JPH10299315A - Lock mechanism for sliding door and sliding door structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to see a visitor while impeding intrusion from the outside. SOLUTION: This lock mechanism for sliding door 1 is composed of a lock rod 4, an operating member 6 connected to the lower end of the lock rod 4 through connecting mechanism 5, and a receiving seat 7 for receiving the upper end of the lock rod 4. In sliding door structure, the lock rod 4 of such lock mechanism for sliding door 1 is arranged in a vertically movable state in a stile 9 of the sliding door 8 provided at a main entrance, and the receiving seat 7 is installed at a head jamb frame 10 serving as a lateral frame of a frame of fittings into which the sliding door is fitted. A rod opening 21 pierced with the lock rod 4, and a rod receiver 22 for fitting the tip of the lock rod 4 therein are formed at the receiving seat 7. The rod opening 21 has specified opening length so that the sliding door 8 can be opened/closed in the fixed width in the state of being pierced with the lock rod 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking mechanism for a sliding door and a sliding door structure to be installed in an entrance sliding door or the like mainly for security purposes.

[0002]

2. Description of the Related Art There are various locks used at the entrance of a house depending on whether the door is made of wood or steel, or for a door or a sliding door. For example, a lock is used for a door. For cylinder door locks and sliding doors, engraved sickle locks are common.

[0003] Here, in the case of a door of a hinged door type, a door guard is often attached in addition to the cylinder lock described above. The door guard can limit the opening angle of the hinged door. Widely adopted.

[0004]

However, the sliding door-type entrance frequently used in Japanese-style houses does not have the same function as the door guard, and to check the state of the visitor, unlock the original lock. Currently, the only option is to open the sliding door. Therefore, in the unlikely event that there is a problem that intrusion from outside cannot be prevented.

The present invention has been made in view of the above circumstances, and has as its object to provide a locking mechanism for a sliding door and a sliding door structure capable of observing a visitor while preventing intrusion from outside. I do.

[0006]

In order to achieve the above object, a locking mechanism for a sliding door according to the present invention, as described in claim 1, comprises a locking rod which is vertically movable within a sliding door, and the locking mechanism. An operating member connected to the locking rod, a rod opening installed on a lateral frame of the opening frame into which the sliding door is built, and a rod opening through which the locking rod penetrates, and a rod receiver into which the tip of the locking rod fits. Made of
The rod opening has a predetermined opening length so that the sliding door can be opened and closed with a constant width in a state where the locking rod is penetrated.

Further, in the locking mechanism for a sliding door according to the present invention, the locking rod has a locking position in which the tip thereof is inserted into the rod receiver and a semi-locking position in which the locking rod is pulled out of the rod receiver and penetrates the rod opening. And a release mechanism which can be locked at a release position pulled out from the rod opening.

Further, in the locking mechanism for a sliding door according to the present invention, the locking mechanism may be configured to lock the locking rod to one of the other end of the locking rod and a guide into which the other end is inserted and guides the vertical movement thereof. A projection is provided, and a locking recess into which the locking projection is fitted is provided on the other side.

According to a fourth aspect of the present invention, there is provided an operating member in which a locking rod is disposed in a sliding door so as to be vertically movable and the locking rod is disposed on the indoor side of the sliding door. And a receiving seat formed with a rod opening through which the locking rod penetrates and a rod receiver into which the tip of the locking rod fits is provided in a horizontal frame of the opening frame in which the sliding door is built. The rod opening has a predetermined opening length so that the sliding door can be opened and closed with a fixed width in a state where the locking rod is penetrated.

In the sliding door structure according to the present invention, the locking rod is built in a vertical frame of the sliding door.

In the sliding door structure according to the present invention, a recess with a slit may be embedded in the vertical frame, the operating member may be disposed in the recess, and the operating member and the locking rod may be connected to the slit of the recess. It is designed to be connected via

Further, in the sliding door structure of the present invention, a puller having a concave portion is embedded in the vertical frame so as to be movable up and down, and the puller is connected to the locking rod to form the operating member.

In the sliding door locking mechanism and the sliding door structure of the present invention, when the sliding door is completely locked, the locking rod is moved upward or downward by the operating member, and the locking rod is passed through the rod opening of the receiving seat. Then, the tip is fitted into the rod receiver of the receiving seat to set the locking position.

On the other hand, when there is a visitor to see the situation, the locking rod is moved in the opposite direction by the operation member so that the locking rod is not pulled out from the rod opening of the receiving seat, and the tip of the locking rod is received from the rod receiving of the receiving seat. Pull out and set to the semi-locked position.

In this case, since the tip of the locking rod is pulled out from the rod receiver of the receiving seat, the sliding door can be opened. However, if the sliding door is opened by a width corresponding to the opening length of the rod opening, The locking rod is locked at the end of the rod opening and the sliding door cannot be opened any further.

When it is desired to completely open the sliding door, the locking rod is continuously moved in the same direction and pulled out from the rod opening of the receiving seat to set the unlocking position. With this configuration, the locking rod is pulled out from the rod receiver of the receiving seat as well as from the rod opening, and the sliding door can be freely opened and closed.

The sliding door includes a sliding door as well as a sliding door.

The structure and shape of the operating member are arbitrary as long as the locking rod can be moved up and down by holding it by hand or pushing it by hand.

The place where the receiving seat is disposed is preferably provided in the upper frame (Kamoi frame) of the opening frame in that there is no danger of collecting dust and interference with the rails. It doesn't matter.

The locking rod may have any structure as long as it can be moved up and down between the above-mentioned locking position, semi-locking position and release position, and the locking rod can be locked at these positions. By providing a locking mechanism,
Vertical movement of the locking rod can be reliably performed.

Further, as such a locking mechanism, a locking projection is provided on one of the other end of the locking rod and a guide into which the other end is inserted to guide the vertical movement thereof, and the other is provided with the locking projection. If the locking recess is provided with the locking projection, the vertical movement and the locking operation can be performed smoothly.

The material and cross-sectional shape of the locking rod are arbitrary. In addition, it is also possible to arrange it at an arbitrary position and arrange it at the center of the sliding door, but if the locking rod is incorporated in the vertical frame of the slightly thick sliding door,
The sliding door locking mechanism of the present invention can be provided on the sliding door without significantly impairing the design of the sliding door.

In particular, when the recessed portion with the slit is embedded in the vertical frame, and the operating member is disposed in the recessed portion, and the operating member and the locking rod are connected via the slit of the recessed portion, the operating member is provided. However, the structure does not protrude from the surface of the sliding door and is suitable for a sliding door.

Further, if a puller having a concave portion is vertically embedded in a vertical frame and connected to a locking rod to form an operating member, a puller and a locking rod normally provided in a sliding door are provided. Since the sliding door structure of the present invention does not differ from the ordinary sliding door structure in appearance, there is no fear of damaging the design of the sliding door.

[0025]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a sliding door locking mechanism and a sliding door structure according to the present invention.

FIG. 1 is an overall perspective view showing a sliding door locking mechanism according to the present embodiment and a sliding door structure provided with the same. As can be seen from the figure, the locking mechanism 1 for a sliding door according to the present embodiment includes a locking rod 4, an operating member 6 connected to a lower end of the locking rod via a connecting mechanism 5, and a locking rod 4. And a receiving seat 7 for receiving the upper end of
The sliding door structure according to the present embodiment includes the sliding door locking mechanism 1.
The vertical frame 9 of the sliding door 8 provided at the entrance with the locking rod 4
The sliding door 2 is disposed so as to be able to move up and down, and the receiving seat 7 is installed on a door frame 10 as a horizontal frame of an opening frame in which the sliding door 2 is built. A guide 11 for guiding the vertical movement of the locking rod 4 is attached to the upper edge of the sliding door 8.

FIG. 2 is an exploded perspective view of the locking mechanism 1 for a sliding door. As can be clearly seen in the figure, the receiving seat 7 is formed with a rod opening 21 through which the locking rod 4 penetrates and a rod receiver 22 into which the tip of the locking rod fits.
The rod opening 21 has a predetermined opening length so that the sliding door 8 can be opened and closed with a constant width in a state where the locking rod 4 is penetrated. Such an opening length is set so that a gap is formed between the sliding door 8 and the vertical frame such that the outside can be observed while preventing intrusion from outside, for example, 15c.
m.

The connecting mechanism 5 includes a guided member 2 attached to the lower end of the locking rod 4 as can be clearly understood from FIG.
3 is fitted in a hollow rectangular guide 24 so as to be movable up and down, and a connecting piece 25 is provided on the side of the guided body 23 so as to project from the slit 29 to the indoor side. 6 is inserted into the tip of the connecting piece 25.

A sphere 26 as a locking projection is fitted in the guided body 23, and is pressed against the inner surface of the guide 24 by the action of a spring (not shown) pushed into the back of the sphere. In addition, a locking hole 27 is formed in the guide 24 as a locking recess into which the sphere 26 is fitted. The sphere 26 and the locking hole 27 allow the locking rod 4 to have a predetermined height. Locking mechanism 28 that holds in the up position
Is configured.

Here, a total of three locking holes 27 of the locking mechanism 28 are formed in the guide 24, and when the sphere 26 is fitted in the uppermost locking hole 27, the locking rod 4 is locked. When the distal end is fitted into the rod receiver 22 of the receiving seat 7 and reaches the locking hole 27 at the intermediate position, the tip is pulled out of the rod receiving 22 while penetrating the rod opening 21 of the receiving seat 7, When it comes to the lowermost locking hole 27, it is pulled out from the rod opening 21.

In the sliding door locking mechanism 1 and the sliding door structure of the present embodiment, when the sliding door 8 is completely locked, as shown in FIG. 3 (a), the operating member 6 is closed with the sliding door 8 properly closed. Push up to the top. Then, the locking rod 4 penetrates through the rod opening 21 and its tip is fitted into the rod receiver 22 of the receiving seat 7 to be in the locking position. In this locking position, since the sphere 26 of the locking mechanism 28 is fitted in the uppermost locking hole 27, the locking rod 4 does not drop naturally.

On the other hand, when there is a visitor to observe the situation, the operating member 6 is pushed down as shown in FIG.
With the locking rod 4 passed through the rod opening 21, the tip is pulled out of the rod receiver 22 of the receiving seat 7. In this semi-locked position, the sphere 26 of the locking mechanism 28 is fitted in the locking hole 27 at the intermediate position, so that the locking rod 4 does not drop naturally.

In such a semi-locked position, the tip of the locking rod 4 is pulled out of the rod receiver 22 of the receiving seat 7, so that the sliding door 8 is opened and the state of the visitor is seen from the gap formed between the sliding door 8 and the vertical frame. Can be seen. However, when the sliding door 8 is opened by a width corresponding to the opening length of the rod opening 21, the locking rod 4 is locked at the end of the rod opening 21, and the sliding door 8 cannot be further opened.

To completely open the sliding door 8, FIG.
As shown in (1), the operating member 6 is further pushed down, and the locking rod 4 is pulled out of the rod opening 21 of the receiving seat 7 to be in the release position. By doing so, the locking rod 4 is pulled out from both the rod receiver 22 of the receiving seat 7 and the rod opening 21, and the sliding door 8 can be freely opened and closed.

As described above, according to the locking mechanism 1 for a sliding door according to the present embodiment, the locking rod 4 is pulled out of the rod receiver 22 in the semi-locked position, so that the sliding door 8 is slightly opened to secure the vertical frame. Can be checked from the gap, but even if the visitor tries to forcibly enter, the locking rod 4 is locked at the end of the rod opening 21 and the sliding door 8 is opened further. Can not do. In other words, it is possible to see visitors while preventing intrusion from outside.

In the case of a door guard used for a hinged door, it is necessary to close the door once in order to release the locked state of the door guard when inviting a visitor.
In the locking mechanism 1 for the sliding door according to the present embodiment, after confirming the visitor, the locking rod can be pushed down in the semi-locked state to release the lock, so that it is troublesome to close the door like a door guard. It can be omitted and there is no rude to visitors.

Further, according to the locking mechanism 1 for a sliding door of the present embodiment, the locking rod 4 is provided with a locking mechanism 28 capable of locking the locking rod 4 at each of the locking position, the semi-locking position and the releasing position. Therefore, it is possible to reliably perform the vertical movement operation of the locking rod 4 and to prevent malfunction due to rattling or the like.

Further, according to the locking mechanism 1 for a sliding door of the present embodiment, the above-described locking mechanism 28 is used to guide the sphere 26 fitted into the guided body 23 and the guided body 23 so that the guided body 23 can move up and down. Since the locking rod 4 is formed with the locking hole 27, the locking rod 4 can be smoothly moved up and down and locked securely at a predetermined position.

According to the sliding door structure of the present embodiment,
Since the locking rod 4 is built into the vertical frame 9 of the sliding door 8, the design of the sliding door 8 is not greatly impaired.
The locking mechanism for a sliding door 1 can be provided in the sliding door 8.

Incidentally, the locking mechanism 1 for the sliding door of the present embodiment.
May be used as a single tablet instead of a conventional lock, or may be used in combination with a conventional lock.

Although not specifically mentioned in the present embodiment, a recessed portion 31 with a slit as shown in FIG. 5 is embedded in the vertical frame 9 of the sliding door 8 and protrudes from the guided body 23 at the lower end of the locking rod. Connect the connecting piece 25 to the concave portion 31 with a slit.
If the operating member 6 is attached to the distal end of the connecting piece 25 while fitting the operating member 6 into the slit 31 with the slit, the operating member 6 does not protrude from the surface of the sliding door 8 and the sliding door This is a structure particularly suitable for In addition, the recessed part 31 with a slit can be used as a handle of the sliding door 8.

Alternatively, as shown in FIG.
A puller 41 having a concave portion is embedded in the vertical frame 9 so as to be vertically movable, and the guided member 2 at the lower end of the locking rod is provided.
The operating member may be fixed to the connecting piece 25 protruding from the third member.

According to this structure, the pulling door 41 can be used also as a pulling door normally provided on the sliding door 8, so that there is no difference in appearance from a normal sliding door structure, and there is no fear that the design of the sliding door 8 is spoiled. Completely gone.

[0044]

As described above, according to the locking mechanism for a sliding door according to the first aspect of the present invention, the state of the visitor can be confirmed from the gap with the vertical frame by slightly opening the sliding door.
Should the visitor try to force in, the locking rod is locked at the end of the rod opening and the sliding door cannot be opened any further. In other words, it is possible to see visitors while preventing intrusion from outside.

According to the locking mechanism for a sliding door of the present invention according to claim 2, in addition to the effect of claim 1, the vertical movement of the locking rod is reliably performed, and malfunction due to rattling or the like is prevented. There is also an effect that it is possible to prevent such a situation.

According to the third aspect of the present invention, in addition to the effect of the second aspect, in addition to the effect of the second aspect, the locking rod is moved up and down smoothly and securely locked at a predetermined position. The effect that it becomes possible to perform is also produced.

According to the sliding door structure of the present invention according to claim 4, it is possible to check the state of the visitor from the gap with the vertical frame by slightly opening the sliding door. If so, the locking rod is locked at the end of the rod opening and the sliding door cannot be opened any further. In other words, it is possible to see visitors while preventing intrusion from outside.

According to the sliding door structure of the fifth aspect of the present invention, in addition to the effect of the fourth aspect, it is possible to provide a sliding door locking mechanism in the sliding door without significantly impairing the design of the sliding door. Also has the effect of becoming.

According to the sixth aspect of the present invention, in addition to the effect of the fourth aspect, in addition to the effect of the fourth aspect, the operating member does not protrude from the surface of the sliding door, so that the structure is particularly suitable for a sliding door. It also has an effect.

According to the seventh aspect of the present invention, in addition to the effect of the fourth aspect, there is no difference in appearance from a normal sliding door structure, and there is no fear of damaging the design of the sliding door. Also has the effect.

[0051]

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a sliding door locking mechanism and a sliding door structure according to an embodiment.

FIG. 2 is an exploded perspective view of the locking mechanism for the sliding door according to the embodiment.

FIG. 3 is a view illustrating the operation of the sliding door locking mechanism and the sliding door structure according to the embodiment.

FIG. 4 is a view for explaining the operation of the embodiment.

FIG. 5 is a perspective view showing a modification of the locking mechanism for a sliding door according to the embodiment.

FIG. 6 is a perspective view showing another modification of the locking mechanism for a sliding door according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Locking mechanism for sliding doors 4 Locking rod 6 Operating member 7 Receiving seat 8 Sliding door 9 Vertical frame 10 Kamoi frame (horizontal frame of opening frame) 21 Rod opening 22 Rod receiving 24 Guide 25 Connecting piece 26 Spherical body (Locking projection) 27 Locking hole (locking recess) 28 Locking mechanism 31 Slit recess 32 Slit 41 Puller (operation member)

Claims (7)

[Claims] 1. A locking rod arranged vertically movable in a sliding door, an operating member connected to the locking rod,
The rod opening is provided on a horizontal frame of an opening frame in which the sliding door is built, and includes a rod opening through which the locking rod penetrates and a rod seat formed with a rod receiver into which the tip of the locking rod fits. Has a predetermined opening length so that the sliding door can be opened and closed with a constant width in a state where the locking rod is penetrated. 2. A locking position where the tip of the locking rod is inserted into the rod receiver, a semi-locking position where the locking rod is pulled out of the rod receiver and penetrates the rod opening, and a release where the locking rod is pulled out from the rod opening. The locking mechanism for a sliding door according to claim 1, further comprising a locking mechanism that can be locked at different positions. 3. The locking mechanism according to claim 1, wherein one of the other end of the locking rod and a guide into which the other end is inserted to guide up and down movement are provided with a locking projection, and the other is provided with the locking projection. 3. The locking mechanism for a sliding door according to claim 2, further comprising a locking recess into which the projection is fitted. 4. A locking rod is vertically movably arranged in a sliding door to connect the locking rod to an operating member disposed on the indoor side of the sliding door, and a rod opening through which the locking rod penetrates. A receiving seat formed with a rod receiver into which the tip of the locking rod fits is provided in a horizontal frame of an opening frame in which the sliding door is built, and the rod opening is a state where the locking rod is penetrated. A sliding door structure having a predetermined opening length so that the sliding door can be opened and closed with a constant width. 5. The sliding door structure according to claim 4, wherein the locking rod is built in a vertical frame of the sliding door. 6. A recess having a slit in the vertical frame, the operating member is disposed in the recess, and the operating member and the locking rod are connected to each other through a slit in the recess. The sliding door structure according to claim 5. 7. The sliding door structure according to claim 5, wherein a puller having a concave portion is embedded in the vertical frame so as to be movable up and down, and the puller is connected to the locking rod to form the operating member.