CN220226518U - Anti-riot unlocking lockset - Google Patents

Abstract

An anti-violent unlocking lockset comprises a lock shell, a first lock cylinder component, a locking plate positioned at the inner end of the lock shell, a knob positioned at the outer end of the lock shell and a second lock cylinder component; one of the first lock core component and the knob is provided with an anti-riot cavity, and the other is provided with a transmission groove; the anti-riot chamber is internally provided with a clutch type transmission assembly which is provided with anti-riot convex teeth; the violence-preventing convex teeth can be clamped into the transmission grooves, so that the knob and the first lock cylinder component form transmission fit; the anti-violence convex teeth can be withdrawn out of the transmission groove, so that the knob and the first lock core component are staggered and form transmission separation. According to the utility model, through the arrangement of the clutch type transmission assembly, under the condition that a user does not unlock and violently uses the knob, the knob can be independently rotated and the first lock core assembly is not rotated, so that the first lock core assembly and the second lock core assembly are prevented from being stressed mutually, and an effective protection effect of violent opening prevention is achieved.

Description

Anti-riot unlocking lockset

Technical Field

The utility model relates to the technical field of locks, in particular to an anti-riot unlocking lock.

Background

The lock is applied to doors, drawers and other places, and is widely applied to household simple locks of doors and drawers. The main components of the mechanical lock comprise a lock shell and a lock core, the mechanical lock is fixed with a door plate through the lock shell, the lock core is arranged in the lock shell, and after a key of a lockset is inserted, the lock core can be rotated through the key, so that the lock core rotates relative to the lock shell, and unlocking is realized.

Referring to patent document CN218375835U, a mechanical lock with multiple unlocking modes is disclosed, comprising a housing; the lock core assembly comprises a knob shell partially exposed outside the shell, a mechanical lock core and a lock sheet assembly; an angle limiting piece is arranged between the knob shell and the mechanical lock cylinder, and is an annular sheet body sleeved on the mechanical lock cylinder and in clearance fit with each other; the outer side of the annular sheet body is provided with a convex point, the inner side of the knob shell is provided with a groove, and the convex point is clamped into the groove, so that the annular sheet body and the knob shell are connected into a whole; the rotation limiting groove is formed in the inner side of the annular sheet body, the mechanical lock cylinder is provided with a rotation limiting block, and the rotation limiting block stretches into the rotation limiting groove and can rotate in the space of the rotation limiting groove. When the rotary lock is used, a user rotates the knob shell, and at the moment, the annular sheet body and the knob shell rotate in a one-pass way and are transmitted to the mechanical lock cylinder through the abutting relation, so that the mechanical lock cylinder drives the lock plate assembly to move, and the unlocking or locking function is achieved. As can be seen by referring to the drawings, when the lock is in the locked state, the lock cannot be opened under normal conditions. The user can not finish unlocking on one hand under the condition that the correct password is not input, and the parts such as the knob shell, the character wheel shaft and the like are deformed and damaged due to violent twisting; on the other hand in some products, in order to guarantee under the violent twist of external force, do not damage the inside locking mechanism of tool to lock and cause unblanking, generally can set up the fracture groove on the knob structure, make it fracture under the violent twist, protect the tool to lock still to be in the locking state, but if the spare part of fracture is not changed afterwards, the tool to lock can't normally work.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the anti-violent unlocking lockset, which can ensure that parts in the lockset are not damaged under the violent torsion of external force, has good protection effect and prolongs the service life of the lockset.

The technical scheme for solving the technical problems is as follows: an anti-riot unlocking lockset comprises a lock shell, a first lock cylinder component movably arranged in the lock shell, a locking plate positioned at the inner end of the lock shell and connected with the first lock cylinder component, a knob positioned at the outer end of the lock shell, and a second lock cylinder component used for limiting the first lock cylinder component;

one of the first lock core component and the knob is provided with an anti-riot cavity, and the other is provided with a transmission groove; the anti-riot chamber is internally provided with a clutch type transmission assembly which is provided with anti-riot convex teeth;

the violence-preventing convex teeth can be clamped into the transmission grooves, so that the knob and the first lock cylinder component form transmission fit;

the anti-riot convex teeth can be withdrawn out of the transmission groove, so that the knob and the first lock core component are staggered and form transmission separation.

With regard to the further setting of above-mentioned technical scheme, separation and reunion formula drive assembly include drive block and elastic component, anti-riot dogtooth shaping on the drive block, the elastic component act on the drive block to make the anti-riot dogtooth on the drive block have the motion trend of card income to the transmission groove all the time.

With respect to the technical scheme, the anti-riot cavity is provided with the limiting column, a movable gap is formed between the transmission block and the limiting column, and the height of the movable gap is not smaller than that of the anti-riot convex tooth.

Preferably, the elastic element is an anti-riot spring, and the anti-riot spring is at least partially sleeved on the limit post.

In some preferred embodiments of the present utility model, the first lock cylinder assembly includes a lock sleeve, a first lock cylinder body disposed in the lock sleeve, and a blade disposed in the first lock cylinder body, and a through key hole is formed between the knob, the transmission assembly and the first lock cylinder body.

The technical scheme is further characterized in that a linkage block is arranged on the first lock cylinder body, a linkage groove is formed in the lock sleeve, and the linkage blocks are inserted into the linkage groove and mutually abutted to form transmission fit;

and the size of the linkage groove is larger than that of the linkage block so as to form a free travel gap.

Regarding the technical scheme, the lock sleeve is further provided with a limit stop which is arranged on the first lock cylinder body in an outward protruding way, and the lock sleeve is provided with a stop step which can be in limit fit with the first lock cylinder body.

In some preferred embodiments of the present utility model, the second cylinder assembly includes a lock rod, a second cylinder body for driving the lock rod, and the lock sleeve is provided with a lock groove, and the lock rod can be inserted into the lock groove to limit the movement of the lock sleeve.

Preferably, the lock shell is also provided with a positioning piece and a positioning spring acting on the positioning piece, the side wall of the knob is provided with a plurality of angle grooves, and the positioning piece can be clamped into any one of the angle grooves.

Preferably, the anti-riot lobe has sloped wedge-shaped sidewalls.

The complete use actions of the utility model are as follows:

1. normal unlocking: firstly, unlocking is carried out on the second lock cylinder body, the lock rod withdraws out of the lock groove on the lock sleeve, then the user rotates the knob, and the violence-preventing convex tooth is in transmission engagement with the first lock cylinder body at the moment, so that the knob drives the first lock cylinder body to rotate (meanwhile, the first lock cylinder body drives the lock sleeve to rotate together through the linkage block), and the unlocking function of the lockset is realized.

2. Emergency unlocking: the key is inserted into the key hole and then rotated, so that the knob and the first lock cylinder body can be directly driven to rotate, and at the moment, the lock sleeve does not rotate and does not interfere with the formation of the first lock cylinder body due to the arrangement of the idle stroke gap, so that the emergency unlocking function of the lockset is realized.

3. Anti-riot opening: under the condition that the second lock cylinder body is not unlocked, the second lock cylinder component is interfered with the first lock cylinder component structure and generates acting force (resistance), the anti-riot convex tooth transmits the resistance to the elastic piece to force the elastic piece to shrink, so that the anti-riot convex tooth is withdrawn into a movable gap outside the transmission groove, the knob and the first lock cylinder component are staggered mutually and form transmission separation, at the moment, the knob is independently rotated when the user forcibly rotates the knob, the first lock cylinder component is not rotated, the first lock cylinder component and the second lock cylinder component are prevented from being stressed mutually, and the protection effect of effective anti-riot opening is achieved.

The utility model has the beneficial effects that: through clutch type transmission assembly's setting, under the user does not unblock and violently use the knob circumstances, can make knob and first lock core subassembly stagger each other and form the transmission and break away from, the knob rotates alone and first lock core subassembly does not rotate to prevent first lock core subassembly and the mutual atress of second lock core subassembly, play the effectual guard action that prevents violently opens.

Drawings

Fig. 1 is a schematic view of the structure of the present utility model in a locked state.

Fig. 2 is a cross-sectional view of the present utility model in a locked state.

Fig. 3 is a schematic view of the structure of the normal unlocking state of the present utility model.

Fig. 4 is a cross-sectional view of the normal unlocked state of the present utility model.

Fig. 5 is a schematic view of the structure of the emergency unlocking state of the present utility model.

Fig. 6 is a cross-sectional view of the emergency unlocked state of the present utility model.

Fig. 7 is an exploded view of the present utility model.

Fig. 8 is a schematic view of the structure of the first plug assembly in a locked state.

Fig. 9 is another angular schematic view of the first plug assembly in a locked state.

Fig. 10 is a schematic view of the structure of the first plug assembly in an unlocked state.

Fig. 11 is another angular schematic view of the first plug assembly in an unlocked state.

Fig. 12 is an exploded view of the knob.

Fig. 13 is a schematic structural view of the lock sleeve.

Fig. 14 is a schematic structural view of the first plug assembly.

In the figure: 1. a lock case; 2. a first plug assembly; 201. a lock sleeve; 2011. a linkage groove; 2012. a stop step; 202. a first lock cylinder body; 2021. a linkage block; 2022. a limit stop; 2023. a transmission end face; 203. a blade; 204. a key hole; 205. a locking groove; 3. a locking plate; 4. a knob; 401. an angle groove; 5. a second plug assembly; 501. a lock lever; 502. a second lock cylinder body; 6. an anti-riot chamber; 601. a limit column; 7. a transmission groove; 8. a clutch-type transmission assembly; 801. violence-proof convex teeth; 802. a wedge-shaped sidewall; 803. a transmission block; 804. an elastic member; 9. a clearance gap; 10. a free travel gap; 11. a positioning piece; 12. a positioning spring; 13. a key.

Detailed Description

The utility model will be further described with reference to the drawings and specific examples. It should be noted that the examples are only specific to the present utility model and are for the purpose of better understanding of the technical solutions of the present utility model to those skilled in the art, and should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience of description and simplicity of description, only as to the orientation or positional relationship shown in the drawings, and not as an indication or suggestion that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 14, an anti-riot lock comprises a lock case 1, a first cylinder assembly 2 movably disposed in the lock case 1, a locking plate 3 positioned at an inner end of the lock case 1 and connected to the first cylinder assembly 2, a knob 4 positioned at an outer end of the lock case 1, and a second cylinder assembly 5 for restricting the first cylinder assembly 2;

one of the first lock cylinder component 2 and the knob 4 is provided with an anti-riot cavity 6, and the other is provided with a transmission groove 7; the anti-riot chamber 6 is internally provided with a clutch type transmission assembly 8, and the clutch type transmission assembly 8 is provided with anti-riot convex teeth 801;

the foregoing is a basic scheme of the present utility model, which generally has 2 unlocking modes: 1. the normal unlocking is realized, the user firstly unlocks the second lock core assembly 5 to release the first lock core assembly 2, and then the first lock core assembly 2 is rotated and unlocked through the knob 4, so that the unlocking function of the whole lockset is realized; 2. under the condition that the second lock core assembly 5 is not unlocked, the first lock core assembly 2 is directly rotated and unlocked through the emergency key 13, so that the unlocking function of the whole lockset is realized.

In the prior art, the condition of violent use of the lock is generally that the second cylinder assembly 5 is not yet unlocked, and the user forcibly rotates the knob 4, that is, the knob 4, the first cylinder assembly 2 and the second cylinder assembly 5 are subjected to different degrees of pressure, resulting in deformation damage.

Compared with the prior art, the anti-riot cavity 6 has the function of preventing violent opening by arranging the clutch type transmission assembly 8, particularly the position change between the violent convex teeth 801 and the transmission groove 7. The knob 4 is used under the condition that the second lock cylinder assembly 5 is normally unlocked, and the violence-preventing convex teeth 801 can be clamped into the transmission groove 7, so that the knob 4 and the first lock cylinder assembly 2 form transmission fit; the knob 4 is used under the condition that the second lock core assembly 5 is not unlocked, and the violence-preventing convex teeth 801 can be withdrawn out of the transmission groove 7, so that the knob 4 and the first lock core assembly 2 are staggered and form transmission separation, the first lock core assembly 2 and the second lock core assembly 5 are prevented from being stressed mutually, and an effective violence-opening-preventing protection effect is achieved.

Preferably, the anti-violence teeth 801 have inclined wedge-shaped side walls 802, which can provide guiding function, so that the anti-violence teeth 801 can easily and smoothly enter and exit the transmission groove 7.

In the utility model, the anti-riot chamber 6 is preferably positioned in the knob 4, and the transmission groove 7 is arranged on the first lock cylinder assembly 2; or the anti-riot chamber 6 is preferably located in the first plug assembly 2, and the drive slot 7 is open on the knob 4. The specific positions thereof may be interchanged, and are not particularly limited herein.

Example two

The mechanism capable of realizing the clutch transmission function is various, and the embodiment provides a preferable structural scheme, which is as follows: the clutch transmission assembly 8 comprises a transmission block 803 and an elastic piece 804, wherein the anti-riot convex tooth 801 is formed on the transmission block 803, and the elastic piece 804 acts on the transmission block 803, so that the anti-riot convex tooth 801 on the transmission block 803 always has a movement trend of being blocked into the transmission groove 7. The anti-riot chamber 6 in be equipped with spacing post 601, form movable gap 9 between transmission piece 803 and the spacing post 601, the height of movable gap 9 is not less than the height of anti-riot tooth 801 to ensure that anti-riot tooth 801 can withdraw from transmission groove 7 completely. The mechanism of use of this embodiment is as follows:

when the knob 4 is used under the condition that the second lock cylinder assembly 5 is normally unlocked, the second lock cylinder assembly 5 is staggered with the first lock cylinder assembly 2, the anti-riot protruding teeth 801 are clamped into the transmission groove 7, and the anti-riot protruding teeth 801 can be kept in the transmission groove 7 by virtue of the acting force of the elastic piece 804, so that the knob 4 and the first lock cylinder assembly 2 stably form transmission fit;

the knob 4 is used under the condition that the second lock cylinder assembly 5 is not unlocked, the second lock cylinder assembly 5 and the first lock cylinder assembly 2 are structurally interfered and generate acting force (resistance), the anti-riot protruding teeth 801 transmit the resistance to the elastic piece 804 to force the elastic piece 804 to shrink, and therefore the anti-riot protruding teeth 801 are withdrawn into the movable gap 9 outside the transmission groove 7, so that the knob 4 and the first lock cylinder assembly 2 are staggered and form transmission separation, at the moment, when a user forcibly rotates the knob 4, the knob 4 is independently rotated, the first lock cylinder assembly 2 is not rotated, the first lock cylinder assembly 2 and the second lock cylinder assembly 5 are prevented from being stressed mutually, and an effective protection effect of preventing violent unlocking is achieved.

Preferably, the elastic member 804 is an anti-riot spring, and the anti-riot spring is at least partially sleeved on the limit post 601. The limiting column 601 is arranged, so that on one hand, an anti-riot spring installation space can be provided, and the anti-riot spring has a relatively stable working position in the extending and retracting process; on the other hand, the clearance between the column 601 and the transmission block 803 is limited to form the movable clearance 9.

Example III

In this embodiment, the first lock cylinder assembly 2 includes a lock sleeve 201, a first lock cylinder body 202 disposed in the lock sleeve 201, and a blade 203 disposed in the first lock cylinder body 202, and a through key hole 204 is formed among the knob 4, the transmission assembly and the first lock cylinder body 202. The key 13 is inserted into the key hole 204, and the first lock cylinder 202 can be directly rotated to realize the emergency unlocking function.

In this embodiment, the second lock cylinder assembly 5 includes a lock rod 501 and a second lock cylinder body 502 for driving the lock rod 501, the lock sleeve 201 is provided with a lock groove 205, and the lock rod 501 can be inserted into the lock groove 205 to limit the movement of the lock sleeve 201. The lock groove 205 is matched with the lock rod 501, so that the locking and limiting functions of the second lock cylinder assembly 5 on the first lock cylinder assembly 2 are realized.

The first lock cylinder 202 is provided with a linkage block 2021, the lock sleeve 201 is provided with a linkage groove 2011, and the linkage block 2021 is inserted into the linkage groove 2011 (one of transmission end faces 2023 of the linkage groove 2011) and is abutted against each other to form transmission fit; and, the size of the linkage groove 2011 is larger than that of the linkage block 2021 to form the idle stroke gap 10. Through the cooperation of the linkage block 2021 and the linkage groove 2011, the first lock cylinder body 202 drives the lock sleeve 201 to rotate in one pass under the normal unlocking condition; in the case of emergency unlocking, due to the arrangement of the idle stroke gap 10, the first lock cylinder 202 can rotate, and the lock sleeve 201 does not rotate.

Regarding the above technical scheme, the first lock cylinder 202 is further provided with a limit stop 2022 protruding outwards, the lock sleeve 201 is provided with a stop step 2012, and the limit stop 2022 can form limit fit with the first lock cylinder 202, so that the lock sleeve 201 and the first lock cylinder 202 can be prevented from rotating excessively, and each component can move more accurately in the use process.

Example IV

On the basis of the structure of any of the foregoing embodiments, preferably, the lock case 1 is further provided with a positioning member 11 and a positioning spring 12 acting on the positioning member 11, the side wall of the knob 4 is provided with a plurality of angle grooves 401, and the positioning member 11 can be clamped into any one of the angle grooves 401. With the structure, in the use process, once the knob 4 rotates to a specific angle, the positioning piece 11 is clamped into the corresponding angle groove 401, and a user can feel obvious hand feeling change, so that whether the lockset is unlocked or locked in place is judged according to the hand feeling change.

It should be noted that other technical solutions of the present utility model belong to the prior art, and are not described in detail.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. An anti-riot unlocking lockset comprises a lock shell (1), a first lock cylinder component (2) movably arranged in the lock shell (1), a locking plate (3) positioned at the inner end of the lock shell (1) and connected with the first lock cylinder component (2), a knob (4) positioned at the outer end of the lock shell (1), and a second lock cylinder component (5) used for limiting the first lock cylinder component (2);

the method is characterized in that: one of the first lock core component (2) and the knob (4) is provided with an anti-riot cavity (6), and the other is provided with a transmission groove (7); the anti-riot chamber (6) is internally provided with a clutch type transmission assembly (8), and the clutch type transmission assembly (8) is provided with anti-riot convex teeth (801);

the violence-preventing convex teeth (801) can be clamped into the transmission grooves (7) so that the knob (4) and the first lock core assembly (2) form transmission fit;

the anti-violence convex teeth (801) can be withdrawn out of the transmission groove (7) so that the knob (4) and the first lock core component (2) are staggered and form transmission separation.

2. The anti-riot lock according to claim 1, wherein: the clutch type transmission assembly (8) comprises a transmission block (803) and an elastic piece (804), wherein the violence-preventing convex teeth (801) are formed on the transmission block (803), and the elastic piece (804) acts on the transmission block (803) so that the violence-preventing convex teeth (801) on the transmission block (803) always have a movement trend of being clamped into the transmission groove (7).

3. The anti-riot lock according to claim 2, wherein: the anti-riot chamber (6) in be equipped with spacing post (601), form clearance (9) between transmission piece (803) and spacing post (601), the height of clearance (9) is not less than the height of anti-riot dogtooth (801).

4. The anti-riot lock according to claim 3, characterized by: the elastic piece (804) is an anti-riot spring, and the anti-riot spring is at least partially sleeved on the limit post (601).

5. The anti-riot lock according to claim 1, wherein: the first lock core assembly (2) comprises a lock sleeve (201), a first lock core body (202) arranged in the lock sleeve (201) and blades (203) arranged in the first lock core body (202), and a key hole (204) which is communicated with each other is formed among the knob (4), the transmission assembly and the first lock core body (202).

6. The anti-riot lock according to claim 5, wherein: the first lock cylinder body (202) is provided with a linkage block (2021), the lock sleeve (201) is provided with a linkage groove (2011), and the linkage block (2021) is inserted into the linkage groove (2011) and is mutually abutted to form transmission fit;

and, the size of the linkage groove (2011) is larger than the size of the linkage block (2021) so as to form a free travel gap (10).

7. The anti-riot lock according to claim 6, wherein: the lock comprises a first lock cylinder body (202), and is characterized in that a limit stop (2022) is further arranged on the first lock cylinder body (202) in an outward protruding mode, a stop step (2012) is arranged on the lock sleeve (201), and the limit stop (2022) can be matched with the stop step (2012) in a limiting mode, so that the lock sleeve (201) and the first lock cylinder body (202) are in limiting fit.

8. The anti-riot lock according to claim 5, wherein: the second lock cylinder assembly (5) comprises a lock rod (501) and a second lock cylinder body (502) for driving the lock rod (501), the lock sleeve (201) is provided with a lock groove (205), and the lock rod (501) can be inserted into the lock groove (205) to limit the movement of the lock sleeve (201).

9. The anti-riot lock according to claim 1, wherein: the lock is characterized in that a locating piece (11) and a locating spring (12) acting on the locating piece (11) are further arranged in the lock shell (1), a plurality of angle grooves (401) are formed in the side wall of the knob (4), and the locating piece (11) can be clamped into any one angle groove (401).

10. The anti-riot lock according to claim 1, wherein: the violence-proof tooth (801) has an inclined wedge-shaped side wall (802).