CN213449840U

CN213449840U - Anti-theft lock convenient for escape

Info

Publication number: CN213449840U
Application number: CN202021085038.0U
Authority: CN
Inventors: 魏祖旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-06-15
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses an anti-theft lock convenient for escape, which comprises a lock shell, wherein an inner dial wheel which can be driven by a door handle to rotate is arranged in the lock shell, a rotatable linkage piece is sleeved on the inner dial wheel, and the peripheral surface of the inner dial wheel is provided with a first dial part; the lower end of the linkage piece extends outwards to form a second poking hand part, and the right end of the linkage piece is connected with a driving rod for controlling the first lock tongue; the linkage piece is fixedly connected with a transmission rod, the transmission rod is connected with a sliding plate capable of sliding up and down through a first sliding shaft, the upper end of the sliding plate is fixedly connected with a second lock tongue, and the lower end of the sliding plate is connected with a linkage rod through a second sliding shaft; the other end of the linkage rod is hinged with the lock shell, the tail end of the linkage rod extends towards the direction of the inner poking wheel to form a third poking hand part, and when the inner poking wheel or the linkage part rotates towards the direction of the third poking hand part, the first poking hand part or the second poking hand part can poke the third poking hand part to drive the linkage rod to rotate. The utility model has the advantages of unlocking rapidly from the room, high safety performance and the like.

Description

Anti-theft lock convenient for escape

Technical Field

The utility model relates to a lock field especially relates to an unblank rapidly, security performance is high theftproof lock of being convenient for flee.

Background

The lock history is very long and is essentially born simultaneously with proprietary systems. Over thousands of years, locks have evolved from simple bolt, wood locks to the now common spring locks, electronic locks, etc. Because mechanical locks are more practical and less expensive, many users will choose to install mechanical locks on doors. However, the existing mechanical lock cannot be unlocked in a room after being locked from the outside, and when an emergency such as a fire occurs, people in the room cannot be unlocked and escaped, so that the life safety of a user is damaged, and therefore, the safety performance is not high enough, and the ever-increasing use requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a convenient-to-escape anti-theft lock which is rapid in unlocking and high in safety performance.

The utility model discloses a following technical measure realizes: an anti-theft lock convenient for escape comprises a lock shell, wherein an inner shifting wheel which can be driven by a door handle to rotate is arranged in the lock shell, a rotatable linkage piece is sleeved on the inner shifting wheel, a shifting piece of the inner shifting wheel can slide in an arc-shaped hole of the linkage piece, and a first shifting hand part is arranged on the outer peripheral surface of the inner shifting wheel; the lower end of the linkage piece extends outwards to form a second poking hand part, the right end of the linkage piece is connected with a driving rod, and the driving rod controls the first lock tongue to extend out of or retract back into the lock shell; the left end of the linkage piece is provided with a limiting clamping groove, the lock shell is provided with a clamping protrusion corresponding to the limiting clamping groove, when the linkage piece rotates upwards to a limit position, the clamping protrusion abuts against the bottom of the limiting clamping groove, and when the linkage piece rotates downwards to the limit position, the clamping protrusion abuts against the inner wall of an opening of the limiting clamping groove; the right side of the opening of the limiting clamping groove is fixedly connected with a transmission rod, the transmission rod is connected with a sliding plate capable of sliding up and down through a first sliding shaft, and the sliding shaft can slide on a waist hole of the transmission rod; the upper end of the sliding plate is fixedly connected with a second lock tongue, the lower end of the sliding plate is connected with a linkage rod through a second sliding shaft, and the second sliding shaft can slide on a waist hole of the sliding plate; the other end of the linkage rod is hinged to the lock shell, the tail end of the linkage rod extends towards the direction of the inner poking wheel to form a third poking hand portion, and when the inner poking wheel or the linkage piece rotates towards the direction of the third poking hand portion, the third poking hand portion can be poked by the first poking hand portion or the second poking hand portion to drive the linkage rod to rotate.

As a preferred mode, first lock tongue is equipped with a spacer pin on being located one side of lock shell, be equipped with an L shape limiting plate in the lock shell, L shape limiting plate includes mutual articulated rotor plate and expansion plate, the expansion plate is parallel with first lock tongue, the relative spacer pin of rotor plate is equipped with a shape matched with recess.

As a preferable mode, a self-locking plate is arranged between the sliding plate and the inner wall of the lock shell, a first clamp spring is arranged between the self-locking plate and the linkage rod, one end of the first clamp spring is pressed on the lock shell, and the other end of the first clamp spring is pressed on the self-locking plate.

As a preferred mode, still be equipped with an arc wall on the self-locking plate, be equipped with the second jump ring on the lock shell, the second jump ring support press on the arc wall inner wall.

As an optimal mode, lock shell both sides are equipped with a day pole and ground pole respectively, the horizontal bar hole that the lock shell corresponds day pole and ground pole is equipped with a pin respectively, the other end of day pole and ground pole is equipped with an oblique bar hole respectively, and two day ground pole sliding shafts pass oblique bar hole respectively and make day pole and ground pole be connected with the slide respectively.

When the door is unlocked and opened indoors, the inner handle is firstly twisted, the inner handle drives the inner shifting wheel to rotate, and then the shifting piece of the inner shifting wheel drives the linkage piece to rotate downwards; the linkage piece drives the driving rod to move downwards so as to drive the first lock tongue to retract into the lock shell; the second shifting hand part on the linkage part rotates downwards to shift the third shifting hand part on the linkage rod to rotate, so that the linkage rod drives the sliding plate to move downwards, and meanwhile, the linkage part drives the transmission rod to rotate so as to drive the sliding plate to move downwards, so that the second lock tongue retracts into the lock shell, and the door is unlocked and opened; when emergency such as fire disaster occurs, the user can quickly twist the handle to unlock under the condition that the door lock is locked, so that the escape is facilitated, and the safety performance is higher.

Drawings

Fig. 1 is a schematic diagram of a locked state structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an unlocking state of the embodiment of the present invention;

fig. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is a schematic back structure diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An anti-theft lock convenient for escape, referring to fig. 1 to 4, comprises a lock shell, wherein an inner thumb wheel 3 capable of being driven by a door handle to rotate is arranged in the lock shell, a rotatable linkage member 1 is sleeved on the inner thumb wheel 3, a thumb piece of the inner thumb wheel 3 can slide in an arc-shaped hole of the linkage member 1, and a first thumb piece 3a is arranged on the peripheral surface of the inner thumb wheel 3; the lower end of the linkage piece 1 extends outwards to form a second poking hand part 1a, the right end of the linkage piece 1 is connected with a driving rod 14, and the driving rod 14 controls the first lock tongue 11 to extend out of or retract back from the lock shell; the left end of the linkage piece 1 is provided with a limiting clamping groove, the lock shell is provided with a clamping protrusion 4 corresponding to the limiting clamping groove, when the linkage piece 1 rotates upwards to a limit position, the clamping protrusion 4 is pressed against the bottom of the limiting clamping groove, and when the linkage piece 1 rotates downwards to the limit position, the clamping protrusion 4 is pressed against the inner wall of an opening of the limiting clamping groove; the right side of the opening of the limiting clamping groove is fixedly connected with a transmission rod 8, the transmission rod 8 is connected with a sliding plate 6 capable of sliding up and down through a first sliding shaft, and the sliding shaft can slide on a waist hole of the transmission rod 8; the upper end of the sliding plate 6 is fixedly connected with a second bolt 9, the lower end of the sliding plate 9 is connected with a linkage rod 2 through a second sliding shaft, and the second sliding shaft can slide on a waist hole of the sliding plate 6; the other end of the linkage rod 2 is hinged with the lock shell, the tail end of the linkage rod 2 extends towards the direction of the inner poking wheel 1 to form a third poking hand part 2a, and when the inner poking wheel 3 or the linkage part 1 rotates towards the direction of the third poking hand part 2a, the third poking hand part 2a can be poked by the first poking hand part 3a or the second poking hand part 1a to drive the linkage rod 2 to rotate.

When the multifunctional anti-theft lock unlocks and opens the door indoors, firstly, the inner handle is twisted, the inner handle drives the inner thumb wheel 3 to rotate, and then the plectrum of the inner thumb wheel 3 drives the linkage piece 1 to rotate downwards; the linkage piece 1 drives the driving rod 14 to move downwards, and further drives the first lock tongue 11 to retract into the lock shell; a second poking hand part 1a on the linkage part 1 rotates downwards to poke a third poking hand part 2a on the linkage rod 2 to rotate, so that the linkage rod 2 drives the sliding plate 6 to move downwards, and meanwhile, the linkage part 1 drives the transmission rod 8 to rotate so as to drive the sliding plate 6 to move downwards, so that the second lock tongue 9 retracts into the lock shell, and the door is unlocked and opened; when emergency such as fire disaster occurs, the user can quickly twist the handle to unlock under the condition that the door lock is locked, so that the escape is facilitated, and the safety performance is higher.

Referring to fig. 1, on the basis of the foregoing technical solution, in an embodiment, a limiting pin is disposed on one side of the first lock tongue 11 located in the lock case, an L-shaped limiting plate is disposed in the lock case, the L-shaped limiting plate includes a rotating plate 12 and an expansion plate 10, the rotation plate 12 is hinged to the first lock tongue 11, and the expansion plate 10 is parallel to the first lock tongue 11, and a groove with a shape matching the shape of the rotation plate 12 is disposed opposite to the limiting pin. Therefore, when the door is opened outdoors, the first lock tongue 11 cannot be retracted into the lock shell under the condition that the door is unlocked without a key, and the anti-prying effect is better.

Referring to fig. 4, on the basis of the foregoing technical solution, a self-locking plate 5 is disposed between the sliding plate 6 and the inner wall of the lock case, a first clamp spring 15 is disposed between the self-locking plate 5 and the linkage rod 2, one end of the first clamp spring 15 abuts against the lock case, and the other end abuts against the self-locking plate 5. Therefore, the first clamp spring 15 can control the linkage rod 2 to reset, and the function of automatic locking is realized.

Referring to fig. 4, on the basis of the foregoing technical solution, an arc-shaped groove is further disposed on the self-locking plate 5, a second clamp spring 16 is disposed on the lock case, and the second clamp spring 16 abuts against an inner wall of the arc-shaped groove. Thereby the elasticity of second spring bolt 9 has been increased for second spring bolt 9 can reach extreme position when locking the door, has improved the security of lock body, and the theftproof effect is better.

Referring to fig. 3, on the basis of the foregoing technical solution, it may be specifically that a top rod 7 and a bottom rod 13 are respectively disposed at two sides of a lock case, the lock case is respectively provided with a pin corresponding to transverse bar-

shaped holes

7a and 13a of the top rod 7 and the bottom rod 13, the other ends of the top rod 7 and the bottom rod 13 are respectively provided with an oblique bar-

shaped hole

7b and 13b, and a sliding shaft of the two top and bottom rods respectively penetrates through the oblique bar-

shaped holes

7b and 13b to enable the top rod 7 and the bottom rod 13 to be respectively connected with a sliding plate 6. Therefore, in the unlocking process, the sliding plate 6 moves downwards, so that the top rod 7 and the ground rod 13 are driven to retract from the lock shell, and therefore unlocking is achieved; when the lock is locked, the sliding plate 6 moves upwards, so that the top rod 7 and the ground rod 13 are driven to extend out of the lock shell, the prying resistance and the burglary resistance of the door lock are further enhanced, and the safety performance is higher.

It is right above the utility model discloses explanation that the pickproof lock convenient to flee goes on for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope of the utility model.

Claims

1. The utility model provides an anti-theft lock convenient to escape which characterized in that: the door lock comprises a lock shell, wherein an inner shifting wheel which can be driven by a door handle to rotate is arranged in the lock shell, a rotatable linkage piece is sleeved on the inner shifting wheel, a shifting piece of the inner shifting wheel can slide in an arc-shaped hole of the linkage piece, and a first shifting hand part is arranged on the peripheral surface of the inner shifting wheel;

the lower end of the linkage piece extends outwards to form a second poking hand part, the right end of the linkage piece is connected with a driving rod, and the driving rod controls the first lock tongue to extend out of or retract back into the lock shell; the left end of the linkage piece is provided with a limiting clamping groove, the lock shell is provided with a clamping protrusion corresponding to the limiting clamping groove, when the linkage piece rotates upwards to a limit position, the clamping protrusion abuts against the bottom of the limiting clamping groove, and when the linkage piece rotates downwards to the limit position, the clamping protrusion abuts against the inner wall of an opening of the limiting clamping groove; the right side of the opening of the limiting clamping groove is fixedly connected with a transmission rod, the transmission rod is connected with a sliding plate capable of sliding up and down through a first sliding shaft, and the sliding shaft can slide on a waist hole of the transmission rod;

the upper end of the sliding plate is fixedly connected with a second lock tongue, the lower end of the sliding plate is connected with a linkage rod through a second sliding shaft, and the second sliding shaft can slide on a waist hole of the sliding plate; the other end of the linkage rod is hinged to the lock shell, the tail end of the linkage rod extends towards the direction of the inner poking wheel to form a third poking hand portion, and when the inner poking wheel or the linkage piece rotates towards the direction of the third poking hand portion, the third poking hand portion can be poked by the first poking hand portion or the second poking hand portion to drive the linkage rod to rotate.

2. The anti-theft lock facilitating escape according to claim 1, wherein: the lock is characterized in that a limiting pin is arranged on one side of the first lock tongue in the lock shell, an L-shaped limiting plate is arranged in the lock shell and comprises a rotating plate and an expansion plate which are hinged to each other, the expansion plate is parallel to the first lock tongue, and a groove matched with the rotating plate in shape is formed in the limiting pin.

3. The anti-theft lock facilitating escape according to claim 1, wherein: a self-locking plate is arranged between the sliding plate and the inner wall of the lock shell, a first clamp spring is arranged between the self-locking plate and the linkage rod, one end of the first clamp spring is pressed on the lock shell, and the other end of the first clamp spring is pressed on the self-locking plate.

4. The anti-theft lock facilitating escape according to claim 3, wherein: still be equipped with an arc wall on the self-locking plate, be equipped with the second jump ring on the lock shell, the second jump ring support press in on the arc wall inner wall.

5. The anti-theft lock facilitating escape according to claim 1, wherein: the lock shell both sides are equipped with a day pole and ground pole respectively, the horizontal bar hole that the lock shell corresponds day pole and ground pole is equipped with a pin respectively, the other end of day pole and ground pole is equipped with an oblique bar hole respectively, and two day ground pole sliding shafts pass oblique bar hole respectively and make day pole and ground pole be connected with the slide respectively.