KR20000018224U - Unlocking device for door lock - Google Patents

Abstract

The present invention mainly relates to a door unlocking device installed on the front door, the left and right fixing pieces (26) and (28) of the thumb turn pipe (22) connected to the thumb turn (38) of the inner handle (8) through which the spindle washer (18) The locking bolt 40 of the box assembly 4 is released by protruding the locking piece 40 into the shaft hole 20 of the shaft hole 20, and the dead bolt 42 of the box assembly 4 is fixed tube. By installing the tension spring 48 between the 46 and the spring to be elastically supported in the unlocking direction, the lock is rotated by the rotation of the inner knob 8 without the need to operate the thumb turn even when the door is opened or closed in the room. By opening the door will be made more quickly and easily.

Description

UNLOCKING DEVICE FOR DOOR LOCK}

The present invention relates to a lock release device of the door lock for the door, and in particular to the lock hatch in the room to be made more quickly and easily.

In general, the door lock for the front door is composed of a latch bolt of the box assembly, which is closed by the rotation of the inner and outer handles, and a dead bolt that is locked or released by a key turn of the outer handle and a thumb turn of the inner handle. do.

In addition, the spindles of the inner and outer handles are respectively engaged with the spindle caps before and after the box assembly through the left and right coupling pieces at the ends thereof, so that the latch bolt is retracted by the rotation of the spindle caps to open the door, and the keys of the outer handles The long angular axis connected to the bundle is penetrated through the hub of the box assembly and combined with the square hole of the thumbton washer fixed at the end of the thumbturn pipe of the one-handed handle, so that the dead bolt is moved forward or backward by the forward rotation of the hub through the key bundle or the thumbton. Configured to be locked and unlocked.

In the above, the thumb knob of the inner handle is to allow the left and right fixing pieces of the end to protrude inward through the shaft hole formed in the center of the spindle washer and to connect and connect the thumb washer to the left and right fixing pieces of the thumb pipe protruding inwardly. There is no fear of disturbing the external handle as well as the rotation of the spindle through the inner handle or the rotation of the thumbpipe through the thumb, but the associated operation is not expected at all.

Therefore, in order to prevent the intrusion from the outside after the door is closed, if you want to open the door in the room after the lock using the key or the thumb in the room, the knob after rotating the thumb turn to unlock the dead bolt It is difficult to distinguish the latch bolt through the rotation of the latch bolt, and it is difficult to distinguish the locking or unlocking position only by the position of the thumbton, and it is expected to be locked to prevent intrusion from the outside when the door is opened. In many cases, it is difficult to open the door due to confusion with the presence or absence of the unlocking of the auxiliary locking device, which is installed in the front door double.

In order to solve the above-mentioned problems, the present invention is to open and close the door by rotating the inner handle for releasing the latch bolt without manipulating the thumb bolt in the locked state by the dead bolt. The purpose is to make it faster and easier.

In order to achieve the above object, the present invention protrudes the engaging piece in the shaft hole of the spindle and the shaft through which the left and right fixing pieces of the thumb turn pipe pass through the thumb turn in the locked state without interfering with each other during rotation of the spindle or rotation of the thumb pipe. When one side fixing piece of the pipe is adjacent to the locking piece of the spindle washer and the latch bolt is engaged by the rotation of the handle, the locking piece is released by causing the one side fixing piece of the thumbton to be caught and rotated together.

In addition, the present invention requires a little more force to allow the thumb pipe to rotate together by the locking piece of the spindle and the shaft when the locked dead bolt is rotated by the handle, which fixes the dead bolt and the dead bolt to guide the dead bolt. If the tension spring is elastically installed between and the handle can be made more flexible rotation.

1: partially exploded perspective view of the present invention

2: Front view of the present invention box assembly

3: Perspective view of the spindle washer used in the present invention

4 is an exploded perspective view of the main part of the present invention

Figure 5 is a partial side view of the inner handle showing the locking release partner of the present invention

Figure 6 is a side configuration diagram of a portion of the inner handle showing the locking relative of the present invention

7: showing the release through the rotation of the inner handle in the locked state of the present invention

Some side view

<Description of the code | symbol about the principal part of drawing>

(4)-Box Assay (6)-Hub

(8) (10)-Handle (12) (13)-Spindle

(14) (16)-Joint (18) (19)-Spindle Washer

(20)-Soccer (22)-Sumton Pipe

(24)-Spindle Cap (26) (28)-Lock

(30)-Square Ball (32)-Sumton Washer

(34)-angular axis (36)-square ball

(38)-Thumb turn (40)-Jam

(42)-Dead Bolt (44)-Let Bolt

(46)-Parent

1 is a partial exploded perspective view of a door lock to which the present invention is installed, the door lock having a box assembly 4 installed inside the door in between, and having a hub 6 of the box assembly 4 as a central axis; It consists of the handles 8 and 10 assembled from the outside.

In the above, the inner handle 8 is coupled to the spindle washer 18 to the upper and lower connecting pieces 14, 16 formed at the end of the spindle 12 to support the thumb pipe 22 through the shaft hole 20 in the center thereof. Guide the box assembly (4) and the inner spindle cap (24) rotating the hub (6) with the shaft to operate the latch bolt 26, the shaft hole 20 of the spindle washer (18) The left and right fixing pieces 26 and 28 of the end portion of the thumb pipe 22 protruding through the coupling are configured to couple the thumb washer 32 formed with a square hole 30.

Outer handle 10 is also coupled to the pinch through the shaft hole 20 in the center coupled to the spindle (12) connecting the upper and lower connecting pieces (15) and (17) formed at the end of the spindle 12, 34 To support the guide, the box assembly (4) and the hub (6) combined with the spindle cam to rotate the shaft to actuate the latch bolt (26) of the box assembly (4) at this time, The connected long angular shaft 34 penetrates through the square hole 36 of the hub 6 and engages with the square hole 30 formed in the thumb turner 32 of the inner handle 8 so that the thumb turn of the inner handle 8 is provided. 38) or the dead bolt 40 is operated by the rotation of the hub (6) through the key bundle of the outer handle (10).

Figure 3 is a perspective view of the spindle washer 18 used in the present invention, the inner handle of the spindle washer 18, 19 coupled to the spindle 12, 13 of the inner and outer grip (8) and (10) ( The spindle washer 18 of 8) protrudes the engaging piece 40 in the central shaft hole 20 so that the left and right fixing pieces 26 and 28 of the end of the thumb pipe 22 are sandwiched by the engaging piece 40. It protrudes inward so that the thumb-turn washer 32 is fixed.

In the above, the position of the engaging piece 40 protruding from the shaft hole 20 of the spindle washer 18 is left and right of the thumb pipe 22 in the unlocked state of the dead bolt 42 installed in the box assembly 4. The fixing pieces 26 and 28 are positioned at equal intervals with the locking pieces 40 interposed therebetween, and one side of the fixing pieces 26 is locked when the thumb pipe 22 is rotated by the locking of the dead bolt 42. It should be formed in a position that can be adjacent to (40).

FIG. 2 is a front view of the box assembly, wherein the box assembly 4 is connected to a key bundle of the thumb turn 38 and the outer handle 10 of the inner handle 8 through an elongated angular axis 34. The dead bolt 42 sliding to the left and right by the rotation of 6) and the latch bolt 44 to be retracted by the front and rear spindle cam 34 to rotate the hub 6 in the shaft, the dead bolt 42 Is installed to connect the tension spring (48) between the fixed pipe 46, which serves as a guide means and the other side of the fixed pipe 46 between the dead bolt 42 to be elastically supported in the unlocking direction.

Reference numeral 50 is a protruding spring of the latch bolt 44, 52 is a mounting plate, 54 is a connector, 56 is a screw, 58 is a plate, 60 is a plate, The screw tube 64 is a connector and 66 and 68 are spirals.

The present invention has a point of protruding the engaging piece 40 in the shaft hole 20 of the spindle washer 18 coupled to the spindle 12 end of the inner handle 8, compared with the conventional door lock for the front door, locking means The dead bolt 42 is installed between the fixed pipe 46 and the recognizing spring 48 to be supported so as to be elastically supported in the locking release direction. Such a configuration can be simply applied to the conventional door lock for the entrance. have.

In addition, the present invention is sandwiched between the box assembly (4) that is inserted into the inside of the door as in the past, the plate 60 is coupled to the outer handle 10 is assembled and fixed, the mounting plate 52 from the inside of the door It is in close contact with the screw tube 62 of the plate 60 and the mounting plate 52 of the plate 60 exposed to the front of the assembly (4) and fixed with a screw 56, the mounting plate 52 The assembly is fixed by screwing to the spiral portion 66 by using the spiral portion 68 formed on the plate 58 of the inner handle 8.

In the assembly and use of the present invention, the latching of the latch bolt 44 through the rotation of the outer handle 10 and the locking or unlocking operation of the dead bolt 42 through the key 38 from the outside or the thumb turn 38 in the room are conventional. Will be done together.

In addition, even when the latch bolt 44 is caught by the inner handle 8, as shown in FIG. 5, in the state where the latch bolt 44 is engaged, the locking piece 40 protruding from the shaft hole 20 of the spindle washer 18 is formed. Since the locking piece 40 has a rotation radius of up to about 180 ° at the equal position between the left and right fixing pieces 26 and 28 of the thumb pipe 22 passing through the shaft hole 20, the door is opened. There is no fear of obstruction at all during the rotation of the inner handle (8) for the door opening and closing operation is made normally.

In addition, in order to prevent the intrusion from the outside, the thumb pipe 22 as shown in Fig. 6 during the locking operation of the thumb bolt 38 of the inner handle 8 or the keyed bolt of the outer handle 10 as well. Only one side fixing piece 26 of the left and right fixing pieces 26 and 28 of the end is positioned adjacent to the locking piece 40 of the spindle washer 18, so that it does not receive any interference with each other. .

However, the present invention does not use the thumb turn 38 when the door is to be opened indoors in the locked state of the dead bolt 42 using the thumb turn 38 of the inner handle 8 or the key bundle of the outer handle 10. Instead, the lock is released by simply rotating the inner grip 8.

That is, as shown in FIG. 7, the one side fixing piece 26 at the end of the thumb pipe 22 is positioned near the locking piece 40 of the spindle washer 18 by the lock by the dead bolt 42 to open the door. The locking piece 40 of the spindle washer 18 which rotates together with the handle 8 comes into contact with one side fixing piece 26 of the thumb turn pipe 22 to rotate the thumb turn 38, thereby locking the dead bolt 42. This is to be terminated.

In addition, the dead bolt 42 retreating due to the rotation of the thumb pipe 22 by the locking piece 40 of the spindle and the shaft 18 by the tension spring 48 elastically installed between the fixed pipe 46. Retracts quickly and the lock is released before the latch bolt 44 is caught.

As described above, in the present invention, when the door is to be opened in the room at the time of locking by the dead bolt 42, the dead bolt 42 may rotate during the rotation of the inner handle 8 to stop the latch bolt 44. Since the lock is released is a useful design that can be opened more quickly and easily in the room.

Claims (2)

Inner and outer handles (8) and (10) are combined with a box assembly (4) and plates (58) (60), each of which comprises a dead bolt (42) and a latch bolt (44). The left and right fixing pieces 26 and 28 formed at the end of the thumb pipe 22 pass through the shaft hole 20 of the spindle washer 18 coupled to the vertical connecting pieces 14 and 16 of the spindle 12 to the ends thereof. In the door lock for the front door configured by fastening the thumb washer (32), protruding the engaging piece (40) in the shaft hole 20 of the spindle washer (18) fixed to the spindle 12 of the inner handle (8) When the dead bolt 42 is locked, the one side fixing piece 26 of the thumb pipe 22 is positioned near the catching piece 40 so as to catch the catching piece 40 when the inner handle 8 is rotated. The unlocking device of the door lock for the front door, characterized in that the lock is released by rotating together. 2. The lock releasing device for the door lock according to claim 1, wherein the dead bolt (42) of the box assembly (4) is formed by elastically installing a tension spring (48) between the fixed pipe (46).