CN201025600Y

CN201025600Y - Electric switch

Info

Publication number: CN201025600Y
Application number: CNU2006201604616U
Authority: CN
Inventors: 林资智
Original assignee: Altek Corp
Current assignee: Altek Corp
Priority date: 2006-11-22
Filing date: 2006-11-22
Publication date: 2008-02-20
Anticipated expiration: 2016-11-22

Abstract

The utility model discloses an electric switch which comprises a base body and a control part which can move vertically on the base body. A signal output part which can output pre-set signals through pressing is arranged on the base body. A metal elastic tablet which covers above the signal output part is included as well. Four conductive columns respectively stand on the two opposite sides of the base body. Four slide bars which match and buckle with the conductive columns are arranged protuberantly on the control part. Even though users do not press the center of the control part, the control part can still carry out the pressing action precisely.

Description

Electrical switch

Technical field

The utility model relates to a kind of electrical switch, relates in particular to a kind of by directly pushing the electrical switch with triggering signal.

Background technology

Present being seen electronic product almost needs by the button input structure, and with the function of control execution electronic product, present existing key switch is divided into mechanical type key switch and two kinds of kenels of dome switch (DomeSwitch) haply.

The prior mechanical switch is in keying body and is provided with between the base of electrical contact a cross link mechanism (or claiming scissor bindiny mechanism) is set, so that keying body and base are linked mutually, when the user pushes mechanical switch, cross link mechanism is to slide and rotating manner, make keying body to bottom offset, and, cause electronic installation to carry out the preset function of electrical contact, and after the button pressurized discharges, return back to the home position with the triggering of the protuberance below button electrical contact.

Owing to now the lightening of electronic product more and more paid attention to, be example with the switch that digital camera was adopted, the key switch of digital camera has gradually adopted dome switch (Dome Switch) at present, to reduce the required design space of switch.Wherein, dome switch is provided with a metal clips on the electrical contact on the circuit board, when dome switch is pushed in user's operation, the protuberance of its below is promptly against metal clips, and electrically contact mutually with electrical contact, so that electronic installation is carried out default function, and utilizes the resiliency characteristics of metal clips, make dome switch return back to initial position.

Yet, no matter be mechanical switch or dome switch, in actual use, its key switch is pressed into acentric eccentric position because of the user quite easily, and cause the keying body unbalance stress, cause the protuberance of button can't touch exactly under thin film circuit, and cause invalid input.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of electrical switch, is easy to generate deflection so as to the button input structure of improveing prior art when pushing, and causes the shortcoming of invalid start.

To achieve these goals, electrical switch of the present utility model includes a pedestal and a control piece, wherein pedestal has a signal efferent, and the pedestal peripheral region is erect four guide posts, and on the signal efferent, cover a metal clips, and control piece is arranged on the pedestal movably to concern, control piece has four slide bars corresponding to guide posts, and the difference hook is on guide posts, produce straight-line displacement and push the signal efferent with the guiding control piece, to export a preset signals by metal clips.

Effect of the present utility model is, the control piece utilization is arranged at the slide bar of each corner, with with the mutual hook of the guide posts of pedestal, no matter the user is pressed into any position of control piece, its stressed slide bar is slippage downwards by the guiding of guide posts, and drive other slide bar in the lump and produce displacement, move down to produce corresponding straight line, cause control piece can be pressed into the signal efferent exactly, avoid the user because of being pressed into control piece edge accidentally, and make the pressing position skew, and then produce invalid action.

Above about this novel content explanation and the explanation of following execution mode in order to demonstration and principle of explaining that this is novel, and provide this novel claim further to explain.

Description of drawings

Fig. 1 is a decomposing schematic representation of the present utility model;

Fig. 2 is a schematic perspective view of the present utility model;

Fig. 3 A is the utility model in the generalized section of pressed state not; And

Fig. 3 B is the generalized section of the utility model in pressed state.

Wherein, Reference numeral:

100: electrical switch 110: pedestal

111: signal efferent 1111: contact

1112: pin 112: metal clips

113: guide posts 1131: stop block

120: control piece 121: slide bar

1211: trip 122: press section

Embodiment

Figure 1 and Figure 2 is decomposition of the present utility model and combination schematic diagram.As shown in the figure, the disclosed electrical switch 100 of the utility model includes a pedestal 110 and a control piece 120, wherein pedestal 110 1 sides are provided with a signal efferent 111, and has a contact 1111 corresponding to metal clips 112, and two pins 1112 that extend pedestal 110 sides from contact 1111, contact 1111 tops in signal efferent 111 are provided with a metal clips 112, and erect four guide posts 113 respectively in pedestal 110 side corner peripheral regions, wherein, metal clips 112 can be covered in contact 1111 tops.

And control piece 120 can move freely with vertical direction on pedestal 110 and metal clips 112, and a side of control piece 120 convexes with four slide bars 121 corresponding to guide posts 113, and hook is on the guide posts 113 of pedestal 110 peripheries, optionally push metal clips 112 with guiding control piece 120, and electrically contact with contact 1111, so that signal efferent 111 is exported a preset signals by two pins 1112.Wherein, the preset signals that signal efferent 111 of the present utility model is produced, can be output such as the signal of carrying out function signal, selection function signal, be familiar with this operator and also the preset signals of electrical switch of the present utility model can be changed the preset function that is designed to any existing press-key structure representative, do not exceed with the disclosed embodiment of the utility model.

Refer again to Fig. 1 and Fig. 2, wherein the top of each guide posts 113 stretches out respectively and forms a stop block 1131, and the slide bar 121 on the control piece 120 is respectively equipped with the trip 1211 corresponding to stop block 1131, control piece 120 by trip 1211 and hook in stop block 1131, and be limited to moving range on the pedestal 110, avoiding slide bar 121 to skid off outside the sliding path of guide posts 113, and cause control piece 120 to come off in the awkward situation of pedestal 110.In addition, control piece 120 is provided with a press section 122 with respect to the bottom side of the contact 1111 of signal efferent 111, the user optionally is pressed into metal clips 112 by press section 122, make the electrically contact mutually of metal clips 112 and corresponding contact 1111 so that signal efferent 111 by pin 1112 outputs one preset signals to the electronic installation (not shown).

Fig. 3 A and Fig. 3 B are depicted as the generalized section of the push action state of control piece of the present utility model.Wherein, when control piece 120 is not pressed, its press section 122 is in contact with one another with metal clips 112, and control piece 120 is by the elastic force of metal clips 112, and normality remains in an off-position of not pushing, and trip 1211 hooks of slide bar 121 are in the stop block 1131 of guide posts 113, with the be provided with scope of restriction control piece 120 on pedestal 110; When the user pushes arbitrary position on the control piece 120 arbitrarily, wherein a stressed slide bar 121 will be along guide posts 113 downward slippages, and draw all the other slide bars 121 simultaneously and on the guide posts 113 of correspondence, be moved to pressing position in the lump downwards, make the press section 122 of control piece 120 compress metal clips 112 distortion, and can electrically be contacted with the contact 1111 of signal efferent 111 exactly, carry out default function with output.

The disclosed electrical switch of the utility model, by four on the control piece respectively hooks in the slide bar of guide posts, so that control piece can be in the enterprising line slip displacement of pedestal, and the location between control piece and the pedestal is firm, no matter the user is pressed into any eccentric position of control piece, all can produce corresponding straight-line displacement, cause the control piece can slippage on pedestal straight up and down, and exactly face contact to the signal efferent, to avoid producing the problem of invalid action because of the skew of pressing position.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; be familiar with those of ordinary skill in the art and work as and to make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims

1. an electrical switch is characterized in that, includes:

One pedestal, it has a signal efferent, and erects a plurality of guide posts in this pedestal periphery;

One metal clips, it corresponds to this signal efferent and can be covered on this pedestal; And

One control piece, be arranged on this pedestal movably to concern, this control piece has a plurality of slide bars corresponding to this guide posts, and this slide bar hook is pushed this signal efferent and exported a preset signals by this metal clips to guide this control piece in this guide posts.

2. electrical switch according to claim 1 is characterized in that, each this guide posts is provided with a plurality of stop blocks, and each this slide bar one end is provided with the trip of at least one correspondence in this stop block, and this trip and the mutual hook of this stop block.

3. electrical switch according to claim 1, it is characterized in that, this signal efferent has a contact, and extend at least one pin from this contact, this metal clips is pushed by this control piece, optionally electrically contact, so that this signal efferent is exported this preset signals by this pin with this contact.

4. electrical switch according to claim 1, it is characterized in that, this control piece is provided with one in order to optionally to push the press section of this metal clips, to push this signal efferent by this metal clips and to export this preset signals with respect to a side of this signal efferent.