WO2016206262A1 - 一种转轮 - Google Patents

一种转轮 Download PDF

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Publication number
WO2016206262A1
WO2016206262A1 PCT/CN2015/092760 CN2015092760W WO2016206262A1 WO 2016206262 A1 WO2016206262 A1 WO 2016206262A1 CN 2015092760 W CN2015092760 W CN 2015092760W WO 2016206262 A1 WO2016206262 A1 WO 2016206262A1
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WO
WIPO (PCT)
Prior art keywords
plate
rotating shaft
wheel
support frame
hole
Prior art date
Application number
PCT/CN2015/092760
Other languages
English (en)
French (fr)
Inventor
赵江宜
Original Assignee
福州华鹰塑胶模具有限公司
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.)
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Publication date
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Application filed by 福州华鹰塑胶模具有限公司 filed Critical 福州华鹰塑胶模具有限公司
Publication of WO2016206262A1 publication Critical patent/WO2016206262A1/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

Definitions

  • the utility model relates to the field of seat design, in particular to a runner capable of automatic braking.
  • the technical problem to be solved by the present invention is to provide a revolving wheel to solve the problem that no one rides on the reeling wheel.
  • the utility model is realized as follows: a rotating wheel, the rotating wheel comprises a support frame, a compression spring, a rotating shaft, a wheel cover and a plug-in plate, wherein the support frame is hollow to form a plug-in movable cavity, a compression spring and The inserting plate is placed in the movable cavity of the inserting plate, one end of the compression spring abuts against the wall of the movable cavity of the inserting plate, and the other end of the compression spring abuts against the inserting plate, the supporting frame is further provided with a shaft hole, the shaft hole and The movable cavity of the inserting plate is vertical and connected, and the axial hole forms a mouth on the side wall of the support frame; the inserting plate is provided with a through hole, the position of the through hole corresponds to the position of the opening, and the rotating shaft passes through the shaft hole and the inserting plate The upper through hole, the diameter of the rotating shaft is smaller than the height of the opening; the wheel cover is disposed at two ends of the rotating
  • the wheel cover includes a hub and a wheel surface
  • the center of the hub is fixed at two ends of the rotating shaft
  • the hub plane is perpendicular to the rotating shaft
  • the circumference of the hub extends to one side of the supporting frame to form a wheel surface.
  • One side of the inner diameter of the wheel surface is a friction wheel plate;
  • the side wall of the support frame further extends from the side of the hub to the support plate, and the support plate and the friction wheel plate partially overlap in the direction of the vertical rotation axis, and the support plate faces the friction wheel plate.
  • the distance from the end face to the lower end of the side wall of the same side support frame is greater than or equal to the end face of the friction wheel plate facing the support plate to the rotating shaft The distance from the lower endpoint.
  • the friction plate has an arc shape, and the radius of the friction plate is the same as the inner diameter of the wheel surface.
  • the bottom of the support frame is provided with a fitting opening for allowing the insertion plate to pass, and the insertion plate includes two shaft holes, and the shaft holes are vertically symmetrical.
  • the support frame includes a top cover, and the top cover has a circular arc shape, and is disposed above the chamber, wherein a center of the circular arc is at a rotation center of the rotating shaft; the top cover is further connected to the pin, The pin is used to mount the runner on the seat.
  • two ends of the rotating shaft are respectively provided with two adjacent annular grooves, and the annular groove is disposed around the side of the rotating shaft, and two adjacent rings surrounding the inner side of the shaft hole are disposed in the shaft hole of the wheel cover.
  • a strip, the annular strip is placed in the annular groove.
  • the utility model has the following advantages: the spring is pushed out by the design spring, and the rotating shaft is driven against the lower end of the boring, which increases the rotational frictional force of the rotating shaft, prevents the rotation of the rotating shaft, and reaches the natural state of the rotating wheel. The technical effect of braking.
  • FIG. 2 is a side view of the support frame of the present invention
  • FIG. 3 is a side view of the plug-in board of the present invention.
  • FIG. 1 is a structural schematic view of a rotating wheel of the present invention.
  • the figure shows a sectional structure of a vertical plane in which the axis of symmetry of the rotating shaft 4 of the rotating wheel is located;
  • the rotating wheel comprises a support frame 1, a compression spring 2, a rotating shaft 4, a wheel cover 5 and a plug-in plate 3.
  • the inside of the support frame is hollow to form a plug-in movable cavity 11, and the compression spring and the inserting plate are placed in the movable cavity of the inserted plate.
  • the support frame is further provided with a shaft hole, and the shaft hole is perpendicular to the movable cavity of the card And communicating, the shaft hole forms a rake 12 on the side wall of the support frame;
  • the inserting plate 3 is provided with a through hole 31, the through hole position corresponding to the position of the rake, the rotating shaft 4 passing through the shaft hole and the plug board
  • the through hole, the diameter of the rotating shaft is smaller than the height of the opening; the wheel cover is disposed at two ends of the rotating shaft protruding from the supporting frame.
  • the compression spring always provides an outwardly extending restoring force to the original length, so that the insertion plate 3 moves downward, and the through hole 31 of the insertion plate drives the axial movement downward until the abutment
  • the spring force of the spring increases the pressure of the rotating shaft against the lower end of the cymbal, thereby increasing the rotational friction force and achieving the effect of braking the shaft.
  • the gravity is generally greater than the spring force of the spring, and the downward movement of the support frame forces the spring to be further compressed, and the shaft is disengaged from the mouth.
  • the friction state at the lower end allows the shaft to rotate freely.
  • the wheel cover includes a hub 51 and a wheel surface 52.
  • the center of the hub is fixed at two ends of the rotating shaft 4, the hub plane is perpendicular to the rotating shaft, and the circumference of the hub extends to one side of the supporting frame to form a wheel surface 52.
  • the inner side of the wheel surface 52 is a friction wheel plate; as can be seen from FIG. 2 , the side wall of the support frame also extends from the side of the hub out of the support plate 13, as shown in FIG. 1, the support plate and the friction
  • the wheel plates partially overlap in the direction of the vertical axis of rotation, The distance from the end surface of the support plate toward the friction wheel plate to the lower end point of the side wall bracket of the same side support frame (ie, the line segment b shown in FIG.
  • the increase in pressure between the tread and the support plate also results in an increase in the static friction between the tread and the support plate, so that in the natural state, the runner is in a braking state.
  • the upper end surface of the support plate has an arc shape, and the diameter of the arc is equivalent to the inner diameter of the wheel surface, so that it can be better fitted to improve the frictional force.
  • the gravity is generally greater than the spring force of the spring, and the downward movement of the support frame forces the spring to be further compressed, and the rotating shaft drives the wheel cover ( The tread) is disengaged from the frictional state of the upper end of the support so that the reel can rotate freely.
  • the bottom of the support frame is provided with a mounting opening for allowing the insertion plate to pass through.
  • the insertion plate 3 includes two through holes, and the through holes are vertically symmetric.
  • the above design is to facilitate the insertion of the inserting plate 3 into the movable cavity of the inserting plate in the assembly, and the design of two symmetric through holes is to improve the assembly efficiency.
  • the inserting plate is inserted into the movable cavity in any direction, and a through hole is aligned with the cornice. The worker does not need to adjust the direction in which the inserting plate is assembled into the movable cavity in the assembly, thereby improving the assembly efficiency.
  • the support frame includes a top cover, and the top cover has a circular arc shape, and is disposed above the chamber, and a center of the circular arc is at a rotation center of the rotating shaft; Connected to a pin for mounting the wheel on the seat.
  • the seat can be fixed by a fixing member such as a screw nut or the like, and the pin commonly used in the art is used to be freely rotatable in the horizontal direction.
  • two ends of the rotating shaft are respectively provided with two adjacent annular grooves 40, and the annular groove is disposed around the side of the rotating shaft, and the shaft of the wheel cover
  • Two adjacent annular strips 54 are provided in the bore 53 around the inner side of the shaft bore in which the annular strip is placed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Hydraulic Turbines (AREA)

Abstract

一种座椅转轮，包括支撑架（1）、压缩弹簧（2）、转轴（4）、轮盖（5）和插板（3），支撑架（1）内部中空形成插板活动腔（11），压缩弹簧（2）与插板（3）置于插板活动腔（11）中，压缩弹簧（2）的一端抵靠插板活动腔（11）的壁，另一端与插板（3）抵靠；支撑架（1）还设有轴孔，轴孔与插板活动腔（11）垂直且连通，轴孔在支撑架（1）的侧壁形成开口（12）；插板（3）上设有通孔（31），通孔（31）位置与开口（12）位置相对应，转轴（4）穿过轴孔及插板上的通孔（31），该转轴（4）直径小于开口高度；轮盖（5）设置在转轴伸出支撑架（1）的两端。达到了乘坐状态转轴自由转动，人起身之后转轴自动制动的技术效果。

Description

说明书 发明名称：一种转轮
技术领域
[0001] 本实用新型涉及座椅设计领域， 尤其涉及一种能够自动制动的转轮。
背景技术
[0002] 当下在座椅下设置转轮是非常普遍的设计， 加上座椅设置成转椅， 可以方便地 在小范围内 （如办公桌周边） 活动， 深受用户的喜爱， 但若是没有人乘坐的吋 候， 转椅转轮会打滑， 比如用户起身吋会对转椅施加少量向后的力， 却导致转 椅一下子滑出几米远， 不方便人们的使用， 因此需要一种只有人坐在转椅上吋 才能够滑动的转轮， 提高转椅的实用性。
技术问题
[0003] 本实用新型要解决的技术问题， 在于提供一种转轮， 解决没有人乘坐吋转轮打 滑的问题。
问题的解决方案
技术解决方案
[0004] 本实用新型是这样实现的： 一种转轮， 所述转轮包括支撑架、 压缩弹簧、 转轴 、 轮盖和插板， 所述支撑架内部中空形成插板活动腔， 压缩弹簧与插板置于插 板活动腔中， 所述压缩弹簧的一端抵靠插板活动腔的壁， 所述压缩弹簧另一端 与插板抵靠， 所述支撑架还设有轴孔， 轴孔与插板活动腔垂直且连通， 轴孔在 支撑架的侧壁形成幵口； 所述插板上设有通孔， 通孔位置与幵口位置相对应， 所述转轴穿过轴孔及插板上的通孔， 所述转轴直径小于幵口高度； 所述轮盖设 置在转轴伸出支撑架的两端。
[0005] 进一步地， 所述轮盖包括轮毂和轮面， 所述轮毂的中心固定在转轴的两端， 轮 毂平面垂直于转轴， 所述轮毂的圆周向支撑架一侧延伸形成轮面， 所述轮面内 径一侧为摩擦轮板； 所述支撑架的侧壁还向轮毂一侧延伸出支撑板， 支撑板与 摩擦轮板在垂直转轴的方向上部分重叠， 支撑板朝向摩擦轮板的端面至同侧支 撑架侧壁幵口的下端点的距离大于或等于摩擦轮板朝向支撑板的端面至转轴的 下端点的距离。
[0006] 优选的， 所述摩擦板为弧形， 摩擦板的半径与所述轮面的内径相同。
[0007] 进一步地， 所述支撑架底部设有允许插板通过的装配口， 所述插板上包括两个 轴孔， 所述轴孔上下对称。
[0008] 具体的， 所述支撑架包括顶盖， 顶盖为圆弧型， 设置在腔室上方， 所述圆弧的 圆心在转轴的转动中心； 所述顶盖还与插针连接， 所述插针用于将转轮安装在 座椅上。
[0009] 进一步地， 所述转轴的两端分别设有两个相邻的环形槽， 环形槽环绕转轴侧面 设置， 轮盖的轴孔内设置有环绕轴孔内侧面的两个相邻的环形条， 环形条置于 所述环形槽中。
发明的有益效果
有益效果
[0010] 本实用新型具有如下优点： 通过设计弹簧将插板向下推出， 带动转轴抵靠在幵 口下端， 增加了转轴的转动摩擦力， 防止转轴的转动， 达到了转轮在自然状态 下制动的技术效果。
对附图的简要说明
附图说明
[0011] 图 1为本实用新型剖面结构图；
[0012] 图 2为本实用新型支撑架侧视图；
[0013] 图 3为本实用新型插板侧视图。
[0014] 附图标记说明：
[0015] 1、 支撑架；
[0016] 11、 插板活动腔；
[0017] 12、 幵口；
[0018] 13、 摩擦板；
[0019] 2、 压缩弹簧；
[0020] 3、 插板；
[0021] 31、 通孔； [0022] 4、 转轴；
[0023] 5、 轮盖；
[0024] 51、 轮毂；
[0025] 52、 轮面。
实施该发明的最佳实施例
本发明的最佳实施方式
[0026] 为详细说明本实用新型的技术内容、 构造特征、 所实现目的及效果， 以下结合 实施方式并配合附图详予说明。
[0027] 请参阅图 1， 为本实用新型一种转轮的结构示意图， 图中所示的是以转轮中转 轴 4的对称轴所在竖直平面的剖面结构； 如图所示的转轮中， 所述转轮包括支撑 架 1、 压缩弹簧 2、 转轴 4、 轮盖 5和插板 3， 所述支撑架内部中空形成插板活动腔 11， 压缩弹簧与插板置于插板活动腔中， 所述压缩弹簧 2的一端抵靠插板活动腔 的壁， 所述压缩弹簧 2另一端与插板 3抵靠， 所述支撑架还设有轴孔， 轴孔与插 板活动腔垂直且连通， 轴孔在支撑架的侧壁形成幵口 12; 所述插板 3上设有通孔 31， 通孔位置与幵口位置相对应， 所述转轴 4穿过轴孔及插板上的通孔， 所述转 轴直径小于幵口高度； 所述轮盖设置在转轴伸出支撑架的两端。 在某些具体的 实施例中， 压缩弹簧始终向外提供伸长至原长的回复力， 使得插板 3向下运动， 此吋插板的通孔 31带动转轴向下运动， 直至抵靠在支撑架 1的幵口下端， 由于弹 簧的弹力加大了转轴对幵口下端的压力， 因此也增大了转动摩擦力， 达到了制 动转轴的效果。 在另一些实施例中， 外部对支撑架施加向下的压力 （例如人体 的重力） 的情况下， 重力一般大于弹簧的弹力， 支撑架此吋向下运动迫使弹簧 进一步压缩， 转轴脱离与幵口下端的摩擦状态， 使得转轴能够自由旋转。 通过 上述设计， 便达到了乘坐状态转轴自由转动， 人起身之后转轴自动制动的技术 效果。
[0028] 所述轮盖包括轮毂 51和轮面 52， 所述轮毂的中心固定在转轴 4的两端， 轮毂平 面垂直于转轴， 所述轮毂的圆周向支撑架一侧延伸形成轮面 52， 所述轮面 52内 径一侧为摩擦轮板； 从图 2我们可以看到， 所述支撑架的侧壁还向轮毂一侧延伸 出支撑板 13， 又如图 1所示， 支撑板与摩擦轮板在垂直转轴的方向上部分重叠， 支撑板朝向摩擦轮板的端面至同侧支撑架侧壁幵口的下端点 （即图 1所示的线段 b) 的距离大于或等于摩擦轮板朝向支撑板的端面至转轴的下端点 （即图 1所示 线段 a) 的距离。 因此， 在某些实施例中， 当弹簧在自然状态下向下压插板吋， 插板带动转轴进而带动轮盖向下运动， 由于支撑板朝向摩擦轮板的端面至同侧 支撑架侧壁幵口的下端点的距离大于或等于摩擦轮板朝向支撑板的端面至转轴 的下端点的距离， 因而在转轴与幵口进入抵靠状态前， 支撑板与摩擦轮板也会 进入抵靠状态。 轮面与支撑板间压力的增大也导致了轮面与支撑板之间静摩擦 力的增大， 因而在自然状态下， 所述转轮为制动状态。 优选的情况下， 如图 2所 示， 所述支撑板的上端面为弧形， 弧形的直径与轮面的内径相当， 从而能更好 地贴合以提高摩擦力。 在另一些实施例中， 外部对支撑架施加向下的压力 （例 如人体的重力） 的情况下， 重力一般大于弹簧的弹力， 支撑架此吋向下运动迫 使弹簧进一步压缩， 转轴带动轮盖 （轮面） 脱离与支撑板上端的摩擦状态， 使 得转轮能够自由旋转。 通过上述设计， 更好的达到了乘坐状态转轴自由转动， 人起身之后转轴自动制动的技术效果， 进而更好的解决了自然状态下转轮制动 的问题。
[0029] 进一步地， 所述支撑架底部设有允许插板通过的装配口， 如图 3所示， 所述插 板 3上包括两个通孔， 所述通孔上下对称。 上述设计是为了便于在装配吋将插板 3装入插板活动腔， 设计两个对称通孔则是为了提高装配效率， 插板以任意方向 ***活动腔都有一处通孔与幵口对齐， 工人不用在装配吋调整插板装配进活动 腔的方向， 提高了装配效率。
[0030] 在某些具体的实施例中， 所述支撑架包括顶盖， 顶盖为圆弧型， 设置在腔室上 方， 所述圆弧的圆心在转轴的转动中心； 所述顶盖还与插针连接， 所述插针用 于将转轮安装在座椅上。 在某些实施例中， 可以用螺丝螺母等固定件固定在座 椅上， 使用本领域常用的插针是为了能够在水平方向上也能够自由旋转。 通过 上述设计， 该转轮能够方便地装配到座椅上， 提高了本实用新型的实用性。
[0031] 在某些实施例中， 为了增大转轴与轮盖的连接力， 所述转轴的两端分别设有两 个相邻的环形槽 40， 环形槽环绕转轴侧面设置， 轮盖的轴孔 53内设置有环绕轴 孔内侧面的两个相邻的环形条 54， 环形条置于所述环形槽中。 [0032] 以上所述仅为本实用新型的实施例， 并非因此限制本实用新型的专利保护范围 ， 凡是利用本实用新型说明书及附图内容所作的等效结构或等效流程变换， 或 直接或间接运用在其他相关的技术领域， 均同理包括在本实用新型的专利保护 范围内。 本发明的实施方式
[0033] 在此处键入本发明的实施方式描述段落。
工业实用性
[0034] 在此处键入工业实用性描述段落。
序列表自由内容
[0035] 在此处键入序列表自由内容描述段落。

Claims

权利要求书
[权利要求 1] 一种转轮， 其特征在于， 所述转轮包括支撑架、 压缩弹簧、 转轴、 轮 盖和插板， 所述支撑架内部中空形成插板活动腔， 压缩弹簧与插板置 于插板活动腔中， 所述压缩弹簧的一端抵靠插板活动腔的壁， 所述压 缩弹簧另一端与插板抵靠， 所述支撑架还设有轴孔， 轴孔与插板活动 腔垂直且连通， 轴孔在支撑架的侧壁形成幵口； 所述插板上设有通孔 ， 通孔位置与幵口位置相对应， 所述转轴穿过轴孔及插板上的通孔， 所述转轴直径小于幵口高度； 所述轮盖设置在转轴伸出支撑架的两端
[权利要求 2] 根据权利要求 1所述的转轮， 其特征在于， 所述轮盖包括轮毂和轮面
， 所述轮毂的中心固定在转轴的两端， 轮毂平面垂直于转轴， 所述轮 毂的圆周向支撑架一侧延伸形成轮面， 所述轮面内径一侧为摩擦轮板 ； 所述支撑架的侧壁还向轮毂一侧延伸出支撑板， 支撑板与摩擦轮板 在垂直转轴的方向上部分重叠， 支撑板朝向摩擦轮板的端面至同侧支 撑架侧壁幵口的下端点的距离大于或等于摩擦轮板朝向支撑板的端面 至转轴的下端点的距离。
[权利要求 3] 根据权利要求 2所述的转轮， 其特征在于， 所述摩擦板为弧形， 摩擦 板的半径与所述轮面的内径相同。
[权利要求 4] 根据权利要求 1所述的转轮， 其特征在于， 所述支撑架底部设有允许 插板通过的装配口， 所述插板上包括两个轴孔， 所述轴孔上下对称。
[权利要求 5] 根据权利要求 1所述的转轮， 其特征在于， 所述支撑架包括顶盖， 顶 盖为圆弧型， 设置在腔室上方， 所述圆弧的圆心在转轴的转动中心； 所述顶盖还与插针连接， 所述插针用于将转轮安装在座椅上。
[权利要求 6] 根据权利要求 1所述的转轮， 其特征在于， 所述转轴的两端分别设有 两个相邻的环形槽， 环形槽环绕转轴侧面设置， 轮盖的轴孔内设置有 环绕轴孔内侧面的两个相邻的环形条， 环形条置于所述环形槽中。
PCT/CN2015/092760 2015-06-24 2015-10-23 一种转轮 WO2016206262A1 (zh)

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