Focusing tool

Abstract

The utility model relates to a kind of focusing tool, including pedestal, pedestal is plate-like;Supporting plate, supporting plate is set on the board surface of pedestal and extends along the vertical direction of pedestal;At least one adjusting plate, the side wall of adjusting plate is rotatably connected with the side wall of supporting plate by rotating connecting piece, and the axis of rotating connecting piece is perpendicular to the extension direction of adjusting plate;Through hole is opened in the board surface of adjusting plate, and at least one focusing lens barrel, focusing lens barrel is sleeved with through hole.This focusing tool is set along vertical direction extending supporting plate on pedestal, and rotatable adjusting plate is arranged at supporting plate side wall, the controllable adjustment of focusing lens barrel in space angle is realized, so that focusing process has higher flexibility and operability.Adjusting plate uses rotatable connecting structure and is provided with the through hole that can be clamped, and by clamping gap cooperation fastener, stable clamping force can be formed to focusing lens barrel.

Description

Technical Field

[0001] This utility model relates to the field of optical equipment technology, and specifically to a focusing tool. Background Technology

[0002] In the debugging, assembly, and testing of optical equipment, fine focusing and alignment operations at multiple angles and positions are often required for optical barrels, optical path components, or imaging devices. Existing focusing fixtures typically use fixed supports combined with simple sliding or rotating sleeve structures to achieve focusing adjustments. However, traditional structures often have shortcomings in terms of angle adjustment range, clamping stability, and barrel positioning accuracy. On the one hand, the adjustable range of conventional support structures is limited, making it difficult to meet the needs of complex optical paths or multi-angle debugging scenarios. On the other hand, common barrel fixing methods are mostly sleeve or threaded fixation, which are prone to loosening and wobble during adjustment, thus affecting the consistency of the optical axis and reducing focusing accuracy. In addition, some fixtures lack damping and retaining structures when adjusting angles, and after adjustment, angle drift is easily caused by external forces or self-weight, introducing instability factors into actual focusing and testing.

[0003] As optical systems evolve towards miniaturization, precision, and multifunctionality, higher demands are placed on focusing fixtures regarding their multi-angle adjustment capabilities, positional stability, ease of operation, and positioning accuracy. Traditional fixtures struggle to simultaneously achieve both adjustment flexibility and structural stability, exhibiting technical problems such as insufficient flexibility and poor versatility. Furthermore, the integration of optical components, detectors, and control units often results in complex layouts and difficulties in maintenance. Therefore, there is an urgent need for a focusing fixture that can achieve angle adjustment, reliable clamping, precise positioning, and overall optical inspection capabilities to address the shortcomings of existing technologies in terms of focusing stability, optical path alignment efficiency, and universal applicability. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art. This application provides a focusing tool to solve the technical problems of insufficient flexibility and poor versatility in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a focusing fixture, comprising: a base, the base being plate-shaped; a support plate, the support plate being disposed on the plate surface of the base and extending along the vertical direction of the base; at least one adjusting plate, the sidewall of the adjusting plate being rotatably connected to the sidewall of the support plate via a rotating connector, and the axis of the rotating connector being perpendicular to the extending direction of the adjusting plate; a through mounting hole is provided on the plate surface of the adjusting plate. By fitting the focusing lens barrel into the mounting hole, controllable adjustment of the focusing lens barrel in spatial angle is achieved, making the focusing process more flexible and operable. Moreover, the focusing lens barrel can change its orientation as the adjusting plate rotates, enabling rapid adjustment of the focusing lens barrel angle.

[0006] Preferably, the focusing fixture is provided with multiple adjusting plates, which are spaced apart along the vertical extension direction of the support plate. This design facilitates independent focusing at multiple imaging points or focal lengths. The spaced arrangement avoids interference between the adjusting plates, allowing each plate to be adjusted independently, thus improving ease of operation and adaptability.

[0007] Preferably, the adjusting plate has a clamping gap at one end in the width direction, extending from the outer wall of the adjusting plate in the width direction to the mounting hole. The clamping gap is divided into opposing first clamping portions and second clamping portions on both sides along the length direction of the adjusting plate. A first connecting hole is formed at one end of the first clamping portion along the length direction of the adjusting plate, extending along the length direction of the adjusting plate and penetrating the clamping gap. A second connecting hole is formed at one end of the second clamping portion along the length direction of the adjusting plate and near the first clamping portion, coaxially corresponding to the first connecting hole. The focusing fixture also includes fasteners that sequentially pass through the first connecting hole and the second connecting hole, locking the first clamping portion and the second clamping portion together. Through the clamping gap structure and the fasteners, the focusing lens barrel can achieve fastening, limiting, and fine adjustment, preventing loosening of the lens barrel and improving focusing accuracy. This structure is simple and reliable, facilitating quick assembly and disassembly of the lens barrel and improving clamping efficiency.

[0008] Preferably, one end of the support plate along its length is fixed to the base via a fixing block. The fixing block and the base are rotatably connected via a rotating shaft, the axis of which is parallel to the extension direction of the support plate. By providing a rotatable fixing block between the support plate and the base, the support plate itself has angle adjustment capability, further expanding the overall adjustment range of the tooling. The bottom end of the support plate is mounted on the base via a fixing block, and a rotating shaft is provided between the fixing block and the base, allowing the support plate to rotate around this rotating shaft. The axis of the rotating shaft is parallel to the extension direction of the support plate, enabling directional adjustment of the support plate.

[0009] Preferably, the fixing block includes at least one support portion and at least one extension portion. The support portion is disposed on the plate surface of the base and extends along the vertical direction of the base. The extension portion extends horizontally outward from the support portion, and is located at one end near the base. The extension portion has a mounting groove along its thickness direction; wherein, the mounting groove of the extension portion is connected to the base via the rotating shaft. The combination of the support portion and the extension portion increases adjustment stability and avoids direct interference between the support plate and the base. At the same time, the mounting groove facilitates adjustment and assembly, improving assembly efficiency.

[0010] Preferably, the width direction of the support portion is parallel to the width direction of the support plate, and the length direction of the extension portion is parallel to the thickness direction of the support plate. This increases the contact area between the support portion and the support plate, improving the fixing stability; moreover, the directional arrangement of the support portion and the extension portion of the fixing block ensures the reasonable transmission of structural forces, enabling the focusing mechanism to maintain high stability even in frequent adjustment scenarios.

[0011] Preferably, a damping sleeve is fitted onto the rotating shaft. The outer circumferential surface of the damping sleeve is interference-fitted with the inner wall of the mounting groove of the extension, and the inner circumferential surface of the damping sleeve is tightly fitted with the rotating shaft. Through this design, the introduction of a damping sleeve into the structure provides a damping holding function during the rotation of the support plate, allowing it to stably remain at any set angle, avoiding displacement caused by vibration or its own weight, and improving the controllability and repeatability of angle adjustment. This avoids the problems of vibration displacement, loosening, or inaccurate positioning that occur in traditional undamped structures.

[0012] Preferably, the support plate has a through hole along its thickness direction, and the through hole is located at the end away from the base; the rotating connector includes a rotating shaft and a locking member, the rotating shaft passing through the through hole of the support plate, wherein one end of the rotating shaft is fixed to the side wall of the adjusting plate, and the other end of the rotating shaft is threadedly engaged with the locking member. With the above design, the adjusting plate can rotate freely around the rotating shaft, and the locking force can be adjusted by the locking member to achieve angle fixation, thereby enhancing stability.

[0013] Preferably, the inner wall of the mounting hole is provided with at least one first positioning protrusion along the circumferential direction. The first positioning protrusion engages with the outer wall of the focusing lens barrel, i.e., the end of the focusing lens barrel contacts the first positioning protrusion, to achieve positioning and thus enable rapid positioning and installation of the focusing lens barrel within the mounting hole, allowing the lens barrel to obtain a positioning reference within the mounting hole.

[0014] Preferably, the focusing fixture further includes: an optical component, a detector, a controller, a power supply, a first bracket, and a second bracket; the first bracket and the second bracket both have a U-shaped cross-section, and their openings face the base; the first bracket and the second bracket are stacked and fixed sequentially along a direction perpendicular to the base plate, and both the first bracket and the second bracket are located on one side of the base's length direction; the first bracket is fixed to the base plate and located on one side of the support plate; the optical component is mounted on the upper surface of the second bracket, and the detector is fixed to the upper surface of the first bracket; the controller is disposed on the base plate and located between the first bracket and the base; the power supply is fixed to the base plate and located on one side of the base's length direction, and the power supply is adjacent to the first bracket; wherein, the power supply is electrically connected to the focusing lens barrel, the detector, and the controller via cables, and the controller is electrically connected to the detector and the focusing lens barrel via cables.

[0015] However, the first and second brackets are stacked in a U-shape along the vertical direction of the base, which facilitates installation and provides ample space for debugging. Simultaneously, the wiring is neat and organized, improving the maintainability and stability of the overall system. Furthermore, the first and second brackets allow the optical components, detectors, and controllers to be grouped together, resulting in a neat and compact layout. This reduces the impact of external interference on the focusing effect and improves operational stability. Additionally, this structure isolates the components, aiding in heat dissipation.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] This focusing fixture achieves controllable spatial angular adjustment of the focusing lens barrel by setting a support plate extending vertically on the base and arranging a rotatable adjustment plate on the side wall of the support plate. This makes the focusing process of the optical system more flexible and operable. The adjustment plate adopts a rotatable connection structure and is equipped with clamping mounting holes. Through the clamping gap and fasteners, a stable clamping force can be formed on the focusing lens barrel, ensuring reliable positioning of the lens barrel during focusing, thereby effectively improving optical axis consistency and focusing accuracy.

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is an exploded view of the adjustment plate and focusing lens barrel of this utility model.

[0021] Figure 3 This is a cross-sectional view of the adjusting plate of this utility model;

[0022] Figure 4 This utility model Figure 1 A magnified structural diagram of part A;

[0023] Figure 5 This is a schematic diagram of the main structure of this utility model;

[0024] Figure 6 This utility model Figure 5 A schematic diagram of the decomposed structure;

[0025] Figure 7 This is a three-dimensional structural diagram of the support plate of this utility model.

[0026] Reference numerals: 1. Base; 2. Support plate; 21. Through hole; 3. Adjustment plate; 31. Mounting hole; 32. Clamping gap; 33. First clamping part; 34. Second clamping part; 35. First connecting hole; 36. Second connecting hole; 37. Fastener; 4. Focusing lens barrel; 5. Rotating connector; 51. Rotating shaft; 52. Locking part; 6. Fixing block; 61. Support part; 62. Extension part; 63. Mounting groove; 7. Rotating shaft; 8. Optical component; 9. Detector; 10. Controller; 11. Power supply; 12. First bracket; 13. Second bracket. Detailed Implementation

[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Detachable installation methods are varied, such as through plug-in and snap-fit ​​connections, or through bolt connections, etc.

[0028] The present invention will now be described in more detail with reference to specific embodiments. However, the implementation of the present invention is not limited thereto. The embodiments are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. For process parameters or conditions not specifically specified, conventional techniques can be referred to.

[0029] Please see Figures 1-2As shown, the technical solution adopted in this specific embodiment is: a focusing fixture, comprising: a base 1, the base 1 being plate-shaped; a support plate 2, the support plate 2 being disposed on the plate surface of the base 1 and extending along the vertical direction of the base 1; at least one adjusting plate 3, the sidewall of the adjusting plate 3 being rotatably connected to the sidewall of the support plate 2 via a rotating connector 5, and the axis of the rotating connector 5 being perpendicular to the extending direction of the adjusting plate 3; a through mounting hole 31 being provided on the plate surface of the adjusting plate 3, and at least one focusing lens barrel 4, the focusing lens barrel 4 being sleeved with the mounting hole 31. The sidewall of the adjusting plate 3 is its length direction sidewall; the sidewall of the support plate 2 is its thickness direction sidewall.

[0030] In this embodiment, the focusing fixture includes a plate-shaped base 1. A support plate 2 is vertically mounted on the plate surface of the base 1, extending along the vertical direction of the base 1, and is used to support the adjusting plate 3. At least one adjusting plate 3 is arranged along its length, and its sidewall is rotatably connected to the sidewall of the support plate 2 via a rotating connector 5. The rotating connector 5 can be a rotating shaft structure or a pin structure, and its axis is perpendicular to the extension direction of the adjusting plate 3, allowing the adjusting plate 3 to swing around the axis within a certain angle range for adjusting the angle of the focusing lens barrel 4. A mounting hole 31 extending along the thickness direction is provided in the middle of the adjusting plate 3. At least one focusing lens barrel 4 is limited and fitted by the mounting hole 31, and its outer diameter is tightly fitted with the inner diameter of the mounting hole 31 to ensure stable assembly of the focusing lens barrel 4 and prevent shaking.

[0031] This design enables controllable adjustment of the focusing lens barrel 4 in spatial angle, providing greater flexibility and operability in the focusing process. Furthermore, it allows the focusing lens barrel 4 to change its orientation as the adjusting plate 3 rotates, enabling rapid adjustment of its angle. Additionally, the mounting hole 31 is a circular through hole, ensuring good axial positioning accuracy of the focusing lens barrel 4 during assembly and improving final focusing stability. It should be noted that the rotating connector 5 can be a combination of a bolt with a locking function and the rotating shaft 51 for locking after angle adjustment. Moreover, the cross-section of the mounting hole 31 can be designed as a stepped, two-stage hole to accommodate focusing lens barrels 4 of different sizes.

[0032] Please see Figure 1As shown, the focusing fixture is equipped with multiple adjusting plates 3, which are spaced apart along the vertical extension direction of the support plate 2. In this embodiment, each adjusting plate 3 is rotatably connected to the sidewall of the support plate 2 via a rotating connector 5, and is spaced apart along the vertical direction of the support plate 2. Furthermore, the multiple adjusting plates 3 are staggered in the height direction, allowing the focusing lens barrel 4 or optical mechanism to be installed at different heights, enabling multi-position and multi-height focusing operations. This design facilitates independent focusing at multiple imaging points or focal lengths. The spaced arrangement avoids interference between the adjusting plates 3, allowing each adjusting plate 3 to adjust its angle independently, improving ease of operation and adaptability. It should be noted that the spacing between the multiple adjusting plates 3 can be designed as equidistant or unequal according to usage requirements to adapt to different optical path layouts. Additionally, the multiple adjusting plates 3 can adopt a modular structure, allowing for quick disassembly and addition / removal via threaded holes and positioning pins to adapt to different optical combinations.

[0033] Please see Figure 2 As shown, the adjusting plate 3 has a clamping gap 32 at one end in the width direction. The clamping gap 32 extends from the outer side wall of the adjusting plate 3 in the width direction to the mounting hole 31. The clamping gap 32 is divided into a first clamping part 33 and a second clamping part 34 on both sides along the length direction of the adjusting plate 3. The first clamping part 33 has a first connecting hole 35 at one end along the length direction of the adjusting plate 3, and the first connecting hole 35 extends along the length direction of the adjusting plate 3 and passes through the clamping gap 32. The second clamping part 34 has a second connecting hole 36 at one end along the length direction of the adjusting plate 3 and near the first clamping part 33. The second connecting hole 36 is coaxial with the first connecting hole 35. The focusing fixture also includes a fastener 37, which passes through the first connecting hole 35 and the second connecting hole 36 in sequence and locks the first clamping part 33 and the second clamping part 34 together.

[0034] In this embodiment, each adjusting plate 3 has a clamping gap 32 extending from one end in the width direction. This clamping gap 32 extends from the outer side wall of the adjusting plate 3 in the width direction to the mounting hole 31, so that the adjusting plate 3 forms an elastically tightenable clamping structure at the mounting hole 31. A first clamping part 33 and a second clamping part 34 are formed on both sides of the clamping gap 32. A first connecting hole 35 is formed at one end of the first clamping part 33 along the length direction of the adjusting plate 3; a second connecting hole 36 is formed at the corresponding position of the second clamping part 34, and the two connecting holes are arranged coaxially. A fastener 37, such as a bolt and nut assembly, passes through the first connecting hole 35 and is fixed to the second connecting hole 36, so that the distance between the first clamping part 33 and the second clamping part 34 can be adjusted by the tightening degree of the fastener 37, thereby generating a clamping force on the focusing lens barrel 4 in the mounting hole 31. However, by using the clamping gap 32 structure in conjunction with the fastener 37, the focusing lens barrel 4 can achieve fastening, limiting, and fine adjustment, preventing loosening of the lens barrel and improving focusing accuracy. This structure is simple and reliable, facilitating quick assembly and disassembly of the lens barrel and improving clamping efficiency. It should be noted that the first connecting hole 35 and the second connecting hole 36 can be designed as elongated holes, allowing for a wider range of clamping force adjustment. In addition, the fastener 37 can be a tool-free adjusting threaded part with a hand-tightening head, facilitating quick on-site operation.

[0035] Please see Figure 1 As shown, one end of the support plate 2 along its length is fixed to the base 1 via a fixing block 6. The fixing block 6 and the base 1 are rotatably connected via a rotating shaft 7, the axis of which is parallel to the extending direction of the support plate 2. In this embodiment, the bottom end of the support plate 2 is mounted on the base 1 via the fixing block 6. A rotating shaft 7 is provided between the fixing block and the base 1, allowing the support plate 2 to rotate around the rotating shaft 7. The axis of the rotating shaft 7 is parallel to the extending direction of the support plate 2, enabling the support plate 2 to achieve directional adjustment. The fixing block 6 can be made of metal, with its bottom end engaging with the base 1. The rotating shaft 7 passes through the base 1 and connects to the fixing block 6. Furthermore, the support plate 2 can be adjusted in its overall direction via the rotating shaft 7, allowing the focusing lens barrel 4 to be adjusted within a wider range, significantly improving the versatility and adjustment freedom of the tooling. It should be noted that the fixing block 6 can have a stop structure, such as an arc-shaped limiting groove or a graduated angle scale, to provide a positioning function for angle adjustment. In addition, the connection between the fixing block 6 and the base 1 can adopt a spherical joint structure to achieve multi-dimensional angle adjustment.

[0036] Please see Figure 1 and Figure 4As shown, the fixing block 6 includes at least one support portion 61 and at least one extension portion 62. The support portion 61 is disposed on the plate surface of the base 1 and extends along the vertical direction of the base 1. The extension portion 62 extends horizontally outward from the support portion 61 and is located at one end close to the base 1. The extension portion 62 is provided with a mounting groove 63 along its thickness direction. The mounting groove 63 of the extension portion 62 is connected to the base 1 through the rotating shaft 7. In this embodiment, the fixing block 6 includes a support portion 61 extending vertically along the base 1, which is fixed to the surface of the base 1 to provide vertical support for the support plate 2. An extension portion 62 extends horizontally outward from the support portion 61, located at one end near the base 1. A mounting groove 63 is formed in the middle of the extension portion 62 along its thickness direction. The mounting groove 63 is used to mount the rotating shaft 7, enabling a reliable rotational connection between the extension portion 62 and the base 1 via the rotating shaft 7. The support plate 2 is supported as a whole by the support portion 61 and the extension portion 62 of the fixing block 6, achieving a stable installation. Furthermore, the combination of the support portion 61 and the extension portion 62 increases adjustment stability and prevents direct interference between the support plate 2 and the base 1. Simultaneously, the mounting groove 63 facilitates adjustment and assembly, improving assembly efficiency. It should be noted that the extension portion 62 can be configured as a double-sided symmetrical structure to improve overall torsional rigidity. Additionally, the mounting groove 63 can be configured as a "T-groove" or "dovetail groove" structure, making the installation of the rotating shaft 7 more convenient and secure.

[0037] Please see Figure 1 and Figure 4 As shown, the width direction of the support portion 61 is parallel to the width direction of the support plate 2, and the length direction of the extension portion 62 is parallel to the thickness direction of the support plate 2. In this embodiment, the width direction of the support portion 61 is kept parallel to the width direction of the support plate 2, which increases the contact area between the support portion 61 and the support plate 2 and improves the fixing stability. Moreover, the directional arrangement of the support portion 61 and the extension portion 62 of the fixing block 6 ensures the reasonable transmission of structural forces, enabling the focusing mechanism to maintain high stability even in frequent adjustment scenarios.

[0038] The length direction of the extension 62 is aligned with the thickness direction of the support plate 2. This directional design optimizes the force path of the fixing block 6, resulting in better mechanical stability when the support plate 2 rotates back and forth. Furthermore, this directional arrangement makes it easier for the mounting groove 63 to align with the space below the support plate 2, which is beneficial for the arrangement of the rotating shaft 7 and the provision of adjustment space. Additionally, the directional arrangement of the support portion 61, the extension 62, and the support plate 2 reduces structural interference and improves engineering assemblability. It should be noted that the support portion 61 and the extension 62 can be designed as integral castings or integrally machined parts, naturally maintaining the directional relationship and further improving precision. Moreover, the width direction of the support portion 61 can be slightly offset at an angle, for example, 5°–10°, to adapt to certain inclined base 1 structures, in which case stable support can still be achieved.

[0039] A damping sleeve is fitted onto the rotating shaft 7. The outer circumferential surface of the damping sleeve is interference-fitted with the inner wall of the mounting groove 63 of the extension 62, and the inner circumferential surface of the damping sleeve is tightly fitted with the rotating shaft 7. In this embodiment, a damping sleeve is provided in the mounting groove 63 of the extension 62, and the damping sleeve is fitted onto the outside of the rotating shaft 7. The outer circumferential surface of the damping sleeve forms an interference fit with the mounting groove 63, generating frictional damping between the sleeve and the extension 62, thereby providing a stable damping force for the rotation of the rotating shaft 7. The inner circumferential surface of the damping sleeve is tightly fitted with the rotating shaft 7, allowing the rotating shaft 7 to rotate smoothly under damping action, preventing the support plate 2 from drifting at an angle due to its own weight or vibration after adjustment. Through the above design, the introduction of a damping sleeve into this structure gives the rotation process of the support plate 2 a damping holding function, allowing it to stably stop at any set angle, avoiding deviation caused by vibration or its own weight, and improving the controllability and repeatability of angle adjustment. This design avoids the vibration displacement, loosening, or inaccurate positioning problems found in traditional undamped structures. It should be noted that the damping sleeve can be made of wear-resistant materials, such as oil-impregnated nylon, polytetrafluoroethylene, or polymer composites. Additionally, a small amount of lubricant or oil-impregnated friction-reducing material can be added to the outer circumference of the damping sleeve to further improve rotational smoothness. Furthermore, the damping sleeve can be replaced with a combination structure of elastic friction pads, achieving damping adjustment through the stacking of multiple pads.

[0040] Please see Figure 1 , Figure 6 and Figure 7As shown, the support plate 2 has a through hole 21 along its thickness direction, and the through hole 21 is located at the end away from the base 1; the rotating connector 5 includes a rotating shaft 51 and a locking member 52. The rotating shaft 51 passes through the through hole 21 of the support plate 2, wherein one end of the rotating shaft 51 is fixed to the side wall of the adjusting plate 3, and the other end of the rotating shaft 51 is threadedly engaged with the locking member 52. In this embodiment, the upper part of the support plate 2 is provided with a through hole 21, that is, the end away from the base 1 is provided with a through hole 21, for installing the rotating connector 5 of the adjusting plate 3. The rotating shaft 51 passes through the through hole 21, and one end of the rotating shaft 51 is fixedly connected to the side wall of the adjusting plate 3, for example, by welding, pressing or threaded connection. The other end of the rotating shaft 51 extends out of the outside of the support plate 2 and is locked by the locking member 52, such as a nut, knob or hexagonal threaded fastener. In this way, the adjusting plate 3 can rotate freely around the rotating shaft 51, and the angle can be fixed by adjusting the locking force through the locking member 52 to enhance stability.

[0041] It should be noted that the locking element 52 can be a handle-type structure, which can be adjusted without tools, facilitating quick angle adjustment. Additionally, a metal sleeve or bearing ring can be added around the through hole 21 to improve the smoothness and wear resistance of the rotating shaft 51. Furthermore, the locking element 52 can be equipped with a ratchet structure, enabling the adjustment action to have a stepped positioning capability and improving repeatability.

[0042] Please see Figure 2 As shown, at least one first positioning protrusion is provided circumferentially on the inner wall of the mounting hole 31. In this embodiment, at least one first positioning protrusion is formed circumferentially on the inner wall of the mounting hole 31 of the adjusting plate 3. After the focusing lens barrel 4 is assembled into the mounting hole 31, the first positioning protrusion cooperates with the outer wall of the focusing lens barrel, that is, the end of the focusing lens barrel 4 contacts the first positioning protrusion to play a positioning role, thereby realizing the rapid positioning and installation of the focusing lens barrel 4 and the mounting hole 31, so that the focusing lens barrel 4 can obtain a positioning reference in the mounting hole 31. It should be noted that multiple first positioning protrusions can be arranged so that the focusing lens barrel 4 and the mounting hole 31 have evenly distributed multi-point contact, improving coaxiality.

[0043] Please see Figure 1 , Figure 5 and Figure 6As shown, the focusing fixture also includes: an optical component 8, a detector 9, a controller 10, a power supply 11, a first bracket 12, and a second bracket 13; the first bracket 12 and the second bracket 13 both have a U-shaped cross-section, and their openings both face the base 1; the first bracket 12 and the second bracket 13 are stacked and fixed sequentially along a direction perpendicular to the surface of the base 1, and both the first bracket 12 and the second bracket 13 are located on one side of the length direction of the base 1; the first bracket 12 is fixed to the surface of the base 1 and is located on one side of the support plate 2; the optical component 8 is mounted on the second bracket. The upper surface of the base 13 is provided with the detector 9 fixed to the upper surface of the first bracket 12; the controller 10 is disposed on the plate surface of the base 1 and located between the first bracket 12 and the base 1; the power supply 11 is fixed on the plate surface of the base 1 and located on one side of the base 1 along its length, and the power supply 11 is adjacent to the first bracket 12; wherein, the power supply 11 is electrically connected to the focusing lens barrel 4, the detector 9 and the controller 10 respectively via cables, and the controller 10 is electrically connected to the detector 9 and the focusing lens barrel 4 respectively via cables.

[0044] In this embodiment, the focusing fixture is provided with a first support 12 and a second support 13, both with a C-shaped cross-section and openings facing the base 1. The first support 12 is fixed to the surface of the base 1 and is arranged on one side of the support plate 2; the second support 13 is stacked on top of the first support 12, and the two are stacked and fixed in sequence along the direction perpendicular to the surface of the base 1; optical components 8 are installed on the upper surface of the second support 13, such as a light source module, collimating lens, or filter assembly. The detector 9 is fixed to the upper surface of the first support 12, forming the detection terminal of the optical path. The controller 10 is located on the surface of the base 1, on one side of the first support 12, and is responsible for processing signals between the focusing lens barrel 4 and the detector. The power supply 11 is fixed to the surface of the base 1, located on one side of the base 1 along its length, and adjacent to the first support 12, making the wiring path compact and the layout reasonable.

[0045] Power supply 11 supplies power to focusing lens barrel 4, detector 9, and controller 10 via cables. Controller 10 is connected to detector 9 and focusing lens barrel 4 via cables to control focusing actions and acquire data. This implementation not only provides basic focusing functions but also forms a complete optical inspection system that can be used for applications such as optical path debugging, camera module calibration, and optical performance testing.

[0046] The first bracket 12 and the second bracket 13 are stacked in a U-shape along the vertical direction of the base 1, which facilitates installation and provides ample space for debugging. Simultaneously, the wiring is neat and organized, improving the maintainability and stability of the overall system. Furthermore, the first bracket 12 and the second bracket 13 allow the optical component 8, the detector 9, and the controller 10 to be grouped together, resulting in a neat and compact layout. This reduces the impact of external interference on the focusing effect and improves operational stability. Additionally, this structure separates the components, aiding in heat dissipation. It should be noted that the first bracket 12 and the second bracket 13 can be made of aluminum alloy profiles to further enhance strength and heat dissipation performance. Additionally, the power supply 11 can be replaced with an independent battery module to adapt to outdoor or mobile detection environments. Another variation integrates the controller 10 and the detector 9 into the same hardware module, improving system compactness.

[0047] The foregoing, in conjunction with the embodiments and accompanying drawings, has clearly and completely described the concept, specific structure, and technical effects of this utility model, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions.

[0048] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A focusing fixture, characterized in that, include: The base is plate-shaped; A support plate, which is disposed on the plate surface of the base and extends along the vertical direction of the base; At least one adjusting plate, the sidewall of which is rotatably connected to the sidewall of the support plate by a rotating connector, and the axis of the rotating connector is perpendicular to the extending direction of the adjusting plate; The adjustment plate has through mounting holes on its surface.

2. The focusing fixture according to claim 1, characterized in that, The focusing fixture is provided with multiple adjusting plates, which are arranged at intervals along the vertical extension direction of the support plate.

3. The focusing fixture according to claim 1 or 2, characterized in that, The adjusting plate has a clamping gap at one end in the width direction. The clamping gap extends from the outer side wall of the adjusting plate in the width direction to the mounting hole. The clamping gap is divided into a first clamping part and a second clamping part on both sides along the length direction of the adjusting plate. The first clamping part has a first connecting hole at one end along the length direction of the adjusting plate, and the first connecting hole extends along the length direction of the adjusting plate and passes through the clamping gap. The second clamping part has a second connecting hole along the length direction of the adjusting plate and at one end near the first clamping part, and the second connecting hole is coaxial with the first connecting hole; The focusing fixture also includes fasteners, which pass through the first connecting hole and the second connecting hole in sequence, and lock the first clamping part and the second clamping part together.

4. The focusing fixture according to claim 1 or 2, characterized in that, One end of the support plate along its length is fixed to the base by a fixing block. The fixing block and the base are rotatably connected by a rotating shaft, the axis of which is parallel to the extension direction of the support plate.

5. The focusing fixture according to claim 4, characterized in that, The fixing block includes at least one support portion and at least one extension portion. The support portion is disposed on the plate surface of the base and extends along the vertical direction of the base. The extension extends horizontally outward from the support portion, and the extension is located at one end near the base. The extension has a mounting groove along its thickness direction. The mounting groove of the extension is connected to the base via the rotating shaft.

6. The focusing fixture according to claim 5, characterized in that, The width direction of the support portion is parallel to the width direction of the support plate. The length direction of the extension is parallel to the thickness direction of the support plate.

7. The focusing fixture according to claim 5, characterized in that, A damping sleeve is fitted on the rotating shaft. The outer circumferential surface of the damping sleeve is interference-fitted with the inner wall of the mounting groove of the extension, and the inner circumferential surface of the damping sleeve is tightly fitted with the rotating shaft.

8. The focusing fixture according to claim 1 or 2, characterized in that, The support plate has a through hole along its thickness direction, and the through hole is located at the end away from the base; The rotating connector includes a rotating shaft and a locking element, wherein the rotating shaft passes through a through hole in the support plate. One end of the rotating shaft is fixed to the side wall of the adjusting plate, and the other end of the rotating shaft is threaded into the locking element.

9. The focusing fixture according to claim 1 or 2, characterized in that, The inner wall of the mounting hole is provided with at least one first positioning protrusion along the circumferential direction.

10. The focusing fixture according to claim 1, characterized in that, The focusing fixture also includes: optical components, a detector and data acquisition unit, a controller, a power supply, a first support, and a second support; The first and second supports have U-shaped cross sections and their openings face the base. The first and second supports are stacked and fixed in sequence along a direction perpendicular to the base plate, and both the first and second supports are located on one side of the base along its length. The first bracket is fixed to the plate surface of the base and is located on one side of the support plate; The optical component is mounted on the upper surface of the second bracket, and the detector is fixed to the upper surface of the first bracket; The controller is disposed on the plate surface of the base and is located between the first bracket and the base; The power supply is fixed to the plate surface of the base and located on one side of the base along its length, and the power supply is adjacent to the first bracket; The power supply is electrically connected to the detector and the controller via cables, and the controller is electrically connected to the detector via cables.

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