Lens testing mechanism convenient to fix
By designing a lens testing mechanism including bottom plate, transverse column, height-adjustable column and rotary column, the problems of fixed instability and position unadjustable in lens testing are solved, stable clamping and multi-directional adjustment of the lens are achieved, and the accuracy and flexibility of the test are improved.
Patent Information
- Application Number
- CN202422187705.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The fixing effect of the existing lens testing mechanism is unstable and the position cannot be changed according to different test needs, resulting in large errors in the test results and limited use.
A lens testing mechanism including a base plate, a transverse column, a height-adjustment column, a rotary column and a removable fixing assembly is designed. Through the cooperation of the slide groove, magnetic block and fixing screw, stable clamping and multi-directional adjustment of the lens are achieved.
It realizes stable fixation and all-round adjustment of the lens, improves the convenience and flexibility of testing, and reduces test errors.
Smart Images
Figure CN223050831U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens testing, and more specifically to a lens testing mechanism that is convenient to fix. Background Art
[0002] With the rapid development of the projection display industry, medical endoscope systems, telescopes, and optical lens industries, some spherical lenses, tools for medical devices, telescopes, and precision instruments for perspective focusing are inseparable from optical lenses. Before processing, it is usually necessary to test the lenses.
[0003] Existing lens testing mechanisms are usually directly placed on a plane. This method has unstable operation and fixing effects, easily leading to errors in test results. Moreover, the placement position is relatively single and cannot be changed according to different test requirements, resulting in limited use. Content of the Utility Model
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a lens testing mechanism that is convenient to fix to solve the problems existing in the above-mentioned background art.
[0005] The utility model provides the following technical solution: A lens testing mechanism that is convenient to fix, including a bottom plate. A chute is provided at the middle position of the bottom plate. A transverse moving column is movably connected in the chute. A fastening nut is movably connected to the bottom of the transverse moving column, and the fastening nut is in contact with the bottom of the bottom plate. A height-adjusting column is provided at the top of the transverse moving column. A pressing knob one is movably connected to one side of the transverse moving column, and the pressing knob one is in close contact with the height-adjusting column. A rotating column is movably connected to the top of the height-adjusting column. An extension column is movably connected by insertion inside the rotating column. A detachable fixing component is provided between the extension column and the rotating column. A locking component is provided between the rotating column and the height-adjusting column. One end of the extension column is fixedly connected to a guide rail. Two upper sliding tables and a lower sliding table are movably connected in the guide rail. Magnets are fixedly connected to the adjacent sides of the upper sliding table and the lower sliding table, and the two magnets are in contact with each other. An upper ring sleeve is fixedly connected to one side of the upper sliding table. A lower ring sleeve is fixedly connected to one side of the lower sliding table. A fixing screw is movably connected to one side of the lower sliding table, and the fixing screw is in contact with the guide rail.
[0006] As a further scheme of the utility model, the locking component includes a pressing knob two, and the pressing knob two is fixed to the top of the height-adjusting column by a bolt. A rubber pad is fixedly connected to the bottom end of the pressing knob two, and the rubber pad is in contact with the rotating column.
[0007] As a further scheme of the utility model, the fixing component includes a plurality of card slots. The card slots are opened on the outer side of the extension column. A card board is movably connected by insertion to one side of the height-adjusting column, and the card board is engaged with the card slots.
[0008] As a further solution of the utility model, two tension springs are fixedly connected to one side of the clamping plate, and the tension springs are fixed to the rotating column.
[0009] As a further solution of the utility model, annular grooves are formed inside both the upper annular sleeve and the lower annular sleeve.
[0010] As a further solution of the utility model, the bottom of the upper annular sleeve contacts the top of the lower annular sleeve.
[0011] As a further solution of the utility model, a plurality of fixing holes are formed inside the bottom plate, and the fixing holes are symmetrically distributed.
[0012] As a further solution of the utility model, a pull handle is fixedly connected to the top of the upper annular sleeve.
[0013] The technical effects and advantages of the utility model:
[0014] 1. By the combined use of the upper sliding table and the lower sliding table, the utility model facilitates the clamping and fixing of the lens by the annular grooves in the upper annular sleeve and the lower annular sleeve, thereby enabling the lens to remain stable, facilitating subsequent detection by the staff, and improving the convenience of the device.
[0015] 2. By the combined use of the height-adjusting column, the lateral movement column, the extension column and the rotating column, the utility model enables the all-round adjustment of the position of the lens, facilitating adaptation to different detection scenarios, with simple operation and improved flexibility of the device.
[0016] 3. In the utility model, the fixing screw can limit and fix the position of the lower sliding table to prevent the lower sliding table from moving downward out of the guide rail. At the same time, the contact of the two magnetic blocks can fix the upper sliding table and the lower sliding table, preventing the upper annular sleeve from being easily separated from the lower annular sleeve and improving the use effect of the device. Description of the Drawings
[0017] Figure 1 It is a front-side three-dimensional structural schematic diagram of a lens testing mechanism convenient for fixing according to the utility model.
[0018] Figure 2 It is a bottom-side three-dimensional structural schematic diagram of a lens testing mechanism convenient for fixing according to the utility model.
[0019] Figure 3 It is a partial enlarged structural schematic diagram of a lens testing mechanism convenient for fixing according to the utility model.
[0020] Figure 4 It is an enlarged structural schematic diagram of part A of a lens testing mechanism convenient for fixing according to the utility model.
[0021] The reference numerals are: 1, height-adjusting column; 2, first pressing knob; 3, transverse movement column; 4, bottom plate; 5, sliding groove; 6, fixing hole; 7, extension column; 8, clamping groove; 9, clamping plate; 10, tension spring; 11, rotating column; 12, fastening nut; 13, second pressing knob; 14, rubber pad; 15, guide rail; 16, upper sliding table; 17, magnetic block; 18, lower sliding table; 19, fixing screw; 20, annular groove; 21, lower annular sleeve; 22, upper annular sleeve. Detailed implementation manners
[0022] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the present utility model. In addition, the forms of the respective structures described in the following implementation manners are merely examples, and the present utility model is not limited to the respective structures described in the following implementation manners. All other implementation manners obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.
[0023] Refer to Figures 1 - 4, A lens testing mechanism that is convenient for fixing, comprising a bottom plate 4 and a testing mechanism body. The testing mechanism body includes a testing platform, a testing light source, and a photoelectric receiver. The bottom plate 4 is fixed on the testing platform. A sliding groove 5 is provided at the middle position of the bottom plate 4. A transverse moving column 3 is slidably connected in the sliding groove 5. A fastening nut 12 is threadedly connected to the bottom of the transverse moving column 3, and the fastening nut 12 is in contact with the bottom of the bottom plate 4. Push the transverse moving column 3 along the sliding groove 5, and fix the position of the moved transverse moving column 3 through the fastening nut 12. A height-adjusting column 1 is provided at the top of the transverse moving column 3. A pressing knob 1 2 is threadedly connected to one side of the transverse moving column 3, and the pressing knob 1 2 is in close contact with the height-adjusting column 1. When it is necessary to adjust the height and angle of the lens, rotate the pressing knob 1 2 to separate it from the height-adjusting column 1, then move the height-adjusting column 1 upward to the required height, rotate the height-adjusting column 1 to the required angle, and then tighten the pressing knob 1 2. A rotating column 11 is rotatably connected to the top of the height-adjusting column 1. An extension column 7 is inserted and slidably connected inside the rotating column 11. A detachable fixing component is provided between the extension column 7 and the rotating column 11. A locking component is provided between the rotating column 11 and the height-adjusting column 1. A guide rail 15 is welded to one end of the extension column 7. Two upper sliding platforms 16 and a lower sliding platform 18 are slidably connected in the guide rail 15. Magnets 17 are fixed to the adjacent sides of the upper sliding platform 16 and the lower sliding platform 18 by bolts, and the two magnets 17 are in contact. The contact of the two magnets 17 can fix the upper sliding platform 16 and the lower sliding platform 18. An upper ring sleeve 22 is fixed to one side of the upper sliding platform 16 by bolts, and a lower ring sleeve 21 is fixed to one side of the lower sliding platform 18 by bolts. Ring grooves 20 are provided inside the upper ring sleeve 22 and the lower ring sleeve 21. Place the device on the testing platform and fix the device on the testing platform through the fixing holes 6. Then pull the upper ring sleeve 22 upward to move the upper sliding platform 16 upward along the guide rail 15, and the two magnets 17 are separated. Then the staff places the lens to be detected into the ring groove 20 inside the lower ring sleeve 21, and then reset the upper ring sleeve 22 and the connected magnet 17 to stably clamp the lens inside the ring grooves 20 of the upper ring sleeve 22 and the lower ring sleeve 21. A fixing screw 19 is threadedly connected to one side of the lower sliding platform 18, and the fixing screw 19 is in contact with the guide rail 15. The fixing screw 19 can limit and fix the position of the lower sliding platform 18 to prevent the lower sliding platform 18 from moving downward and moving out of the guide rail 15.
[0024] In the present utility model, it should be noted that the locking assembly includes a second pressing knob 13, and the second pressing knob 13 is fixed to the top of the height-adjusting column 1 by bolts. A rubber pad 14 is bonded to the bottom end of the second pressing knob 13, and the rubber pad 14 is in contact with the rotating column 11. When the angle of the lens needs to be further adjusted, the extension column 7 is rotated upward to lift the clamped lens upward, and the inclination angle of the extension column 7 is fixed by the second pressing knob 13. The fixing assembly includes a plurality of card slots 8, the card slots 8 are opened on the outer side of the extension column 7, a clamping plate 9 is inserted and slidably connected to one side of the height-adjusting column 1, and the clamping plate 9 is engaged with the card slots 8. Two tension springs 10 are welded to one side of the clamping plate 9, and the tension springs 10 are fixed to the rotating column 11. The clamping plate 9 is pulled to move it out of the card slot 8, and the tension springs 10 contract. The extension column 7 is pulled to move it along the rotating column 11, so as to further adjust the position of the lens. The bottom of the upper ring sleeve 22 is in contact with the top of the lower ring sleeve 21. A plurality of fixing holes 6 are opened in the bottom plate 4, and the fixing holes 6 are symmetrically distributed. A pull handle is bonded to the top of the upper ring sleeve 22.
[0025] The working principle of the present utility model: When the lens needs to be tested, first place the device on the test platform and fix the device on the test platform through the fixing holes 6. Then pull the upper ring sleeve 22 upward to make the upper sliding table 16 move upward along the guide rail 15, and the two magnetic blocks 17 are separated. Then the staff places the lens to be detected into the annular groove 20 in the lower ring sleeve 21, and then reset the upper ring sleeve 22 and the connected magnetic blocks 17 to stably clamp the lens in the annular groove 20 in the upper ring sleeve 22 and the lower ring sleeve 21. When the height and angle of the lens need to be adjusted, rotate the first pressing knob 2 to separate it from the height-adjusting column 1, then move the height-adjusting column 1 upward to the required height, rotate the height-adjusting column 1 to the required angle, and then tighten the first pressing knob 2. Push the transverse movement column 3 along the sliding groove 5 and fix the position of the moved transverse movement column 3 through the fastening nut 12. When the angle of the lens needs to be further adjusted, rotate the extension column 7 upward to lift the clamped lens upward, and fix the inclination angle of the extension column 7 through the second pressing knob 13 and the rubber pad 14. When the position of the lens needs to be further adjusted, pull the clamping plate 9 to move it out of the card slot 8, and the tension springs 10 contract. Pull the extension column 7 to move it along the rotating column 11, so as to further adjust the position of the lens.
[0026] Finally, the following points should be noted: In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object to be described changes, the relative position relationship may change;
[0027] In the accompanying drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference may be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model may be combined with each other.
Claims
1. A lens testing mechanism that is easy to fix, comprising a base plate (4), characterized in that: A slide groove (5) is provided in the middle of the bottom plate (4), and a transverse column (3) is movably connected in the slide groove (5). A fastening nut (12) is movably connected at the bottom of the transverse column (3), and the fastening nut (12) is in contact with the bottom of the bottom plate (4). A height adjustment column (1) is provided at the top of the transverse column (3), and a clamping knob (2) is movably connected to one side of the transverse column (3), and the clamping knob (2) is in close contact with the height adjustment column (1). A rotating column (11) is movably connected at the top of the height adjustment column (1), and an extension column (7) is movably connected inside the rotating column (11), and a detachable fixed member is provided between the extension column (7) and the rotating column (11). A fixed component is provided between the rotating column (11) and the height-adjusting column (1); one end of the extension column (7) is fixedly connected to a guide rail (15); two upper slides (16) and a lower slide (18) are movably connected in the guide rail (15); adjacent sides of the upper slide (16) and the lower slide (18) are fixedly connected to a magnetic block (17), and the two magnetic blocks (17) are in contact with each other; one side of the upper slide (16) is fixedly connected to an upper ring sleeve (22); one side of the lower slide (18) is fixedly connected to a lower ring sleeve (21); one side of the lower slide (18) is movably connected to a fixing screw (19), and the fixing screw (19) is in contact with the guide rail (15).
2. A lens testing mechanism that is easy to fix according to claim 1, characterized in that: The locking assembly comprises a second clamping knob (13), and the second clamping knob (13) is fixed to the top of the height adjustment column (1) by means of bolts, and the bottom end of the second clamping knob (13) is fixedly connected to a rubber pad (14), and the rubber pad (14) is in contact with the rotating column (11).
3. The lens testing mechanism that is easy to fix according to claim 1, characterized in that: The fixing assembly comprises a plurality of card slots (8), wherein the card slots (8) are arranged on the outside of the extension column (7), and a card plate (9) is plug-movably connected to one side of the height-adjusting column (1), and the card plate (9) is card-engaged with the card slots (8).
4. The lens testing mechanism that is easy to fix according to claim 3, characterized in that: Two tension springs (10) are fixedly connected to one side of the clamping plate (9), and the tension springs (10) are fixed to the rotating column (11).
5. The lens testing mechanism that is easy to fix according to claim 1, characterized in that: The upper ring sleeve (22) and the lower ring sleeve (21) are both provided with annular grooves (20) inside.
6. The lens testing mechanism that is easy to fix according to claim 5, characterized in that: The bottom of the upper ring sleeve (22) is in contact with the top of the lower ring sleeve (21).
7. The lens testing mechanism that is easy to fix according to claim 1, characterized in that: A plurality of fixing holes (6) are provided inside the bottom plate (4), and the fixing holes (6) are symmetrically distributed.
8. The lens testing mechanism that is easy to fix according to claim 1, characterized in that: A pull handle is fixedly connected to the top of the upper ring sleeve (22).