CN201355587Y

CN201355587Y - Switch

Info

Publication number: CN201355587Y
Application number: CNU2008202382833U
Authority: CN
Inventors: 孙亮; 吴标
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-12-19
Filing date: 2008-12-19
Publication date: 2009-12-02
Anticipated expiration: 2018-12-19

Abstract

The utility model relates to a two-motion switch, which comprises an insulation main body, a fixed terminator, a first movable contact sheet, a second movable contact sheet, an insulation film and a button, wherein the insulation main body is provided with an accommodating cavity, and the fixed terminator is integrated with the insulation main body into a whole body, and the first and the second movable contact sheets are accommodated inside the accommodating cavity, and the insulation film and the button are arranged on the upper part of the insulation main body. The first and the second movable contact sheets are provided with a dome-shaped top part. The switch also comprises a guiding element which is arranged between the insulation film and the button, and the guiding element stays on the same vertical straight line with the top part of the first and the second movable contact sheets, and the button is provided with an accommodating part which is projected outwards corresponding to the guiding element, thus improving the guiding function of the switch.

Description

Switch

[technical field]

The utility model is about a kind of switch, relates in particular to the switch on a kind of guidance panel that is used for various electronic installations.

[background technology]

Along with the fast development of electronic industry, as the switch of electronic product common part, obtained significant progress, the switch that uses on the existing market in order to adapt to the continuous development of industry, need be made improvement constantly.A kind of button shown in Chinese patent application CN 1787142 A, this switch is a two-motion switch, comprise insulating body, divide two travelling contacts of the dome-shaped that two-stage up and down is provided with the integrated fixed contact of insulating body, the action ground that in above-mentioned accommodation section, can reverse respectively with accommodation section, and the insulation film that is located at the insulating body top.This switch can further improve, as increasing guide function etc.

[utility model content]

Therefore, the technical problems to be solved in the utility model is to increase director element to improve the guide function of switch.

The utility model switch, it is the switch of two level wiper, but but comprise the insulating body that is provided with host cavity, with the integrated fixed terminal of insulating body, be contained in first moving contacting plate and second moving contacting plate in the host cavity and insulation film and the button of being located at insulating body top.But but described first moving contacting plate and second moving contacting plate have the top of dome shape.Described switch also comprises the director element of being located between insulation film and the button, but but the top of this director element and first moving contacting plate, second moving contacting plate be positioned on the same vertical curve, and the corresponding director element of described button place is provided with the holding part of outside protrusion.

Compared with prior art, the utility model switch has increased director element, like this, but but the stress point of external force is concentrated in the top of first moving contacting plate and second moving contacting plate, and more suitable be that button is provided with holding part at corresponding director element place, this holding part outwards protrudes, during the staff contact button, can push by holding part easily, like this, pushing of switch played good guide effect, thereby improved the using character of switch.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model switch.

Fig. 2 is the three-dimensional combination figure of switch shown in Figure 1.

Fig. 3 be Fig. 2 along A-A to cutaway view.

[embodiment]

Please refer to Fig. 1 to shown in Figure 3, the utility model switch 100 is a two-motion switch, but but it comprise insulating body 2, and insulating body 2 integrated fixed terminals 3, be contained in first moving contacting plate 4 and second moving contacting plate 5, the insulation film 6 of being located at insulating body 2 tops and button 7 in the host cavity 20, place the director element 8 between insulation film 6 and the button 7 with host cavity 20, and insulation film 6 and button 7 are fixed on housing 9 on the insulating body 2.

The roughly rectangular shape of insulating body 2, its top is provided with opening, make host cavity 20 of its inner formation, each sidewall all is provided with first boss 21, second boss 22 and the 3rd boss 23 of stepped distribution from top to bottom in these host cavity 20 a pair of opposing sidewalls, and two the 3rd boss 23 interconnect and become integral body; And host cavity 20 another each sidewall in opposing sidewalls is all offered first accepting groove 24 and second accepting groove, 25, two accepting grooves, 24,25 neighbour settings.The bottom of described first accepting groove 24 and first boss 21 are contour, and the bottom of second accepting groove 25 and the 3rd boss 23 are contour.In addition, the 3rd boss 23 is arranged with a central accepting groove 26, and is being provided with peripheral accepting groove 27 on the 3rd boss 23 between first accepting groove 24 and second boss 22.

Fixed terminal 3 is one-body molded with insulating body 2, comprises the first terminal 31, second terminal 32 and the 3rd terminal 33.Wherein, the first terminal 31 comprises first make contact 311 that is located at central accepting groove 26 and first weld part 312 that protrudes out outside the insulating body 2; Second terminal 32 comprises second contact point 321 and second weld part 322 that protrudes out outside the insulating body 2 that is located at peripheral accepting groove 27; The 3rd terminal 33 comprises the 3rd contact point 331 and the 3rd weld part 332 that protrudes out outside the insulating body 2 that is located on one of them first boss 21.

But first movable contact spring 4 places on above-mentioned the 3rd boss 23, comprise with first make contact 311 normalities of the first terminal 31 and separate and be the press section 41 of dome shape, the periphery 42 that contacts with second contact point 321 of second terminal 32, and be contained in banking stop 43 in second accepting groove 25.Wherein, but banking stop 43 can limit first movable contact spring 4 moves up and down.

But second movable contact spring 5 comprises the support portion 51 that is connected on first boss 21, the main part 52 of being located at the center and the wrist 53 that connects support portion 51 and main part 52.But the wrist 53 of described second movable contact spring 5 is the periphery of cross distribution at main part 52, and wrist 53 is sloping shape structure, makes the end of wrist 53 be lower than the outer peripheral edges of main part 52; Described support portion 51 roughly is arcuation, extend respectively and encircling main part 52 in opposite directions by above-mentioned a pair of relative wrist 53, the lengthwise end of this support portion 51 is lower than the end of described wrist 53, be high two ends low form in the middle of support portion 51 is, and comparatively suitable be that the bottom of 51 the lengthwise end in the support portion is provided with salient point (indicating); Another abutting part 54 to the outside horizontal-extending of wrist 53 difference, and this abutting part 54 is lower than the lengthwise end of support portion 51.

Director element 8 is between insulation film 6 and button 7, but this director element 8 position on insulation film 6 is and first moving contacting plate 4, but the top of second moving contacting plate 5 is located on the same vertical curve, like this, but but the stress point of external force is concentrated in the top of first moving contacting plate 4 and second moving contacting plate 5, and more suitable is that button 7 is provided with holding part 71 at corresponding director element 8 places, this holding part 71 is outwards outstanding, during staff contact button 7, can push by holding part 71 easily, like this, pushing of switch 100 played good guide effect, thereby improved the using character of switch 100.

During assembling, at first but but first movable contact spring 4 and second movable contact spring 5 are put into the host cavity 20 of the insulating body 2 that is installed with fixed terminal 3, again insulation film 6 is covered top at insulating body 2, the button that then will be installed with director element 8 places insulation film 6 tops, at last housing 7 is fastened on the insulating body 2.

This type of switch 100 has electrically connected two kinds of different circuit settings by second terminal 32 with the electric connection or first, second,

third terminal

31,32,33 of the 3rd terminal 33 simultaneously in electronic product.Use, but external force is exerted pressure to second movable contact spring 5, it is moved down, but the abutting part 54 of second movable contact spring 5 touches the bottom of second accepting groove 25, this section process of pushing is brought good hand feeling by above-mentioned range difference, continue to push, but but the top of second movable contact spring 5 contact with first movable contact spring 4, thereby realize that first kind electrically conducts; But continue to push second movable contact spring 5, contact with the first terminal 31, electrically conduct to realize second kind but be depressed into first movable contact spring 4.Because but first, second

movable contact spring

4,5 is the elastic conduction thin slice, so, but when the pressure that removes on second movable contact spring 5, but first, second

movable contact spring

4,5 can be got back to initial position successively, electrically connects thereby disconnect.

Claims

1. the switch of a two level wiper, comprise the insulating body that is provided with host cavity, with the integrated fixed terminal of insulating body, but but be contained in host cavity interior first moving contacting plate and second moving contacting plate, and insulation film and the button of being located at insulating body top, but but described first moving contacting plate and second moving contacting plate have the top of dome shape, it is characterized in that: described switch also comprises the director element of being located between insulation film and the button, but this director element and first moving contacting plate, but the top of second moving contacting plate is positioned on the same vertical curve, and the corresponding director element of described button place is provided with the holding part of outside protrusion.

2. switch as claimed in claim 1 is characterized in that: but the outer peripheral edges of described second movable contact spring are extended with the wrist that end is lower than outer peripheral edges, the end of described wrist is connecting the support portion of arcuation, and the lengthwise end of this support portion is lower than the end of described wrist.

3. switch as claimed in claim 2 is characterized in that: but the wrist of described second movable contact spring is cross distribution in its outer peripheral edges, and a pair of relative wrist is connecting described support portion respectively, and another abutting part to the outside horizontal-extending of relative wrist difference.

4. switch as claimed in claim 3 is characterized in that: the bottom of the lengthwise end of described support portion is provided with salient point.

5. switch as claimed in claim 4 is characterized in that: but described first movable contact spring comprise the press section that is the dome shape, be located at around the press section periphery and by the outward extending banking stop of periphery.

6. switch as claimed in claim 5 is characterized in that: but but but described fixed terminal comprises the first terminal, second terminal that contacts with the periphery of first movable contact spring that the press section of corresponding first movable contact spring is provided with and the 3rd terminal that contacts with the support portion of second movable contact spring.

7. switch as claimed in claim 6, it is characterized in that: but but be provided with first boss of accepting the second movable contact spring support portion in the described host cavity from top to bottom successively, place second boss under the second movable contact spring wrist, but and the 3rd boss of accepting the first movable contact spring periphery.

8. switch as claimed in claim 7 is characterized in that: corresponding abutting part place is provided with first accepting groove in the described host cavity, and this first accepting groove and first boss are positioned at same plane.