WO2018120118A1 - 一种折叠机构及折叠滑板车 - Google Patents

一种折叠机构及折叠滑板车 Download PDF

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Publication number
WO2018120118A1
WO2018120118A1 PCT/CN2016/113729 CN2016113729W WO2018120118A1 WO 2018120118 A1 WO2018120118 A1 WO 2018120118A1 CN 2016113729 W CN2016113729 W CN 2016113729W WO 2018120118 A1 WO2018120118 A1 WO 2018120118A1
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WO
WIPO (PCT)
Prior art keywords
folding
connecting portion
rotating
tension
plate
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PCT/CN2016/113729
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English (en)
French (fr)
Inventor
任彪
肖智
苏江华
朱孙勇
Original Assignee
深圳市智盛富科技有限公司
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Priority to PCT/CN2016/113729 priority Critical patent/WO2018120118A1/zh
Publication of WO2018120118A1 publication Critical patent/WO2018120118A1/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

Definitions

  • the utility model relates to a folding mechanism and a folding scooter.
  • Electric scooters came into being. Electric scooters have become more and more popular with people because of their great portability and ease of use. Especially young people have become the common use in people's daily life. tool. Among them, the foldable electric scooter has been favored by more and more people because of its small size, light weight and convenient carrying.
  • a typical foldable electric scooter mainly includes a pedal as a vehicle body, a rear wheel disposed at the rear of the pedal, a faucet mechanism for controlling the direction, a front wheel disposed on the faucet mechanism, and a folding mechanism connecting the faucet mechanism and the pedal.
  • the folding scooter Since the scooter requires a certain speed for long-term driving, this places high demands on the stability of the unfolded electric folding scooter to ensure the reliability and safety of the scooter. Furthermore, the folding scooter is divided into two parts, a pedal and a faucet mechanism, and the folding mechanism is folded between the two, whereby the reliability of the folding mechanism directly affects the reliability of the entire scooter.
  • the folding mechanism needs to be frequently operated, so the convenience of the operation of the folding mechanism will affect the convenience of use of the entire foldable electric scooter.
  • the existing folding scooter has a wide variety of folding mechanisms, but it is necessary to manually fold the faucet mechanism and the pedal portion. These folding mechanisms only have the function of folding and fixing. Automatic folding is not possible.
  • the utility model provides a folding mechanism and a folding scooter, which aims to realize automatic folding and labor saving.
  • a folding mechanism which can be in an unfolded state and a folded state, including:
  • Rotating the folding portion being rotatably connected to the first connecting portion and being rotatable relative to the first connecting portion;
  • a tensioning mechanism capable of generating tension along its length and capable of stretching
  • a locking mechanism for locking the first connecting portion and the rotating folding portion to prevent rotation
  • first end of the tension mechanism is rotatably coupled to the front end of the first connecting portion along the tension direction, and the second end is rotatably coupled to the rotating folded portion;
  • first rotation point of the second end and the rotating folding portion is located between the second rotation point of the first end and the first connecting portion and the third rotation point of the first connecting portion and the rotating folding portion;
  • the locking mechanism locks the position of the first connecting portion and the non-first turning point of the rotating folding portion in an unfolded state
  • the rotating folding portion After unlocking the locking mechanism, when the rotating folding portion is subjected to a pre-toring torque directed to the first connecting portion, the rotating folding portion is forced to rotate in the direction of the first connecting portion under the tension of the tensioning mechanism until the first connecting portion and the rotating folding portion are at Folded state.
  • the first rotation point, the second rotation point and the third rotation point are on the same straight line, or the second rotation point is located at the first rotation point and the third rotation point The sides of the line formed by the dots.
  • the rotating folding portion includes a radiant connection with the first connecting portion having a certain thickness
  • a folding plate comprising a connecting portion at the front end for rotational connection with the second end of the tensioning mechanism and a rotating portion for rotational connection with the first connecting portion.
  • the folding plate has a through groove extending through both sides of the folding plate, the through groove communicating with a first through hole, and the first through hole is formed by an inner surface of the folding plate facing in the thickness direction;
  • the locking mechanism includes a first card board and a second card board disposed on two sides of the through slot, and the first card board and the second card board are respectively provided with a first card corresponding to the position and matching in shape.
  • Bit slot
  • the utility model further includes a positioning bayonet matching the first card slot across the through slot, the middle portion of the positioning bayonet being passed through the first through hole and rotatably connected to the first card board and the second card board a foot lever is connected; and a passage for allowing the positioning bayonet to pass during the movement is provided at the first connecting portion, and an upper end of the passage is provided with the first card slot Matching second card slot;
  • the pedal When in the unfolded state, the pedal is rotated by the toggle, so that the positioning latch is dropped into the first latching slot and the second latching slot to achieve locking.
  • the front end of the foot rod has a mounting hole through which the positioning clip pin is fixed with the foot rod.
  • the folding plate further includes a second connecting portion at the lower end.
  • the first connecting portion includes a substrate and a first connecting plate and a second connecting plate of the opposite arrangement of the connecting substrate, the tensioning mechanism is located between the first connecting plate and the second connecting plate, and the first end thereof is connected to The second end of the substrate is rotatably coupled to the rotating portion of the rotating fold.
  • the front end surface of the folding plate in the thickness direction is provided with an inwardly recessed open groove, and the second end of the tension mechanism is rotatably connected into the open groove, and the tension mechanism can be opened during the rotation Pass in the slot.
  • a folding scooter comprising a faucet mechanism having a front wheel and a pedal mechanism having a rear wheel, and further comprising any of the folding mechanisms described above, wherein the faucet mechanism Connected to the first connecting portion of the folding mechanism, the pedal mechanism is coupled to the rotating fold.
  • the first connecting portion includes a substrate and a first connection of the opposite arrangement connected to the substrate a first connecting end of the tensioning mechanism is fixedly fixed on the substrate, and a first end of the tensioning mechanism is fixed with a latch, the latch rotates coaxially with the second rotating point, and the first step is set on the substrate a guide hole;
  • the faucet mechanism includes a front outer tube having a second guide hole disposed opposite to the first guide hole;
  • the pin When the pin rotates with the second rotation point, the pin can pass through the first guide hole and enter the second guide hole until the scooter is in a folded state.
  • a folding mechanism in one aspect, includes a first connecting portion and a rotating folding portion rotatably coupled thereto, and a tension mechanism is disposed between the first connecting portion and the rotating folding portion, and the tension mechanism generates An axially outward force, when given a moment to the rotating fold, the first connecting portion, the rotating folding portion and the tensioning mechanism form a triangular structure, and the first connecting portion and the rotating folding are realized by the tension mechanism
  • the automatic folding of the part makes it easier to fold the scooter.
  • Figure 1 is a cross-sectional view of a folding mechanism of the present invention
  • FIG. 2 is a schematic structural view of a rotating folded portion
  • Figure 3 is a schematic structural view of a locking mechanism
  • Figure 4 is a schematic view showing the structure after the rotating folding portion and the locking mechanism are assembled
  • Figure 5 is a schematic structural view of the first connecting portion
  • Figure 6 is a schematic view of the folding scooter after deployment
  • Figure 7 is a schematic structural view of the folding scooter after folding
  • Figure 8 is a partial schematic view of the folding mechanism assembled with the faucet mechanism and the pedal mechanism.
  • the technical solution of the utility model is a folding mechanism, which can realize automatic folding, can be applied to a folding scooter, or any other field that needs to be automatically folded with the folding mechanism of various countries.
  • a folding mechanism which may be in an unfolded state and a folded state, includes: a first connecting portion 1 and a rotating folding portion 2, the rotating folding portion 2 being rotatably coupled to the first connecting portion 1 and opposite to the first connection The part 1 is rotated to achieve folding. Also included is a tensioning mechanism 3 capable of generating tension along its length, i.e., the tensioning mechanism 3 maintains an outward tension and can expand and contract throughout the folding mechanism. At the same time, a locking mechanism 4 is included for locking the first connecting portion 1 and the rotating folding portion 2 to prevent rotation.
  • first end 31 of the tension mechanism 3 is rotatably connected to the front end of the first connecting portion 1 along the tension direction, and the second end 32 is rotatably coupled to the rotating folding portion 2; the second end 32 is rotated
  • the first pivot point 01 of the folding portion 2 is located between the first end 31 and the second pivot point 02 of the first connecting portion 1 and the third connecting point 1 of the first connecting portion 1 and the rotating folding portion 2.
  • the locking mechanism 4 locks the position of the first connecting portion 1 and the non-first turning point 01 of the rotating folding portion 2 in an unfolded state; after unlocking the locking mechanism 4, the rotating folding portion 2 is subjected to a pointing
  • the rotating folding portion 2 is forced to rotate in the direction of the first connecting portion 1 by the tension of the tension mechanism 3 until the first connecting portion 1 and the rotating folding portion 2 are in a folded state.
  • the principle in this embodiment is that a triangular structure is formed by the first rotation point 01, the second rotation point 02, and the third rotation point 03, and the force generated by the tension mechanism 3 forces the rotation folding portion 2 to rotate. .
  • the first rotation point 01, the second rotation point 02, and the third rotation point 03 are located on the same straight line.
  • the first rotation point 01, the second rotation point 02 and the third rotation point 03 may not be on the same straight line, that is, the second rotation point 02 is formed at the first rotation point 01 and the third rotation point 03.
  • the upper and lower sides of the line are examples of the line.
  • the rotating folding portion 2 includes a folding plate 21 having a certain thickness and rotatably connected with the first connecting portion 1, and the folding plate 21 includes a first portion for the tension mechanism 3 at the front end.
  • the connecting portion 22 of the two ends 32 is rotatably connected, the rotating portion 23 for rotational connection with the first connecting portion 1, and a second connecting portion 24 at the lower end.
  • the upper half of the folded plate 21 has a fan-shaped cross section; the lower portion thereof (ie, the second connecting portion 24) has a quadrangular cross section.
  • the folding plate 21 has a through groove 25 penetrating both sides of the folding plate 21, and the through groove 25 communicates with a first through hole 26 which faces inward from one end in the thickness direction of the folding plate 21.
  • the recess is formed; that is, in the present embodiment, the curved surface 211 of the folded plate 21 in the drawing is recessed radially inward, and the first through hole 26 communicates with the through groove 25.
  • the front end face of the folding plate 21 in the thickness direction (that is, the upper end portion of the curved surface 211 in this embodiment) is provided with an inwardly recessed open groove 27, the inside of the open groove 27 and the through groove 25 and the first pass
  • the holes 26 are isolated while the other directions are connected to the outside.
  • the second end 32 of the tensioning mechanism 3 is rotatably coupled into the open slot 27, through which the tensioning mechanism 3 can pass during rotation.
  • the through groove 25 is used to connect the tension mechanism 3.
  • the connecting portion 22 is located at a corner connecting the sector structure and the square structure, and the connecting portion 22 is rotatably coupled to the first connecting portion 1 by a rotating connecting shaft.
  • the second connecting portion 24 is provided with a second through slot 241, and the second connecting portion 24 is provided with a plurality of mounting positions 242 through which the mounting device 242 is used to connect the external device.
  • the locking mechanism 4 includes a first card plate 41 and a second card plate 42 disposed on both sides of the through slot 25.
  • the first card board 41 and the second card board 42 are each disposed at a corresponding position.
  • the first latching slot 43 is matched with the first latching slot 43.
  • the first latching slot 43 is open, and has a positioning latch 44 on the first latching slot 43 of the first latching plate 41 and the second latching plate 42.
  • the shape of the bayonet 44 matches the first latching slot 43, that is, the shape of the latching latch 44 is the same as that of the first latching slot 43.
  • the intermediate portion of the positioning detent 44 is connected by a foot lever 45 that passes through the first through hole 26 and is rotationally coupled to the first card 41 and the second card 42; that is, the foot lever 45
  • the fixed shaft 46 is rotatably coupled between the first card plate 41 and the second card plate 42, and the front end of the foot lever 45 is coupled with the positioning bayonet 44 when the end of the footrest 45 is tilted.
  • the positioning latch 44 is reciprocated back and forth by the first latching slot 43 and can disengage the positioning latch 44 from the first latching slot 43.
  • the technology uses leverage principle. It should be understood that in the present embodiment, the positioning bayonet 44 will extend to the first connecting portion 1 after passing through the first latching slot 43.
  • FIG. 4 there is shown a schematic view of the assembly of the rotating fold 2 and the locking mechanism 4.
  • the first card board 41 is first mounted on one side of the through slot 25; the foot lever 45 passes through the first through hole 26 and enters the through slot 25, and passes through the rotating mounting hole of the fixed lever 46 through the foot lever 45. 451 and extending to the first card board 41, the positioning bayonet 44 passes through the mounting hole 452 at the front end of the footrest 45 and extends to the first card slot 43 of the first card board 41; then the second card board
  • the assembly is completed by mounting on the other side of the through groove 25.
  • the foot lever 45 is moved, the vertical movement of the positioning latch 44 in the first latching groove 43 is achieved.
  • the first connecting portion 1 includes a first connecting plate 12 and a second connecting plate 13 of the substrate 11 and the opposite arrangement of the connecting substrate 11.
  • the other ends of the first connecting plate 12 and the second connecting plate 13 are free ends. That is, the other ends of the first connecting plate 12 and the second connecting plate 13 are not in contact with each other.
  • the upper end of the passage 14 is provided with a second matching with the first latching slot 43 Card slot 15.
  • the inner end of the first connecting plate 12 and the second connecting plate 13 are provided with a passage 14 and a second latching groove 15.
  • the ends of the first connecting plate 12 and the second connecting plate 13 are both provided with a hole position 16 which cooperates with the connecting portion 22 of the rotating folding portion 2 to realize the first connecting portion 1 and the rotating folding portion. 2 rotation.
  • the passage 14 is arcuate, and the passage 14 is an arc centered on the hole position 16.
  • the upper end of the channel 14 is connected to the second latching slot 15, and the channel 14 is at an angle with the second latching slot 15.
  • the channel 14 and the second latching slot 15 generally extend from bottom to top. And rendezvous. Referring to the drawings, when folding and unfolding, the positioning detent 44 moves back and forth between the passage 15 and the second registration slot 15 when in use.
  • the tension mechanism 3 may be a cylinder, which may be a pneumatic support, as long as it is capable of generating a force in the longitudinal direction and being expandable.
  • the first end 31 of the tension mechanism 3 is rotatably coupled to the substrate 11
  • the second end 32 is rotatably coupled to the open groove 27 of the rotary stacking portion 2. Specifically, as shown in Figures 1 and 2.
  • the first turning point 01 When in the folded state, the first turning point 01 is located at the lowermost end, and when it is required to be unfolded, the first connecting portion 1 and the rotating folding portion 2 will be rotated, and the positioning bayonet 44 will follow the rotating edge of the rotating folding portion 2.
  • the channel 14 is moved upward until it reaches the top end, at which time the foot lever 45 is moved so that the positioning bayonet 44 falls into the first card slot 43 of the first card board 41 and the second card board 42 and falls into the In the second card slot 15, at this time, under the action of the positioning bayonet 44, the first connecting portion 1 and the rotating folding portion 2 will not rotate, and this is the unfolded state.
  • the foot lever 45 When the folding is required, the foot lever 45 is pushed downward to disengage the positioning latch 44 from the first latching slot 43. At this time, as long as the rotating folding portion is given a rotational moment directed to the first connecting portion 1, the tension is applied. Under the action of the mechanism 3, the rotating folding portion 2 will be automatically turned over to the first connecting portion 1, so that no force is required, which is convenient and labor-saving for the user. That is, when in the unfolded state, the pedaling lever 45 is rotated to make the positioning latch 44 fall into the first latching slot 43 and the second latching slot 15 to achieve locking.
  • the tension mechanism 3 can further force the rotating fold 2 to not rotate toward the first connecting portion 1; when located below, although a moment of rotation to the first connecting portion 1 is generated for the rotating joint 2, No rotation occurs under the action of the positioning bayonet 44.
  • the application of the present invention also proposes a folding scooter comprising a faucet mechanism 55 having a front wheel 51 and a pedal mechanism 6 having a rear wheel 61, further comprising any of the above mentioned a folding mechanism 7.
  • the folding mechanism includes a first connecting portion 1 and a rotating fold 2 rotatably coupled to the first connecting portion 1.
  • the first connecting portion 1 has a substrate 11 and a second connecting plate (not shown in FIG. 7) and a second connecting plate 13, and the first end 31 of the tension mechanism 3 is rotatably fixed to the substrate 11.
  • the movable fold 2 includes a second connecting portion 24.
  • the substrate 11 is connected to the faucet mechanism 55, and may be connected by welding.
  • the pedal mechanism 6 is connected and fixed to the second connecting portion 24.
  • the method of use is as follows, and the manner of use of the folding mechanism described above is not described herein.
  • the first end 31 of the tension mechanism 3 is fixed with a latch 8 , and the latch 8 rotates coaxially with the second rotating point 02 to provide a first guiding hole 111 on the substrate 11 .
  • the faucet mechanism 5 includes a vertical tube 52 having a second guiding hole 521 disposed opposite to the first guiding hole 111, and the second turning point when the folding scooter is folded Turning clockwise 02, the latch 8 is driven through the first guiding hole 111 and then into the second guiding hole 521 until the scooter is in a folded state. This technology ensures that the faucet mechanism 5 does not oscillate after folding.
  • each tube may also be provided with a guide hole which is adapted to the position of the second guide hole 521 after contraction, and when the contraction is made, the bolt 7 can pass through the guide holes. Achieve fixation to prevent swinging.

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

Abstract

一种折叠机构及折叠滑板车，可处于展开状态和折叠状态，包括第一连接部(1)、转动折叠部(2)、张力机构(3)和锁定机构(4)；张力机构(3)，能够产生沿其长度方向的张力并能伸缩；锁定机构(4)用于将第一连接部(1)和转动折叠部(2)锁定防止转动；沿张力方向该张力机构(3)的第一端(31)转动连接在所述第一连接部(1)的前端，第二端(32)转动连接在所述转动折叠部(2)；解锁锁定机构(4)后，转动折叠部(2)受到一个指向第一连接部(1)的预制力矩时，将在张力机构(3)的张力作用下迫使转动折叠部(2)向第一连接部(1)方向转动直至该第一连接部(1)和转动折叠部(2)处于折叠状态。在张力机构(3)的作用下实现第一连接部(1)和转动折叠部(2)的自动折叠，使得折叠滑板车时更省力。

Description

一种折叠机构及折叠滑板车 技术领域
本实用新型涉及一种折叠机构及折叠滑板车。
背景技术
随着城市交通压力越来越大，越来越堵，人们亟需一种结构简单、便于携带、操作方便的代步工具。
在此情况下，电动滑板车应运而生，电动滑板车凭借其极大的便携性和易用性，得到越来越多人的喜欢，特别是年轻人，已经成为人们日常生活中常用的代步工具。其中，可折叠的电动滑板车更加因具有体积小、重量轻、方便携带等特点得到了越来越多人的青睐。
通常的可折叠电动滑板车主要包括作为车体的踏板，设置在踏板后部的后车轮，用于控制方向的龙头机构，设置龙头机构上的前轮，以及连接龙头机构和踏板的折叠机构。
由于滑板车需要一定的速度进行长时间的行驶，这就对展开后的可折叠电动滑板车的稳固性提出了很高的要求，以保证滑板车的可靠性和使用时的安全性。再者折叠滑板车在组成结构上分为踏板和龙头机构两部分，两者之间通过可折叠操作的折叠机构，由此折叠机构的可靠性直接影响整个滑板车的可靠性。
另外，由于滑板车在使用过程中需要经常折叠，需要经常操作折叠机构，因此折叠机构操作的便捷性将影响整个可折叠电动滑板车使用的便捷性。
现有的折叠滑板车具有多种多样的折叠机构，但是都是需要通过人力才能将龙头机构和踏板部分折叠起来。这些折叠机构仅仅具有折叠和固定的作用， 不能实现自动折叠。
实用新型内容
本实用新型为了克服现有技术的不足，提出一种折叠机构及折叠滑板车，其目的在于实现自动折叠，省力。
为了解决上述的技术问题，本实用新型提出的基本技术方案一方面为：一种折叠机构，可处于展开状态和折叠状态，包括：
第一连接部；
转动折叠部，与第一连接部转动连接并可相对该第一连接部转动实现折叠；
张力机构，能够产生沿其长度方向的张力并能伸缩；以及
锁定机构，用于将第一连接部和转动折叠部锁定防止转动；
其中，沿张力方向该张力机构的第一端转动连接在所述第一连接部的前端，第二端转动连接在所述转动折叠部；
其中，所述第二端与转动折叠部的第一转动点位于所述第一端与第一连接部的第二转动点与第一连接部和转动折叠部的第三转动点的之间；
锁定机构通过将第一连接部和转动折叠部的非第一转动点的位置锁定，使得该折叠机构处于展开状态；
解锁锁定机构后，转动折叠部受到一个指向第一连接部的预制力矩时，将在张力机构的张力作用下迫使转动折叠部向第一连接部方向转动直至该第一连接部和转动折叠部处于折叠状态。
进一步的，处于所述展开状态时，所述第一转动点、第二转动点和第三转动点位于同一条直线上，或者所述第二转动点位于所述第一转动点和第三转动点形成的直线的两侧。
进一步的，所述转动折叠部包括具有一定厚度的与第一连接部转动连接的 折叠板，该折叠板包括位于前端的用于与张力机构的第二端转动连接的连接部以及用于与第一连接部转动连接的转动部。
进一步的，所述折叠板具有一个贯穿该折叠板两侧面的通槽，该通槽连通一个第一通孔，该第一通孔由折叠板的厚度方向的一个端面向内凹陷形成；
其中，所述锁定机构包括设置在通槽两侧的第一卡板和第二卡板，所述第一卡板和第二卡板上均设置一个位置相对应、形状相匹配的第一卡位槽；
还包括横跨所述通槽的与第一卡槽匹配的定位卡销，该定位卡销的中间部分被一个穿过所述第一通孔并转动连接至第一卡板和第二卡板的脚踏杆所连接；并且，在所述第一连接部处设置一个能够让所述定位卡销在移动过程中通过的通道，该通道的上末端设置一个与所述第一卡位槽相匹配的第二卡位槽；
当处于展开状态时，通过拨动所述脚踏杆转动，使得所述的定位卡销落入所述第一卡位槽和第二卡位槽处即可实现锁定。
进一步的，所述脚踏杆的前端具有安装孔，所述定位卡销穿过该安装孔与所述脚踏杆固定在一起。
进一步的，所述折叠板还包括一个位于下端的第二连接部。
进一步的，第一连接部包括基板以及连接基板的相对布置的第一连接板和第二连接板，所述张力机构位于第一连接板和第二连接板之间，并且其第一端连接至基板，第二端与转动折叠部的转动部转动连接在一起。
进一步的，所述折叠板的沿厚度方向的前端面设置一个向内凹陷的敞开槽，所述张力机构的第二端被转动连接至该敞开槽内，在转动过程中张力机构可以在该敞开槽内通过。
本实用新型的技术方案提出的另一方面为一种折叠滑板车，其包括具有前轮的龙头机构以及具有后轮的踏板机构，还包括上述的任意一种折叠机构，其中，所述龙头机构与折叠机构的第一连接部连接，踏板机构与转动折叠部连接。
进一步的，所述第一连接部包括基板以及与基板连接的相对布置的第一连 接板和第二连接板，所述张力机构的第一端转动固定在基板上，并且该张力机构的第一端固定一个插销，该插销与第二转动点同轴转动，在基板上设置第一导孔；
所述龙头机构包括前外管，该前外管具有一个与所述第一导孔等高相对布置的第二导孔；
当所述插销随第二转动点转动时，该插销能够穿过第一导孔后进入第二导孔，直至滑板车处于折叠状态。
本实用新型的有益效果是：
本实用新型的技术方案中，一方面一种折叠机构，包括有第一连接部和与之转动连接的转动折叠部，在第一连接部和转动折叠部之间设置张力机构，该张力机构产生一个沿轴向向外的力，当给予所述转动折叠部一个力矩即可使得第一连接部、转动折叠部和张力机构形成三角形结构，在张力机构的作用下实现第一连接部和转动折叠部的自动折叠，使得折叠滑板车时更省力。
附图说明
图1为本实用新型一种折叠机构的剖视图；
图2为转动折叠部的结构示意图；
图3为锁定机构的结构示意图；
图4为转动折叠部与锁定机构装配后的结构示意图；
图5为第一连接部的结构示意图；
图6为折叠滑板车展开后的示意图；
图7为折叠滑板车折叠后的结构示意图；
图8为折叠机构与龙头机构、踏板机构装配后的局部示意图。
具体实施方式
以下将结合附图1至8对本实用新型做进一步的说明，但不应以此来限制本实用新型的保护范围。
本实用新型的技术方案一种折叠机构，能够实现自动折叠，能够适用于折叠滑板车，或者其他任何需要同各国本折叠机构进行自动折叠的领域。
参照图1，一种折叠机构，可处于展开状态和折叠状态，包括：第一连接部1和转动折叠部2，该转动折叠部2与第一连接部1转动连接并可相对该第一连接部1转动实现折叠。另外还包括一个张力机构3，能够产生沿其长度方向的张力，即该张力机构3在整个折叠机构中保持输出一个向外的张力并能伸缩。同时，还包括一个锁定机构4，用于将第一连接部1和转动折叠部2锁定防止转动。具体的，沿张力方向该张力机构3的第一端31转动连接在所述第一连接部1的前端，第二端32转动连接在所述转动折叠部2；所述第二端32与转动折叠部2的第一转动点01位于所述第一端31与第一连接部1的第二转动点02与第一连接部1和转动折叠部2的第三转动点03的之间。使用时，锁定机构4通过将第一连接部1和转动折叠部2的非第一转动点01的位置锁定，使得该折叠机构处于展开状态；解锁锁定机构4后，转动折叠部2受到一个指向第一连接部1的预制力矩时，将在张力机构3的张力作用下迫使转动折叠部2向第一连接部1方向转动直至该第一连接部1和转动折叠部2处于折叠状态。
需要说明的是，本实施例中其原理是，通过第一转动点01、第二转动点02和第三转动点03形成三角形结构，而张力机构3产生的力迫使所述旋转折叠部2转动。具体的，处于所述展开状态时，所述第一转动点01、第二转动点02和第三转动点03位于同一条直线上。除此之外，第一转动点01、第二转动点02和第三转动点03也可以不在同一条直线上，即第二转动点02位于第一转动点01和第三转动点03所形成的直线的上下两侧。
详细的，参照图2，所述转动折叠部2包括具有一定厚度的与第一连接部1转动连接的折叠板21，该折叠板21包括位于前端的用于与张力机构3的第 二端32转动连接的连接部22、用于与第一连接部1转动连接的转动部23以及一个位于下端的第二连接部24。具体来说，该折叠板21的上半部分的横截面呈扇形结构；其下部(即第二连接部24)的横截面为四方形结构。进一步的，折叠板21具有一个贯穿该折叠板21两侧面的通槽25，该通槽25连通一个第一通孔26，该第一通孔26由折叠板21的厚度方向的一个端面向内凹陷形成；即在本实施例中，由图中的折叠板21的曲面211沿径向向内凹陷形成，该第一通孔26和通槽25连通。另外，折叠板21的沿厚度方向的前端面(即本实施例中曲面211的上端部分)设置一个向内凹陷的敞开槽27，该敞开槽27的内部与所述通槽25和第一通孔26隔离，而其他方向均与外界贯穿。所述张力机构3的第二端32被转动连接至该敞开槽27内，在转动过程中张力机构3可以在该敞开槽27内通过。
在通槽25用于连接所述张力机构3。所述连接部22位于扇形结构和四方形结构连接的转角处，该连接部22通过转动连接轴与第一连接部1转动连接在一起。第二连接部24设置一个第二通槽241，并且该第二连接部24处设置若干安装位242，通过这些安装位242用于连接外接的装置。
参见图3，所述锁定机构4包括设置在通槽25两侧的第一卡板41和第二卡板42，所述第一卡板41和第二卡板42上均设置一个位置相对应、形状相匹配的第一卡位槽43；第一卡位槽43为敞开的，在第一卡板41和第二卡板42的第一卡位槽43上具有定位卡销44，该定位卡销44的形状与第一卡位槽43相匹配，即定位卡销44的形状与第一卡位槽43一样。该定位卡销44的中间部分被一个穿过所述第一通孔26并转动连接至第一卡板41和第二卡板42的脚踏杆45所连接；也就是说，脚踏杆45通过固定轴46转动连接在第一卡板41和第二卡板42之间，并且该脚踏杆45的前端与所述定位卡销44连接在一起，当撬动脚踏杆45的末端时，将会带动定位卡销44由第一卡位槽43上来回往复移动，并可以驱使定位卡销44脱离该第一卡位槽43。该技术利用杠杆 原理。应当理解，在本实施例中，定位卡销44穿过第一卡位槽43后将会延伸至至第一连接部1。
参考图4，该图示出了转动折叠部2与锁定机构4装配后的结构示意图。具体的，先将第一卡板41装配于通槽25的一侧；脚踏杆45穿过第一通孔26后进入通槽25，通过固定轴46穿过脚踏杆45的转动安装孔451并延伸至第一卡板41，定位卡销44穿过脚踏杆45前端的安装孔452并延伸至所述第一卡板41的第一卡位槽43上；然后将第二卡板42安装在通槽25的另一侧即可完成装配。这样，撬动脚踏杆45时，实现定位卡销44在第一卡位槽43内的上下移动。
参照图5，该图示出了第一连接部1的结构示意图。所述第一连接部1包括基板11以及连接基板11的相对布置的第一连接板12和第二连接板13，该第一连接板12和第二连接板13的另一端均为自由端，即第一连接板12和第二连接板13的另一端不相互接触。在所述第一连接部1处设置一个能够让所述定位卡销44在移动过程中通过的通道14，该通道14的上末端设置一个与所述第一卡位槽43相匹配的第二卡位槽15。具体来说，在本实施例中，在第一连接板12和第二连接板13内侧末端都设置有通道14和第二卡位槽15。详细的，第一连接板12和第二连接板13的末端都设置有孔位16，该孔位16与所述转动折叠部2的连接部22配合，实现第一连接部1和转动折叠部2的转动。应当理解，本实施例中，所述通道14为圆弧状，并且该通道14以所述孔位16为中心的圆弧。通道14的上端连通所述的第二卡位槽15，该通道14与第二卡位槽15成一个角度，如图5所示，通道14和第二卡位槽15总体是由下向上延伸并交会。参照图，进行折叠和展开时，定位卡销44在使用的时候会在通道15和第二卡位槽15处来回移动。
在本实施例中张力机构3可以是气缸，可以是气撑，只要保证能够产生一个长度方向的力并且可伸缩即可。张力机构3的第一端31转动连接在基板11 上，第二端32转动连接在转动叠加部2的敞开槽27上。具体如图1和图2所示。
当处于折叠状态时，所述第一转动点01位于最下端，当需要展开的时候，将转动第一连接部1和转动折叠部2，定位卡销44将随着转动折叠部2的转动沿着通道14向上移动，直至到达最顶端，此时拨动脚踏杆45使得定位卡销44落入到第一卡板41和第二卡板42的第一卡位槽43内以及落入到第二卡位槽15内，此时，在定位卡销44的作用下，第一连接部1和转动折叠部2将不会发生转动，此时即为展开状态。
当需要折叠的时候，向下拨动脚踏杆45，使得定位卡销44脱离所述第一卡位槽43，此时只要给予转动折叠部一个指向第一连接部1的转动力矩，在张力机构3的作用下所述转动折叠部2将会向所述第一连接部1自动翻转，这样就不需要用力，对用户来说既方便又省力。即当处于展开状态时，通过拨动所述脚踏杆45转动，使得所述的定位卡销44落入所述第一卡位槽43和第二卡位槽15处即可实现锁定。
值得说明的是，在本实施例中，当处于展开状态时，所述第一转动点01、第二转动点02和第三转动点03处于同一条直线。当然，也可以不位于同一条直线上，即第一转动点01位于所述第二转动点02和第三转动点03形成的直线的上方或下方。当处于上方时，张力机构3能够跟进一步迫使转动折叠部2不会向第一连接部1转动；当位于下方时，尽管对于转动连接部2产生一个向第一连接部1转动的力矩，但是在定位卡销44的作用下不会发生转动。
参照图6、图7，本实用新型的申请还提出一种折叠滑板车，其包括具有前轮51的龙头机构55以及具有后轮61的踏板机构6，还包括上文提到的的任意一种折叠机构7。具体，该折叠机构包括第一连接部1和与该第一连接部1转动连接的转动折叠部2。第一连接部1具有基板11和第二连接板(图7中未画出)以及第二连接板13，张力机构3的第一端31转动固定在基板11上。转 动折叠部2包括第二连接部24。其中所述基板11与所述龙头机构55连接在一起，具体可以通过焊接的方式连接；踏板机构6与所述第二连接部24连接固定在一起。具体其使用方法如上述折叠机构的使用方式，此处不进行赘述。
由于在折叠后，龙头机构5会发生摆动，有必要解决这一问题。
具体，参照图8，该张力机构3的第一端31固定一个插销8，该插销8与第二转动点02同轴转动，在基板11上设置第一导孔111。所述龙头机构5包括竖管52，该竖管52具有一个与所述第一导孔111等高相对布置的第二导孔521，当折叠滑板车折叠的时候，所述的第二转动点02顺时针转动，带动所述插销8分别穿过第一导孔111后进入第二导孔521，直至滑板车处于折叠状态。该技术能够保证折叠后，龙头机构5不会发生摆动。进一步的，对于由多条管组成龙头机构5，每个管也可以设置一个当收缩后与所述第二导孔521位置相适应的导孔，当收缩时，插销7能够穿过这些导孔实现固定，防止摆动。
根据上述说明书的揭示和教导，本实用新型所属领域的技术人员还可以对上述实施方式进行变更和修改。因此，本实用新型并不局限于上面揭示和描述的具体实施方式，对本实用新型的一些修改和变更也应当落入本实用新型的权利要求的保护范围内。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本实用新型构成任何限制。

Claims (10)

  1. 一种折叠机构，可处于展开状态和折叠状态，其特征在于，包括：
    第一连接部；
    转动折叠部，与第一连接部转动连接并可相对该第一连接部转动实现折叠；
    张力机构，能够产生沿其长度方向的张力并能伸缩；以及
    锁定机构，用于将第一连接部和转动折叠部锁定防止转动；
    其中，沿张力方向该张力机构的第一端转动连接在所述第一连接部的前端，第二端转动连接在所述转动折叠部；
    其中，所述第二端与转动折叠部的第一转动点位于所述第一端与第一连接部的第二转动点与第一连接部和转动折叠部的第三转动点的之间；
    锁定机构通过将第一连接部和转动折叠部的非第一转动点的位置锁定，使得该折叠机构处于展开状态；
    解锁锁定机构后，转动折叠部受到一个指向第一连接部的预制力矩时，将在张力机构的张力作用下迫使转动折叠部向第一连接部方向转动直至该第一连接部和转动折叠部处于折叠状态。
  2. 如权利要求1所述的一种折叠机构，其特征在于：
    处于所述展开状态时，所述第一转动点、第二转动点和第三转动点位于同一条直线上，或者所述第二转动点位于所述第一转动点和第三转动点形成的直线的两侧。
  3. 如权利要求1所述的一种折叠机构，其特征在于：
    所述转动折叠部包括具有一定厚度的与第一连接部转动连接的折叠板，该折叠板包括位于前端的用于与张力机构的第二端转动连接的连接部以及用于与第一连接部转动连接的转动部。
  4. 如权利要求3所述的一种折叠机构，其特征在于：
    所述折叠板具有一个贯穿该折叠板两侧面的通槽，该通槽连通一个第一通 孔，该第一通孔由折叠板的厚度方向的一个端面向内凹陷形成；
    其中，所述锁定机构包括设置在通槽两侧的第一卡板和第二卡板，所述第一卡板和第二卡板上均设置一个位置相对应、形状相匹配的第一卡位槽；
    还包括横跨所述通槽的与第一卡槽匹配的定位卡销，该定位卡销的中间部分被一个穿过所述第一通孔并转动连接至第一卡板和第二卡板的脚踏杆所连接；并且，在所述第一连接部处设置一个能够让所述定位卡销在移动过程中通过的通道，该通道的上末端设置一个与所述第一卡位槽相匹配的第二卡位槽；
    当处于展开状态时，通过拨动所述脚踏杆转动，使得所述的定位卡销落入所述第一卡位槽和第二卡位槽处即可实现锁定。
  5. 如权利要求4所述的一种折叠机构，其特征在于：
    所述脚踏杆的前端具有安装孔，所述定位卡销穿过该安装孔与所述脚踏杆固定在一起。
  6. 如权利要求4所述的一种折叠机构，其特征在于：
    所述折叠板还包括一个位于下端的第二连接部。
  7. 如权利要求4所述所述的一种折叠机构，其特征在于：
    第一连接部包括基板以及连接基板的相对布置的第一连接板和第二连接板，所述张力机构位于第一连接板和第二连接板之间，并且其第一端连接至基板，第二端与转动折叠部的转动部转动连接在一起。
  8. 如权利要求3所述的一种折叠机构，其特征在于：
    所述折叠板的沿厚度方向的前端面设置一个向内凹陷的敞开槽，所述张力机构的第二端被转动连接至该敞开槽内，在转动过程中张力机构可以在该敞开槽内通过。
  9. 一种折叠滑板车，包括具有前轮的龙头机构以及具有后轮的踏板机构，其特征在于：包括权利要求1至8之一所述的一种折叠机构，其中，所述龙头机构与折叠机构的第一连接部连接，踏板机构与转动折叠部连接。
  10. 如权利要求9所述的一种折叠滑板车，其特征在于：所述第一连接部包括基板以及与基板连接的相对布置的第一连接板和第二连接板，所述张力机构的第一端转动固定在基板上，并且该张力机构的第一端固定一个插销，该插销与第二转动点同轴转动，在基板上设置第一导孔；
    所述龙头机构包括前外管，该前外管具有一个与所述第一导孔等高相对布置的第二导孔；
    当所述插销随第二转动点转动时，该插销能够穿过第一导孔后进入第二导孔，直至滑板车处于折叠状态。
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