CN218970877U - Universal unlocking device for antitheft door - Google Patents

Abstract

The universal unlocking device for the burglary-resisting door comprises a square hole locking insert, a connecting rod, a supporting rod, a holding part and a bolt unscrewing piece which are all made of tin bronze; the square hole locking insert is of a regular quadrangular frustum pyramid structure, the front end of the square hole locking insert is thinner than the rear end of the square hole locking insert, the bolt unscrewing piece comprises an inserting part and a pressing block, the inserting part is in a round rod shape, and the pressing block is in a square shape; the connecting rod is arranged in the middle of the universal unlocking device of the burglary-resisting door, the front end of the connecting rod is hinged with the rear end of the square hole inserting piece, the rear end of the connecting rod is connected with the front end of the supporting rod, the supporting rod is fixedly connected with the middle part of the front end of the holding part, the middle part of the rear end of the holding part is fixedly connected with the front end of the inserting part, and the pressing block is fixedly connected to the side face of the inserting part. The square hole inserting piece of the lock can be inserted into the square hole of the anti-theft door lock to unlock, and the bolt unscrewing piece can be inserted into the square bolt of the lock hole of the anti-theft door lock to unlock the anti-theft door lock quickly after the panel of the anti-theft door lock is dismantled, so that the anti-theft door lock has small occupied space and is easy to store and carry.

Description

Universal unlocking device for antitheft door

Technical Field

The utility model relates to the field of fire-fighting unlocking equipment, in particular to a universal unlocking device for a burglary-resisting door.

Background

As is well known, in daily life, fire rescue requiring unlocking occasionally occurs, and in fire rescue, some tools are required to be used for door opening rescue, and the unlocking rescue tools are equipment used for rescue of fire fighters.

However, the existing door opening apparatus for fire rescue is mainly composed of an iron hammer, a crow bar, a screwdriver, a hook and the like, and all parts of the door opening apparatus are mutually independent, are not integrated, and are not designed to be good for the internal structure of the anti-theft door lock. Particularly, after the panel of the current anti-theft door lock is removed, the internal structure of the anti-theft door lock is relatively complex, each part is compact, the size of a lock hole is different, and the anti-theft door lock is difficult to unlock in a short time by using a traditional unlocking tool.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.

Disclosure of Invention

In order to solve the technical problems, we provide a universal unlocking device for the burglary-resisting door, which can rapidly unlock the burglary-resisting door lock after the panel of the burglary-resisting door lock is dismantled, has small occupied space and is easy to store and carry.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the universal anti-theft door unlocking device comprises a square lock hole inserting piece, a connecting rod, a supporting rod, a holding part and a lock tongue unscrewing piece which are all made of tin bronze; the square hole locking insert is of a regular quadrangular frustum pyramid structure, the front end of the square hole locking insert is thinner than the rear end of the square hole locking insert, the bolt unscrewing piece comprises an insertion part and a pressing block, the insertion part is in a round rod shape, and the pressing block is in a square shape; the connecting rod is arranged in the middle of the universal anti-theft door unlocking device, the front end of the connecting rod is hinged with the rear end of the square hole locking insert, the rear end of the connecting rod is connected with the front end of the supporting rod, the supporting rod is fixedly connected with the middle of the front end of the holding part, the middle of the rear end of the holding part is fixedly connected with the front end of the inserting part, and the pressing block is fixedly connected to the side face of the inserting part.

Preferably, the holding part is further sleeved with an insulating anti-slip sleeve made of plastic materials, the length of the insulating anti-slip sleeve is consistent with that of the holding part, and the peripheral surface of the holding part can be completely covered.

Preferably, the middle part of the rear end of the square hole locking insert is longitudinally provided with square slots penetrating through towards two sides, the front end of the connecting rod is provided with a square inserting plate, the middle part of the square inserting plate is provided with a through hole, the middle parts of two side walls of the rear end of the square hole locking insert at two sides of the square slots are also penetrated through with through holes, and after the square inserting plate is inserted into the square slots, a fixing pin is inserted into the through holes at the rear end of the square hole locking insert and the through holes in the middle part of the square inserting plate to movably connect the square inserting plate.

Preferably, the fixing pin is formed by processing tin bronze material, and the end faces of the two ends of the fixing pin are not higher than the outer surface of the surrounding square hole insert.

According to the technical scheme, the lock square hole insert, the holding part and the lock tongue unscrewing piece which are made of tin bronze are arranged; the square hole locking insert is of a regular quadrangular frustum pyramid structure, the front end of the square hole locking insert is thinner than the rear end of the square hole locking insert, the bolt unscrewing piece comprises an inserting part and a pressing block, the inserting part is in a round rod shape, and the pressing block is in a square shape; the square hole inserts of lock set up in the front end of unblanking ware, and the portion of gripping sets up in the middle part of unblanking ware, and the piece sets up in the rear end of unblanking ware is unscrewed to the spring bolt, and briquetting fixed connection is in the side of inserting the portion. When the anti-theft door lock is unlocked, the square hole insert is inserted into the square hole left after the lock core is separated from the lock sleeve, then a firefighter holds the square hole insert with one hand, holds the holding part with the other hand to pull and fold along the axial direction, and pulls and rotates along the radial direction of the holding part, the square hole insert rotates in the square hole to drive the root of the lock tongue to pull out the lock tongue from the door frame to unlock the anti-theft door, so that the anti-theft door lock can be unlocked, if the anti-theft door lock is secured, the insert part of the lock tongue unscrewing part is inserted into the lock hole exposed after the lock panel is removed, then the connecting piece of the root part of the lock tongue is rotated to drive the lock tongue to pull out from the door frame to unlock the anti-theft door lock, so that the anti-theft door lock can be quickly unlocked after the panel of the anti-theft door lock is removed. The operation can be easily performed by a single person, the operation is convenient, simple and quick, and the rescue time is greatly saved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a universal lock opener for a security door according to the present embodiment;

FIG. 2 is a schematic structural view of a universal lock opener for burglary-resisting door disclosed in this embodiment;

FIG. 3 is a view showing a state of use of the universal lock opener for burglary-resisting door according to the present embodiment;

FIG. 4 is a perspective view of a square hole insert of a universal lock opener for a security door according to the present disclosure;

FIG. 5 is a front view of a square hole insert of a universal lock opener for burglary-resisting doors as disclosed in this embodiment;

fig. 6 is a rear view of a square hole insert of a universal lock opener for a security door according to the present embodiment.

Corresponding part names indicated by numerals in the drawings:

1. square hole inserting piece 2, connecting rod 3, supporting rod 4, holding part 5, bolt unscrewing piece 51, inserting part 52, pressing block 6, insulating anti-skid sleeve 7, square notch 8, square plugboard 9, fixing pin 10 and through hole

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model will be described in further detail with reference to examples and embodiments.

Examples

As shown in fig. 1-6, the universal unlocking device for the burglary-resisting door comprises a square hole locking insert 1, a connecting rod 2, a supporting rod 3, a holding part 4 and a bolt unscrewing piece 5 which are all made of tin bronze materials; the square hole lock insert 1 is of a regular quadrangular frustum structure, the front end of the square hole lock insert is thinner than the rear end of the square hole lock insert, so that the square hole lock insert can be inserted into square holes of anti-theft door locks with different aperture sizes, the lock tongue unscrewing piece 5 comprises an insertion part 51 and a pressing block 52, the insertion part 51 is in a round rod shape, and the pressing block 52 is in a square shape; the connecting rod 2 is arranged in the middle of the universal anti-theft door unlocking device, the front end of the connecting rod is hinged with the rear end of the square hole locking insert 1, the rear end of the connecting rod is connected with the front end of the supporting rod 3, the supporting rod 3 is fixedly connected with the middle of the front end of the holding part 4, the middle of the rear end of the holding part 4 is fixedly connected with the front end of the inserting part 51, and the pressing block 52 is fixedly connected to the side surface of the inserting part 51.

The holding part 4 is further sleeved with an insulating anti-slip cover 6 made of plastic materials, the length of the insulating anti-slip cover 6 is consistent with that of the holding part 4, and the peripheral surface of the holding part can be completely covered. By adopting the structural design, the electric shock accident caused by electric leakage of the burglary-resisting door can be prevented, the friction force during holding can be increased, and the anti-slip effect is realized during holding and forced rotation.

Meanwhile, the middle part of the rear end of the square hole locking insert 1 is longitudinally provided with square slots 7 which penetrate through towards two sides, the front end of the connecting rod 2 is provided with a square insert plate 8, the middle part of the square insert plate 8 is provided with through holes 10, the middle parts of two side walls of the rear end of the square hole locking insert 1 at two sides of the square slots 7 are also penetrated through with through holes 10, and after the square insert plate 8 is inserted into the square slots 7, a fixing pin 9 is inserted into the through holes 10 at the rear end of the square hole locking insert 1 and the through holes 10 in the middle part of the square insert plate 8 to movably connect the square insert plate 8. Therefore, the square hole locking insert 1 is flexibly hinged to the front end of the connecting rod 2, when a firefighter inserts the square hole locking insert 1 into the square hole locking, the connecting rod 2 is easily turned and folded sideways, and then the holding part 4 sleeved with the insulating anti-slip sleeve 6 is held to radially turn and rotate to unlock. If the anti-theft door lock is secured, the insertion part 51 of the lock tongue unscrewing piece 5 is inserted into the lock hole exposed after the lock panel is removed, then the square hole inserting piece 1 is easily turned and folded sideways, and then the square hole inserting piece 1 is held, and the lock can be unlocked by radial turning and rotation.

In addition, in order to make the fixing pin 9 also have the functions of wear resistance and static electricity resistance, the fixing pin 9 is also formed by processing tin bronze materials, and the end faces of the two end heads of the fixing pin are not higher than the outer surface of the surrounding square hole locking insert 1, so that the two end heads of the fixing pin 9 cannot protrude out of the outer surface of the square hole locking insert 1, and the appearance is smoother and more attractive.

In the example, the utility model is provided with a square hole insert 1, a holding part 4 and a bolt unscrewing piece 5 which are made of tin bronze; the square hole locking insert 1 is of a regular quadrangular frustum pyramid structure, the front end of the square hole locking insert is thinner than the rear end of the square hole locking insert, the bolt unscrewing piece 5 comprises an inserting part 51 and a pressing block 52, the inserting part 51 is in a round rod shape, and the pressing block 52 is in a square block shape; the square hole of lock inserts 1 sets up the front end at the unblank ware, and the portion of gripping 4 sets up the middle part at the unblank ware, still overlaps on the portion of gripping 4 and is equipped with the insulating antiskid cover 6 of plastic material, and the piece 5 is set up the rear end at the unblank ware to the spring bolt, and briquetting 52 fixed connection is in the side of insert portion 51.

When a firefighter arrives at a rescue site and needs to unlock and rescue, a lock panel of the anti-theft door lock is removed, a lock cylinder is separated from a lock sleeve, a square hole insert 1 is inserted into a square hole left after the lock cylinder is separated from the lock sleeve, then the firefighter holds the square hole insert 1 by one hand, holds a holding part 4 sleeved with an insulating anti-theft sleeve 6 by the other hand, pulls and turns the holding part 4 along the axial direction, and pulls and rotates along the radial direction of the holding part 4, the square hole insert 1 rotates in the square hole to drive a lock tongue root to pull and unlock the lock tongue from a door frame, so that the anti-theft door can be opened, if the anti-theft door lock is secured, an insert part 51 of a lock tongue unscrewing part 5 is inserted into a lock hole exposed after the lock panel is removed, then a connecting piece of the lock tongue root is driven by a pressing piece 52 to pull the lock tongue from the door frame for unlocking, so that after the panel of the anti-theft door lock is removed, the anti-theft door lock is equivalent to rapidly and integrally and rapidly unlocking tools of parts inside the anti-theft door lock are integrated, and main parts adopt tin bronze materials, and the anti-static anti-theft door lock has small storage space and storage capacity. The operation can be easily performed by a single person, the operation is convenient, simple and quick, and the rescue time is greatly saved. Thereby achieving the purposes of novel design, reasonable structure and good application effect.

The foregoing is merely a preferred embodiment of a universal lock opener for security doors according to the present utility model, and it should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the inventive concept of the present utility model, which fall within the scope of the present utility model.

Claims (4)

1. The universal unlocking device for the burglary-resisting door is characterized by comprising a square locking hole insert, a connecting rod, a supporting rod, a holding part and a bolt unscrewing piece, wherein the square locking hole insert, the connecting rod, the supporting rod, the holding part and the bolt unscrewing piece are all made of tin bronze materials; the square hole locking insert is of a regular quadrangular frustum pyramid structure, the front end of the square hole locking insert is thinner than the rear end of the square hole locking insert, the bolt unscrewing piece comprises an insertion part and a pressing block, the insertion part is in a round rod shape, and the pressing block is in a square shape; the connecting rod is arranged in the middle of the universal anti-theft door unlocking device, the front end of the connecting rod is hinged with the rear end of the square hole locking insert, the rear end of the connecting rod is connected with the front end of the supporting rod, the supporting rod is fixedly connected with the middle of the front end of the holding part, the middle of the rear end of the holding part is fixedly connected with the front end of the inserting part, and the pressing block is fixedly connected to the side face of the inserting part.

2. The universal unlocking device for the burglary-resisting door according to claim 1, wherein the holding part is further sleeved with an insulating anti-skidding sleeve made of plastic materials, the length of the insulating anti-skidding sleeve is consistent with that of the holding part, and the peripheral surface of the holding part can be completely covered.

3. The universal unlocking device for the burglary-resisting door according to claim 2, wherein the middle part of the rear end of the square hole locking insert is longitudinally provided with square slots penetrating towards two sides, the front end of the connecting rod is provided with a square inserting plate, the middle part of the square inserting plate is provided with a through hole, the middle parts of two side walls of the rear end of the square hole locking insert at two sides of the square slots are also penetrated with through holes, and after the square inserting plate is inserted into the square slots, a fixing pin is inserted into the through holes at the rear end of the square hole locking insert and the through holes in the middle part of the square inserting plate to movably connect the square inserting plate.

4. A universal lock opener for a burglary-resisting door as claimed in claim 3, wherein the fixing pin is formed by processing tin bronze material, and the end faces of the two end heads of the fixing pin are not higher than the outer surface of the surrounding square hole insert.

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