CN219592521U

CN219592521U - Dust-proof shield for camera

Info

Publication number: CN219592521U
Application number: CN202321091809.0U
Authority: CN
Inventors: 黄晓添; 董明涛; 徐正康; 杜延臣; 王义康; 钱伯荣; 黄仲庆; 黄晓燕
Original assignee: Shanghai Fuze Industrial Automatic Set Co ltd
Current assignee: Shanghai Fuze Industrial Automatic Set Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-08-25
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a dustproof shield for a camera, which belongs to the technical field of dustproof shields and comprises a camera lens, wherein an ash prevention cover is arranged at one end of the camera lens, the inner wall of the ash prevention cover is in sliding fit with the outer wall of the camera lens, a connecting block is fixedly connected to the outer wall of the bottom of the camera lens, and a connecting belt is fixedly connected to one side of the connecting block. When the anti-dust device is used, the moving rod is pulled to slide in the inner wall of the moving opening, so that the limiting block and the limiting groove are separated, the anti-dust cover can be pulled out through the inner wall of the clamping groove at the moment, the anti-dust cover can be prevented from falling under the connection of the connecting belt, after the use is finished, the open end of the anti-dust cover is sleeved to the camera lens and inserted into the clamping groove, under the action of the sealing gasket, the anti-dust cover and the camera lens can be sealed, and then the limiting block is contacted with the inner wall of the limiting groove, so that the anti-dust cover can be fixed, and therefore, a good anti-dust effect can be realized.

Description

Dust-proof shield for camera

Technical Field

The utility model belongs to the technical field of dustproof shields, and particularly relates to a dustproof shield for a camera.

Background

The basic principle of the operation of the camera is the same: the optical image signal is converted into an electrical signal for storage or transmission of rights. When an object is shot, light reflected on the object is collected by a camera lens, so that the light is focused on a light receiving surface of a camera device, the camera device converts the light into electric energy, so that a video signal is obtained, the photoelectric signal is weak, the video signal is amplified by a pre-discharge circuit and is processed and regulated by various circuits, the finally obtained standard signal can be sent to recording media such as a video recorder or the like for recording, or can be transmitted by a transmission system or sent to a monitor for displaying, and the function of the dustproof shield is to protect the camera, prevent the camera from being damaged by falling ash, and prolong the service lives of the camera lens and the camera.

At present, chinese patent with bulletin number CN210958459U discloses a dustproof guard shield for camera, including the bucket-shaped cover body of one side open-ended, cover body one side outer wall is equipped with the connecting pipe with the inner chamber intercommunication, and the cover body department is kept away from to connecting pipe outer wall both sides all opens there is the opening, the connecting pipe outer wall is close to the opening part and is equipped with the screw thread, and the screw thread spiro union has the helicoid, cover body one side inner wall is close to connecting pipe department and has the bellows through the screw fixation, and bellows one end bonds there is the tube head, the tube head inner wall is opened there is the draw-in groove, and draw-in groove inner wall joint has the transparency, the screw hole has all been opened to the tube head both sides, and the screw hole inner wall spiro union has adjusting bolt, the one end swing link that adjusting bolt is located the tube head has curved limiting plate. The utility model ensures that the camera lens is integrally arranged in the dust cover, can effectively avoid damage to the lens caused by dust entering of the lens, prolongs the service life of the lens, and has strong practicability when protecting the camera lens and being capable of adapting to the lens to carry out daily shooting work.

However, when the device is used, the cover door is hinged with the cover body, the hinged position of the cover door and the cover body is difficult to seal, and a large amount of dust still enters the cover body through the hinged position, so that the dust-proof effect is poor.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a dust-proof shield for a camera. The advantages are that: good dustproof effect can be realized.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a dustproof guard shield for camera, includes the camera lens, the one end of camera lens is provided with the dust cover, form sliding fit between the inner wall of dust cover and the outer wall of camera lens, the bottom outer wall fixedly connected with connecting block of camera lens, one side fixedly connected with connecting band of connecting block, fixedly connected with between the outer wall of one end of connecting band and dust cover.

The technical scheme is as follows: when the anti-dust device is used, the movable rod is pulled, the movable rod slides in the inner wall of the movable opening to enable the limiting block and the limiting groove to be separated, the anti-dust cover can be pulled out through the inner wall of the limiting groove at the moment, the anti-dust cover can be prevented from falling under the connection of the connecting belt, after the use is finished, the open end of the anti-dust cover is sleeved to the camera lens and inserted into the limiting groove, under the action of the sealing gasket, the anti-dust cover and the camera lens can be sealed, and then the limiting block can be in contact with the inner wall of the limiting groove to enable the anti-dust cover to be fixed, so that a good anti-dust effect can be achieved.

The utility model is further arranged that the outer wall of the camera lens is fixedly connected with a connecting ring surrounding the camera lens, one side of the connecting ring is provided with a clamping groove surrounding the camera lens, and the inner wall of the clamping groove is in sliding fit with one end of the dust-proof cover.

The technical scheme is as follows: the arrangement of the clamping groove can increase the path distance of dust entering the dust-proof cover from the outside of the dust-proof cover, and can improve the dust-proof effect.

The utility model is further arranged that the inner wall of one surface of the clamping groove, which is close to the camera lens, is fixedly connected with a sealing gasket which surrounds the camera lens, and the sealing gasket is made of rubber.

The technical scheme is as follows: the sealing gasket can reduce the gap between the inner wall of the clamping groove and the ash-proof cover, and can improve the ash-proof effect.

The utility model further provides that the sealing gasket is of a double-layer cavity structure.

The technical scheme is as follows: the design of the double-layer cavity structure can increase the deformation capability of the sealing gasket and is convenient to insert into the clamping groove.

The utility model is further characterized in that the outer wall of the top of the dust-proof cover is provided with a limit groove, one inner wall of the clamping groove far away from the camera lens is provided with a movable groove, and the inner wall of the movable groove and the inner wall of the limit groove are connected with the same limit block in a sliding manner.

The technical scheme is as follows: the setting of stopper can be with the inner wall contact and the separation of spacing groove to make the ash prevention cover fixed.

The utility model is further arranged that one side of the limiting block, which is close to the ash prevention cover, is obliquely arranged.

The technical scheme is as follows: the ash-proof cover is obliquely arranged and can be directly inserted into the clamping groove.

The utility model is further provided that a plurality of uniformly distributed movable springs are fixedly connected between the limiting block and the opposite surface of the movable groove.

The technical scheme is as follows: the movable spring can apply force to the limiting block, so that the limiting block can be stably placed in the limiting groove.

The utility model is further arranged that the outer wall of the top of the connecting ring is provided with a moving opening extending into the moving groove, and the top of the limiting block is fixedly connected with a moving rod which forms sliding fit with the inner wall of the moving opening.

The technical scheme is as follows: the setting of movable rod can be convenient for the staff to the stopper application of force, can be convenient for the operation of staff.

The beneficial effects of the utility model are as follows:

1. this dustproof guard shield for camera, during the use, the pulling carriage release lever, the carriage release lever slides in the inner wall of moving the mouth and can make taking place the separation between stopper and the spacing groove, can take out the ash prevention cover through the inner wall of draw-in groove this moment, can avoid ash prevention cover to drop under the connection of connecting band, after the use, overlap the uncovered pot head of ash prevention cover to camera lens department and insert to the draw-in groove in, under sealed effect of filling up, can make between ash prevention cover and the camera lens sealed, then make stopper and the inner wall contact of spacing groove can make ash prevention cover fixed, consequently, can realize good dirt-proof effect.

2. This dustproof guard shield for camera can increase the path distance that the dust gets into in the dust guard through the dust guard outside the dust guard through the draw-in groove, can improve its dust guard effect.

3. This dustproof guard shield for camera can be to stopper application of force through the removal spring, can make the stopper place stably in the spacing inslot.

Drawings

Fig. 1 is a schematic perspective view of a dust-proof shield for a camera according to the present utility model;

FIG. 2 is a schematic view of a dust shield for a camera according to the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a camera lens; 2. an ash prevention cover; 3. a connecting block; 4. a connecting belt; 5. a connecting ring; 6. a clamping groove; 7. a sealing gasket; 8. a limiting block; 9. a limit groove; 10. a moving groove; 11. a moving spring; 12. a moving rod; 13. and (5) moving the port.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-3, a dust guard shield for camera, including camera lens 1, the one end of camera lens 1 is provided with prevents grey cover 2, forms sliding fit between the inner wall of preventing grey cover 2 and the outer wall of camera lens 1, the bottom outer wall fixedly connected with connecting block 3 of camera lens 1, one side fixedly connected with connecting band 4 of connecting block 3, fixed connection between the one end of connecting band 4 and the outer wall of preventing grey cover 2.

It should be noted that, in this embodiment, the outer wall of the camera lens 1 is fixedly connected with a connection ring 5 surrounding the camera lens 1, one side of the connection ring 5 is provided with a clamping groove 6 surrounding the camera lens 1, a sliding fit is formed between the inner wall of the clamping groove 6 and one end of the dust-proof cover 2, and the path distance of dust entering the dust-proof cover 2 from the outside of the dust-proof cover 2 can be increased through the clamping groove 6, so that the dust-proof effect can be improved.

Further, in this embodiment, the inner wall of the side of the clamping groove 6, which is close to the camera lens 1, is fixedly connected with a sealing pad 7 surrounding the camera lens 1, and the sealing pad 7 is made of rubber, so that the gap between the inner wall of the clamping groove 6 and the ash-preventing cover 2 can be reduced through the sealing pad 7, and the ash-preventing effect can be improved.

The sealing gasket 7 is of a double-layer cavity structure, and the deformation capacity of the sealing gasket 7 can be increased through the sealing gasket 7 of the double-layer cavity structure, so that the sealing gasket can be conveniently inserted into the clamping groove 6.

In one embodiment, the top outer wall of the ash prevention cover 2 is provided with a limit groove 9, one inner wall of the clamping groove 6, which is far away from the camera lens 1, is provided with a movable groove 10, the same limit block 8 is slidably connected between the inner wall of the movable groove 10 and the inner wall of the limit groove 9, and the same limit block 8 can be contacted with and separated from the inner wall of the limit groove 9, so that the ash prevention cover 2 is fixed.

In this embodiment, the side of the stopper 8 near the ash preventing cover 2 is inclined, and the ash preventing cover 2 can be directly inserted into the clamping groove 6 through the inclined stopper 8.

Further, in this embodiment, a plurality of moving springs 11 which are uniformly distributed are fixedly connected between the opposite sides of the limiting block 8 and the moving groove 10, and the limiting block 8 can be forced by the moving springs 11, so that the limiting block 8 can be stably placed in the limiting groove 9.

The top outer wall of go-between 5 has seted up and has extended to the removal mouth 13 in the removal groove 10, and the top fixedly connected with of stopper 8 forms sliding fit's movable rod 12 with the inner wall of removal mouth 13, can be convenient for the staff to the stopper 8 application of force through movable rod 12, can be convenient for the staff's operation.

Working principle: when the anti-dust device is used, the moving rod 12 is pulled, the moving rod 12 slides in the inner wall of the moving opening 13 to enable the limiting block 8 and the limiting groove 9 to be separated, the anti-dust cover 2 can be pulled out through the inner wall of the clamping groove 6 at the moment, the anti-dust cover 2 can be prevented from falling under the connection of the connecting belt 4, after the use is finished, the open end of the anti-dust cover 2 is sleeved at the camera lens 1 and inserted into the clamping groove 6, under the action of the sealing gasket 7, the anti-dust cover 2 and the camera lens 1 can be sealed, and then the limiting block 8 can be in contact with the inner wall of the limiting groove 9 to enable the anti-dust cover 2 to be fixed, so that a good anti-dust effect can be achieved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a dustproof guard shield for camera, includes camera lens (1), its characterized in that, the one end of camera lens (1) is provided with prevents grey cover (2), form sliding fit between the outer wall of the inner wall of preventing grey cover (2) and camera lens (1), the bottom outer wall fixedly connected with connecting block (3) of camera lens (1), one side fixedly connected with connecting band (4) of connecting block (3), fixed connection between the outer wall of the one end of connecting band (4) and grey cover (2).

2. The dustproof shield for the camera according to claim 1, wherein the outer wall of the camera lens (1) is fixedly connected with a connecting ring (5) surrounding the camera lens (1), a clamping groove (6) surrounding the camera lens (1) is formed in one side of the connecting ring (5), and sliding fit is formed between the inner wall of the clamping groove (6) and one end of the dustproof shield (2).

3. The dustproof shield for the camera according to claim 2, wherein a sealing gasket (7) surrounding the camera lens (1) is fixedly connected to the inner wall of one surface of the clamping groove (6) close to the camera lens (1), and the sealing gasket (7) is made of rubber.

4. A dust shield for a video camera according to claim 3, characterized in that the gasket (7) has a double-layer cavity structure.

5. The dustproof shield for the camera according to claim 2, wherein the top outer wall of the dustproof shield (2) is provided with a limit groove (9), one inner wall of the clamping groove (6) far away from the camera lens (1) is provided with a movable groove (10), and the inner wall of the movable groove (10) and the inner wall of the limit groove (9) are connected with the same limit block (8) in a sliding manner.

6. The dust shield for a video camera according to claim 5, wherein the stopper (8) is provided obliquely at a side close to the dust shield (2).

7. The dustproof shield for the video camera according to claim 6, wherein a plurality of uniformly distributed movable springs (11) are fixedly connected between the limiting block (8) and the opposite surface of the movable groove (10).

8. The dustproof shield for the video camera according to claim 7, wherein a moving opening (13) extending into the moving groove (10) is formed in the outer wall of the top of the connecting ring (5), and a moving rod (12) which is in sliding fit with the inner wall of the moving opening (13) is fixedly connected to the top of the limiting block (8).