CN109693749B - Folding bicycle with unlocking structure - Google Patents
Folding bicycle with unlocking structure Download PDFInfo
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- CN109693749B CN109693749B CN201910081468.0A CN201910081468A CN109693749B CN 109693749 B CN109693749 B CN 109693749B CN 201910081468 A CN201910081468 A CN 201910081468A CN 109693749 B CN109693749 B CN 109693749B
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- unlocking
- shaft
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- disc body
- clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K15/00—Collapsible or foldable cycles
- B62K15/006—Collapsible or foldable cycles the frame being foldable
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- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention provides a folding bicycle with an unlocking structure, which comprises a front frame, a rear frame, an unlocking structure, a locking structure, a buckling structure, a front wheel arranged on the front frame and a rear wheel arranged on the rear frame, wherein the front wheel is arranged on the front frame; the main rod of the front frame is provided with a limiting shaft and a pivoting shaft at the position of the abdicating notch; the rear frame comprises a rear disc, the rear disc is sleeved on the pivot shaft and comprises a positioning block, a first disc body and a second disc body, and the positioning block is provided with a first stop groove and a second stop groove; the unlocking structure is arranged between the first disc body and the second disc body; the lock catch structure is arranged on the positioning block; the buckle structure is rotatably arranged on the positioning block; the front frame rotates between an unfolding position and a folding position relative to the rear frame along with the pivot shaft, and when the front frame is unfolded, the limiting shaft is positioned in the first stop groove, and the locking structure is locked with the limiting shaft; when the front frame is retracted, the locking structure is separated from the limiting shaft, the limiting shaft is positioned in the second stop groove, and the locking structure is locked with the limiting shaft; the locking structure is locked with the unlocking structure and separated from the limiting shaft when the unlocking structure is driven.
Description
[ field of technology ]
The invention relates to the technical field of bicycles, in particular to a folding bicycle with an unlocking structure.
[ background Art ]
The bicycle is a common riding tool, which can be convenient for people to travel and is more environment-friendly. Most bicycles are inconvenient to carry, oversized or too heavy, so portable bicycles that are smaller in size and convenient to carry are new trends. The user can fold the portable bicycle and carry the portable bicycle at any time when taking a bus or a subway; and the portable bicycle can be placed in the motor vehicle with smaller occupied space. However, the existing portable bicycle has higher requirements for stable locking and unlocking when being unfolded.
[ invention ]
In view of the above, it is necessary to provide a folding bicycle with an unlocking structure that can unlock the bicycle so that the bicycle can be folded and unfolded conveniently and stably.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the folding bicycle with the unlocking structure comprises a front frame, a rear frame, an unlocking structure, a locking structure, a front wheel, a rear wheel and a driving mechanism, wherein the front wheel is arranged on the front frame, the rear wheel is arranged on the rear frame, and the driving mechanism is arranged on the rear frame and is used for driving the rear wheel to rotate; the front frame comprises a main bar, a yielding gap is formed in the main bar, and a limiting shaft and a pivoting shaft are arranged at the yielding gap; the rear frame comprises a rear disc, the rear disc is sleeved on the pivot shaft and comprises a positioning block, a first disc body and a second disc body, the positioning block is positioned between the first disc body and the second disc body and is respectively fixed with the first disc body and the second disc body, and the positioning block is provided with a first stop groove and a second stop groove; the unlocking structure is rotatably arranged between the first disc body and the second disc body; the locking structure is rotatably arranged on the positioning block and positioned between the first disc body and the second disc body; the clamping structure is rotatably arranged on the positioning block and positioned between the first disc body and the second disc body; the front frame can rotate between an unfolding position and a folding position relative to the rear frame along with the pivot shaft, when the front frame is positioned at the unfolding position, the limiting shaft is positioned in the first position stopping groove, and the locking structure is locked with the limiting shaft; when the front frame is positioned at the folding position, the locking structure is separated from the limiting shaft, the limiting shaft is positioned in the second stopping groove, and the locking structure is locked with the limiting shaft; the unlocking structure is buckled with the locking structure, and the locking structure can be separated from the limiting shaft when the unlocking structure is driven.
Further, the locking structure comprises a clamping hook and a locking piece, wherein the locking piece is rotatably arranged on the positioning block, and the clamping hook is rotatably connected with the locking piece and is clamped on the positioning block; the unlocking structure comprises an unlocking block, the unlocking block is rotatably arranged between the first disc body and the second disc body, the buckling structure comprises a buckling block, and the buckling block is rotatably arranged between the first disc body and the second disc body; when the front frame is positioned at the unfolding position, the locking piece is locked with the limiting shaft, and when the front frame is positioned at the folding position, the locking piece is separated from the limiting shaft, and the locking piece is locked with the limiting shaft; the clamping hook is clamped with the unlocking block and can be separated from the unlocking block when the unlocking block is driven.
Further, the trip is including block portion and suspension portion, the upper end rotation of suspension portion is installed on the latch fitting, the lower extreme is provided with block portion, the locating piece is provided with the card axle, block portion card is in on the card axle, the unblock piece with suspension portion block, and break away from when the unblock piece receives the drive suspension portion.
Further, the hanging part is provided with a clamping groove at one side opposite to the clamping part, one end of the unlocking block is clamped in the clamping groove, and the other end of the unlocking block is provided with an anti-slip strip.
Further, the latch member comprises a rotating block and a rotating shaft, wherein the rotating shaft is clamped in two mounting rings of the positioning block and positioned between the first disc body and the second disc body, the rotating block is sleeved on the rotating shaft, the latch structure further comprises a latch torsion spring, and the latch torsion spring is mounted on the rotating shaft and clamped on the rotating block.
Further, the unlocking structure further comprises an unlocking shaft and an unlocking torsion spring, the unlocking shaft is clamped between the first disc body and the second disc body, the unlocking block is rotatably sleeved on the unlocking shaft, and the unlocking torsion spring is sleeved on the unlocking shaft and clamped on the unlocking block.
Further, the unlocking block is provided with a shaft hole and a through hole, the unlocking block is sleeved on the unlocking shaft through the shaft hole, and the unlocking torsion spring is positioned in the through hole and is clamped on the unlocking block.
Further, the buckle structure further comprises a buckle torsion spring and a buckle shaft, wherein the buckle shaft is clamped on the positioning block and clamped between the first disc body and the second disc body, the buckle block is sleeved on the buckle shaft, and the buckle torsion spring is sleeved on the buckle shaft and clamped on the positioning block.
The invention has the following beneficial effects:
the locking structure can be released by driving the unlocking structure, so that the front frame can rotate relative to the rear frame, the bicycle is convenient to retract, and in addition, after the bicycle is retracted, the bicycle is locked with the front frame through the locking structure and is used for preventing the front frame from rotating, so that the stability of the bicycle is ensured; when the bicycle is unfolded, the locking structure is locked with the front frame, so that the bicycle is prevented from rotating relatively in the using process.
[ description of the drawings ]
Fig. 1 is a perspective view of a folding bicycle having an unlocking structure according to the present invention.
Fig. 2 is an exploded perspective view of the main bar and rear tray of fig. 1.
Fig. 3 is another view of fig. 2.
Fig. 4 is an exploded perspective view of the rear panel of fig. 1.
Fig. 5 is an exploded perspective view of the positioning block of fig. 4.
Fig. 6 is a perspective assembly view of the positioning block of fig. 5.
Fig. 7 is an exploded perspective view of the unlocking structure of fig. 4.
Fig. 8 is an exploded perspective view of the latch structure of fig. 4.
Fig. 9 is an exploded perspective view of the snap structure of fig. 4.
Description of the main reference signs
The invention will be further described in the following detailed description in conjunction with the above-described figures.
[ detailed description ] of the invention
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present invention with reference to the accompanying drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the invention provides a folding bicycle with an unlocking structure, which comprises a front frame, a rear frame, an unlocking structure, a locking structure, a buckling structure, a front wheel, a rear wheel and a driving mechanism, wherein the front wheel is arranged on the front frame, the rear wheel is arranged on the rear frame, and the driving mechanism is arranged on the rear frame and is used for driving the rear wheel to rotate;
the front frame comprises a main bar, a yielding gap is formed in the main bar, and a limiting shaft and a pivoting shaft are arranged at the yielding gap;
the rear frame comprises a rear disc, the rear disc is sleeved on the pivot shaft and comprises a positioning block, a first disc body and a second disc body, the positioning block is positioned between the first disc body and the second disc body and is respectively fixed with the first disc body and the second disc body, and the positioning block is provided with a first stop groove and a second stop groove;
the unlocking structure is rotatably arranged between the first disc body and the second disc body;
the locking structure is rotatably arranged on the positioning block and positioned between the first disc body and the second disc body;
the clamping structure is rotatably arranged on the positioning block and positioned between the first disc body and the second disc body;
the front frame can rotate between an unfolding position and a folding position relative to the rear frame along with the pivot shaft, when the front frame is positioned at the unfolding position, the limiting shaft is positioned in the first position stopping groove, and the locking structure is locked with the limiting shaft; when the front frame is positioned at the folding position, the locking structure is separated from the limiting shaft, the limiting shaft is positioned in the second stopping groove, and the locking structure is locked with the limiting shaft; the unlocking structure is buckled with the locking structure, and the locking structure can be separated from the limiting shaft when the unlocking structure is driven.
The locking structure can be released by driving the unlocking structure, so that the front frame can rotate relative to the rear frame, the bicycle is convenient to retract, and in addition, after the bicycle is retracted, the bicycle is locked with the front frame through the locking structure and is used for preventing the front frame from rotating, so that the stability of the bicycle is ensured; when the bicycle is unfolded, the locking structure is locked with the front frame, so that the bicycle is prevented from rotating relatively in the using process.
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1 and 7-9, in one embodiment of the present invention, a foldable bicycle with an unlocking structure includes a front frame 10, a rear frame 20, an unlocking structure 30, a locking structure 40, a locking structure 50, a front wheel 60, a rear wheel 70, a seat 80 and a driving mechanism 90.
The front frame 10 is rotatably connected with the rear frame 20, and includes a main bar 11, an adapter 12, a supporting bar 13 and a steering bar 14, one end of the main bar 11 is detachably mounted on the adapter 12 in a conventional manner, such as screw locking, and the other end of the main bar 11 is provided with a yielding gap 110 (see fig. 2) corresponding to the rear frame 20, a limiting shaft 111 and a pivoting shaft 112 are disposed at the yielding gap 110 of the main bar 11, and the limiting shaft 111 is disposed above the pivoting shaft 112, in this embodiment, the central axes of the limiting shaft 111 and the pivoting shaft 112 are parallel, the limiting shaft 111 and the pivoting shaft 112 are respectively provided with threaded holes at two ends, and the bar is detachably mounted on the main bar 11 in a manner of screw locking and threaded holes. In addition, an operation part 114 is further provided on the top wall of the main bar 11, and the operation part 114 is used for driving the front frame 10 to rotate relative to the rear frame 20.
The lower end of the supporting rod 13 is clamped and fixed on the adapter 12, the upper end of the supporting rod is in cross connection with the steering rod 14, the steering rod 14 is used for controlling the direction of the folding bicycle with the unlocking structure, specifically, the adapter 12 is provided with clamping holes corresponding to the supporting rod 13, the supporting rod 13 is clamped in the clamping holes, the upper end of the towing rod 13 is provided with fixing holes for detachably mounting the steering rod 14, and in other embodiments, the steering rod 14 can be in cross fixation with the towing rod 13 in a welding mode or the like. The front wheel 60 is mounted on the adapter 12 and can be rotated to move the folding bicycle with the unlocking structure.
Referring to fig. 3-6 together, the rear frame 20 includes a rear plate 21 and a connecting rod 22, the rear plate 21 is sleeved on the pivot shaft 112 and is partially located at the position of the yielding gap 110, specifically, the rear plate 21 includes a positioning block 23, a first plate 24 and a second plate 25, the positioning block 23 is located between the first plate 24 and the second plate 25 and is detachably fixed with the first plate 24 and the second plate 25 respectively, in this embodiment, the positioning block 23 is provided with a plurality of screw holes, and the first plate 24 and the second plate 25 are also provided with a plurality of screw holes, and the positioning block 23 is detachably fixed with the first plate 24 and the second plate 25 by locking screws with fixing members such as screws.
The positioning block 23 is provided with a sleeve rotating hole 231 penetrating through the positioning block 23 corresponding to the pivot shaft 112, a sleeve 232 is arranged in the sleeve rotating hole 231, the sleeve 232 is sleeved on the pivot shaft 112 and located at the position of the yielding notch 110, the positioning block 23 is provided with two mounting rings 233, clamping shafts 234 are arranged close to the two mounting rings 233, the side wall of the positioning block 23 is further provided with two fixing rings 235, and the side wall of the positioning block 23 is further provided with a first stop groove 236 and a second stop groove 237. In this embodiment, the two mounting rings 233 extend outwards from the side wall of the positioning block 23, and the clamping shaft 234 is fixed on the positioning block 23 by welding or screw locking.
In this embodiment, the central axes of the rotation hole 231, the first stop groove 236, and the second stop groove 237 are perpendicular to the first disk 24 and the second disk 25, and the rotation hole 231, the first stop groove 236, and the second stop groove 237 are located on three vertex angles of a triangle; the two mounting rings 233 and the two fixing rings 235 are disposed in parallel and are parallel to the first disk 24 and the second disk 25, the two mounting rings 233 and the two fixing rings 235 are disposed at two sides of the rotation hole 231, and the hole axes of the two mounting rings 233 and the hole axes of the two fixing rings 235 are parallel to the clamping shaft 234.
The front ends of the first tray 24 and the second tray 25 are aligned and provided with through holes 241 for mounting the pivot shaft 112, the rear ends are provided with avoidance notches 242, in addition, the front end surfaces of the first tray 24 and the second tray 25 are provided with a first avoidance groove 243 and a second avoidance groove 244 corresponding to the limiting shaft 111, a guide surface 245 is provided between the first avoidance groove 243 and the second avoidance groove 244, the central axes of the first avoidance groove 243 and the second avoidance groove 244 are parallel, and the guide surface 245 is arc-shaped.
Further, a first connection block 26 and a second connection block 27 are further installed between the first tray 24 and the second tray 25, and the first connection block 26 and the second connection block 27 are detachably fixed with the first tray 24 and the second tray 25 by a common manner, such as screw locking, so as to enhance the stability of the first tray 26 and the second tray 27.
In this embodiment, referring to fig. 4, the sleeve 232 is further sleeved with two spacers 28, the two spacers 28 are respectively located at the outer sides of the first disc 24 and the second disc 25 and located at the yielding gaps 110 of the main rod 11, and in addition, in order to fit the mounting limiting shaft 111, the two spacers 28 are respectively provided with an arc-shaped accommodating gap 281, so that when the front frame 10 needs to be rotated, the two spacers 28 can rotate along with the limiting shaft 111.
The unlocking structure 30 is rotatably installed between the first disc 24 and the second disc 25, specifically, the unlocking structure 30 includes an unlocking block 31, the unlocking block 31 is rotatably installed between the first disc 24 and the second disc 25, further, the unlocking structure 30 includes an unlocking shaft 32 and an unlocking torsion spring 33, the first disc 24 and the second disc 25 are provided with grooves corresponding to the unlocking shaft 32, and opposite ends of the unlocking shaft 32 are respectively clamped in the grooves of the first disc 24 and the second disc 25, so that the unlocking structure is fixed between the first disc 24 and the second disc 25.
Referring to fig. 7, the unlocking block 31 is provided with a shaft hole 311 and a through hole 312, and is rotatably sleeved on the unlocking shaft 32 through the shaft hole 311, the unlocking torsion spring 33 is sleeved on the unlocking shaft 32 and is located in the through hole 312 and is clamped on the unlocking block 31 and the first connecting block 26, in this embodiment, the shaft hole 311 penetrates through the cross section of the unlocking block 31, the through hole 312 intersects with the shaft hole 311 and penetrates through the shaft hole 311, and in addition, an anti-slip strip 323 is arranged on the surface of the unlocking block 31.
In this embodiment, the unlocking torsion spring 33 includes an unlocking torsion spring body, a first unlocking leg and a second unlocking leg, the unlocking torsion spring body is sleeved on the unlocking shaft 32 and is contained in the through hole 312, the first unlocking leg is clamped on the unlocking block 31, and the second unlocking leg is clamped on the first connecting block 26.
Referring to fig. 8, the locking structure 40 is rotatably mounted on the positioning block 23, specifically, the locking structure 40 includes a hook 41, a locking member 42 and a locking torsion spring 43, the hook 41 is rotatably connected with the locking member 42 and is locked on the positioning block 23, the locking member 42 is rotatably mounted on the positioning block 23, the locking torsion spring 43 is mounted on the locking member 42 and is used for driving the locking member 42 to rotate, further, the hook 41 includes an engaging portion 411 and a hanging portion 412, an upper end of the hanging portion 412 is rotatably mounted on the locking member 42, a lower end of the hanging portion 412 is provided with the engaging portion 411, in addition, a side opposite to the engaging portion 411 of the hanging portion 412 is provided with a locking groove 413 matched with the unlocking structure 30, and more specifically, an upper end of the hanging portion 412 is provided with a hanging hole.
The locking member 42 includes a rotating block 421 and a rotating shaft 423, the rotating shaft 423 is clamped in the two mounting rings 233 of the positioning block 23 and located between the first disc 23 and the second disc 24, and the rotating block 421 is sleeved on the rotating shaft 423. Specifically, the rotating block 421 includes a rotating plate 424, one end of the rotating plate 424 is provided with a locking hook 425, the other end of the rotating plate is provided with a mounting notch 426 corresponding to the locking hook 41, and mounting holes corresponding to the hanging holes are provided on two side walls of the mounting notch 426, so that the hanging shaft 414 can pass through the mounting holes and the hanging holes to mount the locking hook 41 on the locking piece 42,
further, two opposite sides of the rotating plate 424 are respectively provided with two sides 427, the two sides 427 are correspondingly provided with rotating holes 4271, the rotating shaft 423 can pass through the two mounting rings 233 and the rotating holes 4271 of the two sides 427 and is clamped between the first disk 24 and the second disk 25, and the rotating block 421 is rotatably mounted on the positioning block 23, and at this time, the two sides 427 are located at the inner sides of the two mounting rings 233; the locking hook 425 is formed by bending and extending from one end of the rotating plate 424, and is provided with a locking surface 4251 engaged with the limiting shaft 111, and the locking surface 4251 is arc-shaped.
In order to enable the latch member 42 to automatically return, the latch torsion spring 43 is sleeved on the rotation shaft 423 and is caught on the rotation block 421, so that a return force can be generated. Further, the latch torsion spring 43 is located between the two sides 427.
Referring to fig. 9, the fastening structure 50 is rotatably mounted on the positioning block 23, and specifically includes a fastening block 51, a fastening torsion spring 52, and a fastening shaft 53, where the fastening shaft 53 is fastened on the positioning block 23 and clamped between the first disk 24 and the second disk, the fastening block 51 is sleeved on the fastening shaft 53, and the fastening torsion spring 52 is sleeved on the fastening shaft 53 and fastened on the positioning block 23.
Specifically, the fastening block 51 is provided with two fastening rings 512 corresponding to the fastening shaft 53, a fastening hole 511 for installing the fastening shaft 53 is provided between the two fastening rings 512, a fastening part 513 is further provided on the fastening block 51, and the fastening part 513 is provided with a fastening surface 5131, in this embodiment, the two fastening rings 512 are arranged in parallel, and the fastening surface 5131 is arc-shaped. The clamping shaft 53 is clamped on the two fixing rings 235 and the two clamping rings 512 of the positioning block 23, and the two clamping rings 512 are positioned at the inner sides of the two fixing rings 235, in addition, in order to prevent the clamping shaft 53 from separating from the two fixing rings 235 and the two clamping rings 512, two ends of the clamping shaft 53 respectively abut against the first disk body 24 and the second disk body 25, and the clamping torsion spring 52 is sleeved on the clamping shaft 53 and positioned in the clamping hole 511 and clamped on the clamping block 51 and the positioning block 23 so as to provide elastic restoring force for the clamping block 51.
Referring to fig. 1, one end of the connecting rod 22 is mounted at the lower ends of the first tray 24 and the second tray 25, and the other end is mounted with the rear wheel 70.
The seat 80 is mounted at the upper ends of the first tray 24 and the second tray 25, specifically, the first tray 24 and the second tray 25 are detachably mounted with a mounting member 81 by a conventional manner, such as screw locking, etc., the upper end of the mounting member 81 is provided with a mounting hole, and the seat 81 is detachably mounted on the mounting member 81 through a supporting rod 82.
With continued reference to fig. 1, the driving mechanism 90 is mounted on the first disc 24 and the second disc 25, and is configured to drive the rear wheel 70 to rotate. Specifically, the driving mechanism 90 may include a pedal 91, a driving gear 92, a driven gear 93, and a hinge 94, where the pedal 91 is mounted on the first disc 24 and the second disc 25, the driving gear 92 is mounted on the pedal 91, the driven gear 93 is mounted on the rear wheel 70, and the hinge 94 connects the driving gear 92 and the driven gear 93, so that when the pedal 91 is driven to rotate relative to the first disc 24 and the second disc 25, the driving gear 93 is driven to rotate, and the driving gear 92 drives the driven gear 93 to rotate through the hinge 94, so that the rear wheel 70 rotates along with the driven gear 93, thereby driving the folding bicycle with the unlocking structure to walk.
In the present invention, the front frame 10 can rotate between a deployed position and a retracted position relative to the rear frame 20 along with the pivot shaft 112, when the front frame 10 is located at the deployed position, the limiting shaft 111 is located in the first stopping slot 236, and the locking structure 40 is locked with the limiting shaft 111; when the front frame 10 is located at the retracted position, the locking structure 40 is separated from the limiting shaft 111, the limiting shaft 111 is located in the second stop slot 237, and the locking structure 50 is locked with the limiting shaft 111; the unlocking structure 30 is buckled with the locking structure 40, and the locking structure 30 can be separated from the limiting shaft 111 when the unlocking structure 30 is driven.
Specifically, when in the unfolded state, a folding bicycle having an unlocking structure may be used, and at this time, the locking hook 425 of the locking member 42 of the locking structure 40 is locked with the limiting shaft 111, and the locking surface 4251 is attached to the limiting shaft 111, so as to prevent the front frame 10 from rotating relative to the rear frame 20; the engaging portion 411 of the hook 41 is engaged with the engaging shaft 234, so as to prevent the lock hook 425 from disengaging from the limiting shaft 111, the unlocking block 31 of the unlocking structure 30 is engaged with the engaging groove 413 of the hook 41 of the locking structure 40, thereby preventing the engaging portion 411 from disengaging from the engaging shaft 234, and the unlocking torsion spring 33 is elastically deformed to press the unlocking block 31, so as to prevent the unlocking block 31 from disengaging from the engaging groove 413;
when a bicycle needs to be folded, the operation part 114 is driven to slightly lift the folding bicycle with the unlocking structure, the unlocking block 31 is driven to rotate, the unlocking block 31 is separated from the clamping groove 413, at this time, the clamping hook 41 does not apply force to the clamping piece 42 any more, the locking torsion spring 43 of the locking structure 40 is elastically restored, so that the locking piece 42 is rotated to enable the locking hook 425 to be separated from the limiting shaft 111, at this time, the front frame 10 can be simultaneously rotated relative to the rear frame 20, the limiting shaft 111 is separated from the first stopping groove 236 and slides along the guiding surface 245 to the second stopping groove 237, in this process, the clamping structure 50 is installed on the positioning block 23 through the clamping torsion spring 52, so that the clamping part 513 of the clamping block 51 of the clamping structure 50 is pushed by the limiting shaft 111 until the limiting shaft 111 is clamped in the second stopping groove 237, and the clamping torsion spring 52 elastically restored to rotate the clamping block 51, so that the clamping part 513 and the clamping shaft 111 are clamped in the second stopping groove 237, and the bicycle is convenient to carry.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (6)
1. The utility model provides a folding bicycle with unblock structure, includes front wheel, rear wheel and actuating mechanism, its characterized in that: the folding bicycle with the unlocking structure further comprises a front frame, a rear frame, an unlocking structure, a locking structure and a buckling structure, wherein the front wheel is installed on the front frame, the rear wheel is installed on the rear frame, and the driving mechanism is installed on the rear frame and used for driving the rear wheel to rotate;
the front frame comprises a main bar, a yielding gap is formed in the main bar, and a limiting shaft and a pivoting shaft are arranged at the yielding gap;
the rear frame comprises a rear disc, the rear disc is sleeved on the pivot shaft and comprises a positioning block, a first disc body and a second disc body, the positioning block is positioned between the first disc body and the second disc body and is respectively fixed with the first disc body and the second disc body, and the positioning block is provided with a first stop groove and a second stop groove;
the unlocking structure is rotatably arranged between the first disc body and the second disc body;
the locking structure is rotatably arranged on the positioning block and positioned between the first disc body and the second disc body;
the clamping structure is rotatably arranged on the positioning block and positioned between the first disc body and the second disc body;
the front frame can rotate between an unfolding position and a folding position relative to the rear frame along with the pivot shaft, when the front frame is positioned at the unfolding position, the limiting shaft is positioned in the first position stopping groove, and the locking structure is locked with the limiting shaft; when the front frame is positioned at the folding position, the locking structure is separated from the limiting shaft, the limiting shaft is positioned in the second stopping groove, and the locking structure is locked with the limiting shaft; the unlocking structure is buckled with the locking structure, and the locking structure can be separated from the limiting shaft when the unlocking structure is driven; the locking structure comprises a clamping hook and a locking piece, wherein the locking piece is rotatably arranged on the positioning block, and the clamping hook is rotatably connected with the locking piece and is clamped on the positioning block; the unlocking structure comprises an unlocking block, the unlocking block is rotatably arranged between the first disc body and the second disc body, the clamping hook comprises a clamping part and a hanging part, the upper end of the hanging part is rotatably arranged on the locking piece, and the lower end of the hanging part is provided with the clamping part; the clamping structure comprises a clamping block which is rotatably arranged between the first disc body and the second disc body; when the front frame is positioned at the unfolding position, the locking piece is locked with the limiting shaft, and when the front frame is positioned at the folding position, the locking piece is separated from the limiting shaft, and the locking piece is locked with the limiting shaft; the clamping hook is clamped with the unlocking block and can be separated from the unlocking block when the unlocking block is driven; the clamping structure further comprises a clamping torsion spring and a clamping shaft, wherein the clamping shaft is clamped on the positioning block and clamped between the first disc body and the second disc body, the clamping block is sleeved on the clamping shaft, and the clamping torsion spring is sleeved on the clamping shaft and clamped on the positioning block.
2. A folding bicycle with unlocking structure as claimed in claim 1, wherein: the positioning block is provided with a clamping shaft, the clamping part is clamped on the clamping shaft, and the unlocking block is clamped with the hanging part and separated from the hanging part when the unlocking block is driven.
3. A folding bicycle with unlocking structure as claimed in claim 2, wherein: the hanging part is provided with a clamping groove at one side opposite to the clamping part, one end of the unlocking block is clamped in the clamping groove, and the other end of the unlocking block is provided with an anti-slip strip.
4. A folding bicycle with unlocking structure as claimed in claim 2, wherein: the locking piece comprises a rotating block and a rotating shaft, wherein the rotating shaft is clamped in two mounting rings of the positioning block and positioned between the first disc body and the second disc body, the rotating block is sleeved on the rotating shaft, the locking structure further comprises a locking torsion spring, and the locking torsion spring is mounted on the rotating shaft and clamped on the rotating block.
5. A folding bicycle with unlocking structure as claimed in claim 3, wherein: the unlocking structure further comprises an unlocking shaft and an unlocking torsion spring, wherein the unlocking shaft is clamped between the first disc body and the second disc body, the unlocking block is rotatably sleeved on the unlocking shaft, and the unlocking torsion spring is sleeved on the unlocking shaft and is clamped on the unlocking block.
6. A folding bicycle with unlocking structure as defined in claim 5, wherein: the unlocking block is provided with a shaft hole and a through hole, the unlocking block is sleeved on the unlocking shaft through the shaft hole, and the unlocking torsion spring is positioned in the through hole and is clamped on the unlocking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081468.0A CN109693749B (en) | 2019-01-28 | 2019-01-28 | Folding bicycle with unlocking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910081468.0A CN109693749B (en) | 2019-01-28 | 2019-01-28 | Folding bicycle with unlocking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109693749A CN109693749A (en) | 2019-04-30 |
| CN109693749B true CN109693749B (en) | 2024-02-23 |
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| CN201910081468.0A Active CN109693749B (en) | 2019-01-28 | 2019-01-28 | Folding bicycle with unlocking structure |
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| CN110525564B (en) * | 2019-08-14 | 2025-03-21 | 深圳市骜途智能科技有限公司 | A multifunctional scooter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200417360Y1 (en) * | 2006-01-06 | 2006-05-26 | 삼천리자전거 주식회사 | Folding mechanism of bicycle |
| JP3152233U (en) * | 2009-05-12 | 2009-07-23 | イェ ミン−ハン | Folding bike |
| CN102310913A (en) * | 2011-08-29 | 2012-01-11 | 太仓市车中宝休闲用品有限公司 | Fast and convenient folded small-wheel-diameter portable bicycle |
| CN202481214U (en) * | 2011-12-27 | 2012-10-10 | 天迅金属制品（太仓）有限公司 | Novel bicycle folder |
| CN105711719A (en) * | 2016-04-13 | 2016-06-29 | 江门市易龙实业有限公司 | Foldable electric bicycle |
| CN209795700U (en) * | 2019-01-28 | 2019-12-17 | 广西瑞祺丰新材料有限公司 | Folding bicycle with unlocking structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6942235B2 (en) * | 2003-12-01 | 2005-09-13 | Wen-Pin Chang | Foldable bicycle |
| TWM259748U (en) * | 2004-06-28 | 2005-03-21 | Guo-Ming Huang | Foldable bicycle frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200417360Y1 (en) * | 2006-01-06 | 2006-05-26 | 삼천리자전거 주식회사 | Folding mechanism of bicycle |
| JP3152233U (en) * | 2009-05-12 | 2009-07-23 | イェ ミン−ハン | Folding bike |
| CN102310913A (en) * | 2011-08-29 | 2012-01-11 | 太仓市车中宝休闲用品有限公司 | Fast and convenient folded small-wheel-diameter portable bicycle |
| CN202481214U (en) * | 2011-12-27 | 2012-10-10 | 天迅金属制品（太仓）有限公司 | Novel bicycle folder |
| CN105711719A (en) * | 2016-04-13 | 2016-06-29 | 江门市易龙实业有限公司 | Foldable electric bicycle |
| CN209795700U (en) * | 2019-01-28 | 2019-12-17 | 广西瑞祺丰新材料有限公司 | Folding bicycle with unlocking structure |
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