Anti-deformation mountain bike hollow shaft

Abstract

According to the technical scheme, the anti-deformation mountain bike hollow shaft comprises a main shaft and an inner shaft body, bearings are installed on the two sides of the interior of the inner shaft body, the main shaft is installed on the inner surfaces of the bearings, an alloy pipe is installed on the inner surface of the main shaft through a clamping groove, and a carbon fiber supporting frame is installed on the inner surface of the alloy pipe through an inserting groove. A reinforcing rib A is installed in the middle of the interior of the carbon fiber supporting frame, a carbon fiber ring is installed on the outer surface of the inner shaft body, an outer shaft body is installed on the outer surface of the carbon fiber ring, the carbon fiber ring is in interference fit with the inner shaft body and the outer shaft body, and positioning pins are installed on the two sides of the top and the two sides of the bottom of the outer shaft body. The anti-deformation hollow shaft of the mountain bike solves the problems that an existing hollow shaft of the mountain bike is integrally made of materials, the hollow shaft cannot be supported in a reinforced mode, the hollow shaft is prone to deformation in the using process of the mountain bike, and normal use of the mountain bike is affected, the deformation probability of the hollow shaft is reduced, and therefore the service life of the hollow shaft is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to mountain bike bicycle use technical field, concretely is a kind of anti-deformation's mountain bike hollow shaft. BACKGROUND

[0002] Mountain bike is a kind of specially designed for riding in rugged mountain, cross-country and outdoor environment Bicycle, the frame of mountain bike is usually designed solid and durable, to cope with the challenge of bump, vibration and uneven road. Common materials include aluminum alloy, carbon fiber and steel, mountain bike is usually equipped with wide tire and mountain bike tire with strong grip, to provide better grip and stability, adapt to complex road conditions, the design of mountain bike aims to provide excellent performance and control for rider in rugged mountain and cross-country environment, so that it can cope with various challenges and enjoy the fun of outdoor cycling, the hollow shaft of mountain bike needs fine customization.

[0003] The hollow shaft of existing mountain bike is made of material as a whole, cannot strengthen support to hollow shaft, hollow shaft is easily deformed in the use process of mountain bike, affect normal use of mountain bike, for this purpose, we propose a kind of anti-deformation's mountain bike hollow shaft. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of anti-deformation's mountain bike hollow shaft, with the effect of high-strength support to hollow shaft, to solve the problem that the hollow shaft of existing mountain bike is made of material as a whole, cannot strengthen support to hollow shaft, hollow shaft is easily deformed in the use process of mountain bike, affect normal use of mountain bike.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of anti-deformation's mountain bike hollow shaft, including spindle and inner shaft body, wherein the inner shaft body inside both sides are equipped with bearing, the inner surface of bearing is equipped with spindle, the inner surface of spindle is equipped with alloy pipe by clamping groove, the inner surface of alloy pipe is equipped with carbon fiber support frame by insertion slot, reinforcing rib A is installed in the inside middle of carbon fiber support frame.

[0006] Preferably, the carbon fiber support frame is cross-shaped, and reinforcing rib B is installed at the four corner positions inside the carbon fiber support frame.

[0007] Preferably, reinforcing ring is installed at the middle gap position of the carbon fiber support frame, and the four reinforcing rings are annularly arranged.

[0008] Preferably, buckle is arranged on the outer surface of the alloy pipe at the clamping groove position, and the buckle is clamped in the clamping groove.

[0009] Preferably, the inner shaft body is provided with a carbon fiber ring on the outer surface, the carbon fiber ring is provided with an outer shaft body on the outer surface, and the carbon fiber ring is in interference fit with the inner shaft body and the outer shaft body.

[0010] Preferably, the outer shaft body is provided with positioning pins on both sides of the top and the bottom, the positioning pins are clamped in the outer shaft body, the carbon fiber ring and the inner shaft body, the outer surface of the inner shaft body is provided with a positioning groove at the position of the positioning pin, and the positioning pin is clamped in the positioning groove.

[0011] Preferably, the outer shaft body is provided with side bowls on both sides, the inner surfaces of the side bowls are provided with dismounting grooves, and the inner surface of the side bowl is provided with a sealing ring.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、The utility model discloses a hollow shaft is provided with main shaft, alloy pipe and carbon fiber support frame, reaches the effect of high -strength support to hollow shaft, is provided with main shaft on the inner surface of bearing, is provided with alloy pipe through the clamping groove on the inner surface of main shaft, is provided with carbon fiber support frame through the insertion groove on the inner surface of alloy pipe, is provided with reinforcing rib A in the inside middle portion of carbon fiber support frame, to solve the hollow shaft of existing mountain bike and adopt material whole making, can not strengthen support to hollow shaft, hollow shaft is easy to deform in the mountain bike use process, influence normal use of mountain bike's problem, reduced the deformation probability of hollow shaft, thereby improved the service life of hollow shaft.

[0014] 2、The utility model discloses a hollow shaft is provided with reinforcing ring, reinforcing rib A and reinforcing rib B, reaches the effect of strengthening to carbon fiber support frame, is provided with reinforcing ring at the middle gap position of carbon fiber support frame, and carbon fiber support frame is cross -shaped and is provided with reinforcing rib B at four corner positions in the inside of carbon fiber support frame, to solve the strength of existing carbon fiber support frame is low, and the support effect is poor, and the support effect of alloy pipe is poor's problem, improved the support effect of carbon fiber support frame, thereby improved the support effect of alloy pipe.

[0015] 3、The utility model discloses a hollow shaft is provided with outer shaft body, positioning pin, carbon fiber ring and inner shaft body, reaches the effect of strengthening support to hollow shaft, is provided with carbon fiber ring on the outer surface of inner shaft body, is provided with outer shaft body on the outer surface of carbon fiber ring, and carbon fiber ring is in interference fit with the inner shaft body and the outer shaft body, and is provided with positioning pin on both sides of the top and the bottom of outer shaft body, and the positioning pin is clamped in the outer shaft body, the carbon fiber ring and the inner shaft body, and the outer surface of the inner shaft body is provided with a positioning groove at the position of the positioning pin, and the positioning pin is clamped in the positioning groove, to solve the outer ring strength of existing hollow shaft is low, and the outer ring is easy to deform in the use process, influence normal use of hollow shaft's problem, reduced the deformation probability of hollow shaft outer ring, thereby improved the service life of hollow shaft. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the front view structural schematic diagram of the utility model;

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

[0018] Figure 3 It is Figure 2 It is the enlarged structural schematic diagram of the middle A;

[0019] Figure 4 It is the side view structural schematic diagram of the main shaft of the utility model.

[0020] Reference signs: 1, side bowl; 2, outer shaft body; 3, positioning pin; 4, dismounting groove; 5, main shaft; 6, inner shaft body; 7, sealing ring; 8, carbon fiber ring; 9, positioning groove; 10, reinforcing rib A; 11, clamping groove; 12, alloy pipe; 13, buckle; 14, carbon fiber support frame; 15, reinforcing rib B; 16, reinforcing ring; 17, insertion groove; 18, bearing. DETAILED DESCRIPTION

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

[0022] Embodiment one

[0023] As Figure 1 , Figure 2 and Figure 4 To achieve the above object, the utility model provides the following technical scheme: an anti-deformation mountain bike hollow shaft, which comprises a main shaft 5 and an inner shaft body 6, the inner shaft body 6 is internally provided with bearings 18 on both sides, the inner surface of the bearing 18 is provided with the main shaft 5, the inner surface of the main shaft 5 is provided with an alloy pipe 12 through a clamping groove 11, the inner surface of the alloy pipe 12 is provided with a carbon fiber support frame 14 through an insertion groove 17, the carbon fiber support frame 14 is internally provided with a reinforcing rib A 10, the carbon fiber support frame 14 is arranged in a cross shape, the carbon fiber support frame 14 arranged in a cross shape supports the alloy pipe 12, the carbon fiber support frame 14 is internally provided with a reinforcing rib B 15 at four corner positions, the carbon fiber support frame 14 is internally provided with a reinforcing ring 16 at a middle gap position, the four reinforcing rings 16 are arranged in a ring shape, the supporting strength of the carbon fiber support frame 14 is improved, the alloy pipe 12 is provided with a buckle 13 at the position of the clamping groove 11, the buckle 13 is clamped in the clamping groove 11, and the alloy pipe 12 is positioned and fixed through the buckle 13 and the clamping groove 11.

[0024] The working principle of the anti-deformation hollow shaft of the mountain bike based on the embodiment 1 is that: after the utility model is installed and the pedals are installed on both ends of the main shaft 5, the utility model can be used, the alloy pipe 12 is arranged to strengthen and support the main shaft 5, the carbon fiber support frame 14 is arranged to strengthen and support the alloy pipe 12, the reinforcing rib A 10 and the reinforcing rib B 15 are arranged to improve the strength of the carbon fiber support frame 14, thereby improving the overall strength of the utility model, and the working process of the device is completed.

[0025] Embodiment two

[0026] As Figures 1-3 shown, the anti-deformation hollow shaft of the mountain bike further comprises: the carbon fiber ring 8 is installed on the outer surface of the inner shaft body 6, the outer shaft body 2 is installed on the outer surface of the carbon fiber ring 8, the carbon fiber ring 8 is in interference fit with the inner shaft body 6 and the outer shaft body 2, the positioning pin 3 is installed on the top and the bottom of the outer shaft body 2, the positioning pin 3 is clamped in the outer shaft body 2, the carbon fiber ring 8 and the inner shaft body 6, the positioning groove 9 is arranged on the outer surface of the inner shaft body 6 at the position of the positioning pin 3, the positioning pin 3 is clamped in the positioning groove 9, the side bowl 1 is installed on both sides of the outer shaft body 2, the dismounting groove 4 is arranged on the inner surface of the side bowl 1, and the sealing ring 7 is installed in the side bowl 1.

[0027] In the embodiment, the carbon fiber ring 8, the outer shaft body 2 and the inner shaft body 6 are connected as a whole through the positioning pin 3, the use strength of the utility model is improved through the arrangement of the carbon fiber ring 8 and the outer shaft body 2, the use strength of the utility model is improved, the utility model is installed in the frame, the utility model is fixed through the side bowl 1, and the utility model can be used.

[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 on the above specific embodiments.

Claims

1. A deformation-resistant mountain bike hollow axle comprising a main shaft (5) and an inner shaft body (6), characterized in that: The inner shaft body (6) is internally provided with bearings (18) on both sides, the inner surface of the bearing (18) is provided with a main shaft (5), the inner surface of the main shaft (5) is provided with an alloy pipe (12) through a clamping groove (11), the inner surface of the alloy pipe (12) is provided with a carbon fiber support frame (14) through an insertion groove (17), and the carbon fiber support frame (14) is internally provided with a reinforcing rib A (10) in the middle.

2. The deformation-resistant mountain bike hollow axle of claim 1, wherein: The carbon fiber support frame (14) is arranged in a cross shape, and the carbon fiber support frame (14) is internally provided with a reinforcing rib B (15) at four corner positions.

3. The deformation-resistant mountain bike hollow axle of claim 1, wherein: The carbon fiber support frame (14) is internally provided with a reinforcing ring (16) at the middle gap position, and four reinforcing rings (16) are arranged in a ring shape.

4. The deformation-resistant mountain bike hollow axle of claim 1, wherein: The outer surface of the alloy pipe (12) is provided with a buckle (13) at the position of the clamping groove (11), and the buckle (13) is clamped in the inner surface of the clamping groove (11).

5. The deformation-resistant mountain bike hollow axle of claim 1, wherein: The outer surface of the inner shaft body (6) is provided with a carbon fiber ring (8), the outer surface of the carbon fiber ring (8) is provided with an outer shaft body (2), and the carbon fiber ring (8) is in interference fit with the inner shaft body (6) and the outer shaft body (2) respectively.

6. A deformation-resistant mountain bike hollow axle as defined in claim 5, wherein: The outer surface of the inner shaft body (6) is provided with a carbon fiber ring (8), the outer surface of the carbon fiber ring (8) is provided with an outer shaft body (2), and the carbon fiber ring (8) is in interference fit with the inner shaft body (6) and the outer shaft body (2) respectively.

7. The deformation-resistant mountain bike hollow axle of claim 5, wherein: The outer surface of the inner shaft body (6) is provided with a carbon fiber ring (8), the outer surface of the carbon fiber ring (8) is provided with an outer shaft body (2), and the carbon fiber ring (8) is in interference fit with the inner shaft body (6) and the outer shaft body (2) respectively. The outer surface of the inner shaft body (6) is provided with a carbon fiber ring (8), the outer surface of the carbon fiber ring (8) is provided with an outer shaft body (2), and the carbon fiber ring (8) is in interference fit with the inner shaft body (6) and the outer shaft body (2) respectively.

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