JP2003307067A - Bolt for child door, interlocked with lock retainer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To overcome problems such that a child door cannot be closed by being firmly fastened, on account of the absence of double doors which allow the fastening of the child door to be interlocked with a lock of a parent door and the absence of the firm fastening of the child door, which can be used by combination with a normal lock except a cremone lock, and such that all the ways of the present fastening of the child door also have trouble in strength and ease of use. <P>SOLUTION: The upper and lower fastening of the child door is interlocked with the lock of the parent door by being combined with a lock retainer for the lock of the parent door. In the fastening of the child door, the parent door cannot be locked when the child door is not fixed in a state in which upper and lower bolts of the child door recede, and the child door cannot be locked because of the possibility of the unfixing of the child door when the parent door is locked. The bolt for the child door, which is interlocked with the lock retainer, makes the child door fixed by fastening the child door firmly by operating a handle which is attached at a height for facilitating the operation of the child door, and makes the child door unfixed. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock that is a double door and is operated by interlocking the door lock with the door lock.

[0002]

2. Description of the Related Art There are two types of hardware for closing child doors with double doors: French drop, flush bolt, and Gremon tightening for child doors. The features and problems of each are explained. The French dropper is attached to the upper and lower ends of the child door. When the main door is closed, it cannot be operated. Open the main door and operate the French drop on the upper and lower ends. The merit is that it helps lock the parent door because it cannot be operated while it is locked. The disadvantage is that it is difficult to operate in a panic situation when opening the child door in an emergency,
If you forget to hang it and lock the parent door, the door will open just by pushing. The flash bolt is like a French drop automatic type, and when the main door is closed, the flash bolt of the child door sticks out to lock the child door. The advantage is that it helps lock the parent door like the French drop, the disadvantage is that the closed door rattles in the opening and closing direction due to the play of the flash bolt, and the strength is weak against opening and breaking. When the parent door is opened, the flash bolt is automatically released, and the child door opens just by pushing it, and the child door cannot be locked. Glemon tightening for child doors is similar to the present invention in that the rod bar is pushed up and down on the child doors by operating the handle and retracted, but the disadvantage is that it does not interlock with the parent door, so the Gremon tightening for child doors When the child door is tightened and the parent door is closed and locked, releasing the Gremon tightening for the child door opens it when the door is pushed while it is locked, which does not help the locking. If you do not use Gremon locks on the parent door, you cannot use Gremon tightening for child doors. Like the present invention, the advantage is that the upper and lower doors can be firmly locked by turning the handle at a position that is easy to operate. When tightening the child door other than the flash bolt, if you forget to tighten it and close the parent door and lock the parent door, there is a problem that the door will be opened just by pushing the door.

[0003]

To close and release a child door of a double door by only one operation of turning, pushing or pulling. It operates strongly with a small force, and the door is firmly tightened and fixed. It has great strength against opening and breaking. Do not lock the parent door when the child door is not closed. The lock on the parent door cannot be unlocked while it is locked. To solve all of the above at the same time.

[0004]

[Means for Solving the Problems] Turning a large handle,
By pushing and pulling, strong upper and lower bolts are projected above and below the sub-door, and by inserting it in the frame receiver, the sub-door is strongly locked, and the door can be locked and unlocked with one operation. By moving the receiving slider in conjunction with the handle that moves the up and down bolts, when the up and down bolts are retracted, the lock receiving hole is closed and the parent door cannot be locked. When the upper and lower bolts are protruding to lock the child door, a lock receiving hole is opened so that the parent door can be locked. While the parent door was locked, the dead bolt of the lock closed the receiving hole and the movement of the slider was stopped, making it impossible to release the tightness of the child door.

[0005]

DETAILED DESCRIPTION OF THE INVENTION A description will be given with reference to the drawings. FIG. 1 is a block diagram of a lock receiving interlocking child door bolt according to claim 1, wherein the child door is closed to lock the parent door, and the dead bolt (13) of the lock closes the receiving hole from the lock receiving hole (4). ) Slider receiving hole
(5) Indicates that you are in. When the handle is operated, the upper bolt (10) and the lower bolt (12) protrude above and below the child door to lock the child door, and at the same time the slider cam (7) closes the receiving hole and lifts the slider to lock the parent door. Can be locked. In this state, the lock bolt interlocking door door bolt cannot be moved because the dead bolt (13) blocks the receiving hole and blocks the movement of the slider. That is, the child door cannot be opened. By unlocking the lock on the parent door, the dead bolt can be retracted and operated, and the child door can be opened. Figure 2
FIG. 6 is a vertical cross-sectional view for explaining the movement of parts for each state of the lock receiving interlocking element door bolt. A is a drawing in which the upper and lower bolts are retracted and the receiving hole closing slider closes the lock receiving hole (4). In this state, the parent door cannot be locked. B is a diagram in which the upper and lower bolts are projected to unblock the lock receiving hole. Locking is possible in this state. C is locked. In this state, the receiving slider cannot be moved, the lock receiving interlocking child door bolt cannot be operated, and the child door cannot be opened. FIG. 3 is a split perspective view for explaining the movement of the receiving slider and the lock receiving hole of FIG. The lock is shown broken. A is the state of FIG. 2A and B is the state of FIG. 2B. FIG. 4 explains claim 3 in which the lock receiving hole (20) is opened and closed by a handle shaft cam (16) provided with a receiving hole closing member (17) assembled to the handle shaft. A is a view in which the lock receiving hole (20) is closed by the receiving hole closing, and B is an opened one. FIG. 5 is an explanatory view of claim 2 in which the receiving hole closing slider is replaced with the lock receiving base (22) and combined with the lock receiving base (21). A is a front perspective view of a combination of the lock receiving (22) and the lock receiving base (21), and the lock receiving hole (23) is in the lowered position, and the lock of the parent door cannot be locked at this position. B is a perspective view from the rear of A. By interlocking with the upper and lower bolts, the lock receiving hole is moved up and down to move the lock receiving hole position up and down, so that when the lock receiving hole is below, the parent door cannot be locked, and when it is raised, it can be locked. Since the lock receiving hole is not closed, the danger of pinching a finger is eliminated. The same effect can be obtained even if the lock receiving hole (4) of the lock receiving (2) according to claim 1 is opened up and down. FIG. 6 shows a modified example of the lock receiving interlocking element door bolt according to claim 1 in which the upper and lower rods are released by pushing to move the receiving hole closing slider.
Although the rod cam (8), the upper and lower rods (9) and (11), and the upper and lower bolts (10) and (12) are shown on the surface of the door in FIG. 1, they may be housed inside the door, and the handle (6) is Although it has a rotating structure, it can be moved in the same way with a structure that raises and lowers it up and down. The biggest feature of the lock receiving interlocking child door bolt is that the parent door cannot be locked when the upper and lower bolts of the child door are not protruding, and it can be locked only when the upper and lower bolts are protruding to lock the child door. While the parent door is locked, the lock receiving interlocking child door bolt cannot be operated and the child door cannot be opened. The one set is claim 1, and the deformation mechanism for interlocking the operation of the parent door and the child door is claims 2 and 3. By changing the handle shaft to a square or hexagonal cross-section, the handle shaft can be inserted in the handle bearing at different angles. By setting a play angle of around 40 ° to the rotation angle of the handle, the handle can always be oriented horizontally.

[0006]

EFFECTS OF THE INVENTION The lock receiving interlocking child door bolt is attached to the child door of the double door of the external turning door. There is always wind pressure around the outside of the building, and unless it is a metal item that can lock the door firmly, the door will rattle due to the wind. There is a lot of rattling with flash bolts, and rattling is seen even when dropped in France. Both do not have the function of tightening and fixing the door. Doors with lock receiving interlock door bolts can be tightened firmly and firmly. In the event of fire evacuation, you can open the child door by simply turning the handle after unlocking the parent door. It is easier to evacuate because the flash bolt does not require the operation to release the child door, but the child door opens as the parent door opens and closes during normal times,
It's inconvenient. When dropping in France, it is necessary to operate above and below the door, which is not suitable for evacuation. When the child door is locked with other hardware, even if the parent door is locked, if the child door is unfastened and pushed in the direction of opening the door, both the parent and child doors will open. Also, if you forget the tightness of the child door and close the parent door and lock it, pressing the door also opens the door while it is locked. When the Gremon tightening is installed on both doors of the parent and child, even if the Gremon tightening of the child door is released, the parent door will not open, but the child door will not be tightened. It can be solved by installing a cylinder lock and operating with the key even for the gremone tightness of the child door, but it becomes necessary to operate both the parent and child doors with the key.
All can be solved by attaching a lock receiving interlocking child door bolt that has the same tightening strength as Glemon tightening.

[Brief description of drawings]

FIG. 1 is a split perspective view showing a state in which a lock receiving interlocking child door bolt according to claim 1 is attached to a child door and locked.

FIG. 2 A. It is a figure which shows the unlocked state which retracted the upper and lower bolts. B. It is a figure which shows the unlocked state which protruded the upper and lower bolts. C. It is a figure which shows the locked state which protruded the upper and lower bolts.

FIG. 3A. FIG. 2A shows the state in which the lock receiving hole is closed in the description of the receiving slider. B. FIG. 2B shows a state in which the lock receiving hole is opened in the description of the blocking slider.

FIG. 4 A. It shows a state in which the lock receiving hole is closed by the handle shaft cam with the receiving hole closing according to claim 3. B. The state where the lock receiving hole is opened by the handle shaft cam with the receiving hole closed is shown.

FIG. 5: A. It is a front perspective view of the lock receiving which replaced the receiving hole closing slider of Claim 2 with the lock receiving. B. It is a rear perspective view of the lock receiving which replaced the receiving hole closing slider with the lock receiving.

FIG. 6 is a split perspective view of a modified example of the lock receiving interlocking door door bolt according to claim 1, wherein the upper and lower bolts are retracted by pushing.

FIG. 7: A. This is a modification example in which the lock receiving hole closing slider according to claim 1 is rotated to close the lock receiving hole. B. It is the figure which rotated and closed the lock receiving hole.

FIG. 8 A. This is a modified example of closing the lock receiving hole by moving the receiving slider according to claim 1 back and forth. B. It is the figure which moved to the front and closed the lock receiving hole.

[Explanation of symbols]

1. Double door child door 2. Lock 3. Receiving hole closing slider 4. Lock receiving hole 5. Slider receiving hole 6. handle 7. Slider cam 8. Rod cam 9. Upper rod 10. Upper bolt 11. Lower rod 12. Lower bolt 13. Lock bolt for the main door 14. Handle shaft 15. Toro Cover 16. Handle shaft cam 17. Closing the receiving hole 18. Cam receiving hole 19. Lock 20. Lock receiving hole 21. Lock base 22. Lock 23. Lock receiving hole 24. Vertical working width 25. Lock holder base opening 26. handle 27. Rod cam 28. Receiving hole closing slider 29. Slider receiving hole 30. Handle shaft 31. Slider cam 32. Lock 33. Lock receiving hole 34. Block slider 35. Rotary shaft 36. Handle shaft 37. Slider cam 38. Barge Bar 39. Lock 40. Lock receiving hole 41. Block slider

Claims (3)

[Claims] 1. A metal fitting that is used by being attached to a child door of a double door and operates a handle to protrude the upper bolt (10) and the lower bolt (12) above and below the child door to lock the door, and to lock the parent door. It is a child door tightening metal fitting that interlocks with the receiving hole closing slider (3) that closes the lock receiving hole (4) .The receiving hole closing slider moves in conjunction with the operation of the handle, and when the upper and lower bolts are retracted, the lock receiving When the slider closes the receiving hole, the master door cannot be locked, and when the upper and lower bolts are pushed out and the door is locked, the receiver hole closing slider that closes the lock receiver hole opens and the master door The lock dead bolt (13) can be locked by entering the receiving hole, and the lock door's dead bolt closes the receiving hole during locking and prevents the slider from moving and the child door cannot be opened. bolt. 2. The receiving hole closing slider is replaced with a lock holder, and the lock holder is moved up and down to move the lock receiving hole up and down to lock and lock the parent door.
The lock receiving interlocking door door bolt. 3. The receiving shaft closing cam is replaced with a handle shaft cam (16) having a receiving hole closing (17) and a cam receiving hole (18), and the handle shaft cam is rotated by the operation of the handle to lock the lock. The lock receiving interlocking door door bolt according to claim 1, wherein the parent door cannot be locked or can be locked by closing the hole receiving hole closing (17) or opening the cam receiving hole (18).