CN101435286B - Lockset containing blade marble - Google Patents

Abstract

The invention discloses a lockset containing blade marbles, which comprises a lock head and a matched key thereof; the lock head comprises a lock body, a plurality of blade pins are axially arranged on a lock core in the lock body, and a convex block extending into a key hole is arranged on the same side of each blade pin, close to the middle part of each blade pin; the lock core is provided with a locking side column which can be matched with the V-shaped groove on the blade marble; the lock body is provided with a through spiral groove, and the lock core is provided with a protruding part matched with the spiral groove on the lock body; the key comprises a key sheet, and teeth are arranged on at least one side wall of the internal milling tooth socket. The lock core in the lock head of the invention can simultaneously axially move relative to the lock body in the rotating process, and can axially control the lock tongue, thereby being used for the lock in the occasion. The lock head can use a key with a single-face internal milling tooth groove, which has a structure different from that of a common key, so that the unlocking difficulty can be increased, and the anti-theft performance of the lock is improved.

Description

Locks with blade pins

technical field

The invention belongs to locks, in particular to a lock with blade pins.

Background technique

Among the existing locksets, there is a lock head which utilizes blade pins to cooperate with locking side posts for locking. The lock head includes a lock body and a lock cylinder in the lock body. The lock cylinder is provided with a locking side column that matches the V-shaped groove on the blade pin. The blade pin in this lock head can only be used with an ordinary key. , can not be matched with the key of single-sided internal milling groove, so it is limited in terms of anti-theft. In addition, in the unlocked state, the lock cylinder only rotates on the circumference relative to the lock body, and the lock is opened through the linkage between the lock ruler fixed at the end of the lock cylinder and the lock tongue. This kind of lock head cannot be used for locks that control the lock tongue along the axis of the lock cylinder. .

Contents of the invention

The object of the present invention is to provide a lockset with a blade pin which can be matched with a single-sided internally milled tooth groove key to increase the difficulty of unlocking and improve the anti-theft performance of the lock, and can control the lock tongue along the axis of the lock cylinder.

The technical solution to realize the purpose of the present invention is: the lockset containing the blade pins of the present invention includes a lock end and a matching key thereof;

The lock head includes a lock body and a lock core in the lock body, and the lock core is provided with a plurality of horizontal through blade pin holes along the axial direction, and the blade pin holes communicate with the key holes arranged in the axial direction; There are blade pins, and on the same side of each blade pin near the middle, there is a protrusion extending into the key hole, and the other side of each blade pin is provided with a V-shaped groove, and the corresponding blade pins are respectively provided with blades on the lock cylinder. Pin return spring; the lock cylinder is provided with a locking side column groove, and a locking side column that can match the V-shaped groove on the blade pin is arranged in the locking side column groove, and a stopper is provided on the lock cylinder, and a stopper is arranged on the stopper There is a locking side post reset elastic device between the locking side post, a lock rod is provided at the end of the lock cylinder, and a groove is provided on the lock body corresponding to the locking side post groove on the lock cylinder; a through spiral groove is provided on the lock body , there is a protruding part on the lock cylinder that matches the spiral groove on the lock body;

The key matched with the lock head includes a key piece, one side of the key piece is provided with internally milled tooth grooves, and at least one side wall of the internally milled tooth grooves is provided with tooth marks.

The blade pins in the blade pin hole can be one piece or two pieces.

The elastic device for restoring the locking side post is to arrange a spring between the lock cylinder stopper and the locking side post, and a magnetic block with the same polarity can also be correspondingly arranged between the lock cylinder stopper and the locking side post.

In the present invention, since the lock core is provided with a protruding part that matches the spiral groove on the lock body, when the key is inserted to unlock the lock, the protruding part on the lock core will move along the spiral groove on the lock body during the process of rotating the lock core, so that The lock cylinder moves axially while moving in a circle relative to the lock body, and only needs to rotate the lock cylinder in the opposite direction when locking. The lock head of the present invention utilizes the axial movement of the lock cylinder to achieve the purpose of axially controlling the dead bolt, so it can be used in locksets for such occasions. In addition, the lock head can use a single-sided internal milling key different from the common key structure, so it can increase the difficulty of unlocking and improve the anti-theft performance of the lock.

The present invention will be further described below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the schematic diagram of the lock head of the present invention.

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

Fig. 3 and Fig. 4 are schematic diagrams of different states of Fig. 1 and Fig. 2 respectively.

FIG. 5 is an external view of FIG. 3 .

FIG. 6 is a schematic diagram of different states of FIG. 5 .

Fig. 7 and Fig. 8 are schematic diagrams of different keys matched with the lock head of the present invention.

Fig. 9 is a schematic diagram of different structures of the lock head of the present invention.

FIG. 10 is a schematic diagram of different states of FIG. 9 .

Detailed ways

Example 1

See Fig. 1, Fig. 2, Fig. 5, the lock head of the present invention comprises a lock body 3 and a lock core 2 inside the lock body 3. The lock core 2 is provided with a plurality of horizontal through blade pinholes along the axial direction, and the blade pinholes It communicates with the keyhole 8 arranged in the axial direction; two blade pinholes 5, 10 stacked as a group are arranged in each blade pinhole, and the same side of the blade pinholes 5, 10 is respectively provided with a keyhole 8 near the middle. The inner bumps 7, 9 and the other sides of the blade pins 5, 10 are respectively provided with V-shaped grooves 6, 12, and the blade pins 5, 10 in each group of blade pins are correspondingly set on the lock core 2, respectively. Bit spring 4,11; Lock core 2 is provided with locking side post groove, is provided with the locking side post 1 that can cooperate with V-shaped groove 6,12 on blade marble 5,10 in the locking side post groove, in lock core The notch of the locking side post groove is provided with a stopper 13, and a locking side post return spring 15 is provided in the corresponding groove 14 of the stopper 13 and the locking side post 1, and the lock cylinder 2 tail is provided with a locking bar 21, The lock body 3 is provided with a groove 16 corresponding to the locking side column groove on the lock cylinder 2 (see Fig. 3 ), the lock body 3 is provided with a through spiral groove 20, and the lock cylinder 2 is provided with a spiral groove 20 which is connected with the lock body. The slot 20 fits the pin 19 .

The single-sided internal milling tooth groove key matching with the lock head of the present invention is shown in Figure 7. flower.

working principle

The lock head of the present invention is matched with the single-sided internal milling tooth groove key. See Fig. 3, Fig. 4, Fig. 5, after the key piece 17 is inserted into the lock cylinder, the tooth flowers on the two side walls of the inner milling tooth groove 18 on the key piece 17 respectively act on the protrusions on the different blade pins in each blade pin group. block, forcing the two blade pins in each blade pin group to move relative to each other, so that the V-shaped grooves on all the blade pins are aligned in a straight line, and under the action of the return spring, one side of the locking side column enters the V-shaped blade pin. In the groove, the other side retreats into the lock cylinder from the groove on the lock body. At this time, the lock cylinder can rotate relative to the lock body to become an unlocked state. When the key piece 17 rotates the lock cylinder 2 in the direction of the arrow (see Figure 6) , the pin 19 on the lock core 2 moves along the spiral groove 20 on the lock body, so that the lock core 2 moves to the right along the axis at the same time, and the lock rod 21 arranged on the lock core 2 to control the dead bolt returns to the lock body, and the lock is locked. , use the key to reversely turn the lock core so that the lock bar 21 can be stretched out of the lock body and the dead bolt can be limited; The V-shaped groove on the pin of the blade forces the locking side column to withdraw from the V-shaped groove when it is reset, and at the same time makes the other side of the locking side column extend into the groove of the lock body, and the lock cylinder and the lock body are connected by the locking side column One, at this moment the lock core can not rotate relative to the lock body to become the locked state (see Fig. 1, Fig. 2).

Example 2

As shown in Figure 9 and Figure 10, a magnetic block 22 can also be set on the notch of the locking side column groove on the lock cylinder, and a magnetic block with the same polarity as the magnetic block 22 can be set in the groove on the locking side column. The block 23 utilizes the repulsive force between the magnetic block 22 and the magnetic block 23 to return the locking side column, and other structures are the same as those in Embodiment 1.

Example 3

Lock end of the present invention also can only be provided with a piece of blade pin on the same side in each blade pin hole, and the key matched with it is provided with tooth flower on the two sidewalls of the internal milling tooth groove of key blade. When in use, only the teeth flowers on one side wall of the inner milling groove of the spoon are used to cooperate with the blade pins.

It is also possible to set two blade pins in each blade pin hole, and the key matched with it is provided with tooth flower (seeing Fig. 8 ) on a side wall of the inner milling tooth groove of the key blade. When in use, only the tooth flower on the side wall of the inner milling groove of the spoon is used to cooperate with only one piece of blade pins in each group of blade pins.

The purpose of doing this can increase the concealment of the lock head structure, because it is difficult to judge the structure of the lock head from the appearance, so as to further strengthen the anti-theft purpose.

Claims (3)

1. a lockset that contains blade marble comprises tapered end and supporting key thereof; It is characterized in that:

Described tapered end comprises the lock core in the lock body, lock body, and the lock core upper edge is axially arranged with the blade marble hole of some horizontal perforations, and the blade marble hole communicates with the keyhole of axially setting; Be provided with blade marble in each blade marble hole, be provided with the projection that extend in the keyhole near the middle part on the homonymy of each blade marble, the opposite side of each blade marble is provided with v-depression, and corresponding each blade marble is provided with the blade marble return spring respectively on the lock core; Lock core is provided with the locking side column groove, be provided with the locking side column that can match in the locking side column groove with v-depression on the blade marble, on lock core, be provided with block, between block and locking side column, be provided with locking side column Flexible Reset device, the lock core afterbody is provided with locking bar, on the lock body with the corresponding groove that is provided with of locking side column groove on the lock core; On lock body, be provided with the helicla flute of perforation, be provided with the projecting part that matches with helicla flute on the lock body on the lock core;

Described and the supporting key case spatula sheet of tapered end, mill teeth groove in the one side of spoon sheet is provided with is provided with tartar at least on a sidewall of interior mill teeth groove.

2. the lockset that contains blade marble according to claim 1 is characterized in that blade marble in the described blade marble hole is a slice or two.

3. the lockset that contains blade marble according to claim 2 is characterized in that described locking side column Flexible Reset device for spring to be set between lock core block and locking side column, or correspondence is provided with the identical magnetic patch of polarity between lock core block and locking side column.

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