Embedded dustproof keycap

Abstract

The utility model discloses an embedded dustproof keycap, which comprises a keycap and a guide block, the outer end of the keycap is sleeved with a key cover, the surface of the top end of the keycap is provided with a printing bump, the lower end of the keycap is connected with a pressing assembly, the lower end of the guide block is fixedly connected with a limiting block I, and the lower end of the limiting block I is fixedly connected with a fixing block I; the limiting block I is arranged at the upper end of the fixed block I and is used for preventing dust from entering the keyboard to influence the effect of electrical elements; the key cap is matched with the guide block and is used for preventing dust from being accumulated, the operation performance of the keyboard is not reduced, and the key is prevented from being clamped. The first limiting block is fixedly installed at the upper end of the first fixing block, so that the situation that dust and water enter the keycap to damage electrical elements is avoided, the internal electrical elements can be prevented from being contaminated by dust, the dustproof and waterproof effects are achieved, and the service life of the keyboard is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard key cap processing, in particular to an embedded dustproof key cap. Background Art

[0002] Keyboards are widely used in work and life as input media for computers and other electronic devices. Keyboard key switches are key components of keyboards. Their performance stability determines the service life of the keyboard and whether the keyboard input performance can be comfortably experienced. In addition, with different operating scenarios, such as construction sites, construction sites or open-air environments, the dustproof requirements for mechanical keyboards also change accordingly.

[0003] In the use of existing keyboards, the keyboard keys are used to touch the contacts corresponding to each keyboard key to input data and related commands to the computer. Generally, computer keyboards are not provided with relevant dustproof devices at the position of each keyboard key, which will cause dust to enter the keyboard keys, resulting in the phenomenon of keyboard key jamming. The key jamming phenomenon is that dust is stuck in the keyboard keys, thereby making the keyboard keys inoperable, affecting the user's hand feel, and affecting the service life of the computer keyboard. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an embedded dustproof keycap to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an embedded dustproof keycap, comprising a keycap and a guide block, the outer end of the keycap is sleeved with a key cover, the top surface of the keycap is provided with a printed protrusion, the lower end of the keycap is connected with a pressing assembly, a limiting block 1 is fixedly connected to the lower end of the guide block, and the lower end of the limiting block 1 is fixedly connected to the fixing block 1, which is also characterized in that:

[0006] A limit block 1 is arranged at the upper end of the fixed block 1 and is used to prevent dust from entering the keyboard and affecting the electrical components;

[0007] The key cap cooperates with the guide block to prevent dust accumulation, which would affect the performance of the keyboard and cause key jamming.

[0008] Preferably, a transparent plate is fixedly mounted at the center of the upper end of the key cover, and the lower end of the transparent plate penetrates the inner wall of the key cover, and a positioning block is provided at both ends of the inner wall of the key cover.

[0009] Preferably, a silicone collar is provided around the outer wall of the upper end of the keycap, and a printed protrusion is fixedly installed in the center of the upper end of the keycap, guide rails are opened on both sides of the lower end of the keycap, and the two guide rails are corresponding to the positioning blocks and movably connected, and a pressing assembly is fixedly installed in the inner center of the keycap.

[0010] Preferably, the printed convex block can be set to patterns of different letters, numbers, etc., and is symmetrically arranged with the transparent plate at the upper end of the printed convex block, and the pattern of the printed convex block and the transparent plate is the same.

[0011] Preferably, a groove is provided in the center of the upper end of the guide block, and the groove passes through the interior of the limit block 1 and extends to the upper end of the fixed block 1, and a through hole is provided in the center of the fixed block 1, a support plate is fixedly installed on the upper end of the fixed block 1, and a limit block 2 is fixedly installed on the upper end of the support plate, and two fixed blocks 2 are equidistantly installed at the lower end of the support plate.

[0012] Preferably, the pressing assembly includes a connecting block, a soft pad, three limit blocks and a circular hole, and the upper end of the connecting block is fixedly connected to the bottom end of the key cap, a circular hole is opened in the center of the lower end of the connecting block, and a soft pad is fixedly installed at the bottom of the circular hole, three limit blocks are arranged around the inner wall of the lower end of the circular hole, and a pressure rod is movably sleeved inside the circular hole.

[0013] Preferably, a pressure plate is installed at the top of the pressure rod, and the pressure plate is arranged inside the circular hole, a spring is sleeved around the outer end of the pressure rod, and the upper end of the spring is arranged at the lower end of the limit block three, the lower end of the spring is arranged at the upper end of the limit block two, and a tapered block is installed at the lower end of the pressure rod, and the tapered block passes through the interior of the limit block two and the support plate, and extends to the inside of the through hole opened in the center of the fixed block one.

[0014] Compared with the prior art, the utility model provides an embedded dustproof keycap, which has the following beneficial effects:

[0015] When the operator needs to use the keyboard, the finger is placed on the upper surface of the key cover and pressed downward. A keycap is movably sleeved inside the key cover, and the positioning block on the inner wall of the key cover is movably engaged with the guide rails at both ends of the keycap. When the finger presses the key cover, the keycap will move downward. Under the force of pressing, the inside of the keycap will movably sleeve on the outer end of the guide block, which can prevent dust accumulation and the occurrence of poor pressing.

[0016] The utility model discloses a fixing block 1 that is fixedly installed inside the keyboard, and a limiting block 1 that is fixedly installed on the upper end of the fixing block 1, so as to avoid the damage of electrical components due to dust and water entering into the key cap, so that the internal electrical components can be prevented from being contaminated by dust, thereby playing the role of dustproof and waterproof, and improving the service life of the keyboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the key cover of the utility model;

[0019] Figure 3 This is a schematic diagram of the key cap structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the pressing seat of the utility model;

[0021] Figure 5 This is a schematic diagram of the pressing assembly and the pressing rod structure of the utility model.

[0022] In the figure: 1. keycap; 2. key cover; 3. printed convex block; 4. pressing assembly; 5. guide block; 6. limit block 1; 7. fixed block 1; 8. transparent plate; 9. positioning block; 10. silicone collar; 11. guide rail; 12. support plate; 13. limit block 2; 14. fixed block 2; 15. connecting block; 16. cushion; 17. limit block 3; 18. round hole; 19. pressure rod; 20. pressure plate; 21. spring; 22. taper block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 , an embedded dustproof keycap, comprising a keycap 1 and a guide block 5, the outer end of the keycap 1 is sleeved with a key cover 2, the top surface of the keycap 1 is provided with a printed protrusion 3, the lower end of the keycap 1 is connected with a pressing component 4, a limit block 6 is fixedly connected to the lower end of the guide block 5, and the lower end of the limit block 6 is fixedly connected to a fixed block 7, which is also characterized in that: it also includes:

[0025] A limit block 6 is arranged at the upper end of a fixed block 7 and is used to prevent dust from entering the interior of the keyboard and affecting the function of electrical components;

[0026] The key cap 1 cooperates with the guide block 5 to prevent dust from accumulating, which would affect the performance of the keyboard and cause the keys to get stuck.

[0027] Furthermore, a transparent plate 8 is fixedly mounted at the center of the upper end of the key cover 2 , and the lower end of the transparent plate 8 penetrates the inner wall of the key cover 2 , and a positioning block 9 is provided at both ends of the inner wall of the key cover 2 .

[0028] Furthermore, a silicone collar 10 is arranged around the outer wall of the upper end of the keycap 1, and a printed protrusion 3 is fixedly installed in the center of the upper end of the keycap 1, guide rails 11 are opened on both sides of the lower end of the keycap 1, and the two guide rails 11 are arranged corresponding to the positioning block 9 and are movably connected, and a pressing component 4 is fixedly installed in the inner center of the keycap 1.

[0029] Furthermore, the printed convex block 3 can be set to have patterns of different letters, numbers, etc., and the upper end of the printed convex block 3 is symmetrically arranged with the transparent plate 8, and the patterns of the printed convex block 3 and the transparent plate 8 are the same.

[0030] Furthermore, a groove is provided at the center of the upper end of the guide block 5, and the groove passes through the interior of the limit block 6 and extends to the upper end of the fixed block 7, and a through hole is provided at the center of the fixed block 7, a support plate 12 is fixedly installed at the upper end of the fixed block 7, and a limit block 2 13 is fixedly installed at the upper end of the support plate 12, and two fixed blocks 2 14 are equidistantly installed at the lower end of the support plate 12.

[0031] Furthermore, the pressing assembly 4 includes a connecting block 15, a soft pad 16, a limit block three 17 and a circular hole 18, and the upper end of the connecting block 15 is fixedly connected to the bottom end of the keycap 1, a circular hole 18 is opened in the center of the lower end of the connecting block 15, and the soft pad 16 is fixedly installed at the bottom of the circular hole 18, a limit block three 17 is arranged around the inner wall of the lower end of the circular hole 18, and a pressure rod 19 is movably sleeved inside the circular hole 18.

[0032] Furthermore, a pressure plate 20 is installed at the top of the pressure rod 19, and the pressure plate 20 is arranged inside the circular hole 18, a spring 21 is sleeved around the outer end of the pressure rod 19, and the upper end of the spring 21 is arranged at the lower end of the limit block three 17, the lower end of the spring 21 is arranged at the upper end of the limit block two 13, and a tapered block 22 is installed at the lower end of the pressure rod 19, and the tapered block 22 passes through the interior of the limit block two 13 and the support plate 12, and extends to the inside of the through hole opened in the center of the fixed block one 7.

[0033] Working principle: The fixed block 7 of the device is fixedly installed on the upper end of the electrical components inside the keyboard. The upper end of the limit block 6 can prevent dust from entering the keyboard. When the operator needs to use the keyboard, the finger is placed on the upper end surface of the key cover 2 and pressed downward. The key cap 1 is movably sleeved inside the key cover 2. The positioning block 9 on the inner wall of the key cover 2 is movably connected with the guide rails 11 at both ends of the key cap 1. When the finger presses the key cover 2, the key cap 1 will move downward. Under the force of pressing, the inside of the key cap 1 will be movably sleeved on the outer end of the guide block 5 to prevent dust from accumulating. The keycap 1 is installed inside the keycap 1, and a pressing assembly 4 is sleeved on the lower end of the pressing assembly 4. A spring 21 is sleeved on the outer end of the pressing rod 19. As the keycap 1 moves downward, the pressing assembly 4 is driven to move downward. The spring 21 will be compressed by the downward movement of the pressing assembly 4, and the tapered block 22 at the lower end of the pressing rod 19 will press the electrical components inside the keyboard. The spring 21 will rebound to its original position under the reaction force of the spring 21.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An embedded dustproof keycap, comprising a keycap (1) and a guide block (5), wherein the outer end of the keycap (1) is sleeved with a key cover (2), a top surface of the keycap (1) is provided with a printed protrusion (3), a lower end of the keycap (1) is connected to a pressing assembly (4), a limiting block (6) is fixedly connected to the lower end of the guide block (5), and a fixing block (7) is fixedly connected to the lower end of the limiting block (6), wherein the lower end of the limiting block (6) is fixedly connected to the fixing block (7), wherein: Also includes: A limit block (6) is arranged at the upper end of the fixed block (7) and is used to prevent dust from entering the keyboard and affecting the function of the electrical components; The key cap (1) cooperates with the guide block (5) to prevent dust from accumulating, thereby reducing the keyboard's operating performance and causing key jamming.

2. The embedded dustproof keycap according to claim 1, characterized in that: A transparent plate (8) is fixedly mounted at the center of the upper end of the key cover (2), and the lower end of the transparent plate (8) passes through the inner wall of the key cover (2), and a positioning block (9) is provided at both ends of the inner wall of the key cover (2).

3. The embedded dustproof keycap according to claim 1, characterized in that: A silicone collar (10) is arranged around the outer wall of the upper end of the keycap (1), and a printed protrusion (3) is fixedly installed at the center of the upper end of the keycap (1). Guide rails (11) are provided on both sides of the lower end of the keycap (1), and the two guide rails (11) are arranged corresponding to the positioning blocks (9) and are movably sleeved, and a pressing component (4) is fixedly installed at the center of the inner part of the keycap (1).

4. The embedded dustproof keycap according to claim 1, characterized in that: A groove is provided at the center of the upper end of the guide block (5), and the groove penetrates the interior of the limit block 1 (6) and extends to the upper end of the fixed block 1 (7), and a through hole is provided at the center of the fixed block 1 (7), a support plate (12) is fixedly mounted on the upper end of the fixed block 1 (7), and a limit block 2 (13) is fixedly mounted on the upper end of the support plate (12), and two fixed blocks 2 (14) are equidistantly mounted on the lower end of the support plate (12).

5. The embedded dustproof keycap according to claim 3, characterized in that: The pressing assembly (4) comprises a connecting block (15), a soft pad (16), a limiting block (17) and a circular hole (18), wherein the upper end of the connecting block (15) is fixedly connected to the bottom end of the key cap (1), a circular hole (18) is provided in the center of the lower end of the connecting block (15), and the soft pad (16) is fixedly installed at the bottom of the circular hole (18), a limiting block (17) is arranged around the inner wall of the lower end of the circular hole (18), and a pressure rod (19) is movably sleeved inside the circular hole (18).

6. The embedded dustproof keycap according to claim 5, characterized in that: A pressure plate (20) is installed at the top end of the pressure rod (19), and the pressure plate (20) is arranged inside the circular hole (18). A spring (21) is sleeved around the outer end of the pressure rod (19), and the upper end of the spring (21) is arranged at the lower end of the limit block three (17), and the lower end of the spring (21) is arranged at the upper end of the limit block two (13). A taper block (22) is installed at the lower end of the pressure rod (19), and the taper block (22) passes through the inside of the limit block two (13) and the support plate (12), and extends to the inside of the through hole opened in the center of the fixed block one (7).

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