Bicycle hub convenient to replace

Abstract

The bicycle hub convenient to replace comprises a bicycle hub body, a connecting shaft and a connecting column, the connecting shaft and the connecting column are arranged on the bicycle hub body, a clamping groove is formed in the connecting column, the connecting shaft extends into the clamping groove, and two connecting grooves are formed in the left side face of the connecting column. Two telescopic rods are fixedly connected into the clamping groove, supporting plates are fixedly connected to the opposite side faces of the two telescopic rods, fixing rods are fixedly connected to the opposite side faces of the two supporting plates, and fixing holes are formed in the top face and the bottom face of the connecting shaft. According to the bicycle hub convenient to replace, through clearance fit between fixing rods and fixing holes, connecting shafts are fixed, the hub is conveniently replaced, under the action of springs, the fixing rods are supported, the stability of the fixing rods is improved, meanwhile, under the action of sealing plates, connecting grooves are sealed, the attractiveness is improved, and the bicycle hub is convenient to replace. The device is more convenient and practical.

Description

Technical Field

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

[0002] The hub is the most important part of the bicycle wheel. It determines the riding resistance, the carrying capacity of the bicycle and the durability of the wheel to a large extent. The hub, commonly known as the hub barrel, is the barrel outside the axle that connects to the spokes. It is also usually called the axle skin. According to the different arrangement methods of the number of spokes, there are generally 3 and 5 methods. There are two types of hubs: iron hub and aluminum hub.

[0003] Chinese patent CN217553589U discloses a bicycle hub that is easy to replace. The patent discloses a technical solution for convenient replacement, which solves the existing problem that as the bicycle is used, the hub needs to be replaced due to rust and wear, etc., and the disassembly of the bicycle hub requires a specific wrench, and the disassembly steps are cumbersome, which has low practicality.

[0004] When the device is in use, the upper clamp block and the lower clamp block are moved by the threaded connection to fix the connecting shaft, and then the hub is disassembled and assembled. However, the threaded connection is easily disturbed by external factors, which may cause thread slippage and rust at the connection, making it inconvenient for staff to operate. Therefore, a bicycle hub that is easy to replace is proposed to solve the above problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a bicycle hub that is easy to replace and has the advantage of convenient disassembly and assembly. It solves the problem that when the device is in use, the upper clamp block and the lower clamp block are driven to move through the threaded connection to fix the connecting shaft and then the hub is disassembled and assembled, but the threaded connection is easily disturbed by external factors, which may cause thread slippage and rust at the connection, making it inconvenient for staff to operate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a bicycle hub that is easy to replace, comprising a bicycle hub body and a connecting shaft and a connecting column arranged on the bicycle hub body, a slot being provided inside the connecting column, the connecting shaft extending into the inside of the slot, and two connecting grooves being provided on the left side of the connecting column.

[0007] Two telescopic rods are fixedly connected to the interior of the card slot, and the opposite sides of the two telescopic rods are fixedly connected to support plates, and the opposite sides of the two support plates are fixedly connected to fixing rods, and the top and bottom surfaces of the connecting shaft are provided with fixing holes, and the two fixing rods extend to the inside of the two fixing holes respectively, and the outer peripheral walls of the two telescopic rods are respectively provided with springs fixedly connected to the card slot and the support plate.

[0008] The connecting column is provided with a supporting assembly for supporting the supporting plate.

[0009] The connecting column is provided with a sealing assembly for sealing the connecting groove.

[0010] Furthermore, the two support plates are both fitted with the connecting shaft, and the two fixing rods are respectively loosely fitted with the two fixing holes.

[0011] Furthermore, the support assembly includes two limit blocks, and the two limit blocks are respectively fixedly connected to the right side surfaces of the two support plates. Two limit grooves are opened inside the connecting column, and the two limit blocks extend to the inside of the two limit grooves respectively. The side surfaces of the two support plates away from the fixing rod are fixedly connected with pull plates.

[0012] Furthermore, the two limit blocks are slidably connected to the two limit slots respectively, and the two limit slots are both located on the right side of the card slot and communicated with it.

[0013] Furthermore, the sealing assembly includes two sealing plates, the two sealing plates are respectively placed inside the two connecting grooves, the outer peripheral walls of the two sealing plates are each provided with a rubber ring, the right sides of the two sealing plates are each provided with a fixing groove, the two pull plates respectively extend to the inside of the two fixing grooves, and the top and bottom surfaces of the two pull plates are fixedly connected with rubber pads.

[0014] Furthermore, the two pull plates are both L-shaped plates, the two rubber rings are respectively fitted with the two connecting grooves, and the rubber pads are fitted with the fixing grooves.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The bicycle hub which is easy to replace fixes the connecting shaft through the clearance fit between the fixing rod and the fixing hole, and the hub can be replaced conveniently. The fixing rod is supported by the spring to improve the stability of the fixing rod. At the same time, the connecting groove is sealed by the sealing plate to improve the aesthetics, and the hub is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 A is a magnified schematic diagram of the structure;

[0019] Figure 3 It is a schematic diagram of the right side of the sealing plate in the structure of the utility model.

[0020] In the figure: 1 bicycle hub body, 2 connecting shaft, 3 connecting column, 4 connecting groove, 5 sealing plate, 6 slot, 7 limit block, 8 limit slot, 9 telescopic rod, 10 spring, 11 rubber pad, 12 fixing groove, 13 pull plate, 14 rubber ring, 15 support plate, 16 fixing rod, 17 fixing hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 In this embodiment, a bicycle hub that is easy to replace includes a bicycle hub body 1 and a connecting shaft 2 and a connecting column 3 arranged on the bicycle hub body 1. A slot 6 is opened inside the connecting column 3, and the connecting shaft 2 extends into the inside of the slot 6. Two connecting slots 4 are opened on the left side of the connecting column 3.

[0023] Two telescopic rods 9 are fixedly connected inside the slot 6, and the opposite sides of the two telescopic rods 9 are fixedly connected to support plates 15, and the opposite sides of the two support plates 15 are fixedly connected to fixing rods 16. The top and bottom surfaces of the connecting shaft 2 are provided with fixing holes 17, and the two fixing rods 16 extend to the inside of the two fixing holes 17 respectively. The outer peripheral walls of the two telescopic rods 9 are respectively covered with springs 10 fixedly connected to the slot 6 and the support plate 15.

[0024] The two support plates 15 are both in contact with the connecting shaft 2 , and the two fixing rods 16 are respectively in clearance fit with the two fixing holes 17 .

[0025] Specifically, the support plate 15 moves, and the fixing rod 16 is driven to move by the support plate 15, so as to squeeze the telescopic rod 9 and the spring 10, so that the telescopic rod 9 and the spring 10 are contracted, and the connecting shaft 2 is inserted into the interior of the card slot 6, and the fixing rod 16 and the fixing hole 17 are located on the same center line. Under the action of the spring 10, the fixing rod 16 is pushed to reset, and the fixing rod 16 is inserted into the interior of the fixing hole 17. Through the clearance fit between the fixing rod 16 and the fixing hole 17, the connecting column 3 and the connecting shaft 2 are fixed.

[0026] In this embodiment, a support assembly is provided on the connecting column 3, and the support assembly includes two limit blocks 7, and the two limit blocks 7 are respectively fixedly connected to the right side surfaces of the two support plates 15. Two limit grooves 8 are opened inside the connecting column 3, and the two limit blocks 7 extend to the inside of the two limit grooves 8 respectively. The side of the two support plates 15 away from the fixing rod 16 is fixedly connected with a pull plate 13.

[0027] The two limiting blocks 7 are slidably connected to the two limiting grooves 8 respectively, and the two limiting grooves 8 are both located on the right side of the card slot 6 and communicated with it.

[0028] Specifically, the pull plate 13 is pulled to move the pull plate 13 , thereby driving the support plate 15 to move. The support plate 15 is supported by the sliding connection between the limit block 7 and the limit groove 8 , thereby improving the stability of the support plate 15 .

[0029] In this embodiment, a sealing assembly is provided on the connecting column 3, and the sealing assembly includes two sealing plates 5. The two sealing plates 5 are respectively placed inside the two connecting grooves 4. The outer peripheral walls of the two sealing plates 5 are both covered with rubber rings 14. The right sides of the two sealing plates 5 are both provided with fixing grooves 12. Two pull plates 13 extend to the inside of the two fixing grooves 12 respectively, and the top and bottom surfaces of the two pull plates 13 are fixedly connected with rubber pads 11.

[0030] The two pull plates 13 are both L-shaped plates, the two rubber rings 14 are respectively fitted with the two connection grooves 4 , and the rubber pad 11 is fitted with the fixing groove 12 .

[0031] Specifically, the sealing plate 5 is pushed to enter the interior of the connecting groove 4, and the pulling plate 13 is inserted into the interior of the fixing groove 12 to restrict the sealing plate 5. The connecting groove 4 is sealed by the fitting between the rubber ring 14 and the connecting groove 4. The sealing plate 5 is fixed by the fitting between the rubber pad 11 and the fixing groove 12, thereby sealing the connecting groove 4.

[0032] The working principle of the above embodiment is:

[0033] Pull the pull plate 13 to move the pull plate 13, thereby driving the support plate 15 to move, and the support plate 15 drives the fixed rod 16 to move, and the telescopic rod 9 and the spring 10 are squeezed to shrink the telescopic rod 9 and the spring 10. The support plate 15 is supported by the sliding connection between the limit block 7 and the limit groove 8 to improve the stability of the support plate 15. The connecting shaft 2 is inserted into the interior of the card slot 6, and the fixed rod 16 and the fixed hole 17 are located on the same center line. The pull plate 13 is loosened, and the fixed rod 16 is pushed under the action of the spring 10. The rod 16 is reset, and the fixing rod 16 is inserted into the fixing hole 17. The connection column 3 and the connection shaft 2 are fixed by the clearance fit between the fixing rod 16 and the fixing hole 17. The sealing plate 5 is pushed, and the sealing plate 5 enters the connection groove 4. The pulling plate 13 is inserted into the fixing groove 12 to restrict the sealing plate 5. The connection groove 4 is sealed by the fit between the rubber ring 14 and the connection groove 4. The sealing plate 5 is fixed by the fit between the rubber pad 11 and the fixing groove 12, and then the connection groove 4 is sealed.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bicycle hub that is easy to replace, comprising a bicycle hub body (1) and a connecting shaft (2) and a connecting column (3) arranged on the bicycle hub body (1), characterized in that: The connecting column (3) has a slot (6) formed inside, the connecting shaft (2) extends into the slot (6), and the left side of the connecting column (3) has two connecting slots (4); Two telescopic rods (9) are fixedly connected inside the card slot (6), and the opposite side surfaces of the two telescopic rods (9) are fixedly connected to a support plate (15), and the opposite side surfaces of the two support plates (15) are fixedly connected to a fixing rod (16), and the top and bottom surfaces of the connecting shaft (2) are both provided with fixing holes (17), and the two fixing rods (16) extend into the inside of the two fixing holes (17) respectively, and the outer peripheral walls of the two telescopic rods (9) are respectively provided with springs (10) fixedly connected to the card slot (6) and the support plate (15); A supporting component is provided on the connecting column (3), and a sealing component is provided on the connecting column (3).

2. The easily replaceable bicycle hub according to claim 1, characterized in that: The two support plates (15) are both fitted with the connecting shaft (2), and the two fixing rods (16) are respectively clearance-fitted with the two fixing holes (17).

3. The easily replaceable bicycle hub according to claim 1, characterized in that: The support assembly comprises two limit blocks (7), the two limit blocks (7) are respectively fixedly connected to the right side surfaces of the two support plates (15), the connection column (3) is provided with two limit grooves (8) inside, the two limit blocks (7) extend to the inside of the two limit grooves (8), and the side surfaces of the two support plates (15) away from the fixing rod (16) are both fixedly connected with a pull plate (13).

4. The easily replaceable bicycle hub according to claim 3, characterized in that: The two limit blocks (7) are respectively slidably connected to the two limit slots (8), and the two limit slots (8) are both located on the right side of the clamping slot (6) and are connected thereto.

5. The easily replaceable bicycle hub according to claim 3, characterized in that: The sealing assembly comprises two sealing plates (5), the two sealing plates (5) are respectively placed inside two connecting grooves (4), the outer peripheral walls of the two sealing plates (5) are both sleeved with rubber rings (14), the right sides of the two sealing plates (5) are both provided with fixing grooves (12), the two pulling plates (13) respectively extend to the inside of the two fixing grooves (12), and the top and bottom surfaces of the two pulling plates (13) are both fixedly connected with rubber pads (11).

6. The easily replaceable bicycle hub according to claim 5, characterized in that: The two pull plates (13) are both L-shaped plates, the two rubber rings (14) are respectively fitted with the two connection grooves (4), and the rubber pad (11) is fitted with the fixing groove (12).

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