Clutch type intelligent door lock structure

Abstract

The utility model discloses a clutch type intelligent door lock structure which comprises an inner door handle, an outer door handle and a square shaft arranged between the inner door handle and the outer door handle, and a support, a clutch structure, a driving motor, a mechanical lock, a power supply battery and a control circuit board are fixed in the outer door handle. The driving motor is arranged in the support, and the clutch structure is arranged between a main shaft of the driving motor and the square shaft; the mechanical lock is fixed to the outer side face of the support and provided with a driving piece, and the driving piece is connected with the clutch structure. The power supply battery is connected with the driving motor through the control circuit board; and the driving motor and the mechanical lock are connected with or separated from the square shaft through a clutch structure. The clutch structure is reasonable in structural arrangement, separation or clamping of the clutch structure can be achieved through rotation of the driving motor, using stability and safety are improved, clamping of the clutch structure can be achieved through a mechanical lock, using convenience and effectiveness are improved, applicability is high, and practicability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of intelligent door locks, and particularly relates to a clutch-type intelligent door lock structure. Background Art

[0002] An intelligent electronic door lock is a lock structure in which an intelligent authentication-driven unlocking device and a mechanical key-driven unlocking device jointly act on an unlocking point or a transmission structure of a mechanical lock. It has the advantages of convenient and fast unlocking and good anti-theft performance. It is mostly directly installed on the door handle and connected by a square shaft. After the intelligent electronic door lock is unlocked, the unlocking operation can be realized through the square shaft. Although it can meet the use requirements in general cases, it does not have a corresponding misalignment protection structure, which will affect the safety and stability of use to a certain extent, so its usability and practicality are limited. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a clutch-type intelligent door lock structure with reasonable structure setting and beneficial to improving the use stability.

[0004] The technical solution for realizing the purpose of the utility model is a clutch-type intelligent door lock structure, including an inner door handle, an outer door handle, and a square shaft arranged between the inner door handle and the outer door handle. A support, a clutch structure, a driving motor, a mechanical lock, a power supply battery, and a control circuit board are fixed inside the outer door handle;

[0005] The driving motor is arranged inside the support, and the clutch structure is arranged between the main shaft of the driving motor and the square shaft;

[0006] The mechanical lock is fixed on the outer side surface of the support, and a driving piece is arranged on the mechanical lock, and the driving piece is connected with the clutch structure;

[0007] The power supply battery is connected with the driving motor through the control circuit board;

[0008] The driving motor and the mechanical lock are connected or separated from the square shaft through the clutch structure.

[0009] Further preferably: The clutch structure includes a clutch outer cylinder, a driving circular plate, a transmission circular plate, a connecting column, and several magnets;

[0010] One end of the connecting column is connected to the square shaft, and a claw groove is arranged on the end surface of the connecting column far away from the square shaft;

[0011] The clutch outer cylinder is clamped inside the outer door handle and arranged between the support and the connecting column;

[0012] Connecting claws matched with the claw groove are arranged on the side surface of the transmission circular plate;

[0013] The driving circular plate is located inside the clutch outer cylinder and is connected to the main shaft of the driving motor;

[0014] The transmission circular plate is movably arranged inside the clutch outer cylinder;

[0015] At least two magnets are inlaid on both the transmission circular plate and the driving circular plate;

[0016] In the starting state, the transmission circular plate is adsorbed on the driving circular plate by the magnets, the connecting claw is separated from the claw groove, and the outer door handle rotates while the square shaft does not rotate;

[0017] When the driving motor rotates, it drives the driving circular plate to rotate. The transmission circular plate and the driving circular plate repel each other through the magnets, the connecting claw is engaged with the claw groove, and the rotation of the outer door handle makes the square shaft rotate synchronously.

[0018] Further preferably: Limit convex strips are arranged on the symmetric outer walls of the clutch outer cylinder;

[0019] Two guiding grooves are arranged on the inner wall of the clutch outer cylinder, and the guiding grooves are located inside the limit convex strips;

[0020] Guiding convex blocks that cooperate with the guiding grooves are arranged on the outer wall of the transmission circular plate;

[0021] The transmission circular plate can be translated and arranged inside the clutch outer cylinder, and the guiding convex blocks are located inside the guiding grooves;

[0022] The clutch outer cylinder is located inside the outer door handle and is limited by the limit convex strips.

[0023] Further preferably: The two magnets on the transmission circular plate are arranged at both ends of the diameter, and the polarities of the two magnets on the same side are opposite;

[0024] The positions of the two magnets on the driving circular plate cooperate with the positions of the two magnets on the transmission circular plate;

[0025] And the positions of the two magnets on the driving circular plate cooperate with the polarities of the two magnets on the transmission circular plate.

[0026] Further preferably: A strip-shaped groove communicating with one of the guiding grooves is arranged on the side wall of the clutch outer cylinder;

[0027] One end of the driving piece passes through the strip-shaped groove and adheres to the side surface of the transmission circular plate;

[0028] When the mechanical lock is pushed inward, the transmission circular plate is pushed away from the driving circular plate through the driving piece, and the connecting claw is engaged with the claw groove.

[0029] Further preferably: A circular hole is arranged at the center of the end face of the connecting column;

[0030] A cylinder is fixed at the center of the end face of the driving circular plate, and the cylinder is telescopically arranged in the circular hole.

[0031] Further preferably, a fingerprint identifier connected to the control circuit board and a keyhole connected to the mechanical lock are provided on the outer door handle.

[0032] Further preferably, a cross-shaped card slot is provided at the center of the driving circular plate, and a cross-shaped card block is fixed on the main shaft of the driving motor;

[0033] The cross-shaped card block of the driving motor is snapped into the cross-shaped card slot for positioning.

[0034] Further preferably, an arc-shaped limiting groove is provided on the side surface of the driving circular plate;

[0035] A limiting bump is fixed on the end face of the support;

[0036] The limiting bump is movably arranged in the arc-shaped limiting groove, the driving motor drives the driving circular plate to rotate, and the driving circular plate is limited by the limiting bump and the groove wall of the arc-shaped limiting groove.

[0037] The utility model has positive effects: The structure of the utility model is reasonably arranged. A support, a clutch structure, a driving motor, and a mechanical lock are fixed inside the outer door handle. The driving motor is connected to the square shaft through the clutch structure. Therefore, the separation or engagement of the clutch structure can be realized by the rotation of the driving motor. When separated, the outer door handle is separated from the square shaft. When engaged, the outer door handle can drive the square shaft to rotate synchronously, improving the use stability and safety. Moreover, the engagement of the clutch structure can be realized through the mechanical lock, improving the use convenience and effectiveness. It has strong applicability and good practicability;

[0038] Meanwhile, the clutch structure includes a clutch outer cylinder, a driving circular plate, a transmission circular plate, a connecting column, and several magnets; the magnets are embedded in the driving circular plate and the transmission circular plate, and the two can achieve magnetic attraction and magnetic repulsion through the magnets. When the magnets are magnetically attracted, the driving circular plate is attached to the transmission circular plate. At this time, the transmission circular plate is separated from the connecting column to realize the separation operation. When the driving motor starts and drives the driving circular plate to rotate, the magnets of the two repel each other. At this time, the transmission circular plate is clawed with the connecting column, and the rotation of the outer door handle drives the clutch outer cylinder to act, and the clutch outer cylinder drives the transmission circular plate and the connecting column to rotate the square shaft to realize the unlocking operation, improving the use convenience and the use safety and reliability. It has strong applicability and good practicability. Description of the Drawings

[0039] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to specific embodiments in conjunction with the accompanying drawings, where:

[0040] Figure 1 is a schematic structural diagram of the present utility model;

[0041] Figure 2 is a schematic exploded structural diagram of the present utility model;

[0042] Figure 3 is a schematic structural diagram of another perspective when the present utility model is disassembled;

[0043] Figure 4 is an enlarged schematic structural diagram of the clutch structure in the present utility model.

[0044] Reference numerals: inner door handle 1, outer door handle 2, square shaft 3, support 4, clutch structure 5, clutch outer cylinder 51, driving circular plate 52, transmission circular plate 53, connecting column 54, magnet 55, driving motor 6, mechanical lock 7, power supply battery 8, control circuit board 9, driving piece 10, claw groove 11, connecting claw 12, limiting rib 13, guiding groove 14, guiding protrusion 15, strip groove 16, circular hole position 17, cylinder 18, fingerprint identifier 19, keyhole position 20, cross-shaped card slot 21, cross-shaped card block 22, arc-shaped limiting groove 23, limiting protrusion point 24. Specific embodiments

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0046] Embodiment

[0047] See Figures 1 to 4 As shown, a clutch-type intelligent door lock structure includes an inner door handle 1, an outer door handle 2, and a square shaft 3 disposed between the inner door handle and the outer door handle. In this embodiment, the above structure is a conventional structure of the prior art and is only simply applied, so it is not described in detail;

[0048] In the actual application process, a support 4, a clutch structure 5, a driving motor 6, a mechanical lock 7, a power supply battery 8, and a control circuit board 9 are fixedly installed inside the outer door handle; the control circuit board is a conventional structure of the prior art, mainly used for sensing signals and controlling the operation of the driving motor. The power supply battery can be a rechargeable lithium battery, a battery pack, or a power connector, mainly used for power supply. During assembly, the driving motor is arranged inside the support, and the clutch structure is arranged between the main shaft of the driving motor and the square shaft; the mechanical lock is fixed on the outer side surface of the support, and a driving piece 10 is arranged on the mechanical lock, and the driving piece is connected to the clutch structure; and the power supply battery is connected to the driving motor through the control circuit board; during use, the driving motor and the mechanical lock are connected or separated from the square shaft through the clutch structure. In this embodiment, the mechanical lock is used when the driving motor cannot work, mainly used to manually control the connection of the clutch structure, so that the outer door handle can rotate synchronously with the square shaft.

[0049] In the actual application process, the clutch structure includes a clutch outer cylinder 51, a driving circular plate 52, a transmission circular plate 53, a connecting column 54, and a plurality of magnets 55; in this embodiment, the magnets are cylindrical magnets, and the number is four. There are two driving circular plates 52 and two transmission circular plates 53 respectively. At this time, it is necessary to rotate 180 degrees to realize the connection or separation action of the clutch structure.

[0050] During assembly, one end of the connecting column is connected to the square shaft, and a claw groove 11 is arranged on the end surface of the connecting column away from the square shaft; the clutch outer cylinder is clamped inside the outer door handle and arranged between the support and the connecting column; and a connecting claw 12 matching with the claw groove is arranged on the side surface of the transmission circular plate; at the same time, the driving circular plate is arranged inside the clutch outer cylinder and connected to the main shaft of the driving motor; the transmission circular plate is movably arranged inside the clutch outer cylinder; at least two magnets are inlaid on both the transmission circular plate and the driving circular plate; during use, in the initial state, the transmission circular plate is adsorbed on the driving circular plate by the magnet, the connecting claw is separated from the claw groove, the outer door handle rotates and the square shaft does not rotate; the driving motor rotates, driving the driving circular plate to rotate, the transmission circular plate and the driving circular plate repel each other through the magnet, the connecting claw is engaged with the claw groove, and the rotation of the outer door handle makes the square shaft rotate synchronously. In this embodiment, there are four connecting claws and four claw grooves respectively. Rotating 180 degrees can ensure the effectiveness and reliability of the claw connection.

[0051] In actual application, a limiting convex strip 13 is provided on the symmetrical outer wall of the clutch outer cylinder; two guide grooves 14 are provided on the inner wall of the clutch outer cylinder, and the guide grooves are located on the inner side of the limiting convex strip; and a guide protrusion 15 matching with the guide groove is provided on the outer wall of the transmission circular plate; when connected, the transmission circular plate can be arranged in the clutch outer cylinder in translation, and the guide protrusion is located in the guide groove; the clutch outer cylinder is located in the outer door handle and is limited by the limiting convex strip. Through the above structure, the stability of the position of the connection between the clutch outer cylinder and the outer door handle can be ensured, so that the outer door handle can drive the clutch outer cylinder to rotate, and the transmission circular plate can be ensured to rotate synchronously with the clutch outer cylinder by matching the guide groove with the guide protrusion. When the transmission circular plate is connected with the connecting column claw, the transmission circular plate can be rotated by the square shaft, and when the transmission circular plate is separated from the connecting column, the transmission circular plate cannot drive the square shaft to rotate.

[0052] In actual application, the two magnets on the transmission circular plate are arranged at both ends of the diameter, and the two magnets on the same side have opposite polarities; the positions of the two magnets on the driving circular plate match the positions of the two magnets on the transmission circular plate; and the positions of the two magnets on the driving circular plate match the polarities of the two magnets on the transmission circular plate. Through the above structure, the stability and effectiveness of magnetic attraction or repulsion can be ensured, and it is highly practical.

[0053] In actual application, a strip groove 16 connected to one of the guide grooves is provided on the side wall of the clutch outer cylinder; one end of the drive plate passes through the strip groove and is attached to the side of the transmission circular plate; and the mechanical lock is pushed inward, and the transmission circular plate is pushed away from the driving circular plate through the drive plate, and the connecting claw is engaged with the claw groove. Through the above structure, when the drive motor cannot work, the drive plate can be pushed by the mechanical lock to engage the transmission circular plate with the connecting column, and the outer door handle can drive the square shaft to rotate synchronously.

[0054] In actual application, a circular hole 17 is provided at the center of the end face of the connecting column; a cylinder 18 is fixed at the center of the end face of the transmission circular plate, and the cylinder is retractably arranged in the circular hole. Through the above structure, the connection stability between the transmission circular plate and the connecting column can be ensured, and the misalignment can be prevented, which is highly practical.

[0055] In actual application, the outer door handle is provided with a fingerprint identifier 19 connected to the control circuit board and a key hole 20 connected to the mechanical lock. In addition, a cross-shaped card slot 21 is provided at the center of the driving circular plate, and a cross-shaped card block 22 is fixed on the main shaft of the driving motor; the cross-shaped card block of the driving motor is inserted into the cross-shaped card slot for positioning. Through the above structure, the stability and reliability of the connection between the driving motor and the driving circular plate can be guaranteed.

[0056] Moreover, in this embodiment, an arc-shaped limiting groove 23 is provided on the side surface of the driving circular plate; a limiting bump 24 is fixed on the end surface of the support. During use, the limiting bump is movably arranged in the arc-shaped limiting groove, and the driving motor drives the driving circular plate to rotate, and the rotation position is limited by the limiting bump and the groove wall of the arc-shaped limiting groove. Through the above structure, excessive rotation can be prevented, the rotation position can be limited, and the use stability and effectiveness are improved.

[0057] The utility model has positive effects: The structure of the utility model is reasonably arranged. A support, a clutch structure, a driving motor, and a mechanical lock are fixed inside the outer door handle. The driving motor is connected to the square shaft through the clutch structure. Therefore, the separation or engagement of the clutch structure can be realized by the rotation of the driving motor. When separated, the outer door handle is separated from the square shaft. When engaged, the outer door handle can drive the square shaft to rotate synchronously, improving the use stability and safety. Moreover, the engagement of the clutch structure can be realized through the mechanical lock, improving the use convenience and effectiveness. It has strong applicability and good practicability.

[0058] At the same time, the clutch structure includes a clutch outer cylinder, a driving circular plate, a transmission circular plate, a connecting column, and several magnets; the magnets are embedded in the driving circular plate and the transmission circular plate, and the two can achieve magnetic attraction and magnetic repulsion through the magnets. When the magnets are magnetically attracted, the driving circular plate is attached to the transmission circular plate. At this time, the transmission circular plate is separated from the connecting column, realizing the separation operation. When the driving motor starts to rotate the driving circular plate, the magnets of the two repel each other. At this time, the transmission circular plate is clawed with the connecting column, and the rotation of the outer door handle drives the clutch outer cylinder to move. The clutch outer cylinder drives the transmission circular plate and the connecting column to rotate the square shaft, realizing the unlocking operation, improving the use convenience and the use safety and reliability. It has strong applicability and good practicability.

[0059] The standard parts used in this embodiment can be directly purchased from the market. For the non-standard structural components described in the specification, they can also be directly processed without any doubt according to the existing technical knowledge. At the same time, the connection methods of each component adopt the mature conventional means in the existing technology, and the machines, parts, and equipment all adopt the conventional models in the existing technology. Therefore, no specific description will be made here.

[0060] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limiting the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And these obvious changes or modifications derived from the essential spirit of the present utility model still fall within the protection scope of the present utility model.

Claims

1. A clutch-type intelligent door lock structure, comprising an inner door handle, an outer door handle, and a square shaft disposed between the inner door handle and the outer door handle, characterized in that: A support, a clutch structure, a drive motor, a mechanical lock, a power supply battery, and a control circuit board are fixedly installed inside the outer door handle; The drive motor is arranged inside the support, and the clutch structure is arranged between the main shaft of the drive motor and the square shaft; The mechanical lock is fixed on the outer side surface of the support, and a drive piece is arranged on the mechanical lock, and the drive piece is connected with the clutch structure; The power supply battery is connected with the drive motor through the control circuit board; The drive motor and the mechanical lock are connected or separated from the square shaft through the clutch structure.

2. The structure of a clutch-type intelligent door lock according to claim 1, characterized in that: The clutch structure includes a clutch outer cylinder, a drive circular plate, a transmission circular plate, a connecting column, and a plurality of magnets; One end of the connecting column is connected to the square shaft, and a claw groove is arranged on the end surface of the connecting column far away from the square shaft; The clutch outer cylinder is clamped inside the outer door handle and is arranged between the support and the connecting column; Connecting claws matched with the claw groove are arranged on the side surface of the transmission circular plate; The drive circular plate is inside the clutch outer cylinder and is connected to the main shaft of the drive motor; The transmission circular plate is movably arranged inside the clutch outer cylinder; At least two magnets are inlaid on both the transmission circular plate and the drive circular plate; In the starting state, the transmission circular plate is adsorbed on the drive circular plate through the magnets, the connecting claws are separated from the claw groove, and the outer door handle rotates while the square shaft does not rotate; The drive motor rotates, driving the drive circular plate to rotate. The transmission circular plate and the drive circular plate repel each other through the magnets, the connecting claws are engaged with the claw groove, and the rotation of the outer door handle makes the square shaft rotate synchronously.

3. The structure of a clutch-type intelligent door lock according to claim 2, characterized in that: Limiting convex strips are arranged on the symmetric outer walls of the clutch outer cylinder; Two guiding grooves are arranged on the inner wall of the clutch outer cylinder, and the guiding grooves are inside the limiting convex strips; Guiding convex blocks matched with the guiding grooves are arranged on the outer wall of the transmission circular plate; The transmission circular plate can be translated inside the clutch outer cylinder, and the guiding convex blocks are inside the guiding grooves; The clutch outer cylinder is inside the outer door handle and is limited by the limiting convex strips.

4. The structure of a clutch-type intelligent door lock according to claim 3, characterized in that: The two magnets on the transmission circular plate are arranged at both ends of the diameter, and the polarities of the two magnets on the same side are opposite; The positions of the two magnets on the drive circular plate are matched with the positions of the two magnets on the transmission circular plate; And the positions of the two magnets on the drive circular plate are matched with the polarities of the two magnets on the transmission circular plate.

5. The structure of a clutch-type intelligent door lock according to claim 3, wherein: A strip-shaped groove communicated with one of the guiding grooves is arranged on the side wall of the clutch outer cylinder; One end of the drive piece passes through the strip-shaped groove and adheres to the side surface of the transmission circular plate; When the mechanical lock is pushed inward, the transmission circular plate is pushed away from the drive circular plate through the drive piece, and the connecting claws are engaged with the claw groove.

6. The structure of a clutch-type intelligent door lock according to claim 2, characterized in that: A circular hole position is arranged at the center of the end surface of the connecting column; A cylinder is fixed at the center of the end surface of the transmission circular plate, and the cylinder can be telescopically arranged inside the circular hole position.

7. The structure of a clutch-type intelligent door lock according to claim 1, characterized in that: A fingerprint recognizer connected with the control circuit board and a key hole position connected with the mechanical lock are arranged on the outer door handle.

8. The structure of a clutch-type intelligent door lock according to claim 2, characterized in that: A cross-shaped card slot is arranged at the center of the drive circular plate, and a cross-shaped card block is fixed on the main shaft of the drive motor; The cross-shaped card block of the drive motor is clamped into the cross-shaped card slot for positioning.

9. The structure of a clutch-type intelligent door lock according to claim 2, characterized in that: An arc-shaped limiting groove is provided on the side surface of the driving circular plate; A limiting bump is fixed on the end surface of the support; The limiting bump is movably arranged in the arc-shaped limiting groove, and the driving motor drives the driving circular plate to rotate, and is limited by the limiting bump and the groove wall of the arc-shaped limiting groove.

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