JP6414759B2 - Tire anti-slip device - Google Patents

Description

  The present invention relates to an anti-slip device for automobile tires, and relates to an anti-slip device that can be easily mounted without jacking up or moving an automobile.

  In recent years, anti-slip devices for automobile tires that can be mounted without jacking up or moving the vehicle are commercially available, and have become mainstream.

As an apparatus which can be mounted without moving such a jack-up or a vehicle, for example, there are those disclosed in Patent Documents 1 to 3 below.
The devices disclosed in the following Patent Documents 1 to 3 are anti-slip devices for automobile tires that are used by putting them on a tire tread, an inner belt connected in a ring shape inside the tire, and an outer belt connected in a ring shape outside, An anti-slip portion disposed between the inner belt and the outer belt is provided, and a pair of intermediate joints are provided at an intermediate portion of the outer belt.

JP-A-9-156334 JP2011-57109A ACT 7-41065

  In the installation of the above conventional anti-slip device, the inner belt is connected to the inside of the tire by a pair of inner belt joints, and the outer belt is connected by a pair of outer belt joints. If the intermediate joints are connected to each other and pulled out and fastened to the outside of the tire, the mounting operation is completed. Therefore, jacking up and moving the car are unnecessary.

However, the outer belt is divided by a pair of intermediate joints to be in a free state, and the divided outer belt and the inner belt connected in an annular shape overlap or get entangled, causing problems in installation work. have.
In particular, if the belt is entangled inside the tire, it is difficult to see and the mounting work becomes increasingly difficult.

  The present invention was developed to effectively solve the problems of the conventional anti-slip device.

  In short, the anti-slip device for a tire according to the present invention is an anti-slip device for an automobile tire that is used on a tire tread, and is connected to the inner belt 1 connected in an annular shape inside the tire and in an annular shape outside. Assuming that the outer belt 2 and the anti-slip portion A disposed between the inner belt 1 and the outer belt 2 are provided, and a pair of intermediate joints 3a and 3b are provided at the intermediate portion of the outer belt 2. The outer belt 2 is provided with a temporary fastening portion 4 for temporarily fastening the pair of intermediate joints 3a and 3b.

  Preferably, the temporary fastening portion 4 is provided on one intermediate joint 3a side and engaged with the other intermediate joint 3b.

  More preferably, the engagement is engagement by frictional force.

  Alternatively, the pair of intermediate joints 3 a and 3 b can be switched between temporary fastening and permanent fastening, and the pair of intermediate joints 3 a and 3 b can be used as the temporary fastening portion 4.

  Not only the inner belt 1 but also the outer belt 2 can be temporarily connected in an annular manner by the temporary fastening portion 4 so that the belts are not overlapped or entangled inside the tire.

  On the other hand, when the outer belt 2 is moved from the inner side of the tire to the outer side, the temporary fastening of the intermediate joints 3a and 3b is released, and the pair of intermediate joints 3a and 3b automatically come out from both sides of the tire, respectively. Therefore, by attaching the pair of intermediate joints 3a and 3b that have come out automatically, the mounting operation can be easily completed.

The expanded view which shows the anti-slip | skid apparatus of the tire which concerns on 1st Example. It is a perspective view which shows the state of a pair of intermediate joint, (a) is a perspective view which shows the state of a pair of intermediate joint before temporary fixing or the temporary fixing was cancelled | released, (b) is a temporary fixing part of a pair of intermediate joint The perspective view which shows the state which temporarily fastened in (c), The perspective view which shows the state which fastened a pair of intermediate joint permanently. The expanded view which shows the anti-slip | skid apparatus of the tire which concerns on 2nd Example. The expanded view which shows the anti-slip | skid apparatus of the tire which concerns on 3rd Example. The expanded view which shows the anti-slip | skid apparatus of the tire which concerns on 4th Example. The expanded view which shows the anti-slip | skid apparatus of the tire which concerns on 5th Example. The expanded view which shows the anti-slip | skid apparatus of the tire which concerns on 6th Example. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure explaining the order of the installation operation | work of the anti-slip | skid apparatus of the tire which concerns on this invention, (a) is explanatory drawing which shows the state which set the anti-slip | skid apparatus inside the tire, (b) is an inner side belt. An explanatory view showing a state in which the outer belt is connected in an annular shape and is temporarily connected by a pair of intermediate joints, and (c) is an illustration showing a state in which the outer belt temporarily attached to the pair of intermediate joints is pulled out of the tire. FIG. 4D is an explanatory view showing a state in which each intermediate joint that has come out of the tire automatically after the temporary fastening state is released is permanently fastened.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 to 8, the anti-skid device according to the present invention is an anti-skid device for an automobile tire used on a tire tread, and includes an inner belt 1 connected in a ring shape inside the tire, and an outer side. A basic configuration including an outer belt 2 connected in an annular shape, a non-slip portion A disposed between the inner belt 1 and the outer belt 2, and a pair of intermediate joints 3 a and 3 b provided in the middle portion of the outer belt 2. have.

  In the present invention, the outer belt 2 has a specific configuration in which a temporary fastening portion 4 for temporarily fastening the pair of intermediate joints 3a and 3b is provided, and the temporary fastening portion 4 facilitates the mounting work.

<First embodiment>
FIG. 1 shows a first embodiment of an anti-slip device according to the present invention. In this embodiment, the ladder type metal chain constitutes the anti-slip portion A, the inner belt 1 and the outer belt, and as shown in the enlarged view of FIG. 1 and FIG. A tube piece made of rubber or soft synthetic resin is provided with its opening open, and the tube piece is configured as a temporary fastening portion 4.

  The temporary fastening portion 4 that is the tube piece is set to a diameter that allows the distal end portion (the distal end portion of the chain) of the other intermediate joint 3b to be pressed slightly tightly, so that the distal end of the intermediate joint 3b as shown in FIG. The part can be inserted and temporarily fixed. If a force is applied in a direction in which one intermediate joint 3a and the other intermediate joint 3b are separated from each other, temporary fixing by the temporary fixing portion 4 is easily released as shown in FIG.

  On the other hand, when the pair of intermediate joints 3a and 3b are permanently fastened, the temporary fastening portion 4 is not involved in the final fastening as shown in FIG. The mounting operation will be described later.

  In addition, when using a metal chain for the inner belt 1 as in this embodiment, since the degree of freedom of the chain is large, it is difficult to retain the shape and it is difficult to handle. As shown in FIG. It is desirable to make it easy to retain the shape by covering with the reinforcing material 5 and having a firmness.

<Second embodiment>
FIG. 3 shows a second embodiment of the anti-slip device according to the present invention. In this embodiment, the anti-slip portion A is constituted by a turtle shell-shaped metal chain, the inner belt 1 is constituted by a wire, and the outer belt 2 is constituted by a metal chain.

  Moreover, the temporary fixing part 4 of a present Example is provided in one intermediate joint 3a. The temporary fastening portion 4 is formed of a C-shaped clip, and is preferably formed of a material having elasticity such as a synthetic resin. Although not specifically shown, also in the present embodiment, the temporary fastening portion 4 temporarily fastens the pair of intermediate joints 3a and 3b of the outer belt 2 so as to be easily releasable, and is not involved in the final fastening.

<Third embodiment>
FIG. 4 shows a third embodiment of the anti-slip device according to the present invention. In the present embodiment, the anti-slip portion A is constituted by a turtle shell-shaped metal chain, and the inner belt 1 and the outer belt 2 are constituted by wires.

Further, the temporary fastening portion 4 of this embodiment is directly provided on the outer belt 2 in the vicinity of one intermediate joint 3a. The temporary fastening portion 4 is composed of a clip member composed of a pair of pieces that sandwich the other intermediate joint 3b, and is preferably composed of an elastic material such as a synthetic resin. Thus, when the temporary fixing part 4 is comprised with the member which can clamp the other intermediate joint 3b, as shown to the enlarged view in FIG. 4, the other intermediate joint 3b may be made into a hook shape instead of a carabiner shape. it can.
In the past, loosening occurred even when the anti-slip device was attached to the tire, so in order to obtain close contact with the tire, it was further pulled with an auxiliary tool toward the center of the tire with a ring-shaped rubber band. Is an extended intermediate joint (3b) that is passed through the middle belt (3a) without a joint with a tension band or a small narrow tension chain, pulled up as a fulcrum and loosened, and then hooked to the outer belt (2) The tip of the hook is preferably a hook shape that can be easily hooked.

  Although not specifically shown, in this embodiment, the temporary fastening portion 4 temporarily fastens the pair of intermediate joints 3a and 3b of the outer belt 2 so that they can be easily released, and does not participate in the final fastening. Of course.

<Fourth embodiment>
FIG. 5 shows a fourth embodiment of the anti-slip device according to the present invention. In this embodiment, the anti-slip portion A, the inner belt 1 and the outer belt 2 are constituted by a rubber net chain.

  In the present embodiment, one intermediate joint 3a is constituted by a hook and the other intermediate joint 3b is constituted by an engagement hole, and the temporary fastening portion 4 is formed in the vicinity of the engagement hole which is the other intermediate joint 3b. It consists of a notched hole. In the present embodiment, the temporary fastening portion 4 allows one of the intermediate joints 3a to be inserted and removed by a notch, and temporarily fastened so as to be released.

  Also in this embodiment, although not specifically shown, the temporary fastening portion 4 temporarily fastens the pair of intermediate joints 3a and 3b of the outer belt 2 so that they can be easily released, and is not involved in the final fastening.

<Fifth embodiment>
FIG. 6 shows a fifth embodiment of the anti-slip device according to the present invention. In this embodiment, the anti-slip portion A is made of a cloth made of synthetic fiber such as polyamide, and the inner belt 1 and the outer belt 2 are made of wire.

  Since the structure of the temporary fixing part 4 in a present Example is the same as that of the temporary fixing part 4 in 1st Example mentioned above, the description in 1st Example is used here.

<Sixth embodiment>
FIG. 7 shows a sixth embodiment of the anti-slip device according to the present invention. In this embodiment, the inner belt 1 and the outer belt 2 are made of wire, the anti-slip portion A is made of a cloth made of synthetic fiber such as polyamide, and the end of the synthetic resin cloth is made of the inner belt 1 and The outer belt 2 is held.

  In the present embodiment, the intermediate joints 3 a and 3 b are constituted by hook-and-loop fasteners, and the intermediate joints 3 a and 3 b themselves function as the temporary fixing portions 4. That is, the whole surface of the surface fasteners of both joints 3a and 3b is not coupled, but is partially coupled and temporarily fixed. If a force is applied in a direction in which one intermediate joint 3a and the other intermediate joint 3b are separated from each other, the partial coupling between the surface fasteners is easily released.

Finally, the use of the anti-slip device according to the present invention will be described with reference to FIG.
1. First, as shown in FIG. 8A, both ends of the inner belt 1 and the outer belt 2 are stretched and aligned, and placed on the ground on the back side of the tire. Before this, the intermediate joints 3 a and 3 b of the outer belt 2 are temporarily fixed by temporary fixing portions 4.
2. Next, as shown in FIG. 8B, the inner belt joints 1a and 1b of the inner belt 1 are permanently fastened near the top of the tire to connect the inner belt 1 in an annular shape. Similarly, the outer belt joints 2a and 2b of the outer belt 2 are permanently fastened to connect the outer belt 2 in an annular shape. In this case, the intermediate joints 3a and 3b are still temporarily fixed by the temporary fixing portion 4.
3. As described above, after the belts 1 and 2 are connected in an annular shape, the inner belt 1 is dropped onto the back side of the tire. The outer belt 2 is put on the front side of the top of the tire. Then, as shown in FIG. 8 (c), when both sides of the outer side belt 2 at the top on the front side of the tire are simultaneously pulled along the outer periphery of the tire with both hands toward the front side of the tire, the back side Since the intermediate joints 3a and 3b are applied in a direction away from each other, the temporary joints are released and the intermediate joints 3a and 3b that are in a free state appear on the ground contact surface on the front side of the tire. Further, the intermediate joints 3a and 3b are fastened as shown in FIG. With the above operation, the installation work of the anti-slip device to the tire is completed.

  As long as the anti-slip device according to the present invention is a type in which the anti-slip part A is put on the tire tread, the anti-slip part A is not only a ladder-like or turtle-shaped metal chain, but also a synthetic rubber or synthetic resin net-like and synthetic It may be made of the latest fabric such as fiber or felt.

  The inner belt 1 and the outer belt 2 may be a metal chain, a stranded wire, a resin tube covered with a resin tube, or a resin rope, or a combination thereof.

  Moreover, although the example of the temporary fixing part 4 showed the optimal example for each Example, in the present invention, the temporary fixing part 4 temporarily fixes the intermediate joints 3a and 3b, that is, the outer belt 2 is forcibly pulled from the back side of the tire. What is necessary is just to be able to form a fastened state to the extent that it can be released when it is put out (from FIG. 8C to FIG. 8D).

  In the present invention, the inner belt 1 and the outer belt 2 are color-coded, and the inner belt joints 1a and 1b, the outer belt joints 2a and 2b, and the intermediate joints 3a and 3b are color-coded to connect joints of the same color. This makes it much easier to work.

A: Anti-slip part 1: Inner belt 1a: Inner belt joint 1b: Inner belt joint 2: Outer belt 2a: Outer belt joint 2b: Outer belt joint 3a: Intermediate joint 3b: Intermediate joint 4: Temporary fastening part 5: Reinforcing material

Claims (1)

An anti-slip device for an automobile tire used on a tire tread, wherein an inner belt (1) connected in an annular shape inside the tire, an outer belt (2) connected in an annular shape on the outer side, the inner belt (1), and the above An anti-slip device for a tire comprising an anti-slip portion (A) disposed between an outer belt (2) and a pair of intermediate joints (3a) and (3b) provided at an intermediate portion of the outer belt (2). A temporary fastening portion (4) for temporarily fastening the pair of intermediate joints (3a) and (3b) so as to be easily releasable, and the temporary fastening portion (4 ) has a tube attached to one of the intermediate joints (3a). An anti-slip device for a tire, wherein the piece is provided with its opening open, and the temporary fastening portion (4) is not involved in the final fastening.

Images