JPH033617Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a locking device for locking a partition pile at a position raised from an underground foundation pipe, and its purpose is to easily lock the locking pin of the partition pile. The object of the present invention is to provide a locking device that can be engaged and disengaged.

[Conventional technology and its problems]

In parking lots and other areas, removable partition stakes are arranged facing the road. This partition pile 1 is made of pipe, and a chain 3 is hung on a metal fitting 2 at the top end as shown in Fig. 1.The partition pile 1 is placed in a foundation pipe 4 buried in the ground so that it does not appear on the ground, and when necessary, the partition pile Pull up the chain 3 on the road side of the parking lot.
By the way, after the conventional partition pile is pulled up from the foundation pipe 4, a locking pin (not shown) is inserted near the ground.
By locking this with a padlock to prevent it from falling out, the partition pile 1 is prevented from falling unnecessarily. However, when a large number of partition stakes are lined up, it is troublesome to insert locking pins one by one and lock the padlocks.

[Structure of the idea]

In this invention, the locking pin of the partition pile is inserted into the recess of the locking tube fixed to the top end of the foundation pipe, and the locking tube and the locking pin are used to lock the partition pile in the pulled-up position. A horizontal hole is drilled in the seat plate to accommodate the locking pin and return spring, and a direct-acting cam that makes the locking pin protrude from the partition stake is inserted vertically into the rear of the horizontal hole, and the partition stake is inserted above the seat plate. Attach a tumbler lock to the tumbler lock and drill a window hole opposite it into the partition stake.
A lifting piece linked to the plug of a tumbler lock is connected to a direct-acting cam, and a locking hole is drilled in the locking tube to receive the tip of the locking pin when the partition stake is locked in the raised position and the locking pin is protruded. By simply turning the key on the tumbler lock, the locking pin can be moved forward and backward to engage and disengage from the locking hole in the locking tube, and the partition stake can be locked in the pulled-up position or unlocked with an extremely simple operation. We have developed a device that can do this.

[Example] First, the locking member of the partition pile will be explained with reference to FIG. 2. This locking member is fixed to the thick locking tube 5 fixed to the top end of the foundation pipe 4 and the lower part of the partition pile 1. It consists of a locking pin 11, and the locking cylinder 5 is connected to the base pipe 4.
Fit it tightly into the top end and fix the top collar 6 with several screws 7, cut out eight-shaped notches 8 from the lower edge, cut side grooves 9 at the top of each notch, and insert the side grooves 9 under the deep end. A semicircular recess 10 is provided on the edge, and a locking pin 11 is pierced through the lower end of the partition pile 1. When the partition pile 1 equipped with such a locking pin 11 is pulled up fully, the locking pin enters the notch 8 of the locking cylinder and reaches its top end. At this point, when the partition pile is slightly twisted and released, the locking pin 11 fits into the recess 10 through the side groove 9, and the partition pile is locked in the raised position by the locking cylinder 5 and the locking pin 11.

Figures 3 to 6 show an example of the locking device according to the present invention, in which the main body, a thick seat plate 12, is made into an oval shape, and protrusions 13, 13 are provided on the top and bottom of the front surface.
These side edges 14, 14 are hemmed diagonally to make it easier to follow the inner peripheral surface of the partition pile, and this seat plate is placed under the partition pile 1 and arranged on the diameter line, and the projections 13,
13 with screws 15, 15 to fix the seat plate 12 to the partition pile. 16 is a round horizontal hole cut out in the seat plate 12, and narrow square holes 17, 17 are cut in the seat plate 12 above and below the rear of this horizontal hole, and a direct-acting cam 18 having a concave portion 18a and a convex portion 18b is formed. Square holes 17, 17
into the rear part of the horizontal hole 16 in the vertical direction.
Reference numeral 19 denotes an elongated connecting piece, which is made integrally with the direct-acting cam 18 and protrudes upward for a long time.As the connecting piece 19 moves up and down, the direct-acting cam 18 tilts a little to form a recess 18a of the cam.
and the convex portion 18b is moved in and out of the rear part of the horizontal hole 16.

Reference numeral 20 denotes a locking pin with round edges on both ends, which is inserted into the horizontal hole 16 of the seat plate together with the return spring 21, and the rear end is pressed against the direct-acting cam 18, and when the recess 18a of the cam enters the horizontal hole, the lock is locked. The locking pin 20 is pushed by the return spring 21 and retracts into the seat plate, and when the protrusion 18b of the cam enters the horizontal hole, the locking pin 20 is pushed by this protrusion and exits from the through hole 22 of the partition pile 1. stand out. S is a cylinder lock that is housed in the partition pile 1 above the seat plate 12, and holding pieces 24, 24 having a U-shaped cross section are protruded from the rear end of the cylinder case 23, and a guide groove 2 in the vertical direction is provided.
5, protrusions 26, 26 are provided on the upper and lower front surfaces of the cylinder case, and these side edges 27, 27 are diagonally edged to make it easier to follow the inner surface of the partition pile,
The cylinder case 23 is fixed to the partition pile 1 by tightening the projecting pieces 26, 26 with screws 28, 28.

30 is a plug that fits into the cylinder case 23. A window hole 32 is bored in the front of the partition pile 1 opposite to the key hole 31 with a shutter on the front, and a short square shaft 29 at the rear end is inserted into the rear end of the cylinder case. into the guide groove 25. 33 is a small disc placed in the guide groove 25, and the square shaft 29 of the plug is inserted into the core hole drilled in the recess in the center.
are fitted and joined together with screws 34, and the thickness of the disc 33 is determined so as to leave a small margin in the guide groove 25.
A short pin 35 is installed at an eccentric position on the back surface of this disc. Reference numeral 36 denotes an elevating piece inserted into the guide groove 25. The eccentric pin 35 of the disk is engaged with the horizontal notch 37 provided in the midsection, and the cut-and-raised piece 38 at the lower end is inserted into the pin 3.
9 loosely connects the direct-acting cam 18 and the integral connecting piece 19. When the partition pile 1 is pulled up and locked with the locking cylinder 5 and the locking pin 11, a locking hole 40 is bored in the locking cylinder 5 opposite to the locking pin 20. Note that a window hole 32 bored in the lower part of the partition pile 1 opposite to the key hole 31 is also shown in FIG.

One embodiment of the device of the present invention has the above configuration,
When the partition pile 1 is housed in the foundation pipe 4, the recess 18a of the direct-acting cam enters the horizontal hole 18 of the seat plate,
A locking pin 20 is recessed into the seat board. In this state, pull up the partition pile 1 and insert the locking pin 11 into the top end of the notch 8 in the locking tube, then twist the partition pile slightly to fit the locking pin into the recess 10 in the side gutter, and engage it with the locking tube 5. The partition pile 1 is locked in the pulled-up position by the stop pin 11. Next, a key (not shown) is inserted into the key hole 31 through the window hole 32 of the locking cylinder, and the plug 30 of the cylinder lock is turned by 180 degrees using this key, and the key is pulled out. When the plug rotates, the lifting piece 36
is pushed down by the eccentric pin 35 of the disc, and the continuous joint piece 19
At the same time, the direct-acting cam 18 descends to cause the convex portion 18b to enter the horizontal hole, and this convex portion pushes the locking pin 20 and causes it to protrude from the through hole 22 of the partition pile. As a result, the tip of the locking pin enters the locking hole 40 of the locking tube, so that the partition pile 1 is coupled to the locking tube by the locking pin 20 and locked in the pulled-up position.

When inserting the partition pile 1 into the foundation pipe 4, use the key hole 3.
1, the plug 30 is turned 180 degrees in the opposite direction, the elevating piece 36 is raised by the disc 33, and the recess 18a of the direct-acting cam enters the horizontal hole 16 of the seat plate. When this recess enters the horizontal hole, the return spring 21
As a result, the locking pin 20 sinks into the seat plate, and its tip is pulled out from the locking hole 40 of the locking cylinder, so that the partition stake 1
The lock will be released. Then, the partition pile is slightly lifted and twisted, and the locking pin 11 is inserted into the top end of the notch 8, and the partition pile 1 is gradually lowered.

The above shows one embodiment of the present invention, and the present invention is not limited to this embodiment, and the design can be changed within the gist of the invention. For example, cylinder lock S
An electronic lock may be used instead (both are collectively referred to as a tumbler lock), and the direct-acting cam 18 may be a simple inclined cam. The seat plate 12 may be made into a disk shape. Furthermore, if the connecting piece 19 is made longer, the position of the cylinder lock becomes higher, making operation even more convenient.

[Effect of idea]

In this invention, the locking pin of the partition pile is inserted into the recess of the locking tube fixed to the top end of the foundation pipe, and the locking tube and the locking pin are used to lock the partition pile in the pulled-up position. , a horizontal hole is drilled in the seat plate fixed to the lower part of the partition pile, a locking pin and a return spring are housed therein, and a direct-acting cam that causes the locking pin to protrude from the partition pile is inserted vertically into the rear of the horizontal hole, Attach a tumbler lock to the partition stake above the seat board, drill a window hole facing it in the partition stake, connect the elevating piece that is linked to the plug of the tumbler lock to a direct drive cam, and lock the partition stake in the raised position. A locking hole is drilled in the locking tube to receive the tip of the locking pin when it is protruded.Simply by turning the key of the tumbler lock, the locking pin can be moved forward or backward into the locking hole of the locking tube. Since the partition pile can be locked and unlocked, it is possible to lock or unlock the partition pile in the raised position with an extremely simple operation, and the key hole of the tumbler lock is located on the side of the partition pile, making it difficult for rainwater to enter. It has the effect of not breaking down over a long period of time, and is suitable for locking partition piles. In addition, if the seat plate is made horizontally long and upper and lower protrusions are provided on the front surface of the seat plate and the front of the tumbler lock case, and these protrusions are fixed to the partition stakes with screws, it can be attached to several partition stakes with different diameters. Since the seat plate and tumbler lock of the same size can be attached as is, it has the advantage of reducing production costs.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing the arrangement of partition piles, Fig. 2 is a front view of the locking member of the partition pile, Fig. 3 is a front view showing an embodiment of the present invention, and Fig. 4 is a side view of the embodiment. 5 is a sectional view taken along line BB in FIG. 4, and FIG. 6 is a rear view of the embodiment. Note that 1 is a partition pile, 4 is a foundation pipe, 5 is a locking pipe,
10 is the recess, 11 is the locking pin, 12 is the seat plate,
13 is the protrusion, 16 is the horizontal hole, 18 is the direct drive cam,
20 is a lock pin, 21 is a return spring, S is a tumbler lock, 23 is its case, 26 is its protrusion, 30 is a plug, 31 is a key hole, 32 is a window hole, 36 is a lifting piece, 40 is a lock It is a hole.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A locking cylinder is fixed within the top end of a foundation pipe to be buried underground, and a pipe partition pile with a locking pin pierced at the lower end is placed in the foundation pipe, For partition piles in which the locking pin is placed in a recess in the locking cylinder and locked in the pulled-up position, a horizontal hole is drilled in the seat plate fixed to the bottom of the partition pile, the locking pin and return spring are housed, and the locking pin is Insert the direct-acting cam protruding from the partition pile vertically into the rear of the horizontal hole, attach the tumbler lock to the partition pile above the seat plate, drill the window hole opposite to it in the partition pile, and plug the tumbler lock. The locking pipe is characterized in that an elevating piece that moves vertically is connected to a direct-acting cam, and a locking hole is bored in the locking tube to receive the tip of the locking pin when the partition pile is locked in the raised position and the locking pin is projected. Partition pile locking device. (2) The partition pile described in Paragraph 1 of the utility model, in which the seat plate is made in an oblong shape, upper and lower protrusions are provided on the front surface of the seat plate and the front of the tumbler lock case, and these protrusions are fixed to the partition pile with screws. Locking device.