CN116580986A - Keyboard silence structure of plastic film type keyboard - Google Patents

Keyboard silence structure of plastic film type keyboard Download PDF

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Publication number
CN116580986A
CN116580986A CN202310586414.6A CN202310586414A CN116580986A CN 116580986 A CN116580986 A CN 116580986A CN 202310586414 A CN202310586414 A CN 202310586414A CN 116580986 A CN116580986 A CN 116580986A
Authority
CN
China
Prior art keywords
keyboard
square core
plastic film
buckle
key cap
Prior art date
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.)
Pending
Application number
CN202310586414.6A
Other languages
Chinese (zh)
Inventor
樊友亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Weiji Intelligent Technology Co ltd
Original Assignee
Dongguan Weiji Intelligent Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Weiji Intelligent Technology Co ltd filed Critical Dongguan Weiji Intelligent Technology Co ltd
Priority to CN202310586414.6A priority Critical patent/CN116580986A/en
Publication of CN116580986A publication Critical patent/CN116580986A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01H13/7073—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 characterised by springs, e.g. Euler springs
    • 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
    • H01H13/86—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 characterised by the casing, e.g. sealed casings or casings reducible in size
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Push-Button Switches (AREA)

Abstract

The invention provides a mute structure of a plastic film keyboard, which comprises a keycap and a keyhole seat, wherein the keycap is spliced with the keyhole seat through a mute connecting mechanism, the mute connecting mechanism comprises a square core fixedly connected to the bottom of the keycap, and both sides of the square core are respectively provided with a buffer spring for reducing the flicking speed and a limiting and falling-preventing buckle for preventing falling of the keycap.

Description

Keyboard silence structure of plastic film type keyboard
Technical Field
The invention belongs to the technical field of keyboard accessories, and particularly relates to a keyboard mute structure of a plastic film type keyboard.
Background
The keyboard is a main input device on a computer, the existing keyboard is mainly divided into a mechanical keyboard and a membrane keyboard, wherein the membrane keyboard is one example of the category of membrane switches, the keys are more and orderly arranged, and the membrane keyboard is commonly called as a membrane keyboard by people, so that in order to reduce the production cost, the existing membrane keyboard uses a shell made of plastic more, so that the membrane keyboard is lighter, and when the existing split type plastic membrane keyboard with a built-in guide post is used, larger noise can be generated due to shaking of the guide post, and the quality and the sense of using the keyboard can be reduced intangibly.
Disclosure of Invention
The invention aims to provide a mute structure of a plastic film keyboard, which aims to solve the problems pointed out in the background technology.
In order to achieve the above purpose, the technical scheme of the invention provides a mute structure of a plastic film keyboard, which comprises a keycap and a keyhole seat, wherein the keycap is spliced with the keyhole seat through a mute connecting mechanism, the mute connecting mechanism comprises a square core fixedly connected to the bottom of the keycap, both sides of the square core are respectively provided with a buffering elastic sheet for slowing down the elastic speed and a limiting anti-falling buckle for preventing the keycap from falling off, the middle part of the keyhole seat is provided with an anti-falling hanging table matched with the limiting anti-falling buckle, the inner bottom end of a hole of the keyhole seat is provided with silica gel, the bottom end of the keyhole seat is provided with a circular rib for fixing the silica gel, the bottom of the silica gel is provided with a base arranged in the keyboard shell, and a conductive film is arranged between the base and the silica gel.
As a preferred embodiment of the present invention: the utility model discloses a key cap anti-drop device, including square core, key cap, limiting stop buckle, protruding chamfer portion and the surface form sinking surface, the bottom of square core is pegged graft in the downthehole of key hole seat, limiting stop buckle's outside is through the spacing protruding slip joint that is equipped with in the anti-drop hanging platform, the both sides of square core all are equipped with the buffering shell fragment that is used for the bullet speed to slow down and are used for the limiting stop buckle of key cap anticreep.
As a preferred embodiment of the present invention: the outside of the buffering shell fragment that the bullet speed slows down is equipped with the inclined plane arch.
As a preferred embodiment of the present invention: the buffering shell fragment and the spacing buckle that only takes off all with square core integral type injection moulding, buffering shell fragment and the outside bottom of spacing buckle that only takes off all are equipped with chamfer portion, it has the fluting to reserve between buffering shell fragment and the spacing buckle that only takes off, buffering shell fragment and the inboard of spacing buckle that only takes off all are equipped with the support and help.
As a preferred embodiment of the present invention: the surface of the key cap is provided with a concave downward finger groove.
As a preferred embodiment of the present invention: the bottom of the hole body of the key hole seat is arranged into an inverted funnel shape.
As a preferred embodiment of the present invention: the number of the anti-falling hanging tables is four, and the four anti-falling hanging tables and the four circular ribs are arranged at equal intervals.
Compared with the prior art, the invention has the beneficial effects that:
1) The buffer elastic sheet for reducing the spring speed and the limiting anti-falling buckle for preventing the keycap from falling are arranged side by side, two groups of structures are symmetrically designed on one product to form a mute connecting mechanism, noise generated when the keyboard is used for operation can be reduced through the mute connecting mechanism, friction force can be generated on the inner wall of the keyhole seat when the keycap is sprung to a certain position due to the buffer elastic sheet, the friction force can be increased along with the increase of the spring amplitude due to the structural design of the buffer elastic sheet until the keycap stops to be sprung, and therefore sound generated by hard contact between the limiting anti-falling buckle and the keyhole seat anti-falling hanging table is eliminated, and the mute of the film keyboard in the use process is realized;
3) The square core body is processed by adopting an integral injection molding process, so that the structural complexity of the key cap is reduced, the square core body can be tightly matched with the hole body of the key hole seat, noise generated by hard contact and shaking of the key cap in the pressing process is effectively prevented, the mute of the keyboard is realized, and the quality and the using feel of the keyboard are improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the present invention;
FIG. 3 is a schematic view of a mute connection mechanism according to the present invention;
FIG. 4 is a schematic diagram of a key hole seat according to the present invention.
In the figure: 1. a key cap; 11. pressing down the finger groove; 2. a key hole seat; 21. anti-drop hanging table; 22. circular ribs; 3. a mute connecting mechanism; 31. a square core; 311. rounding off parts; 312. a sinking surface 312; 32. a buffer spring plate; 321. a bevel protrusion; 33. limiting and disengaging-stopping buckle; 331. a limit protrusion; 34. a chamfering part; 35. slotting; 36. support assistance; 4. silica gel; 5. a base; 6. a conductive film.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a plastic film keyboard's keyboard silence structure, including key cap 1 and key hole seat 2, key cap 1 is pegged graft with key hole seat 2 through the silence coupling mechanism 3 that set up, silence coupling mechanism 3 includes the square core 31 of fixed connection in key cap 1 bottom, the both sides of square core 31 all are equipped with the buffering shell fragment 32 that is used for the bullet speed to slow down and the spacing anti-disengaging buckle 33 that is used for key cap 1 anticreep, the anti-disengaging hanging table 21 of cooperation spacing anti-disengaging buckle 33 has been seted up at the middle part of key hole seat 2, silica gel 4 has been placed to the downthehole bottom of key hole seat 2, the bottom of key hole seat 2 is provided with the circular rib 22 of fixed silica gel 4, the bottom of silica gel 4 is provided with the base 5 of arranging in the keyboard casing inside, it is equipped with conductive film 6 to fill up between base 5 and the silica gel 4.
The two sides of the square core 31 are respectively provided with a buffer spring plate 32 for reducing the spring speed and a limiting anti-drop buckle 33 for preventing the keycap 1 from dropping, four switching positions of the square core 31 are respectively provided with a convex rounding part 311 and form a sinking surface 312 on the surface, the bottom of the square core 31 is inserted into a hole of the key hole seat 2, and the outer side of the limiting anti-drop buckle 33 is slidably clamped in the anti-drop hanging table 21 through a limiting protrusion 331;
specifically, wherein key cap 1 and silence coupling mechanism 3 can integrative injection moulding processing, when guaranteeing key cap 1 and silence coupling mechanism 3 structural strength, can also reduce the manufacturing cost of keyboard, insert square core 31 in the keyhole of keyhole seat 2 after, square core 31 and keyhole seat 2 size looks adaptation, effectively prevent square core 31 and produce the noise because of taking place to rock, the silence of increase keyboard in-process of using, the spacing anti-drop buckle 33 cooperation anti-drop hanging table 21 that sets up can prevent square core 31 and keyhole seat 2 from taking place to break away, avoid key cap 1 to take place to drop simultaneously, when key cap 1 drives square core 31 and moves down, utilize the soft characteristic of silica gel 4 to eliminate the sound that square core 31 and conductive film 6 collide and send, further increase the silence of keyboard.
The sinking surface 312 can greatly reduce the contact area between the square core 31 and the key hole seat 2, so that the key cap 1 can be pressed more smoothly, and the quality and the use feeling of the keyboard can be improved.
When a user loosens the keycap 1, the buffer elastic sheet 32 generates friction force on the inner wall of the key hole seat 2 when the keycap 1 is sprung to a certain position, and the friction force is increased along with the increase of the sprung amplitude and simultaneously becomes larger until the keycap 1 stops to be sprung, so that the noise generated by hard contact between the limit anti-falling buckle 33 and the anti-falling hanging table 21 of the key hole seat 2 is eliminated, the silence of the film keyboard in the use process is realized, and the four circular ribs 22 arranged on the key hole seat 2 can be inserted and positioned with the key position grooves matched in the keyboard shell, so that the key hole seat 2 is prevented from autorotation.
The surface of the keycap 1 is provided with a concave downward finger groove 11.
Specifically, through the arrangement of the downward pressing finger groove 11, a user can press the key cap 1 with fingers more comfortably and better accords with the ergonomic design.
In this embodiment: the bottom of the keyhole body of the keyhole seat 2 is designed into an inverted funnel shape.
Specifically, by setting the bottom of the key hole seat 2 to be in an inverted funnel shape, the top arc surface of the silica gel 4 is matched with the bottom of the key hole seat 2, and the key hole seat 2 can be prevented from compressing and deforming the silica gel 4.
In this embodiment: the number of the anti-falling hanging tables 21 is four, and the four anti-falling hanging tables 21 and the four circular ribs 22 are arranged at equal intervals.
Specifically, through four anticreep hanging tables 21 that set up can make square core 31 can be fast 360 degrees random assembly into the keyhole of keyhole seat 2 after taking 90 degrees as unit plane rotation, increase the convenience when silence coupling mechanism 3 and keyhole seat 2 are assembled.
In this embodiment: the bottom of the square core 31 is inserted into the hole of the key hole seat 2, and the outer side of the limiting and anti-falling buckle 33 is slidably clamped in the anti-falling hanging table 21 through a limiting protrusion 331.
Specifically, by utilizing the sliding fit of the limiting protrusion 331 and the anti-drop hanging table 21, the square core 31 can be prevented from accidentally sliding out of the keyhole seat 2 while the square core 31 is ensured to be lifted normally.
In this embodiment: the outer side of the buffering elastic sheet 32 with the spring speed reduced is provided with an inclined surface protrusion 321.
Specifically, through the inclined plane protruding 321 that sets up, the inclined plane protruding 321 takes place deformation when square core 31 moves down, produces elastic force, when key cap 1 resets, utilize the elastic force of inclined plane protruding 321 also can make square core 31 move up, simultaneously inclined plane protruding 321 also can provide frictional force when key cap 1 rises to the highest position in the recovery process, make it stop to bounce, moreover the inclined plane protruding 321 that buffer shell fragment 32 set up can increase mechanical friction along with the spring amplitude of key cap in direct proportion for key cap 1 can accurate quick stop reset.
In this embodiment: the buffering shrapnel 32 and the limiting and anti-falling buckle 33 are integrally injection molded with the square core body 31, chamfer parts 34 are arranged at the bottoms of the outer sides of the buffering shrapnel 32 and the limiting and anti-falling buckle 33, grooves 35 are reserved between the buffering shrapnel 32 and the limiting and anti-falling buckle 33, and supporting aids 36 are arranged on the inner sides of the buffering shrapnel 32 and the limiting and anti-falling buckle 33.
Specifically, through adopting key cap 1 and silence coupling mechanism 3 of integrative injection moulding processing, when simplifying keyboard assembly spare, can also effectively reduce the manufacturing cost of keyboard to compare in the key cap of split type guide post structure, can also effectively reduce the production of keyboard in-process noise, and the chamfer portion 34 that sets up can effectively reduce square core 31 and the assembly degree of difficulty of keyhole seat 2, and the fluting 35 cooperation that sets up supports 36 and helps 36 to adjust buffering shell fragment 32 and produce frictional force to the inner wall of keyhole seat 2.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a plastic film keyboard's keyboard silence structure, includes key cap (1) and keyhole seat (2), its characterized in that: the key cap (1) is spliced with the key hole seat (2) through a mute connection mechanism (3) which is arranged, the mute connection mechanism (3) comprises a square core body (31) which is fixedly connected to the bottom of the key cap (1), buffer elastic pieces (32) used for slowing down the spring speed and limiting anti-falling buckles (33) used for preventing the key cap (1) from falling are arranged on two sides of the square core body (31), an anti-falling hanging table (21) matched with the limiting anti-falling buckles (33) is arranged in the middle of the key hole seat (2), silica gel (4) is arranged at the inner bottom end of a hole of the key hole seat (2), and round ribs (22) used for fixing the silica gel are arranged at the bottom end of the key hole seat (2);
the utility model discloses a key cap, including square core (31) and key cap (1), square core (31) both sides all are equipped with buffer shell fragment (32) that are used for the bullet speed to slow down and are used for spacing anti-disengaging buckle (33) of key cap (1) anticreep, four switching departments of square core (31) all are equipped with bellied chamfer portion (311) and form face (312) that sink in the surface, peg graft in the downthehole of key hole seat (2) in the bottom of square core (31), the outside of spacing anti-disengaging buckle (33) is through spacing protruding (331) slip joint that is equipped with in anticreep mount (21).
2. The keyboard mute structure of a plastic film keyboard as claimed in claim 1, wherein: the outside of the buffering shrapnel (32) with the slow down spring speed is provided with an inclined plane bulge (321).
3. The keyboard mute structure of a plastic film keyboard as claimed in claim 1, wherein: buffering shell fragment (32) and spacing end are taken off buckle (33) all with square core (31) integral type injection moulding, buffering shell fragment (32) and the outside bottom of spacing end are taken off buckle (33) all are equipped with chamfer portion (34), reserve fluting (35) between buffering shell fragment (32) and the spacing end are taken off buckle (33), the inboard of buffering shell fragment (32) and spacing end are taken off buckle (33) all is equipped with support helping (36).
4. The keyboard mute structure of a plastic film keyboard as claimed in claim 1, wherein: the surface of the key cap (1) is provided with a concave downward finger groove (11).
5. The keyboard mute structure of a plastic film keyboard as claimed in claim 1, wherein: the bottom of the hole body of the key hole seat (2) is arranged into an inverted funnel shape.
6. The keyboard mute structure of a plastic film keyboard as claimed in claim 1, wherein: the number of the anti-falling hanging tables (21) is four, and the four anti-falling hanging tables (21) and the four circular ribs (22) are arranged at equal intervals.
7. The keyboard mute structure of a plastic film keyboard as claimed in claim 1, wherein: the bottom of silica gel (4) is provided with base (5) of arranging in inside the keyboard casing, pad is equipped with conductive film (6) between base (5) and silica gel (4).
CN202310586414.6A 2023-05-24 2023-05-24 Keyboard silence structure of plastic film type keyboard Pending CN116580986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310586414.6A CN116580986A (en) 2023-05-24 2023-05-24 Keyboard silence structure of plastic film type keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310586414.6A CN116580986A (en) 2023-05-24 2023-05-24 Keyboard silence structure of plastic film type keyboard

Publications (1)

Publication Number Publication Date
CN116580986A true CN116580986A (en) 2023-08-11

Family

ID=87533773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310586414.6A Pending CN116580986A (en) 2023-05-24 2023-05-24 Keyboard silence structure of plastic film type keyboard

Country Status (1)

Country Link
CN (1) CN116580986A (en)

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