Polishing tool for bicycle hub

Abstract

The utility model provides a polishing tool for a bicycle hub, which relates to the technical field of hub polishing and comprises a support frame main body, a support shaft is placed on the support frame main body, the support shaft is inserted into a drill bit in a penetrating manner, the drill bit is polished through a polishing machine, and the polishing machine is placed below the support frame main body. An ejection structure is installed on the outer wall of the supporting frame body, the top end of the ejection structure is located below the supporting shaft, a switch is installed outside the ejection structure, the ejection structure moves up and down to eject the supporting shaft, and the ejection structure comprises a driving part and an ejection part; the design of the ejection structure of the tool allows a worker to easily take down the hub from the supporting frame, once the motor is started, the lead screw can rotate and drive the two sets of nuts to move oppositely so as to extrude the hinge rod to be ejected upwards, the hub can be rapidly and smoothly ejected from the supporting frame through the mechanism, and therefore the disassembling process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel hub polishing technical field especially relates to a polishing tool of bicycle wheel hub. BACKGROUND

[0002] The polishing of bicycle wheel hub is a delicate process, it needs to select suitable tool according to different polishing stage, in the production and maintenance process of bicycle wheel hub, before carrying out electroplating or final surface treatment, uses the polishing machine to carry out rough polishing, and the polishing machine is usually equipped with support support, wheel hub can be replaced as required to reach different polishing effects.

[0003] In the existing bicycle wheel hub polishing tool setting, wheel hub is placed on the support frame through the shaft, however, after polishing, the shaft is tightly engaged with the support frame, so that the wheel hub is difficult to be taken off from the support frame, when disassembling the wheel hub, the operator needs to lift the wheel hub from the support frame by force, because the wheel hub is polished, the surface is relatively smooth, which can easily cause the wheel hub to slide during disassembly, thereby causing safety accidents. UTILITY MODEL CONTENTS

[0004] The utility model discloses a ejection structure design of the tool allows the staff to easily take off the wheel hub from the support frame, once starting the motor, the screw rod will rotate and drive two groups of screw nuts to move towards each other, so as to extrude the articulated rod and lift upwards, this mechanism makes the wheel hub can be quickly and smoothly lifted from the support frame, thereby simplifying the disassembly process.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a polishing tool of bicycle wheel hub, including support frame main part, the support frame main part is placed with support shaft, the support shaft is inserted into the drill bit, the drill bit is polished through the polishing machine, the polishing machine is placed below the support frame main part, the outer wall of support frame main body is equipped with the ejection structure and is installed, the top of ejection structure is located below the support shaft;

[0006] The switch is installed on the outer portion of the ejection structure, the support shaft is lifted by the up-down movement of the ejection structure, and the ejection structure comprises a driving member and a lifting member.

[0007] Preferably, the driving member includes a mounting plate connected to the side wall of the support frame main body, a connecting plate connected to the side wall of the support frame main body, a motor connected to the connecting plate, a screw rod connected to the output end, and a lifting member connected to the screw rod.

[0008] Preferably, the input end of the motor is electrically connected to the output end of the external switch through a wire.

[0009] Preferably, two groups of external threads are symmetrically formed on the outer wall of the screw rod, and the two groups of external threads are arranged in opposite directions.

[0010] Preferably, the jacking member comprises a nut connected to a threaded rod, a sliding block connected to the outer wall of the nut, a sliding groove opened on the inner wall of the support frame body and in sliding connection with the sliding block, a hinged rod hinged to the upper end of the nut, a top plate hinged to the top end of the hinged rod, and a support plate mounted on the top plate.

[0011] Preferably, the hinged rods are symmetrically arranged in four groups, and each group of the hinged rods is in a waist-round shape.

[0012] Preferably, the top end of the support plate is provided with a U-shaped notch, and the U-shaped notch is in abutment with the support shaft.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The tool's ejection structure design allows the worker to easily remove the hub from the support frame. Once the motor is started, the screw rod will rotate and drive the two groups of nuts to move towards each other, thereby pressing the hinged rods upward. This mechanism allows the hub to be quickly and smoothly lifted from the support frame, thereby simplifying the disassembly process.

[0015] 2. Improved safety: Since the hinged rods are symmetrically arranged and in a waist-round shape, they can evenly distribute the force, providing greater stability and load-bearing capacity. This design reduces the risk of structural deflection or damage caused by uneven stress. In addition, the U-shaped notch at the top end of the support plate is in abutment with the support shaft, preventing the hub from moving unexpectedly during the removal of the drill bit, further improving the safety of the grinding tool.

[0016] 3. Reducing sliding and displacement: When the hub is lifted, the support plate can be more closely fitted to the support shaft, preventing the hub from sliding due to smooth surfaces during disassembly. This design ensures the stability of the disassembly process and reduces the risk of safety accidents caused by hub sliding.

[0017] 4. Improved operational convenience: The worker can easily operate the ejection structure to lift the hub by controlling the motor start through an external switch. This design reduces the labor intensity of the operator and improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective view of a grinding tool for a bicycle hub is proposed for the utility model;

[0019] Figure 2 A front view of a grinding tool for a bicycle hub is proposed for the utility model;

[0020] Figure 3 A top view of a grinding tool for a bicycle hub is proposed for the utility model;

[0021] Figure 4 The utility model provides a bicycle wheel hub's polishing tool's jacking piece perspective view;

[0022] Figure 5 The utility model provides a bicycle wheel hub's polishing tool's jacking piece plan view.

[0023] Legend: 1, support frame main part, 2, drill bit, 3, polishing machine, 4, ejection structure, 41, mounting plate, 42, connecting plate, 43, motor, 44, screw rod, 45, nut, 46, sliding block, 47, sliding slot, 48, articulated rod, 49, top plate, 410, support plate, 5, support shaft. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further explained below in conjunction with the drawings and examples.It needs to be explained that the embodiment of the present application and the features in the embodiment can be combined mutually without conflict.

[0025] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0026] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of bicycle wheel hub's polishing tool, including support frame main part 1, support frame main part 1 is placed with support shaft 5, support shaft 5 is inserted into drill bit 2, drill bit 2 is polished by polishing machine 3, and polishing machine 3 is placed below support frame main part 1, and top out structure 4 is installed on the outer wall of support frame main part 1, and the top of top out structure 4 is below support shaft 5;

[0027] Switch is installed outside top out structure 4, and support shaft 5 is jacked up by the up-down movement of top out structure 4, and top out structure 4 includes driving part and jacking part.

[0028] Driving part includes mounting plate 41 connected on the side wall of support frame main part 1, connecting plate 42 connected on the side wall of support frame main part 1, motor 43 connected in connecting plate 42, screw rod 44 connected on output end, jacking part connected on screw rod 44, jacking part includes nut 45 connected on screw rod 44, sliding block 46 connected on the outer wall of nut 45, sliding slot 47 slidably connected with sliding block 46 and being arranged on the inner wall of support frame main part 1, articulated rod 48 articulated on the upper end of nut 45, top plate 49 articulated with the top end of articulated rod 48, and support plate 410 is installed on top plate 49.

[0029] After the drill bit 2 is polished by the polishing machine 3, the staff needs to take the supporting shaft 5 out of the support frame body 1, the input end of the motor 43 is electrically connected with the output end of the external switch through wires, only needs to start the external switch, then starts the motor 43, so that the motor 43 drives the screw rod 44 to rotate, the screw rod 44 rotates on the mounting plate 41, drives two groups of screw nuts 45 to move towards each other, the two groups of screw nuts 45 slide in the sliding groove 47 through the sliding block 46, the two groups of screw nuts 45 move towards each other and extrude the articulated rod 48 to lift up, the articulated rod 48 extrudes the top plate 49 to lift up, the top plate 49 drives the supporting plate 410 to lift up, the supporting plate 410 lifts up the supporting shaft 5 from the slot of the support frame body 1, then the staff can easily take down the drill bit 2, and then take the supporting shaft 5 out of the drill bit 2;

[0030] It is worth noting that the outer wall of the screw rod 44 is symmetrically provided with two groups of external threads, and the two groups of external threads are arranged in opposite directions. This design allows the screw rod 44 to drive the two groups of 45 to move towards each other or in opposite directions when rotating.

[0031] The articulated rod 48 is symmetrically provided with four groups, each group of articulated rod 48 is in the shape of a waist circle, and the four groups of symmetrically arranged articulated rods 48 can provide greater stability and load-bearing capacity. The waist circle shape of each group of articulated rods 48 helps to evenly distribute the force, making the lifting structure more solid and durable.

[0032] The supporting plate 410 is provided with a U-shaped slot at the top end, which is in close contact with the supporting shaft 5. The U-shaped slot is designed to better adapt to and support the supporting shaft 5 of the hub. This design can ensure that the supporting shaft 5 does not slide or shift during the lifting process, improving the safety and reliability of the polishing tool. The U-shaped slot can also provide additional stability. When the hub is lifted, the supporting plate 410 can be more closely attached to the supporting shaft 5, preventing accidental movement of the hub during the removal of the drill bit 2.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present application still falls within the protection scope of the present application.

Claims

1. A grinding tool for a bicycle hub comprising a support frame body (1), characterized in that: The support frame body (1) is provided with a support shaft (5), the support shaft (5) is inserted into a drill bit (2), the drill bit (2) is polished by a polishing machine (3), the polishing machine (3) is arranged below the support frame body (1), the support frame body (1) is provided with an ejection structure (4) on the outer wall, and the top end of the ejection structure (4) is located below the support shaft (5). The ejection structure (4) is provided with a switch, the support shaft (5) is lifted by the up-down movement of the ejection structure (4), and the ejection structure (4) comprises a driving member and a lifting member.

2. A truing tool for a bicycle hub as defined in claim 1, wherein: The driving member comprises a mounting plate (41) connected to the side wall of the support frame body (1), a connecting plate (42) connected to the side wall of the support frame body (1), a motor (43) connected in the connecting plate (42), a lead screw (44) connected to the output end, and a lifting member connected to the lead screw (44).

3. A truing tool for a bicycle hub as defined in claim 2, wherein: The input end of the motor (43) is electrically connected to the output end of the external switch through wires.

4. A truing tool for a bicycle hub as defined in claim 2, wherein: The outer wall of the lead screw (44) is symmetrically provided with two groups of external threads, and the two groups of external threads are arranged in opposite directions.

5. A truing tool for a bicycle hub as defined in claim 4, wherein: The lifting member comprises a nut (45) threadedly connected to the lead screw (44), a sliding block (46) connected to the outer wall of the nut (45), a sliding groove (47) slidably connected with the sliding block (46) and arranged in the inner wall of the support frame body (1), a hinged rod (48) hinged to the upper end of the nut (45), a top plate (49) hinged to the top end of the hinged rod (48), and a support plate (410) mounted on the top plate (49).

6. A truing tool for a bicycle hub as defined in claim 5, wherein: The hinged rod (48) is symmetrically provided with four groups, and each group of the hinged rod (48) is in the shape of a waist circle.

7. A truing tool for a bicycle hub as defined in claim 5, wherein: The top end of the support plate (410) is provided with a U-shaped notch, and the U-shaped notch is attached to the support shaft (5).

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