CN2036144U - Foldable multifunctional manual tricycle - Google Patents

Abstract

The utility model discloses a foldable multifunctional manual tricycle. The foldable multifunctional manual tricycle conquers the disadvantages of heavy vehicle body, simplex function, no vehicle body folding ability and large area occupying of the present tricycle. While in use, a foldable vehicle hopper framework is adopted, the rim frames of the framework are hinged with each other, and two counter-open type base boards are adopted to be hinged with the rim frames. The length of the folded vehicle body is two thirds of the length of the original vehicle body, the width of the folded vehicle body is one third of the width of the original vehicle body. If the utility model is provided with a telescopic pipe, detachable foot wheels, a platen, a vehicle roof and other accessories; the utility model can be used as a tricycle, a barrow, a dining table, a children bed, a baby-car, a single bed, a sale bus, a working bench, etc.

Description

Foldable multifunctional manual tricycle

The utility model relates to a kind of manual tricycle, the multi-functional manual tricycle of particularly a kind of folding.

General-duty manual tricycle pattern is various now, because its car body is heavy, function singleness particularly because car body can not fold, make carrying extremely inconvenient, and it is big to deposit floor area, so bring very big inconvenience to use.

The purpose of this utility model is to provide a kind of foldable multi-functional manual tricycle.

The purpose of this utility model is achieved in that it is made up of preceding wagon box, back vehicle frame and wheel.Connect with bearing pin between preceding wagon box and the back vehicle frame, actuating device on the back vehicle frame and brake equipment and wheel all adopt the bicycle assembly parts of standard model.Preceding wagon box is made up of framework and base plate, and for alleviating car body weight, framework is made by steel pipe.By two side frames, the framework of the parallelogram of an after-frame and a preceding frame composition is hinged between its side frame and after-frame and the preceding frame.Base plate is the pattern that two fans are split, two side and framework are hinged, and two ends connect with frame fixation by four latches, promptly in two ends of each fan base plate a latch are housed respectively, bolt axle is inserted in the framework, plays the fixation between base plate and the framework.If bolt axle is pulled out, base plate upwards turned over open, the framework of parallelogram just can be fitted with handlebar on the upright beam of side frame to folding up.Active castor can also be equipped with in the lower end of upright beam when needing, when not required can be with its removal.

The utility model also can former frame the entablatrance two ends latch is housed, side frame is hinged with the cross sill of preceding frame and the bolt axle at entablatrance two ends respectively, also be hinged between the upright beam of frame and the cross sill simultaneously, after like this bolt axle being extracted, preceding frame can be fallen, so that the long object of handling goods and shipment.With the car body lengthening, can also in the upper and lower crossbeam of side frame, be fitted with telescopic pipe, and can in the upright beam of telescopic pipe, be fitted with bearing support if desired, bearing support can adopt active castor, also can replace by handlebar, in the time of N/R, can be with the bearing support removal.Be that handlebar also can be inserted in the upright beam of telescopic pipe.

The utility model is simple in structure, in light weight, car body can fold, and brings great convenience to use, and multiple functional, not only can be used as three-wheel vehicle, can also use as hand barrow,, promptly can become mother and baby's car and basket cot if be equipped with car cover and ceiling, if be equipped with platen, just can be used as bench board, mobile store, single bed use.

Below in conjunction with drawings and Examples the utility model is explained in detail.

Fig. 1 is the front view of a kind of specific embodiment of the utility model.

Fig. 2 is the birds-eye view of Fig. 1.

Fig. 3 is the front view of wagon box in the present embodiment.

Fig. 4 is the birds-eye view of Fig. 3.

Fig. 5 is the left view of Fig. 3.

Fig. 6 is the front view of rear drive wheel carrier in the present embodiment.

Fig. 7 is the latch structure scheme drawing of present embodiment.

Fig. 8～9 are the folding forward and backward scheme drawing of present embodiment.

Figure 10～18 are the scheme drawing of the various functions of present embodiment.

With reference to accompanying drawing 1～7, the wheel 3 of present embodiment adopts 26 type standard bicycle quicks.Preceding wagon box 1 and back vehicle frame 2 connect by bearing pin.In order to adapt to the wheel that changes height of the carbody and change different-diameter, the bearing pin of present embodiment comprises lower bearing pin 13 and the upper pin 10 that has adjusting screw(rod), promptly have screw rod in the lower end of lower bearing pin 13, can by nut 14 adjust with car body connect the height.Before hinged between wagon box 1 each parts all be that the form that adopts the core pipe to add moving casing realizes.Concrete structure to front truck bucket 1 elaborates below.Preceding wagon box 1 comprises by side frame 4, framework and base plate 6 that preceding frame 7 and after-frame 5 are formed, the concrete structure of side frame 4 is as follows: the two ends homonymy of entablatrance 32 is welded with two and goes up short sleeve 33, opposite side is welded with outer support 31, be welded with outside support plate 26 below the outer support 31, also be welded with following short sleeve 22 with last short sleeve 33 same diameters at the two ends of cross sill 23 homonymy, the downside of cross sill 23 is welded with inboard support plate 25, mandrel 24 passes from last short sleeve 33 and following short sleeve 22, and moving casing 28 arranged between two short sleeves, last short sleeve 33 and following short sleeve 22 and mandrel 24 welding, side frame is promptly assembled and is finished.Wheel 3 is installed between the medial and lateral support plate of side frame 4, and fastening with nut, for safety, is welded with railing 8 between entablatrance 32 and cross sill 23, and preceding frame 7 is made up of entablatrance 30, cross sill 21 and two upright beams 29.Entablatrance 30 two ends have a latch 37 respectively, after its bolt axle stretches out, just in time be inserted in the short tube 38 that is welded on the moving casing 28, cross sill 21 two ends and moving casing 28 welding, by the connecting mode of above-mentioned bolt axle and cross sill 21 and moving casing 28, the hinged of preceding frame and side frame and location have been realized.Before upright beam 29 upper ends and entablatrance 30 welding of frame, latch 37 is opened in lower end and sleeve pipe 27 welding that are enclosed within on the cross sill 21, the axis that preceding frame 7 promptly can cross sill 21 is that the center upset was fallen, so that handling goods and the shipment object of length.The center of cross sill 21 is welded with front vertical plate 39 downward vertically, the two ends of the upper and lower crossbeam of after-frame 5 respectively with moving casing 28 welding of two side frames 4, promptly realized hinged between after-frame 5 and the side frame 4.For safety, forward and backward frame all is welded with railing, and handlebar 11 is inserted in the telescopic pipe 12, and fixes with jackscrew.

Be welded with the back vertical plate 48 the same with front vertical plate 39 downward vertically at the cross sill center of after-frame, level is welded with lower link plate 15 on back vertical plate 48, and is welded with on the first line of a couplet fishplate bar 9 in level on the handlebar 11, and second line of a couplet fishplate bar 15 is used for and the connection of back vehicle frame 2.

Base plate 6 is made up of two fans, and its frame is welded into by limit pipe 18, base pipe 19 and two short tubes 17 as shown in Figure 4.Short sleeve 22 welding on the outer end of short tube 17 and side frame 4 cross sills 23, thus realize the hinged of base plate 6 two sides and side frame 4.Latch all is equipped with at the two ends of base pipe 19, its structure as shown in Figure 7, it is made up of handle 44, spring 45, bearing pin 46.Be welded with locating bush 47 on front vertical plate on the forward and backward frame and the back vertical plate, after base plate 6 is set level, bearing pin 46 be inserted in the locating bush 47, base plate 6 promptly is fixed.

Have saddle 43 on the back vehicle frame 2, actuating device and brake equipment, brake equipment is made up of stretcher 41, connecting rod 42 and brake 49.The bicycle band-type brake of brake 49 selection standard models, back vehicle frame 2 front portions have a preceding standpipe 40, when connecting with preceding wagon box 1, at first adjustment nut 14, and the height of lower bearing pin 13 and the height of vehicle frame are adapted, and then handlebar 11 raised, the preceding standpipe 40 of back vehicle frame 2 is enclosed within on the lower bearing pin 13, handlebar is fallen, and upper pin 10 is inserted into by last gusset piece 9 in the preceding standpipe 40 of car after-frame 2, i.e. connection finishes.

Be inserted with Contraband shape telescopic pipe 12 in the upper and lower crossbeam of the side frame of present embodiment, car body prolonged, and handlebar 11 can be unloaded, be inserted in the standpipe lower end of telescopic pipe 12, as bearing support.

Fig. 8～9th, the scheme drawing of folding front and back of the present utility model.When the latch at base plate 6 two ends is opened, base plate 6 is upwards turned over put, just car front bucket 1 can be turned up, back vehicle frame 2 can be rolled over forward simultaneously, become appearance as shown in Figure 9.After folding, length is original 2/3rds, and width is original 1/3rd.

Figure 10～18 are the scheme drawing of the various functions of present embodiment.Figure 10 is the scheme drawing of three-wheel vehicle, Figure 11 is for after adding hood on the preceding wagon box 1, and the scheme drawing when using as mother and baby's car, Figure 12 are that the back vehicle frame is laid down, dress is inserted the hand barrow scheme drawing of active castor in core pipe 24, as the back vehicle frame is laid down, load onto active castor below, and be equipped with platen, just can become dining table as shown in figure 13, telescopic pipe is pulled out, with handlebar as a side bearing frame and be equipped with the long table plate, promptly can be as bench board (as shown in figure 14).Wheel is laid down, car body is reduced, re-lay bed board, can become single bed as shown in figure 15.Telescopic pipe is suitably pulled out, and add the canvas hood around, just can become basket cot as shown in figure 16.Figure 17 and shown in Figure 180 be the scheme drawing of marker car or bench board.

Claims (4)

1, the multi-functional manual tricycle of a kind of folding, it comprises preceding wagon box, the back vehicle frame and the wheel that link by bearing pin and preceding wagon box, preceding wagon box is made up of framework and base plate, framework is made by steel pipe, and the framework that it is characterized in that folding parallelogram is by side frame, preceding frame and after-frame is hinged forms, and base plate is two fan opposite openeds, its two sides and framework are hinged, and two ends connect with framework by latch.

2, according to the multi-functional manual tricycle of the said folding of claim 1, the entablatrance two ends of frame have latch before it is characterized in that, side frame is hinged with the bolt axle of the cross sill of preceding frame and entablatrance respectively, also is hinged between the upright beam of preceding frame and the cross sill.

3, according to claim 1 or the multi-functional manual tricycle of 2 said foldings, it is characterized in that being inserted with Contraband shape telescopic pipe in the upper and lower crossbeam of side frame, can be inserted with bearing support in the upright beam of telescopic pipe, bearing support is replaced by active castor or handlebar.

4, according to claim 1 or the multi-functional manual tricycle of 2 said foldings, the bearing pin of wagon box and back vehicle frame is made up of upper pin and lower bearing pin before it is characterized in that connecting, and the lower bearing pin lower end has adjusting screw(rod).

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