TW201809432A - Structure for rotary disc lock and key - Google Patents

Abstract

The invention relates to a structure for a rotary disc lock and a key. Primarily, anti-theft rotary discs are provided within the rotary disc lock, and at least one protrusion is formed within a locking hole of each anti-theft rotary disc. Furthermore, at least one accommodating portion for receiving the protrusion is formed on a key rod. Accordingly, when each rotary disc of the rotary disc lock is driven by the key rod so that a notch of each rotary disc corresponds to a slot of a locking core, each anti-theft rotary disc having a notch corresponding to the slot of the locking core will not be rotated, and the notch of each anti-theft rotary disc is aligned in a straight line with the notch of each rotary disc for unlocking after a latch falls down. Thus when thieves proceed with unlocking with a unlocking tool without the accommodating portion for receiving the protrusion of each anti-theft rotary disc, each anti-theft rotary disc having the notch corresponding to the slot of the locking core will be rotated, and the notch of each anti-theft rotary disc will be removed from the corresponding position of the slot of the locking core. Thus the latch will not fall down. By the structure and design of the anti-theft rotary disc and the key rod, it can enhance the difficulty of unlocking to achieve a good anti-theft effect.

Description

Rotary disc lock and key structure

The invention relates to a rotary disc lock and a key structure, in particular to an anti-theft rotary disc, wherein the locking hole is formed with two convex portions, and a receiving portion for the convex portion is formed on the key shaft, according to which Special anti-theft disc and key lever structure to improve the difficulty of unlocking the disc lock and key structure.

According to the lock, the safety of personal life and property is very important. In order to prevent valuable items such as houses, cars and safes from being invaded by thieves, people will install various locks on houses, cars and safes. There are many types of locks, including pin locks, number locks, rotary disc locks, etc. Each type of lock has its own characteristics. Among them, the rotary disc lock is a relatively sophisticated and complex lock, which is widely used in the protection of high-grade door fans.

The existing rotary disc lock system is mainly composed of a rotary disc set, a lock core, a lock core shell and a lock bolt. The rotary disc set is arranged in the lock core, and is composed of a plurality of rotary discs arranged side by side, and the lock core is placed in the lock. In the heart shell, the lock bolt is inserted between the lock core and the lock core shell to control the lock core from rotating. When the implementation is carried out, the key lever is inserted into the keyhole of the corresponding key in the center of each rotary disc by the key hole of the lock core shell, and the key is provided on the key shaft and the shape of the lock hole of each rotary disc is relatively correct, so that the key can be made. The rod drives the rotary discs to rotate, and the outer peripheral edges of the respective rotary discs are arranged in a staggered arrangement, and the rotation is such that the bolt slots of the respective rotary discs are aligned in a straight line. At this time, the bolts fall into the bolts of the respective rotary discs. In the slot, the position of the latch between the lock core and the lock core shell enables the lock core to be rotated and unlocked, whereby the lock holes provided on the plurality of rotary discs have different shapes, so as to improve the difficulty of unlocking, so that the thief cannot easily unlock the lock. Aft theft.

However, since the shape of the keyhole of each of the rotary discs is circular, semi-circular or rectangular, the thief can easily use the thin master key or the flat unlock according to the prior art without special shape change. The tool or the like invades the keyhole of the rotary disc lock, and then rotates the rotary disc to open the lock, which causes loss of property and even life safety hazard. Therefore, the existing rotary disc lock design has been difficult to prevent the thief from invading.

Therefore, the present inventors have in view of the above-mentioned anti-theft use in the use of the existing disc lock, and have been assisted by the manufacturing and design experience and knowledge of the related fields for many years, and have been researched and developed for the existing disc locks. Improvement, and research and development of the present invention.

The invention relates to a rotary disc lock and a key structure, and the main purpose thereof is to provide a convex portion formed on the keyhole of the anti-theft rotary disc, and to form a corresponding portion of the convex portion. According to this special anti-theft disc and key lever structure, to improve the difficulty of unlocking the disc lock and key structure.

In order to achieve the above-mentioned implementation purposes, the inventors have developed the following disc lock and key structure, which includes:

a rotary disc lock, the rotary disc lock system comprises a plurality of rotary discs arranged side by side, and a lock hole is formed in the center of each rotary disc, and a bolt groove is formed in the outer edge of each rotary disc, and a lock core is further provided. The plurality of rotary discs are placed in the lock cavity of the lock core, and a side of the lock core is provided with a long groove-shaped notch formed along the axial direction thereof, and the notch is connected with the lock cavity, and another lock is provided. The core shell is such that the lock core that houses the rotary disc is placed in the chamber of the lock core shell, and a lock bolt is inserted between the lock core and the lock core shell, and the lock bolt is located at the gap of the lock core a fixing block is fixed at the opening of the chamber of the lock core housing, so that the rotary disc group, the lock core and the lock bolt are fixed in the lock core shell, and a central portion is formed in the fixed block a keyhole corresponding to the keyhole of each of the rotary discs;

A key includes a handle and a key lever assembled with the handle, the key lever is inserted into the lock hole of each rotary disc by the key hole of the rotary disc lock fixing block, and the key is A tooth groove is formed on the rod, and the shape of the groove corresponds to a shape formed by the arrangement of the keyholes of each of the rotary discs; and the feature is:

At least one anti-theft disc is disposed such that the anti-theft disc is arranged side by side with the plurality of discs to be received in the lock cavity of the lock core, and the anti-theft disc is formed with a lock hole at the center to match each of the discs The locking hole is coaxially set, and a slot is recessed in the outer edge of the anti-theft disc, and the anti-theft disc has a convex portion at least one side of the locking hole thereof, and the key is at least one key post thereof a side surface is formed with a guide groove portion formed along the axial direction of the key shaft, wherein the convex portion of the anti-theft disc has a corresponding position of the locking hole, and the key rod is formed with at least one receiving portion for the The convex portion of the anti-theft disc is accommodated therein, and the anti-theft disc is formed with a keyhole rotation section.

The disk lock and key structure as described above, wherein the receiving portion of the key bar is a through hole, such that the through hole is located at the opposite sides of the guide groove portion of the key bar, and the through hole is The other side faces of the key bar are penetrated, and the channel portion is communicated with the through hole.

a disc lock and key structure as described above, wherein the housing portion of the key lever is at least one recess such that the at least one recess is located at a guide groove portion of the key lever, and the pit depth is Beyond the center of the key fob.

The disc lock and key structure as described above, wherein the anti-theft disc is provided with two pieces, so that at least one disc is disposed between the two anti-theft discs, and the key lever is corresponding to one anti-rotation disc The accommodating portion is formed in the convex portion of the anti-theft disc.

The disc lock and key structure as described above, wherein the anti-theft disc has a rectangular hole formed in the keyhole thereof, and the rectangular hole has a long groove portion connected to each of the short sides thereof, and the two long groove portions are formed In the reverse direction, the two long groove portions are opposite to the rectangular hole, and the other side is concavely provided with a curved portion, so that the long groove portion and the curved portion form the key bar rotation interval, and the rectangular hole is doubled. The convex portion is provided in each of the long sides.

The disc lock and key structure as described above, wherein the anti-theft disc has a rectangular hole formed in the keyhole thereof, and the rectangular hole has a long groove portion connected to each of the short sides thereof, and the two long groove portions are formed In the reverse direction, the two long groove portions are opposite to the rectangular hole, and the other side is concavely provided with a curved portion, so that the long groove portion and the curved portion form the key bar rotation interval, and the rectangular hole is doubled. The convex portion is provided in each of the long sides.

The disc lock and key structure as described above, wherein the key has a rectangular shape in a cross section thereof, and the guide rod portion of the key shaft is formed on opposite sides of the key lever, and the key lever is two The side guide groove portion is formed in a staggered position, and the anti-theft disc has a convex portion connected to the opposite sides of the lock hole, and the two convex portions are respectively corresponding to the guide groove disposed on the two sides of the key rod. And the at least one through hole is formed in the opposite side of the guide rod portion of the key shaft to form a receiving portion of the key rod, and the through hole is communicated with the two guiding portions for The two convex portions of the anti-theft disc are correspondingly accommodated in the through hole.

The disc lock and key structure as described above, wherein the key has a rectangular shape in a cross section thereof, and the guide rod portion of the key shaft is formed on opposite sides of the key lever, and the key lever has two sides thereof The guiding groove portion is formed in a staggered position, and the anti-theft rotating disc piece is respectively provided with a convex portion on opposite sides of the locking hole, and the two convex portions are respectively corresponding to the guiding groove disposed on the two sides of the key shaft. In the portion, the key lever is further provided with at least one recess at the two guide groove portions, and the depth of the recess exceeds the center of the key shaft to form a receiving portion of the key lever for the anti-theft disc The two convex portions are correspondingly received in the pits on both sides of the key rod.

The disc lock and key structure as described above, wherein the key has a semicircular cross section of the key stem, and the guide groove portion of the key stem is formed on the flat surface of the semicircular key lever, and The anti-theft disc has a convex portion on one side of the locking hole, and the corresponding portion of the anti-rotation disc is disposed in the guiding portion of the key rod, and the key rod is at least one concave portion at the guiding portion thereof. a pit is formed to form a receiving portion of the key lever, so that the convex portion of the anti-theft disc is correspondingly received in the recess.

a disc lock and key structure as described above, wherein the key has a semicircular cross section of the key stem, and the guide groove portion of the key stem is formed on a flat surface of the semicircular key lever, and The anti-theft disc has a convex portion on one side of the locking hole, and the corresponding portion of the anti-rotation disc is disposed in the guiding groove portion of the flat surface of the key rod, and the key rod is disposed at the guiding groove portion thereof. At least a hole is formed to form a receiving portion of the key lever, so that the convex portion of the anti-theft disc is correspondingly received in the through hole.

Thereby, when the rotating key lever drives the respective rotary discs in the rotary disc lock to have the bolt groove corresponding to the lock core notch, the anti-theft rotary disc piece whose pre-slot is opposite to the lock core notch is not rotated, and the respective rotary discs The bolt slots of the sheet are aligned in a straight line for unlocking after the lock bolt is dropped. When the thief unlocks the unlocking tool which is not provided with the convex portion of the anti-theft disc, the thread will be pre-locked and locked. The anti-theft rotary disc corresponding to the heart notch rotates, and the anti-theft disc is separated from the lock slot by the opposite position of the lock disc, so that the lock bolt cannot be dropped, and the anti-theft disc and the key lever structure are designed to improve the difficulty of unlocking. Achieve good anti-theft effect.

In order to make the technical means of the present invention and the effects thereof can be more completely and clearly disclosed, the following is a detailed description. Please refer to the disclosed drawings and drawings:

First, please refer to the first to third figures, which are the disk lock and key structure of the present invention, which include:

a rotary disc lock (1), the rotary disc lock (1) comprises a plurality of rotary discs (11) arranged side by side, and a locking hole (111) is formed at the center of each rotary disc (11), and is arranged on each rotary disc a locking slot (112) is defined in the outer edge of the piece (11), and a locking core (12) is further disposed to insert the plurality of rotating discs (1) into the locking cavity (121) of the locking core (12). And a side of the lock core (12) is formed with a long groove-shaped notch (122) along the axial direction thereof, and the notch (122) is connected with the lock cavity (121), and a lock core shell (13) is further provided to The lock core (12) accommodating the disc (1) is placed in the chamber (131) of the lock core housing (13), and a lock bolt (14) is inserted into the lock core (12) and the lock Between the core shells (13), and the locking bolts (14) are located at the notches (122) of the lock core (12), so that the rotation grooves (112) of the respective rotary discs (11) are arranged in a line, and the gap (122) In the corresponding time, fall into the respective discs (1 a fixing block (15) is fixed in the slot (112) of the lock housing (13) at the chamber of the chamber (131), so that the disc (1) and the lock (12) And the lock bolt (14) is fixed in the lock core shell (13), and a keyhole (151) is formed in the center of the fixing block (15) to be opposite to the lock hole (111) of each turntable (11) correspond;

A key (2) includes a handle (21) and a key lever (22) coupled to the handle (21), and the key lever (22) has a rectangular cross section, and the key lever is 22) The keyhole (151) of the fixing block (15) of the rotary disc lock (1) penetrates into the locking hole (111) of each rotary disc (11), and is formed on the key shaft (22). a groove (221) corresponding to a shape formed by the arrangement of the keyholes (111) of each of the disk segments (11); characterized in that:

Further, the second anti-theft disc (16) is disposed such that the two anti-theft discs (16) are arranged side by side with the plurality of discs (11) to be received in the lock chamber (121) of the lock core (12). And at least one rotary disc (11) is disposed between the two anti-theft discs (16), and the anti-theft disc (16) is formed with a locking hole (161) at the center to lock the key discs (11) (111) coaxially set up, and the anti-theft disc (16) is recessed with a bolt groove (162) at the outer edge for alignment with the bolt groove (112) of each turntable (11), so that the lock The bolt (14) is disposed therein, and the locking hole (161) of the anti-theft disc (16) comprises a rectangular hole (163), and a short groove is connected to each of the short sides of the rectangular hole (163). (164), and the two long groove portions (164) are reversely set, and the two long groove portions (164) are recessed with a curved portion (165) opposite to the rectangular hole (163). To make the burglar The locking hole (161) of the disc (16) is formed by the long groove portion (164) and the curved portion (165) to allow the key lever (22) to rotate, and the rectangular hole (163) has two long sides. A convex portion (166) is disposed, and the two opposite convex portions (166) are adjacently staggered, and the key (2) of the key (2) is formed on the opposite sides of the key shaft (22) along the axial direction of the key rod (22) The guide groove portion (222) is provided for the two convex portions (166) of the two anti-theft discs (16) to be correspondingly disposed in the corresponding positions, and the key lever (22) is opposite to the other two A through hole (223) is formed in the side surface as a receiving portion of the convex portion (166) of the anti-theft disc (16), and the guiding portion (222) is communicated with the through hole (223) for A convex portion (166) of an anti-theft disc (16) is accommodated therein.

Accordingly, when the user wants to unlock, please refer to the fourth figure as shown in the figure 4, the key (2) of the key (2) is locked by the disc (1) the keyhole of the fixing block (15) ( 151) penetrating so that the key lever (22) is formed with a groove (221) corresponding to the shape of the lock hole (111) of each of the rotary discs (11), and the anti-theft disc (16) The corresponding portion (222) of the convex portion (166) is designed such that the key rod (22) can pass through the locking holes (111), (161) of each of the rotating discs (11) and the anti-theft disc (16). And a projection (166) of the anti-theft disc (16) is positioned corresponding to the keyhole (22) forming through hole (223).

Therefore, as shown in the fifth figure, when the user rotates the key lever (22) to drive the respective rotary discs (11) to rotate, the outer peripheral edges of the respective rotary discs (11) are arranged in a staggered arrangement. (112) The rotation alignment is a straight line. When the key lever (22) rotates, the convex portion (166) of the anti-theft dial (16) corresponding to the through hole (223) penetrates into the through hole (223). And using the anti-theft disc (16), the long groove portion (164) and the curved portion (165) form a revolving space for the key lever (22) in the lock hole (161) of the anti-theft disc (16), so that the The anti-theft disc (16) can be kept stationary by the key lever (22). Since the anti-theft disc (16) is assembled, the bolt groove (162) is pre-positioned with the lock (12) notch (122). Correspondingly, it remains stationary just enough for the lock bolt (14) to fall into its bolt slot (162), while the other anti-theft disc (16) is due to its corresponding key lever (2) There is no through hole (223), so the convex portion (166) of the locking hole (161) of the anti-theft disc (16) is rotated by the key lever (22) to make the slot (162) Rotating to a position aligned with the pin grooves (112) of the other rotary discs (11), thereby causing the lock bolts (14) to fall into the screw grooves (11) of the respective rotary discs (11) and the second anti-theft discs (16) (112) ), (162), and disconnected from the lock core (12) and the lock case (13), so that the lock core (12) is rotated and unlocked.

Furthermore, when the thief wants to use a thin master key or a flat unlocking tool or the like, the keyhole (151) of the fixing block (15) of the rotary disc lock (1) is inserted therein, in order to rotate the respective rotary discs (11) to open the lock ( 12), since the thin universal key or the flat unlocking tool or the like is not provided with a through hole (223) through which the convex portion (166) of the anti-theft disc (16) is inserted, when the thief rotates its unlocking tool When the lock is unlocked, the unlocking tool will touch the convex portion (166) of the anti-theft disc (16), and the anti-theft disc (16) will be rotated. At this time, the position of the bolt (162) has been previously fixed. The anti-theft disc (16) corresponding to the lock (12) notch (122) will also rotate away from the notch (122) of the lock core (12), thus, instead of the slot of each disc (11) ( 112) Aligned into a straight line, causing the lock bolt (14) to fail to fall, still maintaining the click position between the lock core (12) and the lock core housing (13), causing the rotary disc lock to fail to open. Effect, this can increase the degree of difficulty to unlock, unlock the thief can not easily achieve better anti-theft effect.

Please also refer to the sixth embodiment, which is a second embodiment of the rotary disc lock and key structure of the present invention, such that the key (2) has its side key (22) on both side guide grooves (222). A recess (224) is provided, and the two recesses (224) are deeper than the center of the key shaft (22), thereby replacing the through hole (223) on the key lever (22), and also The rotary key lever (22) drives the rotary discs (11) to rotate, so that the bolt slots (112) of the respective rotary discs (11) are aligned in a straight line, so that the recesses (224) of the key lever (22) correspond to each other. The anti-theft disc (16), when the key lever (22) is rotated, causes the two convex portions (166) of the anti-theft disc (16) to penetrate the recesses (224) on both sides of the key lever (22) without The key lever (22) is touched and is rotated by the key lever (22), so that the anti-theft disc (16) corresponding to the lock slot (162) and the lock core (12) notch (122) are stationary. , When the bolt slot (112) of each rotary disc (11) and the bolt groove (162) of the other anti-theft disc (16) are aligned, the lock bolt (14) is dropped to achieve the effect of unlocking the rotation lock (12). .

In addition, as shown in the seventh and eighth figures, another embodiment of the disc lock and key structure of the present invention is such that the key (22) of the key (2) has a semicircular cross section and allows The semicircular key lever (22) has a flat surface formed with a guide groove portion (222) axially disposed along the key lever (22), and at least one recess (224) is disposed at the guide groove portion (222). Or a through hole, the locking disc (161) of the anti-theft disc (16) has a semi-circular hole corresponding to the key rod (22), and is connected to one side of the flat surface of the key shaft (22) A convex portion (166) is disposed, and the locking hole (161) extends to an arc-shaped long groove portion (167) at one end of the semicircular shape thereof, and the long groove portion (164) is used to form a key rod (22) Rotation section, whereby when the key (2) of the key (2) is inserted into the locking hole (161) of the anti-theft disc (16), the key lever (22) can pass the anti-theft by the guide groove portion (222) Convex of the disc (16) (166 When the key lever (22) is rotated, the convex portion (166) of the anti-theft disc (16) correspondingly penetrates the recess (224) or the through hole of the key lever (22) on the guide groove portion (222). The content is set such that the anti-theft disc (16) can be maintained in a static state without being driven by the key lever (22) to be matched with the other discs (11) and the anti-rotation disc (16). (162) After the corresponding slot (162) of the stationary anti-theft disc (16), the latch (14) falls into the slot (112) of each of the disc (11) and the anti-theft disc (16), ( 162), and achieve the unlocking effect.

The foregoing embodiments or drawings are not limited to the embodiment of the rotary disc lock and the key structure of the present invention. The number of the anti-theft discs (16) of the present invention is not limited to two anti-theft discs (16), and Set one anti-theft disc (16), or three or more anti-theft discs (16), and the other key disc (22) is provided with a through-hole (223) or concave through which the convex portion (166) is inserted into the anti-rotation disc (16). The pit (224) is also limited not only to an anti-theft disc (16), but also to the number of anti-theft discs (16), and a plurality of through holes (223) or dimples are formed on the key stem (22). (224) or the like providing the anti-theft disc (16) with the convex portion (166) penetrating into the receiving portion accommodated therein, and any suitable change or modification of the person skilled in the art should be considered as appropriate. In order not to deviate from the patent scope of the disc lock and key structure of the present invention.

As can be seen from the above structures and embodiments, the present invention has the following advantages:

1. The disc lock and key structure of the present invention is formed on the anti-theft disc of the anti-theft disc, and the two parts of the keyhole are formed by the keyhole, and the housing is provided with a receiving portion for providing the convex portion of the anti-theft disc. The at least one anti-theft disc of the anti-rotation disc can be pre-corresponded to the notch of the lock core, and the accommodating portion is formed on the key rod, so that when the rotating key rod drives the bolt groove of each rotary disc to face the gap of the lock core, the advance The anti-theft disc film corresponding to the lock core notch can be rotated without being rotated, so that the lock plug can be unlocked after being dropped, and when the thief wants to unlock with the unlocking tool which is not provided with the convex portion of the anti-theft disc, The anti-theft disc piece corresponding to the original locking slot corresponding to the lock core notch is driven away from the position opposite to the lock core notch, so that the locking bolt cannot be dropped and unlocked, and the anti-theft reel disc piece of the invention can be set several or more, and the The anti-theft discs of the anti-theft discs correspond to the slot of the lock or do not correspond to the gap of the lock to form a more complicated coding effect. Accordingly, the difficulty of unlocking can be further improved, so that the thief cannot easily unlock the lock. Better Anti-theft effect.

2. The disc lock and key structure of the present invention is such that the anti-theft disc has a long groove formed on both sides of the lock hole, and the long groove portion is concavely provided with a curved portion, thereby making the anti-theft disc lock The hole is formed with a key lever rotation section, so that when the key lever is rotated, the rotation section of the anti-theft rotary disc piece can be matched with the rotation section of the anti-theft rotary disc piece, and the housing for providing the anti-theft rotary disc piece with the convex part of the key lever is designed. In order to achieve the effect that the anti-theft disc piece, which is opposite to the lock slot of the lock, is not subject to the rotation of the key lever.

In summary, the embodiments of the present invention can achieve the expected functions, and the specific structures disclosed therein have not been seen in the same products, nor have they been disclosed before the application, and have fully complied with the provisions of the Patent Law. It is required that if an application for a patent for invention is filed in accordance with the law, and if the application is granted, the patent will be granted.

(1) ‧‧‧Rotary disk lock

(11)‧‧‧Rotary discs

(111)‧‧‧Keyhole

(112)‧‧‧Bolt

(12)‧‧‧Lock

(121)‧‧‧Lock chamber

(122) ‧ ‧ gap

(13)‧‧‧Lock shell

(131) ‧‧ ‧ room

(14)‧‧‧Locks

(15) ‧‧‧Fixed blocks

(151)‧‧‧Keyhole

(16)‧‧‧Anti-theft disc

(161)‧‧‧Keyhole

(162)‧‧‧Bolt

(163)‧‧‧Rectangular holes

(164) ‧‧‧Long trough

(165)‧‧‧The curved part

(166)‧‧‧ convex

(167)‧‧‧Long trough

(2) ‧ ‧ key

(21)‧‧‧Handle

(22)‧‧‧Keybar

(221)‧‧‧The groove

(222)‧‧‧ Guide groove

(223)‧‧‧through holes

(224) ‧ ‧ pits

First Figure: An exploded view of the present invention

Second figure: a partially enlarged exploded view of the present invention

Third: a sectional view of the combination of the present invention

Fourth figure: perspective view of the state of use of the present invention

Fig. 5 is a cross-sectional view showing the state of use of the present invention

Figure 6 is a partially enlarged perspective exploded view of a second embodiment of the present invention

Figure 7 is a partially enlarged perspective exploded view of another embodiment of the present invention

Figure 8 is a cross-sectional view showing another embodiment of the present invention

Claims (10)

A rotary disc lock and key structure comprises: a rotary disc lock, the rotary disc lock system comprises a plurality of rotary discs arranged side by side, and a lock hole is formed in the center of each rotary disc, and is located at the outer edge of each rotary disc The recess is provided with a bolt slot, and a lock core is disposed, so that the plurality of discs are placed in the lock cavity of the lock core, and the lock core side is provided with a long slot type notch formed along the axial direction thereof, and The gap is connected with the lock cavity, and a lock core shell is disposed, so that the lock core accommodating the rotary disc is placed in the chamber of the lock core shell, and a lock bolt is inserted between the lock core and the lock core shell. And the locking bolt is located at the gap of the lock core, and a fixing block is fixed at the opening of the chamber of the lock core housing, so that the rotating disc group, the lock core and the lock bolt are fixed to the lock core shell a keyhole is formed in the center of the fixing block to correspond to the locking hole of each of the rotating discs; a key includes a handle and a key lever assembled with the handle, the key lever The keyhole of the fixing block locked by the rotary disc piece penetrates into the locking hole of each rotary disc piece, and is formed on the key rod a groove, wherein the shape of the groove corresponds to a shape in which the locking holes of each of the disk segments are arranged; wherein: at least one anti-theft disk is disposed such that the anti-theft disk is arranged side by side with the plurality of disks to be accommodated In the lock cavity of the lock core, the anti-theft disc is formed with a lock hole at the center to be coaxial with the lock hole of each turntable, and a plug groove is concavely formed on the outer edge of the anti-theft disc. The anti-theft disc has a convex portion at least one side of the locking hole, and at least one side of the key shaft of the key is formed with a guiding portion formed along the axial direction of the key shaft for locking the anti-theft disc The corresponding portion of the convex portion is disposed therein, and the key rod is formed with at least one accommodating portion for receiving the convex portion of the anti-theft disc, so that the keyhole of the anti-theft disc is formed with a key for the key Rod rotation interval. The rotator lock and the key structure according to the first aspect of the invention, wherein the accommodating portion of the key shank is a through hole, such that the through hole is located on the opposite sides of the guide groove portion of the key bar. And passing the through hole through the opposite sides of the key bar, and connecting the channel portion to the through hole. The rotary disc lock and key structure according to claim 1, wherein the housing of the key lever is at least one recess such that the at least one recess is located at a guide groove portion of the key lever, and The pit depth is made to exceed the center of the key fob. The disc lock and key structure according to any one of claims 1 to 3, wherein the anti-theft disc is provided with two pieces, so that at least one disc is disposed between the two anti-theft discs, and The accommodating portion is formed in the tamper-evident disk, and the ridge portion of the tamper-evident disk is received in the accommodating portion. The disc lock and key structure according to claim 4, wherein the anti-theft disc has a rectangular hole formed in the keyhole thereof, and the rectangular hole has a long groove portion connected to each of the short sides thereof, and the The two long groove portions are oppositely arranged, and the two long groove portions are oppositely connected with the rectangular hole, and the curved portion is formed on the other side, so that the long groove portion and the curved portion form the key bar rotation interval, One of the convex portions is connected to each of the two long sides of the rectangular hole. The disc lock and key structure according to any one of claims 1 to 3, wherein the anti-theft disc has a rectangular hole formed in the keyhole thereof, and the two short sides of the rectangular hole are connected to each other with a long length. a groove portion, wherein the two long groove portions are oppositely formed, and the two long groove portions are concavely provided with a curved portion on a side opposite to the rectangular hole, so that the long groove portion and the curved portion form the In the key bar rotation section, a pair of convex portions are respectively connected to each of the two long sides of the rectangular hole. The rotary disc lock and key structure according to claim 1, wherein the key has a rectangular shape in a cross section thereof, and the guide groove portion of the key shaft is formed on opposite sides of the key lever, and The guide rods of the two sides of the key lever are arranged in a staggered position, and the anti-theft discs are respectively provided with a convex portion on opposite sides of the lock hole, and the two convex portions are respectively disposed on the key lever. In the guide groove portions of the two side surfaces, the key shaft is further formed with at least one through hole on the opposite sides of the guide groove portion to form a receiving portion of the key rod, and the through hole and the two guide groove portions are formed. The two communicating portions of the anti-theft disc are correspondingly received in the through hole. The rotary disc lock and key structure according to claim 1, wherein the key has a rectangular shape in a cross section thereof, and the guide rod portion of the key shaft is formed on opposite sides of the key shaft, and the The guide groove portions of the two sides of the key lever are arranged in a staggered position, and the opposite sides of the lock hole of the anti-theft disc are respectively connected with a convex portion, and the two convex portions are respectively disposed correspondingly on the key lever. In the guiding groove portions of the two sides, the key bar is further provided with at least one dimple at the two guiding groove portions, and the depth of the dimple exceeds the center of the key bar to form a receiving portion of the key lever for providing The two convex portions of the anti-theft disc are correspondingly received in the pits on both sides of the key lever. The rotary disc lock and key structure according to claim 1, wherein the key has a semicircular cross section of the key shaft, and the guide groove portion of the key shaft is formed on the flat surface of the semicircular key lever. And a convex portion is further disposed on a side of the locking hole of the anti-theft disc, and the corresponding portion is disposed in the guiding portion of the key rod, and the key rod is located at the guiding portion thereof. At least one recess is provided to form a receiving portion of the key lever, so that the convex portion of the anti-theft disc is correspondingly received in the recess. The rotary disc lock and key structure according to claim 1, wherein the key has a semicircular cross section of the key shaft, and the guide groove portion of the key shaft is formed on the flat surface of the semicircular key lever. In addition, the anti-theft disc is connected to one side of the locking hole of the anti-theft disc, and the corresponding portion is disposed in the guiding portion of the flat surface of the key shaft, and the key lever is located at the guiding portion thereof. At least a uniform hole is formed in the groove portion to form a receiving portion of the key lever, so that the convex portion of the anti-theft disc is correspondingly received in the through hole.