Camera lens protection device

Abstract

The utility model relates to a camera lens protection device, which comprises a camera and a protection device arranged at the lens end of the camera, and the protection device comprises a connecting ring, a bearing rod and a driving piece. The connecting ring is fixedly sleeved outside the lens end of the camera, the inner edge of the right side surface of the connecting ring is fixedly connected with a connecting cylinder, the bearing rod is an arc-shaped rod formed by bending a rectangular rod, and the upper and lower ends of the inner arc surface of the bearing rod are rotationally connected with the upper and lower ends of the outer ring surface of the connecting cylinder through rotating rods; an elastic sheet is connected between the front part of the right side surface of the connecting ring and the bearing rod; the connecting ring is provided with a driving piece for driving the bearing rod to rotate, the bearing rod rotates with the central axis of the rotating rod as a rotating shaft, and when the bearing rod rotates to the position where the protrusion faces backwards, the elastic piece blocks the opening in the front end of the connecting cylinder. According to the utility model, the problems that the lens cover of the camera is easy to lose and the lens cover connected to the lens affects the shooting experience are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to camera accessory technical field, concretely relates to a camera lens protection device. BACKGROUND

[0002] The camera lens is an optical assembly, usually composed of a series of lenses, for focusing light to capture images. It is one of the key parts of the camera or video camera, directly affecting the quality and characteristics of the image. Since the glass components that make up the lens are easily damaged, a lens cover is usually detachably installed in front of the lens of the camera to protect the lens.

[0003] However, the lens cover needs to be removed when using the camera, and needs to be installed after use, which is inconvenient to use, and the lens cover is easy to lose with slight carelessness; some lens covers are connected to the lens, and after the lens cover is opened, it occupies space, although it is not easy to lose, the lens cover is easy to be collided by external objects, which can easily affect the camera experience. SUMMARY

[0004] The utility model discloses to solve the problem that the lens cover of camera is easy to lose and the lens cover connected to the lens affects the camera experience, provide a camera lens protection device, can improve the protection effect to the lens.

[0005] In order to solve the above problem, the technical scheme of the utility model is:

[0006] A camera lens protection device, comprising a camera, further comprising a protection device arranged at the lens end of the camera, the protection device comprising a connecting ring, a bearing rod and a driving part; the connecting ring is fixedly sleeved on the outer lens end of the camera, the right side surface of the connecting ring is fixedly connected with a connecting barrel, the bearing rod is an arc-shaped rod bent from a rectangular rod, the inner arc surface of the bearing rod is rotatably connected with the upper and lower ends of the outer ring surface of the connecting barrel through a rotating rod, and the right side surface of the connecting ring is connected with an elastic sheet between the front part and the bearing rod; the connecting ring is provided with a driving part for driving the bearing rod to rotate, the bearing rod rotates around the central axis of the rotating rod, and when the protrusion faces backward, the elastic sheet blocks the opening at the front end of the connecting barrel.

[0007] Further, when the protrusion of the bearing rod faces forward, the elastic sheet is in a natural state, the left end of the elastic sheet is fixedly connected with the right side surface of the connecting ring, and the right end is connected with the left side surface of the bearing rod; the length of the elastic sheet is matched with the arc length of the bearing rod.

[0008] Further, the inner ring diameter of the circular ring where the bearing rod is located is greater than the outer diameter of the connecting barrel.

[0009] Further, the driving member comprises a shell, a sliding block and a driving rod, the outer top surface left end of the shell is fixedly connected with the outer ring lower end of a connecting ring, the sliding block is slidingly arranged in the shell and is driven by the screw rod to move leftward or rightward, the top surface of the sliding block is recessed with a U-shaped groove, a plurality of teeth are arranged on the rear surface of the U-shaped groove, the upper end of the driving rod is fixedly connected with the outer arc surface lower end of a bearing rod and is coaxially arranged with the rotating rod, the lower end of the driving rod is movably penetrated through the top plate of the shell and extends into the U-shaped groove, and a gear meshing with the teeth is arranged on the outer sleeve of the lower end of the driving rod.

[0010] Further, the screw rod is threadedly connected with the sliding block on the lower side of the U-shaped groove, the left end of the screw rod is rotatably connected with the left side plate of the shell, the right end of the screw rod is movably penetrated through the right side plate of the shell and is connected with a driving plate, and the circumferential surface of the driving plate is arrayed with convex ribs.

[0011] Further, when the right end of the sliding block contacts the right side plate of the shell, the gear is located in the left part of the U-shaped groove, and the protrusion of the bearing rod faces forward; when the left end of the sliding block contacts the left side plate of the shell, the gear is located in the right part of the U-shaped groove, the gear rotates by 180 degrees, and the protrusion of the bearing rod faces backward.

[0012] By the above technical scheme, the protective device has the following beneficial effects:

[0013] The protective device is installed at the lens end of the camera, the driving member drives the bearing rod to rotate, when the bearing rod rotates, the elastic sheet is stretched or is in a natural state, when the elastic sheet is in the natural state, the right end of the connecting barrel is opened, the lens end of the camera is opened, when the elastic sheet is in the stretched state, the right end of the connecting barrel is blocked, and the lens end of the camera is blocked; the lens end of the camera is opened or closed, only needs to rotate the screw rod, and the adjustment is convenient; the protective device is always located at the lens end of the camera and is not easy to lose.

[0014] When the elastic sheet is in the natural state, the elastic sheet is located outside the lens end of the camera and occupies a small space, and does not affect the use experience of the camera. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the utility model;

[0016] Figure 2 is a right view of the connecting barrel and the bearing rod of the utility model;

[0017] Figure 3 is a sectional front view (enlarged view) of the driving member of the utility model;

[0018] Figure 4 is a structural schematic view (enlarged view) of the sliding block and the driving rod of the utility model.

[0019] In the drawing: 1, camera, 2, connecting ring, 3, bearing rod, 4, connecting cylinder, 5, rotating rod, 6, elastic sheet, 7, shell, 8, sliding block, 9, driving rod, 10, U-shaped groove, 11, tooth, 12, gear, 13, screw rod, 14, driving plate, 15, convex ridge. DETAILED DESCRIPTION

[0020] The utility model will be further described in connection with the drawings and specific embodiments:

[0021] As Figures 1-4 shown, a camera lens protection device, including camera 1, still including setting in camera 1 lens end's protection device, the protection device includes connecting ring 2, bearing rod 3 and driving piece, the connecting ring 2 is circular ring body, the connecting ring 2 is fixed in the lens end outside of camera and is covered, the right side surface inner edge of connecting ring 2 is fixedly connected with connecting cylinder 4, the connecting cylinder 4 is the cylindrical body of coaxial arrangement with connecting ring 2, and the both ends of connecting cylinder 4 are open, and the inner ring diameter of connecting cylinder 4 is same with the inner diameter of connecting ring 2, and the outer diameter is less than the outer diameter of connecting ring 2, the bearing rod 3 is the arc-shaped rod that long rectangular rod is bent, and the inner arc surface of bearing rod 3 is connected with the outer ring surface upper and lower end of connecting cylinder 4 through rotating rod 5 rotationally, the rotating rod 5 is circular rod body, and the right side face front part of connecting ring 2 and bearing rod 3 are connected with elastic sheet 6, and the elastic sheet 6 is the sheet-shaped body made of elastic rubber, the connecting ring 2 is equipped with the driving piece of driving bearing rod 3 rotation, and when bearing rod 3 rotates, with the central axis of rotating rod 5 as the rotation axis, when bearing rod 3 rotates to convex towards back, elastic sheet 6 blocks the front end opening of connecting cylinder 4.

[0022] When the convex of bearing rod 3 faces forward, the elastic sheet 6 is in natural state, and the left end of elastic sheet 6 is fixedly connected with the right side face of connecting ring 2, and the right end is connected with the left side face of bearing rod 3, the length of elastic sheet 6 is matched with the arc length of bearing rod 3, the bearing rod is the optimal arc type rod body, and when the convex of bearing rod faces right, the upper and lower ends of bearing rod are spaced apart between connecting ring, which does not affect the rotation of bearing rod.

[0023] The inner ring diameter of the circular ring where bearing rod 3 is located is greater than the outer diameter of connecting cylinder 4.

[0024] The driving member comprises a shell 7, a sliding block 8 and a driving rod 9, the shell 7 is a long rectangular shell with an open lower end and a closed upper end, the outer top surface of the shell 7 is fixedly connected with the lower end of the outer ring of the connecting ring 2, the sliding block 8 is slidably arranged in the shell 7, the sliding block 8 is driven by a screw rod 13 to move leftward or rightward, the sliding block 8 is a long rectangular block body in sliding contact with the inner wall of the shell 7, the top surface of the sliding block 8 is recessed with a U-shaped groove 10, the U-shaped groove 10 penetrates through the left and right sides of the sliding block 8, a plurality of teeth 11 are arranged on the rear side of the U-shaped groove 10, the plurality of teeth 11 are arranged at intervals from left to right, the driving rod 9 is fixedly connected with the lower end of the outer arc surface of the bearing rod 3 and coaxially arranged with the rotating rod 5, the lower end of the driving rod 9 is movably arranged to penetrate through the top plate of the shell 7 and extend into the U-shaped groove 10, a gear 12 is arranged on the lower end of the driving rod 9 and engaged with the teeth 11, the front end of the gear 12 is spaced apart from the front side of the U-shaped groove 10.

[0025] The screw rod 13 is threadedly connected with the sliding block 8 at the lower side of the U-shaped groove 10, the left end of the screw rod 13 is rotatably connected with the left side plate of the shell 7, the right end of the screw rod 13 is movably arranged to penetrate through the right side plate of the shell 7 and connected with a driving plate 14, the driving plate 14 is a circular plate body, a plurality of convex ribs 15 are arranged on the circumferential surface of the driving plate 14, the convex ribs 15 are long rod bodies and parallel to the central axis of the driving plate 14, the convex ribs 15 are helpful to increase the friction between the fingers of the user and the driving plate 14 and facilitate the rotation of the driving plate 14.

[0026] When the right end of the sliding block 8 contacts the right side plate of the shell 7, the gear 12 is located in the left part of the U-shaped groove 10, and the protrusion of the bearing rod 3 faces forward; when the left end of the sliding block 8 contacts the left side plate of the shell 7, the gear 12 is located in the right part of the U-shaped groove 10, the gear 12 is rotated by 180 degrees, and the protrusion of the bearing rod 3 faces backward.

[0027] When the right end of the sliding block 8 contacts the right side plate of the shell 7, the protrusion of the bearing rod 3 faces forward, and the elastic sheet 6 is in a natural state, at this time, the right end of the connecting cylinder 4 is not blocked, and the lens end of the camera is in an open state.

[0028] The driving plate 14 is rotated to drive the screw rod 13 to rotate, the screw rod 13 drives the sliding block 8 to move leftward, in the process of moving leftward of the sliding block 8, the teeth 11 in the U-shaped groove 10 move leftward with the sliding block 8, the teeth 11 in the U-shaped groove 10 engage with the gear 12 to rotate, the gear 12 drives the driving rod 9 to rotate counterclockwise (the counterclockwise rotation of the driving rod 9 is the same as the clockwise rotation of the rotating rod 5), and the driving rod 9 drives the bearing rod 3 to rotate counterclockwise. Figure 1When the driving rod 9 rotates clockwise, the bearing rod 3 rotates clockwise, and the elastic sheet 6 is gradually stretched. When the left end of the sliding block 8 contacts the left plate of the shell 7, the bearing rod 3 rotates 180 degrees, the elastic sheet 6 is stretched to the limit, and at this time, the bearing rod 3 is located at the rear of the connecting cylinder 4, the convex is backward, the elastic sheet 6 is in the stretched state to block the right end opening of the connecting cylinder 4, and the lens end of the camera is blocked and protected by the elastic sheet 6. When the lens end of the camera needs to be opened, the screw rod 13 is reversely rotated, so that the elastic sheet 6 returns to the natural state.

[0029] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and any equivalent or equivalent transformation or replacement of the technical scheme of the utility model within the scope of the utility model without departing from the spirit of the utility model belongs to the protection scope of the utility model.

Claims

1. A camera lens protection device, comprising a camera (1), characterized in that, It also includes a protective device installed at the lens end of the camera (1). The protective device includes a connecting ring (2), a bearing rod (3), and a driving component. The connecting ring (2) is sleeved and fixed outside the lens end of the camera. A connecting cylinder (4) is fixedly connected to the inner edge of the right side of the connecting ring (2). The bearing rod (3) is an arc-shaped rod bent from a rectangular rod. The upper and lower ends of the inner arc surface of the bearing rod (3) are rotatably connected to the upper and lower ends of the outer ring surface of the connecting cylinder (4) via a rotating rod (5). An elastic piece (6) is connected between the front part of the right side of the connecting ring (2) and the bearing rod (3). The connecting ring (2) is provided with a driving component that drives the bearing rod (3) to rotate. When the bearing rod (3) rotates, it takes the central axis of the rotating rod (5) as the rotation axis. When the bearing rod (3) rotates to the point where the protrusion faces backward, the elastic piece (6) blocks the front opening of the connecting cylinder (4).

2. The camera lens protection device according to claim 1, characterized in that, When the bearing rod (3) protrudes forward, the elastic sheet (6) is in a natural state. The left end of the elastic sheet (6) is fixedly connected to the right side of the connecting ring (2), and the right end is connected to the left side of the bearing rod (3). The length of the elastic sheet (6) matches the arc length of the bearing rod (3).

3. A camera lens protection device according to claim 1, characterized in that, The inner diameter of the ring containing the bearing rod (3) is greater than the outer diameter of the connecting cylinder (4).

4. A camera lens protection device according to claim 1, characterized in that, The driving component includes a housing (7), a slider (8), and a driving rod (9). The lower end of the outer ring of the connecting ring (2) is fixedly connected to the left end of the outer top surface of the housing (7). The slider (8) is slidably disposed in the housing (7). The slider (8) is driven to move to the left or right by the screw (13). The top surface of the slider (8) is recessed with a U-shaped groove (10). Multiple teeth (11) are provided on the rear side of the U-shaped groove (10). The upper end of the driving rod (9) is fixedly connected to the lower end of the outer arc surface of the bearing rod (3) and is coaxially arranged with the rotating rod (5). The lower end of the driving rod (9) moves through the top plate of the housing (7) and extends into the U-shaped groove (10). The lower end of the driving rod (9) is sleeved with a gear (12) that meshes with the teeth (11).

5. A camera lens protection device according to claim 4, characterized in that, The screw (13) is threaded to the slider (8) on the lower side of the U-shaped groove (10). The left end of the screw (13) is rotatably connected to the left side plate of the housing (7), and the right end is movable through the right side plate of the housing (7) and connected to the drive plate (14). The drive plate (14) has ridges (15) arranged on its circumferential surface.

6. A camera lens protection device according to claim 5, characterized in that, When the right end of the slider (8) contacts the right side plate of the housing (7), the gear (12) is located in the left part of the U-shaped groove (10), and the protrusion of the bearing rod (3) faces forward; when the left end of the slider (8) contacts the left side plate of the housing (7), the gear (12) is located in the right part of the U-shaped groove (10), the gear (12) rotates 180 degrees, and the protrusion of the bearing rod (3) faces backward.

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