Bicycle hook claw with longitudinal anti-falling strip at tail end

By designing a bicycle hook with a longitudinal anti-loosening strip at the end, the problems of traditional hooks being easily damaged and the chain easily falling off under bumpy road conditions are solved. The flexible installation of the bicycle hook and the effective prevention of the chain from loosening are achieved, which improves the stability of the bicycle in use and the convenience of maintenance under complex road conditions.

CN223384623UActive Publication Date: 2025-09-26OYAMA BICYCLE TAICANG CO LTD
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Patent Information

Application Number
CN202422758640.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-09-26
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

Traditional bicycle dropouts are easily damaged under bumpy road conditions, have poor installation adaptability, are prone to chain detachment, and are inconvenient to repair.

Method used

A bicycle dropout with a longitudinal anti-loosening strip at the end is designed, which includes a first fixing mechanism, a transition mechanism and a transmission mounting mechanism. Through the angle-adjustable transition mechanism and the chain anti-loosening mechanism, flexible adjustment of the transmission position and longitudinal support and limitation of the chain are achieved.

Benefits of technology

The invention improves the installation adaptability of the bicycle under bumpy road conditions, prevents the chain from falling off, and simplifies the installation and maintenance process of the transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bicycle hook claw with a longitudinal anti-falling strip at the tail end, which comprises a first fixing mechanism, a rear wheel shaft mounting hole is inserted into a rear wheel fixing shaft, and a transition mechanism with an adjustable angle is arranged on the first fixing mechanism. A transmission installation mechanism for adjusting the fixed installation position of a transmission is arranged below the transition mechanism, and a chain anti-loosening mechanism is fixedly installed below the transmission installation mechanism. The first fixing mechanism is installed on the rear axle of the bicycle, the transition mechanism can be fixedly installed on the first fixing mechanism, and the transmission installation mechanism and the chain anti-loosening mechanism can be driven by the transition mechanism to rotate at an angle. And the positions of the chain anti-loosening mechanism connected with the transmission and the transmission mounting hole can be adjusted, so that the position of the transmission can be adjusted according to the use condition of the bicycle, and the chain can be longitudinally supported and limited by the arranged chain anti-loosening mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a bicycle hook with a longitudinal anti-slip strip at the end. Background Art

[0002] With people's pursuit of health, the purpose of bicycle riding has gradually changed from transportation to fitness, and the cycling road conditions are no longer limited to ordinary roads. Mountain, rocky roads and other bumpy road conditions have also become options for people's fitness riding. Traditional bicycle hooks are used to balance the bumpy force, and the rigidity of traditional bicycle hooks is not too strong, so as to prevent damage to the transmission when encountering bumps.

[0003] However, existing bicycle dropouts are usually relatively fixed. Therefore, they have poor adaptability when installed on bicycle transmissions, are not convenient for adjusting the deformation position, are not easy to replace or repair when the bicycle dropouts are deformed, and are prone to causing the chain to fall off when the bicycle is traveling on bumpy roads. Therefore, we propose a bicycle dropout with a longitudinal anti-falling strip at the end. Utility Model Content

[0004] The purpose of the utility model is to provide a bicycle dropout with a longitudinal anti-slip strip at the end, so as to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a bicycle hook with a longitudinal anti-slip strip at the end, comprising a first fixing mechanism, a transition mechanism and a transmission mounting mechanism, wherein a rear wheel axle mounting hole is penetrated through the first fixing mechanism, and the rear wheel axle mounting hole is inserted into the rear wheel fixed shaft, the first fixing mechanism is provided with a transition mechanism with an adjustable angle, a transmission mounting mechanism for adjusting the fixed mounting position of the transmission is provided below the transition mechanism, a transmission mounting hole connected to the transmission is provided on the transmission mounting mechanism, and a chain anti-loosening mechanism for preventing the chain from falling off is fixedly installed below the transmission mounting mechanism.

[0006] Furthermore, the first fixing mechanism includes a first fixing plate, a first connecting seat and an adjustment slot. The first connecting seat is fixedly mounted on the bottom of the first fixing plate, and the adjustment slot is provided on the first connecting seat.

[0007] Furthermore, the transition mechanism includes a transition plate, a second connecting seat, a positioning plate and a mounting plate. The second connecting seat is fixedly installed on the top of the transition plate, and a positioning plate for clamping the rain regulating groove is fixedly installed on one side of the second connecting seat. A mounting plate is provided on one side of the first fixed plate. Through holes are opened on the second connecting seat, the through hole and the mounting plate. A first locking bolt is inserted into the inside of the through hole, and a first locking nut is threadedly connected to the outside of the first locking bolt and located on one side of the mounting plate.

[0008] Furthermore, the transmission mounting mechanism includes an adjustment plate, a transmission fixing seat and an adjustment slot. An adjustment plate is inserted into the bottom of the transition plate. Multiple groups of adjustment slots are formed through the adjustment plate. A second locking bolt inserted into the adjustment slot is provided on the transition plate. A second locking nut is threadedly connected to the second locking bolt.

[0009] Furthermore, the chain anti-loosening mechanism includes an extension plate, a fixed shaft and a guide wheel. The bottom of the transmission fixing seat is fixedly installed with an extension plate, one side of the extension plate is fixedly installed with a fixed shaft, and the outside of the fixed shaft is rotatably connected to the guide wheel.

[0010] Furthermore, a limiting plate in contact with the vehicle frame is fixedly mounted on the surface of the first fixing plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects: the present invention can be installed on the rear wheel axle of a bicycle by providing a first fixing mechanism and a rear wheel axle mounting hole, and the provided transition mechanism can be fixedly installed with the first fixing mechanism, and the provided transition mechanism can drive the transmission mounting mechanism and the chain anti-loosening mechanism to rotate at an angle, such an angle rotation can make the transmission installation process more adaptable, and the chain anti-loosening mechanism and the transmission mounting hole connected to the transmission can be adjusted in position, so that the position of the transmission can be adjusted according to the usage of the bicycle, and the provided chain anti-loosening mechanism can longitudinally support and limit the chain, thereby preventing the chain from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the first fixing mechanism of the utility model;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model after removing the first fixing mechanism.

[0015] In the figure: 1 first fixing mechanism, 2 transition mechanism, 3 transmission mounting mechanism, 4 chain anti-loosening mechanism, 5 rear wheel axle mounting hole, 6 transmission mounting hole, 7 first fixing plate, 8 limiting plate, 9 first connecting seat, 10 adjustment groove, 11 transition plate, 12 second connecting seat, 13 positioning plate, 14 mounting plate, 15 through hole, 16 first locking bolt, 17 first locking nut, 18 adjustment plate, 19 transmission fixing seat, 20 adjustment groove, 21 second locking bolt, 22 second locking nut, 23 extension plate, 24 fixed shaft, 25 guide wheel. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0017] See also Figure 1-Figure 3 The utility model provides a technical solution: a bicycle dropout with a longitudinal anti-slip strip at the end, comprising a first fixing mechanism 1, a transition mechanism 2 and a transmission mounting mechanism 3, wherein a rear wheel axle mounting hole 5 is penetrated through the first fixing mechanism 1, and the rear wheel axle mounting hole 5 is inserted into the rear wheel fixed shaft, the first fixing mechanism 1 is provided with a transition mechanism 2 with an adjustable angle, a transmission mounting mechanism 3 for adjusting the fixed mounting position of the transmission is provided below the transition mechanism 2, a transmission mounting hole 6 connected to the transmission is provided on the transmission mounting mechanism 3, and a chain anti-loosening mechanism 4 for preventing the chain from falling off is fixedly installed below the transmission mounting mechanism 3.

[0018] Among them, by setting the first fixing mechanism 1 and the rear wheel axle mounting hole 5, it can be installed on the rear wheel axle of the bicycle, and the set transition mechanism 2 can be fixedly installed with the first fixing mechanism 1, and the set transition mechanism 2 can drive the transmission mounting mechanism 3 and the chain anti-loosening mechanism angle 4 to rotate. Such angle rotation can make the transmission installation process more adaptable, and the chain anti-loosening mechanism 4 and the transmission mounting hole 6 connected to the transmission can be adjusted in position, so that the position of the transmission can be adjusted according to the use of the bicycle, and the set chain anti-loosening mechanism 4 can longitudinally support and limit the chain, thereby preventing the chain from loosening.

[0019] See also Figure 1 and Figure 2The first fixing mechanism 1 includes a first fixing plate 7, a first connecting seat 9 and an adjustment slot 10. The first connecting seat 9 is fixedly installed on the bottom of the first fixing plate 7. The first connecting seat 9 is provided with an adjustment slot 10. The surface of the first fixing plate 7 is fixedly installed with a limiting plate 8 in contact with the frame.

[0020] Among them, the first fixing plate 7 and the rear wheel axle mounting hole 5 are installed on the rear wheel mounting shaft, and the adjustment groove 10 opened subsequently can cooperate with the transition mechanism 2 to complete the rotation adjustment of the transition mechanism 2 and the transmission mounting mechanism 3, and the limit plate 8 can fit with the frame to prevent the first fixing plate 7 from excessive displacement.

[0021] See also Figure 1 、 Figure 2 and Figure 3 The transition mechanism 2 includes a transition piece 11, a second connecting seat 12, a positioning plate 13 and a mounting piece 14. The second connecting seat 12 is fixedly installed on the top of the transition piece 11, and a positioning plate 13 to which the rain regulating groove 10 is clamped is fixedly installed on one side of the second connecting seat 12. A mounting piece 14 is provided on one side of the first fixing piece 7. A through hole 15 is penetrated through the second connecting seat 12, the through hole 15 and the mounting piece 14. A first locking bolt 16 is inserted into the inside of the through hole 15, and a first locking nut 17 is threadedly connected to the outside of the first locking bolt 16 and located on one side of the mounting piece 14.

[0022] Among them, when it is necessary to adjust the angle of the transmission mounting mechanism 3, the transition plate 11 and the fixed cutting disk on the second connecting seat 12 are inserted into the interior of the adjustment groove 10 according to the selected rotation angle. After the position adjustment is completed, the first locking bolt 16 is inserted into the through hole 15, and the first locking nut 16 is threadedly installed on the outside of the first locking bolt 16, so that the first fixing mechanism 1 and the transition mechanism 2 are installed.

[0023] See also Figure 1 、 Figure 2 and Figure 3 The transmission mounting mechanism 3 includes an adjusting piece 18, a transmission fixing seat 19 and an adjusting slot 20. The adjusting piece 18 is inserted into the bottom of the transition piece 11. The adjusting piece 18 is penetrated by multiple groups of adjusting slots 20. The transition piece 11 is provided with a second locking bolt 21 inserted into the interior of the adjusting slot 20, and the second locking bolt 21 is threadedly connected with a second locking nut 22.

[0024] Among them, when it is necessary to adjust the position of the transmission mounting hole 6, the second locking bolt 21 is removed, and then the adjustment plate 18 and the transmission fixing seat 19 are pulled along the bottom of the transition plate 11 for adjustment. After the position adjustment is completed, the second locking bolt 21 is inserted into the corresponding adjustment groove 20, and the second locking nut 22 is used to complete the fixed installation of the adjustment plate 18 and the transmission fixing seat 19. Then the transmission mounting hole 6 can be used to complete the installation of the transmission.

[0025] See also Figure 1 and Figure 3 The chain anti-loosening mechanism 4 includes an extension plate 23, a fixed shaft 24 and a guide wheel 25. The extension plate 23 is fixedly installed on the bottom of the transmission fixing seat 19, and a fixed shaft 24 is fixedly installed on one side of the extension plate 23. The external rotation of the fixed shaft 24 is connected to the guide wheel 25.

[0026] Among them, after the transmission fixing seat 19 is fixedly installed, the provided guide wheel 25 will support and limit the bicycle chain, thus preventing the bicycle chain from being separated from the transmission due to bumps.

[0027] When in use, first, by setting the first fixing mechanism 1 and the rear wheel axle mounting hole 5, it can be installed on the rear wheel axle of the bicycle, and the set transition mechanism 2 can be fixedly installed with the first fixing mechanism 1, and the set transition mechanism 2 can drive the transmission mounting mechanism 3 and the chain anti-loosening mechanism angle 4 to rotate. Such angle rotation can make the transmission installation process more adaptable, and the chain anti-loosening mechanism 4 and the transmission mounting hole 6 connected to the transmission can be adjusted in position, so that the position of the transmission can be adjusted according to the usage of the bicycle, and the set chain anti-loosening mechanism 4 can provide longitudinal support and limit for the chain, so as to prevent the chain from loosening. The set first fixing plate 7 and the rear wheel axle mounting hole 5 are installed on the rear wheel mounting shaft, and the subsequently opened adjustment groove 10 can cooperate with the transition mechanism 2 to complete the rotation adjustment of the transition mechanism 2 and the transmission mounting mechanism 3, and the set limiting plate 8 can fit with the frame to prevent the first fixing plate 7 from excessive displacement. When adjusting the angle of structure 3, the transition piece 11 and the fixed cutting disk on the second connecting seat 12 are inserted into the interior of the adjustment groove 10 according to the selected rotation angle. When the position adjustment is completed, the first locking bolt 16 is inserted into the interior of the through hole 15, and the first locking nut 16 is threadedly installed on the outside of the first locking bolt 16, so that the first fixing mechanism 1 and the transition mechanism 2 are installed. When the position of the transmission mounting hole 6 needs to be adjusted, the second locking bolt 21 is removed, and then the adjusting piece 18 and the transmission fixing seat 19 are pulled along the bottom of the transition piece 11 to adjust. When the position adjustment is completed, the second locking bolt 21 is inserted into the corresponding adjustment groove 20, and the second locking nut 22 is used to complete the fixed installation of the adjusting piece 18 and the transmission fixing seat 19. Then the transmission mounting hole 6 can be used to complete the installation of the transmission. After the transmission fixing seat 19 is fixed in position, the guide wheel 25 provided will support and limit the bicycle chain, thereby preventing the bicycle chain from detaching from the transmission due to bumps.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bicycle dropout with a longitudinal anti-slip strip at the end, comprising a first fixing mechanism (1), a transition mechanism (2) and a transmission mounting mechanism (3), characterized in that: A rear wheel axle mounting hole (5) is provided through the first fixing mechanism (1), and the rear wheel axle mounting hole (5) is inserted into the rear wheel fixing shaft. A transition mechanism (2) with an adjustable angle is provided on the first fixing mechanism (1), and a transmission mounting mechanism (3) for adjusting the fixed mounting position of the transmission is provided below the transition mechanism (2). A transmission mounting hole (6) connected to the transmission is provided on the transmission mounting mechanism (3), and a chain anti-loosening mechanism (4) for preventing the chain from falling off is fixedly installed below the transmission mounting mechanism (3).

2. A bicycle dropout with a longitudinal anti-slip strip at the end according to claim 1, characterized in that: The first fixing mechanism (1) comprises a first fixing plate (7), a first connecting seat (9) and an adjusting slot (10); the first connecting seat (9) is fixedly mounted on the bottom of the first fixing plate (7); and the adjusting slot (10) is provided on the first connecting seat (9).

3. A bicycle dropout with a longitudinal anti-slip strip at the end according to claim 2, characterized in that: The transition mechanism (2) comprises a transition piece (11), a second connecting seat (12), a positioning plate (13) and a mounting piece (14); the second connecting seat (12) is fixedly mounted on the top of the transition piece (11); a positioning plate (13) to which the rain regulating groove (10) is clamped is fixedly mounted on one side of the second connecting seat (12); a mounting piece (14) is provided on one side of the first fixing piece (7); a through hole (15) is provided through the second connecting seat (12), the through hole (15) and the mounting piece (14); a first locking bolt (16) is inserted into the inside of the through hole (15); a first locking nut (17) is threadedly connected to the outside of the first locking bolt (16) and located on one side of the mounting piece (14).

4. A bicycle dropout with a longitudinal anti-slip strip at the end according to claim 3, characterized in that: The transmission mounting mechanism (3) comprises an adjusting piece (18), a transmission fixing seat (19) and an adjusting slot (20); the adjusting piece (18) is plugged into the bottom of the transition piece (11); a plurality of adjusting slots (20) are formed through the adjusting piece (18); a second locking bolt (21) is provided on the transition piece (11) and is inserted into the adjusting slot (20); and a second locking nut (22) is threadedly connected to the second locking bolt (21).

5. A bicycle dropout with a longitudinal anti-slip strip at the end according to claim 4, characterized in that: The chain anti-loosening mechanism (4) comprises an extension plate (23), a fixed shaft (24) and a guide wheel (25); the extension plate (23) is fixedly mounted on the bottom of the transmission fixing seat (19); the fixed shaft (24) is fixedly mounted on one side of the extension plate (23); and the guide wheel (25) is rotatably connected to the outside of the fixed shaft (24).

6. A bicycle dropout with a longitudinal anti-slip strip at the end according to claim 5, characterized in that: A limiting piece (8) in contact with the vehicle frame is fixedly mounted on the surface of the first fixing piece (7).