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CN105849847B - Magnetic switch and starter with the magnetic switch - Google Patents

Magnetic switch and starter with the magnetic switch Download PDF

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Publication number
CN105849847B
CN105849847B CN201480070685.5A CN201480070685A CN105849847B CN 105849847 B CN105849847 B CN 105849847B CN 201480070685 A CN201480070685 A CN 201480070685A CN 105849847 B CN105849847 B CN 105849847B
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China
Prior art keywords
plunger
contact
magnetic switch
shaft
contact shaft
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CN201480070685.5A
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CN105849847A (en
Inventor
西馆圭介
阿部光利
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Hitachi Astemo Ltd
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Hitachi Automotive Systems Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00Starting of engines by means of electric motors
    • F02N11/08Circuits or control means specially adapted for starting of engines
    • F02N11/087Details of the switching means in starting circuits, e.g. relays or electronic switches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00Starting of engines by means of electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1607Armatures entering the winding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/18Movable parts of magnetic circuits, e.g. armature
    • H01H50/20Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/02Non-polarised relays
    • H01H51/04Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/065Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Push-Button Switches (AREA)
  • Electromagnets (AREA)

Abstract

The present invention provides one kind being capable of steadily movable contact axis, high reliablity magnetic switch by magnetic switch miniaturization.The magnetic switch is constituted as follows:The power of spring is resisted and being powered to electromagnetic coil plunger (6) is attracted to secured core (5), with plunger (6) operation contact axis (12) to be opened and closed contact (9), contact axis (12) is formed on the 1st sliding supporting part (6c) of plunger (6) and is formed in the 2nd sliding supporting part (5c) of secured core (5) and slideably supports, the 1st holding section that plunger (6) is fastened on contact axis (12) and for promoting contact axis (12) to junction closure direction is arranged between the 1st sliding supporting part (6c) and the 2nd sliding supporting part (5c).

Description

磁性开关以及具有该磁性开关的起动机Magnetic switch and starter with same

技术领域technical field

本发明涉及适合内燃机的起动机的磁性开关、以及具有该磁性开关的起动机The present invention relates to a magnetic switch suitable for a starter of an internal combustion engine, and a starter having the magnetic switch

背景技术Background technique

作为本技术领域的背景技术,存在着日本专利第3235783号公报(专利文献1)。在该公报中,记载了“提供一种使用接点轴可靠地将各接点之间分离的磁性开关”。As background art in this technical field, there is Japanese Patent No. 3235783 (Patent Document 1). This gazette describes "to provide a magnetic switch that reliably separates contacts using a contact shaft."

现有技术文献prior art literature

专利文献patent documents

专利文献1:日本专利第3235783号公报Patent Document 1: Japanese Patent No. 3235783

发明内容Contents of the invention

发明要解决的问题The problem to be solved by the invention

在如专利文献1那样的现有的构成中,在为了磁性开关的小型轻量化,使接点轴小径化,或使材质改变的情况下,存在着如下的问题。即,在柱塞的吸引时,使柱塞的内周底面和接点轴顶端面卡合并使接点轴转移时的接点轴的变形、倾斜变大,其结果为,恐怕接点轴支承部的滑动阻力会变大而不滑动、或是导致接点轴的破损。In the conventional configuration as in Patent Document 1, when the diameter of the contact shaft is reduced or the material is changed in order to reduce the size and weight of the magnetic switch, there are the following problems. That is, when the plunger is sucked, the inner peripheral bottom surface of the plunger is engaged with the top end surface of the contact shaft and the deformation and inclination of the contact shaft when the contact shaft is shifted are increased. As a result, the sliding resistance of the contact shaft support part may It may become large and not slide, or cause damage to the contact shaft.

在此,本发明的目的在于,提供一种即使在将磁性开关小型轻量化了的情况下也能够稳定地移动接点轴的、可靠性高的磁性开关。Here, an object of the present invention is to provide a highly reliable magnetic switch capable of stably moving a contact shaft even when the magnetic switch is reduced in size and weight.

解决问题的技术手段technical means to solve problems

本申请包含解决上述问题的多个构成,如果举出一个例子的话,其通过向电磁线圈通电而抵抗弹簧的力地将柱塞向固定铁芯吸引,用该柱塞操作接点轴以开闭接点,所述磁性开关的特征在于,所述接点轴被形成于所述柱塞的第1滑动支承部和形成于所述固定铁芯的第2滑动支承部可滑动地支承,柱塞卡合在所述接点轴上且用于使所述接点轴向接点闭合方向推进的第1卡合部被设置在所述第1滑动支承部与所述第2滑动支承部之间。This application includes a plurality of configurations to solve the above problems. If one example is given, the plunger is attracted to the fixed iron core against the force of the spring by energizing the electromagnetic coil, and the contact shaft is operated by the plunger to open and close the contact. , the magnetic switch is characterized in that the contact shaft is slidably supported by a first sliding support portion formed on the plunger and a second sliding support portion formed on the fixed iron core, and the plunger is engaged with the A first engaging portion on the contact shaft for advancing the contact shaft in a contact closing direction is provided between the first sliding support portion and the second sliding support portion.

发明的效果The effect of the invention

根据本发明,能够提供即使在将磁性开关小型轻量化了的情况下也能够稳定地移动接点轴的、可靠性高的磁性开关。According to the present invention, it is possible to provide a highly reliable magnetic switch capable of stably moving a contact shaft even when the size and weight of the magnetic switch is reduced.

上述以外的问题、构成以及效果通过以下的实施方式的说明变得明晰。Problems, configurations, and effects other than those described above will become clear from the description of the following embodiments.

附图说明Description of drawings

图1为安装有实施例的磁性开关的起动机的主要部分的截面图。FIG. 1 is a cross-sectional view of a main part of a starter to which a magnetic switch of an embodiment is mounted.

图2为实施例的磁性开关的截面图。Fig. 2 is a cross-sectional view of the magnetic switch of the embodiment.

图3为表示图2的磁性开关的吸引动作(柱塞和轴环卡合)的截面图。Fig. 3 is a cross-sectional view showing a suction operation (engagement between a plunger and a collar) of the magnetic switch of Fig. 2 .

图4为表示图2的磁性开关的吸引动作(可动接点和固定接点接合)的截面图。Fig. 4 is a cross-sectional view showing an attracting operation (engagement of a movable contact and a fixed contact) of the magnetic switch of Fig. 2 .

图5为表示图2的磁性开关的开放动作的截面图。Fig. 5 is a cross-sectional view showing an opening operation of the magnetic switch of Fig. 2 .

具体实施方式Detailed ways

以下,使用附图说明本发明的实施例。Hereinafter, embodiments of the present invention will be described using the drawings.

图1为表示安装有本发明的磁性开关的一个实施例的起动机主要部分的截面图。图2为表示本发明的一个实施例的磁性开关的截面图。同时参照图1、图2,对本实施例的磁性开关的构成进行说明。Fig. 1 is a cross-sectional view showing an essential part of a starter in which an embodiment of a magnetic switch according to the present invention is mounted. Fig. 2 is a cross-sectional view showing a magnetic switch according to an embodiment of the present invention. 1 and 2 together, the structure of the magnetic switch of this embodiment is demonstrated.

在图1中,起动机由起动机主体1和磁性开关2而构成。并且,在图2中,磁性开关2由以下部件形成:励磁线圈3,其通过通电产生磁动势;线圈外壳4、轴套5,其接受磁动势形成磁路且成为固定铁芯;电磁线圈部,其成为可动铁芯且由柱塞6构成;咬合部,其在电磁线圈动作时利用柱塞6向轴套5侧吸引移动的动作来使变速杆7移动,并使与变速杆7下端7a卡合的小齿轮8变速;以及接点部,其在柱塞6移动时,使可动接点9移动并与固定接点10接合,进行在固定接点10之间的通电。此时在柱塞6内,配设着与变速杆7卡合并在柱塞6的移动时使变速杆7移动的柱塞轴11,以及接点轴12。In FIG. 1 , the starter includes a starter body 1 and a magnetic switch 2 . And, in Fig. 2, magnetic switch 2 is formed by the following components: excitation coil 3, it generates magnetomotive force by electrification; The coil part, which becomes the movable iron core and is composed of the plunger 6; the bite part, which uses the action of the plunger 6 to attract and move to the sleeve 5 side to move the shift lever 7 when the electromagnetic coil operates, and makes the shift lever 7 move. 7 a pinion gear 8 engaged with the lower end 7a; and a contact part that moves the movable contact 9 and engages with the fixed contacts 10 when the plunger 6 moves, and conducts electricity between the fixed contacts 10. At this time, a plunger shaft 11 that engages with the shift lever 7 and moves the shift lever 7 when the plunger 6 moves, and a contact shaft 12 are disposed inside the plunger 6 .

接点轴12在柱塞6移动规定的冲程后,保持与柱塞6卡合且移动推压可动接点9的轴环13。接点轴12被柱塞6的径向内周面6c(第1滑动支承部)可滑动地支承,另外,通过轴环13被轴套5的径向内周面5c(第2滑动支承部)可滑动地支承。另外,接点轴12具有用于在通电关闭(OFF)后,将柱塞6返回初始位置,使可动接点9从固定接点10分离的C复位弹簧14和柱塞复位弹簧15。The contact shaft 12 keeps engaging with the plunger 6 after the plunger 6 has moved a predetermined stroke, and moves to press the collar 13 of the movable contact 9 . The contact shaft 12 is slidably supported by the radial inner peripheral surface 6c (first sliding support portion) of the plunger 6, and is slidably supported by the radial inner peripheral surface 5c (second sliding support portion) of the sleeve 5 via the collar 13. Slidably supported. In addition, the contact shaft 12 has a C return spring 14 and a plunger return spring 15 for returning the plunger 6 to the initial position and separating the movable contact 9 from the fixed contact 10 after energization is turned off (OFF).

使用图3,对磁性开关2的吸引时的动作进行说明。通过将按键开关(未图示)开启(ON)来向励磁线圈3通电,柱塞6被向箭头所示的轴向一侧(接点闭合方向)吸引,柱塞6的径向内周面6c的轴向端部6a、与保持在具有可动接点9的接点轴12上的轴环13的径向外周面13c的轴向端部13a卡合。Using FIG. 3, the operation|movement at the time of attraction|suction of the magnetic switch 2 is demonstrated. By turning on (ON) the key switch (not shown) to energize the excitation coil 3, the plunger 6 is attracted to the axial side (contact closing direction) indicated by the arrow, and the radial inner peripheral surface 6c of the plunger 6 The axial end 6a of the shaft engages with the axial end 13a of the radially outer peripheral surface 13c of the collar 13 held on the contact shaft 12 having the movable contact 9 .

图4为柱塞6被进一步地吸引、可动接点9与固定接点10接合了的状态的动作图。以图3所示的动作与柱塞6卡合了的轴环13通过C拉伸弹簧16、绝缘板17使可动接点9移动并接合在固定接点10。接合后,通过可动接点9从电池侧的固定接点10向马达侧的固定接点10进行通电,使马达(未图示)旋转。FIG. 4 is an operation diagram of a state where the plunger 6 is further attracted and the movable contact 9 and the fixed contact 10 are engaged. The collar 13 engaged with the plunger 6 by the operation shown in FIG. 3 moves the movable contact 9 through the C tension spring 16 and the insulating plate 17 and engages with the fixed contact 10 . After joining, electricity is supplied from the fixed contact 10 on the battery side to the fixed contact 10 on the motor side through the movable contact 9 to rotate the motor (not shown).

在此,在本实施例中构成为,设置轴环13,使与柱塞6卡合并推压接点轴12的面不为接点轴12顶端面12a、而是相比于接点轴12的顶端面12a更靠近可动接点9侧。通过让柱塞6和接点轴12的卡合位置靠近可动接点9,如图4所示,受面和压面的跨径从相对于接点轴12的顶端面12a部:L1短至轴环13的径向外周面13c的轴向端部13a部:L2,接点轴12的变形、倾斜以L2÷L1的比例减少。Here, in this embodiment, the collar 13 is provided so that the surface that engages with the plunger 6 and presses the contact shaft 12 is not the front end surface 12a of the contact shaft 12, but the front end surface of the contact shaft 12. 12a is closer to the movable contact 9 side. By making the engagement position of the plunger 6 and the contact shaft 12 close to the movable contact 9, as shown in FIG. At the axial end portion 13a of the radially outer peripheral surface 13c of 13: L2, the deformation and inclination of the contact shaft 12 decrease at a ratio of L2÷L1.

使用图5说明在按键开关关闭(OFF)后,从固定接点9分离可动接点10的状态的动作。在按键开关关闭(OFF)后,柱塞6的吸引力消失,柱塞6因柱塞复位弹簧15而要向箭头所示的轴向另一侧(接点开放方向)返回。柱塞6在进行了规定量冲程后,接点轴12的顶端轴肩部12b和柱塞6的内周面6c的轴向端部6b卡合,除了从固定接点10分离可动接点9的C复位弹簧14的回弹力之外,还施加柱塞复位弹簧15的回弹力而分离。在此,柱塞6的内周面6c的轴向端部6b位于轴向端部6a的轴向另一侧。从固定接点10分离可动接点9之后,就成为图2所示的初始位置的状态。The operation in the state where the movable contact 10 is separated from the fixed contact 9 after the key switch is turned off (OFF) will be described using FIG. 5 . After the key switch is turned off (OFF), the suction force of the plunger 6 disappears, and the plunger 6 will return to the other side of the axial direction (contact opening direction) shown by the arrow due to the plunger return spring 15 . After the plunger 6 has performed a predetermined amount of stroke, the top end shoulder 12b of the contact shaft 12 engages with the axial end 6b of the inner peripheral surface 6c of the plunger 6, except for C that separates the movable contact 9 from the fixed contact 10. In addition to the resilient force of the return spring 14, the resilient force of the plunger return spring 15 is also applied to separate. Here, the axial end portion 6b of the inner peripheral surface 6c of the plunger 6 is located on the other side in the axial direction of the axial end portion 6a. After the movable contact 9 is separated from the fixed contact 10, the initial position shown in FIG. 2 is established.

通过进行如上所述的构成,即使将磁性开关2小型化使C复位弹簧14的负荷降低,也能够增加柱塞复位弹簧15的负荷而进行辅助,能够确保在按键开关关闭(OFF)后,从固定接点10分离可动接点9时的可靠性。By making the above configuration, even if the magnetic switch 2 is miniaturized and the load of the C return spring 14 is reduced, the load of the plunger return spring 15 can be increased to assist, and it is possible to ensure that the key switch is turned off (OFF). The reliability when the fixed contact 10 separates the movable contact 9.

另外,接点轴12、轴环13由非磁性体、尤其是树脂形成。In addition, the contact shaft 12 and the collar 13 are formed of a non-magnetic body, especially resin.

另外,将接点轴12和轴环13一体成形,在接点轴12的顶端轴肩部12b组装保持其他构件,也能够取得和上述构成相同的效果。In addition, the contact shaft 12 and the collar 13 are integrally formed, and other members are assembled and held on the distal end shoulder portion 12b of the contact shaft 12, and the same effect as the above configuration can be obtained.

以上的构成也可以如下表示。The above configuration can also be expressed as follows.

1)可动接点9的闭合动作时的卡合部(柱塞6的径向内周面6c的轴向端部6a和轴环13的径向外周面13c的轴向端部13a部)以及可动接点9的开放动作时的卡合部(接点轴12的顶端轴肩部12b和柱塞6的内周面6c的轴向端部6b)这两个卡合部被设置在柱塞6与接点轴12之间。1) Engagement portion (the axial end portion 6a of the radially inner peripheral surface 6c of the plunger 6 and the axial end portion 13a of the radially outer peripheral surface 13c of the collar 13) during the closing operation of the movable contact 9, and Two engaging portions (the tip shoulder portion 12 b of the contact shaft 12 and the axial end portion 6 b of the inner peripheral surface 6 c of the plunger 6 ) for the opening operation of the movable contact 9 are provided on the plunger 6 . Between the contact shaft 12.

2)可动接点9的闭合动作时的卡合部通过推压卡合而形成,可动接点9的开放动作时的卡合部通过钩挂卡合而形成。2) The engaging portion during the closing operation of the movable contact 9 is formed by push engagement, and the engaging portion during the opening operation of the movable contact 9 is formed by hook engagement.

3)两个卡合部间的距离比柱塞的冲程短。3) The distance between the two engaging parts is shorter than the stroke of the plunger.

4)可动接点9闭合动作时的推压卡合部由形成于接点轴12外周的外方突出部的端面(例如轴环13的径向外周面13c的轴向端部13a部)和柱塞6的内侧突出小径部的端面(例如柱塞6的径向内周面6c的轴向端部6a)构成。4) The push engagement portion when the movable contact 9 is closed is composed of the end surface of the outward protrusion formed on the outer periphery of the contact shaft 12 (for example, the axial end portion 13a of the radially outer peripheral surface 13c of the collar 13) and the column. The inner side of the plug 6 protrudes from the end surface of the small-diameter portion (for example, the axial end portion 6a of the radially inner peripheral surface 6c of the plunger 6).

5)可动接点开启动作时的钩挂卡合部由设置于轴的接点相反侧端部的外方突出部的端面和在与此对面的位置设置于柱塞的内侧突出小径部的端面构成。5) The hook engaging part when the movable contact is opened is composed of the end surface of the outward protrusion provided at the end of the shaft opposite to the contact, and the end surface of the inner protrusion small diameter part provided at the opposite position of the plunger. .

6)推压卡合部位于固定铁芯的轴支承部(轴套5)与钩挂卡合部之间。6) The push engagement part is located between the shaft support part (shaft sleeve 5) of the fixed iron core and the hook engagement part.

如同以上的说明,根据本发明,通过接点闭合动作中从接点轴的大致中央或可动接点的附近施加接点轴的推进力,能够防止由接点轴的压缩导致的弯曲变形或倾斜,获得接点轴稳定的移动动作。As described above, according to the present invention, by applying the propulsive force of the contact shaft from the approximate center of the contact shaft or the vicinity of the movable contact during the contact closing operation, it is possible to prevent the bending deformation or inclination caused by the compression of the contact shaft, and obtain the contact shaft Steady movement action.

进一步地,通过在接点轴的外周设置轴环并作为与柱塞的卡合面,能够使接点轴的推进力施加位置进一步靠近可动接点,且由于远离接点轴的径向支承点,因此能够消除支承点在滑动部位的接点轴的压缩变形,实现接点轴更加稳定的移动动作。Furthermore, by providing a collar on the outer periphery of the contact shaft as an engagement surface with the plunger, the propulsive force application position of the contact shaft can be further approached to the movable contact, and since it is far away from the radial support point of the contact shaft, it can be Eliminates the compression deformation of the contact shaft where the support point is in the sliding part, and realizes a more stable movement of the contact shaft.

另外,本发明并不限定于上述的实施例中,本发明还包含不脱离本发明主旨的各种变形例。例如,上述的实施例是为了容易理解地说明本发明本而进行的详细说明,本发明并不限定为必须包括说明了的全部构成。另外,对于实施例的构成的一部分,能够进行其他构成的追加、消除、置换。In addition, the present invention is not limited to the above-described embodiments, and the present invention includes various modified examples without departing from the gist of the present invention. For example, the above-mentioned embodiments are detailed explanations for explaining the present invention easily, and the present invention is not limited to including all the configurations described. In addition, addition, deletion, and replacement of other configurations can be performed on a part of the configurations of the embodiments.

符号说明Symbol Description

1 起动机主体1 starter body

2 磁性开关2 Magnetic switches

3 励磁线圈3 field coil

4 线圈外壳4 Coil housing

5 轴套5 bushing

6 柱塞6 plunger

6a 径向内周面6a Radial inner peripheral surface

6b 内周面6b inner peripheral surface

7 变速杆7 gear lever

7a 下端7a lower end

8 小齿轮8 small gears

9 可动接点9 movable contacts

10 固定接点10 fixed contacts

11 柱塞轴11 plunger shaft

12 接点轴12 joint shaft

12a 顶端面12a Top face

12b 顶端轴肩部12b Top Shaft Shoulder

13 轴环13 Collar

14 C复位弹簧14 C return spring

15 柱塞复位弹簧15 plunger return spring

16 C拉伸弹簧16 C extension spring

17 绝缘板。17 Insulation board.

Claims (4)

1.一种磁性开关,其通过向电磁线圈通电而抵抗弹簧的力地将柱塞向固定铁芯吸引,用该柱塞操作接点轴以开闭接点,所述磁性开关的特征在于,1. A magnetic switch which attracts a plunger to a fixed iron core against the force of a spring by energizing an electromagnetic coil, and operates a contact shaft with the plunger to open and close a contact, said magnetic switch being characterized in that 所述接点轴被形成于所述柱塞的第1滑动支承部和形成于所述固定铁芯的第2滑动支承部可滑动地支承,The contact shaft is slidably supported by a first sliding support portion formed on the plunger and a second sliding support portion formed on the fixed iron core, 柱塞卡合在所述接点轴上且用于使所述接点轴向接点闭合方向推进的第1卡合部被设置在所述第1滑动支承部与所述第2滑动支承部之间。A plunger is engaged with the contact shaft and a first engaging portion for advancing the contact shaft in a contact closing direction is provided between the first sliding support portion and the second sliding support portion. 2.如权利要求1所述的磁性开关,其特征在于,所述磁性开关如下构成:2. The magnetic switch according to claim 1, wherein the magnetic switch is composed as follows: 在向所述电磁线圈的通电被断开、所述柱塞由于所述弹簧的力而返回到初始位置时,在进行了规定量冲程后,设置在接点轴端部的第2卡合部和柱塞内径部卡合。When the energization to the electromagnetic coil is turned off and the plunger is returned to the initial position by the force of the spring, after a predetermined amount of stroke is performed, the second engaging portion provided at the end of the contact shaft and the The inner diameter of the plunger engages. 3.如权利要求1所述的磁性开关,其特征在于,3. The magnetic switch according to claim 1, characterized in that, 所述第1卡合部由嵌合在所述接点轴的轴环形成。The first engaging portion is formed by a collar fitted on the contact shaft. 4.一种起动机,其特征在于,4. A starter, characterized in that, 具有权利要求1-3中的任一项所述的磁性开关。It has the magnetic switch described in any one of claims 1-3.
CN201480070685.5A 2013-12-25 2014-11-12 Magnetic switch and starter with the magnetic switch Active CN105849847B (en)

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JP2013266302 2013-12-25
JP2013-266302 2013-12-25
PCT/JP2014/079908 WO2015098327A1 (en) 2013-12-25 2014-11-12 Magnetic switch, and starter equipped with same

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CN107835898B (en) * 2015-06-26 2019-10-08 日立汽车系统株式会社 Magnetic switch and engine starting gear
WO2017179100A1 (en) * 2016-04-11 2017-10-19 三菱電機株式会社 Solenoid actuator

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CN201112200Y (en) * 2007-08-08 2008-09-10 中山市南朗镇创建电子元件厂 power switch button

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FR2663909B1 (en) * 1990-06-27 1994-01-28 Valois DEVICE FOR CONTAINING A LIQUID OR PASTY PRODUCT TO BE DISPENSED WITHOUT AIR INTAKE, AND ITS MANUFACTURING METHOD.
US5519370A (en) * 1991-03-28 1996-05-21 Kilovac Corporation Sealed relay device
DE69219890T2 (en) * 1991-03-28 1998-01-02 Kilovac Corp DC vacuum relay device
JPH0577844U (en) * 1992-03-25 1993-10-22 いすゞ自動車株式会社 magnetic switch
JP3235783B2 (en) * 1997-05-13 2001-12-04 株式会社日立製作所 Magnetic switch for starter
IT1301872B1 (en) * 1998-07-24 2000-07-07 Abb Adda S P A COMMAND AND CONTROL DEVICE FOR HIGH AND MEDIUM VOLTAGE SWITCHES
JP2004270511A (en) * 2003-03-07 2004-09-30 Hitachi Ltd Magnetic switch for starter
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JP5569349B2 (en) * 2009-12-11 2014-08-13 株式会社デンソー Electromagnetic relay

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Address after: Ibaraki

Patentee after: Hitachi astemo Co.,Ltd.

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Patentee before: HITACHI AUTOMOTIVE SYSTEMS, Ltd.