CN221096142U - Simple electric ball lock - Google Patents

Abstract

The utility model discloses a simple electric ball lock, comprising: the front fixing seat is rotatably provided with a front ball lock body; the rear fixing seat is rotatably provided with a rear ball lock body; the two ends of the connecting rod are respectively connected with the front ball lock body and the rear ball lock body; the first clutch piece only can slide along the axial direction of the connecting rod and is provided with a first clutch part protruding out of the front ball lock body; the second clutch piece is provided with a second clutch part matched with the first clutch part; the electric driving mechanism is used for driving the second clutch piece to be close to or far from the first clutch piece along the radial direction of the connecting rod so as to enable the second clutch part to be combined with or separated from the first clutch part; the mechanical lock core is arranged on the front ball lock body, and the output end of the mechanical lock core is connected with a driving piece which can drive the first clutch piece to slide to the dislocation of the first clutch part and the second clutch part. The electric ball lock integrates two functions of mechanical unlocking and electric unlocking with a simple structure, reduces the number of parts, improves the assembly convenience and improves the working reliability.

Description

Simple electric ball lock

Technical Field

The utility model relates to the technical field of locks, in particular to a simple electric ball lock.

Background

The ball lock is convenient to hold, so that a user can conveniently rotate to unlock the ball lock, and the ball lock is favored by the user. Currently, the ball lock on the market is generally unlocked by a key, and according to different use requirements, the prior art also shows the ball lock of the electric switch lock.

The electric clutch mechanism and the key unlocking mechanism are mutually independent, so that the whole structure of the ball lock is complex, parts are numerous, and the production and the assembly are inconvenient. And because the key unlocking mechanism and the electric clutch mechanism of the ball lock are arranged in the front ball lock body, the requirement on the dimensional accuracy of parts is higher, the assembly is not convenient, and the working reliability of the switch lock is affected.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electric ball lock which integrates two functions of mechanical unlocking and electric unlocking by a simple structure, reduces the number of parts, improves the assembly convenience and improves the working reliability.

According to an embodiment of the utility model, a simple electric ball lock comprises: the front fixing seat is rotatably provided with a front ball lock body; the rear fixing seat is rotatably provided with a rear ball lock body; the two ends of the connecting rod are respectively connected with the front ball lock body and the rear ball lock body; the first clutch piece is arranged on the front ball lock body in a sliding way only along the axial direction of the connecting rod and is provided with a first clutch part protruding out of the front ball lock body; the second clutch piece is movably arranged on the front fixing seat and is provided with a second clutch part matched with the first clutch part; the electric driving mechanism is arranged on the front fixing seat and used for driving the second clutch piece to be close to or far away from the first clutch piece along the radial direction of the connecting rod so as to enable the second clutch part to be combined with or separated from the first clutch part; the mechanical lock core is arranged on the front ball lock body, and the output end of the mechanical lock core is connected with a driving piece which can drive the first clutch piece to slide to the dislocation of the first clutch part and the second clutch part.

The simple electric ball lock provided by the embodiment of the utility model has at least the following beneficial effects:

When the electric ball lock with the structure is unlocked by using the mechanical lock core, the first clutch piece slides to enable the first clutch part and the second clutch part to be misplaced, the front ball lock body can rotate relative to the front fixing seat, and when the electric driving mechanism is used for unlocking, the second clutch piece is far away from the first clutch piece along the radial direction of the connecting rod so as to enable the second clutch part to be separated from the first clutch part; therefore, the mechanical unlocking and electric unlocking functions are integrated through the simple structure, the number of parts is reduced, the assembly convenience is improved, and the working reliability is improved.

In some embodiments of the present utility model, the front ball lock body includes a front sleeve rotatably disposed on the front fixing seat, a guide groove is disposed on a side wall of the front sleeve along a length direction of the front sleeve, the first clutch portion is a protrusion penetrating through the guide groove, the second clutch portion is a positioning groove matched with the protrusion, and the positioning groove has a first opening disposed along a radial direction of the front sleeve and a second opening disposed along a length direction of the front sleeve.

In some embodiments of the present utility model, the guide groove has a positioning end, and a first elastic member is disposed between the first clutch member and the front sleeve, and the first elastic member drives the protrusion to abut against the positioning end so as to face the first opening.

In some embodiments of the present utility model, the driving member is rotatably disposed in the front sleeve around the axial direction of the front sleeve, a first driving inclined plane is disposed at an end of the first clutch member, which is close to the driving member, the mechanical lock cylinder includes a lock sleeve and a core body rotatably disposed on the lock sleeve, and when the core body drives the driving member to rotate, the driving member moves on the first driving inclined plane to push the first clutch member to slide along a direction of compressing the first elastic member, so as to drive the protrusion to leave the positioning groove from the second opening.

In some embodiments of the present utility model, a first channel is disposed in the middle of the connecting rod along the length direction of the connecting rod, a strip piece capable of rotating relative to the first channel is movably disposed in the first channel, a yielding hole through which the strip piece passes is disposed in the middle of the first clutch piece, a transmission jack matched with the strip piece is disposed in the driving piece, one end of the strip piece is connected with a knob piece rotatably disposed on the rear ball lock body, and the other end of the strip piece is connected with the core body through the yielding hole and the transmission jack in sequence.

In some embodiments of the present utility model, the core is provided with a clearance groove matched with an end of the strip, and the strip can idle relative to the clearance groove when the knob member rotates a certain angle to enable the lug to be combined with or separated from the positioning groove.

In some embodiments of the present utility model, the second clutch member is slidably disposed on the front fixing seat along a radial direction of the connecting rod, the second clutch member is connected with a second elastic member for driving the positioning groove to be close to the bump, the electric driving mechanism includes an electric push rod and a driving block disposed at an output end of the electric push rod, the driving block has a second driving inclined plane abutting against the second clutch member, and when the driving block linearly reciprocates, the second clutch member moves along the second driving inclined plane to make the bump enter and exit the positioning groove from the first opening.

In some embodiments of the present utility model, the front fixing base includes a front fixing plate and a front cover body that can be spliced into a whole, and a front accommodating cavity for accommodating the second clutch member and the electric driving mechanism is enclosed between the front fixing plate and the front cover body.

In some embodiments of the present utility model, the second clutch member includes a sliding plate portion parallel to the front cover body and a bending plate portion connected to the sliding plate portion, a portion of the bending plate portion abuts against the second driving inclined plane, a sliding groove matched with the sliding plate portion is provided on an inner wall of the front cover body, a limiting plate for limiting the second clutch member to move away from the front cover body is mounted on the inner wall of the front cover body, and a supporting plate abutting against a lower end of the driving block is arranged in a direction of the limiting plate away from the front cover body in an extending manner.

In some embodiments of the present utility model, a fingerprint identification module and a password input module electrically connected to the electric driving mechanism are disposed above the front ball lock body.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a simple electric ball lock according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the embodiment of FIG. 1 with portions of the front anchor block, rear ball lock body and front ball lock body removed;

FIG. 3 is an exploded view of the structure of FIG. 2;

Fig. 4 is a schematic structural diagram of the mechanical lock cylinder, the driving member, the first clutch member, the second clutch member, the electric driving mechanism, the limiting plate and the strip in fig. 3.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, if any, the first, second, third, fourth, fifth, etc. are described for the purpose of distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 4, a simple electric ball lock according to an embodiment of the present utility model includes: a front fixing base 100, wherein the front fixing base 100 is rotatably provided with a front ball lock body 200; a rear fixing base 300, wherein the rear fixing base 300 is rotatably provided with a rear ball lock body 310; a connecting rod 400, two ends of which are respectively connected with the front ball lock body 200 and the rear ball lock body 310; a first clutch member 510 slidably provided only along an axial direction of the link 400 in the front ball lock body 200, the first clutch member 510 having a first clutch portion 511 protruding from the front ball lock body 200; the second clutch member 520 is movably disposed on the front fixing base 100, and the second clutch member 520 has a second clutch portion 521 that is matched with the first clutch portion 511; the electric driving mechanism 600 is disposed on the front fixing base 100, and is used for driving the second clutch member 520 to approach or depart from the first clutch member 510 along the radial direction of the connecting rod 400, so as to combine or separate the second clutch portion 521 with or from the first clutch portion 511; the mechanical lock cylinder 700 is disposed on the front ball lock body 200, and a driving member 701 capable of driving the first clutch member 510 to slide to a position where the first clutch portion 511 and the second clutch portion 521 are dislocated is connected to an output end of the mechanical lock cylinder 700.

When the electric ball lock with the above structure is unlocked by using the mechanical lock cylinder 700, the first clutch member 510 slides to enable the first clutch portion 511 to be dislocated with the second clutch portion 521, the front ball lock body 200 can rotate relative to the front fixing seat 100, and when the electric driving mechanism 600 is used for unlocking, the second clutch member 520 is far away from the first clutch member 510 along the radial direction of the connecting rod 400 to enable the second clutch portion 521 to be separated from the first clutch portion 511; therefore, the mechanical unlocking and electric unlocking functions are integrated through the simple structure, the number of parts is reduced, the assembly convenience is improved, and the working reliability is improved.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the front ball lock body 200 includes a front sleeve rotatably disposed on the front fixing base 100, a guide groove 210 is disposed on a side wall of the front sleeve along a length direction of the front sleeve, the first clutch portion 511 is a protrusion passing through the guide groove 210, the second clutch portion 521 is a positioning groove matched with the protrusion, and the positioning groove has a first opening disposed along a radial direction of the front sleeve and a second opening penetrating along the length direction of the front sleeve. The first clutch member 510 is slidably disposed along the length direction of the front sleeve, and in the sliding process of the first clutch member 510, the protruding block moves along the length direction of the guide slot 210, it can be understood that when the output end of the mechanical lock cylinder 700 drives the first clutch member 510 to slide reciprocally, the protruding block enters and exits the positioning groove from the second opening, and when the electric driving mechanism 600 drives the second clutch member 520 to approach or depart from the first clutch member 510, the protruding block enters and exits the positioning groove from the first opening. That is, the first clutch member 510 or the second clutch member 520 is driven to move to realize the connection and disconnection between the protruding block and the positioning groove, and two clutch assemblies are not required.

Referring to fig. 3, in some embodiments of the present utility model, the guide groove 210 has a positioning end 211, and a first elastic member 530 is disposed between the first clutch member 510 and the front sleeve, and the first elastic member 530 drives the protrusion against the positioning end 211 to face the first opening. Referring to fig. 2, under the driving action of the first elastic member 530 on the first clutch member 510, the protruding block moves to the positioning end 211 along the guiding slot 210, when the electric driving mechanism 600 is not in operation, the protruding block is in the positioning groove, and when the mechanical lock cylinder 700 is in operation, the protruding block is driven to move to be misplaced with the positioning groove by overcoming the action of the first elastic member 530, which does not need to reset the first clutch member 510 driven by the mechanical lock cylinder 700, and the operation mode is simple.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the driving member 701 is rotatably disposed within the front sleeve around the axial direction of the front sleeve, one end of the first clutch member 510 near the driving member 701 is provided with a first driving inclined surface 512, the mechanical lock cylinder 700 includes a lock sleeve 710 and a core 720 rotatably disposed on the lock sleeve 710, when the core 720 drives the driving member 701 to rotate, the driving member 701 moves on the first driving inclined surface 512 to push the first clutch member 510 to slide along a direction compressing the first elastic member 530, so as to drive the protrusion to leave the positioning groove from the second opening. It will be appreciated that when a user inserts an active key, the core 720 can rotate relative to the sleeve 710, thereby driving the driving member 701 to rotate, and a portion of the driving member 701 abuts against the first driving inclined surface 512 during rotation, thereby driving the first clutch member 510 to compress the first elastic member 530 to move so as to separate the protrusion and the positioning groove.

Referring to fig. 3 and 4, in some embodiments of the present utility model, a first channel is disposed in the middle of the connecting rod 400 along the length direction of the connecting rod, a strip 420 capable of rotating relative to the first channel is movably disposed in the first channel, a yielding hole 513 through which the strip 420 passes is disposed in the middle of the first clutch member 510, a transmission jack 702 matched with the strip 420 is disposed in the driving member 701, one end of the strip 420 is connected with a knob member 430 rotatably disposed on the rear ball lock body 310, and the other end of the strip 420 is connected with the core 720 through the yielding hole 513 and the transmission jack 702 in sequence. In this embodiment, two symmetrically distributed first driving inclined planes 512 are disposed on the first clutch member 510, the ends of the two first driving inclined planes 512 intersect to form a convex portion, third driving inclined planes 703 corresponding to the two first driving inclined planes 512 one by one are disposed on the driving member 701 respectively, the ends of the two third driving inclined planes 703 intersect to form a first positioning slot 704 matched with the convex portion, and the driving member 701 is further provided with a second positioning slot 705 offset from the first positioning slot 704 in angle; when the electric ball lock is in the mechanical unlocking state, the protruding part is located in the second positioning groove 705, the first clutch member 510 is pushed to a position where the protruding part is separated from the positioning groove, if a user in the door needs to perform back locking, the knob member 430 can drive the driving member 701 to rotate for a certain angle, at this time, the protruding part can leave the second positioning groove 705 and enter the first positioning groove 704, the first clutch member 510 is reset to a position where the protruding part is combined with the positioning groove under the action of the first elastic member 530, at this time, the mechanical lock cylinder 700 is used for unlocking, the core 720 drives the driving member 701 to rotate for a certain angle, the two third driving inclined planes are attached to the corresponding first driving inclined planes 512, and the protruding part is located in the first positioning groove 704, so that the work of back locking of the knob member 430 and unlocking of the mechanical lock cylinder 700 is achieved.

Referring to fig. 4, in some embodiments of the present utility model, in order to ensure that the knob member 430 does not rotate the core 720 to cause a locking phenomenon when rotating, so that both the knob member 430 and the mechanical lock cylinder 700 can be unlocked and locked, the core 720 is provided with a clearance groove 721 matching with an end of the strip 420, and when the knob member 430 rotates a certain angle to enable the protrusion to be combined with or separated from the positioning groove, the strip 420 can idle relative to the clearance groove 721, i.e. when the knob member 430 rotates a certain angle to realize the back locking, the core 720 needs to continue to rotate after idling by the same angle to realize the unlocking.

Referring to fig. 2 and 3, in some embodiments of the present utility model, the second clutch member 520 is slidably disposed on the front fixing base 100 along a radial direction of the connecting rod 400, the second clutch member 520 is connected with a second elastic member 800 for driving the positioning groove to approach the protrusion, the electric driving mechanism 600 includes an electric push rod 610 and a driving block 620 disposed at an output end of the electric push rod 610, the driving block 620 has a second driving inclined surface 621 abutting against the second clutch member 520, and the second clutch member 520 moves along the second driving inclined surface 621 to make the protrusion enter and exit the positioning groove from the first opening when the driving block 620 linearly reciprocates. It can be understood that the second clutch member 520 has a movement tendency to drive the positioning groove to approach the protrusion under the action of the second elastic member 800, the front ball lock body 200 cannot rotate relative to the front fixing seat 100 when the protrusion extends into the positioning groove along the first opening, and when the electric push rod 610 drives the driving block 620 to move, the second clutch member 520 moves along the second driving inclined surface 621 to generate a movement to drive the positioning groove to move away from the protrusion, i.e. the protrusion is completely separated from the positioning groove along the first opening, and the front ball lock body 200 can rotate relative to the front fixing seat 100. The electric drive mechanism 600 is very simple, convenient to manufacture and assemble, and low in cost.

In some embodiments of the present utility model, in order to avoid the second clutch member 520 and the electric driving mechanism 600 from being exposed and being interfered by external objects, and ensure the working reliability of the electric ball lock, the front fixing base 100 includes a front fixing plate 110 and a front cover 120 that can be spliced into a whole, and a front accommodating cavity for accommodating the second clutch member 520 and the electric driving mechanism 600 is enclosed between the front fixing plate 110 and the front cover 120.

Referring to fig. 2 to 4, in some embodiments of the present utility model, the second clutch member 520 includes a slide plate portion 522 parallel to the front cover 120 and a bending plate portion 523 connected to the slide plate portion 522, a portion of the bending plate portion 523 abuts against the second driving inclined surface 621, a sliding groove matched with the slide plate portion 522 is provided on an inner wall of the front cover 120, a limiting plate 810 limiting the movement of the second clutch member 520 away from the front cover 120 is mounted on the inner wall of the front cover 120, and a supporting plate 811 abutting against a lower end of the driving block 620 is extended from the limiting plate 810 in a direction away from the front cover 120. It should be noted that, the integrated metal structure of the slide plate portion 522 and the bent plate portion 523 is beneficial to simplifying the manufacturing process of the second clutch member 520, a gap for the slide plate portion 522 to reciprocate in the chute is formed between the limiting plate 810 and the inner wall of the front cover 120, and the supporting plate 811 of the limiting plate 810 also plays a role in translational guiding for the driving block 620, so that the limiting plate 810 has a dual-purpose effect. In this embodiment, the second elastic member 800 is a spring piece with a middle portion pivotally connected to the front cover 120, and one end of the spring piece abuts against the front cover 120, and the other end abuts against the bending plate portion 523 to drive the bending plate portion 523 to abut against the second driving inclined surface 621 in a direction approaching the first clutch member 510.

Referring to fig. 1, in some embodiments of the present utility model, in order to facilitate the user to control the electric driving mechanism 600 to operate, the front fixing base 100 is provided with a fingerprint identification module 910 and a password input module 920 electrically connected to the electric driving mechanism 600 above the front ball lock body 200.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. A simple electric ball lock, comprising:

The front fixing seat (100), the front fixing seat (100) is rotatably provided with a front ball lock body (200);

The rear fixing seat (300), the rear fixing seat (300) is rotatably provided with a rear ball lock body (310);

The two ends of the connecting rod (400) are respectively connected with the front ball lock body (200) and the rear ball lock body (310);

A first clutch member (510) slidably provided only in the axial direction of the link (400) in the front ball lock body (200), the first clutch member (510) having a first clutch portion (511) protruding from the front ball lock body (200);

The second clutch piece (520) is movably arranged on the front fixing seat (100), and the second clutch piece (520) is provided with a second clutch part (521) matched with the first clutch part (511);

the electric driving mechanism (600) is arranged on the front fixing seat (100) and is used for driving the second clutch piece (520) to be close to or far away from the first clutch piece (510) along the radial direction of the connecting rod (400) so as to enable the second clutch part (521) to be combined with or separated from the first clutch part (511);

The mechanical lock cylinder (700) is arranged on the front ball lock body (200), and the output end of the mechanical lock cylinder (700) is connected with a driving piece (701) which can drive the first clutch piece (510) to slide to the dislocation of the first clutch part (511) and the second clutch part (521).

2. The simple electric ball lock of claim 1, wherein:

The front ball lock body (200) comprises a front sleeve which is rotatably arranged on the front fixing seat (100), a guide groove (210) is formed in the side wall of the front sleeve along the length direction of the front sleeve, the first clutch part (511) is a protruding block which penetrates through the guide groove (210), the second clutch part (521) is a positioning groove matched with the protruding block, and the positioning groove is provided with a first opening which is arranged along the radial direction of the front sleeve and a second opening which is arranged along the length direction of the front sleeve in a penetrating mode.

3. The simple electric ball lock of claim 2, wherein:

The guide groove (210) is provided with a positioning end part (211), a first elastic piece (530) is arranged between the first clutch piece (510) and the front sleeve, and the first elastic piece (530) drives the protruding block to abut against the positioning end part (211) so as to be opposite to the first opening.

4. A simple electric ball lock as in claim 3 wherein:

The driving piece (701) is arranged in the front sleeve in an axial rotation mode around the front sleeve, a first driving inclined surface (512) is arranged at one end, close to the driving piece (701), of the first clutch piece (510), the mechanical lock cylinder (700) comprises a lock sleeve (710) and a core body (720) which is rotationally arranged on the lock sleeve (710), when the core body (720) drives the driving piece (701) to rotate, the driving piece (701) moves on the first driving inclined surface (512) to push the first clutch piece (510) to slide along the direction of compressing the first elastic piece (530), and then the protruding block is driven to leave the positioning groove from the second opening.

5. The simple and easy electronic ball lock of claim 4, wherein:

The middle part of connecting rod (400) runs through along its length direction and sets up first passageway, but first passageway internal activity wears to be equipped with relative its pivoted rectangular piece (420), the middle part of first separation and reunion piece (510) is equipped with supplies rectangular piece (420) are passed give way perforation (513), driving piece (701) be equipped with rectangular piece (420) assorted transmission jack (702), the one end of rectangular piece (420) is connected with rotates locates knob spare (430) on back ball lock body (310), the other end of rectangular piece (420) is passed through in proper order give way perforation (513) transmission jack (702) and with core (720) are linked.

6. The simple and easy electric ball lock of claim 5, wherein:

The core body (720) is provided with a clearance groove (721) matched with the end part of the strip piece (420), and when the knob piece (430) rotates a certain angle to enable the lug to be combined with or separated from the positioning groove, the strip piece (420) can idle relative to the clearance groove (721).

7. The simple electric ball lock of claim 2, wherein:

The second clutch piece (520) is arranged on the front fixing seat (100) in a sliding manner along the radial direction of the connecting rod (400), the second clutch piece (520) is connected with a second elastic piece (800) for driving the positioning groove to be close to the protruding block, the electric driving mechanism (600) comprises an electric push rod (610) and a driving block (620) arranged at the output end of the electric push rod (610), the driving block (620) is provided with a second driving inclined surface (621) propped against the second clutch piece (520), and when the driving block (620) moves in a straight reciprocating manner, the second clutch piece (520) moves along the second driving inclined surface (621) so that the protruding block enters and exits the positioning groove from the first opening.

8. The simple and easy electric ball lock of claim 7, wherein:

The front fixing seat (100) comprises a front fixing plate (110) and a front cover body (120) which can be spliced into a whole, and a front accommodating cavity for accommodating the second clutch piece (520) and the electric driving mechanism (600) is formed between the front fixing plate (110) and the front cover body (120).

9. The simple and easy electronic ball lock of claim 8, wherein:

The second clutch member (520) comprises a sliding plate part (522) parallel to the front cover body (120) and a bending plate part (523) connected with the sliding plate part (522), a part of the bending plate part (523) is propped against the second driving inclined plane (621), a sliding groove matched with the sliding plate part (522) is formed in the inner wall of the front cover body (120), a limiting plate (810) limiting the second clutch member (520) to move away from the front cover body (120) is mounted on the inner wall of the front cover body (120), and a supporting plate (811) propped against the lower end of the driving block (620) is arranged in the direction of the limiting plate (810) away from the front cover body (120).

10. The simple electric ball lock of claim 1, wherein:

The front fixing seat (100) is provided with a fingerprint identification module (910) and a password input module (920) which are electrically connected with the electric driving mechanism (600) above the front ball lock body (200).