WO2020233565A1 - 一种制动装置 - Google Patents

一种制动装置 Download PDF

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Publication number
WO2020233565A1
WO2020233565A1 PCT/CN2020/091028 CN2020091028W WO2020233565A1 WO 2020233565 A1 WO2020233565 A1 WO 2020233565A1 CN 2020091028 W CN2020091028 W CN 2020091028W WO 2020233565 A1 WO2020233565 A1 WO 2020233565A1
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Prior art keywords
braking
driving
brake
area
movable part
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PCT/CN2020/091028
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English (en)
French (fr)
Inventor
王金虎
Original Assignee
Wang Jinhu
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Publication of WO2020233565A1 publication Critical patent/WO2020233565A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/026—Braking members; Mounting thereof characterised by a particular outline shape of the braking member, e.g. footprint of friction lining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical

Definitions

  • the invention belongs to the technical field of braking mechanisms, and particularly relates to a braking device with less heat.
  • Braking devices are used in many fields, the most important ones are automobiles and elevators. At present, there are generally two types of automobile brakes, one is drum brake, the other is disc brake, drum
  • the disadvantage of brakes is that the heat is more serious during the braking process, and the car needs to brake for a long time when the car is going down a long slope. In this way, the brake pads heat seriously and the braking distance becomes longer or the brake failure often occurs; the disc brakes are exposed due to exposure.
  • its heat dissipation effect will be better than drum brake braking, but its structure is too complex and costly, and it will also be greatly affected by the high temperature of the brake disc in summer, which affects its braking distance.
  • Drum brakes and disc brakes generate heat mainly due to the large friction points, which are surface-to-surface friction, which causes most of the surface of the brake part to be rubbed, which causes the product temperature to rise.
  • the technical problem to be solved by the present invention is to provide a braking device.
  • a braking device the device includes a movable part, the movable part is provided with a braking part, and also includes a braking part for preventing the movement of the movable part, the braking part is a rotating part, and the braking part rotates when the braking part brakes , The outer wall of the brake member conflicts with the brake part.
  • the brake has a braking area and a natural area. In the natural state, there is a gap between the natural area and the braking part; the braking area rotates to conflict with the braking part in the braking state.
  • the distance from the outer wall of the natural area to the point of rotation of the brake is smaller than the distance from the outer wall of the brake area to the point of rotation of the brake, and the distance difference is gradually increasing, and the outer wall of the brake and the movable part of the brake during braking The distance between the braking parts gradually decreases.
  • the driving mechanism includes a driven gear that is coaxially arranged with the braking member and a driving member for driving the driven gear to rotate.
  • the driven gear and the driving member are both mounted on the carrier member. Gear meshing.
  • the driving member is a rack and further includes a driving gear for driving the driving member to move, the driving gear meshes with the driving member, and the driving gear is mounted on the carrier member.
  • the driving part includes a first rack part meshing with the two passive gears respectively, and the two first rack parts are connected with each other.
  • the cross bar, the driving member further includes a second rack portion, the second rack portion meshes with the driving gear, and the second rack portion is connected to the cross bar.
  • the movable part is a rotating part, and when the movable part is applied to the wheel, the movable part rotates with the wheel.
  • the braking member is a cam.
  • the braking member is a circular roller, and the circular roller is eccentrically mounted on the carrier member.
  • It also includes a resetting part for driving the resetting of the driving part, one end of the resetting part is connected to the driving part, and the other end is connected to the carrier part.
  • the present invention adopts a similar cam structure for braking.
  • the brake is tightened as the brake is tightened, reducing the braking distance. While the braking distance is reduced, the friction between the braking part and the braking part is also reduced. The less there will be, there will be no long-lasting friction. Further improve the braking performance of the product.
  • Figure 1 is a schematic diagram of the structure of the present invention in a non-braking state
  • Fig. 2 is a schematic structural diagram of the braking state of the present invention.
  • a braking device as shown in Figure 1 and Figure 2 the device includes a movable part 1, a braking part 11 on the movable part 1, and a braking part 2 for preventing the movement of the movable part 1, the braking part 2
  • the movable part 1 is a rotating part.
  • the brake 2 has a braking area 21 and a natural area 22.
  • the natural area 22 is the area where the brake 2 is close to the braking portion 11 when the brake 2 is not braking, and the braking area 21 is stepped on.
  • the brake member 2 is driven to rotate. After the brake member 2 rotates at a certain angle, the brake area 21 contacts the brake portion 11 to produce a braking effect.
  • the distance from the outer wall of the natural area 22 to the rotation point of the brake 2 is smaller than the distance from the outer wall of the brake area 21 to the rotation point of the brake 2, and the distance difference is gradually increasing, and the brake 2 brakes when the brake is braking.
  • the distance between the outer wall of 2 and the braking portion 11 of the movable part 1 gradually decreases.
  • This design can increase the force of the brake after the brake part 2 contacts the brake part 11, which makes it easier to brake, reduces the braking distance, and saves effort when braking.
  • the brakes on the current market are usually When the brake is tighter, the braking force is greater. In the present invention, because the braking part 11 rotates to drive the braking part 2 to the braking direction potential energy, this potential energy can offset a part of the resetting force of the resetting part 7, so that The less force the user needs to brake.
  • the driving mechanism includes a driven gear 3 coaxially arranged with the braking member 2 and a driving member 4 for driving the driven gear 3 to rotate.
  • the driven gear 3 and the driving member 4 are both mounted on the carrier.
  • the driving part 4 meshes with the driven gear 3.
  • the driving member 4 is a rack, and further includes a driving gear 6 for driving the driving member 4 to move.
  • the driving gear 6 meshes with the driving member 4, and the driving gear 6 is mounted on the carrier member.
  • the invention adopts the cooperation of the rack and the gear, so that the driving mechanism does not produce a slip phenomenon, and guarantees the braking effect of the braking device.
  • the driving part 4 includes a first rack part 41 which meshes with the two driven gears 3 respectively.
  • a cross bar 43 is connected between the rack portions 41, the driving member 4 further includes a second rack portion 42, the second rack portion 42 meshes with the driving gear 6, and the second rack portion 42 is connected to the cross bar 43.
  • the braking member 2 is designed as a cam.
  • the convex part of the cam is the braking area 21.
  • the braking area 21 and the braking portion 11 contact.
  • the braking member 2 is a circular roller, and the circular roller is eccentrically mounted on the carrier member 5.
  • the brake member 2 is an eccentrically mounted round roller, the part farther from the outer wall of the brake member 2 to the center point is the brake area 21, and the brake area 21 is in contact with the brake portion 11 during braking.
  • the restoring member 7 is a tension spring, and can also be designed as a torsion spring as required.
  • the torsion spring is designed as a torsion spring, the torsion spring is installed at the position of the driving gear 6.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Transmission Devices (AREA)

Abstract

一种制动装置，该装置包括活动件（1），活动件（1）上具有制动部（11），还包括制止活动件（1）活动的制动件（2），该制动件（2）为转动件，该制动件（2）制动时制动件（2）转动，制动件（2）的外壁与制动部（11）抵触；制动装置的有益效果：采用近似凸轮结构制动，在制动的时候刹车越刹越紧，减少制动距离，制动距离减少的同时制动件（2）与制动部（11）之间的摩擦也就会越少，不会产生长期持续的摩擦，进一步提高产品的制动性能。

Description

一种制动装置 技术领域
本发明属于制动机构技术领域，尤其涉及一种发热较小的制动装置。
背景技术
制动装置在诸多领域都有应用，最主要的是汽车以及电梯等领域，目前汽车制动中一般有两种，一种为鼓式刹车制动，另一种为盘式刹车制动，鼓式刹车制动缺点是在制动过程中发热较为严重，汽车在下长坡的时候需要长时间刹车制动，这样刹车片发热严重制动距离变长或刹车失灵常有发生；盘式刹车由于裸露在外，其散热效果会好于鼓式刹车制动，但是其结构过于复杂、成本较高，并且其在夏天的时候同样会受到刹车盘高温的较大影响，使其制动距离受影响。鼓式刹车和盘式刹车发热原因主要是摩擦点较大，为面与面的摩擦，导致刹车部分的大部分表面都在摩擦，从而导致产品温度上升。
发明内容
本发明所要解决的技术问题是提供一种制动装置。
本发明是通过如下技术方案来实现的：
一种制动装置，该装置包括活动件，活动件上具有制动部，还包括制止活动件活动的制动件，该制动件为转动件，该制动件制动时制动件转动，制动件的外壁与制动部抵触。
该制动件具有制动区域和自然区域，制动件在自然状态下自然区域与制动部之间具有间隙；制动件在制动状态下制动区域旋转至与制 动部抵触。
所述的自然区域外壁至制动件转动点距离小于制动区域外壁至制动件转动点距离，且距离差为逐渐增大，且制动件在制动时制动件的外壁与活动件的制动部之间的距离逐渐缩小。
还包括驱动制动件转动的驱动机构，该驱动机构包括与制动件同轴设置的被动齿轮以及驱动被动齿轮转动的驱动件，被动齿轮以及驱动件均安装在载体件上，驱动件与被动齿轮啮合。
所述的驱动件为齿条，还包括驱动驱动件运动的主动齿轮，主动齿轮与驱动件啮合，所述的主动齿轮安装在载体件上。
所述的制动件为两个，且两制动件的被动齿轮均与驱动件啮合，驱动件包括分别与两被动齿轮啮合的第一齿条部，两第一齿条部之间连接有横杆，驱动件还包括第二齿条部，第二齿条部与主动齿轮啮合，第二齿条部连接在横杆上。
所述的活动件为转动件，活动件应用于车轮时活动件随车轮转动。
所述的制动件为凸轮。
所述的制动件为圆形滚轮，并圆形滚轮偏心安装在载体件上。
还包括驱动驱动件复位的复位件，复位件一端连接在驱动件上，另一端连接在载体件上。
本发明的有益效果：本发明采用近似凸轮结构制动，在制动的时候刹车越刹越紧，减少制动距离，制动距离减少的同时制动件与制动部之间的摩擦也就会越少，不会产生长期持续的摩擦。进一步提高产 品的制动性能。
附图说明
图1为本发明在不制动的状态下的结构示意图；
图2为本发明制动状态的结构示意图。
具体实施方式
下面结合实施例对本发明作进一步说明。
实施例
如图1和图2所示的一种制动装置，该装置包括活动件1，活动件1上具有制动部11，还包括制止活动件1活动的制动件2，该制动件2为转动件，所述的活动件1为转动件，活动件1应用于车轮时活动件1随车轮转动；该制动件2制动时制动件2转动，且制动件2的外壁与制动部11抵触制动。该制动件2具有制动区域21和自然区域22，自然区域22为制动件2不制动的情况下制动件2贴近制动部11的那片区域，制动区域21为踩下制动踏板制动件2外壁与制动部11产生接触后的那片区域，制动件2在自然状态下自然区域22与制动部11之间具有间隙，也就是制动件2在不制动的情况下制动件2与活动件1的制动部11之间不产生接触；制动件2在制动状态下制动区域21旋转至与制动部11抵触。制动踏板踩下后带动制动件2旋转，制动件2旋转一定角度后制动区域21与制动部11接触产生制动效果。
所述的自然区域22外壁至制动件2转动点距离小于制动区域21外壁至制动件2转动点距离，且距离差为逐渐增大，且制动件2在制 动时制动件2的外壁与活动件1的制动部11之间的距离逐渐缩小。该设计能够在制动件2与制动部11接触后抵触力越来越大，从而更容易制动，减少制动距离，而且在制动的时候也更加省力，我们目前市场上的刹车通常在刹车越紧的时候刹车所用的力就越大，而本发明中由于制动部11转动带动制动件2向制动方向的势能，该势能能够抵消一部分复位件7的复位力，从而使得用户刹车所需的力就越小。
还包括驱动制动件2转动的驱动机构，该驱动机构包括与制动件2同轴设置的被动齿轮3以及驱动被动齿轮3转动的驱动件4，被动齿轮3以及驱动件4均安装在载体件5上，驱动件4与被动齿轮3啮合。所述的驱动件4为齿条，还包括驱动驱动件4运动的主动齿轮6，主动齿轮6与驱动件4啮合，所述的主动齿轮6安装在载体件上。本发明采用齿条与齿轮的配合，使得驱动机构不会产生打滑现象，为制动装置的制动效果带来了保障。
所述的制动件2为两个，且两制动件2的被动齿轮3均与驱动件4啮合，驱动件4包括分别与两被动齿轮3啮合的第一齿条部41，两第一齿条部41之间连接有横杆43，驱动件4还包括第二齿条部42，第二齿条部42与主动齿轮6啮合，第二齿条部42连接在横杆43上。
作为另一实施方式，将所述的制动件2设计为凸轮，制动件2为凸轮时凸轮的凸出部分为制动区域21，在制动的时候制动区域21与制动部11接触。
作为另一实施方式，将所述的制动件2为圆形滚轮，并圆形滚轮偏心安装在载体件5上。制动件2为偏心安装的圆形滚轮的时候，制 动件2外壁至中心点较远的部分为制动区域21，在制动的时候制动区域21与制动部11接触。
还包括驱动驱动件4复位的复位件7，复位件7一端连接在驱动件4上，另一端连接在载体件5上。本实施例中复位件7为拉簧，也可以根据需要设计为扭簧，设计为扭簧的时候扭簧安装在主动齿轮6位置。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本领域内普通的技术人员的简单更改和替换都是本发明的保护范围之内。

Claims (10)

  1. 一种制动装置，该装置包括活动件，活动件上具有制动部，其特征在于：还包括制止活动件活动的制动件，该制动件为转动件，该制动件制动时制动件转动，制动件的外壁与制动部抵触。
  2. 根据权利要求1所述的一种制动装置，其特征在于：该制动件具有制动区域和自然区域，制动件在自然状态下自然区域与制动部之间具有间隙；制动件在制动状态下制动区域旋转至与制动部抵触。
  3. 根据权利要求2所述的一种制动装置，其特征在于：所述的自然区域外壁至制动件转动点距离小于制动区域外壁至制动件转动点距离，且距离差为逐渐增大，且制动件在制动时制动件的外壁与活动件的制动部之间的距离逐渐缩小。
  4. 根据权利要求3所述的一种制动装置，其特征在于：还包括驱动制动件转动的驱动机构，该驱动机构包括与制动件同轴设置的被动齿轮以及驱动被动齿轮转动的驱动件，被动齿轮以及驱动件均安装在载体件上，驱动件与被动齿轮啮合。
  5. 根据权利要求4所述的一种制动装置，其特征在于：所述的驱动件为齿条，还包括驱动驱动件运动的主动齿轮，主动齿轮与驱动件啮合，所述的主动齿轮安装在载体件上。
  6. 根据权利要求4所述的一种制动装置，其特征在于：所述的制动件为两个，且两制动件的被动齿轮均与驱动件啮合，驱动件包括分别与两被动齿轮啮合的第一齿条部，两第一齿条部之间连接有横 杆，驱动件还包括第二齿条部，第二齿条部与主动齿轮啮合，第二齿条部连接在横杆上。
  7. 根据权利要求4所述的一种制动装置，其特征在于：所述的活动件为转动件，活动件应用于车轮时活动件随车轮转动。
  8. 根据权利要求4所述的一种制动装置，其特征在于：所述的制动件为凸轮。
  9. 根据权利要求4所述的一种制动装置，其特征在于：所述的制动件为圆形滚轮，并圆形滚轮偏心安装在载体件上。
  10. 根据权利要求6所述的一种制动装置，其特征在于：还包括驱动驱动件复位的复位件，复位件一端连接在驱动件上，另一端连接在载体件上。
PCT/CN2020/091028 2019-05-21 2020-05-19 一种制动装置 WO2020233565A1 (zh)

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CN201910425777.5A CN110107618B (zh) 2019-05-21 2019-05-21 一种制动装置
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CN110107618B (zh) * 2019-05-21 2021-05-04 温州市王金虎新型搬运设备科技有限公司 一种制动装置

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