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CN1039952C - switchgear - Google Patents

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Publication number
CN1039952C
CN1039952C CN96106603A CN96106603A CN1039952C CN 1039952 C CN1039952 C CN 1039952C CN 96106603 A CN96106603 A CN 96106603A CN 96106603 A CN96106603 A CN 96106603A CN 1039952 C CN1039952 C CN 1039952C
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CN
China
Prior art keywords
contact
lever
joint
pole plate
switching device
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN96106603A
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Chinese (zh)
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CN1139283A (en
Inventor
安田冬树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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Filing date
Publication date
Priority claimed from JP14895195A external-priority patent/JP3163316B2/en
Priority claimed from JP14895295A external-priority patent/JP3163317B2/en
Priority claimed from JP27708395A external-priority patent/JP3231229B2/en
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of CN1139283A publication Critical patent/CN1139283A/en
Application granted granted Critical
Publication of CN1039952C publication Critical patent/CN1039952C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • H01H21/40—Driving mechanisms having snap action
    • H01H21/44—Driving mechanisms having snap action produced by flexing blade springs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles
    • H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5805—Connections to printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H2001/5888—Terminals of surface mounted devices [SMD]
    • 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
    • H01H9/12—Means for earthing parts of switch not normally conductively connected to the contacts
    • 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
    • H01H9/14—Adaptation for built-in safety spark gaps

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Manufacture Of Switches (AREA)
  • Patch Boards (AREA)

Abstract

The invention relates to a switching device with integrally molded pole plates of a terminal block; a rotatable lever; a movable contact mounted on the lever and having a movable contact portion at one end thereof to be brought into contact with and separated from the fixed contact terminal and a curved flat plate-shaped sliding portion at the other end thereof; a torsion coil spring for continuously urging the lever in a predetermined rotational direction; the bottom surface of the free end of the sliding part of the movable contact is in sliding contact with the common contact joint, so that the common joint is hemispherical or protrudes from the inner bottom surface of the pole plate, and the elastic force of the sliding part can be used as the rotating force of the lever.

Description

开关装置switchgear

本发明涉及用于挂钩开关等的开关装置，该挂钩开关，例如设在电话机体上，用于检测话筒是否放在电话机体上，更具体说，涉及这种开关装置接触结构的改进。The present invention relates to a switchgear for a hook switch etc., provided, for example, on a telephone body for detecting whether a microphone is placed on the telephone body, and more particularly to an improvement in the contact structure of such a switchgear.

图3为部件分解透视图，它表示这种形式的开关装置的一个通常的例子。Fig. 3 is an exploded perspective view showing a typical example of this type of switchgear.

图示的开关装置一般包括：极板5、绝缘杠杆6、可动触点7、扭转螺旋形弹簧8和盖9；极板5具有第一个固定接触接头1、第二个固定接触接头2、公共接触接头3和整体模压成的外部连接接头4；绝缘杠杆6放入极板5中，可以转动；可动触点7与杠杆6连接，在杠杆的两端具有夹子形的接触部分7a，7b；扭转螺旋弹簧8连续地将杠杆6推向预先决定的转动方向；盖9用于封闭极板5，和杠杆6，扭转螺旋弹簧8等，将这些组成部分综合成一整体。The illustrated switchgear generally includes: a pole plate 5, an insulating lever 6, a movable contact 7, a torsion coil spring 8 and a cover 9; the pole plate 5 has a first fixed contact joint 1 and a second fixed contact joint 2 , the public contact joint 3 and the integral molded external connection joint 4; the insulating lever 6 is placed in the pole plate 5 and can be rotated; the movable contact 7 is connected with the lever 6, and there are clip-shaped contact parts 7a at both ends of the lever , 7b; the torsional coil spring 8 continuously pushes the lever 6 to a predetermined direction of rotation; the cover 9 is used to close the plate 5, and the lever 6, the torsion coil spring 8, etc., integrate these components into a whole.

特别是，这种通常的开关装置的第一个固定接触接头1和公共接触接头3突起在极板5的内部底平面上，并且固定接触接头2放在第一个固定接触接头1上面，与固定接触接头1隔开一个预先决定的距离，使达到第一个或第二个接触接头，象纸张夹子一样，被可动触点7的接触部分7a固定，可动触点7与杠杆6连接，而公共接触接头3象纸张夹子一样，被可动触点7的接触部分7b固定的状态。然后，当杠杆6围绕支承在极板5的支承部分5a上的支承轴6a转动时，可动触点7的接触部分7b保持与公共接触接头3接触，接触部分7a与第一和第二个固定接触接头1，2接触和与第一及第二个固定接触接头1，2分开，这样回路的通/断切换成为可能。另外，扭转螺旋弹簧8的缠绕部分8a放置在杠杆6的弹簧放置部分6b中，并且其一个自由端部分8b靠着杠杆6的弹簧接收表面，由于当盖9与弹簧另一自由末端部分8c接触时，盖9将另一自由末端部分8c向下推，杠杆6被杠杆6的自由末端部分6h连续地在预先决定的回转方向(接触部分7a沿着它与第一个固定接触接头1接触的方向)上推动。In particular, the first fixed contact joint 1 and the common contact joint 3 of this usual switching device protrude on the inner bottom plane of the pole plate 5, and the fixed contact joint 2 is placed on the first fixed contact joint 1, with The fixed contact joints 1 are spaced a predetermined distance apart so that the first or second contact joints reached, like paper clips, are held by the contact portion 7a of the movable contact 7, which is connected to the lever 6 , and the state where the common contact joint 3 is fixed by the contact portion 7b of the movable contact 7 like a paper clip. Then, when the lever 6 rotates around the support shaft 6a supported on the support portion 5a of the pole plate 5, the contact portion 7b of the movable contact 7 remains in contact with the common contact joint 3, and the contact portion 7a contacts the first and second The fixed contact joints 1, 2 are in contact with and separated from the first and second fixed contact joints 1, 2, so that on/off switching of the circuit becomes possible. In addition, the winding portion 8a of the torsion coil spring 8 is placed in the spring placement portion 6b of the lever 6, and its one free end portion 8b is abutted against the spring receiving surface of the lever 6, since when the cover 9 is in contact with the other free end portion 8c of the spring , the cover 9 pushes down the other free end portion 8c, and the lever 6 is continuously rotated in the predetermined direction of rotation by the free end portion 6h of the lever 6 (the contact portion 7a is in contact with the first fixed contact joint 1 along the direction) to push up.

因此，假如在杠杆6的操作部分6c上没有向下的负荷时，例如在话筒从电话机体上取下的情况下，则开关装置通过扭转螺旋弹簧8的推力保持可动触点7的接触部分7a，与第一个固定接触接头1接触的状态，这样，通过可动触点7形成一个通过第一个固定接触接头1和公共接触接头3导通的电路。此后，假如在杠杆6的操作部分6c上有向下的负荷作用时，比如当话筒放回电话机体上时，杠杆6克服扭转螺旋弹簧8的推力而回转，使接触部分7a离开第一个固定接触接头1，并与第二个固定接触接头2接触，从而，通过可动触点7形成一个通过第二个固定接触接头2和公共接触接头3导通的电路。这样，由于电路的通/断切换是根据加在操纵部分6c上的负荷来进行的，因此可以检测话筒是放在电话机体上或是从电话机体上取下。Therefore, if there is no downward load on the operating portion 6c of the lever 6, for example, when the handset is removed from the telephone body, the switching device maintains the contact portion of the movable contact 7 by the urging force of the torsion coil spring 8. 7a, the state of being in contact with the first fixed contact joint 1, in this way, a conductive circuit is formed through the first fixed contact joint 1 and the common contact joint 3 through the movable contact 7. Thereafter, if there is a downward load on the operating portion 6c of the lever 6, such as when the handset is put back on the telephone body, the lever 6 is turned against the thrust of the torsion coil spring 8, so that the contact portion 7a leaves the first fixed position. The contact joint 1 is in contact with the second fixed contact joint 2, thereby forming a conductive circuit through the second fixed contact joint 2 and the common contact joint 3 through the movable contact 7. Thus, since the on/off switching of the circuit is performed according to the load applied to the operating portion 6c, it is possible to detect whether the microphone is placed on or removed from the telephone body.

上述通常的开关装置有这样一些缺点，即，由于设在可动触点7的两个末端上的夹子形接触部分7a和7b要分别夹住第一或第二个固定接触接头1或2和公共接触接头3，这样，用于获得可动触点7的施压操作复杂了；又由于当将杠杆6装入极板5中时，必须将可动触点7的两个末端部分推开，使它变宽，这样装配工作不可能平稳地进行；另外，因为所有的接触接头1～3必须以平面突入极板5的内部空间，这样，制造极板5的金属模就复杂化了，—这些缺点是使制造成本提高的一个因素。The above-mentioned common switching device has some disadvantages, that is, since the clip-shaped contact portions 7a and 7b provided on the two ends of the movable contact 7 will respectively clamp the first or second fixed contact joint 1 or 2 and Common contact joint 3, like this, is used to obtain the pressing operation of movable contact 7 complicated; Because when lever 6 is packed in pole plate 5 again, must push away the two end portions of movable contact 7 , make it wider, so that the assembly work cannot be carried out smoothly; in addition, because all the contact joints 1-3 must protrude into the inner space of the pole plate 5 with a plane, like this, the metal mold for manufacturing the pole plate 5 is just complicated, - These disadvantages are a factor that increases the manufacturing cost.

另外，在上述通常的开关装置的情况下，由于扭转螺旋弹簧8需要能够使杠杆6快速在其返回方向转动的大的推力，因此，必须在装置中放入一个有一定尺寸大小的扭转螺旋弹簧8，在杠杆6上必须有一个一定尺寸大小的，用于放置扭转螺旋弹簧8的空间，这也是一个妨碍其尺寸减小的因素。In addition, in the case of the above-mentioned conventional switch device, since the torsion coil spring 8 needs a large thrust force capable of rapidly turning the lever 6 in its return direction, it is necessary to put a torsion coil spring of a certain size in the device. 8. There must be a space of a certain size on the lever 6 for placing the torsion coil spring 8, which is also a factor hindering its size reduction.

考虑到传统技术的这些问题，提出了本发明，其目的是提供一种可用于，例如挂钩电话上的，开关装置，它能够降低成本、并有利于减小尺寸。例如，可以通过简化其成型的金属模而减小尺寸和改善装配性。In view of these problems of the conventional technology, the present invention has been made, and it is an object of the present invention to provide a switch device which can be used, for example, on a hook-up telephone, which can reduce the cost and facilitate the downsizing. For example, size reduction and assemblability can be improved by simplifying the metal mold for its molding.

本发明的上述目的可以通过下列部分而达到：一个具有整体模压制出的公共接触接头、固定的接触接头和外部接触接头的极板；可相对极板转动的绝缘杠杆；装在杠杆上的可动触点，该触点与所述公共接触接头连续地弹性接触，并且随着杠杆的转动，可以进入与所述固定接触接头接触和从所述接触接头离开；和一个用于连续地向着预先决定的转动方向推动所述杠杆的扭转螺旋弹簧；其中，与所述公共接触接头弹性接触的所述可动触点部分作成一个平板弹簧形的滑动件，它在其自由端一侧的底面处弯曲成能与公共接触接头滑动接触。这里，最好将所述公共接触接头作成从所述极板的内部底面上凸出出来的形状(例如半球形)，同时更希望由所述滑动部分的弹性斥力产生的回转力引起的所述杠杆的转动方向与由所述扭转螺旋弹簧的推动力产生的转动力的作用产生的杠杆转动方向为同一方向。The above object of the present invention can be achieved by the following parts: a pole plate with integrally molded common contact joints, fixed contact joints and external contact joints; an insulating lever rotatable relative to the pole plate; a movable contact, which is in continuous elastic contact with said common contact joint, and can come into contact with said fixed contact joint and leave from said contact joint with the rotation of the lever; The determined direction of rotation pushes the torsion coil spring of the lever; wherein the movable contact part in elastic contact with the common contact joint is formed as a flat spring-shaped slider, which is at the bottom surface on the side of its free end Bent to be in sliding contact with the common contact joint. Here, it is preferable to make the common contact joint into a shape protruding from the inner bottom surface of the pole plate (such as a hemispherical shape), and it is more desirable that the rotation force caused by the elastic repulsion force of the sliding part causes the The rotation direction of the lever is the same direction as the rotation direction of the lever generated by the action of the rotation force generated by the driving force of the torsion coil spring.

通常的触点结构的可动触点如同纸夹子一样夹住平板形公共接触接头，这种结构是这样改变的：如上所述，可动触点的滑动部分的底面与公共接触接头滑动接触，因此，随着杠杆的转动，滑动部分相对于公共接触接头滑动；由于使公共接触接头，例如以半球形，在极板的内部底面上升起已足够，这样，极板成型的金属模可以不太复杂，并且当将杠杆放在极板内时，不需要将可动触点的两个端部推开，扩宽，从而改善了装配性。另外，由于与公共接触接头接触的所述滑动部分的弹力传给杠杆，因此，通过利用弹力作为杠杆的返回回转力，即使当使用推力较小的扭转螺旋弹簧，也可以获得足够大的返回回转力。The movable contact of the usual contact structure clamps the flat-shaped common contact joint like a paper clip, and this structure is changed in this way: as mentioned above, the bottom surface of the sliding part of the movable contact is in sliding contact with the common contact joint, Therefore, along with the rotation of the lever, the sliding part slides with respect to the common contact joint; it is enough to make the common contact joint, such as hemispherical, to rise on the inner bottom surface of the pole plate, and like this, the metal mold of the pole plate forming can be less Complicated, and when the lever is placed inside the pole plate, there is no need to push the two ends of the movable contact apart, widening, thereby improving the assemblability. In addition, since the elastic force of the sliding portion in contact with the common contact joint is transmitted to the lever, by utilizing the elastic force as the return turning force of the lever, a sufficiently large return turning can be obtained even when a torsion coil spring with a small thrust force is used. force.

附图简要说明Brief description of the drawings

图1表示本实施例的结构，其操作部分没有推入；Fig. 1 represents the structure of the present embodiment, and its operating part is not pushed in;

图2表示同一实施例的结构，其操作部分已推入；Fig. 2 represents the structure of the same embodiment, and its operating part has been pushed into;

图3表示出一通常结构实例的分解透视图。Fig. 3 shows an exploded perspective view of an example of a general structure.

实施例Example

现参阅图1和图2来说明根据本发明的开关装置的一个实施例，图1和图2中与用来说明通常结构实例的图3中相对应部分用相同参考标码表示。An embodiment of a switchgear according to the present invention will now be described with reference to Fig. 1 and Fig. 2, in Fig. 1 and Fig. 2, corresponding parts in Fig. 3 for illustrating a general structural example are denoted by the same reference numerals.

图1和图2所示的开关装置包括：具有整体模压出的接头组1～4的极板5；放在极板5中，可以用绕支承在极板5的支承部分5a上的支承轴6a转动的绝缘杠杆6；装在杠杆6上的可动触点7，其一端具有夹子形的接触部分7a，其另一端具有曲线平板弹簧形滑动部分7c；扭转螺旋弹簧8具有放在杠杆6内的缠绕部分8a和在预先决定的转动方向(如图所示的顺时针方向)连续地推动杠杆6的一端部8b；和盖9，盖9为包括杠杆6的极板5，扭转螺旋弹簧8等提供一个罩，并将扭转螺旋弹簧8的另一自由末端8c推向下；其中，所述接头组1～4的第一个固定接触接头1和第二个固定接触接头2以平板突出在极板5的内部空间中，可动触点7的接触部分7a向着第二个固定接触接头2运动和离开它，可动触点的滑动部分7c连续地与公共接触接头3滑动接触，使公共接触接头3以半球形从极板5的内部底面上突出，另外，使从相应的接触接头1～3出来的外部接触接头4向着极板5的外侧突出。The switchgear shown in Fig. 1 and Fig. 2 comprises: there is the polar plate 5 of joint group 1～4 that integrally molds out; 6a rotates the insulating lever 6; the movable contact 7 mounted on the lever 6 has a clip-shaped contact portion 7a at one end, and a curved plate spring-shaped sliding portion 7c at the other end; the torsion coil spring 8 has a position on the lever 6 The inner winding part 8a and one end 8b of the lever 6 are continuously pushed in a predetermined rotation direction (clockwise as shown in the figure); and the cover 9 is the pole plate 5 including the lever 6, and the torsion coil spring 8, etc. provide a cover, and push down the other free end 8c of the torsion coil spring 8; wherein, the first fixed contact joint 1 and the second fixed contact joint 2 of the joint groups 1-4 protrude in a flat plate In the inner space of the pole plate 5, the contact portion 7a of the movable contact 7 moves toward and away from the second fixed contact joint 2, and the sliding portion 7c of the movable contact is continuously in sliding contact with the common contact joint 3, so that The common contact terminal 3 protrudes from the inner bottom surface of the pole plate 5 in a hemispherical shape, and the outer contact terminal 4 from the corresponding contact terminal 1 - 3 protrudes towards the outside of the pole plate 5 .

特别是，在本实施例中，连续地与公共接触接头3弹性接触的可动触点7的部分作成平板弹簧形的滑动部分7c，它弯曲成与在可动触点7的自由端底面上的公共接触接头3滑动接触，而不是象在通常产品中的夹子形形状；由于这个原因，公共接触接头3的形状不是象在通常产品情况中的平板形状，而是作成稍微从极板5的内部底面上突起的半球形状。这里，滑动部分7c的自由端的曲线形状为围绕杠杆6的回转中心的圆弧。另外，滑动部分7c的底面将由其与公共接触接头3弹性接触产生的反作用力(弹性力)传给杠杆6，这种弹性力的作用是使杠杆6顺时针方向转动的力，如图中所示(使接触部分7a与第一个固定接触接头1接触的方向)。Particularly, in the present embodiment, the part of the movable contact 7 which is in continuous elastic contact with the common contact joint 3 is made as a flat spring-shaped sliding portion 7c which is bent so as to be in contact with the bottom surface of the free end of the movable contact 7. The common contact joint 3 sliding contacts, rather than like in the clip-shaped shape in common products; For this reason, the shape of common contact joint 3 is not like the plate shape in common product situation, but is made slightly from the pole plate 5 A raised hemispherical shape on the inner bottom surface. Here, the curved shape of the free end of the sliding portion 7 c is an arc around the center of rotation of the lever 6 . In addition, the bottom surface of the sliding part 7c transmits the reaction force (elastic force) generated by its elastic contact with the common contact joint 3 to the lever 6, and the effect of this elastic force is to make the lever 6 rotate clockwise, as shown in the figure Shown (direction to make the contact portion 7a contact with the first fixed contact terminal 1).

采用具有这种结构的开关装置，当杠杆6围绕作为转动轴的支承轴6a转动，同时可动触点7的滑动部分7c相对半球形的公共接触接头3滑动，以保持与接头3接触时，接触部分7a与第一和第二个固定接触接头1，2接触和脱离，从而进行电路的通/断切换。特别是，假如作用在杠杆6的操作部分6c上的向下负荷撤销，就如在话筒从电话机体上提起的情况一样，杠杆6由扭转螺旋弹簧8的推力和可动触点7的滑动部分7c的弹性力作用而回转，使得接触部分7a与第一个固定接触接头1接触，形成一电路，在该电路中固定接触接头1和公共接触接头3通过可动触点7导通(图1的状态)。此后，当在杠杆6的操作部分6c上施加向下的负荷，如话筒放回电话机体上的情况一样时，杠杆6克服扭转螺旋弹簧6的推力和滑动部分7c的弹性力作用，向相反方向转动，使接触部分7a离开第一个固定接触接头1，并与第二个固定接触接头2接触，从而形成一电路，在该电路中第二个固定接触接头2和公共接触接头3通过可动触点7导通(图2的状态)。因此，基于电路的切换，例如，可以通过电路的这种切换检测话筒是放在电话机体上或是从电话机上取下。With the switchgear having this structure, when the lever 6 rotates around the support shaft 6a as the rotation shaft while the sliding portion 7c of the movable contact 7 slides relative to the hemispherical common contact joint 3 to keep in contact with the joint 3, The contact portion 7a contacts and disengages with the first and second fixed contact terminals 1, 2, thereby performing on/off switching of the circuit. In particular, if the downward load acting on the operating portion 6c of the lever 6 is removed, as in the case where the handset is lifted from the telephone body, the lever 6 is pressed by the thrust of the torsion coil spring 8 and the sliding portion of the movable contact 7. The elastic force of 7c turns and makes the contact part 7a contact with the first fixed contact joint 1 to form a circuit, in which the fixed contact joint 1 and the common contact joint 3 are conducted through the movable contact 7 (Fig. 1 status). Thereafter, when a downward load is applied on the operating portion 6c of the lever 6, as when the microphone is put back on the phone body, the lever 6 overcomes the thrust of the torsion coil spring 6 and the elastic force of the sliding portion 7c to move in the opposite direction. Rotate, so that the contact part 7a leaves the first fixed contact joint 1, and contacts the second fixed contact joint 2, thereby forming a circuit, in which the second fixed contact joint 2 and the common contact joint 3 pass through the movable Contact 7 conducts (state of FIG. 2 ). Therefore, based on the switching of the circuit, for example, it is possible to detect whether the microphone is put on or removed from the phone body by this switching of the circuit.

由于上述的实施例是这样设计的，即随着杠杆6的转动，可动触点7的滑动部分7c相对于公共接触接头3滑动，而不是采用通常的可动触点夹住公共接触接头，象纸夹子那样的触点结构，因此，使半圆形的公共接触接头在极板5的内部底面上突起就足够了，从而简化了极板5的成形金属模；另外，当将杠杆6放入极板5中时，将可动触点的一个末端部分推开、扩宽就足够了(向着接触部分7a的末端部分)，因此，其装配性也可以改善。另外，由于可以利用与公共接触接头3弹性接触的可动触点7滑动部分7c的弹性力作为杠杆6的回转返回力，因此，即使利用一个推力较弱的小弹簧作为扭转螺旋弹簧8，也可以将足够大的回转返回力传给杠杆6；由于这个原因，杠杆6的弹簧安放部分和极板5的内部空间可以做得小一些，以进一步减小装置的尺寸，这是一个优点。Since the above-mentioned embodiment is designed in such a way that as the lever 6 rotates, the sliding portion 7c of the movable contact 7 slides relative to the common contact joint 3, instead of clamping the common contact joint by the usual movable contact, As the contact structure of paper clips, therefore, it is enough to make the semicircular public contact joint protrude on the inner bottom surface of the pole plate 5, thereby simplifying the forming metal mold of the pole plate 5; in addition, when the lever 6 is placed When inserting into the pole plate 5, it is enough to push away and widen one end portion of the movable contact (towards the end portion of the contact portion 7a), therefore, its assemblability can also be improved. In addition, since the elastic force of the movable contact 7 sliding portion 7c in elastic contact with the common contact joint 3 can be utilized as the turning return force of the lever 6, even if a small spring with a weak thrust is used as the torsion coil spring 8, A sufficiently large rotary return force can be transmitted to the lever 6; for this reason, the inner space of the spring rest portion of the lever 6 and the pole plate 5 can be made smaller to further reduce the size of the device, which is an advantage.

另外，由于在本实施例中，与公共接触接头3滑动接触的可动触点7滑动部分7c的自由端曲线形状为围绕杠杆6的转动中心的圆弧，这样，即使在杠杆6转动时，滑动部分7c的曲线形状改变很小，因此，在滑动部分7c的弯曲和曲线部分处，很少可能会产生过大的应力集中或疲劳，这样不会出现产品的寿命问题。In addition, since in the present embodiment, the free end curve shape of the movable contact 7 sliding part 7c that is in sliding contact with the common contact joint 3 is an arc around the center of rotation of the lever 6, even when the lever 6 rotates, The shape of the curve of the sliding portion 7c changes little, and therefore, there is little possibility of excessive stress concentration or fatigue at the curved and curved portion of the sliding portion 7c, so that there is no problem with the life of the product.

应当注意，虽然，在本实施例中，公共接触接头3是半球形地从极板5的内部底面上突起的，但任何作成从内部底面上凸起的形状的公共接触接头都可以使可动触点7的滑动部分7c接触，而不会使极板5成形的金属模复杂化。It should be noted that although, in this embodiment, the common contact joint 3 protrudes from the inner bottom surface of the pole plate 5 in a hemispherical manner, any public contact joint that is made into a shape that protrudes from the inner bottom surface can make the movable The sliding portion 7c of the contact point 7 contacts without complicating the metal mold for forming the pole plate 5.

如上所述，根据本发明的开关装置是这样采用的，即在可动触点上设有曲线形的平板弹簧状的滑动部分，并且滑动部分的底面，随着杠杆的转动，在公共接触接头上滑动；因此，使公共接触接头以从极板内部底面凸出的形状突起就足够了，而不需要平板形的形状，结果导致一个优点，即极板成型的金属模可以简化；另外，由于当将杠杆放入极板中时，不需要将可动触点的两个末端部分推开、扩宽，因此有装配性改善的优点；另外，通过将与公共接触接头弹性接触的所述滑动部分的弹性力用作杠杆的回转返回力，因此具有即使当使用了推动力较弱的小扭转螺旋弹簧，也可得到足够大的回转返回力的优点，结果，开关装置可以达到较低的成本和较小的尺寸，适合挂钩开关等使用。As described above, the switchgear according to the present invention is adopted in such a way that the movable contact is provided with a curved flat spring-like sliding portion, and the bottom surface of the sliding portion, along with the rotation of the lever, is in contact with the common contact joint. Therefore, it is enough to make the common contact joint protrude in a shape protruding from the inner bottom surface of the pole plate, instead of a flat plate shape, resulting in an advantage that the metal mold for forming the pole plate can be simplified; in addition, because When the lever is put into the pole plate, there is no need to push and widen the two end parts of the movable contact, so there is an advantage of improved assembly; Part of the elastic force is used as the turning return force of the lever, so there is an advantage that a sufficiently large turning return force can be obtained even when a small torsion coil spring with a weak driving force is used, and as a result, the switching device can be achieved at a lower cost And smaller size, suitable for hook switch and so on.

Claims (4)

1. switching device, it comprises: one has the public contact joint that integral die goes out; The pole plate of fixing contact joint and outside jointing and outside jointing; Can be with respect to the insulation lever of pole plate rotation; Be contained in and cover, always with described common contact Elastic Contact with can be along with the rotation and the described moving contact that fixedly contacts the joint contact and leave this joint of lever; Promote the torsion-coil spring of described lever with being used for continuously in the rotation direction that is predetermined; It is characterized in that with the slipper that the described public part that contacts the described moving contact of joint elastic contact makes planar spring shape, this part makes shaped form on the bottom surface of its free end one side, contacts with the public joint sliding that contacts.
2. according to the switching device of claim 1, it is characterized in that described public contact joint makes the shape of coming out from the inner bottom surface projection of described pole plate.
3. according to the switching device of claim 1 or 2, it is characterized in that the elastic force of using described slipper is same direction as the rotation direction of the described lever of rotatory force and the thrust of using described torsion-coil spring as the lever rotation direction of rotatory force.
4. according to any described switching device in the claim 1 to 3, it is characterized in that the curve shape on free terminal one side of described slipper is set to around the circular shape of the pivot center of described lever.
CN96106603A 1995-06-15 1996-06-14 switchgear Expired - Fee Related CN1039952C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP148951/95 1995-06-15
JP14895195A JP3163316B2 (en) 1995-06-15 1995-06-15 Electrical parts with terminals
JP14895295A JP3163317B2 (en) 1995-06-15 1995-06-15 Switch device
JP148952/95 1995-06-15
JP277083/95 1995-09-29
JP27708395A JP3231229B2 (en) 1995-09-29 1995-09-29 Electronic component mounting structure

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CN98100305A Division CN1069146C (en) 1995-06-15 1998-01-05 Electric Component part with terminal and mounting structure thereof

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CN1139283A CN1139283A (en) 1997-01-01
CN1039952C true CN1039952C (en) 1998-09-23

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CN96106603A Expired - Fee Related CN1039952C (en) 1995-06-15 1996-06-14 switchgear
CN98100305A Expired - Fee Related CN1069146C (en) 1995-06-15 1998-01-05 Electric Component part with terminal and mounting structure thereof

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CN98100305A Expired - Fee Related CN1069146C (en) 1995-06-15 1998-01-05 Electric Component part with terminal and mounting structure thereof

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KR (1) KR100230525B1 (en)
CN (2) CN1039952C (en)
DE (1) DE19623802C2 (en)
FR (2) FR2735608B1 (en)
IT (1) IT1284022B1 (en)
MY (1) MY126630A (en)
TW (2) TW444523B (en)

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JP4717747B2 (en) * 2006-08-10 2011-07-06 東洋電装株式会社 Automatic reset switch
JP4792350B2 (en) * 2006-08-10 2011-10-12 東洋電装株式会社 switch
JP6414483B2 (en) 2015-02-23 2018-10-31 オムロン株式会社 switch
US10219381B2 (en) * 2017-03-22 2019-02-26 Carling Technologies, Inc. Circuit board mounted switch with electro static discharge shield

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US1968568A (en) * 1932-02-08 1934-07-31 Putnam Hamilton Electric switch
US4398069A (en) * 1982-04-26 1983-08-09 Amp Incorporated Sealed electrical contact assembly and actuating mechanism therefor
US4456800A (en) * 1983-05-25 1984-06-26 Allen-Bradley Company Planar contact array switch having improved ground path for dissipating electrostatic discharges
JPH0327305Y2 (en) * 1984-12-13 1991-06-13
US4843197A (en) * 1986-10-31 1989-06-27 Idec Izumi Corporation Bush switch and method of production thereof
US4913285A (en) * 1987-03-09 1990-04-03 Alps Electronic Co., Ltd. Water-and-dust-proof push-button switch housing dummy terminal for air venting

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IT1284022B1 (en) 1998-05-08
DE19623802C2 (en) 2001-07-26
MY126630A (en) 2006-10-31
TW444523B (en) 2001-07-01
FR2737804A1 (en) 1997-02-14
FR2737804B1 (en) 1999-03-05
KR100230525B1 (en) 1999-11-15
CN1202715A (en) 1998-12-23
TW404151B (en) 2000-09-01
CN1139283A (en) 1997-01-01
ITMI961221A0 (en) 1996-06-14
CN1069146C (en) 2001-08-01
DE19623802A1 (en) 1996-12-19
FR2735608A1 (en) 1996-12-20
FR2735608B1 (en) 1999-03-05
KR970003317A (en) 1997-01-28
ITMI961221A1 (en) 1997-12-14

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