CN110261987A - Lens assembly - Google Patents
Lens assembly Download PDFInfo
- Publication number
- CN110261987A CN110261987A CN201910488231.4A CN201910488231A CN110261987A CN 110261987 A CN110261987 A CN 110261987A CN 201910488231 A CN201910488231 A CN 201910488231A CN 110261987 A CN110261987 A CN 110261987A
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- China
- Prior art keywords
- camera lens
- ball
- side plate
- protrusion
- lens
- 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.)
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- 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 claims abstract description 51
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 49
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000000007 visual effect 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
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
-
- 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
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
The present invention provides a kind of lens assembly, including pedestal, it installs to the camera lens of the pedestal, driving device and the first ball assembly, the driving device is connected between the pedestal and the camera lens, the relatively described pedestal sliding of optical axis direction between the camera lens and the pedestal for guiding the camera lens along camera lens is arranged in first ball assembly, first ball assembly includes the first ball and the second ball to contact with each other, the diameter of first ball is greater than the diameter of second ball, the driving device can drive the camera lens to move along the optical axis direction of camera lens, the use of size ball can prevent from being only applicable in the ball assembly length that the first ball cannot reach suitable, second ball is adjustable the length of the first ball assembly, and the transverse width of the first ball assembly can be adjusted, camera lens and ball is set to be adjacent to, camera lens exists It is not susceptible to shake when auto-focusing, increases the stability of lens assembly.
Description
[technical field]
The present invention relates to lens optical technical field of imaging more particularly to a kind of lens assemblies.
[background technique]
In recent years, high-performance camera lens mould is all mounted on the portable terminal computer as smart phone, tablet computer
Group.The high-performance lens module generally has automatic focusing function (auto focusing).High-performance lens module is automatic right
Jiao Shi needs to move camera lens along the optical axis direction of camera lens.In the prior art, when camera lens is mobile, ball is placed on high property
In the raceway of energy lens module, ball is utilized to realize the rolling friction of camera lens.And when ball being utilized to realize rolling friction, ball exists
When realizing corresponding length, the diameter of ball is difficult to meet the width of raceway, and camera lens is difficult to be adjacent to ball, and camera lens is automatic right
Jiao Shiyi shakes.
Therefore, it is necessary to provide the new camera gun mould group of one kind to solve the above problems.
[summary of the invention]
That it is an object of the invention to provide a kind of structures is simple, stability is high, camera lens is not susceptible to shake in automatic focusing function
Dynamic lens assembly.
The purpose of the present invention adopts the following technical scheme that realization:
A kind of lens assembly, the lens assembly include pedestal, installation to the camera lens of the pedestal, driving device and first
Ball assembly, the driving device are connected between the pedestal and the camera lens, and first ball assembly is arranged described
For guiding optical axis direction relatively described pedestal sliding of the camera lens along camera lens, first rolling between camera lens and the pedestal
Pearl component includes the first ball and the second ball to contact with each other, and the diameter of first ball is greater than the straight of second ball
Diameter, the driving device can drive the camera lens to move along the optical axis direction of camera lens.
As an improvement mode, first ball assembly includes two the first balls and second ball, described
Second ball is located between two the first balls, second ball and two the first ball contacts.
As an improvement mode, the pedestal includes bottom plate and the first side for each extending over from the opposite two sides of bottom plate
Plate, the second side plate, the bottom plate, first side plate and second side plate are enclosed accommodating space；The camera lens peace
In the accommodating space, the optical axis direction of the camera lens is vertical with the bottom plate, the optical axis direction of the camera lens respectively and
First side plate, the second side plate are parallel.
As an improvement mode, first side plate is described towards being convexly equipped with the first protrusion on the side of the camera lens
The side of second side plate towards the camera lens is convexly equipped with the second protrusion, the opposite two sides of the camera lens be reversely convexly equipped with it is first convex
The opposite third protrusion in portion and fourth protrusion opposite with the second protrusion, first protrusion, third protrusion, the first side plate and mirror
It is enclosed the first guide groove between head, second is enclosed between second protrusion, the 4th protrusion, the second side plate and camera lens and leads
The first ball assembly is respectively set in slot, first guide groove and second guide groove.
As an improvement mode, first protrusion, the second protrusion, third protrusion, the 4th protrusion, the first guide groove and
Two guide grooves respectively include two, and the lens assembly further includes the second ball assembly, and second ball assembly includes at least one
The first ball assembly is respectively set in a third ball, one of them described first guide groove and one of them described second guide groove,
The second ball assembly is respectively set in second guide groove described in first guide groove and another one described in another one.
As an improvement mode, first protrusion is equipped with the first support surface for supporting the first ball assembly, institute
The second protrusion is stated equipped with the second support surface for supporting the second ball assembly, the corresponding first support surface setting of the camera lens is a pair of
Orthogonal third support surface, corresponding a pair of orthogonal 4th support surface of second support surface setting of the camera lens are described
First support surface is obliquely installed relative to each third support surface, and second support surface is relative to each the 4th support surface
It is obliquely installed.
As an improvement mode, the lens assembly further includes shell and circuit board, the shell, circuit board respectively and
Pedestal connection, for the camera lens between the shell and the pedestal, the circuit board is located at the camera lens and described
Between shell, the circuit board includes pad, shrinkage pool is opened up on the shell, the shrinkage pool is for exposing on the circuit board
Pad.
As an improvement mode, the driving device includes shape memory alloy wire, when the memory alloy wire is powered
When, the memory alloy wire deforms to drive the camera lens to move along the optical axis direction of camera lens.
As an improvement mode, the shape memory alloy wire is in " V "-shape, and the shape memory alloy wire includes connecting
Two ends of the pedestal and the V-type driving end between two ends are connected to, are provided with driving protrusion on the camera lens, it is described
Driving protrusion includes V-type end, and the V-type driving end of the shape memory alloy wire is contacted with the cooperation of the V-type end of the camera lens.
As an improvement mode, the lens assembly further includes the first conduct piece and the second conduct piece, and described first leads
Electric part is fixed on the end face far from the bottom plate of first side plate, first conduct piece and shape memory alloy wire
One end is fixedly connected and is electrically connected, and second conduct piece is fixed on the end face far from the bottom plate of second side plate
On, second conduct piece is fixedly connected and is electrically connected with another end of shape memory alloy wire.
As an improvement mode, the short transverse of first side plate, the second side plate and camera lens is parallel to the camera lens
Optical axis direction, the height of first side plate and first conduct piece junction is greater than or equal to the three of the camera lens height
/ mono-, the height of second side plate and second conduct piece junction be greater than or equal to the camera lens height three/
One.
As an improvement mode, the lens assembly further includes a pair of resilient members, and the elastic component is located at the camera lens
Between the bottom plate, one end of each elastic component is connected with the bottom plate, the other end of the elastic component and described
Lens assembly is connected towards one end of the bottom plate.
As an improvement mode, the camera lens further includes multiple being located at the remote of first guide groove and the second guide groove
The block piece of one end from the bottom plate；
Or the lens assembly further includes several rebound parts and multiple is located at first guide groove and the second guide groove
Far from the bottom plate one end block piece, the camera lens opens up several far from the optical axis direction on one end of bottom plate along camera lens
Accommodating hole, the rebound part are arranged in corresponding accommodating hole, one end of the block piece and first side plate or second side
Plate connection, the other end of the block piece are located at the one end of the accommodating hole far from bottom plate, spring back part far from camera lens one
End is fixed to the block piece.
In terms of existing technologies, lens assembly drives the camera lens along mirror to embodiment of the present invention by driving assembly
The optical axis direction of head is mobile to realize auto-focusing, and lens assembly structure is simple, and the first ball assembly of use includes phase mutual connection
The first ball and the second ball of touching, the diameter of the first ball are greater than the diameter of the second ball, can prevent from being only applicable in the first ball
Suitable ball assembly length cannot be reached, the second ball is adjustable the length of the first ball assembly, and can adjust the first ball
The transverse width of component enables camera lens and ball to be adjacent to, and camera lens is not susceptible to shake in auto-focusing, increases lens group
Stability of the part in auto-focusing.
[Detailed description of the invention]
Fig. 1 is the schematic perspective view of lens assembly provided in an embodiment of the present invention；
Fig. 2 is the configuration schematic diagram of lens assembly provided in an embodiment of the present invention；
Fig. 3 is the schematic perspective view of pedestal provided in an embodiment of the present invention；
Fig. 4 is the schematic perspective view of shell provided in an embodiment of the present invention；
Fig. 5 is the schematic perspective view of camera lens provided in an embodiment of the present invention；
Fig. 6 is the schematic perspective view of pedestal provided in an embodiment of the present invention and camera lens cooperation；
Fig. 7 is the enlarged structure schematic diagram in Fig. 6 at A；
Fig. 8 is the schematic perspective view at another visual angle of camera lens provided in an embodiment of the present invention；
Fig. 9 is the schematic perspective view of ball assembly provided in an embodiment of the present invention；
Figure 10 is the schematic perspective view of shape memory alloy wire provided in an embodiment of the present invention；
Figure 11 is that shape memory alloy wire provided in an embodiment of the present invention, pedestal, camera lens, the first conduct piece and second are conductive
The schematic perspective view of part cooperation；
Figure 12 is the schematic perspective view of pedestal provided in an embodiment of the present invention and elastic component cooperation；
Figure 13 is the configuration schematic diagram of pedestal provided in an embodiment of the present invention, camera lens and elastic component；
Figure 14 is the schematic cross-sectional view in Fig. 6 along B-B；
Figure 15 is the schematic perspective view of elastic component provided in an embodiment of the present invention；
Figure 16 is the schematic perspective view of pedestal provided in an embodiment of the present invention, camera lens and block piece cooperation；
Figure 17 is the schematic perspective view of block piece provided in an embodiment of the present invention；
Figure 18 is another configuration schematic diagram of lens assembly provided in an embodiment of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiments described herein can be in addition to illustrating herein
Or the sequence other than the content of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units need not limit
In step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, produce
The other step or units of product or equipment inherently.
It should be noted that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
Will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not the present invention claims
Protection scope within.
Also referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of lens assembly 10, which includes
Shell 11, pedestal 12, installation to the camera lens 13 of the pedestal 12, shape memory alloy wire 14, ball assembly 15 and two elasticity
Part 16.Shell 11 is set on pedestal 12 and connects with pedestal 12, and the shape memory alloy wire 14 is connected to the pedestal 12
Between the camera lens 13, two elastic component 16 is connected between the camera lens 13 and the pedestal 12, two elastic components 16
One end is connected with pedestal 12 respectively, and the other end of two elastic components 16 is connected with camera lens 13 respectively, and ball assembly 15 is arranged described
For guiding camera lens 13 to slide along the optical axis direction opposite base 12 of camera lens 13 between camera lens 13 and pedestal 12, elastic component 16 can make
Camera lens 13 and pedestal 12 clamp ball assembly 15, so that shape memory alloy wire 14 is sent out when shape memory alloy wire 14 is powered
The shape that changes drives the camera lens 13 to move along the optical axis direction of camera lens 13, and two elastic components 16 are used in camera lens 13 along the light of camera lens 13
When axis direction is mobile, prevent camera lens 13 from deflecting with respect to the optical axis direction of camera lens 13.It is appreciated that shape memory alloy wire 14
Other driving devices can also be used, for example use electromagnetic drive structures, driving device is enable to drive the camera lens along camera lens
Optical axis direction is mobile.
Referring to Fig. 3, pedestal 12 includes bottom plate 121 and several side plates extended from bottom plate 121, bottom plate 121 and side plate are total
With the accommodating space formed for accommodating camera lens, specifically, side plate includes the first side plate 122, the second side plate 123 and third side plate
124, the first side plate 122 and the second side plate 123 extend from the opposite two sides of the bottom plate 121 towards 11 direction of shell respectively, third
Side plate 124 extends from the other side of bottom plate 121 towards 11 direction of shell and connect respectively with the first side plate 122 with the second side plate 123.
Bottom plate 121, the first side plate 122, the second side plate 123 and third side plate 124 are enclosed the accommodating space, to accommodate camera lens
13.In the present embodiment, bottom plate 121, the first side plate 122, the second side plate 123 and third side plate 124 are integrally formed.Pedestal 12
Material can be plastics.
The short transverse of first side plate 122 is parallel to the optical axis direction of camera lens 13.First side plate 122 is towards the one of camera lens 13
The first protrusion 1221 is convexly equipped on side.The first card apertured 1222 is also opened up towards the side of camera lens 13 on first side plate 122.
First protrusion 1221 is used for and the outer peripheral surface of camera lens 13 is enclosed guide groove, to accommodate ball assembly 15.First is convex
The shape in portion 1221 is without limitation.In the present embodiment, at least one first protrusion 1221 includes being enclosed the first of guide groove
Support surface 1223, the first support surface 1223 are inclined for supporting ball assembly 15, opposite first side plate 122 in the first support surface 1223
Tiltedly.First protrusion 1221 includes at least one.In the present embodiment, the first protrusion 1221 includes two, first protrusion
1221 are located at first one end of side plate 122 far from third side plate 124, another first protrusion 1221 is located at the first side plate 122 and leans on
One end of nearly third side plate 124.
First card apertured 1222 is used to cooperate with the location structure of camera lens 13, prevents camera lens 13 with the optical axis of camera lens 13 for circle
Heart rotation.In the present embodiment, the first card apertured 1222 runs through the first side plate 122, and the first card apertured 1222 is the first side plate 122
It is separated into two sections.It is appreciated that can according to need, the first side plate 122 is separated into multistage.
The short transverse of second side plate 123 is parallel to the optical axis direction of camera lens 13.Second side plate 123 is towards the one of camera lens 13
The second protrusion 1231 is convexly equipped on side.Second side plate 123 also opens up the second card apertured 1232 towards the side of camera lens 13.
Second protrusion 1231 is used to be enclosed guide groove with the outer peripheral surface of camera lens 13, to accommodate ball assembly 15.Second is convex
The shape in portion 1231 is without limitation.In the present embodiment, at least one second protrusion 1231 includes being enclosed the second of guide groove
Support surface 1233, for supporting ball assembly 15,1233 second, opposite, side plate 123 of the second support surface inclines for the second support surface 1233
Tiltedly.Second protrusion 1231 includes at least one.In the present embodiment, the second protrusion 1231 includes two, second protrusion
1231 are located at second one end of side plate 123 far from third side plate 124, another second protrusion 1231 is located at the second side plate 123 and leans on
One end of nearly third side plate 124.
Second card apertured 1232 is used to cooperate with the location structure of camera lens 13, prevents camera lens 13 with the optical axis of camera lens 13 for circle
Heart rotation.In the present embodiment, the second card apertured 1232 runs through the second side plate 123, and the second card apertured 1232 is the second side plate 123
It is separated into two sections.It is appreciated that can according to need, the second side plate 123 is separated into multistage.
Third side plate 124 keeps the structure of pedestal 12 more firm, and whenever necessary, third side plate 124 can also install it
His element.It is appreciated that third side plate 124 can be omitted setting when not installing other elements on third side plate 124.
Bottom plate 121 is also used to carry for connecting the first side plate 122, the second side plate 123 and third side plate 124, bottom plate 121
Camera lens 13,121 center of bottom plate set through-hole so that light passes through.Protrusion 1211 can be set on bottom plate 121, to pass through and fix bullet
Property part 16.It is appreciated that the structure of the fixed elastic component 16 of bottom plate 121 is without limitation, can such as be connected through a screw thread to fix bullet
Property part 16.
Referring to Fig. 4, the shape of shell 11 is without limitation, shell 11 is used to provide protection to entire lens assembly 10 and prevent
Dirt avoids dust from entering lens assembly 10, and avoids damage to the components inside shell 11.The material of shell 11 without limitation,
It such as can be plastics or metal, when the material of shell 11 is metal, the material of shell 11 can be the metals such as stainless steel, copper.
Shrinkage pool 111 is offered on shell 11, shrinkage pool 111 is used to expose the element for needing to connect in shell 11 with the external world.The shape of shrinkage pool 111
Shape and position are without limitation.
Also referring to Fig. 5, Fig. 6 and Fig. 7, camera lens 13 is between shell 11 and pedestal 12.The optical axis direction of camera lens 13
Vertical with bottom plate 121, the optical axis direction of the camera lens 13 is parallel with first side plate 122, the second side plate 123 respectively.Camera lens
13 short transverse is parallel to the optical axis direction of camera lens 13.The opposite two sides of camera lens 13 are reversely convexly equipped with and 1221 phase of the first protrusion
Pair third protrusion 131 and fourth protrusion 132 opposite with the second protrusion 1231, the opposite two sides of camera lens 13 are also reversely convexly equipped with
First positioning region 133 opposite with the first card apertured 1222 and second positioning region 134 opposite with the second card apertured 1232.First
The first guide groove is enclosed between first support surface 1223 of protrusion 1221, third protrusion 131, the first side plate 122 and camera lens 13
135, it is enclosed between the second support surface 1233 of the second protrusion 1231, the 4th protrusion 132, the second side plate 123 and camera lens 13
A ball assembly 15 is respectively set in second guide groove 136, the first guide groove 135 and the second guide groove 136.Incline the first support surface 1223
Tiltedly in the first side plate 122, the vertically power with the first support surface 1223 of ball assembly 15 1 is given in the first support surface 1223, in ball
When component 15 is pre-compacted, three faces can be made to give ball pressure, ball assembly 15 will not shake, and camera lens 13 is in the light along camera lens 13
Axis direction is not easy to shake when mobile.Second support surface 1233 favours the second side plate 123, and ball assembly is given in the second support surface 1233
15 1 vertically the power with the second support surface 1,233 three faces can be made to give ball pressure when ball assembly 15 is pre-compacted, roll
Pearl component 15 will not shake, and camera lens 13 is not easy to shake when the optical axis direction along camera lens 13 moves.The setting of first positioning region 133 exists
In first card apertured 1222, the second positioning region 134 is arranged in the second card apertured 1232.Driving protrusion is additionally provided on camera lens 13
137, driving protrusion 137 is used for and shape memory alloy wire 14 connects.
The shape of third protrusion 131 is without limitation.In the present embodiment, camera lens 13 forms corresponding the in third protrusion 131
A pair of orthogonal third support surface 1311 of the setting of one support surface 1223.First support surface 1223 is relative to each third
Support surface 1311 is obliquely installed.The quantity of third protrusion 131 and the quantity of the first protrusion 1221 are equal, therefore include at least one the
One guide groove 135.In the present embodiment, the quantity of third protrusion 131 includes two.The position of each third protrusion 131 respectively and
The position of one the first protrusion 1221 is corresponding.Each third protrusion 131 is collectively formed one with corresponding first protrusion 1221
First guide groove 135, to form two the first guide grooves 135 altogether.One the first guide groove 135 is located at the first side plate 122 close to third
One end of side plate 124, another first guide groove 135 are located at first one end of side plate 122 far from third side plate 124.
The shape of 4th protrusion 132 is without limitation.In the present embodiment, camera lens 13 corresponding with the 4th formation of protrusion 132
A pair of orthogonal 4th support surface 1321 of the setting of four support surfaces 1321.Second support surface 1333 relative to each the 4th
Support surface 1321 is obliquely installed.The quantity of 4th protrusion 132 and the quantity of the second protrusion 1231 are equal, therefore include at least one the
Two guide grooves 136.In the present embodiment, the quantity of the 4th protrusion 132 includes two.The position of each 4th protrusion 132 respectively and
The position of one the second protrusion 1231 is corresponding.Each 4th protrusion 132 is collectively formed one with corresponding second protrusion 1231
Second guide groove 136 forms two the second guide grooves 136 altogether.One the second guide groove 136 is located at the second side plate 123 close to third side plate
124 one end, another second guide groove 136 are located at second one end of side plate 123 far from third side plate 124.
First positioning region 133 and third protrusion 131 are located at the same side of camera lens 13.Deviate camera lens 13 in the first positioning region 133
Center.The shape of first positioning region 133 is without limitation.The shape of the side wall of first positioning region 133 can be with the first card apertured
The shape of 1222 side wall is consistent, so that the side wall of the first positioning region 133 and the first card apertured 1222 is bonded.In the present embodiment
In, the side wall of side wall and first card apertured 1222 of first positioning region 133 far from third side plate 124 is bonded.Due to the first positioning
The center that portion 133 deviates camera lens 13 can play foolproof function when installing camera lens 13.It is appreciated that can also be by adjusting the
The shape or size of one card apertured 1222 make side wall and first card apertured 1222 of first positioning region 133 close to third side plate 124
Side wall fitting, or be bonded the two side walls of the first positioning region 133 with the side wall of the first card apertured 1222 respectively, the first positioning
Portion 133 deviates the center of camera lens 13, can equally play foolproof function.
Second positioning region 134 and the 4th protrusion 132 are located at the same side of camera lens 13.Deviate camera lens 13 in the second positioning region 134
Center.The shape of second positioning region 134 is without limitation.The shape of the side wall of second positioning region 134 can be with the second card apertured
The shape of 1232 side wall is consistent, so that the side wall of the second positioning region 134 and the second card apertured 1232 is bonded.In the present embodiment
In, the side wall of side wall and first card apertured 1222 of second positioning region 134 far from third side plate 124 is bonded.Due to the second positioning
The center that portion 134 deviates camera lens 13 can play foolproof function when installing camera lens 13.It is appreciated that can also be by adjusting the
The shape or size of two card apertured 1232 make side wall and first card apertured 1222 of second positioning region 134 close to third side plate 124
Side wall fitting, or be bonded the two side walls of the second positioning region 134 with the side wall of the second card apertured 1232 respectively, the second positioning
Portion 134 deviates the center of camera lens 13, can equally play foolproof function.
Referring to Fig. 8, driving protrusion 137 is located at side of the camera lens 13 far from third side plate 124.Driving protrusion 137 includes V
Type end 1371, shape memory alloy wire 14 are contacted with the cooperation of the V-type end 1371 of the camera lens 13.
Referring to Fig. 9, ball assembly 15 includes the first ball assembly 151 and the second ball assembly 152, the first ball assembly
The sum of quantity of 151 quantity and the second ball assembly 152 is equal to the quantity of the first guide groove 135 and the quantity of the second guide groove 136
The sum of.First ball assembly 151 includes at least one, and the second ball assembly 152 can be zero, that is, is not provided with the second ball set
Part 152.First ball assembly 151 is located in the first guide groove 135 and/or in the second guide groove 136, and the second ball assembly 152 is located at
In first guide groove 135 and/or in the second guide groove 136.In the present embodiment, the first ball assembly 151 includes two, the second ball
Component 152 includes two.One first rolling is respectively set in one of them the first guide groove 135 and one of them second guide groove 136
Second ball is respectively set in pearl component 151, the first guide groove of another one 135 and the second guide groove of another one 136
Component 152.Specifically, being located at setting one in first guide groove 135 of one end of the separate third side plate 124 of the first side plate 122
First ball assembly 151 is arranged another in second guide groove 136 of one end of the separate third side plate 124 of the second side plate 123
A first ball assembly 151；One is arranged in first guide groove 135 of one end of third side plate 124 positioned at the first side plate 122
Another is arranged in second guide groove 136 of one end of third side plate 124 positioned at the second side plate 123 in second ball assembly 152
Second ball assembly 152.
First ball assembly 151 includes the first ball 1511 for contacting with each other and to the second ball 1512.In the present embodiment,
First ball 1511 includes at least two, and the second ball 1512 includes at least one, each second ball 1512 is arranged in phase
Between adjacent two the first balls 1511, the diameter of the first ball 1511 is greater than the diameter of second ball 1512.Second ball
1512 and first ball 1511 diameter ratio without limitation, in one embodiment, the diameter of the second ball 1512 can be
0.05-0.8 times of first ball, 1511 diameter.In the present embodiment, the first ball assembly 151 includes two the first balls 1511
With second ball 1512, second ball 1512 is located between two the first balls 1511,1512 He of the second ball
Two the first ball 1511 contacts.Since the diameter of the second ball 1512 is less than the diameter of the first ball 1511, size ball is mixed
Closing setting can prevent that suitable 15 length of ball assembly cannot be reached using only the first ball 1511, such as use two the first balls
1511, total length shared by two balls cannot still reach requirement, but the length of the first guide groove 135 not enough accommodates three the simultaneously
One ball 1511, the use of the second ball 1512 are adjustable the total length of the first ball assembly 151, and can also adjust the first ball
The transverse width of component 151.It is to be appreciated that as needed, also can be set multiple second between two the first balls 1511
Ball 1512.
Second ball assembly 152 includes at least one third ball 1521, and the diameter of third ball 1521 is without limitation.?
In the present embodiment, the second ball assembly 152 includes a third ball 1521, and the diameter of third ball 1521 can be equal to first
The diameter of ball 1511.As needed, the second ball assembly 152 can be omitted.Two the first ball assemblies 151 are only set, no
The first ball assembly 151 guidance camera lens 13 is influenced to slide along the optical axis direction opposite base 12 of camera lens 13.
Referring to Fig. 10, shape memory alloy wire 14 is preferably in " V "-shape, shape memory alloy wire 14 includes being connected to base
Two ends 141 of seat 12 and the V-type between two ends 141 drive end 142, and the V-type of shape memory alloy wire 14 drives end
142 contact with the cooperation of the V-type end 1371 of camera lens 13.Plane where shape memory alloy wire 14 is parallel to the optical axis of camera lens 13
Direction.When the electric current heating that shape memory alloy wire 14 is passed through, shape memory alloy wire 14 shrinks deformation to produce
Raw deformation force, since two ends 141 of shape memory alloy wire 14 are fixedly attached to pedestal 12, shape memory alloy wire 14 is generated
Deformation force by V-type drive end 142 be applied on the driving protrusion 137 of camera lens 13, camera lens 13 is in the first ball assembly 151
Optical axis direction opposite base 12 under the guidance of (or the first ball assembly 151 and second ball assembly 152) along camera lens 13 moves,
To adjust the focal length of camera lens 13.By adjusting the size of current that shape memory alloy wire 14 passes through, shape-adjustable memory is closed
The deflection of gold thread 14, so as to adjust the moving distance of camera lens 13.The material of shape memory alloy wire 14 is without limitation.This implementation
In example, the material of shape memory alloy wire 14 may include Nitinol, and the diameter of shape memory alloy wire 14 is preferably 10 μm
~50 μm.It is appreciated that two ends 141 of shape memory alloy wire 14 can also be fixed on camera lens, shape memory alloy wire
14 V-type driving end 142 and the cooperation contact of pedestal 12, equally can drive camera lens to move along the optical axis direction of camera lens.
Figure 11 is please referred to, lens assembly 10 further includes the first conduct piece 17 and the second conduct piece 18, and the first conduct piece 17 is solid
It is scheduled on the end face far from the bottom plate 121 of the first side plate 122, an end of the first conduct piece 17 and shape memory alloy wire 14
End 141 is fixedly connected and is electrically connected, and the second conduct piece 18 is fixed on the separate bottom plate 121 of second side plate 123
On end face, the second conduct piece 18 is fixedly connected and is electrically connected with another end 141 of shape memory alloy wire 14, the first side plate
The 122 and height h1 of 17 junction of the first conduct piece is greater than or equal to the one third of 13 height of camera lens, the second side plate 123 and the
The height h2 of two conduct pieces, 18 junction is greater than or equal to the one third of 13 height of camera lens.First conduct piece 17 and second is conductive
The height of the junction of part 18 and shape memory alloy wire 14 is substantially equal to the height of the first side plate 122, increases by the first side plate 122
With the height of 18 junction of height, the second side plate 123 and the second conduct piece of 17 junction of the first conduct piece, first can be reduced
The height of conduct piece 17 and the second conduct piece 18, thus increase the intensity of the first conduct piece 17 and the second conduct piece 18, so that the
It is unlikely to deform after 18 stress of one conduct piece 17 and the second conduct piece.In the present embodiment, the first conduct piece 17 and the second conduct piece
18 can be conductive terminal or wiring clip.The material of first conduct piece 17 and the second conduct piece 18 is all conductive metal.
Figure 12, Figure 13 and Figure 14 are please referred to, each elastic component 16 includes opposite both ends, and the one of each elastic component 16
The bottom plate 121 of end and pedestal 12 connects, and the other end is connected with one end of the close bottom plate 121 of camera lens 13.In the present embodiment, two
A elastic component 16 is symmetrical arranged about the geometric center of camera lens 13.One end ratio of the bottom plate 121 of elastic component 16 and pedestal 12 connection
The other end is farther away from shape memory alloy wire 14.When installing elastic component 16, elastic component 16 connects with bottom plate 121, camera lens 13
Connect, when shape memory alloy wire 14 is not powered, 16 predeformation of elastic component deformation, elastic component 16 provide lateral pressure by camera lens 13,
Ball assembly 15 and pedestal 12 compress, so that three faces to ball assembly 15 generate precompression, ball assembly will not be shaken.By
It is located at the side of camera lens 13 in shape memory alloy wire 14, deforms in shape memory alloy wire 14, make camera lens 13 along camera lens
When 13 optical axis direction is mobile, 13 1, camera lens upward power F1 can be given, and generate an anticlockwise torque F2, and two
Elastic component 16 is deformed by the drive of camera lens 13, and two elastic components 16 can be to power F3 of the bottom one towards bottom plate 121 of camera lens 13
To the power F4 at 13 center of camera lens, two elastic components 16 give the power energy and anticlockwise balance F2 of camera lens 13, meanwhile, two bullets
Property part 16 can drive 13 bottom of camera lens, the first ball assembly 151, pedestal 12 side plate be in close contact, to prevent camera lens 13 from existing
It deflects in moving process, ensure that the stability of camera lens 13.
In the present embodiment, the structure of two elastic components 16 is consistent, and the present embodiment only carries out the structure of an elastic component 16
Explanation.
Please refer to Figure 15, elastic component 16 includes arc ontology 161 and is respectively connected to the first solid of 161 both ends of arc ontology
Fixed end 162 and the second fixing end 163, the first fixing end 161 and bottom plate 121 connect, and the second fixing end 162 and camera lens 13 are the bottom of close to
One end of plate 121 connects, and for the second fixing end 163 close to the edge of the camera lens, the second fixing end 163 is the edge away from camera lens 13
Distance be less than the vertical length direction length of camera lens 13 a quarter.Second fixing end 163 of each elastic component 16 with
It further include bending part 164 between arc ontology 161, bending part 164 is from arc ontology 161 along the direction far from another elastic component 16
Extend.Bending part 164 is " U "-shaped.
Arc ontology 161 is bent towards camera lens 13.The width and thickness of arc ontology without limitation, can be according to elastic component
Need to provide the width and thickness of the size reasonable setting arc ontology of power when 16 deformation.161 arcs of arc ontology, make arc
Ontology 161 can give the anti-clockwise torque of camera lens 13 with lesser dynamic balance shape memory alloy wire 14.
The first mounting hole 1621 is opened up in first fixing end 162, the first mounting hole 1621 is for consolidating the first fixing end 162
It is scheduled on bottom plate 121.First mounting hole 1621 can be through-hole.Protrusion 1211 on first mounting hole 1621 and bottom plate 121 is matched
It closes to fix the first fixing end 162.
The second mounting hole 1631 is opened up in second fixing end 163, the second mounting hole 1631 is for consolidating the second fixing end 163
It is scheduled on camera lens 13.Second mounting hole 1631 can be through-hole.
Please refer to Figure 16, lens assembly 10 further includes multiple being located at the separate of the first guide groove 135 and the second guide groove 136
The block piece 19 of one end of bottom plate 121.Specifically, 19 one end of block piece and the connection of the first side plate 122 or the second side plate 123, resistance
The other end of block piece 19 is located at the first guide groove 135 or second one end of guide groove 136 far from bottom plate 121.Block piece 19 can prevent
Ball assembly 15 in one guide groove 135 or the second guide groove 136, which rolls out, to be come.Block piece 19 is fixed on the first side plate 122 or second side
The position of plate 123 without limitation, can stop ball assembly 15.
Lens assembly 10 further includes several rebound part (not shown), along camera lens on the one end of camera lens 13 far from bottom plate 121
13 optical axis direction opens up several accommodating holes 20, and accommodating hole 20 is blind hole.Part is sprung back to be arranged in corresponding accommodating hole 20, it is each
One rebound part of setting should when one end of one block piece 19 and the first side plate 122 or the second side plate 123 connect in a accommodating hole 20
The other end of block piece 19 extends to the position opposite with accommodating hole 20.Specifically, in the present embodiment, the one of a block piece 19
When end is located at the one end of the first guide groove 135 or the second guide groove 136 far from bottom plate 121, one end of the block piece 19 is also located at an appearance
The one end of hole 20 far from bottom plate 121 is set, part is sprung back far from one end of camera lens 13 and is fixed to block piece 19.Block piece 19 can be prevented simultaneously
Non-return bullet part drops out out of accommodating hole 20, prevents ball assembly 15 from the ball assembly in the first guide groove 135 or the second guide groove 136
15 roll out.In the present embodiment, accommodating hole 20 includes two, and rebound part includes two, is located remotely from the first of third side plate 124
The block piece 19 of 135 one end of guide groove setting is lower to be arranged an accommodating hole 20, is located remotely from the second guide groove 136 1 of third side plate 124
Another accommodating hole 20 of the lower setting of the block piece 19 of end setting, two rebound parts are preferably helical spring, are located at an accommodating hole
In 20.Rebound part is pre-compressed when being mounted in accommodating hole 20, and when shape memory alloy wire 14 is not powered, rebound part also can
It gives camera lens 13 restoring force, is pressed in camera lens 13 on the bottom plate 121 of pedestal 12.Part is sprung back when shape memory alloy wire 14 is powered,
Restoring force also is provided to camera lens when camera lens 13 moves.
Figure 17 is please referred to, convex closure is arranged close to the side of accommodating hole 20 in block piece 19, and convex closure connects for setting rebound part contact
It connects.Springing back part includes spring, and spring is fastened on convex closure close to one end of convex closure.
Figure 18 is please referred to, lens assembly 10 further includes magnet 21 and sensor (not shown), and magnet is set to the camera lens
The side of close third side plate 124 on 13, sensor are set on pedestal 12, and sensor is used to sense the position of magnet to feel
Survey the position of camera lens 13.When magnet and camera lens 13 connect, it can slot on camera lens 13, to accommodate magnet.Sensor is preferably suddenly
That sensor.
Lens assembly 10 further includes circuit board 22, and the third side plate 124 of circuit board and pedestal 12 connects, and circuit board 22 is located at
Side of the third side plate 124 far from camera lens 13, circuit board 22 are also located between camera lens 13 and shell 11.Circuit board 22 and sensor
It being electrically connected, circuit board 22 includes pad 221, and the shrinkage pool 111 opened up on shell 11 is used to expose the pad 221 on circuit board,
It is avoided that short circuit occurs for circuit board.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (13)
1. a kind of lens assembly, it is characterised in that: the lens assembly includes pedestal, the camera lens of installation to the pedestal, driving
Device and the first ball assembly, the driving device are connected between the pedestal and the camera lens, first ball assembly
The relatively described pedestal sliding of optical axis direction between the camera lens and the pedestal for guiding the camera lens along camera lens is set,
First ball assembly includes the first ball and the second ball to contact with each other, and the diameter of first ball is greater than described the
The diameter of two balls, the driving device can drive the camera lens to move along the optical axis direction of camera lens.
2. lens assembly according to claim 1, it is characterised in that: first ball assembly includes two the first balls
With second ball, second ball is located between two the first balls, and second ball and two the first balls connect
Touching.
3. lens assembly according to claim 1, it is characterised in that: the pedestal includes that bottom plate is opposite with from bottom plate
The first side plate that two sides each extend over, the second side plate, the bottom plate, first side plate and second side plate are enclosed
Accommodating space；The camera lens is mounted in the accommodating space, and the optical axis direction of the camera lens is vertical with the bottom plate, the mirror
The optical axis direction of head is parallel with first side plate, the second side plate respectively.
4. lens assembly according to claim 3, it is characterised in that: first side plate is towards on the side of the camera lens
Be convexly equipped with the first protrusion, the side of the second side plate towards the camera lens is convexly equipped with the second protrusion, the camera lens it is opposite two
Side is reversely convexly equipped with the third protrusion opposite with the first protrusion and fourth protrusion opposite with the second protrusion, first protrusion,
Be enclosed the first guide groove between third protrusion, the first side plate and camera lens, second protrusion, the 4th protrusion, the second side plate and
It is enclosed the second guide groove between camera lens, the first ball assembly is respectively set in first guide groove and second guide groove.
5. lens assembly according to claim 4, it is characterised in that: first protrusion, the second protrusion, third protrusion,
4th protrusion, the first guide groove and the second guide groove respectively include two, and the lens assembly further includes the second ball assembly, and described
Two ball assemblies include at least one third ball, are divided in one of them described first guide groove and one of them described second guide groove
First ball assembly is not set, is respectively set in the second guide groove described in the first guide groove described in another one and another one
Two ball assemblies.
6. lens assembly according to claim 5, it is characterised in that: first protrusion is equipped with for supporting the first ball
First support surface of component, second protrusion are equipped with the second support surface for supporting the second ball assembly, the camera lens pair
A pair of orthogonal third support surface of the first support surface setting is answered, the corresponding second support surface setting of the camera lens is a pair of mutually to hang down
The 4th straight support surface, first support surface are obliquely installed relative to each third support surface, second support surface phase
Each the 4th support surface is obliquely installed.
7. lens assembly according to claim 1, it is characterised in that: the lens assembly further includes shell and circuit board,
The shell, circuit board are connected with the pedestal respectively, and the camera lens is between the shell and the pedestal, the circuit
For plate between the camera lens and the shell, the circuit board includes pad, and shrinkage pool is opened up on the shell, and the shrinkage pool is used
Pad on the exposing circuit board.
8. lens assembly according to claim 3, it is characterised in that: the driving device includes shape memory alloy wire,
When the memory alloy wire is powered, the memory alloy wire deforms to drive the camera lens to move along the optical axis direction of camera lens
It is dynamic.
9. lens assembly according to claim 8, it is characterised in that: the shape memory alloy wire is in " V "-shape, described
Shape memory alloy wire includes two ends for being connected to the pedestal and the V-type driving end between two ends, the camera lens
On be provided with driving protrusion, the driving protrusion includes V-type end, the V-type of the shape memory alloy wire drive end with it is described
The V-type end of camera lens cooperates contact.
10. lens assembly according to claim 9, it is characterised in that: the lens assembly further include the first conduct piece and
Second conduct piece, first conduct piece are fixed on the end face far from the bottom plate of first side plate, and described first leads
Electric part is fixedly connected and is electrically connected with an end of shape memory alloy wire, and second conduct piece is fixed on described second side
On the end face far from the bottom plate of plate, second conduct piece is fixedly connected with another end of shape memory alloy wire and electricity
Property connection.
11. lens assembly according to claim 10, it is characterised in that: first side plate, the second side plate and camera lens
Short transverse is parallel to the optical axis direction of the camera lens, and first side plate and the height of first conduct piece junction are greater than
Or the one third equal to the camera lens height, the height of second side plate and second conduct piece junction are greater than or wait
In the one third of the camera lens height.
12. lens assembly according to claim 3, it is characterised in that: the lens assembly further includes a pair of resilient members, institute
Elastic component is stated between the camera lens and the bottom plate, one end of each elastic component is connected with the bottom plate, described
The other end of elastic component is connected with one end of the lens assembly towards the bottom plate.
13. lens assembly according to claim 4, it is characterised in that:
The camera lens further includes the resistance of multiple one end far from the bottom plate for being located at first guide groove and the second guide groove
Block piece；
Or the lens assembly further includes several rebound parts and multiple is located at the remote of first guide groove and the second guide groove
The block piece of one end from the bottom plate, the camera lens open up several accommodatings far from the optical axis direction on one end of bottom plate along camera lens
Hole, the rebound part are arranged in corresponding accommodating hole, and one end of the block piece and first side plate or the second side plate connect
It connects, the other end of the block piece is located at the one end of the accommodating hole far from bottom plate, and the described one end of rebound part far from camera lens is solid
The fixed extremely block piece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/089718 WO2020243855A1 (en) | 2019-06-01 | 2019-06-01 | Lens assembly |
| CNPCT/CN2019/089718 | 2019-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110261987A true CN110261987A (en) | 2019-09-20 |
| CN110261987B CN110261987B (en) | 2022-10-25 |
Family
ID=67917044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488231.4A Expired - Fee Related CN110261987B (en) | 2019-06-01 | 2019-06-05 | Lens assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110261987B (en) |
| WO (1) | WO2020243855A1 (en) |
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| CN110913099A (en) * | 2019-10-28 | 2020-03-24 | 华为技术有限公司 | Camera module and terminal |
| CN111580324A (en) * | 2020-06-08 | 2020-08-25 | 昆山联滔电子有限公司 | Voice coil motor |
| CN114460788A (en) * | 2020-11-02 | 2022-05-10 | 阿尔卑斯阿尔派株式会社 | Lens driving device and camera module |
| WO2022121057A1 (en) * | 2020-12-08 | 2022-06-16 | 诚瑞光学(深圳)有限公司 | Lens driving device |
| CN114761870B (en) * | 2019-11-29 | 2023-10-24 | Lg伊诺特有限公司 | Camera actuator and camera module including the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020243855A1 (en) | 2020-12-10 |
| CN110261987B (en) | 2022-10-25 |
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Effective date of registration: 20200423 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Applicant after: Raytheon solutions Pte. Ltd. Address before: No.8, 2f, No.85, Science Park Avenue, Cavendish Applicant before: AAC TECHNOLOGIES Pte. Ltd. |
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