CN203218150U - Microswitch - Google Patents
Microswitch Download PDFInfo
- Publication number
- CN203218150U CN203218150U CN 201320172200 CN201320172200U CN203218150U CN 203218150 U CN203218150 U CN 203218150U CN 201320172200 CN201320172200 CN 201320172200 CN 201320172200 U CN201320172200 U CN 201320172200U CN 203218150 U CN203218150 U CN 203218150U
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- Prior art keywords
- terminal
- fixed contact
- contact
- static contact
- utility
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Abstract
The utility model relates to the switch field, particularly to a microswitch. The microswitch comprises a shell, a touch mechanism, and a button partially arranged inside the shell, wherein the touch mechanism comprises a first terminal, a second terminal, a third terminal, and a spring piece mechanism; a first static contact is arranged at one side of the first terminal; a second static contact is arranged at one side of the second terminal at a position opposite to the position of the first static contact; the spring piece mechanism is provided with moving contacts between the first static contact and the second static contact; the shell comprises an upper shell body and a lower shell body; and a silver layer of 0.2 mm is arranged on the first static contact, the second static contact, and the moving contacts. The microswitch of the utility model is advantaged by low cost, long life, and easy identification.
Description
Technical field
The utility model relates to field of switches, relates in particular to a kind of sensitive switch.
Background technology
Sensitive switch is the very little sensitive electronic component of a kind of volume, and it is of many uses, and model is various, the sensitive switch of every kind of model can by or the electric current difference of bearing, it uses frequent, when electric current is big silver layer on the five metals parts is caused fusion, and its reliability life-span is lower; Various being difficult to of model recognized; Its housing is injection molded, and technology is complicated, and material cost is also high.
The utility model content
The problem that the utility model solves is the defective that existing sensitive switch cost height, model are difficult to recognize, the reliability life-span is lower, and a kind of sensitive switch is provided, and the cost of material is low for it, the life-span long, easily identification.
The utility model embodiment provides a kind of sensitive switch, comprise housing, actuating mechanism, and part places the button in the described housing, described actuating mechanism comprises the first terminal, second terminal, the 3rd terminal and shell fragment mechanism, described the first terminal one side is provided with first fixed contact, described second terminal, one side is provided with second fixed contact relative with the described first fixed contact position, described shell fragment mechanism is provided with the moving contact between described first fixed contact and second fixed contact, described housing comprises upper cover body and lower cover, in described upper cover body one side terminal groove is set, a side relative with described terminal groove place side is provided with two grooves spaced apart from each other, and described lower cover covers with described upper cover body and is connected; Described the first terminal, second terminal and the 3rd terminal are provided with terminal hole; Described first fixed contact and the second fixed contact contact-making surface are taper; Has the thick silver layer of 0.2mm on described first fixed contact, second fixed contact and the moving contact.
Preferably, described the first terminal and second terminal middle part bending.
Sensitive switch described in the utility model, beneficial effect is:
Upper cover body and the lower cover internal structure of housing are simplified, reduced moulding process, and then reduced material cost, the shell structure of producing is simple, easy-to-use; The silver layer of each contact is selected suitable thickness, in use can increase the reliability life-span of switch integral body.
Description of drawings
Accompanying drawing 3 is the external structure schematic diagram of the utility model embodiment 1 or 2 sensitive switches;
Accompanying drawing 4 is the external structure schematic diagram of the utility model embodiment 1 or 2 sensitive switches;
Accompanying drawing 6 is the external structure schematic diagram of the utility model embodiment 3 sensitive switches;
Accompanying drawing 7 is the upper cover body structural representation of the utility model embodiment sensitive switch;
Accompanying drawing 8 is the lower cover structural representation of the utility model embodiment sensitive switch;
Wherein:
1, housing 2, actuating mechanism 3, button
4, the first terminal 5, second terminal 6, the 3rd terminal
7, shell fragment mechanism 8, first fixed contact 9, second fixed contact
10, moving contact 11, upper cover body 12, lower cover
13, silver layer 14, rocking bar 15, terminal groove
16, rocking bar groove 17, groove 18, terminal hole.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment 1:
Sensitive switch described in the utility model, shown in accompanying drawing 3,4, it comprises that housing 1, housing 1 comprise upper cover body 11 and lower cover 12.
Shown in accompanying drawing 7,8, in described upper cover body 11 1 sides terminal groove 15 and rocking bar groove 16 are set, a side relative with described rocking bar groove 16 place sides is provided with two grooves 17 spaced apart from each other, and described lower cover 12 covers with described upper cover body 11 and is connected.
As shown in Figure 1, it also comprises actuating mechanism 2, touch structure 2 comprises the first terminal 4, second terminal 5, the 3rd terminal 6 and shell fragment mechanism 7, the first terminal 4, second terminal 5, the 3rd terminal 6 all part is arranged in the housing 1, the first terminal 4 one sides are provided with first fixed contact 8, second terminal, 5 one sides are provided with second fixed contact 9, first fixed contact 8 is relative with second fixed contact, 9 positions, shell fragment mechanism 7 is provided with moving contact 10, moving contact 10 is arranged between first fixed contact 8 and second fixed contact 9, its can with first fixed contact 8, second fixed contact 9 contacts respectively.Be provided with circular or oval-shaped terminal hole 18 on the first terminal 4, second terminal 5 and the 3rd terminal 6.The contact-making surface of first fixed contact 8, second fixed contact 9 is taper surface.
On first fixed contact 8, second fixed contact 9 and the moving contact 10 silver layer 13 is arranged, its thickness is 0.2mm, has the thick silver layer of 0.2mm on the first terminal 4, second terminal 5 and the 3rd terminal 6.
Also comprise a button 3, button 3 parts place in the housing 1, and can the push shrapnel end of mechanism 7, its end makes that the moving contact 10 in the shell fragment mechanism 7 can contact with first fixed contact 8 and second fixed contact 9 respectively.Button 3 tops arrange a rocking bar 14 movable up and down, and rocking bar 14 1 ends are arranged in the housing 1, press rocking bar 14, can press push button 3.
Embodiment 2:
As different from Example 1, as shown in Figure 2, button 3 tops do not have rocking bar 14, include only the first terminal 4, and the one side is provided with first fixed contact 8, and moving contact 10 cooperates with first fixed contact 8.
Embodiment 3:
As different from Example 1, shown in accompanying drawing 5,6, button 3 tops do not have rocking bar 14, include only second terminal 5, and the one side is provided with second fixed contact 9, and moving contact 10 cooperates with second fixed contact 9.The bending of second terminal, 5 middle parts.
The above is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (3)
1. sensitive switch, comprise housing (1), actuating mechanism (2), and part places the button (3) in the described housing (1), described actuating mechanism (2) comprises the first terminal (4), second terminal (5), the 3rd terminal (6) and shell fragment mechanism (7), described the first terminal (4) one sides are provided with first fixed contact (8), described second terminal (5) one sides are provided with second fixed contact (9) relative with described first fixed contact (8) position
Described shell fragment mechanism (7) is provided with the moving contact (10) between described first fixed contact (8) and second fixed contact (9), described housing (1) comprises upper cover body (11) and lower cover (12), it is characterized in that: in described upper cover body (11) one sides terminal groove (15) is set, a side relative with described terminal groove (15) place side is provided with two grooves spaced apart from each other (16), and described lower cover (12) covers with described upper cover body (11) and is connected; Described the first terminal (4), second terminal (5) and the 3rd terminal (6) are provided with terminal hole (17), and described first fixed contact (8) and second fixed contact (9) contact-making surface are taper.
2. sensitive switch according to claim 1 is characterized in that:
Has the thick silver layer of 0.2mm (13) on described first fixed contact (8), second fixed contact (9) and the moving contact (10).
3. according to the described sensitive switch of claim 1, it is characterized in that:
Described the first terminal (4) and the bending of second terminal (5) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172200 CN203218150U (en) | 2013-04-08 | 2013-04-08 | Microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172200 CN203218150U (en) | 2013-04-08 | 2013-04-08 | Microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218150U true CN203218150U (en) | 2013-09-25 |
Family
ID=49207663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320172200 Expired - Lifetime CN203218150U (en) | 2013-04-08 | 2013-04-08 | Microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016112842A1 (en) * | 2015-01-15 | 2016-07-21 | 东莞市凯华电子有限公司 | Mute switch |
| CN106531519A (en) * | 2016-12-08 | 2017-03-22 | 苏州长风航空电子有限公司 | Dual-redundancy high-temperature resisting microswitch |
-
2013
- 2013-04-08 CN CN 201320172200 patent/CN203218150U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016112842A1 (en) * | 2015-01-15 | 2016-07-21 | 东莞市凯华电子有限公司 | Mute switch |
| CN106531519A (en) * | 2016-12-08 | 2017-03-22 | 苏州长风航空电子有限公司 | Dual-redundancy high-temperature resisting microswitch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |