WO2018014843A1 - 折叠车的折叠驱动机构 - Google Patents

折叠车的折叠驱动机构 Download PDF

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Publication number
WO2018014843A1
WO2018014843A1 PCT/CN2017/093499 CN2017093499W WO2018014843A1 WO 2018014843 A1 WO2018014843 A1 WO 2018014843A1 CN 2017093499 W CN2017093499 W CN 2017093499W WO 2018014843 A1 WO2018014843 A1 WO 2018014843A1
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WO
WIPO (PCT)
Prior art keywords
folding
rod
drive mechanism
hook
rear frame
Prior art date
Application number
PCT/CN2017/093499
Other languages
English (en)
French (fr)
Inventor
张钊
Original Assignee
东莞威信运动用品有限公司
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 东莞威信运动用品有限公司 filed Critical 东莞威信运动用品有限公司
Priority to GB1820679.7A priority Critical patent/GB2565963B/en
Priority to EP17830477.0A priority patent/EP3489122B1/en
Priority to ES17830477T priority patent/ES2874764T3/es
Priority to US16/311,468 priority patent/US10773767B2/en
Publication of WO2018014843A1 publication Critical patent/WO2018014843A1/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
    • 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
    • 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
    • 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
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/003—Cycles with four or more wheels, specially adapted for disabled riders, e.g. personal mobility type vehicles with four wheels
    • B62K5/007—Cycles with four or more wheels, specially adapted for disabled riders, e.g. personal mobility type vehicles with four wheels power-driven
    • 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
    • B62K2015/001—Frames adapted to be easily dismantled

Definitions

  • the present application relates to a folding bicycle, and more particularly to a folding drive mechanism that is fast and convenient to fold.
  • the existing folding electric vehicles are generally manually folded, but the existing folding method is usually to operate and fold a plurality of mechanisms, the folding step is cumbersome, the folding speed is slow, and the use is inconvenient; and, for the inconvenient movement
  • manual folding takes a lot of time and effort, so it is inconvenient for those who are inconvenient or physically disabled.
  • the purpose of the present application is to provide a folding drive mechanism for folding a fast and convenient folding vehicle.
  • the folding driving mechanism of the folding bicycle is disposed between the front frame and the rear frame of the folding bicycle, the front frame is pivotally connected to the rear frame, and the folding driving mechanism includes a drive rod and a pull rod, the drive rod is pivotally connected to the rear frame through a middle shaft, one end of the pull rod is pivotally connected to the front frame, and the other end of the pull rod is connected with the drive rod, and the drive base
  • the driving rod swings the driving rod to drive the pulling rod, thereby driving the front frame to rotate and fold relative to the rear frame.
  • the present application pivotally connects the driving rod to the rear frame by providing the driving rod and the pulling rod, and the driving rod is connected with the pulling rod, and the pulling rod is further Pivoting to the front frame, so that the driving rod can be driven to achieve the purpose of pulling the pull rod.
  • the front frame is pivotally connected to the rear frame, the pull rod can pull the front The frame is moved closer to the rear frame, thereby realizing the folding frame.
  • the whole mechanism has a simple structure, simplifies the steps of folding or unfolding, and the folding is fast, thereby effectively improving the convenience of use.
  • the folding drive mechanism further includes a first hook; the other end of the pull rod is provided with a first An elongated hole, the first shaft pin of the lower end of the driving rod is slidingly inserted into the first elongated hole; the first hook is pivotally connected to the front frame, and the other end is fastened to the rear frame a middle shaft of the driving rod, the second shaft pin abuts against the first hook; before the folding, the driving rod swings to cause the second shaft pin to push the first
  • the hook is first disengaged from the rear frame, and then the rear frame of the front frame can be relatively folded.
  • the lever is pivotally connected to the front frame by pivoting the drive rod to the front frame, and the first elongated hole is disposed at the other end of the pull rod, and the first shaft pin of the lower end of the drive rod is inserted
  • the first hook is fastened to the rear frame, and then the second pivot pin on the driving rod is abutted against the first hook, thereby enabling
  • the front frame is in a locked state when the rear frame is unfolded; and before the folding, the driving rod is swung to push the first hook out of the rear frame to realize the front vehicle
  • the frame and the rear frame are unlocked, and the driving rod continues to swing to fold the front frame relative to the rear frame through the pull rod, so that the entire folding frame has a simple structure, and only needs to drive the
  • the drive rod can be folded quickly and completely folded or unfolded, which is very convenient to use.
  • the folding drive mechanism further includes a first tension spring, and the first tension spring is disposed between the front frame and the first hook. Setting the first tension spring may automatically lock the first hook with the rear frame when the front frame is fully deployed relative to the rear frame, preventing the front frame and the rear frame Accidental folding, improve the safety of use.
  • the folding drive mechanism further includes a second hook, the second hook is pivotally connected to the front frame, and after the folding, the second hook is fastened to the rear frame.
  • the second hook may be fastened to the rear frame after the front frame and the rear frame are folded, thereby locking the front frame and the rear frame in a folded state.
  • the folding drive mechanism further includes a linkage assembly that drives the second hook to be snapped or unfastened to the rear frame.
  • the linkage assembly includes an actuation lever and a connecting rod
  • the actuation lever is pivotally connected to the front frame
  • two ends of the connecting rod are respectively pivotally connected to the actuation lever and the second hook a middle portion
  • the lower end of the driving rod is provided with a touch portion
  • the touch portion drives the touch rod before the folding frame is deployed, so that the touch rod pushes the second hook out through the connecting rod
  • the rear frame By providing the touch portion on the driving rod, and using the joint action of the touch rod and the connecting rod, the In the early stage of the swinging, the driving rod firstly touches the second hook through the touch portion to disengage the rear frame, thereby unlocking the front frame and the rear frame before unfolding.
  • the linkage assembly further includes a second tension spring disposed between the front frame and the link to automatically buckle the second hook Frame. Providing the second tension spring to automatically lock the second hook to the rear frame when the front frame is completely folded relative to the rear frame, preventing the front frame and the rear vehicle The rack unfolds unexpectedly.
  • the folding drive mechanism further includes an automatic driving assembly
  • the automatic driving assembly includes an electric push rod and a push shaft
  • a rear end of the electric push rod is pivotally connected to the rear frame
  • the push shaft is fixed At the telescopic end of the electric push rod, the end of the push shaft drives the drive rod to swing.
  • the drive rod can be automatically oscillated at the time of folding or unfolding, thereby realizing automatic folding or unfolding, and the use is very convenient.
  • the folding drive mechanism further includes a manual driving assembly including an operating rod and a locking member, the middle portion of the operating rod is provided with a second elongated hole, and the second elongated hole is sleeved in the a middle shaft, a lower end of the operating rod has a locking pin, the driving rod is provided with a third elongated hole, the locking pin is inserted into the third elongated hole; the locking member passes through the central shaft
  • the lower frame of the locking member is pivotally connected to the push shaft, and the lower end of the locking member is provided with a snap recess, and the snap recess is engaged with the locking pin.
  • a third tension spring is disposed between the locking pin and the central shaft to keep the locking pin engaged with the fastening recess.
  • the third tension spring can automatically engage the locking pin in the fastening recess, thereby ensuring that the automatic driving component can drive the driving rod in a normal state to realize automatic folding.
  • FIG. 1 is a schematic structural view of the folding frame of the present application when fully deployed.
  • Figure 2 is an enlarged view of a portion A of Figure 1.
  • Figure 3 is an exploded view of the folding drive mechanism of the folding frame of the present application.
  • FIG. 4 is a schematic structural view of the folding frame of the present application when it is half folded.
  • Figure 5 is an enlarged view of a portion B of Figure 4.
  • Figure 6 is a schematic view of the folding frame of the present application after it has been completely folded.
  • Figure 7 is an enlarged view of a portion C of Figure 6.
  • Figure 8 is a schematic view of another angle after the folding frame of the present application is completely folded.
  • the folding frame 100 of the present application includes a front frame 110 , a rear frame 120 and a folding drive mechanism 130 .
  • the front frame 110 is pivotally connected to the rear frame 120 , and the folding drive mechanism 130 is pivoted. It is disposed between the front frame 110 and the rear frame 120.
  • the front frame 110 includes a front cross member 110a, a front pole 110b, and a front cross rail 110c.
  • the rear end of the front cross member 110a is pivotally connected to the front end of the rear frame 120.
  • the front end of the front cross member 110a is
  • the front cross member 110c is pivotally connected to the front cross member 110a.
  • the front end of the front rod 110b is pivotally connected to the front cross rail 110c.
  • the front cross member 110a has a mounting body 110d.
  • the structures of the front frame 110 and the rear frame 120 are both bilaterally symmetrical. Therefore, the folding drive mechanism 130 is disposed on opposite inner sides of the folding frame 100.
  • the folding drive mechanism 130 includes a driving rod 1, a pull rod 2, a first hook 3 and a first tension spring 4; the driving rod 1 is pivotally connected to the rear vehicle through a center shaft 120a.
  • a frame 120 one end of the pull rod 2 is pivotally connected to the mounting frame body 110d, the pivot point is a, the other end of the pull rod 2 is provided with a first elongated hole 21, and the first end of the driving rod 1 is first
  • the first pin 3 is pivotally connected to the first elongated hole 21;
  • the first hook 3 is pivotally connected to the mounting body 110d, and the pivot point is a, and the central axis is pivotally connected to the pull rod 2,
  • the other end of the first hook 3 is fastened to the rear frame 120, specifically to the middle shaft 120a;
  • the middle of the driving rod 1 has a second shaft pin 12, the middle of the first hook 3 Extending out of the top portion 31, the second shaft pin 12 abuts against the abutting top portion 31; the first tension spring
  • the folding drive mechanism 130 further includes the second hook 9 , and driving the second hook 9 to be buckled or unfastened to the rear frame 120 .
  • the second hook 9 is pivotally connected to the mounting body 110d, and the pivot point is b. After the folding, the second hook 9 can be fastened to the rear frame 120, thereby The front frame 110 and the rear frame 120 are locked in a folded state; specifically, the rear frame 120 of the present application has a seat folding bracket 8 , and the seat folding bracket 8 is provided with a linkage rod 81 .
  • the engaging rod 81 is provided with a fastening portion 81a that is engaged with the second hook 9 .
  • the second hook 9 is fastened to the fastening portion 81 a and fastened to the rear frame 120 .
  • the effect is the same.
  • the linkage assembly 5 includes an actuation lever 51, a connecting rod 52 and a second tension spring 53.
  • the actuation lever 51 has a bent structure, and the actuation lever 51 is pivotally connected to the mounting body 110d, and the pivoting point is a.
  • the pivoting shaft is pivotally connected to the central shaft; the two ends of the connecting rod 52 are respectively pivotally connected to the middle of the actuating lever 51 and the second hook 9, and the pivoting points are c, d, the driving rod
  • the lower end of the 1 is bently provided with a touch portion 13; before the folding frame 100 is deployed, the touch portion 13 drives the touch lever 51 by the action of abutting, so that the touch lever 51 passes through the connection
  • the rod 52 pushes the second hook 9 out of the rear frame 120.
  • the second tension spring 53 is disposed between the front frame 110 and the connecting rod 52, so that the second hook 9 is automatically folded after the front frame 110 is folded relative to the rear frame 120. Fastened to the rear frame 120.
  • the drive rod 1 can be first passed through the touch portion 13 in the early stage of the swing.
  • the second hook 9 is activated to be disengaged from the rear frame 120, thereby unlocking the front frame 110 and the rear frame 120 before deployment.
  • the second tension spring 53 can be configured to automatically lock the second hook 9 with the rear frame 120 when the front frame 110 is completely folded relative to the rear frame 120, preventing the front vehicle The frame 110 and the rear frame 120 are accidentally deployed.
  • the folding drive mechanism 130 further includes an automatic drive assembly 6 and a manual drive assembly 7, the automatic drive assembly 6 including an electric push rod 61 and a push shaft 62, the electric push rod 61
  • the rear end is pivotally connected to the rear frame 120, and the push shaft 62 is fixed to the telescopic end of the electric push rod 61.
  • Both ends of the push shaft 62 simultaneously drive the driving rods 1 on both sides to swing.
  • the manual driving assembly 7 includes an operating rod 71 and a locking member 72.
  • the middle portion of the operating rod 71 is provided with a second elongated hole 71a, and the second elongated hole 71a is sleeved in the a middle shaft 120a, the lower end of the operating rod 71 has a locking pin 71b, the driving rod 1 is provided with a third elongated hole 14, the locking pin 71b is inserted into the third elongated hole 14;
  • the member 72 is pivotally connected to the rear frame 120 through the central shaft 120a and connected to the push shaft 62.
  • the lower end of the locking member 72 is provided with a snap recess 72a, and the snap recess 72a and the lock
  • the pin 71b is fastened.
  • the manual drive assembly 7 further includes a third tension spring 73 disposed between the locking pin 71b and the center shaft 120a to keep the locking pin 71b engaged with the The recess 72a is engaged.
  • a third tension spring 73 can automatically engage the locking pin 71b in the fastening recess 72a, thereby ensuring that the automatic driving assembly 6 can drive the driving rod 1 under normal conditions to realize automatic folding.
  • the front cross member 110a and the rear frame 120 are both in a substantially horizontal state.
  • the telescopic end of the electric push rod 61 is in an extended state, and the driving rod is in a state of being extended.
  • a first axle pin 11 of 1 is located at an upper end of the first elongated hole 21, and the locking pin 71b is located at an upper end of the second elongated hole 71a and is engaged with the fastening recess 72a;
  • a hook 3 is fastened to the center shaft 120a to lock the relative positions of the front frame 110 and the rear frame 120.
  • the electric push rod 61 is activated to contract the telescopic end of the electric push rod 61, and the telescopic end of the electric push rod 61 drives the push shaft 62 to move.
  • the end of the push shaft 62 drives the lower end of the drive rod 1 to swing around the central shaft 120a through the locking member 72 and the locking pin 71b; at the beginning of the swing of the drive rod 1 for a period of time, due to the first
  • the shaft pin 11 slides from the upper end to the lower end of the first elongated hole 21, so that during this time, the driving rod 1 does not drive the rod 2 to move, but the driving rod 1
  • the second axle pin 12 moves downward with the driving rod 1 at the beginning, so that the second axle pin 12 pushes the abutting top 31 of the first hook 3 downward, so that the first hook 3 is disengaged from the central axis 120a.
  • the first hook 3 is completely disengaged from the central shaft 120a, and at this time, the driving rod 1 continues to swing to drive the The pull rod 2 moves, and the movement of the pull rod 2 drives the front frame 110 Around its pivotal center with the rear frame 120, the front frame 110 is brought closer to the rear frame 120, and finally fully folded.
  • the second hook 9 is fastened to the fastening portion 81a by the second tension spring 53 so that the The folding frame 100 is locked in a folded state.
  • the electric push rod 61 When the folding frame 100 needs to be unfolded, the electric push rod 61 is activated, and the telescopic end of the electric push rod 61 is extended to drive the push shaft 62 to move, and the end of the push shaft 62 passes through
  • the locking member 72 and the locking pin 71b drive the driving rod 1 to swing; at the beginning of the swinging of the driving rod 1, the first shaft pin 11 slides the upper end from the lower end of the first elongated hole 21, Therefore, during this period, the drive rod 1 does not drive the pull rod 2 to move, but the touch portion 13 of the drive rod 1 pushes the touch rod 51 at the beginning, and thus, the touch portion 13 will drive the touch lever 51 to swing, the touch lever 51 swings to drive the link 52 to swing, and the link 52 swings to overcome the elastic force of the second tension spring 53 to drive the second hook 9 It is separated from the engaging portion 81a.
  • the first shaft pin 11 reaches the upper end of the first elongated hole 21, and the second hook 9 is completely disengaged from the engaging portion 81a.
  • the driving rod 1 continues to swing to drive the rod 2 to move.
  • the movement of the pull rod 2 drives the front frame 110 to rotate around the pivotal center of the rear frame 120, thereby moving the front frame 110 away from the rear frame 120, and finally reaching a fully deployed position. a state in which the first hook 3 is automatically engaged with the center shaft 120a by the first spring when the folding frame 100 is fully deployed, thereby locking the folding frame 100 to the unfolding status.
  • the operating lever 71 When it is necessary to manually fold or unfold the folding frame 100, it is only necessary to press the operating lever 71 to slide the operating lever 71, at this time, in the second elongated hole 71a and the central axis. Under the guiding action of 120a, the locking pin 71b on the operating lever 71 slides from one end of the third elongated hole 14 to the other end and is disengaged from the engaging recess 72a, so that the driving lever 1 is disengaged from the locking
  • the limitation of the member 72 is such that the driving rod 1 is not driven by the electric push rod 61.
  • the driving rod 1 can be manually swung to realize folding or unfolding of the folding frame 100;
  • the principle of manually folding or unfolding the folding frame 100 is the same as that of automatically folding or unfolding the folding frame 100. , will not be described in detail here.
  • the present application pivotally connects the driving rod 1 to the rear frame 120, pivotally connects the pull rod 2 to the front frame 110, and provides a first elongated hole 21 at the other end of the pulling rod 2, From making the drive
  • the first shaft pin 11 of the lower end of the rod 1 is inserted therein; in addition, by providing the first hook 3, the first hook 3 is fastened to the rear frame 120, and then the driving rod 1 is The second axle pin 12 abuts against the first hook 3, so that the front frame 110 can be locked when the rear frame 120 is deployed; and the drive lever can be made before folding 1 swinging and pushing the first hook 3 out of the rear frame 120 to unlock the front frame 110 and the rear frame 120, and the driving rod 1 continues to swing to pass through the rod 2
  • the front frame 110 is folded relative to the rear frame 120. Therefore, the entire folding frame 100 only needs to drive the driving rod 1 to quickly fold, completely fold or unfold, and has fewer folding steps, simple operation, and is convenient to use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motorcycle And Bicycle Frame (AREA)

Abstract

一种折叠车的折叠驱动机构（130），其设置于折叠车的前车架（110）及后车架（120）之间，所述前车架（110）与所述后车架（120）枢接，所述折叠驱动机构（130）包括驱动杆（1）及拉杆（2），所述驱动杆（1）通过中轴（120a）枢接于所述后车架（120），所述拉杆（2）的一端枢接于所述前车架（110），所述拉杆（2）的另一端与所述驱动杆（1）连接，驱动所述驱动杆（1），使所述驱动杆（1）摆动而带动所述拉杆（2），进而驱动所述前车架（110）相对所述后车架（120）转动收折，该折叠车具有收折快速、方便的优点。

Description

折叠车的折叠驱动机构 技术领域
本申请涉及一种折叠车，尤其涉及一种收折快速、方便的折叠驱动机构。
背景技术
现有的折叠式电动车的一般都是手动折叠，但是现有的折叠方式通常是对多个机构进行操作收折，其折叠步骤烦琐，折叠速度慢，使用较为不便；并且，对于行动不便的人来说，手动折叠需要耗费较大的时间及力气，因此，在一定程度上给这些行动不便或肢体残缺的人带来不便。
申请内容
本申请的目的在于提供的一种收折快速、方便的折叠车的折叠驱动机构。
为了实现上述目的，本申请提供的折叠车的折叠驱动机构设置于折叠车的前车架及后车架之间，所述前车架与所述后车架枢接，所述折叠驱动机构包括驱动杆及拉杆，所述驱动杆通过中轴枢接于所述后车架，所述拉杆的一端枢接于所述前车架，所述拉杆的另一端与所述驱动杆连接，驱动所述驱动杆，使所述驱动杆摆动而带动所述拉杆，进而驱动所述前车架相对所述后车架转动收折。
与现有技术相比，本申请通过设置所述驱动杆及所述拉杆，使所述驱动杆枢接于后车架上，且所述驱动杆与所述拉杆连接，而又使所述拉杆枢接于所述前车架，从而可以驱动所述驱动杆达到拉动所述拉杆的目的，由于所述前车架与所述后车架枢接，因此，所述拉杆又可拉动所述前车架向所述后车架靠拢，进而实现收折车架，整个机构结构简单，简化了收折或展开的步骤，收折快速，有效提高使用的便利性。
较佳地，所述折叠驱动机构还包括第一挂钩；所述拉杆的另一端设有第一 长形孔，所述驱动杆下端的第一轴销滑动地插接于所述第一长形孔；所述第一挂钩枢接于所述前车架，另一端扣于所述后车架；所述驱动杆中部具有第二轴销，所述第二轴销抵顶于所述第一挂钩；收折前，所述驱动杆摆动，以使所述第二轴销推动所述第一挂钩先脱离所述后车架，然后使所述前车架所述后车架能相对收折。通过将驱动杆枢接于后车架，将拉杆枢接于前车架，并且在所述拉杆的另一端设置第一长形孔，从使所述驱动杆的下端的第一轴销插接于其中；另外，通过设置第一挂钩，使所述第一挂钩扣合于所述后车架，再使所述驱动杆上的第二轴销与所述第一挂钩抵顶，从而可以使所述前车架相对所述后车架展开时达到锁定状态；而在收折前，又可使所述驱动杆摆动而顶推所述第一挂钩脱离所述后车架，实现对前车架及后车架的解锁，并且所述驱动杆继续摆动即可通过所述拉杆将所述前车架相对所述后车架收折，因此，整个折叠车架结构简单，只需驱动所述驱动杆即可收折快速，完全地收折或展开，使用十分方便。
具体地，所述折叠驱动机构还包括第一拉簧，所述第一拉簧设置于所述前车架与所述第一挂钩之间。设置所述第一拉簧可以使所述第一挂钩在所述前车架相对所述后车架完全展开时自动与所述后车架锁定，防止所述前车架与所述后车架意外收折，提高使用的安全性。
较佳地，所述折叠驱动机构还包括第二挂钩，所述第二挂钩枢接于所述前车架，收折后，所述第二挂钩扣于所述后车架。所述第二挂钩可以在所述前车架与所述后车架收折后扣于所述后车架，从而将所述前车架及所述后车架锁定于收折状态。
具体地，所述折叠驱动机构还包括驱动所述第二挂钩扣合或解扣于所述后车架的连动组件。
更具体地，所述连动组件包括触动杆及连杆，所述触动杆枢接于所述前车架，所述连杆的两端分别枢接于所述触动杆及所述第二挂钩的中部，所述驱动杆的下端设有触动部，所述折叠车架展开前，所述触动部驱动所述触动杆，以使所述触动杆通过所述连杆推动所述第二挂钩脱离所述后车架。通过在所述驱动杆上设置所述触动部，再利用所述触动杆及连杆的联动作用，从而可以使所 述驱动杆在摆动的前期首先通过所述触动部对所述第二挂钩进行触动，使其脱离所述后车架，进而实现对所述前车架及后车架在展开前进行解锁。
更具体地，所述连动组件还包括第二拉簧，所述第二拉簧设置于所述前车架及所述连杆之间，以使所述第二挂钩自动扣于所述后车架。设置所述第二拉簧可以使所述第二挂钩在所述前车架相对所述后车架完全收折时自动与所述后车架锁定，防止所述前车架与所述后车架意外展开。
较佳地，所述折叠驱动机构还包括自动驱动组件，所述自动驱动组件包括电动推杆及推轴，所述电动推杆的后端枢接于所述后车架，所述推轴固定于所述电动推杆的伸缩端，所述推轴的端部驱动所述驱动杆摆动。通过所述电动推杆及及所述推轴，可以使所述驱动杆在收折时或展开时自动摆动，从而实现自动收折或展开，使用非常方便。
具体地，所述折叠驱动机构还包括手动驱动组件，所述手动驱动组件包括操作杆及锁定件，所述操作杆的中部设有第二长形孔，所述第二长形孔套于所述中轴，所述操作杆的下端具有锁定销，所述驱动杆设有第三长形孔，所述锁定销插接于所述第三长形孔；所述锁定件通过所述中轴枢接于所述后车架并与所述推轴连接，所述锁定件的下端设有扣合凹，所述扣合凹与所述锁定销扣合。通过设置所述操作杆，操作所述操作杆可以使所述锁定销脱离所述锁定件，从而使所述驱动杆脱离所述自动驱动组件的控制，实现手动驱动，从而达到手动收折或展开的目的。
具体地，所述锁定销与所述中轴之间设有第三拉簧，以使所述锁定销保持扣合于所述扣合凹。所述第三拉簧可以使所述锁定销自动卡合于所述扣合凹内，从而保证正常状态下所述自动驱动组件能驱动所述驱动杆，实现自动收折。
附图说明
图1是本申请折叠车架完全展开时的结构示意图。
图2是图1中A部分的放大图。
图3是本申请折叠车架中折叠驱动机构的分解图。
图4是本申请折叠车架半收折时的结构示意图。
图5是图4中B部分的放大图。
图6是本申请折叠车架完全收折后的示意图。
图7是图6中C部分的放大图。
图8是本申请折叠车架完全收折后的另一角度的示意图。
具体实施方式
为详细说明本申请的技术内容、构造特征、所实现的效果，以下结合实施方式并配合附图详予说明。
如图1所示，本申请折叠车架100包括前车架110、后车架120及折叠驱动机构130，所述前车架110与所述后车架120枢接，所述折叠驱动机构130设置于所述前车架110及所述后车架120之间。所述前车架110包括前横梁110a、前杆110b及车头横杆110c，所述前横梁110a的后端与所述后车架120的前端枢接，所述前横梁110a的前端与所述车头横杆110c枢接，所述前横梁110a上具有安装架体110d，所述前杆110b的前端与所述车头横杆110c枢接，所述前横梁110a具有安装架体110d。所述前车架110及后车架120的结构均为左右对称，因此，所述折叠驱动机构130设置于所述折叠车架100的两相对的内侧。
再请参阅图1至图3，所述折叠驱动机构130包括驱动杆1、拉杆2、第一挂钩3及第一拉簧4；所述驱动杆1通过中轴120a枢接于所述后车架120，所述拉杆2的一端枢接于所述安装架体110d上，枢接点为a，所述拉杆2的另一端设有第一长形孔21，所述驱动杆1下端的第一轴销11滑动地插接于所述第一长形孔21；所述第一挂钩3枢接于所述安装架体110d上，枢接点为a，与所述拉杆2同枢接中心轴，所述第一挂钩3的另一端扣于所述后车架120，具体是扣于所述中轴120a上；所述驱动杆1中部具有第二轴销12，所述第一挂钩3的中部延伸出一抵顶部31，所述第二轴销12抵顶于所述抵顶部31上；所述第一拉簧4设置于所述前车架110与所述第一挂钩3之间，并提供一拉力；所述第一拉簧4可以使所述第一挂钩3在所述前车架110相对所述后车架120完全展开时自动与所述中轴120a扣合，以达到与所述后车架120锁定的目的，防止所述前车架110与所述后车架120意外收折，提高使用的安全性。
结合图2及图3，请参阅图4至图7，所述折叠驱动机构130还包括所述第二挂钩9，以及驱动所述第二挂钩9扣合或解扣于所述后车架120的连动组件5，所述第二挂钩9枢接于所述安装架体110d，枢接点为b，在收折后，所述第二挂钩9可扣于所述后车架120，从而将所述前车架110及所述后车架120锁定于收折状态；具体地，本申请的后车架120具有座椅折叠支架8，所述座椅折叠支架8上设有一联动杆81，所述联动杆81上设有与所述第二挂钩9扣合的扣合部81a，所述第二挂钩9扣合于所述扣合部81a与扣合于所述后车架120上的效果是一样的。所述连动组件5包括触动杆51、连杆52及第二拉簧53；所述触动杆51呈弯折结构，所述触动杆51枢接于所述安装架体110d,枢接点为a，与所述拉杆2同枢接中心轴；所述连杆52的两端分别枢接于所述触动杆51及所述第二挂钩9的中部，枢接点为c、d，所述驱动杆1的下端弯折地设有触动部13；在所述折叠车架100展开前，所述触动部13通过抵顶的作用驱动所述触动杆51，以使所述触动杆51通过所述连杆52推动所述第二挂钩9脱离所述后车架120。所述第二拉簧53设置于所述前车架110及所述连杆52之间，以使所述第二挂钩9在所述前车架110相对所述后车架120收折后自动扣于所述后车架120。通过在所述驱动杆1上设置所述触动部13，再利用所述触动杆51及连杆52的联动作用，从而可以使所述驱动杆1在摆动的前期首先通过所述触动部13对所述第二挂钩9进行触动，使其脱离所述后车架120，进而实现对所述前车架110及后车架120在展开前进行解锁。而设置所述第二拉簧53可以使所述第二挂钩9在所述前车架110相对所述后车架120完全收折时自动与所述后车架120锁定，防止所述前车架110与所述后车架120意外展开。
再请参阅图1至图5，所述折叠驱动机构130还包括自动驱动组件6及手动驱动组件7，所述自动驱动组件6包括电动推杆61及推轴62，所述电动推杆61的后端枢接于所述后车架120，所述推轴62固定于所述电动推杆61的伸缩端，所述推轴62的两端分别同时驱动两侧的所述驱动杆1摆动。通过所述电动推杆61及所述推轴62，可以使所述驱动杆1在收折时或展开时自动摆动，从而实现自动收折或展开，使用非常方便。所述手动驱动组件7包括操作杆71及锁定件72，所述操作杆71的中部设有第二长形孔71a，所述第二长形孔71a套于所述 中轴120a，所述操作杆71的下端具有锁定销71b，所述驱动杆1设有第三长形孔14，所述锁定销71b插接于所述第三长形孔14；所述锁定件72通过所述中轴120a枢接于所述后车架120并与所述推轴62连接，所述锁定件72的下端设有扣合凹72a，所述扣合凹72a与所述锁定销71b扣合。所述手动驱动组件7还包括第三拉簧73，所述第三拉簧73设置于所述锁定销71b与所述中轴120a之间，以使所述锁定销71b保持扣合于所述扣合凹72a。通过设置所述操作杆71，操作所述操作杆71可以使所述锁定销71b脱离所述锁定件72，从而使所述驱动杆1脱离所述自动驱动组件6的控制，实现手动驱动，从而达到手动收折或展开的目的。所述第三拉簧73可以使所述锁定销71b自动卡合于所述扣合凹72a内，从而保证正常状态下所述自动驱动组件6能驱动所述驱动杆1，实现自动收折。
综合上述，并结合图1、图4图6及图8，下面对本申请折叠车架100的工作原理进行详细描述，如下：
所述折叠车架100在展开状态时，所述前横梁110a及所述后车架120均呈大致水平状态，这时，所述电动推杆61的伸缩端呈伸出状态，所述驱动杆1的第一轴销11位于所述第一长形孔21的上端，所述锁定销71b位于所述第二长形孔71a的上端且与所述扣合凹72a扣合；所述第一挂钩3扣于所述中轴120a上以锁定所述前车架110及所述后车架120的相对位置。
当自动收折所述折叠车架100时，启动所述电动推杆61，使所述电动推杆61的伸缩端收缩，所述电动推杆61的伸缩端带动所述推轴62移动，所述推轴62的端部通过所述锁定件72及锁定销71b带动所述驱动杆1的下端围绕所述中轴120a摆动；在所述驱动杆1摆动的开始一段时间，由于所述第一轴销11会从所述第一长形孔21的上端滑到下端，因此，在这段时间内，所述驱动杆1不会带动所述拉杆2移动，但是，所述驱动杆1上的第二轴销12在一开始便随所述驱动杆1向下运动，因此，所述第二轴销12会向下顶推所述第一挂钩3的抵顶部31，使所述第一挂钩3脱离所述中轴120a。当所述第一轴销11到达所述第一长形孔21的下端时，所述第一挂钩3则完全脱离所述中轴120a，这时，所述驱动杆1继续摆动而带动所述拉杆2移动，所述拉杆2移动则带动所述前车架110 围绕其与所述后车架120的枢接中心转动，进而使所述前车架110靠近所述后车架120，最后达到完全收折。当所述前车架110及所述后车架120相互完全收折时，所述第二挂钩9在所述第二拉簧53的作用下扣合于所述扣合部81a，从而使所述折叠车架100锁定于收折的状态。
当需要展开所述折叠车架100时，启动所述电动推杆61，所述电动推杆61的伸缩端伸出，从而带动所述推轴62移动，所述推轴62的端部通过所述锁定件72及锁定销71b带动所述驱动杆1摆动；在所述驱动杆1摆动的开始一段时间，由于所述第一轴销11从所述第一长形孔21的下端滑动上端，因此，在这段时内，所述驱动杆1不会带动所述拉杆2移动，但是所述驱动杆1的触动部13在一开始便顶推所述触动杆51，因而，所述触动部13会带动所述触动杆51摆动，所述触动杆51摆动带动所述连杆52摆动，所述连杆52摆动则克服所述第二拉簧53的弹性力而带动所述第二挂钩9脱离所述扣合部81a。所述第一轴销11到达所述第一长形孔21的上端，所述第二挂钩9则完全脱离所述扣合部81a，这时所述驱动杆1继续摆动带动所述拉杆2移动，所述拉杆2移动则带动所述前车架110围绕其与所述后车架120的枢接中心转动，进而使所述前车架110远离所述后车架120，最后达到完全展开的状态；当所述折叠车架100完全展开时，所述第一挂钩3在所述第一弹簧的作用下自动扣合于所述中轴120a上，从而使所述折叠车架100锁定于展开的状态。
当需要手动收折或展开所述折叠车架100时，只需要下压所述操作杆71，使所述操作杆71滑动，这时，在所述第二长形孔71a及所述中轴120a的导向作用下，所述操作杆71上的锁定销71b从所述第三长形孔14的一端滑到另一端并且脱离所述扣合凹72a，使得所述驱动杆1脱离所述锁定件72的限制，从而使所述驱动杆1不受所述电动推杆61的驱动，此时，即可手动摆动所述驱动杆1实现对所述折叠车架100的收折或展开；除上述使所述驱动杆1脱离所述电动推杆61的控制的步骤外，手动收折或展开所述折叠车架100的工作原理与自动收折或展开所述折叠车架100的工作原理相同，在此不再详细描述。
与现有技术相比，本申请通过将驱动杆1枢接于后车架120，将拉杆2枢接于前车架110，并且在所述拉杆2的另一端设置第一长形孔21，从使所述驱动 杆1的下端的第一轴销11插接于其中；另外，通过设置第一挂钩3，使所述第一挂钩3扣合于所述后车架120，再使所述驱动杆1上的第二轴销12与所述第一挂钩3抵顶，从而可以使所述前车架110相对所述后车架120展开时达到锁定状态；而在收折前，又可使所述驱动杆1摆动而顶推所述第一挂钩3脱离所述后车架120，实现对前车架110及后车架120的解锁，并且所述驱动杆1继续摆动即可通过所述拉杆2将所述前车架110相对所述后车架120收折。因此，整个折叠车架100只需驱动所述驱动杆1即可收折快速，完全地收折或展开，收折步骤少、操作简单，使用十分方便。
以上所揭露的仅为本申请的较佳实例而已，当然不能以此来限定本申请之权利范围，因此依本申请申请专利范围所作的等同变化，仍属于本申请所涵盖的范围。

Claims (10)

  1. 一种折叠车的折叠驱动机构，设置于折叠车的前车架及后车架之间，所述前车架与所述后车架枢接，其特征在于：包括驱动杆及拉杆，所述驱动杆通过中轴枢接于所述后车架，所述拉杆的一端枢接于所述前车架，所述拉杆的另一端与所述驱动杆连接，驱动所述驱动杆，使所述驱动杆摆动而带动所述拉杆，进而驱动所述前车架相对所述后车架转动收折。
  2. 如权利要求1所述的折叠车的折叠驱动机构，其特征在于：所述折叠驱动机构还包括第一挂钩；所述拉杆的另一端设有第一长形孔，所述驱动杆下端的第一轴销滑动地插接于所述第一长形孔；所述第一挂钩枢接于所述前车架，另一端扣于所述后车架；所述驱动杆中部具有第二轴销，所述第二轴销抵顶于所述第一挂钩；收折前，所述驱动杆摆动，以使所述第二轴销推动所述第一挂钩先脱离所述后车架，然后使所述前车架所述后车架能相对收折。
  3. 如权利要求2所述的折叠车的折叠驱动机构，其特征在于：所述折叠驱动机构还包括第一拉簧，所述第一拉簧设置于所述前车架与所述第一挂钩之间。
  4. 如权利要求1所述的折叠车的折叠驱动机构，其特征在于：所述折叠驱动机构还包括第二挂钩，所述第二挂钩枢接于所述前车架，收折后，所述第二挂钩扣于所述后车架。
  5. 如权利要求4所述的折叠车的折叠驱动机构，其特征在于：所述折叠驱动机构还包括驱动所述第二挂钩扣合或解扣于所述后车架的连动组件。
  6. 如权利要求5所述的折叠车的折叠驱动机构，其特征在于：所述连动组件包括触动杆及连杆，所述触动杆枢接于所述前车架，所述连杆的两端分别枢接于所述触动杆及所述第二挂钩的中部，所述驱动杆的下端设有触动部，所述折叠车 架展开前，所述触动部驱动所述触动杆，以使所述触动杆通过所述连杆推动所述第二挂钩脱离所述后车架。
  7. 如权利要求6所述的折叠车的折叠驱动机构，其特征在于：所述连动组件还包括第二拉簧，所述第二拉簧设置于所述前车架及所述连杆之间，以使所述第二挂钩自动扣于所述后车架。
  8. 如权利要求1所述的折叠车的折叠驱动机构，其特征在于：所述折叠驱动机构还包括自动驱动组件，所述自动驱动组件包括电动推杆及推轴，所述电动推杆的后端枢接于所述后车架，所述推轴固定于所述电动推杆的伸缩端，所述推轴的端部驱动所述驱动杆摆动。
  9. 如权利要求8所述的折叠车的折叠驱动机构，其特征在于：所述折叠驱动机构还包括手动驱动组件，所述手动驱动组件包括操作杆及锁定件，所述操作杆的中部设有第二长形孔，所述第二长形孔套于所述中轴，所述操作杆的下端具有锁定销，所述驱动杆设有第三长形孔，所述锁定销插接于所述第三长形孔；所述锁定件通过所述中轴枢接于所述后车架并与所述推轴连接，所述锁定件的下端设有扣合凹，所述扣合凹与所述锁定销扣合。
  10. 如权利要求9所述的折叠车的折叠驱动机构，其特征在于：所述锁定销与所述中轴之间设有第三拉簧，以使所述锁定销保持扣合于所述扣合凹。
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