Prying-resistant protection device of intelligent lock

Abstract

The utility model relates to the technical field of lock prying resistance, and provides an intelligent lock prying-resistant protection device which comprises an inner lock shell, one side of the inner lock shell is communicated with an expansion shell, the inner surface of the expansion shell is rotationally connected with a positive and negative screw rod, and the end, away from the expansion shell, of the positive and negative screw rod is rotationally connected with the inner surface of the inner lock shell. The outer surface of the positive and negative screw rod is in threaded connection with two internal threaded blocks, first shaft blocks are fixedly connected to the two sides of the internal threaded blocks, first connecting rods are rotatably connected to the interiors of the first shaft blocks, and the ends, away from the first shaft blocks, of the two first connecting rods are rotatably connected with a push plate; a push rod is fixedly connected to the side, away from the forward-reverse lead screw, of the push plate. The device is provided with an embedded external expansion fixing structure, so that external force impact during lock picking can be effectively dispersed, the panel is prevented from being directly pried up or deformed, the violent damage resistance of the lock can be improved, it is ensured that the lock is tightly attached to a door body, and potential safety hazards caused by mismatched installation are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lockset anti -prying technical field especially, a kind of anti -prying protection device of intelligent lockset. BACKGROUND

[0002] Anti -prying protection device of intelligent lockset has important role in many aspects, mainly reflected in safety protection, timely early warning and guarantee home safety etc., anti -prying protection device usually uses solid material and special design, such as reinforced lock body, pry-resistant lock tongue etc..When lawbreaker attempts to break door lock by pry, smash etc. Violent means, these devices can increase the anti -destructive capacity of door lock, make door lock more difficult to pry, provide more reliable physical barrier for family safety, in some cases, lawbreaker pry lock can not only be for theft, also can cause personal injury to family in room. Anti -prying protection device can prevent lawbreaker from entering room to some extent, gain more reaction time and security guarantee for family, for example, family can use this time to alarm or take other self -protective measures.

[0003] But prior art for example China Publication Number: CN218293198U, "a kind of intelligent lockset with anti -prying protection device", the utility model discloses a kind of intelligent lockset with anti -prying protection device, it is related to lockset technical field, including first shell and second shell, the side of the first shell is fixedly connected with multiple second connecting rods distributed in rectangular matrix, multiple through holes distributed in rectangular matrix are set in the inside of the second shell, the other end of multiple through holes is all fixedly connected with first connecting rod, the first connecting rod is adapted to second connecting rod, and the inside of the first connecting rod and second connecting rod is connected with connecting bolt by screw thread.The utility model is connected by multiple first connecting rod and second connecting rod, and is adapted to the connecting bolt in through hole, to realize the connection of first shell and second shell, the fingerprint identification ware of handle side can realize the identification of user's fingerprint.

[0004] But this device does not set embedded outer expansion fixing structure, can not effectively disperse the external force impact when pry lock, leading to panel being directly pryed open or deformed, can not improve the anti -violent destruction capability of lockset, can not ensure that lockset and door body are closely attached, increase the security risk caused by installation mismatch, device does not set outer lock shell inlay installation structure, lawbreaker can directly contact lock body edge or weak point, improve the possibility of inserting door gap and implementing destruction by using pry bar, sheet etc. Tool, need complex adjustment when installing, increase the security loophole caused by improper installation. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is to solve the prior art exists, can not effectively disperse the external force impact when prizing the lock, lead to panel is directly prised open or deformation, can not promote the anti -violent damage ability of lockset, can not ensure that lockset and door body closely fit, increase the security hidden danger of the incompatibility of installation, the criminal can directly contact lock body edge or weak point, improve the possibility of using crowbar, sheet etc. implement the damage of inserting the door gap, need complex adjustment when installing, increase the security loophole problem of improper installation.

[0006] In order to realize above-mentioned purpose, the utility model discloses a following technical scheme: a kind of anti-prying protection device of intelligent lockset, including inner lock shell, the side of the inner lock shell is communicated with expansion shell, the inner surface of the expansion shell is rotatably connected with positive and negative screw rod, the end of the positive and negative screw rod away from expansion shell is rotatably connected in the inner surface of inner lock shell, the outer surface of the positive and negative screw rod is threadedly connected with two internal thread blocks, the two sides of the internal thread block are all fixedly connected with first axle block, the inside of the first axle block is rotatably connected with first connecting rod, the end of two first connecting rods away from first axle block is rotatably connected with push plate, the side of the push plate away from positive and negative screw rod is fixedly connected with push rod, the outer surface of the push rod is movably sleeved with stabilizing sleeve, the side of two stabilizing sleeves is fixedly connected in the inner surface of expansion shell, and rotating screw will drive internal thread block.

[0007] As a preferred embodiment, the outer surface of the positive and negative screw rod is fixedly sleeved with a worm gear, and the outer surface of the worm gear is meshingly connected with a worm. The worm following the rotation of the power rod will drive the positive and negative screw rod to rotate under the meshing action of the worm gear.

[0008] As a preferred embodiment, the inside of the worm is fixedly embedded with a power rod, one end of the power rod is rotatably connected to the inner surface of the inner lock shell, the other end of the power rod is fixedly connected with an internal hexagonal block, the outer surface of the internal hexagonal block is rotatably connected to one side of the inner lock shell, and the power rod is driven to rotate inside the inner lock shell by the internal hexagonal block.

[0009] As a preferred embodiment, a plurality of bolts are rotatably connected to the inside of the inner lock shell, and the outer surface of the plurality of bolts is rotatably connected with an outer lock shell. The inner lock shell is fixed to the inner side of the door panel by the plurality of bolts.

[0010] As a preferred embodiment, the inner surface of the outer lock shell is rotatably connected with a rotating rod, one end of the rotating rod is rotatably connected with a motor, and the inner surface of the outer lock shell is fixedly connected on one side of the motor. The motor will drive the rotating rod to rotate inside the outer lock shell after being powered.

[0011] As a preferred embodiment, the outer surface of the rotating rod is fixedly sleeved with a synchronous rod, and both ends of the synchronous rod are rotatably connected with a second connecting rod. The synchronous rod following the rotation of the rotating rod will drive one end of the second connecting rod.

[0012] As a preferred implementation, the second connecting rod is rotatably connected with a second shaft block at one end away from the synchronous rod, the second shaft block is fixedly connected with an inner plate at a side away from the second connecting rod, and the other end of the second connecting rod pushes the inner plate through the second shaft block.

[0013] As a preferred implementation, the outer surface of the inner plate is movably sleeved with a stabilizing shell, and one side of the two stabilizing shells is fixedly connected to the inner surface of the outer lock shell, so that the inner plate extends outward in the stabilizing shell, and the outer lock shell can be preliminarily fixed on one side of the door plate.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1. The device is provided with an embedded and outwardly expanded fixing structure, which can effectively disperse the external force impact when the lock is picked, avoid the panel being directly picked open or deformed, improve the violent damage resistance of the lock, ensure that the lock is closely attached to the door body, and reduce the security risks caused by improper installation.

[0016] 2. The device is provided with an outer lock shell embedded installation structure, so that the criminal cannot directly touch the edge or weak point of the lock body, reduces the possibility of inserting tools such as crowbars and sheets into the door gap to implement damage, does not need complex adjustment during installation, and reduces the security loopholes caused by improper installation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective structural schematic view of the anti-picking protection device of the intelligent lock is provided in the utility model;

[0018] Figure 2 A side structural schematic view of the anti-picking protection device of the intelligent lock is provided in the utility model;

[0019] Figure 3 A disassembled structural schematic view of the anti-picking protection device of the intelligent lock is provided in the utility model;

[0020] Figure 4 A sectional structural schematic view of the anti-picking protection device of the intelligent lock is provided in the utility model;

[0021] Figure 5 A perspective structural schematic view of the anti-picking protection device of the intelligent lock is provided in the utility model; Figure 4 An enlarged structural schematic view of the anti-picking protection device of the intelligent lock is provided in the utility model.

[0022] LEGEND:

[0023] 1, inner lock shell; 2, expansion shell; 3, positive and negative screw rod; 4, internal thread block; 5, first shaft block; 6, first connecting rod; 7, push plate; 8, push rod; 9, stabilizing sleeve; 10, worm gear; 11, worm; 12, power rod; 13, internal hex block; 14, bolt; 15, outer lock shell; 16, rotating rod; 17, motor; 18, synchronization rod; 19, second connecting rod; 20, second shaft block; 21, inner embedded plate; 22, stabilizing shell. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a kind of anti-prying protection device of intelligent lock, including inner lock shell 1, the side of inner lock shell 1 is communicated with expansion shell 2, the inner surface of expansion shell 2 is rotatably connected with positive and negative screw rod 3, the end of positive and negative screw rod 3 away from expansion shell 2 is rotatably connected in the inner surface of inner lock shell 1, the outer surface of positive and negative screw rod 3 is threadedly connected with two internal thread blocks 4, the two sides of internal thread block 4 are all fixedly connected with first shaft block 5, the inside of first shaft block 5 is rotatably connected with first connecting rod 6, the end of two first connecting rods 6 away from first shaft block 5 is rotatably connected with push plate 7, the side of push plate 7 away from positive and negative screw rod 3 is fixedly connected with push rod 8, the outer surface of push rod 8 is movably sleeved with stabilizing sleeve 9, the side of two stabilizing sleeves 9 is fixedly connected in the inner surface of expansion shell 2, when internal thread block 4 is mutually close, it will drive the end of first connecting rod 6 by first shaft block 5, the other end of first connecting rod 6 will push push plate 7, and simultaneously push rod 8 will extend outward in the inside of stabilizing sleeve 9.

[0026] As Figures 1 to 5 Indicated, the outer surface of positive and negative screw rod 3 is fixedly sleeved with worm gear 10, the outer surface of worm gear 10 is meshingly connected with worm 11, and worm 11 rotating with power rod 12 will drive positive and negative screw rod 3 to rotate under the meshing action to worm gear 10.

[0027] As Figures 1 to 5 Indicated, the inside of worm 11 is fixedly embedded with power rod 12, the end of power rod 12 is rotatably connected in the inner surface of inner lock shell 1, the other end of power rod 12 is fixedly connected with internal hex block 13, the outer surface of internal hex block 13 is rotatably connected on the side of inner lock shell 1, and power rod 12 is rotated in the inside of inner lock shell 1 by internal hex block 13.

[0028] As Figures 1 to 5As shown, the inner locking shell 1 is rotatably connected with a plurality of bolts 14, and the outer surface of the plurality of bolts 14 is rotatably connected with an outer locking shell 15. The plurality of bolts 14 fixes the inner locking shell 1 to the inner side of the door panel.

[0029] As shown, the inner surface of the outer locking shell 15 is rotatably connected with a rotating rod 16, one end of the rotating rod 16 is rotatably connected with a motor 17, one side of the motor 17 is fixedly connected to the inner surface of the outer locking shell 15. The motor 17 will drive the rotating rod 16 to rotate in the outer locking shell 15 after being powered. Figures 1 to 5

[0030] As shown, the outer surface of the rotating rod 16 is fixedly sleeved with a synchronous rod 18, and both ends of the synchronous rod 18 are rotatably connected with a second connecting rod 19. The synchronous rod 18 rotating with the rotating rod 16 will drive one end of the second connecting rod 19. Figures 1 to 5

[0031] As shown, the second connecting rod 19 rotatably connected with a second shaft block 20 at the end away from the synchronous rod 18, and the second shaft block 20 rotatably connected with an inner embedded plate 21 at the side away from the second connecting rod 19. The other end of the second connecting rod 19 will push the inner embedded plate 21 through the second shaft block 20. Figures 1 to 5

[0032] As shown, the outer surface of the inner embedded plate 21 is movably sleeved with a stabilizing shell 22, and one side of the two stabilizing shells 22 is fixedly connected to the inner surface of the outer locking shell 15. The inner embedded plate 21 is outwardly extended in the stabilizing shell 22, so that the outer locking shell 15 can be preliminarily fixed to one side of the door panel. Figures 1 to 5

[0033] Working principle: first, embed the outer locking shell 15 into the outer side of the door panel, then start the external power supply of the motor 17, the motor 17 will drive the rotating rod 16 to rotate in the outer locking shell 15 after being powered. The synchronous rod 18 rotating with the rotating rod 16 will drive one end of the second connecting rod 19, the other end of the second connecting rod 19 will push the inner embedded plate 21 through the second shaft block 20, so that the inner embedded plate 21 is outwardly extended in the stabilizing shell 22, so that the outer locking shell 15 can be preliminarily fixed to one side of the door panel. Then, the plurality of bolts 14 fixes the inner locking shell 1 to the inner side of the door panel, and the expansion shell 2 is embedded in the inner side of the door panel. Then, the inner hexagonal block 13 drives the power rod 12 to rotate in the inner locking shell 1, and the worm 11 rotating with the power rod 12 will drive the positive and negative screw rod 3 to rotate under the meshing action of the worm wheel 10. The rotating screw will drive the inner threaded block 4, and the inner threaded block 4 will drive one end of the first connecting rod 6 through the first shaft block 5 when they are close to each other. The other end of the first connecting rod 6 will push the push plate 7, and the push rod 8 will be outwardly extended in the stabilizing sleeve 9, which further fixes the entire door lock.

[0034] ​​​​The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A pry protection device for a smart lock, comprising an inner lock shell (1), characterized in that, One side of the inner locking shell (1) is connected to the expansion shell (2). The inner surface of the expansion shell (2) is rotatably connected to the positive and negative screw rods (3). The end of the positive and negative screw rods (3) away from the expansion shell (2) is rotatably connected to the inner surface of the inner locking shell (1). The outer surface of the positive and negative screw rods (3) is threaded with two internal thread blocks (4). The two sides of the internal thread blocks (4) are fixedly connected to the first shaft blocks (5). The inside of the first shaft blocks (5) is rotatably connected to the first connecting rods (6). The ends of the two first connecting rods (6) away from the first shaft blocks (5) are rotatably connected to the push plate (7). The side of the push plate (7) away from the positive and negative screw rods (3) is fixedly connected to the push rod (8). The outer surface of the push rod (8) is movably sleeved with a stabilizing sleeve (9). One side of the two stabilizing sleeves (9) is fixedly connected to the inner surface of the expansion shell (2).

2. The anti-pry protection device for a smart lock according to claim 1, characterized in that: The outer surface of the positive and negative lead screw (3) is fixedly sleeved with a worm gear (10), and the outer surface of the worm gear (10) is meshed with a worm (11).

3. The anti-pry protection device for a smart lock according to claim 2, characterized in that: A power rod (12) is fixedly embedded inside the worm gear (11). One end of the power rod (12) is rotatably connected to the inner surface of the inner lock shell (1), and the other end of the power rod (12) is fixedly connected to an internal hexagon block (13). The outer surface of the internal hexagon block (13) is rotatably connected to one side of the inner lock shell (1).

4. The anti-pry protection device for a smart lock according to claim 3, characterized in that: The inner locking shell (1) is rotatably connected to a plurality of bolts (14), and the outer locking shell (15) is rotatably connected to the outer surface of the plurality of bolts (14).

5. The anti-pry protection device for a smart lock according to claim 4, characterized in that: A rotating rod (16) is rotatably connected to the inner surface of the outer lock shell (15). One end of the rotating rod (16) is rotatably connected to a motor (17). One side of the motor (17) is fixedly connected to the inner surface of the outer lock shell (15).

6. The anti-pry protection device for a smart lock according to claim 5, characterized in that: A synchronizing rod (18) is fixedly sleeved on the outer surface of the rotating rod (16), and a second connecting rod (19) is rotatably connected to both ends of the synchronizing rod (18).

7. The anti-pry protection device for a smart lock according to claim 6, characterized in that: The end of the second link (19) away from the synchronizing rod (18) is rotatably connected to the second shaft block (20), and the side of the second shaft block (20) away from the second link (19) is fixedly connected to the inner plate (21).

8. The anti-pry protection device for a smart lock according to claim 7, characterized in that: The outer surface of the inner panel (21) is movably fitted with a stabilizing shell (22), and one side of the two stabilizing shells (22) is fixedly connected to the inner surface of the outer lock shell (15).

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