Hub mechanism convenient to disassemble
By setting a combination structure of locking nut and fixing jacket on the central shaft of the drum, using the stop slot and slide groove design to form a short handle, the problem of difficulty in disassembling the drum alone is solved, and the convenience of tool-free disassembly is achieved.
Patent Information
- Application Number
- CN202422825346.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing bushing needs external tools to help disassemble it, which is particularly difficult to disassemble it alone.
The lock nut is arranged on the central shaft of the drum and the outer side of the drum edge plug to connect the fixed jacket, and the sliding groove and stop groove are provided inside. The telescopic handle post extends out through the pulling of the stop buckle to form a short handle for removing the drum without tools.
It realizes the convenient disassembly of the bushing without external tools, improving the convenience of disassembly.
Smart Images
Figure CN223266542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bicycle accessories, in particular to a hub mechanism which is easy to disassemble. Background Art
[0002] The bicycle hub is the core component of a bicycle wheel, primarily consisting of the rim, hub, spokes, and spoke nuts. Hubs are divided into locking and cassette hubs. The former is primarily used on low-end mountain bikes, while the latter are widely used on high-end mountain bikes and road bikes. The internal structure of the hub includes bearings or bead cups, which connect the hub shell to the axle, allowing the hub body to rotate freely relative to the axle. The front hub achieves free rotation through its internal bearings or bead cups, while the rear hub drives the wheel through a ratchet mechanism. The ratchet mechanism consists of pawls and teeth that engage and transmit driving force when pedaling, and release when pedaling stops, allowing the bicycle to glide by inertia.
[0003] When disassembling the existing hub, the locking nuts at both ends must be removed first. However, since the locking nuts are generally tight after installation, disassembly without the help of external tools is particularly difficult.
[0004] Therefore, it is particularly important to design a hub mechanism that is easy to disassemble to change the above technical defects and improve overall practicality. Utility Model Content
[0005] The purpose of the present utility model is to provide a hub mechanism that is easy to disassemble, so as to solve the problems raised in the above background technology.
[0006] To achieve the above objectives, the present invention provides the following technical solutions:
[0007] A hub mechanism that is easy to disassemble includes a hub axle, the outer side of the hub axle is symmetrically sleeved with a bearing sleeve, the left and right ends of the outer side of the hub axle and the outer side of the bearing sleeve are provided with external threads, the outer side of the hub axle is installed with a hub shell, the left and right ends of the outer side of the hub axle and the outer side of the hub shell are provided with hub side plugs, the left and right ends of the outer side of the hub axle and the outer side of the hub side plug are connected with locking nuts, the left and right sides of the outer side of the locking nut are provided with a fixed sleeve, the interior of the fixed sleeve is slidably connected to a telescopic handlebar, the outer side of the fixed sleeve is provided with a slide groove extending along the length direction of the fixed sleeve inwardly, the two ends of the slide groove are extended forward to provide a stop groove, and the outer side of the telescopic handlebar is provided with a stop buckle that slides with the slide groove.
[0008] As a preferred solution of the present invention, both ends of the interior of the hub shell are clamped to the exterior of the bearing sleeve.
[0009] As a preferred solution of the present invention, the locking nut and the hub axle are designed to be detachable.
[0010] As a preferred solution of the present invention, the positions of the locking nut and the external thread correspond to each other, and the connection method is threaded connection.
[0011] As a preferred solution of the present invention, the internal structure size of the fixed outer sleeve is adapted to the external structure size of the telescopic handlebar.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] In the present invention, a hub mechanism that is easy to disassemble is set up, and a group of locking nuts are added at both ends of the hub side plug on the outer side of the hub shell on the hub center axis to increase the tightness of the hub. However, when the hub needs to be temporarily disassembled without external tools, the stop buckle originally stuck in the rear stop groove can be toggled, and then moved forward inside the slide groove to extend the telescopic handle column originally hidden inside the fixed sleeve, and then the stop buckle is stuck in the stop groove at the front position for fixation. The extended telescopic handle column and the fixed sleeve form a short handle. The user can rotate the locking nut through the two groups of short handles, which makes it convenient to disassemble the hub without external tools. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a three-dimensional diagram of the overall structure of the utility model;
[0015] Figure 2 This is a structural diagram of the hub axle of the utility model;
[0016] Figure 3 It is a schematic diagram of the local structure of the utility model.
[0017] In the figure: 1. Hub axle; 2. Bearing sleeve; 3. External thread; 4. Hub shell; 5. Hub side plug; 6. Locking nut; 601. Fixed sleeve; 602. Telescopic handlebar; 603. Slide; 604. Stop groove; 605. Stop buckle. DETAILED DESCRIPTION
[0018] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0019] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0022] For examples, see Figure 1-3 , the utility model provides a technical solution:
[0023] A hub mechanism that is easy to disassemble includes a hub axle 1, a bearing sleeve 2 is symmetrically sleeved on the outer side of the hub axle 1, and external threads 3 are provided on the left and right ends of the outer side of the hub axle 1 and on the outer side of the bearing sleeve 2. A hub shell 4 is installed on the outer side of the hub axle 1, and hub side plugs 5 are provided on the left and right ends of the outer side of the hub axle 1 and on the outer side of the hub shell 4. Locking nuts 6 are connected to the left and right ends of the outer side of the hub axle 1 and on the outer side of the hub side plugs 5.
[0024] The two ends of the hub shell 4 are clamped on the outside of the bearing sleeve 2, and the locking nut 6 and the hub axle 1 are designed to be detachable. The position of the locking nut 6 corresponds to the position of the external thread 3, and the connection method is a threaded connection.
[0025] In this embodiment, please refer to Figure 3, both sides of the outer portion of the locking nut 6 are provided with a fixed sleeve 601, and the interior of the fixed sleeve 601 is slidably connected to the telescopic handle column 602, and a sliding groove 603 extending along the length direction of the fixed sleeve 601 is provided on the outer side of the fixed sleeve 601. Both ends of the sliding groove 603 are extended forward to provide a stop groove 604, and the outer side of the telescopic handle column 602 is provided with a stop buckle 605 that slides with the sliding groove 603. The stop buckle 605 originally stuck in the stop groove 604 at the rear side is toggled, and then moved forward inside the sliding groove 603, so that the telescopic handle column 602 originally hidden inside the fixed sleeve 601 is extended, and then the stop buckle 605 is stuck in the stop groove 604 at the front position for fixing. The extended telescopic handle column 602 and the fixed sleeve 601 form a short handle;
[0026] The internal structure and size of the fixed outer sleeve 601 are adapted to the external structure and size of the telescopic handlebar 602 .
[0027] The working process of the present invention is as follows: when in use, a set of locking nuts 6 are added to both ends of the hub side plug 5 on the outer side of the hub shell 4 on the hub middle shaft 1 to increase the tightness of the hub. However, when the hub needs to be temporarily disassembled without external tools, the stop buckle 605 originally stuck in the rear stop groove 604 can be moved, and then moved forward inside the slide groove 603 to extend the telescopic handle column 602 originally hidden inside the fixed sleeve 601, and then the stop buckle 605 is stuck in the stop groove 604 at the front position for fixation. The extended telescopic handle column 602 and the fixed sleeve 601 form a short handle. The user can rotate the locking nut 6 through the two sets of short handles, which makes it convenient to disassemble the hub without external tools.
[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 hub mechanism that is easy to disassemble, comprising a hub axle (1), characterized in that: The outer side of the hub axle (1) is symmetrically sleeved with a bearing sleeve (2), and the left and right ends of the outer side of the hub axle (1) and the outer side of the bearing sleeve (2) are provided with external threads (3). The outer side of the hub axle (1) is provided with a hub shell (4), and the left and right ends of the outer side of the hub axle (1) and the outer side of the hub shell (4) are provided with hub side plugs (5). The left and right ends of the outer side of the hub axle (1) and the outer side of the hub side plug (5) are connected with locking nuts (6). A fixed sleeve (601) is provided on both the left and right sides of the outside of the locking nut (6), and the interior of the fixed sleeve (601) is slidably connected to a telescopic handle column (602). A sliding groove (603) extending along the length direction of the fixed sleeve (601) is provided inwardly on the outside of the fixed sleeve (601), and both ends of the sliding groove (603) are extended forward to form a stop groove (604). A stop buckle (605) that slidably cooperates with the sliding groove (603) is provided on the outside of the telescopic handle column (602).
2. The easily disassembled hub mechanism according to claim 1, characterized in that: Both ends of the interior of the hub shell (4) are clamped on the exterior of the bearing sleeve (2).
3. The easily disassembled hub mechanism according to claim 1, characterized in that: The locking nut (6) and the hub axle (1) are designed to be detachable.
4. The hub mechanism that is easy to disassemble according to claim 1, characterized in that: The locking nut (6) corresponds to the position of the external thread (3), and the connection method is threaded connection.
5. The hub mechanism that is easy to disassemble according to claim 1, characterized in that: The internal structure size of the fixed outer sleeve (601) is adapted to the external structure size of the telescopic handlebar (602).