Parts for a vehicle
By employing a lead screw combined with fine and coarse adjustment gears in the adjustment mechanism, the problem of low adjustment efficiency in existing technologies is solved, achieving efficient adjustment and data overlap, and making it easy to use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU XINYAN OPTOELECTRONICS TECH CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-06-02
AI Technical Summary
In existing adjustment mechanisms, the fine adjustment screw has a short stroke, requiring multiple adjustments to the coarse adjustment screw position, resulting in low adjustment efficiency and poor overlap between coarse and fine adjustment data, making it inconvenient to use.
A lead screw is used for coarse and fine adjustment. The design combines fine and coarse adjustment gears. Fine and coarse adjustment are achieved through fine adjustment drive components and coarse adjustment drive components respectively. Guide blocks are installed at the bottom of the moving base and on the support plate to ensure stability and load-bearing capacity.
It achieves the desired position without multiple coarse adjustments, improving adjustment efficiency, enhancing the overlap between coarse and fine adjustment data, and making it easier to use.
Smart Images

Figure CN224315822U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of experimental equipment technology, specifically a ten-thousand-level reading adjustment mechanism. Background Technology
[0002] The dial gauge reading adjustment mechanism is a high-precision mechanical adjustment device widely used in equipment requiring fine-tuning or precise control. Through precision mechanical design, the dial gauge reading adjustment mechanism achieves high-precision fine-tuning and is widely used in optical, measurement, and laboratory equipment to ensure the high precision and stability of the equipment.
[0003] Currently, existing adjustment mechanisms typically have two lead screws installed inside, one for coarse adjustment and the other for fine adjustment. In this method, because the fine adjustment lead screw has a short stroke, the position of the coarse adjustment lead screw needs to be adjusted multiple times to ensure that the required position is kept within the effective stroke of the fine adjustment lead screw. This results in low adjustment efficiency, poor overlap between coarse and fine adjustment data, and inconvenience in use. Utility Model Content
[0004] The purpose of this invention is to provide a ten-thousand-level reading adjustment mechanism to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a ten-thousand-level reading adjustment mechanism, comprising a sliding rail, an adjustment base slidably mounted on the sliding rail, a support plate mounted on the upper end of the adjustment base, the support plate being L-shaped, a vertical plate mounted on one end of the support plate, an adjustment screw rotatably connected between the support plate and the vertical plate via a bearing, a movable seat threadedly connected to the surface of the adjustment screw, a fixed assembly movably mounted above the movable seat, a connecting frame mounted on one end of the vertical plate, one end of the adjustment screw rotatably connected to the connecting frame, a fine adjustment gear mounted on the surface of the adjustment screw between the connecting frame and the vertical plate, a fine adjustment drive assembly mounted below the fine adjustment gear, a coarse adjustment gear mounted on the surface of the adjustment screw on one side of the fine adjustment gear, and a coarse adjustment drive assembly mounted below the coarse adjustment gear.
[0006] Preferably, the fine-tuning drive assembly includes a connecting block, a rotating worm gear, a reference dial, a fine-tuning dial, and a fine-tuning knob. Two connecting blocks are installed at one end of the vertical plate below the connecting frame. A rotating worm gear is rotatably connected between the two connecting blocks via a bearing. The rotating worm gear meshes with a fine-tuning gear. A reference dial is sleeved on one end of a connecting block on the surface of the rotating worm gear. A fine-tuning dial is installed on the surface of the rotating worm gear on one side of the reference dial. A fine-tuning knob is installed at one end of the rotating worm gear.
[0007] Preferably, the coarse adjustment drive assembly includes a mounting plate, a rotating shaft, a drive gear, a coarse adjustment knob, a coarse adjustment indicator plate, and a coarse adjustment dial. The mounting plate is mounted on one end of the connecting frame, and the rotating shaft is mounted on the surface of the mounting plate via bearing components. The drive gear is mounted on one end of the rotating shaft below the coarse adjustment gear, and the drive gear meshes with the coarse adjustment gear. The coarse adjustment knob is mounted on one end of the rotating shaft, and the coarse adjustment dial is mounted on the surface of the adjusting screw between the fine adjustment gear and the coarse adjustment gear. The coarse adjustment indicator plate is mounted on the upper end of the connecting frame.
[0008] Preferably, a limit bolt is installed at one end of the adjusting base through a screw hole.
[0009] Preferably, a sleeve is installed on the upper end of the movable seat, an adjusting rod is sleeved inside the sleeve, the fixing component is installed on the upper end of the adjusting rod, and a limit bolt is installed on the surface of the sleeve through a screw hole.
[0010] Preferably, two guide blocks are installed at the lower end of the movable seat and the upper end of the support plate. The two guide blocks are a group, and an installation groove is provided between the two guide blocks in each group. Two guide rods are installed in the installation groove from top to bottom. An arranging plate is installed between the four guide rods. A number of balls are installed on the arranging plate through through holes, and the surfaces of the balls are in contact with the guide rods.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. This multi-level reading adjustment mechanism changes the traditional two lead screws for coarse and fine adjustment to a single lead screw for both. When adjusting the position of the moving seat, there is no need to perform multiple coarse adjustments, and the fine adjustment stroke is unlimited. This facilitates the folding and reading of coarse and fine adjustment data, making it convenient to use.
[0013] 2. The ten-thousand-level reading adjustment mechanism uses guide blocks installed at the bottom of the moving seat and on the support plate. When the moving seat moves, the guide blocks on the moving seat slide on the surface of the guide blocks on the support plate. At the same time, the guide rod inside the guide block on the moving seat drives the ball to slide on the surface of the guide rod inside the guide block on the support plate. This ensures the smooth movement of the moving seat and provides good load-bearing capacity. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the working structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 3 This is a cross-sectional view of the adjusting screw of this utility model;
[0017] Figure 4 This is a cross-sectional view of the rotating worm gear of this utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the movable base of this utility model;
[0019] Figure 6 This is a schematic diagram of the structure of the guide block of this utility model.
[0020] In the diagram: 1. Sliding rail; 2. Adjusting base; 3. Support plate; 4. Vertical plate; 5. Adjusting screw; 6. Moving seat; 7. Fixed assembly; 8. Connecting frame; 9. Fine-tuning gear; 11. Coarse-tuning gear; 13. Limit bolt one; 14. Sleeve; 15. Adjusting rod; 16. Limit bolt two; 17. Guide block; 18. Mounting groove; 19. Guide rod; 20. Arrangement plate; 21. Ball bearing; 1001. Connecting block; 1002. Rotating worm gear; 1003. Reference dial; 1004. Fine-tuning dial; 1005. Fine-tuning knob; 1201. Mounting plate; 1202. Rotating shaft; 1203. Drive gear; 1204. Coarse-tuning knob; 1205. Coarse-tuning indicator plate; 1206. Coarse-tuning dial. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] like Figures 1 to 6As shown, the ten-thousand-level reading adjustment mechanism in this embodiment includes a sliding rail 1, on which an adjustment base 2 is slidably mounted. The adjustment base 2 can slide on the sliding rail 1 to facilitate positioning the adjustment base 2 in a suitable position. A support plate 3 is mounted on the upper end of the adjustment base 2. The support plate 3 is L-shaped, and a vertical plate 4 is mounted on one end of the support plate 3. An adjustment screw 5 is rotatably connected between the support plate 3 and the vertical plate 4 via a bearing. A movable seat 6 is threaded onto the surface of the adjustment screw 5. By rotating the adjustment screw 5, the movable seat 6 can be moved horizontally. A fixed [device / structure] is movably mounted above the movable seat 6. Component 7, the fixing component 7 is used to fix the optical measuring equipment. A connecting frame 8 is installed at one end of the upright plate 4. One end of the adjusting screw 5 is rotatably connected to the connecting frame 8. A fine adjustment gear 9 is installed on the surface of the adjusting screw 5 between the connecting frame 8 and the upright plate 4. A fine adjustment drive component is installed below the fine adjustment gear 9. The fine adjustment drive component is used to drive the fine adjustment gear 9 to rotate, so as to achieve fine adjustment of the moving seat 6. A coarse adjustment gear 11 is installed on the surface of the adjusting screw 5 on one side of the fine adjustment gear 9. A coarse adjustment drive component is installed below the coarse adjustment gear 11. The coarse adjustment drive component is used to drive the coarse adjustment gear 11 to rotate, so as to achieve coarse adjustment of the moving seat 6.
[0024] Specifically, the fine-tuning drive assembly includes a connecting block 1001, a rotating worm gear 1002, a reference dial 1003, a fine-tuning dial 1004, and a fine-tuning knob 1005. Two connecting blocks 1001 are installed at one end of the vertical plate 4 below the connecting frame 8. The rotating worm gear 1002 is rotatably connected between the two connecting blocks 1001 via bearings. The rotating worm gear 1002 meshes with the fine-tuning gear 9. The reference dial 1003 is sleeved and installed on one end of one of the connecting blocks 1001 on the surface of the rotating worm gear 1002. A fine-tuning knob 1005 is installed on the surface of the rotating worm gear 1002 on one side of the reference dial 1003. The fine-tuning dial 1004 has a fine-tuning knob 1005 installed at one end of the rotating worm gear 1002. Rotating the fine-tuning knob 1005 drives the rotating worm gear 1002 to rotate. When the worm gear 1002 rotates, it drives the adjusting screw 5 to rotate through the fine-tuning gear 9. The adjusting screw 5 drives the moving seat 6 to perform fine-tuning. At the same time, rotating the worm gear 1002 drives the fine-tuning dial 1004 to rotate on one side of the reference dial 1003, which facilitates precise control of the fine-tuning distance. The number of teeth on the fine-tuning gear 9 is greater than the number of teeth on the coarse-tuning gear 11, which facilitates the fine rotation of the adjusting screw 5.
[0025] Furthermore, the coarse adjustment drive assembly includes a mounting plate 1201, a rotating shaft 1202, a drive gear 1203, a coarse adjustment knob 1204, a coarse adjustment indicator plate 1205, and a coarse adjustment dial 1206. The mounting plate 1201 is mounted on one end of the connecting bracket 8. The rotating shaft 1202 is mounted on the surface of the mounting plate 1201 via bearings. A drive gear 1203 is mounted on one end of the rotating shaft 1202 below the coarse adjustment gear 11. The drive gear 1203 meshes with the coarse adjustment gear 11. A coarse adjustment knob 1204 is mounted on one end of the rotating shaft 1202. Fine adjustment gears 9 and coarse adjustment dials... A coarse adjustment dial 1206 is mounted on the surface of the adjusting screw 5 between the adjusting gears 11, and a coarse adjustment indicator plate 1205 is mounted on the upper end of the connecting frame 8. By rotating the coarse adjustment knob 1204, the rotating shaft 1202 is driven to rotate. The rotating shaft 1202 drives the coarse adjustment gear 11 to rotate through the drive gear 1203. The coarse adjustment gear 11 drives the adjusting screw 5 to rotate. The adjusting screw 5 drives the moving seat 6 to move, thereby realizing the coarse adjustment of the moving seat 6. At the same time, the coarse adjustment indicator plate 1205 and the coarse adjustment dial 1206 make it easy to control the coarse adjustment distance of the moving seat 6.
[0026] Furthermore, a limit bolt 13 is installed at one end of the adjusting base 2 through a screw hole. By rotating the limit bolt 13, one end of the limit bolt 13 contacts the surface of the sliding rail 1, thereby fixing the position of the adjusting base 2.
[0027] Furthermore, a sleeve 14 is installed on the upper end of the movable seat 6, and an adjusting rod 15 is fitted inside the sleeve 14. The fixing component 7 is installed on the upper end of the adjusting rod 15. A limit bolt 16 is installed on the surface of the sleeve 14 through a screw hole. By adjusting the combined length of the adjusting rod 15 and the sleeve 14, and fixing it with the limit bolt 16, it is easy to fix the fixing component 7 at a certain height.
[0028] Furthermore, two guide blocks 17 are installed at the lower end of the movable seat 6 and the upper end of the support plate 3. The two guide blocks 17 form a group, and an installation groove 18 is provided between the two guide blocks 17 in each group. Two guide rods 19 are installed in the installation groove 18 from top to bottom. An arrangement plate 20 is installed between the four guide rods 19. Several balls 21 are installed on the arrangement plate 20 through through holes. The surfaces of the balls 21 are in contact with the guide rods 19. When the movable seat 6 moves, it drives the guide blocks 17 to move. The guide rods 19 inside the two guide blocks 17 can move under the action of the balls 21, so as to guide the movable seat 6 and have good load-bearing capacity.
[0029] The method of use in this embodiment is as follows: First, fix the adjusting base 2 to the sliding rail 1 using the limiting bolt 13. When the position of the moving seat 6 needs to be adjusted, first turn the coarse adjustment knob 1204. When the coarse adjustment knob 1204 turns, it drives the drive gear 1203 on the surface of the rotating shaft 1202 to rotate. The drive gear 1203 drives the adjusting screw 5 to rotate through the coarse adjustment gear 11. The adjusting screw 5 drives the moving seat 6 to move quickly, thereby achieving coarse adjustment of the position of the moving seat 6. When fine adjustment is needed, turn the fine adjustment knob 1005 to drive the rotating worm gear 1002 to rotate. The rotating worm gear 1002 drives the fine adjustment gear 9 to rotate. The fine adjustment gear 9 drives the adjusting screw 5 to rotate, thereby achieving fine adjustment of the moving seat 6. During the movement of the moving seat 6, the guide block 17 on the moving seat 6 slides on one side of the guide block 17 on the support plate 3 under the action of the ball 21, thereby guiding the moving seat 6 and giving the moving seat 6 a certain load-bearing capacity.
[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A mechanism for adjusting the reading of a scale in parts, comprising a sliding track (1), characterised in that: An adjusting base (2) is slidably mounted on the sliding track (1). A support plate (3) is mounted on the upper end of the adjusting base (2). The support plate (3) is L-shaped. A vertical plate (4) is mounted on one end of the support plate (3). An adjusting screw (5) is rotatably connected between the support plate (3) and the vertical plate (4) through a bearing. A movable seat (6) is threaded onto the surface of the adjusting screw (5). A fixing component (7) is movably mounted above the movable seat (6). A connecting frame (8) is mounted on one end of the vertical plate (4). One end of the adjusting screw (5) is rotatably connected to the connecting frame (8). A fine-tuning gear (9) is mounted on the surface of the adjusting screw (5) between the connecting frame (8) and the vertical plate (4). A fine-tuning drive component is mounted below the fine-tuning gear (9). A coarse-tuning gear (11) is mounted on the surface of the adjusting screw (5) on one side of the fine-tuning gear (9). A coarse-tuning drive component is mounted below the coarse-tuning gear (11).
2. The ten-thousand-level reading adjustment mechanism according to claim 1, characterized in that: The fine-tuning drive assembly includes a connecting block (1001), a rotating worm gear (1002), a reference dial (1003), a fine-tuning dial (1004), and a fine-tuning knob (1005). Two connecting blocks (1001) are installed at one end of the vertical plate (4) below the connecting frame (8). The two connecting blocks (1001) are rotatably connected by a rotating worm gear (1002) through a bearing. The rotating worm gear (1002) meshes with a fine-tuning gear (9). The surface of the rotating worm gear (1002) is fitted with a reference dial (1003) at one end of a connecting block (1001). The surface of the rotating worm gear (1002) on one side of the reference dial (1003) is fitted with a fine-tuning dial (1004). A fine-tuning knob (1005) is installed at one end of the rotating worm gear (1002).
3. The ten-thousand-level reading adjustment mechanism according to claim 1, characterized in that: The coarse adjustment drive assembly includes a mounting plate (1201), a rotating shaft (1202), a drive gear (1203), a coarse adjustment knob (1204), a coarse adjustment indicator plate (1205), and a coarse adjustment dial (1206). The mounting plate (1201) is mounted on one end of the connecting frame (8). The rotating shaft (1202) is mounted on the surface of the mounting plate (1201) via a bearing. The drive gear (1203) is mounted on one end of the rotating shaft (1202) below the coarse adjustment gear (11). The drive gear (1203) meshes with the coarse adjustment gear (11). The coarse adjustment knob (1204) is mounted on one end of the rotating shaft (1202). The coarse adjustment dial (1206) is mounted on the surface of the adjusting screw (5) between the fine adjustment gear (9) and the coarse adjustment gear (11). The coarse adjustment indicator plate (1205) is mounted on the upper end of the connecting frame (8).
4. The ten-thousand-level reading adjustment mechanism according to claim 1, characterized in that: One end of the adjusting base (2) is fitted with a limit bolt (13) through a screw hole.
5. The ten-thousand-level reading adjustment mechanism according to claim 1, characterized in that: The upper end of the movable seat (6) is equipped with a sleeve (14), and an adjusting rod (15) is sleeved inside the sleeve (14). The fixing component (7) is installed on the upper end of the adjusting rod (15), and a limit bolt (16) is installed on the surface of the sleeve (14) through a screw hole.
6. The ten-thousand-level reading adjustment mechanism according to claim 1, characterized in that: Two guide blocks (17) are installed at the lower end of the movable seat (6) and the upper end of the support plate (3). The two guide blocks (17) form a group, and an installation groove (18) is provided between the two guide blocks (17) in each group. Two guide rods (19) are installed in the installation groove (18) from top to bottom. An arrangement plate (20) is installed between the four guide rods (19). Several balls (21) are installed on the arrangement plate (20) through through holes. The surfaces of the balls (21) are in contact with the guide rods (19).