Compact double-shaft fine-tuning lens frame for flow cytometry

Abstract

The utility model discloses an optical lens precise adjusting lens bracket based on a flow cytometer. The optical lens precise adjusting lens bracket comprises a high-precision adjusting assembly, an adjusting stainless steel top piece, a lens bracket seat, a lens seat, a sliding guide groove, a springback tower spring, a lens and a pressing piece. The compact double-shaft fine-tuning lens frame for the flow cytometer is compact in structure, high in adjusting precision, strong in universality and easy to assemble and adjust, so that the precise adjustment of the lens in the X-axis direction and the Y-axis direction is realized, and the light path alignment efficiency and precision are improved.

Description

Technical Field

[0001] This utility model relates to the technical field, specifically to a compact biaxial fine-tuning lens frame for flow cytometers. Background Technology

[0002] In flow cytometry, precise alignment of the optical path is crucial. Both the excitation and signal collection optical paths require focusing and alignment to ensure that the laser focus position is precisely aligned with the target cell, or that the signal emitted by the cell can be efficiently focused onto the detector. Existing lens adjustment mechanisms typically suffer from complex structures, low adjustment precision, and poor versatility, making it difficult to meet the precise alignment requirements of flow cytometry.

[0003] Therefore, a compact XY axis precision adjustment frame that is simple in structure, easy to assemble, convenient to adjust, low in cost, and highly versatile is needed to solve the above technical problems. Utility Model Content

[0004] Purpose of the utility model: To overcome the shortcomings of the prior art and provide a compact dual-axis fine-tuning lens frame for flow cytometers that is compact in structure, has high adjustment precision, strong versatility, and is easy to assemble and adjust, so as to achieve precise adjustment of the lens in the XY axis direction and improve the efficiency and accuracy of optical path alignment.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A compact biaxial fine-tuning lens frame for flow cytometers includes: a high-precision adjustment assembly, an adjustment stainless steel top plate, a frame base, a lens base, a sliding guide groove, a spring-loaded tower spring, a lens, and a pressure plate.

[0007] The high-precision adjustment assembly includes: a bushing, an adjusting screw, and a locking ring;

[0008] The adjustable stainless steel top plate can be finely adjusted by rotating the high-precision adjustment component.

[0009] The frame is fixed to the platform to be optically aligned through the waist-shaped hole at the bottom. The central hole of the lens mount is used to fix the lens. Circular holes are designed on both sides of the axis for attaching the stainless steel top plate. Two adjusting screws are screwed into the frame and rest on the top plate.

[0010] The lens mount is also designed with limit protrusions and sliders on both sides, which fit precisely with the sliding guide groove;

[0011] A spring is designed between the sliding guide groove and the frame to adjust the rebound;

[0012] The pressure plate is used to fix the lens mount, the tower spring, and the sliding guide groove.

[0013] As a further improvement to the above technical solution:

[0014] Furthermore, the bottom of the frame base is provided with a raised guide to prevent the frame from shifting at an angle when sliding.

[0015] Furthermore, the lens mount has a central hole with an adhesive groove for fixing the lens.

[0016] Furthermore, the high-precision adjusting screw includes a screw body, a locking ring, and a bushing, with the locking ring used to fix the screw position.

[0017] Furthermore, a small round hole is provided on one side of the sliding guide groove to fix the position of the rebound spring, and a sliding groove is provided on the other side to cooperate with the sliding adjustment of the lens seat XY axis.

[0018] Furthermore, the lens mount can be designed with different adhesive grooves inside according to the lens diameter to fix the lens.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. Compact structure: It adopts a compact design, is small in size, and is easy to integrate into precision instruments such as flow cytometers.

[0021] 2. High adjustment precision: Through the cooperation of high-precision adjusting screws and sliding guide grooves, high-precision fine adjustment of the lens in the XY axis direction can be achieved, with adjustment precision reaching the micrometer level.

[0022] 3. High versatility: The lens mount can be designed with different dispensing grooves according to the lens diameter, making it suitable for lenses of different sizes and providing excellent versatility.

[0023] 4. Easy to assemble and adjust: The structure is simple, easy to assemble and adjust, and operators can quickly and accurately complete the optical path alignment.

[0024] 5. Low cost: Using standard parts and common materials, the manufacturing cost is low and it is easy to promote and apply.

[0025] 6. Good stability: The design of the rebound tower spring ensures the stability and repeatability of the lens mount during the adjustment process, effectively preventing the lens mount from tilting or pitching. Attached Figure Description

[0026] Figure 1 This is an exploded view of the overall structure of this utility model.

[0027] Figure 2 This is an overall structural installation diagram of the present utility model.

[0028] In the diagram: 1. High-precision adjustment component; 2. Adjustment stainless steel top plate; 3. Lens mount; 4. Lens mount; 5. Sliding guide groove; 6. Rebound spring; 7. Lens; 8. Pressure plate. Detailed Implementation

[0029] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0030] Applicant's design Figure 1-2 The compact biaxial fine-tuning lens 7 frame for flow cytometer shown includes: a high-precision adjustment assembly 1, an adjustment stainless steel top plate 2, a frame base 3, a lens 7 mount 4, a sliding guide groove 5, a spring-loaded tower spring 6, a lens 7, and a pressure plate 8.

[0031] The high-precision adjustment component 1 includes: a bushing, an adjusting screw, and a locking ring;

[0032] The stainless steel top plate 2 can be finely adjusted by rotating the high-precision adjustment component 1;

[0033] The frame is fixed to the platform to be optically aligned through the waist-shaped hole at the bottom. The bottom guide groove of the lens 7 frame is used to control the installation accuracy of the overall frame and prevent angular deviation. The center hole of the lens 7 mount 4 is designed with an adhesive groove for fixing the lens 7. Round holes are designed on both sides of the axis for attaching the stainless steel top plate. Two adjusting screws are screwed into the frame and rest on the top plate.

[0034] The lens 7 mount 4 has limit protrusions and sliders on both sides, which are precisely matched with the sliding guide groove 5;

[0035] A spring is designed between the sliding guide groove 5 and the frame to adjust the rebound;

[0036] The pressure plate 8 is used to fix the lens 7, the base 4, the tower spring, and the sliding guide groove 5.

[0037] The bottom of the frame base 3 is provided with a raised guide to prevent the angle from shifting when the frame slides.

[0038] The lens 7 mount 4 has an adhesive groove in the center hole for fixing the lens 7.

[0039] The high-precision adjusting screw includes a screw body, a locking ring, and a bushing. The locking ring is used to fix the screw position.

[0040] A small round hole is provided on one side of the sliding guide groove 5 to fix the position of the rebound spring 6, and a sliding groove is provided on the other side to cooperate with the sliding adjustment of the lens 7 seat 4XY axis.

[0041] The lens 7 mount 4 can be designed with different adhesive grooves inside according to the diameter of the lens 7, for fixing the lens.

[0042] principle:

[0043] Preparation: Prepare the frame base 3, lens 7 base 4, adjusting stainless steel top plate 2, high-precision adjustment assembly 1 (including screw body, locking ring and bushing), sliding guide groove 5, spring-loaded tower spring 6, pressure plate 8 and lens 7.

[0044] assembly:

[0045] 1. Attach the bushing to the XY axis hole of the frame mount 3.

[0046] 2. Attach the adjusting stainless steel top plate 2 to the circular holes on both sides of the lens 7 mount 4 axis.

[0047] 3. Install lens 7 into the center hole of lens 7 mount 4 and fix it with adhesive.

[0048] 4. Insert the limiting protrusions on both sides of the lens 7 mount 4 into the sliding groove of the sliding guide groove 5.

[0049] 5. Place the rebound spring 6 between the sliding guide groove 5 and the mirror frame base 3, and fix its position with a small round hole.

[0050] 6. Fix the lens 7 seat 4, the spring 6, and the sliding guide groove 5 with the pressure plate 8.

[0051] 7. Screw the high-precision adjusting screw into the bushing and make the screw press against the adjusting stainless steel top plate 2.

[0052] adjust:

[0053] 1. Fix the frame mount 3 to the optical platform through the waist-shaped hole at the bottom.

[0054] 2. Rotate the high-precision adjustment screw to adjust the stainless steel top plate 2 and push the lens 7 mount 4 to slide in the XY axis direction to achieve fine adjustment of the lens 7.

[0055] 3. After adjusting to the correct position, use the locking ring to secure the screw.

[0056] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A compact biaxial fine-tuning lens frame for flow cytometers, characterized in that, include: High-precision adjustment components, stainless steel adjustment top plate, lens mount, lens mount, sliding guide groove, spring-loaded tower spring, lens, and pressure plate; The high-precision adjustment assembly includes: a bushing, an adjusting screw, and a locking ring; The adjustable stainless steel top plate can be finely adjusted by rotating the high-precision adjustment component. The frame is fixed to the platform to be optically aligned through the waist-shaped hole at the bottom. The central hole of the lens mount is used to fix the lens. Circular holes are designed on both sides of the axis for attaching the stainless steel top plate. Two adjusting screws are screwed into the frame and rest on the top plate. The lens mount is also designed with limit protrusions and sliders on both sides, which fit precisely with the sliding guide groove; A spring is designed between the sliding guide groove and the frame to adjust the rebound; The pressure plate is used to fix the lens mount, the tower spring, and the sliding guide groove.

2. The compact biaxial fine-tuning lens frame for flow cytometer according to claim 1, characterized in that, The bottom of the frame base is provided with a raised guide to prevent the frame from shifting at an angle when sliding.

3. The compact biaxial fine-tuning lens frame for flow cytometer according to claim 1, characterized in that, The lens mount has a central hole with an adhesive groove for fixing the lens.

4. The compact biaxial fine-tuning lens frame for flow cytometer according to claim 1, characterized in that, The high-precision adjusting screw includes a screw body, a locking ring, and a bushing. The locking ring is used to fix the screw position.

5. The compact biaxial fine-tuning lens frame for flow cytometer according to claim 1, characterized in that, One side of the sliding guide groove is provided with a small round hole for fixing the position of the rebound spring, and the other side is provided with a sliding groove for sliding adjustment of the lens seat XY axis.

6. The compact biaxial fine-tuning lens frame for flow cytometer according to claim 1, characterized in that, The lens mount has different adhesive grooves designed inside according to the lens diameter for fixing the lens.

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