Soft elastic mechanical keyboard

Abstract

The utility model provides a soft elastic mechanical keyboard, which comprises an upper cover shell, a positioning plate, a circuit board, a lower cover shell and a plurality of elastic pieces, each elastic piece comprises an upper end elastic wall, a lower end elastic wall and a side elastic wall, and the side elastic wall is connected between the upper end elastic wall and the lower end elastic wall to define an accommodating cavity. A plurality of elastic arms arranged at intervals in the circumferential direction of the positioning plate are arranged on the periphery of the positioning plate, one end of each elastic arm is inserted into the containing cavity in a matched mode, the upper end elastic wall elastically abuts against the position between the upper end plate and the upper end face of the corresponding elastic arm, and the lower end elastic wall elastically abuts against the position between the lower end face of the corresponding elastic arm and the supporting part of the lower cover shell. The side face elastic wall abuts between the outer peripheral face of the elastic arm and the upper side peripheral plate of the upper cover shell or the lower side peripheral plate of the lower cover shell, an arc elastic cavity communicated with the containing cavity is formed in the upper end face of the lower end elastic wall, and the arc elastic cavity is away from the elastic arm and is bent downwards in a protruding mode. According to the soft elastic mechanical keyboard, the elastic movement stroke can be increased, so that the soft elastic comfort of the hand feeling of knocking the keys is better, and the use experience of a user is improved.

Description

Technical Field

[0001] This utility model relates to the field of peripheral electronic input device technology, and in particular to a soft-touch mechanical keyboard. Background Technology

[0002] Mechanical keyboards, as a type of peripheral electronic input device, are composed of different key technologies and electronic switch systems. Their main function is to input data, and they can also be used in computer systems to operate other machines or devices.

[0003] To meet the demand of some users for a soft and responsive key feel, patent CN216871813U discloses a mechanical keyboard with a soft and responsive key feel and a clean and consistent keystroke sound. The keyboard includes a keyboard housing, a fixing plate located inside the keyboard housing, a PCB board, and several keys mounted on the fixing plate and protruding from the top of the keyboard housing. The fixing plate is located above the PCB board. The PCB board has key shaft holes, and the bottom of the keys passes through through holes in the fixing plate and extends into the key shaft holes. The fixing plate is square in shape, and elastic silicone is provided around its four edges. The elastic silicone has a top buffer, a bottom buffer, and an outer buffer. The top buffer is placed between the top of the fixed plate and the top cover to form vertical buffer. The bottom buffer is placed between the bottom of the fixed plate and the bottom cover to form vertical buffer. The outer buffer is placed between the outer periphery of the fixed plate and the inner periphery of the keyboard shell to form horizontal buffer. By placing elastic silicone on the four edges of the fixed plate, the fixed plate is cushioned and shock-absorbing, which effectively improves the shock absorption and noise reduction effect, and further makes the key operation feel soft and bouncy.

[0004] However, the top buffer portion, bottom buffer portion and outer buffer portion of the aforementioned elastic silicone form an insertion cavity for accommodating the edge of the fixing plate. The insertion cavity has a simple rectangular structure that covers the edge of the fixing plate, and the top buffer portion and bottom buffer portion of the elastic silicone are basically the same height. This results in a short elastic stroke of the elastic silicone in the normal direction of the fixing plate, which in turn results in a relatively stiff soft and bouncy feel when pressing the button, affecting the comfort of the soft and bouncy feel when pressing the button. Summary of the Invention

[0005] To achieve the main objective of this utility model, it provides a soft and springy mechanical keyboard that can increase the elastic travel range, making the keystroke feel softer and more comfortable, thereby improving the user experience.

[0006] To achieve the main objective of this utility model, it provides a soft-spring mechanical keyboard, comprising an upper cover, a positioning plate, a circuit board, a lower cover, and multiple elastic elements. The upper and lower covers are closed to form a receiving cavity. The positioning plate is movably disposed within the receiving cavity in the normal direction of the upper end plate of the upper cover. The circuit board is fixedly disposed on the lower end of the positioning plate in the normal direction of the upper end plate, and is electrically connected to a key. The key is supported on the positioning plate, and the striking end of the key protrudes from the upper end plate in the normal direction and is provided with a keycap. Each elastic element includes an upper spring wall, a lower spring wall, and a side spring wall. The side spring wall is connected to... A cavity with an insertion port on one side is formed between the upper and lower elastic walls. Multiple elastic arms are arranged around the periphery of the positioning plate at circumferential intervals. One end of each elastic arm is inserted into and adapted to a cavity. The upper elastic wall elastically abuts against the upper end face of the upper plate and the upper end face of the elastic arm. The lower elastic wall elastically abuts against the lower end face of the elastic arm and the support part of the lower cover. The side elastic wall abuts against the outer circumferential surface of the elastic arm and the upper side circumferential plate of the upper cover or the lower side circumferential plate of the lower cover. The upper end face of the lower elastic wall has an arc-shaped cavity that communicates with the cavity. The arc-shaped cavity is convex and curved away from the elastic arm.

[0007] As can be seen from the above scheme, the positioning plate of the soft-spring mechanical keyboard of this utility model is movably disposed in the receiving cavity formed by the upper and lower covers in the normal direction of the upper end plate of the upper cover. The circuit board is fixed on the lower end of the positioning plate in the normal direction of the upper end plate, so that the positioning plate can drive the circuit board to move synchronously in the normal direction of the upper end plate. Since the soft-spring mechanical keyboard of this utility model is provided with multiple elastic elements, each elastic element includes an upper elastic wall, a lower elastic wall and a side elastic wall. The side elastic wall is connected between the upper and lower elastic walls to form a receiving cavity with an insertion port on one side. The periphery of the positioning plate is provided with multiple elastic arms arranged at circumferential intervals. One end of an elastic arm is inserted into and adapted to a receiving cavity. The upper elastic wall elastically abuts against the upper end plate and the upper end surface of the elastic arm, the lower elastic wall elastically abuts against the lower end surface of the elastic arm and the support part of the lower cover, and the side elastic wall abuts against the outer peripheral surface of the elastic arm and the upper side peripheral plate of the upper cover or the lower side peripheral plate of the lower cover. Therefore, when the keycap is pressed downwards in the normal direction of the upper plate to force the key on the circuit board to move downwards, the downward-moving key transmits a downward-pressing impact force to the circuit board, thereby driving the positioning plate to move downwards in the normal direction of the upper plate. The elastic arm of the positioning plate forces the lower end of the elastic element to elastically compress and deform downwards in the normal direction of the upper plate. Since the upper end surface of the lower end of the elastic element of this utility model has an arc-shaped spring cavity that communicates with the receiving cavity, and the arc-shaped spring cavity is bent downwards away from the elastic arm, it can increase the stroke of the positioning plate moving downwards elastically. Moreover, the arc-shaped spring cavity makes the lower end of the elastic element both ribbed and resilient, which can avoid the soft and bouncy feel of the key being too soft or too hard, thus affecting the user's touch. This makes the soft and bouncy feel of the key being more comfortable, thereby improving the user experience. When the keycap is released and the key resets, the lower end of the elastic element springs back to its original position, forcing the positioning plate to move synchronously upwards along the normal direction of the upper plate. This causes the elastic arm of the positioning plate to press the upper end of the elastic element against the upper plate of the upper cover, providing elastic cushioning for the positioning plate's reset and reducing noise. This ensures stable and reliable elastic reset performance of the positioning plate and the circuit board. Furthermore, during the normal upward movement of the upper plate, the side spring of the elastic element in this soft-spring mechanical keyboard remains in contact with the outer periphery of the elastic arm of the positioning plate and the upper or lower peripheral plate of the upper or lower cover. This prevents rigid friction between the elastic arm of the positioning plate and the upper or lower peripheral plate of the upper or lower cover, thus reducing noise and achieving noise reduction.

[0008] A further embodiment is that each elastic arm includes a connecting arm section and a cantilever section. The connecting arm section is connected between the middle of the cantilever section and the periphery of the positioning plate. One cantilever section is inserted into and adapted into a receiving cavity. The upper end elastic wall elastically abuts against the upper end plate and the upper end face of the cantilever section. The lower end elastic wall elastically abuts against the lower end face of the cantilever section and the support part of the lower cover. The side elastic wall abuts against the outer peripheral surface of the cantilever section and the upper side peripheral plate of the upper cover or the lower side peripheral plate of the lower cover. The arc-shaped elastic cavity is located in the middle of the receiving cavity and is symmetrically arranged about the connecting arm section.

[0009] A further embodiment is that, in the elastic reset state and along the normal direction of the upper end plate, the height of the lower end spring wall is greater than the height of the upper end spring wall; and / or, the corner between the upper end face of the upper end spring wall and the outer peripheral face of the side spring wall is set with an inclined chamfer; and / or, the corner between the lower end face of the lower end spring wall and the two opposite outer surfaces of the side spring wall is set with an inclined chamfer.

[0010] A further solution is to have multiple limiting grooves on the lower cover, with the lower end of an elastic element located within one limiting groove.

[0011] A further design includes a rechargeable battery and a battery cover. The rechargeable battery is located on the lower end plate of the lower cover and within the receiving cavity. The rechargeable battery is electrically connected to the circuit board. An external connection port is provided through the lower peripheral plate. The external connection port is electrically connected to the rechargeable battery or the circuit board. The battery cover covers the outer periphery of the rechargeable battery. The cover wall of the battery cover is located at the upper end of the rechargeable battery and is connected to the lower end plate by a first screw. Spring arms are provided at opposite ends of the cover wall. Each spring arm is connected to the lower end plate by a second screw.

[0012] A further embodiment is that the soft-spring mechanical keyboard also includes an elastic pad, which elastically abuts against the cover wall and the upper surface of the rechargeable battery; and / or, the inner side of the lower end plate is provided with multiple support ridges, which are arranged on and supported on the lower surface of the rechargeable battery; and / or, the soft-spring mechanical keyboard also includes two counterweights, which are symmetrically arranged about the rechargeable battery and are located on the lower end plate and within the receiving cavity.

[0013] A further design is that each spring arm includes a linkage arm segment and a mounting arm segment. The linkage arm segment is connected to the middle of the cover plate wall and the mounting arm segment, and the two ends of the mounting arm segment away from the linkage arm segment are connected to the lower end plate by second screws.

[0014] A further embodiment is that the soft-spring mechanical keyboard also includes a decorative cover, a circumferential wall protruding from the upper surface of the positioning plate, the top of the circumferential wall extending through the upper end plate, the decorative cover covering the top of the circumferential wall, and the decorative cover protruding with a buckle that inserts into the circumferential wall and hooks into the groove of the circumferential wall; and / or, the soft-spring mechanical keyboard also includes an anti-slip strip, which is provided on the outer end surface of the lower end plate of the lower cover.

[0015] A further design includes an adjustable bracket. The outer end face of the lower end plate of the lower cover has a recessed storage groove. The hinge end of the storage groove has shaft holes on opposite sides. The hinge end of the adjustable bracket has a pivot protruding from opposite sides. One pivot is rotatably inserted into one shaft hole, allowing the adjustable bracket to rotate from the retracted position to the outward-folding position. In the retracted position, the adjustable bracket is located inside the storage groove. In the outward-folding position, the support end of the adjustable bracket away from the pivot is located outside the storage groove. The support end of the adjustable bracket is equipped with an anti-slip pad.

[0016] A further design involves a positioning strip protruding from the bottom surface of the hinge end of the storage slot. The positioning strip is located between two shaft holes and extends axially upward from the shaft holes. The inner end face of the hinge end of the adjusting bracket is recessed with a first positioning groove, and the outer end face of the hinge end of the adjusting bracket is recessed with a second positioning groove. In the storage position, the first positioning groove engages with the positioning strip. In the outward-folding position, the second positioning groove engages with the positioning strip. Attached Figure Description

[0017] Figure 1 This is a first-view structural diagram of an embodiment of the soft-touch mechanical keyboard of this utility model.

[0018] Figure 2 This is a second-view structural diagram of an embodiment of the soft-touch mechanical keyboard of this utility model.

[0019] Figure 3 This is a cross-sectional view of an embodiment of the soft-touch mechanical keyboard of this utility model.

[0020] Figure 4 This is an exploded view of an embodiment of the soft-touch mechanical keyboard of this utility model.

[0021] Figure 5 This is a structural diagram showing the cooperation between the lower cover and related components in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0022] Figure 6 This is a structural diagram of the battery cover in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0023] Figure 7 This is a first partial structural cross-sectional view of the lower cover shell and related components in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0024] Figure 8 This is a second partial structural cross-sectional view of the lower cover shell and related components in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0025] Figure 9 This is a third partial structural cross-sectional view of the lower cover shell and related components in an embodiment of the soft-spring mechanical keyboard of this utility model.

[0026] Figure 10 This is a structural diagram of the adjustment bracket in an embodiment of the soft-spring mechanical keyboard of this utility model.

[0027] Figure 11 This is a structural diagram of the elastic element in an embodiment of the soft-spring mechanical keyboard of this utility model.

[0028] Figure 12 This is a structural diagram showing the cooperation between the positioning plate and related components in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0029] Figure 13 This is a first partial structural cross-sectional view of the positioning plate and related components in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0030] Figure 14 This is a second partial structural cross-sectional view of the positioning plate and related components in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0031] Figure 15 This is a partial structural diagram of the upper cover shell in an embodiment of the soft-touch mechanical keyboard of this utility model.

[0032] The present invention will be further described below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0033] See Figures 1 to 15This embodiment discloses a soft-touch mechanical keyboard 10, including an upper cover 11, a positioning plate 17, a circuit board 18, and a lower cover 12. The upper cover 11 and the lower cover 12 are closed to form a receiving cavity (not shown). The positioning plate 17 is movably disposed in the receiving cavity in the normal direction of the upper end plate 111 of the upper cover 11. The circuit board 18 is fixedly disposed on the lower end of the positioning plate 17 in the normal direction of the upper end plate 111, and the circuit board 18 is electrically connected to a key 181. The key 181 is supported on the positioning plate 17, and the striking end of the key 181 extends out of the upper end plate 111 in the normal direction of the upper end plate 111 and is provided with a keycap 13. Furthermore, the soft-spring mechanical keyboard 10 in this embodiment also includes a plurality of elastic elements 19. Each elastic element 19 includes an upper elastic wall 191, a lower elastic wall 192, and a side elastic wall 193. The side elastic wall 193 is connected between the upper elastic wall 191 and the lower elastic wall 192 to form a receiving cavity 194 with an insertion port on one side. The periphery of the positioning plate 17 is provided with a plurality of elastic arms 170 arranged at circumferential intervals. One end of an elastic arm 170 is inserted into and adapted to a receiving cavity 194. The upper elastic wall 191 elastically abuts against the upper plate 111 and the upper end surface of the elastic arm 170. The lower elastic wall 192 elastically abuts against the lower end surface of the elastic arm 170 and the support portion 1222 of the lower cover 12. The side elastic wall 193 abuts against the outer peripheral surface of the elastic arm 170 and the upper side peripheral plate 112 of the upper cover 11 or the lower side peripheral plate 121 of the lower cover 12. In addition, in this embodiment, the upper end surface of the lower end spring wall 192 is provided with an arc spring cavity 195 that communicates with the accommodating cavity 194, and the arc spring cavity 195 is bent downward away from the elastic arm 170.

[0034] In this embodiment, the positioning plate 17 of the soft and springy mechanical keyboard 10 is movably disposed in the accommodating cavity formed between the upper cover 11 and the lower cover 12 in the normal direction of the upper end plate 111 of the upper cover 11. The circuit board 18 is fixed on the lower end of the positioning plate 17 in the normal direction of the upper end plate 111, so that the positioning plate 17 can drive the circuit board 18 to move synchronously in the normal direction of the upper end plate 111. Because the soft-touch mechanical keyboard 10 in this embodiment is provided with multiple elastic elements 19, each elastic element 19 includes an upper elastic wall 191, a lower elastic wall 192 and a side elastic wall 193. The side elastic wall 193 is connected between the upper elastic wall 191 and the lower elastic wall 192 to form a receiving cavity 194 with an insertion port on one side. The periphery of the positioning plate 17 is provided with multiple elastic arms 170 arranged at circumferential intervals. One end of an elastic arm 170 is inserted into and adapted to a receiving cavity 194. The upper elastic wall 191 elastically abuts against the upper plate 111 and the upper end surface of the elastic arm 170. The lower elastic wall 192 elastically abuts against the lower end surface of the elastic arm 170 and the support portion 1222 of the lower cover 12. The side elastic wall 193 abuts against the outer peripheral surface of the elastic arm 170 and the upper side peripheral plate 112 of the upper cover 11 or the lower side peripheral plate 121 of the lower cover 12. Therefore, when the keycap 13 is pressed downwards in the normal direction of the upper plate 111 to force the button 181 on the circuit board 18 to move downwards, the downward-moving button 181 transmits a downward-pressing impact force to the circuit board 18, thereby driving the positioning plate 17 to move downwards in the normal direction of the upper plate 111. The elastic arm 170 of the positioning plate 17 then forces the lower end spring wall 192 of the elastic member 19 to elastically compress and deform downwards in the normal direction of the upper plate 111. Because in this embodiment, the lower end spring wall 192 of the elastic member 19... An arc-shaped spring cavity 195 is provided on the end face and communicates with the receiving cavity 194. The arc-shaped spring cavity 195 is curved downward away from the elastic arm 170, which can increase the stroke of the positioning plate 17 moving downward elastically. The setting of the arc-shaped spring cavity 195 makes the lower end spring wall 192 of the elastic member 19 have both ribbed and resilient characteristics, which can prevent the soft and bouncy feel of the button 181 from being too soft or too hard and affecting the user's touch. This makes the soft and bouncy feel of the button 181 more comfortable, thereby improving the user experience. When the keycap 13 is released and the key 181 is reset, the lower end spring wall 192 of the elastic element 19 elastically resets, thereby forcing the positioning plate 17 to move the circuit board 18 synchronously upward in the normal direction of the upper end plate 111. This causes the elastic arm 170 of the positioning plate 17 to force the upper end spring wall 191 of the elastic element 19 to press against the upper end plate 111 of the upper cover 11, so as to play an elastic buffering role in the reset of the positioning plate 17 and play a role in noise reduction, thereby ensuring that the elastic reset performance of the positioning plate 17 driving the circuit board 18 is stable and reliable.Furthermore, during the normal upward movement of the upper end plate 111, the side elastic wall 193 of the elastic member 19 of the positioning plate 17 of the soft-spring mechanical keyboard 10 in this embodiment always remains in contact with the outer peripheral surface of the elastic arm 170 of the positioning plate 17 and the upper peripheral plate 112 of the upper cover 11 or the lower peripheral plate 121 of the lower cover 12, thereby avoiding rigid friction between the elastic arm 170 of the positioning plate 17 and the upper peripheral plate 112 of the upper cover 11 or the lower peripheral plate 121 of the lower cover 12, which would generate noise and achieve the effect of noise reduction.

[0035] To further enhance the comfort of the soft and bouncy feel, each elastic arm 170 in this embodiment includes a connecting arm segment 172 and a cantilever segment 171. The connecting arm segment 172 connects the middle of the cantilever segment 171 and the periphery of the positioning plate 17. One cantilever segment 171 is inserted into and adapted in a receiving cavity 194. The upper end elastic wall 191 elastically abuts against the upper end plate 111 and the upper end surface of the cantilever segment 171. The lower end elastic wall 192 elastically abuts against the lower end surface of the cantilever segment 171 and the support portion 1222 of the lower cover 12. The side elastic wall 193 abuts against the outer peripheral surface of the cantilever segment 171 and the upper side peripheral plate 112 of the upper cover 11 or the lower side peripheral plate 121 of the lower cover 12. The arc-shaped elastic cavity 195 is located in the middle of the receiving cavity 194 and is symmetrically arranged about the connecting arm segment 172. Furthermore, in this embodiment, in the elastic reset state and along the normal direction of the upper plate 111, the height of the lower elastic wall 192 is greater than the height of the upper elastic wall 191, thereby further increasing the stroke of the positioning plate 17 moving elastically downward.

[0036] To facilitate the assembly of components, in this embodiment, the corner 196 between the upper end face of the upper end spring wall 191 and the outer peripheral face of the side spring wall 193 is set with an inclined chamfer, and the corner 197 between the lower end face of the lower end spring wall 192 and the two opposite outer surfaces of the side spring wall 193 is set with an inclined chamfer.

[0037] In order to limit the elastic element 19 and improve the working stability and reliability of the elastic element 19, the lower cover 12 of this embodiment is provided with multiple limiting grooves 1223, and the lower end of the elastic element 19 is located in a limiting groove 1223.

[0038] Combination Figures 5 to 7In this embodiment, the soft-touch mechanical keyboard 10 also includes a rechargeable battery 150 and a battery cover 120. The rechargeable battery 150 is disposed on the lower end plate 122 of the lower cover 12 and located in the receiving cavity. The rechargeable battery 150 is electrically connected to the circuit board 18. The lower peripheral plate 121 is provided with an external connection port 14, which is electrically connected to the rechargeable battery 150 or the circuit board 18. The battery cover 120 covers the outer periphery of the rechargeable battery 150. The cover wall of the battery cover 120 is located at the upper end of the rechargeable battery 150 and is connected to the lower end plate 122 by a first screw (not shown). The opposite ends of the cover wall of the battery cover 120 are respectively provided with spring arms 1201. Each spring arm 1201 is connected to the lower end plate 122 by a second screw 160. Therefore, in this embodiment, the battery cover 120 of the soft-touch mechanical keyboard 10 covers the outer periphery of the rechargeable battery 150, and the cover wall of the battery cover 120 covering the upper end of the rechargeable battery 150 is connected to the lower end plate 122 by a first screw, thereby restricting the rechargeable battery 150 on the lower end plate 122 of the lower cover 12. The cover wall of the battery cover 120 is provided with spring arms 1201 at opposite ends, and each spring arm 1201 is connected to the lower end plate 122 by a second screw 160. The spring arm 1201 has the ability to deform downwards, so the downward deformation of the spring arm 1201 can force the cover wall of the battery cover 120 to press downwards against the upper end surface of the rechargeable battery 150, thereby stably and reliably restricting the rechargeable battery 150 on the lower end plate 122 of the lower cover 12.

[0039] To further enhance the stability of the rechargeable battery 150 being confined to the lower end plate 122 of the lower cover 12, each spring arm 1201 in this embodiment includes a linkage arm segment 12011 and a mounting arm segment 12012. The linkage arm segment 12011 is connected to the cover wall of the battery cover 120 and the middle of the mounting arm segment 12012. The two ends of the mounting arm segment 12012 away from the linkage arm segment 12011 are respectively connected to the lower end plate 122 by the second screw 160, thereby enhancing the overall deformation capability of the spring arm 1201, so as to force the cover wall of the battery cover 120 to face downward and stably abut against the upper end of the rechargeable battery 150.

[0040] In order to avoid frictional damage to the upper end of the rechargeable battery 150 caused by the cover wall of the battery cover 120, the soft and springy mechanical keyboard 10 in this embodiment also includes an elastic pad 140, which elastically abuts against the cover wall of the battery cover 120 and the upper end surface of the rechargeable battery 150.

[0041] To dissipate heat from the rechargeable battery 150, a plurality of supporting protrusions 1224 are provided on the inner side of the lower end plate 122 of the lower cover 12 in this embodiment. The plurality of supporting protrusions 1224 are arranged on the lower end surface of the rechargeable battery 150 and support the rechargeable battery 150. Furthermore, in order to balance the weight of the soft-touch mechanical keyboard 10, the soft-touch mechanical keyboard 10 in this embodiment also includes two counterweights 130. The two counterweights 130 are symmetrically arranged about the rechargeable battery 150, and the counterweights 130 are disposed on the lower end plate 122 and located within the receiving cavity.

[0042] To enhance the aesthetic appeal of the soft-touch mechanical keyboard 10 in this embodiment, the soft-touch mechanical keyboard 10 also includes a decorative cover 110. A circumferential wall 173 protrudes from the upper surface of the positioning plate 17. The top of the circumferential wall 173 extends through the upper end plate 111. The decorative cover 110 covers the top of the circumferential wall 173, and a buckle 1101 protrudes from the decorative cover 110. The buckle 1101 is inserted into the circumferential wall 173 and hooked into the slot 1731 of the circumferential wall 173.

[0043] In order to ensure that the soft and springy mechanical keyboard 10 of this embodiment is placed stably on the support platform and to avoid slippage that would affect the user experience, the soft and springy mechanical keyboard 10 of this embodiment also includes an anti-slip strip 15, which is disposed on the outer end surface of the lower end plate 122 of the lower cover 12.

[0044] Specifically, the soft-touch mechanical keyboard 10 in this embodiment also includes an adjustment bracket 16. A storage groove 1221 is recessed into the outer end face of the lower end plate 122 of the lower cover 12. A shaft hole 12211 is respectively provided on the two opposite sides of the hinge end of the storage groove 1221. A pivot 161 is respectively protruding from the two opposite sides of the hinge end of the adjustment bracket 16. One pivot 161 is rotatably inserted into one pivot hole 12211, allowing the adjustment bracket 16 to rotate from the stored position to the outward-folding position. In the stored position, the adjustment bracket 16 is located within the storage groove 1221; in the outward-folding position, the support end of the adjustment bracket 16 away from the pivot 161 is located outside the storage groove 1221. An anti-slip pad 164 is provided on the support end of the adjustment bracket 16 to ensure stable placement of the support end on the support platform, thus adapting to different user needs.

[0045] Furthermore, in this embodiment, a positioning strip 12212 protrudes from the bottom surface of the hinge end of the storage groove 1221. The positioning strip 12212 is located between the two shaft holes 12211 and extends axially in the shaft holes 12211. A first positioning groove 162 is recessed on the inner end face of the hinge end of the adjusting bracket 16, and a second positioning groove 163 is recessed on the outer end face of the hinge end of the adjusting bracket 16. When the adjusting bracket 16 is in the storage position within the storage groove 1221, the first positioning groove 162 of the adjusting bracket 16 engages with the positioning strip 12212, effectively preventing the adjusting bracket 16 from detaching from the storage groove 1221, thus stably confining the adjusting bracket 16 within the storage groove 1221. When the adjusting bracket 16 is in the outward-folded position outside the storage groove 1221 for support, the second positioning groove 163 of the adjusting bracket 16 engages with the positioning strip 12212, thereby allowing the adjusting bracket 16 to stably open and support itself on the support platform.

[0046] Furthermore, in this embodiment, a hook 1121 is provided on the inner side of the upper peripheral plate 112 of the upper cover 11, and a hook groove 1211 is provided on the outer side of the lower peripheral plate 121 of the lower cover 12. The hook 1121 is securely hooked into the hook groove 1211, so that the upper cover 11 and the lower cover 12 are securely closed to form a receiving cavity.

[0047] The above embodiments are merely preferred examples of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles of this utility model patent application should be included within the scope of this utility model patent application.

Claims

1. A soft-touch mechanical keyboard, comprising an upper cover, a positioning plate, a circuit board, and a lower cover, wherein the upper cover and the lower cover are fitted together to form a receiving cavity, the positioning plate is movably disposed within the receiving cavity in the normal direction of the upper end plate of the upper cover, the circuit board is fixedly disposed on the lower end of the positioning plate in the normal direction of the upper end plate, and the circuit board is electrically connected to a key, the key is supported on the positioning plate, and the striking end of the key protrudes from the upper end plate in the normal direction of the upper end plate and is provided with a keycap, characterized in that: The soft-spring mechanical keyboard also includes multiple elastic elements. Each elastic element includes an upper elastic wall, a lower elastic wall, and a side elastic wall. The side elastic wall is connected between the upper elastic wall and the lower elastic wall to form a receiving cavity with an insertion port on one side. The periphery of the positioning plate is provided with multiple elastic arms arranged at circumferential intervals. One end of one elastic arm is inserted into and adapted to one of the receiving cavities. The upper elastic wall elastically abuts against the upper end plate and the upper end face of the elastic arm. The lower elastic wall elastically abuts against the lower end face of the elastic arm and the support part of the lower cover. The side elastic wall abuts against the outer peripheral surface of the elastic arm and the upper side peripheral plate of the upper cover or the lower side peripheral plate of the lower cover. The upper end face of the lower end spring wall is provided with an arc-shaped spring cavity that communicates with the accommodating cavity, and the arc-shaped spring cavity is convex and curved away from the elastic arm.

2. The soft-touch mechanical keyboard according to claim 1, characterized in that: Each of the elastic arms includes a connecting arm segment and a cantilever segment. The connecting arm segment connects the middle of the cantilever segment and the periphery of the positioning plate. One cantilever segment is inserted into and adapted within a receiving cavity. The upper end elastic wall elastically abuts against the upper end plate and the upper end face of the cantilever segment. The lower end elastic wall elastically abuts against the lower end face of the cantilever segment and the support portion of the lower cover. The side elastic wall abuts against the outer peripheral surface of the cantilever segment and the upper side peripheral plate of the upper cover or the lower side peripheral plate of the lower cover. The arc-shaped elastic cavity is located in the middle of the receiving cavity and is symmetrically arranged about the connecting arm segment.

3. The soft-touch mechanical keyboard according to claim 1, characterized in that: In the elastic reset state and along the normal direction of the upper end plate, the height of the lower end elastic wall is greater than the height of the upper end elastic wall; And / or, the corner between the upper end face of the upper end spring wall and the outer peripheral face of the side spring wall is set with an inclined chamfer; And / or, the lower end face of the lower end spring wall and the corners of the two opposite outer sides of the side spring wall are inclined and chamfered.

4. The soft-touch mechanical keyboard according to claim 1, characterized in that: The lower cover has multiple limiting grooves, and the lower end of one of the elastic elements is located in one of the limiting grooves.

5. The soft-touch mechanical keyboard according to claim 1, characterized in that: The soft-spring mechanical keyboard also includes a rechargeable battery and a battery cover. The rechargeable battery is disposed on the lower end plate of the lower cover and located in the receiving cavity. The rechargeable battery is electrically connected to the circuit board. An external connection port is provided through the lower peripheral plate. The external connection port is electrically connected to the rechargeable battery or the circuit board. The battery cover covers the outer periphery of the rechargeable battery, and the cover wall of the battery cover is located at the upper end of the rechargeable battery and is connected to the lower end plate by a first screw. Each end of the cover wall is provided with a spring arm, and each spring arm is connected to the lower end plate by a second screw.

6. The soft-touch mechanical keyboard according to claim 5, characterized in that: The soft-touch mechanical keyboard also includes an elastic pad, which elastically abuts against the cover wall and the upper surface of the rechargeable battery. And / or, the inner side of the lower end plate is provided with a plurality of supporting protrusions, and the plurality of supporting protrusions are arranged on the lower end surface of the rechargeable battery and supported on the lower end surface of the rechargeable battery. And / or, the soft-spring mechanical keyboard further includes two counterweights, which are symmetrically arranged about the rechargeable battery and are located on the lower end plate and within the receiving cavity.

7. The soft-touch mechanical keyboard according to claim 5, characterized in that: Each of the spring arms includes a linkage arm segment and a mounting arm segment. The linkage arm segment is connected to the middle of the cover plate wall and the mounting arm segment. The two ends of the mounting arm segment away from the linkage arm segment are respectively connected to the lower end plate by the second screw.

8. The soft-touch mechanical keyboard according to claim 1, characterized in that: The soft and springy mechanical keyboard also includes a decorative cover. The upper end face of the positioning plate is provided with a circumferential wall. The top end of the circumferential wall extends through the upper end plate. The decorative cover covers the top end of the circumferential wall and is provided with a buckle. The buckle is inserted into the circumferential wall and hooked into the groove of the circumferential wall. And / or, the soft-touch mechanical keyboard further includes an anti-slip strip, which is disposed on the outer end face of the lower end plate of the lower cover.

9. The soft-touch mechanical keyboard according to any one of claims 1 to 8, characterized in that: The soft and springy mechanical keyboard also includes an adjustment bracket. The outer end face of the lower end plate of the lower cover is recessed with a storage groove. The hinge end of the storage groove is provided with shaft holes on both sides. The hinge end of the adjustment bracket is provided with a rotating shaft on both sides. One of the rotating shafts is rotatably inserted into one of the shaft holes so that the adjustment bracket can be rotated from the storage position to the outward flip position. In the storage position, the adjusting bracket is located inside the storage slot; in the outward-folding position, the supporting end of the adjusting bracket away from the rotating shaft is located outside the storage slot; the supporting end of the adjusting bracket is provided with an anti-slip pad.

10. The soft-touch mechanical keyboard according to claim 9, characterized in that: The hinge end of the storage slot has a protruding positioning strip on the bottom surface. The positioning strip is located between the two shaft holes and extends axially in the shaft holes. The inner end face of the hinge end of the adjustment bracket has a first positioning groove recessed inward, and the outer end face of the hinge end of the adjustment bracket has a second positioning groove recessed inward. In the storage position, the first positioning groove engages with the positioning strip; in the outward-folding position, the second positioning groove engages with the positioning strip.

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