CN108681028A - Lens drive motor, camera and mobile terminal apparatus - Google Patents
Lens drive motor, camera and mobile terminal apparatus Download PDFInfo
- Publication number
- CN108681028A CN108681028A CN201810726336.4A CN201810726336A CN108681028A CN 108681028 A CN108681028 A CN 108681028A CN 201810726336 A CN201810726336 A CN 201810726336A CN 108681028 A CN108681028 A CN 108681028A
- Authority
- CN
- China
- Prior art keywords
- shell
- thickness
- drive motor
- lens drive
- motor according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000001965 increasing effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 4
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 34
- 230000000694 effects Effects 0.000 description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 10
- 239000000428 dust Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The present invention provides a kind of lens drive motor, camera and mobile terminal apparatus.Wherein, lens drive motor includes shell, lens supports body, coil and magnetite component, coil is around being located on lens supports body and be arranged inside the shell, magnetite component is arranged between shell and lens supports body, wherein, shell correspond to the part of magnetite component thickness be more than shell other parts thickness.The present invention solves the problems, such as lens drive motor leakage field in the prior art.
Description
Technical field
The present invention relates to apparatus for making a video recording technical fields, eventually in particular to a kind of lens drive motor, camera and movement
End device.
Background technology
Due to the lightening construction of mobile terminal apparatus common demands of mobile phone etc., to the motor under set appearance and size
Design proposes requirements at the higher level, and the motor of slimming is difficult to generally meet various performance requirements.One of wherein apparent problem is,
Motor design is thinner, and the driving force that camera lens moves often is driven also to seem more insufficient.The main reason for causing such case be
Due to the reason of slimming, the effective active area of magnetite and coil spatially is contained, powerful electricity cannot be played
Magnetic force, then the camera lens for large-size of arranging in pairs or groups cause big often so that driving force is insufficient, and inadequate to the protection of magnetite component
The magnetic field of amount leaks outside, and then magnetic field force is caused to substantially reduce, so that driving the driving force that camera lens moves insufficient.
It follows that there is leakage field in lens drive motor in the prior art.
Invention content
The main purpose of the present invention is to provide a kind of lens drive motor, camera and mobile terminal apparatus, existing to solve
There is the problem of lens drive motor leakage field in technology.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of lens drive motor, including it is outer
Shell, lens supports body, coil and magnetite component, around being located on lens supports body and being arranged inside the shell, magnetite component is set coil
It sets between shell and lens supports body, wherein shell corresponds to other parts of the thickness more than shell of the part of magnetite component
Thickness.
Further, shell is integral structure and changes the size of thickness by extrusion forming.
Further, shell includes：Base enclosure；The position that magnetite component is corresponded in base enclosure is arranged in additional structure, additional structure
On, to increase the thickness of shell at this.
Further, shell is made of SPCC materials.
Further, thickness H1 of the thickness of the peripheral wall of shell in the part of corresponding magnetite component is more than the peripheral wall of shell
The thickness H2 of other parts.
Further, the ratio of thickness H2 and thickness H1 is more than 0.6 and is less than 1.
Further, thickness H1 is more than or equal to 0.2 millimeter and is less than or equal to 0.25 millimeter.
Further, thickness H1 is equal to 0.2 millimeter.
Further, thickness H2 is more than or equal to 0.15 millimeter and is less than or equal to 0.2 millimeter.
Further, thickness H2 is equal to 0.15 millimeter.
Further, magnetite component includes four sub- magnetites, and four sub- magnetites are separately positioned on the corner of shell, shell
Peripheral wall corner thickness be more than shell peripheral wall other parts thickness.
Further, the top end surface of lens supports body has stopper protrusion, surface of the stopper protrusion towards shell side
For striking face.
Further, stopper protrusion is multiple, and multiple stopper protrusions are intervally installed.
Further, the thickness of stopper protrusion is more than or equal to 0.07 millimeter and is less than or equal to 0.1 millimeter.
Further, the thickness of stopper protrusion is equal to 0.07 millimeter.
According to another aspect of the present invention, a kind of camera, including above-mentioned lens drive motor are provided.
According to another aspect of the present invention, a kind of mobile terminal apparatus, including above-mentioned camera are provided.
Further, mobile terminal apparatus includes at least one of mobile phone, mobile information terminal and laptop.
It applying the technical scheme of the present invention, lens drive motor includes shell, lens supports body, coil and magnetite component,
Around being located on lens supports body and being arranged inside the shell, magnetite component is arranged between shell and lens supports body coil, wherein
Shell correspond to the part of magnetite component thickness be more than shell other parts thickness.
In this way, the thickness for corresponding to the part of magnetite component by increasing shell, is preferably protected with being played to magnetite component
Effect can be effectively prevented from magnetic field leakage, advantageously ensure that stronger magnetic field intensity, and then ensure that motor has enough drives
Power so that larger driving force can be generated under the function of current of very little, advantageously reduce energy consumption, in addition, due to magnetic field
Intensity is effectively promoted, thus can be by the more frivolous of magnetic field component design, and then can be designed more frivolous
Lens drive motor improves aesthetics.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the shell in the present invention；
Fig. 2 shows the structural schematic diagrams of another angle of the shell in Fig. 1；
Fig. 3 shows the structural schematic diagram of the lens supports body in the present invention；
Fig. 4 shows the structural schematic diagram of the upper spring in the present invention；
Fig. 5 shows the connection relationship diagram of lower spring and pedestal in the present invention；
Fig. 6 shows the connection relationship diagram of pedestal in the present invention, lower spring and lens supports body；
Fig. 7 shows the position relationship schematic diagram of shell and magnetite component in the present invention；
Fig. 8 shows the explosive view of lens drive motor in the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, shell；11, corner；12, shell flange；20, lens supports body；25, cord is limited；26, shock resistance rib；28、
Stopper protrusion；29, carrier notch portion；30, coil；40, magnetite component；50, upper spring；60, lower spring；70, pedestal；71, in
Heart evacuation opening；72, dust ring；81, notch section；82, lug boss；84, bulge-structure.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is typically needle
For direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Equally
Ground for ease of understanding and describes, and " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is not
For limiting the present invention.
In order to solve the problems, such as lens drive motor leakage field in the prior art, the present invention provides a kind of lens to drive horse
It reaches, camera and mobile terminal apparatus.Wherein, there is camera following lens drive motors, mobile terminal apparatus to have the camera.
Optionally, mobile terminal apparatus includes at least one of mobile phone, mobile information terminal and laptop.
Embodiment one
As shown in Figures 1 to 8, lens drive motor includes shell 10, lens supports body 20, coil 30 and magnetite component
40, around being located on lens supports body 20 and being arranged in shell 10, magnetite component 40 is arranged in shell 10 and lens branch coil 30
Between support body 20, wherein the thickness of the part of the correspondence magnetite of shell 10 component 40 is more than the thickness of the other parts of shell 10.
In this way, the thickness for corresponding to the part of magnetite component 40 by increasing shell 10, to be played more preferably to magnetite component 40
Protective effect, magnetic field leakage can be effectively prevented from, advantageously ensure that stronger magnetic field intensity, and then ensure that motor has foot
Enough driving forces so that larger driving force can be generated under the function of current of very little, advantageously reduce energy consumption, in addition, by
It is effectively promoted in magnetic field intensity, thus can be by the more frivolous of magnetic field component design, and then can design more
Frivolous lens drive motor improves aesthetics.
Shell 10 in the present invention is integral structure and changes the size of thickness by extrusion forming.Using integral structure
Shell 10 structural strength it is larger, and have preferable leakproofness, protective effect well, energy can be played to internal magnetic field
It is enough effectively prevented from magnetic field leakage, changes the size of thickness additionally by extrusion forming, easy to operate simple, cost is relatively low, and
Good reliability.
In this embodiment, shell 10 is made of a kind of material.The difficulty of the making of shell 10 can be reduced in this way, while
Cost of manufacture can be reduced.
Preferably, shell 10 is made of SPCC materials.SPCC materials have the function of anti-leakage field, can also antistatic,
There is protective effect well to magnetite component 40, be conducive to improve the magnetic field intensity between magnetite component 40 and coil 30, increase
Add the driving force of motor, and cost is relatively low.
It should be noted that shell 10 is not limited only to made of SPCC materials, as long as disclosure satisfy that the performance of SPCC materials,
Positive effect is played to leakproof magnetic property, all can be used as the row of the material object selected by shell 10 of the present invention.
Optionally, thickness H1 of the thickness of the peripheral wall of shell 10 in the part of corresponding magnetite component 40 is more than the week of shell 10
The thickness H2 of the other parts of wall.In such manner, it is possible to play better protective effect to magnetite component 40, magnetic can be effectively prevented from
Over-the-counter leakage advantageously ensures that stronger magnetic field intensity, and then ensures that motor has enough driving forces so that in the electric current of very little
Effect is lower can to generate larger driving force, advantageously reduce energy consumption.
Optionally, the ratio of thickness H2 and thickness H1 is more than 0.6 and is less than 1.It is preferable can to ensure that shell 10 has in this way
Intensity, and can play a very good protection to magnetite component 40, prevent magnetic field from leaking outside, while ensureing lens drive motor
Have the characteristics that frivolous.
Optionally, thickness H1 is more than or equal to 0.2 millimeter and is less than or equal to 0.25 millimeter.In such manner, it is possible to be risen to magnetite component 40
To better protective effect, it can be effectively prevented from magnetic field leakage, advantageously ensure that stronger magnetic field intensity, and then ensure motor
With enough driving forces so that larger driving force can be generated under the function of current of very little, advantageously reduce energy consumption.
It should be noted that using the structure feature of motor, under the premise of not influencing motor overall structure size, externally
The thickness H1 in the corner of the peripheral wall of shell 10 can make the possibility being further transformed, by increasing thickness H1, to enhancing the anti-leakage of motor
Magnetic effect further increases motor thrust effect significantly, while can meet the lightening design requirement of motor again.
Preferably, thickness H1 is equal to 0.2 millimeter.In such manner, it is possible to ensure that shell 10 plays magnetite component 40 best guarantor
Shield acts on, and the effect of anti-leakage field is best, and magnetic field intensity is best.
Optionally, thickness H2 is more than or equal to 0.15 millimeter and is less than or equal to 0.2 millimeter.In this way, before meeting requirement
It puts, can ensure that the thickness of shell 10 is in smaller range with weight, be conducive to the size for reducing shell 10, so that
Lens drive motor is more frivolous.
It should be noted that motor, in set compact finite spatial extent, the size of change or increasing thickness H2 are more
Difficulty, the influence face being related to are relatively large.If preferable magnetic-leakage preventing effect in order to obtain, once thickness H2 changes, will make
All associated components sizes inside shell 10 are made corresponding adjustment and are changed, and the cost that house of correction is paid thus is larger.Due to line
Circle 30 and 40 size of magnetite component inside contract variation, and synthesis result might not also be conducive to comprising including motor thrust performance
Resultant performance enhancements are also unfavorable for standardizing the realization of motor product.On the basis of existing capability structure, thickness H2 sizes are protected
Hold constant, the size that transformation increases thickness H1 is most rationally and with feasibility.Certainly, on the basis for meeting various functions
On, it also not can not using thickness H1 and thickness H2 are made identical dimensional thickness.The present invention is based on the existing motor work(of promotion
Can and the technical improvement made, thrust performance will be increased dramatically than before.Preferably, thickness H2 is equal to 0.15 millimeter.
Under the premise of disclosure satisfy that requirement in this way, it can ensure that the thickness of shell 10 is in optimal range with weight, be conducive to
Reduce the size of shell 10, so that the frivolous degree of lens drive motor is optimal, improves aesthetics.
It should be noted that magnetite component 40 corresponding shell, 10 thickness are thicker, magnetic line of force escape is fewer, can be more effectively
The undesirable condition of leakage field is prevented, i.e., under same current condition, magnetic field intensity caused by magnetite component 40 then can be higher, to carrying
It is more apparent to rise motor drive power.By improving driving force, the larger weight camera lens of driving can be carried, high pixel lens driving horse is provided
Reach, realize lens drive motor low current, miniaturization tectonic sieving.For shell 10 in chosen material, the thickness of selection is 0.2
Millimeter, the thickness H1 by the thickness of the peripheral wall of shell 10 in the part of corresponding magnetite component 40 are transformed into 0.2mm or more, remaining area
Part enclosure 10 thickness in domain is processed into 0.15mm, and specific implementation is：Shell 10 processes producer by mold by the material of 0.2mm
Band is squeezed, and the thickness of such as 0.15mm is can extrude into.In this way, compared with original driving force, 25% driving force can be promoted.
As shown in fig. 7, magnetite component 40 includes four sub- magnetites, four sub- magnetites are separately positioned on the corner of shell 10
On, the thickness in the corner of the peripheral wall of shell 10 is more than the thickness of the other parts of the peripheral wall of shell 10.Four sub- magnetites be used for
Coil 30 acts on, and to generate magnetic field, driving force is provided for motor, in addition, the thickness in the corner of the peripheral wall of shell 10 is more than shell
The thickness of the other parts of 10 peripheral wall can be played a very good protection with antithetical phrase magnetite, can be effectively prevented from outside magnetic field
Leakage so that sub- magnetite keeps stronger magnetic field, and then ensures that motor has enough driving forces so that in the function of current of very little
Larger driving force can be generated down, advantageously reduce energy consumption.
In specific embodiment shown in Fig. 3, the top end surface of lens supports body 20 has stopper protrusion 28, stopper protrusion
28 towards 10 side of shell surface be striking face.Due to being provided with stopper protrusion 28 between lens supports body 20 and shell 10,
Good position-limiting action thus is played to lens supports body 20 and shell 10, in addition, passing through stopper protrusion 28 and lens supports body
20 contacts, increase contact area, can reduce due to damage caused by impact, be played very to lens supports body 20, shell 10
Good protective effect.
Specifically, motor drives in energization, lens supports body 20 on Z axis optical axis direction, passes through limit convex
Portion 28 and the inside top surface face of shell 10 mutually contact and realize and limit to motor.This limit configuration improves existing lens branch
The impingement position structure of support body 20.Compared with prior art, it can effectively avoid generating due to hitting caused striking face repeatedly
The possibility of dust clast plays a very good protection to the imaging effect of final camera lens.In addition, by stopper protrusion 28 and thoroughly
Mirror supporter 20, which contacts, to be limited, larger due to contacting face, increases limit area, while controlling dust clast, also can
It is enough to reduce due to limiting the damage hit and brought to motor repeatedly.
It should be noted that the four corners 11 in shell 10 have shell flange 12, shell flange 12 and carrier recess
The nested setting in portion 29, is driven limit, when shell 10 in the prior art limits lens supports body 20, due to contact
Area is smaller, thus dust clast is easy tod produce after impact test, by by shell in the prior art 10 and lens supports body
20 impingement position carries out structure improvement, that is, is changed to stopper protrusion 28 and is hit with shell 10, impact area greatly increases.
In addition, above-mentioned nesting setting structure, the upper limit with the driving of Z axis optical axis direction implement limit function, at the same it is right
Issuable X, Y direction twisting are controlled twisting limit during driving, to ensure the shaft-driven formedness of motor light.
After leading to a upper constant current to coil 30, lens supports body 20 drives to Z axis optical axis direction, and certain stroke, carrier recess are arrived in driving
29 bottom of portion will mutually contact the limit for realizing driving upper limit with the top end face of shell flange 12.But 12 face of shell flange compared with
It is thin, it is easy to be embedded into the bottom of carrier notch portion 29, mutual multiple impact, which is also easy to produce, to be adhered.Therefore at the bottom of carrier notch portion 29
Portion's setting since striking face becomes smaller, thus drove there are two bulge-structure 84 though bulge-structure 84 is prevented and is adhered
Shock in journey repeatedly is also easy to produce dust clast phenomenon.The present invention drives motor optical axis direction by the way that stopper protrusion 28 is arranged
The limit method of upper limit is improved, the problem of effectively improving dust clast；On the other hand, pass through shell flange 12 and load
The nested configuration mode of body notch portion 29 implements driving twisting limit function to X, Y direction.
As shown in figure 3, stopper protrusion 28 is multiple, multiple stopper protrusions 28 are intervally installed.Using multiple support portions
And interval setting, the active force between shell 10 and lens supports body 20 can be disperseed, there is stronger impact resistance, effectively
Ground avoids shell 10 with lens supports body 20 because shock damages, and good protection is played to lens supports body 20 and shell 10
Effect, and it is simple in structure, it is easy to implement.
Optionally, the thickness of stopper protrusion 28 is more than or equal to 0.07 millimeter and is less than or equal to 0.1 millimeter.In this way, increasing limit
Contact area between position protrusion 28 and lens supports body 20 can be reduced due to damage caused by impact, to lens supports body
20 and shell 10 play a very good protection, while can to avoid influence lens drive motor thickness, with ensure lens drive
Dynamic motor has the characteristics that frivolous.
Preferably, the thickness of stopper protrusion 28 is equal to 0.07 millimeter.In such manner, it is possible to lens supports body 20, shell 10 with
And lens play a very good protection, while making the frivolous degree of lens drive motor optimal.
Lens drive motor in the present invention further includes being located at the upper spring 50 of 20 top of lens supports body and being located at lens
The lower spring 60 of 20 lower section of supporter, the vertex of upper spring 50 are provided at least one glue hole.Upper spring 50 is used to support
The upper surface of mirror supporter 20, lower spring 60 is used to support the lower face of lens supports body 20, due to the vertex of upper spring 50
It is provided at least one glue hole, it is thus possible to upper spring 50 to be fixedly connected with lens supports body 20 by way of injecting glue,
To improve the shock proof ability of lens drive motor, improve stability, moreover, will can be prevented in glue injection glue hole it is excessive,
Avoid influencing the performance of other structures.
As shown in Figure 5 and Figure 6, lens drive motor further includes pedestal 70, and shell 10 is arranged on mount 70 in the two
Between form accommodating space, lens supports body 20, coil 30 and magnetite component 40 are respectively positioned in accommodating space, wherein shell 10
It is assembled together by embedded structure with pedestal 70.Pedestal 70 is used to support lens supports body 20, coil 30 and magnetite component 40,
Under the collective effect of pedestal 70 and shell 10, accommodating space is provided for lens supports body 20, coil 30 and magnetite component 40, together
When can play the role of protect internal component；In addition, shell 10 is assembled together with pedestal 70 by embedded structure, structure letter
It is single, it is easy to operate, and assembly effect is good, reliability and stability is strong.
In specific embodiment shown in Fig. 5, pedestal 70 has center evacuation opening 71 and dust ring 72,72 edge of dust ring
The circumferentially extending of center evacuation opening 71.There is lens supports body 20 accommodating cavity, dust ring 72 to stretch into the appearance of lens supports body 20
It sets intracavitary and is combined with the contactless property dislocation of accommodating cavity, good dustproof effect can be played.
As shown in Figures 5 to 7, embedded structure includes notch section 81 and lug boss 82, and notch section 81 is arranged on shell 10,
Lug boss 82 is arranged on the periphery of pedestal 70 and can be entrenched in notch section 81.Lug boss 82 and notch section 81 structure letter
It is single, it disclosure satisfy that chimeric requirement, and assembly effect is good, reliability and stability is strong.
In specific embodiment shown in Fig. 7, notch section 81 is located at the vertex of shell 10.It in this way can be to avoid to other
Component adversely affects, and is conducive to the performance for improving lens drive motor.
As shown in Fig. 3 and Fig. 6, lens supports body 20 has winding area, is provided with for backstop coil in winding area
30 limit cord 25；It is additionally provided with shock resistance rib 26 in winding area, coil 30 is around being located in winding area to cover anti-impact
Hit rib 26.Due to being provided with limit cord 25, it is thus possible to play the role of good position limitation protection to coil 30, in addition, due to
It is provided with shock resistance rib 26, the anti-impact force between the coil 30 after coiling and lens supports body 20 can greatly reinforce, thus i.e.
Just under the effect of external force, coil 30 will not fall off in lens supports body 20, improve the reliability of lens drive motor.
There are multiple positioning columns, lower spring 60 to have multiple location holes for the lower face of lens supports body 20 in the present invention,
Multiple positioning columns are equipped with multiple location holes.Matched by positioning column and location hole between lens supports body 20 and lower spring 60
Connection is closed, is conducive to the reliability for increasing assembly, while the convenience of assembly can be improved.
It should be noted that when fitting between magnetite component 40 and shell 10, lens drive motor can be increased
Compact sense is conducive to the volume for reducing lens drive motor；When having gap between magnetite component 40 and shell 10, it is convenient for
Injecting glue is adhesively fixed in gap, can increase the cementation between magnetite component 40 and shell 10.
Embodiment two
Difference lies in shell 10 is not integral structure with embodiment one.
In this embodiment, shell 10 includes base enclosure and additional structure, and additional structure is arranged corresponds to magnetite component in base enclosure
On 40 position, to increase the thickness of shell 10 at this.By the way that additional knot is arranged on the position that base enclosure corresponds to magnetite component 40
Structure can play a very good protection to the magnetite component 40 at this, be effectively prevented to increase the thickness of shell 10 at this
Magnetic field leaks outside, and advantageously ensures that stronger magnetic field intensity, and then ensures that motor has enough driving forces.
In this way, reducing the difficulty of processing of base enclosure, but assembly complexity is increased, and the quality of shell 10 is not easy to reduce.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect：
1, the thickness for corresponding to the part of magnetite component by increasing shell is made with playing preferably protection to magnetite component
With can be effectively prevented from magnetic field leakage, advantageously ensure that stronger magnetic field intensity, and then ensure that motor has enough drivings
Power；
2, since magnetic field intensity is effectively promoted, thus more frivolous, the Jin Erneng that magnetic field component can be designed
More frivolous lens drive motor is enough designed, aesthetics is improved；
3, since magnetic field intensity increases, it is thus possible to larger driving force can be generated under the function of current of very little, had
Conducive to reduction energy consumption；
4, stopper protrusion can increase the impact resistance of lens supports body, be risen to lens supports body, shell and lens
To good protective effect；
5, simple in structure, it is easy assembling.
Obviously, above-mentioned described embodiment only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment should all belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of lens drive motor, which is characterized in that including shell (10), lens supports body (20), coil (30) and magnetite
Component (40), the coil (30) is around being located on the lens supports body (20) and be arranged in the shell (10), the magnetic
Stone component (40) is arranged between the shell (10) and the lens supports body (20), wherein the shell (10) corresponds to institute
State the part of magnetite component (40) thickness be more than the shell (10) other parts thickness.
2. lens drive motor according to claim 1, which is characterized in that the shell (10) is integral structure and leads to
Cross the size that extrusion forming changes thickness.
3. lens drive motor according to claim 1, which is characterized in that the shell (10) includes：
Base enclosure；
Additional structure, the additional structure are arranged on the position that the base enclosure corresponds to the magnetite component (40), are somebody's turn to do with increasing
Locate the thickness of the shell (10).
4. lens drive motor according to claim 1, which is characterized in that the shell (10) is made of SPCC materials.
5. lens drive motor according to any one of claim 1 to 4, which is characterized in that the week of the shell (10)
Thickness H1 of the thickness of wall in the part of the correspondence magnetite component (40) is more than the other parts of the peripheral wall of the shell (10)
Thickness H2.
6. lens drive motor according to claim 5, which is characterized in that the ratio of the thickness H2 and the thickness H1
It is less than 1 more than 0.6.
7. lens drive motor according to claim 5, which is characterized in that the thickness H1 is more than or equal to 0.2 millimeter small
In equal to 0.25 millimeter.
8. lens drive motor according to claim 7, which is characterized in that the thickness H1 is equal to 0.2 millimeter.
9. lens drive motor according to claim 5, which is characterized in that the thickness H2 is more than or equal to 0.15 millimeter small
In equal to 0.2 millimeter.
10. lens drive motor according to claim 9, which is characterized in that the thickness H2 is equal to 0.15 millimeter.
11. lens drive motor according to claim 5, which is characterized in that the magnetite component (40) includes four sons
Magnetite, four sub- magnetites are separately positioned on the corner of the shell (10), the corner of the peripheral wall of the shell (10)
Thickness is more than the thickness of the other parts of the peripheral wall of the shell (10).
12. lens drive motor according to any one of claim 1 to 4, which is characterized in that the lens supports body
(20) it is to hit that top end surface, which has stopper protrusion (28), the surface of the stopper protrusion (28) towards the shell (10) side,
Hit face.
13. lens drive motor according to claim 12, which is characterized in that the stopper protrusion (28) be it is multiple, it is more
A stopper protrusion (28) is intervally installed.
14. lens drive motor according to claim 12, which is characterized in that the thickness of the stopper protrusion (28) is more than
It is less than or equal to 0.1 millimeter equal to 0.07 millimeter.
15. lens drive motor according to claim 14, which is characterized in that the thickness of the stopper protrusion (28) is equal to
0.07 millimeter.
16. a kind of camera, which is characterized in that including the lens drive motor described in any one of claim 1 to 15.
17. a kind of mobile terminal apparatus, which is characterized in that including the camera described in claim 16.
18. mobile terminal apparatus according to claim 17, which is characterized in that the mobile terminal apparatus include mobile phone,
At least one of mobile information terminal and laptop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726336.4A CN108681028B (en) | 2018-07-04 | 2018-07-04 | Lens driving motor, camera and mobile terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726336.4A CN108681028B (en) | 2018-07-04 | 2018-07-04 | Lens driving motor, camera and mobile terminal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108681028A true CN108681028A (en) | 2018-10-19 |
| CN108681028B CN108681028B (en) | 2024-08-13 |
Family
ID=63813232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810726336.4A Active CN108681028B (en) | 2018-07-04 | 2018-07-04 | Lens driving motor, camera and mobile terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108681028B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722350A (en) * | 2019-03-20 | 2020-09-29 | 新思考电机有限公司 | Drive device case, drive device, camera device, and electronic apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000357331A (en) * | 1999-06-14 | 2000-12-26 | Hitachi Ltd | Objective lens drive device |
| JP2013068702A (en) * | 2011-09-21 | 2013-04-18 | Shicoh Engineering Co Ltd | Lens drive device, autofocus camera and mobile terminal with camera |
| CN106646810A (en) * | 2016-11-11 | 2017-05-10 | 上海比路电子股份有限公司 | Lens drive device |
| CN208367305U (en) * | 2018-07-04 | 2019-01-11 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
-
2018
- 2018-07-04 CN CN201810726336.4A patent/CN108681028B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000357331A (en) * | 1999-06-14 | 2000-12-26 | Hitachi Ltd | Objective lens drive device |
| JP2013068702A (en) * | 2011-09-21 | 2013-04-18 | Shicoh Engineering Co Ltd | Lens drive device, autofocus camera and mobile terminal with camera |
| CN106646810A (en) * | 2016-11-11 | 2017-05-10 | 上海比路电子股份有限公司 | Lens drive device |
| CN208367305U (en) * | 2018-07-04 | 2019-01-11 | 上海比路电子股份有限公司 | Lens drive motor, camera and mobile terminal apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722350A (en) * | 2019-03-20 | 2020-09-29 | 新思考电机有限公司 | Drive device case, drive device, camera device, and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108681028B (en) | 2024-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108681026A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN108710189A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN101567614A (en) | Voice coil motor | |
| CN109803071A (en) | CCD camera assembly and mobile terminal | |
| CN104349656B (en) | Camera model | |
| CN102111056A (en) | Voice coil motor and camera module | |
| CN108828747A (en) | Lens drive motor, lens drive motor assembly, camera and mobile terminal apparatus | |
| CN105938287A (en) | Camera module | |
| CN108681029A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN208367305U (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN208367302U (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN109412458B (en) | Focusing motor and camera module | |
| CN108681028A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| KR101847433B1 (en) | Lens driving device | |
| CN208367303U (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN108181698B (en) | Lens driving motor | |
| CN108681025A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN207117456U (en) | A kind of three axle optical anti-vibration voice coil motors | |
| CN208367304U (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN208367306U (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN208432779U (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN108681027A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN109597182A (en) | Lens drive motor, camera and mobile terminal apparatus | |
| CN207819733U (en) | The voice coil motor structure of camera module | |
| CN213123618U (en) | Electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TG01 | Patent term adjustment | ||
| TG01 | Patent term adjustment |