Axial multi-angle precise worm reducer

By designing the rotating shaft, connecting column, rotating ring and other structures, the damage problem of traditional worm reducers caused by installation errors and wear is solved, and higher transmission accuracy and stability are achieved.

CN223411426UActive Publication Date: 2025-10-03SHANXI CHENHE AVIATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423256724.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2025-10-03
Estimated Expiration
2034-12-29

AI Technical Summary

Technical Problem

Traditional worm reducers are easily damaged due to errors during installation, and changes in axial clearance after long-term operation affect transmission accuracy and stability.

Method used

The rotating shaft, connecting column, rotating ring, connecting frame and other structures are designed to avoid rigid contact, and the engagement distance can be adjusted by adjusting the threaded column to adapt to wear and enhance transmission accuracy.

Benefits of technology

It avoids damage to connecting parts, improves transmission accuracy and stability, and enhances gear load-bearing capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of speed reducers, in particular to an axial multi-angle precise worm speed reducer which comprises a main body box, a plurality of symmetrically-arranged rotating holes are formed in the side wall of the main body box, a plurality of rotating shafts are arranged in the main body box, the surfaces of the rotating shafts are all rotationally connected with the inner walls of the rotating holes, and the rotating shafts are arranged in the main body box. A plurality of speed reduction wheels are arranged in the main body box, the inner walls of the speed reduction wheels are fixedly connected with the surfaces of rotating shafts in a sleeving mode, a connecting groove is formed in one end of the front rotating shaft, and a connecting column is fixedly connected with the inner wall of the connecting groove in a sleeving mode; the rotating shaft, the connecting column, the rotating rings, the connecting frame, the connecting end and the like are matched for use, so that when the rotating ring located on the left side rotates, the connecting frame drives the connecting hole located on the right side to rotate, and therefore rigid contact between the connecting column and the connecting end is avoided; therefore, the connecting column is prevented from rotating to damage the speed reducer or a subsequent connecting mechanism when the connecting column and the connecting end are different in core.
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Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to an axial multi-angle precision worm reducer. Background Art

[0002] A worm reducer is a commonly used transmission mechanism. Its core components include a worm and a worm wheel. Through the interaction between the worm and the worm wheel, this reducer can convert a high-speed rotating motor into a low-speed output.

[0003] In the prior art, the output shaft of a traditional worm reducer is in rigid contact with the subsequent connecting mechanism. During installation, the output shaft and the subsequent connecting mechanism must remain concentric. However, it is impossible to completely avoid errors in mechanical devices or mechanical mechanisms during processing or installation. When the error is large and the output shaft drives the connecting mechanism to rotate, it is easy to damage the reducer itself or the subsequent connecting mechanism. In addition, after long-term operation, the axial clearance of some traditional reducers may change due to wear factors, thereby affecting the transmission accuracy and stability. To this end, we have developed an axial multi-angle precision worm reducer to solve the above problems. Utility Model Content

[0004] The purpose of the present utility model is to provide an axial multi-angle precision worm reducer to solve the problems raised in the above background technology.

[0005] The technical solution of the utility model is: an axial multi-angle precision worm reducer, comprising a main body box, a plurality of symmetrically arranged rotating holes are opened on the side wall of the main body box, a plurality of rotating shafts are arranged inside the main body box, and the surfaces of the plurality of rotating shafts are rotatably connected to the inner walls of the rotating holes, a plurality of reduction wheels are arranged inside the main body box, and the inner walls of the plurality of reduction wheels are fixedly sleeved with the surface of the rotating shaft, a connecting groove is opened at one end of the rotating shaft, a connecting column is fixedly sleeved on the inner wall of the connecting groove, a connecting end is provided at one end of the connecting column, and one end of the connecting column and the connecting end are fixedly connected to a rotating ring, two connecting holes are opened on the surface of the rotating ring, and a connecting frame is provided on the inner walls of the two rotating rings, and the inner walls of the two connecting holes are movably sleeved on the surface of the connecting frame.

[0006] Preferably, movable holes are provided on both sides of the main box, and the surface of the rotating shaft located below is movably connected to the inner wall of the movable hole. Connecting blocks are provided on both sides of the main box, and the inner walls of the two connecting blocks are rotatably connected to the surface of the rotating shaft located below. The side walls of the two connecting blocks are fixedly connected to a connecting plate, and the side walls of the connecting plate are provided with an adjusting threaded hole, and the inner wall of the adjusting threaded hole is threadedly connected to an adjusting threaded column. The side wall of the main box is fixedly connected to a movable block, and the inner wall of the movable block is rotatably connected to the surface of the adjusting threaded column.

[0007] Preferably, one end of the rotating shaft and the surface of the connecting column are both provided with a concave groove, and the inner walls of the two concave grooves are fixedly connected to the same limiting block.

[0008] Preferably, two limiting plates are fixedly connected to the bottom surface of the connecting plate, L-shaped blocks are fixedly connected to both sides of the main box, and the surfaces of the limiting plates match the inner walls of the L-shaped blocks.

[0009] Preferably, the side wall of the connecting plate is provided with two movable holes, the inner walls of the movable holes are movably sleeved with limiting columns, and the surfaces of the limiting columns are sleeved with springs.

[0010] Preferably, a mounting plate is fixedly connected to the side wall of the main box, and a plurality of fixing thread grooves are formed on the surface of the mounting plate.

[0011] The present invention provides an axial multi-angle precision worm reducer through improvement, which has the following improvements and advantages compared with the prior art:

[0012] First: The utility model cooperates with each other through the provided rotating shaft, connecting column, rotating ring, connecting frame and connecting end, so that when the rotating ring on the left side rotates, the connecting hole on the right side is driven to rotate through the connecting frame, thereby avoiding rigid contact between the connecting column and the connecting end, and further avoiding the connecting column rotating when the connecting column and the connecting end are out of center and damaging the reducer itself or the subsequent connecting mechanism.

[0013] Second: The utility model cooperates with each other through the provision of movable holes, connecting blocks, rotating shafts, connecting plates, adjusting threaded columns and movable blocks, so that when the reduction wheel is worn after long-term use, resulting in a decrease in tightness, the meshing distance between the reduction wheels can be changed by turning the adjusting threaded column clockwise, thereby enhancing the gear load-bearing capacity and improving the transmission accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional structural diagram of the present utility model;

[0017] Figure 3 This is a schematic diagram of the connecting plate structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the connecting column structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the rotating ring structure of the utility model.

[0020] Description of reference numerals:

[0021] 1. Main box; 2. Rotating shaft; 3. Connecting column; 4. Rotating ring; 5. Connecting hole; 6. Connecting frame; 7. Connecting end; 8. Limit block; 9. Moving hole; 10. Connecting block; 11. Connecting plate; 12. Limiting column; 13. Spring; 14. Adjusting threaded column; 15. Movable block; 16. Limiting plate; 17. L-shaped block; 18. Mounting plate. DETAILED DESCRIPTION

[0022] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides an axial multi-angle precision worm reducer through improvement. The technical solution of the utility model is:

[0024] like Figure 1 - Figure 5 As shown, an axial multi-angle precision worm reducer includes a main box 1, a plurality of symmetrically arranged rotating holes are opened on the side wall of the main box 1, a plurality of rotating shafts 2 are arranged inside the main box 1, and the surfaces of the plurality of rotating shafts 2 are rotatably connected to the inner walls of the rotating holes, a plurality of reduction wheels are arranged inside the main box 1, and the inner walls of the plurality of reduction wheels are fixedly sleeved with the surface of the rotating shaft 2, a connecting groove is opened at one end of the front rotating shaft 2, a connecting column 3 is fixedly sleeved on the inner wall of the connecting groove, a connecting end 7 is provided at one end of the connecting column 3, and one end of the connecting column 3 and the connecting end 7 are fixedly connected to a rotating ring 4, two connecting holes 5 are opened on the surface of the rotating ring 4, and a connecting frame 6 is provided on the inner wall of the two rotating rings 4, and the inner walls of the two connecting holes 5 are movably sleeved on the surface of the connecting frame 6.

[0025] Furthermore, movable holes 9 are provided on both sides of the main box 1, and the surface of the rotating shaft 2 below is movably connected to the inner wall of the movable hole 9. Connecting blocks 10 are provided on both sides of the main box 1, and the inner walls of the two connecting blocks 10 are rotatably connected to the surface of the rotating shaft 2 below. The side walls of the two connecting blocks 10 are fixedly connected to connecting plates 11, and the side walls of the connecting plates 11 are provided with adjusting threaded holes. The inner walls of the adjusting threaded holes are threadedly connected to adjusting threaded columns 14. The side walls of the main box 1 are fixedly connected to movable blocks 15, and the inner walls of the movable blocks 15 are rotatably connected to the surfaces of the adjusting threaded columns 14. By cooperating with each other through the provided connecting blocks 10, connecting plates 11 and adjusting threaded columns 14, when the reduction wheel causes wear after long-term use, resulting in a decrease in tightness, the adjusting threaded column 14 can be turned clockwise to change the meshing distance between the reduction gears, thereby enhancing the gear load-bearing capacity and improving the transmission accuracy.

[0026] Furthermore, one end of the rotating shaft 2 and the surface of the connecting column 3 are both provided with concave grooves, and the inner walls of the two concave grooves are fixedly connected with the same limit block 8. Through the set limit block 8, the rotation of the rotating shaft 2 can easily drive the connecting column 3 to rotate.

[0027] Furthermore, two limit plates 16 are fixedly connected to the bottom surface of the connecting plate 11, and L-shaped blocks 17 are fixedly connected to both sides of the main box 1. The surface of the limit plate 16 matches the inner wall of the L-shaped block 17. By setting the connecting plate 11, the limit plate 16 and the L-shaped block 17 to cooperate with each other, the connecting plate 11 always remains in the same horizontal plane when moving.

[0028] Furthermore, two movable holes are opened on the side wall of the connecting plate 11, and the inner wall of the movable hole is movably connected to the limiting column 12, and the surface of the limiting column 12 is provided with a spring 13. By setting the limiting column 12 and the spring 13 to cooperate with each other, the inner wall of the adjusting threaded column 14 is always in contact with the inner wall of the movable block 15, thereby improving the transmission accuracy.

[0029] Furthermore, a mounting plate 18 is fixedly connected to the side wall of the main box 1 , and a plurality of fixing thread grooves are provided on the surface of the mounting plate 18 . The setting of the mounting plate 18 and the fixing thread grooves facilitates the subsequent connection of the connecting mechanism.

[0030] Working principle: Through the input shaft, the input shaft rotates to drive the reduction wheel to rotate, the reduction wheel rotates to drive the rotating shaft 2 located in the front to rotate, the rotating shaft 2 located in the front rotates to drive the connecting column 3 to rotate, the connecting column 3 rotates to drive the rotating ring 4 located on the left to rotate, the rotating ring 4 located on the left rotates to drive the connecting frame 6 to rotate, the connecting frame 6 rotates to drive the rotating ring 4 located on the right to rotate, the rotating ring 4 located on the right rotates to drive the connecting end 7 to rotate, because the rotating ring 4 located on the left and the connecting frame 6 are movably connected, the connecting frame 6 is also connected to the rotating ring 4 located on the right, thereby avoiding the connection column 3 It is in rigid contact with the connecting end 7, thereby preventing the connecting column 3 from rotating and damaging the reducer itself or subsequent connecting mechanism when the connecting column 3 is out of center with the connecting end 7. When the reduction wheel causes wear after long-term use, resulting in a decrease in tightness, turn the adjusting threaded column 14 clockwise. The adjusting threaded column 14 rotates to move the connecting plate 11 forward. The movement of the connecting plate 11 drives the connecting block 10 to move forward. The movement of the connecting block 10 pushes the rotating shaft 2 located below to drive the reduction wheel located below to move forward, thereby shortening the meshing distance between the reduction wheels, thereby enhancing the gear load-bearing capacity and improving the transmission efficiency.

[0031] The above description is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An axial multi-angle precision worm reducer, comprising a main body box (1), characterized in that: The side wall of the main box (1) is provided with a plurality of symmetrically arranged rotating holes, the interior of the main box (1) is provided with a plurality of rotating shafts (2), the surfaces of the plurality of rotating shafts (2) are all rotatably connected to the inner walls of the rotating holes, the interior of the main box (1) is provided with a plurality of reduction wheels, the inner walls of the plurality of reduction wheels are all fixedly sleeved with the surface of the rotating shaft (2), a connecting groove is provided at one end of the rotating shaft (2) in front, a connecting column (3) is fixedly sleeved on the inner wall of the connecting groove, one end of the connecting column (3) is provided with a connecting end (7), one end of the connecting column (3) and one end of the connecting end (7) are fixedly connected to a rotating ring (4), the surface of the rotating ring (4) is provided with two connecting holes (5), the inner walls of the two rotating rings (4) are provided with connecting frames (6), and the inner walls of the two connecting holes (5) are movably sleeved with the surface of the connecting frame (6).

2. The axial multi-angle precision worm reducer according to claim 1, characterized in that: The main box (1) is provided with movable holes (9) on both sides, and the surface of the rotating shaft (2) located below is movably connected to the inner wall of the movable hole (9). The main box (1) is provided with connecting blocks (10) on both sides, and the inner walls of the two connecting blocks (10) are rotatably connected to the surface of the rotating shaft (2) located below. The side walls of the two connecting blocks (10) are fixedly connected to connecting plates (11), and the side walls of the connecting plates (11) are provided with adjusting threaded holes. The inner walls of the adjusting threaded holes are threadedly connected to adjusting threaded columns (14). The side walls of the main box (1) are fixedly connected to movable blocks (15), and the inner walls of the movable blocks (15) are rotatably connected to the surface of the adjusting threaded columns (14).

3. The axial multi-angle precision worm reducer according to claim 1, characterized in that: One end of the rotating shaft (2) and the surface of the connecting column (3) are both provided with a concave groove, and the inner walls of the two concave grooves are fixedly connected to the same limiting block (8).

4. The axial multi-angle precision worm reducer according to claim 2, characterized in that: Two limiting plates (16) are fixedly connected to the bottom surface of the connecting plate (11), and L-shaped blocks (17) are fixedly connected to both sides of the main box (1), and the surfaces of the limiting plates (16) match the inner walls of the L-shaped blocks (17).

5. The axial multi-angle precision worm reducer according to claim 2, characterized in that: The side wall of the connecting plate (11) is provided with two movable holes, the inner walls of the movable holes are movably sleeved with a limiting column (12), and the surface of the limiting column (12) is sleeved with a spring (13).

6. The axial multi-angle precision worm reducer according to claim 1, characterized in that: A mounting plate (18) is fixedly connected to the side wall of the main box (1), and a plurality of fixing thread grooves are provided on the surface of the mounting plate (18).