Cabinet intelligent lock

Abstract

The utility model provides an intelligent lock for a cabinet. The intelligent lock comprises a lock box, a lock cylinder, a handle and a linear driving mechanism, the lock cylinder comprises an outer rotating seat and an inner rotating shaft, the outer rotating seat is rotatably mounted on the lock box, and the inner rotating shaft is rotatably connected to the inner side of the outer rotating seat; the handle is arranged at the top end of the inner rotating shaft; a first locking piece and a second locking piece are arranged at the movable end of the linear driving mechanism in a spaced mode and used for driving the movable end to move linearly. According to the cabinet intelligent lock provided by the utility model, the first locking piece and the second locking piece are linearly driven by the linear driving mechanism, can lift the handle and rotate the outer rotating seat in the lock cylinder in the first position state and the unlocking position, and are in the locking state in the second position state, so that the handle cannot be lifted; and linkage of the outer rotating seat and the inner rotating shaft is disconnected, the outer rotating seat in the lock cylinder cannot be driven to rotate even if the handle is forcibly disassembled and rotated, a double locking structure is formed, and the anti-disassembly and anti-theft safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cabinet lock technical field, concretely relates to a cabinet intelligent lock. BACKGROUND

[0002] Cabinet lock is used for locking the special lock of cabinet door, and is widely applied in daily life and production. At present, most cabinet locks are mechanical locks, simple structure, poor safety. Therefore, electronic cabinet lock gradually appears, for example, Chinese patent 201620297405.0 discloses cabinet electronic lock, including connecting rod handle, pivot, trigger device, controller, motor, lock, lead screw spring, lock spring and lock body, and the locking of the cabinet body is formed by locking the handle.

[0003] For the above prior art, the handle locking mode can prevent the rotation of the lock tongue, but if the handle structure is forcibly destroyed, the handle can still be lifted to rotate the lock core to unlock, and the anti-disassembly and anti-theft performance is insufficient. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the above technical insufficient, proposes a cabinet intelligent lock, and solves the technical problem that the handle structure is forcibly destroyed in prior art, and the handle can be lifted to unlock.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a cabinet intelligent lock, including:

[0007] Lock box;

[0008] Lock core, it includes outer rotary seat and inner rotary shaft, the outer rotary seat rotation is installed on the lock box, the inner rotary shaft is rotationally connected in the inner side of the outer rotary seat;

[0009] Handle, it is set up in the top of the inner rotary shaft;And

[0010] Linear drive mechanism, the movable end interval is equipped with first locking part and second locking part, is used for driving movable end linear movement, forms the first locking part and handle separation, second locking part radial and is arranged between the first position state of outer rotary seat and inner rotary shaft, and the second position state of first locking part and handle clamping, second locking part is separated from the inner rotary shaft.

[0011] In some embodiments, the second locking member comprises a second frame and a latch, the second frame is arranged on the movable end of the linear driving mechanism, one end of the latch is in abutment with the second frame, an elastic telescopic member is mounted on the inner rotating shaft and in abutment with the other end of the latch; in the first position state, the latch is radially inserted between the outer rotating seat and the inner rotating shaft and compresses the elastic telescopic member; in the second position state, the elastic telescopic member pushes the latch away from the inner side of the inner rotating shaft.

[0012] In some embodiments, the outer side of the outer rotating seat is provided with a through hole, the outer side of the inner rotating shaft is provided with a positioning groove, the elastic telescopic member comprises a first spring and a spherical block, the first spring is mounted on the inner side of the positioning groove, the spherical block is fixedly connected to one end of the first spring, and in the natural state of the first spring, the latch is inserted into the through hole and in abutment with the spherical block.

[0013] In some embodiments, the top of the inner rotating shaft is provided with a bracket, and the inner rotating shaft is hinged to the handle through the bracket.

[0014] In some embodiments, the first locking member comprises a first frame, the first frame is arranged on the movable end of the linear driving mechanism and linearly arranged with the second frame.

[0015] In some embodiments, the side of the first frame away from the second frame is provided with a trapezoidal block, the bottom of the handle is provided with a hook, the hook corresponds to the position of the trapezoidal block, and in the second position state, the hook is clamped into the inner side.

[0016] In some embodiments, the driving end of the linear driving mechanism is connected with a cylindrical rod, the outer side of the cylindrical rod is sleeved with two frame bodies, the second spring is connected between the frame bodies and the cylindrical rod, and the first frame and the second frame are both provided with a plug hole corresponding to the plug-in of the frame bodies.

[0017] In some embodiments, the top of the lock box is provided with an embedded groove, the handle is embedded in the inner side of the embedded groove, and the top of the handle is provided with a pull opening.

[0018] In some embodiments, the outer side of the inner rotating shaft is provided with an annular groove, the top of the outer rotating seat is provided with an annular plate, and the annular plate is plugged into the annular groove.

[0019] In some embodiments, the lock box is provided with a control circuit board, a controller and a wireless module are mounted on the control circuit board, the wireless module is electrically connected with the controller, is used for receiving a wireless control signal and transmitting to the controller, the controller is electrically connected with the linear drive mechanism, is used for controlling the linear movement of the active end of the linear drive mechanism according to the control signal, and the first locking part and the second locking part are switched between the first position state and the second position state.

[0020] Compared with the prior art, the cabinet intelligent lock provided by the utility model, through the linear driving of the first locking part and the second locking part under the linear drive mechanism, in the first position state, in the unlocking position, the handle can be lifted and the outer rotating seat in the lock cylinder is rotated, in the second position state, in the locking state, the handle cannot be lifted, and the linkage of the outer rotating seat and the inner rotating shaft is disconnected, the handle cannot be lifted and the outer rotating seat in the lock cylinder is rotated, a double locking structure is formed, and the security of the anti-disassembly and anti-theft is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the external structure diagram of the cabinet intelligent lock provided by the utility model embodiment;

[0022] Figure 2 is the internal structure diagram of the cabinet intelligent lock provided by the utility model embodiment;

[0023] Figure 3 is the internal structure diagram of the cabinet intelligent lock provided by the utility model embodiment. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0025] In order to solve the technical problem that the handle structure is forcibly destroyed and the handle is lifted to be unlocked, the utility model provides a cabinet intelligent lock, which can realize double locking of the handle and the lock cylinder, and the lock cylinder cannot be rotated after forcibly destroying the handle.

[0026] It should be noted that the cabinet intelligent lock described in the utility model is used for but not limited to cabinets and the like, in order to facilitate the description, in the utility model, only the cabinet intelligent lock applied to the cabinet is taken as an example to be described, and the principle of the cabinet intelligent lock applied to other types of equipment is substantially the same as that applied to the cabinet, which is not described here.

[0027] Please refer to Figures 1-3The utility model provides a kind of cabinet intelligent lock, and cabinet intelligent lock includes lock box 1, lock core 2, handle 3 and linear drive mechanism 4;Lock core 2 includes outer rotating seat 21 and inner rotating shaft 22, the outer rotating seat 21 is rotatably installed on the lock box 1, the bottom end of outer rotating seat 21 is used to connect lock tongue, rotating outer rotating seat 21 can drive lock tongue to rotate, the locking and unlocking of cabinet are carried out, wherein the inner rotating shaft 22 is rotatably connected to the inner side of the outer rotating seat 21, when inner rotating shaft 22 and outer rotating seat 21 are not linked, inner rotating shaft 22 can rotate relative to outer rotating seat 21, and outer rotating seat 21 is not driven to rotate;Handle 3 is arranged at the top of the inner rotating shaft 22, when inner rotating shaft 22 and outer rotating seat 21 are not linked, rotating handle 3 can only drive inner rotating shaft 22 to rotate, and outer rotating seat 21 cannot be driven to rotate, so that the purpose of rotating lock tongue to form unlocking cannot be achieved;The movable end of linear drive mechanism 4 is provided with first locking piece 5 and second locking piece 6 at intervals, for driving movable end linear movement, forming the first locking piece 5 and handle 3 separation, second locking piece 6 is radially inserted between outer rotating seat 21 and inner rotating shaft 22 The first position state, and the second position state that first locking piece 5 and handle 3 are clamped, second locking piece 6 is separated from inner rotating shaft 22.In the first position state, second locking piece 6 is radially inserted on outer rotating seat 21 and inner rotating shaft 22, to form the linkage of outer rotating seat 21 and inner rotating shaft 22, when rotating handle 3, inner rotating shaft 22 is driven to rotate, under the transmission of second locking piece 6, outer rotating seat 21 can be driven to rotate, so that lock tongue can be driven to rotate, form unlocking, i.e. the position state, handle 3 can be moved, and can be rotated to unlock;In the second position state, first locking piece 5 and handle 3 are clamped, and second locking piece 6 is separated from inner rotating shaft 22, the position state, handle 3 is locked, and lock core 2 is also locked, by breaking and demolishing handle 3, only the rotation locking of handle 3 can be released, and the locking of lock core 2 is not released, at this time, rotating handle 3 can only drive inner rotating shaft 22 to rotate, and outer rotating seat 21 cannot be driven to rotate, so that lock tongue cannot be driven to rotate to unlock.

[0028] In one embodiment, please refer to Figure 2 and Figure 3, in order to form the lock and unlock of the lock cylinder 2, the second locking member 6 comprises a second frame body 61 and a bolt 62, the second frame body 61 is arranged on the movable end of the linear driving mechanism 4, the second frame body 61 is in abutment with one end of the bolt 62, the elastic expansion member 7 is installed on the inner rotating shaft 22 and is in abutment with the other end of the bolt 62; in the first position state, the bolt 62 is radially inserted between the outer rotating seat 21 and the inner rotating shaft 22 and compresses the elastic expansion member 7; in the second position state, the elastic expansion member 7 pushes the bolt 62 away from the inner side of the inner rotating shaft 22. In the first position state, the linear driving mechanism 4 drives the second frame body 651 to push the bolt 62 from the outer rotating seat 21 into the inner rotating shaft 22 and compresses the elastic expansion member 7 on the inner rotating shaft 22; in the second position state, the linear driving mechanism 4 drives the second frame body 651 to return to the initial position, and the elastic expansion member 7 rebounds to push the bolt 62 back to the original position and out of the inner rotating shaft 22.

[0029] It can be understood that the linear driving mechanism 4 refers to a transmission mechanism that drives the movable end to move back and forth linearly, which can adopt a common crank slider mechanism in machinery, can also adopt a lead screw guide pair, and can also adopt a reciprocating linear motion mechanism in the form of an electromagnet, which is not limited.

[0030] Specifically, please refer to Figure 3 , the outer side of the outer rotating seat 21 is provided with a through hole 2101, and the outer side of the inner rotating shaft 22 is provided with a positioning groove 2201, and in the locking position, that is, the second position state, the positioning groove 2201 is aligned with the through hole 2101, wherein the elastic expansion member 7 comprises a first spring 71 and a spherical block 72, the first spring 71 is installed on the inner side of the positioning groove 2201, and the spherical block 72 is fixedly connected to one end of the first spring 71, and in the natural state, that is, in the second position state, the bolt 62 is inserted into the through hole 2101 and is in abutment with the spherical block 72.

[0031] In this embodiment, the end of the bolt 62 away from the spherical block 72 is circular.

[0032] In one of the embodiments, please refer to Figure 2 and Figure 3 , the top of the inner rotating shaft 22 is provided with a support 2202, and the inner rotating shaft 22 is hinged to the handle 3 through the support 2202, and when the handle 3 needs to be used, it can be lifted by rotating.

[0033] In one of the embodiments, please refer to Figure 2 and Figure 3 , the first locking member 5 comprises a first frame body 51, and the first frame body 51 is arranged on the movable end of the linear driving mechanism 4 and is linearly arranged with the second frame body 61.

[0034] Specifically, the first frame body 51 is provided with a trapezoidal block 52 away from the second frame body 61, the bottom of the handle 3 is provided with a hook 301, the hook 301 corresponds to the position of the trapezoidal block 52, and in the second position state, the hook 301 is clamped into the inside of the hook 301, and the inside of the hook 301 corresponds to the position of the trapezoidal block 52.

[0035] In one embodiment, referring to Figure 2 and Figure 3 , in order to avoid jamming, a certain elastic deformation amount is provided, the driving end of the linear drive mechanism 4 is connected with a cylindrical rod 401, the outside of the cylindrical rod 401 is sleeved with two frame bodies 402, the second spring 403 is connected between the frame body 402 and the cylindrical rod 401, the first frame body 51 and the second frame body 61 are both provided with a insertion hole corresponding to the insertion of the frame body 402, the first frame body 51 and the second frame body 61 are both slidingly connected with the front and rear walls of the lock box 1, and a certain elastic expansion range of the first frame body 51 and the second frame body 61 is provided by the second spring 403.

[0036] As can be understood, when the hook 301 is pushed down, it will push against the inclined surface of the trapezoidal block 52, thereby forming a pushing force, compressing the second spring 403, and the second spring 403 rebounds, thereby forming a clamping connection between the trapezoidal block 52 and the hook 301.

[0037] In one embodiment, referring to Figure 1 and Figure 2 , the top of the lock box 1 is provided with an embedded groove 101, the handle 3 is embedded in the inside of the embedded groove 101, the whole is integrated, and the aesthetic degree is improved, and the top of the handle 3 is provided with a pull opening 302, which is convenient for lifting the handle 3.

[0038] In one embodiment, referring to Figure 3 , the outside of the inner rotating shaft 22 is provided with an annular groove 2203, the top of the outer rotating seat 21 is provided with an annular plate 2102, the annular plate is inserted into the annular groove 2203, and the up and down positions of the inner rotating shaft 22 are limited.

[0039] In one embodiment, referring to Figure 2 , the lock box 1 is provided with a control circuit board 8, a controller and a wireless module are mounted on the control circuit board 8, the wireless module is electrically connected with the controller, is used for receiving a wireless control signal and transmitting to the controller, the controller is electrically connected with the linear drive mechanism 4, is used for controlling the linear movement of the movable end of the linear drive mechanism 4 according to the control signal, and the first locking part 5 and the second locking part 6 are switched between the first position state and the second position state.

[0040] It can be understood that the controller and the wireless module are only basic elements for providing wireless control, and are conventional prior art.

[0041] In order to better understand the present application, the following will be combined with Figures 1 to 3 The technical scheme of the present application is described in detail as follows: the first position state is an unlocking state, the handle 3 is in a separated state with the trapezoidal block 52 on the first frame body 51, the handle 3 can be lifted, the latch 62 is inserted between the through hole 2101 and the alignment slot 2201, and rotating the handle 3 can drive the inner rotating shaft 22, the latch 62 and the outer rotating seat 21 to rotate together; the second position state is a locking state, the handle 3 is clamped with the trapezoidal block 52 on the first frame body 51, and the latch 62 is separated from the alignment slot 2201; the switching between the first position state and the second position state is performed by the linear driving mechanism 4, the first frame body 51 and the second frame body 61 are simultaneously pushed to the left, i.e. switched to the second position state, and the first frame body 51 and the second frame body 61 are simultaneously pushed to the right, i.e. switched to the first position state.

[0042] The specific implementation of the present application described above does not constitute a limitation on the protection scope of the present application. Any other corresponding changes and modifications made according to the technical concept of the present application should be included in the protection scope of the claims of the present application.

Claims

1. A cabinet intelligent lock, characterized in that, The application relates to a lock box, which comprises a lock cylinder, a handle, a linear driving mechanism and a control circuit board. The lock cylinder comprises an outer rotating seat and an inner rotating shaft, the outer rotating seat is rotatably arranged on the lock box, and the inner rotating shaft is rotatably connected to the inner side of the outer rotating seat. The handle is arranged on the top end of the inner rotating shaft. The linear driving mechanism is arranged on the active end of the linear driving mechanism, and the first locking member and the second locking member are arranged on the active end. The second locking member comprises a second frame body and a bolt, the second frame body is arranged on the active end of the linear driving mechanism, one end of the bolt is in abutment with the second frame body, an elastic expansion member is arranged on the inner rotating shaft and is in abutment with the other end of the bolt.

2. The cabinet intelligent lock according to claim 1, characterized in that, In the first position state, the bolt is radially inserted between the outer rotating seat and the inner rotating shaft and compresses the elastic expansion member.

3. The cabinet intelligent lock of claim 2, wherein, In the second position state, the elastic expansion member pushes the bolt away from the inner side of the inner rotating shaft.

4. The cabinet intelligent lock of claim 3, wherein, The outer side of the outer rotating seat is provided with a through hole, the outer side of the inner rotating shaft is provided with a positioning groove, the elastic expansion member comprises a first spring and a spherical block, the first spring is arranged on the inner side of the positioning groove, and the spherical block is fixedly connected to one end of the first spring.

5. The cabinet intelligent lock of claim 4, wherein, The first spring is in abutment with the spherical block when the bolt is inserted into the through hole.

6. The cabinet intelligent lock of claim 5, wherein, The top of the inner rotating shaft is provided with a support, and the inner rotating shaft is hinged to the handle through the support.

7. The cabinet intelligent lock of claim 6, wherein, The first locking member comprises a first frame body, the first frame body is arranged on the active end of the linear driving mechanism and is linearly arranged with the second frame body.

8. The cabinet intelligent lock of claim 7, wherein, The side, away from the second frame body, of the first frame body is provided with a trapezoidal block, the bottom of the handle is provided with a hook, the hook corresponds to the position of the trapezoidal block, and the hook is clamped in the inner side in the second position state.

9. The cabinet intelligent lock of claim 8, wherein, The driving end of the linear driving mechanism is connected with a cylindrical rod, the outer side of the cylindrical rod is sleeved with two frame bodies, the second spring is connected between the frame bodies and the cylindrical rod, and the first frame body and the second frame body are both provided with insertion holes corresponding to the frame bodies.

10. The cabinet intelligent lock of claim 9, wherein, The top of the lock box is provided with an embedded groove, the handle is embedded in the inner side of the embedded groove, and the top of the handle is provided with a pull opening. The outer side of the inner rotating shaft is provided with an annular groove, the top of the outer rotating seat is provided with an annular plate, and the annular plate is inserted into the annular groove. The control circuit board is arranged in the lock box, a controller and a wireless module are arranged on the control circuit board, the wireless module is electrically connected with the controller, is used for receiving a wireless control signal and transmitting the wireless control signal to the controller, the controller is electrically connected with the linear driving mechanism, is used for controlling the linear movement of the active end of the linear driving mechanism according to the control signal, and is used for switching the first locking member and the second locking member between the first position state and the second position state.

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