CN115249593A - Sounding mechanism applied to key switch - Google Patents
Sounding mechanism applied to key switch Download PDFInfo
- Publication number
- CN115249593A CN115249593A CN202110460067.3A CN202110460067A CN115249593A CN 115249593 A CN115249593 A CN 115249593A CN 202110460067 A CN202110460067 A CN 202110460067A CN 115249593 A CN115249593 A CN 115249593A
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- CN
- China
- Prior art keywords
- sounding
- ring
- guide
- key cap
- key 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
- H01H13/02—Details
- H01H13/04—Cases; Covers
-
- 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
- H01H13/02—Details
-
- 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
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- Electromechanical Clocks (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a sounding mechanism applied to a key switch, which comprises a key cap, a guide core arranged below the key cap, a sounding ring and a seat body, wherein the sounding ring and the seat body are respectively arranged below the key cap, at least one driving block acting on the sounding ring is arranged on the guide core, at least one abdicating groove matched with the driving block is formed on the sounding ring, at least one rotary guide bulge is formed on the sounding ring, and at least one rotary guide inclined plane acting on the rotary guide bulge is formed on the seat body. The sounding mechanism applied to the key switch provided by the invention realizes the pressing sounding effect, the matching among structures is tight, the action is smooth, quick, stable and accurate, the structure service life is long, the sounding effect is good, the sounding effect cannot be reduced after long-term use, and the user experience is improved.
Description
Technical Field
The invention relates to the field of key switches, in particular to a sounding mechanism applied to a key switch.
Background
At present, a sounding key switch widely used in the market adopts a torsion spring to bounce and knock a base or an upper cover of the key switch to make a sound. However, after long-time use, the number of times of bouncing of the torsion spring reaches the upper limit, which causes the torsion spring to deform and cannot bounce again, namely, the service life of the torsion spring is short, which causes the sounding effect to be obviously reduced.
Disclosure of Invention
In view of the above disadvantages, an object of the present invention is to provide a sounding mechanism applied to a key switch, which realizes a pressing sounding effect, and has the advantages of tight matching between structures, smooth, fast, stable and accurate actions, long structure life, good sounding effect, long-term use, no reduction in sounding effect, and improved user experience.
The technical scheme adopted by the invention for achieving the purpose is as follows:
the utility model provides a be applied to key switch's vocal mechanism, includes a key cap, and set up in a core of leading of key cap below, its characterized in that, still including setting up respectively in a vocal ring and a pedestal of key cap below, wherein, be provided with on this core and act on at least one drive piece of vocal ring, be formed with on this vocal ring with drive piece assorted at least one groove of stepping down, and be formed with an at least rotation direction arch on this vocal ring, be formed with on this pedestal and be used in a bellied at least rotation direction inclined plane of rotation direction.
As a further improvement of the invention, the sounding ring is arranged at the periphery of the guide core, the abdicating groove is formed on the bottom surface of the sounding ring, and the driving block on the guide core extends to the lower part of the sounding ring.
As a further improvement of the present invention, at least one inclined rotation guide hole for the insertion and movement of the rotation guide protrusion is formed on the base, and the inclined rotation guide surface is formed on an inner wall of the inclined rotation guide hole.
As a further improvement of the present invention, the base includes a cover plate connected to the keycap, and a guide base connected to the cover plate and surrounding the sounding ring, and the inclined rotary guide hole is formed on the guide base.
As a further improvement of the invention, a first reset elastic piece is arranged between the keycap and the guide core.
As a further improvement of the invention, a mounting seat is convexly arranged on the lower surface of the keycap downwards, a mounting seat movable cavity is formed in the mounting seat, and at least one longitudinal guide hole communicated with the mounting seat movable cavity is formed on the side edge of the mounting seat; the guide core is movably inserted into the movable cavity of the mounting seat from the lower end of the mounting seat, and at least one guide lug movably clamped in the longitudinal guide hole is convexly arranged on the side edge of the guide core; a guide core movable cavity is concavely arranged on the upper end surface of the guide core, the first reset elastic piece is a first spring, and the first spring is arranged in the installation seat movable cavity and the guide core movable cavity; the driving block is arranged on the outer side edge of the guide core and is positioned below the mounting seat.
As a further improvement of the invention, a second reset elastic piece is arranged between the sounding ring and the keycap.
As a further improvement of the invention, a supporting step is convexly arranged on the inner side of the sounding ring, and the second return elastic member is a second spring which is positioned between the keycap and the supporting step.
As a further improvement of the invention, the base body and the keycap are connected into a whole to form a split structure, or the base body and the keycap are in a whole to form a structure.
As a further improvement of the invention, the number of the driving blocks is two, and the driving blocks are oppositely arranged on the side edge of the guide core; the number of the abdicating grooves is two, and the abdicating grooves are oppositely arranged on the bottom surface of the sounding ring; the rotary guide bulges are two in number and are oppositely arranged on the outer side edge of the sounding ring; the number of the rotary guide inclined holes is two, and the rotary guide inclined holes are oppositely arranged on the side edge of the seat body.
The beneficial effects of the invention are as follows: the key cap, lead core, sound production ring and pedestal structure through having special structural design combine together, realize pressing sound production effect, and the cooperation is inseparable between each structure, and the action is smooth and easy, quick, steady, accurate, and long structure life, sound production effect is good, long-term the use, and sound production effect can not reduce, promotes user experience.
The above is an overview of the technical scheme of the invention, and the invention is further explained with reference to the accompanying drawings and the detailed description below.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a partial schematic structural view of the present invention;
FIG. 5 is a schematic view of the structure of the key cap and the guide core of the present invention;
FIG. 6 is a schematic view of the sounding ring according to the present invention;
fig. 7 is a schematic view of the combination structure of the sounding ring and the base in the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments of the present invention is provided with the accompanying drawings and the preferred embodiments.
Referring to fig. 1 to 4, an embodiment of the present invention provides a sounding mechanism applied to a key switch, including a key cap 1, a guide core 2 disposed below the key cap 1, and a sounding ring 3 and a base 4 respectively disposed below the key cap 1, wherein the guide core 2 is provided with at least one driving block 21 acting on the sounding ring 3, the sounding ring 3 is formed with at least one receding groove 31 matching with the driving block 21, the sounding ring 3 is formed with at least one rotation guide protrusion 32, and the base 4 is formed with at least one rotation guide inclined surface 40 acting on the rotation guide protrusion 32.
In a state where the key top 1 is not pressed, that is, in a stationary state, the driving piece 21 of the guide core 2 is displaced from the recess groove 31 of the sounding ring 3, as shown in fig. 2.
When the key cap 1 is pressed downwards, the key cap 1 moves downwards, and the guide core 2 moves upwards relative to the key cap 1; when the guide core 2 moves upwards relative to the keycap 1, the sounding ring 3 is driven to move upwards relative to the keycap 1 through the driving block 21; meanwhile, the base 4 moves downwards along with the key cap 1, and after the sounding ring 3 moves upwards for a certain stroke relative to the key cap 1, the rotary guide bulge 32 on the sounding ring 3 contacts with the rotary guide inclined plane 40 on the base 4, and triggers the sounding ring 3 to rotate under the guide effect of the rotary guide inclined plane 40; after the sounding ring 3 rotates, the sounding ring can be suddenly separated from the driving block 21, and the sounding ring 3 rotates to the abdicating groove 31 to correspond to the driving block 21, so that the driving block 21 releases the acting force on the sounding ring 3, and the sounding ring 3 makes a downward impact to generate sound, specifically, the rotating guide protrusion 32 of the sounding ring 3 impacts the seat body 4 and/or the abdicating groove 31 of the sounding ring 3 and the driving block 21 make a mutual impact to generate sound, thereby achieving the purpose of pressing and generating sound.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 4, the sounding ring 3 is annularly disposed on the periphery of the guide core 2, the receding groove 31 is formed on the bottom surface of the sounding ring 3, and the driving block 21 on the guide core 2 extends to the lower side of the sounding ring 3. By the special position setting of groove of stepping down 31 and drive piece 21, as long as sound ring 3 takes place to rotate, can rotate to groove of stepping down 31 and drive piece 21 and correspond, from this, by the groove of stepping down 31 provides the space of stepping down, do benefit to sound ring 3 and can break away from drive piece 21 in the twinkling of an eye, realize the purpose that downward striking makes sound.
As for the position design of the rotation guiding inclined surface 40, as shown in fig. 4 and fig. 7, in this embodiment, at least one rotation guiding inclined hole 41 for the rotation guiding protrusion 32 to be inserted and moved is formed on the seat body 4, and the rotation guiding inclined surface 40 is formed on the inner wall of the rotation guiding inclined hole 41. The structural design of the rotary guide inclined hole 41 with the rotary guide inclined surface 40 provides a motion track for the rotary guide protrusion 32, when the sounding ring 3 moves upwards relative to the seat body 4, the rotary guide protrusion 32 moves in the rotary guide inclined hole 41, and under the guide effect of the rotary guide inclined surface 40, the rotary guide protrusion 32 drives the sounding ring 3 to generate transverse displacement, namely, a rotary motion occurs.
In the present embodiment, as shown in fig. 7, the base 4 includes a cover plate 42 connected to the key cap 1, and a guide base 43 connected to the cover plate 42 and surrounding the sounding ring 3, and the rotary guide inclined hole 41 is formed on the guide base 43. Meanwhile, the guide seat 43 is arranged around the periphery of the upper part of the sounding ring 3.
In order to provide the keycap 1 and/or the guide core 2 with elastic restoring force, the present embodiment is provided with a first restoring elastic element 5 between the keycap 1 and the guide core 2.
As for the connection relationship between the guide core 2 and the key cap 1, as shown in fig. 1 and fig. 5, in this embodiment, an installation seat 11 is convexly provided on the lower surface of the key cap 1, an installation seat movable cavity 111 is formed in the installation seat 11, and at least one longitudinal guide hole 112 communicating with the installation seat movable cavity 111 is formed on the side edge of the installation seat 11; the guide core 2 is movably inserted into the movable cavity 111 of the mounting base from the lower end of the mounting base 11, and at least one guide projection 22 movably inserted into the longitudinal guide hole 112 is convexly arranged on the side edge of the guide core 2. Preferably, the number of the longitudinal guide holes 112 and the number of the guide protrusions 22 are 2, and the longitudinal guide holes and the guide protrusions are arranged in a one-to-one correspondence. When the key cap 1 is pressed downwards, the guide convex block 22 on the guide core 2 vertically slides in the longitudinal guide hole 112 of the mounting seat 11, so that a good guide effect is achieved, and the linear stability of relative motion between the key cap 1 and the guide core 2 is improved.
To the installation of the first elastic restoring element 5, in this embodiment, the upper end surface of the guide core 2 is provided with a guide core movable cavity 23 in a downward concave manner, and the first elastic restoring element 5 is a first spring 5', and the first spring 5' is arranged in the installation seat movable cavity 111 and the guide core movable cavity 23. When the key cap 1 is pressed downwards, the guide core 2 interacts with the key cap 1, so that the first spring 5' is compressed; when the pressing of the key cap 1 is released, the elastic restoring force is provided for the restoration of the key cap 1 and/or the guide core 2 by the elastic restoring force of the first spring 5', so that the key cap 1 and/or the guide core 2 are restored.
In order to facilitate the action of the driving block 21 on the outer sounding ring 3, the driving block 21 is disposed on the outer side of the guide core 2 and below the mounting seat 11, as shown in fig. 5.
In order to provide elastic restoring force for the sounding ring 3 so that the sounding ring 3 can strike downwards to make a sound, a second elastic resetting element 6 is disposed between the sounding ring 3 and the key cap 1. Specifically, as shown in fig. 6, a supporting step 33 is convexly provided on the inner side of the sounding ring 3, and the second elastic return element 6 is a second spring 6', and the second spring 6' is located between the keycap 1 and the supporting step 33. When the driving block 21 on the guide core 2 drives the sounding ring 3 to move upwards relative to the key cap 1, the sounding ring 3 interacts with the key cap 1, so that the second spring 6' is compressed; after the sounding ring 3 takes place the rotation action, when driving piece 21 release the effort to sounding ring 3, under the elastic restoring force effect of second spring 6', for sounding ring 3 downward quick action in the twinkling of an eye under, impel sounding ring 3 downward striking to make a sound, increase striking dynamics and speed to do benefit to and improve striking sound.
For the mechanism design of the seat body 4 and the key cap 1, in this embodiment, the seat body 4 and the key cap 1 may be a split structure connected as a whole, as shown in fig. 2, the seat body 4 is clamped on the lower surface of the key cap 1. Of course, the base 4 and the key cap 1 may also be an integrated molding structure, that is, the base 4 and the key cap 1 are already molded into a whole during molding.
In this embodiment, in order to make each structure move more smoothly, quickly, and accurately, so as to facilitate the realization of the sound generating function, preferably, the number of the driving blocks 21 is two, and the driving blocks are oppositely disposed on the side edge of the guide core 2, so that the driving blocks 21 can exert an upward action on the sound generating ring 3 from the opposite two sides, so as to facilitate the driving of the sound generating ring 3 to move upward stably relative to the keycap 1; correspondingly, the quantity of the groove 31 of stepping down is two, and sets up relatively on the sound production ring 3 bottom surface, and the quantity of the groove 31 of stepping down is the same with the quantity that drives piece 21, takes place rotatory back at sound production ring 3, by stepping down groove 31 for driving piece 21 and providing the space of stepping down for drive piece 21 releases the effort to sound production ring 3. The number of the rotary guide protrusions 32 is two, and the rotary guide protrusions are oppositely arranged on the outer side edge of the sounding ring 3; simultaneously, the quantity of rotation direction inclined hole 41 is two, and sets up on the pedestal 4 side relatively, and the quantity of rotation direction inclined hole 41 is the same with the protruding 32 quantity of rotation direction, and the protruding 32 of rotation direction of sound ring 3 can be followed relative both sides and the effect takes place with rotation direction inclined hole 41, realizes the rotation of sound ring 3, does benefit to the accuracy and the stability that improve sound ring 3 and take place the rotation action.
Of course, the number of the structures can be increased or decreased according to specific needs.
The sound production mechanism of the embodiment is mainly applied to key switch products, and the purpose of pressing sound production is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by using the same or similar technical features as the above-described embodiments of the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a be applied to key switch's vocal mechanism, includes a key cap, and set up in a core of leading of key cap below, its characterized in that, still including setting up respectively in a vocal ring and a pedestal of key cap below, wherein, be provided with on this core and act on at least one drive piece of vocal ring, be formed with on this vocal ring with drive piece assorted at least one groove of stepping down, and be formed with an at least rotation direction arch on this vocal ring, be formed with on this pedestal and be used in a bellied at least rotation direction inclined plane of rotation direction.
2. The sounding mechanism applied to the key switch according to claim 1, wherein the sounding ring is annularly disposed on the periphery of the guide core, the offset groove is formed on the bottom surface of the sounding ring, and the driving block on the guide core extends to the lower portion of the sounding ring.
3. The sounding mechanism applied to the key switch according to claim 1, wherein at least one inclined hole for the rotary guide protrusion to insert and move is formed on the base, and the inclined surface is formed on an inner wall of the inclined hole.
4. The sounding mechanism as claimed in claim 3, wherein the base includes a cover plate connected to the key cap, and a guiding seat connected to the cover plate and surrounding the sounding ring, and the inclined hole is formed on the guiding seat.
5. The sounding mechanism applied to the key switch according to any one of claims 1 to 4, wherein a first return elastic member is disposed between the key cap and the guide core.
6. The sounding mechanism applied to the key switch according to claim 5, wherein a mounting seat is protruded downwards from the lower surface of the key cap, a mounting seat moving cavity is formed in the mounting seat, and at least one longitudinal guide hole communicated to the mounting seat moving cavity is formed on the side edge of the mounting seat; the guide core is movably inserted into the movable cavity of the mounting seat from the lower end of the mounting seat, and at least one guide lug movably clamped in the longitudinal guide hole is convexly arranged on the side edge of the guide core; a guide core movable cavity is concavely arranged on the upper end surface of the guide core, the first reset elastic piece is a first spring, and the first spring is arranged in the mounting seat movable cavity and the guide core movable cavity; the driving block is arranged on the outer side edge of the guide core and is located below the mounting seat.
7. A sounding mechanism for a key switch according to any of claims 1 to 4, wherein a second resilient return member is provided between the sounding ring and the key cap.
8. The sounding mechanism applied to the key switch as claimed in claim 7, wherein a supporting step is provided at the inner side of the sounding ring, and the second elastic return member is a second spring, and the second spring is located between the key cap and the supporting step.
9. The sounding mechanism applied to the key switch according to any one of claims 1 to 4, wherein the base and the key cap are a split structure integrally connected to each other, or the base and the key cap are an integrally formed structure.
10. The sounding mechanism applied to the key switch according to claim 3, wherein the number of the driving blocks is two, and the driving blocks are oppositely arranged on the side edge of the guide core; the number of the abdicating grooves is two, and the abdicating grooves are oppositely arranged on the bottom surface of the sounding ring; the rotary guide bulges are two in number and are oppositely arranged on the outer side edge of the sounding ring; the number of the rotary guide inclined holes is two, and the rotary guide inclined holes are oppositely arranged on the side edge of the seat body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460067.3A CN115249593A (en) | 2021-04-27 | 2021-04-27 | Sounding mechanism applied to key switch |
| PCT/CN2022/080870 WO2022227896A1 (en) | 2021-04-27 | 2022-03-15 | Sound generating mechanism applied to key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460067.3A CN115249593A (en) | 2021-04-27 | 2021-04-27 | Sounding mechanism applied to key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115249593A true CN115249593A (en) | 2022-10-28 |
Family
ID=83695793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110460067.3A Pending CN115249593A (en) | 2021-04-27 | 2021-04-27 | Sounding mechanism applied to key switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115249593A (en) |
| WO (1) | WO2022227896A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206584847U (en) * | 2017-03-25 | 2017-10-24 | 东莞市集贤电子有限公司 | The vocal structure of keyboard switch |
| US10930451B2 (en) * | 2018-06-22 | 2021-02-23 | Darfon Electronics Corp. | Keyswitch with adjustable tactile feedback |
| CN215377263U (en) * | 2021-04-27 | 2021-12-31 | 东莞市凯华电子有限公司 | Sounding mechanism applied to key switch |
-
2021
- 2021-04-27 CN CN202110460067.3A patent/CN115249593A/en active Pending
-
2022
- 2022-03-15 WO PCT/CN2022/080870 patent/WO2022227896A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022227896A1 (en) | 2022-11-03 |
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