CN211691897U - Mechanical lock unlocking failure mechanism of electronic lock and safe deposit box thereof - Google Patents

Abstract

The utility model discloses a mechanical lock unlocking failure mechanism of an electronic lock and a safe deposit box thereof, wherein, the mechanical lock unlocking failure mechanism comprises an electronic lock structure, a mechanical unlocking structure and a mechanical lock unlocking failure mechanism, and the electronic lock structure is used for electronic unlocking; the mechanical unlocking structure comprises a mechanical lock cylinder and an unlocking buckle, the unlocking buckle is arranged on the mechanical lock cylinder, and when the mechanical lock cylinder is rotated, mechanical unlocking can be realized; the mechanical lock unlocking failure mechanism comprises a knob, the knob is arranged to be a cylindrical knob, a stopping piece is arranged at one end of the knob, an operation structure is arranged at the other end of the knob, and the operation structure is operated to rotate the knob, so that the stopping piece is abutted to the unlocking buckle, and the unlocking function of the mechanical unlocking structure is made to fail. The utility model discloses a mechanical lock inefficacy mechanism that unblanks and safe box thereof, simple structure can cancel mechanical function of unblanking when the electronic function of unblanking is normal, improves the security performance of electronic lock.

Description

Mechanical lock unlocking failure mechanism of electronic lock and safe deposit box thereof

Technical Field

The utility model discloses a mechanical lock of electronic lock inefficacy mechanism that unblanks and safe box thereof belongs to the safe box field.

Background

Common electronic locks in the market at present are mostly used in the field of electronic door locks and are used for unlocking doors. However, the electronic door lock in the market at present has a relatively complex structure and high manufacturing cost, and the manufacturing cost of the safe deposit box is high due to the fact that the electronic door lock needs to be used on the safe deposit box, which is not beneficial to popularization and use.

Moreover, the electronic lock on the market is specially provided with a mechanical lock unlocking structure in order to avoid unlocking when the electronic lock fails, but the mechanical lock unlocking structure is correspondingly complex due to the complex electronic lock structure, and the electronic unlocking function and the mechanical unlocking function of the electronic lock usually exist at the same time, so that a user cannot cancel the mechanical unlocking function when the electronic unlocking function is normal, and the safety performance is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mechanical lock of electronic lock inefficacy mechanism that unblanks and safe box thereof, simple structure can cancel mechanical function of unblanking when the electronic function of unblanking is normal, improves the security performance of electronic lock.

One aspect of the present invention relates to a mechanical lock unlocking failure mechanism of an electronic lock, which includes an electronic lock structure, a mechanical unlocking structure and a mechanical lock unlocking failure mechanism, wherein the electronic lock structure is used for electronic unlocking; the mechanical unlocking structure comprises a mechanical lock cylinder and an unlocking buckle, the unlocking buckle is arranged on the mechanical lock cylinder, and when the mechanical lock cylinder is rotated, mechanical unlocking can be realized; the mechanical lock unlocking failure mechanism comprises a knob, the knob is arranged to be a cylindrical knob, a stopping piece is arranged at one end of the knob, an operation structure is arranged at the other end of the knob, and the operation structure is operated to rotate the knob, so that the stopping piece is abutted to the unlocking buckle, and the unlocking function of the mechanical unlocking structure is made to fail.

Further, the operating structure is a straight groove or a cross groove.

Further, the electronic lock structure comprises a lock tongue portion, a lock catch portion and a transmission structure, wherein the transmission structure is used for driving the lock tongue portion to enable the lock tongue portion to be in locked connection with the lock catch portion, or enable the lock tongue portion to be moved from a state of being in locked connection with the lock catch portion to an unlocking state.

Furthermore, the lock catch part comprises a snap ring and a buckle seat, the snap ring is arranged on one side of the buckle seat, a bayonet is arranged on the snap ring, and the bayonet is used for enabling the lock tongue part to extend into the bayonet.

Further, the spring bolt portion includes drive connecting portion, switching portion and clamping portion, switching portion connect in drive connecting portion with between the clamping portion, drive connecting portion be used for with transmission structure cooperation is connected, the clamping portion is in transmission structure drives down the direction of towards or keeping away from bayonet socket on the buckle moves, makes the tip immigration of clamping portion in the bayonet socket or follow shift out in the bayonet socket.

Furthermore, the electronic lock structure further comprises a mounting rack and a lock pin fixing piece, wherein the mounting rack and the lock pin fixing piece are arranged side by side; the mounting bracket is provided with a first mounting piece, the lock pin fixing piece is provided with a limiting groove and a second mounting piece located on one side of the limiting groove, the first mounting piece is provided with a first mounting groove, the second mounting piece is provided with a second mounting groove, one end of the drive connecting portion of the lock tongue portion is arranged in the first mounting groove, one end of the lock connecting portion of the lock tongue portion is arranged in the second mounting groove, and when the lock is locked, the lock tongue portion and the lock catch portion move towards the limiting groove.

Furthermore, the mechanical lock cylinder is rotatably arranged on the mounting frame, and the mechanical lock cylinder is positioned on one side of the adapter part.

Further, the transmission structure is set to be a gear transmission structure, the gear transmission structure comprises a driving motor, a driving gear and a driving rack, the driving gear is arranged on an output shaft of the driving motor, and the driving rack is arranged on one side of the driving gear and is in gear fit connection with the driving gear.

An aspect of the utility model relates to a safe deposit box, including upper cover subassembly, lower cover subassembly and electronic lock structure, mechanical unlocking structure and mechanical lock inefficacy mechanism that unblanks, the upper cover subassembly with lower cover subassembly one side is articulated to be connected, when upper cover subassembly and lower cover subassembly are rotatory around the articulated shaft, can be closed upper cover subassembly and lower cover subassembly or open, when upper cover subassembly and lower cover subassembly are closed, can with electronic lock structural locking, mechanical unlocking structure is used for mechanical unblock, mechanical lock inefficacy mechanism that unblanks is used for right mechanical unlocking structure's unblock function is inefficacy, mechanical lock inefficacy mechanism that unblanks adopts as above mechanical lock inefficacy mechanism that unblanks.

Further, the upper cover assembly comprises an upper cover body, the lower cover assembly comprises a lower cover body, the lock tongue portion and the transmission structure are arranged on the lower cover assembly, and the lock catch portion is arranged on the upper cover assembly relative to the lock tongue portion.

The utility model has the advantages as follows:

the utility model discloses a mechanical lock inefficacy mechanism that unblanks and safe box thereof, simple structure can cancel mechanical function of unblanking when the electronic function of unblanking is normal, improves the security performance of electronic lock.

Drawings

Fig. 1 is a plan view of a safe deposit box according to the present invention;

fig. 2 is a perspective view of the safe deposit box according to the present invention when opened;

fig. 3 is a partially enlarged view of the safe deposit box according to the present invention;

fig. 4 is a cross-sectional view of the fixing buckle structure of the present invention before buckling;

fig. 5 is a cross-sectional view of the fastening buckle structure of the present invention after being fastened;

fig. 6 is a perspective view of the transmission type electronic lock structure of the present invention;

fig. 7 is a perspective view of the locking part of the present invention;

fig. 8 is a front view of the latch tongue of the present invention;

fig. 9 is a structural view of the structural locking state of the transmission type electronic lock according to the present invention;

fig. 10 is a structural view of the transmission type electronic lock according to the present invention in an unlocking state;

fig. 11 is a structural view of the mechanical unlocking structure of the present invention;

fig. 12 is a structural view of the mechanical lock unlocking failure mechanism of the present invention;

fig. 13 is a perspective view of the knob according to the present invention;

fig. 14 is an installation view of the lower cover assembly and the transmission type electronic lock structure according to the present invention;

fig. 15 is a schematic view of the assembly of the lower cover assembly and the transmission-type electronic lock according to the present invention.

Names and designations of parts

1: a drive motor; 62: a retaining ring;

2: a drive gear; 63: a bayonet;

3: a mechanical lock cylinder; 71: a locking part;

4: unlocking the lock; 72: a drive connection portion;

5: a locking pin fixing piece; 73: a switching part;

6: a locking part; 74: a tooth structure;

7: a lock tongue portion; 75: a limiting part;

8: a mounting frame; 81: a first mounting piece;

9: a knob; 91: a stopping sheet;

10: a seal ring; 92: a straight slot;

11: a fixed buckle structure; 111: buckling the plate;

12: a lower cover body; 112: a fastening part;

13: an upper cover body; 113: a spring plate;

14: a strap handle; 121: fixing a column;

15: a steel wire rope handle; 131: a fastening groove;

51: a second mounting piece; 132: concave holes;

52: a limiting groove; 140: a limiting beam;

61: a buckle seat; 141: a center sill.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Examples

Referring to fig. 1-15, an embodiment of the present invention discloses a safe deposit box, which includes an upper cover assembly, a lower cover assembly, an electronic lock structure and a fixing buckle structure 11, wherein the upper cover assembly is hinged to one side of the lower cover assembly, and when the upper cover assembly and the lower cover assembly rotate around a hinge shaft, the upper cover assembly and the lower cover assembly can be closed or opened. The electronic lock structure is used for locking the upper cover assembly and the lower cover assembly in a closed state when the upper cover assembly and the lower cover assembly are closed, so that the upper cover assembly and the lower cover assembly are allowed to be opened only when the electronic lock structure is unlocked. The fixing fastener 11 is used to fasten the upper cover assembly and the lower cover assembly when the upper cover assembly and the lower cover assembly are closed, so that the upper cover assembly and the lower cover assembly are allowed to be opened only when the fixing fastener 11 is unfastened.

It can be understood that the electronic lock structure and the fixing buckle structure 11 independently realize the functions thereof, the electronic lock structure can be unlocked only when an operator has an unlocking key, and the fixing buckle structure 11 can be manually opened by any operator; moreover, the fixed buckle structure 11 can close and connect the upper cover assembly and the lower cover assembly more tightly, which is helpful for improving the sealing performance of the closed upper cover assembly and the closed lower cover assembly. Therefore, when the safe deposit box is provided with the electronic lock structure and the fixing buckle structure 11 at the same time, the electronic lock structure is used for preventing the upper cover assembly and the lower cover assembly from being opened by an unauthorized operator, and the fixing buckle structure 11 is used for increasing the sealing performance after the upper cover assembly and the lower cover assembly are closed.

Specifically, the electronic lock structure is a transmission-type electronic lock structure, and includes a latch portion 7 and a locking portion 6, and further includes a transmission structure, where the transmission structure is used to drive the latch portion 7, so that the latch portion 7 is connected with the locking portion 6 in a locking manner, or the latch portion 7 is moved from a state of being connected with the locking portion 6 in a locking manner to a state of unlocking.

The latch part 7 and the transmission structure are arranged on the lower cover assembly, and the locking part 6 is arranged on the upper cover assembly relative to the latch part 7, or the latch part 7 and the transmission structure can also be arranged on the upper cover assembly, and at this time, the locking part 6 is arranged on the lower cover assembly relative to the latch part 7. When the upper cover assembly and the lower cover assembly are closed, the transmission structure can drive the lock tongue portion 7 to move, so that the lock tongue portion 7 moves towards the lock catch portion 6 until the lock tongue portion 7 is in locking connection with the lock catch portion 6, the cover locking between the upper cover assembly and the lower cover assembly is completed, and the upper cover assembly and the lower cover assembly can be opened again only when the lock tongue portion 7 moves from the state of locking connection with the lock catch portion 6 to the state of unlocking.

The locking part 6 comprises a snap ring 62 and a buckle base 61, the snap ring 62 is arranged on one side of the buckle base 61, the buckle base 61 is used for fixing and installing the position and the connection structure of the locking part 6 during installation, a bayonet 63 is arranged on the snap ring 62, and the bayonet 63 is used for partially extending the locking part 7 into the bayonet 63, so that the locking part 7 is locked and connected with the locking part 6.

The locking tongue portion 7 comprises a driving connecting portion 72, an adapter portion 73 and a locking portion 71, wherein the adapter portion 73 is connected between the driving connecting portion 72 and the locking portion 71, so that the connecting portion, the adapter portion 73 and the locking portion 71 are connected into a whole. The driving connecting part 72 is used for being matched and connected with the transmission structure, so that the transmission structure can drive the lock tongue part 7 to move; the locking part 71 is driven by the transmission structure to move towards or away from the bayonet 63 on the snap ring 62, so that the end part of the locking part 71 moves into the bayonet 63 or moves out of the bayonet 63. When the end of the locking portion 71 is located in the bayonet 63, the latch portion 7 is locked with the locking portion 6, and when the end of the locking portion 71 is removed from the bayonet 63, the latch portion 7 is unlocked from the locking portion 6.

The transmission structure is a gear transmission structure, the gear transmission structure comprises a driving motor 1, a driving gear 2 and a driving rack, the driving gear 2 is arranged on an output shaft of the driving motor 1, the driving rack is arranged on one side of the driving gear 2 and is in gear fit connection with the driving gear 2, when the driving motor 1 works, the output shaft of the driving motor 1 drives the driving gear 2 to rotate, and therefore the driving gear 2 drives the driving rack to move horizontally; when the driving motor 1 rotates forwards, the driving rack is driven to move along one direction, and when the driving motor 1 rotates backwards, the driving rack is driven to move along the reverse direction. In this embodiment, the driving rack is fixedly connected to the driving connection portion 72, so as to drive the tongue-locking portion 7 to move. It will be appreciated that for simplicity, the drive rack may be integral with the drive connection 72, i.e., the tooth structure 74 may be provided on the drive connection 72.

In this embodiment, the fastening seat 61 is provided with more than one connecting hole, one side of the upper cover assembly, which faces the lower cover assembly, is provided with a threaded connecting hole, the fastening part 6 makes the connecting hole align with the threaded connecting hole in a manner that the fastening seat 61 is attached to the upper cover assembly, and then the fastening part 6 is fixed on the upper cover assembly by using screws.

The lock tongue portion 7 and the transmission structure are arranged on the lower cover assembly, the lock tongue portion further comprises a mounting frame 8 and a lock pin fixing piece 5, the mounting frame 8 is used for fixedly connecting the lock tongue portion 7 and the transmission structure with the lower cover assembly, and the lock pin fixing piece 5 is used for limiting the movement direction and position of the lock tongue portion 7 and the lock catch portion 6 when the lock tongue portion 7 and the lock catch portion 6 are locked. In this embodiment, the mounting bracket 8 is provided side by side with the latch fixing piece 5. Specifically, be equipped with on the mounting bracket 8 be used for with lower cover subassembly fixed connection's fixed orifices, the correspondence is equipped with the threaded connection hole on the lower cover subassembly, will through the bolt mounting bracket 8 fixed connection be in on the lower cover subassembly. Similarly, the locking pin fixing piece 5 is also fixed on the lower cover component in the same fixing mode. Be equipped with first installation piece 81 on the mounting bracket 8, be equipped with spacing groove 52 and the second installation piece 51 that is located spacing groove 52 one side on the lockpin stationary blade 5, be equipped with first mounting groove on the first installation piece 81, be equipped with the second mounting groove on the second installation piece 51, drive connecting portion 72 one end of locktongue portion 7 is located in the first mounting groove, the locking portion 71 one end of locktongue portion 7 is located in the second mounting groove, will through first mounting groove with the second mounting groove the spacing installation location of locktongue portion 7. The driving motor 1 is fixedly arranged on the mounting frame 8 and positioned on one side of the tooth structure 74 on the driving connecting part 72, so that the driving gear 2 is matched and connected with the tooth structure 74 on the driving connecting part 72. Under the driving action of the driving motor 1, the latch portion 7 can move back and forth in the first mounting groove and the second mounting groove. When the electronic lock structure is locked, the locking tongue portion 7 and the locking portion 6 both move towards the limiting groove 52, the retaining ring 62 of the locking portion 6 arranged on the upper cover assembly just extends to one side of the second mounting piece 51, the bayonet 63 on the retaining ring 62 aligns with the end of the locking portion 71, and when the end to which the locking tongue portion 7 moves is embedded in the bayonet 63, locking is completed.

Further, in order to avoid the amount of movement of the locking portion 71 in the process of extending into the bayonet 63 from exceeding the range, a limiting portion 75 is disposed on one side of the locking portion 71, the limiting portion 75 is disposed on one side of the second mounting piece 51, and when the locking portion 71 moves toward the second mounting piece 51, the limiting portion 75 can abut against the second mounting piece 51, so as to remind that the locking portion 71 is locked in place, and prevent the locking portion 71 from continuously moving toward the locking direction locking portion 71 after being locked in place, thereby causing damage to the lock body.

In addition, in order to avoid the unable unblock when driving motor 1 breaks down unable rotation, the electronic lock structure of this embodiment still is equipped with mechanical unlocking structure, mechanical unlocking structure accessible mechanical key unlocks. Specifically, mechanical unlocking structure includes mechanical lock core 3 and release 4, mechanical lock core 3 rotatably locates on the mounting bracket 8, just mechanical lock core 3 is located switching portion 73 one side, release 4 locates on the mechanical lock core 3, when rotatory when mechanical lock core 3, release 4 can butt to on the switching portion 73 and drive the direction removal of lock tongue portion 7 towards the unblock to realize the unblock.

The mechanical unlocking mechanism is characterized by further comprising a mechanical lock unlocking failure mechanism, when the mechanical lock unlocking failure mechanism acts on the mechanical unlocking structure, the unlocking function of the mechanical unlocking structure is failed, and the mechanical unlocking structure cannot be used for unlocking. Specifically, the mechanical lock unlocking failure mechanism comprises a knob 9, the knob 9 is a cylindrical knob 9, one end of the knob 9 is provided with a stop piece 91, and the other end of the knob 9 is provided with an operating structure, in the embodiment, the operating structure is a straight groove 92, and it is understood that in other embodiments, the operating structure may also be a cross groove or the like. The knob 9 is arranged right opposite to the mechanical lock cylinder 3, one end provided with a stop piece 91 is close to one end of the unlocking device 4, and the operation structure is operated to rotate the knob 9, so that the stop piece 91 can be abutted to the unlocking device 4 or moved away from the position abutted to the unlocking device 4; when the stopping sheet 91 abuts against the unlocking button 4, the mechanical lock cylinder 3 of the mechanical unlocking structure cannot drive the unlocking button 4 to rotate, so that the unlocking function of the mechanical unlocking structure is invalid.

In this embodiment, the upper cover assembly includes an upper cover 13, at least one concave hole 132 is formed along an edge of an inner side of the upper cover 13, and fixing fastening positions are formed on at least two opposite sides of an outer side of the upper cover 13. The lower cover assembly comprises a lower cover body 12, an installation cavity is arranged on the lower cover body 12 and used for installing the lock tongue portion 7, the transmission structure and the installation frame 8, an installation hole is formed in the installation cavity corresponding to the inner side of the mechanical lock cylinder 3, and the knob 9 is arranged in the installation hole; a fixing post 121 is disposed on the lower cover 12 corresponding to the concave hole 132, a fixing buckle is disposed on the lower cover 12 corresponding to the fixing buckle, when the upper cover assembly and the lower cover assembly are closed, the fixing buckle can be buckled on the fixing buckle, and the fixing buckle together form the fixing buckle structure 11. In addition, a sealing ring 10 may be disposed on the edge of the upper cover 13 or the lower cover 12 to increase the sealing performance when the upper cover assembly and the lower cover assembly are closed.

The fixed buckle position is set as a buckle groove 131, the fixed buckle comprises a buckle plate 111 and an elastic sheet 113, one end of the buckle plate 111 is provided with a buckle part 112, the shape of the buckle part 112 is matched with the buckle groove 131, the other end of the buckle plate 111 is hinged to one end of the elastic sheet 113, and the other end of the elastic sheet 113 is hinged to the side wall of the lower cover body 12. When the buckling part 112 is embedded into the buckling groove 131, the buckling plate 111 is pressed to buckle the fixed buckling structure 11; when the fixed buckle structure 11 needs to be loosened, only the buckle plate 111 needs to be pulled, so that the buckling part 112 is separated from the buckling groove 131.

In addition, in order to be convenient to carry, a portable handle is further arranged, the portable handle is used when a user carries the safe deposit box, and a structure connected with the portable handle is arranged on the safe deposit box, so that the portable handle is connected to the safe deposit box. The portable handle structure comprises a connecting structure arranged on the safe deposit box and a matching connecting structure arranged on the portable handle. Specifically, in this embodiment, the portable handle structure is a bolt-type portable handle structure, the bolt-type portable handle structure includes a first connecting portion disposed at one end of the handle and a second connecting portion disposed between the upper cover 13 and the lower cover 12, the first connecting portion includes a limiting beam 140, and the limiting beam 140 is fixedly connected to the handle, or the limiting beam 140 is connected to the handle through an intermediate beam 141; the second connecting portion is composed of the concave hole 132 formed in the inner side of the upper cover 13 and the fixing post 121 formed on the lower cover 12, and the limiting beam 140 is clamped on the inner side of the fixing post 121. When the upper cover 13 is closed with the lower cover 12, the handle or the middle beam 141 penetrates out of the safe deposit box. In some embodiments, the handle may be configured as a wire rope handle 15, and the position limiting beam 140 is directly and fixedly connected to the wire rope handle 15; in other embodiments, the handle may also be configured as strap handle 14, and in this case, stop beam 140 is connected to strap handle 14 by intermediate beam 141.

The safe deposit box locks the upper cover component and the lower cover component which are closed through the electronic lock structure so as to prevent the safe deposit box from being opened randomly; in addition, the safe deposit box can further fasten the upper cover component and the lower cover component through the fixed fastening structure 11 so as to increase the sealing performance after the upper cover component and the lower cover component are covered; this safe deposit box still is equipped with portable handle, and this handle realizes being connected with safe deposit box promptly when upper cover subassembly and lower cover subassembly lid, can take down the handle when upper cover subassembly and lower cover subassembly are opened, conveniently with the handle of trading the different grade type. In addition, the electronic lock structure of the utility model adopts the gear transmission mechanism to perform unlocking and locking operations, the reliability of the gear transmission mechanism is high, and the reliability of the electronic lock function is improved; when the electronic lock fails, the electronic lock can be unlocked through the mechanical unlocking structure, so that the problem that the electronic lock cannot be unlocked when the electronic lock fails is avoided; in addition, when the mechanical unlocking structure is not needed to be used for unlocking, the function of the mechanical unlocking structure can be disabled through the mechanical lock unlocking failure mechanism, and more selectivity is provided for a user.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. A mechanical lock unlocking failure mechanism of an electronic lock is characterized by comprising an electronic lock structure, a mechanical unlocking structure and a mechanical lock unlocking failure mechanism, wherein the electronic lock structure is used for electronic unlocking; the mechanical unlocking structure comprises a mechanical lock cylinder and an unlocking buckle, the unlocking buckle is arranged on the mechanical lock cylinder, and when the mechanical lock cylinder is rotated, mechanical unlocking can be realized; the mechanical lock unlocking failure mechanism comprises a knob, the knob is arranged to be a cylindrical knob, a stopping piece is arranged at one end of the knob, an operation structure is arranged at the other end of the knob, and the operation structure is operated to rotate the knob, so that the stopping piece is abutted to the unlocking buckle, and the unlocking function of the mechanical unlocking structure is made to fail.

2. A mechanical lock defeat mechanism for an electronic lock as claimed in claim 1, wherein said operating structure is provided as a straight slot or a cross slot.

3. The mechanical lock failure mechanism of an electronic lock according to claim 1 or 2, wherein the electronic lock structure comprises a latch portion, a locking portion, and a transmission structure for driving the latch portion to be in locking connection with the locking portion or to be moved from the state of being in locking connection with the locking portion to the state of being unlocked.

4. The mechanical lock defeat mechanism of an electronic lock as claimed in claim 3, wherein said locking portion comprises a snap ring and a snap seat, said snap ring being disposed on one side of said snap seat, said snap ring having a bayonet for said bolt portion to extend into the bayonet.

5. The mechanical lock unlocking failure mechanism of the electronic lock according to claim 4, wherein the lock tongue portion comprises a driving connection portion, an adapter portion and a locking portion, the adapter portion is connected between the driving connection portion and the locking portion, the driving connection portion is used for being connected with the transmission structure in a matching mode, and the locking portion moves towards or away from the bayonet on the retaining ring under the driving of the transmission structure, so that the end portion of the locking portion moves into or out of the bayonet.

6. The mechanical lock unlock failure mechanism of an electronic lock of claim 5 wherein said electronic lock structure further comprises a mounting bracket and a lock pin securing tab, said mounting bracket being juxtaposed with said lock pin securing tab; the mounting bracket is provided with a first mounting piece, the lock pin fixing piece is provided with a limiting groove and a second mounting piece located on one side of the limiting groove, the first mounting piece is provided with a first mounting groove, the second mounting piece is provided with a second mounting groove, one end of the drive connecting portion of the lock tongue portion is arranged in the first mounting groove, one end of the lock connecting portion of the lock tongue portion is arranged in the second mounting groove, and when the lock is locked, the lock tongue portion and the lock catch portion move towards the limiting groove.

7. The mechanical lock defeat mechanism for an electronic lock as claimed in claim 6, wherein said mechanical key cylinder is rotatably mounted on said mounting bracket and said mechanical key cylinder is located on a side of said adaptor portion.

8. A mechanical lock unlocking failure mechanism of an electronic lock according to claim 3, wherein the transmission structure is a gear transmission structure, the gear transmission structure comprises a driving motor, a driving gear and a driving rack, the driving gear is arranged on an output shaft of the driving motor, and the driving rack is arranged on one side of the driving gear and is in fit connection with the driving gear.

9. A safe deposit box, comprising an upper cover component, a lower cover component and an electronic lock structure, a mechanical unlocking structure and a mechanical lock unlocking failure mechanism, wherein the upper cover component is hinged with one side of the lower cover component, when the upper cover component and the lower cover component rotate around a hinge shaft, the upper cover component and the lower cover component can be closed or opened, when the upper cover component and the lower cover component are closed, the electronic lock structure can be locked, the mechanical unlocking structure is used for mechanical unlocking, and the mechanical lock unlocking failure mechanism is used for disabling the unlocking function of the mechanical unlocking structure, and is characterized in that the mechanical lock unlocking failure mechanism adopts the mechanical lock unlocking failure mechanism as claimed in any one of claims 1 to 8.

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