CN201209352Y - Built-in lock password safety device - Google Patents

Abstract

The utility model relates to a code protecting device of a built-in lock, which belongs to a door lock and comprises a code lock plate and a built-in core lock. The code lock plate comprises a base, a code lock and a pickproof sliding plate, and a lock hole, a handspike slideway groove, a code pushing button groove are arranged on the front of the base; the pickproof sliding plate is provided with a handspike and a buckle tongue, and the code lock is arranged in the base; a code pushing button of the code lock is positioned in the code pushing button groove, the pickproof sliding plate is arranged in the base, and the code core lock comprises a core lock base and a core lock handspike; one end of the core lock handspike is provided with a knob, the other end is provided with a lock lever, and the core lock handspike is screwed in the core lock base. The code protecting device is matched with the built-in lock for use, a stranger can not unlock a door under the circumstance of unknowing an unlocking code of the protective device even if the stranger gets the key to the built-in lock of the door.

Description

The built-in lock password security device

Technical field

The utility model relates to a kind of accessory, the lockset on particularly a kind of door.

Background technology

Built-in lock is widely used at various doors, and often theftproof performance is unsatisfactory, easily by the master key technical opening, has very big potential safety hazard, when key loss or after being replicated, owner is at a loss.

The utility model content

The purpose of this utility model is to provide a kind of built-in lock password security device at having the above-mentioned weak point that employed built-in lock exists now, only depends on key and master key technical opening can't open door, to improve the security performance of present built-in lock.

The technical scheme that technical problem adopted that the utility model solves is: comprise password jam plate and dark lock pin lock, the password jam plate comprises pedestal, coded lock, the pick-proof sliding panel, the pedestal front has the lockhole opening, push rod slide groove and password push button groove, the pick-proof sliding panel is provided with push rod and button tongue, coded lock places in the pedestal, the password push button of coded lock is positioned at password push button groove, the pick-proof sliding panel places in the pedestal, push rod is positioned at the push rod slide groove, the pick-proof sliding panel can move along the push rod slide groove, the lockhole of button tongue and coded lock is suitable, coded lock and pick-proof sliding panel are fixed in the pedestal by base, following in off position, when the usefulness push rod was advanced the lockhole of coded lock to the button tongue of pick-proof sliding panel, the pick-proof sliding panel was closed the lockhole opening in pedestal front, when will be in opening, the password push button of coded lock is pushed the password position of setting, and push rod is released the lockhole of coded lock to the button tongue of pick-proof sliding panel, and the pick-proof sliding panel just exposes the lockhole opening in pedestal front; Dark lock pin lock comprises core lock body and core lock push rod, be provided with internal thread in the core lock body, core lock push rod is provided with external screw thread, the external screw thread of core lock push rod and the internal thread of core lock body are suitable, one of push rod of core lock is provided with knob, and other one is provided with locking bar, and core lock push rod is spun in the core lock body, with driving the rotation of core lock push rod in core lock body, core lock push rod is advanced or retreat with the suitable key of knob.

Be provided with erection column in the above-mentioned pedestal, be provided with screw thread in the erection column, the pick-proof sliding panel is provided with the lockhole opening opening of a size with pedestal, the pick-proof sliding panel also is provided with elongated slot, the erection column of pedestal inserts the elongated slot of pick-proof sliding panel, on erection column, pack into spring again, coded lock and pick-proof sliding panel by base with and erection column in the suitable screw of the screw thread established in pedestal.When will be in opening, push rod be released the lockhole of coded lock to the button tongue of pick-proof sliding panel, and the pick-proof sliding panel is consistent with the aperture position of pick-proof sliding panel the lockhole opening in pedestal front, and the lockhole opening just exposes.The elongated slot that the pick-proof sliding panel is provided with has guaranteed that the pick-proof sliding panel can moving when push rod promotes, and spring housing can head on the pick-proof sliding panel on erection column, fixedly pick-proof sliding panel position.

The knob cross section of above-mentioned core lock push rod can be square, also can be triangle, or other shape, can be equipped with suitable key simultaneously.

The beneficial effects of the utility model are: a utility model device and a built-in lock are used, the password jam plate is installed on the door, the locking plate of built-in lock is installed behind the dark lock pin lock, the locking bar of core lock push rod can enter or break away from the locking plate of built-in lock, when the locking plate of locking bar disengaging built-in lock, built-in lock just can be opened with the built-in lock key.Under safety position, can drive the rotation of core lock push rod in core lock body with key earlier, core lock push rod is advanced, locking bar hooks the locking plate of built-in lock, when the usefulness push rod was advanced the lockhole of coded lock to the button tongue of pick-proof sliding panel, the pick-proof sliding panel was closed the lockhole opening in pedestal front.When wanting the arming state, the password push button of coded lock is pushed the password position of setting, push rod is released the button tongue of pick-proof sliding panel the lockhole of coded lock, the pick-proof sliding panel just exposes the lockhole opening in pedestal front, can drive the rotation of core lock push rod in core lock body with key earlier, core lock push rod is retreated, and locking bar breaks away from the locking plate of built-in lock, and built-in lock can be opened with the built-in lock key.The utility model is simple in structure, and attractive in appearance after installing, cost is low, and simple in structure not fragile, using method is convenient, flexible, has both made the stranger obtain the key of door built-in lock, not knowing the unlatching password of safeties, also can't open door.

Description of drawings

Below in conjunction with drawings and Examples utility model is further specified.

Fig. 1 is that the master of the utility model embodiment password jam plate looks schematic diagram;

Fig. 2 is the utility model embodiment password jam plate schematic side view;

Fig. 3 is the structural representation of the dark lock pin lock of the utility model embodiment;

Fig. 4 is that the master of the utility model embodiment pedestal looks schematic diagram;

Fig. 5 is the utility model embodiment pedestal schematic side view;

Fig. 6 is the utility model embodiment pick-proof sliding panel front view;

Fig. 7 is the utility model embodiment pick-proof sliding panel upward view;

Fig. 8 is the utility model embodiment pick-proof sliding panel right view;

Fig. 9 is that the utility model embodiment is installed in the schematic diagram when door is last to be used.

Among the figure: 1, pedestal 2, pick-proof sliding panel 3, coded lock 4, core are locked push rod 5, core lock body 6, base 7, door body 8, locking plate 11, lockhole opening 12, push rod slide groove 13, password push button groove 14, erection column 15, spring 16, screw thread 17, screw 21, push rod 22, are buckled tongue 23, elongated slot 24, opening 31, internal thread 41, knob 42, external screw thread 43, locking bar

The specific embodiment:

In Fig. 4, Fig. 5, pedestal 1 front has lockhole opening 11, push rod slide groove 12 and password push button groove 13, is provided with erection column 14 in the pedestal 1, is provided with screw thread 16 in the erection column 14.In Fig. 6, Fig. 7, Fig. 8, pick-proof sliding panel 2 is provided with push rod 21 and button tongue 22, and pick-proof sliding panel 2 is provided with lockhole opening 11 openings 24 of a size with pedestal 1, and pick-proof sliding panel 2 also is provided with elongated slot 23.As Fig. 1, among Fig. 2, the password jam plate comprises pedestal 1, coded lock 3, pick-proof sliding panel 2, coded lock 3 places in the pedestal 1, the password push button of coded lock 3 is positioned at password push button groove 13, the erection column 14 of pedestal 1 inserts the elongated slot 23 of pick-proof sliding panel 2, on erection column 14, pack into spring 15 again, coded lock 3 and pick-proof sliding panel 2 are fixed in the pedestal by the screw thread 16 suitable screws of establishing in base 6 usefulness and the erection column 14 17 then, push rod 21 is positioned at push rod slide groove 12, pick-proof sliding panel 2 can move along push rod slide groove 12, the lockhole of button tongue 22 and coded lock 3 is suitable, coded lock 3 and pick-proof sliding panel 2 are fixed in the pedestal 1 by base, and the erection column 14 of pedestal 1 inserts the elongated slot 23 of pick-proof sliding panel 2.Pick-proof sliding panel 2 is opening 24 position consistency of the lockhole opening 11 in pedestal 1 front and pick-proof sliding panel 2, and lockhole opening 11 just exposes.The elongated slot 23 that pick-proof sliding panel 2 is provided with has guaranteed that pick-proof sliding panel 2 can moving when push rod 21 promotes, and spring 15 is enclosed within on the erection column 14, can head on pick-proof sliding panel 2, fixedly pick-proof sliding panel 2 positions.In off position down, when usefulness push rod 21 is advanced the lockhole of coded locks 3 to the button tongue 22 of pick-proof sliding panel 2, pick-proof sliding panel 2 is closed the lockhole opening 11 in pedestal 1 front, when will be in opening, the password push button of coded lock 3 is pushed the password position of setting, push rod 21 is the lockhole of the button tongue 22 release coded locks 3 of pick-proof sliding panel 2, and pick-proof sliding panel 2 just exposes the lockhole opening 11 in pedestal 1 front.

In Fig. 3, dark lock pin lock comprises core lock body 5 and core lock push rod 4, is provided with internal thread 31 in the core lock body, and core lock push rod is provided with external screw thread 42, the external screw thread 42 of core lock push rod 4 and the internal thread 31 of core lock body 5 are suitable, 4 one of push rods of core lock are provided with knob 41, and other one is provided with locking bar 43, and core lock push rod 4 is spun in the core lock body 5, the cross section of knob 41 can be square, also can be triangle, or other shape, can be equipped with suitable key simultaneously.With driving the rotation of core lock push rod 4 core lock body 5 in, make core lock push rod 4 and advance or retreat with knob 41 suitable keys.

In Fig. 9, for password jam plate and the dark lock pin of the utility model embodiment are locked the use principle schematic diagram that is mounted in door.Be used with a built-in lock, the password jam plate is installed on the body 7, and the locking plate 8 of built-in lock is installed behind the dark lock pin lock, and the locking bar 43 of core lock push rod 4 can enter or break away from the locking plate 8 of built-in lock, when the locking plate 8 of locking bar 43 disengaging built-in locks, built-in lock just can be opened with the built-in lock key.Under safety position, can drive the rotation of core lock push rod 4 in core lock body 5 with key earlier, core lock push rod 4 is advanced, locking bar 43 hooks the locking plate of built-in lock, when usefulness push rod 21 was advanced the lockhole of coded locks 3 to the button tongue 22 of pick-proof sliding panel 2, pick-proof sliding panel 2 was closed the lockhole opening 11 in pedestal 1 front.When wanting the arming state, the password push button of coded lock 3 is pushed the password position of setting, push rod 21 is released the button tongue 22 of pick-proof sliding panel 2 lockhole of coded lock, the pick-proof sliding panel just exposes the lockhole opening 11 in pedestal front, can drive the rotation of core lock push rod 4 in core lock body 5 with key earlier, core lock push rod 4 is retreated, and locking bar 43 breaks away from the locking plate 8 of built-in lock, and built-in lock can be opened with the built-in lock key.

Claims (4)

1, the built-in lock password security device, it is characterized in that: comprise password jam plate and dark lock pin lock, the password jam plate comprises pedestal, coded lock, the pick-proof sliding panel, the pedestal front has the lockhole opening, push rod slide groove and password push button groove, the pick-proof sliding panel is provided with push rod and button tongue, coded lock places in the pedestal, the password push button of coded lock is positioned at password push button groove, the pick-proof sliding panel places in the pedestal, push rod is positioned at the push rod slide groove, the pick-proof sliding panel can move along the push rod slide groove, and the lockhole of button tongue and coded lock is suitable, and coded lock and pick-proof sliding panel are fixed in the pedestal by base; Dark lock pin lock comprises core lock body and core lock push rod, is provided with internal thread in the core lock body, and core lock push rod is provided with external screw thread, the external screw thread of core lock push rod and the internal thread of core lock body are suitable, one of push rod of core lock is provided with knob, and other one is provided with locking bar, and core lock push rod is spun in the core lock body.

2, built-in lock password security device according to claim 1, it is characterized in that: be provided with erection column in the above-mentioned pedestal, be provided with screw thread in the erection column, the pick-proof sliding panel is provided with the lockhole opening opening of a size with pedestal, the pick-proof sliding panel also is provided with elongated slot, the erection column of pedestal inserts the elongated slot of pick-proof sliding panel, packs into spring again on erection column, coded lock and pick-proof sliding panel by base with and erection column in the suitable screw of the screw thread established in pedestal.

3, built-in lock password security device according to claim 1 and 2 is characterized in that: the knob cross section of above-mentioned core lock push rod is square.

4, built-in lock password security device according to claim 1 and 2 is characterized in that: the knob cross section of above-mentioned core lock push rod is a triangle.

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