WO2016124003A1 - 一种新型磁力开关 - Google Patents

一种新型磁力开关 Download PDF

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Publication number
WO2016124003A1
WO2016124003A1 PCT/CN2015/091931 CN2015091931W WO2016124003A1 WO 2016124003 A1 WO2016124003 A1 WO 2016124003A1 CN 2015091931 W CN2015091931 W CN 2015091931W WO 2016124003 A1 WO2016124003 A1 WO 2016124003A1
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WO
WIPO (PCT)
Prior art keywords
plate
terminal
arc
fixing
disposed
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PCT/CN2015/091931
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English (en)
French (fr)
Inventor
刘利
龙克文
Original Assignee
佛山市川东磁电股份有限公司
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Publication date
Application filed by 佛山市川东磁电股份有限公司 filed Critical 佛山市川东磁电股份有限公司
Priority to JP2017528218A priority Critical patent/JP6398009B2/ja
Priority to US15/532,098 priority patent/US10256059B2/en
Publication of WO2016124003A1 publication Critical patent/WO2016124003A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/025—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/002—Movable contacts fixed to operating part

Definitions

  • the invention relates to the technical field of magnetic proximity switches, in particular to a novel magnetic switch.
  • the existing reed switch type magnetic proximity switch is limited by the 2.5A current application limit.
  • the new non-reed switch type magnetic switch has a breakthrough in the 5A and 10A high current structure improvement, but there is still an inability to withstand the instantaneous high current arc contact.
  • the object of the present invention is to provide a new type of magnetic switch with a de-arcing device to solve the problem of contact melting and ablation oxidation of an arcing arc caused by an existing magnetic switch under an instantaneous overcurrent condition in view of the defects and deficiencies of the prior art. .
  • the present invention adopts the following technical solutions:
  • a novel magnetic switch comprises a housing having an opening at one end, a terminal A and a terminal B.
  • the open end of the housing is provided with a cover, and the terminal A and the terminal B are parallel to each other.
  • a bottom plate of the cover, a magnet and a tongue are disposed in the inner cavity of the housing, and one end of the tongue is movably connected to the upper end of the terminal B, and the magnet is vertically disposed on the tongue plate and integrally coupled with the tongue plate.
  • the other end is disposed above the terminal A; the upper end of the terminal A is provided with an arc-extinguishing device, the arc-cutting device is provided with a static contact, and the other end of the tongue plate is provided with a movable contact.
  • the arc-removing device comprises a three-claw holder, the three-claw holder is laterally connected to the upper end of the terminal A, and the three-claw holder is provided with an arc-extinguishing plate, and the de-arc plate is provided with a static contact.
  • the three-claw holder includes three fixing claws laterally fixed to the upper end of the terminal A, wherein two fixing claws are provided on one side of the upper end of the terminal A, and the other fixing claw is provided on the other side of the upper end of the terminal A. And another fixing claw is disposed between the two fixing claws on one side of the terminal A, the arcing plate Both ends are respectively connected to the fixing claws on both sides of the terminal A.
  • the outer end of the fixing claw is vertically provided with a baffle, and the inner side surface of the baffle is provided with a concave first corner groove, and the two end edges of the arcing plate are correspondingly engaged with the two side baffles On the first corner slot.
  • the arc-extinguishing plate is disposed in a hollow strip shape of a "back" shape, and an elastic piece is disposed in the inner hole of the arc-extinguishing plate, and the fixed end of the elastic piece is connected with the inner edge of one side plate of the arc-extinguishing plate,
  • the free end of the elastic piece can freely jump in the arc-extinguishing plate, and the elastic piece and the arc-extinguishing plate are integrally arranged, and the other end of the elastic piece is provided with a fixing hole corresponding to the other end of the tongue plate, and the static contact is connected to the fixing hole.
  • the tongue plate is provided with a mounting groove
  • the upper end of the terminal B is provided with an adapter plate
  • the left end of the adapter plate is provided with a diagonal wedge
  • the right end of the adapter plate is provided with a vertical buckle plate
  • the outer side of the buckle plate The side surface is provided with a concave second corner groove
  • the buckle plate is disposed in the installation groove, and the inner edge of the tongue plate at the right end of the installation groove is fastened to the second angle groove; the oblique wedge block and the left end of the installation groove
  • An elastic support piece having a curvature is provided between the tongue plates.
  • the inclined wedge block is disposed in a “T” shape, and the lower end of the vertical plate of the inclined wedge block is fixedly connected with the adapter plate, and the right end of the support piece is provided with a buckle groove, and the buckle groove is fastened to the inclined wedge block.
  • the vertical plate of the mounting groove is provided with a positioning groove on the tongue plate of the left end of the mounting groove, and the left end of the supporting piece is provided with a inserting piece, and the insert piece is disposed in the positioning groove.
  • a fixing plate is disposed on the tongue plate at the left end of the mounting groove, and the magnet is disposed on the fixing plate and integrally coupled with the tongue plate, and the fixing plate is made of a non-magnetic material made of copper.
  • the invention has the beneficial effects that the structure of the invention is reasonable, the terminal A is provided with an arc-extinguishing device, and when the terminal B is connected to the terminal A through the tongue plate, the oxidation of the contact surface is avoided by the arc-extinguishing plate, thereby improving the working stability of the switch. And the service life; the arc-shaped shrapnel is arranged on the arc-extinguishing plate. When the load is too high, the shrapnel pushes the contact to break, thereby improving the safety of the magnetic switch and the electric appliance, the overall structure is compact, the assembly is convenient, and the electrical installation standard is met.
  • Figure 1 is a schematic view of the overall exploded structure of the present invention
  • Figure 2 is a schematic view showing the internal assembly structure of the present invention.
  • Figure 3 is a schematic view showing the structure of the arc extinguishing device of the present invention.
  • a novel magnetic switch comprises a housing 1 having an opening at one end, a terminal A2 and a terminal B3, and a cover 11 is provided on the open end of the housing 1, and the terminal A2 and the terminal B3 are arranged in parallel with each other.
  • a magnet 12 and a tongue 5 are disposed in the inner cavity of the housing 1.
  • One end of the tongue 5 is movably connected to the upper end of the terminal B3, and the magnet 12 is lifted and lowered on the tongue.
  • the plate 5 is integrally coupled with the same, and the other end of the tongue plate 5 is disposed above the terminal A2; the upper end of the terminal A2 is provided with an arc-extinguishing device 4, the arc-cutting device 4 is provided with a static contact 47, and the tongue plate 5 is further A movable contact 54 is provided on one end.
  • the above components are the main structure of the present invention.
  • the terminal A2 and the terminal B3 are normally connected to each other through the housing, and one end of the tongue plate 5 is movably connected to the upper end of the terminal B3, and the outer magnet is disposed to repel each other with the magnet 12,
  • the outer magnet When the outer magnet is close, the repulsion pushes the magnet 12 to rotate the tongue 5 downward, and the movable contact 54 on the tongue 5 contacts the static contact 47 on the arc extinguishing device 4 to open the terminal A2 and the terminal B3, and the current is connected.
  • the arcing effect generated by the passage is eliminated by the arc extinguishing device 4, avoiding oxidation of the contacts, and improving the working stability and service life of the present invention.
  • the arc extinguishing device 4 comprises a three-claw fixing frame, the three-claw fixing frame is laterally connected to the upper end of the terminal A2, the three-claw fixing frame is provided with an arc-extinguishing plate 41, and the de-arcing plate 41 is provided with a static contact 47, the arc-extinguishing plate After the static contact 47 on 41 is turned on, the high voltage generated by the initial current passes through the arc extinguishing plate 41 to prevent the high voltage arc from oxidizing the contact.
  • the three-claw holder includes three fixing claws 42 laterally fixed to the upper end of the terminal A2, wherein two fixing claws 42 are provided on one side of the upper end of the terminal A2, and the other fixing claw 42 is provided on the other side of the upper end of the terminal A2.
  • the other fixing claws 42 are disposed between the two fixing claws 42 on the side of the terminal A2.
  • the three-claw fixing frame and the terminal A2 are integrally formed.
  • the two ends of the arc-extinguishing plate 41 are respectively connected with the terminal A2.
  • the side fixing claws 42 are connected, the three fixing claws 42 are oppositely disposed at the upper end of the terminal A2, and the de-arcing plate 41 is fixed between the three fixing claws 42 to prevent the instantaneous arc generated when the current is turned on from oxidizing the contact.
  • the outer end of the fixing claw 42 is vertically provided with a baffle 43.
  • the inner side surface of the baffle 43 is provided with a concave first corner groove 44, and the two end edges of the arcing plate 41 are correspondingly snapped on both sides.
  • the three sets of fixing claws 42 and the baffle 43 and the first angular groove 44 on the baffle plate are both integrally formed with the terminal A2.
  • the arc-extinguishing plate 41 is disposed in a hollow strip shape of a "back" shape.
  • the inner hole of the arc-extinguishing plate 41 is provided with a spring piece 45.
  • the fixed end of the elastic piece 45 and the inner edge of the one side plate of the arc-extinguishing plate 41 The free end of the elastic piece 45 is freely jumpable in the arc-extinguishing plate 41, and the elastic piece 45 and the arc-extinguishing plate 41 are integrally configured.
  • the other end of the elastic piece 45 is provided with a fixing hole 46 corresponding to the other end of the tongue plate 5.
  • the static contact 47 is connected to the fixing hole 46.
  • the elastic piece 45 is a heat-sensitive double material.
  • the elastic piece 45 pushes the static contact 47 and the movable contact 54 to break, thereby cutting off the circuit to protect Use of electrical appliances All;
  • the operating temperature setting of the shrapnel 45 is based on the temperature rise and ambient temperature conversion range, the reset temperature can be set above 0 ° C, the further reset temperature is set to not lower than 25 ° C, and the operating temperature setting is not lower than 80 ° C.
  • the tongue plate 5 is provided with a mounting groove 51.
  • the upper end of the terminal B3 is provided with an adapter plate 31.
  • the left end of the adapter plate 31 is provided with a wedge member 34, and the right end of the adapter plate 31 is provided with a vertical pinch plate 32.
  • the outer side surface of the gusset 32 is provided with a concave second corner groove 33.
  • the gusset 32 is disposed in the mounting groove 51, and the inner edge of the tongue 5 at the right end of the mounting groove 51 is fastened to the second corner groove 33.
  • An elastic support piece 55 having a curvature is disposed between the inclined wedge block 34 and the tongue plate 5 at the left end of the mounting groove 51.
  • Both ends of the support piece 55 are respectively disposed at two ends of the mounting groove 51, and the support piece 55 is One end is abutted against the upper end of the terminal B3 through the oblique wedge 34, and the other end of the support piece 55 abuts on the tongue plate 5, so that the tongue plate 5 is rotated up and down at the upper end of the terminal B3, and the support plate 55 provides upward rotation for the tongue plate 5.
  • the wedge member 34 is disposed in a "T" shape.
  • the lower end of the vertical plate of the wedge member 34 is fixedly connected to the adapter plate 31.
  • the right end of the support plate 55 is provided with a buckle groove 56.
  • the buckle groove 56 is fastened.
  • a slanting plate 52 is disposed on the left side of the slanting wedge 34.
  • the gusset 57 is disposed on the left end of the supporting piece 55.
  • the inserting piece 57 is disposed in the positioning groove 52.
  • a fixing plate 53 is disposed on the tongue plate 5 at the left end of the mounting groove 51.
  • the magnet 12 is disposed on the fixing plate 53 and integrally coupled with the tongue plate 5.
  • the fixing plate 53 is made of a non-magnetic material made of copper.

Landscapes

  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

一种磁力开关，包括壳体（1）、端子A（2）和端子B（3），壳体的内腔中设有磁体（12）和舌板（5），舌板的一端与端子B上端活动连接，磁体可升降地设于舌板上且与其一体联动，舌板的另一端设于端子A的上方；端子A上端设有去弧装置（4），去弧装置上设有静触点（47），舌板的另一端上设有动触点（54）。该磁力开关结构合理，提高了开关的工作稳定性和使用寿命；提高了磁力开关以及电气的使用安全，结构紧凑，装配方便，满足电气安装标准要求。

Description

一种新型磁力开关 技术领域
本发明涉及磁力接近开关技术领域，特别涉及一种新型磁力开关。
背景技术
现有干簧管式磁性接近开关受限于2.5A电流应用限制，新的无干簧管式磁力开关在5A、10A大电流结构改进上有突破，但还存在无法耐受瞬间大电流飞弧触点熔融和烧蚀氧化的问题。因此，现有技术还有待于改进和发展。
发明内容
本发明的目的在于针对现有技术的缺陷和不足，提供一种带有去弧装置以解决现有磁力开关在瞬间过电流情况下导致飞弧的触点熔融和烧蚀氧化问题的新型磁力开关。
为实现上述目的，本发明采用以下技术方案：
本发明所述的一种新型磁力开关，包括一端呈开口设置的壳体、端子A和端子B，壳体的开口端上设有壳盖，端子A与端子B相互平行地穿设于壳体和壳盖的底板上，所述壳体的内腔中设有磁体和舌板，舌板的一端与端子B上端活动连接，磁体可升降地设于舌板上且与其一体联动，舌板的另一端设于端子A的上方；所述端子A上端设有去弧装置，去弧装置上设有静触点，舌板的另一端上设有动触点。
进一步地，所述去弧装置包括三爪固定架，三爪固定架横向连接在端子A上端，三爪固定架上设有去弧板，去弧板上设有静触点。
进一步地，所述三爪固定架包括横向设置固定在端子A上端的三个固定爪，其中两个固定爪设于端子A上端的一侧，另一个固定爪设于端子A上端的另一侧，且另一个固定爪设于端子A一侧的两个固定爪之间，所述去弧板 的两端分别与端子A两侧的固定爪连接。
进一步地，所述固定爪的外端上竖直设有挡板，挡板的内侧面上设有内凹的第一角槽，去弧板的两端边缘对应地卡接在两侧挡板的第一角槽上。
进一步地，所述去弧板呈“回”字形的空心长条板状设置，去弧板的内孔中设有弹片，所述弹片的固定端与去弧板其中一侧板内缘连接，弹片的自由端在去弧板内可自由跳动，且弹片与去弧板为一体结构设置，弹片的另一端上设有与舌板另一端对应设置的固定孔，静触点连接在固定孔上。
进一步地，所述舌板上设有安装槽，端子B上端设有转接板，转接板的左端设有斜楔块，转接板的右端设有竖直的扣板，扣板的外侧面上设有内凹的第二角槽，所述扣板穿设于安装槽内，且安装槽右端的舌板内缘扣接在第二角槽上；所述斜楔块与安装槽左端的舌板之间设有具有弧度的弹性支撑片。
进一步地，所述斜楔块呈“T”字形结构设置，斜楔块的竖板下端与转接板固定连接，所述支撑片的右端上设有扣槽，扣槽扣接在斜楔块的竖板上；所述安装槽的左端的舌板上设有定位槽，支撑片的左端上设有插片，插片穿设于定位槽内。
进一步地，所述安装槽左端的舌板上设有固定板，磁体设于固定板上与舌板一体联动，所述固定板采用铜制的不导磁材料。
本发明有益效果为：本发明结构合理，端子A上设有去弧装置，端子B通过舌板与端子A接通时，通过去弧板避免触点表面出现氧化现象，提高开关的工作稳定性和使用寿命；去弧板上设有弧形弹片，当负载过高时弹片推动触点分断，从而提高磁力开关以及电器的使用安全，整体结构布局紧凑，装配方便，满足电气安装标准要求。
附图说明
图1是本发明的整体爆炸结构示意图；
图2是本发明的内部装配结构示意图；
图3是本发明的去弧装置结构示意图。
图中：
1、壳体；      2、端子A；       3、端子B；       4、去弧装置；
5、舌板；      11、壳盖；       12、磁体；       31、转接板；
32、扣板；     33、第二角槽；   34、斜楔块；     41、去弧板；
42、固定爪；   43、挡板；       44、第一角槽；   45、弹片；
46、固定孔；   47、静触点；     51、安装槽；     52、定位槽；
53、固定板；   54、动触点；     55、支撑片；     56、扣槽；
57、插片。
具体实施方式
下面结合附图对本发明作进一步的说明。
本发明所述的一种新型磁力开关，包括一端呈开口设置的壳体1、端子A2和端子B3，壳体1的开口端上设有壳盖11，端子A2与端子B3相互平行地穿设于壳体1和壳盖11的底板上，所述壳体1的内腔中设有磁体12和舌板5，舌板5的一端与端子B3上端活动连接，磁体12可升降地设于舌板5上且与其一体联动，舌板5的另一端设于端子A2的上方；所述端子A2上端设有去弧装置4，去弧装置4上设有静触点47，舌板5的另一端上设有动触点54。上述部件为本发明主体结构，常态下的端子A2和端子B3穿过壳体与电极连通为常开状态，舌板5一端与端子B3上端活动连接，外磁体设置与磁体12为同性相斥，外磁体靠近时斥力推动磁体12使舌板5向下转动，舌板5上的动触点54与去弧装置4上的静触点47接触以接通端子A2和端子B3，电流接 通时产生的电弧效应通过去弧装置4消除，避免触点产生氧化，提高本发明的工作稳定性和使用寿命。
所述去弧装置4包括三爪固定架，三爪固定架横向连接在端子A2上端，三爪固定架上设有去弧板41，去弧板41上设有静触点47，去弧板41上的静触点47接通后，初始电流产生的高压经过去弧板41，避免高压电弧对触点产生氧化作用。
所述三爪固定架包括横向设置固定在端子A2上端的三个固定爪42，其中两个固定爪42设于端子A2上端的一侧，另一个固定爪42设于端子A2上端的另一侧，且另一个固定爪42设于端子A2一侧的两个固定爪42之间，三爪固定架所与端子A2为一体成型结构设置，所述去弧板41的两端分别与端子A2两侧的固定爪42连接，三个固定爪42在端子A2上端相对设置，去弧板41固定在三个固定爪42之间，避免接通电流时产生的瞬间电弧对触点产生氧化作用。
所述固定爪42的外端上竖直设有挡板43，挡板43的内侧面上设有内凹的第一角槽44，去弧板41的两端边缘对应地卡接在两侧挡板43的第一角槽44上，三组固定爪42和挡板43以及挡板上的第一角槽44均为与端子A2一体成型结构设置。
所述去弧板41呈“回”字形的空心长条板状设置，去弧板41的内孔中设有弹片45，所述弹片45的固定端与去弧板41其中一侧板内缘连接，弹片45的自由端在去弧板41内可自由跳动，且弹片45与去弧板41为一体结构设置，弹片45的另一端上设有与舌板5另一端对应设置的固定孔46，静触点47连接在固定孔46上；所述弹片45为热敏双材料，当过载导致温升过高时，弹片45推动静触点47与动触点54分断，从而切断电路以保护电器的使用安 全；弹片45的动作温度的设定基于温升和环境温度变换范围，其复位温度可以在0℃以上设定，进一步地复位温度设定为不低于25℃、动作温度设定不低于80℃。
所述舌板5上设有安装槽51，端子B3上端设有转接板31，转接板31的左端设有斜楔块34，转接板31的右端设有竖直的扣板32，扣板32的外侧面上设有内凹的第二角槽33，所述扣板32穿设于安装槽51内，且安装槽51右端的舌板5内缘扣接在第二角槽33上；所述斜楔块34与安装槽51左端的舌板5之间设有具有弧度的弹性支撑片55，支撑片55的两端分别设于安装槽51的两端，且支撑片55的一端通过斜楔块34抵设于端子B3上端，支撑片55的另一端抵设于舌板5上，从而舌板5在端子B3上端设上下转动，且支撑板55为舌板5提供向上转动的复位支撑力。
所述斜楔块34呈“T”字形结构设置，斜楔块34的竖板下端与转接板31固定连接，所述支撑片55的右端上设有扣槽56，扣槽56扣接在斜楔块34的竖板上；所述安装槽51的左端的舌板5上设有定位槽52，支撑片55的左端上设有插片57，插片57穿设于定位槽52内。
所述安装槽51左端的舌板5上设有固定板53，磁体12设于固定板53上与舌板5一体联动，所述固定板53采用铜制的不导磁材料。
以上所述仅是本发明的较佳实施方式，故凡依本发明专利申请范围所述的构造、特征及原理所做的等效变化或修饰，均包括于本发明专利申请范围内。

Claims (8)

  1. 一种新型磁力开关，包括一端呈开口设置的壳体(1)、端子A(2)和端子B(3)，壳体(1)的开口端上设有壳盖(11)，端子A(2)与端子B(3)相互平行地穿设于壳体(1)和壳盖(11)的底板上，其特征在于：所述壳体(1)的内腔中设有磁体(12)和舌板(5)，舌板(5)的一端与端子B(3)上端活动连接，磁体(12)可升降地设于舌板(5)上且与其一体联动，舌板(5)的另一端设于端子A(2)的上方；所述端子A(2)上端设有去弧装置(4)，去弧装置(4)上设有静触点(47)，舌板(5)的另一端上设有动触点(54)。
  2. 根据权利要求1所述的新型磁力开关，其特征在于：所述去弧装置(4)包括三爪固定架，三爪固定架横向连接在端子A(2)上端，三爪固定架上设有去弧板(41)，去弧板(41)上设有静触点(47)。
  3. 根据权利要求2所述的新型磁力开关，其特征在于：所述三爪固定架包括横向设置固定在端子A(2)上端的三个固定爪(42)，其中两个固定爪(42)设于端子A(2)上端的一侧，另一个固定爪(42)设于端子A(2)上端的另一侧，且另一个固定爪(42)设于端子A(2)一侧的两个固定爪(42)之间，所述去弧板(41)的两端分别与端子A(2)两侧的固定爪(42)连接。
  4. 根据权利要求3所述的新型磁力开关，其特征在于：所述固定爪(42)的外端上竖直设有挡板(43)，挡板(43)的内侧面上设有内凹的第一角槽(44)，去弧板(41)的两端边缘对应地卡接在两侧挡板(43)的第一角槽(44)上。
  5. 根据权利要求2-4任一所述的新型磁力开关，其特征在于：所述去弧板(41)呈“回”字形的空心长条板状设置，去弧板(41)的内孔中设有弹片(45)，所述弹片(45)的固定端与去弧板(41)其中一侧板内缘连接，弹片(45)的自由端在去弧板(41)内可自由跳动，且弹片(45)与去弧板(41) 为一体结构设置，弹片(45)的另一端上设有与舌板(5)另一端对应设置的固定孔(46)，静触点(47)连接在固定孔(46)上。
  6. 根据权利要求1所述的新型磁力开关，其特征在于：所述舌板(5)上设有安装槽(51)，端子B(3)上端设有转接板(31)，转接板(31)的左端设有斜楔块(34)，转接板(31)的右端设有竖直的扣板(32)，扣板(32)的外侧面上设有内凹的第二角槽(33)，所述扣板(32)穿设于安装槽(51)内，且安装槽(51)右端的舌板(5)内缘扣接在第二角槽(33)上；所述斜楔块(34)与安装槽(51)左端的舌板(5)之间设有具有弧度的弹性支撑片(55)。
  7. 根据权利要求6所述的新型磁力开关，其特征在于：所述斜楔块(34)呈“T”字形结构设置，斜楔块(34)的竖板下端与转接板(31)固定连接，所述支撑片(55)的右端上设有扣槽(56)，扣槽(56)扣接在斜楔块(34)的竖板上；所述安装槽(51)的左端的舌板(5)上设有定位槽(52)，支撑片(55)的左端上设有插片(57)，插片(57)穿设于定位槽(52)内。
  8. 根据权利要求6所述的新型磁力开关，其特征在于：所述安装槽(51)左端的舌板(5)上设有固定板(53)，磁体(12)设于固定板(53)上与舌板(5)一体联动，所述固定板(53)采用铜制的不导磁材料。
PCT/CN2015/091931 2015-02-03 2015-10-14 一种新型磁力开关 WO2016124003A1 (zh)

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