Dustproof magnetic shaft with better stability

Abstract

The utility model discloses a dustproof magnetic shaft with better stability, which relates to the field of keyboards and comprises a base, an upper cover is movably mounted at the top of the base, a pressing shaft is arranged at the bottom of the upper cover, a limiting rod is fixed at the bottom of the pressing shaft, a magnet is mounted at the end of the limiting rod, and a sleeve is fixed at the top of the base. And ejector pins are arranged on the inner wall of the sleeve, the outer wall of the sleeve is sleeved with springs, and exhaust holes are formed in the bottom end of the inner wall of the sleeve. When the pressing shaft is pressed downwards, the magnet at the bottom of the pressing shaft collides with the ejector pin to generate impact sound, so that sound effect fun is brought to the pressing shaft during keyboard typewriting, air is exhausted through the exhaust holes when the pressing shaft limiting rod slides in the sleeve through the exhaust holes, and therefore resistance is reduced; when the cross shaft at the top of the pressing shaft is connected with the keycap pin, the top of the pressing shaft can be prevented from being easily accumulated with dust through the attachment of the stop block and the keycap pin.

Description

Technical Field

[0001] The utility model relates to the field of keyboards, in particular to a dust-proof magnetic shaft with better stability. Background Art

[0002] Keyboard switches usually have mechanical axes and magnetic axes. The magnetic axis mainly works through three links: magnetic field induction, triggering and return. Each key has a built-in small magnet. When the key is pressed, the magnet interacts with the magnetic field of the Hall element on the keyboard PCB. When the key is triggered, the spring is compressed to realize electrical signal transmission. When the key is released, the elastic force of the spring pushes the key back to its initial state, and the magnetic field induction disappears. In addition, the magnetic axis adjusts the trigger position and stroke length to achieve fast triggering and disconnection within an extremely short stroke, greatly improving the response speed of the key. Due to the use of electromagnetic characteristics, the magnetic axis has almost no delay time when the key is triggered, bringing users a smoother operating experience.

[0003] The existing magnetic switches are different from mechanical switches. When pressed, they do not produce the same pleasant impact sound as mechanical switches. Therefore, the current magnetic switches cannot meet the needs of users. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a dust-proof magnetic shaft with better stability to solve the technical problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a dust-proof magnetic shaft with better stability, comprising a base, an upper cover movably installed on the top of the base, and a pressing shaft provided at the bottom of the upper cover, a limiting rod fixed to the bottom of the pressing shaft, and a magnet installed at the end of the limiting rod, a sleeve fixed to the top of the base, and a thimble provided on the inner wall of the sleeve, a spring provided on the outer wall of the sleeve, and an exhaust hole provided at the bottom end of the inner wall of the sleeve.

[0006] By adopting the above technical solution, when the push shaft is pressed downward, the magnet at the bottom of the push shaft collides with the ejector pin to produce a collision sound, which brings the pleasure of sound effects when typing on the keyboard. The exhaust holes are provided so that the air is discharged through the exhaust holes when the push shaft limit rod slides in the sleeve, thereby reducing resistance. Through the provided block, when the cross shaft at the top of the push shaft is connected to the keycap pin, the block fits with the keycap pin, which can prevent dust from accumulating easily on the top of the push shaft.

[0007] The utility model is further configured such that sliders are fixed on both sides of the push shaft, sliding grooves are opened on both sides of the interior of the base, and ribs are fixed on the inner walls of the sleeve and the sliding grooves.

[0008] By adopting the above technical solution, the provided ribs can reduce the contact area between the slider and the slide groove, and reduce the contact area between the sleeve and the limiting rod, thereby reducing the friction during sliding.

[0009] The utility model is further configured such that a cross shaft is fixed on the top of the pressing shaft, and stoppers are fixed on both sides of the top of the pressing shaft.

[0010] By adopting the above technical solution, the cross shaft can be easily connected to the keycap, and the stopper and the key foot of the keycap fit together, which can avoid the problem of dust falling on the top of the shaft.

[0011] The utility model is further configured such that a fixing ring is provided at the bottom of the pressing shaft.

[0012] By adopting the above technical solution, the end of the spring can be limited by the provided fixing ring, so that the spring installation is more stable.

[0013] In summary, the present invention has the following beneficial effects:

[0014] The utility model is provided with a magnet, a push shaft, an ejector pin and a sleeve. When the push shaft is pressed downward, the magnet at the bottom of the push shaft collides with the ejector pin to produce an impact sound, which brings the pleasure of sound effects when typing on the keyboard. The exhaust hole is provided so that the air is discharged through the exhaust hole when the push shaft limit rod slides in the sleeve, thereby reducing resistance. Through the provided stopper, when the cross shaft at the top of the push shaft is connected to the keycap pin, the stopper fits with the keycap pin, which can prevent dust from accumulating easily on the top of the push shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 This is a structural diagram of the base of the utility model;

[0018] Figure 4 It is a structural diagram of the shaft of the utility model.

[0019] In the figure: 1. Base; 2. Upper cover; 3. Press shaft; 31. Slider; 32. Magnet; 33. Fixing ring; 34. Cross shaft; 35. Stop block; 36. Limit rod; 4. Spring; 8. Ejector pin; 6. Sleeve; 7. Slide groove; 8. Exhaust hole; 9. Raised rib. 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. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0021] The embodiments will be described below according to the overall structure of the utility model.

[0022] A dustproof magnetic shaft with better stability, as shown in Figure 1 - Figure 4 The bottom of the upper cover 2 is provided with a pressing shaft 3, the bottom of the pressing shaft 3 is fixedly provided with a limiting rod 36, the end of the limiting rod 36 is provided with a magnet 32, the top of the base 1 is fixedly provided with a sleeve 6, and the inner wall of the sleeve 6 is provided with a thimble 5. In use, the pressing shaft 3 is pressed downward, the limiting rod 36 at the bottom of the pressing shaft 3 slides in the sleeve 6, the pressing shaft 3 is pressed when sliding downward, the limiting rod 36 in the sleeve 6 slides and presses the air in the sleeve 6, the gas is discharged through the exhaust hole 8, and the magnet 32 contacts the thimble 8 and makes a sound. The outer wall of the sleeve 6 is provided with a spring 4, and the bottom end of the inner wall of the sleeve 6 is provided with an exhaust hole 8.

[0023] Please refer to Figure 1 - Figure 3 The two sides of the pressing shaft 3 are fixedly provided with sliding blocks 31, the two sides of the inside of the base 1 are provided with sliding grooves 7, the inner walls of the sleeve 6 and the sliding grooves 7 are fixedly provided with convex ribs 9, the contact area between the sliding blocks 31 and the sliding grooves 7 is reduced by the convex ribs 9, the contact area between the sleeve 6 and the limiting rod 36 is reduced, and the friction force when sliding is reduced.

[0024] Please refer to Figure 4 The top of the pressing shaft 3 is fixedly provided with a cross shaft 34, and the two sides of the top of the pressing shaft 3 are fixedly provided with stop blocks 35. The cross shaft 34 can be conveniently connected with the key cap, the stop blocks 35 and the key legs of the key cap are mutually attached, and the problem of dust falling on the top of the pressing shaft 3 is avoided.

[0025] Please refer to Figure 2 The bottom of the pressing shaft 3 is provided with a fixing ring 33, the end of the spring 4 is limited by the fixing ring 33, and the spring 4 is more stably installed.

[0026] The utility model discloses a working principle is: key cap is connected with cross axle 34, is pasted with key cap insertion foot through the baffle, can avoid the problem that the top of press axle 3 will fall dust, when using, press axle 3 is pressed down, the limiting rod 36 of press axle 3 bottom slides in the inside of sleeve 6, press axle 3 extrudes spring 4 when sliding down, the slider 32 of press axle 3 both sides slides in the inner wall of sliding slot 7, and the movement direction of press axle 3 is positioned, and the limiting rod 36 slides in the inside of sleeve 6 and will extrude the air in the inside of sleeve 6, and the gas is discharged through the exhaust hole 8, when magnetic block 32 and contact pin 8 contact, the sound will occur.

[0027] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and it is not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in the suitable mode, and the person skilled in the art can make the modification, replacement and change etc. without the creative contribution after reading the whole specification without departing from the principles and the tenet of the utility model, can make the modification, replacement and change etc. according to the need, but as long as in the utility model's claim range is protected by the patent law.

Claims

1. A dustproof magnetic shaft with better stability, comprising a base (1), characterized in that: An upper cover (2) is movably mounted on the top of the base (1), and a pressing shaft (3) is provided at the bottom of the upper cover (2). A limiting rod (36) is fixed to the bottom of the pressing shaft (3), and a magnet (32) is installed at the end of the limiting rod (36). A sleeve (6) is fixed to the top of the base (1), and a thimble (5) is provided on the inner wall of the sleeve (6). A spring (4) is sleeved on the outer wall of the sleeve (6), and an exhaust hole (8) is provided at the bottom end of the inner wall of the sleeve (6).

2. A dust-proof magnetic shaft with better stability according to claim 1, characterized in that: Slide blocks (31) are fixed on both sides of the push shaft (3), and sliding grooves (7) are provided on both sides inside the base (1).

3. A dust-proof magnetic shaft with better stability according to claim 2, characterized in that: The inner walls of the sleeve (6) and the slide groove (7) are both fixed with convex ribs (9).

4. The dust-proof magnetic shaft with better stability according to claim 1, characterized in that: A cross shaft (34) is fixed on the top of the pressing shaft (3), and stoppers (35) are fixed on both sides of the top of the pressing shaft (3).

5. The dust-proof magnetic shaft with better stability according to claim 1, characterized in that: A fixing ring (33) is provided at the bottom of the pressing shaft (3).

Images