CN2183953Y - A folding bicycle - Google Patents

Abstract

A folding bicycle is mainly composed of a frame set, a pedal set, a handle set and other three-part folding structures, wherein when a user puts down a parking frame, the frame can be folded by automatically pressing a fastening hook to release the fastening part, so that a tap can be easily lifted, and the whole frame can be folded towards a rear wheel; when the bicycle frame is to be used, the parking frame can be automatically locked and fixed by returning the parking frame to the original position after the bicycle frame is unfolded; in addition, the pedal group can be folded inwards respectively, and the handle group can be folded downwards conveniently by using a quick-release fastener; by means of the simple folding action, the folding mode which is easier to be accepted by general people can be provided, and the uninterrupted frame structure ensures that the utility model has very reliable safety performance.

Description

Folding bicycle

The utility model provides a kind of folding cycle, refers to that especially a kind of Vehicle Frame Design more simplifies, the folding more design plan of fast speed folding cycle.

Folding cycle is because it is compact, is easy to collect and very meets at present living environment, and have suitable large market.But, several folding cycles of being released in the market, though all have These characteristics, yet in body frame structure for automotive and folding action, but fail to meet the requirement of firm safety and quick folding, cause folding cycle to be difficult to as universal as the bicycle.

The purpose of this utility model is to overcome the shortcoming of above-mentioned common Collapsible bicycle, provides a kind of structure more reasonable, and can realize fast, conveniently fold, and safe and reliable folded bicycle design plan.

The utility model carries out bigger improvement in the structure to known Collapsible bicycle, but it mainly is made up of three part collapsed configuration such as a vehicle frame group, pedal group, handle groups, wherein vehicle frame amounts in the time of can putting down jiffy stand by the user, automatically press clasp, make the fastening part discharge, can mention tap easily, make unitized frame to the trailing wheel folding; When otherwise desire is used, can after launching, vehicle frame make the jiffy stand playback be fixedly shape person by automatic snap close vehicle frame; The pedal group also can inwardly be amounted to respectively in addition, and the handle group can be utilized the quick detach fastener simultaneously, makes things convenient for it folding downwards; By its easy folding action, can provide to be easier to the folding mode that common people accept, and the body frame structure for automotive of this not disconnecting makes and the utlity model has very failure-free safety performance.

Below in conjunction with the accompanying drawing that can be used as the utility model embodiment, further give detailed explanation to the content of this creation.For reducing the narration length, the label in the accompanying drawing is also narrated in the explanation to its structure in the lump.

In the accompanying drawing, the 1st figure is deployment configuration figure of the present utility model;

The 2nd figure is that constructional drawing is amplified in fastening part of the present utility model;

The 3rd figure is pedal group D structure figure of the present utility model;

The 4th figure is that pedal group of the present utility model is amounted to action diagram;

The 5th figure is handle group D structure figure of the present utility model;

The 6th figure is a handle group insight structural map of the present utility model;

The 7th figure is the folding figure that finishes of bicycle of the present utility model.

At first see also the 1st figure, this creation is combined by each several parts such as a vehicle frame group 1, pedal group 2, handle groups 3 as shown in the figure; Wherein the vehicle frame group 1, stretch in seat cushion 11 belows and to be provided with a pipe 12, this pipe 12 is arranged in the section of vehicle frame group 1, the bottom of seat pipe 12 is provided with a central siphon 121(and is commonly called as the five-way pipe), can supply wearing of pedal group 2, the below of (please consulting the 2nd figure simultaneously) central siphon 121 is provided with a quarter butt 122 in addition, and this quarter butt 122 also flexibly connects a connecting rod 123, and making connecting rod 123 activities be connected between the vehicle frame 13 of back, the place ahead of this quarter butt 122 is provided with a clasp 124 again.Back vehicle frame 13, it is an assembled base 131 that its front end is positioned at seat pipe 12 belows, this back vehicle frame 13 is established two support bodys that are fork for stretching backward from assembled base 131, then be folded with a trailing wheel 132 between the two back vehicle frames 13, be provided with a L type clasp 133 in addition in the bottom of assembled base 131, this clasp 133 can be established a spring and had rotation elasticity by circle on the axle center 134, and it is one barb-like that the front end of clasp 133 is, and can be located at clasp 124 for hook; A side that is positioned at clasp 133 simultaneously is provided with a jiffy stand 135 in addition, this jiffy stand 135 is according to a rotating shaft 136 and a spring 137, and be moving type, and the depression bar 138 that is convexly equipped with out by jiffy stand 135, in the time of can under dialling, landing for jiffy stand 135, depression bar 138 just can compress the tail end (as shown in Figure 2) of clasp 133, and makes the preceding barb of clasp 133 break away from clasp 124.Organize forward on assembled base 131 again and be provided with a front vehicle frame 14, group is stood on the faucet 15 before the front end of front vehicle frame 14, and 15 of this faucets are stretched downwards and are provided with a front forked frame 151, for the upright front-wheel 152 of group; Be provided with an oblique suspension rod 16,17 to back vehicle frame 13 and front vehicle frame 14 in stretching respectively on the seat pipe 12 again; Simultaneously, on faucet 15, be provided with one in addition and be the last vehicle frame 18 of parallel shape with front vehicle frame 14, and order go up vehicle frame 18 end be linked in addition before on the oblique suspension rod 17.

Pedal group 2(sees also the 3rd, the 4th figure), be to be the folding pedal that to make progress, it is mounted on central siphon 121 both sides of vehicle frame group 1 by a fixed block 21, these fixed block 21 peripheral bags are provided with a tressel 22, be mounted on before the upper end of tressel 22 in the rotating shaft 211 of fixed block 21, the latent tenon 24 that is promoted by spring 23 that is provided with in addition in the inside of tressel 22, the lower end of tressel 22 then sets firmly a pedal 25 again; By pushing tenon 24(shown in the 4th figure), breaking away from clip to fixed block 21, can be with tressel 22 according to upwards turnover of rotating shaft 211, and the pedal 25 of the outwards projection of order then be accommodated in the gap of vehicle frame group 1.

Handle group 3, shown in the 5th, 6 figure, this handle group 3 is to be mounted on faucet 15 tops, and be respectively equipped with a semi-circle tubular block set 32 by the both sides of a crotch 31, two block sets, 32 belows are equipped with leader 33 respectively by a pin 321, the reversing sense corresponding to block set 32 of this handle 33 also is provided with a semi-circle tubular short sleeve 34, to enclose bodys in conjunction with block set 32 common formation one; Be provided with a closing cap 35 in short sleeve 34 top handles 33 in addition, the internal diameter of this closing cap 35 is big slightly, and just can supply to entangle short sleeve 34 on block set 32 simultaneously, and makes the quick detach fastener 351 on the closing cap 35 impose fastening; Then this handle group 3 can discharge quick detach fastener 351 earlier according to anti-order when amounting to, and pull up closing cap 35 and be separable shape to make handle 33 and block set 32, be axle according to pin 321 respectively with two handles 33 again, be folded down to the both sides of front-wheel 152 and develop.

When the user desires to impose car load when folding (please consulting the 7th figure simultaneously), then can earlier handle group 3 be folded down to developing in the both sides of front-wheel 152 according to above-mentioned folding mode, again jiffy stand 135 is allocated to downwards and lands, to make depression bar 138 push down L type clasp 133, the clip that has promptly made simultaneously L type clasp 133 break away to clasp 124; Little the carrying that only faucet 15 positions must be made progress user at this moment, each position support body that can synchronous interlock vehicle frame group 1 is superimposed shape backward, and the three points of contact of being made up of jiffy stand 135 and trailing wheel 132 and be firm standing; This jackknife action approximately can be finished in 5 seconds easily, and the reduce in scale of its volume is approximately 1/3 of original expansion.Because the novel structure of this case creation Collapsible bicycle makes it have following advantage:

(1) the tap action all to affect design mutually, is proposed in each position of vehicle frame on one, can be with vehicle frame folding fully backward, and it is that common people accept that its folding mode comparatively makes things convenient for.

(2) folding rate is fast, can amount to or launch in about 5 seconds and finish.

(3) structure of vehicle frame links mutually, no disconnecting point, so structural generally from central authorities fracture and the folding cycle that closes mode for strong.

(4) fastening of vehicle frame picks up from flowing mode, and promptly to put down be that automatic release can be amounted to jiffy stand, promptly is fastened automatically otherwise car launches back jiffy stand playback, does not need the free-hand switch that screws of user, and the beginning is fixed.

(5) amount to design hand getting is two-way, more complete handle structure can be provided, general handle more meets the operability and the safety of ergonomics.

(6) but pedal also is a convertible, can provide to fold the back reduced width, be easy to collection, avoid outwards outstanding inconvenience of pedal.

Claims (4)

1. A folding bicycle, characterized in that it has: a frame group, a tube is provided under the seat cushion, a shaft tube is provided at the bottom of the seat tube, and the front end of the rear frame is positioned under the seat tube. There is a combined seat and a parking frame, a rear wheel is sandwiched between the two rear frames, and a front frame is provided forward on the combined seat, the front end of the front frame is assembled on a faucet pipe, and the faucet pipe is parallel A front fork frame is extended downwards to assemble a front wheel, and a slanted suspension rod is respectively provided on the seat tube to connect to the rear frame and the front frame. Parallel upper frame, the other end of the upper frame is connected to the front inclined suspension rod; a pedal set is composed of a fixed block set on both sides of the axle tube of the frame set, and a fixed block is surrounded by a The movable frame, the upper end of the movable frame is assembled on the upper rotating shaft of the fixed block, and there is a sliding and pushing card shoot inside the movable frame, a spring is arranged under the card shoot, and a spring is fixed at the lower end of the movable frame. Pedal; a handle set is set in front of the faucet tube, and a fork frame is extended forward on the faucet tube. The two sides of the fork frame are respectively provided with a half-round tube-shaped sleeve. The lower end of the sleeve is pierced with a handle. The handle is provided with a semicircular short sleeve corresponding to the opposite direction of the sleeve, and a slidable locking cover is provided on the handle, and a quick release buckle is provided on the locking cover; And the collapsible structure of handlebars can form a collapsible bicycle. 2. The foldable bicycle according to claim 1, characterized in that the lower end of the shaft tube of the seat tube is provided with a short rod, and the short rod is movably connected to a connecting rod between the two rear frames, and the front of the short rod is Features a clasp. 3. The foldable bicycle according to claim 1, characterized in that the combined seat located at the front end of the rear frame has an L-shaped clasp at its bottom, and a spring is provided on the axis of the clasp, and the clasp The front end of the hook is provided with a barb, which can be used for the hook to be set on the clasp, and the tail end is in an extended shape. 4. The foldable bicycle according to claim 1, characterized in that the parking frame is located under the rear frame, and a pressure bar is protruded from one side of the rotating shaft of the parking frame, which can be used to press down when the parking frame is pulled down to the ground. Pull the tail end of the clasp hook, so that the clasp will automatically disengage from the clasp on the clasp ring.

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