JPH09158580A - Flush bolt type lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to adjust the protruded length of a locking bar and prevent it from dropping out from the outside. by providing an engaging part where the locking bar can be fixed at an arbitrary vertical position, in a flush bolt type lock used for a gate of a garage or the like. SOLUTION: A base board 10 provided with a pierced groove 12 and a guide hole 14 is fitted to the rear face side of a door D and a locking bar 2 is arranged at the rear side of the base board 10 to freely slide. A protruded piece 32 is stuck from the block 30 fixed to the top of the locking bar 20 to the front surface of the base board 10 through the pierced groove 12 and connected to the locking structure 40 contained in the guide hole 14 by a shaft 44. Sawlike engaging parts 31, 13 are provided at the block 30 and the base board 10 and the lever 41 of the locking structure 40 is rotated in both vertical and horizontal directions to make the engaging parts 31, 13 engage or disengage and make the locking bar 20 fix or unfix. Accordingly, the protruded length of the locking bar 20 can be arbitrarily adjusted and even if there is a clearance at the lower part of the door D, the locking bar 20 can not be dropped out from the front side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock-up lock that locks doors used as gates for garages, etc., by a lock rod that moves up and down, and more specifically, unlocks by raising the lock rod from the outside. It relates to a lock-up lock that has been prevented.

[0002]

2. Description of the Related Art Doors used as gates for garages and the like are locked by raising and lowering locks. The lock-up lock is attached to the inside of the doors and is composed of a lock main body having a lock rod that moves up and down, and a receiving member that locks the lowered lock rod. The receiving member is buried in the ground at a closed position, and is locked when the lock rod descends and engages in the receiving member, and unlocks when the lock rod rises and is removed from the receiving member.

[0003]

Doors used in a garage or the like are generally placed between the bottom surface of the doors and the ground in order to prevent them from rubbing against pebbles on the ground. There are some intervals. However, if a space is provided between the bottom surface of the doors and the ground, the lock bar descending for locking is gripped by a hand or a tool from this space. Then, the lock rod can be lifted from the outside of the doors, and the lock rod is pulled out from the receiving member and unlocked. It is also conceivable to fix the lock rod extension so that the lock rod cannot be lifted from the outside, but the depth of the receiving member and the distance between the doors and the ground vary depending on the individual doors. However, there are problems that the lock rod abuts on the bottom of the receiving member and the insertion depth of the lock rod is insufficient.

Therefore, an object of the present invention is to provide a lock-up lock in which the lock bar cannot be pulled out from the outside. Another object of the present invention is to provide a lock-up lock in which the lock rod can be fixed at a desired length.

[0005]

A first means for solving the above-mentioned problems is to equip a lock main body which is attached to doors with a lock rod which moves up and down to engage with a receiving member at a lowered position. In the lock-up lock, a board fixed to the doors,
A lock-up lock characterized in that the lock body is equipped with a lock mechanism that forms an occlusal part on both joint surfaces of a block that holds a lock rod and slides on a substrate, and temporarily fixes the block to the substrate. is there.

According to the above-mentioned first means, the block is temporarily fixed by the lock mechanism so that the lock rod which is lowered and engaged in the receiving member cannot be removed from the receiving member. You can Since the temporarily fixed block and the board fixed to the door are engaged with each other by the engaging portion, it is impossible to lift the lock rod and remove it from the receiving member. In addition, the above-mentioned doors are concepts including a wing type door and a sliding door type door.

A second means for solving the above problems is a lock-up lock characterized in that the occlusal portion described in the first means is serrated.

According to the above-mentioned second means, since the occlusal portion is formed in a sawtooth shape, the height direction of the position where the lock body is attached to the door and the depth of the receiving member into which the lock rod is inserted are determined. Even with such a structure, the block, the substrate, and both bite portions can be meshed with each other.

According to a third means for solving the above problems, the substrate has a through groove, the lock mechanism has a swingable lever, and the block is arranged on one surface of the through groove of the substrate. The lever is arranged on the other surface, the block and the lever are connected to each other, and the block is pressed by the substrate by the swing of the lever so that the occlusal portion is fitted. The lock-up lock described in the means.

According to the third means, the engagement between the block and the substrate can be disengaged by the operation of rotating the lever.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a partial cross-sectional perspective view of a front surface side including a lock-up lock according to the present invention. FIG. 2 is a perspective view of the back side of the lock-up lock according to the present invention. FIG.
FIG. 3 is a cross-sectional view of a lock-up lock according to the present invention before locking. FIG. 4 is a cross-sectional view of the lock-up lock according to the present invention after locking.

In the lock-up lock according to the present invention, the lock main body attached to the doors D is fixed to the base plate 10, and the lock rod 20 is moved up and down to be engaged with the receiving member 1 attached to the lock position. And a block 30 that holds the lock bar 20 and slides on the substrate 10, and a lock mechanism 40 that temporarily fixes the block.

The board 10 is attached to a door D having a C-shaped plane, and the board 10 is fixed to the opening of the door D from the inside. That is, the back surface of the door D and the front surface of the substrate 10 are joined together. The substrate 10 has an L-shaped side surface bent toward the inside of the doors D at the bottom side, and a through hole through which the lock rod 20 penetrates is formed in the bent portion 11 at the bottom side. further,
In the central axis of the substrate 10 exposed at the opening of the doors D,
The through groove 12 is formed. On the back surface side of the substrate 10 exposed to the inside of the doors D and on both sides of the through groove 12, as shown in FIG. A guide hole 14 is formed on the front surface side of the substrate 10 to be wider than the width of the through groove 12, and the lever 41 of the lock mechanism 40 is housed in the guide hole 14.

The lock mechanism 40 is connected to the block 30 with the substrate 10 sandwiched therebetween, and the lock mechanism 40 is locked so that the block 30 is pressure-bonded to the substrate 10.
The block 30 is separated from the substrate by unlocking the block. In order to allow the block 30 to come into contact with and separate from the substrate 10, the block 30 is provided with a projecting piece 32 projecting from the through groove 12 into the guide hole 14, and the lock mechanism 40 uses this projecting piece 32 when the lever 41 Make sure to sandwich it. The lever 41 has a substantially triangular bottom side as a base end portion 43, and the base end portion 43 is bifurcated so that the protruding piece 3 of the block 30 is formed.
Sandwich 2. The base end portion 43 and the projecting piece 32 are connected by a shaft 44 so that the free end portion 45 of the lever 41 can swing. Of the corners that make up the bottom surface of the lever 41 as shown in FIG.
The distance between the lower corner 46 and the shaft 44 is longer than the distance between the shaft 44 and the bottom surface of the lever 41.

When the free end portion 45 of the lever 41 stands up as shown in FIG. 3, the base end portion 43 of the lever 41 is separated from the back surface of the substrate 10 as shown in FIG. On the other hand, lever 4
When the free end portion 45 of No. 1 is tilted as shown in FIG. 4, as described above, the distance between the corner 46 and the shaft 44 is the same as the shaft 44 and the lever 41.
Corner 46 abuts the surface of substrate 10 and axis 44 moves away from substrate 10 to attract block 30 toward the backside of substrate 10. Therefore, the block 30 is in a state of pressing the back surface of the substrate 10. Further, since the operating portion 48 of the lever 45 is sufficiently longer than the distance between the corner 46 and the shaft 44, the corner 46 acts as a fulcrum, the operating portion 48 acts as a power point, and the shaft 44 acts as a point of action.
The lever 41 functions as a lever and the block 30 with a strong force.
Is pressed against the back surface of the substrate 10, and the block 30
And crimp. When the lever 41 is tilted, the straight line connecting the shaft 44 and the corner 46 slightly exceeds horizontal and the shaft 44 is tilted slightly downward. That is, the lever 41 is tilted beyond the most tensioned state (the state where the straight line connecting the shaft 44 and the corner 46 is horizontal), so that the lever 41 is stable at that position.

In this embodiment, in order to prevent the crimped block 30 from sliding on the substrate 10, the block 30
A sawtooth-shaped occlusal portion 31 that meshes with the occlusal portion 13 of the substrate 10 is also formed on the surface that is joined to the substrate 10.

The lock rod 20 held by the block 30 is
It is assumed to have a step such that the outer diameter of the distal end side 21 is larger than the outer diameter of the proximal end side 22. When the step contacts the lower surface of the bent portion 11 of the substrate 10, the lock bar 20
Can be prevented from being completely pulled out.

The lock-up lock according to the present invention is constructed as described above, the lock main body is then attached to the doors D, and the receiving member 1 is embedded in the ground at the locking position as shown in FIG. This will be described with reference to FIG.

When the doors D that have been opened at the position where the lock rod 20 is raised are closed, the lock rod 20 and the receiving member 1 face each other. At this time, the block 30 holding the lock rod 20 meshes with the substrate 10 by the lock mechanism 40 and is temporarily fixed at the raised position. To lower the lock rod 20 for locking, the lever 41 of the lock mechanism 40 is raised to separate the block 30 from the substrate 10, as shown in FIG. Then, the occlusal part 3 of the block 30
1 and the engagement between the occlusal portion 31 of the substrate 10 are released, the protruding piece 32 of the block 30 is guided by the through groove 12, and the lock rod 2
Zero can move up and down freely. And lock stick 2
0 is lowered and the tip of the lock rod 20 is inserted into the receiving member 1. Further, as shown in FIG. 4, the lever 41 of the lock mechanism 40 is tilted, and the occlusal portion 31 of the block 30 and the substrate 1 are tilted.
The block 30 is engaged with the occlusal part 13
Lock it by temporarily fixing it to. In this embodiment, since the lock mechanism 20 can be operated at any position to engage the occlusal portion 31 of the block 30 and the occlusal portion 13 of the substrate 10, the lock rod can be adjusted according to the depth of the receiving hole. The protruding length of 20 can be set to an arbitrary length and fixed.

There is a relatively large space on the lower surface of the doors D, and the lock bar 20 is received by the hand 1 or a tool.
Even if an attempt is made to raise the lock rod 20 in order to remove it, the lock rod 20 cannot rise because the block 30 holding the lock rod 20 meshes with the substrate 10 and is temporarily fixed. Therefore, there is a relatively large space on the lower surface of the doors D, and the lock bar 20 cannot be unlocked even if it can be grasped from the outside.

When unlocking the doors D to open them,
The lever 41 of the lock mechanism 40 is raised and the block 30
By releasing the temporarily fixed state of the board 10 and raising the block 30, the tip of the lock rod 20 is pulled out from the receiving member 1.

The present invention is not limited to the above-mentioned embodiment, and the design can be changed within the scope of the present invention. For example, the occlusal part is not limited to the saw-tooth shape, but may be composed of a large number of small wart-shaped protrusions and a large number of small recesses that engage with the protrusions. Also, a general locking mechanism can be used. Further, the above-mentioned lock-up lock is a type that is housed in a C-shaped frame when viewed in plan, but can also be applied to a type in which the lock bar is exposed.

[0023]

According to the lock-up lock of the present invention, the block holding the lock bar and the base plate to which the block is joined are engaged with each other by the engaging portion, so that the lock bar does not move up when locked. You can Therefore, even if there is a space in the lower surface of the door such as in a garage, it is impossible to grip and raise the lock bar with a hand or a tool from the space. That is, since the locked state can be secured, security is improved. Further, according to the present invention, it is possible to arbitrarily set the protruding portion on the lock rod according to the depth of the receiving hole and to fix the lock rod at the position.

Further, according to the lock-up lock of the second aspect, the lock bar can be temporarily fixed at an arbitrary position by forming the occlusal portion into a sawtooth shape. Therefore, the above effects of the present invention can be exerted without being restricted by the mounting position of the lock body and the depth of the receiving member.

[Brief description of the drawings]

FIG. 1 is a partial sectional perspective view of a surface side including a lock-up lock according to the present invention.

FIG. 2 is a perspective view of the back side of the lock-up lock according to the present invention.

FIG. 3 is a sectional view of the lock-up lock according to the present invention before locking.

FIG. 4 is a cross-sectional view of the lock-up lock according to the present invention after being locked.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Receiving member 10 Substrate 13 Interlocking part 20 Lock bar 30 Block 31 Interlocking part 40 Lock mechanism

Claims (3)

[Claims] Claim: What is claimed is: 1. In a lock-up lock equipped with a lock body that is lifted up and down and engaged with a receiving member at a lowered position, which is provided in a lock main body, which holds a base plate for fixing to a door and a lock bar. The lock-up lock is characterized in that the lock main body is provided with a lock mechanism for temporarily fixing the block to the substrate by forming occlusal portions on both joint surfaces of the block that slides on the substrate. 2. A lock-up lock characterized in that the occlusal portion according to claim 1 has a sawtooth shape. 3. The substrate has a through groove, the lock mechanism is provided with a swingable lever, the block is arranged on one surface of the through groove of the substrate, and the lever is arranged on the other surface. ,
The lock-up lock according to claim 1 or 2, wherein the block and the lever are connected to each other, and the block is pressed against the substrate by the swing of the lever so that the occlusal portion is fitted.