CN108305805A - Assembled keyboard button is connected with magnet for magnetic electronic element - Google Patents

Assembled keyboard button is connected with magnet for magnetic electronic element Download PDF

Info

Publication number
CN108305805A
CN108305805A CN201810134847.7A CN201810134847A CN108305805A CN 108305805 A CN108305805 A CN 108305805A CN 201810134847 A CN201810134847 A CN 201810134847A CN 108305805 A CN108305805 A CN 108305805A
Authority
CN
China
Prior art keywords
magnet
button
slot
pedestal
elastic
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
CN201810134847.7A
Other languages
Chinese (zh)
Inventor
杨洪
Original Assignee
杨洪
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
Priority to CN2017219250421 priority Critical
Priority to CN201721925042 priority
Application filed by 杨洪 filed Critical 杨洪
Publication of CN108305805A publication Critical patent/CN108305805A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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
    • H01H13/705Switches 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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
    • H01H13/705Switches 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
    • H01H13/7065Switches 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
    • H01H13/7073Switches 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00Tactile feedback
    • H01H2215/03Sound

Abstract

The present invention relates to a kind of magnetic electronic elements, and Assembled keyboard button, including pedestal to be connected with magnet, and the top of the pedestal, which fastens, upper cover, and the top of the upper cover is equipped with the first opening;The pedestal and upper cover form accommodating chamber after fastening, and are provided with press device in the accommodating chamber, the top of the press device is exposed to the first opening of top of the upper cover, and the side of the press device is provided with magnet;The bottom of the pedestal is provided with pcb board, and magnetic electronic element is provided on the pcb board, which is located at the underface of the magnet.The present invention is changed conventional mechanical axis contact conducting and optoelectronic switch using contactless magnetic conducting and is controlled switch conduction with light and disconnected, so that keyboard will not be because contacting aging or oxidation due to loss of function, it is not also influenced simultaneously by lighting environment, the service life of prolonged mechanical keyboard.

Description

Assembled keyboard button is connected with magnet for magnetic electronic element
Technical field
The present invention relates to keyboard technical fields, and in particular to combined type key is connected with magnet for a kind of magnetic electronic element Disk button.
Background technology
A kind of form of the mechanical keyboard as keyboard, because its unique sense of touch is liked by computer amateur, but by In mechanical keyboard be by mechanical axis come trigger switch, during constantly tapping keyboard, mechanical axis also can long-term intermittent by Power is easy to cause the fatigue damage of button so that the service life of mechanical keyboard is generally relatively low.
Invention content
For the defects in the prior art, the technical problem to be solved in the present invention is to provide a kind of magnetic electronic element and magnetic Assembled keyboard button is connected in iron, changes conventional mechanical axis contact conducting and light using contactless magnetic conducting Electric switch is controlled switch conduction and is disconnected with light so that keyboard will not be because contacting aging or loss of function due to oxidation, together When also do not influenced by lighting environment, the service life of prolonged mechanical keyboard.
In order to solve the above technical problems, it includes bottom that Assembled keyboard button is connected with magnet for the magnetic electronic element of the present invention Seat, the top of the pedestal, which fastens, upper cover, and the top of the upper cover is equipped with the first opening;The pedestal and upper cover are formed after fastening to be held It receives chamber, press device is provided in the accommodating chamber, the top of the press device is exposed to the first opening of top of the upper cover, The side of the press device is provided with magnet;The bottom of the pedestal is provided with pcb board, and the electricity that is magnetic is arranged on the pcb board Subcomponent, the magnetic electronic element are located at the underface of the magnet.
In the present invention, when user presses press device, magnet moves down under the drive of press device so that the magnetic The distance between iron and magnetic electronic element are gradually reduced, when the distance of the two is less than certain value, magnetic electronic element It senses magnet and is connected by the magnetism of magnet, to open the switch of the button, realize the input function of keyboard.Thus may be used See, the magnet and magnetic electronic element in the present invention belong to non-contacting conducting form, are connected with traditional mechanical axis contact And optoelectronic switch controls switch conduction compared with disconnection with light, keyboard of the invention will not be because of contact aging or oxidation And loss of function, while also not influenced by lighting environment, extend the service life of mechanical keyboard.
Preferably, the side of the press device is provided with slot, and the bottom of the slot is equipped with second and is open, in the slot It is plugged with the magnet.Magnet is plugged in slot, magnet is convenient for changing, keeps the normal use of keyboard;Slot bottom Second opening in portion so that do not blocked between magnet bottom and magnetic electronic element, be convenient for magnetic electronic element induced magnet Magnetism.
Preferably, the slot open top, and the one side wall of the slot is equipped with strip gab, when needing to remove magnet When, magnet can upwards be released from strip gab, and finally take out magnet from open top.
Preferably, Assembled keyboard button is connected with magnet for a kind of magnetic electronic element provided by the invention, further includes turning round Spring, the installation cavity for accommodating the torsional spring is provided in the pedestal, and the bottom of the installation cavity is open equipped with third;The torsional spring Including horizontally disposed first elastic wall and the second elastic wall being vertically arranged, second elastic wall is threaded through the third and opens In mouthful;Collision block is provided on the side wall of the installation cavity, first elastic wall is contacted with the bottom of the collision block;The installation cavity Position close to first elastic wall end is provided with the inclined-plane tilted down, the end of first elastic wall with it is described tiltedly The top in face contacts;Hook is provided on the outside of the press device, first elastic wall is located at the underface of the hook.When When user taps keyboard, press device moves downward, at this point, hook pulls down the first elastic wall of torsional spring so that the first bullet Property wall is moved along inclined-plane, and when hook drops to certain position, the horizontal displacement of the first elastic wall disengages it from hook just Bottom hit with collision block at this point, the first elastic wall is sprung back under the action of elastic force, generate clearly strike note;In reality In the production of border, the length for rationally designing the angle and hook on inclined-plane is needed so that while the first elastic wall is detached from and links up with, magnetic Property electronic component be connected by the magnetism of magnet, user can judge whether magnetic electronic element is switched on by strike note, just It is used in a noisy environment in user;In addition, the strike note that torsional spring generates remains the percussion sound of traditional mechanical keyboard, More comfortable usage experience is brought for user.
Preferably, baffle is additionally provided in the installation cavity, first elastic wall is located at the side of the baffle and installation cavity Between wall.
Preferably, the press device includes button, and the first opening of top of the upper cover is exposed on the top of the button, Lower part is located in the accommodating chamber, and the slot is arranged in the lower part of the button;The bottom of the button is provided with central shaft, should The periphery of central shaft is arranged with spring, and the top of the spring is contacted with the bottom of button, bottom end and the base contacts.
Preferably, the lower part of the button is additionally provided with sliding block, which is separately positioned on the slot under the button In the opposite two side walls in portion;The side wall of the pedestal is equipped with the first sliding groove and second sliding slot, the sliding block and slot difference In the first sliding groove and second sliding slot, and the sliding block and slot can be respectively along gliding in the first sliding groove and second sliding slot Dynamic, the setting of the first sliding groove and second sliding slot can play guiding role during button moves up and down, prevent button from sending out It is raw to shake.
Preferably, the bottom of the pedestal is provided with guiding axis hole, and the bottom of the spring is set in the guiding axis hole Periphery, and the central shaft is threaded through in the guiding axis hole.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is that the three-dimensional detonation configuration signal of Assembled keyboard button is connected with magnet for the magnetic electronic element of the present invention Figure;
Fig. 2 is that the vertical view of Assembled keyboard button is connected with magnet for the magnetic electronic element of the present invention;
Fig. 3 is the A-A sectional views in Fig. 2;
Fig. 4 is the B-B sectional views in Fig. 2;
Fig. 5 is the structural schematic diagram of button in the present invention;
Fig. 6 is the structural schematic diagram of pedestal in the present invention;
Fig. 7 is the three-dimensional connecting structure schematic diagram of torsional spring, pedestal and press device in the present invention.
Reference numeral:
1- pedestals;2- upper covers;3- accommodating chambers;4- press devices;5- magnet;6-PCB plates;7- magnetic electronic elements;8- is turned round Spring;9- metal deckings;
11- is oriented to axis hole;12- the first sliding grooves;13- second sliding slots;14- installation cavitys;21- first is open;41- buttons;42- Slot;43- central shafts;44- springs;45- sliding blocks;The first elastic walls of 81-;The second elastic walls of 82-;
141- thirds are open;142- collision blocks;The inclined-planes 143-;144- baffles;411- is linked up with;421- second is open;422- items Shape is open.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this It encloses.
As shown in figs. 1-7, Assembled keyboard button is connected with magnet for the magnetic electronic element that one embodiment of the invention provides, Including pedestal 1, the top of the pedestal 1, which fastens, upper cover 2, and the top of the upper cover 2 is equipped with the first opening 21;The pedestal 1 and upper Lid 2 forms accommodating chamber 3 after fastening, press device 4 is provided in the accommodating chamber 3, which includes button 41, the button 41 top is exposed at the opening of top first 21 of upper cover 2, and lower part is located in accommodating chamber 3, is set in the lower outside of the button 41 It is equipped with the slot 42 of open top, magnet 5 is plugged in the slot 42, the second opening 421 is offered in the bottom of slot 42; The bottom of pedestal 1 is provided with pcb board 6, and magnetic electronic element 7 is provided on the pcb board 6, which is located at magnet 5 underface.
In the present embodiment, when user pushes button 41, magnet 5 moves down under the drive of button 41 so that the magnetic The distance between iron 5 and magnetic electronic element 7 are gradually reduced, and when the distance of the two is less than certain value, magnetic electronic element 7 is It can sense magnet 5 and be connected by magnetism, to turn on the switch, the input function of keyboard be realized, due to the magnetic in the present embodiment Iron 5 and magnetic electronic element 7 belong to non-contacting conducting form, be connected with traditional mechanical axis contact and optoelectronic switch with Light controls switch conduction compared with disconnection, keyboard will not because contacting aging or oxidation due to loss of function, while also not by The influence of lighting environment extends the service life of mechanical keyboard, and the magnetic electronic element 7 in the present embodiment is equivalent to one kind can By the magnetic switch of magnetism conducting.
For the ease of dismantling and replacing magnet 5, in the present embodiment, the top design of slot 42 is opening, and in slot 42 A side wall on offer strip gab 422, when needing to remove magnet 5, can from strip gab 422 by magnet 5 to Upper release, and finally take out magnet 5 from open top.
The bottom of above-mentioned button 41 is provided with central shaft 43, and the periphery of the central shaft 43 is arranged with spring 44, the spring 44 Top contacted with the bottom of button 41;It is provided in the bottom of pedestal 1 and is oriented to axis hole 11, the bottom of above-mentioned spring 44 is set in The periphery of the guiding axis hole 11, and central shaft 43 is threaded through in the guiding axis hole 11, which can be on button 41 It play the guiding role during lower movement;It is additionally provided with sliding block 45 in the lower part of button 41, which is respectively set with slot 42 In the opposite two side walls in 41 lower part of button, correspondingly, the first sliding groove 12 and second sliding slot are equipped on the side wall of pedestal 1 13, above-mentioned sliding block 45 and slot 42 are located in the first sliding groove 12 and second sliding slot 13, and sliding block 45 and slot 42 can divide It does not slide up and down along the first sliding groove 12 and second sliding slot 13, is further led with being played during button 41 moves up and down To effect, while it can prevent button 41 from rotating.
Further, sense of touch and keyboard knock, the present embodiment are used in order to retain the unique of traditional mechanical keyboard In be additionally arranged the torsional spring 8 of shock, which includes horizontally disposed first elastic wall 81 and the second elastic wall for being vertically arranged 82, it is provided with the installation cavity 14 for accommodating the torsional spring 8 in pedestal 1, third opening 141 is equipped in the bottom of installation cavity 14, it is above-mentioned Second elastic wall 82 is threaded through in third opening 141;Collision block 142, the first elastic wall are provided on the side wall of installation cavity 14 81 middle part is contacted with the bottom of the collision block 142, and installation cavity 14 is provided with close to the position of 81 end of the first elastic wall and dips down The end on oblique inclined-plane 143, the first elastic wall 81 is contacted with the top on the inclined-plane 143, and in the lower outside of above-mentioned button 41 Equipped with hook 411, above-mentioned first elastic wall 81 is located at the underface of the hook 411;It is additionally provided with baffle in installation cavity 14 144, the first elastic wall 81 is located between the baffle 144 and the side wall of installation cavity 14.When user taps keyboard, button 41 is downward Movement, at this point, hook 411 pulls down the first elastic wall 81 so that the first elastic wall 81 is moved along inclined-plane 143, i.e., and first Elastic wall 81 generates horizontal displacement and vertical displacement simultaneously, when hook 411 drops to certain position, the water of the first elastic wall 81 Prosposition moves the bottom for disengaging it from hook 411 just, at this point, the first elastic wall 81 is sprung back under the action of elastic force, with collision block 142 It hits, generates clearly strike note;In actual production, the angle for rationally designing inclined-plane 143 and the length for linking up with 411 are needed Degree so that while the first elastic wall 81 is detached from hook 411, magnetic electronic element 7 is connected by the magnetism of magnet 5, in this way, with Family can judge whether magnetic electronic element 7 is switched on by strike note, be used in a noisy environment convenient for user;This Outside, the strike note that torsional spring 8 generates remains the percussion sound of traditional mechanical keyboard, while the torque of torsional spring 8 makes user exist Sense of touch same as tradition machinery keyboard can be obtained when tapping keyboard.
In addition, in the present embodiment, the periphery of pedestal 1 is connected with metal decking 9, and the metal decking 9 and above-mentioned pcb board 6 are equal For all key-press sharings on a keyboard, also, between metal decking 9, pcb board 6, upper cover 2 and the pedestal 1 in the present embodiment Connection type it is identical as traditional mechanical keyboard button, belong to the common knowledge of those skilled in the art, therefore, the present embodiment No longer repeated.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used To modify to the technical solution recorded in previous embodiment, either which part or all technical features are equal It replaces;And these modifications or replacements, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution It encloses, should all cover in the claim of the present invention and the range of specification.

Claims (8)

1. Assembled keyboard button is connected with magnet for a kind of magnetic electronic element, it is characterised in that:
Including pedestal (1), the top of the pedestal (1), which fastens, upper cover (2), and the top of the upper cover (2) is equipped with the first opening (21);
The pedestal (1) and upper cover (2) form accommodating chamber (3) after fastening, press device (4) is provided in the accommodating chamber (3), should The top first that the top of press device (4) is exposed to the upper cover (2) is open at (21), the side of the press device (4) It is provided with magnet (5);
The bottom of the pedestal (1) is provided with pcb board (6), and magnetic electronic element (7), the magnetism are provided on the pcb board (6) Electronic component (7) is located at the underface of the magnet (5).
2. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 1, it is characterised in that:
The side of the press device (4) is provided with slot (42), and the bottom of the slot (42) is equipped with the second opening (421), should It is plugged with the magnet (5) in slot (42).
3. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 2, it is characterised in that:
Slot (42) open top, and the one side wall of the slot (42) is equipped with strip gab (422).
4. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 1 or 2, it is characterised in that:
Further include torsional spring (8), the installation cavity (14) for accommodating the torsional spring (8), the installation cavity are provided in the pedestal (1) (14) bottom is equipped with third and is open (141);
The torsional spring (8) includes horizontally disposed first elastic wall (81) and the second elastic wall (82) for being vertically arranged, and described Two elastic walls (82) are threaded through in the third opening (141);
Collision block (142), the bottom of first elastic wall (81) and the collision block (142) are provided on the side wall of the installation cavity (14) Portion contacts;
The installation cavity (14) is provided with the inclined-plane (143) tilted down close to the position of the first elastic wall (81) end, The end of first elastic wall (81) is contacted with the top of the inclined-plane (143);
Hook (411) is provided on the outside of the press device (4), first elastic wall (81) is located at the hook (411) Underface.
5. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 4, it is characterised in that:
Baffle (144) is additionally provided in the installation cavity (14), first elastic wall (81) is located at the baffle (144) and installation Between the side wall of chamber (14).
6. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 2, it is characterised in that:
The press device (4) includes button (41), and the opening of top first of the upper cover (2) is exposed on the top of the button (41) (21) at, lower part is located in the accommodating chamber (3), and the slot (42) is arranged in the lower part of the button (41);
The bottom of the button (41) is provided with central shaft (43), and the periphery of the central shaft (43) is arranged with spring (44), the bullet The top of spring (44) is contacted with the bottom of button (41), and bottom end is contacted with the pedestal (1).
7. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 6, it is characterised in that:
The lower part of the button (41) is additionally provided with sliding block (45), the sliding block (45) and the slot (42) be separately positioned on it is described by In the opposite two side walls in key (41) lower part;
The side wall of the pedestal (1) is equipped with the first sliding groove (12) and second sliding slot (13), the sliding block (45) and slot (42) It is located in the first sliding groove (12) and second sliding slot (13), and the sliding block (45) and slot (42) can be respectively along first Sliding slot (12) and second sliding slot (13) slide up and down.
8. Assembled keyboard button is connected with magnet for magnetic electronic element according to claim 6, it is characterised in that:
The bottom of the pedestal (1), which is provided with, is oriented to axis hole (11), and the bottom of the spring (44) is set in the guiding axis hole (11) periphery, and the central shaft (43) is threaded through in the guiding axis hole (11).
CN201810134847.7A 2017-12-28 2018-02-09 Assembled keyboard button is connected with magnet for magnetic electronic element Pending CN108305805A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2017219250421 2017-12-28
CN201721925042 2017-12-28

Publications (1)

Publication Number Publication Date
CN108305805A true CN108305805A (en) 2018-07-20

Family

ID=62864943

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201810134847.7A Pending CN108305805A (en) 2017-12-28 2018-02-09 Assembled keyboard button is connected with magnet for magnetic electronic element
CN201820244457.0U Active CN207909762U (en) 2017-12-28 2018-02-09 Assembled keyboard button is connected with magnet for a kind of magnetic electronic element

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201820244457.0U Active CN207909762U (en) 2017-12-28 2018-02-09 Assembled keyboard button is connected with magnet for a kind of magnetic electronic element

Country Status (1)

Country Link
CN (2) CN108305805A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109587984A (en) * 2018-11-15 2019-04-05 浙江商业职业技术学院 A kind of Campus Security electronics based on Internet of Things

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109587984A (en) * 2018-11-15 2019-04-05 浙江商业职业技术学院 A kind of Campus Security electronics based on Internet of Things

Also Published As

Publication number Publication date
CN207909762U (en) 2018-09-25

Similar Documents

Publication Publication Date Title
KR20190000876U (en) Keyboard switch with a clicking sound
US6297808B1 (en) Controller device including at least one finger hole, a trackball, and a display screen
CN106158470B (en) Keyboard switch
CN101964265B (en) Press key mechanism with water-proof function and electronic device
JP3154824U (en) Splash top toy
CN202454472U (en) Switch for miniature keyboard
KR20170073466A (en) Modular photoelectric switch keyboard button
CN205384962U (en) Mechanical keyboard press -button structure
WO2007033146A3 (en) Lateral interposer contact design and probe card assembly
CN105470005B (en) Mechanical keyboard press-button structure
CN101614382B (en) Mechanical turntable type rotary light adjustment device and light adjustment method thereof
CN2759012Y (en) Electric shock-proof safety socket
CN204009756U (en) Electrostatic capacity type is contactless keyboard
CN206195873U (en) Anti cell -phone shell that falls
US9646786B1 (en) Hall principle-based LED lit mechanical keyboard switch
CN204332792U (en) A kind of 3D rocking bar input unit of modified node method
CN108493028A (en) A kind of electric safety switch
CN104414487A (en) Drawer assembly and oven with drawer assembly
CN205303255U (en) Flat reset switch of wane formula
CN101576774A (en) Dustproof keyboard
CN104810184A (en) Key switch
CN109300730A (en) Electrical equipment, magnetic rotation button component and magnetic rotation button
CN204596678U (en) A kind of key switch
KR200491360Y1 (en) Piezoresistive multi-directional input device
CN201294179Y (en) Keyboard key capable of prolonging keyboard service life and rebounding rapidly

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination