KR20020095989A - door locking device lockable without key - Google Patents

Abstract

PURPOSE: An entrance door locking apparatus capable of locking without a key is provided to rapidly and easily lock the entrance door without unlocking by rotating a rotation cap, thereby minimizing a burglar due to the breakage and unlocking of the locking apparatus. CONSTITUTION: An entrance door locking apparatus capable of locking without a key includes a housing(10) formed therein a rotating body(20) coupling a rotating cap(40) to a top of the rotating body(20) and a key cylinder(30) coupling a rotating bar(50) and a rotating plate(60) to a bottom of the key cylinder(30) and an incision part(13) provided with a pair of supporting rods(11,11') and a holding jaw(12). The rotating body(20) forms a plurality of insertion holes(21,21') on the top thereof, forms a protrusion(22) on a bottom thereof, connects an elastic pin(24) for erupting by a spring(63) and forms a plurality of holding pins(25) on the bottom of the rotating body(20). The housing(10) further includes a pair of side protrusions(26,26') a center portion of the bottom of the rotating body(20). The rotating body(20) includes a key groove(31) and a driving jaw(33) formed on the bottom thereof. The rotating cap(40) includes a plurality of coupling jaws inside thereof and a pair of holding protrusions(42,42') formed on the peripheral surface of the rotating cap(40). The rotating bar(50) is provided with a step(51) formed on a top portion thereof and a center protrusion(52) formed on a center of a bottom thereof. The rotating plate(60) includes a center protrusion inserting hole(62) formed on a pair of rotating jaws(61,61') and a pair of side inserting holes(64,64') formed a peripheral thereof.

Description

Door locking device lockable without key}

The present invention relates to a locking device used to be mounted on the doors of apartments and offices, and more particularly, it is possible to lock even without a key by a separate rotation locking device formed on the outer circumferential surface of the key cylinder is very simple and easy to use. One lock.

Residential and office-type apartments or officetels, and various places such as business and offices are provided with doors, and these doors are generally combined with a lock by a key box for theft prevention.

In addition, since a simple locking device is easily opened from a thief with a high unlocking technique, a special key box having a more complicated and diverse operating structure is provided and used.

In addition, both general locks and special locks must be keyed to lock and unlock.

However, the locks and auxiliary locks as described above can be locked and unlocked only by using a key, so the key is prepared in advance, and the lock is closed using a key after closing the door. This is a cumbersome problem.

In addition, when a plurality of auxiliary locks are installed in one door, it is necessary to find and lock the keys corresponding to the respective locks one by one, so it takes a short time to close the locks. In order to avoid such a waste of time and the hassle of the lock, the theft is close to one lock device to go out, so that the theft was broken by breaking or unlocking the lock device.

The present invention has been conceived to eliminate the problems as described above, by operating a locking device by rotating a separate rotary cap on the outside of the door to close the door, it is possible to lock the door without the conventional key, and rotation It is possible to lock without unlocking just by rotating the cap, which enables quick and easy locking, thereby providing a door lock that can be locked without a key that can minimize the damage of the locking device and theft by unlocking. It is an object of the present invention.

1 is an exploded perspective view of the locking device of the present invention

Figure 2 is a cross-sectional view of the combined state of the locking device of the present invention

Explanation of symbols on the main parts of the drawings

1: locking body 2: locking pin

3: sliding piece 4: rotating arm

10: housing 11, 11 ': fixed base

12: engaging jaw 13: incision

20: rotating body 21, 21 ': insertion hole

22: step 23: spring

24: elastic pin 25: locking pin

26,26 ': Side

30: key cylinder 31: key groove

33: driving jaw

40: rotating cap 41: coupling jaw

42,42 ': Gripping protrusions

50: rotating rod 51: driven jaw

52: center

60: rotating plate 61,61 ': rotating jaw

62: center insertion hole 64,64 ': side insertion hole

63: return spring

Hereinafter, preferred embodiments of the present invention will be described.

1 is an exploded perspective view of the entire locking device of the present invention, Figure 2 is a cross-sectional view of the combined state of the locking device of the present invention.

The rotating body 20 and the key cylinder 30 are built in the housing 10, respectively, the upper portion of the rotating body 20 is coupled to the rotating cap 40, the lower portion of the key cylinder (30) 50) and the rotating plate 60 is combined to form,

The tubular housing 10 is composed of left and right holders 11 and 11 ', an inner locking jaw 12 and an incision 13 formed in the locking jaw 12,

The tubular rotating body 20 forms a plurality of insertion holes 21 and 21 'at the upper end, a lower step 22 at the lower end thereof, and a spring 23 at the lower end of the step 22. Combining the resilient pins 24, which is formed on the bottom of the rotating body 20 to form a plurality of engaging pins 25, the bottom side of the rotating body 20, the left and right sides 26 (26 ') ) To protrude,

The key cylinder 30 is formed by forming a key groove 31, the driving jaw 33 of the bottom,

Rotating cap 40 is formed by forming a plurality of engaging projections 41 and a plurality of holding projections 42, 42 'formed on the outer peripheral surface,

Rotating rod 50 is composed of a driven jaw 51 of the upper portion, and a central piece 52 of the bottom center,

The rotating plate 60 is formed of a central piece insertion hole 62 in which the rotating jaw 61 and 61 'are formed, and a plurality of side piece insertion holes 64 and 64' formed at its periphery.

The locking pin 25 of the rotating body 20 and the one side fixing member 11 of the housing 10 are coupled by a separate return spring 63, and the lower part of the rotating rod 50 has a protrusion 5 and a spring ( The supporting plate 8 having the protruding pins 7 which are carried out by 6) is formed to be coupled to the lower part of the rotating body 20.

In the drawings, reference numeral 1 is a locking body, 2 is a locking pin, 3 is a sliding piece, 4 is a rotating arm.

Referring to the operation of the present invention by the above configuration in more detail by the accompanying drawings as follows.

As shown in FIG. 2, the locking device of the present invention is completed by a combination of a plurality of rotating bodies and a fixed body. An inner key cylinder 30 is built in the innermost portion, and a rotating body 20 is coupled to an outer circumferential surface thereof. The housing 10 is positioned on the outer circumferential surface of the rotating body 20.

The key cylinder 30 and the rotating body 20 is to be locked or opened by the rotation of the key and the rotating cap 40, respectively,

Locking and opening by the key is inserted into the key groove 31 of the key cylinder 30, the key cylinder 30 and the rotary rod 50 is rotated together, the center formed at the end of the rotary rod 50 The piece 52 rotates the rotating plate 60 to thereby operate the locking pin 2 of the locking body 1.

This operation is to reverse the opening and closing action according to the left and right rotation direction of the key, which will be described in more detail,

As shown in FIG. 3A, the key cylinder 30 and the rotary rod 50 are rotated by inserting the key, but in the first open state, the driving jaw 33 formed at the lower portion of the key cylinder 30 is formed on the rotary rod 50. Since the driving jaw 51 is located on one side, the key cylinder 30 rotates and the driving jaw 33 is interviewed with the driven jaw 51 to rotate together as shown in FIG. 3B.

In this rotation state, the lock is closed, and the key does not come out in this rotation state, so that the key can be returned to its original state as shown in FIG. 3C and the key can be removed from the key cylinder 30. By the locking operation and the rotation of the rotating rod 50, the driven jaw 51 of the rotating rod 50 is in a state of being interviewed with the other side of the driving jaw 33 of the key cylinder 30.

Therefore, when the locking device is to be opened again, the key is inserted into the key cylinder 30 as shown in FIG. 3d and then rotated in the opposite direction as described above to drive the driving jaw 33 of the key cylinder 30. ) Rotates the driven jaw 51 of the rotating rod 50 in the opposite direction, so that the center piece 51 of the rotating rod 50 reversely rotates the rotating plate 60 as described above, thereby locking pins of the locking body 1 are formed. (2) is released, the locking device is opened, and when the key cylinder 30 is returned to its original state by the rotated key as shown in FIG. 3E, the key can be removed.

In addition, in the present invention, the locking device may be closed by rotating the rotary cap 40 without using a key.

Rotating cap 40 is exposed to the outer surface of the door is coupled to the engaging jaw 41 is inserted into the insertion hole 21, 21 'of the rotating body 20 is coupled to each other, the rotating cap 40 At the same time as the rotation of the rotating body 20 will be rotated together.

In addition, the left and right side pieces 26 and 26 'formed at the lower part of the rotating body 20 are inserted into the side insertion holes 64 and 64' of the rotating plate 60, respectively, so that the rotating body 20 is provided. When the side pieces 26 and 26 'rotate the rotating plate 60 so that the locking action of the locking device can occur.

The rotating cap 40 and the rotating body 20 rotated in this way are inserted into the locking pin 25 of the rotating body 20 and the fixing spring 11 of the housing 10 to the original position by the return spring 63 coupled thereto. When the rotating cap 40 and the rotating body 20 are rotated, the return spring 63 fixed to one side 11 of the housing 10 is compressed by the rotation of the rotating body. Removing the force to rotate the rotary cap 40 is to return the rotary cap 40 and the rotating body 20 to the original state while the return spring (63) of the compressed state is elastically returned.

In addition, the stepped portion 22 of the rotating body 20 is prevented from falling downward by the locking step 12 of the housing 10 in the process of their coupling, the spring 23 in the lower portion of the rotating body 20 The elastic pin 24 coalesced by the rotary body 20 is inserted into the housing 10 in a compressed state along the cutout 13 of the housing 10, and the rotating body 20 to a predetermined depth. Is inserted into the resilient pin 24 is exposed to the outside, that is, at the end of the lower end of the housing 10, the spring 23 is elastically returned so that the resilient pin 24 protrudes, so that the housing 10 While it is impossible to separate and detach the rotor 20 from the rotor 20, the rotation of the rotor 20 may be naturally rotated without friction and difficulty with the housing 10.

In addition, the lower part of the rotating rod 50 is formed with a protrusion (5) on one side and the other side is coupled to the backing plate (8) having a protruding pin (7) protruding in the spring (6) and the rotating rod (50) To prevent them from falling out.

The locking device of the present invention is coupled to the locking operation by the operation sequence as shown in Figure 4a to 4c,

When the locking means is in the open state as shown in FIG. 4A, when the rotary cap 40 is rotated as shown in FIG. 4B, the rotor 20 rotates while the side pieces 26 and 26 ′ of the lower part of the rotor 20 rotate. ) Rotates the lower rotating plate 60 while rotating together, the rotating plate 60 is the rotation of the rotary arm (4) and the sliding piece (3) to move the locking pin (2) thereby operating the lock body (1) Lock operation is occurring.

In addition, when the force to rotate the rotating cap 40 in the locked state is removed, the rotating cap 40 and the rotating body 20 is returned to the original state by the return spring 63 as shown in Figure 4c.

In addition, the locking and releasing action using the key is the center piece of the rotating plate 60 when the rotation of the key cylinder 30 and the center piece 52 of the rotating rod 50 are rotated as in the conventional method of FIGS. 5A and 5C. The rotating plate 60 is rotated while being caught by the rotating jaw 61 and 61 ′ of the insertion hole 62, and the rotating action of the rotating plate 60 is the rotating arm 4, the sliding piece 3, and the locking pin ( 2) is to be linked to the operation of the lock, when the key is rotated in the opposite direction because the rotating plate 60 is reversed rotation is to unlock the locking means.

As described above, the lockable door lock device of the present invention can lock the door without a key, and can be locked without unlocking only by rotating the rotating cap, so that the lock can be more quickly and easily. There is an effect that can minimize the theft due to breakage of the lock and unlocking.

Claims (1)

The rotating body 20 and the key cylinder 30 are built in the housing 10, respectively, the upper portion of the rotating body 20 is coupled to the rotating cap 40, the lower portion of the key cylinder (30) 50) and the rotating plate 60 is combined to form, The tubular housing 10 is composed of left and right holders 11 and 11 ', an inner locking jaw 12 and an incision 13 formed in the locking jaw 12, The tubular rotating body 20 forms a plurality of insertion holes 21 and 21 'at the upper end, a lower step 22 at the lower end thereof, and a spring 23 at the lower end of the step 22. Combining the resilient pins 24, which is formed on the bottom of the rotating body 20 to form a plurality of engaging pins 25, the bottom side of the rotating body 20, the left and right sides 26 (26 ') ) To protrude, The key cylinder 30 is formed by forming the key groove 31 and the driving jaw 33 of the bottom, Rotating cap 40 is formed by forming a plurality of engaging projections 41 and a plurality of holding projections 42, 42 'formed on the outer peripheral surface, Rotating rod 50 is composed of a driven jaw 51 of the upper portion, and a central piece 52 of the bottom center, The rotating plate 60 is formed of a central piece insertion hole 62 in which the rotating jaw 61 and 61 'are formed, and a plurality of side piece insertion holes 64 and 64' formed at its periphery. The locking pin 25 of the rotating body 20 and the one side fixing member 11 of the housing 10 are coupled by a separate return spring 63, and the lower part of the rotating rod 50 has a protrusion 5 and a spring ( 6) A keyless lockable door lock device, characterized in that the support plate (8) having a protruding pin (7) that is carried out by 6) is formed to be coupled to the lower portion of the rotating body (20).