CN104343920B - A kind of drive mechanism being applied to lens assembly - Google Patents
A kind of drive mechanism being applied to lens assembly Download PDFInfo
- Publication number
- CN104343920B CN104343920B CN201410538039.9A CN201410538039A CN104343920B CN 104343920 B CN104343920 B CN 104343920B CN 201410538039 A CN201410538039 A CN 201410538039A CN 104343920 B CN104343920 B CN 104343920B
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- CN
- China
- Prior art keywords
- lens assembly
- installing rack
- extension bar
- drive mechanism
- card extension
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a kind of drive mechanism being applied to lens assembly, including the fixing guide post being located in lens assembly and driving means, the Lens assembly installing rack that can be moved along it it is arranged with on guide post, connect in driving means and have drive screw, it is provided with transmission nut between drive screw and Lens assembly installing rack, transmission nut includes nut body, nut body side is provided with multiple teeth, opposite side is provided with and the shackle member of Lens assembly installing rack clamping, Lens assembly installing rack includes Lens assembly and fixes seat and clamping base, clamping base is provided with deep gouge, deep gouge bottom land is provided with through hole, shackle member includes the card extension bar through deep gouge and through hole, the end of card extension bar is provided with the lock part catching on clamping base, the spring being sheathed on card extension bar it is additionally provided with between deep gouge bottom land and nut body.Present configuration is simple, and easily, transmission accuracy is high in assembling, it is possible to ensures that the movement of Lens assembly is accurate, improves the optical characteristics of lens assembly.
Description
[technical field]
The present invention relates to a kind of lens assembly, a kind of lens assembly that is applied to
Drive mechanism.
[background technology]
At present, in lens assembly, the general kind of drive using drive screw and transmission nut is come real
The movement of existing Lens assembly, to reach the purpose of zoom.But, optical frames in the market
The transmission nut of head unit is usually whole circle helicitic texture, and the screw thread of whole circle is joined with drive screw
Close, it is easy to abrasion occurring, so that affecting the mobile accuracy of Lens assembly, affecting optical frames
The quality of head unit.
Chinese patent " a kind of nut being applied to optical zoom lens device " (CN 203796885
U) a kind of nut being applied to optical zoom lens device is disclosed, for transmission Lens assembly.
Although the nut of this structure subtracts relative to traditional whole circle screw nut during transmission
Lack the abrasion of nut thread, improve the mobile accuracy of Lens assembly, but open due to U-shaped
The both sides of mouth nut are to push down by torsion spring, and nut still there will be biography during screw motion
Dynamic wild effect.Although the application of this nut improves lens set relative to traditional whole ring nut
The mobile accuracy of part, but still can not reach the excelsior requirement of people, however it remains enter
The space that one step is improved.
Therefore, the present invention arises at the historic moment.
[summary of the invention]
The present invention seeks to overcome the deficiencies in the prior art, it is provided that one is applied to lens assembly
Drive mechanism.This drive mechanism simple in construction, easily, transmission accuracy is high in assembling, it is possible to protect
The movement of card Lens assembly is accurate, improves the optical characteristics of lens assembly.
The present invention is achieved by the following technical solutions:
A kind of drive mechanism being applied to lens assembly, it is characterised in that: include fixing being located at mirror
Guide post in head unit and driving means, described guide post is arranged with and can be moved along it
Lens assembly installing rack, described driving means connects and has the transmission spiral shell being driven by and rotate
Bar, is provided with between described drive screw and Lens assembly installing rack and Lens assembly installing rack card
The transmission nut connect and coordinate with drive screw, described transmission nut includes nut body, institute
The nut body side stated is provided with the teeth that multiple thread with drive screw coordinates, and opposite side sets
Having and the shackle member of Lens assembly installing rack clamping, described Lens assembly installing rack includes mirror
Chip module fixes seat and clamping base, and described clamping base is provided with deep gouge, described deep gouge
Bottom land is provided with through hole, and described shackle member includes the card extension bar through deep gouge and through hole, described
The end of card extension bar is provided with the lock part catching on clamping base after it passes through hole, and described is heavy
The spring being sheathed on card extension bar it is additionally provided with between groove bottom land and nut body.
It is applied to the drive mechanism of lens assembly as above, it is characterised in that: described card
Lock section includes that the open slot being located at card extension bar upper center, described side, card extension bar upper end also set
Projection, described projection is had to be provided with the guiding carrying out guiding when card extension bar is through through hole oblique
Face.
It is applied to the drive mechanism of lens assembly as above, it is characterised in that: described card
Connecing side on base and be provided with groove, described nut body is provided with the convex inserted in groove
Post, the distance between described positioning convex column and the cell wall of groove is less than the pitch of drive screw.
It is applied to the drive mechanism of lens assembly as above, it is characterised in that: described tooth
Tooth is 4.
It is applied to the drive mechanism of lens assembly as above, it is characterised in that: described tooth
The tooth of tooth is away from the pitch more than drive screw.
It is applied to the drive mechanism of lens assembly as above, it is characterised in that: described
It is positioned at teeth end on nut body and is respectively provided on two sides with the extension board downwardly extended.
It is applied to the drive mechanism of lens assembly as above, it is characterised in that: described drives
Dynamic device is motor.
Compared with prior art, the present invention has the following advantages: the transmission nut of the present invention and eyeglass
Component mounting block clamping, nut body side is provided with the tooth that multiple thread with drive screw coordinates
Tooth, drives when drive screw rotates transmission nut to move, thus drives Lens assembly installing rack
Guide post along lens assembly moves, and this completes the optical zoom of lens assembly, tooth
Tooth is located at the side of nut body, compared with prior art decreases transmission nut and drive screw
Driving contact area, decrease the abrasion of transmission nut, improve the mobile accuracy of Lens assembly,
And then improve the optical characteristics of lens assembly, it addition, Lens assembly installing rack is enclosed within guide post
Above and move along guide post, it is ensured that Lens assembly installing rack is mobile flat during movement
Surely, improve the mobile accuracy of Lens assembly, and then improve the optical characteristics of lens assembly；This
The card extension bar of invention passes the deep gouge on clamping base and through hole, and by the kayser of clamping boom end
Portion catches on clamping base, and is provided with spring between deep gouge bottom land and nut body, at nut
After card extension bar on body passes through hole, spring is compressed, and relies on the elastic force of spring to make spiral shell
Maternal body is connected firmly with Lens assembly installing rack and does not haves loosening, it is ensured that camera lens fills
The optical characteristics put keeps excellent.
[accompanying drawing explanation]
Fig. 1 is axonometric chart of the present invention；
Fig. 2 is that the present invention removes axonometric chart after guide post；
Fig. 3 is the exploded view of the present invention；
Fig. 4 is the part sectioned view of the present invention；
Fig. 5 is one of axonometric chart of transmission nut of the present invention；
Fig. 6 is the two of the axonometric chart of the transmission nut of the present invention；
Fig. 7 is the axonometric chart of the Lens assembly installing rack of the present invention.
[detailed description of the invention]
The invention will be further described below in conjunction with the accompanying drawings:
A kind of drive mechanism being applied to lens assembly, including fixing be located in lens assembly lead
To bar 1 and driving means 3, described driving means 3 is motor, on described guide post 1
Being arranged with the Lens assembly installing rack 2 that can be moved along it, described driving means 3 connects to be had
The drive screw 4 being driven by and rotate, described drive screw 4 and Lens assembly installing rack
It is provided with between 2 and Lens assembly installing rack 2 clamping the transmission nut that coordinates with drive screw 4
5, described transmission nut 5 includes that nut body 51, described nut body 51 side set
Having the teeth 52 that multiple and drive screw 4 thread coordinates, opposite side is provided with and Lens assembly
The shackle member 53 of installing rack 2 clamping, described Lens assembly installing rack 2 includes lens set
Part fixes seat 21 and clamping base 22, and described clamping base 22 is provided with deep gouge 23, institute
Deep gouge 23 bottom land stated is provided with through hole 24, described shackle member 53 include through deep gouge 23 and
The card extension bar 531 of through hole 24, the end of described card extension bar 531 is provided with at it through through hole
The lock part 532 of clamping base 22, described deep gouge 23 bottom land and nut body is caught on after 24
The spring 6 being sheathed on card extension bar 531 it is additionally provided with between 51.On described clamping base 22
It is provided with the slide opening 26 passed for guide post 1 so that Lens assembly installing rack 2 can be along guide post 1
Upper movement.Teeth 52 are located at the side of nut body 51, compared with prior art decrease biography
Dynamic nut 5 and the driving contact area of drive screw 4, decrease the abrasion of transmission nut 5,
The mobile accuracy of raising Lens assembly, and then improve the optical characteristics of lens assembly, it addition,
Lens assembly installing rack 2 is enclosed within guide post 1 and moves along guide post 1, it is ensured that lens set
Part installing rack 2 is mobile steady during movement, improves the mobile accuracy of Lens assembly, enters
And improve the optical characteristics of lens assembly；Card extension bar 531 is through sinking on clamping base 22
Groove 23 and through hole 24, and caught on clamping base 22 by the lock part 532 of card extension bar 531 end,
And it is provided with spring 6 between deep gouge 23 bottom land and nut body 51, at nut body 51
On card extension bar 531 through after through hole 24, spring 6 is compressed, the bullet of dependence spring 6
Power makes nut body 51 be connected firmly with Lens assembly installing rack 2 and does not haves loosening,
Ensure that the optical characteristics of lens assembly keeps excellent.
Described lock part 532 includes the open slot 5321 being located at card extension bar 531 upper center,
Described side, card extension bar 531 upper end is additionally provided with projection 5322, and described projection 5322 sets
There is the guiding surface 5323 carrying out guiding when card extension bar 531 is through through hole 24.Such knot
Structure makes transmission nut 5 easy with Lens assembly installing rack 2 clamping fashionable dress complexion, only need to be by spring
6 are enclosed within card extension bar 531, are then aligned with through hole 24, promote nut body 51, projection 5322
On guiding surface 5323 contact with the hole wall of through hole 24, due to card extension bar 531 upper center
It is provided with open slot 5321, so card extension bar 531 upper end occurs elastic deformation, open slot 5321
Narrowing, after projection 5322 all stretches out from through hole 24, card extension bar 531 upper end occurs multiple
Position, open slot 5321 reinstatement, projection 5322 then catches on clamping base 22, the most just
Completing the clamping of transmission nut 5 and Lens assembly installing rack 2, it is the most convenient to assemble, and turns and join
Spring 6 in rear deep gouge 23 is in compressive state, so relies on the elastic force of spring 6 to make spiral shell
Maternal body 51 is connected firmly with Lens assembly installing rack 2 and does not haves loosening, it is ensured that mirror
Chip module installing rack 2 is steady during movement, it is ensured that the optical characteristics of lens assembly is protected
Hold excellent.
On described clamping base 22, side is provided with groove 25, on described nut body 51
It is provided with the positioning convex column 54 inserted in groove 25, described positioning convex column 54 and groove 25
Distance between cell wall is less than the pitch of drive screw 4.Positioning convex column 54 is inserted into groove 25
In, and the distance between described positioning convex column 54 and the cell wall of groove 25 is less than transmission spiral shell
The pitch of bar 4, when Lens assembly installing rack 2 stops suddenly during movement, location
Projection 54 can make Lens assembly installing rack 2 position, and stops the used of Lens assembly installing rack 2
Property move, prevent Lens assembly installing rack 2 because inertia moves and makes opening of card extension bar 531 end
Mouth groove 5321 deforms and causes card extension bar 531 to be deviate from clamping base 22, it is ensured that transmission
Stability and the reliability of lens assembly.
Described teeth 52 are 4.The tooth of described teeth 52 is away from more than drive screw 4
Pitch.While meeting transmission requirement, thus decrease transmission nut 5 and transmission spiral shell as far as possible
The driving contact area of bar 4, decreases the abrasion of transmission nut 5, improves the shifting of Lens assembly
Dynamic precision, and then improve the optical characteristics of lens assembly.
Described nut body 51 is positioned at teeth 52 end be respectively provided on two sides with and downwardly extend
Extension board 55.The extension board 55 downwardly extended is positioned at the both sides of drive screw 4, also functions to
The effect guided, so makes the transmission nut 5 to operate steadily during movement, finally
Improve the optical property of lens assembly.
Claims (7)
1. the drive mechanism being applied to lens assembly, it is characterised in that: include fixing
The guide post (1) being located in lens assembly and driving means (3), described guide post (1)
On be arranged with the Lens assembly installing rack (2) that can be moved along it, described driving means (3)
Upper connection has a drive screw (4) being driven by and rotate, described drive screw (4) with
It is provided with between Lens assembly installing rack (2) and Lens assembly installing rack (2) clamping and transmission
The transmission nut (5) that screw rod (4) coordinates, described transmission nut (5) includes nut body
(51), described nut body (51) side is provided with multiple and drive screw (4) thread
The teeth (52) coordinated, opposite side is provided with and the shackle member of Lens assembly installing rack (2) clamping
(53), described Lens assembly installing rack (2) include Lens assembly fix seat (21) and
Clamping base (22), described clamping base (22) is provided with deep gouge (23), and described is heavy
Groove (23) bottom land is provided with through hole (24), and described shackle member (53) includes through deep gouge (23)
And the card extension bar (531) of through hole (24), the end of described card extension bar (531) is provided with
It catches on the lock part (532) of clamping base (22) after passing through hole (24), described is heavy
It is additionally provided with between groove (23) bottom land and nut body (51) and is sheathed on card extension bar (531)
Spring (6).
The drive mechanism being applied to lens assembly the most according to claim 1, it is special
Levy and be: described lock part (532) includes being located at opening of card extension bar (531) upper center
Mouth groove (5321), described card extension bar (531) side, upper end is additionally provided with projection (5322),
Described projection (5322) is provided with and carries out when card extension bar (531) is through through hole (24)
The guiding surface (5323) guided.
The drive mechanism being applied to lens assembly the most according to claim 1, it is special
Levy and be: the upper side of described clamping base (22) is provided with groove (25), described nut
Body (51) is provided with the positioning convex column (54) inserted in groove (25), described location
Distance between the cell wall of projection (54) and groove (25) is less than the spiral shell of drive screw (4)
Away from.
The drive mechanism being applied to lens assembly the most according to claim 1, it is special
Levy and be: described teeth (52) are 4.
The drive mechanism being applied to lens assembly the most according to claim 4, it is special
Levy and be: the tooth of described teeth (52) is away from the pitch more than drive screw (4).
The drive mechanism being applied to lens assembly the most according to claim 1, it is special
Levy and be: on described nut body (51), be positioned at teeth (52) both sides, end set respectively
There is the extension board (55) downwardly extended.
The drive mechanism being applied to lens assembly the most according to claim 1, it is special
Levy and be: described driving means (3) is motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538039.9A CN104343920B (en) | 2014-10-13 | 2014-10-13 | A kind of drive mechanism being applied to lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538039.9A CN104343920B (en) | 2014-10-13 | 2014-10-13 | A kind of drive mechanism being applied to lens assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343920A CN104343920A (en) | 2015-02-11 |
| CN104343920B true CN104343920B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410538039.9A Active CN104343920B (en) | 2014-10-13 | 2014-10-13 | A kind of drive mechanism being applied to lens assembly |
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| Country | Link |
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| CN (1) | CN104343920B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563415B (en) * | 2015-12-30 | 2017-05-03 | 南通冠东模塑股份有限公司 | Compression joint equipment used for thread workpieces |
| CN105607211B (en) * | 2015-12-31 | 2018-06-19 | 中国华录集团有限公司 | Lens adjust structure and projection optical system |
| CN107092065A (en) * | 2017-06-14 | 2017-08-25 | 苏州艾力光电科技有限公司 | A kind of optic components |
| CN110319167B (en) * | 2018-03-31 | 2021-09-17 | Oppo广东移动通信有限公司 | Drive assembly, electronic device and control method of electronic device |
| CN110775727A (en) * | 2019-10-31 | 2020-02-11 | 杭州欣奇前科技有限公司 | New energy automobile fills electric pile take-up based on reciprocal lead screw principle |
| CN112230363B (en) * | 2020-09-30 | 2022-04-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Lens transmission device and mobile terminal |
| CN112285951B (en) * | 2020-10-27 | 2022-07-22 | 维沃移动通信有限公司 | Glasses |
| CN112630951B (en) * | 2020-11-28 | 2023-06-09 | 中国航空工业集团公司洛阳电光设备研究所 | Ball screw fixing part with high-reliability limiting device |
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| CN1824973A (en) * | 2005-02-24 | 2006-08-30 | 亚洲光学股份有限公司 | Linear gearing capable of reducing gearing friction |
| CN102235474A (en) * | 2010-03-04 | 2011-11-09 | 文卡德埃尔赛弗公司 | Motor mechanism |
| CN102768392A (en) * | 2011-05-04 | 2012-11-07 | 亚洲光学股份有限公司 | Transmission device for optical equipment |
| CN203686027U (en) * | 2014-01-21 | 2014-07-02 | 嘉兴礼海电气科技有限公司 | Novel movable bell mechanism |
| CN204140803U (en) * | 2014-10-13 | 2015-02-04 | 中山联合光电科技有限公司 | A kind of driving mechanism being applied to lens assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5864271B2 (en) * | 2012-01-06 | 2016-02-17 | Hoya株式会社 | Lens movement mechanism |
-
2014
- 2014-10-13 CN CN201410538039.9A patent/CN104343920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1824973A (en) * | 2005-02-24 | 2006-08-30 | 亚洲光学股份有限公司 | Linear gearing capable of reducing gearing friction |
| CN102235474A (en) * | 2010-03-04 | 2011-11-09 | 文卡德埃尔赛弗公司 | Motor mechanism |
| CN102768392A (en) * | 2011-05-04 | 2012-11-07 | 亚洲光学股份有限公司 | Transmission device for optical equipment |
| CN203686027U (en) * | 2014-01-21 | 2014-07-02 | 嘉兴礼海电气科技有限公司 | Novel movable bell mechanism |
| CN204140803U (en) * | 2014-10-13 | 2015-02-04 | 中山联合光电科技有限公司 | A kind of driving mechanism being applied to lens assembly |
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| Publication number | Publication date |
|---|---|
| CN104343920A (en) | 2015-02-11 |
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Address after: 528400 1-3, Guangdong, Zhongshan, Torch Development Zone, road, No. Patentee after: Zhong Shan joint opto-electronic Science and Technology Co., Ltd. Address before: 528400 Zhongshan Torch Development Zone, Guangdong Road, No. 10 Patentee before: Union Optech (Zhongshan) Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200527 Address after: 430040 workshop, 15 / F, building 2, phase 1 and phase 2, Wuhan Software New Town, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN LIANYI HELI TECHNOLOGY Co.,Ltd. Address before: 1-3 building, No. 528400, Wai Wai Road, Torch Development Zone, Guangdong, Zhongshan, 10 Patentee before: UNION OPTECH Co.,Ltd. |
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Effective date of registration: 20210806 Address after: 528400 floor 1-3, No. 10, Yiwei Road, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: UNION OPTECH Co.,Ltd. Address before: 430040 workshop, 15th floor, building 2, Wuhan Software New Town, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN LIANYI HELI TECHNOLOGY Co.,Ltd. |