JPH09118114A - Vehicular non-slip tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a vehicular non-slip tool for various kinds of tires by facilitating the structure. SOLUTION: Hook bodies 22 whose base ends respectively bent into approximately U shapes are rotatably inserted through and attached to facing corner parts of an approximately rectangular rigid plate 20, lock protrusions 23 formed on the back surface side of the rigid plate 20, and a joint lock body formed on the center part of the front surface side of the rigid plate 20 by forming a fitting part for fitting a tool are attached to the joint lock body attaching part in a rubber-like tier chain in a freely attachable and detachable manner.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular anti-slip device to be used by mounting it on a tire of an automobile or the like during snowfall and a joint lock body for tightening the ropes thereof.

[0002]

2. Description of the Related Art As a conventional vehicle anti-skid device, there is, for example, one disclosed in Japanese Utility Model Publication No. 48-39282. This will be described with reference to FIG. 10. As shown in FIG. 10, a tire chain 2 made of metal or rubber is attached to the tire 1.
In order to prevent the tire chain 2 from falling off, the annular fastener 3 is connected to the tire chain 2, and the annular fastener 3 is tightened at predetermined intervals of the annular fastener 3 to prevent the tire chain 2 from falling off. The tightening tool 4 is locked.

FIG. 11 shows in detail a state before the tightening operation of the tightening tool 4, and has locking rods 4a, 4a at the outer end which are locked to the annular tightening 3 side of the tire chain 2. Two U-shaped pieces 4b, 4b and these two U-shaped pieces 4b, 4
b is arranged in a direction in which the U-shaped mouth portions 4c, 4c can face each other, and the inner ends of the U-shaped pieces 4b, 4b are formed by interposing discs 4e having shafts 4d, 4d respectively. .

FIG. 12 shows the tightening operation state of the tightening tool 4 in detail. The tip end 5a of the tool 5 is fitted into a fitting hole 4f formed in the center of the interposition board 4e to intervene. Board 4e
When the U-shaped pieces 4b, 4b of the U-shaped pieces 4b, 4b are engaged with each other by rotating the
The shaft attachments 4d and 4d to the interposer board 4e are formed by the U-shaped piece
B-shaped mouth portions 4c, 4 of the U-shaped pieces 4b, 4b from the line connecting the connecting portions 4g, 4g of the locking rods 4a, 4a.
It is formed so as to be located inside c.

Further, as another conventional example of the anti-skid device for a vehicle, there is, for example, one disclosed in Japanese Patent Publication No. 5-58921. This will be described with reference to FIG.
FIG. 14 is a front view of the tightening tool main body in the above-mentioned vehicle slipper, FIG. 14 is a side view of the same portion in section, FIG. 15 is a view showing a usage state of the tightening tool before tightening, and FIG. It is a figure which shows a state.

In these figures, reference numeral 7 denotes a plate made of metal or the like which forms the main body of the tightening tool, and the plate 7 is used as a core material by molding 8 made of synthetic rubber or soft synthetic resin to form an upper left corner and a lower right corner in FIG. A lock projection 8a is formed on the lock hook 8a, and as shown in FIGS. 15 and 16, hooks 9 and 9 that lock with the connection projections 12 and 12 of the tire chain C are freely rotatable at the left and right positions of the tightening tool body. Holes 10, 10 that are engaged with the front and back are formed so as to penetrate therethrough, and further three holes of a tool for rotating the tightening tool body are fitted into the center part of the tightening tool body and the left and right positions thereof. 1
1, 11, 11 are formed to penetrate the front and back.

Then, as shown in FIG. 15, the hooks 9, 9 locked to the tightening tool body are locked to the connecting projections 12, 12 of the tire chain C. Next, the holes 11, 11, 1
When three fasteners of the tool are fitted to 1 and the tightening tool body is rotated clockwise, the connecting projections 12 and 12 of the tire chain C are pulled by the hooks 9 and 9 as shown in FIG. The tire chain C is tightened so that it does not fall off.

[0008]

However, the vehicle anti-skid device disclosed in Japanese Utility Model Publication No. 48-39282 has U-shaped pieces 4b, 4b of the tightening tool 4 in the tightening state shown in FIG. The shaft attachments 4d, 4d to the interposer board 4e of the U-shaped pieces 4b, 4b are larger than the line connecting the connecting portions 4g, 4g of the U-shaped pieces 4b, 4b and the locking rods 4a, 4a. Although located inside the U-shaped mouth portions 4c, 4c, the shaft attachments 4d, 4d are connected to the U-shaped pieces 4b, 4b and the locking rods 4a, 4a by the vibration of the tire or the like. When it comes to be located outside the U-shaped mouth portions 4c, 4c with respect to the line connecting the portions 4g, 4g, as shown in FIG. 11, the tightened state is released and the tire chain 2 falls off. There was a fear.

Further, in the vehicle anti-slip device disclosed in the above Japanese Patent Publication No. 5-58921, the elastic body is made of metal 7 or the like plate 7 as a core material, and molded by synthetic rubber or soft synthetic resin. Lock protrusions 8a are provided at the upper left corner and the lower right corner, and the tire chain C is provided at the left and right positions of the tightening tool body.
Of the hooks 9, 9 that are locked to the connecting projections 12, 12 of FIG. Since the holes 11, 11 and 11 into which the three claws are fitted are formed, the manufacturing thereof is troublesome and the manufacturing cost is high. Further, when the connecting projection of the tire chain C is cut, the metal projection The plate 7 may seriously damage the vehicle.

Further, in order to prevent the hooks 9 and 9 from moving over the lock protrusions 8a and 8a so as to rotate, if the lock protrusions 8a and 8a are raised, the hooks are set when the tightening tool is set in the tightened state. There is also a problem in that it is difficult for 9 and 9 to set over the lock protrusions 8a and 8a.

[0011]

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and to provide a substantially rectangular rigid plate, mounting holes formed at diagonal portions thereof, and a substantially rectangular mounting plate. A hook body having a U-shaped bent base end portion rotatably penetrating from the rear side of the rigid plate and a hook portion formed at a distal end portion, and a hook body formed at the other diagonal portion on the rear side of the rigid plate. After the hook body is rotated, the lock projection, which is difficult to get over after easily climbing over the inclined portion, and the tip of a tool for rotating the rigid plate is fitted to the central portion on the surface side of the rigid plate. A joint lock body comprising a fitting portion formed so as to be capable of being connected, two ropes formed so as to be located inside and outside the tire by connecting both ends thereof, and a ladder for the rope. Both ends are bound together so that A required number of joint lock body mounting portions are provided between a plurality of ladder-shaped anti-slip members formed so as to come into contact with at least the tread surface of the tire and surround the tire and both ends of the ropes located outside the tire. And a ladder-like tire chain, wherein a hook portion of the joint lock body is detachably attached to a joint lock body attaching portion of the ladder-like tire chain. The base end portion of the body is detachably and rotatably pierced through the mounting hole of the rigid plate, and the hook portion of the hook body in the joint lock body is substantially orthogonal to the base end portion and is provided on the outer surface of the tire. Bently formed in parallel with each other, and provided with ribs for preventing hook body contact and fitting portion reinforcement on the back side of the rigid plate in the joint lock body, Serial in which characterized in that a mounting direction display projection on one side surface of the rigid plate in the joint lock member.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Since the present invention is configured as described above, as shown in FIGS.
As shown in FIG. 9, with both hook bodies 22, 22 extended, both ends of the cord 30 (in the present embodiment, located outside the tire 29 of the vehicle anti-skid device B attached to the tire 29). Hook portions 22b, 22b of the hook bodies 22, 22 of the joint lock body A are hooked at three places), and a fitting portion 24 formed in the central portion of the rigid plate 20 of the joint lock body A is fitted with a tool (not shown). Mating the tips,
When the rigid plate 20 is rotated clockwise from the state shown in FIG. 1, the hook bodies 22 and 22 pass over the lock projections 23 and 23, respectively, and as shown in FIG.
Since the lengths 2b and 22b are shortened and locked by the lock protrusions 23, 23, the rope 30 is tightened, and the vehicle anti-skid device B is attached to the tire 29 so as not to drop off.

[0013]

1 to 9 show an embodiment of the present invention. FIG. 1 is a front view of a joint lock body with a hook body extended and before tightening, and FIG. 2 is a rear view of the same. 3 is a plan view thereof, FIG. 4 is a rear view of a tightened state in which the hook portions of the joint lock body are shortened, FIG. 5 is a side view thereof, FIG. 6 is a rear perspective view thereof, and FIG. 7 is a front perspective view thereof. FIG. 8 is a developed perspective view showing an embodiment of a vehicle anti-skid device (ladder-shaped tire chain) according to the present invention, and FIG. 9 (a) is a front view of a ladder-shaped tire chain before being attached to a tire before tightening a cord. Figure, (b)
[Fig. 3] is a front view after tightening the rope.

In each of the above drawings, reference numeral 20 denotes a substantially rectangular rigid plate, and mounting holes 21 and 21 are formed at diagonal portions thereof, and the mounting holes 21 and 21 have hook portions 22b at their tips. Base end portions 22a and 22a of the hook bodies 22 and 22 forming the 22b are bent in a substantially U shape and are rotatably or rotatably and detachably attached from the back surface side of the rigid plate 20. Also, the hook portion 2 of the hook body 22,
2b and 22b are bent so as to be substantially perpendicular to the base ends 22a and 22a and substantially parallel to the outer surface 29a of the tire 29.

After being able to easily get over the inclined surface portions (curved surface portions) 23a, 23a when the hook bodies 22, 22 are turned to the other diagonal portion on the back side of the rigid plate 20, On the contrary, it is a lock projection that is formed so as not to easily get over. Reference numeral 24 denotes a fitting portion which can be fitted with a tip of a tool for rotating the rigid plate 20 formed in the center of the rigid plate 20. The fitting portion 24 may be any fitting such as a triangular hole, a square hole, a hexagonal hole, a star-shaped hole, a hook hole, and the like, as long as the fitting portion 24 can rotate the rigid plate 20 by fitting a tool tip into the fitting portion 24. It may be a hole. Numeral 25 denotes a hook contact preventing / fitting portion reinforcing rib formed in the center of the rear surface of the rigid plate 20 in a horizontally long shape to prevent the contact between the hook members 22 in the tightened state. It also serves to reinforce the bottom of the fitting portion 24 formed on the front side of the rigid plate 20. Reference numeral 26 denotes a mounting direction display projection provided on one side surface of the rigid plate.

FIG. 8 is an exploded perspective view showing an embodiment of a vehicle anti-skid device (ladder-shaped tire chain) B. The vehicle anti-skid device B has both ends 27, 27 ', 28, 28'. The inner surface 29a 'of the tire 29 by connecting them to each other.
And 2 formed so as to be respectively located on the outer surface 29a
The ropes 30 and 30 'of the book and the both ends of the ropes 30 and 30' are bound to each other so as to form a ladder shape, and at the time of mounting, the tires 29 are surrounded by contacting at least the tread surface 29b. A plurality of ladder-shaped non-slip members 32
And a hook 3 for connecting the ropes 30 and 30 '.
1, 31 '. The connecting hooks 31 and 31 ′ are large according to the size of the tire 29.
It is prepared so that a small number of types can be used, and the mounting position and the number of the joint lock body A can be arbitrarily selected (three places in this embodiment).

In order to mount the vehicle anti-skid device B constructed as described above on the tire 29, the ladder-shaped anti-slip member 32 is sequentially fitted to the outer peripheral surface of the tire 29, as in the case of the conventional tire chain installation. First, both ends 27, 27 'of the cord 30' located inside the tire 29 are connected to the hook 3 for connection.
1, 31 'and then both ends 28, 28' of the cord 30 located outside the tire 29 are connected by the connecting hooks 31, 31 'as shown in FIG. 9 (a). At the required position (three places in the present embodiment) of the outer line 30, the line 3 is formed with the hook bodies 22, 22 extended.
The fitting portion 24 formed in the central portion of the rigid plate 20 of the joint lock body A in which the hook portions 22b and 22b are hooked on 0.
When the tip of a tool (not shown) is fitted and the rigid plate 20 is rotated clockwise from the state shown in FIG. 1, the hook bodies 22 and 22 pass over the lock projections 23 and 23, respectively. As shown in FIG. 5, the hooks 22b are located outside the tire 29 because they are housed and locked between the lock projections 23 and 23 and the hook body contact prevention / fitting portion reinforcing rib 25 in a state where the distance between the hook portions 22b is short. The rope 30 is tightened and the vehicle anti-skid device B is attached to the tire 29.

[0018]

As described above, according to the present invention, a substantially rectangular rigid plate, mounting holes formed in the diagonal portions thereof, and a base end bent substantially in a U-shape in each mounting hole. When the hook body is rotatably penetrated from the rear side of the rigid plate and a hook body is formed at the tip end, and the hook body is rotated to the other diagonal part on the rear side of the rigid plate. A lock projection formed so as to be difficult to climb over after easily climbing over the inclined portion, and a fitting portion formed so that a tip of a tool for rotating the rigid plate can be fitted to a central portion on the surface side of the rigid plate. And two ropes formed by connecting both ends to each other so as to be located inside and outside of the tire, respectively, and both ends are connected to each other in a ladder shape with respect to the rope. Is worn and at least touches the tread of the tire when installed. A vehicle comprising a plurality of ladder-shaped non-slip members formed so as to surround a tire and a ladder-shaped tire chain in which a required number of joint lock body mounting portions are provided between both ends of a rope located outside the tire. An anti-slip device for a vehicle, wherein the hook portion of the joint lock body is detachably attached to the joint lock body attachment portion of the ladder-shaped tire chain, and the base end portion of the hook body of the joint lock body is the rigid plate. The mounting hole is detachably and rotatably pierced, and the hook portion of the hook body in the joint lock body is bent and formed substantially orthogonal to the base end portion and parallel to the outer surface of the tire. The joint lock body is provided with a rib for preventing the hook from hitting and reinforcing the fitting portion on the back side of the rigid plate in the joint lock body. Since the protrusion for mounting direction is provided on one side of the rigid plate, the structure is simpler than the conventional product, the manufacturing cost is low, and the operability is good, so the ropes are always tightened securely. In addition, it can be easily performed by women and women, and it is extremely easy to put on and take off, and the strength of the engaging part against the cord is strong, so that it can be used for a long time without fear of being accidentally broken. It can be offered. Further, since the hook portion of the hook body is bent so as to be orthogonal to the base end portion and parallel to the outer surface of the tire, it is possible to easily and reliably lock and tighten the rope. At the same time, it is possible to prevent rattling of the joint lock body due to deformation of the tire due to running of the vehicle and damage to the tire outer surface due to contact with the tire outer surface. If necessary, the hook body may be detachable at its base end, so that a hook body having a different length corresponding to the size of the tire can be used. In addition, a rib for preventing hook contact and reinforcing the fitting portion is provided on the rear side of the rigid plate, so that it is possible to prevent a collision (collision) between the hooks when the cable is tightened (in a folded state), and It is also possible to reinforce the bottom of the fitting part for tool fitting, and to provide the mounting direction indication projection on one side of the rigid plate to attach the joint lock body to the cable (orientation). ) Can be easily confirmed.

[Brief description of the drawings]

FIG. 1 is a front view of a joint lock body according to the present invention in a state before a tightened state in which a hook body is extended.

FIG. 2 is a rear view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a rear view of a tightened state in which a distance between hook portions of the joint lock body according to the present invention is shortened.

FIG. 5 is a side view of the same.

FIG. 6 is a rear perspective view of the same.

FIG. 7 is a front perspective view of the same.

FIG. 8 is a developed perspective view showing an embodiment of a vehicle anti-skid device (ladder tire chain) according to the present invention.

FIG. 9 (a) is a front view before the rope tightening when the ladder-shaped tire chain is attached to the tire, and FIG. 9 (b) is a front view after the rope tightening.

FIG. 10 is a view showing a usage state of a conventional vehicle anti-skid device.

FIG. 11 is a diagram showing in detail the state before the tightening operation of the tightening tool in the conventional vehicle anti-skid device.

FIG. 12 is a diagram showing in detail the tightening operation state of the tightening tool in the conventional vehicle anti-skid device.

FIG. 13 is a front view of the tightening tool body in another conventional vehicle anti-skid device.

FIG. 14 is a partially sectional side view of a tightening tool body in another conventional vehicle anti-skid device.

FIG. 15 is a view showing a usage state before tightening of the tightening tool in another conventional vehicle anti-skid device.

FIG. 16 is a view showing a usage state after tightening the tightening tool in another conventional vehicle anti-skid device.

[Explanation of symbols]

 20 Rigid Plate 21 Mounting Hole 22 Hook Body 22a Base End 22b Hook Part 23 Lock Protrusion 23a Sloping Surface Part 24 Fitting Part 25 Hook Body Contact Prevention and Fitting Part Reinforcing Rib 26 Mounting Direction Display Protrusion 27, 27 'End Part 28, 28 'End 29 Tire 29a Outer side 29a' Inner side 29b Tread 30, 30 'Rope 31, 31' Connecting hook 32 Ladder-like non-slip member A Joint lock body B Vehicle anti-skid (ladder-like tire Chiang)

Claims (5)

[Claims] 1. A substantially rectangular rigid plate, mounting holes formed in opposite corners thereof, and a base end bent substantially U-shaped in each mounting hole from the back side of the rigid plate. A hook body that movably penetrates and has a hook portion formed at the tip end, and reverses after easily climbing over the inclined portion when the hook body is rotated to the other diagonal portion on the back side of the rigid plate. A lock projection formed so as to be difficult to climb over, a fitting portion formed so that a tip of a tool for rotating the rigid plate can be fitted to a central portion on the surface side of the rigid plate, and both ends. Are connected to each other, two ropes formed so as to be located on the inside and outside of the tire, respectively, and both ends thereof are connected to each other in a ladder shape with respect to the ropes, and at least when the tire is mounted, A compound formed to abut the tread and surround the tire A vehicle anti-skid device comprising a plurality of ladder-like anti-slip members and a ladder-like tire chain provided with a required number of joint lock body attachment portions between both ends of a rope located outside the tire. The anti-skid device for a vehicle, wherein the hook portion of the joint lock body is detachably attached to the joint lock body attachment portion of the ladder-shaped tire chain. 2. The joint lock body according to claim 1, wherein the base end portion of the hook body of the joint lock body is detachably and rotatably passed through a mounting hole of the rigid plate. 3. The joint lock body according to claim 1, wherein the hook portion of the hook body is bent so as to be substantially orthogonal to the base end portion and parallel to the outer side surface of the tire. Joint lock body. 4. The joint lock body according to claim 1, wherein a rib for preventing hook body contact and reinforcing the fitting portion is provided on the back surface side of the rigid plate in the joint lock body. 5. The joint lock body according to claim 1, wherein a mounting direction indicating projection is provided on one side surface of the rigid plate of the joint lock body.