Two-dimensional displacement stability-maintaining adjusting mechanism
By using a rotating connection design of a stacked base plate, lower motion plate, and upper motion plate, the problems of large size and unstable precision of optical displacement adjustment mechanisms are solved, and high-precision displacement adjustment of small-sized devices is achieved.
Patent Information
- Application Number
- CN202422918517.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing optical displacement adjustment mechanisms are large and complex, and their accuracy is unstable when installed in small sizes and over short distances, with spring force affecting stability.
The base plate, lower moving plate, and upper moving plate are stacked and rotated together. The design of ball joints and connecting blocks reduces the number of parts and enables two-dimensional position adjustment.
It is suitable for adjusting the displacement of small-sized, short-distance devices, reducing the impact of component precision and improving adjustment accuracy and stability.
Smart Images

Figure CN223539051U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical assembly and testing technology, and in particular to a two-dimensional displacement stabilization and adjustment mechanism. Background Technology
[0002] In optical systems, displacement adjustment mechanisms are often used to precisely adjust the position of optical components.
[0003] Currently, the displacement adjustment mechanism commonly used in the industry connects the fixed plate and the moving plate with a spring. After connecting the fixed plate and the moving plate with adjusting bolts, the moving plate is driven to allow relative displacement between the moving plate and the fixed plate. The plate is then tightened at a specified position, thereby achieving position adjustment.
[0004] This traditional mechanism requires a relatively large volume due to the need to install multiple components such as springs and guide rails between the fixed and moving plates, resulting in a complex overall structure. The displacement accuracy can be affected by any one of these components. Furthermore, it is unsuitable when the spacing between optical components in the optical path is small and installation space is limited. Moreover, the presence of springs can affect stability when the moving plate experiences an acceleration in the opposite direction to the spring force during overall mechanism movement. Utility Model Content
[0005] In response to the shortcomings of the existing production technology, the applicant provides a two-dimensional displacement stabilization and adjustment mechanism with a reasonable structure, which is suitable for displacement adjustment of small-sized and short-distance devices. At the same time, the number of parts is reduced, thereby reducing the risk that the accuracy of the parts will affect the adjustment accuracy.
[0006] The technical solution adopted in this utility model is as follows:
[0007] A two-dimensional displacement stabilization and adjustment mechanism includes a base plate, a lower moving plate, and an upper moving plate stacked and rotatably connected to each other. Rotating components are provided between the base plate and the lower moving plate, and between the lower moving plate and the upper moving plate. The upper moving plate is a component mounting plate.
[0008] The rotating assembly includes:
[0009] The adjusting rod is rotatably connected to the reference plate.
[0010] The ball joint is rotatably connected to the end of the adjusting rod.
[0011] The connecting block extends from the plate, which is a moving part, and the ball head connects with the connecting block during the movement.
[0012] A reference block is formed on the basic plate, and an adjustment rod is set through the reference block.
[0013] The adjusting rod is parallel to the edge of the plate it is located on.
[0014] The connecting block has a through groove, with the opening and both ends of the through groove being open. The through groove is parallel to the adjusting rod, and the movement path of the ball head passes through the through groove.
[0015] The rotating structure between the base plate and the lower moving plate is as follows:
[0016] The base plate serves as a reference, and a first reference block extends from the base plate, through which a first adjusting rod passes.
[0017] The lower motion plate is a moving part, and a first connecting block is formed on the side of the lower motion plate. The reciprocating motion path of the ball head of the first adjusting rod passes through the through groove of the first connecting block.
[0018] The rotational structure between the lower and upper moving plates is as follows:
[0019] The lower motion plate serves as a reference, and a second reference block extends from the lower motion plate. A second adjusting rod passes through the second reference block.
[0020] The upper motion plate is a moving part, and a second connecting block is formed on the side of the upper motion plate. The reciprocating motion path of the ball head of the second adjusting rod passes through the through groove of the second connecting block.
[0021] The first connecting block and the second reference block are located at the two edges of the lower moving plate, respectively.
[0022] The relative motion between the base plate and the lower moving plate, and the relative motion between the lower moving plate and the upper moving plate, can be carried out synchronously.
[0023] A rotating shaft runs through the base plate, the lower moving plate, and the upper moving plate, and there are also bolts and disc springs fitted at the bolts.
[0024] Beneficial effects:
[0025] This application achieves two-dimensional position adjustment by setting up a base plate, a lower moving plate, and an upper moving plate that are stacked and rotatably connected to each other. It is suitable for displacement adjustment of small-sized, short-distance devices, while reducing the number of components and minimizing the risk that component precision will affect adjustment accuracy. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the base plate and lower moving plate structure of this application.
[0027] Figure 2 This is a schematic diagram of the overall combined structure of the base plate, lower motion plate, and upper motion plate of this application.
[0028] The components include: 1. base plate; 2. lower moving plate; 3. upper moving plate; 4. rotating assembly; 5. rotating shaft; 6. bolt; 7. disc spring.
[0029] 401. First reference block; 402. First adjusting rod; 403. First connecting block; 405. Second reference block; 406. Second adjusting rod; 407. Second connecting block. Detailed Implementation
[0030] The specific embodiments of this utility model are described below with reference to the accompanying drawings.
[0031] A two-dimensional displacement stabilization and adjustment mechanism includes a base plate 1, a lower moving plate 2, and an upper moving plate 3 stacked and rotatably connected to each other. Rotating components 4 are provided between the base plate 1 and the lower moving plate 2, and between the lower moving plate 2 and the upper moving plate 3. The upper moving plate 3 is a component mounting plate.
[0032] Rotating component 4 includes:
[0033] The adjusting rod is rotatably connected to the reference plate.
[0034] The ball joint is rotatably connected to the end of the adjusting rod.
[0035] The connecting block extends from the plate, which is a moving part, and the ball head connects with the connecting block during the movement.
[0036] A reference block is formed on the basic plate, and an adjustment rod is set through the reference block.
[0037] The adjusting rod is parallel to the edge of the plate it is located on.
[0038] The connecting block has a through groove, with the opening and both ends of the through groove being open. The through groove is parallel to the adjusting rod, and the movement path of the ball head passes through the through groove.
[0039] The rotational structure between the base plate 1 and the lower moving plate 2 is as follows:
[0040] The base plate 1 serves as a reference, and a first reference block 401 extends from the base plate 1. A first adjusting rod 402 passes through the first reference block 401.
[0041] The lower motion plate 2 is a moving part, and a first connecting block 403 is formed on the side of the lower motion plate 2. The reciprocating motion path of the ball head of the first adjusting rod 402 passes through the through groove of the first connecting block 403.
[0042] The rotational structure between the lower moving plate 2 and the upper moving plate 3 is as follows:
[0043] The lower motion plate 2 serves as a reference, and a second reference block 405 extends from the lower motion plate 2. A second adjusting rod 406 passes through the second reference block 405.
[0044] The upper motion plate 3 serves as a moving part, and a second connecting block 407 is formed on the side of the upper motion plate 3. The reciprocating motion path of the ball head of the second adjusting rod 406 passes through the through groove of the second connecting block 407.
[0045] The first connecting block 403 and the second reference block 405 are located at the two edges of the lower moving plate 2, respectively.
[0046] The relative motion between the base plate 1 and the lower moving plate 2, and the relative motion between the lower moving plate 2 and the upper moving plate 3, can be carried out synchronously.
[0047] A rotating shaft 5 runs through the base plate 1, the lower moving plate 2, and the upper moving plate 3. Bolts 6 and disc springs 7 are also provided at the bolts 6.
[0048] The above description is an explanation of the present utility model and not a limitation thereof. The scope of the present utility model is defined by the claims. Within the protection scope of the present utility model, any form of modification may be made.
Claims
1. A two-dimensional displacement stabilization and adjustment mechanism, characterized in that: The system includes a base plate, a lower moving plate, and an upper moving plate that are stacked and rotatably connected to each other. Rotating components are provided between the base plate and the lower moving plate, and between the lower moving plate and the upper moving plate. The upper moving plate serves as a component mounting plate. The rotating assembly includes: The adjusting rod is rotatably connected to the reference plate. The ball joint is rotatably connected to the end of the adjusting rod. The connecting block extends from the plate, which is a moving part, and the ball head connects with the connecting block during the movement.
2. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 1, characterized in that: A reference block is formed on the basic plate, and an adjustment rod is set through the reference block.
3. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 2, characterized in that: The adjusting rod is parallel to the edge of the plate it is located on.
4. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 1, characterized in that: The connecting block has a through groove, with the opening and both ends of the through groove being open. The through groove is parallel to the adjusting rod, and the movement path of the ball head passes through the through groove.
5. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 2, characterized in that: The rotating structure between the base plate and the lower moving plate is as follows: The base plate serves as a reference, and a first reference block extends from the base plate. A first adjusting rod passes through the first reference block. The lower moving plate serves as a moving part, and a first connecting block is formed on the side of the lower moving plate. The reciprocating motion path of the ball head of the first adjusting rod passes through the through groove of the first connecting block.
6. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 5, characterized in that: The rotational structure between the lower and upper moving plates is as follows: The lower motion plate serves as a reference, and a second reference block extends from the lower motion plate. A second adjusting rod passes through the second reference block. The upper motion plate is a moving part, and a second connecting block is formed on the side of the upper motion plate. The reciprocating motion path of the ball head of the second adjusting rod passes through the through groove of the second connecting block.
7. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 6, characterized in that: The first connecting block and the second reference block are located at the two edges of the lower moving plate, respectively.
8. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 1, characterized in that: The relative motion between the base plate and the lower moving plate, and the relative motion between the lower moving plate and the upper moving plate, can be carried out synchronously.
9. The two-dimensional displacement stabilization and adjustment mechanism as described in claim 1, characterized in that: A rotating shaft runs through the base plate, the lower moving plate, and the upper moving plate, and there are also bolts and disc springs fitted at the bolts.