CN219871921U - Automatic focusing optical lens assembly - Google Patents
Automatic focusing optical lens assembly Download PDFInfo
- Publication number
- CN219871921U CN219871921U CN202321216765.XU CN202321216765U CN219871921U CN 219871921 U CN219871921 U CN 219871921U CN 202321216765 U CN202321216765 U CN 202321216765U CN 219871921 U CN219871921 U CN 219871921U
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- shell
- lens assembly
- casing
- optical lens
- rotating shaft
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- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses an automatic focusing optical lens assembly, which comprises a shell, wherein an inner shell is arranged in the shell, a plurality of fixing plates are annularly arranged on the outer wall of one end of the inner shell, a screw rod is arranged on one fixing plate, guide rods are arranged on the other fixing plates, a plurality of inner cavities are annularly arranged at the outer edge of the inner part of the shell, the guide rods and the screw rod are respectively inserted into the corresponding inner cavities, a disk-shaped gear is arranged at the top in the shell through a bearing, a screw rod nut is arranged at the axle center of the disk-shaped gear and matched with the screw rod, a rotating shaft is also arranged at the top in the shell, a bevel gear meshed with the disk-shaped gear is arranged at one end of the rotating shaft, the other end of the rotating shaft is inserted to the outer part of the shell, a motor is arranged at the top end of the shell, and the output end of the motor is connected with the rotating shaft; the utility model has the advantages of less motion conversion structure, smaller error, simpler integral structure and more convenient production and maintenance by arranging the integral structure.
Description
Technical Field
The utility model relates to the technical field of movable focusing optical lens assemblies, in particular to an automatic focusing optical lens assembly.
Background
Focusing means that the focal distance is adjusted when a camera is used, english school name is Focus, and generally, a digital camera has multiple focusing modes, namely automatic focusing, manual focusing and multiple focusing modes, focusing is also called focusing, and the imaging process of a shot object is focusing by changing the object distance and the distance position through a camera focusing mechanism.
The patent with the application number of CN202221354834.9 discloses a movable focusing optical lens assembly, and by utilizing the cooperation of an electric push rod, a screw nut and a telescopic pipe assembly, the precision and convenience of focusing can be improved, but the device has more motion conversion structures, so that the error accumulation is larger, and the precision of focusing is influenced.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides an automatic focusing optical lens assembly.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to an automatic focusing optical lens assembly, which comprises a shell, wherein an inner shell is arranged in the shell, a first lens assembly, a second lens assembly and a third lens assembly are sequentially arranged in the inner shell from left to right, a plurality of fixing plates are annularly arranged on the outer wall of one end of the inner shell, a screw rod is arranged on one fixing plate, guide rods are arranged on the other fixing plates, a plurality of inner cavities are annularly arranged at the outer edge of the inner part of the shell, the guide rods and the screw rod are respectively inserted into the corresponding inner cavities, a disk-shaped gear is arranged at the top in the shell through a bearing, a screw rod nut is arranged at the axle center of the disk-shaped gear and is matched with the screw rod, a rotating shaft is further arranged at the top in the shell, a bevel gear meshed with the disk-shaped gear is arranged at one end of the rotating shaft, the other end of the rotating shaft is inserted to the outer part of the shell, a motor is arranged at the top end of the shell, and the output end of the motor is connected with the rotating shaft.
As a preferable technical scheme of the utility model, one end of the guide rod and one end of the screw rod are both provided with limiting blocks, and the diameter of the inner cavity is the same as that of the limiting blocks.
As a preferable technical scheme of the utility model, the outer wall of the inner shell is provided with a plurality of grooves, and balls are arranged in the grooves and are attached to the inner wall of the shell.
As a preferred embodiment of the present utility model, the diameter of the disk gear is larger than the diameter of the bevel gear.
As a preferred embodiment of the present utility model, the first lens component, the second lens component and the third lens component are all optical lenses.
The beneficial effects of the utility model are as follows: the automatic focusing optical lens assembly comprises a lead screw arranged on an inner shell, wherein a disc-shaped gear is arranged at the top in the shell through a bearing, a lead screw nut is arranged at the axis of the disc-shaped gear and matched with the lead screw, a rotating shaft is further arranged at the top in the shell, a bevel gear meshed with the disc-shaped gear is arranged at one end of the rotating shaft, the other end of the rotating shaft is inserted to the outside of the shell, a motor is arranged at the top end of the shell, an output end of the motor is connected with the rotating shaft, the motor is started to drive the rotating shaft to rotate, the bevel gear is driven to rotate by the rotating shaft, the lead screw nut in the disc-shaped gear rotates along with the disc-shaped gear to drive the lead screw to move, and therefore the inner shell is driven to move relative to the shell.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of an auto-focusing optical lens assembly according to the present utility model;
FIG. 2 is a schematic view of an inner housing of an auto-focus optical lens assembly according to the present utility model;
FIG. 3 is an enlarged view of an auto-focus optical lens assembly of the present utility model at A in FIG. 1;
fig. 4 is a schematic view of a disc gear of an auto-focusing optical lens assembly according to the present utility model.
In the figure: 1. a housing; 2. an inner housing; 3. a first lens assembly; 4. a second lens assembly; 5. a third lens assembly; 6. a fixing plate; 7. a guide rod; 8. a screw rod; 9. an inner cavity; 10. a disk-shaped gear; 11. a lead screw nut; 12. a rotating shaft; 13. bevel gears; 14. a motor; 15. a limiting block; 16. and (3) rolling balls.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, the optical lens assembly for automatic focusing according to the present utility model includes a housing 1, an inner housing 2 is disposed in the housing 1, a plurality of grooves are disposed on an outer wall of the inner housing 2, and balls 16 are disposed in the grooves, wherein the balls 16 are attached to an inner wall of the housing 1, so as to reduce friction force when the inner housing 2 and the outer housing relatively move. The inner shell 2 is internally provided with a first lens component 3, a second lens component 4 and a third lens component 5 in sequence from left to right, wherein the first lens component 3, the second lens component 4 and the third lens component 5 are all optical lenses. As shown in fig. 2, a plurality of fixing plates 6 are annularly arranged on the outer wall of one end of the inner housing 2, a screw rod 8 is arranged on one fixing plate 6, guide rods 7 are arranged on the other fixing plates 6, a plurality of inner cavities 9 are annularly arranged at the outer edge of the inner portion of the housing 1, the guide rods 7 and the screw rod 8 are respectively inserted into the corresponding inner cavities 9, limiting blocks 15 are respectively arranged at one end of the guide rods 7 and one end of the screw rod 8, the diameter of the inner cavities 9 is identical with that of the limiting blocks 15, and the guide rods 7 and the screw rod 8 are prevented from being separated from the inner cavities 9. As shown in fig. 3-4, a disk gear 10 is arranged at the top in the shell 1 through a bearing, a screw nut 11 is arranged at the axis of the disk gear 10, the screw nut 11 is matched with the screw 8, a rotating shaft 12 is also arranged at the top in the shell 1, a bevel gear 13 meshed with the disk gear 10 is arranged at one end of the rotating shaft 12, the diameter of the disk gear 10 is larger than that of the bevel gear 13, and the ratio of the angular speed of the disk gear 10 to that of the bevel gear 13 is improved, so that the adjustment precision is improved. The other end of the rotating shaft 12 is inserted to the outside of the shell 1, a motor 14 is arranged at the top end of the shell 1, and the output end of the motor 14 is connected with the rotating shaft 12, so that automatic focusing adjustment is facilitated. Through the arrangement of the structure, the inner shell 2 is driven by the driving motor 14 to move corresponding to the shell 1, so that automatic focusing is realized, the motion conversion structure is fewer, the error is smaller, the whole structure is simpler, and the production and maintenance are more convenient.
Working principle: when the automatic focusing device works, the motor 14 is started, the motor 14 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the bevel gear 13 to rotate, the bevel gear 13 drives the disc-shaped gear 10 to rotate, the screw nut 11 in the disc-shaped gear 10 rotates along with the disc-shaped gear 10, and the screw 8 is driven to move, so that the inner shell 2 is driven to move relative to the shell 1, and automatic focusing is completed.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides an automatic optical lens subassembly of focusing, includes casing (1), is equipped with interior casing (2) in casing (1), is equipped with first lens subassembly (3), second lens subassembly (4) and third lens subassembly (5) in proper order from a left side to the right side in interior casing (2), a serial communication port, become annular on the outer wall of interior casing (2) one end and be equipped with a plurality of fixed plates (6), be equipped with lead screw (8) on one of them fixed plate (6), be equipped with guide arm (7) on other fixed plates (6), the inside outward flange of casing (1) is the annular and is equipped with a plurality of inner chambers (9), in guide arm (7) and lead screw (8) are interlude respectively to corresponding inner chamber (9), the top in casing (1) is equipped with disk gear (10) through the bearing, the axle center department of disk gear (10) is equipped with lead screw nut (11), lead screw nut (11) cooperate with lead screw (8), the top in casing (1) still is equipped with pivot (12), the one end of pivot (12) is equipped with bevel gear (13) with the meshing with disk gear (10), the other end of pivot (12) is interlude to the outside of casing (1), motor (14) is connected with pivot (14).
2. An auto-focus optical lens assembly according to claim 1, characterized in that the end of the guide rod (7) and the end of the screw rod (8) are provided with a stopper (15), and the diameter of the inner cavity (9) is the same as the diameter of the stopper (15).
3. An auto-focusing optical lens assembly according to claim 1, wherein a plurality of grooves are provided on the outer wall of the inner housing (2), and balls (16) are provided in the grooves, the balls (16) being attached to the inner wall of the housing (1).
4. An auto-focusing optical lens assembly according to claim 1, characterized in that the diameter of the disc-shaped gear (10) is larger than the diameter of the bevel gear (13).
5. An auto-focus optical lens assembly according to claim 1, characterized in that the first lens assembly (3), the second lens assembly (4) and the third lens assembly (5) are optical lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321216765.XU CN219871921U (en) | 2023-05-19 | 2023-05-19 | Automatic focusing optical lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321216765.XU CN219871921U (en) | 2023-05-19 | 2023-05-19 | Automatic focusing optical lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871921U true CN219871921U (en) | 2023-10-20 |
Family
ID=88324681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321216765.XU Active CN219871921U (en) | 2023-05-19 | 2023-05-19 | Automatic focusing optical lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871921U (en) |
-
2023
- 2023-05-19 CN CN202321216765.XU patent/CN219871921U/en active Active
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