Quick assembling and disassembling structure for interchangeable aperture base

Abstract

The utility model relates to the technical field of aperture bases, and discloses an interchangeable aperture base quick assembling and disassembling structure which comprises a camera shell, a shutter is fixedly connected to the left side of the top end of the camera shell, a view finding assembly is fixedly connected to the interior of the middle end of the front side of the camera shell, and a flash lamp is fixedly connected to the left side of the front end of the camera shell. A containing column is fixedly connected into the front side of the camera shell, a containing hole is formed in the containing column, a strong spring is arranged in the containing hole, a limiting plate is slidably connected into the containing hole, a sliding hole is formed in the front side of the containing column, and two limiting holes are formed in the inner wall of the front side of the containing column. According to the utility model, the rapid replacement of the aperture base is realized, the possible difficulty during the replacement of the aperture base is reduced, and the problem that the thread specification is not matched does not need to be worried about.

Description

Technical Field

[0001] The utility model relates to the technical field of aperture bases, in particular to a quick assembly and disassembly structure of an interchangeable aperture base. Background Art

[0002] Interchangeable aperture mount is a design commonly used in some professional lenses or photographic equipment, allowing users to replace the aperture mount on the lens to suit different shooting needs or scenes. The quick loading and unloading function of the interchangeable aperture mount provides photographers with flexibility, efficiency and creativity, enabling them to better adapt to different shooting environments and needs.

[0003] In the prior art, some aperture bases are used in some professional lenses or photographic equipment, allowing users to replace the aperture base on the lens. However, most replacements are to set threads on the base, rotate the base to rotate the threads and then disassemble it. The threads must accurately match the size and specifications of the camera and the base. If there is any mismatch or incomplete match, the base will be installed loosely or cannot be installed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an interchangeable aperture base quick assembly and disassembly structure, which aims to improve the problem in the prior art that the base and the camera are replaced using threads, which may cause the base to be loosely installed or unable to be installed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an interchangeable aperture base quick loading and unloading structure, comprising a camera housing, a shutter is fixedly connected to the left side of the top end of the camera housing, a viewfinder assembly is fixedly connected to the middle end of the front side of the camera housing, a flash is fixedly connected to the left side of the front end of the camera housing, a accommodating column is fixedly connected to the front side of the camera housing, a accommodating hole is provided in the accommodating column, a strong spring is arranged in the accommodating hole, a limiting plate is slidably connected to the inside of the accommodating hole, a sliding hole is provided in the front side of the accommodating column, two limiting holes are provided on the front inner wall of the accommodating column, two entry holes are provided on the front side of the accommodating column, a base is slidably connected to the front side of the accommodating column, and two limiting blocks are fixedly connected to the outside of the base.

[0006] Furthermore, the front end of the base is fixedly connected to a connecting ring 1, the front end of the connecting ring 1 is rotatably connected to a fixing plate, the front end of the fixing plate is rotatably connected to a rotating circle, a plurality of movable holes are provided inside the rotating circle, a trapezoidal hole is provided on the front side of the fixing plate, the rear end of the rotating circle is rotatably connected to a special-shaped block, and the interior of the special-shaped block is fixedly connected to a connecting column.

[0007] Furthermore, the viewfinder assembly includes a viewfinder mirror, and the outer portion of the viewfinder mirror is fixedly connected to the inner portion of the front middle end of the camera housing.

[0008] Furthermore, the outside of the limit block is slidably connected to the inside of the sliding hole, the outside of the limit block is slidably connected to the outside of the entry hole, and one side of the limit block is engaged with the inside of the limit hole.

[0009] Furthermore, one end of the strong spring is fixedly connected to one side of the interior of the accommodating hole, and the other end of the strong spring is fixedly connected to the rear side of the limiting plate.

[0010] Furthermore, the outer portion of the connecting column is movably connected to the inner portion of the movable hole, and the outer rear side of the connecting column is slidably connected to the inner portion of the trapezoidal hole.

[0011] Furthermore, the rear side of the special-shaped block is slidably connected to the front side of the fixed plate, and the front end of the rotating circle is rotatably connected to a second connecting circle.

[0012] Furthermore, a lens frame is fixedly connected to the front end of the second connecting ring, a lens is fixedly connected to the interior of the lens frame, and an aperture hole is opened inside the fixing plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, through the mutual cooperation of the strong spring, the limit plate, the sliding hole, the limit hole, the limit block, the entry hole, the base, the receiving hole, the receiving column and other structures, the rapid replacement of the aperture base is realized, and the difficulties that may be encountered when replacing the aperture base are reduced. This makes it easy for even users who are relatively unfamiliar with the equipment to complete the operation, and it is easier to switch between aperture bases of different brands, models or types without worrying about the problem of mismatching thread specifications.

[0015] 2. In the utility model, the aperture is adjustable through the cooperation of the fixed plate, the rotating circle, the movable hole, the trapezoidal hole, the special-shaped block, the connecting column, the aperture hole and the like, allowing the photographer to make adjustments according to the specific situation to meet the shooting requirements. For example, when shooting landscapes, one may want to use a smaller aperture to obtain a greater depth of field, while in portrait photography, one may prefer to use a larger aperture to achieve background blur. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of the quick-loading and disassembly structure of the interchangeable aperture base proposed by the utility model;

[0017] Figure 2 A schematic diagram of the camera housing structure of the interchangeable aperture base quick assembly and disassembly structure proposed by the utility model;

[0018] Figure 3 A schematic diagram of the receiving column structure of the interchangeable aperture base quick assembly and disassembly structure proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the rotating ring structure of the interchangeable aperture base quick assembly and disassembly structure proposed by the utility model.

[0020] Legend:

[0021] 1. Camera body; 2. Shutter; 3. Viewfinder; 4. Flash; 5. Accommodation column; 6. Accommodation hole; 7. Powerful spring; 8. Limit plate; 9. Sliding hole; 10. Limit hole; 11. Entry hole; 12. Base; 13. Limit block; 14. Connecting ring 1; 15. Fixed plate; 16. Rotating circle; 17. Movable hole; 18. Trapezoidal hole; 19. Special-shaped block; 20. Connecting column; 21. Connecting ring 2; 22. Frame; 23. Lens; 24. Aperture hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1 and Figure 2The utility model provides an embodiment: an interchangeable aperture base quick-loading and disassembly structure, including a camera housing 1, which is the main body of the camera, a shutter 2 is fixedly connected to the left side of the top of the camera housing 1 for controlling the exposure time, a viewfinder assembly is fixedly connected to the interior of the front middle end of the camera housing 1, and the viewfinder assembly includes a viewfinder mirror 3 for providing a photographer's field of view when framing, the outside of the viewfinder mirror 3 is fixedly connected to the interior of the front middle end of the camera housing 1, a flash 4 is fixedly connected to the left side of the front end of the camera housing 1 for providing a light source when shooting, a receiving column 5 is fixedly connected to the interior of the front side of the camera housing 1, a receiving hole 6 is opened inside the receiving column 5 for providing additional space, a strong spring 7 is arranged inside the receiving hole 6 for providing spring force, a limiting plate 8 is slidably connected to the interior of the receiving hole 6 for connecting and transmitting the spring force of the strong spring 7, one end of the strong spring 7 It is fixedly connected to one side of the inner part of the accommodating hole 6, and the other end of the strong spring 7 is fixedly connected to the rear side of the limiting plate 8. A sliding hole 9 is provided inside the front side of the accommodating column 5 to provide additional movement space. Two limiting holes 10 are provided on the front inner wall of the accommodating column 5 to provide limiting space. Two entry holes 11 are provided on the front side of the accommodating column 5 to facilitate the smooth movement of subsequent components. A base 12 is slidably connected to the inside of the front side of the accommodating column 5 to provide support. Two limiting blocks 13 are fixedly connected to the outside of the base 12. The outside of the limiting block 13 is slidably connected to the inside of the sliding hole 9. This is for the limiting block 13 to move smoothly. The outside of the limiting block 13 is slidably connected to the outside of the entry hole 11. This design also provides that the limiting block 13 can move smoothly. One side of the limiting block 13 is engaged with the inside of the limiting hole 10, which is used to provide fixation of the base 12.

[0024] Reference Figure 1 and Figure 3 and Figure 4 The front end of the base 12 is fixedly connected with a connecting ring 14 for providing a connecting function. The front end of the connecting ring 14 is rotatably connected with a fixed plate 15 for providing additional support. The front end of the fixed plate 15 is rotatably connected with a rotating ring 16 for providing rotation. The rotating ring 16 has a plurality of movable holes 17 inside to provide additional movement space. The front side of the fixed plate 15 has a trapezoidal hole 18. The rear end of the rotating ring 16 is rotatably connected with a special-shaped block 19 for adjusting the aperture size. The rear side of the special-shaped block 19 is slidably connected to the fixed plate 15. On the front side, the front end of the rotating circle 16 is rotatably connected to the connecting circle 21, the interior of the special-shaped block 19 is fixedly connected to a connecting column 20 for adjusting the position of the special-shaped block 19, the exterior of the connecting column 20 is movably connected to the interior of the movable hole 17, and the exterior rear side of the connecting column 20 is slidably connected to the interior of the trapezoidal hole 18, the front end of the connecting circle 21 is fixedly connected to a frame 22 for accommodating and protecting a lens 23, the interior of the frame 22 is fixedly connected to a lens 23 for focusing and capturing images, and an aperture hole 24 is provided inside the fixed plate 15.

[0025] Working principle: first, press the base 12 backward, and the limit block 13 is disengaged from the inside of the limit hole 10 under the pressure of the base 12, and then rotate the base 12 to make the base 12 rotate inside the sliding hole 9, so that the limit block 13 rotates to the position of the entry hole 11, and then slides out to disassemble the base 12, and then when pressing the base 12, the limit plate 8 will also move, and the strong spring 7 will be stressed under the movement of the limit plate 8. Under the force of the strong spring 7, a rebound force will be generated to provide the force for the limit block 13 to be engaged in the limit hole 10 after subsequent installation, and then when the aperture needs to be adjusted, rotate the rotating circle 16, and the movable hole 17 will also move under the rotation of the rotating circle 16, and the movement of the movable hole 17 will drive the connecting column 20 to move inside the trapezoidal hole 18, and then the movement of the connecting column 20 will make the special-shaped block 19 move on one side of the fixed plate 15 to adjust the aperture hole 24.

[0026] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An interchangeable aperture base quick-loading and disassembly structure, comprising a camera housing (1), characterized in that: A shutter (2) is fixedly connected to the left side of the top end of the camera housing (1); a viewfinder assembly is fixedly connected to the middle end of the front side of the camera housing (1); a flash (4) is fixedly connected to the left side of the front end of the camera housing (1); a receiving column (5) is fixedly connected to the front side of the camera housing (1); a receiving hole (6) is provided inside the receiving column (5); a strong spring (7) is arranged inside the receiving hole (6); a limiting plate (8) is slidably connected to the inside of the receiving hole (6); a sliding hole (9) is provided inside the front side of the receiving column (5); two limiting holes (10) are provided on the inner wall of the front side of the receiving column (5); two entry holes (11) are provided on the front side of the receiving column (5); a base (12) is slidably connected to the inside of the front side of the receiving column (5); and two limiting blocks (13) are fixedly connected to the outside of the base (12).

2. The interchangeable aperture base quick assembly and disassembly structure according to claim 1, characterized in that: The front end of the base (12) is fixedly connected to a connecting ring (14), the front end of the connecting ring (14) is rotatably connected to a fixing plate (15), the front end of the fixing plate (15) is rotatably connected to a rotating ring (16), a plurality of movable holes (17) are provided inside the rotating ring (16), a trapezoidal hole (18) is provided on the front side of the fixing plate (15), the rear end of the rotating ring (16) is rotatably connected to a special-shaped block (19), and a connecting column (20) is fixedly connected inside the special-shaped block (19).

3. The interchangeable aperture base quick assembly and disassembly structure according to claim 1, characterized in that: The viewfinder assembly comprises a viewfinder mirror (3), the exterior of the viewfinder mirror (3) being fixedly connected to the interior of the front middle end of the camera housing (1).

4. The interchangeable aperture base quick assembly and disassembly structure according to claim 1, characterized in that: The outside of the limit block (13) is slidably connected to the inside of the sliding hole (9), the outside of the limit block (13) is slidably connected to the outside of the entry hole (11), and one side of the limit block (13) is engaged with the inside of the limit hole (10).

5. The interchangeable aperture base quick assembly and disassembly structure according to claim 1, characterized in that: One end of the strong spring (7) is fixedly connected to one side of the interior of the accommodating hole (6), and the other end of the strong spring (7) is fixedly connected to the rear side of the limiting plate (8).

6. The interchangeable aperture base quick assembly and disassembly structure according to claim 2, characterized in that: The outside of the connecting column (20) is movably connected to the inside of the movable hole (17), and the outside rear side of the connecting column (20) is slidably connected to the inside of the trapezoidal hole (18).

7. The interchangeable aperture base quick assembly and disassembly structure according to claim 2, characterized in that: The rear side of the special-shaped block (19) is slidably connected to the front side of the fixed plate (15), and the front end of the rotating circle (16) is rotatably connected to a second connecting circle (21).

8. The interchangeable aperture base quick assembly and disassembly structure according to claim 7, characterized in that: The front end of the second connecting ring (21) is fixedly connected to a lens frame (22), the interior of the lens frame (22) is fixedly connected to a lens (23), and an aperture hole (24) is provided inside the fixing plate (15).

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