WO2013149394A1 - 双踏板同步全制动脚轮 - Google Patents

双踏板同步全制动脚轮 Download PDF

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Publication number
WO2013149394A1
WO2013149394A1 PCT/CN2012/073562 CN2012073562W WO2013149394A1 WO 2013149394 A1 WO2013149394 A1 WO 2013149394A1 CN 2012073562 W CN2012073562 W CN 2012073562W WO 2013149394 A1 WO2013149394 A1 WO 2013149394A1
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WO
WIPO (PCT)
Prior art keywords
synchronous
brake
main frame
braking
pedals
Prior art date
Application number
PCT/CN2012/073562
Other languages
English (en)
French (fr)
Inventor
揭业冰
Original Assignee
福州施可瑞光电科技有限公司
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 福州施可瑞光电科技有限公司 filed Critical 福州施可瑞光电科技有限公司
Priority to PCT/CN2012/073562 priority Critical patent/WO2013149394A1/zh
Publication of WO2013149394A1 publication Critical patent/WO2013149394A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0028—Construction of wheels; methods of assembling on axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
    • B60B33/0086—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism acting on rim or side portion of tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
    • B60B33/0042—Double or twin wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0047—Castors in general; Anti-clogging castors characterised by details of the rolling axle
    • B60B33/0049—Castors in general; Anti-clogging castors characterised by details of the rolling axle the rolling axle being horizontal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0047—Castors in general; Anti-clogging castors characterised by details of the rolling axle
    • B60B33/0055—Castors in general; Anti-clogging castors characterised by details of the rolling axle the rolling axle intersects swivel axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
    • B60B33/0065—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis
    • B60B33/0068—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis the swivel axis being vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
    • B60B33/0065—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis
    • B60B33/0076—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism characterised by details of the swivel axis the swivel axis being offset laterally from wheel center plane

Definitions

  • the invention relates to a double pedal synchronous full brake caster.
  • the functions and types of casters are also constantly changing for mobile devices used in different industries, such as industrial casters for heavy duty equipment or medical casters for special protective health care equipment.
  • the casters use the single pedal to complete the full-free and full-brake brake modes.
  • When installed on the device for movement due to the equipment 360 ° Full free rotation will drive the pedals of the wheels into the underside of the device's abdomen, resulting in the appearance of blind spots, which will make the device unable to brake when it has to be braked, affecting the use of the casters and the safety of the equipment. This requires overturning the traditional caster structure.
  • the technical solution of the present invention is to provide a double pedal synchronous full brake caster, including a caster main frame, characterized in that: on the central axis of the caster main frame, two pedals for braking or releasing the brake are provided, the two The pedals are oriented in opposite directions, and a synchronous linkage mechanism is provided between the two pedals to enable the two pedals to operate in synchronization.
  • the two sides of the main frame are respectively provided with a wheel piece and a side cover.
  • the shaft hole of the main frame and the shaft hole of the wheel piece are provided with a cross bar, and the main frame is further provided with a longitudinal chute along the main frame.
  • a synchronous brake slider that slides up and down, a return spring is disposed between the upper end of the synchronous brake slider and the inner cavity of the main frame, and the synchronous brake
  • the two sides of the slider are respectively provided with a sector brake rack for braking the wheel
  • the synchronous brake slider is a hollow slider and a long slot is provided in the middle portion for passing through the crossbar, and is located at the synchronous brake
  • the crossbar of the block cavity is sleeved with two opposite synchronous brake pedals, and the two synchronous brake pedals are provided with cam portions for pushing up the synchronous brake slider to slide upward, and the two synchronous brake pedals A synchronization linkage mechanism is provided between them.
  • the caster adopts a double pedal synchronous full brake design, that is, a double pedal synchronous brake structure composed of a guide traction slider, a synchronous traction piece, a synchronous brake slider and the like, when a pedal is pressed
  • a double pedal synchronous full brake design that is, a double pedal synchronous brake structure composed of a guide traction slider, a synchronous traction piece, a synchronous brake slider and the like
  • the other pedal synchronizes to the action of the full brake.
  • the pedal is lifted to release the brake, the other pedal will also move upward. Therefore, no matter which pedal is stepped on, the full free and full brake operation can be completed.
  • FIG. 1 is a perspective view showing the structure of a two-pedal synchronous full brake caster according to an embodiment of the present invention.
  • FIG. 2 is an exploded view of a dual pedal synchronized full brake caster in accordance with an embodiment of the present invention.
  • FIG. 3 is a schematic view showing the structure of a brake main body of a two-pedal synchronous full brake caster according to an embodiment of the present invention.
  • 4 is a front view showing the structure of a double pedal synchronous full brake caster according to an embodiment of the present invention;
  • Figure 5 is a cross-sectional view taken along line A - A of Figure 4.
  • the double pedal synchronous full brake caster of the present invention comprises a caster main frame, and two pedals for braking or releasing the brake are arranged on the central axis of the caster main frame, the two pedals are opposite in direction, and in the two pedals A synchronous linkage mechanism is provided to enable the two pedals to operate in synchronization.
  • the two sides of the main frame 1 are respectively provided with a wheel piece 2 and a side cover 3, and the shaft hole 4 of the main frame 1 and the shaft hole 5 of the wheel piece are provided with a cross bar on the main frame 1
  • a synchronous brake slider 7 is also provided which can slide up and down along the longitudinal sliding slot 6 of the main frame 1, and the upper end of the synchronous brake slider 7 and the inner frame cavity
  • a return spring 9 is disposed between the two sides, and the two sides of the synchronous brake slider ⁇ are respectively provided with a sector brake rack 10 for the brake wheel 2, and the synchronous brake slider ⁇ is a hollow slider and the middle portion thereof
  • a long slot 11 for passing through the crossbar is disposed.
  • the crossbar of the inner cavity of the synchronous brake slider 7 is sleeved with two opposite synchronous brake pedals 12, and the two synchronous brake pedals 12 are provided with useful
  • the cam portion 13 that slides the synchronous brake slider 7 upward is provided, and the synchronous linkage mechanism 14 is disposed between the two synchronous brake pedals 12.
  • the synchronous linkage mechanism 14 includes a guiding traction slider 14-1 disposed in the main frame 1 and two synchronous traction pieces 14-2 hinged in the lower portion of the guiding traction slider 14-1.
  • the traction slider 14-1 is slidable up and down along the longitudinal slot 14-3, and the lower ends of the two synchronous traction plates 14-2 are respectively hinged with the corresponding synchronous brake pedals 12.
  • the main frame 1 is further provided with a longitudinal main shaft 15, and the vertical main shaft 15 is provided with a dustproof main shaft cover 16, and the lower end surface of the dust main shaft cover 16 is provided with a plurality of pin holes 16 -1.
  • the upper end portion of the synchronous brake slider 7 is provided with a pin positioning hole 17 and a rotation preventing pin 18 for restricting the rotation of the longitudinal spindle 15, the upper end of the rotation preventing pin 18 and the lower end of the dustproof spindle cover 16
  • the pin hole 16-1 is fitted, and the return spring 9 is fitted over the outer peripheral portion of the rotation preventing pin 18.
  • the single-pedal casters are mounted under the equipment. When the equipment is rotated 360 degrees, the pedals have a three-quarters chance of being within the controllable range (270 degrees), but still have a quarter chance of being within the control dead angle (90 degrees). When replaced with a double-pedal caster for testing, the device rotates 360 degrees. When stopping at any angle, it can ensure that there is always one pedal in the controllable range outside the device, and the brake is not accessible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)

Abstract

一种双踏板同步全制动脚轮，包括脚轮主架（1），主架两侧分别依次设置有轮片（2）和侧盖（3），主架的轴孔（4）与轮片的轴孔（5）中设置有横杆，主架上还设置有可沿主架的纵向滑槽作上下往复滑动的同步刹车滑块（7），同步刹车滑块上端与主架内腔之间设置有复位弹簧（9），同步刹车滑块的两旁侧分别设置有用于制动轮片的扇形制动齿条（10），同步刹车滑块为空心滑块且其中部设置有一用于穿过横杆的长槽孔（11），位于同步刹车滑块内腔的横杆上套置有朝向相反的两同步制动踏板（12），两同步制动踏板上设置有用于顶推同步刹车滑块向上滑动的凸轮部（13），两同步制动踏板之间设置有同步联动机构（14）。该脚轮采用双踏板同步全制动的设计，无论踩踏哪一个踏板，都能完成全自由和全刹车的操作。

Description

双踏板同步全制动脚轮
技术领域
本发明涉及一种双踏板同步全制动脚轮。
背景技术
当人们发明了轮子之后，在移动大型物体时就变得相对简单， 但是早期轮子 的缺陷尤为明显， 即只能直线行走或无法制动， 限制了物体移动时的灵活性和停 下时的安全性，后来人们就发明了带有全自由和制动结构的轮子， 也就是我们现 在所称的脚轮或万向轮。随着科技的不断发展， 越来越多的设备需要在移动中进 行办公和作业， 兼顾设备的多功能性、安全性以及高利用率， 脚轮必然成为了不 可或缺的部件。脚轮的出现虽然给人们的搬运特别是移动物体带来了化时代的效 率革命，但随着客户对脚轮性能的深入认知和使用需求的增加， 对传统脚轮提出 了更高标准的要求， 即脚轮的无盲区操作。
针对不同行业中使用的移动设备，脚轮的功能和种类也在不断发生变化， 例 如： 用在重载负荷的设备的工业脚轮， 或是用在特殊防护的医疗保健设备中的医 疗脚轮等。但是在脚轮的使用的过程中， 传统的脚轮结构存在的弊端也逐渐显现 出来， 脚轮是通过单踏板来完成全自由、全刹车两种制动模式， 安装于设备上进 行移动时， 由于设备 360° 全自由转动， 会带动轮子的踏板进入设备腹部下方， 导致操控盲区的出现， 从而使设备在必须要制动时无法制动， 影响脚轮使用和设 备安全， 这就需要推翻传统的脚轮结构， 开发出一款双踏板同步全制动脚轮。 发明内容
本发明的目的在于提供一种双踏板同步全制动脚轮，该脚轮采用双踏板同步 全制动的设计， 无论踩踏哪一个踏板， 都能完成全自由和全刹车的操作。
本发明的技术方案在于提供一种双踏板同步全制动脚轮，包括脚轮主架， 其 特征在于： 在脚轮主架的中心轴上设置有用于制动或解除制动的两踏板， 所述两 踏板的朝向相反， 且在两踏板之间设置有同步联动机构， 以使两踏板能够同步动 作。
上述主架两侧分别依次设置有轮片和侧盖，所述主架的轴孔与轮片的轴孔中 设置有横杆，所述主架上还设置有可沿主架的纵向滑槽作上下往复滑动的同步刹 车滑块，所述同步刹车滑块上端与主架内腔之间设置有复位弹簧， 所述同步刹车 滑块的两旁侧分别设置有用于制动轮片的扇形制动齿条，所述同步刹车滑块为空 心滑块且其中部设置有一用于穿过横杆的长槽孔，位于同步刹车滑块内腔的横杆 上套置有朝向相反的两同步制动踏板，所述两同步制动踏板上设置有用于顶推同 步刹车滑块向上滑动的凸轮部， 所述两同步制动踏板之间设置有同步联动机构。
本发明的优点在于： 该脚轮采用双踏板同步全制动的设计， 即由导向牵引滑 块、 同步牵引片、 同步刹车滑块等部件组成的双踏板同步制动结构， 当踩下一个 踏板进行全刹制动， 另一个踏板同步发生向下全刹的动作； 将踏板提起进行解刹 制动时， 另一个踏板也会发生向上解刹的动作。 因此， 无论踩踏哪一个踏板， 都 能完成全自由和全刹车的操作。
附图说明
图 1是本发明实施例的双踏板同步全制动脚轮的立体结构示意图。
图 2是本发明实施例的双踏板同步全制动脚轮的爆炸图。
图 3是本发明实施例的双踏板同步全制动脚轮的制动主体结构示意图。 图 4是本发明实施例的双踏板同步全制动脚轮的主视结构示意图
图 5是图 4的 A— A剖视图。
图中： 1主架； 2轮片； 3侧盖； 4轴孔； 5轴孔； 6纵向滑槽； 7同步刹车 滑块； 8主架内腔， 9复位弹簧， 10扇形制动齿条， 11长槽孔； 12同步制动踏 板； 13凸轮部， 14同步联动机构， 14-1导向牵引滑块， 14-2同步牵引片， 14-3 纵向孔槽， 15纵向主轴， 16防尘主轴盖， 16-1销孔， 17插销定位孔， 18止转插 销， 19圆弧槽， 20与圆弧槽配合的凸部。
具体实施方式
为让本发明的上述特征和优点能更明显易懂，下文特举实施例，并配合附图， 作详细说明如下。
本发明的双踏板同步全制动脚轮，包括脚轮主架， 在脚轮主架的中心轴上设 置有用于制动或解除制动的两踏板，所述两踏板的朝向相反， 且在两踏板之间设 置有同步联动机构， 以使两踏板能够同步动作。
具体地讲， 上述主架 1两侧分别依次设置有轮片 2和侧盖 3， 所述主架 1的 轴孔 4与轮片的轴孔 5中设置有横杆，所述主架 1上还设置有可沿主架 1的纵向 滑槽 6作上下往复滑动的同步刹车滑块 7， 所述同步刹车滑块 7上端与主架内腔 8之间设置有复位弹簧 9， 所述同步刹车滑块 Ί的两旁侧分别设置有用于制动轮 片 2的扇形制动齿条 10， 所述同步刹车滑块 Ί为空心滑块且其中部设置有一用 于穿过横杆的长槽孔 11， 位于同步刹车滑块 7 内腔的横杆上套置有朝向相反的 两同步制动踏板 12， 所述两同步制动踏板 12上设置有用于顶推同步刹车滑块 7 向上滑动的凸轮部 13， 所述两同步制动踏板 12之间设置有同步联动机构 14。
在本实施例中， 上述同步联动机构 14包括设置在主架 1内的导向牵引滑块 14-1和铰接在该导向牵引滑块 14-1下部的两同步牵引片 14-2， 所述导向牵引滑 块 14-1可沿纵向孔槽 14-3上下往复滑动，所述两同步牵引片 14-2的下端分别与 相对应的同步制动踏板 12铰接。
在本实施例中， 上述主架 1上还设置有纵向主轴 15， 所述纵向主轴 15上设 置有防尘主轴盖 16， 所述防尘主轴盖 16的下端面均布有若干个销孔 16-1。
在本实施例中， 上述同步刹车滑块 7上端部设置有插销定位孔 17和用于限 制纵向主轴 15转动的止转插销 18， 所述止转插销 18上端与防尘主轴盖 16的下 端的销孔 16-1配合， 所述复位弹簧 9套置在止转插销 18的外周部上。
单踏板的脚轮安装在设备下， 设备 360度转动时，踏板有四分之三的几率处 于可控范围内 (270度)， 但仍然有四分之一的几率处于操控死角内 (90度)； 而换 成双踏板脚轮进行测试， 设备 360度转动， 任意角度停止时， 能保证始终有一个 踏板处于设备的外部的可控范围内， 踩踏制动无障碍。
以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所做的均等变 化与修饰， 皆应属本发明的涵盖范围。

Claims

权利要求书
1. 一种双踏板同步全制动脚轮， 包括脚轮主架， 其特征在于： 在脚轮主架的中 心轴上设置有用于制动或解除制动的两踏板， 所述两踏板的朝向相反， 且在 两踏板之间设置有同步联动机构， 以使两踏板能够同步动作。
2. 根据权利要求 1所述的双踏板同步全制动脚轮， 其特征在于： 所述脚轮主架 两侧分别依次设置有轮片和侧盖， 所述主架的轴孔与轮片的轴孔中设置有横 杆， 所述主架上还设置有可沿主架的纵向滑槽作上下往复滑动的同步刹车滑 块， 所述同步刹车滑块上端与主架内腔之间设置有复位弹簧， 所述同步刹车 滑块的两旁侧分别设置有用于制动轮片的扇形制动齿条， 所述同步刹车滑块 为空心滑块且其中部设置有一用于穿过横杆的长槽孔， 位于同步刹车滑块内 腔的横杆上套置有朝向相反的两同步制动踏板， 所述两同步制动踏板上设置 有用于顶推同步刹车滑块向上滑动的凸轮部， 所述两同步制动踏板之间设置 有同步联动机构。
3. 根据权利要求 2所述的双踏板同步全制动脚轮， 其特征在于： 所述同步联动 机构包括设置在主架内的导向牵引滑块和铰接在该导向牵引滑块下部的两同 步牵引片， 所述导向牵引滑块可沿纵向孔槽上下往复滑动， 所述两同步牵引 片的下端分别与相对应的同步制动踏板铰接。
4. 根据权利要求 2所述的双踏板同步全制动脚轮， 其特征在于： 所述主架上还 设置有纵向主轴， 所述纵向主轴设置有防尘主轴盖， 所述防尘主轴盖的下端 面均布有若干个销孔。
5. 根据权利要求 2或 3所述的双踏板同步全制动脚轮， 其特征在于： 所述同步 刹车滑块上端部设置有插销定位孔和用于限制纵向主轴转动的止转插销， 所 述止转插销上端与防尘主轴盖的下端的销孔配合， 所述复位弹簧套置在止转 插销的外周部上。
PCT/CN2012/073562 2012-04-06 2012-04-06 双踏板同步全制动脚轮 WO2013149394A1 (zh)

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CN108215660A (zh) * 2018-02-12 2018-06-29 开平市鸿星脚轮制造有限公司 一种具有方向刹的脚轮支架
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