CN2240194Y - Single blade key switch - Google Patents

Abstract

The utility model relates to a single blade key switch, which is formed by the combination of a key body, a long electrode sheet which is fixed on the body and, a short electrode sheet which is fixed on the body and a control lever. The long electrode sheet is provided with a spring lamination seat; two spring laminations which are respectively an upper spring lamination and a lower spring lamination are inserted and folded on the spring lamination seat; a movable piece with spring lamination hole is clamped with the upper spring lamination by combination and is connected with the control lever; when the control lever is pressed and the electric conducting point on the bottom of the movable piece is separated with the short electrode piece, the utility model is in a power-off state; when the control lever is pressed and the two spring laminations immediately change the original positions after pressed with deformation, current is rapidly switched on; therefore, the current flow of the switched on current can not be attenuated and the startup of a device can not be influenced, owing to gap discharge; the service life of the switch is prolonged.

Description

The hilted broadsword key switch

The utility model relates to a kind of hilted broadsword key switch.

Mains switch is that the power turn-on or the important control of closing do not have part, the hilted broadsword key switch of commonly using, power switch structure exploded perspective view as Fig. 1, shown in the profile after the mains switch combination of Fig. 2, its structure mainly is the control lever 2A lower end in Switch main body 1A, cooperate spring 3A that one press block 4A is set, in body 1A inner bottom part several electrode slice 5A are set again, card is established a seesaw piece 6A again between press block 4A and electrode slice 5A, seesaw piece 6A middle part is located on the electrode slice 5A, when press block 4A presses down seesaw piece 6A, the other end of seesaw piece 6A then can upwarp, and with conducting or the interruption of control electrode sheet 5A, this structure is when control lever 2A push action is slow, press block 4A also slowly contacts with seesaw piece 6A, impel when the contact jaw of seesaw piece 6A and electrode slice 5A will be pressed close to, produce electric discharge phenomena, like this after current lead-through, because of electric current discharges, high-power equipment is formed undercurrent, this equipment can't be driven, even can influence the useful life of equipment or part assembly and switch.

The purpose of this utility model is that a kind of hilted broadsword key switch will be provided, and it is the conducting electric current fast, so that sufficient moment starting current to be provided, and prolongs switch useful life.

The purpose of this utility model is achieved in that this hilted broadsword key switch, by keying body, the long and short two electrode slice and the control lever that are fixed on the body combine, on the long electrode sheet, be provided with the shell fragment seat, two have the opposite shell fragment up and down of acute angle direction and intert superimposed on the shell fragment seat, the activity template that has a shell fragment hole fastens with last shell fragment and is connected with control lever, push control lever, when the conductiving point of activity template bottom separates with the noncontinuous electrode sheet is off-position, push control lever, can make the rapid conducting of electric current when making behind the two shell fragment compressive deformations the original position of conversion immediately.

The utility model because of be equipped with on the long electrode sheet two have the acute angle direction opposite and intert mutually superimposed on; following shell fragment; this long electrode sheet and activity template fasten; and activity template top cover is stuck on the control lever; when switch is in off-position; pushing control lever can force activity template to advance; make two shell fragments; suppress mutually; when two shell fragment pressurizeds reach certain deflection; it is convertible original position; the conductiving point of activity template bottom is contacted with the noncontinuous electrode sheet rapidly under the shell fragment effect; the rapid conducting of electric current; thereby electric current can not weakened because of gap discharge causes the magnitude of current; influence device start, the safe handling of protection equipment or part assembly and switch increases the service life.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof:

Fig. 1 is the mains switch exploded perspective view of commonly using

Fig. 2 is the mains switch combination back profile of commonly using

Fig. 3 is an exploded perspective view of the present utility model

Fig. 4 is the utility model combination back stereogram

Fig. 5 is the utility model embodiment action diagram ()

Fig. 5 is the utility model embodiment action diagram (two)

Describe in detail below in conjunction with accompanying drawing

With reference to Fig. 3-6, this hilted broadsword is pressed the chain switch by keying body, electrode slice and control lever assemble, indent slotted eye 11 bottoms of keying body 10, fixedly install a long electrode sheet 20 and a noncontinuous electrode sheet 30, protrusion is provided with a shell fragment seat 21 in long electrode sheet 20 upper ends, fixedly install a conductiving point 31 in noncontinuous electrode sheet 30 1 sides, on shell fragment seat 21, be provided with two have the acute angle direction opposite and intert mutually superimposed on, following shell fragment 40,50, be provided with fixing hole 41 at last shell fragment 40 tops, a long guide groove 42 is established in the bottom, end after last shell fragment 40 bendings is provided with draw-in groove 43, be provided with long guide groove 51 in the middle of the shell fragment 50 down, all be respectively equipped with recessed draw-in groove 52 in the both sides of bending end on following shell fragment 50 times, be provided with activity template 60 in following shell fragment 50 outsides, vertically bend in activity template 60 both sides, the middle shell fragment hole 61 that forms, the projection 62 that 61 upper ends, shell fragment hole are provided with downward protrusion and fasten with the fixing hole 41 of last shell fragment 40, activity template 60 fastens with last shell fragment 40, be provided with the fixedly conductiving point 63 of protrusion in activity template 60 bottoms, activity template 60 tops cover is stuck in the promotion groove 71 of control lever 70 bottoms, and the outer end that control lever 70 stretches out body 10 is with spring 72, clasp 73, coat with enclosing cover 74 and guide rod 75.

During use, push control lever 70, activity template 60 is also in company with movable, when the conductiving point 31 of the conductiving point 63 of activity template 60 bottoms and noncontinuous electrode sheet 30 is in released state, is off-position, as shown in Figure 5; Push control lever 70, force activity template 60 in company with advancing, borrow suppressing mutually of two shell fragments 40,50, when extruding reaches the certain deflection of generation, Fig. 6 with long and short electrode slice 20,30 conductings, is seen in the position that conversion immediately is original, be difficult for because of gap discharge weakens electric current the generation of problems such as the difficult startup of equipment thereby reach.

Claims (1)

1, a kind of hilted broadsword key switch is assembled by keying body, electrode slice and control lever, it is characterized in that:

Indent slotted eye (11) bottom of keying body (10), fixedly install a long electrode sheet (20) and a noncontinuous electrode sheet (30), protrusion is provided with a shell fragment seat (21) in long electrode sheet (20) upper end, fixedly install a conductiving point (31) in noncontinuous electrode sheet (30) one sides, on shell fragment seat (21), be provided with two have the acute angle direction opposite and intert mutually superimposed on, following shell fragment (40), (50), be provided with fixing hole (41) at last shell fragment (40) top, a long guide groove (42) is established in the bottom, end after last shell fragment (40) bending is provided with draw-in groove (43), be provided with long guide groove (51) in the middle of the shell fragment (50) down, both sides at following shell fragment (50) bottom bending end are respectively equipped with recessed draw-in groove (52), be provided with activity template (60) outside the shell fragment (50) down, vertically bend in activity template (60) both sides, the middle shell fragment hole (61) that forms, the projection (62) that shell fragment hole (61) upper end is provided with downward protrusion and fastens with the fixing hole (41) of last shell fragment (40), activity template (60) fastens with last shell fragment (40), be provided with the fixedly conductiving point (63) of protrusion in activity template (60) bottom, activity template (60) top cover is stuck in the promotion groove (71) of control lever (70) bottom, and the outer end that control lever (70) stretches out body (10) is with spring (72), clasp (73), coat with enclosing cover (74) and guide rod (75).

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