CN2264961Y - Spring contactor of push-button switch - Google Patents

Abstract

The utility model relates to a spring sheet pushing unit of a key type switch, particular to a pressing unit of the key type switch, enabling the key type switch to be safer and to meet the national specification of safety while electricity leakage of a key can be completely avoided. The utility model comprises a key seat, a fastening section sheet, a shifting section sheet, a plurality of keys, a plurality of springs, a plurality of push blocks and a plurality of supporting sheets. The components are combined together to form the safe key type switch.

Description

The spring contactor of key switch

The utility model relates to a kind of spring contactor of key switch.

General key switch its action as shown in Figure 1 is with hand button 1 to be pressed into keyseat, sheet 12 stressed pressing down of button 1 below when pressing down, relatedly push jack 13 by sheet 12 folder ranks is pressed down and compress reed 2, reed 2 is contacted with the conductive copper sheet 3 of keyseat and conduct electricity, however all shortcoming below on it uses, still existing:

1, the key switch structure is to guarantee the insulating properties of this structure, prop up between sheet 12 and the reed 2 and will respectively be provided with safe distance A, yet this sheet 12 is metal (conductor) with reed 2, and for asking the elasticity of reed 2, so reed 2 is a little less than a thin slice body and the drag, if careless when production or product examine, cause these reed 2 distortions and contact the then easy danger that electric shock takes place with the conductive copper sheet 3 of a sheet 12 or keyseat.

2, practise the personal distance A of formula key switch, easy flashing when switch switches, very dangerous, and when the bigger load of power is switched, easier causing danger.

3, the pushing structure of practising the reed 2 of formula key switch is to hold in the mouth a push jack 13 in sheet 12 therebetween, and it is with lower edge nose pushing reed 2, however when producing rank to establish push jack very inconvenient, cause cost of labor to increase.

The creator in view of the foregoing, be to do one's utmost the research improvement, develop the reed that a kind of key switch and push away and touch constructional device improvement, when producing so that industry to be provided by this structure, its safety requirements also can decline to a great extent with guarantee electricity safety and its production cost more really.

In view of this, main purpose of the present utility model is to provide a kind of spring contactor of key switch, can meet safety requirements really, with the electric safety of guaranteeing, also reduces the cost of labor of producing.

The spring contactor of the key switch that provides according to the utility model, it is made up of a keyseat, an insertion section, a shifted segments sheet, plurality of keys, some springs, some pushing blocks and some sheets, wherein:

This keyseat is the pedestal of one one-tenth Jiong type, establish some holes on its face and collude the hole, the turnover downwards of both sides outer rim meet at right angles with the keyseat face and be provided with in collude body, the middle part is then concordant with the keyseat face constant and be provided with screw, this keyseat colludes the button hole that body is sheathed on a base with interior, establish on this base a copper sheet and with the corresponding reed of button, and in reed eat dishes without rice or wine the below base be provided with the cross mouth, wear pushing block with appearance;

This insertion section is to establish some recesses on the lengthy motion picture body, and this recess one side is the slope, and opposite side is for colluding groove, and two ends are provided with flange, and this insertion section is inserted and held in the mouth in the side opening of keyseat, and left flange folder rank one spring is in the keyseat inboard;

This shifted segments sheet is that a short-movie body is provided with two chevron crests, and summit is provided with a button hook, and it is fastened on the hole of colluding on the keyseat face;

Be stress surface (hand contact-making surface on time) on the face of the key body of plurality of keys, and the back of the body is provided with jack and plugs for sheet, and fit spring under this key body, and passed spring and plugged together in the lower edge of key body by the plush copper of a sheet, a sheet lower edge is placed in the keyseat;

Some springs are tapered spring, and this spring is located between button and the keyseat face and the ejection button;

The hole that the upper limb plush copper of some sheets is passed the keyseat face is sleeved on the button lower edge, the cross bore that a then sheathed pushing block of sheet lower edge passes reed and base, and this sheet one lateral margin is provided with cross bar;

Some pushing blocks are microscler ducted body, and its upper end is provided with short projection to be engaged in the tail end of a sheet outside eating dishes without rice or wine for eating dishes without rice or wine, and eating dishes without rice or wine of this reed and base body are passed in the lower end of this pushing block.

Below with regard to element of the present utility model and specific embodiment thereof, conjunction with figs. describe in detail as after.

Fig. 1 is a habit formula key switch schematic perspective view.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is an actuation of keys schematic diagram of the present utility model ().

Fig. 4 is an actuation of keys schematic diagram of the present utility model (two).

Fig. 5 is the specific embodiment of the utility model schematic diagram.

See also shown in Figure 2ly, the utility model is made up of a keyseat 8, an insertion section 5, a shifted segments sheet 6, plurality of keys 4, some springs 44, some pushing blocks 43 and some sheets 42, wherein:

This keyseat 8 is the pedestal of one one-tenth Jiong type, establish some holes 811 on its face and collude hole 812, both sides outer rim 82 turnover downwards meet at right angles with the keyseat face and be provided with in collude body 821, middle part 81 is then concordant with the keyseat face constant and be provided with screw 813, keyseat 8 colludes the button hole 831 that body 821 is sheathed on base 83 with interior, establish on this base 83 copper sheet 832 and with button 4 corresponding reeds 833, and be provided with cross mouth 835 in the base 83 of 834 belows of eating dishes without rice or wine of reed 833, wear pushing block 43 with appearance;

This insertion section 5 is to establish some recesses 51 on the lengthy motion picture body, and these recess 51 1 sides are slope 511, and opposite side is for colluding groove 512, and two ends are provided with flange 52,53, this insertion section 5 is inserted and is held in the mouth in the side opening 822 of keyseat 8, and left flange 53 folder ranks one spring 531 is in keyseat 8 inboards;

This shifted segments sheet 6 is that a short-movie body is provided with two chevron crests 61,62, and summit is provided with a button hook 63, colludes hole 812 with what be fastened on the keyseat face;

On the face of the key body of plurality of keys 4 stress surface 41 (hand contact-making surface on time), the back of the body is provided with jack and plugs for a sheet 42, and fit spring 44 under this key body, and pass spring 44 and plug together in key body lower edge by the plush copper 421 of sheet 42, sheet 42 lower edge is placed in the keyseat 8;

Some springs 44 are tapered spring, and this spring 44 is located between button 4 and the keyseat 8 and ejection button 4;

Some pushing blocks 43 are a microscler ducted body, and its upper end is for eating dishes without rice or wine 431 to be engaged in the tail end 422 of sheet 42, and 431 outsides of eating dishes without rice or wine are provided with short projection 432, and what reed 833 was passed in the lower end of pushing block 43 eats dishes without rice or wine 834 and base 83 bodies;

The hole 811 that the upper limb plush copper 421 of some sheets 42 is passed keyseat 8 is sleeved on button 4 lower edges, the cross bore 835 that a then sheathed pushing block 43 of sheet 42 lower edges passes reed and base 83, and these sheet 42 1 lateral margins are provided with cross bar 423;

This button can be placed in the relevant electrical appliance by above-mentioned structure, so that complete formula insulation button to be provided, to guarantee Electrical Safety.

When using the utility model, as shown in Figure 3, with hand button 4 is pressed into keyseat 8, when being pressed into, 423 of the cross bars of this sheet 42 are passed insertion sections 5 and are slipped into and collude groove 512 along the groove slope 513 of colluding of insertion section 5, because of the thrust of the spring 531 of insertion section 5 lateral margins is located insertion section 5 return jam cross bars 423, sheet 42 lower edges connect the pushing block of establishing 43 and then the reed 833 of base 83 are pressed down, reed 833 is contacted with the copper sheet 832 of base 83 and conduct electricity (as shown in Figure 5), when desiring handoff functionality, as shown in Figure 4, directly press another button 4, the cross bar 423 of sheet 42 lateral margins of these button 4 belows also slips into and colludes groove 512 and the jam location along the groove slope 513 of colluding of insertion section 5, when gliding, this cross bar 423 is also with the chevron crest 61 on the shifted segments sheet 6,62 lateral margin 611,621 to downslide, thereby promote shifted segments sheet 6, make the chevron crest 61 of shifted segments sheet 6,62 lateral margin 611,621 passing are dissolved in the cross bar 423 that colludes in the groove 512, cross bar 423 is passed and shifted out the active zone that colludes groove 512, and the thrust that is sheathed on the spring 44 under the button 4 is retracted the position on also and is no longer pressed and touch reed 833 pushing away a related sheet 42 that button 4 is connect establish on the button 4, make reed 833 returns, so, the back by button 4 can enter keyseat 8 and reed 833 is pressed down conduction, and button 4 displacement of previous jam jumped out of and form automatic switchover.

In sum, simple in structure, assembling of the present utility model easily, and with insulation pushing block fit prop up sheet and the ejection reed with isolated conduction, and not completely cut off conduction, with the shortcoming of solution habit formula and reduce production costs real tool industrial benefit with the spacing isolation method of practising formula.

Claims (1)

1. A kind of spring contactor of key switch, it is made up of a keyseat, an insertion section, a shifted segments sheet, plurality of keys, some springs, some pushing blocks and some sheets, wherein:

   This keyseat is the pedestal of one one-tenth Jiong type, establish some holes on its face and collude the hole, the turnover downwards of both sides outer rim meet at right angles with the keyseat face and be provided with in collude body, the middle part is then concordant with the keyseat face constant and be provided with screw, this keyseat colludes the button hole that body is sheathed on a base with interior, establish on this base a copper sheet and with the corresponding reed of button, and the base in the below of eating dishes without rice or wine of reed is provided with and holds the cross mouth wear pushing block;

   This insertion section is to establish some recesses on the lengthy motion picture body, and this recess one side is the slope, and opposite side is for colluding groove, and two ends are provided with flange, and this insertion section is inserted and held in the mouth in the side opening of keyseat, and left flange folder rank one spring is in the keyseat inboard;

   This shifted segments sheet is that a short-movie body is provided with two chevron crests, and summit is provided with a button hook, and it is fastened on the hole of colluding on the keyseat face;

   Be hand stress surface on time on the face of the key body of plurality of keys, and the back of the body is provided with the jack that plugs for sheet, and fit spring under this key body, and is passed spring and plugged together in the lower edge of key body by the plush copper of a sheet, a sheet lower edge is placed in the keyseat;

   Some springs are tapered spring, and this spring is located between button and the keyseat face and the ejection button;

   The hole that the upper limb plush copper of some sheets is passed the keyseat face is sleeved on the button lower edge, the cross bore that a then sheathed pushing block of sheet lower edge passes reed and base, and this sheet one lateral margin is provided with cross bar; It is characterized in that:

   Some pushing blocks are microscler ducted body, and its upper end is for engaging eating dishes without rice or wine of a sheet tail end, and the outside of eating dishes without rice or wine is provided with short projection, and eating dishes without rice or wine of this reed and base body are passed in the lower end of this pushing block.

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