CN207909759U

CN207909759U - A kind of microswitch of force-applied deformation

Info

Publication number: CN207909759U
Application number: CN201721071511.8U
Authority: CN
Inventors: 杨利华
Original assignee: Chengdu Source Technology Co Ltd
Current assignee: Chengdu Source Technology Co Ltd
Priority date: 2017-08-23
Filing date: 2017-08-23
Publication date: 2018-09-25
Anticipated expiration: 2027-08-23

Abstract

The utility model discloses a kind of microswitches of force-applied deformation, mainly by shell, drive rod, public terminal, A terminals, B terminals, connection sheet, stayed mast, press rods, supporting block, tension spring, return spring, pin, contact forms, it is provided with supporting block on shell between press rods and stayed mast, when the one end of drive rod far from stayed mast is squeezed by external force, stayed mast is driven the power that bar is pulled outwardly under the action of supporting block, pin and conducting block on stayed mast are disconnected with connection sheet and B terminals simultaneously respectively, to which B terminals are connect with public terminal terminal, the tension spring on stayed mast is applied with pulling force to stayed mast at this time；The press rods are driven the pressure of bar under the action of supporting block, feeler and hemispherical contact in press rods be under pressure respectively simultaneously with connection sheet and A termination contacts, A terminals are connected to public terminal, and the spring being arranged in press rods at this time is applied with pulling force to press rods.

Description

A kind of microswitch of force-applied deformation

Technical field

The utility model is related to miniature control field more particularly to a kind of switches, are a kind of force-applied deformations specifically Microswitch.

Background technology

Microswitch is that have small contact separation and snap-action mechanism, and it is dynamic to carry out switch with defined stroke and defined power The contact mechanism of work, is covered with shell, outside have a kind of switch of drive rod because contact spacing of its switch is smaller, Therefore named microswitch, is called sensitive switch.Electrically letter symbol is：SM.The type of microswitch is various, and internal structure has into hundred Thousands of kinds, there are plain edition, small-sized, microminiature by volume point；By barrier propterty point, there are water proof type, dust-protection type, explosion-proof type；By point Disconnected form point, has simply connected type, amphistyly, connects type more.Also a kind of strong disconnection microswitch（When the reed of switch is inoperative When, external force can also be such that switch disconnects）；By breaking capacity point, there are plain edition, once-through type, micro-current type, high current type.By making With environment point, there are plain edition, high temperature resistant type（250℃）, thermostable ceramic mould（400℃）

Microswitch derives small stroke type, big stroke type generally to press attachment as basic pattern without auxiliary.Root Different auxiliary can be added according to needs and press auxiliaries, according to the different pressing auxiliaries switches of addition can be divided into push button, reed rolls The various forms such as wheeled, lever roller formula, short movable arm type, long movable arm type.Microswitch is in the equipment for needing frequent changing-over circuit Carry out automatically controlling and safeguard protection etc., be widely used in electronic equipment, instrument and meter, mine, electric system, household electrical appliance, The military fields such as electrical equipment and space flight, aviation, naval vessel, guided missile, tank, have been widely used for the above field, though switch It is small, but play irreplaceable role.Since usage quantity is larger in a device for microswitch, be related to acting it is more, long-term It will appear failure during use, influence the normal work of system, one microswitch of any of which breaking down or damaging It is bad, it is likely to cause major accident, it can be seen that the reliability that microswitch is applied in integrated system apparatus will directly affect The operation of whole system, therefore the reliability for improving microswitch application is particularly important.

It is a kind of micro- that application number 201080043024.5 applies for that 102576618 A patents of invention of notification number CN disclose Dynamic switch, can improve the rigidity of rod unit and prevent versatility from reducing.Microswitch has：The frame of built-in switching mechanism Body is supported on the rod unit in framework to switching mechanism, the plunger of passing power, base end part.This microswitch is in rod unit Length direction centre position on, the lower surface of rod unit is abutted for the front end of plunger, and in the front end of rod unit, bar The upper surface of component can be abutted for detected material.It is on the upper surface of rod unit and tested avoiding abutting for detected material It surveys on the position of object abutting part and forms the first enhanced portion, on the lower surface of rod unit and avoiding what the front end for plunger abutted The second enhanced portion is formed on the position of plunger abutting part.Change the side of tie point inside the microswitch using sliding cylinder extrusion shrapnel Formula realizes the conversion work of microswitch, although microswitch normal work, long-time extrusion elastic stress may be implemented Deformation, is easy to cause spring leaf failure, and the conversion between the contact point of switch internal is controlled by a spring leaf, is easy to cause micro- Dynamic switch elastic force is insufficient.

Utility model content

The purpose of this utility model is to provide a kind of microswitches of force-applied deformation, it is therefore intended that solves microswitch Elastic force is less than normal, and spring leaf cannot be overturn the problem of causing microswitch to fail, and the utility model is using drive rod as lever, driving Bar and press rods, stayed mast and supporting block form lever system, press rods and stayed mast be internally provided with spring tension device and Spring returns power apparatus, and two springs all have elastic force when microswitch is in any type closed state, it is therefore intended that improve Microswitch stress check calculation recovery capability.

It further says, the utility model is mainly by shell, drive rod, public terminal, A terminals, B terminals, company in the case Contact pin, stayed mast, press rods, supporting block, tension spring, return spring, pin, contact composition, main realization principle is, described Shell is E fonts, and inside is divided into that the first cavity, the second cavity, third cavity, public terminal is provided with through-hole described in public chamber One end setting in hull outside, the other end is through the first cavity and the connection sheet integrally connected being arranged in public chamber；Institute It states A terminals and is provided with one end setting of through-hole in hull outside, the other end is arranged through the second cavity in public chamber；It is described B terminals are provided with one end setting of through-hole in hull outside, and the other end is arranged through third cavity in public chamber.On shell The exposed opposite side of terminal is provided with drive rod, the opposite end of B terminals is provided with stayed mast, is provided with and draws on stayed mast Foot, pin are contacted with connection sheet, and stayed mast one end is connected with drive rod, and the stayed mast other end is connected with B terminals, pair of A terminals Vertical end is provided with press rods, and press rods are provided with feeler in connection sheet close to the side of shell, and press rods are in A terminals and connection sheet Between be provided with return spring, elastic spring any one end is connected with connection sheet, the other end with close to the press rods endpoint of A terminals Be connected, the distance between feeler and connection sheet be equal between the press rods endpoint and press rods and A terminals of A terminals away from From supporting block being provided on the shell between press rods and stayed mast, when the one end of drive rod far from stayed mast is by external force When extruding, stayed mast is driven the power that bar is pulled outwardly under the action of supporting block, the pin on stayed mast and conducting block difference It is disconnected simultaneously with connection sheet and B terminals, to which B terminals are connect with public terminal terminal, the tension spring pair on stayed mast at this time Stayed mast is applied with pulling force；The press rods are driven the pressure of bar under the action of supporting block, the feeler in press rods and Hemispherical contact is under pressure respectively simultaneously with connection sheet and A termination contacts, and A terminals are connected to public terminal, at this time press rods The spring of upper setting is applied with pulling force to press rods.

The utility model is achieved through the following technical solutions：

A kind of microswitch of force-applied deformation of the utility model, including " E " font shell, shell is by the first cavity, Two cavitys, third cavity, public chamber composition, the public terminal are provided with one end setting of through-hole in hull outside, another End is through the first cavity and the connection sheet integrally connected being arranged in public chamber；One end that the A terminals are provided with through-hole is set It sets in hull outside, the other end is arranged through the second cavity in public chamber；The B terminals are provided with one end setting of through-hole In hull outside, the other end is arranged through third cavity in public chamber.It is set with the exposed opposite side of terminal on shell It is equipped with drive rod, opposes with B terminals in the public chamber and is provided with stayed mast, the drive rod and stayed mast clasp joint, pulling force It is provided with tension spring on bar, the tension spring any one end is connected the other end with stayed mast, and the other end is connected with B terminals, Pin is provided on the stayed mast, pin is contacted with connection sheet, under the action of microswitch is not by external force, stayed mast by Pulling force to tension spring is connected with B terminals, and pin is connected with connection sheet, and B terminals are connected with public terminal；In the common cavity Press rods are provided with the opposite of A terminals in vivo, press rods are made of casing, conducting rod socket, and described sleeve pipe runs through shell It is connect with drive rod, conducting rod through connection sheet and is equipped with hemispherical contact close to one end of B terminals, in A terminals and connection sheet Between conducting rod on be provided with return spring, the return spring any one end is connected with connection sheet, the other end with close to the ends A The conducting rod of son is connected, and metal feeler is fixed on the conducting rod, and feeler is arranged between connection sheet and casing, the feeler With at a distance from connection sheet be equal to the distance between contact and A terminals, under the action of microswitch is not by external force, feeler with connect Piece is not connected to, and contact is not connected to A terminals, is provided with supporting block on the shell between press rods and stayed mast, is worked as drive rod When one end far from stayed mast is squeezed by external force, stayed mast is driven drawing of the bar far from shell under the action of supporting block Power, pin and conducting block on stayed mast are disconnected with connection sheet and B terminals simultaneously respectively, to which B terminals and public terminal disconnect Connection, the tension spring on stayed mast is applied with pulling force to stayed mast at this time；The press rods under the action of supporting block by The pressure of drive rod, feeler and contact in press rods be under pressure respectively simultaneously with connection sheet and A termination contacts, A terminals with Public terminal is connected to, and the spring being arranged in press rods at this time is applied with pulling force to press rods.

Preferably, first cavity, the second cavity, third cavity are set perpendicular to the inner wall of two opposition of public chamber It is equipped with the cutting for fixing terminal, is provided with partition board between the first cavity, the second cavity, third cavity and public chamber, institute The gap stated between the cutting of two opposites is equal with the terminal thickness being provided at its inner portion, the first cavity, the second cavity, Partition board is provided between three cavitys and public chamber, the first cavity, the second cavity, third chamber outer wall are provided with chamfering, chamfering The sharp position on microswitch is eliminated, microswitch is reduced and contacts the frictional force generated with external object, fine motion is made to open It closes fixed more firm.

Preferably, it is provided between the second cavity and third cavity between the first cavity and the second cavity on the shell U-type groove for fixing microswitch is provided with two circular cavities with the opposite for being provided with A terminals side on the shell, leans on The size of the hole of nearly third cavity is only limitted to across press rods, and press rods can freely move up and down in hole, lean on The hole size of nearly second cavity is only limitted to through stayed mast, and stayed mast can freely move up and down in hole, the branch Bracer is integrated with shell and connect.

Preferably, the A terminals are arranged one end inside public chamber and are provided with arc shaped contact, and arc shaped contact can protect Demonstrate,proving contact, just face is smooth, reduces the frictional force that sundries dust is contacted with arc shaped contact, and the B terminals are arranged the one of public chamber It is socketed with plastic plate with B terminals on end, the hemispherical contact with B terminal integrally connecteds, hemispherical are provided on the plastic plate Contact ensure contact surface it is smooth, clean, it is described be respectively provided at the first cavity, the second cavity, third containment portion public terminal, A terminals, B terminals one end on be provided with hole for wiring, described hole shape or be round or be U-shaped, it is described public Terminal, A terminals, B terminals thickness be 2 millimeters to 6 millimeters, material is metal.

Preferably, the spring tension device includes that reeded set casing, fixed pin, tension spring is arranged in top, The set casing is provided with the fixed pin for fixing set casing on the outer wall of B terminal ends, and the fixed pin is perpendicular to solid Any one end for determining shell is arranged on set casing, and the other end is arranged on the inner wall of the housing, and the tension spring is arranged in fixation Any one end of the inside of shell, tension spring is connected with plastic plate, and the other end is fixed on stayed mast, and microswitch is not by any In the state of external force, stayed mast is connected by the pulling force of tension spring with B terminals, and the connection sheet is located at contact across set casing Lower end and and contact.

Preferably, the press rods include casing, conducting rod, contact, and described sleeve pipe any one end is socketed conducting rod, another End is connect with drive rod, hole is arranged in the connection sheet, hole size is only limitted to moving up and down for conducting rod, and conducting rod leans on One end of nearly A terminals is provided with hemispheric contact, keeps conducting rod contact end surfaces clean, smooth, the contact material is gold Belong to.

Preferably, it includes return spring, feeler that the spring, which returns power apparatus, and the return spring is arranged in connection sheet and A Between terminal, return spring any one end is connected with connection sheet, and the other end is connected with hemispherical contact, in microswitch not by outer Return spring is applied with pulling force to conducting rod under the action of power, and the feeler material is metal.

Preferably, the stayed mast is made of insulated column and connecting rod, conducting block, and the insulated column is set close to driving rod end It is equipped with for the through-hole with drive rod clasp joint, the insulated column is socketed with connecting rod, and the connecting rod is provided with close to B terminal ends Conducting block, the block-shaped conduction is hemispherical, ensures contact point smooth surface, clean, the connecting rod material is metal.

Preferably, the one end of the drive rod far from stayed mast is provided with idler wheel, the idler wheel towards on the outside of microswitch, Idler wheel both sides be provided with for fixed idler whell and with the card of drive rod integrally connected, be provided with the rolling to connect with idler wheel on card Axis, drive rod material are metal.

The utility model compared with prior art, has the following advantages and advantageous effect：

（1）A kind of microswitch of force-applied deformation of the utility model is provided between B terminals and public terminal are connected Spring tension device, in microswitch stress check calculation spring tension device all can butt contact apply pulling force, enhancing fine motion open Internal resilience is closed, microswitch stability is improved.

（2）A kind of microswitch of force-applied deformation of the utility model, is provided in A terminals and public terminal connecting portion Spring returns power apparatus, and press rods, which are under pressure, connect A terminals with public terminal, and spring returns power apparatus and applies reversely to press rods Pulling force, after press rods do not stress, press rods are returned the pulling force of power apparatus by spring, quickly connect A terminals with public terminal It disconnects, increases the elastic force of microswitch recovery, prevent inner elastic member failure from leading to malfunctioning switch, between so that fine motion is opened Conversion is more firm.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model

Fig. 2 is the shell mechanism schematic diagram of the utility model

Fig. 3 is the structural schematic diagram of the spring tension device and spring time power apparatus of the utility model

Wherein 1- idler wheels, 2- cards, 3- drive rods, 4- press rods, 5- supporting blocks, 6- stayed masts, 7- set casings, 8- are fixed Pin, 9- plastic plates, 10- shells, 11- cuttings, 12-B terminals, 13-A terminals, 14- public terminals, 15- conducting rods, 16- feelers, 17- return springs, 18- hemisphericals contact, 19- tension springs, 20- conducting blocks, the first cavitys of 101-, the second cavitys of 102-, 103- third cavitys, 104- public chambers, 105-U type grooves, 401- casings, 601- insulated columns, 602- pins, 1401- connection sheets.

Specific implementation mode

The utility model is described in further detail with reference to the preferred embodiment of the utility model, but this practicality Novel embodiment is without being limited thereto.

Embodiment 1：

In conjunction with shown in attached drawing 1, attached drawing 2, attached drawing 3, a kind of microswitch of force-applied deformation of the utility model,

Including " E " font shell 10, shell 10 is by the first cavity 101, the second cavity 102, third cavity 103, common cavity Body 104 forms, and the first cavity 101, the second cavity 102, third cavity 103 are vertical with public chamber 104 respectively, the first cavity 101, the second cavity 102, third cavity 103, be respectively arranged with public terminal 14, A terminals 13, B terminals 12 in public chamber 104 With connection sheet 1401, first cavity 101 (), the second cavity 102,103 internal vertical of third cavity are in public chamber 104 The inner walls of two opposition be provided with the cutting 11 for fixing terminal, one end that public terminal 14 is provided with through-hole is arranged in shell Outside body 10, the other end cavity 101 and 1401 integrally connected of connection sheet that is arranged in public chamber 104 through first；The A One end that terminal 13 is provided with through-hole is arranged outside shell 10, and the other end is arranged through the second cavity 102 in public chamber 104 It is interior；One end that the B terminals 12 are provided with through-hole is arranged outside shell 10, and the other end is arranged through third cavity 103 in public affairs Altogether in cavity 104.Drive rod 3 is provided on shell 10 with the exposed opposite side of terminal, in the public chamber 104 and B The opposition of terminal 12 is provided with stayed mast 6, and stayed mast 6 is made of insulated column 601 and pin 602,601 any one end of insulated column and drawing Power bar 6 is socketed, and 601 other end of insulated column is equipped with hole, hole and 3 clasp joint of drive rod, and tension spring is provided on stayed mast 6 19,19 any one end of the tension spring is connected with stayed mast 6, and the other end is connected with B terminals 12, is set on the stayed mast 6 It is equipped with pin 602, pin 602 is contacted with connection sheet 1401, and under the action of microswitch is not by external force, stayed mast 6 is drawn The pulling force of power spring 19 is connected with B terminals 12, and pin 602 is connected with connection sheet 1401, and B terminals 12 are connected with public terminal 14； It is provided with press rods 4 in the public chamber 104 with the opposite of A terminals 13, press rods 4 are by 15 groups of casing 401, conducting rod At described sleeve pipe 401 is connect through shell 10 with drive rod 3, and conducting rod 15 runs through connection sheet 1401, and conducting rod 15 is close to the ends A It is equipped with hemispherical contact 18 at the endpoint of son 13, is arranged on the conducting rod 15 between A terminals 13 and connection sheet 1401 resilient Spring 17,17 any one end of the return spring are connected with connection sheet 1401, the other end and 15 phase of conducting rod close to A terminals 13 Even, feeler 16 is fixed on the conducting rod 15, feeler 16 is arranged between connection sheet 1401 and casing 401, the feeler 16 With at a distance from connection sheet 1401 be equal to the distance between hemispherical contact 18 and A terminals 13, do not made by external force in microswitch Under, feeler 16 is not connected to connection sheet 1401, and contact is not connected to A terminals 13, the shell between press rods 4 and stayed mast 6 Supporting block 5 is provided on body 10, when the one end of drive rod 3 far from stayed mast 6 is squeezed by external force, stayed mast 6 is in supporting block 5 Under the action of be driven pulling force of the bar 3 far from shell 10, the pin 602 and conducting block 20 on stayed mast 6 respectively simultaneously with even Contact pin 1401 and B terminals 12 disconnect, to which B terminals 12 are disconnected with public terminal 14, the tension spring on stayed mast 6 at this time 19 pairs of stayed masts 6 are applied with pulling force；The press rods 4 are driven the pressure of bar 3 under the action of supporting block 5, in press rods 4 Feeler 16 and hemispherical contact 18 be under pressure and contacting respectively while with connection sheet 1401 and A terminals 13, A terminals 13 with it is public Terminal 14 is connected to, and the return spring 17 being arranged in press rods 4 at this time is applied with pulling force to press rods 4.

In order to enhance microswitch internal resilience, microswitch stability is improved, prevents inner elastic member failure from causing Malfunctioning switch, the conversion between making fine motion open is more firm, a kind of force-applied shape microswitch of the utility model, mainly by shell 10, drive rod 3, public terminal 14, A terminals 13, B terminals 12, connection sheet 1401, stayed mast 6, press rods 4, supporting block 5, pulling force Spring 19, return spring 17, pin 602, feeler 16 form, and main realization principle is that the shell 10 is E fonts, inside points For the first cavity 101, the second cavity 102, third cavity 103, public chamber 104, the public terminal 14 is provided with through-hole One end is arranged outside shell 10, the connection sheet 1,401 1 that the other end cavity 101 and be arranged in public chamber 104 through first Body connects；One end that the A terminals 13 are provided with through-hole is arranged outside shell 10, and the other end is arranged through the second cavity 102 In public chamber 104；One end that the B terminals 12 are provided with through-hole is arranged outside shell 10, and the other end runs through third chamber Body 103 is arranged in public chamber 104.The exposed opposite side of terminal is provided with drive rod 3 on shell 10, B terminals 12 Opposite end is provided with stayed mast 6, and pin 602 is provided on stayed mast 6, and pin 602 is contacted with connection sheet 1401, stayed mast 6 one End is connected with drive rod 3, and 6 other end of stayed mast is connected with B terminals 12；The opposite end of A terminals 13 is provided with press rods 4, pressure Bar 4 is provided with feeler 16 in connection sheet 1401 close to the side of shell 10, and press rods 4 are between A terminals 13 and connection sheet 1401 It is provided with return spring 17,17 any one end of return spring is connected with connection sheet 1401, the other end and the pressure close to A terminals 13 4 endpoint of bar is connected, and the distance between feeler 16 and connection sheet 1401 are equal to 4 endpoint of press rods and A terminals 13 close to A terminals 13 Distance between endpoint in public chamber 104 is set, branch is provided on the shell 10 between press rods 4 and stayed mast 6 Bracer 5, when the one end of drive rod 3 far from stayed mast 6 is squeezed by external force, stayed mast 6 is driven under the action of supporting block 5 The power that lever 3 is pulled outwardly, the pin 602 and conducting block 20 on stayed mast 6 are disconnected with connection sheet 1401 and B terminals 12 simultaneously respectively It opens, to which B terminals 12 are disconnected with public terminal 14, the tension spring 19 on stayed mast 6 is applied with drawing to stayed mast 6 at this time Power；The press rods 4 are driven the pressure of bar 3 under the action of supporting block 5, and the feeler 16 and hemispherical in press rods 4 touch Point 18 is under pressure respectively while being contacted with connection sheet 1401 and A terminals 13, and A terminals 13 are connected to public terminal 14, are pressed at this time The return spring 17 being arranged on power bar 4 is applied with pulling force to press rods 4.

The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within Within the scope of protection of the utility model.

Claims

1. a kind of microswitch of force-applied deformation, which is characterized in that the shell including being internally provided with cavity（10）, the shell （10）Including the first cavity（101）, the second cavity（102）, third cavity（103）, public chamber（104）, first cavity （101）, the second cavity（102）, third cavity（103）Perpendicular to public chamber（104）；

First cavity（101）It is internally provided with public terminal（14）；

Second cavity（102）It is internally provided with perpendicular to public chamber（104）A terminals（13）, the A terminals（13）Appoint One end setting anticipate in the second cavity（102）Outside, the other end be arranged in public chamber（104）It is internal；

The third cavity（103）It is internally provided with B terminals（12）, the B terminals（12）Any one end is perpendicular to public chamber （104）It is arranged in third cavity（103）Outside, the other end be arranged in public chamber（104）Inside, the public chamber （104）It is provided with connection sheet（1401）, the connection sheet（1401）With public terminal（14）Integrally connected；

The public chamber（104）Internal and B terminals（12）Opposition is provided with stayed mast（6）, the stayed mast（6）On be provided with Spring tension device, stayed mast（6) side of connection sheet (1401) is provided with pin（602）, spring under normal condition Formula tension device is by stayed mast（6）It is arranged in public chamber with any one end（104）Interior B terminals (12) are connected, pin （602）With connection sheet（1401）It is connected, with the shell（10）Outside dew has the opposite of A terminals (13) side to be provided with driving Bar（3）, the stayed mast（6）Across shell（10）With drive rod（3）Clasp joint；

The public chamber（104）Internal and A terminals（13）Opposition is provided with press rods, and the press rods are close to A terminals（13） End is connected with spring and returns power apparatus, the stayed mast（6）The other end passes through shell（10）With drive rod（3）It is connected, spring Hui Li The device other end and public chamber（104）Internal connection sheet（1401）It is connected, works as drive rod（3）When stress is pressed downward, pressure Bar is to shell（10）Internal compression returns power apparatus and connection sheet by spring（1401）With A terminals（13）It is connected, in shell（10） It is provided with the side press rods and stayed mast of drive rod（6）Between be provided with supporting block（5）, in the supporting block（5）Effect Lower pulling force bar（6）Under tension is by pin（602）With connection sheet（1401）Separation, stayed mast（6）With B terminals（12）Separation.

2. a kind of microswitch of force-applied deformation according to claim 1, which is characterized in that first cavity (101), the second cavity（102）, third cavity（103）Internal vertical is in public chamber（104）Two opposition inner walls setting It is useful for the cutting of fixing terminal（11）, the first cavity (101), the second cavity（102）, third cavity（103）With public chamber （104）Between be provided with partition board, the cutting of described two opposites（11）Between gap and the terminal that is provided at its inner portion it is thick Spend equal, the first cavity (101), the second cavity（102）, third cavity（103）Outer wall is provided with chamfering.

3. a kind of microswitch of force-applied deformation according to claim 2, which is characterized in that the shell（10）Upper One cavity (101) and the second cavity（102）Between and the second cavity（102）With third cavity（103）Between be provided with for solid Determine the U-type groove of microswitch（105）, the shell（10）Above and it is provided with A terminals（13）There are two the opposite settings of side Hole, close to third cavity（103）The size of hole be only limitted to across press rods, and press rods can be in hole freely It moves up and down, close to the second cavity（102）Hole size be only limitted to pass through stayed mast（6）, and stayed mast（6）It can be in hole It is interior freely to move up and down, the supporting block（5）With shell（10）It is integrated connection.

4. a kind of microswitch of force-applied deformation according to claim 3, which is characterized in that the A terminals（13）If It sets in public chamber（104）Internal one end is provided with arc shaped contact, the B terminals（12）It is arranged in public chamber（104）'s Plastics cage plate is provided on one end（9）, plastics cage plate（9）With B terminals（12）Socket, the plastics cage plate（9）On be provided with and B Terminal（12）The hemispherical contact of integrally connected, it is described to be located at the first cavity（101）, the second cavity（102）, third cavity （103）External public terminal（14）, A terminals（13）, B terminals（12）One end on be provided with hole for wiring, it is described Void shape is round or is U-shaped, the public terminal（14）, A terminals（13）, B terminals（12）Thickness be 2 millimeters to 6 Millimeter.

5. a kind of microswitch of force-applied deformation according to claim 4, which is characterized in that the spring tenses dress It sets and reeded set casing is set including top（7）, fixed pin（8）, tension spring（19）, the set casing（7）Close to B terminals （12）It is provided on the outer wall at end for fixing set casing（7）Fixed pin（8）, the fixed pin（8）Perpendicular to set casing（7） Any one end is arranged in set casing（7）On, the other end is arranged in shell（10）Inner wall on, the tension spring（19）Setting exists Set casing（7）Inside, tension spring（19）Any one end and plastics cage plate（9）It is connected, the other end is fixed on stayed mast（6） On, microswitch is not in the state of by any external force, tension spring（19）Pulling force by stayed mast（6）With B terminals（12）It is connected, The connection sheet（1401）Across set casing（7）Positioned at contact（18）Lower end.

6. a kind of microswitch of force-applied deformation according to claim 5, which is characterized in that the press rods include set Pipe（401）, conducting rod（15）, contact（18）, described sleeve pipe（401）Any one end is socketed conducting rod（15）, the other end with driving Bar（3）Connection, the connection sheet（1401）Upper setting hole, hole size are only limitted to conducting rod（15）Move up and down, lead Electric pole（15）Close to A terminals（13）One end be provided with hemispherical contact（18）.

7. a kind of microswitch of force-applied deformation according to claim 6, which is characterized in that the spring returns power apparatus Including return spring（17）, feeler（16）, the return spring setting is in connection sheet（1401）With A terminals（13）Between, Hui Li Spring（17）Any one end is connected with connection sheet, the other end and hemispherical contact（18）It is connected.

8. a kind of microswitch of force-applied deformation according to claim 7, which is characterized in that the stayed mast（6）By Insulated column（601）With connecting rod, conducting block（20）Composition, the insulated column is close to drive rod（3）End be provided with for driving Bar（3）The through-hole of clasp joint, the insulated column（601）It is socketed with connecting rod, the connecting rod is close to B terminals（12）End, which is provided with, leads Electric block（20）.

9. a kind of microswitch of force-applied deformation according to claim 8, which is characterized in that the drive rod（3）Far From stayed mast（6）One end be provided with idler wheel（1）, the idler wheel（1）On the outside of towards microswitch, idler wheel（1）Both sides are provided with For fixed idler whell（1）And and drive rod（3）The card of integrally connected（2）, card（2）On be provided with the rolling to connect with idler wheel Axis.