JPH0421986Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a lock for locking the joint part of a door.

Conventionally, from the outdoors, the sickle lock piece was rotated in and out while raising and lowering the slider by rotating the key inserted into the cylinder lock, and from indoors, the slider with the cylinder was raised and lowered while simultaneously sliding the outdoor slider. In the case of locks in which the sickle lock piece rotates in and out, the magnets installed at the mating parts of the door align when the door is closed, and the lock has a pivot point at the lower end built into the indoor door. As the upper end of the moving body is pulled toward the outdoor door, the tip of the protruding piece protruding from the upper end of the oscillating body fits between the pair of upper and lower protruding pieces protruding from the slider of the outdoor door, causing both sliders to slide together. ing.

In this case, the protruding piece and the protruding piece are already attracted by the overlapping, so when the slider slides, if some influence prevents smooth sliding, slipping occurs on the overlapping surface, and the protruding piece and the protruding piece There will be no more stumbling.

As a result, a problem arose in that the door could not be locked or unlocked.

This invention aims to eliminate the above-mentioned drawbacks by ensuring that the protruding pieces are engaged with each other.

This invention provides a pair of upper and lower protrusions protruding from the second slider of the outdoor door with protrusions that point inward toward each other, and a protrusion that protrudes from the swinging body of the indoor door with a protrusion that faces vertically. To provide a lock which is provided with a protruding part and prevents a protruding piece from coming off from the protruding piece due to the catching of the protruding part during locking and unlocking operations.

Hereinafter, embodiments of this invention will be described based on the accompanying drawings.

In the figure, A is a lock attached to the joint part of the door, and this lock A is composed of an indoor lock A' attached to the indoor door B and an outdoor lock A'' attached to the outdoor door C. There is.

The above indoor lock A' is placed on the stile of indoor door B.
a first slider 2 built in so that it can be raised and lowered by a slider; a rocking body 4 whose lower end is pivotally supported on the first slider 2 via a pin 3; and a projecting piece 5 that projects from the upper end of the rocking body 4 toward the outdoors. and swinging body 4 toward the outdoors.
When rotated, a through hole 6 provided in the vertical stile exterior wall of the indoor door B so that the projecting piece 5 penetrates, a magnet 7 provided at the upper end of the swinging body 4, and a magnet 7 installed in the upper end of the swinging body 4 to return the swinging body 4 to the indoor direction. It is composed of a spring 8 for rotation.

In addition, the outdoor lock A'' has a second slider 10 built into the vertical stile of the outdoor door C so as to be raised and lowered by turning a key inserted into the shilling lock 9, and a second slider 10 mounted on the internal wall of the vertical stile of the outdoor door C. A long hole 11 provided to have the length of the upper end lifting range, and two upper and lower protruding pieces 12, 12 that protrude from the rear surface of the upper end of the second slider 10 and pass through the elongated hole 11, and into which the tip of the protrusion 5 fits. When the magnet 7 of the indoor lock A'' matches, the magnet 13 provided on the second slider 10 attracts the magnet 7 and causes the tip of the protruding piece 5 to fit between the protruding pieces 12, and the magnet 13 of the outdoor door C An engaging sickle lock piece 14 for an outdoor door C is incorporated into a vertical stile and is interlocked to rotate in and out as the second slider 10 moves up and down.
It is made up of.

Note that the return force of the rocking body 4 due to the spring 8 is as follows:
It is made weaker than the attractive force of both magnets 7 and 13.

In the illustrated case, the second slider 10 is raised and lowered by a pinion 15 which rotates together with the key.
and a rack 16 provided on the second slider 10 so as to mesh with this pinion 15.

In addition, in order to rotate the sickle lock piece 14 in and out, the sickle lock piece 14 is rotated by passing a pin 19 installed between both side walls of the lock box 18 into the long end hole 17 of the sickle lock piece 14 in the illustrated case.
Both ends of the pin 21 inserted into the long end hole 20 of 4,
The lock box 18 is fitted into an L-shaped guide hole 22 provided on both side walls with its lower end facing outdoors, and the second
As the slider 10 descends, the pin 21 is pushed down by the edge of the inclined notch 23 provided in the second slider 10, and the sickle lock piece 14 is rotated in the projecting direction. The sickle lock piece 14 is pulled in, and as the second slider 10 rises, the protrusion 24 provided on the edge of the notch 23 engages with the pin 21, thereby rotating the sickle lock piece 14 in the retracting direction. There is.

Further, at the tips of both protruding pieces 12, protrusions 25 are provided that face inwardly.

Furthermore, a protrusion 26 that protrudes in the vertical direction is provided at the tip of the protrusion 5 .

27 in the figure is a sickle lock piece 14 on the vertical stile interior wall of outdoor door C.
28 is a through hole provided in the outside wall of the vertical stile of indoor door B in alignment with the through hole 27.
Reference numeral 9 denotes a long hole provided in the inner wall of the vertical stile of the indoor door B so that the slot 1 passes through it, and 30 is a piece projecting downward from the lower end of the swinging body 4, and the tip of the sickle lock piece 14 is brought into contact with this piece 30. When installed, the rocking body 4 rotates so that the protruding piece 5 is pushed out in the outdoor direction. Reference numeral 31 denotes an inclined guide portion that guides the tip of the protruding piece 5 between the protruding pieces 12 and guides the protruding piece 5 to escape from between the protruding pieces 12 in the lateral direction. Reference numeral 32 denotes a retractable cover that protrudes from the outdoor door C so as to cover the outside of the protruding piece 12 as the sickle lock piece 14 protrudes.
At the same time, a horizontal pin 33 is installed on the second slider 10, and a bent elongated hole 34 is provided in the cover 32, and the pin 33 is passed through the elongated hole 34. Long hole 34
The cover 32 is pushed out by the pin 33 moving inside, and as the second slider 10 rises, the elongated hole 34
The cover 32 is pulled back by a pin 33 moving within.

The lock according to this invention has the above configuration,
When the outdoor door C is opened, the magnets 7 and 13 are connected to each other.
Since these do not match, the swinging body 4 is rotated by the spring 8, and the projecting piece 5 is recessed into the vertical stile of the indoor door B as shown in FIG.

Next, as the outdoor door C is closed, the magnets 7 and 13 align with each other and the swinging body 4 is rotated in the outdoor direction due to the attractive force, so that a protrusion protrudes between the protruding pieces 12 as shown in FIG. The tip of piece 5 is inserted.

Therefore, when the first slider 2 is lowered according to shot 1, the second slider 10 is lowered by the engagement between the lower protruding piece 12 and the protruding piece 5, so that the sickle lock piece 14 is rotated in the protruding direction. Then, the through hole 28 and the sickle lock piece 1
Locks by engaging with 4.

Furthermore, when the first slider 2 is raised by shooting 1, the second slider 10 is also raised due to the engagement between the upper protruding piece 12 and the protruding piece 5, so the sickle lock piece 14 is rotated in the retracting direction. , through hole 28 and sickle lock piece 14
The engagement with is released.

In addition, from outdoors, insert the key into the cylinder lock 9, and rotate the key to open the second slider 10.
When raised and lowered, the sickle lock piece 14 moves in and out.

As mentioned above, according to the lock related to this invention,
Since the tips of the pair of upper and lower protrusions are provided with protrusions that point inward from each other, and the tips of the protrusions that protrude from the rocking body are provided with protrusions that point in the vertical direction, the engagement of both protrusions causes To prevent the protruding pieces from slipping and coming out from between the protruding pieces.

Therefore, it is possible to reliably slide the first and second sliders and rotate the sickle lock piece into and out.

[Brief explanation of the drawing]

Figure 1 is a longitudinal side view of the lock related to this invention.
Fig. 2 is a longitudinal side view showing the locked state, Fig. 3 is a longitudinal rear view of the same as above, and Fig. 4 is a transverse plan view when unlocked.
FIG. 5 is a cross-sectional plan view when the lock is locked, and FIG. 6 is a partially cutaway side view of an embodiment in which the cylinder lock is installed horizontally. A...Lock, B...Indoor door, C...Outdoor door,
A′...Indoor lock, A″...Outdoor lock, 1...Photograph, 2
...First slider, 3, 19, 21...Pin, 4
... Rocking body, 5 ... Projection, 6 ... Through hole, 7 ... Magnet, 8 ... Spring, 9 ... Cylinder lock, 10 ... Second slider, 11, 17, 20 ... Long hole, 12...
...Protruding piece, 13... Magnet, 14... Sickle lock piece, 15
...Pinion, 16...Rack, 18...Lock box,
22...Guide hole, 23...Notch, 24,2
5, 26...protrusion.

Claims (1)

[Scope of utility model registration request] A first slider built into a vertical stile of an indoor door so as to be raised and lowered by a shooting operation; a swinging body having a lower end pivotally supported by the first slider and pivoted back toward the indoor direction by a spring; A protruding piece protrudes from the top end of the rocking body toward the outdoors, a through hole provided in the vertical stile exterior wall of the indoor door so that the protruding piece passes through when the rocking body is rotated outdoors, and a through hole provided at the top end of the rocking body. an indoor lock consisting of an attached magnet; a second slider built into the vertical stile of the outdoor door so as to be raised and lowered by the rotation of a key inserted into the cylinder lock; , a pair of upper and lower protruding pieces into which the tips of the protruding pieces fit;
A magnet installed in the second slider to attract the magnet of the indoor lock, and a second slider installed in the vertical stile of the outdoor door.
In a lock consisting of an outdoor door engaging sickle lock piece that is interlocked to move in and out as the slider moves up and down, and an outdoor lock consisting of an outdoor door lock piece, the protrusions at the tips of both protruding pieces project inwardly from each other. A lock, further comprising a protrusion that protrudes in the vertical direction at the tip of the protrusion.