WO2020063670A1 - 用于折叠自行车的主车架及折叠自行车 - Google Patents

用于折叠自行车的主车架及折叠自行车 Download PDF

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Publication number
WO2020063670A1
WO2020063670A1 PCT/CN2019/107836 CN2019107836W WO2020063670A1 WO 2020063670 A1 WO2020063670 A1 WO 2020063670A1 CN 2019107836 W CN2019107836 W CN 2019107836W WO 2020063670 A1 WO2020063670 A1 WO 2020063670A1
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WO
WIPO (PCT)
Prior art keywords
lock
hinge
door lock
pipe
main frame
Prior art date
Application number
PCT/CN2019/107836
Other languages
English (en)
French (fr)
Inventor
黄锐康
奚蒲轮
Original Assignee
舜日有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 舜日有限公司 filed Critical 舜日有限公司
Priority to EP19867585.2A priority Critical patent/EP3858724B1/en
Publication of WO2020063670A1 publication Critical patent/WO2020063670A1/zh

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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
    • B62K15/008—Collapsible or foldable cycles the frame being foldable foldable about 2 or more axes

Definitions

  • the present application relates to the field of bicycles, and in particular, to a main frame for a folding bicycle and a folding bicycle.
  • Folding bicycles are generally folded through the frame, and the front and rear wheels are folded in half to reduce the volume of the bicycle and facilitate storage.
  • an embodiment of the present application provides a folding bicycle with simple and quick folding and a main frame thereof.
  • an embodiment of the present application provides a main frame for folding a bicycle, including:
  • a second hinge lock is installed on the upper pipe, and the second hinge lock is used to lock the lower pipe when the lower pipe is expanded relative to the upper pipe;
  • the connecting pipe is provided with a first receiving slot, the first receiving slot is used to receive the first lock body, a bottom of the first receiving slot is provided with a first limiting slot, and the first hinge When the lock is locked, the first limiting block is received in the first limiting groove.
  • the upper pipe is provided with a second receiving slot
  • the first receiving slot is in communication with the second receiving slot
  • the second receiving slot is used for receiving the first lock transmission member
  • the second hinge lock includes a second lock transmission member, a second lock body, and a second lock connector; the second lock connector is connected to the second lock Between the transmission member and the second locker body, the second locker transmission member can rotate around the second locker connection member, and the second locker body can rotate around the second locker connection member Rotating; the second lock body is provided with a second limiting block;
  • the lower tube is provided with a third receiving slot, the third receiving slot is used for receiving the second lock body, a second limiting slot is provided at the bottom of the third receiving slot, and the second hinge When the lock is locked, the second limit block is received in the second limit slot.
  • the upper pipe is provided with a fourth receiving slot
  • the third receiving slot is in communication with the fourth receiving slot
  • the fourth receiving slot is used for receiving the second lock transmission member.
  • the upper pipe assembly further includes a first hinge assembly and a second hinge assembly; the first hinge assembly is connected between the connection pipe and the upper pipe, so that the connection pipe can be opposite to each other.
  • the second hinge assembly is connected between the lower tube and the upper tube, so that the lower tube can rotate relative to the upper tube; the first hinge assembly and the second The hinge components are respectively located on opposite sides of the upper pipe piece; the first hinge lock and the second hinge lock are respectively located on opposite sides of the upper pipe piece; the first hinge component and the first hinge piece The hinge locks are respectively located on opposite sides of the upper pipe.
  • one end of the first hinge assembly is installed on the connecting pipe, and the other end of the first hinge assembly is installed on the upper pipe.
  • the first hinge assembly may be opposite to the connecting pipe. And the first hinge assembly is rotatable relative to the upper tube.
  • the first hinge assembly includes a first front shaft, a first rear shaft, and a first hinge connector; the first front shaft is connected to the connecting pipe and the first hinge connector The first rear shaft is connected between the first hinge connector and the upper pipe; the first front shaft is arranged in parallel with the first rear shaft, and the axis of the first front shaft The distance from the axial center of the first rear shaft is not less than the depth that the axial center is embedded in the connecting pipe and the upper pipe.
  • one end of the second hinge assembly is installed on the upper tube, and the other end of the second hinge assembly is installed on the lower tube.
  • the second hinge assembly may be opposite to the upper tube. And the second hinge assembly is rotatable relative to the lower leg.
  • a second accommodating slot is provided at the connection between the upper tube and the lower tube, and the second accommodating slot is used to receive the second hinge assembly.
  • the second hinge assembly includes a second front shaft, a second rear shaft, and a second hinge connector; the second front shaft is connected to the upper pipe member and the second hinge connector The second rear shaft is connected between the second hinge connector and the lower tube; the second front shaft and the second rear shaft are arranged in parallel, and the axis of the second front shaft The distance from the shaft center of the second rear shaft is not less than the depth that the shaft center is embedded in the upper pipe member and the lower pipe.
  • the first front axle and the first rear axle are located on a vertical plane, and the second front axle and the second rear axle
  • the shaft is located on another vertical plane; a predetermined angle is included between the first front shaft and the second front shaft, so that the axle of the front wheel and the axle of the rear wheel after the folding bicycle is aligned can be aligned.
  • the main frame further includes a first driving device and a second driving device
  • the handle is connected to the first driving device and the second driving device, respectively;
  • the first driving device is connected with the first hinge lock
  • the second driving device is connected with the second hinge lock
  • the first driving device When the handle is pressed, the first driving device can be driven to unlock the first hinge lock, and at the same time, the second driving device can be driven to unlock the second hinge lock.
  • the first driving device includes a first pushing member and a first connecting rod
  • the push rod is in contact with the first hinge lock, and the first pusher is movable along the axial direction of the push rod;
  • first connecting rod spring is sleeved on the first connecting rod, an inclined surface is provided at the other end of the first connecting rod, and the inclined surface of the first connecting rod is in contact with the handle.
  • the oblique block on the first pushing member contacts;
  • pressing the handle pushes the first connecting rod to move upward, the first connecting rod pushes the first pushing member to move outwardly of the upper pipe member, and the first The pushing member pushes the first hinge lock away to complete unlocking of the first hinge lock.
  • both ends of the handle facing the surface of the upper pipe are provided with slopes
  • the first driving device includes a first door lock and a first door lock connector
  • a first door lock spring is installed on the first door lock
  • the first door lock connector is installed with a first door lock connector spring, and a contact surface between the first door lock and the first door lock connector is an inclined surface;
  • the connecting pipe releases the pressing of the first door lock connector
  • the first door lock connector spring pushes the first door lock connector forward
  • the first A door lock connector releases the pressing of the first door lock
  • the first door lock spring pushes the first door lock downward
  • a first moving groove is provided in the upper pipe, the first moving groove is arranged along the axial direction of the upper pipe, and the inner wall of the first moving groove gradually decreases from the rear end to the front end;
  • a first metal bolt is installed in the first moving groove, a first metal bolt spring is installed at one end of the first metal bolt, the first metal bolt is connected to the inclined surface at one end of the handle, and the first metal bolt One end of the spring bears against the first metal bolt, and the other end of the first metal bolt spring is installed on the inner wall of the first moving groove.
  • the first metal bolt spring is used to push the first metal bolt against the first metal bolt.
  • the second driving device includes a second pushing member and a second connecting rod
  • the second pusher includes a push rod and an inclined block, the push rod of the second push member is in contact with the second hinge lock, and the second push member is movable along the axial direction of the push rod;
  • One end of the second connecting rod is connected to one end of the handle, a second connecting rod spring is sleeved on the second connecting rod, an inclined surface is provided at the other end of the second connecting rod, and the inclined surface of the second connecting rod In contact with the inclined block on the second pushing member;
  • pressing the handle pushes the second connecting rod to move upward, the second connecting rod pushes the second pushing member to move outwardly of the upper pipe member, and the second The pushing member pushes the second hinge lock away to complete unlocking of the second hinge lock.
  • a second door lock spring is installed on the second door lock
  • the second door lock connector is installed with a second door lock connector spring, and a contact surface between the second door lock and the second door lock connector is an inclined surface;
  • the lower tube releases the pressing force on the second door lock connector, and the second door lock connector spring pushes the second door lock connector to move backward.
  • Two door lock connectors release pressing of the second door lock, and the second door lock spring pushes the second door lock to move downward;
  • a second metal bolt is installed in the second moving slot, a second metal bolt spring is mounted on one end of the second metal bolt, and the second metal bolt is connected to the inclined surface of one end of the handle;
  • a card slot is provided on the second metal pin, and the second door lock spring can push the second door lock to move downward, so that the second door lock falls into the card slot provided on the second metal pin. To prevent the second metal plug from resetting.
  • the embodiment of the present application provides a folding bicycle and a main frame thereof, wherein the main frame includes: a connecting pipe piece; an upper pipe piece installed on the connecting pipe piece, and the connecting pipe piece can be opposite to The upper pipe is unfolded or folded; the lower pipe is installed on the upper pipe, and the lower pipe can be unfolded or folded relative to the upper pipe; the first hinge lock is installed on the upper pipe, and the first A hinge lock is used to lock the connecting pipe when the connecting pipe is unfolded relative to the upper pipe; a second hinge lock is installed on the upper pipe, and the second hinge lock is used for the lower pipe.
  • the tube locks the lower tube when the tube is unfolded relative to the upper tube; a handle connects the first hinge lock with the second hinge lock; when the first hinge lock locks the connecting tube, and When the second hinge lock locks the lower tube, the handle is used to drive both the first hinge lock and the second lock to unlock, so that the connecting tube and the lower tube can be opposite to each other.
  • the upper tube is folded.
  • the handle drives the first hinge lock and the second hinge lock to unlock, and one action can complete the simultaneous unlocking of the first hinge lock and the second hinge lock, which is simple. Quickly complete the folding operation of the folding bicycle.
  • FIG. 1 is a schematic structural diagram of a folding bicycle provided by one embodiment of the present application, wherein the folding bicycle is in a fully opened state;
  • FIG. 2 is a schematic structural diagram of the folding bicycle shown in FIG. 1, wherein the folding bicycle is in a newly folded state;
  • FIG. 3 is a schematic structural diagram of a main frame of the folding bicycle shown in FIG. 1;
  • FIG. 4 is a schematic structural view of the main frame shown in FIG. 3 from another angle;
  • FIG. 5 is a partial sectional view of the main frame shown in FIG. 4;
  • FIG. 7 is an exploded view of the second hinge assembly of the main frame shown in FIG. 5;
  • FIG. 8 is a sectional view of a first lock of the main frame shown in FIG. 3;
  • FIG. 9 is a schematic structural diagram of a first lock shown in FIG. 8 in a first state
  • FIG. 10 is a schematic structural diagram of a first lock shown in FIG. 8 in a second state
  • FIG. 11 is a sectional view of a second lock of the main frame shown in FIG. 3;
  • FIG. 12 is a schematic structural diagram of a second lock buckle shown in FIG. 11 in a first state
  • FIG. 13 is a schematic structural diagram of a second lock buckle shown in FIG. 11 in a second state
  • FIG. 15 is another perspective view of a partial cross-sectional view of the main frame shown in FIG. 14, wherein the folding bicycle is in an opened state;
  • FIG. 17 is a schematic view of the folding bicycle shown in FIG. 1 in a fully folded state.
  • a folding bicycle 500 provided by one embodiment of the present application includes a main frame 100, a front frame 200, a front wheel 300, and a rear wheel 400.
  • the front frame 200 is connected to the front end of the main frame 100, the front wheels 300 are mounted on the front frame 200, and the rear wheels 400 are mounted on the rear end of the main frame 100.
  • the front frame 200 includes a grip 202, a front tube 204, and a front fork 206.
  • a middle portion of the grip 202 is fixed to one end of the front tube 204, and the other end of the front tube 204 and A front fork 206 is fixed at one end, a front axle is mounted at the other end of the front fork 206, and the front wheel 300 is mounted on the front axle.
  • the main frame 100 includes an upper tube assembly 10, a lower tube 20, a riser 30, and a rear fork 40.
  • One end of the upper tube assembly 10 is fixed to one end of the lower tube 20, and the riser 30 It is fixed to the lower tube 20, and the rear fork 40 is connected to the lower tube 20.
  • the upper pipe assembly 10 includes a connecting pipe piece 11 and an upper pipe piece 12, the connecting pipe piece 11 is a hollow cylinder connected to the front pipe 204, and the connecting pipe piece 11 and the front pipe 204 are axially coincident with each other.
  • a front pipe 204 passes through the connecting pipe member 11, and the front pipe 204 is connected to the connecting pipe member 11 (see FIG. 2).
  • the lower pipe 20 includes a first lower pipe member 21 and a second lower pipe member 22.
  • the first lower pipe member 21 and the second lower pipe member 22 are connected to the same end as the upper pipe member 12.
  • One end of the riser 30 is fixed to one end of the first lower pipe piece 21, and one end of the second lower tube piece 22 is fixed to the riser 30 and is close to the other end of the riser 30.
  • a seat cushion is installed on the upper end of the riser 30, and a seat tube clamp is installed on the riser 30.
  • the seat tube clamp is used to control the expansion and contraction of the riser 30 and adjust the height of the seat cushion.
  • the rear fork 40 includes a rear lower fork 41 and a rear upper fork 42.
  • One end of the rear lower fork 41 is fixed at a connection between the first lower pipe member 21 and the riser 30.
  • One end of the rear upper fork 42 is fixed at Where the second lower pipe 22 is connected to the riser 30, the other end of the rear fork 42 is connected to the other end of the rear fork 41, and the connecting portion of the rear upper fork 42 and the rear fork 41 is connected.
  • a rear axle is mounted, and the rear wheel 400 is mounted on the rear axle.
  • the first hinge assembly 13 is connected between the connecting pipe 11 and the upper pipe 12.
  • the first hinge lock 15 is installed on the upper pipe 12, and the first hinge lock 15 is used to lock the connecting pipe 11 when the connecting pipe 11 is expanded relative to the upper pipe 12, specifically, the first hinge lock 15 is connected to the connecting pipe 11 and the upper pipe 12
  • the first hinge component 13 and the first hinge lock 15 are located on opposite sides of the connecting pipe piece 11 and the upper pipe piece 12, and the connecting pipe piece 11 can be opposed to each other through the first hinge component 13
  • the first hinge lock 15 can lock the connecting pipe member 11 to the upper pipe member 12.
  • the first hinge assembly 13 and the second hinge assembly 14 are located on opposite sides of the upper pipe member 12, and the first hinge lock 15 and the second hinge lock 16 are located on the upper pipe member 12. Opposite sides.
  • the connecting pipe 11 and the upper pipe 12 are both hollow pipes.
  • a first receiving groove 120 is provided at a connection between the connecting pipe 11 and the upper pipe 12.
  • such a structure can not only make the upper tube assembly 10 compact and reduce the volume, but also prevent the first hinge assembly 13 from colliding with other components.
  • the first hinge assembly 13 includes a first front shaft 130, a first rear shaft 132, and a first hinge connector 134.
  • the first front shaft 130 is connected to the connecting pipe member 11 and the first hinge connector 134.
  • the first rear shaft 132 is connected between the first hinge connecting member 134 and the upper pipe member 12.
  • the first front shaft 130 is installed on the connecting pipe 11, the first rear shaft 132 is installed on the upper pipe 12, and one end of the first hinge connection 134 is sleeved on the first The other end of the front shaft 130 and the first hinge connecting member 134 is sleeved on the first rear shaft 132.
  • the first hinge connecting member 134 can rotate relative to the connecting pipe member 11 about the first front shaft 130, and the first hinge connecting member 134 can rotate relative to the upper pipe member 12 about the first rear shaft 132. Turn.
  • the first front shaft 130 is arranged in parallel with the first rear shaft 132, and the distance between the shaft center of the first front shaft 130 and the shaft center of the first rear shaft 132 is not less than the shaft center embedded in the connecting pipe.
  • the depth between 11 and the upper pipe piece 12 is such that when the connecting pipe piece 11 is folded relative to the upper pipe piece 12, the connecting pipe piece 11 and the upper pipe piece 12 can be seamlessly fitted. When the pipe fitting 11 is expanded relative to the upper pipe fitting 12, the connecting pipe fitting 11 and the upper pipe fitting 12 do not interfere with each other.
  • the upper tube piece 12 and the lower tube 20 are provided with a second receiving groove 122 at a joint thereof.
  • the second receiving groove 122 is used to receive the second hinge assembly 14.
  • the structure of the upper tube assembly 10 can be made compact and the volume can be reduced, and the second hinge assembly 14 can be prevented from colliding with other components.
  • the second hinge assembly 14 includes a second front shaft 140, a second rear shaft 142, and a second hinge connector 144.
  • the second front shaft 140 is connected to the upper pipe member 12 and the second hinge connector 144.
  • the second rear shaft 142 is connected between the second hinge connection 144 and the lower tube 20.
  • the second front shaft 140 is installed on the upper pipe member 12
  • the second rear shaft 142 is installed on the lower pipe 20
  • one end of the second hinge connection member 144 is sleeved on the second pipe member.
  • the other end of the front shaft 140 and the second hinge connecting member 144 is sleeved on the second rear shaft 142.
  • the second front shaft 140 and the second rear shaft 142 are disposed in parallel, and the distance between the shaft center of the second front shaft 140 and the shaft center of the second rear shaft 142 is not less than the shaft center embedded in the upper pipe. 12 and the depth of the lower tube 20.
  • the first front axle 130 and the first rear axle 132 are located on a vertical plane
  • the second front axle 140 and the second rear axle 142 Located on another vertical plane.
  • a predetermined included angle is formed between the first front shaft 130 and the second front shaft 140, for example, the preset included angle is about 38 degrees, so that the axle of the front wheel 300 after the folding bicycle 500 is folded Align with the axle of the rear wheel 400.
  • the first hinge lock 15 includes a first lock transmission member 151, a first lock body 152 and a first lock connection member 153, the first lock connection member 153 is connected between the first lock transmission member 151 and the first lock body 152, and the first lock transmission member 151 is rotatable about the first lock connection member 153, and the first The lock body 152 is rotatable about the first lock connector 153.
  • first lock connection member 153 is hinged to the first lock transmission member 151, and the other end of the first lock connection member 153 is hinged to the first lock body 152, so that The first locker connection member 153 is a connecting rod.
  • first locker transmission member 151 rotates
  • first locker body 152 is driven to rotate by the first locker connection member 153.
  • the connecting pipe 11 is provided with a first receiving groove 110 at an end connected to the upper pipe 12.
  • the first receiving groove 110 is used for receiving the first lock body 152.
  • the bottom of the groove is provided with a first limiting groove 112.
  • a surface of the first locking body 152 opposite to the first receiving groove 110 is provided with a first limiting block 1520, and the first limiting block 1520 is received in the first When a limiting groove 112 is provided, the first hinge lock 15 locks the connecting pipe 11.
  • the upper pipe piece 12 is further provided with a second receiving groove 124.
  • the first receiving groove 110 communicates with the second receiving groove 124.
  • the two receiving slots 124 are used for receiving the first lock transmission member 151.
  • the second hinge lock 16 includes a second lock transmission member 161, a second lock body 162 and a second lock connection member 163, the second lock connection member 163 is connected between the second lock transmission member 161 and the second lock body 162, and the second lock transmission member 161 is rotatable around the second lock connection member 163, and the second The lock body 162 is rotatable about the second lock connector 163.
  • one end of the second lock connection member 163 is hinged to the second lock transmission member 161, and the other end of the second lock connection member 163 is hinged to the second lock body 162, so that The second locker connection member 163 is a connecting rod, and the second locker transmission member 161 rotates while driving the second locker body 162 to rotate through the second locker connection member 163.
  • the lower tube 20 is provided with a third receiving slot 202 at an end connected to the upper tube piece 12.
  • the third receiving slot 202 is used for receiving the second locking body 162.
  • a second limit slot 204 is provided at the bottom of the slot.
  • a second limit block 1620 is provided on a surface of the second lock body 162 opposite to the third receiving slot 202. When the second hinge lock 16 is locked, The second limiting block 1620 is received in the second limiting slot 204.
  • a mounting plate 128 is provided in the upper pipe piece 12, the mounting plate 128 is provided on an inner wall of the upper pipe piece 12, and the mounting plate 128 extends along the upper pipe piece 12. Axial setting.
  • the mounting plate 128 is provided with a first circular through hole 1280 and a second circular through hole 1282.
  • the upper tube assembly 10 further includes a handle 17, a first driving device 18, and a second driving device 19, and the handle 17 is connected to the first driving device 18 and the second driving device 19, respectively.
  • the driving device 18 is connected to the first hinge lock 15, and the second driving device 19 is connected to the second hinge lock 16.
  • the first driving device 18 can be driven.
  • the first hinge lock 15 is unlocked, and at the same time, the second driving device 19 can drive the second hinge lock 16 to unlock.
  • the first driving device 18 and the second driving device 19 are mounted on opposite ends of the mounting plate 128.
  • the first driving device 18 includes a first pushing member 180 and a first connecting rod 181.
  • a push rod is provided at one end of the first push member 180, and the push rod is in contact with the first lock transmission member 151.
  • the first push member 180 can move along the axial direction of the push rod, so The other end of the first pushing member 180 is provided with an inclined block.
  • One end of the first connecting rod 181 is connected to the handle 17, a first connecting rod spring 1810 is sleeved on the first connecting rod 181, and an inclined surface is provided at the other end of the first connecting rod 181.
  • the inclined surface of the connecting rod 181 is in contact with the inclined block on the first pushing member 180, the first connecting rod 181 passes through the first through hole 1280, and the first connecting rod 181 may extend along the first through hole.
  • the hole 1280 axis moves.
  • pressing the handle 17 pushes the first connecting rod 181 to move upward, and the first connecting rod 181 pushes the first pushing member 180 toward the outside of the upper pipe member 12.
  • the first pusher 180 pushes the first lock transmission member 151 away to complete the unlocking of the first hinge lock 15.
  • the first driving device 18 further includes a first door lock 182 and a first door lock connection piece 183.
  • a first door lock spring 1820 is installed on the first door lock 182, and the first door lock connection piece 183 is mounted on a first A door lock connector spring 1830.
  • the contact surface between the first door lock 182 and the first door lock connector 183 is an inclined surface.
  • a first moving groove 185 is provided in the upper pipe piece 12.
  • the first moving groove 185 is disposed substantially along the axial direction of the upper pipe piece 12.
  • the inner wall of the first moving groove 185 gradually decreases from the rear end to the front end.
  • a first metal bolt 184 is installed in the first moving groove 185.
  • a first metal bolt spring 1840 is mounted on one end of the first metal bolt 184, and the first metal bolt 184 is connected to an inclined surface of one end of the handle 17.
  • One end of the first metal bolt spring 1840 is against the first metal bolt 184, and the other end of the first metal bolt spring 1840 is installed on the inner wall of the first moving groove 185.
  • the first metal bolt spring 1840 is used for The first metal bolt 184 is pushed against the connecting pipe 11.
  • the handle 17 moves upward, and the first metal bolt 184 moves backward along the inclined surface of one end of the handle 17, driving the first metal bolt 184 to compress the first metal bolt spring 1840.
  • the first metal bolt 184 moves backward along the first moving groove 185 to disengage from the connecting pipe 11, and the connecting pipe 11 can rotate relative to the upper pipe 12 through the first hinge assembly 13.
  • the connecting pipe 11 When the connecting pipe 11 is rotated relative to the upper pipe 12, the connecting pipe 11 releases the pressing of the first door lock connector 183, and the first door lock connector spring 1830 pushes the first The door lock connector 183 moves forward, the first door lock spring 1820 pushes the first door lock 182 downward, and the first door lock 182 falls into a slot formed in the first metal bolt 184 To prevent the first metal plug 184 from resetting.
  • the provision of the first metal bolt 184 can prevent the connecting pipe 11 from rotating relative to the upper pipe 12 when the folding bicycle 500 is opened, which enhances the connection strength of the first hinge assembly 13 and can effectively resist
  • the torsion and bending force caused by the folding bicycle 500 during pedaling keep the upper tube assembly 10 strong and prevent the first hinge lock 15 from being accidentally opened while riding.
  • the second driving device 19 further includes a second door lock 192 and a second door lock connection piece 193.
  • a second door lock spring 1920 is installed on the second door lock 192, and the second door lock connection piece 193 is mounted on the second door lock connection piece 193.
  • the contact surface between the second door lock 192 and the second door lock connector 193 is an inclined surface.
  • the second door lock connector spring 1930 pushes the second door lock connector 193 to move backward (ie, moves toward the lower pipe 20), and the second door lock connector 193 193 releases the pressing of the second door lock 192, and the second door lock spring 1920 pushes the second door lock 192 to move downward (that is, move toward the direction of the handle 17).
  • the upper pipe member 12 is provided with a second moving groove 195 therein.
  • the second moving groove 195 is disposed substantially along the axial direction of the upper pipe member 12.
  • the inner wall of the second moving groove 195 gradually decreases from the front end to the rear end (i.e., (Direction from the upper pipe member 12 toward the lower pipe 20).
  • a second metal bolt 194 is installed in the second moving groove 195.
  • a second metal bolt spring 1940 is installed at one end of the second metal bolt 194, and the second metal bolt 194 is connected to an inclined surface at one end of the handle 17.
  • One end of the second metal bolt spring 1940 is pressed against the second metal bolt 194, and the other end of the second metal bolt spring 1940 is installed on the inner wall of the second moving groove 195.
  • the second metal bolt spring 1940 is used for The second metal plug 194 is pushed against the lower tube 20.
  • the second metal bolt 194 is provided to prevent the lower tube 20 from rotating with respect to the upper tube member 12 when the folding bicycle 500 is opened, which enhances the connection strength of the second hinge assembly 14 and can effectively resist
  • the torsion and bending force caused by the folding bicycle 500 during pedaling keeps the upper tube assembly 10 strong, and at the same time prevents the second hinge lock 16 from being accidentally opened while riding.

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  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

用于折叠自行车的主车架(100)及折叠自行车(500)，包括连接管件(11)，上管件(12)，下管(20)，第一、二铰链锁扣(15,16)和把手(17)。上管件(12)安装于连接管件(11)，连接管件(11)可相对于上管件(12)展开或者折叠。下管(20)安装于上管件(12)，下管(20)可相对于上管件(12)展开或者折叠。第一铰链锁扣(15)安装于上管件(12)，用于在连接管件(11)相对于上管件(12)展开时锁定连接管件(11)。第二铰链锁扣(16)安装于上管件(12)，用于在下管(20)相对于上管件(12)展开时锁定下管(20)。把手(17)连接第一、二铰链锁扣(15,16)，当第一铰链锁扣(15)锁定连接管件(11)，且第二铰链锁扣(16)锁定下管(20)时，把手(17)驱动第一、二铰链锁扣(15,16)均解锁，使得连接管件(11)与下管(20)均可相对于上管件(12)折叠。通过此方式，一个动作可完成第一、二铰链锁扣(15,16)同时解锁，可快捷地完成折叠自行车(500)的折叠操作。

Description

用于折叠自行车的主车架及折叠自行车
本申请要求于2018年9月26日提交中国专利局，申请号为201821584396.9，发明名称为“用于折叠自行车的主车架及折叠自行车”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及自行车领域，尤其涉及一种用于折叠自行车的主车架及折叠自行车。
背景技术
折叠自行车一般通过车架折叠，将前后两轮对折在一起，可减小自行车的体积，便于存放。
现有的折叠自行车折叠或展开时需要解除多个锁扣，操作复杂。
发明内容
为了解决上述技术问题，本申请实施例提供了一种折叠简单快捷的折叠自行车及其主车架。
为了解决上述技术问题，本申请实施例提供以下技术方案：
在第一方面，本申请实施例提供一种用于折叠自行车的主车架，包括：
连接管件；
上管件，所述上管件安装于所述连接管件，所述连接管件可相对于所述上管件展开或者折叠；
下管，所述下管安装于所述上管件，所述下管可相对于所述上管件展开或者折叠；
第一铰链锁扣，安装于所述上管件，所述第一铰链锁扣用于在所述连接管件相对于所述上管件展开时锁定所述连接管件；
第二铰链锁扣，安装于所述上管件，所述第二铰链锁扣用于在所述下管相对于所述上管件展开时锁定所述下管；
把手，连接所述第一铰链锁扣与所述第二铰链锁扣；当所述第一铰链锁扣锁定所述连接管件，并且所述第二铰链锁扣锁定所述下管时，所述把手用于驱动所述第一铰链锁扣与所述第二铰链锁扣均解锁，使得所述连接管件与所述下 管均可相对于所述上管件折叠。
在一些实施例中，所述第一铰链锁扣包括第一锁扣传动件，第一锁扣主体和第一锁扣连接件；所述第一锁扣连接件连接于所述第一锁扣传动件与所述第一锁扣主体之间，所述第一锁扣传动件可绕所述第一锁扣连接件转动，所述第一锁扣主体可绕所述第一锁扣连接件转动；所述第一锁扣主体设有第一限位块；
所述连接管件设有第一收容槽，所述第一收容槽用于收容所述第一锁扣主体，所述第一收容槽的槽底设有第一限位槽，所述第一铰链锁扣锁紧时，所述第一限位块收容于所述第一限位槽。
在一些实施例中，所述上管件设有第二收容槽，所述第一收容槽与所述第二收容槽连通，所述第二收容槽用于收容所述第一锁扣传动件。
在一些实施例中，所述第二铰链锁扣包括第二锁扣传动件，第二锁扣主体和第二锁扣连接件；所述第二锁扣连接件连接于所述第二锁扣传动件与所述第二锁扣主体之间，所述第二锁扣传动件可绕所述第二锁扣连接件转动，所述第二锁扣主体可绕所述第二锁扣连接件转动；所述第二锁扣主体设有第二限位块；
所述下管设有第三收容槽，所述第三收容槽用于收容所述第二锁扣主体，所述第三收容槽的槽底设有第二限位槽，所述第二铰链锁扣锁紧时，所述第二限位块收容于所述第二限位槽。
在一些实施例中，所述上管件设有第四收容槽，所述第三收容槽与所述第四收容槽连通，所述第四收容槽用于收容所述第二锁扣传动件。
在一些实施例中，所述上管组件还包括第一铰链组件和第二铰链组件；所述第一铰链组件连接于所述连接管件与所述上管件之间，使得所述连接管件可相对于所述上管件转动，所述第二铰链组件连接于所述下管与所述上管件之间，使得所述下管可相对于所述上管件转动；所述第一铰链组件和第二铰链组件分别位于所述上管件的相对两侧；所述第一铰链锁扣与所述第二铰链锁扣分别位于所述上管件的相对两侧；所述第一铰链组件和所述第一铰链锁扣分别位于所述上管件的相对两侧。
在一些实施例中，所述第一铰链组件的一端安装于所述连接管件，所述第一铰链组件的另一端安装于所述上管件，所述第一铰链组件可相对于所述连接管件转动，并且所述第一铰链组件可相对于所述上管件转动。
在一些实施例中，所述连接管件与所述上管件连接处开设有第一容纳槽， 所述第一容纳槽用于收容所述第一铰链组件。
在一些实施例中，所述第一铰链组件包括第一前轴，第一后轴和第一铰链连接件；所述第一前轴连接于所述连接管件与所述第一铰链连接件之间，所述第一后轴连接于所述第一铰链连接件与所述上管件之间；所述第一前轴与所述第一后轴平行设置，所述第一前轴的轴心与所述第一后轴的轴心的距离不小于轴心嵌入所述连接管件与所述上管件的深度。
在一些实施例中，所述第二铰链组件的一端安装于所述上管件，所述第二铰链组件的另一端安装于所述下管，所述第二铰链组件可相对于所述上管件转动，并且所述第二铰链组件可相对于所述下管转动。
在一些实施例中，所述上管件与所述下管连接处开设有第二容纳槽，所述第二容纳槽用于收容所述第二铰链组件。
在一些实施例中，所述第二铰链组件包括第二前轴，第二后轴和第二铰链连接件；所述第二前轴连接于所述上管件与所述第二铰链连接件之间，所述第二后轴连接于所述第二铰链连接件与所述下管之间；所述第二前轴和所述第二后轴平行设置，所述第二前轴的轴心与所述第二后轴的轴心的距离不小于轴心嵌入所述上管件与所述下管的深度。
在一些实施例中，在所述折叠自行车打开并且放置于一水平面时，所述第一前轴和所述第一后轴位于一个竖直面，所述第二前轴和所述第二后轴位于另一个竖直面；所述第一前轴与所述第二前轴之间呈预设夹角，可使得所述折叠自行车折叠后前车轮的轮轴和后车轮的轮轴对齐。
在一些实施例中，所述主车架还包括第一驱动装置与第二驱动装置；
所述把手分别与所述第一驱动装置和所述第二驱动装置连接；
所述第一驱动装置与所述第一铰链锁扣连接；
所述第二驱动装置与所述第二铰链锁扣连接；
当按动所述把手时，可使所述第一驱动装置驱动所述第一铰链锁扣解锁，同时可使所述第二驱动装置驱动所述第二铰链锁扣解锁。
在一些实施例中，所述第一驱动装置包括第一推动件和第一连接杆；
所述第一推动件包括推杆和斜块；
所述推杆与所述第一铰链锁扣抵接，所述第一推动件可沿所述推杆的轴心方向移动；
所述第一连接杆一端与所述把手连接，所述第一连接杆上套设有第一连接杆弹簧，所述第一连接杆另一端设有斜面，所述第一连接杆的斜面与所述第一推动件上的斜块接触；
所述主车架折叠时，按动所述把手推动所述第一连接杆向上移动，所述第一连接杆推动所述第一推动件向所述上管件的外侧方向移动，所述第一推动件将所述第一铰链锁扣推开，完成所述第一铰链锁扣的解锁。
在一些实施例中，所述把手朝向所述上管件的表面的两端均设有斜面；
所述第一驱动装置包括第一门锁和第一门锁连接件；
所述第一门锁上安装第一门锁弹簧；
所述第一门锁连接件安装第一门锁连接件弹簧，所述第一门锁与所述第一门锁连接件接触面为斜面；
所述主车架折叠时，所述连接管件解除对所述第一门锁连接件的按压，所述第一门锁连接件弹簧推动所述第一门锁连接件向前移动，所述第一门锁连接件解除对所述第一门锁的按压，所述第一门锁弹簧推动所述第一门锁向下移动；
所述上管件内设有第一移动槽，所述第一移动槽沿所述上管件的轴向设置，所述第一移动槽内壁由后端向前端逐渐缩小；
所述第一移动槽内安装有第一金属栓，所述第一金属栓一端装有第一金属栓弹簧，所述第一金属栓与所述把手一端的斜面连接，所述第一金属栓弹簧一端顶住所述第一金属栓，所述第一金属栓弹簧另一端安装于所述第一移动槽内壁，所述第一金属栓弹簧用于推动所述第一金属栓抵靠所述连接管件；
所述第一金属栓上开设卡槽，所述第一门锁弹簧可推动所述第一门锁向下移动，使得所述第一门锁落入所述第一金属栓上开设的卡槽，可阻止所述第一金属栓复位。
在一些实施例中，所述第二驱动装置包括第二推动件和第二连接杆；
所述第二推动件包括推杆和斜块，所述第二推动件的推杆与所述第二铰链锁扣抵接，所述第二推动件可沿其推杆的轴心方向移动；
所述第二连接杆一端与所述把手一端连接，所述第二连接杆上套设有第二连接杆弹簧，所述第二连接杆另一端设有斜面，所述第二连接杆的斜面与所述第二推动件上的斜块接触；
所述主车架折叠时，按动所述把手推动所述第二连接杆向上移动，所述第 二连接杆推动所述第二推动件向所述上管件的外侧方向移动，所述第二推动件将所述第二铰链锁扣推开，完成所述第二铰链锁扣的解锁。
在一些实施例中，所述第二驱动装置包括第二门锁和第二门锁连接件；
所述第二门锁上安装第二门锁弹簧；
所述第二门锁连接件安装第二门锁连接件弹簧，所述第二门锁与所述第二门锁连接件接触面为斜面；
所述主车架折叠时，所述下管解除对所述第二门锁连接件的按压，所述第二门锁连接件弹簧推动所述第二门锁连接件向后移动，所述第二门锁连接件解除对所述第二门锁的按压，所述第二门锁弹簧推动所述第二门锁向下移动；
所述上管件内设有第二移动槽，所述第二移动槽沿所述上管件的轴向设置，所述第二移动槽内壁由前端向后端逐渐缩小；
所述第二移动槽内安装有第二金属栓，所述第二金属栓一端装有第二金属栓弹簧，所述第二金属栓与所述把手一端的斜面连接；
所述第二金属栓弹簧一端顶住所述第二金属栓，所述第二金属栓弹簧另一端安装于所述第二移动槽内壁，所述第二金属栓弹簧用于推动所述第二金属栓抵靠所述下管；
所述第二金属栓上开设卡槽，所述第二门锁弹簧可推动所述第二门锁向下移动，使得所述第二门锁落入所述第二金属栓上开设的卡槽，可阻止所述第二金属栓复位。
在第二方面，本申请实施例提供了一种折叠自行车，包括：如上所述的主车架，前车架，前车轮和后车轮；所述主车架与所述前车架连接，所述前车轮安装在所述前车架上，所述后车轮安装在所述主车架上。
与现有技术相比，本申请实施例提供一种折叠自行车及其主车架，其中所述主车架包括：连接管件；上管件，安装于所述连接管件，所述连接管件可相对于所述上管件展开或者折叠；下管，安装于所述上管件，所述下管可相对于所述上管件展开或者折叠；第一铰链锁扣，安装于所述上管件，所述第一铰链锁扣用于在所述连接管件相对于所述上管件展开时锁定所述连接管件；第二铰链锁扣，安装于所述上管件，所述第二铰链锁扣用于在所述下管相对于所述上管件展开时锁定所述下管；把手，连接所述第一铰链锁扣与所述第二铰链锁扣；当所述第一铰链锁扣锁定所述连接管件，并且所述第二铰链锁扣锁定所述下管 时，所述把手用于驱动所述第一铰链锁扣与所述第二锁扣均解锁，使得所述连接管件与所述下管均可相对于所述上管件折叠。通过上述方式，所述把手驱动所述第一铰链锁扣与所述第二铰链锁扣解锁，一个动作即可完成所述第一铰链锁扣与所述第二铰链锁扣同时解锁，可简单快捷地完成折叠自行车的折叠操作。
附图说明
一个或多个实施例通过与之对应的附图进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本申请其中一实施例提供的一种折叠自行车的结构示意图，其中所述折叠自行车处于完全打开状态；
图2是图1所示的折叠自行车的结构示意图，其中所述折叠自行车处于刚开始折叠状态；
图3是图1所示的折叠自行车的主车架的结构示意图；
图4是图3所示的主车架另一个角度的结构示意图；
图5是图4所示的主车架的局部剖视图；
图6是图5所示的主车架的第一铰链组件的分解图；
图7是图5所示的主车架的第二铰链组件的分解图；
图8是图3所示的主车架的第一锁扣的剖视图；
图9是图8所示的第一锁扣在第一状态下的结构示意图；
图10是图8所示的第一锁扣在第二状态下的结构示意图；
图11是图3所示的主车架的第二锁扣的剖视图；
图12是图11所示的第二锁扣在第一状态下的结构示意图；
图13是图11所示的第二锁扣在第二状态下的结构示意图；
图14是图3所示的主车架的局部剖视图；
图15是图14所示的主车架的局部剖视图的另一个视角，其中所述折叠自行车处于打开状态；
图16是图1所示的折叠自行车处于即将完全折叠状态的示意图；
图17是图1所示的折叠自行车处于完全折叠状态的示意图。
具体实施方式
为了便于理解本申请，下面结合附图和具体实施例，对本申请进行更详细的说明。需要说明的是，当元件被表述“固定于”另一个元件，它可以直接在另一个元件上、或者其间可以存在一个或多个居中的元件。当一个元件被表述“连接”另一个元件，它可以是直接连接到另一个元件、或者其间可以存在一个或多个居中的元件。本说明书所使用的术语“垂直的”、“水平的”、“左”、“右”、“内”、“外”以及类似的表述只是为了说明的目的。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。在本申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是用于限制本申请。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
请参阅图1，本申请其中一实施例提供的一种折叠自行车500，包括主车架100，前车架200，前车轮300，后车轮400。所述前车架200连接于所述主车架100的前端，所述前车轮300安装在前车架200上，所述后车轮400安装在所述主车架100的后端。
请参阅图2，所述前车架200包括握把202，前管204，前叉206，所述握把202的中部固定于所述前管204的一端，所述前管204的另一端与前叉206一端固定，所述前叉206另一端安装有前轴，所述前车轮300安装于所述前轴上。
请参阅图3，所述主车架100包括上管组件10，下管20，立管30，后叉40，所述上管组件10的一端与下管20的一端固定，所述立管30固定于所述下管20，所述后叉40与所述下管20连接。
所述上管组件10包括连接管件11，上管件12，所述连接管件11为中空圆柱体，与所述前管204连接，所述连接管件11与所述前管204轴心重合，所述前管204穿过所述连接管件11，并且所述前管204与所述连接管件11连接(见图2)。
所述下管20包括第一下管件21，第二下管件22，所述第一下管件21、所述第二下管件22与所述上管件12连接于同一端。
所述立管30一端与所述第一下管件21一端固定，所述第二下管件22一端固定于所述立管30，且接近所述立管30的另一端。所述立管30上端安装坐垫， 所述立管30上装有坐管夹，所述坐管夹用于控制立管30的伸缩，调节坐垫的高度。
所述后叉40包括后下叉41，后上叉42，所述后下叉41一端固定于所述第一下管件21与所述立管30连接处，所述后上叉42一端固定于所述第二下管件22与所述立管30连接处，所述后上叉42另一端与所述后下叉41另一端连接，所述后上叉42与所述后下叉41连接部分安装有后轴，所述后车轮400安装于所述后轴上。
请一并参阅图4和图5，所述上管组件10还包括第一铰链组件13，第二铰链组件14，第一铰链锁扣15和第二铰链锁扣16。
所述第一铰链组件13连接于所述连接管件11与所述上管件12之间，同样地，所述第一铰链锁扣15，安装于所述上管件12，所述第一铰链锁扣15用于在所述连接管件11相对于所述上管件12展开时锁定所述连接管件11，具体地，所述第一铰链锁扣15连接于所述连接管件11与所述上管件12之间，所述第一铰链组件13与所述第一铰链锁扣15位于所述连接管件11与所述上管件12的相对两侧，所述连接管件11可通过所述第一铰链组件13相对于所述上管件12转动，所述第一铰链锁扣15可将所述连接管件11锁紧于所述上管件12。
相似地，所述第二铰链组件14连接于所述上管件12与所述下管20之间，同样地，所述第二铰链锁扣16，安装于所述上管件12，所述第二铰链锁扣16用于在所述下管20相对于所述上管件12展开时锁定所述下管20，具体地，所述第二铰链锁扣16连接于所述上管件12与所述下管20之间，所述第二铰链组件14与所述第二铰链锁扣16位于所述上管件12与所述下管20的相对两侧，所述上管件12可通过所述第二铰链组件14相对于所述下管20转动，所述第二铰链锁扣16可将所述下管20锁紧于所述上管件12。
所述第一铰链组件13和所述第二铰链组件14位于所述上管件12的相对两侧，所述第一铰链锁扣15和所述第二铰链锁扣16位于所述上管件12的相对两侧。
请参阅图6，所述连接管件11与所述上管件12皆为中空管材，所述连接管件11与所述上管件12连接处开设有第一容纳槽120，所述第一容纳槽120用于收容所述第一铰链组件13，这样的结构既可以使得所述上管组件10的结构紧凑、减少体积，也可防止所述第一铰链组件13与其他组件发生碰撞。
所述第一铰链组件13包括第一前轴130，第一后轴132和第一铰链连接件134，所述第一前轴130连接于所述连接管件11与所述第一铰链连接件134之间，所述第一后轴132连接于所述第一铰链连接件134与所述上管件12之间。具体地，所述第一前轴130安装于所述连接管件11，所述第一后轴132安装于所述上管件12，所述第一铰链连接件134的一端套设于所述第一前轴130，所述第一铰链连接件134的另一端套设于所述第一后轴132。所述第一铰链连接件134可绕所述第一前轴130相对于所述连接管件11转动，所述第一铰链连接件134可绕所述第一后轴132相对于所述上管件12转动。
所述第一前轴130与所述第一后轴132平行设置，所述第一前轴130的轴心与所述第一后轴132的轴心的距离不小于轴心嵌入所述连接管件11与所述上管件12的深度，使得当所述连接管件11相对于所述上管件12折叠时，所述连接管件11与所述上管件12之间能够无缝贴合，当所述连接管件11相对于所述上管件12展开时，所述连接管件11与所述上管件12不会相互干涉。
请参阅图7，相似的，所述上管件12与所述下管20连接处开设有第二容纳槽122，所述第二容纳槽122用于收容所述第二铰链组件14，这样的结构既可以使得所述上管组件10的结构紧凑、减少体积，也可防止第二铰链组件14与其他组件发生碰撞。
所述第二铰链组件14包括第二前轴140，第二后轴142和第二铰链连接件144，所述第二前轴140连接于所述上管件12与所述第二铰链连接件144之间，所述第二后轴142连接于所述第二铰链连接件144与所述下管20之间。具体地，所述第二前轴140安装于所述上管件12，所述第二后轴142安装于所述下管20，所述第二铰链连接件144的一端套设于所述第二前轴140，所述第二铰链连接件144的另一端套设于所述第二后轴142。
所述第二前轴140和所述第二后轴142平行设置，所述第二前轴140的轴心与所述第二后轴142的轴心的距离不小于轴心嵌入所述上管件12与所述下管20的深度。
在所述折叠自行车500打开并且放置于一水平面时，所述第一前轴130和所述第一后轴132位于一个竖直面，所述第二前轴140和所述第二后轴142位于另一个竖直面。所述第一前轴130与所述第二前轴140之间呈预设夹角，例如所述预设夹角约为38度，使得所述折叠自行车500折叠后所述前车轮300的 轮轴和所述后车轮400的轮轴对齐。
请一并参阅图8至图10，所述第一铰链锁扣15包括第一锁扣传动件151，第一锁扣主体152和第一锁扣连接件153，所述第一锁扣连接件153连接于所述第一锁扣传动件151与所述第一锁扣主体152之间，所述第一锁扣传动件151可绕所述第一锁扣连接件153转动，所述第一锁扣主体152可绕所述第一锁扣连接件153转动。
具体地，所述第一锁扣连接件153一端铰接于所述第一锁扣传动件151，所述第一锁扣连接件153的另一端铰接于所述第一锁扣主体152，使得所述第一锁扣连接件153为一连杆，所述第一锁扣传动件151转动的同时，通过所述第一锁扣连接件153驱动所述第一锁扣主体152转动。
所述连接管件11在与所述上管件12连接的一端设有第一收容槽110，所述第一收容槽110用于收容所述第一锁扣主体152，所述第一收容槽110的槽底设有第一限位槽112，所述第一锁扣主体152相对第一收容槽110的表面上设有第一限位块1520，所述第一限位块1520收容于所述第一限位槽112时，所述第一铰链锁扣15锁紧所述连接管件11。
所述上管件12还设有第二收容槽124，当所述连接管件11相对于所述上管件12展开时，所述第一收容槽110与所述第二收容槽124连通，所述第二收容槽124用于收容所述第一锁扣传动件151。
请一并参阅图11至图13，所述第二铰链锁扣16包括第二锁扣传动件161，第二锁扣主体162和第二锁扣连接件163，所述第二锁扣连接件163连接于所述第二锁扣传动件161与所述第二锁扣主体162之间，所述第二锁扣传动件161可绕所述第二锁扣连接件163转动，所述第二锁扣主体162可绕所述第二锁扣连接件163转动。
具体地，所述第二锁扣连接件163一端铰接于所述第二锁扣传动件161，所述第二锁扣连接件163的另一端铰接于所述第二锁扣主体162，使得所述第二锁扣连接件163为一连杆，所述第二锁扣传动件161转动的同时，通过所述第二锁扣连接件163驱动所述第二锁扣主体162转动。
所述下管20在与所述上管件12连接的一端设有第三收容槽202，所述第三收容槽202用于收容所述第二锁扣主体162，所述第三收容槽202的槽底设有第二限位槽204，所述第二锁扣主体162相对第三收容槽202的表面上设有第二限 位块1620，所述第二铰链锁扣16锁紧时，所述第二限位块1620收容于所述第二限位槽204。
所述上管件12还设有第四收容槽126，当所述下管20相对于所述上管件12展开时，所述第三收容槽202与所述第四收容槽126连通，所述第四收容槽126用于收容所述第二锁扣传动件161。
请一并参阅图14和图15，所述上管件12内设置有安装板128，所述安装板128设置于所述上管件12的内壁，并且所述安装板128沿所述上管件12的轴向设置。所述安装板128上开设有圆形的第一通孔1280和圆形的第二通孔1282。
所述上管组件10还包括把手17，第一驱动装置18与第二驱动装置19，所述把手17分别与所述第一驱动装置18和所述第二驱动装置19连接，所述第一驱动装置18与所述第一铰链锁扣15连接，所述第二驱动装置19与所述第二铰链锁扣16连接，按动所述把手17时，可使所述第一驱动装置18驱动所述第一铰链锁扣15解锁，同时可使所述第二驱动装置19驱动所述第二铰链锁扣16解锁。所述第一驱动装置18与所述第二驱动装置19安装于所述安装板128的相对两端。
所述把手17朝向所述上管件12的表面的两端均设有斜面。
所述第一驱动装置18包括第一推动件180和第一连接杆181。所述第一推动件180一端设有推杆，所述推杆与所述第一锁扣传动件151抵接，所述第一推动件180可沿所述推杆的轴心方向移动，所述第一推动件180另一端设有斜块。所述第一连接杆181一端与所述把手17连接，所述第一连接杆181上套设有第一连接杆弹簧1810，所述第一连接杆181另一端设有斜面，所述第一连接杆181的斜面与所述第一推动件180上的斜块接触，所述第一连接杆181穿过所述第一通孔1280，所述第一连接杆181可沿所述第一通孔1280轴心移动。所述主车架100折叠时，按动所述把手17推动所述第一连接杆181向上移动，所述第一连接杆181推动所述第一推动件180向所述上管件12的外侧方向移动，所述第一推动件180将所述第一锁扣传动件151推开，完成所述第一铰链锁扣15的解锁。
所述第一驱动装置18还包括第一门锁182和第一门锁连接件183，所述第一门锁182上安装第一门锁弹簧1820，所述第一门锁连接件183安装第一门锁 连接件弹簧1830，所述第一门锁182与所述第一门锁连接件183接触面为斜面，所述主车架100折叠时，所述连接管件11解除对所述第一门锁连接件183的按压，所述第一门锁连接件弹簧1830推动所述第一门锁连接件183向前移动(即朝向所述连接管件11移动)，所述第一门锁连接件183解除对所述第一门锁182的按压，所述第一门锁弹簧1820推动所述第一门锁182向下移动(即朝向所述把手17的方向移动)。
所述上管件12内设有第一移动槽185，所述第一移动槽185大致沿所述上管件12的轴向设置，所述第一移动槽185内壁由后端向前端逐渐缩小。所述第一移动槽185内安装有第一金属栓184，所述第一金属栓184一端装有第一金属栓弹簧1840，所述第一金属栓184与所述把手17一端的斜面连接。所述第一金属栓弹簧1840一端顶住所述第一金属栓184，所述第一金属栓弹簧1840另一端安装于所述第一移动槽185内壁，所述第一金属栓弹簧1840用于推动所述第一金属栓184抵靠所述连接管件11。
所述主车架100折叠时，所述把手17向上移动，所述第一金属栓184沿所述把手17一端的斜面向后移动，带动所述第一金属栓184压缩第一金属栓弹簧1840，所述第一金属栓184沿所述第一移动槽185向后移动，脱离所述连接管件11，所述连接管件11可通过所述第一铰链组件13相对于所述上管件12转动。在所述连接管件11相对于所述上管件12转动时，所述连接管件11解除对所述第一门锁连接件183的按压，所述第一门锁连接件弹簧1830推动所述第一门锁连接件183向前移动，所述第一门锁弹簧1820推动所述第一门锁182向下移动，所述第一门锁182落入所述第一金属栓184上开设的卡槽，可阻止所述第一金属栓184复位。
松开对所述把手17的按压时，所述第一连接杆弹簧1810推动所述把手17复位。
在所述折叠自行车500打开时，所述连接管件11推动所述第一门锁连接件183向后移动，所述第一门锁连接件183的斜面与所述第一门锁182的斜面配合，使得所述第一门锁182向上移动，脱离所述第一金属栓184上开设的卡槽，解除所述第一金属栓184的锁定，所述第一金属栓弹簧1840推动所述第一金属栓184向前移动，抵靠所述连接管件11，且由于所述第一移动槽185内壁由后端向前端逐渐缩小,使得所述连接管件11抵靠所述第一移动槽185的内壁。设置 所述第一金属栓184，可在所述折叠自行车500打开时阻止所述连接管件11相对于所述上管件12转动，增强了所述第一铰链组件13的连接强度，可有效地对抗所述折叠自行车500在踩踏时造成的扭力和弯曲力，让所述上管组件10保持坚固，同时可防止所述第一铰链锁扣15在骑行时意外打开。
所述第二驱动装置19包括第二推动件190和第二连接杆191。所述第二推动件190一端设有推杆，所述推杆与所述第二锁扣传动件161抵接，所述第二推动件190可沿所述推杆的轴心方向移动，所述第二推动件190另一端设有斜块。所述第二连接杆191一端与把手17一端连接，所述第二连接杆191上套设有第二连接杆弹簧1910，所述第二连接杆191另一端设有斜面，所述第二连接杆191的斜面与所述第二推动件190上的斜块接触，所述第二连接杆191穿过所述第二通孔1282，所述第二连接杆191可沿所述第二通孔1282轴心移动，所述主车架100折叠时，按动所述把手17推动所述第二连接杆191向上移动，所述第二连接杆191推动所述第二推动件190向所述上管件12的外侧方向移动，所述第二推动件190将所述第二锁扣传动件161推开，完成所述第二铰链锁扣16的解锁。
所述第二驱动装置19还包括第二门锁192和第二门锁连接件193，所述第二门锁192上安装第二门锁弹簧1920，所述第二门锁连接件193安装第二门锁连接件弹簧1930，所述第二门锁192与所述第二门锁连接件193接触面为斜面，所述主车架100折叠时，所述下管20解除对所述第二门锁连接件193的按压，所述第二门锁连接件弹簧1930推动所述第二门锁连接件193向后移动(即朝向所述下管20移动)，所述第二门锁连接件193解除对所述第二门锁192的按压，所述第二门锁弹簧1920推动所述第二门锁192向下移动(即朝向所述把手17的方向移动)。
所述上管件12内设有第二移动槽195，所述第二移动槽195大致沿所述上管件12的轴向设置，所述第二移动槽195内壁由前端向后端逐渐缩小(即自所述上管件12朝向所述下管20的方向)。所述第二移动槽195内安装有第二金属栓194，所述第二金属栓194一端装有第二金属栓弹簧1940，所述第二金属栓194与所述把手17一端的斜面连接。所述第二金属栓弹簧1940一端顶住所述第二金属栓194，所述第二金属栓弹簧1940另一端安装于所述第二移动槽195内壁，所述第二金属栓弹簧1940用于推动所述第二金属栓194抵靠所述下管20。
所述主车架100折叠时，所述把手17向上移动，所述第二金属栓194沿所述把手17一端的斜面向前移动，带动所述第二金属栓194压缩第二金属栓弹簧1940，所述第二金属栓194沿所述第二移动槽195向前移动，脱离所述下管20，所述下管20可通过所述第二铰链组件13相对于所述上管件12转动。在所述下管20相对于所述上管件12转动时，所述下管20解除对所述第二门锁连接件193的按压，所述第二门锁连接件弹簧1930推动所述第二门锁连接件193向后移动，所述第二门锁弹簧1920推动所述第二门锁192向下移动，所述第二门锁192落入所述第二金属栓194上开设的卡槽，可阻止所述第二金属栓194复位。
松开对所述把手17的按压时，所述第二连接杆弹簧1910推动所述把手17复位。
在所述折叠自行车500打开时，所述下管20推动所述第二门锁连接件193向前移动，所述第二门锁连接件193的斜面与所述第二门锁192的斜面配合，使得所述第二门锁192向上移动，脱离所述第二金属栓194上开设的卡槽，解除所述第二金属栓194的锁定，所述第二金属栓弹簧1940推动所述第二金属栓194向前移动，抵靠所述下管20，且由于所述第二移动槽195内壁由前端向后端逐渐缩小，使得所述第二金属栓194抵靠所述第二移动槽195的内壁。设置所述第二金属栓194，可在所述折叠自行车500打开时阻止所述下管20相对于所述上管件12转动，增强了所述第二铰链组件14的连接强度，可有效地对抗所述折叠自行车500在踩踏时造成的扭力和弯曲力，让所述上管组件10保持坚固，同时可防止所述第二铰链锁扣16在骑行时意外打开。
请参阅图16，折叠自行车时，所述把手17推动所述第一连接杆181和所述第二连接杆191，带动所述第一锁扣连接件140与所述第二锁扣连接件150横向外推，使所述第一铰链锁扣14与所述第二铰链锁扣15同时解锁，可用一个连贯的动作使所述主车架100折叠。
请参阅图17，所述折叠自行车500完成折叠后，所述前车轮300的车轴与所述后车轮400的车轴同轴设置，使得所述折叠自行车500能够向前转动，方便搬运与携带。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；在本申请的思路下，以上实施例或者不同实施例中的技术特征之间也可以进行组合，步骤可以以任意顺序实现，并存在如上所述的本申请的不同方面的 许多其它变化，为了简明，它们没有在细节中提供；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (19)

  1. 一种用于折叠自行车的主车架，其特征在于，包括：
    连接管件；
    上管件，所述上管件安装于所述连接管件，所述连接管件可相对于所述上管件展开或者折叠；
    下管，所述下管安装于所述上管件，所述下管可相对于所述上管件展开或者折叠；
    第一铰链锁扣，安装于所述上管件，所述第一铰链锁扣用于在所述连接管件相对于所述上管件展开时锁定所述连接管件；
    第二铰链锁扣，安装于所述上管件，所述第二铰链锁扣用于在所述下管相对于所述上管件展开时锁定所述下管；以及
    把手，连接所述第一铰链锁扣与所述第二铰链锁扣；当所述第一铰链锁扣锁定所述连接管件，并且所述第二铰链锁扣锁定所述下管时，所述把手用于驱动所述第一铰链锁扣与所述第二铰链锁扣均解锁，使得所述连接管件与所述下管均可相对于所述上管件折叠。
  2. 根据权利要求1所述的主车架，其特征在于，所述第一铰链锁扣包括第一锁扣传动件，第一锁扣主体和第一锁扣连接件；
    所述第一锁扣连接件连接于所述第一锁扣传动件与所述第一锁扣主体之间，所述第一锁扣传动件可绕所述第一锁扣连接件转动，所述第一锁扣主体可绕所述第一锁扣连接件转动；
    所述第一锁扣主体设有第一限位块；
    所述连接管件设有第一收容槽，所述第一收容槽用于收容所述第一锁扣主体，所述第一收容槽的槽底设有第一限位槽，所述第一铰链锁扣锁紧时，所述第一限位块收容于所述第一限位槽。
  3. 根据权利要求2所述的主车架，其特征在于，所述上管件设有第二收容槽；
    所述第一收容槽与所述第二收容槽连通；
    所述第二收容槽用于收容所述第一锁扣传动件。
  4. 根据权利要求1所述的主车架，其特征在于，所述第二铰链锁扣包括第二锁扣传动件，第二锁扣主体和第二锁扣连接件；
    所述第二锁扣连接件连接于所述第二锁扣传动件与所述第二锁扣主体之间，所述第二锁扣传动件可绕所述第二锁扣连接件转动，所述第二锁扣主体可绕所述第二锁扣连接件转动；
    所述第二锁扣主体设有第二限位块；
    所述下管设有第三收容槽，所述第三收容槽用于收容所述第二锁扣主体；
    所述第三收容槽的槽底设有第二限位槽，所述第二铰链锁扣锁紧时，所述第二限位块收容于所述第二限位槽。
  5. 根据权利要求4所述的主车架，其特征在于，所述下管设有第四收容槽；
    所述第三收容槽与所述第四收容槽连通；
    所述第四收容槽用于收容所述第二锁扣传动件。
  6. 根据权利要求1所述的主车架，其特征在于，还包括第一铰链组件和第二铰链组件；
    所述第一铰链组件连接于所述连接管件与所述上管件之间，使得所述连接管件可相对于所述上管件转动；
    所述第二铰链组件连接于所述下管与所述上管件之间，使得所述下管可相对于所述上管件转动；
    所述第一铰链组件和第二铰链组件分别位于所述上管件的相对两侧；
    所述第一铰链锁扣与所述第二铰链锁扣分别位于所述上管件的相对两侧；
    所述第一铰链组件和所述第一铰链锁扣分别位于所述上管件的相对两侧。
  7. 根据权利要求6所述的主车架，其特征在于，所述第一铰链组件的一端安装于所述连接管件，所述第一铰链组件的另一端安装于所述上管件，所述第一铰链组件可相对于所述连接管件转动，并且所述第一铰链组件可相对于所述上管件转动。
  8. 根据权利要求7所述的主车架，其特征在于，所述连接管件与所述上管件连接处开设有第一容纳槽，所述第一容纳槽用于收容所述第一铰链组件。
  9. 根据权利要求8所述的主车架，其特征在于，所述第一铰链组件包括第一前轴，第一后轴和第一铰链连接件；
    所述第一前轴连接于所述连接管件与所述第一铰链连接件之间，所述第一 后轴连接于所述第一铰链连接件与所述上管件之间；
    所述第一前轴与所述第一后轴平行设置，所述第一前轴的轴心与所述第一后轴的轴心的距离不小于轴心嵌入所述连接管件与所述上管件的深度。
  10. 根据权利要求9所述的主车架，其特征在于，所述第二铰链组件的一端安装于所述上管件，所述第二铰链组件的另一端安装于所述下管，所述第二铰链组件可相对于所述上管件转动，并且所述第二铰链组件可相对于所述下管转动。
  11. 根据权利要求10所述的主车架，其特征在于，所述上管件与所述下管连接处开设有第二容纳槽，所述第二容纳槽用于收容所述第二铰链组件。
  12. 根据权利要求11所述的主车架，其特征在于，所述第二铰链组件包括第二前轴，第二后轴和第二铰链连接件；
    所述第二前轴连接于所述上管件与所述第二铰链连接件之间，所述第二后轴连接于所述第二铰链连接件与所述下管之间；
    所述第二前轴和所述第二后轴平行设置，所述第二前轴的轴心与所述第二后轴的轴心的距离不小于轴心嵌入所述上管件与所述下管的深度。
  13. 根据权利要求12所述的主车架，其特征在于，在所述折叠自行车打开并且放置于一水平面时，所述第一前轴和所述第一后轴位于一个竖直面，所述第二前轴和所述第二后轴位于另一个竖直面；
    所述第一前轴与所述第二前轴之间呈预设夹角，可使得所述折叠自行车折叠后前车轮的轮轴和后车轮的轮轴对齐。
  14. 根据权利要求1至13任一项所述的主车架，其特征在于，还包括第一驱动装置与第二驱动装置；
    所述把手分别与所述第一驱动装置和所述第二驱动装置连接；
    所述第一驱动装置与所述第一铰链锁扣连接；
    所述第二驱动装置与所述第二铰链锁扣连接；
    当按动所述把手时，可使所述第一驱动装置驱动所述第一铰链锁扣解锁，同时可使所述第二驱动装置驱动所述第二铰链锁扣解锁。
  15. 根据权利要求14所述的主车架，其特征在于，
    所述第一驱动装置包括第一推动件和第一连接杆；
    所述第一推动件包括推杆和斜块；
    所述推杆与所述第一铰链锁扣抵接，所述第一推动件可沿所述推杆的轴心方向移动；
    所述第一连接杆一端与所述把手连接，所述第一连接杆上套设有第一连接杆弹簧，所述第一连接杆另一端设有斜面，所述第一连接杆的斜面与所述第一推动件上的斜块接触；
    所述主车架折叠时，按动所述把手推动所述第一连接杆向上移动，所述第一连接杆推动所述第一推动件向所述上管件的外侧方向移动，所述第一推动件将所述第一铰链锁扣推开，完成所述第一铰链锁扣的解锁。
  16. 根据权利要求15所述的主车架，其特征在于，
    所述把手朝向所述上管件的表面的两端均设有斜面；
    所述第一驱动装置包括第一门锁和第一门锁连接件；
    所述第一门锁上安装第一门锁弹簧；
    所述第一门锁连接件安装第一门锁连接件弹簧，所述第一门锁与所述第一门锁连接件接触面为斜面；
    所述主车架折叠时，所述连接管件解除对所述第一门锁连接件的按压，所述第一门锁连接件弹簧推动所述第一门锁连接件向前移动，所述第一门锁连接件解除对所述第一门锁的按压，所述第一门锁弹簧推动所述第一门锁向下移动；
    所述上管件内设有第一移动槽，所述第一移动槽沿所述上管件的轴向设置，所述第一移动槽内壁由后端向前端逐渐缩小；
    所述第一移动槽内安装有第一金属栓，所述第一金属栓一端装有第一金属栓弹簧，所述第一金属栓与所述把手一端的斜面连接，所述第一金属栓弹簧一端顶住所述第一金属栓，所述第一金属栓弹簧另一端安装于所述第一移动槽内壁，所述第一金属栓弹簧用于推动所述第一金属栓抵靠所述连接管件；
    所述第一金属栓上开设卡槽，所述第一门锁弹簧可推动所述第一门锁向下移动，使得所述第一门锁落入所述第一金属栓上开设的卡槽，可阻止所述第一金属栓复位。
  17. 根据权利要求16所述的主车架，其特征在于，
    所述第二驱动装置包括第二推动件和第二连接杆；
    所述第二推动件包括推杆和斜块，所述第二推动件的推杆与所述第二铰链锁扣抵接，所述第二推动件可沿其推杆的轴心方向移动；
    所述第二连接杆一端与所述把手一端连接，所述第二连接杆上套设有第二连接杆弹簧，所述第二连接杆另一端设有斜面，所述第二连接杆的斜面与所述第二推动件上的斜块接触；
    所述主车架折叠时，按动所述把手推动所述第二连接杆向上移动，所述第二连接杆推动所述第二推动件向所述上管件的外侧方向移动，所述第二推动件将所述第二铰链锁扣推开，完成所述第二铰链锁扣的解锁。
  18. 根据权利要求17所述的主车架，其特征在于，
    所述第二驱动装置包括第二门锁和第二门锁连接件；
    所述第二门锁上安装第二门锁弹簧；
    所述第二门锁连接件安装第二门锁连接件弹簧，所述第二门锁与所述第二门锁连接件接触面为斜面；
    所述主车架折叠时，所述下管解除对所述第二门锁连接件的按压，所述第二门锁连接件弹簧推动所述第二门锁连接件向后移动，所述第二门锁连接件解除对所述第二门锁的按压，所述第二门锁弹簧推动所述第二门锁向下移动；
    所述上管件内设有第二移动槽，所述第二移动槽沿所述上管件的轴向设置，所述第二移动槽内壁由前端向后端逐渐缩小；
    所述第二移动槽内安装有第二金属栓，所述第二金属栓一端装有第二金属栓弹簧，所述第二金属栓与所述把手一端的斜面连接；
    所述第二金属栓弹簧一端顶住所述第二金属栓，所述第二金属栓弹簧另一端安装于所述第二移动槽内壁，所述第二金属栓弹簧用于推动所述第二金属栓抵靠所述下管；
    所述第二金属栓上开设卡槽，所述第二门锁弹簧可推动所述第二门锁向下移动，使得所述第二门锁落入所述第二金属栓上开设的卡槽，可阻止所述第二金属栓复位。
  19. 一种折叠自行车，其特征在于，包括：如权利要求1至18任一项所述的主车架，前车架，前车轮和后车轮；
    所述主车架与所述前车架连接；
    所述前车轮安装在所述前车架上；
    所述后车轮安装在所述主车架上。
PCT/CN2019/107836 2018-09-26 2019-09-25 用于折叠自行车的主车架及折叠自行车 WO2020063670A1 (zh)

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