CN210575654U

CN210575654U - Push switch

Info

Publication number: CN210575654U
Application number: CN201921322082.6U
Authority: CN
Inventors: 林锡埼
Original assignee: ZHUHAI WEIDA ELECTRONICS CO Ltd
Current assignee: ZHUHAI WEIDA ELECTRONICS CO Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-19
Anticipated expiration: 2029-08-14

Abstract

The utility model provides a press switch, two plate bodies of a cover body are inserted into a containing space of an insulating base body, shaft holes are arranged on the two plate bodies, at least one group of first conductive terminals and second conductive terminals of a terminal group are positioned on the insulating base body, one side of the base part of a conductive elastic sheet is provided with a contact sheet which is in normal contact with the first conductive terminals, the other side is provided with a first elastic sheet, a press component is arranged in the containing space, one side of the base body of the press component is provided with a first connection part, one side of the base of a swing part of the press component is provided with a second connection part, two opposite side surfaces of the base are provided with two shaft posts which are pivoted in the two shaft holes, the side surface of the base is provided with a first contact body which is used for rotating to contact the first elastic sheet so as to enable the first elastic sheet to form electrical contact with the second conductive terminals, a traction part is arranged between, the two-axis column of the swinging piece is pivoted and penetrated in the two-axis hole, so that the shaft column can be prevented from being easily separated from the outside, and the stability is improved.

Description

Push switch

Technical Field

The utility model relates to a press the switch, indicate especially that the swing piece of pressing the subassembly penetrates in the biax hole of insulating pedestal for the pin joint is come to the accessible biax post, can avoid the axis post to break away from to the outside easily through the structural design in shaft hole to promote the pin joint degree of combining, and then reach the purpose that increases stability in use.

Background

In various electronic and electrical products, in addition to commonly used electronic components, a switch is provided, which can switch on or off an electronic signal or a power supply by pressing or switching, for example, to control the operations of the electronic and electrical products, such as: the photo button used in the digital camera is a two-stage side-pressure switch, which has the functions of focusing before being pressed once and taking photos after being pressed twice, or various switches such as a press-type power switch, a start switch, a volume adjustment switch or a press-type control switch are arranged inside a portable electronic product (such as a smart phone, a tablet computer, a notebook computer or a personal digital assistant).

Furthermore, a swing member is movably pivoted in the housing of a portion of the push switch, and when the push switch is pressed, the swing member swings and electrically contacts with a terminal of the push switch to achieve an electrical switching function, however, in order to facilitate assembly, an ㄈ -shaped shaft slot is generally used for pivoting a shaft post of the swing member, but after the push switch is pressed for a long time, an opening of the ㄈ -shaped shaft slot is enlarged, so that the shaft post is easily separated from the shaft slot, and the ㄈ -shaped shaft slot is easily broken after long-time use, so that the push switch is damaged and cannot be used, which causes inconvenience in use.

Therefore, how to try to solve the above-mentioned existing drawbacks and inconveniences is a direction that the related art needs to research and improve.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above problems and shortcomings, the present invention provides a new push switch design by collecting relevant data, evaluating and considering in many ways, and continuously trying and modifying through years of experience accumulated in the industry.

In order to achieve the above object, the utility model adopts the following technical scheme:

a push switch characterized by: including insulating pedestal, terminal group, at least one electrically conductive shell fragment and pressing means, wherein:

the insulating base body comprises a base and a cover body, wherein an accommodating space is formed inside the base and the cover body, two plate bodies extending into the accommodating space are arranged at the bottom of the cover body, shaft holes are formed in the two plate bodies in a penetrating manner, and through holes are longitudinally formed in one side of the surface of the cover body;

the terminal group comprises at least one group of first conductive terminal and second conductive terminal positioned on the insulating base, wherein one end of the first conductive terminal and one end of the second conductive terminal respectively extend to form a first butt-joint part and a second butt-joint part which are positioned in the accommodating space, and the other end of the first conductive terminal and the other end of the second conductive terminal respectively extend to form a first welding part and a second welding part which are positioned outside the insulating base;

the conductive elastic sheet is positioned at the base part in the containing space of the insulating seat body, a contact sheet which is in normal contact with the first butt-joint part of the first conductive terminal is bent outwards at one side of the base part, and a first elastic sheet is arranged at the other side of the base part opposite to the contact elastic sheet;

the pressing assembly includes one pressing part, one swinging part, one drawing part and one elastic element, the pressing part has one seat inside the holding space, one pressing body penetrating the hole and set on the top of the seat, one first connecting part set on one side of the seat, one swinging part with one base inside the holding space, one second connecting part set on one side of the base, two shaft posts pivoted to the two shaft holes on two opposite sides of the base, one first contact part set on at least one side of the base, one drawing part connected between the first connecting part and the second connecting part, one elastic element supported elastically between the seat and the base, and one elastic element compressed to deform and driven to rotate by the drawing part and with the two shaft posts as the shaft center to make the first contact part contact the first elastic sheet of the conducting elastic sheet, and the first elastic sheet is electrically conducted with the second butt joint part of the second conductive terminal, when the pressing body is not pressed, the elastic element is elastically restored, the pressing piece drives the swinging piece to rotate back by utilizing the traction piece, the two shaft columns of the swinging piece are used as the shaft centers to enable the first contact body to rotate back and be separated from the first elastic sheet of the conductive elastic sheet, and therefore the first elastic sheet is not electrically conducted with the second butt joint part of the second conductive terminal.

The push switch, wherein: the base of the insulating base body is convexly provided with a positioning column and a plurality of convex columns which are arranged at intervals on the bottom surface of the accommodating space.

The push switch, wherein: the terminal group is positioned on the insulating base body and is provided with a third conductive terminal, one end of the third conductive terminal extends to form a third butt joint part positioned in the containing space, the other end of the third conductive terminal extends to form a third welding part positioned outside the insulating base body, the base part of the conductive elastic sheet is provided with a second elastic sheet between the contact sheet and the first elastic sheet, at least one side surface of the swinging piece is provided with a second contact body which is in a high-low dislocation shape with the first contact body, when the pressing body of the pressing piece is pressed, the second contact body is not contacted with the second elastic sheet, and when the pressing body of the pressing piece is not pressed, the second contact body is contacted with the second elastic sheet, so that the second elastic sheet is electrically conducted with the third butt joint part of the third conductive terminal.

The push switch, wherein: the stress surfaces of the first elastic sheet and the second elastic sheet of the conductive elastic sheet are parallel to the stress surfaces of the first contact body and the second contact body of the swinging piece.

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

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

The push switch, wherein: the surface of the base of the swinging piece is concavely provided with a notch for the traction piece to be placed in.

The push switch, wherein: a guide inclined plane is formed above the two shafts of the swinging piece.

The utility model has the advantages of, because of the swing piece accessible two-axis post of pressing the subassembly comes the pin joint to penetrate in the two-axis hole of insulating pedestal, can avoid the axis post to break away from to the outside easily through the structural design in shaft hole to promote the pin joint degree of combining, and then reach the purpose that increases stability in use.

The utility model discloses a secondary advantage lies in this electrically conductive shell fragment for coming direct and first butt joint portion formation normality electrical contact with first conductive terminal through the contact piece, so the contact piece of electrically conductive shell fragment need not utilize external force extrusion to contact in first conductive terminal, and then reaches the purpose that promotes the contact piece of electrically conductive shell fragment and the first butt joint portion contact stability of first conductive terminal.

The utility model discloses a still another advantage lies in that the stress surface of this first shell fragment and second shell fragment is on a parallel with the first contact of swinging piece and the application of force face of second contact, so difficult emergence is crooked, the condition such as skew when this electrically conductive shell fragment's first shell fragment and second shell fragment atress, and then avoids first shell fragment and second shell fragment to produce the situation of bending deformation to reach the mesh that promotes electrically conductive shell fragment life.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is an exploded perspective view of another perspective of the present invention.

Fig. 4 is a side sectional view of the present invention.

Fig. 5 is a front sectional view of the present invention before pressing.

Fig. 6 is a front sectional view of the utility model after pressing.

Fig. 7 is an exploded perspective view of another embodiment of the present invention.

Fig. 8 is an exploded perspective view of another perspective of another embodiment of the present invention.

Description of reference numerals: 1-an insulating base; 10-a containing space; 11-a base; 111-a locating post; 112-convex column; 12-a cover body; 121-plate body; 13-shaft hole; 14-perforating; 2-terminal group; 21-a first conductive terminal; 211-a first docking portion; 212-first weld; 22-a second conductive terminal; 221-a second docking portion; 222-a second weld; 23-a third conductive terminal; 231-a third docking station; 232-third weld; 3-a conductive elastic sheet; 31-a base; 32-contact piece; 33-a first spring plate; 34-a second spring plate; 4-a pressing assembly; 41-pressing piece; 411-base; 4111-a groove; 412-a compression body; 413-a first engagement; 4131-a first engagement hole; 42-a pendulum; 421-a base; 4211-notch; 422-a second engagement; 4221-a second engagement hole; 423-shaft column; 4231-a lead bevel; 424 — first contact; 425-a second contact; 43-a traction member; 431-hook part; 44-elastic elements.

Detailed Description

To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 7, and fig. 8, which are a perspective view, a perspective exploded view at another viewing angle, a side sectional view, a perspective exploded view at another embodiment, and a perspective exploded view at another viewing angle of another embodiment of the present invention, as clearly seen from the figures, the present invention includes an insulating base 1, a terminal set 2, at least one conductive elastic piece 3, and a pressing component 4, wherein:

the insulation base 1 includes a base 11 and a cover 12, wherein an accommodating space 10 is formed inside the base 11 and the cover 12, a positioning column 111 and a plurality of protruding columns 112 arranged at intervals are convexly arranged on the bottom surface of the accommodating space 10 of the base 11, two plate bodies 121 extending into the accommodating space 10 are arranged at the bottom of the cover 12, a circular shaft hole 13 is arranged on the two plate bodies 121 in a penetrating manner, and a through hole 14 is arranged on one side of the surface of the cover 12 in a longitudinally penetrating manner.

The terminal set 2 includes at least one set of a first conductive terminal 21, a second conductive terminal 22 and a third conductive terminal 23, wherein one end of the first conductive terminal 21, the second conductive terminal 22 and the third conductive terminal 23 respectively extends to form a first butt-joint portion 211, a second butt-joint portion 221 and a third butt-joint portion 231, and the other end of the first conductive terminal 21, the second conductive terminal 22 and the third conductive terminal 23 respectively extends to form a first welding portion 212, a second welding portion 222 and a third welding portion 232.

The conductive elastic sheet 3 is made of conductive material and has a flat base 31, and an arc-shaped contact sheet 32 is bent outward on one side of the base 31, and a first elastic sheet 33 and a second elastic sheet 34 are folded back at the top edge of the base 31 opposite to the other side of the contact elastic sheet 32.

The pressing assembly 4 includes a pressing member 41, a swinging member 42, a pulling member 43 and an elastic element 44, wherein the pressing member 41 has a base 411, a groove 4111 is formed at the bottom of the base 411, a pressing body 412 is arranged at the top of the base 411, a first engaging portion 413 having a first engaging hole 4131 is formed at one side of the base 411, the swinging member 42 has a base 421 having a substantially triangular shape, a slot 4211 is formed on the surface of the base 421, a second engaging portion 422 having a second engaging hole 4221 is formed at one side of the slot 4211, a shaft column 423 is respectively and convexly formed at one end of the base 421, a guiding inclined surface 4231 is formed above the shaft column 423, a first pressing contact body 424 and a second contact body 425 having a high-low dislocation shape are convexly formed at least one side of the base 421, the pulling member 43 is engaged between the first engaging portion 413 of the pressing member 41 and the second engaging portion of the swinging member 42, and a first engaging hole 4131 and a second engaging portion 4131 for inserting into the first engaging portion 413 are respectively extended from two ends of the pulling member 43 A hook portion 431 in the second engagement hole 4221 of the portion 422; in addition, the elastic element 44 is elastically supported in the groove 4111 of the seat 411.

When the utility model is assembled, at least one set of the first conductive terminal 21, the second conductive terminal 22 and the third conductive terminal 23 of the terminal set 2 can be integrally formed into the base 11 of the insulating base 1 by plastic in an insert injection (insert mo molding) manner, the first butt-joint part 211, the second butt-joint part 221 and the third butt-joint part 231 of one side of the first conductive terminal 21, the second conductive terminal 22 and the third conductive terminal 23 can be exposed out of the plurality of convex columns 112 of the base 11, the first welding part 212, the second welding part 222 and the third welding part 232 of the other side of the first conductive terminal 21, the second conductive terminal 22 and the third conductive terminal 23 can be bent downwards to extend out of the bottom of the insulating base 1, and after the insulating base 1 and the terminal set 2 are combined into a whole, the conductive elastic sheet 3 can be sleeved and combined on the plurality of convex columns 112 of the base 11, and the base 31 of the conductive elastic sheet 3 is located between the side wall of the base 11 and the convex columns 112, the contact piece 32 of the conductive elastic piece 3 is in a normal contact state with the first mating portion 211 of the first conductive terminal 21.

Then, the pressing member 41 of the pressing assembly 4 is placed in the accommodating space 10 of the insulating base 1, and 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 supported between the base 11 and the pressing member 41, and the swinging member 42 of the pressing assembly 4 can lead the two shaft posts 423 to be guided and assembled into the two shaft holes 13 of the insulating base 1 in a pivoted state through the guiding inclined plane 4231 above the two shaft posts 423, and the pulling member 43 is connected between the first connecting portion 413 of the pressing member 41 and the second connecting portion 422 of the swinging member 42, so that the cover 12 can be closed downward, and further the pressing member 412 of the pressing member 41 passes through the through hole 14 of the insulating base 1 and is exposed outside the insulating base 1, at this time, the first contact body 424 of the swinging member 42 is not in contact with the first elastic sheet 33 of the conductive elastic sheet 3, and the second contact body 425 of the swinging member 42 is in contact with the second elastic sheet 34 of the conductive elastic sheet 3, thus, the second elastic sheet 34 is deformed to contact the third abutting portion 231 of the third conductive terminal 23 to form electrical conduction, so that the cover 12 of the insulating base 1 can be bonded to the base 11 of the insulating base 1 by adhesion, snap-fit assembly, hot melting or other assembling methods, thereby completing the assembly of the present invention.

The at least one set of the first conductive terminal 21, the second conductive terminal 22 and the third conductive terminal 23 of the terminal set 2 are preferably formed by using plastic to respectively cover and inject the insulating base 1 in an embedding and injecting manner, but in practical application, this is not taken as a limitation, and the insulating base 1 may be combined and positioned in an embedding and injecting manner or in an assembling manner according to different practical requirements or structural designs.

After the push switch is assembled, the force-bearing surfaces of the first spring piece 33 and the second spring piece 34 of the conductive spring piece 3 are parallel to the force-bearing surfaces of the first contact 424 and the second contact 425 of the swinging member 42.

Referring to fig. 5 and 6, it can be seen that when the pressing device of the present invention is in actual use, the pressing body 412 of the pressing member 41 of the pressing assembly 4 can be pressed downward to drive the pressing member 41 to move downward, so as to press the elastic element 44 to be in a compression deformation, and at the same time, the pressing member 41 will pull the swinging member 42 by the pulling member 43, and the swinging member 42 will rotate clockwise and axially in the accommodating space 10 of the insulating base 1 with the two shafts 423 as the axis, so that the first contact body 424 of the swinging member 42 is pressed against the first resilient sheet 33 of the conductive resilient sheet 3 to form a contact, and the first resilient sheet 33 will deform, and the second abutting portion 221 of the second conductive terminal 22 will form an electrical conduction, and the second contact body 425 of the swinging member 42 will not form a contact with the second resilient sheet 34 of the conductive resilient sheet 3, thus, the second elastic sheet 34 is deformed to generate elastic recovery to release the electrical conduction state generated between the second elastic sheet and the third butt-joint part 231 of the third conductive terminal 23, and further, the electrical switching judgment is generated to open or close the switch, thereby completing the use of the utility model.

The utility model has the advantages of that:

the swinging member 42 of the pressing member 4 is pivotally inserted into the two-axis hole 13 of the insulating base 1 through the two-axis pillar 423, i.e. the structural design of the axis hole 13 can prevent the two-axis pillar 423 from easily separating from the outside, so as to improve the pivotal connection degree, and further achieve the purpose of increasing the use stability.

The second conductive elastic sheet 3 is in normal electrical contact with the first mating portion 211 of the first conductive terminal 21 directly through the arc-shaped contact piece 32, so that the contact piece 32 of the conductive elastic sheet 3 does not need to be pressed by an external force to contact the first conductive terminal 21, thereby achieving the effect of improving the contact stability between the contact piece 32 of the conductive elastic sheet 3 and the first mating portion 211 of the first conductive terminal 21.

When the first contact body 424 and the second contact body 425 of the swinging member 42 are in abutting contact with the first elastic sheet 33 and the second elastic sheet 34 of the conductive elastic sheet 3, because the force-bearing surfaces of the first elastic sheet 33 and the second elastic sheet 34 are parallel to the force-bearing surfaces of the first contact body 424 and the second contact body 425 of the swinging member 42, the first elastic sheet 33 and the second elastic sheet 34 of the conductive elastic sheet 3 are not prone to skew and shift, and the first elastic sheet 33 and the second elastic sheet 34 are prevented from bending deformation, so that the service life of the conductive elastic sheet 3 is prolonged.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A push switch characterized by: including insulating pedestal, terminal group, at least one electrically conductive shell fragment and pressing means, wherein:

2. The push switch of claim 1, wherein: the base of the insulating base body is convexly provided with a positioning column and a plurality of convex columns which are arranged at intervals on the bottom surface of the accommodating space.

3. The push switch of claim 1, wherein: the terminal group is positioned on the insulating base body and is provided with a third conductive terminal, one end of the third conductive terminal extends to form a third butt joint part positioned in the containing space, the other end of the third conductive terminal extends to form a third welding part positioned outside the insulating base body, the base part of the conductive elastic sheet is provided with a second elastic sheet between the contact sheet and the first elastic sheet, at least one side surface of the swinging piece is provided with a second contact body which is in a high-low dislocation shape with the first contact body, when the pressing body of the pressing piece is pressed, the second contact body is not contacted with the second elastic sheet, and when the pressing body of the pressing piece is not pressed, the second contact body is contacted with the second elastic sheet, so that the second elastic sheet is electrically conducted with the third butt joint part of the third conductive terminal.

4. The push switch of claim 3, wherein: the stress surfaces of the first elastic sheet and the second elastic sheet of the conductive elastic sheet are parallel to the stress surfaces of the first contact body and the second contact body of the swinging piece.

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

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

7. The push switch of claim 1, wherein: the surface of the base of the swinging piece is concavely provided with a notch for the traction piece to be placed in.

8. The push switch of claim 1, wherein: a guide inclined plane is formed above the two shafts of the swinging piece.