CN214170223U - Electronic lock - Google Patents

Abstract

The application relates to an electronic lock, and belongs to the technical field of locks. Including the lock body, the lock body includes locking mechanical system, locking mechanical system include movable mounting in the lock body and have locking state and unblock state the locking piece, when locking state right the locking piece plays spacing locating part, drive the drive assembly and the elasticity of locating part motion reset the piece, the locking piece is provided with can bulge or retract the locking end in the base, elasticity reset set up in make between locking piece and the lock body the locking end of locking piece have all the time to the convex trend of lock body. When locking mechanical system was in the unblock state, locating part and locking piece looks butt, and the locking piece passes through the effect that elasticity reset the piece for the locking end of locking piece is all the time to the base protrusion, and the user's accessible rotates the locking piece and opens the electronic lock, resets through elasticity and makes the locking piece reset, reduces not hard up that the lock body produced.

Description

Electronic lock

Technical Field

The application relates to the technical field of locks, in particular to an electronic lock.

Background

Locks are widely used in homes and offices. In recent years, with the development of electronic technology, modern electronic technology is combined with mechanical technology, and a large number of advanced electronic locks such as sound control locks, magnetic control locks, coded locks, fingerprint locks and the like are generated.

The electronic lock is different from a traditional mechanical lock, realizes the opening and closing of the lock by using a non-mechanical key such as a password, a random code, a two-dimensional code, fingerprint identification, a magnetic card, a radio frequency card, a TM card and the like as a user identification ID, and is a lock which is more intelligent in the aspects of user identification, safety and manageability. Because of the characteristics of safety, convenience, technical advancement and the like, the novel storage cabinet is widely applied to various storage boxes and storage cabinets.

In the correlation technique, the electronic lock includes the lock body and locates the electro-magnet in the lock body, the electro-magnet includes magnetism portion of inhaling, the sticking department and locate the reset spring between magnetism portion of inhaling and the sticking department, the sticking department is located the tip of magnetism portion of inhaling and can be inhaled by magnetism portion of inhaling, under the ordinary condition, the sticking department is outside outstanding the lock body, the electronic lock is in the locking state this moment, when needs unblock, magnetism portion of inhaling circular telegram produces suction, inhale the locking department lock body power, reset spring is compressed this moment, when needs lock, magnetism portion of inhaling cuts off the power supply, magnetism portion of inhaling is suction again, the sticking department is outside the lock body under reset spring's effect.

In the related art of the electronic lock, when the electronic lock is in an unlocked state, the locking portion always tends to protrude out of the lock body through the return spring, but the return spring is easily loosened, so that the electronic lock is at risk of being opened.

SUMMERY OF THE UTILITY MODEL

In order to reduce the electronic lock to produce not hard uply, this application provides an electronic lock.

The application provides an electronic lock adopts following technical scheme:

the utility model provides an electronic lock, includes the lock body, the lock body includes the casing and locates locking mechanical system in the casing, locking mechanical system include movable mounting in just have locking state and unblock state's locking piece in the casing, right when the locking state the locking piece plays spacing locating part, drive the drive assembly and the elasticity that the locating part moved reset, the locking piece is provided with can bulge or retract the locking end in the casing, drive assembly's moving direction is mutually perpendicular with the moving direction of locating part, elasticity reset set up in make between locking piece and the lock body the locking end of locking piece have all the time to the convex trend of lock body.

By adopting the technical scheme, when the locking mechanism is in a locking state, the driving assembly drives the limiting part to move towards the locking block, and the limiting part is abutted against the locking block, so that the locking block cannot move, the locking end of the locking block protrudes out of the base all the time, and is abutted against other objects through the locking end, so that the electronic lock has a locking function, when the locking mechanism is in an unlocking state, the limiting part is not abutted against the locking block, the locking block is reset through the elasticity, so that the locking end of the locking block protrudes towards the base all the time, a user can open the electronic lock through rotating the locking block, because the moving direction of the driving assembly is perpendicular to the moving direction of the limiting part, when the limiting part plays a limiting role on the locking block, the limiting part is not easy to move, and further the electronic lock is not easy to loosen.

Preferably, the driving assembly includes an intermediate member for driving the limiting member to move and a power member for driving the intermediate member to move, and the intermediate member has a wedge surface abutting against the limiting member.

Through adopting above-mentioned technical scheme, power piece drive intermediate member removes, and wedge face and locating part looks butt through the intermediate member make the locating part remove towards the direction that is close to the locking piece, because the moving direction of power piece is mutually perpendicular with the moving direction of intermediate member for the transmission is comparatively stable, and the electronic lock rocks the influence of drive assembly and locating part less, and then improves the life of electronic lock.

Preferably, the elastic reset piece is a torsion spring, one end of the torsion spring is abutted to the shell, and the other end of the torsion spring is connected with the locking block.

Through adopting above-mentioned technical scheme, the both ends of torsional spring are connected with the locking piece respectively and with lock body looks butt for the locking piece has the trend to the base bulge all the time under the effect of torsional spring.

Preferably, the electronic lock further comprises a circuit board, the housing comprises a base and an installation cover plate covering one side of the base, the locking mechanism is installed between the base and the installation cover plate in a positioning mode, the base is further provided with an installation part, and the circuit board is installed on the installation part in a positioning mode so that the circuit board and the base are relatively fixed.

By adopting the technical scheme, the circuit board is positioned and mounted on the base, so that the circuit board is concentrated on the lock body, the occupied space of packaging in the transportation process is reduced, and after the circuit board is connected with the base, the relative movement of the circuit board and the base in the transportation process is reduced, and the electric wire between the circuit board and the panel as well as between the circuit board and the lock body is not easy to damage or separate; after the circuit board is connected with the base, when the subsequent lock body is installed, the step of connecting the circuit board with the lock body is omitted, and the electronic lock is installed more quickly.

Preferably, one side of the base facing the installation cover plate is provided with an installation cavity for installing the locking mechanism, and the installation part is arranged on one side of the base away from the installation cover plate.

Through adopting above-mentioned technical scheme, installation department and installation cavity are located the both sides of base respectively, make each part arrange compactly on the base, reduce the volume of electronic lock.

Preferably, the mounting part is provided with a protective cover plate covered outside the circuit board, and the protective cover plate is connected with the base.

Through adopting above-mentioned technical scheme, the protection cover plate is located the circuit board and keeps away from one side of base, and through the guard action of protection cover plate, it is safer on the base to make the circuit board, improves the life of circuit board.

Preferably, the protection cover plate with be provided with between the installation department and be used for spacingly the location structure of circuit board, location structure includes two at least pothooks, each the pothook all include with protection cover plate body coupling's connecting portion and connect in connecting portion keep away from the joint portion of protection cover plate one end, the circuit board spacing in joint portion with between the protection cover plate.

By adopting the technical scheme, the circuit board is limited and mounted on the lock body through the positioning structure, so that the circuit board is more stable and firm on the lock body; when the circuit board is installed, the circuit board is limited between the clamping part of the clamping hook and the protective cover plate, so that the circuit board is more stable on the protective cover plate; when the circuit board is connected, the circuit board is connected with the protective cover plate, and then the protective cover plate is connected with the base, so that the circuit board is more convenient to connect.

Preferably, the base with all be provided with at least three and respectively one-to-one mounting hole that is used for the screw to wear to establish on the installation apron, be provided with at least one connect the via hole on the protection apron, connect the via hole at least with one the mounting hole corresponds.

Through adopting above-mentioned technical scheme, the screw that the mounting hole wore to establish is used for being connected the electronic lock AND gate or wall body, and this screw is worn to locate in the connecting through hole equally, and when the electronic lock installation, protection cover board AND gate or wall body looks butt pass the connecting through hole with the screw this moment again, through electronic lock AND gate or wall body looks butt, it is more firm to make protection cover board and pedestal connection to make the circuit board more stable, firm in the lock body.

Preferably, the electronic lock still includes emergent lock, emergent lock is including locating lock core on the casing and the driving medium that promotes the middleware and reset, the lock core with the driving medium transmission is connected, and when the lock core rotated, the lock core drove the driving medium motion, and the driving medium promotes the middleware and removes to the one side of keeping away from the locating part.

Through adopting above-mentioned technical scheme, when having a power failure or the circuit trouble of electronic lock, the rotatory lock core of accessible, it removes to drive the driving medium through the lock core, the driving medium promotes the middleware and removes to the one side of keeping away from the locating part, make the middleware not with locating part looks butt, the locating part removes to the one side of keeping away from the locking block under the effect of gravity, make the locating part not with locking block looks butt, user's accessible rotates the locking block and opens the electronic lock, through the aforesaid operation, make the electronic lock have the operation method of another kind of unblock, still can use when making the circuit trouble of power failure or electronic lock.

Preferably, the driving medium includes rotation lug and transmission piece, it locates to rotate the lug cover the one end of lock core, the transmission piece is seted up and is supplied the rotation groove of rotation lug embedding, works as when the lock core is rotatory, it rotates along with the lock core is synchronous to rotate the lug, just it drives to rotate the lug the transmission piece removes, the transmission piece promotes the middleware is to keeping away from locating part one side and removing.

Through adopting above-mentioned technical scheme, when the lock core was rotatory, it rotates the lug along with the locking is synchronous to rotate, rotates lug and rotates groove cell wall butt, makes to rotate the lug and drive the drive block and remove, and the drive block promotes the middleware again and removes to the one side of keeping away from the locating part to make locating part not with middleware looks butt, the locating part removes to the one side of keeping away from the locking block under the effect of gravity, makes the locating part not with locking block looks butt, the rotatory locking block of user's accessible opens the electronic lock.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the circuit board is positioned and mounted on the base, so that the circuit board is concentrated on the lock body, the occupied space of packaging in the transportation process is reduced, and after the circuit board is connected with the base, the relative movement of the circuit board and the base in the transportation process is reduced, and the electric wires among the circuit board, the panel and the lock body are not easy to damage or separate; after the circuit board is connected with the base, when the subsequent lock body is installed, the step of connecting the circuit board with the lock body is omitted, so that the electronic lock is installed more quickly;

2. the circuit board is limited and mounted on the lock body through the positioning structure, so that the circuit board is more stable and firm on the lock body; when the circuit board is installed, the circuit board is limited between the clamping part of the clamping hook and the protective cover plate, so that the circuit board is more stable on the protective cover plate; when the circuit board is connected, the circuit board is connected with the protective cover plate, and then the protective cover plate is connected with the base, so that the circuit board is more convenient to connect;

3. the screw that the mounting hole wore to establish is used for being connected electronic lock AND gate or wall body, and this screw is worn to locate the connection through hole equally, and when the electronic lock installation, protection cover board AND gate or wall body looks butt pass the screw through the connection through hole this moment again, through electronic lock AND gate or wall body looks butt, make protection cover board and pedestal connection more firm to make the circuit board more stable, firm in the lock body.

Drawings

Fig. 1 is a schematic overall structure diagram of an electronic lock according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of another view angle of the overall structure of the electronic lock according to the embodiment of the present application.

Fig. 3 is an exploded view of the lock body and circuit board of the embodiment of the present application.

Fig. 4 is an exploded view of the base and the circuit board according to the embodiment of the present application.

Fig. 5 is a schematic structural diagram of a protective cover plate according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a circuit board embedded in a protective cover plate according to an embodiment of the present application.

Fig. 7 is a front view of a lock structure of an embodiment of the present application.

Fig. 8 is an exploded view of the base and locking structure of an embodiment of the present application.

Fig. 9 is a schematic view of the overall structure of the power element according to the embodiment of the present application.

Fig. 10 is a schematic structural diagram of the inside of the case according to the embodiment of the present application.

Fig. 11 is another view of the structure of the inside of the case according to the embodiment of the present application.

Fig. 12 is a schematic structural diagram of an emergency component according to an embodiment of the present application.

Fig. 13 is an exploded view of an emergency assembly according to an embodiment of the present application.

Description of reference numerals: 1. a lock body; 2. a circuit board; 3. a base; 31. a mounting cavity; 311. a rotating groove; 312. a limiting groove; 313. a drive chamber; 314. a spin column; 315. a fixed block; 316. a guide channel; 32. an installation part; 33. an emergency slot; 331. positioning blocks; 332. a guide strip; 34. mounting holes; 35. a strip hole; 4. installing a cover plate; 5. a locking mechanism; 51. a locking block; 511. a locking end; 52. a limiting member; 53. a drive assembly; 531. a middleware; 5311. a wedge-shaped surface; 5312. a blocking surface; 5313. a butt joint groove; 5314. a reset block; 532. a power member; 5321. a box body; 5322. a drive motor; 5323. rotating the rod; 5324. a sliding block; 5325. a spring; 5326. a rotation pin; 5327. a spring cavity; 5328. a pushing block; 54. an elastic reset member; 6. a protective cover plate; 61. a hook; 611. a connecting portion; 612. a clamping part; 613. a guide slope; 62. positioning a plate; 63. a connecting through hole; 7. an emergency component; 71. a lock cylinder; 72. a transmission member; 721. rotating the projection; 722. a transmission block; 7221. positioning a groove; 7222. a guide groove; 7223. a rotating tank; 7224. a reset surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses an electronic lock.

Referring to fig. 1, 2 and 3, the electronic lock includes a lock body 1 and a circuit board 2, the circuit board 2 integrates a plurality of electronic components, and the circuit board 2 is mounted on the lock body 1.

Referring to fig. 4, the lock body 1 includes a housing and a locking mechanism 5 disposed in the housing, the housing includes a base 3 and an installation cover plate 4, the base 3 is provided with an installation cavity 31 for installing the locking mechanism 5, the installation cover plate 4 covers the installation cavity 31, and the installation cover plate 4 is connected with the base 3 through a screw.

Referring to fig. 3, one side of base 3, which is far away from mounting cover plate 4, is provided with mounting portion 32, and circuit board 2 is fixed a position and is installed on mounting portion 32, and emergent groove 33 has been seted up at the same side that sets up mounting portion 32 to base 3, is provided with emergent subassembly 7 in emergent groove 33, and emergent subassembly 7 and circuit board 2 all set up with locking mechanical system 5 mutually back of the body, saves installation space.

Referring to fig. 5 and 6, the mounting portion 32 is provided with a protective cover 6 covering the circuit board 2, and the protective cover 6 is fixedly connected to the base 3 by screws. A positioning structure for limiting the movement of the circuit board 2 is provided between the protection cover 6 and the mounting portion 32, the positioning structure may be a screw for connecting the circuit board 2 with the base 3 or the protection cover 6, or a hook 61, and the embodiment takes the hook 61 as an example for description.

The positioning mechanism includes at least two hooks 61, the number of the hooks 61 can be set according to actual conditions, in this embodiment, three hooks 61 are provided, the hooks 61 can be disposed on the base 3, or can be disposed on the mounting cover plate 4, and the embodiment is described by the hooks 61 being disposed on the mounting cover plate 4.

The three hooks 61 act on the upper side, the left side and the lower side of the circuit board 2 respectively, and the circuit board 2 is more stable on the mounting cover plate 4 through the limitation of three directions. Each hook 61 includes a connecting portion 611 integrally connected with the protective cover 6 and a fastening portion 612 connected to an end of the connecting portion 611 far away from the protective cover 6, and a side of the fastening portion 612 far away from the connecting portion 611 has a guiding inclined surface 613.

The protruding locating plate 62 that is equipped with circuit board 2 looks butt of protection cover plate 6, the length that the protruding protection cover plate 6 of locating plate 62 is greater than the length that pothook 61 is outstanding protection cover plate 6, when circuit board 2 is connected with protection cover plate 6, circuit board 2 is earlier with locating plate 62 looks butt, again with circuit board 2 and pothook 61's direction inclined plane 613 looks butt, through the guide effect of direction inclined plane 613, circuit board 2 imbeds between joint portion 612 and the protection cover plate 6, and the connecting portion 611 and the joint portion 612 of three pothook 61 all with circuit board 2 looks butt, through the restriction of pothook 61, make circuit board 2 spacing installation on protection cover plate 6.

Referring to fig. 3, the base 3 and the mounting cover plate 4 are respectively provided with at least two mounting holes 34 corresponding to each other one by one, in this embodiment, three mounting holes 34 are provided, two of the mounting holes 34 are communicated with the mounting portion 32, the remaining one of the mounting holes 34 is communicated with the emergency groove 33, each mounting hole 34 is provided with a screw, and the screw is connected with a door or a wall, so that the electronic lock is fixed on the door or the wall.

Referring to fig. 7 and 8, the protective cover plate 6 is provided with at least one connecting through hole 63, in this embodiment, the connecting through holes 63 are provided in two numbers, the two connecting through holes 63 correspond to the two mounting holes 34 one by one, when the electronic lock is connected to a door or a wall, the protective cover plate 6 is attached to the door or the wall, screws in the mounting holes 34 penetrate through the connecting through holes 63 corresponding to the mounting holes 34, the protective cover plate 6 is connected to the base 3 more firmly through the screws, and the circuit board 2 is further stable on the base 3.

The locking mechanism 5 comprises a locking block 51 installed in the base 3, a limiting piece 52, a driving component 53 and an elastic resetting piece 54, the installation cavity 31 comprises a rotation groove 311, a limiting groove 312 and a driving cavity 313 which are communicated with each other, a rotation column 314 is rotatably connected to the bottom of the rotation groove 311, the locking block 51 is fixedly sleeved on the rotation column 314, the locking block 51 can rotate along with the rotation column 314 by taking the axis of the rotation column 314 as a rotation axis, the locking block 51 is provided with a locking end 511 which can protrude or retract into the base 3, the locking block 51 is provided with a locking state and an unlocking state, when in the locking state, the locking block 51 protrudes out of the base 3, and when in the unlocking state, the locking block 51 retracts into the base 3.

The limiting groove 312 is clamped with a fixing block 315, the fixing block 315 is provided with a guide channel 316, the guide channel 316 is communicated with the rotating groove 311, the limiting member 52 penetrates through the guide channel 316, the limiting member 52 can be block-shaped or column-shaped, and is set to be column-shaped in this embodiment, and one end of the limiting member 52 away from the limiting groove 312 is a cambered surface.

The driving assembly 53 includes an intermediate member 531 and a power member 532 for driving the intermediate member 531 to move, the intermediate member 531 is slidably connected in the driving cavity 313, a sliding direction of the intermediate member 531 is perpendicular to a moving direction of the limiting member 52, one end of the intermediate member 531 near the limiting member 52 has a wedge surface 5311 abutting against the limiting member 52, and the intermediate member 531 has a blocking surface 5312 abutting against the limiting member 52.

Referring to fig. 9, 10 and 11, the power component 532 may be a hydraulic cylinder or an electromagnet, and the power component 532 of this embodiment includes a box 5321, a driving motor 5322, a rotating rod 5323 connected to the driving motor 5322 through a gear set, a sliding block 5324 sleeved on the rotating rod 5323, and a spring 5325 sleeved on the rotating rod 5323, the box 5321 is fixedly connected to the driving cavity 313, the driving motor 5322, the rotating rod 5323, the sliding block 5324, and the spring 5325 are all disposed in the box 5321, an output shaft of the driving motor 5322 is in transmission connection with the rotating rod 5323, the rotating rod 5323 is radially and convexly provided with two rotating pins 5326, the two rotating pins 5326 are symmetrically disposed about an axis center of the rotating rod 5323, the sliding block 5324 is slidably connected to the box 5321, the sliding block 5324 is provided with a spring cavity 5327, the sliding block 5324 is convexly provided with a pushing block 5328, the pushing block 5328 is protruded outside the box 5321, the box 5321 is provided with a long groove, a spring 5325 is positioned within the spring cavity 5327 and a pivot pin 5326 projects radially from the spring 5325.

One side of the intermediate member 531 close to the driving member is provided with an abutting groove 5313, a pushing block 5328 of the power member 532 is embedded into the abutting groove 5313, and the pushing block 5328 pushes the intermediate member 531 to move in the driving groove when sliding on the box body 5321.

When the power part 532 is used, the driving motor 5322 is started, the driving motor 5322 drives the rotating rod 5323 to rotate, the rotating rod 5323 drives the two rotating pins 5326 to rotate, the rotating pins 5326 rotate along the axis of the rotating rod 5323 along with the rotating rod 5323 and then drive the spring 5325 to rotate along the length direction of the rotating rod 5323, and the spring 5325 abuts against the wall of the spring cavity 5327 after moving, so that the sliding block 5324 is driven to slide in the box body 5321, and the pushing block 5328 is driven to move in the long groove.

Elastic reset piece 54 is the torsional spring, and on the fixed column was located to the torsional spring cover, the one end and the slot wall looks butt of rotation groove 311 of torsional spring, the other end was connected with locking block 51, through elastic reset piece 54's effect, made locking block 51's locking end 511 have the convex trend to base 3 all the time.

Referring to fig. 12 and 13, the emergency component 7 includes a lock cylinder 71 penetrating the base 3 and a transmission member 72 for pushing the middle member 531 to reset, one end of the lock cylinder 71 has a key hole, and the end having the key hole protrudes from the mounting cover plate 4, so that a user can insert a key into the lock cylinder 71 and rotate the lock cylinder 71.

The transmission piece 72 comprises a rotation bump 721 and a transmission block 722, the rotation bump 721 is fixedly sleeved at one end of the lock cylinder 71 far away from the key hole, the transmission block 722 is connected in the emergency groove 33 in a sliding manner, a positioning block 331 is convexly arranged in the emergency groove 33, the transmission block 722 is provided with a long-strip-shaped positioning groove 7221, the length direction of the positioning groove 7221 is the same as the moving direction of the middle piece 531, and the positioning block 331 is embedded in the positioning groove 7221, so that the transmission block 722 can only move along the length direction of the positioning groove 7221. Two guide strips 332 which are parallel to each other are convexly arranged at the bottom of the emergency groove 33, the length direction of each guide strip 332 is the same as that of the positioning groove 7221, two guide grooves 7222 are formed in the side face, close to the emergency groove 33, of the transmission block 722, the two guide grooves 7222 are respectively located on two sides of the positioning groove 7221, when the transmission block 722 is installed on the base 3, the positioning block 331 is embedded into the positioning groove 7221, and the two guide strips 332 are respectively embedded into the two guide grooves 7222 one by one.

The transmission block 722 is provided with a rotary groove 7223, the projection is rotatably connected in the rotary groove 7223, and when the projection rotates, the rotary projection 721 is abutted against the groove wall of the rotary groove 7223, so that the transmission block 722 moves along the length direction of the positioning groove 7221.

The base 3 is provided with a strip hole 35, the intermediate member 531 is convexly provided with a reset block 5314, the reset block 5314 penetrates through the strip hole 35 and enters the emergency groove 33, the transmission block 722 is provided with a reset surface 7224 abutted against the reset block 5314, in a normal state, the transmission block 722 is positioned at one end far away from the reset block 5314, the reset surface 7224 is not abutted against the reset block 5314, when the emergency lock is used, the emergency lock is rotated, the rotated emergency lock drives the rotation lug 721 to rotate, the rotation lug 721 is abutted against the groove wall of the rotation groove 7223 so as to drive the transmission block 722 to move, after the transmission block 722 moves, the reset surface 7224 is abutted against the reset block 5314 so as to drive the reset block 5314 to move, so that the intermediate member 531 is driven to move, and the wedge-shaped surface 5311 of the intermediate member 531 is not abutted against the limiting member 52.

The implementation principle of an electronic lock in the embodiment of the application is as follows: when the electronic lock is in a locked state, the power member 532 drives the intermediate member 531 to move toward the limiting member 52, the wedge-shaped surface 5311 of the intermediate member 531 abuts against the arc surface of the limiting member 52, and the limiting member 52 moves toward a side close to the rotation groove 311, so that the limiting member 52 abuts against the locking block 51, and the locking block 51 is limited to rotate in the rotation groove 311.

When the electronic lock is in an unlocked state, the power member 532 drives the intermediate member 531 to move towards a side away from the limiting member 52, the wedge-shaped surface 5311 of the intermediate member 531 does not abut against the arc surface of the limiting member 52, the limiting member 52 moves towards a side away from the rotating groove 311, the limiting member 52 does not abut against the locking block 51, and the limiting block can rotate in the rotating groove 311.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. An electronic lock, characterized in that: comprises a lock body (1), the lock body (1) comprises a shell and a locking mechanism (5) arranged in the shell, the locking mechanism (5) comprises a locking block (51) which is movably arranged in the shell and has a locking state and an unlocking state, a limiting piece (52) which limits the locking block (51) in the locking state, a driving component (53) which drives the limiting piece (52) to move and an elastic resetting piece (54), the locking block (51) is provided with a locking end (511) which can protrude out of or retract into the housing, the moving direction of the driving component (53) is vertical to the moving direction of the limiting piece (52), the elastic reset piece (54) is arranged between the locking block (51) and the lock body (1) so that the locking end (511) of the locking block (51) always has a tendency of protruding towards the lock body (1).

2. An electronic lock as defined in claim 1, wherein: the driving assembly (53) comprises an intermediate part (531) and a power part (532), the intermediate part (531) drives the limiting part (52) to move, and the intermediate part (531) is provided with a wedge-shaped surface (5311) which is abutted to the limiting part (52).

3. An electronic lock as defined in claim 1, wherein: the elastic reset piece (54) is a torsion spring, one end of the torsion spring is abutted to the shell, and the other end of the torsion spring is connected with the locking block (51).

4. An electronic lock as defined in claim 1, wherein: the electronic lock further comprises a circuit board (2), the shell comprises a base (3) and an installation cover plate (4) covered on one side of the base (3), the locking mechanism (5) is installed between the base (3) and the installation cover plate (4) in a positioning mode, the base (3) is further provided with an installation portion (32), and the circuit board (2) is installed on the installation portion (32) in a positioning mode to enable the circuit board (2) and the base (3) to be fixed relatively.

5. An electronic lock as defined in claim 4, wherein: base (3) orientation one side of installation apron (4) is provided with and is used for the installation cavity (31) of locking mechanical system (5), installation department (32) set up in base (3) are kept away from one side of installation apron (4).

6. An electronic lock as defined in claim 4, wherein: the mounting portion (32) is provided with a protective cover plate (6) covered outside the circuit board (2), and the protective cover plate (6) is connected with the base (3).

7. An electronic lock as defined in claim 6, wherein: protection cover plate (6) with be provided with between installation department (32) and be used for spacingly the location structure of circuit board (2), location structure includes two at least pothooks (61), each pothook (61) all include with connecting portion (611) of protection cover plate (6) body coupling and connect in connecting portion (611) are kept away from joint portion (612) of protection cover plate (6) one end, circuit board (2) spacing in joint portion (612) with between protection cover plate (6).

8. An electronic lock as defined in claim 6, wherein: the base (3) with all be provided with at least three and respectively the one-to-one mounting hole (34) that are used for the screw to wear to establish on installation apron (4), be provided with at least one connect the via hole (63) on protection apron (6), connect the via hole (63) at least with one mounting hole (34) correspond.

9. An electronic lock as defined in claim 1, wherein: the electronic lock further comprises an emergency lock, the emergency lock comprises a lock cylinder (71) arranged on the shell and a transmission piece (72) for pushing the middle piece (531) to reset, the lock cylinder (71) is in transmission connection with the transmission piece (72), when the lock cylinder (71) rotates, the lock cylinder (71) drives the transmission piece (72) to move, and the transmission piece (72) pushes the middle piece (531) to move to one side far away from the limiting piece (52).

10. An electronic lock as defined in claim 9, wherein: the transmission piece (72) comprises a rotation lug (721) and a transmission block (722), the rotation lug (721) is sleeved at one end of the lock cylinder (71), the transmission block (722) is provided with a rotation groove (311) for embedding the rotation lug (721), when the lock cylinder (71) rotates, the rotation lug (721) synchronously rotates along with the lock cylinder (71), the rotation lug (721) drives the transmission block (722) to move, and the transmission block (722) pushes the middle piece (531) to move to one side far away from the limiting piece (52).

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