Universal light beam adjusting device

Abstract

The utility model relates to the technical field of optical devices, in particular to a universal light beam adjusting device, which comprises a lens barrel, a calibration assembly, a first positioning frame and a plurality of adjusting frames, the adjacent adjusting frames mutually slide in the direction perpendicular to a first axis, and the sliding direction of each adjusting frame is arranged at an angle; the cross-shaped positioning assembly is fixedly arranged on the side, away from the lens barrel, of the first positioning frame so as to position and support the lens barrel; the adjusting assembly comprises a limiting frame and a plurality of adjusting bolts, the part, away from the calibration assembly, of the lens barrel movably penetrates through the limiting frame, the multiple adjusting bolts surround the limiting frame and adjustably penetrate through the limiting frame, and the multiple adjusting bolts finely adjust the angle, with the cross positioning assembly as the center, of the lens barrel. Accurate positioning of light beams in a target area is ensured, position errors are reduced, multi-dimensional fine adjustment can be achieved, manufacturing and assembling errors are effectively compensated, and high-precision operation of an optical system is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical device technical field, especially relate to a light beam universal adjusting device. BACKGROUND

[0002] In an optical system, the lens barrel serves as a core mechanical structure for fixing and supporting lenses, and its design and manufacturing precision directly affect the transmission quality of the light beam and the positioning precision of the target area. The main function of the lens barrel is to ensure the accurate alignment and stable fixation of optical elements (such as lenses, mirrors, etc.), so as to realize the optical functions of collimation, focusing, beam expansion, or shaping of the light beam.

[0003] However, in actual application, due to manufacturing errors, assembly errors, and environmental factors, such as temperature changes and mechanical vibrations, the light beam emitted by the lens barrel often has position errors in the target area, resulting in a decline in the performance of the optical system. SUMMARY

[0004] The utility model aims at providing a light beam universal adjusting device to solve the problem of light beam position error in the prior art lens barrel.

[0005] The technical scheme of the utility model is: a light beam universal adjusting device, comprising: a lens barrel, a calibration assembly, including a first positioning frame and a plurality of adjusting frames, the plurality of adjusting frames are sequentially movably connected to the same side of the first positioning frame along a first axis, the adjacent adjusting frames slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame is angularly arranged; a cross positioning assembly is fixedly arranged on the side of the first positioning frame away from the lens barrel to position and support the lens barrel; an adjusting assembly includes a limiting frame and a plurality of adjusting pins, the part of the lens barrel away from the calibration assembly movably passes through the limiting frame, the plurality of adjusting pins surround the limiting frame and movably pass through the limiting frame, and a plurality of adjusting pins finely adjust the pitch angle of the lens barrel with the cross positioning assembly as the center.

[0006] Preferably, the adjusting frame comprises a first frame body and a second frame body, the first positioning frame is provided with a positioning groove, the side surface of the first frame body towards the first positioning frame protrudes a first sliding block, the side surface of the first frame body towards the second frame body is provided with a first guide groove, the second frame body protrudes a second sliding block, the first sliding block is slidably connected in the positioning groove, the second sliding block is slidably connected in the first guide groove, and the sliding direction of the first sliding block is perpendicular to the sliding direction of the second sliding block.

[0007] Preferably, the calibration assembly is further provided with a first adjusting knob and a second adjusting knob, the first adjusting knob is movably arranged through the first positioning frame and is threadedly connected to the first frame body, the first adjusting knob is fixedly provided with a first guide portion abutting against the first positioning frame, and the advancing direction of the first adjusting knob is parallel to the advancing direction of the first slider; the second adjusting knob is movably arranged through the first frame body and is threadedly connected to the first frame body, the second adjusting knob is fixedly provided with a second guide portion abutting against the first frame body, and the advancing direction of the second adjusting knob is parallel to the advancing direction of the second slider.

[0008] Preferably, the plurality of adjusting pins are coaxially arranged in two groups, and the axes of the two adjusting pins in each group intersect the first axis.

[0009] Preferably, the end of the adjusting pin is movably connected with a pressure distribution block, and the pressure distribution block is in contact with the outer wall of the lens barrel.

[0010] Preferably, the cross positioning assembly comprises a first mounting frame and a second mounting frame, the first mounting frame is fixedly arranged on the side of the first positioning frame away from the first frame body, the second mounting frame is fixedly arranged on the outer circumferential side of the first mounting frame, the second mounting frame is used for supporting one end of the lens barrel, and the central axis of the first mounting frame and the central axis of the second mounting frame are coaxial with the first axis.

[0011] Preferably, the first mounting frame is provided with at least one pair of first connecting pins, the first connecting pins are coaxially arranged, the first connecting pins are perpendicular to the first axis, and the first connecting pins fixedly connect the first mounting frame and the second mounting frame.

[0012] Preferably, there is a gap between the outer wall of the hollow first mounting frame and the inner wall of the hollow second mounting frame, and there is a gap between the second mounting frame and the first positioning frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The plurality of adjusting frames in the calibration assembly are movably connected along the first axis, adjacent adjusting frames can slide in the direction perpendicular to the first axis, and the sliding direction of each adjusting frame is arranged at an angle. This multi-direction adjusting mechanism can accurately adjust the position of the lens barrel, ensure the accurate positioning of the light beam in the target area, reduce the position error, the limiting frame and the plurality of adjusting pins in the adjusting assembly surround the lens barrel, the adjusting pins can finely adjust the pitch angle of the lens barrel, the lens barrel is accurately adjusted with the cross positioning assembly as the center, and this multi-dimensional fine adjustment function can effectively compensate the manufacturing and assembly errors, and ensure the high-precision operation of the optical system. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model discloses a kind of cross positioning assemblies, which are used for adjusting the direction of light beam.

[0016] Figure 1 A structure diagram of a light beam universal adjusting device is described in the utility model.

[0017] Figure 2 An exploded structure diagram of a calibration assembly is described in the utility model.

[0018] Figure 3 A sectional structure diagram of a calibration assembly is described in the utility model.

[0019] Figure 4 A structure diagram of a cross positioning assembly is described in the utility model.

[0020] Figure 5 A sectional structure diagram of an adjusting assembly is described in the utility model.

[0021] Explanation of reference signs:

[0022] 1, lens barrel; 11, pressure dividing plane; 2, calibration assembly; 21, first positioning frame; 211, positioning groove; 212, positioning protrusion; 22, adjusting frame; 23, first frame body; 231, first sliding block; 232, first guide groove; 233, guide protrusion; 24, second frame body; 241, second sliding block; 25, first adjusting knob; 251, first guide part; 26, second adjusting knob; 261, second guide part; 3, cross positioning assembly; 31, first mounting frame; 32, second mounting frame; 33, first connecting pin; 34, second connecting pin; 4, adjusting assembly; 41, limiting frame; 42, adjusting bolt; 43, pressure dividing block. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the utility model clearer, the utility model technical scheme will be described clearly and completely in combination with specific embodiments and corresponding drawings of the utility model below. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] The embodiments of the utility model will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0025] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0026] As shown in Figure 1 A light beam universal adjusting device, comprising a lens barrel 1, a calibration assembly 2 and a cross positioning assembly 3, the lens barrel 1 is built-in with a lens group, the light beam entering the incident end of the lens barrel 1 is processed, so that the light beam is emitted from the exit end of the lens barrel 1 and focused on a target area. The calibration assembly 2 is fixedly arranged at the exit end of the lens barrel 1, the calibration assembly 2 adjusts the position of the lens barrel 1 in the plane perpendicular to the axis direction of the lens barrel 1, and the cross positioning assembly 3 is fixedly arranged at the end of the calibration assembly 2 away from the lens barrel 1. An adjusting assembly 4 is movably arranged on the outer wall close to the incident end of the lens barrel 1. In the embodiment, the adjusting assembly 4 and the cross positioning assembly 3 are fixedly arranged on a rack (not shown in the figure). The adjusting assembly 4 swings the lens barrel 1 in the pitch angle around the cross positioning assembly 3. The adjusting assembly 4 and the calibration assembly 2 cooperate to finely adjust the position and angle of the lens barrel 1, thereby effectively solving the problem of light beam position error in the lens barrel 1.

[0027] As shown in Figure 2 And Figure 3 The calibration assembly 2 comprises a first positioning frame 21 and a plurality of adjusting frames 22, and the plurality of adjusting frames 22 are movably connected to the same side of the first positioning frame 21 along the first axis in sequence. Specifically, the plurality of adjusting frames 22 are located between the exit end of the lens barrel 1 and the first positioning frame 21, and the first positioning frame 21 is fixedly connected to the cross positioning assembly 3 to play a supporting and positioning role through the cross positioning assembly 3.

[0028] The first positioning frame 21 and the plurality of adjusting frames 22 are both hollow structures to avoid blocking the light beam emitted from the exit end of the lens barrel 1. The two adjacent adjusting frames 22 slide relative to each other in the direction perpendicular to the first axis, and the sliding direction of each adjusting frame 22 is arranged at an angle. Specifically, each adjusting frame 22 is parallel to each other, and when each adjusting frame 22 moves, it can drive the lens barrel 1 to produce a translation perpendicular to the first axis relative to the first positioning frame 21, and each adjusting frame 22 can control the movement of the lens barrel 1 in one direction, so the corresponding number and / or corresponding angle of adjusting frames 22 can be set according to the specific implementation scene to ensure that the translation of the lens barrel 1 relative to the first axis can meet the design requirements.

[0029] In the embodiment, an implementation is exemplarily shown, the number of the adjusting frames 22 is two, that is, the adjusting frames 22 include the first frame body 23 and the second frame body 24, the first frame body 23 and the second frame body 24 are both configured as hollow rectangular frame structures, the first frame body 23 is in sliding connection with the first positioning frame 21, the second frame body 24 is in sliding connection with the first frame body 23, the second frame body 24 is in fixed connection with the exit end of the lens barrel 1, the first positioning frame 21, the first frame body 23 and the second frame body 24 are parallel to each other, and all are perpendicular to the first axis.

[0030] It is worth noting that the first axis is the central axis of the lens barrel 1, for the convenience of description, the first axis is a horizontal axis, and the plane perpendicular to the first axis is a vertical plane.

[0031] The side surface of the first positioning frame 21 facing the first frame body 23 is provided with a positioning groove 211, the first frame body 23 protrudes a first sliding block 231 towards the first positioning frame 21, the first sliding block 231 is in sliding connection in the positioning groove 211, and the first positioning frame 21 is attached to the first frame body 23, so that only relative dislocation sliding between the first positioning frame 21 and the first frame body 23 is generated, avoiding introducing other position errors.

[0032] The side surface of the first frame body 23 facing the second frame body 24 is provided with a first guide groove 232, the second frame body 24 protrudes a second sliding block 241 towards the first frame body 23, the second sliding block 241 is in sliding connection in the first guide groove 232, the first frame body 23 is attached to the second frame body 24, so that only relative dislocation sliding between the first frame body 23 and the second frame body 24 is generated, and the sliding directions of the first frame body 23 and the second frame body 24 are angularly arranged. Preferably, the first guide groove 232 and the positioning groove 211 are both rectangular grooves, and the length direction of the first guide groove 232 and the length direction of the positioning groove 211 are perpendicular to each other, that is, the sliding directions of the first sliding block 231 and the second sliding block 241 are perpendicular to each other.

[0033] The calibration assembly 2 is further provided with a first adjusting knob 25 and a second adjusting knob 26. The first positioning frame 21 protrudes a positioning lug 212 towards the side of the first frame body 23, and the positioning lug 212 is close to the outer circumferential side of the first frame body 23. The first adjusting knob 25 passes through the positioning lug 212, that is, the first adjusting knob 25 is in sliding connection with the positioning lug 212. The moving direction of the first adjusting knob 25 is parallel to the moving direction of the first sliding block 231. The end of the first adjusting knob 25 is a threaded segment. After the first adjusting knob 25 passes through the positioning lug 212, the first adjusting knob 25 is in threaded connection with the outer circumferential side of the first frame body 23. The first adjusting knob 25 is fixedly provided with a first guide portion 251 abutting against the positioning lug 212. The diameter of the first guide portion 251 is greater than that of the threaded segment of the first adjusting knob 25. During the screwing of the first adjusting knob 25 and the first frame body 23, the first guide portion 251 abuts against the positioning lug 212, and the first guide portion 251 forces the first frame body 23 to slide along the length direction of the positioning groove 211 relative to the first positioning frame 21, thereby driving the lens barrel 1 to translate along the length direction of the positioning groove 211 relative to the first positioning frame 21.

[0034] The first frame body 23 protrudes a guide lug 233 towards the side of the second frame body 24, and the guide lug 233 is close to the outer circumferential side of the second frame body 24. The second adjusting knob 26 passes through the guide lug 233, that is, the second adjusting knob 26 is in sliding connection with the guide lug 233. The moving direction of the second adjusting knob 26 is parallel to the moving direction of the second sliding block 241. The end of the second adjusting knob 26 is a threaded segment. After the second adjusting knob 26 passes through the guide lug 233, the second adjusting knob 26 is in threaded connection with the outer circumferential side of the second frame body 24. The second adjusting knob 26 is fixedly provided with a second guide portion 261 abutting against the guide lug 233. The diameter of the second guide portion 261 is greater than that of the threaded segment of the second adjusting knob 26. During the screwing of the second adjusting knob 26 and the second frame body 24, the second guide portion 261 abuts against the guide lug 233, and the second guide portion 261 forces the second frame body 24 to slide along the length direction of the first guide groove 232 relative to the first frame body 23, thereby driving the lens barrel 1 to translate along the length direction of the first guide groove 232 relative to the first frame body 23.

[0035] As shown in FIG. 1, Figure 4 The cross positioning assembly 3 includes a first mounting frame 31 and a second mounting frame 32. Both the first mounting frame 31 and the second mounting frame 32 are hollow annular frame structures. The first mounting frame 31 is fixedly connected to the side of the first positioning frame 21 away from the first frame body 23. The central axis of the first mounting frame 31, the central axis of the first positioning frame 21 and the central axis of the adjusting frame 22 are coaxial with the first axis. The light beam emitted from the exit end of the lens barrel 1 can pass through the adjusting frame 22, the first positioning frame 21 and the first mounting frame 31, and then be focused on the target region.

[0036] Specifically, the inner diameter of the second mounting frame 32 is greater than the outer diameter of the first mounting frame 31, the second mounting frame 32 is sleeved outside the first mounting frame 31, the first mounting frame 31 is provided with a first connecting pin 33 and a second connecting pin 34, the first connecting pin 33 is two, the two first connecting pins 33 are coaxially arranged, and the axis is perpendicular to the first axis, and the first connecting pin 33 is fixedly connected with the first mounting frame 31 and the second mounting frame 32. Preferably, the outer profile of the first mounting frame 31 and the inner profile of the second mounting frame 32 are both rectangular, and in the axial direction of the first connecting pin 33, the outer wall of the first mounting frame 31 and the inner wall of the second mounting frame 32 are fitted.

[0037] The second connecting pin 34 is two, the two second connecting pins 34 are coaxially arranged, and the axis is perpendicular to the first axis and the axis of the first connecting pin 33. The second connecting pin 34 fixedly connects the rack and the second mounting frame 32, and the second mounting frame 32 leaves a gap between the first mounting frame 31 in the axial direction of the second connecting pin 34, specifically, the two sides of the first mounting frame 31 along the axial direction of the second connecting pin 34 are both left with a gap with the second mounting frame 32, and the outer wall of the second mounting frame 32 is fitted between the rack.

[0038] As shown in the figure, Figure 5 The adjusting assembly 4 includes a limiting frame 41 and a plurality of adjusting pins 42, the limiting frame 41 is a hollow frame structure, the part of the lens barrel 1 away from the calibration assembly 2 passes through the limiting frame 41, the outer diameter of the lens barrel 1 is smaller than the inner diameter of the limiting frame 41, and the lens barrel 1 can swing in the limiting frame 41, that is, the lens barrel 1 realizes the adjustment of the pitch angle in the limiting frame 41.

[0039] Specifically, the plurality of adjusting pins 42 are distributed around the limiting frame 41, each adjusting pin 42 is threadedly connected to the limiting frame 41, the adjusting pin 42 passes through the limiting frame 41 from the outer side wall of the limiting frame 41 along the radial direction of the limiting frame 41, the end of the adjusting pin 42 abuts against the outer wall of the lens barrel 1, and the position of the lens barrel 1 is adjusted by the rotation feed amount of the adjusting pin 42.

[0040] Preferably, the adjusting pin 42 is four, wherein two adjusting pins 42 constitute a first adjusting structure on the same axis, and the other two adjusting pins 42 constitute a second adjusting structure on another axis, the two axes are perpendicular to each other and intersect at the first axis. The first adjusting structure and the second adjusting structure independently adjust the pitch angle of the lens barrel 1.

[0041] More preferably, the adjusting pin 42 movably connects a pressure distribution block 43, the pressure distribution block 43 is connected one-to-one with the end of the adjusting pin 42, the pressure distribution block 43 is a rectangular block, the outer wall of the lens barrel 1 is provided with a plurality of pressure distribution planes 11, and the bottom surface of the pressure distribution block 43 abuts against the pressure distribution plane 11 of the lens barrel 1, so as to avoid the stress concentration of the adjusting pin 42 on the lens barrel 1.

[0042] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application, therefore, from any point of view, the examples should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A beam goniometer device, characterized by The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged. The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged. The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged. The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged. The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged.

2. A goniometer device for optical beams according to claim 1, characterized in that: The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged.

3. A gimballed optical beam steering device according to claim 2, wherein: The utility model relates to a lens barrel (1) and a calibration assembly (2) are provided, the calibration assembly (2) is connected with the lens barrel (1) and is used for the calibration of the lens barrel (1), the calibration assembly (2) includes a first positioning frame (21) and a plurality of adjusting frames (22), and the plurality of adjusting frames (22) are sequentially movably connected on the same side of the first positioning frame (21) along a first axis, the adjacent adjusting frames (22) slide relative to each other in a direction perpendicular to the first axis, and the sliding direction of each adjusting frame (22) is angularly arranged. ​ 4. A goniometer device for optical beams according to claim 1, characterized in that: ​ 5. A gimballed optical beam steering device according to claim 4, wherein: ​ 6. A goniometer device for optical beams as claimed in claim 2, characterized in that: The cross positioning assembly (3) comprises a first mounting frame (31) and a second mounting frame (32), the first mounting frame (31) is fixed on the side of the first positioning frame (21) away from the first frame body (23), the second mounting frame (32) is fixed on the outer circumferential side of the first mounting frame (31), the second mounting frame (32) is used for supporting one end of the lens barrel (1), the central axis of the first mounting frame (31) and the central axis of the second mounting frame (32) are coaxial with the first axis.

7. A gimballed optical beam steering device according to claim 6, wherein: The first mounting frame (31) is provided with at least one pair of first connecting pins (33), and a pair of first connecting pins (33) are coaxially arranged, the first connecting pin (33) is perpendicular to the first axis, and the first connecting pin (33) fixedly connects the first mounting frame (31) and the second mounting frame (32).

8. A gimballed optical beam steering device according to claim 7, wherein: There is a gap between the outer wall of the hollow first mounting frame (31) and the inner wall of the hollow second mounting frame (32), and there is a gap between the second mounting frame (32) and the first positioning frame (21).

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