CN111255298A

CN111255298A - Double-lock linkage lock body with anti-damage function

Info

Publication number: CN111255298A
Application number: CN202010198246.XA
Authority: CN
Inventors: 李红兵; 杨会芳
Original assignee: Sichuan Boyuan Technology Co ltd
Current assignee: Sichuan Boyuan Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-06-09

Abstract

The invention discloses a double-lock linkage lock body with a damage-proof function, which comprises a lock seat and a lock cavity, wherein the lock cavity is positioned at one side of the lock seat, an electronic lock groove and a damage-proof lock groove are arranged in the lock cavity, the lock seat comprises a bottom plate and an upper cover fixed on the bottom plate, the upper cover and the bottom plate form an inner cavity, a mechanical lock fixing seat, a sliding base and a frame are arranged in the inner cavity, the frame and the mechanical lock fixing seat are fixed on the bottom plate, the sliding base is arranged on the frame in a sliding manner, a mechanical lock is fixed on the mechanical lock fixing seat, an electronic lock is fixed at one end of the sliding base, the other end of the sliding base is fixed with a mechanical lock tongue on the mechanical lock, a damage-proof mechanism is arranged on the frame, when the electronic lock fails, the mechanical lock tongue drives the electronic lock to move, a standby lock tongue is separated from the electronic lock groove, unlocking is realized, and when, realize that the lock is dead, the effectual violence of having avoided the lock body is unblanked.

Description

Double-lock linkage lock body with anti-damage function

Technical Field

The invention relates to the field of mechanical locks, in particular to a double-lock linkage lock body with a damage prevention function.

Background

The lockset is an appliance which plays a role in opening and locking a door and comprises a lock, a key and accessories thereof. With the development and improvement of the lock core technology, the invention of the anti-theft lock makes it more and more difficult for a thief to directly open the door lock through a master key. The anti-theft locks on the market are generally classified into mechanical anti-theft locks and electronic (mainly fingerprint and card swiping) anti-theft locks. The electronic anti-theft lock is simple and quick to unlock due to attractive appearance, and is used by more and more people, but the phenomenon generated after the existing electronic lock is magnetized is as follows: when the lock is started, no force is applied, the lock tongue can not move after extending half, and the lock tongue can not retract when the lock is unlocked; secondly, the current is large, the temperature is high, the magnetic susceptibility is high, and the service life is shortened; finally, when the electronic lock is damaged by the outside, the circuit is easy to damage, the electronic lock cannot work and cannot be normally opened due to the above reasons, so that the lock body is locked, and the door can be opened after the electronic lock is usually repaired by looking for a person, which wastes time and labor;

when the master key can not be used for opening the door, a thief generally uses a tool for violent destruction, but in the prior art, a destruction-preventing mechanism is not provided, so that the electronic lock fails to open the door after the existing electronic lock is destroyed, and more seriously, the electronic lock is completely destroyed to cause property loss.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a double-lock linkage lock body with an anti-damage function, aims to overcome the defects of the prior art, can open the lock body by using a mechanical lock when an electronic lock fails, and simultaneously has an anti-damage mechanism, so that the protection function of the lock body is greatly improved.

The purpose of the invention is realized by the following technical scheme: a double-lock linkage lock body with a damage prevention function comprises a lock seat and a lock cavity, wherein the lock cavity is positioned on one side of the lock seat, an electronic lock groove and a damage prevention lock groove are arranged in the lock cavity, the lock seat comprises a bottom plate and an upper cover, the upper cover is fixed on the bottom plate, an inner cavity is formed by the upper cover and the bottom plate, a mechanical lock fixing seat, a sliding base and a frame are arranged in the inner cavity, the frame and the mechanical lock fixing seat are fixed on the bottom plate, the sliding base is arranged on the frame in a sliding mode, a mechanical lock is fixed on the mechanical lock fixing seat, an electronic lock is fixed at one end of the sliding base, the other end of the sliding base is fixed with a mechanical lock tongue on the mechanical lock, and a damage prevention mechanism is arranged on the frame;

the utility model discloses a mechanical lock, including the fixed plate of fixed plate, the one end of spring, the other end and one side of fixed plate is connected, be fixed with the cardboard on the fixed plate of fixed plate, the middle part of rotatory card articulates on the frame, be fixed with on the mechanical lock fixed seat the fixed plate of fixed plate, the cardboard with the damage prevention card is located respectively the both ends on rotatory card upper portion, and all with rotatory card contacts, the damage prevention locked groove sets up on the route of launching of damage prevention bolt, the cardboard with the damage prevention card restricts jointly when rotatory card rotates, the spring is in tensile state.

Further, the electronic lock includes electromagnetic lock casing, reserve lock and electromagnetic lock a, central point in the electromagnetic lock casing puts and is fixed with reserve lock, the internal longitudinal symmetry of electromagnetic lock is fixed with the baffle, two all be provided with electromagnetic lock a on the baffle, one side of electromagnetic lock a is provided with electromagnet a, electromagnetic lock an is kept away from the one end of electromagnetic lock casing is fixed with electromagnet c, the electronic lock groove with the one end longitudinal symmetry that the electronic lock contacted is provided with electromagnet b, under the on-state, electromagnet a with electromagnet b electromagnetic actuation.

Further, electromagnetic lock a includes leading truck b, spring b and lock body, leading truck b fixes on the baffle, the lock body slidable sets up in the leading truck b, spring b's both ends respectively with electromagnetic lock casing and lock body link firmly, the lock body passes the baffle, the lock body is close to one side in electron locked groove is provided with electromagnet a, the lock body is kept away from spring b's one end is fixed with electromagnet c.

Further, the spare lock comprises a guide frame a, a spring a and a spare lock tongue, the guide frame a is fixed in the electromagnetic lock shell, the spare lock tongue is slidably arranged in the guide frame a, two ends of the spring a are fixedly connected with the electromagnetic lock shell and the spare lock tongue respectively, and when the spare lock tongue is matched with the electronic lock groove, the spring a is in a normal state.

Further, mechanical lock still includes spring c and mechanical lock body, it runs through to be equipped with in the mechanical lock body the guide way of mechanical lock body one end, mechanical spring bolt slidable sets up in the guide way, spring c sets up in the guide way, its one end with the guide way bottom is fixed, the other end with the one end of mechanical spring bolt is fixed.

Furthermore, a lock cylinder is rotatably arranged on the mechanical lock, a lock hole is formed in the position, corresponding to the lock cylinder, of the upper cover, and the lock cylinder is used for unlocking the mechanical lock.

Furthermore, the lock core comprises a lock core seat, a lock column and a gear, the lock core seat is rotatably arranged on the mechanical lock body, one end of the lock core seat is provided with a lock groove, the other end of the lock core seat is fixed with the lock column, the gear is fixed on the lock column, the mechanical lock tongue is provided with hobbing, and the hobbing is meshed with the gear.

Further, be fixed with spacing post on the limiting plate, spacing post with prevent destroying bolt parallel arrangement, spacing post is the cavity structure, the spout with the cavity intercommunication is seted up to one side of spacing post, the spring sets up in the cavity of spacing post, one side of preventing destroying the bolt is fixed with the gleitbretter, the gleitbretter with spout sliding connection, the both ends of spring respectively with gleitbretter and limiting plate are fixed.

The invention has the beneficial effects that:

1. a double-lock linkage lock body with a damage-proof function comprises a lock seat and a lock cavity, wherein the lock cavity is positioned at one side of the lock seat, an electronic lock groove and a damage-proof lock groove are arranged in the lock cavity, the lock seat comprises a bottom plate and an upper cover, the upper cover is fixed on the bottom plate, the upper cover and the bottom plate form an inner cavity, a mechanical lock fixing seat, a sliding base and a frame are arranged in the inner cavity, the frame and the mechanical lock fixing seat are fixed on the bottom plate, the sliding base is arranged on the frame in a sliding manner, a mechanical lock is fixed on the mechanical lock fixing seat, an electronic lock is fixed at one end of the sliding base, the other end of the sliding base is fixed with a mechanical lock tongue on, when the electronic lock is invalid, the standby lock can be locked, the mechanical lock tongue drives the electronic lock to move by rotating the mechanical lock tongue on the mechanical lock, so that the standby lock tongue is separated from the electronic lock groove, unlocking is realized, and the problem that the electronic lock cannot be opened due to invalid electronic lock is effectively avoided.

2. The utility model provides a double-lock linkage lock body with anti-destruction function, still be provided with anti-destruction mechanism, anti-destruction mechanism includes the anti-destruction bolt, a spring, rotatory card and anti-destruction card, when the lock body suffers destruction, the anti-destruction card is destroyed, lead to the anti-destruction card to lose the limiting displacement of rotation card, under the effect of spring, the cardboard pushes down rotatory card, rotatory card rotates, make the anti-destruction bolt launch into the anti-destruction locked groove, realize the lock die, the effectual violence of having avoided the lock body unblanks and destroys.

3. The reserve lock has the function that prevents slight destruction, is destroyed the back that became invalid when the electro-magnet, and reserve lock work is realized realizing locking, and reserve lock belongs to mechanical locking, needs violence just can damage, and at this moment, the vandalism person need open the door then need increase the destruction dynamics, then can trigger the work of anti-damage mechanism, makes the anti-damage bolt locking at the anti-damage locked inslot to realize dual locking, great reinforcing the anti-damage function of lock.

Drawings

FIG. 1 is a schematic view of the overall structure of a double-lock linkage lock body with an anti-damage function according to the present invention;

FIG. 2 is a schematic view of a lock cavity structure of a double-lock linkage lock body with an anti-damage function according to the present invention;

FIG. 3 is a schematic view of a lock seat structure of a double-lock linkage lock body with an anti-damage function according to the present invention;

FIG. 4 is a cross-sectional view taken along line D-D of FIG. 3;

FIG. 5 is a schematic view of the electronic lock and the electronic lock slot in the double-lock linkage lock body with anti-damage function according to the present invention;

FIG. 6 is a schematic view of a spare lock of the double-lock linkage lock body with an anti-damage function according to the present invention;

FIG. 7 is a schematic view of a mechanical lock of a double-lock linkage lock body with an anti-damage function according to the present invention;

FIG. 8 is a schematic view of a lock core structure of a double-lock linkage lock body with an anti-damage function according to the present invention;

FIG. 9 is a perspective view of a position-limiting post in a double-lock-linkage lock body with an anti-tamper function according to the present invention;

in the figure, 1-lock seat, 2-lock cavity, 3-bottom plate, 4-upper cover, 5-mechanical lock seat, 6-sliding base, 7-frame, 8-electronic lock, 9-mechanical lock, 10-mechanical lock tongue, 11-electronic lock groove, 12-anti-damage lock groove, 14-anti-damage bolt, 15-spring, 16-rotation card, 17-anti-damage card, 18-limiting plate, 19-clamping plate, 20-limiting column, 21-sliding plate, 40-guide frame a, 41-spring a, 42-standby lock tongue, 43-electromagnet c, 81-electromagnetic lock shell, 82-standby lock, 83-electromagnetic lock a, 84-partition plate, 85-electromagnet a, 86-electromagnet b, 88-guide frame b, 89-spring b, 90-lock body, 91-spring c, 92-guide groove, 93-lock core, 94-lock hole, 95-lock core seat, 96-lock column, 97-gear and 98-hobbing.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

As shown in fig. 1 to 9, a double-lock linkage lock body with a destructive prevention function includes a lock base 1 and a lock cavity 2, the lock cavity 2 is located at one side of the lock base 1, an electronic lock groove 11 and a destructive prevention lock groove 12 are arranged in the lock cavity 2, the lock base 1 includes a bottom plate 3 and an upper cover 4, the upper cover 4 is fixed on the bottom plate 3, the upper cover 4 and the bottom plate 3 form an inner cavity, a mechanical lock fixing base 5, a sliding base 6 and a frame 7 are arranged in the inner cavity, the frame 7 and the mechanical lock fixing base 5 are both fixed on the bottom plate 3, the sliding base 6 is slidably arranged on the frame 7, a mechanical lock 9 is fixed on the mechanical lock fixing base 5, an electronic lock 8 is fixed at one end of the sliding base 6, the other end of the sliding base 6 is fixed with a mechanical lock tongue 10 on the mechanical lock 9, and a destructive prevention mechanism is;

as shown in fig. 5 and 6, the electronic lock 8 includes an electromagnetic lock housing 81, a spare lock 82 and an electromagnetic lock a83, the spare lock 82 is fixed at the central position in the electromagnetic lock housing 81, partition plates 84 are symmetrically fixed in the electromagnetic lock housing 81 from top to bottom, the electromagnetic lock a83 is arranged on each of the two partition plates 84, an electromagnet a85 is arranged on one side of the electromagnetic lock a83, an electromagnet c43 is fixed at one end of the electromagnetic lock a83 away from the electromagnetic lock housing 81, and electromagnets b86 are symmetrically arranged at one end of the electronic lock slot 11 contacting with the electronic lock 8 from top to bottom, and in the energized state, the electromagnet a83 and the electromagnet b86 are electromagnetically attracted;

electromagnetic lock a83 includes guide frame b88, spring b89 and lock body 90, guide frame b88 is fixed on partition 84, lock body 90 is slidably disposed in guide frame b88, both ends of spring b89 are fixedly connected with electromagnetic lock housing 81 and lock body 90 respectively, lock body 90 passes through partition 84, electromagnet a83 is disposed on one side of lock body 90 close to electronic lock slot 11, and electromagnet c43 is fixed on one end of lock body 90 far from spring b 89;

the standby lock 82 comprises a guide frame a40, a spring a41 and a standby bolt 42, the guide frame a40 is fixed in the electromagnetic lock housing 81, the standby bolt 42 is slidably arranged in the guide frame a40, two ends of the spring a41 are fixedly connected with the electromagnetic lock housing 81 and the bolt 42 respectively, and the standby bolt 42 is matched with the electronic lock slot 11 when the spring a41 is in a normal state.

The working process of the electronic lock 8 is as follows: the specific working process of the device is as follows: in the power-on state: the electromagnet a85, the electromagnet b86 and the electromagnet c43 work, the electromagnet a85 and the electromagnet b86 are electromagnetically attracted to lock the electronic lock 8 on the electronic lock groove 11, the two upper and lower electromagnets c43 are electromagnetically attracted to limit the spare lock 82 in the electromagnetic lock shell 81, at the moment, the spring a41 is in a compression state, when the spare lock is in a power-off state, the two electromagnets c43 are separated, meanwhile, the electromagnet a85 and the electromagnet b86 are separated, and due to the fact that under the action of the spring b89, the two lock bodies 90 retract, the lock tongue 42 in the spare lock 82 pops out to be matched with the electronic lock groove 11, and locking is completed. When power failure or electronic lock 8 became invalid, spare lock 82 worked, avoided the door to open automatically, used mechanical lock 9 to unblank electronic lock 8 this moment, mechanical spring bolt 10 is fixed with sliding bottom 6, and when opening mechanical lock 9, mechanical spring bolt 10 drove sliding bottom 6 and kept away from electronic lock groove 11 motion to make spare spring bolt 42 on the electronic lock 8 separate with electronic lock groove 11, realize unblanking, avoided electronic lock 8 to become invalid, the condition that can not unblank.

As shown in fig. 4, the anti-damage mechanism includes an anti-damage latch 14, a spring 15, a rotation locking piece 16 and an anti-damage locking piece 17, a limiting plate 18 is fixed on the frame 7, the anti-damage latch 14 movably passes through the limiting plate 18, one end of the spring 15 is connected with the limiting plate 18, the other end is connected with one side of the anti-damage latch 14, a locking plate 19 is fixed on the anti-damage latch 14, the middle of the rotation locking piece 16 is hinged on the frame 7, the anti-damage locking piece 17 is fixed on the mechanical lock fixing seat 5, the locking plate 19 and the anti-damage locking piece 17 are respectively located at two ends of the upper portion of the rotation locking piece 16 and are both contacted with the rotation locking piece 16, the anti-damage locking groove 12 is arranged on an ejection path of the anti-damage latch 14, and when the rotation locking plate 19 and the.

In specific implementation, because spring 15 is in tensile state, therefore, the anti-damage bolt 14 has the trend of downward movement, and cardboard 19 contacts with the one end of rotatory card 16, anti-damage card 17 contacts with the other end of rotatory card 16, thereby restricted the rotation of rotatory card 16, rotatory card 16 has blockked anti-damage bolt 14 downstream simultaneously, when the lock body suffered external violent destruction, anti-damage card 17 is damaged, the limiting displacement to rotatory card 16 has been lost, at this moment, rotatory card 16 is under cardboard 19's pressure, take place to rotate, make anti-damage bolt 14 launch into in anti-damage locked groove 12 under the effect of spring 15, the realization is died to the lock body, avoid the condition of violent unblanking. It is worth noting that cardboard 19 and anti-damage card 17 all are located the top of rotatory card 16, and simultaneously, anti-damage card 17 and cardboard 19 all have certain area of contact with rotatory card, make anti-damage card 17 and cardboard 19 have good limiting displacement to rotatory card 16, avoid great vibration to cause anti-damage card 17 and rotatory card 16 to separate, prevent the condition that anti-damage mechanism miscarrests.

It should be noted that the electronic lock 8 also has a tamper-proof function, and the electronic lock 8 is matched with the tamper-proof mechanism to enhance the tamper-proof capability, when the electromagnet is damaged, the electromagnet is easy to power off and fail, and the anti-damage mechanism can work only by being damaged by strong force, so that the anti-damage function can not be realized when the electronic lock 8 is slightly damaged and fails and the anti-damage mechanism does not work, the spare lock 82 has the function of preventing light damage, when the electromagnet is damaged and fails, the spare lock 82 works to realize locking, the spare lock 82 belongs to mechanical locking and can be damaged only by violence, at the moment, the destroying person needs to increase the destroying force when opening the door, the tamper-proof mechanism will be triggered to operate to lock the tamper-proof bolt 14 in the tamper-proof lock slot 12, thereby achieving a double locking and greatly enhancing the tamper-proof function of the lock.

As shown in fig. 4 and 9, a limiting post 20 is fixed on the limiting plate 18, the limiting post 20 is parallel to the anti-damage bolt 14, the limiting post 20 is of a cavity structure, a sliding groove communicated with the cavity is formed in one side of the limiting post 20, the spring 15 is arranged in the cavity of the limiting post 20, a sliding sheet 21 is fixed on one side of the anti-damage bolt 14, the sliding sheet 21 is slidably connected with the sliding groove, and two ends of the spring 15 are respectively fixed with the sliding sheet 21 and the limiting plate 18.

During specific implementation, through the limiting effect of the limiting column 20, the spring 15 can only move downwards in the limiting column 20, and meanwhile, the sliding piece 21 moves along the sliding groove, so that the anti-damage bolt 14 and the spring 15 move along the direction of the limiting column 20, and the anti-damage bolt 14 can be rapidly and accurately ejected into the anti-damage lock groove 12.

As shown in fig. 7, mechanical lock 9 further includes a spring c91 and a mechanical lock body, a guide slot 92 is formed in the mechanical lock body and penetrates through one end of the mechanical lock body, mechanical latch 10 is slidably disposed in guide slot 92, a spring c91 is disposed in guide slot 92, one end of the spring c91 is fixed to the bottom of guide slot 92, the other end of the spring c91 is fixed to one end of mechanical latch 10, and when backup latch 42 is fitted into electronic lock slot 11, spring c91 is in a normal state.

As shown in fig. 8, a lock cylinder 93 is rotatably disposed on the mechanical lock 9, a lock hole 94 is disposed at a position of the upper cover 4 corresponding to the lock cylinder 93, the lock cylinder 93 is used for unlocking the mechanical lock 9, the lock cylinder 93 includes a lock cylinder seat 95, a lock cylinder 96 and a gear 97, the lock cylinder seat 95 is rotatably disposed on a lock body of the mechanical lock, a lock slot is disposed at one end of the lock cylinder seat 95, the lock cylinder 96 is fixed at the other end of the lock cylinder seat, the gear 97 is fixed on the lock cylinder 96, a gear hobbing 98 is disposed on the mechanical lock tongue 10, and the gear hobbing 98 is engaged with the.

When the mechanical lock is implemented, the mechanical lock 9 is unlocked through the matching of the key and the lock cylinder 93, and the specific work engineering is as follows: when a key is inserted into the lock hole 94 and the lock groove, the key drives the lock cylinder 96 to rotate, so that the gear 97 rotates, and due to the matching of the gear 97 and the gear hobbing 98, when the gear 97 rotates, the gear hobbing 98 moves, so that the mechanical bolt 10 on the mechanical lock 9 moves, and the mechanical lock 9 drives the electronic lock 8 to move, so that unlocking is realized.

According to the above, the materials of the electromagnet a85, the electromagnet b86 and the electromagnet c43 are all soft iron or silicon steel. The soft iron and the silicon steel can enable the electromagnet to lose magnetism immediately when the power is cut off, so that the locking and unlocking effects of the electronic lock 8 are better.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A double-lock linkage lock body with a damage prevention function is characterized by comprising a lock seat (1) and a lock cavity (2), wherein the lock cavity (2) is positioned on one side of the lock seat (1), an electronic lock groove (11) and a damage prevention lock groove (12) are arranged in the lock cavity (2), the lock seat (1) comprises a bottom plate (3) and an upper cover (4), the upper cover (4) is fixed on the bottom plate (3), the upper cover (4) and the bottom plate (3) form an inner cavity, a mechanical lock fixing seat (5), a sliding base (6) and a frame (7) are arranged in the inner cavity, the frame (7) and the mechanical lock fixing seat (5) are fixed on the bottom plate (3), the sliding base (6) is slidably arranged on the frame (7), and a mechanical lock (9) is fixed on the mechanical lock fixing seat (5), an electronic lock (8) is fixed at one end of the sliding base (6), the other end of the sliding base (6) is fixed with a mechanical bolt (10) on the mechanical lock (9), and a damage-proof mechanism is arranged on the frame (7);

the anti-damage mechanism comprises an anti-damage bolt (14), a spring (15), a rotary card (16) and an anti-damage card (17), a limiting plate (18) is fixed on the frame (7), the anti-damage bolt (14) movably penetrates through the limiting plate (18), one end of the spring (15) is connected with the limiting plate (18), the other end of the spring is connected with one side of the anti-damage bolt (14), a clamping plate (19) is fixed on the anti-damage bolt (14), the middle part of the rotary card (16) is hinged on the frame (7), the anti-damage card (17) is fixed on the mechanical lock fixing seat (5), the clamping plate (19) and the anti-damage card (17) are respectively located at two ends of the upper part of the rotary card (16) and are both contacted with the rotary card (16), an anti-damage lock groove (12) is arranged on an ejection path of the anti-damage bolt (14), when the clamping plate (19) and the anti-damage card (17) jointly limit the rotation of the rotating card (16), the spring (15) is in a stretching state.

2. The double-lock linkage lock body with the anti-damage function according to claim 1, the electronic lock (8) comprises an electromagnetic lock shell (81), a standby lock (82) and an electromagnetic lock a (83), the spare lock (82) is fixed at the central position in the electromagnetic lock shell (81), the electromagnetic lock shell (81) is internally and vertically symmetrically fixed with partition plates (84), electromagnetic locks a (83) are respectively arranged on the two partition plates (84), an electromagnet a (85) is arranged on one side of the electromagnetic lock a (83), an electromagnet c (43) is fixed at one end of the electromagnetic lock a (83) far away from the electromagnetic lock shell (81), the electromagnet b (86) is symmetrically arranged at the upper and lower parts of one end of the electronic lock groove (11) which is contacted with the electronic lock (8), and when the electronic lock is in a power-on state, the electromagnet a (83) and the electromagnet b (86) are electromagnetically attracted.

3. A double-lock linkage lock body with an anti-damage function according to claim 2, characterized in that the electromagnetic lock a (83) comprises a guide frame b (88), a spring b (89) and a lock body (90), the guide frame b (88) is fixed on the partition plate (84), the lock body (90) is slidably arranged in the guide frame b (88), two ends of the spring b (89) are fixedly connected with the electromagnetic lock shell (81) and the lock body (90), respectively, the lock body (90) penetrates through the partition plate (84), one side of the lock body (90) close to the electronic lock slot (11) is provided with the electromagnet a (83), and one end of the lock body (90) far away from the spring b (89) is fixed with the electromagnet c (43).

4. A double-lock linkage lock body with anti-damage function according to claim 3, characterized in that said spare lock (82) comprises a guide frame a (40), a spring a (41) and a spare bolt (42), said guide frame a (40) is fixed in said electromagnetic lock housing (81), said spare bolt (42) is slidably arranged in said guide frame a (40), both ends of said spring a (41) are respectively fixedly connected with said electromagnetic lock housing (81) and said spare bolt (42), and when said spare bolt (42) is matched with said electronic lock slot (11), said spring a (41) is in a normal state.

5. The double-lock linkage lock body with the anti-damage function is characterized in that the mechanical lock (9) further comprises a spring c (91) and a mechanical lock body, a guide groove (92) penetrating through one end of the mechanical lock body is formed in the mechanical lock body, the mechanical lock tongue (10) is slidably arranged in the guide groove (92), the spring c (91) is arranged in the guide groove (92), one end of the spring c is fixed with the bottom of the guide groove (92), and the other end of the spring c is fixed with one end of the mechanical lock tongue (10).

6. The double-lock linkage lock body with the anti-damage function according to claim 5, wherein a lock core (93) is rotatably arranged on the mechanical lock (9), a lock hole (94) is formed in a position, corresponding to the lock core (93), of the upper cover (4), and the lock core (93) is used for unlocking the mechanical lock (9).

7. The double-lock linkage lock body with the anti-damage function according to claim 6, wherein the lock cylinder (93) comprises a lock cylinder seat (95), a lock cylinder (96) and a gear (97), the lock cylinder seat (95) is rotatably arranged on the mechanical lock body, one end of the lock cylinder seat (95) is provided with a lock groove, the other end of the lock cylinder seat is fixed with the lock cylinder (96), the lock cylinder (96) is fixed with the gear (97), the mechanical lock tongue (10) is provided with a hobbing (98), and the hobbing (98) is meshed with the gear (97).

8. The double-lock linkage lock body with the anti-damage function according to claim 1, wherein a limiting column (20) is fixed on the limiting plate (18), the limiting column (20) and the anti-damage bolt (14) are arranged in parallel, the limiting column (20) is of a cavity structure, a sliding groove communicated with the cavity is formed in one side of the limiting column (20), the spring (15) is arranged in the cavity of the limiting column (20), a sliding piece (21) is fixed on one side of the anti-damage bolt (14), the sliding piece (21) is connected with the sliding groove in a sliding manner, and two ends of the spring (15) are fixed with the sliding piece (21) and the limiting plate (18) respectively.