CN217543523U - Balanced type anti-seismic micro-motion focusing device - Google Patents
Balanced type anti-seismic micro-motion focusing device Download PDFInfo
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- CN217543523U CN217543523U CN202220511998.1U CN202220511998U CN217543523U CN 217543523 U CN217543523 U CN 217543523U CN 202220511998 U CN202220511998 U CN 202220511998U CN 217543523 U CN217543523 U CN 217543523U
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Abstract
The utility model relates to an optical imaging technical field, concretely relates to balanced type antidetonation fine motion focusing device, including the deformation body and driving source, the driving source symmetry sets up in the both sides of deformation body, and with deformation body fixed connection, the driving source includes piezoceramics and flexible hinge, flexible hinge sets up in the both sides of deformation body, and with deformation body fixed connection, piezoceramics sets up in the inboard of flexible hinge, and with flexible hinge fixed connection, through the horizontal extension length that changes electric field intensity control piezoceramics, the flexible hinge top that will bend is straight, and then change the thickness of deformation body, thereby the focus is adjusted to the realization, the realization is through controlling electric field intensity focusing, it is lower to have solved current focusing equipment regulation precision, governing speed is slow, the problem that rigidity is not enough.
Description
Technical Field
The utility model relates to an optical imaging technical field especially relates to a balanced type antidetonation fine motion focusing device.
Background
In a microscope, in order to effectively observe a sample on an object stage, the position of the object stage in the left-right, front-back and up-down directions needs to be adjusted, so that a specific area of the sample is presented in an observation visual field with proper definition, the microscope needs to accurately focus a lens, the precision and the shock resistance are very high, manual adjustment is usually only suitable for observing a larger sample, and excessive adjustment is easily caused for the observation operation of a small sample;
therefore, when a small sample is observed, a microscope is mostly adjusted through a focusing device, and devices capable of accurately focusing microscopes, focusing lenses and the like are available in the market, and screw rod driving, gear rack driving and the like are common;
the existing focusing device is low in adjusting precision, and although the adjusting stroke of mechanical transmission structures such as a screw rod drive structure, a gear rack drive structure and the like is large, due to the fact that fit gaps exist among a plurality of mechanical parts, the accumulated tolerance of the combined plurality of mechanical parts is large, so that the adjusting precision is low, the size is large usually, and the reaction speed is slow.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a balanced type antidetonation fine motion focusing device solves current focusing equipment and adjusts the problem that the precision is lower, governing speed is slow, rigidity is not enough.
In order to achieve the above object, the utility model provides a balanced type antidetonation fine motion focusing device, including the deformation body and driving source, the driving source symmetry set up in the both sides of the deformation body, and with deformation body fixed connection, the driving source includes piezoceramics and flexible hinge, flexible hinge set up in the both sides of the deformation body, and with deformation body fixed connection, piezoceramics set up in the inboard of flexible hinge, and with flexible hinge fixed connection.
The flexible hinge comprises an elastic plate and a fixing seat, wherein the elastic plate is provided with a stand column, the fixing seat is symmetrically arranged at two ends of the piezoelectric ceramics and fixedly connected with the piezoelectric ceramics, the elastic plate is symmetrically arranged at the upper side and the lower side of the piezoelectric ceramics, and two ends of the elastic plate are respectively adjacent to the fixing seat and fixedly connected with the fixing seat.
Wherein, the deformation body includes roof and bottom plate, the roof set up in the top of flexible hinge, and with, the bottom plate sets up in the top of flexible hinge, and with flexible hinge fixed connection, the bottom plate set up in the below of flexible hinge, and with flexible hinge fixed connection.
The top plate is provided with a connecting column and a lens cone mounting interface, the lens cone mounting interface is arranged on the top surface of the top plate and penetrates through the top plate, the connecting columns are symmetrically arranged on two sides of the bottom surface of the top plate, and the connecting columns are fixedly connected with the flexible hinges.
The bottom plate is provided with an upright column and a lens mounting interface, the lens mounting interface is arranged on the bottom surface of the bottom plate and penetrates through the bottom plate, the lens mounting interface and the lens cone mounting interface are arranged coaxially, the upright columns are symmetrically arranged on two sides of the top of the bottom plate, and the upright columns are fixedly connected with the flexible hinges.
The utility model discloses a balanced type antidetonation fine motion focusing device changes electric field strength control piezoceramics's horizontal extension length will be crooked flexible hinge top is straight, and then changes the thickness of the variant body to the focus adjustment realizes having solved current focusing equipment and has adjusted the problem that the precision is lower, governing speed is slow, rigidity is not enough through control electric field strength focus adjustment.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions in the present application, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of the shaft measuring structure of a balanced anti-seismic micro-motion focusing device provided by the utility model.
Fig. 2 is a schematic view of the front view structure of a balanced anti-seismic micro-motion focusing device provided by the utility model.
Fig. 3 is the utility model provides a pair of balanced type antidetonation fine motion focusing device look sideways at section structure sketch map.
The lens driving device comprises a driving source 1, a deforming body 2, piezoelectric ceramics 3, a flexible hinge 4, a top plate 5, a bottom plate 6, an elastic plate 7, a fixed seat 8, a connecting column 9, a lens cone mounting interface 10, an upright column 11 and a lens mounting interface 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Please refer to fig. 1 to 3, the utility model provides a balanced type antidetonation fine motion focusing device, it is compound including the variant 2 and driving source 1, driving source 1 symmetry set up in the both sides of variant 2, and with variant 2 fixed connection, driving source 1 includes piezoceramics 3 and flexible hinge 4, flexible hinge 4 set up in the both sides of variant 2, and with variant 2 fixed connection, piezoceramics 3 set up in flexible hinge 4's inboard, and with flexible hinge 4 fixed connection.
In this embodiment, the variant 2 is connected microscope camera lens and microscope lens cone, through driving source 1 control the thickness of variant 2, and then focuses on the microscope when driving source 1 does not switch on, flexible hinge 4 is the bending state, accessible the different crooked direction change of flexible hinge 4 the focusing mode of variant 2, piezoceramics 3 can take place deformation extension under receiving the electric field effect, changes electric field strength control piezoceramics 3's horizontal extension length will be crooked flexible hinge 4 top is straight, and then changes the thickness of variant 2 to the focus adjustment is realized through control electric field strength adjustment focus, has solved current focusing equipment and has adjusted the problem that the precision is lower, the governing speed is slow, rigidity is not enough.
Further, flexible hinge 4 is including elastic plate 7 and the fixing base 8 that is equipped with stand 11, the fixing base 8 symmetry set up in piezoceramics 3's both ends, and with piezoceramics 3 fixed connection, elastic plate 7 symmetry set up in piezoceramics 3's upper and lower both sides, just elastic plate 7's both ends respectively with adjacent fixing base 8 fixed connection.
In this embodiment, the middle section of elastic plate 7 with 2 fixed connection of deformation, elastic plate 7 is in when 3 not electrified of piezoceramics, be in crooked state, drive 2 removals of deformation, according to the crooked direction of elastic plate 7, deformation 2 has different regulation modes, works as elastic plate 7 to when 3 directions of piezoceramics are crooked, 3 extensions of piezoceramics promote fixing base 8, fixing base 8 removes to both sides, will be crooked elastic plate 7 straightens, elastic plate 7 promotes deformation 2 makes 2 thickness of deformation increases, works as elastic plate 7 to when 2 directions of deformation are crooked, 3 extensions of piezoceramics promote fixing base 8, fixing base 8 removes to both sides, will be crooked elastic plate 7 straightens, elastic plate 7 stimulates deformation 2 makes 2 thickness of deformation reduces.
Further, the deformable body 2 comprises a top plate 5 and a bottom plate 6, the top plate 5 is arranged above the flexible hinge 4 and is fixedly connected with the flexible hinge 4, the bottom plate 6 is arranged below the flexible hinge 4 and is fixedly connected with the flexible hinge 4, and the bottom plate 6 is arranged below the flexible hinge 4 and is fixedly connected with the flexible hinge 4;
the top plate 5 is provided with a connecting column 9 and a lens cone mounting interface 10, the lens cone mounting interface 10 is arranged on the top surface of the top plate 5 and penetrates through the top plate 5, the connecting columns 9 are symmetrically arranged on two sides of the bottom surface of the top plate 5, and the connecting columns 9 are fixedly connected with the flexible hinges 4;
the bottom plate 6 is provided with an upright post 11 and a lens mounting interface 12, the lens mounting interface 12 is arranged on the bottom surface of the bottom plate 6 and penetrates through the bottom plate 6, the lens mounting interface 12 and the lens cone mounting interface 10 are arranged coaxially, the upright posts 11 are symmetrically arranged on two sides of the top of the bottom plate 6, and the upright posts 11 are fixedly connected with the flexible hinges 4.
In this embodiment, the top plate 5 is connected to the microscope lens barrel through the lens barrel mounting interface 10, the bottom plate 6 is connected to the microscope lens through the lens mounting interface 12, the top plate 5 and the bottom plate 6 are connected through the flexible hinge 4, when the elastic plate 7 bends toward the piezoelectric ceramic 3, the piezoelectric ceramic 3 extends to push the fixing seat 8, the fixing seat 8 moves toward both sides to straighten the elastic plate 7, the elastic plate 7 located above pushes the top plate 5 through the connecting post 9, the elastic plate 7 located below pushes the bottom plate 6 through the upright post 11, so that the distance between the top plate 5 and the bottom plate 6 is increased, when the elastic plate 7 bends toward the piezoelectric ceramic 3, the piezoelectric ceramic 3 extends to push the fixing seat 8, the fixing seat 8 moves toward both sides to straighten the elastic plate 7, which is bent, the elastic plate 7 located above pulls the top plate 5 through the connecting post 9, and the elastic plate 7 located below pulls the bottom plate 6 through the upright post 11, so that the distance between the top plate 5 and the bottom plate 6 is decreased.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A balanced type shock-proof micro-motion focusing device, which is characterized in that,
including the deformation body and driving source, the driving source symmetry set up in the both sides of the deformation body, and with the deformation body fixed connection, the driving source includes piezoceramics and flexible hinge, flexible hinge set up in the both sides of the deformation body, and with the deformation body fixed connection, piezoceramics set up in the inboard of flexible hinge, and with flexible hinge fixed connection.
2. The balanced, shock-resistant, fine-focus adjustment apparatus of claim 1,
the flexible hinge comprises an elastic plate and a fixing seat, wherein the elastic plate is provided with a stand column, the fixing seat is symmetrically arranged at two ends of the piezoelectric ceramics and fixedly connected with the piezoelectric ceramics, the elastic plate is symmetrically arranged at the upper and lower sides of the piezoelectric ceramics, and two ends of the elastic plate are respectively adjacent to the fixing seat and fixedly connected with the fixing seat.
3. The balanced, shock resistant fine focus adjustment apparatus of claim 1,
the deformation body includes roof and bottom plate, the roof set up in the top of flexible hinge, and with flexible hinge fixed connection, the bottom plate sets up in the below of flexible hinge, and with flexible hinge fixed connection, the bottom plate set up in the below of flexible hinge, and with flexible hinge fixed connection.
4. The balanced, shock resistant fine focus adjustment apparatus of claim 3,
the top plate is provided with a connecting column and a lens cone mounting interface, the lens cone mounting interface is arranged on the top surface of the top plate and penetrates through the top plate, the connecting columns are symmetrically arranged on two sides of the bottom surface of the top plate, and the connecting columns are fixedly connected with the flexible hinges.
5. The balanced, shock resistant fine focus adjustment apparatus of claim 4,
the bottom plate is provided with an upright post and a lens mounting interface, the lens mounting interface is arranged on the bottom surface of the bottom plate and penetrates through the bottom plate, the lens mounting interface and the lens cone mounting interface are arranged coaxially, the upright posts are symmetrically arranged on two sides of the top of the bottom plate, and the upright posts are fixedly connected with the flexible hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511998.1U CN217543523U (en) | 2022-03-10 | 2022-03-10 | Balanced type anti-seismic micro-motion focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511998.1U CN217543523U (en) | 2022-03-10 | 2022-03-10 | Balanced type anti-seismic micro-motion focusing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217543523U true CN217543523U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220511998.1U Active CN217543523U (en) | 2022-03-10 | 2022-03-10 | Balanced type anti-seismic micro-motion focusing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217543523U (en) |
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- 2022-03-10 CN CN202220511998.1U patent/CN217543523U/en active Active
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