Spring-free reset keyboard key
By replacing the spring with a magnetic reset component in the keyboard key, the switch core is suspended and reset using a magnetic induction field, which solves the problem of easy wear and tear of the reset spring and improves the pressing feel and reset speed.
Patent Information
- Application Number
- CN202520348798.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-03
AI Technical Summary
The return springs of existing keyboard keys are prone to wear and tear after prolonged use, which can cause the switch core to fail to return to its original position or affect the pressing feel.
The reset assembly consists of a first magnet and a second magnet. A magnetic induction force field is formed between the shaft core and the pressing inner cavity. The shaft core is suspended and reset by magnetic repulsion, eliminating the need for the traditional spring structure.
It achieves a springless, soft-touch feel, quick and easy reset, avoids spring noise, and improves the keyboard's lifespan and typing experience.
Smart Images

Figure CN223858053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to keyboard key technical field, concretely is a spring reset keyboard key. BACKGROUND
[0002] Keyboard is used for operating computer equipment to run a kind of instruction and data input device. Keyboard is most commonly used and also the most main input device, and English letters, Chinese characters, numbers, punctuation marks etc. can be input to computer through keyboard, to issue command to computer, input data etc.
[0003] In the existing keyboard key, it is generally composed of shell and shaft core arranged in the shell, wherein the reset spring is arranged at the bottom of the shaft core, the shaft core is generally reset by the reset spring, and the shaft core is kept at the highest position of the key. The mechanical structure of the reset spring will be damaged after a long time of use, which causes the shaft core to be unable to reset or affects the pressing quality of the keyboard. Therefore, in view of the above situation, it is urgent to develop a spring reset keyboard key to meet the needs of actual use. SUMMARY
[0004] The utility model aims at providing a spring reset keyboard key to solve the above-mentioned defects.
[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme:
[0006] A spring reset keyboard key, comprising a shell and a shaft core arranged in the shell, the shell is a pressing cavity, a reset assembly is arranged between the bottom end of the shaft core and the pressing cavity, the shaft core can move up and down in the pressing cavity through the reset assembly, the reset assembly is composed of a first magnet and a second magnet, the first magnet is arranged at the bottom end of the shaft core, the second magnet is arranged on the inner wall of the pressing cavity, and the magnetic pole direction between the first magnet and the second magnet is consistent.
[0007] In the above description, as a further scheme, the shell is composed of an upper shell and a base, and the shaft core is arranged between the upper shell and the base, the pressing cavity is arranged in the base, and the first magnet and the second magnet are both cylindrical structures.
[0008] In the above description, as a further scheme, the bottom end of the shaft core is provided with a first embedding groove, the first magnet is embedded and fixed in the first embedding groove, the inner wall of the pressing cavity is provided with a second embedding groove, and the second magnet is embedded and fixed in the second embedding groove.
[0009] In the above description, as a further scheme, the bottom end of the base is provided with a third embedding groove, the third embedding groove is provided with a third magnet, and the third magnet is located directly below the first magnet.
[0010] In the above description, as a further scheme, the upper shell is provided with an insertion buckle strip around the bottom, the base is provided with a buckle groove matched with the insertion buckle strip, and the upper shell is fixed by buckling with the buckle groove around the base.
[0011] In the above description, as a further scheme, a pressing hole is formed in the center of the top of the upper shell, and the top end of the shaft core extends to the upper shell through the pressing hole.
[0012] In the above description, as a further scheme, the inside of the base is provided with a plurality of upward protruding guide columns, the inner wall of the guide column is provided with a vertical sliding groove, the side wall of the shaft core is provided with an outward protruding sliding block, the shaft core is embedded with the sliding block and the sliding groove of the inner wall of the guide column, and when the shaft core moves up and down in the shell, the sliding block can slide along the track of the sliding groove.
[0013] In the above description, as a further scheme, a light guide insertion block is arranged on one side of the upper shell in the vertical direction, and the top end surface of the light guide insertion block is an outwardly inclined mapping inclined surface.
[0014] In the above description, as a further scheme, a downward protruding positioning column is arranged at the corner of the bottom end surface of the upper shell, and a positioning hole matched with the positioning column is arranged at the corner of the top end surface of the base, and when the upper shell is buckled with the base, the positioning column is inserted and fixed with the corresponding positioning hole.
[0015] In the above description, as a further scheme, the bottom end surface of the base is provided with an upward protruding knocking protrusion, and the knocking protrusion is located directly below the first magnet.
[0016] The beneficial effects of the present application are as follows:
[0017] The springless reset keyboard key of the present application is composed of a reset assembly of a first magnet and a second magnet, the magnetic pole directions between the first magnet and the second magnet are consistent, a magnetic induction force field can be formed between the shaft core and the pressing inner cavity, when no force is applied on the shaft core, the shaft core can form a suspended structure upward by magnetic repulsion between the first magnet and the second magnet, and the keyboard key with the reset assembly has the characteristics of soft pressing, fast and light resetting without spring noise. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the springless reset keyboard key of the present application;
[0019] Figure 2 It is a structure exploded view of the springless reset keyboard key of the present application;
[0020] Figure 3The utility model discloses a sectional view structure schematic diagram of springless reset keyboard key.
[0021] Figure 4 The utility model discloses a structure schematic diagram of the upper shell.
[0022] Figure 5 The utility model discloses a structure schematic diagram of the base.
[0023] Figure 6 The utility model discloses a structure schematic diagram of the shaft core.
[0024] In the drawing: 1 - upper shell, 11 - press hole, 12 - insert buckle strip, 13 - light guide insert block, 131 - mapping inclined surface, 14 - positioning column, 2 - base, 21 - guide column, 211 - sliding slot, 22 - second embedded groove, 23 - third embedded groove, 24 - press inner cavity, 25 - positioning hole, 3 - shaft core, 31 - first embedded groove, 32 - sliding block, 4 - third magnet, 5 - reset component, 51 - first magnet, 52 - second magnet, 6 - knock convex point. DETAILED DESCRIPTION
[0025] In order to facilitate the understanding of those skilled in the art, the utility model will be further explained below in combination with examples and drawings, and the content mentioned in the implementation mode is not the limitation of the utility model. The utility model is described in detail below in combination with the drawings.
[0026] Please refer to Figures 1-6 A springless reset keyboard key is specifically implemented, which comprises a shell and a shaft core 3 arranged in the shell, the shell is composed of an upper shell 1 and a base 2, the shaft core 3 is arranged between the upper shell 1 and the base 2, a press inner cavity 24 is arranged in the inside of the base 2, a reset component 5 is arranged between the bottom end of the shaft core 3 and the press inner cavity 24, a press hole 11 is arranged in the top center of the upper shell 1, the top end of the shaft core 3 extends to the top of the upper shell 1, the shaft core 3 can be located in the press inner cavity 24 and can move up and down through the reset component 5, the reset component 5 is composed of a first magnet 51 and a second magnet 52, the first magnet 51 is arranged at the bottom end of the shaft core 3, the second magnet 52 is arranged on the inner wall of the press inner cavity 24, the magnetic pole direction between the first magnet 51 and the second magnet 52 is consistent, and the first magnet 51 and the second magnet 52 are both cylindrical structures.
[0027] Specifically, the bottom end of the shaft core 3 is provided with a first embedded groove 31, the first magnet 51 is inlaid and fixed in the inside of the first embedded groove 31, the inner wall of the press inner cavity 24 is provided with a second embedded groove 22, the second magnet 52 is inlaid and fixed in the inside of the second embedded groove 22, the bottom end surface of the base 2 is provided with a third embedded groove 23, the inside of the third embedded groove 23 is provided with a third magnet 4, and the third magnet 4 is located directly below the first magnet 51.
[0028] The reset assembly 5 is composed of the first magnet 51 and the second magnet 52, and the magnetic pole directions of the first magnet 51 and the second magnet 52 are consistent, and a magnetic induction force field is formed between the shaft core 3 and the pressing inner cavity 24. When no force is applied on the shaft core 3, the shaft core 3 can form a suspended structure by magnetic repulsion between the first magnet 51 and the second magnet 52, and the keyboard key with the reset assembly 5 has the characteristics of no spring noise in pressing and resetting, soft pressing feeling, fast resetting, and lightness.
[0029] The second magnet 52 acts on the first magnet 51, and the first magnet 51 and the third magnet 4 repel each other to generate repulsion force when the shaft core 3 is pressed, and the principle of magnetic suspension is adopted.
[0030] Specifically, the bottom of the upper shell 1 is provided with an insertion buckle strip 12, and the bottom of the base 2 is provided with a buckle groove matched with the insertion buckle strip 12. The upper shell 1 is fixed by buckling the insertion buckle strip 12 and the buckle groove of the base 2.
[0031] In a further scheme, the upper shell 1 is provided with a light guide insertion block 13 on one side in the vertical direction, and the top end surface of the light guide insertion block 13 is an outwardly inclined mapping inclined surface 131.
[0032] In a further scheme, the bottom end surface of the upper shell 1 is provided with a positioning column 14 protruding downward at the corner, and the top end surface of the base 2 is provided with a positioning hole 15 matched with the positioning column 14. When the upper shell 1 is buckled with the base 2, the positioning column 14 is inserted and fixed with the corresponding positioning hole 25. When the positioning column 14 is inserted with the corresponding positioning hole 25, the assembly accuracy between the upper shell 1 and the base 2 can be ensured.
[0033] In a further scheme, the bottom end surface of the base 2 is provided with a knocking protrusion 6 protruding upward, and the knocking protrusion 6 is located directly below the first magnet 51. By arranging the knocking protrusion 6 directly below the first magnet 51, the touch sound of the keyboard key can be optimized.
[0034] In a further scheme, the inside of the base 2 is provided with a plurality of guide columns 21 protruding upward, and the inner wall of the guide column 21 is provided with a vertical sliding groove 211. The side wall of the shaft core 3 is provided with a sliding block 32 protruding outward. The shaft core 3 is embedded with the sliding block 32 and the sliding groove 211 of the inner wall of the guide column 21, and when the shaft core 3 moves up and down in the shell, the sliding block 32 can slide along the track of the sliding groove 211. In order to prevent the shaft core 3 from shaking, the sliding block 32 can slide along the track of the sliding groove 211 when the shaft core 3 moves up and down in the shell.
[0035] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application technical solution are within the scope of the present application technical solution.
Claims
1. A springless reset keyboard key, comprising a housing and a spindle disposed inside the housing, the interior of the housing being a pressing cavity, a reset assembly being disposed between the bottom end of the spindle and the pressing cavity, the spindle being able to move up and down within the pressing cavity via the reset assembly, characterized in that: The reset assembly is composed of a first magnet and a second magnet, the first magnet is arranged at the bottom end of the shaft core, the second magnet is arranged at the inner wall of the pressing inner cavity, and the magnetic pole directions of the first magnet and the second magnet are consistent.
2. A springless return keyboard key according to claim 1, characterized in that: The shell is composed of an upper shell and a base, and the shaft core is arranged between the upper shell and the base, the pressing inner cavity is arranged in the base, and the first magnet and the second magnet are both cylindrical structures.
3. A springless return keyboard key according to claim 2, wherein: The bottom end of the shaft core is provided with a first embedding groove, the first magnet is embedded and fixed in the first embedding groove, the inner wall of the pressing inner cavity is provided with a second embedding groove, and the second magnet is embedded and fixed in the second embedding groove.
4. A springless return keyboard key as claimed in claim 2, characterized in that: The bottom end surface of the base is provided with a third embedding groove, the third embedding groove is provided with a third magnet, and the third magnet is located directly below the first magnet.
5. A springless return keyboard key according to any one of claims 2 to 4, wherein: The bottom of the upper shell is provided with an insertion buckle strip around, the base is provided with a buckle groove matched with the insertion buckle strip around, and the upper shell is buckled and fixed with the buckle groove around the base through the insertion buckle strip.
6. A springless return keyboard key according to any one of claims 2 to 4, wherein: The top center of the upper shell is provided with a pressing hole, and the top end of the shaft core extends to the upper shell through the pressing hole.
7. A springless return keyboard key according to any one of claims 2 to 4, wherein: The base is provided with a plurality of upward protruding guide columns inside, the inner wall of the guide column is provided with a vertical sliding groove, the side wall of the shaft core is provided with an outward protruding sliding block, the shaft core is embedded with the sliding groove in the inner wall of the guide column through the sliding block, and when the shaft core can move up and down in the shell, the sliding block can slide along the track of the sliding groove.
8. A springless return keyboard key according to any one of claims 2 to 4, wherein: The upper shell is provided with a light guide plug along the vertical direction on one side, and the top end surface of the light guide plug is an outward inclined mapping inclined surface.
9. A springless return keyboard key according to any one of claims 2 to 4, wherein: The bottom end surface of the upper shell is provided with a downward protruding positioning column at the corner, the top end surface of the base is provided with a positioning hole matched with the positioning column at the corner, and the positioning column and the corresponding positioning hole are inserted and fixed when the upper shell and the base are buckled.
10. A springless return keyboard key according to any one of claims 2 to 4, wherein: The bottom end surface of the base is provided with an upward protruding knocking protrusion, and the knocking protrusion is located directly below the first magnet.