CN202494824U - Focal length adjusting device and optical imaging device - Google Patents
Focal length adjusting device and optical imaging device Download PDFInfo
- Publication number
- CN202494824U CN202494824U CN201220020257.XU CN201220020257U CN202494824U CN 202494824 U CN202494824 U CN 202494824U CN 201220020257 U CN201220020257 U CN 201220020257U CN 202494824 U CN202494824 U CN 202494824U
- Authority
- CN
- China
- Prior art keywords
- tube
- group
- pedestal
- bar
- optical 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.)
- Withdrawn - After Issue
Links
- 238000012634 optical imaging Methods 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 83
- 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 description 45
- 230000005284 excitation Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 8
- 239000011796 hollow space material Substances 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Lens Barrels (AREA)
Abstract
Disclosed are a focal length adjusting device and a corresponding optical imaging device, wherein an ultrasonic motor and a voice coil motor driven by screw threads are combined to drive different optical lens groups respectively, and a radically fixed lens cone is arranged in a rotor of the ultrasonic motor to convert spiral motion of the rotor into simple linear motion. Therefore, focal length adjusting structure after combining the motors can maintain stability of an optical axis well, and the combination of different driving modes is beneficial to cooperating different lens groups, simplifying the overall structure and reducing cost.
Description
Technical field
The utility model relates to optical technical field, is specifically related to a kind of focal length adjustment device and corresponding optical imaging device.
Background technology
Along with popularizing of digital imaging technique, optical imaging device is widely applied on various types of equipment, for example miscellaneous portable and mini-plant, and the optical imaging device of miniaturization has widespread demand.
For making imaging device under the situation of miniaturization, have the ability of accurately focusing; Proposed to adopt the ultrasonic motor (USM, Ultra Sonic Motor) of screw drive to carry out the adjusting (referring to PCT International Application No. WO 2007118418) of focal length.Its a kind of basic structure comprises urceolus that is used as stator and the inner core that is used as rotor; Optical lens group is installed in the inner core; Be attached with piezoelectric element on the urceolus; These piezoelectric elements can vibrate urceolus and produce the row ripple under the excitation of electric signal, thereby produce rotation through the threaded engagement drive inner cylinder between urceolus and the inner core, produce the straight-line displacement of inner core with respect to urceolus with this.This incorporate type of drive not only is easy to miniaturization but also can obtains good straight line degree of regulation; But because optical lens group need be rotated in company with inner core; The deviation that causes optical axis in installation, to occur is difficult to revised, thereby influences the vertical of optical axis and sensitive chip, and; If the optical lens group of many group independent regulation is arranged simultaneously, also be difficult to guarantee the consistance of its optical axis.
For addressing the above problem; Also there is proposition in rotor, to increase a tube (referring to Chinese patent CN101425762) again; This radially is fixed on the stator through the modes such as sliding tray that two ends are provided with, and through the screw thread of outside surface and the threaded engagement of rotor inner surface, thereby the helical motion of rotor is converted into simple rectilinear motion; Optical lens group is installed in this tube in the rotor (therefore can be called lens barrel with this tube), has avoided the rotation of optical axis.But since optical imaging device usually need many groups can independent regulation optical lens group, for example be used for the lens combination of zoom, the lens combination that is used to focus etc., the use of organizing the USM of said structure makes structure comparatively complicated more, also can cause the rising of cost.
Summary of the invention
The utility model provides a kind of stability that can guarantee optical axis in the focal length adjustment, can reduce the focal length adjustment device and the corresponding optical imaging device of manufacture difficulty again.
A kind of focal length adjustment device comprises: first tube, and inside surface is provided with screw thread; Second tube is positioned at first tube, and outside surface and inside surface are provided with screw thread, and the pitch of the screw thread of outside surface and inside surface is different and/or the hand of spiral different, and the screw thread of outside surface is used for the threaded engagement with first tube inner surface; First group of piezoelectric element attached to first outside surface, is used for first generation row ripple of vibration under the excitation of electric signal, produces the rotation with respect to first to drive second tube; The 3rd tube; Be positioned at second tube; Outside surface is provided with screw thread, is used for the threaded engagement with second tube inner surface, and the hollow space of the 3rd tube is used to be provided with first group of optical lens; The 3rd tube is diametrically opposed fixing in first tube, so that the turning axle moving linearly of the 3rd tube second tube in edge when second tube rotation; And voice coil motor; Said voice coil motor comprises fixed part and movable part, and one in said fixed part and the movable part comprises magnet, and another comprises conductor; Said conductor is used under the excitation of electric signal, driving said movable part with respect to said fixed part moving linearly; Said fixed part is fixing with respect to first tube, so that the rotating shaft parallel of the motion path of said movable part and second tube, said movable part is used for fixing second group of optical lens.
And a kind of optical imaging device; Adopt above-mentioned focal length adjustment device and be equipped with first group of optical lens, second group of optical lens and sensitive chip; The rotating shaft parallel of the optical axis of first group of optical lens and second tube, the optical axis of second group of optical lens is identical with the optical axis of first group of optical lens, and voice coil motor is arranged on first group of light path behind the optical lens; First group of optical lens is used for zoom; Second group of optical lens is used for focusing, and sensitive chip is arranged on second group of light path behind the optical lens, and the light-sensitive surface of sensitive chip is perpendicular to optical axis.
The mode that the utility model embodiment adopts the USM of screw drive to combine with voice coil motor; Drive different optical lens group respectively; USM is provided with the 3rd radially fixing tube and converts the helical motion of rotor into simple rectilinear motion in rotor, make to combine later focus adjustment structure can well keep the stability of optical axis, and being combined with of different type of drive is beneficial to the lens combination that cooperates difference in functionality; Simplified one-piece construction, helped reducing cost.
Below in conjunction with accompanying drawing, the focal length adjustment device of the utility model and the concrete example of optical imaging device are elaborated.
Description of drawings
Fig. 1 is the vertical profile structural representation of embodiment one;
Fig. 2 is the explosive view of Zoom structure among the embodiment one;
Fig. 3 is the vertical profile structural representation of embodiment two;
Fig. 4 is the vertical profile structural representation of embodiment three.
Embodiment
The structure of an example of embodiment one, the utility model focal length adjustment device and corresponding optical imaging device can be with reference to figure 1.The basic structure of this example mid-focal length regulating device comprises the focusing structure of two groups of independent controls; Be structure 20 and structure 60; Structure 20 adopts USM to drive; Comprise 22, second tubes of first tube 23, first group of piezoelectric element 21, the 3rd tube 24, structure 60 adopts voice coil motors (VCM, Voice Coil Motor) to drive.
First 22, second tubes 23, first group of piezoelectric element 21 are formed the USM of a screw drive, and its explosive view can be with reference to figure 2, and first tube 22 can be described as stator, and second tube 23 can be described as rotor.First group of piezoelectric element 21 can be one group of piezoelectric patches as shown in Figure 2 (for example piezoelectric ceramics process one group of thin slice); Enclose regular polygon; Adopt modes such as stickup or welding attached to stator external surface; Certainly, piezoelectric element also can be other shapes and structure, produces capable ripple along the circumferential direction as long as can vibrate stator.The thread surface that stator and rotor cooperatively interact can be passed through Wear-resistant Treatment or is coated with high-abrasive material, and certainly, similar processing mode also can be adopted in other places that relate to threaded engagement in the utility model, repeats no more.About the concrete introduction of the USM of screw drive, can be with reference to PCT International Application No. WO 2007118418.
The 3rd tube 24 is positioned at second tube 23; Outside surface is provided with screw thread; Be used for threaded engagement with second tube 23 inside surface; The 3rd tube 24 is diametrically opposed fixing in first tube 22, so that the turning axle moving linearly of the 3rd tube 24 second tube 23 in edge when 23 rotations of second tube.The hollow space of the 3rd tube 24 is used to be provided with first group of optical lens 25, therefore also can be called lens barrel.
VCM comprises fixed part and movable part; One in fixed part and the movable part comprises magnet; Another comprises conductor; Conductor is used under the excitation of electric signal, driving movable part with respect to the fixed part moving linearly, so that the rotating shaft parallel of the motion path of movable part and second tube 23, the movable part of VCM is used for fixing second group of optical lens 61.
Based on the basic structure of above-mentioned focal length adjustment device, be equipped with a kind of basic structure that first group of optical lens 25, second group of optical lens 61 and sensitive chip 15 are the optical imaging device of the utility model.Wherein, first group of optical lens 25 is arranged in the 3rd tube 24 rotating shaft parallel of the rotor of its optical axis and USM.Second group of optical lens 61 is fixed on the movable part of VCM, and the optical axis of second group of optical lens 61 is identical with the optical axis of first group of optical lens 25.Sensitive chip 15 is arranged on second group of light path behind the optical lens 61, and light-sensitive surface is perpendicular to the optical axis of first group of optical lens 25.Because USM has characteristics such as volume is little, stroke is big, therefore first group of optical lens 25 can be used for zoom, because the VCM technical maturity, its stroke characteristics also can satisfy the requirement that focusing is used, and therefore second group of optical lens 61 can be used for focusing.
Further, can adopt following structure to realize the fixing of the diametrically opposed stator in USM of lens barrel, specifically comprise at least one bar 10, bar 10 is diametrically opposed fixing in first tube 22.The barrel set inside of the 3rd tube 24 has the through hole of the rotating shaft parallel of at least one and second tube 23, and bar 10 runs through in the through hole that is arranged on the 3rd tube 24 so that the 3rd tube 24 when 23 rotations of second tube along bar 10 moving linearlies.Certainly, it is radially fixing that lens barrel also can adopt other modes to carry out, and for example fixes through the position limiting structure that is arranged on the lens barrel two ends.Above-mentioned preferred structure is owing to reach the radially fixing of lens barrel through the bar that runs through in the barrel that is arranged on lens barrel; Not only location structure is simple; And it is independently of one another with lens barrel; Both guaranteed to be installed in the stability of the optical axis of the optical lens group in the lens barrel, and also made the manufacturing of parts and assembling be more prone to, can better reach requirement precision.
Because the effect of bar 10 is to make lens barrel rotate; Therefore have at least one can reach this purpose; If consider more excellent stress balance and stability of structure and accuracy; Can be symmetrical set 2 (as illustrated in fig. 1 and 2) or a plurality of bars that evenly distribute with respect to the turning axle of rotor, certainly, need on the corresponding position of lens barrel barrel, same number of through hole be set.
Further; Can adopt following structure to realize the fixing of the diametrically opposed stator in USM of bar 10; Specifically comprise first pedestal 11 and second pedestal 12 of having light hole; First pedestal 11 and second pedestal 12 are provided with spacing hole, and first tube 22 is fixed on first pedestal 11, and the spacing hole of first pedestal 11 and second pedestal 12 is inserted or passes at the two ends of bar 10 respectively.Accordingly; The fixed part of VCM with respect to first 22 fixing can adopt following structure; The fixed part of VCM is fixed on the 3rd pedestal 14, and the 3rd pedestal 14 is fixedly connected with second pedestal 12, and sensitive chip 15 can be contained in the 3rd pedestal 14.Owing to adopt first pedestal 11, make the precision that in the manufacturing of parts, guarantees design more easily, and assembling is more simple and reliable as bar 10 and first 22 fixing basis.Certainly, it is radially fixing that bar 10 also can adopt other modes and structure to carry out with respect to first tube 22, for example with the end bending of bar 10, inserts or be welded on first barrel of 22.
Further, for better guaranteeing the precision of assembling, the 7th tube 13 can also be set again, the end that first tube 22 is arranged in 13, the seven tubes 13 of the 7th tube is fixedly connected with first pedestal 11, and the other end is fixedly connected with second pedestal 12.The 7th tube 13 preferably adopts following structure with being fixedly connected of two pedestals; On the end of the 7th tube 13 and corresponding pedestal, suitable pilot hole and locator protrusions are set respectively; Locator protrusions is snapped in the positioning hole corresponding degree of accuracy in the time of can further increasing assembling like this.
The structure of another example of embodiment two, the utility model focal length adjustment device and corresponding optical imaging device can be with reference to figure 3.Compare with embodiment one, the focal length adjustment device in this example has increased the focusing structure of one group of independent control between structure 20 and structure 60, and promptly structure 40, to adapt to application demand widely.
The structure that increases in this example 40 is similar with structure 20 among the embodiment one, all adopts USM to drive, and specifically comprises the 4th tube 42, the 5th tube 43, second group of piezoelectric element 41, the 6th tube 44.
With similar among the embodiment one to the description of structure 20; The 4th tube 42, the 5th tube 43, second group of piezoelectric element 41 are formed the USM of a screw drive; The 4th tube 42 is the stator of USM; The 5th tube 43 is the rotor of USM, and the 6th tube 44 is lens barrels that hollow space is used to be provided with optical lens group 45.The 4th tube 42 is fixing with respect to first tube 22, and the turning axle of the 5th tube 43 is identical with the turning axle of second tube 23.But in the structural relation reference implementation example one between the 4th tube 42, the 5th tube 43, second group of piezoelectric element 41, the 6th tube 44 to the description of the structural relation between first 22, second tubes 23, first group of piezoelectric element 21, the 3rd tube 24.Though it should be noted that the structural relation between structure 20 and structure 40 parts is identical, cooperate the employed screw thread curve can be different between part dimension and the parts, with satisfy the Different control precision, regulate the speed, requirement such as length of stroke.
Based on above-mentioned focal length adjustment device; Be equipped with a kind of example structure that the first group of optical lens 25 (carrying out USM by structure 20 drives) that is used for zoom, the second group of optical lens 61 (carrying out VCM by structure 60 drives) that is used to focus, the 3rd group of optical lens 45 (carry out USM by structure 40 and drive, the 4th tube 42 is arranged on first group of light path behind the optical lens 25) that is used for the zoom compensation and sensitive chip 15 are the optical imaging device of the utility model.The optical axis of three groups of optical lenses is identical, with the rotating shaft parallel of the rotor of USM.
Further, adopt in the structure that USM drive at two groups, similar with embodiment one, can adopt bar 10 to realize the fixing of the diametrically opposed stator in USM of lens barrel, but structure 20 and structure 40 joint use poles 10.In this example, bar 10 is two, is symmetrical set with respect to the turning axle of the rotor of USM.
Further; Can adopt following structure to realize the fixing of the diametrically opposed stator in USM of bar 10; Specifically comprise first pedestal 11 and second pedestal 12 of having light hole, first pedestal 11 and second pedestal 12 are provided with spacing hole, and first tube 22 is fixed on first pedestal 11; The 4th tube 42 is fixed on second pedestal 12, and the spacing hole of first pedestal 11 and second pedestal 12 is inserted or passes at the two ends of bar 10 respectively.
Further, for better guaranteeing the precision of assembling, the 7th tube 13 can also be set again, structure 20 all is arranged in the 7th tube 13 with structure 40.One end of the 7th tube 13 is fixedly connected with first pedestal 11, and the other end is fixedly connected with second pedestal 12, and said structure can better guarantee parallel and two groups of optical lens optical axises consistent of bar 10 and the turning axle of USM rotor.
The structure of another example of embodiment three, the utility model focal length adjustment device and corresponding optical imaging device can be with reference to figure 4.Compare with embodiment one, this example has increased light path adjustment element, is arranged on the light path before first group of optical lens 25, is used to bend the light path of incident ray.For example; Increase a periscope structure 44, make incident light bending 90 degree backs get into follow-up focusing structure, thus can be when being applied to equipment such as mobile phone with the placement that couches of whole imaging device; The height of whole imaging device is reduced, to satisfy of the requirement of equipment such as mobile phone to thickness.
More than focal length adjustment device and corresponding optical imaging device that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the core concept of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (12)
1. focal length adjustment device comprises:
First tube, inside surface is provided with screw thread,
Second tube is positioned at first tube, and outside surface and inside surface are provided with screw thread, and the pitch of the screw thread of outside surface and inside surface is different and/or the hand of spiral different, and the screw thread of outside surface is used for the threaded engagement with first tube inner surface,
First group of piezoelectric element attached to first outside surface, is used for first generation row ripple of vibration under the excitation of electric signal, produces the rotation with respect to first to drive second tube,
The 3rd tube; Be positioned at second tube, outside surface is provided with screw thread, is used for the threaded engagement with second tube inner surface; The hollow space of the 3rd tube is used to be provided with first group of optical lens; The 3rd tube is diametrically opposed fixing in first tube, so that the turning axle moving linearly of the 3rd tube second tube in edge when second tube rotation
It is characterized in that:
Also comprise voice coil motor; Said voice coil motor comprises fixed part and movable part, and one in said fixed part and the movable part comprises magnet, and another comprises conductor; Said conductor is used under the excitation of electric signal, driving said movable part with respect to said fixed part moving linearly; Said fixed part is fixing with respect to first tube, so that the rotating shaft parallel of the motion path of said movable part and second tube, said movable part is used for fixing second group of optical lens.
2. device according to claim 1 is characterized in that:
Also comprise at least one bar, said bar is diametrically opposed fixing in first tube,
Said the 3rd tube is diametrically opposed in first fixing mode to be: the barrel set inside of the 3rd tube has the through hole of the rotating shaft parallel of at least one and second tube; Said bar runs through and is arranged in the said through hole so that the 3rd tube when second tube rotation along said bar moving linearly.
3. device according to claim 1 is characterized in that, also comprises:
The 4th tube, fixing with respect to first tube, inside surface is provided with screw thread,
The 5th tube is positioned at the 4th tube, and outside surface and inside surface are provided with screw thread, and the pitch of the screw thread of outside surface and inside surface is different and/or the hand of spiral different, and the screw thread of outside surface is used for the threaded engagement with the 4th tube inner surface,
Second group of piezoelectric element attached to the outside surface of the 4th tube, is used for the 4th tube generation of vibration row ripple under the excitation of electric signal, produces the rotation with respect to the 4th tube to drive the 5th tube, and the turning axle of the 5th tube is identical with the turning axle of second tube,
The 6th tube; Be positioned at the 5th tube; Outside surface is provided with screw thread, is used for the threaded engagement with the 5th tube inner surface, and the hollow space of the 6th tube is used to be provided with the 3rd group of optical lens; The 6th tube is diametrically opposed to be fixed in the 4th tube so that the 6th tube when the 5th tube rotation along the turning axle moving linearly of the 5th tube.
4. device according to claim 3 is characterized in that:
Also comprise at least one bar, said bar is diametrically opposed fixing in first tube,
Said the 3rd tube is diametrically opposed in first fixing mode to be: the barrel set inside of the 3rd tube has the through hole of the rotating shaft parallel of at least one and second tube; Said bar runs through in the through hole that is arranged on the 3rd tube; So that the 3rd tube said bar moving linearly in edge when second tube rotation
Said the 6th tube is diametrically opposed in the fixing mode of the 4th tube to be: the barrel set inside of the 6th tube has the through hole of the rotating shaft parallel of at least one and second tube; Said bar runs through in the through hole that is arranged on the 6th tube, so that the 6th tube said bar moving linearly in edge when the 5th tube rotation.
5. device according to claim 4 is characterized in that: also comprise first pedestal, second pedestal and the 7th tube,
Be respectively arranged with spacing hole on first pedestal and second pedestal,
One end of the 7th tube is fixedly connected with first pedestal, and the other end is fixedly connected with second pedestal,
First tube and the 4th tube are arranged in the 7th tube, and first tube is fixed on first pedestal,
Said the 4th tube with respect to first fixing mode is: the 4th tube is fixed on second pedestal,
Said bar is diametrically opposed in first fixing mode to be: the spacing hole of first pedestal and second pedestal is inserted or passes at the two ends of said bar respectively.
6. according to claim 2 or 4 described devices, it is characterized in that: said bar is two, is symmetrical set with respect to the turning axle of second tube.
7. optical imaging device comprises:
First tube, inside surface is provided with screw thread,
Second tube is positioned at first tube, and outside surface and inside surface are provided with screw thread, and the pitch of the screw thread of outside surface and inside surface is different and/or the hand of spiral different, and the screw thread of outside surface is used for the threaded engagement with first tube inner surface,
First group of piezoelectric element attached to first outside surface, is used for first generation row ripple of vibration under the excitation of electric signal, produces the rotation with respect to first to drive second tube,
The 3rd tube is positioned at second tube, and outside surface is provided with screw thread; Be used for threaded engagement with second tube inner surface; The 3rd tube is diametrically opposed fixing in first tube, so that the turning axle moving linearly of the 3rd tube second tube in edge when second tube rotation
First group of optical lens is arranged in the 3rd tube, the rotating shaft parallel of the optical axis of first group of optical lens and second tube,
Sensitive chip, light-sensitive surface be perpendicular to said optical axis,
It is characterized in that: also comprise voice coil motor and second group of optical lens,
Said voice coil motor is arranged on first group of light path behind the optical lens; Comprise fixed part and movable part, one in said fixed part and the movable part comprises magnet, and another comprises conductor; Said conductor is used under the excitation of electric signal, driving said movable part with respect to said fixed part moving linearly; Said fixed part is fixing with respect to first tube, so that the rotating shaft parallel of the motion path of said movable part and second tube
Second group of optical lens is fixed on the movable part of said voice coil motor, and the optical axis of second group of optical lens is identical with the optical axis of first group of optical lens, and first group of optical lens is used for zoom, and second group of optical lens is used for focusing,
Said sensitive chip is arranged on second group of light path behind the optical lens.
8. device according to claim 7 is characterized in that:
Also comprise at least one bar, said bar is diametrically opposed fixing in first tube,
Said the 3rd tube is diametrically opposed in first fixing mode to be: the barrel set inside of the 3rd tube has the through hole of the rotating shaft parallel of at least one and second tube; Said bar runs through and is arranged in the said through hole so that the 3rd tube when second tube rotation along said bar moving linearly.
9. device according to claim 7 is characterized in that, also comprises:
The 4th tube is arranged on first group of light path behind the optical lens, and fixing with respect to first tube, inside surface is provided with screw thread,
The 5th tube is positioned at the 4th tube, and outside surface and inside surface are provided with screw thread, and the pitch of the screw thread of outside surface and inside surface is different and/or the hand of spiral different, and the screw thread of outside surface is used for the threaded engagement with the 4th tube inner surface,
Second group of piezoelectric element attached to the outside surface of the 4th tube, is used for the 4th tube generation of vibration row ripple under the excitation of electric signal, produces the rotation with respect to the 4th tube to drive the 5th tube, and the turning axle of the 5th tube is identical with the turning axle of second tube,
The 6th tube is positioned at the 5th tube, and outside surface is provided with screw thread; Be used for threaded engagement with the 5th tube inner surface; The 6th tube is diametrically opposed to be fixed in the 4th tube so that the 6th tube when the 5th tube rotation along the turning axle moving linearly of the 5th tube
The 3rd group of optical lens is arranged in the 6th tube, and the optical axis of the 3rd group of optical lens is identical with the optical axis of first group of optical lens, and the 3rd group of optical lens is used for the zoom compensation.
10. device according to claim 9 is characterized in that:
Also comprise at least one bar, said bar is diametrically opposed fixing in first tube,
Said the 3rd tube is diametrically opposed in first fixing mode to be: the barrel set inside of the 3rd tube has the through hole of the rotating shaft parallel of at least one and second tube; Said bar runs through in the through hole that is arranged on the 3rd tube; So that the 3rd tube said bar moving linearly in edge when second tube rotation
Said the 6th tube is diametrically opposed in the fixing mode of the 4th tube to be: the barrel set inside of the 6th tube has the through hole of the rotating shaft parallel of at least one and second tube; Said bar runs through in the through hole that is arranged on the 6th tube, so that the 6th tube said bar moving linearly in edge when the 5th tube rotation.
11. device according to claim 10 is characterized in that: also comprise first pedestal, second pedestal and the 7th tube,
Be respectively arranged with spacing hole on first pedestal and second pedestal,
One end of the 7th tube is fixedly connected with first pedestal, and the other end is fixedly connected with second pedestal,
First tube and the 4th tube are arranged in the 7th tube, and first tube is fixed on first pedestal,
Said the 4th tube with respect to first fixing mode is: the 4th tube is fixed on second pedestal,
Said bar is diametrically opposed in first fixing mode to be: the spacing hole of first pedestal and second pedestal is inserted or passes at the two ends of said bar respectively.
12., it is characterized in that: also comprise light path adjustment element, be arranged on the preceding light path of first group of optical lens, be used to bend the light path of incident ray according to any described device of claim 7 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220020257.XU CN202494824U (en) | 2012-01-17 | 2012-01-17 | Focal length adjusting device and optical imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220020257.XU CN202494824U (en) | 2012-01-17 | 2012-01-17 | Focal length adjusting device and optical imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202494824U true CN202494824U (en) | 2012-10-17 |
Family
ID=47001047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220020257.XU Withdrawn - After Issue CN202494824U (en) | 2012-01-17 | 2012-01-17 | Focal length adjusting device and optical imaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202494824U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590979A (en) * | 2012-01-17 | 2012-07-18 | 博立码杰通讯(深圳)有限公司 | Focal length adjusting device and optical imaging device |
| CN112204940A (en) * | 2018-06-08 | 2021-01-08 | 宁波舜宇光电信息有限公司 | Periscope camera module and array camera module and its manufacturing method and electronic equipment |
| CN113595435A (en) * | 2021-08-19 | 2021-11-02 | 吉林大学 | Continuous zoom lens for piezoelectric driving micro-miniature equipment and driving method |
-
2012
- 2012-01-17 CN CN201220020257.XU patent/CN202494824U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590979A (en) * | 2012-01-17 | 2012-07-18 | 博立码杰通讯(深圳)有限公司 | Focal length adjusting device and optical imaging device |
| WO2013107342A1 (en) * | 2012-01-17 | 2013-07-25 | Boly Media Communications (Shenzhen) Co., Ltd. | Zoom lens apparatus with focus adjusting and optical imaging device therewith |
| CN102590979B (en) * | 2012-01-17 | 2013-10-23 | 博立码杰通讯(深圳)有限公司 | Focal length adjusting device and optical imaging device |
| US9191563B2 (en) | 2012-01-17 | 2015-11-17 | Boly Media Communications (Shenzhen) Co., Ltd. | Zoom lens apparatus with focus adjusting and optical imaging device therewith |
| CN112204940A (en) * | 2018-06-08 | 2021-01-08 | 宁波舜宇光电信息有限公司 | Periscope camera module and array camera module and its manufacturing method and electronic equipment |
| CN112204940B (en) * | 2018-06-08 | 2022-07-05 | 宁波舜宇光电信息有限公司 | Periscopic camera module, array camera module thereof, manufacturing method of periscopic camera module and electronic equipment |
| CN113595435A (en) * | 2021-08-19 | 2021-11-02 | 吉林大学 | Continuous zoom lens for piezoelectric driving micro-miniature equipment and driving method |
| CN113595435B (en) * | 2021-08-19 | 2023-01-31 | 吉林大学 | Continuous zoom lens for piezoelectrically driven micro-miniature equipment and driving method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102590979B (en) | Focal length adjusting device and optical imaging device | |
| CN104678532B (en) | Zoom focusing mechanism and zoom lens | |
| CA2936033C (en) | Zoom lens driving device and zoom lens | |
| US9739982B2 (en) | Zoom lens | |
| RU2587153C1 (en) | Vibration-type drive device, two-dimensional drive device, image blur correction device, detachable lens, image capturing device and automatic object stage | |
| US7587135B2 (en) | Auto-focus optical lens module | |
| CN217386087U (en) | Camera module | |
| CN202494824U (en) | Focal length adjusting device and optical imaging device | |
| US9581785B2 (en) | Springless voice coil actuator and pre-compression magnetic force calibration method thereof | |
| JP6346963B2 (en) | Voice coil motor and focus lens | |
| KR102209069B1 (en) | Auto focus driving unit and photographing apparatus having the same | |
| JP5760116B2 (en) | The camera module | |
| JP2015165334A (en) | camera module | |
| JP6074199B2 (en) | Lens barrel and imaging device having the same | |
| US9135946B1 (en) | Step motor | |
| KR20150106587A (en) | Step motor | |
| CN103185941A (en) | Actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20131023 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20131023 |
|
| RGAV | Abandon patent right to avoid regrant |