WO2009124457A1 - 一种离合踏板机构 - Google Patents

一种离合踏板机构 Download PDF

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Publication number
WO2009124457A1
WO2009124457A1 PCT/CN2009/000308 CN2009000308W WO2009124457A1 WO 2009124457 A1 WO2009124457 A1 WO 2009124457A1 CN 2009000308 W CN2009000308 W CN 2009000308W WO 2009124457 A1 WO2009124457 A1 WO 2009124457A1
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WO
WIPO (PCT)
Prior art keywords
pedal
bracket
spring
clutch
guide
Prior art date
Application number
PCT/CN2009/000308
Other languages
English (en)
French (fr)
Inventor
于炳光
Original Assignee
Yu Bingguang
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 Yu Bingguang filed Critical Yu Bingguang
Publication of WO2009124457A1 publication Critical patent/WO2009124457A1/zh

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches

Definitions

  • the utility model relates to the field of automobile clutch control, in particular to a clutch pedal mechanism.
  • the clutch pedal mechanism of the car currently on the market is widely used as a spring booster. Although it has the advantages of simple structure, compact arrangement, and pedal backing, it has a small boosting effect and requires a large pedaling force. Used, this leads to increased driver fatigue in use, especially for female drivers.
  • the utility model aims to provide a clutch pedal mechanism, which is provided with a spring assist mechanism between the pedal arm and the bracket by means of the structure and spatial arrangement of the original clutch pedal, and a guide hole is added to increase the assisting effect of the power assist mechanism, thereby reducing the need
  • the force required to clutch the pedal reduces the fatigue of the driver.
  • a clutch pedal mechanism including a bracket, a pedal rotating shaft mounted on the bracket, a pedal arm mounted on the pedal rotating shaft, a pedal installed at the end of the pedal arm, and a pedal arm and the bracket installed
  • the spring assist mechanism has a guide shaft mounted on one end of the spring assist mechanism, and a guide hole is arranged on the pedal arm or the bracket, and the guide shaft is installed in the guide hole.
  • the spring assist mechanism is composed of a base, a movable rod and a power assist spring. One end of the movable rod is installed in the base, and the other end of the movable rod is mounted with a guide shaft, and the assist spring is a compression spring.
  • the guiding hole is an oblong hole, and the inner surface of both end faces of the oblong hole is a semi-cylindrical surface.
  • the inner surface of the side between the end faces of the guide hole away from the spring assist mechanism is a curved surface.
  • a U-shaped fork is disposed at one end of the movable rod away from the base, and a guide shaft is installed in the middle of the U-shaped fork. Install the scroll wheel on the guide shaft.
  • a clutch master cylinder is arranged on the bracket, a hydraulic rod is mounted on the clutch master cylinder, a hydraulic rod and a pedal arm hinge are arranged, and a guide hole is arranged on the clutch master cylinder.
  • the upper limit frame and the lower limit position frame are respectively mounted on the bracket, the upper limit position frame is located on the upper side of the pedal arm, and the lower limit position frame is located on the lower side of the pedal arm.
  • the utility model has the advantages that: the guide hole, the guide shaft and the like are added, the power assisting arm of the spring assisting mechanism is increased, the boosting effect of the spring assisting mechanism is improved, and the force required for the clutch pedal is reduced; the guiding hole adopts a long round hole to ensure the assisting effect. Obvious; based on the original clutch pedal structure, reducing production costs.
  • the utility model has the advantages of low production cost, good power assisting effect and the like. BRIEF DESCRIPTION OF THE DRAWINGS FIG.
  • FIG. 1 is a front perspective view of a pedal in an initial position according to an embodiment of the present invention
  • FIG. 2 is a rear view of FIG. 1
  • FIG. 3 is a pedal of the embodiment of the present invention reaching the lowest end.
  • Time FIG. 4 is a schematic view showing the structure of the second embodiment of the present invention
  • FIG. 5 is a front view of the second embodiment of the present invention; Schematic.
  • the main structure of the utility model is: a clutch pedal mechanism, comprising a bracket 1 , a pedal rotating shaft 11 is mounted on the bracket 1 , a pedal arm 3 is mounted on the pedal rotating shaft 11 , a pedal 10 is mounted on the end of the pedal arm 3 , the pedal arm 3 and the bracket are mounted A spring assist mechanism 5 is mounted, a spring assist mechanism 5 is mounted on the guide shaft 9, and the pedal arm 3 or the bracket 1 is provided with a guide hole 7 in which the guide shaft 9 is mounted. The guide shaft 9 moves in the guide hole 7 as the pedal arm 3 rotates.
  • the utility model increases the force arm between the spring assisting mechanism 5 and the pedal rotating shaft 11 by providing the guiding hole 7 and the guiding shaft 9 and the like, thereby improving the assisting effect of the spring assisting mechanism 5, compared with the previous spring assisting mechanism.
  • the booster effect can be increased by 50%.
  • the spring assist mechanism 5 can have various structures, for example, a sleeve spring structure or the like can be used.
  • the utility model discloses a preferred spring assisting structure, which is composed of a base 14, a movable rod 13 and a boosting spring 12.
  • the movable rod 13 is installed in the base 14 at the other end, and the other end of the movable rod 13 is mounted with a guide shaft 9, and the movable rod 13 can be moved up and down in the base 14, and the assist spring 12 is a compression spring.
  • the spring assist mechanism 5 has a simple structure and a good boosting effect.
  • the structure of one embodiment of the present invention is: a guide hole 7 is defined in the bracket 1 , the guide shaft 9 is mounted in the guide hole 7 , and the base 14 is hingedly mounted on the pedal arm 3 on.
  • the bracket 1 is generally a pedal mechanism bracket. If the interior of the vehicle is compact, it may also be a vehicle component such as a front panel that is close to the clutch pedal mechanism and maintains a relative position with the clutch pedal mechanism.
  • the clutch pedal mechanism may also be mounted on the bracket 1
  • only the guide hole 7 is mounted on an automobile part such as a dash panel that is close to the clutch pedal mechanism and maintains a relative position with the clutch pedal mechanism, which is mainly determined by the structure of the vehicle body, and the effect is determined.
  • the boosting effect of the assisting mechanism can be greatly improved.
  • the second embodiment of the present invention has a structure in which a guide hole 7 is formed in the pedal arm 3.
  • the guide shaft 9 is mounted in the guide hole 7, and the base 14 is hingedly mounted on the bracket 1.
  • the pedestal 14 can also be mounted on an automobile component such as a dash panel that is close to the clutch pedal mechanism and maintains a relative position with the clutch pedal mechanism, and the effect is the same as that of the embodiment. Enhance the power of the booster.
  • a guide hole 7 may be respectively formed on the pedal arm 3 and the bracket 1, and a guide shaft 9 is mounted at both ends of the spring assist mechanism 5, and the guide shafts 9 are respectively located in the corresponding guide holes 7.
  • the boosting effect is not as good as the above two embodiments, and the production cost is high and it is not easy to adopt.
  • the guide hole 7 can have various structures, such as a rectangular hole, a circular hole, etc., and the guide hole 7 is made into a round hole, which is an optimal structure.
  • the long round hole is a waist hole, and the inner surface of the both end faces of the long circular hole is a semi-cylindrical surface.
  • the guide shaft 9 moves in the guide hole 7, and the resistance received by the guide shaft 9 can be reduced.
  • the inner surface of the side of the cylindrical half end of the guide hole 7 away from the spring assist mechanism 5 is set as a curved surface.
  • the arc surface is tangent to the arc surface at both ends of the oblong hole.
  • the assist spring 12 is a compression spring
  • the guide shaft 9 is always placed on the side of the guide hole 7 away from the other end of the spring assist mechanism 5 by the spring thrust, so in order to save material, the guide hole 7 can be located close to the spring assist device 5.
  • the side surface is directly placed in an open state, so that the use of the entire structure is not affected, so that the manufacturing of the guide hole 7 is simple.
  • a U-shaped fork 15 is disposed at one end of the movable rod 13 away from the base 14, and the guide shaft 9 is mounted in the middle of the U-shaped fork 15.
  • a rolling wheel 17 can be mounted on the guide shaft 9.
  • a clutch master cylinder 6 is provided on the bracket 1, as shown in Fig. 6, the hydraulic cylinder 16 is mounted on the clutch master cylinder 6, the hydraulic rod 16 One end is hinged to the pedal arm 3.
  • the hydraulic transmission between the clutch pedal mechanism and the clutch can improve the efficiency of the clutch pedal mechanism to the clutch transmission.
  • the guide hole 9 can be directly formed in the clutch master cylinder 6, which is convenient to install, and the assisting effect is the same as that of the foregoing embodiment.
  • the upper limit bracket 4 and the lower limit bracket 2 are respectively mounted on the bracket 1, and the upper limit bracket 4 is located on the upper side of the pedal arm 3, that is, the upper limit position of the pedal arm 3, the lower limit bracket 2 is located on the lower side of the pedal arm 3, that is, the F-limit position in which the pedal arm 3 is turned down.
  • the guide shaft 9 is subjected to the thrust of the assist spring 12, and the spring assist mechanism 5 pushes the guide shaft 9 at the guide hole 7
  • the guide shaft 9 is located at the end of the guide hole 7 away from the spring assist device 5, which is referred to as the initial end, as shown in Figs. 1, 2, and 5.
  • the force arm between the spring assist mechanism 5 and the pedal rotating shaft 11 of the present invention increases rapidly as the pedal arm 3 rotates downward, thereby improving the assisting effect of the spring assist mechanism 5, so that Reduces the force required by the driver to step on the clutch pedal mechanism, ultimately reducing the driver's fatigue strength and increasing the driver's comfort during driving.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Description

一种离合踏板机构 技术领域
本实用新型涉及汽车离合器控制领域， 具体是一种离合踏板机构。
背景技术
现在市场上汽车已经越来越普及， 但是在使用中一方面消费者对轿车的舒 适性要求越来越高， 尤其是具有较高消费水准的消费者在购买中、 高档的轿车 时， 驾乘的舒适性对他们来说显得越来越重要； 另一方面， 随着大排量、 大功 率的高性能发动机不断应用， 为了传递提升了的引擎扭矩， 离合器弹簧的压紧 力不可避免地要增大， 即驾驶员操作离合器的踏板力也要相应的增大。 所以,、 面对一款中高档的手动档轿车， 尤其是排量大的轿车， 其踏板所需力变大， 轿 车车主的活动范围主要在城市， 现在城市的堵车现象日益严重, 据统计表明： 城市道路的行车， 离合器接合次数为 950次 /100公里。 因此在行驶中驾驶员需 要经常踩下、 松开离合踏板。 这就需要一种操纵轻便的离合踏板机构， 从而减 轻驾驶员的疲劳强度。
但是， 现在市场上的轿车的离合踏板机构广泛采用的是弹簧助力装置， 虽 然它具有结构简单， 布置紧凑， 同时兼有踏板回顶作用等优点， 但是其助力效 果不大， 需要较大踏力才能使用， 这导致在使用中增加了驾驶员疲劳强度， 尤 其是对女性驾驶员更加明显。
发明内容 本实用新型的目的在于提供一种离合踏板机构， 它借助原有离合踏板的结 构及空间布置， 在踏板臂与支架间安装弹簧助力机构， 增设导向孔从而增加助 力机构的助力效果， 减少所需离合踏板所需力， 降低驾驶者疲劳强度。
本实用新型为实现上述目的， 通过以下技术方案实现： 一种离合踏板机构， 包括支架， 支架上安装踏板旋转轴， 踏板旋转轴上安装踏板臂， 踏板臂末端安 装踏板， 踏板臂与支架间安装弹簧助力机构， 弹簧助力机构一端安装导向轴， 踏板臂或者支架上设置导向孔， 导向轴安装在导向孔内。 弹簧助力机构是由基 座、 活动杆和助力弹簧组成， 活动杆一端安装在基座中， 活动杆另一端安装导 向轴， 助力弹簧为压縮弹簧。 导向孔是长圆孔， 长圆孔两端面内表面为半圆柱 面。 导向孔内两端面间远离弹簧助力机构的一侧的内表面为弧面。 活动杆远离 基座的一端设置 U形叉， U形叉中间安装导向轴。 导向轴上安装滚动轮。支架 上设置离合器总泵， 离合器总泵上安装液压杆， 液压杆与踏板臂铰链， 离合器 总泵上设置导向孔。 支架上分别安装上限位架和下限位架， 上限位架位于踏板 臂上侧， 下限位架位于踏板臂下侧。 本实用新型的优点在于： 增设导向孔、 导向轴等部件， 提高弹簧助力机构 的助力力臂， 从而提高弹簧助力机构的助力效果， 降低离合踏板所需力； 导向 孔采用长圆孔， 保证助力效果明显； 以原有离合踏板结构为基础， 降低生产成 本。 本实用新型具有生产成本低； 助力效果好等优点。 附图说明 附图 1是本实用新型实施例之一踏板位于初始位置的主视结构示意图； 附 图 2是附图 1的后视图； 附图 3是本实用新型实施例之一踏板到达最低端时的 后视结构示意图； 附图 4是附图 2中 A向放大结构示意图； 附图 5是本实用新 型实施例之二的主视结构示意图； 附图 6是本实用新型实施例之三的主视结构 示意图。
具体实施方式
本实用新型的主体结构是： 一种离合踏板机构，包括支架 1，支架 1上安装 踏板旋转轴 11， 踏板旋转轴 11上安装踏板臂 3, 踏板臂 3末端安装踏板 10， 踏 板臂 3与支架 1间安装弹簧助力机构 5, 弹簧助力机构 5—端安装导向轴 9， 踏 板臂 3或者支架 1上设置导向孔 7，导向轴 9安装在导向孔 7内。导向轴 9会随 着踏板臂 3转动而在导向孔 7内移动。本实用新型通过设置导向孔 7和导向轴 9 等结构， 增加了弹簧助力机构 5与踏板旋转轴 11间的力臂， 提高了弹簧助力机 构 5的助力效果， 相较以前的弹簧助力机构， 其助力效果可以提高 50%。
本实用新型中， 弹簧助力机构 5可以有多种结构， 例如可以采用套筒弹簧 结构等， 本实用新型公开了一种优选的弹簧助力结构， 由基座 14、活动杆 13和 助力弹簧 12组成， 活动杆 13—端安装在基座 14内， 活动杆 13另一端安装导 向轴 9, 活动杆 13可以在基座 14中上下移动， 助力弹簧 12为压縮弹簧。 这种 弹簧助力机构 5其结构简单， 助力效果好。
如图 1、 图 2、 图 3所示， 本实用新型实施例之一的结构是： 在支架 1上开 设导向孔 7, 导向轴 9安装在导向孔 7内， 基座 14铰链安装在踏板臂 3上。 支 架 1 一般是踏板机构支架， 如果车内空间紧凑， 也可以是前围板等靠近离合踏 板机构且与离合踏板机构保持相对位置不变的汽车部件上， 也可以将离合踏板 机构安装在支架 1上， 只将导向孔 7安装在前围板等靠近离合踏板机构且与离 合踏板机构保持相对位置不变的汽车部件上， 这主要是由车体结构决定， 其效 果与安装在支架 1上一样， 均能大幅提高助力机构的助力效果。
如图 5所示,本实用新型实施例之二的结构是:在踏板臂 3上开设导向孔 7， 导向轴 9安装在导向孔 7内， 基座 14铰链安装在支架 1上。 在本实施例中， 基 座 14也可以安装在前围板等靠近离合踏板机构且与离合踏板机构保持相对位置 不变的汽车部件上， 其效果和本实施例所举效果相同， 均能大幅提髙助力机构 的助力效果。
可以在踏板臂 3和支架 1上分别开设导向孔 7,并在弹簧助力机构 5两端均 安装导向轴 9， 导向轴 9分别位于各自对应的导向孔 7内。但是这种方式，助力 效果不如上述两个实施例效果好， 并且生产成本高， 不易采用。
导向孔 7可以有多种结构， 例如矩形孔、 圆形孔等， 将导向孔 7做成长圆 孔， 为最佳结构， 长圆孔即腰形孔， 长圆孔两端面内表面为半圆柱面。 这样导 向轴 9在导向孔 7内移动， 可以降低导向轴 9所受到的阻力。 为了进一步减少 导向轴 9与导向孔 7内表面的摩擦力， 导向孔 7设置成长圆孔后， 导向孔 7内 两半圆柱形端面间远离弹簧助力机构 5的一侧的内表面设置为曲面， 优选为弧 面， 该面与长圆孔两端圆弧面相切。 由于助力弹簧 12为压缩弹簧， 因此导向轴 9受到弹簧推力始终位于导向孔 7内远离弹簧助力机构 5另一端的侧面上，所以 为了节省材料， 可以在导向孔 7靠近弹簧助力装置 5的位置的侧面直接设成开 口状态， 这样不会影响整体结构使用， 这样导向孔 7的制造简单。
为了保证导向轴 9在导向孔 7内移动时不会出现偏移，在活动杆 13远离基 座 14的一端设置 U形叉 15, U形叉 15中间安装导向轴 9。
为了减少导向轴 9与导向孔 7间摩擦， 可以在导向轴 9上安装滚动轮 17。 在一些大排量汽车中，为了减少离合器传输到离合踏板的踏板力，在支架 1 上设置离合器总泵 6， 如图 6所示， 离合器总泵 6上安装液压杆 16， 液压杆 16 一端与踏板臂 3铰链。 离合踏板机构与离合器间采用液压传动， 可以提高离合 踏板机构向离合器传动的效率。 本实施例中， 可以直接在离合器总泵 6上开设 导向孔 9, 这样安装方便， 并且助力效果和前述实施例相同。
为了防止踏板臂 3超过其最大行程， 在支架 1上分别安装上限位支架 4和 下限位支架 2, 上限位支架 4位于踏板臂 3上侧， 即踏板臂 3上转的上限位置， 下限位支架 2位于踏板臂 3下侧， 即踏板臂 3下转下的 F限位置。
本实用新型使用中，未踩下踏板 10时， 由于弹簧助力机构 5的助力弹簧 12 为压缩状态， 导向轴 9受到助力弹簧 12的推力， 此时弹簧助力机构 5推动导向 轴 9位于导向孔 7的一侧， 导向轴 9位于导向孔 7中远离弹簧助力装置 5的一 端， 称其为初始端， 如图 1、 图 2、 图 5所示。 当踩下踏板 10时， 随着踏板臂 3 的旋转下移， 弹簧助力机构 5随之转动， 从而带动导向轴 9在导向孔 7内从初 始端开始移动，当踏板 10到达下限位置之前的某一位置，约踏板行程的 1/2处， 此时弹簧助力机构 5推动导向轴 9到达导向孔 7的另一侧， 称其为终止端， 如 图 3所示。 相对于普通离合踏板机构， 本实用新型中弹簧助力机构 5与踏板旋 转轴 11间的力臂， 随着踏板臂 3旋转下移迅速增大， 从而提高了弹簧助力机构 5的助力效果，这样可以降低驾驶者踩离合踏板机构所需的力，最终降低驾驶者 的疲劳强度， 增加驾驶员驾驶中的舒适程度。

Claims

权 利 要 求
1、一种离合踏板机构，包括支架（1 ),支架（1 )上安装踏板旋转轴（11)， 踏板旋转轴（11)上安装踏板臂 （3)， 踏板臂 （3)末端安装踏板（10)， 其特 征在于：踏板臂（3)与支架（1)间安装弹簧助力机构（5)， 弹簧助力机构（5) 一端安装导向轴（9), 踏板臂 (3)或者支架 （1)上设置导向孔（7), 导向轴
(9)安装在导向孔（7) 内。
2、 根据权利要求 1所述的一种离合踏板机构， 其特征在于： 弹簧助力机 构 （5) 是由基座 （14)、 活动杆（13)和助力弹簧（12) 组成， 活动杆（13) 一端安装在基座（14)中，活动杆（13)另一端安装导向轴（9),助力弹簧（12) 为压缩弹簧。
3、 根据权利要求 1所述的一种离合踏板机构， 其特征在于： 导向孔（7) 是长圆孔， 长圆孔两端面内表面为半圆柱面。
4、 根据权利要求 3所述的一种离合踏板机构， 其特征在于： 导向孔（7) 内两端面间远离弹簧助力机构 （5) 的一侧的内表面为弧面。
5、 根据权利要求 2所述的一种离合踏板机构， 其特征在于： 活动杆（13) 远离基座（14)的一端设置 U形叉（15)， ϋ形叉（15)中间安装导向轴（9)。
6、 根据权利要求 5所述的一种离合踏板机构， 其特征在于： 导向轴（9) 上安装滚动轮（17)。
7、根据权利要求 1或 3所述的一种离合踏板机构，其特征在于：支架（1 ) 上设置离合器总泵（6), 离合器总泵（6)上安装液压杆（16)， 液压杆（16) 与踏板臂 （3)铰链， 离合器总泵（6)上设置导向孔（7)。
8、 根搪权利要求 7所述的一种离合踏板机构， 其特征在于： 支架（1)上 分别安装上限位架（4)和下限位架（2),上限位架（4)位于踏板臂（3)上侧， 下限位架（2)位于踏板臂（3)下侧。
PCT/CN2009/000308 2008-04-10 2009-03-23 一种离合踏板机构 WO2009124457A1 (zh)

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