Mute magnetic shaft key switch
By introducing a silent retainer and a silent pad into the silent magnetic shaft push-button switch, the noise problem during the use of the magnetic shaft switch is solved, resulting in a low-noise push-button switch suitable for quiet environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TENGFEI ELECTROINCS YUEQING CITY
- Filing Date
- 2025-07-30
- Publication Date
- 2026-07-07
Smart Images
Figure CN224472378U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of push button switch technology, and in particular to a silent magnetic shaft push button switch. Background Technology
[0002] Keyboards are indispensable data input devices in many electronic devices or automated machines, used to input data or text information. The quality of the key switches determines the user experience of the input device, requiring a good feel and lifespan. The basic operation of keyboard keys involves pressing the keycaps to cause the key switches inside the keys to move downwards under pressure and return upwards with spring force, thus achieving electrical connection or disconnection, and enabling data input.
[0003] In the prior art, Chinese utility model patent with publication number CN223052031U discloses a magnetic shaft switch, which includes a base that is detachably mounted on a keyboard circuit board, a cover that fits onto the base, a return spring sleeved in the middle of the base, a shaft core whose upper end extends through the cover and whose lower end presses against the return spring, and a magnet disposed on the shaft core. When the shaft core is pressed to the bottom during use, it will produce an impact. This frequent knocking sound is annoying in situations where silence is required.
[0004] Therefore, existing technologies need to be improved and installed. Utility Model Content
[0005] The purpose of this invention is to provide a silent magnetic shaft push button switch to solve the noise problem during button use.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] A silent magnetic shaft push button switch includes a base, an upper cover fitted onto the base, a return spring sleeved in the middle of the base, a shaft core with its upper end extending through the upper cover and its lower end pressing against the return spring, and a magnet disposed on the shaft core. A silent retainer is also disposed between the shaft core and the base, and the silent retainer is provided with a plurality of first silent pads that cooperate with the shaft core.
[0008] As a further embodiment of this utility model, each of the first noise-reducing pads is provided with a second noise-reducing pad, and the shaft core is provided with a plurality of noise-reducing pad grooves, wherein the second noise-reducing pad is movably embedded in the corresponding noise-reducing pad groove.
[0009] As a further embodiment of this utility model, a first guide structure is provided on the silent retainer, and a second guide structure corresponding to the first guide structure is provided on the shaft core; the first guide structure and the second guide structure cooperate to guide the linear reciprocating motion of the shaft core.
[0010] As a further embodiment of this utility model, the first guide structure includes a plurality of evenly distributed guide structures, and the second guide structure includes a plurality of guide structures corresponding one-to-one with the plurality of first guide structures.
[0011] As a further embodiment of this utility model, a third guide structure is provided on the shaft core, and a fourth guide structure corresponding to the third guide structure is provided on the base; the third guide structure and the fourth guide structure cooperate to guide the linear reciprocating motion of the shaft core.
[0012] As a further embodiment of this utility model, the third guide structure includes a plurality of evenly distributed third guide structures, and the fourth guide structure includes a plurality of third guide structures corresponding one-to-one with the plurality of third guide structures.
[0013] As a further embodiment of this utility model, the silent retainer is provided with a process hole, and the shaft is provided with a process protrusion that matches the process hole.
[0014] As a further embodiment of this utility model, the process holes include a plurality of evenly distributed ones, and the process protrusions include a plurality of ones corresponding one-to-one with the plurality of process holes.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] Due to the above structural design, a silent retainer is provided between the shaft and the base, and several first silent pads that cooperate with the shaft are provided on the silent retainer. This avoids noise caused by the collision between the shaft and the base, and realizes silent switching, which is suitable for special quiet environments. Attached Figure Description
[0017] Appendix Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;
[0018] Appendix Figure 2 This is an exploded structural diagram of an embodiment of the present utility model;
[0019] Appendix Figure 3 This is an orthographic projection view of an embodiment of the present utility model;
[0020] Appendix Figure 4 For the appendix Figure 3 AA section view;
[0021] Appendix Figure 5 For the appendix Figure 3 BB section view;
[0022] Appendix Figure 6 This is a schematic diagram of the structure of the shaft core in an embodiment of this utility model.
[0023] The labels in the diagram are as follows:
[0024] 10-Base, 20-Top cover, 30-Return spring, 40-Shaft core, 50-Magnet, 60-Silent retainer;
[0025] 61-First noise reduction pad, 62-Second noise reduction pad, 63-First guide structure, 64-Process hole;
[0026] 41-Silence pad groove, 42-Second guide structure, 43-Third guide structure, 44-Process protrusion;
[0027] 11-Fourth guiding structure. Detailed Implementation
[0028] The technical solution of this utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, but the protection scope and implementation of this utility model are not limited thereto.
[0029] In the specific embodiment description, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product is usually placed in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the structure or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as a limitation of the present utility model, let alone as indicating or implying relative importance.
[0030] Unless otherwise expressly specified and limited, the terms "installation," "setting," "connection," and "fixation" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Example
[0031] Please see Figure 1-6This application discloses a silent magnetic shaft push button switch, comprising a base 10, an upper cover 20 covering the base 10, a return spring 30 sleeved in the middle of the base 10, a shaft core 40 with its upper end extending through the upper cover 20 and its lower end pressing against the return spring 30, and a magnet 50 disposed on the shaft core 40. A silent retainer 60 is also disposed between the shaft core 40 and the base 10, and four first silent pads 61 that cooperate with the shaft core 40 are disposed on the silent retainer 60. Through the above structural design, that is, a silent retainer is disposed between the shaft core and the base, and four first silent pads that cooperate with the shaft core are disposed on the silent retainer, noise caused by the collision between the shaft core and the base is avoided, and a silent switch is achieved, which is suitable for special quiet environments.
[0032] In a preferred embodiment, each of the first noise-reducing pads 61 is provided with a second noise-reducing pad 62, and the shaft core 40 is provided with four noise-reducing pad grooves 41. The second noise-reducing pad 62 is movably embedded in the corresponding noise-reducing pad groove 41. Through the cooperation of the second noise-reducing pad and the noise-reducing pad groove, sound is further absorbed and isolated, vibration transmission is reduced, thereby achieving the effect of further reducing noise.
[0033] Specifically, the silent retainer 60 is provided with a first guide structure 63, and the shaft core 40 is provided with a second guide structure 42 corresponding to the first guide structure 63. The first guide structure 63 and the second guide structure 42 cooperate to guide the linear reciprocating motion of the shaft core 40. Two first guide structures 63 are symmetrically arranged, and two second guide structures 42 are provided, each corresponding to one of the two first guide structures. The first guide structure 63 and the second guide structure 42 can be mutually compatible guide rails, guide grooves, or mutually compatible guide rail and guide groove combinations. For example, the first guide structure 63 may include a guide rail, and the second guide structure 42 includes a guide groove corresponding to the guide rail; or, the second guide structure 42 may include a guide rail, and the first guide structure 63 includes a guide groove corresponding to the guide rail; or the first guide structure 63 may be a guide rail and guide groove combination, and the second guide structure 42 is a correspondingly compatible guide groove and guide rail combination. In this embodiment, the first guide structure 63 is a guide rail, and the second guide structure 42 is a guide groove.
[0034] Specifically, a third guide structure 43 is provided on the shaft core 40, and a fourth guide structure 11 corresponding to the third guide structure 43 is provided on the base 10. The third guide structure 43 and the fourth guide structure 11 cooperate to guide the linear reciprocating motion of the shaft core 40. The third guide structure 43 includes two symmetrically arranged structures, and the fourth guide structure includes two structures corresponding one-to-one with the two third guide structures 43. The third guide structure 43 and the fourth guide structure 11 can be mutually compatible guide rails, guide grooves, or mutually compatible guide rail and guide groove combinations. For example, the third guide structure 43 can include a guide rail, and the fourth guide structure 11 includes a guide groove corresponding to the guide rail; or, the fourth guide structure 11 can include a guide rail, and the third guide structure 43 includes a guide groove corresponding to the guide rail; or the third guide structure 43 can be a guide rail and guide groove combination, and the fourth guide structure 11 is a correspondingly compatible guide groove and guide rail combination. In this embodiment, the third guide structure 43 is a guide rail, and the fourth guide structure 11 is a guide groove.
[0035] Through the above structural design, under the one-to-one guiding cooperation of the two first guide structures 63 and the two second guide structures 42, as well as the two third guide structures 43 and the two fourth guide structures 11, the up-and-down reciprocating movement of the shaft core 40 can be made more stable and precise.
[0036] Specifically, the silent retainer 60 is provided with a process hole 64, and the shaft core 40 is provided with a process protrusion 44 that is adapted to the process hole 64. The process hole 64 includes two symmetrically arranged ones, and the process protrusion 44 includes two ones that correspond one-to-one with the two process holes.
[0037] In summary, this utility model, through the above-described structural design, overcomes the shortcomings of the prior art and features a reasonable structure, low noise, and strong practicality.
[0038] The above embodiments are merely preferred embodiments of the present utility model, and are only used to further describe the technical solution of the present utility model in detail. However, the above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. The protection scope and implementation of the present utility model are not limited thereto. Any changes, combinations, deletions, substitutions or modifications made without departing from the spirit and principle of the present utility model will be included within the protection scope of the present utility model.
Claims
1. A silent magnetic shaft push button switch, comprising a base (10), an upper cover (20) fitted onto the base (10), a return spring (30) sleeved in the middle of the base (10), a shaft core (40) with its upper end extending through the upper cover (20) and its lower end pressing against the return spring (30), and a magnet (50) disposed on the shaft core (40), characterized in that: A silent retainer (60) is also provided between the shaft core (40) and the base (10), and a plurality of first silent pads (61) that cooperate with the shaft core (40) are provided on the silent retainer (60).
2. The silent magnetic shaft push-button switch according to claim 1, characterized in that: Each of the first noise-reducing pads (61) is provided with a second noise-reducing pad (62), and the shaft core (40) is provided with a plurality of noise-reducing pad grooves (41), and the second noise-reducing pad (62) is movably embedded in the corresponding noise-reducing pad groove (41).
3. The silent magnetic shaft push-button switch according to claim 2, characterized in that: The silent retainer (60) is provided with a first guide structure (63), and the shaft core (40) is provided with a second guide structure (42) corresponding to the first guide structure (63); the first guide structure (63) and the second guide structure (42) cooperate to guide the linear reciprocating motion of the shaft core (40).
4. The silent magnetic shaft push-button switch according to claim 3, characterized in that: The first guide structure (63) includes a plurality of evenly distributed guide structures, and the second guide structure (42) includes a plurality of guide structures corresponding one-to-one with the plurality of the first guide structures (63).
5. The silent magnetic shaft push-button switch according to claim 2, characterized in that: A third guide structure (43) is provided on the shaft core (40), and a fourth guide structure (11) corresponding to the third guide structure (43) is provided on the base (10); the third guide structure (43) and the fourth guide structure (11) cooperate to guide the linear reciprocating motion of the shaft core (40).
6. The silent magnetic shaft push-button switch according to claim 5, characterized in that: The third guide structure (43) includes a plurality of evenly distributed structures, and the fourth guide structure (11) includes a plurality of structures corresponding one-to-one with the plurality of the third guide structures (43).
7. The silent magnetic shaft push-button switch according to claim 1, characterized in that: The silent retainer (60) is provided with a process hole (64), and the shaft core (40) is provided with a process protrusion (44) that matches the process hole (64).
8. The silent magnetic shaft push-button switch according to claim 7, characterized in that: The process holes (64) include a plurality of evenly distributed ones, and the process protrusions (44) include a plurality of ones corresponding one-to-one with the plurality of process holes (64).