JPS5847176Y2 - Pin cylinder lock for sliding doors - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a pin cylinder lock that is configured to be able to be attached to and removed from a sliding door.

Conventionally, so-called screw tightening was often used for sliding doors, but for screw tightening, a hole with a diameter larger than a screw rod is drilled in the overlapping part of the locking part, and a screw rod fixing device is inserted into the hole in the front sliding door. In addition to fitting and fixing this to the surface with screws, it is also necessary to position an auxiliary object in the hole of the rear sliding door and secure it with screws, which is not only troublesome but also requires work on site. Moreover, the pull bar was exposed on the front sliding door, making it impossible to lock showcases and furniture.

In addition, the pin cylinder lock has a complicated pin storage structure and is expensive. Furthermore, it is not configured to be lockable and detachable from at least the rear sliding door, so it is not used for simple sliding doors. It wasn't.

In view of the above circumstances, the present invention aims to provide a pin cylinder lock that can be used for sliding doors of showcases and furniture, which has a simplified structure and eliminates the need for troublesome installation work.

Hereinafter, the present invention will be explained based on an illustrative embodiment.

A is the lock body, and b is the key.

The lock body a consists of a cylindrical outer cylinder 1 and a rotating body 2 rotatably inserted into the outer cylinder.

The outer cylinder 1 has a through storage chamber 3 that is open at both ends, and has a base end 4.
A locking protrusion 5 is provided in the axial direction from the outside of the locking protrusion 5, and a notch 7 for cutting out the tip 6 in the circumferential direction from the same side of the locking protrusion 5 is provided at a distance.

Reference numeral 8 denotes a plurality of pin storage holes that are bored inside the locking protrusion 5 and open to the penetrating storage chamber 3, and each pin storage hole 8 is provided with a spring 9.
Then, the drive pin 10 is housed.

Reference numeral 11 denotes a hole drilled in the outer cylinder 1, into which a positioning pin 12 is implanted.

The rotating body 2 has a cylindrical shape that can be inserted into the through storage chamber 3 of the outer cylinder 1, and has a keyhole 13 corresponding to a key in its base end face up to a predetermined position in the axial direction, and the keyhole 13 is fitted into the cylindrical shape. A plurality of pin insertion holes 14 are provided perpendicularly to the cylindrical peripheral surface from the joint portion 13a, and a pressing pin 15 is inserted into each of the pin insertion holes 14. Insert.

On the other hand, a lock bolt 16 is integrally provided at the tip of the rotary body 2 and projects from the notch 7 of the outer cylinder 1 and projects from the notch 7 to the outside of the outer cylinder.

The lock bolt 16 is disposed at a desired angle in the circumferential direction with respect to the pin insertion hole 14, for example, 90°, and the cutout angle of the cutout portion 7 is similarly set to 90'.

The locking bolt 16 allows rotation of the rotating body 2 from above the same side of the locking protrusion 5 to 90' in the circumferential direction of the notch, and an unlocked position is formed on the same side, and a locked position is formed on a different circumferential direction. The location is configured.

Although not shown, the lock bolt 16 may be disposed on the same side as the pin insertion hole 14, and the cutout angle of the cutout portion 7 can be changed as desired.

Further, the lock bolt 16 is provided to protrude lower than the locking ridge 5, and a gap 17 between the locking ridge 5 and the locking ridge 5 constitutes a locking space.

Reference numeral 18 denotes a positioning groove provided in an annular shape along the circumferential direction of the rotating body 2, and is engaged with the positioning pin 12.

In addition, C1 and C2 are sliding doors for showcases etc. made up of glass plates 19 and 20, and the glass plates 19 and 19 at the corners of the overlapped sliding doors
．． 20 are cut symmetrically, and U-shaped holding plates 21 and 22 with mounting holes 23 and 24 pre-drilled on both sides of each glass plate near the cut point are closely attached to each other, thereby forming a hollow space 19.
a, 20a and the glass plate 19 before cutting.
．． It has approximately the same external shape as 20.

The mounting hole 23 is formed large enough for the outer cylinder 1 and the protrusion 5 to pass through, the mounting hole 24 is formed so that the outer cylinder 1 and the lock bolt 16 pass through, and the tip of the protrusion 5 passes through the mounting hole 24. It is formed so that it collides with the surface of the holding plate 22 without being able to do so.

In the figure, 25 is an axle mounting hole, and 26 is a wheel.

In such a lock body a, in the locked position, the pin insertion hole 14 and the pin storage hole 8 communicate in a straight line, the lock bolt 16 is located in a different circumferential direction with respect to the locking protrusion 5, and both are 5.16 mm apart. Gap 1
At 7, insert the sliding doors C1 and C2.

In the locked position, the key can be pulled out by pressing the pressing pins 15 to the pin storage holes 8 with the fitting protrusions b1.

By removing the tab, the drive pins 10 are pressed by the springs 9 and are inserted into the pin storage holes 8.
. . , its tip faces the pin insertion hole 14 . . . to form a locked state.

In this case, the pressing pins 15... are the drive pins 10.
. . . and is positioned in the pin insertion hole 14 .

In the unlocked position, the locking protrusion 5 and the lock bolt 16 are located on the same side, and the pin storage hole 8 and the pin insertion hole 14 are moved to different positions. do.

The drive pin 10... has its tip end surface regulated by the circumferential surface of the rotating body 2, and is stored in the pin storage hole 8... with the spring 9... compressed. Ru.

The pressing pin 15... passes through its base end surface into the storage chamber 3.
It is regulated by the inner wall of the pin insertion hole 14 and is located in the fitting valley b2 of which locks the tip surface.
...is regulated.

In the unlocked position, the key cannot be removed, and the lock body a and the key are removed together from the sliding doors C1 and C2.

When manufacturing the lock main body a, (1) insert the rotating body 2 into the penetrating storage chamber 3 of the outer cylinder 1 from its tip 6 to its base;

The locking bolt 16 engages with the notch 7 of the rotary body 2, and the rotary body 2 is placed in a proper insertion position.

■Next, if the positioning pin 12 is inserted into the hole 11 of the outer cylinder 1, the tip of the positioning pin 12 will be locked in the positioning groove 18 of the rotating body 2, preventing the rotating body 2 from being pulled out, and also preventing the rotating body 2 from being removed. Rotation is allowed.

■After that, the pins 15 and 10 and the springs 9 are installed in the pin storage hole 8 and the pin insertion hole 14, respectively, and the pin storage hole 8...
It is easily manufactured by simply closing the...

Next, the function and method of use of the present invention will be explained.

■ Attaching to the sliding door Insert the lock body a in the unlocked position from its tip to the sliding door C on the front side.
1, the lock bolt 16 passes through the mounting hole 23 and is inserted until the tip of the protrusion 5 abuts the surface of the clamping plate 22 around the mounting hole 24 of the rear sliding door C2. ,
This completes the attachment of the lock body a.

In this case, the base end surface of the lock body a and the surface of the front sliding door C1 are mounted on substantially the same plane.

■ When the lock is attached, if you turn the key clockwise in the diagram,
As the rotating body 2 rotates, the lock ports 1 to 16 rotate until they are regulated by one end 7a of the notch 7, and are engaged with the back side of the rear sliding door C2 and locked.

At the locked position, the key is removed from the keyhole 13 to form a locked state.

■ To unlock/unlock, insert the key into the keyhole 13, and the fitting valleys b2 press the pressing pins 15, respectively, and the springs 9... Drive pin 10.
.. is pushed back into the pin storage hole 8.
Drive pin 10... is pin insertion hole 14...
・The device will be released and the lock will be released.

In this state, if you turn the key counterclockwise, the lock bolt 1
6 is regulated by the other end 7b of the notch 7 on the same side as the locking protrusion 5 and stops.

In this state, the locking bolt 16 and the locking protrusion 5 are located on the same side, so that they can be removed from the mounting holes 23 and 24 of the sliding doors C1 and C2.

In FIG. 4, the locking protrusion 5 is positioned on the rear side of the clamping plate 21, and the locking bolt 16 is positioned on the front side of the clamping plate 22, so that the hollow space 19a of the sliding doors C1, C2 is closed.

20a and an embodiment in which it is sandwiched between the pull speed gap and the pull speed gap are shown.

In this case, the lock body a can be stored in the hollow space and is not exposed at all from the sliding doors C1 and C2.

Further, by forming a tapered surface 27 on the insertion end surface of the lock bolt 16, the tightening force on the tapered surface 27 can be effectively applied as the lock bolt 16 rotates clockwise.

Although not shown, the lock bolt 16 may be inserted from the rear side of the rear sliding door C2.

Therefore, according to the present invention, it is possible to provide a pin cylinder lock that can be used for sliding doors by simply drilling a mounting hole without requiring the conventional mounting hole alignment or mounting/fixing work, and when locking, It is possible to completely lock the sliding door by inserting the sliding door between the locking protrusion and the lock bolt and passing the pin storage hole and the pin insertion hole directly.When unlocking, the locking protrusion and lock bolt must be It is located on the same side and can be easily removed from the mounting hole.

That is, the notch has a predetermined notch width in the circumferential direction of the outer cylinder, and the lock bolt can protrude from the notch and move in the notch width direction,
In the locked position, the pin storage hole and the pin insertion hole are locked in a straight line by the contact between the lock bolt and one circumferential end of the notch, and in the unlocked position, the lock bolt and the other circumferential end of the notch make contact and lock. Since the lock bolt and the locking protrusion are located on the same side and can be inserted into and removed from the mounting hole of the sliding door, the rotation range of the rotating body relative to the outer cylinder is limited to the cooperation between the lock bolt and the notch. regulated by the government, locked and
Unlocking operations can always be performed accurately.

Therefore, it can be used for simple sliding doors for showcases, furniture, etc.

In addition, it has an extremely simplified structure consisting of an outer cylinder and a rotary body, and can be manufactured through a simple manufacturing process, and there is no need for hardware to attach it to the sliding door, so it has the advantage of being inexpensive. be.

[Brief explanation of drawings]

The drawings show an embodiment of the cylinder lock for a sliding door according to the present invention, FIG. 1 is an exploded perspective view of the same, FIG. 2 is a perspective view of the same showing the locked state, and FIG. 3A is a mounting structure of the sliding door. FIG. 4 is a front view of the same, FIG. 4 is a sectional view of the same part showing the unlocked and locked states, and FIG. A...Cylinder lock body, b...Key,
C1゜C2...Sliding door, 1...Outer cylinder,
2... Rotating body, 5... Locking protrusion, 7...
...Notch, 8...Pin storage hole, 10.
... Drive pin, 12 ... Positioning pin,
13...Keyhole, 14...Pin insertion hole,
15...Press pin, 16...Lock pin)
, 19°20...Glass plate, 23.24...
···Mounting holes.

Claims (1)

[Scope of utility model registration request] The outer cylinder has a notch portion having a predetermined notch width in the circumferential direction at the distal end thereof, and a proximal end spaced apart from the notch portion. A locking protrusion is provided, and a pin storage hole is bored in the locking protrusion, and the rotating body is provided with a lock bolt at its tip that protrudes from the notch and can move in the width direction of the notch, and is provided at its base end. Drill a pin insertion hole perpendicular to the keyhole, and in the locked position, the lock bolt and one circumferential end of the notch form a straight line and lock the pin storage hole, and in the unlocked position, the lock bolt A pin cylinder lock for a sliding door, in which the locking bolt and the locking protrusion are positioned on the same side by contact with the other end in the circumferential direction of the notch, so that the pin cylinder lock can be inserted into and removed from the mounting hole of the sliding door.