CN110223869A - A kind of short stroke key switch - Google Patents

A kind of short stroke key switch Download PDF

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Publication number
CN110223869A
CN110223869A CN201910651253.8A CN201910651253A CN110223869A CN 110223869 A CN110223869 A CN 110223869A CN 201910651253 A CN201910651253 A CN 201910651253A CN 110223869 A CN110223869 A CN 110223869A
Authority
CN
China
Prior art keywords
axis
coil
key switch
pedestal
magnetic element
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
CN201910651253.8A
Other languages
Chinese (zh)
Inventor
杨晓锋
邹勤
朱晶
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 Jing Yang Electronic Technology Co Ltd
Original Assignee
Dongguan Jing Yang Electronic 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 Jing Yang Electronic Technology Co Ltd filed Critical Dongguan Jing Yang Electronic Technology Co Ltd
Priority to CN201910651253.8A priority Critical patent/CN110223869A/en
Publication of CN110223869A publication Critical patent/CN110223869A/en
Priority to PCT/CN2019/111607 priority patent/WO2021007969A1/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC 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
    • H01H13/02Details
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • H01H13/20Driving mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/28Power arrangements internal to the switch for operating the driving mechanism using electromagnet

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Push-Button Switches (AREA)

Abstract

The present invention discloses a kind of short stroke key switch, including pedestal, groove is formed on pedestal, the upper cover snapped connection therewith is set on the pedestal, the upper cover, which is closed the groove and constituted, holds embedding axis and the electromagnetically accommodating space of component, the electromagnetically component includes the iron core and coil of coaxial arrangement, and the iron core is installed in the groove of the pedestal, and the coil is embedded in system in the installation space on the iron core;The axis activity is threaded through in the coil and connect with the vertical handle for running through upper cover and protruding into accommodating space, the lattice for being divided into two halves section is also formed on the axis, the upper semisection part of the axis sets the first magnetic element, and the lower semisection part of the axis sets reset spring;The handle is pressed, electromagnetically component provides controllable magnetic and the first magnetic element and interacts, and axis can be made to move back and forth in the short stroke of vertical direction and along the guide hole stretching/rollback made at base bottom center, matches key switch and is turned on or off.

Description

A kind of short stroke key switch
Technical field
The present invention relates to technical field of electronic products, especially a kind of short stroke key switch.
Background technique
As people's life constantly improves, the use of computer is more more and more universal in society, has become people Essential a kind of article in life.For keyboard as the essential input equipment of computer, function and type are also more next More, keyboard is a kind of using frequent computer peripheral, and operating characteristics is obtained with the continuous innovation of technology Promotion gradually, from machinery to photoelectricity, from photoelectricity to optics, from wired to wireless, the unfailing performance of keyboard and functional more next Better.
Existing Non-contact key switch launches light source by an emitter (PT), and the light source of sending is symmetrical The reception device (IR) of setting receives, and the axis of key switch is in vertical reciprocatory movement, to the light of emitter sending Source is stopped, and key is connected when reception device cannot receive light source;There are also one kind above-mentioned contactless in existing Key switch increases the key for adjusting and pressing Compressive Strength, that is, magnetic element is arranged on the axis of key, will be by by adaptation Key is configured to the key of magnetic-type.Setting for the non-contact key of above-mentioned increase magnetic element, to it are as follows: pressing key axis arrives Up to before conduction position, one signal of key is given, it is made to apply magnetic force on magnetic element and generating opposition, when axis moves Device can not be received for the blocking of light source that emitter issues by moving when receiving, key conducting, and opposition is used In the pressure for offsetting and balancing pressing key axis, when the key axis of key being made to be moved to conduction position, the pressing force of the application on key axis It is offset with opposition, is the pressing that has had of key feel in place.
The Non-contact key switch of above-mentioned increase magnetic element is the key switch of long stroke, to realize magnetic adjust By Compressive Strength corresponding function can be completed by the way that magnet or the magnetic element of high magnetic field intensity is arranged, and the magnetic of high magnetic field intensity Iron or magnetic element are necessarily required to biggish space and are assembled, and for the key switch of long stroke, meet and has There is biggish assembly space, but for the key switch of short stroke, such as: the stroke of the key of mouse, such key switch is normal It is often 0.3~0.5mm, in the case where key switch size is small and key stroke is short, the inside for the key that will necessarily make can be filled It is small with space, at this point, pressing strength control is adjusted using conventional magnetic element again, it is clear that it is unsatisfactory for control and requires, It is exactly using conventional magnetic element, the pressure of pressing key axis cannot be offset and be balanced to the magnetic force of generation, and conventional by enhancing The magnetic field strength of magnetic element will cause it again and can not assemble.
So the creator of this exercises designs a kind of short stroke key switch to solve the above problems.
Summary of the invention
The technical issues of solution of the invention is to provide a kind of short stroke for above-mentioned existing defect in the prior art Key switch, the short stroke key switching structure is compact, pushes good hand touch, stability and good product consistency.
To solve above-mentioned technical problem, a kind of technical solution that the present invention takes is as follows: a kind of short stroke key switch, packet Pedestal is included, groove is formed on the pedestal, the upper cover snapped connection therewith is set on the pedestal, the upper cover closes the groove And constitute and hold embedding axis and the electromagnetically accommodating space of component, the electromagnetically component includes the iron core and coil of coaxial arrangement, The iron core is installed in the groove of the pedestal, and the coil is embedded in system in the installation space on the iron core;It is described Axis activity is threaded through in the coil and connect with the vertical handle for running through upper cover and protruding into accommodating space, on the axis It is also formed with the lattice for being divided into two halves section, the upper semisection part of the axis sets the first magnetic element, the axis Lower semisection part sets reset spring;The handle is pressed, the electromagnetically component provides controllable magnetic and the first magnetic element phase Interaction can make axis move back and forth in the short stroke of vertical direction and stretch out/return in the guide hole at base bottom center along system It moves back, matching key switch is turned on or off.
It is further described as to above-mentioned technical proposal:
In the above-mentioned technical solutions, first magnetic element is movably set in the upper semisection of the axis, the coil For the adjustable hot-wire coil of electrical current, the reversed or positive electrical current size of regulating winding can make electromagnetically component Generate repulsion or suction between the first magnetic element, matching makes the first magnetic element be maintained at the upper semisection of axis or makes first Magnetic element axial bottom in, which moves and hits cutting part and generates, pushes paragraph sense.
In the above-mentioned technical solutions, the coil is cylindrical coil, and the axis activity is threaded through the hollow of the coil In space, when the axis is also configured to not press handle, the segmentaion position of the axis in the hollow space of coil simultaneously The bottom face of the first magnetic element is set to be lower than the top end face of the coil.
In the above-mentioned technical solutions, the coil be copper coil or aluminum coil, first magnetic element be silicon steel sheet or Magnet.
In the above-mentioned technical solutions, the bottom portion of groove center is equipped with protrusion, and the protrusion fovea superior is formed with the first groove, institute Reset spring one end is stated to be embedded in first groove and be movably connected with the base, the other end be threaded through on the axis and with institute State cutting part flexible connection.
In the above-mentioned technical solutions, the iron core is cylindric iron core, and the installation space bottom is formed with annular groove, The coil is embedded in the annular groove, and the mandrel bottom is formed with the embedding hole for inlaying the protrusion
In the above-mentioned technical solutions, several buckles are formed on four side of pedestal, four side of upper cover is formed in place Set and number on the catching groove that matches of buckle, each buckle is embedded in catching groove, matches the pedestal and upper cover card Button connection.
In the above-mentioned technical solutions, the pedestal top is additionally provided with tacking column, the upper Gai Shangyu tacking column phase Location hole is set on the position matched, the tacking column is implanted into matched location hole and rivets with upper cover, and matching makes pedestal and upper cover It is affixed.
In the above-mentioned technical solutions, the handle is pressed, the controllable magnetic and first that the electromagnetically component provides are magnetic Element interaction, can be such that axis moves back and forth in the vertical stroke of 0.3-0.5mm.
Compared with prior art, the beneficial effects of the present invention are: key switch of the invention cooperates by using iron core The electromagnetically component and the mutual magnetic of the first magnet assembly of the similar electromagnet function of coil composition act on, in smaller assembly space And in the case that short stroke requires, the function of increasing and adjust and press Compressive Strength is realized, it is strong that iron core with fitting coils can generate highfield Degree, the electromagnetically component so enable and the first magnetic element generate the pressure of matched magnetic balanced pressing key axis when interacting Power and the pushing paragraph sense for increasing pressing;Meanwhile of the invention short stroke key switching structure is compact, pushes good hand touch, stabilization Property and good product consistency.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment key switch;
Fig. 2 is the exploded view of the present embodiment key switch;
Fig. 3 is another decomposition view of the present embodiment key switch.
Fig. 4 is a kind of half sectional view of the present embodiment key switch.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
It is exemplary by reference to the embodiment that attached drawing describes, it is intended to for explaining the application, and should not be understood as pair The limitation of the application.In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the application and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second " It is used for description purposes only, is not understood to indicate or imply relative importance or implicitly indicates indicated technical characteristic Quantity.Thus, define " first ", the feature of " second " can explicitly or implicitly include one or more spy Sign.In the description of the present application, " several ", the meaning of " plurality " is two or more, unless otherwise clearly specific It limits.Unless otherwise clearly defined and limited, in this application, the arts such as term " installation ", " connected ", " connection ", " fixation " Language shall be understood in a broad sense, such as, it may be a fixed connection, may be a detachable connection, or be integrally connected;It can be machinery Connection, is also possible to be electrically connected;It can be directly connected, two elements can also be can be indirectly connected through an intermediary Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.And fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature
A kind of attached drawing 1-4 example specific embodiment of the invention, with reference to attached drawing 1-4, a kind of short stroke key switch, it Including pedestal 1, it is formed with groove 101 on the pedestal 1, the upper cover 2 snapped connection therewith is set on the pedestal 1, in the present embodiment In, be formed on 1 four side of pedestal it is several buckle 102,2 four side of upper cover be formed in position in number with buckle 102 catching grooves 201 to match, each buckle 102 are embedded in catching groove 201, are matched the pedestal 1 and are connected with the buckle of upper cover 2 It connects;In the present embodiment, 1 top of pedestal is additionally provided with tacking column 103, matches in the upper cover 2 with tacking column 103 Position on set location hole 202, the tacking column 103 is implanted into matched location hole 202 and rivets with upper cover 2, and matching makes bottom Seat 1 is affixed with upper cover 2;The upper cover 2, which is closed the groove 101 and constituted, holds embedding axis 3 and electromagnetically the accommodating sky of component 4 Between, the electromagnetically component 4 includes the iron core 5 and coil 6 of coaxial arrangement, and the iron core 5 is installed in the groove of the pedestal 1 In 101, the coil 6 is embedded in system in the installation space 501 on the iron core 5, and the iron core 5 is cylindric iron core, and 501 bottom of installation space is formed with annular groove 502, and the coil 6 is embedded in the annular groove 502, the coil 6 The flux circuit of closure can be constituted with iron core 5;3 activity of axis is threaded through in the coil 6 that (axis 3 is placed in installation space In 501) and connect with the vertical handle 7 for running through upper cover 2 and protruding into accommodating space, it is also formed with and is distinguished on the axis 3 For the lattice 301 of two halves section, the upper semisection part of the axis 3 sets the first magnetic element 8, the lower semisection portion of the axis 3 Set up reset spring 9 separately;The handle 7 is pressed, the electromagnetically component 4 provides controllable magnetic and 8 phase interaction of the first magnetic element With, can make axis 3 moved back and forth in the short stroke of vertical direction and along system 1 bottom centre of pedestal guide hole 104 stretch out/return It moves back, matching key switch is turned on or off, and in the present embodiment, presses the handle 7, what the electromagnetically component 4 provided can It controls magnetic force and the first magnetic element 8 interacts, axis 3 can be made to move back and forth in the vertical stroke of 0.3-0.5mm.
Preferably, in the present embodiment, first magnetic element 8 is movably set in the axis with reference to attached drawing 1-4 3 upper semisection, the coil 6 are the adjustable hot-wire coil of electrical current, the reversed or positive electrical current of regulating winding 6 Size (including obstructed electric current) can make to generate repulsion or suction between electromagnetically component 4 and the first magnetic element 8, and matching makes the One magnetic element 8 is maintained at the upper semisection of axis 3 or the first magnetic element 8 is made to move along axis 3 to bottom and hit cutting part 301 and generate push paragraph sense;It is powered it should be noted that the coil 6 is reversed, electromagnetically component 4 and the first magnetic element 8 Magnetic force be mutually exclusive and mutually exclusive magnetic force and the gravity that is greater than or equal to the first magnetic element 8, thus make first Magnetic element 8 is in the upper semisection of axis 3 or is kept out by upper cover 2, and works as and be not powered on (positive electrical current is 0) and positive energization When, the first magnetic element 8 is fallen on cutting part 301, or the magnetic force of electromagnetically component 4 and the first magnetic element 8 is attracting and make First magnetic element 8 moves to bottom along axis 3 and hits lattice 301, generates and pushes paragraph sense.
In the present embodiment, preferably, the coil 6 is cylindrical coil, 3 activity of axis is threaded through the coil In 6 hollow space 601, when the axis 3 is also configured to not press handle 7, the cutting part 301 of the axis 3 is located at line In the hollow space 601 of circle 6 and the bottom face of the first magnetic element 8 is made to be lower than the top end face that the line 6 encloses;Preferably, institute Stating coil 6 is copper coil or aluminum coil, and first magnetic element 8 is silicon steel sheet or magnet;In the present embodiment, the groove 101 bottom centre are equipped with protrusion 105, and 105 fovea superior of protrusion is formed with the first groove 106, and described 9 one end of reset spring is embedded in institute It states in the first groove 106 and is flexibly connected with pedestal 1, the other end is threaded through on the axis 3 and movable with the cutting part 301 Connection;In the present embodiment, the iron core 5 is cylindric iron core, and 5 bottom of iron core, which is formed with, inlays the embedding of the protrusion 104 Hole 503.
It is not intended to limit the scope of the present invention above, all technical spirits according to the present invention are to above implementation Any modification, equivalent variations and modification made by example, in the range of still falling within technical solution of the present invention.

Claims (9)

1. a kind of short stroke key switch, it is characterised in that, including pedestal is formed with groove on the pedestal, sets on the pedestal The upper cover snapped connection therewith, the upper cover, which is closed the groove and constituted, holds embedding axis and the electromagnetically accommodating space of component, The electromagnetically component includes the iron core and coil of coaxial arrangement, and the iron core is installed in the groove of the pedestal, the line Circle is embedded in system in the installation space on the iron core;The axis activity be threaded through in the coil and with vertically through upper Cover and protrude into the connection of the handle in accommodating space, be also formed with the lattice for being divided into two halves section on the axis, it is described in The upper semisection part of axis sets the first magnetic element, and the lower semisection part of the axis sets reset spring;The handle is pressed, it is described Electromagnetically component provides controllable magnetic and the first magnetic element interacts, and axis can be made reciprocal in the short stroke of vertical direction Guide hole stretching/rollback mobile and along system at base bottom center, matching key switch are turned on or off.
2. a kind of short stroke key switch according to claim 1, it is characterised in that, the first magnetic element movable sleeve It is located at the upper semisection of the axis, the coil is the adjustable hot-wire coil of electrical current, regulating winding reversed or just To electrical current size, can make to generate repulsion or suction between electromagnetically component and the first magnetic element, matching makes the first magnetism Element is maintained at the upper semisection of axis or the first magnetic element axial bottom in is made to move and hit cutting part and generate pushing Paragraph sense.
3. a kind of short stroke key switch according to claim 2, it is characterised in that, the coil is cylindrical coil, institute Axis activity is stated to be threaded through in the hollow space of the coil, when the axis is also configured to not press handle, the axis Segmentaion position in the hollow space of coil and make the first magnetic element bottom face be lower than the coil top end face.
4. a kind of short stroke key switch according to claim 3, it is characterised in that, the coil is copper coil or aluminum steel Circle, first magnetic element are silicon steel sheet or magnet.
5. a kind of short stroke key switch according to any one of claims 1 to 4, it is characterised in that, the bottom portion of groove Center is equipped with protrusion, and the protrusion fovea superior is formed with the first groove, described reset spring one end be embedded in first groove and with Pedestal is flexibly connected, and the other end is threaded through on the axis and is flexibly connected with the cutting part.
6. the first short stroke key switch according to claim 5, it is characterised in that, the iron core is cylindric iron core, And the installation space bottom is formed with annular groove, the coil is embedded in the annular groove, and the mandrel bottom is formed with Inlay the embedding hole of the protrusion.
7. a kind of short stroke key switch according to claim 6, it is characterised in that, if being formed on four side of the pedestal Dry buckle, four side of upper cover are formed in position with the catching groove that matches in number with buckle, and each buckle inlays It is snapped connection in catching groove, matching the pedestal with upper cover.
8. a kind of short stroke key switch according to claim 7, it is characterised in that, the pedestal top is additionally provided with positioning Riveting column, location hole is set on the position that the upper Gai Shangyu tacking column matches, and the tacking column is implanted into matched location hole And riveted with upper cover, matching keeps pedestal affixed with upper cover.
9. a kind of short stroke key switch according to claim 8, it is characterised in that, press the handle, the electromagnetism Property component provide controllable magnetic and the first magnetic element interaction, axis can be made past in the vertical stroke of 0.3-0.5mm It is multiple mobile.
CN201910651253.8A 2019-07-18 2019-07-18 A kind of short stroke key switch Pending CN110223869A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910651253.8A CN110223869A (en) 2019-07-18 2019-07-18 A kind of short stroke key switch
PCT/CN2019/111607 WO2021007969A1 (en) 2019-07-18 2019-10-17 Short stroke button switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910651253.8A CN110223869A (en) 2019-07-18 2019-07-18 A kind of short stroke key switch

Publications (1)

Publication Number Publication Date
CN110223869A true CN110223869A (en) 2019-09-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910651253.8A Pending CN110223869A (en) 2019-07-18 2019-07-18 A kind of short stroke key switch

Country Status (2)

Country Link
CN (1) CN110223869A (en)
WO (1) WO2021007969A1 (en)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
WO2021007969A1 (en) * 2019-07-18 2021-01-21 东莞璟阳电子科技有限公司 Short stroke button switch
CN113363100A (en) * 2021-06-25 2021-09-07 歌尔股份有限公司 Trigger button device and electronic equipment
WO2021228047A1 (en) * 2020-05-14 2021-11-18 东莞璟阳电子科技有限公司 Magnetic key, key control device, and keyboard
WO2022193421A1 (en) * 2021-03-19 2022-09-22 东莞璟阳电子科技有限公司 Button structure and mouse

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CN113903613B (en) * 2021-08-30 2024-03-12 苏州宏云智能科技有限公司 Light button subassembly, keyboard and electronic equipment
CN113952136A (en) * 2021-10-25 2022-01-21 康辉医疗科技(苏州)有限公司 Electric nursing bed

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CN105552482A (en) * 2016-02-05 2016-05-04 中国电子科技集团公司第四十研究所 Microwave switch electromagnetic driving device
CN106516933A (en) * 2016-12-20 2017-03-22 刘英辉 Electrodynamic type safety tong device and brake method of electrodynamic type safety tong device
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Publication number Priority date Publication date Assignee Title
WO2021007969A1 (en) * 2019-07-18 2021-01-21 东莞璟阳电子科技有限公司 Short stroke button switch
WO2021228047A1 (en) * 2020-05-14 2021-11-18 东莞璟阳电子科技有限公司 Magnetic key, key control device, and keyboard
WO2022193421A1 (en) * 2021-03-19 2022-09-22 东莞璟阳电子科技有限公司 Button structure and mouse
CN113363100A (en) * 2021-06-25 2021-09-07 歌尔股份有限公司 Trigger button device and electronic equipment

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