JPH09175126A - Tire chain - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance reliability and safety while mounting/demounting can be performed by one touch operation by any person, with no necessity at all for complicated operation. SOLUTION: A lock ring part 5x constituting partly a longitudinal chain part 2x is connected to one end of at least the one longitudinal chain part 2x, a cutting part 7x in/out handling a ring part 6x in the other end of the longitudinal chain part 2x is provided in partly a long side of the lock ring part 5x. Simultaneously with this constitition, one end of an opening/closing piece part 8x, arranged inside the lock ring part 5x, is turnably mounted in one end 5xs of the lock ring part 5x appearing in the cutting part 7x, further the other end of the opening/closing piece part 8x is constituted lockably in the other end 5xe of the lock ring part 5x appearing in the cutting part 7x, also a chain lock part 4x is provided, which is formed by energizing the opening/closing piece part 8x in the direction closing the cutting part 7x.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire chain mounted on a tire of an automobile running on a snowy road to prevent slipping.

[0002]

2. Description of the Related Art Generally, as a general-purpose tire chain to be mounted on a tire of an automobile, a pair of spaced vertical chain portions and a plurality of horizontal chain portions arranged at predetermined intervals to connect the vertical chain portions together. A tire chain including a pair of chain stoppers for attaching and detaching one end and the other end of each vertical chain portion is known.

FIG. 7 shows a part of a conventional tire chain 50. In the figure, reference numeral 51 denotes one vertical chain portion, which is formed by connecting a large number of ring portions 52, 52, ... Reference numeral 53 denotes a chain stopper that attaches and detaches one end and the other end of the vertical chain portion 51. The chain stopper portion 53 is a hook 54 rotatably provided on a ring portion 52s provided at one end of the vertical chain portion 51. And a stopper 55 slidably provided on the ring portion 52s.

Thus, when the tire chain 50 is mounted and one end and the other end of the vertical chain portion 51 are fixed, the ring portion 5 having the hook 54 at the other end of the vertical chain portion 51.
Hook 5 by inserting into 2e and folding back
4. The ring portion 52e is hooked on 4, and the stopper 55 is slid to engage with the hook 54.

[0005]

However, the above-mentioned conventional tire chain 50 has the following problems to be solved.

[0006] First, since the procedure for attaching and detaching is complicated, a woman or an elderly person often wonders how to operate. In particular, tire chains are used only a few times throughout the year, and the operation procedure is often forgotten.

Secondly, by rotating the hook 54,
Since it is necessary to slide the stopper 55 while maintaining the hook 54 at a specific position, the attachment / detachment operation becomes extremely troublesome, and particularly, in the actual attachment / detachment, it is necessary to operate the chain stopper 53 located below the vehicle body. Therefore, it becomes a big neck.

Thirdly, since the stopper 55 is engaged with the hook 54 by a simple slide, the stopper 55 may be dislocated from the hook 54 during traveling and the tire chain 50 may be disengaged from the tire. However, there are problems in reliability and safety.

The present invention solves the problems existing in the prior art as described above, requires no complicated operation, and can be attached and detached by anyone with one-touch operation, and can be performed extremely easily and quickly. Moreover, it aims to provide a highly reliable and safe tire chain.

[0010]

A tire chain 1 according to the present invention comprises a pair of vertical chain portions 2x and 2y which are spaced apart from each other, and each vertical chain portion 2 which is arranged at a predetermined interval.
a plurality of horizontal chain portions 3a, 3b, which connect x and 2y,
3c, 3d, 3e, 3f, 3g and each vertical chain portion 2x
When constructing a tire chain having a pair of chain stoppers 4x with which one end and the other end of the vertical chain 2x are attached and detached, one end of each of the vertical chain portions 2x and 2y forms a stop ring that constitutes a part of the vertical chain portion 2x. The parts 5x ... are joined together to form the stop ring part 5
A cutting portion 7x ... through which the ring portion 6x ... At the other end of the vertical chain portion 2x ... goes in and out is provided on a part of the long side of x .... And one end 5xs .. of the stop ring portion 5x.
The opening / closing piece 8x arranged inside the retaining ring 5x ...
The other end 5xe of the retaining ring portion 5x, which has one end rotatably attached and the other end of the opening / closing piece portion 8x, which faces the cutting portion 7x.
It is configured so that it can be locked to ... And the opening / closing piece 8x ...
For example, it is characterized by including a pair of chain stoppers (first chain stoppers) 4x that are biased by springs 9x in the direction of closing the cutting portions 7x.

With this, at the time of mounting, if the ring portions 6x ... At the other end are pushed into the cutting portions 7x of the stop ring portions 5x ..., the ring portions 6x ... Push the opening / closing piece portions 8x. The inside of the parts 5x ... Enters, and the ring portions 6x. At this time, the opening / closing piece portions 8x ... Return to close the cutting portions 7x ..., and the ring portions 6x. On the other hand, open / close piece 8x by hand ...
If you push inward to open the cutting parts 7x ...
The ring portions 6x ... Can be separated from the stop ring portions 5x.

A tire chain 1 according to another embodiment of the present invention is provided with the above-described first chain stop portion 4x on one vertical chain portion 2x and at the same time, a ring portion 5y at one end of the other vertical chain portion 2y. A second chain stop portion 4y formed by connecting one end of the wire member 11 to the other end of the wire member 11 and connecting a hook portion 12 that hooks to one of the vertical chain portions 2x. Is characterized by. Thereby, after the other end of the wire member 11 is passed through the ring portion 6y provided at the other end of the vertical chain portion 2y, the tire surface can be crossed in the width direction and hooked on the vertical chain portion 2x side. .

According to a preferred embodiment, the retaining ring portion 5x is integrally provided with an auxiliary ring portion 5s which is connected to one end of the vertical chain portion 2x, and a part of the wire member 11 includes an elastic wire 11d. It is desirable to let them.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a preferred embodiment of the present invention.

First, the structure of the tire chain 1 according to the first embodiment of the present invention will be described with reference to FIGS.

The tire chain 1 has, as a basic structure, a pair of vertical chain portions 2x and 2y spaced from each other as shown in FIG. 5 and a plurality of horizontal chains which are arranged at predetermined intervals to connect the vertical chain portions 2x and 2y. Parts 3a, 3b, 3c, 3d, 3
e, 3f, 3g, and each vertical chain portion 2x ... And each horizontal chain portion 3a ... are formed by connecting a number of elongated ring portions 6, 6, 6 ... Shown in FIG.

On the other hand, at one end of the vertical chain portion 2x, as shown in FIG.
As shown in, the stop ring portion 5x forming a part of the vertical chain portion 2x is coupled. In this case, the stop ring part 5x
An auxiliary ring portion 5s smaller than the stop ring portion 5x is integrally formed at an end portion in the longitudinal direction of the auxiliary ring portion 5x.
s is connected to the ring portion 6 at one end of the vertical chain portion 2x.

Further, a cutting portion 7x into / from which the ring portion 6x at the other end of the vertical chain portion 2x comes in / out is provided on a part of the long side of the stop ring portion 5x. One end 5xs of the stop ring portion 5x facing the cutting portion 7x on the side of the auxiliary ring 5s.
A crushed flat mounting portion 21 is formed on this, and one end of the opening / closing piece portion 8x is rotatably mounted on the mounting portion 21 by using a shaft portion 22. The opening / closing piece portion 8x is formed in a channel shape having a U-shaped cross section and is arranged inside the stop ring portion 5x, and the tip (other end) of the opening / closing piece portion 8x is the other end of the stop ring portion 5x facing the cutting portion 7x. It is configured so that it can be locked to 5xe.

Further, the shaft portion 22 has a coil spring 9
x, one end of the coil spring 9x is locked to the stop ring portion 5x, and the other end is locked to the claw portion 23 provided on the opening / closing piece portion 8x, and the opening / closing piece portion 8x ... Energize in the closing direction.

It is desirable that the stop ring portion 5x and the ring portion 6x have a color different from the other portions, for example, a conspicuous color such as yellow. On the other hand, the vertical chain portion 2y side is also configured similarly to the above-described vertical chain portion 2x side.

Next, the tire chain 1 according to the first embodiment.
The method of using will be described with reference to the drawings.

The tire chain 1 is connected to the tire T (see FIG. 6).
When mounting on the vehicle, first, the vehicle is lifted by a jack or the like to create a space between the tire T and the ground. The tire chain 1 is hung on the tire T and wound around the peripheral surface of the tire T. Then, the ring portion 6 at the other end is attached to the cutting portion 7x in the stop ring portion 5x of the vertical chain portion 2x.
When x is pushed in as shown in FIG. 2, the ring portion 6x pushes the opening / closing piece portion 8x inward to enter the inside of the stop ring portion 5x, and the ring portion 6x and the stop ring portion 5x are shown in FIG. Are linked together. At this time, the opening / closing piece portion 8x is returned by the spring 9x to close the cutting portion 7x, and the ring portion 6x is prevented from coming off.

The vertical chain portion 2y is also the vertical chain portion 2
Wear as in the x side. Then, if necessary, a rubber hanging band 31 shown by a virtual line in FIG.
When the tire chain 1 is tensioned by hanging it at a plurality of positions in x (or 2y), the mounting is completed.
In this way, the tire chain 1 can be mounted extremely easily and quickly by a one-touch operation, and the ring portions 6x ... And the stop ring portions 5x. .

On the other hand, when the tire chain 1 is detached from the tire T, the vertical chain portions 2x and 2y are opened by manually pushing the opening / closing piece portions 8x ... The ring portions 6x ... Can be separated from the stop ring portions 5x.

Next, the structure of the tire chain 1 according to the second embodiment of the present invention will be described with reference to FIGS.

In the tire chain 1 according to the second embodiment, although one of the vertical chain portions 2x is provided with the above-mentioned chain stop portion (first chain stop portion) 4x, the other vertical chain portion 2x is provided.
It differs from the first embodiment in that a second chain stop portion 4y shown below is provided on y.

That is, in the other vertical chain portion 2y, as shown in FIG.
The second chain stop portion 4y shown in FIG. The second chain stop portion 4y fixes one end of the wire member 11 to the ring portion 5y at one end of the vertical chain portion 2y and hooks the other end of the wire member 11 on the side of the one vertical chain portion 2x. The J-shaped hook portion 12 is connected and configured. in this case,
As the wire member 11, a flexible metal wire 11m in which a large number of thin metal wires are bundled and an elastic wire 11d using a rubber ring (or a spring or the like) are connected to each other. As shown in FIG. 4, the wire member 11 is passed through the ring portion 6y at the other end of the vertical chain portion 2y, and then, as shown in FIG. The hook portion 12 is hooked on the vertical chain portion 2x side by reaching the 2x side. Therefore, the wire member 11
Is such that the metal wire 11m is located on the surface of the tire T and the elastic wire 11d is located on the side surface of the tire T.
Select the length for each.

Next, the tire chain 1 according to the second embodiment.
The method of using will be described with reference to the drawings.

When the tire chain 1 is attached to the tire T, the automobile is lifted by a jack or the like to make a space between the tire T and the ground, as in the first embodiment. The tire chain 1 is hung on the tire T so that the one vertical chain portion 2x is located on the front side and the other vertical chain portion 2y is located on the rear side.

Then, the vertical chain portion 2x located at the front side
When the ring portion 6x at the other end is pushed into the cutting portion 7x of the stop ring portion 5x at one end as shown in FIG. 2, the ring portion 6x pushes the opening / closing piece portion 8x inward to open the stop ring portion 5x.
Enter the inside of x, and the ring portion 6x and the stop ring portion 5x.
Are connected as shown in FIG. This point is similar to the first embodiment.

Next, as shown in FIG. 4, after passing the wire member 11 of the other vertical chain portion 2y located at the back through the ring portion 6y at the other end of the vertical chain portion 2y,
When pulled toward you, the ring portion 5y at one end and the ring portion 6y at the other end of the vertical chain portion 2y come close to each other and the ring portion 5y
And the ring portion 6y are coupled. Further, as shown in FIG. 6, the wire member 11 hangs on the surface of the tire T and crosses in the width direction, so that the hook portion 12 is hooked on one of the vertical chain portions 2x. As a result, since the wire member 11 includes the elastic wire 11d, the tire chain 1 is prevented from loosening, and the suspension band 31 shown by an imaginary line in FIG. 6 becomes unnecessary. In addition, when attaching the suspension band 31, since the hook part 12 can be hung on the suspension band 31 as shown by an imaginary line, in this case, the elastic wire 11d of the wire member 11 becomes unnecessary. Further, the wire member 11 may be passed through the ring portion 6y at the other end, and then further passed through the ring portion 5y at one end as shown by an imaginary line in FIG. 12 may be hung on one vertical chain portion 2x without traversing the surface of the tire T.

On the other hand, when the tire chain 1 is detached from the tire T, the chain stop portion 4y of the other vertical chain portion 2y may be operated in the reverse order of the mounting, and
The chain stop portion 4x of the one vertical chain portion 2x may be operated in the same manner as in the first embodiment.

The embodiment has been described in detail above.
The present invention is not limited to such an embodiment.
For example, although the vertical chain portion and the horizontal chain portion are exemplified by connecting a large number of ring portions, a continuous wire material may be used. Other details, shape, quantity,
The materials and the like can be arbitrarily changed without departing from the spirit of the present invention.

[0034]

As described above, in the tire chain according to the present invention, the retaining ring portion forming a part of the longitudinal chain portion is joined to one end of the longitudinal chain portion, and the retaining ring portion is connected to a part of the long side of the retaining ring portion. A cutting part is provided through which the ring part at the other end of the vertical chain part comes in and out, and one end of the opening / closing piece part arranged inside the stop ring part is rotatably attached to one end of the stop ring part facing the cutting part, and The other end of the opening / closing piece is configured to be engageable with the other end of the stop ring that faces the cutting portion, and the opening / closing piece is urged in the direction to close the cutting portion. A tire chain according to another embodiment of the present invention is provided with the above-described first chain stop portion on one vertical chain portion, and at the same time, a ring portion at one end of the other vertical chain portion. To one end of the wire member, and the other end of the wire member , Due to the provision of a second chain stopper portion formed by coupling the hook portion for hooking on one of the longitudinal chain portion side, a marked effect as follows.

No complicated operation is required, and the attachment / detachment operation can be performed extremely easily and quickly. In particular, anyone, including women and the elderly, can attach and detach with one touch.

It is possible to surely prevent the harmful effects such as the chain coming off during traveling, to provide a highly reliable tire chain, and to greatly contribute to the popularization of the chain and the improvement of road traffic safety.

[Brief description of the drawings]

FIG. 1 is a side view of a chain stopper provided in a tire chain according to a first embodiment of the present invention,

FIG. 2 is an enlarged side view of a partial cross section of a chain stopper included in the tire chain.

FIG. 3 is an enlarged plan view of a chain stopper provided in the tire chain,

FIG. 4 is a perspective view of a chain stopper provided in a tire chain according to a second embodiment of the present invention,

FIG. 5 is an overall configuration diagram of the tire chain,

FIG. 6 is a side view showing a state where the tire chain is attached to a tire,

FIG. 7 is a perspective view of a chain stopper provided in a tire chain according to a conventional technique,

[Explanation of symbols]

 1 tire chain 2x vertical chain part 2y vertical chain part 3a ... horizontal chain part 4x chain stop part 4y chain stop part 5x stop ring part 5xs one end of stop ring part 5xe other end of stop ring part 5s auxiliary hook part 5y ring part 6x ring Part 7x Cutting part 8x Opening / closing piece part 11 Wire member 11d Elastic wire 12 Hook part

Claims (5)

[Claims] 1. A pair of vertical chain portions that are spaced apart from each other, a plurality of horizontal chain portions that are arranged at predetermined intervals to connect the vertical chain portions, and a pair of vertical chain portions that attach and detach one end and the other end thereof. In a tire chain having a chain stop,
Cutting in which a stop ring portion forming a part of the vertical chain portion is coupled to one end of the vertical chain portion, and a ring portion at the other end of the vertical chain portion goes in and out on a part of a long side of the stop ring portion. The opening / closing piece is provided with one end of the opening / closing piece arranged inside the stopping ring, and the other end of the opening / closing piece is attached to the cutting portion. And a pair of chain stoppers configured to urge the opening / closing piece portion in a direction to close the cutting portion, the tire chain being configured to be engageable with the other end of the retaining ring portion facing to the tire chain. 2. The tire chain according to claim 1, wherein the stop ring portion integrally includes an auxiliary ring portion coupled to one end of the vertical chain portion. 3. A pair of vertical chain portions that are separated from each other, a plurality of horizontal chain portions that are arranged at predetermined intervals to connect the vertical chain portions, and a pair of vertical chain portions that attach and detach one end and the other end thereof. In a tire chain having a chain stop,
A stop ring portion forming a part of the vertical chain portion is coupled to one end of the one vertical chain portion, and a ring portion at the other end of the vertical chain portion comes in and goes out on a part of a long side of the stop ring portion. A cutting portion is provided, and one end of an opening / closing piece portion arranged inside the stop ring portion is rotatably attached to one end of the stop ring portion facing the cutting portion, and the other end of the opening / closing piece portion is cut. Of the stop ring portion facing the first portion, the opening / closing piece portion is urged in the direction to close the cutting portion, and the first chain stopper portion and the other vertical chain portion are formed. A second part in which one end of the wire member is connected to the ring part at one end, and a hook part hooked to the one vertical chain part side or the other vertical chain part is connected to the other end of the wire member. A tire chain, comprising: 4. The tire chain according to claim 3, wherein the stop ring portion integrally includes an auxiliary ring portion coupled to one end of the vertical chain portion. 5. The tire chain according to claim 3, wherein an elastic wire is included in a part of the wire member.