CN206664820U - Folding grip linkage type foldable scooter - Google Patents

Abstract

A kind of folding grip linkage type foldable scooter, including quick-folding handlebar, front fork, side arm, double front-axle beams, fork afterwards, lower link, front running board, bumper step, front wheels and rear wheels, quick-folding handlebar is by left hand handle, right handgrip, upper lock-connecting piece, left lock-connecting piece, right lock-connecting piece, fold substrate and two hand handle keepers are formed by connecting, side arm is by preceding even part, rotary part connects part with after and is formed by connecting, double front-axle beams are formed by connecting by the rear end and connector of two rectangular tubes, fork connects part by groove profile afterwards and two dropout are formed by connecting, connector and groove profile connect that part is previous mutual to be connected to perforation, lower link connects part lower end transverse holes with after and groove profile connects that part is latter mutual to be connected to perforation, front running board is connected to double front-axle beams, bumper step is connected to rear fork, front-wheel is installed on front fork, trailing wheel is installed on the rear end of two dropout.

Description

Folding grip linkage type foldable scooter

Technical field

A kind of Foldable skate-board is the utility model is related to, more particularly to a kind of folding grip linkage type foldable scooter.

Background technology

There are more money folding scooters in the market, due to the reason such as structure and construction, can not possibly also reach after folding and put Enter the satisfaction in knapsack.

The content of the invention

The purpose of this utility model is to provide for a kind of handlebar in a manner of the new type foldable of quick-folding handlebar, after having folded Can be put into knapsack --- folding grip linkage type foldable scooter.What the purpose of this utility model was realized in；Fold Linkage type foldable scooter, including quick-folding handlebar, front fork, side arm, double front-axle beams, rear fork, lower link, front running board, after Pedal, front wheels and rear wheels, it is characterized in that：Quick-folding handlebar includes left hand handle, right handgrip, upper lock-connecting piece, left lock-connecting piece, right lock Fitting, fold substrate and two hand handle keepers, left hand is being to be formed by the upper end of pipe as right-angle bending with right handgrip, left hand Lower end and the lower end of right handgrip be respectively provided with a pair of perforation, the left part part of the upper lock-connecting piece of upper end connection of left hand handle, the right hand The upper lock-connecting piece of upper end connection right members, the bottom of left hand handle connects left lock-connecting piece, the bottom connection of right handgrip Right lock-connecting piece, for left hand the left side groove that folding substrate is connected to perforation of lower end, right handgrip lower end is connected to folding to perforation The right groove of folded substrate, folding the anterior left side of substrate has a vertical left side groove, fold the anterior the right of substrate have it is one vertical The right groove, folding the right back of substrate left side groove has a vertical left round tube hole, and the right back for folding the left round tube hole of substrate has One vertical left rectangular opening, fold close-fitting in the left rectangular opening of substrate and fill in left flat pin, the front left side twist-on left half of left flat pin Snap bolt, folding groove left back on the right of substrate has a vertical right round tube hole, and the left back for folding the right round tube hole of substrate has one Vertical right rectangular opening, fold close-fitting in the right rectangular opening of substrate and fill in right flat pin, the forward right side twist-on right semi-circle of right flat pin Hook bolt, the left round tube hole of substrate is folded with the right round tube hole of substrate is folded and connects front fork, left lock-connecting piece can be with folding left the half of substrate Snap bolt interlocking, right lock-connecting piece can be with the right semi-circle hook bolt interlockings of folding substrate, and the left part part of upper lock-connecting piece can be with locking The right members interlocking of fitting, two hand handle keepers are connected to the bottom of front fork revolver fork arm and the lower end of right wheel fork arm Portion, after left hand handle and right handgrip fold, left hand is being caught in the C-shaped bayonet socket of the hand handle keeper of revolver fork arm, right handgrip It is caught in the C-shaped bayonet socket of the hand handle keeper of right wheel fork arm；Side arm by preceding even part, rotary part and after connect part and form, it is preceding Even the preceding amplexis hole of part is fixedly connected in the middle part of front fork, and preceding even part is the cutting off processing part of aluminium extruded type, and preceding even the front and rear of part respectively has Amplexis hole, rotary part connect before being installed on the rear amplexis hole of part, after connect the slice processing part that part is aluminium extruded type, after connect part before End be in groove profile, after connect part groove profile both sides up and down have it is mutual to perforation, after connect the middle part of part rear end and respectively there is a transverse direction lower section Hole, after connect part groove profile it is mutual to being punched through to locking bolt connection rotary part；Double front-axle beams be by two rectangular tubes rear end and Connector is formed by connecting, and the transverse directions of double front ends of front-axle beam two has mutual to perforation, and connector is a groove profile stamping, connector groove profile Two sides have it is one mutual laterally mutual to being punched through to lock bolt with before connecting in the middle part of part to perforation, double front ends of front-axle beam two Transverse holes rotation connection, double preceding beam connections it is mutual to the previous phase that is punched through connecting lock bolt with rear fork groove profile part Mutual is rotatablely connected to perforation；Fork connects part by groove profile afterwards and two dropout are formed by connecting, and it is a groove profile stamping that groove profile, which connects part, groove Type, which connects the front and rear of the two sides of part, respectively to be had one mutual to perforation, and lower link is the part made of metal round rod, lower link Front end connects part lower end transverse holes with after and is rotatablely connected, and rear end and the groove profile of lower link connect latter mutual being rotated to perforation of part and connected Connect；Front running board is connected to double front-axle beams, and fork after bumper step connection, front-wheel is installed on front axle, after trailing wheel is installed on the two of rear fork End, double front-axle beams are folded up, in the presence of the preceding four-bar linkage for connecting part, double front-axle beams, lower link and groove profile and connecting part composition, before double Beam and upper connecting rod are together upward to front fork stem folds, then fork then folds down, and the folding of quick-folding handlebar, reaches in addition Perfect folding effect.

The beneficial effects of the utility model are：The ingenious cooperation that the utility model passes through profile piece so that whole vehicle frame base No electric welding in sheet, represent a kind of new trend of the manufacturing process of scooter；Handlebar of the present utility model is using quick The form of foldable handlebar so that the folding of handlebar reaches both most simple, and reaches most effective；Front fork is connected to lower clamping piece or so In the upward and downward circular hole of rear end, the upward and downward circular hole of the preceding even front end of part two is fixedly connected on front fork, the upward and downward of preceding even part rear end Circular hole connects rotary part, after connect the front end of part again by being connected to lock bolt with rotary part, allow turning mechanism both simply and Again effectively；The front end of double front-axle beams and lower link connects the middle part and lower end of part after being connected to, after connect part, double front-axle beams, lower link Connect the four-bar linkage of part composition with groove profile, realize two folding effects of four-bar linkage linkage.

Brief description of the drawings：

Fig. 1 is the utility model structure diagram；

Fig. 2 is the expanded schematic diagram of the utility model quick-folding handlebar；

Fig. 3 is the gathering schematic diagram of the utility model quick-folding handlebar；

Fig. 4 is the utility model folding process schematic diagram；

Fig. 5 is that the utility model folding finishes figure；

In figure：1 --- quick-folding handlebar, 2 --- front fork, 3 --- side arm, 4 --- double front-axle beams, 5 --- rear fork, 6 --- lower link, 71 --- front running board, 72 --- bumper step, 81 --- front-wheel, 82 --- trailing wheel；Wherein quick-folding handlebar 1 Also include：11 --- left hand handle, 12 --- right handgrip, 13 --- upper lock-connecting piece, 14 --- left lock-connecting piece, 15 --- right interlocking Part, 16 --- folding substrate, 17 --- hand handle keeper.

Embodiment：

According to Fig. 1, described folding grip linkage type foldable scooter, including it is quick-folding handlebar 1, front fork 2, side arm 3, double Front-axle beam 4, rear fork 5, lower link 6, front running board 71, bumper step 72, front-wheel 81 and trailing wheel 82；

Described quick-folding handlebar 1 includes left hand 11, right handgrip 12, upper lock-connecting piece 13, left lock-connecting piece 14, right interlocking Part 15, substrate 16 and hand handle keeper 17 are folded, described left hand is the upper end that 11 and described right handgrip 12 are all by pipe Portion forms as right-angle bending, and the left hand in 11 lower end and the lower end pore of the right handgrip 12 being respectively plugged with a thick-walled metal Pipe, the left hand are inconjunction with 11 lower end the thick-walled metal pipe being located therein and are provided with a pair of perforation, and the left hand is 11 Lower end to the hole heart extended line of perforation and the left hand 11 right-angle bending in the 45 ° of angles overlooked, the left hand is 11 Lower end is to being provided with a screwed hole above perforation, the left hand is 11 screwed hole hole heart extended lines and the left hand 11 lower ends pair The hole heart extended line of perforation is vertical in what is overlooked, and the lower end of the right handgrip 12 is inconjunction with the thick-walled metal pipe being located therein and opened There are a pair of perforation, the lower end of the right handgrip 12 is in overlook to the hole heart extended line of perforation and the right-angle bending of the right handgrip 12 45 ° of angles, to being provided with a screwed hole above perforation, the screwed hole hole heart of right handgrip 12 extends for the lower end of right handgrip 12 Line is vertical in what is overlooked to the hole heart extended line of perforation with the lower end of right handgrip 12.

Described upper lock-connecting piece 13 includes left part part and right members, and described left part part is made up of modification of nylon, the left side The left end of part has a vertical hole of cracking, and it is vertical mutual to perforation, the left part by one to crack that hole cracks for the left part part The right part of part is in the cylinder of stretching, extension to the right, and the right-hand member of the left part part cylinder has convex shoulder to the right, the left part part There is external screw thread on convex shoulder, the borehole jack that cracks of the left part part is connected to lower section of the left hand 11 upper end right-angle bendings, is used in combination It is vertical mutual in perforation, being coordinated with nut and being tightened, by cracking for the left part part to penetrate that the left part part cracks for bolt Hole hug in the left hand 11 upper end.

Described right members are by connecting seat and screw set and form, and connecting seat is made up of modification of nylon, and the right-hand member of connecting seat has It is vertical mutual to perforation by one to crack that hole cracks for vertical hole of cracking, connecting seat, and connecting seat left part is in stretching, extension to the left Circular bar shape, the left end of connecting seat circular bar shape has axial screwed hole, and the borehole jack that cracks of connecting seat is connected on the right handgrip 12 It is vertical mutual in perforation, being coordinated with nut and being tightened to penetrate that connecting seat cracks for the lower section of end right-angle bending, blending bolt, The hole of cracking of connecting seat is hugged in the upper end of the right handgrip 12, set is screwed and is made up of modification of nylon, screw the left end of set There is a counterbore, screw and internal thread is carried in the counterbore of set, screwing the axial direction of the right part of set has a round tube hole, screws set axial direction Round tube hole and the female counterbore insertion of band for screwing set, the round tube hole for screwing set axial direction are socketed on the stretching, extension of connecting seat to the left Circular bar shape on, and by the cooperation of bolt and pad, set will be screwed be rotatably connected and carry interior spiral shell on connecting seat, screw set The counterbore of line can pin with the external screw thread twist-on on the left part part convex shoulder.

Described left lock-connecting piece 14, including left interlocking seat, left interlocking hook, left bolt and left interlocking spring, it is described Left interlocking seat is made up of Al squeezing material section, and the left front end of the left interlocking seat is vertical circular hole, the right side of the left interlocking seat Rear end is vertical groove profile, and the both sides of the left vertical groove profile of interlocking seat have one mutual to pass through to perforation, the left interlocking seat Vertical circular hole close-fitting be socketed on left hand 11 bottom and positioned at the left hand the lower section of 11 screwed holes, the described right side Lock-connecting piece 15, including right interlocking seat, right interlocking hook, right bolt and right interlocking spring, described right interlocking seat is by aluminium extruded type Material section is made, and the right front ends of the right interlocking seat are vertical circular hole, and the left back end of the right interlocking seat is vertical groove profile, The both sides of the right vertical groove profile of interlocking seat have one mutual to perforation, and the right interlocking seat passes through vertical circular hole close-fitting and is socketed In the bottom of right handgrip 12 and positioned at the lower section of the screwed hole of right handgrip 12.

Described left interlocking hook is made up of Al squeezing material section, and the top of the left interlocking hook is latch hook handle, the left lock The latch hook handle for connecing hook is in vertical bar shaped sheet, and a slotted hole, the left interlocking hook are provided with the middle part of the left interlocking hook lock neck of hook The left front end of lower section is cast portion, and the right rear end below the left interlocking hook is in downward hook-type, the cast of the left interlocking hook By being rotatablely connected to lock bolt and the left vertical groove profile of interlocking seat are mutual to perforation, left bolt penetrates the left side in portion In the slotted hole of the interlocking hook lock neck of hook and in left interlocking spring, then it is screwed into screwed hole of the left hand 11 bottoms, and And the bolt head of left bolt as outside the left interlocking hook lock neck of hook bullet it is spacing, described right interlocking hook is by Al squeezing material Section is made, and the top of the right interlocking hook is latch hook handle, and the latch hook handle of the left interlocking hook is in vertical bar shaped sheet, described It is provided with a slotted hole in the middle part of the right interlocking hook lock neck of hook, the right front ends below the right interlocking hook are cast portion, the right interlocking hook The left back end of lower section is in downward hook-type, and the cast portion of the right interlocking hook passes through to lock bolt and the right interlocking seat vertical slot Type is mutual to be rotatablely connected to perforation, and right bolt penetrates in the slotted hole of the right interlocking hook lock neck of hook and right interlocking spring In, then be screwed into the screwed hole of the bottom of right handgrip 12, and the bolt head of right bolt is as the right interlocking Bullet is spacing outside the hook lock neck of hook.

Described folding substrate 16 is made up of Al squeezing material, and described folding substrate 16 also includes left flat pin, right flat Square cotter, left semicircle hook bolt and right semi-circle hook bolt, there is a vertical left side groove on the anterior left side of substrate 16 that folds, described Folding the anterior right-hand member of substrate 16 has vertical the right groove, and folding substrate 16 left side groove is in opening to the U-shaped of left front Groove, the both sides for folding substrate 16 left side groove lower end are provided with mutual to perforation, and the folding the right groove of substrate 16 is in opening To the U-type groove of right front, the both sides for folding the right groove lower end of substrate 16 are provided with mutual to perforation, the folding substrate 16 There is a vertical left round tube hole right back of left side groove, and there is a vertical left square right back for folding 16 left round tube hole of substrate Shape hole, it is described folding 16 left rectangular opening of substrate in close-fitting fill in left flat pin, the front left side twist-on left semicircle head spiral shell of left flat pin Bolt, there is a vertical right round tube hole the right groove left back of substrate 16 that folds, described to fold the left back of 16 right round tube hole of substrate Right rectangular opening vertical Fang Youyi, close-fitting fills in a right flat pin, the right side of right flat pin in the folding 16 right rectangular opening of substrate The right semi-circle hook bolt of front side twist-on one, the left round tube hole for folding substrate 16 are neutralized in the right round tube hole for folding substrate 16 Close-fitting is socketed on two upper ends of the front fork 2, and described left lock-connecting piece 14 can be with the left semicircle hook bolt of the folding substrate 16 Interlocking, described right lock-connecting piece 15 can be with the right semi-circle hook bolt interlocking of the folding substrate 16, the upper right parts of lock-connecting piece 13 Part screw set can be with the convex shoulder twist-on of the upper left part part of lock-connecting piece 13.

Described hand handle keeper 17 has modification of nylon to be made, and the rear end of the hand handle keeper 17 has one vertical to open Slot apertures, the hand handle keeper 17 crack that hole cracks it is vertical have it is one mutual to perforation, the front end of the hand handle keeper 17 There is the C-shaped bayonet socket of the opening of a vertical view forward, the hand handle keeper 17 described in one is connected to the left front fork arm by the borehole jack that cracks Bottom, with bolt penetrate the hand handle keeper 17 crack it is vertical mutual to being fixed in perforation, with top nut twist-on, separately Hand handle keeper 17 described in one is connected to the bottom of the right front fork stem by the borehole jack that cracks, and penetrating the hand handle with bolt determines Position part 17 crack it is vertical mutual to being fixed in perforation, with top nut twist-on, when described left hand is 11 and described right handgrip After 12 fold, described left hand is caught in the C-shaped bayonet socket of the hand handle keeper of revolver fork arm 11, described right handgrip 12 It is caught in the C-shaped bayonet socket of the hand handle keeper of right wheel fork arm.

Described front fork 2 is made up of left front fork arm and right front fork stem, and described left front fork arm and described right front fork stem are all It is made up of metal circular tube, the lower end of the lower end of the left front fork arm and the right front fork stem is all in flattening shape, the left front fork arm Lower end flattening at and the lower end flattening of the right front fork stem at be all provided with the gap of ∩ shapes, the upper end of the left front fork arm and institute State the left round tube hole close-fitting socket for folding substrate 16 and reinforced with pin, the upper end of the right front fork stem and the folding substrate 16 right round tube hole close-fitting is socketed and reinforced with pin.

Described side arm 3 connect before including part, rotary part and after connect part, the blank that part is aluminium extruded type is connected before described, Connect part before described in the V-shaped overlooked, the circular hole that two front ends of part and a rear end respectively have a band to crack is connected before described, before described Even two bands of two front ends of part crack circular hole crack it is vertical be respectively provided with one laterally to perforation, the band that part front end is connected before described cracks Circular hole be inconjunction with crack it is vertical laterally perforation is referred to as before amplexis hole, the band that part rear end is connected before described cracks the cracking of circular hole Vertical to be provided with one laterally to perforation, the band circular hole that cracks that part rear end is connected before described is inconjunction with to crack and vertical laterally perforation is referred to as For rear amplexis hole, amplexis hole is fixedly connected in the middle part of front fork by the twist-on of bolt and nut before the two of part are connected before described, before described Even the rear amplexis hole of part is fixedly connected with the front axle tube of rotary part by the twist-on of bolt and nut, and described rotary part includes Front axle tube and two bearings, the upper and lower side of front axle tube pore, which is respectively milled with, places the counterbore that spin axis is held, and two bearings are embedded in front axle respectively In the counterbore of pipe upper and lower side, and by the endoporus of two bearings, corresponding to connecting pair that two sides are mutual above and below the groove profile of part front end after described Perforation, described rear even part are the slice processing parts of aluminium extruded type, and the front end that part is connected after described is in groove profile, and part groove profile is connected after described Both sides are provided with mutual to perforation up and down, and the both sides up and down that part groove profile is connected before described strike out fillet, part rearward end is connected after described It is in the rod stretched to the back lower place to be, the middle part of part rearward end and lower end are connected after described respectively a transverse holes, and part groove is connected after described Type it is mutual to being punched through to locking bolt connection rotary part.

Described double front-axle beams 4 are made up of two rectangular tubes and connector, and the transverse direction of the front end of two rectangular tubes is provided with mutual To perforation, the medial surface of the anterior medial surface of two rectangular tubes and two rectangular tube rear ends is provided with riveted holes, and connector is by a gold medal The groove profile part that is stamped to form of category piece, the bottoms of connector groove profile two sides have one mutual to perforation, connector groove profile both sides Riveted holes are arranged at the top in face, and the upper top of connector groove profile has connecting hole, and the riveted holes of connector groove profile two sides pass through rivet Riveted with the riveted holes of the medial surface of two rectangular tube rear ends, described double front-axle beams 4 also include front connecting piece, front connecting piece be by There are riveted holes, the upper top of front connecting piece groove profile in the groove profile stamping that one sheet metal is stamped to form, the two sides of front connecting piece groove profile There is connecting hole, the riveted holes of front connecting piece two sides are riveted by rivet and the riveted holes in two rectangular tube front inner faces, described Double 4 liang of rectangular tube front ends of front-axle beam laterally it is mutual to be punched through to lock bolt with it is described before connect transverse holes in the middle part of part and rotate and connect Connect, double connector bottoms of front-axle beam 4 it is mutual to the previous phase that is punched through connecting lock bolt with the groove profile of fork 5 afterwards part Mutual is rotatablely connected to perforation.

Described rear fork 5 connects part by groove profile and two dropout are formed, and groove profile connects part and is stamped to form by a sheet metal Groove profile part, groove profile, which connects the front and rear of the bottom of part two sides, respectively to be had one mutual to perforation, and the top that groove profile connects part two sides has It is front and rear two mutual mutual to wearing square hole to also having between perforation to connect part two sides bottom for riveted holes, groove profile, and groove profile connects part The riveted holes of two sides are riveted by rivet and two dropout, and dropout is part made of flat bar sheet metal, dropout There are riveted holes at front end and middle part, and there is circular hole the rear end of dropout, rear connecting piece, rear connecting piece are also associated with the middle part of two dropout The groove profile stamping being stamped to form by a sheet metal, there are a riveted holes two sides of rear connecting piece groove profile, rear connecting piece groove profile it is upper Connecting hole is arranged at top, and the riveted holes of rear connecting piece two sides are riveted by the riveted holes in the middle part of rivet and two dropout, and groove profile connects Also include lock pin and spring on part, the left end of lock pin is in the dead bolt shape of door lock, and the right part of lock pin is in square cotter shape, the side of lock pin There is a pin hole at pin-shaped close dead bolt shape, the square cotter shape of lock pin penetrates groove profile from left to right, and to connect part two sides bottom mutual To wearing in square hole and in spring, and pin positioning is filled in the pin hole of lock pin square cotter shape, lock pin under the action of the spring can The lower section of lower link 6 described in interlocking.

Described lower link 6 is the part made of metal round rod, and the front-end and back-end of the lower link 6 are all in the right Right-angle bending, respectively there are a horizontal screwed hole, institute at the two-end-point of the right-angle bending of the front-end and back-end of the lower link 6 to the right State the right-angle bending of the front end of lower link 6 to the right and penetrate after described and connect in the transverse holes of part lower end, and institute is fastened to a bolt State the front end of lower link 6 to position in the screwed hole of right-angle bending end points to the right, the right-angle bending of the rear end of the lower link 6 to the right Penetrate the groove profile of fork 5 after described and connect that part is latter mutual in perforation, and the rear end of the lower link 6 is fastened to a bolt Positioned in the screwed hole of right-angle bending end points to the right.

Described front running board 71 is formed by plastic injection, and there are a slot-type openings front end of front running board 71, described after folding The slot-type openings of front running board 71 are corresponding with the rear even part of the side arm 3, and there is a slotted hole at the middle part of front running board 71, folds Afterwards, the slotted hole of the front running board 71 is corresponding with described trailing wheel 82, and there is number the bottom surface of the front and rear of front running board 71 There is downward stile at individual twist-on hole, the edge of the front running board 71, and there is the grid of vertical and horizontal the bottom surface of the front running board 71 The reinforcement of shape, the stile at the edge of front running board 71 and the reinforcement of the bottom surface vertical and horizontal of the front running board 71 integrally connect Pass through, the front running board 71 upward on be also distributed with antiskid particles, antiskid particles are upper prominent pinnacle round dots, the front running board Several twist-on holes of the bottom surface of 71 front and rears are connected by the front connecting piece and connector of tap bolt and double front-axle beams 4 Connect.

Described bumper step 72 is formed by plastic injection, and the rearward end of bumper step 72 has a U-shaped opening, the bumper step 72 U-shaped opening is corresponding with described trailing wheel 82, and there are several twist-on holes the bottom surface of the front end of bumper step 72 and middle part, described There is downward stile at the edge of bumper step 72, and there are the reinforcement of the clathrate of vertical and horizontal, institute in the bottom surface of the bumper step 72 The reinforcement of the stile and the bottom surface vertical and horizontal of the bumper step 72 of stating the edge of bumper step 72 integrally links up, the bumper step 72 Upward on antiskid particles are also distributed with, several twist-on holes of the bottom surface of the front end of bumper step 72 and middle part pass through self tapping spiral shell Bolt connects part with the groove profile of the rear fork 5 and rear connecting piece is connected.

Described front-wheel 81 is 8 inches of wheel, and a bearing, the front-wheel 81 are respectively inlayed in the center of the two sides of front-wheel 81 It is socketed on by the bearing of two sides on described front axle, described trailing wheel 82, which is 8 inches, takes turns, in the two sides of trailing wheel 82 The heart respectively inlays a bearing, and the trailing wheel 82 to lock bolt with the rear end circular hole of two dropout 6 by being connected.

Claims (10)

1. a kind of folding grip linkage type foldable scooter, including quick-folding handlebar, front fork, side arm, double front-axle beams, rear fork, under Connecting rod, front running board, bumper step, front wheels and rear wheels, it is characterized in that：Quick-folding handlebar includes left hand handle, right handgrip, upper interlocking Part, left lock-connecting piece, right lock-connecting piece, fold substrate and two hand handle keepers, left hand is being upper end work by pipe with right handgrip Right-angle bending forms, and the lower end of left hand handle and the lower end of right handgrip are respectively provided with a pair of perforation, and the upper end connection of left hand handle is locked The left part part of fitting, the right members of the upper lock-connecting piece of upper end connection of right handgrip, the bottom of left hand handle connects left lock-connecting piece, right The bottom of hand handle connects right lock-connecting piece, and left hand is the left side groove that folding substrate is connected to perforation of lower end, right handgrip lower end The right groove for folding substrate is connected to perforation, folding the anterior left side of substrate has a vertical left side groove, before folding substrate There is vertical the right groove on the right of portion, folding the right back of substrate left side groove has a vertical left round tube hole, and it is left to fold substrate There is a vertical left rectangular opening right back of round tube hole, folds close-fitting in the left rectangular opening of substrate and fills in left flat pin, left flat pin Front left side twist-on left semicircle hook bolt, folding groove left back on the right of substrate has a vertical right round tube hole, folds the right circle of substrate There is a vertical right rectangular opening left back of through hole, folds close-fitting in the right rectangular opening of substrate and fills in right flat pin, right flat pin Forward right side twist-on right semi-circle hook bolt, the left round tube hole of substrate is folded with the right round tube hole of substrate is folded and connects front fork, left lock-connecting piece energy Left semicircle hook bolt interlocking with folding substrate, right lock-connecting piece can be with the right semi-circle hook bolt interlocking of folding substrate, upper lock-connecting pieces Left part part can with the right members interlocking of upper lock-connecting piece, two hand handle keepers be connected to front fork revolver fork arm bottom and After the bottom of right wheel fork arm, left hand handle and right handgrip fold, left hand is the C-shaped for being caught in the hand handle keeper positioned at revolver fork arm In bayonet socket, right handgrip is caught in the C-shaped bayonet socket of the hand handle keeper of right wheel fork arm；Side arm by it is preceding even part, rotary part and After connect part composition, the preceding amplexis hole of preceding even part is fixedly connected in the middle part of front fork, and preceding even the front and rear of part respectively has amplexis hole, rotary part Connect before being installed on the rear amplexis hole of part, after to connect the front end of part be in groove profile, after connect part groove profile both sides up and down have it is mutual to wearing Hole, after connect the middle part of part rear end and lower section and respectively have a transverse holes, after connect part groove profile it is mutual to being punched through to locking bolt connection Rotary part；Double front-axle beams are formed by connecting by the rear end and connector of two rectangular tubes, and the transverse directions of double front ends of front-axle beam two has mutual To perforation, connector is a groove profile stamping, and the two sides of connector groove profile have one mutual horizontal to perforation, double front ends of front-axle beam two It is mutual to being punched through being rotatablely connected lock bolt with before connecting the transverse holes in the middle part of part, double preceding beam connections it is mutual to perforation Perforation is rotatablely connected by connecting the previous mutual of part with rear fork groove profile to lock bolt；After fork connects part and two by groove profile afterwards Forks piece is formed by connecting, and it is a groove profile stamping that groove profile, which connects part, groove profile connect the two sides of part it is front and rear respectively have it is one mutual to perforation, under Connecting rod is the part made of metal round rod, and the front end of lower link connects part lower end transverse holes with after and is rotatablely connected, after lower link End connects that part is latter mutual to be rotatablely connected to perforation with groove profile；Front running board is connected to double front-axle beams, fork after bumper step connection, front-wheel Front axle is installed on, trailing wheel is installed on two rear ends of rear fork.

2. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：The lower end of the left hand handle and institute State and a thick-walled metal pipe is respectively plugged with the lower end pore of right handgrip, the lower end of the left hand handle is inconjunction with the heavy wall being located therein Metal circular tube is provided with a pair of perforation, and the lower end of the left hand handle is to the hole heart extended line of perforation and the right-angle bending of the left hand handle In 45 ° of angles of vertical view, the lower end of the right handgrip is inconjunction with the thick-walled metal pipe being located therein and is provided with a pair of perforation, described The lower end of right handgrip is to the hole heart extended line of perforation with the right-angle bending of the right handgrip in the 45 ° of angles overlooked.

3. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：Right members are by connecting seat and screw Set is formed, and the right-hand member of connecting seat has a vertical hole of cracking, and it is vertical mutual to perforation, connection by one to crack that hole cracks for connecting seat Seat left part is in the circular bar shape of stretching, extension to the left, and the left end of connecting seat circular bar shape has axial screwed hole, and the left end for screwing set has One counterbore, screw and internal thread is carried in the counterbore of set, screwing the axial direction of the right part of set has a round tube hole, screws the circle of set axial direction Through hole and the female counterbore insertion of band for screwing set, the round tube hole for screwing set axial direction are socketed on the stretching, extension of connecting seat to the left In circular bar shape, and by the cooperation of bolt and pad, set will be screwed it is rotatably connected and carry internal thread on connecting seat, screw set Counterbore can with the left part part convex shoulder external screw thread twist-on pin.

4. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：Connect part before described in vertical view V-shaped, amplexis hole is fixedly connected in the middle part of front fork by the twist-on of bolt and nut before the two of part are connected before described, connects part before described Amplexis hole is fixedly connected with the front axle tube of rotary part by the twist-on of bolt and nut afterwards, and described rotary part includes front axle tube And two bearings, the front end that part is connected after described is in groove profile, connect after described part groove profile both sides up and down be provided with it is mutual to perforation, it is described Connect afterwards part groove profile it is mutual to being punched through to locking bolt connection rotary part.

5. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：It is to be in connect part rearward end after described The rod stretched to the back lower place, respectively there are a transverse holes at the middle part and lower end that part rearward end is connected after described.

6. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：The anterior medial surface of two rectangular tubes Riveted holes are provided with the medial surface of two rectangular tube rear ends, the riveted holes of connector groove profile two sides pass through rivet and two rectangular tubes The riveted holes riveting of the medial surface of rear end, described double front-axle beams also include front connecting piece, the riveted holes of front connecting piece two sides Riveted by rivet and the riveted holes in two rectangular tube front inner faces.

7. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：Groove profile connects part two sides bottom Front and rear two is mutual mutual to wearing square hole to also having between perforation, after groove profile connects the riveted holes of part two sides by rivet and two Forks piece rivets, and dropout is part made of flat bar sheet metal, and rear connecting piece is also associated with the middle part of two dropout.

8. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：Groove profile, which connects, also includes lock on part Pin and spring, the left end of lock pin are in the dead bolt shape of door lock, and the right part of lock pin be in square cotter shape, close dead bolt on the square cotter shape of lock pin Have a pin hole at shape, the square cotter shape of lock pin penetrate from left to right groove profile connect part two sides bottom it is mutual to wearing in square hole and bullet In spring, and pin positioning is filled in the pin hole of lock pin square cotter shape, lock pin under the action of the spring can lower link described in interlocking Lower section.

9. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：The front end of the lower link is with after End respectively has one laterally all in right-angle bending to the right at the two-end-point of the right-angle bending of the front-end and back-end of the lower link to the right Screwed hole.

10. folding grip linkage type foldable scooter according to claim 1, it is characterized in that：The former riding front edge of board has one Slot-type openings, after folding, the slot-type openings of the front running board are corresponding with the rear even part of the side arm, have in the middle part of the front running board One slotted hole, after folding, the slotted hole of the front running board is corresponding with described trailing wheel, and the bumper step rearward end has one U-shaped Opening, the U-shaped opening of the bumper step are corresponding with described trailing wheel.