WO2017133458A1 - 一种旋转式开关的操作机构 - Google Patents

一种旋转式开关的操作机构 Download PDF

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Publication number
WO2017133458A1
WO2017133458A1 PCT/CN2017/071550 CN2017071550W WO2017133458A1 WO 2017133458 A1 WO2017133458 A1 WO 2017133458A1 CN 2017071550 W CN2017071550 W CN 2017071550W WO 2017133458 A1 WO2017133458 A1 WO 2017133458A1
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WIPO (PCT)
Prior art keywords
rotating shaft
lever
rotary switch
operating mechanism
groove
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PCT/CN2017/071550
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English (en)
French (fr)
Inventor
唐瑞
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上海良信电器股份有限公司
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Application filed by 上海良信电器股份有限公司 filed Critical 上海良信电器股份有限公司
Priority to KR1020187024346A priority Critical patent/KR102053073B1/ko
Priority to JP2018560704A priority patent/JP2019507949A/ja
Priority to EP17746778.4A priority patent/EP3413328A4/en
Publication of WO2017133458A1 publication Critical patent/WO2017133458A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/20—Driving mechanisms allowing angular displacement of the operating part to be effective in either direction

Definitions

  • the invention belongs to the field of switch technology, and in particular relates to an operating mechanism of a rotary switch.
  • the words of the switch are interpreted as on and off. It refers to a component that can open a circuit, interrupt a current, or cause it to flow to other circuits.
  • the most common switch is an electromechanical device that operates, with one or several contacts. The "closed” of the contact indicates that the contact is conducting, allowing current to flow; the "open” of the switch indicates that the contact is non-conducting to form an open circuit, and no current is allowed to flow.
  • the development history of the switch has evolved from the original knife switch that requires manual operation to the intelligent switch applied in various large-scale electrical control devices. The function of the switch is more and more, and the safety is getting higher and higher.
  • a rotary switch is a common switch that prevents an unauthorized operation of the rotary operating device by locking the rotary operator at a particular position corresponding to a particular state of the rotary operating device.
  • the rotary operator is locked in a safe position and the operating portion of the rotary operating device is not in the corresponding desired state, a dangerous situation may occur.
  • the contacts have been welded together in a "connected" state, while the torsion of the shaft can still be utilized to rotate the rotary operator and lock it in a position corresponding to the open state.
  • Chinese Patent No. CN 101901021 A discloses a rotary operator assembly including a handle member, a shaft member and an operator body member.
  • the shaft member is attached to the operator body member and is rotatable relative to the operator body member about the operational axis of rotation.
  • the handle member is movably coupled to the shaft member and the operator body member and is translatable relative to the operator body member between the first translational position and the second translational position.
  • the handle member and the operator body member include mating means for blocking rotation of the handle member relative to the operator body member about the operational axis of rotation in the first translational position and allowing the handle member to rotate about the operational axis of rotation relative to the operator body member at the second translational position From the first angular position to the second angular position.
  • the handle member is configured to operatively engage the shaft member at least in a second translational position, and the handle member includes at least a portion that mates with at least a portion of the shaft member for preventing the handle member from being in the first translational position in the first angular position and Translation between the second translational positions.
  • the rotator has a function of locking the actual position of the rotating mechanism, but the locking is accomplished by additionally adding a corresponding locking mechanism, increasing the volume and production cost of the product, and the locking function is associated with the opening and closing member, Not conducive to repair and replacement.
  • the object of the present invention is to provide a rotary switch operating mechanism for the actual position locking mechanism of the existing conventional rotary switch operating mechanism, and to provide the operating position of the rotary switch operating mechanism.
  • the locking mechanism is directly realized by the change of the structural shape of the rotary switch, which reduces the volume of the rotary switch and reduces the production cost of the rotary switch.
  • an operating mechanism of a rotary switch designed by the present invention is characterized in that it comprises an upper cover, a mounting base, a lever, a spring and a rotating shaft, and the rotating shaft is mounted in a rotating shaft mounting groove of the mounting base and It can rotate in the rotating shaft mounting groove, and the spring is installed in the groove of the inner cavity of the rotating shaft, and the end of the spring
  • the upper end surface of the rotating shaft is provided with an opening groove, and the outer surface of the rotating shaft corresponding to both sides of the opening groove is provided with a notch long slot hole, and the slot of the opening slot protrudes from the slotted claw
  • the pawl can be blocked by the limit protrusion protruding from the inner side of the upper cover during the rotation of the rotating shaft
  • the lever includes a lever handle and a lever disc, the lower surface of the lever disc extends the driving finger, and the driving finger is inserted into the inner cavity of the rotating shaft In the groove, the outer edge surface of the lever disk is provided with a convex
  • the lever can be rotated by the handle, and the convex wall can press the pawl to retract to the notch long slot during the rotation.
  • the springs are two, and are arranged in the inner cavity of the rotating shaft to form a circular arc spring.
  • the stopper comprises a front stopper and a rear stopper, and the first ends of the two springs respectively abut the front stopper and the rear stopper.
  • the pawl is provided with a guiding bevel that is capable of pressing the pawl along the guiding bevel.
  • the driving fingers are two, which are respectively inserted into the circular arc grooves in which the two springs are located.
  • the operating mechanism of the rotary switch provided by the invention realizes that the actual position locking mechanism of the operating mechanism of the rotary switch is directly changed by the structural shape of the rotary switch, which reduces the volume of the rotary switch and reduces the rotary type. The production cost of the switch.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of an embodiment of the present invention.
  • Figure 3 is a schematic view of the pawl locking structure in the embodiment of the present invention.
  • FIG. 4 is a schematic view showing the structure of a mounting base in an embodiment of the present invention.
  • Figure 5 is a schematic view showing the structure of the upper cover in the embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of a lever in the embodiment of the present invention.
  • Figure 7 is a front elevational view of the lever of the embodiment of the present invention.
  • Figure 8 is a left side view of the lever in the embodiment of the present invention.
  • Figure 9 is a schematic view showing the structure of a rotating shaft in the embodiment of the present invention.
  • Figure 10 is a front elevational view of the rotating shaft in the embodiment of the present invention.
  • Figure 11 is a schematic view showing the structure of a handle in the embodiment of the present invention.
  • the operating mechanism of the rotary switch comprises an upper cover 1, a mounting base 2, a lever 3, a spring 4 and a rotating shaft 5, and the upper cover 1 and the mounting base 2 are fixed together.
  • the rotating shaft 5 is mounted in the rotating shaft mounting groove 201 of the mounting base 2 and is rotatable in the rotating shaft mounting groove 201.
  • the spring 4 is mounted in the recess 501 of the inner cavity of the rotating shaft 5, the end of the spring 4 abuts against the stopper 501a in the recess 501, and the upper end surface of the rotating shaft 5 is provided with an opening groove 502.
  • the outer surface of the rotating shaft 5 corresponding to the two sides of the opening groove 502 is provided with a horizontally disposed notch long slot 503, and the notch of the opening slot 502 protrudes from the notch 502a.
  • the pawl 502a can be blocked by the limit projection 101 projecting from the inner side of the upper cover 1 during the rotation of the rotary shaft 5 (see Figs. 3 and 5).
  • the gap of the notched long slot 503 enables the pawl 502a to retract downward by a certain displacement 2 under downward pressure.
  • the lever 3 includes a lever handle 301 and a lever disc 302.
  • the lower surface of the lever disc 302 protrudes from the driving finger 302a, and the driving finger 302a can be inserted into the corresponding recess 501 of the inner cavity of the rotating shaft 5, and the lever disc 302 is
  • the outer edge surface is provided with a convex wall 302b, and the lever handle 301 protrudes from the through hole of the upper cover 1 and is inserted into the handle 6. in.
  • the present embodiment is provided with two convex walls 302b respectively disposed on both sides of the opening groove 502, so that the lever 3 can slide along the guiding slope 502a01 on the pawl 502a and further press the pawl 502a toward the notch long slot 503 when rotated relative to the rotating shaft 5. Retracted.
  • the springs 4 are two, and are arranged in the inner cavity of the rotating shaft 5 to form a circular arc spring
  • the stopper 501a includes a front stopper 501a01 and a rear stopper 501a02, and the first ends of the two springs 4 respectively abut against the front end. Stop 501a01 and rear stop 501a02 (see Figure 9).
  • the driving fingers 302a are also two, respectively inserted into the circular arc grooves 501 in which the two springs 4 are located (see Figs. 6, 8), so as to toggle (carry) the rotating shaft 5 together when the lever 3 rotates.
  • the working process of the invention is that the handle 6 drives the lever 3 to rotate, and the lower end of the lever 3 is connected to the actuator of the switch through the rotating shaft 5 and the through hole on the mounting base 2, and the convex wall 302b can be along the pawl during the rotation of the lever 3
  • the guide bevel 502a01 on the 502a urges the pawl 502a to retract toward the notch long slot 503, and the pawl 502a is unlocked from the state blocked by the limit projection 101, and the lever 3 rotates the compression spring 4.
  • the rotating shaft 5 is rotated by the compressed compression spring 4, and the pawl 502a is again blocked by the limiting projection 101 to achieve positional locking.
  • the operating mechanism of the rotary switch provided by the invention realizes that the actual position locking mechanism of the operating mechanism of the rotary switch is directly changed by the structural shape of the rotary switch, which reduces the volume of the rotary switch and reduces the rotary type. The production cost of the switch.

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  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mechanical Control Devices (AREA)

Abstract

一种旋转式开关的操作机构，包括上盖(1)，安装基座(2)，杠杆(3)，弹簧(4)和转轴(5)。该操作机构通过改变旋转式开关的结构形状来实现操作机构的实际位置锁定机构，缩小了旋转式开关的体积，降低了生产成本。

Description

一种旋转式开关的操作机构 技术领域
本发明属于开关技术领域，具体讲就是涉及一种旋转式开关的操作机构。
背景技术
开关的词语解释为开启和关闭。它是指一个可以使电路开路、使电流中断或使其流到其他电路的元件。最常见的开关是让人操作的机电设备，其中有一个或数个接点。接点的“闭合”(closed)表示接点导通，允许电流流过；开关的“开路”(open)表示接点不导通形成开路，不允许电流流过。开关的发展历史从原始的需要人工手动操作的闸刀开关，发展到现在的在各种大型电气控制设备中应用的智能化开关，开关的功能越来越多，安全性也越来越高，旋转式开关是一种常见的开关，其通过将旋转操作器锁定在与旋转操作装置的特定状态相应的特定位置来阻止旋转操作装置被未经授权地操作。然而，如果旋转操作器锁定在一安全”位置，而旋转操作装置的操作部分不处于相应的所需状态，则会出现危险状况。例如，在某些具有固定电触头和安装到轴上的旋转电触头的旋转式电开关中，触头在“连通”状态已经被熔接在一起，而仍可以利用轴的扭转来转动旋转操作器并且将其锁定在相应于断开状态的位置中。因此，开关看起来是“断开”，然而事实上电路仍然是“连通”的。对于其他种类的旋转操作装置和旋转阀也会发生类似情况，其中，被操作物体的实际位置不相应于由操作器位置所指示出的物体位置。
为了避免上述旋转式开关的操作机构出现显示的位置和实际的电路通断状态不一致的情况出现，目前很多开关采取对旋转器的实际位置进行锁定来限 制开关操作机构状况的不稳定，例如中国专利CN 101901021A公开了旋转操作器组件，包括手柄部件、轴部件和操作器本体部件。轴部件附接到操作器本体部件，能相对操作器本体部件绕操作旋转轴线旋转。手柄部件可动接合到轴部件和操作器本体部件，并可相对操作器本体部件在第一平移位置和第二平移位置之间平移。手柄部件和操作器本体部件包括配合装置，用于阻挡手柄部件在第一平移位置绕操作旋转轴线相对操作器本体部件旋转并允许手柄部件在第二平移位置绕操作旋转轴线相对于操作器本体部件从第一角度位置转到第二角度位置。手柄部件配置成至少在第二平移位置可操作地与轴部件接合，并且手柄部件包括与轴部件的至少一部分配合的至少一部分，用于阻止手柄部件在第一角度位置中在第一平移位置和第二平移位置之间平移。该旋转器具有对旋转机构实际位置进行锁定的功能，但是该锁定是通过额外增加相对应的锁定机构完成的，增加量产品的体积和生产成本，且锁定功能部件与开合闸部件相关联，不利于维修更换。
发明内容
本发明的目的就是针对现有的现有的旋转式开关的操作机构的实际位置锁定机构需要单独设置的技术缺陷，提供一种旋转式开关的操作机构，将旋转式开关的操作机构的实际位置锁定机构直接通过旋转式开关的结构形状的改变来实现，缩小了旋转式开关的体积，降低了旋转式开关的生产成本。
技术方案
为了实现上述技术目的，本发明设计的一种旋转式开关的操作机构，其特征在于：它包括上盖，安装基座，杠杆，弹簧和转轴，转轴装在安装基座的转轴安装槽内并能在转轴安装槽内转动，弹簧装在转轴内腔的凹槽中，弹簧的端 部抵住凹槽中的挡块，所述转轴的上端面设有开口槽，所述开口槽两侧面对应的转轴外表面上设有缺口长槽孔，开口槽的槽口处凸出棘爪，所述棘爪在转轴转动过程中能够被上盖内侧面伸出的限位凸块挡住，所述杠杆包括杠杆柄和杠杆盘，杠杆盘下表面伸出驱动指，驱动指插入转轴内腔的凹槽中，杠杆盘的外缘面设有凸壁，杠杆柄伸出上盖的过孔插装在手柄中。
进一步，所述杠杆在手柄带动下能够转动，转动过程中凸壁能够压迫棘爪向缺口长槽孔处缩回。
进一步，所述上盖和安装基座固定在一起。
进一步，所述弹簧为两根，装在转轴内腔中组成圆弧形弹簧，所述挡块包括前挡块和后挡块，两根弹簧首位端分别抵住前挡块和后挡块。
进一步，所述棘爪设有引导斜面，所述凸壁能够沿引导斜面压迫棘爪。
进一步，所述驱动指为两根，分别插入两根弹簧所在的圆弧凹槽内。
有益效果
本发明提供的一种旋转式开关的操作机构，将旋转式开关的操作机构的实际位置锁定机构直接通过旋转式开关的结构形状的改变来实现，缩小了旋转式开关的体积，降低了旋转式开关的生产成本。
附图说明
附图1是本发明实施例的结构示意图。
附图2是本发明实施例的分解示意图。
附图3是本发明实施例中棘爪锁定结构示意图。
附图4是本发明实施例中安装基座结构示意图。
附图5是本发明实施例中上盖的结构示意图。
附图6是本发明实施例中杠杆的结构示意图。
附图7是本发明实施例中杠杆的主视图。
附图8是本发明实施例中杠杆的左视图。
附图9是本发明实施例中转轴的结构示意图。
附图10是本发明实施例中转轴的主视图。
附图11是本发明实施例中手柄的结构示意图。
具体实施方式
下面结合附图和实施例，对本发明做详细说明。
实施例
如附图1～2所示，本发明提供的旋转式开关的操作机构包括上盖1，安装基座2，杠杆3，弹簧4和转轴5，上盖1和安装基座2固定在一起。参见附图3、4，转轴5安装在安装基座2的转轴安装槽201内并能在转轴安装槽201内转动。
再参见附图2、9，弹簧4装在转轴5内腔的凹槽501中，弹簧4的端部抵住凹槽501中的挡块501a，在转轴5的上端面设有开口槽502，开口槽502两侧面对应的转轴5外表面上设有水平布置的缺口长槽孔503，开口槽502的槽口处凸出棘爪502a。棘爪502a在转轴5转动过程中能够被上盖1内侧面伸出的限位凸块101挡住(见附图3、5)。缺口长槽孔503的间隙能够使棘爪502a在向下的压力压迫下向下产生一定的位移二而向下缩回。
参见图6、7，杠杆3包括杠杆柄301和杠杆盘302，杠杆盘302下表面伸出驱动指302a，驱动指302a可插入转轴5内腔的相对应的凹槽501中，杠杆盘302的外缘面设有凸壁302b，杠杆柄301伸出上盖1的过孔插装在手柄6 中。本实施设有两个凸壁302b分别布置在开口槽502的两边，以便杠杆3相对于转轴5转动时可沿棘爪502a上的引导斜面502a01滑动并进一步压迫棘爪502a向缺口长槽孔503处缩回。
在该实施例中，弹簧4为两根，装在转轴5内腔中组成圆弧形弹簧，同时挡块501a包括前挡块501a01和后挡块501a02，两根弹簧4首位端分别抵住前挡块501a01和后挡块501a02(参见图9)。驱动指302a也为两根，分别插入两根弹簧4所在的圆弧凹槽501内(见附图6、8)，以便在杠杆3转动时拨动(带动)转轴5一起转动。
本发明的工作过程是：手柄6带动杠杆3转动，杠杆3的下端通过转轴5和安装基座2上的过孔与开关的执行机构连接，杠杆3转动过程之中凸壁302b能够沿棘爪502a上的引导斜面502a01压迫棘爪502a向缺口长槽孔503处缩回，棘爪502a则从被限位凸块101挡住的状态中解锁，杠杆3转动压缩弹簧4。杠杆3转到指定位置后，转轴5在被压缩的压缩弹簧4作用下转动，棘爪502a再次被限位凸块101挡住，实现位置锁定。
本发明提供的一种旋转式开关的操作机构，将旋转式开关的操作机构的实际位置锁定机构直接通过旋转式开关的结构形状的改变来实现，缩小了旋转式开关的体积，降低了旋转式开关的生产成本。
本实施例所附图式所绘示的结构、比例、大小等，均仅用以配合说明书所揭示的内容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明可实施的限定条件，故不具技术上的实质意义，任何结构的修饰、比例关系的改变或大小的调整，在不影响本发明所能产生的功效及所能达成的目的下，均应仍落在本发明所揭示的技术内容得能涵盖的范围内。同时，本说明书中所引用的如“上”、“下”、“左”、“右”、“中间”、“顺时针”、“逆时针”等的用语，亦仅 为便于叙述的明了，而非用以限定本发明可实施的范围，其相对关系的改变或调整，在无实质变更技术内容下，当亦视为本发明可实施的范畴。

Claims (6)

  1. 一种旋转式开关的操作机构，其特征在于：它包括上盖(1)，安装基座(2)，杠杆(3)，弹簧(4)和转轴(5)，转轴(5)装在安装基座(2)的转轴安装槽(201)内并能在转轴安装槽(201)内转动，弹簧(4)装在转轴(5)内腔的凹槽(501)中，弹簧(4)的端部抵住凹槽(501)中的挡块(501a)，所述转轴(5)的上端面设有开口槽(502)，所述开口槽(502)两侧面对应的转轴(5)外表面上设有缺口长槽孔(503)，开口槽(502)的槽口处凸出棘爪(502a)，所述棘爪(502a)在转轴(5)转动过程中能够被上盖(1)内侧面伸出的限位凸块(101)挡住，所述杠杆(3)包括杠杆柄(301)和杠杆盘(302)，杠杆盘(302)下表面伸出驱动指(302a)，驱动指(302a)插入转轴(5)内腔的凹槽(501)中，杠杆盘(302)的外缘面设有凸壁(302b)，杠杆柄(301)伸出上盖(1)的过孔插装在手柄(6)中。
  2. 如权利要求1所述的一种旋转式开关的操作机构，其特征在于：所述杠杆(3)在手柄(6)带动下能够转动，转动过程中凸壁(302b)能够压迫棘爪(502a)向缺口长槽孔(503)处缩回。
  3. 如权利要求1所述的一种旋转式开关的操作机构，其特征在于：所述上盖(1)和安装基座(2)固定在一起。
  4. 如权利要求1所述的一种旋转式开关的操作机构，其特征在于：所述弹簧(4)为两根，装在转轴(5)内腔中组成圆弧形弹簧，所述挡块(501a)包括前挡块(501a01)和后挡块(501a02)，两根弹簧(4)首位端分别抵住前挡块(501a01)和后挡块(501a02)。
  5. 如权利要求1所述的一种旋转式开关的操作机构，其特征在于：所述棘爪(502a)设有引导斜面(502a01)，所述凸壁(302b)能够沿引导斜面(502a01)压 迫棘爪(502a)。
  6. 如权利要求1所述的一种旋转式开关的操作机构，其特征在于：所述驱动指(302a)为两根，分别插入两根弹簧(4)所在的圆弧凹槽(501)内。
PCT/CN2017/071550 2016-02-05 2017-01-18 一种旋转式开关的操作机构 WO2017133458A1 (zh)

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EP17746778.4A EP3413328A4 (en) 2016-02-05 2017-01-18 OPERATING MECHANISM OF A ROTARY SWITCH

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CN107045958B (zh) 2019-04-23
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CN107045958A (zh) 2017-08-15
EP3413328A4 (en) 2019-09-18
KR20180104103A (ko) 2018-09-19

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