A rear-drive segmented electric door transmission structure
By using a rear-drive segmented electric door transmission structure, which combines a motor and multi-stage gears, the problems of frequent maintenance and high noise in electric door transmission devices are solved. This achieves smooth transmission with low noise and no annual inspection, thus improving user comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU XINGGUANGYI TECH CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-06-09
AI Technical Summary
Existing electric door drive systems require frequent maintenance and are noisy, increasing labor and time costs.
It adopts a rear-drive segmented electric door transmission structure, which uses a combination of multi-stage gears and bevel gears driven by a motor to achieve smooth transmission without annual inspection and reduce noise.
It achieves the elimination of frequent maintenance, reduces labor and time costs, improves user comfort, reduces noise, enhances user comfort, reduces labor and time costs, reduces noise, enhances user comfort, reduces comfort, enhances user comfort, enhances user comfort.
Smart Images

Figure CN224338822U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric door technology, and in particular to a rear-drive segmented electric door transmission structure. Background Technology
[0002] There are two types of electric gates: 1. Straight-line gates: These have a single, integral structure. When the gate is too long, it requires sufficient retraction space, and long-distance transport as a whole is very difficult. 2. Segmented straight-line gates: These solve the transportation problem.
[0003] A search revealed an electric door transmission device with publication number CN106014066B, belonging to the field of electric door technology. It includes: a first bottom beam, on which a main transmission structure and a transmission output structure are mounted; the main transmission structure includes a drive wheel connected to a drive device; one side of the drive wheel meshes with a main transmission rack, which is fixed to the first bottom beam; the other side of the drive wheel is connected to the transmission output structure. This invention enables the simultaneous movement of the first bottom beam and the output of transmission power, thus shortening the structural length, achieving trackless operation, and making transportation and use more convenient.
[0004] The above-mentioned equipment uses a motor to drive gears and a chain for operation. This requires annual maintenance, which increases labor costs. Additionally, the equipment operates with a chain and generates significant noise. Utility Model Content
[0005] The purpose of this utility model is to provide a rear-drive segmented electric door transmission structure to solve the problems mentioned in the background art.
[0006] The technical solution of this utility model is a rear-drive segmented electric door transmission structure, including a motor. A fixed frame is provided on the left side of the motor. Four rectangular frames are provided on the rear side of the fixed frame. Chains are provided at the top of the fixed frame near the rear side and at the rear side of the four rectangular frames near the bottom. Toothed grooves are provided at the bottom of the four rectangular frames. Connecting frames are fixedly connected to the left and right sides of the rectangular frames. A second gear is fixedly connected to the motor power output shaft.
[0007] In one embodiment, a third gear is meshed on the outer edge of the second gear, a fifth rotating rod is fixedly connected to the center of the third gear, a U-shaped plate is provided on the rear side of the motor, the rear end of the fifth rotating rod passes through the front side of the U-shaped plate and is inserted into the rear side of the inner cavity of the U-shaped plate, an eighth bevel gear is fixedly connected to the outer edge of the fifth rotating rod, a ninth bevel gear is meshed on the rear side of the eighth bevel gear near the top, a fixed rod is fixedly connected to the top of the ninth bevel gear, the top end of the fixed rod passes through the top of the inner cavity of the U-shaped plate and is fixedly connected to a fourth gear.
[0008] In one embodiment, a connecting plate is provided at the bottom of the rectangular frame near the right side, and a fixing plate is fixedly connected to the bottom of the connecting plate near the front and rear sides. A first rotating rod is provided through the inner cavity of the two fixing plates, and rollers are fixedly connected to the front and rear ends of the first rotating rod.
[0009] In one embodiment, a vertical plate is fixedly connected to the bottom of the connecting plate near the left side. A second rotating rod is provided through the inner cavity of the vertical plate. A second bevel gear is fixedly connected to both the front and rear ends of the second rotating rod. Two through holes are opened at the top of the connecting plate near the left side. A vertical rod is provided through the through hole on the front side. The top of the vertical rod passes through the adjacent connecting frame and is inserted into the top of the inner cavity of the connecting frame. A fifth bevel gear is fixedly connected to the outer edge of the vertical rod.
[0010] In one embodiment, a third bevel gear is meshed with the outer edge of the fifth bevel gear, a fourth rotating rod is fixedly connected to the left side of the third bevel gear, the left end of the fourth rotating rod passes through the right side of the adjacent rectangular frame and extends to the inner cavity of the left connecting frame, a seventh bevel gear is fixedly connected to the left end of the fourth rotating rod, a sixth bevel gear is meshed with the outer edge of the seventh bevel gear, and a sixth rotating rod is fixedly connected to the inner cavity of the sixth bevel gear.
[0011] In one embodiment, the front end of the sixth rotating rod passes through the front side of the inner cavity of the adjacent connecting frame and is fixedly connected to a sprocket, which meshes with the adjacent chain.
[0012] In one embodiment, a fourth bevel gear is fixedly connected to the bottom end of the vertical rod, and the fourth bevel gear meshes with the outer edge of an adjacent second bevel gear. A third rotating rod is provided through the through hole on the rear side, and a first bevel gear is fixedly connected to the bottom end of the third rotating rod. The first bevel gear meshes with the outer edge of an adjacent second bevel gear. A first gear is fixedly connected to the top of each of the third rotating rods, and the first gear and the fourth gear mesh on adjacent tooth grooves. Auxiliary wheels are inserted into each of the connecting plates.
[0013] The beneficial effects provided by this utility model are:
[0014] Through the interaction of the motor, rectangular frame, first gear, and first bevel gear, the motor can be started. The motor drives the second gear to rotate, the second gear drives the third gear to rotate, the third gear drives the fifth rotating rod to rotate, the fifth rotating rod drives the eighth bevel gear to rotate, the eighth bevel gear drives the ninth bevel gear to rotate, the ninth bevel gear drives the fixed rod to rotate, and the fixed rod drives the fourth gear to rotate. The fourth gear, through its adjacent tooth grooves, drives the adjacent rectangular frame to move to the right. When the rectangular frame moves to the right, it drives the sprocket to move, and the sprocket meshes with the chain, causing the sprocket to rotate. The sprocket drives the sixth rotating rod to rotate, the sixth rotating rod drives the sixth bevel gear to rotate, the sixth bevel gear drives the seventh bevel gear to rotate, and the seventh bevel gear drives the fourth rotating rod to rotate. The first bevel gear rotates, which in turn drives the second bevel gear to rotate. The third bevel gear then drives the fifth bevel gear, which in turn drives the vertical rod to rotate. The vertical rod then drives the fourth bevel gear, which in turn drives the adjacent second bevel gear. The second bevel gear then drives the second bevel gear to rotate, which in turn drives the adjacent second bevel gear to rotate. The second bevel gear then drives the first bevel gear to rotate, which in turn drives the third bevel gear to rotate. The third bevel gear then drives the first gear to rotate. The first gear, through its tooth grooves, moves the adjacent rectangular frame. The rollers and auxiliary wheels also move the rectangular frame, eliminating the need for annual maintenance and reducing labor and time costs. Furthermore, this design produces low noise during operation, improving user comfort. Attached Figure Description
[0015] Figure 1 This is a perspective view of the present utility model;
[0016] Figure 2 This is a bottom-view perspective view of the present invention;
[0017] Figure 3 This is a rear-view, upward-looking perspective view of the present invention;
[0018] Figure 4 This is a rear-view perspective view of the present invention;
[0019] Figure 5 This is a top view of the rectangular frame of the component of this utility model;
[0020] Figure 6 This is a rear view of the rectangular frame of the component of this utility model;
[0021] Figure 7 This is a bottom view of the connecting plate of the component of this utility model;
[0022] Figure 8 This is a schematic diagram of the vertical rod structure of the component of this utility model;
[0023] Figure 9 This is a schematic diagram of the roller structure of the present invention;
[0024] Figure 10 for Figure 1 Enlarged view of point A in the middle;
[0025] Figure 11 for Figure 3 Enlarged view of section B in the middle.
[0026] In the attached diagram: 1. Motor; 2. Fixing frame; 3. Rectangular frame; 4. Connecting plate; 5. Fixing plate; 6. First rotating rod; 7. Roller; 8. First bevel gear; 9. Second bevel gear; 10. Vertical plate; 11. Third bevel gear; 12. Fourth bevel gear; 13. Auxiliary wheel; 14. Second rotating rod; 15. Vertical rod; 16. Fifth bevel gear; 17. First gear; 18. Third rotating rod; 19. Chain; 20. Sprocket; 21. Sixth rotating rod; 22. Connecting frame; 23. Sixth bevel gear; 24. Seventh bevel gear; 25. Fourth rotating rod; 26. Fifth rotating rod; 27. Eighth bevel gear; 28. U-shaped plate; 29. Third gear; 30. Ninth bevel gear; 31. Fixing rod; 32. Fourth gear; 33. Second gear; 34. Gear groove. Detailed Implementation
[0027] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.
[0028] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "front," "rear," "left," "right," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.
[0029] In one embodiment, such as Figure 1-11As shown, a rear-drive segmented electric door transmission structure includes a motor 1. A fixed frame 2 is located on the left side of the motor 1. Four rectangular frames 3 are located behind the fixed frame 2. Chains 19 are located near the top of the fixed frame 2 and near the bottom of the four rectangular frames 3. Gear grooves 34 are formed at the bottom of each of the four rectangular frames 3. Connecting frames 22 are fixedly connected to the left and right sides of each rectangular frame 3. A second gear 33 is fixedly connected to the power output shaft of the motor 1. A third gear 29 meshes with the outer edge of the second gear 33. A fifth rotating rod 26 is fixedly connected at the center. A U-shaped plate 28 is provided on the rear side of the motor 1. The rear end of the fifth rotating rod 26 passes through the front side of the U-shaped plate 28 and is inserted into the rear side of the inner cavity of the U-shaped plate 28. An eighth bevel gear 27 is fixedly connected to the outer edge of the fifth rotating rod 26. A ninth bevel gear 30 is meshed near the top of the rear side of the eighth bevel gear 27. A fixing rod 31 is fixedly connected to the top of the ninth bevel gear 30. The top end of the fixing rod 31 passes through the top of the inner cavity of the U-shaped plate 28 and is fixedly connected to the fourth gear 32.
[0030] A connecting plate 4 is provided at the bottom right side of the rectangular frame 3. A fixing plate 5 is fixedly connected to the bottom of the connecting plate 4 near the front and rear sides. A first rotating rod 6 is passed through the inner cavity of the two fixing plates 5. Rollers 7 are fixedly connected to the front and rear ends of the first rotating rod 6. A vertical plate 10 is fixedly connected to the bottom left side of the connecting plate 4. A second rotating rod 14 is passed through the inner cavity of the vertical plate 10. A second bevel gear 9 is fixedly connected to the front and rear ends of the second rotating rod 14. Two through holes are opened at the top left side of the connecting plate 4. A vertical rod 15 is passed through the front through hole. The top of the vertical rod 15 passes through the adjacent connecting frame 22 and is inserted into the top of the inner cavity of the connecting frame 22. A fifth bevel gear 16 is fixedly connected to the outer edge of the vertical rod 15.
[0031] A third bevel gear 11 meshes with the outer edge of the fifth bevel gear 16. A fourth rotating rod 25 is fixedly connected to the left side of the third bevel gear 11. The left end of the fourth rotating rod 25 passes through the right side of the adjacent rectangular frame 3 and extends into the inner cavity of the left connecting frame 22. A seventh bevel gear 24 is fixedly connected to the left end of the fourth rotating rod 25. A sixth bevel gear 23 meshes with the outer edge of the seventh bevel gear 24. A sixth rotating rod 21 is fixedly connected to the inner cavity of the sixth bevel gear 23. The front end of the sixth rotating rod 21 passes through the front side of the inner cavity of the adjacent connecting frame 22 and is fixedly connected to a sprocket 20. The sprocket 20 meshes with the adjacent chain 19. The bottom end of the vertical rod 15 is fixedly connected to the fourth bevel gear 12, which meshes with the outer edge of the adjacent second bevel gear 9. A third rotating rod 18 is provided through the rear through hole. The bottom end of the third rotating rod 18 is fixedly connected to the first bevel gear 8, which meshes with the outer edge of the adjacent second bevel gear 9. The top of the third rotating rod 18 is fixedly connected to the first gear 17. The first gear 17 and the fourth gear 32 mesh on the adjacent tooth groove 34. Auxiliary wheels 13 are inserted into the connecting plate 4.
[0032] Working principle: Starting motor 1 drives the second gear 33 to rotate, which in turn drives the third gear 29 to rotate. The third gear 29 then drives the fifth rotating rod 26 to rotate, which in turn drives the eighth bevel gear 27 to rotate. The eighth bevel gear 27 then drives the ninth bevel gear 30 to rotate, which in turn drives the fixed rod 31 to rotate. The fixed rod 31 then drives the fourth gear 32 to rotate. The fourth gear 32, through its adjacent tooth groove 34, drives the adjacent rectangular frame 3 to move to the right. When the rectangular frame 3 moves to the right, it drives the sprocket 20 to move. The sprocket 20 meshes with the chain 19, causing it to rotate. The sprocket 20 then drives the sixth rotating rod 21 to rotate, which in turn drives the sixth bevel gear 23 to rotate. The sixth bevel gear 23 then drives the seventh bevel gear 24 to rotate, which in turn drives the fourth rotating rod 25 to rotate. The fourth rotating rod 25 drives the third bevel gear 11 to rotate, the third bevel gear 11 drives the fifth bevel gear 16 to rotate, the fifth bevel gear 16 drives the vertical rod 15 to rotate, the vertical rod 15 drives the fourth bevel gear 12 to rotate, the fourth bevel gear 12 drives the adjacent second bevel gear 9 to rotate, the second bevel gear 9 drives the second rotating rod 14 to rotate, the second rotating rod 14 drives the adjacent second bevel gear 9 to rotate, the second bevel gear 9 drives the first bevel gear 8 to rotate, the first bevel gear 8 drives the third rotating rod 18 to rotate, the third rotating rod 18 drives the first gear 17 to rotate, and the first gear 17 drives the adjacent rectangular frame 3 to move through the tooth groove 34. The roller 7 and the auxiliary wheel 13 can drive the rectangular frame 3 to move, so that the device does not need to be inspected every year, reducing labor and time costs. At the same time, this solution has low noise during use, improving the comfort of use.
[0033] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0034] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A rear-drive segmented electric door transmission structure, characterized in that, The motor (1) is provided with a fixed frame (2) on the left side of the motor (1), and four rectangular frames (3) are provided on the rear side of the fixed frame (2). Chains (19) are provided on the top of the fixed frame (2) near the rear side and on the rear side of the four rectangular frames (3) near the bottom. Tooth grooves (34) are provided on the bottom of the four rectangular frames (3). Connecting frames (22) are fixedly connected to the left and right sides of the rectangular frames (3). A second gear (33) is fixedly connected to the power output shaft of the motor (1).
2. The rear-drive segmented electric door transmission structure according to claim 1, characterized in that, The outer edge of the second gear (33) is meshed with a third gear (29). A fifth rotating rod (26) is fixedly connected to the center of the third gear (29). A U-shaped plate (28) is provided on the rear side of the motor (1). The rear end of the fifth rotating rod (26) passes through the front side of the U-shaped plate (28) and is inserted into the rear side of the inner cavity of the U-shaped plate (28). An eighth bevel gear (27) is fixedly connected to the outer edge of the fifth rotating rod (26). A ninth bevel gear (30) is meshed near the top of the rear side of the eighth bevel gear (27). A fixing rod (31) is fixedly connected to the top of the ninth bevel gear (30). The top end of the fixing rod (31) passes through the top of the inner cavity of the U-shaped plate (28) and is fixedly connected to a fourth gear (32).
3. The rear-drive segmented electric door transmission structure according to claim 2, characterized in that, The rectangular frame (3) is provided with a connecting plate (4) near the right side of the bottom. The connecting plate (4) is fixedly connected with a fixing plate (5) near the front and rear sides of the bottom. The inner cavity of the two fixing plates (5) is provided with a first rotating rod (6). The front and rear ends of the first rotating rod (6) are fixedly connected with rollers (7).
4. The rear-drive segmented electric door transmission structure according to claim 3, characterized in that, A vertical plate (10) is fixedly connected to the bottom of the connecting plate (4) near the left side. A second rotating rod (14) is provided through the inner cavity of the vertical plate (10). A second bevel gear (9) is fixedly connected to both the front and rear ends of the second rotating rod (14). Two through holes are opened at the top of the connecting plate (4) near the left side. A vertical rod (15) is provided through the through hole on the front side. The top of the vertical rod (15) passes through the adjacent connecting frame (22) and is inserted into the top of the inner cavity of the connecting frame (22). A fifth bevel gear (16) is fixedly connected to the outer edge of the vertical rod (15).
5. The rear-drive segmented electric door transmission structure according to claim 4, characterized in that, The outer edge of the fifth bevel gear (16) is meshed with a third bevel gear (11). The left side of the third bevel gear (11) is fixedly connected to a fourth rotating rod (25). The left end of the fourth rotating rod (25) passes through the right side of the adjacent rectangular frame (3) and extends to the inner cavity of the left connecting frame (22). The left end of the fourth rotating rod (25) is fixedly connected to a seventh bevel gear (24). The outer edge of the seventh bevel gear (24) is meshed with a sixth bevel gear (23). The inner cavity of the sixth bevel gear (23) is fixedly connected to a sixth rotating rod (21).
6. The rear-drive segmented electric door transmission structure according to claim 5, characterized in that, The front end of the sixth rotating rod (21) passes through the front side of the inner cavity of the adjacent connecting frame (22) and is fixedly connected to a sprocket (20), which meshes with the adjacent chain (19).
7. The rear-drive segmented electric door transmission structure according to claim 6, characterized in that, The bottom end of the vertical rod (15) is fixedly connected to a fourth bevel gear (12), which meshes with the outer edge of the adjacent second bevel gear (9). A third rotating rod (18) is provided through the through hole on the rear side. The bottom end of the third rotating rod (18) is fixedly connected to a first bevel gear (8), which meshes with the outer edge of the adjacent second bevel gear (9). The top of the third rotating rod (18) is fixedly connected to a first gear (17), which meshes with the fourth gear (32) on the adjacent tooth groove (34). An auxiliary wheel (13) is inserted into the connecting plate (4).