CN104658788B - A kind of microswitch - Google Patents
A kind of microswitch Download PDFInfo
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- CN104658788B CN104658788B CN201510077699.6A CN201510077699A CN104658788B CN 104658788 B CN104658788 B CN 104658788B CN 201510077699 A CN201510077699 A CN 201510077699A CN 104658788 B CN104658788 B CN 104658788B
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- terminal
- bottom case
- microswitch
- normally closed
- contact
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Abstract
The present invention provides a kind of microswitch, including bottom case and upper cover, and the micromotion mechanism among bottom case and upper cover is set, the micromotion mechanism includes public terminal, normally closed terminal and normally opened terminal, and one end is fixedly connected on public terminal, the other end is set among normally closed terminal and normally opened terminal and in the elastic slice for being connected to normally closed terminal under normal conditions, the elastic slice and public terminal junction upper end are provided with PBU pushbutton unit, the microswitch, its building block is few, structure is simple, greatly reduce production cost, using simple precision component and cleverly design so that being mutually fitted close between all parts, high sensitivity, service life is long.
Description
Technical field
The present invention relates to a kind of microswitches.
Background technique
Microswitch is the snap-action mechanism with small contact separation, and industry is very high to the sensitivity requirement of microswitch,
And current many microswitch structures are complicated, the raising in sensitivity is few, but because structure is complicated and brings higher
Cost, it is therefore proposed that a kind of structure is simple, the microswitch of high sensitivity is a current major issue to be solved.
Summary of the invention
In view of this, a kind of the technical problem to be solved in the present invention is to provide structures simple, high sensitivity microswitch.
In order to solve the above technical problems, present invention provide the technical scheme that a kind of microswitch, including bottom case and upper
Lid, and is arranged in the micromotion mechanism among bottom case and upper cover, and the micromotion mechanism includes public terminal, normally closed terminal and normally opened
Terminal and one end are fixedly connected on public terminal, the other end is set to normally closed terminal and normally opened terminal among and under normal conditions
It is connected to the elastic slice of normally closed terminal, the elastic slice and public terminal junction upper end are provided with PBU pushbutton unit.
The PBU pushbutton unit includes button cover and push rod, and is socketed on behind push rod top and connects button cover jointly with push rod
Buffer spring.
It is provided with retention bead on the push rod, the retaining groove of limitation retention bead operating range is provided on the bottom case.
The junction of the button cover and push rod and buffer spring is also provided with circlip and plain cushion.
The elastic slice includes stem portion and buffer part, and one end that stem portion and buffer part are collected is equipped with movable contact, stem portion
The other end turn up certain angle and pass through rivet or be welded on public terminal, the other end of buffer part can limit shifting
It is connected on public terminal dynamicly.
The buffer part is bending or linear structure.
The public terminal is hierarchic structure, and hierarchic structure includes step, second level ladder and is set to step
The handrail of end two sides；The step for head end rivet or weld stem portion, end for elastic slice provide swinging distance with
Stem portion turns up the matched incline structure in part, and the clamping groove mobile for buffer part limit is provided on handrail, and second level ladder prolongs
It is external to stretch out bottom case.
One end of the normally closed terminal and normally opened terminal is provided with and movable contact corresponding upper contact and lower touching up and down respectively
Point, it is external that the other end extends bottom case.
One end of the normally closed terminal and normally opened terminal setting upper contact and lower contact is also provided with embedding with bottom case and upper cover
The fixed part of conjunction.
Registration holes and contraposition column, and the screw hole fixed for screw have been correspondingly arranged on the bottom case and upper lid.
Compared with prior art, the present invention has the advantage that
The present invention provides a kind of microswitch, and the composition portion for simplifying microswitch is maximized while improving sensitivity
Part remains the basic component units of microswitch, keeps its building block few, and structure is simple, greatly reduces production cost；But
It is different from existing labyrinth significantly in the structure design of basic component units, in inclining for the connecting pin of elastic slice and public terminal
In gradient design, firm connection not only ensure that, but also rightly reserved the scope of activities of elastic slice；It is set on PBU pushbutton unit
Spring is set, sense of touch is both enhanced, in turn ensures the flexibility of button；The limit design further protection of PBU pushbutton unit and bottom case
Elastic slice, avoids being damaged because excessively pressing；Using simple precision component and cleverly design so that phase between all parts
It is mutually fitted close, high sensitivity, the service life is long.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of microswitch of the present invention.
Fig. 2 is the schematic diagram of internal structure that microswitch of the present invention opens upper cover.
Fig. 3 is the bottom case and superstructure schematic diagram of microswitch of the present invention.
Fig. 4 is the PBU pushbutton unit explosive view of microswitch of the present invention.
Fig. 5 is the normally closed terminal and normally opened terminal explosive view of microswitch of the present invention.
Fig. 6 is the elastic slice explosive view of microswitch of the present invention.
Fig. 7 is the public terminal structural schematic diagram of microswitch of the present invention.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, being carried out below in conjunction with attached drawing and embodiment to the present invention further
Detailed description.
As shown in Fig. 1~7, a kind of microswitch including bottom case 1, upper cover 11 and is arranged in micro- in bottom case 1 and upper cover 11
Motivation structure has been correspondingly arranged location hole 13 and the contraposition engaging of positioning column 14 on the bottom case 1 and upper cover 11, and has been correspondingly arranged confession
The screw hole 15 that screw passes through and locks, the micromotion mechanism include the public terminal 2, normally closed terminal 3 and normally open end of external circuits
Son 4 further includes the elastic slice 5 of switching connection and the PBU pushbutton unit 6 of control switching connection；Described 5 one end of elastic slice is solid by rivet 54
Surely be connected on public terminal 2, the other end be provided with movable contact 53, with normally closed terminal 3 and normally opened terminal 4 on upper contact 31 and
Lower contact 41 is corresponding, and under normal conditions, movable contact 53 is contacted with upper contact 31, and the circuit that normally closed terminal 3 is accessed is connected；Press by
When button device 6, movable contact 53, which is pressed, is connected to lower contact 41, the circuit conducting that normally opened terminal 4 is connected.The present invention passes through letter
Single and exquisite structure composition microswitch reduces production cost while improving and switching sensitivity, and extends micro-
The service life of dynamic switch.
Wherein, as shown in figure 4, the PBU pushbutton unit 6 is including button cover 61, push rod 62 and is connected to button cover 61 and push rod
Circlip 65, plain cushion 66 and buffer spring 63 between 62, the buffer spring 63 are socketed on push rod 62, circlip 65 and plain cushion 66
It is connected at the top card slot of push rod 62, then button cover 61 is socketed on 62 top of push rod, plain cushion 66, which blocks, at this time is surely pressing
On button lid 61, for plain cushion 66 there are also the effect for supporting buffer spring 63, the bottom end of push rod 62 is also provided with retention bead 621, described
The region that PBU pushbutton unit 6 is arranged on bottom case 1 is provided with retaining groove 64, and retaining groove 64 limits the depression distance of retention bead 621, thus
The operating range for limiting push rod 62, damage caused by being effectively reduced the microswitch due to stress is too big or number of operations is too many
It is bad, extend the service life of switch.
As shown in Fig. 2,6,7, the elastic slice includes stem portion 51 and buffer part 52, and 51 one end of stem portion is folded up centainly
Angle, and rivet public terminal 2 at the end, the other end connect with buffer part 52, and buffer part 52 is warp architecture, removes and stem portion
The other end outside one end of 51 connections, which can limit, to be movably connected on public terminal 2.The public terminal 2 is a ladder knot
Structure, including step 21, second level ladder 22 and the handrail 23 for being set to 21 end two sides of step, wherein step 21
For incline structure identical with one section of the gradient that stem portion 51 is folded up, second level ladder 22 extends to be connected outside bottom case 1
External circuit is provided on the handrail 23 and limits mobile clamping groove 24 for buffer part 52.
As shown in figure 5, the normally closed terminal 3 and 4 one end of normally opened terminal is corresponding with about 53 movable contact is respectively provided with
Contact 31 and lower contact 41, the other end extend bottom case 1 for connecting external circuit, touch in normally closed terminal 3 and the setting of normally opened terminal 4
One end of point 31 and lower contact 41 is respectively provided with the fixed part 12 being fitted and fixed with bottom case 1 and upper cover 11.
Plastic cement part substitution or the design substitution normal-closed end in rubber shell 1 can be used in the normally closed terminal 3 or normally opened terminal 4
The plastic cement boss of son 3 or 4 shift function of normally opened terminal.
The fitting portion being fitted and fixed with bottom case 1 and upper cover 11 is also provided on shown public terminal 2.
As shown in Fig. 2, the middle push rod 62 of button mechanism is under the blocking of stem portion 51, retention bead 621 under normal conditions
There are certain distances with retaining groove 64, and movable contact 53 and upper contact 31 contact at this time；If applying external force in button cover 61, entirely press
Button device 6 pushes therewith, and under the action of retention bead 621 and retaining groove 64, PBU pushbutton unit 6 can only press down on a spacing
From, and the distance is sufficient to make stem portion 51 to be pressed down to which movable contact 53 leaves upper contact 31, connect with lower contact 41, and should
Depression distance protects stem portion 51, deforms or is damaged because being pressed excessively so that stem portion 51 is avoided.
Microswitch structure disclosed in this invention is simple, and using simple precise part and cleverly design is so that each portion
It is mutually fitted close between part, high sensitivity, the service life is long, and since its building block is few, structure is simple, greatly reduces life
Produce cost.
The above are wherein specific implementations of the invention, and the description thereof is more specific and detailed, but can not therefore manage
Solution is limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art, not departing from
Under the premise of present inventive concept, various modifications and improvements can be made, these obvious alternative forms belong to this hair
Bright protection scope.
Claims (7)
1. a kind of microswitch, including bottom case (1) and upper cover (11), and setting are micro- among bottom case (1) and upper cover (11)
Motivation structure, it is characterised in that: the micromotion mechanism includes public terminal (2), normally closed terminal (3) and normally opened terminal (4), Yi Jiyi
End is fixedly connected on public terminal (2), the other end is set to normally closed terminal (3) and normally opened terminal (4) is intermediate and is connecting under normal conditions
It is connected to the elastic slice (5) of normally closed terminal (3), the elastic slice (5) and public terminal (2) junction upper end are provided with PBU pushbutton unit (6)；
The elastic slice (5) includes stem portion (51) and buffer part (52), and one end that stem portion (51) and buffer part (52) are collected is equipped with dynamic
Contact (53), the other end of stem portion (51) turn up certain angle and rivet or be welded on public terminal by rivet (54)
(2) on, the other end of buffer part (52), which can limit, to be movably connected on public terminal (2)；The public terminal (2) is ladder
Structure, hierarchic structure include step (21), second level ladder (22) and the handrail for being set to step (21) end two sides
(23)；The step (21) is head end rivet or weld stem portion (51), end be elastic slice (5) provide swinging distance with
Stem portion turns up the matched incline structure in part, and the clamping groove mobile for buffer part (52) limit is provided on handrail (23)
(24), it is external to extend bottom case (1) for second level ladder (22), has been correspondingly arranged registration holes in the bottom case (1) and upper cover (11)
(13) and column (14) are aligned, and the screw hole (15) fixed for screw.
2. microswitch according to claim 1, it is characterised in that: the PBU pushbutton unit (6) include button cover (61) and
Push rod (62), and it is socketed on the buffer spring (63) for connecting button cover (61) behind push rod (62) top jointly with push rod (62).
3. microswitch according to claim 2, it is characterised in that: be provided with retention bead on the push rod (62)
(621), the retaining groove (64) of limitation retention bead (621) operating range is provided on the bottom case (1).
4. microswitch according to claim 3, it is characterised in that: the button cover (61) and push rod (62) and buffering elastic
The junction of spring (63) is also provided with circlip (65) and plain cushion (66).
5. microswitch according to claim 1, it is characterised in that: the buffer part (52) is bending or linear structure.
6. microswitch according to claim 1, it is characterised in that: one end of the normally closed terminal (3) is provided with and moves
Corresponding upper contact (31) on contact (53), one end of the normally opened terminal (4) be provided with it is corresponding under movable contact (53) under
Contact (41), it is external that the other end extends bottom case (1).
7. microswitch according to claim 6, it is characterised in that: the normally closed terminal (3) and normally opened terminal (4) setting
One end of upper contact (31) and lower contact (41) is also provided with the fixed part (12) chimeric with bottom case (1) and upper cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077699.6A CN104658788B (en) | 2015-02-13 | 2015-02-13 | A kind of microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077699.6A CN104658788B (en) | 2015-02-13 | 2015-02-13 | A kind of microswitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104658788A CN104658788A (en) | 2015-05-27 |
| CN104658788B true CN104658788B (en) | 2019-02-12 |
Family
ID=53249794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077699.6A Active CN104658788B (en) | 2015-02-13 | 2015-02-13 | A kind of microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104658788B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6493686B2 (en) * | 2016-05-31 | 2019-04-03 | 京セラドキュメントソリューションズ株式会社 | Image forming apparatus having cover opening / closing mechanism |
| CN107017107B (en) * | 2017-06-05 | 2018-12-25 | 漳州聚安美电气科技有限公司 | The double limit universal switches of the fine motion of dual spring |
| CN107134384B (en) * | 2017-06-05 | 2019-05-21 | 漳州聚安美电气科技有限公司 | Fine motion based on double elastic components limits universal switch |
| CN107039197B (en) * | 2017-06-05 | 2019-05-21 | 漳州聚安美电气科技有限公司 | A kind of fine motion limit universal switch |
| CN107017106B (en) * | 2017-06-05 | 2019-05-21 | 漳州聚安美电气科技有限公司 | A kind of spring multichannel micro limit switch |
| CN107026045B (en) * | 2017-06-05 | 2019-05-21 | 漳州聚安美电气科技有限公司 | Double elastic slice fine motions limit universal switch |
| CN107464713B (en) * | 2017-08-23 | 2019-12-17 | 温州领纳电子有限公司 | Micro-gap switch that can atress warp |
| CN107887188B (en) * | 2017-12-19 | 2020-10-16 | 宁波市北仑恒业电梯配件厂（普通合伙） | Elevator door contact switch |
| CN109411276B (en) * | 2018-11-29 | 2023-08-29 | 深圳市德威控制系统有限公司 | Micro-switch |
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|---|---|---|---|---|
| TW315034U (en) * | 1997-04-11 | 1997-09-01 | Zippy Tech Corp | Elastic-sheet type micro-switch |
| US5875887A (en) * | 1997-05-15 | 1999-03-02 | Shin Jiuh Corp. | Contact switch assembly having a conductor that holds a movable contact plate |
| JP2000215751A (en) * | 1999-01-25 | 2000-08-04 | Omron Corp | Micro-switch |
| CN201051457Y (en) * | 2007-06-05 | 2008-04-23 | 北京第一机床电器厂有限公司 | A micro-adjusting switch |
| CN201112202Y (en) * | 2007-08-07 | 2008-09-10 | 厦门金思维电子有限公司 | Microswitch |
| CN201204143Y (en) * | 2008-04-25 | 2009-03-04 | 艾礼富电子(深圳)有限公司 | Push type microswitch |
| CN202695238U (en) * | 2012-05-29 | 2013-01-23 | 新巨企业股份有限公司 | Microswitch capable of saving switching power |
| CN202695237U (en) * | 2012-07-13 | 2013-01-23 | 尹光雄 | Micro-switch |
| CN204348561U (en) * | 2015-02-13 | 2015-05-20 | 惠州市弘宝电器有限公司 | A kind of sensitive switch |
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2015
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW315034U (en) * | 1997-04-11 | 1997-09-01 | Zippy Tech Corp | Elastic-sheet type micro-switch |
| US5875887A (en) * | 1997-05-15 | 1999-03-02 | Shin Jiuh Corp. | Contact switch assembly having a conductor that holds a movable contact plate |
| JP2000215751A (en) * | 1999-01-25 | 2000-08-04 | Omron Corp | Micro-switch |
| CN201051457Y (en) * | 2007-06-05 | 2008-04-23 | 北京第一机床电器厂有限公司 | A micro-adjusting switch |
| CN201112202Y (en) * | 2007-08-07 | 2008-09-10 | 厦门金思维电子有限公司 | Microswitch |
| CN201204143Y (en) * | 2008-04-25 | 2009-03-04 | 艾礼富电子(深圳)有限公司 | Push type microswitch |
| CN202695238U (en) * | 2012-05-29 | 2013-01-23 | 新巨企业股份有限公司 | Microswitch capable of saving switching power |
| CN202695237U (en) * | 2012-07-13 | 2013-01-23 | 尹光雄 | Micro-switch |
| CN204348561U (en) * | 2015-02-13 | 2015-05-20 | 惠州市弘宝电器有限公司 | A kind of sensitive switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104658788A (en) | 2015-05-27 |
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