Lock body structure for smart door lock

Abstract

The second locking executing part abuts against the driving motor to drive the driving motor to separate the gear group before the lock tongue is locked.

Description

Technical Field

[0001] The present invention relates to the technical field of lock bodies, and in particular to a lock body structure for an intelligent door lock. Background Art

[0002] As the population continues to increase, the number of houses is also increasing. Door locks are one of the important structures that control the opening and closing of houses.

[0003] Existing smart door locks are mainly unlocked by fingerprints, passwords and induction cards. After the internal chip is processed, the control motor drives the follower to realize the unlocking action. However, in the current use process, since the motor used to control the unlocking is mainly transmitted through gears, there is a large resistance between the motor and the transmission gear. When the key is used to drive the lock, it is necessary to overcome the motor's own resistance to complete the unlocking action, which makes the unlocking operation force large, affecting the customer's experience. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is that the smart door locks in the prior art are mainly unlocked by fingerprints, passwords and induction cards. After the internal chip processing is completed, the control motor drives the follower to realize the unlocking action. However, in the current use process, since the motor used to control the unlocking is mainly transmitted through gears, there is a large resistance between the motor and the transmission gear. When the lock is unlocked by the key, it is necessary to overcome the motor's own resistance to complete the unlocking action, which makes the unlocking operation force large, affecting the customer's experience.

[0005] To this end, the present invention provides a lock body structure for an intelligent door lock, which includes a housing, a drive motor, a lock tongue, and a lock core. The drive motor is suitable for driving the lock tongue to extend and retract through a gear set; a key is suitable for inserting into the lock core to control the extension and retraction of the lock tongue;

[0006] A lock core shift block is provided in the lock core, and the lock core shift block is driven to rotate by the key;

[0007] The lock body structure includes:

[0008] A paddle assembly, comprising a lock tongue paddle, which is movably connected to the housing, and the lock tongue paddle is connected to the lock tongue;

[0009] A lock cylinder unlocking paddle is movably connected to the housing, and the lock cylinder unlocking paddle includes an unlocking driving portion, a first unlocking execution portion, and a second unlocking execution portion;

[0010] A lock core locking paddle is movably connected to the housing, and the lock core locking paddle includes a locking driving portion, a first locking execution portion, and a second locking execution portion;

[0011] When the lock cylinder block is driven by the key to rotate in the unlocking direction, the unlocking driving portion abuts against the lock cylinder block to drive the lock cylinder unlocking paddle to rotate; the first unlocking executing portion abuts against the lock tongue paddle to drive the lock tongue paddle to rotate in the first direction to drive the lock tongue to unlock; the second unlocking executing portion abuts against the driving motor to drive the driving motor to separate from the gear set;

[0012] When the lock core shift block is driven by the key to rotate in the locking direction, the locking driving part abuts against the lock core shift block to drive the lock core locking paddle to rotate; the first locking execution part abuts against the lock tongue paddle to drive the lock tongue paddle to rotate in the opposite direction along the first direction to drive the lock tongue to lock; the second locking execution part abuts against the driving motor to drive the driving motor to separate from the gear set before the lock tongue is locked.

[0013] Optionally, the lock body structure further includes a lock core locking clutch plate, which is movably connected to the housing, and the lock core locking clutch plate abuts against the drive motor.

[0014] When the lock core shift block is driven by the key to rotate in the locking direction, the second locking execution part abuts against the locking clutch plate to drive it to rotate, so that the lock core locking clutch plate abuts against the driving motor to drive the driving motor to separate from the gear set before the lock tongue is locked.

[0015] Optionally, the lock tongue paddle is provided with a first paddle block and a second paddle block, the lock tongue is provided with a groove, and the first paddle block is arranged in the groove to drive the lock tongue to move;

[0016] When the lock core shift block is driven by the key to rotate in the locking direction, the first locking execution part abuts against the second shift block to drive the lock tongue shift piece to rotate in the opposite direction along the first direction to drive the lock tongue to lock.

[0017] Optionally, when the lock cylinder locking paddle is in the initial position, the second locking execution part abuts against the lock cylinder locking clutch plate, and there is a gap between the first locking execution part and the second paddle block, so as to drive the driving motor to separate from the gear set before the lock tongue is locked.

[0018] Optionally, the paddle assembly further includes a handle paddle fixedly connected to the lock tongue paddle;

[0019] When the lock core shift block is driven by the key to rotate in the unlocking direction, the first unlocking execution portion abuts against the handle shift piece to drive the lock tongue shift piece to rotate in the first direction to drive the lock tongue to unlock.

[0020] Optionally, when the lock cylinder unlocking paddle is in the initial position, the second unlocking execution part abuts against the drive motor, and there is a gap between the first unlocking execution part and the handle paddle, so as to drive the drive motor to separate from the gear set before the lock tongue is unlocked.

[0021] Optionally, the first locking execution part has an arc surface on one side close to the second shift block, the second shift block is rotationally connected to the lock tongue shift piece, and when the lock core shift block is driven by the key to rotate in the locking direction, the second shift block rolls on the arc surface of the first locking execution part.

[0022] Optionally, the lock cylinder locking clutch piece is adapted to be sloped with respect to one side of the second locking execution part, and the second locking execution part is a roller rotatably connected to the lock cylinder locking paddle body;

[0023] When the lock core shift block is driven by the key to rotate in the locking direction, the roller rolls on the slope side of the lock core locking clutch plate to drive the lock core locking clutch plate to rotate.

[0024] Optionally, the unlocking drive part and the locking drive part are arranged on opposite sides of the lock core shift block, so that when the lock core shift block rotates along the unlocking or locking direction, it can abut against the locking drive part or the unlocking drive part.

[0025] Optionally, a reset member is provided between the drive motor and the housing, and after the lock core shift block is reset, the reset member drives the drive motor and the lock core unlocking shift piece to reset;

[0026] When the lock core shift block is driven by the key to rotate in the locking direction, the lock tongue is locked to drive the shift piece assembly to reset.

[0027] The lock body structure for an intelligent door lock provided by the present invention has the following advantages:

[0028] 1. The present invention provides a lock body structure for an intelligent door lock, which includes a housing, a driving motor, a lock tongue and a lock core. The driving motor is suitable for driving the lock tongue to extend and retract through a gear set; a key is suitable for inserting into the lock core to control the extension and retraction of the lock tongue, and a lock core shift block is provided in the lock core, and the lock core shift block is rotated by the key; the lock body structure includes a shift assembly, a lock core unlocking shift piece and a lock core locking shift piece, the shift assembly includes a lock tongue shift piece, which is movably connected to the housing, and the lock tongue shift piece is connected to the lock tongue; the lock core unlocking shift piece is movably connected to the housing, and the lock core unlocking shift piece includes an unlocking driving part, a first unlocking execution part and a second unlocking execution part; a lock cylinder locking paddle, movably connected to the housing, the lock cylinder locking paddle comprising a locking driving part, a first locking execution part and a second locking execution part; wherein, when the lock cylinder paddle block is driven by the key to rotate in the unlocking direction, the unlocking driving part abuts against the lock cylinder paddle block to drive the lock cylinder unlocking paddle to rotate; the first unlocking execution part abuts against the lock tongue paddle to drive the lock tongue paddle to rotate in the first direction to drive the lock tongue to unlock; the second unlocking execution part abuts against the driving motor to drive the driving motor to separate from the gear set;

[0029] When the lock core shift block is driven by the key to rotate in the locking direction, the locking driving part abuts against the lock core shift block to drive the lock core locking paddle to rotate; the first locking execution part abuts against the lock tongue paddle to drive the lock tongue paddle to rotate in the opposite direction along the first direction to drive the lock tongue to lock; the second locking execution part abuts against the driving motor to drive the driving motor to separate from the gear set before the lock tongue is locked.

[0030] The lock body structure of the intelligent door lock of this structure is provided with a paddle assembly, a lock cylinder unlocking paddle and a lock cylinder locking paddle. Therefore, when the lock cylinder paddle block is driven by the key to rotate in the unlocking direction, the driving motor and the gear set are separated in the following steps: the unlocking driving part abuts against the lock cylinder paddle block to drive the lock cylinder unlocking paddle to rotate; the first unlocking execution part abuts against the lock tongue paddle to drive the lock tongue paddle to rotate in the first direction to drive the lock tongue to unlock; the second unlocking execution part abuts against the driving motor to drive the driving motor to separate from the gear set;

[0031] When the lock core shift block is driven by the key to rotate in the locking direction, the driving motor and the gear set are separated in the following steps: the locking driving part abuts against the lock core shift block to drive the lock core locking paddle to rotate; the first locking execution part abuts against the lock tongue paddle to drive the lock tongue paddle to rotate in the opposite direction along the first direction to drive the lock tongue to lock; the second locking execution part abuts against the driving motor to drive the driving motor to separate from the gear set before the lock tongue is locked.

[0032] In summary, when unlocking is achieved by key-driven operation, there is no need to overcome the resistance of the motor itself to complete the unlocking action.

[0033] 2. The present invention provides a lock body structure for an intelligent door lock. When the lock cylinder locking paddle is in the initial position, the second locking execution part abuts against the lock cylinder locking clutch plate, and there is a gap between the first locking execution part and the second paddle block, so as to drive the driving motor to separate from the gear set before the lock tongue is locked.

[0034] The intelligent door lock with this structure uses a lock body structure, in which when the lock cylinder locking paddle is in the initial position, the second locking execution part abuts against the lock cylinder locking clutch piece, and there is a gap between the first locking execution part and the second shift block. Therefore, when the lock cylinder locking paddle just starts to rotate, the second locking execution part starts to push the lock cylinder locking clutch piece, thereby pushing the driving motor to separate from the gear set, and a gap is set between the first locking execution part and the second shift block, and only after the driving motor is separated from the gear set does it start to push the second shift block to achieve locking.

[0035] 3. The present invention provides a lock body structure for a smart door lock. When the lock core unlocking paddle is in the initial position, the second unlocking execution part abuts against the drive motor, and there is a gap between the second unlocking execution part and the handle paddle, so as to drive the drive motor to separate from the gear set before the lock tongue is unlocked.

[0036] The lock body structure of the smart door lock of this structure is designed to be able to drive the drive motor to separate from the gear group before the lock tongue is unlocked. When the lock cylinder unlocking paddle is in the initial position, the second unlocking execution part abuts against the drive motor, and there is a gap between the second unlocking execution part and the handle paddle. Therefore, when the second unlocking execution part abuts against the handle paddle, the second unlocking execution part has completed the process of separating the drive motor from the gear group. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0038] Figure 1 This is a schematic structural view of the lock body structure of the smart door lock provided in an embodiment of the present invention when it is in a locked state;

[0039] Figure 2 A schematic structural view of the lock body structure of the smart door lock provided in an embodiment of the present invention when in the unlocking process;

[0040] Figure 3 A schematic structural view of the lock body structure of the smart door lock provided in an embodiment of the present invention when in an unlocked state;

[0041] Figure 4 A schematic structural view of the lock body structure of the smart door lock provided in an embodiment of the present invention is in an unlocked state with the lock cylinder unlocked and the paddle returned to its original position;

[0042] Figure 5 A schematic structural view of the lock body structure for the smart door lock provided in an embodiment of the present invention when in the locking process;

[0043] Figure 6 This is a schematic structural view of the lock body structure of the smart door lock provided in an embodiment of the present invention after locking;

[0044] Figure 7 A schematic diagram of the specific structure of the lock body provided in an embodiment of the present invention;

[0045] Figure 8 for Figure 7 Schematic diagram of the back structure of the middle structure;

[0046] Description of reference numerals:

[0047] 1- shell;

[0048] 2- drive motor;

[0049] 3-Lock tongue;

[0050] 4-lock cylinder; 41-lock cylinder shift block;

[0051] 5-paddle assembly; 51-lock tongue paddle; 511-first paddle block; 512-second paddle block; 52-handle paddle;

[0052] 6-lock cylinder unlocking paddle; 61-unlocking driving unit; 62-first unlocking execution unit; 63-second unlocking execution unit;

[0053] 7-lock cylinder locking paddle; 71-locking drive unit; 72-first locking execution unit; 73-second locking execution unit;

[0054] 8-lock cylinder locking clutch plate;

[0055] 9-Square steel connecting seat. DETAILED DESCRIPTION

[0056] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0057] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0058] Example

[0059] This embodiment provides a lock body structure for a smart door lock. The smart door lock includes a housing 1, a drive motor 2, a lock tongue 3, a lock cylinder 4, a paddle assembly 5, a lock cylinder unlocking paddle 6, a lock cylinder locking paddle 7, and a lock cylinder locking clutch 8. The drive motor 2 is adapted to drive the lock tongue 3 to extend and retract via a gear train. A key is adapted to be inserted into the lock cylinder 4 to control the extension and retraction of the lock tongue 3. The paddle assembly 5 is sleeved on a square steel connecting seat 9 and is rotatable relative to the square steel connecting seat 9. The drive motor 2 drives the lock tongue 3 to extend and retract via a gear train. Its structure adopts existing technology, so its working principle will not be described in detail here.

[0060] In this embodiment, the driving motor 2 is hinged to the housing 1, and a reset member such as a torsion spring can be provided between the driving motor 2 and the housing 1 so that the driving motor 2 can always be in a state of being ... Figure 1 Position, in which the drive motor 2 engages with the gear set on its right side.

[0061] In this embodiment, a through hole for placing the lock tongue 3 is provided on the upper side of the shell 1, and a groove is provided on the lower side of the lock tongue 3. During installation, the first shift block 511 on the lock tongue paddle 51 is slidably set inside the groove, so that the lock tongue paddle 51 can drive the lock tongue 3 into the interior of the shell 1, and at the same time, the lock tongue 3 can also move upward to drive the lock tongue paddle 51 to reset.

[0062] In this embodiment, if Figure 7 and Figure 8 As shown, a lock core block 41 is provided in the lock core 4, and the lock core block 41 is rotated by the key; the lock core unlocking paddle 6 is hinged to the housing 1 at Figure 7 At center A, the lock cylinder unlocking paddle 6 includes an unlocking drive unit 61, a first unlocking actuator 62, and a second unlocking actuator 63. The paddle assembly 5 includes a bolt paddle 51 and a handle paddle 52, which are fixedly connected to the bolt paddle 51. Both the bolt paddle 51 and the handle paddle 52 have circular through-holes for being fitted onto the square steel connector 9, and the circular through-holes allow for free rotation on the square steel connector 9.

[0063] When the lock cylinder block 41 is driven by the key to unlock ( Figure 7 When the lock cylinder unlocking paddle 6 rotates clockwise around point A, the first unlocking execution part 62 abuts against the protruding part of the left end of the handle paddle 52 to drive the handle paddle 52 to rotate clockwise around point A. Figure 7 The lock bolt paddle 51 is rotated in the counterclockwise direction through the handle paddle 52, and the lock bolt paddle 51 is driven in the first direction ( Figure 7 The second unlocking execution part 63 abuts against the driving motor 2, so when the lock cylinder unlocking paddle 6 rotates clockwise around point A as a whole, the second unlocking execution part 63 pushes the driving motor 2 along the direction of the lock cylinder unlocking paddle 6. Figure 7 The locking mechanism 2 is rotated clockwise to drive the drive motor 2 to separate from the gear set before the locking tongue 3 is unlocked.

[0064] Specifically, in this embodiment, in order to achieve the separation of the drive motor 2 and the gear set before the lock tongue 3 is unlocked, when the lock cylinder unlocking paddle 6 is in the initial position, the second unlocking execution part 63 abuts against the drive motor 2, and there is a gap between the second unlocking execution part 63 and the handle paddle 52. Therefore, when the second unlocking execution part 63 abuts against the handle paddle 52, the second unlocking execution part 63 has completed the process of separating the drive motor 2 from the gear set. The initial position of the lock cylinder unlocking paddle 6 in the initial position refers to the following: Figure 7 The position shown is the position when the lock cylinder unlocking paddle 6 has not yet been pushed by the lock cylinder paddle block 41.

[0065] In this embodiment, the unlocking drive portion 61 is provided with a groove with a left opening for placing the lock cylinder block 41, and the unlocking drive portion 61 is located at the upper end of the lock cylinder block 41, so that when the lock cylinder block 41 moves in the unlocking direction ( Figure 7 When the unlocking drive unit 61 is rotated (in the clockwise direction), it can push the unlocking drive unit 61.

[0066] In some alternative embodiments, a roller is provided on the inner side of the left end of the handle paddle 52, and the lock cylinder unlocking paddle 6 is located inside the handle paddle 52. Figure 7When the roller rotates clockwise, the roller can roll on the side wall of the first unlocking execution portion 62 .

[0067] In some alternative embodiments, the handle paddle 52 may not be provided, and the first unlocking execution portion 62 may directly abut against the lock tongue paddle 51. Specifically, a protrusion may be provided on the lock tongue paddle 51 for abutting against an unlocking execution portion.

[0068] In this embodiment, if Figure 8 As shown, the lock core locking paddle 7 is movably connected to the shell 1 at B, the lock core locking paddle 7 includes a locking drive part 71, a first locking execution part 72 and a second locking execution part 73, the lock core locking clutch plate 8 is movably connected to the shell 1 at C, and the lock core locking clutch plate 8 is used to abut against the drive motor 2.

[0069] The lock core block 41 is driven by the key to move in the locking direction ( Figure 8 When the lock drive part 71 is rotated clockwise, the lock core shift block 41 abuts against the lock core shift piece 7 to drive the lock core locking shift piece 7 along the lock core. Figure 8 Turn clockwise to lock the lock cylinder and lock the pick 7 along the Figure 8 During the clockwise rotation, the first locking execution portion 72 abuts against the second shift block 512 on the bolt paddle 51 to drive the bolt paddle 51 in the reverse direction along the first direction ( Figure 8 The first block 511 on the lock tongue paddle 51 drives the lock tongue 3 to lock, and since the second locking execution part 73 abuts against the drive motor 2, the lock cylinder locking paddle 7 is rotated counterclockwise. Figure 8 During the clockwise rotation, the second locking execution part 73 pushes the driving motor 2 to separate from the gear set.

[0070] In this embodiment, in order to achieve the separation of the drive motor 2 from the gear set before the lock tongue 3 is locked, when the lock cylinder locking paddle 7 is in the initial position, the second locking actuator 73 abuts against the lock cylinder locking clutch plate 8, and there is a gap between the first locking actuator 72 and the second shift block 512. Therefore, when the lock cylinder locking paddle 7 begins to rotate, the second locking actuator 73 begins to push the lock cylinder locking clutch plate 8, thereby pushing the drive motor 2 to separate from the gear set. A gap is set between the first locking actuator 72 and the second shift block 512, and only after the drive motor 2 is separated from the gear set does it begin to push the second shift block 512 to achieve locking. The initial position of the lock cylinder locking paddle 7 in the initial position refers to the position when the door lock is in the open state and the lock cylinder locking paddle 7 is not pushed by the lock cylinder shift block 41.

[0071] In this embodiment, if Figure 8As shown, a groove with an opening on the right side is provided inside the lock core locking paddle 7 for placing the lock core paddle block 41, and the locking driving part 71 is located at the lower end of the lock core paddle block 41, so that when the lock core paddle block 41 moves in the locking direction ( Figure 8 When the locking mechanism 71 is rotated (in the clockwise direction), the locking drive unit 71 can be pushed.

[0072] In some alternative embodiments, the lock cylinder locking clutch plate 8 is adapted to be sloped with respect to one side of the second locking execution part 73, and the second locking execution part 73 is a roller rotatably connected to the lock cylinder locking paddle 7 body; when the lock cylinder paddle block 41 is driven by the key to rotate in the locking direction, the roller rolls upward on the sloped side of the lock cylinder locking clutch plate 8 to drive the lock cylinder locking clutch plate 8 to rotate.

[0073] In some alternative embodiments, the second shift block 512 is also a roller rotatably connected to the lock tongue shift piece 51, and the first locking execution part 72 is close to the side of the second shift block 512 for contacting with the roller. Figure 8 When the lock is turned clockwise, push the lock cylinder lock paddle 7 around Figure 8 The middle B rotates clockwise, and the first locking execution part 72 pushes the second shift block 512 to move upward to achieve locking.

[0074] In some alternative embodiments, such as Figure 8 As shown, the left corner of the bottom of the lock cylinder locking clutch plate 8 is set at an acute angle. When the lock cylinder locking clutch plate 8 is pushed by the second locking execution part 73, the lock cylinder locking clutch plate 8 is rotated around the left corner. Figure 8 Rotate counterclockwise at point C in the middle and move the left corner downward to press down on the drive motor 2.

[0075] In this embodiment, the unlocking drive unit 61 and the locking drive unit 71 are disposed on opposite sides of the lock cylinder block 41 so that when the lock cylinder block 41 rotates in the unlocking or locking direction, it can abut against the locking drive unit 71 or the unlocking drive unit 61.

[0076] The handle-type smart door lock provided in this embodiment operates as follows:

[0077] Unlocking steps are: Figures 1 to 3 As shown, Figure 1 This is a schematic diagram of the structure of the smart door lock when the lock body is in the locked state. Figure 2 This is a schematic diagram of the structure of the smart door lock body when it is in the unlocking process. Figure 3 This is a schematic diagram of the structure of the smart door lock body in the unlocked state. When in use, the key drives the lock core block 41 along the unlocking direction ( Figures 1 to 3The unlocking driving portion 61 abuts against the lock cylinder paddle 41 to drive the lock cylinder unlocking paddle 6 to rotate clockwise. During the clockwise rotation of the lock cylinder unlocking paddle 6, the first unlocking executing portion 62 abuts against the protruding portion of the left end of the handle paddle 52 to drive the handle paddle 52 to rotate counterclockwise, and then drives the lock tongue paddle 51 to rotate in the first direction ( Figures 1 to 3 Before pushing the handle paddle 52, the second unlocking execution part 63 abuts against the drive motor 2. Therefore, during the overall clockwise rotation of the lock cylinder unlocking paddle 6, the second unlocking execution part 63 pushes the drive motor 2 to rotate in the clockwise direction, so as to drive the drive motor 2 to separate from the gear set before the lock tongue 3 is unlocked.

[0078] The locking steps are as follows: Figures 4 to 6 As shown, Figure 4 This is a schematic diagram of the structure of the smart door lock with the lock body structure in the unlocked state and the lock cylinder unlocking paddle 6 returning to the center position. Figure 5 This is a schematic diagram of the structure of the smart door lock body when it is in the locking process. Figure 6 This is a schematic diagram of the structure of the lock body structure of the smart door lock after it is locked. When in use, the lock core block 41 is driven by the key to move in the locking direction ( Figures 4 to 6 When the cam 72 is in the unlocking state, the first locking actuator 72 abuts against the second block 512 on the lock tongue paddle 51 to drive the lock tongue paddle 51 to rotate in the opposite direction along the first direction, so as to drive the lock tongue 3 to be locked through the first block 511 on the lock tongue paddle 51, and because the second locking actuator 73 abuts against the driving motor 2 through the lock core locking clutch plate 8, before the first locking actuator 72 pushes the second block 512, the second locking actuator 73 can push the driving motor 2 to separate from the gear set through the lock core locking clutch plate 8.

[0079] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A lock body structure for an intelligent door lock, the intelligent door lock comprising a housing (1), a drive motor (2), a lock tongue (3) and a lock core (4), wherein the drive motor (2) is adapted to drive the lock tongue (3) to extend and retract via a gear set; and a key is adapted to be inserted into the lock core (4) to control the extension and retraction of the lock tongue (3), characterized in that: A lock core shift block (41) is provided in the lock core (4), and the lock core shift block (41) is driven to rotate by the key; The lock body structure includes: A paddle assembly (5) comprising a lock tongue paddle (51) movably connected to the housing (1), wherein the lock tongue paddle (51) is connected to the lock tongue (3); A lock core unlocking paddle (6) is movably connected to the housing (1), and the lock core unlocking paddle (6) comprises an unlocking driving portion (61), a first unlocking execution portion (62), and a second unlocking execution portion (63); A lock core locking paddle (7) is movably connected to the housing (1), and the lock core locking paddle (7) comprises a locking driving portion (71), a first locking execution portion (72), and a second locking execution portion (73); When the lock core shift block (41) is driven by the key to rotate in the unlocking direction, the unlocking driving portion (61) contacts the lock core shift block (41) to drive the lock core unlocking shift piece (6) to rotate; the first unlocking execution portion (62) contacts the lock tongue shift piece (51) to drive the lock tongue shift piece (51) to rotate in the first direction to drive the lock tongue (3) to unlock; during the rotation of the lock core unlocking shift piece (6), the second unlocking execution portion (63) drives the drive motor 2 to rotate synchronously to drive the drive motor (2) to separate from the gear set before the lock tongue (3) is unlocked; When the lock core shift block (41) is driven by the key to rotate in the locking direction, the locking driving part (71) contacts the lock core shift block (41) to drive the lock core locking paddle (7) to rotate; the first locking execution part (72) contacts the lock tongue paddle (51) to drive the lock tongue paddle (51) to rotate in the opposite direction along the first direction to drive the lock tongue (3) to lock; the second locking execution part (73) contacts the driving motor (2), so that during the rotation of the lock core locking paddle (7), the second locking execution part (73) pushes the driving motor (2) to separate from the gear set; The drive motor (2) is hinged to the housing 1, and a reset member is provided between the drive motor 2 and the housing 1.

2. The lock body structure for an intelligent door lock according to claim 1, characterized in that: The lock body structure further comprises a lock core locking clutch plate (8) movably connected to the housing (1), and the lock core locking clutch plate (8) is suitable for abutting against the drive motor (2). When the lock core shift block (41) is driven by the key to rotate in the locking direction, the second locking execution part (73) abuts against the locking clutch plate to drive it to rotate, so that the lock core locking clutch plate (8) abuts against the drive motor (2) to drive the drive motor (2) to separate from the gear set before the lock tongue (3) is locked.

3. The lock body structure for the smart door lock according to claim 2, characterized in that: The lock tongue paddle (51) is provided with a first paddle block (511) and a second paddle block (512); the lock tongue (3) is provided with a groove; the first paddle block (511) is arranged in the groove to drive the lock tongue (3) to move; When the lock core shift block (41) is driven by the key to rotate in the locking direction, the first locking execution part (72) abuts against the second shift block (512) to drive the lock tongue shift piece (51) to rotate in the opposite direction along the first direction, thereby driving the lock tongue (3) to lock.

4. The lock body structure for an intelligent door lock according to claim 3, characterized in that: When the lock cylinder locking paddle (7) is in the initial position, the second locking execution part (73) abuts against the lock cylinder locking clutch plate (8), and there is a gap between the first locking execution part (72) and the second paddle (512), so as to drive the driving motor (2) to separate from the gear set before the lock tongue (3) is locked.

5. The lock body structure for an intelligent door lock according to claim 1, characterized in that: The paddle assembly (5) further includes a handle paddle (52) fixedly connected to the lock tongue paddle (51); When the lock core shift block (41) is driven by the key to rotate in the unlocking direction, the first unlocking execution part (62) abuts against the handle shift piece (52) to drive the lock tongue shift piece (51) to rotate in the first direction to drive the lock tongue (3) to unlock.

6. The lock body structure for an intelligent door lock according to claim 5, characterized in that: When the lock cylinder unlocking paddle (6) is in the initial position, the second unlocking execution part (63) abuts against the drive motor (2), and a gap exists between the first unlocking execution part (62) and the handle paddle (52), so as to drive the drive motor (2) to separate from the gear set before the lock tongue (3) is unlocked.

7. The lock body structure for an intelligent door lock according to claim 3, characterized in that: The first locking execution part (72) has an arcuate surface on one side close to the second shift block (512). The second shift block (512) is rotatably connected to the lock tongue shift piece (51). When the lock core shift block (41) is driven by the key to rotate in the locking direction, the second shift block (512) rolls on the arcuate surface of the first locking execution part (72).

8. The lock body structure for an intelligent door lock according to claim 2, characterized in that: The lock cylinder locking clutch plate (8) is adapted to be sloped with respect to one side of the second locking execution part (73), and the second locking execution part (73) is a roller rotatably connected to the body of the lock cylinder locking paddle (7); When the lock core shift block (41) is driven by the key to rotate in the locking direction, the roller rolls on the slope side of the lock core locking clutch plate (8) to drive the lock core locking clutch plate (8) to rotate.

9. The lock body structure for an intelligent door lock according to claim 1, characterized in that: The unlocking drive part (61) and the locking drive part (71) are arranged on opposite sides of the lock core shift block (41), so that when the lock core shift block (41) rotates in the unlocking or locking direction, it can abut against the locking drive part (71) or the unlocking drive part (61).

10. The lock body structure for an intelligent door lock according to any one of claims 1 to 9, characterized in that: A reset member is provided between the drive motor (2) and the housing (1); after the lock core shift block (41) is reset, the reset member drives the drive motor (2) and the lock core unlocking shift piece (6) to reset; When the lock core shift block (41) is driven by the key to rotate in the locking direction, the lock tongue (3) is locked to drive the shifting piece assembly (5) to reset.

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