阅读说明：本技术 一种变速齿盘 (Speed-changing fluted disc ) 是由 何光荣 许开明 于 2018-06-28 设计创作，主要内容包括：一种变速齿盘,设置有一号盘、二号盘和三号盘,其特征在于：一号盘一侧设有二号盘,二号盘一侧设有三号盘,在一号盘、二号盘和三号盘的轴心位置焊接有连接圈,在连接圈的内侧嵌入橡胶圈,在橡胶圈上设有连接齿,所述的连接齿为锯齿状结构,在三号盘上设有限位装置,限位装置包括限位孔和限位橡胶垫,限位孔外围熔接限位橡胶垫,在变速齿盘上设置有连接圈,能够便于变速齿盘与曲柄进行连接,在齿盘上设置有限位装置,防止齿盘的位置太靠近曲柄,可以避免曲柄摩擦掉齿盘,保证了齿盘的稳定运行。(The utility model provides a variable speed fluted disc is provided with a dish, No. two dishes and No. three dishes, its characterized in that: one side of the first plate is provided with the second plate, one side of the second plate is provided with the third plate, a connecting ring is welded at the axle center position of the first plate, the second plate and the third plate, a rubber ring is embedded in the inner side of the connecting ring, a connecting tooth is arranged on the rubber ring and is of a zigzag structure, a limiting device is arranged on the third plate and comprises a limiting hole and a limiting rubber pad, the limiting rubber pad is welded on the periphery of the limiting hole, the connecting ring is arranged on the variable-speed fluted disc, the variable-speed fluted disc can be connected with a crank conveniently, the limiting device is arranged on the fluted disc, the position of the fluted disc is prevented from being too close to the crank, the fluted disc can be prevented from being rubbed and falling, and the stable operation.)

1. The utility model provides a variable speed fluted disc is provided with a dish, No. two dishes and No. three dishes, its characterized in that: a dish one side is equipped with No. two dishes, and No. two dish one side is equipped with No. three dishes, has the clamping ring in the axle center position welding of a dish, No. two dishes and No. three dishes, at the inboard embedding rubber circle of clamping ring, is equipped with the connection tooth on the rubber circle, the connection tooth be serration structure, be equipped with stop device on No. three dishes, stop device includes spacing hole and spacing rubber pad, the spacing rubber pad of spacing peripheral butt fusion in hole, spacing rubber pad sets up and is provided with the cross welding strip in the inboard of spacing rubber pad along the periphery in spacing hole, sets for the position hole in the stop device outside, the locating hole is three horn shapes hollow holes.

2. The variable speed chainring of claim 1, wherein: the limiting rubber gasket is of an open structure, and the side edge of the limiting rubber gasket is provided with a spiral fastening hole.

3. The variable speed chainring of claim 2, wherein: the T-shaped pin is connected in the spiral fastening hole, and the rotating end is arranged outside the T-shaped pin.

4. The variable speed chainring of claim 3, wherein: the rotating end of the T-shaped pin is provided with a boss, and a straight knife edge is arranged on the boss.

Technical Field

The invention relates to a fluted disc, in particular to a variable speed fluted disc.

Background

Use many spare parts on the bicycle, these spare parts have toothed plate and crank, especially can use the fluted disc in the pedal position of bicycle, and the fluted disc can drive the chain and carry, can drive the bicycle and move forward like this, can let the fluted disc play the effect of speed governing, adjusts according to the road conditions of difference, but a lot of fluted discs are not very convenient with the crank joint when using, easily appear the condition of displacement.

Disclosure of Invention

The invention aims to provide a variable-speed fluted disc which is reasonable in structure and convenient to connect and fix.

The technical scheme of the invention is as follows: the utility model provides a variable speed fluted disc, is provided with a dish, No. two dishes and No. three dishes, and a dish one side is equipped with No. two dishes, and No. two dishes one side is equipped with No. three dishes, has the clamping ring in the axle center position welding of a dish, No. two dishes and No. three dishes, at the inboard embedding rubber circle of clamping ring, is equipped with the connection tooth on the rubber circle, the connection tooth be serration structure, be equipped with stop device on No. three dishes, stop device includes spacing hole and spacing rubber pad, the peripheral butt fusion of spacing hole spacing rubber pad, spacing rubber pad sets up and is provided with the cross welding strip in the inboard of spacing rubber pad along the periphery in spacing hole, sets for the locating hole in the stop device outside, and the locating hole is three horn shapes hollow holes.

The limiting rubber gasket is of an open structure, and the side edge of the limiting rubber gasket is provided with a spiral fastening hole.

The T-shaped pin is connected in the spiral fastening hole, and the rotating end is arranged outside the T-shaped pin.

The rotating end of the T-shaped pin is provided with a boss, and a straight knife edge is arranged on the boss.

The invention has the advantages that: the connecting ring is arranged on the variable-speed fluted disc, so that the variable-speed fluted disc can be connected with the crank conveniently, the limiting device is arranged on the fluted disc, the position of the fluted disc is prevented from being too close to the crank, the fluted disc can be prevented from being rubbed by the crank, and the stable operation of the fluted disc is ensured.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of a third embodiment of the present invention.

FIG. 3 is a partial schematic view of the present invention.

Fig. 4 is a partial enlarged view of the present invention.

In the figure: the utility model provides a 1 is a number one dish, 2 is a number two dish, 3 is a number three dish, 4 are the clamping ring, 5 are the rubber circle, 6 are the engaging tooth, 7 are spacing hole, 8 are spacing rubber pad, 9 are the welding strip, 10 are the locating hole, 11 are spiral fastening hole, 12 are T shape pin, 13 are a word edge of a knife, 14 are the driving teeth, 15 are indent platform, 16 are position fine setting gasket.

Detailed Description

The utility model provides a variable speed fluted disc, is provided with a number 1, No. 2 and No. 3 dish, and a number 1 one side is equipped with No. 2 dish, and No. 2 dish one side is equipped with No. 3 dish, has a coupling ring 4 in the axle center position welding of a number 1, No. 2 dish and No. 3 dish, imbeds rubber ring 5 in the inboard of coupling ring 4, is equipped with on rubber ring 5 and connects tooth 6, connecting tooth 6 be serration structure, be equipped with stop device on No. 3 dish, stop device includes spacing hole 7 and spacing rubber pad 8, the spacing rubber pad 8 of the peripheral butt fusion of spacing hole 7, spacing rubber pad 8 sets up and is provided with cross welding strip 9 in the inboard of spacing rubber pad 8 along the periphery of spacing hole 7, sets for a hole 10 in the stop device outside, and positioning hole 10 is the empty core hole of triangle-shaped.

The limiting rubber gasket 8 is of an open structure, and a spiral fastening hole 11 is formed in the side edge of the limiting rubber gasket.

The T-shaped pin 12 is connected in the spiral fastening hole 11, and the rotating end of the T-shaped pin 12 is arranged outside.

A boss is arranged on the rotating end 13 of the T-shaped pin, and a straight knife edge 14 is arranged on the boss.

The first disc, the second disc and the third disc are provided with transmission teeth 14, the inner sides of the transmission teeth on the third disc are provided with concave platforms 15, position fine adjustment gaskets 16 are arranged on the concave platforms 15, extrusion springs are arranged on the inner sides of the position fine adjustment gaskets 16, and spiral lifting nuts penetrate through the outer sides of the position fine adjustment gaskets.