Button switch

Abstract

One embodiment of the invention provides a button switch, which comprises a button, a shading body, a silica gel key and a PCB assembly, and is characterized in that the top surface of the button is provided with a light-transmitting area I and a light-transmitting area II; the shading body is arranged at the lower end of the button, a first light guide groove and a second light guide groove are formed in the shading body, and a light guide body is arranged in the second light guide groove; the silica gel key is arranged between the light shielding body and the PCB assembly; the PCB assembly is arranged below the light shielding body and provided with a first indicating lamp and a second indicating lamp, the first indicating lamp and the first light-transmitting area are correspondingly arranged at the two ends of the first light guide groove, and the second indicating lamp and the second light-transmitting area are correspondingly arranged at the two ends of the second light guide groove. The silica gel key is provided with an isolation mechanism I, and the isolation mechanism I is at least partially arranged between the indication lamp I and the indication lamp II so as to realize light isolation of the indication lamp I and the indication lamp II. Brightness difference of the first light-transmitting area and the second light-transmitting area can be achieved, the light channeling situation is reduced, and the light channeling prevention effect is good.

Description

Technical Field

[0001] The present invention relates to the technical field of switches, and in particular to a push button switch. Background Art

[0002] Nowadays, switches are used in many situations. For example, many push button switches are used in cars. Push button switches generally have light indicators. Usually, a push button switch has two different light indicators: backlight and function light. The backlight is mainly used to indicate the position of the button, and the backlight is mainly used to indicate whether the button is turned on. Due to their different functions, the brightness of the backlight and function light varies greatly. The brightness of the function light can reach 1300cd / m 2 , which is about 220 times the brightness of the backlight.

[0003] In the prior art, the light-transmitting areas of indicator light 1 and indicator light 2 are generally made of two different light-transmitting materials, and a substrate is added to support the two light-transmitting areas. This requires the use of a 3K injection molding process when manufacturing the button. This manufacturing process is costly and inefficient.

[0004] Furthermore, existing technologies lack effective light crosstalk protection, and light crosstalk can occur at higher brightness levels. This is especially true when the brightness difference between the backlight and the functional lights is significant, necessitating a light crosstalk protection design between the two lights to prevent interference and malfunctions. Summary of the Invention

[0005] An embodiment of the present invention provides a push button switch, which realizes brightness differentiation between a first light-transmitting area and a second light-transmitting area and reduces light crosstalk.

[0006] In order to solve the above technical problems, the technical solution of the present invention is: a push button switch, comprising:

[0007] A button, wherein the top surface of the button is provided with a light-transmitting area 1 and a light-transmitting area 2;

[0008] a light shielding body, disposed at the lower end of the button, wherein a first light guide groove and a second light guide groove are provided in the light shielding body, and a light guide body is provided in the second light guide groove;

[0009] A silicone button is provided between the light shielding body and the PCB assembly;

[0010] a PCB assembly disposed below the light-shielding body, the PCB assembly being provided with an indicator light 1 and an indicator light 2, the indicator light 1 being disposed at both ends of the light guide groove 1 corresponding to the light-transmitting area 1, and the indicator light 2 being disposed at both ends of the light guide groove 2 corresponding to the light-transmitting area 2;

[0011] Among them, the silicone button is provided with an isolation mechanism 1, and the isolation mechanism 1 is at least partially arranged between the indicator light 1 and the indicator light 2 to achieve light isolation between the indicator light 1 and the indicator light 2.

[0012] Furthermore, in the above-mentioned button switch, the button includes an outer upper shell and an inner upper shell, the light-transmitting area 1 and the light-transmitting area 2 are connected to the inner upper shell, and the outer upper shell is covered on the outside of the inner upper shell and fixedly connected to the inner upper shell.

[0013] Furthermore, in the above-mentioned push button switch, the light-transmitting area 1 and the light-transmitting area 2 are made of light-colored light-transmitting plastic materials, and the light-transmitting area 1, the light-transmitting area 2 and the inner upper shell are integrally molded by one-time injection molding; the outer upper shell is made of dark-colored light-blocking plastic material, and is integrally molded with the inner upper shell by secondary injection molding.

[0014] Furthermore, in the above-mentioned push button switch, the isolation mechanism 1 includes a light shield 1, which is arranged on the silicone button and covers the outside of the indicator light 1, and the top of the light shield 1 abuts against the bottom of the light shielding body.

[0015] Furthermore, in the above-mentioned push button switch, the light shield 1 includes an inner light shielding portion and an outer light shielding portion, the inner light shielding portion is a cylindrical structure, the outer light shielding portion is arranged outside the inner light shielding portion, the outer light shielding portion is an arc-shaped cover arranged coaxially with the inner light shielding portion, the lower end of the outer light shielding portion is connected to the silicone button, the upper end of the outer light shielding portion is connected to the upper end of the inner light shielding portion, the upper end of the inner light shielding portion abuts against the bottom of the light shielding body, and the inner cavity of the inner light shielding portion is connected to the light guide groove 1. Preferably, the inner cavity of the inner light shielding portion is a tapered groove, the tapered groove is larger at the top and smaller at the bottom, and the aperture of the upper end of the tapered groove is equal to the aperture of the bottom end of the light guide groove 1.

[0016] Furthermore, in the above-mentioned push button switch, the isolation mechanism 1 also includes a light shield 2, which is arranged on the silicone button and covers the outside of the indicator light 2. The upper end of the light shield 2 protrudes from the silicone button body and extends to the interior of the light guide groove 2, and the lower end of the light guide body is inserted into the inner cavity of the light shield 2.

[0017] Furthermore, in the above-mentioned push button switch, an isolation mechanism 2 is provided between the top of the light-shielding body and the button, and the isolation mechanism 2 includes an isolation plate 1 and a light-blocking boss 1. The isolation plate 1 is provided between the light-guiding groove 1 and the light-guiding groove 2. The isolation plate 1 is provided on the light-shielding body, and the upper end of the isolation plate 1 protrudes from the light-shielding body main body and extends to be inserted into the interior of the inner upper shell. The light-blocking boss 1 is protruded from the bottom surface of the outer upper shell main body and is adjacent to the isolation plate 1, and the light-blocking boss 1 extends to the interior of the light-guiding groove 2.

[0018] Furthermore, in the above-mentioned push button switch, there are multiple indicator lights 2, the light shielding body is provided with multiple light guide grooves 2 corresponding to the indicator lights 2, the silicone button is provided with multiple light shields 2 corresponding to the indicator lights 2, and an isolation mechanism 3 is provided between adjacent light guide grooves 2.

[0019] Furthermore, in the above-mentioned button switch, the isolation mechanism three includes an isolation plate two and a light-blocking boss two. The isolation plate two is provided between adjacent light-guiding grooves two. The bottom surface of the outer upper shell body is provided with multiple light-blocking bosses two. The multiple light-blocking bosses two are arranged in a one-to-one correspondence with the isolation plate two. The bottom end of each isolation plate two is connected to the inner wall of the corresponding light-guiding groove two, and the top end of each isolation plate two extends upward to abut against the corresponding light-blocking boss two.

[0020] Furthermore, in the above-mentioned push button switch, the light guide is fixedly connected to the light shading body, and a plurality of positioning bosses 1 are provided on the outside of the light guide, and the positioning boss 1 abuts against the inner wall of the light guide groove 2. A positioning boss 2 is also provided at the lower end of the light guide groove 2, and a positioning step is provided at the lower end of the light guide groove 2. A guide groove adapted to the positioning step is provided in the middle of the positioning boss 2, and the top of the positioning boss 2 abuts against one side of the positioning step.

[0021] Furthermore, the above-mentioned button switch also includes a shell and a base, the silicone button and PCB assembly are fixed on the base, the shell is covered on the outside of the base and the light-shielding body, and the upper end of the shell is inserted into the button, and the lower end of the shell is connected to the base by a snap.

[0022] Furthermore, in the above-mentioned push button switch, at least one slide bar is provided inside the shell, the slide bar is connected to the inner wall of the shell through a connecting rib 1, and a slide groove corresponding to the slide bar is provided outside the light shielding body.

[0023] Furthermore, in the aforementioned push button switch, the lower end of the housing is provided with a snap plate, with open slots on both sides of the snap plate, a second snap slot in the middle of the snap plate, and a second snap latch on the outer side of the base that engages with the second snap slot. Preferably, at least one positioning rod is further provided inside the housing, connected to the inner side wall of the housing via a second connecting rib, and positioning holes are provided through the silicone button, PCB assembly, and base, with the positioning rod engaging the positioning hole.

[0024] Compared with the prior art, the present invention has a stable structure and excellent dust and water resistance. Light-transmitting areas 1 and 2 are made of the same material and are integrally molded. Through 2K injection molding, the button is integrally molded, simplifying the mold structure and button molding process. This reduces the unit cost by 15%, saving costs and improving production efficiency and quality. Furthermore, by configuring isolation mechanism 2, isolation mechanism 1, and isolation mechanism 2, the present invention prevents any light from crossing between indicator lights 2, and between indicator lights 2 and 1, which have large brightness differences, thus effectively preventing light from crossing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 This is a schematic structural diagram of a push button switch according to the present invention;

[0027] Figure 2 Schematic top view of the push button switch of the present invention;

[0028] Figure 3 for Figure 2 A cross-sectional structural diagram;

[0029] Figure 4 for Figure 2 Schematic diagram of the cross-section structure of B;

[0030] Figure 5 This is a schematic diagram of the outer upper shell structure of the push button switch of the present invention;

[0031] Figure 6 Schematic diagram of the inner upper shell structure of the push button switch of the present invention;

[0032] Figure 7 Schematic diagram of the light shielding structure of the push button switch of the present invention;

[0033] Figure 8 Schematic diagram of the light guide structure of the push button switch of the present invention;

[0034] Figure 9 The figure is a schematic diagram of the shell structure of the push button switch of the present invention.

[0035] In the figure: 1, button; 11, light-transmitting area 1; 12, light-transmitting area 2; 13, outer upper shell; 131, light-blocking boss 1; 132, light-blocking boss 2; 14, inner upper shell; 141, extension plate; 142, slot 1; 143, extension portion;

[0036] 2. Light shield; 21. Light guide groove 1; 22. Light guide groove 2; 23. Buckle 1; 24. Isolation plate 1; 26. Isolation plate 2; 27. Positioning step; 28. Slide groove;

[0037] 3. Silicone button; 31. Light shield 1; 311. Inner light shield; 312. Outer light shield; 32. Light shield 2;

[0038] 4. PCB assembly; 41. Indicator light 1; 32. Indicator light 2;

[0039] 5. Light guide; 51. Positioning boss 1; 52. Positioning boss 2;

[0040] 6. Isolation institution 1;

[0041] 7. Isolation institution II;

[0042] 8. Housing; 81. Slide bar; 82. Connecting rib 1; 83. Snap plate; 84. Slot 2; 85. Positioning rod; 86. Connecting rib 2;

[0043] 9. Base; 91. Buckle 2. DETAILED DESCRIPTION

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0045] In one embodiment of the present invention, Figure 1-9 As shown, a push button switch includes:

[0046] Button 1, button 1 having a top surface provided with a light-transmitting area 11 and a light-transmitting area 2 12; a light-shielding body 2, disposed at the lower end of button 1; light-shielding body 2 having light-guiding groove 1 21 and light-guiding groove 2 22, light guide 5 disposed within light guide groove 2 2; a silicone keypad 3, disposed between light-shielding body 2 and PCB assembly 4; PCB assembly 4, disposed below light-shielding body 2, having indicator light 1 41 and indicator light 2 42 disposed on PCB assembly 4; indicator light 1 41 being disposed at opposite ends of light guide groove 1 21 corresponding to light-transmitting area 11, and indicator light 2 42 being disposed at opposite ends of light guide groove 2 22 corresponding to light-transmitting area 2 12;

[0047] The silicone button 3 is provided with an isolation mechanism 6 , which is at least partially disposed between the indicator light 1 41 and the indicator light 2 42 to achieve light isolation between the indicator light 1 41 and the indicator light 2 42 .

[0048] In some embodiments of the present invention, indicator light 1 41 and indicator light 2 42 are backlight and function light respectively, and light-transmitting area 1 11 and light-transmitting area 2 12 are backlight and function light respectively, but this is not limited to this, and switches of both types of indicator lights are applicable.

[0049] In one embodiment of the present invention, a light guide 5 is provided in the light guide groove 22, and no light guide is provided in the light guide groove 1 21. When the indicator light 1 41 and the indicator light 2 42 are lit, the light emitted by the indicator light 1 41 is guided to the light transmission area 11 through the light guide groove 1 21, and the light emitted by the indicator light 2 42 is guided to the light transmission area 11 through the light guide groove 22 and the light guide 5. The indicator light 1 41 will be reflected in the light guide groove 1 21, and part of the light of the indicator light 1 41 cannot be guided to the light transmission area 11. The light guide body 5 can optically guide most of the indicator light 2 42 to the light transmission area 2 12 through the light guide body 5. Therefore, there will be a difference in brightness between the light transmission area 11 and the light transmission area 2 12. The brightness of the light transmission area 2 12 will be significantly higher than that of the light transmission area 12, thereby meeting the brightness difference displayed by the backlight light transmission area and the function light light transmission area. The light guide groove 1 21 and the light guide groove 2 22 are optically isolated by the isolation mechanism 1 6, thereby achieving a high brightness difference effect between the indicator light 1 41 and the indicator light 2 42, and the lights between the two do not affect each other.

[0050] In one embodiment of the present application, Figure 1 、 3 As shown in FIG. 6 , the button 1 includes an outer upper shell 13 and an inner upper shell 14 . The outer upper shell 13 is covered on the outside of the inner upper shell 14 and is fixedly connected to the inner upper shell 14 .

[0051] Specifically, light-transmitting area 11 and light-transmitting area 2 12 are connected to the inner upper shell 14 and are integrally formed with the inner upper shell 14 through a single injection molding process. Light-transmitting area 11, light-transmitting area 2 12, and the inner upper shell 14 are all made of a light-colored, light-transmitting plastic material. In some embodiments, light-transmitting area 11, light-transmitting area 2 12, and the inner upper shell 14 are made of the same gray, light-transmitting material. When indicator light 1 41 and indicator light 2 42 are both off, light-transmitting area 11 and light-transmitting area 2 12 have the same color. When indicator light 1 41 and indicator light 2 42 are both on, light-transmitting area 11 and light-transmitting area 2 12 exhibit different brightness levels due to the significant brightness difference.

[0052] The outer upper shell 13 is made of a dark, light-blocking plastic material. In some embodiments, the outer upper shell 13 is made of a black, light-blocking material. The outer upper shell 13 is integrally formed with the inner upper shell 14 via a secondary injection molding process. The first and second light-transmitting regions 11, 12 protrude from the inner upper shell 14 and are embedded within the outer upper shell 13. The outer upper shell 13 and the inner upper shell 14 of the button 1 are integrally formed using the same material and secondary injection molding. This simplifies the mold structure and button molding process, reducing the unit cost by 15%, saving costs and improving production efficiency and quality.

[0053] In one embodiment of the present invention, Figure 3 、 7 As shown, the light shield 2 is also made of a dark, light-isolating material and is fixedly connected to the button 1. An extension plate 141 is provided at the lower end of the inner upper shell 14, extending into the interior of the light shield 2. This extension plate 141 is provided with a snap-on groove 142. A snap-on buckle 23 is provided within the light shield 2, corresponding to the snap-on groove 142. The snap-on buckle 23 engages with the snap-on groove 142. In this embodiment, the snap-on buckle 23 is a beveled boss. The interlocking engagement between the snap-on buckle 23 and the snap-on groove 142 enhances the overall stability and waterproof performance of the switch.

[0054] The top of the outer upper shell 13 is curved for easy pressing. A microswitch is provided on the PCB assembly, and the silicone button 3 is located between the light shield 2 and the PCB assembly. When the button 1 pushes the light shield 2 downward a certain distance, it triggers the microswitch, which controls the on / off of the circuit on the PCB assembly. When force is applied to the button 1, the button 1, light shield 2, and light guide 5 move downward together, triggering the microswitch, turning on the indicator light 2 42, i.e., the function light, and illuminating the silicone button 12 in the light-transmitting area 2. The light shield 1 31 of the silicone button 3 can provide a rebound force to drive the upward movement. After the external force disappears, it pushes the light guide 5, light shield 2, and button 1 to reset. Pressing the button again can turn off the indicator light 2. The indicator light 1, i.e., the backlight, is in a constant-on mode after the car is powered on.

[0055] In one embodiment of the present invention, Figure 3-4 As shown, the isolation mechanism 6 includes a light shield 31, which is disposed on the silicone button 3 and covers the exterior of the indicator light 41. The top of the light shield 31 abuts the bottom of the light shield 2. Furthermore, the light shield 31 is made of an elastic material, such as silicone. Due to the abutment between the light shield 31 and the light shield 2, the light shield 31 can provide a rebound force that drives the light shield 2 upward.

[0056] In the above structure, the light shielding cover 31 includes an inner light shielding portion 311 and an outer light shielding portion 312. The inner light shielding portion 311 is a cylindrical structure, and the outer light shielding portion 312 is arranged outside the inner light shielding portion 311. The outer light shielding portion 312 is an arc-shaped cover coaxially arranged with the inner light shielding portion 311. The lower end of the outer light shielding portion 312 is connected to the main body of the silicone button 3, and the upper end is connected to the upper end of the inner light shielding portion 311. The upper end of the inner light shielding portion 311 abuts against the bottom of the light shielding body 2, and the inner cavity of the inner light shielding portion 311 is connected to the light guide groove 21. Since the upper end of the light shield 31 abuts against the light shielding body 2, and the lower end is connected to the silicone button 3, the silicone button 3, the light shield 31 and the light guide groove 21 form a cavity with closed sides, and the light emitted by the indicator light 41 can only propagate in the light shield 31 and the light guide groove 21, which can improve the light isolation effect. At the same time, an inner light shielding part 311 and an outer light shielding part 312 are provided, and the inner light shielding part 311 is provided in the inner cavity of the outer light shielding part 312, and the top of the inner light shielding part 311 is connected to the top of the outer light shielding part 312, and the bottom end of the inner light shielding part 311 extends downward to the inner cavity of the outer light shielding part 312. A straight cylindrical cover is formed above the indicator light 41. On the one hand, part of the light emitted by the indicator light 41 will be reflected multiple times in the inner cavity of the inner shading portion 311, consuming part of the light energy. On the other hand, after entering the outer shading portion 312, part of the light emitted by the indicator light 41 is more difficult to be reflected into the light guide groove 21 due to the obstruction of the inner shading portion 311. Therefore, the arrangement of the inner shading portion 311 and the outer shading portion 312 can indicate the light of the indicator light 41 entering the light guide groove 21, thereby reducing the brightness of the light transmission area 1 (backlight light transmission area), and achieving a high brightness difference effect between the backlight light transmission area and the functional light transmission area.

[0057] When button 1 is pressed, light shield 2 presses down light shield 1 31, which produces elastic deformation. When the micro switch is triggered, indicator light 2 42 is turned on. When button 1 is released, light shield 1 31 pushes light shield 2 and button 1 to reset under the action of elastic restoring force.

[0058] In one embodiment of the present invention, the first isolation mechanism 6 further includes a second light shield 32, which is disposed on the silicone button 3 and covers the exterior of the second indicator light 42. The upper end of the second light shield 32 protrudes from the main body of the silicone button 3 and extends into the interior of the second light guide groove 22. The lower end of the light guide 5 is inserted into the inner cavity of the second light shield 32. The second light shield 32 is made of an elastic material.

[0059] The indicator light 2 42 is set in the inner cavity of the light shield 32, which can further prevent the problem of light leakage. When the light guide 5 is inserted into the inner cavity of the light shield 32, the light emitted by the indicator light 2 42 in the light shield 32 will be guided by the light guide 5 to the light-transmitting area 2 12, avoiding the light of the indicator light 2 42 from being consumed in the light guide groove 2 22. While improving the light guiding effect of the light guide 5, the anti-light leakage effect of the lower end of the light guide groove 2 22 can also be improved.

[0060] In one embodiment of the present invention, Figure 3 As shown, an isolation mechanism 27 is provided between the top of the light-shielding body 2 and the button 1, and the isolation mechanism 27 includes an isolation plate 24 and a light-blocking boss 131. The isolation plate 24 is provided between the light-guiding groove 21 and the light-guiding groove 22. The isolation plate 24 is provided on the light-shielding body 2, and the upper end of the isolation plate 24 protrudes from the main body of the light-shielding body 2 and extends to be inserted into the interior of the inner upper shell 14. The light-blocking boss 131 is protruded from the bottom surface of the main body of the outer upper shell 13 and is adjacent to the isolation plate 24. The light-blocking boss 131 extends to the interior of the light-guiding groove 22, and the top of the main body of the light-shielding body 2 abuts against the bottom surface of the main body of the inner upper shell 14, and the bottom surface of the main body of the inner upper shell 14 has an extension portion 143 extending into the light-guiding groove 21, and the shape of the extension portion 143 is adapted to the shape of the light-guiding groove. In this embodiment, the main body of the outer upper shell 13 is a curved plate at the upper end, and the main body of the inner upper shell 14 is a curved plate that overlaps the main body of the outer upper shell 13. Because the isolation plate 1 24 and the light-blocking boss 1 131 are both made of light-isolating materials, the isolation mechanism 2 6 isolates the upper ends of the light guide slot 1 21 from the upper ends of the light guide slot 2 22, preventing light from leaking from the upper ends.

[0061] In one embodiment of the present invention, Figure 1 、 4 As shown, there are multiple indicator lights 42, multiple light guide grooves 22 corresponding to the indicator lights 42 are provided on the light shielding body 2, multiple light shields 32 corresponding to the indicator lights 42 are provided on the silicone button 3, and an isolation mechanism 3 is provided between adjacent light guide grooves 22.

[0062] like Figure 1 、 4As shown in FIG. 7 , the isolation mechanism 3 includes an isolation plate 26 and a light-blocking boss 2 132 . An isolation plate 26 is provided between adjacent light-guiding grooves 22 . The main body bottom surface of the outer upper shell 13 is provided with multiple light-blocking bosses 2 132 . Multiple light-blocking bosses 2 132 are arranged one-to-one with the isolation plates 2 26 . The bottom end of each isolation plate 26 is connected to the inner wall of the corresponding light-guiding groove 2 22 , and the top end of each isolation plate 26 extends upward to abut the corresponding light-blocking boss 2 132 . In this embodiment, the light-blocking boss 2 132 is T-shaped, including a transverse portion and a longitudinal portion. The transverse portion of the light-blocking boss 2 132 overlaps with the isolation plate 26 and abuts the top surface of the isolation plate 2 26 , while the longitudinal portion of the light-blocking boss 2 132 abuts the top surface of the outer wall of the light-shielding body 2 . The configuration of the isolation mechanism 3 prevents any light from crossing between the indicator lights 2 42 , or between the indicator light 2 42 and the indicator light 1 41 .

[0063] In one embodiment of the present invention, Figure 1 、 3 As shown in Figures 8 and 9, the light guide 5 is fixedly connected to the light shield 2. The light guide 5 is provided with a plurality of first positioning bosses 51 on its exterior. These bosses abut the inner sidewalls of the second light guide groove 22 and have an introductory slope. The light guide 5 is also provided with a second positioning boss 52 at its lower end. The second light guide groove 22 has a positioning step 27 at its lower end. The middle portion of the second positioning boss 52 has a guide groove that mates with the positioning step 27, and the top of the second positioning boss 52 abuts one side of the positioning step 27. To install the light guide 5, the light guide 5 is inserted into the second light guide groove 22. The first positioning bosses 51 and second positioning bosses 52 define the position of the light guide 5 within the second light guide groove 22. The light guide 5 is then fixedly connected to the light shield 2 by bonding or other means.

[0064] In one embodiment of the present invention, Figure 1 、 3 As shown in Figure 4, the push button switch further includes a housing 8 and a base 9. The silicone button 3 and PCB assembly 4 are fixed to the base 9. The housing 8 covers the base 9 and the exterior of the light shield 2, and the upper end of the housing 8 is inserted into the button 1. The housing 8 and base 9 protect the internal components of the switch and are dust-proof and waterproof.

[0065] In one embodiment of the present invention, Figure 3-4As shown in Figures 9 and 9, at least one slide bar 81 is provided within the housing 8. Slide bar 81 is connected to the inner sidewall of the housing 8 via a connecting rib 82, providing a stable structure. A slide groove 28 is provided on the exterior of the light shield 2, corresponding to the slide bar 81. The slide bar 81 and the slide groove 28 guide the vertical movement of the light shield 2, ensuring a more stable and smooth operation. Furthermore, the slide groove 28 is tapered, with the slide bar 82 conforming to the shape of the slide groove 28. This allows the slide bar 81 to be aligned with the slide groove 28 during installation, improving installation convenience. It also guides the vertical movement of the light shield 2, ensuring stable triggering when the switch is pressed.

[0066] To facilitate the disassembly and assembly of the push button switch, Figure 1 、 3 As shown in Figure 4, the housing 8 is connected to the base 9 by snapping. A snap plate 83 is provided at the lower end of the housing 8. Open slots are provided on both sides of the snap plate 83, creating elasticity between the snap plate 83 and the main body of the housing 8, allowing a second snap 91 to easily snap into the second snap slot 83. A second snap slot 84 is provided in the middle of the snap plate 83, and a second snap 91 is provided on the outer side of the base 9 to snap into the second snap slot 84. In this embodiment, the second snap 91 is also a boss structure with an inclined surface.

[0067] In one embodiment of the present invention, Figure 4 、 9 As shown, at least one positioning rod 85 is further provided inside the housing 8. Positioning rod 85 is connected to the inner wall of the housing 8 via a second connecting rib 86. Positioning holes are provided through the silicone button 3, PCB assembly 4, and base 9. Positioning rod 85 engages with the positioning holes to guide the connection between the housing 8 and base 9. Furthermore, a slide bar 81 and positioning rod 85, located on the same inner wall of the housing 8, are aligned along the same straight line. Furthermore, a first connecting rib 82 and a second connecting rib 86 on the same inner wall connect, further strengthening the connection between the slide bar 81 and positioning rod 85.

[0068] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0069] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A push button switch, characterized in that: include: A button, wherein the top surface of the button is provided with a light-transmitting area 1 and a light-transmitting area 2; a light shielding body, disposed at the lower end of the button, wherein a first light guide groove and a second light guide groove are provided in the light shielding body, and a light guide body is provided in the second light guide groove; a PCB assembly disposed below the light-shielding body, the PCB assembly being provided with an indicator light 1 and an indicator light 2, the indicator light 1 being disposed at both ends of the light guide groove 1 corresponding to the light-transmitting area 1, and the indicator light 2 being disposed at both ends of the light guide groove 2 corresponding to the light-transmitting area 2; A silicone button is provided between the light shielding body and the PCB assembly; Among them, the silicone button is provided with an isolation mechanism 1, and the isolation mechanism 1 is at least partially arranged between the indicator light 1 and the indicator light 2 to achieve light isolation between the indicator light 1 and the indicator light 2.

2. The push button switch according to claim 1, wherein: The button includes an outer upper shell and an inner upper shell. The light-transmitting area 1 and the light-transmitting area 2 are connected to the inner upper shell. The outer upper shell covers the outside of the inner upper shell and is fixedly connected to the inner upper shell.

3. The push button switch according to claim 2, characterized in that: The light-transmitting area 1 and the light-transmitting area 2 are made of light-colored light-transmitting plastic material, and the light-transmitting area 1, the light-transmitting area 2 and the inner upper shell are integrally formed by one-time injection molding; the outer upper shell is made of dark-colored light-isolating plastic material, and is integrally formed with the inner upper shell by secondary injection molding.

4. The push button switch according to claim 2, wherein: The isolation mechanism 1 includes a light shield 1, which is arranged on the silicone button and covers the outside of the indicator light 1. The top of the light shield 1 abuts against the bottom of the light shield.

5. The push button switch according to claim 4, characterized in that: The light-shielding cover includes an inner light-shielding part and an outer light-shielding part, the inner light-shielding part is a cylindrical structure, the outer light-shielding part is arranged outside the inner light-shielding part, the outer light-shielding part is an arc-shaped cover arranged coaxially with the inner light-shielding part, the lower end of the outer light-shielding part is connected to the silicone button, the upper end of the outer light-shielding part is connected to the upper end of the inner light-shielding part, the upper end of the inner light-shielding part abuts against the bottom of the light-shielding body, and the inner cavity of the inner light-shielding part is connected to the light-guide groove one.

6. The push button switch according to claim 4, characterized in that: The isolation mechanism 1 also includes a light shield 2, which is arranged on the silicone button and covers the outside of the indicator light 2. The upper end of the light shield 2 protrudes from the silicone button and extends to the interior of the light guide groove 2. The lower end of the light guide body is inserted into the inner cavity of the light shield 2.

7. The push button switch according to claim 2 or 4, characterized in that: An isolation mechanism 2 is provided between the top of the light-shielding body and the button, and the isolation mechanism 2 includes an isolation plate 1 and a light-blocking boss 1. The isolation plate 1 is provided between the light-guiding groove 1 and the light-guiding groove 2. The isolation plate 1 is provided on the light-shielding body, and the upper end of the isolation plate 1 protrudes from the light-shielding body main body and extends to be inserted into the interior of the inner upper shell. The light-blocking boss 1 is protruded from the bottom surface of the outer upper shell main body and is adjacent to the isolation plate 1, and the light-blocking boss 1 extends to the interior of the light-guiding groove 2.

8. The push button switch according to claim 2, wherein: There are multiple indicator lights 2, multiple light guide grooves 2 corresponding to the indicator lights 2 are provided on the light shielding body, multiple light shields 2 corresponding to the indicator lights 2 are provided on the silicone button, and isolation mechanisms 3 are provided between adjacent light guide grooves 2.

9. The push button switch according to claim 8, characterized in that: The isolation mechanism three includes an isolation plate two and a light-blocking boss two. The isolation plate two is provided between adjacent light-guiding grooves two. The bottom surface of the outer upper shell body is provided with multiple light-blocking bosses two. The multiple light-blocking bosses two are arranged in a one-to-one correspondence with the isolation plate two. The bottom end of each isolation plate two is connected to the inner wall of the corresponding light-guiding groove two, and the top end of each isolation plate two extends upward to abut against the corresponding light-blocking boss two.

10. The push button switch according to claim 9, characterized in that: The light guide is fixedly connected to the light shading body, and a plurality of positioning bosses 1 are provided on the outside of the light guide, and the positioning boss 1 abuts against the inner wall of the light guide groove 2. A positioning boss 2 is also provided at the lower end of the light guide, and a positioning step is provided at the lower end of the light guide groove 2. A guide groove adapted to the positioning step is provided in the middle of the positioning boss 2, and the top of the positioning boss 2 abuts against one side of the positioning step.

11. The push button switch according to claim 1, wherein: It also includes a shell and a base, the silicone button and PCB assembly are fixed on the base, the shell is covered on the outside of the base and the light-shielding body, and the upper end of the shell is inserted into the button, and the lower end of the shell is snap-connected to the base.

12. The push button switch according to claim 11, characterized in that: At least one slide bar is provided inside the shell, and the slide bar is connected to the inner wall of the shell through a connecting rib 1. A slide groove corresponding to the slide bar is provided outside the light shielding body.

13. The push button switch according to claim 11, wherein: A snap plate is provided at the lower end of the shell, open slots are provided on both sides of the snap plate, a second snap slot is provided in the middle of the snap plate, and a second snap slot is provided on the outer side of the base for snapping with the second snap slot.

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