CN208938859U - A kind of trigger-type magnetic force key - Google Patents

Abstract

The utility model discloses a kind of trigger-type magnetic force key, in its natural state, since action of reset spring pushes baffle that axis is driven to move upwards, first magnet and the mutual magnetic of the second magnet, the bottom of pedestal is provided with energization magnetic field generator simultaneously, when in one pressure to key of application, key drives axis to move downward, trigger assembly is set to generate trigger signal, control circuit board passes through the magnetic field that control electric current first generates different directions to electromagnetic field generator after receiving trigger signal, and the second magnet movement impingement baffles is made to generate paragraph sense.

Description

A kind of trigger-type magnetic force key

Technical field

The utility model relates to keyboard accessory field, espespecially a kind of trigger-type magnetic force key.

Background technique

Keyboard be computer it is the most frequently used be also most important input equipment, by tap keyboard can be by English alphabet, number Word, punctuation mark etc. are input in computer, to issue order, input data etc. to computer.Keyboard be divided into mechanical keyboard, Membrane keyboard, electric silica gel keyboard, capacitor keyboard, wherein strong with mechanical keyboard timing, feel, which is used for a long time, will not change depth Liked by game player.

Currently, mechanical keyboard paragraph sense and pressure is not mainly by using coaxially changing paragraph sense, it is such as common on the market Black, red, green, four kinds of axis of tea.Black axis paragraph sense is most strong；Red axis there is no paragraph sense；Green axis paragraph sense is smaller, but level Obviously, apparent rhythm sound is had；Tea axis paragraph sense and green axis are similar, and only stereovision is not strong.If it is desired to impression is different Feel, user must buy the mechanical keyboard of different colours axis.If not knowing that the hobby of oneself is easy to purchase and is not suitable for The mechanical keyboard of oneself, to cause user's repeat buying, cost of idleness.It can not equally like according to oneself and define mechanical axis Paragraph sense and dynamics.

Utility model content

Utility model aims to solve problems of the existing technology, provide a kind of trigger-type magnetic force key, lead to It crosses to control coil current and changes magnet shock dynamics, thus change the paragraph sense intensity of mechanical axis,

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: trigger-type magnetic force key, including pedestal With the axis being set in pedestal, axis surface is socketed with reset spring, key is connected at the top of axis, and axis can in pedestal It moves back and forth along the vertical direction, further includes the first magnet, the second magnet, third magnet, wherein the first magnet is fixed on key Bottom, axis is equipped with baffle, and second magnet is socketed on axis and between the first magnet and baffle, described the The bottom in pedestal is arranged in three magnets and axis runs through third magnet, wherein the first magnet and the mutual magnetic of the second magnet, the Three magnets are energization magnetic field generator, and the bottom end of pedestal is fixedly installed the control electricity for applying control electric current to third magnet Road plate, control circuit board are equipped with the trigger assembly that triggering control is carried out to control circuit board, and trigger assembly passes through axis downlink It is mobile to generate trigger signal, the input terminal connection of the trigger assembly and control circuit board, the control output end of control circuit board It is connect with third magnet.

Specifically, the trigger assembly includes the transmitting light source of light-sensitive element and corresponding light-sensitive element, and light-sensitive element receives Emit light source light simultaneously connect with control circuit board input terminal, the axis offer can allow emit source light penetrate it is saturating Light tank is located between light-sensitive element and the transmitting light source of correspondence light-sensitive element when light slot, axis downlink are mobile, makes light from saturating Light slot penetrates axis and reaches light-sensitive element.

Specifically, the trigger assembly is three layers of film, the film that three layers of film is arranged along the vertical direction by three layers Composition, upper layer film and lowest level film corresponding position are printed on accessible turning circuit, and turning circuit is defeated with control circuit board Enter end connection, middle layer film is arranged between upper layer film and lower layer's film, and in the electric conduction of upper layer film and lower layer's film Road corresponding position aperture contacts upper layer film and lower layer's film not in the absence of external forces, is moved down pressure by axis In the case where upper layer film and lower layer's film deform and pass through middle layer film position of opening and contact with each other, to realize that circuit is led It is logical.

Specifically, the trigger assembly is the first metal clips, the input terminal company of the first metal clips and control circuit board It connects, the axis is equipped with the second metal clips corresponding with the first metal clips, and the movement of axis stress downlink makes the first metal elastic Piece and the contact conducting of the second metal clips.

Specifically, first magnet is sheet soft magnetic bodies, and second magnet is permanent magnet, and the third magnet is electricity Magnet or air core coil.

Specifically, second magnet is the annular permanent magnet to magnetize along axis axial direction.

Specifically, the outer of the key bottom is equipped with guide post, and the base inner wall is equipped with lead corresponding with guide post Slot, guide post are plugged in guide groove.

The utility model has the beneficial effects that: in its natural state, since action of reset spring pushes in baffle drive Axis moves upwards, the first magnet and the mutual magnetic of the second magnet, while the bottom of pedestal being provided with energization magnetic field generator, when Apply in a pressure to key, key drives axis to move downward, and trigger assembly is made to generate trigger signal, and control circuit board connects Pass through the magnetic field that control electric current first generates different directions to electromagnetic field generator after receiving trigger signal, hits the second magnet movement It hits baffle and generates paragraph sense.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the explosive view of embodiment one；

Fig. 3 is the explosive view of embodiment two.

Drawing reference numeral explanation: 1- pedestal；2- axis；3- key；31- guide post；4- baffle；The first magnet of 5-；6- second Magnet；7- reset spring；8- third magnet；9- pin；10- leg；11- light-sensitive element；12- emits light source；13- control circuit Plate；14- light tank；15- light emitting diode；The upper layer 161- film；The middle layer 162- film；163- lower layer film.

Specific embodiment

Embodiment 1

It please refers to shown in Fig. 1-2, the present embodiment includes pedestal 1 and the axis 2 in pedestal 1, and 2 surface of axis is socketed with Reset spring 7, the top of axis 2 are connected with key 3, and axis 2 can move back and forth along the vertical direction in pedestal 1, further include One magnet 5, the second magnet 6, third magnet 8, wherein the bottom of key 3 is fixedly installed the first magnet 5, and axis 2 is equipped with will Axis 2 divides into the baffle 4 of upper section and lower section, and the upper section of the axis 2 is socketed with the second magnet 6, and the second magnet 6 is located at first Between magnet 5 and baffle 4, and the first magnet 5 and the mutual magnetic of the second magnet 6, the third magnet 8 are arranged in pedestal 1 Bottom and axis 2 run through third magnet 8, and third magnet 8 is energization magnetic field generator, and the bottom end of pedestal 1, which is fixedly installed, to be used for Apply the control circuit board 13 of control electric current to third magnet 8, control circuit board 13 is equipped with and touches to control circuit board 13 The trigger assembly of control is sent out, trigger assembly generates trigger signal, the control output of control circuit board 13 by the way that 2 downlink of axis is mobile End is connect with third magnet 8.In the present embodiment, trigger assembly includes the transmitting light source of light-sensitive element 11 and corresponding light-sensitive element 11 12, light-sensitive element 11 receives the optical signal of transmitting light source 12 and connect with 13 input terminal of control circuit board, and the axis 2 offers The light tank 14 that transmitting 12 light of light source can be allowed to penetrate, light tank 14 is located at light-sensitive element 11 and corresponds to when 2 downlink of axis is mobile Between the transmitting light source 12 of light-sensitive element 11, so that light source is penetrated axis 2 from light tank 14 and reach light-sensitive element 11.

In its natural state, push baffle 4 that axis 2 is driven to move upwards since reset spring 7 acts on, axis 2 is in baffle 4 Under the action of drive the second magnet 6 and key 3 to be maintained at 1 top of pedestal, do not apply in third magnet 8 to the second magnet 6 When suction, the second magnet 6 is adsorbed on the first magnet 5.

When applying a pressure to key 3, key 3 drives axis 2 to move downward, in the light of transmitting light source 12 passes through Light tank 14 on axis 2 reaches light-sensitive element 11, and light-sensitive element 11 generates trigger signal to control circuit board 13, control circuit board 13 first give third magnet 8 plus a reversed magnetic force to the second magnet 6 by controlling electric current, and the second magnet 6 pushes key 3 to generate one Upward thrust, then controlling electric current makes third magnet 8 generate the suction to the second magnet 6, and magnet is detached from the first magnet 5 rapidly It moves downward impingement baffles 4 and generates paragraph sense.Simultaneously because axis 2 realizes conducting by the triggering that on-mechanical contacts, mention significantly High 3 service life of key effectively solves the problems, such as that mechanical keyboard is short due to the service life for realizing that conducting generates using Mechanical Contact mode.

In the present embodiment, the generation trigger signal of light-sensitive element 11, which can be, is connected to transmitting 12 light of light source generation, can also Being generated after being separated light.

In the present embodiment, the first magnet 5 is flaky soft magnetic material, and the second magnet 6 is the ring to magnetize along 2 axial direction of axis Shape permanent magnet, third magnet 8 are electromagnet or air core coil, and wherein third magnet 8 is connected with pin 9, and control circuit board 13 is defeated Enter end and be equipped with leg 10 corresponding with pin 9, third magnet 8 is connect by pin 9 with leg 10.

It further include having light emitting diode 15 in this example, the light emitting diode 15 is arranged in control circuit board 13, leads to It emits beam after electricity and illuminates key 3.

In the present embodiment, the outer of 3 bottom of key is equipped with guide post 31, and 1 inner wall of pedestal is equipped with right with guide post 31 The guide groove answered, guide post 31 are plugged in guide groove, are play the guiding role when pushing key or key is resetted to key.

Embodiment two

Please refer to shown in Fig. 3, the present embodiment and embodiment one the difference is that, the trigger assembly of the present embodiment includes Three layers of film, the film that three layers of film is arranged along the vertical direction by three layers form, upper layer film 161 and lower layer's film 163 Corresponding position is printed on accessible turning circuit, and turning circuit is connect with 13 input terminal of control circuit board, and middle layer film 162 is arranged Between upper layer film 161 and lower layer's film 163, and in the turning circuit corresponding position of upper layer film 161 and lower layer's film 163 Aperture contacts upper layer film 161 and lower layer's film 163 not in the absence of external forces, the feelings of pressure is moved down by axis 2 Upper layer film 161 and lower layer's film 163 are deformed and are contacted with each other by 162 position of opening of middle layer film under condition, to realize electricity Road conducting.

Embodiment three

The present embodiment and embodiment one the difference is that, the trigger assembly of the present embodiment is the first metal clips, the One metal clips is connect with the input terminal of control circuit board 13, and the axis 2 is equipped with the second gold medal corresponding with the first metal clips Belong to elastic slice, 2 stress downlink of axis is mobile to make the first metal clips and the second metal clips contact conducting.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (6)

1. a kind of trigger-type magnetic force key, the axis including pedestal and in pedestal, axis surface are socketed with reset spring, in Key is connected at the top of axis, axis can move back and forth along the vertical direction in pedestal, which is characterized in that further include the first magnetic Body, the second magnet, third magnet, wherein the first magnet is fixed on the bottom of key, axis is equipped with baffle, second magnetic Body is socketed on axis and between the first magnet and baffle, and the bottom in pedestal is arranged in for the third magnet and axis passes through Third magnet is worn, wherein the first magnet and the mutual magnetic of the second magnet, third magnet is energization magnetic field generator, the pedestal Bottom end is fixedly installed the control circuit board for applying control electric current to third magnet, and control circuit board is equipped with to control electricity Road plate carries out the trigger assembly of triggering control, and trigger assembly generates trigger signal, the trigger assembly by the way that axis downlink is mobile It is connect with the input terminal of control circuit board, the control output end of control circuit board is connect with third magnet, the key bottom Outer is equipped with guide post, and the base inner wall is equipped with guide groove corresponding with guide post, and guide post is plugged in guide groove.

2. trigger-type magnetic force key according to claim 1, which is characterized in that the trigger assembly include light-sensitive element and The transmitting light source of corresponding light-sensitive element, light-sensitive element receive the light of transmitting light source and connect with control circuit board input terminal, institute The light tank that penetrates of transmitting source light can be allowed by stating axis and offering, and light tank is located at light-sensitive element and right when axis downlink is mobile It answers between the transmitting light source of light-sensitive element, so that light is penetrated axis from light tank and reach light-sensitive element.

3. trigger-type magnetic force key according to claim 1, which is characterized in that the trigger assembly is three layers of film, institute It states the film that three layers of film are arranged along the vertical direction by three layers to form, upper layer film and lowest level film corresponding position are printed on and can connect The turning circuit of touching, turning circuit are connect with control circuit board input terminal, and middle layer film is arranged in upper layer film and lower layer's film Between, and in the turning circuit corresponding position aperture of upper layer film and lower layer's film, there is no upper layer film and lower layer's film It is not contacted in the case where external force, is moved down that upper layer film and lower layer's film in the case where pressure deform and to pass through middle layer soft by axis Piece position of opening contacts with each other, to realize that circuit is connected.

4. trigger-type magnetic force key according to claim 1, which is characterized in that the trigger assembly is the first metal elastic The input terminal of piece, the first metal clips and control circuit board connects, and the axis is equipped with corresponding with the first metal clips second Metal clips, axis stress downlink is mobile to make the first metal clips and the second metal clips contact conducting.

5. trigger-type magnetic force key according to claim 1-4, which is characterized in that first magnet is sheet Soft magnetic bodies, second magnet are permanent magnet, and the third magnet is electromagnet or air core coil.

6. trigger-type magnetic force key according to claim 5, which is characterized in that second magnet is along axis axial direction side To the annular permanent magnet to magnetize.