CN2737653Y - Single-beam tandem tricycle - Google Patents

Abstract

The single-beam tandem tricycle of the utility model is a household multipurpose tricycle has short braking distance and light weight. The utility model simplifies a Y-type mudsill and two supporting rods of the existing tricycle. A longitudinal beam, the left lateral wall of a carriage and the right lateral wall of the carriage are connected into one tricycle body by a transverse beam. The seat surface of a back seat is a plate spring, the front side and the back side are respectively connected with the carriage through a set of pressure springs and axial hinges, and the back seat also is a shock absorption carriage bottom of the carriage. The shared backrest and a front seat with large seat surface spring can provide sitting gesture to drive the tricycle by feet. In order to prevent a driver from falling, the backrest is provided with a receiving and releasing armrest. Plug bushes are arranged at both sides of the backrest, and the plug bushes are used for plugging a double post folding umbrella-shaped vehicle roof to hang out. In order to improve the efficiency of storage and transport, the tricycle and the carriage can be disassembled into minor assemblies. The brake mechanism converts the dynamic energy of carriage wheels into brake energy, and the utility model can apply or cancel the frictional force for the cover tyre of the back wheel. The end frame is received to form a container to load objects, and the end frame is released to form a chair with a feet support and an armrest to carry human. The front seat is regulated at a low altitude to form a body building exerciser.

Description

The light and handy three-wheel vehicle of single-beam string seat

Affiliated technical field

The utility model relates to that manpower drives and the power-assisted Mechanical Driven, have the landway traffic tool of two rear wheels of a front vehicle wheel, manned, loading.

Background technology

At present, though known manual tricycle kind model is many, but the agent structure of car body and braking mechanism all are the realizations with a kind of technical scheme, its overall force transferring structure is made up of ' the fork-shaped bottom girder that connects axis and railway carriage ', ' camber beam between front fork and the vehicle seat ', ' two hounds at camber beam rear ', and the three is interconnected to ' being with the space truss of an outer Shen fork-shaped bottom girder ' structure.Its braking mechanism all to the wheel shaft stop of rear wheel, is turned flexibly for satisfying, and it is differential causing two rear wheels of three-wheel vehicle, so ground can only provide ' force of sliding friction ' to an active rear wheel, so braking distance is longer, and the brake actuating force is bigger than normal.

Under the usage condition that does not transport big goods, parcel, for example as the Personal Transporter, railway carriage carries a people, then exposes the intrinsic weakness of these three-wheel vehicle technical schemes significantly: the front-wheel load is too big, and the trailing wheel load is too little, causes the three-wheel vehicle deadweight bigger than normal; Braking distance is oversize; It is not good enough with the car posture that its vehicle seat provides, and traveling comfort is not good enough, is unfavorable for lessening fatigue; Have any problem and the old people that drives for standing with one foot to the knee, the inconvenience of getting on or off the bus, also dangerous, when driving to run into rough sledding, can fall.

Summary of the invention

The technical problems to be solved in the utility model is as follows:

For overcoming the deficiency of existing three-wheel vehicle, adapt to the social demand of samll cities and townsization, aging, for a kind of suitable vehicle of home interior,, take into account other people and use, as walking-replacing tool, manned loading, health and fitness facilities based on the elderly's use.Shorten on the one hand the minor increment of brake, prevent from the other hand that the car user from falling to get injured by a fall, and then improve safety, satisfy old and the person's of having any problem that stands with one foot to the knee specific demand; Alleviate the deadweight of three-wheel vehicle, improve the validity of delivery, reduce expenditure of energy; Improve and use the car posture,, increase the quick dispatch hood, improve drive people and rider's traveling comfort to lessen fatigue; Reduce total cost; Increase body-building function.

The technical scheme that its technical matters that solves the utility model adopts is as follows:

Remove that front-wheel, front fork, steering handle, the pin continue to use existing three-wheel vehicle are stepped on, sprocket wheel, chain, ratchet, trailing wheel, front axle, axis, rear axle, and outside the technology of each bearing, three-wheel vehicle is carried out comprehensive innovative design.Adopt string seat, low center of gravity, tailheaviness layout, the people's both feet of driving that are sitting on the front seat can be stepped on the ground simultaneously, and reduce that the people that drives crosses over longitudinal beam when getting on the bus from ground lift the leg height, the people's that drives center of gravity is arranged in the rear of axis, can alleviate the deadweight of this car, can reduce the front seat height again, reach and reduce the height of pin, realize the body-building function that strengthens the lower limb blood circulation, delays ' leg is old ' to heart.Under the prerequisite that guarantees three-wheel vehicle stability, road-holding property quality, make car body and cargo-carring combined gravity near in the afterward limit of center of gravity that allows, this just alleviates the load of front-wheel significantly, increase the load of trailing wheel, so that excavate, utilize the potential bearing capacity of railway carriage and trailing wheel, make the structure stress equilibrium, accomplish to simplify structure, expendable weight.

Overall force transferring structure of the present utility model had not both had the fork-shaped bottom girder of railway carriage below, there is not the strut between front seat and the railway carriage again, the leading portion of this overall force transferring structure is a longitudinal beam, its structure is single-beam or roof beam structure, and back segment is a railway carriage, and the two connects into an integral body with one group of crossbeam, one group of crossbeam can be two beams, also can be a beam, reduce the height of longitudinal beam and crossbeam junction, reach the setting height(from bottom) of health and fitness facilities requirement to guarantee front seat.There is a shared backrest railway carriage top, and there is handrail the top of railway carriage both sides, and this handrail also is the mudwing of trailing wheel.Front seat before the backrest is installed on single-beam or the roof beam structure, and the back vehicle seat behind the backrest is installed in the railway carriage.The end frame of an energy around the upset of falling hinger axle arranged in the three-wheel vehicle rear end, upwards upset end frame is also located, the end frame of packing up constitutes the frame that encloses of railway carriage rear end, upset end frame is also located downwards, the end frame that puts down constitutes the cripple that supports rider's pin, and railway carriage becomes backrest, the chair of handrail, cripple.The kinetic energy that utilizes three-wheel vehicle to advance makes wheel drive braking mechanism to wheel stop, rotates left and right braking mechanism synchronously, makes it apply friction force to left and right two rear tires simultaneously, realizes left and right two trailing wheels are braked simultaneously.The sleeve of backrest both sides is used for the two column hoods of plug-in mounting, lifts plug-in.Two kinds of preferred overall force transferring structures are arranged, one, single-beam and the left and right sidewall of railway carriage connect into the overall force transferring structure of three-wheel vehicle longitudinally one only to close the section crossbeam with one, single-beam is that a mono-, back segment cross-sectional plane (section factor) are than the big Guan Liang of leading portion cross-sectional plane (section factor), for increasing section factor, design near equal strength, single-beam back segment cross-sectional plane also can be figure of eight pipe or become the section shape tube, the middle part of closing the section crossbeam is connected with the rear end of single-beam, and the left and right end that closes the section crossbeam is connected with the left and right sidewall of railway carriage respectively.They are two years old, only close the section crossbeam a roof beam structure and a railway carriage left side longitudinally with one, right side wall connects into the overall force transferring structure of three-wheel vehicle, roof beam structure is a kind of compound beam, by a bend pipe that waits section, the support of the bend pipe back lower place, the pull bar of below or bracing cable are formed, this bend pipe is connected with the upper end of support in the front seat installation place, the lower end of support is connected with the turning point of pull bar or bracing cable, the two ends of pull bar or bracing cable are connected with bend pipe, the middle part of closing the section crossbeam is connected with the rear end of bend pipe, and the middle part of closing the section crossbeam is connected with the rear end of pull bar or bracing cable, close the left side of section crossbeam, right-hand member respectively with a railway carriage left side, right side wall connects, the optimum structure form of body side wall is a thin-walled beam, next is rigid frame (its node bears moment of flexure) or truss, is used to install the support arm of rear-wheel bearing or support and body side wall and links into an integrated entity.The front end of single-beam or roof beam structure is connected with front fork, and the below that its middle part bending (bending) is located is connected with axis, is used for manpower and drives; When adopting the power-assisted Mechanical Driven, installation electrical motor or driving engine on the section crossbeam can closed.

Detachable railway carriage does not have at the bottom of the one's own fixed case, can the back vehicle seat as case at the bottom of usefulness, the back bar of railway carriage both sides can carry the bigger weight of volume.For improving storage, conveying efficiency, railway carriage can be disassembled into the high widgets of capacity utilization.With bolt or quick-release fastener the left and right sidewall of railway carriage, backrest, one group of crossbeam links into an integrated entity, and just has been assembled into railway carriage, body side wall adopts thin walled beam structure, also can adopt rigid frame or truss.Opposite with package program, take out bolt or quick-release fastener, railway carriage is disassembled into left and right body side wall, backrest, single crossbeam.Railway carriage also can have at the bottom of the fixed case that links into an integrated entity with body side wall, becomes to unload railway carriage.Handrail is housed on body side wall, also uses as mudwing.Sleeve above the railway carriage, on the angle section column of backrest both sides is used for plug-in mounting hood column, also be used to lift plug-in, to enlarge loading space.

For making old person, very healthy weakling's safety car, retractable front seat handrail is housed in the front upper place of railway carriage, left and right handrail symmetry, this handrail is a cantilever beam structure, its root is hinged with bolt shaft and armrest seat, and armrest seat and backrest are affixed, and the handrail of setting level uses for the people that drives, the handrail of packing up is erected at the top of backrest, and the people that conveniently drives gets on and off.

The end frame that has an energy to spin upside down in the rear end of three-wheel vehicle around horizontal shaft, stowed end frame and location, the end frame becomes fence, and railway carriage is used for loading.Put down end frame and location, railway carriage is used for manned, is a kind ofly to provide the pipe beam or the plate-girder of antagonistic force to sole away from the end epistylium limit of horizontal shaft, is called and fixedly takes the pin beam, and this is simple and easy cripple; Or there is the double-type support arm sleeve in the left and right sides end frame both sides, respectively there is a support arm plug at the two ends that quick-release is taken the pin beam, the support arm sleeve of end frame both sides contains quick-release takes the support arm plug at pin beam two ends, the support arm sleeve is a hole axle running-fit with cooperating of support arm plug, quick-release is taken in any a pair of support arm sleeve in support arm plug energy insertion end frame both sides at pin beam two ends, take the pin height by what the rider needed, the plug-in mounting quick-release is taken the pin beam on the end frame, this plug-in mounting the quick-release end frame of taking the pin beam just become adjustable cripple.

Be the shortening braking distance, and reduce the actuating force of braking, increase the arm of force on the one hand wheel stop, the kinetic energy that utilizes three-wheel vehicle to advance on the other hand, make wheel drive braking mechanism, and two trailing wheel outer rims are applied friction force synchronously, realize the double rear wheel synchronous brake wheel stop.Mechanism after Transmission is called braking mechanism, the braking mechanism that the tire outer rim is applied friction force is made of brake tile, rocking arm, brake tile axle, be called brake tile with the structure of tire outer rim curved surface contact friction; an end of rocking arm and brake tile is affixed is integral; the rocking arm other end and brake tile axle are affixed or hinged; the brake tile axle mounting is on the car body of three-wheel vehicle; if affixed; then brake tile axle, rocking arm rotate relative to car body together with brake tile; as if hinged; then the relative car body of brake tile axle is static, and brake tile rotates relative to car body together with rocking arm.Brake tile friction curved surface contains tire outer rim curved surface, brake tile symmetrical plane and tire symmetrical plane coplane, the crossing point of axes of this plane and brake tile axle is called the brake tile center of turn, determines the installation position of brake tile relative wheel by " pointing to ' line of brake tile center of turn and wheel center ' with the instantaneous tangential speed of the tire of brake tile contact site ".During brake, handling brake handle makes brake tile to being rotated by the car wheel covering of stop, make brake tile friction curved surface contact and compressed tires outer rim curved surface, after brake tile friction curved surface is pressed onto tire outer rim curved surface, the stop friction force that brake tile acts on cover tire stops wheel to rotate forward, meanwhile, the antagonistic force of this stop friction force, be the antagonistic force of wheel to brake tile, brake tile is further rotated to cover tire, further compress cover tire, cover tire is produced additional stop friction force, this two stop friction force is superposition in the same way, makes the stop friction force accelerated growth with the growth of brake actuating force behind the superposition, and the stop friction force of accelerated growth stops operating wheel.When removing brake, handle brake handle and make brake tile tyre rotation dorsad, disengage.

Be the guarantee people's traveling comfort of driving, and, create conditions for using the bigger sufficient propulsive effort of stepping on, adopt big seat surface Damping seat of vehicle and backrest, its posture of driving is that the seating posture is stepped on sufficient driving to the front lower place.The seat surface edge of front seat contains the people's that drives buttocks sitting posture contact surface edge, before the seat surface essential part be shaped as rectangle, its outshot in front is the shape of a hoof, before seat surface be installed on the laminated spring that planar development is shaped as rectangle, a laminated spring left side, right both sides the make progress flange and the preceding seat surface bolt together of crimp, the downward longitudinally crimp in laminated spring middle part is connected with an intubate of below, front stall is installed on the overall force transferring structure of three-wheel vehicle by this intubate, be the intermountable between assurance and the common vehicle seat, the diameter of this two intubate is identical, with box lunch without handrail, backrest adopts when riding the appearance driving, and common vehicle seat can change the outfit.When the sitting posture vehicle seat is dropped to extreme lower position, just reduced the height of heart significantly to pin, promote the lower limb blood circulation, it is old to delay leg, and this utility model just becomes health and fitness facilities.

For ensureing rider's traveling comfort, the seat surface aspect of back vehicle seat is a rectangle, block surface structure is a kind of mono-or compound two side plate springs of supporting, it is macroscopic that this laminated spring can provide, tangible elastic bending deflection, this flexural deformation has reduced the maximum contact stress between seat surface and buttocks, soft comfortable, support the limit to be connected with railway carriage for one by the axle hinge, another supports the limit to be connected with railway carriage by one group of damping compression spring, in this spring assembly junction, the bolt group of holddown spring is housed, be used for regulating ' spring assembly begins to occur the actuating pressure of compression displacement ', to mate, more comfortable with rider's body weight.

Be sun-shading rain-proof, convenient and practical, the two column hoods of quick dispatch of outfit are arranged.The two column hoods of quick dispatch are a kind of symmetrical pair of column folded umbrellas, and the rectangular pyramid umbrella cover is made by four blocks of triangle umbrella cloths, and when umbrella cloth was rectilinear triangle, umbrella cover was the plane rectangular pyramid, and the umbrella bar is in line; When umbrella cloth was arc triangle, umbrella cover was the curved surface rectangular pyramid, and after the parachute-opening, the umbrella bar is become curve by the umbrella cloth stretch bending.Four crest lines of umbrella cover are connected with cooresponding four umbrella bars.Right umbrella stand has the column of twin columns articulated joint by a top, and all there is the slip ring joint of post hinge on a forward and backward limit, two identical struts, and two identical umbrella beams, two umbrella bars, the hinge joint at place, a umbrella top is formed.The post hinge line at strut two ends is parallel to each other, before, the rear pole upper end is respectively with preceding, the middle part fork ear of latter two umbrella beam is hinged, before, the lower end of latter two strut respectively with the slip ring joint before, the back vent ear is hinged, the slip ring joint can slide up and down along column, before, the inner of latter two umbrella beam is hinged with the twin columns articulated joint on column top respectively, before, the intersecting axle articulated joint of latter two umbrella beam outer end is respectively with preceding, back umbrella bar middle part monaural is hinged, the shaft axis of this intersecting axle articulated joint and umbrella beam axis coaxle, the intersecting axle articulated joint can be around umbrella beam axis, rotate relative to the umbrella beam, the fork ear on umbrella bar top and umbrella top hinge joint are hinged, with pivot pin (flange rivet) they are hinged to a mechanism.Column, strut, umbrella beam coplane, on the slip ring joint, move on to deployed condition, when the axis of former and later two umbrella beams and hinge conllinear thereof, locked, this moment, umbrella beam axis and two umbrella bar line of centerss constituted triangle, the side umbrella cover is opened, the side umbrella cover with the umbrella bar can be together around umbrella beam axis, rotate relative to column.Left side umbrella stand and right side umbrella stand symmetry are hinged to a hinge to the left and right hinge joint at place, umbrella top with a pivot pin, and the hinge shaft axis is parallel with left and right umbrella cover intersection.After left and right slip ring joint moves on to the position on all, be locked, again two column lower ends are inserted on the railway carriage in the cooresponding sleeve, so left and right umbrella cover wraps a page rotating shaft and rotate in place, this folded umbrella is opened fully, so far, the two column hoods of quick dispatch are mounted and finish.The program that unloads hood is opposite with the program that hood is installed, from the sleeve of railway carriage both sides, extract column, take off hood, rotate the column of and arranged on left and right sides respectively, make the umbrella bar coplane of column and homonymy after, again the slip ring joint of and arranged on left and right sides is moved down into and close the umbrella attitude, umbrella bar, umbrella beam, strut, column are closed up, close up left and right umbrella stand again, be folded into umbrella cover and close the umbrella attitude, live umbrella stand with the umbrella cover winding up that exposes, be convenient to deposit.

The beneficial effects of the utility model are as follows:

Improved safety---the people's HOP ON of driving, need not set foot on pin and step on, longitudinal beam can be crossed over easily once lifting leg in foot-operated ground, directly is sitting on the vehicle seat, and both sides have handrail to block to protect, and there is backrest dependence the back, avoids falling injured.Radius of wheel is the maximum brake arm of force, and, when the stop friction force of brake and its positive pressure with joint efforts near the brake tile shaft axis time, then almost drive brake tile extruding cover tire by wheel entirely, make the brake actuating force near zero, so the brake actuating force is little, easy to operate.The tailheaviness layout makes the trailing wheel load increase to 1.4 times, add left and right trailing wheel is implemented two-wheel brake (cliding friction force rate single-wheel brake in ground doubles), make the minimum value of braking distance dwindle 2.8 times, greatly shortened minimum braking distance than existing three-wheel vehicle.

Having improved traveling comfort---vehicle seat, backrest, handrail, cripple provide comfortable sitting posture, and be more comfortable than existing three-wheel vehicle, alleviates drive people and rider's fatigue, also has hood, can be sun-proof, rainproof.

---under identical contrast condition---people's design weight equates to have alleviated the three-wheel vehicle deadweight, wheel base equates, railway carriage is equally big, the overload factor correspondent equal of three directions, adopt same material, residual intensity is the same, has only the structure difference, and the comparison between calculation results of this utility model and the deadweight of existing three-wheel vehicle shows: the weight that this car alleviates is equivalent to 50% of the existing overall force transferring structure of three-wheel vehicle (space truss fork-shaped bottom girder) weight approximately.(the major technique measure that alleviates the three-wheel vehicle deadweight has: one, move the external load and each internal force that not only reduce front-wheel, front vehicle body significantly after the center of gravity, and also reduce the moment of flexure of aftercarriage effectively; Its two, this scheme makes body construction realize that the shortest power transmission route combines with high efficiency load-carrying construction mode; Its three, members have multiple use concurrently, the structure composition utilization; Its four, utilize the potential bearing capacity of existing three-wheel vehicle railway carriage, trailing wheel, rear axle, and do not make its weightening finish.)

Good manufacturability---car body scheme after simplifying make the part configuration simple and easy, be the simple geometric shape, can adopt finished product, half-blank, little, the easy processing of processing capacity morely, the number of packages of part is less, the junction is also less, work capacity is just less, is easy to produce good manufacturability.

Reduced significantly that total cost---car body is in light weight, the material saving reduces material cost; Easily processing, and processing capacity is less, reduces production costs; This three-wheel vehicle detachably becomes the space availability ratio height, the little assembly set that takes up room, and also can connect into three-wheel vehicle to each little assembly set that takes up room with bolt, then reduces storage, traffic cost, integrates, and significantly reduces total cost.

Improved validity---on the one hand, car body improves delivery validity from heavy and light, and under the identical condition of total weight, then overloading is heavy, under the identical condition of load-carrying, then alleviates total weight, has also just reduced expenditure of energy; On the other hand, backrest provides an antagonistic force forward to the people that drives, this antagonistic force and the synthetic bigger maximum of the people's gravity of the driving power (acting on pin climbs up) of driving, because making a concerted effort of two orthogonal components greater than a component, backrest makes the maximum body weight (gravity) of power greater than the people that drives of driving, and the maximum power of driving of existing three-wheel vehicle equal to drive people's body weight (gravity), so this utility model makes the people that drives act on maximum that pin climbs up the big of the existing three-wheel vehicle of force rate of driving, add this car from heavy and light, make it have acceleration capability and grade climbing performance preferably.

Become health and fitness facilities---because longitudinal beam is lower than railway carriage, has minimum front seat installation site, when front seat is turned down extreme lower position, form the low center of gravity sitting posture and drive, just reduced the height of people's pin of driving significantly to heart, reduce lower limb blood back resistance significantly, promote the lower limb blood circulation, increase the lower limb blood flow, therefore, this car just becomes movable legs and feet, delays the exerciser of ' leg is old ', healthy body and mind, be particularly useful for the elderly, and the people of inconvenient independent ambulation.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the shaft side projection drawing of the embodiment of the utility model total structure, and rear wheel top is broken away.End frame shown in the figure is put down, and constitutes adjustable cripple.The front seat handrail that there is shown the left side is a collapsed state, and the front seat handrail on right side is down state.There is shown and be used for the plug-in mounting hood and lift plug-in sleeve, but not shown hood and plug-in.

Fig. 2 is the shaft side projection drawing of first scheme of the overall force transferring structure of the utility model, and single-beam is embodiment, and body side wall is a structure principle chart, and body side wall embodiment presses Fig. 4.

Fig. 3 is the shaft side projection drawing of the alternative plan of the overall force transferring structure of the utility model, and roof beam structure is embodiment, and body side wall is a structure principle chart, and body side wall embodiment presses Fig. 4.

Fig. 4 is the shaft side projection drawing of the railway carriage constructed embodiment of the utility model, and the compartment illustrates by the state after assembling.

Fig. 5 is cripple structure of the utility model and the shaft side projection drawing of associated components embodiment, and the adjustable pin beam of taking illustrates by the state of unloading.

Fig. 6 is the utility model shaft side projection drawing of seat structure embodiment before.

Fig. 7 is the utility model shaft side projection drawing of seat structure embodiment afterwards.

Fig. 8 is the cutaway view of Fig. 7 at A-A tangent plane place.

Fig. 9 is the lateral plan of the two column hood open configurations of quick dispatch of the utility model, and this hood is an a kind of pair of column folded umbrella, and umbrella stand embodiment, not shown umbrella cover only are shown among the figure.

Figure 10 is the back view of the two column hood open configurations of quick dispatch of the utility model, and this hood is an a kind of pair of column folded umbrella, and umbrella stand embodiment, not shown umbrella cover only are shown among the figure.

Figure 11 is the lateral plan of the two column hood closure states of quick dispatch of the utility model, and this hood is an a kind of pair of column folded umbrella, and umbrella stand embodiment, not shown umbrella cover only are shown among the figure.

Figure 12 is the back view of the two column hood closure states of quick dispatch of the utility model, and this hood is an a kind of pair of column folded umbrella, and umbrella stand embodiment, not shown umbrella cover only are shown among the figure.

Mark and corresponding title 1 steering handle thereof among the figure, 2 front forks, 3 front-wheels, 4 sprocket wheels; 5 pin are stepped on; Rocking arm, 6 chains, 7 ratchets, 8 rear axles; 9 trailing wheels, 10 single-beams, 11 single-beam leading portions, 12 single-beam back segments; 13 front fork bearing seats, 14 bottom bracket bearing seats, 15 bases, 16 auricles; 17 bend pipes, 18 bracing cables, 19 supports, 20 front seat; 21 front seat surfaces, 22 flat springs, 23 intubate, 30 body side walls; 31 close the section crossbeam, 32 angle sections, 33 times edge strips, 34 outer edge strips; 35 webs, 36 ring flanges, 37 bracket of back axle, 38 stiffeners; 39 angle braces, 40 rear axle support arms, 41 brake tiles, 42 rocking arms; 43 brake tile axles, 45 brake levers, 50 rear vehicle seats; Seat surface on 51,52 steel plate veneers, 53 end ear angle sections; 54 Compress Springs, 60 cripples, 61 fixedly take the pin beam; 62 sides, 63 support arm sleeves, 64 angle sections; 65 grizzly bars, 66 pipe beams, 67 support arm plugs; 68 hole ears, 69 bolt shaft (bolts; Nut), 70 backrests; 71 front seat handrails, 72 armrest seats, 73 sleeves; 74 angle section columns, 75 back bars, 78 stop angle sections; 79 latches, 81 columns, 82 slip ring joints; 83 twin columns articulated joints, 84 struts, 85 umbrella beams; 86 intersecting axle articulated joints, 87 umbrella bars, 88 hinge joints.

The specific embodiment

Each metal parts (except the person of indicating) is used tubing, angle section, wire rod, sheet material manufacturing respectively.See Fig. 1,2,3, be welded into single-beam (10) by single-beam leading portion (11), single-beam back segment (12), front fork bearing seat (13), bottom bracket bearing seat (14), base (15).By front fork bearing seat (13), bottom bracket bearing seat (14), base (15), auricle (16), bend pipe (17), bracing cable (18), support (19) is welded into roof beam structure.Front fork bearing seat (13) is connected with front fork (2), steering handle (1), and bottom bracket bearing seat (14) is stepped on pin, rocking arm (5) is connected, and the rear end of roof beam structure or single-beam (10) links into an integrated entity with the middle part of closing section crossbeam (31).See Fig. 4, body side wall (30) is integrally welded by down edge strip (33), outer edge strip (34), web (35), bracket of back axle (37) or rear axle support arm (40), brace panel (38), angle brace (39), angle section column (74).It is integrally welded with flange (36) respectively to close section crossbeam (31) two ends, flange (36) and body side wall (30) are with one group of bolted connection, the two ends of angle section (32) and bracket of back axle (37) bolt together, or the two ends of angle section (32) and rear axle support arm (40) bolt together, backrest (70) and angle section column (74) bolt together, the upper rim and angle brace (39) bolt together of back bar (75) and outer edge strip (34).

See the front seat handrail of Fig. 1, with square tube processing front seat handrail (71), armrest seat (72) is a foundry goods, the faceted pebble of the dihedral bottom surface of armrest seat (72) and backrest (70) is fitted, its auricle notch cooperates with the root of front seat handrail (71), front seat handrail (71) is connected with bolt shaft with armrest seat (72), armrest seat (72) and backrest (70) bolt together.

See Fig. 5, cripple (60) is fixedly cripple or adjustable cripple.Fixedly cripple is integrally welded by fixedly taking pin beam (61), side (62), angle section (64), grizzly bar (65), hole ear (68).Be welded into the adjustable pin beam of taking by Guan Liang (66) with support arm plug (67).Go up welding support arm sleeve (63) at the fixing side of cripple (62), adjustable the taking behind the pin beam of plug-in mounting is exactly adjustable cripple thereon.The back lower place of outer edge strip (34) is connected with bolt shaft (69) with side (62).Cripple puts in place around bolt shaft (69) upset downwards, behind stop angle section (78) location, uses for the rider, take off the adjustable pin beam of taking, upwards upset puts in place, with latch (79) hole ear (68) with after outer edge strip (34) is connected, constitute the fence of railway carriage, be used for loading.

See Fig. 6, be bent into laminated spring (22), the bending edge of its below is inserted the notch of intubate (23) upper end with rectangular steel plates, and integrally welded.Be processed into preceding seat surface (21) with laminate, preceding seat surface (21) and laminated spring (22) connected into front seat (20) with bolt.Intubate (23) is inserted base (15), adjust the position of front seat (20) after, use locked with bolts, just finish the installation of front seat (20).

See Fig. 7,8, be processed into seat surface (51), and become a laminated spring with steel plate veneer (52) gluing with laminate.In the front of laminated spring,, constitute an elasticity and support the limit angle section (32) bolt together on laminated spring, compression spring (54), the railway carriage; Back at laminated spring, with bolt laminated spring and end ear angle section (53) are linked into an integrated entity, with bolt shaft the left and right end ear of end ear angle section (53) is connected with the back rim of left and right outer edge strip (34) respectively, constitute a hinged limit of holding of axle, so far, just back vehicle seat (50) has been installed on the railway carriage.

See the brake system of Fig. 1, braking mechanism is made up of brake tile (41), rocking arm (42), brake tile axle (43).Diameter cuts into brake tile (41) greater than one section pipe of tire cross-sectional diameter along the pipe bus; Rocking arm (42) is the cuboid of one section pipe of termination welding, and this pipe endoporus cooperates with brake tile axle (43) cylindrical, is cast as a part again the other end of cuboid and brake tile (41) welding, or them; Brake tile axle (43) is one section pipe, brake tile axle (43) is connected with axle bed (not shown axle bed), axle bed is installed on the brace panel (38) of railway carriage, one end of brake handle (45) and brake tile axle (43) welding, again rocking arm (42) is installed on the brake tile axle (43) together with brake tile (41), adjust the relative position of brake tile (41) and trailing wheel, and use the bolt braking mechanism, the braking mechanism that has assembled must satisfy: brake tile friction curved surface contains tire outer rim curved surface, brake tile symmetrical plane and tire symmetrical plane coplane point to ' line of brake tile center of turn and wheel center ' with the instantaneous tangential speed of the tire of brake tile contact site; Upwards rotate brake handle (45), realize that left and right brake tile contacts synchronously with left and right rear tire, compression rotates brake handle (45) synchronously, realizes that left and right brake tile and left and right rear tire break away from synchronously.

The two column hoods of quick dispatch are symmetrical pair of column folded umbrella.See Fig. 9,10,11,12, process column (81) with pipe; Slip ring joint (82) is a foundry goods, middle circular hole and column (81) running-fit, the monaural running-fit of the ears notch of both sides and strut (84); Twin columns articulated joint (83) is a machined piece, and the side surface running-fit that the notch inside face at two ends and umbrella beam (85) are inner is integrally welded the top of the middle part of twin columns articulated joint (83) and column (81); Process strut (84) with tubing, at the two ends of strut (84) welding monaural joint; With tubing processing umbrella beam (85), its inner is the monaural joint, and the middle part is a fork ear joint, and outer end and intersecting axle articulated joint (86) are hinged; Intersecting axle articulated joint (86) is the foundry goods that an axle head has fork ear joint, the face of cylinder and umbrella beam (85) the outer end endoporus running-fit of axle, annular groove place in end, the contiguous face of cylinder, form cooresponding depression ring along annular groove spinning umbrella beam (85), intersecting axle articulated joint (86) and umbrella beam (85) can only be relatively rotated, and can not relatively move; With tubing processing umbrella bar (87), be welded on the top of umbrella bar (87) with hinge joint (88) pivotally attached fork ear joint, the monaural joint is welded on the middle part of umbrella bar (87); With sheet material processing hinge joint (88); Make the rectangular pyramid umbrella cover with sun-shading rainproof cloth, the cloth bag by the cloth on four crest lines cover and crest line end is connected with cooresponding four umbrella bars (87).The fork ear joint on umbrella bar top and hinge be not with flange rivet hinged (marking among the figure); The intersecting axle articulated joint (86) of umbrella bar middle part monaural joint and umbrella beam outer end is not with flange rivet hinged (marking among the figure); The inner of umbrella beam (85) and twin columns articulated joint (83) be not with flange rivet hinged (marking among the figure); Slip ring joint (82) is enclosed within on the column (81), the monaural joint at strut (84) two ends respectively with umbrella beam middle part fork ear joint and slip ring joint (82) with flange rivet hinged (not marking among the figure); These flange rivets are hinged to a mechanism to them, and the axis of flange rivet is called post hinge line.The post hinge line at strut two ends is parallel to each other, the slip ring joint can slide up and down along column, column, strut, umbrella beam three axis coplanes, move on to deployed condition on the slip ring joint, when the axis of former and later two umbrella beams and hinge conllinear thereof, column and slip ring joint are locked by spring pin (not marking among the figure), this moment, umbrella beam axis constituted triangle with two umbrella bar line of centerss that link to each other, the side umbrella cover is opened, and the side umbrella cover can rotate relative to column together around umbrella beam axis with the umbrella bar.Left side umbrella stand and right side umbrella stand symmetry are hinged to a hinge to the left and right hinge joint at place, umbrella top with a pivot pin, and the hinge shaft axis is parallel with left and right umbrella cover intersection.After left and right slip ring joint moves on to the position on all, be locked, again two column lower ends are inserted on the railway carriage in the cooresponding sleeve, with the lock pin locking, so far, left and right umbrella cover wraps a page rotating shaft and rotate in place, this folded umbrella is opened fully, and the quick dispatch hood is mounted and finishes.The program that unloads hood is opposite with the program that hood is installed, take off hood, rotate the column of and arranged on left and right sides respectively, after making the umbrella bar coplane of column and homonymy, the slip ring joint of and arranged on left and right sides is moved down into close the umbrella attitude again, umbrella bar, umbrella beam, strut, column are closed up, close up left and right umbrella stand again, be folded into umbrella cover and close the umbrella attitude, live umbrella stand, be convenient to deposit with the umbrella cover winding up that exposes.

Claims (10)

1. three-wheel vehicle, overall force transferring structure and two rear wheels of a front vehicle wheel connect into the main body of three-wheel vehicle, the steering handle of handling front-wheel is housed on it, vehicle seat, railway carriage, brake, it is characterized in that: overall force transferring structure is made up of for two sections front and back, link into an integrated entity with crossbeam, leading portion is single-beam or roof beam structure longitudinally, its front end is connected with front-wheel by front fork, have only its rear end to be connected with the middle part of crossbeam, back segment is a railway carriage, a left side, compartment, right side wall is connected with the crossbeam two ends, the compartment is connected with two trailing wheels, there is a shared backrest railway carriage top, there is handrail the top of railway carriage both sides, front seat before the backrest is installed on single-beam or the roof beam structure, back vehicle seat behind the backrest is installed in the railway carriage, the end frame of an energy around the upset of falling hinger axle arranged in the three-wheel vehicle rear end, upwards upset end frame is also located, the end frame of packing up constitutes the frame that encloses of railway carriage rear end, and frame and location are held in upset downwards, and the end frame that puts down constitutes the cripple that supports rider's pin, rotate a left side synchronously, right braking mechanism, make it simultaneously to a left side, right two rear tires apply friction force, realize a left side, right two trailing wheels brake simultaneously, two column hoods of the sleeve plug-in mounting of backrest both sides and lift plug-in.

2. three-wheel vehicle according to claim 1, it is characterized in that: single-beam and the left and right sidewall of railway carriage connect into the overall force transferring structure of three-wheel vehicle longitudinally one only to close the section crossbeam with one, single-beam is that a mono-, back segment cross-sectional plane section factor are than the big Guan Liang of leading portion cross-sectional plane section factor, the middle part of closing the section crossbeam is connected with the rear end of single-beam, and the left and right end that closes the section crossbeam is connected with the left and right sidewall of railway carriage respectively.

3. three-wheel vehicle according to claim 1, it is characterized in that: only close the section crossbeam a roof beam structure and a railway carriage left side longitudinally with one, right side wall connects into the overall force transferring structure of three-wheel vehicle, roof beam structure is a compound beam, by a bend pipe that waits section, the support of the bend pipe back lower place, the pull bar of below or bracing cable are formed, this bend pipe is connected with the upper end of support in the front seat installation place, the lower end of support is connected with the turning point of pull bar or bracing cable, the two ends of pull bar or bracing cable are connected with bend pipe, the middle part of closing the section crossbeam is connected with the rear end of bend pipe, and the middle part of closing the section crossbeam is connected with the rear end of pull bar or bracing cable, closes the left side of section crossbeam, right-hand member respectively with a railway carriage left side, right side wall connects.

4. three-wheel vehicle according to claim 1, it is characterized in that: railway carriage does not have at the bottom of the one's own case, with bolt or quick-release fastener the left and right sidewall of railway carriage, backrest, one group of crossbeam links into an integrated entity, just be assembled into railway carriage, body side wall is thin-walled beam or rigid frame or truss structure, and is opposite with package program, take out bolt or quick-release fastener, railway carriage is disassembled into left and right sidewall, backrest, single crossbeam.

5. three-wheel vehicle according to claim 1, it is characterized in that: retractable front seat handrail is housed in the front upper place of railway carriage, left and right handrail symmetry, this handrail is a cantilever beam structure, its root is hinged with bolt shaft and armrest seat, armrest seat and backrest are affixed, the parallel ground of the handrail of setting level, and the handrail of packing up is erected at the top of backrest.

6. three-wheel vehicle according to claim 1, it is characterized in that: the end frame that has an energy to spin upside down in the rear end of three-wheel vehicle around horizontal shaft, put down end frame and location, end epistylium limit away from horizontal shaft is a kind of pipe beam or plate-girder that sole is provided antagonistic force, be called and fixedly take the pin beam, this is simple and easy cripple, or there is the double-type support arm sleeve in the left and right sides end frame both sides, respectively there is a support arm plug at the two ends that quick-release is taken the pin beam, the support arm sleeve of end frame both sides contains quick-release takes the support arm plug at pin beam two ends, the support arm sleeve is a hole axle running-fit with cooperating of support arm plug, quick-release is taken the support arm plug at pin beam two ends and can be gone into to hold in any a pair of support arm sleeve in frame both sides by plug-in mounting, on demand take the pin height, the plug-in mounting quick-release is taken the pin beam on the end frame, this plug-in mounting the quick-release end frame of taking the pin beam just become adjustable cripple.

7. tricycle according to claim 1; It is characterized in that: the tire outer rim is applied the braking mechanism of frictional force by brake tile; Rocking arm; The brake tile axle consists of; Be called brake tile with the structure of tire outer rim curved surface contact friction; One end of rocking arm and brake tile is affixed is integral; The rocking arm other end and brake tile axle are affixed or hinged; The brake tile axle is installed on the car body of tricycle; If affixed; Brake tile axle then; Rocking arm rotates relative to car body together with brake tile; If hinged; Then the relative car body of brake tile axle is static; Brake tile rotates relative to car body together with rocking arm; Brake tile friction curved surface contains tire outer rim curved surface; Brake tile symmetrical plane and tire symmetrical plane are coplanar; The crossing point of axes of this plane and brake tile axle is called the brake tile center of rotation; The installation position feature of brake tile relative wheel is: the line that points to brake tile center of rotation and wheel center in the instantaneous tangential velocity of tire at contact brake tile position; During brake; Handling brake lever makes brake tile rotate and the compression cover tire to the car wheel covering that is stopped; When removing brake; Handle brake lever and make dorsad tyre rotation of brake tile, disengage.

8. three-wheel vehicle according to claim 1, it is characterized in that: the seat surface edge of front seat contains the people's that drives buttocks sitting posture contact surface edge, this seat surface essential part be shaped as rectangle, its outshot in front is the shape of a hoof, seat surface is installed on the laminated spring that planar development is shaped as rectangle, a laminated spring left side, right both sides the make progress flange and the seat surface bolt together of crimp, the downward longitudinally crimp in laminated spring middle part is connected with an intubate of below, front seat is installed on the overall force transferring structure of three-wheel vehicle by this intubate, when this vehicle seat was dropped to extreme lower position, the utility model had just constituted health and fitness facilities.

9. three-wheel vehicle according to claim 1, it is characterized in that: the seat surface aspect of back vehicle seat is a rectangle, block surface structure is a kind of mono-or compound two side plate springs of supporting, this laminated spring can provide macroscopic, tangible elastic bending deflection, support the limit to be connected with railway carriage for one by the axle hinge, another supports the limit to be connected with railway carriage by one group of damping compression spring, in this spring assembly junction, the bolt group of holddown spring is housed, is used for the actuating pressure that the regulating spring group begins to occur compression displacement.

10. three-wheel vehicle according to claim 1, it is characterized in that: the two column hoods of quick dispatch are symmetrical pair of column folded umbrella, four crest lines of rectangular pyramid umbrella cover are connected with cooresponding four umbrella bars, right umbrella stand is had the column of twin columns articulated joint by a top, before one, all there is the slip ring joint of post hinge the back, two identical struts, two identical umbrella beams, two umbrella bars, the hinge joint at place, a umbrella top is formed, the post hinge line at strut two ends is parallel to each other, before, the rear pole upper end is respectively with preceding, the middle part fork ear of latter two umbrella beam is hinged, before, the lower end of latter two strut respectively with the slip ring joint before, the rear end is hinged, the slip ring joint can slide up and down along column, before, the inner of latter two umbrella beam is hinged with the twin columns articulated joint on column top respectively, before, the intersecting axle articulated joint of latter two umbrella beam outer end and umbrella bar middle part monaural are hinged, the shaft axis of this intersecting axle articulated joint and umbrella beam axis coaxle, the intersecting axle articulated joint can be around umbrella beam axis, rotate relative to the umbrella beam, the fork ear on umbrella bar top and umbrella top hinge joint are hinged, with pivot pin they are hinged to a mechanism, column, strut, umbrella beam coplane, on the slip ring joint, move on to deployed condition, before, when the axis of latter two umbrella beam and hinge conllinear thereof, locked, this moment, umbrella beam axis and two umbrella bar line of centerss constituted triangle, the side umbrella cover is opened, the side umbrella cover can be together around umbrella beam axis with the umbrella bar, rotate relative to column, left side umbrella stand and right side umbrella stand symmetry, with a pivot pin the left side at umbrella top place, right hinge joint is hinged to a hinge, a hinge shaft axis and a left side, right umbrella cover intersection is parallel, work as a left side, right slip ring joint moves on to the position on all, after locked, again two column lower ends are inserted on the railway carriage in the cooresponding sleeve, so, a left side, right umbrella cover wraps a page rotating shaft and rotate in place, this folded umbrella is opened fully, so far, the two column hoods of quick dispatch are mounted and finish, the program that unloads hood is opposite with the program that hood is installed, take off hood from car, rotate a left side respectively, the column of right both sides, after making the umbrella bar coplane of column and homonymy, again a left side, the slip ring joint of right both sides moves down into and closes the umbrella attitude, make the umbrella bar, the umbrella beam, strut, column closes up, close up a left side again, right umbrella stand is folded into umbrella cover and closes the umbrella attitude.

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