Two-dimensional scanning galvanometer adjusting and limiting device
By setting up installation holes and installing limit components on the base of the confocal microscope, the problem of unstable fixation of the galvanometer is solved, and the stable fixation and position adjustment of the galvanometer are achieved, meeting the actual production needs.
Patent Information
- Application Number
- CN202421563725.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-04
AI Technical Summary
In confocal micro-endoscopes, the prior art is difficult to effectively fix and calibrate the two-dimensional scanning galvanometer, resulting in uncertainty in the micron-level optical path transmission components and unable to meet actual production requirements.
A two-dimensional scanning galvanometer adjustment limiting device is designed. By setting up a mounting hole on the base and installing a limiting assembly in the installation hole, including a detachable pressing block and a pressing foot, a stable triangular structure is formed to ensure the fixation and position adjustment of the galvanometer.
This device effectively solves the problem of unstable fixation of the galvanometer, provides a limit adjustment solution with simple structure, stable and easy to use, and meets the actual production needs of confocal microscopes.
Smart Images
Figure CN222800946U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of optical imaging detection, in particular to a two-dimensional scanning galvanometer adjustment and limiting device. Background Art
[0002] The confocal microendoscope is a high-precision device. Whether it is the installation structure or the accuracy of the parts, a slight error can lead to a huge error. Its two-dimensional scanning galvanometer (referred to as the galvanometer) needs to be fixed and calibrated to adjust its position during the installation and debugging stage and regular calibration. At present, in the confocal microendoscope, a mounting hole is opened on the base, and the galvanometer fixed shaft is installed in the mounting hole and fixed by screws. This setting makes the screw contact with the galvanometer fixed shaft, which has great uncertainty for the micron-level confocal microendoscope optical path transmission components, does not meet the actual production requirements, and is difficult to use in actual production practice. Utility Model Content
[0003] The utility model aims to solve at least one of the above-mentioned technical problems and provides a two-dimensional scanning galvanometer adjustment and limiting device, including a base 1 and a galvanometer 2, wherein the base 1 is provided with a mounting hole 3, the galvanometer 2 is fixedly mounted in the mounting hole 3, a clamping block 42 for limiting the galvanometer 2 is detachably mounted in the mounting hole 3, a side of the clamping block 42 close to the galvanometer 2 is provided with an empty slot 43 and a clamping foot 44, the clamping foot 44 is arranged on both sides of the empty slot 43, the clamping foot 44 abuts against the galvanometer 2, and the empty slot 43 is suspended above the galvanometer 2.
[0004] Furthermore, the galvanometer 2 includes a fixed shaft 23 and a mirror element 24, the clamping block 42 abuts against the fixed shaft 23, the clamping block 42 is generally in an inverted U shape, and the contact surface of the clamping foot 44 and the galvanometer 2 is an arc surface that matches the surface of the fixed shaft.
[0005] Furthermore, a surface of the pressing block 42 away from the mirror component 24 is aligned with an opening of the mounting hole 3 away from the mirror component 24 .
[0006] Furthermore, it also includes a fixing bolt 41 , one end of which abuts against the pressing block 42 in the mounting hole 3 , and the other end passes through the base 1 and is threadedly connected to the base 1 .
[0007] Furthermore, the base 1 includes a base 11 and a base 2 12 which are vertically connected to each other and are an integrated structure. A galvanometer 1 21 is rotatably provided in the base 11 , and a galvanometer 22 is rotatably provided in the base 2 12 .
[0008] Furthermore, the base 11 is also provided with a reinforcement portion, and the mounting hole 3 is arranged on the reinforcement portion (15).
[0009] Furthermore, the base 1 includes a support base 14 installed on the bottom plate and a fixed base 13 located above the support base 14, the galvanometer 2 is installed on the fixed base 13, an adjustment gasket 6 is arranged between the fixed base 13 and the support base 14, the fixed base 13 is connected to the support base 14 through the lifting limit screw 5, and the adjustment gasket 6 is sleeved on the lifting limit screw 5.
[0010] Furthermore, there are a plurality of adjusting washers 6, and the lifting and limiting screw rod 5 is a lifting and limiting bolt, and the plurality of adjusting washers 6 are all sleeved on the lifting and limiting bolt.
[0011] Furthermore, the fixing seat 13 is further provided with a boss 7 , and the supporting seat 14 is correspondingly provided with a groove, and the side of the adjusting gasket 6 is in contact with the side wall of the boss 7 .
[0012] The utility model provides a two-dimensional scanning galvanometer limit adjustment device, comprising a base, a galvanometer, a mounting hole and a limit assembly. The galvanometer is rotatably mounted in the mounting hole of the base. Two clamping feet of the limit assembly and the fixed axis of the galvanometer form a stable triangular structure. The structure is very stable and the galvanometer is effectively fixed in the mounting hole. The structure of the present application is simple and stable and is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0014] Figure 1 It is a structural schematic diagram of a two-dimensional scanning galvanometer adjustment and limiting device of the present application;
[0015] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure of part A in the figure.
[0016] Figure 3 It is a structural schematic diagram of another two-dimensional scanning galvanometer adjustment and limiting device of the present application;
[0017] In the figure: 1. base; 11. first base; 12. second base; 13. support base; 14. fixed base; 15. reinforcement part; 2. galvanometer; 21. galvanometer one; 22. galvanometer two; 23. fixed shaft; 24. mirror part; 3. mounting hole; 4. limit assembly; 41. tightening bolt; 42. clamping block; 43. empty slot; 44. clamping foot; 5. lifting limit screw; 6. adjustment gasket; 7. boss. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. At the same time, it should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.
[0019] like Figure 1 , 2 As shown, a two-dimensional scanning galvanometer adjustment and limiting device of the utility model comprises a base 1 and a galvanometer 2. The base 1 comprises a base 11 and a base 2 12 which are vertically connected to each other and are an integrated structure. The base 11 and the base 2 12 are both provided with mounting holes 3. There are two galvanometers 2, including a galvanometer 1 21 and a galvanometer 22. Each galvanometer comprises a fixed shaft 23 and a mirror member 24. The galvanometer 1 21 is rotatably provided in the base 11, and the galvanometer 2 22 is rotatably provided in the base 2 12. The fixed shaft 23 of the galvanometer 2 is fixedly installed in the mounting hole 3. For the sake of stability and service life, a reinforcement part is further provided on the base 11, and the mounting hole 3 is provided on the reinforcement part (15).
[0020] The mounting hole 3 is provided with a limit assembly 4, specifically as follows Figure 2 As shown, the limiting assembly 4 includes a clamping block 42 detachably installed for limiting the galvanometer 2, and a slot 43 and a clamping foot 44 are provided on one side of the clamping block 42 close to the galvanometer 2. The clamping feet 44 are arranged on both sides of the slot 43, and the clamping feet 44 abut against the galvanometer 2, and the slot 43 is suspended above the galvanometer 2.
[0021] The clamping block 42 abuts against the fixed shaft 23. The clamping block 42 is in an inverted U shape as a whole. The contact surface of the clamping foot 44 and the galvanometer 2 is an arc surface that matches the surface of the fixed shaft. When the clamping block clamps the fixed shaft, the contact surface between the fixed shaft and the bottom of the mounting hole and the clamping blocks on both sides of the slot 43 form a stable three-legged triangle structure, which is very stable.
[0022] It also includes a fixing bolt 41 , one end of which abuts against the pressing block 42 in the mounting hole 3 , and the other end of which passes through the base 1 and is threadedly connected to the base 1 .
[0023] In addition, the surface of the pressing block 42 away from the mirror component 24 is aligned with the opening of the mounting hole 3 away from the mirror component 24 .
[0024] In another embodiment of the present invention, Figure 3 As shown, on the basis of the above-mentioned embodiment, the base 1 includes a support seat 14 installed on the bottom plate and a fixed seat 13 located above the support seat 14, that is, the original base is split into two, the galvanometer 2 is installed on the fixed seat 13, and an adjustment gasket 6 is arranged between the fixed seat 13 and the support seat 14. The fixed seat 13 is connected to the support seat 14 through a lifting limit screw 5, and the adjustment gasket 6 is sleeved on the lifting limit screw 5. There are multiple adjustment gaskets 6, and the lifting limit screw 5 is a lifting limit bolt, and multiple adjustment gaskets 6 are sleeved on the lifting limit bolt. By adding or reducing adjustment gaskets, the height of the galvanometer can be adjusted to facilitate the adjustment of the optical path of the confocal microendoscope.
[0025] Furthermore, the fixing seat 13 is also provided with a boss 7, and the supporting seat 14 is correspondingly provided with a groove, and the side of the adjusting gasket 6 is in contact with the side wall of the boss 7, so as to increase the stability of the base after being disassembled.
[0026] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A two-dimensional scanning galvanometer adjustment and limiting device, characterized in that: The invention comprises a base (1) and a galvanometer (2), wherein the base (1) is provided with a mounting hole (3), the galvanometer (2) is fixedly mounted in the mounting hole (3), a clamping block (42) for limiting the position of the galvanometer (2) is detachably mounted in the mounting hole (3), a hollow groove (43) and a clamping foot (44) are provided on a side of the clamping block (42) close to the galvanometer (2), the clamping foot (44) is arranged on both sides of the hollow groove (43), the clamping foot (44) abuts against the galvanometer (2), and the hollow groove (43) is suspended above the galvanometer (2).
2. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 1, characterized in that: The galvanometer (2) comprises a fixed shaft (23) and a mirror element (24); the clamping block (42) abuts against the fixed shaft (23); the clamping block (42) is generally in an inverted U shape; and the contact surface of the clamping foot (44) and the galvanometer (2) is an arc surface that matches the surface of the fixed shaft.
3. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 2, characterized in that: The surface of the pressing block (42) away from the mirror component (24) is aligned with the opening of the mounting hole (3) away from the mirror component (24).
4. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 1, characterized in that: It also includes a fixing bolt (41), one end of which abuts against the pressing block (42) in the mounting hole (3), and the other end of which passes through the base (1) and is threadedly connected to the base (1).
5. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 4, characterized in that: The galvanometer comprises a galvanometer 1 (21) and a galvanometer 2 (22); the base (1) comprises a base 1 (11) and a base 2 (12) which are vertically connected to each other and are an integrated structure; the galvanometer 1 (21) is rotatably arranged in the base 1 (11); and the galvanometer 2 (22) is rotatably arranged in the base 2 (12).
6. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 5, characterized in that: The base 1 (11) is also provided with a reinforcement portion, and the mounting hole (3) is arranged on the reinforcement portion (15).
7. The two-dimensional scanning galvanometer adjustment and limiting device according to any one of claims 1 to 6, characterized in that: The base (1) comprises a support seat (14) mounted on a bottom plate and a fixed seat (13) located above the support seat (14); the galvanometer (2) is mounted on the fixed seat (13); an adjustment gasket (6) is provided between the fixed seat (13) and the support seat (14); the fixed seat (13) is connected to the support seat (14) via a lifting limit screw (5); and the adjustment gasket (6) is sleeved on the lifting limit screw (5).
8. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 7, characterized in that: There are a plurality of adjusting washers (6), the lifting limit screw (5) is a lifting limit bolt, and the plurality of adjusting washers (6) are sleeved on the lifting limit bolt.
9. The two-dimensional scanning galvanometer adjustment and limiting device according to claim 7, characterized in that: The fixing seat (13) is also provided with a boss (7), and the supporting seat (14) is correspondingly provided with a groove, and the side portion of the adjusting gasket (6) is in contact with the side wall of the boss (7).