Lock attaching device compact in structure and convenient to install

Abstract

The utility model discloses a lock attaching device compact in structure and convenient to install, which comprises a shell, a connecting part is arranged at one end of the shell, a rotating clamp is installed on the lower side of the connecting part, and a hand twisting piece rotating coaxially with the rotating clamp is installed on the upper side of the connecting part. The output end of the speed reduction motor is connected with the axis of the rotating clamp through a gear set, and a control panel electrically connected with the speed reduction motor is installed in the shell. The lock attaching device is installed on one side of the back lock, the rotating clamp is attached to the back lock rotary knob, the bottom of the shell is fixedly connected with the outer surface of the door, the installation structure is simple, the clamping parts of different heights are arranged on the inner side of the rotating clamp, the clamping parts of different heights can correspond to back lock rotary knobs of different specifications and sizes to be connected, and universality is high. Meanwhile, the rotating clamp is located outside the shell and does not occupy the size in the shell, the space of the battery bin is large, the battery assemblies can be stacked and installed on the gear motor and the control panel, the overall structure is more compact, and therefore the size of the product is reduced.

Description

Technical Field

[0001] The utility model relates to a lock, in particular to a locking device installed on an anti-locking knob. Background Art

[0002] Most of the existing smart door locks combine the smart control device and the door lock into a whole. If the traditional door lock needs to be upgraded to be smart, the entire door lock must be replaced. The cost of upgrading is too high, which is not conducive to the smart upgrade of the door locks already installed in the home.

[0003] To this end, the patent document with publication number CN111379469A discloses an intelligent locking device that is non-destructively installed on an ordinary door lock. The locking device is installed on a door lock cylinder with a keyhole at one end and a knob at the other end. There is no need to disassemble the door lock during installation. The disadvantage of this locking device is that during installation, it is necessary to first assemble the lock cylinder knob adapter block on the indoor door lock cylinder knob, and then engage the locking device with the lock cylinder knob adapter block, and then push it onto the lock panel. The installation is more troublesome, and the gear transmission mechanism and the lock cylinder knob adapter block are installed in the fixed bottom box of the lock, which makes the product larger in size. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a locking device with a compact structure and convenient installation.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A locking device with a compact structure and convenient installation comprises a shell, one end of which is provided with a laterally protruding connecting portion, a rotating clamp is installed on the lower side of the connecting portion, and a screwdriver is installed on the upper side, which rotates coaxially with the rotating clamp. A reduction motor is installed in the shell, and the output end of the reduction motor is connected to the axis of the rotating clamp through a gear set. A control board electrically connected to the reduction motor is installed in the shell.

[0007] A battery compartment is provided in the shell, a battery assembly is installed in the battery compartment, and the battery assembly is electrically connected to the control board and the reduction motor. After assembly, the battery assembly is located on the control board and the reduction motor.

[0008] A cover plate is detachably mounted on the upper end of the shell.

[0009] The control panel is provided with a forward button and a reverse button, and the cover plate is provided with hollow positions corresponding to the forward button and the reverse button. After assembly, the forward button and the reverse button extend out of the hollow positions.

[0010] The gear set includes output teeth, connecting teeth and interlocking teeth. The output teeth are installed on the output end of the reduction motor, and the connecting teeth are located between the output teeth and the interlocking teeth. A rotating shaft is provided at the upper end of the rotating clamp, and the interlocking teeth are provided with a connecting port corresponding to the rotating shaft. After assembly, the rotating shaft is inserted into the connecting port and fixedly connected with the screwdriver.

[0011] An axially symmetrical first clamping portion is disposed inside the top of the rotating clamp, and an axially symmetrical second clamping portion is disposed inside the first clamping portion. The height of the first clamping portion is greater than that of the second clamping portion.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model lock device is installed on one side of the anti-lock, the rotating clip is attached to the anti-lock knob, the bottom of the shell is fixedly connected to the outer surface of the door, the installation structure is simple, and the inner side of the rotating clip is provided with clamping parts of different heights, and the clamping parts of different heights can be connected to anti-lock knobs of different specifications and sizes. The installation and use do not affect the user's original door lock, and the versatility is high.

[0014] 2. The utility model rotating clamp is connected to the reduction motor through a gear set. The rotating clamp is located outside the shell and does not occupy the volume inside the shell, so that the space of the battery compartment is large. The battery components can be stacked and installed on the reduction motor and the control board. The overall structure is more compact, thereby reducing the volume of the product.

[0015] 3. The utility model has a control panel electrically connected to the reduction motor installed in the housing, and control buttons and a wireless control module are installed on the control panel. Users can control the rotation of the reduction motor by buttons, hand pieces and wireless, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a structural exploded diagram of the utility model;

[0018] Figure 2 It is a structural anatomical diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the back structure of the rotating clamp. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0021] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0022] Some embodiments of the present invention are described below in conjunction with the accompanying drawings.

[0023] Reference Figures 1 to 3 A compact and easy-to-install locking device comprises a housing 1, one end of which is provided with a laterally protruding connection portion 11, a rotating clamp 2 is installed on the lower side of the connection portion 11, and a screwing handle 3 coaxially rotating with the rotating clamp 2 is installed on the upper side, a reduction motor 4 is installed in the housing 1, the output end of the reduction motor 4 is connected to the axis of the rotating clamp 2 through a gear set, and a control board 6 electrically connected to the reduction motor 4 is installed in the housing 1. In this embodiment, the locking device is installed on one side of the anti-lock, the rotating clamp 2 is attached to the anti-lock knob, the bottom of the housing 1 is fixedly connected to the outer surface of the door (fixed by screws or adhesive), and the installation structure is simple.

[0024] The housing 1 is provided with a battery compartment 12, in which a battery assembly 7 is installed, and the battery assembly 7 is electrically connected to the control board 6 and the reduction motor 4. After assembly, the battery assembly 7 is located on the control board 6 and the reduction motor 4. Since the rotating clamp 2 is connected to the reduction motor 4 through a gear set, the rotating clamp 2 is located outside the housing 1 and does not occupy the volume in the housing 1, so that the space of the battery compartment 12 is large, and the battery assembly 7 can be stacked and installed on the reduction motor 4 and the control board 6, and the overall structure is more compact, thereby reducing the volume of the product.

[0025] A cover plate 13 is detachably mounted on the upper end of the housing 1. In this embodiment, the cover plate 13 is mounted on the housing 1 through a snap-fit ​​structure, which facilitates battery replacement.

[0026] The control panel 6 is provided with a forward button 61 and a reverse button 62, and the cover plate 13 is provided with a hollow position 14 corresponding to the forward button 61 and the reverse button 62. After assembly, the forward button 61 and the reverse button 62 extend out of the hollow position 14. In this embodiment, the housing 1 is provided with a forward cover 15 and a reverse cover 16 corresponding to the forward button 61 and the reverse button 62. After assembly, the forward cover 15 is covered on the forward button 61, and the reverse cover 16 is covered on the reverse button 62, so that the user can press the buttons conveniently.

[0027] In this embodiment, a wireless control module is also installed on the control panel. The user can switch the lock by pressing buttons and turning the handle, or control the switch lock by wireless means (including but not limited to WIFI, Bluetooth and NFC, etc.), which is convenient for users.

[0028] The gear set includes an output tooth 51, a connecting tooth 52 and a linkage tooth 53. The output tooth 51 is installed on the output end of the reduction motor 4, and the connecting tooth 52 is located between the output tooth 51 and the linkage tooth 53. The upper end of the rotating clamp 2 is provided with a rotating shaft 21, and the linkage tooth 53 is provided with a connecting port 54 corresponding to the rotating shaft 21. After assembly, the rotating shaft 21 is inserted into the connecting port 54 and fixedly connected with the screwdriver 3. The connection structure is simple and easy to assemble.

[0029] In this embodiment, the reduction motor 4 adopts a reduction motor with a clutch mechanism commonly used in the field of electronic locks, such as a compact reduction motor disclosed in the patent document with publication number CN207968195U, in which the clutch mechanism is integrated into the output element. When the power is off or not working, the reduction motor 4 is in an unlocked state. Specifically, when the reduction motor 4 is not working, the handle 3 can only be manually rotated to link the above-mentioned gear set, and the output teeth 51 can only idle on the reduction motor 4. Therefore, the rotation of the handle 3 is not linked to the reduction motor 4.

[0030] The top inner side of the rotating clamp 2 is provided with an axially symmetrical first clamping portion 22, and the inner side of the first clamping portion 22 is provided with an axially symmetrical second clamping portion 23. The height of the first clamping portion 22 is greater than the height of the second clamping portion 23. The first clamping portion 22 and the second clamping portion 23 form two layers of plug-in slots, which can correspond to anti-locking knobs of different specifications and sizes, and have high versatility. In addition, a key clamp 24 is clamped on the lower side of the rotating clamp 2. The two sides of the key clamp 24 are provided with slots corresponding to the first clamping portion 22. The inner side of the key clamp 24 is hollowed out and provided with an axially symmetrical second clamping portion 23. After assembly, the first clamping portion 22 is inserted into the slot of the key clamp 24. The key clamp 24 is suitable for anti-locking knobs of smaller specifications, which is convenient for users to use.

[0031] The above implementation modes cannot limit the protection scope of the present invention. The equivalent modifications and changes made by those skilled in the art without departing from the overall concept of the present invention are still within the scope of the present invention.

Claims

1. A compact and easy-to-install locking device, comprising a housing (1), characterized in that: A laterally protruding connection portion (11) is provided at one end of the housing (1); a rotating clamp (2) is mounted on the lower side of the connection portion (11); a screwdriver (3) is mounted on the upper side of the connection portion (11) and rotates coaxially with the rotating clamp (2); a reduction motor (4) is mounted in the housing (1); an output end of the reduction motor (4) is connected to the axis of the rotating clamp (2) via a gear set; and a control panel (6) electrically connected to the reduction motor (4) is mounted in the housing (1).

2. According to claim 1, the compact and easy-to-install locking device is characterized in that A battery compartment (12) is provided inside the housing (1), a battery assembly (7) is installed inside the battery compartment (12), and the battery assembly (7) is electrically connected to the control board (6) and the reduction motor (4); after assembly, the battery assembly (7) is located on the control board (6) and the reduction motor (4).

3. According to claim 2, the compact and easy-to-install locking device is characterized in that A cover plate (13) is detachably mounted on the upper end of the housing (1).

4. According to claim 3, the compact and easy-to-install locking device is characterized in that The control panel (6) is provided with a forward button (61) and a reverse button (62), and the cover plate (13) is provided with a hollow position (14) corresponding to the forward button (61) and the reverse button (62). After assembly, the forward button (61) and the reverse button (62) extend out of the hollow position (14).

5. According to claim 1, the compact and easy-to-install locking device is characterized in that The gear set comprises an output tooth (51), a connecting tooth (52) and a linkage tooth (53); the output tooth (51) is mounted on the output end of the reduction motor (4); the connecting tooth (52) is located between the output tooth (51) and the linkage tooth (53); a rotating shaft (21) is provided at the upper end of the rotating clamp (2); the linkage tooth (53) is provided with a connecting port (54) corresponding to the rotating shaft (21); after assembly, the rotating shaft (21) is inserted into the connecting port (54) and fixedly connected to the hand screw (3).

6. The compact and easy-to-install locking device according to claim 1 is characterized in that An axially symmetrical first clamping portion (22) is provided on the inner side of the top of the rotating clamp (2), and an axially symmetrical second clamping portion (23) is provided on the inner side of the first clamping portion (22), wherein the height of the first clamping portion (22) is greater than the height of the second clamping portion (23).

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