Modularized scissor foot key structure

Abstract

The invention discloses a modularized scissor foot key structure, and aims to provide the modularized scissor foot key structure which is simple in structure, light and thin in design, capable of being assembled in a modularized mode according to the key size, lower in cost and capable of providing floating hand feeling at the same time. The keyboard comprises a substrate, a plurality of scissor foot modules and key caps, each scissor foot module comprises a bottom plate and a rotating plate, an avoiding groove is formed in the middle of each bottom plate, a plurality of sliding shafts are arranged on the two sides of each bottom plate, and a plurality of rotating shafts are arranged on the two sides, corresponding to the sliding shafts, of each rotating plate; a plurality of first sliding buckles and a plurality of first rotating shaft buckles are respectively arranged on two sides of the lower end surface of the key cap and are respectively matched with a plurality of sliding shafts on one side of the bottom plate and a plurality of rotating shafts on one side far away from the rotating plate; a plurality of second sliding buckles and a plurality of second rotating shaft buckles are arranged on the two sides of the upper end face of the base plate correspondingly and matched with a plurality of sliding shafts on the other side of the bottom plate and a plurality of rotating shafts on the side, away from the rotating plate, of the rotating plate correspondingly. The keyboard key is applied to the technical field of keyboard keys.

Description

Technical Field

[0001] The invention is applied to the technical field of keyboard keys, and particularly relates to a modular scissor-foot key structure. Background Art

[0002] With the development of laptop computers, scissor-foot keyboards are widely used as common laptop input devices. Today, the market has a great demand for thin, light, stable and low-cost keyboards, but because the size of keyboard keys varies, a set of keyboards requires multiple scissor feet, which increases the production cost. Due to the special type of the scissor-foot keyboard, different lengths of keys require different lengths of scissor-foot structures. The main frame of the scissor-foot structure currently on the market is mainly an integrated structure, which cannot be disassembled or combined in sections, resulting in different scissor-foot sizes requiring different molds for production. In addition, in the notebook computer keyboard module, most of the key positions are set to the same square structure, such as the letter keys in the keyboard module. This type of key position can be assembled through the same standard scissor-foot structure, but there are also rectangular key positions in the keyboard module. This type of key position requires a scissor-foot structure of matching size for assembly. The scissor-foot structure of this key position needs to be produced through different molds. Since there are fewer rectangular key positions in the keyboard module, multiple sets of molds and multiple production lines are used for production, and the production cost of the enterprise is high. In addition, the dimensional tolerances of the scissor-foot structures produced by different modules are quite different, and the assembly efficiency and yield are low. If a modular scissor-foot key structure with a simple structure, a lightweight design, modular assembly according to the key size, lower cost, and a floating feel can be designed, the above problems can be solved. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a modular scissor-foot key structure with a simple structure, a lightweight design, modular assembly according to key sizes, lower cost, and the ability to provide a floating feel.

[0004] The technical solution adopted by the present invention is: the present invention includes a substrate, a plurality of scissor foot modules and a keycap, the scissor foot module includes a bottom plate and a rotating plate, the two ends of the plurality of bottom plates are connected to each other, an avoidance groove is provided in the middle of the bottom plate, the rotating plate cooperates with the avoidance groove, a plurality of sliding shafts are provided on both sides of the bottom plate, a plurality of rotating shafts are provided on both sides of the rotating plate corresponding to the sliding shafts, a plurality of first sliding buckles and a plurality of first rotating shaft buckles are respectively provided on both sides of the lower end surface of the keycap and respectively cooperate with the plurality of sliding shafts on one side of the bottom plate and the plurality of rotating shafts on the side away from the rotating plate, a plurality of second sliding buckles and a plurality of second rotating shaft buckles are respectively provided on both sides of the upper end surface of the substrate and respectively cooperate with the plurality of sliding shafts on the other side of the bottom plate and the plurality of rotating shafts on the side away from the rotating plate.

[0005] Furthermore, a conductive film is disposed on the upper end surface of the substrate, a plurality of buffer blocks are disposed on the upper end surface of the conductive film, an avoidance hole is disposed in the middle of the rotating plate, and the buffer block cooperates with the lower end surface of the key cap through the avoidance hole.

[0006] Furthermore, a rotating block is provided in the middle of both ends of the rotating plate, and a rotating groove is provided at both ends of the avoidance groove corresponding to the rotating block, and the rotating plate is rotatably matched with the avoidance groove through the rotating block and the rotating groove.

[0007] Furthermore, a plurality of first connecting buckles and a plurality of second connecting buckles are provided at both ends of the base plate, the second connecting buckles are provided between two groups of the first connecting buckles, and the plurality of the second connecting buckles and the first connecting buckles are arranged alternately up and down, and the two groups of the first connecting buckles and the second connecting buckles at both ends of the base plate are arranged in opposite directions up and down.

[0008] Furthermore, two groups of the bottom plates are connected via a plurality of the first connecting buckles and a plurality of the second connecting buckles at corresponding ends.

[0009] Furthermore, the number of the scissor foot modules is adapted to the sizes of the keycap and the substrate, and the number of the first sliding buckle and the first rotating shaft buckle on the keycap and the second sliding buckle and the second rotating shaft buckle on the substrate is adapted to the number of the scissor foot modules.

[0010] Furthermore, the connecting ends of the plurality of first connecting buckles and the plurality of second connecting buckles at both ends of the bottom plate are both provided with inclined structures.

[0011] Furthermore, a plurality of buffer strips are arranged on both sides of the lower end surface of the key cap, and the plurality of buffer strips on both sides of the lower end surface of the key cap are matched with the plurality of base plates and the plurality of rotating plates respectively.

[0012] Furthermore, the base plate is also provided with a plurality of weight-reducing openings.

[0013] The beneficial effect of the present invention is that the first connecting buckle and the second connecting buckle are arranged at both ends of the bottom plate, the first connecting buckle and the second connecting buckle are arranged alternately up and down and left and right, and the first connecting buckle and the second connecting buckle at both ends are arranged alternately up and down in opposite directions, so that the bottom plate can be horizontally connected with another group of the bottom plates through the first connecting buckle and the second connecting buckle, and the key cap and the base plate are combined and spliced ​​according to the size of the key cap and the base plate, and multiple groups of the first connecting buckle and the second connecting buckle can ensure the splicing stability, and the key cap and the base plate can be stably connected with a plurality of the sliding shafts and a plurality of the rotating shafts. The key caps can be easily moved when the key is pressed down, and the cushioning effect can be improved by the use of the cushioning strips, so that the key caps can be easily moved and the cushioning effect can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an exploded view of the present invention; Figure 2 is a stereoscopic view of the scissor foot module; Figure 3 is a stereoscopic view of the scissor foot module from another perspective; Figure 4 is a three-dimensional view of a plurality of the scissor foot modules cooperating with each other; Figure 5 is a cross-sectional stereoscopic view of a plurality of the scissor foot modules cooperating with each other; Figure 6 is a stereoscopic view of the keycap from another viewing angle; Figure 7 A three-dimensional view of the substrate; Figure 8 It is a three-dimensional view of another combination of the present invention. DETAILED DESCRIPTION

[0015] like Figures 1 to 7As shown, in this embodiment, the present invention includes a substrate 1, a plurality of scissor foot modules 2 and a key cap 3, the scissor foot module 2 includes a bottom plate 4 and a rotating plate 5, the two ends of the plurality of bottom plates 4 are connected to each other, an avoidance groove 6 is provided in the middle of the bottom plate, the rotating plate 5 cooperates with the avoidance groove 6, a plurality of sliding shafts 7 are provided on both sides of the bottom plate 4, a plurality of rotating shafts 8 are provided on both sides of the rotating plate 5 corresponding to the sliding shafts 7, a plurality of first sliding buckles 9 and a plurality of first rotating shaft buckles 10 are respectively provided on both sides of the lower end surface of the key cap 3, and respectively cooperate with the plurality of sliding shafts 7 on one side of the bottom plate 4 and the plurality of rotating shafts 8 on the side away from the rotating plate 5, a plurality of second sliding buckles 11 and a plurality of second rotating shaft buckles 12 are respectively provided on both sides of the upper end surface of the substrate 1, and respectively cooperate with the plurality of sliding shafts 7 on the other side of the bottom plate 4 and the plurality of rotating shafts 8 on the side away from the rotating plate 5. It can be seen that the plurality of sliding shafts 7 and the plurality of rotating shafts 8 are connected to the keycap 3 and the substrate 1 in an alternating manner in a scissor-like manner, so that the keycap 3 is connected to the substrate 1 in a floating fit, and during the pressing process, the relative rotation of the rotating plate 5 can adjust the height of the keycap 3 to complete the pressing contact, making the whole device light and thin with good stability.

[0016] like Figure 1 As shown, in this embodiment, the upper end surface of the substrate 1 is provided with a conductive film 13, the upper end surface of the conductive film 13 is provided with a plurality of buffer blocks 14, the middle part of the rotating plate 5 is provided with an avoidance hole 15, and the buffer block 14 is matched with the lower end surface of the key cap 3 through the avoidance hole 15. It can be seen that the buffer block 14 cooperates with the key cap 3 to play the role of downward pressure buffering and recovery, and a plurality of buffer blocks 14 can be evenly arranged on the conductive film 13 according to the size of the key cap 3, so that the key cap downward pressure process is more stable, and the service life of the key is longer.

[0017] like Figure 3 and Figure 4 As shown, in this embodiment, the middle part of both ends of the rotating plate 5 is provided with a rotating block 16, and the two ends of the avoidance groove 6 corresponding to the rotating block 16 are provided with a rotating groove 17, and the rotating plate 5 is rotatably matched with the avoidance groove 6 through the rotating block 16 and the rotating groove 17. It can be seen that the rotating plate 5 can rotate relatively in the avoidance groove 6, and during the pressing process of the key cap 3, the rotating plate 5 and the bottom plate 4 rotate from a relatively cross setting to a relatively parallel setting, so that the key cap 3 can achieve the effect of pressing down to trigger.

[0018] like Figures 1 to 7As shown, in this embodiment, a plurality of first connection buckles 18 and a plurality of second connection buckles 19 are arranged at both ends of the bottom plate 4, the second connection buckles 19 are arranged between the two groups of the first connection buckles 18, and the plurality of the second connection buckles 19 and the first connection buckles 18 are arranged in an up-down staggered manner, and the two groups of the first connection buckles 18 and the second connection buckles 19 at both ends of the bottom plate 4 are arranged in opposite directions. It can be seen that the two groups of the first connection buckles 18 and the second connection buckles 19 are arranged in an up-down staggered manner, the second connection buckle 19 is arranged between the two groups of the first connection buckles 18, and the first connection buckles 18 and the second connection buckles 19 at both ends are arranged in an up-down staggered manner in opposite directions, which can ensure that the two groups of the bottom plates 4 can be connected in the same direction, and can be combined and spliced ​​according to the size of the keycap 3 and the substrate 1, with strong applicability, and the combination of multiple groups of the scissor foot modules 2 makes the keycap 3 more evenly pressed down, easy to disassemble, and can be replaced at any time.

[0019] like Figure 4 and Figure 5 As shown, in this embodiment, two groups of the bottom plates 4 are connected by a plurality of the first connection buckles 18 and a plurality of the second connection buckles 19 at the corresponding ends. It can be seen that the first connection buckles 18 and the second connection buckles 19 at both ends of the bottom plate 4 are staggered in opposite directions, which can ensure that the two groups of the bottom plates 4 can be connected in the same direction, playing a fool-proof role.

[0020] like Figure 1 and Figure 8 As shown, in this embodiment, the number of the scissor foot modules 2 is adapted to the size of the keycap 3 and the substrate 1, and the number of the first sliding buckle 9 and the first rotating shaft buckle 10 on the keycap 3 and the second sliding buckle 11 and the second rotating shaft buckle 12 on the substrate 1 are adapted to the number of the scissor foot modules 2. It can be seen that the scissor foot modules 2 can be assembled according to the size of the keycap 3, and the number of buckle structures on the keycap 3 and the substrate 1 is matched with the number of the scissor foot modules 2, so that each group of the scissor foot modules 2 can be evenly stressed during the pressing process.

[0021] like Figure 5 As shown, in this embodiment, the connecting ends of the first connecting buckles 18 and the second connecting buckles 19 at both ends of the bottom plate 4 are both provided with inclined structures. It can be seen that the inclined structures play a guiding role in the connection process, making assembly more convenient.

[0022] like Figure 1 and Figure 6As shown, in this embodiment, a plurality of buffer strips 20 are arranged on both sides of the lower end surface of the key cap 3, and the plurality of buffer strips 20 on both sides of the lower end surface of the key cap 3 are respectively matched with the plurality of bottom plates 4 and the plurality of rotating plates 5. It can be seen that the plurality of buffer strips 20 can also provide a buffering effect during the process of the scissor foot module 2 rotating, pressing down and bouncing up, thereby increasing the service life of the scissor foot module 2.

[0023] like Figure 1 and Figure 7 As shown, in this embodiment, the substrate 1 is further provided with a plurality of weight-reducing openings 21. It can be seen that if the weight-reducing openings 21 play a role in reducing weight, the key as a whole is more lightweight.

[0024] The working principle of the present invention is as follows: during the assembly of the keyboard module, the keycap 3 and the substrate 1 of corresponding sizes are selected according to the size of the key position of the keyboard module, and then several groups of the scissor foot modules 2 are horizontally connected and assembled according to the size of the keycap 3. After the assembly is completed, the several sliding shafts 7 and the several rotating shafts 8 on the combination composed of the several scissor foot modules 2 are connected and fixed to the snap-on structures on the keycap 3 and the substrate 1. After completing the assembly of a single key position, repeat the above steps to realize the modular assembly of the scissor foot key positions.

[0025] Although the embodiments of the present invention are described with practical solutions, they do not constitute limitations on the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A modular scissor-foot key structure, comprising a substrate (1), a plurality of scissor-foot modules (2) and a key cap (3), characterized in that: The scissor foot module (2) comprises a base plate (4) and a rotating plate (5), the two ends of the plurality of base plates (4) are connected to each other, a avoidance groove (6) is provided in the middle of the base plate, the rotating plate (5) cooperates with the avoidance groove (6), a plurality of sliding shafts (7) are provided on both sides of the base plate (4), and a plurality of rotating shafts (8) are provided on both sides of the rotating plate (5) corresponding to the sliding shafts (7), a plurality of first sliding buckles (9) and a plurality of first rotating shaft buckles (10) are provided on both sides of the lower end surface of the key cap (3), and respectively cooperate with the plurality of sliding shafts (7) on one side of the base plate (4) and the plurality of rotating shafts (8) on the side away from the rotating plate (5), and a plurality of second sliding buckles (11) and a plurality of second rotating shaft buckles (12) are provided on both sides of the upper end surface of the base plate (1), and respectively cooperate with the plurality of sliding shafts (7) on the other side of the base plate (4) and the plurality of rotating shafts (8) on the side away from the rotating plate (5).

2. A modular scissor-foot key structure according to claim 1, characterized in that: The upper end surface of the substrate (1) is provided with a conductive film (13), the upper end surface of the conductive film (13) is provided with a plurality of buffer blocks (14), a avoidance hole (15) is provided in the middle of the rotating plate (5), and the buffer block (14) cooperates with the lower end surface of the key cap (3) through the avoidance hole (15).

3. A modular scissor-foot key structure according to claim 1, characterized in that: The rotating plate (5) is provided with a rotating block (16) in the middle of both ends, and the avoidance groove (6) is provided with a rotating groove (17) at both ends corresponding to the rotating block (16). The rotating plate (5) is rotatably matched with the avoidance groove (6) through the rotating block (16) and the rotating groove (17).

4. The modular scissor-foot key structure according to claim 1, characterized in that: A plurality of first connection buckles (18) and a plurality of second connection buckles (19) are arranged at both ends of the bottom plate (4); the second connection buckles (19) are arranged between two groups of the first connection buckles (18); and the plurality of the second connection buckles (19) and the first connection buckles (18) are arranged alternately up and down; the two groups of the first connection buckles (18) and the second connection buckles (19) at both ends of the bottom plate (4) are arranged in opposite directions up and down.

5. A modular scissor-foot key structure according to claim 4, characterized in that: The two groups of bottom plates (4) are connected via a plurality of the first connecting buckles (18) and a plurality of the second connecting buckles (19) at corresponding ends.

6. A modular scissor-foot key structure according to claim 5, characterized in that: The number of the scissor foot modules (2) is adapted to the sizes of the key cap (3) and the substrate (1), and the number of the first sliding buckle (9) and the first rotating shaft buckle (10) on the key cap (3) and the second sliding buckle (11) and the second rotating shaft buckle (12) on the substrate (1) is adapted to the number of the scissor foot modules (2).

7. The modular scissor-foot key structure according to claim 4, characterized in that: The connecting ends of a plurality of the first connecting buckles (18) and a plurality of the second connecting buckles (19) at both ends of the bottom plate (4) are both provided with inclined surface structures.

8. The modular scissor-foot key structure according to claim 1, characterized in that: A plurality of buffer strips (20) are arranged on both sides of the lower end surface of the key cap (3), and the plurality of buffer strips (20) on both sides of the lower end surface of the key cap (3) respectively cooperate with the plurality of bottom plates (4) and the plurality of rotating plates (5).

9. The modular scissor-foot key structure according to claim 1, characterized in that: The base plate (1) is also provided with a plurality of weight-reducing openings (21).

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