CN114233107B

CN114233107B - Unlocking tongue of lock cylinder, lock cylinder and key thereof

Info

Publication number: CN114233107B
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: 2024-03-15
Anticipated expiration: 2041-10-27
Also published as: CN114233107A

Abstract

The unlocking bolt comprises a synchronous telescopic rod I, a verification rod and the like, and the bolt is used for driving a switch of a lockset/object/device to unlock or lock; the first synchronous telescopic rod is matched with the second synchronous telescopic groove arranged on the lock liner and used for enabling the unlocking tongue to rotate synchronously with the lock liner, the annular groove is matched with the linkage head arranged on the linkage rod and can enable the linkage rod to move axially synchronously with the unlocking tongue, so that one of the hidden verification conditions can be met, and the linkage rod is matched with components such as a blade/marble component and the like arranged on the lock shell; the verification rod is provided with the verification tooth I which can be verified with the blade/marble two-component arranged on the lock liner, so that the password quantity of the lock core is increased to increase the anti-theft coefficient and reduce the mutual unlocking rate.

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 unlocking bolt of a lock cylinder.

Background

Currently, locks on the market are various in variety and different in structure. The mechanical lock is the lock which is most widely applied in life, is not influenced by occasions and environment, and has high stability.

The lock cylinders are not spring lock cylinders or leaf lock cylinders, as shown in fig. 1, the lock cylinders (1) all need lock bolts (2)/(3) to drive a switch in a lock to achieve the aim of unlocking the lock, the lock bolts on the market at present are composed of three types of structures, wherein the first lock bolt is composed of only one lock bolt, the second lock bolt is provided with an unlocking bolt (2) with a rotating disc and a lock bolt combination (shown in fig. 1), and the third lock bolt is provided with a gear bolt (3) with a rotating disc and a tooth combination (shown in fig. 1). 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 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 provide an unlocking tongue of a lock cylinder, the lock cylinder and a key thereof, wherein the unlocking tongue of the lock cylinder mainly separates the rotating disc from the lock tongue/teeth, and then the rotating tongue is rotatably arranged on the outer wall of the rotating disc, so that the unlocking tongue can rotate to move and can also move axially well when the lock is driven by unlocking.

In order to achieve the above object, the technical solution of the present invention is: the utility model provides an unblock tongue of lock core, but its rotatable and axial displacement telescopic establish on the lock core, this lock core still includes components such as lock shell, lock courage, and wherein this lock courage rotatable establishes in the first installation intracavity that this lock shell was equipped with, 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 switch of a lockset/an object/a device to unlock or lock; the first synchronous telescopic rod/first synchronous telescopic slot is matched with the second synchronous telescopic rod/second synchronous telescopic slot arranged on the lock liner, and is used for promoting the unlocking tongue and the lock liner to 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 promoting the reset motion of the unlocking tongue, and the reset device adopts an object with any one of elasticity and magnetism, wherein the elastic object is a spring, and the magnetic object is a magnetic element.

Preferably, the lock shell is integrated or divided into a first detachable shell and a second detachable cover.

Preferably, the rear end of the lock housing is provided with a baffle plate and an unlocking tongue accommodating cavity is formed.

Preferably, the lock shell is further provided with a driving annular slope rail II/a driving head II, the driving annular slope rail II/the driving head II is arranged at any one position or a plurality of positions in the baffle plate, the rear end and the first mounting cavity, and the driving annular slope rail II/the driving head II is matched with the driving head I/the driving annular slope rail I so as to promote the lock tongue plate to do axial movement.

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 verifying rod is provided with a tooth for verifying and is arranged on the unlocking bolt and can axially move in a verifying rod mounting groove which is arranged in the lock liner 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 liner to a specific position, and if the key is an original key, the verification rod and the specific position pass verification, and then the unlocking bolt is allowed to axially move to unlock; if the verification rod cannot pass through verification with the specific position if the key is not matched with the original key, the unlocking bolt is not allowed to axially move to unlock.

Preferably, the lock cylinder comprises a mounting groove provided with any one or more of a marble/blade/magnetic piece/induction type member II, wherein the mounting groove of the marble/blade II is communicated with the first key groove and the verification rod mounting groove.

Preferably, the annular groove is arranged on the unlocking bolt, the linkage rod is arranged in a second installation cavity arranged in the lock shell, the linkage head arranged on the linkage rod can adaptively move in the annular groove, and the unlocking bolt and the linkage rod are driven to synchronously and axially move, wherein the linkage rod is adaptive to a marble/blade/magnetic piece/induction type related component arranged in the lock shell.

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

The invention also provides a key, which comprises a first key and a second key which can be separated from 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 which is matched with the marble/blade one or the marble/blade two.

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

1. the first driving head/first driving annular slope rail, the first locking tongue and the first synchronous telescopic rod/first synchronous telescopic groove are arranged on the unlocking tongue, so that the locking tongue can axially move and synchronously rotate with the lock liner to unlock after the hiding verification is passed.

2. By detachably arranging the lock tongue on the unlocking tongue, the assembly can be facilitated, and the implementation scheme is increased.

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

4. The unlocking bolt is provided with the annular groove to be matched with the linkage rod, so that any one or more of a marble, a blade, a magnetic piece and an induction type component can be additionally arranged on the lock shell, the password quantity of the lock core and the key can be increased, the function of hiding, verifying and unlocking can be realized, the anti-theft performance is improved to the greatest extent, and the mutual unlocking 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 groove, which is equivalent to the combination of 2 keys and 2 lock cylinders, so that the technical unlocking can be stopped, the password quantity of the lock cylinders is greatly increased, the mutual unlocking rate is reduced, and the anti-theft performance is improved to the maximum extent.

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.

It is apparent that these and other objects of the present invention will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention, without limitation to the invention.

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

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the invention, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a conventional lock cylinder

FIG. 2 is a schematic exploded view of the unlocking tongue of a lock cylinder and a first embodiment of a lock cylinder and key according to the present invention;

FIG. 3 is a schematic view of the structural assembly of FIG. 2;

FIG. 4 is a schematic diagram illustrating a partial structure of the unlocking principle of FIG. 2 when unlocking is not performed;

FIG. 5 is a schematic diagram showing a partial structure of the unlocking principle of FIG. 2 in a first step when an original key is used for unlocking;

FIG. 6 is a schematic diagram showing the relationship between the partial structures of the second step of unlocking by the original key according to the unlocking principle of FIG. 2;

fig. 7 is a schematic diagram of a partial structure matching relationship of the unlocking principle of fig. 2 in the step three when the original key is used for unlocking;

FIG. 8 is a schematic diagram showing the relationship between the partial structures of the first step of unlocking by a non-original key according to the unlocking principle of FIG. 2;

FIG. 9 is a schematic diagram showing a partial structure of the unlocking principle of FIG. 2 in a second step when unlocking by a non-original key;

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

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

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

FIG. 13 is an exploded view of a lock cylinder housing of the present invention in one embodiment;

fig. 14 is a structural exploded view of a second solution of the invention for driving a second annular ramp rail by unlocking a lock tongue;

fig. 15 is a structural exploded view of a third solution of the invention for unlocking a tongue and driving a second annular ramp rail;

fig. 16 is a structural exploded view of a fourth aspect of the invention for unlocking a lock cylinder to drive a second annular ramp;

FIG. 17 is a schematic view of a second cylinder of the lock cylinder according to the present invention;

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

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

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

the main reference numerals illustrate:

1. a shell;

11. a first shell; 111. a first mounting cavity; 112. a second mounting cavity; 113. a marble/blade mounting groove;

114. second key slot

12. A second cover member; 121. a stop block; 122. a second fixing hole/a second fixing shaft; 123. unlocking the tongue movable accommodating cavity;

13. the driving head II/the driving annular slope rail II;

14. a rear end;

2. locking the liner;

21. a first key slot; 22. a marble/blade two-mounting groove; 23. synchronous telescopic rod II/synchronous telescopic groove II;

24. verification groove

3. Unlocking the lock tongue;

31. a bolt; 311. a bolt mounting groove;

32. driving head one/driving annular slope rail one; 33. synchronous telescopic rod I/synchronous telescopic groove I;

34. a verification bar; 341. verifying the first tooth; 35. an annular groove; 36. a first fixing shaft/a first fixing hole;

3s, unlocking the tongue resetting device; 3s, unlocking the tongue reset spring;

4. a linkage rod;

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

5. cylinder/blade one; 5. a blade-one assembly;

51. verifying the first groove; 52. a first driving end;

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

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

61. a verification groove II; 62. a driving end II;

6s, a ball/blade two-reset device; 6s, a spring return spring of the ball two-component;

7. sealing; 7. marble two-seal

100. Key with a key

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

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

200. a switch (of a lock, a device, a door or window, etc.);

300. the lock tongue axially moves a position reference line;

Detailed Description

The following will describe embodiments of the present invention in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present invention, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that, as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection 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 in the specific manner described herein.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that direct connection indicates that the two bodies connected together do not form a connection relationship through a transition structure, but are connected together to form a whole through a connection structure. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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 a schematic exploded view of the unlocking tongue 3 of a lock cylinder and a first embodiment of a lock cylinder and key 100 according to the present invention; FIG. 3 is a schematic view of the structural assembly of FIG. 2; fig. 4 is a schematic structural diagram of the unlocking principle of fig. 2 when unlocking is not rotated; fig. 5 is a schematic structural diagram of the unlocking principle of fig. 2, which is a step one of unlocking by the original key 100; fig. 6 is a schematic structural diagram of the unlocking principle of fig. 2 in the second step when the original key 100 is unlocked; fig. 7 is a schematic diagram of the unlocking principle of fig. 2, which is a step one of unlocking by the non-original key 100; fig. 8 is a schematic structural diagram of the unlocking principle of fig. 2 in the second step when the non-original key 100 is unlocked; fig. 14 is a structural exploded view of a second scheme of driving the annular ramp rail two 13 by the unlocking tongue 3 of the lock cylinder; fig. 15 is a structural exploded view of a third embodiment of the invention, in which the unlocking tongue 3 of the lock cylinder drives the second annular ramp 13; fig. 16 is a structural exploded view of a fourth aspect of the invention, in which the unlocking tongue 3 of the lock cylinder drives the second annular ramp 13; fig. 17 is a schematic structural view of a pin tumbler two 6 of a lock cylinder according to the present invention; fig. 18 is a schematic structural view of a first blade 5 of a lock cylinder according to the present invention; fig. 19 is a schematic structural view of a first key 101 of a key 100 according to the present invention; fig. 20 is a schematic diagram of a second key 102 of the key 100 according to the present invention.

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

the unlocking bolt 3, the unlocking bolt 3 comprises a first driving head 32, a first 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, and the first bolt 31 is used for driving the switch 200;

the lock cylinder also comprises unlocking tongue reset spring 3s, a first shell 11, a second cover piece 12, a lock liner 2, a linkage rod 4, a first blade component 5, a first blade component reset spring 5s, a second marble component 6, a second marble component reset spring 6s, a sealing piece 7 and other components; wherein the first shell 11 is provided with a first mounting cavity 111, a first blade mounting groove 113, a second key groove 114 and the like; wherein the unlocking tongue return spring 3s is used for promoting the unlocking tongue 3 to do a return motion; the rear end 14 of the second cover member 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 cylinder 2 is rotatably arranged in the first mounting cavity 111, the lock cylinder 2 is provided with a first key slot 21, a two-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 axially move; the first vane component 5 and the first vane component return spring 5s are arranged in the first vane mounting groove 113, the first vane 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 drives the first blade 5 to do return motion; 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 return spring 6s promotes the marble 6 to do return motion; the seal 7 prevents the second pin 6 and the pin spring 6s from coming off the second pin mounting groove 22.

A key 100, the key 100 includes a first key 101, a second key 102 that is capable of being separated from the first key 101, and the like, when the key 100 is inserted into a lock cylinder, the first key 101 is located in the first key slot 21, the second key 102 is located in the second key slot 114, wherein the first key 101 and the second key 102 are respectively provided with an unlocking slot I1011 and an unlocking slot II 1021, the unlocking slot I1011 is matched with the driving end I52, and the unlocking slot II 1021 is matched with the driving end II 62; wherein the first key 101 is rotatable synchronously with the cylinder 2.

Principle of operation of unlocking an original key 100 according to embodiment 1 of the present invention:

step one: as shown in fig. 4 and 5, assuming that the key 100 (including the first key 101 and the second key 102) is original, when the key cylinder is inserted from the outside, the first key 101 is located in the first key slot 21 and drives each pin tumbler two 6 to a specific unlocking position, and the second key 102 is located in the second key slot 114 and drives each blade one 5 to a specific unlocking position; and (1) the first driving head 32 of the unlocking tongue 3 is positioned on the upward slope of the second driving annular slope rail 13; (2) the lock tongue 31 is positioned right above the unlocking tongue 3; (3) the deadbolt axial movement position reference line 300 is spaced apart (side view) from the switch 200; (4) the verification tooth two 42 of the linkage rod 4 is positioned on the right side of the blade one 5 and is not contacted with the blade one; (5) the first check tooth 341 of the check rod 34 is located on the right side of the pin two 6 and is not in contact.

Step two: as shown in fig. 6, assuming that the key 100 is turned 90 °, the first key 101 drives the lock cylinder 2 to rotate synchronously, and the second key 102 and the lock case 1 remain stationary, the second key 102 and each blade 5 will perform the hidden verification; and (1) the first driving head 32 of the unlocking tongue 3 slides from the original ascending slope to the descending slope of the second driving annular slope rail 13; (2) the lock tongue 31 rotates to the side of the unlocking tongue 3; (3) the bolt axial movement position reference line 300 intersects the switch 200 (side view); (4) the verification tooth two 42 of the linkage rod 4 passes through the hidden verification of the blade one 5, and moves axially to the left of the blade one 5 and possibly contacts with the blade one 5; (5) the first check tooth 341 of the check rod 34 passes the check of the second pin 6 and moves axially to the left of the second pin 6 and possibly contacts.

Step three: as shown in fig. 7, when the key 100 is turned again by a few degrees, the first key 101 continues to rotate the lock cylinder 2 synchronously, and the second key 102 and the lock case 1 still remain stationary; and (1) the first driving head 32 of the unlocking tongue 3 is still positioned on the downhill slope of the second driving annular slope rail 13; (2) the latch 31 is located below the unlatching tab 3 to actuate the switch 200; (3) the deadbolt axial movement position reference line 300 remains intersected (side view) by the switch 200; (4) the verification tooth two 42 of the linkage rod 4 is positioned on the left side of the blade one 5 and can be contacted unchanged; (5) the first checking tooth 341 of the checking rod 34 is located on the left side of the pin two 6 and may be in constant contact.

Step four: as described 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 by only continuing forward or reverse rotation of the key 100 to complete 360 ° or turning the key back to the original position and pulling out the key 100.

The principle of antitheft operation of the non-original key 100 or master key 100 of embodiment 1 of the present invention is that it cannot be unlocked:

step one: as shown in fig. 4 and 5, assuming that the key 100 (including the first key 101 and the second key 102) is a non-original or master tool, when the key cylinder is inserted from the outside, the first key 101 is located in the first key slot 21 and drives the blades to the non-specific unlocking position, and the second key 102 is located in the second key slot 114 and drives the pins to the non-specific unlocking position; and (1) the first driving head 32 of the unlocking tongue 3 is positioned on the upward slope of the second driving annular slope rail 13; (2) the lock tongue 31 is positioned right above the unlocking tongue 3; (3) the deadbolt axial movement position reference line 300 is spaced apart (side view) from the switch 200; (4) the verification tooth two 42 of the linkage rod 4 is positioned on the right side of the blade one 5 and is not contacted with the blade one; (5) the first check tooth 341 of the check rod 34 is located on the right side of the pin two 6 and is not in contact.

Step two: as shown in fig. 8, assuming that the key 100 is turned 90 °, the first key 101 drives the lock 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 subjected to hidden verification; and (1) the first driving head 32 of the unlocking tongue 3 does not slide from the original ascending slope to the descending slope of the second driving annular slope rail 13, but is separated from the descending slope and the distance is slightly smaller than the distance between the ascending slope and the descending slope; (2) the lock tongue 31 rotates to the side of the unlocking tongue 3; (3) the bolt axial movement position reference line 300 is thrown away (side view) from the switch 200; (4) the verification teeth 42 of the linkage rod 4 and the first blades 5 cannot pass through the hidden verification, and cannot smoothly move axially and still are positioned on the right side of the first blade 5 and blocked; (5) the first checking tooth 341 of the checking rod 34 and the second pins 6 cannot pass the checking, and cannot move smoothly axially and still be located on the right side of the second pins 6 and blocked.

Step three: as shown in fig. 7, when the key 100 is turned again by a few degrees, the first key 101 continues to drive the lock cylinder 2 to rotate synchronously, and the second key 102 and the lock case 1 still remain stationary; and (1) the first driving head 32 of the unlocking tongue 3 is still separated from the downward slope of the second driving annular slope rail 13 (side view); (2) the lock tongue 31 is located below the unlocking tongue 3 and cannot touch the switch 200, i.e. cannot be driven; (3) the bolt axial movement position reference line 300 remains separated from the switch 200, (4) the second validating tooth 42 of the linkage rod 4 is still located on the right side of the first blade 5 and is blocked, (5) the first validating tooth 341 of the validating rod 34 is still located on the right side of the second marble 6 and is blocked.

Step four: as described in the third step, the bolt 31 cannot touch the switch 200 (side view), and thus cannot drive the switch 200 to unlock, and the lock will idle no matter how many turns the bolt is rotated or reversed.

Example 2

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

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

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

the lock cylinder also comprises unlocking tongue reset springs 3s, a first shell 11, a second cover piece 12, a lock liner 2, a linkage rod 4, a first blade assembly 5, a first blade assembly reset spring 5s and other components; wherein the first shell 11 is provided with a first mounting cavity 111, a first blade mounting groove 113, a second key groove 114 and the like; wherein the unlocking tongue return spring 3s is used for promoting the unlocking tongue 3 to do a return motion; the rear end 14 of the second cover member 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 liner 2 is rotatably arranged in the first mounting cavity 111, and the lock liner 2 is provided with a first key slot 21, a synchronous telescopic slot two 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 axially move; the first vane component 5 and the first vane component return spring 5s are arranged in the first vane mounting groove 113, the first vane 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 blade one return spring 5s urges the blade one to perform a return motion.

A key 100, the key 100 includes a first key 101, a second key 102 that is separable from the first key 101, and the like, when the key 100 is inserted into a lock cylinder, the first key 101 is located in the first key slot 21, the second key 102 is located in the second key slot 114, wherein the second key 102 is provided with a second unlocking slot 1021, and the second unlocking slot 1021 and the second driving end 62 are adapted; wherein the first key 101 is rotatable synchronously with the cylinder 2.

Principle of operation of unlocking the original key 100 according to embodiment 2 of the present invention:

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

The principle of antitheft operation of the non-original key 100 or master key 100 of embodiment 2 of the present invention is that it cannot be unlocked:

the principle of the anti-theft operation in which the non-original key 100 or the master key 100 of the above embodiment 1 cannot be unlocked includes the principle of the anti-theft operation in which the unlocking of the present embodiment 2 is performed, and will not be described here.

Example 3

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

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

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

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

it should be noted that, in this embodiment, only the structures of the first synchronous expansion link 33 and the second synchronous expansion link 23 in embodiments 1 and 2 are intentionally exchanged for the first synchronous expansion link 33 and the second synchronous expansion link 23, so as to inform that similar structures described above and described later can be exchanged for each other, and any behavior imitating the embodiment falls within the scope of the present invention.

Example 4

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

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

The lock cylinder also comprises unlocking tongue reset spring 3s, lock shell 1, lock liner 2, two-component-in-cylinder 6, two-component-in-cylinder reset spring 6s, sealing piece 7 and other components; wherein 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 cylinder 2 is rotatably arranged in the first mounting cavity 111, the lock cylinder 2 is provided with a first key slot 21, a second marble mounting slot 22, a second synchronous expansion 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 second marble 6 is driven to do reset motion by the marble reset spring 6 s; the seal 7 prevents the second pin 6 and the pin spring 6s from coming off the second pin mounting groove 22.

A key 100, the key 100 includes a first key 101 and other components, when the key 100 is inserted into a lock cylinder, the first key 101 is located in the first key slot 21, the first key 101 is provided with an unlocking slot 1011, and the unlocking slot 1011 is matched with the driving end 52; the first key 101 is rotatable synchronously with the cylinder 2.

The principle of unlocking operation of the original key 100 of embodiment 4 of the present invention is as follows:

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

The anti-theft principle of the non-original key 100 of the embodiment 4 of the present invention that the lock cannot be unlocked:

Example 5

Referring to fig. 13, fig. 13 is a structural exploded view of another version of the lock housing 1 of a lock cylinder according to the present invention.

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

Example 6

Referring to fig. 14, fig. 14 is a structural exploded view of a second aspect of the present invention, in which the unlocking tongue 3 of the lock cylinder drives the second annular ramp 13; fig. 15 is a structural exploded view of a third embodiment of the invention, in which the unlocking tongue 3 of the lock cylinder drives the second annular ramp 13; fig. 16 is a structural exploded view of a fourth embodiment of the invention, in which the unlocking tongue 3 of the lock cylinder drives the second annular ramp 13.

The embodiment provides three setting position schemes for driving the annular slope rail II 13: the first scheme is shown in fig. 14, and the second driving annular slope rail 13 is arranged at the rear end 14 of the lock case 1; in a second embodiment, as shown in fig. 15, the second driving annular ramp 13 is disposed in the first mounting cavity 111 of the lock case 1; the third scheme is shown in fig. 16, the second driving annular ramp 13 is arranged on the baffle, and the second driving annular ramp 13 has 2 driving annular ramp 13 with different diameters, and the advantage of arranging the second driving annular ramp 13 is that the unlocking tongue 3 can be rotated more balanced and the resistance is smaller.

Example 7

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

The first key 101 of the present embodiment is provided with the unlocking slot 1011 on the contact surface of the first key 101 with the first key slot 21, and the unlocking slot 1011 can increase the code amount of the key 100, reduce the mutual unlocking rate and increase the anti-theft performance.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. 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, 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 while the above description sets forth numerous specific details for a thorough understanding of the present invention, the present invention may be practiced in other ways than those described herein, and the scope of the present invention is therefore not limited to the specific embodiments disclosed above.

It should be noted that the above embodiment is only a preferred combination of some of the features of the present invention, and various combinations of the features of the present invention can be further implemented, and further embodiments are all within the scope of the present invention.

Claims

1. The utility model provides an unblock tongue of lock core, but its rotatable and axial displacement telescopic establish on the lock core, this lock core still includes lock shell, lock courage, and wherein this lock courage rotatable establishes in the first installation intracavity that this lock shell was equipped with, 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 switch of a lockset/an object/equipment to unlock or lock; the first synchronous telescopic rod is matched with the second synchronous telescopic groove arranged on the lock liner, or the first synchronous telescopic groove is matched with the second synchronous telescopic rod arranged on the lock liner, so that the unlocking tongue and the lock liner are driven to synchronously rotate, a baffle plate is arranged at the rear end of the lock shell, an unlocking tongue movable accommodating cavity is formed, the lock shell is also 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 position or positions in the baffle plate, the rear end and the first mounting cavity, the second driving annular slope rail/the second driving head is matched with the first driving head/the first driving annular slope rail to drive the lock tongue plate to axially move, and the lock tongue plate further comprises a verification rod and a verification rod mounting groove, wherein the verification rod is provided with a first verification tooth and is arranged on the unlocking tongue, and can axially move in the verification rod mounting groove, and the verification rod mounting groove is arranged in the lock liner and leads to the tail end.

2. The unlocking tab of the lock cylinder according to claim 1, wherein the locking tab is integral with the unlocking tab or the locking tab is detachably fixed to the unlocking tab.

3. The unlocking tongue of claim 1, further comprising a first unlocking tongue resetting device for causing the unlocking tongue to perform a resetting motion, the first resetting device being an object having any one of elasticity and magnetism.

4. The unlocking tongue of the lock cylinder according to claim 1, wherein the lock housing is integral or divided into a first detachable housing and a second detachable cover.

5. The unlocking tongue of claim 1, wherein the unlocking tongue is further provided with a first fixing shaft/a first fixing hole at one end close to the baffle plate, and a second fixing hole/a second fixing shaft adapted to the first fixing shaft/the first fixing hole is provided on the baffle plate.

6. The unlocking tongue of claim 1, wherein when the key is inserted, the key drives the pin/blade/magnet/inductive element two in the cylinder to a specific position, and if the key is an original key, the first verification tooth verifies with the specific position and allows the unlocking tongue to axially move for unlocking; if the verification tooth is not matched with the original key, the verification tooth cannot pass through the verification with the specific position, and the unlocking bolt is not allowed to axially move to unlock.

7. The unlocking tongue of the lock cylinder according to claim 1, wherein the lock cylinder comprises a mounting groove provided with any one or more of a pin/blade/magnetic member/inductive member two, and a pin/blade, a first key groove, wherein the pin/blade mounting groove communicates with the first key groove and the authentication lever mounting groove.

8. The unlocking tongue of claim 1, further comprising an annular groove, a linkage rod, and a second mounting cavity, wherein the annular groove is disposed on the unlocking tongue, the linkage rod is disposed in the second mounting cavity disposed on the lock housing, a linkage head disposed on the linkage rod is adapted to move in the annular groove, and the unlocking tongue and the linkage rod are driven to move axially synchronously, wherein the linkage rod is adapted to a marble/blade/magnetic/inductive-type related component disposed on the lock housing.

9. A lock cylinder comprising a lock shell, a lock liner and an unlocking bolt, wherein the unlocking bolt is the unlocking bolt of the lock cylinder according to any one of claims 1 to 8, the lock shell is the lock shell in the unlocking bolt of the lock cylinder according to any one of claims 1 to 8, and the lock liner is the lock liner in the unlocking bolt of the lock cylinder according to any one of claims 1 to 8.

10. A key for mating with the lock cylinder of claim 9, wherein the key comprises a first key, a second key which is separable from the first key, the first key being insertable into the first key slot through the key slot, the second key being insertable into the second key slot through the key slot, at least one of the first key and the second key being provided with an unlocking slot for mating with the pin/blade.