JP2001206029A - Slough escaping apparatus for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a slough escaping apparatus for an automobile easily attached only by arranging it on a tire tread face by means of a wheel hole, provided with a compact shape requiring installation only to a part unburied in mud in the tire even when the tire drops in deep mud, and surely installed by one operator when he/she is alone in the accident. SOLUTION: The slough escaping apparatus for an automobile is provided with a belt 2 to be installed in the tire width direction of the tire in the automobile via the wheel hole, an antiskid chain 3 arranged and fixed in the belt 2, and a belt fastening apparatus 5 fixed to a chain variable part 4 freely slidably to the belt 2 for adjusting the length of the antiskid chain 3 and the belt 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used by attaching to tires to escape a car stuck in a muddy area due to heavy rain or the like on an unpaved road or a landfill, a construction site along a mountain or seaside, or the like. The present invention relates to a muddy escape device for an automobile.

[0002]

2. Description of the Related Art Conventionally, when an automobile tire is stuck in a muddy road such as an unpaved road and cannot be removed, a non-slip plate or sheet is spread under the tire to escape. People were pushing the car from behind. However, there is a problem that a great deal of manpower and labor is required until the car escapes from the mud. Therefore, various devices have been researched and developed which are used to easily escape a vehicle from mud.

[0003] As a conventional mud escaper for automobiles,
JP-A-8-20209 (hereinafter referred to as "A")
Discloses a "tire anti-slip device". Hereinafter, a description will be given of a tire anti-slip device which is a conventional mud escape device of an automobile with reference to the drawings. FIG. 9 is a perspective view of a conventional tire slip stopper. In the figure, reference numeral 11 denotes a conventional tire slip stopper, 12 denotes a flat portion 12a, an inclined portion 12b formed at one end of the flat portion 12a, and a side end of the flat portion 12a facing the inclined portion 12b. Curved portion 12 formed
c, an insertion hole 12d formed at one longitudinal end of the flat portion 12a, a protruding portion 12e formed at an end of the flat portion 12a facing the insertion hole 12d, and an engaging portion formed at the protruding portion 12e. The cross-sectional shape of the hole 12f, the contact surface 12g (not shown) with the tire, which is the back surface of the flat portion 12a, and the gap 12h (not shown) formed in the contact surface 12g has a M-shaped cross-section. One end of the plate 13 has an insertion hole 12 of the anti-slip plate 12.
e, and a first band 13a whose other end is fixed to a fastener 15 described later, and an insertion hole 15b described later of the fastener 15
A fastening band consisting of a second band 13b inserted through the second band 13b and fixing the tire anti-slip device 11 to the tire. Reference numeral 14 denotes an engagement hole 12f in which the end of the second band 13b is inserted through the insertion hole 14a.
The hook 15 is hooked to the frame 15a, the insertion hole 15
b, a fastener consisting of a shaft 15c (not shown) for adjusting the length of the band 13; 16 is connected to the second band 13b via a telescopic band 16a, and the excess band 13 due to the adjustment of the length is applied to the tire. It is a fastener that is fixed to prevent falling off.

[0004] The operation of the conventional tire anti-slip device configured as described above will be described below. When mounting the tire anti-slip device 11 on a vehicle tire, the tire anti-slip device 11 is installed on the ground contact surface of the tire such that the inclined portion 12b of the anti-skid plate 12 faces the same direction as the tire rotation direction, The second band 13b and the hook 14 are inserted into the wheel holes of the tire. After the hook 14 is engaged with the engagement hole 12f, the second band 13b is adjusted with the fastener 15 so that the second band 13b has a tension that does not fall off the tire.
The surplus second band 13b fixes the fastener 16 to the wheel hole symmetrical to the anti-slip plate 12. in this way,
When the tire rotates with the tire slip stopper 11 attached to the tire, the inclined portion 12b bites into the ground to prevent the tire from running idle and skidding.

[0005] Japanese Utility Model Laid-Open No. 2-21022 (hereinafter referred to as "B") discloses an "evil road escape tool for automobiles" as another muddy escape tool for automobiles. Hereinafter, a description will be given of a rough road escape tool for a vehicle, which is a muddy escape tool for a vehicle disclosed in Japanese Patent Application Laid-Open Publication No. H8-207, with reference to the drawings. FIG. 10 is a perspective view of a conventional rough road escape device for a vehicle. In the figure, reference numeral 21 denotes a conventional vehicle rough road escape tool, 22 denotes a pair of non-slip plates having a large number of spikes 22a for preventing slip on the surface, 23 denotes a U-shaped cross section, and a slot 23 at the end.
The slide bar 23a, which has a variable length and is formed of an outer bar 23b formed with a d and an inner bar 23c which is removably inserted into and inserted into the outer bar 23b, and the slide bar 23a provided at the elongated hole 23d are fixed at an arbitrary length. Thumbscrew 23
e.

[0006] The operation of the conventional vehicle rough road escape device configured as described above will be described below. When attaching the vehicle evacuation tool 21 to the tire of an automobile, first loosen the thumbscrew 23e, pull out the inner bar 23c, and widen the gap between the non-slip plates 22. Next, non-slip plate 2
After adjusting 2 along the outer circumference of the tire, the length of the slide bar 22a is adjusted and fitted, and the thumb screw 23e is tightened to fix the vehicle rough road escape tool 21 to the tire. As described above, when the vehicle is driven in a state where the vehicle rough road escape tool 21 is attached to the tire, the slip prevention plate 22 moves to a position where it comes into contact with the road surface with the rotation of the tire, and the spike 22a catches the road surface. Push the tire out of the mud while preventing skidding.

[0007]

However, the above-mentioned conventional mud slush escaper for a motor vehicle has the following problems. (1) The anti-slip device of the tire described in the Japanese Patent Publication No. A needs to be mounted so that the inclined portion faces in the same direction as the rotation direction of the tire, so that the hook is engaged inside the wheel depending on the position of the tire. In some cases, it has to be performed, and there is a problem that the workability of attachment / detachment and the reliability of engagement are lacking. (2) In addition, since the engaging portion for attaching the tire anti-slip device to the tire and the tightening portion for adjusting the length of the band are different,
First, the tire anti-slip device must be mounted on the tire, and then the length of the band must be adjusted according to the diameter of the tire, which has a problem that the mounting operation becomes complicated. (3) Furthermore, since the fastening device is locked to the opposite portion of the wheel of the anti-slip plate, when the tire anti-slip device is to be attached in deep mud, the fastening device is groped in a portion buried in mud of the wheel. It has to be locked, and there is a problem that the safety of the mounting work and the reliability of the locking are lacking. (4) Since the vehicle evacuation device described in Japanese Patent Publication No. B is composed of a pair of non-slip plates, it is necessary to fix the non-slip plates to two places of the tire, and the device is stuck in deep mud. When mounting on a tire of a car, if one is fixed to a portion not buried in mud, the other must be fixed to a portion buried in mud, and there is a problem that the safety of the fixing work is lacking. (5) In addition, since the slide bar of the mounting tool is provided so as to bridge the two non-slip plates, the two non-slip plates are firmly pressed down when adjusting the variable portion of the slide bar according to the tire diameter. It has been a problem that it is difficult to fix the vehicle's rough road escape tool in a short time by itself.

The present invention solves the above-mentioned conventional problems, and can be easily mounted simply by bridging the tire to the ground contact surface by using wheel holes. Since the shape is compact, the automobile fits into a deep muddy area. In such a case, it is only necessary to attach the tire to a portion of the tire that is not buried in mud, and it is an object of the present invention to provide a muddy escape device for a vehicle that can be securely attached alone in a short time even when there are no people around.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a muddy escape device for a vehicle according to the present invention is provided with a belt mounted in the width direction of a vehicle tire through wheel holes and fixed to the belt. And a non-slip chain fixed to a variable chain portion slidable on the belt or a belt, and a belt tightener for adjusting the length of the belt. With this configuration, it can be easily mounted simply by bridging it over the tire's tread using the wheel holes, and the compact shape makes it possible for the car to be stuck in the mud of the tire even when it gets stuck in deep mud. It is possible to provide a muddy escape tool for a vehicle that can be securely mounted alone in a short time even when there are no people around the vehicle.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A muddy escaping device for a vehicle according to a first aspect of the present invention includes a belt mounted in the width direction of a vehicle tire through a wheel hole, and a non-slip provided and fixed to the belt. And a belt tightener for adjusting the length of the belt. With this configuration, the following operation is provided. (1) Since a non-slip chain is provided on the belt, it can be easily mounted simply by spanning the belt over the tire, adjusting the chain so that it rests on the ground surface of the tire, and fixing it. it can. (2) Since the chain is disposed on the ground contact surface of the tire, the chain is non-slip, catches the ground, prevents the tire from skidding and idling, and allows the vehicle to escape from the mud. (3) The length of the belt is adjusted by the belt tightening device, so that the muddy escape device of the vehicle can be firmly fixed to the tire. (4) Since the number of components is small and the overall shape is small, even when the vehicle is stuck in a deep mud, it is only necessary to mount it on a part of the tire that is not buried in mud.

Here, as the belt tightening device, one having a means capable of adjusting the length such as a buckle shape and a joint shape and fixing the band after the adjustment is used. The location of the belt tightening device is not particularly limited as long as it is a position other than the position where the variable chain portion can slide, but in consideration of mounting work, it is within the range from the end of the belt to the end of the chain. It is preferable to arrange them. As the chain, a generally used chain such as a metal such as iron or stainless steel or an engineering resin such as nylon is used. The length of the chain is not particularly limited as long as a slip-preventing effect can be obtained. However, in consideration of the shape of the muddy escape tool and the simplicity of arrangement, the length of the chain is preferably substantially the same as or slightly longer than the width of the tire. The chain is preferably a link chain having a thickness of 1.8 to 7.5 mm, preferably 2.5 to 7 mm. As the thickness of the chain becomes thinner than 2.5 mm, the size of the chain member becomes smaller and it becomes difficult to catch the ground, and there is a tendency to lack durability. As the chain becomes thicker than 7 mm, the number of chain members per unit length This tends to reduce the surface area of the chain and make it difficult to catch the ground. Further, as the thickness becomes thinner than 1.8 mm or thicker than 7.5 mm, the above tendency becomes remarkable, which is not preferable.

According to a second aspect of the present invention, there is provided the muddy escape device for an automobile according to the first aspect, wherein a chain variable portion slidable on a belt is provided at one end or both ends of the chain. It has an installed configuration. With this configuration,
In addition to the effect obtained in claim 1, the chain variable portion is slidably disposed on the belt, so that the tension of the chain can be adjusted and even if the chain is displaced from the ground contact surface of the tire. It has the effect that it can be easily adjusted to the correct position.

Here, as the chain variable portion, one that is formed in an elliptical shape and that can fix one end of the chain is used, and is disposed at one end or both ends of the chain. When it is arranged at one end of the chain, the other end is preferably fixed to the belt by fixing means.

According to a third aspect of the present invention, there is provided a muddy escape device for an automobile according to the first or second aspect, wherein the device has a chain fixing device for fixing a central portion of the chain to a belt. are doing. According to this configuration, in addition to the function obtained in claim 1 or 2, the following function is provided. (1) Since the center of the chain can be easily checked, the muddy escape tool of the automobile can be easily mounted at an appropriate position by aligning the center line of the tire with the chain fixing tool. (2) Even if the variable chain portion is provided at both ends of the chain, it is possible to maintain a position where the chain can be easily mounted without a large shift. Here, as the chain fixing tool, a wire capable of fixing the chain to the belt, a ring having substantially the same cross section as the belt, or the like is used.

According to a fourth aspect of the present invention, there is provided a muddy escape device for an automobile according to any one of the first to third aspects, wherein the belt tightening device comprises a frame-shaped support portion, A fixing portion that is supported by the supporting portion and is fitted to the supporting portion; an operating portion that is supported by the supporting portion and controls the state of the fixing portion; and a hook portion that is formed on the supporting portion and locks the belt. Configuration. According to this configuration, any one of claims 1 to 3 is provided.
In addition to the action obtained in the above, the following action is obtained. (1) Since the belt tightening device has a fixing portion, the belt can be fixed after adjusting the length of the belt,
The belt does not loosen even while the car is running. (2) Since the belt is provided with the hook, the belt can be easily passed through the belt tightening device only by hooking the belt.

Here, the fixing portion is formed to be slightly smaller than the supporting portion so as to be fitted to the supporting portion, and is engaged with a serrated engaging tooth or the like for clamping and fixing the belt to the front end portion. Those having a means are preferably used. In addition, as the operation unit, a member in which a claw-shaped press for pressing the fixing unit is formed at a lower portion so that the movement of the operation unit and the fixing unit are interlocked is preferably used. There is no particular limitation on the place where the belt hooking portion is formed, but it is preferable that the hooking portion be formed inside the locking means of the fixing portion so as not to hinder the movement of the fixing portion.

According to a fifth aspect of the present invention, there is provided a muddy escape device for an automobile according to any one of the second to fourth aspects, wherein the variable chain portion includes a fixing means for fixing the chain to the belt. It has a configuration provided. According to this configuration, in addition to the effect obtained in any one of the first to third aspects, the chain can be fixed to the belt after adjusting the position of the chain, so that the chain can be prevented from shifting during use. Has an action.

Here, as the chain variable portion, a clip-shaped, saw-toothed, tightenable band made of an elastic material such as rubber, or a device having a means such as a magic tape which can be detachably fixed to a belt is used.

According to a sixth aspect of the present invention, there is provided a muddy escape device for an automobile according to the fifth aspect, wherein the variable chain portion is supported by a frame-shaped support portion and the support portion. And a control unit that is supported by the support unit and controls the state of the fixed unit. With this configuration, in addition to the function obtained in claim 5, the following function is provided. (1) Since the chain fixing device has the fixing portion, the position of the chain can be adjusted and fixed as it is, and the chain does not loosen even while the automobile is running. (2) Since the operation part for operating the fixing part is provided, even when operating the chain fixing part in a place where it cannot be confirmed with eyes such as the back side of the tire or deep mud, it is easy to operate the operation part with one hand. The position of the chain can be adjusted.

Here, the fixing portion is formed to be slightly smaller than the supporting portion so as to be fitted to the supporting portion, and is engaged with a serrated engaging tooth or the like for clamping and fixing the belt at the tip end. Those having a means are preferably used. In addition, as the operation unit, a member in which a claw-shaped press for pressing the fixing unit is formed at a lower portion so that the movement of the operation unit and the fixing unit are interlocked is preferably used. The method of fixing the variable chain tool to the chain is not particularly limited. However, in consideration of durability against a strong impact applied during driving of the vehicle, a method of forming a connecting portion capable of connecting the chain to the variable chain tool is particularly preferable. preferable.

According to a seventh aspect of the present invention, there is provided a muddy escape device for an automobile according to the fifth aspect, wherein the variable chain portion includes two flat plate portions for holding and fixing a belt, and a flat plate portion. And a sliding portion formed between the flat portions to adjust the degree of opening between the flat portions, and a spring disposed between the flat portions to press the flat portion against the belt. According to this configuration, in addition to the effect obtained in claim 5, the flat portion of the chain variable portion can pinch and fix the belt by the spring force, and the interval between the flat plate portions can be widened by repelling the spring force. This has the effect that the variable portion can be arranged at any position on the belt.

Here, the sliding portion and the sliding groove are preferably formed at four corners of the flat plate portion so that the belt can be easily inserted between the flat plate portions. Further, in order to obtain a further fixing force, it is preferable to provide locking means on the sliding portion and the sliding groove portion on the side where the spring is provided. Further, a knob or the like may be provided on the sliding portion and the sliding groove portion so that the interval between the flat plate portions can be easily operated.

An embodiment of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 is an overall perspective view of a muddy escape device for an automobile according to the first embodiment, and FIG. 2 is a schematic view of a main part of the muddy escape device for an automobile according to the first embodiment. 1 and 2, reference numeral 1 denotes a muddy escape device for an automobile according to the first embodiment, reference numeral 2 denotes a belt for attaching the muddy escapement device 1 to a tire 6 described later, and reference numeral 3 denotes a belt whose one end is a belt whose cross section is a belt. 2 is a non-slip chain which is connected to a ring-shaped fixing member 3a having substantially the same cross section as the cross-section and is fixed to the belt by the fixing member 3a. A variable chain portion 5 for fixing the other end of the belt 2 to the belt 2 is provided at an end of the belt 2, and the length of the belt 2 is adjusted to fix the muddy escape tool 1 of the automobile to the tire 6. Belt tightener. In the first embodiment, the variable chain portion 4 has a slightly larger cross section than the cross section of the belt 2 and is slidably disposed with respect to the belt 2.

A method of using the muddy escape device for a vehicle according to the present embodiment configured as described above will be described below. FIG. 3 is a perspective view of the belt tightening device according to the first embodiment, and FIG. 4 is a diagram illustrating a use state of the muddy escape tool of the automobile according to the first embodiment. 3 and 4, reference numeral 5a denotes a frame-shaped support portion formed at the lower portion of the belt tightening device 5, 5b is a ring fixed to the support portion 5a and connects one end of the belt 2, and 5c has a sawtooth formed at the tip. Fixed part fitted inside the support part 5a
d is an operation part for fixing the fixing part 5c to the belt 2, 5e is a hook part for hanging the length of the belt 2 so as to be adjustable, 6 is an automobile tire, 7 is a wheel of the tire 6, and 8 is a wheel 7 It is a formed wheel hole.

When the muddy escape tool 1 of the automobile is mounted on the tire 6, first, the end of the belt 2 where the belt tightening device 5 is not provided is inserted into the wheel hole 8 from the grounding surface of the tire 6.
, And pulled out from the wheel hole 8.
At this time, after adjusting the belt 2 while moving it back and forth so that the chain 3 is placed on the ground surface of the tire 6, the belt 2
Is passed through a belt tightening device 5 to fix the muddy escape tool 1 of the automobile. When the operating portion 5d of the belt tightening device 5 is raised, an end of the belt 2 that is not connected to the ring 5b is inserted from the lower portion of the hook portion 5e to the upper portion,
By pulling the end portion forward, the length of the belt 2 can be adjusted to be shorter. On the contrary, the end portion is pushed inward or the hook portion 5e is engaged.
By pulling the lower belt 2 forward, the length of the belt 2 can be adjusted to be longer. After adjusting the length of the belt 2 in this manner, when the operation unit 5d is lowered, the fixing unit 5c is pressed against the belt 2 in conjunction with the operation unit 5d. When the operation unit 5d is completely tilted, the fixing unit 5c is
Then, the belt 2 is fitted into the inside of a, and the belt 2 is clamped and fixed.
Here, if the chain 3 is loose, the chain variable portion 4 is moved in the width direction of the tire 6 to a position where the chain 3 does not loose. The slidable chain variable section 4 has a cross section slightly larger than the cross section of the belt 2. Therefore, when a force is applied to the variable chain portion 4 in the longitudinal direction of the belt 2 while lightly pressing the belt 2, the variable chain portion 4 slides. As described above, when the vehicle is driven in a state where the muddy escape device 1 of the vehicle is mounted on the tire 6, the chain 3 on the ground contact surface of the tire 6 firmly catches the ground, and prevents the tire 6 from skidding or idling. Push a car out of mud.

As described above, since the muddy escape implement of the vehicle according to the present embodiment is constituted, it has the following operation. (1) The muddy escape device of the vehicle can be easily mounted simply by hanging and fixing the belt through a wheel hole to a portion of the vehicle tire that is not buried in mud. (2) The non-slip chain catches the ground in the mud and prevents the tire from skidding or idling, and the vehicle can easily escape from the mud. (3) Since the chain variable portion is slidably disposed on the belt, the position of the chain can be easily adjusted to the ground contact surface of the tire, and slack of the chain can be eliminated. (4) In addition, by moving the chain variable portion in the vicinity of the fixed portion of the chain in advance, and passing over the belt in that state, both the adjustment of the position of the chain and the elimination of the slack can be performed by a single operation. . (5) When the chain variable portion is fixed to the belt, the chain can be maintained at an appropriate position, and even if the tire is started to rotate by driving the automobile, the chain is not loosened or displaced. Can be prevented.

(Embodiment 2) The muddy escape device for a vehicle according to the second embodiment has a variable chain portion at both ends of the chain of the muddy escape device for a vehicle according to the first embodiment, and is provided at the center of the chain. It is equipped with a chain fixture. FIG. 5 is a front view of a main part of the muddy escape tool for a vehicle according to the second embodiment. In addition, the same thing as what was demonstrated in FIGS. 1-4 is attached | subjected the same code | symbol, and abbreviate | omits description. In the drawing, reference numeral 4 denotes a chain variable portion slidably disposed on the belt 2 at both ends of the chain 3, and reference numeral 9 denotes a chain fixing device disposed at the center of the chain 3. In the second embodiment, the chain variable unit 4
Are the same as in the first embodiment. Further, a wire is used as the chain fixture 9.

As described above, since the muddy escape tool for a vehicle according to the present embodiment is constituted, it has the following functions in addition to the functions obtained in the first embodiment. (1) Even if the chain hits a stone, etc., the central part of the chain does not loosen, so even if the chain variable parts are arranged at both ends of the chain, it will not move at the proper position of the chain, and the mud escape tool of the car The modification of the position of the chain after the tire is mounted on the tire is reduced. (2) Since the center of the chain can be seen at a glance, the center of the chain can be aligned with the center line of the width of the tire using the chain fixing tool as a mark, and the muddy escape tool of the car can be easily mounted at an appropriate position. be able to.

(Embodiment 3) A muddy escape device for a vehicle according to the third embodiment differs from the muddy escape device for a vehicle in Embodiment 1 in the chain variable portion. FIG. 6 is a perspective view of the variable chain portion of the muddy escape tool for an automobile according to the third embodiment. In addition, the same thing as what was demonstrated in FIGS. 1-5 is attached | subjected the same code | symbol, and abbreviate | omits description. In the drawing, reference numeral 4 denotes a frame-shaped support portion 4a, and a support portion 4a which is pivotally supported and is formed to fit inside the support portion 4a, and has a saw-shaped locking tooth at the tip. A fixing portion 4b, an operation portion 4c pivotally supported by the support portion 4a and having a lower portion formed with a retainer for fixing the fixing portion 4b to the belt 2, a chain 3 and a support portion 4a which are disposed and fixed at the end of the support portion 4a. And a ring 4d for connecting the two to the belt 2 and slidably disposed on the belt 2. In the third embodiment, the belt 2 passes through the gap between the support portion 4a and the fixing portion 4b, and the chain variable portion 4 can slide on the belt 2 slidably.

The operation of the thus configured chain fixing device for a muddy escape device of the present embodiment according to the present embodiment will be described below. When the operation portion 4c of the chain variable portion 4 is raised, the fixed portion 4b is lifted upward, and a gap wider than the thickness of the belt 2 is opened between the support portion 4a and the fixed portion 4b. Therefore, the operation unit 4
In the state where c is raised, the chain variable portion 4 can be slidably moved with respect to the belt 2. Here, the fixed part 4b and the operation part 4c are supported by the support part 4a.
After the position of the chain 3 is adjusted by moving the chain variable section 4, the operation section 4c is rotated in the direction of the fixing section 4b, and the retainer formed at the lower portion of the operation section 4c is fixed to the fixing section 4b.
Is pressed down, and the fixing portion 4b fits inside the support portion 4a while pressing down the belt 2. When the operation unit 4a is completely tilted, the belt 2 is sandwiched and fixed between the support unit 4a and the fixing unit 4b, and the saw-like locking teeth formed at the tip of the fixing unit 4a are Of the chain variable portion 4 is prevented by firmly grasping and fixing the surface of the chain.

As described above, since the muddy escape device for a vehicle according to the present embodiment is constituted, it has the following effects in addition to the effects obtained in the first embodiment. (1) Since the chain variable portion can be fixed at an arbitrary position, it is possible to prevent the chain from shifting due to the force applied to the muddy escape tool of the automobile due to the rotation of the tire. (2) Since the belt is sandwiched between the fixed portion and the support portion, and the saw-like locking teeth formed at the tip of the fixed portion lock the surface of the belt, the belt is displaced even if a strong force is applied to the belt. Can be more strongly prevented.

(Embodiment 4) A muddy escape device for a vehicle according to the fourth embodiment is different from the muddy escape device for a vehicle in Embodiment 1 in the variable chain. FIG. 7 is a perspective view of a variable chain portion of the muddy escape tool for an automobile according to the fourth embodiment.
FIG. 8A is a front view of the variable chain portion of the muddy escape device of the vehicle according to the fourth embodiment, and FIG. 8B is a diagram illustrating the slidable portion of the variable muddy escape device of the vehicle according to the fourth embodiment. It is a front view which shows a proper state. The same components as those described with reference to FIGS. 1 to 6 are denoted by the same reference numerals and description thereof is omitted. In the figure, 4d is a flat plate portion 4e to be described later.
A ring 4e connecting the variable chain portion 4 and the chain 3 fixedly disposed on the ring fixing portion formed on the base member 4e is a flat plate portion for pressing the belt 2 having a ring fixing tool formed on one side, and 4e 'is Flat plate portions 4f, 4f, which are disposed to face the flat plate portion 4e and clamp and fix the belt 2 together with the flat plate portion 4e.
Reference numerals 4f 'denote sliding portions projecting from four corners of the flat plate portion 4e, 4g,
Reference numerals 4g 'protrude from four corners of the flat plate portion 4e' opposed to the sliding portions 4f, 4f ', and sliding grooves 4h, 4h' slidably fit the sliding portions 4f, 4f '. Plate-like knobs respectively arranged and fixed at the tip of 4f and the tip of the sliding groove 4g.
i is a knob 4h, 4h 'of the flat part 4e, 4e' at both ends.
The coil-shaped springs are fixed to the center of the side end of each side and press the flat plate portions 4e, 4e 'against the belt 2 by the spring force. In the fourth embodiment, the chain variable unit 4
The belt 2 passes between the flat plate portions 4e and 4e '. Also, the sliding portion 4f has a prismatic shape with a locking claw formed at the tip,
The sliding groove 4g is fitted with the sliding portion 4f and the sliding portion 4f.
It is formed in a U-shape in cross section on which a locked portion to which the locking claw f is locked is formed. Further, the sliding portion 4f 'is shaped like a prism having a wide portion formed at its tip to prevent the sliding portion from falling.
g 'is formed in a rectangular cylindrical shape having a sliding portion 4f' fitted therein and a flange formed at the tip for preventing falling off.

The operation of the variable chain portion of the muddy escape device for a vehicle according to the fourth embodiment configured as described above will be described below. When the variable chain portion 4 is in a normal state, the variable chain portion 4 presses the belt 2 from above and below with the flat plate portions 4e and 4e 'by the spring force of the spring 4i, and the locking claw formed on the sliding portion 4f. Is the sliding groove 4
The belt 2 is clamped and fixed to the locked portion of FIG.
When the position of the chain 3 is adjusted, when the knobs 4h and 4h 'of the chain variable portion 4 are pinched and a force is applied, the sliding portion 4
The locking claw f is disengaged from the locked portion of the sliding groove portion 4g, and the sliding portions 4f and 4f 'slide on the sliding groove portions 4g and 4g' by repelling the spring force of the spring 4i, respectively. The parts 4e and 4e 'open vertically. When the flat portions 4e and 4e 'are opened to the full allowable range, the lower portions of the knobs 4h and 4h' collide with each other, and the wide portion formed at the tip of the sliding portion 4f 'is formed at the tip of the sliding groove 4g'. The variable chain portion 4 is prevented from being caught on the set flange portion and being disassembled. A chain variable portion 4 is provided between the flat portions 4e and 4e 'which are spread in the vertical direction.
Is formed on the belt 2. After sliding the chain variable portion 4 to dispose the chain 3 at an appropriate position, release the knobs 4h and 4h '.
The variable chain portion 4 is again driven by the spring force of the spring 4i.
e and 4e 'press the belt 2 from above and below, and the locking claws formed on the sliding portion 4f lock the locked portion of the sliding groove portion 4g to clamp and fix the belt 2.

As described above, since the muddy escape device for a vehicle according to the present embodiment is constituted, it has the following effects in addition to the effects obtained in the first embodiment. (1) The chain variable portion can be slid on the belt simply by pinching the knob with one hand and expanding the flat portion against the spring force, making it possible to easily change the position of the chain and eliminate slack in the chain. it can. (2) Further, while the chain is moved to an appropriate position, the flat plate portion presses the belt by the spring force, and the locking claw of the sliding portion is locked to the locked portion of the sliding groove portion. The position of the chain is fixed by pinching and fixing the belt, so that the position of the chain is unlikely to shift even when the tires of the automobile rotate.

In the present embodiment, the belt tightening device is arranged at the end of the belt. However, the present invention is not limited to this. The belt tightening device is located at any position which does not hinder the movement of the chain or the variable chain portion. Can be arranged.

[0036]

As described above, according to the mud slush escape tool of the present invention, the following advantageous effects can be obtained.
According to the first aspect of the present invention, (1) Since the non-slip chain is provided on the belt, the belt is stretched over the tire so that the chain comes on the grounding surface of the tire. It is possible to provide a muddy escaping tool for a vehicle which can be easily mounted simply by adjusting and fixing the mud and having excellent work efficiency and work efficiency. (2) Since the chain is disposed on the ground contact surface of the tire, the chain serves as a non-slip surface to prevent the tire from skidding and slipping by catching the ground, thereby enabling the vehicle to escape from muddy. It is possible to provide a muddy escape tool for a high car. (3) It is possible to provide a highly safe slush escape device for a vehicle, which can adjust the length of the belt with a belt tightening device and securely fix the slush escape device of the vehicle to a tire. (4) Since the number of components is small and the overall shape is small, even when the vehicle is stuck in deep mud, it is only necessary to mount it on a part that is not buried in the mud of the tire. It is possible to provide a muddy escape tool for a vehicle that can be mass-produced.

According to the second aspect of the present invention,
In addition to the effect of the first aspect, since the chain variable portion is slidably disposed on the belt, the tension of the chain can be adjusted, and even if the chain is displaced from the ground contact surface of the tire, the chain can be easily adjusted. It is possible to provide a muddy escaping tool for a vehicle that can be adjusted to a correct position and has a high degree of certainty of the anti-slip effect.

According to the third aspect of the present invention,
In addition to the effects of claim 1 or 2, (1) Since the center of the chain is easy to confirm, the muddy escape tool of the automobile can be easily mounted at an appropriate position by aligning the center line of the tire with the chain fixing tool. It is possible to provide a muddy escaping tool for an automobile that can improve the work efficiency. (2) To provide a muddy escape tool for an automobile which is easy to attach and can maintain a position where the chain can be easily attached without significantly shifting the chain, even when the variable chain portion is provided at both ends of the chain. Can be.

According to the invention described in claim 4 of the present invention,
In addition to the effects of any one of claims 1 to 3, (1) since the belt tightening device has the fixing portion, the belt can be fixed after adjusting the length of the belt,
It is possible to provide a muddy escape device for a vehicle in which a belt does not loosen even while the vehicle is running. (2) Since the belt is provided with the hook portion, it is possible to provide a simple muddy escape device for a vehicle in which the belt can be easily inserted into the belt tightening device simply by hooking the belt.

According to the invention described in claim 5 of the present invention,
In addition to the effect of any one of claims 2 to 4, the chain can be fixed to the belt after adjusting the position of the chain, so that the chain can be prevented from shifting during use, and the safety and anti-slip effect can be prevented. It is possible to provide a muddy escape tool for a vehicle having excellent reliability.

According to the invention described in claim 6 of the present invention,
In addition to the effects of the fifth aspect, (1) Since the chain fixing tool has the fixing portion, the position of the chain can be adjusted and fixed as it is, and the chain is not loosened even while the vehicle is running. It is possible to provide a muddy escape tool for a vehicle having excellent position holding and fixing force. (2) Since the operation part for operating the fixing part is provided, even when operating the chain fixing part in a place where it cannot be confirmed with eyes such as the back side of the tire or deep mud, it is easy to operate the operation part with one hand. It is possible to provide a muddy escape tool for a vehicle which can adjust the position of the chain and is excellent in workability for fixing the position of the chain.

According to the invention described in claim 7 of the present invention,
In addition to the effect of the fifth aspect, the flat portion of the variable chain portion clamps and fixes the belt by the spring force, and the interval between the flat plate portions can be widened by repelling the spring force. It is possible to provide a muddy escape tool for a vehicle that can be arranged at an arbitrary position and that has excellent work efficiency in arranging a chain.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a muddy escape tool for an automobile according to a first embodiment.

FIG. 2 is a schematic view of a main part of a muddy escape tool for an automobile according to the first embodiment.

FIG. 3 is an outline view of a main part showing a mounted state of the muddy escape tool of the vehicle according to the first embodiment.

FIG. 4 is a perspective view of a belt fastener according to the first embodiment.

FIG. 5 is a schematic view of a main part of a muddy escape tool for an automobile according to a second embodiment.

FIG. 6 is a perspective view of a variable chain portion of a muddy escape tool for a vehicle according to a third embodiment.

FIG. 7 is a perspective view of a variable chain portion of a muddy escape tool for a vehicle according to a fourth embodiment.

FIG. 8 (a) is a front view of a variable chain portion of a muddy escape device of a vehicle according to a fourth embodiment. (B) A front view showing a slidable state of a variable chain portion of a muddy escape device of a vehicle according to a fourth embodiment. Figure

FIG. 9 is a perspective view of a conventional tire anti-slip device.

FIG. 10 is a perspective view of a conventional rough road escape device for an automobile.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 Vehicle slush escape device 2 Belt 3 Chain 3a Fixing device 4 Chain variable portion 4a Support portion 4b Fixing portion 4c Operation portion 4d Ring 4e, 4e 'Flat plate portion 4f, 4f' Sliding portion 4g, 4g 'Sliding groove portion 4h, 4h 'Knob 4i Spring 5 Belt Clamp 5a Support 5b Ring 5c Fixing 5d Operation 5e Latch 6 Tire 7 Wheel 8 Wheel Hole 9 Chain Fixing 11 Conventional Tire Slipper 12 Slip Plate 12a Flat 12b Inclined portion 12c Curved portion 12d Insertion hole 12e Projection portion 12f Engagement hole 12g Contact surface 12h Gap 13 Band 13a First band 13b Second band 14 Hook 14a Insertion hole 15 Fastener 15a Frame 15b Insertion hole 15c Shaft 16 Fastening Tool 16a Telescopic band 21 Conventional bad road escape tool for automobiles 22 Non-slip plate 2 2a Spike 23 Fixture 23a Slide bar 23b Outer bar 23c Inner bar 23d Slot 23e Thumbscrew 0

Claims (7)

[Claims] 1. A belt mounted in the width direction of a tire of a vehicle through a wheel hole, a non-slip chain fixed to the belt, and a belt tightener for adjusting the length of the belt. A slush escape device for a vehicle, comprising: 2. The muddy escape device for a vehicle according to claim 1, wherein a chain variable portion slidable on the belt is disposed at one end or both ends of the chain. 3. The muddy escape device for an automobile according to claim 1, further comprising a chain fixing device for fixing a central portion of the chain to the belt. 4. The apparatus according to claim 1, wherein the belt tightener includes a frame-shaped support portion,
A fixing portion which is pivotally supported by the support portion and fits into the support portion;
4. An operation part which is supported by the support part and operates the state of the fixing part, and a hook part formed on the support part and hooking the belt. The muddy escape tool for an automobile according to any one of the above. 5. A muddy escape device for a motor vehicle according to claim 2, wherein said chain variable portion includes a fixing means for fixing said chain to said belt. 6. The chain variable portion includes a frame-shaped support portion, a fixed portion pivotally supported by the support portion and fitted to the support portion, and controls a state of the fixed portion pivotally supported by the support portion. The slush escape device for an automobile according to claim 5, further comprising: an operation unit that performs the operation. 7. The variable chain portion includes two flat plate portions for clamping and fixing the belt, and a sliding portion and a sliding groove portion respectively formed on the flat plate portions for adjusting an opening degree between the flat plate portions. 6. A muddy escape device for an automobile according to claim 5, further comprising: a spring disposed between said flat plate portions to press the flat plate portion against the belt.