CN207875271U - A kind of Elastic Carbon fiber bicycle rim and bicycle - Google Patents

Abstract

The utility model discloses a kind of Elastic Carbon fiber bicycle rim and bicycle, which includes：Rim body, it is made of carbon fiber, including outer wall, inner wall and the inside and outside two wall longitudinal elasticity support arm integrally connecteds of connection at work shape structure, the longitudinal elasticity support arm is a plurality of curved shape carbon fiber board being fixed between the outer wall and the inner wall, the radially inner side of the inner wall is provided with taper fixed station, the taper fixed station connects the first bolt, first bolt protrudes from the taper fixed station, first bolt is bolted by screwed pipe and second, and second bolt is connected to the wheel shaft of wheel rim by spoke；Drainage circle, is arranged on the wheel shaft.Elastic Carbon fiber bicycle rim can improve the damping effect and toughness of wheel rim, and reduce influence of the air drag to bicycle rim.

Description

A kind of Elastic Carbon fiber bicycle rim and bicycle

Technical field

The utility model is related to technical field of bicycles more particularly to a kind of Elastic Carbon fiber bicycle rim and voluntarily Vehicle.

Background technology

Bicycle is indispensable walking-replacing tool in people's daily life, with the very fast development of modern society, voluntarily Vehicle has been not only traffic and means of transport, has had the multiple functions such as body-building, tourism and contest.The height of bicycle class takes Certainly in the selection of material and workmanship.Typical basic, normal, high shelves Bicycle Frames are respectively by carbon steel, chrome molybdenum and aluminium alloy system It makes.And carbon fiber is a kind of novel composite material, it has the advantages that light-weight, intensity is high and rigidity is big, these advantages make It is increasingly used on bicycle.

Currently, the wheel rim made of carbon fiber is increasingly becoming the hot spot of research, wheel rim made of carbon fiber in the prior art The main annular hollow structure made of a upper wall, a lower wall connect with two side wall institute rings of left and right, and be arranged in middle vacancy and connect The supporting walls of upper lower wall and/or left and right wall, the impact force that use this structure suffered when being shaken, being hit with adapting to wheel rim.But It is that its damping effect is limited, if encountering steeper slope, wheel rim is likely to occur deformation.In ride, existing wheel rim by The resistance arrived is larger, can not better meet the demand of user.

Utility model content

The purpose of this utility model is that proposing a kind of Elastic Carbon fiber bicycle rim and bicycle, solves existing wheel The limited problem of damping effect is enclosed, the damping effect and toughness of wheel rim can be improved, and reduce air drag to bicycle rim Influence.

For this purpose, the utility model uses following technical scheme：

A kind of Elastic Carbon fiber bicycle rim, including：

Rim body is made of carbon fiber, including outer wall, inner wall and the inside and outside two wall longitudinal elasticities support arm one of connection Work shape structure is connected into, longitudinal elasticity support arm is a plurality of curved shape carbon fiber board being fixed between outer wall and inner wall, inner wall Radially inner side be provided with taper fixed station, taper fixed station connects the first bolt, and the first bolt protrudes from taper fixed station, the One bolt is bolted by screwed pipe and second, and the second bolt is connected to the wheel shaft of wheel rim by carbon fiber spoke；

Drainage circle, is arranged on wheel shaft.

As a kind of preferred embodiment of above-mentioned Elastic Carbon fiber bicycle rim, the arc of curvature of adjacent curve shape carbon fiber board It spends identical.

As a kind of preferred embodiment of above-mentioned Elastic Carbon fiber bicycle rim, drainage circle includes multiple discontinuous distributions Block is drained, drainage block is provided with transition cambered surface along the direction of travel of rim body.

As a kind of preferred embodiment of above-mentioned Elastic Carbon fiber bicycle rim, taper fixed station is set to curved shape carbon fiber Between dimension plate.

As a kind of preferred embodiment of above-mentioned Elastic Carbon fiber bicycle rim, rim body, taper fixed station and first Bolt is integrally formed.

As a kind of preferred embodiment of above-mentioned Elastic Carbon fiber bicycle rim, curved shape carbon fiber board and spoke include carbon The glass fiber material outer layer of fibrous material internal layer and wrap carbon fiber material inner layer.

A kind of bicycle, including above-mentioned Elastic Carbon fiber bicycle rim.The bicycle is by using curved shape carbon fiber Resilient support arms of the plate as wheel ring outer wall and inner wall are tieed up, the damping effect and toughness of wheel rim can be improved, and reduce air resistance Influence of the power to bicycle rim.

The beneficial effects of the utility model：

The utility model proposes Elastic Carbon fiber bicycle rim, by using curved shape carbon fiber board as wheel rim outside The resilient support arms of wall and inner wall can improve the damping effect and toughness of wheel rim；Curved shape carbon fiber board has crooked radian The setting of structure and drainage circle reduces influence of the air drag to bicycle rim；By taper fixed station by spoke and wheel rim Ontology connects, and without opening up spoke perforating on rim body, will not reduce the intensity of wheel rim, and convenient for disassembly and assembly.

Description of the drawings

Fig. 1 is the structural schematic diagram for the Elastic Carbon fiber bicycle rim that specific embodiment of the present invention provides；

Fig. 2 is the partial structural diagram for the rim body that specific embodiment of the present invention provides.

Wherein：

1, rim body；2, drainage circle；11, outer wall；12, inner wall；13, curved shape carbon fiber board；14, taper fixed station； 15, the first bolt；16, screwed pipe；17, the second bolt；18, spoke.

Specific implementation mode

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

Present embodiment provides a kind of Elastic Carbon fiber bicycle rim, and as depicted in figs. 1 and 2, Elastic Carbon fiber is voluntarily Wheel includes rim body 1 and drainage circle 2.

Specifically, as shown in Fig. 2, rim body 1 is made of carbon fiber, including outer wall 11, inner wall 12 and connection inside and outside two For wall longitudinal elasticity support arm integrally connected at work shape structure, the longitudinal elasticity support arm is to be fixed on the outer wall 11 and described A plurality of curved shape carbon fiber board 13 between inner wall 12, the quantity of the curved shape carbon fiber board 13 can have according to actual conditions Body is arranged, this uses curved shape carbon fiber board 13 that can be improved as the structure of the resilient support arms of wheel ring outer wall 11 and inner wall 12 The damping effect and toughness of wheel rim preferably support and buffer impact force suffered when wheel rim is shaken, hit；And it is preferred, The crooked radian of the adjacent curved shape carbon fiber board 13 is identical, which can reduce bicycle rim during traveling Air drag, to provide a determined power using lateral distinguished and admirable rotated forward to wheel rim.

The radially inner side of the inner wall 12 is provided with multiple taper fixed stations 14, and the taper fixed station 14 connects the first spiral shell Bolt 15, first bolt 15 protrude from the taper fixed station 14, and first bolt 15 passes through screwed pipe 16 and the second spiral shell Bolt 17 connects, and second bolt 17 is connected to the wheel shaft of wheel rim, first bolt 15 and second spiral shell by spoke 18 The rotation direction of thread of bolt 17 is identical, the structure convenient disassembly.Preferably, taper fixed station 14 is set to the curved shape carbon fiber Between dimension plate 13.

As shown in Figure 1, being provided with drainage circle 2 on the wheel shaft of Elastic Carbon fiber bicycle rim, drainage circle 2 may include more The drainage block of a discontinuous distribution, drainage block are provided with transition cambered surface along the direction of travel of the rim body 1.The structure can be with Reduce influence of the air drag to bicycle rim.

In the present embodiment, the rim body 1, the taper fixed station 14 and first bolt 15 are integrally formed, It is easy to process.

In the present embodiment, the curved shape carbon fiber board 13 and spoke 18 may include carbon fibre material internal layer, and The glass fiber material outer layer for wrapping up the carbon fibre material internal layer, can increase toughness, occur after effectivelying prevent excessive fatigue Slight crack increases service life.

Above-mentioned Elastic Carbon fiber bicycle rim, by using curved shape carbon fiber board 13 as wheel ring outer wall 11 and inner wall 12 resilient support arms can improve the damping effect and toughness of wheel rim；Curved shape carbon fiber board 13 has the structure of crooked radian Setting with drainage circle 2 reduces influence of the air drag to bicycle rim；It by spoke 18 and is taken turns by taper fixed station 14 It encloses ontology 1 to connect, without opening up spoke perforating on rim body 1, the intensity of wheel rim will not be reduced, and convenient for disassembly and assembly.

Present embodiment also provides a kind of bicycle, including above-mentioned Elastic Carbon fiber bicycle rim.The bicycle is logical The resilient support arms as wheel ring outer wall 11 and inner wall 12 using curved shape carbon fiber board 13 are crossed, the damping effect of wheel rim can be improved Fruit and toughness, and reduce influence of the air drag to bicycle rim.

Note that above are only the preferred embodiment of the utility model.It will be appreciated by those skilled in the art that the utility model is not It is limited to specific embodiment described here, various apparent variations can be carried out for a person skilled in the art, readjusted With replacement without departing from the scope of protection of the utility model.Therefore, although being carried out to the utility model by above example It is described in further detail, but the utility model is not limited only to above example, is not departing from the utility model design In the case of, can also include other more equivalent embodiments, and the scope of the utility model is determined by scope of the appended claims It is fixed.

Claims (7)

1. a kind of Elastic Carbon fiber bicycle rim, which is characterized in that including：

Rim body (1), is made of carbon fiber, including outer wall (11), inner wall (12) and the inside and outside two wall longitudinal elasticity branch of connection Brace integrally connected at work shape structure, the longitudinal elasticity support arm be fixed on the outer wall (11) and the inner wall (12) it Between a plurality of curved shape carbon fiber board (13), the radially inner side of the inner wall (12) is provided with taper fixed station (14), the cone Shape fixed station (14) connects the first bolt (15), and first bolt (15) protrudes from the taper fixed station (14), and described the One bolt (15) is connect by screwed pipe (16) with the second bolt (17), and second bolt (17) is connected to by spoke (18) The wheel shaft of wheel rim；

Drainage circle (2) is arranged on the wheel shaft.

2. Elastic Carbon fiber bicycle rim according to claim 1, which is characterized in that the adjacent curved shape carbon fiber The crooked radian of plate (13) is identical.

3. Elastic Carbon fiber bicycle rim according to claim 1, which is characterized in that the drainage circle (2) includes more The drainage block of a discontinuous distribution, the drainage block are provided with transition cambered surface along the direction of travel of the rim body (1).

4. Elastic Carbon fiber bicycle rim according to claim 1, which is characterized in that the taper fixed station (14) sets It is placed between the curved shape carbon fiber board (13).

5. Elastic Carbon fiber bicycle rim according to claim 1, which is characterized in that the rim body (1), described Taper fixed station (14) and first bolt (15) are integrally formed.

6. Elastic Carbon fiber bicycle rim according to claim 1, which is characterized in that the curved shape carbon fiber board (13) and the spoke (18) includes carbon fibre material internal layer, and wraps up the glass fiber material of the carbon fibre material internal layer Outer layer.

7. a kind of bicycle, which is characterized in that including the Elastic Carbon fiber bicycle quick described in any one of claim 1-6 Circle.