JP3000233U - Anti-skid device for vehicle tires - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an anti-skid device for a vehicle tire, which can be easily and securely attached to and removed from a tire, does not loosen during traveling, and can reduce the time for removing the anti-skid device. thing. [Structure] An anti-skid device 100 for a vehicle tire, comprising:
It has a central ring body 10, and a plurality of grip members 11 are attached to the central ring body 10 so as to extend radially. The grip member 11 has a long plate shape, and both ends thereof are bent in opposite directions to have an L shape and a U shape, respectively. A through hole is provided in the L-shaped end portion, and a bolt provided in the central ring body 10 is passed therethrough. The grip member 11 is fixed to the central ring body 10 by the bolt and the nut 18. The inner gap of the U-shaped end is sized to accommodate the tire. A large number of sharpened bodies 16 are provided on the outer side of the U-shaped end portion and pierce the road surface to enhance the grip force of the tire.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention can also be used as a snow chain that generally acts as an anti-skid for tires on a snowy road or a frozen road, and provides safe driving when the vehicle runs on a bad road. It also relates to an anti-skid device used for a vehicle tire that can also be used.

[0002]

[Prior art]

 When the vehicle travels on a bad road, the tire does not always grip the road surface well. Occasionally, a slip condition between the tire and the ground under such circumstances will result in the tire sliding down the road, especially sand, reducing the effective friction between the tire and the ground, resulting in loss of control of the vehicle. Invite. For example, in winter or in highlands, frozen roads reduce friction between tires and the road surface, often causing road accidents.

[0003]

[Problems to be solved by the device]

 Conventional tire chains act to increase the frictional force between the tire and the frozen road surface. A weak point of the conventional chain wound around the tire is that it may loosen during running, and the loose chain has a risk of damaging the vehicle. Therefore, it is desired to provide a non-slip device that can be easily attached to and detached from a tire and that overcomes the above weak points.

The main object of the present invention is that it is easy to attach securely to the tire, does not loosen during running, is easy to attach to and detach from the tire, and shortens the time required to use the anti-skid device. An object of the present invention is to provide a non-slip device that can be used. Another object of the present invention is to provide an anti-skid device for a vehicle tire, which can greatly increase the frictional force between the slippery ground and the tire and is also excellent in strength.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, there is provided a non-slip device having a central ring body and a plurality of grip members attached to the central ring body, which is attached to a vehicle tire. The grip member is one that spreads out in a conformal radial manner. Each grip member is a long bar (plate), both ends of which are bent in opposite directions, one of which is L-shaped and the other of which is U-shaped. A through hole is provided at the end of the L-shape to allow a bolt provided on the central ring body to pass through. The grip member is fixed to the central ring body by the bolt and the nut. The U-shaped end has a gap that is wide enough to engage the tire. A sharp member having a large number of sharp tips is formed on the outer side of the U-shaped end of the grip member, and pierces the ground according to the rotation of the tire when the vehicle is running to provide a good grip force to the tire.

[0006] Specifically, the device according to claim 1 has "a plurality of grip members mounted along one peripheral portion of the central ring body and extending radially from the central ring body. The grip member has a first end fixed to the central ring by a first fixing means and a second end having a U shape, and the second end is a tire. It has an inner gap portion of a size suitable for engagement, and a plurality of sharpened members projecting outward are arranged on the outer side of the U-shaped end portion. Is a non-skid device for vehicle tires that pierces the ground and gives the tire grip power. ”

According to a second aspect of the present invention, “the first fixing means includes bolts radially protruding from the central ring body, and the bolts are formed at the first end portions of the grip members. The anti-skid device for a vehicle tire according to claim 1, wherein the anti-slip device for a vehicle tire passes through the formed through hole and is screwed with the nut. A vehicle tire according to claim 1, wherein the grip member is divided into a plurality of groups, and each grip member of each group is connected to each other by a flexible connecting wire. Anti-skid device. "

According to a fourth aspect of the invention, there is further provided "an auxiliary anti-slip device, wherein the auxiliary anti-slip device has a plurality of auxiliary grip members, and the auxiliary grip member is provided by the second fixing means. A U-shaped member having a first end fixed along the other periphery of the central ring body, the auxiliary gripping member extending radially from the central ring body, the auxiliary gripping member Has a plurality of sharpened bodies on the outside of the U-shaped member, the U-shaped auxiliary grip member has a second end fixed to the auxiliary ring body, and the auxiliary ring body is fixed by the third fixing means. The antiskid device for a vehicle tire according to claim 1, wherein the antiskid device is arranged substantially coaxially with the central ring body.

According to a fifth aspect of the present invention, “the second fixing means has bolts radially protruding from the central ring body, and the bolts are attached to the first end portions of the auxiliary grip members. The anti-skid device for a vehicle tire according to claim 4, wherein the anti-slip device passes through the formed through hole and is screwed with a nut. According to a sixth aspect of the present invention, "the third fixing means includes bolts radially protruding from the auxiliary ring body, and the bolts are formed on the second end portions of the auxiliary grip members. The anti-skid device for a vehicle tire according to claim 4, wherein the anti-skid device passes through the through hole and is screwed with the nut. The invention according to claim 7 is characterized in that "the auxiliary grip members are divided into a plurality of groups, and each auxiliary grip member of each group is connected to each other by a flexible connecting wire. The anti-skid device for vehicle tires of ".

[0010]

[Action]

 With the structure according to claim 1, when the second ends of the plurality of grip members are engaged with the tire and the first ends are attached along one peripheral portion of the central ring body, the attachment to the tire is made. Can be performed easily, and there is no looseness during traveling. A plurality of sharpened bodies are provided on the outer sides of the U-shaped portions of the plurality of grip members, and the sharpened bodies pierce the ground, so that a large grip force is applied to the tire. Further, by removing the first ends of the plurality of grip members from one peripheral portion of the central ring body, the anti-skid device can be easily removed from the tire.

According to the configuration of claim 2, in addition to the above-mentioned action, the plurality of grip members can be easily and surely attached by passing the through hole of each grip member through the bolt of the central ring body and screwing the nut. It can be carried out. With the structure according to the third aspect, the grip members are divided into a plurality of sets and are connected to each other by the flexible connecting wire, so that the grip members can be collected together and stored compactly. Further, when the anti-slip device is used, the auxiliary grip members are arranged at equal intervals by the connecting wire.

According to the structure of claim 4, the plurality of auxiliary grip members of the auxiliary anti-skid device are fixed to the central ring body by the second fixing means, and are fixed to the auxiliary ring body by the third fixing means. The ring body is arranged substantially coaxially with the central ring body. A plurality of sharpened bodies are provided on the outer sides of the U-shaped portions of the plurality of auxiliary grip members, and the sharpened bodies pierce the ground, so that a greater grip force is applied to the tire.

According to the structure of claim 5, in addition to the above-mentioned action, the bolts of the central ring body are passed through the through holes of the respective auxiliary grip members, and the nuts are screwed together, so that a plurality of auxiliary grip members can be easily attached. It can be done reliably. With the configuration according to claim 6, the auxiliary ring body can be easily fixed by inserting the through hole of each auxiliary grip member into the bolt of the auxiliary ring body and screwing the nut, and the auxiliary grip members are firmly fixed to each other. It is possible to improve the strength of the entire anti-skid device for a vehicle tire by connecting to.

With the structure according to the seventh aspect, the auxiliary grip members are divided into a plurality of groups and are connected to each other by the flexible connecting wires, so that the auxiliary grip members can be collected together and stored compactly. Further, when the anti-slip device is used, the auxiliary grip members are arranged at equal intervals by the connecting wire.

[0015]

【Example】

 1 and 2 show an anti-skid device 100 for a vehicle tire according to an embodiment of the present invention. The anti-slip device 100 has a central ring body 10, and a plurality of grip members 11 are detachably attached to the central ring body 10. It spreads out and extends.

Preferably, each grip member 11 has a through hole 17 through which a bolt 19 as a first fixing means radially protruding from the central ring body 10 is inserted. . Then, the grip member 11 is fixed to the central ring body 10 by the bolt 19 passing through the through hole 17 and the nut 18 screwed to the bolt 19. FIG. 3 shows the grip member 11 in an enlarged manner. The grip member 11 is composed of a long strip-shaped plate material 12, one end of which is bent twice at a right angle to form a U-shaped end portion 53 as a second end portion, and a bottom portion 13 is formed. It The other end of the plate member 12 is bent once at a right angle in the opposite direction to form an L-shaped end portion 54 as a first end portion, and the extension portion 14 is formed. The grip member 11 may be made of metal such as iron or aluminum, or resin such as reinforced plastic.

Preferably, a through hole 17 for a bolt is formed in the extension portion 14, and the grip member 11 is detachably fixed to the central ring body 10 by a bolt 19 and a nut 18. The U-shaped end portion 53 of the grip member 11 forms an inner gap portion 55, and the inner gap portion 55 is slightly narrower than the lateral width of the tire 29, and as shown in FIG. Engage. Preferably, a plurality of chevrons 15 are formed on the inside of the U-shaped end 53 to more securely engage the tire 29.

On the outside of the U-shaped end portion 53 of the long plate member 12, there are provided a plurality of sharpened elements 16 which are piercing elements, and each sharpened element 16 has a sharply pointed tip portion, and the present device 100 The vehicle tire 29 equipped with is firmly stuck to the road surface and pierces the ground so as not to slip. The sharpened body 16 may be formed of ceramics, synthetic resin, hard rubber or the like, in addition to metals such as iron and aluminum. According to the embodiment of the present invention, the grip member 11 of the device 100 is divided into two sets, each set consisting of, for example, five grip members 11 and a plurality of, for example, two grip members. A flexible connecting wire 20 connects between the grip members 11 as shown in FIGS. 1 and 2. The gripping members 11 are arranged on the tire 29 by the connecting wires 20 at appropriate intervals.

To mount the present anti-skid device 100 on the tire 29, the U-shaped end portions 53 of the grip members 11 of each set are engaged with the tire 29 and separately attached to the tire 29. Then, the connecting wires 20 spread the grip members 11 at equal intervals. The central ring body 10 is disposed surrounded by a plurality of L-shaped end portions 54, and the grip member 11 extends radially outward from the central ring body 10 at equal angular intervals. The L-shaped end 54 is fixed to the central ring body 10 by the bolt 19 and the nut 18. To remove the non-slip device 100 from the tire 29, first loosen the nut 18, remove the grip member 11 from the central ring body 10, and finally remove the main device 100 from the tire 29. Due to the flexibility of the connecting wire 20, two sets of grip members 11 can be compactly stored and stored by gathering the grip members 11 of each set.

5 and 6 show a second embodiment of the present invention. In this embodiment, an auxiliary anti-slip device 200 is provided and is arranged in parallel so as to play an auxiliary role of the anti-skid device 100 described above. In this embodiment, the anti-slip device 100 has a central ring body 21 as in the previous embodiments, and a plurality of first bolts 30 are provided on the central ring body 21 along one peripheral portion of the central ring body 21. A plurality of grip members 11 are provided and fixed at substantially equal intervals, and the grip members 11 extend radially outward from the central ring body 21.

The central ring body 21 further has a plurality of second bolts 22 as second fixing means. The second bolt 22 is attached along the other peripheral portion of the central ring body 21, and the auxiliary bolt member 25 is fixed by the nut 36 along the second peripheral portion of the central ring body 21. 22 is provided apart from the first bolt 30 so that the grip member 11 and the auxiliary grip member 25 are parallel to each other and are mounted on the central ring body 21.

Each auxiliary grip member 25 is a U-shaped member, and its ends are bent in opposite directions at approximately a right angle to form extensions 26 and 32, respectively. Through holes 28 and 34 for bolts are formed in the extensions 26 and 32, respectively. One of the extensions, for example the extension 32 as the first end, is fixed to the central ring body 21 by a corresponding second bolt 22 passing through the through hole 34 and a nut 36. The size of the auxiliary grip member 25 is formed so that the height of the U-shaped auxiliary grip member 25 is substantially equal to the height of the grip member 11 when the auxiliary grip member 25 is fixed to the central ring body 21. . By using the auxiliary grip member 25, the ground contact surface of the tire 29 is enlarged, and a stronger ground contact frictional force is applied to the tire 29 to contribute to the improvement of running stability.

On the outer side of the U-shaped bottom of the auxiliary grip member 25, a large number of sharpened bodies 38 having the same pointed ends as described above are provided. Auxiliary ring body 23 is preferably attached to extensions 26 as a plurality of second ends of auxiliary grip member 25, and is preferably arranged substantially coaxially with central ring body 21. The auxiliary ring body 23 has a plurality of bolts 24 as a third fixing means, and preferably, the bolts 24 are equiangularly arranged and formed on the extension portion 26 of the auxiliary grip member 25. After passing through the through hole 28, the nut 27 fixes the auxiliary grip member 25 to the auxiliary ring body 23.

In the illustrated embodiment, like the grip member 11, the auxiliary grip member 25 is divided into two sets, each set having five auxiliary grip members 25, and each set of the auxiliary grip members 25. Are connected by a flexible connecting wire 20.

Although the present invention has been described based only on the preferred embodiments, those skilled in the art will appreciate that these preferred embodiments may have various shapes such as the shape of the sharpened member 16 without departing from the scope of the claims of the present invention. The structure, dimensions, quantity, color, material, and other configurations may be changed as appropriate.

[0026]

[Effect of device]

 As described in detail above, in the anti-skid device for a vehicle tire according to the first aspect of the present invention, the second end portions of the plurality of grip members are engaged with the tire, and the first end portions of the central ring body are If it is mounted along one peripheral portion, it can be mounted on the tire easily and accurately, and it will not come loose during running. A plurality of sharpened bodies are provided on the outside of the U-shaped portions of the plurality of grip members, and the sharpened bodies pierce the ground, so that a large grip force can be imparted to the tire. In addition, by removing the first ends of the plurality of grip members from the central ring body, the anti-slip device can be easily removed from the tire.

In addition to the above effects, according to the second aspect of the invention, a plurality of grip members can be easily attached by passing the through hole of each grip member through the bolt of the central ring body and screwing the nut. You can According to the configuration of claim 3, the grip members are divided into a plurality of sets and are connected to each other by the flexible connecting wire, so that an excellent effect that they can be gathered together and stored compactly can be obtained. . Further, when the anti-slip device is used, the auxiliary grip members are arranged at equal intervals by the connecting wire.

According to the structure of claim 4, a plurality of auxiliary grip members of the auxiliary anti-skid device are fixed to the central ring body by the second fixing means, and are fixed to the auxiliary ring body by the third fixing means. The ring body can be arranged substantially coaxially with the central ring body. Further, since a plurality of sharpened bodies are provided outside the U-shaped portions of the plurality of auxiliary grip members and the sharpened bodies pierce the ground, a greater grip force can be imparted to the tire.

According to the structure described in claim 5, in addition to the above-mentioned action, a plurality of auxiliary grip members can be easily attached by inserting the through holes of the auxiliary grip members into the bolts of the central ring body and screwing the nuts. It can be carried out. With the configuration according to claim 6, the auxiliary ring body can be easily fixed by inserting the through hole of each auxiliary grip member into the bolt of the auxiliary ring body and screwing the nut, and the auxiliary grip members are firmly fixed to each other. It is possible to improve the strength of the entire anti-skid device for a vehicle tire by connecting to.

With the structure according to the seventh aspect, the auxiliary grip members are divided into a plurality of sets and are connected to each other by the flexible connecting wire, so that the auxiliary grip members can be collected together and stored compactly. In addition, when the anti-slip device is used, the auxiliary grip members have an excellent effect that they are arranged at equal intervals by the connecting wire.

[Brief description of drawings]

FIG. 1 is a perspective view of an anti-skid device for a vehicle tire according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the device shown in FIG.

FIG. 3 is a perspective view of a grip member used in the device shown in FIG.

FIG. 4 is a cross-sectional view showing a state in which the device shown in FIG. 1 is mounted on a vehicle tire.

FIG. 5 is a perspective view of an anti-skid device for a vehicle tire according to a second embodiment of the present invention.

6 is a cross-sectional view showing a state in which the device shown in FIG. 5 is mounted on a vehicle tire.

[Explanation of symbols]

 100 Anti-slip device 10 Central ring body 11 Grip member 16 Sharpened body 17 Through hole 18 Nut 19 Bolt (first fixing means) 20 Connecting wire 22 Bolt (second fixing means) 23 Auxiliary ring body 24 Bolt (third fixing means) 25 Auxiliary Grip Member 26 Second End 29 Tire 32 First End 38 Sharpened Body 53 Second End 54 First End 200 Auxiliary Antiskid Device

Claims (7)

[Scope of utility model registration request] 1. A plurality of grip members mounted along one peripheral portion of the central ring body and extending radially and extending from the central ring body, the grip members including the first grip member.
A first end fixed to the central ring by a fixing means and a second end having a U-shape;
The end portion has an inner gap portion having a size suitable for engaging with a tire, and a plurality of sharpened members protruding outward are arranged on the outer side of the U-shaped end portion. An anti-skid device for a vehicle tire, wherein the sharpened body pierces the ground and imparts a grip force to the tire. 2. The first fixing means has bolts radially protruding from the central ring body, and the bolts pass through through holes formed at the first ends of the grip members. The anti-skid device for a vehicle tire according to claim 1, which is screwed with a nut. 3. The anti-skid device for a vehicle tire according to claim 1, wherein the grip members are divided into a plurality of sets, and the grip members of each set are connected to each other by a flexible connecting wire. 4. An auxiliary antiskid device further comprising an auxiliary antiskid device having a plurality of auxiliary grip members, said auxiliary grip members being provided by a second fixing means to the other peripheral portion of said central ring body. A U-shaped member having a first end fixed along the auxiliary gripping member extending radially from the central ring body, the auxiliary gripping member extending outside the U-shaped member. The U-shaped auxiliary grip member has a second end fixed to the auxiliary ring body, and the auxiliary ring body is substantially coaxial with the central ring body by a third fixing means. The anti-skid device for vehicle tires according to claim 1, wherein 5. The second fixing means has bolts radially protruding from the central ring body, and the bolts pass through through holes formed at the first ends of the auxiliary grip members. The anti-skid device for a vehicle tire according to claim 4, wherein the anti-slip device is screwed with a nut. 6. The third fixing means has bolts radially protruding from the auxiliary ring body, and the bolts pass through through holes formed at the second ends of the auxiliary grip members. The anti-skid device for a vehicle tire according to claim 4, wherein the anti-slip device is screwed with a nut. 7. The cleat for vehicle tires according to claim 4, wherein the auxiliary grip members are divided into a plurality of groups, and the auxiliary grip members of each group are connected to each other by a flexible connecting wire. apparatus.