CN2447020Y

CN2447020Y - Folding device of scooter

Info

Publication number: CN2447020Y
Application number: CN 00254708
Authority: CN
Inventors: 陈光辉; 陈凯文
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-22
Filing date: 2000-09-22
Publication date: 2001-09-12
Anticipated expiration: 2010-09-22

Abstract

The utility model relates to a folding device of scooters. The folding device of scooters is provided with a scooter head pipe and a supporting rod which are respectively pivoted on a plate body of the scooter, the scooter head pipe is fixedly provided with a pivot frame which is used for pivoting with the supporting rod, and the pivot frame is provided with a pivot hole which is composed of a horizontal section, a clamping concave part and a sliding section. A clamping convex piece and a clamping groove which can clamp and abut the bottom edge of the pivot frame are formed on the top end of the supporting rod, and then an effect which can provide multiple clamping is formed. Therefore, the running safety of the scooter is enhanced.

Description

The device for folding of scooter

The utility model is relevant for the device for folding of a scooter, particularly a kind of scooter.

Because the multi-functional with convenience, amusement and motion makes scooter become a kind of quite popular leisure, motion and traffic appliance.For allowing the user can carry and collect scooter easily, general existing scooter mostly is to be designed to amount to form, as shown in Figure 7, be a kind of for folding scooter, it mainly is to be pivoted with leader 52 in a plate body 50 1 ends, in handle 52 bottoms one front-wheel 54 is set, and in plate body 50 in addition end establish a trailing wheel 56, be pivoted with a cylinder pressure 60 jointly in plate body 50 and 52 of handles, so can utilize this cylinder pressure 60 that the handle strength that 52 portions hold is provided, support handle 52 is positioned at the position of launching use, and when cylinder pressure 60 is regained its depression bars, can drive handle 52 and rotate and fold, reach and dwindle the effect that scooter carried and collected volume relative to plate body 50.

Though yet the traditional scooter of this kind has the function that folds, but because of cylinder pressure 60 itself there is no retaining mechanism, therefore when advancing, if when meeting with the road surface of jolting uneven, be easy to cause cylinder pressure 60 to fold unexpectedly, cause handle 52 to rotate, so just be easy to allow scooter produce unbalanced phenomenon, increase the difficulty of scooter control, even fortuitous event such as take place that the user falls.Tradition is with the scooter of cylinder pressure 60 as retracting structure simultaneously, and the manufacturing and the maintenance cost of its integral body are higher, can increase user's burden economically.

Other has a kind of as Taiwan five No. two " scooter folding mechanism " the novel patent cases of applying for the 872 171, mainly be to be provided with a folding mechanism between body portions and handlebar stem, this folding mechanism includes a pole and a connecting rod, wherein this pole one end is to be fixedly arranged on the handlebar stem, end then is to be hubbed on the body portions in addition, connecting rod then is made up of a connecting rod on one and the lower link institute that is pivoted mutually, and last connecting rod is to be pivoted to be connected to handlebar stem, lower link then is to be pivoted to be connected on the vehicle frame, so can be last, lower link straight line relatively after, the supporting handle hand lever is in the position of launch using.

Yet this kind conventional skateboard car folding mechanism, because of being to be the state of being pivoted between its upper and lower connecting rod, so the straight support state after it launches is also unstable, though between upper and lower connecting rod, can increase the intensity and the stability of its expansion by quick-disassembly structure is set, but still because of Uneven road or when operation factor such as the excessive application of force flick, cause the unintentional rotation between upper and lower connecting rod to fold, and then the danger when increasing scooter and travelling.

The purpose of this utility model is to provide a kind of device for folding of scooter, can provide head tube and support bar multiple blocking effect, avoids handle to meet accident and rotates the phenomenon that folds, to improve the scooter driving safety.

The technical solution of the utility model is to provide a kind of device for folding of scooter, it is characterized in that, includes:

One head tube, be hubbed at an end of scooter plate body, and the handle for scooter runs through wherein, be installed with trunnion frame in the head tube proximal portion, be provided with a pivot hole in the pivot frame, its pivot hole includes a horizontal segment, then extends upward respectively in the two ends of horizontal segment to be formed with an engaging recessed part and a coasting-flight phase.

One support bar, one end of support bar is to be hubbed on the plate body, support bar in addition end then is to be pivoted mutually with the pivot frame, and an end that is pivoted in support bar and pivot frame is convexly equipped with and is formed with the card lug that a high protuberance and highly is lower than high protuberance, and in high protuberance and block between lug and be formed with a draw-in groove.And

One device for quickly disassembling includes an axostylus axostyle that runs through pivot frame pivot hole and the high protuberance of support bar, is pivoted with the spanner of a tool cam in axostylus axostyle one end, and axostylus axostyle end in addition then screws togather mutually with a nut.

The device for folding of aforesaid scooter is characterized in that, the head tube bottom is installed with oblique brace, and the end in addition of brace then is to be pivoted mutually with plate body.

The device for folding of aforesaid scooter is characterized in that, the cross section of this pivot frame is  shape.

The device for folding of aforesaid scooter is characterized in that, these pivot frame both sides are provided with relative pivot hole.

The device for folding of aforesaid scooter is characterized in that: the coasting-flight phase in pivot hole is to extend a segment distance obliquely by the end of horizontal segment, extends along its reversed dip again.

Effect of the present utility model is, this folding mechanism includes two head tube and the support bars that are hubbed at respectively on the scooter plate body, be installed with a pivot frame in order to be pivoted mutually with support bar in head tube, be provided with by horizontal segment in the pivot frame, the pivot hole that engaging recessed part and coasting-flight phase are formed, and be formed with the card lug and the draw-in groove that can fasten pivot frame root edge in supporting bar top, not only can allow the handle that is set in the head tube rotate with this relative to plate body, come the folding scooter, to dwindle carrying and collection space of scooter, and the design of draw-in groove and card lug on engaging recessed part that can be by the pivot hole and the support bar, provide head tube and support bar multiple blocking effect, allow the handle of scooter launch on the position of using by strong fix, avoid handle to meet accident and rotate the phenomenon that folds, to improve the scooter driving safety.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Fig. 1: be that the utility model is arranged at the stereo appearance figure on the scooter.

Fig. 2: be three-dimensional exploded view of the present utility model.

Fig. 3: be front elevational schematic of the present utility model.

Fig. 4: the partial schematic diagram when being the utility model expansion.

Fig. 5: be the partial schematic diagram of the utility model when folding.

Fig. 6: be the front elevational schematic after the utility model folds.

Fig. 7: be that tradition is the scooter front elevational schematic of folding mechanism with the cylinder pressure.

The utility model mainly provides a kind of device for folding of scooter, please cooperate referring to Fig. 1,2, by seeing among the figure, device for folding of the present utility model mainly is to include a head tube 20, one device for quickly disassembling 26 and a support bar 30, wherein head tube 20 and support bar 30 all are plate body 10 1 ends that are hubbed at scooter, and the handle 12 of scooter is to run through head tube 20, can be installed with oblique brace 21 in head tube 20 bottoms again, brace 21 end in addition then is pivoted with a pivot mutually with plate body 10, so can allow head tube 20 be hubbed on an end of plate body 10 at a certain distance.

Be installed with a middle trunnion frame 22 towards support bar 30 in head tube 20 proximal portions, the cross section of this pivot frame 22 is slightly to be the bending of  shape, be respectively arranged with a relative pivot hole 24 in pivot frame 22 two sides, each pivot hole 24 includes a horizontal segment 242 again, extend upward respectively in the two ends of horizontal segment 242 and to be formed with an engaging recessed part 244 and a coasting-flight phase 246, wherein coasting-flight phase 246 is after extending a segment distance obliquely by the end of horizontal segment 242, extends along its reversed dip again.

Device for quickly disassembling 26 mainly is to include one threaded axostylus axostyle 262 is set, and is pivoted with the spanner 264 of a tool cam in axostylus axostyle 262 1 ends, and axostylus axostyle 262 end in addition then screws togather mutually with a nut 266.

Support bar 30 1 ends are to be hubbed at plate body 10 close end places in addition, differing from an end that is pivoted with plate body 10 in support bar 30 is convexly equipped with and is formed with the card lug 34 that high protuberance 32 and that a cross section is slightly less than support bar 30 highly is lower than high protuberance 32, and be formed with a draw-in groove 36 in high protuberance 32 and 34 of lugs of card, after the high protuberance 32 of support bar 30 can being stretched in the pivot frame 22 with this, allow the axostylus axostyle 262 of device for quickly disassembling 26 run through the pivot hole 24 of pivot frame 22 both sides and the high protuberance 32 of support bar 30 simultaneously, behind nut 266 locking axostylus axostyles 262, just support bar 30 can be hubbed on the pivot frame 22.

So when desire is used scooter, please cooperate referring to Fig. 2 to Fig. 4, rotate head tube 20, allow head tube 20 drive handles 12 turn to relative plate body 10 and slightly be erectility, and the axostylus axostyle 262 that makes device for quickly disassembling 26 moves to the relative position of pivot frame 22 upper pivot holes 24 horizontal segments 242 and engaging recessed part 244, then rotate head tube 20 and support bar 30 more slightly simultaneously, can relatively rotating by 30 of head tube 20 and support bars, allow axostylus axostyle 262 enter in the engaging recessed part 244, and allow pivot frame 22 root edges snap in the draw-in groove 36 on support bar 30 tops, and be subjected to the clipping of draw-in groove 36, card lug 34 on the support bar 30 can press on the outer rim of pivot frame 22 simultaneously, pull spanner 264 then and locking device for quickly disassembling 26, so just can be by the locking effect of device for quickly disassembling 26, reach the clipping of draw-in groove 36 and card lug 34 and push against effect, allow head tube 20 and support bar 30 constitute a firm frame structure, and allow handle 12 be positioned at the position of launching use, and provide head tube 20 and the firm supporting role of handle 12 portions by support bar 30.

By this structure; not only can be by the locking effect of device for quickly disassembling 26; avoid handle 12 and head tube 20 at random to rotate relative to plate body 10; to keep scooter outside launching user mode; this moment, the axostylus axostyle 262 because of device for quickly disassembling 26 was to snap in the engaging recessed part 244 in pivot hole 24; and the root edge of pivot frame 22 is the draw-in grooves 36 that are located in support bar 30; and the card lug 34 on the support bar 30 also is to press on the outer rim of pivot frame 22; simultaneously when scooter in when operation; the user can bestow the strength that handle 12 portions are pushed usually downwards; when although event device for quickly disassembling 26 gets loose because of excessive vibrations; still can allow axostylus axostyle 262 firmly be sticked in the engaging recessed part 244; and the engaging clamping action by 36 pairs of pivot framves 22 of draw-in groove; and 34 pairs of pivot framves 22 of card lug compress the common cooperation of effect; allow support bar 30 firmly support head tube 20; the situation of avoiding head tube 20 when scooter travels, to meet accident and rotate; so can provide the effect of the multiple insurance of scooter structure, the security when operating to improve scooter.

When desiring to amount to scooter, please cooperate referring to Fig. 2,4 and Fig. 5, unclamp device for quickly disassembling 26 earlier, and then promote head tube 20 and support bar 30 simultaneously, allow both slightly relatively rotate, just allow axostylus axostyle 262 break away from the horizontal segment 242 that engaging recessed part 244 enters pivot hole 24, can allow this moment pivot frame 24 root edges break away from the clipping of support bar 30 draw-in grooves 36 simultaneously, and card lug 34 can move to support bar 30 and be positioned at pivot frame 22 bottom sides, rotate head tube 20 so again, just after can making axostylus axostyle 262 move to the position relative with coasting-flight phase 246 along the horizontal segment 242 in pivot hole 24, again head tube 20 is promoted towards plate body 10, can make pivot 262 move, turn to collapse state with synchronous drive support bar 30 relative plate bodys 10 along the coasting-flight phase 246 in pivot hole 24, as shown in Figure 6, carrying and collecting in order to scooter.

Retracting structure of the present utility model mainly is to include two head tube 20 and the support bars 30 that are hubbed at respectively on the scooter plate body 10, on head tube 20, be installed with a pivot frame 22 in order to be pivoted mutually with support bar 30, be provided with by horizontal segment 242 in pivot frame 22, the pivot hole 24 that engaging recessed part 244 and coasting-flight phase 246 are formed, and be formed with the card lug 34 and the draw-in groove 36 that can fasten pivot frame 22 root edges in support bar 30 tops, not only can allow the handle 12 that is set in the head tube 20 rotate with this relative to plate body 10, come the folding scooter, to dwindle carrying and collection space of scooter, and the design of draw-in groove 36 and card lug 34 on engaging recessed part 244 that can be by pivot hole 24 and the support bar 30, provide head tube 20 and support bar 30 multiple blocking effect, allow the handle 12 of scooter launch on the position of using by strong fix, avoid handle 12 to meet accident and rotate the phenomenon that folds, to reach the effect that improves the scooter driving safety.

Claims

1. the device for folding of a scooter is characterized in that, includes:

One head tube, be hubbed at an end of scooter plate body, and the handle for scooter runs through wherein, be installed with trunnion frame in the head tube proximal portion, be provided with a pivot hole in the pivot frame, its pivot hole includes a horizontal segment, then extends upward respectively in the two ends of horizontal segment to be formed with an engaging recessed part and a coasting-flight phase;

One support bar, one end of support bar is to be hubbed on the plate body, support bar in addition end then is to be pivoted mutually with the pivot frame, and an end that is pivoted in support bar and pivot frame is convexly equipped with and is formed with the card lug that a high protuberance and highly is lower than high protuberance, and in high protuberance and block and be formed with a draw-in groove between lug; And

2. the device for folding of scooter according to claim 1 is characterized in that, this head tube bottom is installed with oblique brace, and the end in addition of brace then is to be pivoted mutually with plate body.

3. the device for folding of scooter according to claim 1 is characterized in that, the cross section of this pivot frame is ㄈ shape.

4. the device for folding of scooter according to claim 3 is characterized in that, these pivot frame both sides are provided with relative pivot hole.

5. according to the device for folding of claim 1 or 4 described scooters, it is characterized in that the coasting-flight phase in this pivot hole is to extend a segment distance obliquely by the end of horizontal segment, extend along its reversed dip again.