CN211115259U - Anti-theft lock core - Google Patents

Anti-theft lock core Download PDF

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Publication number
CN211115259U
CN211115259U CN201921560714.2U CN201921560714U CN211115259U CN 211115259 U CN211115259 U CN 211115259U CN 201921560714 U CN201921560714 U CN 201921560714U CN 211115259 U CN211115259 U CN 211115259U
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CN
China
Prior art keywords
bead
lock core
cross bar
theft lock
mounting groove
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Active
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CN201921560714.2U
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Chinese (zh)
Inventor
梁天祐
梁伟鹏
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Huizhou Linhua Hardware Products Co ltd
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Huizhou Linhua Hardware Products Co ltd
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Priority to CN201921560714.2U priority Critical patent/CN211115259U/en
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Abstract

The utility model belongs to the technical field of locks, and provides an anti-theft lock core, which comprises a lock core, wherein the lock core is provided with a bead mounting groove, beads are symmetrically arranged in the bead mounting groove, a bead spring is connected above the beads, a plug sheet is arranged on the bead spring, and the plug sheet is matched and connected with the upper part of the bead mounting groove; the bead is characterized in that a round hole is formed in the side face of the bead, an asymmetric inclined plane is arranged below the bead, and a positioning boss is arranged at the front end of the bead. Through the structure of the utility model, the problem that the general bead lock is unsmooth in plugging and unlocking is solved because the upper bead and the lower bead are not separated; meanwhile, the number of key tooth combinations is greatly increased, the number of millions of groups is reached, and the safety performance of the drawer lock is greatly enhanced.

Description

Anti-theft lock core
Technical Field
The utility model relates to a tool to lock technical field, concretely relates to theftproof lock core.
Background
The drawer lock on the world, the lock core that adopts is spring and pearl structure mostly, and this kind of structure is limited to the reason of volume, can not accomplish too many key teeth. Calculated by 5-hole 5-grade beads, the theoretical key teeth number is 3125, and generally limited to the volume of the lock cylinder, if 5-grade beads are made, the length difference of each grade of beads can be only about 0.5mm, and the actual effective difference is only 0.3mm-0.4mm by adding the cambered surface at the top of the beads, so that the safety performance is poor, and the technical unlocking is simple. Moreover, because the pearl has been divided into upper and lower two types, the lock courage need counterpoint the accuracy with the pearl hole that courage cover corresponds, just can make upper and lower pearl move smoothly, has the deviation slightly, will appear going up the pearl and can not fall down, perhaps goes up the condition that the pearl top can not go up, leads to unblanking, and the plug key is various not smooth and easy.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an anti-theft lock core, through the structure of the utility model, because the upper and lower beads are not divided, the problem that the general bead lock is unsmooth in plugging and unlocking is solved; meanwhile, the number of key tooth combinations is greatly increased, the number of millions of groups is reached, and the safety performance of the drawer lock is greatly enhanced.
The technical scheme of the utility model is that:
The anti-theft lock core comprises a lock core, wherein the lock core is provided with a bead installation groove, beads are symmetrically arranged in the bead installation groove, a bead spring is connected above the beads, a plug sheet is arranged on the bead spring, and the plug sheet is connected with the upper part of the bead installation groove in a matched manner; the bead is characterized in that a round hole is formed in the side face of the bead, an asymmetric inclined plane is arranged below the bead, and a positioning boss is arranged at the front end of the bead. The utility model discloses in, owing to pearl about not dividing, can solve general pearl lock plug and the problem of unblanking not in proper order. Meanwhile, due to the asymmetric inclined planes at the bottoms of the beads, the distance between key teeth of the lock becomes inconsistent, the number of key tooth combinations is increased through the bead structures and the arrangement of different arrangement modes, the number of millions of groups is reached, and the safety performance of the drawer lock is greatly enhanced.
Further, transverse grid mounting grooves are symmetrically formed in the side edges of the lock cylinder, and mounting holes are formed in the transverse grid mounting grooves; the anti-theft lock cylinder further comprises a transverse grid, the transverse grid is connected with a transverse grid spring, the transverse grid spring is matched with the transverse grid and arranged in the transverse grid mounting groove, and stability of the side edge of the lock cylinder can be guaranteed.
Further, the horizontal bars are symmetrically provided with short needles, the short needles face the inside of the horizontal bar mounting groove, and the short needles are arranged in the mounting holes. The short needle can be connected with the round hole in a matched mode, and the unlocking and anti-theft effects are achieved through the short needle.
Furthermore, the bead mounting groove comprises bead holes which are symmetrically arranged, and isolation parts are symmetrically arranged between the bead holes; one side of the positioning boss is abutted to the isolating part. Through this setting, can effectively restrict the rotation range of pearl in pearl mounting groove inside to restriction pearl can not be at the inside displacement of pearl mounting groove.
Furthermore, the rotation angle of the beads in the bead holes is +/-5 degrees to +/-20 degrees, and the unlocking convenience can be improved through the arrangement of the angle.
Further, the lock courage front end is equipped with the mounting hole, be connected with in the mounting hole and prevent the drill point, prevent that the drill point locates one side of pearl mounting groove, realize that the lock core front end prevents boring the theftproof.
Furthermore, the anti-theft lock core also comprises a lock sleeve, and a trapezoidal groove is formed in the lock sleeve; the lock sleeve is connected with the lock liner in a matching way; the lock is characterized in that a large nut, an angle meson, a chrysanthemum meson, a three-jaw meson and a small nut are sequentially connected to the outer side of the lock sleeve, the angle meson, the chrysanthemum meson and the three-jaw meson are arranged between the large nut and the small nut, and a set of complete lock cylinder is formed through the arrangement.
Furthermore, a threaded connecting rod is arranged on one side of the lock core, and the small nut is connected with the threaded connecting rod in a matched mode; the lock sleeve is characterized in that a threaded connecting portion is arranged on the outer side of the lock sleeve, the large nut is connected with the threaded connecting portion in a matched mode, and a stable structure is formed inside the lock cylinder through the arrangement.
The utility model also provides a key, the upper end of the key tooth of key is not at same water flat line, and the key tooth has different angles, the key is used for opening the utility model discloses a theftproof lock core.
The utility model is characterized in that the key teeth of the key are not parallel but have a certain angle. The angle of which corresponds to the orientation of the circular holes in the beads. Meanwhile, due to the existence of the asymmetric inclined plane at the bottom of the bead, the distance between key teeth of the key becomes inconsistent.
The key teeth number is an overlarge number, the number of selectable key teeth is increased in mass production, the mutual opening rate can reach zero mutual opening rate, and the safety performance is greatly enhanced. And because the key teeth are obliquely opened, the technical unlocking becomes difficult theoretically, so that the safety performance of the lock is also greatly enhanced.
The utility model discloses a theory of operation does:
1. When the lock key is not inserted into the lock core of the utility model, the round hole on the side of the bead and the short pin on the transverse grid can not be aligned under the action of the bead spring, and the transverse grid is positioned in the trapezoidal groove of the inner hole of the lock sleeve; at the moment, the lock core is rotated, and the lock core can be clamped by the transverse bar and cannot rotate continuously because the transverse bar can not retract, so that the aim of locking is fulfilled.
2. When a correct key is inserted, the round hole on the side surface of the bead is aligned with the short pin on the transverse bar, when the lock core rotates, the transverse bar can retract into the lock core under the action of the inclined plane of the trapezoid groove in the inner hole of the lock sleeve, and the lock core can continue to rotate, so that the unlocking purpose is achieved.
The utility model discloses the lock core can reach 18 kinds of pearls because the variety of pearl. Theoretically, the number of the teeth of the lock liner with 5 beads is 18 to the power of five, and 188 ten thousand teeth are achieved. Key tapping corresponds to the diversity of beads, and there are also 18 tapping routes.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the bead of the present invention;
FIG. 3 is a schematic structural view of the lock core of the present invention;
FIG. 4 is a schematic structural view of the lock core of the present invention;
FIG. 5 is a partial cross-sectional view of the structure of the present invention;
Fig. 6 is a schematic view of a partial structure of the present invention;
Fig. 7 is a schematic view of a key structure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
An anti-theft lock core 10 comprises a lock core 1, wherein the lock core is provided with a bead installation groove 11, beads 2 are symmetrically arranged in the bead installation groove, a bead spring 3 is connected above the beads, a plug piece 4 is arranged on the bead spring, and the plug piece is connected with the upper part of the bead installation groove in a matching manner; the bead is characterized in that a round hole 21 is formed in the side face of the bead, an asymmetric inclined plane 22 is arranged below the bead, and a positioning boss 23 is arranged at the front end of the bead. The utility model discloses in, owing to pearl about not dividing, can solve general pearl lock plug and the problem of unblanking not in proper order. Meanwhile, due to the asymmetric inclined planes at the bottoms of the beads, the distance between key teeth of the lock becomes inconsistent, the number of key tooth combinations is increased through the bead structures and the arrangement of different arrangement modes, the number of millions of groups is reached, and the safety performance of the drawer lock is greatly enhanced.
Further, transverse grid mounting grooves 12 are symmetrically formed in the side edges of the lock cylinder, and mounting holes 121 are formed in the transverse grid mounting grooves; the anti-theft lock cylinder further comprises a transverse grid 5, the transverse grid is connected with a transverse grid spring 6, the transverse grid spring is matched with the transverse grid and arranged in the transverse grid mounting groove, and stability of the side edge of the lock cylinder can be guaranteed.
Further, the horizontal bars are symmetrically provided with short needles 51, the short needles face the inside of the horizontal bar mounting groove, and the short needles are arranged in the mounting holes. The short needle can be connected with the round hole in a matched mode, and the unlocking and anti-theft effects are achieved through the short needle.
Further, the bead mounting groove comprises bead holes 111 which are symmetrically arranged, and isolation parts 112 are symmetrically arranged between the bead holes; one side of the positioning boss is abutted to the isolating part. Through this setting, can effectively restrict the rotation range of pearl in pearl mounting groove inside to restriction pearl can not be at the inside displacement of pearl mounting groove.
Furthermore, the rotation angle of the beads in the bead holes is +/-20 degrees, and the unlocking convenience can be improved through the arrangement of the angle.
Further, the lock core front end is equipped with mounting hole 13, be connected with in the mounting hole and prevent drill point 7, prevent that the drill point locates one side of pearl mounting groove, realize that the lock core front end prevents boring the theftproof.
Further, the anti-theft lock core also comprises a lock sleeve 8, and a trapezoidal groove 81 is arranged in the lock sleeve; the lock sleeve is connected with the lock liner in a matching way; the outer side of the lock sleeve is sequentially connected with a large nut 101, an angle meson 102, a chrysanthemum meson 103, a three-jaw meson 104 and a small nut 105, the angle meson, the chrysanthemum meson and the three-jaw meson are arranged between the large nut and the small nut, and a set of complete lock cylinder is formed through the arrangement.
Further, a threaded connecting rod 14 is arranged on one side of the lock core, and the small nut is connected with the threaded connecting rod in a matched mode; the outside of the lock sleeve is provided with a threaded connection part 82, the large nut is connected with the threaded connection part in a matching mode, and through the arrangement, a stable structure is formed inside the lock cylinder.
The utility model also provides a key 9, the upper end of key tooth 91 of key is not at same water flat line, and the key tooth has different angles, the key is used for opening the utility model discloses a theftproof lock core.
Example 2
The present embodiment provides an anti-theft lock cylinder 10 having a structure consistent with that of embodiment 1, except that the bead mounting groove includes bead holes 111 symmetrically disposed, and isolation portions 112 are symmetrically disposed between the bead holes; one side of the positioning boss is abutted to the isolating part. Through this setting, can effectively restrict the rotation range of pearl in pearl mounting groove inside to restriction pearl can not be at the inside displacement of pearl mounting groove.
Further, the rotation angle of the beads in the bead holes is +/-5 degrees.
Example 3
The present embodiment provides an anti-theft lock cylinder 10 having a structure consistent with that of embodiment 1, except that the bead mounting groove includes bead holes 111 symmetrically disposed, and isolation portions 112 are symmetrically disposed between the bead holes; one side of the positioning boss is abutted to the isolating part. Through this setting, can effectively restrict the rotation range of pearl in pearl mounting groove inside to restriction pearl can not be at the inside displacement of pearl mounting groove.
Further, the rotation angle of the beads in the bead holes is +/-10 degrees.
Example 4
The present embodiment provides an anti-theft lock cylinder 10 having a structure consistent with that of embodiment 1, except that the bead mounting groove includes bead holes 111 symmetrically disposed, and isolation portions 112 are symmetrically disposed between the bead holes; one side of the positioning boss is abutted to the isolating part. Through this setting, can effectively restrict the rotation range of pearl in pearl mounting groove inside to restriction pearl can not be at the inside displacement of pearl mounting groove.
Further, the rotation angle of the beads in the bead holes is +/-15 degrees.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.

Claims (10)

1. The anti-theft lock core comprises a lock core and is characterized in that the lock core is provided with bead mounting grooves, beads are symmetrically distributed in the bead mounting grooves, bead springs are connected above the beads, plug pieces are arranged on the bead springs and are connected with the upper parts of the bead mounting grooves in a matched mode;
The bead is characterized in that a round hole is formed in the side face of the bead, an asymmetric inclined plane is arranged below the bead, and a positioning boss is arranged at the front end of the bead.
2. The anti-theft lock core according to claim 1, characterized in that the lock core is symmetrically provided with cross bar mounting grooves at the side edges, and mounting holes are arranged in the cross bar mounting grooves.
3. The anti-theft lock core according to claim 2, further comprising a cross bar, wherein a cross bar spring is connected to the cross bar, and the cross bar spring is matched with the cross bar and arranged in the cross bar mounting groove.
4. The anti-theft lock core according to claim 3, characterized in that the cross bars are symmetrically provided with short pins, the short pins face the inside of the mounting groove of the cross bars, and the short pins are arranged in the mounting holes.
5. The anti-theft lock core according to claim 1, wherein the bead mounting groove comprises symmetrically arranged bead holes, and isolation parts are symmetrically arranged between the bead holes.
6. The anti-theft lock core according to claim 1, wherein the front end of the lock core is provided with a mounting hole, an anti-drilling needle is connected in the mounting hole, and the anti-drilling needle is arranged on one side of the bead mounting groove.
7. The anti-theft lock core according to claim 1, further comprising a lock sleeve, wherein the lock sleeve is connected with the lock cylinder in a matching way; the outer side of the lock sleeve is sequentially connected with a large nut, an angle meson, a chrysanthemum meson, a three-jaw meson and a small nut, and the angle meson, the chrysanthemum meson and the three-jaw meson are arranged between the large nut and the small nut.
8. The anti-theft lock core according to claim 7, characterized in that a threaded connecting rod is arranged on one side of the lock core, and the small nut is connected with the threaded connecting rod in a matching way; the lock sleeve is characterized in that a threaded connecting part is arranged on the outer side of the lock sleeve, and the large nut is connected with the threaded connecting part in a matched mode.
9. The anti-theft lock core according to claim 5, wherein one side of said positioning boss abuts against the spacer.
10. The anti-theft lock core of claim 5, wherein the rotation angle of said bead within the bead bore is ± 5 ° to ± 20 °.
CN201921560714.2U 2019-09-19 2019-09-19 Anti-theft lock core Active CN211115259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921560714.2U CN211115259U (en) 2019-09-19 2019-09-19 Anti-theft lock core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921560714.2U CN211115259U (en) 2019-09-19 2019-09-19 Anti-theft lock core

Publications (1)

Publication Number Publication Date
CN211115259U true CN211115259U (en) 2020-07-28

Family

ID=71700982

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921560714.2U Active CN211115259U (en) 2019-09-19 2019-09-19 Anti-theft lock core

Country Status (1)

Country Link
CN (1) CN211115259U (en)

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