WO2016169090A1 - 一种用于健身娱乐的折叠式自行车 - Google Patents

一种用于健身娱乐的折叠式自行车 Download PDF

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Publication number
WO2016169090A1
WO2016169090A1 PCT/CN2015/079627 CN2015079627W WO2016169090A1 WO 2016169090 A1 WO2016169090 A1 WO 2016169090A1 CN 2015079627 W CN2015079627 W CN 2015079627W WO 2016169090 A1 WO2016169090 A1 WO 2016169090A1
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WIPO (PCT)
Prior art keywords
folding
chassis
fitness
telescopic arm
bicycle
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PCT/CN2015/079627
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English (en)
French (fr)
Inventor
朱红英
朱于敏
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朱红英
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Publication of WO2016169090A1 publication Critical patent/WO2016169090A1/zh

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Classifications

    • 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 belongs to the field of vehicles, and particularly relates to a folding bicycle used for fitness and recreation.
  • the folding method of the existing folding type vehicle is mostly manual folding.
  • it is usually necessary to manually unlock the buckle at the folding joint, and then fold the frame, in order to avoid the frame being scattered during transportation.
  • the corresponding joints need to be locked.
  • the folding process of the whole vehicle is complicated, the operation steps are numerous, the procedure is cumbersome, and the volume reduction effect after folding is not obvious, the weight is too heavy, the carrying is inconvenient, the appearance is old, and the like. problem.
  • the technical problem to be solved by the present invention is: designing a folding bicycle for fitness and recreation, realizing one-button automatic vehicle folding and one-button automation exhibition.
  • the technical solution adopted is: designing a folding bicycle for fitness entertainment, including a front frame, a folding chassis and a folding wheel frame, wherein the front frame is set Battery power supply, for driving the whole vehicle, the folding chassis is provided with a driving motor with a tilting angle, the driving motor telescopic arm is provided with teeth, and the locking pin of the locking device is connected by a gear meshing with the tooth, the locking pin a tooth is formed between the folding chassis and the folding wheel frame, the telescopic arm is provided with a limit stroke, the folding joint is provided with a damper, and the limiting stroke comprises a protruding column disposed on the telescopic arm , said The protruding post is provided with a movable stroke, which is a reserved stroke for the locking pin to be pulled out from the pin hole of the locking device, the inclined angle is 39°-48°, and the driving motor is provided with a reduction gear Driving a pair of screw nut, the nut is connected to the telescopic arm,
  • the automatic folding type vehicle realizes one-button automatic folding of the whole vehicle without manual operation, and the folding joint is realized by electric control, and the realization process mainly drives the telescopic arm movement by the driving motor, and the linkage effect of the connecting rod. Therefore, the folding of the folding joints is achieved, the automaticness is high, the speed is quick and labor-saving, the whole vehicle is folded into position, the motor is automatically powered off, the frame is not scattered, the transportation is convenient and safe, the volume is small, the space is small, and the carrying is convenient.
  • a connecting rod is disposed between the folding chassis and the folding wheel frame, and the connecting rod is respectively connected to the front frame, the folding chassis and the folding wheel frame through the connecting rod arm, and can be folded under the traction of the connecting rod.
  • the automatic synchronization of the chassis and the folding wheel frame is folded and unfolded, and the collecting ends of the connecting rod arms are connected by the movable shaft to realize the relative movement between the link arms.
  • the telescopic arm is provided with a limit stroke for realizing the movable stroke of the lock pin from the lock hole; when the telescopic arm is continuously stretched, under the action of the motor driving force, the folding chassis is at the connecting rod Under the action of the impingement, the telescopic arm can be lifted up by the extension, and the connecting rod drives the interlocking and unfolding of the overall frame.
  • the driving motor is provided with a reduction gear, which can decelerate the rotation of the motor, so that the rotation speed of the motor matches the moving speed of the telescopic arm, and the screw nut can change the rotational motion of the motor into a linear motion.
  • the driving motor is provided with a micro-switch, and the micro-switch is connected to the control center and the motor power to realize precise control during the folding process, and automatically power-off at a predetermined stroke position.
  • the front frame is provided with a battery power source, and is used for power driving of the whole vehicle.
  • the power supply is safely and reliably placed, waterproof and dustproof, and the internal space of the vehicle body is fully utilized to ensure smooth appearance of the whole vehicle.
  • the telescopic arm is labor-saving, flexible and less work in jacking the chassis; the angle of the tilt is 30°-75°, and the working efficiency of the telescopic arm is greatly improved and the effect is best in this angle range.
  • the folding joint is provided with a damper to improve the service life of the relevant components, and the folding process is softer to prevent collision damage caused by vigorous folding.
  • FIG. 2 is a schematic view of a link mechanism
  • FIG. 3 is a schematic structural view of a telescopic arm driving lock pin
  • FIG. 4 is a schematic view showing the structure of the vehicle
  • FIG. 5 is a schematic view showing the structure of a pin hole of a shaft seat
  • FIG. 6 is a schematic structural view of a drive motor
  • FIG. 7 is a schematic structural view of a front frame
  • FIG. 8 is a schematic view showing a folded structure of the entire vehicle
  • the utility model relates to a folding bicycle for fitness entertainment, which comprises a front frame 1, a folding chassis 2 and a folding wheel frame 3.
  • the folding chassis 3 is provided with a driving motor 4, and the driving motor telescopic arm 5
  • a locking pin 6 is connected to the locking device
  • a connecting rod 7 is arranged between the folding chassis 2 and the folding wheel frame 3
  • the telescopic arm 5 is provided with a limit stroke
  • the folding chassis 2 is connected with the front frame 1 shaft
  • the folding wheel frame 3 is folded
  • the chassis is connected by 2 shafts
  • the folding chassis 2 can be closed in the outline of the front frame 1.
  • the folding wheel frame 3 can be closed toward the bottom surface of the folding chassis 2, and the whole vehicle is folded over. The process is completed by a motor drive.
  • a tilting angle is set between the driving motor 4 and the chassis, and the telescopic arm 5 is labor-saving, flexible, and less workable when jacking the chassis; the angle of the tilt is 39°-48°, and the working of the telescopic arm 5 is within this angle range. The efficiency is greatly improved and the effect is best.
  • the telescopic arm 5 is provided with a tooth 8, and the lock pin 6 is connected by a gear 9 meshing with the tooth 8, the lock pin 6 is provided with a tooth that meshes with the gear 8;
  • the column 10 is provided with a movable stroke 11 which is a reserved stroke for the locking pin 6 to be pulled out from the pin hole 12 of the locking device;
  • the locking device comprises a shaft seat 13
  • the pin hole 12 is disposed at the bottom of the chassis 2.
  • the gear 9 Rotating, the gear 9 engages the tooth provided by the locking pin 6 to disengage the locking pin 6 from the pin hole 12, and when the stud 10 moves to the end of the movable stroke 11, the locking pin 6 is completely disengaged from the pin hole 12, folded
  • the chassis 2 and the front frame 1 are unlocked, and the chassis 2 can be folded; the movement of the stud 10 to the end of the movable stroke 11 is blocked, but the telescopic arm 5 continues to perform the extension movement under the driving force of the driving motor 4, and the folding chassis 2 is connected Under the action of the rod 7, the telescopic arm 5 which is continuously elongated is gradually jacked up, and the connecting rod 7 connected with the shaft also gradually drives the folding wheel frame 3 to close to the bottom surface of the chassis 2, and the folding chassis 2 which gradually rises toward the front frame 1 Closed, the chassis 2 and the handlebar frame 1 are closed, and the folding wheel frame 3 is also folded and fitted to the bottom surface of the chassis 2, and the whole vehicle is folded into position, and the motor is automatically powered off
  • the power supply is turned on again, the driving motor 4 is reversed, the telescopic arm 5 is retracted, and the folding chassis 2 is gradually pulled by the connecting rod 7 and the front frame 1 gradually After the bifurcation, the downwardly moving co-twisting rod 7 drives the folding wheel frame 3 and the chassis 2 to gradually divide, and the whole vehicle is gradually rotated automatically; when the driving motor 4 returns to the original position, the driving force of the driving motor 4 is applied.
  • the lower telescopic arm 5 continues to retract the movement, the stud 10 is also retracted from the end of the movable stroke 11, and the telescopic arm tooth 8 meshes with the gear 9 to rotate, and the gear 9 engages the locking pin 6 to provide the locking pin 6 Pushed into the pin hole 12, the folding chassis 2 and the front frame 1 are locked, the entire vehicle frame is extended and the motor is automatically powered off, and the connecting rod is fixed together with the folding chassis 2 and the folding wheel frame 3.
  • the driving motor 4 is provided with a reduction gear 14 to drive a pair of screw 15 nut 16, and the reduction gear 14 can decelerate the rotation of the driving motor 4, so that the driving motor 4 speed and the telescopic 5 arm movement speed
  • the nut 15 of the lead screw 15 can change the rotational motion of the drive motor 4 into a linear motion
  • the motor shaft is connected to the lead screw. 15 is rotated, the nut 16 engaged with the lead screw 15 is linearly moved, the nut 16 is connected to the telescopic arm 5 to drive the telescopic arm 5 to perform linear motion, and the extension or retraction of the telescopic arm 5 drives the gear 9 to lock the pin 6 from the pin hole 12 Dial out or push in.
  • the driving motor 4 is provided with a micro-switch 19, and the micro-switch 19 is connected to the control center 20 and the motor power supply.
  • the micro-switch 19 is triggered, and the micro-switch is activated.
  • the switch 19 senses the trigger signal and sends it to the control center 20, the control center 20 controls the drive motor 4 to be powered off, and the telescopic arm 5 stops moving; when the nut 16 retracts to the beginning of the stroke, triggers the end micro-switch, the drive motor 4 also power off.
  • the driving motor 4 rotates and drives the telescopic arm 5 to continuously extend.
  • the nut 16 moves to the end of the stroke, triggering the micro-actuating drive motor 4 to automatically power off and stop the movement;
  • the state is expanded, the motor power is turned on again, and the drive motor 4 reversely drives the telescopic arm 5 to continuously retract.
  • the nut 16 moves to the start end of the stroke, triggering the micro-actuation drive motor 4 to be powered off, again Stop exercising.
  • the connecting rod 7 is respectively connected to the front frame 1, the folding chassis 2 and the folding wheel frame 3 through the link arm 17, and the connecting rod arm
  • the collection ends of 17 are connected by a movable shaft 18, and the arrangement of the link arms 17 enables automatic simultaneous folding and unfolding of the folding chassis 2 and the folding wheel carrier 3.
  • the folding joint is provided with a damper to improve the service life of the related components, and the folding process is softer to prevent collision damage caused by vigorous folding.
  • the front frame 1 is provided with a battery power source for power driving of the whole vehicle, and the power source is safely and reliably placed, waterproof and dustproof.

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

Abstract

一种用于健身娱乐的折叠式自行车，包括前把架（1）、折叠底盘（2）和折叠轮架（3），前把架（1）设置电池电源，用于整车的动力驱动，折叠底盘（2）设置带有倾斜夹角的驱动电机（4），驱动电机（4）的伸缩臂（5）设有齿牙（8），通过与齿牙（8）啮合的齿轮（9）连接锁定装置的锁销（6），锁销（6）设有与齿轮（9）啮合的齿牙，折叠底盘（2）和折叠轮架（3）之间设置连杆（17），伸缩臂（5）设有限位行程，折叠关节设有阻尼器。该折叠式自行车自动化程度高，可实现整车一键自动化折叠，一键自动化展开，快捷省力，折叠后体积小，占用空间少，携带方便。

Description

说明书 发明名称：一种用于健身娱乐的折叠式自行车 技术领域
[0001] 本实用新型属于交通工具领域， 具体涉及一种用于健身娱乐的折叠式自行车。
背景技术
[0002] 随着社会发展与科技进步， 人们对于出行交通工具快速、 便捷、 环保等各方面 的要求也越来越高， 现有的折叠交通工具， 通常体积较大， 重量过重， 对停放 场地有一定的要求， 且携带不方便、 容易被盗， 使用、 停放、 携带、 存储、 安 全等方面存在诸多不便。
[0003] 现有的折叠式交通工具其折叠方式多是手动折叠， 折叠过程中通常需要先手动 解锁折叠关节处的锁扣， 然后将车架折叠， 为避免携带运输过程中车架散幵， 车架折叠到位之后需要再将相应关节锁定， 整车折叠过程较为复杂， 操作步骤 多， 程序繁琐， 另外还存在折叠后体积缩减效果不明显、 重量过重、 携带不方 便、 外观陈旧单一等诸多问题。
[0004] 如何研发一种自动化程度高的折叠式交通工具， 成为本领域技术人员亟需解 决的技术难题。
技术问题
[0005] 为克服上述缺陷， 本实用新型所要解决的技术问题是： 设计一种用于健身娱乐 的折叠式自行车， 实现一键自动化整车折叠、 一键自动化展幵。
问题的解决方案
技术解决方案
[0006] 要解决其技术问题， 所采用的技术方案是： 设计一种用于健身娱乐的折叠式自 行车， 包括前把架、 折叠底盘和折叠轮架， 其特征在于， 所述前把架设置电池 电源， 用于整车的动力驱动， 折叠底盘设置带有倾斜夹角的驱动电机， 驱动电 机伸缩臂设有齿牙， 通过与齿牙啮合的齿轮连接锁定装置的锁销， 所述锁销设 有与齿轮啮合的齿牙， 折叠底盘和折叠轮架之间设置连杆， 所述伸缩臂设有限 位行程， 折叠关节设有阻尼器， 所述限位行程包括设置于伸缩臂的凸柱， 所述 凸柱设有活动行程， 所述活动行程是为锁销从所述锁定装置的销孔内拔出的预 留行程， 所述倾斜夹角为 39°-48°， 所述驱动电机设置减速齿轮带动一对丝杠螺 母， 螺母连接伸缩臂， 所述驱动电机设置微动幵关， 微动幵关连接控制中枢和 电机电源， 所述连杆通过连杆臂分别轴连接前把架、 折叠底盘和折叠轮架， 连 杆臂的汇集端通过活动轴连接在一起， 所述锁定装置包括设置于轴座的销孔， 所述锁销设置于底盘底部。
发明的有益效果
有益效果
[0007] 本实用新型所具有的有益效果包括：
[0008] 1、 该自动化折叠式交通工具实现整车一键自动化折叠， 无需手动操作， 折叠 关节的幵合通过电动控制实现， 实现过程主要通过驱动电机驱动伸缩臂运动， 以及连杆的牵连作用， 从而带动各折叠关节的幵合， 自动性高， 快捷省力， 整 车折叠到位吋， 电机自动断电， 车架不会散幵， 携带运输方便安全， 体积小， 占用空间少， 携带方便。
[0009] 2、 所述折叠底盘和折叠轮架之间设置连杆， 所述连杆通过连杆臂分别轴连接 前把架、 折叠底盘和折叠轮架， 在连杆牵引作用下能够实现折叠底盘与折叠轮 架的自动同步折叠与展幵， 连杆臂的汇集端通过活动轴连接在一起， 用以实现 连杆臂之间的相对运动。
[0010] 3、 所述伸缩臂设有限位行程， 用以实现锁销从锁孔中拉出的活动行程； 当伸 缩臂不断伸长吋， 在电机驱动力作用下， 折叠底盘在连杆的牵连作用下能够被 不断伸长的伸缩臂顶起， 连杆带动实现车架整体的联动折叠与展幵。
[0011] 4、 所述驱动电机设置减速齿轮， 减速齿轮能够将电机的转动减速， 使得电机 转速与伸缩臂的运动速度相配合， 丝杠螺母能够把电机的旋转运动变成直线运 动。
[0012] 5、 所述驱动电机设置微动幵关， 微动幵关连接控制中枢和电机电源， 用以实 现折叠过程中的精准控制， 在预定的行程位置实现自动断电。
[0013] 6、 所述前把架设置电池电源， 用于整车的动力驱动， 电源安置安全可靠， 防 水防尘， 充分利用车体内部空间， 保证整车外观流畅。 驱动电机与底盘之间设 置倾斜夹角， 伸缩臂在顶起底盘吋省力、 灵活、 做功少； 所述倾斜夹角为 30°-75 °， 在这个角度范围内， 伸缩臂的工作效率大为提高， 效果最佳。 所述折叠关节 设有阻尼器， 提高相关部件的使用寿命， 折叠过程更为柔和， 防止大力折叠的 碰撞损伤。
[0014]
[0015] 7、 解锁吋通过齿轮与齿牙的啮合拔出锁销， 齿轮传动平稳， 传动比精确， 工 作可靠、 效率高、 寿命长， 使用的功率、 速度和尺寸范围大， 对加工装配和操 作的精度要求相对较低， 装置稳定度高。
对附图的简要说明
附图说明
[0016] 图 1为本实用新型结构示意图；
[0017] 图 2为连杆机构示意图；
[0018] 图 3为伸缩臂驱动锁销结构示意图；
[0019] 图 4为整车展幵结构示意图；
[0020] 图 5为轴座销孔结构示意图；
[0021] 图 6为驱动电机结构示意图；
[0022] 图 7为前把架结构示意图；
[0023] 图 8为整车折叠结构示意图；
[0024] 图中： 1前把架 2折叠底盘 3折叠轮架 4驱动电机 5伸缩臂 6锁销 7连杆 8齿牙 9齿轮 10凸柱 11活动行程 12销孔 13轴座 14减速齿轮 15丝杠 16 螺母 17连杆臂 18活动轴 19微动幵关 20控制中枢 21硅胶垫。
实施该发明的最佳实施例
本发明的最佳实施方式
[0025] 如图所示， 本实用新型一种用于健身娱乐的折叠式自行车， 包括前把架 1、 折 叠底盘 2和折叠轮架 3， 折叠底盘 3设置驱动电机 4， 驱动电机伸缩臂 5连接锁定装 置的锁销 6， 折叠底盘 2和折叠轮架 3之间设置连杆 7， 所述伸缩臂 5设有限位行程 ， 折叠底盘 2与前把架 1轴连接， 折叠轮架 3与折叠底盘 2轴连接， 折叠底盘 2能够 向着前把架 1轮廓内闭合， 折叠轮架 3能够向着折叠底盘 2底面闭合， 整车折叠过 程通过电机驱动完成。 驱动电机 4与底盘之间设置倾斜夹角， 伸缩臂 5在顶起底 盘吋省力、 灵活、 做功少； 所述倾斜夹角为 39°-48°， 在这个角度范围内， 伸缩 臂 5的工作效率大为提高， 效果最佳。
[0026] 所述伸缩臂 5设有齿牙 8， 通过与齿牙 8啮合的齿轮 9连接锁销 6， 所述锁销 6设有 与齿轮 8啮合的齿牙； 所述伸缩臂 6设置凸柱 10， 所述凸柱 10设有活动行程 11， 该活动行程 11是为锁销 6从所述锁定装置的销孔 12内拔出的预留行程； 所述锁定 装置包括设置于轴座 13的销孔 12， 所述锁销 6设置于底盘 2底部。
[0027] 正常骑行吋整车处于展幵状态， 此吋设置于底盘 2的锁销 6插在轴座 13的销孔 12 内， 底盘 2和前把架 1固定在一起； 连杆 7把折叠底盘 2和折叠轮架 3固定在一起。 由展幵状态折叠， 按动电源幵关幵启电机电源， 驱动电机 4正转， 伸缩臂 5做伸 长运动， 凸柱 10沿活动行程 11运动， 伸缩臂 5所设的齿牙 9啮合齿轮 9转动， 齿轮 9啮合锁销 6所设的齿牙将锁销 6由销孔 12内拨出， 当凸柱 10运动至活动行程 11末 端恰好锁销 6完全从销孔 12内拨出， 折叠底盘 2与前把架 1解锁， 底盘 2能够折叠 ； 凸柱 10运动至活动行程 11末端吋运动受阻， 但在驱动电机 4驱动力作用下伸缩 臂 5继续做伸长运动， 折叠底盘 2在连杆 7的牵连作用下被不断伸长的伸缩臂 5渐 渐顶起， 同吋轴连接的连杆 7也渐渐带动折叠轮架 3向着底盘 2底面闭合， 渐渐顶 起的折叠底盘 2向着前把架 1闭合， 底盘 2与车把架 1闭合的同吋， 折叠轮架 3也随 之折叠完成并贴合于底盘 2底面， 整车折叠到位吋电机自动断电。
[0028] 由折叠状态展幵， 再次按动电源幵关幵启电机电源， 驱动电机 4反转， 伸缩臂 5 做回缩运动， 折叠底盘 2在连杆 7牵连作用下与前把架 1渐渐分幵， 向下运动的同 吋连杆 7带动折叠轮架 3与底盘 2渐渐分幵， 整车渐渐被自动展幵； 当驱动电机 4 回到原来的位置吋， 在驱动电机 4驱动力作用下伸缩臂 5继续做回缩运动， 凸柱 1 0也从活动行程 11末端回缩， 同吋伸缩臂齿牙 8啮合齿轮 9转动， 齿轮 9啮合锁销 6 所设的齿牙将锁销 6推入销孔 12内， 折叠底盘 2与前把架 1锁定， 整车车架伸展完 成到位吋电机自动断电， 连杆同吋又把折叠底盘 2和折叠轮架 3固定在一起。
[0029] 较优选的， 所述驱动电机 4设置减速齿轮 14带动一对丝杠 15螺母 16， 减速齿轮 1 4能够将驱动电机 4的转动减速， 使得驱动电机 4转速与伸缩 5臂的运动速度相配 合， 丝杠 15螺母 16能够把驱动电机 4的旋转运动变成直线运动， 电机轴连接丝杠 15做旋转运动， 与丝杠 15配合的螺母 16做直线运动， 螺母 16连接伸缩臂 5带动伸 缩臂 5做直线运动， 伸缩臂 5的伸展或回缩带动齿轮 9将锁销 6由销孔 12内拨出或 推入。
[0030] 较优选的， 所述驱动电机 4设置微动幵关 19， 微动幵关 19连接控制中枢 20和电 机电源， 当螺母 16运动至行程末端， 触发微动幵关 19， 微动幵关 19感应到该触 发信号并发送至控制中枢 20， 控制中枢 20控制驱动电机 4断电， 伸缩臂 5停止运 动； 当螺母 16回缩运动至行程始端， 触发该端微动幵关， 驱动电机 4也同样断电 。 在折叠过程中， 驱动电机 4正转驱动伸缩臂 5不断伸长， 当整车车架折叠完成 ， 螺母 16运动至行程末端， 触发微动幵关驱动电机 4自动断电， 停止运动； 由折 叠状态展幵， 再次幵启电机电源， 驱动电机 4反转驱动伸缩臂 5不断回缩， 当整 车伸展完成吋， 螺母 16运动至行程起始端， 触发微动幵关驱动电机 4断电， 再次 停止运动。
[0031] 所述连杆 7通过连杆臂 17分别轴连接前把架 1、 折叠底盘 2和折叠轮架 3， 连杆臂
17的汇集端通过活动轴 18连接在一起， 连杆臂 17的设置能够实现折叠底盘 2与折 叠轮架 3的自动同步折叠与展幵。
[0032] 所述折叠关节设有阻尼器， 提高相关部件的使用寿命， 折叠过程更为柔和， 防 止大力折叠的碰撞损伤。
[0033] 所述前把架 1设置电池电源， 用于整车的动力驱动， 电源安置安全可靠， 防水 防尘。
[0034] 本技术方案实现整车一键自动化折叠， 电机驱动较为省力， 折叠过程更加快捷 高效。
[0035] 需要指出的是， 上述实施方式仅是本实用新型优选的实施例， 对于本技术领域 的普通技术人员来说， 在符合本实用新型工作原理的前提下， 任何等同或相似 的替换均落入本实用新型的保护范围。

Claims

权利要求书
[权利要求 1] 一种用于健身娱乐的折叠式自行车， 包括前把架、 折叠底盘和折叠轮 架， 其特征在于， 所述前把架设置电池电源， 用于整车的动力驱动， 折叠底盘设置带有倾斜夹角的驱动电机， 驱动电机伸缩臂设有齿牙， 通过与齿牙啮合的齿轮连接锁定装置的锁销， 所述锁销设有与齿轮啮 合的齿牙， 折叠底盘和折叠轮架之间设置连杆， 所述伸缩臂设有限位 行程， 折叠关节设有阻尼器。
[权利要求 2] 根据权利要求 1所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述限位行程包括设置于伸缩臂的凸柱， 所述凸柱设有活动行程
[权利要求 3] 根据权利要求 2所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述活动行程是为锁销从所述锁定装置的销孔内拔出的预留行程
[权利要求 4] 根据权利要求 1所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述倾斜夹角为 39°-48°。
[权利要求 5] 根据权利要求 1所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述驱动电机设置减速齿轮带动一对丝杠螺母， 螺母连接伸缩臂
[权利要求 6] 根据权利要求 1所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述驱动电机设置微动幵关， 微动幵关连接控制中枢和电机电源
[权利要求 7] 根据权利要求 1所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述连杆通过连杆臂分别轴连接前把架、 折叠底盘和折叠轮架， 连杆臂的汇集端通过活动轴连接在一起。
[权利要求 8] 根据权利要求 1所述的一种用于健身娱乐的折叠式自行车， 其特征在 于， 所述锁定装置包括设置于轴座的销孔， 所述锁销设置于底盘底部
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