CN110388145B

CN110388145B - Full-automatic door lock linkage mechanism

Info

Publication number: CN110388145B
Application number: CN201910551046.5A
Authority: CN
Inventors: 杨社成
Original assignee: Hunan Chuangshi Intelligent Technology Co ltd
Current assignee: Hunan Chuangshi Intelligent Technology Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2021-11-30
Anticipated expiration: 2039-06-24
Also published as: CN110388145A

Abstract

The invention discloses a full-automatic door lock linkage mechanism which comprises a main lock, a lock bolt, a bolt opening lever and an emergency opening device, wherein one end of the bolt opening lever is hinged with the lock bolt of the main lock, the other end of the bolt opening lever is hinged with the lock bolt, the middle part of the bolt opening lever is hinged with the emergency opening device, the emergency opening device comprises an emergency lock, a rotating shaft, a rotating disc, a gear, a transmission rod and a rotating handle, the rotating handle can drive the rotating shaft, the rotating disc and the gear which are fixed on the rotating shaft to rotate, a limit block is fixed at the position corresponding to a limit notch at the upper end of the rotating disc, the emergency lock is arranged below the rotating disc, the lock bolt of the emergency lock is positioned at the limit notch at the lower end of the rotating disc when extending out, the transmission rod is meshed with the gear, and the upper end of the transmission rod is connected with the bolt opening lever. The opening and closing of the lock bolt are realized by prying the bolt opening lever by means of a lever principle, under the condition of a main lock fault, the emergency opening device drives the bolt opening lever to rotate around a connecting point of the bolt opening lever and the main lock so as to realize emergency unlocking, all parts are linked with each other, and the stability and the reliability are high.

Description

Full-automatic door lock linkage mechanism

Technical Field

The invention belongs to the technical field of locks, and particularly relates to a full-automatic door lock linkage mechanism.

Background

Various vaults, safe cases and bullet cabinets for public security armed police used in the financial industry to store bullets have high requirements on anti-theft performance due to the particularity of stored articles, and the safety door used by the safe case is a special anti-theft door with high requirements on the protection level of a door lock. At present, the locks adopted by the safety doors are mainly mechanical coded locks, and as user Identification (ID) technologies (such as fingerprint identification, face identification, iris identification and the like) mature, electronic intelligent locks are gradually applied. Adopt electronic intelligence lock security performance to obtain promoting, but under the power failure or the intelligent control system condition of breaking down, the cabinet door then can't be opened. In addition, the opening mode of the warehouse door and the cabinet door is usually realized through the matching of the door lock, the hand wheel and the lock bolt, when the door is opened, the hand wheel is rotated after the door lock is opened, the lock bolt is driven by the hand wheel to be opened, when the door lock is not opened, the hand wheel is clamped and cannot be rotated, and by the structure, if the hand wheel is rotated by a large-torque wrench, an internal mechanism is extremely easy to damage, so that the large potential safety hazard is formed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a full-automatic intelligent bullet cabinet, which realizes automatic control of opening and locking and reduces manual operation when opening and closing the cabinet door.

The technical scheme adopted by the invention is as follows: the full-automatic door lock linkage mechanism comprises a main lock, a lock bolt, a bolt opening lever and an emergency opening device, wherein one end of the bolt opening lever is hinged with a lock bolt of the main lock, the other end of the bolt opening lever is hinged with the lock bolt, the middle part of the bolt opening lever is hinged with the emergency opening device, the emergency opening device comprises an emergency lock, a rotating shaft, a rotating disc, a gear, a transmission rod and a rotating handle, the rotating disc and the gear are respectively fixed on the rotating shaft, the rotating disc and the gear are integrally and rotatably installed on a door leaf, a through hole is formed in the position, corresponding to the rotating shaft, of the door leaf, the rotating handle penetrates through the through hole to drive the rotating shaft, the rotating disc and the gear fixed on the rotating shaft to rotate, an arc-shaped boss is circumferentially arranged on the rotating disc, limiting notches are respectively formed at two ends of the arc-shaped boss, a limiting block is fixed at the position, corresponding to the limiting notch at the upper end of the arc-shaped boss, the emergency lock is installed below the rotating disc, and the bolt of the emergency lock is located at the limiting notch at the lower end of the arc-shaped boss when extending out emergency lock, the lower part of the transmission rod is provided with a rack which is meshed with the gear, and the upper end of the transmission rod is connected with the unbolting lever through a hinged column.

Furthermore, the main lock is a push-pull device and comprises a driving portion and a push-pull rod, and the push-pull rod is hinged with one end of the unlatching lever.

Furthermore, the pushing and pulling device is one of an electric push rod, an electric hydraulic push rod and a pneumatic push rod.

Further, the master lock is controlled by an intelligent control system.

Furthermore, a strip-shaped groove is formed in the transmission rod, and a guide screw rod used for limiting and guiding the transmission rod is arranged at the position of the strip-shaped groove.

Furthermore, a cover plate is further arranged at the gear of the emergency opening device.

Further, the emergency lock is a double-head joint control lock.

Furthermore, the lock bolt comprises an upper bolt linkage rod, a lower bolt linkage rod and a side bolt linkage rod, the unlocking lever is connected with one of the upper bolt linkage rod, the lower bolt linkage rod and the side bolt linkage rod, and the upper bolt linkage rod, the lower bolt linkage rod and the side bolt linkage rod are connected through a lock bolt linkage gear.

The invention has the following beneficial effects:

(1) by adopting the technical scheme, the full-automatic door lock linkage mechanism has the advantages that the emergency opening device is hinged with the bolt opening lever, under the normal working condition of the main lock, the hinged point of the transmission rod of the emergency opening device and the bolt opening lever is a fixed fulcrum, under the driving of the main lock, the bolt opening lever rotates around the fixed fulcrum to drive the lock bolt to move so as to realize unlocking, under the condition that the main lock fails, the fixed fulcrum of the bolt opening lever is transferred to the connecting end with the main lock, the emergency opening device drives the bolt opening lever to rotate around the connecting point of the bolt opening lever and the main lock so as to drive the lock bolt to move so as to realize emergency unlocking, the opening and closing of the lock bolt are realized by the prying of the bolt opening lever by means of the lever principle, the structure is simple, the operation is flexible, all the components are linked with each other, the operation stability of the system is high, and the reliability is high;

(2) emergent opening device's turning handle is equivalent to the third key, with double-end joint control lock combined action, the security performance further improves, simultaneously, only need open the door with the help of the turning handle under the emergency, need not like other parts such as runner, make cabinet door structure retrench more, reduced the material, the cost is reduced saves the step of rotating the hand wheel when closing the door, saves time and laborsaving.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the construction of the emergency opening device of the present invention.

Fig. 3 is an exploded view of the emergency opening device of the present invention.

Detailed Description

In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.

As shown in fig. 1 to 3, the fully automatic door lock linkage mechanism of the present embodiment includes a main lock 1, a lock bolt, a bolt releasing lever 3, and an emergency opening device 4.

The main lock 1 in this embodiment is an electric push rod, and includes a driving portion and a push-pull rod, and the main lock is controlled by an intelligent control system.

The lock bolt comprises an upper bolt linkage rod 21, a lower bolt linkage rod 22 and a side bolt linkage rod 23, wherein the upper bolt linkage rod 21, the lower bolt linkage rod 22 and the side bolt linkage rod 23 are connected through a lock bolt linkage gear 24.

One end of the unbolting lever 3 is hinged with a push-pull rod of the electric push rod, the other end of the unbolting lever is hinged with an upper bolt linkage rod 21, and the middle part of the unbolting lever 3 is hinged with the emergency opening device 4. The emergency opening device 4 comprises a double-head interlocking lock 41, a rotating shaft 42, a rotating disc 43, a gear 44, a transmission rod 45 and a rotating handle, wherein the rotating disc 43 and the gear 44 are respectively fixed on the rotating shaft 42, the rotating disc 43 and the gear 44 form an integral body which is rotatably arranged on the door leaf 5, a through hole is arranged at the position of the door leaf 5 corresponding to the rotating shaft, the rotating handle passes through the through hole to drive the rotating shaft 42, the rotating disc 43 fixed on the rotating shaft 42 and the gear 44 to rotate, an arc-shaped boss is arranged on the circumference of the rotating disc 43, two ends of the arc-shaped boss respectively form a limiting notch, a limit block 46 is fixed on the door leaf 5 corresponding to the limit notch at the upper end of the arc-shaped boss, the double-head joint control lock 41 is arranged below the turntable 43, the lock tongue of the double-head joint control lock 41 is positioned at the limit notch at the lower end of the arc-shaped boss when extending out, the lower part of the transmission rod 45 is provided with a rack and is meshed with the gear 44, and the upper end of the transmission rod 45 is connected with the unbolting lever 3 through a hinged column. The transmission rod 45 is provided with a strip-shaped groove, and a guide screw rod used for limiting and guiding the transmission rod is arranged at the strip-shaped groove. The emergency opening device gear is also provided with a cover plate 47 for protecting the emergency opening device.

The working principle of the embodiment is as follows: when the electric push rod fails to be unlocked, the double-head linkage lock 41 is unlocked through a mechanical key, the lock head retracts to avoid a lower-end limiting notch, the gear 44 can flexibly rotate at the moment, the rotating handle drives the rotating shaft 42, the rotating disc 43 and the gear 44 which are fixed on the rotating shaft 42 to rotate, the gear 44 drives the transmission rod 45 to move downwards, the upper bolt linkage rod 21 is pried to move downwards by the aid of the bolt unlocking lever 3 by taking a hinged point of the electric push rod as a fulcrum, the upper bolt is linked, and the lower bolt linkage rod 22 and the side bolt linkage rod 23 are driven to move by the upper bolt linkage lever 21 through the lock bolt linkage gear 24, so that emergency unlocking is completed.

Many modifications and other embodiments of the invention will come to mind to one skilled in the art to which this invention pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the inventions are not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. Full-automatic door lock interlock mechanism, including main lock, set bar, unblank the lever, unblank lever one end and the spring bolt hinge of main lock, the other end is articulated with the set bar, its characterized in that: the emergency opening device comprises an emergency lock, a rotating shaft, a rotating disc, a gear, a transmission rod and a rotating handle, wherein the rotating disc and the gear are respectively fixed on the rotating shaft, the rotating disc and the gear form an integral body which is rotatably arranged on the door leaf, the door leaf is provided with a through hole corresponding to the rotating shaft, the rotating handle passes through the through hole to drive the rotating shaft and the rotating disc and the gear fixed on the rotating shaft to rotate, the circumference of the rotating disc is provided with an arc-shaped boss, two ends of the arc-shaped boss respectively form a limit notch, a limiting block is fixed on the door leaf corresponding to the limiting notch at the upper end of the arc-shaped boss, the emergency lock is arranged below the turntable, the spring bolt of the emergency lock is positioned at the limiting notch at the lower end of the arc-shaped boss when extending out, the lower part of the transmission rod is provided with a rack which is meshed with the gear, and the upper end of the transmission rod is connected with the unbolting lever through a hinged column.

2. The fully automatic door lock linkage as recited in claim 1, wherein: the main lock is a push-pull device and comprises a driving portion and a push-pull rod, and the push-pull rod is hinged with one end of the unlatching lever.

3. The fully automatic door lock linkage as recited in claim 2, wherein: the push-pull device is one of an electric push rod, an electric hydraulic push rod and a pneumatic push rod.

4. The fully automatic door lock linkage mechanism according to any one of claims 1 to 3, wherein: the master lock is controlled by an intelligent control system.

5. The fully automatic door lock linkage as recited in claim 1, wherein: the transmission rod is provided with a strip-shaped groove, and a guide screw rod used for limiting and guiding the transmission rod is arranged at the position of the strip-shaped groove.

6. The fully automatic door lock linkage as recited in claim 1, wherein: and a cover plate is further arranged at the gear of the emergency opening device.

7. The fully automatic door lock linkage as recited in claim 1, wherein: the emergency lock is a double-head joint control lock.

8. The fully automatic door lock linkage as recited in claim 1, wherein: the lock bolt comprises an upper bolt linkage rod, a lower bolt linkage rod and a side bolt linkage rod, the unlocking lever is connected with one of the upper bolt linkage rod, the lower bolt linkage rod and the side bolt linkage rod, and the upper bolt linkage rod, the lower bolt linkage rod and the side bolt linkage rod are connected through a lock bolt linkage gear.