An electronic lock body and its switch lock structure

Abstract

The present invention discloses an electronic lock body and its switch lock structure, including a lock shell, a driving motor, a clutch transmission mechanism and a lock core; the driving motor is installed in the lock shell, the output shaft of the driving motor is matched with a power gear, the lock tongue gear and the clutch gear of the clutch transmission mechanism are rotatably installed on the gear seat, and the lock tongue gear is meshed with the clutch gear, the clutch gear is movably meshed with the power gear, the gear seat can rotate around the center of the lock tongue gear, the clutch seat of the clutch transmission mechanism is movably matched in the lock shell and movably connected with the gear seat; the lock core cam of the lock core pushes against the clutch seat and drives the gear seat to rotate through the clutch seat to control whether the clutch gear is meshed with the power gear. The present invention can effectively reduce the resistance when manually unlocking the lock with a key and quickly unlocking the lock with a handle, and improve the user experience; and the clutch transmission mechanism has a small number of transmission stages, which helps to simplify the structure.

Description

Technical Field

[0001] The invention relates to the field of locks, in particular to an electronic lock body and a switch lock structure thereof. Background Art

[0002] At present, the door locks sold on the market can be roughly divided into two types, namely mechanical door locks and electronic door locks.

[0003] The so-called mechanical door lock refers to a lock body in which the various components are mechanically connected. This type of door lock is widely used in life. The usual structure of the unlocking device of the mechanical lock is to drive the main tongue assembly and the oblique tongue assembly through the lock cylinder dial on the lock cylinder and the door handle to unlock and lock.

[0004] Electronic door locks are based on mechanical door locks, with an electronic unlocking mechanism added. The general structure of electronic door unlocking devices is that the motor drives the main tongue assembly and the oblique tongue assembly to move through the gear transmission mechanism to unlock the door. However, many existing gear transmission mechanisms of electronic door locks do not have a clutch function. This means that when an emergency key is used to drive the lock cylinder to rotate for manual key unlocking, the self-locking force of the motor and gear transmission mechanism itself needs to be overcome to unlock the door. This results in large resistance when the key is manually unlocked, and the user unlocking experience is poor. At the same time, if the motor burns out or gets stuck, it may be impossible to manually unlock the door with the key, which poses certain safety hazards.

[0005] In view of the above problems, it is necessary to study an electronic lock body and a switch lock structure thereof to overcome the shortcomings of existing electronic door locks. Summary of the invention

[0006] The object of the present invention is to provide an electronic lock body and a switch lock structure thereof to overcome the deficiencies of existing electronic door locks.

[0007] In order to achieve the above object, the solution of the present invention is:

[0008] A switch lock structure of an electronic lock body, which comprises a lock shell, a drive motor, a clutch transmission mechanism and a lock core; the drive motor is installed in the lock shell, and the output shaft of the drive motor is matched with a power gear; the clutch transmission mechanism comprises a lock tongue gear, a clutch gear, a gear seat, a clutch seat and a clutch reset member, the lock tongue gear and the clutch gear are rotatably installed on the gear seat and the lock tongue gear is meshed with the clutch gear, the clutch gear is movably meshed with the power gear, the gear seat is rotatably installed in the lock shell and the gear seat rotates around the center of the lock tongue gear, the clutch seat is movably matched in the lock shell, the clutch seat is movably connected with the gear seat and is used to drive the gear seat to rotate, the clutch reset member is matched in the lock shell and is used to drive the clutch seat to reset; the lock core is installed in the lock shell, and the lock core has a rotatable lock core cam, the lock core cam movably pushes against the clutch seat and drives the gear seat to rotate through the clutch seat to control whether the clutch gear is meshed with the power gear.

[0009] The switch lock structure also includes a main tongue assembly and a main tongue switch piece; the main tongue assembly includes a main tongue and a main tongue seat connected to the main tongue, the main tongue seat can be translated and matched in the lock shell, and a push-pull track is provided on the main tongue seat; the main tongue switch piece can be rotatably matched in the lock shell and is connected to the lock tongue gear through a transmission gear, the main tongue switch piece is equipped with a rotatable push-pull wheel, and the push-pull wheel is slidably connected with the push-pull track; when the main tongue switch piece rotates and causes the push-pull wheel to slide on the push-pull track, the main tongue switch piece drives the main tongue seat to translate; the lock core cam movably pushes against the main tongue switch piece and can drive the main tongue switch piece to rotate.

[0010] The switch lock structure also includes a handle switch assembly; the handle switch assembly includes a connected handle connector and a handle switch assembly, the handle connector and the handle switch assembly are rotatably installed in the lock housing, the handle switch assembly is provided with a main tongue switch part, the main tongue switch part movably pushes against the main tongue switch part to drive the main tongue switch part to rotate.

[0011] The switch lock structure also includes a tilted bolt assembly and a tilted bolt switch mechanism; the tilted bolt switch mechanism includes a tilted bolt switch piece, a tilted bolt reset piece and a tilted bolt transmission piece, the tilted bolt switch piece can be rotatably matched in the lock housing, the first end of the tilted bolt switch piece is movably engaged with the tilted bolt assembly to control the locking and unlocking of the tilted bolt assembly, the tilted bolt reset piece is matched with the tilted bolt switch piece and is used to drive the tilted bolt switch piece to reset, the tilted bolt transmission piece can be rotatably matched in the lock housing and is connected to the lock bolt gear through a transmission gear, and the tilted bolt transmission piece movably abuts against the second end of the tilted bolt switch piece to drive the tilted bolt switch piece to rotate.

[0012] The inclined bolt assembly includes an inclined bolt and an inclined bolt seat; the inclined bolt is rotatably mounted on the inclined bolt seat; the inclined bolt seat is translationally mounted in the lock housing, the inclined bolt seat is provided with a limit slot, and the inclined bolt seat cooperates with a reset spring for driving the inclined bolt seat to reset; the first end of the inclined bolt switch member is cooperated with a rotatable locking wheel, and the locking wheel is movably engaged with the limit slot.

[0013] The switch lock structure also includes a handle switch assembly; the handle switch assembly includes a connected handle connector and a handle switch assembly, the handle connector and the handle switch assembly are rotatably installed in the lock housing, the handle switch assembly is provided with an oblique tongue switch part, the oblique tongue switch part movably pushes against the oblique tongue switch part to drive the oblique tongue switch part to rotate.

[0014] The handle switch assembly also includes a handle clutch; the handle clutch is rotatably engaged in the lock housing, the first end of the handle clutch movably abuts against the handle connecting piece, the second end of the handle clutch movably engages with the clutch seat, and the rotation of the handle clutch can drive the clutch seat to move.

[0015] The second end of the handle connector is provided with a hook portion, and the clutch seat is provided with a mouth portion that is hooked and matched with the hook portion.

[0016] The handle connecting piece, the handle switch piece and the transmission gear are coaxially arranged.

[0017] An electronic lock body comprises the switch lock structure as described above.

[0018] After adopting the above scheme, in the present invention, when the user inserts the mechanical key into the lock core to manually unlock the lock with the key, the lock core cam pushes the clutch seat as the mechanical key rotates, thereby causing the clutch seat to move and drive the gear seat to rotate, thereby disengaging the clutch gear from the power gear. After that, the rotation of the lock core is subject to little resistance from the drive motor and the clutch transmission mechanism (i.e., the resistance to manual unlocking with the key is small), thereby making it convenient for the user to manually unlock the lock with the key and improving the user's experience when manually unlocking the lock with the key; at the same time, it can also prevent the drive motor from burning out or getting stuck, causing large resistance to the rotation of the lock core and making it impossible to manually unlock the lock with the key; in addition, the clutch transmission mechanism is driven by the clutch gear and the bevel gear, and the number of transmission stages is small, which can reduce the application of gears and help simplify the structure of the electronic lock body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the electronic lock body of the present invention;

[0020] Figure 2 It is a structural exploded view of the electronic lock body of the present invention;

[0021] Figure 3 The partial structure of the electronic lock body of the present invention is shown in FIG. Figure 1 (Locked state);

[0022] Figure 4 The partial structure of the electronic lock body of the present invention is shown in FIG. Figure 2 (Locked state);

[0023] Figure 5The partial structure of the electronic lock body of the present invention is shown in FIG. Figure 3 (Unlocked state);

[0024] Figure 6 The partial structure of the electronic lock body of the present invention is shown in FIG. Figure 4 (Unlocked state);

[0025] Description of labels:

[0026] Lock housing 1, front housing 101, rear housing 102,

[0027] Driving motor 2, power gear 21,

[0028] Clutch transmission mechanism 3, lock tongue gear 31, clutch gear 32, gear seat 33, clutch seat 34, mouth 341, clutch reset member 35, transmission gear 36,

[0029] Lock core 4, lock core cam 41, cam portion 411,

[0030] Main tongue assembly 5, main tongue 51, main tongue seat 52, push-pull track 521,

[0031] Oblique tongue assembly 6, oblique tongue 61, oblique tongue seat 62, limiting slot 621, return spring 63,

[0032] Main tongue switch 7, push-pull wheel 71,

[0033] The oblique tongue switch mechanism 8, the oblique tongue switch member 81, the locking wheel 811, the oblique tongue reset member 82, the oblique tongue transmission member 83,

[0034] Handle switch assembly 9, handle connecting member 91, handle switch member 92, main tongue switch part 921, oblique tongue switch part 922, handle clutch member 93, hook part 931, handle reset member 94. Implementation

[0035] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0036] like Figures 1 to 6As shown, the present invention discloses an electronic lock body, the switch lock structure of the electronic lock body includes a lock shell 1, a drive motor 2, a clutch transmission mechanism 3, a lock core 4, a main tongue assembly 5 and a tilted tongue assembly 6; wherein, the drive motor 2 is installed in the lock shell 1, and the output shaft of the drive motor 2 is matched with a power gear 21, and the power gear 21 can be driven and matched with the output shaft of the drive motor 2 through a bevel gear; the clutch transmission mechanism 3 includes a lock tongue gear 31, a clutch gear 32, a gear seat 33, a clutch seat 34 and a clutch reset member 35, the lock tongue gear 31 and the clutch gear 32 are rotatably installed on the gear seat 33 and the lock tongue gear 31 is meshed with the clutch gear 32, the lock tongue gear 31 is used to drive the main tongue assembly 5 and the tilted tongue assembly 6 to lock and unlock, and the clutch gear 32 and The power gear 21 is movably engaged, the gear seat 33 is rotatably installed in the lock housing 1 and the gear seat 33 rotates around the center of the lock tongue gear 31, the clutch seat 34 is movably matched in the lock housing 1, the clutch seat 34 is movably connected to the gear seat 33 and is used to drive the gear seat 33 to rotate, the clutch reset member 35 is matched in the lock housing 1 and is used to drive the clutch seat 34 to reset, the clutch reset member 35 can be a spring and the two ends of the spring are respectively connected to the clutch seat 34 and the lock housing 1; the lock core 4 is installed in the lock housing 1, and the lock core 4 has a rotatable lock core cam 41, the lock core cam 41 movably pushes against the clutch seat 34 and drives the gear seat 33 to rotate through the clutch seat 34 to control whether the clutch gear 32 is engaged with the power gear 21, and the lock core cam 41 also drives the main tongue assembly 5 to lock and unlock.

[0037] In an embodiment of the present invention, when a user inserts a mechanical key into the lock cylinder 4 to manually unlock the door with a key, the lock cylinder cam 41 pushes against the clutch seat 34 as the mechanical key rotates, thereby causing the clutch seat 34 to move and drive the gear seat 33 to rotate, thereby disengaging the clutch gear 32 from the power gear 21. After that, the rotation of the lock cylinder 4 is subject to little resistance from the drive motor 2 and the clutch transmission mechanism 3 (i.e., little resistance to manual unlocking with a key), thereby facilitating manual unlocking with a key for the user and improving the user's experience when manually unlocking the door with a key; at the same time, it can also prevent the drive motor 2 from burning out or getting stuck, causing great resistance to the rotation of the lock cylinder 4 and making it impossible to manually unlock the door with a key; in addition, the clutch transmission mechanism 3 is driven by the clutch gear 32 and the bevel tongue gear 31, and the number of transmission stages is small, which can reduce the application of gears and help simplify the structure of the electronic lock body.

[0038] In an embodiment of the present invention, the lock housing 1 may include a connected front housing 101 and a rear housing 102, and a space is formed between the front housing 101 and the rear housing 102 to accommodate a drive motor 2, a clutch transmission mechanism 3, a lock core 4, a main tongue assembly 5 and a tilted tongue assembly 6.

[0039] In an embodiment of the present invention, the main tongue assembly 5 may include a main tongue 51 and a main tongue seat 52 connected to the main tongue 51, the main tongue seat 52 can be translated and matched in the lock shell 1, and a push-pull track 521 is provided on the main tongue seat 52; the switch lock structure of the present invention also includes a main tongue switch member 7, the main tongue switch member 7 is used to control the main tongue assembly 5 to unlock and lock, the main tongue switch member 7 can be rotatably matched in the lock shell 1 and is connected to the lock tongue gear 31 through a transmission gear 36, the main tongue switch member 7 is equipped with a rotatable push-pull wheel 71, and the push-pull wheel 71 is slidably connected with the push-pull track 521; when the main tongue switch member 7 rotates and the push-pull wheel 71 slides on the push-pull track 52, the main tongue switch member 7 drives the main tongue seat 52 to translate, thereby controlling the main tongue 51 to unlock and lock, and the lock shell 1 is provided with an opening for the main tongue 51 to enter and exit, when the main tongue 51 retracts into the lock shell 1, it is unlocked, and when the main tongue 51 extends out of the lock shell 1, it is locked. The lock core cam 41 can push against the main tongue switch 7 and drive the main tongue switch 7 to rotate, so as to drive the main tongue assembly 5 to unlock and lock; the lock core cam 41 has a protruding cam portion 411, and the cam portion 411 can movably abut against the clutch seat 34 and the main tongue switch 7; when the key is manually unlocked, the cam portion 411 first abuts against the clutch seat 34 to disengage the clutch gear 32 from the power gear 21, and then the cam portion 411 abuts against the main tongue switch 7 to control the main tongue assembly 5 to unlock.

[0040] In an embodiment of the present invention, the oblique tongue assembly 6 may include an oblique tongue 61 and an oblique tongue seat 62; the oblique tongue 61 is rotatably mounted on the oblique tongue seat 62; the oblique tongue seat 62 is translationally mounted in the lock housing 1, and the oblique tongue seat 62 cooperates with a reset spring 63 for driving the oblique tongue seat 62 to reset; the switch lock structure of the present invention also includes an oblique tongue switch mechanism 8; the oblique tongue switch mechanism 8 includes an oblique tongue switch member 81, an oblique tongue reset member 82 and an oblique tongue transmission member 83, the oblique tongue switch member 81 is rotatably engaged in the lock housing, the first end of the oblique tongue switch member 81 is movably engaged with the oblique tongue seat 62 of the oblique tongue assembly 6 to control the locking and unlocking of the oblique tongue assembly 6, the oblique tongue reset member 82 cooperates with the oblique tongue switch member 81 and is used to drive the oblique tongue switch member 81 to reset, The latch bolt reset member 82 can be a torsion spring, the latch bolt transmission member 83 can be rotatably matched in the lock housing 1 and is connected to the latch bolt gear 31 through the transmission gear 36, the latch bolt transmission member 83 movably abuts against the second end of the latch bolt switch member 81 to drive the latch bolt switch member 81 to rotate; the first end of the latch bolt switch member 81 is matched with a rotatable locking wheel 811, the latch bolt seat 62 is provided with a limiting slot 621, and the locking wheel 811 is movably engaged with the limiting slot 621; when the locking wheel 811 is engaged with the limiting slot 621, the latch bolt assembly 6 is locked; and when the locking wheel 811 is released from the limiting slot 621, the latch bolt assembly 6 is unlocked; the locking wheel 811 can form rolling friction with the latch bolt seat 62 to reduce the movement resistance of the latch bolt switch member 81. Among them, the oblique tongue transmission member 83 is connected to the locking tongue gear 31 through the transmission gear 36, so that when the locking tongue gear 31 is disengaged from the power gear 32, the oblique tongue switch mechanism 8 is subject to less resistance from the driving motor 2 and the clutch transmission mechanism 3. The main tongue switch member 7 can be matched with the oblique tongue switch member 81 through the transmission structure, so that when the main tongue switch member 7 drives the main tongue assembly 5 to unlock, the main tongue switch member 7 can drive the oblique tongue assembly 6 to unlock through the oblique tongue switch member 81. The transmission gear 36 is directly engaged with the locking tongue gear 31 to reduce the use of gears, which helps to simplify the electronic lock body. The limit slot 621 can be an arc slot structure adapted to the locking wheel 811, so that the locking wheel 811 and the limit slot 621 can be prevented from being stuck to each other and causing the oblique tongue assembly 6 to be unable to unlock.

[0041] In an embodiment of the present invention, the switch lock structure further includes a handle switch assembly 9, which is used to realize a handle quick unlocking function; the handle switch assembly 9 includes a connected handle connector 91 and a handle switch assembly 92, which are rotatably installed in the lock housing 1, the handle connector 91 is used to connect the handle, and the handle switch assembly 92 is provided with a main tongue switch portion 921, which can movably push against the main tongue switch assembly 7 and drive the main tongue switch assembly 7 to rotate, so as to control the main tongue assembly 5 to unlock; the handle switch assembly 92 is also provided with an oblique tongue switch portion 922, which can movably push against the oblique tongue switch assembly 81 and drive the oblique tongue switch assembly 81 to rotate, so as to control the oblique tongue assembly 6 to unlock. The handle switch assembly 9 may also include a handle clutch 93; the handle clutch 93 can be rotatably engaged in the lock housing 1, the first end of the handle clutch 93 is movably abutted against the handle connecting member 91, the second end of the handle clutch 93 is movably engaged with the clutch seat 34 and the rotation of the handle clutch 93 can drive the clutch seat 34 to move, the second end of the handle clutch 93 can be provided with a hook portion 931, and the clutch seat 34 is provided with a mouth portion 341 that is hooked and engaged with the hook portion 931 so that the handle clutch 93 can drive the clutch seat 34 to move; when the user rotates the handle connecting member 91 by holding the hand to quickly unlock the handle, the handle connecting member 91 will drive the clutch seat 34 to move through the hand clutch 93 to disengage the clutch gear 32 from the power gear 21, and thereafter, the rotation of the handle connecting member 91 is subject to little resistance from the drive motor 2 and the clutch transmission mechanism 3, thereby facilitating the user to achieve quick unlocking of the handle with little effort.

[0042] In an embodiment of the present invention, the handle connector 91, the handle switch member 92 and the transmission gear 36 can be coaxially arranged, which helps to reduce the lateral space occupied inside the lock housing 1; the handle connector 91 can be equipped with a handle reset member 94 to drive the handle connector 91 to reset the handle, and the handle reset member 94 can adopt a torsion spring.

[0043] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A switch lock structure of an electronic lock body, characterized in that: It includes a lock housing, a drive motor, a clutch transmission mechanism, a lock core, a main tongue assembly, a main tongue switch component and a handle switch assembly; The drive motor is installed in the lock housing, and the output shaft of the drive motor is matched with a power gear; The clutch transmission mechanism includes a lock tongue gear, a clutch gear, a gear seat, a clutch seat and a clutch reset member. The lock tongue gear and the clutch gear are rotatably mounted on the gear seat and the lock tongue gear is meshed with the clutch gear. The clutch gear is movably meshed with the power gear. The gear seat is rotatably mounted in the lock housing and the gear seat rotates around the center of the lock tongue gear. The clutch seat is movably matched in the lock housing. The clutch seat is movably connected to the gear seat and is used to drive the gear seat to rotate. The clutch reset member is matched in the lock housing and is used to drive the clutch seat to reset. The lock core is installed in the lock housing, and the lock core has a rotatable lock core cam, which pushes against the clutch seat and drives the gear seat to rotate through the clutch seat to control whether the clutch gear is meshed with the power gear; The main tongue assembly includes a main tongue and a main tongue seat connected to the main tongue, the main tongue seat can be translated and matched in the lock housing, and a push-pull track is provided on the main tongue seat; the main tongue switch piece can be rotatably matched in the lock housing and is connected to the lock tongue gear through a transmission gear, the main tongue switch piece is matched with a rotatable push-pull wheel, and the push-pull wheel is slidably connected with the push-pull track; when the main tongue switch piece rotates and the push-pull wheel slides on the push-pull track, the main tongue switch piece drives the main tongue seat to translate; the lock core cam moves against the main tongue switch piece to drive the main tongue switch piece to rotate; The handle switch assembly comprises a connected handle connector and a handle switch member, the handle connector and the handle switch member are rotatably installed in the lock housing, the handle switch member is provided with a main tongue switch part, the main tongue switch part movably pushes against the main tongue switch member to drive the main tongue switch member to rotate; The handle switch assembly also includes a handle clutch; the handle clutch is rotatably fitted in the lock housing, a first end of the handle clutch movably abuts against the handle connecting member, a second end of the handle clutch movably fits with the clutch seat, and the rotation of the handle clutch can drive the clutch seat to move; The handle connecting piece, the handle switch piece and the transmission gear are coaxially arranged.

2. The switch lock structure according to claim 1, characterized in that: Also included is a latch bolt assembly and a latch bolt switch mechanism; The oblique tongue switch mechanism comprises an oblique tongue switch member, an oblique tongue reset member and an oblique tongue transmission member. The oblique tongue switch member can be rotatably matched in the lock housing. The first end of the oblique tongue switch member is movably engaged with the oblique tongue assembly to control the locking and unlocking of the oblique tongue assembly. The oblique tongue reset member is matched with the oblique tongue switch member and is used to drive the oblique tongue switch member to reset. The oblique tongue transmission member can be rotatably matched in the lock housing and is connected to the lock tongue gear through a transmission gear. The oblique tongue transmission member movably abuts against the second end of the oblique tongue switch member to drive the oblique tongue switch member to rotate.

3. The switch lock structure according to claim 2, characterized in that: The oblique bolt assembly includes an oblique bolt and an oblique bolt seat; the oblique bolt is rotatably mounted on the oblique bolt seat; the oblique bolt seat is translationally mounted in the lock housing, the oblique bolt seat is provided with a limit slot, and the oblique bolt seat cooperates with a reset spring for driving the oblique bolt seat to reset; The first end of the oblique tongue switch piece is matched with a rotatable locking wheel, and the locking wheel is movably engaged with the limit locking groove.

4. The switch lock structure according to claim 2, characterized in that: The handle switch piece is provided with an oblique tongue switch part, and the oblique tongue switch part movably pushes against the oblique tongue switch piece to drive the oblique tongue switch piece to rotate.

5. The switch lock structure according to claim 1, characterized in that: The second end of the handle connector is provided with a hook portion, and the clutch seat is provided with a mouth portion that is hooked and matched with the hook portion.

6. An electronic lock body, characterized in that: It comprises a switch lock structure as described in any one of claims 1 to 5.

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