CN210954456U - Lens adjustment mechanism and optical system - Google Patents
Lens adjustment mechanism and optical system Download PDFInfo
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- CN210954456U CN210954456U CN201922275393.8U CN201922275393U CN210954456U CN 210954456 U CN210954456 U CN 210954456U CN 201922275393 U CN201922275393 U CN 201922275393U CN 210954456 U CN210954456 U CN 210954456U
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Abstract
The utility model discloses a lens adjustment mechanism and optical system relates to optics technical field. The method comprises the following steps: the rotating bracket is rotatably connected to the fixed seat along the axis direction of the rotating bracket; a sliding frame is also arranged in the fixed seat, an installation groove for installing the lens is arranged on the sliding frame, and the sliding frame is arranged on the fixed seat in a sliding manner along the direction parallel to the axis of the rotating support; the rotating support is provided with a sliding groove, the sliding groove is obliquely arranged on the rotating support, an included angle is formed between the extending direction of the sliding groove and the axis direction of the rotating support, and an included angle is formed between the extending direction of the sliding groove and a plane perpendicular to the axis of the rotating support; the sliding frame is provided with a sliding block embedded in the sliding groove; the rotating support rotates to drive the sliding block to slide along the extending direction of the sliding groove. The precision of the lens in the movement process is increased, and the application range of the lens adjusting mechanism is enlarged.
Description
Technical Field
The utility model relates to the field of optical technology, especially, relate to a lens adjustment mechanism and optical system.
Background
The optical lens is an essential component in a machine vision system, directly influences the quality of imaging quality and influences the realization and effect of an algorithm. The optical lens can be divided into a short-focus lens, a middle-focus lens and a long-focus lens from the focal length; wide-angle, standard and telephoto lenses are arranged according to the field size; the structure is divided into a fixed focus lens and a zoom lens.
During the use or debugging process of the optical system, the focal length of the optical system is usually changed by moving the lens; at present, in the moving process of a lens, the lens is usually directly driven to move by a linear driving structure, and when the resolution requirement of an optical system is higher and the focal length change degree of the optical system is smaller, the moving amount of the lens in the optical system is smaller, the moving precision of the linear driving structure is difficult to meet the requirement of the optical system, and the application range of the existing lens driving structure is smaller.
Disclosure of Invention
The utility model discloses to solve current technical problem, provide a lens adjustment mechanism and optical system, increased the precision in the lens motion process, increased lens adjustment mechanism's application scope.
The utility model provides a technical scheme as follows:
a lens adjustment mechanism comprising: the rotating bracket is rotatably connected to the fixed seat along the axis direction of the rotating bracket; a sliding frame is further arranged in the fixed seat, an installation groove for installing a lens is formed in the sliding frame, and the sliding frame is arranged on the fixed seat in a sliding mode along the direction parallel to the axis of the rotating support; the rotating support is provided with a sliding groove, the sliding groove is obliquely arranged on the rotating support, an included angle is formed between the extending direction of the sliding groove and the axis direction of the rotating support, and an included angle is formed between the extending direction of the sliding groove and a plane perpendicular to the axis of the rotating support; the sliding frame is provided with a sliding block embedded in the sliding groove; the rotating support rotates to drive the sliding block to slide along the extending direction of the sliding groove.
Among this technical scheme, through the setting of the groove that slides on the rotation support, the rotation support rotates the in-process, can drive the groove that slides and rotate, has realized the change of sliding block position then, has realized the change that sets up lens position on the frame that slides then, can realize less linear motion through great rotation amplitude, has increased the precision in the lens motion process, has increased lens adjustment mechanism's application scope.
Preferably, the sliding frame is embedded in the inner side of the fixed seat, the rotating support is arranged in the outer side of the fixed seat, and the fixed seat is provided with a through opening for the sliding block to pass through.
In the technical scheme, the sliding frame and the rotating support are respectively arranged on the inner side and the outer side of the fixed seat, so that the possibility of relative friction between the sliding frame and the rotating support is reduced, the possibility of abrasion between the sliding frame and the rotating support is reduced, and the service life of the lens adjusting mechanism is prolonged; meanwhile, the sliding frame and the rotating support can be respectively matched with the fixed seat, the possibility that the sliding frame and the rotating support shake is reduced, and the stability of the sliding frame during sliding and the stability of the rotating support during rotating are improved.
Preferably, the fixing seat is provided with a locking device for locking the rotating bracket on the fixing seat, and the locking device is connected to the fixing seat through a locking member.
Among this technical scheme, through locking device's setting, increased the restraint between runing rest and the fixing base, reduced the runing rest and need not the possibility that rocks when rotating, increased runing rest's stability.
Preferably, one side of the locking device, which is close to the rotating bracket, is provided with an abutting groove, and the radius of the abutting groove is equal to that of the rotating bracket; when the locking device locks the rotating support on the fixed seat, the outer wall of the rotating support abuts against the inner wall of the abutting groove.
In the technical scheme, the contact area between the rotating support and the locking device is increased through the arrangement of the abutting groove, the possibility that the locking device shakes in a locking state is reduced, and the locking effect of the locking device on the rotating support is increased.
Preferably, the locking device comprises an abutting part and a limiting part, the abutting part is close to the rotating bracket and used for abutting against the rotating bracket, and the limiting part is far away from the rotating bracket and used for connecting the locking part to the fixed seat; when the locking device locks the rotating support on the fixed seat, one side of the rotating support, which is close to the limiting part, abuts against the limiting part.
Among this technical scheme, through the setting of spacing portion, increased the restraint that the rotating bracket received, reduced the rotating bracket and rocked the possibility in the rotation process, increased the stability when rotating the rotating bracket and rotate.
Preferably, a locking groove is formed in the rotating support, and a locking block which is embedded in the locking groove is arranged on the locking device.
Among this technical scheme, through the setting of locking groove and latch segment, further increased the restraint between rotating support and the locking device, reduced the possibility that locking device rocked, reduced then the rotating support and rocked the possibility at locking state, increased rotating support's under the locking state stability.
Preferably, the locking groove is provided in plurality, and the plurality of locking grooves are circumferentially provided on the rotating bracket along the axis of the rotating bracket.
In the technical scheme, the locking of a plurality of positions of the rotating support is realized through the arrangement of the locking grooves, the stability of the rotating support in a locking state is improved, and then the stability of the sliding frame is improved.
Preferably, the locking device is provided with an adjusting opening for the locking member to pass through, and the adjusting opening is arranged on the locking device along the direction perpendicular to the axis of the rotating bracket.
Among this technical scheme, through adjusting open-ended setting, the user of being convenient for calibrates the angle of rotating the support under the locking state, has realized the adjustment of the frame position that slides then, has increased the precision when the lens is adjusted.
Preferably, the width of the sliding slot is equal to the outer diameter of the sliding block; the outer wall of the sliding block is abutted to the inner walls of the two sides of the sliding groove.
In the technical scheme, the width of the sliding groove and the width of the sliding block are limited, so that the possibility of generating return stroke difference when the sliding block slides in the sliding groove is reduced, and the precision of the sliding frame provided with the lens during sliding is further increased.
Preferably, the rotating support is provided with a driven gear, the fixing seat is provided with a driving gear meshed with the driven gear, and the fixing seat is further provided with a driving device used for driving the driving gear to rotate.
Among this technical scheme, drive gear and driven gear form the gear pair, form stable transmission relation, and drive arrangement can drive the steady rotation of rotating support, has increased the reliability when rotating support rotates.
One of the objects of the present invention is to provide an optical system, wherein a lens adjusting mechanism is disposed in the optical system.
Compared with the prior art, the utility model provides a pair of lens adjustment mechanism and optical system have following beneficial effect:
1. through the setting of the groove that slides on rotating the support, rotating the support and rotating the in-process, can drive the groove that slides and rotate, realized the change of sliding block position then, realized the change that sets up lens position on the frame that slides then, can realize less linear motion through great rotation amplitude, increased the precision in the lens motion process, increased lens adjustment mechanism's application scope.
2. Through will sliding the frame and rotate the support and set up the inside and outside both sides at the fixing base respectively, reduced the frame that slides and rotated the possibility of relative friction between the support, reduced the frame that slides and rotated the possibility of support wearing and tearing, increased lens adjustment mechanism's life.
3. Through locking device's setting, increased the restraint between runing rest and the fixing base, reduced the possibility that runing rest rocked when need not to rotate, increased runing rest's stability.
4. Through the limitation of the width of the sliding groove and the sliding block, the possibility of generating return stroke difference when the sliding block slides in the sliding groove is reduced, and the precision of the sliding frame provided with the lens during sliding is further increased.
Drawings
The above features, technical features, advantages and implementations of a lens adjustment mechanism and optical system will be further described in the following detailed description of preferred embodiments in a clearly understandable manner, in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of a lens adjusting mechanism according to the present invention;
fig. 2 is an exploded view of a lens adjustment mechanism of the present invention;
FIG. 3 is a schematic structural view of a locking device in a lens adjusting mechanism according to the present invention;
fig. 4 is a schematic partial structural diagram of an optical system according to the present invention.
The reference numbers illustrate: 10. a fixed seat; 11. passing through the opening; 12. a drive gear; 20. rotating the bracket; 21. a sliding groove; 22. a locking groove; 23. a driven gear; 30. a sliding frame; 31. mounting grooves; 32. a sliding block; 40. a locking device; 401. an abutting portion; 402. a limiting part; 41. a locking member; 42. a butt joint groove; 43. a locking block; 44. adjusting the opening; 50. a drive device.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
According to an embodiment of the present invention, as shown in fig. 1 and 2, a lens adjusting mechanism includes:
the fixing base 10, the fixing base 10 can be disposed in the optical system, in this embodiment, a main body portion of the fixing base 10 is a hollow cylindrical structure, and the fixing base 10 is disposed vertically; the fixed seat 10 is provided with a rotating bracket 20, the rotating bracket 20 is of a cylindrical structure, the rotating bracket 20 can be sleeved outside the fixed seat 10 or embedded inside the fixed seat 10, and the rotating bracket 20 is rotatably connected to the fixed seat 10 along the axis direction thereof, namely, the rotating bracket 20 can horizontally rotate on the fixed seat 10; specifically, in this embodiment, one end of the rotating bracket 20 can also abut against the fixed seat 10, so that the possibility of the rotating bracket 20 sliding along the axial direction thereof is reduced, and the reliability of the rotating bracket 20 during rotation is increased.
Still be equipped with the frame 30 that slides in the fixing base 10, be equipped with the mounting groove 31 that is used for installing the lens on the frame 30 that slides, the frame 30 that slides along the axis direction that is on a parallel with the rotating support 20 sets up in fixing base 10, consequently, slides the in-process at the frame 30 that slides, and the lens can follow the frame 30 motion that slides, has realized then that the focal length of the optical system who installs the lens adjustment mechanism that this embodiment describes adjusts.
A sliding groove 21 is formed in the rotating support 20, the sliding groove 21 is obliquely arranged on the rotating support 20, an included angle is formed between the extending direction of the sliding groove 21 and the axis direction of the rotating support 20, namely the extending direction of the sliding groove 21 is not completely in a vertical plane; an included angle is formed between the extending direction of the sliding groove 21 and a plane perpendicular to the axis of the rotating bracket 20, namely the catch direction of the sliding groove 21 is not completely in the horizontal plane; therefore, in the present embodiment, the left and right ends of the slide groove 21 are higher at one end and lower at the other end.
The sliding frame 30 is provided with a sliding block 32 embedded in the sliding groove 21; when the rotating bracket 20 rotates, the sliding block 32 is driven to slide along the extending direction of the sliding groove 21.
In this embodiment, the left end of the sliding groove 21 is lower, and the right end is higher, so that when the rotating bracket 20 rotates clockwise, the sliding groove 21 arranged on the rotating bracket 20 rotates clockwise along with the rotating bracket 20, the inner wall of the lower side of the sliding groove 21 applies pressure to the sliding block 32, and drives the sliding block 32 to move upwards, until the rotating bracket 20 stops rotating, the sliding block 32 stops moving upwards; similarly, when the rotating bracket 20 rotates counterclockwise, the sliding block 32 moves downward.
In this embodiment, through the setting of the groove 21 that slides on the rotating support 20, rotating support 20 rotates the in-process, can drive the groove 21 that slides and rotate, has realized the change of sliding block 32 position then, has realized the change that sets up lens position on the frame 30 that slides then, can realize less linear motion through great rotation amplitude, has increased the precision in the lens motion process, has increased lens adjustment mechanism's application scope.
Specifically, the frame 30 that slides inlays and locates the inboard of fixing base 10, and the rotating bracket 20 sets up in the outside of fixing base 10, offers the opening 11 that passes that is used for the sliding block 32 to pass on the fixing base 10, passes opening 11 and can set up on fixing base 10 along the axis direction that is on a parallel with rotating bracket 20, passes opening 11 and vertically sets up on fixing base 10 promptly.
In this embodiment, the sliding frame 30 and the rotating bracket 20 are respectively arranged on the inner side and the outer side of the fixed seat 10, so that the possibility of relative friction between the sliding frame 30 and the rotating bracket 20 is reduced, the possibility of abrasion between the sliding frame 30 and the rotating bracket 20 is reduced, and the service life of the lens adjusting mechanism is prolonged; meanwhile, the sliding frame 30 and the rotating support 20 can be respectively matched with the fixing seat 10, so that the possibility of shaking the sliding frame 30 and the rotating support 20 is reduced, and the stability of the sliding frame 30 during sliding and the stability of the rotating support 20 during rotating are improved.
Preferably, the width passing through the opening 11 in the horizontal direction is equal to the width of the sliding block 32, so that the inner walls passing through the two sides of the opening 11 can limit the sliding block 32, the possibility of shaking the sliding frame 30 is further reduced, and the stability of the sliding frame 30 is increased.
According to another embodiment of the present invention, as shown in fig. 1 to 3, a lens adjusting mechanism is provided, which is different from the first embodiment in the arrangement of the locking device 40.
On the basis of the first embodiment, in the present embodiment, the fixing base 10 is provided with a locking device 40 for locking the rotating bracket 20 to the fixing base 10, and the locking device 40 is connected to the fixing base 10 through a locking member 41; specifically, the locking member 41 is a mechanism for fixing the component to another component, such as a bolt, an electromagnetic attraction component, a magnetic attraction structure, a buckle structure, and the like; in this embodiment, the locking member 41 is a locking bolt, and the fixing base 10 is further provided with a locking screw hole matched with the locking bolt; preferably, the locking device 40 and the locking member 41 in this embodiment can be provided in a plurality, and the plurality of locking devices 40 and the locking member 41 can surround the fixing base 10 along the axis of the fixing base 10.
In this embodiment, through the setting of locking device 40, increased the restraint between runing rest 20 and fixing base 10, reduced runing rest 20 and need not the possibility that rocks when rotating, increased runing rest 20's stability.
Preferably, the side of the locking device 40 close to the rotating bracket 20 is provided with an abutting groove 42, i.e. the abutting groove 42 is arranged at the inner side of the rotating bracket 20, and the radius of the abutting groove 42 is equal to the radius of the rotating bracket 20.
When the locking device 40 locks the rotating bracket 20 to the fixed seat 10, the outer wall of the rotating bracket 20 abuts against the inner wall of the abutting groove 42.
In this embodiment, by the arrangement of the abutting groove 42, the contact area between the rotating bracket 20 and the locking device 40 is increased, the possibility of the locking device 40 shaking in the locking state is reduced, and the locking effect of the locking device 40 on the rotating bracket 20 is increased.
Specifically, the locking device 40 includes an abutting portion 401 and a limiting portion 402, the abutting portion 401 is close to the rotating bracket 20, that is, the abutting portion 401 is disposed at the upper side and is used for abutting against the rotating bracket 20 at the upper end; the position-limiting portion 402 is far away from the rotating bracket 20, i.e. the position-limiting portion 402 is disposed at the lower side for the locking member 41 to be connected to the fixing base 10.
When the locking device 40 locks the rotating bracket 20 to the fixing base 10, one side of the rotating bracket 20 close to the limiting portion 402 abuts against the limiting portion 402, that is, the lower side of the rotating bracket 20 can abut against the limiting portion 402.
The abutting portion 401 and the inner fixing seat 10 limit the horizontal movement of the rotating bracket 20, the upper fixing seat 10 and the limiting portion 402 of the rotating bracket 20 limit the vertical movement of the rotating bracket 20, and when the locking member 41 abuts the locking device 40 on the rotating bracket 20, the abutting portion 401 and the inner fixing seat 10 limit the rotation of the rotating bracket 20.
In this embodiment, by the arrangement of the limiting portion 402, the restriction of the rotating bracket 20 is increased, the possibility of the rotating bracket 20 shaking in the rotating process is reduced, and the stability of the rotating bracket 20 during rotation is increased.
According to another embodiment of the present invention, as shown in fig. 1 to 3, a lens adjusting mechanism is provided, which is different from the second embodiment in the arrangement of the locking groove 22.
On the basis of the second embodiment, in the present embodiment, the rotating bracket 20 is provided with the locking groove 22, the locking device 40 is provided with the locking block 43 for being embedded in the locking groove 22, the locking groove 22 is adapted to the locking block 43, and preferably, the locking block 43 can be clamped in the locking groove 22.
In this embodiment, through the arrangement of the locking groove 22 and the locking block 43, the restriction between the rotating bracket 20 and the locking device 40 is further increased, the possibility of shaking of the locking device 40 is reduced, then the possibility of shaking of the rotating bracket 20 in the locking state is reduced, and the stability of the rotating bracket 20 in the locking state is increased.
Specifically, the plurality of locking grooves 22 are provided, and the plurality of locking grooves 22 are circumferentially provided on the rotating bracket 20 along the axis of the rotating bracket 20; in this embodiment, the number of the locking grooves 22 is three, and the locking grooves 22 are disposed at the outer edge of the lower end of the rotating bracket 20, that is, after the rotating bracket 20 rotates by a certain angle, the user can embed the locking block 43 in any one of the three locking grooves 22, so as to lock the rotating bracket 20.
In this embodiment, the locking of the plurality of positions of the rotating bracket 20 is realized by the plurality of locking grooves 22, so that the stability of the rotating bracket 20 in the locked state is increased, and the stability of the sliding frame 30 is further increased.
And/or the locking device 40 is provided with an adjusting opening 44 for the locking member 41 to pass through, the adjusting opening 44 is arranged on the locking device 40 along the direction perpendicular to the axial direction of the rotating bracket 20, namely, the adjusting opening 44 can be horizontally arranged on the locking device 40; preferably, the adjustment opening 44 is a counter bore, and the upper end of the locking member 41 can be embedded in the adjustment opening 44.
In this embodiment, the adjustment of the opening 44 facilitates the user to calibrate the angle of the rotating bracket 20 in the locked state, thereby achieving the adjustment of the position of the sliding frame 30 and increasing the accuracy of the lens adjustment.
According to a modification of any of the above embodiments, in this embodiment, the width of the sliding slot 21 is equal to the outer diameter of the sliding block 32, and the outer wall of the sliding block 32 abuts against the inner walls of both sides of the sliding slot 21, that is, the upper and lower sides of the sliding block 32 abut against the inner walls of both sides of the sliding slot 21.
In this embodiment, the width of the sliding groove 21 and the width of the sliding block 32 are limited, so that the possibility of a return difference generated when the sliding block 32 slides in the sliding groove 21 is reduced, and the precision of the sliding frame 30 with the lenses is further increased when sliding.
According to the improvement of any one of the above embodiments, in the present embodiment, the driven gear 23 is provided on the rotating bracket 20, and the driven gear 23 can be coaxially provided at the upper end of the rotating bracket 20; the fixing base 10 is provided with a driving gear 12 meshed with the driven gear 23, the fixing base 10 is further provided with a driving device 50 used for driving the driving gear 12 to rotate, and the driving device 50 mainly refers to a stepping motor.
In this embodiment, the driving gear 12 and the driven gear 23 form a gear pair to form a stable transmission relationship, and the driving device 50 can drive the rotating bracket 20 to rotate stably, so as to increase the reliability of the rotating bracket 20 during rotation.
According to an embodiment of the present invention, as shown in fig. 1 to 4, an optical system is provided, in which a lens adjusting mechanism as described in any of the above embodiments is disposed.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A lens adjustment mechanism, comprising:
the rotating bracket is rotatably connected to the fixed seat along the axis direction of the rotating bracket;
a sliding frame is further arranged in the fixed seat, an installation groove for installing a lens is formed in the sliding frame, and the sliding frame is arranged on the fixed seat in a sliding mode along the direction parallel to the axis of the rotating support;
the rotating support is provided with a sliding groove, the sliding groove is obliquely arranged on the rotating support, an included angle is formed between the extending direction of the sliding groove and the axis direction of the rotating support, and an included angle is formed between the extending direction of the sliding groove and a plane perpendicular to the axis of the rotating support;
the sliding frame is provided with a sliding block embedded in the sliding groove;
the rotating support rotates to drive the sliding block to slide along the extending direction of the sliding groove.
2. A lens adjustment mechanism according to claim 1, wherein:
the sliding frame is embedded in the inner side of the fixing seat, the rotating support is arranged in the outer side of the fixing seat, and a penetrating opening for the sliding block to penetrate is formed in the fixing seat.
3. A lens adjustment mechanism according to claim 1, wherein:
the fixing seat is provided with a locking device used for locking the rotating bracket on the fixing seat, and the locking device is connected with the fixing seat through a locking piece.
4. A lens adjustment mechanism according to claim 3, wherein:
one side of the locking device, which is close to the rotating support, is provided with an abutting groove, and the radius of the abutting groove is equal to that of the rotating support;
when the locking device locks the rotating support on the fixed seat, the outer wall of the rotating support abuts against the inner wall of the abutting groove.
5. A lens adjustment mechanism according to claim 3, wherein:
the locking device comprises an abutting part and a limiting part, the abutting part is close to the rotating bracket and is used for abutting against the rotating bracket, and the limiting part is far away from the rotating bracket and is used for connecting the locking part with the fixed seat;
when the locking device locks the rotating support on the fixed seat, one side of the rotating support, which is close to the limiting part, abuts against the limiting part.
6. A lens adjustment mechanism according to claim 3, wherein:
the rotary support is provided with a locking groove, and the locking device is provided with a locking block which is embedded in the locking groove.
7. The lens adjustment mechanism of claim 6, wherein:
the locking groove sets up to a plurality ofly, and is a plurality of locking groove along the axis of rotating the support encircles and sets up in rotating on the support.
8. The lens adjustment mechanism of claim 6, wherein:
the locking device is provided with an adjusting opening for the locking piece to pass through, and the adjusting opening is arranged in the locking device along the direction perpendicular to the axis of the rotating support.
9. A lens adjustment mechanism according to any one of claims 1 to 8, wherein:
the width of the sliding groove is equal to the outer diameter of the sliding block;
the outer wall of the sliding block is abutted to the inner walls of the two sides of the sliding groove.
10. A lens adjustment mechanism according to any one of claims 1 to 8, wherein:
the rotating support is provided with a driven gear, the fixing seat is provided with a driving gear meshed with the driven gear, and the fixing seat is further provided with a driving device used for driving the driving gear to rotate.
11. An optical system, characterized by: a lens adjusting mechanism as claimed in any one of claims 1 to 10 is provided in the optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922275393.8U CN210954456U (en) | 2019-12-18 | 2019-12-18 | Lens adjustment mechanism and optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922275393.8U CN210954456U (en) | 2019-12-18 | 2019-12-18 | Lens adjustment mechanism and optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210954456U true CN210954456U (en) | 2020-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922275393.8U Active CN210954456U (en) | 2019-12-18 | 2019-12-18 | Lens adjustment mechanism and optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210954456U (en) |
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2019
- 2019-12-18 CN CN201922275393.8U patent/CN210954456U/en active Active
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Address after: 314000 No.188, Taojing Road, Gaozhao street, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Zhongrun Optical Technology Co.,Ltd. Address before: 314000 No.188, Taojing Road, Gaozhao street, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: JIAXING ZHONGRUN OPTICAL SCIENCE AND TECHNOLOGY Co.,Ltd. |