JP3119005U - Anti-slip device for automobile tires - Google Patents

Abstract

[Configuration] A required number of cross members are bridged between a back side member and a front side member in a ladder shape. A base side member and an auxiliary side member are arranged in series as the front side member. The auxiliary side member tightening member is wound around the one-way pulley of the base side member and folded back. The auxiliary side member is made of a flexible elastic rope material. A latching member is installed between the connecting portion of the auxiliary side member with the cross member and the adjacent connecting portion. An automobile tire slip prevention device in which a fastening member is hooked on the hook member.
The auxiliary side member can form a smooth arc. For this reason, if this anti-skid device for automobiles is used, the auxiliary side member will not be rattled, the effect of tightening as a chain will be improved, and the function as an anti-slip device will be sufficiently exerted.
[Selection] Figure 3

Description

  The present invention relates to an automobile tire anti-slip device, and more particularly to a ladder type tire chain, a ring type tire chain, and a non-metallic type tire chain.

  In this type of conventional vehicle tire slip prevention device M, as shown in FIGS. 5 and 6, the cross chain 60 is wound along the width direction of the tire 10, and the back side wire 50 is wound around the tire 10. Are arranged in an annular shape along the direction and both ends thereof are connected, and a front side chain (consisting of a basic side chain 31 and an auxiliary side chain 32) 30 is arranged in an annular shape along the circumferential direction of the tire 10. At the same time, both ends thereof are connected, and further, the winding chain 71 in the front side chain 30 is wrapped around the ratchet with a ratchet 70 of the basic side chain 31 and then folded back on the auxiliary side chain 32 side, and the elastic member 72 is interposed. And tighten the appropriate position of the winding chain 71 to the auxiliary side chain 32 by the locking tools 90, 90. It had.

  However, since the auxiliary side chain 32 in the front side chain is constituted by a chain, the auxiliary side chain 32 approaches the center of the tire 10 when the winding chain 71 is tightened. The wheel or wheel cap is easily damaged, and even if the winding chain 71 is tightened, the auxiliary side chain 32 comes only by the center of the tire and the elastic member 72 at the tip of the winding chain 71 extends and assists while the vehicle is running. Since the side chain 32 cannot be prevented from loosening and the effect of the automatic tightening cannot be improved, the deviser connected a plurality of rigid members in a rope shape with a connector instead of the auxiliary side chain 32. An invention has been devised and a patent application has already been filed (Japanese Patent Laid-Open No. 2000-313214).

JP 2000-313214 A

  However, in the conventional automobile tire anti-slip device M, since a plurality of rigid members are connected in a zigzag shape instead of the auxiliary side chain 32, there is a disadvantage that there is rattling and it is difficult to tighten. .

  The problem of this device is to eliminate these disadvantages.

In order to achieve the above object, in the vehicle tire anti-skid device according to the present invention, the back side member and the front side member are arranged substantially in parallel, and a required number of cross members are hung between these side members. The base side member and the auxiliary side member are arranged in series as the front side member, and a one-way pulley is installed at the auxiliary side member end of the base side member and at the base side member end of the auxiliary side member A flexible fastening member is connected, the cross member is wound along the width direction of the tire and the back side member is annularly arranged along the circumferential direction of the tire, and both ends thereof are connected; and Both ends of the front side member are connected in a state of being annularly arranged along the circumferential direction of the tire, and the auxiliary side portion In the clamping member of an automotive tire antiskid device for hooked appropriate position tighten in wound overlapped state folded to the auxiliary side member side to the one-way with the pulley of the base side member,
The auxiliary side member is made of a flexible elastic rope material, and a latching member is installed between the connecting part of the auxiliary side member with the cross member and the adjacent connecting part, and the fastening member is tightened to the clamping member. The member is hung.

  A wire rope can also be used as the flexible elastic rope material.

Further, a cylindrical spacer can be externally fitted between the connecting portion of the flexible elastic rope member with the cross member and the latch member.

  Since the automobile tire slip prevention device according to the present invention is configured as described above, that is, the auxiliary side member is formed of a flexible elastic rope material, and the connecting portion of the auxiliary side member with the cross member; Since the latching member is installed between the adjacent connecting portions and the clamping member is latched on the latching member, the auxiliary side member can form a smooth arc. For this reason, if this anti-skid device for automobiles is used, the auxiliary side member will not be rattled, the effect of tightening as a chain will be improved, and the function as an anti-slip device will be sufficiently exerted.

  In addition, if the flexible elastic rope material is a wire rope, a flexible elastic rope material having excellent durability can be secured.

  Further, if a cylindrical spacer is externally fitted between the connecting portion of the flexible elastic rope member to the cross member and the hook member, the hook member slides with respect to the flexible elastic rope member. Therefore, it can be installed at a predetermined position.

  In the present invention, the auxiliary side member is made of a flexible elastic rope material, and a latching member is installed between a connecting portion of the auxiliary side member with the cross member and the adjacent connecting portion. It has the most important feature in that the fastening member is latched on the member.

Hereinafter, embodiments of the present invention will be described.
1 is a front side view of a tire equipped with an anti-skid device for an automobile according to the present invention, FIG. 2 is a back side view thereof, FIG. 3 is an enlarged view of a portion III in FIG. 1, and FIG. .

  1 and 2, W is a vehicle wheel, and 10 is a tire installed on the wheel W. Reference numeral 20 denotes a tire chain wound around the tire 10 and corresponds to an “antiskid device for automobiles” according to the present invention.

  1 and 3, reference numeral 30 denotes a front side member, a basic side chain (corresponding to the “basic side member” of the present invention) 31 and an auxiliary wire rope (corresponding to the “auxiliary side member” of the present invention) 32. Are arranged in series. Here, the auxiliary wire rope 32 corresponds to a flexible elastic rope.

  33 are U-shaped couplers (corresponding to the “connecting portion” of the present invention), and are fitted on the auxiliary wire rope 32 at appropriate positions. A cross chain 60 (corresponding to the “cross member” of the present invention) 60 is connected to the auxiliary wire rope 32 via the U-shaped connector 33. 331, 331,... Are latching hooks (corresponding to “hanging members” of the present invention), and are alternately fitted over the adjacent U-shaped couplers 33 in the auxiliary wire rope 32.

  Locking hooks 34 and 35 are connected to both ends of the auxiliary wire rope 32. The functions of the hooks 331 and the hooks 34 and 35 will be described later. 321, 321,... Are flexible cylindrical spacers that are externally fitted between the connecting portion 33 and the hooking hook 331 in the auxiliary wire rope 32. For this reason, the latch hook 331 can be prevented from sliding relative to the flexible auxiliary wire rope 32.

  In FIG. 2, reference numeral 50 denotes a back side wire (corresponding to a “back side member” of the present invention), and a required number of flexible tubes 52, 52,. In addition, connecting tools 54 and 55 are installed at both ends of the back side wire 50. The front side member 30 and the back side member 50 are arranged substantially in parallel.

  60, 60,... Is a cross chain (corresponding to the "cross member" of the present invention), and its end is a U-shaped connector 33, 33, ... of the auxiliary wire rope 32 in the front side member 30 or the foundation The side chain 31 is connected to an appropriate link, and the other end is connected to the connectors 53, 53 of the back side wire 50.

Returning to FIG. 1, reference numeral 70 denotes a pulley with a ratchet, which is installed on the side of the auxiliary wire rope 32 in the foundation side chain 31. Reference numeral 71 denotes a winding chain (corresponding to the “clamping member” of the present invention), one end of which is hooked on the locking hook 35 of the auxiliary wire rope 32 and wound around the ratchet pulley 70, It is folded back to the auxiliary wire rope 32 side (see FIG. 4).
Reference numeral 72 denotes an elastic rope, which is connected to the tip of the winding chain 71. A locking tool 73 is provided at the tip of the elastic rope 72. The pulley 70 with a ratchet operates only in the tightening direction (in the direction of the arrow in the figure), and when releasing the tightening, the operation lever 701 may be operated to cancel the ratchet action.

  When the tire chain 10 configured as described above is installed on the tire 10, first, the cross chains 60, 60,... Are wound along the width direction of the tire 10. Then, in a state where the back side wire 50 is annularly arranged along the circumferential direction of the tire 10, the connectors 54 and 55 at both ends thereof are connected. Thereafter, the locking hook 34 is hooked on the end portion of the foundation side chain 31 in a state where the front side member 30 is annularly arranged along the circumferential direction of the tire 10. Thereafter, the wrapping chain 71 is pulled by pulling the elastic rope 72, and the locking tool 73 is hooked on a locking ring 341 installed on a hooking hook 331 in the vicinity of the locking hook 34 (FIG. 3). Then, the elastic rope 72 and the folded portion of the winding chain 71 are elastically hooked on the hooking hook 331, and the process is terminated.

  When the tire chain 10 is to be removed, the elastic rope 72 and the folded portion of the winding chain 71 are removed from the latch hook 331 of the connector 33, and then the latch 73 of the elastic rope 72 is Remove from the retaining ring 341 near the retaining hook 34. Then, by operating the operation lever 701 of the ratchet-equipped pulley 70 and releasing the ratchet action, the winding chain 71 is loosened. Thereafter, the locking hook 34 of the front side member 30 may be removed, and the connection of the connecting tools 54 and 55 of the back side wire 50 may be removed.

  The back side member, the front side member, the cross member, or the fastening member in the present invention may be any of those conventionally existing, for example, a chain, a rubber belt, an elastic wire, etc., in addition to the above embodiment.

  The auxiliary side member (side wire chain) of the front side member (front side chain) is free from rattling, improves the tightening effect as a chain, and sufficiently exhibits the function as an anti-slip device.

1 is a front view of a tire equipped with an automobile anti-skid device according to the present invention. FIG. It is the III section enlarged view in FIG. It is the IV section enlarged view in FIG. It is a figure of the prior art example corresponded in FIG. FIG. 3 is a diagram of a conventional example corresponding to FIG. 2.

Explanation of symbols

10… Tire
20… Tire chain (Auto tire slip prevention device)
30… Front side member
31… Foundation side chain (Foundation side member)
32… Auxiliary side member
321… cylindrical spacer
50… Back side member
60… H-shaped cross chain (cross member)
70… pulley with ratchet (one-way pulley)
71… winding chain (clamping member)

Claims (3)

A back side member and a front side member are arranged substantially in parallel, a required number of cross members are spanned between these side members, and a base side member and an auxiliary side member are arranged in series as the front side member. And installing a one-way pulley at the auxiliary side member end of the base side member, connecting a flexible fastening member to the base side member end of the auxiliary side member, and connecting the cross member along the width direction of the tire. Wrapping and connecting both ends in a state where the back side member is annularly arranged along the circumferential direction of the tire, and connecting both ends in a state where the front side member is annularly arranged along the circumferential direction of the tire And the auxiliary side member tightening member is wrapped around the one-way pulley of the base side member. In automobile tire antiskid device for hooked appropriate position tighten in a state of overlapping folded back member,
The auxiliary side member is made of a flexible elastic rope material, and a latching member is installed between a connecting portion of the auxiliary side member with the cross member and the adjacent connecting portion, and the fastening member is tightened with the fastening member. A tire anti-skid device for automobiles, wherein a member is latched. 2. The automobile tire slip prevention apparatus according to claim 1, wherein the flexible elastic rope member is a wire rope. 2. The automobile tire slip prevention apparatus according to claim 1, wherein a cylindrical spacer is externally fitted between the connecting portion of the flexible elastic rope member with the cross member and the latch member. Tire anti-slip device.

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