Bicycle hub convenient to connect

Abstract

The utility model relates to the technical field of bicycle hubs, and provides a bicycle hub convenient to connect, which comprises a hub main body, a bearing and a hub hole, butt joint discs are symmetrically arranged on two sides of the hub main body, movable grooves are symmetrically arranged on the inner walls of the butt joint discs, telescopic rods are mounted on the inner walls of the movable grooves, and the telescopic rods are connected with the bearing. First springs are installed on the outer walls of the telescopic rods, clamping plates are connected to one ends of the telescopic rods, a mounting disc is movably installed on the butt joint disc through the clamping plates, limiting grooves are formed in the side wall of the mounting disc, a drum disc is arranged on the outer wall of the mounting disc, and fixing rods are symmetrically arranged on the outer wall of the drum disc. Drum holes are uniformly formed in the outer wall of the drum disc, a bearing is mounted on the side wall of the drum disc, and a limiter is mounted on the side wall of the bearing, so that the problems that in the prior art, disassembly and assembly are inconvenient, parts are quickly abraded, the service life is short, and meanwhile the connecting structure is not stable enough are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle hubs, and in particular to a bicycle hub that is easy to connect. Background Art

[0002] Easy-to-connect bicycle hub technology involves various technical innovations and improvements in hub design, primarily aimed at improving bicycle wheel performance and facilitating maintenance and replacement. A quick-release hub system is a technology that enables the rapid removal and installation of wheels. This system typically uses a specialized quick-release skewer, enabling rapid tool-free wheel removal and installation.

[0003] The patent specification with publication number CN 217553587 U discloses a bicycle hub that is easy to connect. By arranging a locking sleeve, a right limit stop ring, a right positioning protrusion, a fastening ring and a dynamic key strip, follower key strips are symmetrically arranged on the upper and lower sides and the front and rear sides of the annular side surface of the front hub shaft. A locking sleeve is installed on the left side of the annular side surface of the front hub shaft, a fastening ring is installed on the right side of the annular side surface of the front hub shaft, and a right limit stop ring is provided on the right side of the annular side surface of the front hub tube. This design solves the problem that the original bicycle hub is not separable and disassembled. The utility model has a reasonable structure, has the ability to be separable and disassembled, and is highly practical.

[0004] However, in the implementation of related technologies, it was found that the above-mentioned bicycle hub that is easy to connect has the following problems: the device uses a locking sleeve, a protrusion and other structures to limit and clamp the connection, the screws are easily worn, and it is inconvenient to disassemble and assemble. Therefore, we propose a bicycle hub that is easy to connect. Utility Model Content

[0005] The utility model provides a bicycle hub that is easy to connect, which solves the problems in the related art of inconvenient assembly and disassembly, fast wear of parts and short service life, and insufficient stability of the connection structure.

[0006] The technical solution of the utility model is as follows:

[0007] A bicycle hub that is easy to connect comprises a hub body, a bearing and a drum hole, docking plates are symmetrically provided on both sides of the hub body, movable grooves are symmetrically provided on the inner walls of the docking plates, telescopic rods are installed on the inner walls of the movable grooves, first springs are installed on the outer walls of the telescopic rods, a clamping plate is connected to one end of the telescopic rod, the docking plate is movably installed with a mounting plate through the clamping plate, limiting grooves are provided on the side walls of the mounting plate, a drum disc is provided on the outer wall of the mounting plate, fixing rods are symmetrically provided on the outer wall of the drum disc, drum holes are evenly provided on the outer wall of the drum disc, bearings are installed on the side walls of the drum disc, and limiters are installed on the side walls of the bearings.

[0008] Preferably, the side walls of the docking plate are evenly provided with fixed blocks, the inner wall of the fixed block is symmetrically provided with a displacement cavity, the two sides of the displacement cavity are symmetrically provided with sliding grooves, the fixed block is movably installed with a clamping block through the sliding groove, the two sides of the bottom end of the clamping block are symmetrically provided with pressing blocks, the bottom end of the displacement cavity is installed with a second spring, and one end of the second spring is connected to the outer wall of the clamping block.

[0009] Preferably, a bayonet is provided on one side of the fixing block, and the spacing between the bayonet is the same as the diameter of the fixing rod.

[0010] Preferably, the cross section of the clamping block is trapezoidal, and the clamping block and the displacement cavity match each other.

[0011] Preferably, the pressing block is in a rectangular block structure, and the sliding groove and the pressing block fit together.

[0012] Preferably, the cross section of the clamping plate is L-shaped, and one end of the clamping plate matches the movable groove.

[0013] Preferably, the limiting groove is an annular hollow groove structure, and the limiting groove and the other end of the clamping plate fit together.

[0014] Preferably, a displacement block is provided on the outer wall of one side of the clamping plate, and the displacement block is a convex structure.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] 1. In the utility model, the mounting plate, docking plate and card plate are provided, the card plate is pulled upward by the displacement block, and the telescopic rod and the first spring are stretched at the same time to dock the mounting plate and the docking plate. The displacement block is released so that the card plate is reset by the elastic force generated by the deformation of the telescopic rod so that the movable end of the card plate is clamped into the limiting groove provided on the side wall of the mounting plate, so that the drum plate and the docking plate are movably connected. This structure is convenient for disassembly and assembly.

[0017] 2. In the utility model, by providing the drum disc, the clamping plate and the fixed block, the drum disc is rotated counterclockwise so that the clamping plate enters the middle position of the fixed block through the bayonet, so that the fixing rod contacts the clamping block, and is pushed upward by the oblique cut surface of the clamping block. The clamping block is limited by the sliding groove and the pressing block, so that the clamping block is retracted into the displacement cavity and the second spring is compressed at the same time. When the fixing rod moves to the side wall of the clamping block, the elastic force generated by the deformation of the second spring resets the clamping block, fixes the drum disc as a whole, and prevents it from sliding. This structure ensures the stability of its connection structure while being movably connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the hub main structure proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the docking plate proposed in the present invention;

[0021] Figure 3 This is a schematic diagram of the card structure proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the limit groove structure proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the clamping block structure proposed by the utility model.

[0024] In the figure: 1. hub body; 2. hub plate; 3. bearing; 4. limiter; 5. hub hole; 6. mounting plate; 7. docking plate; 8. movable slot; 9. telescopic rod; 10. first spring; 11. displacement block; 12. clamping plate; 13. limit slot; 14. fixing block; 15. fixing rod; 16. clamping block; 17. slide groove; 18. pressing block; 19. second spring; 20. displacement chamber; 21. bayonet. DETAILED DESCRIPTION

[0025] The following will be combined with 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.

[0026] Example 1: Figures 1 to 5 As shown, this embodiment proposes a bicycle hub that is easy to connect, including a hub body 1, a bearing 3 and a drum hole 5, docking plates 7 are symmetrically provided on both sides of the hub body 1, the inner wall of the docking plate 7 is symmetrically provided with movable grooves 8, the inner wall of the movable groove 8 is installed with a telescopic rod 9, the outer wall of the telescopic rod 9 is installed with a first spring 10, one end of the telescopic rod 9 is connected to a clamping plate 12, the docking plate 7 is movably installed with a mounting plate 6 through the clamping plate 12, the side wall of the mounting plate 6 is provided with a limiting groove 13, the outer wall of the mounting plate 6 is provided with a drum plate 2, the outer wall of the drum plate 2 is symmetrically provided with a fixing rod 15, the outer wall of the drum plate 2 is evenly provided with drum holes 5, the side wall of the drum plate 2 is installed with bearings 3, and the side wall of the bearing 3 is installed with a limiter 4.

[0027] In this embodiment, the cross section of the clamping plate 12 is L-shaped, and one end of the clamping plate 12 matches the movable groove 8 .

[0028] In this embodiment, the limiting groove 13 is an annular hollow groove structure, and the limiting groove 13 and the other end of the clamping plate 12 fit together.

[0029] In this embodiment, a displacement block 11 is provided on the outer wall of one side of the clamping plate 12 , and the displacement block 11 is a convex structure.

[0030] Specific examples Figures 1 to 3 As shown, when this structure is used, the card plate 12 is pulled upward by the displacement block 11, and the telescopic rod 9 and the first spring 10 are stretched at the same time to dock the mounting plate 6 and the docking plate 7. The displacement block 11 is released so that the card plate 12 is reset by the elastic force generated by the deformation of the telescopic rod 9, so that the movable end of the card plate 12 is clamped into the limiting groove 13 provided on the side wall of the mounting plate 6, so that the drum plate 2 and the docking plate 7 are movably connected. This structure is convenient for disassembly and assembly.

[0031] Example 2: The side walls of the docking tray 7 are evenly provided with fixed blocks 14, the inner walls of the fixed blocks 14 are symmetrically provided with displacement cavities 20, and both sides of the displacement cavity 20 are symmetrically provided with slide grooves 17. The fixed blocks 14 are movably installed with a clamping block 16 through the slide grooves 17, and pressing blocks 18 are symmetrically provided on both sides of the bottom end of the clamping block 16. A second spring 19 is installed at the bottom end of the displacement cavity 20, and one end of the second spring 19 is connected to the outer wall of the clamping block 16.

[0032] In this embodiment, a bayonet 21 is provided on one side of the fixing block 14 , and the spacing between the bayonet 21 is the same as the diameter of the fixing rod 15 .

[0033] In this embodiment, the cross section of the clamping block 16 is trapezoidal, and the clamping block 16 and the displacement cavity 20 match each other.

[0034] In this embodiment, the pressing block 18 is a rectangular block structure, and the sliding groove 17 and the pressing block 18 fit together.

[0035] Specific examples Figure 1 、 Figure 4 and Figure 5 As shown, when this structure is used, the drum disc 2 is rotated counterclockwise so that the clamping plate 12 enters the middle position of the fixed block 14 through the bayonet 21, so that the fixing rod 15 contacts the clamping block 16, and is pushed upward by the oblique cut surface of the clamping block 16. The clamping block 16 is limited by the sliding groove 17 and the pressing block 18, so that the clamping block 16 is retracted into the displacement cavity 20 and the second spring 19 is compressed at the same time. When the fixing rod 15 moves to the side wall of the clamping block 16, the elastic force generated by the deformation of the second spring 19 resets the clamping block 16, fixes the drum disc 2 as a whole, and prevents it from sliding. This structure ensures the stability of its connection structure while being movably connected.

[0036] Working principle: When in use, the card plate 12 is pulled upward by the displacement block 11, and the telescopic rod 9 and the first spring 10 are stretched at the same time, so that the mounting plate 6 and the docking plate 7 are docked. The displacement block 11 is released to reset the card plate 12 under the elastic force generated by the deformation of the telescopic rod 9, so that the movable end of the card plate 12 is clamped into the limit groove 13 set on the side wall of the mounting plate 6, so that the drum plate 2 and the docking plate 7 are movably connected. The drum plate 2 is rotated counterclockwise to make the card plate 12 enter the middle position of the fixed block 14 through the bayonet 21, so that the fixed rod 15 contacts the clamping block 16, and the drum plate 2 is movably connected. The beveled surface of the clamping block 16 causes it to be pushed upward, and the sliding groove 17 and the pressing block 18 use the limiting effect of the clamping block 16 to shrink the clamping block 16 into the displacement chamber 20 and compress the second spring 19 at the same time. When the fixing rod 15 moves to the side wall of the clamping block 16, the elastic force generated by the deformation of the second spring 19 resets the clamping block 16, fixes the drum disc 2 as a whole, and prevents it from sliding. This structure ensures the stability of its connection structure while being movably connected, and is convenient for disassembly and assembly of the hub body 1 for maintenance and replacement.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A bicycle hub that is easy to connect, comprising a hub body (1), a bearing (3) and a hub hole (5), characterized in that: The hub body (1) is symmetrically provided with docking plates (7), the inner wall of the docking plate (7) is symmetrically provided with movable grooves (8), the inner wall of the movable groove (8) is installed with a telescopic rod (9), the outer wall of the telescopic rod (9) is installed with a first spring (10), one end of the telescopic rod (9) is connected with a clamping plate (12), the docking plate (7) is movably installed with a mounting plate (6) through the clamping plate (12), the side wall of the mounting plate (6) is provided with a limiting groove (13), the outer wall of the mounting plate (6) is provided with a drum plate (2), the outer wall of the drum plate (2) is symmetrically provided with a fixing rod (15), the outer wall of the drum plate (2) is evenly provided with drum holes (5), the side wall of the drum plate (2) is installed with a bearing (3), and the side wall of the litigation bearing (3) is installed with a limiter (4).

2. The bicycle hub that is easy to connect according to claim 1, characterized in that: The side walls of the docking plate (7) are evenly provided with fixed blocks (14), the inner wall of the fixed block (14) is symmetrically provided with a displacement cavity (20), and both sides of the displacement cavity (20) are symmetrically provided with a sliding groove (17), and the fixed block (14) is movably installed with a clamping block (16) through the sliding groove (17), and both sides of the bottom end of the clamping block (16) are symmetrically provided with a pressing block (18), and the bottom end of the displacement cavity (20) is installed with a second spring (19), and one end of the second spring (19) is connected to the outer wall of the clamping block (16).

3. The bicycle hub that is easy to connect according to claim 2, characterized in that: A bayonet (21) is provided on one side of the fixing block (14), and the spacing between the bayonet (21) is the same as the diameter of the fixing rod (15).

4. The bicycle hub that is easy to connect according to claim 2, characterized in that: The cross section of the clamping block (16) is trapezoidal, and the clamping block (16) and the displacement cavity (20) match each other.

5. The bicycle hub that is easy to connect according to claim 3, characterized in that: The pressing block (18) is in a rectangular block structure, and the sliding groove (17) and the pressing block (18) fit together.

6. The bicycle hub that is easy to connect according to claim 5, characterized in that: The cross section of the card plate (12) is an L-shaped structure, and one end of the card plate (12) matches the movable groove (8).

7. The bicycle hub that is easy to connect according to claim 6, characterized in that: The limiting groove (13) is an annular hollow groove structure, and the limiting groove (13) and the other end of the clamping plate (12) fit together.

8. The bicycle hub that is easy to connect according to claim 5, characterized in that: A displacement block (11) is provided on the outer wall of one side of the clamping plate (12), and the displacement block (11) is in a convex structure.

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