CN2873959Y

CN2873959Y - Lock core

Info

Publication number: CN2873959Y
Application number: CN 200620057040
Authority: CN
Inventors: 李其标
Original assignee: JIXIN LOCK BARRLES CO Ltd
Current assignee: JIXIN LOCK BARRLES CO Ltd
Priority date: 2006-03-25
Filing date: 2006-03-25
Publication date: 2007-02-28
Anticipated expiration: 2016-03-25

Abstract

The utility model discloses a lock core comprising a lock casing, a locking bladder in the lock-casing hole, and a key that can be inserted into the key hole of the locking bladder. Above the locking bladder, a vane hole that is communicated with the key hole is opened. In the vane holes, a front-side locking mechanism comprising a vane, a vane spring and a seal is provided. At two sides of the locking bladder, a left cross bar recess and a right cross bar recess that are communicated with the key lock and the vane holes above and below the locking bladder are provided. In the left cross bar recess, a left locking mechanism comprising a cross bar spring and a left cross bar is provided; in the right cross bar recess, a right locking mechanism comprising a cross bar spring and a right cross bar is provided. At the left and right side of the vane, a left aligning notch and a right aligning notch for the left cross bar and the right cross bar to slide in partially are provided. In the lock-casing hole, a left locking slot and a right locking slot corresponding respectively to the left cross bar and the right cross bar are provided. The utility model is of simple structure, low production cost, good anti-theft behavior, easy and practical to use.

Description

A kind of lock core

[technical field]

The utility model relates to a kind of lock core.

[background technology]

Most of lock core on the market is because its structure is more single now, people are more thorough to its research, the thief can easily open within short several seconds, so current lock core theftproof performance is relatively poor, brought very big threat for the people's safety of life and property, can not satisfy the most basic antitheft requirement of the people lock core.

[utility model content]

The purpose of this utility model is the deficiency that overcomes existing lock core, provides a kind of simple in structure, and cost of production is low, the lock core that theftproof performance is good, and the use of this lock core is convenient, practical.

In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:

A kind of lock core, the interior key of keyhole that includes lock housing, is enclosed within the lock gall in the locking shell hole and can be inserted in lock gall, it is characterized in that: above lock gall, have one group of vane hole that communicates with keyhole, in this vane hole, be provided with the front locking device of forming by blade, leaf spring and strip of paper used for sealing; Be provided with left horizontal coral groove and the right horizontal coral groove that communicates with the keyhole and the vane hole of lock gall upper and lower in these lock gall both sides; In the horizontal coral groove in a described left side, be placed with the left locking device of forming by horizontal coral spring and left horizontal coral, in the horizontal coral groove in the described right side, be placed with the right locking device of forming by horizontal coral in the right side and horizontal coral spring; Be provided with the left contraposition gap slot and the right contraposition gap slot that can supply left horizontal coral of a part and right horizontal coral to slide into respectively in the left and right sides of this blade, in described locking shell hole, have corresponding with left and right horizontal coral respectively left and right lock slots.

Aforesaid a kind of lock core is characterized in that: be the H type at described blade, described leaf spring below is placed in the last square groove of blade, and the key bit of described key is corresponding with the following square groove of this blade.

Aforesaid a kind of lock core is characterized in that: described right lock slots be provided with near an end of lock gall head one with the friction tight sticking patch of this lock housing.

Aforesaid a kind of lock core is characterized in that: described left lock slots is long and narrow triangle sulculus, and right lock slots is short and wide trapezoidal vat.

Aforesaid a kind of lock core is characterized in that: described left and right horizontal coral is circular-arc in the side in the face of blade.

Aforesaid a kind of lock core is characterized in that: described left and right horizontal coral is pointed in the side in the face of blade.

Aforesaid a kind of lock core is characterized in that: the active force of described leaf spring is bigger than horizontal coral spring.

Aforesaid a kind of lock core is characterized in that: described front locking device and left and right locking device are limited in the lock gall by the jump ring in the jump ring annular groove that is placed on lock gall.

Aforesaid a kind of lock core is characterized in that: described jump ring is ring and colludes shape, and the jump ring pin at its two ends is arranged in the jump ring pin hole of lock gall.

Aforesaid a kind of lock core is characterized in that: the effective length of the right lock slots of the lock housing that the effective length ratio in the horizontal coral outside, a described left side is corresponding with right horizontal coral is long.

Compared with prior art, 1), when using wrong key the utlity model has following advantage:, because a left side or right locking device can simultaneously or lock lock gall separately, realize that the sublevel segmentation is locked, and the people opens lock for after being difficult to simultaneously left and right locking device to be instigateeed out, so theftproof performance of the present utility model is good, and has the anti-function of instigateeing; 2), when key is duplicated by others because of carelessness, need not whole lock core is changed, only need replacing key and blade to get final product, because all parts all install in lock gall, lock gall is taken out, and be replaceable each part after two jump rings are taken off, so use of the present utility model is more convenient, practical, save cost; 3), can realize managing lock core separately, help producing.

[description of drawings]

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

Fig. 1 is a decomposing schematic representation of the present utility model;

Fig. 2 is the structural representation of the utility model under lock-out state;

Fig. 3 is that the A-A of Fig. 2 is to sectional view;

Fig. 4 is that the B-B of Fig. 2 is to sectional view;

Fig. 5 is the structural representation of the utility model under opening;

Fig. 6 is that the C-C of Fig. 5 is to sectional view;

Fig. 7 is that the D-D of Fig. 5 is to sectional view;

Fig. 8 is that the E-E of Fig. 5 is to sectional view;

Fig. 9 is that the E-E of Fig. 5 behind the key Rotate 180 is to sectional view;

Figure 10 is the structural representation of the utility model with wrong key unlocking the time;

Figure 11 is that the F-F of Figure 10 is to sectional view;

Figure 12 is that the F-F of Figure 10 when having only left horizontal coral over against gap slot is to sectional view;

Figure 13 is the front view of one of them blade among the utility model embodiment;

Figure 14 is the front view of one of them blade among the utility model embodiment;

Figure 15 is the front view of one of them blade among the utility model embodiment;

Figure 16 is the front view of one of them blade among the utility model embodiment;

Figure 17 is the front view of one of them blade among the utility model embodiment;

Figure 18 is the front view of one of them blade among the utility model embodiment;

Figure 19 is the schematic diagram of jump ring of the present utility model;

Figure 20 is the keyhole flute profile figure of the utility model lock gall;

Figure 21 is the stereogram of lock gall of the present utility model;

Figure 22 be lock gall of the present utility model look up the direction stereogram.

[specific embodiment]

The utility model is a kind of lock core, as shown in Figure 1, it includes lock housing 1, be enclosed within the lock gall 2 in the locking shell hole 101 and be inserted in key 3 in the keyhole 201 of lock gall 2, above lock gall 2, have one group of vane hole 202 that communicates with keyhole 201, be provided with in this vane hole 202 by many blade 41 and leaf spring 42 and the front locking device 4 that strip of paper used for sealing 43 is formed, strip of paper used for sealing 43 is pressed into blade 41 and leaf spring 42 in the vane hole 202 successively; Be provided with left horizontal coral groove 203 and the right horizontal coral groove 204 that communicates with vane hole 202 that is positioned at lock gall 2 upper and lowers and keyhole 201 in these lock gall 2 both sides, be placed with the left locking device of being made up of horizontal coral spring 51 and left horizontal coral 52 5 in the horizontal coral groove 203 in a left side, horizontal coral spring 51 and left horizontal coral 52 are put in the left horizontal coral groove 203 of lock gall 2 successively; In the horizontal coral groove 204 in the described right side, be placed with the right locking device of forming by horizontal coral 61 in the right side and horizontal coral spring 62 6, right horizontal coral 61 and horizontal coral spring 62 are put in the right horizontal coral groove 204 of lock gall 2 successively, in the jump ring annular groove 205 at lock gall 2 two ends, be placed with jump ring 7, jump ring 7 is fixed on the strip of paper used for sealing 43 of front locking device 4, the left horizontal coral 52 of left locking device 5 and the horizontal coral spring 62 of right locking device 6 in the lock gall 2, thereby jump ring 7 is limited in front locking device 4 and left and

right locking device

5,6 in the lock gall 2; Be provided with respectively the left contraposition gap slot 411 and the right contraposition gap slot 412 that can slide into for the left horizontal coral 52 of a part and right horizontal coral 61 in the left and right sides of this blade 41, in locking shell hole 101, have respectively the left and right lock slots 102,103 corresponding with left and right

horizontal coral

52,61.

When lock-out state, shown in Fig. 2,3,4, promptly after key 3 is extracted lock gall 2 out, blade 41 moves toward lock gall 2 centers under the active force of leaf spring 42, because the active force of leaf spring 42 is bigger than the active force of horizontal coral spring 62, so right horizontal coral 61 is also slided in the right lock slots 103 of lock housing 1 by the right-hand member part of blade 41 compressings toward the right horizontal coral 61 in the disengaging that moves right right contraposition gap slot 412 backs simultaneously, thereby right horizontal coral 61 is stuck between the right lock slots 103 and lock gall 2 of lock housing body, plays locking action; Left horizontal coral 52 then under the active force of the horizontal coral spring 51 of left locking device 5 toward move left break away from left contraposition gap slot 411 after, the left end part of the horizontal coral 52 in a left side slides in the left lock slots 102 of locking shell hole 101, thereby left horizontal coral 52 is stuck between the left lock slots 102 and lock gall 2 of lock housing body 1, plays locking action; Lock gall 2 can only rotate an angle (the arc length angle that is equivalent to right contraposition gap slot 412) of setting but can't open at this moment, thereby reaches the purpose of locking.

Shown in Fig. 5-9, when the correct key 3 of insertion will be unblanked, blade 41 is moved by pushing toward the top of key 3, key bit 301 final and on the key 3 cooperates, this moment, the left and right contraposition gap slot 411,412 on blade 41 both sides was respectively in line, and face the left and right horizontal coral groove 203,204 on lock gall 2 both sides, right horizontal coral 61 is turned right under the active force of horizontal coral spring 62 and is moved into right contraposition gap slot 412, final right horizontal coral 61 leaves the right contraposition gap slot 412 of blade 41 fully, so the locking that right horizontal coral 61 is removed lock gall 2; Simultaneously, when key 3, horizontal coral 52 oppressed past lock gall 2 axis directions move on a left side, and slide into the left contraposition gap slot 411 of blade 41 gradually, the outward flange of horizontal coral 52 and locking shell hole 101 are tangent up to a left side, and this moment, lock gall 2 can rotate arbitrarily, and lock core can be opened.The right lock slots 103 of lock housing 1 be provided with near an end of lock gall 2 heads one with lock housing 1 friction tight sticking patch 8, can hold left horizontal coral 52 when turning to herein for the horizontal coral 52 in a left side, it can not fallen in the right lock slots 103, thereby is passed through smoothly; Simultaneously because the effective length L1 in left horizontal coral 52 outsides is longer than the effective length L2 of the right lock slots 103 of the lock housing corresponding with the horizontal coral in the right side 61, when key 3 Rotate 180s °, the horizontal coral 52 in a left side is being held in the palm by sticking patch 8 and lock housing 1, can not enter in the right lock slots 103, so lock gall 2 can rotate smoothly.

Shown in Figure 10,11, when inserting wrong key 3, blade 41 is moved by pushing toward the top of key 3, key bit 301 final and on the key 3 cooperates, this moment blade 41 both sides the equal state in line of left and right contraposition gap slot 411,412, the left and right contraposition gap slot 411,412 of blade 41 can not face left and right horizontal coral groove 203,204, horizontal coral 52 in a left side and right horizontal coral 61 all can't enter the left contraposition gap slot 411 and the right contraposition gap slot 412 of blade 41, key 3 can't rotate, and lock core is not opened; Even left horizontal coral 52 can enter the left contraposition gap slot 411 of blade 41 but right horizontal coral 61 can't enter the right contraposition gap slot 412 of blade 41, as Figure 12, rotate this wrong key 3 this moment, when forwarding a certain angle to, right horizontal coral 61 snaps into right lock slots 103 1 ends of lock housing 1, this moment, key 3 can't be rotated further again, so lock core can't be opened.This shows, the horizontal coral 52 in a left side is responsible at locked lock core of last stage, and right horizontal coral 61 is responsible at the locked lock core of after-stage, and placed several blades 41 in a lock core, therefore this lock core not by the horizontal coral in a left side 52 locked be exactly locked by right horizontal coral 61, perhaps both locked these lock cores of while have been realized locked this lock core of segmented, and this is the advantage place of this lock core just.

Blade 41 quantity of front locking device 4 can be multi-disc, and the gap position of the left contraposition gap slot 411 on each blade 41 differs, and the gap position of right contraposition gap slot 412 is also inconsistent, and they are corresponding with the key bit 301 of key 3.Six blades are arranged, shown in Figure 13-18 in embodiment of the present utility model.When key 3 is duplicated by others because of carelessness, need not whole lock core is changed, only need allow the locksmith change key 3 and blade 41 gets final product, because all parts all install in lock gall 2, lock gall 2 is taken out, and two jump rings 7 are taken off, be replaceable each part, convenient and practical, also provide cost savings.

In the present embodiment, blade 41 is the H type, and leaf spring 42 belows are placed in the last square groove 414 of blade 41, and the key bit 301 of key 3 is corresponding with the following square groove 415 of this blade 41, when inserting key 3, the key bit 301 of key 3 enters in the following square groove 415 of blade 41 and pushes blade 41 and up move.

For making left and right

horizontal coral

52,61 in 411,412 o'clock gap slots that slide swimmingly of the left and right counterpart gap slot of blade 41, left and right

horizontal coral

52,61 is set to circular-arc or pointed in the face of a side of blade 41.

As shown in figure 19, jump ring 7 is ring and colludes shape, and the jump ring pin 71 at its two ends is arranged in the jump ring pin hole 206 of lock gall 2 to prevent that jump ring from rotating.

In sum, this lock core has following features:

1. realize the locked lock core of segmented;

2. has the anti-function of instigateeing, anti-technical unlocking height;

3. realize replacing blade (being pellet) function, changed convenient and reliablely, saved cost;

4. can do the management lock core, be conducive to produce;

5. simple in structure, cost is low.

Claims

1. lock core, the interior key (3) of keyhole (201) that includes lock housing (1), is enclosed within the lock gall (2) in the locking shell hole (101) and can be inserted in lock gall (2), it is characterized in that: have one group of vane hole (202) that communicates with keyhole (201) in the top of lock gall (2), in this vane hole (202), be provided with the front locking device of forming by blade (41), leaf spring (42) and strip of paper used for sealing (43) (4); Be provided with left horizontal coral groove (203) and the right horizontal coral groove (204) that communicates with the keyhole (201) and the vane hole (202) of lock gall upper and lower in this lock gall (2) both sides; In the horizontal coral groove in a described left side (203), be placed with the left locking device of forming by horizontal coral spring (51) and left horizontal coral (52) (5), in the horizontal coral groove in the described right side (204), be placed with the right locking device of forming by horizontal coral in the right side (61) and horizontal coral spring (62) (6); Be provided with respectively the left contraposition gap slot (411) and the right contraposition gap slot (412) that can slide into for a part left horizontal coral (52) and right horizontal coral (61) in the left and right sides of this blade (41), in described locking shell hole (101), have respectively and left and right horizontal coral (52), (61) corresponding left and right lock slots (102), (103).

2. a kind of lock core according to claim 1, it is characterized in that: be the H type at described blade (41), described leaf spring (42) below is placed in the last square groove (414) of blade (41), and the key bit (301) of described key (3) is corresponding with the following square groove (415) of this blade (41).

3. a kind of lock core according to claim 1 and 2 is characterized in that: described right lock slots (103) be provided with near an end of lock gall (2) head one with the friction tight sticking patch of this lock housing (1) (8).

4. a kind of lock core according to claim 1 and 2 is characterized in that: described left lock slots (102) is long and narrow triangle sulculus, and right lock slots (103) is short and wide trapezoidal vat.

5. a kind of lock core according to claim 1 and 2 is characterized in that: described left and right horizontal coral (52), (61) are circular-arc in the side in the face of blade (41).

6. a kind of lock core according to claim 1 and 2 is characterized in that: described left and right horizontal coral (52), (61) are pointed in the side in the face of blade (41).

7. a kind of lock core according to claim 1 and 2 is characterized in that: the active force of described leaf spring (42) is bigger than horizontal coral spring (51).

8. a kind of lock core according to claim 1 and 2 is characterized in that: described front locking device (4) and left and right locking device (5), (6) are limited in the lock gall (2) by the jump ring (7) in the jump ring annular groove (205) that is placed on lock gall (2).

9. a kind of lock core according to claim 8 is characterized in that: described jump ring (7) is ring and colludes shape, and the jump ring pin (71) at its two ends is arranged in the jump ring pin hole (206) of lock gall (2).

10. a kind of lock core according to claim 1 and 2 is characterized in that: the effective length (L1) in the horizontal coral in a described left side (52) outside is longer than the effective length (L2) of the right lock slots (103) of the lock housing corresponding with the horizontal coral in the right side (61).