KR200300343Y1 - A Locking Device - Google Patents

Abstract

The present invention relates to a lock that is automatically released only by pressing after inserting the key. When the key is inserted into the key groove of the key holder inherent in the lock body, the fixed portion of the key holder is released from the body and released. The key retainer is moved to the other side by the pressing force of the key is characterized in that the clasp rod is released by opening the pin fixed to the clasp bar by the operating rod coupled to the rear.

Description

A Locking Device

The present invention relates to a kind of locking device that can be opened in doors, drawers, safes, etc. so that it cannot be opened without a key. More specifically, when the key is inserted into the keyway of the key holder inherent in the lock body, The fixed part of the key retainer is released, and the released key retainer moves to the other side by the pressing force of the key. will be.

In general, a lock is a kind of locking device that can be opened in doors, drawers, safes, etc. so that it can not be opened without a key.

The locks are classified into word locks, lever locks and pin locks according to the opening and closing mechanism. Among them, the common lock used by people is a pin-tumbler lock called a cylinder lock.

The lock release is configured to insert the key retainer to the rear of the body, the key is inserted into the key groove formed on the bottom of the key retainer is configured to unlock the lock by the rotation of the key.

At this time, the groove formed on the outside of the key and the fixing piece provided on the inner side of the key retainer should be engaged, but the key retainer is rotated, so if the key is rotated without being fully inserted, the key retains the key retainer. There was a drawback of being broken or bent in the inserted state.

Therefore, a device having a structure capable of releasing a lock by only inserting a key so that the key inserted into the key retaining body does not break or bend should be developed.

Accordingly, the present invention is conceived in view of the above-described conventional problems, and a first object of the present invention is to provide a lock device that can be automatically unlocked only by pressing after inserting a key.

A second object of the present invention is to provide a lock device that makes the lock release operation simpler by allowing the clasp to be drawn out only by the movement of the key holder into which the key is inserted during the lock release operation.

The objectives of the present invention, eccentric both sides are made to bend downward, the length is relatively small from the curved portion to one side, the single end portion 21 is formed with a locking groove (21a) on one side, and the single end portion ( 21) has a tapered shape that is relatively longer in length and smaller in diameter toward one side, the latch rod 20 consisting of a long rod portion 22 having a wedge shape;

The long bar latch hole 13 and the short bar clasp hole 12 formed on both sides of the upper surface so that the clasp bar 20 can be inserted into the shape, and the long groove 11 formed along the axial direction toward the center of the lower surface A body 10 including a groove portion 11a formed along the outer side from the inside to the inner side of the long groove 11;

The key groove 31 is formed along the axial direction so that the key 70 can be inserted along the free end, and is inserted into the long groove 11 of the body 10. A key retainer (30) comprising a plurality of through holes (31a) which are formed to penetrate through the key groove (31) from the outside so as to be in line with the formation position of the groove (11a) to be formed;

As the key 70 is selectively inserted into the key groove 31 of the key retainer 30, the groove portion of the body 10 so that the key retainer 30 can be unlocked with respect to the body 10. An elastic means (43), a support piece (42) and a fixing piece (41) which are sequentially inserted into the through holes (31a) of the key holder (11a) and (11a), respectively;

Located in the upper end of the inner side of the body 10, one side is located outside the long rod clasp hole 13 and the other side of the clasp rod 20 is inserted into the single rod clasp hole (12) of the hook portion A first U-shaped first locking pin 61 positioned across the groove 21a;

The long locking part 22 is spaced downward from the first locking pin 61 at a predetermined interval, and one side is positioned outside the single rod clasp hole 12 and the other side is inserted into the long rod clasp hole 13. A second U-shaped second locking pin 62 positioned across both sides of the second locking pin 62; And

It is coupled in the rear axial direction of the key retainer 30 is integrally linked with the key retainer 30, the other end across the inner side of the second locking pin 62, the first locking pin 61 It is achieved by a lock device comprising a; an operating rod (50) located at the bottom of the.

And the inner side of the single rod clasp hole 12, the withdrawal means are sequentially inserted to be elastically withdrawn as the single rod portion 21 of the clasp rod 20 is released with respect to the first locking pin (61). It is preferable to further include 12b and the straw 12a.

In addition, the elastic means 43 and the lead means 12b is preferably a coil spring.

In addition, the operating rod 50 is preferably a wedge shape of the other end of the diameter increases and decreases so as to open the first locking pin 61 to both sides.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and the preferred embodiments associated with the accompanying drawings.

1 is a perspective view of a lock device according to the present invention,

2 is a first cross-sectional view of the lock device according to FIG. 1, FIG.

3 is a partially enlarged view taken along line A of FIG. 2;

4 is a first perspective view of the lock device according to FIG. 2;

FIG. 5 is a second cross-sectional view illustrating a state in which a key is inserted to move a key retainer within a body;

FIG. 6 is a partially enlarged view taken along line B of FIG. 5;

7 is a second perspective view of the lock device according to FIG. 5;

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

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

10: body 11: long groove

11a: groove 12: single latch hole

12a: push rod 12b: withdrawal means

13: long clasp 20: clasp

21: single end portion 21a: locking groove

22: long sleeve 30: key retention

31: keyway 31a: through hole

41: fixed piece 42: support piece

43: elastic means 50: working rod

61: first locking pin 62: second locking pin

70: key 71: groove

100: lock

Hereinafter, with reference to the accompanying drawings with respect to the lock device according to the present invention will be described.

1 is a perspective view of a lock device according to the present invention, Figure 2 is a first cross-sectional view of the lock device according to Figure 1, Figure 3 is a partially enlarged view along the line A of Figure 2, Figure 4 is according to FIG. First perspective view of a lock.

As shown in Figures 1, 2, 3 and 4, the lock device 100 is composed of three parts, which is coupled to the body forming the lock 10, the upper portion of the body (10) It consists of a clasp bar 20 and the key retainer 30 is inserted into the lower portion of the body (10).

Wherein the clasp bar 20 is one side is eccentric both sides are made to bend downward so that the mutual length is different. The clasp bar 20 is composed of a single rod portion 21, the lock portion is drawn out at the time of unlocking, and a long rod portion 22 that takes a wedge shape and functions as a stopper at the time of unlocking.

In addition, the body 10 has a long clasp hole 13 and a single clasp hole 12 formed at both sides of an upper surface thereof so that both sides of the clasp 20 can be inserted therein, and the key retainer is provided at a lower side thereof. A circular long groove 11 is formed at a predetermined depth along the axial direction so that the 30 can be inserted.

At this time, five grooves 11a are formed in the inner side of the long groove 11 from the inner side to the outer side at predetermined intervals along the axial direction.

A cylindrical key retainer 30 corresponding to the shape is inserted into the long groove 11.

The key holder 30 is formed with a key groove 31 along the axial direction so that the key can be inserted along the free end. Five through holes 31a are formed on the key groove 31 from the inner side to the outer side.

Here, the through holes 31a are positioned on the same line as the key holder 30 is in communication with the forming position of the grooves 11a when the key holder 30 is inserted into the long grooves 11 of the body 10.

When the through-holes 31a and the grooves 11a are positioned on the same line as each other, the resilient means 43 and the support piece may be sequentially arranged so that the key holder 30 is fixed to the body 10. 42 and the fixing piece 41 are inserted.

Here, the elastic means 43 is located on the groove portion 11a, and the support piece 42 located in front of the elastic means 43 is the middle of the through hole 31a and the groove portion 11a. The fixing piece 41 positioned at the front of the support piece 42 protrudes partially onto the key groove 31.

The elastic means 43 in the above is made of a coil spring, if the key is inserted into the key groove 31 of the key retainer 30, the support piece 42 sequentially inserted in front of the coil spring ) And the fixing piece 41 is made of a structure that can flow to the other side.

In addition, a first locking pin 61 having a 'U' shape is positioned at an inner upper end of the body 10. One side of the first locking pin 61 is located outside the long rod clasp hole 13 and the other side is located across the side of the single rod clasp hole 12.

In addition, the second locking pin 62 of the 'U' shape is spaced apart downward with a predetermined interval with respect to the first locking pin (61). One side of the second locking pin 62 is located outside the single rod latch hole 12 and the other side is positioned across the side of the long rod latch hole 13.

Therefore, the first locking pin 61 has a structure that can be fixed in shape to correspond to both sides of the locking groove (21a) of the end bar portion 21 to be inserted into the single rod latch hole (12).

In addition, in the rear axial direction of the key retainer 30, the operating rod 50 is coupled to work integrally with the key retainer 30. The other side of the operating rod 50 has a tapered wedge shape, and is located below the first locking pin 61 across the inner side of the second locking pin 62.

5 is a second cross-sectional view showing a state in which a key is inserted to move the key retainer within the body.

As shown in FIG. 5, the key holder 30 is inserted into and fixed to the long groove 11 of the body 10.

At this time, when the key is inserted into the key groove 31 of the key retainer 30, the fixing piece 41 drawn on the key groove 31 of the key retainer 30 is pushed inward and the key ( The support piece 42 which is engaged with the recess 71 of the 70 and positioned behind the fixing piece 41 is pushed onto the groove part 11a of the body 10.

Therefore, the key retainer 30 is separated from the body 10 to be able to move to the other side.

Therefore, the support piece 42 serves to allow the key retainer 30 to be fixed to the long groove 11 of the body 10. The linear movement of the key retainer 30 is achieved by the support piece 42 being separated from the through hole 31a of the key retainer 30.

6 is a partially enlarged view taken along line B of FIG. 5, FIG. 7 is a second perspective view of the lock device according to FIG. 5, and FIG. 8 is an exploded perspective view of the lock device according to the present invention.

6, 7 and 8, as the lock device 100, as the key 70 is inserted, the clasp rod 20 may be released to release the lock.

When the key is inserted into the key groove 31 of the key retainer 30, the fixing piece 41 drawn on the key groove 31 of the key retainer 30 is pushed to the inner side and the key 70 is pressed. The support piece 42 which is engaged with the groove 71 of the, and located behind the fixing piece 41 is elastically pushed onto the groove portion (11a) of the body (10).

At this time, the key retainer 30 is guided to the groove 11a of the body 10 and moved to the other side, and in addition to the operating rod 50 coupled to the other side of the key retainer 30. It is moved to the other side.

On the other side of the operating rod 50, the first locking pin 61 for fixing the end portion 21 of the clasp 20, across the second locking pin 62 is located below. The other end of the first locking pin 61 is spaced apart from the locking groove 21a as the operating rod 50 pushes the other end portion having a wedge shape to open the first locking pin 61. It is possible to elastically withdraw the single rod portion 21 from the single rod latch hole 12 of the body 10 of the lock.

In the elastic withdrawal, the withdrawal means 12b and the push rod 12a are sequentially inserted into the inner side of the single rod clasp hole 12 so that the first rod pin 21 of the clasp rod 20 is inserted into the first locking pin. As the lock is released with respect to 61, it can be elastically withdrawn.

At the same time, the second locking pin 62 has a function of holding the long rod 22 drawn out to the coast at a certain distance. This catches the other side of the second locking pin 62 on the stepped portion formed on the other side of the wedge portion formed on the other end of the long rod part 22 so as not to be separated from the rear more than a predetermined distance.

As described above, the lock device 100 may be included in the present invention in addition to the circular shape of the key retainer 30, a square.

In addition, the number of the locking grooves 21a and the first locking pins 61 corresponding to the locking grooves 21a of the single end portion 21 may be used.

In addition, the through hole 31a of the key retainer 30 may be irregularly formed along the axial direction, and the position of the groove 11a formed in the body 10 may also be different. Accordingly, the lengths of the support piece 42 and the fixing piece 41 which are sequentially inserted into the through hole 31a and the groove part 11a may be different.

The lock device according to the present invention as described above has the advantage that can be solved more simply by moving the key retainer to pull out the clasp bar only by pressing the key after insertion of the key.

In addition, the simple structure makes the unit cost good for mass production, and it can be used for simple lock structures such as bathroom cabinets.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, various other modifications and variations may be made without departing from the spirit and scope of the present invention. Accordingly, it is intended that the appended claims cover such modifications and variations as fall within the true scope of the present invention.

Claims (4)

Both sides are eccentrically bent downwardly, the short end portion 21 is relatively short in length from the curved portion to one side and the engaging groove 21a is formed on one side, A clasp rod 20 having a tapered shape having a relatively longer length than the single rod portion 21 and decreasing in diameter toward one side, and having a long rod portion 22 having a wedge shape in which one end is increased in diameter; The long bar latch hole 13 and the short bar clasp hole 12 formed on both sides of the upper surface so that the clasp bar 20 can be inserted into the shape, and the long groove 11 formed along the axial direction toward the center of the lower surface A body 10 including a groove portion 11a formed along the outer side from the inside to the inner side of the long groove 11; The key groove 31 is formed along the axial direction so that the key 70 can be inserted along the free end, and is inserted into the long groove 11 of the body 10. A key retainer (30) comprising a plurality of through holes (31a) which are formed to penetrate through the key groove (31) from the outside so as to be in line with the formation position of the groove (11a) to be formed; As the key 70 is selectively inserted into the key groove 31 of the key retainer 30, the groove portion of the body 10 so that the key retainer 30 can be unlocked with respect to the body 10. An elastic means (43), a support piece (42) and a fixing piece (41) which are sequentially inserted into the through holes (31a) of the key holder (11a) and (11a), respectively; Located in the upper end of the inner side of the body 10, one side is located outside the long rod clasp hole 13 and the other side of the clasp rod 20 is inserted into the single rod clasp hole (12) of the hook portion A first U-shaped first locking pin 61 positioned across the groove 21a; The long locking part 22 is spaced downward from the first locking pin 61 at a predetermined interval, and one side is positioned outside the single rod clasp hole 12 and the other side is inserted into the long rod clasp hole 13. A second U-shaped second locking pin 62 positioned across both sides of the second locking pin 62; And It is coupled in the rear axial direction of the key retainer 30 is integrally linked with the key retainer 30, the other end across the inner side of the second locking pin 62, the first locking pin 61 Locking device, characterized in that comprises ;; operating rod (50) located in the lower portion of the. The method of claim 1, Withdrawal means which are sequentially inserted in the inner side of the single rod latch hole 12 so that the single rod portion 21 of the clasp rod 20 is released with respect to the first locking pin 61. 12b) and the push rod (12a) further comprising a lock. The method according to claim 1 or 2, The elastic means (43) and withdrawal means (12b) is a lock device, characterized in that the coil spring. The method of claim 1, The operating rod (50) is a lock device, characterized in that the other end of the wedge shape of the form that the other end increases in diameter so as to open the first locking pin (61) on both sides.