CN201158435Y - Folding vehicle frame - Google Patents
Folding vehicle frame Download PDFInfo
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- CN201158435Y CN201158435Y CNU2007201922223U CN200720192222U CN201158435Y CN 201158435 Y CN201158435 Y CN 201158435Y CN U2007201922223 U CNU2007201922223 U CN U2007201922223U CN 200720192222 U CN200720192222 U CN 200720192222U CN 201158435 Y CN201158435 Y CN 201158435Y
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Abstract
The utility model discloses a folding bicycle frame including a front frame (2), a rear frame (3) and pedals (1). The folding bicycle frame is characterized in that the folding bicycle frame further comprises a locking device for controlling the change of the angle between the front frame (2) and the rear frame (3); the rear end of the front frame (2), the front end of the rear frame (3) and the middle part of the pedals (1) are hinged with a hinge shaft (4); the front part of the locking device is connected with the front frame (2), and the rear part of the locking device is connected with the rear frame (3); the front end of the front frame (2) is connected with an extending tube toward the rear lower side of a steering device in a folding manner (C) or fixedly connected with an axle of a front wheel (E); and the rear end of the rear frame (3) is fixedly connected with the axle of a rear wheel (D). The process of folding and unfolding of the folding bicycle frame is simple and rapid, and the structure of the folded bicycle is compact, small-sized, light-weighted and easy for carrying.
Description
Technical field
The utility model relates to a kind of vehicle frame that bicycle, Kickboard Scooter are waited for bus that is used for, and specifically is a kind of folding stand that is used for folded bicycles such as folding bicycle, folding Kickboard Scooter.
Background technology
Various in recent years folded bicycles are subjected to liking of more and more people as folding bicycle, folding Kickboard Scooter etc. always.In the front and back of transfer bus or subway, if there is one can short distance ride instead of walk, and volume after folding is small and exquisite, with going up the folded bicycle that bus or subway do not take passenger space again, brings a lot of convenience can for people's trip; Owing to often lose car, more need small and exquisite, portable folded bicycle and shouldering the people who goes downstairs on the bicycle every day.But some regrets more people unavoidably, because in selectable various folded bicycles, small and exquisite, easy to carry, the practical again folded bicycle of real volume but is difficult to seek.One of reason wherein, be exactly all to have saddle, hinge wheel and parts such as the crank that matches with hinge wheel, left and right pedal in the structure of folding stand of prior art, behind the vehicle frame folding, saddle, hinge wheel, sprocket crank and pedal etc. become the difficult point of dwindling the car load volume and weight, make the process of vehicle frame folding and expansion more loaded down with trivial details, speed is still slower, the structure after car load is folding is still compact inadequately, volume is still bigger, weight is still heavier, carries still inconvenient.
The structure of the actuating device of several Kickboard Scooters that provided in the patent of the utility model people's the patent No. for ZL 01237990.5, the parts such as cancellation saddle, hinge wheel, hinge wheel crank and pedal of waiting for bus for Kickboard Scooter and bicycle provide the sample car structure.But the vehicle frame of this car can not fold.
The utility model content
The technical problems to be solved in the utility model is, overcomes the shortcoming of above prior art, provides that a kind of vehicle frame folding and expansion process are simple to operate, speed is quick, the compact conformation after car load is folding, and volume is little, and is in light weight, folding stand easy to carry.
The technical solution of the utility model is, in the utility model people's the patent No. is on the basis of the actuating device of disclosed Kickboard Scooter (also can be described as bicycle) in the patent of ZL 01237990.5, a kind of folding stand with following structure is provided, comprise front vehicle frame and back vehicle frame and pedal, it also comprises being located at and is used for controlling front vehicle frame and the back blocking device of variable angle between vehicle frame between front vehicle frame and the back vehicle frame; The rear end of described front vehicle frame is hinged on the same hinge jointly with the front end of back vehicle frame and three places, middle part of pedal; The front end of described blocking device is connected with front vehicle frame, and the rear end of described blocking device is connected with the back vehicle frame.
The utility model folding stand is the part of folded bicycle, and when being assembled into the folded bicycle car load, the front end of described front vehicle frame and the prolongation to the back lower place of steering hardware are managed and foldingly be connected or captive joint with the wheel shaft of front-wheel; Captive joint with the wheel shaft of trailing wheel in the rear end of described back vehicle frame.
When folding stand is in deployed condition, be but that car load is when being in mode of operation, blocking device is in the lock state, angle between front vehicle frame and back vehicle frame remains on (as 100～140 degree) in the suitable scope, folding stand is in a kind of steady status, and the two ends of pedal can alternately be rotated up and down around hinge, and driving band through being located at the pedal two ends or chain drive wheel, and then the promotion car load advances; When blocking device is in released state, robust structure between front vehicle frame and back vehicle frame is destroyed, this moment, front vehicle frame can rotate to the front portion of pedal along public hinge between pedal, front vehicle frame, back vehicle frame three, back vehicle frame then can rotate to the rear portion of pedal along public hinge between pedal, front vehicle frame, back vehicle frame three, front vehicle frame equaled with the angle of back between vehicle frame or spent near 180 this moment, and promptly the utility model folding stand is in folded state.
After adopting above structure, the utility model folding stand is compared with above-mentioned prior art, has following remarkable advantage and beneficial effect:
Folding and the expansion process operation of the utility model folding stand is very simple, only needs when folding the blocking device release, presses down pedal again and front vehicle frame and angle between the vehicle frame of back is equaled or spend near 180 and get final product; The unfolded vehicle frame is then simpler, only need lift an end of pedal, makes front vehicle frame and angle between the vehicle frame of back reset to that suitable scope is interior to get final product, and blocking device is self-locking then.The utility model folding stand folding with generally all only need to launch 1～2 second, its folding and development rate obviously faster than the folding of all folding stands of prior art and the speed launched, has greatly improved folded bicycle car load performance easy to use.The off the beaten track foldable structure of the utility model, compare with the prior art folding stand, because of having saved parts such as saddle, hinge wheel, hinge wheel crank and left and right pedal, so the utility model folding stand compact conformation, volume after folding can be condensed to minimum, weight obviously lightens, and the volume of the vehicle frame after it is folding is significantly less than the volume after the prior art folding stand folds, and its weight obviously is lighter than the weight of prior art folding stand.The hope that allows more people can have a real folding bicycle easy to carry becomes possibility.
Description of drawings
Fig. 1 is the structural representation of folding stand under deployed condition that adopts blocking device A1.
Fig. 2 is the structural representation of folding stand under folded state that adopts blocking device A1.
Fig. 3 is the package assembly scheme drawing of blocking device A1.
Fig. 4 is the structural representation after the blocking device A1 assembling.
Fig. 5 is the sectional structure scheme drawing of blocking device A1 when being in the lock state.
Fig. 6 is the sectional structure scheme drawing of blocking device A1 when being in released state.
Fig. 7 is the utility model folding stand and the folding mutually scheme drawing of steering swivel system of folded state.
Fig. 8 is the structural representation of folding stand under deployed condition that adopts blocking device A2.
Fig. 9 is the structural representation of folding stand under folded state with blocking device A2.
Figure 10 is blocking device A2 local sectional structure scheme drawing when being in the lock state.
Figure 11 is the package assembly scheme drawing of blocking device A2.
Figure 12 is the structural representation of blocking device A2 when being in released state.
Figure 13 is the scheme drawing of blocking device A2 latch limiting stopper position under released state.
Figure 14 is the structural representation of folding stand under deployed condition that adopts blocking device A3.
Figure 15 is the structural representation of folding stand under folded state that adopts blocking device A3.
Figure 16 is blocking device A3 separated structural representation of two parts under released state.
Figure 17 is the structural representation of blocking device A3 under lock-out state.
Figure 18 is the package assembly scheme drawing of Figure 17.
Figure 19 is that the utility model folding stand is applied in the structural representation in the three-wheel folding car (Kickboard Scooter or bicycle).
Figure 20 is the plan structure scheme drawing of the car of three-wheel folding shown in Figure 19 (Kickboard Scooter or bicycle).
Figure 21 is that the utility model folding stand is applied in the structural representation in the four-wheeled.
Figure 22 is the foldable structure scheme drawing of the utility model folding stand in four-wheeled.
Figure 23 is the birds-eye view of the folded bicycle of four-wheel shown in Figure 21 (Kickboard Scooter).
Figure 24 is the structural representation of folding stand under deployed condition that adopts blocking device A4.
Figure 25 is a structural representation after the assembling of blocking device A4.
Figure 26 is the package assembly scheme drawing of blocking device A4.
Figure 27 is the structural representation of folding stand under deployed condition that adopts blocking device A5.
Figure 28 is the structural representation of blocking device A5.
Figure 29 is the sectional structure scheme drawing after the assembling of damping among the blocking device A5.
Figure 30 is the package assembly scheme drawing of damping among the blocking device A5.
Figure 31 is the package assembly scheme drawing of lockout mechanism among the blocking device A4.
Figure 32 is the package assembly scheme drawing of lockout mechanism among the blocking device A5.
Shown in the figure: 1, pedal; 2, front vehicle frame; 3, back vehicle frame; A1, blocking device; A2, blocking device; The A3 blocking device; A4, blocking device; A5, blocking device; 4, hinge; 5A, preceding pedal; 5B, back foot; 6, hinge pin; 7, hinge pin; 77, hinge ear; 8, pin sleeve; 9, expansion link; 10, expansion link sleeve pipe; 101, hinge pin hole; 11, latch handle body; 12, latch; 13, pin hole; 14, pin hole; 15, latch guide pipe; 151, screw; 152, pilot hole; 16, guide pipe pore; 17, spring; 18, latch handle body; 19, latch; 20, latch pilot bar; 21A, pilot hole; 21B, pilot hole; 22, pin hole; 23A, pin hole; 23B, pin hole; 24, guiding cell body; 241, guide groove; 25, sliding rod rack; 26A, pilot hole; 26B, pilot hole; 27, latch limiting stopper; 28, limiting stopper pilot bar; 29, jump ring groove; 30, jump ring; 31, spring; 32, spring; 33, jump ring groove; 34, jump ring; 35, pull bar; 36, pin sleeve; 37, pin sleeve; 38, lock bracket; 39, stop pin sleeve pipe; 40, captive joint face; 41, captive joint face; 42A, pilot hole; 42B, pilot hole; 43, latch pilot bar; 44, spacing back-up ring; 45, latch handle body; 46, latch; 47A, pin hole; 47B, pin hole; 48, hinge pin; 49A, pin-and-hole; 49B, pin-and-hole; 50, limiting stopper; 51A, pin-and-hole; 51B, pin-and-hole; 52, torsion spring; 53, block; 54, spring; 55, jump ring; 56, jump ring groove; 57, spring bracket; 57A, guide rail; 57B, guide rail; 57C, pin-and-hole; 57D, pin-and-hole; 58, guide ring; 59, spring perch; 59A, guide channel; 59B, guide channel; 60, through hole; 61, spring; 62, spring perch; 62A, guide channel; 62B, guide channel; 63, swivel nut; 81, pin sleeve; 91, expansion link; 102, expansion link sleeve pipe; 103, back-up ring; 104, screw thread; 111, latch handle body; 121, latch; 131, pin hole; 141, pin hole; 153, latch guide pipe; 161, guide pipe pore; 1511, screw; 1521, pilot hole; 171, spring; 351, pull bar; 361, pin sleeve; 64, spring spool; 65, pilot hole; 66, outside thread; 67, spring; 68, pad; 69, nut; 70, nut; 71, pin-and-hole; 72, screw thread; 73, through hole; 181, latch handle body; 191, latch; 201, latch guide pipe; 211A, pilot hole; 211B, pilot hole; 221 pin holes; 231A, pin hole; 231B, pin hole; 242, guiding cell body; 2411, guide groove; 251, sliding rod rack; 261A, pilot hole; 261B, pilot hole; 271, latch limiting stopper; 281, limiting stopper pilot bar; 291, jump ring groove; 301, jump ring; 311, spring; 321, spring; 331, jump ring groove; 341, jump ring; C, steering hardware, D, trailing wheel, E, front-wheel.
The specific embodiment:
Below in conjunction with accompanying drawing and several specific embodiment the utility model folding stand is elaborated.
Folding stand embodiment 1:
As shown in Figure 1 and Figure 2, the rear end of described front vehicle frame 2 is hinged on the same hinge 4 jointly with the front end of back vehicle frame 3 and three places, middle part of pedal 1, the axial middle part of the front end of blocking device A1 and front vehicle frame 2 is hinged in hinge pin 6, and vehicle frame 3 axial supermedial hinge ears 77 are hinged in hinge pin 7 with being located at afterwards in the rear end of blocking device A1; The utility model folding stand is the part of folded bicycle, and when being assembled into the folded bicycle car load, the front end of described front vehicle frame 2 and the prolongation to the back lower place of steering hardware C are managed and foldingly be connected or captive joint with the wheel shaft of front-wheel E; Captive joint with the wheel shaft of trailing wheel D in the rear end of described back vehicle frame 3.The blocking device A1 that is in the lock state has limited the relative position between forward and backward vehicle frame, make front vehicle frame 2 and the back angle between the vehicle frame 3 be limited in the fixing scope and can not change, thus this moment pedal 1 two ends can alternately up and down reciprocatingly rotate to drive trailing wheel D and then drive car along hinge 4 and move ahead through driving band.
As Fig. 1～shown in Figure 6, the structure of blocking device A1 is as follows: it comprises pin sleeve 8, expansion link 9; Expansion link sleeve pipe 10, hinge pin hole 101, latch handle body 11, latch 12, pin hole 13, pin hole 14, latch guide pipe 15, screw 151, pilot hole 152, guide pipe pore 16, spring 17; Described pin sleeve 8 is located at the left end of expansion link 9, described pin hole 14 is located at the expansion link middle part, described expansion link 9 is set in the expansion link sleeve pipe 10, and can in expansion link sleeve pipe 10, endwisely slip, right-hand member at described expansion link sleeve pipe 10 is provided with hinge pin hole 101, on the tube wall of both sides, described expansion link sleeve pipe 10 middle part, be respectively equipped with concentric pin hole 13 and screw 151 mutually, end at described latch handle body 11 is provided with pilot hole 152, inboard at described latch handle body 11 other ends is provided with latch 12, described latch handle body 11 is set on the expansion link sleeve pipe 10, and latch 12 inserts in the pin hole 13, described pilot hole 152 is concentric relative with screw 151, described spring 17 is located between screw 151 and the pilot hole 152, one end of described latch guide pipe 15 is provided with screw thread, and described latch guide pipe 15 runs through spring 17 and pilot hole 152, and be screwed onto on the screw 151.The length of described latch 12 is greater than the sliding stroke of latch handle body 11 on latch guide pipe 15, and the difference of the stroke of the length of latch 12 and latch handle body 11 is not more than the thickness of pipe of expansion link sleeve pipe 10, and the meaning of this structure is; When forward right side shown in Figure 6 was moved to, latch 12 whole length can break away from pin hole 14 fully with latch handle body 11, were release locking device A1 to guarantee that expansion link 9 extends to front left side shown in Figure 6.
When blocking device A1 is in the lock state, be that folding stand is when being in deployed condition, described pin hole 13, pin hole 14 and guide pipe pore 16 3 holes are concentric, and latch 12 passes pin hole 13 and pin hole 14 last insertions in the guide pipe pore 16, because of being subjected to the restriction of latch 12, this moment, expansion link 9 can not endwisely slip in expansion link sleeve pipe 10, also was that blocking device A1 integral body can not prolong.
When the folding stand of deployed condition need fold, must be with blocking device A1 release, promptly only need pulling latch handle body 11, latch handle body 11 will endwisely slip at the constraint lower edge of pilot hole 152 latch guide pipe 15, the latch 12 that is fixed on the latch handle body 11 can axially slide along pin hole 13, meanwhile spring 17 is compressed, latch 12 is extracted out from guide pipe pore 16 and pin hole 14, when spring 17 is compressed to end position, the end of latch 12 is in pin hole 13, the length that is latch 12 is greater than the sliding stroke of latch handle body 11 on latch guide pipe 15, and the difference of the stroke of the length of latch 12 and latch handle body 11 is not more than the thickness of pipe of expansion link sleeve pipe 10, therefore when latch handle body 11 was moved end position to, the end face of latch 12 can not extracted out from pin hole 13.Referring to Fig. 1, Fig. 6, after latch 12 is extracted out from guide pipe pore 16 and pin hole 14, expansion link 9 loses the restriction of latch 12, can be along endwisely slipping in the expansion link sleeve pipe 10, gently press pedal 1 this moment, angle between front vehicle frame 2 and the back vehicle frame 3 will increase, be that distance between hinge pin 6 and the hinge pin 7 can widen, also be that expansion link 9 will be along endwisely slipping in the expansion link sleeve pipe 10, the integral body of blocking device A1 is extended, this moment, end face and the pin hole 14 of latch 12 staggered, and behind the latch handle body 11 of letting go, the end face of latch 12 is against on the interior expansion link 9 of expansion link sleeve pipe 10 and can not inserts again.In the process that folding stand folds, along with the integral body of blocking device A1 is extended, the end face of latch 12 also slides on expansion link 9 simultaneously, angle between front vehicle frame 2 and back vehicle frame 3 is near 180 degree, be that front vehicle frame 2 is pressed close to the front portion of pedal 1, back vehicle frame 3 is pressed close to the rear portion of pedal 1, folding stand enters folded state (as shown in Figure 2).
When the folding stand of folded state need launch, only need lift an end of pedal 1 as shown in Figure 2, as lift the front end of pedal 1 along the direction of arrow, angle between the front end of pedal 1 and the front vehicle frame 2 will increase, angle between front vehicle frame 2 and the back vehicle frame 3 dwindles simultaneously, distance between hinge pin 6 and the hinge pin 7 shortens as shown in Figure 1, the integral body that is blocking device A1 is shortened, also be that expansion link 9 can endwisely slip to the depths in expansion link sleeve pipe 10, referring to Fig. 3, Fig. 5, relative up to the end face of latch 12 with pin hole 14 on the expansion link 9, and under the promotion of spring 17, automatically insert pin hole 14 and guide pipe pore 16, blocking device A1 was in the lock state and can not be extended this moment, and folding stand is in deployed condition (as shown in Figure 1).
The utility model utilizes blocking device A1 shortening back lockable just, and extensible characteristics after the release are controlled variable angle between front vehicle frame 2 and the back vehicle frame 3, thereby change mutually between realization the utility model folding stand folded state and deployed condition.
As Fig. 4 and shown in Figure 1, hinge pin 6 runs through front vehicle frame 2 and pin sleeve 8 is hinged with the front end of blocking device A1 with front vehicle frame 2, hinge pin 7 runs through hinge ear 77 and fraising 101 is hinged with back vehicle frame 3 with the rear end of blocking device A1, blocking device A1 was in and shortened and lock-out state this moment, blocking device A1 can not be extended, therefore respectively and the deployed condition that angle can not change, the folding stand maintenance is stable between the front vehicle frame 2 that is hinged of blocking device A1 two ends and the back vehicle frame 3; When the utility model folding stand need fold, only need the latch handle body 11 on the pulling blocking device A1 gently to press pedal 1 again, folding stand will be as shown in Figure 2, front vehicle frame 2 and the back angle between the vehicle frame 3 magnified to 180 degree or near the integral body of 180 degree, blocking device A1 be extended, front vehicle frame 2 is pressed close to the front portion of pedal 1, back vehicle frame 3 is pressed close to the rear portion of pedal 1, folding stand has become folded state (as shown in Figure 2) by deployed condition.
Folding stand embodiment 2:
As Fig. 8, Figure 9 shows that the embodiment 2 of the utility model folding stand, the present embodiment folding stand is identical with the integral structure of folding stand embodiment 1, all is that the rear end of front vehicle frame 2 and the front end of back vehicle frame 3 and three places, middle part of pedal 1 are articulated in same hinge 4, front vehicle frame 2 jointly and afterwards all are provided with the blocking device that is used for controlling front vehicle frame 2 and 3 variable angle of back vehicle frame between the vehicle frame 3.The front end of described front vehicle frame 2 is also managed folding the connection with the prolongation to the back lower place of steering hardware C; Captive joint with the wheel shaft of trailing wheel D in the rear end of described back vehicle frame 3.Its difference is that the blocking device A2 in the present embodiment 2 is different with the structure of blocking device A1 among the embodiment 1, the method for attachment of 2 of blocking device A2 and front vehicle frame is also inequality with embodiment 1.
Referring to Fig. 8, Figure 10～shown in Figure 12, the structure of blocking device A2 is as follows, and it comprises latch handle body 18, latch 19, latch pilot bar 20, pilot hole 21A, pilot hole 21B, pin hole 22, pin hole 23A, pin hole 23B, guiding cell body 24, guide groove 241, sliding rod rack 25, pilot hole 26A, pilot hole 26B, latch limiting stopper 27, limiting stopper pilot bar 28, jump ring groove 29, jump ring 30, spring 31, spring 32, jump ring groove 33, jump ring 34, pull bar 35, pin sleeve 36, pin sleeve 37; Described front vehicle frame 2 parts are downward opening cell body, side in front vehicle frame 2 is provided with pilot hole 21A and pin hole 22, opposite side in front vehicle frame 2 is provided with a pilot hole 21B concentric with pilot hole 21A, described guiding cell body 24 is installed in the front vehicle frame 2, in guiding cell body 24, be provided with guide groove 241, both sides at guiding cell body 24 left ends are respectively equipped with concentric pin hole 23A and pin hole 23B mutually, and these two pin holes also with front vehicle frame 2 on pin hole 22 concentric, be provided with sliding rod rack 25 at guiding cell body 24 left ends, on sliding rod rack 25, be provided with pilot hole 26A, on the end face of guiding cell body 24 left ends, be provided with the pilot hole 26B concentric with pilot hole 26A.Being provided with in guide groove 241 can be along the latch limiting stopper 27 of guide groove 241 slips, on latch limiting stopper 27, be provided with limiting stopper pilot bar 28, limiting stopper pilot bar 28 is in pilot hole 26A and 26B, on the jump ring groove 29 on the pilot bar between pilot hole 26A and the 26B 28, be provided with jump ring 30, on the limiting stopper pilot bar 28 between jump ring 30 and the pilot hole 26A, be with spring 31, the right-hand member of described pull bar 35 is provided with pin sleeve 37, left end at pull bar 35 is provided with pin sleeve 36, described pin sleeve 36 is installed in the guide groove 241, and can horizontally slip along guide groove 241.Latch pilot bar 20 on the described latch handle body 18 runs through pilot hole 21A, pilot hole 21B, spring 32 successively.Described jump ring 34 is stuck in the jump ring groove 33, and when blocking device A2 was in the lock state, the latch 19 on the latch handle body 18 ran through pin hole 22, pin hole 23A, pin sleeve 36, pin hole 23B successively.The depth of penetration of the latch 19 or stroke that stretch compressible greater than spring 33 its role is to; With the latch 19 of latch handle body 18 when move to Figure 10, top shown in Figure 12, the whole length of latch 19 can break away from the hole of pin sleeve 36 fully, be to slide with release locking device A2 to right-hand member shown in Figure 12 to guarantee pull bar 35 in the upper surface that the lower surface of latch 19 is higher than slip guide 36, simultaneously, be lower than the outer end face of cell body of front vehicle frame 2 to guarantee that latch 19 does not break away from pin hole 22 because of the lower surface of latch 19.
As Fig. 8, Figure 10, shown in Figure 11, the pin sleeve 36 of pull bar 35 its left ends of blocking device A2 is pinned at latch 19 with the guiding cell body 24 on the front vehicle frame 2, the pin sleeve 37 of pull bar 35 its right-hand members of blocking device A2 is articulated in hinge pin 7 with the hinge ear 77 that is located on the vehicle frame 3 of back, and this moment, the utility model folding stand was in stable deployed condition.When this folding stand need fold, only need pulling latch handle body 18, latch 19 will be extracted out from pin hole 23B and pin sleeve 36.As Fig. 8, Figure 11, shown in Figure 12, when the latch on the latch handle body 18 19 is extracted out from pin sleeve 36, latch pilot bar 20 also slides along pilot hole 21A and pilot hole 21B simultaneously synchronously, meanwhile spring 32 is compressed, and when spring 32 is compressed to end position, the end of latch 19 is in pin hole 23A, can not be drawn out of, this moment, pin sleeve 36 lost the restriction of latch 19, at this moment gently press pedal 1, angle between front vehicle frame 2 and the back vehicle frame 3 can increase, distance between the hinge pin 7 on latch 19 on the front vehicle frame 2 and the back vehicle frame 3 increases, and can not change with the be hinged length of pull bar 35 of back vehicle frame 3, therefore the pin sleeve 36 of pull bar 35 left ends can slide to the right along guide groove 241, before separated with pin sleeve 36 with the limiting stopper 27 that pin sleeve 36 offsets, in its separating process, under the promotion of spring 31, jump ring 30 drives limiting stopper pilot bar 28 and slides to the right along pilot hole 26A and pilot hole 26B, simultaneously limiting stopper pilot bar 28 also drives and is attached thereto the limiting stopper 27 that connects and slides to the right along guide groove 241, when the end face that slides to jump ring 30 and guiding cell body 24 left ends offsets, limiting stopper 27 is in (as shown in figure 13) between pin hole 23A and the 23B just, prop up because of limited 27 of the end face of latch 19 this moment, so the latch handle body 18 back latches 19 of letting go can not be returned to the insertion state.Increase along with angle between front vehicle frame 2 and the back vehicle frame 3, the pin sleeve 36 of pull bar 35 left ends can slide to the right along guide groove 241 freely, at this moment in the guide groove 241 of pin sleeve 36 sliding fits on front vehicle frame 2 of pull bar 35 left ends, up to as shown in Figure 9, front vehicle frame 2 is pressed close to the front portion of pedal 1, back vehicle frame 3 is pressed close to the rear portion of pedal 1, and folding stand enters folded state (as shown in Figure 9).
When folding stand need be launched by folded state, only need lift an end of pedal 1, angle between front vehicle frame 2 and the back vehicle frame 3 will dwindle, distance between the hinge pin 7 on latch 19 on the front vehicle frame 2 and the back vehicle frame 3 will further, pin sleeve 36 can slide left along guide groove 241 simultaneously, and finally push the limiting stopper 27 of guide groove 241 left ends open, the mouth of pipe at pin sleeve two ends is relative with pin hole 23A and 23B just when limiting stopper 27 is pulled to end position, this moment, latch pilot bar 20 under the thrust of spring 32 can drive latch 19 insertion pin sleeve 36 and pin hole 23B, pin sleeve 36 is locked, angle between front vehicle frame 2 and the back vehicle frame 3 can not change, and folding stand is returned to stable deployed condition (as shown in Figure 8) again.
Folding stand embodiment 3:
As Figure 14, shown in Figure 15, the present embodiment folding stand is identical with the integral structure of folding stand embodiment 1 and folding stand embodiment 2, all is that the rear end of front vehicle frame 2 and the front end of back vehicle frame 3 and three places, middle part of pedal 1 are articulated in same hinge 4, front vehicle frame 2 jointly and afterwards all are provided with the blocking device that is used for controlling front vehicle frame 2 and 3 variable angle of back vehicle frame between the vehicle frame 3.The front end of described front vehicle frame 2 is also managed folding the connection with the prolongation to the back lower place of steering hardware C; Also captive joint with the wheel shaft of trailing wheel D in the rear end of described back vehicle frame 3.Its difference is that the blocking device A3 in the present embodiment 3 is different with the structure of blocking device A1, A2 among embodiment 1, the embodiment 2, the method for attachment between blocking device A3 and preceding vehicle carriage 2 and the back vehicle frame 3 is also inequality with embodiment 1, embodiment 2.Blocking device A3 is by forming with front vehicle frame 2, back two parts of being fixedly connected of vehicle frame 3 respectively, when folding stand is in deployed condition, blocking device A3 is the integral body of a mutual pin joint, and when folding stand was in folded state, blocking device A3 was separated two parts.
Referring to Figure 14～shown in Figure 17, the captive joint face 40 on the described lock bracket 38 is captiveed joint with front vehicle frame 2, and the captive joint face 41 on the described stop pin sleeve pipe 39 is captiveed joint with back vehicle frame 3.
As Figure 16～shown in Figure 180, the structure of described blocking device A3 is as follows, and it comprises lock bracket 38, stop pin sleeve pipe 39, captive joint face 40, captive joint face 41, pilot hole 42A, pilot hole 42B, latch pilot bar 43, spacing back-up ring 44, latch handle body 45, latch 46, pin hole 47A, pin hole 47B, hinge pin 48, pin-and-hole 49A, pin-and-hole 49B, limiting stopper 50, pin-and-hole 51A; Be respectively equipped with two mutual concentric pilot hole 42A and 42B in the both sides of described lock bracket 38, on latch handle body 45, be provided with latch pilot bar 43, left end at latch pilot bar 43 is provided with spacing back-up ring 44, right-hand member at latch pilot bar 43 is provided with jump ring groove 56, the latch pilot bar runs through pilot hole 42A, 42B, spring 54 successively, and jump ring 55 is stuck in the jump ring groove 56.Also be respectively equipped with concentric mutually two pin-and-hole 49A and 49B in lock bracket 38 both sides, between pin-and-hole 49A and 49B, be provided with limiting stopper 50, on limiting stopper 50, be provided with two mutual concentric pin-and-hole 51A and pin-and-hole 51B, be provided with torsion spring 52 between pin-and-hole 51A and pin-and-hole 51B, described hinge pin 48 runs through pin-and-hole 49A, pin-and-hole 51A, torsion spring 52, pin-and-hole 51B, pin-and-hole 49B successively.Also be provided with two mutual concentric pin hole 47A and 47B in the both sides of lock bracket 38, being in deployed condition at this folding stand is that blocking device A3 is when being in the lock state, described stop pin sleeve pipe 39 is between pin hole 47A and 47B, and pore three holes of pin-and-hole 47A, pin-and-hole 47B, stop pin sleeve pipe 39 are concentric, and the latch 46 on the described latch handle body 45 runs through pin hole 47A, stop pin sleeve pipe 39, pin hole 47B (as Figure 14, shown in Figure 17) successively.
Referring to Figure 15, Figure 16, shown in Figure 180, when folding stand need fold, only need pulling latch handle body 45, latch pilot bar 43 will slide along pilot hole 42A and 42B, meanwhile, the promotion lower spring 54 of the jump ring 55 on latch pilot bar 43 is compressed, and latch 46 is extracted out from pin hole 47B and stop pin sleeve pipe 39 simultaneously.In the process of pulling latch handle body, when spring 54 is compressed to end position, the end face of latch 46 is positioned at pin hole 47A, can not extract out in pin hole 47A, and this moment, blocking device A3 was in released state, stop pin sleeve pipe 39 loses the restriction of latch 46, can in the middle of pin hole 47A and 47B, deviate from, this moment the light pedal 1 of pressing, front vehicle frame 2 and and back vehicle frame 3 between angle can increase, can separate between lock bracket 38 and the stop pin sleeve pipe 39, folding stand can enter folded state.Stop pin sleeve pipe 39 goes out of lock in the support 38 in the folding process of folding stand, the limiting stopper 50 that previous and stop pin sleeve pipe 39 offsets is under the twisting of torsion spring 52, reverse between pin hole 47A and pin hole 47B along hinge pin 48, when limiting stopper 50 forwards between pin hole 47A and the pin hole 47B position to, blocked by block 53 and can not continue to reverse, after decontroling the latch handle body this moment, because of being subjected to stopping of limiting stopper 50, latch 46 can not be returned to the insertion state, along with widening of distance between lock bracket 38 and the stop pin sleeve pipe 39, final front vehicle frame 2 is pressed close to the front portion of pedal 1, back vehicle frame 3 is pressed close to the rear portion of pedal 1, folding stand enters into folded state as shown in figure 15).
When folding stand is launched by folded state, only need lift an end of pedal 1, angle between front vehicle frame 2 and the back vehicle frame 3 will dwindle, the torsion that overcomes torsion spring 52 up to stop pin sleeve pipe 39 is pushed limiting stopper 50 open, enter between pin hole 47A and the pin hole 47B, because of pin hole 47A and 47B equal the distance of the pore of stop pin sleeve pipe 39 to hinge 4 to the distance of hinge 4, therefore work as stop pin sleeve pipe 39 and push limiting stopper 50 open, arrive pin hole 47A, pin hole 47B, during the pore three hole concentric positions of stop pin sleeve pipe 39, the restriction that latch 46 is no longer inserted, under the promotion of spring 54, latch 46 can insert in the hole and pin hole 47B of stop pin sleeve pipe 39 automatically, make blocking device A3 be returned to lock-out state, promptly folding stand is returned to deployed condition (as shown in figure 14).
Folding stand embodiment 4:
As shown in figure 24, the present embodiment folding stand is identical with the integral structure of folding stand embodiment 1, folding stand embodiment 2, folding stand embodiment 3, all is that the rear end of front vehicle frame 2 and the front end of back vehicle frame 3 and three places, middle part of pedal 1 are articulated in same hinge 4, front vehicle frame 2 jointly and afterwards all are provided with the blocking device that is used for controlling front vehicle frame 2 and 3 variable angle of back vehicle frame between the vehicle frame 3.The front end of described front vehicle frame 2 is also managed folding the connection with the prolongation to the back lower place of steering hardware C; Also captive joint with the wheel shaft of trailing wheel D in the rear end of described back vehicle frame 3.Its difference is: the structure of the blocking device A1 among blocking device A4 in present embodiment 4 folding stands and embodiment 1, embodiment 2, the embodiment 3, blocking device A2, blocking device A3 is different, and its difference is: blocking device A4 has increased spring vibration damper again on the basis of blocking device A1.
Referring to Fig. 4 and Figure 26, the left end that removes at expansion link sleeve pipe 102 is provided with back-up ring 103, with do not establish the hinge pin hole at the right-hand member of expansion link sleeve pipe 102 and the substitute is outside the screw thread 104, other structures of the flexible lockout mechanism of forming by pin sleeve 81, expansion link 91, expansion link sleeve pipe 102, latch handle body 111 etc. be that the above-mentioned corresponding structure of blocking device A1 is all identical as shown in Figure 4.
Referring to Figure 25, Figure 26 and Figure 31, details are as follows for the structure of described blocking device A4, and pin sleeve 81 is located at the left end of expansion link 91, and pin hole 141 is located at expansion link 91 middle parts, expansion link 91 is set in the expansion link sleeve pipe 102, and can endwisely slip in expansion link sleeve pipe 102; Right-hand member at expansion link sleeve pipe 102 is provided with screw thread 104; On the tube wall of both sides, expansion link sleeve pipe 102 middle part, be respectively equipped with concentric pin hole 131 and screw 1511 mutually, end at latch handle body 111 is provided with pilot hole 1521, inboard at latch handle body 111 other ends is provided with latch 121, latch handle body 111 is set on the expansion link sleeve pipe 102, and latch 121 inserts pin hole 131, pilot hole 1521 is concentric relative with screw 1511, spring 171 is located between screw 1511 and the pilot hole 1521, one end of latch guide pipe 153 is provided with screw thread, and latch guide pipe 153 runs through pilot hole 1521, spring 171, and be screwed onto on the screw 1511; When blocking device is in the lock state, described pin hole 131, pin hole 141 and guide pipe pore 161 3 holes are concentric, and latch 121 passes pin hole 131 and the pin hole 141 last guide pipe pores 161 that insert, the length of described latch 121 is greater than the sliding stroke of latch handle body 111 on latch guide pipe 153, and the length of latch 121 and the difference of the stroke of latch handle body 111 are not more than the thickness of pipe (its meaning is identical with above-mentioned blocking device A1 meaning herein) of expansion link sleeve pipe 102.Described blocking device A4 also comprises shock absorption device, and described damping assembly comprises spring bracket 57; Guide rail 57A; Guide rail 57B; Pin-and-hole 57C; Pin-and-hole (57B); Guide ring 58; Spring perch 59; Guide channel 59A; Guide channel 59B; Through hole 60; Spring 61; Spring perch 62; Guide channel 62A; Guide channel 62B; Swivel nut 63; Expansion link sleeve pipe 102; Back-up ring 103; Screw thread 104.The left end of described expansion link sleeve pipe 102 is fixed with back-up ring 103 near latch handle body 111 places, the right-hand member of described expansion link sleeve pipe 102 is provided with screw thread 104, the both sides of described spring bracket 57 are respectively equipped with guide rail 57A and guide rail 57B, right-hand member at guide rail 57A is provided with pin-and-hole 57C, right-hand member at guide rail 57B is provided with pin-and-hole 57D, the left end of described spring bracket 57 is provided with guide ring 58, the both sides of described spring perch 59 are respectively equipped with guide channel 59A and guide channel 59B, the middle part of described spring perch 59 is provided with through hole 60, the both sides of described spring perch 62 are respectively equipped with guide channel 62A and guide channel 62B, are provided with the swivel nut 63 that matches with screw thread 104 at the middle part of spring perch 62.Referring to Figure 25, shown in Figure 26, expansion link sleeve pipe 102 runs through the guide ring 58 on the spring bracket 57 successively, through hole 60 on the spring perch 59 and spring 61, the screw thread 104 of last expansion link sleeve pipe 102 left ends and swivel nut 63 bolts on the spring perch 62, wherein the left side of guide ring 58 and back-up ring 103 offset, the right side of guide ring 58 and spring perch 59 offset, the left end of described spring 61 and spring perch 59 offset, the right-hand member of spring 61 with offset with spring perch 62, the guide channel 59A of spring perch 59 both sides and guide channel 59B, match with the guide rail 57A and the guide rail 57B of spring bracket 57 both sides respectively, the guide channel 62A of spring perch 62 both sides and guide channel 62B respectively with guide rail 57A and 57B sliding fit.
As Figure 24～shown in Figure 26, hinge pin 6 runs through the pin sleeve 81 of front vehicle frame 2 and blocking device A4 left end, front end and the front vehicle frame 2 of blocking device A4 are hinged, the hinge ear 77 after hinge pin 7 runs through on the vehicle frame and the pin-and-hole 57C and the 57D of blocking device A4 rear end are hinged the rear end of blocking device A4 and back vehicle frame 3.When the people steps down on the pedal 1, under the effect of people's gravity, hinge pin 6 through front vehicle frame 2 and pin sleeve 81, and can produce a separated power through between the hinge pin 7 of back vehicle frame 3, pin-and-hole 57C and 57D, be that the two ends of blocking device A4 are subjected to a pulling force that produces owing to people's gravity, spring 61 is compressed when pulling force is enough big, separates between guide ring 58 and the back-up ring 103.When running into bumpy sections in the process that the car load that adopts the utility model folding stand is being advanced, ground can produce desultory impulsive force to folding stand, vehicle frame passes to the people who steps down on the pedal 1 with desultory impulsive force again simultaneously, in the process that impulsive force increases, the pulling force that blocking device A4 two ends are subjected to increases, guide ring 58 and spring perch 59 are under the traction of guide rail 57A and 57B, slide to the right along expansion link sleeve pipe 102, the guide channel 62A and the 62B of spring perch 62 and both sides thereof slide left at the traction lower edge of expansion link 91 and expansion link sleeve pipe 102 guide rail 57A and 57B simultaneously, meanwhile spring 61 is compressed, the corresponding increase of angle that front vehicle frame 2 and back vehicle frame are 3, the distance between pedal 1 and ground is dwindled; When local impulsive force in the face of the people disappeared, blocking device A4 and whole folding stand returned to normal again, and being decayed by actv. to people's impulsive force in the road surface of jolting thus, thereby plays good damping effect, the comfort when having increased people's treadmill.
Adopt its folding and launch method of operation of the utility model folding stand of blocking device A4, embodiment 1 is identical with the utility model folding stand, repeats no more here.
Folding stand embodiment 5:
As shown in figure 27, the present embodiment folding stand is identical with the integral structure of folding stand embodiment 1, folding stand embodiment 2, folding stand embodiment 3 and folding stand embodiment 4, all is that the rear end of front vehicle frame 2 and the front end of back vehicle frame 3 and three places, middle part of pedal 1 are articulated in same hinge 4, front vehicle frame 2 jointly and afterwards all are provided with the blocking device that is used for controlling front vehicle frame 2 and 3 variable angle of back vehicle frame between the vehicle frame 3.Its difference is: the structure of the blocking device A1 among blocking device A5 in present embodiment 5 folding stands and embodiment 1, embodiment 2, embodiment 3 and the embodiment 4, blocking device A2, blocking device A3 and blocking device A4 is different, and its difference is: blocking device A5 has increased shock absorption device again on the basis of blocking device A2.
Pull bar 351 left ends such as pin sleeve 361 on this blocking device A5, latch 191, latch handle body 181, guide groove 242, latch limiting stopper 271, spring 321 grades are at all interior locked components, with pull bar 35 left ends such as the pin sleeve 36 on the blocking device A2, latch 19, latch handle body 18, guide groove 24, the spacing card 27 of latch, spring 32 grades are identical at all interior lockout mechanism assemblies, the right-hand member of blocking device A5 top rod 351 is different with the right-hand member of blocking device A2, the right-hand member of blocking device A5 top rod 351 is not established pin sleeve, the shock absorption device of the substitute is screw thread 72 and matching with pull bar 351 and screw thread 72.
Referring to Figure 27～Figure 30 and Figure 32, for clarity sake, details are as follows for the structure of described blocking device A5, the center section part of front vehicle frame 2 is divided into downward opening cell body, side in front vehicle frame 2 is provided with pilot hole 211A and pin hole 221, opposite side in front vehicle frame 2 is provided with a pilot hole 211B concentric with pilot hole 211A, guiding cell body 242 is installed in the front vehicle frame 2, in guiding cell body 242, be provided with guide groove 2411, be respectively equipped with concentric pin hole 231A and pin hole 231B mutually in the both sides of guiding cell body 242 left ends, and these two pin holes also with front vehicle frame 2 on pin hole 221 concentric; Be provided with sliding rod rack 251 at guiding cell body 242 left ends, on sliding rod rack 251, be provided with pilot hole 261A, on the end face of guiding cell body 242 left ends, be provided with the pilot hole 261B concentric with pilot hole 261A, in guiding cell body 242, be provided with guide groove 2411, being provided with in guide groove 2411 can be along the latch limiting stopper 271 of guide groove 2411 slips, on latch limiting stopper 271, be provided with limiting stopper pilot bar 281, limiting stopper pilot bar 281 is in pilot hole 261A and 261B, on the jump ring groove 291 on the pilot bar between pilot hole 261A and the 261B 281, be provided with jump ring 301, on the limiting stopper pilot bar 281 between jump ring 301 and the pilot hole 261A, be with spring 311; Left end at pull bar 351 is provided with pin sleeve 361, and pin sleeve 361 is installed in the guide groove 2411242, and can horizontally slip along guide groove 2411; Latch pilot bar 201 on the latch handle body 181 runs through pilot hole 211A, pilot hole 211B, spring 321 successively, described jump ring 341 is stuck in the jump ring groove 331, when blocking device is in the lock state, latch 191 on the latch handle body 181 runs through pin hole 221, pin hole 231A, pin sleeve 361, pin hole 231B successively, the depth of penetration of the latch 191 or stroke (its effect with above-mentioned blocking device A2 herein effect identical) that stretch compressible greater than spring 321.Described blocking device A5 also comprises shock absorption device, the structure of described shock absorption device is, right-hand member at described pull bar 351 is provided with screw thread 72, the left side of described spring spool 64 is provided with pilot hole 65, the right-hand member of described spring spool 64 is provided with outside thread 66, the middle part of described pad 68 is provided with through hole 73, described nut 70 is provided with pin-and-hole 71, described pull bar 351 runs through the pilot hole 65 on spring spool 64 left sides successively, described spring 67, through hole 73 on the pad 68, the screw thread 72 and described nut 69 bolts of last pull bar 351 right-hand members, the outside thread 66 and described nut 70 bolts of spring spool 64 right-hand members, the right side of pull bar 351 is against on the inner face of nut 70.
Referring to Figure 27～shown in Figure 30, the utility model folding stand is when deployed condition, and the pin sleeve 361 and the front vehicle frame 2 of pull bar 351 left ends are pinned at latch 191, and the pin-and-hole 71 of nut 70 right-hand members is pinned at hinge pin 7 with hinge ear 77 on the vehicle frame 3 of back.When the people steps down on the pedal 1, under the effect of people's gravity, latch 191 through front vehicle frame 2 and pin sleeve 361, and can produce a separated power through between the hinge pin 7 of back vehicle frame 3, pin-and-hole 71, be that the two ends of blocking device A5 are subjected to a pulling force that produces owing to people's gravity, spring 67 is compressed when pulling force is enough big, separates between the inner face of the right side of pull bar 351 and nut 70.When running into bumpy sections in the process that the car load that adopts the utility model folding stand is being advanced, ground can produce desultory impulsive force to folding stand, vehicle frame passes to the people who steps down on the pedal 1 with desultory impulsive force again simultaneously, in the process that impulsive force increases, the pulling force that blocking device A5 two ends are subjected to increases, nut 69 and pad 68 slide left at the traction lower edge of pull bar 351 spring spool 64, spring spool 64 slides to the right along pull bar 351 through pilot hole 65 under the tractive of nut 70 simultaneously, meanwhile spring 67 is compressed, the corresponding increase of angle that front vehicle frame 2 and back vehicle frame are 3, the distance between pedal 1 and ground is dwindled; When local impulsive force in the face of the people disappeared, blocking device A5 and whole folding stand returned to normal again, and being decayed by actv. to people's impulsive force in the road surface of jolting thus, thereby plays good damping effect, the comfort when having increased people's treadmill.
Adopt its folding and launch method of operation of the utility model folding stand of blocking device A5, embodiment 2 is identical with the utility model folding stand, repeats no more here.
Be not difficult to find out that from above embodiment described blocking device can be integral type such as blocking device A1, A2, A4, A5, also can be split type as blocking device A3; Blocking device can and forward and backward vehicle frame between hinged as blocking device A1, A4 and the blocking device A2, the A5 that are in the lock state, certainly, when blocking device A2, A5 place released state then with front vehicle frame between sliding fit be connected and the back is hinged between vehicle frame, can also with forward and backward vehicle frame between captive joint as blocking device A3.Its pedal 1 can be "～" shape (as Fig. 1, shown in Figure 8), also can be in-line shapes such as (as Figure 19, shown in Figure 21), can not establish pedal (as shown in figure 21) on its pedal 1, also but two ends are provided with pedal 5A and 5B (as shown in figure 19), can also only at one end be provided with pedal as shown in Figure 1).
The utility model folding stand is the part of folded bicycle, and need mix trailing wheel, front-wheel just can become car load.Can be last, back two-wheeled altogether referring to Fig. 1, Fig. 8, Figure 14, Figure 24, Figure 27 as its wheel of car load); Also can be last, back two altogether three-wheels referring to Figure 19, Figure 20); Also can be the first two, afterwards two be total to four-wheels) referring to Figure 21, Figure 22, Figure 23.Just can become car load and also need to mix steering hardware as bicycle or some Kickboard Scooter.As shown in Figure 1 and Figure 2, a complete folding bicycle that adopts the utility model folding stand is to be provided with trailing wheel D in the rear end of back vehicle frame 3, the front-wheel E that is provided with steering hardware C and links together at the front end of front vehicle frame 2.Folding connection of rear end of the front end of the front vehicle frame 2 among Fig. 1, Fig. 2 and steering hardware C as hinged to the extension pipe of the back lower place, then the rear end of vehicle frame 3 then generally is to captive joint with hind axle, certainly, from general knowledge as can be known, hind axle and trailing wheel D are rotatably connected, folding mutually with steering hardware again after folding stand is folded like this, the state of car load will become as shown in Figure 7 that volume is condensed to minimum, thereby realizes portable purpose.And for the Kickboard Scooter of not establishing steering hardware, the front end of its front vehicle frame 2 also is to captive joint with front wheel spindle, and front wheel spindle and front-wheel E also are rotatably connected,
Directionality such as front, back, left, right, up, down described in the above embodiment are described and just are convenient to understand, if turn before and after the car load, then fall into protection domain of the present utility model equally.
And the utility model also not only is confined to above embodiment, and its concrete structure allows variation, as: as described in the front and rear portions of blocking device and the annexation between forward and backward vehicle frame also can exchange; Described blocking device can also be other concrete structure except that above 5 kinds; Described front vehicle frame 2 also can be captiveed joint with steering hardware C, also can captive joint with the wheel shaft of front-wheel E; Its pedal 1 can also be other shapes such as middle spill down; Front vehicle frame shape and structure and back vehicle frame shape and structure also allow variation; Or the like.In a word, all variations of being done in the independent claims protection domain are all in protection domain of the present utility model.
Claims (10)
1, a kind of folding stand comprises front vehicle frame (2) and back vehicle frame (3) and pedal (1), it is characterized in that: it also comprises the blocking device of variable angle between control front vehicle frame (2) and back vehicle frame (3); The rear end of described front vehicle frame (2) is hinged on the same hinge (4) jointly with the front end of back vehicle frame (3) and three places, middle part of pedal (1); The front portion of described blocking device is connected with front vehicle frame (2), and the rear portion of described blocking device is connected with back vehicle frame (3).
2, folding stand according to claim 1, it is characterized in that: the front portion of described blocking device refers to front end, the front portion of described blocking device is connected with front vehicle frame (2) and refers to hingedly, and promptly the front end of blocking device (A1, A2, A4, A5) and front vehicle frame (2) are hinged in hinge pin (6); The rear portion of described blocking device refers to the rear end, and the rear portion of described blocking device is connected with back vehicle frame (3) and refers to hingedly, and promptly the rear end of blocking device (A1, A2, A4, A5) is hinged in hinge pin (7) with hinge ear (77) on the back vehicle frame (3).
3, folding stand according to claim 2, it is characterized in that: described blocking device (A2, A5) its front end and front vehicle frame (2) when lock-out state is hinged, be that guiding cell body (24,242) on pin sleeve (36,361) and the front vehicle frame (2) of pull bar (35,351) left end of blocking device (A2, A5) is articulated in latch (19,191), its front end is connected with front vehicle frame (2) sliding fit when released state, and promptly pin sleeve (36,361) is slidingly tied in the guide groove (241,2411) on the front vehicle frame (2); The rear end of described blocking device is hinged with back vehicle frame (3), refers to that the pin sleeve (37) of blocking device (A2, A5) right-hand member or pin-and-hole (71) are articulated in hinge pin (7) with the hinge ear (77) that is located on the back vehicle frame (3).
4, folding stand according to claim 1, it is characterized in that: the front portion of described blocking device is connected with front vehicle frame (2), captive joint with front vehicle frame (2) in the front portion that refers to blocking device (A3), promptly the captive joint face (40) on the lock bracket (38) of blocking device (A3) is captiveed joint with the rear portion of front vehicle frame (2); The rear portion of described blocking device is connected with back vehicle frame (3), the rear portion that refers to blocking device (A3) with after vehicle frame (3) captive joint i.e. captive joint face (41) on the stop pin sleeve pipe (39) of blocking device (A3) and afterwards anterior captive joint of vehicle frame (3).
5, folding stand according to claim 1 and 2, it is characterized in that: the structure of described blocking device (A1) is as follows, pin sleeve (8) is located at the left end of expansion link (9), pin hole (14) is located at expansion link (9) middle part, expansion link (9) is set in the expansion link sleeve pipe (10), and can endwisely slip in expansion link sleeve pipe (10); Right-hand member at expansion link sleeve pipe (10) is provided with hinge pin hole (101), on the tube wall of both sides, expansion link sleeve pipe (10) middle part, be respectively equipped with concentric pin hole (13) and screw (151) mutually, end at latch handle body (11) is provided with pilot hole (152), inboard at latch handle body (11) other end is provided with latch (12), latch handle body (11) is set on the expansion link sleeve pipe (10), and latch (12) inserts pin hole (13), pilot hole (152) is concentric relative with screw (151), spring (17) is located between screw (151) and the pilot hole (152), one end of latch guide pipe (15) is provided with screw thread, and latch guide pipe (15) runs through pilot hole (152), spring (17), and be screwed onto on the screw (151); When blocking device is in the lock state, described pin hole (13), pin hole (14) and guide pipe pore (16) three holes are concentric, and latch (12) passes pin hole (13) and pin hole (14) inserts guide pipe pore (16) at last, the length of described latch (12) is greater than the sliding stroke of latch handle body (11) on latch guide pipe (15), and the difference of the stroke of the length of latch (12) and latch handle body (11) is not more than the thickness of pipe of expansion link sleeve pipe (10).
6, according to claim 1 or 2 or 3 described folding stands, it is characterized in that: the structure of described blocking device (A2) is as follows, the center section part of front vehicle frame (2) is divided into downward opening cell body, side in front vehicle frame (2) is provided with pilot hole (21A) and pin hole (22), opposite side in front vehicle frame (2) is provided with a pilot hole (21B) concentric with pilot hole (21A), guiding cell body (24) is installed in the front vehicle frame (2), in guiding cell body (24), be provided with guide groove (241), be respectively equipped with concentric pin hole (23A) and pin hole (23B) mutually in the both sides of guiding cell body (24) left end, and these two pin holes also with front vehicle frame (2) on pin hole (22) concentric; Be provided with sliding rod rack (25) at guiding cell body (24) left end, on sliding rod rack (25), be provided with pilot hole (26A), on the end face of guiding cell body (24) left end, be provided with the pilot hole (26B) concentric with pilot hole (26A), being provided with in guide groove (241) can be along the latch limiting stopper (27) of guide groove (241) slip, on latch limiting stopper (27), be provided with limiting stopper pilot bar (28), limiting stopper pilot bar (28) is through pilot hole (26A) with (26B), be provided with jump ring (30) at pilot hole (26A) with on the jump ring groove (29) on the pilot bar (28) (26B), on the limiting stopper pilot bar (28) between jump ring (30) and the pilot hole (26A), be with spring (31); The right-hand member of pull bar 35 is provided with pin sleeve (37), is provided with pin sleeve (36) at the left end of pull bar (35), and pin sleeve (36) is installed in the guide groove (241), and can horizontally slip along guide groove (241); Latch pilot bar (20) on the latch handle body (18) runs through pilot hole (21A), pilot hole (21B), spring (32) successively, described jump ring (34) is stuck in the jump ring groove (33), when blocking device is in the lock state, latch (19) on the latch handle body (18) runs through pin hole (22), pin hole (23A), pin sleeve (36), pin hole (23B) successively, the depth of penetration of latch (19) or the stroke that stretch compressible greater than spring (33).
7, folding stand according to claim 4, it is characterized in that: the structure of described blocking device (A3) is as follows, blocking device (A3) is made up of two parts, captive joint face (40) on the lock bracket (38) is captiveed joint with the rear portion of front vehicle frame (2), captive joint face (41) on the stop pin sleeve pipe (39) and anterior captive joint of vehicle frame (3) afterwards; The both sides of lock bracket (38) are respectively equipped with two mutual concentric pilot holes (42A) and (42B), on latch handle body (45), be provided with latch pilot bar (43), left end at latch pilot bar (43) is provided with spacing back-up ring (44), right-hand member at latch pilot bar (43) is provided with jump ring groove (56), the latch pilot bar runs through pilot hole (42A), (42B), spring (54) successively, and jump ring (55) is stuck in the jump ring groove (56); Also be respectively equipped with concentric mutually two pin-and-holes (49A) and (49B) in lock bracket (38) both sides, be provided with limiting stopper (50) at pin-and-hole (49A) with (49B), on limiting stopper (50), be provided with two mutual concentric pin-and-holes (51A) and pin-and-hole (51B), be provided with torsion spring (52) between pin-and-hole (51A) and pin-and-hole (51B), hinge pin (48) runs through pin-and-hole (49A), pin-and-hole (51A), torsion spring (52), pin-and-hole (51B), pin-and-hole (49B) successively; Also be provided with two mutual concentric pin holes (47A) and (47B) in the both sides of lock bracket (38), being in deployed condition at this folding stand is that blocking device (A3) is when being in the lock state, described stop pin sleeve pipe (39) be positioned at pin hole (47A) and (47B) between, and pore three holes of pin-and-hole (47A), pin-and-hole (47B), stop pin sleeve pipe (39) are concentric, and the latch (46) on the described latch handle body (45) runs through pin hole (47A), stop pin sleeve pipe (39), pin hole (47B) successively.
8, folding stand according to claim 1 and 2, it is characterized in that: the structure of described blocking device (A4) is as follows, pin sleeve (81) is located at the left end of expansion link (91), pin hole (141) is located at expansion link (91) middle part, expansion link (91) is set in the expansion link sleeve pipe (102), and can endwisely slip in expansion link sleeve pipe (102); Right-hand member at expansion link sleeve pipe (102) is provided with screw thread (104); On the tube wall of both sides, expansion link sleeve pipe (102) middle part, be respectively equipped with concentric pin hole (131) and screw (1511) mutually, end at latch handle body (111) is provided with pilot hole (1521), inboard at latch handle body (111) other end is provided with latch (121), latch handle body (111) is set on the expansion link sleeve pipe (102), and latch (121) inserts pin hole (131), pilot hole (1521) is concentric relative with screw (1511), spring (171) is located between screw (1511) and the pilot hole (1521), one end of latch guide pipe (153) is provided with screw thread, and latch guide pipe (153) runs through pilot hole (1521), spring (171), and be screwed onto on the screw (1511); When blocking device is in the lock state, described pin hole (131), pin hole (141) and guide pipe pore (161) three holes are concentric, and latch (121) passes pin hole (131) and pin hole (141) inserts guide pipe pore (161) at last, the length of described latch (121) is greater than the sliding stroke of latch handle body (111) on latch guide pipe (153), and the difference of the stroke of the length of latch (121) and latch handle body (111) is not more than the thickness of pipe of expansion link sleeve pipe (102); Described blocking device (A4) also comprises shock absorption device, the structure of described shock absorption device is as follows, left end at described expansion link sleeve pipe (102) locates to be fixed with back-up ring (103) near latch handle body (111), and the right-hand member of described expansion link sleeve pipe (102) is provided with screw thread (104); The both sides of described spring bracket (57) are respectively equipped with guide rail (57A) and guide rail (57B), right-hand member at guide rail (57A) is provided with pin-and-hole (57C), right-hand member at guide rail (57B) is provided with pin-and-hole (57D), the left end of described spring bracket (57) is provided with guide ring (58), the both sides of described spring perch 59 are respectively equipped with guide channel (59A) and guide channel (59B), the middle part of described spring perch (59) is provided with through hole (60), the both sides of described spring perch (62) are respectively equipped with guide channel (62A) and guide channel (62B), be provided with the swivel nut (63) that matches with screw thread (104) at the middle part of spring perch (62), expansion link sleeve pipe (102) runs through the guide ring (58) on the spring bracket (57) successively, through hole (60) on the spring perch (59) and described spring (61), the screw thread (104) of last expansion link sleeve pipe (102) left end and swivel nut (63) bolt on the spring perch (62), wherein the left side of guide ring (58) and back-up ring (103) offset, the right side of guide ring (58) and spring perch (59) offset, the left end of described spring (61) and spring perch (59) offset, the right-hand member of spring (61) with offset with spring perch (62), the guide channel (59A) of spring perch (59) both sides and guide channel (59B), match with the guide rail (57A) and the guide rail (57B) of spring bracket (57) both sides respectively, the guide channel (62A) of spring perch 62 both sides and guide channel (62B) respectively with guide rail (57A) and 57B sliding fit.
9, according to claim 1 or 2 or 3 described folding stands, it is characterized in that: the structure of described blocking device (A5) is as follows, the center section part of front vehicle frame (2) is divided into downward opening cell body, side in front vehicle frame (2) is provided with pilot hole (211A) and pin hole (221), opposite side in front vehicle frame (2) is provided with a pilot hole (211B) concentric with pilot hole (211A), guiding cell body (242) is installed in the front vehicle frame (2), in guiding cell body (242), be provided with guide groove (2411), be respectively equipped with concentric pin hole (231A) and pin hole (231B) mutually in the both sides of guiding cell body (242) left end, and these two pin holes also with front vehicle frame (2) on pin hole (221) concentric; Be provided with sliding rod rack (251) at guiding cell body (242) left end, on sliding rod rack (251), be provided with pilot hole (261A), on the end face of guiding cell body (242) left end, be provided with the pilot hole (261B) concentric with pilot hole (261A), being provided with in guide groove (2411) can be along the latch limiting stopper (271) of guide groove (2411) slip, on latch limiting stopper (271), be provided with limiting stopper pilot bar (281), limiting stopper pilot bar (281) is through pilot hole (261A) with (261B), be provided with jump ring (301) at pilot hole (261A) with on the jump ring groove (291) on the pilot bar (281) (261B), on the limiting stopper pilot bar (281) between jump ring (301) and the pilot hole (261A), be with spring (311); Left end at pull bar (351) is provided with pin sleeve (361), and pin sleeve (361) is installed in the guide groove (242), and can horizontally slip along guide groove (242); Latch pilot bar (201) on the latch handle body (181) runs through pilot hole (211A), pilot hole (211B), spring (321) successively, described jump ring (341) is stuck in the jump ring groove (331), when blocking device is in the lock state, latch (191) on the latch handle body (181) runs through pin hole (221), pin hole (231A), pin sleeve (361), pin hole (231B) successively, the depth of penetration of latch (191) or the stroke that stretch compressible greater than spring (331); Described blocking device (A5) also comprises shock absorption device, the structure of described shock absorption device is, right-hand member at described pull bar (351) is provided with screw thread (72), the left side of described spring spool (64) is provided with pilot hole (65), the right-hand member of described spring spool (64) is provided with outside thread (66), the middle part of described pad (68) is provided with through hole (73), described nut (70) is provided with pin-and-hole (71), described pull bar (351) runs through the pilot hole (65) on spring spool (64) left side successively, described spring (67), through hole (73) on the pad (68), the screw thread (72) of last pull bar (351) right-hand member and described nut (69) bolt, the outside thread (66) of spring spool (64) right-hand member and described nut (70) bolt, the right side of pull bar (351) is against on the inner face of nut (70).
10, folding stand according to claim 1 is characterized in that: the front end of described front vehicle frame (2) is connected with steering hardware (C) or captives joint with the wheel shaft of front-wheel (E); Captive joint with the wheel shaft of trailing wheel (D) in the rear end of described back vehicle frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201922223U CN201158435Y (en) | 2007-10-29 | 2007-10-29 | Folding vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201922223U CN201158435Y (en) | 2007-10-29 | 2007-10-29 | Folding vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201158435Y true CN201158435Y (en) | 2008-12-03 |
Family
ID=40109027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201922223U Expired - Lifetime CN201158435Y (en) | 2007-10-29 | 2007-10-29 | Folding vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201158435Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162484A (en) * | 2010-02-19 | 2011-08-24 | 廉东换 | Fail-safe locking pin device |
| US9150272B1 (en) | 2014-07-16 | 2015-10-06 | Ford Global Technologies, Llc | Folding bicycle chain stay and frame |
| US9284015B2 (en) | 2014-07-16 | 2016-03-15 | Ford Global Technologies, Llc | Folding pedal mount |
| US9290227B2 (en) | 2014-07-16 | 2016-03-22 | Ford Global Technologies, Llc | Towable bicycle |
| US9290229B2 (en) | 2014-07-16 | 2016-03-22 | Ford Global Technologies, Llc | Bicycle chain stay coupling |
| US9346514B2 (en) | 2014-07-16 | 2016-05-24 | Ford Global Technologies, Llc | Folding handlebar mount |
| US9359036B2 (en) | 2014-07-16 | 2016-06-07 | Ford Global Technologies, Llc | Folding bicycle |
-
2007
- 2007-10-29 CN CNU2007201922223U patent/CN201158435Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162484A (en) * | 2010-02-19 | 2011-08-24 | 廉东换 | Fail-safe locking pin device |
| US9150272B1 (en) | 2014-07-16 | 2015-10-06 | Ford Global Technologies, Llc | Folding bicycle chain stay and frame |
| US9284015B2 (en) | 2014-07-16 | 2016-03-15 | Ford Global Technologies, Llc | Folding pedal mount |
| US9290227B2 (en) | 2014-07-16 | 2016-03-22 | Ford Global Technologies, Llc | Towable bicycle |
| US9290229B2 (en) | 2014-07-16 | 2016-03-22 | Ford Global Technologies, Llc | Bicycle chain stay coupling |
| US9340251B2 (en) | 2014-07-16 | 2016-05-17 | Ford Global Technologies, Llc | Bicycle wheel axle |
| US9346514B2 (en) | 2014-07-16 | 2016-05-24 | Ford Global Technologies, Llc | Folding handlebar mount |
| US9359036B2 (en) | 2014-07-16 | 2016-06-07 | Ford Global Technologies, Llc | Folding bicycle |
| US9561836B2 (en) | 2014-07-16 | 2017-02-07 | Ford Global Technologies, Llc | Bicycle control system |
| US9573648B2 (en) | 2014-07-16 | 2017-02-21 | Ford Global Technologies, Llc | Wheel coupling |
| US9604689B2 (en) | 2014-07-16 | 2017-03-28 | Ford Global Technologies, Llc | Bicycle frame joint locking mechanism |
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| C14 | Grant of patent or utility model | ||
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Owner name: LIU JUN ADDRESS Free format text: FORMER OWNER: NINGBO EAGLE AUTOMOBILE CO., LTD. ADDRESS Effective date: 20081121 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081121 Address after: Zhejiang city of Ningbo province Yinzhou District Shiqi Street office, zip code: 315153 Patentee after: Liu Jun Address before: Xiangying Industrial Park, No. 2599, Zhejiang city of Ningbo province Yinzhou District County Road postcode: 315100 Patentee before: Ningbo Xiangying Auto Industry Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: LIU JUN Free format text: FORMER OWNER: NINGBO EAGLE AUTOMOBILE CO., LTD. Effective date: 20081121 |
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| ASS | Succession or assignment of patent right |
Owner name: NINGBO YUE XIANG MACHINERY MANUFACTURING CO., LTD. Free format text: FORMER OWNER: LIU JUN Effective date: 20091016 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091016 Address after: Xincheng village, five town, Ningbo City, Zhejiang Province, Yinzhou District 315112, China Patentee after: NINGBO YUEXIANG EQUIPMENT MACHINE CO., LTD. Address before: Zhejiang city of Ningbo province Yinzhou District Shiqi Street office, zip code: 315153 Patentee before: Liu Jun |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20081203 Effective date of abandoning: 20071029 |