JPH0321415Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a lock for a single-opening door.

[Conventional technology]

Push out the upper and lower rods by operating the handle, and insert and lock the rod caps provided at the upward tips of the upper rods and the downward tips of the lower rods into the roller holders of the upper and lower stile of the door frame, respectively; Further, in a lock in which a dead bolt is fitted and locked into a dead bolt receiver of a door frame, the ends of an upper rod and a lower rod are connected to a slider incorporated in a lock box by screwing or the like.

[Problem that the invention attempts to solve]

When repairing or replacing the lockbox when its internal function has been damaged, the rod cap on the lower rod must Since it contacts the floor surface, the connection between the lower rod and the slider cannot be released.

This created the problem of having to remove the door.

Particularly in the case of large doors, the weight is large, which poses a problem that requires a lot of work.

[Means for solving problems]

In order to solve the above problems, this invention opens the rear surface of the lock box, and also arranges an elevating body in the upper and lower parts of the door corresponding to the rear surface of the lock box, and protrudes from the upper end of the upper elevating object. The end of the upper rod is connected to the mounting member that protrudes from the lower end of the lower lifting body, and the lower rod is connected to the upper end of the slider for the upper rod and the upper lifting body. The lower end of the slider and the lower elevating body are provided with an engaging portion that engages when the lock box is fitted.

[Effect]

When the handle is rotated after the door is closed, the notch and pin first slide the elevating body upward with the upper slider through the engaging part, and downward with the lower slider through the engaging part. While pushing out the rod, fit the rod caps into the roller receivers of the upper and lower stile, respectively.

Further, after the extrusion of the rod is completed, the edge of the notch comes into contact with the protruding shaft, and the dead bolt is pushed out so that it is fitted into the dead bolt receiver.

To open the door, turn the handle in the opposite direction as described above, and the protruding shaft collides with the edge of the notch to pull back the dead bolt, and the pin will release the upper slider together with the elevating body and lower slider. Slide the elevating body and pull back the rod cap together with the rod.

Furthermore, if the function inside the lockbox is impaired, the lockbox is removed.

At this time, the engaging portions between the slider and the elevating body are disengaged, and when the lock box is fitted and attached, the engaging portions between the slider and the elevating body are engaged.

〔Example〕

In the figure, A is a single-opening door, and a vertical frame surface of this door A is provided with a through window 2 into which a removable lock box 1 is fitted.

The above-mentioned lock box 1 can be opened by inserting screws (not shown) into the through holes 4 provided at the upper and lower ends of the front plate 3.
It is designed to be installed by screwing into the

Reference numeral 5 denotes a shaft that passes through the door A and the lock box 1 so that both ends of the door A protrude, and handles 6 for driving the shaft 5 are provided at both ends of the shaft 5.

In addition, rods 6 and 7 that can slide vertically across the lock box 1 in the door A are incorporated, and the upward tip of the upper rod 6 and the downward tip of the lower rod 7 are provided with extruded rods 6 and 7. Accordingly, a rod cap (not shown) is provided which protrudes from the upper and lower stile of the door A and fits into a roller receiver (not shown) of the door frame.

Further, an upper slider 8 and a lower slider 9 are provided on both sides of the shaft 5.

In addition, elevating bodies 10 and 11 that slide vertically on the rear side of the lock box 1 inside the door A are provided, and a mounting member 12 protruding forward from the upper end of the upper elevating body 10 has a terminal end of the upper rod 6. However, the mounting member 1 protrudes forward from the lower end of the lower elevating body 11.
3 are connected to the ends of the lower rods 7, respectively.

Upper elevating body 10 having the above-mentioned mounting member 12
is formed by a box that is fitted into the rear upper corner of the lock box 1 with its front and lower surfaces open, and the lower elevating body 11 having the mounting member 13 is fitted into the rear lower corner of the lock box 1 with its front and upper surfaces opened. The projecting shaft 15 protruding from the box 14 incorporated in the door A is guided by passing through the longitudinal elongated hole 16 of the upper elevating body 10 and the lower elevating body 11. .

The terminal connection of the upper rod 6 and lower rod 7 is as follows:
In the illustrated case, a through hole 17 is provided in the upper and lower walls of the box 14, and the ends of the shaft member 18 passed through the through hole 17 are fixed to the mounting members 12 and 13, respectively, and a hole is provided at the tip of the shaft member 18. The end threaded portions 20 of the rods 6 and 7 are screwed into the threaded holes 19.

Furthermore, the center between both ends of the plate-like body 21 is fixed so as to rotate together with the shaft 5, and pins 22 and 23 are provided on the side surfaces of both ends of the plate-like body 21.

In addition, the pins 22 and 23 are inserted inwardly from the opposing edges of the upper slider 8 and the lower slider 9, facing in opposite directions, and are inserted into the rods as the plate-like body 21 rotates. Notches 24 and 25 are provided for sliding the parts 6 and 7.

26 is a retractable dead bolt built into the door A, and on the side of the end of this dead bolt 26,
A protruding shaft 27 is provided.

Furthermore, a notch 28 is provided between both ends of the lower edge of the plate-like body, into which the protruding shaft 27 is fitted, and which engages with the protruding shaft 27 to push out the dead bolt 26 after the rods 6 and 7 have been pushed out. .

Further, holes are formed at the upper end of the upper slider 8 and the upper elevating body 10, and at the lower end of the lower slider 9 and the lower end of the lower elevating body 10, so that the axes thereof coincide with each other when the lock box 1 is fitted. An engaging portion 29 is provided that is engaged with the pin by fitting.

In the figure, 30 is a push-back spring for rods 6 and 7, and 31
32 is a through hole for the dead bolt 26, 33 is a screw hole provided in the box 14, and the front plate 3 is inserted into this screw hole 33.
The mounting screw is screwed in.

The lock according to this invention has the above configuration,
When the handle 6 is rotated clockwise in the figure after closing the door A, the pins 23 and 2 of the plate-like body 21 that rotate together
4 moves, the upper slider 8 having the notch 24 in contact with the periphery of the pin 22 rises, and the notch 25 in contact with the periphery of the pin 24 rises.
The lower slider 9 having the lower side slider 9 descends.

As a result, the elevating body 10 together with the upper slider 8
The elevating body 11 is slid together with the lower slider 9 to push out the rods 3 and 4, and the rod caps are respectively fitted into the roller receivers.

After the extrusion of the rods 6 and 7 is completed, the plate-shaped body 2 is
As the rotation of 1 continues, the notch 2 is formed on the protruding shaft 27.
8 collide and push out the dead bolt 26, and the tip of the dead bolt 26 is fitted and locked in the dead bolt receiver.

Note that when the dead bolt 26 is pushed out, the pins 22 and 23 escape from the notches 24 and 25.

In addition, when repairing or replacing the inside of the lock box 1 due to a failure, the mounting screws on the front plate 3 can be removed and the lock box 1
pull out.

At this time, the engaging portion 29 comes off and the elevating bodies 10 and 11 remain inside the door A.

After repair or when a new lock box 1 is set, the engaging portion 2 between the upper slider 8 and the elevating body 10
9 are engaged, and the lower slider 9 and the elevating body 11
The engaging portion 29 engages with.

〔effect〕

As mentioned above, according to the lock related to this invention,
When the lock box is fitted, the upper slider and the upper rod elevating body, and the lower slider and the lower rod elevating body are connected to holes whose axes are aligned, and an engaging portion where the pin fits is formed. Since the lock box is engaged through the lock, the lock box can be removed with the rod left in place, and then repaired or a new lock box installed.This eliminates the need to remove the door one by one and disconnect the rod from the slider. This eliminates the need for time-consuming work.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of the lock according to this invention, FIG. 2 is a vertical side view of the lock, FIG. 3 is a vertical side view with the dead bolt protruding, and FIG. 4 is a cross-sectional plan view of the same. A...Door, 1...Lock box, 2...Through window, 3...Front plate, 4...Through hole, 5...Shaft, 6, 7...Rod, 8...Slider for upper side, 9... ...Lower slider, 10, 11...Elevating body, 12...Mounting member, 13...Mounting member, 14...Box, 1
5... Protruding shaft, 16... Long hole, 17... Through hole, 18
... Shaft material, 19 ... Screw hole, 20 ... Threaded part, 2
1... Plate-shaped body, 22, 23... Pin, 24, 25
... Notch, 26 ... Dead bolt, 27 ... Protruding shaft, 28 ... Notch, 29 ... Engagement part.

Claims (1)

[Scope of utility model registration request] By operating the handles provided on the front and back sides of the single-opening door, two rows of sliders in the lock box built in from the vertical frame side of the door are slid in opposite directions, and each slider is connected to the slider. The rear surface of the lock box is opened in a lock in which a rod cap at the tip of a certain rod is moved in and out of the upper and lower stile surfaces of the door, and a dead bolt is moved in and out of the vertical stile surface of the door in conjunction with the slide of the slider. In addition, the elevating body is placed in the upper and lower parts of the door corresponding to the rear surface of the lock box, and the end of the upper rod is attached to the mounting member that protrudes from the upper end of the upper elevating body, and the end of the upper rod is attached to the mounting member that protrudes from the lower end of the lower elevating body. The ends of the lower rods are connected to the mounting members that are connected to each other, and the upper end of the slider for the upper rod and the upper elevating body are connected to the lower end of the slider for the lower rod and the lower elevating body when the lock box is fitted. 1. A lock characterized in that it is provided with an engaging portion consisting of a hole and a pin whose axes are aligned.