Lens posture fine adjustment device
By using the contact adjustment part and buffer positioning structure of the lens attitude fine-tuning device, the problem of unstable lens adjustment is solved, and stable and reliable adjustment of the lens body is achieved.
Patent Information
- Application Number
- CN202620041198.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-14
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2036-01-14
AI Technical Summary
Existing lens adjustment methods are difficult to achieve efficient and stable XY direction adjustment, especially the fine adjustment of reflectivity of the Gaussian mirror, which leads to inconvenience in use.
A lens attitude fine-tuning device is adopted, which achieves stable adjustment of the lens body by using the abutment adjustment part and buffer positioning structure in combination with the adjustment screw and guide rod.
It achieves efficient and stable adjustment of the lens body, ensuring that the lens can be stably maintained in the appropriate position after adjustment, thus improving the stability and reliability of adjustment.
Smart Images
Figure CN223926697U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to a lens posture fine adjustment device. BACKGROUND
[0002] The anti-Gauss mirror refers to a transmitting mirror with variable reflectivity, but the distribution mode of the reflectivity is opposite to that of the Gauss mirror, that is, the reflectivity is higher at the edge position and gradually decreases along the central position. In the use process of the anti-Gauss mirror, the position needs to be fine adjusted to use the appropriate reflectivity. The current fine adjustment mode is generally to adjust the XY directions respectively by adopting the optical screw mode, the adjustment difficulty is high, the adjustment mode is single, and the use personnel is not friendly. Therefore, it is necessary to improve the existing lens adjustment device. CONTENT OF THE UTILITY MODEL
[0003] In order to solve the above problems, the application provides a lens posture fine adjustment device, which comprises a bottom support plate, a lens body is arranged above the bottom support plate, a plurality of pressing strips are arranged on the outer side of the lens body, the two sides of the pressing strip are connected with the bottom support plate respectively, and a plurality of abutting adjusting parts are further abutted and arranged below the lens body; the abutting adjusting part comprises an abutting positioning block which is hingedly arranged with the bottom support plate, and a threaded adjusting screw rod which is arranged below the abutting positioning block and penetrates through the bottom support plate. The abutting adjusting part is adopted to adjust the lens body, and the buffer positioning of the upper pressing strip is additionally adopted, so that the adjustment effect is good, the stability during the adjustment process can be guaranteed, and the lens body can be stably arranged at the position to be adjusted after the adjustment is completed.
[0004] Preferably, the abutting positioning block comprises a middle connecting plate, the top of the adjusting screw rod is movably abutted with the middle connecting plate, lateral hinge rods are arranged on the two sides of the middle connecting plate respectively, the two lateral hinge rods are arranged on the two sides of the bottom support plate respectively, the top of the lateral hinge rod is movably abutted with the outer side of the lens body, a hinge connecting rod is fixedly connected between the bottoms of the two lateral hinge rods, and the hinge connecting rod penetrates through the bottom support plate.
[0005] Preferably, the top of the lateral hinge rod is provided with an arc-shaped protruding block matched with the outer edge of the lens body, an abutting protruding block is arranged on the top of the adjusting screw rod, an abutting adjusting block is arranged at the position of the middle connecting plate facing the abutting protruding block, and the abutting adjusting block is provided with an abutting plane corresponding to the position of the abutting protruding block. The abutting protruding block is driven by the adjusting screw rod, the abutting adjusting block is driven by the abutting protruding block, the middle connecting plate is driven by the abutting adjusting block, the lateral abutting rod is driven by the middle connecting plate, the arc-shaped protruding block is driven by the lateral abutting rod, and the lens body is driven by the arc-shaped protruding block through abutting.
[0006] Preferably, a plurality of accommodating grooves are arranged on the outer side of the lens body, and the pressing strips are clamped in the accommodating grooves.
[0007] Preferably, the lower pressing strip is a lower pressing spring, and a hanging hook is arranged on both sides of the lower pressing spring, and a hanging rod matched with the hanging hook is arranged on both sides of the bottom support plate.
[0008] Preferably, the lens body comprises an outer ring-shaped shell, a ring-shaped baffle is arranged on one side of the outer ring-shaped shell, a lens is abutted and arranged on the side of the ring-shaped baffle, a ring-shaped pressing plate is arranged on the side of the lens away from the ring-shaped baffle, a compression spring is arranged on the outer side of the ring-shaped pressing plate, a ring-shaped threaded pressing ring is arranged on the outer side of the compression spring, an external thread is arranged on the outer side of the ring-shaped threaded pressing ring, and an internal thread section is arranged on the outer ring-shaped shell at the position of the external thread. The lens body of the present application guarantees the stability of the lens body itself through the positioning of the ring-shaped pressing plate, the compression of the compression spring and the compression of the external ring-shaped threaded pressing ring, and avoids affecting the stability of the lens itself due to the unstable structure of the lens body during use.
[0009] Preferably, the ring-shaped pressing plate comprises a ring-shaped transverse pressing plate abutted and arranged on the outer edge of the lens, a ring-shaped vertical pressing plate is arranged on the outer side of the ring-shaped transverse pressing plate, and a spring accommodating space for accommodating the compression spring is arranged between the ring-shaped vertical pressing plate and the ring-shaped transverse pressing plate.
[0010] Preferably, a transverse connecting plate is arranged above the lens body, two separately arranged vertical guide rods are arranged above the transverse connecting plate, and a transverse positioning rod is movably clamped between the vertical guide rods.
[0011] Preferably, a vertical support plate is arranged on one side of the bottom support plate, a top plate is arranged on the top of the vertical support plate, a limiting through hole is arranged on the top plate, the vertical guide rods are movably arranged through the limiting through hole, and the transverse positioning rod is fixedly arranged in the limiting through hole. The bottom of the present application adjusts the position through the abutment adjusting part, and then two vertical guide rods rotate around the transverse positioning rod, thereby guaranteeing the stability of the entire adjustment process and further guaranteeing the reliability when in position.
[0012] Preferably, the bottom of the adjusting screw is provided with an internal adjusting groove, and the adjusting screw is an optical adjusting screw.
[0013] The present application can bring the following beneficial effects:
[0014] 1. The abutment adjusting part is used to adjust the lens body, and the upper pressing strip is used for buffering positioning, thereby achieving good adjustment effect, guaranteeing the stability of the entire adjustment process, and stably placing the lens body in the position to be adjusted after adjustment.
[0015] 2. This application uses an adjusting screw to drive an abutting protrusion, which in turn drives an adjusting block, which in turn drives a central connecting plate, which in turn drives a side abutting rod, which in turn drives an arc-shaped protrusion, which in turn drives the lens body to move by abutting.
[0016] 3. The lens body of this application ensures its own stability through the positioning of the annular pressure plate, the compression of the pressure spring, and the compression of the external annular threaded pressure ring, so as to avoid the lens itself being affected by its own structural instability during use.
[0017] 4. The bottom of this application is adjusted by the abutment adjustment part, and then two vertical guide rods are added to rotate around the horizontal positioning rod to ensure the stability of the entire adjustment process and further ensure the reliability when in use. Attached Figure Description
[0018] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0019] Figure 1 This is a schematic diagram of the structure of this application;
[0020] Figure 2 This is a schematic diagram of the internal structure of this application;
[0021] Figure 3 This is a structural schematic diagram from another angle of this application;
[0022] Figure 4 This is a structural schematic diagram of the present application with a top plate;
[0023] Figure 5 for Figure 4 A schematic diagram of the internal structure.
[0024] Explanation of reference numerals in the attached drawings: 1. Bottom support plate; 2. Lens body; 3. Lower pressure strip; 4. Abutment adjustment part; 5. Abutment positioning block; 6. Adjustment screw; 7. Middle connecting plate; 8. Lateral hinge rod; 9. Hinge connecting rod; 10. Arc-shaped protrusion; 11. Abutment protrusion; 12. Abutment adjustment block; 13. Abutment plane; 14. Receiving groove; 15. Hanging rod; 16. Outer annular shell; 17. Annular baffle; 18. Lens; 19. Annular pressure plate; 20. Compression spring; 21. Annular threaded pressure ring; 22. External thread; 23. Internal thread section; 24. Annular transverse pressure plate; 25. Annular vertical pressure plate; 26. Spring receiving space; 27. Transverse connecting plate; 28. Vertical guide rod; 29. Transverse positioning rod; 30. Vertical support plate; 31. Top plate; 32. Limiting through hole; 33. Inner adjustment groove. Detailed Implementation
[0025] To clearly illustrate the technical features of this solution, the following detailed description, in conjunction with the accompanying drawings, will be provided.
[0026] In the first embodiment, such as Figures 1-5 As shown, a lens attitude fine-tuning device includes a bottom support plate 1, a lens body 2 disposed above the bottom support plate 1, and several pressure strips 3 disposed on the outer side of the lens body 2. The two sides of the pressure strips 3 are respectively connected to the bottom support plate 1. Several abutting adjustment parts 4 are also disposed below the lens body 2. The abutting adjustment part 4 includes an abutting positioning block 5 hinged to the bottom support plate 1, and an adjustment screw 6 threaded through the bottom support plate 1 is disposed below the abutting positioning block 5.
[0027] In use, the adjusting screw 6 is adjusted up and down to drive the position of the abutting positioning block 5 to change. The abutting positioning block 5 drives the lens body 2 to move, and under the action of the lower pressure bar 3, it maintains a relatively stable state without shaking, until the lens body 2 is adjusted to a suitable position.
[0028] In the second embodiment, as Figures 1-5 As shown, a lens attitude fine-tuning device includes a bottom support plate 1, a lens body 2 disposed above the bottom support plate 1, and several pressure strips 3 disposed on the outer side of the lens body 2. The two sides of the pressure strips 3 are respectively connected to the bottom support plate 1. Several abutting adjustment parts 4 are also disposed below the lens body 2. The abutting adjustment part 4 includes an abutting positioning block 5 hinged to the bottom support plate 1, and an adjustment screw 6 threaded through the bottom support plate 1 is disposed below the abutting positioning block 5.
[0029] The abutment positioning block 5 includes a central connecting plate 7. The top of the adjusting screw 6 is movably abutted against the central connecting plate 7. Lateral hinge rods 8 are respectively provided on both sides of the central connecting plate 7. The two lateral hinge rods 8 are respectively provided on both sides of the bottom support plate 1. The top of the lateral hinge rods 8 is movably abutted against the outer side of the lens body 2. A hinge connecting rod 9 is fixedly connected between the bottoms of the two lateral hinge rods 8. The hinge connecting rod 9 is inserted through the bottom support plate 1. The top of the lateral hinge rod 8 is provided with an arc-shaped protrusion 10 that mates with the outer edge of the lens body 2. The top of the adjusting screw 6 is provided with an abutment protrusion 11. An abutment adjustment block 12 is provided on the central connecting plate 7 facing the abutment protrusion 11. The abutment adjustment block 12 is provided with an abutment plane 13 corresponding to the abutment protrusion 11.
[0030] Several receiving grooves 14 are provided on the outer side of the lens body 2, and the lower pressure strip 3 is snapped into the receiving grooves 14. The lower pressure strip 3 is a compression spring, and hooks are provided on both sides of the compression spring. Hanging rods 15 that cooperate with the hooks are provided on both sides of the bottom support plate 1. This serves to tighten the spring.
[0031] The lens body 2 includes an outer annular housing 16. An annular baffle 17 is provided on one side of the outer annular housing 16. A lens 18 is abutted against the side of the annular baffle 17. An annular pressure plate 19 is provided on the side of the lens 18 away from the annular baffle 17. A compression spring 20 is provided on the outside of the annular pressure plate 19. An annular threaded pressure ring 21 is provided on the outside of the compression spring 20. An external thread 22 is provided on the outside of the annular threaded pressure ring 21. An internal thread section 23 is provided on the outer annular housing 16 at the position of one of the external threads 22. The annular pressure plate 19 includes an annular transverse pressure plate 24 that abuts against the outer edge of the lens 18. An annular vertical pressure plate 25 is provided on the outside of the annular transverse pressure plate 24. A spring receiving space 26 is provided between the annular vertical pressure plate 25 and the annular transverse pressure plate 24 to accommodate the compression spring 20. This serves to assemble and fix the lens.
[0032] A horizontal connecting plate 27 is provided above the lens body 2. Two separate vertical guide rods 28 are provided above the horizontal connecting plate 27, and a horizontal positioning rod 29 is movably clamped between the vertical guide rods 28. A vertical support plate 30 is provided on one side of the bottom support plate 1, and a top plate 31 is provided on the top of the vertical support plate 30. A limiting through hole 32 is provided on the top plate 31. The vertical guide rods 28 movably pass through the limiting through hole 32, and the horizontal positioning rod 29 is fixedly installed within the limiting through hole 32. This serves to provide upper positioning.
[0033] The bottom of the adjusting screw 6 is provided with an inner adjusting groove 33, and the adjusting screw 6 is an optical adjusting screw.
[0034] In use, the internal adjustment groove is generally in the form of an internal hexagon. Then, an internal hexagon wrench is needed to drive the adjustment screw 6. The adjustment screw 6 drives the abutting protrusion 11, which in turn drives the abutting adjustment block 12. The abutting adjustment block 12 drives the central connecting plate 7, which in turn drives the side abutting rod. The side abutting rod then drives the arc-shaped protrusion 10. The arc-shaped protrusion 10 drives the lens body 2 to move by abutting, and maintains a relatively stable state under the action of the downward spring, without shaking, until the lens body 2 is adjusted to the appropriate position.
[0035] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.
Claims
1. A lens position fine adjustment device characterized by: The application relates to a lens body, which comprises a bottom supporting plate, a lens body arranged above the bottom supporting plate, a plurality of pressing strips arranged outside the lens body, the two sides of the pressing strips being connected with the bottom supporting plate respectively, and a plurality of abutting adjusting parts abuttingly arranged below the lens body.
2. A lens position fine adjustment device as claimed in claim 1, characterized in that: The abutting adjusting part comprises an abutting positioning block hingedly arranged with the bottom supporting plate, and a screw rod penetrating through the bottom supporting plate and arranged below the abutting positioning block.
3. A lens position fine adjustment device as claimed in claim 2, characterized in that: The abutting positioning block comprises a middle connecting plate, the top of the screw rod is movably abuttingly arranged with the middle connecting plate, the two sides of the middle connecting plate are respectively provided with lateral hinge rods, the two lateral hinge rods are arranged on the two sides of the bottom supporting plate respectively, the top of the lateral hinge rod is movably abuttingly arranged with the outside of the lens body, a hinge connecting rod is fixedly arranged between the bottoms of the two lateral hinge rods, and the hinge connecting rod penetrates through the bottom supporting plate.
4. A lens position fine adjustment device as claimed in claim 1, characterized in that: The top of the lateral hinge rod is provided with an arc-shaped protruding block matched with the outer edge of the lens body; an abutting protruding block is arranged on the top of the screw rod; an abutting adjusting block is arranged on the position of the middle connecting plate facing the abutting protruding block; and the abutting adjusting block is provided with an abutting plane corresponding to the position of the abutting protruding block.
5. A lens position fine adjustment device as claimed in claim 4, characterized in that: A plurality of accommodating grooves are arranged outside the lens body, and the pressing strips are clampedly arranged in the accommodating grooves.
6. A lens position fine adjustment device as claimed in claim 1, characterized in that: The pressing strip is a pressing spring, hanging hooks are arranged on the two sides of the pressing spring, and hanging rods matched with the hanging hooks are arranged on the two sides of the bottom supporting plate.
7. A lens position fine adjustment device as claimed in claim 6, characterized in that: The lens body comprises an outer annular shell, a ring-shaped baffle is arranged on one side of the outer annular shell, a lens is abuttingly arranged on the side of the ring-shaped baffle, a ring-shaped pressing plate is arranged on the side of the lens away from the ring-shaped baffle, a compression spring is arranged outside the ring-shaped pressing plate, an annular threaded pressing ring is arranged outside the compression spring, external threads are arranged outside the annular threaded pressing ring, and internal threads are arranged on the position of the outer annular shell corresponding to the external threads.
8. A lens position fine adjustment device as claimed in claim 1, characterized in that: The ring-shaped pressing plate comprises a ring-shaped transverse pressing plate abuttingly arranged with the outer edge of the lens, a ring-shaped vertical pressing plate is arranged outside the ring-shaped transverse pressing plate, and a spring accommodating space for accommodating the compression spring is arranged between the ring-shaped vertical pressing plate and the ring-shaped transverse pressing plate.
9. A lens position fine adjustment device as claimed in claim 8, characterized in that: A transverse connecting plate is arranged above the lens body, two separately arranged vertical guide rods are arranged above the transverse connecting plate, and a transverse positioning rod is movably clamped between the vertical guide rods.
10. A lens position fine adjustment device as claimed in claim 1, characterized in that: A vertical supporting plate is arranged on one side of the bottom supporting plate, a top plate is arranged on the top of the vertical supporting plate, a limiting through hole is arranged on the top plate, the vertical guide rods are movably arranged through the limiting through hole, and the transverse positioning rod is fixedly arranged in the limiting through hole. The bottom of the screw rod is provided with an internal adjusting groove, and the screw rod is an optical adjusting screw rod.