CN217925351U - Electronic lock core - Google Patents

Abstract

An electronic lock cylinder comprises a lock shell, a lock liner, a pressure spring, a marble, an electromagnet, a movable iron core, a magnet and a lock core rod made of non-magnetic materials, wherein the lock shell comprises a flange and an axial groove; the magnet is arranged in the sliding cavity part, and the movable iron core is inserted into the sliding cavity part and extends out; the lock core rod is in sliding fit with the guide cavity of the electromagnetic piece, the electromagnet is fixed with the electromagnet cavity, and the locking head moves in the core rod cavity; the rod body part penetrates through the pressure spring to be in sliding fit with the radial guide hole; the lock core is matched with the lock shell in a rotating way, and the head of the marble is matched with the axial groove. The arrangement of the electromagnet, the magnet, the lock core rod, the pressure spring and the marble simplifies the structure and has simple action relation.

Description

Electronic lock core

Technical Field

The utility model relates to a tool to lock, especially an electronic lock core.

Background

In the prior art, chinese patent 201610367084.1, an electronic lock actuator and a tripping method thereof include a lock core or a lock body, a lock slidably mounted in a radial hole of the lock core or the lock body, a locked element, a micro-motor mounted in an axial hole of the lock core or the lock body, a lock elastic element mounted at the bottom of the radial hole of the lock core or the lock body, and a control circuit for controlling the micro-motor to operate; the output end of the micro motor is provided with an eccentric crank; the lock catch is provided with a driving groove with two side walls being a left driving surface and a right driving surface, the eccentric crank is positioned in the driving groove of the lock catch, and the width of the driving groove is smaller than the maximum diameter of the running track of the eccentric crank; when the lock is unlocked, the micro motor drives the eccentric crank to do eccentric rotation motion, the eccentric crank drives the right driving surface of the driving groove of the lock catch to move rightwards and compress the elastic element of the lock catch, so that the left end surface of the lock catch is separated from the locking notch of the locked element, and the lock core or the lock body is unlocked. There are problems in that: the structure is complicated, and the required precision is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the electronic lock cylinder has the characteristics of simple structure and simple action relation.

The utility model discloses a realize like this: an electronic lock core is characterized in that: it comprises a lock shell, a lock liner, a pressure spring, a marble, an electromagnet, a movable iron core, a magnet and a lock core rod made of non-magnetic materials,

the lock shell comprises a flange arranged at the opening end and an axial groove arranged on the inner wall,

the lock core comprises an electromagnet cavity, a core rod cavity, an elastic cavity, a radial guide hole, an annular seat plate arranged at the opening end and an output shaft, wherein the output shaft comprises a square part and an external thread part;

the marble comprises a rod body part, a circular disc part and a marble head part,

the lock core rod comprises a sliding cavity part and a locking head part, and the locking head part is provided with an annular groove;

the magnet is arranged in the sliding cavity part, and the movable iron core is inserted into the sliding cavity part and extends out; the lock core rod is in sliding fit with the guide cavity of the electromagnetic piece, the electromagnet is fixed with the electromagnet cavity, and the locking head moves in the core rod cavity; the rod body part penetrates through the pressure spring to be in sliding fit with the radial guide hole; the lock core is matched with the lock shell in a rotating way, and the head of the marble is matched with the axial groove.

Preferably: the opening end of the lock shell is provided with a circular arc-shaped stopping groove,

the annular seat plate of the lock core is provided with a stop block which is in sliding fit with the arc stop groove.

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

the cross section of the axial groove is arc-shaped.

Preferably: the annular seat plate of the lock cylinder is provided with two connecting holes, and one end of each connecting hole is provided with a counter bore;

the output shaft comprises a square part and an external thread part;

the lock also comprises a control driving device, a hollow knob with an opening at one end, a lock tongue plate and a nut, wherein two fixed column seats are arranged in the knob, and the lock tongue plate is provided with a square hole;

the control driving device is arranged in the knob, the annular seat plate is embedded into the knob, the annular seat plate is supported by the fixed column seat, and the screw penetrates through the connecting hole to be 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.

Preferably, the following components: the knob is provided with an interface hole and an inserting hole;

the control driving device comprises a main board bracket, a main board, a fingerprint reading head and a USB interface which are arranged on the main board, a rechargeable battery and a main board cover,

the main board bracket is provided with a convex cavity with a front opening and at least two clamping grooves; the main board cover is provided with two clamping grooves;

fingerprint reading head and protruding chamber gomphosis, the mainboard is fixed with the mainboard support, and rechargeable battery establishes between mainboard and mainboard lid, the draw-in groove with fixed post seat gomphosis, protruding chamber are pegged graft with the spliced eye, USB interface and interface hole gomphosis.

The utility model relates to an electronic lock core, owing to adopt such structure, the structure has been simplified in the setting of electro-magnet, lock core bar, pressure spring and pellet shot from a slingshot, and the action relation is simple.

Drawings

Fig. 1 is a sectional view of the present invention.

Fig. 2 is a view a-a of fig. 1.

Fig. 3 is one of the exploded perspective views of the present invention.

Fig. 4 is a second exploded perspective view of the present invention.

Fig. 5 is a third exploded perspective view of the present invention.

Fig. 6 is a fourth exploded perspective view of the present invention.

Fig. 7 is a perspective view of the marble of the present invention.

Fig. 8 is a perspective view of the lock cylinder of the present invention.

Fig. 9 is a perspective view of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in figure 1, the electronic lock core comprises a lock shell 1, a lock liner 2, a pressure spring 3, a marble 4, an electromagnet 5, a movable iron core 6, a magnet 7 and a lock core rod 8 made of non-magnetic materials,

the lock shell 1 comprises a flange 1A arranged at the opening end and an axial groove 1B arranged on the inner wall,

the lock core 2 comprises an electromagnet cavity 21, a core rod cavity 22, a marble cavity 23, a radial guide hole 24, an annular seat plate 25 arranged at the opening end and an output shaft 26;

the marble 4 comprises a rod body part 41, a circular disc part 42 and a marble head part 43, the electromagnet 5 comprises a yoke, a coil, a bobbin and a fixed iron core, the bobbin comprises a pipe body and circular ring baffles arranged at two ends of the pipe body, and the electromagnet 5 is a known technology; the pipe body is a guide cavity of the scale in the utility model;

the latch lever 8 includes a sliding cavity portion 81 and a locking head portion 82, the locking head portion 82 being provided with an annular groove 821;

the magnet 7 is arranged in the sliding cavity part 81, the movable 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 movable iron core 6 and the lock pin rod 8 are fixed into a whole; the sliding cavity part 81 of the lock core rod 8 is in sliding fit with the guide cavity of the electromagnetic piece 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 41 passes through the pressure spring 3 and is in sliding fit with the radial guide hole 24; the lock core 2 is rotationally matched with the lock shell 1, and the marble head 43 is matched with the axial groove 1B;

fig. 2 shows the present invention, when the electromagnet 5 is powered off and in the locking state, the lock cylinder 2 cannot rotate relative to the lock case 1, and the rod body 41 of the marble 4 abuts against the locking head 82;

in the state shown in fig. 2, 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 movable iron core 6 and the lock cylinder rod 8 move rightwards, and the rod body 41 of the marble 4 is opposite to the annular groove 821, namely, the locking state is realized; at the moment, the lock cylinder 2 is rotated, the marble 4 moves in the radial direction, and the marble head 43 leaves the axial groove 1B;

when the lock cylinder 2 returns, the marble head 43 enters the axial groove 1B, the electromagnet 5 is powered off, the magnet 7 is magnetically attracted with the fixed iron core, and the magnet 7, the movable iron core 6 and the lock cylinder rod 8 move leftwards and are in a locked state.

As a further improvement of the utility model: the opening end of the lock shell 1 is provided with a circular arc-shaped stopping groove 1C,

the annular seat plate 25 of the lock core 2 is provided with a stop block 251, and the stop block 251 is in sliding fit with the circular arc stop groove 1C. The lock core 2 can rotate 90 degrees.

The marble head 43 is a spherical curved surface;

the section of the axial groove 1B is arc-shaped.

As the utility model discloses further improve: the annular seat plate 25 of the lock core 2 is provided with two connecting holes 252, one end of each connecting hole 252 is provided with a counter bore, and the two connecting holes 252 are on a diameter line;

the output shaft 26 includes a square portion 261 and an externally threaded portion 262;

the novel lock plate is characterized by further comprising a control driving device, a knob 9 with an opening at one hollow end, a lock plate 10 and a nut 11, wherein two fixed column seats 91 are arranged in the knob 9, and a square hole is formed in the lock plate 10;

the control driving device is arranged in the knob 9, the annular seat plate 25 is embedded in the knob 9, the annular seat plate 25 is supported by the fixed column seat 91, and a screw passes through the connecting hole 252 to be screwed with the fixed column seat 91; the square hole of the locking plate 10 is fitted to the square portion 261, and the nut 11 is screwed to the external thread portion 262. When the knob 9 is rotated, the lock core 2 rotates along with the knob 9.

As the utility model discloses further improve: the knob 9 is provided with an interface hole 92 and an inserting hole 93;

the control driving device comprises a main board bracket 121, a main board 122, a fingerprint reading head 123 and a USB interface 124 arranged on the main board, a rechargeable battery 125 and a main board cover 126,

the main board support 121 is provided with a convex cavity with an open front and two clamping grooves; two clamping grooves and connecting column seats are arranged on the main plate cover 126;

the fingerprint reading head 123 is embedded with the convex cavity, the main board 122 is fixed with the main board support 121, the rechargeable battery 15 is arranged between the main board 122 and the main board cover 126, the screw penetrates through the main board support 121 to be screwed with the connecting column base, the clamping groove is embedded with the fixed column base 91, the convex cavity is inserted with the inserting hole 93, and the USB interface 124 corresponds to the interface hole;

the fingerprint reading head 123 is touched by a finger, and the main board 122 carries out identification; when the fingerprint corresponds to the pre-stored fingerprint, the main board 122 supplies power to the electromagnet 5; the magnet 7, the movable iron core 6 and the lock core rod 8 move rightwards, the rod body part 41 of the marble 4 is opposite to the annular groove 821, then the knob 9 is rotated, the lock cylinder rotates along with the knob 9, the marble head part 43 of the marble 4 leaves the axial groove 1C, and the end part of the rod body part 41 enters the annular groove 821; the lock tongue plate 10 rotates along with the lock cylinder to realize unlocking, and the electromagnet 5 is powered off;

after the knob 9, the lock cylinder 2 and the tongue plate 10 return, the magnet 7 and the fixed iron core are attracted, the locking head 82 of the lock cylinder rod 9 is opposite to the rod body 41, and the rod body 41 avoids the annular groove 821. There may be a refrigerator lock or a drawer lock.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (5)

1. An electronic lock cylinder is characterized in that: it comprises a lock shell, a lock liner, a pressure spring, a marble, an electromagnet, a movable iron core, a magnet and a lock core rod made of non-magnetic materials,

the lock shell comprises a flange arranged at the opening end and an axial groove arranged on the inner wall,

the lock core comprises an electromagnet cavity, a core rod cavity, an elastic cavity, a radial guide hole, an annular seat plate arranged at the opening end and an output shaft, wherein the output shaft comprises a square part and an external thread part;

the marble comprises a rod body part, a circular disc part and a marble head part,

the lock core rod comprises a sliding cavity part and a locking head part, and the locking head part is provided with an annular groove;

the magnet is arranged in the sliding cavity part, and the movable iron core is inserted into the sliding cavity part and extends out; the lock core rod is in sliding fit with the guide cavity of the electromagnetic piece, the electromagnet is fixed with the electromagnet cavity, and the locking head moves in the core rod cavity; the rod body part penetrates through the pressure spring to be in sliding fit with the radial guide hole; the lock core is matched with the lock shell in a rotating way, and the head of the marble is matched with the axial groove.

2. An electronic lock cylinder according to claim 1, characterized in that: the open end of the lock shell is provided with a circular arc-shaped stopping groove,

the annular seat plate of the lock core is provided with a stop block which is in sliding fit with the arc stop groove.

3. An electronic lock cylinder according to claim 1, characterized in that: the head of the marble is a spherical curved surface;

the cross section of the axial groove is arc-shaped.

4. An electronic lock cylinder according to claim 1, 2 or 3, characterized in that: the annular seat plate of the lock core is provided with two connecting holes, and one end of each connecting hole is provided with a counter bore;

the output shaft comprises a square part and an external thread part;

also comprises a control driving device, a knob with an opening at one hollow end, a lock tongue plate and a nut,

two fixed column seats are arranged in the knob, and a square hole is arranged on the tongue locking plate;

the control driving device is arranged in the knob, the annular seat plate is embedded into the knob, the annular seat plate is supported by the fixed column seat, and the screw penetrates through the connecting hole to be 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.

5. An electronic lock cylinder according to claim 4, characterized in that: the knob is provided with an interface hole and an inserting hole;

the control driving device comprises a main board bracket, a main board, a fingerprint reading head and a USB interface which are arranged on the main board, a rechargeable battery and a main board cover,

the main board bracket is provided with a convex cavity with a front opening and at least two clamping grooves; the main board cover is provided with two clamping grooves;

fingerprint reading head and protruding chamber gomphosis, the mainboard is fixed with the mainboard support, and rechargeable battery establishes between mainboard and mainboard lid, the draw-in groove with fixed post seat gomphosis, protruding chamber are pegged graft with the spliced eye, USB interface and interface hole gomphosis.

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