Push-in switch
A switch device, push-in technology, applied in the direction of electrical switches, contacts, electrical components, etc., can solve the problems of easy slippage of the movable contact part 25, poor conduction of the fixed contact 29, and complicated forming and processing of the frame body 21.
Inactive Publication Date: 2003-04-16
ALPS ALPINE CO LTD
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Problems solved by technology
[0011] However, in the above-mentioned example of the first prior art, the fixed contact 29 is exposed in the resin molded recess 21b, and the fulcrum portion 27 of the movable contact member 25 is caught in the recess 21b, so the fixed contact 29 is easily covered with resin. In addition, since the fulcrum portion 27 of the movable contact member 25 is received by resin, the movement of the movable contact member 25 tends to slip, thereby easily causing poor conduction between the fulcrum portion 27 of the movable contact portion 25 and the fixed contact 29.
[0012] In addition, since the support portion 21a protrudes from the inner surface of the frame body 21, the molding process of the frame body 21 is complicated.
Method used
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[0037] figure 1 It is a longitudinal sectional view of an embodiment of the present invention, showing its normal state. figure 2 It is a longitudinal sectional view of an embodiment of the present invention, showing a state in which the operation knob is fully pushed inside. Fig. 3 is a perspective view showing a joint relationship between a fixed contact and a movable contact. Figure 4 It is a plan view of an embodiment of the present invention, showing the state before the fixed contact side is bent. Figure 5 It is a plan view of an embodiment of the present invention, showing the state after the fixed contact side is bent. Image 6 It is a plan view of an embodiment of the present invention, showing the relationship between the fixed contact and the part of the frame. 7(a) and 7(b) are a plan view and a front view showing only the movable contact member in one embodiment of the present invention. Figure 8 It is an explanatory drawing which shows the manufacturing ...
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The present invention provides a kind of knob switch device which can keep rotatable at fixed terminal with the movable contact member electrically connected simultaneously. In order to achieve the object, the present invention comprises: a general rectangular frame; the first fixed terminal having the first fixed contact; the second fixed terminal, allocated with a predetermined interval from the first fixed terminal and having the second fixed contact; the movable contact member, made of elastic conductive member and bent as U-shape to form the bending portion and making the bending portion as the movable portion of forcing spot; and, support portion, which is supported rotatably and pressed engaging with the second movable contact at one end while forming movable contact on another end which can slide contact with the first fixed contact and be able to slide along the bottom of frame; and the operating knob 5, used to press the movable portion.
Description
technical field [0001] The invention relates to a push-in switch device which utilizes the elasticity of a movable contact to control the up and down movement of an operating button. Background technique [0002] In the prior art, a push-in switch device is widely used in various electronic devices because of its simple structure, small size, and good operating feeling. The push-in switch device utilizes the movable contact (the movable contact is made of elastic metal and is usually kept in the on or off state by its elasticity) and the elasticity of the movable contact to keep the operation button in a constant state. rising state. [0003] Existing push-in switchgear, for example, has the type disclosed in the Japanese Patent Publication No. 168645 / 1994 communique, the device is as Figure 11 shown. [0004] Figure 11 It is an explanatory diagram showing the first conventional push type switch device. [0005] like Figure 11 As shown, the push-in switch device has a ...
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IPC IPC(8): H01H1/00H01H13/52
CPCH01H1/00H01H13/52
Inventor 安田冬树
Owner ALPS ALPINE CO LTD