CN113534394A - Focusing structure of coaxial optical zoom lens - Google Patents
Focusing structure of coaxial optical zoom lens Download PDFInfo
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- CN113534394A CN113534394A CN202110693161.3A CN202110693161A CN113534394A CN 113534394 A CN113534394 A CN 113534394A CN 202110693161 A CN202110693161 A CN 202110693161A CN 113534394 A CN113534394 A CN 113534394A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000000670 limiting effect Effects 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 208000034656 Contusions Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000034526 bruise Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a focusing structure of a coaxial optical zoom lens, relating to the technical field of zoom lenses; the novel lens comprises a lens body, wherein a light source tube is arranged on the side face of the lens body, an upper end cover and a lower end cover are respectively arranged at the top and the bottom of the lens body, a light-transmitting mirror face is arranged in the middle of the lower end cover, an installing support is arranged on the other side of the lens body, a spectroscope is arranged at the joint of the lens body and the light source tube, a first lens barrel and a second lens barrel are arranged at the top end of the inside of the lens body, and the first lens barrel and the second lens barrel are connected in a sliding mode. When the lens is used, the plurality of independent light source assemblies are arranged, different light source assemblies are arranged according to detected objects, and the adjusting assembly is rotated according to requirements during application, so that the purpose of adjusting the light source is achieved, the definition of the lens is improved, and the accuracy and the reproducibility of machine vision are further improved.
Description
Technical Field
The invention relates to the technical field of zoom lenses, in particular to a focusing structure of a coaxial optical zoom lens.
Background
Coaxial light source, provide more even illumination than traditional light source, avoid the reflection of light of object consequently improved machine vision's accuracy and reproducibility simultaneously, the even plane that illuminates, glossy surface, strengthen the mark, sunken, or impression characteristic, at the mirror surface, diffusion and/or absorption surface contrast, reduce the transmissivity of transparent shell or covering, electronic component detects, the coaxial lamp of benchmark location is mainly used for detecting the plane object that the reflection of light degree is very big, for example glass coaxial light source can highlight object surface unevenness, overcome the interference that the surface reflection of light caused, mainly be used for detecting the bruise of the smooth surface of object, fish tail, crackle and foreign matter.
The coaxial lens is a lens adopting a coaxial epi-illumination technology, and a coaxial light source (a diffusion coaxial lamp and a metal plane diffuse reflection illumination light source) of the coaxial optical lens provides more uniform illumination compared with a traditional light source, so that the accuracy and the reproducibility of machine vision are improved.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a focusing structure of a coaxial optical zoom lens.
The invention provides a focusing structure of a coaxial light zoom lens, which comprises a lens body, wherein a light source tube is arranged on the side surface of the lens body, an upper end cover and a lower end cover are respectively arranged at the top and the bottom of the lens body, a light transmitting mirror surface is arranged in the middle of the lower end cover, a mounting bracket is arranged on the other side of the lens body, a spectroscope is arranged at the joint of the lens body and the light source tube, a first lens barrel and a second lens barrel are arranged at the top end inside the lens body, the first lens barrel and the second lens barrel are mutually connected in a sliding manner, a lens is fixedly mounted at the top of the second lens barrel, a first lifting assembly and a second lifting assembly are respectively mounted at two sides of the lens body, the first lifting assembly and the second lifting assembly are respectively fixedly connected with the first lens barrel and the second lens barrel, a light source box assembly is mounted at the outer side of the light source tube, and an adjusting assembly is arranged inside the light source box assembly, and a plurality of light source assemblies are arranged on the outer side of the adjusting assembly.
In the invention, preferably, rectangular sliding grooves are formed in both sides of the lens main body, and the two rectangular sliding grooves are respectively matched with the first lifting assembly and the second lifting assembly.
Preferably, the first lifting assembly comprises a first sealing box, a first precise micro screw is rotatably mounted in the first sealing box, a first stepping motor is mounted at one end in the first sealing box, a first transmission gear set is arranged between the first stepping motor and the first precise micro screw, a first lifting piece is screwed on the outer side of the first precise micro screw, and the side surface of the first lifting piece is stably connected with the first lens barrel.
Preferably, the second lifting assembly comprises a second sealing box, a second precise micro screw is rotatably mounted in the second sealing box, a second stepping motor is mounted at one end in the second sealing box, a second transmission gear set is arranged between the second stepping motor and the second precise micro screw, a second lifting member is screwed on the outer side of the second precise micro screw, and the side surface of the second lifting member is stably connected with the second lens barrel.
In the invention, preferably, the inner walls of the two sides of the lens main body are both provided with first limiting sliding grooves, the outer side of the first lens barrel is provided with a first limiting sliding strip, and the first limiting sliding strip is in sliding connection with the first limiting sliding grooves.
In the invention, preferably, the inner wall of the first lens barrel is provided with two second limiting sliding grooves, and the outer side of the second lens barrel is provided with two second limiting sliding strips which are connected with the second limiting sliding grooves in a sliding manner.
Preferably, the adjusting assembly comprises a rod body rotatably connected with the light source box assembly, a disc-shaped light source support is arranged on the outer side of the rod body, the light source assemblies are equidistantly distributed on the light source support, an adjusting knob is fixedly mounted at one end of the rod body, and a positioning pin is arranged on the side face of the adjusting knob.
Preferably, the light source box assembly comprises a connecting pipe connected with the light source pipe, the end part of the connecting pipe is provided with the light source box and a sealing cover, and a bin body matched with the light source bracket and the light source assembly is arranged in the light source box.
In the invention, preferably, the light source box assembly further comprises a positioning ring arranged on the side surface of the sealing cover, the inner wall of the positioning ring is provided with a positioning groove corresponding to the light source assembly, and the end part of the positioning pin is matched with the positioning groove.
Compared with the prior art, the invention provides a focusing structure of a coaxial optical zoom lens, which has the following beneficial effects:
be provided with first lifting unit and second lifting unit in the camera lens, control first lens cone and second lens cone respectively and go up and down in the camera lens main part is inside, and then the interval between adjustment first lens cone and the second lens cone, the multiple of making a video recording of control camera lens reaches fast, the purpose of accurate focusing, automatic adjustment improves focusing speed and precision, and the camera lens is when using, set up a plurality of independent light source subassemblies, set up different light source subassemblies according to the article that detect, rotate the adjusting part according to the demand when using, and then reach the purpose of adjustment light source, improve the definition of camera lens, further improve the accuracy and the reproducibility of machine vision.
Drawings
Fig. 1 is a schematic structural diagram of a focusing structure of a coaxial optical zoom lens according to the present invention;
fig. 2 is a schematic structural view of a first lens barrel of a focusing structure of a coaxial optically variable lens according to the present invention;
fig. 3 is a schematic structural view of a second lens barrel of a focusing structure of a coaxial optically variable lens according to the present invention;
fig. 4 is a schematic structural diagram of a first lifting assembly of a focusing structure of a coaxial optical zoom lens according to the present invention;
fig. 5 is a schematic structural diagram of an adjusting assembly of a focusing structure of a coaxial optical zoom lens according to the present invention;
fig. 6 is a schematic structural diagram of a light source box assembly of a focusing structure of a coaxial optical zoom lens according to the present invention.
In the figure: 1 lower end cover, 2 lens main part, 3 spectroscope, 4 installing supports, 5 first lens cone, 6 first lifting components, 601 first seal box, 602 first lifting components, 603 first accurate little screw rod, 604 first transmission gear group, 605 first step motor, 7 second lens cone, 8 second lifting components, 9 upper end cover, 10 adjusting components, 1001 body of rod, 1002 light source support, 1003 locating pin, 1004 adjusting knob, 11 light source subassembly, 12 light source box subassembly, 1201 light source box, 1202 sealed lid, 1203 connecting pipe, 1204 storehouse body, 1205 locating ring, 1206 locating groove, 13 light source pipe, 14 first spacing draw runner, 15 second spacing draw runner, 16 second spacing draw runner.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-6, a focusing structure of a coaxial optical zoom lens comprises a lens body 2, a light source tube 13 is disposed on a side surface of the lens body 2, an upper end cap 9 and a lower end cap 1 are respectively disposed on a top and a bottom of the lens body 2, a transparent mirror surface is disposed in the middle of the lower end cap 1, a mounting bracket 4 is disposed on the other side of the lens body 2, a spectroscope 3 is disposed at a joint of the lens body 2 and the light source tube 13, a first lens barrel 5 and a second lens barrel 7 are disposed on the top end of the inside of the lens body 2, the first lens barrel 5 and the second lens barrel 7 are slidably connected with each other, a lens is fixedly mounted on the top of the second lens barrel 7, a first lifting assembly 6 and a second lifting assembly 8 are respectively mounted on two sides of the lens body 2, the first lifting assembly 6 and the second lifting assembly 8 are fixedly connected with the first lens barrel 5 and the second lens barrel 7 respectively, a light source box assembly 12 is mounted on the outside of the light source tube 13, and the inside of light source box subassembly 12 is provided with adjusting part 10, a plurality of light source subassembly 11 are installed in adjusting part 10's the outside, be provided with first lifting unit 6 and second lifting unit 8 in the camera lens, control first lens cone 5 and second lens cone 7 respectively and go up and down in camera lens main part 2 is inside, and then adjust the interval between first lens cone 5 and the second lens cone 7, the multiple of making a video recording of control camera lens reaches fast, the purpose of accurate focusing, automatic adjustment improves focusing speed and precision, and the camera lens is when using, set up a plurality of independent light source subassemblies 11, set up different light source subassemblies 11 according to the article that detect, rotate adjusting part 10 when using according to the demand, and then reach the purpose of adjustment light source, improve the definition of camera lens, further improve the accuracy and the reproducibility of machine vision.
As a further scheme of the present invention, two sides of the lens main body 2 are both provided with rectangular sliding grooves, and the two rectangular sliding grooves are respectively adapted to the first lifting assembly 6 and the second lifting assembly 8.
As a still further aspect of the present invention, the first elevating assembly 6 includes a first sealing case 601, a first precise micro screw 603 is rotatably arranged in the first sealing box 601, a first stepping motor 605 is arranged at one end in the first sealing box 601, a first transmission gear set 604 is arranged between the first stepping motor 605 and the first precise micro screw 603, a first lifting member 602 is screwed on the outer side of the first precise micro screw 603, the side surface of the first lifting member 602 is firmly connected with the first lens barrel 5, during the focusing process, the first stepping motor 605 drives the first precision micro-screw 603 to rotate through the first transmission gear set 604, thereby driving the first lifting member 602 and the first lens barrel 5 to complete lifting adjustment inside the lens body 2, and sealing connection between first seal box 601 and the camera lens main part 2, and with the inside evacuation processing of camera lens main part 2, effectively avoid the dust particle to cause the influence to the camera lens definition.
As a further scheme of the present invention, the second lifting assembly 8 includes a second sealing box, a second precision micro screw is rotatably installed inside the second sealing box, a second stepping motor is installed at one end inside the second sealing box, a second transmission gear set is disposed between the second stepping motor and the second precision micro screw, a second lifting member is screwed on an outer side of the second precision micro screw, a side surface of the second lifting member is stably connected with the second lens barrel 7, and the second stepping motor drives the second precision micro screw to rotate through the second transmission gear set in the focusing process, so as to drive the second lifting member and the second lens barrel 7 to complete lifting adjustment inside the lens main body 2.
As a further scheme of the present invention, the inner walls of the two sides of the lens body 2 are both provided with a first limiting sliding groove, the outer side of the first lens barrel 5 is provided with a first limiting sliding strip 14, the first limiting sliding strip 14 is slidably connected with the first limiting sliding groove, and when the first lens barrel 5 moves, the first lens barrel 5 improves the stability in the adjustment process through the limiting movement between the first limiting sliding strip 14 and the first limiting sliding groove, and avoids the collision and damage between the first lens barrel 5 and the second lens barrel 7.
As a further scheme of the present invention, the inner wall of the first lens barrel 5 is provided with two second limiting sliding grooves 15, the outer side of the second lens barrel 7 is provided with two second limiting sliding strips 16, the second limiting sliding strips 16 are slidably connected with the second limiting sliding grooves 15, when the first lens barrel 5 and the second lens barrel 7 move, the top lens of the second lens barrel 7 slides on the inner wall of the lens main body 2, and the bottom of the second lens barrel 7 is slidably connected with the first lens barrel 5 through the second limiting sliding strips 16 and the second limiting sliding grooves 15, so as to provide a good limiting effect on the movement of the second lens barrel 7, and effectively improve the stability of the first lens barrel 5 and the second lens barrel 7 during movement.
As a further scheme of the present invention, the adjusting assembly 10 includes a rod 1001 rotatably connected to the light source box assembly 12, a light source bracket 1002 with a disk-shaped structure is disposed outside the rod 1001, the light source assemblies 11 are equidistantly distributed on the light source bracket 1002, an adjusting knob 1004 is fixedly mounted at one end of the rod 1001, and a positioning pin 1003 is disposed on a side surface of the adjusting knob 1004, when the lens light source is replaced, the light source bracket 1002 is rotated by the adjusting knob 1004 and the rod 1001, the light source bracket 1002 drives the light source assembly 11 to move, so as to move a required light source to the light source tube 13, thereby implementing a rapid and stable replacement operation of the light source, and effectively improving an application range of the lens.
As a further scheme in the present invention, the light source box assembly 12 includes a connecting pipe 1203 connected to the light source pipe 13, and the end of the connecting pipe 1203 is provided with a light source box 1201 and a sealing cover 1202, a bin 1204 adapted to the light source bracket 1002 and the light source assembly 11 is provided inside the light source box 1201, the light source assembly 11 moves inside the bin 1204 when in use, so as to isolate from the external environment and prevent dust particles from affecting the light source, and according to the visual detection requirement, a plurality of sets of light source assemblies 11 are provided, so as to achieve the rapid replacement of the light source through the light source box assembly 12, improve the convenience of operating the lens by the worker, and improve the visual detection efficiency.
As a further scheme in the present invention, the light source box assembly 12 further includes a positioning ring 1205 disposed on the side surface of the sealing cover 1202, and the inner wall of the positioning ring 1205 is provided with a positioning groove 1206 corresponding to the light source assembly 11, and the end of the positioning pin 1003 is matched with the positioning groove 1206, so that when the position of the light source assembly 11 is adjusted by the adjusting knob 1004, the positioning pin 1003 is separated from the positioning groove 1206 by pressing, and the primary light source is adjusted by rotating once, thereby effectively improving convenience and accuracy of light source conversion.
When using, be provided with first lifting unit 6 and second lifting unit 8 in the camera lens, control first lens cone 5 and second lens cone 7 respectively and go up and down in 2 insides of camera lens main part, and then adjust the interval between first lens cone 5 and the second lens cone 7, the multiple of making a video recording of control camera lens reaches fast, the purpose of accurate focusing, automatic adjustment improves focusing speed and precision, and the camera lens is when using, set up a plurality of independent light source subassembly 11, set up different light source subassembly 11 according to the article that detect, rotate adjusting part 10 according to the demand when using, and then reach the purpose of adjusting the light source, improve the definition of camera lens, further improve the accuracy and the reproducibility of machine vision.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A focusing structure of a coaxial optically variable lens comprises a lens body (2), wherein a light source tube (13) is arranged on the side surface of the lens body (2), an upper end cover (9) and a lower end cover (1) are respectively arranged at the top and the bottom of the lens body (2), a light-transmitting mirror surface is arranged in the middle of the lower end cover (1), a mounting bracket (4) is arranged on the other side of the lens body (2), a spectroscope (3) is arranged at the joint of the lens body (2) and the light source tube (13), the focusing structure is characterized in that a first lens barrel (5) and a second lens barrel (7) are arranged at the top end of the interior of the lens body (2), the first lens barrel (5) and the second lens barrel (7) are mutually connected in a sliding manner, a lens is fixedly arranged at the top of the second lens barrel (7), a first lifting assembly (6) and a second lifting assembly (8) are respectively arranged at two sides of the lens body (2), and first lifting unit (6) and second lifting unit (8) respectively with first lens cone (5) and second lens cone (7) fixed connection, light source box subassembly (12) are installed in light source pipe (13) outside, and the inside of light source box subassembly (12) is provided with adjusting part (10), and a plurality of light source subassembly (11) are installed in the outside of adjusting part (10).
2. The focusing structure of a coaxial light zoom lens according to claim 1, wherein rectangular sliding grooves are formed on both sides of the lens body (2), and the two rectangular sliding grooves are respectively matched with the first lifting component (6) and the second lifting component (8).
3. The focusing structure of the coaxial optical zoom lens according to claim 1, wherein the first lifting assembly (6) comprises a first sealing box (601), a first precise micro screw (603) is rotatably installed inside the first sealing box (601), a first stepping motor (605) is installed at one end inside the first sealing box (601), a first transmission gear set (604) is arranged between the first stepping motor (605) and the first precise micro screw (603), a first lifting member (602) is screwed on the outer side of the first precise micro screw (603), and the side surface of the first lifting member (602) is stably connected with the first lens barrel (5).
4. The focusing structure of a coaxial light zoom lens according to claim 1, wherein the second lifting assembly (8) comprises a second sealing box, a second precise micro screw rod is rotatably installed inside the second sealing box, a second stepping motor is installed at one end inside the second sealing box, a second transmission gear set is arranged between the second stepping motor and the second precise micro screw rod, a second lifting member is screwed outside the second precise micro screw rod, and the side surface of the second lifting member is stably connected with the second lens barrel (7).
5. The focusing structure of a coaxial optical zoom lens according to claim 1, wherein the inner walls of both sides of the lens main body (2) are provided with first limiting sliding grooves, and the outer side of the first lens barrel (5) is provided with first limiting sliding strips (14), the first limiting sliding strips (14) are connected with the first limiting sliding grooves in a sliding manner.
6. The focusing structure of a coaxial optical zoom lens according to claim 1, wherein the inner wall of the first lens barrel (5) is provided with two second limiting sliding grooves (15), and the outer side of the second lens barrel (7) is provided with two second limiting sliding strips (16), and the second limiting sliding strips (16) are slidably connected with the second limiting sliding grooves (15).
7. The focusing structure of a coaxial optical zoom lens according to claim 1, wherein the adjusting assembly (10) comprises a rod body (1001) rotatably connected with the light source box assembly (12), a light source bracket (1002) with a disc-shaped structure is arranged outside the rod body (1001), the light source assemblies (11) are equidistantly distributed on the light source bracket (1002), an adjusting knob (1004) is fixedly mounted at one end of the rod body (1001), and a positioning pin (1003) is arranged on a side surface of the adjusting knob (1004).
8. The focusing structure of the coaxial light zoom lens according to claim 7, wherein the light source box assembly (12) comprises a connecting pipe (1203) connected with the light source pipe (13), a light source box (1201) and a sealing cover (1202) are arranged at the end of the connecting pipe (1203), and a cabin body (1204) matched with the light source bracket (1002) and the light source assembly (11) is arranged inside the light source box (1201).
9. The focusing structure of the coaxial optically variable lens according to claim 8, wherein the light source box assembly (12) further comprises a positioning ring (1205) disposed on the side of the sealing cover (1202), and a positioning groove (1206) corresponding to the light source assembly (11) is disposed on an inner wall of the positioning ring (1205), and an end of the positioning pin (1003) is adapted to the positioning groove (1206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110693161.3A CN113534394A (en) | 2021-06-22 | 2021-06-22 | Focusing structure of coaxial optical zoom lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110693161.3A CN113534394A (en) | 2021-06-22 | 2021-06-22 | Focusing structure of coaxial optical zoom lens |
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| CN113534394A true CN113534394A (en) | 2021-10-22 |
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| CN202110693161.3A Withdrawn CN113534394A (en) | 2021-06-22 | 2021-06-22 | Focusing structure of coaxial optical zoom lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114587A (en) * | 2021-11-02 | 2022-03-01 | 江西高瑞光电股份有限公司 | Split type stereoscopic zoom lens convenient to dismouting is overhauld |
| CN114660784A (en) * | 2022-04-19 | 2022-06-24 | 东莞锐星视觉技术有限公司 | Lens with light-emitting switching function |
| CN114994854A (en) * | 2022-07-26 | 2022-09-02 | 徐州市广科新技术发展有限公司 | Adjusting structure of optical instrument and using method thereof |
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| JPH09297257A (en) * | 1996-05-08 | 1997-11-18 | Fuji Photo Film Co Ltd | Zoom lens |
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| CN210129056U (en) * | 2019-07-21 | 2020-03-06 | 淄博数联空间地理信息有限公司 | Focusing indicating device for measuring instrument |
| CN211603702U (en) * | 2020-02-21 | 2020-09-29 | 启东市德聚邻信息科技有限公司 | Metallographic microscope |
| CN112995445A (en) * | 2019-12-13 | 2021-06-18 | 宁波舜宇光电信息有限公司 | Periscopic camera module |
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2021
- 2021-06-22 CN CN202110693161.3A patent/CN113534394A/en not_active Withdrawn
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|---|---|---|---|---|
| JPH09297257A (en) * | 1996-05-08 | 1997-11-18 | Fuji Photo Film Co Ltd | Zoom lens |
| CN206725832U (en) * | 2017-04-27 | 2017-12-08 | 黄国华 | Automatic focusing device and video camera |
| CN108107660A (en) * | 2017-12-13 | 2018-06-01 | 苏州佳世达光电有限公司 | Projector and its light supply apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114587A (en) * | 2021-11-02 | 2022-03-01 | 江西高瑞光电股份有限公司 | Split type stereoscopic zoom lens convenient to dismouting is overhauld |
| CN114114587B (en) * | 2021-11-02 | 2023-10-03 | 江西高瑞光电股份有限公司 | Split type stereoscopic zoom lens convenient to disassemble, assemble and overhaul |
| CN114660784A (en) * | 2022-04-19 | 2022-06-24 | 东莞锐星视觉技术有限公司 | Lens with light-emitting switching function |
| CN114660784B (en) * | 2022-04-19 | 2024-08-02 | 东莞锐星视觉技术有限公司 | Lens with light-emitting switching function |
| CN114994854A (en) * | 2022-07-26 | 2022-09-02 | 徐州市广科新技术发展有限公司 | Adjusting structure of optical instrument and using method thereof |
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