CN201043000Y - Vehicle for sea beach and mountain land - Google Patents

Abstract

A sandy mountain bike is mainly composed of a plurality of systems such as turning, braking, transmission, power and electricity etc. and a frame and wheels, which is characterized in that the utility model also comprises a two-wheel or four-wheel independent suspension which is provided with a front-wheel and a rear-wheel suspension device, and the frame is seated on the wheels via the suspension; the transmission system is provided in the rear of the frame, and the two transmission square beams thereon are fixed on the inner sides of the wheels respectively; the power system is provided in the rear of the frame, the power of the generator thereof is transferred to the transmission system by a driving wheel, a transmission belt, and a driven wheel; or, the power of the generator is connected with the driving wheel via the middle transmission elements, and then is transferred to the transmission system by the driving wheel, the transmission belt, and the driven wheel. The utility model has safe and reliable structure, good braking performance, good passing-through performance with strong automotive cross-running performance and climbing ability, and can be applied to various complicated terrains; the utility model is comfortable for riding, easy and convenient for operating, and the adaptability, the ride performance and the handling stability is obviously improved; also, the utility model is easy to be fabricated and convenient to be installed and maintained.

Description

Sand beach cross-country bicycle

[technical field]

The utility model relates to vehicle structure, and especially a kind of transporting something containerized is moving, leisure, amusement are one or the sand beach cross-country bicycle of being engaged in open-air job that requires special skills.

[background technology]

All-terrain vehicle is the title of translating of All Terrain Vehicle (being abbreviated as ATV), and is commonly called " beach buggy " at home, and quite similar because of its structure and motor bike, and many parts and motor bike are general, so also the someone is called " four-wheel motor cycle ".Its purposes is very extensive, fields such as agricultural, tourist industry, animal husbandry, forestry, exploration, geoexploration, fire-fighting, hunting and military affairs have been contained, owing to be not subjected to the restriction of road conditions, so wider, and be the trend that rises year by year in countries use such as the U.S., Canada, Spain, Australia.According to the statistics of U.S. motor bike industry association (Motorcycle Industry Council), about about 1,000,000 of present global ATV market scale, wherein 80% demand is from the U.S., and market outlook are very wide.

Because China is motor bike big producing country, industry is numerous, the manufacturing improvement ability is huge, and the competition between each enterprise also grows in intensity, cause enterprise profit more and more lower, therefore under the very good situation in international ATV market, ATV changes the line of production one after another with foreign exchange earning in domestic each big motor bike manufacturer.According to parties concerned statistics, more than 400 families of the existing big and small ATV manufacturing enterprise of China, wherein existing professional ATV manufacturing enterprise, also having many is that motor bike manufacturing enterprise produces by existing equipment and personnel.The scale of enterprise varies, and product design is also uneven.Because existing ATV manufacturing enterprise especially changes the line of production from motor bike manufacturer, the ATV profile of being produced is basic similar to motor bike, some parts is also identical with motor bike, thereby relate in the in-use performance of ATV and structure and still to have many defectives and weak point, higher such as the product center of gravity that has, the chaufeur center-of-gravity position that need adjust self keeps the vehicle balance, so easy generation roll-over accident, safety deficiency in the process of moving; The properties of product that have are more single, can only adapt on the hill path to travel, or can only travel on mud ground, sandy beach, and all crossing ability is poor; The product tractive performance that has is stable inadequately, and cross-country hill climbing ability is not strong; The product structure complexity that has, moulding is attractive in appearance inadequately, and profile is identical; The product bug incidence height that has, service life is short or the like, finally causes the competitiveness of product in market to descend, and is seriously restricting the development of ATV manufacturing enterprise.

[utility model content]

The technical problems to be solved in the utility model is to provide a kind of novel sand beach cross-country bicycle that travels or be engaged in open-air special operation on the various complex-terrains of sandy beach, hill path, meadow, mud ground, ice-snow field, thicket etc.

For achieving the above object, the technical scheme that the utility model proposed is:

A kind of sand beach cross-country bicycle, mainly form by vehicle frame, steering swivel system, brake system, driving system, power system, electric system and wheel, described wheel is divided into front-wheel and trailing wheel, the vehicle frame integral seat drops on the wheel, and steering swivel system, brake system, driving system, power system, electric system all place on the vehicle frame; Wherein:

Steering swivel system places the front portion of vehicle frame, and steering handwheel of control front-wheel is fixed on the vehicle frame front portion on it;

Brake disc on the brake system middle rolling car brake equipment is installed on trailing wheel or transmission minor axis or the transmission long axis, and the brake pedal of controlling this brake disc is arranged at the lower front of vehicle frame;

It is characterized in that:

Described sand beach cross-country bicycle also includes suspension, and this suspension is two-wheeled or four-wheel independent suspension, and this independent suspension comprises front wheel suspension device and rear wheel suspension device, and described vehicle frame then falls within on the wheel by the suspension integral seat;

Described driving system is located at the rear portion of vehicle frame, and driving system includes driving wheel, flower wheel, two transmission square beams, and wherein two transmission square beams are separately fixed at the wheel inboard;

Described power system is located at the vehicle frame rear portion, and is adjacent with driving system, and power system includes driving engine, connects driving wheel on the output shaft of described driving engine, and driving wheel links to each other with flower wheel by driving band; Or connect intermediate drive spare on the output shaft of described driving engine, driving wheel with link to each other with flower wheel by driving band again after this intermediate drive spare is connected.

Be separately installed with synchronous belt, trailing wheel semiaxis, rear wheel suspension device on the transmission square beam in the described driving system, also comprise a diff on the driving system, described diff two ends join with transmission minor axis and transmission long axis one end respectively, and all the other two ends of transmission minor axis and transmission long axis are fixed on the vehicle frame after then passing the transmission square beam respectively.

Described driving system also includes gear reversing device, includes reverse gear handgrip, reverse gear push-pull cable, input connects dish axle, reverse gear and output and connects the dish axle, and wherein the reverse gear handgrip is located at the vehicle frame front portion, and the reverse gear in the gear reversing device then is located at the rear portion of vehicle frame; The reverse gear handgrip is connected with reverse gear by the reverse gear push-pull cable, and the reverse gear both sides have input to connect the dish axle respectively and output connects the dish axle, and described input connects the dish axle and connects flower wheel in the driving system, exports to connect to coil spool reverse gear sprocket wheel set on the driving system then is housed;

Also be provided with holding brake device in the described brake system, this holding brake device comprises Parking handgrip, handgrip drag-line, parking brake pincers, and wherein the Parking handgrip is fixed on vehicle frame the place ahead, and the parking brake pincers also connect the brake disc on the control service brake device;

Also be provided with holding brake device in the described brake system, this holding brake device comprises Parking handgrip, handgrip drag-line, parking brake pincers and parking brake dish, wherein Parking handgrip, parking brake pincers are fixed on the vehicle frame, and the parking brake dish is installed in output set in the gear reversing device and connects on the dish axle;

The service brake device left and right sides in the described brake system is separate, comes to control separately respectively two brake discs that are installed on the trailing wheel by two brake pedals;

Be provided with the diff suspension gear on the diff in the described driving system, mainly comprise center sprocket wheel and some bearings, mounting center sprocket wheel on the right-hand member housing of diff wherein, a bearing is housed in the sprocket wheel of center, bearing installation is on the transmission minor axis of described driving system, installation shaft bearing on the left end housing of diff is equipped with a bearing in the bearing seat, bearing installation is on transmission long axis;

Described diff suspension gear one side has been installed diff lock, mainly comprise claw collar, fork, fork bar, steel ball, compression spring and holding screw, it is to be processed with the inner teeth tooth that is meshed with claw collar on the sprocket wheel of the center of diff suspension gear, claw collar can along transmission minor axis side travel be installed on the transmission minor axis, fork then is installed on the claw collar, the fork bar is connected with fork and is fixed on the vehicle frame, and steel ball, compression spring and holding screw are installed on the claw collar;

Contain bracket of shock absorber in the described front wheel suspension device, contain the rear shock absorber assembly in the rear wheel suspension device, described bracket of shock absorber upper end is connected with vehicle frame is anterior, the lower end is connected with connection pipe on the front-wheel, described rear shock absorber assembly upper end is connected with the vehicle frame rear portion, and the lower end is connected with the transmission square beam respectively;

The simplified stroke of described bracket of shock absorber, rear shock absorber assembly all can be adjusted;

The driving wheel of described driving system, flower wheel adopt the V band inertia type CVT structure that realizes stepless variable drive;

Described vehicle frame front portion is provided with the seat of chaufeur, and this seat is front and back adjustable seats;

Described reverse gear is provided with a D Drive, one and retreats shelves, the box reverse gear of a single pole fork steering unit;

The Portable Automatic inflation pump that can fill automatically, exit front and rear wheel is installed behind the described vehicle frame.

The utility model is compared with prior art, all has more significantly in utility models such as safety, crossing ability, novelties and improves:

One, the utility model structural safety is reliable, and deceleration and stopping performance is good, has protected driver and crew's driving safety effectively, has improved the operational safety performance of vehicle.

1, main car frame all is welded with solid drawn pipe processing, moulding is simply attractive in appearance, rationally distributed, assembly, parts and the pipeline that not only can guarantee to be fixed on the vehicle frame do not move interference each other, and have enough intensity and an impact resistance, chair mounted is in vehicle frame, standard compliant safety strap is equipped with on the seat, vehicle's center of gravity reduces, travel steadily, roll-over accident be difficult for to take place, even if vehicle when running into extraordinary circumstances and meet accident roll-over accident, still can be protected driver and crew's safety;

2, adopted the separate service brake device in the left and right sides, can check each trailing wheel separately separately, the brake pedal spacing distance is about 35mm, so that carry out brake operation at the same time or separately, and brake disc is installed on the trailing wheel semiaxis, and be hidden in the trailing wheel wheel rim, avoided because of being with fracture or brake disc to be subjected to the harm that causes brake equipment to lose efficacy and bring after the hard thing collision synchronously;

3, be provided with holding brake device, make and do not slip car behind the vehicle parking.

Two, the utility model crossing ability is good, has stronger motor-driven off-road capability and hill climbing ability, can adapt to the various complex-terrains of sandy beach, hill path, meadow, mud ground, ice-snow field, thicket etc.

1, is provided with diff lock, when being difficult to walk, sails when travelling on the highway section (as highway sections such as sandy beach, mire, ice and snow) sand beach cross-country bicycle, use this device, make diff inoperative, can make full use of ground-surface adhesion value like this, make tractive force reach possible maxim, improved the crossing ability of vehicle.When sand beach cross-country bicycle is expert at that rolling away from is difficult to walk sails the highway section and enter better highway section, should in time unclamp this device, guarantee that vehicle can adapt to various complex-terrains, improved the Combination property of vehicle;

2, used the diff suspension gear, the difference device directly is connected with transmission minor axis or transmission long axis, need not adopt traditional back bridge architecture, has not only improved the service life of diff, and has simplified the structure of driving system, has alleviated the quality of car load;

3, adopted two-wheeled/four-wheel independent suspension frame unit, especially four-wheel independent suspension frame unit, when vehicle ', owing to no matter be front-wheel, trailing wheel, still all there is not axletree to connect between left and right the wheel, can press certain relative vehicle frame self-movement of track separately, be independent of each other, therefore improve tire greatly to ground-surface adhesive ability, various different road surfaces have been had good comformability, guaranteed vehicle travelling comfort and road-holding property on uneven road surface or complex road surface;

4, can adjust the ground Clearance of frame chassis according to different topographic conditions, satisfy the needs that vehicle adapts to various complex-terrains;

5, disposed Portable Automatic inflation pump, when on sand beach cross-country bicycle is being difficult to walk the highway section, travelling, can exit to tire with Portable Automatic inflation pump, tire pressure is reduced to 0.4～0.6MPa, increase wheel and ground-surface area of contact, thereby produce bigger friction force, make tire be difficult for slipping, travel easily, help improving the driveability of vehicle; When sand beach cross-country bicycle is rolling away from when being difficult to walk the highway section and entering better highway section, in time use Portable Automatic inflation pump to tire put on the air to normal barometric pressure (1.2～1.5MPa), to reduce wear on tyres.

Three, the utility model modern design, uniqueness are driven comfortablely, and noise is little, and is swift and convenient to operate.

1, adopt V band inertia type CVT structure, realized stepless variable drive, simple in structure, compact, need not lubricate, can cushion absorbing, noise is little;

2, be provided with a D Drive, one and retreat shelves, the box reverse gear of a single pole fork steering unit, the structure dexterity, only need pull the reverse gear handle during use, pulling reverse gear push-pull cable is stirred the single pole fork steering unit on the box reverse gear, changes the direction that reverse gear output connects the dish axle, vehicle is advanced or move backward control comfort;

3, the driving space is open, can adjust before and after the seat of chaufeur is set to, and can drive for the personnel of the different bodily forms, make driving comfortable;

4, adopted pinion and-rack direction machine, and horizontal positioned, simple in structure, compact, steering handwheel self-aligning ability is strong, manual dexterity, light, reliable operation, long service life;

5, the afterbody transmission is set to the synchrodrive strap drive, rather than the chain-driving that generally adopts, the driving efficiency height, and noise is little during work;

6, the transmission square beam is installed on the vehicle frame, transmission minor axis or transmission long axis are bearing on the transmission square beam by bearing, the transmission square beam can be beated by certain track is upper and lower around transmission minor axis or transmission long axis, overcome because of the stressed excessive trailing wheel introversion that causes of transmission square beam, quickened tire worn-down bad phenomenon; The transmission square beam is except that being used to install parts such as transmission minor axis or transmission long axis, synchronous strap drive, trailing wheel semiaxis, brake cylinder, make the relative axial position of left and right driving wheel fixing outside, also be used to install the trailing wheel independent suspension frame unit, bear counter-force and moment that drive wheels transmits, and power transmission between drive wheels and suspension.

The utility model is compared with prior art, not only novel in design, unique, moulding is simply attractive in appearance, function admirable, safe and reliable, drive comfortable, have stronger motor-driven off-road capability and hill climbing ability, the adaptive capacity of vehicle road pavement, riding comfort and road-holding property significantly improve, and are convenient to make, and installation and maintenance are convenient.

[description of drawings]

Fig. 1 is a front view of the present utility model;

Fig. 2 is a birds-eye view of the present utility model;

Fig. 3 is a right elevation of the present utility model;

Fig. 4 is a transmission scheme drawing of the present utility model;

Fig. 5 is a body frame structure for automotive scheme drawing of the present utility model;

Fig. 6 is a steering swivel system structural representation of the present utility model;

Fig. 7 is a brake system structure scheme drawing of the present utility model;

Fig. 7 A is the scheme of installation of another structure of brake system of the present utility model;

Fig. 8 is a gear reversing device structural representation of the present utility model;

Fig. 9 is a drive system structure scheme drawing of the present utility model;

Figure 10 is a diff suspension gear structural representation of the present utility model;

Figure 11 is a diff lock structural representation of the present utility model;

Figure 12 is a front wheel suspension apparatus structure scheme drawing of the present utility model;

Figure 13 is a rear wheel suspension device structural representation of the present utility model;

Figure 14 is a power system structural representation of the present utility model;

Figure 15 is an electrical system architecture scheme drawing of the present utility model;

Figure 16 is the positional structure scheme drawing of Portable Automatic inflation pump of the present utility model.

[specific embodiment]

Below in conjunction with accompanying drawing to the utility model further detailed description.

Shown in Fig. 1～3, the sand beach cross-country bicycle that present embodiment provides mainly is made up of vehicle frame 10 (comprising seat, safety strap), steering swivel system 20, brake system 30, gear reversing device 40, driving system 50, suspension 60, power system 70, electric system 80, wheel 90 etc.

As shown in Figure 4, transmission principle of the present utility model is: behind the start the engine 71, the power of driving engine output is successively through stepless variable drive (CVT, comprise driving wheel 574, drive belt 575 and flower wheel 576), reverse gear 45, reverse gear sprocket wheel 502, center sprocket wheel 503, diff 501, transmission minor axis 504, transmission long axis 531, synchronous belt 508, trailing wheel semiaxis 509, pass to two trailing wheels 92 (drive wheel) at last and realize various motions such as the original place starting of vehicle, climbing, turning, acceleration, reverse gear.

As shown in Figure 5, the assembling basis that vehicle frame 10 of the present utility model is whole sand beach cross-country bicycles, form by the frame fitting 14 that distributes around on main car frame 11, seat 12, safety strap 13 and the vehicle frame etc., be used for supporting, connecting the individual assembly of vehicle, make each assembly keep correct relatively position, and bear inside and outside load, it is located on the wheel by suspension.Main car frame 11 all is welded with solid drawn pipe processing; moulding is simply attractive in appearance; rationally distributed; assembly, parts and the pipeline that not only can guarantee to be fixed on the vehicle frame do not move interference each other; and have enough intensity and an impact resistance; even if vehicle when running into extraordinary circumstances and meet accident roll-over accident, still can be protected driver and crew's safety.Can adjust before and after seat 12 is designed to, can drive, guarantee that the driving space is open for the personnel of the different bodily forms.All be equipped with standard compliant safety strap 13 on the seat 12, guaranteed driver and crew's driving safety effectively.14 of frame fittings are used to install each assembly, parts and pipeline.

As shown in Figure 6, steering swivel system 20 of the present utility model is used to change the travel direction of vehicle, form by steering handwheel 21, universal-joint 22, steering shaft 23, left steering intermediate rod 24, direction machine 25, direction machine fixed code 26 and right steering intermediate rod 27 etc., steering handwheel 21 is fixed on vehicle frame 10 front portions, direction machine 25 direction of passage machine fixed code 26 are fixed on the frame fitting 14, the outer end of left steering intermediate rod 24, right steering intermediate rod 27 with the tie-rod ball end hinge and with front wheel suspension device 61 on the left and right track arm of left steering joint 614, right steering joint 615 connect together.Described direction machine 25 has adopted pinion and-rack direction machine, and horizontal positioned, and is simple in structure, compact, and steering handwheel self-aligning ability is strong, manual dexterity, light, reliable operation, long service life.Chaufeur is by handling steering handwheel 21 rotation direction machines 25, at this moment the steering rack side travel on the direction machine 25, make left steering intermediate rod 24,27 1 pressurizeds of right steering intermediate rod, a tension, and move thereupon, the outer end of intermediate rod drives left and right track arm by the bulb hinge and steering swivel rotates around stub, thereby makes angle of wheel flutter (front-wheel) deflection.Steering swivel system 20 not only can change the travel direction of vehicle, makes it according to the fixing direction running of chaufeur, but also can overcome because road surface side makes turning to that wheel produces voluntarily to exciting force, recovers the original travel direction of vehicle.

As shown in Figure 7, brake system 30 of the present utility model is made up of service brake device 31 and holding brake device 32.Described service brake device 31 is to use in the vehicle ' process, make car retardation or parking in travelling, it is by master brake cylinder 311, brake pedal 312, brake pipe (313,314), brake cylinder 315, brake disc 316 compositions such as grade, master brake cylinder 311, brake pipe (313,314) fixedly on the frame fitting 14, brake cylinder 315 is installed in the transmission square beam (505 of driving system 50,530) on, brake disc 316 is installed in that (brake disc can also be installed on transmission minor axis or the transmission long axis on the trailing wheel semiaxis 509 in the driving system 50, the result of An Zhuaning is if band fracture synchronously like this, then trailing wheel still can move ahead under the drive of inertia, cause braking not thorough, but still can carry out as easy structure, the brake disc that present embodiment provides is installed in the structure of trailing wheel semiaxis, can be used as preferred embodiment and uses).Described service brake device 31 is altogether two covers, can check each trailing wheel separately separately, spacing distance between two brake pedals is about 35mm, so that carry out brake operation at the same time or separately, and brake disc is installed on the trailing wheel semiaxis, and be hidden in the trailing wheel wheel rim, avoided because of being with fracture or brake disc to be subjected to the harm that causes brake equipment to lose efficacy and bring after the hard thing collision synchronously; Described holding brake device 32 is to use behind vehicle parking, make and do not slip car behind the vehicle parking, it is made up of Parking handgrip 321, handgrip drag-line 322, parking brake pincers 323 and parking brake dish 324 etc., Parking handgrip 321, parking brake pincers 323 are fixed on the frame fitting 14, and the output that parking brake dish 324 is installed in the gear reversing device 40 connects on the dish axle 46.After the parking that Parking handgrip 321 is upwards cocked, the handgrip drag-line 322 that furthers drives parking brake pincers 323 and blocks parking brake dish 324, makes output in the gear reversing device 40 connect dish axle 46 and can not rotate promptly practicable braking during standstill; Pull Parking handgrip 321 during driving downwards, can remove braking during standstill.

Be depicted as the scheme of installation of another structure of the utility model brake system as Fig. 7 A, installation difference shown in it and Fig. 7 is there is not the parking brake dish in this holding brake device 32, but directly parking brake pincers 323 are connected with brake disc 316 on the trailing wheel 92, by the control of directly braking of 323 pairs of brake discs 316 of parking brake pincers, rather than it is general with structure described in Fig. 7, connect dish axle 46 coordinated control vehicle parkings with output in the gear reversing device 40 and do not slip car, structure is comparatively simple comparatively speaking, operates also very convenient.

As shown in Figure 8, gear reversing device 40 of the present utility model is used for sand beach cross-country bicycle can be to overtake, also can travel backward, it is by reverse gear handgrip 41, reverse gear push-pull cable 42, input connects dish axle 43, first rolling bearing units 44, reverse gear 45 and output connect compositions such as dish axle 46, reverse gear handgrip 41, first rolling bearing units 44 and reverse gear 45 all are fixed on the frame fitting 14, input connects the flower wheel 576 that dish axle 43 is used for installing stepless variable drive (CVT), accept and transmit the power of driving engine output, output connects dish axle 46 and is used to install reverse gear sprocket wheel 502 and parking brake dish 324, and gives center sprocket wheel 503 in the driving system 50 with the transmission of power of driving engine output.Described reverse gear 45 is provided with a D Drive, one retreats shelves, the box reverse gear of a single pole fork steering unit, the structure dexterity only need be pulled the reverse gear handle during use, pulling reverse gear push-pull cable, stir the single pole fork steering unit on the box reverse gear, change the direction that reverse gear output connects the dish axle, vehicle is advanced or move backward control comfort.

As shown in Figure 9, driving system 50 of the present utility model is used for giving drive wheels with the transmission of power of driving engine output, makes the road surface to tractive force of drive wheels effect, promotes vehicle '.It by diff suspension gear 51, diff lock 52, diff 501, reverse gear sprocket wheel 502, center sprocket wheel 503, transmission minor axis 504, transmission long axis 531, transmission square beam (505,530), second rolling bearing units 506, the 3rd rolling bearing units 532, third axle hold 507, composition such as synchronous belt 508 and trailing wheel semiaxis 509.The power of driving engine output passes to reverse gear sprocket wheel 502 through stepless variable drive (CVT), reverse gear 45, after passing to center sprocket wheel 503 again, successively through diff 501, transmission minor axis 504, transmission long axis 531, transmission square beam (505,530), synchronous belt 508 passes on the trailing wheel semiaxis 509, drives the various motions that trailing wheel 92 is realized vehicle.Transmission minor axis 504 by third axle hold 507, clutch shaft bearing 511 is fixed therein on a transmission square beam 505 and the center sprocket wheel 503, transmission long axis 531 is fixed on frame fitting 14 and another transmission square beam 530 by second rolling bearing units 506 and the 3rd rolling bearing units 532.Transmission square beam (505,530) except that being used to install parts such as transmission minor axis 504, transmission long axis 531, synchronous belt 508, trailing wheel semiaxis 509, brake cylinder 315, make the relative axial position of left and right driving wheel fixing outside, also be used to install rear wheel suspension device 62, bear counter-force and moment that drive wheels transmits, and power transmission between drive wheels and suspension.Drive the trailing wheel 92 except that installing on the trailing wheel semiaxis 509, brake disc 316 also is installed.Described transmission square beam is installed on the vehicle frame, transmission minor axis or transmission long axis are bearing on the transmission square beam by bearing, the transmission square beam can be beated by certain track is upper and lower around transmission minor axis or transmission long axis, overcome because of the stressed excessive trailing wheel introversion that causes of transmission square beam, quickened tire worn-down bad phenomenon.The afterbody transmission of described driving system is set to the synchrodrive strap drive, rather than the chain-driving that generally adopts, the driving efficiency height, and noise is little during work.

As shown in figure 10, the utility model is provided with diff suspension gear 51, and it is made up of center sprocket wheel 503, clutch shaft bearing 511, bearing seat 512 and second bearing 513.Mounting center sprocket wheel 503 on the right-hand member housing of diff 501, a clutch shaft bearing 511 is housed in the center sprocket wheel 503, clutch shaft bearing 511 is installed on the transmission minor axis 504, installation shaft bearing 512 on the left end housing of diff 501, one second bearing, 513, the second bearings 513 are housed in the bearing seat 512 to be installed on the transmission long axis 531.After diff suspension gear 51 is installed in diff 501 two ends, diff 501 need not be installed on the back axle again, but directly link to each other with jackshaft, the work of diff is more steady, this is because at first two semiaxis have been realized with diff concentric, secondly axle side gear is not bearing moment of flexure, help reducing the wearing and tearing between axle side gear and differential casing like this, played fully diff has been installed in effect identical on the back axle, thereby improved the service life of diff greatly, and simplified the structure of driving system, and alleviated complete vehicle quality, use maintenance also very convenient.

As shown in figure 11, the utility model is provided with diff lock 52, and it is made up of claw collar 521, fork bar 523, steel ball 524, compression spring 525 and holding screw 526.In diff suspension gear 51, diff 501 is installed a center sprocket wheel 503, be processed with the inner teeth tooth that is meshed with claw collar 521 on the center sprocket wheel 503, claw collar 521 is installed on the transmission minor axis 504, can be along transmission minor axis 504 side travels, fork 522 is installed on the claw collar 521, fork bar 523 is connected with fork 522 and is fixed on the frame fitting 14, can drive fork 522, claw collar 521 side travels, steel ball 524, compression spring 525 and holding screw 526 are installed on the claw collar 521.Unclamp holding screw 526 earlier, stir fork bar 523 again, drive fork 522, claw collar 521 side travel left, when claw collar 521 and center sprocket wheel 503 mesh together, because center sprocket wheel 503 is installed on the housing of diff 501, diff 501 and transmission minor axis 504 are locked together, diff rotates with the transmission minor axis, diff does not play differential action, that is to say the diff locking.At this moment, tighten holding screw 526, compress compression spring 525 steel ball 524 is embedded in transmission minor axis 504 upper grooves, in the vehicle ' process, throw off because of vibration and center sprocket wheel 503 to prevent claw collar 521.Unclamp holding screw 526, stir fork bar 523, drive fork 522, claw collar 521 side travel to the right, allow claw collar 521 and center sprocket wheel 503 be separated, diff 501 is not locked together with the transmission minor axis, and diff begins to play the effect of differential again.

When being difficult to walk, sails when travelling on the highway section (as highway sections such as sandy beach, mire, ice and snow) sand beach cross-country bicycle, use diff lock, make diff inoperative, can make full use of ground-surface adhesion value like this, make tractive force reach possible maxim, improved the crossing ability of vehicle.When sand beach cross-country bicycle is expert at that rolling away from is difficult to walk sails the highway section and enter better highway section, should in time unclamp this device, with the adverse consequences of avoiding occurring bringing because of the effect of indifferential device.Like this, guarantee that vehicle can adapt to various complex-terrains, improved the Combination property of vehicle.

As Figure 12, shown in Figure 13, suspension of the present utility model 60 (also can be the two-wheeled independent suspension frame unit for the four-wheel independent suspension frame unit, promptly have only front-wheel to adopt independent suspension frame unit, and trailing wheel still adopts traditional shaft type car wheel structure, present embodiment adopts the four-wheel independent suspension frame unit as preferred embodiment), its effect is flexibly to connect main car frame, relax the impulsive force that vehicle is subjected in the driving vehicle, guarantee comfort of drivers and passengers, decay is because the vibration that elastic element causes, transmit counter-force and moment thereof, wheel is beated by the relative vehicle frame of certain track, guarantee the cruising of vehicle.It comprises front wheel suspension device 61 and rear wheel suspension device 62.As shown in figure 12, described front wheel suspension device 61 by connection pipe 613 under connection pipe 612, the front-wheel on vibration damper complement 611, the front-wheel, left steering joint 614, and right steering joint 615 etc. form, vibration damper complement 611 upper ends are connected with frame fitting 14, the lower end is connected with connection pipe 612 on the front-wheel, front-wheel 91 is connected with left steering joint 614, right steering joint 615 respectively, and the track arm of left steering joint 614 and the left steering intermediate rod 24 on the steering swivel system, the track arm of right steering joint 615 and the right steering intermediate rod 27 on the steering swivel system 20 connect together; As shown in figure 13, described rear wheel suspension device 62 is made up of rear shock absorber assembly 621, and rear shock absorber assembly 621 upper ends are connected with frame fitting 14, and the lower end connects with two transmission square beams (505,530) respectively.No matter be bracket of shock absorber 611, or the cylindrical shell stroke in the rear shock absorber assembly 621 all can adjust, so just can adjust the ground Clearance on main car frame 11 chassis, satisfy the demand that vehicle adapts to various complex-terrains.When vehicle ', owing to no matter be front-wheel, trailing wheel, still all there is not axletree to connect between left and right the wheel, can press certain relative vehicle frame self-movement of track separately, be independent of each other, therefore improve tire greatly to ground-surface adhesive ability, various different road surfaces have been had good comformability, guaranteed vehicle travelling comfort and road-holding property on uneven road surface or complex road surface.

As shown in figure 14, power system 70 of the present utility model mainly is made up of driving engine 71, fuel tank 72, oil pipe 73, driving wheel 574 in the driving system 50 is installed on the output shaft of driving engine 71, driving wheel 574 is connected respectively with drive belt 575 (can also be sprocket wheel), flower wheel 576, throttle drag-line 577, air door drag-line 578 and Das Gaspedal 579 more successively, wherein transmission driving wheel 574, flower wheel 576 have adopted V band inertia CVT structure, have realized stepless variable drive.Driving engine 71, fuel tank 72, throttle drag-line 577, air door drag-line 578 and Das Gaspedal 579 all are fixed on the frame fitting 14, and driving wheel 574 is installed on the output shaft of driving engine 71, and the input that flower wheel 576 is installed in gear reversing device 40 connects on the dish axle 43.The engine power that is adopted is powerful, dependable performance.Owing to adopted the CVT positive infinite variable driving device, during use, chaufeur only need be regulated the size of throttle, gets final product the moving velocity of control vehicle, and is simple to operation, and simple in structure, compact, and noise is little.The power system structure that above structure provides for present embodiment, wherein also can on the output shaft of driving engine, connect an intermediate drive spare, as transmission system, being used for changing the rotating speed of output, after this intermediate drive spare is installed on the output shaft of driving engine, connect driving wheel, driving wheel is communicated with flower wheel by driving band again, like this, and after the Transmission effect of driving wheel through the centre, the rotating speed of driving wheel can be improved, thereby changes the output speed of driving engine.

As shown in figure 15, electric system 80 of the present utility model is made up of headlight 81, line bank 82, starter 83, control line 84, storage battery 85, taillight 86, luminous lamp switch 87 and machine oil warning indicator lamp 88 etc., and headlight 81, line bank 82, starter 83, storage battery 85, taillight 86, luminous lamp switch 87 and machine oil warning indicator lamp 88 all are fixed on the frame fitting 14.

As shown in figure 16, the utility model has disposed Portable Automatic inflation pump 100, and it is made up of power lead 101, the pump housing 102, air-pressure gauge 103 and tracheae and valve 104 etc.During use, power lead 101 is connected with storage battery 85 in the electric system 80, and tracheae is connected with front-wheel 91 or trailing wheel 92 with valve 104.When on sand beach cross-country bicycle is being difficult to walk the highway section, travelling, can exit with 100 pairs of tires of Portable Automatic inflation pump, tire pressure is reduced to 0.4～0.6MPa, increase wheel and ground-surface area of contact, thereby produce bigger friction force, make tire be difficult for slipping, travel easily, help improving the driveability of vehicle; When sand beach cross-country bicycle is rolling away from when being difficult to walk the highway section and entering better highway section, in time use 100 pairs of tires of Portable Automatic inflation pump put on the air to normal barometric pressure (1.2～1.5MPa), to reduce wear on tyres.

Above specific embodiment and accompanying drawing have been explained characteristics of the present utility model and advantage in detail, but detailed statement can not be considered to scope restriction of the present utility model, and protection domain of the present utility model should be as the criterion with the described content of claim.

Claims (14)

1. sand beach cross-country bicycle, mainly form by vehicle frame (10), steering swivel system (20), brake system (30), driving system (50), power system (70), electric system (80) and wheel (90), described wheel (90) is divided into front-wheel (91) and trailing wheel (92), vehicle frame (10) integral seat drops on the wheel (90), and steering swivel system (20), brake system (30), driving system (50), power system (70), electric system (80) all place on the vehicle frame (10); Wherein:

Steering swivel system (20) places the front portion of vehicle frame (10), and steering handwheel (21) of control front-wheel (91) is fixed on the vehicle frame front portion on it;

Brake disc (316) on brake system (30) the middle rolling car brake equipment (31) is installed on trailing wheel (92) or transmission minor axis (504), the transmission long axis (531), and the brake pedal (312) of controlling this brake disc (316) is arranged at the lower front of vehicle frame (10);

It is characterized in that:

Described sand beach cross-country bicycle also includes suspension (60), this suspension (60) is two-wheeled or four-wheel independent suspension, this independent suspension comprises front wheel suspension device (61) and rear wheel suspension device (62), and described vehicle frame (10) then falls within on the wheel (90) by suspension (60) integral seat;

Described driving system (50) is located at the rear portion of vehicle frame (10), and it comprises driving wheel (574), flower wheel (576), two transmission square beams (505,530), and wherein two transmission square beams (505,530) are separately fixed at wheel (90) inboard;

Described power system (70) is located at vehicle frame (10) rear portion, adjacent with driving system (50), power system (70) includes driving engine (71), connects driving wheel (574) on the output shaft of described driving engine (71), and driving wheel (574) links to each other with flower wheel (576) by driving band; Or connect intermediate drive spare on the output shaft of described driving engine (71), driving wheel (574) with link to each other with flower wheel (576) by driving band again after this intermediate drive spare is connected.

2. sand beach cross-country bicycle according to claim 1, it is characterized in that: two transmission square beams (505 in the described driving system (50), 530) be separately installed with synchronous belt (508), trailing wheel semiaxis (509), rear wheel suspension device (62) on, also comprise a diff (501) on the driving system (50), described diff (501) two ends join with transmission minor axis (504) and transmission long axis (531) one ends respectively, transmission minor axis (504) is fixed on the vehicle frame (10) after then passing two transmission square beams (505,530) respectively with all the other two ends of transmission long axis (531).

3. sand beach cross-country bicycle according to claim 1 and 2, it is characterized in that: described driving system (50) also includes gear reversing device (40), described reverse gear apparatus (40) includes reverse gear handgrip (41), reverse gear push-pull cable (42), imports to connect dish axle (43), reverse gear (45) and export to connect and coil spool (46), wherein reverse gear handgrip (41) is located at vehicle frame (10) front portion, and described reverse gear (45) then is located at the rear portion of vehicle frame (10); Reverse gear handgrip (41) is connected with reverse gear (45) by reverse gear push-pull cable (42), reverse gear (45) both sides have input to connect dish axle (43) respectively and output connects dish axle (46), described input connects the flower wheel (576) in dish (43) the connection driving system (50), and output connects upward set reverse gear sprocket wheel (502) of driving system (50) then is housed on the dish axle (46).

4. sand beach cross-country bicycle according to claim 1, it is characterized in that: also be provided with holding brake device (32) in the described brake system (30), this holding brake device (32) comprises Parking handgrip (321), handgrip drag-line (322), parking brake pincers (323), wherein Parking handgrip (321) is fixed on vehicle frame (10) the place ahead, and parking brake pincers (323) also connect the brake disc (316) on the control service brake device (31).

5. sand beach cross-country bicycle according to claim 3, it is characterized in that: also be provided with holding brake device (32) in the described brake system (30), this holding brake device (32) comprises Parking handgrip (321), handgrip drag-line (322), parking brake pincers (323) and parking brake dish (324), wherein Parking handgrip (321), parking brake pincers (323) are fixed on the vehicle frame (10), and parking brake dish (324) is installed in that set output connects on the dish axle (46) in the gear reversing device (40).

6. according to claim 1 or 4 or 5 described sand beach cross-country bicycles, it is characterized in that: service brake device (31) left and right sides in the described brake system (30) is separate, controls two brake discs (316) that are installed on the trailing wheel (92) respectively separately by two brake pedals (312).

7. sand beach cross-country bicycle according to claim 2, it is characterized in that: the diff (501) in the described driving system (50) is provided with diff suspension gear (51), it mainly comprises center sprocket wheel (503) and some bearings, mounting center sprocket wheel (503) on the right-hand member housing of diff (501) wherein, one bearing (511) is housed in the center sprocket wheel (503), bearing (511) is installed on the transmission minor axis (504) of described driving system (50), installation shaft bearing (512) on the left end housing of diff (501), a bearing (513) is housed in the bearing seat (512), and bearing (513) is installed on the transmission long axis (531).

8. sand beach cross-country bicycle according to claim 7, it is characterized in that: described diff suspension gear (51) one sides are equipped with diff lock (52), it mainly comprises claw collar (521), fork (522), fork bar (523), steel ball (524), compression spring (525) and holding screw (526), it is to be processed with the inner teeth tooth that is meshed with claw collar (521) on the center sprocket wheel (503) of diff suspension gear (51), claw collar (521) can along transmission minor axis (504) side travel be installed on the transmission minor axis (504), fork (522) then is installed on the claw collar (521), fork bar (523) is connected with fork (522) and is fixed on the vehicle frame (10), and steel ball (524) is installed on the claw collar (521), compression spring (525) and holding screw (526).

9. sand beach cross-country bicycle according to claim 1, it is characterized in that: contain bracket of shock absorber (611) in the described front wheel suspension device (61), contain rear shock absorber assembly (621) in the rear wheel suspension device (62), described bracket of shock absorber (611) upper end is connected with vehicle frame (10) is anterior, the lower end is connected with connection pipe (612) on the front-wheel, described rear shock absorber assembly (621) upper end is connected with vehicle frame (10) rear portion, and the lower end connects with two transmission square beams (505,530) respectively.

10. sand beach cross-country bicycle according to claim 9 is characterized in that: described bracket of shock absorber (611), rear shock absorber assembly (621) upper shell adopt the member of its stroke of scalable.

11. sand beach cross-country bicycle according to claim 1 and 2 is characterized in that: the driving wheel (574) of described driving system (50), flower wheel (576) adopt the V band inertia type CVT structure that realizes stepless variable drive.

12. according to claim 1 or 4 or 5 described sand beach cross-country bicycles, it is characterized in that: described vehicle frame (10) front portion is provided with the seat (12) of chaufeur, and this seat (12) is front and back adjustable seats.

13. sand beach cross-country bicycle according to claim 3 is characterized in that: described reverse gear (45) is provided with a D Drive, one and retreats shelves, the box reverse gear of a single pole fork steering unit.

14. sand beach cross-country bicycle according to claim 12 is characterized in that: the Portable Automatic inflation pump (100) that can fill automatically, exit front and rear wheel is installed behind the described vehicle frame (10).

Images