CN2349114Y - Bicycle frame joint structure - Google Patents

Abstract

The utility model provides a bicycle frame joint structure, especially a joint structure of foldable bicycle, close seat, base, snap-fastener, pivot, gasket, screw rod, wear the axle sleeve, wear mandrel, locating pin, fixed pin, nut, two springs, two C shape buckles etc. by the lid and constitute, can borrow by the dual fixed of locating pin and snap-fastener, make lid close the seat and the firm location of base is connected. The two seats can be quickly separated, so that the bicycle framework can be stably connected and can be quickly folded.

Description

Bicycle skeleton connected structure

The utility model is a kind of about bicycle skeleton connected structure, the connected structure of Folding Bicycle skeleton particularly, it mainly comprises: cover seat, base, snap-fastener, pivot, pad, screw rod, wear members such as axle sleeve, punching axle, locating dowel pin, set pin, nut, two springs, two C shape clasps, and can be by the double fixed of locating dowel pin and snap-fastener, cover the fixedly connected for strong fix of seat and base and make, and it covers seat and separates fast with being separated into of base, engages strong fix and receives folded effect fast and reach the bicycle skeleton.

Bicycle is for the modern life, develop into gymnastic apparatus by in the past running vehicle, yet, no matter be the gymnastic apparatus that the vehicle of riding instead of walk or motion are used, how when not using, to tighten the volume of bicycle, with convenient transportation carrying or collection, it is the problem of a significant and discussion, therefore the bicycle manufacturer develops a kind of folded bicycle of receiving, because it is folded that the skeleton of bicycle must be received, therefore the generation of skeleton connected structure is arranged then, and the skeleton connected structure of known Folding Bicycle, two kinds of connected structures of row under can be summarized as;

First kind of juncture mainly ties up to the vertical tube that is pivoted between the upper and lower pipe of side arm, and the lock frame of assembling one JiongZi Xing between the upper and lower two back pivot seats of after-frame, and between lock frame and montant, be provided with pole, this pole one end is arranged on the montant, and end then is articulated with the lock frame in addition, by aforementioned combination, and can be when vehicle frame struts, can make lock frame angle cross the vehicle frame line of centers, and the effect of locking can be provided, and can do folding effect; And under aforementioned side arm the sheathed spring in the hinged arm lower end in the pipe, one end of this spring is fixed on the montant, and end erects a elastic force between frame and following pipe by being fixed on down in the pipe and can be provided by spring in addition, make montant in side arm, keep suitable relative position, so that fold or strut; In addition pole be arranged in one of montant end be by adjust nut assemble fixing, and can be by the cooperation of adjusting nut, can adjust relative position between pole and montant by the user, but and the tightness of accuracy control lock frame when securing to the location; And by preceding taking off the described following disappearance that has as can be known; (1), can only do big portion folds, its take up space big (2), must utilize the adjustment nut to adjust the suitable spacing of locking frame, therefore when driving, bicycle adjusts the phenomenon that nut obviously can become flexible, thereby certainly will influence the fixed of pole and montant, and then influence the safety (3) of unitized frame, bindings of lock frame engage to be by buckleing the mode of taking, it is strutting fixedly connected when using and built on the sand, drive face in ripple road, mountain peak because of bicycle easily, and cause lock frame itself not fixed, break away from each other and cause accident and the lock frame takes place.

The second way, it is main: be to set up a main body and a pair of zoarium separately, and main body with one of zoarium end is established relative sleeve pipe and chimera that can be involutory, this sleeve pipe and chimera are established a pull bar and are therefrom passed, it is relative with chimera that the end that this pull bar is positioned at fast dismounting handle is provided with a bullet card body, and establish a spring in its sleeve pipe, can push up the system pull bar moves to bullet card body direction, and establish the appearance body space at sleeve pipe and the relative chimera between main body, bulk end is established relative perforation, and in the perforation side establish axial trough, ccontaining with ammunition feed card body, the direction of the relative pull bar of this chimera is established the embeded slot of opening shape, and closely the zoarium place is arranged with the embedding shoulder of shoulder shape at relative bullet card body end, the sleeve pipe below holds the distance of body space at interval and establishes a bullet card body, the footpath is relative with perforation outside this bullet card body, bullet card body can in the perforation on, move down, the whole apical margin of bullet card body central authorities are passed for pull bar, and tie spacer and nut, bullet card body is limited on the pull bar, and make tool spring in the bullet card body, bullet card body is had toward holding the trend that body space moves, and bullet card body relatively the relative chimera of this appearance body space ora terminalis establish the embedding shoulder, with mutual inlay card location, and on pull bar, establish one and support axon, guarantee the unlikely appearance body space that excessively enters of this bullet card body to replace bullet card body; And it has been comparatively progressive than first kind of mode structure as can be known by aforementioned structure, yet, but still have following disappearance: (1), fast dismounting handle by the operation pull bar, and make the main body of connected structure with to zoarium, can reach quick disengaging and rapidly solidified purpose, yet in the not airtight space of bicycle, the situation of misreading fast dismounting handle because of the fierceness of moving is arranged in fact, and cause accident that (2) take place, give birth to fixing by the contact of bullet card body embedding shoulder, it is fixed and can't be as firm as expected, especially at cyclery during through ripple road surface, mountain peak, be subjected to the influence of natural gravity (center of gravity), the easier situation that makes fixed place that disengaging take place, so, with regard to second kind of juncture, still difficult appellation has been had the value of practicality.

The main purpose of this creation is to provide a kind of bicycle skeleton connected structure.

The technical scheme that this plane is done is: set up the two sectional type anchor fitting separately, use and reach the purpose that is completely fixed, and can not take place that the anxiety that comes off is arranged when bicycle is advanced.This two sectional type anchor fitting by longitudinal and transverse fixing, and makes fixed strength reach maximum, in order to do reaching held stationary.By the pushing and pressing arcuation pad of snap-fastener air blast shape head, and produce urgent fully fixing effect.By the fixing part and the spring of locating dowel pin, and produce fixing automatically effect, and reach quick winding by this.By aforementioned fixing automatically, even snap-fastener is just in case when break-off takes place.Must by snap-fastener knock base accordion wall shape groove, and can warn the bicycle rider, and provide the time of filling part to be fixing snap-fastener again, and the anxiety of zero accident generation.The terminal fixed nut of the screw rod of snap-fastener binding, and can adjust the tightness of snap-fastener packing.

The technological means system that this creation is used is divided into the different switches of two sectional type, and one of them switch locating dowel pin system is merely by elastic returning principle and sleeve pipe principle, and the fixing part that makes locating dowel pin must be equipped in the clamping hole that covers seat, and reach first section purpose that fixedly covers seat, snap-fastener is then adopted and is compeled the Guyuan reason, cancave cambered surface by snap-fastener air blast shape head and pad, and form a sliding surface, and can by be buckled in cover seat footstock when upwards digging, utilize the difference of wheelbase, compel solid effect and form one, and must be by the adjustment of the nut of screw rod bottom, and can adjust the solid strength of compeling of snap-fastener, snap-fastener then forms second section switch that fixedly covers seat, and can make fixed back cover and base reaches and stablizes the fixed effect that can not come off.

For the structure of this creation being formed and being assembled function, the effect that the back is reached, can be clear fully, cooperate diagram and figure number now, be illustrated in the back in detail:

Fig. 1: the stereo bicycle exterior view that is this creation.

Fig. 2: the three-dimensional system diagram that is this creation.

Fig. 3: the three-dimensional exterior view that is this creation

Fig. 3 A: the cutaway view that is figure three.

Fig. 4: the snap-fastener action diagram that is this creation.

Fig. 4 A: be an action diagram under the figure four.

Fig. 5: the seat that covers that is this creation breaks away from the locating dowel pin action diagram.

Fig. 6: the External view after seat breaks away from locating dowel pin of covering that is this creation.

The figure number explanation:

1 covers seat 22 accordion walls

2 bases, 24,25 stalks

3 snap-fasteners 27 are accepted piece

4 screw rods, 28,29,31,35,80,82,280,290 through holes

5,6 springs, 30 heads

7 locating dowel pins, 32 pivots

8 wear axle sleeve 33 screws

9 set pins, 34 pads

10,20 pivoted poles, 36 nuts

11 footstocks, 37 elongated slots

12,13,23 shape grooves, 70 termination portions

14 lugs, 71 limit portions

15,26 fixed orifices, 72 fixing parts

16,17 draw-in grooves, 73,730 holding divisions

18 clamping holes 74,75C shape clasp

19 breach, 81 punching axles, 21 arc walls

Fig. 2 is the three-dimensional system diagram of this creation, mainly comprises: cover seat 1, base 2, snap-fastener 3, pivot 32, pad 34, screw rod 4, wear axle sleeve 8, punching axle 81, members such as location lock 7, set pin 9, nut 36, two springs 5,6, two C shape clasps 74,75; And this covers seat 1 for generally being the Jiong body, its end face is offered a shape groove 13, and solid welding one pivoted pole 10 and a footstock 11, this footstock 11 also is a body, offer an involutory shape groove 12 that covers seat 1 shape groove 13 in the pedestal end face, and hold the both sides one to be connected with two lugs 14 in addition in covering seat 1 shape groove 13, and on lug 14, set up a fixed orifice 15 separately, and be arranged with two draw-in grooves 16,17 covering seat 1 pedestal both walls, in a draw-in groove 16 wherein and extend upward the clamping hole 18 that is arranged with a breach 19 downward C shapes; And this base 2 covers the shape of seat 1 for being involutory, it is involutory and covers one of seat 1 lug 14 end, one bends inwards into an arc wall 21, the fixed orifice 26 of tool one slotted hole shape in it, then establish the accordion wall 22 that one upwards bends 90 degree in the opposite end of arc wall 21, on accordion wall 22, offer a shape groove 23, between arc wall 21 and accordion wall 22, then establish two stalks 24,25 are connected, in two stalks 24, an elongated slot 37 is offered in base 2 bottom surfaces between 25, and this two stalk 24, two groups of involutory through holes 28 of tool then on 25,280,29,290, accept piece 27 and be convexly equipped with one in bottom, base 2 both sides one, and in base 2 bottom solid weldings one pivoted pole 20; This snap-fastener 3 has air blast shape head 30, establishes a through hole 31 on its head 30; This pivot 32 is a cylinder, establishes a screw 33 on cylinder; This pad 34 is a round, the higher concave arc shape that inwardly is in its two ends; This screw rod 4 is an elongated cylinder, two ends tool screw thread; This is worn axle sleeve 8 and is hollow circular cylinder, establishes the through hole 80 of a perforation on cylinder; This punching axle 81 is an elongated cylinder, establishes a through hole 82 on cylinder; These locating dowel pin 7 one ends are established a termination portion 70, the portion of contracting 71 that then limits between termination portion 70 and the fixing part 72, and on fixing part 72, establish two holding divisions 73,730.

As Fig. 2,3, shown in the 3A, the assembling of this creation: be that snap-fastener 3 with tool air blast shape head 30 places the through hole 31 of a pivot 32 in head 30, and wear the through hole 35 of an arcuation pad 34 with a screw rod 4, spiral shell is consolidated the screw 33 of pivot 32 again, and make snap-fastener 3 and pad 34 and screw rod 4 connect to one, screw rod 4 end in addition then wears a spring 5, one wears axle sleeve 8, the elongated slot 37 of the through hole of one punching axle 81 and base 2 bottom surfaces, give locking with a nut 36 again, and punching axle 81 is to be set in the axle sleeve 8, and be set up in 2 liang of stalks 24 of base, 25 near one of accordion wall 22 group through hole 28, on 280, and make snap-fastener 3 and base 2 fixed fully, and locating dowel pin 7 is worn 2 liang of stalks 24 of base, 25 organize through hole 29 separately, 290, and when wearing through hole 29 and wear a spring 6, and make spring 6 be positioned at two stalks 24, between 25, again with C shape clasp 74,75 buttons are fixed in the holding division 73 of locating dowel pin 7,730, and make C shape clasp 74,75 both sides that are placed in a stalk 25, the termination portion 70 of location an ancient wine vessel made of horn 7 and limit portion 71 is then horizontal protrudes from outside the base 2, again set pin 9 is penetrated the fixed orifice 15 that covers seat 1 lug 14 and base 2 arc walls 21, in 26 and give riveted, to cover seat 1 fixedly connected and can cover with base 2 and make, and form the shape stereo appearance figure as shown in Figure 3 of back.And the cutaway view shown in Fig. 3 A.

Shown in Fig. 4 and 4A, it is the fixed action scheme drawing of snap-fastener of this creation, as shown in the figure, the snap-fastener 3 of this creation in not fixed front and back according to screw rod 4 and spring 5 and be across outside shape groove 23 bottoms of accordion wall 22, and snap-fastener 3 is upwards dug footstock 11 end faces that itself and pad 34 placed cover on the seat 1, and again snap-fastener 3 is upwards dug, can make the cancave cambered surface of the head 30 of snap-fastener 3 according to pad 34, get a foothold last top admittedly and be head, and can fixedly fully cover seat 1 and base 2.

As shown in Figure 5, the seat that covers that is this creation breaks away from the locating dowel pin action diagram, as shown in the figure, the seat 1 that covers of this creation breaks away from locating dowel pin 7, system places snap-fastener 3 23 ends of accordion wall 22 shape grooves of base 2 earlier, the termination portion 70 of pushing locating dowel pin 7 again draws back locating dowel pin 7, and make fixing part 72 break away from the clamping hole 18 that covers seat 1, and limit portion 71 is entered in the clamping hole 18, cover breach 19 and the draw-in groove 16 and locating dowel pin 7 disengagings of seat 1 and can make by clamping hole 18, fold and can outwards lift off, it covers the shape that seat 1 breaks away from locating dowel pin 7 backs, is stereo appearance figure as shown in Figure 6.

From Fig. 5,6 as can be seen, this plane work cover fixed with locating dowel pin 7 of seat 1, system is by the fixing part 72 of the breach 19 pushing and pressing locating dowel pins 7 that cover seat 1 clamping hole 18, because fixing part 72 is to be awl circle shape, therefore covered seat 1 displacement backward during the application of force from top to bottom, and the limit portion 71 of locating dowel pin 7 is entered in the clamping hole 18 via the breach 19 that covers seat, and locating dowel pin 7 is subjected to the C shape clasp 75 on the pushing and pressing holding division 730 of spring 6, and produce the strength of an answer, and being moved to forward, fixing part 72 covers in the clamping hole 18 of seat 1, and form a blocking state, make cover the seat 1 with base 2 fixed in advance, beginning is carried out Fig. 4 again, the snap-fastener 3 of Fig. 4 A fixed, to cover seat 1 fixed with the base complete stability and make.

Comprehensively above-mentioned, this creation bicycle skeleton connected structure by being pivoted of easy member, can overcoming known Folding Bicycle skeleton and engage fixing not firm disappearance, and its joint strong fix, folds fast the real value of tool practicality deeply and receive.

Claims (4)

1, a kind of bicycle skeleton connected structure, mainly by covering seat, base, snap-fastener, pivot, pad, screw rod, wear axle sleeve, the punching axle, locating dowel pin, set pin, nut, two springs, members such as two C shape clasps are formed, it is characterized in that: this covers seat for generally being the Jiong body, its end face is offered a shape groove, and solid welding one pivoted pole and a footstock, this footstock also is the Jiong body, offer an involutory shape groove that covers a shape groove in the pedestal end face, and hold the both sides one to be connected with two lugs in addition in covering a shape groove, and on lug, set up a fixed orifice separately, and be arranged with a draw-in groove in the pedestal both walls that covers seat, in a draw-in groove wherein and extend upward the clamping hole that is arranged with the downward C shape of a breach;

This base covers the shape of seat for being involutory, it is involutory and covers one of lug end, one bends inwards into an arc wall, the fixed orifice of tool one slotted hole shape in it, the accordion wall that one upwards bends 90 degree is then established in opposite end in the arc wall, on accordion wall, offer a shape groove, then establishing two stalks between arc wall and accordion wall is connected, base end face is offered an elongated slot between two stalks, two groups of involutory through holes of tool then on this two stalk, accept piece and be convexly equipped with one in bottom, base both sides one, and in base bottom solid welding one pivoted pole;

This snap-fastener has air blast shape head, establishes a through hole on its head;

This pivot is cylinder, establishes a screw on cylinder;

This pad is round, the higher concave arc shape that inwardly is in its two ends;

This screw rod is elongated cylinder, two ends tool screw thread;

This wears axle sleeve, is hollow circular cylinder, establishes the through hole of a perforation on cylinder;

This punching axle is elongated cylinder, establishes a through hole on cylinder;

This locating dowel pin, an end are established a termination portion, the portion of contracting that then limits between termination portion and the cover portion, and on fixing part, establish two holding divisions.One set pin; One nut; Two springs; Two C shape clasps;

Place a pivot at the Snap head through hole, spiral shell is established a screw rod that wears pad on the pivot screw again, and wear the axle sleeve of wearing that spring and is installed with the punching axle in other end of screw rod, and with the locking of the elongated slot of base end face, be set up on one of the nearly accordion wall of base two stalks place group through hole and wear the interior punching axle system of axle sleeve, make snap-fastener and base fixed fully, with locating dowel pin, spring is arranged in organizing separately on the through hole of base two stalks, spring is located between two stalks, and buckle the holding division that the fixed bit pin places stalk both sides respectively with two C shape clasps, and make the termination portion of locating dowel pin and limit portion horizontal protruding outside base, the riveted joint of mat one set pin covers a lug and base arc wall fixed orifice again, and make cover the seat with base fixedly connected.

2,, it is characterized in that this locking screw bottom is provided with the nut of compeling solid strength of adjusting snap-fastener according to the described a kind of bicycle skeleton connected structure of claim 1.

3, according to the described a kind of bicycle skeleton connected structure of claim 1, the fixing part that it is characterized in that this locating dowel pin is conveniently to cover the seat seasonal locating dowel pin of compacting displacement backward downwards, and the limit portion that makes locating dowel pin enters the awl circle shape of clamping hole via covering a breach.

4,, it is characterized in that this pad for forming sliding surface with snap-fastener air blast shape head, reaches the snap-fastener application of force and is easy to the curved arc face according to the described a kind of bicycle skeleton connected structure of claim 1.

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