CN215168850U

CN215168850U - Anti-breaking self-locking lock cylinder

Info

Publication number: CN215168850U
Application number: CN202023340361.0U
Authority: CN
Inventors: 骆小琳; 罗松
Original assignee: Guizhou Hengnuo Cabinet Lock Co ltd
Current assignee: Guizhou Hengnuo Cabinet Lock Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-14
Anticipated expiration: 2030-12-31

Abstract

The scheme discloses a breakage-proof self-locking lock core in the technical field of lock cores, which comprises a shell, and an inner lock core and an outer lock core which are arranged along the length direction of the shell, wherein a protective shell is arranged at the end part of one end of the shell, which is close to the outer lock core, the protective shell is connected with the shell through an easily broken shell with the thickness smaller than that of the shell, a cavity is arranged at the top of the easily broken shell, and balls are movably arranged in the cavity; the protective shell is provided with a spring plate at one end close to the shell. This scheme adopts the violence to act on down the breakable shell to receive destruction the most easily, and hides and rolls out the lockhole with outer lock courage because of the breakable shell breaks the back at breakable shell top and plug up, the shell fragment both plays the effect of placing the ball and rolling out moreover, also can prevent that the thief from executing violently once more and trying to destroy or draw out the ball, thereby the thief can't adopt the toolbox to continue to remove to the direction of shell and outer lock courage, the core unit lock courage and the shell of effectively placing the lock core receive the damage.

Description

Anti-breaking self-locking lock cylinder

Technical Field

The utility model belongs to the technical field of the lock core, in particular to prevent disconnected auto-lock core.

Background

The lock core is a main part for controlling the lock to be opened, can rotate and drive the lock bolt to move by matching with a key, and comprises a shell and a lock liner arranged in the shell. The lock core is used as an important defense tool for private space, and plays an important role in anti-theft safety. The thief mostly adopts violence to open the lock under the condition that does not have the key, adopts the violence means to destroy the lock promptly, and then burglary.

At present, the lock core is also provided with an inner lock core and an outer lock core, the lock core can be unlocked indoors and outdoors, a fracture-preventing lock core which is commonly used for the lock core is provided with a fracture-preventing area on a shell corresponding to the position of the outer lock core, the fracture-preventing lock core is provided with a groove on the shell, the thickness of the groove is thinner than that of other parts of the shell, and the groove is fractured under the action of violence. The anti-breaking lock core with the publication number of CN106522666A comprises a lock shell, a poking peach arranged in an open slot in the middle of the lock shell, an inner lock liner and an outer lock liner which are respectively arranged in the lock shell at two sides of the poking peach, a first marble component arranged in the inner lock liner and the lock shell, and a second marble component arranged in the outer lock liner and the lock shell, wherein the inner lock liner and the outer lock liner are respectively linked with the poking peach through an inner rotating key and an outer rotating key; a spring which can push the inner rotary key to the direction of the peach-poking is arranged in the inner lock liner; a platform is cut at the upper part of the inner rotary 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 is attracted with the lower magnetic attraction piece; in a normal state, the bottom of the upper magnetic attraction piece is tangent to the excircle of the inner rotating key; the height of the upper magnetic attraction piece is higher than the depth of the platform; when the lock core is broken off at the 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. In this scheme, the back is split to the groove, and the flat pearl card of its first marble subassembly is between lock shell and lock courage to can't rotate from the door outside and dial the peach, the lock courage opens the door, make first marble subassembly and last magnetism inhale the piece and play the dual function together and prevent that lawbreaker's violence opens the door. However, the structure is complex, the volume of the lock core is small, and other complex structures are additionally arranged under the condition, so that the manufacturing cost and the manufacturing difficulty are obviously increased, and the outer lock core of the lock core is possibly damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compare in current prevent disconnected lock core simple structure, make the degree of difficulty low, and outer lock courage also be difficult for receiving the breakage prevent disconnected auto-lock core of damage.

The anti-breaking self-locking lock cylinder comprises a shell, an inner lock cylinder and an outer lock cylinder, wherein the inner lock cylinder and the outer lock cylinder are arranged along the length direction of the shell; the protective shell is provided with a spring plate at one end close to the shell.

The working principle of the scheme is as follows: the tool used by the thief extends into the protective shell to push the elastic sheet into the breakable shell, and the thief can violently break the shell and the lock cylinder because the tool can not be smoothly inserted into the outer lock cylinder, and the thickness of the breakable shell is thinner than that of the shell, the breakable shell is easy to break under the action of violence, the ball falls from the cavity at the top of the breakable shell and blocks the lock hole of the outer lock cylinder after the breakable shell is broken, the tool of the thief cannot move continuously towards the direction of the outer shell and the outer lock cylinder, if the thief replaces other tools with larger destructive power or tries to draw out the ball, the tool before being pulled out is reset by the elastic sheet to seal the protective shell, the ball can not roll out from the protective shell, since the ball occupies the inner space of the breakable shell, when the elastic sheet is pushed into the breakable shell again, the elastic sheet is propped against the ball, even if the tool is replaced, the ball cannot be drawn out, and further the violent tool is prevented from continuously moving towards the shell and the outer lock cylinder.

The beneficial technical effect of this scheme is: this scheme adopts the violence to act on down the breakable shell to receive destruction the most easily, and hides and rolls out the lockhole with outer lock courage because of the breakable shell breaks the back at breakable shell top and plug up, the shell fragment both plays the effect of placing the ball and rolling out moreover, also can prevent that the thief from executing violently once more and trying to destroy or draw out the ball, thereby the thief can't adopt the toolbox to continue to remove to the direction of shell and outer lock courage, the core unit lock courage and the shell of effectively placing the lock core receive the damage.

And under the condition of normally using the key, the key can smoothly pass through the protective shell and the breakable shell and is inserted into the outer lock cylinder, so that the breakable shell cannot be damaged under the condition of normally using the key, and the ball cannot obstruct the key from being inserted into the outer lock cylinder.

Furthermore, the bottom of the easy-breaking shell is connected with a breaking-proof piece with the thickness larger than that of the shell. The breakable shell is destroyed the easiest under the violent action, and the implementation scheme is because of having add in the bottom of breakable shell and has prevented the rupture, and its bottom is difficult for breaking relatively under the violent action, ensures that the ball can be restricted in the breakable shell, and then the lockhole of outer lock courage of jam that the ball can be better.

Further, the breakable shell is connected with the outer shell through screws. When the owner finds that the breakable shell is damaged, only the breakable shell needs to be replaced, and the loss cost is reduced.

Furthermore, the bottom of the easy-breaking shell is provided with a groove, and the anti-breaking piece is clamped in the groove. When the breakable shell needs to be replaced, the anti-breaking piece can be taken out and placed into the groove of the new breakable shell.

Furthermore, the side wall of the groove and the anti-breaking piece are both provided with pin holes, and pins are inserted in the pin holes. The anti-breaking piece is more stably positioned in the groove.

Furthermore, the anti-breaking piece is made of stainless steel. The lock core is prevented from rusting to influence the function of auxiliary protection in the long-term use process.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of a break-proof self-locking lock cylinder of the present invention;

fig. 2 is a schematic structural view of embodiment 3 of the anti-break self-locking lock cylinder of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the anti-breaking device comprises a shell 1, a breakable shell 2, a cavity 3, a ball 4, a protective shell 5, an elastic sheet 6, an anti-breaking sheet 7, a lock hole 8 and a pin hole 9.

Example 1 is substantially as shown in figure 1: a breakage-proof self-locking lock cylinder comprises a shell 1, and an inner lock cylinder and an outer lock cylinder which are arranged along the length direction of the shell 1 (the part belongs to the conventional technology, the specific structure and the connection relation of the breakage-proof self-locking lock cylinder are not repeated in the scheme), a protective shell 5 is arranged at the end part of one end, close to the outer lock cylinder, of the shell 1, the protective shell 5 is connected with the shell 1 through a breakable shell 2 with the thickness smaller than that of the shell 1, a cavity 3 is arranged at the top of the breakable shell 2, and balls 4 are movably arranged in the cavity 3; one end of the protective shell 5 close to the shell 1 is provided with an elastic sheet 6, namely the protective shell 5 is communicated with the breakable shell 2, and the outer diameter of the ball 4 is larger than the length and the width of the elastic sheet 6. The bottom of the easy-breaking shell 2 is connected with a breaking-preventing piece 7 with the thickness larger than that of the shell 1, and the breaking-preventing piece 7 is made of stainless steel materials.

Example 2, the difference from example 1 is: the breakable shell 2 is connected with the shell 1 through screws.

Example 3, the difference from example 2 is: as shown in fig. 2, the bottom of the breakable shell 2 is provided with a groove, the breaking-proof piece 7 is clamped in the groove, the side wall of the groove and the breaking-proof piece 7 are both provided with pin holes 9, and pins are inserted in the pin holes 9.

The specific implementation process of example 3 is as follows: the instrument that the thief used stretches into from protecting crust 5, promote shell fragment 6 in to breakable shell 2, the thickness of breakable shell 2 is thinner than shell 1 in this scheme, breakable shell 2 receives the fracture under the violent effect, ball 4 falls from the fracture mouth, block up in the lockhole 8 department of outer lock courage, the instrument of thief cannot continue to move to the direction of shell 1 and outer lock courage, if the thief changes other bigger instruments of destructive power or when trying to draw out ball 4, extract preceding instrument, shell fragment 6 resets, seal protecting crust 5, ball 4 can not roll out from protecting crust 5, and owing to receive ball 4 occupation space, when shell fragment 6 promotes in breakable shell 2 once more, shell fragment 6 supports in ball 4 department, even changed the instrument and also can not draw out ball 4, also can not continue to move to the direction of shell 1 and outer lock courage.

Claims

1. The utility model provides a prevent disconnected auto-lock core, includes the shell and along the inner lock courage and the outer lock courage that shell length direction set up, its characterized in that: the end part of the shell, which is close to one end of the outer lock liner, is provided with a protective shell, the protective shell is connected with the shell through an easily-broken shell with the thickness smaller than that of the shell, the top of the easily-broken shell is provided with a cavity, and balls are movably arranged in the cavity; the protective shell is provided with a spring plate at one end close to the shell.

2. The anti-break self-locking lock cylinder according to claim 1, characterized in that: the bottom of the easy-breaking shell is connected with a breaking-proof piece with the thickness larger than that of the shell.

3. The anti-break self-locking lock cylinder according to claim 2, characterized in that: the breakable shell is connected with the shell through a screw.

4. The anti-break self-locking lock cylinder according to claim 3, characterized in that: the bottom of the easy-breaking shell is provided with a groove, and the anti-breaking piece is clamped in the groove.

5. The anti-break self-locking lock cylinder according to claim 4, characterized in that: the side wall of the groove and the anti-breaking piece are both provided with pin holes, and pins are inserted in the pin holes.

6. The anti-break self-locking lock cylinder according to claim 5, characterized in that: the anti-breaking piece is made of stainless steel.