CN107479165A - Camera and its lens driving apparatus - Google Patents
Camera and its lens driving apparatus Download PDFInfo
- Publication number
- CN107479165A CN107479165A CN201710813085.9A CN201710813085A CN107479165A CN 107479165 A CN107479165 A CN 107479165A CN 201710813085 A CN201710813085 A CN 201710813085A CN 107479165 A CN107479165 A CN 107479165A
- Authority
- CN
- China
- Prior art keywords
- chute
- support
- driving apparatus
- lens driving
- ball
- 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.)
- Pending
Links
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
- G02B7/10—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of lens driving apparatus, including pedestal and slide the support tube in pedestal, the internal perisporium of pedestal is provided with the first chute and the second chute axially extended, first chute is set up in parallel with the second chute, the first support ball is provided with first chute, first support sphere diameter is to protruding from the first chute, two second support balls are provided with second chute, second support sphere diameter is to protruding from the second chute, two second support ball is identical and circle center line connecting axially extends, support tube is provided with the first mating groove for coordinating the first chute to form the first slide rail and the second mating groove for coordinating the second chute the second slide rail of formation.In such a lens driving apparatus, supported at three point is used between pedestal and support tube, while relative Stable sliding between pedestal and support tube is ensured, the difficulty of processing of pedestal and support tube can be reduced.The invention discloses a kind of camera for including above-mentioned lens driving apparatus, the difficulty of processing of pedestal and support tube can be reduced.
Description
Technical field
The present invention relates to camera technique field, more particularly to a kind of lens driving apparatus.It is moreover, it relates to a kind of
Include the camera of above-mentioned lens driving apparatus.
Background technology
In current lens driving apparatus, including support tube and pedestal, support tube are used for fixed lens, can be relative to base
Seat slides along optical axis direction.In a kind of typical lens driving apparatus, six balls are provided between support tube and pedestal and are carried out
Support, what it was utilized is four-point supporting.
However, because ball quantity is more, to ensure the stationarity of support, it usually needs have to the guide rail where ball
Higher requirement on machining accuracy, to avoid the occurrence of multiple locating surfaces, the problems such as easily causing optical axis core shift, magnetic hysteresis.
Therefore, the difficulty of processing of pedestal and support tube how is reduced, is the skill that those skilled in the art need to solve at present
Art problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of lens driving apparatus, can reduce pedestal and support tube plus
Work difficulty.It is a further object of the present invention to provide a kind of camera for including above-mentioned lens driving apparatus, pedestal and branch can be reduced
Support the difficulty of processing of cylinder.
To achieve the above object, the present invention provides following technical scheme：
A kind of lens driving apparatus, including the support tube that pedestal and slip are located in the pedestal, the inner circumferential of the pedestal
Wall is provided with the first chute and the second chute axially extended, and first chute is set up in parallel with second chute, institute
State and the first support ball is provided with the first chute, the first support sphere diameter is to protruding from first chute, second chute
In be provided with two second support balls, the second support sphere diameter is to protruding from second chute, two the second support balls
Identical and circle center line connecting axially extends, and the support tube is provided with coordinate first chute to form the first slide rail first and matched somebody with somebody
Close groove and coordinate the second mating groove of the second slide rail of the second chute formation.
Preferably, the first locating slot is provided with first chute, first locating slot is relative to first chute
Radially it is recessed, the first support ball is located in first locating slot and coordinated with the first locating slot gap.
Preferably, the second locating slot is provided with second chute, second locating slot is relative to second chute
Radially it is recessed, two the second support balls are located in second locating slot, and in the axial direction, first locating slot
The corresponding centre position for being located at second locating slot.
Preferably, intermediate ball is additionally provided with second locating slot, the intermediate ball is located at two described second
Between supportting ball, and the diameter of the intermediate ball is less than the diameter of the described second support ball.
Preferably, the gear for second locating slot to be divided into two compartments is additionally provided with second locating slot
Block, each compartment is respectively provided with a second support ball and the compartment coordinates with the described second support sphere gap.
Preferably, first chute, second chute, first mating groove, second mating groove are V-arrangement
Groove or dovetail groove.
Preferably, the first support ball is identical with the described second support ball.
Preferably, in addition to the magnet on the support tube and the motor for driving the support tube motion, institute
State the Hall sensor that the changes of magnetic field for being used to detect the magnet is provided with motor.
A kind of camera, including lens driving apparatus, the lens driving apparatus are the camera lens as described in above-mentioned any one
Drive device.
In lens driving apparatus provided by the invention, by the first support ball and two second support balls in pedestal and support
Setting between cylinder, can realize the support between pedestal and support tube by way of supported at three point, ensure pedestal and branch
Between support cylinder while relative Stable sliding, the difficulty of processing of pedestal and support tube can be reduced, the first slide rail and second are slided
The requirement on machining accuracy of rail is relatively low, the problems such as can reducing optical axis core shift, magnetic hysteresis, improves the qualification rate of finished product.
The camera provided by the invention for including above-mentioned lens driving apparatus, the difficult processing of pedestal and support tube can be reduced
Degree.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the first explosive view of the specific embodiment of lens driving apparatus provided by the present invention；
Fig. 2 is the second explosive view of the specific embodiment of lens driving apparatus provided by the present invention；
Fig. 3 be lens driving apparatus provided by the present invention specific embodiment in support tube structural representation；
Fig. 4 be lens driving apparatus provided by the present invention specific embodiment in pedestal structural representation；
Fig. 5 is the in the specific embodiment of lens driving apparatus provided by the present invention first position for supporting ball and the second support ball
Put graph of a relation；
Fig. 6 is the first support ball in the another specific embodiment of lens driving apparatus provided by the present invention and the second support ball
Location diagram.
Fig. 1 is into Fig. 6：1- first supports ball, and 2- second supports ball, 3- support tubes, 4- pedestals, the mating grooves of 5- second, 6-
Second chute, 7- intermediate balls, the locating slots of 8- second, the locating slots of 9- first, 10- blocks, the chutes of 11- first, 12- first coordinate
Groove.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The core of the present invention is to provide a kind of lens driving apparatus, can reduce the difficulty of processing of pedestal and support tube.This
Another core of invention is to provide a kind of camera for including above-mentioned lens driving apparatus, can reduce the processing of pedestal and support tube
Difficulty.
Fig. 1 to Fig. 5 is refer to, Fig. 1 is the first explosive view of the specific embodiment of lens driving apparatus provided by the present invention；
Fig. 2 is the second explosive view of the specific embodiment of lens driving apparatus provided by the present invention；Fig. 3 drives for camera lens provided by the present invention
The structural representation of support tube in the specific embodiment of dynamic device；Fig. 4 is the specific reality of lens driving apparatus provided by the present invention
Apply the structural representation of pedestal in example；Fig. 5 is the first support ball in the specific embodiment of lens driving apparatus provided by the present invention
With the location diagram of the second support ball.
In a kind of specific embodiment of lens driving apparatus provided by the present invention, including pedestal 4 and it is slidably arranged in pedestal 4
Interior support tube 3.The internal perisporium of pedestal 4 is provided with the first chute 11 and the second chute 6, and the first chute 11 and the second chute 6 are equal
Axially extend, and the first chute 11 is set up in parallel with the second chute 6.
It is provided with the first support ball 1 in first chute 11, the first support radially protruding of ball 1 is in the first chute 11, correspondingly,
Support tube 3 is provided with the first mating groove 12 for coordinating the first chute 11 to form the first slide rail.I.e., diametrically, the first support ball 1
A part be located within the first chute 11, and another part is located at outside the first chute 11, and the first support ball 1 is convex for the
The part of one chute 11 is located in the first mating groove 12, so as to realize the first support ball 1 to the first chute 11, the first mating groove 12
Support.
Two second support balls 2 are provided with second chute 6, the second support radially protruding of ball 2 is in the second chute 6, accordingly
Ground, support tube 3 are provided with the second mating groove 5 for coordinating the second chute 6 to form the second slide rail.I.e., diametrically, the second support ball
2 part is located within the second chute 6, and another part is located at outside the second chute 6, and the second support ball 2 is convex for the
The part of two chutes 6 is located in the second mating groove 5, so as to realize branch of the second support ball 2 to the second chute 6, the second mating groove 5
Support.Meanwhile two second support balls 2 are identical and circle center line connecting axially extends, it thereby may be ensured that the second support ball 2 can be with
First support ball 1 coordinates the supported at three point realized between support tube 3 and pedestal 4.
It can be seen that in the present embodiment, by the first support ball 1 and two second support balls 2 between pedestal 4 and support tube 3
Setting, the support between pedestal 4 and support tube 3 can be realized by way of supported at three point, is ensureing pedestal 4 and support tube
Between 3 while relative Stable sliding, the difficulty of processing of pedestal 4 and support tube 3 can be reduced, to the first slide rail and the second slide rail
Requirement on machining accuracy it is relatively low, the problems such as optical axis core shift, magnetic hysteresis can be reduced, improve the qualification rate of finished product.
On the basis of above-described embodiment, the first locating slot 9 can be provided with the first chute 11, the first locating slot 9 is relative
Radially it is recessed in the first chute 11, the first support ball 1 is arranged in the first locating slot 9 and coordinated with the gap of the first locating slot 9.
Setting for first locating slot 9 can be limited the scroll space of the first support ball 1, can further improve the first support ball
The stability of 1 support, avoids the first support ball 1 from deviating from the first slide rail.
On the basis of above-mentioned each embodiment, the second locating slot 8, the phase of the second locating slot 8 can be provided with the second chute 6
Radially it is recessed for the second chute 6, two second support balls 2 are located in the second locating slot 8, and in the axial direction, first is fixed
Position groove 9 is corresponding positioned at the centre position of the second locating slot 8.That is, the both ends of the second locating slot 8 in the axial direction are respectively with
The center connection of one locating slot 9 can form an isosceles triangle.When in use, vertically, the first support ball 1 substantially may be used
To support the middle part of ball 2 positioned at two second, so as to further improve the stability that pedestal 4 relatively moves with support tube 3,
In addition, the setting of the second locating slot 8 can avoid the second support ball 2 from deviating from the second slide rail.
In above-mentioned each embodiment, the depth relationship between the first locating slot 9 and the first chute 11 can be according to reality
Need to be configured, specifically, the depth of the first locating slot 9 can be less than the depth of the first chute 11.Similarly, the second positioning
Depth relationship between the chute 6 of groove 8 and second can be configured according to being actually needed, specifically, the depth of the second locating slot 8
The depth of the second chute 6 can be less than.
On the basis of above-described embodiment, intermediate ball 7 is also provided with the second locating slot 8, intermediate ball 7 is arranged on
Between two second support balls 2, and the diameter of intermediate ball 7 is less than the diameter of the second support ball 2.It is straight due to intermediate ball 7
Footpath is less than the second support ball 2, and intermediate ball 7 can not play a supportive role, and in the axial direction, intermediate ball 7 supports ball 2 by two second
Be spaced, two second support balls 2 can be avoided to be in contact in motion process friction, be advantageous to avoid the second support ball 2 it
Between mutually wear.
Or refer to Fig. 6, be also provided with the second locating slot 8 be used for by the second locating slot 8 be divided into two every
Between block 10, each compartment is respectively provided with one second support ball 2 and compartment and the second support ball 2 gap cooperation, i.e. passes through gear
Block 10 separates the two second support phases of ball 2, to avoid mutually wearing between the second support ball 2, meanwhile, can be to each second
Support ball 2 is distinguished spacing.
In above-mentioned each embodiment, the first chute 11, the second chute 6, the first mating groove 12, the second mating groove 5 can be with
It is V-shaped groove or dovetail groove, to support the shape of ball 2 to be adapted with the first support ball 1 or second.
In above-mentioned each embodiment, the first support ball 1 and second supports ball 2 to could be arranged to identical, with further
It is easy to process and chooses.
On the basis of above-mentioned each embodiment, the lens driving apparatus can also include the magnet on support tube 3
With the motor for driving support tube 3 to move, the Hall sensor of the changes of magnetic field for being used to detect magnet is provided with motor.In electricity
Machine driving support tube 3 move when, Hall sensor can by detect magnetic field of magnets change come judge the motion of support tube 3 away from
From, and then to motor transmission signal, motor is accurately positioned the position of support tube 3 by closed-loop control.
, should the invention also discloses a kind of camera for including above-mentioned lens driving apparatus except above-mentioned lens driving apparatus
Camera can reduce the difficulty of processing of pedestal 4 and support tube 3 as a result of above-mentioned lens driving apparatus.The camera other
The structure of each several part refer to prior art, repeat no more herein.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Camera provided by the present invention and its lens driving apparatus are described in detail above.Tool used herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this hair
Bright method and its core concept.It should be pointed out that for those skilled in the art, the present invention is not being departed from
On the premise of principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention
It is required that protection domain in.
Claims (9)
1. a kind of lens driving apparatus, including the support tube (3) that pedestal (4) and slip are located in the pedestal (4), its feature exist
In the internal perisporium of the pedestal (4) is provided with the first chute (11) and the second chute (6) that axially extend, and described first slides
Groove (11) is set up in parallel with second chute (6), in first chute (11) be provided with first support ball (1), described first
Ball (1) radially protruding is supported to be provided with two second support balls (2), institute in first chute (11), second chute (6)
The second support ball (2) radially protruding is stated in second chute (6), two second support balls (2) are identical and circle center line connecting
Axially extend, the support tube (3) is provided with the first mating groove for coordinating first chute (11) to form the first slide rail
(12) and cooperation second chute (6) forms the second mating groove (5) of the second slide rail.
2. lens driving apparatus according to claim 1, it is characterised in that it is fixed that first is provided with first chute (11)
Position groove (9), first locating slot (9) are radially recessed relative to first chute (11), and the first support ball (1) is set
Coordinate in first locating slot (9) and with the first locating slot (9) gap.
3. lens driving apparatus according to claim 2, it is characterised in that it is fixed that second is provided with second chute (6)
Position groove (8), second locating slot (8) are radially recessed relative to second chute (6), two the second support balls
(2) it is located in second locating slot (8), and in the axial direction, first locating slot (9) is corresponding positioned at the described second positioning
The centre position of groove (8).
4. lens driving apparatus according to claim 3, it is characterised in that in being additionally provided with second locating slot (8)
Between ball (7), the intermediate ball (7) is between two second supports balls (2), and the intermediate ball (7) is straight
Footpath is less than the diameter of the described second support ball (2).
5. lens driving apparatus according to claim 3, it is characterised in that be additionally provided with use in second locating slot (8)
In the block (10) that second locating slot (8) is divided into two compartments, each compartment is respectively provided with one described second
Support ball (2) and the compartment coordinates with described second support ball (2) gap.
6. lens driving apparatus according to claim 3, it is characterised in that first chute (11), described second are slided
Groove (6), first mating groove (12), second mating groove (5) are V-shaped groove or dovetail groove.
7. lens driving apparatus according to claim 6, it is characterised in that the first support ball (1) and described second
Support ball (2) identical.
8. according to the lens driving apparatus described in claim 1 to 7 any one, it is characterised in that also include being located at the branch
The magnet on cylinder (3) and the motor for driving the support tube (3) to move are supportted, is provided with the motor and is used to detect the magnetic
The Hall sensor of the changes of magnetic field of iron.
9. a kind of camera, including lens driving apparatus, it is characterised in that the lens driving apparatus is that claim 1 to 8 is any
Lens driving apparatus described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813085.9A CN107479165A (en) | 2017-09-11 | 2017-09-11 | Camera and its lens driving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813085.9A CN107479165A (en) | 2017-09-11 | 2017-09-11 | Camera and its lens driving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107479165A true CN107479165A (en) | 2017-12-15 |
Family
ID=60585137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813085.9A Pending CN107479165A (en) | 2017-09-11 | 2017-09-11 | Camera and its lens driving apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107479165A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123490A (en) * | 2019-12-30 | 2020-05-08 | Oppo广东移动通信有限公司 | Zoom lens, imaging module and electronic equipment |
| CN111929802A (en) * | 2020-09-27 | 2020-11-13 | 南昌欧菲光电技术有限公司 | Lens module, electronic equipment and vehicle-mounted equipment |
| WO2020243855A1 (en) * | 2019-06-01 | 2020-12-10 | 瑞声光学解决方案私人有限公司 | Lens assembly |
| CN112311976A (en) * | 2019-08-02 | 2021-02-02 | Oppo广东移动通信有限公司 | Imaging device and electronic apparatus |
| CN112394496A (en) * | 2019-08-02 | 2021-02-23 | Oppo广东移动通信有限公司 | Zoom lens, camera module and electronic device |
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| CN206309775U (en) * | 2016-06-20 | 2017-07-07 | 栾跃进 | The three slim ball slide rails of row alternating expression |
| CN206377422U (en) * | 2016-06-20 | 2017-08-04 | 栾跃进 | Three pearl column thin display support frames |
| CN106369048A (en) * | 2016-06-23 | 2017-02-01 | 南通联恒新材料有限公司 | Large multi-ball bearing |
| CN206136089U (en) * | 2016-10-17 | 2017-04-26 | 河南省皓泽电子有限公司 | Booth is apart from two camera closed loop drive arrangement of lens group |
| CN106716242A (en) * | 2016-10-24 | 2017-05-24 | 江西森阳科技股份有限公司 | Camera module |
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| WO2020243855A1 (en) * | 2019-06-01 | 2020-12-10 | 瑞声光学解决方案私人有限公司 | Lens assembly |
| CN112311976A (en) * | 2019-08-02 | 2021-02-02 | Oppo广东移动通信有限公司 | Imaging device and electronic apparatus |
| CN112394496A (en) * | 2019-08-02 | 2021-02-23 | Oppo广东移动通信有限公司 | Zoom lens, camera module and electronic device |
| CN111123490A (en) * | 2019-12-30 | 2020-05-08 | Oppo广东移动通信有限公司 | Zoom lens, imaging module and electronic equipment |
| CN111123490B (en) * | 2019-12-30 | 2022-08-16 | Oppo广东移动通信有限公司 | Zoom lens, imaging module and electronic equipment |
| CN111929802A (en) * | 2020-09-27 | 2020-11-13 | 南昌欧菲光电技术有限公司 | Lens module, electronic equipment and vehicle-mounted equipment |
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Effective date of registration: 20200115 Address after: No. 4-3-1, Yongtai Road, Renhe District, Panzhihua City, Sichuan Province Applicant after: Ruien photoelectric Co., Ltd Address before: 402160 Chongqing city Yongchuan District Xingguang Road No. 999, Fenghuang Lake Industrial Park, 6 2 building electronic five District Applicant before: Chongqing shine photoelectron Co., Ltd. |
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Application publication date: 20171215 |