An electric control lock

Abstract

The present invention relates to an electric control lock, comprising a lock shell; the lock shell is provided with a slot; a locking device and a driving device are installed in the lock shell; the locking device comprises a first lock tongue and a second lock tongue hinged in the lock shell; the first lock tongue is provided with a lock slot; the first lock tongue is provided with a first lock hook, the second lock tongue is provided with a second lock hook, and the first lock hook is hooked with the second lock hook; the driving device can drive the second lock tongue to swing; the driving device comprises a motor, a worm, a worm wheel, a transmission gear set, a fan tooth, a torsion spring seat and a torsion spring; the worm is arranged on the output end of the motor, the worm is meshed with the worm wheel, the fan tooth and the torsion spring seat rotate synchronously, the worm wheel drives the fan tooth to swing through the transmission gear set, the torsion spring is installed on the torsion spring seat, the two ends of the torsion spring are provided with a first extension part and a second extension part passing through the torsion spring seat, the first extension part and the second extension part form a clamping space, and the second lock tongue is provided with a lock block inserted into the clamping space. Adopting the above technical scheme, its structure is simple and compact, easy to produce and low in cost.

Description

Technical Field

[0001] The present invention relates to the field of locks, and in particular to an electric-controlled lock. Background Art

[0002] The Chinese patent application number is "CN201821610824.0", which discloses an electric control lock, which includes a lock shell assembled by an upper lock shell and a lower lock shell, and an electric opening and closing lock device installed in the upper and lower lock shells, wherein the upper and lower lock shells are provided with a lock plug-in slot for accommodating a lock buckle and a cable plug-in slot for inserting a power cord; a depressing tongue is hingedly installed in the lock shell corresponding to the lock buckle plug-in slot through a first pin shaft, and the depressing tongue is provided with a tongue depressing groove, the upper arm of the tongue depressing groove is a tongue depressing locking arm, and the lower arm of the tongue depressing groove is a locking arm, and a locking tooth is provided at the outer end of the tongue depressing locking arm; a torsion spring is sleeved on the first pin shaft, one end of the torsion spring is connected to the locking arm, and the other end is connected to a limiting column, which is installed in the lock shell; a lock hook is installed in the lock shell on the opposite side of the depressing tongue through a second pin shaft, and the lock hook includes a lock hook arm and a push-pull arm, the lock hook arm is located at the upper part and corresponds to the tongue depressing locking arm of the tongue depressing groove, and a lock hook groove is provided on the inner side of the lock hook arm The lock hook groove and the lock tooth of the tongue locking arm engage with each other to realize the locking structure; the electric opening and closing lock device includes an electric device, an actuator connected to the electric device; the actuator is connected to the push-pull arm of the lock hook, the actuator includes a slider, and the slider is slidably mounted on the guide rod; the slider moves along the guide rod under the drive of the electric device, and an actuator arm is provided on the slider, and a push-pull rod is slidably mounted on the actuator arm, and the push-pull rod and the guide rod are arranged parallel; an annular limit platform is provided on the push-pull rod, and a push-pull arm is provided on the upper end of the push-pull rod, and a limit guide plate is installed on the other end of the push-pull rod; a locking compression spring is set on the push-pull rod between the actuator arm and the annular limit platform of the push-pull rod, and a reset spring is set on the push-pull rod between the actuator arm and the limit guide plate; the electric device includes a motor, a worm gear pair connected to the output end of the motor, and an output gear is installed on the coaxial axis of the worm gear; the slider of the actuator is provided with a rack meshing with the output gear.

[0003] The above technical solution has the following problems: the actuator consists of a slider, a guide rod, an actuator arm, a push-pull rod, a push-pull arm, a limit guide plate, a locking compression spring, a reset spring, a motor, a worm gear pair, a gear and a rack. The actuator has a complex structure, which increases the production cost of the electric lock. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects of the prior art, and to provide an electric control lock with a simple and compact structure, easy production and low cost.

[0005] The technical solution of the present invention is as follows: an electric control lock comprises a lock housing; a slot is provided on the lock housing; a locking device and a driving device are installed in the lock housing; the locking device comprises a first lock tongue and a second lock tongue hinged in the lock housing; the first lock tongue is provided with a lock slot; a first lock hook is provided at one end of the first lock tongue, and the second lock tongue is provided with a second lock hook, and the second lock hook is hooked on the first lock hook to achieve the locking of the first lock tongue by the second lock tongue; the driving device can drive the second lock tongue to swing, and the second lock hook is separated from the first lock hook to achieve unlocking; an elastic spring is provided in the lock housing to reset the first lock tongue after unlocking Parts; the driving device includes a motor, a worm, a worm wheel and a transmission gear set arranged in the lock housing; the driving device also includes a fan tooth, a torsion spring seat and a torsion spring arranged in the lock housing; the worm is arranged on the output end of the motor, the worm is engaged with the worm wheel, the fan tooth and the torsion spring seat are rotated synchronously, the worm wheel drives the fan tooth to swing through the transmission gear set, the torsion spring is installed on the torsion spring seat, and the two ends of the torsion spring are respectively provided with a first extension portion and a second extension portion that can pass through the torsion spring seat, the first extension portion and the second extension portion are spaced apart to form a clamping space, and the second lock tongue is provided with a lock block that can be inserted into the clamping space.

[0006] When the lock latch is engaged, the first latch is engaged with the second latch hook, and the second latch hook engages the first latch hook, thereby locking the lock latch electrically.

[0007] The present invention is further provided with: the lock shell includes a first upper lock shell, a second upper lock shell, a first lower lock shell and a second lower lock shell, the first upper lock shell is provided with a hollow place for the second upper lock shell to be installed, the first lower lock shell is provided with a hollow place for the second lower lock shell to be installed, the first upper lock shell and the first lower lock shell cover together form a first installation cavity, the second upper lock shell and the second lower lock shell cover together form a second installation cavity, the locking device is installed in the first installation cavity, the motor, worm, worm gear, transmission gear set and fan teeth are installed in the second installation cavity, the second upper lock shell is provided with a third installation cavity for the torsion spring seat to be installed, the fan teeth and the torsion spring seat are synchronously rotated via the connecting shaft, the second upper lock shell is provided with a through hole for the connecting shaft to be inserted into the third installation cavity, a first sealing ring is provided between the through hole and the connecting shaft, the first extension part and the second extension part of the torsion spring both pass through the third installation cavity and are inserted into the first installation cavity.

[0008] The above-mentioned further setting is adopted to facilitate the installation of the locking device and the driving device. The second upper lock shell and the second lower lock shell are sealed to prevent water from entering the second installation cavity, thereby preventing the motor, worm wheel, worm, transmission gear set, connecting shaft and fan teeth from being damaged and unable to work. The through hole and the connecting shaft are sealed by a first sealing ring to further prevent water from entering the second installation cavity, thereby preventing the motor, worm wheel, worm, transmission gear set, connecting shaft and fan teeth from being damaged and unable to work.

[0009] The present invention is further provided with: the transmission gear set comprises a duplex gear and a driven gear, the driven gear and the worm gear are arranged to rotate synchronously, the driven gear and the duplex gear are arranged to mesh with each other, and the duplex gear and the sector gear are arranged to mesh with each other.

[0010] With the above further arrangement, when the motor is working, the output end of the motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the driven gear to rotate, the driven gear drives the duplex gear to rotate, and the duplex gear drives the sector teeth to swing.

[0011] The present invention is further configured as follows: a micro switch is provided in the second mounting cavity, and a pressure piece that can press the micro switch is provided between the second upper lock shell and the second lower lock shell. The pressure piece is sealed with the second upper lock shell and the second lower lock shell respectively. After unlocking, the first lock tongue swings, and the end of the first lock tongue away from the first lock hook can swing to the pressure piece, and the pressure piece presses the micro switch.

[0012] With the above-mentioned further arrangement, the end of the first lock tongue away from the first lock hook is swung to the touch-pressure piece, and the touch-pressure piece touches the microswitch to detect whether the first lock tongue reaches the unlocking position. The touch-pressure piece is sealed with the second upper lock shell and the second lower lock shell respectively, so as to realize the sealing of the second installation cavity.

[0013] The present invention is further provided with: a cable groove for installing a cable is formed at one end of the second lock tongue away from the second lock hook, and a cable hole for passing the cable is formed on the housing.

[0014] With the above further configuration, when the motor is not working, the cable can be pulled to drive the second lock tongue to swing, so that the second lock hook is separated from the first lock hook, thereby realizing unlocking the electric lock.

[0015] The present invention is further provided with: a wiring hole for the power line to pass through is opened between the second upper lock shell and the second lower lock shell, and a second sealing ring is provided in the wiring hole.

[0016] By adopting the above-mentioned further arrangement, the second upper lock shell and the second lower lock shell are further connected and sealed to prevent water from entering the motor.

[0017] The present invention is further provided with a limiting arm on the second lock tongue, and a limiting column is provided in the housing. After locking, the limiting arm contacts the limiting column to limit the swing of the second lock tongue.

[0018] By adopting the above-mentioned further arrangement, after locking, the second lock tongue is restricted from swinging.

[0019] The present invention is further provided with: the elastic member is a return torsion spring, one end of the return torsion spring is connected to the inner wall of the lock housing, and the other end is connected to the first lock tongue.

[0020] With the above further arrangement, after the first lock hook and the second lock hook are separated from each other, the reset torsion spring can swing and reset the first lock tongue to achieve unlocking of the electric control lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a structural diagram of a specific embodiment of the present invention;

[0022] Figure 2 An exploded view of a specific embodiment of the present invention;

[0023] Figure 3 An exploded view of a specific embodiment of the present invention;

[0024] Figure 4 is a cross-sectional view of a specific embodiment of the present invention;

[0025] Figure 5 is a structural diagram of a specific embodiment of the present invention;

[0026] Figure 6 It is a structural diagram of a specific embodiment of the present invention. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in this embodiment with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

[0028] It should be noted that descriptions such as "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features.

[0029] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that those skilled in the art can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] like Figure 1-6 As shown, an electric control lock of the present invention comprises a lock housing 10; a slot 11 is provided on the lock housing 10; a locking device 20 and a driving device 30 are installed in the lock housing 10; the locking device 20 comprises a first lock tongue 21 and a second lock tongue 22 hinged in the lock housing 10; the first lock tongue 21 is provided with a lock slot 211; one end of the first lock tongue 21 is provided with a first lock hook 212, and the second lock tongue 22 is provided with a second lock hook 221, and the second lock hook 221 is hooked on the first lock hook 212, so that the second lock tongue 22 locks the first lock tongue 21; the driving device 30 can drive the second lock tongue 22 to swing, and the second lock hook 221 is separated from the first lock hook 212 to achieve unlocking; an elastic member 40 is provided in the lock housing 10, which can reset the first lock tongue 21 after unlocking; the driving device 30 can drive the second lock tongue 22 to swing, and the second lock hook 221 is separated from the first lock hook 212 to achieve unlocking; the lock housing 10 is provided with a spring member 40 that ... The device 30 includes a motor 31, a worm 32, a worm gear 33 and a transmission gear set 34 provided in the lock housing 10; the driving device 30 further includes a sector tooth 35, a torsion spring seat 36 and a torsion spring 37 provided in the lock housing 10; the worm 32 is provided on the output end of the motor 31, the worm 32 is meshed with the worm gear 33, the sector tooth 35 and the torsion spring seat 36 are rotated synchronously, the worm gear 33 drives the sector tooth 35 to swing through the transmission gear set 34, and the torsion spring 37 is installed on the torsion spring seat 36. The two ends of the torsion spring 37 are respectively provided with a first extension portion 371 and a second extension portion 372 that can pass through the torsion spring seat 36. The first extension portion 371 and the second extension portion 372 are spaced apart to form a clamping space 50, and the second lock tongue 22 is provided with a lock block 60 that can be inserted into the clamping space 50.

[0031] When the lock buckle is inserted into the slot 11, the lock buckle also falls into the lock groove 211, and the lock buckle is pressed down, which drives the first lock tongue 21 to swing, so that the first lock hook 212 can be hooked on the second lock hook 221, and the second lock tongue 22 locks the first lock tongue 21, so that the electric lock locks the lock buckle. When the motor 31 is working, the output end of the motor 31 drives the worm 32 to rotate, and the worm 32 drives the worm wheel 33 to rotate. The worm wheel 33 drives the sector teeth 35 to swing through the transmission gear set 34, and the sector teeth 35 drive the torsion spring seat 36 to rotate, so The first extension portion 371 and the second extension portion 372 swing, and the locking block 60 located on the second lock tongue 22 is inserted into the clamping space 50 formed by the first extension portion 371 and the second extension portion 372, so that the second lock tongue 22 can swing, and the second lock hook 221 and the first lock hook 212 are disengaged from each other. The first lock tongue 21 is reset under the elastic force of the elastic member 40, and the lock buckle can be disengaged from the lock groove 211 and the slot 11, thereby realizing the unlocking of the electric lock. The electric lock has a simple and compact structure, is easy to produce, and has low cost.

[0032] When the motor is working, the fan teeth swing and can swing to a position where the fan teeth are disengaged from the transmission gear set to prevent the fan teeth from getting stuck between the fan teeth and the transmission gear set, thereby causing the motor to be overloaded and burned. When the fan teeth swing to a position where the fan teeth are disengaged from the transmission gear set, the motor stops working and the elastic force of the first extension part and the second extension part on the torsion spring can re-engage the fan teeth with the transmission gear set.

[0033] The lock housing 10 includes a first upper lock housing 12, a second upper lock housing 13, a first lower lock housing 14 and a second lower lock housing 15. The first upper lock housing 12 is provided with a hollow portion 121 for installing the second upper lock housing 13, and the first lower lock housing 14 is provided with a hollow portion 141 for installing the second lower lock housing 15. The first upper lock housing 12 and the first lower lock housing 14 are covered to form a first installation cavity 16, and the second upper lock housing 13 and the second lower lock housing 15 are covered to form a second installation cavity 17. The locking device 20 is installed in the first installation cavity 16, and the motor 31, the worm 32, and the worm gear 33 are installed in the first installation cavity 16. The wheel 33, the transmission gear set 34 and the fan teeth 35 are installed in the second mounting cavity 17. The second upper lock shell 13 is provided with a third mounting cavity 131 for installing the torsion spring seat 36. The fan teeth 35 and the torsion spring seat 36 are rotated synchronously through the connecting shaft 38. The second upper lock shell 13 is provided with a through hole 132 for inserting the connecting shaft 38 into the third mounting cavity 131. Between the through hole 132 and the connecting shaft 38, there is a first extension portion 371 and a second extension portion 372 of the torsion spring 37 both pass through the third mounting cavity 131 and are inserted into the first mounting cavity 16.

[0034] To facilitate the installation of the locking device 20 and the driving device 30, the second upper lock shell 13 is sealed with the second lower lock shell 15 to prevent water from entering the second installation cavity 17, and to prevent the motor 31, worm wheel 33, worm 32, transmission gear set 34, connecting shaft 38 and fan teeth 35 from being damaged and unable to work. The through hole 132 and the connecting shaft 38 are sealed by the first sealing ring 130 to further prevent water from entering the second installation cavity 17, and to prevent the motor 31, worm wheel 33, worm 32, transmission gear set 34, connecting shaft 38 and fan teeth 35 from being damaged and unable to work.

[0035] The transmission gear set 34 includes a double gear 341 and a driven gear 342 . The driven gear 342 rotates synchronously with the worm gear 33 . The driven gear 342 meshes with the double gear 341 . The double gear 341 meshes with the sector gear 35 .

[0036] When the motor 31 is working, the output end of the motor 31 drives the worm 32 to rotate, the worm 32 drives the worm wheel 33 to rotate, the worm wheel 33 drives the driven gear 342 to rotate, the driven gear 342 drives the double gear 341 to rotate, and the double gear 341 drives the sector teeth 35 to swing.

[0037] Among them, a micro switch 70 is provided in the second installation cavity 17, and a pressure piece 80 that can touch and press the micro switch 70 is provided between the second upper lock shell 13 and the second lower lock shell 15. The pressure piece 80 is sealed with the second upper lock shell 13 and the second lower lock shell 15 respectively. After unlocking, the first lock tongue 21 swings, and the end of the first lock tongue 21 away from the first lock hook 212 can swing to the pressure piece 80, and the pressure piece 80 touches the micro switch 70.

[0038] Among them, in order to facilitate the first lock tongue to contact the touch-pressure piece with one end away from the first lock hook, a sliding piece can also be provided in the lock shell, one end of the sliding piece is connected to the lock shell, and the other end is pressed on the touch-pressure piece. When the first lock tongue swings, the end of the first lock tongue away from the first lock hook moves along the length direction of the sliding piece toward the touch-pressure piece, so that the sliding piece is pressed on the touch-pressure piece, and the touch-pressure piece contacts the micro switch.

[0039] One end of the first lock tongue 21 away from the first lock hook 212 swings to the touch-pressure member 80, and the touch-pressure member 80 presses the micro switch 70 to detect whether the first lock tongue 21 reaches the unlocking position. The touch-pressure member 80 is sealed with the second upper lock shell 13 and the second lower lock shell 14 respectively, so as to realize the sealing of the second installation cavity 17.

[0040] A cable groove 222 for installing the cable 110 is defined at one end of the second locking tongue 22 away from the second locking hook 221 , and a cable hole 18 for the cable 110 to pass through is defined on the housing 10 .

[0041] When the motor 31 is not working, the cable 110 can be pulled to drive the second lock tongue 22 to swing, so that the second lock hook 221 is separated from the first lock hook 212, thereby realizing unlocking the electric lock.

[0042] A wiring hole 90 for the power line to pass through is provided between the second upper lock shell 13 and the second lower lock shell 15 , and a second sealing ring 100 is provided in the hole 90 .

[0043] The second upper lock housing 13 and the second lower lock housing 15 are further connected and sealed to prevent water from entering the motor 31.

[0044] The second lock tongue 22 is provided with a limiting arm 223 , and the lock housing 10 is provided with a limiting column 19 . After locking, the limiting arm 223 abuts against the limiting column 19 to limit the swing of the second lock tongue 22 .

[0045] After locking, the second locking tongue 22 is restricted from swinging.

[0046] The elastic member 40 is a return torsion spring 37 , one end of the return torsion spring 37 is connected to the inner wall of the lock housing 10 , and the other end is connected to the first lock tongue 21 .

[0047] After the first lock hook 212 and the second lock hook 221 are separated from each other, the reset torsion spring 37 can swing the first lock tongue 21 back to its original position, thereby unlocking the electric lock.

Claims

1. An electric control lock, comprising a lock shell; a slot is provided on the lock shell; a locking device and a driving device are installed in the lock shell; the locking device comprises a first lock tongue and a second lock tongue hinged in the lock shell; the first lock tongue is provided with a lock slot; a first lock hook is provided at one end of the first lock tongue, and the second lock tongue is provided with a second lock hook, and the second lock hook is hooked on the first lock hook to achieve the locking of the first lock tongue by the second lock tongue; the driving device can drive the second lock tongue to swing, and the second lock hook is separated from the first lock hook to achieve unlocking; an elastic member is provided in the lock shell to reset the first lock tongue after unlocking; the driving device comprises a motor, a worm, a worm wheel and a transmission gear set arranged in the lock shell; the characteristics are: The driving device also includes fan teeth, a torsion spring seat and a torsion spring arranged in the lock housing; the worm is arranged on the output end of the motor, the worm is meshed with the worm wheel, the fan teeth and the torsion spring seat are arranged to rotate synchronously, the worm wheel drives the fan teeth to swing through the transmission gear set, and the torsion spring is installed on the torsion spring seat. The two ends of the torsion spring are respectively provided with a first extension part and a second extension part that can pass through the torsion spring seat, the first extension part and the second extension part are spaced apart to form a clamping space, and the second lock tongue is provided with a lock block that can be inserted into the clamping space.

2. An electric control lock according to claim 1, characterized in that: The lock shell comprises a first upper lock shell, a second upper lock shell, a first lower lock shell and a second lower lock shell, the first upper lock shell is provided with a hollow part for installing the second upper lock shell, the first lower lock shell is provided with a hollow part for installing the second lower lock shell, the first upper lock shell and the first lower lock shell are covered together to form a first installation cavity, the second upper lock shell and the second lower lock shell are covered together to form a second installation cavity, the locking device is installed in the first installation cavity, the motor, the worm, the worm gear, the transmission gear set and the fan teeth are installed in the second installation cavity, the second upper lock shell is provided with a third installation cavity for installing the torsion spring seat, the fan teeth and the torsion spring seat are synchronously rotated via the connecting shaft, the second upper lock shell is provided with a through hole for inserting the connecting shaft into the third installation cavity, a first sealing ring is provided between the through hole and the connecting shaft, the first extension part and the second extension part of the torsion spring both pass through the third installation cavity and are inserted into the first installation cavity.

3. An electric control lock according to claim 1 or 2, characterized in that: The transmission gear set comprises a double gear and a driven gear, the driven gear and the worm gear are arranged to rotate synchronously, the driven gear and the double gear are arranged to mesh with each other, and the double gear and the sector gear are arranged to mesh with each other.

4. An electric control lock according to claim 2, characterized in that: A micro switch is provided in the second installation cavity, and a pressure piece capable of pressing the micro switch is provided between the second upper lock shell and the second lower lock shell. The pressure piece is sealed with the second upper lock shell and the second lower lock shell respectively. After unlocking, the first lock tongue swings, and the end of the first lock tongue away from the first lock hook can swing to the pressure piece, and the pressure piece presses the micro switch.

5. An electric control lock according to claim 1 or 2, characterized in that: A cable groove for installing a cable is formed at one end of the second locking tongue away from the second locking hook, and a cable hole for passing the cable is formed on the lock housing.

6. An electric control lock according to claim 2, characterized in that: A wiring hole for the power line to pass through is provided between the second upper lock shell and the second lower lock shell, and a second sealing ring is provided in the wiring hole.

7. An electric control lock according to claim 1 or 2, characterized in that: A limiting arm is provided on the second lock tongue, and a limiting column is provided in the lock housing. After locking, the limiting arm abuts against the limiting column to limit the swing of the second lock tongue.

8. An electric control lock according to claim 1 or 2, characterized in that: The elastic member is a return torsion spring, one end of which is connected to the inner wall of the lock housing, and the other end of which is connected to the first lock tongue.

Images