CN220253096U

CN220253096U - Push switch

Info

Publication number: CN220253096U
Application number: CN202321646382.6U
Authority: CN
Inventors: 林锡埼
Original assignee: ZHUHAI WEIDA ELECTRONICS CO Ltd
Current assignee: ZHUHAI WEIDA ELECTRONICS CO Ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-26
Anticipated expiration: 2033-06-26

Abstract

The utility model provides a push switch, wherein a containing space is formed in a base of an insulating base body, a through hole longitudinally penetrates through the surface of a cover body, two terminal assemblies of two terminal bases are positioned in the insulating base body, a plurality of insulating columns which are vertical and are arranged front and back are respectively arranged on the terminal assemblies, a plurality of conductive terminals are arranged in the plurality of insulating columns, a plurality of butt joint parts which extend out of the insulating base body are respectively arranged at one side of the plurality of conductive terminals, two conductive elastic sheets which are clamped between the plurality of conductive terminals to form normal contact and are conducted at the side face are respectively arranged in the containing space, a base body of the push assembly is arranged in the containing space, a push body penetrating through the outside of the through hole is arranged at the top of the base body, a first connecting part is arranged on the base body, a second connecting part is arranged on a swinging part of the push assembly, a traction part is connected between the first connecting part and the second connecting part, and an elastic element is elastically propped between the base body and the base body.

Description

Push switch

Technical Field

The utility model relates to a push switch, in particular to a push switch, which is characterized in that two side surfaces of a first conductive terminal and a third conductive terminal on a two-terminal assembly are clamped by two side surfaces of a conductive elastic sheet respectively, and the two side surfaces of the first conductive terminal and the third conductive terminal are clamped and conducted by the side surfaces of the two contact sheets, and the two contact sheets on the first conductive terminal are instantly switched to the second conductive terminal along with the swinging of a swinging piece, so that electrical switching judgment is generated to enable the switch to be opened or closed, the condition that the electrical conduction is instantly broken due to the influence of up and down vibration when the switch is switched is avoided, and the purpose of improving the stability when the push switch is switched is achieved.

Background

In addition to the commonly used electronic components, the electronic and electric products are provided with a switch, which can switch on or off an electronic signal or a power supply by pressing or switching, so as to control the operations of the electronic and electric products, for example: the detection switch for opening and closing a push-type direction light, a headlight, a high beam or a trunk in the locomotive handle or the detection switch for an electric locomotive battery can be used for detecting the switch for a position detection switch, and even more particularly for a switch on a household appliance (such as a dust collector, an air conditioner, a washing machine or an electric tool) or can be used for detecting the tightness of an upper door of an automobile, a gear shifting swing rod, a trunk, an engine cover, a seat position, a safety belt, a door handle and the like.

Referring to fig. 8 and 9, which are respectively a perspective exploded view and another perspective exploded view of the conventional push switch, the conventional push switch mainly includes a switch A1 including an insulating housing a11 and a terminal a12 assembled at the bottom side of the insulating housing a11, the insulating housing a11 has a receiving space a10 therein, the receiving space a10 is used for receiving a first conductive terminal a13, a second conductive terminal a14 and a supporting point terminal a15 assembled on the terminal housing a12, the supporting point terminal a15 is used for a switching element a16 to be positioned, an actuating member a17 with a top protruding from the top surface of the insulating housing a11 is disposed above the switching element a16, a swinging space a130 is provided between the first conductive terminal a13 and the second conductive terminal a14 for extending into the switching electrical property, and an electrical base B1 is combined with a conductive plate a plurality of conductive plates a13 and B electrically connected to the first conductive plate a 12B, and a plurality of conductive plates B are disposed on the conductive plates a plurality of conductive plates a13 and B12B are electrically connected to the conductive plates B12. However, in the above-mentioned conventional push switch structure, the switch component a16 performs the switch switching between the first conductive terminal a13 and the second conductive terminal a14, and in the process of upper and lower conduction, the switch component a16 is affected by the upper and lower vibration to generate an arc, so as to affect the initial contact conduction signal and even damage the contact, resulting in the situation of electrical conduction instant break, which causes the risk that the switch cannot be started immediately, that is, the key point of urgent research and improvement for those skilled in the industry is to be pursued.

Disclosure of Invention

Accordingly, in view of the above-mentioned problems and disadvantages, a main object of the present utility model is to provide a push switch.

The utility model provides a push switch, which is characterized by comprising an insulating base, two terminal bases, two conductive elastic sheets and a push assembly, wherein:

the insulating base comprises a base and a cover body, wherein a containing space is formed in the base, a positioning plate extending into the containing space is arranged at the bottom of the cover body, positioning grooves are concavely formed in two sides of the positioning plate, and a through hole longitudinally penetrates through one side of the surface of the cover body;

the two terminal bases are respectively provided with a terminal assembly positioned in the insulating base, a substrate is respectively arranged on the two terminal assemblies, a first insulating column and a second insulating column which are vertical and are arranged in front and back are respectively arranged on the top side of the substrate in a protruding mode, a first conductive terminal and a second conductive terminal which are arranged up and down are arranged in the first insulating column, a third conductive terminal is arranged in the second insulating column, and a first butt joint part, a second butt joint part and a third butt joint part which extend out of the insulating base are respectively arranged on one side of the first conductive terminal, one side of the second conductive terminal and one side of the third conductive terminal;

the two conductive elastic sheets are provided with a base part positioned in the accommodating space, two clamping parts which are symmetrical to each other are respectively bent and extended at two sides of the base part, and the two clamping parts are respectively provided with a contact sheet which is obliquely extended inwards and clamped on the first conductive terminal and the third conductive terminal of the two conductive terminals to form normal contact;

the pressing component comprises a pressing piece, a swinging piece, a traction piece and an elastic element, wherein the pressing piece is provided with a seat body positioned in the accommodating space, the top of the seat body is provided with a pressing body penetrating out of the through hole, one side of the seat body is convexly provided with a first connecting part, the swinging piece is provided with a base positioned in the accommodating space, one side of the base is provided with a second connecting part, two symmetrical wing plates are arranged on two sides of the base, one side of each wing plate facing the positioning plate is provided with a sliding part which is gradually and obliquely extended, one side of each sliding part is provided with a positioning end positioned in the positioning groove, the other side of each wing plate is provided with a positioning part assembled at the base part of the conductive elastic piece, the traction piece is connected between the first connecting part and the second connecting part, and the elastic element is elastically propped between the seat body and the base.

The push switch, wherein: the insulating seat is provided with an assembling groove for assembling a buffer sheet in a concave manner at the upper and lower sides of the front end of the base corresponding to the swinging piece, the buffer sheet is provided with a buffer part corresponding to the upper and lower sides of the base, one side of the buffer part facing the assembling groove is convexly provided with an assembling part extending into the assembling groove, and at least one side of the assembling part is convexly provided with a positioning block which is tightly pressed on the inner wall surface of the assembling groove to form interference positioning.

The push switch, wherein: the wing plates at two sides of the swinging piece are respectively provided with a movable opening which is sleeved on the second insulating column of the terminal assembly and the two contact pieces of the conductive elastic piece.

The push switch, wherein: two sides of the positioning plate are respectively provided with a guiding part, and the guiding parts are provided with two guiding inclined planes which are inclined inwards, gradually narrow and extend to form a staggered way.

The push switch, wherein: the bottom surface of the base of the insulating base body is provided with a plurality of openings for accommodating and positioning two substrates of the two terminal bases in a penetrating way, and the base is positioned on the bottom surface of the accommodating space and is convexly provided with positioning columns and a plurality of positioning convex columns which are arranged at intervals.

The push switch, wherein: a containing groove for containing the base parts of the two conductive elastic sheets is concavely arranged between the first insulating column and the second insulating column which are respectively arranged on the two substrates of the two terminal bases in a protruding mode.

The push switch, wherein: the two substrates of the two terminal bases are respectively provided with a plurality of limit protruding blocks which are clamped in the base of the insulating base body.

The push switch, wherein: the base part of the two conductive elastic sheets is provided with a pair of positioning holes and at least one jogging groove in a penetrating way, and the bottom side of the positioning part respectively arranged on the two wing plates of the swinging piece is provided with a convex column penetrating through the positioning holes for positioning and at least one jogging block jogged in the jogging groove for positioning.

The push switch, wherein: the bottom of the base of the pressing piece is provided with a groove for placing one end of the elastic element.

The push switch, wherein: the first linking part of the pressing piece is provided with a first linking hole, the second linking part is concavely provided with a linking groove, and two ends of the traction piece are respectively bent and extended with a hook part which is inserted into the first linking hole and is embedded in the linking groove.

The utility model presses the pressing body to press the elastic element to elastically compress and deform, so as to drive the swinging piece to swing, so that the two contact pieces on the first conductive terminal are quickly switched to the second conductive terminal to form an electric conduction snap-action structure, and then electric switching judgment is generated to turn on or off the switch.

The positioning ends on the two wing plates of the swinging piece are positioned in the positioning groove by the guidance of the two staggered guide inclined planes formed by the oblique narrowing extension in the guiding part, and when the pressing body is pressed to drive downward displacement, the positioning ends swing in the two guide inclined planes and do not slide out of the positioning groove, so that the pressing hand feeling of the pressing component when being pressed is improved by the swinging of the positioning ends, and the effect that a user can really feel the pressing switch is achieved.

Wherein, the position of the upper and lower both sides of the front end of the base of the swinging piece in the insulating base is respectively concavely provided with an assembly groove for assembling a buffer piece, the buffer piece is provided with a buffer part for the upper and lower both sides of the base to collide to form buffer so as to prevent noise generated by collision, one side of the buffer part facing the assembly groove is convexly provided with an assembly part extending into the assembly groove, and at least one side of the assembly part is convexly provided with a positioning block which is tightly pressed on the inner wall surface of the assembly groove to form interference positioning so as to lead the buffer piece to be difficult to loose and fall off.

Drawings

Fig. 1 is a perspective view of a push switch according to the present utility model.

Fig. 2 is an exploded perspective view of the push switch of the present utility model.

Fig. 3 is another perspective exploded view of the push switch of the present utility model.

Fig. 4 is a front side view (one) of the push switch of the present utility model.

Fig. 5 is a front side view (second) of the push switch of the present utility model.

Fig. 6 is a cross-sectional view (one) of the push switch of the present utility model from the rear side.

Fig. 7 is a cross-sectional view (two) of the push switch of the present utility model from the rear side.

Fig. 8 is an exploded perspective view of a prior art structure.

Fig. 9 is another perspective exploded view of the prior art structure.

Fig. 10 is a side cross-sectional view of another embodiment of the push switch of the present utility model.

Reference numerals illustrate: 1-an insulating base; 10-accommodating space; 11-a base; 110-opening; 111-positioning columns; 112-positioning the convex column; 12-a cover; 121-positioning plates; 1211-a guide; 1212-lead ramp; 1213-a positioning slot; 13-perforating; 14-an assembly groove; 15-buffer sheets; 151-a buffer portion; 152-an assembly; 1521-positioning blocks; 2-terminal blocks; a 21-terminal assembly; 210-a receiving groove; 211-a substrate; 2111-bump; 212-a first insulating column; 2121-a first conductive terminal; 2122-a second conductive terminal; 2123-first docking portion; 2124-a second docking portion; 213-second insulating columns; 2131-third conductive terminals; 2132-a third butt joint; 3-a conductive spring piece; 31-base; 310-aligning holes; 311-clamping part; 3111-contact pads; 312-a fitting groove; 4-a pressing assembly; 41-a pressing piece; 411-a base; 4111-groove; 412-a press body; 413-a first engagement portion; 4130-a first engagement hole; 42-swinging member; 421-base; 4210-lack groove; 422-a second engagement; 4220-a linking groove; 423-wing plates; 4230-active port; 4231-a sliding part; 4232—a locating end; 4233-a positioning portion; 4234-a post; 4235-a chimeric block; 43-traction member; 431-hook; 44-an elastic element; a1-a switch; a10-an accommodating space; a100-perforating; a11-an insulating base; a12-terminal seat; a13-a first conductive terminal; a130-wobble space; a14-a second conductive terminal; a15-fulcrum terminal; a16—a switching component; a17-an actuator; b1-an electrical base; b11-a circuit board; b12-an electrical guide plate; b13-wire.

Detailed Description

Referring to fig. 1 to 3, which are respectively a perspective view, a perspective exploded view and another perspective exploded view of the push switch of the present utility model, the present utility model provides a push switch, which mainly includes an insulating base 1, two terminal bases 2, two conductive spring plates 3 and a push assembly 4, and the connection relationship of the above components is as follows:

the insulating base 1 comprises a base 11 and a cover 12, wherein a containing space 10 is formed in the base 11, a positioning column 111 and a plurality of positioning convex columns 112 arranged at intervals are convexly arranged on the bottom surface of the base 11 in the containing space 10, a plurality of openings 110 are arranged on the bottom surface of the base 11 in a penetrating manner, positioning plates 121 extending into the containing space 10 are arranged at the bottom of the cover 12, a guide portion 1211 is respectively arranged at two sides of the positioning plates 121, two guide inclined planes 1212 which are inclined inwards and gradually narrowed are formed on the guide portion 1211, a positioning groove 1213 is formed between the two guide inclined planes 1212, and a through hole 13 longitudinally penetrates through one side of the surface of the cover 12.

The two terminal bases 2 each include a terminal assembly 21, a substrate 211 is disposed on each of the two terminal assemblies 21, a first insulating column 212 and a second insulating column 213 are disposed on the top side of the substrate 211 in a vertical and front-to-back arrangement, a receiving slot 210 is disposed between the first insulating column 212 and the second insulating column 213, a first conductive terminal 2121 and a second conductive terminal 2122 are disposed in the first insulating column 212 in a vertical arrangement, a third conductive terminal 2131 is disposed in the second insulating column 213, a first docking portion 2123, a second docking portion 2124 and a third docking portion 2132 extending out of the substrate 211 are disposed on one side of the first conductive terminal 2121, the second conductive terminal 2122 and the third conductive terminal 2131, and a plurality of limiting bumps 1 are disposed on both sides of the substrate 211.

The two conductive spring plates 3 are made of conductive materials, and have a flat base 31, and a pair of alignment holes 310 are formed on the base 31, two symmetrical clamping portions 311 are respectively bent and extended on two sides of the base 31, a contact piece 3111 extending inwards and forming a clamping state is respectively arranged on the two clamping portions 311, and at least one embedding groove 312 is formed on two sides of the base 31.

The pressing component 4 includes a pressing member 41, a swinging member 42, a traction member 43 and an elastic element 44, wherein the pressing member 41 has a base 411, a recess 4111 for the elastic element 44 to elastically support is provided at the bottom of the base 411, a pressing member 412 is provided at the top of the base 411, a first engaging portion 413 having a first engaging hole 4130 is provided at one side of the base 411, a base 421 having a groove 4210 is provided in the swinging member 42, a second engaging portion 422 is provided at one side of the groove 4210, an engaging groove 4220 is provided in the groove 4210, symmetrical second flanges 423 are provided at both sides of the base 421, a movable opening 4230 is provided in each flange 423, the flange 423 faces a sliding portion 4231 extending in a tapered manner, a positioning end 4232 is provided at one side of the sliding portion 4231, a positioning portion 4233 is provided at the other side of the flange 423, a hook portion 431 is provided at one side of the groove 4233, and a first engaging portion of the protrusion portion 4235 is provided at least for being engaged with the first engaging portion of the first hook member 41 and the second engaging portion 4235 of the first engaging member 4235 is inserted into the groove 4230.

When the push switch of the present utility model is to be assembled, the two terminal assemblies 21 of the two terminal bases 2 are first integrally formed on the base 11 of the insulating base 1 by means of embedding injection (INSERT MOLDING), the base 211 of the terminal assemblies 21 is accommodated at the opening 110 of the base 11, the plurality of protrusions 2111 on the base 211 are abutted against the bottom surface of the base 11, the plurality of positioning posts 112 arranged in the base 11 at intervals clamp the base 211, and thus the assembly of the two terminal bases 2 is stabilized, the first insulating post 212 on the second terminal assemblies 21, the first conductive post 2121, the second conductive post 2122 and the third conductive post 2131 in the second insulating post 213 are positioned between the positioning posts 112 of the base 11, the first abutting portion 2123, the second abutting portion 2124 and the third abutting portion 2132 arranged on the other side are extended downwards through the bottom surface of the insulating base 11, the bent portions and the second terminal assemblies 21 are integrally contacted with the second terminal assemblies 311 on the two sides of the insulating base 21, the second terminal assemblies 21 and the second terminal assemblies 213 are combined with the first conductive post 2121, the second conductive post 213 is contacted with the second terminal assemblies 311 on the two sides of the insulating base 11, the first conductive post 213 is contacted with the second terminal assemblies 21 and the second terminal assemblies 213 on the two sides of the first insulating post 213 and the first insulating post 213 is contacted with the second terminal assemblies 21 on the two sides of the first insulating post 213 is contacted with the second terminal assemblies 213 on the first insulating post 213, and the second terminal assemblies 311 is contacted with the second terminal assemblies are contacted with the second terminal assemblies 311, and the plurality of contact plates 3111 at both sides of the base 31 are electrically connected to the first conductive terminal 2121 and the third conductive terminal 2131.

The pressing member 41 of the pressing component 4 is placed in the accommodating space 10 of the insulating base 1, one end of the elastic element 44 is sleeved on the positioning column 111 of the base 11, so that two ends of the elastic element 44 are elastically propped against the space between the base 11 and the pressing member 41, the swinging member 42 of the pressing component 4 can be positioned by penetrating the convex column 4234 at the bottom of the positioning part 4233 of the two wing plates 423 on two sides through the positioning hole 310 on the base 31 of the conductive elastic sheet 3, the at least one embedding block 4235 at the bottom of the positioning part 4233 is further embedded in the at least one embedding groove 312 on the base 31, the movable opening 4230 on the two wing plates 4230 is sleeved on the second insulating column 213 of the terminal component 21, and the positioning of the swinging member 42 on the terminal base 2 and the two conductive elastic sheet 3 is completed by inserting the first connecting part 413 of the pulling member 43 and the second connecting part 422 of the swinging member 42 into the positioning hole 310 on the two sides of the conductive elastic sheet 3, the sliding cover part 4212 is gradually inserted into the guide groove 1211 of the insulating base 1, the sliding cover 421 is gradually exposed from the two guide grooves 421, and the sliding cover 421 is gradually inserted into the guide groove 421 of the insulating base 1211, and the sliding cover 421 is gradually exposed from the guide groove 421 is inserted into the guide groove 421.

The two terminal assemblies 21 of the terminal block 2 are integrally formed in the base 11 of the insulating base 1 by means of INSERT MOLDING (INSERT MOLDING), but this is not a limitation in practical application, and they may be combined with the insulating base 1 by means of INSERT MOLDING or assembly according to practical requirements or structural designs.

Referring to fig. 4, 5, 6 and 7, respectively, the front side view (first), the front side view (second), the rear side view (first) and the rear side view (second) of the push switch according to the present utility model, it can be clearly seen that in practical application, the push body 412 of the push member 41 of the push assembly 4 can be pushed down to drive the push body 412 to displace downward, thereby compressing the elastic element 44 to form an elastic compression deformation, at the same time, the push member 41 pulls the swing member 42 through the traction member 43, and the positioning end 4232 of the sliding portion 4231 on the two wing plates 423 of the swing member 42 swings between the two guiding inclined planes 1212 of the guiding portion 1211 of the cover 12 due to the pull force of the traction member 43, the two movable ports 4230 at two sides of the swinging member 42 are penetrated by the second insulating column 213 and the two clamped contact plates 3111 during the swinging process, so as to avoid the swinging member 42 from colliding with the second insulating column 213 during the swinging process, to affect the electrical switching of the switch, and the base 31 of the two conductive elastic pieces 3 is displaced by the assembling effect of the positioning portion 4233 on the two wing plates 423 together with the pulling-down force of the swinging member 42, so that the two contact plates 3111 on the two clamping portions 311 at one side of the two conductive elastic pieces 3 are rapidly switched from two sides of the clamped first conductive terminal 2121 and clamped at two sides of the second conductive terminal 2122 to form a snap structure of electrical conduction (as shown in fig. 5 and 7), and when the pressing member 412 is not pressed, the elastic element 44 is elastically restored to push the pressing member 41 back to the original position, and the swinging member 42 is pulled by the pressing member 41 to reset so as to drive the two contact pieces 3111 clamped on the second conductive terminal 2122 to reset rapidly and clamp on the first conductive terminal 2121 to form electrical conduction, so as to generate electrical switching judgment to turn on or off the switch, thereby completing the use of the present utility model.

Referring to fig. 10 again, a side sectional view of another embodiment of the push switch of the present utility model is shown, the difference between this embodiment and fig. 1 to 7 is that an assembling groove 14 is concavely formed in the insulating base 1 corresponding to the upper and lower sides of the front end of the base 421 of the swinging member 42, a buffer piece 15 made of silica gel is assembled on each buffer piece 15, a buffer portion 151 is provided for the upper and lower sides of the base 421 to collide to form a buffer and prevent noise generated by the collision, an assembling portion 152 protruding into the assembling groove 14 is provided on one side of the buffer portion 151 facing the assembling groove 14, and at least one side of the assembling portion 152 is convexly provided with a positioning block 1521 that is forced to tightly form interference positioning on the inner wall surface of the assembling groove 14, so that the buffer piece 15 is not easy to loosen and fall off, the buffer piece 15 is used to buffer the collision caused by the two buffer pieces 15 to reduce the noise caused by the collision, and further achieve the effect of pressing and noise reduction, and the buffer piece 15 can also be positioned on the upper and lower sides of the insulating base 1 in a manner by sticking to form a buffer piece, thus the same modification scope as that the utility model is not easy to cover the utility model, and the utility model is not disclosed in the patent scope of the utility model.

The utility model has the following advantages:

the two conductive spring plates 3 are respectively clamped on the two terminal assemblies 21 through the two contact plates 3111 on the two clamping portions 311 on two sides, the first conductive terminal 2121, the second conductive terminal 2122 and the two sides of the third conductive terminal 2131 of the second insulating column 213 are respectively formed into side conduction by the vertical and front-back arranged first insulating column 212 and the front-back arranged second insulating column 212, and the pressing body 412 is pressed to press the elastic element 44 to elastically compress and deform, so as to drive the swinging member 42 to swing, so that the two contact plates 3111 on the bottom side of the swinging member 42 can be quickly switched and clamped on the first conductive terminal 2121 of the vertical first insulating column 212 along with swinging to form an electrically conductive snap-action structure, and then an electrically switching judgment is generated to enable the switch to be opened or closed, thereby avoiding the time of the quick switching and the initial contact interruption signal influenced by the upper and lower impacts in the switching process by the quick switching action structure, and further achieving the purpose of improving the stability of the electrical switching.

The positioning ends 4232 of the two wing plates 423 on the swinging member 42 are guided by the guiding portion 1211 to form the staggered two guiding inclined planes 1212, and when the pressing body 412 is pressed to drive the downward displacement, the positioning ends 4232 swing in the two guiding inclined planes 1212 and do not slide out of the positioning groove 1213, so as to enhance the pressing feeling of the pressing assembly 4 when being pressed by the swinging of the positioning ends 4232, thereby achieving the effect of enabling the user to feel the pressing switch.

And thirdly, the bottom surface of the base 11 of the insulating base 1 is provided with a plurality of openings 110 for accommodating and positioning the two substrates 211 of the two terminal bases 2, and the plurality of openings 110 can be placed into different terminal assemblies 21 according to different requirements of users without re-opening a new base 11.

And fourthly, the insulating base 1 is provided with the assembly groove 14 for assembling the buffer piece 15 in a concave manner at positions corresponding to the upper side and the lower side of the front end of the base 421 of the swinging piece 42, the buffer piece 15 is provided with the buffer part 151 for buffering the upper side and the lower side of the base 421 so as to prevent noise generated by the collision, the buffer part 151 is provided with the assembly part 152 protruding into the assembly groove 14 towards one side of the assembly groove 14, and at least one side of the assembly part 152 is provided with the positioning block 1521 protruding towards the inner wall surface of the assembly groove 14 so as to form interference positioning, so that the buffer piece 15 is not easy to loosen and fall off, and the effect of keeping the pressing feel and reducing the noise is achieved by buffering the collision of the swinging piece 42 through the two buffer pieces 15.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather as merely providing illustrations of simple and equivalent structural changes that can be made by the principles of this utility model and the accompanying drawings.

Claims

1. The utility model provides a push switch which characterized in that includes an insulating pedestal, two terminal blocks, two electrically conductive shell fragments and a pressing component, wherein:

2. The push switch of claim 1, wherein: the insulating seat is provided with an assembling groove for assembling a buffer sheet in a concave manner at the upper and lower sides of the front end of the base corresponding to the swinging piece, the buffer sheet is provided with a buffer part corresponding to the upper and lower sides of the base, one side of the buffer part facing the assembling groove is convexly provided with an assembling part extending into the assembling groove, and at least one side of the assembling part is convexly provided with a positioning block which is tightly pressed on the inner wall surface of the assembling groove to form interference positioning.

3. The push switch of claim 1, wherein: the wing plates at two sides of the swinging piece are respectively provided with a movable opening which is sleeved on the second insulating column of the terminal assembly and the two contact pieces of the conductive elastic piece.

4. The push switch of claim 1, wherein: two sides of the positioning plate are respectively provided with a guiding part, and the guiding parts are provided with two guiding inclined planes which are inclined inwards, gradually narrow and extend to form a staggered way.

5. The push switch of claim 1, wherein: the bottom surface of the base of the insulating base body is provided with a plurality of openings for accommodating and positioning two substrates of the two terminal bases in a penetrating way, and the base is positioned on the bottom surface of the accommodating space and is convexly provided with positioning columns and a plurality of positioning convex columns which are arranged at intervals.

6. The push switch of claim 1, wherein: a containing groove for containing the base parts of the two conductive elastic sheets is concavely arranged between the first insulating column and the second insulating column which are respectively arranged on the two substrates of the two terminal bases in a protruding mode.

7. The push switch of claim 1, wherein: the two substrates of the two terminal bases are respectively provided with a plurality of limit protruding blocks which are clamped in the base of the insulating base body.

8. The push switch of claim 1, wherein: the base part of the two conductive elastic sheets is provided with a pair of positioning holes and at least one jogging groove in a penetrating way, and the bottom side of the positioning part respectively arranged on the two wing plates of the swinging piece is provided with a convex column penetrating through the positioning holes for positioning and at least one jogging block jogged in the jogging groove for positioning.

9. The push switch of claim 1, wherein: the bottom of the base of the pressing piece is provided with a groove for placing one end of the elastic element.

10. The push switch of claim 1, wherein: the first linking part of the pressing piece is provided with a first linking hole, the second linking part is concavely provided with a linking groove, and two ends of the traction piece are respectively bent and extended with a hook part which is inserted into the first linking hole and is embedded in the linking groove.