CN210051990U

CN210051990U - Optical lens capable of finely adjusting light inlet quantity

Info

Publication number: CN210051990U
Application number: CN201921084694.6U
Authority: CN
Inventors: 李祥峰
Original assignee: Chongqing Jingchenmei Technology Co Ltd
Current assignee: Chongqing Jingchenmei Technology Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-02-11
Anticipated expiration: 2029-07-11

Abstract

The utility model provides an optical lens that can finely tune light inlet amount relates to optical lens technical field, including the camera lens main part, the fixed surface of camera lens main part is connected with the spacing ring, and the inside of spacing ring is transversely inserted and is equipped with three pivot, and the surperficial screw thread of camera lens main part rotates and is connected with the adjustable ring, and the one end that the adjustable ring is close to the spacing ring is equipped with the tooth structure, and the equal fixedly connected with gear of one end of adjustable ring is close to in three pivot. The utility model discloses, through rotating the adjustable ring to the spacing ring direction, make the tooth structure on adjustable ring surface drive rather than the gear revolve of meshing, thereby it rotates to drive the pivot, utilize the pivot to slide in the spacing ring is inside, thereby make the pivot promote the slip ring and keep away from the directional motion of spacing ring, utilize the pulling clamp splice that makes progress, install the lens of different transmittances between cushion and clamp splice, tentatively adjust luminance to optical lens through the lens that has the transmittance, the lens that has the lens transmittance has the effect of protection.

Description

Optical lens capable of finely adjusting light inlet quantity

Technical Field

The utility model relates to an optical lens technical field especially relates to an optical lens that can finely tune light inlet amount.

Background

The optical lens is an essential component in a machine vision system, directly influences the quality of imaging quality and influences the realization and effect of an algorithm. The optical lens can be divided into a short-focus lens, a middle-focus lens and a long-focus lens from the focal length, and the optical lens is divided into a wide-angle standard telephoto lens and a long-range telephoto lens from the view field size, and is structurally divided into a fixed-aperture fixed-focus lens.

The optical lens used at present has the following defects: the traditional mechanical light door electric adjustment is mainly adopted, the structure is very complex and precise, different optical lenses are needed according to different photographing conditions, when the photographing environment changes, the replaced optical lenses need to be placed in the lens storage box, photographing time is delayed in the lens storage process, the replaced optical lenses are usually stored when the lenses are placed on the ground, and the optical lenses are easily damaged by stepping on the ground.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an optical lens capable of finely adjusting the light inlet quantity.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an optical lens that volume of intaking can finely tune, includes the camera lens main part, the fixed surface of camera lens main part is connected with the spacing ring, the inside of spacing ring is transversely inserted and is equipped with three pivot, the surperficial screw thread of camera lens main part rotates and is connected with the adjustable ring, the one end that the adjustable ring is close to the spacing ring is equipped with tooth structure, and is three the equal fixedly connected with gear of one end that the pivot is close to the adjustable ring, and is three the gear all meshes with the adjustable ring, the fixed surface of adjustable ring is connected with storage device and gag lever post, storage device and gag lever post use the adjustable ring as symmetry axis symmetric distribution, and is three the one end rotation that the adjustable ring was kept away from to.

Preferably, the protector includes rotates with the pivot and is connected the sliding ring, the sliding ring cover is on camera lens main part surface, the position fixedly connected with cushion that the sliding ring front end is close to the bottom, sliding ring top fixedly connected with slide bar, the surface cover of slide bar is equipped with the clamp splice, the upper end fixed surface of clamp splice is connected with the spring, the spring is kept away from the one end and the slide bar fixed connection of clamp splice, and the spring housing is on the slide bar surface.

Preferably, the storage device includes the receiver with adjustable ring fixed connection, the inner wall of receiver rotates and is connected with the bull stick, the fixed surface of bull stick is connected has the winding roller, the surface winding of winding roller has the haulage rope, the one end that the winding roller was kept away from to the haulage rope runs through receiver and fixture block fixed connection, the pole groove has been seted up on the surface of bull stick, and the interior diapire fixedly connected with shell fragment in pole groove.

Preferably, the three rotating shafts are uniformly distributed in the limiting ring and are in sliding connection with the limiting ring.

Preferably, the elastic sheet is far away from one end of the bottom wall in the rod groove formed in the surface of the rotating rod, the pull rod is fixedly connected with the elastic sheet, and the rotating rod is provided with a placing groove relative to the rod groove.

Preferably, the surface of the clamping block is provided with a sleeve hole matched with the limiting rod in size, the bottom end of the sleeve hole is provided with a sliding groove, and the sliding groove is matched with a limiting groove formed in the surface of the limiting rod.

Advantageous effects

1. The utility model discloses in, through rotating the adjustable ring to the spacing ring direction, make the tooth structure on adjustable ring surface drive rather than the gear revolve of meshing, thereby it rotates to drive the pivot, utilize the pivot to slide in the spacing ring is inside, thereby make the pivot promote the slip ring and keep away from the directional motion of spacing ring, utilize the pulling clamp splice that makes progress, install the lens of different transmittances between cushion and clamp splice, carry out preliminary light modulation to optical lens through the lens that has the transmittance, the lens that has the lens transmittance has the effect of protection.

2. The utility model discloses in, stimulate the fixture block, make fixture block pulling haulage rope stretch out, through the inside trepanning cover of fixture block on the gag lever post surface, thereby transversely stimulate the fixture block and make the spout card make the haulage rope form the closure at gag lever post surface limiting groove inside, thereby utilize the haulage rope to hang and carry out zero hour with the camera lens body on the neck and place, through the pulling pull rod, make pull rod pulling shell fragment slide at the pole inslot portion, pull out the pull rod and put the inside rotation pull rod of standing groove to make the pull rod drive the bull stick and rotate, make the bull stick accomodate the haulage rope.

3. The utility model discloses in, what adopt is the camera lens of different light transmission volumes to realize the change of light inlet quantity, avoid the complicated structure that the electromechanical light door was adjusted, improve equipment's later stage maintainability.

Drawings

Fig. 1 is a front view of a three-dimensional structure of an optical lens capable of fine-tuning the amount of incident light according to the present invention;

fig. 2 is a rear view of a three-dimensional structure of an optical lens according to the present invention, which can finely adjust the amount of incident light;

fig. 3 is a schematic structural view of a storage box in an optical lens according to the present invention, which can finely adjust the amount of incident light;

fig. 4 is a schematic structural view of a fixture block in an optical lens capable of fine-tuning the amount of incident light.

Illustration of the drawings:

1. a lens main body; 2. a limiting ring; 3. an adjusting ring; 4. a gear; 5. a rotating shaft; 6. a guard; 601. a slip ring; 602. cushion blocks; 603. a slide bar; 604. a spring; 605. a clamping block; 7. a storage device; 701. a storage box; 702. a rotating rod; 703. a winding roller; 704. a hauling rope; 705. a clamping block; 706. a spring plate; 707. a pull rod; 708. trepanning; 709. a chute.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-4, an optical lens capable of finely adjusting the amount of light entering, including lens main body 1, the fixed surface of lens main body 1 is connected with spacing ring 2, the inside of spacing ring 2 is transversely inserted and is equipped with three pivot 5, the surperficial screw thread of lens main body 1 rotates and is connected with adjustable ring 3, the one end that adjustable ring 3 is close to spacing ring 2 is equipped with the tooth structure, 5 evenly distributed of three pivot are in the inside of spacing ring 2, the equal fixedly connected with gear 4 of one end that three pivot 5 is close to adjustable ring 3, three gear 4 all meshes with adjustable ring 3, the fixed surface of adjustable ring 3 is connected with storage device 7 and gag lever post 8, storage device 7 and gag lever post 8 use adjustable ring 3 as the symmetry axis symmetric distribution, the one end that adjustable ring 3 was kept away from to three pivot 5 rotates and is connected with protector.

The protection device 6 comprises a sliding ring 601 rotationally connected with the rotating shaft 5, the sliding ring 601 is sleeved on the surface of the lens body 1, a cushion block 602 is fixedly connected to the position, close to the bottom end, of the front end of the sliding ring 601, a sliding rod 603 is fixedly connected to the top end of the sliding ring 601, a clamping block 605 is sleeved on the surface of the sliding rod 603, a spring 604 is fixedly connected to the surface of the upper end of the clamping block 605, one end, far away from the clamping block 605, of the spring 604 is fixedly connected with the sliding rod 603, and.

Storage device 7 includes receiver 701 with adjustable ring 3 fixed connection, the inner wall of receiver 701 rotates and is connected with bull stick 702, what the fixed surface of bull stick 702 was connected has winding roller 703, winding roller 703's surface winding has haulage rope 704, the one end that winding roller 703 was kept away from to haulage rope 704 runs through receiver 701 and fixture block 705 fixed connection, trepanning 708 with the adaptation of gag lever post 8 size is seted up on the surface of fixture block 705, spout 709 has been seted up to the bottom of trepanning 708, the spacing groove looks adaptation that spout 709 and gag lever post 8 surface were seted up, the pole groove has been seted up on the surface of bull stick 702, and the inner diapire fixedly connected with shell fragment 706 in the pole groove, shell fragment 706 keeps away from pole groove inner diapire one end fixedly connected with pull rod 707 that bull stick 702 surface was seted up, the standing groove has been seted up for the.

The utility model discloses a theory of operation: the adjusting ring 3 is rotated towards the direction of the limiting ring 2, the tooth structure on the surface of the adjusting ring 3 drives the gear 4 meshed with the adjusting ring to rotate, so as to drive the rotating shaft 5 to rotate, the rotating shaft 5 is utilized to slide in the limiting ring 2, so that the rotating shaft 5 pushes the slip ring 601 to move away from the direction of the limiting ring 2, the clamping block 605 is pulled upwards, lenses with different transmittances are installed between the cushion block 602 and the clamping block 605, the optical lens is subjected to preliminary dimming through the lenses with transmittances, the lens with the transmittances of the lenses has a protection function, the clamping block 705 is pulled, the clamping block 705 pulls the traction rope 704 to extend out, the sliding groove 709 is sleeved on the surface of the limiting rod 8 through the inner sleeve hole 708 of the clamping block 705, the clamping block 705 is pulled transversely, so that the traction rope 704 is clamped in the limiting groove on the surface of the limiting rod 8 to form a closed state, the, through pulling pull rod 707, make pull rod 707 pull shell fragment 706 slide in the pole groove is inside, pull rod 707 out and put inside rotation pull rod 707 of standing groove to make pull rod 707 drive bull stick 702 and rotate, make bull stick 702 accomodate haulage rope 704.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An optical lens capable of finely adjusting the amount of incoming light, comprising a lens body (1), characterized in that: the surface of the lens main body (1) is fixedly connected with a limiting ring (2), three rotating shafts (5) are transversely inserted into the limiting ring (2), the surface thread of the lens main body (1) is rotatably connected with an adjusting ring (3), one end of the adjusting ring (3) close to the limiting ring (2) is provided with a tooth structure, one ends of the three rotating shafts (5) close to the adjusting ring (3) are fixedly connected with gears (4), the three gears (4) are all meshed with the adjusting ring (3), the surface of the adjusting ring (3) is fixedly connected with a containing device (7) and a limiting rod (8), storage device (7) and gag lever post (8) use adjustable ring (3) to distribute as symmetry axis symmetry, and are three the one end that adjustable ring (3) were kept away from in pivot (5) is rotated and is connected with protector (6), the draw-in groove has been seted up on the surface of gag lever post (8).

2. An optical lens according to claim 1, wherein: protector (6) include and rotate with pivot (5) and be connected sliding ring (601), sliding ring (601) cover is on camera lens main part (1) surface, sliding ring (601) front end is close to position fixedly connected with cushion (602) of bottom, sliding ring (601) top fixedly connected with slide bar (603), the surface cover of slide bar (603) is equipped with clamp splice (605), the upper end fixed surface of clamp splice (605) is connected with spring (604), the one end and slide bar (603) fixed connection of clamp splice (605) are kept away from in spring (604), and spring (604) cover is on slide bar (603) surface.

3. An optical lens according to claim 1, wherein: storage device (7) include with adjustable ring (3) fixed connection's receiver (701), the inner wall of receiver (701) rotates and is connected with bull stick (702), what the fixed surface of bull stick (702) was connected has wire winding roller (703), the surface winding of wire winding roller (703) has haulage rope (704), the one end that wire winding roller (703) were kept away from in haulage rope (704) runs through receiver (701) and fixture block (705) fixed connection, the pole groove has been seted up on the surface of bull stick (702), and the interior diapire fixedly connected with shell fragment (706) in pole groove.

4. An optical lens according to claim 1, wherein: the three rotating shafts (5) are uniformly distributed in the limiting ring (2), and the three rotating shafts (5) are connected with the limiting ring (2) in a sliding mode.

5. An optical lens according to claim 3, wherein: a pull rod (707) is fixedly connected to one end of the bottom wall of the rod groove formed in the surface, away from the rotating rod (702), of the elastic sheet (706), and a placing groove is formed in the position, relative to the rod groove, of the rotating rod (702).

6. An optical lens according to claim 3, wherein: the surface of the clamping block (705) is provided with a sleeve hole (708) matched with the limiting rod (8) in size, the bottom end of the sleeve hole (708) is provided with a sliding groove (709), and the sliding groove (709) is matched with a limiting groove formed in the surface of the limiting rod (8).