JP7032336B2 - Anti-slip equipment for vehicle tires - Google Patents

Description

The present invention relates to, for example, a vehicle tire anti-slip tool used for an escape tool from a dented portion of an ice-snow road surface or a mud.

Conventionally, as an anti-slip tool for this type of vehicle tire, an anti-slip member arranged on the tread surface of the vehicle tire, a tightening belt is provided on one side of the anti-slip member, and a cam buckle is provided on the other side via a connecting belt. The one with the structure is known.

Then, an anti-slip member is placed on the tread surface of the vehicle tire, the tightening belt on one side of the anti-slip member is inserted into the decorative hole of the wheel of the vehicle tire, and the tightening belt from the decorative hole is inserted into the cam buckle to tighten the tire. The belt is sent out in the belt insertion direction, and the anti-slip member is placed and fixed on the tread surface of the vehicle tire in a tight-fitting manner by the belt tightening action of the cam buckle, and the anti-slip member is configured to escape from the dents and mud on the ice and snow road surface. ing.

JP 2015-231767

However, in the case of the above-mentioned conventional structure, the anti-slip member is arranged on the tread surface of the vehicle tire, the tightening belt on one side of the anti-slip member is inserted into the decorative hole of the wheel of the vehicle tire, and the tightening belt from the decorative hole is used as a cam buckle. The cam buckle has a relatively complicated structure and is easy to be weighted, and the cam buckle swings around and collides with the tire due to the rotation of the vehicle tire. It has the inconvenience of damaging the vehicle tires.

The present invention aims to solve these inconveniences, and in the present invention, the invention according to claim 1 has an anti-slip member arranged on the tread surface of a vehicle tire between a pair of left and right support members. A pair of opposed cylindrical rolls are erected, the base of the tightening belt is fastened to one support member, and the tip of the tightening belt can be folded back and bent in a substantially S shape along the longitudinal direction to the other support member. A slipper for a vehicle tire is characterized in that the support shafts are arranged side by side so as to be idled by the support shafts, and the support shafts are formed in the shape of a square shaft having corners.

Further, in the invention according to claim 2, the other support member is made of a plate-shaped member, and the inner position where the arrangement groove portion in which the pair of cylindrical rolls can be arranged on the other support member is on the tread surface side, the above. Three cross-shaped crosspieces are sequentially formed in parallel at the outer position opposite to the tread surface side and the intermediate position thereof, and the two cross-shaped crosspieces formed between the three placement grooves are formed on the square shaft-shaped support shaft. It is characterized in that a slit groove is formed in each cylindrical roll, and the invention according to claim 3 is formed in the arrangement groove portion at the outer position among the three arrangement groove portions. It is characterized in that an opening groove portion that opens laterally with respect to the longitudinal direction of the tightening belt is formed.

The invention according to claim 4 is characterized in that the anti-slip member is made of a metal non-slip chain formed by connecting a plurality of chain members in series, and according to claim 5. The present invention is characterized in that a plurality of the anti-slip members are erected in parallel between a pair of left and right support members, and in the invention of claim 6, the tightening belt is one of the above. It is characterized in that a plurality of them are arranged side by side on the support member.

As described above, in the invention according to claim 1, the present invention has an anti-slip member arranged on the tread surface of the vehicle tire, and the tip end portion of the tightening belt fastened to one of the support members is a decorative hole of the vehicle tire. Then, the tip of the tightening belt is folded back in a substantially S shape along the longitudinal direction of the tightening belt by a pair of cylindrical rolls arranged side by side on the other support member, and the tip of the tightening belt is bent. By tightening, the cylindrical roll is pressed toward the support shaft by the tightening belt, and since the support shaft is formed in a square axis shape, each corner of the support shaft bites into the inner surface of the cylindrical roll, thereby rotating the cylindrical roll. The cylindrical roll that prevented this rotation prevented the tightening belt from loosening due to the friction between the tightening belt and the outer peripheral surface of the cylindrical roll, and the tightening of the tightening belt pressed the anti-slip member onto the tread surface of the vehicle tire. The anti-slip member placed on the tread surface of the vehicle tire can be fixedly placed on the vehicle tire in a compressed state, and the anti-slip member can improve the certainty of escape from dents and mud on the ice and snow road surface. It is possible to prevent damage to the vehicle tires and improve the safety of vehicle running.

Further, in the invention according to claim 2, the other support member is made of a plate-shaped member, and the arrangement groove portion on which the pair of cylindrical rolls can be arranged on the other support member is on the inner position on the tread surface side. , Two cross-shaped crosspieces formed in parallel at the outer position opposite to the tread surface side and the intermediate position thereof, and formed between the three placement grooves, are supported in the square axis shape. Since it is formed on a shaft and a slit groove is formed in each cylindrical roll, the cylindrical roll can be easily inserted and arranged freely and freely in a square shaft-shaped support shaft by the slit groove, and is stopped by one of the support members. Insert the tip of the worn tightening belt into the decorative hole of the vehicle tire, then insert the tip of the tightening belt into the placement groove at the inner position on the tread surface side, and insert the tip of the tightening belt into the placement groove. Fold back on the outer peripheral surface of one of the cylindrical rolls, insert the tip of the folded tightening belt between the outer peripheral surfaces of the pair of cylindrical rolls in the arrangement groove at the intermediate position and tighten, and then tighten the tip of the tightening belt at the outer position. It is inserted through the arrangement groove and folded back by the outer peripheral surface of the other cylindrical roll, and the tightening belt is folded back in a substantially S shape along the longitudinal direction by a pair of cylindrical rolls, and the tip of the tightening belt is tightened to tighten the tightening belt. The cylindrical roll is pressed toward the support shaft, and since the support shaft is formed in a square axis shape, each corner of the support shaft bites into the inner surface of the cylindrical roll, which prevents the rotation of the cylindrical roll and rotates. The tightening of the tightening belt prevents the tightening belt from loosening due to the friction between the tightening belt and the outer peripheral surface of the cylindrical roll, and the tightening of the tightening belt allows the anti-slip member to be pressed against the tread surface of the vehicle tire. The anti-slip member placed on the tread surface can be fixedly placed on the vehicle tire in a compressed state, and the anti-slip member can improve the certainty of escape from dents and mud on the ice and snow road surface, and damage to the vehicle tire. In addition to being able to improve the safety of vehicle running, in the invention of claim 3, of the three arrangement groove portions, the arrangement groove portion at the outer position is covered with the tightening belt. Since an opening groove that opens laterally in the longitudinal direction is formed, the tip of the tightening belt is folded back on the outer peripheral surface of one of the cylindrical rolls of the placement groove, and the tip of the folded tightening belt is placed at the intermediate position. When inserting and tightening between the outer peripheral surfaces of the pair of cylindrical rolls of the placement groove, and then inserting the tip of the tightening belt into the placement groove at the outer position, the tightening belt is inserted from the side into the opening groove and at the outer position. In the placement groove It can be inserted and attached, and the tightening belt can be easily inserted into the arrangement groove at the outer position while the support member is in close proximity to the vehicle tire by tightening the tightening belt, or the tightening belt in the tightened state can be inserted. It can be separated from the arrangement groove at the outer position through the opening groove, and the tightening belt can be easily attached to and detached from the arrangement groove at the outer position due to the presence of the opening groove, and anti-slip for the vehicle tire on the vehicle tire. The tool can be easily attached and detached.

Further, in the invention according to claim 4, since the anti-slip member is made of a metal anti-slip chain formed by connecting a plurality of chain members in series, durability and anti-slip effect can be improved. Further, in the invention according to claim 5, since a plurality of the anti-slip members are erected in parallel between the pair of left and right support members, durability and anti-slip effect can be enhanced, and the present invention is claimed. In the invention according to item 6, since a plurality of the tightening belts are arranged side by side on one of the support members, the anti-slip member can be reliably attached to the vehicle tire.

It is an overall perspective view of the embodiment of the present invention. It is a partially enlarged perspective view of the embodiment of the present invention. It is a partial plan view of the embodiment of this invention. It is a partially enlarged side sectional view of the embodiment of this invention. It is a partially enlarged side sectional view of the embodiment of this invention. It is a partially enlarged side sectional view of the embodiment of this invention. It is a side view of the use state of the Example of Embodiment of this invention. It is a partial cross-sectional view of the use state of the Example of Embodiment of this invention. It is a partially enlarged sectional view of the use state of the Example of Embodiment of this invention.

1 to 9 show an example of an embodiment of the present invention, where R is a vehicle tire anti-slip device, and as shown in FIGS. 1 and 2, a tread of a vehicle tire T is provided between a pair of left and right support members 1 and 2. The anti-slip member 3 arranged on the surface TR is erected, the base portion of the tightening belt B is fastened to one support member 1, and the tip end portion of the tightening belt B is attached to the other support member 2 in a substantially S shape along the longitudinal direction. A pair of opposed synthetic resin cylindrical rolls 4 and 5 that can be folded back and bent in a shape are arranged side by side freely by the support shafts 6 and 7, and the support shafts 6 and 7 have square shafts 6a and 7a. Is formed in.

In this case, as shown in FIGS. 2 and 3, the other support member 2 is made of a plate-shaped member, and the arrangement groove portions 2a, 2b, and 2c on which the pair of cylindrical rolls 4 and 5 can be arranged are provided on the other support member 2. Three are sequentially formed in parallel at the inner position on the tread surface TR side, the outer position on the opposite side to the tread surface TR side, and the intermediate position thereof, and formed between the three arrangement groove portions 2a, 2b, and 2c. The cross-shaped crosspieces 2d and 2e are formed on the square shaft-shaped support shafts 6 and 7, and the slit grooves 4a and 5a are formed in each of the cylindrical rolls 4 and 5, in this case, the spiral slit grooves 4a and 5a. , And the inner surfaces 4b and 5b of the cylindrical rolls 4 and 5 are loosely inserted into the crosspieces 2d and 2e as the support shafts 6 and 7 by the slit grooves 4a and 5a. At this time, each of the above-mentioned cylindrical rolls 4 and 5 is formed of a recoverable elastic material such as a synthetic resin material and a metal material, and the spiral slit grooves 4a and 5a resist the restoring elasticity of the cylindrical rolls 4 and 5. The inner surfaces 4b and 5b of the cylindrical rolls 4 and 5 may be freely inserted and arranged on the crosspieces 2d and 2e as the support shafts 6 and 7. Further, in this case, since the slit grooves 4a and 5a are formed in a spiral shape, the inner surfaces 4b and 5b of the cylindrical rolls 4 and 5 are smoothly and freely freely inserted into the square shaft-shaped support shafts 6 and 7. Can be placed.

Further, in this case, as shown in FIGS. 2 and 3, of the three arrangement groove portions 2a, 2b, and 2c, the arrangement groove portion 2c at the outer position is opened laterally with respect to the longitudinal direction of the tightening belt B. The opening groove portion 2ch is formed.

Further, in this case, as shown in FIG. 1, the anti-slip member 3 is composed of a metal non-slip chain C formed by connecting a plurality of chain members C ₁ ... In series, and in this case, the anti-slip member 3 is A plurality of, in this case, three pieces are erected in parallel between the pair of left and right support members 1 and 2, and in this case, a plurality of the tightening belts B, in this case, two pieces are installed side by side, and the cylindrical roll 4. 5 and the support shafts 6 and 7 are arranged in a plurality of sets, in this case, two sets are arranged side by side, and the arrangement groove portions 2a, 2b, and 2c are arranged in a plurality of sets, in this case, two sets are arranged side by side. The anti-slip member 3 may be made of a rubber material or a metal wire having high durability and mechanical strength instead of the metal non-slip chain C.

Since the vehicle tire anti-slip tool R of this embodiment has the above configuration, the anti-slip member 3 is arranged on the tread surface TR of the vehicle tire T as shown in FIGS. 7, 8 and 9, and one of the support members 1 is arranged. _The tip of the tightening belt B fastened to the tire T is inserted into the decorative hole T1 of the vehicle tire T, and then the tip of the tightening belt B is juxtaposed with the other support member 2 as shown in FIGS. 4 to 6. A pair of cylindrical rolls 4 and 5 fold back in a substantially S shape along the longitudinal direction of the tightening belt B, and by tightening the tip of the tightening belt B, the cylindrical rolls 4 and 5 are supported by the tightening belt B. Since the support shafts 6 and 7 are pressed toward 6 and 7 and the support shafts 6 and 7 are formed in a square shaft shape, the corner portions 6a and 7a of the support shafts 6 and 7 bite into the inner surfaces 4b and 5b of the cylindrical rolls 4 and 5. As a result, the rotation of the cylindrical rolls 4 and 5 is prevented, and the friction between the tightening belt B and the outer peripheral surface of the cylindrical rolls 4 and 5 prevents the tightening belt B from loosening due to the cylindrical rolls 4 and 5 that are prevented from rotating. The anti-slip member 3 can be pressed onto the tread surface TR of the vehicle tire T by tightening the tightening belt B, and the anti-slip member 3 arranged on the tread surface TR of the vehicle tire T is fixedly arranged on the vehicle tire T in a compressed state. The anti-slip member 3 can improve the certainty of escape from the dented portion of the ice-snow road surface and the mud, prevent damage to the vehicle tire T, and enhance the safety of vehicle running. ..

In this case, the other support member 2 is made of a plate-shaped member, and the arrangement groove portions 2a, 2b, and 2c on which the pair of cylindrical rolls 4 and 5 can be arranged on the other support member 2 are on the inner side of the tread surface TR side. Two cross-shaped crosspieces formed in parallel at the position, the outer position opposite to the TR side of the tread surface, and the intermediate position thereof, and formed between the three placement groove portions 2a, 2b, and 2c. Since 2d and 2e are formed on the square shaft-shaped support shafts 6 and 7 and slit grooves 4a and 5a are formed on each of the cylindrical rolls 4 and 5, the cylindrical rolls 4 and 5 are formed into slit grooves as shown in FIG. By 4a and 5a, it can be easily inserted and arranged freely and freely in the square shaft-shaped support shafts 6 and 7, and the tip of the tightening belt B fastened to one of the support members 1 is a decorative hole of the vehicle tire T. After inserting it through T ₁ , as shown in FIG. 4, the tip of the tightening belt B is inserted into the placement groove 2a at the inner position on the TR side of the tread surface, and the tip of the tightening belt B is placed on one of the placement grooves 2a. Folded at the outer peripheral surface of the cylindrical roll 4, and as shown in FIGS. 5, 8 and 9, the tip end portion of the folded tightening belt B is inserted between the outer peripheral surfaces of the pair of cylindrical rolls 4 and 5 of the arrangement groove portion 2b at the intermediate position. Then, as shown in FIG. 6, the tip end portion of the tightening belt B is inserted into the arrangement groove portion 2c at the outer position, folded back by the outer peripheral surface of the other cylindrical roll 5, and the tightening belt B is formed by the pair of cylindrical rolls 4.5. Is folded back in a substantially S shape along the longitudinal direction, the tightening belt B and the folded tightening belt B are fastened by the clip tool K, and the tip of the tightening belt B is fastened as shown in FIGS. 5 and 6. By tightening, the cylindrical rolls 4 and 5 are pressed toward the support shafts 6 and 7 by the tightening belt B, and since the support shafts 6 and 7 are formed in a square shaft shape, each corner portion 6a of the support shafts 6 and 7 is formed. 7a bites into the inner surfaces 4b and 5b of the cylindrical rolls 4 and 5, thereby preventing the rotation of the cylindrical rolls 4 and 5, and the tightening belt B and the cylindrical rolls 4 and 5 by the cylindrical rolls 4 and 5 that are prevented from rotating. Loosening of the tightening belt B is prevented by friction with the outer peripheral surface, and the anti-slip member 3 can be pressed against the tread surface TR of the vehicle tire T by tightening the tightening belt B, and is arranged on the tread surface TR of the vehicle tire T. The anti-slip member 3 can be fixedly arranged on the vehicle tire T in a compressed state, and the anti-slip member 3 can improve the certainty of escape from the dented portion of the ice-snow road surface or the mud, and prevent the vehicle tire T from being damaged. At the same time, it is possible to improve the safety of vehicle running.

Further, in this case, of the three arrangement groove portions 2a, 2b, and 2c, an opening groove portion 2ch that opens laterally with respect to the longitudinal direction of the tightening belt B is formed in the arrangement groove portion 2c at the outer position. Therefore, the tip of the tightening belt B is folded back at the outer peripheral surface of one of the cylindrical rolls 4 of the arrangement groove 2a, and the tip of the folded tightening belt B is the outer circumference of the pair of cylindrical rolls 4 and 5 of the arrangement groove 2b at the intermediate position. When the tip of the tightening belt B is inserted into the arrangement groove 2c at the outer position as shown in FIGS. 5 to 6, the tightening belt B is inserted from the side into the opening groove 2ch. It can be inserted and mounted in the arrangement groove 2c at the outer position, and the support member 2 is close to the vehicle tire T due to the tightening of the tightening belt B. The tightening belt B in the tightened state can be detached from the arrangement groove 2c at the outer position via the opening groove 2ch, and the tightening belt B can be attached to and detached from the arrangement groove 2c at the outer position. This can be easily performed due to the presence of the opening groove portion 2ch, and the vehicle tire anti-slip tool R can be easily attached to and detached from the vehicle tire T.

Further, in this case, since the anti-slip member 3 is made of a metal non-slip chain C formed by connecting a plurality of chain members C ₁ , C ₁ , ... In series, the durability and the anti-slip effect can be enhanced. In this case, since a plurality of the anti-slip members 3 are erected in parallel between the pair of left and right support members 1 and 2, durability and anti-slip effect can be improved.

In this case, a plurality of the tightening belts B are arranged side by side on the one support member 1, and a plurality of sets of the cylindrical rolls 4 and 5 and the support shafts 6 and 7 are arranged side by side on the other support member 2 and the arrangement groove portion 2a is provided. Since a plurality of sets of 2b and 2c are arranged side by side, the anti-slip member 3 can be reliably mounted on the vehicle tire T.

The present invention is not limited to the example of the above embodiment, and for example, the materials, structures, forms, numbers, etc. of the tightening belt B, the support members 1 and 2, and the anti-slip member 3 are appropriately changed according to the vehicle tire T. Will be designed.

As described above, the intended purpose can be sufficiently achieved.

R Anti-slip equipment for vehicle tires T Vehicle tire TR Tread surface B Tightening belt C Non-slip chain C ₁ Chain material 1 Support member 2 Support member 2a Arrangement groove 2b Arrangement groove 2c Arrangement groove 2d Pirate 2e Pirate 2ch Opening groove 3 Anti-slip member 4 Cylindrical roll 4a Slit groove 5 Cylindrical roll 5a Slit groove 6 Support shaft 6a Corner 7 Support shaft 7a Square

Claims (6)

Anti-slip members arranged on the tread surface of the vehicle tire are erected between the pair of left and right support members, the base of the tightening belt is fastened to one support member, and the tip of the tightening belt is attached to the other support member in the longitudinal direction. A pair of opposed cylindrical rolls that can be folded back and bent in a substantially S-shape are arranged side by side freely by a support shaft, and the support shaft is formed in a square shaft shape having a corner portion. Anti-slip equipment for vehicle tires. The other support member is made of a plate-shaped member, and the arrangement groove portion in which the pair of cylindrical rolls can be arranged on the other support member is an inner position on the tread surface side and an outer position on the opposite side to the tread surface side. And three in parallel at the intermediate position, two cross-shaped crosspieces formed between the three placement grooves are formed on the square shaft-shaped support shaft, and slit grooves are formed in each cylindrical roll. The anti-slip device for a vehicle tire according to claim 1, wherein the tread is formed. The vehicle according to claim 1 or 2, wherein an opening groove portion that opens laterally with respect to the longitudinal direction of the tightening belt is formed in the arrangement groove portion at the outer position among the three arrangement groove portions. Anti-slip for tires. The anti-slip member for a vehicle tire according to any one of claims 1 to 3, wherein the anti-slip member comprises a metal non-slip chain formed by connecting a plurality of chain members in series. The anti-slip tool for vehicle tires according to claim 4, wherein a plurality of the anti-slip members are erected in parallel between a pair of left and right support members. The anti-slip device for vehicle tires according to any one of claims 1 to 5, wherein a plurality of the tightening belts are arranged side by side on one of the support members.

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