An electronic lock cylinder

Abstract

An electronic lock core includes a lock shell, a lock core, a pressure spring, a pin, an electromagnet, a moving iron core, a magnet and a lock core rod made of a non-magnetic material. The lock shell includes a flange and an axial groove. The lock core includes an electromagnet cavity, a core rod cavity, a pin cavity, a radial guide hole, an annular seat plate arranged at the open end and an output shaft. The pin includes a rod body, a circular disk and a pin head. The lock core rod includes a sliding cavity body and a locking head, and the locking head is provided with an annular groove. The magnet is arranged in the sliding cavity body, and the moving iron core is inserted into the sliding cavity body and extends out. The lock core rod is slidably matched with the guide cavity of the electromagnetic part, the electromagnet is fixed with the electromagnet cavity, and the locking head moves in the core rod cavity. The rod body passes through the pressure spring and is slidably matched with the radial guide hole. The lock core is rotatably matched with the lock shell, and the pin head is matched with the axial groove. The arrangement of the electromagnet, the magnet, the lock core rod, the pressure spring and the pin simplifies the structure and the action relationship is simple.

Description

Technical Field

[0001] The invention relates to a lock, in particular to an electronic lock core. Background Art

[0002] At present, the existing technology is Chinese patent 201610367084.1, an electronic lock actuator and its release method, including a lock core or lock body, a lock buckle slidably installed in the radial hole of the lock core or lock body, a locked element, a micro motor installed in the axial hole of the lock core or lock body, a lock buckle elastic element installed at the bottom of the radial hole of the lock core or lock body, and a control circuit for controlling the operation of the micro motor; an eccentric crank is provided at the output end of the micro motor; the lock buckle is provided with a driving groove with left and right driving surfaces on both side walls, the eccentric crank is located in the driving groove of the lock buckle, and the width of the driving groove is less than the maximum diameter of the running track of the eccentric crank; when unlocking, the micro motor drives the eccentric crank to make an eccentric rotation, and the eccentric crank moves the right driving surface of the driving groove of the lock buckle to move it to the right and compress the lock buckle elastic element, so that the left end face of the lock buckle is separated from the locking notch of the locked element, so that the lock core or lock body is unlocked. The existing problems are: the structure is complex and high precision is required. Summary of the invention

[0003] The purpose of the present invention is to provide an electronic lock core which has the characteristics of simple structure and simple action relationship.

[0004] The present invention is implemented as follows: an electronic lock core, which is special in that it includes a lock shell, a lock core, a pressure spring, a pin, an electromagnet, a moving iron core, a magnet and a lock core rod made of a non-magnetic material,

[0005] The lock housing includes a flange at the open end and an axial groove on the inner wall.

[0006] The lock core includes an electromagnet cavity, a core rod cavity, a ball cavity, a radial guide hole, an annular seat plate arranged at the open end, and an output shaft, and the output shaft includes a square portion and an external threaded portion;

[0007] The pin includes a rod body, a circular disc and a pin head.

[0008] The lock core rod comprises a sliding cavity portion and a locking head portion, and the locking head portion is provided with an annular groove;

[0009] The magnet is arranged in the sliding cavity part, the moving iron core is inserted into the sliding cavity part and extends out; the lock core rod is slidably matched with the guide cavity of the electromagnetic part, the electromagnet is fixed with the electromagnet cavity, and the locking head moves in the core rod cavity; the rod body passes through the pressure spring and is slidably matched with the radial guide hole; the lock core is rotatably matched with the lock shell, and the pin head is matched with the axial groove.

[0010] Preferably: the opening end of the lock housing is provided with an arc-shaped stop groove.

[0011] A stop block is provided on the annular seat plate of the lock core, and the stop block is slidably matched with the arc-shaped stop groove.

[0012] Preferably: the head of the marble is a spherical curved surface;

[0013] The cross section of the axial groove is in an arc shape.

[0014] Preferably: the annular base plate of the lock core is provided with two connecting holes, and one end of the connecting hole is provided with a countersunk hole;

[0015] The output shaft comprises a square portion and an external threaded portion;

[0016] The invention also comprises a control driving device, a hollow knob with an open end, a locking bolt plate and a nut. Two fixing column seats are arranged in the knob, and a square hole is arranged on the locking bolt plate.

[0017] The control drive device is arranged in the knob, the annular seat plate is embedded in the knob, the fixed column seat supports the annular seat plate, the screw passes through the connecting hole and is screwed with the fixed column seat; the square hole of the locking plate is embedded with the square part, and the nut is screwed with the external thread part.

[0018] Preferably: the knob is provided with an interface hole and a plug-in hole;

[0019] The control drive device comprises a mainboard bracket, a mainboard, a fingerprint reader and a USB interface arranged on the mainboard, a rechargeable battery and a mainboard cover.

[0020] The mainboard bracket is provided with a convex cavity with a front opening and at least two card slots; the mainboard cover is provided with two card slots;

[0021] The fingerprint reading head is embedded in the convex cavity, the main board is fixed to the main board bracket, the rechargeable battery is arranged between the main board and the main board cover, the card slot is embedded in the fixed column seat, the convex cavity is plugged into the plug hole, and the USB interface is embedded in the interface hole.

[0022] The electronic lock core of the present invention adopts such a structure, and the arrangement of the electromagnet, the magnet, the lock core rod, the pressure spring and the pin simplifies the structure and the action relationship. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a cross-sectional view of the present invention.

[0024] Figure 2 yes Figure 1 A-A view of.

[0025] Figure 3 It is one of the three-dimensional exploded views of the present invention.

[0026] Figure 4 It is the second of the three-dimensional exploded diagrams of the present invention.

[0027] Figure 5It is three-dimensional exploded view of the present invention.

[0028] Figure 6 It is four of the three-dimensional exploded views of the present invention.

[0029] Figure 7 It is a three-dimensional diagram of the marble of the present invention.

[0030] Figure 8 It is a stereoscopic diagram of the lock gallbladder of the present invention.

[0031] Fig. 9 It is a perspective view of the present invention. DETAILED DESCRIPTION

[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] like Figure 1 As shown, an electronic lock core comprises a lock housing 1, a lock core 2, a pressure spring 3, a pin 4, an electromagnet 5, a moving iron core 6, a magnet 7 and a lock core rod 8 made of a non-magnetic material.

[0034] The lock housing 1 comprises a flange 1A at the open end and an axial groove 1B on the inner wall.

[0035] The lock core 2 includes an electromagnet chamber 21, a core rod chamber 22, a ball chamber 23, a radial guide hole 24, an annular seat plate 25 arranged at the open end, and an output shaft 26;

[0036] The ball 4 includes a rod body 41, a circular disk 42 and a ball head 43, the electromagnet 5 includes a yoke, a coil, a bobbin and a fixed iron core, the bobbin includes a tube body and circular baffles arranged at both ends of the tube body, and the electromagnet 5 is a well-known technology; the tube body is the guide cavity mentioned in the present invention;

[0037] The lock core rod 8 includes a sliding cavity portion 81 and a locking head portion 82, and the locking head portion 82 is provided with an annular groove 821;

[0038] The magnet 7 is arranged in the sliding cavity part 81, the moving iron core 6 is inserted into the sliding cavity part 81 and extends out of the sliding cavity part 81, and the magnet 7, the moving iron core 6 and the lock core rod 8 are fixed as a whole; the sliding cavity part 81 of the lock core rod 8 is slidably matched with the guide cavity of the electromagnetic member 5, the electromagnet 5 is fixed with the electromagnet cavity 21, and the locking head 82 moves in the core rod cavity 22; the rod body part 41 passes through the pressure spring 3 and is slidably matched with the radial guide hole 24; the lock core 2 is rotatably matched with the lock housing 1, and the pin head 43 is matched with the axial groove 1B;

[0039] Figure 2 In the present invention, the electromagnet 5 is powered off and in a locked state, the lock core 2 cannot rotate relative to the lock housing 1, and the rod body 41 of the pin 4 abuts against the locking head 82;

[0040] exist Figure 2 In the state shown, the electromagnet 5 is energized, the fixed iron core of the electromagnet 5 is magnetized, the magnetism generated by the fixed iron core is opposite to that of the magnet 7, the magnet 7, the moving iron core 6 and the lock core rod 8 move to the right, and the rod body 41 of the pin 4 is opposite to the annular groove 821, that is, the lock is unlocked; at this time, the lock core 2 is rotated, the pin 4 moves radially, and the pin head 43 leaves the axial groove 1B;

[0041] When the lock core 2 returns, the pin head 43 enters the axial groove 1B, the electromagnet 5 is powered off, the magnet 7 is magnetically attracted to the fixed iron core, and the magnet 7, the moving iron core 6 and the lock core rod 8 move to the left and are in a locked state.

[0042] As a further improvement of the present invention: the opening end of the lock housing 1 is provided with an arc-shaped stop groove 1C.

[0043] The annular base plate 25 of the lock core 2 is provided with a stop block 251, and the stop block 251 is slidably matched with the arc-shaped stop groove 1C. The lock core 2 can rotate 90 degrees.

[0044] The marble head 43 is a spherical curved surface;

[0045] The cross section of the axial groove 1B is in the shape of an arc.

[0046] As a further improvement of the present invention: the annular base plate 25 of the lock core 2 is provided with two connecting holes 252, one end of the connecting hole 252 is provided with a countersunk hole, and the two connecting holes 252 are on a diameter line;

[0047] The output shaft 26 includes a square portion 261 and an external threaded portion 262;

[0048] It also includes a control drive device, a hollow knob 9 with an open end, a locking bolt plate 10 and a nut 11. Two fixing column seats 91 are arranged in the knob 9, and a square hole is arranged on the locking bolt plate 10.

[0049] The control drive device is arranged in the knob 9, the annular seat plate 25 is embedded in the knob 9, the fixed column seat 91 supports the annular seat plate 25, the screw passes through the connecting hole 252 and is screwed with the fixed column seat 91; the square hole of the locking plate 10 is engaged with the square part 261, and the nut 11 is screwed with the external thread part 262. When the knob 9 is turned, the lock core 2 rotates with the knob 9.

[0050] As a further improvement of the present invention: the knob 9 is provided with an interface hole 92 and a plug hole 93;

[0051] The control and drive device includes a main board bracket 121, a main board 122, a fingerprint reader 123, a USB interface 124, a rechargeable battery 125, and a main board cover 126 provided on the main board.

[0052] The main board bracket 121 is provided with a convex cavity with a front opening and two card slots; the main board cover 126 is provided with two card slots and a connecting post seat.

[0053] The fingerprint reader 123 is fitted into the convex cavity, the main board 122 is fixed to the main board bracket 121, the rechargeable battery 15 is arranged between the main board 122 and the main board cover 126, screws pass through the main board bracket 121 and are screwed with the connecting post seat, the card slots are fitted with the fixing post seat 91, the convex cavity is inserted into the insertion hole 93, and the USB interface 124 corresponds to the interface hole.

[0054] When a finger touches the fingerprint reader 123, the main board 122 performs identification; when it corresponds to the pre-stored fingerprint, the main board 122 supplies power to the electromagnet 5; the magnet 7, the moving iron core 6, and the lock core rod 8 move to the right, the rod body part 41 of the ball 4 faces the annular groove 821, then the knob 9 is rotated, the lock cylinder rotates with the knob 9, the ball head 43 of the ball 4 leaves the axial groove 1C, and the end of the rod body part 41 enters the annular groove 821; the lock tongue plate 10 rotates with the lock cylinder to achieve unlocking, and the electromagnet 5 is powered off.

[0055] After the knob 9, the lock cylinder 2, and the lock tongue plate 10 return, the magnet 7 and the fixed iron core are attracted, the locking head 82 of the lock core rod 9 faces the rod body part 41, and the rod body part 41 avoids the annular groove 821. There can be a refrigerator lock or a drawer lock.

[0056] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. An electronic lock cylinder, Features: It includes a lock case, a lock core, a pressure spring, a pin, an electromagnet, a moving iron core, a magnet and a lock core rod made of non-magnetic conductive materials. The lock housing includes a flange at the open end and an axial groove on the inner wall. The lock core includes an electromagnet cavity, a core rod cavity, a ball cavity, a radial guide hole, an annular seat plate arranged at the open end, and an output shaft, and the output shaft includes a square portion and an external threaded portion; The pin includes a rod body, a circular disc and a pin head. The lock core rod comprises a sliding cavity portion and a locking head portion, and the locking head portion is provided with an annular groove; The magnet is arranged in the sliding cavity, the moving iron core is inserted into the sliding cavity and extends out; the lock core rod is slidably matched with the guide cavity of the electromagnetic part, the electromagnet is fixed with the electromagnet cavity, and the locking head moves in the core rod cavity; the rod body passes through the pressure spring and is slidably matched with the radial guide hole; the lock core is rotatably matched with the lock shell, and the pin head is matched with the axial groove; The opening end of the lock housing is provided with an arc-shaped stop groove. A stop block is provided on the annular seat plate of the lock core, and the stop block is slidably matched with the arc-shaped stop groove; The head of the marble is a spherical curved surface; The cross section of the axial groove is in the shape of a circular arc; The annular base plate of the lock core is provided with two connecting holes, and one end of the connecting hole is provided with a countersunk hole; The output shaft comprises a square portion and an external threaded portion; It also includes a control drive device, a knob with an open hollow end, a locking bolt plate and a nut. There are two fixed column seats in the knob, and a square hole is provided on the bolt plate; The control drive device is arranged in the knob, the annular seat plate is embedded in the knob, the fixed column seat supports the annular seat plate, the screw passes through the connecting hole and is screwed with the fixed column seat; the square hole of the locking plate is embedded with the square part, and the nut is screwed with the external thread part.

2. An electronic lock cylinder according to claim 1, Features: The knob is provided with an interface hole and a plug-in hole; The control drive device comprises a mainboard bracket, a mainboard, a fingerprint reader and a USB interface arranged on the mainboard, a rechargeable battery and a mainboard cover. The mainboard bracket is provided with a convex cavity with a front opening and at least two card slots; the mainboard cover is provided with two card slots; The fingerprint reading head is embedded in the convex cavity, the main board is fixed to the main board bracket, the rechargeable battery is arranged between the main board and the main board cover, the card slot is embedded in the fixed column seat, the convex cavity is plugged into the plug hole, and the USB interface is embedded in the interface hole.

Images