High-stability magnetic induction keyboard switch

Abstract

The utility model discloses a high-stability magnetic induction keyboard switch, which comprises a PCB (printed circuit board), a base, a cover, a pressing handle, a clamping plate, a magnetic shaft and a Hall switch, a clamping column is arranged at the bottom of the base, the PCB is positioned below the base, the clamping column penetrates through the PCB and is clamped with the PCB, the Hall switch is mounted on the bottom surface of the PCB, the clamping plate is clamped on the base and positioned above the PCB, the cover is clamped above the base, and the magnetic shaft is arranged on the cover. The pressing handle is installed on the cover, and the magnetic shaft is installed in the base and located above the Hall switch. According to the utility model, the clamping columns are arranged to clamp the PCB and the pedestal, so that the distance between the PCB and the clamping plate is kept stable and unchanged, the magnetic field stability of the Hall switch is ensured, and the stability of the whole key switch is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard switches, in particular to a high-stability magnetic induction keyboard switch. Background Art

[0002] Computers have become an indispensable tool in modern people's work and life, and keyboards are one of the most important input devices for computers. Therefore, the quality of key switches directly determines the user experience of computers. The utility model patent with the application number 201520945865.5 and the name of a mechanical keyboard switch of an LED lamp based on the Hall principle discloses a mechanical shaft, a permanent magnet, a base, an LED lamp, a Hall switch, a shrapnel, an upper cover and a spring; the mechanical shaft includes a shaft core and a slider, the upper part of the shaft core is a key, and the lower part is a first positioning column; a magnet mounting groove is arranged on the side wall of the slider; a second positioning column is arranged at the center of the inner bottom of the base, a guiding hole is opened at the center of the second positioning column, and a Hall switch mounting hole and a shaft core slideway are arranged on the adjacent side of one side of the base; the upper cover is detachably buckled on the base, the key passes through the top of the upper cover, and the first positioning column is movably embedded in the guiding hole. However, after long-term use of this technical solution, with the handle being knocked and pressed multiple times, it will affect the stability of the magnetic field of the Hall switch, and further affect the overall stability of the keyboard switch. To solve this problem, it is necessary to develop a high-stability magnetic induction keyboard switch with stable magnetic field of the Hall switch. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a high-stability magnetic induction keyboard switch.

[0004] According to one aspect of the utility model, a high-stability magnetic induction keyboard switch is provided, which includes a PCB board, a base, a cover, a handle, a clamping plate, a magnetic shaft and a Hall switch. A clamping post is arranged at the bottom of the base. The PCB board is located below the base. The clamping post passes through the PCB board and is clamped with the PCB board. The Hall switch is installed on the bottom surface of the PCB. The clamping plate is clamped on the base and is located above the PCB board. The cover is clamped above the base. The handle is installed on the cover. The magnetic shaft is installed in the base and is located above the Hall switch.

[0005] In some embodiments, the base is further provided with a fixing hole, and one end of the clamping post extends into the fixing hole and is connected with the inner wall of the fixing hole.

[0006] In some embodiments, the other end of the clamping post is provided with a first clamping arm and a second clamping arm that are symmetric left and right. The first clamping arm and the second clamping arm are both located below the fixing hole. The bottom end of the first clamping arm is provided with a first clamping block, and the bottom end of the second clamping arm is provided with a second clamping block.

[0007] In some embodiments, the first clamping block and the second clamping block have the same structure and are both provided with a first inclined surface and a second inclined surface.

[0008] In some embodiments, the PCB board is provided with card holes located below the card posts. Both the first card arm and the second card arm pass through the card holes, and both the first card block and the second card block are clamped to the bottom surface of the PCB board.

[0009] In some embodiments, there are two card holes and two card posts, and the two card posts are respectively installed in the two card holes in a one-to-one correspondence.

[0010] In some embodiments, the present utility model further includes a light guide column and an LED lamp. The light guide column is clamped on the lid, and its bottom end extends into the base. The LED lamp is fixedly installed on the bottom surface of the PCB board and is located on one side of the Hall switch.

[0011] In some embodiments, the base is further provided with a fixing post. The fixing post is provided with an accommodation cavity, the magnetic shaft is installed in the accommodation cavity, the Hall switch is located below the magnetic shaft and is on the same vertical line as the magnetic shaft.

[0012] In some embodiments, the two card holes are symmetrically distributed on both sides of the Hall switch.

[0013] In some embodiments, the present utility model further includes a spring. One end of the spring is sleeved on the outside of the fixing post, and the other end abuts against the push button handle.

[0014] The beneficial effects of the present utility model: By setting the card posts, the PCB board is clamped with the base, so that the distance between the PCB board and the card board remains stable and unchanged, ensuring the stability of the magnetic field of the Hall switch and improving the stability of the overall key switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an exploded view of a high-stability magnetic induction keyboard switch according to an embodiment of the present utility model.

[0016] Figure 2 is a schematic structural diagram of a high-stability magnetic induction keyboard switch according to an embodiment of the present utility model.

[0017] Figure 3 is a bottom view of a high-stability magnetic induction keyboard switch according to an embodiment of the present utility model.

[0018] Figure 4 is a top view of the base of a high-stability magnetic induction keyboard switch according to an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described in detail below in conjunction with the embodiments.

[0020] Reference Figures 1 to 4, the present utility model provides a highly stable magnetic induction keyboard switch, which includes a PCB board 1, a base 2, a cover 3, a push handle 4, a clamping plate 5, a magnetic axis 6, a Hall switch 7, a spring 8, a light guide column 9 and an LED lamp 10.

[0021] The base 2 is provided with two clamping columns 21, fixing holes 22 and fixing columns 23. One end of the clamping column 21 extends into the fixing hole 22 and is injection-molded with the inner wall of the fixing hole 22. The other end of the clamping column 21 is provided with a first clamping arm 211 and a second clamping arm 212 which are symmetric left and right. Both the first clamping arm 211 and the second clamping arm 212 are located below the fixing hole 22. The bottom end of the first clamping arm 211 is provided with a first clamping block 213, and the bottom end of the second clamping arm 212 is provided with a second clamping block 214. The first clamping block 213 and the second clamping block 214 have the same structure and are both provided with a first inclined surface 215 and a second inclined surface 216. The fixing column 23 is provided with a receiving cavity 231, and the magnetic axis 6 is installed in the receiving cavity 231. The first inclined surface 215 and the second inclined surface 216 are provided to facilitate the first clamping block 213 and the second clamping block 214 to be smoothly clamped into the clamping holes 11 during installation. The receiving cavity 231 is used to place the magnetic axis 6, and the magnetic axis 6 cooperates with the Hall switch 7 for magnetic induction.

[0022] The PCB board 1 is located below the base 2. The PCB board 1 is provided with two clamping holes 11, and the two clamping holes 11 are symmetrically distributed left and right on both sides of the Hall switch 7. The clamping holes 11 are located below the clamping columns 21. The two clamping columns 21 are respectively installed in the two clamping holes 11 in a one-to-one correspondence. Both the first clamping arm 211 and the second clamping arm 212 pass through the clamping holes 11, and both the first clamping block 213 and the second clamping block 214 are clamped to the bottom surface of the PCB board 1.

[0023] Both the Hall switch 7 and the LED lamp 10 are installed on the bottom surface of the PCB board 1. The Hall switch 7 is located below the magnetic axis 6 and is on the same vertical line as the magnetic axis 6. The LED lamp 10 is located on one side of the Hall switch 7.

[0024] The clamping plate 5 is clamped on the base 2 and is located above the PCB board 1. The cover 3 is clamped above the base 2, and the push handle 4 is installed on the cover 3. One end of the spring 8 is sleeved on the outside of the fixing column 23, and the other end abuts against the push handle 4. The light guide column 9 is clamped on the cover 3, and its bottom end extends into the base 2.

[0025] In this embodiment, the two clamping columns 21 are respectively clamped in the two clamping holes 11 of the PCB board 1 in a one-to-one correspondence, so that the distance between the clamping plate 5 and the PCB board 1 remains stable and unchanged. During use, it will not be affected by the up and down movement of the push handle 4, improving the stability of the magnetic field of the Hall switch 7, and further improving the overall stability of the key switch.

[0026] The above are only some embodiments of the present utility model. For those of ordinary skill in the art, without departing from the creative concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model.

Claims

1. A high stability magnetic keyboard switch, characterized in that: The invention comprises a PCB board, a base, a cover, a handle, a card board, a magnetic axis and a Hall switch, wherein a card column is provided at the bottom of the base, the PCB board is located below the base, the card column passes through the PCB board and is carded with the PCB board, the Hall switch is installed on the bottom surface of the PCB, the card board is carded on the base and is located above the PCB board, the cover is carded on the base, the handle is installed on the cover, and the magnetic axis is installed in the base and is located above the Hall switch.

2. A high stability magnetic induction keyboard switch according to claim 1, characterized in that: The base is also provided with a fixing hole, and one end of the clamping column extends into the fixing hole and is connected to the inner wall of the fixing hole.

3. A high stability magnetic induction keyboard switch according to claim 2, characterized in that: The other end of the clamping column is provided with a left-right symmetrical first clamping arm and a second clamping arm, both of which are located below the fixing hole, a first clamping block is provided at the bottom end of the first clamping arm, and a second clamping block is provided at the bottom end of the second clamping arm.

4. The high stability magnetic induction keyboard switch according to claim 3, characterized in that: The first clamping block and the second clamping block have the same structure, and are both provided with a first inclined surface and a second inclined surface.

5. The high stability magnetic induction keyboard switch according to claim 4, characterized in that: The PCB board is provided with a card hole, the card hole is located below the card column, the first card arm and the second card arm both pass through the card hole, and the first card block and the second card block are both carded to the bottom surface of the PCB board.

6. The high stability magnetic induction keyboard switch according to claim 5, characterized in that: There are two clamping holes and two clamping columns, and the two clamping columns are installed in the two clamping holes in a one-to-one correspondence.

7. The high stability magnetic induction keyboard switch according to claim 1, characterized in that: It also includes a light guide column and an LED lamp. The light guide column is clamped on the cover, and its bottom end extends into the base. The LED lamp is fixedly installed on the bottom surface of the PCB board and is located on one side of the Hall switch.

8. The high stability magnetic induction keyboard switch according to claim 1, characterized in that: The base is further provided with a fixing column, a receiving cavity is provided in the fixing column, the magnetic axis is installed in the receiving cavity, and the Hall switch is located below the magnetic axis and on the same vertical line as the magnetic axis.

9. The high stability magnetic induction keyboard switch according to claim 6, characterized in that: The two clamping holes are symmetrically distributed on both sides of the Hall switch.

10. The high stability magnetic induction keyboard switch according to claim 8, characterized in that: It also includes a spring, one end of which is sleeved on the outer side of the fixing column, and the other end of which is in contact with the handle.

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