Optical lens focusing assembly with dustproof function
By adopting a combined structure of the housing, release mechanism and lock mechanism in the optical lens focus assembly, combined with the dust-proof sealing ring, the problem of insufficient dust-proof and waterproof performance of the traditional optical lens focus assembly is solved, achieving higher dust-proof and waterproofing capabilities and more stable imaging quality.
Patent Information
- Application Number
- CN202421668746.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-15
AI Technical Summary
Traditional optical lens focus components have shortcomings in dust and waterproof performance, and are susceptible to environmental factors, affecting imaging quality and durability of components.
An optical lens focusing assembly with dust-proof function is designed, adopting a combined structure of a housing, a release mechanism and a locking mechanism, including a dust-proof sealing ring. The housing provides structural support and protection for the entire focusing assembly to prevent internal mechanical components from being affected by the external environment.
This component has excellent fast locking and release functions, enhances dust and waterproofing capabilities, protects internal optical components, ensures long-lasting and stable image quality, and improves the safety and reliability of the equipment.
Smart Images

Figure CN222952531U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens focusing, in particular to an optical lens focusing component with a dustproof function. Background Art
[0002] Optical lens focusing components are key parts for accurately adjusting the focal length of camera lenses. They are mainly used in various imaging systems, such as cameras, telescopes, and microscopes. These components allow users or devices to adjust the focus of the lens according to imaging requirements to obtain clear images.
[0003] Traditional optical lens focusing components mainly rely on mechanical means, such as rotating an external focusing ring or using a simple drive mechanism for manual or automatic focusing. The main disadvantages of these traditional methods include slow speed, limited focusing accuracy, and high mechanical wear rate, which may cause the focusing effect to deteriorate over time, especially under frequent use. In addition, traditional focusing systems often have insufficient dust and water resistance and are easily affected by environmental factors, affecting image quality and component durability. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] The purpose of the utility model is to provide an optical lens focusing assembly with a dustproof function, so as to solve the problem of poor dustproof and waterproof performance of the traditional optical lens focusing assembly mentioned in the above background technology.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical lens focusing assembly with a dustproof function, the optical lens focusing assembly with a dustproof function comprises a shell, a release mechanism and a locking mechanism, a lens is arranged at the upper end of the shell, a focusing ring is arranged at the middle position of the shell, a base is arranged at the lower end of the shell, a release mechanism is arranged on the outer side of the base, a camera connecting piece is arranged on the lower side of the base, a connecting ring is arranged at the upper end of the camera connecting piece, a locking mechanism is arranged inside the connecting ring, a dustproof sealing ring is arranged inside the connecting ring, and the shell provides structural support for the entire focusing assembly The lens is the core part of the optical system and is responsible for image acquisition and focusing. The focus ring is used to manually adjust the focal length of the lens to meet different shooting needs. The base serves as a connection platform between the lens and the camera, providing stable support. The release mechanism allows users to quickly install or remove the lens and improve operational flexibility. The camera connector is used to connect the lens assembly to the camera body to ensure the transmission of signals and mechanical functions. The connecting ring fixes the camera connector and supports the close combination between the lens and the camera. The dustproof seal prevents dust and moisture from entering the lens and protects the optical components.
[0008] Preferably, the release mechanism comprises a collar, and the outer ring of the base is provided with a collar, which surrounds the outer ring of the base to provide additional mechanical protection and support.
[0009] Preferably, a release button is provided on the collar, and a convex ring is provided at the lower end of the release button. The release button is used to activate the release mechanism to facilitate user operation, and the convex ring cooperates with the release button to transmit the release force.
[0010] Preferably, a movable groove is provided inside the convex ring, and a first spring is provided between the release button and the sleeve ring. The movable groove provides space for the movable part in the release mechanism, and the first spring is used for the release button to provide a reset function for it.
[0011] Preferably, a through hole is provided on the connecting ring, and the locking mechanism includes a spring box. A spring box is provided on the inner side of the through hole, and a limiting plate is provided inside the spring box. The through hole is a part of the connecting ring and provides space for the locking mechanism. The spring box stores the limiting plate and the spring to ensure the elasticity and reaction speed of the locking mechanism. The limiting plate, as a part of the locking mechanism, controls the movable range of the cone buckle.
[0012] Preferably, a second spring is provided between the limit plate and the spring box, and a movable rod is provided on the limit plate. The second spring provides necessary pressure for the limit plate to keep it in an appropriate position, and the movable rod connects the limit plate and the cone buckle to transmit mechanical power.
[0013] Preferably, a cone buckle is provided at the end of the movable rod, a movable gap is provided in the middle of the cone buckle, and a third spring is provided inside the cone buckle.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The dust-proof optical lens focusing assembly has excellent quick lock and release functions, allowing users to quickly change or adjust the lens without affecting shooting efficiency. This feature is especially suitable for photographers who need to respond quickly in changing environments, such as when shooting at news sites or in the wild, and can quickly adapt to different shooting needs and conditions;
[0016] 2. The dustproof optical lens focusing assembly and dustproof seal enhance the overall dustproof and waterproof capabilities, protecting the internal optical components from external environmental pollution and ensuring the long-term stability of image quality, which is essential for any photographic equipment that needs to be used outdoors or in dusty environments;
[0017] 3. The fine design of the optical lens focusing assembly, release mechanism and locking mechanism with dustproof function not only provides convenience in operation, but also increases the safety of equipment use, ensures the stability and reliability of the device during use, and avoids the risk of equipment damage or photography failure due to operational errors. These design details make the device have high practical value in the professional field. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the focusing assembly of the utility model;
[0019] Figure 2 This is an exploded view of the focusing assembly of the utility model;
[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the focusing assembly of the utility model;
[0021] Figure 4 This is a partial schematic cross-sectional view of the focusing assembly of the utility model;
[0022] Figure 5 This is a schematic diagram of the lock structure of the utility model.
[0023] In the figure: 1. shell; 2. lens; 3. focus ring; 4. base; 5. release mechanism; 501. collar; 502. release button; 503. convex ring; 504. movable groove; 505. first spring; 506. through hole; 6. camera connector; 7. connecting ring; 8. locking mechanism; 801. spring box; 802. limit plate; 803. second spring; 804. movable rod; 805. cone buckle; 806. third spring; 9. dustproof sealing ring. DETAILED DESCRIPTION
[0024] 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.
[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: an optical lens focusing assembly with a dustproof function, the optical lens focusing assembly with a dustproof function comprises a shell 1, a release mechanism 5 and a locking mechanism 8, a lens 2 is arranged at the upper end of the shell 1, a focus ring 3 is arranged at the middle position of the shell 1, a base 4 is arranged at the lower end of the shell 1, a release mechanism 5 is arranged on the outer side of the base 4, a camera connecting piece 6 is arranged on the lower side of the base 4, a connecting ring 7 is arranged at the upper end of the camera connecting piece 6, a locking mechanism 8 is arranged inside the connecting ring 7, a dustproof sealing ring 9 is arranged inside the connecting ring 7, and the shell 1 provides structural support and protection for the entire focusing assembly. Prevent the internal mechanical parts from being affected by the external environment. The lens 2 is the core part of the optical system and is responsible for image acquisition and focusing. The focus ring 3 is used to manually adjust the focal length of the lens to adapt to different shooting needs. The base 4 serves as a connection platform between the lens and the camera to provide stable support. The release mechanism 5 allows the user to quickly install or remove the lens to improve the flexibility of operation. The camera connector 6 is used to connect the lens assembly to the camera body to ensure the transmission of signals and mechanical functions. The connecting ring 7 fixes the camera connector to support the close combination between the lens and the camera. The dustproof seal 9 prevents dust and moisture from entering the lens and protects the optical components.
[0026] The release mechanism 5 includes a collar 501. The outer ring of the base 4 is provided with a collar 501, and a release button 502 is provided on the collar 501. The lower end of the release button 502 is provided with a convex ring 503, and the interior of the convex ring 503 is provided with a movable groove 504. A first spring 505 is provided between the release button 502 and the collar 501. The collar 501 surrounds the outer ring of the base 4 to provide additional mechanical protection and support. The release button 502 is used to activate the release mechanism for user operation. The convex ring 503 cooperates with the release button 502 to transmit the release power. The movable groove 504 provides space for movable parts in the release mechanism 5. The first spring 505 is used for the release button 502 to provide it with a reset function.
[0027] The connecting ring 7 is provided with a through hole 506, and the locking mechanism 8 includes a spring box 801. The spring box 801 is provided inside the through hole 506, and a limiting piece 802 is provided inside the spring box 801. A second spring 803 is provided between the limiting piece 802 and the spring box 801. A movable rod 804 is provided on the limiting piece 802, and a cone buckle 805 is provided at the end of the movable rod 804. A movable gap is provided in the middle of the cone buckle 805, and a third spring 806 is provided inside the cone buckle 805. The through hole 506 is a part of the connecting ring 7, which provides space for the locking mechanism 8. The spring box 801 stores the limit plate 802 and the spring to ensure the elasticity and reaction speed of the locking mechanism 8. The limit plate 802, as a part of the locking mechanism 8, controls the range of motion of the cone buckle 805. The second spring 803 provides the necessary pressure for the limit plate 802 to keep it in the appropriate position. The movable rod 804 connects the limit plate 802 and the cone buckle 805 to transmit mechanical power. The cone buckle 805 is the main locking component of the locking mechanism 8 and is responsible for locking and unlocking the lens. The third spring 806 is inside the cone buckle 805 to ensure the rapid response and reset of the cone buckle 805.
[0028] Working principle: First, the lens 2 is fixed to the upper end of the housing 1, allowing the user to adjust the focal length through the focus ring 3 to obtain clear imaging. The base 4 is located at the lower end of the housing and is equipped with a release mechanism 5, which includes a collar 501 and a release button 502. When the release button 502 is pressed, the convex ring 503 is used to activate the relevant components in the locking mechanism 8 to achieve rapid installation or removal of the lens. The working principle of the release mechanism 5 is to drive the collar 501 through the release button 502, and then affect the locking mechanism 8 through the convex ring 503. The locking mechanism 8 is located inside the connecting ring 7 and includes a spring box 801, a limit plate 802, a movable rod 804 and a cone buckle 80 5. This mechanism realizes fast locking and releasing actions through the interaction of the movable rod 804 and the cone buckle 805. A movable gap is set in the cone buckle 805 and supported by the third spring 806, so that the cone buckle can retract when the release button 502 is pressed, thereby disengaging from the through hole 506 of the connecting ring 7. The connecting ring 7 also has a dustproof sealing ring 9, which is located between the connecting ring and the camera connecting part 6 to prevent dust from entering the interior of the lens, protect the optical elements from pollution, and ensure the imaging quality. The overall design takes into account the convenience of user operation and the protection requirements of optical components, and realizes fast component replacement and stable photography experience through a precise mechanical structure.
[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. An optical lens focusing assembly with a dustproof function, the optical lens focusing assembly with a dustproof function comprising a housing (1), a release mechanism (5) and a locking mechanism (8), characterized in that: A lens (2) is arranged at the upper end of the shell (1), a focus ring (3) is arranged at the middle position of the shell (1), a base (4) is arranged at the lower end of the shell (1), a release mechanism (5) is arranged on the outer side of the base (4), a camera connecting piece (6) is arranged on the lower side of the base (4), a connecting ring (7) is arranged at the upper end of the camera connecting piece (6), a locking mechanism (8) is arranged inside the connecting ring (7), and a dustproof sealing ring (9) is arranged inside the connecting ring (7).
2. The optical lens focusing assembly with dustproof function according to claim 1, characterized in that: The release mechanism (5) comprises a collar (501). The outer ring of the base (4) is provided with the collar (501).
3. The optical lens focusing assembly with dustproof function according to claim 2, characterized in that: The collar (501) is provided with a release button (502), and a convex ring (503) is provided at the lower end of the release button (502).
4. The optical lens focusing assembly with dustproof function according to claim 3, characterized in that: A movable groove (504) is arranged inside the convex ring (503), and a first spring (505) is arranged between the release button (502) and the sleeve ring (501).
5. The optical lens focusing assembly with dustproof function according to claim 1, characterized in that: The connecting ring (7) is provided with a through hole (506), the locking mechanism (8) comprises a spring box (801), a spring box (801) is provided inside the through hole (506), and a limiting plate (802) is provided inside the spring box (801).
6. The optical lens focusing assembly with dustproof function according to claim 5, characterized in that: A second spring (803) is arranged between the limiting plate (802) and the spring box (801), and a movable rod (804) is arranged on the limiting plate (802).
7. The optical lens focusing assembly with dustproof function according to claim 6, characterized in that: A cone buckle (805) is arranged at the end of the movable rod (804), a movable gap is arranged in the middle of the cone buckle (805), and a third spring (806) is arranged inside the cone buckle (805).