CN209908160U - Dual-purpose lock - Google Patents

Abstract

The utility model discloses a dual-purpose lock, which has the technical scheme that the dual-purpose lock comprises a mounting seat, and the dual-purpose lock is fixedly arranged on a luggage through the mounting seat; the lock comprises a lock body, a lock handle and a lock handle, wherein the lock body comprises a lock hook and a lock rope, and is detachably arranged on the mounting seat; the mounting seat is fixedly mounted on a luggage, when the lock body is fixedly mounted on the fixing seat, the lock hook is used for limiting and locking a zipper sheet of the luggage, and the dual-purpose lock realizes the function of a luggage lock and is used as a luggage lock; the lock body is detached the fixing base uses as the padlock, the lock rope is used for spacing locking to the zip fastener piece of case and bag, and this double-purpose lock realizes the padlock function, and latch hook and lock rope sharing password subassembly, key subassembly and unblock push button compare in using two mutually independent case and bag locks and padlocks, and total spare part is still less relatively, therefore the cost is lower relatively.

Description

Dual-purpose lock

Technical Field

The utility model relates to a tool to lock technical field, more specifically says, it relates to a double-purpose lock.

Background

For the security of luggage, most luggage is fitted with a lock. The lock for the case comprises a case lock and a padlock which are fixedly arranged on the case, and the case lock and the padlock are two completely different locks, so the case lock and the padlock are two completely independent locks generally, and the case is only provided with one lock, namely the case lock or the padlock. The case lock and the padlock have respective advantages and disadvantages, and if a customer wants the case to have the functions of the case lock and the padlock at the same time, the case lock and the padlock need to be equipped with two different locks at the same time, so that the cost is relatively higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double-purpose lock reaches the switching use that can realize case and bag lock function and padlock function, the lower purpose of cost relatively simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions: a double-purpose lock is characterized in that:

the dual-purpose lock comprises a mounting seat, wherein the dual-purpose lock is fixedly mounted on a luggage through the mounting seat;

the lock comprises a lock body, a lock handle and a lock handle, wherein the lock body comprises a lock hook and a lock rope, and is detachably arranged on the mounting seat;

the mounting seat is fixedly mounted on a luggage, when the lock body is fixedly mounted on the fixing seat, the lock hook is used for limiting and locking a zipper sheet of the luggage, and the dual-purpose lock realizes the function of a luggage lock and is used as a luggage lock; the lock body is detached the fixing base uses as the padlock, the lock rope is used for spacing locking to the zip fastener piece of case and bag, and this double-purpose lock realizes the padlock function.

Preferably, the mounting seat comprises a rotating shaft and a conversion push button, the rotating shaft is linked with the conversion push button, the rotating shaft is provided with a limiting block, the lock body is provided with a buckling part, and the buckling part is provided with a limiting hole;

when the lock body is installed and fixed on the installation seat, the limiting block is positioned in the lock body, the limiting block and the limiting hole are staggered, and the limiting block is blocked by the buckling part; promote the conversion pushes away the button, the conversion pushes away the button and removes and drive the rotation axis rotates, the stopper rotate to with spacing hole aligns each other, the stopper can be followed spacing hole removes extremely outside the lock body, realizes the lock body is detached the mount pad.

As a further optimization, the mounting seat further comprises a push plate, the push plate and the conversion push button are fixedly mounted together, one end of the push plate is provided with a limit port, the rotating shaft is provided with a convex block, and the convex block is positioned at the limit port;

when the conversion push button moves, the push plate moves along with the conversion push button synchronously, and the push plate drives the rotating shaft to rotate through the matching of the limiting port and the lug.

As a further optimization, the mounting seat comprises a control box, the control box is provided with a position sensing protrusion, and the conversion push button is provided with a mounting position sensing groove and a detaching position sensing groove;

when the conversion push button moves to realize that the lock body is detached from the mounting seat, the position sensing protrusion is changed from being positioned in the mounting position sensing groove to being positioned in the detaching position sensing groove.

As a further optimization, the lock body further comprises a lock shell, a password component, a key component and an unlocking push button, and the password component, the key component and the unlocking push button are all linked with the lock hook;

after the lock body locks the luggage, the lock hook is limited and locked, the unlocking push button is limited and locked by the lock hook, the lock hook is limited and locked on a zipper piece of the luggage, or the lock rope is inserted into the lock shell and limited and locked by the lock hook, and the lock rope is limited and locked on the zipper piece of the luggage; this lock body passes through behind the password subassembly or the key subassembly unblock, the latch hook is unblock portable, promotes the unblock pushes away the button, the unblock pushes away the button and removes and drives the latch hook removes to realize removing the spacing of the zip fastener piece of case and bag and lock, perhaps the unblock pushes away the button and removes to the latch hook removes to the spacing of locking of lock rope, the lock rope can pull out the lock shell is realized removing the spacing of the zip fastener piece of case and bag and is locked.

Preferably, one end of the lock rope is rotatably connected with the lock shell, the other end of the lock rope is an locking end matched with the lock hook for limiting, and the lock shell is provided with an accommodating groove; when the dual-purpose lock is used as a case lock, the lock rope is retracted in the accommodating groove; when the dual-purpose lock is used as a padlock, the lock rope is taken out of the accommodating groove.

As a further optimization, the lock body further comprises a zipper sheet ejection block and a zipper sheet ejection pressure spring;

when the dual-purpose lock is used as a luggage lock, after a zipper piece of a luggage is locked, the zipper piece pushes down the zipper piece ejection block, the zipper piece ejection compression spring is in an elastic deformation state, and the lock hook is used for limiting and locking the zipper piece; after the lock hook releases the limiting locking of the zipper piece, the elasticity of the zipper piece ejection pressure spring drives the zipper piece ejection block to move, and the zipper piece ejection block ejects the zipper piece out of the lock shell.

As a further optimization, the lock body further comprises a lock rope ejection block and a lock rope ejection pressure spring;

when the dual-purpose lock is used as a padlock, after a zipper sheet of a luggage is locked, the lock rope ejection block is pressed down by the lock rope, the lock rope ejection compression spring is in an elastic deformation state, and the lock hook is used for limiting and locking the lock rope; after the lock hook releases the limiting locking of the lock rope, the elastic force of the lock rope ejection pressure spring drives the lock rope ejection block to move, and the lock rope ejection block ejects the lock rope out of the lock shell.

As a further optimization, the lock body further comprises a linkage piece rotationally connected to the lock shell, a torsion spring is arranged between the linkage piece and the lock shell, the linkage piece is provided with a first stop block and a second stop block, the password assembly comprises a password wheel set and a transmission piece which are in linkage connection with each other, a transmission pressure spring is arranged between the transmission piece and the lock shell, and the transmission piece is provided with a transmission shifting block;

after the lock body is locked, the linkage piece limits and locks the lock hook through the first stop block, the transmission piece is limited and locked by the password wheel set, and the transmission pressure spring is in an elastic deformation state; after the correct unlocking password is input through the password wheel set, the password wheel set unlocks the limiting locking of the transmission part, the transmission part is driven by the elastic force of the transmission pressure spring to move and reset, the transmission shifting block pushes the second stop block to enable the linkage part to rotate, the first stop block rotates to be staggered with the lock hook, the limiting locking of the lock hook is unlocked, and the torsion spring generates elastic deformation.

As a further optimization, the key assembly comprises a lock core and a lock core shifting block, and the linkage piece is provided with a third stop block;

the unlocking key is inserted the lock benevolence drives the lock benevolence rotates, lock benevolence shifting block follows the synchronous rotation of lock benevolence, the promotion of lock benevolence shifting block the third dog makes the linkage piece rotates, first dog rotate to with the latch hook staggers, and it is right to relieve the spacing of latch hook is locked, the torsional spring produces elastic deformation.

To sum up, the utility model discloses following beneficial effect has: the lock hook and the lock rope share the code assembly, the key assembly and the unlocking push button, compared with the case lock and the padlock which are independent of each other, the total parts are relatively fewer, and therefore the cost is relatively lower. When the dual-purpose lock is used as a case lock, the zipper strips of the case are limited and locked through the lock hooks; when the lock body is detached from the mounting seat and used as a padlock, the dual-purpose lock realizes the limiting and locking of the zipper strips of the case through the lock rope.

Drawings

FIG. 1 is a schematic structural diagram of a dual-purpose lock mounted on a luggage in an embodiment;

FIG. 2 is a partially exploded view of the dual lock mechanism of the embodiment;

FIG. 3 is an exploded view of the control box of the mounting seat of the dual-purpose lock in the embodiment;

FIG. 4 is a schematic structural diagram of the dual-purpose lock of the embodiment with the upper cover removed when the lock is used as a case lock;

fig. 5 is a schematic structural diagram of the lock body with the upper cover removed when the dual-purpose lock in the embodiment is used as a padlock.

In the figure: 100. a case; 1. a mounting seat; 11. a control box; 111. a position sensing bulge; 12. accommodating the box; 2. a lock body; 21. a lock case; 211. an upper cover; 212. a bottom cover; 213. accommodating grooves; 22. a cryptographic component; 221. a password wheel group; 222. a transmission member; 2221. a transmission shifting block; 223. a number-changing piece; 224. a transmission pressure spring; 23. a key assembly; 231. locking the kernel; 232. a lock core shifting block; 24. unlocking the push button; 240. a push button pressure spring; 25. a latch hook; 250. a latch hook pressure spring; 251. a hook portion; 26. locking the rope; 27. a position buckling piece; 271. a limiting hole; 28. a linkage member; 280. a torsion spring; 281. a first stopper; 282. a second stopper; 283. a third stopper; 291. ejecting a zipper sheet out of the block; 292. a locking rope ejection block; 2920. a pressure spring is ejected out of the locking rope; 3. switching a push button; 31. a push block; 32. installing a position sensing groove; 33. detaching the position sensing groove; 34. a space of abdicating; 4. pushing the plate; 41. a limiting port; 5. a rotating shaft; 51. a bump; 52. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the dual-purpose lock includes a mounting seat 1 and a lock body 2, and the lock body 2 can be mounted on the mounting seat 1 and detached from the mounting seat 1. The mounting seat 1 is fixedly mounted on the luggage 100, and the lock body 2 is fixedly mounted on the mounting seat 1, so that the luggage lock function of the dual-purpose lock is realized, and the dual-purpose lock is used as a luggage lock; the lock body 2 is detached from the mounting seat 1, and the lock body 2 is used as a padlock, so that the padlock function of the dual-purpose lock is realized. Referring to fig. 2, the lock body 2 includes a lock case 21, a code assembly 22, a key assembly 23, an unlocking button 24, a shackle 25 and a lock cord 26, and the lock case 21 includes an upper cover 211 and a lower cover 212. The combination of the shackle 25 and the locking cord 26, which share the combination assembly 22, the key assembly 23 and the unlocking push button 24, results in relatively fewer overall parts and therefore relatively lower costs than if two separate luggage locks and padlocks were used. When the dual-purpose lock is used as a case lock, the zipper strips of the case 100 are limited and locked through the lock hooks 25; when the lock body 2 is detached from the mounting seat 1 and used as a padlock, the lock rope 26 is used for limiting and locking the zipper strips of the case 100.

Referring to fig. 2 and 3, the mounting base 1 includes a control box 11 and a housing box 12, the control box 11 is installed inside the luggage 100, the housing box 12 is located outside the luggage 100, and the lock body 2 is located inside the housing box 12 when installed on the mounting base 1. The control box 11 is internally provided with a conversion push button 3, a push plate 4 and two rotating shafts 5, the bottom of the conversion push button 3 is provided with a push block 31, and the push block 31 is exposed from the bottom of the control box 11. The push plate 4 and the conversion push button 3 are fixedly arranged together, and the push plate 4 and the conversion push button 3 move synchronously. The conversion push button 3 and the push plate 4 are both limited by the control box 11 and can only do linear movement. Two rotation axis 5 all rotate to be connected in control box 11, and are located the both sides of push pedal 4 respectively, and the lower extreme that is close to push pedal 4 of two rotation axis 5 all is equipped with lug 51, and the both sides of push pedal 4 all are equipped with spacing mouth 41, and lug 51 on two rotation axis 5 is located the spacing mouth 41 of the both sides of push pedal 4 respectively. The upper ends of the two rotating shafts 5, which are far away from the push plate 4, penetrate through the control box 11 and are positioned in the accommodating box 12, the upper ends of the two rotating shafts are provided with limiting blocks 52, and the limiting blocks 52 are cuboids. Two buckling pieces 27 are installed in a lock shell 21 of the lock body 2, the positions of the two buckling pieces 27 correspond to the positions of the two rotating shafts 5 one by one, limiting holes 271 are formed in the two buckling pieces 27, and the cross sections of the limiting holes 271 are square. When the lock body 2 is installed and fixed on the installation seat 1, the limiting blocks 52 of the two rotating shafts 5 are both positioned in the lock shell 21, the limiting blocks 52 and the limiting holes 271 are staggered, namely the long edges of the limiting blocks 52 are perpendicular to the long edges of the limiting holes 271, the limiting blocks 52 cannot penetrate through the limiting holes 271 and are separated from the limiting holes 271 and the lock body 2, and the limiting blocks 52 are blocked and limited by the buckling pieces 27, so that the lock body 2 and the installation seat 1 are installed and fixed together; push away the knob 3 through the conversion and promote the conversion by the ejector pad 31 of knob 3 and remove, push pedal 4 follows the conversion and pushes away knob 3 synchronous motion, push pedal 4 realizes driving two rotation axis 5 through the spacing mouth 41 of both sides and the cooperation of lug 51 and rotates, rotation axis 5's stopper 52 rotates to and detains spacing hole 271 of position 27 and aligns each other, the long limit of stopper 52 is parallel to each other with the long limit of spacing hole 271 promptly, stopper 52 can follow spacing hole 271 and remove outside lock shell 21, the realization is with lock body 2 detach mount pad 1. For optimization, the inner wall of the control box 11 is provided with a position sensing protrusion 111, the conversion push button 3 is provided with an installation position sensing groove 32 and a detachment position sensing groove 33, and the conversion push button 3 is provided with a yielding space 34 in the compression direction on the path from the installation position sensing groove 32 to the detachment position sensing groove 33. After the lock body 2 is installed and fixed on the installation seat 1, the position sensing protrusion 111 is positioned in the installation position sensing groove 32; after the push button 3 is switched to move to detach the lock body 2 from the mounting seat 1, the position sensing protrusion 111 is switched from being located in the mounting position sensing groove 32 to being located in the detachment position sensing groove 33.

As shown in fig. 4 and 5, one end of the lock rope 26 is rotatably connected to the lock case 21, and the other end is an upper lock end that is engaged with the lock hook 25 for limiting. When the lock body 2 is used as a padlock after being detached from the mounting base 1, the upper locking end of the lock rope 26 is inserted into the lock case 21, the lock hook 25 locks the upper locking end of the lock rope 26, and the lock hook 25 locks the upper locking end of the lock rope 26 in a limited manner. Preferably, the lock housing 21 has a receiving slot 213, and the lock rope 26 is a flexible bendable body. When the dual-purpose lock is used as a case lock, the lock rope 26 rotates and is collected in the containing groove 213; when the dual-purpose lock is used as a padlock, the lock cord 26 is pulled out from the storage groove 213 to lock the fastener of the bag 100 in a limited manner.

Referring to fig. 4 and 5, the combination unit 22 includes a combination wheel set 221, a transmission member 222 and a number-changing member 223, which are coupled to each other in a linkage manner, and a transmission compression spring 224 is disposed between the transmission member 222 and the lock case 21. The key assembly 23 includes a lock cylinder 231 and a lock cylinder dial 232. The lock body 2 further comprises a linkage member 28 rotatably connected in the lock case 21, and a torsion spring 280 is provided between the linkage member 28 and the lock case 21. The linkage 28 is provided with a first stop 281, a second stop 282 and a third stop 283, and the transmission member 222 is provided with a transmission shifting block 2221. A push button pressure spring 240 is arranged between the unlocking push button 24 and the lock shell 21, and a lock hook pressure spring 250 is arranged between the lock hook 25 and the lock shell 21. After the lock body 2 is locked, the lock hook 25 is locked in a limited way by the first stop block 281 of the linkage 28, the unlocking push button 24 is locked in a limited way by the lock hook 25, the hook part 251 of the lock hook 25 locks the zipper strips of the luggage 100, or when the lock rope 26 is locked in a limited way by the lock hook 25 and the zipper strips are locked in a limited way by the lock rope 26 when the lock is used as a padlock, the transmission piece 222 is locked in a limited way by the password wheel set 221, and the transmission pressure spring 224 is in an elastic deformation; after a correct unlocking password is input through the password wheel set 221, the password wheel set 221 releases the limiting locking of the transmission piece 222, the transmission piece 222 is driven by the elastic force of the transmission pressure spring 224 to move and reset, the transmission shifting block 2221 pushes the second stop block 282 to enable the linkage piece 28 to rotate, the first stop block 281 rotates to be staggered with the lock hook 25 to release the limiting locking of the lock hook 25, the torsion spring 280 generates elastic deformation to push the unlocking push button 24, the unlocking push button 24 pushes the lock hook 25 to move to release the limiting locking of a zipper sheet of the luggage 100 or pushes the lock hook 25 to move to release the limiting locking of the lock rope 26, the push button pressure spring 240 generates elastic deformation, and the lock hook pressure spring 250 generates elastic deformation; the unlocking key is inserted into the lock kernel 231 to drive the lock kernel 231 to rotate, the lock kernel shifting block 232 rotates along with the lock kernel 231, the lock kernel shifting block 232 pushes the third stop block 283 to enable the linkage 28 to rotate, the first stop block 281 rotates to be staggered with the lock hook 25 to release the limiting locking of the lock hook 25, the torsion spring 280 generates elastic deformation to push the unlocking push button 24, the unlocking push button 24 pushes the lock hook 25 to move to release the limiting locking of a zipper piece of the luggage 100 or pushes the lock hook 25 to move to release the limiting locking of the lock rope 26, the push button pressure spring 240 generates elastic deformation, and the lock hook pressure spring 250 generates elastic deformation.

As shown in fig. 4 and 5, the lock body 2 preferably further includes a zipper strip ejection block 291 and a zipper strip ejection compression spring (not shown in the figures, but hidden from view), and the zipper strip ejection compression spring is installed between the zipper strip ejection block 291 and the lock case 21. When the dual-purpose lock is used as a case lock, after the zipper piece of the case 100 is locked, the zipper piece pushes the zipper piece ejection block 291 downwards, the zipper piece ejection compression spring is in an elastic deformation state, and the lock hook 25 is used for limiting and locking the zipper piece; after the lock hook 25 releases the limit locking of the zipper slide, the elasticity of the zipper slide ejection compression spring drives the zipper slide ejection block 291 to move, and the zipper slide ejection block 291 ejects the zipper slide out of the lock case 21. Preferably, the lock body 2 further comprises a lock rope ejection block 292 and a lock rope ejection compression spring 2920, and the lock rope ejection compression spring 2920 is installed between the lock rope ejection block 292 and the lock case 21. When the dual-purpose lock is used as a padlock, after the zipper strips of the luggage 100 are locked, the locking end of the locking rope 26 presses the locking rope ejection block 202 into the lock shell 21, the locking rope ejection compression spring 2920 is in an elastic deformation state, and the locking hook 25 limits and locks the locking rope 26; after the lock hook 25 releases the limit locking of the lock rope 26, the elastic force of the lock rope ejection pressure spring 2920 drives the lock rope 26 ejection block to move and reset, and the lock rope ejection block 292 ejects the unlocking end of the lock rope 26 out of the lock case 21.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the above embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims (10)

1. A double-purpose lock is characterized in that:

the dual-purpose lock comprises a mounting seat, wherein the dual-purpose lock is fixedly mounted on a luggage through the mounting seat;

the lock comprises a lock body, a lock handle and a lock handle, wherein the lock body comprises a lock hook and a lock rope, and is detachably arranged on the mounting seat;

the mounting seat is fixedly mounted on a luggage, when the lock body is fixedly mounted on the mounting seat, the lock hook is used for limiting and locking a zipper sheet of the luggage, and the dual-purpose lock realizes the function of a luggage lock and is used as a luggage lock; the lock body is detached the mount pad uses as the padlock, the lock rope is used for spacing locking to the zip fastener piece of case and bag, and this double-purpose lock realizes the padlock function.

2. A dual use lock according to claim 1, wherein: the lock body is provided with a lock body, and the lock body is provided with a lock body;

when the lock body is installed and fixed on the installation seat, the limiting block is positioned in the lock body, the limiting block and the limiting hole are staggered, and the limiting block is blocked by the buckling part; promote the conversion pushes away the button, the conversion pushes away the button and removes and drive the rotation axis rotates, the stopper rotate to with spacing hole aligns each other, the stopper can be followed spacing hole removes extremely outside the lock body, realizes the lock body is detached the mount pad.

3. A dual use lock according to claim 2, wherein: the mounting seat further comprises a push plate, the push plate and the conversion push button are fixedly mounted together, one end of the push plate is provided with a limiting opening, the rotating shaft is provided with a protruding block, and the protruding block is located at the limiting opening;

when the conversion push button moves, the push plate moves along with the conversion push button synchronously, and the push plate drives the rotating shaft to rotate through the matching of the limiting port and the lug.

4. A dual use lock according to claim 2, wherein: the mounting seat comprises a control box, the control box is provided with a position sensing bulge, and the conversion push button is provided with a mounting position sensing groove and a detaching position sensing groove;

when the conversion push button moves to realize that the lock body is detached from the mounting seat, the position sensing protrusion is changed from being positioned in the mounting position sensing groove to being positioned in the detaching position sensing groove.

5. A dual use lock according to claim 1, wherein: the lock body further comprises a lock shell, a password component, a key component and an unlocking push button, and the password component, the key component and the unlocking push button are all linked with the lock hook;

after the lock body locks the luggage, the lock hook is limited and locked, the unlocking push button is limited and locked by the lock hook, the lock hook is limited and locked on a zipper piece of the luggage, or the lock rope is inserted into the lock shell and limited and locked by the lock hook, and the lock rope is limited and locked on the zipper piece of the luggage; this lock body passes through behind the password subassembly or the key subassembly unblock, the latch hook is unblock portable, promotes the unblock pushes away the button, the unblock pushes away the button and removes and drives the latch hook removes to realize removing the spacing of the zip fastener piece of case and bag and lock, perhaps the unblock pushes away the button and removes to the latch hook removes to the spacing of locking of lock rope, the lock rope can pull out the lock shell is realized removing the spacing of the zip fastener piece of case and bag and is locked.

6. A dual use lock according to claim 5, wherein: one end of the lock rope is rotatably connected with the lock shell, the other end of the lock rope is an locking end matched with the lock hook for limiting, and the lock shell is provided with an accommodating groove; when the dual-purpose lock is used as a case lock, the lock rope is retracted in the accommodating groove; when the dual-purpose lock is used as a padlock, the lock rope is taken out of the accommodating groove.

7. A dual use lock according to claim 5, wherein: the lock body also comprises a zipper sheet ejection block and a zipper sheet ejection pressure spring;

when the dual-purpose lock is used as a luggage lock, after a zipper piece of a luggage is locked, the zipper piece pushes down the zipper piece ejection block, the zipper piece ejection compression spring is in an elastic deformation state, and the lock hook is used for limiting and locking the zipper piece; after the lock hook releases the limiting locking of the zipper piece, the elasticity of the zipper piece ejection pressure spring drives the zipper piece ejection block to move, and the zipper piece ejection block ejects the zipper piece out of the lock shell.

8. A dual use lock according to claim 5, wherein: the lock body also comprises a lock rope ejection block and a lock rope ejection pressure spring;

when the dual-purpose lock is used as a padlock, after a zipper sheet of a luggage is locked, the lock rope ejection block is pressed down by the lock rope, the lock rope ejection compression spring is in an elastic deformation state, and the lock hook is used for limiting and locking the lock rope; after the lock hook releases the limiting locking of the lock rope, the elastic force of the lock rope ejection pressure spring drives the lock rope ejection block to move, and the lock rope ejection block ejects the lock rope out of the lock shell.

9. A dual use lock according to claim 5, wherein: the lock body further comprises a linkage piece which is rotationally connected with the lock shell, a torsion spring is arranged between the linkage piece and the lock shell, the linkage piece is provided with a first stop block and a second stop block, the password component comprises a password wheel set and a transmission piece which are in linkage connection with each other, a transmission compression spring is arranged between the transmission piece and the lock shell, and the transmission piece is provided with a transmission shifting block;

after the lock body is locked, the linkage piece limits and locks the lock hook through the first stop block, the transmission piece is limited and locked by the password wheel set, and the transmission pressure spring is in an elastic deformation state; after the correct unlocking password is input through the password wheel set, the password wheel set unlocks the limiting locking of the transmission part, the transmission part is driven by the elastic force of the transmission pressure spring to move and reset, the transmission shifting block pushes the second stop block to enable the linkage part to rotate, the first stop block rotates to be staggered with the lock hook, the limiting locking of the lock hook is unlocked, and the torsion spring generates elastic deformation.

10. A dual use lock according to claim 9, wherein: the key assembly comprises a lock core and a lock core shifting block, and the linkage piece is provided with a third stop block;

the unlocking key is inserted the lock benevolence drives the lock benevolence rotates, lock benevolence shifting block follows the synchronous rotation of lock benevolence, the promotion of lock benevolence shifting block the third dog makes the linkage piece rotates, first dog rotate to with the latch hook staggers, and it is right to relieve the spacing of latch hook is locked, the torsional spring produces elastic deformation.

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