CN2482206Y - Isolating switch - Google Patents

Abstract

The utility model relates to a disconnecting switch, which includes a casing, a static contact, a moving contact, and an operating handle. A safety ring hinged on the operating handle and a hanging flute on the casing are arranged, when the disconnecting switch is turned on, the safety ring is hanged on the hanging flute, to avoid the accidental switch-on, thus the deficiency that a safety device in the prior art is easy to lose and drop out is overcome, and the reliability is improved.

Description

Isolating switch

The utility model relates to a kind of isolating switch.

Common isolating switch is not owing to establish safeties; under the state of opening; cause combined floodgate through regular meeting owing to touching operating grip because of carelessness; produce unexpected; therefore the part isolating switch is provided with safeties now; announce on December 1st, 1999; application number is: 98224507; name is called in the patent of " with the modularization isolating switch of obvious fracture " and discloses a kind of isolating switch that has safeties; operating grip is provided with pin hole in this isolating switch; when isolating switch is opened, can in pin hole, insert latch, avoid unexpected and close a floodgate; but because latch is not to invest on the isolating switch; be very easy to come off and lose, reliability is not high, and uses inconvenient yet.

The utility model purpose is to overcome the deficiencies in the prior art and a kind of have high safety reliability, the isolating switch that has safeties easy to use is provided.

The utility model comprises shell, fixed contact, moving contact and operating grip member, it is characterized in that being hinged on described isolating switch shell or the operating grip and be provided with the close switch insurance ring, another member is provided with the relieving ring hanging groove, when isolating switch is opened, relieving ring can buckle at hanging groove, prevents the unexpected combined floodgate of operating grip.

As shown from the above technical solution, relieving ring of the present utility model is to be hinged on isolating switch, therefore will not come off or lose, when isolating switch is opened, only needs whip relieving ring buckled on hanging groove and gets final product, and uses very convenient.

The utility model is further elaborated and provides embodiment below in conjunction with accompanying drawing.

Fig. 1 is a present embodiment "on" position structure chart;

Fig. 2 is a present embodiment off-state structure chart.

Referring to Fig. 2, this isolating switch also comprises operating grip 2, shell 1, moving contact 6, fixed contact 5 members, operating grip 2 lateral surface tops are provided with two hinge projections 7, be provided with cross through hole in the hinge projection 7, " protruding " shape relieving ring 3 bases penetrate to hang on it in the hole and form hinge movingly with through hole and connect, operating grip 2 open direction below be provided with on the shell and buckle projection 8, buckle projection 8 and be provided with the horizontal hanging groove 4 that matches with " protruding " shape relieving ring 3 shoulder rank, the position that buckles projection 8 and hanging groove 4 is positioned at that relieving ring 3 can buckle on hanging groove 4 just when isolating switch is opened.

Claims (3)

1, a kind of isolating switch, comprise shell, fixed contact, advise contact and operating grip member, it is characterized in that: described isolating switch shell (1) or operating grip (2) are gone up to be hinged and are provided with close switch insurance ring (3), another member is provided with relieving ring (3) hanging groove (4), when isolating switch is opened, relieving ring (3) can buckle in hanging groove (4), prevents the unexpected combined floodgate of operating grip.

2, isolating switch according to claim 1, it is characterized in that: operating grip (2) is provided with hinge projection with holes (7), relieving ring (3) is through and hangs on it in the hole, and constitute the hinge structure with operating grip (2), be provided with on-hook projection (5) on the shell below operating grip (2) is opened direction, projection (5) is provided with the hanging groove (4) that matches with relieving ring (3).

3, according to claim 1 or 2 described isolating switches, it is characterized in that: described relieving ring (3) is " protruding " shape, and boss partly is a draw ring, and the shoulder rank partly cooperate with hanging groove (4).

Images