Key structure capable of being triggered twice and electronic equipment
By placing a reinforcing steel sheet between the microswitch and the first circuit board, and bending the circuit board to form an upper and lower structure, combined with a scissor structure and an adhesive structure, the key structure of the laptop keyboard is optimized, solving the problem of low input efficiency and realizing a highly efficient dual-trigger function.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-04-03
AI Technical Summary
The existing laptop keyboard structure makes it difficult to trigger two different functions when the pressure applied increases, resulting in low input efficiency.
A reinforcing steel sheet is placed between the micro switch and the first circuit board, and the first and second circuit boards are bent to form an upper and lower structure. Combining the scissor structure and the adhesive structure, the button structure is optimized.
It improves key input efficiency, simplifies the modification process, is applicable to the existing industry chain, and enhances input efficiency.
Smart Images

Figure CN224082365U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic equipment technology, and in particular to a button structure and electronic equipment that can be triggered twice. Background Technology
[0002] Most laptop keyboards on the market use a structure where keycaps are pressed down, and the rubber collapses to contact the silver wires in the memory to achieve input. This structure is stable, reliable, and easy to manufacture, making it the cornerstone of laptop keyboard design.
[0003] In the prior art, such as the utility model with authorization announcement number CN217955708U, a base plate, a scissor structure, and a keycap are connected sequentially from bottom to top. It also includes a first circuit board and a second circuit board for generating switch signals. A microswitch for implementing a second switch function is provided between the first and second circuit boards, separated from the elastic element for implementing the first switch function. Increasing the single pressing pressure value can trigger two different functions. However, the existing structure has low input efficiency. Utility Model Content
[0004] Purpose of the utility model: This utility model aims to provide a double-trigger button structure and electronic device that improves input efficiency.
[0005] Technical solution: The button structure of this utility model that can be triggered twice includes a base plate, a second circuit board, a micro switch, a first circuit board, an elastic element, a scissor structure and a keycap connected in sequence from bottom to top. The key feature is that a reinforcing steel sheet is provided between the micro switch and the first circuit board.
[0006] Furthermore, the first circuit board and the second circuit board are the same circuit board that is bent to form an upper and lower structure.
[0007] Furthermore, the micro switch is made of an elastic material.
[0008] Furthermore, a reinforcing plate for protecting the first circuit board is provided between the micro switch and the first circuit board.
[0009] Furthermore, the scissor structure includes an inner scissor frame and an outer scissor frame.
[0010] Furthermore, an adhesive structure is provided under the first circuit board.
[0011] Based on the same inventive concept, this utility model also provides an electronic device that uses a button structure that can be triggered twice as described in any of the above claims.
[0012] Beneficial effects: Compared with the existing technology, this utility model only modifies and upgrades the original keyboard, with a simple structure and easy implementation; it can rely on the existing complete industrial chain to carry out large-scale transformation of dual triggers by optimizing products, thereby improving input efficiency and making people's lives and work more convenient. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0014] Figure 2 This is a schematic diagram of the same circuit board structure according to an embodiment of the present utility model. Detailed Implementation
[0015] The technical solution of this utility model will be further described below with reference to the accompanying drawings.
[0016] like Figure 1 As shown, this embodiment provides a button structure that can be triggered twice, including a base plate 1, a second circuit board 2, a micro switch 3, a first circuit board 4, an elastic element 5, a scissor structure and a keycap 6 connected sequentially from bottom to top. The key feature is that a reinforcing steel sheet 9 is provided between the micro switch 3 and the first circuit board 4.
[0017] like Figure 2 As shown, the first circuit board 4 and the second circuit board 2 can also be the same circuit board that is bent to form an upper and lower structure.
[0018] The micro switch 5 is made of an elastic material.
[0019] A reinforcing plate 10 for protecting the first circuit board 4 is provided between the micro switch 3 and the first circuit board 4.
[0020] The scissor structure includes an inner scissor frame 7 and an outer scissor frame 8.
[0021] The first circuit board 4 has an adhesive structure 11 underneath.
[0022] Based on the same inventive concept, this embodiment also provides an electronic device that uses a button structure that can be triggered twice as described in any of the preceding claims.
Claims
1. A twice-triggerable key structure, comprising, from bottom to top, a bottom plate (1), a second circuit board (2), a micro switch (3), a first circuit board (4), an elastic element (5), a scissor structure and a key cap (6), characterized in that, A reinforcing steel sheet (9) is arranged between the micro switch (3) and the first circuit board (4).
2. The double-actuable key structure of claim 1, wherein: The first circuit board (4) and the second circuit board (2) are the same circuit board which is bent to form an upper and lower structure.
3. The double-actuable key structure of claim 1, wherein, The micro switch (3) is made of elastic material.
4. The double-actuable key structure of claim 1, wherein, A reinforcing plate (10) is arranged between the micro switch (3) and the first circuit board (4) to protect the first circuit board (4).
5. The double-actuable key structure of claim 1, wherein, The scissor structure comprises a scissor inner frame (7) and a scissor outer frame (8).
6. The double-actuable key structure of claim 1, wherein, The first circuit board (4) is provided with a bonding structure (11) at the bottom.
7. An electronic device, comprising: The electronic device uses the twice-triggerable key structure according to any one of claims 1-6.