JPH09143942A - Chain locking key for column of car fastening fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chain locking key which can generate locking simply, hindering disengagement even though the chain is swung by any human deed, wind, etc., and can be disengaged if applicable through a simple operation. SOLUTION: The foremost part of a metal piece 2 is bent 21 toward the inside of a column 3 of a car locking fence on the chain hitching side and the protrusion 41 at the tip is inserted through a hole provided for a screw 5 in the base end 43 of a hook 4. A threaded hole is furnished at the base end of the metal piece, and a hook guide plate 22 is provided on each side of the metal piece, and a coil spring is fitted on the screw upon overlapping the hook on the metal piece. The tip of the screw is inserted into the through hole and driven into the threaded hole, and the metal piece is secured to the inside of a hole 31 at the tip of the chain. Operating holes 24, 32 are furnished in the middle part of metal piece and the fence column in contact therewith, and the bend of the metal piece due to protrusion of the hook is made practicable to be opened and closed from outside through the operating holes.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chain lock key for a brace post for preventing the end of a chain from being easily pulled out from a chain tip insertion hole in a brace post on a chain hook side for locking the end of a chain. It is about.

[0002]

2. Description of the Related Art Conventionally, there has been no lock device for locking a chain tip drawn out from a chain storage side wheel stop fence post to a chain hook side wheel stop fence post.

[0003] The end of the chain is hooked on the chain-stopping fence post on the chain, by hooking it on a hook provided on the chain-holding fence post, or on the ring of the hanging-side fence post and on the chain tip. They were locked with padlocks intervening.

[0004]

With the conventional chain hook-side fence post provided on the chain-holding fence post, the chain tip is hung easily, even if the chain tip is hung by man or by wind. Had been released. Further, in the case of fixing the ring provided on the chain hanging side fence post to the end of the chain with a padlock interposed therebetween, it is less likely that the chain will be released by human operation or even by the shaking of the chain. However, in order to release the padlock, it is necessary to release the padlock with a key suitable for the padlock, and there is a problem that the release is troublesome, for example, it cannot be released without the key.

According to the present invention, the hook of the chain is simple,
An object of the present invention is to provide a chain lock key for a brace post that can be easily released by a simple operation when the lock is not easily released even if the chain is shaken by the wind or the like due to human operation or wind.

[0006]

SUMMARY OF THE INVENTION To solve this problem, the present invention is directed to an inside of a chain tip insertion / extraction hole of a chain-holding-side wheel stop fence post for hooking a chain end, and in a direction toward the inside of the wheel stop fence post. A tip is bent, and a metal fitting is provided so as to lock the hook hole of the drawer at the tip of the chain at the bent part.

[0007] A hook is provided such that the distal end thereof closes a curved portion of the metal fitting, and the distal end of the hook can swing at the base end of the metal fitting toward the inside of the brace post and always has the distal end. Closes the curved portion of this fitting.

[0008] The tip of the hook from the outside of the bollard post opens the blockage in the curved portion of the bracket.

In order to make the metal fitting and the hook swingable, a metal fitting having a curved end portion is provided in the direction of the inside of the chain-holding brace post, and the curved portion of the metal fitting is closed at the tip end. Is provided.

[0010] An insertion hole for passing a screw is provided at the base end of the hook, and a screw hole for screwing with the screw is provided at the base end of the bracket.
Hook guide plates are provided on both sides of this fitting.

Further, a hook is superimposed on the metal fitting, a coil spring is inserted into the screw, and the tip of the screw passes through the insertion hole of the hook and is screwed into a screw hole at the base end of the metal fitting. Fix this bracket inside the chain tip insertion hole of the side bail post.

An operation hole is provided in the middle portion of the bracket and the brace post which is in contact with the middle portion of the brace, and an intermediate portion of the hook is pressed from outside of the brace post with the rod-like object through the operation hole. The opening of the curved portion of the metal fitting by the tip can be freely opened.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a chain lock key for a car stop fence post according to the present invention.

FIG. 1 is a longitudinal sectional view of a main part of a car stop fence post on a chain hooking side before a chain tip is hooked, FIG. 2 is a plan view of a main part of a chain tip, FIG. FIG.
Is a sectional view taken along line AA of FIG. 3, and FIG. 5 is a plan view of the chain stopper key. FIG. 6 is a cross-sectional view of a main part of a chain-stop-side wheel stop fence post and a chain tip after the chain tip is hooked.

The chain 1 is provided with a disk-shaped drawer 11 at the end thereof, and the metal 11 is moved from a well-known chain storage side brace post (not shown) for storing the chain 1.
A hook or the like is hooked on a hooking hole 12 formed in the metal fitting 11 so as to be freely drawn out.

The metal fitting 2 whose tip is curved is
1 is fixed by welding or the like to the inside of the chain tip insertion / extraction hole 31 of the wheel stop fence post 3 in such a manner as to come inward of the chain stop side fence post 3. The hook 21 of the drawer 11 at the tip of the chain 1 is engaged with the curved portion 21 of the metal 2.

A protruding portion 41 is formed at the distal end of the bracket 2 at the distal end so as to close the curved portion 21 which is curved inward at the distal end of the metal fitting 2 on the retaining side. A hook 4 is provided. As shown in FIGS. 1, 4 and the like, the projecting portion 41 has a U-shape in which one end into which the tip of the curved portion 21 of the metal fitting 2 is fitted is open. It may be.

Further, a tip end portion of the protrusion 41 is formed with an inclined surface 42 which is inclined downward so as to receive the drawer fitting 11 inserted into the insertion hole 31 of the hook side vehicle stop fence 3. .

Hook guide plates 22, 22 are provided on both sides of the metal fitting 2, and the hook 4 is hooked on the metal fitting 2 so that the bent portion 21 of the metal fitting 2 having a bent tip fits into the projection 41 of the hook 4. 4 is superposed and arranged.

The screw 5 has a compression coil spring 6
The base end portion 43 of the hook 4 in which the tip is superposed on the metal fitting 2
Through the through hole 44 formed in the base 2 of the metal fitting 2.
3 is screwed into the screw hole 51 drilled. The compression coil spring 6 is attached to the screw head 52 of the screw 5 and the insertion hole 4 of the hook 4.
The metal fitting 2, the hook 4, the screw 5, and the compression coil spring 6 are used as a chain lock key 7 by interposing around the periphery of the chain 4.

The projecting portion 41 at the tip of the hook 4 swings inward of the chain-stopping brace post 3 around the base of the hook 4 at the base end of the metal fitting 2 against the elasticity of the spring 6. Then, the closing of the curved portion 21 of the metal fitting 2 is opened. On the other hand, the elasticity of the spring 6 makes it possible for the base end of the metal fitting 2 to swing outward around the base end of the hook 4 toward the outside of the chain-holding bail post 3 to close the curved portion 21 of the metal fitting 2. I do.

At this time, the hook 4 swings while being guided by hook guide plates 22 provided on both sides of the metal fitting 2.

Further, an operation hole 24 is bored in the middle portion of the metal fitting 2, and an operation hole 32 which overlaps with the operation hole 24 is formed at a position of the chain hooking side vehicle stop fence 3 located in the middle portion of the metal fitting 2.
Drilling.

Further, the intermediate portion of the hook 4 is pressed by an arbitrary rod-shaped member through the operation hole 24 of the metal fitting 2 through the operating hole 32 from the outside of the chain retaining fence post 3 to hold the hook 4 to the metal fitting 2. At the base end, the hook 4 is swung inward about the base end of the hook 4 on the side of the chain-stopping bail post 3. This swing releases the blockage of the curved portion 21 of the metal fitting 2 at the projecting portion 41 of the hook 4, and pulls out from the curved portion 21 of the metal fitting 2 so that the locking hole 1 of the metal fitting 11 is formed.
2 is opened to allow the draw-out fitting 11 at the tip of the chain 1 to be stored in the bail post on the chain storage side.

The attachment plates 25, 25 provided on both sides from the base end to the middle part of the metal fitting 2 having a curved distal end are formed by, for example, welding the metal fitting 2 to the inner surface of the chain-stop-side car stop fence post 3. This is for stably abutting the metal fitting 2 on the inner surface of the bollard post 3 when fixing.

In using the chain lock key 7, the chain 1 is pulled out from the chain storage side wheel stop fence post with the disk-shaped draw-out fitting 11, and the drawer 11 is inserted into the insertion hole 31 of the chain lock side wheel stop fence post 3. I do. Then
The tip of the drawer 11 comes into contact with the inclined surface 42 at the tip of the protrusion 41 of the hook 4 and presses the inclined surface 42. The projecting portion 4 of the tip of the hook 4 resists the elasticity of the compression coil spring 6 interposed around the screw head 52 of the screw 5 and the insertion hole 44 of the hook 4.
1 is swung inward at the base end of the metal fitting 2 around the base end of the hook 4 on the side of the chain-stopping brace post 3. This swing releases the blockage of the curved portion 21 of the metal fitting 2 by the projecting portion 41.

At this time, the chain 1 in the state shown in FIG.
The lead-out fitting 11 at the distal end is provided with a protrusion 41 at the distal end of the hook 4.
6 slides on the inclined surface 42 in accordance with the rocking, and the hook hole 12 of the drawer fitting 11 is hooked on the curved portion 21 of the fitting 2 as shown in FIG.

When the hook hole 12 of the drawer 11 is engaged with the curved portion 21 of the fitting 2, the pressing of the inclined surface 42 by the drawer 11 is stopped as shown in FIG. As a result, the projecting portion 41 of the hook 4 is swung out of the chain hooking side brace post 3 around the base end of the hook 4 at the base end of the fitting 2 by the elasticity of the compression coil spring 6, and the tip end of the fitting 2 The curved part 21 of the part is closed.

In this manner, the hook hole 12 of the pull-out fitting 11 at the tip of the chain 1 pulled out from the bail post on the chain storage side.
Can be hung on the curved portion 21 of the metal fitting 2 whose tip is fixed to the chain-hanging-side wheel stop fence post 3. Then, the chain 1 is hung from the car stop fence post 3 on the chain storage side to the car stop fence post 3 on the chain hook side.

Next, when the chain 1 hung from the chain storage side car stop fence post 3 is detached from the chain storage side car stop fence post 3, the operation hole 32 is opened from the outside of the lock side car stop fence post 3.
, An arbitrary bar-shaped object is inserted, and the intermediate portion of the hook 4 is pressed through the operation hole 24 of the metal fitting 2.

Then, the hook 4 is inserted into the insertion hole 44 of the base end 43.
Of the hook 4 against the resilience of the compression coil spring 6 interposed between the periphery of the screw 5 and the screw head 52 of the screw 5, the hook 41 at the base end of the metal fitting 2 centering on the base end of the hook 4. It swings inward of the pillar 3.

By this swing, the protruding portion 41 of the hook 4 closes the end of the bent portion 21 of the metal fitting 2 and releases the hook 12 from the bent portion 21 of the metal fitting 2. Then, the tip of the chain 1 is opened from the pillar 3 on the side where the chain is locked.

[0033]

According to the present invention, the pull-out fitting at the tip of the chain can be locked by using the lock key of the bollard post of the present invention. And, just like fixing the chain tip to the hook on the chain hanging side bollard fence post,
It is possible to eliminate the danger that the hook at the tip of the chain is easily released even if the chain is shaken due to the wind or the like due to human beings.

Further, when releasing, it can be released by a simple operation using an arbitrary bar-shaped object, so that it is not necessary to prepare a specific key for each opening and closing, and opening and closing is facilitated.

[Brief description of the drawings]

FIG. 1 is a vertical cross-sectional view of a main part of a chain stop fence post before a chain tip is hooked.

FIG. 2 is a plan view of a main part of a chain tip.

FIG. 3 is a side view of a chain lock key.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a plan view of the chain stopper key.

FIG. 6 is a cross-sectional view of a main part of a chain-stop-side wheel stop fence post and a chain tip after the chain tip is hooked.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Chain 11 Pull-out fitting 12 Hook hole 2 Metal fitting with a curved end 21 Curved portion 22 Hook guide plate 23 Base end 24 Operation hole 25 Attached plate 3 Hook-side detent fence post 31 Insertion hole 32 Operation hole 4 Hook 41 Projection Part 42 Inclined surface 43 Base end 44 Insertion hole 5 Screw 51 Screw hole 52 Screw head 6 Compression coil spring 7 Chain lock key

Claims (2)

[Claims] 1. A front end portion is bent in a direction toward the inside of a wheel stop fence post inside a chain front end insertion hole of a chain stop side fence post for hooking a chain front end, and a bent portion of a chain front end fitting is formed by the bent portion. A metal fitting for hooking the locking hole is provided, and a hook is provided so that the curved portion of the metal fitting is closed at the distal end. Swinging in the direction, and always closes the curved portion of the metal fitting at the tip, and the tip of the hook opens the closed portion of the metal fitting from the outside of the brace post. Chain lock key of the bollard fence post. 2. A metal fitting having a distal end curved in the direction of the inside of the chain-holding car stop fence post, a hook for closing the curved portion of the metal fitting at the distal end is provided, and a proximal end of the hook is provided at the proximal end of the hook. An insertion hole for passing a screw is provided, a screw hole to be screwed to the screw is provided at a base end of the metal fitting, and a hook guide plate is provided on both sides of the metal fitting,
A hook is superimposed on the metal fitting, a coil spring is inserted into the screw, a screw tip is passed through the insertion hole of the hook and screwed into a screw hole at the base end of the metal fitting, and a chain-stop side wheel stop fence post is provided. This bracket is fixed inside the chain tip insertion hole, and an operation hole is provided in the middle part of the bracket and the brace post that abuts the middle part of this bracket. 2. The device according to claim 1, wherein the closing portion is pressed to open the closed portion of the curved portion of the metal fitting by the tip of the hook.
Chain lock key for the described fence post.