CN203394197U - Wide-open three-dead-bolt antitheft safety lock - Google Patents

Abstract

The utility model relates to a wide-open three-dead-bolt antitheft safety lock, which consists of a bottom box, a cover box, a bolt panel, dead bolts, a dead bolt pulling plate, a latch bolt, a clamping plate, a linkage piece, a poking wheel, a lower poking piece, a spring hook, an upper poking piece, a latch bolt limiting piece, a U-shaped piece, a dual-spring support piece and a poking piece ejector rod. The cover box is arranged above the bottom box. The bolt panel is installed on the side surface of the bottom box. The dead bolts are connected with the dead bolt pulling plate. A rail groove is arranged at the middle part of the dead bolt pulling plate. The clamping plate is installed on the rail groove. One end of the clamping plate is connected with the dual-spring support piece. The dual-spring support piece is connected with a lever handle assembly through the poking piece ejector rod. The poking wheel penetrates through and fixes the lower poking piece and the upper poking piece. One corner angle of the lower poking piece is connected with the linkage piece. The other corner angle of the lower poking piece is provided with the spring hook and is connected with the poking piece ejector rod. The latch bolt is fixedly arranged at the front end of a latch bolt pulling rod. Two parallel semicircular guide grooves are arranged on the two sides of the latch bolt. A latch bolt spring is installed at the rear end of the latch bolt. One end of the latch bolt spring tightly presses the latch bolt. The other end of the latch bolt spring is fixedly arranged on the U-shaped piece. The latch bolt limiting piece is arranged on the side of the latch bolt pulling rod. The wide-open three-dead-bolt antitheft safety lock is practical, is convenient to operate and is firm.

Description

Open greatly tripartite's tongue safety lock

Technical field:

The utility model relates to a kind of safety lock, and particularly a kind of tripartite's tongue safety lock of opening greatly, simple to operate, can pass through the lock of latch bolt opening square tongue.

Background technology:

Traditional two tongues lock its latch bolt and square tongue separately overlaps independently mechanism operation by two, it is the action of handle general control latch bolt, be provided with in addition the action by key operated shifting block controlling party tongue, when needing sealed side's tongue, operation hand holding lock will insert key like this, it is automatically that door lock is good that latch bolt and square tongue can not interact down, do not possess escaping function, while having an accident in door body, people should rotate handle and open latch bolt assembly, rotate again knob opening square tongue assembly, this can delay escape time for the moment in imminent peril, easily cause unnecessary injures and deaths, structure is also complicated, make troubles to operation practicality, give in user's daily life and make troubles.

Utility model content:

Technical deficiency for existing the said goods, the purpose of this utility model is just to provide a kind of tripartite's tongue safety lock of opening greatly, end box, hamper, lingual surface plate, square tongue, square tongue arm-tie, latch bolt, clamp, double-action plate, thumb wheel, lower plectrum, spring, upper plectrum, latch bolt banking stop, U-shaped, dual spring rack plate, plectrum push rod, consists of.

The utility model solves the technical scheme that its technical problem adopts: box top in the end is provided with hamper ，Di He side lingual surface plate is installed, and lingual surface plate is provided with four square fenestras; Side tongue connection side tongue arm-tie, side's tongue arranges three tongues, the size of three tongues is the same, side establishes rail groove in tongue arm-tie middle part, on rail groove, clamp is installed, clamp one end connects dual spring rack plate, and dual spring rack plate connects handle assembly by plectrum push rod, dual spring rack plate is designed to " 7 " word shape, and plectrum push rod is designed to " T " word shape; Thumb wheel passes and fixes down plectrum, upper plectrum, upper plectrum appearance design picture " racket " shape, and lower plectrum one water caltrop is connected with double-action plate, another water caltrop is provided with spring and is connected with plectrum push rod; Latch bolt is fixed on latch bolt pull bar front end, and latch bolt both sides are provided with the two parallel semicircle guide grooves in road, and latch bolt spring is installed in latch bolt rear end, and latch bolt is pressed in latch bolt spring one end, and the latch bolt spring other end is fixed on U-shaped above, and latch bolt pull bar side is provided with latch bolt banking stop.

The utility model beneficial effect: practical easy to operate, convenient escape, lock body locking is firmly not easy to be opened by force.

Accompanying drawing explanation:

Fig. 1 is structural representation of the present utility model; Fig. 2 is double-action plate structural representation of the present utility model;

In figure, 1, lingual surface plate, 2, end box, 3, hamper, 4, square tongue, 5, square tongue arm-tie, 6, latch bolt, 7, clamp, 8, double-action plate, 9, thumb wheel, 10, lower plectrum, 11, spring, 12, upper plectrum, 13, latch bolt banking stop, 14, plectrum push rod, 15, U-shaped, 16, dual spring support.

The specific embodiment:

As shown in the figure, the interior setting party's tongue of end box 2 assembly, latch bolt assembly and handle assembly, box 2 tops in the end are provided with hamper 3, lingual surface plate 1 is installed in the side of end box 2, and lingual surface plate 1 is provided with four square fenestras, the flexible passage of special use of four the square fenestra side of being tongues 4 and latch bolt 6, and fastening with spiral shell, made lock body, the side's tongue assembly side of comprising tongue 4, square tongue arm-tie 5, clamp 7, double-action plate 8, dual spring support 16, plectrum push rod 14, latch bolt assembly comprises latch bolt 6, latch bolt pull bar, latch bolt banking stop 13, latch bolt spring, latch bolt washer, U-shaped 15, handle assembly comprises thumb wheel 9, upper plectrum 12, upper plectrum 10, spring 11, handle side's bar, side's tongue 4 connection side's tongue arm-ties 5, side's tongue 4 is provided with three tongues, the size of three tongues is the same, 5 li of side's tongue arm-ties are established rail groove, clamp 7 is installed on rail groove, clamp 7 one end connect 16, dual spring support, 16, dual spring support connects handle assembly by plectrum push rod 14, 16, dual spring support is designed to " 7 " word shape, plectrum push rod 14 is designed to " T " word shape, under the effect of spring, clamp 7 in-orbit in groove the movable side of driveing tongue assembly move, or through double-action plate 8 drive sides tongue assembly motion, double-action plate 8 tongue arm-tie 5 front portions, the side of being arranged on, on double-action plate 8, establish rail groove, one end of double-action plate 8 connects handle assembly, the thumb wheel 9 that connects handle assembly passes and fixes down plectrum 10, upper plectrum 12, upper plectrum 12 appearance design picture " racket " shapes, lower plectrum 10 1 water caltrops are connected with double-action plate 8, lower plectrum 8 another water caltrops are provided with spring 11 and are connected with plectrum push rod 14, mounting spring on plectrum push rod 14, upper plectrum 12 connects latch bolt assembly, latch bolt 6 is fixed on latch bolt pull bar front end, latch bolt 6 both sides are provided with the two parallel semicircle guide grooves in road, facilitate latch bolt 6 telescopic movables, latch bolt spring is installed in latch bolt 6 rear ends, latch bolt 6 is pressed in latch bolt spring one end, the latch bolt spring other end is fixed on U-shaped 15, latch bolt pull bar side is provided with latch bolt banking stop 13, latch bolt 6 stops while being reduced to latch bolt banking stop 13, handle and handle side's bar join, tapered end rotates or handle rotating handle side bar drives thumb wheel 9 runnings, also on driving, lower plectrum 10 rotates, on, the lower plectrum side of drive tongue assembly and latch bolt assembly are movable, moving square tongue assembly and latch bolt assembly form whole interactive, can pass through the lock of latch bolt 6 opening square tongues 4.

Claims (5)

1. open greatly tripartite's tongue safety lock for one kind, by end box, hamper, lingual surface plate, square tongue, square tongue arm-tie, latch bolt, clamp, double-action plate, thumb wheel, lower plectrum, spring, upper plectrum, latch bolt banking stop, U-shaped, dual spring rack plate, plectrum push rod, formed, it is characterized in that: box top in the end is provided with hamper, lingual surface plate is installed in Di He side, and lingual surface plate is provided with four square fenestras; Side tongue connection side tongue arm-tie, rail groove is established at square tongue arm-tie middle part, on rail groove, clamp is installed, and clamp one end connects dual spring rack plate, and dual spring rack plate connects handle assembly by plectrum push rod; Thumb wheel passes and fixes down plectrum, upper plectrum, and lower plectrum one water caltrop is connected with double-action plate, another water caltrop is provided with spring and is connected with plectrum push rod; Latch bolt is fixed on latch bolt pull bar front end, and latch bolt spring is installed in latch bolt rear end, and latch bolt is pressed in latch bolt spring one end, and the latch bolt spring other end is fixed on U-shaped above, and latch bolt pull bar side is provided with latch bolt banking stop.

2. tripartite's tongue safety lock of opening greatly according to claim 1, is characterized in that: described square tongue arranges three tongues, and the size of three tongues is the same.

3. tripartite's tongue safety lock of opening greatly according to claim 1, is characterized in that: described dual spring rack plate is designed to " 7 " word shape, and plectrum push rod is designed to " T " word shape.

4. tripartite's tongue safety lock of opening greatly according to claim 1, is characterized in that: described upper plectrum appearance design picture " racket " shape.

5. tripartite's tongue safety lock of opening greatly according to claim 1, is characterized in that: described latch bolt both sides are provided with the two parallel semicircle guide grooves in road.

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