CN213205254U

CN213205254U - Lock cylinder capable of preventing violent unlocking

Info

Publication number: CN213205254U
Application number: CN202021906911.8U
Authority: CN
Inventors: 时明春
Original assignee: Wuxi Alite Lock Co ltd
Current assignee: Wuxi Alite Lock Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-05-14
Anticipated expiration: 2030-09-03

Abstract

The utility model belongs to the field of the lock core and specifically relates to a lock core that anti-riot power was unblanked is related to, including the lock shell, dial and choose, be equipped with first rupture groove on the lock shell, first rupture groove is located the outer lock shell of outer lock courage, the lock shell is equipped with the lock sleeve outward, the lock sleeve is including dismantling first lock sleeve and the second lock sleeve of connection, be equipped with logical groove in the first lock sleeve, lead to logical groove to dialling and choosing the department, it is equipped with the spacing groove to lead to logical inslot, the spacing inslot is equipped with flexible post, be connected with first spring between the lateral wall of flexible post and the spacing inslot wall, be fixed with the axial straight-bar of first lock sleeve that is on the flexible post, be equipped with the second spring that supplies flexible post extension on the flexible post, be fixed with the fixture block on the straight-bar, dial and be equipped with the draw-in groove when the fixture block roll-off. This application has the effect that prevents lawless persons violently to unblank.

Description

Lock cylinder capable of preventing violent unlocking

Technical Field

The application relates to the field of lock cylinders, in particular to a lock cylinder capable of preventing violent unlocking.

Background

The lock core is an important component of the door lock and plays a great role in daily life of people.

The invention patent with the granted publication number of CN106522666A provides a breakage-proof lock core, wherein a platform is cut on the upper part of an internal rotation key, and a lower magnetic attraction piece is fixedly arranged in the platform; an upper magnetic attraction piece is arranged in an upper magnetic attraction piece sliding groove of the inner lock liner above the lower magnetic attraction piece, and the upper magnetic attraction piece and the lower magnetic attraction piece are attracted with each other; in a normal state, the bottom of the upper magnetic part is tangent to the excircle of the inner rotating key, and the height of the upper magnetic part is higher than the depth of the platform; when the lock core is broken off at the position of the limiting groove, the spring pushes the inward rotating key outwards, and the upper magnetic part is attracted by the magnetic part under the action of magnetic force and falls onto the platform.

The related art described above has drawbacks that: the lock core is broken off the back in this spacing groove department, goes up magnetism and attracts piece and interior turnkey mutual block between the two and do not choose to dial and carry out the block, and lawless persons only chooses to choose through prizing to also can unblank, and this can bring very big potential safety hazard for the user.

SUMMERY OF THE UTILITY MODEL

In order to prevent that lawless persons from violently unblanking, this application provides a lock core of preventing violently unblanking.

The application provides a lock core that anti-riot power unblanked adopts following technical scheme:

a lock core capable of preventing violent unlocking comprises a lock shell and a poking device, wherein an inner lock liner and an outer lock liner are arranged in the lock shell, the inner lock liner and the outer lock liner are respectively positioned on two sides of the poking device, a first breaking groove is formed in the lock shell, the first breaking groove is positioned in the lock shell outside the outer lock liner, a lock sleeve is arranged outside the lock shell, the lock sleeve at least surrounds the lock shell outside the outer lock liner, the lock sleeve comprises a first lock sleeve and a second lock sleeve which are detachably connected, and a connecting seam of the first lock sleeve and the second lock sleeve is positioned at the first breaking groove; a through groove is formed in the first lock sleeve, the through groove is communicated with the poking and picking position, a limiting groove is formed in the through groove, a telescopic column is arranged in the limiting groove, and the through groove enables the telescopic column to slide only along the axial direction parallel to the first lock sleeve;

be connected with first spring between the lateral wall of flexible post and the spacing inslot wall, be fixed with on the flexible post and be on a parallel with the axial straight-bar of first lock sleeve, be equipped with the second spring that supplies the extension of flexible post on the flexible post, be fixed with the fixture block on the straight-bar, the fixture block can be supported and led to the inslot inner wall and along being on a parallel with first lock sleeve axial slip, dial and choose and be equipped with the draw-in groove, can insert in the draw-in groove when the fixture block roll-off leads to the groove, the straight-bar is connected with the dead lever, the dead lever.

By adopting the technical scheme, when a lawbreaker breaks the lock cylinder through violence, the lock cylinder is broken from the first breaking groove, the lock sleeve is also broken and is separated from the joint of the first lock sleeve and the second lock sleeve, and the broken fixed rod is separated from the second lock sleeve, so that the first spring is extended, and the telescopic column slides to the poking position in the limiting groove; after the clamping block extends out of the first lock sleeve, the second spring enables the telescopic column to extend, so that the clamping block is inserted into the clamping groove on the poking and picking part, and a lawbreaker cannot poke and pick the door from the outside after breaking the lock cylinder.

Preferably, the side surface of the straight rod is provided with a second clamping groove, the fixed rod is provided with a first plug-in unit, and the first plug-in unit is clamped in the second clamping groove.

Through adopting above-mentioned technical scheme, the installation of the dead lever of being convenient for is connected with the second draw-in groove joint to first plug-in components.

Preferably, the telescopic column comprises a first column body and a second column body, the first column body and the second column body are both hollow, the first column body is arranged in the limiting groove, the second column body can slide along the radial direction of the first lock sleeve, and the second spring is arranged in the hollow cavity of the first column body and the second column body along the radial direction of the first lock sleeve.

Through adopting above-mentioned technical scheme, the second spring is located first flexible post and the flexible post of second inside to avoid the second spring to buckle.

Preferably, a magnetic part is arranged in the clamping groove.

Through adopting above-mentioned technical scheme, magnetism is inhaled the piece and is made the fixture block insert in the draw-in groove after be connected more stably with the draw-in groove.

Preferably, a guide pillar is coaxially arranged in the first spring, one end, far away from the telescopic pillar, of the guide pillar is fixedly connected with the inner wall of the through groove, and the other end of the guide pillar is suspended.

Through adopting above-mentioned technical scheme, the guide pillar plays the effect of direction first spring.

Preferably, the two opposite side walls of the width direction of the limiting groove are provided with sliding grooves, the sliding grooves are arranged along the length direction of the limiting groove, the first column body is provided with a second plug-in unit, and the second plug-in unit is inserted into the sliding grooves.

Through adopting above-mentioned technical scheme, avoid flexible post to deviate from the spacing groove.

Preferably, the end part of the first lock sleeve facing the second lock sleeve is provided with a slot, the end part of the second lock sleeve facing the first lock sleeve is provided with a third plug-in unit, and the third plug-in unit is plugged in the slot.

By adopting the technical scheme, on one hand, the first lock sleeve and the second lock sleeve are convenient to install; on the other hand, the installation of structures such as fixed rods, telescopic columns and the like in the lock sleeve is facilitated.

Preferably, a second breaking groove is formed in the fixing rod and located at the joint of the first locking sleeve and the second locking sleeve.

Through adopting above-mentioned technical scheme, when the dead lever can't break away from the straight-bar smoothly, the second break groove can make the dead lever broken off to make the dead lever break away from the second lock sleeve.

Drawings

Fig. 1 is a schematic overall structure diagram of a lock cylinder for preventing violent unlocking in the embodiment of the application;

FIG. 2 is an exploded view of a lock cylinder of the present embodiment of the application to prevent violent unlocking;

FIG. 3 is a split view of a lock sleeve in an embodiment of the present application;

FIG. 4 is a top view of a lock cylinder that prevents violent unlocking in an embodiment of the present application;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a sectional view taken along line B-B of FIG. 5;

FIG. 8 is an enlarged view of portion B of FIG. 7;

fig. 9 is a structural view of the telescopic column and the fixing rod in the embodiment of the present application.

Description of reference numerals: 1. a lock case; 2. plucking and picking; 3. an inner lock liner; 4. an outer lock cylinder; 5. a lock sleeve; 6. a first breaking groove; 7. a through groove; 8. a first lock sleeve; 9. a second lock sleeve; 10. a limiting groove; 11. a telescopic column; 12. a first spring; 13. a straight rod; 14. a second spring; 15. a clamping block; 16. a card slot; 17. a second card slot; 18. fixing the rod; 19. a first plug-in; 20. a first column; 21. a second cylinder; 22. a magnetic member; 23. a chute; 24. a second plug-in; 25. a third plug-in; 26. a second breaking groove; 27. a slot; 28. and (6) a guide pillar.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses lock core that anti-riot power unblanked. Referring to fig. 2, the lock case comprises a lock case 1, a dial 2 arranged in an open slot in the middle of the lock case 1, an inner lock liner 3 and an outer lock liner 4 arranged in the lock case 1, wherein the inner lock liner 3 and the outer lock liner 4 are respectively positioned at two sides of the dial 2, the lock case 1 is provided with a first breaking slot 6 serving as an external force damage breaking position at one side corresponding to the outer lock liner 4, and a lock sleeve 5 (see fig. 1) surrounding the outer lock liner 4 and the inner lock liner 3 is arranged outside the lock case 1.

Referring to fig. 1, the lock sleeve 5 is composed of a first lock sleeve 8 and a second lock sleeve 9, the first lock sleeve 8 is close to the poking and picking device 2, the second lock sleeve 9 is far away from the poking and picking device 2, and the position where the first lock sleeve 8 is connected with the second lock sleeve 9 is consistent with the position of the first breaking groove 6 on the lock shell 1.

Referring to fig. 3, to facilitate removal and installation of the first and

second sleeves

8, 9, the first sleeve 8 has a slot 27 facing the second sleeve 9, the second sleeve 9 has a third insert 25 engaging the slot 27, and the slot 27 and the third insert 25 are located at opposite ends of the first and

second sleeves

8, 9, respectively.

Referring to fig. 6, a through groove 7 along the axial direction of the first lock sleeve 8 is formed in the first lock sleeve 8, the through groove 7 is communicated with the poking and picking part 2, and a limiting groove 10 along the axial direction of the first lock sleeve 8 is formed in the through groove 7. The limiting groove 10 is internally provided with a telescopic column 11 which is perpendicular to the axial direction of the first lock sleeve 8, and the telescopic column 11 can only slide along the axial direction of the first lock sleeve 8 in the limiting groove 10.

Referring to fig. 6, the telescopic column 11 is composed of a first cylinder 20 and a second cylinder 21 both having a hollow inside, the first cylinder 20 and the second cylinder 21 both having a hollow cylinder, and a second spring 14 is coaxially connected between the first cylinder 20 and the second cylinder 21. The second spring 14 is located in the cavity of the first cylinder 20 and the second cylinder 21, one end of the second spring 14 is connected with the inner wall of the first cylinder 20, the other end of the second spring 14 is connected with the inner wall of the second cylinder 21, and the second cylinder 21 is inserted into the first cylinder 20 in a sliding manner along the self-axial direction.

Referring to fig. 6, a first spring 12 is connected between the outer side wall of the first cylinder 20 and the side wall of the limiting groove 10 far away from the dial 2, and the first spring 12 is axially arranged along the first lock sleeve 8. The first spring 12 is provided with a guide post 28 coaxial with the first spring 12, one end of the guide post 28 far away from the telescopic post 11 is fixedly connected on the inner wall of the limiting groove 10, and the other end of the guide post 28 is suspended.

Referring to fig. 8, the two opposite side surfaces of the limiting groove 10 along the width direction thereof are respectively provided with a sliding groove 23, the sliding grooves 23 are arranged along the length direction of the limiting groove 10, the first column body 20 is provided with a second plug-in unit 24 matched with the sliding grooves 23, the second plug-in unit 24 is inserted into the sliding grooves 23, and the second plug-in unit 24 can slide in the sliding grooves 23 along the length direction of the limiting groove 10.

Referring to fig. 6, a straight rod 13 parallel to the axial direction of the first lock sleeve 8 is fixed on the second column 21, the straight rod 13 extends to the end part of the poking and picking part 2 to fix a fixture block 15, and the fixture block 15 can abut against the inner wall of the through groove 7 to slide along the axial direction parallel to the first lock sleeve 8. The straight rod 13 is connected with a fixing rod 18, and the fixing rod 18 penetrates through the first lock sleeve 8 and is connected with the second lock sleeve 9.

Referring to fig. 9, the end of the fixing rod 18 has a first plug-in unit 19, and the side of the straight rod 13 is provided with a second slot 17 for the first plug-in unit 19 to be inserted. When the first plug-in piece 19 is inserted into the second slot 17, the straight rod 13 can be pulled due to the limited length of the fixing rod 18, and the first spring 12 is in a compressed state, so that the first spring 12 is prevented from extending to enable the clamping block 15 to extend out of the through slot 7. The fixing lever 18 has a second breaking groove 26 for easily breaking the fixing lever 18.

Referring to fig. 1, the poking arm 2 is provided with a clamping groove 16 for inserting the clamping block 15, when a lawless person breaks the lock cylinder, the first lock sleeve 8 and the second lock sleeve 9 are separated, the fixing rod 18 is also disconnected, the fixing rod 18 can not exert pulling force any more at the moment, and the first spring 12 is recovered from a compression state, so that the clamping block 15 extends out of the through groove 7 and is inserted into the clamping groove 16.

Referring to fig. 1, in order to insert the latch 15 into the latch groove 16 more firmly, a magnetic attraction member 22 for attracting the latch 15 is fixed in the latch groove 16.

The implementation principle of a lock core that anti-riot power unblanked in this application embodiment is: the first plug-in unit 19 at the end of the fixing rod 18 is inserted into the second clamping groove 17 of the straight rod 13, and because the length of the fixing rod 18 is limited, the fixing rod 18 can pull the straight rod 13, so that the first spring 12 is compressed, and the clamping block 15 on the straight rod 13 is limited in the through groove 7; the latch 15 is abutted by the inner wall of the first lock case 8, thereby compressing the second spring 14. When a lawbreaker breaks the lock core through violence, the lock core is broken from the first breaking groove 6, meanwhile, the lock sleeve 5 is also broken and is separated from the connection part of the first lock sleeve 8 and the second lock sleeve 9, at the moment, the fixed rod 18 is broken from the second breaking groove 26, the fixed rod 18 does not apply pulling force on the straight rod 13 any more, at the moment, the first spring 12 is recovered from a compressed state, and the telescopic column 11 slides to the poking part 2 in the limit groove 10; after the clamping block 15 extends out of the first lock sleeve 8, the second spring 14 extends the telescopic column 11, so that the clamping block 15 is inserted into the clamping groove 16 on the poking and picking device 2, and a lawbreaker cannot poke and pick the device 2 to open the door by rotating from the outside after breaking the lock cylinder.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lock core that anti-riot power was unblanked, includes lock shell (1), dials and chooses (2), is equipped with inner lock courage (3) and outer lock courage (4) in lock shell (1), and inner lock courage (3) and outer lock courage (4) are located respectively to dial and choose the both sides of (2), are equipped with first rupture groove (6) on lock shell (1), and first rupture groove (6) are located lock shell (1) outer lock courage (4), its characterized in that: a lock sleeve (5) is arranged outside the lock shell (1), the lock sleeve (5) at least surrounds the lock shell (1) outside the outer lock cylinder (4), the lock sleeve (5) comprises a first lock sleeve (8) and a second lock sleeve (9) which are detachably connected, and a connecting seam of the first lock sleeve (8) and the second lock sleeve (9) is positioned at the first breaking groove (6); a through groove (7) is formed in the first lock sleeve (8), the through groove (7) is communicated to the shifting and picking part (2), a limiting groove (10) is formed in the through groove (7), a telescopic column (11) is arranged in the limiting groove (10), and the through groove (7) enables the telescopic column (11) to slide only along the axial direction parallel to the first lock sleeve (8);

be connected with first spring (12) between the lateral wall of flexible post (11) and spacing groove (10) inner wall, be fixed with on flexible post (11) and be on a parallel with axial straight-bar (13) of first lock sleeve (8), be equipped with on flexible post (11) and supply second spring (14) of flexible post (11) extension, be fixed with fixture block (15) on straight-bar (13), fixture block (15) can be supported logical groove (7) inner wall along being on a parallel with first lock sleeve (8) endwise slip, dial and be equipped with draw-in groove (16) on choosing (2), can insert in draw-in groove (16) when leading to groove (7) in fixture block (15) roll-off, straight-bar (13) are connected with dead lever (18), dead lever (18) run through first lock sleeve (8) and are connected with second lock sleeve (9).

2. The lock cylinder of claim 1, wherein: the side surface of the straight rod (13) is provided with a second clamping groove (17), the fixed rod (18) is provided with a first plug-in unit (19), and the first plug-in unit (19) is clamped in the second clamping groove (17).

3. The lock cylinder of claim 1, wherein: the telescopic column (11) comprises a first column body (20) and a second column body (21), wherein the first column body (20) and the second column body (21) are both hollow, the first column body (20) is arranged in the limiting groove (10), the second column body (21) can slide along the radial direction of the first lock sleeve (8), and the second spring (14) is arranged in a cavity of the first column body (20) and the second column body (21) along the radial direction of the first lock sleeve (8).

4. The lock cylinder of claim 1, wherein: a magnetic part (22) is arranged in the clamping groove (16).

5. The lock cylinder of claim 1, wherein: a guide post (28) is coaxially arranged in the first spring (12), one end of the guide post (28) far away from the telescopic post (11) is fixedly connected with the inner wall of the through groove (7), and the other end of the guide post (28) is suspended.

6. The lock cylinder of claim 3, wherein: both sides walls opposite to the width direction of the limiting groove (10) are provided with sliding grooves (23), the sliding grooves (23) are arranged along the length direction of the limiting groove (10), the first cylinder body (20) is provided with a second plug-in unit (24), and the second plug-in unit (24) is inserted into the sliding grooves (23).

7. The lock cylinder of claim 1, wherein: the end part of the first lock sleeve (8) facing the second lock sleeve (9) is provided with a slot (27), the end part of the second lock sleeve (9) facing the first lock sleeve (8) is provided with a third plug-in (25), and the third plug-in (25) is plugged in the slot (27).

8. The lock cylinder of claim 1, wherein: the fixing rod (18) is provided with a second breaking groove (26).