JPH0755248Y2 - Door lock receiving device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a door lock seating device provided on a door frame side for engaging a locking rod (latch or dead) of a door lock.

[Conventional technology]

For example, the swing door is provided with a door lock having only a latch or a dead, or a door lock having a latch and a dead, and as shown in FIG.
Is generally configured to fit snugly in the doorway 33 of the door frame 32.

A conventional receiving plate 35 for engaging the latch and the dead 34 is provided on the doorway surface portion 33a.

[Problems to be solved by the device]

However, as shown in the drawings, the frame width 1 at the doorway portion of the door frame 32 may not be configured to be a necessary and sufficient width in terms of strength due to the structure and design of the entire door. Providing the plate 35 on the doorway surface portion 33a of the portion has a problem in crime prevention.

Alternatively, due to the structure in which the receiving plate 35 is provided on the doorway surface portion 33a of the door frame 32, it is not possible to take a preferable form in terms of designing that there is a space between the doorway 33 of the door frame 32 and the door frame 36. It was a thing.

The present invention has been devised in view of such actual circumstances, and is suitable for a door frame having a narrow frame width at the doorway portion, or can have a preferable door form in terms of the design. An object of the present invention is to provide a door lock receiving device that can be used.

[Means for Solving the Problems]

In order to achieve the above object, according to the present invention, a device for receiving a door lock is provided with a receiving plate for engaging the locking rod in a door rest portion of a door frame corresponding to the locking rod so as to be retractable in a door opening / closing direction. At the same time, when the door is closed, a driven member that comes into contact with the door and is driven in the door closing direction is provided in the door rest portion, and the receiving plate is locked in conjunction with the movement of the driven member in the door closing direction. The feature is that an interlocking member that projects to the engaging position is provided.

[Action]

According to the above characteristic configuration, when the door is open, the receiving plate housed on the door rest side of the door frame projects to the locking rod engaging position in conjunction with the closing of the door, and the locking rod engages with the receiving plate. Then it is locked.

Then, with the opening of the door, the receiving plate is housed in the door retainer side.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a schematic plan view of a swing door structure, and FIGS. 2 to 6 show details of a seat device.

In the figure, 1 is a swing-type door, 2 is a door frame, and the door 1 is attached via a hinge 5 in a state in which a design gap is provided between a doorway 3 and a door frame 4 of the door frame 2. It is pivotally attached to the door frame 2.

Reference numeral 6 is a door lock provided with two lock rods (one is a latch 7a and the other is a dead 7b), and the latch 7a and the dead 7b are housed inside the door frame 4.

Then, the door frame 4 corresponding to the door rest portion 9 of the door frame 2
A cover 10 having an opening 9 for receiving and retracting the receiving plate facing the latch 7a and the dead 7b is provided on the surface portion of the door, and a portion of the door support portion 8 facing the opening 9 is a decorative case 19 described later. The insertion opening 11 is formed.

Reference numeral 12 is a seating device for engaging the latch 7a and the dead 7b, and is provided inside the door rest portion 8 in a state of partially projecting from the opening 11.

In the seat device 12, 13 is a receiving plate case, which is a U-shaped member.
Two shafts 15 are caulked inside 14 and a flat plate cover 16 is fixed to the two shafts 15 with screws. The cover 16 and the U-shaped member 14 are in phase with each other. A long hole a in the door opening / closing direction is formed in the corresponding surface portion. Further, an opening 17 for inserting a receiving plate is formed in the surface portion of the U-shaped member 14 on the door side.

Reference numeral 18 denotes a receiving plate supporting member made of a synthetic resin and having a rectangular tube shape, and a U-shaped member 14 in a state where the hollow portion P is connected to the opening 17.
It is provided in. Reference numeral 19 is a decorative cover that also serves to attach the receiving plate supporting member 18, and is a hollow portion P of the receiving plate supporting member 18.
There is formed an opening 20 for inserting the receiving plate facing the.

Reference numeral 21 denotes a receiving plate in which an engaging hole b of the latch 7a and the dead 7b is formed. The receiving plate 21 is inserted into the openings 17 and 20 and the hollow portion P so as to be retractable in the door opening / closing direction, and the engaging hole b is inserted. Support plate support member 18
A first state (see FIGS. 3 and 4) of being immersed in the inside of the container, and a second state (see FIGS. 5 and 6) of causing the engagement hole b to project to the engagement position between the latch 7a and the dead 7b. It can be switched to.

Reference numeral 22 denotes a stepped shaft having a small diameter shaft portion 22c engaged with the elongated hole a formed at both ends, and a small diameter shaft portion 22a is provided so as to penetrate the receiving plate 21.

Reference numeral 23 denotes an interlocking member whose one end side is pivotally attached to one shaft body 15, and a long hole d into which the large diameter shaft portion 22b of the stepped shaft 22 is inserted is formed at the other end side.

Reference numeral 24 denotes a driven member pivotally attached to the one shaft body 15, and a first urging means for causing the contacted portion e of the driven member 24 to project to the outside of the door rest portion 8 through the opening 25 ( A spiral spring 26 is provided, and a contact member f for contacting the interlocking member 23 and defining the amount of protrusion of the contacted portion e is provided in a bent manner.

27 is a second having a stronger biasing force than the first biasing means 26.
The one end side of the interlocking member 23 is urged by an urging means.
So that the interlocking member 23 and the driven member 24
It is provided between and.

According to the above configuration, as shown in FIGS. 3 and 4, the door 1
In the open state, the contacted portion e of the driven member 24 is opened to the opening 25.
Urges outward from the door rest 8 and the receiving plate 21 is the first
The state is switched to the state X and the state is stored in the door rest portion 8 side, and there is no concern that the backing plate 21 will be bent by mischief or clothes or body will be caught on the backing plate 21.

When the door 1 is closed in this state, as shown in Figs.
When the door 1 comes into contact with the contacted portion e and pushes it inwardly of the door rest portion 8, the driven member 24 causes the first urging means.
It is driven to rotate around one shaft 15 against 26, and its rotational force is transmitted via the second biasing means 27 to the interlocking member 23.
When the interlocking member 23 swings around the one shaft body 15, the receiving plate 21 projects outside the door support portion 8 and is switched to the second state Y.

Thus, the engaging hole b of the receiving plate 21 is located at the engaging position of the latch 7a and the dead 7b, and the latch hole is provided in the engaging hole b.
7a is engaged, and the dead 7b is engaged with the engagement hole b as required.

Then, when the door 1 is opened with the latch 7a and the dead 7b separated from the engagement hole b, the receiving plate 21 moves to the first position.
While being switched to the state X, the contacted portion e of the driven member 24 is projected to the outside of the door support portion 8.

By the way, it is possible to integrally connect the driven member 24 to the interlocking member 23 so that the two 23, 24 are integrated. In this case, if the door 1 is accidentally closed while the dead 7b is projected, Simultaneously with the contact of the door 1 with the contacted portion e, the dead 7b contacts the receiving plate 21 and the seat device 12 or the dead
The door lock 6 including 7b may be damaged.

However, if the interlocking member 23 and the driven member 24 are formed as separate bodies and the second biasing means 27 is provided between the two members 23 and 24, as shown in FIG. When the 7b abuts, the receiving plate 21 moves so as to sink into the inside of the door rest portion 8, and the breakage of the seat lock 12 or the door lock 6 including the dead 7b is effectively prevented. There is.

[Effect of device]

As described above, according to the present invention, the receiving plate for engaging the locking rod is provided on the door frame portion side of the door frame, so that the door frame with the weak frame width of the door opening portion of the receiving plate is provided. You can solve the security problem when it is attached, or
It is also possible to take a preferable door form in terms of a design in which there is a space between the doorway of the door frame and the door frame, and moreover, the receiving plate is not simply provided on the door holder side of the door frame, Since the plate is retractable with respect to the door support part and the receiving plate is retracted into the door support part side when the door is open, the door is closed and locked as in the conventional door. And since there is no gap between the door frame removing nozzle and a part of the lock rod is not exposed, it is effective in crime prevention.

In addition, there is no fear that the backing plate will be bent or clothes or body will be caught on the backing plate due to mischief, and as a whole, it is suitable for a door frame having a narrow frame width at the doorway portion, or a design In view of this, the present invention has led to the provision of a seating device that can take the form of a door that is preferable in view of safety.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a swing-type door structure, and FIG. 2 is a perspective view of a door lock and a seat receiving device partially disassembled. FIG. 3 is a vertical cross-sectional plan view of a part of the door and the seat receiving device under the opened door, and FIG. 4 is a vertical cross-sectional side view thereof. FIG. 5 is a vertical cross-sectional plan view of a part of the door and the seat receiving device under the door closed, and FIG. 6 is a vertical cross-sectional side view thereof. FIG. 7 is an explanatory view of damage prevention of a seat device and a door lock, and FIG. 8 is a schematic plan view of a swing type door structure of a conventional example. 6 ... Door lock, 7 ... Lock rod (latch 7a, dead 7b), 8 ...
… Door part, 21 …… support plate, 23 …… interlocking member, 24 …… driven member.

Claims (1)

[Scope of utility model registration request] 1. A seat lock receiving device for a door lock, which is provided on a door frame side for engaging a lock bar of a door lock, wherein a lock bar is provided at a door stop portion of the door frame corresponding to the lock bar. The receiving plate for combination is provided so as to be retractable in the opening / closing direction of the door, and a driven member, which is brought into contact with the door when the door is closed and is driven in the door closing direction, is provided in the door rest portion, and
A seat receiving device for a door lock, comprising an interlocking member for interlocking with movement of the driven member in a door closing direction so as to project the receiving plate to a locking rod engaging position.