KR960005230Y1 - Subsidary door lock - Google Patents

Abstract

None.

Description

Door lock

1 is an exploded perspective view of the auxiliary lock for the door of the present invention.

2 is a combined view of the present invention showing the locking and releasing action.

3a, b, c is an explanatory diagram showing the interaction relationship between the rotating rod and the step of the present invention.

Figure 4 is an enlarged view showing the main portion of the second locking device of the present invention.

* Explanation of symbols for main parts of the drawings

1: Door Assist Lock 2: Casing Body

2a: fixing jaw 2b, 2c, 12a, 13a: hole

3: protrusion jaw 3a: guide groove

4 clamp 4a ring

4b: step portion 5: lever

6: rotating rod 6a, 15a: stepped portion

6b: engaging jaw 6c: rotating surface

7: 1st stopper 8: 2nd stopper

9: fixing piece 9a: ring

10: spring 11: first locking device

11a: cam 12: second locking device

13 support 14 lock

15: lock rod 15b: strip groove

16: first elastic means 17: adjustment bolt

18: second elastic means 19: locking body

20: release prevention pin 21: bushing

22: lid body

The present invention adopts a configuration in which the clasp is exposed to the outside of the lock and the inside and the outside are blocked, so that the lock and unlock state of the lock can be easily grasped from the outside, and the lock can be changed into various forms and can be locked with one touch. An auxiliary lock which can be provided, in particular, a first locking device having a semicircular rotating piece having a locking jaw formed at one end of the rotating rod, and a cam provided on the same side as the semicircular rotating piece, and the first locking device and A second locking device formed at a predetermined distance on an axis line of the rotating piece, the second locking device comprises a locking rod having a stepped portion and a band groove at a predetermined position, and an end portion of the locking tool has a tapered shape, approximately an intermediate portion First elastic means elastically installed on the ball, a ball-shaped locking body inserted into the belt groove and an adjustment bowl for adjusting the locking force of the locking body. And, it is composed of the second elastic unit mounted resiliently between the engaging body and the adjustment bolt of the door lock for the secondary to prevent theft in advance.

Recently, the entrance door for milk or other newspapers has been installed in ordinary iron doors installed in apartments and other row buildings, and a mirror is put into this entrance, and the naked eye looks into the mirror door. The hook or wire was hooked to the lever attached to the auxiliary lock body through the inlet, and the auxiliary lock was released by pulling the long ring or wire.

As such, in order to prevent unauthorized release of the auxiliary lock by any means, there was a method of pressing the push button formed on the circular handle, but in this case, the push button of the circular handle had to be rotated to a predetermined position. It was uncomfortable.

The present invention has been made in view of the above, and the first locking device has a semicircular rotating piece having a locking jaw formed at one end of the rotating rod in the auxiliary lock for the door, and a cam provided coaxially with the semicircular rotating piece. And forming a second locking device having a stepped portion and a locking rod having a band groove at a predetermined position in a direction opposite thereto, thereby preventing an offender from releasing the rope or wire through the inlet.

In order to achieve the above object, the present invention provides a plurality of fixing jaw portions formed on one side of the casing body, a projection jaw formed in a longitudinal direction therein, a locking protrusion protruding outwardly, and a ring portion integrally formed with the locking clamp, and the ring portion A stepped portion having a difference of the same height as the rotating rod rotated by the lever is formed at the center side, and a stopper formed on both sides of the stepped portion, a lock formed to extend with the rotating rod, and an approximately center portion of the ring portion integrally formed with the clamping rod. The fixing piece installed on the side is connected to the rotating rod formed with the engaging portion and the curved portion at both ends of the end by a spring, and the rotating rod and the fixing piece are interlocked by the rotation operation of the lever to lock the door lock. And a rotating piece having a locking jaw formed at one end of the rotating rod and coaxially with the semi-circular rotating piece. A first locking device having a cam formed thereon, a second locking device formed at a predetermined distance on an axis line of the first locking device and the rotating piece, and the second locking device has a step groove and a band groove at a predetermined position. The locking rod and the end portion of the locking mechanism have a tapered shape, the first elastic means being elastically installed at an approximately middle portion, the ball-shaped locking body inserted into the belt groove, and adjusting the locking jaw of the locking body. And an adjustment bolt and second elastic means elastically installed between the locking body and the adjustment bolt.

EXAMPLE

Hereinafter, with reference to the accompanying drawings in more detail as follows.

1 is an exploded perspective view of the auxiliary lock for the door of the present invention.

1 is an auxiliary lock for a door, and 2 is a casing body. Outside the casing body 2, that is, a plurality of fixing jaw portion (2a) having a rectangular hole is formed protrudingly formed in contact with the locking ring (not shown), the casing body 2 is formed It is formed to be sealed, and the upper surface of the sealed casing body 2 is formed with a hole 2c extending into the casing body 2, and the projection 3 having the same size as this hole 2b is casing The guide groove 3a is formed by being formed long in the sieve 2 in the longitudinal direction.

It goes without saying that the part in contact with the locking ring (not shown) is not necessarily a square hole.

In addition, a guide groove 3a formed therein by being connected to the hole 2b formed integrally with the fixing jaw portion 2a formed outside the casing body 2 and the hole 2c formed on the upper surface of the casing body 2. A ring portion (4a) formed integrally with the locking clamp (4) in sliding contact along the sliding sliding reciprocating from the outside of the casing body 2 to the inside, the ring portion (4a) is the difference of the same height as the rotating rod (6) And a stepped portion 4b having a stepped shape, and the first stopper 7 and the second stopper 8 protrude from both sides (from the starting point of the stepped portion) of the stepped portion 4b, and at the same time A fixing piece 9 having a ring 9a formed above the stepped portion 4b (starting point and protruding portion of the stepped portion) of the looped portion 4a formed integrally with 4) is provided by welding or screw, The front center part of the casing body 2 which the inner and outer parts communicate with the center part of the substantially longitudinal direction of the meat part 4a in which (4) was integrally formed. A rotary rod 6 for fitting a rotary motion into a linear motion is fitted to one end of the lever 5 which is drilled and exposed, and the rotary rod 6 has one end. The stepped portion 6a is formed in the spring 10 in the ring 9a formed on the fixing piece 9 elastically, and the other end forming the long flat surface of the rotating rod 6 is formed inside and outside. A semicircular rotating piece 6b is provided to be fitted in the front center of the casing body 2 and exposed to the lever 5 extending therefrom and fitted to the rotating shaft 11 provided in the casing body 2. The first locking device 11 in which the cam 11a is formed coaxially with the upper rotating piece 6b is provided.

In addition, the second locking device 12 formed at a predetermined distance on the axis line of the first locking device 11 and the rotating piece 6b is approximately The support 13 is formed in a shape of a magnet, and the support 13 has a hole 11a of the same height as the axis line of the first locking device 11 and the rotating piece 6b. Is formed to penetrate through the hole (11a) of the support 13, the locking rod (15) is provided with a stepped portion (15a) and a band groove (15b) in a predetermined position.

For example, the first elastic means 16 having elastic force is installed at the stepped portion 15a formed at the front end of the lock rod 15, and the other end thereof has a locking tool 14 having a tapered shape. And the lock rod 15 is inserted into the hole 11a formed in the support 13 by passing through the hole formed in the casing body 2, and one end of the support 13 (casing body). (2) is formed through the female thread through which the ball-shaped locking body 19 is inserted into the belt groove (15b) and the adjusting bolt 17 for adjusting the locking force of the locking body 19 is screwed into A hole 12a is formed, and the second elastic means 18 is elastically provided between the ball-shaped locking body 19 provided in the hole 12a and the adjustment bolt 17.

In the figure, reference numeral 20 is a release pin for preventing the separation of the rotating rod, 21 is a bushing for helping the linear movement of the lock rod, 22 is a cap body pin.

Referring to the operation and effects of the present invention configured as described above are as follows.

First, the case of locking the door to which the auxiliary lock 1 for this invention is attached is demonstrated.

When the user locks out using a key of a predetermined shape from outside, that is, a key corresponding to the lock of the present invention, or locks by rotating a lever inside, the user can rotate the external key (not shown) or The rotary rod 6 is rotated by the rotation operation of the lever 5, and the rotational force of the rotary rod 6 is transmitted to the ring portion 4a formed integrally with the clamp 4, so that the rotary movement is a vertical movement. As a result, the clamp 4 passes through the inner space of the several fixing jaw portions 2a, whereby the lock 1 is locked.

At this time, the stepped portion 6c of the semi-circular rotating piece 6b formed at one end of the rotating rod 6 and the locking rod 15 of the second locking device 12 are driven by the elastic force of the first elastic means 16. It is always in contact.

That is, the stepped portion 4b of the ring portion 4a is loosely fitted in the elongated guide groove 3a formed in the longitudinal direction by the protrusion 3 formed in the substantially center portion of the casing body 2 blocked from the outside. And up and down linear motion (refer to FIG. 2).

As shown in FIG. 2, the fixing piece 9, which is indicated by an imaginary line, is lowered to change to a solid line state, and the clamp 4 connected thereto is lowered and locked.

At this time, the stepped portion 6c of the semi-circular rotating piece 6b formed at one end of the rotating rod 6 and the locking rod 15 of the second locking device 12 are applied to the elastic force of the first elastic means 16. It always comes in contact.

Next, the operation of opening the lock 1 of the present invention locked as described above will be described.

When the unlock operation is performed in the opposite direction to the lock time using the same key as the lock time or the lever 5 in the actual state, a semicircular rotating piece formed on the rotation rod 6 fixedly connected to the lever 5 ( 6b) and the first locking device 11 rotate simultaneously.

This process will be described with reference to FIGS. 3 (a) (b) (c).

As described above in the locked state as shown in FIG. 3A, that is, the stepped portion 6a at the end of the rotating rod 6 is caught by the second stopper 8 to regulate the unauthorized rotation of the rotating rod 6. When the lever 5 is rotated in the direction of the arrow, the rotary rod 6 rotates by this rotational movement, and accordingly the tension is elastically installed between the end portion 6a of the rotary rod 6 and the ring 9a. A lock rod provided in a direction opposite to the rotating piece 6b formed on the other side of the rotating rod 6 and the first locking device 11 while pulling the stepped portion 4b while the spring 10 is extended. (15) moves along the cam surface (11a) formed integrally with the first locking device (11) and at the same time retreats back under the elastic force of the first elastic means (16), and immediately the first locking means (11) ), The rotating piece 6b provided coaxially rotates.

This state is shown in FIG. 3b.

If the lever 5 is continuously rotated in this state, the spring 10 is retracted from the maximum state and is changed to the state (c) of FIG. 3, wherein the spring ( The tension force of 10) is added so that the lever 5 is changed from the locked state to the unlocked state by itself proceeding to the state of FIG. 3 (c) even without applying an external force (rotation force). Accordingly, the user can open the door.

In other words, the stepped portion 4b is raised to open between the fixed jaw portions 2a to unlock the door body and the door holder (not shown).

That is, the lock 4 can freely open the door by separating the door lock portion (not shown).

Then, the stepped portion 6a formed at one end of the rotation rod 6 is caught by the first stopper 7 of the stepped portion 4b, thereby preventing any arbitrary rotation of the rotary rod 6.

That is, the point of the third degree (a) P _3, and in a state through the point P ₂ of the third degree (b) change at a time to the state of point P ₁ the third degree (c) is in an unlocked state.

In this way, when the dismantled lock auxiliary lock 1 is re-locked, the upper part of the lock 4 protruding from the upper part of the casing body 2 is locked.

Moreover, it can lock by the auxiliary lock which is not shown in figure.

At this time, the lock rod (15) formed integrally with the tapered lock (14) installed to protrude outside the casing body (2) of the auxiliary lock (1) is always rotated by the first elastic means (16). It is formed so as to extend toward the rotating piece 6b integrally formed in ().

In addition, as shown in an enlarged view of the main portion of the second locking device of the auxiliary lock of the present invention of Fig. 4, when the tapered lock 14 is pulled in the direction of the arrow, the second locking device 12 is provided. The locking rod 15 is retracted by receiving the elasticity of the first elastic means 16, and at the same time, the ball-shaped locking body 19 provided in the hole 12a formed with the female thread formed at one end of the support 13 is When the elastic force of the second elastic means 18 moves toward the lock rod 15, the lock rod 15 is operated by contacting the band groove 15b formed at a predetermined position of the lock rod 15. Stop

At this time, since the lock rod 15 is separated from the rotation rod 6 and the first locking device 11, the rotational movement of the rotation rod 6 and the first locking device 11 is smooth.

On the contrary, when the locking rod 15 is lightly pushed toward the casing body 2, the locking rod 15 is provided with an elastic force of the first elastic means 16 on the stepped portion 6c of the semicircular rotating piece 6b. It comes in contact with and becomes locked state.

As described above, the auxiliary lock for the door mounted on the door has the following effects.

First, since the locking device adopted in the present invention is exposed to the outside, the lock / unlock state of the auxiliary lock can be visually checked at any position far away from the door in the room regardless of the direction of the current lever position.

Secondly, since the clasp is formed to protrude to the outside, it can be quickly locked by the so-called 'one-touch' by performing a lock operation as if tapping with a palm from the top of the clasp.

Third, it is impossible to unlock the auxiliary lock without a key from the outside.

For example, one end of the lock rod is always caught in the stepped portion of the rotating piece formed at one end of the rotating rod for converting the rotational movement into the linear movement by the lever rotation operation. Can't open with key

That is, theft can be prevented in advance because it cannot be opened using a rope or a fine looped wire through a newspaper or a milk inlet.

Claims (1)

A plurality of fixing jaw portion (2a) formed on one side of the casing body (2), the projection jaw (3) formed in the longitudinal direction therein, the catch (4) protruding outward, and integrally formed with the catch (4) The stepped portion 4b having the same height difference with the hook portion 4a and the rotating rod 6 rotated by the lever 5 on the center side of the hook portion 4a is formed. 4b) first and second stoppers 7 and 8 formed at both sides, a lock 14 formed to extend with the rotary rod 6, and a ring portion 4a integrally formed with the catch 4; The ring (9a) of the fixing piece (9) is installed in the approximately center side of the rotating rod (6) formed with a stepped portion (6a) is connected to the spring 10 by the rotation operation of the lever (5) A semi-circular rotating piece 6b having a locking jaw 6c formed at one end of the rotary rod 6 in the door lock, in which the rod 6 and the fixing piece 9 interlock with each other to lock and unlock. ) And a first locking device 11 having a semicircular rotating piece 6b and a cam 11a provided coaxially, and a predetermined lock on an axis line of the first locking device 11 and the rotating piece 6b. The second locking device 12 formed at a distance, the second locking device 12 has a stepped portion 15a and a locking rod 15 having a band groove 15b at a predetermined position, and the locking mechanism 14 ) End portion is tapered, the first elastic means 16 is elastically installed in the substantially intermediate portion, the ball-shaped locking body 19 is inserted into the belt groove (15b) and the locking body (19) For the door, characterized in that it is composed of an adjustment bolt 17 for adjusting the locking force of the c) and a second elastic means 18 elastically installed between the locking body 19 and the adjustment bolt 17. Secondary lock.