CN201553187U

CN201553187U - Snowfield bicycle

Info

Publication number: CN201553187U
Application number: CN2009202784588U
Authority: CN
Inventors: 谢来红
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-16
Filing date: 2009-11-16
Publication date: 2010-08-18
Anticipated expiration: 2019-11-16

Abstract

A snowfield bicycle comprises a bicycle frame, a handle bracket, a sled component and a rear part transmission component, wherein the handle bracket is rotatably mounted at the front end of the bicycle frame; the sled component and the rear part transmission component are respectively and detachably mounted at the lower end of the handle bracket and the rear end of the bicycle frame; the sled component comprises a main rod and a sled plate, the upper side of the main rod is detachably mounted at the lower end of the handle bracket, the sled plate is movably arranged on the lower side of the main rod, a shockproof cushioning device is also arranged between the main rod and the sled plate. The snowfield bicycle has the advantages of small impact and vibration of the bicycle main body, safe use, and firm gripping of a crawler belt.

Description

A kind of snow bicycle

Technical field:

The present invention relates to a kind of outdoor activity bicycle, particularly a kind of snow bicycle.

Background technology:

In the prior art, front end sled assembly as patent CA2496740 and the disclosed a kind of snow bicycle of US2006232026, comprise ski and mobile jib, wherein ski is by the rotating mobile jib lower end that is installed in of an adapter shaft, when on rugged ice face, sliding, ski adjusting free to rotate, to adapt to the ice face of different gradient, bicycle is slided forward smoothly, but ski rotate to be regulated and can clashed into domatic generation during with domatic the contact, and then produces an impulsive force, and, this impulsive force increases with the increase of the bicycle coasting speed and the ice face gradient, because corresponding shockproof cushioning device is not set, this impulsive force will act directly on one's body car body and the user, cause the fierce vibrations of car body, had a strong impact on the traveling comfort that uses; In addition, this ski is on the downslide abrupt slope or when time crossing the big slightly cirque of diameter, and its front end descends rapidly easily and is trapped in the ice and snow, and then causes the overturning phenomenon, and is very dangerous.

In addition, rear portion driving device as the disclosed a kind of snow bicycle of patent US2006232026, comprise trailing wheel, after poppet, crawler belt, track tension assembly and adhere to shockproof assembly, wherein adhering to shockproof assembly is installed between after poppet and the vehicle frame, what mainly adopt is oil pressure, the bumper of hydraulic pressure or air pressure, when bicycle slides at a high speed on rugged road surface, its track tension assembly and cooresponding this part crawler belt can produce a high-frequency fluctuation up and down according to the road surface, and the main effect of adhering to shockproof assembly is to guarantee that by its Telescopic crawler belt also can keep in touch and absorb the vibrations that itself and collision on the ground are produced with ground in wave process, this just requires to adhere to shockproof assembly and has higher sensitivity, the high-frequency quick-expansion of energy, to guarantee that crawler belt contacts with ground-surface, and the oil pressure of shockproof assembly is adhered in the conduct of adopting in this patent, the bumper of hydraulic pressure or air pressure, only has vibration-absorbing function fruit preferably, but sensitivity is low, can not adapt to high-frequency quick-expansion action, cause crawler belt to grab the not firm and skidding in ground easily.

Summary of the invention:

The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, provide little, the safe in utilization and crawler belt of a kind of car body impact endurance test shock to grab the firm snow bicycle in ground.

According to a kind of snow bicycle provided by the invention, comprise vehicle frame, handle bracket, sled assembly and rear portion transmission component, wherein, the rotating vehicle frame front end that is installed in of handle bracket, sled assembly and rear portion transmission component detouchable respectively are installed in handle bracket lower end and vehicle frame rear end, the rear portion transmission component comprises trailing wheel, after poppet, crawler belt, track tension assembly and adhere to shockproof assembly, wherein, trailing wheel is by the rotatable vehicle frame rear end that is installed in of an axletree, after poppet is rotatable to be installed on the axletree, after poppet comprises the upper arm and the underarm of captive joint, upper arm extends upward, underarm is downward-sloping extension simultaneously backward, track tension assembly is installed on the free end of underarm, adhering to shockproof assembly is connected between upper arm free end and the vehicle frame, crawler tensioning is installed on trailing wheel and the track tension assembly, described sled assembly comprises mobile jib and ski, mobile jib upside detouchable is installed in the handle bracket lower end, the ski activity be arranged on the mobile jib downside, the shockproof cushioning device also is installed between mobile jib and the ski.

The present invention also has following attached technical characterictic:

Described shockproof cushioning device is made up of pipe link and spring, described ski upper surface is provided with Connection Block by midway location, and pipe link one end and described mobile jib lower end are hinged, and the other end and Connection Block front end are hinged, spring one end is connected with the pipe link centre portion, and the other end is connected with the Connection Block rear end.

Described ski upper surface is provided with Connection Block by midway location, described mobile jib lower end and Connection Block rear end are hinged, described shockproof cushioning device is the tortuous bow shape spring leaf with a concave surface and a convex surface, this tortuous bow shape spring leaf one end and Connection Block front end are hinged, the other end is hinged on the mobile jib, and concave surface that should tortuous bow shape spring leaf places mobile jib and Connection Block hinged place one side.

The described shockproof assembly that adheres to is one to have the tortuous bow shape spring leaf of a concave surface and a convex surface, and its concave surface places described trailing wheel one side and an end and described vehicle frame to flexibly connect, and the other end is captiveed joint with described upper arm by an adjusting part.

Described adjusting part is movably connected in the free-ended connecting strap of described upper arm, has two positioning grooves that be arranged in parallel on this connecting strap, and the described shockproof assembly that adheres to is installed on two positioning grooves by screw is adjustable.

Described track tension assembly comprises rocking arm, tension wheel and track adjusting wheel, and wherein, rocking arm centre portion and described underarm free end are hinged, rotatable respectively rear end and the front end that is installed in rocking arm of tension wheel and track adjusting wheel.

According to a kind of snow bicycle provided by the invention, be with respect to the advantage of prior art:

First, among the present invention, the shockproof cushioning device is installed between mobile jib and ski, this shockproof cushioning device is made up of pipe link and spring or is made of tortuous bow shape spring leaf, can absorb ski and ice the most impulsive force that face gradient bump is produced by actv., reduce the vibrations of car body, improved the traveling comfort that uses; In addition, this ski is on the downslide abrupt slope or when time crossing the big slightly cirque of diameter, and this shockproof cushioning device can stop shovel to descend rapidly and be trapped in the ice and snow, has reduced therefore and the overturning danger that produces has increased the safety of using.

Second, among the present invention, adhere to shockproof assembly and be one and have the tortuous bow shape spring leaf of a concave surface and a convex surface, this tortuous bow shape spring leaf adopts materials such as resin, natural fiber or glass fibre to synthesize and makes, and has high resiliency and high-intensity characteristics, and is highly sensitive, adapt to the fluctuation of crawler belt by self elastic deformation, can force the crawler belt in high-frequency fluctuation to be kept in touch with ground all the time, strengthen the fixing that crawler belt is grabbed ground, reduce the probability that skidding produces.

Description of drawings:

Introduce the present invention in detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is the structural representation of embodiment one among the present invention;

Fig. 2 is the structural representation of embodiment two among the present invention;

Fig. 3 is the structural representation of adjusting part among the present invention.

The specific embodiment:

With reference to Fig. 1, Fig. 2, Fig. 3, a kind of snow bicycle of carrying according to the present invention, comprise vehicle frame 1, handle bracket 2, sled assembly 3 and rear portion transmission component 4, wherein, handle bracket 2 rotating vehicle frame 1 front ends that are installed in, sled assembly 3 and rear portion transmission component 4 detouchable respectively are installed in handle bracket 2 lower ends and vehicle frame 1 rear end, after sled assembly 3 and rear portion transmission component 4 pulled down, change common wheel, can ride on the ground on the road, rear portion transmission component 4 comprises trailing wheel 41, after poppet 42, crawler belt 43, track tension assembly 44 and adhere to shockproof assembly 45, wherein, trailing wheel 41 is by an axletree 5 rotatable vehicle frame 1 rear ends that are installed in, after poppet 42 rotatable being installed on the axletree 5, after poppet 42 comprises the upper arm 421 and the underarm 422 of captive joint, wherein, upper arm 421 extends upward with respect to trailing wheel 41, underarm 422 is with respect to trailing wheel 41 downward-sloping extension simultaneously backward, make, underarm 421, keep a fixing angle between 422, track tension assembly 44 is installed on the free end of underarm 422, adhering to shockproof assembly 45 is connected between upper arm 421 free ends and the vehicle frame 1, crawler belt 43 tensionings are installed on trailing wheel 41 and the track tension assembly 44, sled assembly 3 comprises mobile jib 31 and ski 32, mobile jib 31 upside detouchables are installed in handle bracket 2 lower ends, ski 32 activities be arranged on mobile jib 31 downsides, between mobile jib 31 and the ski 32 shockproof cushioning device 6 is installed also.

Above-mentioned shockproof cushioning device 6 has following two concrete embodiments:

Embodiment one: shockproof cushioning device 6 is made up of pipe link 61 and spring 62, ski 32 upper surfaces are provided with Connection Block 321 by midway location, pipe link 61 1 ends and mobile jib 31 lower ends are hinged, the other end and Connection Block 321 front ends are hinged, spring 62 1 ends are connected with pipe link 61 centre portions, the other end is connected with Connection Block 321 rear ends, ski 32 slides at a high speed and strikes when domatic, it is around pipe link 61 and Connection Block 321 front end hinged place clickwises, wherein, front part is clashed into domatic and has been lifted up with domatic, rear section presses down, at this moment, 32 pairs of springs 62 of ski have a pulling force, under spring 62 tension, ski 32 rear sections have obtained slowing down to domatic impact, subsequently, under human body gravity and effect of inertia, handle bracket 2 and mobile jib 31 are to bottom offset, and force pipe link 61 to be rotated down around itself and Connection Block 321 front end hinged places, and replace by compression spring 62 and ski 32, spring 6 in the compression process will absorb most of impulsive force that domatic and ski 32 bump backs produce and mobile jib 31 and move down impulsive force to ski 32, and then make the impulsive force that finally acts on the car body reduce significantly, increased the traveling comfort that uses.

Embodiment two: ski 32 upper surfaces are provided with Connection Block 321 by midway location, mobile jib 31 lower ends and Connection Block 321 rear ends are hinged, shockproof cushioning device 6 is for having the tortuous bow shape spring leaf of a concave surface and a convex surface, this tortuous bow shape spring leaf one end and Connection Block 321 front ends are hinged, the other end is hinged on the mobile jib 31, and concave surface that should tortuous bow shape spring leaf places mobile jib 31 and Connection Block 321 hinged places one side, ski 32 slides at a high speed and strikes when domatic, it is around mobile jib 31 lower ends and hinged place, Connection Block 321 rear end clickwise, wherein, front part is clashed into domatic and has been lifted up with domatic, rear section presses down, simultaneously, ski 32 front ends compress arcuate bombing leaf, and the domatic most of impulsive forces that produce with ski 32 bump backs are delivered on the arcuate bombing leaf, by arcuate bombing leaf absorption and digestion, reduce car body because of the vibrations that this impulsive force influence produces, strengthened the traveling comfort that uses.

In addition, this ski 32 is on the downslide abrupt slope or when time crossing the big slightly cirque of diameter, and spring 62 and tortuous bow shape spring leaf can stop ski 32 front ends to descend rapidly and be trapped in the ice and snow, and then have avoided the overturning phenomenon, and be safe in utilization.

Adhere to shockproof assembly 45 and be one and have the tortuous bow shape spring leaf of a concave surface and a convex surface, its concave surface places cushion rod lower end flexible connection on trailing wheel 41 1 sides and an end and the vehicle frame 1, the other end is captiveed joint with upper arm 421 by an adjusting part 7, this tortuous bow shape spring leaf adopts resin, material such as natural fiber or glass fibre is synthetic to be made, has high resiliency, high strength and highly sensitive characteristics, adapt to the fluctuation of crawler belt by self elastic deformation, can force the crawler belt in the high-frequency fluctuation to be kept in touch with ground all the time, strengthen crawler belt and grabbed the fixing on ground, reduced the probability that skidding produces, adjusting part 7 is movably connected in upper arm 421 free-ended connecting straps 71, have two positioning grooves 72 that be arranged in parallel on this connecting strap 71, adhere to shockproof assembly 45 by screw 73 adjustable being installed on two positioning grooves 72, during adjusting, unclamp screw 73 and get final product, setting range is limited by two positioning grooves 72.

Track tension assembly 44 comprises Rocker arm 4 41, tension wheel 442 and track adjusting wheel 443, wherein; Rocker arm 4 41 centre portions and underarm 422 free ends are hinged; rotatable respectively rear end and the front end that is installed in Rocker arm 4 41 of tension wheel 422 and track adjusting wheel 443; when sliding on the rugged ice face; tension wheel 422 and track adjusting wheel 443 can rotate freely fluctuation around Rocker arm 4 41 and underarm 422 hinged places with Rocker arm 4 41, to adapt to the ice face of differing heights, increase the stability that crawler belt 43 is grabbed ground.

The foregoing description is only for the usefulness that the present invention is described; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.

Claims

1. snow bicycle, comprise vehicle frame (1), handle bracket (2), sled assembly (3) and rear portion transmission component (4), wherein, rotating vehicle frame (1) front end that is installed in of handle bracket (2), sled assembly (3) and rear portion transmission component (4) detouchable respectively are installed in handle bracket (2) lower end and vehicle frame (1) rear end, rear portion transmission component (4) comprises trailing wheel (41), after poppet (42), crawler belt (43), track tension assembly (44) and adhere to shockproof assembly (45), wherein, trailing wheel (41) is by rotatable vehicle frame (1) rear end that is installed in of an axletree (5), after poppet (42) is rotatable to be installed on the axletree (5), after poppet (42) comprises the upper arm (421) and the underarm (422) of captive joint, upper arm (421) extends upward, underarm (422) is downward-sloping extension simultaneously backward, track tension assembly (44) is installed on the free end of underarm (422), adhering to shockproof assembly (45) is connected between upper arm (421) free end and the vehicle frame (1), crawler belt (43) tensioning is installed on trailing wheel (41) and the track tension assembly (44), it is characterized in that: described sled assembly (3) comprises mobile jib (31) and ski (32), mobile jib (31) upside detouchable is installed in handle bracket (2) lower end, ski (32) is movable is arranged on mobile jib (31) downside, between mobile jib (31) and the ski (32) shockproof cushioning device (6) is installed also.

2. a kind of snow bicycle as claimed in claim 1, it is characterized in that: described shockproof cushioning device (6) is made up of pipe link (61) and spring (62), described ski (32) upper surface is provided with Connection Block (321) by midway location, pipe link (61) one ends and described mobile jib (31) lower end are hinged, the other end and Connection Block (321) front end is hinged, spring (62) one ends are connected with pipe link (61) centre portion, and the other end is connected with Connection Block (321) rear end.

3. a kind of snow bicycle as claimed in claim 1, it is characterized in that: described ski (32) upper surface is provided with Connection Block (321) by midway location, described mobile jib (31) lower end and Connection Block (321) rear end are hinged, described shockproof cushioning device (6) is for having the tortuous bow shape spring leaf of a concave surface and a convex surface, this tortuous bow shape spring leaf one end and Connection Block (321) front end are hinged, the other end is hinged on the mobile jib (31), and concave surface that should tortuous bow shape spring leaf places mobile jib (31) and Connection Block (321) hinged place one side.

4. as claim 2 or 3 described a kind of snow bicycles, it is characterized in that: the described shockproof assembly (45) that adheres to is one to have the tortuous bow shape spring leaf of a concave surface and a convex surface, its concave surface places described trailing wheel (41) one sides and an end and described vehicle frame (1) to flexibly connect, and the other end is captiveed joint with described upper arm (421) by an adjusting part (7).

5. a kind of snow bicycle as claimed in claim 4, it is characterized in that: described adjusting part (7) is movably connected in the free-ended connecting strap of described upper arm (421) (71), have two positioning grooves (72) that be arranged in parallel on this connecting strap (71), the described shockproof assembly (45) that adheres to is installed on two positioning grooves (72) by screw (73) is adjustable.

6. a kind of snow bicycle as claimed in claim 5, it is characterized in that: described track tension assembly (44) comprises rocking arm (441), tension wheel (442) and track adjusting wheel (443), wherein; rocking arm (441) centre portion and described underarm (422) free end are hinged, rotatable respectively rear end and the front end that is installed in rocking arm (441) of tension wheel (422) and track adjusting wheel (443).