Liquid leakage lens protection device

Abstract

The utility model provides a liquid leakage lens protection device, and relates to the technical field of lens protection, the liquid leakage lens protection device comprises a base and a lens seat, the surface of the base is fixedly connected with a protection shell, the surface of the protection shell is fixedly connected with a fixed frame, the surface of the protection shell is movably provided with a movable frame, the interior of a positioning groove is movably provided with an installation frame, and the installation frame is fixedly connected with the lens seat. The rear end of the mounting frame is fixedly connected with a sealing gasket, the surface of the mounting frame is fixedly connected with a fixing block and a clamping block to limit the blocking cover, the blocking cover is moved downwards to the bottom of the clamping block by pulling the movable frame downwards, and the blocking cover is pulled out outwards, and due to the fact that the blocking cover is movably mounted on the surface of the mounting base, the blocking cover can be prevented from falling off and being lost. The sliding block is pushed by the second spring to enable the limiting groove to be connected to one end of the limiting seat in a sleeving mode, the installation frame is installed and limited, the limiting groove can be separated from the surface of the limiting seat by pushing the push plate outwards, at the moment, the installation frame can be taken out from the interior of the positioning groove, and the lens can be conveniently installed and disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of lens protection, in particular to a liquid leakage lens protection device. Background Art

[0002] The lens is a key component of imaging devices such as cameras and video cameras, responsible for capturing light and focusing it on the image sensor to generate clear images or videos. As a precision optical element, the lens has extremely high requirements for the working environment. Any tiny liquid leakage may damage it, affecting the imaging quality and device performance.

[0003] In order to prevent the lens from being contaminated with dust or even worn after long-term exposure, a protection device is usually installed on the lens surface to protect the lens. Most of the existing protection devices are a round cover directly sleeved on the lens for protection. During use, the round cover can be simply removed. However, since the round cover is detachable, it is easy to lose during use. And when the lens is scratched or worn, the lens usually needs to be replaced. But in the prior art, the disassembly and replacement of the lens are rather cumbersome, and the sealing performance of the lens will be reduced after replacing the lens, resulting in easy entry of liquid into the lens interior and causing damage to it. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems that the existing protection device is easy to lose during use, the disassembly and replacement of the lens are rather cumbersome, and the sealing performance of the lens will be reduced after replacing the lens, and to propose a liquid leakage lens protection device.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a liquid leakage lens protection device, including a base and a lens holder. A protective shell is fixedly connected to the surface of the base, and the lens holder is fixedly installed inside the protective shell. A positioning groove is formed on the surface of the lens holder, and a lens is movably installed inside the positioning groove. The interior of the protective shell is a hollow structure. A fixing frame is fixedly connected to the surface of the protective shell, and a movable frame is movably installed on the surface of the protective shell. An installation frame is movably installed inside the positioning groove. A sealing gasket is fixedly connected to the rear end of the installation frame, and a fixing block is fixedly connected to the surface of the installation frame.

[0006] Preferably, both the fixing frame and the movable frame are U-shaped. A cavity is formed inside the fixing frame, and a clamping block is fixedly connected to the bottom of the fixing frame.

[0007] Preferably, a retaining cover is provided at the top of the movable frame. An installation seat is fixedly connected to the top of the movable frame, and the retaining cover is movably installed on the surface of the installation seat.

[0008] Preferably, both ends of the movable frame are fixedly connected with connecting rods, one end of the surface of the connecting rod is provided with a first spring, and the top of the connecting rod is movably installed inside the cavity.

[0009] Preferably, the shape of the installation frame fits the shape of the positioning groove. A through hole is formed inside the fixed block, a guide rod is fixedly installed inside the through hole, and a second spring is arranged on the surface of the guide rod.

[0010] Preferably, a limit seat is fixedly connected to the surface of the lens holder, and the limit seat is L-shaped.

[0011] Preferably, a slider is arranged inside the through hole. The slider is slidably installed on the surface of the guide rod. A limit groove is formed on one side of the bottom end of the slider, and a push plate is fixedly connected to the top of the slider.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0013] 1. In the present utility model, the cover is installed on the top of the movable frame, and the movable frame is connected and fixed to the fixed frame through the connecting rod. The clamping block limits the cover. By pulling the movable frame downward, the cover is moved downward to the bottom of the clamping block, and the cover is pulled outwards, so that the protection of the lens by the cover can be released. Since the cover is movably installed on the surface of the mounting seat, it can prevent the cover from falling and being lost.

[0014] 2. In the present utility model, by installing the installation frame inside the positioning groove, the lens is limited and fixed. The sealing gasket at the rear end of the installation frame can improve the sealing performance of the lens. At the same time, the installation frame can be removed to facilitate the replacement of the sealing gasket. The slider is pushed by the second spring so that the limit groove is sleeved on one end of the limit seat to install and limit the installation frame. By pushing the push plate outwards, the limit groove can be disengaged from the surface of the limit seat. At this time, the installation frame can be taken out from inside the positioning groove, which is convenient for the installation and disassembly of the lens. Brief Description of the Drawings

[0015] Figure 1 is a schematic three-dimensional structure diagram of the main body of a liquid leakage lens protection device proposed by the present utility model;

[0016] Figure 2 is a schematic internal structure diagram of the protective shell of a liquid leakage lens protection device proposed by the present utility model;

[0017] Figure 3 is a schematic connection structure diagram of the installation frame of a liquid leakage lens protection device proposed by the present utility model;

[0018] Figure 4 is a schematic partial cross-sectional structure diagram of the fixed frame of a liquid leakage lens protection device proposed by the present utility model;

[0019] Figure 5 This is a schematic diagram of the lens plane structure of a liquid leakage lens protection device proposed by the present utility model;

[0020] Figure 6 This is an enlarged schematic diagram of the structure at position A of a liquid leakage lens protection device proposed by the present utility model.

[0021] Legend: 1. Base; 2. Lens holder; 201. Positioning groove; 21. Lens; 22. Limit seat; 3. Protective shell; 4. Fixed frame; 401. Cavity; 41. Clamping block; 5. Movable frame; 51. Cover; 52. Mounting seat; 53. Connecting rod; 54. First spring; 6. Mounting frame; 61. Sealing gasket; 62. Fixed block; 621. Through hole; 63. Guide rod; 64. Second spring; 7. Slide block; 701. Limit groove; 71. Pushing plate. Specific embodiments

[0022] In order to more clearly understand the above objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0023] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0024] Embodiment 1

[0025] As Figures 1-5 shown, the present utility model provides a technical solution: a liquid leakage lens protection device, including a base 1 and a lens holder 2. A protective shell 3 is fixedly connected to the surface of the base 1. The lens holder 2 is fixedly installed inside the protective shell 3. A positioning groove 201 is formed on the surface of the lens holder 2. A lens 21 is movably installed inside the positioning groove 201. The inside of the protective shell 3 is a hollow structure. A fixed frame 4 is fixedly connected to the surface of the protective shell 3. A movable frame 5 is movably installed on the surface of the protective shell 3. A mounting frame 6 is movably installed inside the positioning groove 201. A sealing gasket 61 is fixedly connected to the rear end of the mounting frame 6. A fixed block 62 is fixedly connected to the surface of the mounting frame 6. Both the fixed frame 4 and the movable frame 5 are U-shaped. A cavity 401 is formed inside the fixed frame 4. A clamping block 41 is fixedly connected to the bottom of the fixed frame 4. A cover 51 is provided at the top of the movable frame 5. A mounting seat 52 is fixedly connected to the top of the movable frame 5. The cover 51 is movably installed on the surface of the mounting seat 52. Connecting rods 53 are fixedly connected to the tops of both ends of the movable frame 5. A first spring 54 is provided at one end of the surface of the connecting rod 53. The top of the connecting rod 53 is movably installed inside the cavity 401.

[0026] In this embodiment, the shielding cover 51 is movably installed on the surface of the mounting base 52 so that its angle can be rotated and adjusted. The shielding cover 51 is limited by the clamping block 41 and is located inside the movable frame 5 and the fixed frame 4 to cover and protect the lens holder 2. When the shielding cover 51 needs to be removed, by pulling down the movable frame 5, the connecting rod 53 moves downward and squeezes the first spring 54. At the same time, the position of the shielding cover 51 is adjusted so that it is located at the bottom of the clamping block 41. Then, the shielding cover is flipped outwards, and it can be taken out from the inside of the movable frame 5, which is convenient to use. At the same time, the shielding cover 51 is installed on the surface of the mounting base 52, which can prevent the shielding cover 51 from falling and being lost.

[0027] Embodiment 2

[0028] As Figures 1-5 shown, both top ends of the movable frame 5 are fixedly connected with connecting rods 53. One end of the surface of the connecting rod 53 is provided with a first spring 54. The top of the connecting rod 53 is movably installed inside the cavity 401. The shape of the mounting frame 6 fits the shape of the positioning groove 201. A through hole 621 is opened inside the fixing block 62. A guide rod 63 is fixedly installed inside the through hole 621. A second spring 64 is provided on the surface of the guide rod 63. A limiting seat 22 is fixedly connected to the surface of the lens holder 2. The limiting seat 22 is L-shaped. A slider 7 is provided inside the through hole 621. The slider 7 is slidably installed on the surface of the guide rod 63. A limiting groove 701 is opened on one side of the bottom end of the slider 7. A push plate 71 is fixedly connected to the top of the slider 7.

[0029] In this embodiment, the lens 21 is placed inside the positioning groove 201 and is fixed by being limited by the mounting frame 6. When the lens 21 needs to be disassembled and replaced, the push plate 71 is pushed outwards to make the slider 7 slide on the surface of the guide rod 63 and squeeze the second spring 64. At this time, the limiting groove 701 on one side of the slider 7 moves out from the surface of the limiting seat 22. Then, the mounting frame 6 is rotated to move the fixing block 62 to the top of the limiting seat 22. The limiting seat 22 releases the limitation on the fixing block 62. After the mounting frame 6 is pulled outwards, the lens 21 can be taken out. On the contrary, a new lens 21 is placed inside the positioning groove 201, and the slider 7 is repeatedly pushed to make it connect and fix with the limiting seat 22, so that the lens 21 can be conveniently disassembled and installed. The sealing gasket 61 at the rear end of the mounting frame 6 can improve the sealing performance of the lens 21. At the same time, the mounting frame 6 can be taken off to facilitate the replacement of the sealing gasket 61.

[0030] Working principle of this embodiment: The baffle 51 is limited by the clamping block 41 and is located inside the movable frame 5 and the fixed frame 4 to cover and protect the lens holder 2. When the baffle 51 needs to be removed, pull the movable frame 5 downward. At this time, adjust the baffle 51 to the bottom of the clamping block 41 and flip the baffle outward to remove it from the inside of the movable frame 5. When the lens 21 needs to be disassembled and replaced, push the push plate 71 outward to make the slider 7 slide on the surface of the guide rod 63, so that the limiting groove 701 on one side of the slider 7 moves out of the surface of the limiting seat 22. Then rotate the mounting frame 6 to move the fixing block 62 to the top of the limiting seat 22. After pulling the mounting frame 6 outwards, the lens 21 can be taken out, which facilitates the disassembly and installation of the lens 21.

[0031] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as the technical solution content of the present invention is not departed from, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A liquid leakage lens protection device, comprising a base (1) and a lens holder (2), characterized in that: A protective shell (3) is fixedly connected to the surface of the base (1). The lens holder (2) is fixedly installed inside the protective shell (3). A positioning groove (201) is formed on the surface of the lens holder (2). A lens (21) is movably installed inside the positioning groove (201). The inside of the protective shell (3) is a hollow structure. A fixing frame (4) is fixedly connected to the surface of the protective shell (3). A movable frame (5) is movably installed on the surface of the protective shell (3). An installation frame (6) is movably installed inside the positioning groove (201). A sealing gasket (61) is fixedly connected to the rear end of the installation frame (6). A fixing block (62) is fixedly connected to the surface of the installation frame (6).

2. The liquid leakage lens protection device according to claim 1, characterized in that: Both the fixing frame (4) and the movable frame (5) are U-shaped. A cavity (401) is formed inside the fixing frame (4). A clamping block (41) is fixedly connected to the bottom of the fixing frame (4).

3. The liquid leakage lens protection device according to claim 1, characterized in that: A cover (51) is provided at the top of the movable frame (5). A mounting seat (52) is fixedly connected to the top of the movable frame (5). The cover (51) is movably installed on the surface of the mounting seat (52).

4. The liquid leakage lens protection device according to claim 1, characterized in that: Connecting rods (53) are fixedly connected to the tops of both ends of the movable frame (5). A first spring (54) is provided at one end of the surface of the connecting rod (53). The top of the connecting rod (53) is movably installed inside the cavity (401).

5. The liquid leakage lens protection device according to claim 1, wherein: The shape of the installation frame (6) fits the shape of the positioning groove (201). A through hole (621) is formed inside the fixing block (62). A guide rod (63) is fixedly installed inside the through hole (621). A second spring (64) is provided on the surface of the guide rod (63).

6. The liquid leakage lens protection device according to claim 1, characterized in that: A limit seat (22) is fixedly connected to the surface of the lens holder (2). The limit seat (22) is L-shaped.

7. The liquid leakage lens protection device according to claim 5, characterized in that: A slider (7) is provided inside the through hole (621). The slider (7) is slidably installed on the surface of the guide rod (63). A limit groove (701) is formed on one side of the bottom end of the slider (7). A push plate (71) is fixedly connected to the top of the slider (7).

Images