CN207794833U - Electronic induction padlock - Google Patents

Abstract

the utility model relates to an electronic induction padlock, including lock body and the U-shaped latch hook of movably installing on the lock body, the lock body internal stability be equipped with PCB circuit board and with PCB circuit board electric connection's micro motor, inductive switch and battery the U-shaped latch hook is arranged in the inside one end of lock body and is equipped with the annular groove, and inductive switch is installed to the annular groove below, and PCB circuit board, micro motor and battery are arranged in annular groove one side be provided with a linkage piece that is used for turning into axial linear motion with rotary motion on micro motor's the output shaft, the preceding tip of linkage piece is equipped with the L type unlocking lever rather than sliding connection, the position of L type unlocking lever and the position of the annular groove one-to-one on the U-shaped latch hook, L type unlocking lever accessible linkage piece inserts or stretches out in the annular groove.

Description

Electronic induction padlock

technical field

The utility model relates to the technical field of electronic products, in particular to an electronic induction padlock.

Background technique

The use of mechanical locks has a long history. Because the key can be copied by a simple profiling machine, and the repetition rate is high, its safety is difficult to guarantee. Although the existing electronic locks have solved the problem of easy imitation, their lock core structure is usually more complex, the number of internal parts is large, the operation is unstable, and failures occur easily. This kind of electronic lock with complex structure is relatively large in size and cannot be applied to padlocks. Therefore, be badly in need of designing a kind of electronic padlock to solve above-mentioned technical problem.

Contents of the invention

The purpose of this utility model is to provide an electronic induction padlock that can effectively overcome the above-mentioned problems. It not only has a simple and compact overall structure, but also can realize unlocking or locking action through the forward and reverse rotation of the output shaft of the micro-motor.

The purpose of this utility model is achieved in that it includes a lock body and a U-shaped lock hook movably installed on the lock body, a PCB circuit board is fixed in the lock body and is electrically connected to the PCB circuit board The miniature motor, induction switch and storage battery; the end of the U-shaped lock hook placed inside the lock body is provided with an annular groove, the induction switch is installed under the annular groove, the PCB circuit board, the miniature The motor and battery are placed on one side of the annular groove; the output shaft of the micro-motor is provided with a linkage for converting rotary motion into axial linear motion, and the front end of the linkage is provided with a sliding connection L-shaped unlocking lever, the position of the L-shaped unlocking lever corresponds to the position of the annular groove on the U-shaped lock hook one by one, and the L-shaped unlocking lever can be inserted into or protruded from the annular groove through the linkage.

In the above structure, a spring and a rotating sleeve are provided in the linkage, and the rotation sleeve is rotatably installed in the linkage, and the rotation sleeve is fixedly connected with the output shaft of the micro motor; The spring is sleeved on the rotating sleeve, and the spring wires at both ends of the spring extend outward and are inserted and fixed on the inner wall of the linkage.

In the above structure, the two outer sides of the rotating sleeve are respectively provided with lugs capable of snapping into the gaps between the spring wires.

In the above structure, the front end of the linkage is protruded with a circular protrusion, and the L-shaped unlocking lever is provided with a guide groove corresponding to the circular protrusion, the guide groove is arranged obliquely, and the circular protrusion is inserted into the into the guide groove and can slide back and forth in the guide groove.

In the above structure, one end of the U-shaped lock hook placed in the lock body is sleeved with a return spring.

In the above structure, one end of the U-shaped locking hook placed in the lock body forms a cylindrical step, and the cylindrical step is arranged between the return spring and the annular groove.

In the above structure, a fixing bracket is fixed in the lock body, and the micro motor is fixed in the lock body through the fixing bracket.

The utility model controls the linkage to move linearly along the central axis of the rotating sleeve through the forward and reverse rotation of the output shaft of the micro-motor, and drives the L-shaped unlocking lever that slides and cooperates with the linkage to reciprocate toward the length direction of the annular groove, so that it can Stretch into or withdraw from the annular groove on the U-shaped lock hook, and then realize the unlocking or locking action of the padlock. The utility model has the advantages of small volume, simple and compact structure, stable operation, low failure rate, strong practicability, low production cost, easy production and manufacturing, and is beneficial to market promotion.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail

Fig. 1 is a schematic diagram of the overall structure of the utility model electronic induction padlock;

Fig. 2 is a schematic diagram of the decomposition structure of the electronic induction padlock of the present utility model;

Fig. 3 is an exploded schematic diagram of the linkage of the utility model and the L-shaped unlocking lever;

Fig. 4 is a diagram of the use state of the electronic induction padlock of the present invention (the electronic padlock is in an unlocked state).

In the figure: lock body 1, U-shaped lock hook 2, linkage 3, L-shaped unlocking lever 4, PCB circuit board 5, micro motor 6, induction switch 7, battery 8, fixed bracket 9, return spring 10, annular groove 11. Cylindrical step 12, circular protrusion 13, guide groove 14, rotating sleeve 15, spring 16, lug 17.

Detailed ways

As shown in Figures 1 to 4, the utility model discloses an electronic induction padlock, which includes a lock body 1 and a U-shaped lock hook 2 movably installed on the lock body 1, and a PCB circuit board is fixed inside the lock body 1 5 and a micro motor 6 electrically connected to the PCB circuit board 5, an induction switch 7 and a storage battery 8. One end of the U-shaped lock hook placed 2 in the lock body 1 is provided with an annular groove 11, an induction switch 7 is installed under the annular groove 11, and a PCB circuit board 5, a micro motor 6 and a battery 8 are placed on one side of the annular groove 11 . The output shaft of the micromotor 6 is provided with a linkage 3 for converting the rotary motion into an axial linear motion. The front end of the linkage 3 is provided with an L-shaped unlocking lever 4 that is slidably connected to it. The position of the L-shaped unlocking lever 4 is in line with the The positions of the annular grooves 11 on the U-shaped lock hook 2 correspond one by one, and the L-shaped unlocking lever 4 can be inserted into or protruded from the annular groove 11 through the linkage 3 .

Specifically, as shown in Figure 2 and Figure 3, the utility model mainly consists of a lock body 1, a U-shaped shackle 2, a micro motor 6 installed in the lock body 1, an induction switch 7, a storage battery 8, a linkage 3 and a L Type unlock lever 4 forms. The movement of the micromotor 6 and the L-shaped unlocking lever 4 through the linkage 3 forms a linkage connection, so that the micromotor 6 can drive the L-shaped unlocking lever 4 slidingly connected with the linkage 3 to reciprocate in the length direction of the annular groove 11 through the linkage 3 sports. Wherein, the L-shaped unlocking lever 4 extends backward toward one side of the U-shaped lock hook 2 to form an L-shaped structure. The guide groove 14 of the protrusion 13 and the L-shaped unlocking lever 4 are installed on the front end of the linkage 3 through the guide groove 14 arranged obliquely. That is, the micromotor 6 controls the linkage 3 to move linearly along the central axis of the rotating sleeve 15, and drives the L-shaped unlocking lever 4 that is slidingly matched with it to reciprocate in the length direction of the annular groove 11, so that the L-shaped unlocking lever 4 can be stretched into or Pull it out into the annular groove 11 on the U-shaped lock hook 2, and then realize the unlocking or locking action of the padlock.

Further, as shown in Figure 4, when the electronic padlock is in the locked state, the L-shaped unlocking lever 4 on the linkage 3 stretches into the annular groove 11 on the U-shaped lock hook 2, so that the electronic padlock is in the locked state; When the user holds an electronic card close to the electronic padlock, the sensor switch in the electronic padlock will sense the data in the electronic card. Once the data is read and confirmed to be the correct electronic card, the controller on the PCB circuit board 5 (not shown in the figure) (shown) control micromotor 6 to reverse, linkage 3 can move linearly relative to the axis of rotating sleeve 15, and simultaneously drive the L-shaped unlocking lever 4 slidingly matched with linkage 3 to extract the annular groove 11, so that the electronic padlock is in the unlocked state.

Preferably, the linkage 3 is provided with a spring 16 and a rotating sleeve 15 , the rotating sleeve 15 is rotatably installed in the linkage 3 , and the rotating sleeve 15 is fixedly connected with the output shaft of the micro motor 6 . The spring 16 is sleeved on the rotating sleeve 15, and the spring wires at both ends of the spring 16 extend outward and are inserted and fixed on the inner wall of the linkage 3. The outer sides of the rotating sleeve 15 are respectively provided with spring wires capable of snapping into the spring 16. gap between the lugs 17.

Specifically, as shown in Figure 3, the rotating sleeve 15 is fixedly connected to the output shaft of the micromotor 6 and the lug 17 on the rotating sleeve 15 is engaged in the gap between the spring wires of the spring 16, when the micromotor 6 is driven to rotate When the sleeve 15 rotates, the spring 16 socketed on the outer lug 17 of the rotating sleeve 15 rotates accordingly, and the linkage 3 can move linearly along the central axis of the rotating sleeve 15 under the action of the spring 16, driving it to slide and cooperate with it. The L-shaped unlocking lever 4 reciprocates toward the length direction of the annular groove 11.

Preferably, a circular protrusion 13 is protruded from the front end of the linkage member 3, and a guide groove 14 corresponding to the circular protrusion 13 is provided on the L-shaped unlocking lever 4. The guide groove 14 is arranged obliquely, and the circular protrusion 13 is inserted into the guide. slot 14 and can slide back and forth in the guide slot 14.

Preferably, one end of the U-shaped lock hook 2 placed in the lock body is sheathed with a return spring 10, and the return spring 10 is used to always return the U-shaped lock hook 2 to the locked position.

Preferably, one end of the U-shaped lock hook 2 placed inside the lock body 1 forms a cylindrical step 12 , and the cylindrical step 12 is arranged between the return spring 10 and the annular groove 11 . Specifically, the U-shaped lock hook 2 is movably installed in the lock body 1 through a cylindrical step 12, and a return spring 10 is installed on the top of the cylindrical step 12, and the return spring 10 can restore the U-shaped lock hook 2 to the locked state. position, the bottom of the cylindrical step 12 is provided with an annular groove 11 for inserting the L-shaped unlocking lever.

Preferably, a fixing bracket (not shown) is fixed inside the lock body 1, and the micro motor 6 is fixed in the lock body 1 through the fixing bracket.

Working principle: When the user holds an electronic card close to the electronic padlock, the sensor switch in the electronic padlock will sense the data in the electronic card. Once the data is read and confirmed to be the correct electronic card, the micro motor will reverse and control the linkage Movement along the central axis of the rotating sleeve drives the L-shaped unlocking lever on the linkage to stretch out into the annular groove on the U-shaped lock hook to realize the unlocking or locking action. When it needs to be locked again, the forward rotation of the micro-motor drives the L-shaped unlocking lever on the linkage to extend into the annular groove on the U-shaped lock hook to complete the locking action.

The utility model controls the linkage to move linearly along the central axis of the rotating sleeve through the forward and reverse rotation of the output shaft of the micro-motor, and drives the L-shaped unlocking lever that slides and cooperates with the linkage to reciprocate toward the length direction of the annular groove, so that it can Stretch into or withdraw from the annular groove on the U-shaped lock hook, and then realize the unlocking or locking action of the padlock. The utility model has the advantages of small volume, simple and compact structure, stable operation, low failure rate, strong practicability, low production cost, easy production and manufacturing, and is beneficial to market promotion.

The above is only the preferred implementation mode of this patent, and does not limit the scope of this patent. Any equivalent structure or equivalent process conversion made by using the description and the contents of the drawings, directly or indirectly used in other related technical fields, belongs to this patent. protected range.

Claims (7)

1. An electronic induction padlock, comprising a lock body and a U-shaped shackle movably installed on the lock body, characterized in that: the lock body is fixed with a PCB circuit board and is electrically connected to the PCB circuit board Connected micro motor, induction switch and storage battery; one end of the U-shaped lock hook placed inside the lock body is provided with an annular groove, the induction switch is installed below the annular groove, the PCB circuit board, The micro-motor and the storage battery are placed on one side of the annular groove; the output shaft of the micro-motor is provided with a linkage for converting rotary motion into axial linear motion, and the front end of the linkage is provided with a sliding connection The L-shaped unlocking lever, the position of the L-shaped unlocking lever corresponds to the position of the annular groove on the U-shaped lock hook, and the L-shaped unlocking lever can be inserted into or protruded from the annular groove through the linkage. 2. An electronic induction padlock as claimed in claim 1, wherein a spring and a rotating sleeve are arranged in the linkage, and the rotation sleeve is rotatably installed in the linkage and rotates The sleeve is fixedly connected with the output shaft of the micro motor; the spring is sleeved on the rotating sleeve, and the spring wires at both ends of the spring extend outward and are inserted and fixed on the inner wall of the linkage. 3. An electronic induction padlock as claimed in claim 2, characterized in that: the two outer sides of the rotating sleeve are respectively provided with lugs capable of snapping into the gaps between the spring wires. 4. An electronic induction padlock as claimed in claim 1, characterized in that: the front end of the linkage member is protruded with a circular protrusion, and the L-shaped unlocking lever is provided with a corresponding to the circular protrusion. The guide groove is arranged obliquely, and the circular protrusion is inserted into the guide groove and can slide back and forth in the guide groove. 5. An electronic induction padlock as claimed in claim 4, characterized in that: one end of the U-shaped lock hook placed in the lock body is sleeved with a return spring. 6. An electronic induction padlock as claimed in claim 5, wherein a cylindrical step is formed at one end of the U-shaped lock hook placed in the lock body, and the cylindrical step is arranged between the return spring and the lock body. between the annular grooves. 7. An electronic induction padlock as claimed in claim 1, characterized in that: the lock body is fixed with a fixing bracket, and the micro motor is fixed in the lock body through the fixing bracket.