CN221200072U - Focusing mechanism and optical device - Google Patents
Focusing mechanism and optical device Download PDFInfo
- Publication number
- CN221200072U CN221200072U CN202322854208.7U CN202322854208U CN221200072U CN 221200072 U CN221200072 U CN 221200072U CN 202322854208 U CN202322854208 U CN 202322854208U CN 221200072 U CN221200072 U CN 221200072U
- Authority
- CN
- China
- Prior art keywords
- seat
- base
- lens
- movable
- utility
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Abstract
The utility model discloses a focusing mechanism and optical equipment, wherein the focusing mechanism comprises a lens group, a lens seat, a camera, an adjusting component and an adjusting knob, wherein the lens seat is fixed with the lens group; the camera is arranged on the lens seat; the adjusting component is arranged in the lens seat and can drive the lens seat to ascend or descend along the vertical direction; the adjusting knob is connected with the adjusting assembly and can drive the adjusting assembly to move along the vertical direction when being rotated. The utility model can meet higher precision requirements, so that the operation is simpler, and the focusing precision is higher.
Description
Technical Field
The utility model relates to the technical field of industrial vision detection, in particular to a focusing mechanism and optical equipment.
Background
In industrial vision detection application, various vision detection equipment needs to focus in the detection process, for example, the focusing precision requirement of a microscope and other vision systems is higher and higher, and is generally up to the micron level, and in the related technology, the existing adjusting mechanism cannot meet the higher precision requirement, and has complex operation and insufficient focusing precision.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present utility model is to propose a focusing mechanism comprising:
A lens group;
The lens seat is fixed with the lens group;
the camera is arranged on the lens seat and is communicated with the lens group in a light path;
The adjusting component is arranged in the lens seat and can drive the lens seat to ascend or descend along the vertical direction;
The adjusting knob is connected with the adjusting assembly and can drive the adjusting assembly to move along the vertical direction when being rotated.
Preferably, the lens mount includes:
A base;
The movable seat is arranged on the base and can move along the vertical direction, and the camera is fixed on the movable seat;
The guide piece is embedded between the movable seat and the base.
Preferably, the inner side of the movable seat is provided with a first guide groove, the outer side of the base is provided with a second guide groove, and two sides of the guide piece are respectively embedded in the first guide groove and the second guide groove.
Preferably, the adjusting assembly comprises:
the worm is rotatably arranged on the movable seat;
The worm wheel is rotatably arranged between the base and the movable seat and is meshed with the worm for transmission;
the connecting cylinder is arranged between the worm wheel and the movable seat.
Preferably, a screw seat is arranged on the lens group, an interface seat is arranged in the worm wheel, and the interface seat is in threaded connection with the screw seat.
Preferably, the adjusting knob is connected with one end of the worm, and graduation lines are marked on the peripheral surface of the adjusting knob.
Preferably, a connecting seat is arranged at the top of the movable seat, and the camera is fixed on the movable seat through the connecting seat.
Another object of the present utility model is to propose an optical device comprising a focusing mechanism as described above.
The scheme of the utility model at least comprises the following beneficial effects:
According to the focusing mechanism provided by the utility model, the adjusting knob is rotated to drive the adjusting assembly to move along the vertical direction, so that the lens base can be driven to ascend or descend by the adjusting assembly, the focal length of the camera can be adjusted along with the movement of the lens base, and further, the higher precision requirement can be met, the operation is simpler, and the focusing precision is higher.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a focusing mechanism provided in an embodiment of the present utility model;
FIG. 2 is a schematic view of an adjustment assembly and an adjustment knob provided in an embodiment of the present utility model;
FIG. 3 is an exploded view of an adjustment assembly and an adjustment knob provided in an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a lens group according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of an adjustment knob provided in an embodiment of the present utility model;
Reference numerals illustrate:
P10, lens group; 10. a lens base; 11. a base; 111. a second guide groove; 12. a movable seat; 121. a first guide groove; 13. a guide member; 14. a screw seat; 15. a connecting seat; 20. a camera; 30. an adjustment assembly; 31. a worm; 32. a worm wheel; 33. a connecting cylinder; 34. an interface seat; 40. an adjustment knob; 401. graduation marks.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The focus mechanism and the optical apparatus according to the embodiment of the present utility model are described in detail below with reference to the drawings.
Referring to fig. 1 to 5, a focusing mechanism provided in an embodiment of the present utility model includes a lens group P10, a lens base 10, a camera 20, an adjusting component 30 and an adjusting knob 40, wherein the lens base 10 is fixed to the lens group P10, and the camera 20 is disposed on the lens base 10 and is in optical path communication with the lens group P10; the adjusting component 30 is arranged in the lens seat 10 and can drive the lens seat 10 to ascend or descend along the vertical direction; the adjustment knob 40 is coupled to the adjustment assembly 30 and, when rotated, drives the adjustment assembly 30 to move in a vertical direction.
The lens group P10 may include a light path channel, an eyepiece, an objective lens, and the like, and in the focusing process, the lens group P10 may be aligned to the object to be detected, so that the camera 20 may shoot a light spot on the object to be detected through the light path channel, and then adjust the height of the camera 20 to complete focusing, so that focusing is simpler.
According to the focusing mechanism provided by the utility model, the adjusting knob 40 is rotated to drive the adjusting assembly 30 to move along the vertical direction, so that the lens seat 10 can be driven to ascend or descend by the adjusting assembly 30, thereby adjusting the focal length of the camera 20 along with the movement of the lens seat 10, further achieving higher precision requirements, and enabling the operation to be simpler and the focusing precision to be higher.
Referring to fig. 2 to 4, the lens mount 10 includes a base 11, a moving mount 12, and a guide 13, the moving mount 12 being provided on the base 11 and being movable in a vertical direction, and a camera 20 being fixed to the moving mount 12; the guide 13 is embedded between the movable base 12 and the base 11.
In this embodiment, when the adjusting knob 40 is turned, the adjusting component 30 can drive the moving seat 12 to move, and the moving seat 12 can move along the direction of the guide member 13, so as to keep the camera 20 on the same straight line in the adjusting process, and further ensure more accurate detection during detection; it will be appreciated that the guide member 13 may be fixed to the movable base 12, and when the movable base 12 moves, the guide member 13 may move along with the movable base 12 while remaining on the same straight line, and the guide member 13 may also be fixed to the base 11, so that when the movable base 12 moves, the guide member 13 may be limited to move along with the movable base 12 while remaining on the same straight line, and overall stability is better.
Further, the inner side of the movable seat 12 is provided with a first guiding groove 121, the outer side of the base 11 is provided with a second guiding groove 111, and two sides of the guiding piece 13 are respectively embedded in the first guiding groove 121 and the second guiding groove 111. Wherein, can extend along vertical direction through first guide slot 121 and second guide slot 111, through restricting first guide slot 121 and second guide slot 111 with guide 13 for when moving seat 12 and moving relative base 11, can keep moving on the same straight line, overall structure is more reliable and stable.
Specifically, the adjusting assembly 30 includes a worm 31, a worm wheel 32, and a connecting cylinder 33, where the worm 31 is rotatably disposed on the moving seat 12; the worm wheel 32 is rotatably arranged between the base 11 and the movable seat 12 and is meshed with the worm 31 for transmission; the connecting cylinder 33 is arranged between the worm wheel 32 and the movable seat 12; further, the lens group P10 is provided with a screw seat 14, the worm wheel 32 is provided with an interface seat 34, and the interface seat 34 is in threaded connection with the screw seat 14.
In this embodiment, when the worm 31 is rotated, the worm wheel 32 can rotate along with the worm 31, so that a threaded rotation is formed between the interface seat 34 and the threaded seat 14, so that the worm wheel 32 can ascend or descend relative to the threaded seat 14, and further the connecting cylinder 33 and the moving seat 12 are driven to move together, so that the camera 20 can be adjusted to different focal lengths on the moving seat 12, and the adjustment is simpler and more convenient; it will be appreciated that the lens assembly P10, the screw mount 14, the worm gear 32, the connecting cylinder 33 and the moving mount 12 may be formed with a light path through which a light beam may pass during the inspection process to allow the camera 20 to receive the light beam and complete the inspection.
Specifically, the adjusting knob 40 is connected to one end of the worm 31, and graduation marks 401 are marked on the circumferential surface of the adjusting knob 40. Wherein, the scale mark 401 may include multiple scales, when the focal length of the camera 20 is adjusted by the adjusting knob 40, the adjusting knob 40 may be turned to the corresponding scale mark 401, so as to ensure that the camera 20 can be focused accurately, and the camera 20 is adjusted more accurately.
Optionally, a connecting seat 15 is provided on the top of the movable seat 12, and the camera 20 is fixed on the movable seat 12 through the connecting seat 15. When the movable base 12 moves, the connecting base 15 can rise or fall along with the movable base 12, so that the camera 20 rises or falls and completes focusing, and focusing is simpler.
The optical apparatus provided in the embodiment of the present utility model includes the focusing mechanism as described above. When the above focusing mechanism is adopted for focusing, the optical device can drive the adjusting component 30 to move along the vertical direction by rotating the adjusting knob 40, so that the lens holder 10 can be driven to rise or fall by the adjusting component 30, thereby adjusting the focal length of the camera 20 along with the movement of the lens holder 10, further achieving higher precision requirements, and making the operation simpler and the focusing precision higher.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. A focus adjustment mechanism, comprising:
A lens group;
The lens seat is fixed with the lens group;
the camera is arranged on the lens seat and is communicated with the lens group in a light path;
The adjusting component is arranged in the lens seat and can drive the lens seat to ascend or descend along the vertical direction;
The adjusting knob is connected with the adjusting assembly and can drive the adjusting assembly to move along the vertical direction when being rotated.
2. The focus mechanism of claim 1, wherein the lens mount comprises:
A base;
The movable seat is arranged on the base and can move along the vertical direction, and the camera is fixed on the movable seat;
The guide piece is embedded between the movable seat and the base.
3. The focusing mechanism of claim 2, wherein the inner side of the movable base is provided with a first guide groove, the outer side of the base is provided with a second guide groove, and two sides of the guide piece are respectively embedded in the first guide groove and the second guide groove.
4. The focus mechanism of claim 2, wherein the adjustment assembly comprises:
the worm is rotatably arranged on the movable seat;
The worm wheel is rotatably arranged between the base and the movable seat and is meshed with the worm for transmission;
the connecting cylinder is arranged between the worm wheel and the movable seat.
5. The focusing mechanism of claim 4, wherein the lens group is provided with a screw seat, the worm wheel is internally provided with an interface seat, and the interface seat is in screw connection with the screw seat.
6. The focus adjustment mechanism of claim 4, wherein the adjustment knob is connected to one end of the worm and graduation marks are marked on a circumferential surface of the adjustment knob.
7. The focusing mechanism of claim 2, wherein the movable base has a connection base on top thereof, and the camera is fixed to the movable base via the connection base.
8. An optical apparatus comprising the focusing mechanism according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322854208.7U CN221200072U (en) | 2023-10-24 | 2023-10-24 | Focusing mechanism and optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322854208.7U CN221200072U (en) | 2023-10-24 | 2023-10-24 | Focusing mechanism and optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221200072U true CN221200072U (en) | 2024-06-21 |
Family
ID=91527702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322854208.7U Active CN221200072U (en) | 2023-10-24 | 2023-10-24 | Focusing mechanism and optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221200072U (en) |
-
2023
- 2023-10-24 CN CN202322854208.7U patent/CN221200072U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1053861C (en) | Device for producing a printing stencil | |
| CN112097642B (en) | Three-dimensional cross hole position degree detection instrument and detection method | |
| CN107422450A (en) | A kind of CCD focus adjusting mechanisms for visible optical imaging system | |
| CN109855844A (en) | A kind of optical lens centre deviation measuring device and method | |
| CN114453595A (en) | Method and device for measuring quality of full-width light beam of selective laser melting equipment | |
| CN221200072U (en) | Focusing mechanism and optical device | |
| DE19712837A1 (en) | Compact apparatus for measuring properties of lens in two dimensions | |
| CN114813051A (en) | Lens assembly method, device and system based on inverse projection MTF detection | |
| CN114252985A (en) | Automatic focusing double-telecentric optical integrated camera | |
| US6337766B1 (en) | Stereoscopic microscope | |
| CN214474212U (en) | Microscope capable of preventing object stage from sliding downwards | |
| CN108747001A (en) | Multifunctional monitoring system, monitoring method and pointing method for laser processing | |
| CN111879256A (en) | Line laser three-dimensional texture measuring instrument | |
| CN103605198A (en) | Multi-detector optical system linkage focusing mechanism and focusing method thereof | |
| CN210242647U (en) | Detection device | |
| CN203561785U (en) | Multi-detector optical system linkage focusing mechanism | |
| CN216485769U (en) | Automatic focusing device for microscope | |
| CN220568996U (en) | Polarization beam splitter prism rotating support and polarization beam splitter prism | |
| CN216210375U (en) | Imaging focusing Z-axis module | |
| CN112082577A (en) | Leveling instrument telescope focusing running error calibrating installation | |
| CN220943736U (en) | Miniature automatic alignment mechanism and micro-jet laser processing equipment | |
| CN213812138U (en) | Novel image measuring instrument | |
| CN221007963U (en) | Adjusting mechanism of laser focusing sensor | |
| CN212512928U (en) | Line laser three-dimensional texture measuring instrument | |
| CN215773286U (en) | Long focus lens module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |