JPH0442167Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a tightening ring body structure for a tire skid device.

(Prior art) Tire anti-skid devices made of metal chains, non-metallic nets such as rubber, etc. are usually made by wrapping a band-shaped body around the outer circumferential surface of the tire, and connecting both longitudinal ends of the band to each other. A tightening ring body made of a rubber ring or a coil spring is connected to the outer peripheral edge side,
The structure was such that the wrapping body was tightened to the tire by the elastic force of the tightening ring body.

(Problem to be solved by the invention) However, according to the structure in which the wrapped body is tightened to the tire by the elastic force of the rubber ring or coil spring, the rubber ring or coil is There was a risk that the spring would be stretched and the wrapped body would float above the tire surface and come into contact with the vehicle body, or fall off from the tire.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention aims to prevent the winding body from floating up from the tire surface or falling off from the tire.

(Means for solving the problem) The technical means is to wrap the band-shaped wrapping body 2 around the outer peripheral surface of the tire 6, and to freely release the connecting parts 7 at both ends of the wrapping body 2 in the longitudinal direction. In addition to connecting to
By locking the tightening ring body 9 made of an annular coil spring and the outer peripheral edge side of the winding body 2 via a plurality of hook bodies 11, the winding body 2 can be tightened.
is tightened to the tire 6, and the tightening ring body 9
The tightening ring body structure of the tire skid device is such that an elongation regulating string 12 is attached in an annular shape along a hollow part in a tightening ring body 9 in order to restrict the elongation of the tightening ring body 9. In order to do this, both ends thereof are connected to the connecting body 16, and both ends of the elongation regulating string 12 are fixed to the connecting body 16 so that the length between both ends can be adjusted.

(Function) According to the present invention, even if the tightening ring body 9 is stretched by the centrifugal force generated when the tire 6 rotates, the elongation regulating string 12 of a certain length is inside the tightening ring body 9. Since the tightening ring body 9 is housed inside, the extension of the tightening ring body 9 is regulated to a constant level, and inadvertent extension can be prevented. When the fixing device 21 of the connecting body 16 of the tightening ring body 9 is loosened to release the fixation of the elongation regulating string 12, only the elongation regulating string 12 can be tightened or loosened.
When the tightening ring body 9 is in operation, it is tightened, and when it is attached or detached, it is loosened.

(Embodiment) Hereinafter, the first embodiment of the present invention will be described based on the drawings. In Figs. 3
, a pair of left and right tightening cables 4, and a pair of left and right connectors 5.
etc.

The wrapping body 2 is detachably wrapped around the outer circumferential surface of the tire 6 over the tread, shoulder, and sidewall parts, and is made by wrapping a net-shaped core material with a covering material made of rubber, synthetic resin, or the like. By covering it, it is formed into a mesh shape. A pair of connecting portions 7 that are elongated in the width direction are provided at both ends of the wound body 2 in the longitudinal direction.

As shown in FIG. 2, the wrapping body 2 is wound around the outer peripheral surface of the tire 6, and the connecting portions 7 at both ends are connected to each other by the connecting tool 5. Further, on the inner and outer surfaces, a tightening cable 4 is attached to each engagement tool 3, respectively. As this tightening rope 4, for example, a side rope, a rubber ring, etc. are used.

Further, in order to tighten the wrapping body 2 to the tire 6, a tightening ring body 9 is attached to the outer surface side. The tightening ring body 9 is formed into an annular shape by connecting both ends of a coil spring made of steel wire or the like with a connecting body 16, and is fitted onto the outside of the tightening ring body 9 so as to be relatively movable. A plurality of hook bodies 11 are attached. Additionally, an annular stretch regulating string 12 is provided along the hollow part within the tightening ring body 9.
It's decorated. The elongation regulating string 12 is made of a non-elastic material such as fiber, steel wire, or glass fiber, and is formed into an annular shape by connecting both ends to each other via a connecting body 16. Then, the hook portions 14 of each hook body 11 are engaged with the tightening cables 4 located at the outer peripheral edge portion at appropriate intervals against the elastic force of the tightening ring body 9, and the elastic force of the tightening ring body 9 By pulling the tightening cable 4 inward, the wrapped body 2 is tightened around the tire 6. In FIG. 3, a connecting body 16 connecting both ends of the tightening ring body 9 has a string insertion hole 17. Both ends of the tightening ring body 9 are externally fitted onto both ends of the connecting body 16, respectively, and are caulked by caulking tubes 18. Further, a female threaded hole 19 and a through hole 20 are provided in communication with the string insertion hole 17, and both ends of the elongation regulating string 12 are connected to the string insertion hole 17.
The connector 16 is inserted into the connector 16 and protrudes from the through hole 20 to the outside of the connector 16. A fixing screw (fixing tool) 21 is screwed into the female screw hole 19, and when the fixing screw 12 is loosened, the length of the elongation regulating string 12 can be adjusted freely.
1, the elongation regulating string 12 is configured to be fixed to and released from the connecting body 16 via the fixing screw 21 so that the length of the elongation regulating string 12 is fixed.

Therefore, with the fixing screw 21 loosened, the tightening ring body 9 is attached, and in this state, the elongation regulating string 12 is
By making the fixing screw 21 approximately the same length as the entire length of the tightening ring body 9, the expansion of the tightening ring body 9 is reliably regulated, and floating or falling off from the tire 6 can be more reliably prevented.

In the above embodiments, a structure in which the hook body 11 of the tightening ring body 9 is locked to the tightening rope 4 is shown. may be directly attached to the side chain or side rope.

(Effects of the invention) According to the invention, the band-shaped wrapping body 2 is wound around the outer peripheral surface of the tire 6, and the connecting portions 7 at both ends of the wrapping body 2 in the longitudinal direction are releasably connected to each other. The wrapping body 2 is tightened to the tire 6 by locking a tightening ring body 9 made of an annular coil spring and the outer peripheral edge side of the wrapping body 2 via a plurality of hook bodies 11. The tightening ring body structure of the tire skid device is such that an elongation regulating string 12 is attached in an annular shape along a hollow part in the tightening ring body 9 in order to restrict the stretching of the tightening ring body 9. Both ends of the tightening ring body 9 are connected to the connecting body 16 to form an annular shape, and both ends of the elongation regulating string 12 are fixed to the connecting body 16 so that the length between both ends can be adjusted freely. and band-shaped wrapped body 2
can prevent the tires from floating or falling off the surface of the tires 6,
In addition, the stretching length of the tightening ring body 9 is increased by the stretching regulating string 1.
2, and in addition, the stretch regulating string 12 is
The length between both ends can be adjusted, and the elongation regulating string 12 can be tightened when the tightening ring body 9 is in operation to more strongly suppress the elongation of the tightening ring body 9, and loosened when the tightening ring body 9 is attached or removed. This makes it possible to perform the attachment/detachment work.

[Brief explanation of the drawing]

FIG. 1 is a side view showing a first embodiment of the present invention, FIG. 2 is a perspective view showing the same in the installed state, and FIG. 3 is a sectional view of the main part thereof. DESCRIPTION OF SYMBOLS 1... Tire slipper, 2... Wrapping body, 6... Tire, 7... Connecting part, 9... Tightening ring body, 11
...Hook body, 12...Stretch regulation string.

Claims (1)

[Claims for Utility Model Registration] Wrapping the band-shaped wrapping body 2 around the outer peripheral surface of the tire 6,
The connecting portions 7 at both longitudinal ends of the wrapped body 2 are releasably connected to each other, and a plurality of hooks connect the tightening ring body 9 made of an annular coil spring to the outer peripheral edge side of the wrapped body 2. The wrapping body 2 is tightened to the tire 6 by being locked through the body 11, and in order to restrict the expansion of the tightening ring body 9, an elongation regulating string 12 is inserted into the hollow inside the tightening ring body 9. The tightening ring body structure of the tire skid device is attached in an annular shape along the front part of the tire. A tightening ring body structure for a tire skid device, characterized in that a part is fixed to a connecting body 16 so that the length between both ends can be freely adjusted.