JP2719360B2 - Tire anti-slip device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a tire anti-slip device which is mounted on the outer periphery of a tire to prevent the tire from slipping on an icy road or the like.

[Related Art] As a tire anti-slip device mounted on a tire on a snowy road or the like to improve the performance on snow of a vehicle, a device having a main body made of a metal chain has been used for a long time. Because of the heavy weight and difficult handling,
2. Description of the Related Art Tire anti-skid devices whose main body is made of a material such as rubber or a flexible polymer have become widespread.

In a tire anti-slip device whose main body is made of a material such as rubber or a flexible polymer, so-called ladder type or net type is the mainstream, and these main bodies are pressed by an inner mounting device and an outer mounting device. It is designed to be mounted on tires in a state.

The inner mounting device is configured such that ends of flexible elongate materials such as fiber ropes and wire ropes are annularly connected to each other via a connecting means and arranged on the inner side surface of the tire, and the outer mounting device arranged on the outer side surface of the tire. Tension is generated by tightening, and the main body is pressed against the tire by the outer mounting tool.

As shown in FIG. 11, the connection means for the inner mounting device includes a hook 106 fixed to one end of a rope 104 disposed inside the tire antiskid device main body 102 of the tire antiskid device 100. In general, a tire anti-slip device 100 including an eye portion 108 formed at the other end of the rope 104 is provided.

However, this connecting means connects the hook 106 to the eye 1
08, but the hook 106 or the eye 108 is also located on the inner surface of the tire, so the hook 106 is locked to the eye 108 by groping with both hands on the inner side of the tire. Must have hook 106 and eye 108
Since it takes time to lock the tire with the tire, it takes time to attach the tire anti-slip device 100 to the tire.

[Problems to be Solved by the Invention] In view of the above, an object of the present invention is to provide a tire anti-skid device capable of improving workability of mounting the tire anti-slip device on a tire.

Means for Solving the Problems The invention according to claim 1 is a tire anti-skid comprising a tire anti-skid device main body wound around a tire by being wound around the tire and connecting both ends in the longitudinal direction. An elongated fastener in which a first end is locked to a tire width direction inner end of a first longitudinal end of the tire anti-skid device main body, and a longitudinal direction of the tire anti-slip device main body. The second end of the fastener is bent at the inner end side in the tire width direction and guided movably, and the second end of the fastener is set in the tire width direction of the tire anti-slip device. Guide means for guiding to the outside, and directional restraint means provided on the guide means for allowing movement of the fastener toward the second end portion of the fastener but for preventing movement of the fastener in the opposite direction. The direction restriction means is provided on the inner end side in the tire width direction. It is characterized by: The invention according to claim 2 is a tire anti-slip device comprising a tire anti-slip device body wound around a tire by being wound around the tire and connecting both ends in the longitudinal direction, wherein the first end portion is provided. Is locked on the inner side in the tire width direction of the second longitudinal end of the tire antiskid device body, and the middle portion in the longitudinal direction is inserted into the insertion portion provided at the first longitudinal end of the tire antiskid device main body. And a folded-back elongated fastener, which is locked at the second longitudinal end of the tire anti-slip device body and between the insertion portion and the second end of the fastener. Guide means for bending the intermediate portion on the inner end side in the tire width direction to guide it movably, and for guiding the second end of the fastener to the outside in the tire width direction of the tire anti-slip device; and the guide means. Movement of the fastener in the direction of the second end of the fastener is allowed, but in the reverse direction And a direction restraining means for preventing movement of the fasteners to the direction locking means is characterized in that provided in the tire width direction inside end portion side. The invention according to claim 3 is a tire antiskid device comprising a tire antiskid device main body wound around a tire by being wound around the tire and connecting both ends in a longitudinal direction, wherein the first end portion is provided. A long fastener which is locked to the tire width direction inner end of the first longitudinal end of the tire anti-slip device main body, and which is locked to the second longitudinal end of the tire anti-slip device main body. Guide means for bending the intermediate portion of the fastener on the inner end side in the tire width direction and guiding it movably, and guiding the second end of the fastener to the outer side in the tire width direction of the tire anti-slip device; Directional restraint means provided on the means for permitting movement of the fastener in the direction of the second end of the fastener but for preventing movement of the fastener in the opposite direction, wherein the directional restraint means comprises a tire width. It is provided on the outer end side in the direction. According to a fourth aspect of the present invention, there is provided a tire anti-slip device including a tire anti-slip device body wound around a tire by being wound around the tire and connecting both ends in a longitudinal direction, One end is locked to the inside in the tire width direction of the second longitudinal end of the tire anti-skid device body, and the middle in the longitudinal direction is provided at the first longitudinal end of the tire anti-slip device main body. An elongate fastener which is folded back through the insertion portion, and between the insertion portion and the second end of the fastener which is locked to the second longitudinal end of the tire anti-slip device body; Guide means for bending the intermediate portion of the fastener on the inner end side in the tire width direction and guiding it movably, and guiding the second end of the fastener to the outer side in the tire width direction of the tire anti-slip device; Movement of the fastener towards the second end of the fastener provided on the means; Kan movement of fastener in the opposite direction and a direction restraining means for preventing said direction locking means is characterized in that provided in the tire width direction outer end side.

[Operation] In the tire anti-skid device according to claim 1, when the tire anti-skid device body is wound around the tire and the second end of the fastener is pulled outward in the tire width direction, the intermediate portion of the fastener becomes It moves relatively to the guide means, and the widthwise inner end of the first longitudinal end of the tire anti-skid device body and the widthwise inner end of the second longitudinal end of the tire antiskid device are drawn toward each other. Furthermore, since the intermediate portion of the fastener pulled outward in the tire width direction is prevented from moving in the opposite direction by the directional restraint means, the connection work of the tire slip prevention device body inside the tire width direction can be performed easily and quickly. Can be done. In the tire antiskid device according to claim 2, when the tire antiskid device body is wound around the tire and the second end of the fastener is pulled outward in the tire width direction, the intermediate portion of the fastener is an insertion portion and The first non-slip device moves in the longitudinal direction of the tire anti-skid device body relative to the guide means.
The widthwise inner end of the end and the widthwise inner end of the second longitudinal end are drawn toward each other. Furthermore, since the intermediate portion of the fastener pulled outward in the tire width direction is prevented from moving in the opposite direction by the directional restraint means, the connection work of the tire slip prevention device body inside the tire width direction can be performed easily and quickly. Can be done. In the tire anti-skid device according to claim 3, when the tire anti-skid device body is wound around the tire and the second end of the fastener is pulled outward in the tire width direction, the intermediate portion of the fastener is provided with guide means. It moves relatively, and the widthwise inner end of the first longitudinal end of the tire anti-skid device body and the widthwise inner end of the second longitudinal end of the tire antiskid device are attracted to each other. Further, since the intermediate portion of the fastener pulled outward in the tire width direction is prevented from moving in the reverse direction by the directional restraint means, the connection work of the tire slip prevention device body inside the tire width direction can be easily and quickly performed. It can be carried out. In the tire anti-slip device according to claim 4,
When the main body of the anti-skid device is wound around the tire and the second end of the fastener is pulled outward in the width direction of the tire, an intermediate portion of the fastener moves relative to the insertion portion and the guide means, thereby preventing the tire from slipping. The widthwise inner end of the first longitudinal end and the widthwise inner end of the second longitudinal end of the apparatus body are attracted to each other. Furthermore, since the intermediate portion of the fastener pulled outward in the tire width direction is prevented from moving in the opposite direction by the directional restraint means, the connection work of the tire slip prevention device body inside the tire width direction can be performed easily and quickly. Can be done.

First Embodiment FIGS. 1 to 4 show a first embodiment of a tire anti-slip device 10 according to the present invention.

The first embodiment is an embodiment corresponding to claim (2).

As shown in FIGS. 1 and 2, the tire antiskid device body 12 of the tire antiskid device 10 has a reinforcing cord (not shown) made of organic fiber, metal, or the like inside a rubber material formed into a net shape. ) Are buried to form a main part, and except for both ends in the longitudinal direction, some parts are shared with each other.
One substantially rhombic outer frame 16
The outer frame portion 16 is formed continuously in the longitudinal direction, and the mutually adjacent outer frame portions 16 are located at the width direction end of the tire anti-skid device main body 12 so that the tire anti-slip device main body is formed. 12 are connected by a small frame portion 18 extending in the longitudinal direction.

In addition, at one end 20 as the second longitudinal end in the longitudinal direction of the tire anti-slip device body 12, one substantially rhombic small frame portion 22 and two substantially triangular portions that share a part with each other are provided. Small frame
24 form a substantially triangular outer frame portion 26, which is continuous with the outer frame portion 16, and which has an outer frame portion 16 and an outer frame portion.
26 is also connected by a small frame 18 similar to the above.

At the other end 28 of the tire anti-skid device body 12 as the first longitudinal end in the longitudinal direction, one substantially rhombic small frame 30 and two substantially triangular small frames 30 sharing a part with each other. Frame part 32
Thus, one substantially triangular outer frame portion 34 is formed.

At one end in the width direction of the tire antiskid device body 12, one end of a mounting bracket 36 is fixed by caulking to all the outer frame portions 16 along the longitudinal direction. The other end of the mounting bracket 36 is bent toward the front side (front side in the drawing) of the tire anti-slip device body 12 to form a substantially J-shaped hook portion 36A.

In addition, the outer frame portion 34 of the end portion 28 of the tire anti-skid device body 12
A joint hook 38 as a mounting bracket is firmly fixed to the bracket. The joint hook 38 has a hook portion 38A formed at one end, and the other end is branched into two branches.
One branch portion 38B is fixed to the outer frame portion 34 as described above, and the hook portion 38C formed on the other branch portion is hooked to the other outer frame portion 26 on the same width direction end side. Has become.

On the other hand, at the other end in the width direction of the tire anti-slip device body 12, one end of a mounting bracket 40 is fixed by caulking to all the outer frames 16, 26, and 34 along the longitudinal direction. The other end of the mounting bracket 40 is fixed by caulking to a rope 42 as an inner mounting tool made of synthetic fiber or wire. This rope
An eye portion 42A as an insertion portion is formed at one end of the tire anti-skid device main body 12 which is disposed at the end 28.
Note that the metal hook 43 as an insertion portion may be attached to one end of the rope 42 as shown in FIG. 4 without forming the eye 42A by making the rope 42 annular.

The other end of the rope 42 has a tire slip prevention device body 12
A clamp 44 as a direction restricting means attached to the outer frame portion 26 is fixed. One end of a belt 46 as a fastener is also fixed to the clamp 44, and the belt 46 is locked by the eye portion 42A of the rope 42 and folded back, and then formed into a substantially L-shape formed on the clamp 44. It is inserted into the insertion hole 44A in the shape of a circle, and is guided to the outside in the width direction of the tire slip prevention device main body 12 (the right side in FIG. 1). The clamp 44 is configured to easily guide the movement of the belt 46 from the inside in the width direction to the outside in the width direction of the tire antiskid device main body 12, but to prevent the reverse unless the belt is released by a locking means (not shown). .

The intermediate portion of the belt 46 is inserted and supported by a pipe-shaped support member 48 made of a hard-to-wear material such as urethane attached to a small frame portion 24 formed at the end portion 28 of the tire anti-skid device body 12. After that, the tire slip prevention device main body 12 is disposed outside in the width direction. A substantially C-shaped hook body 50 is attached to the other end of the belt 46 via a rubber band 49.

In the first embodiment, the clamp 44 and the support 48 correspond to the guide means of the present invention.

Next, a procedure for attaching the tire antiskid device 10 of the present invention to the tire 52 as shown in FIG. 3 will be described.

First, the tire antiskid device main body 12 in which the rope 42 has been loosened is put on the outer periphery of the tire 52 such that the side on which the rope 42 is disposed corresponds to the inner side surface of the tire 52.
Then, the belt 46 is pulled outward in the width direction (the direction of arrow A in FIG. 1). Then, since the belt 46 is locked to the eye portion 42A, the one end portion 20 and the other end portion 28 of the tire antiskid device main body 12 approach each other. Then, the belt 46 is pulled until the eye portion 42A and the clamp 44 contact each other. Even if the pulling of the belt 46 is stopped here, the clamp
Since movement in the direction of arrow B in the figure is prevented, the eye portion 42A and the clamp 44 are locked. Thereby, the inside in the width direction of the tire antiskid device main body 12 is connected in a ring shape.

Next, the hook portion 38C of the joint hook 38 is locked to the outer frame portion 26 of the tire antiskid device main body 12. Thereby, the tire antiskid device main body 12 is connected in a ring shape. Then, if the hook body 50 attached to the belt 46 is hooked to the mounting bracket 36 arbitrarily selected, the end portion of the belt 46 does not become an obstacle. Then, as shown in FIG.
Hook part 36A and joint hook 38A of joint hook 38
Then, two auxiliary outer mounting members made of an elastic annular body such as a rubber ring 39 are stretched.

Thereby, the tire antiskid device 10 is mounted on the tire by tightening the tire antiskid device body 12 with the rope 42 and the auxiliary outer attachment.

When the tire anti-skid device is removed from the tire 52, a procedure reverse to the above procedure may be performed. That is, the rubber ring 39 is attached to the hook 36A of the mounting bracket 36 and the joint hook 3.
Remove from hook part 38A of 8. Then, the hook body 50 attached to the belt 46 is removed from the hook portion 36A of the mounting bracket 36. Next, if the lock release piece (not shown) of the clamp 44 is operated, the belt 46 can be moved in the direction of arrow B with one touch, so that the contact state between the eye portion 42A and the clamp 44 is easily released, and the tire 52 is released. The tire slip prevention device 10 can be easily removed from the tire.

For this reason, since the worker does not put his hand inside the tire 52 in the work of attaching the tire slip prevention device 10 to the tire 52, the clothes of the worker do not touch the tire 52 and become dirty.

[Second Embodiment] FIGS. 5 and 6 show a second embodiment of the tire anti-slip device 10 according to the present invention.

The second embodiment is an embodiment corresponding to claim (1).

As shown in FIG. 5, a pipe body 70 made of urethane material through which the belt 46 passes is attached between the supports 48. For this reason, the intermediate portion of the belt 46 is protected by the pipe 70.

A considerable part of the intermediate portion of the belt 46 is a pipe 70
As shown in FIG. 6, a mark 72 is attached to the belt 46, and when the mark 72 appears from the end face of the pipe body 70 toward the front, it is apparent that both ends of the tire antiskid device main body 12 have approached. It is more convenient to be able to know.

Further, the pipe body 70 may be formed integrally with the tire anti-slip device body 12.

In the second embodiment, the clamp 44 corresponds to the direction restricting means of the present invention, and the clamp 44, the support 48 and the pipe 70 correspond to the guiding means of the present invention.

Further, in this embodiment, one end of the belt 46 is not fixed to the clamp 44 as in the first embodiment, but is fixed to the belt 46 itself immediately after being folded at the eye portion 42A. The strength is lower than in the first embodiment, but the structure is simplified.

Third Embodiment FIGS. 7 and 8 show a third embodiment of the tire antiskid device 10 according to the present invention.

Note that the third embodiment is an embodiment corresponding to claim (3).

In the third embodiment, as shown in FIG.
Is attached to the small frame portion 24 on the outer side in the width direction of the tire anti-slip device body 12. Accordingly, since the lock of the clamp 44 can be released from the outside of the tire 52, the tire anti-skid device can be released.
It is not necessary for the worker to put his hands inside the tire 52 in the removal work as well as the work of attaching the ten to the tire 52, and the clothes of the worker do not become dirty.

The clamp 44 of the third embodiment has the structure shown in FIG. 8, and the belt 46 can be moved in the direction of arrow B by pressing the pivotally attached locking piece 80 in the direction of arrow C in FIG. As shown in FIG. 7, a guide roller 74 for guiding the belt 46 is rotatably supported by a holding member 76 attached to the small frame portion 24 on the inner side in the width direction of the tire anti-slip device body 12 so as to be rotatable. 46
Is to be guided.

In the third embodiment, the clamp 44 corresponds to the direction restricting means of the present invention, and the guide roller 74, the holder 76,
The 48 and the clamp 44 correspond to the guide means of the present invention.

Note that a belt through-hole may be formed in the tire anti-slip device body 12, and the belt 46 may be inserted into the belt through-hole. In this case, it is desirable that the belt 46 be made of stainless steel wire.

Fourth Embodiment FIGS. 9 and 10 show a fourth embodiment of the tire antiskid device 10 according to the present invention.

The fourth embodiment is an embodiment corresponding to claim (4).

In the fourth embodiment, as shown in FIGS. 9 and 10, a roller 84 is pivotally supported on the eye portion 42A of the rope 42, thereby making the belt 46 folded back at the eye portion 42A slip smoothly.

In the fourth embodiment, the eye portion 42A and the roller 84 correspond to the insertion portion of the present invention, the clamp 44 corresponds to the direction restricting means of the present invention, and the guide roller 74, the holding member 76, and the supporting member 48.
And the clamp 44 correspond to the guide means of the present invention.

The clamp 44 is the same as the clamp described in the embodiment.
The structure is not limited to the structure of 44, but the point is that the belt 46 can be easily pulled out in one direction, but the belt 46 cannot be pulled back unless the locking device is released in the other direction. Any type of clamp 44 may be used.

[Effects of the Invention] As described above, in the tire anti-skid device according to the present invention, the worker connects the fasteners in the tire width direction inner portions at both ends in the longitudinal direction of the tire anti-slip device to prevent the tire from slipping. Since the operation can be performed simply by pulling the tire body outward in the tire width direction, the workability of mounting the tire anti-slip device on the tire can be improved.

[Brief description of the drawings]

1 to 4 show a first embodiment of a tire anti-slip device according to the present invention. FIG. 1 is an enlarged view of a main part of the present invention, FIG. FIG. 3 is a diagram showing a state in which the tire anti-slip device is mounted on a tire, FIG. 4 is a plan view of a metal hook attached to a rope, and FIGS.
The figure shows a second embodiment of the tire anti-slip device according to the present invention, FIG. 5 is an enlarged view of a main part, FIG. 6 is an enlarged view of a part of a belt, and FIGS. 7 and 8 relate to the present invention. FIG. 7 is an enlarged view of a main part of a tire anti-slip device, FIG. 8 is a plan view of a clamp, and FIGS. 9 and 10 are fourth embodiments of the tire anti-slip device according to the present invention. FIG. 9 is an enlarged view of a main part, FIG. 10 is an enlarged view of an eye part, and FIG. 11 is an enlarged view of a main part of a conventional tire anti-slip device. 10 tire anti-slip device, 12 tire anti-slip device body, 20 end (longitudinal second end), 28 end (longitudinal first end), 42 eye (Insertion part), 43 ... metal hook body (insertion part), 44 ... clamp (guide means, direction restraining means), 46 ... belt (fastening tool), 48 ... support body (guide means), 70 ... pipe body (guide means), 74 ... guide roller (guide means), 76 ... holder (guide means), 84 ...
Roller (insertion part).

Claims (4)

(57) [Claims] 1. A tire anti-skid device comprising a tire anti-slip device main body wound around a tire by being wound around the tire and connecting both ends in the longitudinal direction, wherein the first end is a tire anti-slip device. A long fastener which is locked to the tire width direction inner end of the first longitudinal end of the device body; and a fastener which is locked to the second longitudinal end of the tire anti-slip device body. Guide means for bending the intermediate portion on the inside end side in the tire width direction to guide it movably and for guiding the second end of the fastener to the outside in the tire width direction of the tire anti-slip device; and the guide means. Directional restraint means for permitting movement of the fastener in the direction of the second end of the fastener but preventing movement of the fastener in the opposite direction, wherein the directional restraint means is a tire width direction inner end. A tire anti-slip device provided on the side. 2. A tire anti-skid device comprising a tire anti-slip device main body wound around a tire by being wound around the tire and connecting both ends in the longitudinal direction, wherein the first end is a tire anti-slip device. The second longitudinal end of the device body is locked at the inner end side in the tire width direction, and the middle portion in the longitudinal direction is inserted into the insertion portion provided at the first longitudinal end of the tire anti-skid device and folded. And an intermediate portion of the fastener between the insertion portion and the second end of the fastener which is locked to the second longitudinal end of the tire anti-slip device body. Guide means for bending and guiding movably on the inner end side in the width direction and for guiding the second end of the fastener to the tire width direction outer side of the tire anti-slip device; Movement of the fastener in the direction of the second end is allowed, but tightening in the opposite direction Movement and a direction restraining means for preventing the said direction restraining means tire antiskid device, characterized in that provided in the tire width direction inside end portion side. 3. A tire anti-slip device comprising a tire anti-slip device main body wound around a tire by being wound around the tire and connecting both ends in a longitudinal direction, wherein the first end is a tire anti-slip device. A long fastener which is locked to the tire width direction inner end of the first longitudinal end of the device body; and a fastener which is locked to the second longitudinal end of the tire anti-slip device body. Guide means for bending the intermediate portion on the inside end side in the tire width direction to guide it movably and for guiding the second end of the fastener to the outside in the tire width direction of the tire anti-slip device; and the guide means. Directional restraint means for allowing movement of the fastener in the direction of the second end of the fastener but preventing movement of the fastener in the opposite direction, wherein the directional restraint means is a tire width direction outer end. A tire anti-slip device provided on the side. 4. A tire antiskid device comprising a tire antiskid device body wound around a tire by being wound around the tire and connecting both ends in a longitudinal direction, wherein the first end is a tire antiskid device. The second longitudinal end of the device body is locked at the inner end side in the tire width direction, and the middle portion in the longitudinal direction is inserted into the insertion portion provided at the first longitudinal end of the tire anti-skid device and folded. And an intermediate portion of the fastener between the insertion portion and the second end of the fastener which is locked to the second longitudinal end of the tire anti-slip device body. Guide means for bending and guiding movably on the inner end side in the width direction and for guiding the second end of the fastener to the tire width direction outer side of the tire anti-slip device; Movement of the fastener in the direction of the second end is allowed, but tightening in the opposite direction Movement and a direction restraining means for preventing the said direction restraining means, the tire antiskid device, characterized in that provided in the tire width direction outer end side.