CN201204143Y

CN201204143Y - Push type microswitch

Info

Publication number: CN201204143Y
Application number: CNU2008200577235U
Authority: CN
Inventors: 吴俊昌
Original assignee: ALEPH ELECTRONICS (SHENZHEN) Co Ltd
Current assignee: ALEPH ELECTRONICS (SHENZHEN) Co Ltd
Priority date: 2008-04-25
Filing date: 2008-04-25
Publication date: 2009-03-04
Anticipated expiration: 2018-04-25

Abstract

The utility model discloses a pushing type sensitive switch, comprising a button, a magnet, a magnistor, a fixed part, a button seat, a mounting panel, a button pole, a contact sheet and a chamber and the like, a magnetic field sakusuke manner is used to replace the pushing type sensitive switch driven mechanically. By means of moving up and down of a magnet, the moving contact sheet is driven; when magnetic force lines of the magnet run through the metal contact sheet, the moving contact sheet moves caused by attractive force to move toward one side to contact with the other contact sheet. When the magnet moves away from the contact sheet, the contact sheet rebounds to home position by oneself, to complete switch of an open circuit and a close circuit. The utility model is also characterized in that, the button part of the sensitive switch and the switch body are combined, reaching vernier effect. The utility model has the advantages of little failure, long service life, no adjustment, simple structure and easy mounting.

Description

A kind of push type sensitive switch

Technical field

The utility model relates to a kind of push type sensitive switch, relates in particular to a kind of push type sensitive switch of electronic toy.

Background technology

Usually the sensitive switch of usefulness all belongs to mechanical structure, and the common fault that the mechanical sensitive switch of this kind is general is exactly easy fault, and useful life is short.Within for example whole switch, as long as machine components break down, just can also lose due function by related other parts, this type of fault is modal to be loose contact, causes contact sparking etc.Shortcoming like that for the user, is a kind of puzzlement really.

Seeing also shown in the accompanying drawing 1, is the longitudinal sectional drawing of the push type sensitive switch of prior art.This sensitive switch comprises three parts, i.e. the part of button 1, the part of switch body 2, and the part of negative 3.Wherein the part of button comprises button spindle 10, compression spring 11, push-button socket 12 and the contact end block 13 that is bolted in the button spindle lower end; On the external screw-thread of the lower end of push-button socket, be provided with simultaneously adjustable nut 14, with the installation panel 15 of cooperation different-thickness, and with its firm installation.In addition in the part of switch body, comprise and touch element 21, spring leaf 22, this spring leaf upper end 221 slightly is bending and contacts with the shake-up element, one end 231 and the cross-under of spring leaf knee of pull bar 23, the other end 222 of spring leaf props up the right-angle bending place 243 of contact chip 24; The other end 232 of pull bar is hooking the middle aperture 273 of public contact chip 27, end 271 at public contact chip is rabbeted on contact chip, the other end on public contact chip has point of contact 272, this contact usual with contact chip 25 on contact point 251 contact together, 252 of the other end contacts of contact chip are extended outside the switch body; At contact point 261 usual and the contact point or the off states of contact chip 26 1 ends, contact chip one termination contact 262 also is extended the switch body outside; One end 241 of this out-connecting contact is fixed on the switch body, and the contact point 242 of the other end also is extended the switch body outside.In switch body two pin clamps 281 and 282 emulsion sheets for latch grafting shell are arranged in addition.There are two screws 291 and 292 in a diagonal angle on switch body, wherein screw 291 is fixing, the 292nd, movable, its scope of activities is within the long interface 31 of base, be fulcrum just with screw 291, screw 292 is moved within long interface, by the nut on the screw 292 293 screw 292 is fixed on the certain position of long interface then, caused contact end block and the problem of touching the element spacing change with the different-thickness that solves because of installation panel in order to transfer switch body.

Its action of the push type sensitive switch of prior art is as described below: usual switch remains on off state; When the hand pressing button, button spindle moves down, and the contact end block of button spindle lower end is the shake-up element of touch switch body immediately, touches element and can impel spring leaf to move down; Because pull bar one end is to be connected on the spring leaf, so spring leaf also drives one of pull bar end toward moving down toward next; But the other end of pull bar is to be hooked on the aperture of common contact chip, and an end of this contact chip is to be fixed on the contact chip, so when the left end of pull bar moves down, its right-hand member also hooks contact chip, and be fulcrum with the end points, an end of contact chip is moved down, impel contact point to leave contact point, change and contact, as shown in phantom in FIG. with contact point.When contact point 272, when contact point 261 contacts, switch causes channel status, and when hand left button, the compression spring was according to the strength of its bounce-back, and the top is from button spindle.The action of switch is got back to original off state according to aforementioned opposite order.

Push type sensitive switch according to the above prior art has following shortcoming:

1, because complex structure, part is various, so during installation fee, cause a kind of waste of material and manpower.

2, button contacts end block and changes with loosening this of the distance of touching element because of the screw of switch body once using if overexert, and when long as if distance between the two, can't make button substitute switch body; If when distance is too near, will make switch often be in channel status, lose meaning; So must often adjust the common position of screw change shake-up element can use.

3, the push switch of this kind traditional type is that the durable number of times of mechanical type transmission event on average has only 100,000 times.

4, contact sparking can be produced, not only the switch contact wear can be made, and through easily causing the phenomenon of loose contact long afterwards.

This creator utilizes the experience of being engaged in Element Design for many years, the push type sensitive switch of using for reference prior art again has above-described many shortcomings, for the puzzlement that solves the practitioner is the active research improvement, be accomplished the sensitive switch of the push type of this creation improvement finally.

The main purpose of this creation is to be to provide a kind of mode with the magnetic field start to replace pushing the mechanical type transmission of sensitive switch in the past, and can reaches jiggle effect easily.

Another purpose of this creation is to be to provide a kind of long service life, a kind of push type sensitive switch that quality is high.

Summary of the invention

At the deficiency of prior art, the purpose of this utility model is to provide a kind of button to combine with switch body, and reduced volume weight reduces the device program, simply constructed a kind of push type sensitive switch.

The purpose of this utility model is realized by following technical scheme:

The sensitive switch of a kind of push type of the utility model is a kind ofly to help mode to replace the mechanically operated sensitive switch of pushing with magnetic field.Move by the upper and lower of a magnet, drive movable contact chip; When the magnetic line of force of magnet spreaded all over the Metal Contact sheet, this movable contact chip was answered its attraction and is contacted with another contact chip to a side shifting.When magnet moves apart this contact chip, this contact chip origin-location of rebounding voluntarily, and finish open circuit and closed circuit conversion.This utility model another feature is with the button part of sensitive switch and both merging of switch body part, and reaches the effect of fine motion.

Description of drawings

Fig. 1 is the longitudinal sectional view of the sensitive switch of prior art;

Fig. 2 is the longitudinal sectional view of the utility model sensitive switch

The number in the figure explanation

4-button, 5-magnet, 6-magnetic switch, 7-standing part, 15-installation panel

41-button spindle, 42-push-button socket, 44-nut, 45-spring

61,62,63-contact chip, 411-room, 421-room

Execution mode

The utility model is described in further detail below in conjunction with drawings and the specific embodiments:

Embodiment

See also accompanying drawing 2, the utility model comprises button 4, magnet 5 and magnetic switch 6, and wherein button comprises button spindle 41, push-button socket 42, magnet fixedly end block, nut 44 and spring 45.The feature of this creation is to open room 411 in button spindle 41, puts in the room for magnet 5, and the fixedly end block with suitable length packs in the room again, and magnet maintains static in addition; So button spindle, magnet, fixedly the end block three forms one; As long as button spindle moves, magnet and contact end block are also along with moving.

Another feature of this creation is to open room at the either side of push-button socket, for putting magnetic switch into, and with the standing part that gelatin substance is made magnetic switch is fixed in the room 421.Wherein magnetic switch has three

contact chips

61,62,63, and contact chip 61 is a flexible sheets, and contact chip 62 and 63 is a rigid disk, and three contact chips are fixed on earlier on the magnetic switch, with lead-in wire three contact chips is extended to standing part 7 outsides then.Magnetic switch becomes sealing state, is full of nitrogen in inside, and the effect of this nitrogen is when contact chip joins, and prevents the generation of spark.

A kind of sensitive switch of pushing of the utility model, the action of its operation is as described below: at the open-circuit condition of normal condition, public contact chip 61 contacts shape for 62 one-tenth with contact chip usually; And the button spindle of pressing this creation when hand is when moving down, then magnet also moves down, during when magnet magnetic line of force scope and in

Metal Contact sheet

61,62,63, because contact chip 62 and 63 is the former suction affects that is not subjected to magnet of rigid disk, and contact chip 61 is a flexible sheets, when magnet 5 for the attraction of contact chip 61 during greater than the flexible force of contact chip 61, contact chip 61 produces bendings and moves apart contact chip 62, contacts with contact chip 63 in moment; This moment, switch was closed circuit state.When hand one leaves button spindle, spring 45 borrows its bounce to make button spindle 41 bounce-backs to the origin-location, and this moment, the magnetic line of force scope of magnet was left magnetic switch, and metal spring contact chip 61 is borrowed the elastic force of itself the original position of rebounding immediately, and contact with contact chip 62, become the state of open circuit once again.

In the above embodiments, in fact also make two kinds of contacts, do the switching of different purposes, decide by the occasion of using all in closed circuit state.Characteristics by the above this creation push type sensitive switch can know that this creation utmost point is applicable to the place that the open and close number of times is frequent, as the push type sensitive switch of the electronic toy known to holder for TV playing or the common people.

Can prove also that by the above embodiments this creation has many advantages, emphasize that once more branch is set forth in the back:

1, this creation is that button and magnetic switch are integrally combined, and simple structure is saved more materials, installs easily, can save many manpowers at fit on.

2, this creation impels switch motion in the mode in magnetic field; But not the transmission of adopting machinery as the switch of prior art in use switch body can become flexible, needing to adjust screw to suitable position switch could move.The switch of this creation does not have the problem of adjustment, so installation and maintenance are all extremely convenient.

3, the push type sensitive switch of prior art is because the strength of pushing is excessive, and is mechanical drive mode, so only can use about 100,000 times, this creation is that electromagnetic field is made flowing mode, so can use more than 1,000 ten thousand times, prolong useful life, uses so extremely be used in the frequent place of open and close.

4, because this creation is full of nitrogen in switch body, no-spark produced when contact chip contacted, and can save the phenomenon of the complete nothing wearing and tearing of contact chip from damage.

5, this creation contacts contact chip by the magnetic line of force, does not have mechanical loosening phenomenon.

Comprehensive the above, this creation is with regard to the viewpoint of using, the fault chance is less, the life-span long, exempt to adjust, and suitable occasion broadness.With regard to making viewpoint, simple structure, installation are easily.Have practicality and progressive in fact.

Only the above only is one of this creation preferred embodiment, all personages who is familiar with this skill, and according to the technological means of this creation, the equivalent structure of being done under the spirit that does not break away from this creation changes, and must be contained in the patent category of this creation.

Claims

1, a kind of push type sensitive switch, comprise button, magnet, magnetic switch, standing part, push-button socket, installation panel, button spindle, contact chip, room etc., it is characterized in that: described button spindle is located on the push-button socket, magnet is fixed on the button spindle, room is set in the button spindle, and standing part is fixed on magnetic switch in the room, and contact chip is separately fixed on the magnetic switch.

2, a kind of push type sensitive switch according to claim 1, it is characterized in that: described magnetic switch is fixed on the button upper left side.

3, a kind of push type sensitive switch according to claim 1, it is characterized in that: described button and magnetic switch are integrally combined.