CN204627165U - A kind of lock head structure that can shockproofly unblank and the key being mated use - Google Patents

Abstract

The utility model discloses a lock head structure capable of anti-vibration unlocking and a key used in conjunction with it, including a lock head, a lock core, and a locking structure capable of locking the lock core; wherein the locking structure includes an axis perpendicular to the key hole There are several marble components set in the direction; after the key is inserted into the keyhole, the locking structure releases the lock on the lock core, and the lock core can drive the transmission dial to drive the lock tongue structure to retract or lock out under the action of the key; the key hole is set as a round hole ; Wherein, at least two tumbler assemblies are radially dislocated along the keyhole; in this way, when an illegal tool is used to open the door, it is necessary to release the locking of the pin assembly to the lock cylinder from at least two directions, and it needs to be done at the same time to illegally open the door. When there are more tumbler components dislocated in the radial direction of the keyhole, it may be necessary to unlock more directions at the same time. However, it is extremely difficult to unlock two directions or more directions at the same time by using illegal, so this The lock head structure has good anti-theft performance.

Description

A lock head structure capable of anti-vibration unlocking and a key used in conjunction with it

technical field

The utility model relates to a lock structure, in particular to a lock head structure capable of preventing vibration unlocking, and a key used in conjunction with the shockproof lock head structure for unlocking.

Background technique

At present, in the field of locks, it mainly includes mechanical locks and electronic locks; among them, mechanical locks occupy a dominant position, and mechanical locks mainly include spherical door locks, double door locks and mortise door locks.

Generally, the lock head of the mechanical structure principle of the pins always uses the pin spring to withstand the upper pin in the pin hole, and the upper pin sticks to withstand the lower pin, and the upper pin and the lower pin can move up and down in the pin hole; Through the height of the lower pin and the key, many different groove numbers can be realized under the action of the spring; the uniqueness of the lock head can be realized, and the security function of the lock head can be realized; however, the upper pin is always close to the elastic force of the spring For the lower pin, you can use a deep-toothed key or a foreign object. The vibration force generated by the impact will be directly transmitted to the upper pin, and the lock head can be easily opened by technology.

In recent years, thieves have adopted a "vibration" method to unlock and steal, for example, using the key with the deepest teeth (that is, a bump key), inserting the lock cylinder, and hitting the key with a hammer several times, the key will Under the action of the key, the force is transmitted to the lower pin and the upper pin; the upper pin and the lower pin are constantly moving in the pin hole, and coupled with the rotational torque applied by the key to the lock cylinder, the lock is easily opened.

For this reason, the Chinese patent document CN201588444U discloses a shockproof mechanism of a tumbler mechanical lock, which includes a lock head body and a lock core axially fitted into the lock head body, and correspondingly inside the lock head body and the lock core There are several pin holes, and a plurality of pin anti-vibration units are arranged in the pin holes; in the plurality of pin anti-vibration units, each pin anti-vibration unit includes corresponding pin holes arranged in the lock head body and the lock cylinder in turn. The sealing beads in the center, the reinforced pin springs, the shockproof upper marbles, and the shockproof lower marbles; there is a gap between the shockproof upper marbles and the shockproof lower marbles. That is, in this patent document, because there is a gap between the anti-shock upper pin and the anti-shock lower pin, when the anti-shock lower pin is driven to vibrate by an illegal tool, the vibration can be prevented from being directly transmitted to the anti-shock upper pin, and The shockproof upper pin still maintains its locking function.

But there are following deficiencies in the anti-vibration mechanism described in the above-mentioned patent documents: In this anti-vibration mechanism, although the gap between the upper anti-shock pin and the lower pin for anti-shock can prevent the lower pin for anti-shock The abnormal vibration is transmitted to the anti-shock upper pin, but when the vibration amplitude of the vibration of the anti-shock lower pin driven by an illegal tool reaches a certain value, the locking of the anti-shock upper pin to the lock cylinder can be released; at the same time, because all the pin holes are It is set on the same straight line, that is, all the anti-vibration units of the pins are located on the same side of the keyhole and on the same straight line, as long as a tool is used to make the lower pins of the anti-shock push out the upper pins of the anti-shock from a single direction, so as to realize Open the door illegally; Therefore, the anti-theft performance of this kind of anti-vibration mechanism is poor.

Utility model content

For this reason, the technical problem to be solved by the utility model is that in the anti-vibration mechanism in the prior art, because all pinholes are located on the same straight line, as long as the locking pins on the anti-vibration are unlocked from a single direction, the door can be opened illegally. Poor anti-theft performance; and then provide a lock head structure that requires multi-directional unlocking and good anti-theft performance to prevent vibration unlocking, and a key used in conjunction with the shock-proof unlocking lock head structure.

In order to solve the above-mentioned technical problems, a lock head structure capable of anti-shock unlocking of the utility model includes a lock head, which is rotatably sleeved in the lock head and has a lock core formed with a key hole for the key to be inserted into, and A locking structure capable of locking the lock cylinder; wherein, the locking structure includes several pin assemblies arranged perpendicular to the axis of the key hole; after the key is inserted into the key hole, the locking structure is released The locking of the lock core, the lock core can drive the transmission dial to drive the lock bolt structure to retract or lock out under the action of the key; the key hole is set as a round hole; wherein at least two of the pins The components are radially offset along the keyhole.

The number of the pin assemblies is an even number, wherein every two pin assemblies form a group, and the pin assemblies of the same group are arranged circumferentially along the same axis position.

The number of the pin assemblies is four and divided into two groups; wherein, the four pin assemblies are distributed along the radial direction of the key hole.

The pin assembly includes

A first pin that can be slidably installed in the first mounting hole on the lock cylinder, and the bullet head of the first pin can extend out of the first mounting hole to match the groove on the key;

A second pin that can be slidably installed in the second mounting hole on the lock head, and the bullet head of the second pin is against the first pin;

and a biasing member installed in the second mounting hole, the biasing member always exerts a biasing force on the second pin so that the second pin has a tendency to slide toward the first mounting hole .

A second flange is formed at the bullet head of the second marble; wherein, at least one of the first marbles is formed with a first flange that can abut against the second flange, and its corresponding The inner diameter of the first installation hole of the pin assembly is smaller than the inner diameter of the second installation hole; the diameter of the first flange and the diameter of the second flange are not larger than the inner diameter of the first installation hole.

The biasing member is configured as a spring, and the spring is sleeved on the second pin and abutted against the second flange.

A lock shell is sheathed on the outside of the lock head.

A key used in conjunction with the above-mentioned lock head structure for anti-vibration unlocking. The key is a cylindrical key that can be matched with the keyhole. The cylindrical key is formed with a number of pins that can be matched with the pin assembly. groove.

Compared with the prior art, the above-mentioned technical solution of the utility model has the following advantages:

1. In the present utility model, the key hole is set as a round hole; wherein, at least two pin assemblies are dislocated in the radial direction of the key hole; that is, in the present utility model, the pin assemblies are at least from The lock cylinder is locked in two directions, so that when an illegal tool is used to open the door, the locking of the pin assembly to the lock cylinder needs to be released from at least two directions, and the door needs to be unlocked at the same time. When there are more pin assemblies dislocated in the radial direction of the keyhole, it may be necessary to unlock more directions at the same time, but it is extremely difficult to use illegal methods to simultaneously unlock two or more directions. Difficult, so this kind of lock head structure has good anti-theft performance.

2. In the present utility model, the number of the pin assemblies is set to four and divided into two groups; wherein, the four pin assemblies are distributed along the radial direction of the key hole; that is to say, the four pin assemblies The above-mentioned pin assembly locks the lock cylinder from four different directions. Therefore, when unlocking illegally, it is necessary to release the locking in four different directions at the same time, which increases the difficulty of illegal unlocking and improves the anti-shock unlocking performance of the lock head structure. Just improved the anti-theft performance of this end lock structure.

3. In the present utility model, a second flange is formed on the head of the second pin; wherein, at least one of the first pins is formed with a first protrusion that can abut against the second flange. edge, and the inner diameter of the first mounting hole of the corresponding pin assembly is smaller than the inner diameter of the second mounting hole; in this way, when illegal tools are used for illegal unlocking, because the first pin will vibrate in multiple directions , so in the process of illegal unlocking, the first flange of the first pin will constantly be against the opening side wall of the first installation hole, so that the first pin is stuck in the lock cylinder The lock cylinder is locked between the lock head and the lock head, so that the illegal door opening fails.

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be described in further detail below according to specific embodiments of the utility model in conjunction with the accompanying drawings, wherein

Fig. 1 is the schematic diagram of the axial section after the lock head structure provided by embodiment 1 is matched with the key;

Fig. 2 is the schematic diagram of pin assembly when key is not inserted in embodiment 1;

Fig. 3 is a schematic diagram of the pin assembly after the key is inserted in embodiment 1;

Fig. 4 is the schematic diagram of the key provided in embodiment 2;

The reference signs in the figure are represented as: 1-lock head; 2-lock cylinder; 3-key hole; 4-first installation hole; 5-first pin; 51-first flange; 6-second installation hole; 7-second marble; 71-second flange; 8-biasing member; 9-key; 10-groove; 11-lock shell; 12-transmission dial. the

Detailed ways

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Example 1

As shown in Figure 1-2, a lock head structure capable of anti-vibration unlocking in this embodiment includes a lock head 1, which is rotatably sleeved in the lock head 1 and formed with a key 9 for insertion. The lock cylinder 2 of the key hole 3, and the locking structure capable of locking the lock core 2; wherein, the locking structure includes several pin assemblies arranged perpendicular to the axial direction of the key hole 3; the key 9 is inserted into Behind the keyhole 3, the locking structure unlocks the locking of the lock core 2, and the lock core 2 can drive the transmission dial 12 to drive the deadbolt structure to retract or lock out under the action of the key 9; The keyhole 3 is set as a round hole; wherein at least two pin assemblies are radially dislocated along the keyhole 3 . In this embodiment, the pin assembly locks the lock cylinder 2 from at least two directions, so that when an illegal tool is used to open the door, it is necessary to release the pin assembly from two directions at least to lock the lock cylinder 2. The locking of the core 2 needs to be done at the same time to open the door illegally, and when there are more pinhole assemblies dislocated in the radial direction of the key hole 3, it may be necessary to unlock more directions at the same time, but using illegal methods It is extremely difficult to unlock in two or more directions at the same time, so this lock head structure has good anti-theft performance

Specifically, the number of the pin assemblies is an even number, wherein every two pin assemblies form a group, and the pin assemblies of the same group are arranged circumferentially along the same axis position. Of course, the number of the pin assemblies can also be an odd number, as long as a plurality of the pin assemblies form a group and are distributed along the radial direction of the key hole 3 .

In this embodiment, as shown in FIG. 2, the number of the pin assemblies is set to four and divided into two groups; wherein, the four pin assemblies are distributed along the radial direction of the keyhole 3; also That is to say, the four pin assemblies lock the lock cylinder 2 from four different directions. Therefore, when unlocking illegally, it is necessary to release the locking in four different directions at the same time, which increases the difficulty of illegally unlocking and improves the structure of the lock head. Excellent anti-shock unlocking performance, which also improves the anti-theft performance of the lock head structure.

On the basis of the above embodiments, the pin assembly includes

The first pin 5 that can be slidably installed in the first mounting hole 4 on the lock cylinder 2, the bullet head of the first pin 5 can protrude from the groove on the first mounting hole 4 and the key 9 10 match;

The second pin 7 can be slidably installed in the second mounting hole 6 on the lock head 1, and the bullet head of the second pin 7 is against the first pin 5;

And the biasing member 8 installed in the second mounting hole 6, the biasing member 8 is always applied to the second pin 7 so that the second pin 7 has the ability to slide toward the first mounting hole 4 The bias force of the motion trend.

Further, as shown in FIG. 2 , a second flange 71 is formed at the bullet head of the second pin 7 ; wherein, at least one of the first pins 5 is formed with a flange that can abut against the second flange 71 . The first flange 51 of the pin assembly, and the inner diameter of the first mounting hole 4 of the corresponding pin assembly is smaller than the inner diameter of the second mounting hole 6; the diameter of the first flange 51 and the second The diameter of the flange 71 is not greater than the inner diameter of the first installation hole 4 . In this way, when an illegal tool is used for illegal unlocking, because the first pin 5 will vibrate in multiple directions, so in the process of illegal unlocking, the first flange 51 of the first pin 5 will be in contact with the The opening side walls of the first installation hole 4 are in contact, so that the first pin 5 is stuck between the lock cylinder 2 and the lock head 1 to lock the lock cylinder 2, thereby making the illegal door opening fail.

Wherein, preferably, the biasing member 8 is set as a spring, and the spring is sleeved on the second pin 7 and abuts against the second flange 71 .

At the same time, a lock shell 11 is sheathed on the outside of the lock head 1 .

The specific working principle of the lock head structure described in the foregoing embodiments is as follows:

As shown in Figure 2, when the key 9 is not inserted, the second pin 7 slides into the lock cylinder from the second mounting hole 6 on the lock head 1 under the action of the biasing member 8 2, and against the first pin 5, that is to say, the second pin 7 is always located between the lock head 1 and the lock cylinder 2, so that all The lock core 2 cannot rotate relative to the lock head 1, that is, the locking of the lock core 2 is realized;

As shown in Figure 3, when the key 9 is inserted, the first pin 5 pushes the second pin 7 to slide toward the second installation hole 6 under the action of the key 9, and overcomes the The biasing force of the biasing member 8 pushes the second pin 7 back to the second installation hole 6, that is to say, when the key 9 is fully inserted, the first flange 51 and the second flange 71 offset each other, and the first pin 5 is just in the first installation hole 4, and the second pin 7 is just in the second installation; at this time, rotate the key 9, the lock cylinder 2 can be rotated relative to the lock head 1 under the action of the key 9, and the lock tongue structure can be driven to retract or lock out through the transmission dial 12.

Example 2

On the basis of Embodiment 1, this embodiment further provides a key 9 that is used in conjunction with the shockproof and unlockable lock head structure described in Embodiment 1. The key 9 is configured to be compatible with the key hole 3 The cylindrical key is formed with a number of grooves 10 that can match with the tumbler assembly, as shown in FIG. 4 .

After the key 9 is inserted into the lock cylinder 2 through the key hole 3, the first pin 5 pushes the second pin 7 to slide toward the second mounting hole 6 under the action of the key 9 , and overcome the biasing force of the biasing member 8 to push the second marble 7 back to the second mounting hole 6, that is, when the key 9 is fully inserted, the first flange 51 and the The second flange 71 is offset, and the first pin 5 is just in the first installation hole 4, the second pin 7 is just in the second installation, and the bullet head of the first pin 5 Just as being embedded in the groove 10; at this time, the key 9 is rotated, and the first marble 5 rotates with the key 9 under the cooperation of the bullet and the inner side wall of the groove 10, thereby driving The lock cylinder 2 rotates to complete the door opening process.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (8)

1. A lock head structure capable of anti-vibration unlocking, which comprises a lock head (1), which is rotatably sleeved in the lock head (1) and is formed with a key hole (3) for a key (9) to be inserted into A lock core (2), and a locking structure capable of locking the lock core (2); wherein, the locking structure includes several pin assemblies arranged perpendicular to the axial direction of the key hole (3); the key (9) After inserting the key hole (3), the locking structure unlocks the locking of the lock core (2), and the lock core (2) can drive the transmission under the action of the key (9) The dial (12) drives the lock tongue structure to retract or lock out; it is characterized in that: the keyhole (3) is set as a round hole; wherein at least two pin assemblies are radially aligned along the keyhole (3). dislocation distribution. 2. The lock head structure capable of anti-shock unlocking according to claim 1, characterized in that: the number of the pin assemblies is set to an even number, wherein every two pin assemblies form a group, and all pin assemblies in the same group The pin assemblies are arranged circumferentially along the same axis position. 3. The lock head structure capable of anti-shock unlocking according to claim 2, characterized in that: the number of the pin assemblies is set to four and divided into two groups; wherein, the four pin assemblies along the key Radial misalignment distribution of holes (3). 4. The lock head structure capable of anti-shock unlocking according to claim 3, characterized in that: the pin assembly includes The first pin (5) in the first mounting hole (4) on the lock cylinder (2) can be slidably installed, and the bullet head of the first pin (5) can extend out of the first mounting hole (4) ) is matched with the groove (10) on the key (9); The second pin (7) can be slidably installed in the second mounting hole (6) on the lock head (1), and the bullet head of the second pin (7) is against the first pin (5) ; And the biasing member (8) installed in the second mounting hole (6), the biasing member (8) is always applied to the second marble (7) so that the second marble (7) A biasing force with a movement tendency to slide towards said first mounting hole (4). 5. The lock head structure capable of anti-shock unlocking according to claim 4, characterized in that: a second flange (71) is formed at the bullet head of the second pin (7); wherein, at least one of the The first pin (5) is formed with a first flange (51) that can abut against the second flange (71), and its corresponding inner diameter of the first mounting hole (4) of the pin assembly smaller than the inner diameter of the second mounting hole (6); the diameters of the first flange (51) and the second flange (71) are not larger than the inner diameter of the first mounting hole (4). 6. The lock head structure capable of anti-shock unlocking according to claim 5, characterized in that: the biasing member (8) is set as a spring, and the spring is sleeved on the second pin (7) and Said second flanges (71) abut against each other. 7. The lock head structure capable of anti-shock unlocking according to claim 1, characterized in that: a lock head shell (11) is sheathed on the outside of the lock head (1). 8. A key (9) used in conjunction with the lock head structure for anti-shock unlocking according to any one of claims 1-7, characterized in that: the key (9) is set to be compatible with the keyhole (3) ) matching cylindrical key, the cylindrical key is formed with a number of grooves (10) that can be matched with the tumbler assembly.