CN210534408U - Lens clamping ring fastening and dismounting device - Google Patents
Lens clamping ring fastening and dismounting device Download PDFInfo
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- CN210534408U CN210534408U CN201921906422.XU CN201921906422U CN210534408U CN 210534408 U CN210534408 U CN 210534408U CN 201921906422 U CN201921906422 U CN 201921906422U CN 210534408 U CN210534408 U CN 210534408U
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- fixing disc
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Abstract
The utility model provides a camera lens clamping ring fastening, dismounting device, including camera lens fixed disk and locating pin, be equipped with the locating hole that matches with the locating pin on the camera lens fixed disk, be equipped with fixed subassembly on the camera lens fixed disk. The utility model discloses a to fastening of lens clamping ring, dismounting device's ingenious design, solved lack among the prior art with the activity card pull complex camera lens fixing device's problem.
Description
Technical Field
The utility model relates to a camera lens assembly and disassembly tools field especially relates to a camera lens clamping ring fastening, dismounting 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 utility model provides a camera lens clamping ring fastening, dismounting device has solved and has lacked among the prior art and pull complex camera lens fixing device's problem with the activity card.
The utility model provides a camera lens clamping ring fastening, dismounting device, includes camera lens fixed disk and locating pin, is equipped with the locating hole that matches with the locating pin on the camera lens fixed disk, is equipped with fixed subassembly on the camera lens fixed disk, the locating hole uses the centre of a circle of camera lens fixed disk to be the circumference evenly distributed that the radius increases in proper order as the center, and the quantity of locating hole is the integral multiple of three on the same circumference. 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. Three threaded holes are uniformly distributed on the circumference of the lens, and 3N (N is a positive integer) positioning holes are uniformly distributed on the lens fixing disc and can be matched with the threaded holes on the lens to realize positioning through the positioning pins. The radius of the circumference formed by the distribution of the positioning holes is increased in sequence, so that the lens fixing device can adapt to different lenses and fix various lenses. When the positioning holes are arranged, the radius of the distribution circumference of the positioning holes is required to be arranged according to the radius of various lenses.
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 utility model has the advantages of it is following:
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 below, 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 according to these drawings without creative efforts.
Fig. 1 is an appearance diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a structural diagram 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 embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, 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 keys 7 prevent the outer ring of the one-way bearing 4 and the lens fixing disc 1 from rotating and prevent the inner ring of the one-way bearing 4 and the connecting column 6 from rotating. 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 otherwise 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 (7)
1. The utility model provides a camera lens clamping ring fastening, dismounting device which characterized in that, includes camera lens fixed disk (1) and locating pin (2), is equipped with locating hole (3) that match with locating pin (2) on camera lens fixed disk (1), is equipped with fixed subassembly on camera lens fixed disk (1), locating hole (3) use the centre of a circle of camera lens fixed disk (1) to be the circumference evenly distributed that the radius increases in proper order as the center, and the quantity of locating hole (3) is the integral multiple of three on the same circumference.
2. The lens pressing ring fastening and dismounting device according to claim 1, wherein the fixing component comprises a one-way bearing (4) and a base (5), an outer ring of the one-way bearing (4) is connected with the lens fixing disc (1), an inner ring of the one-way bearing (4) is connected with the base (5), and a screw (14) for fixedly connecting the lens fixing disc (1) and the base (5) is arranged on the lens fixing disc (1).
3. The lens pressing ring fastening and dismounting device according to claim 2, 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).
4. A lens pressing ring fastening and dismounting device according to claim 3, wherein said screw (14) is screwed on the side of said lens fixing disk (1), and said base (5) is provided with a passage for said screw (14) to pass through.
5. The lens pressing ring fastening and dismounting device according to claim 3, 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).
6. 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.
7. The lens pressing ring fastening and detaching device according to claim 2, wherein the base (5) is provided with a through hole for passing a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921906422.XU CN210534408U (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 |
|---|---|---|---|
| CN201921906422.XU CN210534408U (en) | 2019-11-06 | 2019-11-06 | Lens clamping ring fastening and dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210534408U true CN210534408U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921906422.XU Active CN210534408U (en) | 2019-11-06 | 2019-11-06 | Lens clamping ring fastening and dismounting device |
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| Country | Link |
|---|---|
| CN (1) | CN210534408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043409A (en) * | 2021-12-17 | 2022-02-15 | 海南师范大学 | Lens clamping ring spanner |
-
2019
- 2019-11-06 CN CN201921906422.XU patent/CN210534408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114043409A (en) * | 2021-12-17 | 2022-02-15 | 海南师范大学 | Lens clamping ring spanner |
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