CN210316867U - Be applied to customs lock's reset structure and customs lock - Google Patents

Abstract

The utility model relates to a reset structure and customs lock for customs lock, this reset structure includes shell fragment and fixed knot structure, fixed knot structure includes first limiting plate and second limiting plate, form an accommodation space between first limiting plate and the second limiting plate; the first limiting plate includes: the limiting column is arranged in the accommodating space, and a preset gap is formed between the limiting column and the first limiting plate so as to be matched with and fix the elastic sheet; the shell fragment include the stationary blade and with the movable plate that the stationary blade is connected, the movable plate corresponds spacing post position is provided with the fluting, the movable plate orientation the second limiting plate just is located respectively one side setting of spacing post. The bending part of the reset structure in the customs lock is abutted against the lock tongue. The structure of should restoring to the throne is simple, easy production, and the customs lock body that is equipped with this structure of restoring to the throne is long-pending little, and the component is few, convenient assembly and use.

Description

Be applied to customs lock's reset structure and customs lock

Technical Field

The utility model relates to a reset structure especially relates to a be applied to customs lock's reset structure and have this structure.

Background

In the process of consignment, customs personnel have the right to open the luggage case for inspection when entering and exiting customs. Common locks are normally forcibly opened, so that the locks cannot be reused after being opened, and therefore, a lock which is convenient for customs inspection and can influence subsequent normal use is needed. The customs lock is used for Security detection of customs clearance baggage goods and transportation customs supervision goods by the united states customs, and a special key of a universal TSA (abbreviation of u.s.transport Security Administration) which is globally used by international customs is adopted to ensure the Security of the goods in the transportation process.

Through many years of research and application, multiple customs locks appear in the market, for example, the Chinese utility model patent with the publication number of CN203654929U, namely case coded lock, and the Chinese utility model patent with the publication number of CN205936003U, namely customs lock, all disclose the structural characteristics of the customs lock, and the box locks cause the volume of the lock body to be larger due to the adoption of multiple components such as panels, so that the assembly is troublesome. If the patent grant number is: CN 202866463U's "suitcase lock", the linkage cooperation structure between its locating piece and lock core and with the draw runner is complicated, the accessory is many, and the assembly is loaded down with trivial details.

For the convenience of transportation and carrying, it is imperative that locks are smaller and smaller in size and weight.

The invention discloses a case lock and a case adopting the same, which are disclosed in the Chinese patent with the application publication number of CN107448068A, and the problem that the use is affected due to the overlarge size of a custom lock body caused by the overlarge size of the existing custom lock is effectively solved through the matching of a coded lock, a dial plate, a movable plate, a push button, a locking position sliding switch and a limiting part which are arranged on a shell.

However, the number of components adopted in the invention is large, the volume in the lock shell is small, and particularly, the volume of the reset structure is smaller, the existing reset structure usually comprises a plurality of tiny springs, the plurality of springs need to be assembled into the lock shell with a very narrow space through manual operation in the assembly process, one end of each spring needs to be fixed on the lock shell, the other end of each spring needs to be fixed on a lock tongue in the specific assembly process, the springs are very tiny and are extremely difficult to operate in the assembly process, the two ends of each spring are fixed, the spring is often misplaced or popped due to sliding, the assembly efficiency is very low, and the overall assembly efficiency of the lock is finally influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a be applied to customs lock reset structure and use this reset structure's customs lock with simple structure is provided to above-mentioned prior art, has compensatied the complicated shortcoming of customs lock component, convenient assembly.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a reset structure for a customs lock, comprising:

the fixing structure is arranged in the customs lock and comprises a first limiting plate and a second limiting plate, and an accommodating space is formed between the first limiting plate and the second limiting plate;

the method is characterized in that: the method comprises the following steps:

the first limiting plate includes:

the limiting column is arranged in the accommodating space, and a preset gap is formed between the limiting column and the first limiting plate;

set up in the accommodation space and with fixed knot constructs complex shell fragment, the shell fragment includes:

the fixing piece is used for being matched and fixed between the first limiting plate and the limiting column;

the movable plate is connected with the fixed plate, faces the second limiting plate and corresponds to the limiting column position and is provided with a groove.

Further preferably, the elastic sheet is V-shaped in the direction perpendicular to the first limiting plate.

Further preferably, two opposite limiting ridges are arranged on the first limiting plate.

Further optimize, first limiting plate is connected with the spacing post through connecting the bridge.

Further optimize, first limiting plate breach is equipped with at the corresponding position of spacing post to first limiting plate.

Further optimize, the stationary blade is equipped with the connection bridge interface with the big or small adaptation of connection bridge in the one end of keeping away from the movable plate.

Further preferably, the bottom of the movable plate is bent inwards to form an arc-shaped contact end, and the inner side of the arc of the contact end faces the first limiting plate.

The utility model provides an use above-mentioned substructure's customs lock, includes the lock shell of constituteing by epitheca and lower casing, and set up the hasp in the lock shell, unblank slider, key lock core, password lock core, unblank the slider cover and locate on the key lock core, the hasp includes spring bolt and spring bolt cooperation piece, the spring bolt with unblank the slider and be connected, wherein, include:

the upper shell or the lower shell is provided with the first limiting plate and the second limiting plate, and the elastic sheet is arranged on the first limiting plate; the contact end of the elastic sheet is elastically abutted against the spring bolt:

the bearing base is horizontally arranged on the lower shell, and a lock cylinder offset structure and a movable area positioned in the middle of the limiting structure are arranged on the bearing base structure in the direction towards the upper shell;

the lock cylinder offset structure is horizontally arranged in the movable area and is positioned at the bottom of the key lock cylinder;

the blocking block is vertically arranged on the bearing base, one side of the blocking block abuts against the lock cylinder deviation structure, and the opposite side of the blocking block is connected with the keel of the coded lock cylinder;

the lock cylinder deviation structure is used for matching the key lock cylinder to rotate, and the unlocking sliding block horizontally moves to a preset stroke towards the position of the coded lock cylinder under the limitation of the limiting structure and the blocking block so as to open the lock catch.

Further, said holding base comprises:

the first bearing surface is arranged close to the lock catch and used for horizontally supporting the horizontal rotation of the lock cylinder offset structure;

and the second bearing surface extends from the first bearing surface and is arranged towards the coded lock cylinder position and used for horizontally supporting the lock cylinder offset structure and the horizontal movement of the stop block.

Further, limit structure includes:

the first limiting part is upwards protruded perpendicular to the first bearing surface and used for limiting the lock cylinder offset structure to move out of the lock catch position from the first bearing surface;

a second limiting part which is upwards convex and vertical to the first bearing surface is arranged at a position close to the second bearing surface far away from the first limiting part, and one surface of the second limiting part, which is contacted with the lock cylinder offset structure, is a cambered surface;

perpendicular to first bearing faces the bellied spacing portion of third, keeps away from first spacing with the spacing portion of second sets up in being close to the position of second bearing face, the spacing portion of third is the V type with the cross-section of the one side of lock core skew structure contact.

Further, the key cylinder offset structure includes:

a bias body;

the rotary hole is formed in the top of the offset body, and the opening direction of the rotary hole faces towards the key lock cylinder and is used for being matched with and inserted into a bottom protruding structure of the key lock cylinder.

Further, the length of the lock cylinder offset structure is smaller than the distance between the stop block and the first limiting part.

Furthermore, the spring bolt still is equipped with and is used for connecting the slider of unblanking link.

Further, in the customs lock, the unlocking slide block is provided with a key lock cylinder cavity, and the projection of the wall of the key lock cylinder cavity on the first bearing surface is smaller than that of the first bearing surface; the top of the unlocking slide block is provided with a key hole matched with the key lock cylinder; the unlocking slide block is also provided with a connecting end for connecting the lock tongue; the top of the unlocking sliding block is also provided with a gradually increasing sliding bulge in the direction towards the coded lock cylinder; the surface layer of the sliding bulge is provided with anti-slip lines.

Compared with the prior art, the utility model has the advantages of:

1. the reset structure applied to the customs lock is simple in structure, the open groove of the elastic sheet corresponds to the limiting column in the assembling process, the fixed sheet faces the first limiting plate, the movable sheet faces the second limiting plate, the movable sheet is pressed into the accommodating space, and the assembly can be completed, so that the operation is simple and convenient, and the assembly efficiency is improved; 2. the novel customs lock is simple in structure, simple to install and assemble and easy to produce.

3. When the novel customs lock is unlocked by using the customs key, the customs key is only rotated to open the customs lock in the process of driving the lock tongue to move towards the coded lock cylinder, and the operation is convenient and simple.

In a word, the utility model relates to a be applied to customs lock's structure that resets simple structure, easy to produce uses the customs lock simple structure of this structure reasonable, effectively reduces the installation component and the installation degree of difficulty, provides convenience for manufacturing enterprise, and small light in weight provides convenience for the user.

Drawings

FIG. 1: the embodiment of the utility model provides an in fixed knot construct part schematic structure.

FIG. 2: the embodiment of the utility model provides an in the structure schematic diagram of shell fragment.

FIG. 3: the embodiment of the utility model provides an in be applied to the structure schematic diagram of the reset structure of customs lock, wherein fixed knot constructs the part and omits.

FIG. 4: the embodiment of the utility model provides an in the structure schematic diagram of customs lock.

FIG. 5: the embodiment of the utility model provides an in, the customs lock is when the customs key is unblanked, the position schematic diagram when lock core skew structure and limit structure contact.

FIG. 6: the embodiment of the utility model provides an in the customs lock the structure schematic diagram of the slider of unblanking.

FIG. 7: the embodiment of the utility model provides an in the customs lock shell upper cover's the schematic structure drawing.

Description of reference numerals:

1-a spring plate; 11-a fixing sheet; 12-connecting part, 13-movable sheet; 111-connecting bridge interfaces; 131-a contact end; 2-a fixed structure; 21-a first limiting plate; 22-a limit post; 211-clamping ridges; 212-first limit plate notch: 2122-connecting bridge; 3-a key cylinder; 36-a rotating block; 4-coded lock core; 43-keel; 46-a stop block; 5-a bolt mating block; 51-an elastomer; 61-supporting the base; 611-a first limiting part; 612-a second bearing surface; 613-first bearing surface; 614-third limiting part; 616-a second limiting portion; 62-a lock cylinder offset configuration; 622 an offset body; 623 a rotation hole; 7-unlocking the sliding block; 71-a slider projection; 72-bolt connection end, 73-key cylinder cavity; 733 — keyhole; 711-anti-skid pattern; 8-lower cover of lock case; 82-a bolt support; 85-tongue mating block mounting groove: 84-coded lock cylinder holder; 841-cipher lock pulley plectrum; 86-mounting grooves; 88-a lock case base gap; 891-Lock Shell clip Block; 892-screw; 893-screw hole; 9-upper cover body of lock case; 91-unlocking the slider mounting cavity; 92-a latch mounting cavity; 94-coded lock cylinder installation cavity; 98-customs lock screw holes; 911-unlocking the defective opening of the sliding block; 921-latch defect port; 941-defective opening of coded lock core; 991-locking hole of lock case; 993-bolt hole of lock shell; 10-a bolt; 101-a slider connection end; 102-spring tab end.

Detailed Description

The following detailed description will be made in conjunction with the accompanying drawings to make the technical solution of the present invention easier to understand and master.

As shown in fig. 1, 2 and 3, the reset structure applied to the customs lock in the embodiment includes a spring plate 1 and a fixing structure 2.

In this embodiment, the elastic sheet 1 is V-shaped as a whole, and includes a fixed sheet 11, a movable sheet 13, and a connecting portion 12 connecting the fixed sheet 11 and the movable sheet 13. In order to fix the fixing plate 11 conveniently, a connecting bridge interface 111 matched with the connecting bridge in size is arranged at one end, far away from the connecting portion 12, of the fixing plate 11.

It should be noted that the customs lock is generally configured with two lock tongues, so that an elastic contact portion, namely, a spring adopted in the prior art, needs to be provided for each lock tongue, so that the lock tongues can reciprocate under the action of the elastic contact portion;

in this embodiment, be provided with the fluting through with movable plate 13 along length direction, and the fluting position corresponds the position that sets up of spacing post 22, the fluting setting makes movable plate 13 all be provided with the elastic contact portion (not show in the picture) in the both sides of spacing post, movable plate and stationary blade are overall structure simultaneously, so set up when making things convenient for the assembly, can realize providing the elastic contact portion alone for every spring bolt, overcome among the prior art for every hasp provide respectively and the inconvenient problem of assembly that independent elastic contact portion brought separately.

In order to facilitate the contact of the movable plate 13 with other components of the customs lock and protect the contacted components, one end of the movable plate 13 far away from the connecting part 12 is provided with a contact end 131, the arc inner side of the contact end 131 faces the fixing plate 11, the position of the movable plate 13 corresponding to the limiting column 22 is provided with a slot, and the movable plate faces the second limiting plate 23 and is respectively located on one side of the limiting column 22.

The movable sheet 13 corresponds to the position of the limiting column 22 and is provided with a slot, and the movable sheet faces the second limiting plate 23 and is respectively positioned on one side of the limiting column 22.

The fixed structure 2 comprises a limiting column 22, a first limiting plate 21 and a connecting bridge 2122 for connecting the limiting column 22 and the first limiting plate 21, wherein the minimum value of the distance from the limiting column 22 to the first limiting plate 21 is smaller than the thickness of the elastic sheet.

Further, the first limiting plate 21 is provided with opposite clamping ridges 211 for fixing the elastic sheet.

Further, the length of the connecting bridge 2122 is not greater than the thickness of the elastic sheet 1, so that the elastic sheet is accommodated in a predetermined gap between the limiting column 22 and the first limiting plate 21, and the fixing sheet 11 is elastically clamped by the limiting column 22 and the first limiting plate 21.

Further improve, first limiting plate 21 is equipped with first limiting plate breach 212 in the corresponding position of spacing post 22, first limiting plate breach 212 provides the deformation space for the small deformation of shell fragment 1 to prevent in the use of installation shell fragment and reset structure, fixed knot constructs 2 and causes fracture and destruction because of excessive deformation.

The elastic sheet 1 is simple in preparation process, the fixing structure 2 can be integrally formed with the lock shell and matched with the lock shell, and even in a narrow lock shell space of a customs lock, the installation and operation are still convenient.

A customs lock using the resetting structure comprises a lock shell consisting of an upper shell 9 and a lower shell 8, a lock catch arranged in the lock shell, a key lock cylinder 3, a bearing base 61, a lock cylinder offset structure 62 and a coded lock cylinder 4. The key lock cylinder 3 is matched with a customs key lock for use, so that customs staff can quickly open the customs key lock when not knowing a password.

As shown in fig. 4, in this embodiment, the fixing structure 2 is disposed on the upper case 9 toward the lower case 8, the elastic sheet 1 is inserted into the fixing structure 2 in one step, and when the elastic sheet 1 is inserted, the arc outer side of the contact end 131 of the elastic sheet 1 abuts against the elastic sheet terminal 102, so that the installation operation of the elastic sheet 1 is simple, the installation operation and difficulty of the reset structure are effectively reduced, and the installation efficiency is improved.

In the process that the bolt 10 is forced to move towards the direction of the coded lock cylinder, the movable plate 13 is forced to swing towards the direction of the coded lock cylinder by taking the connecting part 12 as an axis, after the bolt 10 is forced to move towards the direction of the coded lock cylinder, the movable plate 13 elastically stretches, and the contact end 131 pushes the bolt 10 to recover to the locking position.

In the customs lock using the reset structure, the coded lock cylinder 4 and the key lock cylinder 3 are mutually independent, and two locks are respectively manufactured, so that the manufacturing process of the locks is simplified.

As shown in fig. 4 and 7, the upper shell 9 and the lower shell 8 are connected, in this embodiment, two connection structures are adopted between the lock shells, one of which is a lock shell clamping block 891 and a lock shell clamping block 991 which are matched with each other; and a screw hole 993 and a hole 893 which are matched with each other.

In this embodiment, the customs lock is connected to the luggage through the nut 98 on the upper cover 9 of the lock case, and in order to ensure that the customs lock contacts the luggage to the maximum extent for firm fixation, the end surface of the nut 98 is flush with the bottom surface of the lock case.

As shown in fig. 4 and 7, in order to better fix the lock catch and achieve the function of the lock catch, in this embodiment, the bracket 82 for the bolt 10 to be installed and fixed, the installation cavity 92 for the lock catch to be installed, and the lock catch defect opening 921 for the lock catch to be exposed are provided on the lock case. In order to better fix the unlocking slider 7 and realize the function of the unlocking slider 7, in the present embodiment, the lock case is provided with an unlocking slider mounting cavity 91 and an unlocking slider defect hole 911. In order to better fix the combination lock cylinder 4 and realize the function of the combination lock cylinder 4, in this embodiment, the lock housing is provided with a bracket 84 for mounting and fixing the combination lock cylinder 4, a mounting cavity 94 for mounting the combination lock cylinder 4, and a combination lock cylinder defect opening 941 for exposing the combination lock cylinder 4.

As shown in fig. 4, the lock catch is disposed at one end of the lock case and includes a lock tongue 10 and a lock tongue matching block 5, in this embodiment, the lock tongue 10 is transversely inserted into the lock catch defect opening 921, an inclined plane capable of accommodating insertion of a pull tab is disposed at the outer side of the lock tongue 10, and the lock tongue 10 is provided with a slider connecting end 101 for connecting the unlocking slider 7.

The unlocking slider 7 is disposed in the middle of the lock case and connected to the lock tongue 10 through the lock tongue connecting end 72, as shown in fig. 6, the unlocking slider 7 is provided with a key cylinder cavity 73 for installing and fixing the key cylinder 3, and the projection of the wall of the key cylinder cavity 73 on the first support surface 613 is smaller than the first support surface 613. The top of the unlocking slide block 7 is provided with a key hole 733 matched with the key lock cylinder 3. So as to facilitate the pressing and sliding during unlocking, the top of the unlocking slide block 7 is also provided with a slide block bulge 71 which gradually increases towards the direction of the coded lock core 4, and furthermore, the surface layer of the slide block bulge 71 is provided with anti-skid grains 711.

As shown in fig. 4, the key cylinder 3 is disposed in the key cylinder cavity 73. The bottom of the keyed cylinder 3 is coaxially provided with a protrusion that is connected to the cylinder offset structure 62 so that the cylinder offset structure 62 is driven by the rotation of the keyed cylinder 3. In this embodiment, the bottom of the keyed cylinder 3 is coaxially provided with a rotation block 36 for connection to a cylinder offset structure (62).

As shown in fig. 4 and 5, the supporting base 61 is horizontally fixed in the mounting groove 86 of the lock case lower cover 8, and includes a first supporting surface 613 and a second supporting surface 612, wherein the first supporting surface 613 is disposed close to the lock catch, and the first supporting surface 613 is used for horizontally supporting the horizontal rotation of the lock cylinder offset structure 62; extending from the first seating surface and towards the coded lock cylinder position is a second seating surface 612, the second seating surface 612 for horizontally supporting horizontal movement of the cylinder biasing structure 62 and the blocker 46.

As shown in fig. 4 and fig. 5, the limiting structure is disposed on the supporting base 61, and includes a first limiting portion 611, a second limiting portion 616 and a third limiting portion 614, wherein the first limiting portion 611 protruding upward is perpendicular to the first supporting surface 613, so as to limit the lock cylinder offset structure 62 from moving out of the first supporting surface 613 to the locking position; the second limiting portion 616 protruding upward is perpendicular to the first bearing surface 613, and is disposed at a position away from the first limiting portion 611 and close to the second bearing surface 612, and a surface of the second limiting portion contacting the lock cylinder offset structure 62 is an arc surface; the third limiting portion 614 protruding upward is perpendicular to the first bearing surface 613, is disposed at a position away from the first limiting portion 611 and the second limiting portion 616 and close to the second bearing surface, and a cross section of a surface of the third limiting portion 614 contacting the lock cylinder offset structure is V-shaped.

As shown in fig. 4 and 5, the key cylinder shift structure 62 is provided on the first support surface 613, and a rotation hole 623 coaxial with the key cylinder is provided at a position corresponding to an end of the key cylinder 3.

As shown in fig. 4 and 5, the length of the lock cylinder offset structure 62 is not longer than the distance between the blocking block 616 and the blocking block 46, in this embodiment, when the lock cylinder offset structure 62 abuts against the blocking block 46, the combination lock cylinder 4 is an unlocking mechanism, specifically, when the combination is correct, the spindle 43 of the combination lock cylinder 4 can move rightwards, and the unlocking slider 7 slides rightwards to open the customs lock release slider; when the password of the password lock cylinder 4 is incorrect, the dragon cylinder 43 cannot move rightwards so as to prevent the lock cylinder offset structure 62 from sliding rightwards, so that the unlocking slide block 7 is prevented from sliding rightwards, the customs lock is prevented from being unlocked by sliding, and the safety of articles in the case is protected.

As shown in fig. 4, the blocking block 46, in this embodiment, is vertically disposed on the supporting base 61, one side of the blocking block 46 abuts against the key cylinder offset structure 62, and the other opposite side is connected to the keel 43 of the combination key cylinder 3.

In the use process:

the pulling piece is opposite to the lock catch defect opening 921 and is inserted along the inclined plane of the locking bolt 10, the locking bolt 10 is forced to overcome the elasticity of the locking bolt elastic body 29 and moves towards the direction of the coded lock core, after the pulling piece is inserted into the lock catch defect opening 921, the locking bolt 10 returns to reset under the elastic action of the locking bolt elastic body 29 and passes through a retaining ring of the pulling piece to lock the pulling piece, and in order to more smoothly complete the process, the lower end of the locking bolt matching block 5 is provided with an elastic body 51. When the password of the password lock cylinder is correct, the dragon core 43 can move towards the password lock cylinder, the unlocking slide block 7 slides towards the password lock cylinder, the locking of the lock catch 2 to the pull piece can be released, when the password of the password lock cylinder is incorrect, the dragon core 43 cannot move towards the password lock cylinder under the state, the blocking block 46 prevents the lock cylinder deviation structure 62 and the unlocking slide block 7 from moving towards the password lock cylinder, and the unlocking slide block 7 is ensured not to be slid so as to drive the lock catch to release the locking of the pull piece.

When a customs worker needs to open the customs lock, the customs key is only inserted into the key cylinder 3, and the key cylinder 3 is driven to rotate clockwise and horizontally by rotating the customs key, in this embodiment, the key cylinder 3 drives the cylinder offset structure 62 to rotate coaxially through the rotating block 36 inserted into the rotating hole 623, in the coaxial rotation process, the cylinder offset structure 62 rotates clockwise on the first bearing surface 613, when the horizontal rotation angle of the cylinder offset structure 62 is greater than 90, one end of the cylinder offset structure 62 contacts with the third limiting part (614), the customs key continues to rotate, the cylinder offset structure 62 is blocked by the third limiting part 614, the customs key continues to rotate, the cylinder offset structure 62 deviates towards the code cylinder on the first bearing surface 613, and in the deviation process, the coaxially arranged key cylinder 3 and the unlocking slider 7 are driven to move towards the code cylinder 4, the unlocking slide block 7 pulls the lock tongue 10 to move for a certain stroke towards the coded lock core 4 until the lock tongue 10 unlocks the puller.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims (10)

1. A reset structure for a customs lock, comprising:

the fixing structure (2) is arranged in the customs lock and comprises a first limiting plate (21) and a second limiting plate (23), and an accommodating space is formed between the first limiting plate (21) and the second limiting plate (23);

the method is characterized in that: the method comprises the following steps:

the first limit plate (21) includes:

the limiting column (22) is arranged in the accommodating space, and a preset gap is formed between the limiting column (22) and the first limiting plate (21);

set up in the accommodation space and with fixed knot constructs complex shell fragment (1), shell fragment (1) includes:

the fixing piece (11) is used for being fixed between the first limiting plate (21) and the limiting column (22) in a matched mode;

and the movable sheet (13) connected with the fixed sheet (11) faces the second limiting plate (23) and corresponds to the position of the limiting column (22) to form a groove.

2. The reset structure applied to the customs lock of claim 1, wherein: the elastic sheet (1) is V-shaped.

3. The reset structure applied to the customs lock of claim 1, wherein: two opposite limiting ridges (211) are arranged on the first limiting plate (21).

4. The reset structure applied to a sea-gate lock of claim 1 or 3, wherein: the first limiting plate (21) is connected with the limiting column (22) through a connecting bridge (2122).

5. The reset structure applied to the customs lock of claim 1, wherein: the first limiting plate (21) is provided with a first limiting plate notch (212) at the corresponding position of the limiting column (22).

6. The reset structure applied to the customs lock of claim 1, wherein: and one end of the fixed plate (11) far away from the movable plate (13) is provided with a connecting bridge interface (111) which is matched with the connecting bridge (2122) in size.

7. A reset structure applied to a sea-gate lock according to claim 1 or 2, characterized in that: the bottom of the movable plate (13) is bent inwards to form an arc-shaped contact end (131), and the arc inner side of the contact end (131) faces the first limiting plate (21).

8. A customs lock using the reset structure of any one of claims 1-3, comprising a lock case composed of an upper case (9) and a lower case (8), and a lock catch, an unlocking slider (7), a key cylinder (3) and a password cylinder (4) arranged in the lock case, wherein the unlocking slider (7) is sleeved on the key cylinder (3), the lock catch comprises a lock tongue (10) and a lock tongue matching block (5), the lock tongue (10) is connected with the unlocking slider (7), and the customs lock is characterized by comprising:

the upper shell (9) is provided with the first limiting plate (21) and the second limiting plate (23), and the elastic sheet (1) is arranged on the first limiting plate (21); the contact end (131) of the elastic sheet (1) is elastically abutted against the bolt (10);

the bearing base (61) is horizontally arranged on the lower shell (8), and a lock cylinder offset structure (62) and a movable area positioned in the middle of the limiting structure are arranged on the bearing base (61) in the direction towards the upper shell;

a lock cylinder offset structure (62) horizontally arranged in the active area and located at the bottom of the key lock cylinder (3);

the blocking block (46) is vertically arranged on the bearing base (61), one side of the blocking block (46) is abutted against the lock cylinder offset structure (62), and the other opposite side of the blocking block is connected with a keel (43) of the coded lock cylinder (4);

the lock cylinder offset structure (62) is used for matching the key lock cylinder (3) to rotate, and enables the unlocking slide block (7) to horizontally displace to a preset stroke towards the position of the coded lock cylinder under the limitation of the limit structure and the stop block (46) so as to open the lock catch.

9. The customs lock of claim 8, wherein: said supporting base (61) comprising:

a first bearing surface (613) disposed adjacent to the latch for horizontally supporting horizontal rotation of the plug offset structure (62);

a second bearing surface (612) extending from the first bearing surface and disposed toward the coded lock cylinder position for horizontally supporting horizontal movement of the cylinder biasing structure (62) and the stop block (46).

10. The customs lock of claim 9, wherein: the limit structure comprises:

a first limiting part (611) protruding upwards perpendicular to the first bearing surface (613) for limiting the lock cylinder offset structure (62) from moving out of the first bearing surface (613) to the locking position;

a second limiting part (616) which is vertical to the first bearing surface (613) and protrudes upwards is arranged at a position close to the second bearing surface (612) far away from the first limiting part (611), and one surface of the second limiting part, which is contacted with the lock cylinder offset structure, is an arc surface;

and a third limiting part (614) which is vertical to the first bearing surface (613) and protrudes upwards is arranged at a position close to the second bearing surface, far away from the first limiting part (611) and the second limiting part (616), and the section of one surface of the third limiting part (614) which is contacted with the lock cylinder offset structure is V-shaped.

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