KR20040061660A - Apparatus for double latch in door-lock - Google Patents

Abstract

PURPOSE: An apparatus for a double latch in door-lock is provided to improve security by providing a double locking function. CONSTITUTION: Operation pin inserting holes(12a) are formed on both sides of the circumference of a through-hole(11) at constant intervals. A switching display hole(13) is formed on an upper portion of the through-hole(11) to display an open and closed status. A receiving hole(15) is formed between sidewalls(14) of a lower portion of the through hole(11). A knob(20) is provided with operation pins(22a,22b) inserted into the operation pin inserting holes(12a) and a shaft inserting hole(21). A rotator(30) is fixed by a ring clip(34) at an inner side of an inner body(10). A fixed plate(40) is provided with a fixing hole(42), an inserting hole(41), a moving hole(43), and a limit switch(44). A moving plate(50) is provided with a hole(53), a latch hole(52), a moving plate hole(51), upper and lower cam holes(54a,54b), and a pressing flap(56).

Description

Double lock on door lock {APPARATUS FOR DOUBLE LATCH IN DOOR-LOCK}

The present invention relates to a double locking device that enables double locking and releasing in an indoor door of an office or a house. In particular, when an insider of a room does not want anyone to enter the outside, a double locking function is provided so that an outsider can make an emergency. The doors cannot be opened or closed by normal methods such as key cylinder, password button operation, remote control operation, etc., so that they cannot enter the room, and must be released only by artificial manipulation from inside the room. One and the other operation pins formed on the knob of the double locking device, the movable plate is moved up and down to lock the latches of the latches while controlling the operation of the handle, and the pressing jaw formed to one side of the movable plate is the limit switch. By pressing, the power supply is cut off and emergency key cylinder, password button operation, remote control The present invention relates to a double lock device for a door lock that cannot be opened or closed by any operation from the outside by controlling cone operation or the like and making the handle into a no-load state.

In general, double locking means locking or disabling simultaneously by mechanical and electronic operation.

The double lock is a function that can only be artificially operated by people inside the room, and using this function is an ordinary means for entering the room by external people such as emergency key cylinder, password button operation, remote control operation, etc. It becomes impossible and can only be released by manipulation of the room.

In general, the locking device is installed in the door of the home or office is a lock having a half moon clasp to be unlocked by the rotation of the handle to open and close the door, and an auxiliary lock having a lock clasp that is installed separately from the lock double lock In order to double lock the door, the auxiliary lock attached separately must be operated separately to lock it.

In this case, however, if only the key is provided, the lock and the auxiliary lock can be easily opened from outside and enter the room.

In order to solve the above problems and improve the security, a lock device configured to operate electronically and mechanically as an integral lock device having a locking device having a half moon clasp and a locking clasp has been used. If the person has an auxiliary means such as an emergency key, an encryption button, a remote control even if the lock is made from the inside, there is a problem that the lock device can be easily released from the outside.

The present invention has been made to solve the conventional problems as described above, and provides a double lock function when the insider of the room does not want anyone to enter the outside, so that the outsider is normal, such as emergency key cylinder, button operation, remote control operation, etc. It also prevents entry and exit of the door by means of a method, and provides a double locking device for door lock that further enhances the security so that it can be released only by artificial manipulation from inside the room. It would be.

1 is a perspective view showing the double locking device of the present invention separated from the inner body.

Figure 2 is a state of the rear lock coupled to the inner body of the present invention as seen from the rear of the inner body.

Figure 3 is a state seen from the rear of the inner body in a state of removing the double locking device of the present invention.

Figure 4a is a state in which the knob is installed in the inner body in the double lock function of the present invention as viewed from the indoor side.

Figure 4b is a state seen from the inner body rear in the double locking function of the present invention.

Figure 5a is a state in which the knob is installed in the inner body in the double lock function of the present invention as viewed from the indoor side.

Figure 5b is a state seen from the inner body rear in the double locking function of the present invention.

Figure 6a is a structural diagram of a moving plate of the present invention.

Figure 6b is a state in which the movable plate is fitted to the rotating shaft of the present invention.

Figure 6c is a state in which the other operation pin of Figure 6b is rotated from the other end of the lower cam hole to one side upper end.

Figure 6d is a state in which the actuating pin of Figure 6c is moved to the moving plate in parallel with the central axis of the rotating shaft.

Figure 7a is a state in which the knob is installed on the inner body in the double lock function of the present invention as viewed from the indoor side.

Figure 7b is a state seen from the inner body rear in the double locking function of the present invention.

Explanation of symbols on the main parts of the drawings

10 Inner Body 11 Through Hole

12a, 12b Operating pin insertion hole 13 Opening and closing indication hole

13a transparent body 13b open / close display board

13c pinhole 14 bulkhead

15 Settlement groove 16 Low mounting lock

16a, 17a Base Jaw 17 High Slip-on Bar

18 Threaded Rod 19 Battery Storage

20 knob 21 shaft hole

22a, 22b day, other working pin

30 Rotator 31 Rotator Shaft

32 Operating Rod Fitting 33 Vertical Plane

34 ring clips

40 Mounting Plate 41 Mounting Hole

42 fixing hole 43 moving hole

44 Limit switch 46 Fixing member

50 Moving Plate 51 Moving Plate Hole

52 Jam Hole 52a Jam Jaw

53 long hole 54a, 54b upper and lower cam hole

56 Presser Bar 57 Bracket

58 Hooks 60 Elastic Springs

70 Latch 71 Retaining Jaw

80 handles

Figure 1 is a perspective view showing the double locking device of the present invention separated from the inner body, Figure 2 is a state seen from the rear of the inner body by combining the double locking device of the present invention to the inner body, Figure 3 is a double lock of the present invention The state diagram of the inner body with the device removed from the rear,

In the double locking device configured to be coupled to the inner body 10 is installed inside the door,

A through hole 11 is formed at an appropriate position, and actuating pin fitting holes 12a and 12b are formed at both sides of the circumferential portion at appropriate intervals in the through hole 11, and an upper portion of the through hole 11 is formed. An opening and closing display hole 13 indicating an opening and closing display is formed in the lower portion, and a seating hole 15 is formed in the lower portion of the partition wall 14, and the support jaw 16a is formed at the periphery of the through hole 11 ( An inner body 10 having a low fitting fixing bar 16 and a high fitting fixing rod 17 having a 17a),

One that is fitted to the operation pin fitting holes 12a, 12b formed in the inner body 10, the other operation pins 22a, 22b are formed on both sides, the shaft fitting hole 21 is formed inward Combined with the knob 20,

Rotating shaft 31 having an operating rod fitting groove 32 and left and right vertical surfaces 33 in the shaft fitting hole 21 formed in the knob 20 and the through hole 11 formed in the inner body 10. Is inserted into the rotating body 30 is fixed to the ring clip 34 in the inner body 10, and

The fixing hole 42 which is inserted into the low end fitting rod 16 formed on the inner body 10 and fixed by the fixing member 46 is formed in upper and lower portions, and the rotating body shaft 31 is fitted inward. At the same time as the fitting hole 41 is formed, the one or the other operation pins 22a and 22b is inserted into the circumference of the fitting hole 41 to form a moving hole 43 which is moved, and the limit switch 44 to one side. Fixed plate 40 formed with),

The long hole 53 is inserted into the base jaw 17a of the high-stage fitting rod 17 formed in the inner body 10 is formed in the upper and lower portions, the locking jaw in which the rotating shaft 31 is fitted A locking hole 52 and a movable plate hole 51 having a 52a are formed, and one and the other operation pins 22a and 22b are fitted to both circumferential portions of the movable plate hole 51 to move up and down. The upper and lower cam holes 54a and 54b are formed, and the pressing jaw 56 pressing the limit switch 44 is formed at one side, and the handle 80 is seated at the seating hole 15 at the lower side. A movable plate 50 composed of a bracket 57 having a locking piece 58 for locking and releasing the latch 70 configured to be coupled thereto;

One side across the lower cam hole (54b) formed in the movable plate 50 is fitted to the screw coupling rod 18, the other side is characterized in that the coupling is composed of an elastic spring 60 is supported by the partition 14 is coupled. .

On the other hand, the transparent body 13a is fitted into the opening and closing display hole 13 formed in the upper portion of the through hole 11 formed in the inner body 10, and the opening and closing display panel 13b is positioned in the transparent body 13a. In addition, the opening and closing display panel 13b is a pin hole 13c is fitted into the operation pin 22b of one side which is fitted into the operation pin fitting hole 12a.

In addition, the long hole 53 formed in the movable plate 50 is supported by the supporting jaw 17a formed in the high fastening bar 17 to be slid up and down.

As described above, the double locking device coupled to the center of the inner body 10 releases the latch 70 operated by the handle 80 coupled to the lower portion of the inner body 10 to double lock and double lock functions. Will be

On the other hand, the upper portion of the inner body 10 is formed with a battery storage unit 19, the battery (not shown) for supplying power for operating the lock box (not shown) installed inside the door It is stored.

The present invention configured as described above is installed inside the door to provide a double locking function of the double locking device to allow the outsider to enter the room by opening and closing the door in the normal way, such as emergency key cylinder, button operation, remote control operation. To be released only by artificial manipulation by a person inside,

Referring to the accompanying drawings, examples of the use of the present invention will be described the operation, effect as follows.

(Dual Lock Function)

Figure 4a is a state in which the knob 20 is installed in the inner body 10 in the double lock function state as seen from the interior side, Figure 4b is a state seen from the rear of the inner body 10 in the double lock function state. As shown,

The present invention, which is configured as shown in FIG. 2, is operated to be in the state of the double locking function, and as shown in FIG. The opening / closing display panel 13b is displayed in the “close” position in the opening / closing display hole 13, and the rotating body 30 is maintained in a horizontal state.

The opening / closing display panel 13b is fitted to one side operation pin 22a of the knob 20 and coupled to each other, and displays “Close” or “Open” by the rotation of the knob 20.

Looking at the rear of the inner body 10 in the above state as shown in Figure 4b the one side lower end of the upper cam hole 54a formed in the movable plate 50 and one side upper end of the lower cam hole 54b as shown in Figure 4b Each of the operation pins 22a and 22b formed in the fitting plate is positioned, and the pressing jaw 56 formed to one side of the movable plate 50 is pressing and holding the limit switch 44 attached to the fixed plate 40. Becomes

By rotating the knob 20 in this way, the moving plate 50 is moved downward, which is caused by the rotation of the knob 20, the other side operation pins (22a) (22b) moving plate 50 Moving along the upper and lower cam holes (54a, 54b) formed in the plate 50 is moved downward.

As described above, the locking piece 58 formed at the lower portion of the movable plate 50 moved downward secures the fixing jaw 71 of the latch 70 so that the handle 80 installed in the interior of the door is completely fixed. It is in the double lock function that cannot open and close the door.

In addition, the pressing jaw 56 formed on one side of the movable plate 50 is in a state of pressing and holding the limit switch 44 attached to the fixed plate 40, and a battery housed in the upper portion of the inner body 10 (not shown). Power supply is cut off from the encryption keypad device (not shown) installed outside the door to control the emergency key cylinder (not shown), password button operation (not shown), remote control operation (not shown), etc. By turning the operation of (not shown) into a no-load state and idling, the door cannot be opened or closed by any operation from the outside of the door.

(Dual Lock Unlocked State)

Figure 5a shows a state in which the knob 20 of the double lock release state is installed in the inner body 10, and viewed from the inside, Figure 5b shows a state seen from the rear of the inner body 10 in the double lock release state; As shown,

As shown in FIG. 5A, in the dual locking release state, the opening / closing display plate 13b is displayed in the “open” position in the opening / closing display hole 13 located above the knob 20, and the rotating body 30 is horizontal. Maintaining state

Looking at the rear of the inner body 10 in the above state as shown in Figure 5b and the engaging piece 58 formed in the lower portion of the movable plate 50 is spaced apart from the fixing jaw 71 of the latch 70 and At the same time, the rotary shaft 31 is located inside the central portion of the movable plate hole 51 formed in the central portion of the movable plate 50, and one side lower end of the upper cam hole 54a formed in the movable plate 50 and the lower cam hole 54b. Each of the operating pins 22a and 22b formed on the knob 20 is inserted into the upper end of the one side, and the elastic spring 60 supports the other operating pin 22b.

Meanwhile, as shown in FIG. 6A, the movable plate 50 has one lower end portion of the upper cam hole 54a and one upper end portion of the lower cam hole 54b on the central axis Pc of the movable plate hole 51 and the horizontal line. The upper side of the upper cam hole 54a is formed at a distance farther from the central axis Pc of the movable plate hole 51 than the lower side of the other side of the lower cam hole 54b.

Therefore, as shown in FIG. 6B, the rotating shaft 31 and the one and the other operating pins 22a and 22b positioned in the center of the movable plate hole 51 form a vertical state, and the movable plate hole 51 There is a slight gap between the central axis Pc and the central axis Rc of the rotating body shaft 31. As shown in FIG. 6C, one and the other operation pins 22a and 22b are rotated by the rotation of the knob 20. ) Is rotated along the upper and lower cam holes (54a, 54b) while the other operation pin (22b) is rotated without any resistance to one upper end of the lower cam hole (54b), the other operation pin (22b) is the movable plate 50 By pushing up the movable plate 50 at one side upper end position of the lower cam hole 54b of FIG. 6), the central axis Rc of the rotating body 30 and the central axis Pc of the movable plate hole 51 as shown in FIG. 6D. ) Is matched and the moving plate 50 is moved upward.

At this time, the elastic spring 60 supporting the other operation pin 22b is applied to the other operation pin 22b so as to be easily rotated even with a small force when the knob 20 is rotated. .

As described above, in the state in which the central axis Rc of the rotating body shaft 31 and the central axis Pc of the moving plate hole 51 coincide with each other, the engaging piece 58 formed on the lower portion of the moving plate 50 has an inner body. It is spaced apart from the fixing jaw 71 of the latch 70 formed in the lower portion of the (10) it is possible to freely rotate the handle 80 and the door opening and closing.

On the other hand, the pressing jaw 56 formed on one side of the movable plate 50 is kept in a state away from the limit switch 44 attached to the fixed plate 40, the upper portion of the inner body 10 Power supply is continuously maintained from the stored battery to an encryption keypad device (not shown) installed outside of the door, thereby enabling the operation of the emergency key cylinder, the password button, and the remote controller.

(Dual lock function always released)

Figure 7a shows a state in which the knob 20 of the double lock function always released state is installed in the inner body 10, and seen from the interior side, Figure 7b is seen from the rear of the inner body 10 of the double lock function always released state. I showed the state,

As shown in FIG. 7A, in the double-lock function always released state, the opening / closing display plate 13b is displayed at the “Open” position in the opening / closing display hole 13 located above the knob 20, and the rotating body 30 is displayed. It is kept vertical.

Looking at the rear of the inner body 10 in the above state as shown in Figure 7b the vertical plane formed on both sides of the rotary shaft 31 located inside the central portion of the movable plate hole 51 in the same state as the double unlocking state. The locking jaw 52a formed at both sides of the locking hole 52 is locked to the rotating shaft 31 by being rotated 90 ° so that the 33 is rotated upward and downward.

Even when the moving plate 50 is moved by rotating the knob 20 in such a state, the locking jaw 52a is always locked to the rotating shaft 31 so that the moving plate 50 is not moved at all. The locking piece 58 formed on the bracket 57 is always spaced apart from the fixing jaw 71 of the latch 70 so that the double locking function is always released. The double locking function is released to always release the double locking function. It remains open.

As described above, the movable plate 50 is moved up and down by one and the other side operation pins 22a and 22b formed on the knob 20 constituting the double locking device of the present invention. By releasing the locking jaw 71 to control the operation of the handle 80 and at the same time the pressing jaw 56 formed to one side of the movable plate 50 presses and releases the limit switch 44 to supply power. By controlling the operation of the outer handle, the remote control and the emergency key cylinder by blocking the, the door can be opened and closed to meet the needs of the user.

As described above, the present invention relates to a double locking device that enables double locking and releasing in an indoor door of an office or a house. In particular, a double locking function is provided when an insider of the room does not want anyone to enter. It is impossible for an outsider to enter the room by making it impossible to open or close the door even in the normal way such as emergency key cylinder, password button operation, remote control operation, etc., so that it can be released only by artificial manipulation from inside the room. It is a double locking device that further improves security.

Claims (1)

In the double locking device configured to be coupled to the inner body 10 is installed inside the door, A through hole 11 is formed at an appropriate position, and actuating pin fitting holes 12a and 12b are formed at both sides of the circumferential portion at appropriate intervals in the through hole 11, and an upper portion of the through hole 11 is formed. An opening and closing display hole 13 indicating an opening and closing display is formed in the lower portion, and a seating hole 15 is formed in the lower portion of the partition wall 14, and the support jaw 16a is formed at the periphery of the through hole 11 ( An inner body 10 having a low fitting fixing bar 16 and a high fitting fixing rod 17 having a 17a), One that is fitted to the operation pin fitting holes 12a, 12b formed in the inner body 10, the other operation pins 22a, 22b are formed on both sides, the shaft fitting hole 21 is formed inward Combined with the knob 20, Rotating shaft 31 having an operating rod fitting groove 32 and left and right vertical surfaces 33 in the shaft fitting hole 21 formed in the knob 20 and the through hole 11 formed in the inner body 10. Is inserted into the rotating body 30 is fixed to the ring clip 34 in the inner body 10, and The fixing hole 42 which is inserted into the low end fitting rod 16 formed on the inner body 10 and fixed by the fixing member 46 is formed in upper and lower portions, and the rotating body shaft 31 is fitted inward. At the same time as the fitting hole 41 is formed, the one or the other operation pins 22a and 22b is inserted into the circumference of the fitting hole 41 to form a moving hole 43 which is moved, and the limit switch 44 to one side. Fixed plate 40 formed with), The long hole 53 is inserted into the base jaw 17a of the high-stage fitting rod 17 formed in the inner body 10 is formed in the upper and lower portions, the locking jaw in which the rotating shaft 31 is fitted A locking hole 52 and a movable plate hole 51 having a 52a are formed, and one and the other operation pins 22a and 22b are fitted to both circumferential portions of the movable plate hole 51 to move up and down. The upper and lower cam holes 54a and 54b are formed, and the pressing jaw 56 pressing the limit switch 44 is formed at one side, and the handle 80 is seated at the seating hole 15 at the lower side. A movable plate 50 composed of a bracket 57 having a locking piece 58 for locking and releasing the latch 70 configured to be coupled thereto; One side across the lower cam hole (54b) formed in the movable plate 50 is fitted to the screw coupling rod 18 and the other side is coupled to the elastic spring 60 is supported and coupled to the partition 14 Double lock on the door lock.