CN204045416U - A kind of spring plate microswitch - Google Patents
A kind of spring plate microswitch Download PDFInfo
- Publication number
- CN204045416U CN204045416U CN201420377504.0U CN201420377504U CN204045416U CN 204045416 U CN204045416 U CN 204045416U CN 201420377504 U CN201420377504 U CN 201420377504U CN 204045416 U CN204045416 U CN 204045416U
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- contact
- moving contact
- clamping
- fixed contact
- terminal
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Abstract
The utility model relates to switching technique field, particularly relate to a kind of spring plate microswitch, comprise lower cover and upper cover, lower cover is provided with cavity volume, actuating mechanism and button is provided with in cavity volume, actuating mechanism comprises elastic plate mechanism, normally opened contact terminal and normally-closed contact terminal, normally opened contact terminal arranges the first fixed contact, normally-closed contact terminal arranges the second fixed contact, one end of transfer strip is provided with moving contact, moving contact is between the first fixed contact and the second fixed contact, and moving contact comprises the first moving contact and the second moving contact; The spacing of the first moving contact and the first fixed contact is at least 3mm; The spacing of the second moving contact and the second fixed contact is at least 3mm; Distance between public terminal and normally opened contact terminal is at least 3mm, under the prerequisite that the utility model is not changed at shell dimension, improve actuating mechanism, interval between moving contact and fixed contact is increased, larger magnitude of voltage and loop current value can be born, normally can work when load.
Description
Technical field
The utility model relates to switching technique field, particularly relates to a kind of spring plate microswitch.
Background technology
Sensitive switch has small contact separation and snap-action mechanism, carries out the contact mechanism of switch action, cover with shell by the stroke of regulation and the power of regulation, there is a kind of switch of drive rod its outside, because the contact spacing of its switch is smaller, therefore named sensitive switch, is sensitive switch again.
Its housing of sensitive switch is of a size of standard size, traditional sensitive switch is because of the restriction of the size of housing, between its moving contact and fixed contact, interval is less, can bear magnitude of voltage and loop current value is less, when loop current value and magnitude of voltage larger time, switching effect can not be triggered, switch arcing conducting voluntarily, comparatively large to components and parts infringement, and switch works in load conditions and can reduce useful life.
Traditional sensitive switch only has spring sensitive switch to avoid the problems referred to above, but the rated current of spring sensitive switch only has 3 ~ 5A, can not meet the components and parts that some power are larger.
Summary of the invention
The purpose of this utility model is to provide a kind of spring plate microswitch for the deficiencies in the prior art, under the prerequisite that the utility model is not changed at shell dimension, by improving actuating mechanism, interval between moving contact and fixed contact is increased, larger magnitude of voltage and loop current value can be born, normally can work when load, useful life increases relatively.
For achieving the above object, a kind of spring plate microswitch of the present utility model, comprise lower cover and the upper cover for closed lower cover, described lower cover is provided with cavity volume, actuating mechanism and button is provided with in described cavity volume, described actuating mechanism comprises elastic plate mechanism, normally opened contact terminal and normally-closed contact terminal, described normally opened contact terminal arranges the first fixed contact, described normally-closed contact terminal arranges the second fixed contact, described elastic plate mechanism comprises transfer strip, driving chip, public terminal and shell fragment, the middle part of described transfer strip is provided with a fluting, described public terminal one end be arranged in described fluting and with lower cover clamping, the other end of described public terminal and lower cover clamping, one end of described driving chip is arranged in described fluting and abuts with described button, the other end of described driving chip and public terminal clamping, described shell fragment is arranged in fluting, one end of described shell fragment and public terminal clamping, one end of described shell fragment abuts with transfer strip, one end of described transfer strip is provided with moving contact, described moving contact is between the first fixed contact and the second fixed contact, described moving contact comprises the first moving contact and the second moving contact, when first moving contact and the first fixed contact disconnect, the spacing of described first moving contact and the first fixed contact is at least 3mm, when second moving contact and the second fixed contact disconnect, the spacing of described second moving contact and the second fixed contact is at least 3mm, distance between described public terminal and normally opened contact terminal is at least 3mm.
As preferably, described public terminal comprise all with the first location division of lower cover clamping and the second location division, for being connected the contiguous block of the first location division and the second location division, the junction of described contiguous block and the first location division is provided with the first draw-in groove, and described second location division is provided with through hole.
As preferably, one end of described fluting is provided with for the first fixture block with driving chip clamping, and the other end of described fluting is provided with and first abuts block for what abut with shell fragment, and the described first both sides abutting block are provided with slide rail.
As preferably, described driving chip comprises and is arranged in described fluting and the drive division abutted with button and the fixed part with public terminal clamping, the drive division of described driving chip is provided with the second draw-in groove with the first fixture block clamping, and the fixed part of described driving chip is provided with the second fixture block with through hole clamping.
As preferably, one end of described shell fragment is provided with the 3rd fixture block with the first draw-in groove clamping, the other end of described shell fragment be provided with to abut with first that block abuts second abut block, the described second both sides abutting block are provided with the chute that slide rail is slidably matched.
As preferably, described first location division, the second location division and the one-body molded setting of contiguous block.
As preferably, the drive division bending of described driving chip is arranged, and its bending angle is 120 degree to 150 degree.
The beneficial effects of the utility model: a kind of spring plate microswitch, comprise lower cover and the upper cover for closed lower cover, described lower cover is provided with cavity volume, actuating mechanism and button is provided with in described cavity volume, described actuating mechanism comprises elastic plate mechanism, normally opened contact terminal and normally-closed contact terminal, described normally opened contact terminal arranges the first fixed contact, described normally-closed contact terminal arranges the second fixed contact, described elastic plate mechanism comprises transfer strip, driving chip, public terminal and shell fragment, the middle part of described transfer strip is provided with a fluting, described public terminal one end be arranged in described fluting and with lower cover clamping, the other end of described public terminal and lower cover clamping, one end of described driving chip is arranged in described fluting and abuts with described button, the other end of described driving chip and public terminal clamping, described shell fragment is arranged in fluting, one end of described shell fragment and public terminal clamping, one end of described shell fragment abuts with transfer strip, one end of described transfer strip is provided with moving contact, described moving contact is between the first fixed contact and the second fixed contact, described moving contact comprises the first moving contact and the second moving contact, when first moving contact and the first fixed contact disconnect, the spacing of described first moving contact and the first fixed contact is at least 3mm, when second moving contact and the second fixed contact disconnect, the spacing of described second moving contact and the second fixed contact is at least 3mm, distance between described public terminal and normally opened contact terminal is at least 3mm, and interval between moving contact and fixed contact is increased, and can bear larger magnitude of voltage and loop current value, normally can work when load, useful life increases relatively.
Accompanying drawing explanation
Fig. 1 is the perspective view after the utility model hides upper cover.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is the cross-sectional view of the utility model when not pressing the button.
Fig. 4 is the cross-sectional view of the utility model when pressing the button.
Fig. 5 is the perspective view of the utility model public terminal.
Fig. 6 is the perspective view of the utility model transfer strip.
Fig. 7 is the perspective view of the utility model driving chip.
Fig. 8 is the perspective view of the utility model shell fragment.
Reference numeral is:
1-lower cover, 2-upper cover, 3-button, 41-normally opened contact terminal
411-the first fixed contact 42-normally-closed contact terminal 421-the second fixed contact
51-transfer strip, 511-fluting the 5111-the first fixture block
5112-the first abuts block 5113-slide rail 512-the first moving contact
513-the second moving contact 52-driving chip 521-drive division
5211-the second draw-in groove 522-fixed part 5221-the second fixture block
Location division, 53-public terminal 531-the first location division 532-the second
533-contiguous block 534-the first draw-in groove, 535-through hole
54-shell fragment 541-the three fixture block 542-the second abuts block
543-chute.
Embodiment
Below in conjunction with accompanying drawing 1 to Fig. 8, and embodiment is described further the utility model.
As shown in Figures 1 to 8, a kind of spring plate microswitch, comprise lower cover 1 and the upper cover 2 for closed lower cover 1, described lower cover 1 is provided with cavity volume, actuating mechanism and button 3 is provided with in described cavity volume, described actuating mechanism comprises elastic plate mechanism, normally opened contact terminal 41 and normally-closed contact terminal 42, described normally opened contact terminal 41 arranges the first fixed contact 411, described normally-closed contact terminal 42 arranges the second fixed contact 421, described elastic plate mechanism comprises transfer strip 51, driving chip 52, public terminal 53 and shell fragment 54, described first location division 531, second location division 532 and the one-body molded setting of contiguous block 533, the middle part of described transfer strip 51 is provided with a fluting 511, described public terminal 53 one end be arranged in described fluting 511 and with lower cover 1 clamping, the other end of described public terminal 53 and lower cover 1 clamping, one end of described driving chip 52 is arranged in described fluting 511 and abuts with described button 3, the other end of described driving chip 52 and public terminal 53 clamping, described shell fragment 54 is arranged in fluting 511, one end of described shell fragment 54 and public terminal 53 clamping, one end of described shell fragment 54 abuts with transfer strip 51, one end of described transfer strip 51 is provided with moving contact, described moving contact is between the first fixed contact 411 and the second fixed contact 421, described moving contact comprises the first moving contact 512 and the second moving contact 513, when first moving contact 512 and the first fixed contact 411 disconnect, the spacing of described first moving contact 512 and the first fixed contact 411 is at least 3mm, when second moving contact 513 and the second fixed contact 421 disconnect, the spacing of described second moving contact 513 and the second fixed contact 421 is at least 3mm, distance between described public terminal 53 and normally opened contact terminal 41 is at least 3mm.
The present embodiment is by improving the syndeton of transfer strip 51, driving chip 52 public terminal 53 and shell fragment 54, and when the first moving contact 512 and the first fixed contact 411 are disconnected, the spacing of the first moving contact 512 and the first fixed contact 411 is at least 3mm, when second moving contact 513 and the second fixed contact 421 disconnect, the spacing of the second moving contact 513 and the second fixed contact 421 is at least 3mm, distance between public terminal 53 and normally opened contact terminal 41 is at least 3mm, moving contact and the first fixed contact 411, interval between second fixed contact 421 is equivalent to conventional elastic piece formula sensitive switch and increases to some extent, make the utility model can bear larger magnitude of voltage and loop current value, normally can work when load, rated current of the present utility model is 12A, relative to higher than spring sensitive switch, the components and parts that some power are larger can be met, under the prerequisite that the utility model is not changed at shell dimension, by improving actuating mechanism, interval between moving contact and fixed contact is increased, larger magnitude of voltage and loop current value can be born, normally can work when load, useful life increases relatively.
As shown in Figures 3 to 8, in the present embodiment, described public terminal 53 comprise all with the first location division 531 and the second location division 532 of lower cover 1 clamping, for connecting the contiguous block 533 of the first location division 531 and the second location division 532, the junction of described contiguous block 533 and the first location division 531 is provided with the first draw-in groove 534, described second location division 532 is provided with through hole 535, one end of described fluting 511 is provided with for the first fixture block 5111 with driving chip 52 clamping, the other end of described fluting 511 is provided with and first abuts block 5112 for what abut with shell fragment 54, described first both sides abutting block 5112 are provided with slide rail 5113, described driving chip 52 comprises and is arranged in described fluting 511 and the drive division 521 abutted with button 3 and the fixed part 522 with public terminal 53 clamping, the drive division 521 of described driving chip 52 is provided with the second draw-in groove 5211 with the first fixture block 5111 clamping, the fixed part 522 of described driving chip 52 is provided with the second fixture block 5221 with through hole 535 clamping, one end of described shell fragment 54 is provided with the 3rd fixture block 541 with the first draw-in groove 534 clamping, the other end of described shell fragment 54 be provided with to abut with first that block 5112 abuts second abut block 542, described second both sides abutting block 542 are provided with the chute 543 that slide rail 5113 is slidably matched, the utility model operating procedure: press the button 3, button 3 can push driving chip 52 and move downward, driving chip 52 drives transfer strip 51 to move downward together, now the first moving contact 512 is communicated with the first fixed contact 411, second moving contact 513 and the second fixed contact 421 disconnect, release button 3, resetted by the elasticity of shell fragment 54 and driving chip 52, now the second moving contact 513 and the second fixed contact 421 close, first moving contact 512 and the first fixed contact 411 disconnect, this vibrational power flow is conducive to increasing the fastness connected between each parts, improve push button longevity, add the access times of this switch.
In the present embodiment, drive division 521 bending of described driving chip 52 is arranged, as the execution mode of the best, its bending angle is 135 degree, the words that the bending angle of driving chip 52 is too small, press the button 3, button 3 can push driving chip 52 and move downward, and can stop displacement, because between moving contact and fixed contact, spacing distance is larger after driving chip 52 knocks the inner casing of lower cover 1, after driving chip 52 knocks the inner casing of lower cover 1, moving contact and fixed contact likely there will be not closed phenomenon; The bending angle of driving chip 52 is excessive, and its driving chip 52 elastic reset effect is strong, causes transfer strip 51 to reset in time, and moving contact is also in conducting state with the first fixed contact 411 or the second fixed contact 421, damages larger to components and parts.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a spring plate microswitch, comprise lower cover (1) and the upper cover (2) for closed lower cover (1), described lower cover (1) is provided with cavity volume, actuating mechanism and button (3) is provided with in described cavity volume, it is characterized in that: described actuating mechanism comprises elastic plate mechanism, normally opened contact terminal (41) and normally-closed contact terminal (42), described normally opened contact terminal (41) arranges the first fixed contact (411), described normally-closed contact terminal (42) arranges the second fixed contact (421), described elastic plate mechanism comprises transfer strip (51), driving chip (52), public terminal (53) and shell fragment (54), the middle part of described transfer strip (51) is provided with a fluting (511), described public terminal (53) one end be arranged in described fluting (511) and with lower cover (1) clamping, the other end of described public terminal (53) and lower cover (1) clamping, one end of described driving chip (52) is arranged in described fluting (511) and abuts with described button (3), the other end of described driving chip (52) and public terminal (53) clamping, described shell fragment (54) is arranged in fluting (511), one end of described shell fragment (54) and public terminal (53) clamping, one end of described shell fragment (54) abuts with transfer strip (51), one end of described transfer strip (51) is provided with moving contact, described moving contact is positioned between the first fixed contact (411) and the second fixed contact (421), described moving contact comprises the first moving contact (512) and the second moving contact (513),
When first moving contact (512) and the first fixed contact (411) disconnect, described first moving contact (512) is at least 3mm with the spacing of the first fixed contact (411);
When second moving contact (513) and the second fixed contact (421) disconnect, described second moving contact (513) is at least 3mm with the spacing of the second fixed contact (421);
Distance between described public terminal (53) and normally opened contact terminal (41) is at least 3mm.
2. a kind of spring plate microswitch according to claim 1, it is characterized in that: described public terminal (53) comprise all with first location division (531) of lower cover (1) clamping and the second location division (532), for being connected the contiguous block (533) of the first location division (531) and the second location division (532), described contiguous block (533) is provided with the first draw-in groove (534) with the junction of the first location division (531), and described second location division (532) is provided with through hole (535).
3. a kind of spring plate microswitch according to claim 1, it is characterized in that: one end of described fluting (511) is provided with for the first fixture block (5111) with driving chip (52) clamping, the other end of described fluting (511) is provided with and first abuts block (5112) for what abut with shell fragment (54), and the described first both sides abutting block (5112) are provided with slide rail (5113).
4. a kind of spring plate microswitch according to Claims 2 or 3, it is characterized in that: described driving chip (52) comprises and is arranged in described fluting (511) and the drive division (521) abutted with button (3) and the fixed part (522) with public terminal (53) clamping, the drive division (521) of described driving chip (52) is provided with the second draw-in groove (5211) with the first fixture block (5111) clamping, and the fixed part (522) of described driving chip (52) is provided with the second fixture block (5221) with through hole (535) clamping.
5. a kind of spring plate microswitch according to Claims 2 or 3, it is characterized in that: one end of described shell fragment (54) is provided with the 3rd fixture block (541) with the first draw-in groove (534) clamping, the other end of described shell fragment (54) be provided with to abut with first that block (5112) abuts second abut block (542), the described second both sides abutting block (542) are provided with the chute (543) that slide rail (5113) is slidably matched.
6. a kind of spring plate microswitch according to claim 2, is characterized in that: described first location division (531), the second location division (532) and contiguous block (533) one-body molded setting.
7. a kind of spring plate microswitch according to claim 4, is characterized in that: drive division (521) bending of described driving chip (52) is arranged, and its bending angle is 120 degree to 150 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377504.0U CN204045416U (en) | 2014-07-09 | 2014-07-09 | A kind of spring plate microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420377504.0U CN204045416U (en) | 2014-07-09 | 2014-07-09 | A kind of spring plate microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045416U true CN204045416U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420377504.0U Expired - Fee Related CN204045416U (en) | 2014-07-09 | 2014-07-09 | A kind of spring plate microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045416U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337600A (en) * | 2015-11-17 | 2016-02-17 | 东莞市名键电子科技有限公司 | Inching 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 |
| CN107484288A (en) * | 2017-09-13 | 2017-12-15 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107633968A (en) * | 2017-10-16 | 2018-01-26 | 苏州华之杰电讯股份有限公司 | A kind of microswitch suitable for single channel and two-channel structure |
| CN107749357A (en) * | 2017-12-04 | 2018-03-02 | 漳州聚安美电气科技有限公司 | A kind of microswitch of preventing poor contact |
| CN108987160A (en) * | 2018-08-10 | 2018-12-11 | 李东轩 | Spring plate microswitch |
-
2014
- 2014-07-09 CN CN201420377504.0U patent/CN204045416U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337600A (en) * | 2015-11-17 | 2016-02-17 | 东莞市名键电子科技有限公司 | Inching switch |
| CN105337600B (en) * | 2015-11-17 | 2018-12-07 | 东莞市名键电子科技有限公司 | Microswitch |
| 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 |
| CN107484288A (en) * | 2017-09-13 | 2017-12-15 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107484288B (en) * | 2017-09-13 | 2024-03-26 | 浙江宇洋科技有限公司 | Interlocking switch |
| CN107633968A (en) * | 2017-10-16 | 2018-01-26 | 苏州华之杰电讯股份有限公司 | A kind of microswitch suitable for single channel and two-channel structure |
| CN107749357A (en) * | 2017-12-04 | 2018-03-02 | 漳州聚安美电气科技有限公司 | A kind of microswitch of preventing poor contact |
| CN108987160A (en) * | 2018-08-10 | 2018-12-11 | 李东轩 | Spring plate microswitch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170709 |