Keyboard fixing and buffering structure based on homopolar repulsion of magnets

Abstract

The utility model discloses a keyboard fixing buffer structure based on homopolar repulsion of magnets, which relates to the field of fitness equipment, solves the problems of aging, abrasion and unstable performance of the traditional buffer material, and comprises a keyboard shell, a PCB (printed circuit board) and a magnet component, the PCB is arranged above the bottom in the keyboard shell, the magnet component comprises a plurality of groups of magnets, and the magnets are arranged in the keyboard shell. The number of each group of magnets is two, the two magnets are arranged in parallel in the vertical direction, the two magnets are fixedly installed at the inner bottom of the keyboard shell and on the PCB respectively, and the magnetic poles of the adjacent side faces of the two magnets are the same; the bottoms of the two sides of the PCB are connected with the inner bottom of the keyboard shell through positioning structures, the performance is stable, magnets do not make physical contact, and the problem of traditional mechanical abrasion is solved; the high-performance neodymium magnet has excellent demagnetization resistance, and the buffering performance is stable for a long time; by designing the fixed magnet fixing sleeve, a complex adjusting mechanism is avoided, and the manufacturing and maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard structure design field, concretely is a keyboard fixed buffer structure based on magnet same pole repulsion. BACKGROUND

[0002] The mechanical keyboard on the market at present generally adopts silica gel pad, foam or spring buffer material, these materials mainly produce elastic buffering effect through physical contact, however, these prior art schemes have the following defects: material aging, silica gel pad and foam are prone to aging in long-term use, leading to reduced elasticity or changed sound; mechanical wear, physical structure such as spring produces abnormal sound due to contact wear after long-term use, reducing hand feeling. SUMMARY

[0003] The utility model discloses a keyboard fixed buffer structure based on magnet same pole repulsion which reduces the risk of loosening of the first counterweight piece and the second counterweight piece, thereby guaranteeing safety and stability during use, and can solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a keyboard fixed buffer structure based on magnet same pole repulsion, including keyboard shell, PCB board and magnet assembly, the keyboard shell is provided with PCB board on the upper portion of the inner bottom, and the magnet assembly includes several groups of magnets, the number of each group of magnets is two, two magnets are located in the vertical direction and are arranged in parallel, two magnets are fixedly installed on the inner bottom of the keyboard shell and the PCB board respectively, and the adjacent side poles of the two magnets are the same poles; the bottom of the two sides of the PCB board is connected with the inner bottom of the keyboard shell through positioning structure.

[0005] Preferably, the keyboard shell and the PCB board are provided with fixing sleeves at the positions of the magnets, the magnets are embeddedly fixed in the interiors of the fixing sleeves, the magnets are made of neodymium magnet material, the selection of the neodymium magnet material benefits from high magnetic energy product and excellent magnetic properties, so that the magnets can generate sufficient repulsion, thereby effectively reducing the impact force suffered by the PCB board, in addition, the neodymium magnet also has good corrosion resistance and can maintain stable magnetic properties in various environments, prolonging the service life of the keyboard.

[0006] Preferably, the outer side of the magnet is fixedly connected with a magnetic shielding layer, the magnetic shielding layer is mainly used for isolating the magnetic field of the magnet, preventing the magnetic field of the magnet from interfering with other electronic elements inside the keyboard and ensuring normal operation of the keyboard.

[0007] Preferably, the magnetic shielding layer is made of ferrite sheet material, the selection of the ferrite sheet material benefits from good magnetic permeability and magnetic shielding properties, can effectively guide the magnetic field of the magnet and avoid magnetic field leakage, and the ferrite sheet material also has good mechanical strength and wear resistance.

[0008] Preferably, the distance between the two vertical magnets is 2-5mm, which is also convenient for accurate control and adjustment during manufacturing and installation, ensuring that the buffering performance of each keyboard meets the design requirements.

[0009] Preferably, the fixing sleeve is integrally formed with the keyboard shell.

[0010] Preferably, the magnet assembly is arranged at the corner position of the PCB.

[0011] Preferably, the positioning structure comprises a positioning rod and a positioning tube, the positioning tube is fixedly connected to the inner bottom of the keyboard shell near the side wall, the positioning rod is fixedly connected to the bottom of the PCB near the side wall, and the other end of the positioning rod is slidably connected to the positioning tube.

[0012] Preferably, the outer side wall of the positioning tube is fixedly connected with a plurality of reinforcing rods arranged in a ring shape, and the bottom end of the reinforcing rod is fixedly connected to the inner bottom of the keyboard shell.

[0013] Preferably, the keyboard shell and the positioning tube are integrally formed, and the positioning tube and the positioning rod are integrally formed.

[0014] Compared with the prior art, the utility model has the advantages that: stable performance, no physical contact between magnets, avoiding traditional mechanical wear and tear problems; longer service life: high-performance neodymium magnets have excellent anti-demagnetization ability and stable buffering performance for a long time; simplified structure: fixed magnet fixing sleeve design avoids complex adjustment mechanism and reduces manufacturing and maintenance costs; optimized hand feeling: accurate control of elastic strength through magnet spacing design provides users with soft and consistent key experience. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 4 It is Figure 3 It is a schematic diagram of the overall structure of the utility model;

[0019] In the figure: 1, keyboard shell; 2, PCB; 3, magnet assembly; 301, magnet; 302, magnetic separation layer; 303, fixing sleeve; 4, positioning structure; 401, positioning rod; 402, positioning tube; 403, reinforcing rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , a keyboard fixing and buffering structure based on repulsion of same-pole magnets is shown in the drawings, which comprises a keyboard shell 1, a PCB board 2 and a magnet assembly 3, the PCB board 2 is arranged above the inner bottom of the keyboard shell 1, the magnet assembly 3 comprises a plurality of groups of magnets 301, the number of magnets in each group is two, the two magnets 301 are arranged in parallel in the vertical direction, the two magnets 301 are fixedly installed on the inner bottom of the keyboard shell 1 and the PCB board 2 respectively, and the adjacent side poles of the two magnets 301 are same poles; the bottom of the PCB board 2 on both sides is connected with the inner bottom of the keyboard shell 1 through a positioning structure 4.

[0022] It is worth noting that when the PCB board 2 is pressed, repulsion force is generated between the same-pole magnets 301, so that the PCB board 2 can receive an upward buffering force when being pressed, thereby reducing the impact force received by the PCB board 2 and improving the service life of the keyboard. At the same time, the arrangement of the magnet assembly 3 also enables the PCB board 2 to maintain a certain distance from the inner bottom of the keyboard shell 1 when not being pressed, thereby avoiding friction and abrasion caused by direct contact between the PCB board 2 and the inner bottom of the keyboard shell 1.

[0023] Please refer to Figure 2 、 Figure 3 and Figure 4 , the keyboard shell 1 and the PCB board 2 are provided with fixing sleeves 303 at the positions of the magnets 301, the magnets 301 are fixedly embedded in the interiors of the fixing sleeves 303, the magnets 301 are made of neodymium magnet material, the design of the fixing sleeves 303 not only provides stable mounting positions for the magnets 301, but also ensures that the magnets 301 will not be displaced or fall off due to external force during use, the selection of the neodymium magnet material benefits from excellent magnetic properties, so that the magnets 301 can generate sufficient repulsion force, thereby effectively reducing the impact force received by the PCB board 2, in addition, the neodymium magnet also has good corrosion resistance and can maintain stable magnetic properties in various environments, thereby prolonging the service life of the keyboard.

[0024] Please refer to Figure 3 and Figure 4The outer side of the magnet 301 is fixedly connected with a magnetic isolation layer 302, the magnetic isolation layer 302 is made of ferrite sheet material, the magnetic isolation layer 302 is mainly used for isolating the magnetic field of the magnet 301, preventing the magnetic field of the magnet 301 from interfering with other electronic elements in the keyboard, and ensuring the normal work of the keyboard; the selection of the ferrite sheet material benefits from its good magnetic conductivity and magnetic isolation performance, which can effectively guide the magnetic field of the magnet 301 and avoid magnetic field leakage, at the same time, the ferrite sheet material also has good mechanical strength and wear resistance, which can maintain the integrity and stability of the magnetic isolation layer 302 during use, further improving the reliability and service life of the keyboard.

[0025] The distance between the two vertical magnets 301 is 4mm, which is convenient for accurate control and adjustment during manufacturing and installation, and ensures that the buffering performance of each keyboard can meet the design requirements.

[0026] Referring to Figure 2 , the fixing sleeve 303 is integrally formed with the keyboard shell 1.

[0027] Referring to Figure 2 , the magnet assembly 3 is arranged at the corner position of the PCB board 2.

[0028] Referring to Figure 3 and Figure 4 , the positioning structure 4 includes a positioning rod 401 and a positioning tube 402, the positioning tube 402 is fixedly connected to the inner bottom of the keyboard shell 1 near the side wall, the positioning rod 401 is fixedly connected to the bottom of the PCB board 2 near the side wall, and the other end of the positioning rod 401 is slidably connected with the positioning tube 402, so that the positioning rod 401 moves in the vertical direction of the positioning tube 402, ensuring that the positions of the two vertical magnets 301 do not deviate, and ensuring the stability of the magnet assembly 3 in the vertical direction.

[0029] Referring to Figure 2 , the positioning tube 402 is fixedly connected with a plurality of reinforcing rods 403 arranged in a ring shape on the outer side wall, and the bottom end of the reinforcing rod 403 is fixedly connected with the inner bottom of the keyboard shell 1, which not only enhances the structural strength of the positioning tube 402 and prevents it from deforming or being damaged due to excessive stress during long-term use, but also further improves the stability and durability of the keyboard as a whole.

[0030] Referring to Figure 1 , the keyboard shell 1 and the positioning tube 402 are integrally formed, and the positioning tube 402 and the positioning rod 401 are integrally formed, which makes the whole structure more compact and stable, reduces the steps and complexity in the assembly process, and improves the production efficiency.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process or method.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes - modifications - substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A keyboard fixing and buffering structure based on repulsion of same-pole magnets, comprising a keyboard shell (1), a PCB board (2) and a magnet assembly (3), characterized in that, The keyboard shell (1) is provided with a PCB board (2) above the inner bottom, the magnet assembly (3) comprises a plurality of groups of magnets (301), each group of magnets (301) is two in number, the two magnets (301) are arranged in parallel in the vertical direction, and the two magnets (301) are fixedly installed on the inner bottom of the keyboard shell (1) and the PCB board (2) respectively, and the adjacent side poles of the two magnets (301) are the same.

2. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 1, characterized in that: The keyboard shell (1) and the PCB board (2) are provided with fixing sleeves (303) at the positions of the magnets (301), the magnets (301) are fixedly embedded in the fixing sleeves (303), and the magnets (301) are made of neodymium magnet material.

3. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 1, characterized in that: The outer side of the magnet (301) is fixedly connected with a magnetic separation layer (302).

4. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 3, characterized in that: The magnetic separation layer (302) is made of ferrite sheet material.

5. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 1, wherein: The distance between the two vertical magnets (301) is 2-5mm.

6. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 2, characterized in that: The fixing sleeve (303) is integrally formed with the keyboard shell (1).

7. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 1, characterized in that: The magnet assembly (3) is arranged at the corner position of the PCB board (2).

8. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 1, wherein: The positioning structure (4) comprises a positioning rod (401) and a positioning tube (402), the positioning tube (402) is fixedly connected to the inner bottom of the keyboard shell (1) near the side wall, the positioning rod (401) is fixedly connected to the bottom of the PCB board (2) near the side wall, and the other end of the positioning rod (401) is slidably connected with the positioning tube (402).

9. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 8, characterized in that: The outer side wall of the positioning tube (402) is fixedly connected with a plurality of annular reinforcing rods (403), and the bottom end of the reinforcing rod (403) is fixedly connected with the inner bottom of the keyboard shell (1).

10. The keyboard fixation and buffering structure based on repulsion of like poles of magnets according to claim 9, characterized in that: The keyboard shell (1) and the positioning tube (402) are integrally formed, and the positioning tube (402) and the positioning rod (401) are integrally formed.

Images