Counter locking knob structure of intelligent lock

Abstract

The utility model relates to the technical field of intelligent lock equipment, in particular to an intelligent lock back locking knob structure which comprises a lock shell and a back locking mechanism. The back locking mechanism comprises a back locking rotary knob rotationally connected to the interior of the lock shell, a grip arranged on the back locking rotary knob, a linkage shaft arranged on the back locking rotary knob, a back locking spring bolt slidably connected to the lock shell, a movable plate arranged on the back locking spring bolt and a guide column arranged in the lock shell. A groove for the linkage shaft to rotate is formed in the movable plate, a clamping groove matched with the linkage shaft is formed in the groove, a long-strip-shaped hole is formed in the movable plate, the guide column is connected into the long-strip-shaped hole in a sliding mode, and the distance between two opposite planes of the long-strip-shaped hole is larger than the diameter of the guide column. According to the utility model, not only is the stability of the back locking bolt during back locking ensured by adding a self-locking function, but also the accuracy and the fluency of back locking resetting can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to intelligent lock equipment technical field, especially a kind of intelligent lock reverse locking knob structure. BACKGROUND

[0002] The intelligent lock is a kind of lock distinguished from traditional mechanical lock, and is more intelligent in user safety, identification and management. The reverse locking knob of the intelligent lock mainly improves the safety of indoor living and prevents outdoor personnel from unlocking by illegal means. The reverse locking knob is usually located on the inner panel of the intelligent lock, and rotating it to the locked state can realize indoor reverse locking.

[0003] Chinese patent with announcement number CN207513349U discloses a power-saving device using door lock reverse locking, which comprises a power taking box, a circuit board, a reverse locking structure and a touch switch arranged on the door lock body. The reverse locking structure comprises a reverse locking knob, a connecting rod, a linkage shaft and a reverse locking bolt. The reverse locking knob is connected with the connecting rod through the linkage shaft. One end of the connecting rod is connected with the reverse locking bolt, and the other end is movably connected with the touch switch. The touch switch is connected with the circuit board, and the circuit board is connected with the power taking box. The device combines the reverse locking structure of the door lock and the room power taking box to form a power-saving device. The power taking box is controlled by the door lock reverse locking, and the power taking box is turned off by the door lock unlocking, so as to realize the intelligent power-saving function of each room.

[0004] However, the above technical solution has the following disadvantages: when the reverse locking knob moves the reverse locking bolt transversely by rotating the linkage shaft, the reverse locking bolt cannot be kept stable due to the lack of limiting structure for the linkage shaft, and may automatically deviate back. The position deviation of the reverse locking bolt is large when it is reset. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a kind of intelligent lock reverse locking knob structure. The stability of the reverse locking bolt when reverse locking is ensured by increasing self-locking function, and the accuracy and smoothness of reverse locking reset are improved.

[0006] The technical scheme of the utility model provides a kind of intelligent lock reverse locking knob structure, which comprises a lock shell and a reverse locking mechanism. The reverse locking mechanism comprises a reverse locking knob rotatably connected inside the lock shell, a handle arranged on the reverse locking knob, a linkage shaft arranged on the reverse locking knob, a reverse locking bolt slidably connected to the lock shell, a moving plate arranged on the reverse locking bolt, and a guide column arranged inside the lock shell. A groove is arranged on the moving plate for the linkage shaft to rotate. A clamping groove is arranged inside the groove and matched with the linkage shaft. A long hole is arranged on the moving plate. The guide column is slidably connected inside the long hole. The distance between the two opposite planes of the long hole is greater than the diameter of the guide column.

[0007] Preferably, a supporting ring is coaxially arranged on the guide column, and the supporting ring and the moving plate are in sliding connection.

[0008] Preferably, a grommet is arranged on the guide column, the grommet and the moving plate are in sliding connection, a bolt is threadedly connected on the guide column, and the bolt and the grommet are in mutual extrusion.

[0009] Preferably, a reset assembly is arranged on the moving plate, the reset assembly comprises two threaded rods arranged on the moving plate and the lock shell respectively, upper and lower nuts threadedly connected on the threaded rods, sleeves rotatably sleeved on the threaded rods, and a spring for connecting the two sleeves.

[0010] Preferably, a main control board is arranged in the lock shell, a touch switch is arranged on the side of the moving plate, and the main control board and the touch switch are in electrical signal connection.

[0011] Preferably, a spring sheet is arranged on the touch switch, a fixing rod is arranged on the moving plate, and a pressing block is arranged on the fixing rod.

[0012] Preferably, a cover body is arranged on the lock shell.

[0013] Compared with the prior art, the anti-lock mechanism has the following beneficial technical effects:

[0014] 1、The anti-lock mechanism can block the end of the linkage shaft to realize self-locking of the moving plate, avoid the moving plate from being offset back, cause poor stability of the anti-lock bolt, and ensure smooth rotation of the linkage shaft, and the design that the distance between the two opposite planes of the long hole is slightly larger than the diameter of the guide column can avoid the situation that the linkage shaft cannot be embedded or separated from the clamping groove, thereby further improving the stability of the moving plate and having good practicability.

[0015] 2、The reset assembly can assist the reset movement of the moving plate and the anti-lock bolt, improve the smoothness of the reset process, and optimize the hand feeling when the rotating handle is held. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a sectional structure schematic view of the lock shell of the utility model;

[0018] Figure 3 It is a partial structure split schematic view of the anti-lock mechanism of the utility model;

[0019] Figure 4 It is an axonometric schematic view of the utility model;

[0020] Figure 5The utility model discloses a mobile plate's structural diagram.

[0021] Fig. 1 is a lock shell, 2 is a reverse lock knob, 3 is a handle, 4 is a linkage shaft, 5 is a mobile plate, 6 is a reverse lock bolt, 7 is a clamping groove, 8 is a long hole, 9 is a guide column, 10 is a supporting ring, 11 is a gasket, 12 is a bolt, 13 is a threaded rod, 14 is a spring, 15 is a sleeve, 16 is an upper nut, 17 is a lower nut, 18 is a touch switch, 19 is a spring piece, 20 is a main control board, 21 is a fixed rod, 22 is a pressing block, 23 is a cover. DETAILED DESCRIPTION

[0022] Example one

[0023] As Figures 1-5 shown, the reverse lock knob structure of the intelligent lock of the embodiment comprises a lock shell 1 and a reverse lock mechanism.

[0024] The reverse lock mechanism comprises a reverse lock knob 2 rotatably connected in the lock shell 1, a handle 3 arranged on the reverse lock knob 2, a linkage shaft 4 arranged on the reverse lock knob 2, a reverse lock bolt 6 slidably connected on the lock shell 1, a mobile plate 5 arranged on the reverse lock bolt 6, and a guide column 9 arranged in the lock shell 1.

[0025] The mobile plate 5 is provided with a groove for the rotation of the linkage shaft 4, and the groove is provided with a clamping groove 7 matched with the linkage shaft 4.

[0026] When the smart lock needs to be reversed, the reverse locking knob 2 is turned through the handle 3, the reverse locking knob 2 drives the linkage shaft 4 to rotate, the linkage shaft 4 starts to rotate from the side of the reverse locking bolt 6 away from the recess, the linkage shaft 4 will extrude and push the moving plate 5 to move in the process of rotating, and the moving plate 5 will drive the reverse locking bolt 6 to extend out of the lock shell 1 under the guidance of the long hole 8 and the guide column 9, when the linkage shaft 4 and the clamping groove 7 are mutually attached, the limit position is reached, at this time the guide column 9 and the long hole 8 are mutually abutted, the reverse locking bolt 6 extends the maximum distance to reverse lock, and because the clamping groove 7 blocks the end of the linkage shaft 4 to realize the self-locking of the moving plate 5, the moving plate 5 is prevented from being offset back, which causes poor stability of the reverse locking bolt 6, and because the moving plate 5 will shake left and right in the process of rotating extrusion to ensure that the linkage shaft 4 can be embedded or separated from the clamping groove 7, therefore the distance between the two opposite planes of the long hole 8 is slightly larger than the diameter of the guide column 9, to ensure that the moving plate 5 can be angularly deflected within a small range around the guide column 9, thereby ensuring that the linkage shaft 4 can be smoothly rotated.

[0027] Embodiment two

[0028] As shown in Figure 2 and Figure 3 , the reverse locking knob structure of the smart lock proposed in this embodiment, compared with embodiment one, in this embodiment, the moving plate 5 is provided with a reset assembly, the reset assembly includes two threaded rods 13 respectively arranged on the moving plate 5 and the lock shell 1, an upper nut 16 and a lower nut 17 threaded connected on the threaded rod 13, a sleeve 15 rotatably sleeved on the threaded rod 13, and a spring 14 for connecting the two sleeves 15.

[0029] In this embodiment, when the reverse locking bolt 6 is moved to reverse lock, the threaded rod 13 on the moving plate 5 will drive the sleeve 15 on one side to move, and the sleeve 15 will pull the spring 14, and the sleeve 15 can be rotated to enable the spring 14 to rotate correspondingly when the moving plate 5 is deflected, avoiding forcibly pulling the spring 14 to reduce the service life of the spring 14; when the reverse lock is contacted, the moving plate 5 will be reset after the reverse locking knob 2 is rotated, at this time the spring 14 will pull the moving plate 5 to assist the movement, improve the smoothness of the reset process, and then optimize the hand feeling when the handle 3 is rotated, when the spring 14 is in the original length, the reset is completed.

[0030] Embodiment three

[0031] As shown in Figure 1 and Figure 3As shown, the intelligent lock reverse locking knob structure provided in the embodiment, compared with the first embodiment, in the embodiment, the inside of the lock shell 1 is provided with a main control board 20, the side of the moving plate 5 is provided with a touch switch 18, the main control board 20 and the touch switch 18 are electrically connected, the touch switch 18 is provided with an elastic sheet 19, the moving plate 5 is provided with a fixed rod 21, and the fixed rod 21 is provided with a pressing block 22.

[0032] In the embodiment, when a person uses the intelligent lock in the reverse locking state to open the door, the voice prompter (not shown) can tell the user using the intelligent lock that the reverse locking has been performed through the voice prompt mode by the main control board 20; when the reverse locking is not performed, the pressing block 22 can extrude the elastic sheet 19, so that the touch switch 18 triggers the circuit to give an electrical signal, and then the main control board 20 controls the voice prompter to not give a prompt sound; when the reverse locking is performed, the moving plate 5 drives the fixed rod 21 and the pressing block 22 to be separated from the elastic sheet 19, the touch switch 18 sends a signal to the main control board 20, and if a person opens the door at this time, the voice prompter will give a sound.

[0033] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range of the persons skilled in the art without departing from the purpose of the utility model.

Claims

1. A smart lock reverse turning knob structure, characterized in that, The utility model relates to a lock, which comprises: a lock shell (1); a reverse locking mechanism, which comprises a reverse locking knob (2) rotatably connected inside the lock shell (1), a handle (3) arranged on the reverse locking knob (2), a linkage shaft (4) arranged on the reverse locking knob (2), a reverse locking bolt (6) slidably connected to the lock shell (1), a moving plate (5) arranged on the reverse locking bolt (6), and a guide column (9) arranged inside the lock shell (1); the moving plate (5) is provided with a groove for the linkage shaft (4) to rotate, the groove is internally provided with a clamping groove (7) matched with the linkage shaft (4), the moving plate (5) is provided with a long hole (8), the guide column (9) is slidably connected inside the long hole (8), and the distance between the two opposite planes of the long hole (8) is greater than the diameter of the guide column (9).

2. The smart lock thumbturn structure of claim 1, wherein, The guide column (9) is coaxially provided with a supporting ring (10), and the supporting ring (10) and the moving plate (5) are slidably connected.

3. The smart lock thumbturn structure of claim 2, wherein, The guide column (9) is provided with a grommet (11), the grommet (11) and the moving plate (5) are slidably connected, the guide column (9) is screw-connected with a bolt (12), and the bolt (12) and the grommet (11) are pressed against each other.

4. The smart lock thumbturn structure of claim 1, wherein, The moving plate (5) is provided with a reset assembly, which comprises two threaded rods (13) arranged on the moving plate (5) and the lock shell (1) respectively, upper and lower nuts (16) and (17) screw-connected to the threaded rods (13), sleeves (15) rotatably sleeved on the threaded rods (13), and a spring (14) for connecting the two sleeves (15).

5. The smart lock thumbturn structure of claim 1, wherein, The inside of the lock shell (1) is provided with a main control board (20), and the side of the moving plate (5) is provided with a touch switch (18); the main control board (20) and the touch switch (18) are electrically connected.

6. The smart lock thumbturn structure of claim 5, wherein, The touch switch (18) is provided with a spring sheet (19), and the moving plate (5) is provided with a fixed rod (21) provided with a pressing block (22).

7. The smart lock thumbturn structure of claim 1, wherein, The lock shell (1) is provided with a cover (23).

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