CN2583791Y - Press switch structure - Google Patents

Abstract

The utility model relates to a press switch structure, which mainly comprises a key, a switch main body, a position linkage device and an elastic contact plate, wherein, the key is movably sheathed above the switch main body, a positioning rod is assembled between the key and the switch main body, and one end of the positioning rod is formed with a convex rod. The side surface between the key and the switch main body is concavely provided with an annular ladder access, the annular ladder access is convexly provided with an inclined lug, and the position linkage device is composed of a positioning plate which is connected with a linkage plate. The positioning plate is provided with an opening, the positioning plate is assembled beside the opening of the annular ladder access and can swing from left to right according to the opening of the annular ladder access. One end of the linkage plate is connected with a movable end of the elastic contact plate, and a convex rod end of the positioning rod penetrates through the opening of the positioning plate of the position linkage device and extends into the annular ladder access. When working, the key can be pressed so as to cause the positioning rod to simultaneously act, and the positioning rod is mutually linked with the annular ladder access and the position linkage device so as to form a circulation position relationship.

Description

The push switch structure

Technical field

The utility model relates to a kind of push switch structure.

Background technology

Its operation of general mains switch is main to be energising and to close two kinds of actuating travels, for the interlock of effectively carrying out the switch intraware really moves, simplifies switch module to reduce cost of manufacture, the lasting research of construction of switch improves the important common issue that becomes the manufacturer.

Case is too numerous to enumerate before the patent of construction of switch, as United States Patent (USP) the 4th, 167, and No. 720, the 4th, 937, No. 548, the 5th, 223, No. 813, the 5th, 451, No. 729, the 5th, 558, No. 211 ... etc. too numerous to enumerate, but case all has common shortcoming before the patent such as all, promptly is:

(1) assembly of interlock is various, and the stroke complexity of interlock produces the non real-time start relation between button and terminal assembly, has also improved manufacturing cost.

(2) the start relation is uncertain, increases the fault chance, is unfavorable for selecting for use of consumer.

(3) directly or indirectly oppress elastic contact chip with button (button) and form energising or outage, the strain of expanding with heat and contract with cold that elastic contact chip bends repeatedly and bears current path simultaneously and caused, cause loose contact or fracture to lose easily, reduce the energising quality, shorten useful life.

As shown in the figure, it is the three-dimensional exploded view of case key switch before commonly using, its button 601 belows of case were provided with a ring-type ladder access 602 before this was commonly used, the central authorities of ring-type ladder access 602 are provided with a v font lug boss 603, the upper end of a positioning rod 604 is plugged in the perforation 607 of shell body 606, the lower end nose bar 605 of backstay 604 stretches in the ring-type ladder access 602, by a compression spring 608 elasticity ejection buttons 601, makes the nose bar 605 of backstay 604 positively be resisted against 602 of ring-type ladder accesses; When pressing keys 601 repeatedly, the nose bar 605 of backstay 604 lower ends is held in the bottom (b point) of the recess (a point) or the ring-type ladder access 602 of v font lug boss 603, forms a kind of key switch of the location of circulating; Yet, the elastic force that this spring 608 is provided, may be because elastic force be tired after using a period of time, the press-key structure of this kind ring-type ladder access 602 location, when the elastic force of spring 608 was not enough, the butt that the nose bar 605 and the ring-type ladder access of its backstay 604 is 602 was uncertain, when the nose bar 605 of backstay 604 arrives ring-type ladder access 602 tops, may form and depart from and escape, and can't detain really and hold the recess (a point) that is positioned v font lug boss 603, form the idle running of button 1 escape; Simultaneously, the elastic force of this spring 608 is tired, can't effectively conducting strip 609 and contact 610 thereof be promoted it is contacted with the contact 612 of pin 611, causes the bad situation of contact conduction.

Again with reference to shown in the figure 2,3,4, be the United States Patent (USP) the 5th of commonly using case two, 223, the structure that is disclosed for No. 813, after its button press, the connecting rod of elder generation interlock button below swings up and down assembly via what connecting rod linked, compresses or the elastic contact chip that loosens its below makes contact under its upper contact contact or the escape and conducting or cut off circuit again; It is the mode that compresses or discharge elastic contact chip with the indirect interlock of button, should there be the problem of manipulating under the desirable state, yet, the complicated cost of manufacture of its assembly distinct disadvantage higher, that increase operating trouble, interlock stroke delay of response and elastic contact chip potential break or elastic fatigue still exists, become manufacturing and user's common issue with, so remain further to be improved again.

Summary of the invention

Main purpose of the present utility model is to form easy structure by backstay, ring-type ladder access, location linkage and elastic contact chip, and is direct with the continuous action relation that reaches assembly, can improve the accuracy of start, the concrete effect of minimizing operate miss.

A purpose more of the present utility model is that overall package is easy, reduces manufacturing cost.

Extension purpose of the present utility model is to prolong useful life of construction of switch, reduces consumption user's expenditure.

The utility model is a kind of push switch structure, and it consists predominantly of a button, a Switch main body, a location linkage, an elastic contact chip; Wherein, this button pivot bush unit is in the top of Switch main body, make up a positioning rod between button and Switch main body, one end of backstay forms a nose bar, side between this button and Switch main body is concaved with a ring-type ladder access, be convexly equipped with an oblique lug in this ring-type ladder access, this location linkage is to be linked by a spacer double-action plate is set, this spacer is offered a perforate, spacer is combined in the opening side of ring-type ladder access and can swings with respect to ring-type ladder access opening, this double-action plate one end connects the movable end that is combined in elastic contact chip, the stud end of backstay is passed the location linkage spacer perforate and stretch in the ring-type ladder access.That is to say a kind of push switch structure of the present utility model, it consists predominantly of a button, a Switch main body, a location linkage, an elastic contact chip; It is characterized in that, this button pivot bush unit is in the top of Switch main body, button slides up and down with respect to Switch main body, at least one elastic component of combination between button and Switch main body, make the relative Switch main body of button have elastic force upwards, a positioning rod activity is combined between button and the Switch main body, and below one end of backstay forms a nose bar, and this nose bar bending is pointed in the ring-type ladder access; This Switch main body, its socket aforementioned keys is provided with a ring-type ladder access between Switch main body and the button, be convexly equipped with an oblique lug in this ring-type ladder access; The bottom surface group of Switch main body is established at least two contact terminals; This locatees linkage, is the opening side that is combined in the ring-type ladder access, can swing with respect to ring-type ladder access opening, and an end of location linkage connects the movable end that is combined in elastic contact chip; This elastic contact chip is provided with a contact, can beat to the two side faces of lamellar body, and distortion was back-flexing when it was heated; The stud end of backstay is passed the location linkage and stretch in the ring-type ladder access; By pressing keys, make the synchronous start of backstay, backstay and ring-type ladder access and the location mutual interlock of linkage form the circulation positioning relation, and being beated by location linkage push-and-pull elastic contact chip forms switch energising (ON) or outage (OFF).

During enforcement, pressing keys makes the synchronous start of backstay, and backstay and ring-type ladder access and the location mutual interlock of linkage form the circulation positioning relation, and being beated by location linkage push-and-pull elastic contact chip forms switch energising (ON) or outage (OFF) again; During current overload, elastic contact chip temperature distortion back-flexing spring, contact in the elastic contact chip is separated with another contact, form circuit loop outage (OFF) state, simultaneously, the movable end of elastic contact chip drives the location linkage, make the oblique lug upper end of ring-type ladder access form an opening, backstay loses the stopping of spacer of location linkage, elastic component by button inside, button is popped up, form the upwards state that re-uses of the general outage (OFF) of (outwards) location of button.

Description of drawings

Fig. 1 is a three-dimensional exploded view of commonly using case one;

Fig. 2 is a three-dimensional exploded view of commonly using case two;

Fig. 3 is a cutaway view of commonly using case two, and it shows the situation of outage (OFF);

Fig. 4 is a cutaway view of commonly using case two, and it shows the situation of energising (ON);

Fig. 5 is the exploded perspective view of the utility model embodiment;

Fig. 6 is the three-dimensional view of the Switch main body of the utility model embodiment;

Fig. 7 is the assembled sectional view of the utility model embodiment, and it shows the situation of the outage (OFF) of the utility model embodiment;

Fig. 8 is the assembled sectional view of the utility model embodiment, and it shows the interlock state that the utility model embodiment is pushed by outage (OFF) state;

Fig. 9 is the assembled sectional view of the utility model embodiment, and it shows the situation of the energising (ON) of the utility model embodiment;

Figure 10 is the assembled sectional view of the utility model embodiment, and it shows the utility model embodiment by energising (ON) situation pressing keys on earth, and the stud end of backstay breaks away from the restriction of spacer, is the interlock state that can upwards jump out of;

Figure 11 is the assembled sectional view of the utility model embodiment, it shows that the utility model embodiment is when energising (ON) situation current overload, elastic contact chip back-flexing escape, drive the spacer rotation displacement, make the restriction of the stud end disengaging spacer of backstay, be the interlock state that can upwards jump out of.Among the figure

1 button

112 clasps

12 elastic components (compression spring)

13 columns

14 combined holes

15 backstays

151 perforation

152 nose bars

16 bolts

17 elastic components (compression spring)

2 Switch main bodies

21 button holes

22 ring-type ladder accesses

23 oblique lugs

24 combination bore

25 first contact terminals

251 projections

26 second contact terminals

261 contact hole

262 second contacts

3 location linkages

30 bolts

31 spacers

311 perforates

312 combined holes

313 perforation

32 double-action plates

321 nose bars

322 clip slots

4 elastic contact chips

41 legs

410 perforation

42 shell fragments

421 contact hole

422 first contacts

43 lugs

601 buttons

602 ring-type ladder accesses

603 lug bosses

604 backstays

605 nose bars

606 shell bodies

607 perforation

608 compression springs

609 conducting strips

610 contacts

611 pins

612 contacts

Embodiment

For disclosing the purpose of this utility model, feature and effect in detail, now by following preferable specific embodiment, conjunction with figs. is described in detail as the back the utility model:

Shown in Fig. 5-7, be exploded perspective view, Switch main body three-dimensional view, the assembled sectional view of the utility model embodiment; A kind of push switch structure of the present utility model, it consists predominantly of a button 1, a Switch main body 2, a location linkage 3, an elastic contact chip 4; Wherein, this button 1 is to being arranged with at least one clasp 11, corresponding button is organized at least one button hole 21 in Switch main body 2, button 1 inner at least one elastic component 12 of combination, at present embodiment is to be a compression spring, button 1 pivot bush unit makes button 1 have the elastic force that outwards (makes progress) in the top of Switch main body 2; The medial surface of button 1 is provided with a column 13, column 13 is provided with a combined hole 14, these column 13 combination a positioning rod 15, this backstay 15, its upper end is provided with a perforation 151, below one end of backstay 15 forms a nose bar 152, the ring-type ladder access 22 of these nose bar 152 bendings in Switch main body 2, pass an elastic component 17 with a bolt 16, the perforation 151 of backstay 15, integrated positioning bar 15 is in the column 13 of button 1, making backstay 15 151 is axle center and with respect to button 1 swing to bore a hole, and this elastic component 17 is negative to give elastic force that backstay 15 1 points to ring-type ladder accesses 22 directions; At this elastic component 17 of the utility model embodiment is a compression spring.

This Switch main body 2, it is a hollow shell, its top is provided with at least one the clasp 11 of at least one button hole 21 corresponding to button 1, the medial surface of Switch main body 2 is concaved with a polygonal ring-type ladder access 22, be convexly equipped with an oblique lug 23 in this ring-type ladder access 22, the following side of ring-type ladder access 22 is provided with a combination bore 24; The bottom surface group of Switch main body 2 is established at least two contact terminals, be two contact terminals in the present embodiment, be respectively first, second contact terminal 25,26, first contact terminal, 25 top kinks are provided with two projections 251, there is a contact hole 261 second contact terminal, 26 tops, and it is combined with one second contact 262.

This locatees linkage 3, it is provided with a double-action plate 32 by a spacer 31 bindings and forms, wherein, this spacer 31 is a plate body, it offers a perforate 311, this perforate 311 slightly becomes the irregular of ㄑ shape, the bottom righthand side recess of perforate 311 is the A point, the upper end recess of perforate 311 is the B point, the downside of perforate 311 is provided with combined hole 312, and side is provided with a perforation 313, and the combined hole 312 that passes spacer 31 with a bolt 30 is combined in the combination bore 24 of 22 times sides of ring-type ladder access of Switch main body 2, and spacer 31 is the axle center with combined hole 312, can swing with respect to the ring-type ladder access 22 of Switch main body 2;

This double-action plate 32, its top is horizontally set with a nose bar 321, the lower end is provided with a clip slot 322, this clip slot 322 is the lug 43 of clamping elastic contact chip 4 movable ends versatilely, the nose bar 321 activity embedding groups of double-action plate 32 tops make double-action plate 32 and spacer 31 produce direct continuous action relation in the perforation 313 of spacer 31 sides;

This elastic contact chip 4 is provided with a contact, can beat to the two side faces of lamellar body, and its lamellar body forms the Thin Elastic lamellar body of little curved arc shape, and distortion is back-flexing spring when being heated, and this elastic contact chip 4 also can be the composition metal thin slice, when being heated to a side bending; In the present embodiment, the both sides of elastic contact chip 4 form leg 41, the centre is a shell fragment 42, integral body slightly becomes the E font, the open end of this both sides leg 41 is provided with perforation 410 respectively, the spacing of two perforation 410 is slightly larger than the spacing of two projections 351 in first contact terminal, 35 tops, two legs 41 are close to slightly, two projections 351 of first contact terminal, 35 tops are inserted in two perforation 410, make elastic contact chip 4 be a little the curved arc shape that arches upward, middle shell fragment 42 free ends and the curved arc of elastic contact chip are reverse, and the free end of shell fragment 42 is provided with a contact hole 421, and this contact hole 421 combination downwards has one first contact 422; The movable end of elastic contact chip 4 is established a lug 43, in the present embodiment, elastic contact chip 4 when being heated to the diastrophic pairing sheet metal of a side.

During combination, nose bar 152 ends of backstay 15 are passed location linkage 3 spacer 31 perforate 311 and stretch in the ring-type ladder access 22 of Switch main body 2.

During enforcement, with reference to figure 7-10, when switch is positioned at general outage (OFF) state, as shown in Figure 7, user's pressing keys 1, button 1 downward interlock backstay 15 is downward, nose bar 152 ends of backstay 15 in ring-type ladder access 22 along the upper side of oblique lug 23, move the below left, be displaced to the downside of oblique lug 23 along ring-type ladder access 22 with counter-clockwise direction, nose bar 152 contacts of this backstay 15 promote the perforate 311 of spacer 31, the spacer 31 of location linkage 3 is turned left, as shown in Figure 8, the perforate 311 bottom right recesses (A point) of spacer 31 slightly become the side, oblique lug 23 lower-left in horizontal and the ring-type ladder access 22 to link jointly, decontrol bottom right recess (A point) location that slides to spacer 31 on the side, oblique lug 23 lower-left of nose bar 152 in ring-type ladder access 22 that button 1 makes backstay 15, form backstay 15 state of location downwards, as shown in Figure 9, when backstay 15 is located downwards, spacer 31 is by the push-jump interlock of nose bar 152 ends, this spacer 31 is axle center turn left (counterclockwise) with combined hole 312, perforation 313 positions of spacer 31 are the top displacement relatively left, the double-action plate 32 of location linkage 3 is made progress by interlock, the lug 43 of clip slot 322 clamping elastic contact chips 4 movable ends of double-action plate 32 bottoms upwards, make the oppositely spring downwards of shell fragment 42 in the elastic contact chip 4, shell fragment 42 free-ended first contacts 422 contact with second contact 262 downwards, form circuit loop energising (ON) state.

When switch is positioned at energising (ON) state, as shown in Figure 9, user's pressing keys 1, button 1 downward interlock backstay 15 is downward, the side is mobile slightly to left down in ring-type ladder access 22 for nose bar 152 ends of backstay 15, the A point of spacer 31 perforates 311 of the nose bar 152 promotion location linkages 3 of this backstay 15 to the right, spacer 31 is turned right, perforate 311 bottom righthand side recesses (A point) inside edge of spacer 31 from originally slightly horizontal rotate into more subvertical skewed, form an opening with oblique lug 23 upper ends in the ring-type ladder access 22, as shown in figure 10, at this moment, nose bar 152 ends of backstay 15 lose stopping of spacer 31 perforates, 311 bottom righthand side recesses (A point) inner side edge, elastic component 13 (compression spring) elastic stretch by button 1 inside, button 1 and backstay 15 are popped up, nose bar 152 ends of backstay 15 along ring-type ladder access 22 upwards, the restriction that is subjected to spacer 31 perforates 311 again arrives upper end recess (B point), make nose bar 152 ends of backstay 15 in ring-type ladder access 22, be displaced to the upper left side of oblique lug 23, form the upwards state of location of backstay 15 and button 1, as shown in Figure 7; From Fig. 9, Figure 10 is in the process of Fig. 7, when backstay 15 little when move the lower right, nose bar 152 promotes the bottom right recess (A point) of perforate 311, the spacer 31 of location linkage 3 is axle center turn right (clockwise rotating) with combined hole 312, perforation 313 positions of spacer 31 are relatively to the lower right displacement, make double-action plate 32 downward by interlock, the lug 43 of clip slot 322 clamping elastic contact chips 4 movable ends of double-action plate 32 bottoms is downward, make the oppositely upwards spring of shell fragment 42 in the elastic contact chip 4, shell fragment 42 free-ended first contacts 422 upwards separate with second contact 262, form circuit loop outage (OFF) state.

When under the state of circuit loop energising (ON), as shown in Figure 9, during current overload, elastic contact chip 4 temperature distortion back-flexings (being bent downwardly), the movable end of elastic contact chip 4 bounces downwards, make the oppositely upwards spring of shell fragment 42 in the elastic contact chip 4, shell fragment 42 free-ended first contacts 422 upwards separate with second contact 262, form circuit loop outage (OFF) state, simultaneously, the movable end of elastic contact chip 4 bounces downwards together with lug 43, lug 43 is downward, the double-action plate 32 that drives location linkage 3 is downward, the upper end interlock perforation 313 of double-action plate 32 is to the lower right displacement, making spacer 31 is axle center turn right (clockwise rotating) with combined hole 312, oblique lug 23 upper ends in the ring-type ladder access 22 form an opening, as shown in figure 11, at this moment, nose bar 152 ends of backstay 15 lose stopping of spacer 31 perforates, 311 bottom righthand side recesses (A point) inner side edge, elastic component 13 (compression spring) elastic stretch by button 1 inside, button 1 and backstay 15 are popped up, nose bar 152 ends of backstay 15 along ring-type ladder access 22 upwards, the restriction that is subjected to spacer 31 perforates 311 again arrives upper end recess (B point), make nose bar 152 ends of backstay 15 in ring-type ladder access 22, be displaced to the upper left side of oblique lug 23, form the upwards state of location of backstay 15 and button 1, as shown in Figure 7, reach current overload escape and button 1 are got back to general outage (OFF) together with backstay 15 escapes the state that re-uses.

From the above mentioned, the utility model by button 1 and backstay 15 synchronous starts up or down, backstay 15 forms the circulation positioning relation with the ring-type ladder access 22 of Switch main body 2 and the spacer 31 mutual interlocks of location linkage 3, beat by the double-action plate 32 push-and-pull elastic contact chips 4 of location linkage 3 again and form switch energising (ON) or outage (OFF), when current overload, effect with real-time outage (OFF) escape, make button 1 be positioned at the state that re-uses of general outage (OFF) simultaneously, assembly of the present utility model is formed simple and easy, the start relation directly, make operation really effectively, really the tool practical effect.

Below the utility model is done one and describe in detail, the above only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented.Be that all equalizations of doing according to the utility model application range change and modify etc., all should still belong in the patent covering scope of the present utility model.

Claims (13)

1. push switch structure, it consists predominantly of a button, a Switch main body, a location linkage, an elastic contact chip; It is characterized in that,

This button pivot bush unit is in the top of Switch main body, button slides up and down with respect to Switch main body, at least one elastic component of combination between button and Switch main body, make the relative Switch main body of button have elastic force upwards, a positioning rod activity is combined between button and the Switch main body, below one end of backstay forms a nose bar, and this nose bar bending is pointed in the ring-type ladder access;

This Switch main body, its socket aforementioned keys is provided with a ring-type ladder access between Switch main body and the button, be convexly equipped with an oblique lug in this ring-type ladder access; The bottom surface group of Switch main body is established at least two contact terminals;

This locatees linkage, is the opening side that is combined in the ring-type ladder access, can swing with respect to ring-type ladder access opening, and an end of location linkage connects the movable end that is combined in elastic contact chip;

This elastic contact chip is provided with a contact, can beat to the two side faces of lamellar body, and distortion was back-flexing when it was heated;

The stud end of backstay is passed the location linkage and stretch in the ring-type ladder access; By pressing keys, make the synchronous start of backstay, backstay and ring-type ladder access and the location mutual interlock of linkage form the circulation positioning relation, and being beated by location linkage push-and-pull elastic contact chip forms switch energising (ON) or outage (OFF).

2. push switch structure as claimed in claim 1 is characterized in that,

The movable combination of this button a positioning rod, this backstay can be swung with respect to button, and below one end of backstay forms a nose bar, and this nose bar bending is pointed in the set ring-type ladder access of Switch main body;

This Switch main body, its medial surface are concaved with a ring-type ladder access, are convexly equipped with an oblique lug in this ring-type ladder access;

This locatees linkage, be by spacer binding one double-action plate to be set to constitute, this spacer is offered a perforate, and spacer is combined in the opening side of ring-type ladder access, can swing with respect to ring-type ladder access opening, this double-action plate one end connects the movable end that is combined in elastic contact chip;

The stud end of backstay is passed the location linkage spacer perforate and stretch in the ring-type ladder access of Switch main body; During current overload, elastic contact chip temperature distortion back-flexing spring, the contact of elastic contact chip is separated with another contact, form circuit loop outage (OFF) state, simultaneously, the movable end of elastic contact chip drives the spacer swing of location linkage, make the oblique lug upper end of ring-type ladder access form an opening, the nose bar of backstay loses the stopping of spacer of location linkage, button is popped up outage (OFF) state that button becomes to re-use by at least one elastic component between button and Switch main body.

3. push switch structure as claimed in claim 1 is characterized in that at least one elastic component that makes up between this button and Switch main body is the compression spring.

4. push switch structure as claimed in claim 1 is characterized in that the upper end of this backstay is provided with a perforation; Pass the perforation of an elastic component, backstay and make up with a bolt, backstay is bored a hole to swinging in the axle center, this elastic component is negative to give the elastic force that backstay one points to the ring-type ladder access.

5. push switch structure as claimed in claim 4 is characterized in that this elastic component is a compression spring.

6. push switch structure as claimed in claim 1 is characterized in that this ring-type ladder access side is provided with a combination bore;

The spacer of this location linkage is a plate body, and this spacer is offered a perforate, and this perforate slightly becomes the irregular of ㄑ shape, and the downside lamellar body of perforate is provided with combined hole, and side is provided with a perforation;

Pass the combined hole of spacer of location linkage with a bolt, be combined in the combination bore of ring-type ladder access side, making spacer is the axle center with the combined hole, can swing with respect to the ring-type ladder access of Switch main body; By spacer swing, the oblique lug of the opening of spacer and ring-type ladder access forms closure or opening, make the stud end circulation of backstay be positioned the below or from clown who is skilled in martial arts on the ring-type ladder access.

7. push switch structure as claimed in claim 1 is characterized in that this elastic contact chip is the Thin Elastic lamellar body of little curved arc shape, and distortion was back-flexing when it was heated.

8. push switch structure as claimed in claim 1 is characterized in that this elastic contact chip is the composition metal thin slice, when being heated to a side bending.

9. push switch structure as claimed in claim 1 is characterized in that leg is established in the both sides of this elastic contact chip, this both sides leg slightly to the centre near and fixed combination in making elastic contact chip be little curved arc shape.

10. push switch structure as claimed in claim 1, it is characterized in that at least two contact terminals that this Switch main body bottom surface group is established, be two contact terminals, be respectively first, second contact terminal, the bending of first contact terminal top is provided with two projections, there is a contact hole second contact terminal top, and it is combined with one second contact;

This elastic contact chip, its both sides are leg, and the centre is a shell fragment, slightly becomes the E font, and the open end of this both sides leg is provided with perforation respectively, and the spacing of two perforation is slightly larger than the spacing of two projections in first contact terminal top;

Two projections of first contact terminal top are inserted in two perforation of both sides leg end portions, make elastic contact chip be a little the curved arc shape that arches upward, the middle shell fragment free end and the curved arc of elastic contact chip are reverse.

11. push switch structure as claimed in claim 10 is characterized in that the shell fragment free end in the middle of this elastic contact chip is provided with a contact hole, this contact hole combination has one first contact.

12. push switch structure as claimed in claim 1 is characterized in that the movable end of this elastic contact chip is established a lug.

13. push switch structure as claimed in claim 1, the top that it is characterized in that the double-action plate of this location linkage is horizontally set with a nose bar, the lower end of this double-action plate is provided with a clip slot, this clip slot is clamping elastic contact chip movable end versatilely, the nose bar activity embedding group of double-action plate top makes the direct interlock of double-action plate and spacer in the perforation of spacer side.

Images