portion
- recess portion
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Abstract
The utility model provides a kind of lens driver, photographic means and electronics setting.The lens driver includes: stator；Mover, mover are moved along lens axis direction towards stator, and mover includes the lens supports body for being used to support lens；Protruding portion, protruding portion be arranged in either party in stator or mover on；Recess portion, recess portion are arranged on another party of stator and mover；Wherein protruding portion and recess portion are respectively provided with the opposite face opposite with protruding portion and recess portion；With viscoelastic resin, there is viscoelastic resin to be configured as connecting with the opposite face of the opposite face of protruding portion and recess portion.Since the recess portion that protruding portion and the protruding portion that stator or mover either side is arranged in are inserted into has viscoelastic resin in opposite opposite face setting, the deviation with the contact condition between viscoelastic resin and the protruding portion and recess portion that are arranged on mover or stator can reduce.Thus, it is possible to reduce the deviation of resonance inhibitory effect.
Description
Technical field
The utility model relates to saturating on a kind of photographic means carried on the electronic equipments such as mobile phone and smart phone
Mirror drive and the photographic means and electronic equipment for using the lens driver.
Background technique
Small-sized photographic means is generally carried on the electronic equipments such as smart phone, and lens driving is carried on the photographic means
Device.
The resonance generated when all the time, in order to inhibit to make lens focus is driven using the lens for devising vibration-absorptive material
Device (such as the prior art: Japan Patent, special open 2016-206531).In the prior art, the outer peripheral surface and frame of lens carrier
Gap filling between 4 corner inner peripheral surfaces of frame vibration-absorptive material.Recess portion is formed at frame, there are recessed for vibration-absorptive material partial product
At portion.Since vibration-absorptive material accumulates at recess portion, it can prevent vibration-absorptive material from falling off.But in the prior art, that is, allow to
Prevent vibration-absorptive material from falling off, due to only by vibration-absorptive material partial product there are at recess portion, therefore, it is difficult to control the amount of vibration-absorptive material,
Position, range etc., the configuration for being beneficial to the vibration-absorptive material of control resonance are easy to appear deviation.As a result resonance inhibitory effect is also easy
There is deviation.
Utility model content
For the defects in the prior art, the purpose of the utility model is to provide one kind can reduce resonance inhibitory effect it is inclined
Lens driver, photographic means and the electronic equipment of difference.
In order to solve the above technical problems, a kind of lens driver provided by the utility model, comprising: stator；
Mover, the mover are moved along lens axis direction towards the stator, and the mover includes being used to support lens
Lens supports body；
Protruding portion, the protruding portion be arranged in either party in the stator or the mover on；
Recess portion, the recess portion are arranged on another party of the stator and the mover；Wherein
The protruding portion and the recess portion are respectively provided with the opposite face opposite with the protruding portion and the recess portion；
It is described that there is viscoelastic resin to be configured as and the opposite face of the protruding portion and institute with viscoelastic resin
The opposite face for stating recess portion connects.
Preferably, the mover has the coil for keeping the mover mobile or the magnetite for driving, the recess portion quilt
The lens supports body and the coil or the magnetite for driving are surrounded.
Preferably, on the lens supports body, notch section, the recess portion are offered on the optical axis direction of the lens
It is formed in the notch section and the coil or between the magnetite of driving.
Preferably, the notch section has the first face and the second face, and first face is formed in the optical axis with the lens
The direction of direction intersection, second face from first face circumferential direction two sides and interior side to the optical axis side of the lens
It is upwardly formed in the direction erected from first face, the opposite face of the recess portion has the coil or the institute for driving
State magnetite, first face and second face.
Preferably, in second face, be upwardly formed in the side erected from the circumferential direction two sides in first face two
A face has viscoelastic resin by described, the opposite face forward surface formed with the circumferential direction both ends of the protruding portion
It is right.
Preferably, the stator has the shell for surrounding the mover, and the center of the shell is the box-shaped body of opening, institute
It is prominent from the edge of the opening to the inside of the box-shaped body to state protruding portion.In addition, the optical axis with the lens of the shell
The shape in orthogonal section is quadrangle, and the protruding portion is provided with 2 opposite corners.
Preferably, the two sides centered on the lens are arranged in the protruding portion and the recess portion.
Preferably, even if described there is viscoelastic resin to be moved on the optical axis direction of the lens in the mover
Maximum position also remains the state that the opposite face of the protruding portion is in contact with the opposite face of the recess portion.
A kind of photographic means, including described in lens driver, the lens as lens supports body support, detection transmission
The light of lens by optical sensor.
A kind of electronic equipment, including photographic means.
Compared with prior art, the beneficial effects of the utility model are as follows: any one in stator or mover due to being arranged
The protruding portion of side and the recess portion of protruding portion insertion are arranged in opposite opposite face has viscoelastic resin, therefore can reduce
Deviation with the contact condition between viscoelastic resin and the protruding portion and recess portion that are arranged on mover or stator.By
This, can reduce the deviation of resonance inhibitory effect.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign objects and advantages will become more apparent upon.
Fig. 1 is the exploded perspective view of the involved photograph driving device of implementation form of the utility model.
Fig. 2 is the oblique view of the involved photograph driving device of implementation form of the utility model.
Fig. 3 is lens driver involved by the implementation form of the utility model, is the line A-A sectional view of Fig. 2.
Fig. 4 is lens driver involved by the implementation form of the utility model, is the line B-B sectional view of Fig. 2.
Fig. 5 is lens driver involved by the implementation form of the utility model, is the line C-C sectional view of Fig. 2.
Fig. 6 be the lens driver involved by the implementation form of the utility model in, remove front side flat spring and after
The oblique view of state after side plate spring.
Fig. 7 is the oblique view of shell used in lens driver involved by the implementation form of the utility model.
Fig. 8 be the lens driver involved by the implementation form of the utility model in, from the state of Fig. 6 except decapsidate with
And the oblique view of the state with Viscoelastic resin.
Fig. 9 is will have viscoelastic from the state of Fig. 8 in the lens driver involved by the implementation form of the utility model
Property resin injection recess portion state oblique view.
Figure 10 is that resonance suppressing portion is expanded display in the lens driver involved by the implementation form of the utility model
Sectional view.
Figure 11 is the section orthogonal direction in the lens driver involved by the implementation form of the utility model with Figure 10
Sectional view.
Specific embodiment
The utility model is described in detail using specific embodiment below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, several changes and improvements can also be made,
These are all within the protection scope of the present invention.
A kind of form of the utility model is lens driver, which has stator and in the lens
The optical axis direction mover mobile towards the stator, the latter include the lens supports body for being used to support lens, the stator and
Either party has protruding portion to the mover, and another party of the stator and the mover has the recessed of protruding portion insertion
Portion, the protruding portion and the recess portion are respectively provided with the opposite face opposite with the protruding portion and the recess portion, in order to it is described
The opposite face of the opposite face of protruding portion and the recess portion connects, and is equipped with viscoelastic resin.
What is embodied in fig. 1 and 2 is lens driver 10 for electronic equipments such as mobile phone and smart phones
Automatic focus type minicam.And in the bright book, consider for convenient, by the optical axis direction of lens driver 10
Object side is referred to as front side, and the light sensor side by the light from subject is referred to as rear side.
Lens driver 10 has stator 12 and mover 14.Stator 12 has basket 16, and design is intended to surround mover
14.Basket 16, which has, to be arranged in the box-like body case 18 of front side and the plate body base station 20 of rear side is arranged in, and shell 18 is fixed on
On base station 20.Basket 16 is substantially in square shape from the point of view of optical axis direction.And in the shell of basket 16 18 and base station 20
Centre, is respectively formed opening portion (22,24).
In the fixed generally washer 26 of square shape from the point of view of optical axis direction of the front interior of shell 18.And as schemed
Shown in 3, at the rear of washer 26, opposite 2 inner face of shell 18, the magnetite for driving of fixation person's rectangular shape
28。
Mover 14 configures in basket 16.The mover 14 has the lens supports body 30 of support lens.Lens supports body 30
From the point of view of optical axis direction, outside is generally round.In the inside of lens supports body 30, the lens formd for fixing lens are solid
Surely hole 32 is used.And in the coil of octagonal shape from the point of view of the periphery of lens supports body 30, the fixed optical axis direction from lens
34.The driving forward surface pair on the coil of magnetite 28.In the implementation form, shell 18 is made of magnetic substance, is located at driving
With the back side of magnetite 28, has the function of yoke axle, the magnetic flux from driving magnetite 28 passes through from it.
In the fixed wiring substrate 36 in a side of base station 20.In the wiring substrate 36, have from basket 16 to rear side
Part outstanding makes the part outstanding connect power supply or control line.
As shown in figure 4, lens driver 10 has the position detection part 38 of detection 14 optical axis direction position of mover, position
An adjacent corner of shell 18 is arranged in test section 38.The position detection part 38 is by the position that is fixed on lens supports body 30
Detection magnetite 40 and the position-detection sensor 42 on wiring substrate 36 that is relatively fixed with the position detection magnetite 40
It constitutes.The position-detection sensor 42 is made of hole element, if mover 14 is mobile, is then flowed to from position detection magnetite 40
The magnetic flux density of position-detection sensor 42 can change, it is possible thereby to detect the position of mover 14.
Mover 14 is flexibly supported by the front side flat spring 44 and rear side flat spring 46 for forming quadrangle frame-like, makes it
It is moved freely in the direction of the optical axis relative to stator 12.Front side flat spring 44 is consolidated by the stator side for being fixed on the trailing flank of washer 26
Determine portion 48, the mover side fixed part 50 for the leading flank for being fixed on lens supports body 30, consolidate stator side fixed part 48 and mover side
Determine the bracket part 52 that portion 50 connects to form.Bracket part 52 elastic deformation can occur in the optical axis direction of lens.
Rear side flat spring 46 divides for 2 spring members 54.The rear side flat spring 46 is as front side flat spring 44, by fixing
The leading flank of base station 20 stator side fixed part 56, be fixed on lens supports body 30 trailing flank mover side fixed part 58,
The bracket part 60 that stator side fixed part 56 and mover side fixed part 58 connect is formed.Bracket part 60 can be in the light of lens
There is elastic deformation in axis direction.In addition, it is prominent to 36 side of wiring substrate to devise terminal 62 on spring members 54, make the terminal 62
Connect wiring substrate 36.In addition, the side of the mover side fixed part 58 of spring members 54 is connected at one end of coil 34, the other side
It is connected at the other end of coil 34.
In said structure, lens are support by said lens supporter 30.The lens of the support lens of lens supports body 30
Driving device 10 is equipped on photographic means.On photographic means, passed from subject by the light that lens input by light
Sensor detection.Controller by being loaded into photographic means calculates lens moving, which is intended to cooperate subject
Focus point.Control signal corresponding with lens moving is sent to wiring substrate 36 by the controller.Electric current passes through wiring base
Plate 36 and rear side flat spring 46 flow to coil 34, and electric current once flows into coil 34, in driving between magnetite 28 and coil 34
The electromagnetic force of optical axis direction will be generated.The electromagnetic force becomes the driving force relative to lens supports body 30, lens supports body 30
It revolts front side flat spring 44 or rear side flat spring 46 is moved.In position detection part 38, pass through position-detection sensor
The position of 44 detection position detection magnetites 40, carries out feedback control, so that lens supports body 30 stops rapidly in target position.
Therefore, in the case where stopping lens supports body, lens supports body 30 will generate resonance.Thus, it is desirable to press down
The resonance of lens supports body 30 processed.
As shown in Fig. 5 to Figure 11,2 angles that resonance suppressing portion 64 faces each other are devised on lens driver 10
Portion.That is the two sides centered on lens are arranged in resonance suppressing portion 64.The suppressing portion 64 that resonates is by protruding portion 66, recess portion 68 and tool
It is made of viscoelastic resin 70.
And in order to ensure the position of position detection part 37, there is no designs to be configured with position detection part for the suppressing portion 64 that resonates
38 corner.And in order to keep balancing, in the corner opposite with position detection part 38, also without design resonance suppressing portion 64.
Protruding portion 66 is integrally formed in opposite 2 corner of shell 18 with shell 18, from the opening portion of shell 18 22
Side is prominent backward at edge.The protruding portion 66 is formed when manufacturing shell 18 by punch process.And recess portion 68 is formed in lens
Between supporter 30 and coil 34.Lens supports body 30 devises notch section 72.
As shown in figs.10 and 11, notch section 72 be by the lens supports body 30 of part corresponding with protruding portion 66 with
What optical axis direction was cut into parallel.I.e. notch section 72 is made of the second face of the first face 74 and 3 76, the former be with lens axis side
The bottom surface formed on orthogonal direction, the latter are 3 sides erected from first face 74 side forward parallel with lens axis.?
In 3 the second faces 76,2 faces of two sides are substantially faced each other towards circumferential direction, and remaining 1 faces toward the outside of radial direction.
Recess portion 68 is the part surrounded by the inner face of the second face 76 of 74,3, the first face of notch section 72 and coil 34.
Protruding portion 66 is inserted into recess portion 68.Even if the protruding portion 66 is also kept in the side movement maximum position backward of mover 14
Maintain insertion recess portion 68 length.The protruding portion 66 has insertion end face, that is, third face 78 and from the third face 78 and light
Axis direction 4 side, that is, fourth faces 80 that side erects forward in parallel.The third face 78 of the protruding portion 66 and the notch section of recess portion 68
Vis-a-vis, 3 the second face 76 and 3 fourth faces 80 constitute opposite face in 72 the first face 74.And then the outside of protruding portion 66 is
Vis-a-vis, the inner face of the fourth face 80 and coil 34 constitutes opposite face to the inner face of fourth face 80 and coil 34.
Be made of with viscoelastic resin 70 (hereinafter referred to as resin 70) soft gel or soft adhesive, by heat or
Light makes its hardening, makes it have defined viscoplasticity.The resin 70 configures between protruding portion 66 and the opposite face of recess portion 68,
It contacts.
In the implementation form, resin 70 and above-mentioned opposite face contact, protruding portion 66 is immersed, makes the top of protruding portion 66
It is capped.I.e. in the implementation form, resin 70 is arranged respectively at the first face 76 and the third face 80 of protruding portion 66 of recess portion 68
Between, between 3 the second faces 78 of notch section 72 and 3 fourth faces 82 of protruding portion 66, the inner face of coil 34 and protruding portion 66
Outside, that is, fourth face 82 between, but its configuration between at least one opposite face.Even if resin 70 mover 14 to
In the case where the mobile maximum position of rear side, still remains and be in contact with the opposite face of the opposite face of protruding portion 66 and recess portion 68
State.
Since resin 70 is arranged between protruding portion 66 and the opposite face of recess portion 68, production is interfered with each other between opposite face
Raw friction can prevent raw ash.For example, the fourth face 82 of the circumferential direction two sides of protruding portion 66 can be used as lens supports body 30
Rotation stop component uses.The second face 78 of 72 two sides of notch section vis-a-vis and mutually connects with the fourth face 82 of 66 two sides of protruding portion at this time
Touching.But since resin 70 is present between the two, both effect is that of avoiding directly contact, even if the two contacts, punching
It hits and is also mitigated, even if raw ash, due in the inside of resin 70, it is also difficult to be dispersed to outside.
And in above-mentioned embodiment, driving magnetite 28 is arranged in 12 side of stator respectively, by the setting of coil 34 dynamic
Sub 14 sides, but driving magnetite 28 can also be arranged in 14 side of mover in turn, coil 34 is arranged in 12 side of stator.At this time
Recess portion 68 can be constituted by the notch section 72 of mover 14 and driving with the inner face of magnetite 28.
And in above-mentioned embodiment, the direction that protruding portion 66 is inserted into recess portion 68 is arranged to the optical axis direction with lens
In parallel, but the utility model is without being limited thereto, can such as ensure the movement of mover 14, then can be formed in any direction.For example, can
So that protruding portion 66 is formed in the direction protrusion orthogonal with the optical axis direction of lens, make recess portion 68 saturating with lens supports body 30
The orthogonal side of mirror optical axis direction is upwardly formed, and protruding portion 66 is made to be inserted upwardly into recess portion 68 in the side orthogonal with lens axis direction.
In addition, in above-mentioned embodiment, protruding portion 66 being arranged in 12 side of stator respectively, recess portion 68 is arranged in mover side, but can
Protruding portion 66 to be arranged in 14 side of mover in turn, recess portion 68 is arranged in 12 side of stator.And recess portion 68 can not use
Coil 34, but only formed by lens supports body 30.And resonance suppressing portion 64 may be provided at each corner, can be not limited to corner
And it is arranged in edge.And shell 18 is enabled to have the function of yoke axle, but shell 18 can be formed by nonmagnetic material.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (11)
1. a kind of lens driver characterized by comprising
Stator；
Mover, the mover are moved along lens axis direction towards the stator, and the mover includes be used to support lens saturating
Mirror supporter；
Protruding portion, the protruding portion be arranged in either party in the stator or the mover on；
Recess portion, the recess portion are arranged on another party of the stator and the mover；Wherein
The protruding portion and the recess portion are respectively provided with the opposite face opposite with the protruding portion and the recess portion；
It is described that there is viscoelastic resin to be configured as and the opposite face of the protruding portion and described recessed with viscoelastic resin
The opposite face in portion connects.
2. lens driver according to claim 1, which is characterized in that the mover, which has, keeps the mover mobile
Coil is perhaps for the magnetite of the driving recess portion by the lens supports body and the coil or for the magnetic of driving
Stone is surrounded.
3. lens driver according to claim 2, which is characterized in that on the lens supports body, described
Notch section is offered on the optical axis direction of mirror, the recess portion is formed in the notch section and the coil or the institute for driving
It states between magnetite.
4. lens driver according to claim 3, which is characterized in that the notch section has the first face and second
Face, first face are formed in the direction intersected with the optical axis direction of the lens, and second face is from first face
The direction erected from first face, the recess portion are formed on the optical axis direction of circumferential direction two sides and the interior lateral lens
Opposite face have the coil or the magnetite for driving, first face and second face.
5. lens driver according to claim 4, which is characterized in that in second face, from described first
Two faces that the side that the circumferential direction two sides in face erect is upwardly formed have viscoelastic resin by described, with the protruding portion
Circumferential direction both ends formed the opposite face forward surface pair.
6. lens driver according to claim 1, which is characterized in that the stator, which has, surrounds the outer of the mover
Shell, the center of the shell are the box-shaped bodies of opening, and the protruding portion is prominent from the edge of the opening to the inside of the box-shaped body
Out.
7. lens driver according to claim 6, which is characterized in that the shell with the optical axises of the lens just
The shape in the section of friendship is quadrangle, and the protruding portion is provided with 2 opposite corners.
8. lens driver according to claim 1, which is characterized in that the protruding portion and the recess portion setting with
Two sides centered on the lens.
9. lens driver according to claim 1, which is characterized in that even if described have viscoelastic resin in institute
State mover and be moved to maximum position on the optical axis direction of the lens, also remain the opposite face of the protruding portion with it is described recessed
The state that the opposite face in portion is in contact.
10. a kind of photographic means, which is characterized in that driven including the lens as described in claim 1 to claim 9 any one
Dynamic device, by the lens of lens supports body support, detection through the lens light by optical sensor.
11. a kind of electronic equipment, which is characterized in that including photographic means as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093914.3U CN209373233U (en) | 2018-12-13 | 2018-12-13 | Lens driver, photographic means and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093914.3U CN209373233U (en) | 2018-12-13 | 2018-12-13 | Lens driver, photographic means and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373233U true CN209373233U (en) | 2019-09-10 |
Family
ID=67832569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822093914.3U Active CN209373233U (en) | 2018-12-13 | 2018-12-13 | Lens driver, photographic means and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050047A (en) * | 2019-12-26 | 2020-04-21 | 维沃移动通信有限公司 | Electronic device |
-
2018
- 2018-12-13 CN CN201822093914.3U patent/CN209373233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050047A (en) * | 2019-12-26 | 2020-04-21 | 维沃移动通信有限公司 | Electronic device |
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