Improved universal carbon fiber bicycle spoke

Abstract

The utility model discloses an improved general carbon fiber bicycle spoke, which is characterized by comprising a short metal spoke, a connecting end part, a carbon fiber spoke rod and an external thread part, the two ends of the carbon fiber spoke rod are respectively inserted into the connecting end part and the external thread part, and the connecting end part and the external thread part are both provided with internal threads; according to the carbon fiber bicycle spoke, the short metal spokes are used at one end, so that the carbon fiber bicycle spoke can be compatible with a universal bicycle hub, the connection end and the internal threads of the external thread end enable the carbon fiber bicycle spoke to be bonded with a carbon fiber spoke rod more firmly, and light weight of a bicycle wheel set can be achieved through carbon fibers.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle accessories, in particular to an improved universal carbon fiber bicycle spoke. Background Art

[0002] Bicycle spokes are often used in the assembly process of bicycle wheels. Conventional bicycle spokes are mostly made of metal and are heavy, and other carbon fiber bicycle spokes on the market mostly require specially designed hubs and have complex production processes. To solve such problems, the applicant has improved the carbon fiber bicycle spokes in the prior art to make them compatible with universal bicycle hubs, making production easier and effectively reducing the weight of the bicycle wheel set. Utility Model Content

[0003] In view of this, the utility model provides an improved universal carbon fiber bicycle spoke.

[0004] The utility model adopts the following timely solution: an improved universal carbon fiber bicycle spoke, whose structure includes a short metal spoke, a connecting end, a carbon fiber spoke rod, and an external threaded portion, wherein the short metal spoke is inserted into the connecting end, and the two ends of the carbon fiber spoke rod are respectively inserted into the connecting end and the external threaded portion.

[0005] The limiting end of the short metal spoke is used to be fixed on the bicycle hub, and the threaded end is used to be screwed into the connecting end.

[0006] The connecting end is hollow in design, and its axial hole has an internal thread. The axial hole at the thick end of the connecting end is used to insert a short metal spoke, and the axial hole at the thin end of the connecting end is used to insert a carbon fiber spoke rod. The transition surface of the connecting end is inclined from the inner annular surface to the outer annular surface.

[0007] The carbon fiber spoke rod is of solid design, with both ends inserted into the axial holes of the connecting end portion and the external threaded portion and fixed by resin bonding.

[0008] The external threaded part is hollow in design, and its axial hole has internal threads. The axial hole of the external threaded part is used to insert the carbon fiber spoke rod, one end of which is provided with external threads, and the other end is provided with a fixed end with a square cross-section.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: a short metal spoke is used at one end of an improved universal carbon fiber bicycle spoke of the present invention so that the entire carbon spoke bicycle spoke can be compatible with a universal bicycle hub; the connecting end and the external threaded part both have internal threads, which can improve the bonding strength with the carbon fiber spoke rod and is more convenient to manufacture; the use of a carbon fiber spoke rod in the middle can effectively reduce the weight of the entire bicycle spoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1The utility model is a schematic diagram of an improved universal carbon fiber bicycle spoke assembly.

[0011] Figure 2 The utility model is a three-dimensional exploded schematic diagram of an improved universal carbon fiber bicycle spoke.

[0012] Figure 3 This is a front view of a short metal spoke of an improved universal carbon fiber bicycle spoke according to the present invention.

[0013] Figure 4 This is a cross-sectional view of the connection end of an improved universal carbon fiber bicycle spoke of the present invention.

[0014] Figure 5 The utility model is a cross-sectional view of the external threaded portion of an improved universal carbon fiber bicycle spoke.

[0015] In the picture: 1. Short metal spokes, 2. Connecting end, 3. Carbon fiber spoke rod, 4. External thread,

[0016] 3-1, short metal spoke limit end,

[0017] 3-2, short metal spoke threaded end,

[0018] 4-1. Connect the internal thread of the end.

[0019] 4-2. Connection end transition surface,

[0020] 5-1, External thread part External thread end,

[0021] 5-2, fixed end of external thread part,

[0022] 5-3. Internal thread at thread end. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0024] The present invention is described in further detail below with reference to the accompanying drawings:

[0025] See also Figures 1 to 5 As shown, it shows an improved universal carbon fiber bicycle spoke according to the utility model, comprising a short metal spoke (1), a connecting end (2), a carbon fiber spoke rod (3), and an external threaded portion (4), wherein:

[0026] The short metal spoke (1) is made of metal material, the short metal spoke limiting end (3-1) is used to be fixed on the bicycle hub, and the short metal spoke threaded end (3-2) is used to be screwed into the connecting end (2).

[0027] The connecting end portion (2) is made of metal material, has an integrally formed hollow design, has an inner shaft hole with an internal connecting end thread (4-1), a thick end is used for docking with the short metal spoke (1), and a thin end is used for inserting into the carbon fiber spoke rod (2), and has a connecting end transition surface (4-2) facing the edge of the carbon fiber spoke rod (2).

[0028] The carbon fiber spoke rod (3) is solid in design and is integrally formed from a carbon fiber material, with both ends respectively inserted into the connecting end portion (2) and the external threaded portion (4).

[0029] The external threaded portion (4) is made of metal and has a hollow design, and is used to insert the carbon fiber spoke rod (3). The external threaded portion (4) is integrally formed into an external threaded end (5-1) and an external threaded fixed end (5-2), and its inner shaft hole has an internal threaded end (5-3).

[0030] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An improved universal carbon fiber bicycle spoke, comprising a short metal spoke, a connecting end, a carbon fiber spoke rod, and an external threaded portion, characterized in that: The short metal spoke is screwed into the connecting end portion, the connecting end portion and the external thread portion are respectively installed at two ends of the carbon fiber spoke rod, and the two ends of the carbon fiber spoke rod are respectively inserted into the connecting end portion and the external thread portion.

2. The improved universal carbon fiber bicycle spoke according to claim 1, characterized in that: One end of the short metal spoke is provided with a thread for being screwed into the connecting end portion.

3. The improved universal carbon fiber bicycle spoke according to claim 1, characterized in that: The connecting end is hollow in design and has internal threads at both ends. The axial hole at the thick end of the connecting end is used to insert the short metal spoke, and the axial hole at the thin end of the connecting end is used to insert the carbon fiber spoke rod. The transition surface of the connecting end is inclined from the inner annular surface to the outer annular surface.

4. The improved universal carbon fiber bicycle spoke according to claim 1, characterized in that: The carbon fiber spoke rod is of solid design, with both ends inserted into the connecting end and the shaft hole of the external thread and fixed by resin bonding.

5. The improved universal carbon fiber bicycle spoke according to claim 1, characterized in that: The external threaded part is hollow in design and has internal threads at both ends. The axial hole of the external threaded part is used to insert the carbon fiber spoke rod. One end is provided with an external threaded end of the external threaded part, and the other end is provided with a threaded fixed end with a square cross-section.

Images