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WO2010127549A1 - 一种车把位置调节机构 - Google Patents

一种车把位置调节机构 Download PDF

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Publication number
WO2010127549A1
WO2010127549A1 PCT/CN2010/000498 CN2010000498W WO2010127549A1 WO 2010127549 A1 WO2010127549 A1 WO 2010127549A1 CN 2010000498 W CN2010000498 W CN 2010000498W WO 2010127549 A1 WO2010127549 A1 WO 2010127549A1
Authority
WO
WIPO (PCT)
Prior art keywords
handlebar
riser
handle
lower cover
adjusting mechanism
Prior art date
Application number
PCT/CN2010/000498
Other languages
English (en)
French (fr)
Inventor
韩德玮
吴建华
郑汉信
莫怡平
Original Assignee
Hon David Tak-Wei
Wu Jianhua
Zheng Hanxin
Mo Yiping
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 Hon David Tak-Wei, Wu Jianhua, Zheng Hanxin, Mo Yiping filed Critical Hon David Tak-Wei
Priority to EP10771953.6A priority Critical patent/EP2428439A4/en
Priority to US13/138,946 priority patent/US8590418B2/en
Priority to JP2012508883A priority patent/JP5576931B2/ja
Publication of WO2010127549A1 publication Critical patent/WO2010127549A1/zh

Links

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
    • B62K21/00—Steering devices
    • B62K21/18—Connections between forks and handlebars or handlebar stems
    • B62K21/22—Connections between forks and handlebars or handlebar stems adjustable
    • 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
    • B62K21/00—Steering devices
    • B62K21/12—Handlebars; Handlebar stems
    • B62K21/16—Handlebars; Handlebar stems having adjustable parts therein
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20732—Handles
    • Y10T74/2078—Handle bars
    • Y10T74/20792—Folding or adjustable

Definitions

  • a handlebar position adjustment mechanism TECHNICAL FIELD The present invention relates to a position adjustment mechanism of a bicycle handlebar. BACKGROUND OF THE INVENTION
  • the distance between a bicycle handlebar and a seat cushion has a great influence on the rider's comfort.
  • the rider has different requirements for the distance between the handlebar handle and the seat cushion.
  • the handlebar of the bicycle can be made into a structure with adjustable front and rear direction, and the distance between the handle and the seat cushion can be changed by adjusting the angle of the handlebar to adapt to different riders. Claim.
  • FIG. 1 is a conventional bicycle handlebar position adjusting structure, in which a central portion of a handlebar la is clamped by an upper cover 2a and a lower cover 3a, and a side of the upper cover and the lower cover is hinged by a hinge shaft 4a, and the lower cover and the bicycle are
  • the handlebar riser 5a is fixedly connected, and the tension bolt 8a is penetrated through the upper cover, the lower cover and the vertical pipe, and is screwed on the inclined nut 9a at the bottom of the handlebar riser, and the handlebar riser and the inclined are tightened by tightening the bolt
  • the nut is tightened in the front fork riser, clamped to the front fork riser, and the upper and lower covers clamp the handlebar.
  • the handlebar can be rotated to adjust the inclination angle thereof, thereby adjusting the distance of the handle to the seat cushion to meet the rider's comfort requirement.
  • the tube can also be rotated 180° downwards and rotated about 90° to the left and right, so that the tube is placed close to the plane of the frame to achieve partial folding.
  • the folded pipe must be perpendicular to the front fork riser, which is far from being minimized.
  • the locking of the upper and lower covers and the locking of the handlebar riser and the angled nut are all the same.
  • the tensioning, tightening and lowering of the bolts is also achieved, and the vertical tube and the front fork are also loosened and locked.
  • the outer wall of the inclined nut is processed with a vertical tooth pattern 15a which increases the friction with the inner tube of the front fork, and the vertical tooth pattern is in each tightening process.
  • the front fork pipe wall is worn once. After adjusting the handlebar angle multiple times, the inner wall of the front fork may have a large wear, which may affect the rigidity of the front fork, thereby affecting the safety of the bicycle riding.
  • the central pipe has a vertical pipe with a joint at the bottom, the joint has an upper and lower cover, the upper cover is tightly connected with the vertical pipe, the lower cover is tightly connected to the front fork riser, and the upper and lower covers are spliced to one side with a tool and a locking mechanism that is easy to operate without tools. Therefore, the handlebars can be tightened and the ride can be relaxed. Let the handlebars fold down 180° to reduce the volume.
  • this folding method which has been popular for nearly twenty-five years, is easy to operate, and the optimal position of the tube after folding is selected to some extent by the design of the hinge angle, but there are also serious defects, one is that the tube cannot be adjusted.
  • the front and rear distances are easy to ride, and the second is the high precision of processing, which makes the cost, weight, life and safety aspects are not ideal.
  • the folding handlebars of this method require high strength of the folding joint and high precision of the folding position, so that the folding joint is heavy and the processing cost is high (30-50 sets/yuan).
  • the angle of the bicycle brake lever is generally adjusted to about 0° (the angle with the horizontal plane), which does not meet the requirements of the bicycle standard.
  • the object of the present invention is to provide a low cost, long service life, and the clamping of the handlebar is independent of the fastening between the handlebar riser and the front fork riser, and the handlebar can be easily rotated in the horizontal direction.
  • the vertical direction is the rotation of the shaft, and the handlebar position adjustment mechanism is rigid and safe.
  • the handlebar position adjusting mechanism of the present invention comprises an upper cover, a lower cover and a handlebar riser for gripping the handlebar, and the handlebar riser can be fastened to the front fork by the locking mechanism, and the upper cover of the handlebar is clamped and The lower cover is connected to one side, and the other side is locked to each other by a separate locking mechanism.
  • the top of the handlebar riser has a step, and the lower cover is sleeved outside the handlebar riser and below the top step of the riser.
  • the handlebar position adjusting and folding structure of the present invention has a locking mechanism through which the handlebar riser can be fastened on the front fork, the upper cover and the lower cover of the grip handlebar are connected, and the other side passes
  • the separate locking mechanisms are locked to each other, and the clamping and loosening of the upper and lower covers does not affect the fastening devices of the handlebar riser and the front fork.
  • FIG. 1 is a schematic view of a conventional handlebar position adjustment structure
  • FIG. 2 is a schematic view showing the installation of the handlebar position adjusting structure of the present invention
  • Figure 3 is an exploded view of the handlebar position adjustment structure
  • Figure 4 is a schematic view showing the installation of the handlebar riser and the front fork
  • Figure 5 is a schematic view of the handlebar structure
  • FIG. 6 is a schematic view of the structure of the handlebar
  • Figure 7 is a schematic view of a conventional general-purpose handlebar folding structure.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A handlebar position adjustment structure, as shown in FIG. 2 and FIG. 3, the upper cover 2 and the lower cover 3 of the handlebar handle 1 are hinged to each other through the rotating shaft 4, and the other side is mounted with a phase
  • the locking mechanism for locking the upper and lower covers may be an eccentric rod mechanism 14 commonly used in folding bicycles, which is commonly referred to as a quick release, as shown in FIG. 2, which can be quickly and conveniently locked. And loosening the upper and lower covers; the locking mechanism can also be a bolt, not shown.
  • the lower cover 3 is sleeved under the step outside the handlebar riser 5.
  • the upper surface has four slots 7, and the top end of the handlebar riser 5 has a step 6, and the recess of the lower cover cooperates with the step of the handlebar riser.
  • the handlebar riser is fastened to the front fork riser 10 by a locking mechanism, as shown in Fig. 3, including the oblique nut 9 at the bottom of the handlebar riser and the tensioning bolt 8 in the handlebar riser,
  • the tightening bolt 8 runs through the handlebar riser and is screwed onto the angled nut 9 at the bottom of the handlebar riser.
  • the angled nut and the handlebar riser are tightened in the front fork riser 10 by tightening the tension nut.
  • the handlebar riser is fastened to the front fork riser 10 by a locking mechanism, and the locking mechanism can also be as shown in FIG. Hold the pipe clamp 2e on the outside of the handlebar riser, tighten the pipe clamp bolt 3e, tighten the bolt 4e, and tighten the nut le.
  • the bottom of the handlebar riser has a long strip-shaped notch.
  • the tensioning bolt 8 runs through the handlebar riser and is screwed to the tensioning nut fixed to the front fork riser, so that the handlebar riser is pressed against the head with a suitable force.
  • the tube bearing is then fastened to the front fork riser by tightening the pipe clamp to deform the handlebar riser.
  • the groove on the upper surface of the lower cover and the step on the top of the handlebar of the handlebar may be circular, and the circular step cooperates with the circular groove to rotate. After the locking mechanism is released, the rotation of the handlebar is completed, and the operation is simpler. , Convenience.
  • An upper surface of the circular handle 6 of the handlebar riser and a position corresponding to the gripped handlebar 1 may be provided with an arcuate recess 11 corresponding to the shape of the grip portion of the handlebar, and the upper and lower covers are clamped by the locking mechanism.
  • the handlebar can be embedded in the curved groove, which enables the handlebar to be clamped more reliably and firmly, and the handlebar does not slide due to the external force.
  • the upper surface of the circular step 6 of the handlebar riser and the position of the handlebar 1 to be clamped may be provided with two arc-shaped grooves 11 corresponding to the shape of the grip portion of the handlebar, one groove being 90° with the frame. , the handlebar can be adjusted before the normal riding, the other groove is substantially parallel to the plane of the frame, and the folded position of the handlebar reaches a minimum volume, which can ensure that the handlebar can be in the riding state and the folded state. Reliable clamping without sliding due to external force.
  • an anti-slip structure can be provided between the upper and lower covers and the gripping section of the handlebar riser.
  • a convex tooth 12 may be disposed on the curved groove 11 on the surface of the circular step 6 of the handlebar riser, and the handlebar 1 is provided with a concave tooth 13 engaged with the clamping portion thereof, and the tooth shape through the concave tooth Restricted, the clamped handlebar can be reliably held at the adjusted angle without rotation, even if it is subjected to a large external force, it will not swing, and the handlebar can be fixed more firmly and reliably.
  • the anti-slip structure between the upper and lower covers and the gripping section of the handlebar riser may also be a knurled structure of the curved groove surface and the surface of the grip portion of the handlebar.
  • the anti-slip structure between the upper and lower covers and the gripping section of the handlebar riser may also be an anti-slip rubber pad between the curved groove and the grip portion of the handlebar.
  • the handlebar may be of the structure of Fig. 5, which has a rigid body 2c (such as a pipe member) extending to the left and right sides of the adjustment mechanism and is substantially horizontal and substantially circular or polygonal in cross section.
  • the parts are connected, and the two lower rigid bodies can be bent back and forth at the same time to avoid mutual interference with the car parts (especially the frame) when folding, so that the folding body is smaller in size and better in safety performance.
  • the handlebar can also be of the structure shown in Fig. 6, and includes a T-shaped handle Id, a standpipe 2d and a locking mechanism 3d (which may be an eccentric tie rod mechanism, that is, a quick release).
  • the T-shaped insert is inserted into the standpipe, and the T-shaped handle and the standpipe are fastened by a locking mechanism.
  • the up and down position of the handlebar can be adjusted to make the car more comfortable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)

Description

一种车把位置调节机构 技术领域: 本发明涉及自行车车把的位置调节机构。 背景技术： 自行车车把把手与坐垫间的距离对骑行者的舒适性有很大的影响， 骑行者不 同， 其对车把把手与坐垫的间距要求也会不同。 为使同一自行车能够同时满足不同 骑行者使用的舒适性要求 , 自行车的车把可做成前后方向可调的结构， 通过调节车 把的角度改变把手到坐垫间的距离， 从而适应不同骑行者的要求。 近二十多年来， 折叠自行车大为流行，车把能方便折叠使车子最小化是一个极重要的需求。 图 1为一种现有的自行车的车把位置调节结构， 其车把 la中部由上盖 2a和下 盖 3a夹紧， 上盖和下盖一侧通过铰轴 4a相铰接， 下盖与自行车的车把立管 5a固 定连接， 拉紧螺栓 8a贯穿上盖、 下盖和竖管， 旋于车把立管底部的斜螺母 9a上， 通过旋紧拉紧螺栓， 将车把立管与斜螺母涨紧于前叉立管中， 与前叉立管卡紧， 并 使上盖与下盖将车把夹紧。 松开拉紧螺栓时， 上盖与下盖松开车把， 此时， 可转动 车把调节其倾斜角度，从而调节把手到坐垫的距离，使其满足骑行者的舒适性要求。 并且,把管也可往下旋转 180° ，往左右旋转约 90° ，使把管贴近车架平面，达到部份 折叠的功能。 然而， 折叠后的把管事必与前叉立管垂直，远不能达到最少化目的；再 者，其上、 下盖的锁紧和车把立管与斜螺母的锁紧均由同一拉紧螺栓实现， 拉紧螺 栓松、 紧上、 下盖的同时， 也使竖管和前叉跟随旋松和锁紧。 而为了加强竖管与斜 螺母涨紧于前叉中的可靠性， 斜螺母外壁都会加工有增大与前叉内管间的摩擦的竖 牙紋 15a , 这些竖牙紋在每次涨紧过程中都会磨损前叉管壁一次， 多次调节车把角 度后， 前叉内壁可能会有较大的磨损， 其会对前叉的刚性产生影响， 从而影响自行 车骑行的安全性。 此外，由于同一个螺丝必需同时扮演两个松紧角色，行程需要很大, 根本无法用一般快速锁紧取代以取消手工具的操作。 近二十年来，一般传统折叠自行车通用的车把竖管接头采用如图 7方式,把管中 央有下伸之竖管，其底有接头,接头有上下盖,上盖紧连竖管，下盖紧连前叉立管，上 下盖一边绞接对边有不用工具又易于操作的锁紧机构，从而又可紧固车把乘骑,义 可放松。 让车把往下翻折 180° ，缩小体积。 可是这种风行近二十五年的折叠手段， 固然操作方便，而经由绞链角度的设计而一定程度上选定把管折叠后最佳位置，但 是亦有严重缺欠,一为不能调节把管前后距离以利骑乘，二为加工精度要求偏高，使 造价，重量，寿命和安全各方面都不够理想。 此种方法折叠车把要求折叠接头强度较 高， 折叠位置精度高， 使得折叠接头较重且加工成本较高 （ 30- 50套 /元）。 此结构 为了到折叠体积较小， 自行车闸把角度一般调到 0° 左右（与水平面的夹角）， 不符 合自行车标准要求，为了达到折叠时可以调整闸把角度，必须增加另外机构来实现， 使得操作不方便， 成本要增加 30元左右，重量增加 0. 2KG左右。 发明内容： 本发明的目的在于提供一种成本低、 寿命长、 车把的夹紧与车把立管和前叉立 管间固紧相互独立，车把能方便地以水平方向为轴转动和垂向方向为轴转动， 且刚 性和安全性好的车把位置调节机构。 本发明的车把位置调节机构， 包括夹持车把的上盖、 下盖和车把立管， 车把立 管可通过锁紧机构紧固于前叉上， 夹持车把的上盖和下盖一侧相连接， 另一侧通过 单独的锁紧机构相互锁紧， 车把立管顶部有台阶， 下盖套于车把立管外并且在立管 顶部台阶之下。 本发明所述的车把位置调节及折叠结构， 其车把立管可通过的锁紧机构固于前 叉之上，夹持车把的上盖和下盖一侧相连接，另一侧通过单独的锁紧机构相互锁紧， 上盖与下盖的夹紧和松开与车把立管和前叉的紧固装置互不影响。 调节车把到坐垫 的距离时， 不需要旋紧或者松开车把立管与前义的连接， 直接松开上盖和下盖的锁 紧机构， 以水平为轴转动车把即可， 整个过程不影响车把立管与前叉立管的松紧， 不会出现现有产品中， 斜螺母外牙纹因多次松紧、 反复磨擦而划伤前叉立管内壁， 影响前叉刚性的情况， 反复调节车把位置也不会影响前叉的刚性， 自行车的安全性 能更好。 同时， 当 、开锁紧机构时， 可以垂向为轴整个转动上、 下盖， 可载整个车 把相对车把立管旋转； 自行车在不使用时， 车把可转至与车身大致平行的方向， 以 减小自行车占用的空间。 其可用于折叠自行车上， 在不使用折叠接头的情况下， 将 车把收叠并拢于车架的一侧， 减小自行车折叠后的体积， 折叠自行车车把立管上不 安装折叠， 可加强折叠自行车的刚性和抗震性。 百多年来，把管可调可折是国际业界发明家竭力研究的主要命题之一，专利达 几百项，可都是美中不足.本发明利用全新的观念组合，达到前所未有的成本低（15 元），重量轻（0. 3KG) ,安全的解决方案。 看来简单，却诚然是两轮、 三轮交通工具的 重大突破。 附图说明： 图 1 为一种现有的车把位置调节结构的示意图；
图 2 为本发明的车把位置调节结构的安装示意图；
图 3 为车把位置调解结构的分解示意图；
图 4为车把立管与前叉安装示意图；
图 5 为车把结构示意图；
图 6 为车把结构示意图； 图 7 为一种现有一般通用车把折叠结构示意图。 具体实施方式： 一种车把位置调节结构， 如图 2、 图 3， 其夹持车把 1的上盖 2和下盖 3—侧 通过转轴 4相铰接， 另一侧安装有可将其相锁紧的锁紧机构， 所述将上下盖相旋紧 的锁紧机构可以是折叠自行车中常用的偏心拉杆机构 14 , 即俗称的快拆，如图 2所 示， 其能快速方便的锁紧和松开上、 下盖； 锁紧机构也可以是螺栓， 图中未示出。 下盖 3套于车把立管 5外的台阶下， 其上表面有四槽 7， 车把立管 5的顶端有台阶 6 , 下盖的凹槽与车把立管的台阶相配合。 车把立管通过锁紧机构紧固于前叉立管 10上， 该锁紧机构， 如图 3， 包括车把立管底部的斜螺母 9和车把立管内的拉紧螺 拴 8 , 拉紧螺栓 8贯穿车把立管， 旋于车把立管底部的斜螺母 9上， 通过旋紧拉紧 螺母将斜螺母与车把立管涨紧于前叉立管 10内。 车把立管通过锁紧机构紧固于前叉立管 10上， 该锁紧机构也可以如图 4 , 包括 抱住车把立管外部的管夹 2e , 旋紧管夹螺拴 3e , 拉紧螺拴 4e , 和拉紧螺母 le。 车 把立管的底部有长条形缺口， 拉紧螺拴 8贯穿车把立管， 旋于与前叉立管固定在一 起的拉紧螺母， 使车把立管以合适的力度压在头管轴承上， 然后通过旋紧管夹螺拴 使车把立管变形而紧固于前叉立管上。
下盖上表面的凹槽和车把立管顶部的台阶可为圆形， 圆形台阶与圆形凹槽相配 合可转动， 松开锁紧机构后， 完成车把的转动， 其操作更简单、 方便。
车把立管圆形台阶 6的上表面与所夹持的车把 1位置相应处可设置与车把被夹 持部分形状相应的弧形凹槽 11 , 上、 下盖通过锁紧机构夹持车把时， 车把能够嵌入 弧形凹槽内，其能使车把被夹持得更加可靠与牢固，车把不会因外力的触碰而滑动。
车把立管圆形台阶 6上表面与所夹持的车把 1位置相应处可设置与车把被夹持 部分形状相应的弧形两个凹槽 11 , 一个凹槽与车架成 90° , 使车把正常骑行前可 调整位置， 另一个凹槽大致与车架平面平行， 车把折叠后的位置达到最小的体积， 其能保证车把在骑行状态和折叠状态时均能被可靠的夹持， 不会因外力的触碰而滑 动。
为了保证车把 1能够保持在调整好的角度不变， 上、 下盖与车把立管的夹持段 间可设置防滑结构。如图 3 , 车把立管圆形台阶 6表面的弧形凹槽 11上可设置凸齿 12 , 车把 1被夹持部设置有与之相啮合的凹齿 13 , 通过凹凸齿的齿形限制， 被夹持 的车把能够可靠的保持在所调整的角度不转动， 即使受较大外力的碰撞也不会摆 动， 车把固定更加牢固可靠。 上、 下盖与车把立管的夹持段间的防滑结构也可以为 弧形凹槽表面和车把被夹持部分表面的滾花结构。 上、 下盖与车把立管的夹持段间 的防滑结构还可以为弧形凹槽和车把被夹持部分间的防滑橡胶垫。
为了增加车把强度和刚度， 车把可以是图 5的结构， 其把管左右各有一根刚体 2c (如管件）下伸到调节机构的左右侧并以大致水平且截面大致圆形或多边形的部 位相连， 而且该两下伸刚体可以同时前后弯曲以避开折叠时与车子部件（尤其是车 架） 的相互干涉， 使车子折叠后体积更小、 安全性能更好。
为了使车把上下位置也可调整， 车把也可以是如图 6结构， 包含 T形把 Id , 竖 管 2d和锁紧机构 3d (可以是偏心拉杆机构， 即俗称的快拆）。 T形把插入竖管内， 通过锁紧机构将 T形把和竖管紧固。 通过调节 T形把插入竖管的深度， 可调节车把 的上下位置， 使车子的舒适度更好。

Claims

权利 要求
1、 一种车把位置调节机构， 包括夹持车把的上盖、 下盖和车把立管， 车把立管可 通过锁紧机构紧固于前叉上， 夹持车把的上盖和下盖一侧相连接， 其特征在于： 上盖与下盖的另一侧通过单独的锁紧机构相互锁紧， 车把立管顶部有台阶， 下 盖套于车把立管外并且在车把立管顶部台阶之下。
2、 根据权利要求 1所述的车把位置调节机构， 其特征在于： 所述上盖与下盖的锁 紧机构为偏心拉杆结构。
3、 根据权利要求 1所述的车把位置调节机构， 其特征在于： 车把立管顶部台阶上 面至少有 1条与所夹持车把形状相应的凹槽。
4、 根据权利要求 1所述的车把位置调节机构， 其特征在于： 车把立管顶部台阶上 有两个条与所夹持车把形状相应的凹槽， 一个凹槽与车架平面成 90。 ， 另一个 ϋ槽大致与车架平面平行， 使车把折叠后能紧贴车架， 折叠后体积最小。
5、 根据权利要求 1至 4中任何一项所述的车把位置调节机构， 其特征在于： 上盖 里面有与所夹持车把形状相应的凹槽。
6、 根据权利要求 1所述的车把位置调节机构， 其特征在于： 上、 下盖与车把立管 的夹持段间有防滑结构。
7、 根据权利要求 6所述的车把立管位置调节机构， 其特征在于： 所述防滑结构为 上、 下盖与车把手夹持部分间相互配合的凹凸齿。
8、 根据权利要求 1所述的车把位置调节机构， 其特征在于： 车把管左右各有一根 刚体下伸到调节结构的左右侧并以大致水平且截面大致圆形或多边形的部位相 连， 该两下伸刚体同时向前或向后弯曲。
9、 根据权利要求 1所述的车把位置调节机构， 其特征在于： 所述车把包含 Τ形把、 竖管和锁紧机构， Τ形把插入竖管内， 通过锁紧机构锁紧。
PCT/CN2010/000498 2009-05-04 2010-04-15 一种车把位置调节机构 WO2010127549A1 (zh)

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