Camera lens device capable of preventing light interference

Abstract

The utility model discloses a camera lens device capable of preventing light interference, and relates to the field of photographic equipment, the camera lens device comprises a camera main body, the side wall of the camera main body is fixedly connected with a lens barrel, the inner wall of the lens barrel is fixedly connected with a lens, and the outer wall of the lens barrel is provided with an adjustable mechanism. According to the camera lens device capable of preventing light interference, a driving disc can be driven by a rotating rod to move downwards and vertically, so that inclined surfaces on two sides of a lower pressing block abut against one side, close to the lower pressing block, of a clamping block, the clamping block extrudes the interior of a dovetail groove plate, and the relative positions of a sliding plate and the dovetail groove plate are fixed; and therefore, a user can adjust the inclination angle of the arc-shaped baffle according to the real-time outer wall light source position, and the adaptability of the device in use is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of photographic equipment, in particular to a camera lens device for preventing light interference. BACKGROUND

[0002] The camera lens device for preventing light interference is used for blocking the interference light entering the lens when the camera is used outdoors or in an environment with other interference light sources, so that the imaging in the lens is more stable and interference from external light is avoided.

[0003] The current camera device is fixed in front of the lens by a light shield during actual use to block the interference of light, but in the actual use process, the position of the camera is constantly moving with the user, which makes the relative position between the camera lens and the interference light constantly change. The light shield can only block the interference light at a fixed angle, and when the incident angle of the interference light is less than the inclination angle of the light shield, the interference light can still enter the lens and interfere with the light, thereby interfering with the use of the lens. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the problem that the light shielding angle cannot be adjusted in real time, the present application provides a camera lens device for preventing light interference.

[0005] The camera lens device for preventing light interference provided by the present application adopts the following technical scheme:

[0006] A camera lens device for preventing light interference, comprising a camera main body, a lens barrel fixedly connected to the side wall of the camera main body, a lens fixedly connected to the inner wall of the lens barrel, and an adjustable mechanism provided on the outer wall of the lens barrel.

[0007] The adjustable mechanism comprises a first rotating shaft provided on the outer wall of the lens barrel, an arc-shaped baffle provided on the side of the first rotating shaft away from the camera main body, a hand-held cylinder slidingly provided on the outer wall of the lens barrel, a dovetail groove plate provided on the outer wall of the lens barrel, a sliding plate provided on the side of the dovetail groove plate away from the lens barrel, a rotating rod rotatably provided on the top of the sliding plate, a driving disc fixedly provided on the bottom of the rotating rod, a lower pressing block provided on the bottom of the driving disc, and clamping blocks provided on both sides of the lower pressing block.

[0008] The adjustable mechanism is used for blocking the direct interference of external interference light and adjusting the angle at any time.

[0009] By adopting the above technical scheme, the diameter of the first rotating shaft is consistent with that of the outer wall of the lens barrel, so as to facilitate the positioning of the adjustable mechanism and the lens barrel, and make the installation position more accurate.

[0010] Preferably, the adjustable mechanism further comprises a fixed ring clamped with the lens barrel away from the camera body, the outer wall of the fixed ring is fixedly connected with a connecting ring, the side wall of the connecting ring is fixedly connected with a first connecting plate, the first rotating shaft is movably penetrated through the side wall of the first connecting plate, the outer wall of the middle part of the first rotating shaft is fixedly penetrated through a connecting block, one end of the connecting block away from the first rotating shaft is fixedly connected with an arc-shaped baffle, the top of the arc-shaped baffle is fixedly connected with a second connecting plate, the side wall of the second connecting plate is movably penetrated through a second rotating shaft, the middle part of the second rotating shaft is fixedly penetrated through an extension rod, the side wall of one end of the extension rod away from the second rotating shaft is fixedly penetrated through a third connecting shaft, and the side wall of the third connecting shaft is movably penetrated through a third connecting plate.

[0011] By adopting the above technical scheme, the plurality of symmetrically arranged arc-shaped baffles can shield the interfering light rays directly from the angle.

[0012] Preferably, the third connecting plate is fixedly connected with a linkage ring which is slidably connected with the outer wall of the lens barrel, and the side wall of the linkage ring is fixedly connected with the side wall of the hand-holding cylinder.

[0013] By adopting the above technical scheme, the linkage ring has the same size as the connecting ring, so that the connection is more compact.

[0014] Preferably, the inner wall of the hand-holding cylinder is attached to the outer wall of the lens barrel, and the side wall of the linkage ring is fixedly connected with the dovetail groove plate.

[0015] By adopting the above technical scheme, the hand-holding cylinder is wrapped with leather material outside the sponge inner container, so that the user has enough friction and is more comfortable when holding.

[0016] Preferably, the side wall of the connecting ring is fixedly connected with a sliding plate, and the top of the sliding plate is threadedly penetrated through the side wall of a rotating rod.

[0017] By adopting the above technical scheme, a plurality of sliding plates are arranged in the center, so that the limiting effect is more significant.

[0018] Preferably, the top of the rotating rod is fixedly connected with a knob, and the bottom of the rotating rod is fixedly connected with the top of a driving disc.

[0019] By adopting the above technical scheme, the driving disc has a larger diameter than the rotating rod, so that the rotating rod and the sliding plate are always in a threaded connection state.

[0020] Preferably, the top of the pressing block is attached to the bottom of the driving disc, and the two sides of the pressing block are attached to the side wall of a clamping block.

[0021] By adopting the above technical scheme, the inclined surfaces of the two sides of the pressing block and the inclined surfaces of the side wall of the clamping block are adapted to each other.

[0022] Preferably, the clamping block is away from the side of the pressing block and is clamped with the inner wall of the dovetail groove plate, and the bottom of the sliding plate is fixedly connected with a linkage plate clamped with the inner wall of the dovetail groove plate.

[0023] By adopting the above technical scheme, the shape of the side wall of the linkage plate is consistent with the cross section of the inner groove of the dovetail groove plate, thereby facilitating linkage.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The horizontal sliding of the hand-held cylinder drives the arc-shaped baffle to rotate around the first rotation axis, so that the arc-shaped baffle can shield the light according to the angle of view of the direct light interfering with the lens, thereby avoiding the interference of the light with the imaging in the lens, and reducing the external influence during shooting.

[0026] 2. The driving disc is driven by the rotating rod to move vertically downward, so that the inclined surfaces on both sides of the pressing block abut against the side of the clamping block close to the pressing block, so that the clamping block is extruded towards the inner part of the dovetail groove plate, thereby fixing the relative position of the sliding plate and the dovetail groove plate, and the user can adjust the inclination angle of the arc-shaped baffle according to the real-time position of the external wall light source, thereby improving the adaptability of the device during use. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a whole structure display drawing of the camera lens device for preventing light interference of the present application;

[0028] Figure 2 It is a whole structure display drawing of the camera lens device for preventing light interference of the present application from another angle;

[0029] Figure 3 It is a local display drawing of the telescopic rod of the camera lens device for preventing light interference of the present application;

[0030] Figure 4 It is a local display drawing of the sliding plate of the camera lens device for preventing light interference of the present application;

[0031] Figure 5 It is a local display drawing of the dovetail groove plate of the camera lens device for preventing light interference of the present application;

[0032] Figure 6 It is a local display drawing of the linkage plate of the camera lens device for preventing light interference of the present application.

[0033] REFERENCE NUMERALS:

[0034] 1. Camera body; 11. Lens barrel; 12. Lens;

[0035] 2, adjustable mechanism; 21, fixed ring; 22, connecting ring; 23, first connecting plate; 24, first rotating shaft; 25, connecting block; 26, arc-shaped baffle; 27, second connecting plate; 28, second rotating shaft; 29, telescopic rod; 210, third connecting shaft; 211, third connecting plate; 212, linkage ring; 213, hand cylinder;

[0036] 214, dovetail groove plate; 215, sliding plate; 216, rotating rod; 217, knob; 218, driving disc; 219, pressing block; 220, clamping block; 221, linkage plate. DETAILED DESCRIPTION

[0037] The following will be described in detail in combination with the accompanying drawings Figures 1-6 The application is further described in detail.

[0038] The embodiment of the application discloses a camera lens device capable of preventing light interference.

[0039] Referring to Figure 1 A camera lens device capable of preventing light interference comprises a camera body 1, a lens barrel 11 fixedly connected to the side wall of the camera body 1, a lens 12 fixedly connected to the inner wall of the lens barrel 11, and an adjustable mechanism 2 arranged on the outer wall of the lens barrel 11.

[0040] The staff turns on the camera body 1, then adjusts the working state of the lens barrel 11, wipes the front side of the lens 12 clean, and prepares for shooting work.

[0041] Referring to Figure 2 The adjustable mechanism 2 comprises a first rotating shaft 24 arranged on the outer wall of the lens barrel 11, an arc-shaped baffle 26 arranged on the side, away from the camera body 1, of the first rotating shaft 24, a hand cylinder 213 slidingly arranged on the outer wall of the lens barrel 11, a dovetail groove plate 214 arranged on the outer wall of the lens barrel 11, a sliding plate 215 arranged on the side, away from the lens barrel 11, of the dovetail groove plate 214, a rotating rod 216 rotationally arranged on the top of the sliding plate 215, a driving disc 218 fixedly arranged on the bottom of the rotating rod 216, a pressing block 219 arranged on the bottom of the driving disc 218, clamping blocks 220 arranged on the two sides of the pressing block 219, and a first connecting plate 23 fixedly connected to the side wall of the connecting ring 22.

[0042] When the staff finds that the direct light interferes with the inside of the lens barrel 11, the staff will pull the hand cylinder 213 to the side of the camera body 1, the hand cylinder 213 will drive the synchronous movement of the connecting ring 212, the connecting ring 212 will drive the synchronous movement of the third connecting plate 211, the third connecting plate 211 will drive the synchronous movement of the connecting ring 212, and the connecting ring 212 will drive the synchronous movement of the telescopic rod 29.

[0043] With reference to Figure 3 , the first connecting plate 23 side wall is provided with a round hole one, and the first rotating shaft 24 is movably penetrated through the round hole one, so that the first rotating shaft 24 is rotatably connected between the two first connecting plates 23. The side wall of the connecting block 25 is provided with a round hole two, and the middle part of the first rotating shaft 24 is fixedly penetrated through the round hole two, so that the first rotating shaft 24 is fixedly connected with the connecting block 25. The arc-shaped baffle 26 is fixedly connected to one end of the connecting block 25 away from the first rotating shaft 24, so that the connecting block 25 rotates to drive the arc-shaped baffle 26 to rotate. The second connecting plate 27 is symmetrically fixedly connected to the top of the arc-shaped baffle 26. The second connecting plate 27 side wall is provided with a round hole three, and the second rotating shaft 28 is movably penetrated through the round hole three, so that the second rotating shaft 28 is rotatably connected between the two second connecting plates 27. The telescopic end of the telescopic rod 29 close to the second rotating shaft 28 is provided with a round hole four, and the middle part of the second rotating shaft 28 is fixedly penetrated through the round hole four, so that the second rotating shaft 28 is fixedly connected with the telescopic rod 29. The fixed end of the telescopic rod 29 away from the second rotating shaft 28 is provided with a round hole five, and the third connecting shaft 210 is fixedly penetrated through the round hole five, so that the telescopic rod 29 is fixedly connected with the third connecting shaft 210. The telescopic rod 29 can automatically adjust the length according to the structure operation, so that the structure operation is more stable.

[0044] The telescopic end of the telescopic rod 29 will pull the second rotating shaft 28, the second rotating shaft 28 will drive the second connecting plate 27, the second connecting plate 27 will drive the arc-shaped baffle 26, at this time the arc-shaped baffle 26 will rotate counterclockwise around the first rotating shaft 24 as the axis, so as to shield the interfering light. The staff controls the arc-shaped baffle 26 to tilt at different angles according to the angle of the interfering light, so as to achieve the best shielding effect.

[0045] With reference to Figure 4, the third connecting plate 211 side wall is provided with a round hole six, the third connecting shaft 210 is movably penetrated through the round hole six, so that the third connecting shaft 210 is rotatably connected between the two third connecting plates 211, the third connecting plate 211 bottom is fixedly connected with the outer wall of the linkage ring 212, the inner wall of the linkage ring 212 is attached to the outer wall of the lens barrel 11, so that the linkage ring 212 is slidably connected with the lens barrel 11, the side wall of the hand-held cylinder 213 is fixedly connected with the side wall of the linkage ring 212, so that the hand-held cylinder 213 can drive the linkage ring 212 to move synchronously when the hand-held cylinder 213 moves horizontally, the inner wall of the hand-held cylinder 213 is attached to the outer wall of the lens barrel 11, so that the hand-held cylinder 213 is slidably connected with the lens barrel 11, so that the transmission is more stable, the dovetail groove plate 214 is fixedly connected with the side wall of the linkage ring 212, the dovetail groove plate 214 is attached to the side wall of the connecting ring 22, the sliding plate 215 is fixedly connected with the side wall of the connecting ring 22, the sliding plate 215 top is provided with a threaded hole, the rotating rod 216 side wall is screwed through the threaded hole, so that the sliding plate 215 is screwedly connected with the rotating rod 216, the knob 217 is fixedly connected with the top of the rotating rod 216, so that the knob 217 can drive the rotating rod 216 to rotate when the knob 217 rotates, the knob 217 is provided with a plurality of centers, a plurality of dovetail groove plates 214 can be realized by the linkage ring 212 Synchronous movement, so as to rotate the knob 217 in turn, without the need for synchronous rotation of a plurality of knobs 217.

[0046] The linkage ring 212 also drives the dovetail groove plate 214 to move horizontally synchronously when moving horizontally, the dovetail groove plate 214 drives the linkage plate 221 to slide inside the dovetail groove plate 214 when moving synchronously, when the arc-shaped baffle 26 is inclined to the appropriate position, the worker rotates the knob 217, the knob 217 drives the rotating rod 216 to rotate, the rotating rod 216 drives the driving disc 218 to move synchronously when the rotating rod 216 moves vertically on one side of the downward pressing block 219, the driving disc 218 drives the downward pressing block 219, so that the downward pressing block 219 presses the clamping block 220 to move to both sides.

[0047] Referring to Figure 5 , Figure 6The top of the driving disc 218 is fixedly connected to the bottom of the rotating rod 216, so that the rotating rod 216 can drive the driving disc 218 to move synchronously, the bottom of the driving disc 218 is attached to the top of the pressing block 219, so that the driving disc 218 drives the pressing block 219 to move downward synchronously when the driving disc 218 moves downward, the two sides of the pressing block 219 close to the clamping block 220 are provided as inclined surfaces, the side wall of the clamping block 220 is attached to the two sides of the pressing block 219, so that the pressing block 219 drives the clamping block 220 to move horizontally to the two sides when the pressing block 219 moves vertically downward, the clamping block 220 is clamped to the inner wall of the dovetail groove plate 214 on the side away from the pressing block 219, and the inclined surface on the side of the clamping block 220 away from the pressing block 219 is attached to the inner wall of the dovetail groove plate 214, so as to facilitate fixation, the bottom of the sliding plate 215 is fixedly connected to the top of the linkage plate 221, and the side wall of the linkage plate 221 is clamped to the inner wall of the dovetail groove plate 214, so that the sliding plate 215 and the dovetail groove plate 214 are always in a sliding connection state, and the sliding plate 215 moves synchronously with the pressing block 219 and the clamping block 220 through the linkage plate 221.

[0048] The clamping block 220 extrudes the inner wall of the dovetail groove plate 214, so that the sliding plate 215 is fixedly connected to the dovetail groove plate 214, and the angle of the arc-shaped baffle 26 is fixed.

[0049] The camera body 1 and the lens barrel 11 are prior art, and the structure principle will not be described again.

[0050] The implementation principle of the camera lens device for preventing light interference according to the embodiment is as follows:

[0051] When a staff member finds that the interfering light is directly incident into the lens barrel 11, the staff member pulls the hand-held cylinder 213 to the side of the camera body 1, the hand-held cylinder 213 drives the telescopic rod 29 to move synchronously, the telescopic end of the telescopic rod 29 pulls the arc-shaped baffle 26, and the arc-shaped baffle 26 rotates counterclockwise about the first rotating shaft 24, so as to shield the interfering light. The staff member controls the arc-shaped baffle 26 to be inclined at different angles according to the angle of the interfering light. When the linkage ring 212 moves horizontally, the linkage plate 221 also slides in the dovetail groove plate 214. When the arc-shaped baffle 26 is inclined to the appropriate position, the staff member rotates the knob 217, the knob 217 drives the rotating rod 216 to rotate, the rotating rod 216 moves vertically to one side of the pressing block 219, the rotating rod 216 drives the driving disc 218 to press the pressing block 219, so that the pressing block 219 presses the clamping block 220 to move to the two sides, and the clamping block 220 extrudes the inner wall of the dovetail groove plate 214, so that the sliding plate 215 is fixedly connected to the dovetail groove plate 214, and the angle of the arc-shaped baffle 26 is fixed.

[0052] The above merely describes optional embodiments of the present disclosure, and is not intended to limit the present disclosure. The present disclosure can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A camera lens device for preventing light interference, comprising a camera body (1), wherein a lens barrel (11) is fixedly connected to the side wall of the camera body (1), and a lens (12) is fixedly connected to the inner wall of the lens barrel (11), characterized in that: The outer wall of the lens barrel (11) is provided with an adjustable mechanism (2); The adjustable mechanism (2) comprises a first rotating shaft (24) arranged on the outer wall of the lens barrel (11), wherein the first rotating shaft (24) is provided with an arc-shaped baffle (26) away from the camera body (1), the outer wall of the lens barrel (11) is slidably provided with a hand-holding cylinder (213), the outer wall of the lens barrel (11) is provided with a dovetail groove plate (214), the dovetail groove plate (214) is provided with a sliding plate (215) away from the lens barrel (11), the top of the sliding plate (215) is rotatably provided with a rotating rod (216), the bottom of the rotating rod (216) is fixedly provided with a driving disc (218), the bottom of the driving disc (218) is provided with a pressing block (219), and the two sides of the pressing block (219) are provided with clamping blocks (220). The adjustable mechanism (2) is used for shielding the direct light of external interference light and adjusting the angle at any time.

2. The camera lens apparatus of claim 1, wherein: The adjustable mechanism (2) further comprises a fixed ring (21) clamped with the end of the lens barrel (11) away from the camera body (1), the outer wall of the fixed ring (21) is fixedly connected with a connecting ring (22), the side wall of the connecting ring (22) is fixedly connected with a first connecting plate (23), the first rotating shaft (24) is movably penetrated through the side wall of the first connecting plate (23), the outer wall of the middle part of the first rotating shaft (24) is fixedly penetrated through a connecting block (25), one end of the connecting block (25) away from the first rotating shaft (24) is fixedly connected with the arc-shaped baffle (26), the top of the arc-shaped baffle (26) is fixedly connected with a second connecting plate (27), the side wall of the second connecting plate (27) is movably penetrated through a second rotating shaft (28), the middle part of the second rotating shaft (28) is fixedly penetrated through an extension rod (29), one end of the extension rod (29) away from the second rotating shaft (28) is fixedly penetrated through a third connecting shaft (210), and the side wall of the third connecting shaft (210) is movably penetrated through a third connecting plate (211).

3. The camera lens apparatus of claim 2, wherein: The bottom of the third connecting plate (211) is fixedly connected with a linkage ring (212) slidably connected with the outer wall of the lens barrel (11), and the side wall of the linkage ring (212) is fixedly connected with the side wall of the hand-holding cylinder (213).

4. The camera lens apparatus of claim 3, wherein: The inner wall of the hand-holding cylinder (213) is attached to the outer wall of the lens barrel (11), and the side wall of the linkage ring (212) is fixedly connected with the dovetail groove plate (214).

5. The camera lens apparatus of claim 4, wherein: The side wall of the connecting ring (22) is fixedly connected with the sliding plate (215), and the top of the sliding plate (215) is threadedly penetrated with the side wall of the rotating rod (216).

6. The camera lens apparatus of claim 5, wherein: The top of the rotating rod (216) is fixedly connected with a knob (217), and the bottom of the rotating rod (216) is fixedly connected with the top of the driving disc (218).

7. The camera lens apparatus of claim 1, wherein: The top of the pressing block (219) is attached to the bottom of the driving disc (218), and the two sides of the pressing block (219) are attached to the side wall of the clamping block (220).

8. The camera lens apparatus of claim 7, wherein: The clamping block (220) is away from the side of the pressing block (219) and is clamped with the inner wall of the dovetail groove plate (214), and the bottom of the sliding plate (215) is fixedly connected with the linkage plate (221) clamped with the inner wall of the dovetail groove plate (214).

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