CN208789873U

CN208789873U - A kind of sled mountain bike

Info

Publication number: CN208789873U
Application number: CN201821557269.XU
Authority: CN
Inventors: 董晓倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2019-04-26
Anticipated expiration: 2028-09-21

Abstract

The utility model discloses a kind of sled mountain bikes, including main body of vehicle frame, the bottom end of the front fork of the main body of vehicle frame passes through the fixed skiing board of rotary connecting device, the outer ring of the driving rear-wheel is equipped with wheel buckle slot, the rear side of the driving rear-wheel is equipped with servo-actuated tracked wheel assemblies, the driving rear-wheel is connected with servo-actuated tracked wheel assemblies by crawler belt, and the medial surface and lateral surface of the crawler belt are equipped with crawler belt slot；The utility model can guarantee that ski bob can be smoothly turned to and be risen and fallen in snowfield by the way that the front vehicle wheel of main body of vehicle frame is adapted as rotary skiing board, and the servo-actuated tracked wheel assemblies with driving rear-wheel phase downlink connection rotation are installed additional by wheel rear side upon activation, increase the contact area of crawler belt and snowfield, therefore when wheel and servo-actuated tracked wheel assemblies drive crawler belt rotation upon activation, the contact area of crawler belt bottom and snowfield is bigger, the power that rear-guard provides is bigger, the case where reducing skidding, ensure that main body of vehicle frame fast and flexible can ride on snowfield.

Description

A kind of sled mountain bike

Technical field

The utility model relates to a kind of snowmobile, specifically a kind of sled mountain bike.

Background technique

Snow bicycle is developing general 2006 since the U.S., and the difference of this vehicle and mountain bike is exactly outside Its cover tire 4.0-4.8 of tire, and it of low tire pressure can be walked on snowfield, in traditional ski bob, by by that will drive Driving wheel is replaced into the form of crawler belt to realize the driving functions on snowfield, but since bicycle designs for paralleling double wheel, adds The setting of rear fork after upper frame front fork causes bicycle quick that can not install the biggish crawler belt of width additional, although passing through low pressure tire or increasing The road holding of bicycle tyre can be improved in the mode of extra bus wheel surface roughness, but still can not be with the ski bob phase of four-wheel Than.

Snow bicycle compares for the ski bob of general four-wheel electric drive or fuel oil driving, has more economical and section Can the advantages of, but the road holding for how improving snow bicycle becomes as a urgent problem, therefore, for this kind of Problem, it would be desirable to it is a kind of can be improved road holding, can on snowfield flexible smooth-ride snow bicycle.

Summary of the invention

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of sled mountain bike Problem.

To achieve the above object, the utility model provides the following technical solutions:

A kind of sled mountain bike, including main body of vehicle frame, the main body of vehicle frame include crossbeam, and the top of crossbeam is fixed Carrier for cycle, the fixed front fork beam in the crossbeam front side, the fixed rear fork beam of the rear side of front fork beam, the rear fork beam rear end thereof are solid Determine hind axle, driving rear-wheel is fixed on hind axle by more spokes, is equipped with and subtracts between the rear fork beam and main body of vehicle frame Spring is shaken, the junction of the fixed front fork in front end of the front fork beam, the front fork beam and rear fork beam is equipped with foot pedal, foot pedal It is connected by chain assemblies and speed changer with driving rear wheel drive, the bottom end of the front fork passes through the fixed snow of rotary connecting device Sledge plate, the outer ring of the driving rear-wheel are equipped with wheel buckle slot, and the rear side of the driving rear-wheel is equipped with servo-actuated tracked wheel assemblies, institute It states driving rear-wheel to be connected with servo-actuated tracked wheel assemblies by crawler belt, the medial surface and lateral surface of the crawler belt are equipped with crawler belt slot.

Further scheme: the rotary connecting device includes sled rotating turret and rotary motion axis, and the sled turns Moving frame is fixed on side by side on the top surface of skiing board, and fixed rotary motion axis, the rotation are rotated between the sled rotating turret Fixed front fork fixing frame, the fixed front fork in the top of the front fork fixing frame are rotated on the middle section bar wall of rotation axis.

Further scheme: multiple adjustings for fixing front fork bottom end are offered on the front fork fixing frame and are fixed Hole.

Further scheme: the servo-actuated tracked wheel assemblies include a main Athey wheel and two branch Athey wheels, described Main Athey wheel is fixed on hind axle by the servo-actuated crawler belt wheel carrier bent, and the branch Athey wheel is fixed on master by servo support The front side both sides of Athey wheel, the crawler belt constitute a closure rotating around rear-wheel of overdriving, main Athey wheel and two main Athey wheels Circle.

Further scheme: the fixed detent frame connecting rod of the rear side of the Carrier for cycle, the bottom end of the detent frame connecting rod The fixed two pieces of crawler belts detent frame in two sides, the crawler belt detent frame are located at the left and right sides of driving rear-wheel, the crawler belt card The bottom end of position frame is fixed on hind axle.

Compared with prior art, the utility model has the beneficial effects that the utility model is by by the front truck of main body of vehicle frame Wheel, which is adapted as rotary skiing board, can guarantee that ski bob can be smoothly turned to and be risen and fallen in snowfield, and by driving It installs the servo-actuated tracked wheel assemblies with driving rear-wheel phase downlink connection rotation on rear side of rear-wheel additional, increases the contact surface of crawler belt and snowfield Product, thus upon activation wheel and servo-actuated tracked wheel assemblies drive crawler belt rotation when, the contact area of crawler belt bottom and snowfield is bigger, The power that rear-guard provides is bigger, the case where reducing skidding, ensure that main body of vehicle frame fast and flexible can ride on snowfield Row.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of sled mountain bike.

Fig. 2 is the structural schematic diagram that tracked wheel assemblies are servo-actuated in sled mountain bike.

Fig. 3 is the structural schematic diagram of skiing board in sled mountain bike.

Fig. 4 is the structural schematic diagram that rear-wheel is driven in sled mountain bike.

Fig. 5 is the structural schematic diagram of crawler belt in sled mountain bike.

In figure: main body of vehicle frame 1, crossbeam 10, Carrier for cycle 11, front fork beam 12, chain assemblies 13, foot pedal 14, speed changer 15, Rear fork beam 16, damping spring 17, front fork 18, crawler belt detent frame 2, detent frame connecting rod 20, servo-actuated tracked wheel assemblies 3, servo-actuated crawler belt It is wheel carrier 30, servo support 31, main Athey wheel 32, branch Athey wheel 33, skiing board 4, sled rotating turret 40, rotary motion axis 41, preceding It pitches fixed frame 42, adjust fixation hole 43, crawler belt 5, crawler belt slot 50, driving rear-wheel 6, hind axle 60, wheel buckle slot 61.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

Please refer to Fig. 1~5, in the utility model embodiment, a kind of sled mountain bike, including main body of vehicle frame 1, it is described Main body of vehicle frame 1 includes crossbeam 10, the fixed Carrier for cycle 11 in the top of crossbeam 10, the 10 fixed front fork beam 12 in front side of the crossbeam, The fixed rear fork beam 16 of the rear side of front fork beam 12, the fixed hind axle 60 of 16 rear end thereof of rear fork beam, driving rear-wheel 6 pass through More spokes are fixed on hind axle 60, and damping spring 17, the front fork beam are equipped between the rear fork beam 16 and main body of vehicle frame 1 The junction of the fixed front fork 18 in 12 front end, the front fork beam 12 and rear fork beam 16 is equipped with foot pedal 14, and foot pedal 14 passes through Chain assemblies 13 and speed changer 15 are connected with the driving transmission of rear-wheel 6, and the bottom end of the front fork 18 is fixed by rotary connecting device Skiing board 4, the outer ring of the driving rear-wheel 6 be equipped with wheel buckle slot 61, the rear side of the driving rear-wheel 6 is equipped with servo-actuated crawler belt Wheel assembly 3, the driving rear-wheel 6 are connected with servo-actuated tracked wheel assemblies 3 by crawler belt 5, the medial surface and lateral surface of the crawler belt 5 It is equipped with crawler belt slot 50；

The rotary connecting device includes sled rotating turret 40 and rotary motion axis 41, and the sled rotating turret 40 is solid side by side It is scheduled on the top surface of skiing board 4, fixed rotary motion axis 41, the rotary motion axis is rotated between the sled rotating turret 40 Fixed front fork fixing frame 42, the fixed front fork 18 in the top of the front fork fixing frame 42 are rotated on 41 middle section bar wall；

It is offered on the front fork fixing frame 42 multiple for fixing the adjusting fixation hole 43 of 18 bottom end of front fork, adjusting fixation The fixed height of the adjustable front fork 18 of setting in hole 43, to adjust optimal headstock height, more to different gradient and landform Add riding convenient for snowfield；

The servo-actuated tracked wheel assemblies 3 include a main Athey wheel 32 and two branch Athey wheels 33, the main Athey wheel 32 It is fixed on hind axle 60 by the servo-actuated crawler belt wheel carrier 30 of bending, the servo-actuated crawler belt wheel carrier 30 of the bending can guarantee main shoe Belt wheel 32 and driving 6 bottom of rear-wheel are in sustained height, when taking turns 6 rotation drive main Athey wheel 32 rotation upon activation, main crawler belt Wheel 32 can improve forward thrust with preferably pasting, and the branch Athey wheel 33 is fixed on main Athey wheel 32 by servo support 31 Front side both sides, the crawler belt 5 constitutes a closure rotating around rear-wheel 6 of overdriving, main Athey wheel 32 and two main Athey wheels 32 Circle；

The working principle of the utility model is: in use, bicyclist by foot pedal 14 will drive rear-wheel 6 pedal when, Driving rear-wheel 6 can drive servo-actuated tracked wheel assemblies 3 to rotate together by crawler belt 5, driving rear-wheel 6, crawler belt 5 and servo-actuated Athey wheel group The rear driving force that part 3 is constituted can push main body of vehicle frame 1 to travel forward in snowfield, and interior and exterior is designed with the crawler belt of crawler belt slot 50 5, it can not only guarantee that crawler belt 5 in snowfield rotation, will not generate skidding, improve effective forward thrust, and it is also ensured that Rear-wheel 6 and servo-actuated tracked wheel assemblies 3 is driven not to generate slipping phenomenon in the medial surface and crawler belt 5 of crawler belt 5, by 18 front end of front fork Wheel repack into and can rotate skiing board 4, skiing board 4 not only can carry out steering rotation with the handlebar of main body of vehicle frame 1, and And the rotation that can be risen and fallen in front and back by sled rotating turret 40 and rotary motion axis 41, guarantee that skiing board 4 can be bonded snowfield Road surface more smoothly moves ahead；

The utility model can be guaranteed by the way that the front vehicle wheel of main body of vehicle frame 1 is adapted as rotary skiing board 4 as a result, Ski bob can be smoothly turned to and be risen and fallen in snowfield, and be installed additional and driving 6 phase downlink connection of rear-wheel by 6 rear side of wheel upon activation The servo-actuated tracked wheel assemblies 3 of rotation, increase the contact area of crawler belt 5 Yu snowfield, therefore wheel 6 and servo-actuated Athey wheel upon activation When component 3 drives crawler belt 5 to rotate, the contact area of 5 bottom of crawler belt and snowfield is bigger, and the power that rear-guard provides is bigger, reduces The case where skidding, ensure that main body of vehicle frame 1 fast and flexible can ride on snowfield.

Embodiment 2

The present embodiment the difference from embodiment 1 is that: the fixed detent frame connecting rod 20 of the rear side of the Carrier for cycle 11, it is described The fixed two pieces of crawler belt detents frame 2 in the bottom end two sides of detent frame connecting rod 20, the crawler belt detent frame 2 are located at driving rear-wheel 6 The left and right sides, the bottom end of the crawler belt detent frame 2 is fixed on hind axle 60

Working principle of the utility model is: the setting of the crawler belt detent frame 2 and detent frame connecting rod 20 can increase driving The top pressure of rear-wheel 6 and servo-actuated tracked wheel assemblies 3, when guaranteeing that driving rear-wheel 6 and servo-actuated tracked wheel assemblies 3 rotate, Bu Huiyin It skids to be connected not close with bottom surface, and the crawler belt detent frame 2 and detent frame connecting rod of 6 two sides are taken turns in setting upon activation 20 can be obstructed and be struck off to the snow in 5 outside of crawler belt, and snow is prevented to be thrown to forward with bicyclist or accumulate on crawler belt 5 Excessive snow block causes 5 surface of crawler belt to lead to the problem of skidding.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of sled mountain bike, including main body of vehicle frame (1), the main body of vehicle frame (1) includes crossbeam (10), crossbeam (10) The fixed Carrier for cycle in top (11), fixed front fork beam (12) on front side of the crossbeam (10), the rear side of front fork beam (12) fixes Rear fork beam (16), the fixed hind axle of rear fork beam (16) rear end thereof (60), driving rear-wheel (6) it is solid by more spokes It is scheduled on hind axle (60), is equipped with damping spring (17) between the rear fork beam (16) and main body of vehicle frame (1), the front fork beam (12) the fixed front fork in front end (18), the front fork beam (12) and the junction of rear fork beam (16) are equipped with foot pedal (14), foot Pedal (14) is connected by chain assemblies (13) and speed changer (15) with driving rear-wheel (6) transmission, which is characterized in that the front fork (18) bottom end is equipped with wheel buckle slot by the fixed skiing board of rotary connecting device (4), the outer ring of driving rear-wheel (6) (61), the rear side of driving rear-wheel (6) is equipped with servo-actuated tracked wheel assemblies (3), the driving rear-wheel (6) and servo-actuated Athey wheel group Part (3) is connected by crawler belt (5), and the medial surface and lateral surface of the crawler belt (5) are equipped with crawler belt slot (50).

2. sled mountain bike according to claim 1, which is characterized in that the rotary connecting device includes that sled turns Moving frame (40) and rotary motion axis (41), the sled rotating turret (40) are fixed on side by side on the top surface of skiing board (4), the snow Fixed rotary motion axis (41) is rotated between sledge rotating turret (40), rotation is solid on the middle section bar wall of the rotary motion axis (41) Determine front fork fixing frame (42), the fixed front fork in top (18) of the front fork fixing frame (42).

3. sled mountain bike according to claim 2, which is characterized in that offered on the front fork fixing frame (42) Multiple adjusting fixation holes (43) for being used to fix front fork (18) bottom end.

4. sled mountain bike according to claim 1, which is characterized in that the servo-actuated tracked wheel assemblies (3) include One main Athey wheel (32) and two branch Athey wheels (33), the servo-actuated crawler belt wheel carrier (30) that the main Athey wheel (32) passes through bending It is fixed on hind axle (60), the branch Athey wheel (33) is fixed on the front side two of main Athey wheel (32) by servo support (31) Side, the crawler belt (5) constitute a closure rotating around rear-wheel of overdriving (6), main Athey wheel (32) and two main Athey wheels (32) Circle.

5. sled mountain bike according to claim 1 to 4, which is characterized in that the rear side of the Carrier for cycle (11) Fixed detent frame connecting rod (20), the fixed two pieces of crawler belt detents frame (2) in the bottom end two sides of the detent frame connecting rod (20) are described Crawler belt detent frame (2) is located at the left and right sides of driving rear-wheel (6), and the bottom end of the crawler belt detent frame (2) is fixed on rear-wheel On axis (60).