CN203850158U - Key switch - Google Patents
Key switch Download PDFInfo
- Publication number
- CN203850158U CN203850158U CN201320761267.3U CN201320761267U CN203850158U CN 203850158 U CN203850158 U CN 203850158U CN 201320761267 U CN201320761267 U CN 201320761267U CN 203850158 U CN203850158 U CN 203850158U
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact spring
- spring assembly
- cylinder
- moving contact
- 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 - Lifetime
Links
- 230000003068 static effect Effects 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a key switch, comprising a pedestal with an open-top cavity and a cover body, wherein a circular hole passing through from the top to the bottom is arranged on the cover body. The key switch also comprises a key cylinder in a hollow arrangement. The key switch also comprises a moving contact module in a hollow arrangement, a moving contact, a motion spring, a return spring and a static contact. The return spring is arranged in the key cylinder and the bottom is abutted against the moving contact module. A motion spring locating column and a moving contact module stroke positioning circular ring are arranged at the bottom of an core space of the pedestal. The motion spring locating column is arranged at the center of the moving contact module stroke positioning circular ring. The bottom of the motion spring is arranged on the motion spring locating column, and the top is arranged in the moving contact module and abutted at the lower end of the moving contact module. The key switch provided by the utility model is simple in structure, the moving contact module is in the injection moulding and is integrally arranged with the moving contact. Usage stability and reliability are increased, the return spring is arranged between the button and the moving contact module, the motion spring is arranged between the moving contact module and the pedestal, hence maloperation is effectively prevented.
Description
Technical field
The utility model belongs to switching technique field, is specifically related to a kind of key switch.
Background technology
Push-button switch is because it is simple in structure, the every field that is widely used in easy to use, the push-button switch of prior art is generally by housing, be arranged on the movable contact spring in housing, static contact, back-moving spring and button form, by button, drive movable contact spring and static contact break-make, and button is realized reset under the effect of back-moving spring, and then realize switch motion, it can meet the needs in market to a certain extent, yet the push-button switch wiring less stable of prior art, and be easier to occur misoperation, affect the normal use of push-button switch, applicability is restricted to a certain extent.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, can effectively avoid misoperation, has improved the key switch of stability in use and accuracy.
The technical scheme that realizes the utility model object is a kind of key switch, comprise the base with open top inner chamber, the lid matching with described base, described lid is provided with upper and lower penetrating circular hole, also comprise the button cylinder that hollow arranges, the top of described button cylinder is arc setting, middle part is cylinder setting, bottom is that the ring platform of outer lug arranges, described button cylinder penetrates in circular hole from the bottom of lid and lid is stretched out at the top of button cylinder, and be positioned in lid by the ring platform of bottom, also comprise the movable contact spring assembly that hollow arranges, movable contact spring, operating spring, back-moving spring and static contact, the top of described movable contact spring assembly is arc setting, middle part is cylinder setting, bottom is the round platform setting of outer lug, the cylinder overall diameter of movable contact spring assembly is identical with the cylindrical hollow interior diameter of button cylinder, the round platform overall diameter of movable contact spring assembly is identical with the ring platform overall diameter of button cylinder, described movable contact spring integrated injection molding is on the round platform of described movable contact spring assembly and stretch out the setting of round platform periphery, described movable contact spring assembly is arranged in the hollow of described button cylinder, described back-moving spring arranges on the arc top of movable contact spring assembly in the hollow of button cylinder and described in the bottom butt of back-moving spring, intracavity bottom at described base is provided with operating spring reference column and movable contact spring assembly stroke setting circle ring, described movable contact spring reference column is arranged on described movable contact spring assembly stroke setting circle Huan center, the bottom of described operating spring is arranged on described operating spring reference column, top is arranged in the hollow of movable contact spring assembly and is connected to arched top subordinate's end of movable contact spring assembly, described static contact is arranged on described base and is flexibly connected with described movable contact spring.
Described static contact comprises screens portion and riveting line portion, the vertical setting that meets at right angles of described screens portion and described riveting line portion, and the screens of described screens portion is fixed on described base, and described riveting line portion is provided with riveting line sheet.
Described riveting line sheet is two groups, and two groups of riveting line sheet vertical directions arrange.
The switch pretravel that the arc top of described button cylinder forms is 1.2mm, and the switch total travel that the arc top of described button cylinder and cylinder middle part form is 4.5mm to 5.5mm.
On described lid, be provided with draw-in groove, be provided with the fixture block matching with described draw-in groove on described base, by draw-in groove, screens is connected described lid with fixture block with described base.
The utlity model has positive effect: of the present utility model simple in structure, movable contact spring assembly adopts injection moulding and movable contact spring to be wholely set, stability in use and reliability have been improved, and be provided with back-moving spring and operating spring, back-moving spring is arranged between button and movable contact spring assembly, operating spring is arranged between movable contact spring assembly and base, switch is initially closure state, button under the effect of back-moving spring with movable contact spring components apart, can effectively avoid misoperation, during work, button cylinder is pressed, compression reseting spring, make the bottom of button cylinder push up on movable contact spring assembly and drive movable contact spring assembly to move, upper movable contact spring and the static contact of movable contact spring assembly are disconnected, realizing break-make controls, can effectively avoid misoperation, stability in use and accuracy have been improved, adaptability is good, practical, further, static contact is provided with the riveting line portion with riveting line sheet, and static contact, by riveting line sheet and outside terminal line riveted, has improved the stability and the reliability that connect to a certain extent, and practicality is good.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is fractionation structural representation of the present utility model;
Fig. 2 is combination dissected figure of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 have shown a kind of embodiment of the present utility model, and wherein Fig. 1 is fractionation structural representation of the present utility model; Fig. 2 is combination dissected figure of the present utility model.
See Fig. 1 and Fig. 2, a kind of key switch, comprise the base 2 with open top inner chamber 1, the lid 3 matching with described base 2, described lid 3 is provided with upper and lower penetrating circular hole 4, also comprise the button cylinder 5 that hollow 51 arranges, the top of described button cylinder 5 is that arc 52 arranges, middle part is that cylinder 53 arranges, bottom is that the ring platform 54 of outer lug arranges, described button cylinder 5 penetrates in circular hole 4 from the bottom of lid 3 and lid 3 is stretched out at the top of button cylinder 5, and be positioned in lid 3 by the ring platform 54 of bottom, also comprise the movable contact spring assembly 6 that hollow 61 arranges, movable contact spring 7, operating spring 8, back-moving spring 9 and static contact 10, the top of described movable contact spring assembly 6 is that arc 62 arranges, middle part is that cylinder 63 arranges, bottom is that the round platform 64 of outer lug arranges, cylinder 63 overall diameters of movable contact spring assembly 6 are identical with the cylinder 53 hollow interior diameters of button cylinder 5, round platform 64 overall diameters of movable contact spring assembly 6 are identical with ring platform 54 overall diameters of button cylinder 5, described movable contact spring 7 integrated injection moldings are on the round platform 64 of described movable contact spring assembly 6 and stretch out round platform 64 periphery settings, described movable contact spring assembly 6 is arranged in the hollow 51 of described button cylinder 5, described back-moving spring 9 arranges on the arc top of movable contact spring assembly 6 in the hollow 51 of button cylinder 5 and described in the bottom butt of back-moving spring 9, in inner chamber 1 bottom of described base 2, be provided with operating spring reference column 21 and movable contact spring assembly stroke setting circle ring 22, described movable contact spring reference column 21 is arranged on described movable contact spring assembly stroke setting circle Huan22 center, the bottom of described operating spring 8 is arranged on described operating spring reference column 21, top is arranged in the hollow 61 of movable contact spring assembly 6 and is connected to arched top subordinate's end of movable contact spring assembly 6, described static contact 10 is arranged on described base 2 and is flexibly connected with described movable contact spring 7.Movable contact spring assembly adopts injection moulding and movable contact spring to be wholely set, stability in use and reliability have been improved, and be provided with back-moving spring and operating spring, back-moving spring is arranged between button and movable contact spring assembly, operating spring is arranged between movable contact spring assembly and base, switch is initially closure state, button under the effect of back-moving spring with movable contact spring components apart, can effectively avoid misoperation, during work, button cylinder is pressed, compression reseting spring, make the bottom of button cylinder push up on movable contact spring assembly and drive movable contact spring assembly to move, upper movable contact spring and the static contact of movable contact spring assembly are disconnected, realizing break-make controls, can effectively avoid misoperation, stability in use and accuracy have been improved, adaptability is good, practical.
Described static contact 10 comprises screens portion 101 and riveting line portion 102, the vertical setting that meets at right angles of described screens portion 101 and described riveting line portion 102, and 101 screens of described screens portion are fixed on described base 2, and described riveting line portion 102 is provided with riveting line sheet 103.Static contact is provided with the riveting line portion with riveting line sheet, and static contact, by riveting line sheet and outside terminal line riveted, has improved the stability and the reliability that connect to a certain extent, and practicality is good.
Described riveting line sheet 103 is two groups, and two groups of riveting line sheet vertical directions arrange.
The switch pretravel that the arc top of described button cylinder 5 forms is 1.2mm, and the switch total travel that the arc top of described button cylinder 5 and cylinder middle part form is 4.5mm to 5.5mm.
On described lid 3, be provided with draw-in groove 31, be provided with the fixture block 23 matching with described draw-in groove 31 on described base 2, by draw-in groove 31,23 screens are connected described lid 3 with fixture block with described base 2.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (5)
1. a key switch, comprise the base with open top inner chamber, the lid matching with described base, described lid is provided with upper and lower penetrating circular hole, also comprise the button cylinder that hollow arranges, the top of described button cylinder is arc setting, middle part is cylinder setting, bottom is that the ring platform of outer lug arranges, described button cylinder penetrates in circular hole from the bottom of lid and lid is stretched out at the top of button cylinder, and be positioned in lid by the ring platform of bottom, also comprise the movable contact spring assembly that hollow arranges, movable contact spring, operating spring, back-moving spring and static contact, it is characterized in that: the top of described movable contact spring assembly is arc setting, middle part is cylinder setting, bottom is the round platform setting of outer lug, the cylinder overall diameter of movable contact spring assembly is identical with the cylindrical hollow interior diameter of button cylinder, the round platform overall diameter of movable contact spring assembly is identical with the ring platform overall diameter of button cylinder, described movable contact spring integrated injection molding is on the round platform of described movable contact spring assembly and stretch out the setting of round platform periphery, described movable contact spring assembly is arranged in the hollow of described button cylinder, described back-moving spring arranges on the arc top of movable contact spring assembly in the hollow of button cylinder and described in the bottom butt of back-moving spring, intracavity bottom at described base is provided with operating spring reference column and movable contact spring assembly stroke setting circle ring, described movable contact spring reference column is arranged on described movable contact spring assembly stroke setting circle Huan center, the bottom of described operating spring is arranged on described operating spring reference column, top is arranged in the hollow of movable contact spring assembly and is connected to arched top subordinate's end of movable contact spring assembly, described static contact is arranged on described base and is flexibly connected with described movable contact spring.
2. key switch according to claim 1, it is characterized in that: described static contact comprises screens portion and riveting line portion, the vertical setting that meets at right angles of described screens portion and described riveting line portion, the screens of described screens portion is fixed on described base, and described riveting line portion is provided with riveting line sheet.
3. key switch according to claim 2, is characterized in that: described riveting line sheet is two groups, and two groups of riveting line sheet vertical directions arrange.
4. key switch according to claim 3, is characterized in that: the switch pretravel that the arc top of described button cylinder forms is 1.2mm, and the switch total travel that the arc top of described button cylinder and cylinder middle part form is 4.5mm to 5.5mm.
5. key switch according to claim 4, is characterized in that: on described lid, be provided with draw-in groove, be provided with the fixture block matching with described draw-in groove on described base, by draw-in groove, screens is connected described lid with fixture block with described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761267.3U CN203850158U (en) | 2013-11-20 | 2013-11-20 | Key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761267.3U CN203850158U (en) | 2013-11-20 | 2013-11-20 | Key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850158U true CN203850158U (en) | 2014-09-24 |
Family
ID=51563143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320761267.3U Expired - Lifetime CN203850158U (en) | 2013-11-20 | 2013-11-20 | Key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203850158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594257A (en) * | 2013-11-20 | 2014-02-19 | 温州市黎洋电子有限公司 | Key switch |
-
2013
- 2013-11-20 CN CN201320761267.3U patent/CN203850158U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594257A (en) * | 2013-11-20 | 2014-02-19 | 温州市黎洋电子有限公司 | Key switch |
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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: 20140924 |