CN220439462U

CN220439462U - Pluggable mechanical keyboard switch

Info

Publication number: CN220439462U
Application number: CN202321957611.6U
Authority: CN
Inventors: 吕攀豪; 吴福喜
Original assignee: Dongguan Kaihua Electronics Co Ltd
Current assignee: Dongguan Kaihua Electronics Co Ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-02-02
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a pluggable mechanical keyboard switch, which comprises a base, a cover, a guide core, a reset spring and a conducting piece, wherein the base, the cover, the guide core, the reset spring and the conducting piece are detachably arranged on a PCB; the movable contact piece comprises a first movable conducting arm which extends downwards obliquely towards one end far away from the fixed piece and a second movable conducting arm which extends downwards obliquely towards one end far away from the fixed piece, and a first static conducting contact and a second static conducting contact which correspond to the first movable conducting arm and the second movable conducting arm are arranged on the PCB. The utility model has the advantages of good contact stability, convenient and quick installation of the conduction structure, good elastic restoring force, accurate conduction and disconnection actions, free plugging and easy replacement, and can meet the use requirements of different people.

Description

Pluggable mechanical keyboard switch

Technical Field

The utility model relates to the technical field of key switches, in particular to a pluggable mechanical keyboard switch.

Background

The mechanical keyboard is a keyboard which is more complex than a film keyboard, and a mechanical switch is adopted below a keycap of the mechanical keyboard; the mechanical keyboard has the characteristics of higher cost than a film keyboard, better hand feeling, crisp sound, long mechanical service life and the like, but the mechanical switch has poorer performance in the aspects of water resistance and dust resistance, so that the mechanical switch cannot avoid faults.

The mechanical switch of the existing mechanical keyboard is directly welded on the PCB, and the defects are very obvious: once the mechanical switch is bad or damaged, the mechanical switch is difficult to replace, the maintenance cost is high, the terminal user cannot replace the mechanical switch by himself, the time is wasted, and the hidden danger of welding exists; in addition, this prior art also prevents the end user from selecting different types of mechanical switches on their own for different keys of the keyboard according to their own preferences.

And the conduction structure of the traditional mechanical switch needs to be fixed on structures such as a shell or a guide core, and the like, and the structure is relatively fine, the precision required by fixation is relatively high, the technical difficulty is relatively high, the manpower and material resources are relatively high, and the traditional mechanical switch is not suitable for the current rapid production requirement.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present utility model aims to provide a pluggable mechanical keyboard switch, which has the advantages of good contact stability, convenient and quick installation of a conduction structure, good elastic restoring force, accurate on and off actions, free plugging and easy replacement, so as to meet the use requirements of different people.

The technical scheme adopted by the utility model for achieving the purpose is as follows:

the utility model provides a pluggable mechanical keyboard switch, includes a detachable base of installing on the PCB board, lock in a lid on the base, set up in the base middle part and upwards run through a guide core of lid, cover locate a reset spring between guide core and the base middle part, and by the guide core drives and trigger a switch on and a switch off switch on piece, wherein, the guide core extends a drive division towards one side of switch on piece, the switch on piece is driven by the drive division, the switch on piece is conductive elastomer, including embedded in a stationary blade on base or lid side, and with a stationary blade integrated into one piece's a connecting action arm, and integrated into one piece in a movable contact piece that the connecting action arm is kept away from stationary blade one end; the movable contact comprises a first movable conducting arm and a second movable conducting arm, wherein the first movable conducting arm is integrally formed on the connecting action arm and extends downwards obliquely towards one end far away from the fixing piece, the second movable conducting arm is integrally formed on the connecting action arm and extends downwards obliquely towards one end far away from the fixing piece, and a first static conducting contact and a second static conducting contact which are in one-to-one correspondence with the first movable conducting arm and the second movable conducting arm are arranged on the PCB.

As a further improvement of the utility model, the first movable conducting arm is bent in a direction which is smaller than 90 degrees and is away from the first static conducting contact at a position which is contacted with the first static conducting contact to form a first movable conducting contact, and is bent in a direction which is smaller than 90 degrees and is away from the first static conducting contact at a position which is contacted with the second static conducting contact to form a second movable conducting contact.

As a further improvement of the utility model, the tail ends of the first movable conducting arm and the second movable conducting arm are mutually connected.

As a further improvement of the utility model, the first movable conducting arm and the second movable conducting arm are pressed against the upper part of the driving part by deformation and lifted by the driving part, so that the first movable conducting arm and the second movable conducting arm generate downward elastic force, and when the guide core is pressed downwards, the first movable conducting arm and the second movable conducting arm are respectively contacted with the first static conducting contact and the second static conducting contact downwards along with the driving part under the action of the elastic force, thereby realizing electric signal input; when the guide core is reset under the action of the reset spring, the first movable conducting arm and the second movable conducting arm are lifted by the driving part, and the first movable conducting arm and the second movable conducting arm are respectively disconnected with the first static conducting contact and the second static conducting contact downwards along with the driving part, so that electric signal transmission is completed.

As a further improvement of the utility model, the first movable conducting arm and the second movable conducting arm are fixedly connected with the driving part, and when the guide core is pressed downwards, the first movable conducting arm and the second movable conducting arm are respectively contacted with the first static conducting contact and the second static conducting contact downwards along with the driving part, so that electric signal input is realized; when the guide core is reset under the action of the reset spring, the first movable conducting arm and the second movable conducting arm are lifted by the driving part, and the first movable conducting arm and the second movable conducting arm are disconnected with the first static conducting contact and the second static conducting contact respectively along with the driving part, so that electric signal input is completed.

As a further improvement of the utility model, the base is provided with a conduction abdication hole above the first static conduction contact and the second static conduction contact of the PCB, and the abdication first movable conduction contact and the second movable conduction contact pass through to be respectively contacted and conducted with the first static conduction contact and the second static conduction contact.

As a further improvement of the utility model, at least one pluggable fixing column is arranged on the lower end surface of the base.

As a further improvement of the utility model, the base is provided with a first limit convex edge on the inner wall at one side of the fixing piece, and a first embedding groove for embedding the fixing piece is arranged between the first limit convex edge and the inner wall of the base.

As a further improvement of the utility model, the cover is provided with a second limit convex edge on the inner wall of one side of the fixing piece, and a second embedding groove for embedding the fixing piece is arranged between the second limit convex edge and the inner wall of the cover.

As a further improvement of the utility model, the upper end surface of the driving part and the side edge of the guide core form an inclined surface smaller than 90 degrees, and the connecting action arm is pressed above the inclined surface through deformation.

The beneficial effects of the utility model are as follows: through setting up the conducting piece into conductive elastomer, its stationary blade embedding base or lid, simple to operate is swift and elastic restoring force is good, and the conducting piece elasticity resets when pressing to make first moving switch on arm and second move switch on arm and PCB board, the conducting piece is pulled up by the drive division in the core that leads when loosening, first moving switch on arm and second move switch on arm and PCB board disconnection, and its contact stability is good in whole in-process, and switch on and disconnection action is accurate, leads core and the interlock effect of conducting the piece, makes this mechanical keyboard switch avoided using the condition that the structure that switches on directly stretches into in the PCB board in the conventional keyboard, thereby realizes light plug, easily changes, has satisfied different people's demand.

The foregoing is a summary of the utility model and is further defined by the following detailed description of the utility model when read in conjunction with the accompanying drawings.

Drawings

FIG. 1 is an overall schematic of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic diagram of a structure of a conductive member;

FIG. 5 is a top view of the base;

in the figure: 1. a base; 11. conducting the abdication hole; 12. a first limit rib; 13. a first embedded groove; 14. the fixing column can be inserted and pulled out; 15. positioning columns; 2. a cover; 3. a guide core; 31. a driving section; 311. an inclined surface; 4. a return spring; 5. a conductive member; 51. a fixing piece; 52. connecting an action arm; 53. a movable contact; 531. a first movable conduction arm; 532. a second movable conduction arm; 5311. a first movable conduction contact; 5322. a second movable conduction contact; 6. a PCB board; 61. a first stationary conductive contact; 62. and a second static conductive contact.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description of the specific embodiments of the present utility model is given with reference to the accompanying drawings and preferred embodiments.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 5, an embodiment of the utility model provides a pluggable mechanical keyboard switch, which comprises a base 1 detachably mounted on a PCB 6, a cover 2 fastened on the base 1, a guide core 3 disposed in the middle of the base 1 and penetrating the cover 2 upwards, a return spring 4 sleeved between the guide core 3 and the middle of the base 1, and a conducting piece 5 driven by the guide core 3 and triggering on and off, wherein a driving part 31 extends from one side of the guide core 3 towards the conducting piece 5, the conducting piece 5 is driven by the driving part 31, the conducting piece 5 is a conductive elastomer, and comprises a fixing piece 51 embedded on the side edge of the base 1 or the cover 2, a connecting action arm 52 integrally formed with the fixing piece 51, and a movable contact piece 53 integrally formed at one end of the connecting action arm 52 far away from the fixing piece 51; the movable contact 53 includes a first movable conducting arm 531 integrally formed on the connecting arm 52 and extending obliquely downward toward an end far away from the fixing piece 51, and a second movable conducting arm 532 integrally formed on the connecting arm 52 and extending obliquely downward toward an end far away from the fixing piece 51, and the PCB board 6 is provided with a first static conducting contact 61 and a second static conducting contact 62 corresponding to the first movable conducting arm 531 and the second movable conducting arm 532 one by one.

The first movable conducting arm 531 and the second movable conducting arm 532 are pressed against the upper side of the driving part 31 by deformation and lifted by the driving part 31, so that the first movable conducting arm 531 and the second movable conducting arm 532 generate downward elastic force, and when the conductive core 3 is pressed down, under the action of the elastic force, the first movable conducting arm 531 and the second movable conducting arm 532 respectively contact with the first static conducting contact 61 and the second static conducting contact 62 downward following the driving part 31, thereby realizing electric signal input; when the guide core 3 is reset under the action of the reset spring 4, the first movable conducting arm 531 and the second movable conducting arm 532 are lifted by the driving part 31, and the first movable conducting arm 531 and the second movable conducting arm 532 are disconnected with the first static conducting contact 61 and the second static conducting contact 62 respectively along with the driving part 31, so that electric signal input is completed. In the whole process, the mechanical keyboard switch has good contact stability, accurate switching on and off actions and the linkage action of the guide core 3 and the conducting piece 5, so that the mechanical keyboard switch avoids the condition that the conducting structure is directly stretched into the PCB 6 in a conventional keyboard, thereby realizing easy plug and pull, being easy to replace and meeting the demands of different people.

As shown in fig. 2 to 4, in a specific way of conducting the first movable conducting arm 531 and the second movable conducting arm 532 to the PCB 6, the first movable conducting arm 531 is bent in a direction away from the first stationary conducting contact 61 by less than 90 degrees to form a first movable conducting contact 5311, and is bent in a direction away from the first stationary conducting contact 61 by less than 90 degrees to form a second movable conducting contact 5322 in a direction away from the first stationary conducting contact 61 to form a second movable conducting contact 532 in a direction away from the first stationary conducting contact 62. The first movable conducting arm 531 and the second movable conducting arm 532 are fixedly connected with the driving part 31, and when the conductive core 3 is pressed downwards, the first movable conducting arm 531 and the second movable conducting arm 532 respectively contact with the first static conducting contact 61 and the second static conducting contact 62 along with the driving part 31 downwards, so that electric signal input is realized; when the guide core 3 is reset under the action of the reset spring 4, the first movable conducting arm 531 and the second movable conducting arm 532 are lifted by the driving part 31, and the first movable conducting arm 531 and the second movable conducting arm 532 are disconnected with the first static conducting contact 61 and the second static conducting contact 62 respectively along with the driving part 31, so that electric signal input is completed. In the whole process, the mechanical keyboard switch has good contact stability, accurate switching on and off actions and the linkage action of the guide core 3 and the conducting piece 5, so that the mechanical keyboard switch avoids the condition that the conducting structure is directly stretched into the PCB 6 in a conventional keyboard, thereby realizing easy plug and pull, being easy to replace and meeting the demands of different people.

For the specific connection manner of the first movable conducting arm 531 and the second movable conducting arm 532, as shown in fig. 2 to fig. 4, the tail ends of the first movable conducting arm 531 and the second movable conducting arm 532 are connected with each other, so that both ends can be electrically connected and conducted, the problem that a certain component is conducted independently and cannot work normally after the component is damaged is reduced, and the practicability and reliability of the mechanical keyboard switch are further improved.

For the specific way that the first movable conducting arm 531 and the second movable conducting arm 532 pass through the base 1 and are electrically connected with the PCB 6, as shown in fig. 2 and 5, a conducting yielding hole 11 is provided above the first static conducting contact 61 and the second static conducting contact 62 of the PCB 6 by the base 1, the yielding first movable conducting contact 5311 and the second movable conducting contact 5322 pass through and are respectively in contact with the first static conducting contact 61 and the second static conducting contact 62, and in the whole process, the contact stability of the mechanical keyboard switch is good, the conducting and disconnecting actions are accurate, and the situation that the conducting structure directly stretches into the PCB 6 in a conventional keyboard is avoided by virtue of the yielding of the conducting yielding hole 11, so that easy plugging and unplugging are realized, the mechanical keyboard switch is easy to replace, and the requirements of different people are met.

For the concrete mode that the base is fixedly installed on the PCB, as shown in fig. 1 to 3, at least one pluggable fixing column 14 is arranged on the lower end face of the base 1, the pluggable fixing column 14 is inserted into the PCB 6, so that the base 1 is stably installed on the PCB 6, when the mechanical keyboard switch needs to be replaced, only the pluggable fixing column 14 needs to be pulled out, and the pluggable detachable structure of the mechanical keyboard switch enables the mechanical keyboard switch to avoid the condition that the maintenance is difficult due to the conventional fixed welding mode in the market, and the mechanical keyboard switch is freely pluggable and easy to replace, thereby meeting the demands of different people. The symmetrically distributed structure ensures that the mounting stress of the base 1 is more uniform, the mounting is more stable, and the matching among all accessories is facilitated.

As shown in fig. 2 and 5, the base 1 is provided with a first limit rib 12 on the inner wall of one side of the fixing piece 51, and a first embedding groove 13 for embedding the fixing piece 51 is provided between the first limit rib 12 and the inner wall of the base 2. The first spacing bead 12 with the structure of base 1 inner wall with the centre gripping of stationary blade 51 makes stationary blade 51 more stably install on base 1, reduces the problem of shifting.

The fixing piece 51 may also be installed on the cover 2, specifically, the cover 2 is provided with a second limit rib 12 on an inner wall of one side of the fixing piece 51, a second embedded groove 13 for embedding the fixing piece 51 is provided between the second limit rib 12 and an inner wall of the cover 2, and the second limit rib 12 and the inner wall of the cover 2 will the fixing piece 51 clamps the structure, so that the fixing piece 51 is more stably installed on the cover 2, and displacement is reduced, and whether the fixing piece 51 is arranged on the base 1 or the cover 2 can be selected according to actual conditions, so that specific limitation is not made in the application.

In order to make the driving part 3131 lift the connection operation arm 52 more easily, as shown in fig. 2, the upper end surface of the driving part 31 forms an inclined surface 311 smaller than 90 degrees with the side of the guide core 3, and the connection operation arm 52 is pressed against the upper side of the inclined surface 311 by deformation. The inclination angle of the inclined surface 311 is the same as that of the connection action arm 52, so that the contact area between the driving part 31 and the connection action arm 52 is larger, the driving part 31 acts on the connection action arm 52, the connection action arm 52 is lifted, the disconnection between the conducting piece 5 and the PCB 6 is completed, the disconnection action of the mechanical keyboard switch is accurate, and the disconnection efficiency of the mechanical keyboard is improved.

In order to make the base 1 more stable when being mounted on a PCB, as shown in fig. 1 to 3, a positioning column 15 is provided in the middle of the lower end of the base 1, and the pluggable fixing columns 14 are matched on two sides of the positioning column 15, so that the base 1 is fixed in multiple directions, the base 1 is more stable when being mounted on the PCB 6, the cooperation between each component is facilitated, and the problem of displacement of the base 1 during use is avoided.

It should be noted that the pluggable mechanical keyboard switch disclosed by the utility model is an improvement on a specific structure, and is not an innovation point of the utility model for a specific control mode. The cover, guide core, return spring and other components involved in the utility model can be general standard components or components known to those skilled in the art, and the structure, principle and control mode are all known by those skilled in the art through technical manuals or through routine experimental methods.

The foregoing is merely a preferred embodiment of the present utility model, and the technical scope of the present utility model is not limited to the above embodiments, so that other structures using the same or similar technical features as those of the above embodiments of the present utility model are all within the scope of the present utility model.

Claims

1. A pluggable mechanical keyboard switch, characterized in that: the PCB comprises a base detachably arranged on a PCB, a cover buckled on the base, a guide core arranged in the middle of the base and penetrating through the cover upwards, a reset spring sleeved between the guide core and the middle of the base, and a conducting piece driven by the guide core and triggering on and off, wherein one side of the guide core, which faces the conducting piece, extends out of a driving part, the conducting piece is driven by the driving part and is made of a conductive elastomer, and the conducting piece comprises a fixing piece embedded on the side edge of the base or the cover, a connecting action arm integrally formed with the fixing piece, and a movable contact piece integrally formed with one end of the connecting action arm far away from the fixing piece; the movable contact comprises a first movable conducting arm and a second movable conducting arm, wherein the first movable conducting arm is integrally formed on the connecting action arm and extends downwards obliquely towards one end far away from the fixing piece, the second movable conducting arm is integrally formed on the connecting action arm and extends downwards obliquely towards one end far away from the fixing piece, and a first static conducting contact and a second static conducting contact which are in one-to-one correspondence with the first movable conducting arm and the second movable conducting arm are arranged on the PCB.

2. The pluggable mechanical keyboard switch of claim 1, wherein: the first movable conducting arm is bent in a direction smaller than 90 degrees in a direction away from the first static conducting contact at a position contacting the first static conducting contact to form a first movable conducting contact, and is bent in a direction smaller than 90 degrees in a direction away from the first static conducting contact at a position contacting the second static conducting contact to form a second movable conducting contact.

3. The pluggable mechanical keyboard switch of claim 1, wherein: the tail ends of the first movable conducting arm and the second movable conducting arm are connected with each other.

4. The pluggable mechanical keyboard switch of claim 2, wherein: the first movable conducting arm and the second movable conducting arm are lifted by the driving part by being pressed against the upper part of the driving part through deformation, so that the first movable conducting arm and the second movable conducting arm generate downward elasticity, and under the action of the elasticity, the first movable conducting arm and the second movable conducting arm are respectively contacted with the first static conducting contact and the second static conducting contact downwards along with the driving part under the action of the downward pressing of the guide core, and electric signal input is realized; when the guide core is reset under the action of the reset spring, the first movable conducting arm and the second movable conducting arm are lifted by the driving part, and the first movable conducting arm and the second movable conducting arm are respectively disconnected with the first static conducting contact and the second static conducting contact downwards along with the driving part, so that electric signal input is completed.

5. The pluggable mechanical keyboard switch of claim 1, wherein: the first movable conducting arm and the second movable conducting arm are fixedly connected with the driving part, and when the guide core is pressed downwards, the first movable conducting arm and the second movable conducting arm are respectively contacted with the first static conducting contact and the second static conducting contact downwards along with the driving part, so that electric signal input is realized; when the guide core is reset under the action of the reset spring, the first movable conducting arm and the second movable conducting arm are lifted by the driving part, and the first movable conducting arm and the second movable conducting arm are disconnected with the first static conducting contact and the second static conducting contact respectively along with the driving part, so that electric signal input is completed.

6. The pluggable mechanical keyboard switch of claim 2, wherein: the base is provided with a conduction yielding hole above the first static conduction contact and the second static conduction contact of the PCB, and the yielding first movable conduction contact and the second movable conduction contact pass through to be respectively contacted and conducted with the first static conduction contact and the second static conduction contact.

7. The pluggable mechanical keyboard switch of claim 1, wherein: at least one pluggable fixing column is arranged on the lower end face of the base.

8. The pluggable mechanical keyboard switch of claim 1, wherein: the base is provided with a first limit rib on the inner wall of one side of the fixing piece, and a first embedding groove for embedding the fixing piece is formed between the first limit rib and the inner wall of the base.

9. The pluggable mechanical keyboard switch of claim 1, wherein: the cover is provided with a second limit rib on the inner wall of one side of the fixing piece, and a second embedding groove for embedding the fixing piece is formed between the second limit rib and the inner wall of the cover.

10. The pluggable mechanical keyboard switch of claim 1, wherein: the upper end face of the driving part and the side edge of the guide core are inclined planes smaller than 90 degrees, and the connecting action arm is pressed above the inclined planes through deformation.