Optical lens fixing structure

Abstract

The utility model relates to the technical field of optical lenses, and discloses an optical lens fixing structure which comprises a first fixing plate and a camera body, the top of the first fixing plate is fixedly connected with a quarter bolt, the quarter bolt is in threaded connection with the interior of the camera body, one side of the first fixing plate is fixedly connected with a supporting rod, and the supporting rod is in threaded connection with the interior of the camera body. A fixing assembly is arranged at the top of the supporting rod; and the fixing assembly comprises a second fixing plate, the bottom of the second fixing plate is slidably connected into the supporting rod, and a worm wheel is rotationally connected into the second fixing plate. According to the utility model, the second fixing plate sleeves the outer wall of the lens, and the worm gear drives the cam to rotate through the rotating shaft, so that the rotating shaft slides and is limited in the first limiting block through the second limiting block at one end of the connecting rod, and then the lens is fixed through the cam, thereby achieving the effect of adapting to and fixing lenses with different sizes, and solving the problems of long size and poor stability of long-focus lenses. Therefore, the convenience of the lens fixing structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens technical field especially relates to an optical lens fixing structure. BACKGROUND

[0002] With the development of optical technology and the continuous expansion of application, optical lens as an important component of imaging equipment is widely used in monitoring camera, industrial detection, medical imaging and photography and so on. In order to ensure that the optical lens maintains stable optical axis precision and imaging effect in the use process, avoids the imaging blur or equipment damage caused by vibration or deviation, usually needs to be equipped with special lens fixing structure. Especially for large size, heavy long focus lens, the design of fixing structure is particularly critical, which is directly related to the service life and working performance of lens and whole machine equipment. Therefore, developing a kind of optical lens fixing structure with reasonable structure, convenient operation and strong adaptability becomes an important direction of industry technology improvement.

[0003] The existing optical lens fixing structure is mostly realized by mechanical methods such as threaded connection, buckle clamping or pressing plate pressing to realize the fixing and support of lens. Among them, the threaded connection method mainly relies on threaded rotation to realize the connection of lens and equipment, has the advantages of convenient assembly and disassembly, firm connection, but for large size or long focus lens, the threaded strength and connection stability are limited; The buckle clamping method usually realizes quick installation and disassembly by setting the cooperation of the clamping groove and the clamping block, but is easy to wear or loosen in the long-term use process, which affects the fixing effect; The pressing plate pressing method drives the pressing plate to press the lens on the support seat by bolt or handle, which has simple structure and wide application range, but has poor adjustment flexibility and is difficult to adapt to the installation requirements of different specifications of lens.

[0004] However, the lens fixing structure in the prior art generally has the problems of single design and insufficient adaptability, especially when facing long focus lens with large size and heavy weight, the traditional fixing method often cannot provide effective support and protection, which is easy to cause uneven stress due to the too long lens body, thereby generating the risk of lens drooping, optical axis deviation or even fracture at the connection with the equipment, which seriously affects the imaging quality and the safety of the equipment. Therefore, how to design a lens fixing structure that can adapt to different sizes of lens, especially long focus lens, and has good fixing effect and convenient operation, has become a technical problem to be solved. INVENTION CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of optical lens fixing structure, aims at improving the problem that long focus lens size is long, without support and easy to fracture with equipment.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: an optical lens fixing structure, including fixed plate no. 1 and camera body, the top fixed connection of fixed plate no. 1 has quarter screw bolt, the quarter screw bolt is connected in the camera body inside threadedly, the fixed plate no. 1 one side fixed connection has support rod, the top of support rod is provided with fixed assembly;

[0007] The fixed assembly includes fixed plate no. 2, the fixed plate no. 2 bottom sliding connection is in the support rod inside, the fixed plate no. 2 inside rotation is connected with worm wheel, the fixed plate no. 2 top is provided with drive assembly, the worm wheel inside rotation is connected with the shaft, the one end of the shaft is fixedly connected with cam, the outer wall of cam is fixedly connected with connecting rod, and the one end of connecting rod is provided with limit component.

[0008] As a further description of the above technical scheme:

[0009] The drive ship includes motor, the outer wall of motor is fixedly connected on the outer wall of fixed plate no. 2, the output end of motor is fixedly connected with worm, and the worm is engaged with worm wheel.

[0010] As a further description of the above technical scheme:

[0011] The limit component includes limit block no. 1, the one side of limit block no. 1 is fixedly connected on one side of fixed plate no. 2, the one end of connecting rod is fixedly connected with limit block no. 2, and the limit block no. 2 sliding connection is in the limit block no. 1 inside.

[0012] As a further description of the above technical scheme:

[0013] The bottom of fixed plate no. 2 is fixedly connected with sliding block no. 1, and the sliding block no. 1 sliding connection is in the support rod inside.

[0014] As a further description of the above technical scheme:

[0015] The limit slot is formed in the sliding block no. 1 inside, and the sliding block no. 2 is slidingly connected in the sliding block no. 1 inside.

[0016] As a further description of the above technical scheme:

[0017] The screw rod is rotationally connected in the sliding block no. 2 inside, and the outer wall of screw rod is threadedly connected in the sliding block no. 1 inside.

[0018] As a further description of the above technical scheme:

[0019] The outer wall of sliding block no. 2 is fixedly connected with clamping block, and the clamping block sliding connection is in the limit slot inside.

[0020] As a further description of the above technical scheme:

[0021] The sliding block is internally connected with a connecting plate arranged symmetrically, and the connecting plate is fixedly connected with a clamping block on one side.

[0022] The utility model has the advantages of the following:

[0023] 1、The utility model discloses a fixed plate two is sleeved on the outer wall of the lens, the worm drives the worm gear to rotate, and the worm gear drives the cam to rotate through the rotating shaft, makes the rotating shaft slide limit in the limiting block no.

[0024] 2、The utility model discloses a fixed plate two is sleeved on the outer wall of the lens, the worm drives the worm gear to rotate, and the worm gear drives the cam to rotate through the rotating shaft, makes the rotating shaft slide limit in the limiting block no. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A perspective view of an optical lens fixing structure is provided for the utility model;

[0026] Figure 2 A cam structure schematic view of an optical lens fixing structure is provided for the utility model;

[0027] Figure 3 A support rod internal structure schematic view of an optical lens fixing structure is provided for the utility model.

[0028] LEGEND:

[0029] 1, fixed plate one;2, camera body;3, support rod;4, fixed plate two;5, worm wheel;6, motor;7, worm;8, limiting block one;9, limiting block two;10, connecting rod;11, cam;12, rotating shaft;13, sliding block one;14, limiting groove;15, connecting plate;16, clamping block;17, sliding block two;18, clamping block;19, screw;20, quarter bolt. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] With reference to Figure 1 and Figure 2 An embodiment provided by the utility model: an optical lens fixing structure, including fixed plate 1 and camera body 2, the top of fixed plate 1 is fixedly connected with quarter bolt 20, quarter bolt 20 is screw connected in camera body 2, the setting of quarter bolt 20 can realize the reliable connection between fixed plate 1 and camera body 2, guarantee the stability of camera body 2 in the use process, avoid the influence of imaging effect due to shaking. One side of fixed plate 1 is fixedly connected with support rod 3, the setting of support rod 3 is used to provide the installation base of subsequent fixing assembly, and the structural strength of the whole device is enhanced. The top of support rod 3 is provided with fixing assembly, the setting of fixing assembly can effectively stabilize and fix optical lens, prevent optical lens from being displaced or falling off due to uneven stress;

[0032] The fixing assembly comprises a fixing plate 4, the bottom of the fixing plate 4 is slidingly connected inside the supporting rod 3, the fixing plate 4 can be slidingly adjusted along the supporting rod 3 to adapt to optical lenses of different lengths and sizes, thereby increasing the application range of the device. The fixing plate 4 is rotatably connected with a worm gear 5 inside the fixing plate 4, the worm gear 5 can stably rotate inside the fixing plate 4, which is convenient for realizing subsequent transmission function and enhancing control precision. The top of the fixing plate 4 is provided with a driving assembly, the driving assembly provides power source for the fixing structure, realizes automatic adjustment and fixing function, improves operation efficiency and use convenience, the worm gear 5 is rotatably connected with a rotating shaft 12 inside the worm gear 5, the rotating shaft 12 can transmit the rotary motion of the worm gear 5 to subsequent structure, thereby ensuring effective force transmission. One end of the rotating shaft 12 is fixedly connected with a cam 11, the cam 11 can rotate with the rotation of the rotating shaft 12, and the driving of the connecting rod 10 is realized through profile change, thereby further promoting the action of the limiting assembly. The outer wall of the cam 11 is fixedly connected with the connecting rod 10, and the connecting rod 10 is arranged to transmit the driving force of the cam 11 to the limiting assembly, thereby ensuring the stable positioning of the lens. One end of the connecting rod 10 is provided with a limiting assembly, the limiting assembly can effectively limit the sliding range of the connecting rod 10, thereby preventing excessive displacement and affecting the fixing effect, the driving assembly comprises a motor 6, the outer wall of the motor 6 is fixedly connected to the outer wall of the fixing plate 4, the motor 6 provides rotary power for the entire fixing mechanism, drives the subsequent worm gear 7 to operate, thereby ensuring the continuity and stability of the structure action. The output end of the motor 6 is fixedly connected with a worm gear 7, the worm gear 7 is engaged with the worm gear 5, the worm gear 7 can drive the worm gear 5 to rotate synchronously when the worm gear 7 rotates, thereby realizing stable power transmission and having good self-locking performance, preventing the structure from loosening due to external force. The limiting assembly comprises a limiting block 8, one side of the limiting block 8 is fixedly connected to one side of the fixing plate 4, the limiting block 8 is arranged to provide a sliding channel for a limiting block 9, thereby ensuring the guidance and stability of the connecting rod 10 during movement. One end of the connecting rod 10 is fixedly connected with the limiting block 9, the limiting block 9 is slidingly connected inside the limiting block 8, the limiting block 9 can effectively limit the movement distance of the connecting rod 10 when sliding inside the limiting block 8, thereby ensuring the movement range of the connecting rod 10 is controlled, thereby ensuring the stability and reliability of the lens fixing effect.

[0033] Reference Figure 3The bottom of the second fixed plate 4 is fixedly connected with a sliding block 13, which is arranged to realize the smooth sliding of the second fixed plate 4 in the support rod 3, facilitate subsequent position adjustment, and improve the flexibility and adaptability of the structure. The sliding block 13 is slidingly connected in the support rod 3, and the sliding connection mode can ensure smooth movement of the sliding block 13 in the support rod 3, avoid affecting the adjustment performance of the device due to jamming, and ensure smooth fixing. A limiting groove 14 is formed in the sliding block 13, which is arranged to provide a sliding track for the subsequent sliding block 17 and clamping block 18, ensure the stability and accuracy of the sliding block 17 during sliding, and avoid deviation or shaking. The sliding block 17 is slidingly connected in the sliding block 13, can freely slide in the sliding block 13, facilitates the adjustment and control of the clamping block 18, thereby meeting different fixing requirements, and enhances the adjustment range and applicability of the structure. A screw rod 19 is rotatably connected in the sliding block 17, which is arranged to provide a power transmission channel for the sliding of the sliding block 17, can realize accurate adjustment of the sliding block 17 through screw transmission, and improve the positioning accuracy and reliability. The outer wall of the screw rod 19 is threadedly connected in the sliding block 13, the threaded connection structure design makes the sliding block 17 linearly move when the screw rod 19 rotates, ensures no sliding loss during transmission, enhances the stability and firmness of operation, and the outer wall of the sliding block 17 is fixedly connected with the clamping block 18. The clamping block 18 is arranged to realize cooperative sliding with the limiting groove 14, can effectively control the movement range of the sliding block 17, avoid deviation or loosening of the sliding block 17, and ensure the reliability of the overall structure. The clamping block 18 is slidingly connected in the limiting groove 14, the sliding connection mode further ensures smooth movement of the clamping block 18 in the limiting groove 14, improves the durability and service life of the structure, and ensures the effective play of the limiting function. The sliding block 13 is slidingly connected with symmetrical connecting plates 15, the symmetrical design of the connecting plates 15 can produce balanced clamping force during fixing, avoid structural deformation or damage due to uneven stress, and improve the stability and carrying capacity of the device. The clamping block 16 is fixedly connected to one side of the connecting plate 15, which is arranged to directly fit with the inner wall of the support rod 3, realize effective clamping of the support rod 3, prevent loosening or sliding of the device during use, and ensure the stability and safety of the optical lens during fixing. The clamping block 16 is fitted with the inner wall of the support rod 3, the fitting structure design can increase the contact area and improve the friction force, further enhance the fixing effect, and ensure that the optical lens remains stable during long-term use.

[0034] Working principle: when using the optical lens fixing structure, first, the camera body 2 is installed on the fixed plate one 1 through the quarter bolt 20, then the bottom of the fixed plate two 4 is slid into the support rod 3 through the sliding block one 13, then the fixed plate two 4 is sleeved on the outer wall of the lens, then the output end of the motor 6 drives the worm 7 to rotate, the worm 7 drives the worm wheel 5 to rotate, at the same time, the worm wheel 5 drives the cam 11 to rotate through the rotating shaft 12, the rotating shaft 12 is limited and positioned in the limiting block one 8 through the limiting block two 9 at one end of the connecting rod 10, then the lens is fixed through the cam 11, the outer wall of the cam 11 is provided with flexible rubber to prevent the lens from being worn, and the effect of adapting to different sizes of lenses and fixing is achieved.

[0035] When it is needed to fix the fixed plate two 4 on the support rod 3, the screw rod 19 is only needed to be rotated, the screw rod 19 drives the clamping block 18 to extend into the sliding block one 13 through the sliding block two 17, then the outer wall of the clamping block 18 is attached to one side of the connecting plate 15, the clamping block 18 extends into the sliding block one 13 at the same time, the connecting plate 15 is slid in the sliding block one 13, then the connecting plate 15 is attached to the inner wall of the support rod 3 through one side of the clamping block 16, then the sliding block one 13 is fixed by being attached to the inner wall of the support rod 3 through the clamping block 16, and the effect of conveniently adjusting the fixed position is achieved.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model should be contained in the protection scope of the utility model.

Claims

1. An optical lens fixing structure comprising a fixing plate one (1) and a camera body (2), characterized in that: The top of the fixed plate one (1) is fixedly connected with a quarter bolt (20), the quarter bolt (20) is threadedly connected in the camera body (2), one side of the fixed plate one (1) is fixedly connected with a support rod (3), and the top of the support rod (3) is provided with a fixed assembly; The fixed assembly comprises a fixed plate two (4), the bottom of the fixed plate two (4) is slidably connected in the support rod (3), the inside of the fixed plate two (4) is rotatably connected with a worm gear (5), the top of the fixed plate two (4) is provided with a driving assembly, the inside of the worm gear (5) is rotatably connected with a rotating shaft (12), one end of the rotating shaft (12) is fixedly connected with a cam (11), the outer wall of the cam (11) is fixedly connected with a connecting rod (10), and one end of the connecting rod (10) is provided with a limiting assembly.

2. The optical lens fixing structure according to claim 1, characterized in that: The driving assembly comprises a motor (6), the outer wall of the motor (6) is fixedly connected to the outer wall of the fixed plate two (4), the output end of the motor (6) is fixedly connected with a worm (7), and the worm (7) is engaged with the worm gear (5).

3. The optical lens fixing structure according to claim 1, characterized in that: The limiting assembly comprises a limiting block one (8), one side of the limiting block one (8) is fixedly connected to one side of the fixed plate two (4), one end of the connecting rod (10) is fixedly connected with a limiting block two (9), and the limiting block two (9) is slidably connected in the limiting block one (8).

4. The optical lens fixing structure according to claim 1, characterized in that: The bottom of the fixed plate two (4) is fixedly connected with a sliding block one (13), and the sliding block one (13) is slidably connected in the support rod (3).

5. The optical lens fixing structure according to claim 4, characterized in that: The inside of the sliding block one (13) is provided with a limiting groove (14), and the inside of the sliding block one (13) is slidably connected with a sliding block two (17).

6. The optical lens fixing structure according to claim 5, wherein: The inside of the sliding block two (17) is rotatably connected with a screw rod (19), and the outer wall of the screw rod (19) is threadedly connected in the sliding block one (13).

7. The optical lens fixing structure according to claim 5, wherein: The outer wall of the sliding block two (17) is fixedly connected with a clamping block (18), and the clamping block (18) is slidably connected in the limiting groove (14).

8. The optical lens fixing structure according to claim 4, characterized in that: The inside of the sliding block one (13) is slidably connected with symmetrically arranged connecting plates (15), one side of the connecting plate (15) is fixedly connected with a clamping block (16), and the clamping block (16) is attached to the inner wall of the support rod (3).

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