CN114233107A

CN114233107A - Unlocking tongue of lock cylinder, lock cylinder and key thereof

Info

Publication number: CN114233107A
Application number: CN202111251014.7A
Authority: CN
Inventors: 陈志洪
Original assignee: Quanzhou Siwei Industrial Design Co ltd
Current assignee: Quanzhou Siwei Industrial Design Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-25
Anticipated expiration: 2041-10-27
Also published as: CN114233107B

Abstract

The lock bolt is used for driving a switch of a lockset/object/equipment to unlock or lock; the first synchronous telescopic link is matched with a second synchronous telescopic slot arranged on the lock liner and used for promoting the unlocking tongue to synchronously rotate with the lock liner, the annular slot is matched with a linkage head arranged on the linkage rod to promote the linkage rod and the unlocking tongue to synchronously and axially move, so that one hidden verification condition can be met, and the linkage rod is matched with a blade/marble assembly and other components arranged on the lock shell; the verification rod is provided with a verification tooth I which can be verified with a blade/marble assembly arranged on the lock cylinder, so that the password quantity of the lock cylinder is increased to increase the anti-theft coefficient and reduce the mutual opening rate, the anti-theft lock can avoid technical unlocking, has massive password quantity, and is simple in structure and strong in practicability.

Description

Unlocking tongue of lock cylinder, lock cylinder and key thereof

Technical Field

The invention relates to the technical field of locks, in particular to a lock bolt for unlocking a lock cylinder.

Background

At present, locks on the market are various in types and different in structure. The mechanical lock is the most widely used lock in life, is not influenced by occasions and environments, and has high stability.

The lock cylinders are either pin tumbler lock cylinders or leaf lock cylinders, as shown in fig. 1, the lock cylinders all need a lock tongue to drive a switch in a lock to achieve the purpose of unlocking the lock, the lock tongues in the current market are composed of three types of structures, the first type is composed of only one lock tongue, the second type is an unlocking tongue (as shown in fig. 1) with a rotating disc and the lock tongue combined, and the third type is a gear tongue (as shown in fig. 1) with the rotating disc and teeth combined. These bolts can only rotate.

Disclosure of Invention

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The invention aims to overcome the defects and provides an unlocking tongue of a lock core, the lock core and a key thereof, wherein the unlocking tongue of the lock core is mainly used for separately designing the rotating disc and the lock tongue/tooth, and then the rotating tongue is rotatably arranged on the outer wall of the rotating disc, so that the unlocking tongue not only can rotate to move when unlocking to drive a lock, but also can axially move well.

In order to achieve the purpose, the technical solution of the invention is as follows: the utility model provides a spring bolt of separating of lock core, its rotatable and but the flexible establishment of axial displacement is on the lock core, and this lock core still includes components such as lock shell, lock courage, and wherein the rotatable first installation intracavity that establishes that is equipped with at this lock shell of this lock courage, its characterized in that: the unlocking tongue comprises a driving head I/a driving annular slope rail I, a lock tongue and a synchronous telescopic rod I/a synchronous telescopic groove I, wherein the lock tongue can be used for further driving a lock/an object/a switch of equipment to unlock or lock; the first synchronous telescopic link/the first synchronous telescopic slot is matched with the second synchronous telescopic link/the second synchronous telescopic slot which are arranged on the lock cylinder, so that the unlocking bolt and the lock cylinder can synchronously rotate.

Preferably, the lock tongue is integrated with the unlocking tongue, or the lock tongue is detachably fixed on the unlocking tongue.

Preferably, the reset device is used for urging the unlocking tongue to do reset movement, and the reset device is an object with any one of elasticity and magnetism, wherein the elastic object is a spring, and the magnetic object is a magnetic object.

Preferably, the lock housing is one-piece or separable into a first housing part and a second cover part.

Preferably, the rear end of the lock housing is provided with a stop plate and forms an unlocking tongue receiving cavity.

Preferably, the lock shell is further provided with a second driving annular slope rail/a second driving head, the second driving annular slope rail/the second driving head is arranged at any one or more positions of the baffle, the rear end and the first mounting cavity, and the second driving annular slope rail/the second driving head is matched with the first driving head/the first driving annular slope rail to enable the lock tongue disc to move axially.

Preferably, one end of the unlocking tongue close to the baffle plate is also provided with a first fixing shaft/a first fixing hole, and the baffle plate is provided with a second fixing hole/a second fixing shaft which is matched with the first fixing shaft/the first fixing hole.

Preferably, the verification rod is provided with a verification tooth and is arranged on the unlocking tongue, and can axially move in the verification rod mounting groove which is arranged in the lock cylinder and leads to the tail end; when the key is inserted, the key drives a second pin tumbler/blade/magnetic piece/induction type component in the lock cylinder to a specific position, if the key is an original key, the verification rod passes the verification of the specific position, and the unlocking bolt is allowed to axially move for unlocking; if the verification rod cannot pass the verification of the specific position if the key is not matched originally, the unlocking bolt is not allowed to axially move for unlocking.

Preferably, the cylinder liner comprises a mounting groove provided with any one or more of a pin/blade/magnetic member/inductive member II, wherein the mounting groove of the pin/blade II is communicated with the first key groove and the verification rod mounting groove.

Preferably, the annular groove is formed in the unlocking tongue, the linkage rod is arranged in a second mounting cavity formed in the lock shell, a linkage head arranged on the linkage rod can move in the annular groove in a matched mode, the unlocking tongue and the linkage rod are enabled to move axially in a synchronous mode, and the linkage rod is matched with a marble/blade/magnetic piece/induction type related assembly arranged in the lock shell.

The invention also provides a lock core, which comprises a lock shell, a lock core and other components, wherein the lock shell is as in the lock shell in the bolt unlocking of the lock, and the lock core is as in the lock core in the bolt unlocking of the lock.

The invention also provides a key which comprises a first key and a second key capable of being separated from and combined with the first key, wherein the first key can be inserted into the first key slot through the key slot, the second key can be inserted into the second key slot through the key slot, and at least one of the first key and the second key is provided with an unlocking slot matched with the first pin/blade or the second pin/blade.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the unlocking tongue is provided with a driving head I/a driving annular slope rail I, a lock tongue and a synchronous telescopic rod I/a synchronous telescopic groove I, so that the lock tongue can axially move and synchronously rotate with the lock cylinder to unlock after the hidden verification is passed.

2. Through establishing the spring bolt detachable on should separating the spring bolt, can conveniently assemble like this and increased the embodiment.

3. Any one or more of the marble, the blade, the magnetic piece and the induction type component are additionally arranged on the lock cylinder, so that the code quantity of the lock cylinder and the key can be increased, the anti-theft performance is improved, and the mutual opening rate is reduced.

4. By means of the annular groove formed in the unlocking bolt and the cooperation of the linkage rod, any one or more of a marble/blade/magnetic piece/induction type assembly can be additionally arranged on the lock shell, the password quantity of the lock cylinder and the key can be increased, the function of hiding, verifying and unlocking can be achieved, and therefore the anti-theft performance is improved to the maximum extent, and the inter-opening rate is reduced.

5. The lock shell and the lock liner are provided with the marble/blade/magnetic piece/induction type component, and the first key and the second key for unlocking are provided with the unlocking grooves, which is equivalent to the combination of 2 keys and 2 lock cylinders, so that the technical unlocking can be avoided, the code amount of the lock cylinders is greatly increased, the mutual unlocking rate is reduced, and the anti-theft performance is furthest improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Clearly, such objects and other objects of the present invention will become more apparent from the detailed description of the preferred embodiments hereinafter set forth in the various drawings and drawings.

These and other objects, features and advantages of the present invention will become more apparent from the following detailed description of one or more preferred embodiments of the invention, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings, like parts are designated with like reference numerals, and the drawings are schematic and not necessarily drawn to scale.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.

FIG. 1 is a schematic view of a conventional lock core

FIG. 2 is an exploded view of a lock cylinder unlocking tongue and a lock cylinder and key of the present invention;

FIG. 3 is an assembled view of the structure of FIG. 2;

FIG. 4 is a schematic view of the unlocking principle of FIG. 2 showing a partial structural fit when the lock is not rotated for unlocking;

FIG. 5 is a schematic view of the unlocking principle of FIG. 2, showing a partial structural cooperation of a first step when the original key is used for unlocking;

FIG. 6 is a schematic view of the unlocking principle of FIG. 2, which is a partial structural matching relationship of step two when the original key is used for unlocking;

fig. 7 is a schematic view of the unlocking principle of fig. 2, which is a partial structural matching relationship in the third step when the original key is used for unlocking;

FIG. 8 is a schematic view of the unlocking principle of FIG. 2 showing a partial structural cooperation of a first step of the unlocking by an unauthorized key;

FIG. 9 is a schematic view of the unlocking principle of FIG. 2 showing the partial structural cooperation of step two when the lock is unlocked by an unauthorized key;

FIG. 10 is an exploded view of the structure of a second embodiment of the lock cylinder unlocking tongue and a lock cylinder and key of the present invention;

FIG. 11 is an exploded view of a third embodiment of a lock cylinder for unlocking the bolt and the cylinder of the present invention;

FIG. 12 is an exploded view of the structure of a fourth embodiment of the lock cylinder unlocking tongue and a lock cylinder and key of the present invention;

FIG. 13 is an exploded view of a version of the lock shell of a lock cylinder of the present invention;

fig. 14 is an exploded view of a second embodiment of the driving annular slope rail of the unlocking tongue of the lock cylinder of the invention;

fig. 15 is an exploded view of a third embodiment of a driving annular slope rail of a lock core unlocking bolt of the present invention;

fig. 16 is an exploded view of a fourth embodiment of the driving annular slope rail of the unlocking bolt of the lock cylinder of the invention;

FIG. 17 is a schematic structural view of a second pin tumbler of the lock cylinder of the present invention;

FIG. 18 is a schematic view of a first blade of a lock cylinder according to the present invention;

FIG. 19 is a schematic view of a first key of the present invention;

FIG. 20 is a schematic view of a second key of the present invention;

description of the main reference numerals:

1. a shell;

11. a first shell; 111. a first mounting cavity; 112. a second mounting cavity; 113. a mounting groove for the marble/vane;

114. second key slot

12. A second cover part; 121. a stopper; 122. a second fixing hole/a second fixing shaft; 123. an unlocking tongue movable accommodating cavity;

13. a second driving head/a second driving annular slope rail;

14. a back end;

2. a lock liner;

21. a first key slot; 22. a mounting groove for the marble/the blade II; 23. a second synchronous telescopic rod/a second synchronous telescopic groove;

24. verification slot

3. Releasing the bolt;

31. a latch bolt; 311. a lock tongue mounting groove;

32. the driving head I/the driving annular slope rail I; 33. a first synchronous telescopic rod/a first synchronous telescopic groove;

34. a validation pole; 341. verifying a first tooth; 35. an annular groove; 36. a first fixed shaft/a first fixed hole;

3s, unlocking the tongue resetting device; 3s, unlocking a tongue return spring;

4. a linkage rod;

41. a linkage head; 42. verifying a second tooth;

5. a first marble/vane; 5. a blade assembly;

51. verifying a first slot; 52. a first driving end;

5s, a marble/blade resetting device; 5s, a blade-component return spring;

6. a second marble/vane; 6. a second marble component;

61. a second verification slot; 62. a second driving end;

6s, a marble/blade second resetting device; 6s, a spring resetting spring of the marble two-component;

7. sealing; 7. marble two-seal piece

100. Key with a key body

101. A first key; 1011. unlocking the first slot;

102. a second key; 1021. unlocking the second groove;

200. switches (of locks, appliances, doors and windows, etc.);

300. a lock tongue axial movement position reference line;

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details or with other methods described herein.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected through a transition structure, but are connected through a connection structure to form a whole. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

Referring to fig. 2, 3, 4, 5, 6, 7, 8, 14 to 20, fig. 2 is an exploded view of a first embodiment of a lock cylinder unlocking tongue 3 and a lock cylinder and key 100 according to the present invention; FIG. 3 is an assembled view of the structure of FIG. 2; FIG. 4 is a schematic view of the unlocking mechanism of FIG. 2 when the lock is unlocked without rotation; fig. 5 is a schematic structural diagram of the unlocking principle of fig. 2, namely the first step when the original key 100 is unlocked; fig. 6 is a schematic structural view of the unlocking principle of fig. 2, namely the unlocking step two when the original key 100 is unlocked; fig. 7 is a schematic structural diagram of a first step of the unlocking principle of fig. 2 when the non-original key 100 is unlocked; fig. 8 is a schematic structural view of a second step of the unlocking principle of fig. 2 when the non-original key 100 is unlocked; fig. 14 is a structural exploded view of a second scheme of the driving annular slope rail 13 of the unlocking tongue 3 of the lock cylinder; fig. 15 is an exploded view of a third embodiment of the driving annular slope rail 13 of the unlocking tongue 3 of the lock cylinder of the present invention; fig. 16 is an exploded view of a fourth embodiment of the driving annular slope rail 13 of the unlocking tongue 3 of the lock cylinder of the present invention; FIG. 17 is a schematic structural view of pin two 6 of the lock cylinder of the present invention; FIG. 18 is a schematic view of a first blade 5 of a lock cylinder according to the present invention; fig. 19 is a schematic view of a first key 101 of a key 100 according to the invention; fig. 20 is a schematic view of a second key 102 of the key 100 according to the present invention.

The present embodiment provides an unlocking tongue 3 of a key cylinder, a key cylinder assembled with the unlocking tongue 3, a key 100 including:

the unlocking bolt 3 comprises a first driving head 32, a first locking bolt 31, a first fixed shaft 36, an annular groove 35, a first synchronous telescopic rod 33, a verification rod 34 and a first verification tooth 341, wherein the first locking bolt 31 is used for driving the switch 200;

a lock core, this lock core also includes unlocking tongue reset spring 3s, shell one 11, cover two 12, lock container 2, gangbar 4, blade one assembly 5, blade one assembly reset spring 5s, pellet shot from a slingshot two assemblies 6, pellet shot from a slingshot two assembly reset spring 6s, components such as seal 7, etc.; the first shell 11 is provided with a first mounting cavity 111, a first blade mounting groove 113, a second key groove 114 and other structures; wherein the unlocking tongue return spring 3s is used for urging the unlocking tongue 3 to do return movement; the rear end 14 of the second cover part 12 is provided with a stop block 121, the stop block 121 is provided with a second fixing hole 122 and a second driving annular slope rail 13, the second fixing hole 122 is matched with the first fixing shaft 36, and the second driving annular slope rail 13 is matched with the first driving head 32; the lock core 2 is rotatably arranged in the first mounting cavity 111, the lock core 2 is provided with a first key slot 21, a second marble mounting slot 22, a verification rod slot 24 and other structures, and the verification rod slot 24 is matched with the verification rod 34; the linkage rod 4 is axially movably arranged in the second mounting cavity 112, the linkage rod 4 is provided with a linkage head 41 and a verification tooth II 42, and the linkage head 41 is arranged in the annular groove 35, so that the linkage rod 4 and the unlocking tongue 3 can synchronously and axially move; the first blade component 5 and the first blade component return spring 5s are arranged in the first blade mounting groove 113, the first blade is provided with a first verification groove 51 and a first driving end 52, and the first verification groove 51 is matched with the second verification tooth 42; the first blade return spring 5s urges the first blade 5 to perform return movement; the second marble 6 is provided with a second verification groove 61 and a second driving end 62, and the second verification groove 61 is matched with the first verification tooth 341; the marble reset spring 6s urges the marble 6 to do reset motion; the seal 7 is used for preventing the second pin 6 and the pin spring 6s from falling out of the second pin mounting groove 22.

A key 100, the key 100 includes the first key 101, second key 102, etc. component that can be disengaged with the first key 101, when the key 100 is inserted into the lock core, the first key 101 locates in the first key slot 21, the second key 102 locates in the second key slot 114, wherein first key 101 and second key 102 have unlocking slot one 1011 and unlocking slot two 1021 separately, the unlocking slot one 1011 and the driving end one 52 are mated, the unlocking slot two 1021 and the driving end two 62 are mated; wherein the first key 101 and the cylinder core 2 can rotate synchronously.

The original key 100 of embodiment 1 of the invention unlocks the working principle:

the method comprises the following steps: as shown in fig. 4 and 5, assuming that the key 100 (including the first key 101 and the second key 102) is a master, when the key cylinder is inserted from the outside, wherein the first key 101 is located in the first key slot 21 and drives the pins two 6 to a specific unlocking position, and the second key 102 is located in the second key slot 114 and drives the blades one 5 to a specific unlocking position; a first driving head 32 of the unlocking tongue 3 is positioned on the upward slope of the second driving annular slope rail 13; the bolt 31 is positioned right above the unlocking bolt 3; the reference line 300 for the axial moving position of the lock tongue is away from the switch 200 (side view); fourthly, the second verification tooth 42 of the linkage rod 4 is positioned on the right side of the first blade 5 and is not contacted; the first verification tooth 341 of the verification rod 34 is positioned at the right side of the second marble 6 and is not contacted with the second marble.

Step two: as shown in fig. 6, assuming that the key 100 is rotated 90 °, wherein the first key 101 drives the cylinder 2 to rotate synchronously, and the second key 102 and the lock case 1 remain stationary, the second key 102 and each blade one 5 will be concealed and verified; sliding a first driving head 32 of the unlocking tongue 3 from an original upward slope to a downward slope of a second driving annular slope rail 13; the bolt 31 rotates to the side of the unlocking bolt 3; the bolt axial movement position reference line 300 intersects the switch 200 (side view); fourthly, the second verification tooth 42 of the linkage rod 4 and the first blade 5 are hidden and verified to pass, and axially move to be positioned at the left side of the first blade 5 and possibly contact with each other; the verification tooth I341 of the verification rod 34 and the marble II 6 pass verification, and the axial movement is positioned at the left side of the marble II 6 and can contact with each other.

Step three: as shown in fig. 7, when the key 100 is rotated a plurality of degrees again, the first key 101 continues to drive the cylinder 2 to rotate synchronously, while the second key 102 and the lock case 1 remain still; firstly, the driving head 32 of the unlocking tongue 3 is still positioned on the downhill of the driving annular slope rail II 13; the bolt 31 is positioned below the unlocking bolt 3 and drives the switch 200; the bolt axial movement position reference line 300 is crossed with the switch 200 (side view); fourthly, the second verification tooth 42 of the linkage rod 4 is positioned on the left side of the first blade 5 and is possibly contacted with the first blade; the verification tooth one 341 of the verification lever 34 is positioned at the left side of the marble two 6 and may be contacted unchanged.

Step four: as mentioned in the third step, the lock tongue 31 can achieve the purpose of unlocking or locking after driving the switch 200, and then the whole unlocking or locking process can be completed only by continuously forwarding or reversing the key 100 to complete 360 ° or returning the original position, and pulling out the key 100.

The invention embodiment 1 non-original key 100 or master key 100 can not unlock the anti-theft working principle:

the method comprises the following steps: assuming that the key 100 (including the first key 101 and the second key 102) is a non-master or master tool, when the key cylinder is inserted from the outside, as shown in fig. 4 and 5, wherein the first key 101 is located in the first key slot 21 and drives the respective blades to a non-specific unlocking position, the second key 102 is located in the second key slot 114 and drives the respective pins to a non-specific unlocking position; a first driving head 32 of the unlocking tongue 3 is positioned on the upward slope of the second driving annular slope rail 13; the bolt 31 is positioned right above the unlocking bolt 3; the reference line 300 for the axial moving position of the lock tongue is away from the switch 200 (side view); fourthly, the second verification tooth 42 of the linkage rod 4 is positioned on the right side of the first blade 5 and is not contacted; the first verification tooth 341 of the verification rod 34 is positioned at the right side of the second marble 6 and is not contacted with the second marble.

Step two: as shown in fig. 8, assuming that the key 100 is rotated 90 °, wherein the first key 101 drives the cylinder 2 to rotate synchronously, and the second key 102 and the lock case 1 remain stationary, the second key 102 and each blade will be concealed and verified; firstly, the driving head I32 of the unlocking tongue 3 does not slide to the downgrade of the driving annular slope rail II 13 from the original upslope, but is separated from the downgrade and the distance between the driving head I and the downgrade is slightly smaller than the distance between the upslope and the downgrade; the bolt 31 rotates to the side of the unlocking bolt 3; the reference line 300 for the axial movement position of the lock tongue is separated from the switch 200 (side view); fourthly, the second verification teeth 42 of the linkage rod 4 and the first blades 5 are hidden and verified to fail, and can not move axially smoothly and are still positioned on the right sides of the first blades 5 and blocked; the verification teeth 341 of the verification rod 34 and the verification teeth of the second pins 6 cannot pass, and the smooth axial movement cannot be realized, so that the verification teeth are still positioned at the right side of the second pins 6 and are blocked.

Step three: as shown in fig. 7, when the key 100 is rotated a plurality of degrees again, the first key 101 continues to drive the cylinder barrel 2 to rotate synchronously, and the second key 102 and the lock case 1 still remain stationary; firstly, the driving head (32) of the unlocking tongue (3) is still separated from the downhill of the driving annular slope rail (13) (side view); the bolt 31 is positioned below the unlocking bolt 3, and cannot touch the switch 200, namely cannot be driven; the bolt axial movement position reference line 300 keeps away from the switch 200, the verification tooth two 42 of the linkage rod 4 is still positioned at the right side of the blade one 5 and is blocked, and the verification tooth one 341 of the verification rod 34 is still positioned at the right side of the marble two 6 and is blocked.

Step four: as mentioned in the third step, the lock tongue 31 cannot touch the switch 200 (side view), and thus cannot drive the switch 200 to unlock the lock, and the lock tongue will be idle even if the lock tongue continues to rotate or rotates reversely for many turns.

Example 2

Referring to fig. 10, fig. 10 is an exploded view of a second embodiment of a lock cylinder unlocking tongue 3 and a lock cylinder and key 100 according to the present invention; .

The present embodiment provides an unlocking tongue 3 of a key cylinder including:

the unlocking bolt 3 comprises a first driving head 32, a first locking bolt 31, a first fixed shaft 36, an annular groove 35 and a first synchronous telescopic rod 33, wherein the first locking bolt 31 is used for driving the switch 200;

a lock core, this lock core also includes unlocking the components such as the reset spring 3s of tongue, shell one 11, cover two 12, lock container 2, gangbar 4, blade one assembly 5, blade one assembly reset spring 5 s; the first shell 11 is provided with a first mounting cavity 111, a first blade mounting groove 113, a second key groove 114 and other structures; wherein the unlocking tongue return spring 3s is used for urging the unlocking tongue 3 to do return movement; the rear end 14 of the second cover part 12 is provided with a stop block 121, the stop block 121 is provided with a second fixing hole 122 and a second driving annular slope rail 13, the second fixing hole 122 is matched with the first fixing shaft 36, and the second driving annular slope rail 13 is matched with the first driving head 32; the lock core 2 is rotatably arranged in the first installation cavity 111, and the lock core 2 is provided with a first key slot 21, a second synchronous telescopic slot 23 and other structures; the linkage rod 4 is axially movably arranged in the second mounting cavity 112, the linkage rod 4 is provided with a linkage head 41 and a verification tooth II 42, and the linkage head 41 is arranged in the annular groove 35, so that the linkage rod 4 and the unlocking tongue 3 can synchronously and axially move; the first blade assembly 5 and the first blade assembly return spring 5s are arranged in the first blade mounting groove 113, the first blade is provided with a first verification groove 51 and a first driving end 52, and the first verification groove 51 is matched with the second verification tooth 42; the first blade return spring 5s urges the first blade to return.

A key 100, the key 100 includes the first key 101, second key 102, etc. structural component that can be disengaged with the first key 101, when the key 100 is inserted into the lock core, the first key 101 locates in the first key slot 21, the second key 102 locates in the second key slot 114, wherein the second key 102 has unlocking slot two 1021, the unlocking slot two 1021 and the driving end second 62 are mated; wherein the first key 101 and the cylinder core 2 can rotate synchronously.

The original key 100 of embodiment 2 of the invention unlocks the working principle:

the unlocking operation principle of the master key 100 of the above embodiment 1 includes the unlocking operation principle of the embodiment 2, and will not be described here.

The invention embodiment 2 non-original key 100 or master key 100 can not unlock the anti-theft working principle:

the above-mentioned anti-theft operation principle that the unauthorized key 100 or the master key 100 of embodiment 1 cannot be unlocked includes the unlocking anti-theft operation principle of embodiment 2, and will not be further described herein.

Example 3

Referring to fig. 11, fig. 11 is an exploded view of a third embodiment of the lock cylinder lock core unlocking tongue 3 and the lock cylinder 2 according to the present invention.

The present embodiment provides an unlocking tongue 3 of a lock cylinder and a lock cylinder 2 of the present invention, including:

the unlocking bolt 3 comprises a first driving head 32, a first locking bolt 31, a first fixed shaft 36, an annular groove 35 and a first synchronous telescopic groove 33, wherein the first locking bolt 31 is used for driving the switch 200;

the lock core 2 is provided with a first key slot 21, a second synchronous telescopic rod 23 and other structures;

it should be noted that in this embodiment, only the structures of the first synchronous telescopic rod 33 and the second synchronous telescopic rod 23 in

embodiments

1 and 2 are purposely changed into the first synchronous telescopic rod 33 and the second synchronous telescopic rod 23, so as to inform that the similar structures described in the foregoing and the following descriptions can be implemented in an interchangeable manner, and any behavior imitating this embodiment falls within the protection scope of the present invention.

Example 4

Referring to fig. 12, fig. 12 is an exploded view of a fourth embodiment of a lock cylinder unlocking tongue 3 and a lock cylinder and key 100 according to the present invention.

the unlocking bolt 3 is unlocked, the unlocking bolt 3 comprises a first driving head 32, a locking bolt 31, a locking bolt mounting groove 311, a first fixed shaft 36, an annular groove 35 and a first synchronous telescopic rod 33, wherein the locking bolt 31 is detachably mounted in the locking bolt mounting groove 311 of the unlocking bolt 3, or the locking bolt 31 is welded on the locking bolt 31, and the locking bolt 31 is used for driving the switch 200.

A lock core, this lock core also includes unlocking the components such as tongue reset spring 3s, lock shell 1, lock liner 2, two assemblies of marble 6, two assemblies of marble reset spring 6s, seal 7, etc.; the shell 1 is provided with a first mounting cavity 111, the rear end 14 is provided with a stop block 121, the stop block 121 is provided with a second fixing hole 122 and a second driving annular slope rail 13, the second fixing hole 122 is matched with the first fixing shaft 36, and the second driving annular slope rail 13 is matched with the first driving head 32; the lock core 2 is rotatably arranged in the first mounting cavity 111, the lock core 2 is provided with a first key slot 21, a second marble mounting slot 22, a second synchronous telescopic slot 23, a verification rod slot 24 and other structures, and the verification rod slot 24 is matched with the verification rod 34; the marble is provided with a second verification groove 61 and a second driving end 62, and the second verification groove 61 is matched with the first verification tooth 341; the marble reset spring 6s drives the marble II 6 to do reset motion; the seal 7 is used for preventing the second pin 6 and the pin spring 6s from falling out of the second pin mounting groove 22.

A key 100, the key 100 includes the first key 101, etc., when the key 100 is inserted into the lock core, the first key 101 locates in the first key slot 21, the first key 101 has a unlocking slot one 1011, the unlocking slot one 1011 and the driving end one 52 are fitted; the first key 101 and the cylinder core 2 can rotate synchronously.

The original key 100 of embodiment 4 of the invention unlocks the working principle:

the unlocking operation principle of the master key 100 of the above embodiment 1 includes the unlocking operation principle of the embodiment 4, and will not be described here.

The invention embodiment 4 of the invention is the non-original key 100 can not unlock the anti-theft theory of operation:

Example 5

Referring to fig. 13, fig. 13 is an exploded view of another embodiment of a lock case 1 of a lock cylinder according to the present invention.

The present embodiment provides a lock case 1 of a key cylinder, including: the housing 11 and the cover member 12 are different from the above embodiments 1 to 2 in that the stopper 121 is provided on the housing 11.

Example 6

Referring to fig. 14, fig. 14 is a structural exploded view of a second scheme of the driving annular slope rail 13 of the unlocking tongue 3 of the lock cylinder; fig. 15 is an exploded view of a third embodiment of the driving annular slope rail 13 of the unlocking tongue 3 of the lock cylinder of the present invention; fig. 16 is an exploded view of a fourth embodiment of the driving annular slope rail 13 of the unlocking tongue 3 of the lock cylinder of the present invention.

The embodiment provides three arrangement position schemes of a second driving annular slope rail 13, which are disclosed by the invention: in a first alternative, as shown in fig. 14, the second driving circular slope rail 13 is arranged at the rear end 14 of the lock shell 1; in a second scheme, as shown in fig. 15, the second driving annular slope rail 13 is arranged in the first mounting cavity 111 of the lock shell 1; in a third scheme, as shown in fig. 16, the second driving annular slope rail 13 is arranged on the baffle and has 2 second driving annular slope rails 13 with different diameters, and the advantage of arranging 2 second driving annular slope rails 13 is that the rotation of the unlocking tongue 3 can be more balanced and the resistance is smaller.

Example 7

Referring to fig. 19, fig. 19 is a schematic structural view of a first key 101 of a key 100 according to the present invention.

In the present embodiment, a first key 101 of the present invention is provided, and the surface of the first key 101 contacting with the first key slot 21 is provided with an unlocking slot one 1011, and the unlocking slot one 1011 can increase the code amount of the key 100, and simultaneously reduce the mutual unlocking rate and increase the anti-theft performance.

It is to be understood that the disclosed embodiments of the invention are not limited to the particular process steps or materials disclosed herein, but rather, are extended to equivalents thereof as would be understood by those of ordinary skill in the relevant art. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. Thus, the appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

It should be noted that in the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed above.

It should be noted that the above embodiments are only one relatively preferable combination of the features of the present invention, and that various combinations of the features of the present invention may be made to further embodiments, and all combinations within the scope of the present invention are also within the scope of the present invention.

Claims

1. The utility model provides a spring bolt of separating of lock core, its rotatable and but the flexible establishment of axial displacement is on the lock core, and this lock core still includes components such as lock shell, lock courage, and wherein the rotatable first installation intracavity that establishes that is equipped with at this lock shell of this lock courage, its characterized in that: the unlocking tongue comprises a driving head I/a driving annular slope rail I, a lock tongue and a synchronous telescopic rod I/a synchronous telescopic groove I, wherein the lock tongue can be used for further driving a lock/an object/a switch of equipment to unlock or lock; the first synchronous telescopic link/the first synchronous telescopic slot is matched with the second synchronous telescopic link/the second synchronous telescopic slot which are arranged on the lock cylinder, so that the unlocking bolt and the lock cylinder can synchronously rotate.

2. The unlatching bolt of claim 1, wherein the bolt is integrated with the unlatching bolt, or the bolt is detachably fixed to the unlatching bolt.

3. The unlatching bolt of the key cylinder according to claim 1, further comprising a first unlatching bolt resetting device for urging the unlatching bolt to perform a resetting movement, wherein the resetting device is an object having any one of elasticity and magnetism.

4. The unlatching bolt of claim 1, wherein the lock housing is one piece or is divided into a first and a second detachable housing and cover members.

5. The unlatching tongue of claim 4, wherein a rear end of the housing is provided with a blocking plate and defines an active receiving cavity for the unlatching tongue.

6. The lock cylinder unlocking tongue as claimed in claim 4 or 5, wherein the lock housing is further provided with a second driving annular ramp/second driving head, the second driving annular ramp/second driving head is arranged at any one or more positions of the baffle, the rear end and the first mounting cavity, and the second driving annular ramp/second driving head is adapted to the first driving head/the first driving annular ramp to drive the latch plate to move axially.

7. The unlatching bolt of claim 1, wherein a first fixing shaft/a first fixing hole is further formed at one end of the unlatching bolt close to the first blocking plate, and a second fixing hole/a second fixing shaft adapted to the first fixing shaft/the first fixing hole is formed on the second blocking plate.

8. The unlocking tongue of the lock cylinder according to claim 1, further comprising a verification rod and a verification rod mounting groove, wherein the verification rod is provided with a verification tooth I and is arranged on the unlocking tongue, and can axially move in the verification rod mounting groove which is arranged in the lock cylinder and leads to the tail end; when the key is inserted, the key drives a marble/blade/magnetic piece/induction type component II in the lock cylinder to a specific position, if the key is an original key, the verification tooth I and the specific position pass through verification, and the unlocking tongue is allowed to axially move for unlocking; if the verification tooth is not matched with the specific position, the unlocking tongue is not allowed to axially move for unlocking once the verification tooth and the specific position cannot pass verification.

9. The unlatching tongue of the key cylinder according to claim 1 or 6, wherein the cylinder comprises a mounting groove provided with any one or more of a second pin/leaf/magnetic member/inductive member, wherein the mounting groove of the second pin/leaf communicates with the first key groove and the verifying rod mounting groove.

10. The unlatching tongue of the key cylinder according to claim 1, further comprising an annular groove, a linkage rod and a second mounting cavity, wherein the annular groove is formed on the unlatching tongue, the linkage rod is arranged in the second mounting cavity of the lock case, a linkage head of the linkage rod is adapted to move in the annular groove, and the unlatching tongue and the linkage rod are driven to synchronously move axially, and the linkage rod is adapted to a related assembly of pin tumbler/blade/magnetic member/induction type arranged in the lock case.

11. A lock cylinder comprising a lock housing, a cylinder and the like, wherein the lock housing comprises a lock shell in a deadbolt opening of a lock cylinder according to any one of claims 1, 3, 4, 8 or 9, and the cylinder comprises a cylinder in a deadbolt opening of a lock cylinder according to any one of claims 1, 6 or 7.

12. A key adapted to the anti-theft lock cylinder according to any one of claims 1 to 11, wherein the key comprises a first key, a second key disengageable from the first key, the first key being insertable into the first keyway through the keyway, the second key being insertable into the second keyway through the keyway, at least one of the first key and the second key being provided with an unlocking slot adapted to the tumbler/blade.