CN217767144U

CN217767144U - Protective device for camera lens

Info

Publication number: CN217767144U
Application number: CN202221927037.5U
Authority: CN
Inventors: 叶林海
Original assignee: Shanghai Jiaoqiangtong Intelligent Technology Co ltd
Current assignee: Shanghai Jiaoqiangtong Intelligent Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-08
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a camera lens protection device, which comprises an end cover, a protective shell, a movable top cylinder and a baffle, wherein the end cover is fixedly connected with the protective shell, the movable top cylinder is sleeved outside the protective shell, the end part of the protective shell is rotationally connected with the baffle through a positioning shaft, a torsional spring is arranged on the positioning shaft, and a transmission device for driving the movable top cylinder to do linear motion is arranged inside the protective shell; when the movable top barrel moves linearly outwards, the baffle is pushed open, and when the movable top barrel moves inwards in a resetting mode, the baffle is pressed at the end part of the protective shell through the torsion spring. When the protection device is installed on a movable end (vehicle), the baffle can be automatically controlled to be opened and closed, and the protection device does not need to be frequently detached and cleaned, so that rainwater, dust and mosquito attachments are prevented from being stained, particularly in the road detection and inspection industry, the efficiency of road picture acquisition work is improved, and the time and labor cost are reduced.

Description

Protective device for camera lens

Technical Field

The utility model relates to a camera lens auxiliary structure technical field especially relates to a protector of camera lens.

Background

In order to keep the visual definition of the camera lens during observation, a buckle protective cover is added at the end of the camera lens and is taken down when in use and is manually installed when not in use. However, the manual mode can not meet the industrial use requirement, and especially when the manual mode is fixed at a moving end at a high position, the manual operation can not be realized.

In order to protect the camera lens, a protective shell is additionally arranged outside the camera lens device, and the lens end is designed with transparent glass to meet the requirement of the camera under normal conditions. But when camera lens protective housing installed in the removal end (vehicle), when the camera was out of work at night, the mosquito attachment was stained with easily to camera lens end printing opacity glass, influenced the normal use of camera daytime, and the mosquito attachment of being stained with in addition is difficult for wiping, influences the visual definition of camera lens.

Chinese patent application No. 201720768007.7 discloses a protection structure of a zoom lens, which solves the problems that a protection cover is easy to drop and lose and is inconvenient to use; the key points of the technical scheme are as follows: a protection structure of a zoom lens comprises the zoom lens and a lens shell sleeved on the zoom lens, wherein a protection cover is arranged at the end part of the lens shell and comprises a plurality of movable plates, the movable plates are hinged with the lens shell, an adjusting ring sleeved on the lens shell is arranged on the side surface of the lens shell, a transmission assembly is arranged between the adjusting ring and the movable plates, and the adjusting ring is used for adjusting and controlling the movable plates to be opened or closed through the transmission assembly; will the utility model discloses use on the zoom lens, can not only play the guard action to zoom lens, not make dirty or fish tail lens, can also reach visor convenient to use, the difficult beneficial effect who loses.

Although the protective structure of the lens plays a role in protecting the camera lens, the visual definition of the camera lens during observation is also maintained. However, the protection structure of the zoom lens needs to manually screw the adjusting ring, and the movable plate is controlled to open or close through the arc-shaped rack arranged on the surface of the inner ring of the adjusting ring and the transmission assembly, and the mode cannot be manually operated for the camera lens in the high environment. And the arc-shaped rack is connected with the rotating shaft of the movable plate for linkage, the movable plate is driven to open or close by the rotating shaft, a very small gear and the arc-shaped rack need to be designed, the gear needs to be arranged on the rotating shaft of the movable plate, the requirement on the precision matching degree is high, and the production and manufacturing cost is relatively high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector of camera lens to solve the problem that meets among the above-mentioned background art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a protective device for a camera lens comprises an end cover, a protective shell, a movable top cylinder and a baffle, wherein the end cover is fixedly connected with the protective shell, the movable top cylinder is sleeved on the outer side of the protective shell, the end part of the protective shell is rotatably connected with the baffle through a positioning shaft, a torsion spring is mounted on the positioning shaft, and a transmission device for driving the movable top cylinder to linearly move is mounted inside the protective shell; when the movable top cylinder moves linearly outwards, the baffle is pushed open, and when the movable top cylinder moves inwards in a resetting manner, the baffle is pressed at the end part of the protective shell through the torsional spring.

In the above scheme, transmission includes servo motor, gear and rack, servo motor installs in the inside of protecting sheathing, and servo motor's output is connected with gear drive, the rack is fixed in on the inner wall of removal top cylinder, the rack is connected with gear engagement.

Further, as a preferred scheme, install control module and shooting module in the inner chamber of end cover, control module is connected with shooting module and servo motor electricity respectively.

In the above scheme, the end cover and the protective shell are of an integrated structure.

In the above scheme, a guide rod is fixed in the end cover, and a guide sleeve slidably connected with the guide rod is fixed on the inner side of the movable top cylinder.

In the above scheme, the outer end of the movable top cylinder is close to the joint of the baffle and the protective shell and is provided with an avoidance groove.

In the above scheme, at least one baffle is arranged.

Further, as a preferred scheme, the number of the baffles is three, each baffle is of a fan-shaped structure, and the three baffles form a whole circle after being folded.

In addition, in the above scheme, the protective casing is in any one of a cylindrical structure, a square cylindrical structure and a rectangular structure, and a glass wafer is mounted at the end of the protective casing.

Compared with the prior art, the beneficial effects of the utility model are that: in the protection device, the power supply of the transmission device is controlled to be electrified for driving the movable top cylinder to do left and right linear motion, the structure is simple, and the manufacturing cost of parts is low. When the movable top barrel moves outwards in a straight line, the baffle is pushed open, and the baffle overturns outwards by taking the positioning shaft as a rotating fulcrum until the movable top barrel completely pushes open the baffle. When the movable top barrel moves inwards in a resetting mode, the baffle plate turns inwards by taking the positioning shaft as a rotating fulcrum, and finally the baffle plate is pressed on the end portion of the protective shell through the torsion spring. When the protection device is installed on a movable end (vehicle), the baffle can be automatically controlled to be opened and closed, and the protection device does not need to be frequently detached and cleaned, so that rainwater, dust and mosquito attachments are prevented from being stained, particularly in the road detection and inspection industry, the efficiency of road picture acquisition work is improved, and the time and labor cost are reduced.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic structural view of the baffle of the present invention when it is initially opened;

fig. 4 is a schematic structural view of the utility model with the middle baffle completely opened.

Reference numbers in the figures: 1-end cap; 11-a control module; 12-a shooting module; 13-a guide bar; 2-a protective housing; 21-a servo motor; 22-gear; 23-a glass wafer; 24-torsion spring; 25-positioning the shaft; 3, moving the top cylinder; 31-a rack; 32-guide sleeves; 33-avoidance groove; 4-baffle plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention in a schematic manner and therefore show only the components that are relevant to the invention.

According to the technical scheme of the utility model, under the essential spirit of the utility model, general technical personnel in this field can propose the multiple structural style and the realization that can replace each other. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, a camera lens protecting device includes an end cap 1, a protecting casing 2, a movable top cylinder 3 and a baffle 4, where the end cap 1 may be a part of a camera or a separate auxiliary component for being fixedly mounted at a camera lens. The end cover 1 is fixedly connected with the protective shell 2, and the end cover 1 and the protective shell 2 can be designed into an integrated structure so as to be conveniently installed at the lens installation position of a camera.

Remove the 3 suit in protecting sheathing 2's of top section of thick bamboo in the outside, protecting sheathing 2's tip is passed through location axle 25 and is rotated with baffle 4 and be connected, and location axle 25 is the pivot promptly, and baffle 4 rotates through the tip of location axle 25 with protecting sheathing 2 to be connected, covers protecting sheathing 2's tip. The positioning shaft 25 is provided with a torsion spring 24 for realizing elastic reciprocating rotation, and the protective shell 2 is internally provided with a transmission device for driving the movable top cylinder 3 to do linear motion. The outer end of the movable top cylinder 3 is provided with a dodging groove 33 close to the joint of the baffle 4 and the protective shell 2, the dodging groove 33 is of a U-shaped structure and is used for avoiding the joint of the baffle 4 and the protective shell 2 when the movable top cylinder 3 moves linearly and conveniently jacking up the baffle 4.

Specifically, transmission includes servo motor 21, gear 22 and rack 31, and servo motor 21 installs in the inside of protecting sheathing 2, and servo motor 21's output and gear 22 transmission are connected, and rack 31 is fixed in on the inner wall of removing top cylinder 3, and rack 31 and gear 22 meshing are connected. Therefore, the gear 22 is driven to rotate under the driving of the servo motor 21, the gear 22 drives the rack 31 to move back and forth, and the rack 31 is fixed on the inner wall of the movable top cylinder 3, so that the movable top cylinder 3 is driven to move left and right, and the baffle 4 at the end part of the protective shell 2 is jacked up or reset to cover.

As a preferable scheme, a control module 11 and a shooting module 12 are installed in an inner cavity of the end cover 1, and the shooting module 12 is located outside the end cover 1 so as to shoot the external environment. The control module 11 and the shooting module 12 are both existing module devices, the control module 11 is electrically connected with the shooting module 12 and the servo motor 21 respectively, the servo motor 21 is further connected with the control module 11 and used for driving the servo motor 21 to work, and only power on-off control is achieved, so that the most basic prior art is provided. The control module 11 can realize automatic control by being connected with a PLC (programmable logic controller) or a background electric cabinet, automatically opens the baffle 4, is convenient for shooting images or videos, and automatically closes the baffle 4 after use for protecting a camera lens.

As shown in fig. 2, the servo motor 21 is fixed in the protective housing 2, the servo motor 21 drives the gear 22 to move clockwise, the rack 31 is fixed in the movable top cylinder 3 and moves leftward at the same time, the movable top cylinder 3 jacks up the protective baffle 4, the baffle 4 rotates along the positioning shaft 25 to be opened, and the shooting module 12 can collect work. When the shooting module 12 stops working, the servo motor 21 drives the gear 22 to move anticlockwise, the rack 31 and the movable top cylinder 3 move rightwards, the protective baffle 4 rotates and closes under the action of the reset force of the torsion spring 24, the effect of preventing the front end glass of the lens from being stained is achieved, and particularly, the mosquito attachment stains when a vehicle runs at night.

Further, referring to fig. 3 and 4, when the movable top barrel 3 moves linearly outwards, the baffle 4 is pushed open, and the baffle 4 turns outwards with the positioning shaft 25 as a rotation fulcrum until the movable top barrel 3 completely pushes open the baffle 4. When the movable top barrel 3 moves inwards to return, the baffle 4 turns inwards by taking the positioning shaft 25 as a rotation fulcrum, and finally the baffle 4 is pressed on the end part of the protective shell 2 through the torsion spring 24.

In order to stabilize the linear motion of the movable top cylinder 3, as a preferable scheme, a guide rod 13 may be fixed in the end cap 1, the guide rod 13 may be horizontally arranged along the axis of the lens, and then installed at a side away from the gear 22, the rack 31, and other transmission parts, and a guide bush 32 slidably connected with the guide rod 13 is fixed at the inner side of the movable top cylinder 3. When the movable top barrel 3 is driven by the transmission device to do linear motion, the guide sleeve 32 moves left and right along the guide rod 13, and the driving force of the transmission device is stabilized.

In implementation, at least one baffle 4 is arranged, and the baffle 4 can be pushed open under the pushing of the movable top cylinder 3 only through one baffle 4, and can also be reset again under the action of the torsion spring 24 to cover the end part of the protective shell 2 when the movable top cylinder 3 is reset. As shown in figure 1, three baffles 4 are arranged, each baffle 4 is of a fan-shaped structure, and the three baffles 4 form a whole circle after being folded. Certainly, according to needs, the number of the baffles 4 can be set to be two or more than three, and the opening and closing function of the scheme can be realized.

In practice, the protective housing 2 may be designed to have any one of a cylindrical structure, a square cylindrical structure, and a rectangular structure, and preferably, the cylindrical structure is adopted according to the conventional appearance characteristics of the camera lens. As an alternative, in one of the embodiments, a glass disc 23 is mounted at the end of the protective housing 2 for protecting the internally mounted camera module 12.

The utility model discloses with collection, servo motor's of control module 11 control cameras operation, can realize intelligent control, not receive the limitation of time, mounted position. The baffle 4 can be freely opened and closed through the meshing transmission of the gear 22 and the rack 31, the guide of the guide sleeve 32 and the guide rod 13 and the action of the elastic resetting force of the torsion spring 25. When the protection device is installed on a mobile end (vehicle), the protection device does not need to be frequently detached and cleaned, avoids contamination of rainwater, dust and night mosquito attachments, particularly in the road detection and inspection industries, improves the efficiency of road picture acquisition work, and reduces time and labor cost.

The utility model discloses can be applied to and install all kinds of photographic cameras of making a video recording in outdoor, including installing in monitoring video cassette recorder, the camera of installing in the high building top, also can be for installing in the detection camera of road both sides, can also be applied to and install the vehicle event data recorder as removing the end at the vehicle top, perhaps be the outside monitoring camera of law enforcement car.

It should be noted that, in this document, 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. These elements not disclosed are all known to those skilled in the art.

The above-mentioned embodiments further explain in detail the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only the embodiments of the present invention, and are not intended to limit the scope of the present invention, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a protector of camera lens which characterized in that: the device comprises an end cover (1), a protective shell (2), a movable top cylinder (3) and a baffle (4), wherein the end cover (1) is fixedly connected with the protective shell (2), the movable top cylinder (3) is sleeved on the outer side of the protective shell (2), the end part of the protective shell (2) is rotatably connected with the baffle (4) through a positioning shaft (25), a torsion spring (24) is installed on the positioning shaft (25), and a transmission device for driving the movable top cylinder (3) to do linear motion is installed inside the protective shell (2); when the movable top cylinder (3) moves linearly outwards, the baffle (4) is pushed open, and when the movable top cylinder (3) moves inwards in a resetting manner, the baffle (4) is pressed at the end part of the protective shell (2) through a torsion spring (24).

2. A camera lens protection device according to claim 1, wherein: the transmission device comprises a servo motor (21), a gear (22) and a rack (31), wherein the servo motor (21) is installed in the protective shell (2), the output end of the servo motor (21) is in transmission connection with the gear (22), the rack (31) is fixed on the inner wall of the movable top barrel (3), and the rack (31) is in meshing connection with the gear (22).

3. A camera lens protection device according to claim 2, wherein: the inner cavity of the end cover (1) is internally provided with a control module (11) and a shooting module (12), and the control module (11) is electrically connected with the shooting module (12) and the servo motor (21) respectively.

4. A camera lens protection device according to claim 1, wherein: the end cover (1) and the protective shell (2) are of an integrated structure.

5. A camera lens protection device according to claim 1, wherein: a guide rod (13) is fixed in the end cover (1), and a guide sleeve (32) connected with the guide rod (13) in a sliding manner is fixed on the inner side of the movable top cylinder (3).

6. A camera lens protection device according to claim 1, wherein: the outer end of the movable top cylinder (3) is close to the joint of the baffle (4) and the protective shell (2) and is provided with an avoidance groove (33).

7. A camera lens protection device according to claim 1, wherein: at least one baffle (4) is arranged.

8. A camera lens protection device according to claim 7, wherein: the number of the baffle plates (4) is three, each baffle plate (4) is of a fan-shaped structure, and the three baffle plates (4) form a whole circle after being folded.

9. A camera lens protection device according to claim 1, wherein: the protective shell (2) is of any one of a cylindrical structure, a square cylindrical structure and a rectangular structure, and a glass wafer (23) is mounted at the end part of the protective shell (2).