Optical lens for increasing working distance
By introducing distance and angle adjustment components into the optical lens and utilizing a micro servo motor and screw-nut pair structure, the problem of limited lens movement space was solved, thereby extending the lens working distance and improving image clarity.
Patent Information
- Application Number
- CN202520002726.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Existing optical lenses have limited space for lens movement when shooting distant objects, resulting in a short working distance and an inability to effectively expand the field of view, necessitating lens replacement.
An optical lens was designed that includes distance adjustment components and angle adjustment components. Through a micro servo motor and screw-nut pair structure, the distance and angle between the lenses are adjusted, increasing the lens movement space and improving the working distance.
By adjusting the distance and angle of the lenses, the working distance of the lens is increased, resulting in clearer images when shooting distant objects.
Smart Images
Figure CN223565964U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical lens technical field, concretely is a kind of optical lens for working distance promotion. BACKGROUND
[0002] Optical lens is a kind of equipment component for optical imaging, and its function is to focus the light emitted or reflected by object on imaging plane, to form clear image.
[0003] At present, the existing optical lens is all through adjusting the position of lens in lens to reach the photographing of remote object when photographing remote object, but the space in lens is limited, and the position of lens movement is small, so that the remote object cannot be photographed, and lens needs to be replaced, and working photographing distance is short. INVENTION CONTENTS
[0004] The utility model provides a kind of optical lens for working distance promotion, with lens in lens has larger moving space, and the distance between two lenses is adjusted simultaneously, to reach the promotion of lens working distance.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of optical lens for working distance promotion, including lens, first lens, third lens and second lens, characterized by, the inner wall of the lens is provided with distance adjusting assembly on left and right sides;
[0006] The distance adjusting assembly includes two second micro servo motors fixed in the left and right sides of the inside of lens and penetrated, the output end of the second micro servo motor on left side is fixedly connected with second screw rod, the front end of the second screw rod is fixedly connected with slide bar, the output end of the second micro servo motor on right side is fixedly connected with slide bar, the front end of the slide bar on right side is fixedly connected with third screw rod, the outside of the second screw rod and third screw rod is penetrated and is connected with first nut pair in screw thread, the outside of the slide bar is penetrated and is connected with second sliding block in sliding.
[0007] As a preferred technical scheme of the utility model, the second sliding block on front side and first nut pair are penetrated and rotationally connected with second lens, the second sliding block on back side and first nut pair are penetrated and rotationally connected with first lens, the inner wall of the lens is fixedly connected with aperture on front side, and the inner wall of the aperture is provided with a plurality of aperture plates.
[0008] As a preferred technical scheme of the utility model, the inner wall top and bottom of the lens are provided with angle adjusting assembly.
[0009] As a preferred technical scheme of the utility model, the angle adjusting assembly includes a first micro servo motor fixed at the top and bottom of the lens interior and a slide rail fixed at the top and bottom of the lens inner wall, the output end of the first micro servo motor is fixedly connected with a first screw rod, the inside of the slide rail penetrates and is slidably connected with a first sliding block, the first sliding block is penetrated and threadedly connected with the first screw rod, the first sliding block at the bottom and the first lens are hingedly connected with the first sliding block and the second lens at the top.
[0010] As a preferred technical scheme of the utility model, the top of the lens penetrates and is fixedly connected with a laser range finder, the front side of the lens penetrates and is fixedly connected with a front protective lens, the rear side of the lens penetrates and is fixedly connected with a rear protective lens, the top of the third lens is fixedly connected with a third sliding block, and the bottom of the third lens is fixedly connected with a second nut pair.
[0011] As a preferred technical scheme of the utility model, the rear side of the lens is provided with a mounting thread, and the rear side of the inner wall of the lens is provided with a fine adjustment assembly.
[0012] As a preferred technical scheme of the utility model, the fine adjustment assembly includes a knob, a fourth screw rod penetrated and rotationally connected at the bottom of the rear side of the lens inner wall of the lens, and a fixed rod penetrated and fixed at the top of the rear side of the lens inner wall, the front end of the fourth screw rod is fixedly connected with a gear, the inner wall of the knob is fixedly connected with a gear ring distributed uniformly, and the gear ring is meshingly connected with the gear.
[0013] As a preferred technical scheme of the utility model, the fixed rod is penetrated and slidably connected with the third sliding block, and the fourth screw rod is penetrated and threadedly connected with the second nut pair.
[0014] Compared with the prior art, the utility model provides a working distance promotion optical lens, has the following beneficial effects:
[0015] The utility model discloses through the mutual cooperation of first lens, second lens and distance adjusting assembly, can according to demand, starts second micro servo motor to adjust the distance between first lens and second lens, thereby increases the working distance of lens shooting, and because the adjustable space of first lens and second lens in the lens increases, then increases the working distance of lens, and the distance adjusting assembly set up can adjust the front and rear tilt angle of first lens and second lens, makes the image of long distance shooting more clear. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure schematic diagram of the utility model;
[0017] Figure 2 It is the local structure diagram of the utility model;
[0018] Figure 3 It is the inside schematic view of the lens of the utility model;
[0019] Figure 4 It is the structure view of the angle adjusting assembly of the utility model;
[0020] Figure 5 It is the schematic view of the fine adjustment assembly of the utility model.
[0021] In the drawing: 1, lens; 2, laser range finder; 3, front protective lens; 4, mounting thread; 5, aperture; 51, aperture plate; 6, first lens; 7, second lens; 8, angle adjusting assembly; 81, first micro servo motor; 82, first screw rod; 83, sliding rail; 84, first sliding block; 85, hinged plate; 9, distance adjusting assembly; 91, second screw rod; 92, first nut pair; 93, sliding rod; 94, third screw rod; 95, second micro servo motor; 96, second sliding block; 10, rear protective lens; 11, third lens; 111, third sliding block; 112, second nut pair; 12, fine adjustment assembly; 121, knob; 122, gear ring; 123, gear; 124, fourth screw rod; 125, fixed rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one
[0023] Please refer to Figures 1-5 The utility model discloses a kind of optical lens for working distance promotion, a kind of optical lens for working distance promotion, including lens 1, first lens 6, third lens 11 and second lens 7, the inner wall of the lens 1 left and right sides is provided with distance adjusting assembly 9;
[0024] The distance adjusting assembly 9 includes two second micro servo motors 95 fixed in the left and right sides of the inside of lens 1, the output end of the second micro servo motor 95 on the left side is fixedly connected with second screw rod 91, the front end of the second screw rod 91 is fixedly connected with sliding rod 93, the output end of the second micro servo motor 95 on the right side is fixedly connected with sliding rod 93, the front end of the sliding rod 93 on the right side is fixedly connected with third screw rod 94, the outside of the second screw rod 91 and third screw rod 94 is fixedly connected with first nut pair 92 in thread, the outside of the sliding rod 93 is fixedly connected with second sliding block 96 in sliding.
[0025] Please refer to the attached drawings Figure 3 The second slider 96 and the first nut pair 92 on the front side are penetrated and rotationally connected with the second lens 7, the second slider 96 and the first nut pair 92 on the back side are penetrated and rotationally connected with the first lens 6, the inner wall of the lens 1 is fixedly connected with the aperture 5 on the front side, and the inner wall of the aperture 5 is provided with a plurality of aperture plates 51.
[0026] Please refer to the attached drawings Figure 3 The inner wall top and bottom of the lens 1 are provided with the angle adjusting assembly 8.
[0027] Please refer to the attached drawings Figure 4 The angle adjusting assembly 8 comprises the first micro servo motor 81 fixed on the inner wall top and bottom of the lens 1 and the slide rail 83 fixed on the inner wall top and bottom of the lens 1, the output end of the first micro servo motor 81 is fixedly connected with the first screw rod 82, the inside of the slide rail 83 is penetrated and slidably connected with the first slider 84, the first slider 84 is penetrated and threadedly connected with the first screw rod 82, and the first slider 84 and the first lens 6 on the bottom are hingedly connected with the first slider 84 and the second lens 7 on the top.
[0028] Please refer to the attached drawings Figure 1 , Figure 5 The top of the lens 1 is penetrated and fixedly connected with the laser range finder 2, the front side of the lens 1 is penetrated and fixedly connected with the front protective lens 3, the back side of the lens 1 is penetrated and fixedly connected with the back protective lens 10, the top of the third lens 11 is fixedly connected with the third slider 111, and the bottom of the third lens 11 is fixedly connected with the second nut pair 112.
[0029] Please refer to the attached drawings Figure 2 The back side of the lens 1 is provided with the mounting thread 4, and the back side of the inner wall of the lens 1 is provided with the fine adjustment assembly 12.
[0030] In this embodiment, first through the lens 1 top fixed laser range finder 2, measure the current distance between the target object and the lens, get the basic data, clear the required working distance adjustment range, according to the ranging results, according to the demand, start the left second micro servo motor 95 and the bottom of the first micro servo motor 81 to drive the second screw rod 91 and the first screw rod 82 to rotate, so that the first nut pair 92 and the first slider 84 with the first nut pair 92 and the first screw rod 82 to drive the first lens 6 to move forward and backward in the inside of the lens 1, so as to adjust the distance between the first lens 6 and the second lens 7 or the distance between the first lens 6 and the third lens third slider 11, and the start of the right second micro servo motor 95 and the top first screw rod 82 will drive the second lens 7 to move forward in the inside of the lens 1, so as to approach the front protective lens 3 of the front side of the lens 1, so as to increase the working distance of the lens 1, and the separate start of the top or bottom first screw rod 82 can make the first slider 84 move in the slide rail 83, and through the hinge plate 85, the first lens 6 and the second lens 7 can be rotated with the movement of the first slider 84, so as to realize the angle adjustment of the first lens 6 and the second lens 7. Embodiment two
[0031] Based on the above embodiment 1, please refer to the attached Figure 5 , the fine adjustment assembly 12 includes a knob 121 and a fourth screw rod 124 which is connected through and rotates in the rear side of the inner wall of the lens 1 and a fixed rod 125 which is fixed through and in the top of the rear side of the inner wall of the lens 1, the front end of the fourth screw rod 124 is fixedly connected with a gear 123, the inner wall of the knob 121 is fixedly connected with a tooth ring 122 which is distributed uniformly, and the tooth ring 122 is meshed with the gear 123.
[0032] Please refer to the attached Figure 5 , the fixed rod 125 is connected through and slides with the third slider 111, and the fourth screw rod 124 is connected through and screwed with the second nut pair 112;
[0033] In this embodiment, rotating the knob 121 drives the tooth ring 122 to rotate, and the rotation of the tooth ring 122 drives the gear 123 meshed with it to rotate, and then drives the fourth screw rod 124 to rotate, so that the second nut pair 112 can move axially along the fourth screw rod 124, and since the third lens third slider 11 is fixedly connected with the second nut pair 112, it will move together with the second nut pair 112, thereby realizing slight adjustment of the position of the third lens third slider 11 in the inside of the lens 1, so that the image of the image is clearer.
[0034] The working principle and use process of the utility model are: first, the laser range finder 2 is fixed through the top of the lens 1, the current distance between the target object and the lens is measured, the basic data is obtained, the required working distance adjustment range is clear, according to the ranging result, the left second micro servo motor 95 is started as required, the second screw rod 91 is driven to rotate, the first nut pair 92 connected with the second screw rod 91 is moved along the screw rod, at the same time, the right second micro servo motor 95 can also be started as required, the related components are operated, the slide rod 93 guarantees the stable structure, the first nut pair 92 and the second slide block 96 stably push the first lens 6 and the second lens 7, if the working distance is greatly increased, the bilateral motor is coordinated, the lenses are separated or close to the specific position, the lens spacing combination is changed, the focal length and the working distance are adapted.
[0035] When the screen has inclination, deviation and other angle problems, it is determined whether the first lens 6 or the second lens 7 is adjusted, or the two are linked to fine-tune, the bottom first micro servo motor 81 is started, the first screw rod 82 is driven to rotate, the first slide block 84 is made to slide on the slide rail 83, the top or bottom motor is started alone, the hinge plate 85 is used to change the lens pitch and inclination angle, the upper and lower motors are coordinated to realize complex angle fine-tuning and calibrate the screen horizontal and vertical angle.
[0036] If the imaging is not clear and sharp, the locking fine-tuning assembly 12 is locked, the knob 121 is slowly rotated manually, the gear ring 122 is driven to rotate, the meshed gear 123 is linked to move, the fourth screw rod 124 is stably rotated, the second nut pair 112 is axially displaced due to the threaded connection between the fourth screw rod 124 and the second nut pair 112, the third lens 11 fixed thereon is followed, the fixed rod 125 is used to assist positioning and stable sliding, until the screen is clearly presented in the best effect.
Claims
1. An optical lens for working distance boosting, comprising a lens (1), a first lens (6), a third lens (11) and a second lens (7), characterized in that, The inner wall of the lens (1) is provided with distance adjusting assemblies (9) on both sides; The distance adjusting assemblies (9) comprise two second micro servo motors (95) penetrating and fixed on the left and right sides of the inside of the lens (1), the output end of the second micro servo motor (95) on the left side is fixedly connected with a second screw rod (91), the front end of the second screw rod (91) is fixedly connected with a sliding rod (93), the output end of the second micro servo motor (95) on the right side is fixedly connected with a sliding rod (93), the front end of the sliding rod (93) on the right side is fixedly connected with a third screw rod (94), the outside of the second screw rod (91) and the third screw rod (94) penetrates and is threadedly connected with a first nut pair (92), and the outside of the sliding rod (93) penetrates and is slidingly connected with a second sliding block (96).
2. The optical lens for working distance boosting according to claim 1, characterized in that: The front second sliding block (96) and the first nut pair (92) are penetratingly and rotatably connected with the second lens (7), the rear second sliding block (96) and the first nut pair (92) are penetratingly and rotatably connected with the first lens (6), the inner wall of the lens (1) is fixedly connected with an aperture (5) on the front side, and the inner wall of the aperture (5) is provided with a plurality of aperture plates (51).
3. The optical lens for working distance boosting according to claim 1, wherein: The inner wall of the lens (1) is provided with angle adjusting assemblies (8) on the top and the bottom.
4. The optical lens for working distance boosting according to claim 3, wherein: The angle adjusting assemblies (8) comprise a first micro servo motor (81) fixed on the top and the bottom of the inside of the lens (1) and a sliding rail (83) fixed on the top and the bottom of the inner wall of the lens (1), the output end of the first micro servo motor (81) is fixedly connected with a first screw rod (82), the inside of the sliding rail (83) penetrates and is slidingly connected with a first sliding block (84), the first sliding block (84) is penetratingly and threadedly connected with the first screw rod (82), and the first sliding block (84) on the bottom and the first lens (6) are hingedly connected with the first sliding block (84) on the top and the second lens (7).
5. The optical lens for working distance boosting according to claim 1, wherein: The lens (1) penetrates and is fixedly connected with a laser range finder (2) on the top, penetrates and is fixedly connected with a front protective lens (3) on the front side, penetrates and is fixedly connected with a rear protective lens (10) on the rear side, the top of the third lens (11) is fixedly connected with a third sliding block (111), and the bottom of the third lens (11) is fixedly connected with a second nut pair (112).
6. The optical lens for working distance boosting according to claim 1, wherein: The rear side of the lens (1) is provided with mounting threads (4), and the rear side of the inner wall of the lens (1) is provided with a fine adjustment assembly (12).
7. The optical lens for working distance boosting according to claim 6, wherein: The fine adjustment assembly (12) comprises a knob (121), a fourth screw rod (124) penetrating and rotatably connected on the rear bottom of the inner wall of the lens (1), and a fixed rod (125) penetrating and fixed on the rear top of the inner wall of the lens (1), the front end of the fourth screw rod (124) is fixedly connected with a gear (123), the inner wall of the knob (121) is fixedly connected with a tooth ring (122) distributed uniformly, and the tooth ring (122) is meshingly connected with the gear (123).
8. The optical lens for working distance boosting according to claim 7, wherein: The fixed rod (125) is penetrated by the third sliding block (111) and is in sliding connection, and the fourth screw rod (124) is penetrated by the second nut pair (112) and is in threaded connection.