Bending-resistant hollow shaft

Abstract

According to the technical scheme, the anti-bending hollow shaft comprises a shaft body, a main shaft and a reinforcing column, an inner ring is installed on the inner surface of the shaft body, bearings are installed on the two sides of the interior of the inner ring, the main shaft is installed in the middle of the inner surfaces of the bearings, and a reinforcing ring is installed on the inner surface of the main shaft; reinforcing columns are installed on the positions, located on the inner surfaces of the reinforcing rings, in the main shaft, side bowls are installed on the two sides of the outer surface of the shaft body, sealing rings are installed in the middles of the interiors of the side bowls, oil storage chambers are arranged in the middles of the interiors of the sealing rings, disassembling and assembling bosses are installed on the outer surfaces of the side bowls, and connecting tables are installed on the adjacent sides of the side bowls. According to the bending-resistant hollow shaft, the problems that an existing bicycle hollow shaft is integrally arranged, the weight is relatively heavy, the self strength is low, the hollow shaft is prone to bending deformation under the influence of high-strength loads, and normal riding of a bicycle is affected are solved, the bending deformation probability of the hollow shaft is reduced, and therefore normal riding of the bicycle is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hollow axle use technical field of bicycle, concretely is a hollow axle of anti bending. BACKGROUND

[0002] A bicycle is a human-powered vehicle consisting of two wheels, a frame, a seat, a pair of pedals, and a handlebar. It is a popular mode of transportation and leisure activity, and the design and equipment of the transmission system of the same type of bicycle are adjusted according to its main purpose and characteristics to provide the best performance and riding experience. Choosing the right type of transmission system can improve the efficiency and comfort of riding, and the bicycle is a simple, environmentally friendly and healthy means of transportation suitable for various scenarios such as urban commuting, leisure riding, and sports exercise. Its flexibility and convenience make it one of the most common transportation options in people's lives, and the hollow shaft needs to be used on the bicycle.

[0003] The existing hollow shaft of the bicycle is integrally arranged, which is relatively heavy in weight and has low strength, and is easily bent and deformed under high load, affecting the normal riding of the bicycle. Therefore, we propose a hollow shaft with anti-bending performance. INVENTION CONTENTS

[0004] The utility model discloses a hollow shaft with anti-bending performance, which has the effect of anti-bending performance, to solve the problem that the existing hollow shaft of the bicycle is integrally arranged, which is relatively heavy in weight and has low strength, and is easily bent and deformed under high load, affecting the normal riding of the bicycle.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hollow shaft with anti-bending performance, comprising a shaft body, a main shaft and a reinforcing column, wherein the inner surface of the shaft body is provided with an inner ring, the inner ring is provided with a bearing on both sides, the inner surface of the bearing is provided with a main shaft in the middle, the inner surface of the main shaft is provided with a reinforcing ring, and the inner surface of the reinforcing ring is provided with a reinforcing column.

[0006] Preferably, the reinforcing ring is arranged in a spiral, and the reinforcing ring and the reinforcing column are in interference fit.

[0007] Preferably, the inner surface of the shaft body is provided with a weight-reducing groove in the middle, the weight-reducing groove is provided with a support frame inside, and the support frame is arranged in a cross shape.

[0008] Preferably, the outer surface of the shaft body is provided with a side bowl on both sides, the inner surface of the side bowl is provided with a sealing ring in the middle, the inner surface of the sealing ring is provided with an oil storage chamber in the middle, and the oil storage chamber is filled with hydraulic oil.

[0009] Preferably, the side bowl is provided with a buckle on the side close to the sealing ring, and the buckle is clamped in the inner surface of the sealing ring.

[0010] Preferably, the side bowl outer surface is provided with a dismounting boss, and the side bowl is provided with a connecting platform on each adjacent side.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a hollow shaft of bicycle, which comprises a hollow shaft body, a main shaft, a reinforcing column and a reinforcing ring, wherein the main shaft is arranged in the middle of the inner surface of the hollow shaft body, the reinforcing ring is arranged on the inner surface of the main shaft, and the reinforcing column is arranged in the main shaft and located on the inner surface of the reinforcing ring.

[0013] 2、The utility model discloses a hollow shaft of bicycle, which comprises a hollow shaft body, a buckle, a sealing ring and an oil storage chamber, wherein the sealing ring is arranged in the middle of the inner surface of the hollow shaft body, the oil storage chamber is arranged in the middle of the inner surface of the sealing ring, the oil storage chamber is filled with hydraulic oil, and the buckle is arranged on one side of the hollow shaft body close to the sealing ring.

[0014] 3、The utility model discloses a hollow shaft of bicycle, which comprises a hollow shaft body, a supporting frame and a weight reduction groove, wherein the weight reduction groove is arranged in the middle of the inner surface of the hollow shaft body, and the supporting frame is arranged in the weight reduction groove and arranged in a cross shape. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0017] Figure 3 It is a sectional view structural schematic diagram of the utility model; Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0018] Figure 4 It is a sectional view structural schematic diagram of the utility model; Figure 2 It is a sectional view structural schematic diagram of the utility model;

[0019] Figure 5 It is a sectional view structural schematic diagram of the utility model; Figure 2 It is a sectional view structural schematic diagram of the utility model.

[0020] Fig. 1 is a shaft body; 2 is a connecting table; 3 is a main shaft; 4 is a side bowl; 5 is a disassembly boss; 6 is a reinforcing column; 7 is a bearing; 8 is an inner ring; 9 is a buckle; 10 is an oil storage chamber; 11 is a sealing ring; 12 is a weight reduction groove; 13 is a support frame; 14 is a reinforcing ring. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0022] Embodiment one

[0023] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , in order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-bending hollow shaft, comprising a shaft body 1, a main shaft 3 and a reinforcing column 6, the inner surface of the shaft body 1 is provided with an inner ring 8, the inner sides of the inner ring 8 are both provided with a bearing 7, the inner surface of the bearing 7 is provided with a main shaft 3 in the middle, the inner surface of the main shaft 3 is provided with a reinforcing ring 14, the inner surface of the reinforcing ring 14 is provided with a reinforcing column 6 inside the main shaft 3, the reinforcing ring 14 is arranged in a spiral, the reinforcing ring 14 is in interference fit with the reinforcing column 6, the middle of the inner part of the shaft body 1 is provided with a weight reduction groove 12, the weight of the shaft body 1 is reduced, the inner part of the weight reduction groove 12 is provided with a support frame 13, the support frame 13 is arranged in a cross, the shaft body 1 is supported through the support frame 13, so as to improve the strength of the shaft body 1.

[0024] The working principle of the anti-bending hollow shaft based on embodiment 1 is that after the utility model is installed, when in use, the shaft body 1 is supported through the inner ring 8, that is, the main shaft 3 is stably supported through the bearing 7, then the main shaft 3 is conveniently and stably rotated, at the same time, the main shaft 3 is supported through the reinforcing ring 14 arranged and the main shaft 3 is supported through the reinforcing column 6, so as to reduce the bending probability of the main shaft 3, thereby improving the service life of the utility model, and thus the equipment working process is completed.

[0025] Embodiment two

[0026] As shown in Figure 2 and Figure 3 , the utility model discloses an anti-bending hollow shaft, compared with embodiment one, the embodiment further comprises: the outer surface of the shaft body 1 is provided with a side bowl 4 on both sides, the inner part of the side bowl 4 is provided with a sealing ring 11, the inner part of the sealing ring 11 is provided with an oil storage chamber 10, the oil storage chamber 10 is filled with hydraulic oil, the side bowl 4 is provided with a buckle 9 on the side close to the sealing ring 11, the buckle 9 is clamped in the inner part of the sealing ring 11 and presses the sealing ring 11, the outer surface of the side bowl 4 is provided with a disassembly boss 5, and the adjacent side of the side bowl 4 is provided with a connecting table 2.

[0027] In use, the side bowl 4 is fixed by the connecting table 2, the shaft body 1 is fixed by the side bowl 4, the sealing ring 11 is extruded by the buckle 9, the hydraulic oil in the sealing ring 11 is extruded, the sealing ring 11 is tightly pressed on the outer surface of the main shaft 3, and the main shaft 3 is sealed by the sealing ring 11.

[0028] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A kink-resistant hollow shaft comprising a shaft body (1), a main shaft (3) and a reinforcing column (6), characterized in that: The inner surface of the shaft body (1) is provided with an inner ring (8), both sides of the inner ring (8) are provided with bearings (7), the inner surface of the bearing (7) is provided with a main shaft (3) in the middle, the inner surface of the main shaft (3) is provided with a reinforcing ring (14), and the inner surface of the reinforcing ring (14) is provided with a reinforcing column (6).

2. A kink-resistant, hollow shaft as defined in claim 1, wherein: The reinforcing ring (14) is spirally arranged, and the reinforcing ring (14) is in interference fit with the reinforcing column (6).

3. The kink-resistant, hollow shaft of claim 1, wherein: The inner surface of the shaft body (1) is provided with a weight reduction groove (12) in the middle, the weight reduction groove (12) is provided with a support frame (13) inside, and the support frame (13) is cross-shaped.

4. The kink-resistant, hollow shaft of claim 1, wherein: The outer surface of the shaft body (1) is provided with a side bowl (4) on both sides, the inner surface of the side bowl (4) is provided with a sealing ring (11) in the middle, the inner surface of the sealing ring (11) is provided with an oil storage chamber (10) in the middle, and the oil storage chamber (10) is filled with hydraulic oil.

5. A kink-resistant, hollow shaft according to claim 4, wherein: The side bowl (4) is provided with a buckle (9) on the side close to the sealing ring (11), and the buckle (9) is clamped in the inner surface of the sealing ring (11).

6. A kink-resistant, hollow shaft according to claim 4, wherein: The outer surface of the side bowl (4) is provided with a dismounting boss (5), and the adjacent side of the side bowl (4) is provided with a connecting table (2).

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