Lens telescopic module
By designing a lens elevation module, using components such as guide columns, skateboards, spring, and gear systems to achieve the reduction of lens motion parts, solve the lack of existing lens in terms of motion accuracy and stability, and achieve efficient efficiency. Stable lens performance.
Patent Information
- Application Number
- CN202420385990.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The existing lens focus modules and zoom lenses have shortcomings in terms of motion accuracy and stability. The spiral grooves are costly, complex assembled and large in size, while the screw moving parts have poor performance, low accuracy and are prone to failure.
Design a lens elevation module, adopts components such as guidance columns, skateboards, springs, and motion parts. The drive shaft and gear system through the motor drives the camwor and spiral oblique surface to achieve the movement of the motion parts, improve the exercise accuracy and stability of stability sex.
Achieve the movement accuracy and stability of the lens in a limited space, avoid the high cost and complex assembly of the spiral grooves, while overcoming the lack of performance and easy failure of the screw movement parts.
Smart Images
Figure CN222420630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical imaging, in particular to a lens lifting and shrinking module. Background Art
[0002] The demand for taking photos is increasing in mobile phones and other terminal devices, and there is a demand for more photo functions and better cameras in these mobile terminal devices. In order to improve the shooting performance of existing mobile terminal devices, many terminal devices will adopt multiple solutions to upgrade their internal structures. In addition to data processing, the improvement of photo hardware is also a major improvement direction. However, due to the volume limitations of mobile terminal devices, the camera module cannot achieve equivalent performance improvements by expanding the volume. It is necessary to design more efficient functional components in a limited space, which is the improvement idea of the existing technology;
[0003] In current lens focusing modules, zoom lenses and all-in-one machines, spiral grooves or lead screw movable parts are usually used to achieve this. The motion accuracy and stability of spiral grooves are better than those of lead screw movable parts, but they have problems such as high cost, complex assembly, and large size; while the structure design of lead screw movable parts is simple, easy to assemble, and low in cost, but they have poor performance, low accuracy, and are prone to failure. In response to the above problems, the inventor proposes a lens lifting and retracting module to solve the above problems. Utility Model Content
[0004] In order to solve the problem that the motion accuracy and stability of the spiral groove are better than that of the screw movable part, but the cost is high, the assembly is complicated, and the volume is large. The screw movable part has a simple structure design, is easy to assemble, and has a low cost, but has poor performance, low precision, and is prone to failure; the purpose of the utility model is to provide a lens lifting and retracting module.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a lens lifting and retracting module, including a support box, wherein a guide column is symmetrically fixedly connected to the bottom end of the support box and near the center, a slide plate is slidably connected to the outer ring of the guide column, a spring is sleeved and fixedly connected to the bottom end of the slide plate and the outer ring of the guide column, and the bottom end of the spring is fixedly connected to the inner wall of the support box, a moving part is fixedly connected between the two slides, a spiral inclined surface is provided at the top of the moving part, a transmission ring is rotatably connected inside the top end of the support box and located above the moving part, a cam is fixedly connected to the bottom end of the transmission ring, and the cam cooperates with the spiral inclined surface.
[0006] Preferably, a second top groove is provided at the top of the support box and located at the transmission ring, a lens is fixedly connected to the top of the support box and located at the second top groove, a base is fixedly connected to the bottom end of the support box, and a bottom cover is fixedly connected to the center of the bottom end of the base.
[0007] Preferably, a column is rotatably connected inside the bottom of the support box and close to the moving part, a second gear is fixedly connected to the top of the column, a gear ring is fixedly connected to the outer ring of the transmission ring and close to the second gear, and the gear ring is meshed with the second gear.
[0008] Preferably, a first gear is fixedly connected to the outer ring of the column near the center, a transmission shaft is rotatably connected to the bottom of the support box near the first gear, a third gear is fixedly connected to the outer ring of the transmission shaft near the first gear, and the third gear is meshed with the first gear.
[0009] Preferably, a top groove 1 is opened at the top of the support box and near the corner, a motor is fixedly connected to the top of the top groove 1, the output end of the motor passes through the support box and is fixedly connected to the transmission shaft, and a rope is fixedly connected to the side end of the support box and near the center.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. In the utility model, the motor is operated, and then the transmission shaft and the first gear and the second gear, the third gear, the transmission ring, the cam, the spiral bevel and the spring cooperate with each other to realize the expansion and contraction of the moving part inside the support box, thereby solving the problem that the movement accuracy and stability of the spiral groove are better than that of the screw moving part, but the cost is high, the assembly is complicated and the volume is large. The structure design of the screw moving part is simple, easy to assemble and low in cost, but the performance is poor, the accuracy is low and it is easy to fail;
[0012] 2. The utility model adopts a cam and a spiral bevel, so that a heavy load can be driven, and by setting the first gear, the second gear and the third gear, the single-step drive displacement is small, thereby improving the movement accuracy and stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0015] Figure 2 It is a schematic diagram of the structure of the moving parts of the utility model.
[0016] Figure 3 This is a schematic diagram of the base structure of the utility model.
[0017] In the figure: 1. support box; 12. top slot 1; 13. motor; 14. rope; 15. lens; 16. top slot 2; 2. base; 21. bottom cover; 3. guide column; 31. slide plate; 32. moving part; 33. spring; 34. spiral slope; 35. column; 36. first gear; 37. transmission ring; 38. gear ring; 39. cam; 310. second gear; 311. transmission shaft; 312. third gear. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] Example: Figure 1-3 As shown, the utility model provides a technical solution: a lens lifting and retracting module, including a support box 1, a guide column 3 is symmetrically fixedly connected to the bottom end of the support box 1 and near the center, a slide plate 31 is slidably connected to the outer ring of the guide column 3, a spring 33 is sleeved and fixedly connected to the bottom end of the slide plate 31 and the outer ring of the guide column 3, and the bottom end of the spring 33 is fixedly connected to the inner wall of the support box 1, a moving part 32 is fixedly connected between the two slide plates 31, a spiral inclined surface 34 is provided on the top of the moving part 32, a transmission ring 37 is rotatably connected inside the top end of the support box 1 and located above the moving part 32, a cam 39 is fixedly connected to the bottom end of the transmission ring 37, and the cam 39 cooperates with the spiral inclined surface 34.
[0020] A second top groove 16 is provided at the top of the support box 1 and located at the transmission ring 37 , and a lens 15 is fixedly connected to the top of the support box 1 and located at the second top groove 16 .
[0021] By adopting the above technical solution, a second top groove 16 is provided on the top of the support box 1 to facilitate the installation and fixing of the lens 15 .
[0022] The bottom end of the support box 1 is fixedly connected to a base 2 , and the center of the bottom end of the base 2 is fixedly connected to a bottom cover 21 .
[0023] By adopting the above technical solution, the base 2 is provided to support and fix the support box 1 , and the bottom cover 21 is provided to protect the camera in the moving part 32 .
[0024] A column 35 is rotatably connected inside the bottom end of the support box 1 and close to the moving part 32 , and a second gear 310 is fixedly connected to the top end of the column 35 .
[0025] By adopting the above technical solution, the column 35 is provided to support and fix the first gear 36 and the second gear 310 .
[0026] A gear ring 38 is fixedly connected to the outer ring of the transmission ring 37 and close to the second gear 310 , and the gear ring 38 is meshed with the second gear 310 .
[0027] By adopting the above technical solution, a gear ring 38 is arranged on the outer ring of the transmission ring 37, and when the second gear 310 rotates, the gear ring 38 in meshing connection rotates.
[0028] A first gear 36 is fixedly connected to the outer circle of the column 35 and near the center. A transmission shaft 311 is rotatably connected to the bottom of the support box 1 and near the first gear 36. A third gear 312 is fixedly connected to the outer circle of the transmission shaft 311 and near the first gear 36, and the third gear 312 is meshed with the first gear 36.
[0029] By adopting the above technical solution, the transmission shaft 311 rotates, thereby causing the fixedly connected third gear 312 to rotate, thereby causing the meshingly connected first gear 36 to rotate.
[0030] A top groove 12 is provided at the top of the support box 1 and near the corner, and a motor 13 is fixedly connected to the top of the top groove 12 . The output end of the motor 13 passes through the support box 1 and is fixedly connected to the transmission shaft 311 .
[0031] By adopting the above technical solution, the top groove 12 is provided to install and fix the motor 13, and the motor 13 is operated so that the fixedly connected transmission shaft 311 rotates.
[0032] A rope 14 is fixedly connected to the side end of the support box 1 near the center.
[0033] By adopting the above technical solution, the rope 14 is provided to facilitate taking the entire device of the support box 1 .
[0034] Working principle: When the device is in use, the motor 13 is first operated to rotate the fixed transmission shaft 311, thereby rotating the fixed third gear 312, thereby rotating the meshing first gear 36, and at this time, the column 35 fixedly connected thereto will rotate, thereby rotating the fixed second gear 310, thereby rotating the meshing gear ring 38 driving the transmission ring 37 to rotate, thereby rotating the fixed cam 39, and then under the cooperation of the spiral bevel 34 and the two springs 33, the moving part 32 rises under the action of the two slides 31 and the cooperation of the two guide pillars 3, thereby realizing the expansion and contraction of the moving part 32 inside the support box 1, and then solving the problem that the movement accuracy and stability of the spiral groove are stronger than that of the screw movable part, but the cost is high, the assembly is complicated, and the volume is large. The screw movable part has a simple structural design, is easy to assemble, and has a low cost, but has poor performance, low precision, and is prone to failure.
[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A lens extension and retraction module, comprising a support box (1), characterized in that: A guide column (3) is symmetrically fixedly connected to the bottom end of the support box (1) and near the center. A slide plate (31) is slidably connected to the outer ring of the guide column (3). A spring (33) is sleeved and fixedly connected to the bottom end of the slide plate (31) and is fixedly connected to the outer ring of the guide column (3). The bottom end of the spring (33) is fixedly connected to the inner wall of the support box (1). A moving part (32) is fixedly connected between the two slide plates (31). A spiral inclined surface (34) is provided at the top end of the moving part (32). A transmission ring (37) is rotatably connected to the top of the support box (1) and located above the moving part (32). A cam (39) is fixedly connected to the bottom end of the transmission ring (37), and the cam (39) cooperates with the spiral inclined surface (34).
2. A lens extension and retraction module as claimed in claim 1, characterized in that: A second top groove (16) is provided at the top of the support box (1) and located at the transmission ring (37), and a lens (15) is fixedly connected to the top of the support box (1) and located at the second top groove (16).
3. A lens extension and retraction module as claimed in claim 1, characterized in that: The bottom end of the support box (1) is fixedly connected to a base (2), and the center of the bottom end of the base (2) is fixedly connected to a bottom cover (21).
4. A lens extension and retraction module as claimed in claim 1, characterized in that: A column (35) is rotatably connected inside the bottom end of the support box (1) and close to the moving part (32), and a second gear (310) is fixedly connected to the top end of the column (35).
5. A lens extension and retraction module as claimed in claim 4, characterized in that: A gear ring (38) is fixedly connected to the outer ring of the transmission ring (37) near the second gear (310), and the gear ring (38) is meshed with the second gear (310).
6. A lens extension and retraction module as claimed in claim 4, characterized in that: A first gear (36) is fixedly connected to the outer ring of the column (35) near the center, a transmission shaft (311) is rotatably connected to the bottom of the support box (1) near the first gear (36), a third gear (312) is fixedly connected to the outer ring of the transmission shaft (311) near the first gear (36), and the third gear (312) is meshed with the first gear (36).
7. A lens extension and retraction module as claimed in claim 6, characterized in that: A top groove (12) is provided at the top of the support box (1) and near the corner, a motor (13) is fixedly connected to the top of the top groove (12), and an output end of the motor (13) passes through the support box (1) and is fixedly connected to the transmission shaft (311).
8. The lens extension and retraction module according to claim 1, characterized in that: A rope (14) is fixedly connected to the side end of the support box (1) near the center.