Snow bike

Abstract

The invention discloses a snow bike which comprises a bike frame, a handle bracket, a sled assembly and a rear transmission assembly. The handle bracket can be installed at the front end of the bike frame in a rotatable way, the sled assembly and the rear transmission assembly are respectively arranged at the lower end of the handle bracket and the rear end of the bike frame in a detachable way, the sled assembly comprises a main rod and a sled board, the upper side of the main rod is installed at the lower end of the handle bracket detachably, the sled board is arranged at the lower side of the main rod movably, and a shockproof buffer device is arranged between the main rod and the sled board. The snow bike has little body impact shock and is safe to use, and a crawler of the snow bike can grip land very firmly.

Description

Technical field: [0001] The invention relates to a bicycle for recreational sports, in particular to a snowmobile. Background technique: [0002] In the prior art, as disclosed in patents CA2496740 and US2006232026, a front-end sled assembly of a snowmobile includes a ski plate and a main pole, wherein the ski plate is rotatably mounted on the lower end of the main pole through a connecting shaft, and the When sliding on the surface, the sled board can be freely rotated and adjusted to adapt to ice surfaces with different slopes, so that the bicycle can slide forward smoothly. impact force, and the impact force increases with the increase of the bicycle sliding speed and the slope of the ice surface. Since there is no corresponding anti-shock buffer device, the impact force will directly act on the body of the vehicle and the user, causing the body to violently Vibration has seriously affected the comfort of use; in addition, when the sled is sliding down a steep slope or w...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, as disclosed in patents CA2496740 and US2006232026, a front-end sled assembly of a snowmobile includes a ski plate and a main pole, wherein the ski plate is rotatably mounted on the lower end of the main pole through a connecting shaft, and the When sliding on the surface, the sled board can be freely rotated and adjusted to adapt to ice surfaces with different slopes, so that the bicycle can slide forward smoothly. impact force, and the impact force increases with the increase of the bicycle sliding speed and the slope of the ice surface. Since there is no corresponding anti-shock buffer device, the impact force will directly act on the body of the vehicle and the user, causing the body to violently The vibration seriously affects the comfort of use; in addition, when the sled is sliding down a steep slope or wading through an ice pit with a slightly larger diameter, its front end is likely to drop rapidly and fall into the ice and snow, which will cause the car to roll over, which is very unsafe

[0003] In addition, as disclosed in the patent US2006232026, a rear transmission device for a snow bike includes a rear wheel, a rear bracket, a track, a track tensioning assembly, and an attached anti-shock assembly, wherein the attached anti-shock assembly is installed between the rear bracket and the vehicle frame , mainly adopts oil pressure, hydraulic or pneumatic shock absorbers. When the bicycle slides on a rough road at high speed, its track tensioning assembly and the corresponding part of the track will produce a high-frequency up and down fluctuation according to the road surface, and the attached shock absorber The main function of the component is to ensure that the track can keep in contact with the ground during the fluctuation process and absorb the vibration generated by its collision with the ground through its telescopic function. This requires the attached anti-vibration component to have high sensitivity and high-frequency rapid expansion and contraction , to ensure the contact between the track and the ground, and the oil pressure, hydraulic or pneumatic shock absorber used in this patent as an attached shock-proof component only has a good shock-absorbing function, but its sensitivity is low, and it cannot adapt to high-frequency rapid The telescopic action may easily cause the crawler to not grip the ground firmly and slip

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