CN105047458B - Microswitch - Google Patents
Microswitch Download PDFInfo
- Publication number
- CN105047458B CN105047458B CN201510408408.7A CN201510408408A CN105047458B CN 105047458 B CN105047458 B CN 105047458B CN 201510408408 A CN201510408408 A CN 201510408408A CN 105047458 B CN105047458 B CN 105047458B
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- China
- Prior art keywords
- pin
- movable contact
- housing
- contact flat
- connecting rod
- 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.)
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- 230000004888 barrier function Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 10
- 230000008602 contraction Effects 0.000 abstract description 8
- 230000001939 inductive effect Effects 0.000 description 16
- 239000002184 metal Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention relates to a microswitch for triggering a switch when being applied by pressure. A microswitch comprises a shell, a contact switch and a contact briquetting. The contact briquetting is movably hinged to the outside of the shell. The contact switch comprises a first pin, a second pin, a third pin, a movable contact piece, an elastic reset component and a connecting rod. An upper end of the second pin is provided with a transverse bending part. A fixed end of the movable contact piece is clamped at the upper part of the first pin. A free end of the movable contact piece is arranged below the transverse bending part. A raised bending contraction section is arranged on the movable contact piece. An outer end of the connecting rod is hinged to the contact briquetting; a middle part of the connecting rod is hinged to the inside of the shell; and an inner end of the connecting rod extends to below the movable contact piece and is connected to the movable contact piece. An upper end of the elastic reset component is connected onto the inner wall of the top of the shell, and a lower end of the elastic reset component is fixed to the middle part of the movable contact piece. The third pin, which is used as a standby pin, can be connected to the free end of the movable contact piece. The structure of the microswitch is novel and reasonable. The microswitch has good stability, is not easy to cause spurious triggering and can be used for two purposes.
Description
Technical field
The invention belongs to sensor field, more particularly to a kind of microswitch for bestowing pressure and trigger switch.
Background technology
At present, microswitch is commonly used in many fields, and especially in many electrical equipment, it is used as both common spirits
Quick switch a kind of and propose very high requirement as the executive component in some electric elements, thus it is its susceptiveness, steady
Qualitative and safety is extremely important.
At present, there is following deficiency by the microswitch bestowed less pressure and trigger：
When the first, driving the part of microswitch more, higher build-up tolerance is needed between each part in assembling, caused
Assembling difficulty and less stable；
2nd, existing microswitch typically has spring to realize switch in the adnexa of trigger member, and spring is with pressure wave
Linear elongation is compressed, not only can unstable in vibration, and is also easy to fatigue and changes, therefore stability is poor, appearance
Easily there is situations such as dynamic false touch or loose contact, using effect is poor.
3rd, existing microswitch is mostly all unidirectional fine motion, lacks reversely dual-purpose function, generally often closes switch and uses
Comparison is more, therefore just cannot be dual-purpose in some normally opened environment, and switch once damages and is accomplished by changing, and also lacks emergent work(
Energy.
4th, existing fine motion inductive switch not only lacks overtemperature protection, and the safety of itself is not high, and internal structure is multiple
Miscellaneous, layout is excessively compact, even if arranging overheating protection circuit, also results in its overall structure too complex, high cost.
5th, additional overheating protection circuit generally utilizes electric fuse, and primary current is excessive just to fuse, and causes once to destroy just
Keep in repair, service life is short.
Therefore existing microswitch needs to improve.
The content of the invention
For the defect and deficiency of prior art, the technical problem to be solved of the present invention is that a kind of structure of offer is new
Grain husk and rational microswitch, the microswitch good stability is less prone to false triggering, and safety is higher；Meanwhile, it also has
There is standby pin, using standby pin reversely using for normally opened and normal off status not only can be provided, this can also be switched
Emergency use after lower upset.
To realize solving above-mentioned technical problem to be solved, the present invention is employed the following technical solutions：
A kind of microswitch, including housing, the touch switch in housing and shake-up briquetting；The shake-up briquetting
Hull outside is movably arranged on, and connects touch switch；The touch switch includes：First pin, the second pin, the 3rd insert
Foot, movable contact flat and connecting rod；First pin and the second pin are longitudinally disposed, and its top is respectively positioned in housing, and shell is stretched out in bottom
Body lower section；Second pin upper end is provided with the transverse fold portion for pointing to the first pin；Movable contact flat horizontally set and positioned at first insert
Between foot top and the second pin top；The fixing end of movable contact flat is connected to the top of the first pin, the freedom of movable contact flat
Lower section of the end located at transverse fold portion；Connecting rod outer end is hinged on the shake-up briquetting, and connecting rod middle part is hinged in the housing,
Stretch into movable contact flat lower section and connect movable contact flat in connecting rod the inner；The horizontal level of connecting rod middle part hinged place is higher than the work
The horizontal level of movable contact spring；Housing below the free end of movable contact flat is provided with tapped through hole, the 3rd pin top spiral shell
Stricture of vagina is connected in the tapped through hole, leave between the upper end of the 3rd pin and the free end of the movable contact flat clearance for insulation or
It is provided with an insulating barrier that can be the worse for wear；3rd pin middle part is foldable, and the 3rd pin bottom is located at hull outside and is folded in institute
State housing bottom；When enabling, open the 3rd pin bottom of folding and rotate, the 3rd pin is integrally stretched and logical along the screw thread
After the rotation upwards of hole, the free end conductive contact of the insulating barrier that the upper end of the 3rd pin can wear out and the movable contact flat.
Preferably, the shake-up briquetting side is provided with two blocks of wing plates, the symmetrical interval setting of two wing plates；The wing plate
Distal medial is provided with the card of T-shaped and connects end, and housing is respectively provided on two sides with and the card short slot that even end is hinged, touches briquetting and pass through it
The card of distal end connects end and is movably articulated in hull outside, and connects touch switch；
Preferably, the touch switch also includes elastic reset component；Elastic reset component upper end is connected to housing top
On the inwall of side, lower end is fixed on the middle part of movable contact flat；The bottom of the elastic reset component is to push post portion, and top is a ring
Around and be fixedly connected on the annular deformation film for pushing post portion top peripheral wall；The pushing post portion bottom is fixed on movable contact flat
Middle part, the annular deformation film top is pressed on the inwall of housing top side.
Preferably, the 3rd pin middle part is foldable, the 3rd pin bottom is located at hull outside and may be folded on the shell
Body bottom.
Preferably, the first pin top is provided with the movable notch for being available for connecting rod to pass through；The movable contact flat is fixed
End is provided with the free gap for being available for connecting rod to pass through；The first pin top is the first furcation of Y-shaped structure, movable notch
In the middle of the first furcation；The movable contact flat fixing end is provided with the second furcation of Y-shaped structure, and free gap is located at the
In the middle of bifurcated portion.
Preferably, the first pin top is provided with arc gap groove, the end face of the movable contact flat fixing end is curved, and blocks
Enter in the arc gap groove；Movable contact flat is provided with the bending contraction section of a protuberance, and the movable contact flat is temperature-sensitive memory metal
Piece.
Preferably, the movable contact flat free end upper and lower surface is equipped with movable contact, transverse fold portion bottom surface is provided with
The stationary contact coordinated with the movable contact above the movable contact flat free end；Movable contact below movable contact flat free end and the 3rd
The upper end position of pin is corresponding；Annular deformation film deformed state and the spacing that changes is more than between the movable contact and stationary contact
Maximum spacing.
Preferably, the annular deformation film is surrounded by the directed inclined upwardly arc-shaped concave of inner recess；The annular deformation
Film is provided with least two balance through holes, and wherein at least two balances the symmetrical setting in position of through hole.
Compared with existing microswitch, the present invention has the advantages that：
First, the part of fine motion inductive switch of the invention is less, and structure is novel and reasonable, and in assembling, match ratio is relatively held
Easily, highly versatile, ensures stability again.
Secondly, the microswitch of the present invention make use of the lever principle of connecting rod in trigger member, abandon using spring, recycle
Even if meeting resilience after elastic reset component ensures to unclamp every time resets, it is ensured that disconnect, the probability of false triggering is reduced so that triggering
Open and closed in switch are more apparent from, and the false touch for no longer bringing with spring fatigue, vibration and poor fit is moved
Or situations such as loose contact so that the fine motion induction switch structure of the present invention is more stable, and service life is longer.
3rd, the 3rd pin of the microswitch belongs to standby pin, does not use at ordinary times, if necessary, can be by the fine motion
The normally open or normally closed state of switch is reversely switched.Further, it is also possible to when the microswitch is damaged, the switch be turned over up and down
Emergency use after turning.
Finally, in above-mentioned further preferred scheme, movable contact flat utilizes temperature-sensitive memory metal to microswitch of the invention,
Not only do not increase and overload overtemperature protection is realized on the basis of structure, improve the fine motion inductive switch safety of itself, and
And, using temperature-sensitive memory metal, even if there is overload, nor destructive protection, the fine motion inductive switch can be after after cooling
It is continuous to use.
Description of the drawings
Fig. 1：The dimensional structure diagram of embodiment of the present invention fine motion inductive switch.
Fig. 2：Cross-sectional view when embodiment of the present invention fine motion inductive switch disconnects and during the 3rd pin not enabled.
Fig. 3：When embodiment of the present invention fine motion inductive switch disconnects and cross-sectional view of the 3rd pin when enabling.
Fig. 4：Cross-sectional view during embodiment of the present invention fine motion inductive switch triggering closure.
Fig. 5：The dimensional structure diagram of movable contact flat in the embodiment of the present invention.
Fig. 6：The dimensional structure diagram of the first pin in the embodiment of the present invention.
Fig. 7：The dimensional structure diagram of elastic reset assembly in the embodiment of the present invention.
Fig. 8：The cross-sectional view of elastic reset assembly uncompressed state in the embodiment of the present invention.
Fig. 9：The cross-sectional view of elastic reset assembly compressive state in the embodiment of the present invention.
In figure：Housing 1；Induction pieces 10；Inductive circuit board 100；Hinged pillar 11；First pin 2；Arc gap groove 21；It is living
Dynamic notch 22；Bifurcated plate 23；Second pin 3；Transverse fold portion 31；Stationary contact 32；Movable contact flat 4；Bending contraction section 41；It is dynamic to touch
Point 42；Free gap 44；Bifurcated terminals 45；Touch briquetting 5；Wing plate 51；Card connects end 52；3rd pin 6, the 3rd pin bottom
60th, the 3rd pin top 61, insulating barrier 62, tapped through hole 610, connecting rod 7；Upper lid 8；Elastic reset component 9；Hard adapter sleeve
90；Annular deformation film 92；Balance through hole 920；Push post portion 93.
Specific embodiment
Do further citing description to the present invention below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to this.
Embodiment：
A kind of fine motion inductive switch as shown in figs 1-9, is made up of housing 1, touch switch and shake-up briquetting 5.Housing 1
Top be upper lid 8, touch briquetting 5 side and be provided with two blocks of wing plates 51, two symmetrical interval settings of wing plate 51.The wing plate 51
Distal medial is provided with the card of T-shaped and connects end 52, and the housing 1 corresponding with card even end 52 is respectively provided on two sides with and is even hinged at end with the card
Short slot 13.Shake-up briquetting 5 connects end 52 and is movably articulated in the outside of housing 1 by the card of its distal end, and connects touch switch.Touch
Briquetting 5 can be up and down with pressure effect, so as to drive touch switch to complete the action of on an off.Above-mentioned touch switch main body peace
It is mounted in housing 1, upper lid 8 covers and touch switch is enclosed in into case inside on housing, completes assembling.
Above-mentioned touch switch includes：First pin 2, the second pin 3, the 3rd pin 6, movable contact flat 4, elastic reset component
9 and connecting rod 7, the first pin 2 and the second pin 3 it is longitudinally disposed, its top is respectively positioned in housing 1, and bottom is stretched out under housing 1
Side.When switching off, do not connect between the first pin 2 and the second pin 3, during switch closure, the first pin 2 and the second pin 3
It is electrically connected by movable contact flat 4.Specifically, the first pin 2 is as shown in figure 4, the top of the first pin 2 is the first of Y-shaped structure
Furcation, the first furcation includes the symmetrical bifurcated plate 23 of pair of right and left, and leaving between left bifurcated plate 23 and right bifurcated plate 23 can
For the movable notch 22 that connecting rod 7 is passed through, i.e., movable notch 22 is located in the middle of the first furcation.The upper end of second pin 3 is provided with sensing
The transverse fold portion 31 of the first pin 2.The horizontally set of above-mentioned movable contact flat 4 and on the top of the first pin 2 and the second pin 3
Between portion, the fixing end of movable contact flat 4 is connected to the top of the first pin 2, and the free end of movable contact flat 4 is located at transverse fold portion
31 lower section.Specifically, the fixing end of movable contact flat 4 is provided with the second furcation of Y-shaped structure, and the second furcation also includes left and right
A pair symmetrical bifurcated terminals 45, also leave the free gap 44 for being available for connecting rod 7 to pass through between left and right bifurcated terminals 45, i.e. activity
Gap 44 is located in the middle of the second furcation.
The top of the first pin 2 is that arc gap groove 21 is equipped with left and right bifurcated plate 23, and the fixing end of movable contact flat 4 is left and right
The end of bifurcated terminals 45 is curved, and left and right bifurcated terminals 45 correspond to respectively the arc gap groove 21 for snapping in left and right bifurcated plate 23
It is interior.The free end of movable contact flat 4 is provided with movable contact 42, and the bottom surface of transverse fold portion 31 is provided with the stationary contact coordinated with movable contact 42
32。
The outer end of above-mentioned connecting rod 7 is hinged on shake-up briquetting 5, and the inner side of housing 1 is provided with hinged pillar 11, and the middle part of connecting rod 7 is hinged
Hinged pillar 11 in housing 1, the inner of connecting rod 7 is stretched into the lower section of movable contact flat 4 and is connected with the contact of movable contact flat 4, and connecting rod 7
Middle part hinged place horizontal level higher than movable contact flat 4 horizontal level, the middle part hinged place of connecting rod 7 as fulcrum, using lever
Principle, when pushing shake-up briquetting 5, the connection stationary contact 32 of movable contact 42, switch closure.
The above-mentioned upper end of elastic reset component 9 is connected on the top side inwall of housing 1, and lower end is fixed on the middle part of movable contact flat 4.
Specifically, the bottom of elastic reset component 9 is to push post portion 93, top be one around and be fixedly connected on the top of pushing post portion 93
The annular deformation film 92 of periphery wall, the annular top of deformation film 92 is pressed on the top side inwall of housing 1.Push the periphery of post portion 93
Portion's also fixation is arranged with a hard adapter sleeve 90, and the material that hard engagement sleeves 90 are adopted is easy to process, corrosion-resistant and deformation
Duroplastss, and be fixed thereon using tight fit mode with post portion 93 is pushed, move with it and move, post portion 93 is pushed by hard
Matter adapter sleeve 90 is fixedly connected on the middle part of movable contact flat 4.Annular deformation film 92 and above-mentioned pushing post portion 93 are that identical is soft
Silica gel material is made, and annular deformation film 92 and pushing post portion 93 are connected as a single entity, using the elastic reset component of such one
9, mix hard engagement sleeves 90, although manufacturing cost is slightly higher, but ruggedness is fine.
Above-mentioned annular deformation film 92 is surrounded by the directed inclined upwardly arc-shaped concave of inner recess.In order to preferably make annular deformation
The elastic deformation of film 92 so as to which work is more stable, misoperation is reduced, and the annular deformation film 92 of the present invention is provided with two balances and leads to
Hole 920, so, the space that annular deformation film 92 and the inwall of upper lid 8 are surrounded just is not confined space, is easy to counterbalance annular shape
Become the inner air and outer air pressure of film 92 so that pushing post portion 93 can more easily rise and drive the deformation of annular deformation film 92.
If not balancing through hole 920, first, the difficulty of annular deformation film 92 deformation is just increased, and under how many pressure values
Deformation just becomes unstable, so easily makes annular deformation film 92 contact blunt or misoperation, causes fine motion inductive switch needs
Bigger strength carrys out trigger switch, and stability is bad；Meanwhile, if not balancing through hole 920, even if each in annular deformation film 92
Also annular deformation film 92 and the top edge of the inwall contact position of upper lid 8 is easily promoted to be raised and air-out during deformation, so as to cause
Make the deformation of annular deformation film 92 irregular, it is easily caused after multiple deformation cooperation is distorted on housing 1.In order to preferably make ring
The deformation of shape deformation film 92, two of the quantity symmetrical setting preferably as above of balance through hole 920, i.e., two balance through holes
920 position office is on the annular deformation film 92 for pushing the both sides of post portion 93.
Above-mentioned movable contact flat 4 is temperature-sensitive memory metal sheet, and movable contact flat 4 is provided with the bending contraction section 41 of a protuberance, should
With certain elasticity when bending contraction section 41 is flat, it is not delivered under the situation of pressure briquetting 5 is touched, activity can be ordered about
The movable contact 42 of contact 4 departs from downwards stationary contact 32.The material of movable contact flat 4 is temperature-sensitive memory metal, and also with bending
Contraction section 41, when the current overload at the first pin 2 and the two ends of the second pin 3, movable contact flat 4 is overheated soon, now activity
Contact 4 deforms, especially the rapid desufflation of bending contraction section 41, and now, the first pin 2 and the fixing end of movable contact flat 4 be not in clamping
Contact, or even also position does not correspond between the stationary contact 32 of the grafting of movable contact 42 and second of movable contact flat 4, cuts off the electricity of the two
Connection.
When using, when the housing 1 of fine motion inductive switch is fixedly connected with sensor, the trigger unit on sensor is to touching
Briquetting 5 applies downward pressure, touches briquetting 5 downwards, by the leverage of connecting rod 7, makes on the free end of movable contact flat 4
Raise, elastic reset component 9 is compressed, and the deformation as shown in Figure 7 of annular deformation film 92, while the He of movable contact 42 of movable contact flat 4
Stationary contact 32 is contacted, and then connects first pin 2 and the second pin 3 at two ends, and fine motion inductive switch is switched on；
Movable contact flat 4 under normality is restored to the original state by elastic reset component 9, i.e., annular deformation film 92 extends to original state,
Order about movable contact flat 4 and push the lower end of connecting rod 7 so that touch briquetting 5 return and keep movable contact flat 4 laterally to balance, movable contact flat 4 with
Do not contact between transverse fold portion 31, such structure setting, it is therefore intended that so that fine motion induction switch structure is simple, reaction spirit
It is quick, above all using stable.When the voltage overload at the first pin 2 and the two ends of the second pin 3, movable contact flat 4 is produced and risen
Temperature, the bending contraction section 41 of movable contact flat 4 that temperature-sensitive memory metal makes shrinks, and bent downward deforms, so that its
Depart from the disconnecting circuit of transverse fold portion 31, so as to realize overcurrent protection of the fine motion inductive switch to sensor.
Above-mentioned connecting rod 7 is insulated connecting rod, and it is also all insulation that certain elastic reset component 9 is overall, in order to allow micro-
Dynamic inductive switch more safety and stability, prevents short circuit or overload protection failure.
Housing 1 below the free end of movable contact flat 4 is provided with tapped through hole 610, above-mentioned 3rd pin top 61
External screw thread is set, is threaded in tapped through hole 610 by the external screw thread, the upper end of the 3rd pin 6 and movable contact flat 4 from
By clearance for insulation is left between end or an insulating barrier 62 that can be the worse for wear is provided with.Under not enabled state, the upper end of the 3rd pin 6 is not
The installation intracavity of housing 1, the i.e. upper end of the 3rd pin 6 are stretched into positioned at the lower section of insulating barrier 62.Just stretch at the middle part of the 3rd pin 6
Go out the outside of housing 1, the middle part of the 3rd pin 6 is foldable, the bottom of the 3rd pin 6 is located at hull outside and may be folded on the housing 1
Bottom, the bottom of housing 1 can arrange the groove of the pin bottom 60 of a receiving the 3rd.
When enabling three pins, after threadingly through hole 1 rotates upwards, the upper end of the 3rd pin 6 can wear out the 3rd pin 6
Insulating barrier 62, directly with the free end conductive contact of movable contact flat 4.The present invention is as standby pin, necessity using the 3rd pin 6
When, the normally open or normally closed state of the fine motion inductive switch can reversely be switched.
Embodiments above is illustrated by way of example, and it can not be used as limitation of the present invention.Not
In the case of deviating from the scope of the invention, its principal character can be used for various embodiments.
Claims (3)
1. a kind of microswitch, including housing (1), the touch switch in housing (1) and shake-up briquetting (5)；It is described
Touch briquetting (5) and be movably arranged on housing (1) outside, and connect touch switch；It is characterized in that：The touch switch includes：
First pin (2), the second pin (3), the 3rd pin (6), movable contact flat (4) and connecting rod (7)；
First pin (2) and the second pin (3) are longitudinally disposed, and its top is respectively positioned in housing (1), and housing (1) is stretched out in bottom
Lower section；
Second pin (3) upper end is provided with the transverse fold portion (31) for pointing to the first pin (2)；
Movable contact flat (4) horizontally set and between the first pin (2) top and the second pin (3) top；
The fixing end of movable contact flat (4) is connected to the top of the first pin (2), and the free end of movable contact flat (4) is located at laterally folding
The lower section of turn of bilge (31)；
Connecting rod (7) outer end is hinged on shake-up briquetting (5), and connecting rod (7) middle part is hinged in the housing (1), connecting rod (7)
Stretch into movable contact flat (4) lower section and connect movable contact flat (4) in the inner；
Horizontal level of the horizontal level of connecting rod (7) middle part hinged place higher than the movable contact flat (4)；
Housing (1) below the free end of movable contact flat (4) is provided with tapped through hole (610), the 3rd pin top (61)
It is threaded in the tapped through hole (610), between the upper end of the 3rd pin (6) and the free end of the movable contact flat (4)
Leave clearance for insulation or be provided with an insulating barrier that can be the worse for wear (62)；Foldable, the 3rd pin bottom in 3rd pin (6) middle part
(60) positioned at hull outside and it is folded in the housing (1) bottom；When enabling, open the 3rd pin bottom (60) of folding and revolve
Turn, the 3rd pin (6) is integrally stretched and after the tapped through hole (610) rotation upwards, the upper end of the 3rd pin (6) can wear
The free end conductive contact of broken insulating barrier (62) and the movable contact flat (4).
2. a kind of microswitch according to claim 1, it is characterised in that：
Shake-up briquetting (5) side is provided with two pieces of wing plates (51), the symmetrical interval setting of two wing plates (51)；The wing plate (51)
Distal medial be provided with the card of T-shaped and connect end (52), housing (1) is respectively provided on two sides with and the card short slot (13) that even end is hinged,
Shake-up briquetting (5) connects end (52) and is movably articulated in housing (1) outside by the card of its distal end, and connects touch switch.
3. a kind of microswitch according to claim 1, it is characterised in that：
The touch switch also includes elastic reset component (9)；Elastic reset component (9) upper end is connected in housing (1) top side
On wall, lower end is fixed on the middle part of movable contact flat (4)；The bottom of the elastic reset component (9) is to push post portion (93), top
It is an annular deformation film (92) that is circular and being fixedly connected on pushing post portion (93) top peripheral wall；Pushing post portion (93) bottom
Portion is fixed on the middle part of movable contact flat (4), and annular deformation film (92) top is pressed on the inwall of housing (1) top side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408408.7A CN105047458B (en) | 2015-07-12 | 2015-07-12 | Microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408408.7A CN105047458B (en) | 2015-07-12 | 2015-07-12 | Microswitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105047458A CN105047458A (en) | 2015-11-11 |
| CN105047458B true CN105047458B (en) | 2017-04-12 |
Family
ID=54453919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510408408.7A Active CN105047458B (en) | 2015-07-12 | 2015-07-12 | Microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105047458B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070267284A1 (en) * | 2006-05-18 | 2007-11-22 | Lai Cheng-Tsai | Micro switch |
| CN202839392U (en) * | 2012-09-17 | 2013-03-27 | 宁波嘉林电子有限公司 | Tip microswitch |
| CN203674032U (en) * | 2014-01-18 | 2014-06-25 | 浙江欣大电气有限公司 | Microswitch |
| CN204966347U (en) * | 2015-07-12 | 2016-01-13 | 范瑶飞 | Microswitch |
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2015
- 2015-07-12 CN CN201510408408.7A patent/CN105047458B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105047458A (en) | 2015-11-11 |
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