CN2671940Y

CN2671940Y - Hidden type folding structure of folding bicycle

Info

Publication number: CN2671940Y
Application number: CN 200320108356
Authority: CN
Inventors: 蔡杜淑姿
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-26
Filing date: 2003-11-26
Publication date: 2005-01-19
Anticipated expiration: 2013-11-26

Abstract

The utility model relates to a hidden type folding structure of folding bicycle whose main structure is that the two corresponding ends of the folding tube of the foldable bicycle are respectively provided with a folding box. The two folding boxes are pivoted into the folding boxes by a connecting base whose two ends are provided with pivoting holes and the two boxes are rapidly locked or opened by using a rapid disassembling set hidden in the folding boxes. The utility model has simple folding operation and excellent locking and connecting strength.

Description

The concealed foldable structure of folding bicycle

Technical field

The utility model relates to a kind of Folding Bicycle, be meant that especially a kind of two corresponding end that are positioned at the folded tube of folding bicycle respectively are provided with a folded box and can supply to do in case of necessity folding folding, and aesthetic in appearance, folding operation is simple, has the folded structure of splendid snap close and strength of connection simultaneously.

Background technology

Folding Bicycle, as its name suggests, promptly be to have folding closing function, and volume after folding is little, no matter carry or take in transport all very convenient, therefore favored by the customer, wherein, early stage Folding Bicycle, as Fig. 1, shown in 2, mainly on the cycle frame pipe 10 or on, under manage 10 a foldable structure 20 respectively be set, this foldable structure 20 comprises two connecting supports 21, one pivotal axis 22 and a quick detach group 23, this two connecting support 21 be welded in respectively the pipe 10 or on, manage down on 10 two folded ends, this pivotal axis 22 stretches through and is articulated in two connecting supports, 21 1 sides, and two connecting supports 21 can be folded for axle center work one pivots by this pivotal axis 22, and this quick detach group 23 is installed on two connecting supports, 21 opposite sides in addition, snap close is fixed in the time of can and connecing for two connecting supports 21, makes this foldable structure 20 have bicycle folding and folds effect; But the shortcoming of this foldable structure 20 is:

The pedestal both sides of 1 foldable structure for upper and lower pipe caliber, are the evagination shape, and the installation that is beneficial to articulate mutually with the quick detach group is arranged in pairs or groups, thus moulded quite lofty, influence aesthetic property.

The foldable structure of 2 evaginations because the stage casing of the upper and lower pipe in position place, is therefore driving when trampling, and drives personnel's shank knee etc. and locates, and all may touch with it and injured, thereby influence drives safety.

As shown in Figure 3, be the bicycle folding structure that another kind is commonly used, it utilizes 30 liang of folded end joint one sides of folded tube to establish a pivotal axis 31, side and connect and form a depressed part 32 in addition, device one snap close 40 is formed on depressed part 32 again; Wherein, as shown in Figure 4, this snap close 40 includes a hook pull seat 41, one pivot connecting seat 42, a spanner 43 and a clasp 44, and this hook is pulled, and to be fixed at 32 liang of depressed parts respectively relative and connect side for seat 41 and pivot connecting seat 42, spanner 43 is pivoted mutually with pivot connecting seat 42 simultaneously, spanner 43 1 ends and clasp 44 suitably link, when this spanner 43 being pressed in being subjected to pull button or external pressure to release, can interlock control clasp 44 and the hook seat 41 of pulling collude mutually and hold or release, make two folded ends can do one and firmly be connected, or utilize a side pivotal axis 31 works one jackknife action.

But this foldable structure utilizes the depressed part of folded end, cooperates latching system, though can effectively reduce the degree of exposing, improves the moulding aesthetic feeling, blemish in an otherwise perfect thing be that its drive-connecting shaft still adopts and exposes design, destroys and form great vision; Secondly, Regular Bicycle drives in the process, vehicle body rocks with vibrations unavoidable, therefore the pivot connecting seat of this foldable structure latching system and the hook seat of pulling, only utilize general spiral lock its screw lock to be fixed in the depressed part of two folded ends, its strength of connection is obviously not enough, and is subjected to easily rocking and the influence that shakes, the possibility that having gets loose drops; Once more, its mutual screw lock joint all adopts the sheet body design, and its intensity is obviously not enough, is easy to generate the distortion fracture when stressed, and have a strong impact on the safety that drives; At last, if be subjected to not specific lateral forces, it will act on each spiral lock or be subjected on the parts of screw lock this foldable structure in driving, if the snap close undercapacity of this foldable structure also is damaged easily, and influence drives safety.Therefore, how at the shortcoming of above-mentioned foldable structure, taking into account the moulding aesthetic feeling, manipulating under the situation of advantages such as convenient and structural strength be good, creating another kind of foldable structure, will be that relevant dealer eagerly expects with customer institute.

Summary of the invention

The design people in view of this, rely on long-term research and fusion to connect for various bicycle folding structures, create a kind of concealed foldable structure of folding bicycle, the utility model is aesthetic in appearance, folding operation is simple, has splendid snap close and strength of connection simultaneously.

The utility model mainly is that folded tube two corresponding end at folding bicycle respectively are provided with a folded box, two folded box utilize pivot pin to be articulated in the folded box by the joint seat that two ends respectively have pivoted hole, utilize one can be hidden in quick detach group in the folded box with two folded box fast lockings or open again.

By above explanation as can be known, the concealed foldable structure of the utility model folding bicycle can reach following effect:

1. have moulding attractive in appearance and driving property of safety: because each member of the utility model folded structure does not expose outside the folded tube outer edge surface, so commonly use the partly situation of member evagination, has better moulding attractive in appearance, simultaneously the rider is also more unlikely touches folded structure and injured, drives safety so have more.

2. the snap close connecting structure is firm: because two folded box of the present utility model all design with two folded ends of folded tube employing socket solid welding, so connected structure intensity height, the pivot that can guarantee two folded box is folding, and the firm buckle of two folded box links, while is in order to the quick detach group of two folded box that lock, when two folded box are pivoted into relative shape, it is pulled and presses body can closely be fastened on the interior U-shaped permanent seat of folded box containing groove, so also can effectively avoid the quick detach group in the process of driving, to produce the situation of uncaging, thereby can guarantee the safe fastness that drives.

3. operate simple and easy fast: because between two folded box of the present utility model, utilize the quick detach group that is hidden in the folded box that two folded box are sealed or open, so integrated operation is very simple quick, but and any easy operation per capita, and have operation ease

Description of drawings

Fig. 1 is a schematic appearance of commonly using the bicycle folding structure.

Fig. 2 is a stereo appearance figure of commonly using the bicycle folding structure.

Fig. 3 is a three-dimensional combination figure of commonly using another bicycle folding structure.

Fig. 4 is a three-dimensional exploded view of commonly using another foldable structure.

Fig. 5 is the three-dimensional combination figure of the utility model folded structure.

Fig. 6 is the three-dimensional exploded view of the utility model folded structure.

Fig. 7 is the utility model folded structure and the plan sketch that connects state.

Fig. 8 is the utility model folded structure and the side-looking generalized section that connects state.

Fig. 9 is the action scheme drawing that uncages of the utility model folded structure.

Figure 10 is the pivot jackknife action scheme drawing of the utility model folded structure.

Figure 11 is the assembling scheme drawing of the utility model folded structure one preferred embodiment.

Figure 12 is the block diagram of another embodiment of the utility model folded structure.

(figure number explanation)

10 ... upper and lower pipe 20 ... foldable structure

21 ... connecting support 22 ... pivotal axis

23 ... quick detach group 30 ... folded tube

31 ... pivotal axis 32 ... depressed part

40 ... snap close 41 ... the hook seat of pulling

42 ... pivot connecting seat 43 ... spanner

44 ... clasp 50 ... folded tube

51 ... folded end 510 ... breach

52 ... folded end 520 ... breach

60 ... foldable structure 61 ... folded box

610 ... containing groove 6101 ... screw

611 ... pedestal 6110 ... pivot connected slot

6111 ... recess 6112 ... slot

6113 ... echelon form groove 6114 ... the socket part

62 ... folded box 620 ... the capacity groove

621 ... pedestal 6210 ... pivot connected slot

6211 ... recess 6212 ... the echelon form projection

6213 ... socket part 63 ... joint seat

630 ... pivoted hole 64 ... pivot pin

65 ... quick detach group 651 ... pull the pressure body

6510 ... eccentric band flange 6511 ... catching groove

6512 ... groove 652 ... locking-bar

6520 ... lining 6521 ... compression spring

6522 ... sleeve pipe 6523 ... nut

653 ... axle bolt 66 ... the U-shaped permanent seat

660 ... pivot ear 6601 ... horizontal long pivot hole

661 ... elastic fastening plate 62 ... base plate

6621 ... location lug 6622 ... perforation

The specific embodiment

Shown in Fig. 5-8, the concealed foldable structure 60 of the utility model folding bicycle, mainly be that 50 liang of corresponding end of folded tube at folding bicycle respectively are provided with a folded

box

61,62, it is ccontaining for a quick detach group 65 wherein to be provided with capacity groove 610 in the folded box 61, the pivot end of containing groove 610 is shaped to the pedestal 611 identical with folded tube 50 shapes, one side of this pedestal 611 is provided with pivot connected slot 6110 and utilizes a pivot pin 64 to be articulated in the pedestal 611 for the joint seat 63 that two ends respectively have pivoted hole 630, and the external side end of pedestal 611 then is provided with one for the ccontaining recess 6111 of quick detach group 65 locking-bars 652; And another folded box 62 is relative shape with above-mentioned folded box 61, the pivot end of its containing groove 620 also is shaped to the pedestal 621 identical with folded tube 50 shapes, 6210 of one side pivot connected slots of this pedestal 621 are articulated in the pedestal 621 with a pivot pin 64 equally with joint seat 63 other end pivoted holes 630, and the external side end of pedestal 621 also is provided with one relatively for the ccontaining recess 6211 of quick detach group 65 locking-bars 652; And behind the pivot connected

slot

6110,6210 and joint seat 63 pivot joints of two folded box, 61,62 1 sides, this joint seat 63 is placed in the pivot connected

slot

6110,6210 just, and outside outstanding two folded

box

61,62; Two folded box 61 in addition, 62 opposite ends that articulate are then fixed by a quick detach group 65 snap closes, this quick detach group 65 has pulling of eccentric band flange 6510 by one and presses body 651 pivot joints one locking-bar 652 to form, wherein this is pulled and presses the both sides appropriate location of body 651 to be concaved with catching groove 6511, and groove 6612 is offered into for pressed body 651 and locking-bar 652 switchings by pulling of axle bolt 653 pivot joints in the middle section of eccentric band flange 6510, be nested with a lining 6520 on this locking-bar 652 in regular turn, one compression spring 6521, establish a nut 6523 in the thread segment place of tail end lock again behind one sleeve pipe 6522, and the quick detach group 65 after forming places in the U-shaped permanent seat 66 again and hide the containing groove 610 that is fixed in folded box 61, this U-shaped permanent seat 66 is to be bent into by the plate body integrated punching, both sides respectively are formed with one and have the pivot ear 660 in horizontal long pivot hole 6601 and the elastic fastening plate 661 that a tail end has the indent arc, just can pull 653 pivot joints of axle bolt and the both sides catching groove 6511 of pressing body 651 for quick detach group 65 fastens, base plate 662 central predetermined positions up convex with a location lug 6621 again and pull pressure body 651 to support shelves, and U-shaped permanent seat 66 protrudes from the leading edge of two pivot ears 660 and two perforation 6622 of nearly trailing edge place by base plate 662, is inserted in respectively to be locked in the default screw 6101 in containing groove 610 bottoms via two perforation 6622 with screw after folded box 61 containing grooves 610 bottom edge stretch into slot 6112 in the pedestal 611 again.

Secondly, pedestal 611, the 621 butt joint end faces of two folded

box

61,62 are provided with chimeric mutually trapezoidal groove 6113 and projection 6212 in addition, the benchmark during as 61,62 butt joints of two folded box.

Once more, the utility model respectively is provided with the breach 510,520 that lucky appearance two folded

box

61,62 containing grooves 610,620 architraves are nested with at two folded

ends

51,52 of folded tube 50, two folded box, 61,62 pedestals, 611, the 621 inboard

less socket parts

6114,6213 of step shape that form are inserted in two folded ends, 51,52 pipes of folded tube 50 with this

socket part

6114,6213 just.

It more than is the general introduction of structure, position and the relation connected to each other of each member of the utility model preferred embodiment; Now, the effect that action of the present utility model and expection are reached is presented below again:

As Fig. 7, shown in 8, concealed foldable structure 60 of the present utility model is when sealed, two folded box 61,62 are pivoted into relative shape by joint seat 63, this moment, locking-bar 652 switchings with quick detach group 65 were across two folded box 61,62 pedestals 611,621 recess 6111, in 6211, and because the sleeve pipe 6522 of locking-bar 652 is for compression spring 6521 is exposed, so its length is not to exceed two folded box 61,62 pedestals 611,621 recess 6111,6211 exceed, therefore adjusting locking-bar 652 tail end nuts 6523 to suitable tightness, can press body 651 in the containing groove 610 of folded box 61, to press down pulling of quick detach group 65, and the locking-bar 652 tail end nuts 6523 and lining 6520 packings two folded box 61 of the eccentric band flange 6510 of pressure body 651 with quick detach group 65 are pulled in utilization, 62, and can produce cross travel slightly owing to pull the effect because of eccentric band flange 6510 when pivoting of pressure body 651, so can making to pull, the horizontal long pivot hole 6601 of U-shaped permanent seat 66 both sides pivot ears, 660 formation press the pivotal axis bolt 653 of body 651 and locking-bar 652 to make suitable space displacement (as shown in Figure 9).

And fold when folding when concealed foldable structure 60 of the present utility model, with above-mentioned action reversed operation, two folded

box

61,62 can be formed the doubled state (shown in Fig. 9,10) of 180 degree.

In addition, as shown in figure 11, the concealed foldable structure 60 1 preferred embodiments assembling scheme drawing of the utility model folding bicycle, if wherein folded tube 50 is an inclination angle shape, the pedestal 611,621 of this two folded

box

61,62 can be set as and become vertical inclination with ground, but the joint seat 63 of two folded

box

61,62 must be held in level to pivot joint, and its front and back wheel just is able to overlapping folding.Example structure block diagram when being the level of state as shown in figure 12, for folded tube.

In sum, the concealed foldable structure of the utility model folding bicycle provides a kind of folded tube of folding bicycle, can be for doing folding folding in case of necessity, and have handsome in appearance, ease of Use and the splendid effect of snap close intensity, make integral body have industrial applicability and cost benefit.

The above is specific embodiment of the utility model and the know-why used, as if the change of doing according to conception of the present utility model, when the function that it produced does not exceed the scope that specification sheets and accompanying drawing contain yet, all should be in scope of the present utility model.

Claims

1. the concealed foldable structure of a folding bicycle, folded tube two corresponding end that it is characterized in that this folding bicycle respectively are provided with a folded box, two folded box utilize pivot pin to be articulated in the folded box by the joint seat that two ends respectively have pivoted hole, utilize one can be hidden in quick detach group in the folded box with two folded box fast lockings or open again.

2. the concealed foldable structure of folding bicycle according to claim 1, it is ccontaining for the quick detach group to it is characterized in that being provided with in two folded box containing groove, the pivot end of containing groove is shaped to the pedestal identical with the folded tube shape, this pedestal one side is provided with pivot connected slot, the joint seat that respectively has pivoted hole for two ends utilizes a pivot pin to be articulated in the pedestal, and the pedestal external side end is provided with one for the ccontaining recess of quick detach group locking-bar.

3. the concealed foldable structure of folding bicycle according to claim 1 is characterized in that this quick detach group has pulling of eccentric band flange by one and presses body to articulate a locking-bar to form.

4. according to the concealed foldable structure of claim 1 or 3 described folding bicycles, it is characterized in that this quick detach group is pulled presses the both sides appropriate location of body to be concaved with catching groove, and groove is offered in the eccentric band flange middle section, press body and locking-bar switching for pulling of articulating of bolt, be nested with in regular turn on this locking-bar to lock in tail end thread segment place again behind a lining, a compression spring, the sleeve pipe and establish a nut.

5. according to the concealed foldable structure of claim 1 or 3 described folding bicycles, it is characterized in that this quick detach group hub setting also hiding being fixed in the containing groove of folded box in a U-shaped permanent seat.

6. the concealed foldable structure of folding bicycle according to claim 5, it is characterized in that this U-shaped permanent seat forms with the bending of plate body integrated punching, both sides respectively are formed with one and have the pivot ear in horizontal long pivot hole and the elastic fastening plate that a tail end has the indent arc, base plate central authorities predetermined position up convexes with a location lug again in addition, and base plate protrudes from two pivot ear leading edges and nearly trailing edge place is provided with perforation, can be inserted in respectively after folded box containing groove bottom edge stretches into slot in the pedestal, be locked in via perforation in the default screw in containing groove bottom with screw again.

7. the concealed foldable structure of folding bicycle according to claim 1 is characterized in that the pedestal butt joint end face of two folded box is provided with chimeric groove and projection mutually in addition.

8. the concealed foldable structure of folding bicycle according to claim 7 is characterized in that groove and projection are trapezoidal.

9. the concealed foldable structure of folding bicycle according to claim 1 is characterized in that two folded ends of folded tube respectively are provided with the breach that lucky appearance two folded box containing groove architraves are nested with.

10. the concealed foldable structure of folding bicycle according to claim 1 is characterized in that the inboard less socket part of step shape that forms of two folded box pedestals, is inserted in the two folded end pipes of folded tube with this socket part just.