CN2749994Y

CN2749994Y - Lock core structure

Info

Publication number: CN2749994Y
Application number: CN 200420120350
Authority: CN
Inventors: 谢惠华
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-17
Filing date: 2004-12-17
Publication date: 2006-01-04
Anticipated expiration: 2014-12-17

Abstract

The utility model relates to a lock core structure which is composed of a sleeve cylinder of a lock core, a lock core, a lock ball group and a row sheet, wherein the sleeve cylinder of a lock core is provided with a lock ball hole and a clamping groove of the row sheet; the lock core is held in the sleeve cylinder of a lock core; the lock core is provided with a channel, an insertion hole for a key, the lock ball hole and a row sheet hole; the lock ball group is provided with a lower ball, an upper ball, a spring and an outer cover which are orderly arranged in the lock ball hole; the row sheet is arranged in the row sheet hole. When the lock is unlocked, the lock ball group and the row sheet are pushed and moved by utilizing that a pit and a step groove arranged on the surface of the key correspond to the lock ball group and the row sheet, thereby, the sleeve cylinder of a lock core and the lock core do not have any clamping, and the lock core is rotated to unlock the lock; therefore, the lock ball group and the row sheet are arrayed in a staggered array mode. The lock can be unlocked only through precise match, and thus, the lock has the efficacy of good theft prevention performance that the lock is not easy to prize.

Description

Lock core structure

Technical field

The utility model relates to a kind of lockset, particularly lock core structure.

Background technology

The general core and the Key structure of pairing, be that the key both sides are provided with irregular grooving, and the core inside that is placed in the sleeve is provided with some core sheets and spring, and the grooving that utilizes key is corresponding to the core sheet, and the end face that makes grooving can push away each core sheet the block resistance position to reach the purpose of unblanking, but traditional lock core structure is easy to can be pried open by the key of homotype or the instrument of tabular.

Summary of the invention

The purpose of this utility model provides a kind of lock core structure with preferable anti-theft feature.

Above-mentioned purpose of the present utility model is achieved in that a kind of lock core structure, it is characterized in that comprising:

Lock barrel sleeve, lock barrel sleeve are provided with the lock hole of bead and screening draw-in groove;

Core is placed in the lock barrel sleeve, establishes passage in this core, is provided with key hole in core one side, and is that core is provided with some locks hole of bead and screening hole, and the lock hole of bead and the screening draw-in groove of the lock hole of bead and screening hole and lock barrel sleeve align;

At least one lock pearl group is located in the lock hole of bead of the lock hole of bead of lock barrel sleeve and core, and it is following pearl is arranged, to go up pearl, spring and enclosing cover, wherein descend pearl to stretch into the interior formation of the passage block of core;

At least one screening is located in the screening hole of core, and screening is provided with the through hole for the key break-through, is provided with block in the screening side, the corresponding spring of block one end, and the screening draw-in groove of lock barrel sleeve is stretched in the screening upper end, forms block.

Technique effect of the present utility model is, because lock pearl group is arranged alternately with screening, have only by the cooperation of precision and can unblank, thereby lockset is difficult for being opened by sled, thereby have preferable antitheft effect.

Below in conjunction with accompanying drawing the utility model is elaborated.

Description of drawings

Fig. 1 is one of three-dimensional exploded view of the present utility model;

Fig. 2 is an assembled sectional view of the present utility model;

Fig. 3 is a user mode reference diagram of the present utility model;

Fig. 4 is the assembled sectional view of second embodiment of the present utility model;

Fig. 5 is the user mode reference diagram of second embodiment of the present utility model;

Fig. 6 is the assembled sectional view of the 3rd embodiment of the present utility model;

Fig. 7 is the user mode reference diagram of the 3rd embodiment of the present utility model.

Description of reference numerals: 1 lock barrel sleeve; The 11 lock hole of beads; 12 screening draw-in grooves; 13 loam cakes; 2 cores; 20 passages; 21 key holes; The 22 lock hole of beads; 23 screening holes; 24 annular grooves; 25 clasps; 3 lock pearl groups; 30 times pearls; Pearl on 31; 32 springs; 33 enclosing covers; 4 screenings; 40 through holes; 41 blocks; 42 springs; 5 keys; 51 recesses; 52 rank grooves.

The specific embodiment

At first, please consult Fig. 1～Fig. 3 simultaneously, the utility model comprises:

In be the lock barrel sleeve 1 of hollow, the appropriate location is provided with the lock hole of bead 11 and screening draw-in groove 12 on the lock barrel sleeve 1, closes in screening draw-in groove 12 loam cakes and covers 13;

Core 2, be placed in the lock barrel sleeve 1, establish passage 20 in this core 2, be provided with key hole 21 in core 2 one sides, and be that core 2 is provided with some locks hole of bead 22 and screening hole 23, the lock hole of bead 22 and screening hole 23 align with the lock hole of bead 11 and the screening draw-in groove 12 of lock barrel sleeve 1, are provided with annular groove 24 in core 2 caudal parts, and this annular groove 24 is buckled group for clasp 25;

At least one lock pearl group 3, organize in the lock hole of bead 22 of the lock hole of bead 11 of lock barrel sleeve 1 and core 2, it comprises: some following pearls 30, members such as last pearl 31, spring 32 and enclosing cover 33, wherein descend pearl 30 to be placed in the lock hole of bead 22 of core 2, the one end also can protrude in the passage 20 of core 2, following pearl 30 upper ends are then folded in regular turn establishes pearl 31 and spring 32, and enclosing cover 33 is covered on the just lock hole of bead 11 of involution lock barrel sleeve 1, the outside;

At least one screening 4, place the screening hole 23 of the screening draw-in groove 12 and the core 2 of lock barrel sleeve 1, the through holes 40 in the middle of the screening 4 are for keys 5 break-through, are provided with the protruding block 41 that is provided with in screening 4 one sides, the corresponding spring 42 in block 41 belows, these spring 42 pushing tow screenings 4 of mat are upwards;

Key 5, key hole 21 insertions by core 2 are that key 5 surfaces are provided with some deep mixed recesses 51 and rank groove 52, and these recesses 51 are corresponding with the following pearl 30 of lock pearl group 3, and rank groove 52 is then corresponding with screening 4.

During assembling, please cooperate and consult Fig. 1, Fig. 2, with pack into the screening hole 23 of core 2 of screening 4 and spring 42, and core 2 is placed in the lock barrel sleeve 1, and make the lock hole of bead 22 of core 2 and the lock hole of bead 11 of lock barrel sleeve 1 align, again the following pearl 30 of lock pearl group 3, last pearl 31, spring 32 is organized in the lock hole of bead 11 of the lock hole of bead 22 of going into core 2 and lock barrel sleeve 1 in regular turn, and enclosing cover 33 is covered on the lock hole of bead 11 outside involutions of lock barrel sleeve 1, and get loam cake 13 with screening draw-in groove 12 involutions, in case assembly is deviate from, at last clasp 25 is buckled on the annular groove 24 of core 2 tail ends, so can finishes assembling.

When using operation, please cooperate simultaneously and consult Fig. 2, Fig. 3, be locking state, following pearl 30 appearances by lock pearl group 3 are organized in the lock hole of bead 22 of core 2, last pearl 31 and spring 32 are then folded in regular turn to be organized in following pearl 30 tops, when last pearl 31 by spring 32 elastic force ejections, last pearl 31 will descend pearl 30 1 distal process to stretch in the passage 20 of core 2, form the lock pearl and organize 3 tandem arrangements between the lock hole of bead 22 of the lock hole of bead 11 of lock barrel sleeve 1 and core 2, the block 41 of 4 one sides of screening simultaneously is subjected to spring 42 pushing tows and the end of screening 4 is stretched in the screening draw-in groove 12 of lock barrel sleeve 1, so 1 of core 2 and lock barrel sleeve are locked the blocking of pearl group 3 and screening 4 and can't be rotated; When therefore unblanking, the key hole 21 of key 5 by core 2 inserted, and make on key 5 surfaces the deep mixed recess 51 that is provided with corresponding with the following pearl 30 of lock pearl group 3, the end of pearl 30 is included in the recess 51, and the last pearl 31 of pushing and pressing upwards compresses spring 32, during the through hole 40 of each screening 4 of key 5 break-through simultaneously, the block 41 compression springs 42 of screening 4, when making between lock barrel sleeve 1 and the core 2, lock pearl group 3 and screening 4 displacements no longer include any blocking, promptly can drive core 2 rotations to reach the purpose of unblanking by key 5, so, arrange by the lock pearl group 3 and the front and back of screening 4, mutual utilization assembly, must there be accurate cooperation just can reach the purpose of unblanking, and then makes lockset be difficult for being opened and the preferable antitheft effect of tool by sled.

In addition, in lock core structure of the present utility model, the arrangement of lock pearl group 3 and screening 4, can make the permutations of front and back or various different angles, second and third embodiment as shown in Figure 4 to 7, so its lock pearl group 3 is arranged with front and back of screening 4 or being provided with of various different angles changes structure and be all the utility model and contain.

Claims

1, a kind of lock core structure is characterized in that comprising:

2, lock core structure as claimed in claim 1 is characterized in that, the core caudal part is provided with annular groove, and this annular groove is buckled group for clasp.

3, lock core structure as claimed in claim 1 is characterized in that, the following pearl of lock pearl group is placed in the lock hole of bead of core, and extend in the passage of core, pearl on the client link on the following pearl, the upper end of last pearl is provided with spring, and enclosing cover is covered on the lock hole of bead of the outside and involution lock barrel sleeve.