JPH084324Y2 - Connecting device for anti-skid device for vehicle - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention relates to a connector for a vehicle anti-slip device that is used by mounting it on a tire of an automobile or the like, and its purpose is to facilitate the attachment / detachment operation. In addition, the elastic piece member is firmly and stably fixed to the metal rod member, and the metal rod member itself is reinforced, so that the connecting member is remarkably strengthened as a whole.

(Prior Art) In a commonly used tire chain connector, both ends of a metal rod are bent so as to face each other inward to form a hook-shaped portion, and between the hook-shaped portions. A connecting member for a vehicle anti-skid device, in which a flat elastic piece member is integrally formed with a gap portion having a width narrower than that of a binding member to be connected to, is known, for example, as disclosed in Japanese Utility Model Laid-Open No. 60-132908. .

(Problems to be solved by the invention) However, in each of the above-mentioned conventional techniques, since the fixing portion of the elastic piece member to the metal rod is formed integrally with the straight portion of the metal rod, When a load acts on the elastic piece member in the direction around the axis of the metal rod,
Alternatively, when a load is applied in the axial direction, there is no catching surface for exerting a large resistance force between the elastic piece member and the metal rod, and the fixing portion of the elastic piece member is often loose. In addition to the problem that the elastic piece member shifts in the axial direction or the axial direction of the metal rod and the connection of the binding members becomes unstable, the metal rod itself is linear, so it is hook-shaped. There is a problem that the strength is weak against the expanding force acting on the portion, and the strength of the entire fixture is insufficient.

(Means for Solving the Problems) The present invention aims to solve the above problems, and bends both ends of a metal rod so as to face each other inwardly to form a hook-shaped portion. A flat plate-like elastic piece member comprising a gap portion having a width narrower than that of the binding member to be connected to each hook-shaped portion tip of the metal rod member and a concave portion continuously curved inward to the gap portion. In a connector for a vehicle anti-skid device formed by integrally molding, a metal rod member of an elastic piece member integrally-molded portion between both hook-shaped portions at both ends of the metal rod member,
A curved projection portion in which the axis of the hook-shaped portion base end portion and the axis of the curved projection portion are mutually displaced in a parallel state in the same plane, and which further projects toward the tip end side of the hook-shaped portion in a gentle curved shape; None, and further, the flat plate-shaped elastic piece member including the curved projection part and the base end part of the hook-shaped part is integrally molded into a flat plate shape in which the metal bar material is thick on the molding side and the elastic projection part side is thin. It is characterized by having done.

(Example) Hereinafter, one example shown in the accompanying drawings will be described in detail.

In FIG. 1, 6 is a locking member for the binding members 1, 1 ', which is a metal rod material having a required hardness as shown in FIGS.
Bend both ends of 6a to form hook-shaped parts 6b, 6b,
By providing a required gap 6c (a gap smaller than the diameter or thickness and width of the binding members 1, 1 ') between the hook-shaped portions 6b, 6b, a synthetic rubber having a required hardness, plastic, etc. The flat elastic piece member 6d is integrally formed by an injection mold or the like. Reference numeral 6e denotes a concave portion which is curved inward continuously from the gap portion 6c of the elastic piece member 6d to facilitate bending of the elastic piece member 6d and to be locked in the binding members 1, 1 '. This is for stabilizing the locked state of the ring portions 2, 2 ', 3, 3'.

As shown in FIG. 2, the elastic piece member 6d is thick on the side integrally formed with the metal rod 6a and thin on the side of the elastic protrusion 6g. The metal rod 6a may be a round rod, a square rod, a flat plate or any other suitable shape. 6f is a curved projecting portion formed in the elastic piece member integral molding site between the hook-shaped portions 6b, 6b at both ends of the metal rod 6a, the hook-shaped portions 6b, 6b base end of the metal rod 6a The axis of the and the axis of the curved projection 6f are mutually displaced in a parallel state in the same plane, and further, the hooks 6b, 6b are bent so as to project in a gentle curved shape toward the tip end side, The elastic piece member 6d is integrally formed including the curved projecting portion 6f and the base end portions of the hook-shaped portions 6b, 6b.

Also, the binding members 1, 1'are ropes as shown in FIG.
A band, chain, or other cord made of an appropriate material, which is shorter than the circumference of the tire. 2, 2 ′ are engagement ring portions provided at both ends of the binding member 1,
It may be formed of the same member as the binding member 1 or another member.

Reference numeral 1'denotes a binding member located on the outside of the vehicle at the time of wearing, and is formed by a cord body made of the same material as the binding member 1, and both ends thereof have engaging ring portions similar to the binding member 1. 3, 3'are provided and further cut and separated at a required position, and one of the cut and separated ends is formed as a hook ring 4 and the other is formed as a hook 4 '. In addition, the above hook 4
The hooks 4'may have any structure as long as the cut and separated ends of the binding member 1'can be locked together, and the length thereof can be tightened. Denoted at 5 are anti-slip members having both ends bound to each other at required intervals so that the binding members 1 and 1'have a ladder shape, and may be made of a chain, rubber, plastic or other appropriate material.

The cut-and-separated end of the binding member 1'may itself be elastically tightened or, as shown in FIG. 5, after engaging one end of the cut-and-separated end, appropriately pulled and tightened. Any means or structure may be used as long as it can tighten 1 '. Furthermore, the binding member itself may be stretchable.
A is a wheel, B is a tire, C is a tread of the tire, and D is a side surface of the tire.

(Effects of the Invention) As described above, according to the present invention, both ends of the metal rod are bent so as to face each other inwardly to form hook-shaped portions, and the tips of the hook-shaped portions of the metal rod are also formed. A slip stopper for a vehicle integrally molded with a flat elastic piece member having a gap portion having a width narrower than that of a binding member to be connected between and a concave portion continuously curved inwardly to the gap portion. In the connecting tool, the metal rod of the elastic piece member integrally molded portion between the hook-shaped portions at both ends of the metal rod is in the same plane with the shaft center of the hook-shaped portion proximal end and the shaft center of the curved protrusion. In the flat plate including the curved projections and the base ends of the hook-shaped portions, the curved projections are mutually displaced in parallel to each other and project toward the distal end side of the hook-shaped portions in a gentle curved shape. -Shaped elastic piece member is thick on the side integrally molded with the metal rod, and thin on the elastic protrusion side Since it is molded integrally in a flat plate shape,
It is possible to increase the resistance surface of the integrally formed portion of the flat elastic piece member around the axis of the metal rod having the hook-shaped portions at both ends and in the axial direction, that is, the base end of the hook-shaped portion of the metal rod. The axial center (rotation center) of the curved part and the axial center (rotation center) of the curved protrusion are offset from each other in parallel on the same plane, increasing the axial and axial resistance between them. As a result, the elastic piece member can be firmly fixed to the metal rod member, the attachment / detachment operation of the binding member can be easily performed, and a stable locked state can be obtained. The bending resistance and tensile strength of the metal rod itself can be increased by the portion, and as a result, the metal rod can sufficiently withstand the expanding force acting on the hook-shaped portion of the metal rod during traveling of the vehicle, and the engaging member. Stronger overall strength In addition to the above, the amount of molding of the elastic piece member on the concave curved surface side of the curved protrusion of the metal rod can be increased as compared with that of the conventional linear metal rod, It is also possible to increase the strength of the elastic piece member itself in the integrally molded part with the bar material, etc.
There are various effects.

[Brief description of drawings]

1 to 5 show an embodiment of the present invention. FIG. 1 is a front view, FIG. 2 is a sectional view taken along the line AA in FIG. 1, and FIG. FIG. 4 is a plan view of the tool, FIG. 4 is a perspective view after the same is mounted, and FIG. 5 is a front view of the same. 1,1 '... Banding member, 2,2', 3,3 '... Engaging member, 4 ...
... Hook ring, 4 '... Hook, 5 ... Skid prevention member, 6 ... Locking member, 6a ... Metal rod material, 6b ... Hook-shaped portion, 6c ... Gap portion, 6d
...... Elastic piece member, 6e ...... Concave part, 6f ...... Curved protrusion part, A
…… Wheels, B …… Tire, C …… Tread of tire, D ……
The side of the tire.

Claims (1)

[Scope of utility model registration request] 1. A binding member which is bent so that both ends of a metal rod are bent inwardly to form a hook-shaped portion, and which is connected between the ends of the hook-shaped portion of the metal rod. A connecting member for a vehicle anti-skid device, comprising a flat elastic piece member integrally molded with a narrow gap portion and a concave portion that is curved inward continuously to the gap portion. The metal rod material of the elastic piece member integrally molded portion between both ends of the material, the shaft center of the hook-shaped part base end and the axis of the curved projection part are mutually displaced in a parallel state in the same plane, Moreover, the plate-like elastic piece member is formed as a curved projecting portion that projects in a gentle curved shape toward the distal end side of the hook-shaped portion, and further includes the curved projecting portion and the base end portion of the hook-shaped portion, which is made of metal. Molded integrally into a flat plate that is thick on the side of the bar material and thin on the side of the elastic protrusion. Connector in the vehicle anti-slip device made by.