Multifunctional solid silica gel key structure

Abstract

The utility model relates to the technical field of solid silica gel keys, and discloses a multifunctional solid silica gel key structure, which comprises a PCB (printed circuit board), an external protective shell, a top dustproof cover, a solid silica gel button and a signal input touch platform, the middle part of the top surface of the PCB is fixedly connected with the signal input touch platform, the top surface of the PCB is fixedly connected with the external protective shell, and the signal input touch platform is fixedly connected with the top dustproof cover. The top surface of the external protective shell is fixedly connected with a top dustproof cover, the inner side of the top dustproof cover is fixedly connected with a solid silica gel button, and the internal sealing elastic reset assembly is arranged in the PCB; according to the utility model, double-layer sealing is formed through the sealing supporting sleeve and the sealing ring, the protection grade reaches IP65, and the service life is prolonged; the reset spring and the sliding key form an elastic system, so that stable reset and clear feedback of the key are ensured; and the T-shaped sliding groove and the clamping rod are rapidly disassembled and assembled, the maintenance cost is reduced, and the dustproof performance is enhanced.

Description

A multifunctional solid silicone button structure Technical Field

[0001] This utility model relates to the field of solid silicone button technology, specifically a multifunctional solid silicone button structure. Background Technology

[0002] With the widespread use of electronic devices, silicone buttons are widely used in various terminal device interaction scenarios due to their excellent heat resistance, cold resistance, insulation, and fatigue resistance. However, existing technologies have significant shortcomings: limited functionality, only enabling basic pressing and failing to meet the pressure sensing requirements of smart devices; fixed structural form, mostly integral molding, making disassembly and maintenance difficult, and prone to problems such as button jamming and stiff feel after long-term use; and poor protection performance, with gaps between the buttons and the control panel allowing external impurities and moisture to penetrate, contaminating and corroding internal circuits, especially in scenarios with high protection requirements.

[0003] With the popularization of 5G and IoT technologies, various devices have higher requirements for the functionality and environmental adaptability of interactive components, such as supporting multi-level pressure feedback. Traditional silicone buttons are difficult to meet these requirements due to material compatibility and structural integration issues. At the same time, device miniaturization requires buttons to be compact and easy to maintain. Traditional designs cannot meet the needs of modular upgrades. Therefore, we propose a multi-functional solid silicone button structure. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a multifunctional solid silicone button structure that solves the aforementioned problems.

[0006] (II) Technical Solution

[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0008] A multifunctional solid silicone button structure includes a PCB board, an outer protective shell, a top dust cover, a solid silicone button, and a signal input touchpad. The signal input touchpad is fixedly connected to the center of the top surface of the PCB board. The outer protective shell is fixedly connected to the top surface of the PCB board. The top dust cover is fixedly connected to the top surface of the outer protective shell. The solid silicone button is fixedly connected to the inner side of the top dust cover. The structure also includes:

[0009] An internally sealed elastic reset component is located inside the PCB board to provide internal sealing and waterproof protection, while also ensuring that the solid silicone button has good elastic reset.

[0010] The top dustproof snap-fit ​​assembly is located between the outer protective shell and the top dustproof cover, and is used for convenient installation and dust protection between the outer protective shell and the top dustproof cover.

[0011] Preferably, the bottom surface of the top dust cover has an internal mounting hole, and a solid silicone button is fixedly connected to the inner side of the internal mounting hole. The bottom surface of the solid silicone button has a bottom sliding groove.

[0012] Preferably, the internal sealing elastic reset assembly includes an internal sealing support sleeve, an internal reset spring, an internal sealing waterproof seal ring, and an internal sliding button. The internal sealing support sleeve is fixedly connected to the top surface of the PCB board, and the internal sealing waterproof seal ring is slidably connected to the inner side of the internal sealing support sleeve to maintain the sealing and waterproofing inside the internal sealing support sleeve.

[0013] Preferably, an internal reset spring is fixedly connected to the top surface of the PCB board, an internal reset spring is slidably connected to the inner side of the internal sealing support sleeve, an internal waterproof sealing ring is fixedly connected to the top surface of the internal reset spring, an internal sliding button is fixedly connected to the top surface of the internal waterproof sealing ring, an internal sliding button is slidably connected to the inner side of the internal sealing support sleeve, and an internal sliding button is slidably connected to the inner side of the bottom sliding groove, for quick elastic reset of the solid silicone button, while sealing and waterproofing to protect the signal input touch panel.

[0014] Preferably, the top dustproof locking assembly includes a locking sliding rod, the top surface of the outer protective shell is provided with equidistantly distributed top locking sliding grooves, and the bottom surface of the top dustproof cover is provided with equidistantly distributed bottom locking sliding grooves. The top locking sliding grooves and the bottom locking sliding grooves form a "T" shape, which is used to lock the locking sliding rod in position.

[0015] Preferably, the cross-section of the snap-fit ​​sliding rod is I-shaped, and the snap-fit ​​sliding rod is slidably connected to the inner side of the top snap-fit ​​sliding groove and the bottom snap-fit ​​sliding groove for snap-fit ​​connection with the top snap-fit ​​sliding groove and the bottom snap-fit ​​sliding groove.

[0016] (III) Beneficial Effects

[0017] Compared with the prior art, the advantages of this utility model are:

[0018] A multifunctional solid silicone button structure is provided, which has the following advantages:

[0019] This invention utilizes a double-layer sealing structure formed by the sealing support sleeve and waterproof sealing ring in the internal sealing elastic reset assembly. This effectively prevents external moisture and dust from entering the interior, avoiding poor contact caused by contamination and corrosion of the signal input touch panel. The protection level reaches IP65, making it suitable for harsh environments such as humidity and dust, and extending the lifespan of the buttons. The internal reset spring and internal sliding button form an elastic support system. When the solid silicone button is pressed, the spring is compressed, and when released, it quickly resets due to the spring force. Combined with the sliding guide of the bottom sliding groove and the internal sliding button, this ensures stable button travel and clear feedback, avoiding the problems of key jamming or stiff feel caused by the elastic decay of traditional silicone buttons, thus improving the comfort and reliability of input operation. The top dustproof snap-fit ​​assembly uses a "T"-shaped snap-fit ​​sliding groove and an "I"-shaped snap-fit ​​sliding rod to achieve quick snap-fit ​​fixation between the outer protective shell and the top dustproof cover. Disassembly and assembly can be completed without tools, supporting independent replacement of solid silicone buttons and internal components, reducing maintenance costs. At the same time, the snap-fit ​​structure enhances dustproof performance and reduces the entry of external impurities into the button gaps. Attached Figure Description

[0020] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 is a schematic diagram of the overall structure of this utility model disassembled;

[0022] Figure 3 is a cross-sectional schematic diagram of the overall structure of this utility model;

[0023] Figure 4 is a cross-sectional schematic diagram of the dustproof snap-fit ​​component at the top of a portion of the structure in this utility model.

[0024] In the diagram: 1. PCB board; 2. Outer protective shell; 3. Snap-fit ​​sliding rod; 4. Top dust cover; 5. Solid silicone button; 6. Signal input touch panel; 7. Top snap-fit ​​sliding groove; 8. Internal sealing support sleeve; 9. Internal return spring; 10. Internal sealing waterproof sealing ring; 11. Internal sliding button; 12. Bottom snap-fit ​​sliding groove; 13. Internal mounting holes; 14. Bottom sliding groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please refer to Figures 1-4. This utility model provides a technical solution:

[0027] A multifunctional solid silicone button structure includes a PCB board 1, an outer protective shell 2, a top dust cover 4, a solid silicone button 5, and a signal input touchpad 6. The signal input touchpad 6 is fixedly connected to the center of the top surface of the PCB board 1. The outer protective shell 2 is fixedly connected to the top surface of the PCB board 1. The top dust cover 4 is fixedly connected to the top surface of the outer protective shell 2. The solid silicone button 5 is fixedly connected to the inner side of the top dust cover 4. The structure also includes:

[0028] An internally sealed elastic reset component is located inside the PCB board 1 to provide internal sealing and waterproof protection, while also ensuring that the solid silicone button 5 has good elastic reset.

[0029] The top dustproof snap-fit ​​assembly is located between the outer protective shell 2 and the top dustproof cover 4, and is used for convenient installation and dust protection between the outer protective shell 2 and the top dustproof cover 4.

[0030] Furthermore, the bottom surface of the top dust cover 4 is provided with an internal mounting hole 13, and a solid silicone button 5 is fixedly connected to the inside of the internal mounting hole 13. The bottom surface of the solid silicone button 5 is provided with a bottom sliding groove 14.

[0031] Furthermore, the internal sealing elastic reset assembly includes an internal sealing support sleeve 8, an internal reset spring 9, an internal sealing waterproof sealing ring 10, and an internal sliding button 11. The internal sealing support sleeve 8 is fixedly connected to the top surface of the PCB board 1, and the internal sealing waterproof sealing ring 10 is slidably connected to the inner side of the internal sealing support sleeve 8 to maintain the sealing and waterproofing inside the internal sealing support sleeve 8.

[0032] Furthermore, an internal reset spring 9 is fixedly connected to the top surface of the PCB board 1, and an internal reset spring 9 is slidably connected to the inner side of the internal sealing support sleeve 8. An internal waterproof sealing ring 10 is fixedly connected to the top surface of the internal reset spring 9, and an internal sliding button 11 is fixedly connected to the top surface of the internal waterproof sealing ring 10. An internal sliding button 11 is slidably connected to the inner side of the internal sealing support sleeve 8, and an internal sliding button 11 is slidably connected to the inner side of the bottom sliding groove 14. This is used for the rapid elastic reset of the solid silicone button 5, and at the same time, it provides waterproof protection for the signal input touch panel 6. Through the function of the internal sealing elastic reset component, it achieves convenient internal elastic reset while also providing waterproof sealing.

[0033] Furthermore, the top dustproof snap-fit ​​assembly includes a snap-fit ​​sliding rod 3, the top surface of the outer protective shell 2 is provided with equidistantly distributed top snap-fit ​​sliding grooves 7, and the bottom surface of the top dustproof cover 4 is provided with equidistantly distributed bottom snap-fit ​​sliding grooves 12. The top snap-fit ​​sliding grooves 7 and the bottom snap-fit ​​sliding grooves 12 are in a "T" shape and are used to snap-fit ​​the snap-fit ​​sliding rod 3 in position.

[0034] Furthermore, the cross-section of the snap-fit ​​sliding rod 3 is "I" shaped, and the snap-fit ​​sliding rod 3 is slidably connected to the inner side of the top snap-fit ​​sliding groove 7 and the bottom snap-fit ​​sliding groove 12. It is used to snap-fit ​​with the top snap-fit ​​sliding groove 7 and the bottom snap-fit ​​sliding groove 12. Through the function of the top dustproof snap-fit ​​component, the top dustproof cover 4 and the outer protective shell 2 can be conveniently installed and disassembled.

[0035] Structural Description:

[0036] PCB board 1: As the core substrate, the top center of the board has a fixed signal input touch panel 6 for receiving button trigger signals; the top edge has a fixed outer protective shell 2 for providing the mounting base and physical support for the internal components.

[0037] External protective shell 2: fixed to the top surface of PCB board 1, with equidistantly distributed top snap-fit ​​grooves 7 on the top surface, which cooperate with the bottom snap-fit ​​grooves 12 of the top dust cover 4. The snap-fit ​​sliding rod 3 enables quick snap-fit ​​and fixation with the top dust cover 4, thus forming an external protective structure.

[0038] Top dust cover 4: It is snapped into the outer protective shell 2 through the bottom snap-fit ​​groove 12, and the solid silicone button 5 is fixed inside through the internal mounting fixing hole 13. The bottom surface and the outer protective shell 2 form a dustproof seal to prevent external impurities from entering the button.

[0039] Solid silicone button 5: The inner side is fixed to the internal mounting hole 13 of the top dust cover 4, and the bottom surface has a bottom sliding groove 14, which is slidably connected to the internal sliding button 11; when pressed, the internal sliding button 11 is pushed through the bottom sliding groove 14 to trigger a signal input to the touch platform 6, and after being released, it is reset by the internal reset spring 9.

[0040] Signal input touch panel 6: Fixed to the middle of the top surface of PCB board 1, corresponding to the internal sliding button 11. When the internal sliding button 11 is pressed down, signal transmission is triggered to realize the button function.

[0041] Internal sealing support sleeve 8: fixed to the top surface of PCB board 1, with internal sealing waterproof sealing ring 10 and internal return spring 9 slidably connected on the inner side to form a sealed cavity to isolate external moisture and dust;

[0042] Internal reset spring 9: One end is fixed to the top surface of PCB board 1, and the other end is connected to the internal waterproof sealing ring 10, providing elastic reset force to ensure that the solid silicone button 5 rebounds quickly after being pressed;

[0043] Internal waterproof sealing ring 10: It is slidably connected to the inner side of the internal sealing support sleeve 8, and maintains the seal through elastic deformation. At the same time, it is linked with the internal reset spring 9 and the internal sliding button 11 to realize the sealing and reset functions.

[0044] Internal sliding button 11: The top surface is slidably connected to the bottom sliding groove 14 of the solid silicone button 5, and the bottom surface is connected to the internal reset spring 9 through the internal waterproof sealing ring 10. When pressed, the trigger signal is input to the touch platform 6 and guided by the bottom sliding groove 14 to ensure the motion accuracy.

[0045] The snap-fit ​​sliding rod 3 has an "I" shaped cross section and slides in the "T" shaped groove of the top snap-fit ​​sliding groove 7 and the bottom snap-fit ​​sliding groove 12 to achieve the horizontal snap-fit ​​fixation of the outer protective shell 2 and the top dust cover 4, supporting tool-free quick disassembly and assembly.

[0046] Top snap-fit ​​groove 7 and bottom snap-fit ​​groove 12: respectively opened on the top surface of the outer protective shell 2 and the bottom surface of the top dust cover 4, forming a "T" shaped structure, which cooperates with the snap-fit ​​sliding rod 3 to form a mechanical locking position, enhancing connection stability and dustproof performance;

[0047] Working principle: When this utility model is needed, pressing the solid silicone button 5 pushes the internal sliding button 11 downward through the bottom sliding groove 14, compressing the internal reset spring 9 and triggering the signal input touch panel 6 to complete signal transmission; after releasing the button, the internal reset spring 9 releases its elasticity, pushing the internal sliding button 11 to reset along the bottom sliding groove 14, causing the solid silicone button 5 to rebound, ensuring stable button travel and clear feedback. The internal sealing support sleeve 8 and the internal sealing waterproof sealing ring 10 form a double-layer sealing structure, maintaining a constant seal during button pressing. The internal sealing of the PCB board 1 prevents moisture and dust from entering through the gaps in the buttons, protecting the signal input touch panel 6 from contamination and corrosion, achieving IP65 protection. At the same time, the top dust cover 4 is aligned with the top snap-fit ​​groove 7 of the outer protective shell 2 through the bottom snap-fit ​​groove 12, and the "I"-shaped snap-fit ​​sliding rod 3 is inserted to achieve quick snap-fit ​​fixation. During disassembly, the components can be separated simply by sliding the snap-fit ​​rod 3 horizontally. The snap-fit ​​structure not only facilitates the independent replacement of the solid silicone button 5 and internal components, but also effectively prevents external impurities from entering the connection between the button and the shell, enhancing dustproof performance.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multifunctional solid silicone button structure, comprising a PCB board (1), an outer protective shell (2), a top dust cover (4), a solid silicone button (5), and a signal input touchpad (6), wherein the signal input touchpad (6) is fixedly connected to the center of the top surface of the PCB board (1), the outer protective shell (2) is fixedly connected to the top surface of the PCB board (1), the top dust cover (4) is fixedly connected to the top surface of the outer protective shell (2), and the solid silicone button (5) is fixedly connected to the inner side of the top dust cover (4), characterized in that: Also includes: An internally sealed elastic reset component is located inside the PCB board (1) to provide internal sealing and waterproof protection, while also ensuring that the solid silicone button (5) has good elastic reset. A top dustproof snap-fit ​​component is located between the outer protective shell (2) and the top dustproof cover (4) to facilitate installation and provide dust protection between the outer protective shell (2) and the top dustproof cover (4).

2. The multifunctional solid silicone button structure according to claim 1, characterized in that: The bottom surface of the top dust cover (4) is provided with an internal mounting hole (13), and a solid silicone button (5) is fixedly connected to the inside of the internal mounting hole (13). The bottom surface of the solid silicone button (5) is provided with a bottom sliding groove (14).

3. The multifunctional solid silicone button structure according to claim 2, characterized in that: The internal sealing elastic reset assembly includes an internal sealing support sleeve (8), an internal reset spring (9), an internal sealing waterproof sealing ring (10), and an internal sliding button (11). The top surface of the PCB board (1) is fixedly connected to the internal sealing support sleeve (8), and the inner side of the internal sealing support sleeve (8) is slidably connected to the internal sealing waterproof sealing ring (10) to maintain the sealing and waterproofing inside the internal sealing support sleeve (8).

4. The multifunctional solid silicone button structure according to claim 3, characterized in that: An internal reset spring (9) is fixedly connected to the top surface of the PCB board (1), and an internal reset spring (9) is slidably connected to the inner side of the internal sealing support sleeve (8). An internal sealing waterproof sealing ring (10) is fixedly connected to the top surface of the internal reset spring (9), and an internal sliding button (11) is fixedly connected to the top surface of the internal sealing waterproof sealing ring (10). An internal sliding button (11) is slidably connected to the inner side of the internal sealing support sleeve (8), and an internal sliding button (11) is slidably connected to the inner side of the bottom sliding groove (14). This is used for the rapid elastic reset of the solid silicone button (5) and to seal the waterproof protection signal input touch panel (6).

5. The multifunctional solid silicone button structure according to claim 1, characterized in that: The top dustproof snap-fit ​​assembly includes a snap-fit ​​sliding rod (3), the top surface of the outer protective shell (2) is provided with equidistantly distributed top snap-fit ​​sliding grooves (7), and the bottom surface of the top dustproof cover (4) is provided with equidistantly distributed bottom snap-fit ​​sliding grooves (12). The top snap-fit ​​sliding grooves (7) and the bottom snap-fit ​​sliding grooves (12) are in a "T" shape and are used to snap-fit ​​the snap-fit ​​sliding rod (3) in position.

6. The multifunctional solid silicone button structure according to claim 5, characterized in that: The cross-section of the snap-fit ​​sliding rod (3) is "I" shaped. The snap-fit ​​sliding rod (3) is slidably connected to the inner side of the top snap-fit ​​sliding groove (7) and the bottom snap-fit ​​sliding groove (12) for snap-fit ​​connection with the top snap-fit ​​sliding groove (7) and the bottom snap-fit ​​sliding groove (12).

Images