JP2606325Y2 - Endless lock - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endless lock device mainly used for preventing theft of bicycles and motorcycles. In addition, this invention is used also when locking two articles, such as a pillar and a gate, and gates.

[0002]

2. Description of the Related Art Conventionally, as one example of this kind, there is a lock device of an endless lock described in Japanese Utility Model Laid-Open No. 5-58775.

This lock device basically comprises a lock body having a lock mechanism inside, and four long locking pieces (connecting rods) connected endlessly through the lock body. Become.

However, in the above configuration, the shaft holes for the pivot pins formed at both ends of each locking piece are all in the same direction, so that the locking pieces are alternately pivotally connected. Therefore, each engaging piece can be opened and closed only in the same direction, for example, in the horizontal direction.

[0005] Therefore, in this lock apparatus, each engaging piece cannot be folded with a clean appearance, and on the other hand, even if each engaging piece is folded, each engaging piece is naturally easily opened. There was a drawback to say.

Further, since this lock device is endlessly connected by four non-foldable locking pieces, the length of each locking piece must be longer than desired for use. There was a drawback that I could not get it.

[0007]

[Problems to be solved by the present invention] In view of the above-mentioned drawbacks of the present invention, the present invention can be folded with a beautiful appearance, and when the opening and closing levers are folded, they do not open naturally. In addition, it is possible to reduce the size as a whole in consideration of the convenience of carrying. In addition, by connecting one open / close lever with connecting pieces of the same form being turned to each other, one type is provided. It is an object of the present invention to obtain an endless lock which can be manufactured at a low cost.

[0008]

According to the present invention, there is provided a lock device for an endless lock, wherein a first opening / closing rod pivotally supported so that two connecting pieces can be opened and closed in a vertical direction, and the first opening / closing rod. A second opening / closing rod disposed parallel to the opening / closing rod and pivotally supported so that the two connecting pieces can be opened and closed in the vertical direction; the first opening / closing rod and the second opening / closing rod It is attached to one end of the rod so that it can be opened and closed in the horizontal direction,
A third opening / closing rod pivotally supported so that the two connecting pieces can be further opened / closed in a horizontal direction; and a third opening / closing rod arranged in parallel with the third opening / closing rod. The other end of the first opening / closing rod and the second opening / closing rod are axially mounted so that they can be opened and closed in the horizontal direction, respectively, and the two connecting pieces can be further opened and closed in the horizontal direction. A fourth opening / closing rod pivotally supported, and one of the first to fourth opening / closing rods is provided with a lock mechanism for changing an endless locked state of each opening / closing rod to an unlocked state. It is characterized by having been done.

[0009]

The first to fourth opening / closing rods can be opened / closed in a horizontal direction or a vertical direction, respectively. Then
At the time of folding, first, the first and second opening / closing rods are rotated by 180 degrees in the vertical direction about the axis of their central part as a fulcrum, so that the third opening / closing rod and the fourth opening / closing rod face each other. Overlap with. Next, the first and second opening / closing bars in the folded state are appropriately rotated in the horizontal direction so as to face the side surfaces of the third and fourth opening / closing bars in the folded state.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment shown in the drawings.

First, reference numeral 1 denotes a first opening / closing rod which is rotatably supported so that the two connecting pieces 2 and 3 can be opened and closed in the vertical direction via the shaft 4. Note that the “vertical direction” and “horizontal direction” are based on FIG. 1 in this embodiment.

As shown in FIG. 3, one end of the connecting piece 2 has an upper pivoting portion 6 having a shaft hole 5 in the vertical direction, while the other end has a horizontal direction crossing the shaft hole 5 in the horizontal direction. An inner pivot portion 8 having a shaft hole 7 is formed. The thickness of the pivots 6, 8 is determined with respect to the thickness of the one side wall 2a in consideration of the thickness of the pivots of the other connecting pieces so that the lock X can be folded compactly. It is almost half the thickness.

The connecting piece 3 is provided with a lock mechanism 10 for setting the endless locked state of each opening / closing rod to an unlocked state or for setting each opening / closing rod to an endless and locked state. The lock mechanism 10 can be inserted into a notch 13 formed in the inner cylinder 12 and a rotatable inner cylinder 12 in a lock case 11 as shown in FIGS. ,
An engagement groove 1 having a semicircular arc shape to be fitted to the peripheral body portion 12a of the inner cylinder 12.
4 and an insertion engagement / disengagement piece 15 having an inner cylinder 12 through an opening 16 of the lock case 11 as shown in FIG.
When the key 18 is inserted into the key hole 17 of the inner cylinder 12 and the inner cylinder 12 is rotated approximately 90 degrees, the inner cylinder 12 is locked.

In this embodiment, the lock mechanism 10 is the first lock mechanism.
The opening / closing rod 1 is not necessarily provided on the first opening / closing rod 1, and may be provided on any of the second to fourth opening / closing rods described later.

Next, reference numeral 20 is disposed so as to be parallel to the first opening / closing rod, and is pivotally supported so that the two connecting pieces 21 and 2A can be opened and closed in the vertical direction via a shaft 23. Second
Opening and closing rod.

As shown in FIG. 6, at one end of the connecting piece 21, there is provided a lower pivoting portion 25 having a shaft hole 24 in the vertical direction, while at the other end, a horizontal direction intersecting with the shaft hole 24 is provided. Outer pivot portions 27 each having a shaft hole 26 are formed.

The connecting piece 2A has the same structure or form as the connecting piece 2 of the first opening / closing rod 1. That is, the connecting piece 2A rotates the connecting piece 2 by 180 degrees in a horizontal state, and is pivotally supported by the connecting piece 21 at a diagonal position. Therefore, in this embodiment, the connecting pieces of the first and second opening / closing bars 1 and 20 include the connecting pieces 2 and 2A having the same shape in common.

Next, 30 is attached to one end of the first opening / closing rod 1 and the second opening / closing rod 20 via shafts 31 and 32 so that they can be opened and closed in the horizontal direction, respectively. Is a third opening / closing rod which is pivotally supported so that the connecting pieces 33 and 33A can further be opened and closed in the horizontal direction via the shaft 34.

As shown in FIG. 7, an upper pivot portion 36 having a vertical shaft hole 35 is provided at one end of the connecting piece 33, while a shaft hole having the same direction as the shaft hole 35 is provided at the other end. An upper pivot 38 having a respective 37 is formed.

The connecting piece 33A has the same structure or form as the connecting piece 33. That is, the connecting piece 33A reverses the connecting piece 33 by 180 degrees, changes the orientation in the sense that the pivot portions 36, 38 are upper or lower, and turns the other connecting piece 33.
It is connected to. Therefore, the third opening / closing rod has a configuration in which one kind of connecting piece 33, 33A of the same form is connected via the shaft 34.

The reference numeral 40 designates a parallel arrangement with the third opening / closing rod 30 and the other end of each of the first opening / closing rod 1 and the second opening / closing rod 20 in the horizontal direction via shafts 41 and 42, respectively. A fourth opening / closing rod which is pivotally mounted via a shaft 43 so as to be able to be opened and closed in a horizontal direction, and is further pivotally supported via a shaft 43 so that the two connecting pieces 33B and 33C can be further opened and closed in the horizontal direction. .

The two connecting pieces 33B, 33C constituting the fourth opening / closing rod 40 have the same structure or form as the connecting pieces 33, 33A constituting the third opening / closing rod 30. However,
The connecting pieces 33B, 33C of the fourth opening / closing rod 40 are provided opposite to the connecting pieces 33, 33A of the third opening / closing rod 30 at diagonal positions.

Therefore, the third and fourth opening / closing rods 30,
In this embodiment, the connecting piece 40 is formed of one type of connecting piece by connecting the connecting pieces of the same form in a state where they are mutually turned.

In the above configuration, when the lock mechanism 10 is in the locked state, the first to fourth opening / closing levers 1, 20, 3
0 and 40 are connected to an endless lock.

However, in the case where the opening and closing rods of the lock device X are connected endlessly, when the opening and closing rods are to be conveniently folded and compact for reasons of carrying or storage, etc. , For example, as shown in FIGS.

First, as shown in FIG.
Is rotated 180 degrees in the downward direction with the shafts 4 and 23 as fulcrums, that is, in the counterclockwise direction (arrow A), so as to face below the fourth opening / closing rod 40 as shown in FIG. As a result, the lock X is folded into a U-shape as a whole.

Next, the folded first opening / closing lever 1 is rotated so that the shafts 32, 42 face the side surfaces of the connecting pieces 33A, 33C of the third and fourth opening / closing levers 30, 40 in the folded state.
Is rotated about 90 degrees in the horizontal direction in the direction of arrow B with the fulcrum. Then, the state shown in FIG. 11 is obtained.

Next, the side faces of the connecting pieces 33, 33B on one side of the third and fourth opening / closing rods and the connecting pieces 33A, 33C on the other side.
, Each of their axes 34, 4
3 is rotated about 180 degrees in the horizontal direction in the direction of arrow C with the support point.

Then, the side surface of the finally folded second opening / closing lever 20 and the side surfaces of the connecting pieces 33, 33B on one side of the third and fourth opening / closing levers 30, 40 face each other. One of the shafts 31 and 41 is rotated in the horizontal direction in the direction of arrow D with the fulcrum as a fulcrum. Then, as shown in FIG. 12, the lock device X is folded in a compact manner without only one opening / closing rod or connecting piece protruding left and right or up and down.

[0030]

[Effects of the Invention] As is apparent from the above description, the present invention has the following effects. (1) Since only one opening / closing rod or connecting piece does not protrude significantly left and right or up and down, it can be folded with a beautiful appearance. (2) Since the opening and closing levers are not folded in the same direction, they do not naturally open when folded. (3) Since the connecting piece of each opening / closing rod can be further rotated, the entire length can be reduced to a desired length. (4) By connecting connecting pieces of the same form to the opening / closing rod in a state where they are turned in the direction of each other, in the case of the embodiment including one composed of one kind of connecting piece, it is manufactured at a little cost. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view of a connected or locked state of the present invention.

FIG. 2 is a perspective view of the separated or unlocked state of the present invention.

FIG. 3 is an explanatory view showing a main part (a connecting piece of a first opening / closing rod) of the present invention.

FIG. 4 is a perspective view showing a main part (lock case) of the present invention.

FIG. 5 is a schematic sectional explanatory view of a main part of the present invention.

FIG. 6 is a perspective view showing a main part (a connecting piece of a second opening / closing rod) of the present invention.

FIG. 7 is a perspective view showing a main part (a connecting piece of a third opening / closing rod) of the present invention.

Figure 8 is a schematic cross sectional view showing a main part of the present invention.

FIG. 9 is an explanatory view showing the folding order of the present invention.

FIG. 10 is an explanatory view showing the folding order of the present invention.

FIG. 11 is an explanatory view showing the folding order of the present invention.

FIG. 12 is a perspective view of the present invention in a folded state.

[Explanation of symbols]

1. First open / close lever, 2, 2A, 3, 21, 33, 33
A, 33B, 33C ... connecting pieces, 6, 8, 25, 27, 3
6, 38: pivot portion, 10: lock mechanism, 11: lock case,
12: inner cylinder, 20: second opening / closing rod, 30: third opening / closing rod, 40: fourth opening / closing rod.

Claims (3)

(57) [Scope of request for utility model registration] 1. A first opening / closing rod pivotally supported so that two connecting pieces can be opened / closed in a vertical direction, and a first opening / closing rod arranged in parallel with the first opening / closing rod. A second opening / closing rod pivotally supported so that the connecting piece can be opened / closed in the vertical direction, and one end of the first opening / closing rod and one end of the second opening / closing rod can be opened and closed in the horizontal direction, respectively. A third opening / closing rod which is axially mounted and is pivotally supported so that the two connecting pieces can be further opened and closed in the horizontal direction, and is disposed in parallel with the third opening / closing rod. Along with
The other end of each of the first opening and closing lever and the second opening and closing rod is axially mounted so that it can be opened and closed in the horizontal direction, and the two connecting pieces can be further opened and closed in the horizontal direction. And a lock mechanism for setting the endless locked state of each open / closed rod to the unlocked state in any one of the first to fourth openable / closed rods. A lock device for an endless lock, wherein the lock device is provided. 2. The connecting rod according to claim 1, wherein the third and fourth opening / closing rods are formed of one kind of connecting piece by connecting the connecting pieces of the same form in a state where they are turned to each other. A lock device for an endless lock. 3. The first and second opening and closing according to claim 1,
A lock device for an endless lock, wherein the rods 1 and 20 include connecting pieces 2 and 2A of the same form.