Bicycle hub with improved structure

Abstract

The utility model relates to the technical field of bicycle hubs, and discloses a bicycle hub with an improved structure, which comprises a hub outer shaft, a hub inner shaft and an abutting block, sealing mechanisms are arranged on both sides of the hub outer shaft, each sealing mechanism comprises a sealing ring and a fixing plate, the outer surface of each sealing ring is attached to the inside of the hub outer shaft, and the fixing plate is fixed on the hub outer shaft. The left side of the abutting block is fixedly connected with the right side of a sealing ring, and a through groove is formed in the abutting block. According to the bicycle hub with the improved structure, the position between the hub outer shaft and the spoke disc can be sealed by using the sealing ring and the abutting block, the safety during use is guaranteed, the stability of the positions of the sealing ring and the abutting block can be guaranteed by using the through groove, the fixing plate, the screw rod and the nut, the stability during sealing is guaranteed, and the service life of the bicycle hub is prolonged. Therefore, the problem of how to improve the overall sealing performance is solved, the effect of preventing impurities from entering can be achieved, damage to the interior is avoided, and the related replacement and maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle hubs, in particular to a bicycle hub with an improved structure. Background Art

[0002] A bicycle hub, also known as a "hub tube" or "axle skin", is a key component in the bicycle wheel hub system. It is located at both ends of the axle. Its main function is to connect the axle and spokes and transmit the power of the bicycle to the wheel so that it can rotate. It is usually composed of two parts: a shell and a bearing. The shell is responsible for protecting the bearing and fixing it to the wheel, while the bearing is responsible for supporting the wheel and providing smooth movement during riding.

[0003] According to a long-wheelbase bicycle hub with application number CN202120524286.9, this solution solves the problem of how to use dual bearing supports of sealed bearings and load-bearing bearings, and how to improve the truncated cone-shaped spoke disk to improve the lateral force effect.

[0004] However, the following problems still exist in actual use:

[0005] (1) The overall sealing performance is poor, which can easily cause dust and rainwater to enter during use, causing certain damage to the interior, thereby increasing the related replacement and maintenance costs.

[0006] (2) When the whole is connected, it is connected by fastening nuts, washers and internal locking nuts, which will lead to poor overall connection stability, thereby reducing the actual use effect.

[0007] For this reason, the utility model introduces a bicycle hub with improved structure. Utility Model Content

[0008] In view of the deficiencies in the prior art, the present invention provides a bicycle hub with an improved structure, which has the advantages of good sealing performance and ensuring overall stability when connected for use, thereby solving the problems raised in the background art.

[0009] The utility model provides the following technical solution: a bicycle hub with an improved structure, comprising a hub outer shaft, a hub inner shaft and an abutment block, wherein sealing mechanisms are provided on both sides of the hub outer shaft, the sealing mechanisms comprising a sealing ring and a fixing plate, the outer surface of the sealing ring fits with the interior of the hub outer shaft, the left side of the abutment block is fixedly connected to the right side of the sealing ring, a through groove is provided inside the abutment block, and both sides of the fixing plate are fixedly connected to the interior of the through groove.

[0010] Preferably, a connecting mechanism is provided on the right side of the abutment block, and the connecting mechanism includes a fastening plate, a fastening bolt and a threaded column. The left side of the fastening plate is fixedly connected to the right side of the abutment block, the outer surface of the fastening bolt is connected to the internal thread of the fastening plate, and the outer surface of the fastening bolt is connected to the internal thread of the abutment block, and one end of the threaded column is fixedly connected to one end of the inner shaft of the hub.

[0011] Preferably, the internal thread of the fixing plate is connected to a screw rod, and the outer surface of the screw rod is connected to the internal thread of the spoke disk, and a nut is fixedly installed at one end of the screw rod.

[0012] Preferably, spoke discs are fixedly mounted on both sides of the hub outer shaft, and the right side of the spoke disc is fixedly connected to the left side of the abutment block.

[0013] Preferably, an abutment bolt is threadedly connected to the outer surface of the threaded column, and the left side of the abutment bolt abuts against the right side of the inner shaft of the hub.

[0014] Preferably, the outer surface of the inner shaft of the hub is fixedly connected to the interior of the sealing ring, and the outer surface of the inner shaft of the hub is fixedly connected to the interior of the abutment block.

[0015] Preferably, a connecting ring is fixedly installed inside the fastening plate, and the inside of the connecting ring is fixedly connected to the outer surface of the inner shaft of the hub.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The bicycle hub with this improved structure can seal the space between the hub outer shaft and the spoke disc by using a sealing ring and abutment blocks, thereby ensuring safety during use. The use of through grooves, fixing plates, screws and nuts can ensure the stability of the position of the sealing ring and the abutment blocks, ensuring stability during sealing, thereby solving the problem of how to improve the overall sealing performance, preventing impurities from entering, avoiding damage to the internal parts, and reducing the cost of related replacement and maintenance.

[0018] 2. The bicycle hub with this improved structure can abut the position of the spoke disc through the use of a fastening plate, a fastening bolt and a connecting ring to ensure the connection between the spoke disc and the whole. The connection between the spoke disc and the whole can be further stabilized through the use of a threaded column and abutting bolts, thereby solving the problem of how to ensure the stability of the overall connection, achieving a more fixed overall effect during use, improving the actual use efficiency, and also improving the actual use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 Schematic diagram of the local structure;

[0021] Figure 3 For this utility model Figure 1 Schematic diagram of the sealing mechanism structure;

[0022] Figure 4 For this utility model Figure 1 Schematic diagram of the connection mechanism structure.

[0023] In the figure: 1. Hub outer shaft; 2. Spoke plate; 3. Hub inner shaft; 4. Sealing ring; 5. Abutment block; 6. Through groove; 7. Fixing plate; 8. Screw; 9. Nut; 10. Fastening plate; 11. Fastening bolt; 12. Threaded column; 13. Abutment bolt; 14. Sealing mechanism; 15. Connecting mechanism; 16. Connecting ring. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 3 , a bicycle hub with an improved structure, includes a hub outer shaft 1, a hub inner shaft 3 and an abutment block 5. Sealing mechanisms 14 are provided on both sides of the hub outer shaft 1. The sealing mechanism 14 includes a sealing ring 4 and a fixing plate 7. The outer surface of the sealing ring 4 fits with the inner part of the hub outer shaft 1, and the left side of the abutment block 5 is fixedly connected to the right side of the sealing ring 4. A through groove 6 is opened inside the abutment block 5, and both sides of the fixing plate 7 are fixedly connected to the inner part of the through groove 6. The internal thread of the fixing plate 7 is connected with a screw 8, and the outer surface of the screw 8 is connected to the internal thread of the spoke disk 2. A nut 9 is fixedly installed at one end of the screw 8. The use of the sealing ring 4, the fixing plate 7, the abutment block 5 and the through groove 6 can prevent impurities from entering, avoid damage to the interior, and reduce the cost of related replacement and maintenance.

[0026] See also Figure 4The left side of the fastening plate 10 is fixedly connected to the right side of the abutment block 5, and the outer surface of the fastening bolt 11 is connected to the internal thread of the fastening plate 10, and the outer surface of the fastening bolt 11 is connected to the internal thread of the abutment block 5. One end of the threaded column 12 is fixedly connected to one end of the inner shaft 3 of the hub drum. The outer surface of the threaded column 12 is threadedly connected with the abutment bolt 13, and the left side of the abutment bolt 13 abuts the right side of the inner shaft 3 of the hub drum. A connecting ring 16 is fixedly installed inside the fastening plate 10, and the inside of the connecting ring 16 is fixedly connected to the outer surface of the inner shaft 3 of the hub drum. Through the fastening plate 10, the fastening bolt 11 and the threaded column 12, as well as the abutment bolt 13 and the connecting ring 16, a more fixed overall effect can be achieved during use, which can improve the actual use efficiency and the actual use effect.

[0027] See also Figure 1 and Figure 2 The spoke discs 2 are fixedly installed on both sides of the hub outer shaft 1, and the right side of the spoke disc 2 is fixedly connected to the left side of the abutment block 5. The outer surface of the hub inner shaft 3 is fixedly connected to the inside of the sealing ring 4, and the outer surface of the hub inner shaft 3 is fixedly connected to the inside of the abutment block 5. Through the use of the spoke disc 2, the hub inner shaft 3, the sealing ring 4 and the abutment block 5, the overall stability during use can be guaranteed, making it smoother and more efficient during use.

[0028] Working principle: when in use, while ensuring the overall sealing, you can first connect the inside of the sealing ring 4 with the outer surface of the inner shaft 3 of the hub, and then connect the left side of the abutment block 5 with the right side of the sealing ring 4, and then use the through groove 6 opened inside the abutment block 5 to install the fixing plate 7 inside the through groove 6. After installation, you can rotate the nut 9, fix the installation screw 8 on the left side of the nut 9 and rotate it inside the fixing plate 7, and connect the outer surface of the nut 9 to the internal thread of the spoke disk 2 to ensure the stability of the overall use.

[0029] When ensuring the overall connection stability, the left side of the fastening plate 10 can be connected to the right side of the abutment block 5 first, and then the outer surface of the fastening bolt 11 can be connected to the internal threads of the fastening plate 10 and the abutment block 5 to stabilize the position of the fastening plate 10 and the connecting ring 16. The inside of the connecting ring 16 is connected to the outer surface of the hub inner shaft 3, and then the threaded column 12 is installed on one end of the hub inner shaft 3, and the outer surface of the threaded column 12 is threadedly installed with the abutment bolt 13. The left side of the abutment bolt 13 is abutted against one end of the hub inner shaft 3, which can ensure the stability of the whole during use.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] 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 hub with an improved structure, characterized in that: The invention comprises a hub outer shaft (1), a hub inner shaft (3) and an abutment block (5); a sealing mechanism (14) is provided on both sides of the hub outer shaft (1); the sealing mechanism (14) comprises a sealing ring (4) and a fixing plate (7); the outer surface of the sealing ring (4) is fitted with the inside of the hub outer shaft (1); the left side of the abutment block (5) is fixedly connected to the right side of the sealing ring (4); a through groove (6) is provided inside the abutment block (5); and both sides of the fixing plate (7) are fixedly connected to the inside of the through groove (6).

2. The bicycle hub with improved structure according to claim 1, characterized in that: A connecting mechanism (15) is provided on the right side of the abutting block (5), and the connecting mechanism (15) includes a fastening plate (10), a fastening bolt (11) and a threaded column (12). The left side of the fastening plate (10) is fixedly connected to the right side of the abutting block (5), the outer surface of the fastening bolt (11) is connected to the inner thread of the fastening plate (10), and the outer surface of the fastening bolt (11) is connected to the inner thread of the abutting block (5), and one end of the threaded column (12) is fixedly connected to one end of the inner shaft (3) of the hub.

3. The bicycle hub with improved structure according to claim 1, characterized in that: The internal thread of the fixing plate (7) is connected to a screw rod (8), and the outer surface of the screw rod (8) is connected to the internal thread of the spoke disc (2). A nut (9) is fixedly installed at one end of the screw rod (8).

4. The bicycle hub with improved structure according to claim 1, characterized in that: Spoke discs (2) are fixedly mounted on both sides of the hub outer shaft (1), and the right side of the spoke disc (2) is fixedly connected to the left side of the abutment block (5).

5. The bicycle hub with improved structure according to claim 2, characterized in that: The outer surface of the threaded column (12) is threadedly connected with an abutting bolt (13), and the left side of the abutting bolt (13) abuts against the right side of the hub inner shaft (3).

6. The bicycle hub with improved structure according to claim 1, characterized in that: The outer surface of the hub inner shaft (3) is fixedly connected to the inside of the sealing ring (4), and the outer surface of the hub inner shaft (3) is fixedly connected to the inside of the abutment block (5).

7. The bicycle hub with improved structure according to claim 2, characterized in that: A connecting ring (16) is fixedly installed inside the fastening disc (10), and the inside of the connecting ring (16) is fixedly connected to the outer surface of the hub inner shaft (3).

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