KR20020011519A - A lock - Google Patents

Abstract

PURPOSE: A lock is provided to prevent copy of a key by constructing the key and a body of the lock using a plurality of magnets. CONSTITUTION: A main body(10) of a lock consists of a housing(20), a cylinder(30) and a swivel rod(40). A plurality of first fitting grooves(35) with constant gaps are formed on one external side of the cylinder(30). A plurality of second fitting grooves with constant gaps are formed on the other external side of the cylinder so as not to be matched with the first fitting grooves(35). First magnets(39) supported by springs and having magnetic force are respectively inserted into the first/second fitting grooves(35). Third and fourth fitting grooves(51,52) corresponding to the first/second fitting grooves(35) are formed on the key(50). Second magnets(55) are respectively inserted into the first/second fitting grooves(51,52).

Description

Lock {A LOCK}

The present invention relates to a lock, and in particular, a plurality of magnetic bodies having different magnetic poles are inserted into a key and a cylinder constituting the lock, and when a key is inserted, the cylinders are rotated by being attracted to each other by attracting force of the magnetic bodies, thereby locking the lock by a duplicate key. The lock relates to preventing the locking.

A mechanical lock generally used consists of a lock body and a key, and the lock body comprises a housing fixed to an object such as a door, and a cylinder rotatably inserted into the housing. Then, the key is inserted into the keyhole of the cylinder to rotate the cylinder to lock the locked state of the lock.

Such a lock has a simple structure and is easily used in a visit, a warehouse, a closed room, and the like.

However, such a mechanical lock has a keyhole exposed to the outside, which may be opened from outside by intruders who use the lock principle, it is extremely easy to imitate the key itself, and locks using some similar keys. When the cylinder is inserted into the keyhole to reach an approximation, the cylinder is easily rotated and the lock state is locked, which is not suitable as a lock for storing important items.

The present invention has been made to solve such a conventional problem, the present invention is to prevent theft by making the key is impossible to be forged by constituting the key and the lock body with a plurality of magnetic bodies arranged between different magnetic poles. .

1 is an exploded perspective view of the lock according to the present invention.

Figure 2 is an exploded perspective view of the main portion of Figure 1;

Figure 3 is an enlarged cross-sectional view of the engaged state of the lock according to the present invention.

Figure 4a, 4b is an operating state of the lock according to the present invention.

Figure 5a, 5b is a cross-sectional view showing the arrangement of the key and the cylinder according to the present invention.

<Description of the symbols for the main parts of the drawings>

20: housing 21: fitting hole

23: stopping groove 30: cylinder

35,36,51,52: 1,2,3,4 fixing groove 38: spring

39,55: first and second magnetic substance 50: key

54 body 60: case

In order to achieve the above object, the present invention provides a housing screwed to protrude outward from a door, a cylinder rotatably inserted into the inside of the housing, and a pivot between the cylinder and the other end, which is fastened and fixed to the other end. In the lock body consisting of a lock body and a key inserted into the cylinder to rotate the cylinder, a plurality of first fixing grooves are formed at equal intervals in one outer diameter of the cylinder, the other outer diameter is arranged with the first fixing grooves The second fixing grooves are formed to be equally spaced apart from each other, the first fixing grooves and the second fixing grooves are supported by springs, and a first magnetic body having magnetic force is inserted into and attached to the first fixing grooves, respectively. Third and fourth fixing grooves are formed at equal intervals so as to correspond to the fixing grooves, respectively, and a second magnetic body having magnetic force is formed in the third fixing groove and the fourth fixing groove, respectively. Is inserted, the outer peripheral body portion of the key there is provided a lock, it characterized in that the case is fixed to the insert fully enclosed condition the body part.

Hereinafter, embodiments of the present invention will be described in detail with reference to the present invention.

As shown in Figures 1 to 4, the lock 1 according to the present invention is largely composed of the lock body 10 and the key 50.

The lock body 10 is screwed to protrude to an object such as a door 7 to the outside, and the housing 20 through which the fitting hole 21 penetrates, and is rotatable to the fitting hole 21 of the housing 20. It is made of a cylinder 30 is inserted into the rotation, and the rotation interval 40 is fastened and fixed to the other end of the cylinder 30 to rule the object such as a door.

One end of the fitting hole 21 of the housing 20 has a locking end 22 formed therein, and locking grooves 23 are formed in both longitudinal directions of the fitting hole 21, respectively, and the fitting hole 21 has an outer diameter. The screw hole 24 penetrates in communication with it. In addition, a curved locking groove 25 is formed at one side of the fitting hole 21 of the housing 20. The housing 20 is fastened and fixed by the fastening nut 5 inside the door 7 or the like.

The cylinder 30 has a locking portion 31 that is caught on the locking end 22 of the housing 20 is formed in the outer diameter once the insertion length of the cylinder 30 is limited, the key hole 32 by maintaining a rectangular horizontal ) Is penetrated, and the guide locking groove 33 is formed in the lower outer diameter.

In addition, a plurality of first fixing grooves 35 are formed at equal intervals in one outer diameter of the cylinder 30, and second fixing grooves 36 are formed at equal intervals in the other outer diameter. At this time, the first fixing groove 35 is formed at equal intervals to be close to the engaging portion 31 of one end of the cylinder 30, the second fixing groove 36 is the other outer diameter to be spaced apart from the first fixing groove (35) It is formed at equal intervals.

That is, the first and second fixing grooves 35 and 36 are formed in the same number on the outer diameter of one side and the other side of the cylinder 30 to be offset from each other.

In addition, the first magnetic body 39 is inserted into the first and second fixing grooves 35 and 36, respectively. The first magnetic body 39 is supported by a spring 38 in the first and second fixing grooves 35 and 36.

In addition, the guide hole 32a extends in the key hole 32 to guide the insertion of the key 50.

The rotation interval 40 is screwed to the other end of the cylinder 30 is rotated in the same direction as the cylinder 20 to determine the locking state of the door 7 or the like.

In addition, the fastening member 29 is fastened to the screw hole 24 of the housing 20 and the locking guide groove 33 of the outer diameter of the cylinder 30, so that the cylinder 30 is inserted into the fitting hole 21 of the housing 20. Is fastened and fixed to be rotatable. At this time, the rotation of the cylinder 30 will not be out of the range of the locking guide groove (33).

That is, the locking guide groove 33 is caught by the end of the fastening member 29 to adjust the rotation angle of the cylinder 30, the rotation angle is maintained at 90 °.

The key 50 has third and fourth fixing grooves 51 and 52 formed at equal intervals to correspond to the first and second fixing grooves 35 and 36 of the cylinder 30, respectively. The body portion 54 is formed with a guide groove 53 guided by the guide protrusion 32a formed in the key hole 32 of the cylinder 30, and the handle portion 56 provided at one end of the body portion 54.

The third fixing groove 51 and the first fixing groove 35 are coincident with each other, and the fourth fixing groove 52 and the second fixing groove 36 are formed to coincide with each other.

In addition, second and second magnetic bodies 55 having strong magnetic force are respectively inserted into the third and fourth fixing grooves 51 and 52. In addition, the outer periphery of the body portion 54, the case 60 is inserted and fixed in a state completely wrapped around the body portion 54.

That is, the body portion 54 into which the second magnetic body 55 is inserted is completely wrapped with the case 60 made of a metal material, and the guide portion 61 in close contact with the guide groove 53 is formed.

On the other hand, the case 60 of the cylinder 30 and the key 50 is provided with locking means for unlocking the key 50.

The locking means is inserted into the vertical hole 70 in communication with the key hole 32 in the upper outer diameter of the cylinder 30, and inserted into the vertical hole 70 so as to be protruding into the key hole 32, and protrudes at one end thereof. The adjustment member 73 protruding from the pin 72, the elastic member 74 interposed between the outer diameter of the adjustment member 73, and supporting the wandering of the adjustment member 73, and the body portion 54 of the key 50. ) And the adjusting hole 75 penetrated through the case 60.

That is, when the key 50 wrapped by the case 60 is inserted into the key hole 32, the adjusting hole 75 penetrated through the case 60 and the body part 54 is a protruding pin 72 of the adjusting member 73. ), The key 50 is freely separated from the key hole 32. At this time, the head of the adjustment member 73 is caught in the curved locking groove 24 of the housing 20. In this state, when the cylinder 30 is rotated to one side with the key 50, the lock state of the lock 1 is released, and the head of the adjustment member 73 rides out of the curved locking groove 24 of the housing 20. The protruding pin 72 of the adjusting member 73 is inserted into the adjusting hole 75 of the case 60 by the elastic force of the elastic member 74 so that the key 50 is not separated from the key hole 32 of the cylinder 30. By doing so, the locked state is maintained.

Meanwhile, as illustrated in FIGS. 5A and 5B, the magnetic pole and the key 50 of the first magnetic body 39 inserted into the first and second fixing grooves 35 and 36 formed at one side and the other outer diameter of the cylinder 30, respectively. When the magnetic poles of the second magnetic body 55 inserted into and attached to the third and fourth fixing grooves 51 and 52 formed in the body portion 54 of the first and second magnetic bodies 39 and 55 are disposed opposite to each other. The suction force of the cylinder 30 rotates from the fitting hole 21 of the housing 20, and the lock state of the lock 1 is released, and any one of the plurality of first and second magnetic bodies 39, 55 is the same. When the magnetic poles are disposed, the locked state is not released by the repulsive force of the first and second magnetic bodies 39 and 55.

That is, when the magnetic poles of the first magnetic body 39 respectively inserted into the first and second fixing grooves 35 and 36 are N poles, the second and second inserts are inserted into the third and fourth fixing grooves 51 and 52. Only when the magnetic pole of the magnetic body 55 is disposed in the S pole, the cylinder 30 is rotated to release the locked state of the lock 1.

At this time, the spring 38 is compressed by the first magnetic material 39 inside the first and second fixing grooves 35 and 36 of the cylinder 30 being moved inward by the suction force.

In addition, when the magnetic poles of the first magnetic body 39 inserted into the first and second fixing grooves 35 and 36 are S poles, the second magnetic body is inserted into and attached to the third and fourth fixing grooves 51 and 52. When the magnetic pole of the 55 is disposed at the S pole, the first magnetic body 39 inside the first and second fixing grooves 35 and 36 of the cylinder 30 is pushed out by the repulsive force. At this time, the first magnetic body 39 is quickly caught by the restraining groove 23 of the housing 20 by the restoring force of the compressed spring 38, so that the cylinder 30 is not rotated and the locked state of the lock 1 is released. Will not be.

Referring to the operating state of the present invention configured as described above, as shown in Figure 4a, the fitting hole penetrated through the housing 20 of the lock body 10 is fastened by the fastening nut 5 so as to protrude to the outside, such as the door (7) The case 21 is rotatably inserted in the insertion hole 21 and is caught by the locking end portion 31 of the fitting hole 21 at one end of the inner diameter through the key hole 32 of the cylinder 30 having a limited insertion length. 60 to insert the body portion 54 of the key 50 wrapped.

Then, the guide portion 61 of the case 60 in close contact with the guide groove 53 in the center of one surface of the body portion 54 is moved inward along the guide protrusion 32a of the key hole 32, and the key 50 The handle 56 is caught so that it is no longer inserted.

At this time, the head of the adjustment member 73 is caught in the curved locking groove 25 of the housing 20, so that it is not inserted into the adjustment hole 75 of the case 60 to the protruding pin 72 of the adjustment member 73. In that position, the key 50 is separated from the keyhole 32.

In this state, as shown in FIG. 4B, the key 50 is rotated clockwise. Then, the key 60 is rotated clockwise. At the same time is fastened through the screw hole 24 of the housing 20, one end of the fastening member 29 located in the guide locking groove 53 of the cylinder 30 rotates along the guide locking groove 53, This rotation angle is maintained at 90 degrees. That is, the cylinder 30 is rotated about 90 degrees clockwise.

Accordingly, the rotation interval 40 fastened and fixed to the other end of the cylinder 30 is rotated to release the locked state of the door. At this time, the head of the adjustment member 73 is separated from the curved locking groove 25 of the housing 20. At this time, the protruding pin 72 is inserted into the adjustment hole 75 of the case 60 by the elastic force of the elastic member 74 as much as the depth of the curved locking groove 25, the key 50 is the key hole of the cylinder 30 ( The locking state of the key 50 is maintained by not being released from 32.

In this state, when the key 50 is rotated in the opposite direction, the head of the adjusting member 73 is caught inside the curved locking groove 25 of the housing 20 by the restoring force of the elastic member 74 to adjust the adjusting member 73. The protruding pin 72 of the case 60 is separated from the adjustment hole 75 of the case 60 to maintain the lock state of the lock 1, the key 50 is easily separated from the key hole 32.

Meanwhile, the maintenance and release of the locked state of the lock 1 operated as described above will be enabled when the conditions as shown in FIGS. 5A and 5B are satisfied.

The third magnetic pole of the first magnetic body 39 and the third key of the key 50 are elastically inserted as springs 38 in the first and second fixing grooves 35 and 36 of one side and the other outer diameter of the cylinder 30, respectively. When the magnetic poles of the second magnetic body 55 inserted into the fixing grooves 51 and 52 are arranged opposite to each other, the cylinder 30 is moved by the mutual suction force of the first and second magnetic bodies 39 and 55. The lock is unlocked by rotating from the fitting hole 21 of 20).

When the same magnetic poles are arranged in any one of the plurality of first and second magnetic bodies 39 and 55, the locked state of the lock 1 is not released by the repulsive force of the first and second magnetic bodies 39 and 55. .

That is, when all of the magnetic poles acting on the outside of the first magnetic body 39 respectively inserted into the first and second fixing grooves 35 and 36 are N poles, they are inserted into the third and fourth fixing grooves 51 and 52. Only when the magnetic pole acting on the outside of the attached second magnetic body 55 is disposed at the S pole, the cylinder 30 is rotated to release the locked state of the lock 1. At this time, the spring 38 is compressed by the first magnetic material 39 inside the first and second fixing grooves 35 and 36 of the cylinder 30 being moved inward by the suction force.

When the magnetic poles of the first magnetic body 39 of the first and second fixing grooves 35 and 36 are S poles, the magnetic poles of the second magnetic body 55 of the third and fourth fixing grooves 51 and 52 are both S. The first magnetic body 39 inside the first and second fixing grooves 35 and 36 of the cylinder 30 is pushed outward by the repulsive force even when one of the poles is disposed. At this time, the first magnetic body 39 is quickly caught by the restraining groove 23 of the housing 20 by the restoring force of the compressed spring 38, so that the cylinder 30 is not rotated and the locked state of the lock 1 is released. Will not be

On the other hand, by assembling the first and second magnetic bodies 39 and 55 at the time of assembling the lock 1, the duplication of the key 50 becomes virtually impossible.

According to the present invention described above, a plurality of first magnetic bodies inserted into both sides of the cylinder outer diameter of the lock and a plurality of second magnetic bodies inserted into the key hole of the cylinder to release and maintain the lock state of the lock. By arranging the arrangement in various ways, that is, by arranging different poles so that a strong suction force is generated, the lock force is maintained and released by the suction force, thereby providing an effect of preventing the duplication of the key.

While the invention has been shown and described with respect to certain preferred embodiments thereof, the invention is not limited to the embodiments described above, and is typically defined in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge of the world can make many variations.

Claims (3)

A lock body comprising a housing screwed to protrude outward from the door, a cylinder rotatably inserted into the housing, and a rotation interval fastened and fixed to the other end of the cylinder to secure the door and the like, and inserted into the cylinder. In the lock consisting of a key for rotating the cylinder, A plurality of first fixing grooves 35 are formed at equal intervals in one outer diameter of the cylinder 30, and a second fixing groove 36 is disposed at equal intervals so that the first fixing grooves 35 are displaced at the other outer diameter. Formed, The first fixing groove 35 and the second fixing groove 36 are supported by a spring 38, the first magnetic material 39 having magnetic force is inserted and attached, respectively, The key 50 is the third and fourth fixing grooves 51 and 52 are formed at equal intervals to correspond to the first and second fixing grooves 35 and 36 of the cylinder 30, respectively. A second magnetic body 55 having magnetic force is inserted into and attached to the third fixing groove 51 and the fourth fixing groove 52, respectively. The outer peripheral edge of the body portion 54 of the key 50, the lock characterized in that the case 60 is inserted and fixed in a completely wrapped body portion 54. The method of claim 1, wherein the first magnetic body 39 of the first fixing groove 35 and the second fixing groove 36, the second magnetic body of the third fixing groove 51 and the fourth fixing groove 52 Lock 55, characterized in that arranged with different stimulus. The lock according to claim 1, wherein the housing (20) is provided with engaging grooves (23) formed at both sides of the fitting hole (21) so that the first magnetic material (39) is elastically caught.