CN202454950U - Safety locking hook mechanism for switch apparatus - Google Patents

Abstract

The utility model relates to a safety locking hook mechanism for a switch apparatus, aiming at solving the problem that a drawer deviates from the switch apparatus when being pulled out in the prior art. The safety locking hook mechanism is characterized by comprising a drawer side plate, a locking hook, a fixed screw, a screw, a nut and a bracket, wherein the locking hook is fixed on the drawer side plate by the fixed screw; the other end of the locking hook is provided with the screw and the nut, so that the position of the locking hook can be limited, and the locking hook can be automatically reset; and the locking hook is connected with the bracket in a hanging way. The safety locking hook mechanism has the beneficial effects of being convenient and practical, and preventing the drawer from hurting an operator when being pulled out and falling down.

Description

Switchgear safety lock hook mechanism

Technical field

The utility model relates to the electric equipment field, refers to a kind of switchgear safety latch hook especially.

Background technology

Low voltage switchgear (hereinafter to be referred as switchgear) draw-out type functional units drawer; In maintenance, need pull out when safeguarding, too small then can not pull of when pulling out, exerting oneself come, if firmly excessive; Then can pull out the disengaging switchgear to whole drawer, cause whole drawer to fall down and injure operating personnel by a crashing object.Before whole drawer breaks away from switchgear, do not prevent the safety device that drawer is drawn out.If existing draw-out type functional units drawer firmly excessive, then can be pulled out the disengaging switchgear to whole drawer when pulling out, cause whole drawer to fall down and injure operating personnel by a crashing object.Before whole drawer breaks away from switchgear, do not prevent the safety device that drawer is drawn out, this is its shortcoming.

Summary of the invention

The purpose of the utility model is: a kind of switchgear safety latch hook is provided: exist drawer to pull out the problem that breaks away from switchgear to solve prior art.

Reaching the technical scheme that the purpose of the utility model takes is: a kind of switchgear safety lock hook mechanism; It is characterized in that: comprise drawer side, latch hook, hold-down screw, screw and nut, support; Latch hook is fixed on the drawer side through hold-down screw; The other end of latch hook is loaded onto screw and nut, plays the position and the automatically reset effect of restriction latch hook, and latch hook articulates with support.

Adopt the utility model draw-out type functional units drawer, firmly excessive overhauling, need pulling out when safeguarding for preventing when pulling out, pull out the disengaging switchgear to whole drawer, cause whole drawer to fall down the accident that injures operating personnel by a crashing object.A safe latch hook is set on the side plate of drawer, and drawer breaks away from before the switchgear in the process of pulling out soon; Safe latch hook on the drawer side stays in drawer-lock on the switchgear; Open safe latch hook at last, pull out whole drawer, injure operating personnel by a crashing object to prevent that drawer from falling down when pulling out.

The beneficial effect that the utility model reaches is: adopt the utility model to reach convenient and practical, prevent that drawer from falling down the beneficial effect that injures operating personnel by a crashing object when pulling out.

Description of drawings

Fig. 1: the architectural feature of the utility model.

Embodiment

A kind of switchgear safety lock hook mechanism; It is characterized in that: comprise drawer side 1, latch hook 2, hold-down screw 3, screw and nut 4, support 5; Latch hook 2 is fixed on the drawer side 1 through hold-down screw 3; The other end of latch hook 2 is loaded onto screw and nut 4, plays the position and the automatically reset effect of restriction latch hook 2, and latch hook 2 articulates with support 5.

When drawer pushed switchgear, latch hook 2 was a fulcrum with hold-down nut 3 under the effect of support 5, and the upper end of latch hook 2 rotates, and the locking of latch hook 2 is disengaged, and drawer can push switchgear.Drawer is pulled out in the process of switchgear, and the latch hook 2 on the drawer side 1 catches on the support 5 on the switchgear, and drawer can not be pulled out again; Up rotate with the lower end (screw and nut 4 one ends are housed) that finger catches on latch hook 2 this moment; The upper end of latch hook 2 is that fulcrum rotates with hold-down nut 3, and the locking of latch hook 2 is disengaged, and is pulled outwardly drawer simultaneously; Like this, promptly from switchgear, pull out whole drawer.

The effect of the utility model structure: the draw-out type functional units drawer, in pulling out the process of switchgear, the latch hook 2 on the drawer side 1 catches on the support 5 on the switchgear; Latch hook 2 plays a part locking, and whole drawer can not be pulled out again, and up rotate with the lower end (screw and nut 4 one ends are housed) that finger catches on latch hook 2 this moment; Remove the locking of latch hook 2; Be pulled outwardly drawer simultaneously, like this, promptly from switchgear, pull out whole drawer.Can prevent drawer like this when pulling out, owing to exert oneself excessively to pull out the accident that injures operating personnel by a crashing object that falls down to whole drawer.

Claims (1)

1. switchgear safety lock hook mechanism; It is characterized in that: comprise drawer side, latch hook, hold-down screw, screw and nut, support; Latch hook is fixed on the drawer side through hold-down screw; The other end of latch hook is loaded onto screw and nut, plays the position and the automatically reset effect of restriction latch hook, and latch hook articulates with support.