TWI600039B - Press the switch structure - Google Patents

Description

Push switch structure

The invention relates to a switch, in particular to a push switch structure capable of providing surround illumination and having waterproof effect.

According to the switch, the specifications and sizes of the switch are very wide, and the application range is quite extensive. The switches that are commonly used in general precision equipment, small equipment or small appliances are mostly called smart switches or micro switches, due to the volume of such switches. It is quite short and light, so it can be applied to electronic devices or instruments with limited space or only small or micro switches, such as 3C electronic products or micro-computers, and opened and closed by pressing.

The conventional push-type switch includes a cap, a base and a conduction mechanism disposed in the base. The inner conductive mechanism is electrically connected by pressing the cap, and the telecommunication is transmitted to the application end product, thereby opening or closing the application. The corresponding function set by the end product. However, the pressing of the conventional push switch does not provide the user feedback message as a basis for judging whether the switch has been turned on. Therefore, a manufacturer has developed a lighted switch, that is, a light-emitting element is disposed in the center of the base. The light-emitting element is illuminated to indicate the on state of the switch. However, the illuminating element is located at the bottom of the pedestal, which is at a distance from the cap and is blocked by the surrounding pedestal, resulting in poor illuminating effect, and the illuminating mode is simple, so that it is difficult for the outside world to clearly recognize the illuminating element. Bright and changing. In addition, the traditional push-type switch has a poor waterproof effect, and it is easy for the outside water to penetrate into the interior, so that the electronic components in the application end product are damp, thereby affecting the circuit structure, causing malfunction or even malfunction of the mechanical control.

It is an object of the present invention to provide a push switch structure having a wraparound illumination function for indicating the pressing state of the switch and the visual change effect of the controlled function.

Another object of the present invention is to provide a push switch structure which can effectively prevent outside water from penetrating into the interior.

In order to achieve the foregoing objective, the push switch structure of the present invention includes a base including a wall body and a receiving space formed by the wall body, the wall body having a fixing portion, and a pressing unit including a cap And a connecting post extending from a side of the cap, movably connected to the receiving space of the base, the cap having a light transmissive bent portion and a fixing portion of the base Forming a space between each other; a substrate disposed in the accommodating space of the pedestal, the substrate is provided with at least one contact portion; and a light-emitting module comprising a flexible cable and a plurality of illuminating lights disposed on the flexible splicing line The flexible cable is disposed on the fixing portion of the base, and includes an extending portion, one end of which extends to one side of the flexible cable, and the other end of which is electrically connected to the substrate, wherein the light emitting elements are located in the interval a signal terminal group electrically connected to the substrate; and at least one conductive member having flexibility, disposed above the contact portion of the substrate and between the substrate and the connecting column of the pressing unit, when the pressing The unit is pressed to press against the conductive element, Deformed conductive member, and electrically in contact with the contact portion, and the signal transmitted through the signal transmission terminal groups, and further turns on the push switch structure, and a number of the plurality of light emitting element generating light emission mode.

According to one embodiment of the push switch structure of the present invention, the base further includes a waterproof gasket sleeved on the outside of the wall for inserting into a corresponding docking groove.

According to another embodiment of the push switch structure of the present invention, the outer surface of the wall of the base extends outwardly from a platform, and includes a plurality of grooves, and the waterproof gasket is provided with a plurality of cards corresponding to the plurality of grooves The card is embedded in the plurality of grooves, so that the platform and the waterproof gasket are adjacent to each other to form a step.

According to another embodiment of the push switch structure of the present invention, the wall of the base is provided with two protrusions respectively protruding toward the accommodating space, and the connecting post is provided with two perforations corresponding to the two protrusions, each perforation The area is larger than the protrusion for engaging the protrusion to connect the connecting post to the base, and one end of the protrusion is kept at a distance from the through hole to limit the displacement of the pressing unit.

The push switch structure of the invention utilizes the light-emitting elements on the flexible cable, and exhibits different illumination modes in combination with the pressing of the pressing unit, so as to provide a visual sense of multiple changes, effectively solving the fact that the conventional push switch cannot indicate whether the pressing is in place, and the control function cannot provide the function. The disadvantage of visual feedback, and the arrangement of the light-emitting element of the present invention is close to the cap, the brightness exposed to the outside can be increased, and the light-emitting module can be easily repaired or replaced by the detachment of the pressing unit. In addition, the waterproof gasket and the platform form a stepped waterproof gas infiltration structure, which effectively improves the disadvantage that the inside of the conventional switch is easily infiltrated into the water by the outside.

Press the switch structure. . 1
Pedestal. . . . . . 2
Housing space. . . . 20
Slot. . . . . . 201
Wall. . . . . . twenty one
Bump. . . . . . 210
Fixed part. . . . . 211
Positioning box. . . . . 212
Waterproof gasket. . . . twenty two
Cards. . . . . . 221
platform. . . . . . twenty three
Groove. . . . . . 231
Press the unit. . . . 3
Cap. . . . . . 31
interval. . . . . . 310
Bending section. . . . . 311
Connecting the column. . . . . 32
perforation. . . . . . 320
Pressure seat. . . . . 33
Through hole. . . . . . 330
Substrate. . . . . . 4
Contact part. . . . . 41
Programmable control component. 42
Signal terminal group. . . 5
Switch signal terminal. . 51
Trigger terminal. . . . 52
Power terminal. . . . 53
Light module. . . . 6
Soft cable. . . . . 61
Extended section. . . . . 611
Light-emitting elements. . . . 62
illuminator. . . . . 63
Conductive components. . . . 7
Docking groove. . . . . 8

The first figure is a perspective exploded view of the push switch structure of the present invention.
The second figure is a three-dimensional combination diagram of the first figure.
The third figure is a perspective view of the bottom view of the push switch structure of the present invention.
The fourth figure is a schematic cross-sectional view of the push switch structure of the present invention.
The fifth figure is a schematic cross-sectional view of the push switch structure of the present invention being pressed.

Please refer to the first to third figures for a preferred embodiment of the push switch structure of the present invention. The push switch structure 1 of the present invention can be applied to various electrical products, or switch of the inner panel of the vehicle, or a controller of the electronic game machine. usage of. The push switch structure 1 of the present invention comprises a base 2, a pressing unit 3, a substrate 4, a signal terminal group 5, a light emitting module 6, and two conductive elements 7. The base 2 includes a wall 21 and an accommodating space 20 formed by the wall 21 . The wall body 21 is surrounded by four sides to form a base 2, and the outer surface of the wall body 21 is disposed near the top of the base 2 with a fixing portion 211 disposed around the wall body 21. The fixing portion 211 includes a positioning frame 212 having an L shape. Section. In addition, the wall body 21 is provided with two protrusions 210 which are oppositely disposed and protrude into the accommodating space 20 respectively.

The pressing unit 3 includes a cap 31 and a connecting post 32 extending from one side of the cap 31, and is movably connected to the receiving space 20 of the base 2. The cap 31 can be entirely made of a light-transmitting material, and its peripheral edge is bent downward to form a bent portion 311 which forms a space 310 with the fixing portion 211 of the base 2. The connecting post 32 is provided with two through holes 320 corresponding to the two protrusions 210 of the base 2, each of the through holes 320 is larger than the protruding block 210 for engaging the protruding block 210, and connecting the connecting post 32 to the base 2, wherein One end of the bump 210 and the through hole 320 are kept at a distance for restricting the stroke of the displacement of the pressing unit 3, and the pressing unit 3 can also be detached from the base 2 by the detachment of the bump 210 and the through hole 320. In addition, a pressing seat 33 is detachably connected to the bottom of the connecting post 32, and the pressing seat 33 can further form a through hole 330 (as shown in the first figure) corresponding to the illuminant disposed in the center of the substrate 4. 63, the illuminator 63 can be penetrated out of the pressing seat 33, and the light of the illuminator 63 is exposed by the center of the cap 31. The arrangement of the pressing seat 33 can strengthen the structural strength of the connecting post 32 and is used to press the two conductive elements 7.

The substrate 4 is disposed in the accommodating space 20 of the susceptor 2, and the substrate 2 is provided with two contact portions 41 and a plurality of circuits (not shown), and a programmable control element 42 is built therein, which is a chip for The light-emitting patterns of a plurality of light-emitting elements 62 (described later in detail) are set. The two contact portions 41 are disposed corresponding to the conductive member 7. The signal terminal group 5 is electrically connected to the substrate 4 and penetrates the bottom of the base 2 to be connected to a pair of circuit boards (not shown).

The light-emitting module 6 includes a flexible cable 61 and eight light-emitting elements 62 spaced apart from the flexible cable 61, which may be light-emitting diodes or organic light-emitting diodes. The flexible cable 61 is disposed on the fixing portion 211 of the base 2. In the preferred embodiment, the flexible cable 61 is disposed around the fixing portion 211 of the peripheral surface of the wall 21, and is disposed at a positioning frame of the fixing portion 211 from the top to the bottom. 212 inside. One side of the flexible cable 61 extends downwardly to form an extension 611. One end of the flexible cable 61 is inserted into the accommodating space 20 by a slot 201 of the wall 2 and extends downward to be electrically connected to the substrate 4. The light-emitting elements 62 are located in the space 310 and face the bent portion 311 of the cap 31. The light-emitting elements 62 extend below the light-emitting elements 62 to block the light-emitting elements 62. One end of the space 310 is open to the cap 31. At the bottom, the assembly of the cap 31 and the base 2 is facilitated. Specifically, the illumination of the light-emitting elements 62 can generate a plurality of different illumination modes according to the setting of the programmable control element 42. For example, the illumination elements 62 can flash one by one around the cap 31, or all of them can be illuminated at one time, or all. Flashing. In one implementation, the illuminating element 62 can be configured to illuminate upon actuation of the switch structure 1 . Since the light-emitting elements 62 are disposed on the outer surface of the wall 21, the light emitted therefrom is displayed outside the bent portion 311 of the cap 31, and thus is not confused with the light of the illuminator 63 in the susceptor 2.

Each of the conductive elements 7 has flexibility, which can be made of a conductive silicone, correspondingly disposed above the contact portion 41 and between the substrate 4 and the pressing seat 33 of the connecting post 32. The two conductive elements 7 are spaced apart from each other for receiving the pressing force of the pressing unit 3 on average.

Specifically, as shown in the third figure, the signal terminal group 5 includes two switching signal terminals 51 and three trigger terminals 52 for triggering the light-emitting elements 62 and the illuminators 63 and the three power terminals 53. The plurality of switch signal terminals 51 are respectively coupled to the two contact portions 41. When the push switch structure 1 is energized and the conductive elements 7 are not in contact with the contact portions 41, the plurality of switch signal terminals 51 provide a first electrode signal. That is, the contact portion 41 corresponding to the left side is the positive electrode, and the contact portion 41 corresponding to the right side is the negative electrode. When the conductive elements 7 electrically contact the contact portions 41, the plurality of switching signal terminals 51 generate a second electrode signal different from the first electrode signal, that is, the left contact portion 41 is a negative electrode, corresponding to the right contact. The portion 41 is a positive electrode to form a dual circuit design. Therefore, when the signals transmitted by the contact portions 41 through the plurality of switching signal terminals 51 are not the first or second electrode signals, the contact between the contact portion 41 and the conductive member 7 is incorrect. In other words, the circuit design of the plurality of switching signal terminals 51, the two conductive elements 7 and the two contact portions 41 matched with the substrate 4 can achieve the button signal detection function to ensure that the switch can be properly started.

As shown in the first and second figures, the base 2 further includes a waterproof gasket 22 which is sleeved outside the wall 21 for inserting into a corresponding docking groove 8 (as shown in the fourth figure). The outer surface of the wall 21 extends outwardly from a platform 23, and includes a plurality of recesses 231. The waterproof gasket 22 is provided with a plurality of latches 221 corresponding to the plurality of recesses 231 for engaging the plurality of recesses 231. The platform 23 and the waterproof gasket 22 are vertically adjacent to each other to form a stepped shape. The stepped configuration formed by the fitting of the waterproof gasket 22 and the platform 23 can improve the waterproofness of the push switch structure 1 after being installed on the application end product, so that the external moisture is not easily pressed by the switch structure 1 and the application end product. The docking groove 8 penetrates at the junction, which causes the internal electronic components of the application end product to be damp, thereby affecting the function of the application end product.

Referring to the fourth and fifth figures, the push switch structure 1 of the present invention presses the top of the cap 1 to move the pressing unit 3 toward the accommodating space 20 of the susceptor 2 while pressing the two conductive elements. 7, causing the two conductive elements 7 to deform, and electrically contacting the contact portion 41 on the substrate 4, and then the communication terminal group 5 transmits telecommunications to activate the function set by the push switch structure 1. At this time, the light-emitting elements 62 are The programmable control element 42 is configured to generate different illumination modes, the light emitted by the cap 31 being exposed to indicate that the switch has been turned on, and the illumination of the illumination element 62 exhibits the function of the push switch structure 1. Change the sense of sight.

In summary, the push switch structure 1 of the present invention utilizes the light-emitting elements 62 on the flexible cable 61 to display different illumination modes in conjunction with the pressing of the pressing unit 3, so as to provide a visual sense of multiple changes, effectively solving the problem that the conventional push switch cannot be represented. Whether the pressing is in place, and the controlled function cannot provide the disadvantage of visual feedback, and the setting of the light-emitting element 62 of the present invention is close to the cap 31, which can increase the brightness exposed, and can be easily repaired by the detachment of the pressing unit 3. Or replace the light module 6. In addition, the waterproof gasket 22 and the platform 23 form a stepped waterproof gas infiltration structure, which effectively improves the disadvantage that the inside of the conventional switch is easily infiltrated into the water by the outside.

The above detailed description is intended to be illustrative of a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are intended to be included in the scope of the patents covered by the present invention.

Press the switch structure. . 1
Pedestal. . . . . . 2
Housing space. . . . 20
Slot. . . . . . 201
Wall. . . . . . twenty one
Fixed part. . . . . 211
Positioning box. . . . . 212
Waterproof gasket. . . . twenty two
Cards. . . . . . 221
platform. . . . . . twenty three
Groove. . . . . . 231
Press the unit. . . . 3
Cap. . . . . . 31
Bending section. . . . . 311
Connecting the column. . . . . 32
perforation. . . . . . 320
Pressure seat. . . . . 33
Through hole. . . . . . 330
Substrate. . . . . . 4
Signal terminal group. . . 5
Light module. . . . 6
Soft cable. . . . . 61
Light-emitting elements. . . . 62
illuminator. . . . . 63
Extended section. . . . . 611
Conductive components. . . . 7

Claims (8)

A pressing switch structure includes: a base comprising a wall body and an accommodating space formed by the wall body, the wall body having a fixing portion; a pressing unit comprising a cap and an extension a connecting post on one side of the cap, movably connected to the receiving space of the base, the cap having a light transmissive bending portion and a fixing portion of the base forming a space therebetween a substrate disposed in the accommodating space of the pedestal, wherein the substrate is provided with at least one contact portion; a illuminating module comprising a flexible louver and a plurality of illuminating elements disposed on the splicing line, the soft The wire is disposed along the fixing portion of the base, and includes an extending portion, one end of which extends to one side of the flexible cable, and the other end of which is electrically connected to the substrate, wherein the light emitting elements are located in the interval; the signal terminal group And electrically connected to the substrate; and at least one conductive element having flexibility, disposed above the contact portion of the substrate, and between the substrate and the connecting post of the pressing unit, when the pressing unit is pressed Pressing the conductive element to cause the conductive element to be generated And electrically contacting the contact portion, and transmitting a signal through the signal terminal group, thereby turning on the push switch structure, and causing the light-emitting elements to generate a plurality of light-emitting modes; wherein the pressing unit further comprises a pressing seat, Removably attached to the bottom of the connecting post for pressing the at least one conductive element. The push switch structure according to claim 1, wherein the base further comprises a waterproof gasket sleeved on the outside of the wall for inserting into a corresponding docking groove. The push switch structure according to claim 2, wherein the outer surface of the wall of the base extends outwardly from a platform, and includes a plurality of grooves, the waterproof pad The plurality of clips are disposed on the plurality of recesses for inserting the plurality of recesses into the plurality of recesses, so that the platform and the waterproof gasket are adjacent to each other to form a stepped shape. The push switch structure according to claim 1, wherein the fixing portion of the wall body is formed on an outer surface of the wall body and adjacent to a top of the base, the fixing portion includes a positioning frame for receiving Hold and position the flexible cable. The push switch structure according to claim 1, wherein the interval between the bent portion of the cap and the fixed portion of the base is open at one end of the cap and the bent portion is extended. Up to the light-emitting elements. The push switch structure according to claim 1, wherein the substrate further has a programmable control element for presetting the illumination modes of the light-emitting elements. The push switch structure according to claim 1, wherein the at least one conductive element has two numbers, which are spaced apart from each other for receiving the pressing force of the pressing unit on average. The push switch structure of claim 7, wherein the substrate is provided with two contact portions corresponding to the two conductive elements, the signal terminal group includes a plurality of power terminals, a plurality of switch signal terminals, and is used to trigger the a plurality of trigger terminals of the light-emitting elements, wherein the plurality of switch signal terminals are respectively coupled to the two contact portions, and when the conductive elements are not in contact with the contact portions, the plurality of switch signal terminals provide a first electrode signal, when the When the conductive element electrically contacts the contacts, the plurality of switch signal terminals generate a second electrode signal different from the first electrode signal.