CN201738705U - Double lock catch applied to safety guardrail door - Google Patents

Abstract

The utility model relates to a double lock catch applied to a safety guardrail door. The double lock catch comprises an upper handle lock catch and a lower blocking lock catch, wherein the upper handle lock catch consists of a lock catch body, a double-locking lock, a first pressure spring, an upper spring bolt, an upper spring bolt sliding seat, a torsional spring, a second pressure spring and a spring bolt seat cavity; and the lower blocking lock catch consists of a hinge pin roll, a lower spring bolt and a lower spring bolt seat cavity with an inclined plane notch. Compared with the prior art, the double lock catch applied to the safety guardrail door has the following advantages: 1) the safety guardrail door can be opened only by opening the upper handle lock catch and the lower blocking lock catch at the same time, thus ensuring the safety; and 2) the safety guardrail door can be opened only by poking a press button of the double-locking lock inwards and slightly lifting the guardrail door upwards by one hand so as to be very simple in opening, and the safety guardrail door can automatically reset after being opened.

Description

Safety barrier double lock for door button

Technical field:

The utility model relates to a kind of lock or annex; Key-free lock; More specifically to a kind of safety barrier double lock for door button.

Background technology:

At present, existing divider gate relies on an inclined ramp of center hinge mostly on the market, and the gravity by door returns naturally to be shut door automatically, the subsidiary snap close of divider gate usually, and door one pushes away promptly to be opened, and can not play the effect that safety is isolated; Though some divider gates are equipped with snap close, the additional move of finishing the snap close action is too much, can not close automatically, or the snap close effect is undesirable, the external force phenomenon of promptly threading off happens occasionally a little, can't use in some important events, as: the safety door guardrail is installed in the position of stair mouth, will jeopardize the accident of personal safety after child's mistake rushes open the safety barrier door latch.

The utility model content:

The purpose of this utility model be provide at the prior art weak point a kind of simple in structure, action accurately, safety barrier double lock for door button that snap close is firm.

The purpose of this utility model is to realize by following measure: a kind of safety barrier double lock for door button, its special character are, include handgrip snap close, following screens snap close; Wherein:

The described handgrip snap close of going up is by locked body, two roads lock, first stage clip, upper lock tongue, the upper lock tongue sliding seat, torsion spring, second stage clip, dead bolt seat chamber is formed, described two roads lock is by handgrip, neck, two dead bolts are formed, the neck of two roads lock is positioned at the chute of locked body, the handgrip of two roads lock is exposed at outside the locked body outward, two dead bolts are positioned at locked body body internal chute below, first stage clip is installed between two roads lock and the locked body internal chamber wall, upper lock tongue is hinged on the upper lock tongue sliding seat of two dead bolts below by hinge pin, flange on the upper lock tongue sliding seat is positioned at the slippage slot of locked body, second stage clip is installed between upper lock tongue sliding seat and the locked body internal chamber wall, torsion spring one end screens is on upper lock tongue, other end screens is on the upper lock tongue sliding seat, and dead bolt seat chamber contains upper lock tongue seat chamber and two dead bolt seat chambeies and corresponds respectively to the upper lock tongue that is installed on the locked body and two dead bolts of two roads lock;

Described down screens snap close is by the hinge pin axle, dead bolt, the following dead bolt seat chamber that has an inclined ramp notch are formed down, following dead bolt is installed in the safety barrier student door frame by the hinge pin axle, dead bolt tongue place has down dead bolt hole under the lower door frame base of frame, and the following dead bolt seat chamber that has the inclined ramp notch is positioned at the below of safety barrier every frame corresponding to lower door frame base of frame dead bolt hole.

Compared with prior art, owing to adopted the safety barrier double lock for door fastener that the utility model proposes that following advantage is arranged: 1) the last handgrip snap close of safety barrier door and following screens snap close need be opened simultaneously just and can open the safety barrier door, and safety is secure; 2) unlatching of safety barrier door is simple, only need dial inward with handgrip two a roads lock button again divider gate up can be opened once carrying gently, and the safety barrier door can automatically reset after opening.This real new structure is simple, low cost of manufacture, simple installation, esy to use, safe and reliable, can be applicable.

Description of drawings:

Fig. 1 is a handgrip buckle structure schematic diagram on the utility model embodiment.

Fig. 2 is a screens buckle structure schematic diagram under the utility model embodiment.

Fig. 3 is Fig. 2 A-A sectional drawing.

The specific embodiment:

Below in conjunction with accompanying drawing the specific embodiment is elaborated: a kind of safety barrier double lock for door is buckled,, include: go up handgrip snap close 1, following screens snap close 2.

Fig. 1 is a handgrip buckle structure schematic diagram on the utility model embodiment.Among the figure, the described handgrip snap close 1 of going up is made up of locked body 11, two roads lock 12, first stage clip 13, upper lock tongue 14, upper lock tongue sliding seat 15, torsion spring 16, second stage clip 17, dead bolt seat chamber 3, described two roads lock 12 is made up of handgrip 121, neck 122, two dead bolts 123, the neck 122 of two roads lock 12 is positioned at the chute of locked body 11, handgrip 121 outer being exposed at outside the locked body 11 of two roads lock 12, two dead bolts 123 are positioned at locked body 11 body internal chutes below, and first stage clip 13 is installed between two roads lock 12 and locked body 11 internal chamber walls; Upper lock tongue 14 is hinged on the upper lock tongue sliding seat 15 of two dead bolts below by hinge pin, flange 151 on the upper lock tongue sliding seat is positioned at the slippage slot 18 of locked body 11, second stage clip 17 is locked and is installed between upper lock tongue sliding seat 15 and locked body 11 internal chamber walls, torsion spring 16 1 end screens on the upper lock tongue 14, other end screens on upper lock tongue sliding seat 15, the dead bolt seat chamber 3 of last handgrip snap close 1 contains upper lock tongue seat chamber 32 and two dead bolt seat chambeies 31 and corresponds respectively to the upper lock tongue 14 that is installed on the locked body 11 and two dead bolts 123 of two roads lock 12.Under normal conditions, two dead bolts 123 of upper lock tongue 14 and two roads lock 12 are positioned at the upper lock tongue seat chamber 32 and the two dead bolt seat chambeies 31 in handgrip snap close dead bolt seat chamber 3 on safety barrier every frame.When need are opened divider gate with hand propelled on the handgrip 121 of snap close 1, handgrip 121 moves along locked body 11 chutes, two dead bolts 123 overcome in first stage clip, 13 pressure withdrawal locked body, 11 chambeies, when mentioning the safety barrier door again, upper lock tongue 14 is defeated in doorframe upper lock tongue seat chamber 32, overcome the torsion of torsion spring 16, force upper lock tongue 14 down to rotate constraint relief, open the safety barrier door.When resetting, rely on the collision of door, at first two dead bolts 123 of two roads lock 12 overcome in the pressure withdrawal locked body 11 of first stage clip 13, in upper lock tongue 14 and the upper lock tongue sliding seat 15 compressions second stage clip 17 withdrawal locked bodies 11, two dead bolts 123, upper lock tongue 14 with rotation two roads of door lock 12 enter in the last handgrip snap close 1 dead bolt seat chamber 3 of doorframe, pinning safety barrier door.

Fig. 2～Fig. 3 is a screens buckle structure schematic diagram under the utility model embodiment.Among the figure, described down screens lock 2 is by hinge pin axle 21, dead bolt 22, the following dead bolt seat chamber 24 that has inclined ramp 23 notches are formed down, following dead bolt 22 is installed in the safety barrier student door frame by hinge pin axle 21, dead bolt tongue place has dead bolt hole 25 under the lower door frame base of frame, and the following dead bolt seat chamber 24 that has the inclined ramp notch is positioned at the below of safety barrier every frame corresponding to divider gate lower door frame base of frame dead bolt hole 25; When last the lock constraint relief after the safety barrier door be raised, following dead bolt 22 tongues are extracted from the following dead bolt seat chamber 24 of safety barrier every frame, constraint relief can freely be opened.When horizontal reset, following dead bolt 22 tongues rely on 23 times dead bolts in inclined-plane of 24 outsides, dead bolt seat chamber simultaneously to rotate one side around hinge pin axle 21 and upwards promote, and 23 backs, leap inclined-plane dead bolt 22 tongues down fall into down in the dead bolt seat chamber 24, pin the safety barrier door.

The foregoing description does not constitute restriction of the present utility model, and all employings are equal to the technical scheme that form obtained of replacement or equivalent transformation, all drop within the protection domain of the present utility model.

Claims (1)

1. safety barrier double lock for door button, its special character be, includes handgrip snap close, screens snap close down; Wherein:

The described handgrip snap close of going up is by locked body, two roads lock, first stage clip, upper lock tongue, the upper lock tongue sliding seat, torsion spring, second stage clip, dead bolt seat chamber is formed, described two roads lock is by handgrip, neck, two dead bolts are formed, the neck of two roads lock is positioned at the chute of locked body, the handgrip of two roads lock is exposed at outside the locked body outward, two dead bolts are positioned at locked body body internal chute below, first stage clip is installed between two roads lock and the locked body internal chamber wall, upper lock tongue is hinged on the upper lock tongue sliding seat of two dead bolts below by hinge pin, flange on the upper lock tongue sliding seat is positioned at the slippage slot of locked body, second stage clip is installed between upper lock tongue sliding seat and the locked body internal chamber wall, torsion spring one end screens is on upper lock tongue, other end screens is on the upper lock tongue sliding seat, and dead bolt seat chamber contains upper lock tongue seat chamber and two dead bolt seat chambeies and corresponds respectively to the upper lock tongue that is installed on the locked body and two dead bolts of two roads lock;

Described down screens snap close is by the hinge pin axle, dead bolt, the following dead bolt seat chamber that has an inclined ramp notch are formed down, following dead bolt is installed in the safety barrier student door frame by the hinge pin axle, dead bolt tongue place has down dead bolt hole under the lower door frame base of frame, and the following dead bolt seat chamber that has the inclined ramp notch is positioned at the below of safety barrier every frame corresponding to lower door frame base of frame dead bolt hole.

Images