Mute springback keyboard shaft body structure

Abstract

The utility model relates to the technical field of keyboard shaft bodies, and particularly discloses a mute springback keyboard shaft body structure which comprises a first shaft body shell, a second shaft body shell is installed at the lower end of the first shaft body shell, a groove is formed in the upper surface of the second shaft body shell, and a contact plate is fixedly connected to the bottom surface of the groove of the second shaft body shell. And connecting pins are fixedly mounted on the bottom surface of the second shaft body shell. The mute springback keyboard shaft body structure is provided with an adjusting screw head and a positioning screw rod, when the mute springback keyboard shaft body structure works, the adjusting screw head is rotated through a tool, so that the adjusting screw head drives the positioning screw rod at the lower end to rotate, the positioning screw rod vertically slides in an adjusting opening through threads, and the positioning screw rod drives an extrusion clamping block to move after sliding; and when the extrusion clamping block slides upwards, the two lateral limiting blocks are not pressed, so that the two lateral limiting blocks are erected, pulled and shrunk, and when the extrusion clamping block descends, the lateral limiting blocks are pushed to slide and extend out, and the adjustment convenience of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of keyboard switch technology, specifically to a silent and responsive keyboard switch structure. Background Technology

[0002] A keyboard is an input device used to operate equipment and transmit instructions and data. It is widely used in microcomputers and various terminal devices. The first practical typewriter was developed and patented by Christopher Sholes in 1860. Later, he and his partners developed the "QWERTY" typewriter, which became the predecessor of all key-type input devices. Mechanical keyboards use a similar metal contact switch principle, with each key having an individual switch "axis", such as brown, blue, white, black, and red switches, each with its own unique feel. In the context of keyboards, the axis refers to the key switch device of mechanical keyboards and some other high-end keyboards. It is a key component that determines many characteristics of the keyboard, such as feel, feedback, and lifespan.

[0003] Mechanical keyboard switches are mainly composed of components such as the switch core, spring, switch seat, switch cover, and metal contact spring. When a keycap is pressed, the switch core is pressed down, causing the spring to contract and the bottom of the switch core to contact the contacts on the circuit board, thereby completing the circuit and completing the input of a key signal. In the existing keyboard switch structure, noise reduction can be achieved by setting sound-dampening cotton in the switch body, but this will reduce the feel of the switch body, and the installation and removal of the sound-dampening cotton is relatively cumbersome, reducing the convenience of use. Utility Model Content

[0004] The purpose of this utility model is to provide a silent and responsive keyboard switch structure to solve the problem mentioned in the background art that, although noise reduction can be achieved by setting sound-absorbing cotton in the switch, it will reduce the feel of the switch and the installation and removal of the sound-absorbing cotton is cumbersome, reducing the convenience of use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a silent and responsive keyboard switch structure, comprising a first switch housing, a second switch housing mounted at its lower end, a groove on the upper surface of the second switch housing, a contact plate fixedly connected to the bottom surface of the groove, a connecting pin fixedly mounted on the bottom surface of the second switch housing, an opening on the surface of the first switch housing, a silent cotton pad fixedly provided on the inner wall of the lower end of the opening of the first switch housing, two support blocks fixedly connected to the inner wall of the opening of the first switch housing, a positioning baffle provided on the inner wall of the opening of the first switch housing, a keycap insert fixedly connected to the upper surface of the positioning baffle, a linkage slide column fixedly connected to the lower surface of the positioning baffle, a spindle column fixedly connected to the lower surface of the linkage slide column, and an adjustment mechanism provided between the keycap insert and the linkage slide column, which drives the pressing block to move by adjusting the adjusting screw and positioning screw on the inner wall of the opening, thereby controlling the lateral limiting block to limit the linkage pressure plate.

[0006] Preferably, the first shaft housing and the second shaft housing are connected by a locking block, the upper end of the connecting pin penetrates the lower surface of the second shaft housing, and the upper end of the connecting pin is connected to the contact plate.

[0007] By adopting the above technical solution, the first and second switch housings are easily connected and fixed by the locking blocks, and the connecting pins facilitate communication with the keyboard circuit board, making it easy for the contact plate to conduct electricity.

[0008] Preferably, the sound-absorbing cotton pad is a ring design, the two support blocks are symmetrically arranged, a spring connects the support blocks and the positioning baffle, and the positioning baffle is a disc-shaped design.

[0009] The above technical solution utilizes the ring design of the silent cotton pad to facilitate the passage of the linkage sliding column, and the support block to facilitate the positioning of the baffle.

[0010] Preferably, the positioning baffle is slidably connected to the first axis housing, the upper end of the keycap insert passes through the upper end of the first axis housing, the linkage slide column passes through the opening of the sound-absorbing cotton pad, and the lower end of the axis column passes through the groove of the second axis housing.

[0011] By adopting the above technical solution, the positioning baffle slides, causing the positioning baffle to drive the cap block and the linkage slide column to move, which facilitates the linkage slide column to drive the shaft column to pass through the groove of the second shaft shell.

[0012] Preferably, the adjustment mechanism includes an adjustment opening on the upper surface of the keycap insert. A positioning screw is installed on the inner wall of the adjustment opening. An adjustment screw head is fixedly connected to the upper end of the positioning screw, and a pressing block is fixedly connected to the lower end of the positioning screw. An opening is provided on the upper side surface of the linkage slide column. A lateral limiting block is installed on the inner wall of the opening of the linkage slide column. A linkage pressure plate is provided on the inner wall of the opening of the first shaft housing.

[0013] By adopting the above technical solution, the adjustment opening of the adjustment mechanism facilitates the installation of the positioning screw, the adjusting screw head, and the clamping block.

[0014] Preferably, the adjustment opening is connected to the opening of the linkage slide column, the positioning screw is threadedly connected to the adjustment opening, and the compression block is spherical.

[0015] Using the above technical solution, the positioning screw is raised and lowered by rotating the adjusting screw head, so that the positioning screw drives the pressing block to limit the two lateral limiting blocks.

[0016] Preferably, the lateral limiting block and the linkage slide column are slidably connected, and a spring is connected between the lateral limiting block and the linkage slide column. The surface of the opposite end of the lateral limiting block is inclined. The height of the lateral limiting block is higher than the height of the linkage pressure plate. The linkage pressure plate and the first shaft housing are slidably connected, and a spring is connected between the linkage pressure plate and the first shaft housing.

[0017] By adopting the above technical solution, the sliding of the linkage pressure plate is driven by the extension and retraction movement of the lateral limiting block.

[0018] Compared with the prior art, the beneficial effects of this utility model are: the silent rebound keyboard switch structure:

[0019] 1. The device is equipped with an adjusting screw and a positioning screw. When the device is working, the adjusting screw is rotated by a tool, which drives the positioning screw at the lower end to rotate. The positioning screw slides vertically through the adjusting opening via the thread. After the positioning screw slides, it drives the pressing block to move. When the pressing block slides upward, the two lateral limit blocks are not pressed, so the two lateral limit blocks are pulled and retracted. When the pressing block descends, it pushes the lateral limit blocks to slide out, which increases the convenience of adjustment of the device.

[0020] 2. The device is equipped with a squeezing block and a lateral limiting block. When the device is working, the squeezing block slides upward, so that the two lateral limiting blocks are not squeezed. Then the two lateral limiting blocks are pulled and retracted into the linkage slide column. At this time, the linkage slide column will slide down and will not drive the linkage pressure plate, so it will not contact the silent cotton pad. This makes the shaft pressing force light and has no silent effect.

[0021] 3. Equipped with a linkage pressure plate and a sound-absorbing cotton pad, when the device is in operation, the compression block descends and pushes two lateral limiting blocks to slide out. When the linkage slide column descends, it drives the linkage pressure plate through the lateral limiting blocks, making it easier for the linkage pressure plate to contact the sound-absorbing cotton pad. This increases the pressing force and gives the device a buffering and silent effect, while also increasing the rebound effect and improving the practicality of the device. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the connection between the first shaft shell and the second shaft shell of this utility model;

[0023] Figure 2 This is a three-dimensional structural diagram of the connection between the second shaft shell and the contact plate of this utility model;

[0024] Figure 3 This is a three-dimensional structural diagram of the connection between the first shaft shell and the support block of this utility model;

[0025] Figure 4 This is a three-dimensional structural diagram of the connection between the positioning baffle and the keycap insert of this utility model;

[0026] Figure 5 This is a three-dimensional structural diagram of the connection between the keycap insert and the adjustment opening of this utility model;

[0027] Figure 6 This is a three-dimensional structural diagram of the lateral limiting block of this utility model.

[0028] In the diagram: 1. First switch housing; 2. Second switch housing; 3. Contact plate; 4. Connecting pin; 5. Noise-absorbing pad; 6. Support block; 7. Positioning baffle; 8. Keycap insert; 9. Linkage slide column; 10. Spindle column; 11. Adjustment opening; 12. Adjustment screw head; 13. Positioning screw; 14. Pressing block; 15. Lateral limit block; 16. Linkage pressure plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-6This utility model provides a technical solution: a silent and springy keyboard switch structure, including a first switch housing 1, a second switch housing 2, a contact plate 3, connecting pins 4, a silent cotton pad 5, a support block 6, a positioning baffle 7, a keycap insert 8, a linkage slide column 9, a switch core 10, an adjustment opening 11, an adjustment screw head 12, a positioning screw 13, a pressing block 14, a lateral limiting block 15, and a linkage pressure plate 16. The second switch housing 2 is installed at the lower end of the first switch housing 1, and a groove is provided on the upper surface of the second switch housing 2. The bottom surface of the first switch housing 1 is fixedly connected to the contact plate 3, and the bottom surface of the second switch housing 2 is fixedly installed with the connecting pin 4. The first switch housing 1 and the second switch housing 2 are connected by a locking block. The upper end of the connecting pin 4 penetrates the lower surface of the second switch housing 2 and is connected to the contact plate 3. When using this device, firstly, the locking blocks of the first switch housing 1 and the second switch housing 2 are aligned to fix the first switch housing 1 and the second switch housing 2. The connecting pin 4 is inserted into the circuit board of the keyboard to make connection. The keycaps are connected and fixed by the keycap insert 8.

[0031] The surface of the first switch housing 1 has an opening, and a sound-dampening pad 5 is fixedly installed on the inner wall of the lower end of the opening of the first switch housing 1. Two support blocks 6 are fixedly connected to the inner wall of the opening of the first switch housing 1, and a positioning baffle 7 is provided on the inner wall of the opening of the first switch housing 1. The sound-dampening pad 5 is annular in design, and the two support blocks 6 are symmetrically arranged. A spring connects the support blocks 6 and the positioning baffle 7. The positioning baffle 7 is disc-shaped and forms a sliding connection with the first switch housing 1. The upper end of the keycap insert 8 penetrates the upper end of the first switch housing 1, the linkage slide 9 penetrates the opening of the sound-dampening pad 5, and the lower end of the spindle post 10 penetrates the groove of the second switch housing 2. Figure 2 As shown, when the keycap is pressed, the keycap insert 8 causes the positioning baffle 7 to slide down and compress the spring on the surface of the support block 6. The positioning baffle 7 causes the linkage slide column 9 and the spindle column 10 to descend, making it easier for the spindle column 10 to contact the contact plate 3 to work. At the same time, the lateral limiting block 15 on the surface of the linkage slide column 9 causes the linkage pressure plate 16 to press the sound-dampening cotton pad 5 to reduce noise and make it quiet.

[0032] A keycap insert 8 is fixedly connected to the upper surface of the positioning baffle 7, a linkage slide 9 is fixedly connected to the lower surface of the positioning baffle 7, and a spindle 10 is fixedly connected to the lower surface of the linkage slide 9. The adjustment mechanism includes an adjustment opening 11, which is located on the upper surface of the keycap insert 8. A positioning screw 13 is installed on the inner wall of the adjustment opening 11. An adjustment screw head 12 is fixedly connected to the upper end of the positioning screw 13, and a pressing block 14 is fixedly connected to the lower end of the positioning screw 13. The upper side surface of the linkage slide 9 is provided with... The linkage slide column 9 has an opening, and a lateral limiting block 15 is installed on the inner wall of the opening. A linkage pressure plate 16 is provided on the inner wall of the opening of the first shaft housing 1. When adjustment is required, a tool is inserted into the adjustment opening 11 and the adjustment screw head 12 is rotated, so that the adjustment screw head 12 drives the positioning screw 13 to rotate. The positioning screw 13 rises in the adjustment opening 11 through the thread, so that the positioning screw 13 drives the pressing block 14 to no longer press the lateral limiting block 15, so that the two lateral limiting blocks 15 can be pulled by the spring and retracted into the linkage slide column 9.

[0033] An adjustment mechanism is provided between the keycap insert 8 and the linkage slide column 9. The adjustment mechanism drives the pressing block 14 to move through the adjustment screw head 12 and the positioning screw 13 on the inner wall of the adjustment opening 11, thereby controlling the lateral limiting block 15 to limit the linkage pressure plate 16. The adjustment opening 11 is connected to the opening of the linkage slide column 9. The positioning screw 13 and the adjustment opening 11 form a threaded connection. The pressing block 14 is spherical. The lateral limiting block 15 and the linkage slide column 9 are slidably connected. A spring is connected between the lateral limiting block 15 and the linkage slide column 9. The surface of the opposite end of the lateral limiting block 15 is inclined. The height of the lateral limiting block 15 is higher than the height of the linkage pressure plate 16. The linkage pressure plate 16 is slidably connected to the first shaft housing 1. A spring is connected between the linkage pressure plate 16 and the first shaft housing 1. When the lateral limiting block 15 retracts, the linkage slide column 9 will descend and will not limit the linkage pressure plate 16, thus preventing the production of a silent effect.

[0034] Working principle: When using this silent rebound keyboard switch structure, the first switch shell 1 and the second switch shell 2 are snapped together and fixed. They are connected to the circuit board through the connecting pin 4. When the keycap insert 8 is pressed down, it causes the keycap insert 8 to drive the positioning baffle 7 to slide down and press the spring of the supporting block 6. At the same time, the lateral limiting block 15 drives the linkage pressure plate 16 to slide down and press the silent cotton pad 5. This causes the adjusting screw head 12 in the adjusting opening 11 to rotate, which in turn drives the positioning screw 13 to rotate. This makes it easier for the positioning screw 13 to drive the pressing block 14 to rise. After the pressing block 14 stops pressing the lateral limiting block 15, the lateral limiting block 15 is pulled and retracted by the spring, so that the linkage pressure plate 16 does not press the silent cotton pad 5, which increases the overall practicality.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A silent, spring-loaded keyboard switch structure, comprising a first switch housing (1), a second switch housing (2) mounted at its lower end, a groove provided on the upper surface of the second switch housing (2), and a contact plate (3) fixedly connected to the bottom surface of the groove of the second switch housing (2), and a connecting pin (4) fixedly mounted on the bottom surface of the second switch housing (2), characterized in that: The surface of the first shaft housing (1) is provided with an opening, and a sound-absorbing cotton pad (5) is fixedly provided on the inner wall of the lower end of the opening of the first shaft housing (1). Two support blocks (6) are fixedly connected to the inner wall of the opening of the first shaft housing (1). A positioning baffle (7) is provided on the inner wall of the opening of the first shaft housing (1). A keycap insert (8) is fixedly connected to the upper surface of the positioning baffle (7). A linkage slide column (9) is fixedly connected to the lower surface of the positioning baffle (7). A shaft column (10) is fixedly connected to the lower surface of the linkage slide column (9). An adjustment mechanism is provided between the keycap insert (8) and the linkage slide column (9). The mechanism drives the pressing block (14) to move by adjusting the adjusting screw (12) and the positioning screw (13) on the inner wall of the opening (11), thereby controlling the lateral limiting block (15) to limit the linkage pressure plate (16).

2. The silent rebound keyboard switch structure according to claim 1, characterized in that: The first shaft housing (1) and the second shaft housing (2) are connected by a locking block. The upper end of the connecting pin (4) penetrates the lower surface of the second shaft housing (2), and the upper end of the connecting pin (4) is connected to the contact plate (3).

3. The silent rebound keyboard switch structure according to claim 1, characterized in that: The sound-absorbing cotton pad (5) is a ring design, and the two support blocks (6) are symmetrically arranged. A spring connects the support blocks (6) and the positioning baffle (7). The positioning baffle (7) is a disc-shaped design.

4. The silent rebound keyboard switch structure according to claim 1, characterized in that: The positioning baffle (7) is slidably connected to the first shaft housing (1), the upper end of the keycap insert (8) passes through the upper end of the first shaft housing (1), the linkage slide column (9) passes through the opening of the silent cotton pad (5), and the lower end of the shaft column (10) passes through the groove of the second shaft housing (2).

5. The silent rebound keyboard switch structure according to claim 1, characterized in that: The adjustment mechanism includes an adjustment opening (11) on the upper surface of the keycap insert (8). A positioning screw (13) is installed on the inner wall of the adjustment opening (11). An adjustment screw head (12) is fixedly connected to the upper end of the positioning screw (13). A pressing block (14) is fixedly connected to the lower end of the positioning screw (13). An opening is provided on the upper side surface of the linkage slide column (9). A lateral limiting block (15) is installed on the inner wall of the opening of the linkage slide column (9). A linkage pressure plate (16) is provided on the inner wall of the opening of the first shaft housing (1).

6. The silent rebound keyboard switch structure according to claim 5, characterized in that: The adjustment opening (11) is connected to the opening of the linkage slide (9), the positioning screw (13) and the adjustment opening (11) are connected by a thread, and the compression block (14) is spherical.

7. The silent rebound keyboard switch structure according to claim 5, characterized in that: The lateral limiting block (15) and the linkage slide column (9) are slidably connected, and a spring is connected between the lateral limiting block (15) and the linkage slide column (9). The surface of the lateral limiting block (15) at one end is inclined. The height of the lateral limiting block (15) is higher than the height of the linkage pressure plate (16). The linkage pressure plate (16) and the first shaft shell (1) are slidably connected, and a spring is connected between the linkage pressure plate (16) and the first shaft shell (1).

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