WO2019149188A1

WO2019149188A1 - Smart door lock and composite mechanism for locking and unlocking

Info

Publication number: WO2019149188A1
Application number: PCT/CN2019/073660
Authority: WO
Inventors: 周树温; 陈彬; 张东胜
Original assignee: 云丁网络技术(北京)有限公司
Priority date: 2018-01-30
Filing date: 2019-01-29
Publication date: 2019-08-08
Also published as: CN110094107A

Abstract

A composite mechanism for locking and unlocking comprises a driving mechanism, a transmission mechanism, a planetary transmission mechanism, a manual gear (7), a manual knob (8), a main shaft (9), a panel (11), and a base plate (12). The driving mechanism engages with a master planetary gear (5) of the planetary transmission mechanism via the transmission mechanism. The manual knob (8) engages with a slave planetary gear (6) of the planetary transmission mechanism via the manual gear (7). A first end of the main shaft (9) is rotatably mounted on the panel (11). A second end of the main shaft (9) is rotatably mounted on the base plate (12), and engages with a lock cylinder (14) to ensure synchronized rotation. A middle portion of the main shaft (9) engages with a center hole of a planetary carrier (4) of the planetary transmission mechanism to ensure synchronized rotation. The invention further relates to a smart door lock employing the composite mechanism.

Description

Intelligent door lock and compound mechanism for locking and unlocking

The present application claims priority to Chinese Patent Application No. 201810089821.5, filed on Jan. 30, 2018, entitled "Smart Door Lock and Locking and Unlocking Compound Mechanism", the entire contents of which are incorporated by reference. In this application.

Technical field

The invention relates to the technical field of locks, in particular to a composite mechanism of a smart door lock and a lock and unlock.

Background technique

In the existing smart lock, manually rotating the inner panel emergency knob for manual locking or unlocking requires 2.5-3 rotations, and the user experience is not very good.

At the same time, when manually rotating the inner panel emergency knob for manual locking or unlocking, the emergency knob must be pressed first to disengage the emergency knob from the internal motor-driven mechanism, and the rotation needs to be pressed while rotating. This type of operation is not very intuitive and requires some training for the user.

In addition, the electric actuator is placed in the lock body, which has certain limitations on some old door lock-up markets, because customers in this part of the market generally only require replacement of the panel, and it is not required to replace the lock body. The cost is high, and it may not be able to be replaced, because different sizes of doors with different specifications have different lock body sizes or mounting holes.

Summary of the invention

In view of this, the present invention provides a composite mechanism for locking and unlocking, which reduces the number of rotations required for indoor emergency manual opening, and is simpler and more man-made; at the same time, the emergency knob can be directly rotated to lock or unlock. operating.

The present invention also provides a smart door lock using the above composite mechanism.

To achieve the above object, the present invention provides the following technical solutions:

A compound mechanism for locking and unlocking, comprising: a driving mechanism, a transmission mechanism, a planetary shifting mechanism, a manual gear, a manual knob, a main shaft, a panel and a bottom plate;

The driving mechanism is coupled to the main planetary gear of the planetary shifting mechanism by the transmission mechanism, and the manual knob is coupled to the slave planetary gear of the planetary shifting mechanism through the manual gear;

a first end of the main shaft is rotatably mounted to the panel; a second end of the main shaft is rotatably mounted to the bottom plate, and is configured to rotate synchronously with the lock cylinder; a middle portion of the main shaft and the planetary shifting The center hole of the mechanism's planet carrier cooperates to maintain synchronous rotation.

Preferably, the drive mechanism is a geared motor.

Preferably, the transmission mechanism comprises a bevel pinion and a large bevel gear;

An output end of the driving mechanism is coupled to the bevel pinion; a bevel ring gear of the large bevel gear meshes with the bevel pinion, and a straight ring gear of the large bevel gear meshes with the main planet gear.

Preferably, the planet carrier is provided with a rotating hole; the slave planetary gear is disposed on one side of the planetary carrier, and the transmission shaft of the slave planetary gear is rotatably mounted in the rotating hole, and the transmission An anti-rotation flat position is arranged on the shaft; the main planetary gear is disposed on the other side of the planetary carrier, and the main planetary gear is mounted on the auxiliary hole through the central hole flat position and the anti-rotation flat position The drive shaft of the planet gear.

Preferably, the central hole of the planet carrier is provided with an anti-rotation flat position, and a middle portion of the main shaft is provided with a flat position for engaging with the anti-rotation flat position.

Preferably, the manual gear comprises:

Connector;

Provided on one side of the connecting block for the straight ring gear engaged with the planetary gear;

a pin disposed on the other side of the connecting block for engaging with a groove on the manual knob.

Preferably, the panel is provided with a ring-shaped groove, and the protruding pin of the manual gear is inserted in the annular groove.

Preferably, the first end of the main shaft is rotatably mounted to the panel through a panel bearing, and the second end is rotatably mounted to the bottom plate through a bottom plate bearing; the main shaft is provided with a panel bearing matched with the panel bearing The surface is matched with the bottom plate bearing surface of the bottom plate bearing.

Preferably, the second end of the main shaft is provided with a rectangular hole for maintaining synchronous rotation with the lock cylinder.

A smart door lock includes an electric manual locking and unlocking mechanism, and the mechanism is a compounding mechanism that locks and unlocks as described above.

It can be seen from the above technical solution that the composite mechanism for unlocking and unlocking provided by the present invention adds a set of planetary shifting mechanisms, and performs large speed ratio shifting in a limited space, thereby realizing an indoor emergency manual opening of only 0.25 turns. Yes, the operation is easier; at the same time, there is no need to provide training instructions for the operator, and the emergency knob can be directly rotated to perform the locking or unlocking operation. The invention also provides a smart door lock adopting the above composite mechanism, and the utility model has no clutch structure between the emergency manual knob and the electric motor, thereby realizing electric manual quick switching; in the automatic intelligent lock product, the indoor quick and convenient manual opening mode is simultaneously realized.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

1 is a three-dimensional exploded view of a compound mechanism for intelligent manual locking and unlocking of a smart door lock based on a planetary gear according to an embodiment of the present invention;

2 is a cross-sectional view of a transmission scheme according to an embodiment of the present invention;

3 is a schematic side view showing the assembled side structure of a lock cylinder and a lock body according to an embodiment of the present invention;

4 is a schematic structural view of a planetary shifting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a main shaft according to an embodiment of the present invention; FIG.

6 is a schematic structural diagram of a manual gear according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a manual part of a panel according to an embodiment of the present invention; FIG.

FIG. 8a is a schematic diagram of the first stage of the electric unlocking of the composite mechanism according to an embodiment of the present invention; FIG.

FIG. 8b is a schematic diagram of a second stage of electric unlocking of a composite mechanism according to an embodiment of the present invention; FIG.

9a is a schematic diagram of the first stage of the electric locking of the composite mechanism according to an embodiment of the present invention;

9b is a schematic diagram of a second stage of electric locking of a composite mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a principle of manual unlocking of a composite mechanism according to an embodiment of the present invention; FIG.

FIG. 11 is a schematic diagram of the principle of manually locking a composite mechanism according to an embodiment of the present invention.

Among them, 1 is a geared motor; 2 is a small bevel gear; 3 is a large bevel gear, 31 is a bevel ring, 32 is a straight ring gear; 4 is a planet carrier, 41 is a rotating hole, 42 is an anti-rotation flat position; Main planet wheel, 51 is the center hole flat position; 6 is the slave planetary gear, 61 is the planetary gear tooth, 62 is the transmission shaft, 63 is the anti-rotation flat position; 7 is the manual gear, 71 is the straight ring gear, 72 is the connection Block, 73 is a convex pin; 8 is a manual knob, 81 is a groove; 9 is a main shaft, 91 is a rectangular hole, 92 is a bottom bearing surface, 93 is a flat position, 94 is a circumferential surface, and 95 is a panel bearing surface; 10 is a panel bearing; 11 is a panel, 111 is a ring groove; 12 is a bottom plate; 13 is a bottom plate bearing; 14 is a lock cylinder; 15 is a lock body, and 151 is a lock hole.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The core improvement of the locking and unlocking composite mechanism provided by the embodiment of the present invention includes: a driving mechanism, a transmission mechanism, a planetary shifting mechanism, a manual gear 7, a manual knob 8, a spindle 9, a panel 11 and a bottom plate 12, and the structure thereof Can refer to Figure 1;

Wherein, the driving mechanism cooperates with the main planetary gear 5 of the planetary shifting mechanism through the transmission mechanism, and the manual knob 8 is engaged with the planetary gear 6 of the planetary shifting mechanism through the manual gear 7;

The first end of the main shaft 9 is rotatably mounted on the panel 11; the second end of the main shaft 9 is rotatably mounted on the bottom plate 12, and is used for cooperating with the lock cylinder 14 to maintain synchronous rotation; the middle portion of the main shaft 9 and the planet carrier of the planetary shifting mechanism The center hole of 4 is kept in synchronous rotation.

The principle of manual unlocking and locking is as follows:

When manual unlocking is required: as shown in Fig. 10, manually rotate the manual knob 8 counterclockwise. At this time, since the driving mechanism is not powered, it is equivalent to a fixed position at this time. At this time, the driving route: manual knob 8 - manual gear 7 - from the planet gear 6 - planet carrier 4 - lock cylinder 14, and finally by the lock cylinder 14 to drive the lock body 15, to achieve manual unlocking;

When manual locking is required: as shown in Fig. 11, the manual knob 8 is manually rotated clockwise. At this time, since the driving mechanism is not powered, it is equivalent to a fixed position at this time. At this time, the driving route: manual knob 8-manual gear 7- From the planet gear 6 - planet carrier 4 - lock cylinder 14, and finally the lock cylinder 15 is driven by the lock cylinder 14 to achieve manual locking.

It can be seen from the above technical solution that the compounding mechanism for unlocking and unlocking provided by the embodiment of the present invention adds a set of planetary shifting mechanisms, and performs large speed ratio shifting in a limited space, thereby realizing an indoor emergency manual opening of only 0.25. The circle can be used; in the automatic intelligent lock product, the indoor quick and convenient manual opening method is realized at the same time. At the same time, there is no clutch structure between the emergency manual knob and the electric motor of the scheme, which realizes the electric manual quick switching; without the training instructions for the operator, the emergency knob can be directly rotated to perform the locking or unlocking operation.

Preferably, the drive mechanism is the reduction motor 1 and the output torque can be increased.

Specifically, the transmission mechanism includes a bevel pinion 2 and a large bevel gear 3, and the structure thereof can be referred to FIG. 1 and FIG. 2;

Wherein, the output end of the driving mechanism (such as the output shaft of the aforementioned geared motor 1) is connected with the bevel pinion 2; the bevel ring gear 31 of the bevel gear 3 meshes with the bevel pinion 2, and the ring gear 32 of the bevel gear 3 is The main planet gear 5 meshes. The transmission mechanism adopts the form of a combination of bevel gears to change the direction of force transmission, so as to facilitate the compact arrangement between the driving mechanism, the transmission mechanism and the planetary shifting mechanism between the panel 11 and the bottom plate 12, thereby reducing the thickness thereof, thereby reducing the overall composite mechanism. Dimensions; at the same time, the transmission is in the form of a deceleration, which can increase the output torque.

The above-described deceleration structure also helps to secure the drive mechanism during manual unlocking and locking.

In the present embodiment, as shown in FIG. 4, the carrier 4 is provided with a rotating hole 41; the planetary gear 6 is disposed on one axial side of the carrier 4, and the driving shaft 62 of the planetary gear 6 is rotatably mounted on the rotating hole. 41, the transmission shaft 62 is provided with an anti-rotation flat position 63; the main planetary gear 5 is disposed on the other axial side of the carrier 4, and the main planetary gear 5 is mounted on the anti-rotation flat position 63 through the central hole flat position 51 thereof. From the drive shaft 62 of the planet gear 6. With this setup, the structure is streamlined and easy to assemble. Further, the main planetary gear 5 and the planetary gear 6 are integrally connected by screws. A plurality of rotating holes 41 are circumferentially distributed around the center hole of the carrier 4 to ensure uniform force; here specifically four, the number of the respective main planetary gears 5 and the combined planetary gears 6 is four.

Preferably, the central hole of the carrier 4 is provided with an anti-rotation flat position 42. The middle portion of the main shaft 9 is provided with a flat position portion 93 for engaging with the anti-rotation flat position 42 so as to achieve the synchronous rotation of the two, that is, the carrier 4 When rotating, the spindle 9 can be rotated together. Of course, other types of surface matching can also be used, and details are not described herein.

In the specific embodiment provided by the present solution, the manual gear 7 includes:

The connecting block 72 has a circular ring shape, and the central hole cooperates with the main shaft circumferential surface 94, so that the manual gear 7 can freely rotate around the main shaft 9, and the structure can be referred to FIG.

a ring gear 71 disposed on one side of the connecting block 72 for engaging with the planetary gear 6;

On the other side of the connecting block 72, a lug 73 for engaging with the groove 81 on the manual knob 8 is provided. With this setup, the structure is streamlined and easy to assemble.

In order to further optimize the above technical solution, the panel 11 is provided with a ring-shaped groove 111, and the protruding pin 73 of the manual gear 7 is inserted into the annular groove 111 to realize the rotation limit of the manual gear 7. The structure can be referred to FIG. Shown. Preferably, the number of the annular grooves 111 is plural to improve stability and reliability, and here, specifically, two symmetrically arranged, the convex pins 73 are corresponding to two.

At this point, its electric unlocking works as follows:

When electric unlocking is required: as shown in Fig. 8a, the geared motor 1 rotates clockwise. At this time, since the end of the carrier 4 is subjected to the resistance of the lock cylinder 14, the planetary carrier 4 is fixed, and the transmission path reduction motor 1 is Small bevel gear 2 - large bevel gear bevel ring 31 - large bevel gear straight ring gear 32 - main planetary gear 5 - from the planetary gear 6 - manual gear 7, when the manual gear 7 rotates for a period of time, the upper ring groove 111 of the panel 11 is caught At the other end, the manual gear 7 is fixed; when the manual gear 7 is fixed, the geared motor 1 continues to rotate, as shown in Fig. 8b, then the transmission route: the geared motor 1 - bevel gear 2 - large bevel gear cone Ring 31 - large bevel gear straight ring gear 32 - main planet wheel 5 - planet carrier 4 - lock cylinder 14, and finally the lock core 14 is driven by the lock cylinder 15 to realize electric unlocking;

When the electric lock is required: as shown in FIG. 9a, the speed reducer 1 rotates counterclockwise. At this time, since the end of the carrier 4 is subjected to the resistance of the lock cylinder 14, the planetary carrier 4 is fixed, and the transmission path reduction motor 1 is at this time. - Small bevel gear 2 - Large bevel gear bevel ring 31 - Large bevel gear straight ring gear 32 - Main planetary gear 5 - From the planetary gear 6 - Manual gear 7, when the manual gear 7 rotates for a period, it catches the upper ring groove of the panel 11 When the other end of 11-1 is used, the manual gear 7 is fixed; when the manual gear 7 is fixed, the geared motor 1 continues to rotate, as shown in Fig. 9b, then the transmission route: the geared motor 1 - small bevel gear 2 - large cone Gear bevel ring 31 - large bevel gear straight ring gear 32 - main planet gear 5 - planet carrier 4 - lock cylinder 14, and finally the lock cylinder 15 is driven by the lock cylinder 14 to achieve electric locking.

The utility model has no clutch structure and realizes electric manual quick switching; without training instructions for the operator, the emergency knob can be directly rotated to perform locking or unlocking operation.

Preferably, the first end of the main shaft 9 is rotatably mounted to the panel 11 through the panel bearing 10, and the second end is rotatably mounted to the bottom plate 12 through the bottom plate bearing 13; the main shaft 9 is provided with a panel bearing surface 95 matched with the panel bearing 10, The bottom bearing surface 92, which cooperates with the bottom plate bearing 13, can be constructed as shown in Figs. 1 and 5 to ensure the stability and reliability of the rotatably mounted spindle 9.

Specifically, the second end of the main shaft 9 is provided with a rectangular hole 91 for cooperating with the lock core 14 to maintain synchronous rotation. The structure thereof can be referred to FIG. 1 and FIG.

Further, the electric actuator including the drive mechanism, the transmission mechanism, the planetary shifting mechanism and the main shaft 9 is disposed on the panel, and the customer must change the lock when the lock is changed; and we lock the actuator end of the electric actuator with the lock body The core part is connected and can achieve a 100% match, because as long as it is a lock body, there must be a lock cylinder.

The embodiment of the invention further provides a smart door lock, comprising a mechanism for electric manual locking and unlocking, the core improvement of which is that the mechanism is a compounding mechanism for unlocking and unlocking as described above.

The solution will be further introduced in the following with reference to specific embodiments:

The invention relates to a planetary gear-based intelligent door lock electric manual locking and unlocking composite mechanism, which comprises a reduction motor 1, a bevel gear 2, a bevel gear 3, a planet carrier 4, a main planet gear 5, and a planet. Wheel 6, manual gear 7, manual knob 8, spindle 9,

bearings

10 and 13, panel 11 and bottom plate 12. The output shaft of the geared motor 1 is connected to the bevel pinion 2; the large bevel gear 3 includes a bevel ring gear 31 and a straight ring gear 32, and the bevel ring gear 31 meshes with the bevel pinion gear 2, The spur ring 32 meshes with the main planet gear 5;

The central hole of the main planetary gear 5 is provided with a central hole flat position 51. The transmission shaft 62 of the planetary gear 6 is provided with an anti-rotation flat position 63, and the planetary carrier 4 is provided with four rotating holes. 41. The center hole of the carrier 4 is provided with an anti-rotation flat position 42. The transmission shaft 62 of the planetary gear 6 cooperates with the rotation hole 41 of the carrier 4 and is rotatable from the transmission shaft 62 of the planetary gear 6. The anti-rotation flat position 63 is matched with the central hole flat position 51 of the main planetary gear 5, and is integrally connected by screws;

The manual gear 7 is provided with a straight ring gear 71, a connecting block 72 and two protruding pins 73. The straight ring gear 71 meshes with the planetary gear 6, and the protruding pin 73 and the manual knob 8 are arranged thereon. The groove 81 is mated;

The main shaft 9 includes a rectangular hole 91, bearing surfaces 92 and 95, a flat position 93 and a circumferential surface 94. The rectangular hole 91 cooperates with the lock cylinder 14, and the bearing surface 92 and the inner hole of the bearing 13 The bearing surface 95 cooperates with the inner hole of the bearing 10, and the flat end 93 cooperates with the anti-rotation flat position 63 on the planet carrier 4, so that when the planet carrier 4 rotates, the main shaft 9 can be rotated together. The main shaft circumferential surface 94 cooperates with the central hole of the manual gear 7, so that the manual gear 7 can freely rotate around the main shaft 9;

The panel 11 has two symmetrical annular grooves 111. The two protruding pins 73 on the manual gear 7 are inserted into the two annular grooves to realize the rotation limit of the manual gear 7.

working principle:

1. Electric unlocking: As shown in Fig. 8a, the geared motor 1 rotates clockwise. At this time, since the end of the carrier 4 is subjected to the resistance of the lock cylinder 14, the planetary carrier 4 is fixed, and the transmission path reduction motor 1 is small. Bevel gear 2 - large bevel gear bevel ring 31 - large bevel gear straight ring gear 32 - main planetary gear 5 - from the planetary gear 6 - manual gear 7, when the manual gear 7 rotates for a period, it catches the annular groove 111 above the panel 11 At the other end, the manual gear 7 is fixed; when the manual gear 7 is fixed, the geared motor 1 continues to rotate, as shown in Fig. 8b, then the transmission route: the geared motor 1 - bevel gear 2 - bevel gear bevel ring 31-large bevel gear straight ring gear 32-main planet wheel 5-planetary 4-cylinder 14, and finally the lock cylinder 14 is driven by the lock cylinder 14 to realize electric unlocking;

2. Electric locking: As shown in Fig. 9a, the geared motor 1 rotates counterclockwise. At this time, since the end of the carrier 4 is subjected to the resistance of the lock cylinder 14, the planetary carrier 4 is fixed, and the transmission path reduction motor 1 Small bevel gear 2 - large bevel gear bevel ring 31 - large bevel gear straight ring gear 32 - main planetary gear 5 - from the planetary gear 6 - manual gear 7, when the manual gear 7 rotates for a period, the upper 11 groove 11 of the panel 11 is caught When the other end of -1 is used, the manual gear 7 is fixed; when the manual gear 7 is fixed, the geared motor 1 continues to rotate, as shown in Fig. 9b, then the transmission route: the geared motor 1 - bevel gear 2 - bevel gear Bevel ring 31-large bevel gear straight ring gear 32-main planet wheel 5 - planet carrier 4 - lock cylinder 14, and finally the lock core 14 is driven by the lock cylinder 14 to realize electric locking;

3. Manual unlocking: As shown in Figure 10, manually rotate the manual knob 8 counterclockwise. At this time, since the drive mechanism is not powered, it is equivalent to fixed at this time. At this time, the drive route: manual knob 8-manual gear 7- From the planetary gear 6 - planet carrier 4 - lock cylinder 14, and finally the lock core 15 to drive the lock body 15, to achieve manual unlocking;

4, manual locking: as shown in Figure 11, manually rotate the manual knob 8 clockwise, at this time because the drive mechanism is not powered, so it is equivalent to fixed at this time, the drive route: manual knob 8 - manual gear 7 - From the planet gear 6 - planet carrier 4 - lock cylinder 14, and finally the lock cylinder 15 is driven by the lock cylinder 14 to achieve manual locking.

In summary, the locking and unlocking composite mechanism provided by the present invention adds a set of planetary shifting mechanisms, and performs large speed ratio shifting in a limited space, and realizes an emergency manual knob to rotate 0.25 turns to complete the locking or unlocking action. The operation is simpler; there is no clutch mechanism between the emergency manual knob and the electric motor, no additional operation is performed during the process of switching between the emergency manual knob and the electric motor, and the use is more convenient; the electric actuator is integrated into the inner panel to realize the panel change When the lock body is not replaced, the compatibility of the panel is improved. The invention also provides a smart door lock adopting the above composite mechanism, which has no clutch structure and realizes electric manual quick switching; in the automatic intelligent lock product, the indoor quick and convenient manual door opening mode is realized at the same time.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but the scope of the invention is to be accorded

Claims

A compound mechanism for locking and unlocking, comprising: a driving mechanism, a transmission mechanism, a planetary shifting mechanism, a manual gear (7), a manual knob (8), a main shaft (9), a panel (11) and a bottom plate (12) );

The drive mechanism cooperates with the main planetary gear (5) of the planetary shifting mechanism through the transmission mechanism, and the manual knob (8) passes through the manual gear (7) and the planetary gear of the planetary shifting mechanism ( 6) cooperation;

a first end of the main shaft (9) is rotatably mounted to the panel (11); a second end of the main shaft (9) is rotatably mounted to the bottom plate (12), and is used for a lock cylinder (14) The cooperation maintains synchronous rotation; the middle portion of the main shaft (9) cooperates with the center hole of the planetary carrier (4) of the planetary shifting mechanism to maintain synchronous rotation.
The composite mechanism according to claim 1, characterized in that the drive mechanism is a geared motor (1).
The composite mechanism according to claim 1, wherein said transmission mechanism comprises a bevel pinion (2) and a large bevel gear (3);

An output end of the drive mechanism is coupled to the bevel pinion (2); a bevel ring gear (31) of the bevel pinion (3) meshes with the bevel pinion (2), the large bevel gear ( The straight ring gear (32) of 3) meshes with the main planet gear (5).
The composite mechanism according to claim 1, wherein said planet carrier (4) is provided with a rotating hole (41); said slave planetary gear (6) is disposed at an axial direction of said carrier (4) a side, the transmission shaft (62) of the planetary gear (6) is rotatably mounted in the rotating hole (41), and the transmission shaft (62) is provided with an anti-rotation flat position (63); a planetary gear (5) is disposed on the other side of the planetary carrier (4), and the main planetary gear (5) is fitted to the anti-rotation flat position (63) through a central hole flat position (51) thereof The drive shaft (62) of the slave planet (6).
The composite mechanism according to claim 1, characterized in that the central hole of the planet carrier (4) is provided with an anti-rotation flat position (42), and the middle portion of the main shaft (9) is provided for following the anti-rotation Flat position (93) with flat position (42).
The composite mechanism of claim 1 wherein said manual gear (7) comprises:

Connection block (72);

Provided on one side of the connecting block (72) for following the straight ring gear (71) meshing from the planet gear (6);

A pin (73) is provided on the other side of the connecting block (72) for engaging with the groove (81) on the manual knob (8).
The composite mechanism according to claim 6, characterized in that the panel (11) is provided with a ring-shaped groove (111), and the protruding pin (73) of the manual gear (7) is inserted in the ring Inside the groove (111).
The composite mechanism according to claim 1, characterized in that the first end of the main shaft (9) is rotatably mounted to the panel (11) via a panel bearing (10), and the second end is passed through a bottom plate bearing (13) Rotatablely mounted on the bottom plate (12); the main shaft (9) is provided with a panel bearing surface (95) matched with the panel bearing (10), and a bottom plate bearing matched with the bottom plate bearing (13) Face (92).
The composite mechanism according to claim 1, characterized in that the second end of the main shaft (9) is provided with a rectangular hole (91) for cooperating with the lock cylinder (14) to maintain synchronous rotation.
A smart door lock comprising an electric manual locking and unlocking mechanism, characterized in that the mechanism is a locking and unlocking composite mechanism according to any one of claims 1-9.