Intelligent door lock head protection device

Abstract

The utility model discloses an intelligent door lock cylinder protection device which comprises a body and a shell fixed to the body through bolts, and a bottom plate is arranged at the lower end of the shell. A through hole communicated with the lock hole is formed in the shell; a protection mechanism is connected in the shell; the protection mechanism comprises a fixing plate fixedly connected with the bottom plate, and a rotating disc is movably connected to the fixing plate. A plurality of limiting grooves are formed in the fixing plate; a plurality of arc-shaped grooves communicated with the limiting grooves are formed in the rotating disc; sliding rods are connected between the limiting grooves and the arc-shaped grooves. The sliding rod slides in the limiting groove by rotating the rotating disc. The protection mechanism is arranged in the shell, the rotating disc is rotated to drive the sliding rod to slide in the arc-shaped groove and the limiting groove at the same time, meanwhile, the push rod on the sliding rod drives the baffles to move towards the inner side, and after the baffles abut against each other and are attached to each other, a disc is formed, and a lock hole in the body is shielded and protected.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent door locks, and in particular to a lock head protection device for an intelligent door lock. Background Art

[0002] The smart door locks currently on the market generally include smart password door opening, fingerprint door opening and mechanical key door opening. A flap is generally set at the key door opening position to block the keyhole to prevent dust or water from entering the keyhole, or debris from clogging the keyhole. However, the flap setting can easily cause the clamping parts to loosen after long-term use, making it difficult to clamp, and even causing the cover to open by itself, making it difficult to protect the keyhole well. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes an intelligent door lock lock head protection device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A smart door lock head protection device comprises a main body and a shell fixed to the main body by bolts, wherein a bottom plate is provided at the lower end of the shell; a through hole communicating with a lock hole is provided on the shell; a protection mechanism is connected inside the shell; the protection mechanism comprises a fixed plate fixedly connected to the bottom plate, a turntable is movably connected to the fixed plate, and a plurality of limit grooves are provided on the fixed plate; a plurality of arc grooves communicating with the limit grooves are provided on the turntable; and a sliding rod is connected between the limit grooves and the arc grooves; the sliding rod slides in the limit groove by rotating the turntable; and a baffle is connected to the sliding rod; and a plurality of baffles are moved to abut inward by the sliding rod.

[0006] Preferably, the fixed plate and the turntable are both in the shape of a circular ring; the plurality of limit grooves are opened from the inside out and are centrally symmetrical; the lower end of the slide rod is connected to a limit block; the upper end of the slide rod is connected to a push rod; the slide rod is fixedly connected to the baffle through the push rod.

[0007] Preferably, the baffle is fan-shaped; a plurality of the baffles are moved to the inside by a sliding rod to form a disc shape; and the outer arc diameter of the baffle is larger than the diameter of the lock hole.

[0008] Preferably, the outer side of the turntable is connected to a meshing toothed disc, the lower end of the toothed disc is rotatably clamped with a fixing rod; the lower end of the fixing rod is fixedly connected to the base plate; the upper end of the toothed disc is provided with a slot; and the shell is provided with a connecting hole communicating with the slot.

[0009] Preferably, a plug-in rod is connected in the connection hole; a plug-in matching the slot is connected to the lower end of the plug-in rod; and the gear disk rotates by rotating the plug-in.

[0010] Preferably, the outer side of the turntable is also connected to an anti-skid mechanism; the anti-skid mechanism includes a clamping block clamped to the outer side of the turntable; a fixing frame is connected to the base plate; the fixing frame is provided with a slide groove matching the clamping block; the clamping block is slidably connected to the slide groove and is connected to the inner wall of the slide groove by a spring.

[0011] Preferably, the lower end of the shell is connected to an ear plate; a threaded hole is provided on the ear plate; and the shell is fixedly connected to the main body through the ear plate.

[0012] Compared with the prior art, the utility model provides an intelligent door lock lock protection device, which has the following beneficial effects:

[0013] The intelligent door lock lock head protection device is provided with a protection mechanism in a shell body, and the turntable is rotated to drive the slide bar to slide in the arc groove and the limit groove at the same time, and the push rod on the slide bar drives the baffle plate to move inward, so that the baffle plates are abutted against each other to form a disc, and the lock hole on the body is shielded and protected. When the lock needs to be unlocked, the turntable can be rotated in the opposite direction, and the lock can be unlocked after the baffle plate is opened; and a special-shaped slot is provided on the meshing gears on the outer side of the turntable, and the turntable can be rotated only through a matching plug-in, which is simple to operate and improves the safety of the protection mechanism.

[0014] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the protection mechanism of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the fixed plate and the rotating disk of the utility model;

[0019] Figure 5 It is a partial structural diagram of the protection mechanism of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the housing of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the anti-skid mechanism of the utility model;

[0022] Figure 8 It is a structural schematic diagram of the plug-in of the utility model.

[0023] In the figure: 10, main body; 11, shell; 12, bottom plate; 13, through hole; 14, ear plate; 15, connecting hole; 20, protection mechanism; 21, fixing plate; 22, turntable; 23, limit groove; 24, arc groove; 25, slide rod; 26, limit block; 27, push rod; 28, baffle; 31, toothed disc; 32, fixing rod; 33, slot; 41, plug-in rod; 42, plug-in; 51, block; 52, fixing frame; 53, slide groove; 54, spring. DETAILED DESCRIPTION

[0024] The following will refer to Figure 1-8 , the specific implementation of the intelligent door lock head protection device in the utility model is introduced, including a body 10 and a shell 11 fixed to the body 10 by bolts, the lower end of the shell 11 is provided with a bottom plate 12; the shell 11 is provided with a through hole 13 communicating with the lock hole; a protection mechanism 20 is connected in the shell 11; the protection mechanism 20 includes a fixed plate 21 fixedly connected to the bottom plate 12, the fixed plate 21 is movably connected with a turntable 22; and the fixed plate 21 is provided with a plurality of limiting grooves 23; the turntable 22 is provided with a plurality of arc grooves 24 communicating with the limiting grooves 23; and a slide bar 25 is connected between the limiting grooves 23 and the arc grooves 24; the slide bar 25 slides in the limiting groove 23 by rotating the turntable 22; and the slide bar 25 is connected with a baffle 28; a plurality of baffles 28 are moved to abut inward by the slide bar 25.

[0025] The fixing plate 21 and the rotating disk 22 are both annular; the plurality of limiting grooves 23 are opened from the inside to the outside and are symmetrical in center; the lower end of the slide bar 25 is connected to the limiting block 26; the upper end of the slide bar 25 is connected to the push rod 27; the slide bar 25 is fixedly connected to the baffle 28 through the push rod 27. The baffle 28 is fan-shaped; the plurality of baffles 28 are moved to the inside by the slide bar 25 to form a disc shape; and the outer arc diameter of the baffle 28 is larger than the diameter of the lock hole. When in use, the turntable 22 is rotated to drive the slide bar 25 in the arc groove 24 to move, and the lower end of the slide bar 25 is slidably connected to the limit groove 23; the slide bar 25 slides in the arc groove 24 and the limit groove 23 at the same time, and the push rod 27 on the slide bar 25 drives the baffle 28 to move inward, so that the baffles 28 abut against each other to form a disc, which blocks and protects the lock hole on the body 10. When unlocking is required, the turntable 22 can be rotated in the opposite direction to open the baffle 28 for unlocking.

[0026] In order to facilitate the rotation of the turntable 22, a meshing toothed disc 31 is connected to the outside of the turntable 22. The lower end of the toothed disc 31 is rotatably clamped with a fixing rod 32; the lower end of the fixing rod 32 is fixedly connected to the bottom plate 12; the upper end of the toothed disc 31 is provided with a slot 33; and the housing 11 is provided with a connecting hole 15 that communicates with the slot 33. A plug-in rod 41 is connected to the connecting hole 15; the lower end of the plug-in rod 41 is connected to a plug-in 42 that matches the slot 33; the toothed disc 31 is rotated by rotating the plug-in 42. The slot 33 is a special-shaped structure. When in use, after the plug-in rod 41 is inserted into the connecting hole 15 and the plug-in 42 is clamped with the slot 33, the toothed disc 31 can be driven to rotate by rotating the plug-in rod 41. For the convenience of carrying, the plug-in rod 41 can be connected to a key that matches the body 10.

[0027] In order to prevent the turntable 22 from moving after rotation, an anti-skid mechanism is also connected to the outer side of the turntable 22; the anti-skid mechanism includes a block 51 that is clamped with the outer side of the turntable 22; a fixing frame 52 is connected to the bottom plate 12; a slide groove 53 matching the block 51 is provided on the fixing frame 52; the block 51 is slidably connected to the slide groove 53 and a spring 54 is connected to the inner wall of the slide groove 53; when the turntable 22 is in use, the turntable 22 is rotated, and the teeth on the outer side of the turntable 22 squeeze the block 51 to slide in the slide groove 53, which does not affect the rotation of the turntable 22. When the turntable 22 is not in use, the block 51 is clamped between the teeth on the outer side of the turntable 22 after rebounding through the spring 54, which can provide an anti-rotation effect for the turntable 22.

[0028] In order to facilitate installation of the shell 11 , the lower end of the shell 11 is connected to an ear plate 14 ; a threaded hole is provided on the ear plate 14 ; and the shell 11 is fixedly connected to the main body 10 via the ear plate 14 .

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A smart door lock protection device, comprising a body (10) and a housing (11) fixed to the body (10) by bolts, characterized in that: A bottom plate (12) is provided at the lower end of the shell (11); a through hole (13) communicating with the lock hole is provided on the shell (11); a protection mechanism (20) is connected inside the shell (11); the protection mechanism (20) comprises a fixed plate (21) fixedly connected to the bottom plate (12); a rotating disk (22) is movably connected to the fixed plate (21); a plurality of limiting grooves (23) are provided on the fixed plate (21); a plurality of arc grooves (24) communicating with the limiting grooves (23) are provided on the rotating disk (22); a sliding rod (25) is connected between the limiting grooves (23) and the arc grooves (24); the sliding rod (25) slides in the limiting groove (23) by rotating the rotating disk (22); and a baffle (28) is connected to the sliding rod (25); a plurality of baffles (28) are moved to abut against the inside by the sliding rod (25).

2. The intelligent door lock protection device according to claim 1, characterized in that: The fixing plate (21) and the rotating disk (22) are both in the shape of a ring; the plurality of limit grooves (23) are opened from the inside to the outside and are centrally symmetrical; the lower end of the sliding rod (25) is connected to a limit block (26); the upper end of the sliding rod (25) is connected to a push rod (27); the sliding rod (25) is fixedly connected to the baffle (28) via the push rod (27).

3. The intelligent door lock protection device according to claim 1, characterized in that: The baffle (28) is fan-shaped; a plurality of the baffles (28) are moved to the inside by the slide rod (25) to form a disc shape; and the outer arc diameter of the baffle (28) is greater than the diameter of the lock hole.

4. The intelligent door lock protection device according to claim 1, characterized in that: The outer side of the rotating disk (22) is connected to a meshing toothed disk (31); the lower end of the toothed disk (31) is rotatably clamped with a fixing rod (32); the lower end of the fixing rod (32) is fixedly connected to the bottom plate (12); the upper end of the toothed disk (31) is provided with a slot (33); and the housing (11) is provided with a connecting hole (15) that communicates with the slot (33).

5. The intelligent door lock protection device according to claim 4, characterized in that: A plug-in rod (41) is connected inside the connection hole (15); a plug-in plug (42) matching the slot (33) is connected to the lower end of the plug-in rod (41); and the toothed disc (31) is rotated by rotating the plug-in plug (42).

6. The intelligent door lock protection device according to claim 1, characterized in that: The outer side of the rotating disk (22) is also connected to an anti-skid mechanism; the anti-skid mechanism comprises a clamping block (51) clamped to the outer side of the rotating disk (22); the bottom plate (12) is connected to a fixing frame (52); the fixing frame (52) is provided with a slide groove (53) matching the clamping block (51); the clamping block (51) is slidably connected to the slide groove (53) and a spring (54) is connected to the inner wall of the slide groove (53).

7. The intelligent door lock protection device according to claim 1, characterized in that: The lower end of the shell (11) is connected to an ear plate (14); a threaded hole is provided on the ear plate (14); and the shell (11) is fixedly connected to the main body (10) via the ear plate (14).

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