JPH10138721A - Cross member-rope and connector for use in tire chain - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the weight and improve the ability to be loaded on a tire, and enable a cross memer-rope to reduce a resistance to ground, and vibration- noise during car-travelling, enable the replacing work of loading and removing the cross member-rope to be easily-performed in state where a tire chain is loaded on the tire, and further to firmly engage the cross member-rope with a side chain. SOLUTION: With the cross member-rope (b), plural, large diameter- and relatively short coil springs are loosely fitted onto a spring 4 consisting of a small diameter and relatively long coil spring in which a wire core is inserted. With a connector (c), one end of a belt-like strip 8 having a long hole connected to a through hole 81 is folded-doubled to the front face side to form a doubled free end part 9, a Ushaped recessed part formed on the end edge side of the doubled free end part 9 is lapped on the the part connected to the through hole 81 of the long hole, and the other side of the belt-like strip 8 is folded to the front face side to form a doubled base end part 10. The end edge of the doubled base end part is positioned at a side edge on this side of the through hole 81 .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire chain mounted on an automobile tire for preventing slippage on a snow-covered road or a frozen road, and more particularly to a cross-mounting structure used between a pair of side chains. The present invention relates to a cable and a connector used to engage and connect the horizontal cable to a side chain.

[0002]

2. Description of the Related Art As a conventional tire chain, a horizontal rope, for example, a plurality of cross chains connecting a large number of cross links is required between opposed portions of a pair of left and right side chains connecting a large number of side links. There are various proposals that are placed horizontally at intervals.

[0003]

In the above, the connection between the lateral cable and the side chain is performed by connecting the connector connected to the end of the lateral cable to the side link of the side chain.
They are rotatably engaged so as not to come off (see Japanese Utility Model Publication Nos. 59-14244 and 59-14245).

[0004] The above-mentioned engagement is, of course, performed firmly so as not to be inadvertently disengaged during use. Must be removed and attached to the side chains using the required tools, but the replacement is very difficult for a layman and, of course, with the tire chain attached to the tires. It is impossible to perform such replacement work as it is. In addition, the above-mentioned conventional tire chain is heavy because it has a configuration in which a cross chain in which a cross link is connected between side chains in which a side link is connected is heavy, and vibration and noise during traveling are large. Met.

Therefore, the present invention can reduce the weight and improve the mountability to a tire, reduce the ground resistance, and improve the running performance as compared with a conventional cross chain having a series of cross links. It provides a horizontal cable that can be used for tire chains that can reduce vibration and noise.Also, the work of attaching and removing the horizontal cable can be easily performed without using tools,
The purpose is to provide a connector for use in a tire chain that can perform the work with the tire chain attached to the tire, and that can securely engage the crossover cord with the side chain so that it does not accidentally come off. And

[0006]

Laterally bridged rope b for use in the present invention tire chains SUMMARY OF THE INVENTION is the spring wire 4 formed by inserting the wire core 4 ₁ a relatively long coil spring 4 in ₂ in diameter, large diameter Thus, a plurality of relatively short coil springs 5 are loosely fitted.

[0007] Connector c for use in the present invention tire chains, by winding one side of the strip pieces 8 having a long hole ₈₂ continuous to the through hole 8 ₁ on the front side and winding migratory end 9, the the U-shaped rest recess 9 ₂ is formed on the edge side of the winding migratory end 9 in a state polymerized in a portion continuous to the through hole ₈₁ of the slots _82, the front side and the other side of the band plate piece 8 a winding base end portion 10 and wound into a configuration including the its edge in a state of being positioned in front edge of the through hole _81.

[0008]

In the horizontal rope used in the tire chain of the present invention, a plurality of large-diameter and relatively short coil springs are loosely fitted into a spring wire formed by inserting a wire core into a small-diameter and relatively long coil spring. By adopting the configuration, it is lightweight, the mountability to the tire is improved, the ground resistance is reduced, and the vibration and noise during running can be reduced.

In the connector used in the tire chain according to the present invention, one side of the strip having a through hole and a continuous long hole is wound to the front side to form a winding free end, and the end of the winding free end is connected to the edge. The U-shaped recess formed in the slot is superimposed on a portion continuous with the through hole of the long hole, and the other side of the strip is wound to the front side to form a winding base end portion. Since the end edge is located on the front side edge of the through hole, the winding base end can be attached to the side chain with the end of the horizontal cord engaged with the winding free end. Become like

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a tire chain using a horizontal cable and a connector according to the present invention will be described with reference to the drawings. a is a side chain, which connects a number of side links 1, connects an end link 2 to one side end, and connects a hook 3 to the end link 2.

[0011] b is showing an embodiment of the present invention horizontal bridging rope, it has a central portion of the spring wire 4 formed by inserting the wire core 4 ₂ a relatively long coil spring 4 ₁ a small diameter A plurality of large-diameter and relatively short coil springs 5 are loosely fitted, and a plurality of rollers 6 which are one of relatively small-diameter and relatively short cylinders are also loosely mounted on both side portions. Fit
At both ends, engaging elements 7, 7 which are hexagonal cylinders are fitted and fixed.

FIG. 1C shows an embodiment of the connector of the present invention, which is attached to the side links 1 at required intervals of the side chain a. The specific configuration of the connector c is as follows. To form the through hole ₈₁ of the circular central metal strip pieces 8, the through hole 8
It is formed toward the long hole ₈₂ continuous with the ₁ on one side of the band plate piece 8.

[0013] winding one side of the strip pieces 8 on the side formed with the long hole ₈₂ to the front side and winding migratory end 9 is formed on the edge 9 ₁ side of the winding migratory end 9 the U-shaped rest recess 9 ₂ are in a state of polymerization in a portion continuous to the through hole ₈₁ of the slots _82.

The other side of the strip 8 on which the long holes 8 ₂ are not formed is inserted into the side links 1 at required intervals of the side chain a, and wound on the front side to form a winding base end 10. , in a state in which the edge 10 ₁ of which was positioned in front edge of the through hole _81, the connector c is rotatably attached to the side links 1.

[0015] 11 and 12, a small projection provided on the periphery opposing inner of the slots _82, so staggered slightly the position of each other in the longitudinal direction of the elongated hole _82, the double click mechanism It is what constitutes. Note that the 10 ₂ is reinforced bulging portion formed in the winding base end portion 10.

Next, the manner of engagement of the transverse cable b with the connector c having the above-mentioned structure attached to the side link 1 of the side chain a by the winding base end 10 as described above will be described with reference to FIG. This will be described with reference to FIGS.

Firstly, the engaging element 7 of the horizontal bridging rope b, inserted from the rear side of the connector c to the through hole ₈₁ and the U-shaped rest recess 9 _2, by protruding below the front That figure, these the holes ₈₁ and U-shaped rest recess 9 _2, along with positioning the spring wire 4 of horizontal bridging rope b, a state to engage the roller 6 on the periphery of the through hole ₈₁ (FIG. 7 chain line).

[0018] Then, as rotated feeling for introducing and along the spring wire 4 to the elongated hole ₈₂ pulls the lateral bridging rope b outwardly, the spring wires 4
Then, the engaging element 7 is pulled into the winding free end 9 at the same time as the double click mechanism, that is, over the small projections 11 and 12 (FIGS. 9 to 12) (FIG. 13). Thus, lateral bridging rope b is in a state of being engaged with the engaging element 7 in the peripheral edge of the elongated hole _82, also it is unnecessary to pull-out as a further pulling force outward acts.

By performing such an engaging operation on the connectors c, c opposed to the engaging elements 7, 7 at both ends of the horizontal cable b, the horizontal cable b is connected to a pair of left and right side wires. It can be easily stretched over the chains a, a.

When it is necessary to replace the transverse ropes b stretched as described above due to wear, damage or cutting, etc., it is necessary to release the engagement. Obviously, this can be done in the reverse order.

In the releasing operation, when the tire chain is mounted on the tire d as shown in FIGS. 1 and 2, the hook 3 of the end link 2 of the side chain a is removed and the side chain a is tensioned. It is good to carry out in a state where is loosened.

[0022]

According to the transverse rope used in the tire chain according to any one of claims 1 to 6, a spring wire formed by inserting a wire core into a coil spring having a small diameter and a relatively long length, and a relatively large wire having a large diameter. Since a plurality of short coil springs are loosely fitted, the weight can be reduced as compared with a cross chain having a series of cross links, and the mountability to a tire can be improved. In addition, the ground resistance can be reduced, and vibration and noise during traveling can be reduced.

According to the connector used in the tire chain according to any one of claims 7 to 12, one side of the strip having a through hole and a continuous long hole is wound around the front side to form a winding free end. The U-shaped recess formed on the edge side of the winding play end is overlapped with the portion continuous with the through hole of the long hole, and the other side of the strip is wound to the front side and wound. The base end,
Since the edge of it is located near the front edge of the through hole, the work of attaching and detaching the horizontal cable to the side chain can be easily performed without using tools, and In addition, it is possible to firmly engage the lateral rope so as not to be inadvertently detached from the side chain, and the operation can be performed while the tire chain is mounted on the tire.

[0024] In addition to the effects common to the connectors used in the tire chains described in claims 7 to 12, according to the connectors described in the claims, the following effects can be obtained.

According to the connector used in the tire chain according to the eighth aspect, since the winding base end portion is formed so as to be rotatably attached to the side chain, it can cope with deformation of the tire. Cheap.

According to the connector used in the tire chain according to the ninth aspect, the engaging member is fitted and fixed to the end of the horizontal cable, and the elongated hole is formed with a width capable of engaging the engaging member with the peripheral edge. Therefore, even if the transverse cable engaged with the connector is pulled outward, it does not come off.

According to the connector used in the tire chain according to the tenth aspect, since the small protrusion is formed on the inner edge of the long hole, the engagement of the horizontal cable can be reliably performed.

According to the connector used in the tire chain according to the eleventh aspect, the small projections are slightly offset from each other on both opposing inner edges of the elongated hole and in the longitudinal direction of the elongated hole. As a result, the engagement of the horizontal cable can be performed more reliably.

According to the connector used in the tire chain according to the twelfth aspect, since the reinforcing bulging portion is formed at the winding base end, the mechanical strength can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a tire chain using a transverse cable and a connector according to the present invention is mounted on a tire.

FIG. 2 is a longitudinal sectional view schematically showing the above.

FIG. 3 is a perspective view of a main part of the above.

FIG. 4 is a side view of an embodiment of the horizontal cable according to the present invention.

FIG. 5 is a plan view of an embodiment of the connector of the present invention.

FIG. 6 is a sectional view thereof.

FIG. 7 is a perspective view showing a state in which the engaging element of the horizontal cable is going to be inserted into the through hole.

FIG. 8 is a perspective view showing a state in which the engaging element of the horizontal cable is inserted into the through hole and the U-shaped recess of the same.

FIG. 9 is a cross-sectional view showing a state in which an engaging element of a horizontal cable is inserted into the through hole and the U-shaped recess of the same, and shows a situation where the first small protrusion of the double click mechanism is passed. Show.

FIG. 10 is a plan view thereof.

FIG. 11 is a cross-sectional view showing a state in which the engaging member of the horizontal cable is inserted into the through hole and the U-shaped recess of the same, and shows a situation where the last small protrusion of the double click mechanism is passed. Show.

FIG. 12 is a plan view thereof.

FIG. 13 is a perspective view showing a state where the connector and the horizontal cable according to the present invention are in a predetermined engagement state.

[Explanation of symbols]

Reference Signs List a side chain b horizontal cable c connector d tire 1 side link 4 spring wire 4 ₁ wire core 4 ₂ coil spring 5 coil spring 6 roller 7 engaging element 8 band piece 8 _{1 through} hole 8 ₂ long hole 9 winding free end Part 9 ₁ edge 9 ₂ U-shaped recess 10 winding base end 10 ₁ edge 10 ₂ bulging part for reinforcement 11 small protrusion 12 small protrusion

Claims (12)

[Claims] 1. A spring having a wire core inserted through a small-diameter and relatively long coil spring in a horizontal rope connected and stretched via a connector between a pair of left and right side chains constituting a tire chain. A transverse rope used in a tire chain, wherein a plurality of large-diameter and relatively short coil springs are loosely fitted to a wire. 2. The tire chain according to claim 1, wherein a plurality of cylindrical bodies each having a diameter slightly smaller than those of the coil springs are loosely fitted on both sides of the coil springs loosely fitted to the spring wires. The horizontal cable to be used. 3. The cross rope according to claim 2, wherein the cylindrical body is a roller. 4. A cross rope used in a tire chain according to claim 1, wherein the coil spring loosely fitted to the spring wire has a larger wire diameter than the coil spring of the spring wire. 5. A transverse rope used in a tire chain according to claim 1, wherein an engaging element for engaging the spring wire with a connector is fitted and fixed to both ends of the spring wire. . 6. The transverse rope used in a tire chain according to claim 5, wherein the engaging element is a hexagonal cylinder. 7. A connector which is used for engaging and connecting a pair of side chains such as a cross chain or a cross wire stretched between a pair of left and right side chains constituting a tire chain. And one side of the strip having an elongated hole continuous therewith is wound to the front side to form a winding play end, and a U-shaped recess formed on the edge side of the winding play end is made transparent to the above-mentioned slot. In a state of being superimposed on the portion continuous to the hole, and the other side of the strip is wound to the front side to form a winding base end,
A connector for use in a tire chain, the edge of which is positioned near the front edge of the through hole. 8. The winding base end is formed so as to be rotatably attached to a side chain.
Connector used for the described tire chain. 9. An engaging element is fitted and fixed to an end of the horizontal cable, and the elongated hole is formed to have such a width that the engaging element can be engaged with a peripheral edge. Connector used for tire chains. 10. The connector for use in a tire chain according to claim 7, wherein a small projection is formed at an inner edge of the long hole. 11. The tire chain according to claim 10, wherein the small protrusions are formed on both of the inner edges of the slot facing each other and slightly differ from each other in the length direction of the slot. Connector to use. 12. The connector for use in a tire chain according to claim 7, wherein a bulging portion for reinforcement is formed at a winding base end portion.