High-connectivity independent key structure of touch sensing key of electronic product
By adding an inner connecting ring between the glass sheet and the inner ring, and providing an embedding groove and an adhesive plate on the outer ring, the problem of decreased connectivity of independent buttons due to long-term use is solved, and a button structure with high connectivity and high aesthetics is achieved, which extends the service life and improves the user experience.
Patent Information
- Application Number
- CN202422404010.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-09-30
AI Technical Summary
After long-term use, existing independent buttons are prone to deformation due to repeated pressing, resulting in reduced connection tightness, gaps and shaking, which affects the use effect.
By adding an inner connecting ring between the glass sheet and the inner ring, and providing an embedding groove and an adhesive plate on the outer ring, an internal and external double connection structure is achieved, which enhances the connection tightness between the glass sheet and the PCBA board, and between the button and the shell.
The internal and external connection strength of the buttons is improved, deformation gaps and shaking are avoided, the service life is extended, and the aesthetics and user tactile experience are improved.
Smart Images

Figure CN223321170U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic product accessories, in particular to an independent key structure with high connectivity for touch-sensitive keys of electronic products. Background Art
[0002] Capacitive touch sensing buttons are used in existing communication electronic products such as mobile phones, tablets, and smart watches. These buttons are mainly based on capacitive touch technology. When a user places a finger on a button and moves it up and down, the capacitive touch sensing button absorbs a small amount of current through the contact point as the hand moves, causing a voltage drop at the corner electrode. This method achieves touch control by sensing the weak current of the human body. This technology does not rely on physical contact, provides high sensitivity and response speed, and has good durability and accuracy.
[0003] This technology is widely used in existing electronic products. In order to match the use of touch-sensitive buttons, most mobile phone cases are equipped with independent touch buttons. When the user touches the glass sheet with his hand, the microcurrent on the finger skin can be transmitted through the glass sheet and the PCBA board as a weak current. In this way, the weak current generated by the touch can be transmitted to the touch button of the electronic product. The touch button of the electronic product recognizes the voltage drop of the corner electrode of the weak current conducted, and then the electronic product performs functions such as sliding and switching according to the actual current signal, thereby ensuring the normal use of the touch button of the electronic product.
[0004] However, after long-term use, the existing independent buttons will have a certain gap in the tightness of the connection with the mobile phone case due to repeated pressing and deformation, which may easily lead to button movement and shaking, affecting the use effect. Therefore, the utility model proposes a high-connectivity independent button structure for touch-sensitive buttons of electronic products. Utility Model Content
[0005] The purpose of the present invention is to provide an independent key structure with high connectivity for touch-sensitive keys of electronic products, so as to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a highly connected independent key structure for a touch-sensitive key of an electronic product, comprising a PCBA board, a glass sheet fixedly connected to the front of the PCBA board, an inner ring provided on the outer fixing sleeve of the PCBA board, an inner connecting ring fixedly installed between the inner ring and the glass sheet, an outer ring provided on the inner ring and the outer fixing sleeve of the glass sheet, an outer ring provided on the outer surface of the outer ring having a circle of embedding grooves, and adhesive plates connected to the inner walls on both sides of the embedding grooves.
[0007] Preferably, an anti-fingerprint film is attached to the outside of the glass sheet.
[0008] Preferably, the anti-fingerprint film is a frosted PET protective film.
[0009] Preferably, the back surface of the PCBA board contacts the touch buttons of the electronic product.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] The utility model performs a secondary fixed connection between the glass sheet and the inner ring through the inner connecting ring, thereby improving the connection tightness between the glass sheet and the PCBA through the connecting function of the inner connecting ring, achieving a high connection effect of the internal structure, avoiding deformation and gaps in the internal structure after long-term use, and improving the service life;
[0012] At the same time, the use of the adhesive plate structure can effectively improve the connection strength between the independent button of the utility model and the electronic product housing, avoid deformation gaps after long-term use, improve the tightness of the structural connection, avoid the button from moving or shaking, and effectively improve the use effect and service life of the button;
[0013] By using the two internal and external connection structures of the inner connection ring and the adhesive plate in combination, the independent key of the utility model can have both internal and external high connection characteristics, effectively improving the internal and external connection strength, effectively improving the use effect and overall service life, and improving practicality;
[0014] Moreover, the anti-fingerprint film of the present invention has a good anti-fingerprint effect during actual use, effectively improving the aesthetics of the independent key structure of the present invention and avoiding fingerprint residue. At the same time, the frosted surface has a good finger touch, improving the user's tactile experience. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the independent key contact surface of an embodiment of the present utility model;
[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the independent key touch surface of an embodiment of the present utility model;
[0017] Figure 3 This is a schematic diagram of the internal cross-sectional structure of an independent button according to an embodiment of the utility model;
[0018] Figure 4 For the embodiment of the utility model Figure 3 Schematic diagram of the enlarged structure of area A.
[0019] In the figure: 1. PCBA board; 2. Inner ring; 3. Glass sheet; 4. Anti-fingerprint film; 5. Inner connecting ring; 6. Outer ring; 7. Embedded groove; 8. Adhesive plate. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.
[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0023] See also Figure 1-4 The present invention provides an embodiment of a touch-sensitive key structure with high connectivity for electronic products, comprising a PCBA board 1, wherein the PCBA board 1 is a PCBA metal conductive sheet, a glass sheet 3 is fixedly connected to the front of the PCBA board 1, and the back of the PCBA board 1 is in contact with the touch key of the electronic product;
[0024] During actual use, when the user touches the glass sheet 3 with his hand, the microcurrent on the finger skin can be conducted through the glass sheet 3 and the PCBA board 1 as a weak current, thereby transmitting the weak current generated by the touch to the touch button of the electronic product. The touch button of the electronic product recognizes the voltage drop of the corner electrode of the conducted weak current, thereby enabling the electronic product to perform functional operations such as sliding the screen and switching according to the actual current signal, thereby ensuring the normal use of the touch button of the electronic product.
[0025] The outer fixing sleeve of the PCBA board 1 is provided with an inner ring 2, and an inner connecting ring 5 is fixedly installed between the inner ring 2 and the glass sheet 3. The inner connecting ring 5 is made of silicone material, and the outer fixing sleeve of the inner ring 2 and the glass sheet 3 is provided with an outer ring 6;
[0026] Furthermore, the inner ring 2 and the outer ring 6 are made of metal or plastic. In actual use, the glass sheet 3 and the inner ring 2 are secondarily fixedly connected by the inner connecting ring 5. The connection function of the inner connecting ring 5 can improve the tightness of the connection between the glass sheet 3 and the PCBA 1, and has a high connection effect of the internal structure, avoiding deformation and gaps in the internal structure after long-term use, thereby improving the service life.
[0027] In order to facilitate the insertion of the present invention into the slot reserved in the mobile phone case, a circle of embedding grooves 7 are provided on the outer surface of the outer ring 6. Adhesive plates 8 are connected to the inner walls on both sides of the embedding groove 7. The adhesive plates 8 are adhesive silicone plates, and an easy-to-tear film is attached to the outside of the adhesive plates 8.
[0028] This structural design provides an embedding groove 7 on the outer ring 6. The embedded groove 7 allows the outer ring 6 of the present invention to be embedded and clamped in the groove body reserved in the electronic product housing. After the outer ring 6 is clamped, the film on the adhesive plate 8 can be torn off. At this time, the adhesive plate 8 adheres to the outer wall of the electronic product housing by its own viscosity, thereby increasing the tightness of the connection between the outer ring 6 and the electronic product housing. The use of the adhesive plate 8 can effectively improve the connection strength between the independent key of the present invention and the electronic product housing, avoid deformation gaps caused by long-term use, improve the tightness of the structural connection, avoid the key from moving or shaking, and effectively improve the use effect and service life of the key.
[0029] At the same time, according to different usage scenarios, when the present invention is produced, the sizes of the outer ring 6 and the embedding groove 7 can be adapted to the size of the electronic product protective cover actually used, ensuring that the present invention can be applied to different models of electronic product protective covers, ensuring model applicability, and improving the scope of application.
[0030] In this embodiment, an anti-fingerprint film 4 is attached to the outside of the glass sheet 3, wherein the anti-fingerprint film 4 is a frosted PET protective film. The protective film of the utility model is made of PET material, which can ensure the normal electronic current conduction effect;
[0031] The anti-fingerprint film 4 has a good anti-fingerprint effect during actual use, which improves the aesthetics of the independent key structure of the utility model, and has a good touch, which improves the user's tactile experience.
[0032] Working Principle: During installation, the outer ring 6 of the present invention is provided with an embedding groove 7. Through the embedded groove 7, the outer ring 6 of the present invention can be embedded and clamped into the groove body reserved in the electronic product housing. After the outer ring 6 is clamped, the film on the adhesive plate 8 can be torn off. At this time, the adhesive plate 8 adheres to the outer wall of the electronic product housing by its own viscosity.
[0033] During use, the user touches the anti-fingerprint film 4 on the glass sheet 3 with their hand, and the microcurrent on the finger skin can be conducted through the anti-fingerprint film 4, the glass sheet 3 and the PCBA board 1 as a weak current. In this way, the weak current generated by the touch can be transmitted to the touch button of the electronic product. The touch button of the electronic product recognizes the voltage drop of the corner electrode of the conducted weak current, so that the electronic product can perform functions such as sliding and switching according to the actual current signal, thereby ensuring the normal use of the touch button of the electronic product.
[0034] The anti-fingerprint film 4 has a good anti-fingerprint effect in actual use, effectively improving the aesthetics of the independent key structure of the utility model, and at the same time has a good finger touch, improving the user's tactile experience;
[0035] The utility model performs a secondary fixed connection between the glass sheet 3 and the inner ring 2 through the inner connecting ring 5, thereby improving the connection tightness between the glass sheet 3 and the PCBA 1 through the connection function of the inner connecting ring 5, achieving a high connection effect of the internal structure, avoiding deformation and gaps in the internal structure after long-term use, and improving the service life;
[0036] At the same time, the use of the adhesive plate 8 can effectively improve the connection strength between the independent key of the utility model and the electronic product housing, avoid deformation gaps after long-term use, improve the tightness of the structural connection, avoid the key from moving or shaking, and effectively improve the use effect and service life of the key;
[0037] By using the two internal and external connection structures of the inner connecting ring 5 and the adhesive plate 8 in combination, the independent key of the utility model can have both internal and external high connection characteristics, effectively improving the internal and external connection strength, effectively improving the use effect and overall service life, and better practicality.
[0038] 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 present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present 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 encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A high-connectivity independent key structure for touch-sensitive keys of electronic products, comprising a PCBA board (1), characterized in that: The front surface of the PCBA board (1) is fixedly connected to a glass sheet (3), the outer fixing sleeve of the PCBA board (1) is provided with an inner ring (2), an inner connecting ring (5) is fixedly installed between the inner ring (2) and the glass sheet (3), the outer fixing sleeve of the inner ring (2) and the glass sheet (3) is provided with an outer ring (6), the outer surface of the outer ring (6) is provided with a circle of embedding grooves (7), and the inner walls on both sides of the embedding grooves (7) are connected to adhesive plates (8).
2. The high-connectivity independent key structure of a touch-sensitive key for an electronic product according to claim 1, characterized in that: An anti-fingerprint film (4) is attached to the outside of the glass sheet (3).
3. The high-connectivity independent key structure of a touch-sensitive key for an electronic product according to claim 2, characterized in that: The anti-fingerprint film (4) is a frosted PET protective film.
4. The high-connectivity independent key structure of a touch-sensitive key for an electronic product according to claim 1, characterized in that: The back side of the PCBA board (1) contacts the touch buttons of the electronic product.