Long key module and keyboard
By designing a long-key module with a scissor structure including a gear meshing structure and a hook structure, the problems of uneven pressure transmission and high noise in the existing technology are solved, achieving more uniform pressure transmission and a better user experience. .
Patent Information
- Application Number
- CN202323427006.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-15
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2033-12-15
AI Technical Summary
The existing long-key modules are uneven in pressure conduction, resulting in high key noise, complex assembly and high cost, affecting the user experience.
A long key module is designed that includes keycaps, elastic components, film circuit boards, bottom plates and scissor structures. The scissor structure ensures uniform pressure transmission through the gear engagement structure and hook structure of the scissor feet and the base.
The uniformity of stress transmission is achieved, the keys noise is reduced, the assembly process is simplified, the production cost is reduced, and the synchronous motion and feel of the keys are improved.
Smart Images

Figure CN222394733U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of keyboard keys, in particular to a long key module and a keyboard. Background Art
[0002] Currently in the long key case module, such as Figure 6 As shown, the structure includes a keycap, a scissor foot structure with an inner shear, a balance bar, an elastic element, a thin film circuit board and a base plate. The structure has the following defects: (1) the connection points between the scissor foot and the keycap are few and scattered, the pressing force is not evenly transmitted, and the movement synchronization of the two sides of the long key is poor; (2) the balance bar is required to be used additionally, the assembly process is complicated and the cost is high. At the same time, the use of the balance bar will also increase the key noise, affecting the user experience. Utility Model Content
[0003] Purpose of the utility model: The utility model aims to provide a long key module and a keyboard with uniform pressure transmission and low key noise.
[0004] Technical solution: The long key module of the utility model includes a keycap, an elastic element, a thin film circuit board, a base plate and a scissor structure, wherein the scissor structure includes two scissor feet and a scissor foot base connected to the base plate, the inner sides of the two scissor feet cooperate with each other, the inner sides of the two scissor feet are provided with corresponding grooves, the scissor foot base is arranged in the groove and rotatably connected to the groove, and the outer sides of the two scissor feet are connected to the keycap.
[0005] Furthermore, a plurality of hook structures are provided at the bottom of the key cap, and sliding shafts corresponding to the hook structures are provided at the outer sides of the two scissor legs.
[0006] Furthermore, the mating surfaces on the inner sides of the two scissor legs are gear meshing structures, which fit closely with each other and can effectively reduce shaking.
[0007] Furthermore, the scissor leg base is fixedly connected to the bottom plate by hot melting or embedding molding.
[0008] Furthermore, raised rotating shafts are provided on both sides of the groove of the scissor leg, and corresponding rotating holes are provided on both sides of the scissor leg base, and the scissor leg is rotatably connected to the scissor leg base.
[0009] Furthermore, there are three scissor foot bases, which are arranged on both sides and in the middle of the scissor foot. The two ends of the outer sides of the scissor foot are also connected to the bottom of the keycap through a hook structure.
[0010] Furthermore, the elastic element is arranged in the middle of the thin film circuit board, and a through hole for accommodating the elastic element is opened on the middle scissor leg base.
[0011] A keyboard, wherein the long key keys of the keyboard adopt the long key module as described above.
[0012] Beneficial effects: Compared with the prior art, the utility model has the following significant advantages: (1) The utility model eliminates the balance bar structure setting, effectively reduces the key noise, simplifies the automated assembly process, and reduces the manufacturing cost. (2) The utility model combines the scissor legs together through a fixed base and connects them to the keycap through a number of hook structures, eliminating the internal scissor structure setting, increasing the strength of the scissors, and the keycap and scissors are not easy to deform. The pressing force is easily transmitted to the other side, thereby driving the other side to move synchronously, the pressing force is evenly transmitted, and the key feel is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural assembly diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the scissor leg matching surface of the utility model;
[0015] Figure 3 This is a schematic diagram of the connection structure between the scissor legs and the key cap of the utility model;
[0016] Figure 4 It is a schematic diagram of the back structure of the utility model;
[0017] Figure 5 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 6 It is a conventional long key three-dimensional structure assembly diagram in the background technology. DETAILED DESCRIPTION
[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings.
[0020] like Figure 1-5As shown, a long key module includes a keycap 1, an elastic element 4, a thin film circuit board 5, a bottom plate 6 and a scissor structure. The scissor structure includes two scissor feet 2 and three scissor foot bases 3 connected to the bottom plate 6. A plurality of hook structures 9 are provided at the bottom of the keycap 1. The outer sides of the two scissor feet 2 are provided with sliding shafts corresponding to the hook structures 9. The scissor foot bases 3 are arranged on both sides and in the middle of the scissor feet 2. The two ends of the outer sides of the scissor feet 2 are also connected to the bottom of the keycap 1 through the hook structures 9. The inner sides of the two scissor feet 2 cooperate with each other, and the matching surface is a gear meshing structure. The inner sides of the two scissor feet 2 are provided with corresponding grooves. The scissor foot bases 3 are arranged in the grooves. The grooves are provided with raised rotating shafts. The scissor foot bases 3 are provided with corresponding rotating holes on both sides. The scissor feet 2 are rotatably connected to the scissor foot bases 3. The outer sides of the two scissor feet 2 are connected to the keycap 1. The scissor foot bases 3 are fixedly connected to the bottom plate 6 through hot melt columns 10. The elastic element 4 is arranged in the middle of the thin film circuit board 5. The middle scissor foot base 3 is provided with a through hole for accommodating the elastic element 4.
[0021] When one side of a long key is pressed, since a plurality of hook structures 9 connected to the scissor feet 2 are provided on the keycap 1, and the scissor feet 2 are fixed by the scissor foot base 3, the keycap 1 and the scissor feet 2 are not easily deformed, and the pressing force is easily transmitted to the other side, thereby driving the other side to move synchronously, the pressing force is evenly transmitted, and the key feel is good.
Claims
1. A long key module, comprising a key cap (1), an elastic element (4), a thin film circuit board (5) and a base plate (6), characterized in that: It also includes a scissor structure, which includes two scissor legs (2) and a scissor leg base (3) connected to the bottom plate (6), the inner sides of the two scissor legs (2) cooperate with each other, the inner sides of the two scissor legs (2) are provided with corresponding grooves, the scissor leg base (3) is arranged in the groove and is rotatably connected to the groove, and the outer sides of the two scissor legs (2) are connected to the key cap (1).
2. The long key module according to claim 1, characterized in that: The bottom of the keycap (1) is provided with a plurality of hook structures (9), and the outer sides of the two scissor legs (2) are provided with sliding shafts corresponding to the hook structures (9).
3. The long key module according to claim 1, characterized in that: The matching surfaces of the inner sides of the two scissor legs (2) are gear meshing structures (8).
4. The long key module according to claim 1, characterized in that: The scissor foot base (3) is fixedly connected to the bottom plate (6) by hot melting or embedding molding.
5. The long key module according to claim 1, characterized in that: The groove of the scissor leg (2) is provided with protruding rotating shafts on both sides, and the scissor leg base (3) is provided with corresponding rotating holes on both sides, and the scissor leg (2) is rotatably connected to the scissor leg base (3).
6. The long key module according to claim 2, characterized in that: There are three scissor foot bases (3), which are arranged on both sides and in the middle of the scissor foot (2). The two ends of the outer sides of the scissor foot (2) are also connected to the bottom of the key cap (1) through a hook structure (9).
7. The long key module according to claim 6, characterized in that: The elastic element (4) is arranged in the middle of the thin film circuit board (5), and a through hole for accommodating the elastic element (4) is opened on the middle scissor foot base (3).
8. A keyboard, characterized in that: The long key adopts the long key module as described in any one of claims 1-6.