CN113035624A - Prevent mistake and touch mechanical switch and mechanical keyboard - Google Patents
Prevent mistake and touch mechanical switch and mechanical keyboard Download PDFInfo
- Publication number
- CN113035624A CN113035624A CN202110330352.3A CN202110330352A CN113035624A CN 113035624 A CN113035624 A CN 113035624A CN 202110330352 A CN202110330352 A CN 202110330352A CN 113035624 A CN113035624 A CN 113035624A
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- CN
- China
- Prior art keywords
- fixed contact
- moving
- conduction device
- contact group
- switch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
- H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
Abstract
The invention discloses a false touch prevention mechanical switch, which comprises a keycap and a switch base, wherein the bottom of the switch base is detachably connected with a lower cover; a first fixed contact group and a second fixed contact group are arranged in the switch seat; the key cap is connected with the first mobile conduction device through the guide shaft, a second mobile conduction device is arranged below the first mobile conduction device, and a first reset device is arranged between the first mobile conduction device and the second mobile conduction device; the second movable conduction device is positioned between the first fixed contact group and the second fixed contact group and is movably connected with the first fixed contact group; the second mobile conduction device is provided with a third reset device. This prevent mistake and touch mechanical switch is two segmentation structures, presses two sets of switches in back and switches on the switch simultaneously and just can export, has solved the mistake that probably takes place in the use and touches and the inconvenient, the problem that influences work efficiency of official working that leads to.
Description
Technical Field
The invention relates to a keyboard, in particular to a false touch prevention mechanical switch.
Background
The keyboard is a computer input device, an operator can achieve the effect of controlling a computer through a series of instruction input, the keyboard generally comprises a base, keys and signal transmission equipment, and the keys are tapped by fingers in the operation process.
When using the computer official working, the inevitable keyboard that can be used, all evenly install the button that a plurality of mutual independence set up on most traditional keyboards, because the button is generally inseparable, people are when striking the button with the finger, often can be because of finger whereabouts position is inaccurate, when pressing a button, carry another button to fall down under the frictional action of finger, the mistake is touched in the emergence, thereby lead to the input instruction to take place the mistake, bring inconvenience for the official working, influence work efficiency, the process of modification also comparatively wastes time and energy, and when using the keyboard for a long time, sweat on the finger can the adhesion on the key surface, give people and bring the uncomfortable sense of wet and smooth, it slides when pressing the keyboard to change the finger, cause the phenomenon of miss-touch.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the anti-false-touch mechanical switch which is convenient for office work, avoids errors and improves the working efficiency.
The mechanical switch is realized by the following technical measures, and comprises a keycap and a switch base; a first fixed contact group and a second fixed contact group are arranged in the switch base; the key cap is connected with a first mobile conduction device through a guide shaft, a second mobile conduction device is arranged below the first mobile conduction device, and a first reset device is arranged between the first mobile conduction device and the second mobile conduction device; the second movable conducting device is positioned between the first fixed contact group and the second fixed contact group, and the second movable conducting device is movably connected with the first fixed contact group; the second mobile conduction device is provided with a second reset device.
As a preferable mode, the guide shaft penetrates through the switch base, and the top of the guide shaft is used for being connected with the keycap; the bottom of the guide shaft is connected with the first mobile conduction device through a first return spring.
As a preferable mode, the guide shaft penetrates through the switch base, and the top of the guide shaft is used for being connected with the keycap; the bottom of the guide shaft is connected with the first mobile conduction device through a first return spring.
Preferably, the first return means includes a second return spring, and the first moving conduction means is connected to the second moving conduction means through the second return spring.
As a preferable mode, the second reset device includes a moving rod, and a third reset spring sleeved on the moving rod; the movable rod is movably connected with the first fixed contact group, the movable rod is sleeved with a third reset spring, and the bottom of the movable rod is connected with the second movable conduction device.
As a preferable mode, the first fixed contact group comprises a first fixed contact and a second fixed contact which are arranged on the side wall of the switch base in opposite directions; the first fixed contact and the second fixed contact both comprise a contact and a connecting cylinder, the moving rod penetrates through the connecting cylinder, a limiting convex ring is arranged at the upper end of the moving rod, a third reset spring is arranged between the limiting convex ring and the connecting cylinder, and the lower end of the moving rod is connected with the second moving and conducting device.
As a preferable mode, the first moving conduction device and/or the second moving conduction device is a strip-shaped metal plate, and two ends of the surface of the metal plate are provided with protrusions.
Preferably, an insulating member is disposed between the first moving conduction device or the second moving conduction device or between the first moving conduction device and the second moving conduction device.
Preferably, the insulating member is an insulating rubber coating covering the surface of the second mobile conduction device.
The utility model provides a prevent mistake and touch mechanical keyboard, includes the keyboard body, this internal PCBA board and above arbitrary that is equipped with of keyboard prevent mistake and touch mechanical switch.
As a preferable mode, a rotary slot for installing the mechanical switch is arranged in the keyboard body.
According to the mistaken touch prevention mechanical switch and the mechanical keyboard provided by the invention, a user presses the keycap, and the guide shaft drives the first movable conduction device to move downwards to be in contact with the two movable rods, so that the first fixed contact group is conducted; the guide shaft continuously moves downwards, the first moving conduction device drives the two moving rods to move downwards, and then the second moving conduction device is driven to move downwards to be in contact with the second fixed contact group, so that the confirmation switch is pressed formally, the keyboard MCU sends a code to confirm the switch conduction, and the switch function is realized. This prevent mistake and touch mechanical switch is two segmentation structures, presses two sets of switches in back and switches on the switch simultaneously and just can export, has solved the mistake that probably takes place in the use and touches and the inconvenient, the problem that influences work efficiency of official working that leads to.
Drawings
FIG. 1 is a schematic structural diagram of a mechanical switch according to an embodiment of the present invention;
FIG. 2 is an exploded view of a mechanical switch according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a mechanical keyboard according to an embodiment of the present invention;
fig. 4 is an exploded view of a mechanical keyboard according to an embodiment of the present invention.
Number and name in the figure: 1. the key cap 2, the switch base 21, the lower cover 22, the through hole 23, the guide shaft 3, the first fixed contact group 31, the first fixed contact 32, the second fixed contact 33, the connecting cylinder 34, the contact 4, the second fixed contact group 5, the first reset device 61, the movable rod 62, the third reset spring 63, the limit convex ring 7, the first reset spring 8, the first mobile conduction device 9, the second mobile conduction device 10, the keyboard body 11, the rotary slot 12 and the PCBA board
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Example one
A mechanical switch for preventing accidental touch refers to fig. 1 to 4, and comprises a keycap 1 and a switch base 2, wherein the bottom of the switch base 2 is detachably connected with a lower cover 21; a first fixed contact group 3 and a second fixed contact group 4 are arranged in the switch base 2; the keycap 1 is connected with a first mobile conduction device 8 through a guide shaft 23, a second mobile conduction device 9 is arranged below the first mobile conduction device 8, and a first reset device 5 is arranged between the first mobile conduction device 8 and the second mobile conduction device 9; the second movable conducting device 9 is positioned between the first fixed contact group 3 and the second fixed contact group 4, and the second movable conducting device 9 is movably connected with the first fixed contact group 3; the second mobile conducting means 9 are provided with third resetting means.
Specifically, the side wall of the switch base 2 is provided with a through hole 22 for installing the first fixed contact group 3 and the second fixed contact group 4; the first fixed contact group 3 comprises a first fixed contact 31 and a second fixed contact 32 which are arranged on the side wall of the switch base 2 in opposite sides, the second fixed contact group 4 comprises a third fixed contact and a fourth fixed contact which are symmetrically arranged on the side wall of the switch base 2, the first fixed contact group 3 and the second fixed contact group 4 are arranged in parallel, the second fixed contact group 4 is close to the bottom of the side edge of the switch base 2, and the first fixed contact group 3 is positioned above the second fixed contact group 4; the first fixed contact group 3 and the second fixed contact group 4 are both normally open contacts, the first fixed contact group 3 is connected with a conventional keyboard PCBA board 12, the second fixed contact group 4 is a confirmation switch, one end of the confirmation switch is connected with an independent IO, and the other end of the confirmation switch is connected with a GND; the first fixed contact group 3 and the second fixed contact group 4 are arranged insulated from each other.
The first movable conduction device 8 and the second movable conduction device 9 are strip-shaped metal plates, protrusions are arranged at two ends of the surface of each metal plate, and protrusions matched with the protrusions are arranged at two ends of the surface of the second fixed contact group 4, so that the metal plates are in contact conduction with contacts (contacts).
Further, referring to fig. 2, the guide shaft 23 is inserted into the switch base 2, and the top of the guide shaft 23 is used for connecting with the key cap 1; the bottom of the guide shaft 23 is connected with the first mobile conduction device 8; in this embodiment, a first return spring 7 is disposed between the guide shaft 23 and the first mobile conduction device 8, and the resilience is better.
Further, referring to fig. 2, the second reset device is used for resetting the second mobile conducting device 9, in this embodiment, the second reset device is preferably a second reset spring 5, and the first mobile conducting device 8 is connected to the second mobile conducting device 9 through the second reset spring 5.
Further, referring to fig. 2, the third returning device includes a moving rod 61, and a third returning spring 62 sleeved on the moving rod 61, wherein the moving rod 61 is made of a metal material; the first fixed contact 31 and the second fixed contact 32 both comprise a contact 34 and a connecting cylinder 33, the moving rod 61 penetrates through the connecting cylinder 33, the upper end of the moving rod 61 is provided with a limiting convex ring 63, the moving rod 61 is sleeved with a third return spring 62, the third return spring 62 is arranged between the limiting convex ring 63 and the connecting cylinder 33, and the lower end of the moving rod 61 is connected with the second moving conduction device 9.
Further, referring to fig. 2, an insulating member is disposed between the first moving conduction device 8 or the second moving conduction device 9 or the first moving conduction device 8 and the second moving conduction device 9; in this embodiment, it is preferable to provide an insulating coating covering the surface of the second mobile conduction device 9, so as to insulate the first mobile conduction device 8 and the second mobile conduction device 9 from each other.
The working principle of the mechanical switch is as follows: when a user presses the key cap 1, the guide shaft 23 drives the first moving conduction device 8 to move downwards to be in contact with the two moving rods 61, so that the first fixed contact group 3 is conducted; the guide shaft 23 moves downwards continuously, the first mobile conduction device 8 drives the two moving rods 61 to move downwards, and further drives the second mobile conduction device 9 to move downwards to be in contact with the second fixed contact group 4, so that the confirmation switch is pressed formally, the keyboard MCU sends a code to confirm the switch conduction, and the switch function is realized.
This prevent mistake and touch mechanical switch is two segmentation structures, presses two sets of switches in back and switches on the switch simultaneously and just can export, has solved the mistake that probably takes place in the use and touches and the inconvenient, the problem that influences work efficiency of official working that leads to.
Example two
The embodiment provides a mechanical keyboard for preventing accidental touch, and with reference to fig. 3 and 4, the mechanical keyboard comprises a keyboard body 10, a PCBA board 12 arranged in the keyboard body 10, and a mechanical switch according to the first embodiment. The mechanical keyboard solves the problems of inconvenient office work and influence on working efficiency caused by mistaken touch which possibly occurs in the using process.
Furthermore, a rotary slot 11 for installing a mechanical switch is arranged in the keyboard body 10, so that the installation and the removal are convenient.
The disclosure of the invention is provided to facilitate understanding of the invention, but the embodiments of the invention are not limited to the above embodiments, and any changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit of the invention should be construed as equivalents and are included within the scope of the invention.
Claims (10)
1. The mechanical switch is characterized by comprising a keycap and a switch base; a first fixed contact group and a second fixed contact group are arranged in the switch base; the key cap is connected with a first mobile conduction device through a guide shaft, a second mobile conduction device is arranged below the first mobile conduction device, and a first reset device is arranged between the first mobile conduction device and the second mobile conduction device; the second movable conducting device is positioned between the first fixed contact group and the second fixed contact group, and the second movable conducting device is movably connected with the first fixed contact group; the second mobile conduction device is provided with a second reset device.
2. The anti-false-touch mechanical switch according to claim 1, wherein the guide shaft penetrates through the switch base, and the top of the guide shaft is used for being connected with the keycap; the bottom of the guide shaft is connected with the first mobile conduction device through a first return spring.
3. The mis-touch prevention mechanical switch as recited in claim 1, wherein the first reset means comprises a second reset spring, and the first moving conductive means is connected to the second moving conductive means through the second reset spring.
4. The anti-false-touch mechanical switch according to claim 1, wherein the second reset means comprises a moving rod, a third reset spring sleeved on the moving rod; the movable rod is movably connected with the first fixed contact group, the movable rod is sleeved with a third reset spring, and the bottom of the movable rod is connected with the second movable conduction device.
5. The mechanical switch of claim 4, wherein the first fixed contact group comprises a first fixed contact and a second fixed contact which are arranged on the side wall of the switch base in opposite directions; the first fixed contact and the second fixed contact both comprise a contact and a connecting cylinder, the moving rod penetrates through the connecting cylinder, a limiting convex ring is arranged at the upper end of the moving rod, a third reset spring is arranged between the limiting convex ring and the connecting cylinder, and the lower end of the moving rod is connected with the second moving and conducting device.
6. The mechanical switch of claim 1, wherein the first moving conducting device and/or the second moving conducting device is a strip-shaped metal plate, and protrusions are disposed at two ends of the surface of the metal plate.
7. The mis-touch prevention mechanical switch as claimed in claim 1, wherein an insulating member is disposed between the first moving conducting device or the second moving conducting device or the first moving conducting device and the second moving conducting device.
8. The switch of claim 7, wherein the insulating member is an insulating coating covering the surface of the second movable conducting means.
9. An anti-false-touch mechanical keyboard, which is characterized by comprising a keyboard body, wherein a PCBA board and the anti-false-touch mechanical switch of any one of claims 1 to 8 are arranged in the keyboard body.
10. The mechanical keyboard of claim 9, wherein the keyboard body has a rotary slot for mounting the mechanical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330352.3A CN113035624A (en) | 2021-03-26 | 2021-03-26 | Prevent mistake and touch mechanical switch and mechanical keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330352.3A CN113035624A (en) | 2021-03-26 | 2021-03-26 | Prevent mistake and touch mechanical switch and mechanical keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113035624A true CN113035624A (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110330352.3A Pending CN113035624A (en) | 2021-03-26 | 2021-03-26 | Prevent mistake and touch mechanical switch and mechanical keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113035624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185840A (en) * | 2023-09-21 | 2023-12-08 | 深圳市精科实业有限公司 | Preparation process of ice crack glaze key cap and key cap prepared by using same |
-
2021
- 2021-03-26 CN CN202110330352.3A patent/CN113035624A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117185840A (en) * | 2023-09-21 | 2023-12-08 | 深圳市精科实业有限公司 | Preparation process of ice crack glaze key cap and key cap prepared by using same |
| CN117185840B (en) * | 2023-09-21 | 2024-02-27 | 深圳市精科实业有限公司 | Preparation process of ice crack glaze key cap and key cap prepared by using same |
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