CN210798566U - Intelligent U-shaped lock - Google Patents

Abstract

The utility model provides an intelligence U type lock belongs to tool to lock technical field. It has simplified inner structure, reduced production cost and prolonged service life. This intelligence U type lock is including the lock shell, the lock core and be the lock girder of U type, the lock core is located in the lock shell, the lateral part of lock girder is equipped with the draw-in groove, be equipped with motor and lockpin in the lock core, be equipped with the installation cavity on the lock core and the spout that is linked together with the installation cavity, the motor is located the installation cavity, the lockpin is located the spout and lockpin one end stretches into in the oral area of installation cavity, the cover is equipped with the torsional spring and has the preforming at the output shaft end fixing of motor on the output shaft of motor, the lockpin stretches into the one end lateral part in the installation cavity oral area and is equipped with the connecting hole, the one end of torsional spring is along radial extension and insert in the connecting hole, be equipped. The intelligent U-shaped lock has the advantages that the structure is well simplified, and the production cost is reduced.

Description

Intelligent U-shaped lock

Technical Field

The utility model belongs to the technical field of the tool to lock, a intelligence U type lock is related to.

Background

U-locks are currently in wide use in many fields. Traditional U type lock adopts mechanical unblock and locking mode, needs the user to insert the key in the key hole and operates, but the existence of key hole makes U type lock very easily pried or adopt tools such as steel wire to unblank, therefore the security is lower. Therefore, an intelligent U-shaped lock appears in the market, automatic locking and unlocking are achieved by arranging a motor and a transmission mechanism, and meanwhile the motor is controlled in an induction mode, so that the arrangement of a key hole is omitted, and the safety is greatly improved. However, in the existing intelligent U-shaped lock, the transmission mechanism structure for realizing the power transmission of the motor is relatively complex, so that the problems of high production cost, easy failure, inconvenient maintenance and replacement and the like exist.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide an intelligence U type lock, the technical problem that solve is how to simplify inner structure, reduction in production cost and increase of service life.

The purpose of the utility model can be realized by the following technical proposal:

an intelligent U-shaped lock comprises a lock shell, a lock core and a U-shaped lock beam, wherein the lock core is arranged in the lock shell, one end of the lock beam is hinged with the lock shell or inserted into the lock core, the other end of the lock beam is inserted into the lock core, a clamping groove is formed in the end side of the lock beam, a motor and a lock pin capable of being inserted into the clamping groove or being separated from the clamping groove are arranged in the lock core, the intelligent U-shaped lock is characterized in that a mounting cavity and a sliding groove communicated with the mounting cavity are arranged on the lock core, the motor is arranged in the mounting cavity, the lock pin is positioned in the sliding groove, one end of the lock pin extends into an opening of the mounting cavity, the extension direction of an output shaft of the motor is perpendicular to the extension direction of the lock pin, a torsion spring is sleeved on the output shaft of the motor, a pressing sheet is fixed at the end part of the output shaft of, the other end of the torsion spring extends along the radial direction and then is bent upwards to form a matching part, and the matching part penetrates through the notch.

The output shaft extending direction of motor is mutually perpendicular with the extending direction of lockpin, the lockpin stretches into the one end lateral part in the installation cavity oral area and is equipped with the connecting hole, the one end of torsional spring is along radially extending and insert in the connecting hole, upwards bending type formation cooperation portion after the other end of torsional spring is along radially extending, cooperation portion passes the notch, when the output shaft rotation of motor unlocks like this, the preforming is along with the output axial of motor keeps away from the direction swing of draw-in groove, the one side inner wall of department by the notch supports with cooperation portion and leans on the direction removal that pulls the lockpin to keeping away from the draw-in groove, and then. When the output shaft of the motor rotates to be locked, the pressing sheet swings towards the direction close to the clamping groove, the inner wall of the other side of the notch abuts against the matching part to push the lock pin to move towards the direction close to the clamping groove, and then the lock beam is locked.

This intelligence U type lock just can constitute power transmission mechanism through torsional spring and preforming, compares in the power transmission mechanism in current intelligence U type lock, has simplified the structure well, has reduced the cost of production, makes easy maintenance and change owing to the structure is simplified simultaneously.

In the intelligent U-shaped lock, the side part of one end, extending into the opening of the mounting cavity, of the lock pin is fixedly connected with the limiting head, and the limiting head abuts against the inner wall of the opening of the mounting cavity when the lock pin is inserted into the clamping groove.

The inner wall of the opening of the installation cavity is matched with the limiting head to form a limiting structure of the lock pin, so that the structure is further optimized.

In foretell intelligent U type lock, be connected with the baffle on the lock core, the baffle shelters from the oral area of spout and installation cavity.

The baffle is utilized to shield the sliding groove and the opening of the mounting cavity, so that the lock pin and the motor are positioned in the lock core and cannot be separated, the stability of matching of the torsion spring and the lock pin is ensured, and the reliability of unlocking or locking is ensured.

In the intelligent U-shaped lock, a controller, a timing module, a power-off module and a battery are further arranged in the lock cylinder, a control button which can enable the battery to electrify the controller is arranged in the lock cylinder, the intelligent U-shaped lock further comprises a radio frequency induction card and a radio frequency induction coil arranged in the lock shell, and when the control button is pressed down and the radio frequency induction card is close to the radio frequency induction coil, the controller can receive a radio frequency signal and control the motor to unlock and the timing module to start timing; when the timing module reaches the set time, the controller controls the motor to lock and the power-off module cuts off the power supply of the battery.

When the electronic lock is used, a user firstly presses the control button to electrify the controller and the battery, then the radio frequency induction card is held by the hand to be close to the radio frequency induction coil, the radio frequency induction coil sends a signal to the controller, the controller controls the motor to start after receiving the signal, the output shaft of the motor pulls the lock pin to translate in the direction far away from the clamping groove through the pressing sheet to realize automatic unlocking, so that one end of the lock beam inserted into the lock core can be pulled out, namely the U-shaped lock is opened, and the timing module starts timing at the moment. And then, a user penetrates through the tire of the electric vehicle and then inserts one end of the lock beam into the lock hole again, after the timing module reaches a set time, the controller controls the output shaft of the motor to rotate reversely, the motor pushes the lock pin to move horizontally in a direction close to the clamping groove through the pressing sheet, one end of the lock pin is inserted into the clamping groove to realize automatic locking, and the power supply of the battery is cut off by the power-off module after the locking.

The intelligent U-shaped lock can automatically disconnect the power supply of the battery after being automatically locked, so that unnecessary loss of the electric quantity of the battery is avoided, the service life of the battery is greatly prolonged, and the replacement frequency of the battery is reduced.

The rf induction coil and the rf induction card are conventional technologies, such as the rf U-lock disclosed in application No. 201110244457.3, and are not described herein. The controller adopts a single chip microcomputer with the model number of SC92F7251M16 for processing.

In foretell intelligent U type lock, the lock shell includes one side open-ended casing and connects in the panel of casing opening part, is equipped with the hole of stepping down that supplies the lock girder one end to pass on the casing, and the lock core is rectangular cubic, and spout and installation cavity are located the one side of lock core panel dorsad, are equipped with the through-hole on the panel, and through-hole department is fixed with the waterproof circle of rubber, and radio frequency induction coil is located the waterproof circle of rubber inboard, and control button is located the surface of the waterproof circle of rubber.

In the intelligent U-shaped lock, a buzzer electrically connected with the controller is fixed on the lock cylinder.

The buzzer can provide sound prompt for unlocking and locking of the lock beam, so that a user can better master the working condition of the intelligent lock.

In the intelligent U-shaped lock, a prompting lamp electrically connected with the controller is arranged in the lock cylinder and is positioned on the surface of the rubber waterproof ring.

The prompting lamp can be used for displaying different colors for prompting, for example, when the prompting lamp turns red and lights up, a user can be prompted to replace the battery; when the indicator light turns green and lights, the unlocking state can be indicated.

In the above intelligent U-shaped lock, the lock cylinder is provided with a USB interface electrically connected to the controller, and an opening of the USB interface is located on the surface of the panel.

When the battery does not have the electricity, usable USB interface connection charges precious realization emergency power supply to the unblock.

Compared with the prior art, the intelligent U-shaped lock can form a power transmission mechanism only through the torsion spring and the pressing sheet, the structure is well simplified, the production cost is reduced, and meanwhile, the intelligent U-shaped lock is easy to maintain and replace due to the simplified structure. In addition, the service life of the battery is longer, and the replacement frequency of the battery is reduced.

Drawings

Fig. 1 is a schematic diagram of an intelligent U-lock according to a first embodiment.

Fig. 2 is another schematic view of an intelligent U-lock according to an embodiment.

Fig. 3 is an exploded view of the lock case according to the first embodiment.

Fig. 4 is a schematic view of the connection between the lock beam and the lock cylinder in the first embodiment.

Fig. 5 is an exploded schematic view between a lock beam and a lock cylinder in the first embodiment.

FIG. 6 is a schematic view of the connection between the latch, motor, torsion spring and wafer.

Fig. 7 is an exploded view of the latch, motor, torsion spring and wafer.

In the drawings, 1, a lock shell; 1a, a shell; 1b, a panel; 1b1, vias; 2. a lock cylinder; 2a, a chute; 2b, mounting a cavity; 2c, a lock hole; 2d, a battery compartment; 3. a lock beam; 3a, a clamping groove; 4. a motor; 5. a lock pin; 5a, connecting holes; 5b, a limiting head; 6. a torsion spring; 6a, a matching part; 7. tabletting; 7a, a notch; 8. a baffle plate; 9. a battery; 10. a control button; 11. a radio frequency induction coil; 12. a rubber waterproof ring; 13. a buzzer; 14. a warning light; 15. a USB interface; 16. and (7) a cover plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-5, the intelligent U-shaped lock comprises a lock shell 1, a lock cylinder 2 and a U-shaped lock beam 3, wherein the lock cylinder 2 is arranged in the lock shell 1, the lock shell 1 is rectangular, the lock shell 1 is positioned at two ends of the lock beam 3, one end of the lock beam 3 is hinged to the lock shell 1, the other end of the lock beam 3 penetrates through the lock shell 1 and is inserted into the lock cylinder 2, a clamping groove 3a is arranged on one end side of the lock beam 3 inserted into the lock cylinder 2, a lock pin 5 capable of translating is arranged in the lock cylinder 2, one end of the lock pin 5 can be inserted into the clamping groove 3a to realize locking when the lock pin 5 translates, or one end of the lock pin 5 can be pulled out of the clamping groove 3a to realize unlocking.

As shown in fig. 4-7, the lock cylinder 2 is a rectangular block, a lock hole 2c is formed in a side portion of one end of the lock cylinder 2, and one end of the lock beam 3 is inserted into the lock hole 2 c. Still be equipped with spout 2a and installation cavity 2b on the lock core 2, lockhole 2c, spout 2a and installation cavity 2b lie in same one side of lock core 2, and spout 2a is the straight flute, and the both ends of spout 2a are linked together with the drill way of lockhole 2c and the oral area of installation cavity 2b respectively. Be equipped with motor 4 in the installation cavity 2b, lockpin 5 is located in spout 2a, and 5 one ends of lockpin stretch into in installation cavity 2b, and the output shaft extending direction of motor 4 is mutually perpendicular with lockpin 5's extending direction. The output shaft of the motor 4 is sleeved with a torsion spring 6, the end part of the output shaft of the motor 4 is fixedly provided with a pressing sheet 7, the side part of one end, extending into the opening part of the mounting cavity 2b, of the lock pin 5 is provided with a connecting hole 5a, one end of the torsion spring 6 extends along the radial direction and is inserted into the connecting hole 5a, the pressing sheet 7 is provided with a notch 7a, the other end of the torsion spring 6 extends along the radial direction and then is bent upwards to form a matching part 6a, and the matching part 6 a. The lateral part of one end of the lock pin 5 extending into the opening of the mounting cavity 2b is fixedly connected with a limiting head 5b, and when the lock pin 5 is inserted into the clamping groove 3a, the limiting head 5b is abutted against the inner wall of the opening of the mounting cavity 2 b. The lock core 2 is connected with a baffle 8, and the baffle 8 shields the opening parts of the sliding groove 2a and the mounting cavity 2 b.

The extending direction of the output shaft of the motor 4 is perpendicular to the extending direction of the lock pin 5, a connecting hole 5a is formed in the side portion of one end, extending into the opening of the mounting cavity 2b, of the lock pin 5, one end of the torsion spring 6 extends in the radial direction and is inserted into the connecting hole 5a, the other end of the torsion spring 6 extends in the radial direction and is bent upwards to form a matching portion 6a, and the matching portion 6a penetrates through the notch 7a, so that when the output shaft of the motor 4 rotates to unlock, the pressing sheet 7 swings in the direction away from the clamping groove 3a along with the output shaft of the motor 4, the inner wall of one side of the notch 7a abuts against the matching portion 6a to pull the lock pin 5 to move in the direction away from. When the output shaft of the motor 4 rotates to lock, the pressing sheet 7 swings towards the direction close to the clamping groove 3a, and the inner wall of the other side of the notch 7a abuts against the matching part 6a to push the lock pin 5 to move towards the direction close to the clamping groove 3a, so that the lock beam 3 is locked.

The intelligent U-shaped lock further comprises a radio frequency induction card and a radio frequency induction coil 11 arranged in the lock shell 1, when the control button 10 is pressed down and the radio frequency induction card is close to the radio frequency induction coil 11, the controller can receive a radio frequency signal and control the motor 4 to unlock and the timing module to start timing; when the timing module reaches the set time, the controller controls the motor 4 to lock and the power-off module cuts off the power supply of the battery 9. In the embodiment, the timing module counts 10S, and the battery 9 is a 9V battery.

When the electronic lock is used, a user firstly presses the control button 10 to electrify the controller and the battery 9, then the handheld radio frequency induction card is close to the radio frequency induction coil 11, the radio frequency induction coil 11 sends a signal to the controller, the controller controls the motor 4 to be started after receiving the signal, the output shaft of the motor 4 pulls the lock pin 5 to translate in the direction far away from the clamp groove 3a through the pressing sheet 7 to realize automatic unlocking, so that one end of the lock beam 3 inserted into the lock cylinder 2 can be pulled out, namely the U-shaped lock is opened, and the timing module starts timing at the moment. Then, the user inserts the lock beam 3 into the lock hole 2c again after penetrating the tire of the electric vehicle, after the timing module reaches the set time, the controller controls the output shaft of the motor 4 to rotate reversely, the motor 4 pushes the lock pin 5 to translate towards the direction close to the clamping groove 3a through the pressing sheet 7, one end of the lock pin 5 is inserted into the clamping groove 3a to realize automatic locking, and the power supply of the battery 9 is cut off by the power-off module after the locking.

The intelligent U-shaped lock can automatically cut off the power supply of the battery 9 after being automatically locked, and avoids unnecessary loss of the electric quantity of the battery 9, thereby greatly prolonging the service life of the battery 9 and reducing the replacement frequency of the battery 9.

As shown in fig. 2 and 3, the lock case 1 includes a case 1a with an opening on one side and a panel 1b connected to the opening of the case 1a, the case 1a is provided with a relief hole for passing through one end of the lock beam 3, and the lock hole 2c, the sliding groove 2a and the mounting cavity 2b are located on one side of the lock cylinder 2 opposite to the panel 1 b. One side of the lock cylinder 2 facing the panel 1b is provided with a battery 9 bin 2d, the battery 9 is arranged in the battery 9 bin 2d, and the opening part of the battery 9 bin 2d is connected with a cover plate 16 for sealing the battery 9 in the battery 9 bin 2 d. The panel 1b is provided with a through hole 1b1, a rubber waterproof ring 12 is fixed at the through hole 1b1, the radio frequency induction coil 11 is positioned at the inner side of the rubber waterproof ring 12, and the control button 10 is positioned on the surface of the rubber waterproof ring 12. A buzzer 13 electrically connected with the controller and a prompting lamp 14 electrically connected with the controller are fixed on the lock cylinder 2, the prompting lamp 14 is positioned on the surface of the rubber waterproof ring 12, the buzzer 13 can emit dripping sound to prompt when unlocking and locking, and the prompting lamp 14 can be used for displaying different colors to prompt, for example, when the battery 9 is below 5V, the prompting lamp 14 turns red and lights to prompt a user to replace the battery 9; when the button is pressed and the rf induction card approaches the rf induction coil 11, the indicator light 14 turns green and lights up, thus indicating an unlocked state. The lock core 2 is also provided with a USB interface 15 electrically connected with the controller, and the mouth of the USB interface 15 is positioned on the surface of the panel 1 b. When the battery 9 is not charged, the USB interface 15 can be used for connecting the charger to realize emergency power supply so as to unlock.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in this embodiment, the lock cylinder 2 is provided with two lock holes 2c, both ends of the lock beam 3 pass through the lock case 1 and are inserted into the lock holes 2c, and the engaging groove 3a is provided on a side portion of one end of the lock beam 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (8)

1. An intelligent U-shaped lock comprises a lock shell (1), a lock cylinder (2) and a U-shaped lock beam (3), wherein the lock cylinder (2) is arranged in the lock shell (1), one end of the lock beam (3) is hinged with the lock shell (1) or inserted into the lock cylinder (2), the other end of the lock beam (3) is inserted into the lock cylinder (2) and provided with a clamping groove (3a) at the end side part, a motor (4) and a lock pin (5) which can be inserted into the clamping groove (3a) or separated from the clamping groove (3a) are arranged in the lock cylinder (2), the intelligent U-shaped lock is characterized in that the lock cylinder (2) is provided with a mounting cavity (2a) and a sliding groove (2b) communicated with the mounting cavity (2a), the motor (4) is arranged in the mounting cavity (2a), the lock pin (5) is positioned in the sliding groove (2b), one end of the lock pin (5) extends into the opening of the mounting cavity (2a), and the extension direction of an output shaft of the motor (4) is vertical to the extension, the output shaft of motor (4) goes up the cover and is equipped with torsional spring (6) and is fixed with preforming (7) at the output shaft end of motor (4), lockpin (5) stretch into one end lateral part in installation cavity (2a) oral area and are equipped with connecting hole (5a), the one end of torsional spring (6) is along radially extending and insert in connecting hole (5a), be equipped with notch (7a) on preforming (7), the other end of torsional spring (6) is along radially extending back upwards bending type form cooperation portion (6a), cooperation portion (6a) pass notch (7 a).

2. An intelligent U-shaped lock according to claim 1, wherein a limiting head (5b) is fixedly connected to one end side of the lock pin (5) extending into the opening of the installation cavity (2a), and when the lock pin (5) is inserted into the clamping groove (3a), the limiting head (5b) abuts against the inner wall of the opening of the installation cavity (2 a).

3. The intelligent U-shaped lock according to claim 2, wherein the lock cylinder (2) is connected with a baffle (8), and the baffle (8) shields the sliding groove (2b) and the opening of the installation cavity (2 a).

4. The intelligent U-shaped lock according to claim 1, 2 or 3, characterized in that a controller, a timing module, a power-off module and a battery (9) are further arranged in the lock cylinder (2), a control button (10) which can enable the battery (9) to supply power to the controller is arranged in the lock cylinder (2), the intelligent U-shaped lock further comprises a radio frequency induction card and a radio frequency induction coil (11) arranged in the lock shell (1), when the control button (10) is pressed and the radio frequency induction card is close to the radio frequency induction coil (11), the controller can receive a radio frequency signal and control the motor (4) to unlock and the timing module starts timing; when the timing module reaches the set time, the controller controls the motor (4) to lock, and the power-off module cuts off the power supply of the battery (9).

5. The intelligent U-shaped lock according to claim 4, wherein the lock case (1) comprises a case (1a) with an opening on one side and a panel (1b) connected to the opening of the case (1a), the case (1a) is provided with a relief hole for one end of the lock beam (3) to pass through, the lock cylinder (2) is rectangular, the sliding groove (2b) and the mounting cavity (2a) are located on one side of the lock cylinder (2) facing away from the panel (1b), the panel (1b) is provided with a through hole (1b1), a rubber waterproof ring (12) is fixed at the through hole (1b1), the radio frequency induction coil (11) is located on the inner side of the rubber waterproof ring (12), and the control button (10) is located on the surface of the rubber waterproof ring (12).

6. An intelligent U-shaped lock according to claim 4, characterized in that a buzzer (13) electrically connected with a controller is fixed on the lock cylinder (2).

7. An intelligent U-shaped lock according to claim 5, characterized in that a warning light (14) electrically connected with the controller is arranged in the lock cylinder (2), and the warning light (14) is positioned on the surface of the rubber waterproof ring (12).

8. An intelligent U-shaped lock according to claim 5, wherein the lock core (2) is provided with a USB interface (15) electrically connected with the controller, and the mouth of the USB interface (15) is positioned on the surface of the panel (1 b).

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