CN117266690A - Detachable coded lock with variable coded length - Google Patents

Abstract

The invention discloses a detachable coded lock with a variable coded length, which comprises a mounting bottom plate, a locking piece, a coded sheet, a confusing sheet, a coded key and a reset key, wherein a connecting support plate, a first guide plate, a guide support plate, a second guide plate and a third guide plate can be sequentially stacked on the mounting bottom plate and can be detached, a guide chute is arranged on the first guide plate, and when the reset key corresponding to the coded sheet is pressed down, the reset key drives the coded sheet to move to the locking position and drives the coded key to move upwards; when the cipher key corresponding to the cipher piece is pressed down, the cipher key drives the cipher piece to move to the unlocking position and drives the reset key to move upwards; when a reset key corresponding to the confusion piece is pressed down, the reset key drives the confusion piece to move to an unlocking position and drives the cipher key to move upwards; when the cipher key corresponding to the confusion piece is pressed down, the cipher key drives the cipher piece to move to the locking position and drives the reset key to move upwards. The invention can be used as a building block toy, can avoid the condition of failure caused by key clamping and ensures the use reliability of the coded lock.

Description

Detachable coded lock with variable coded length

Technical Field

The invention relates to the technical field of coded locks, in particular to a detachable coded lock with a variable coded length.

Background

The mechanical key-type coded lock produced in the market at present is a lock in a complete form, can not be disassembled and piled up to be used as a building block toy, and the conventional coded lock does not have the function of disassembling the building block toy to benefit intelligence. Moreover, when the conventional mechanical key type coded lock is used in severe environments such as humidity for a long time, the key spring is easy to rust and corrode, and the condition that the key is blocked and fails can be possibly caused, so that the coded lock is invalid.

Disclosure of Invention

The invention aims to provide the detachable coded lock with the changeable coded length, so as to solve the problems in the prior art, not only can be used as a building block toy capable of being detached and assembled, but also can be used as the coded lock, is beneficial to training the hands-on ability of children while being entertaining and enthusiasm, and can also avoid the situation of key jamming failure, and ensure the use reliability of the coded lock.

In order to achieve the above object, the present invention provides the following solutions:

the invention provides a detachable coded lock with a variable coded length, which comprises an installation bottom plate, a locking piece, a coded sheet, a confusion sheet, a coded key and a reset key, wherein a connecting support plate, a first guide plate, a guide support plate, a second guide plate and a third guide plate can be sequentially stacked on the installation bottom plate and can be detached, and the locking piece is arranged on the installation bottom plate;

the first guide plate is provided with a plurality of guide sliding grooves, at least one guide sliding groove is connected with the confusion piece in a sliding way, and the other guide sliding grooves are connected with the password piece in a sliding way; the password sheet is provided with a V-shaped groove, the V-shaped groove comprises a first reset inclined plane and a first unlocking inclined plane which are connected with each other to form a V shape, the first reset inclined plane is close to the locking piece, and the first unlocking inclined plane is far away from the locking piece; the confusion piece is provided with an inverted V-shaped bulge, the inverted V-shaped bulge comprises a second reset inclined plane and a second unlocking inclined plane which are connected with each other to form an inverted V shape, the second reset inclined plane is far away from the locking piece, and the second unlocking inclined plane is close to the locking piece;

the guide supporting plate is provided with a plurality of first guide sliding hole groups corresponding to the guide sliding grooves respectively; the first guide sliding hole group comprises first cipher key guide sliding holes and first reset key guide sliding holes which are arranged at intervals, and the guide support plates between the first cipher key guide sliding holes and the first reset key guide sliding holes form a lever support part;

the second guide plate is provided with a plurality of second guide sliding hole groups corresponding to the first guide sliding hole groups respectively; the second guide sliding hole group comprises second cipher key guide sliding holes and second reset key guide sliding holes which are arranged at intervals, and the second cipher key guide sliding holes are communicated with the second reset key guide sliding holes through lever through holes; the second cipher key guide sliding holes are respectively in one-to-one correspondence with the first cipher key guide sliding holes, and the second reset key guide sliding holes are respectively in one-to-one correspondence with the first reset key guide sliding holes;

the third guide plate is provided with a plurality of third guide sliding hole groups which correspond to the second guide sliding hole groups respectively; the third guide sliding hole group comprises third cipher key guide sliding holes and third reset key guide sliding holes which are arranged at intervals; the third cipher key guide sliding holes are respectively in one-to-one correspondence with the second cipher key guide sliding holes, and the third reset key guide sliding holes are respectively in one-to-one correspondence with the second reset key guide sliding holes;

the third cipher key guide sliding hole, the second cipher key guide sliding hole and the first cipher key guide sliding hole are correspondingly connected with the cipher key in a sliding manner, and the third reset key guide sliding hole, the second reset key guide sliding hole and the first reset key guide sliding hole are correspondingly connected with the reset key in a sliding manner; the password key and the reset key are both protruded upwards from the third guide plate;

when the password sheet is connected in the guide chute in a sliding way, the password key corresponds to the first unlocking inclined plane and is arranged above the first unlocking inclined plane, and the reset key corresponds to the first reset inclined plane and is arranged above the first reset inclined plane;

when the confusion piece is connected in the guide chute in a sliding way, the password key corresponds to the second reset inclined plane and is arranged above the second reset inclined plane, and the reset key corresponds to the second unlocking inclined plane and is arranged above the second unlocking inclined plane;

the cipher key and the reset key corresponding to the same cipher sheet or the same confusion sheet are connected through a lever, and the lever is arranged in the lever through hole and supported on the lever supporting part;

when the reset key corresponding to the password sheet is pressed down, the reset key can drive the password sheet to move to a locking position through the first reset inclined plane, the locking piece is locked, and meanwhile, under the action of the lever and the lever supporting part, the password key connected with the reset key is driven to move upwards; when the cipher key corresponding to the cipher piece is pressed down, the cipher key can drive the cipher piece to move to an unlocking position through the first unlocking inclined plane, the locking piece is unlocked, and meanwhile, under the action of the lever and the lever supporting part, the reset key connected with the cipher key is driven to move upwards;

when the reset key corresponding to the confusion piece is pressed down, the reset key can drive the confusion piece to move to an unlocking position through the second unlocking inclined plane, the locking piece is unlocked, and meanwhile, under the action of the lever and the lever supporting part, the cipher key connected with the reset key is driven to move upwards; when the cipher key corresponding to the confusion piece is pressed down, the cipher key can drive the confusion piece to move to a locking position through the second reset inclined plane, the locking piece is locked, and meanwhile, under the action of the lever and the lever supporting part, the reset key connected with the cipher key is driven to move upwards.

Preferably, the cipher key and the reset key are provided with a limiting protrusion, the first cipher key guiding sliding hole, the first reset key guiding sliding hole, the second cipher key guiding sliding hole and the second reset key guiding sliding hole allow the limiting protrusion to move up and down in the hole, and the third cipher key guiding sliding hole and the third guiding plate outside the third reset key guiding sliding hole form a limit for the limiting protrusion to prevent the limiting protrusion from passing through.

Preferably, the mounting bottom plate is a circular bottom plate, the supporting plate is provided with a mounting hole coaxial with the circular bottom plate, the locking piece is a circular locking disc coaxial with the mounting hole, and the lower end of the locking disc is provided with a locking step;

the first guide plates are circular guide plates coaxial with the circular bottom plate, the guide sliding grooves are circumferentially distributed on the first guide plates at intervals and extend along the radial direction, and through holes allowing the locking disc to move upwards for unlocking are formed in the middle of the first guide plates;

the coded sheet or the confusing sheet moves inwards along the radial direction of the guide sliding groove and presses down on the locking step to lock the locking disc, or moves outwards along the radial direction to be separated from the locking step to unlock the locking disc.

Preferably, the guide supporting plate, the second guide plate and the third guide plate are all circular plates, have the same diameter as the first guide plate and are coaxially arranged, and the first guide plate has the same diameter as the mounting bottom plate;

the supporting plate comprises a supporting circular plate and a fixed locking plate fixedly connected with the supporting circular plate, the supporting circular plate and the mounting bottom plate are equal in diameter and are arranged coaxially, and the fixed locking plate is arranged in a radial outward extending mode and is provided with a locking hole at one end far away from the circle center;

the middle part of the locking disc is connected with a connecting rod, the connecting rod passes through the guide supporting plate, the second guide plate and the third guide plate to be connected with one end of a locking arm, the other end of the locking arm is connected with one end of a locking shaft, and the other end of the locking shaft extends downwards into the locking hole; when the locking disc moves upwards, the locking shaft can be driven to be separated from the locking hole so as to realize unlocking.

Preferably, the mounting bottom plate is a square bottom plate, the locking piece is a strip-shaped locking plate, the first guide plate is a square guide plate, the first guide plate and the strip-shaped locking plate are respectively arranged on two sides of the square bottom plate, and the strip-shaped locking plate is arranged on the square bottom plate in a sliding manner along the length direction of the strip-shaped locking plate;

each guide chute is arranged at intervals along the length direction of the first guide plate and is perpendicular to the long-strip-shaped lock plate in an extending mode, and locking holes corresponding to the guide chutes are formed in the long-strip-shaped lock plate;

the password sheet or the confusion sheet moves along the guide sliding groove to be close to the long-strip-shaped locking plate and stretches into the locking hole to lock the long-strip-shaped locking plate, or moves away from the long-strip-shaped locking plate to be separated from the locking hole to unlock the long-strip-shaped locking plate.

Preferably, one side of the strip-shaped lock plate, which is opposite to the first guide plate, is limited by a limiting fixing plate, the limiting fixing plate is fixedly connected to the square bottom plate by a bolt, and the strip-shaped lock plate is slidably arranged between the first guide plate and the limiting fixing plate.

Preferably, the guide supporting plate and the first guide plate are arranged on the same side of the strip-shaped locking plate, the second guide plate is arranged above the strip-shaped locking plate and covers the guide supporting plate and the limit fixing plate, and the strip-shaped locking plate is limited between the second guide plate and the square bottom plate;

the second guide plate is a square guide plate with the same shape as the square bottom plate;

the third guide plate is a square guide plate with the same shape as the square bottom plate.

Preferably, the mounting bottom plate, the supporting plate, the first guide plate, the guide supporting plate, the second guide plate and the third guide plate are fixedly connected through countersunk screws.

Compared with the prior art, the invention has the following technical effects:

the invention provides a detachable coded lock with a changeable coded length, which is characterized in that the coded length can be changed by arranging different numbers of coded sheets and confusion sheets, and a locking piece can be locked or unlocked by operating a coded key and a reset key. The detachable coded lock with the variable coded length can be used as a coded lock and a building block toy which can be detached and assembled, and is beneficial to training the practical ability of children while entertainment is enthusiasm.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a detachable code length variable code lock according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a removable code length changeable code lock according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a support plate according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a first guide plate according to a first embodiment of the present invention;

FIG. 5 is a schematic view illustrating a connection structure between a locking member and a connecting rod according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of a guide support plate according to a first embodiment of the present invention;

fig. 7 is a schematic structural view of a second guide plate according to the first embodiment of the present invention;

fig. 8 is a schematic structural view of a third guide plate according to the first embodiment of the present invention;

FIG. 9 is a schematic diagram of the structural relationship between a code sheet and a code key and a reset key in the present invention;

FIG. 10 is a schematic diagram of the structural relationship between a confusion piece and a cipher key and a reset key in the present invention;

FIG. 11 is a top view of a removable code length changeable code lock according to a first embodiment of the present invention;

FIG. 12 is a schematic diagram showing the structural relationship between a cipher key and a reset key above the cipher key, and a confusion piece and a cipher key, a reset key and a locking disc above the confusion piece in the first embodiment of the present invention;

FIG. 13 is a cross-sectional view A-A of FIG. 11;

FIG. 14 is a cross-sectional view B-B of FIG. 11;

FIG. 15 is a schematic diagram of a detachable code length variable code lock according to a second embodiment of the present invention;

FIG. 16 is an exploded view of a variable code length removable code lock according to a second embodiment of the present invention;

fig. 17 is a schematic structural view of a first guide plate in a second embodiment of the present invention;

fig. 18 is a schematic structural view of a guide support plate in the second embodiment of the present invention;

fig. 19 is a schematic structural view of a second guide plate in the second embodiment of the present invention;

fig. 20 is a schematic structural view of a third guide plate in the second embodiment of the present invention;

fig. 21 is a schematic structural view of a locking member in the second embodiment of the invention;

FIG. 22 is a top view of a removable code length changeable code lock according to a second embodiment of the present invention;

FIG. 23 is a schematic diagram showing the structural relationship between a cipher key and a reset key above the cipher key, and a confusion piece and a cipher key, a reset key and a strip lock plate above the confusion piece in a second embodiment of the present invention

FIG. 24 is a cross-sectional view of C-C of FIG. 22;

FIG. 25 is a sectional view D-D of FIG. 22;

fig. 26 is a sectional view of E-E of fig. 22.

In the figure: 1-mounting base plate, 2-locking piece, 3-cipher piece, 4-confusion piece, 5-cipher key, 6-reset key, 7-backup plate, 8-first guide plate, 9-guide backup plate, 10-second guide plate, 11-third guide plate, 12-guide slide groove, 13-V-groove, 14-first reset slope, 15-first unlocking slope, 16-inverted V-shaped protrusion, 17-second reset slope, 18-second unlocking slope, 19-first cipher key guide slide hole, 20-first reset key guide slide hole, 21-lever support portion, 22-second cipher key guide slide hole, 23-second reset key guide slide hole, 24-lever via hole, 25-third cipher key guide slide hole, 26-third reset key guide slide hole, 27-lever, 28-limit protrusion, 29-mounting hole, 30-locking step, 31-through hole, 32-support, 33-fixed lock plate, 34-lock hole, 35-connecting rod, 36-37-lock shaft, 38-lock arm, 39-fixed lock plate, and 39-limit stop fixed plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention aims to provide the detachable coded lock with the changeable coded length, so as to solve the problems in the prior art, not only can be used as a building block toy capable of being detached and assembled, but also can be used as the coded lock, is beneficial to training the hands-on ability of children while being entertaining and enthusiasm, and can also avoid the situation of key jamming failure, and ensure the use reliability of the coded lock.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Example 1

As shown in fig. 1 to 14, the present embodiment provides a detachable coded lock with a variable coded length, which includes a mounting base plate 1, a locking member 2, a coded sheet 3, a confusion sheet 4, a coded key 5 and a reset key 6, wherein the mounting base plate 1 is sequentially stacked and can be detached from a connection support plate 7, a first guide plate 8, a guide support plate 9, a second guide plate 10 and a third guide plate 11, and the locking member 2 is disposed on the mounting base plate 1;

the first guide plate 8 is provided with a plurality of guide sliding grooves 12, at least one guide sliding groove 12 is connected with the confusion piece 4 in a sliding way, and the other guide sliding grooves 12 are connected with the password piece 3 in a sliding way; the password sheet 3 is provided with a V-shaped groove 13, the V-shaped groove 13 comprises a first reset inclined plane 14 and a first unlocking inclined plane 15 which are connected with each other to form a V shape, the first reset inclined plane 14 is close to the locking piece 2, and the first unlocking inclined plane 15 is far away from the locking piece 2; the confusion piece 4 is provided with an inverted V-shaped bulge 16, the inverted V-shaped bulge 16 comprises a second reset inclined plane 17 and a second unlocking inclined plane 18 which are mutually connected to form an inverted V shape, the second reset inclined plane 17 is far away from the locking piece 2, and the second unlocking inclined plane 18 is close to the locking piece 2;

the guide supporting plate 9 is provided with a plurality of first guide sliding hole groups corresponding to the guide sliding grooves 12 respectively; the first guide sliding hole group comprises first cipher key guide sliding holes 19 and first reset key guide sliding holes 20 which are arranged at intervals, and a guide supporting plate 9 between the first cipher key guide sliding holes 19 and the first reset key guide sliding holes 20 forms a lever supporting part 21;

the second guide plate 10 is provided with a plurality of second guide sliding hole groups corresponding to the first guide sliding hole groups respectively; the second guide sliding hole group comprises second cipher key guide sliding holes 22 and second reset key guide sliding holes 23 which are arranged at intervals, and the second cipher key guide sliding holes 22 and the second reset key guide sliding holes 23 are communicated through lever through holes 24; the second cipher key guiding sliding holes 22 are respectively in one-to-one correspondence with the first cipher key guiding sliding holes 19, and the second reset key guiding sliding holes 23 are respectively in one-to-one correspondence with the first reset key guiding sliding holes 20;

the third guide plate 11 is provided with a plurality of third guide sliding hole groups corresponding to the second guide sliding hole groups respectively; the third guide sliding hole group comprises third cipher key guide sliding holes 25 and third reset key guide sliding holes 26 which are arranged at intervals; the third cipher key guiding sliding holes 25 are respectively in one-to-one correspondence with the second cipher key guiding sliding holes 22, and the third reset key guiding sliding holes 26 are respectively in one-to-one correspondence with the second reset key guiding sliding holes 23;

the corresponding third cipher key guiding slide hole 25, second cipher key guiding slide hole 22 and first cipher key guiding slide hole 19 are in sliding connection with the cipher key 5, and the corresponding third reset key guiding slide hole 26, second reset key guiding slide hole 23 and first reset key guiding slide hole 20 are in sliding connection with the reset key 6; the cipher key 5 and the reset key 6 are both protruded upwards from the third guide plate 11;

when the password sheet 3 is slidingly connected in the guide chute 12, the password key 5 corresponds to the first unlocking inclined plane 15 and is arranged above the first unlocking inclined plane 15, and the reset key 6 corresponds to the first reset inclined plane 14 and is arranged above the first reset inclined plane 14;

when the confusion piece 4 is slidingly connected in the guide chute 12, the cipher key 5 corresponds to the second reset inclined plane 17 and is arranged above the second reset inclined plane 17, and the reset key 6 corresponds to the second unlocking inclined plane 18 and is arranged above the second unlocking inclined plane 18;

the cipher key 5 and the reset key 6 corresponding to the same cipher sheet 3 or the same confusion sheet 4 are connected through a lever 27, and the lever 27 is arranged in the lever through hole 24 and is supported on the lever supporting part 21;

when the reset key 6 corresponding to the cipher piece 3 is pressed down, the reset key 6 can drive the cipher piece 3 to move to a locking position through the first reset inclined plane 14 to lock the locking piece 2, and simultaneously, under the action of the lever 27 and the lever supporting part 21, the cipher key 5 connected with the reset key 6 is driven to move upwards; when the cipher key 5 corresponding to the cipher piece 3 is pressed down, the cipher key 5 can drive the cipher piece 3 to move to an unlocking position through the first unlocking inclined plane 15 to unlock the locking piece 2, and simultaneously, under the action of the lever 27 and the lever supporting part 21, the reset key 6 connected with the cipher key 5 is driven to move upwards;

when the reset key 6 corresponding to the confusion piece 4 is pressed down, the reset key 6 can drive the confusion piece 4 to move to the unlocking position through the second unlocking inclined plane 18, unlock the locking piece 2, and simultaneously drive the cipher key 5 connected with the reset key 6 to move upwards under the action of the lever 27 and the lever supporting part 21; when the cipher key 5 corresponding to the confusion piece 4 is pressed down, the cipher key 5 can drive the confusion piece 4 to move to the locking position through the second reset inclined plane 17, the locking piece 2 is locked, and meanwhile, under the action of the lever 27 and the lever supporting part 21, the reset key 6 connected with the cipher key 5 is driven to move upwards.

In this embodiment, 10 guide sliding grooves 12 are provided on the first guide plate 8, and in each guide sliding groove 12, a code sheet 3 or an confusion sheet 4 is provided according to the requirement of use, for example, 1 confusion sheet 4 and 9 code sheets 3 may be provided, or 2 confusion sheets 4 and 8 code sheets 3 may be provided, where only one code sheet 3 and one confusion sheet 4 are shown in the drawing, and other code sheets 3 and confusion sheets 4 are not shown. By arranging the cipher sheet 3 and the confusion sheet 4, the user knows the positions of the cipher key 5 and the reset key 6 corresponding to the cipher sheet 3 and the positions of the cipher key 5 and the reset key 6 corresponding to the confusion sheet 4, so that in the unlocking process, the unlocking purpose can be realized by correctly operating each cipher key 5 and the reset key 6. The password length of the password sheet 3 and the confusion sheet 4 with different numbers can be changed to adjust the unlocking difficulty of the password lock. When the cipher key 5 and the reset key 6 are operated, due to the arrangement of the lever 27 between the cipher key 5 and the reset key, one key is pressed down, the other key can be correspondingly lifted upwards, the linkage structure of the cipher key 5 and the reset key 6 can ensure the action flexibility of the two keys, avoid the condition that the keys are blocked and fail, and ensure the use reliability of the cipher lock. The detachable coded lock with the variable coded length can be used as a coded lock and also can be used as a building block toy capable of being detached and assembled, and the toy is favorable for training the practical ability of children while the enthusiasm of entertainment.

In this embodiment, the limiting protrusion 28 is disposed on the code key 5 and the reset key 6, the first code key guiding sliding hole 19, the first reset key guiding sliding hole 20, the second code key guiding sliding hole 22 and the second reset key guiding sliding hole 23 allow the limiting protrusion 28 to move up and down in the holes, and the third guide plate 11 outside the third code key guiding sliding hole 25 and the third reset key guiding sliding hole 26 limits the limiting protrusion 28 and prevents the limiting protrusion 28 from passing through. Through the setting of spacing protruding 28, can guarantee that cipher key 5 and reset key 6 can not upwards break away from third deflector 11 in the slip in-process, guarantee the reliability of trick lock use.

In the embodiment, the installation bottom plate 1 is a circular bottom plate, the supporting plate 7 is provided with an installation hole 29 coaxial with the circular bottom plate, the locking piece 2 is a circular locking disc coaxial with the installation hole 29, and the lower end of the locking disc is provided with a locking step 30;

the first guide plate 8 is a circular guide plate coaxial with the circular bottom plate, the guide sliding grooves 12 are circumferentially distributed on the first guide plate 8 at intervals and extend along the radial direction, and a through hole 31 for allowing the locking disc to move upwards for unlocking is formed in the middle of the first guide plate 8;

the combination piece 3 or the confusing piece 4 moves radially inwards along the guide chute 12 and presses down on the locking step 30 to lock the locking disc, or moves radially outwards to disengage from the locking step 30 to unlock the locking disc.

In this embodiment, the guide supporting plate 9, the second guide plate 10 and the third guide plate 11 are all circular plates and are arranged coaxially with the first guide plate 8, and the diameter of the first guide plate 8 is equal to that of the installation bottom plate 1;

the supporting plate 7 comprises a supporting circular plate 32 and a fixed locking plate 33 fixedly connected with the supporting circular plate 32, the supporting circular plate 32 and the mounting bottom plate 1 are equal in diameter and are coaxially arranged, the fixed locking plate 33 is arranged in a radial outward extending mode, and a locking hole 34 is formed in one end away from the circle center;

the middle part of the locking disc is connected with a connecting rod 35, the connecting rod 35 passes through the guide support plate 9, the second guide plate 10 and the third guide plate 11 to be connected with one end of a locking arm 36, the other end of the locking arm 36 is connected with one end of a locking shaft 37, and the other end of the locking shaft 37 extends downwards into the locking hole 34; when the locking disk moves upwards, the locking shaft 37 can be driven to be separated from the locking hole 34 so as to realize unlocking.

Example two

As shown in fig. 15-26, the present embodiment provides a detachable coded lock with a variable coded length, which is different from the first embodiment in that, in the present embodiment, the installation base plate 1 is a square base plate, the locking member 2 is a rectangular lock plate, the first guide plate 8 is a square guide plate, the first guide plate 8 and the rectangular lock plate are respectively disposed at two sides of the square base plate, and the rectangular lock plate is slidably disposed on the square base plate along the length direction thereof;

the guide sliding grooves 12 are arranged at intervals along the length direction of the first guide plate 8 and extend perpendicular to the strip-shaped locking plate, and locking holes 38 corresponding to the guide sliding grooves 12 are formed in the strip-shaped locking plate;

the code sheet 3 or the confusing sheet 4 moves along the guiding chute 12 to approach the strip-shaped locking plate and extend into the locking hole 38 to lock the strip-shaped locking plate, or moves away from the strip-shaped locking plate to separate from the locking hole 38 to unlock the strip-shaped locking plate. After the code sheet 3 or the confusion sheet 4 extends into the locking hole 38, the strip-shaped locking plate is locked and cannot move; after the coded sheet 3 or the confusing sheet 4 is separated from the locking hole 38, the strip-shaped locking plate can slide along the length direction of the strip-shaped locking plate, so that the unlocking purpose is realized.

In this embodiment, 10 guide sliding grooves 12 are disposed on the first guide plate 8 along the length direction thereof, and code pieces 3 or confusion pieces 4 are disposed in each guide sliding groove 12 according to the requirement of use, for example, 1 confusion piece 4 and 9 code pieces 3 may be disposed, or 2 confusion pieces 4 and 8 code pieces 3 may be disposed, only one code piece 3 and one confusion piece 4 are shown in the drawing, and other code pieces 3 and confusion pieces 4 are not shown.

In this embodiment, one side of the strip lock plate, which is opposite to the first guide plate 8, is limited by a limiting fixing plate 39, the limiting fixing plate 39 is fixedly connected to the square bottom plate by a bolt, and the strip lock plate is slidably arranged between the first guide plate 8 and the limiting fixing plate 39. Specifically, three limit fixing plates 39 are provided, and the three limit fixing plates 39 are stacked together.

In this embodiment, the guiding support plate 9 and the first guiding plate 8 are disposed on the same side of the elongated locking plate, and the second guiding plate 10 is disposed above the elongated locking plate and covers the guiding support plate 9 and the limiting and fixing plate 39, so that the elongated locking plate is limited between the second guiding plate 10 and the square bottom plate;

the second guide plate 10 is a square guide plate with the same shape as the square bottom plate;

the third guide plate 11 is a square guide plate having the same shape as the square bottom plate.

In this embodiment, the mounting base plate 1, the support plate 7, the first guide plate 8, the guide support plate 9, the second guide plate 10 and the third guide plate 11 are fixedly connected by countersunk screws.

The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (8)

1. The utility model provides a changeable trick lock of detachable code length which characterized in that: the password card comprises a mounting bottom plate, a locking piece, a password sheet, an confusion sheet, a password key and a reset key, wherein the mounting bottom plate is sequentially stacked and can be used for disassembling a connecting support plate, a first guide plate, a guide support plate, a second guide plate and a third guide plate, and the locking piece is arranged on the mounting bottom plate;

the first guide plate is provided with a plurality of guide sliding grooves, at least one guide sliding groove is connected with the confusion piece in a sliding way, and the other guide sliding grooves are connected with the password piece in a sliding way; the password sheet is provided with a V-shaped groove, the V-shaped groove comprises a first reset inclined plane and a first unlocking inclined plane which are connected with each other to form a V shape, the first reset inclined plane is close to the locking piece, and the first unlocking inclined plane is far away from the locking piece; the confusion piece is provided with an inverted V-shaped bulge, the inverted V-shaped bulge comprises a second reset inclined plane and a second unlocking inclined plane which are connected with each other to form an inverted V shape, the second reset inclined plane is far away from the locking piece, and the second unlocking inclined plane is close to the locking piece;

the guide supporting plate is provided with a plurality of first guide sliding hole groups corresponding to the guide sliding grooves respectively; the first guide sliding hole group comprises first cipher key guide sliding holes and first reset key guide sliding holes which are arranged at intervals, and the guide support plates between the first cipher key guide sliding holes and the first reset key guide sliding holes form a lever support part;

the second guide plate is provided with a plurality of second guide sliding hole groups corresponding to the first guide sliding hole groups respectively; the second guide sliding hole group comprises second cipher key guide sliding holes and second reset key guide sliding holes which are arranged at intervals, and the second cipher key guide sliding holes are communicated with the second reset key guide sliding holes through lever through holes; the second cipher key guide sliding holes are respectively in one-to-one correspondence with the first cipher key guide sliding holes, and the second reset key guide sliding holes are respectively in one-to-one correspondence with the first reset key guide sliding holes;

the third guide plate is provided with a plurality of third guide sliding hole groups which correspond to the second guide sliding hole groups respectively; the third guide sliding hole group comprises third cipher key guide sliding holes and third reset key guide sliding holes which are arranged at intervals; the third cipher key guide sliding holes are respectively in one-to-one correspondence with the second cipher key guide sliding holes, and the third reset key guide sliding holes are respectively in one-to-one correspondence with the second reset key guide sliding holes;

the third cipher key guide sliding hole, the second cipher key guide sliding hole and the first cipher key guide sliding hole are correspondingly connected with the cipher key in a sliding manner, and the third reset key guide sliding hole, the second reset key guide sliding hole and the first reset key guide sliding hole are correspondingly connected with the reset key in a sliding manner; the password key and the reset key are both protruded upwards from the third guide plate;

when the password sheet is connected in the guide chute in a sliding way, the password key corresponds to the first unlocking inclined plane and is arranged above the first unlocking inclined plane, and the reset key corresponds to the first reset inclined plane and is arranged above the first reset inclined plane;

when the confusion piece is connected in the guide chute in a sliding way, the password key corresponds to the second reset inclined plane and is arranged above the second reset inclined plane, and the reset key corresponds to the second unlocking inclined plane and is arranged above the second unlocking inclined plane;

the cipher key and the reset key corresponding to the same cipher sheet or the same confusion sheet are connected through a lever, and the lever is arranged in the lever through hole and supported on the lever supporting part;

when the reset key corresponding to the password sheet is pressed down, the reset key can drive the password sheet to move to a locking position through the first reset inclined plane, the locking piece is locked, and meanwhile, under the action of the lever and the lever supporting part, the password key connected with the reset key is driven to move upwards; when the cipher key corresponding to the cipher piece is pressed down, the cipher key can drive the cipher piece to move to an unlocking position through the first unlocking inclined plane, the locking piece is unlocked, and meanwhile, under the action of the lever and the lever supporting part, the reset key connected with the cipher key is driven to move upwards;

when the reset key corresponding to the confusion piece is pressed down, the reset key can drive the confusion piece to move to an unlocking position through the second unlocking inclined plane, the locking piece is unlocked, and meanwhile, under the action of the lever and the lever supporting part, the cipher key connected with the reset key is driven to move upwards; when the cipher key corresponding to the confusion piece is pressed down, the cipher key can drive the confusion piece to move to a locking position through the second reset inclined plane, the locking piece is locked, and meanwhile, under the action of the lever and the lever supporting part, the reset key connected with the cipher key is driven to move upwards.

2. The removable code length changeable code lock of claim 1 wherein: the password key and be equipped with spacing arch on the key that resets, first password key direction slide hole, first key direction slide hole that resets second password key direction slide hole and second key direction slide hole allow spacing arch reciprocates in its downthehole, third password key direction slide hole with the third deflector outside the key direction slide hole that resets is right spacing protruding forms spacingly, prevents spacing arch passes through.

3. The removable code length changeable code lock of claim 1 wherein: the mounting bottom plate is a circular bottom plate, the supporting plate is provided with a mounting hole coaxial with the circular bottom plate, the locking piece is a circular locking disc coaxial with the mounting hole, and the lower end of the locking disc is provided with a locking step;

the first guide plates are circular guide plates coaxial with the circular bottom plate, the guide sliding grooves are circumferentially distributed on the first guide plates at intervals and extend along the radial direction, and through holes allowing the locking disc to move upwards for unlocking are formed in the middle of the first guide plates;

the coded sheet or the confusing sheet moves inwards along the radial direction of the guide sliding groove and presses down on the locking step to lock the locking disc, or moves outwards along the radial direction to be separated from the locking step to unlock the locking disc.

4. A removable code length changeable code lock according to claim 3, wherein: the guide supporting plate, the second guide plate and the third guide plate are circular plates, are equal in diameter to the first guide plate and are coaxially arranged, and the first guide plate is equal in diameter to the mounting bottom plate;

the supporting plate comprises a supporting circular plate and a fixed locking plate fixedly connected with the supporting circular plate, the supporting circular plate and the mounting bottom plate are equal in diameter and are arranged coaxially, and the fixed locking plate is arranged in a radial outward extending mode and is provided with a locking hole at one end far away from the circle center;

the middle part of the locking disc is connected with a connecting rod, the connecting rod passes through the guide supporting plate, the second guide plate and the third guide plate to be connected with one end of a locking arm, the other end of the locking arm is connected with one end of a locking shaft, and the other end of the locking shaft extends downwards into the locking hole; when the locking disc moves upwards, the locking shaft can be driven to be separated from the locking hole so as to realize unlocking.

5. The removable code length changeable code lock of claim 1 wherein: the mounting bottom plate is a square bottom plate, the locking piece is a strip-shaped locking plate, the first guide plate is a square guide plate, the first guide plate and the strip-shaped locking plate are respectively arranged on two sides of the square bottom plate, and the strip-shaped locking plate is arranged on the square bottom plate in a sliding manner along the length direction of the strip-shaped locking plate;

each guide chute is arranged at intervals along the length direction of the first guide plate and is perpendicular to the long-strip-shaped lock plate in an extending mode, and locking holes corresponding to the guide chutes are formed in the long-strip-shaped lock plate;

the password sheet or the confusion sheet moves along the guide sliding groove to be close to the long-strip-shaped locking plate and stretches into the locking hole to lock the long-strip-shaped locking plate, or moves away from the long-strip-shaped locking plate to be separated from the locking hole to unlock the long-strip-shaped locking plate.

6. The removable code length changeable code lock of claim 5 wherein: the rectangular lock plate is opposite to one side of the first guide plate and is limited by the limiting fixing plate, the limiting fixing plate is fixedly connected to the square bottom plate through bolts, and the rectangular lock plate is slidably arranged between the first guide plate and the limiting fixing plate.

7. The removable code length changeable code lock of claim 6 wherein: the guide supporting plate and the first guide plate are arranged on the same side of the strip-shaped lock plate, the second guide plate is arranged above the strip-shaped lock plate and covers the guide supporting plate and the limit fixing plate, and the strip-shaped lock plate is limited between the second guide plate and the square bottom plate;

the second guide plate is a square guide plate with the same shape as the square bottom plate;

the third guide plate is a square guide plate with the same shape as the square bottom plate.

8. The removable code length changeable code lock of claim 1 wherein: the mounting bottom plate, the supporting plate, the first guide plate, the guide supporting plate, the second guide plate and the third guide plate are fixedly connected through countersunk screws.