CN220773325U - Structure for fixing camera lens and self-adaptively adjusting focal length - Google Patents

Abstract

The utility model relates to the technical field of focal length adjustment, and discloses a camera lens fixing and self-adaptive focal length adjusting structure. Comprising the following steps: the camera and the fixed focus lens are assembled by threads, the focal length is adjusted by rotating the rotating nut, and the adjusted fixing screw is arranged in a corresponding hole at the side edge of the rotating nut to fix the focal length. The rotation nut enables the camera and the lens to axially change at will and rotate at will, thereby being suitable for different postures and reducing the cost.

Description

Structure for fixing camera lens and self-adaptively adjusting focal length

Technical Field

The utility model relates to the technical field of focal length adjustment, in particular to a camera lens fixing and self-adaptive focal length adjusting structure.

Background

In the early stage of photography development, only one lens is available on the market, and the focal length of the lens cannot be changed, so that the lens is the current fixed-focus lens. Therefore, when people talk about "lens", what is defaults to single focus lens, and later "auxiliary lens" outside the mainstream market, which have the important feature of variable focus, are known as zoom lens, are developed with the development of photography technology. Compared with a zoom lens, the fixed-focus lens has larger aperture, is lighter and more convenient to carry, is better than the zoom lens in focusing speed and has better image quality, and the demand for the fixed-focus lens in the market is large.

In the prior art, a C/CS adapter ring is used for fixing a camera and a fixed focus lens, the fixed focus lens adjusts the focal length by adding or reducing gaskets with different thicknesses, and because of the production errors of the camera and the lens, the number and the thickness of gaskets required for each combination are different, and the gaskets are required to be manually assembled, disassembled and replaced for many times to achieve the ideal focal length, so that the labor cost is increased and the production efficiency is reduced.

When the shape of the fixed focus lens is irregular, the posture of the lens is inconsistent after the ideal focal length is achieved; the difficulty of fixing the structure is increased, and because the space required by fixing the lens in different postures is considered, the outer size of the structure cannot be optimized, the structure cost and the product volume are increased, and mass production is difficult.

Disclosure of Invention

The technical problems to be solved are as follows: aiming at the defects of the prior art, the utility model provides a camera lens fixing and self-adaptive focal length adjusting structure, which has the advantages of enabling a fixed focal length lens to be quickly adjusted to an ideal focal length and saving time cost, solves the problem that the postures of a camera and the lens are unfavorable for fixing the structure or cannot be fixed, and simultaneously solves the problem that the ideal focal length is required to be adjusted by manually and repeatedly disassembling and assembling.

(II) technical scheme: in order to achieve the purpose of quickly adjusting the fixed focus lens to an ideal focal length, the problems that the gestures of the camera and the lens are unfavorable for fixing the structure or cannot be fixed are solved. The utility model provides the following technical scheme: a camera lens fixing and adaptive focal length adjustment structure, comprising: the camera, the camera and the fixed focus lens are provided with a groove and an external thread structure at the interfaces, and the high-elastic silica gel is arranged in the groove of the camera and forms a component with the camera; the rotary nut is internally provided with an internal thread structure, the outside is provided with a hole for installing a fixing screw, the rotary nut is installed on the fixed focus lens, the fixed focus lens is provided with an external thread structure and is in spiral connection with the internal thread structure of the nut fixing piece, and the rotary nut, the fixed focus lens and the nut fixing piece are used for fixing the rotary nut, so that the fixed focus lens component is formed; the camera component external thread structure is in threaded butt joint with the internal thread structure of the fixed focus lens component rotating nut, and the fixed screw is arranged on a corresponding hole on the rotating nut.

Preferably, the groove and the external thread structure at the camera interface are integrated, and the groove is arranged at the top end of the external thread, so that the high-elastic silica gel is convenient to install.

Preferably, the high-elastic silica gel is in a circular ring shape, is arranged in the concave groove and is made of elastic silica gel, the elastic range of the high-elastic silica gel can cover the adjustment range required by errors generated by camera production, and meanwhile, the high-elastic silica gel can also keep stable in structure.

Preferably, the rotary nut is in a ring shape, is fixed on the fixed focus lens, is internally provided with threads to facilitate the fixed focus lens to be connected with the camera, and can be rotated at will to adjust the focal length, so that the postures of the camera and the fixed focus lens can be changed at will.

Preferably, the nut fixing piece is in threaded connection with the fixed focus lens to fix the rotating nut, and the nut fixing piece is provided with a step to form a gap with the fixed focus lens, so that the rotating nut can flexibly rotate.

Preferably, the fixing screw is installed on the side surface of the rotating nut, and is used for fixing the focal length when the rotating nut adjusts the focal length.

Preferably, the fixed focus lens is circular, and can be installed at any axial rotation position.

(III) beneficial effects: compared with the prior art, the utility model provides a camera lens fixing and self-adaptive focal length adjusting structure, which has the following beneficial effects: the step arranged on the nut fixing piece can form a gap with the fixed focus lens, so that the rotary nut can flexibly rotate,

1. this camera lens is fixed and self-adaptation adjusts focus structure, will rotate the nut through the nut mounting and fix on the prime lens, and the nut of rotation can rotate at will, adjusts the focus, and production focusing stage only need twist the nut of rotation can adjust ideal focus, and its operation is reliable and stable, uses manpower sparingly, has improved production efficiency, has reduced manufacturing cost.

2. According to the camera lens fixing and self-adaptive focal length adjusting structure, the fixed-focus lens and the rotating nut are installed, the fixed-focus lens and the rotating nut can flexibly rotate in the axial direction, after the focal length is adjusted, the axial postures of the camera and the lens can be changed along with any direction, the focal length is not influenced, the structure miniaturization is realized, and the structure installation is more convenient; and the camera and the lens are fixed in any posture, so that the operation flexibility is higher.

Drawings

FIG. 1 is an exploded view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

fig. 4 is a detailed explanatory view of the present utility model.

In the figure: 1-camera, 101-groove, 2-high-elastic silica gel, 301-nut fixing piece, 302-rotating nut, 303-fixed focus lens and 4-fixing screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a camera lens fixing and adaptive focal length adjusting structure, the main body includes: the camera 1 and the fixed focus lens 303, the interface department of camera 1 and fixed focus lens 303 is provided with external screw thread structure, the top of external screw thread structure is provided with recess 101, high-elastic silica gel 2 installs in the recess 101 of camera 1, high-elastic silica gel 2 and camera 1 form the subassembly, fixed focus lens 303 has external screw thread structure, and nut mounting 301 internal screw thread structure screwed connection, be used for fixed swivel nut 302, swivel nut can free rotation come the regulation focus, fixed screw 4 installs fixed focus on the hole that corresponds on swivel nut 302, then swivel nut 302, fixed focus lens 303 and nut mounting 301 form fixed focus lens subassembly, swivel nut 302 inside has screw thread structure, camera subassembly external screw thread structure and fixed focus lens subassembly swivel nut 302 internal screw thread structure screw butt joint installation are fixed.

The working principle is that after the device is produced and assembled, the focal length is required to be adjusted, the distance between the camera 1 and the fixed focus lens 303 is adjusted by rotating the rotating nut 302 to extrude the high-elastic silica gel 2, the high-elastic silica gel 2 is compressed to generate reverse tension to support the fixed focus lens 303 in the process of screwing the rotating nut 302, and after the focal length is adjusted, the fixing screw 4 is arranged in a corresponding hole of the rotating nut 302 to prevent the device from loosening under the action of external force; since the fixed focus lens 303 and the rotary nut 302 are flexibly rotatable in the axial direction after being mounted, the axial postures of the camera 1 and the lens can be changed with any direction.

In summary, according to the camera lens fixing and self-adaptive focal length adjusting structure, the rotating nut 302 is fixed on the fixed focus lens 303 through the nut fixing piece 301, the rotating nut 302 can rotate at will, focusing can be achieved during production, the ideal focal length can be adjusted only by screwing the rotating nut 302, the operation process is stable and reliable, the operation is simple, the labor is saved, the production efficiency is improved, and the manufacturing cost is reduced; the fixed focus lens 303 and the rotary nut 302 are installed, the axial directions of the fixed focus lens 303 and the rotary nut 302 can flexibly rotate, and after the focal length is adjusted, the axial postures of the camera 1 and the lens can be changed along with any changes without affecting the focal length, so that the structure is miniaturized, and the structure is more convenient to install; and the camera and the lens are fixed in any posture, so that the operation flexibility is higher.

Example 2: when the special-shaped fixed focus lens is required to be adjusted and installed, the width of the rotating nut 302 is widened, the length of the threaded structure of the camera 1 is prolonged, space is generated in the device structure, and the special-shaped lens can be installed and fixed in any posture due to the connection and installation of the structure.

Working principle: the special-shaped fixed-focus lens can adjust the focal length as above and fix the focal length; the axial postures of the camera and the special-shaped fixed focus lens can be changed at will.

To sum up: the structure is suitable for fixed focus lenses in any shape and state, and has wide application, simple operation and low cost.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A camera lens fixing and self-adaptive focal length adjusting structure comprises a camera (1) and a fixed focus lens (303); the method is characterized in that: the camera (1) and the prime lens (303) are provided with a groove (101) and an external thread structure at the interface, and the high-elastic silica gel (2) is arranged in the groove of the camera and forms an assembly with the camera (1); the rotary nut (302) is internally provided with a thread structure, the outside is provided with a hole for installing a fixing screw (4), the rotary nut (302) is installed on the fixed focus lens (303), the external thread structure of the fixed focus lens (303) is in screw connection with the internal thread structure of the nut fixing piece (301) and is used for fixing the rotary nut (302), and then the rotary nut (302), the fixed focus lens (303) and the nut fixing piece (301) form a fixed focus lens assembly; the camera component external thread structure is in threaded butt joint with the internal thread structure of the fixed focus lens component rotating nut (302), and the fixing screw (4) is arranged on a corresponding hole on the rotating nut (302).

2. The camera lens fixing and adaptive focusing structure of claim 1, wherein: the high-elastic silica gel (2) is in a circular ring shape, is an elastic silica gel product, is arranged in the groove (101), and can be used for determining the elastic range of the high-elastic silica gel according to the required adjusting range of errors generated in camera production, and meanwhile, the high-elastic silica gel (2) can be kept stable in structure.

3. The camera lens fixing and adaptive focusing structure of claim 1, wherein: the rotary nut (302) is in a circular shape, is fixed on the fixed focus lens, is internally provided with threads to facilitate the fixed focus lens (303) assembly to be connected with the camera (1) assembly, and the rotary nut (302) can be rotated at will to adjust the focal length.

4. The camera lens fixing and adaptive focusing structure of claim 1, wherein: the nut fixing piece (301) is in threaded connection with the fixed focus lens (303) and used for fixing the rotating nut (302), and the nut fixing piece (301) is provided with steps to form gaps with the fixed focus lens (303), so that the rotating nut (302) can flexibly rotate.

5. The camera lens fixing and adaptive focusing structure of claim 1, wherein: the fixing screw (4) is arranged on the side edge of the rotating nut (302) and used for fixing the rotating nut (302) and fixing the focal length when the rotating nut (302) adjusts the focal length.