JPS63101108A - Nonskid device for tire - Google Patents

Abstract

PURPOSE:To stabilize fitting and to prevent the breakage of an inside rope by connecting one end of a nearly Y-shaped plane nonskid body in the vertical direction to a rope slidably in the longitudinal direction of the rope, connecting the other end to a metal chain respectively in a nonskid device for a vehicle, and fitting it, with the rope kept on the outside of a tire. CONSTITUTION:A nonskid device is constituted of a rope 5, a chain 6, and a nearly Y-shaped plane nonskid body 1. The base piece 2 of this Y-shaped nonskid body 1 is connected to the chain 6 via an inside connecting metal 7 removably coupled with a coupling hole 4. Shear-leg pieces 3 are connected to the rope 5 slidably in the longitudinal direction of the rope 5 via outside connecting metals 8 removably fitted to holding holes 4. The nonskid device thus constituted is fitted to a tire so that the chain 6 is kept inside the tire and the rope 5 outside the tire. According to this constitution, this device can be fitted easily and correctly, and the inside rope cen be prevented from being broken.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a tire anti-slip device for preventing vehicle tires from slipping during snowfall, etc.

(Prior art) Metal tire chains are commonly used as anti-skid devices attached to vehicle tires when driving on snowy, frozen or muddy roads. Because of this, it is difficult to attach the tire to the tire, and it also generates vibration and noise when driving and tends to damage the road.

For this reason, recently, as seen in Japanese Patent Publication No. 57-53204, Utility Model Application No. 51-138803, etc., rubber or synthetic resin material is used to create a flat plate between parallel cable bodies such as ropes or wires. A non-slip device is a non-slip device in which a large number of non-slip bodies each having a U-shape or an X-shape in cross section are arranged in a ladder shape, and both ends of these bodies are caulked and fixed to a cable body using connecting fittings. Proposed.

This device uses a length adjuster or the like to pull the cable body on the inside of the tire to position it, and then pulls the cable body on the outside of the tire strongly in the same way to attach it.

Therefore, this type of conventional anti-slip device still has the following problems that need to be improved.

That is, first of all, an adjustment part is required to adjust the length of the inner cable member, and the adjustment work is not easy, and each anti-slip member is fixed to both guide members by caulking. When the cables on the outside of the tire are pulled, each non-slip member is pulled simultaneously, and not only does the above pulling force require a large amount of force due to the friction between the inner surface of the non-slip member and the outer circumferential surface of the tire, but also the tension between the inside and outside of the non-slip member The connecting ends are not fixed at an even pitch, which affects the anti-slip function.

Furthermore, when the vehicle is running, the cables attached to the inside of the tires tend to come into contact with the suspension arms of the vehicle body, and ropes or wires can easily break, causing unexpected accidents.

Regarding the shape of the non-slip body, first, in the case of a flat non-slip body, although sufficient driving force can be obtained, it is difficult to sufficiently hold the vehicle body against skidding. On the other hand, the X-shaped anti-slip body has a problem in that the braking effect against skidding of the vehicle body is too strong, thereby impairing the maneuverability of the vehicle.

(Purpose) In view of the above circumstances, the present invention has been developed to easily and relatively easily attach an anti-skid device to a tire without causing any misalignment in the arrangement of the anti-skid body between the outside and inside of the tire. It can be installed without requiring a lot of force, and the cables inside the tire will not break when driving, and it provides sufficient grip when braking, and provides adequate grip when skidding. The purpose of this invention is to provide an anti-slip device that can be expected to have good performance.

(Structure) In order to achieve the above-mentioned object, the present invention includes a large number of anti-slip bodies made of rubber or synthetic resin material at appropriate intervals between two parallel cable bodies via a connecting member. In the anti-slip device for a tire, the cable body attached to the inside of the tire is formed of a metal chain, while the cable body attached to the outside of the tire is formed of a linear member such as a rope, One end in the vertical direction of a non-slip body formed in a Y-shape is attached to the rope via an outer connecting member so as to be slidable in the longitudinal direction of the rope, while the above-mentioned slip I
The feature lies in that the other end of the E-shaped body in the vertical direction is engaged with a predetermined ring of the metal chain via an inner connecting member.

(Example) Hereinafter, the present invention will be described in detail based on the illustrated example.

Figure 2 shows an anti-skid device S according to an embodiment of the present invention. Figure 1 shows the device S mounted on a tire T, and Figure 2 shows the device S. The top view of the figure is shown.

In both figures, first, reference numeral 1 is a non-slip body made of rubber or synthetic resin material and formed into a Y-shape on a flat surface. is integrally molded. Engagement holes 4 are formed at the end of the base piece 2 constituting the anti-slip body 1 and at both ends of the bifurcated piece 3.3 branched from the base piece 2 in a V-shape.

An inner connecting fitting 7 or an outer connecting fitting 8, which will be described later, is removably engaged with this engaging hole 4.

Furthermore, a tread pattern is formed on the upper surface of the anti-slip body 1, which is the ground contact surface, for reliably gripping snow surfaces and the like. Spike pins are appropriately driven into the three-way intersection between the base piece 2 and the forked piece 3.3.

Reference numeral 5 designates one of the parallel cable bodies attached to the outside of the tire, and this cable body 5 is formed of a linear member such as a rope or wire. A loop 9 is provided at the end, and a hook 10 is provided at the other end.

Reference numeral 6 designates the other rope body that is paired with the above-mentioned one rope body and is attached to the inside of the tire, and is made of a metal chain. Possible hooks are installed.

The anti-slip body 1 is constructed by placing the base piece 2 on the metal chain 6 side and the bifurcated piece 3 on the rope 5 side.
Although it varies depending on the size of the tire, in this example there are 8 pieces)
are arranged in parallel between both guide strips 5 and 6.

Reference numeral 7 denotes an inner connecting fitting that connects the base piece 2 and the metal chain 6. Both ends of the plate material are bent into a U shape, and the -DQ can be detachably attached to the above-mentioned engagement hole 4 of the base piece 2. While engaging, the other end is fixed to one ring of the chain 6 so as not to come off. The other end of the connecting fitting 7 slides relative to the ring.

Reference numeral 8 denotes an outer connecting fitting for connecting the bifurcated piece 3 and the rope 5, and this fitting is formed into a three-pronged shape by punching out a metal plate, as shown in FIG. is bent into a round shape, through which the rope 5 is slidably inserted, and the other two ends 8b, 8b are bent into a U-shape to connect the bifurcated pieces 3 of the adjacent anti-slip bodies 1.1, Engagement holes 4, 4 in each row of 3
is removably engaged with.

The anti-slip device S thus constructed is mounted on the tire T in the manner shown in FIGS. 4 to 8.

First, this anti-slip device S is laid in a position close to the tire T, with the chain 6 being on the inside of the tire T and the rope 5 being on the outside of the tire T. At this time, remove the anti-skid body 1 closest to the tire T from the two outer connecting fittings 8.8 on the lobe side (see Figure 4), and then attach the removed anti-skid body 1 to the tire T. Turn it inward and re-engage the outer coupling fitting 8.8 from the rear of the tire T (see Figure 5). As a result, the tires T are positioned on the anti-skid device S without moving the vehicle.

Next, the anti-slip device S extending to the left in FIG. (see FIG. 6), the cable member 6 on the inside of the tire T is attached to the tire T (see FIG. 7). Figure 8 (
As shown in a), if the hook 12 is attached to the ring of the chain 6 with which each connecting member 7 is engaged, the chain 6
When there is slack in the anti-slip bodies 1, the spacing between the anti-slip bodies 1 can be easily adjusted evenly by dragging the number of rings corresponding to the length of the slack and hooking the hooks 12 on the rings (see Figure 8). reference). Hook 12 for adjusting slack
By providing this, it is possible to provide an anti-slip device S that can fit tires of various diameters with a single device.

When the metal chain 6 is fully engaged, the anti-skid device S has the outside portion of the tire T in a state as shown in FIG. 9. Therefore, a hook 10 provided at one end of the rope 5
After hanging it on the loop 9 formed at the other end of the rope 5,
When the end of the rope 5 is pulled strongly, the rope 5 is attached to the non-slip body 1
Each anti-slip body 1 is tightened to the outer circumferential surface of the tire T by sliding within the one end of the connecting fitting 8 that is engaged with the forked piece 3 of the tire T. Each anti-slip body 1 is positioned at an even pitch when the metal chain 6 inside the tire T is attached, so even when the rope 5 is pulled, the anti-slip bodies 1 can be securely tightened without causing uneven shifts in pitch. It will be done. Moreover, the anti-slip body 1
Since the connecting fitting 8 at the outer end of the tire is not positioned and fixed to the rope 5, even if the rope 5 is pulled, the anti-slip body 1 will not be pulled against the friction on the outer circumferential surface of the tire. The anti-slip body 1 can be tightened and fixed with a relatively small force.

Next, the operation of the anti-skid body 1 of the anti-skid device S mounted on the tire T in this manner will be explained with reference to FIGS. 11(a) and 11(b).

First, when driving and braking a vehicle, as shown in Figure (A), when an acting force F, shown by the solid line, acts on the tire T, the force F shown by the solid line in the figure mainly applies to the base piece 2 and the forked piece 3. While the side edges resist the road surface, the acting force F shown by the broken line in the figure
When this is activated, the side edges of the base piece 2 and the forked piece 3, indicated by broken lines in the figure, resist the road surface, resulting in reliable grip during drive braking.

In addition, when the vehicle skids and the acting force F acts in the direction shown by the solid line in the figure (b), the V-shaped fork 3.3 When the inner end (the side end indicated by the solid line in the figure) is acted upon, or when the acting force F acts from the direction indicated by the broken line in the figure, the outer end of the bifurcated piece 3.3 (the side end indicated by the broken line in the figure) grips the road surface and resists. Therefore, only the -Q side bifurcated piece 3.3 of the anti-slip body 1 resists this force, and as a result, the B vibration force acts appropriately to effectively prevent the i1 body from skidding, and the vehicle Improves vertical feeding stability.

Further, since the cable body inside the tire T is formed by the chain 6, it will not be easily cut off even if it comes into contact with a suspension arm or the like while the vehicle is running.

In addition, in order to remove this anti-slip device from the tire T, it is sufficient to remove it by performing the reverse operation described above.

In the embodiment described above, the anti-slip body is arranged so that its base piece is on the inside of the tire, but the present invention is not limited to this. The anti-slip bodies may be attached so that the pieces are on the inside of the tire, or a large number of anti-slip bodies may be attached between the cable bodies so that the bifurcated pieces and the base pieces are alternated.

(Effects) As described above, according to the present invention, in the anti-slip device in which the anti-slip body is arranged in a ladder shape between two parallel cable bodies, the cables attached to the inside of the tire While the body is formed by a metal chain, the cable body attached to the outside of the tire is formed by a lobe, and the length of the rope is attached to a connecting member attached to one end of each anti-slip body. Since it is attached so that it can slide freely in the direction, the anti-skid device can be easily attached to the tire by pulling the cable on the outside of the tire without requiring a large tensile force.
Moreover, each anti-slip body can be easily mounted at equal intervals without causing any deviation in the arrangement of the anti-slip bodies on the outside and inside of the tire.

Furthermore, since the cable inside the tire is formed of a metal chain as described above, it can be easily attached by simply hooking the hook at the end to the ring, and moreover, it will not break during running.

Furthermore, according to the present invention, since the anti-skid body has a Y-shaped plane, during braking, mainly both ends of the anti-skid body can resist the road surface and exhibit good grip. When the vehicle skids sideways, the inner and outer end portions of the two-pronged anti-slip body exhibit appropriate grip properties and can sufficiently hold the vehicle body.

[Brief explanation of the drawing]

The drawings show an anti-skid device according to an embodiment of the present invention, in which FIG. 1 is an overall perspective view of a tire on which the device is mounted, FIG. 2 is a plan view of the device, and FIG. 3 is a view of the same device. FIGS. 4 to 10 are explanatory views of how to attach the device, and FIG. 11 is an explanatory view of the action of the anti-slip body of the device. 1... Anti-slip body 2... Base piece 3... Bifurcated piece 4... Engagement hole 5... Lobe 6... Chain 7.8... Connecting fitting 10.11.12 ···hook

Claims (4)

[Claims] (1) In an anti-slip device for a tire, in which a large number of anti-slip bodies made of rubber or synthetic resin are attached at appropriate intervals between two parallel cable bodies via connecting members. The cable body attached to the inside of the tire is formed of a metal chain, while the cable body attached to the outside of the tire is formed of a linear member such as a rope, and the anti-slip tire is formed into a substantially Y-shaped plane. One end of the body in the vertical direction is attached to the rope via an outer connecting member so as to be slidable in the length direction of the rope, while the other end of the anti-slip body in the vertical direction is attached to the inner connecting member. An anti-slip device for a tire, characterized in that it is locked to a predetermined ring of the metal chain via. (2) The non-slip body is characterized in that its V-shaped bifurcated piece constituting it is connected to a rope, and the vertically elongated base piece is connected to a metal chain. The anti-slip device for tires according to item 1. (3) The anti-slip body is disposed between the cable bodies in the same direction, each of the bifurcated pieces of two parallelly adjacent anti-slip bodies are aligned at the end, and the end 3. The anti-slip device for a tire according to claim 1, wherein the anti-slip device for a tire is connected to a rope via one external connecting fitting formed in a trifurcated shape. (4) A patent claim characterized in that the anti-slip body is arranged between the cable bodies so that its bifurcated pieces and base pieces are alternated, and the end portion is connected to the cable body. The anti-slip device for tires according to item 1.