Spring ejector pin gear sensing filter frame
By using a spring-loaded pin gear-type filter frame design, the problems of inconvenient operation and low adjustment precision of existing filter frames are solved, enabling precise fine-tuning of the filter and clear mechanical feedback, thus improving the user experience.
Patent Information
- Application Number
- CN202520422709.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing filter frames mostly use simple snap-on or threaded structures, which are inconvenient to operate, have low adjustment precision, and users cannot perceive the mechanical feedback during the adjustment process, affecting the user experience.
The filter frame uses a spring-loaded pin gear mechanism, which drives the filter holder through a gear assembly to achieve precise adjustment, and provides clear mechanical feedback through the cooperation of the pin and the compression spring.
It enables precise fine-tuning of filters, enhances the user experience, and provides clear mechanical feedback.
Smart Images

Figure CN223742930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical equipment technology, specifically to a spring-loaded pin gear-sensing filter frame. Background Technology
[0002] In photography and optical equipment, filter frames are used to fix and adjust optical filters to achieve different shooting effects.
[0003] Existing filter frames mostly use simple snap-on or threaded structures, which are inconvenient to operate, have low adjustment precision, are difficult to fine-tune, and users cannot perceive the mechanical feedback during the adjustment process, affecting the user experience. Therefore, a spring-loaded pin gear-feel filter frame is needed. Utility Model Content
[0004] This invention proposes a spring-loaded pin gear-sensitive filter frame, which solves the problems of existing filter frames in related technologies that mostly adopt simple snap-fit or threaded structures, making them inconvenient to operate, with low adjustment precision, making it difficult to achieve fine adjustments, and the user cannot perceive the mechanical feedback during the adjustment process, thus affecting the user experience.
[0005] The technical solution of this utility model is as follows: a spring-loaded pin gear-featured filter frame, including a housing, a filter holder provided on the inner side of the housing, and a pressure ring provided on the inner side of the filter holder;
[0006] The housing has a pin inside, and a fixing component is provided on the outside of the pin. The pin is mounted on the housing through the fixing component.
[0007] The housing is provided with a gear assembly, and the gear assembly is connected to the filter holder. One end of the ejector pin is in contact with the gear assembly.
[0008] Preferably, the gear assembly includes a knob that extends through the housing, one end of which is fixedly mounted with a spur gear located inside the housing, and an external gear ring is fixedly mounted on the outer side wall of the filter holder, with the spur gear meshing with the external gear ring.
[0009] Preferably, the ejector pin includes a needle tube, which is fixedly mounted on the housing by the fixing component. The needle tube is provided with a needle tip and a compression spring, and the compression spring is located between the needle tube and the needle tip. The end of the needle tip away from the needle tube is in contact with the outer toothed ring.
[0010] Preferably, the fixing component includes a mounting base disposed on the outside of the needle tube, a stainless steel screw disposed in a circular hole on the mounting base, and the mounting base is fixed to the outer shell by the stainless steel screw.
[0011] Preferably, the outer shell is made of high-strength engineering plastic.
[0012] Preferably, the surface of the outer casing is provided with anti-slip texture.
[0013] Preferably, the filter holder is made of lightweight aluminum alloy.
[0014] The working principle and beneficial effects of this utility model are as follows:
[0015] The filter holder is driven by a gear assembly, enabling precise adjustment of the filter. Users can easily make fine adjustments. During adjustment, the gear assembly, in conjunction with the ejector pin, provides clear mechanical feedback, enhancing the user experience. Attached Figure Description
[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0017] Figure 1 This is a schematic diagram of the exploded structure proposed in this utility model;
[0018] Figure 2 This is a schematic diagram of the overall structure proposed in this utility model;
[0019] Figure 3 This utility model proposes Figure 1 Enlarged structural diagram at point A in the diagram;
[0020] Figure 4 A schematic diagram of the ejector pin structure is provided for this utility model;
[0021] In the image: 1. Outer shell; 2. Filter holder; 3. Pressure ring;
[0022] 4. Ejector pin; 41. Needle tube; 42. Needle tip; 43. Compression spring;
[0023] 5. Fixing components; 51. Mounting bracket; 52. Stainless steel screws;
[0024] 6. Gear assembly; 61. Knob; 62. Spur gear; 63. External gear ring. Detailed Implementation
[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.
[0026] Please see Figure 1 - Figure 4 A spring-loaded pin gear-sensitive filter frame includes a housing 1, a filter holder 2 is provided on the inner side of the housing 1, and a pressure ring 3 is provided on the inner side of the filter holder 2.
[0027] The housing 1 has a ejector pin 4 inside and a fixing component 5 outside the ejector pin 4. The ejector pin 4 is mounted on the housing 1 through the fixing component 5.
[0028] A gear assembly 6 is provided on the outer casing 1, and the gear assembly 6 is connected to the filter holder 2. One end of the ejector pin 4 is in contact with the gear assembly 6.
[0029] This utility model provides a spring-loaded pin gear-sensitive filter frame. In use, the user drives the filter holder 2 through the gear assembly 6 on the outer shell 1, thereby achieving precise adjustment of the filter and allowing the user to easily make fine adjustments. At the same time, the gear assembly 6, in cooperation with the pin 4, allows the user to feel clear mechanical feedback, improving the user experience.
[0030] Furthermore, the gear assembly 6 includes a knob 61 that extends through the housing 1. A spur gear 62 is fixedly mounted on one end of the knob 61 and is located inside the housing 1. An external gear ring 63 is fixedly mounted on the outer side wall of the filter holder 2, and the spur gear 62 and the external gear ring 63 are meshed together.
[0031] Specifically, by rotating knob 61, the user can cause spur gear 62 to drive external gear ring 63, and the rotation of external gear ring 63 drives filter holder 2, thereby achieving precise adjustment of the filter and allowing the user to easily make fine adjustments.
[0032] Furthermore, the ejector pin 4 includes a needle tube 41, which is fixedly mounted on the housing 1 by a fixing component 5. The needle tube 41 is provided with a needle tip 42 and a compression spring 43, and the compression spring 43 is located between the needle tube 41 and the needle tip 42. The end of the needle tip 42 away from the needle tube 41 is in contact with the outer toothed ring 63.
[0033] Specifically, when the external gear ring 63 rotates the gear, under the action of the needle tube 41 and the compression spring 43, one end of the needle 42 can slide through the tooth grooves on the external gear ring 63 in sequence, thereby generating clear mechanical feedback and improving the user experience.
[0034] Furthermore, the fixing component 5 includes a mounting base 51 disposed on the outside of the needle tube 41, a stainless steel screw 52 disposed in the round hole on the mounting base 51, and the mounting base 51 is fixed to the outer shell 1 by the stainless steel screw 52.
[0035] Specifically, the ejector pin 4 is stably fixed to the housing 1 by means of the mounting base 51 and the stainless steel screw 52.
[0036] Furthermore, the outer shell 1 is made of high-strength engineering plastic, and the surface of the outer shell 1 is provided with anti-slip texture.
[0037] Specifically, the outer shell 1, made of high-strength engineering plastic, has excellent mechanical strength and impact resistance, can withstand various external forces without easily deforming, ensures that the product can maintain structural integrity when subjected to impact, and can also resist the corrosion of various chemicals, making it suitable for various environments and ensuring stability in various environments, thereby better protecting gear components 6, etc. Furthermore, since the surface of the outer shell 1 has anti-slip textures, it can effectively increase friction and facilitate user operation.
[0038] Furthermore, the filter holder 2 is made of lightweight aluminum alloy.
[0039] Specifically, the filter holder 2 is made of lightweight aluminum alloy, which not only reduces weight while ensuring strength and durability, but also has good corrosion resistance, thermal conductivity and processing performance.
[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A spring-ejector pin gear filter frame comprising a housing (1), characterized in that, The inner side of the shell (1) is provided with a filter support (2), and the inner side of the filter support (2) is provided with a pressing ring (3); The inside of the shell (1) is provided with a thimble (4), the outer side of the thimble (4) is provided with a fixing assembly (5), and the thimble (4) is installed on the shell (1) through the fixing assembly (5); The shell (1) is provided with a gear assembly (6), and the gear assembly (6) is connected between the filter support (2), and one end of the thimble (4) is in contact with the gear assembly (6).
2. A spring-ejector gear gimballed filter frame according to claim 1, wherein: The gear assembly (6) comprises a knob (61) penetratingly arranged on the shell (1), one end of the knob (61) is fixedly installed with a spur gear (62), and the spur gear (62) is located on the inner side of the shell (1), an outer gear ring (63) is fixedly installed on the outer side wall of the filter support (2), and the spur gear (62) is in meshing connection with the outer gear ring (63).
3. A spring-ejector gear goggle frame according to claim 2, wherein: The thimble (4) comprises a needle tube (41), and the needle tube (41) is fixedly installed on the shell (1) through the fixing assembly (5), the inner side of the needle tube (41) is respectively provided with a needle head (42) and a compression spring (43), the compression spring (43) is located between the needle tube (41) and the needle head (42), and the end of the needle head (42) away from the needle tube (41) is in contact with the outer gear ring (63).
4. A spring-ejector gear goggle frame according to claim 3, wherein: The fixing assembly (5) comprises a mounting seat (51) arranged on the outer side of the needle tube (41), a circular hole in the mounting seat (51) is provided with a stainless steel screw (52), and the mounting seat (51) is fixed on the shell (1) through the stainless steel screw (52).
5. A spring-ejector gear goggle frame according to claim 1, wherein: The shell (1) is made of high-strength engineering plastic.
6. A spring-ejector toothed wheel filter mask according to claim 1, characterized in that: The surface of the shell (1) is provided with anti-skid lines.
7. A spring-ejector gear goggle frame according to claim 1, wherein: The filter support (2) is made of light aluminum alloy material.