Angle adjusting mechanism of optical instrument

Abstract

The utility model relates to the technical field of optical instruments, and discloses an angle adjusting mechanism of an optical instrument, the upper surface of a base is fixedly connected with a supporting rod, the inner wall of the supporting rod is slidably connected with a sliding rod, the inner wall of the sliding rod is fixedly connected with a first rack, the first rack is meshed with a first gear, and the first gear is meshed with a second gear. Teeth of the first gear are engaged with a second rack, a first sliding groove is formed in the outer surface of the second rack, the inner wall of the first sliding groove is slidably connected with a first fixing column, a rotating block is rotated, a rotating cylinder rotates, the rotating cylinder is fixedly connected with a third gear, the third gear rotates, a first toothed chain rotates together, and the first toothed chain drives the second gear to rotate; the second gear and the first gear are fixedly connected through a second fixing column, the second gear drives the first gear to rotate, the first gear drives a first rack to slide upwards and a second rack to slide downwards, the first rack is fixedly connected with a sliding rod, the first rack drives the sliding rod to slide upwards, height adjustment is conducted, and after adjustment is completed, the height is fixed through a limiting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of optical instruments, and specifically relates to an angle adjustment mechanism for an optical instrument. Background Technique

[0002] The development of optical instruments has a long and rich historical background, covering multiple important stages and technological advancements. With the development of physics and astronomy, the invention of telescopes and microscopes has greatly promoted the progress of optical instruments. Telescopes enable people to observe celestial bodies more deeply, while microscopes have opened the door to the microscopic world. The emergence of laser technology has brought new means for optical measurement and communication; the application of photodetectors and sensors enables optical instruments to achieve automated and digital measurement; and the invention of optical fibers has completely changed the communication field.

[0003] After retrieval, the Chinese utility model patent with the publication number CN216667096U discloses an angle adjustment mechanism for an optical instrument, which relates to the technical field of optical instruments. It includes a base. Grooves are opened at the four circumferences of the bottom end of the base. Threaded rods are fixed inside the grooves of the base. Sleeves are threadedly connected to the threaded rods. Adjusting knobs are sleeved on the outer walls of the bottom ends of the sleeves. Bearings are fixedly connected to the bottom ends of the sleeves. Suction cups are fixed to the bottom ends of the bearings. A carrier table is fixed on the upper surface of the base. A column located on the left side of the carrier table is fixed on the upper surface of the base. A rotating shaft is movably installed at the top end of the column. A fixed seat is fixedly installed at the upper end of the rotating shaft. A second fastening knob is movably installed at the upper end of the fixed seat. The present invention can adjust the length of the sleeve, stably place the device on the workbench, ensure that the base is in a horizontal state, facilitate the use and observation of the microscope, and can perform multi-angle adjustment on the microscope body, improving the practicability of the device.

[0004] However, this device lacks a height adjustment function. When in use, it is impossible to adjust the height at which the optical instrument is used, resulting in the inability to use it at the required height. Moreover, this device lacks an instrument rotation function. When in use, the instrument cannot rotate, resulting in the inability to use the device at different angles. Content of the Utility Model

[0005] (1) Technical Problem to be Solved

[0006] The purpose of the present utility model is to provide an angle adjustment mechanism for an optical instrument to solve the problem of being inconvenient to adjust the safety protection range according to different usage scenarios and usage requirements as mentioned in the above background technique.

[0007] (2) Technical Solution

[0008] To achieve the above object, the present utility model provides the following technical solutions: An angle adjustment mechanism for an optical instrument, including a base, a support rod fixedly connected to the upper surface of the base, a sliding rod slidably connected to the inner wall of the support rod, a first rack fixedly connected to the inner wall of the sliding rod, a first gear meshing with the teeth of the first rack, a second rack meshing with the teeth of the first gear, a first sliding groove formed on the outer surface of the second rack, a first fixing column slidably connected to the inner wall of the first sliding groove, a support rod fixedly connected to the outer surface of the fixing column, a rotating cylinder rotatably connected to the outer surface of the support rod, a first limiting hole formed near the rotating cylinder on the outer surface of the support rod, and a first limiting rod inserted into the first limiting hole.

[0009] Preferably, a second fixing column is fixedly connected to the upper surface of the first gear, a second gear is fixedly connected to the top end of the second fixing column, a first chain meshes with the teeth of the second gear, a third gear meshes with the teeth of the first chain away from the second gear, a rotating cylinder penetrates through the third gear, one end of the rotating cylinder is rotatably connected to a support column, and a rotating block is fixedly connected to the other end of the rotating cylinder away from the support column.

[0010] Preferably, a round block is fixedly connected to the top end of the sliding rod, a round groove is formed inside the round block, a rotating circle is rotatably connected to the inner wall of the round groove, a scale circle is rotatably connected to the top end of the rotating circle, a device box is fixedly connected to the scale circle, a second limiting hole is formed on the upper surface of the device box, and a second limiting rod is inserted into the second limiting hole.

[0011] Preferably, a second fixing column is fixedly connected to the rotating circle, and the second fixing column is rotatably connected to the scale circle.

[0012] Preferably, a fourth gear is fixedly connected to the top end of the second fixing column, a second chain meshes with the teeth of the fourth gear, a fifth gear meshes with the teeth of the second chain away from the fourth gear, a third fixing column is fixedly connected to the lower surface of the fifth gear, and a fourth fixing column is fixedly connected to the upper surface of the fifth gear.

[0013] Preferably, a support block is fixedly connected to the bottom end of the third fixing column, an angle adjustment block is fixedly connected to the top end of the support block, a fifth fixing column is fixedly connected to the outer surface of the angle adjustment block, and an optical instrument is fixedly connected to the top end of the fifth fixing column.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. For this utility model, when the rotating block is rotated, the rotating cylinder rotates. The rotating cylinder is fixedly connected to Gear III, and Gear III rotates. Chain I rotates together, and Chain I drives Gear II to rotate. Gear II and Gear I are fixedly connected by Fixing Column II, and Gear II drives Gear I to rotate. Gear I drives Rack I to slide upward and Rack II to slide downward. Rack I is fixedly connected to the sliding rod, and Rack I drives the sliding rod to slide upward for height adjustment. After the adjustment is completed, the limiting rod is used to fix the height.

[0016] 2. For this utility model, when the rotating circle is rotated, precise rotation is carried out on the scale circle of the rotating circle. The rotating circle is fixedly connected to Gear IV by Fixing Column II, and Gear IV rotates together with the rotating circle. When Gear IV rotates, Chain II follows Gear IV to drive Gear V to rotate together. Gear V is fixedly connected to Fixing Column III, and Fixing Column III is fixedly connected to the optical instrument. When Gear V rotates, the angle of the optical instrument rotates. After the rotation is completed, the limiting rod II is used to fix the angle. Description of the Drawings

[0017] Figure 1 Schematic diagram of the overall angle adjustment mechanism of this utility model;

[0018] Figure 2 Schematic diagram of Gear II and Chain I of this utility model;

[0019] Figure 3 Schematic diagram of the rotating circle and the scale circle of this utility model;

[0020] Figure 4 Schematic diagram of Gear IV and Chain II of this utility model.

[0021] Labels in the figure:

[0022] In the figure: 1. Base; 2. Support rod; 3. Sliding rod; 4. Rack I; 5. Gear I; 6. Rack II; 7. Sliding groove I; 8. Fixing Column I; 9. Rotating cylinder; 10. Limiting hole I; 11. Limiting rod I; 12. Fixing Column II; 13. Gear II; 14. Chain I; 15. Gear III; 16. Support column; 17. Rotating block; 18. Round block; 19. Round groove; 20. Rotating circle; 21. Scale circle; 22. Device box; 23. Limiting hole II; 24. Limiting rod II; 25. Gear IV; 26. Chain II; 27. Gear V; 28. Fixing Column III; 29. Fixing Column IV; 30. Support block; 31. Angle adjustment block; 32. Fixing Column V; 33. Optical instrument. Detailed Implementation Modes

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 - 4 , the present utility model provides a technical solution; an angle adjustment mechanism for an optical instrument, including a base 1, a support rod 2 fixedly connected to the upper surface of the base 1, a sliding rod 3 slidably connected to the inner wall of the support rod 2, a first rack 4 fixedly connected to the inner wall of the sliding rod 3, a first gear 5 meshing with the teeth of the first rack 4, a second rack 6 meshing with the teeth of the first gear 5, a first sliding groove 7 opened on the outer surface of the second rack 6, a first fixing column 8 slidably connected to the inner wall of the first sliding groove 7, the outer surface of the fixing column is fixedly connected to the support rod 2, a rotating cylinder 9 is rotatably connected to the outer surface of the support rod 2, a first limiting hole 10 is opened on the outer surface of the support rod 2 near the rotating cylinder 9, a first limiting rod 11 is inserted into the first limiting hole, when the first gear 5 rotates, the second rack 6 moves downward, the first rack 4 moves upward, the second rack 6 slides on the first fixing column 8, and the first rack 4 drives the sliding rod 3 to move upward for height adjustment. After the adjustment is completed, the first limiting rod 11 is used for height fixing.

[0025] In this embodiment, preferably, a second fixing column 12 is fixedly connected to the upper surface of the first gear 5, a second gear 13 is fixedly connected to the top end of the second fixing column 12, a first tooth chain 14 meshes with the teeth of the second gear 13, the first tooth chain 14 is far from the teeth of the second gear 13 and meshes with a third gear 15, a rotating cylinder 20 penetrates through the third gear 15, one end of the rotating cylinder 20 is rotatably connected to a support column 16, a rotating block 17 is fixedly connected to one end of the rotating cylinder 9 far from the support column 16, when the rotating block 17 is rotated, the rotating cylinder rotates, the rotating cylinder 9 drives the third gear 15 to rotate, the third gear 15 drives the first tooth chain 14 to rotate together, and the first tooth chain 14 drives the second gear 13 to rotate, so that the second fixing column 12 rotates together.

[0026] In this embodiment, preferably, a round block 18 is fixedly connected to the top end of the sliding rod 3, a round groove 19 is opened in the round block 18, a rotating circle 20 is rotatably connected to the inner wall of the round groove 19, the top end of the rotating circle 20 is rotatably connected to a scale circle 21, the scale circle 21 is fixedly connected to a device box 22, a second limiting hole 23 is opened on the upper surface of the device box 22, a second limiting rod 24 is inserted into the inner wall of the second limiting hole 23, the rotating circle 20 rotates on the scale circle 21, and precise angle adjustment can be performed. The second limiting rod 24 can be fixed after the angle adjustment is completed.

[0027] In this embodiment, preferably, the rotating circle 20 is fixedly connected to the second fixed column 12, and the second fixed column 12 is rotatably connected to the graduated circle 21. The rotating circle 20 drives the second fixed column 12 to rotate, and the graduated circle 21 helps the rotating circle 20 to rotate precisely.

[0028] In this embodiment, preferably, a fourth gear 25 is fixedly connected to the top end of the second fixed column 12. The fourth gear 25 meshes with a second chain 26. The second chain 26 meshes with a fifth gear 27 away from the teeth of the fourth gear 25. A third fixed column 28 is fixedly connected to the lower surface of the fifth gear 27, and a fourth fixed column 29 is fixedly connected to the upper surface of the fifth gear 27. When the second fixed column 12 rotates, the fourth gear 25 rotates, driving the second chain 26 and the fifth gear 27 to rotate together. The rotation of the fifth gear 27 causes the third fixed column 28 to rotate, and the fifth gear 27 drives the third fixed column 28 on the lower surface to rotate.

[0029] In this embodiment, preferably, a support block 30 is fixedly connected to the bottom end of the third fixed column 28. An angle adjustment block 31 is fixedly connected to the top end of the support block 30. A fifth fixed column 32 is fixedly connected to the outer surface of the angle adjustment block 31. An optical instrument 33 is fixedly connected to the top end of the fifth fixed column 32. When the third fixed column 28 rotates, the support block 30 rotates, and the support block 30 drives the fifth fixed column 32 and thus the optical instrument 33 to rotate together.

[0030] When the angle adjustment mechanism of an optical instrument in this embodiment is in use, rotate the rotating block 17. The rotating cylinder 9 rotates. The rotation of the rotating cylinder 9 drives the third gear 15 to rotate. The third gear 15 drives the first chain 14 to rotate together. The rotation of the first chain 14 drives the second gear 13 to rotate, causing the second fixed column 12 to rotate together. The second fixed column 12 drives the first gear 5 to rotate, the second rack 6 moves downward, and the first rack 4 moves upward. The second rack 6 slides on the first fixed column 8, and the first rack 4 drives the sliding rod 3 to move upward for height adjustment. After the adjustment is completed, use the first limiting rod 11 to fix the height. Rotate the rotating circle 20. The rotating circle 20 rotates on the graduated circle 21, and precise angle adjustment can be performed. The rotating circle 20 drives the second fixed column 12 to rotate, causing the fourth gear 25 to rotate, driving the second chain 26 and the fifth gear 27 to rotate together. The rotation of the fifth gear 27 causes the third fixed column 28 to rotate, and the fifth gear 27 drives the third fixed column 28 on the lower surface to rotate. The rotation of the third fixed column 28 causes the support block 30 to rotate, and the support block 30 drives the fifth fixed column 32 and thus the optical instrument 33 to rotate together. The second limiting rod 24 can be fixed after the angle adjustment is completed.

[0031] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the protection scope of the present invention. Any simple modification or equivalent replacement of the technical solution of the present invention by those of ordinary skill in the art does not depart from the essence and scope of the technical solution of the present invention.

Claims

1. An angle adjustment mechanism for an optical instrument, comprising a base (1), characterized in that: On the upper surface of the base (1), a support rod (2) is fixedly connected. Inside the inner wall of the support rod (2), a sliding rod (3) is slidably connected. Inside the inner wall of the sliding rod (3), a first rack (4) is fixedly connected. The teeth of the first rack (4) are engaged with a first gear (5). The teeth of the first gear (5) are engaged with a second rack (6). On the outer surface of the second rack (6), a first sliding groove (7) is formed. Inside the inner wall of the first sliding groove (7), a first fixing column (8) is slidably connected. On the outer surface of the first fixing column (8), the support rod (2) is fixedly connected. On the outer surface of the support rod (2), a rotating cylinder (9) is rotatably connected. Near the rotating cylinder (9) on the outer surface of the support rod (2), a first limiting hole (10) is formed. Inside the first limiting hole (10), a first limiting rod (11) is inserted.

2. The angle adjustment mechanism of an optical instrument according to claim 1, characterized in that: On the upper surface of the first gear (5), a second fixing column (12) is fixedly connected. At the top end of the second fixing column (12), a second gear (13) is fixedly connected. The teeth of the second gear (13) are engaged with a first chain (14). Away from the teeth of the second gear (13), the first chain (14) is engaged with a third gear (15). Inside the third gear (15), the rotating cylinder (9) passes through. One end of the rotating cylinder (9) is rotatably connected to a support column (16). At the end of the rotating cylinder (9) away from the support column (16), a rotating block (17) is fixedly connected.

3. The angle adjustment mechanism of an optical instrument according to claim 1, characterized in that: At the top end of the sliding rod (3), a round block (18) is fixedly connected. Inside the round block (18), a round groove (19) is formed. Inside the inner wall of the round groove (19), a rotating circle (20) is rotatably connected. At the top end of the rotating circle (20), a graduated circle (21) is rotatably connected. The graduated circle (21) is fixedly connected to a device box (22). On the upper surface of the device box (22), a second limiting hole (23) is formed. Inside the inner wall of the second limiting hole (23), a second limiting rod (24) is inserted.

4. The angle adjustment mechanism of an optical instrument according to claim 1, characterized in that: The rotating circle (20) is fixedly connected to the second fixing column (12). The second fixing column (12) is rotatably connected to the graduated circle (21).

5. The angle adjustment mechanism of an optical instrument according to claim 2, characterized in that: At the top end of the second fixing column (12), a fourth gear (25) is fixedly connected. The teeth of the fourth gear (25) are engaged with a second chain (26). Away from the teeth of the fourth gear (25), the second chain (26) is engaged with a fifth gear (27). On the lower surface of the fifth gear (27), a third fixing column (28) is fixedly connected. On the upper surface of the fifth gear (27), a fourth fixing column (29) is fixedly connected.

6. The angle adjustment mechanism of an optical instrument according to claim 5, characterized in that: At the bottom end of the third fixing column (28), a support block (30) is fixedly connected. At the top end of the support block (30), an angle adjustment block (31) is fixedly connected. On the outer surface of the angle adjustment block (31), a fifth fixing column (32) is fixedly connected. At the top end of the fifth fixing column (32), an optical instrument (33) is fixedly connected.

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