Stable connecting device for camera and lens

By designing a stable connection device and using a threaded connection to achieve coaxial fixation between the lens and the camera, the problem of insufficient accuracy of the bayonet connection is solved, thereby improving shooting quality and efficiency.

CN223611827UActive Publication Date: 2025-11-28BEIJING CHANGGUANG MACHINERY OPTOELECTRONICS TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520271948.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-11-28
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

The existing camera and lens mount connection has insufficient precision, which makes the lens prone to shaking after installation, affecting the clarity of macro photography and telephoto shooting.

Method used

A stable connection device is designed, including a connecting frame, a lens fixing assembly, an upper connecting ring, an inner threaded post, and a polarizer holder. The lens and camera are coaxially fixed through threaded connection, ensuring that the lens, the lens, and the camera are on the same horizontal axis.

Benefits of technology

It improves the stability of lens and camera mounting, enhances shooting quality and efficiency, and ensures image clarity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223611827U_ABST
    Figure CN223611827U_ABST
Patent Text Reader

Abstract

The utility model discloses a stable connecting device for a camera and a lens, which comprises a connecting frame, a lens fixing component is arranged on the inner side of the connecting frame, an upper connecting ring is fixedly mounted on the outer surface of one side of the connecting frame, and a hollow threaded column is fixedly mounted on the outer surface of one side of the upper connecting ring. First mounting holes are symmetrically formed in the outer surface of one side of the middle of the connecting frame, a second mounting hole is formed in the outer surface of one side of the upper portion of the connecting frame, and a third mounting hole is formed in the outer surface of one side of the lower portion of the connecting frame. The lens is fixed to the upper connecting ring and the pressing ring through threaded connection, the camera is fixed to the lower connecting ring through threaded connection, and then the lens is in threaded connection to the inner side of the lower connecting ring by being matched with the pressing ring, so that by means of the structure, precise installation and connection between the lens and the camera are facilitated, and the stability of the lens after installation is guaranteed; therefore, the shooting quality and efficiency of the camera are greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to stable connecting device technical field, more specifically, the utility model relates to a kind of stable connecting device for camera and lens. BACKGROUND

[0002] In the field of photography and video, the connection stability of camera and lens is crucial, which directly concerns the shooting quality and effect. The traditional camera and lens connection method mainly relies on bayonet for mechanical connection. Although this connection method meets the basic connection needs to some extent, it has gradually exposed many problems with the continuous development of photography technology, for example: the bayonet connection has certain limitations in precision, and the tolerance fit of the lens and camera body bayonet is not accurate enough, which can easily cause the lens to shake slightly after installation. This is particularly significant when shooting close-up photography or long focal length, even extremely slight displacement can cause the clarity of the picture to decrease, making the originally sharp shooting subject become blurred. In order to solve the problems of the prior art, we propose a stable connecting device for camera and lens. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a stable connecting device for camera and lens to solve the problem that the tolerance fit of the lens and camera body bayonet is not accurate enough, which can easily cause the lens to shake slightly after installation. This is particularly significant when shooting close-up photography or long focal length, even extremely slight displacement can cause the clarity of the picture to decrease, making the originally sharp shooting subject become blurred.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a stable connecting device for camera and lens, comprising a connecting frame, a lens fixing assembly is arranged on the inner side of the connecting frame, an upper connecting ring is fixedly installed on the outer surface of one side of the connecting frame, an inner hollow threaded column is fixedly installed on the outer surface of one side of the upper connecting ring, a mounting hole one is symmetrically formed on the outer surface of one side of the middle part of the connecting frame, a mounting hole two is formed on the outer surface of one side of the upper part of the connecting frame, and a mounting hole three is formed on the outer surface of one side of the lower part of the connecting frame.

[0005] The lens fixing assembly comprises a polarizer holder, a circular truncated cone ring is fixedly installed on the outer surface of one side of the polarizer holder, an inner threaded cylinder is fixedly installed on the inner side surface of the circular truncated cone ring, a lower connecting ring is arranged on one side of the polarizer holder, a compression ring is arranged on the inner side surface of the lower connecting ring, and a connecting thread is formed on the inner side surface of the lower connecting ring.

[0006] The polarizer frame is fixedly installed on one side of the outer surface of the mounting hole two and abuts against the connecting frame, and the lower connecting ring is fixedly installed on one side of the outer surface of the mounting hole three and abuts against the connecting frame.

[0007] The upper connecting ring is provided with a camera on one side through screw connection, the lower connecting ring is provided with a lens on one side through screw connection, and the inner sides of the upper connecting ring and the lower connecting ring are provided with the lens in cooperation with the compression ring.

[0008] The polarizer frame, the circular table ring and the internal thread cylinder are arranged between the upper connecting ring and the lower connecting ring.

[0009] The lens fixed in the polarizer frame and the lens fixed in the lower connecting ring are on the same horizontal shaft with the lens camera.

[0010] Compared with the prior art, the present application has the following beneficial effects:

[0011] The lens fixing assembly is provided, the upper connecting ring is fixedly connected with the lens through the internal thread column, the upper connecting ring and the compression ring are fixedly connected with the lens through screw connection, the lower connecting ring is fixedly connected with the camera through screw connection, the polarizer frame is fixedly connected with the lens through screw connection with the compression ring, the polarizer frame is fixedly connected with the connecting frame through the screw, the lens fixed in the polarizer frame and the lens fixed in the upper connecting ring are coaxially fixed with the lens and the camera, the above structure facilitates the accurate mounting connection between the lens and the camera, ensures the stability of the lens after mounting, and greatly improves the shooting quality and efficiency of the camera. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the present application;

[0013] Figure 2 It is a connecting structure schematic view of the polarizer frame of the present application;

[0014] Figure 3 It is an internal structure schematic view of the lower connecting ring of the present application;

[0015] Figure 4 It is a connecting frame structure schematic view of the present application.

[0016] [REFERENCE SIGNS]

[0017] 1, connecting frame; 2, lens fixing assembly; 3, upper connecting ring; 4, internal thread column; 5, mounting hole one; 6, mounting hole two; 7, mounting hole three; 21, polarizer frame; 22, circular table ring; 23, internal thread cylinder; 24, lower connecting ring; 25, compression ring; 26, connecting thread. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and advantages to be solved by the utility model more clear, the following will be described in detail in combination with the drawings and specific embodiments.

[0019] As shown in the accompanying Figure 1 to the accompanying Figure 3 The embodiment of the utility model provides a kind of stable connecting device for camera and lens, including connecting frame 1, the inner side of connecting frame 1 is provided with lens fixing assembly 2, the outer surface of one side of connecting frame 1 is fixedly installed with upper connecting ring 3, the outer surface of one side of upper connecting ring 3 is fixedly installed with inner hollow threaded column 4, the outer surface of one side of the middle part of connecting frame 1 is symmetrically provided with mounting hole one 5, the outer surface of one side of the upper part of connecting frame 1 is provided with mounting hole two 6, the outer surface of one side of the lower part of connecting frame 1 is provided with mounting hole three 7.

[0020] Among them, lens fixing assembly 2 includes polaroid frame 21, the outer surface of one side of polaroid frame 21 is fixedly installed with circular truncated cone ring 22, the inner side surface of circular truncated cone ring 22 is fixedly installed with inner thread cylinder 23, one side of polaroid frame 21 is provided with lower connecting ring 24, the inner side surface of lower connecting ring 24 is provided with compression ring 25, the inner side surface of lower connecting ring 24 is provided with connecting thread 26.

[0021] Among them, polaroid frame 21 is fixedly installed in the outer surface of one side of mounting hole two 6 and is attached to connecting frame 1, lower connecting ring 24 is fixedly installed in the outer surface of one side of mounting hole three 7 and is attached to connecting frame 1.

[0022] Among them, the side of upper connecting ring 3 is screw-connected with camera, the side of lower connecting ring 24 is screw-connected with lens, and the inner side of upper connecting ring 3 and lower connecting ring 24 is cooperatively installed with lens and compression ring 25.

[0023] Among them, polaroid frame 21, circular truncated cone ring 22 and inner thread cylinder 23 are arranged between upper connecting ring 3 and lower connecting ring 24.

[0024] Among them, the lens fixed in polaroid frame 21 and the lens fixed in lower connecting ring 24 are on the same horizontal axis with lens camera;

[0025] By setting connecting frame 1, lens fixing assembly 2, upper connecting ring 3 and inner hollow threaded column 4, the accurate installation and connection between lens and camera are facilitated, the stability after lens installation is guaranteed, so that the shooting quality and efficiency of camera are greatly improved.

[0026] The working process of the utility model is as follows:

[0027] The upper connecting ring 3 is fixed with the lens by screwing the inner hollow threaded column 4, the upper connecting ring 3 is fixed with the lens by screwing the compression ring 25, the lower connecting ring 24 is fixed with the camera by screwing, then the polaroid holder 21 is fixed with the lens by screwing the compression ring 25, the polaroid holder 21 is fixed on the connecting frame 1 by screwing, so that the lens fixed in the polaroid holder 21 and the lens fixed in the upper connecting ring 3 are coaxially fixed with the lens and the camera, the accurate installation and connection between the lens and the camera are facilitated, the stability after the lens is installed is guaranteed, and therefore the shooting quality and efficiency of the camera are greatly improved.

[0028] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0030] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A stabilizing connection device for a camera and a lens, comprising a connection frame (1), characterized in that, The inner side of the connecting frame (1) is provided with a lens fixing assembly (2), one side outer surface of the connecting frame (1) is fixedly installed with an upper connecting ring (3), one side outer surface of the upper connecting ring (3) is fixedly installed with an inner hollow threaded column (4), one side outer surface of the middle part of the connecting frame (1) is symmetrically provided with a mounting hole one (5), one side outer surface of the upper part of the connecting frame (1) is provided with a mounting hole two (6), and one side outer surface of the lower part of the connecting frame (1) is provided with a mounting hole three (7).

2. A stabilizing connection device for a camera and a lens according to claim 1, characterized in that, The lens fixing assembly (2) comprises a polarizer holder (21), one side outer surface of the polarizer holder (21) is fixedly installed with a circular truncated cone ring (22), the inner side surface of the circular truncated cone ring (22) is fixedly installed with an inner threaded cylinder (23), one side of the polarizer holder (21) is provided with a lower connecting ring (24), the inner side surface of the lower connecting ring (24) is provided with a compression ring (25), and the inner side surface of the lower connecting ring (24) is provided with a connecting thread (26).

3. A stabilizing connection device for a camera and a lens according to claim 2, characterized in that, The polarizer holder (21) is fixedly installed on one side of the mounting hole two (6) and adheres to the outer surface of the connecting frame (1), and the lower connecting ring (24) is fixedly installed on one side of the mounting hole three (7) and adheres to the outer surface of the connecting frame (1).

4. A stabilizing connection device for a camera and a lens according to claim 2, characterized in that, One side of the upper connecting ring (3) is threadedly connected with a camera, one side of the lower connecting ring (24) is threadedly connected with a lens, and the inner sides of the upper connecting ring (3) and the lower connecting ring (24) are cooperatively installed with lenses together with the compression ring (25).

5. A stabilizing connection device for a camera and a lens according to claim 2, characterized in that, The polarizer holder (21), the circular truncated cone ring (22) and the inner threaded cylinder (23) are arranged between the upper connecting ring (3) and the lower connecting ring (24).

6. A stabilizing connection device for a camera and a lens according to claim 4, characterized in that, The lenses fixed in the polarizer holder (21) and the lenses fixed in the lower connecting ring (24) are on the same horizontal axis with the lens camera.