JPH057043Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a connecting fitting for a tire anti-slip device that prevents tires from slipping.

(Prior Art) Non-metallic tires are attracting attention as anti-slip devices for automobile tires in place of metal tires.

This type of tire skid device is shown in Fig.
183205), a band-shaped wrapping body 11 is wound around the outer circumferential surface of a tire 1, connecting band portions 18A and 18B at both ends of the wrapping body 11 in the longitudinal direction are connected to face each other, and the winding is Tightening cables 12A and 12B are engaged with the left and right side edges of the body 11, and both connecting band portions 18
A first metal 26 connecting the ends of A and 18B
and the tightening rope 1 at the end of each connecting band 18A, 18B.
In addition, the tightening cable 12A that connects both ends requires a fourth metal fitting 29 for connecting both ends.

(Problem to be solved by the device) In the above-mentioned prior art, one metal fitting always has two
Since the components are merely connected and a large number of metal fittings are required to attach the wrapper, the tire anti-skid device is cumbersome and difficult to attach and detach, increasing the possibility of an accident when attaching or detaching, and also increasing costs.

(Means for solving the problem) The present invention forms three connecting parts in one metal fitting, and connects the two connecting belt parts 18A, 18B of the wrapping body 11 and one tightening rope 12 at the same time. With this configuration, the problems of the prior art described above can be determined.

That is, the specific configuration of the problem solving means in the present invention is formed by bending both ends and the middle part of one wire, the middle part 14a is connected to one end of the tightening rope 12, and the one end 14b is bent. The tension rope 12 is connected to one connecting band part 18 of the attached body 11, and the other end is connected to the other connecting band part 18 of the wrapping body 11 and the tightening rope 12 connected thereto.
A connecting fitting of a tire skid device connected to the other end, in which a middle part 14a of a wire is wound round to form a closed loop ring, and both ends 14b and 14c are crossed when viewed from this annular middle part 14a. It is located at a point that protrudes in two directions.

(Function) The connecting fitting 14 has one bent end (attachment part) 14.
b is connected to one connecting band part 18 of the wrapped body 11, the other bent end (engaging part) 14c is indirectly and removably connected to the other connecting band part 18, and an annular intermediate part ( The ring part) 14a is connected to one end of the tightening cable 12, and the other end of the tightening cable 12 is connected to the other end 14c, so that three members can be connected at the same time with one piece formed by bending one wire. Link.

When a tensile force is applied to both connecting bands 18 and both ends of the tightening rope 12 so that their relative positions shift, the annular intermediate portion 14a of the closed loop expands and contracts because the connecting fitting 14 is formed of a single wire. or the intersecting angle of both ends 14b and 14c protruding from the midway part 14a in two intersecting directions changes,
Absorb the tensile force.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

In FIG. 11, reference numeral 1 denotes a pneumatic tire for an automobile, in which a shoulder portion 3, a sidewall portion 4, and a bead portion 5 extend from a tread portion 2 to the left and right, and the left and right bead portions 5 are attached to a rim 7 fixed to a disk 6. It is fitted.

In FIGS. 1 and 11, the tire skid device 10 wrapped around the outer peripheral surface of the tire 1 includes a band-shaped wrapping body 11, a pair of left and right tightening ropes 12A, 12B,
It has a large number of engagement tools 13 and a plurality of connecting fittings 14.

The wrapping body 11 is detachably wrapped around the outer circumferential surface of the tire 1 over the tread portion 2, left and right shoulder portions 3, and sidewall portions 4, and is made of a core material 16 in the form of a net made of rubber, synthetic resin, or the like. It is coated with a covering material 17 consisting of the following, and is formed into a net shape.

Elongated connecting bands 18A, 18B are formed across the entire width at both longitudinal ends of the wrapping body 11, and when the wrapping body 11 is wrapped around the tire 1, the connecting bands 18A, 18 are close to each other and face each other. do. A large number of spikes 19 are planted at intervals in the portion of the wound body 11 that corresponds to the tread.

The same left and right tightening ropes 12A and 12B may be used on both the inner and outer surfaces of the tire mounted on the vehicle, but in this embodiment, the elastic endless rope 12B is used on the outer side.
A non-stretchable end rope 12A is used inside.

The endless tightening cable 12B is made of rubber or a spring, and is removably engaged with a number of engagement tools 13B provided at intervals on one side edge of the wrapped body 11. The engagement tool 13B is made by bending a wire into an S-shape and attaching it to the winding body 11 by caulking one end thereof, and the engagement side of the tightening cable 12B is hook-shaped.

The end-ended tightening cable 12A is formed of wire, rope, or the like, and is inserted through a number of engagement tools 13A provided at intervals on the other side edge of the wrapped body 11. This engagement tool 13A bends a band plate or wire,
One end is attached to the winding body 11 by caulking, and a ring portion through which the tightening cable 12A is inserted is formed at the other end.

Both ends of the ended tightening rope 12A are formed into a loop shape via clamp fittings 20, and one end is connected to the auxiliary connector 2.
It is engaged and connected to the ring portion 21a of No. 1. As shown in FIGS. 9 and 10, the auxiliary connector 21 has a ring portion 21a at one end and a mounting portion 21b at the other end.
1b is attached to one end of the connecting band portion 18A by caulking.

The other end of the ended tightening cable 12A is the first connecting fitting 14A.
The ring portion 14a is connected to the ring portion 14a. First connecting fitting 1
4A, as shown in FIGS. 2 to 4, is made by bending a single wire to form a ring portion 14a in the center, and a mounting portion 14b and an engaging portion 14c on both cut sides. Similar to the auxiliary connector 21, the attachment part 14b is attached to one end of the connecting band part 18B as shown by the two-dot chain line in FIG.
It is attached by penetrating and caulking.
The engaging portion 14c is formed in a hook shape and releasably engages with the a-ring portion 21 of the auxiliary connector 21, and is indirectly connected to the other connecting band portion 18A.

That is, the first connecting fitting 14A is formed by bending both ends and the middle part of one wire, and the middle part (ring part 14a) of the wire is wound round to form a closed loop ring shape, and one end is bent. (attachment part 14b) and the other end (engaging part 14c) protrude in two intersecting (perpendicular) directions when viewed from the midway part, the midway part is connected to one end of the tightening rope 12, and the one end is connected to one end of the tension rope 12. Connecting band part 1
8B, and the other end is connected via an auxiliary connector 21 to the other connecting band 18A and the other end of the tightening rope 12 connected thereto.

A pair of connecting band parts 18A and 18B are connected at one end by a first connecting fitting 14A, and the other end thereof is connected by a second connecting fitting 14B.

The second connecting fitting 14B is shown in FIGS. 1, 5 to 8, and has a front-back symmetrical shape made by bending a single wire. A joint portion 14c is formed. The hook portion 14d is made of double wire, and similarly to the engagement tool 13B, the endless tightening rope 12b is detachably engaged with the hook portion 14d, and the attachment portion 14b is similar to the first connecting fitting 14A as shown in Fig. 6-2. As shown by the dotted chain line, it is penetrated and caulked and attached to the end of the connecting band 18A, and the engaging part 14c is formed in a hook shape and is detachably engaged with the end of the connecting band 18B.

There are two holes between the mounting portion 14b and the engaging portion 14c.
A reinforcing plate 22 is provided to prevent the spread of the folds. This reinforcing plate 22 is formed by winding a band plate around the mounting portion 14b and the engaging portion 14c, and spot-welding both ends of the band plate to the center portion.

In addition, the second connecting fitting 14B is the first connecting fitting 14A.
It may be attached to the side of the connecting band portion 18B where the is attached.

It should be noted that the present invention is not limited to the above embodiments, and can be modified in various ways.

(Effect of the invention) According to the invention described in detail above, the middle part 14a is connected to one end of the tightening rope 12, the one end 14b is connected to one connecting band part 18, and the other end 14c is connected to the other connecting band part and this. The connecting fittings 14, which are connected to the other ends of the tightening ropes 12, are formed by winding a midway part 14a of one wire into a closed loop annular shape. Since they protrude in two intersecting directions, the part connecting the three members can be formed by simply bending one wire rod, making it easy and simple to manufacture at low cost. Even if a tensile force that causes the relative position to shift is applied to the annular intermediate portion 14a,
By deforming, the tensile force can be absorbed, and deformation that would cause the connection with the three members to be released can be prevented.

[Brief explanation of the drawing]

1 to 11 show embodiments of the present invention,
Figure 1 is a developed view of the wrapped state, Figures 2 to 4 are the first
Top view, side view, and front view of connecting fittings, Nos. 5 to 8
The figures show the second connecting fitting, FIG. 5 is a plan view, FIG. 6 is a sectional view taken along the line - - in FIG. 5, FIG. 7 is a side view, and FIG. 8 is a sectional view taken along the line - , Figures 9 and 10 are a front view and a plan view of the auxiliary connector, the first
Figure 1 is a cross-sectional view of the tire anti-slip device in the wrapped state.
FIG. 2 is a developed diagram of the prior art. DESCRIPTION OF SYMBOLS 1... Tire, 2... Tread part, 10... Tire slipper, 11... Wrapping body, 12... Tightening rope,
13...Engagement tool, 14...Connecting metal fitting, 14a...
Ring part, 14b... Attachment part, 14c... Engagement part, 1
4d...Hook part, 18...Connection band part.

Claims (1)

[Claims for Utility Model Registration] It is formed by bending both ends and the middle part of one wire, and the middle part 14a is connected to one end of the tightening cable 12, and the one end 14b is connected to one end of the wrapping body 11. A connecting fitting for a tire skid which is connected to a connecting band 18 and whose other end is connected to the other connecting band 18 of the wrapped body 11 and the other end of the tightening cable 12 connected thereto. , A connecting fitting for a tire skid device, characterized in that a middle part 14a of a wire is wound round to form a closed loop annular shape, and protrudes in two directions intersecting both ends 14b and 14c when viewed from the middle part 14a. .