CN110757406B - Lens clamping ring fastening and dismounting device - Google Patents
Lens clamping ring fastening and dismounting device Download PDFInfo
- Publication number
- CN110757406B CN110757406B CN201911076917.9A CN201911076917A CN110757406B CN 110757406 B CN110757406 B CN 110757406B CN 201911076917 A CN201911076917 A CN 201911076917A CN 110757406 B CN110757406 B CN 110757406B
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- CN
- China
- Prior art keywords
- way bearing
- lens
- ring
- disc
- lens fixing
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention provides a lens pressing ring fastening and dismounting device which comprises a lens fixing disc and a positioning pin, wherein a positioning hole matched with the positioning pin is formed in the lens fixing disc, and a fixing assembly is arranged on the lens fixing disc. The invention solves the problem that a lens fixing device matched with the movable clamping plate is lacked in the prior art by skillfully designing the fastening and dismounting device of the lens pressing ring.
Description
Technical Field
The invention relates to the field of lens assembling and disassembling tools, in particular to a lens pressing ring fastening and disassembling device.
Background
The pressing ring in the thermal imaging lens is used for fixing optical parts inside the lens, and the pressing ring and the lens body are connected in a screwing structure. Chinese patent application No. CN201120506817.8 discloses a movable clamp plate for rotating a clamping ring when fastening and detaching the clamping ring, which can be applied to various lenses with different radii because the movable base can move along the cross arm of the ruler base. When the lens pressing ring is fastened and disassembled, the lens body needs to be fixed, and the movable clamping plate is used for rotating the pressing ring, so that a lens fixing device matched with the movable clamping plate is absent in the prior art.
Disclosure of Invention
The invention provides a lens pressing ring fastening and dismounting device, which solves the problem that a lens fixing device matched with a movable clamping plate is lacked in the prior art.
A lens clamping ring fastening and dismounting device comprises a lens fixing disc and a positioning pin, wherein a positioning hole matched with the positioning pin is formed in the lens fixing disc, and a fixing assembly is arranged on the lens fixing disc. The lens fixing disc is fixedly connected to a fixed working surface through the fixing assembly, three threaded holes are uniformly distributed in the thermal image lens generally in the circumferential direction, one part of the positioning pin is inserted into the threaded holes, the other part of the positioning pin is inserted into the positioning holes, the positioning pin is used for limiting the lens, the lens cannot rotate, and the lens is fixed in the horizontal direction. The movable clamping plate can rotate the pressing ring to realize the disassembly and the assembly of the pressing ring.
Furthermore, the fixed assembly comprises a one-way bearing and a base, the outer ring of the one-way bearing is connected with the lens fixed disc, the inner ring of the one-way bearing is connected with the base, and the lens fixed disc is provided with a screw for fixedly connecting the lens fixed disc with the base. After the lens is fixed on the lens fixing disc, the movable clamping plate rotates the pressing ring, the one-way bearing cannot rotate, after the movable clamping plate rotates to a certain angle, the movable clamping plate rotates reversely, the one-way bearing rotates, the movable clamping plate returns to the original angle, and next rotation is facilitated.
Further, a disc groove is formed in the base, the lens fixing disc is located in the disc groove, a connecting column is arranged in the disc groove, an inner ring of the one-way bearing is sleeved on the connecting column, the inner ring of the one-way bearing is connected with the connecting column through a flat key, a connecting through hole is formed in the circle center of the lens fixing disc, the lens fixing disc is sleeved on an outer ring of the one-way bearing, and the outer ring of the one-way bearing is connected with the lens fixing disc through a flat key. The flat keys prevent the outer ring of the one-way bearing and the lens fixing disc and the inner ring of the one-way bearing and the connecting column from rotating. The lens fixing disc is positioned in the disc groove, so that space is saved.
Furthermore, the screw thread is connected with the side surface of the lens fixing disc, and a channel for the screw to pass through is arranged on the base. When the pressing ring is installed on the lens body to be detached, the one-way bearing plays a role, the rotating operation is simplified, when the pressing ring needs to be screwed, a screw penetrates through the channel and is connected to the lens fixing disc in a threaded mode, the lens fixing disc is fixedly connected with the base, the one-way bearing does not rotate any more, and the pressing ring can be fastened.
Further, be equipped with one-way bearing outer lane gland on the fixed disc of camera lens downside face, one-way bearing outer lane gland includes annular spacing portion and the connecting portion of being connected with spacing portion, and connecting portion are connected with the fixed disc downside of camera lens, connect through-hole department and be equipped with one-way bearing outer lane spacing ring, one-way bearing outer lane spacing ring is coaxial with one-way bearing, and spacing portion and the cooperation of one-way bearing outer lane spacing ring carry on spacingly to one-way bearing's outer lane, the spliced pole upper end is equipped with one-way bearing inner race gland, be equipped with one-way bearing inner race spacing ring in the disc recess, one-way bearing inner race gland and the cooperation of one-way. The limiting part is matched with the one-way bearing outer ring limiting ring to limit the outer ring of the one-way bearing, and the one-way bearing inner ring gland is matched with the one-way bearing inner ring limiting ring to limit the inner ring of the one-way bearing, so that the up-and-down movement of the bearing and the flat key is avoided.
Furthermore, the locating pin is cylindrical, and one end of the locating pin is provided with a threaded column. The threaded column is matched with a threaded hole of the lens to connect the positioning pin to the lens.
Furthermore, the base is provided with a through hole for a bolt to pass through. The bolt passes through the through hole, fixes the base to the fixed working face.
According to the technical scheme, the invention has the following advantages:
the lens fixing disc is fixedly connected to a fixed working surface through the fixing assembly, three threaded holes are uniformly distributed in the thermal image lens generally in the circumferential direction, one part of the positioning pin is inserted into the threaded holes, the other part of the positioning pin is inserted into the positioning holes, the positioning pin is used for limiting the lens, the lens cannot rotate, and the lens is fixed in the horizontal direction. The movable clamping plate can rotate the pressing ring to realize the disassembly and the assembly of the pressing ring.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is an external view of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
FIG. 3 is a view showing the structure of the components of the present invention.
1. The lens fixing device comprises a lens fixing disc, 2, a positioning pin, 3, a positioning hole, 4, a one-way bearing, 5, a base, 6, a connecting column, 7, a flat key, 8, a one-way bearing outer ring gland, 9, a one-way bearing outer ring limiting ring, 10, a one-way bearing inner ring gland, 11, a one-way bearing inner ring limiting ring, 12, a lens, 13, a working surface, 14 and a screw.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Example 1
The utility model provides a camera lens clamping ring fastening, dismounting device, includes camera lens fixed disk 1 and locating pin 2, is equipped with the locating hole 3 that matches with locating pin 2 on the camera lens fixed disk 1, is equipped with fixed subassembly on the camera lens fixed disk 1. The fixed disc of camera lens 1 is through fixed subassembly fixed connection to fixed working face 13 on, and the circumference equipartition is usually gone up to camera lens 12 has three screw hole, and in partly inserting the screw hole of locating pin 2, in another part inserts locating hole 3, locating pin 2 realized spacing to camera lens 12, made camera lens 12 unable rotation, realized the fixed of the horizontal direction to camera lens 12. The movable clamping plate can rotate the pressing ring to realize the disassembly and the assembly of the pressing ring. The fixing component comprises a one-way bearing 4 and a base 5, the outer ring of the one-way bearing 4 is connected with the lens fixing disc 1, the inner ring of the one-way bearing 4 is connected with the base 5, and an M8 screw 14 used for fixedly connecting the lens fixing disc 1 with the base 5 is arranged on the lens fixing disc 1. After the lens 12 is fixed on the lens fixing disc 1, the movable clamping plate rotates the pressing ring, the one-way bearing 4 cannot rotate, after the movable clamping plate rotates to a certain angle, the movable clamping plate rotates reversely, the one-way bearing 4 rotates, the movable clamping plate returns to the original angle, and the next rotation is facilitated. The lens fixing device is characterized in that a disc groove is formed in the base 5, the lens fixing disc 1 is located in the disc groove, a connecting column 6 is arranged in the disc groove, an inner ring of the one-way bearing 4 is sleeved on the connecting column 6, the inner ring of the one-way bearing 4 is connected with the connecting column 6 through a flat key 7, a connecting through hole is formed in the circle center of the lens fixing disc 1, the lens fixing disc 1 is sleeved on an outer ring of the one-way bearing 4, and an outer ring of the one-way bearing 4 is connected with the lens fixing disc 1 through the flat. The flat key 7 prevents the outer ring of the one-way bearing 4 from rotating with the lens fixing disk 1 and prevents the inner ring of the one-way bearing 4 from rotating with the connecting column 6. The lens fixing disc 1 is positioned in the disc groove, so that space is saved. The M8 screw 14 is screwed on the side of the lens fixing disk 1, and the base 5 is provided with a channel for the M8 screw 14 to pass through. When the pressing ring is installed on the lens body, the one-way bearing 4 plays a role, the rotating operation is simplified, when the pressing ring needs to be disassembled, the M8 screw 14 penetrates through the channel and is connected to the lens fixing disc 1 in a threaded mode, the lens fixing disc 1 is fixedly connected with the base 5, the one-way bearing 4 does not rotate any more, and the disassembling of the pressing ring can be completed. Be equipped with one-way bearing outer ring gland 8 on the 1 downside of camera lens fixed disc, one-way bearing outer ring gland 8 includes annular spacing portion and the connecting portion of being connected with spacing portion, and connecting portion are connected with the 1 downside of camera lens fixed disc, connect through-hole department and be equipped with one-way bearing outer ring spacing ring 9, one-way bearing outer ring spacing ring 9 is coaxial with one-way bearing 4, and spacing portion and the cooperation of one-way bearing outer ring spacing ring 9 carry on spacingly to one-way bearing 4's outer lane, 6 upper ends of spliced pole are equipped with one-way bearing inner ring gland 10, be equipped with one-way bearing inner ring spacing ring 11 in the disc recess, one-way bearing inner ring gland 10 carries on spacingly with the inner. The limiting part is matched with a one-way bearing outer ring limiting ring 9 to limit the outer ring of the one-way bearing 4, and a one-way bearing inner ring gland 10 is matched with a one-way bearing inner ring limiting ring 11 to limit the inner ring of the one-way bearing 4, so that the up-and-down movement of the bearing and the flat key 7 is avoided. The positioning pin 2 is cylindrical, and one end of the positioning pin 2 is provided with a threaded column. The threaded studs mate with threaded holes in the lens 12 to attach the alignment pin 2 to the lens 12. The base 5 is provided with a through hole for the bolt to pass through. Bolts are passed through the through holes to fix the base 5 to the fixing work surface 13. The positioning holes 3 are uniformly distributed in a circle with the radius sequentially increased by taking the circle center of the lens fixing disc 1 as the center, and the number of the positioning holes 3 on the same circle is integral multiple of three. Three threaded holes are uniformly distributed on the circumference of the lens, 3N (N is a positive integer) positioning holes are uniformly distributed on the lens fixing disc 1, and the lens fixing disc can be matched with the threaded holes on the lens to realize positioning through the positioning pins 2. The radius of the circumference formed by the distribution of the positioning holes 3 is sequentially increased, so that the lens fixing device can adapt to different lenses and fix various lenses. When the positioning holes 3 are arranged, the radius of the distribution circumference of the positioning holes 3 needs to be arranged according to the radius of various lenses.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a camera lens clamping ring fastening, dismounting device, its characterized in that includes camera lens fixed disc (1) and locating pin (2), is equipped with locating hole (3) that match with locating pin (2) on camera lens fixed disc (1), is equipped with fixed subassembly on camera lens fixed disc (1), fixed subassembly includes one-way bearing (4) and base (5), the outer lane of one-way bearing (4) with camera lens fixed disc (1) is connected, and the inner circle and the base (5) of one-way bearing (4) are connected, are equipped with screw (14) that are used for fixed connection camera lens fixed disc (1) and base (5) on camera lens fixed disc (1).
2. The lens pressing ring fastening and dismounting device according to claim 1, wherein a disc groove is formed in the base (5), the lens fixing disc (1) is located in the disc groove, a connecting column (6) is arranged in the disc groove, an inner ring of the one-way bearing (4) is sleeved on the connecting column (6), the inner ring of the one-way bearing (4) is connected with the connecting column (6) through a flat key (7), a connecting through hole is formed in the center of the lens fixing disc (1), the lens fixing disc (1) is sleeved on an outer ring of the one-way bearing (4), and the outer ring of the one-way bearing (4) is connected with the lens fixing disc (1) through the flat key (7).
3. The lens pressing ring fastening and dismounting device according to claim 2, wherein said screw (14) is screwed on the side of said lens fixing disk (1), said base (5) is provided with a passage for said screw (14) to pass through.
4. The lens pressing ring fastening and dismounting device according to claim 2, wherein a one-way bearing outer ring pressing cover (8) is provided on the lower side surface of the lens fixing disc (1), the one-way bearing outer ring pressing cover (8) comprises an annular limiting portion and a connecting portion connected with the limiting portion, the connecting portion is connected with the lower side surface of the lens fixing disc (1), a one-way bearing outer ring limiting ring (9) is arranged at the connecting through hole, the one-way bearing outer ring limiting ring (9) is coaxial with the one-way bearing (4), the limiting part is matched with the one-way bearing outer ring limiting ring (9) to limit the outer ring of the one-way bearing (4), the upper end of the connecting column (6) is provided with a one-way bearing inner ring gland (10), a one-way bearing inner ring limiting ring (11) is arranged in the disc groove, and the one-way bearing inner ring gland (10) is matched with the one-way bearing inner ring limiting ring (11) to limit the inner ring of the one-way bearing (4).
5. The lens pressing ring fastening and dismounting device according to claim 1, wherein the positioning pin (2) is cylindrical, and one end of the positioning pin (2) is provided with a threaded column.
6. The lens pressing ring fastening and detaching device according to claim 1, wherein the base (5) is provided with a through hole for passing a bolt therethrough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076917.9A CN110757406B (en) | 2019-11-06 | 2019-11-06 | Lens clamping ring fastening and dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076917.9A CN110757406B (en) | 2019-11-06 | 2019-11-06 | Lens clamping ring fastening and dismounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110757406A CN110757406A (en) | 2020-02-07 |
| CN110757406B true CN110757406B (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911076917.9A Active CN110757406B (en) | 2019-11-06 | 2019-11-06 | Lens clamping ring fastening and dismounting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110757406B (en) |
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| US5457577A (en) * | 1992-01-22 | 1995-10-10 | The United States Of America As Represented By The Secretary Of The Army | Quick-set precision optical holder |
| CN101344628A (en) * | 2007-07-13 | 2009-01-14 | 鸿富锦精密工业（深圳）有限公司 | Drawtube gripper mechanism |
| US7515366B2 (en) * | 2006-09-29 | 2009-04-07 | Hon Hai Precision Industry Co., Ltd. | Lens module and image capture apparatus |
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| CN205043723U (en) * | 2015-10-21 | 2016-02-24 | 中山联合光电科技股份有限公司 | A suppress tool that is used for external diameter to have external screw thread camera lens for a short time |
| CN106112857A (en) * | 2016-07-20 | 2016-11-16 | 安徽江淮汽车股份有限公司 | Cylinder cap valve seat profile measured material |
| CN106842476A (en) * | 2017-03-23 | 2017-06-13 | 中国科学院西安光学精密机械研究所 | A kind of device for dismantling lens barrel trim ring |
| CN106908928A (en) * | 2017-03-23 | 2017-06-30 | 中国科学院西安光学精密机械研究所 | A kind of fastening and provision for disengagement for camera lens trim ring |
| CN206383078U (en) * | 2016-12-02 | 2017-08-08 | 兴科电子科技有限公司 | A kind of quick localization tool for being used to place eyeglass |
| CN208000404U (en) * | 2018-03-21 | 2018-10-23 | 上海以众科技有限公司 | Simple angular adjustment frame |
| CN109940554A (en) * | 2019-04-26 | 2019-06-28 | 陕西国防工业职业技术学院 | A kind of optics microscope group pressing ring provision for disengagement and eyeglass method for dismounting |
-
2019
- 2019-11-06 CN CN201911076917.9A patent/CN110757406B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5457577A (en) * | 1992-01-22 | 1995-10-10 | The United States Of America As Represented By The Secretary Of The Army | Quick-set precision optical holder |
| US7515366B2 (en) * | 2006-09-29 | 2009-04-07 | Hon Hai Precision Industry Co., Ltd. | Lens module and image capture apparatus |
| CN101344628A (en) * | 2007-07-13 | 2009-01-14 | 鸿富锦精密工业（深圳）有限公司 | Drawtube gripper mechanism |
| CN203311070U (en) * | 2013-06-06 | 2013-11-27 | 西安北方光电科技防务有限公司 | Aperture-adjustable multipurpose fastening device for clamping ring of optical lens |
| CN205043723U (en) * | 2015-10-21 | 2016-02-24 | 中山联合光电科技股份有限公司 | A suppress tool that is used for external diameter to have external screw thread camera lens for a short time |
| CN106112857A (en) * | 2016-07-20 | 2016-11-16 | 安徽江淮汽车股份有限公司 | Cylinder cap valve seat profile measured material |
| CN206383078U (en) * | 2016-12-02 | 2017-08-08 | 兴科电子科技有限公司 | A kind of quick localization tool for being used to place eyeglass |
| CN106842476A (en) * | 2017-03-23 | 2017-06-13 | 中国科学院西安光学精密机械研究所 | A kind of device for dismantling lens barrel trim ring |
| CN106908928A (en) * | 2017-03-23 | 2017-06-30 | 中国科学院西安光学精密机械研究所 | A kind of fastening and provision for disengagement for camera lens trim ring |
| CN208000404U (en) * | 2018-03-21 | 2018-10-23 | 上海以众科技有限公司 | Simple angular adjustment frame |
| CN109940554A (en) * | 2019-04-26 | 2019-06-28 | 陕西国防工业职业技术学院 | A kind of optics microscope group pressing ring provision for disengagement and eyeglass method for dismounting |
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| Publication number | Publication date |
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| CN110757406A (en) | 2020-02-07 |
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