JPH11124017A - Wheel stopper for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To set a wheel stopper easily and restrain the wheel movement securely. SOLUTION: A tire support plate 9 is movably installed to a main body 1 so that the plate contacts a tread 11 of a tire 10 as the wheel stopper is set. When a pressure is applied from the tire 10 to the tire support plate 9, a pair of arms 17 and 17A pivotally installed to the main body 1 of the wheel stopper are moved closer to wheel sides 22 to hold the tire 10 firmly.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel stopper for an automobile.

[0002]

2. Description of the Related Art In order to prevent the wheels of a parked car from moving when a disaster such as an earthquake occurs, it has been widely used to insert wheel stoppers between the tires and the road surface. However, in order to restrain the movement of the wheel, the conventional wheel chock has to be strongly inserted between the tire and the road surface, so that the setting work has been troublesome.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a wheel stopper device which can be set by a simple operation, and which can reliably restrain the wheel and prevent its movement from starting.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above objects, the present invention provides a wheel-chuck body mounted on a road surface and a tire support plate mounted on a tread of a parked automobile tire to support the tire. A movable plate integrally fixed to the tire support plate and operatively attached to the wheel stopper body in a direction to approach or separate from the tread together with the tire support plate and to each of the side portions of the tire; A pair of arms pivotally attached to the wheel stopper body so as to be rotatable toward or away from each other, the wheel stopper body is placed on a road surface, and the tire support plate faces the tread of the tire. When the tire support plate is pressed by the tire and the movable plate is actuated in a state where the arms are in contact with the tread and the respective arms are in contact with the side portions of the tire, the arms are turned in a direction to approach each other. The present invention proposes a wheel stopper device for a vehicle, comprising: a transmission means for transmitting the operation of the movable plate to each arm so that the pressing force of each arm against each side portion of the tire is increased. ).

[0005] The present invention also achieves the same object.
A wheel-chuck body mounted on a road surface, a tire support plate which is opposed to a tread of a parked automobile tire and supports the tire, and which is integrally fixed to the tire support plate and is attached to the tread together with the tire support plate. A movable plate attached to the wheel stopper body so as to be operable in a direction approaching or moving away from the vehicle,
A pair of arms pivotally attached to the wheel stopper body so as to be rotatable in directions approaching or separating from the respective side portions of the tire, and actuate in a direction approaching or separating from the tread together with the movable plate, And a pair of connecting plates supported by the movable plate so as to operate in directions approaching or separating from each other in a substantially horizontal direction, and a guide portion extending in a substantially horizontal direction is formed on each of the connecting plates. The base end of each arm is slidably fitted to each guide portion in the longitudinal direction thereof, the wheel stopper body is placed on a road surface, and the tire support plate faces the tread of the tire. When the tire supporting plate is pressurized by the tire and the movable plate is operated together with the pair of connecting plates in a state where the tire is in contact with the tread and each arm is in contact with the side portion of the tire, each arm is moved. Each arm is rotated so that the base end of the arm slides on the guide portion of each connecting plate, and the two arms rotate in a direction approaching each other, so that the pressing force of each arm against each side portion of the tire is strengthened. A movable plate is connected via the connection plate, and a lower end portion of the movable plate is formed as a road surface engaging portion that engages with a road surface when the tire support plate is pressed by a tire and the movable plate is operated. Then, a vehicle wheel stopper device provided with connecting plate operating means for operating a pair of connecting plates in a direction approaching each other so that each base end of each arm is disengaged from a guide portion of each connecting plate is proposed ( Claim 2).

Further, in the wheel stopper device for an automobile according to claim 1 or 2, when both arms are turned so as to be in contact with the side portions of the tire, the two arms are expanded. The ends of each arm are bent in the direction facing each other so that the two arms do not come off the tires unless turned, and after the movable plate operates toward the road surface, move in the opposite direction of the movable plate. It is advantageous to provide a lock device that inhibits the operation of (3).

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is an external perspective view of the wheel stopper device of the present embodiment, FIG.
FIG. 3 is an exploded perspective view of some elements of the wheel stopper device.

The wheel stopper device shown here has a wheel stopper body 1 configured as a casing for accommodating respective components described later, and the body 1 includes a case body 2 formed of a plate member having a truncated triangular pyramid shape. And lids 3 and 3A which are closed at both ends thereof and which are detachably fixed to the case body 2 by screws. Case body 2
Consists of a bottom wall 4, an inclined upper wall 5, and an upright wall 6, and the bottom wall 4 is placed on a road surface.

A slit 7 is formed in the upper wall 5 of the case body 2, and a movable plate 8 is fitted in the slit 7 so as to be movable in a diagonal up and down direction. A tire support plate 9 located outside the stopper body 1 is fixed. The tire support plate 9 is opposed to the tread 11 of the tire 10 of the parked automobile when the wheel stopper device is used, and serves to support the tire 10. This will be described in detail later.

As shown in FIGS. 2 and 3, a pair of guide members 12 and 12A having a substantially U-shaped cross section are provided in the inside of the wheel stopper body 1, and the lower ends of the guide members 12 and 12A are shared by a common base. The base member 13 is fixed to the bottom wall 4 of the case body 2 by screws. The two guide members 12, 12A are spaced apart from each other with their U-shaped guide grooves facing each other, and the respective side edges of the movable plate 8 are slidably fitted in the respective guide grooves.
As described above, the movable plate 8 is mounted on the wheel stopper main body 1 via the guide members 12 and 12A so as to be operable in a direction approaching or separating from the tread 11 of the tire 10 shown in FIG. . The slit 1 through which the lower end portion 14 of the movable plate 8 passes is formed in the base member 13 and the bottom wall 4 of the case body 2.
5 and 16 are formed respectively.

Arms 17 and 17A are rotatably connected to the guide members 12 and 12A, respectively, and the arms 17 and 17A pass through elongated holes formed in the lids 3 and 3A, respectively. Extends outside. As shown in FIG. 3, a pair of ears 18 and 18A spaced apart from each other protrude from each guide member 12 and 12A.
The arm portion adjacent to 8, 18A is formed in a forked shape,
Here, pins 20 and 20A are fixedly and rotatably assembled, and the arms 17, 17 are fixed by the pins 20 and 20A.
A base end portions 19 and 19A of A are configured. Pin 20,
The base ends 19 and 19A can be formed by using a roller instead of 20A, or by cutting and raising a part of the forked portion.

The base ends 19, 19A are located between a pair of ears 18, 18A of each guide member 12, 12A, as shown in FIG.
Into the guide members 12, 1 as shown by the arrow S.
In this state, the arm portions near the base ends 19 and 19A are passed through the holes 118 (only one is shown) formed in the guide member 1A through the pivot pins 21 and 21A.
2, 12A are pivotally attached to the ears 18, 18A, respectively. In this manner, each arm 17, 17A approaches or closes to the wheel stopper main body 1 in the direction indicated by arrows A, B in FIG. 1, ie, the side portions 22, 22 of the tire 10, via the guide members 12, 12A. It is pivotally mounted so as to be rotatable in the direction of separation. Also, the distal end portions 40, 4 of the respective arms 17, 17A.
0A is bent in a direction facing each other.

On the other hand, a pair of connecting plates 23, 23A are arranged inside the wheel stopper main body 1, and guide slots 24, 24A extending in a substantially horizontal direction are formed in the connecting plates 23, 23A, respectively. Tongue pieces 25, 25A protruding from the movable plate 8 are relatively slidably fitted to the respective members. In this manner, the pair of connecting plates 23 and 23A can operate together with the movable plate 8 in a direction approaching or separating from the tread 11 of the tire 10 shown in FIG. The movable plate 8 is operably supported in the direction of movement.

Guide portions 26, 26A formed of grooves are formed on the outer portions of the connecting plates 23, 23A, that is, on the portions of the connecting plates facing the arms 17, 17A, respectively. The guide portions 26, 26A extend substantially in the horizontal direction, and the base ends 19, 19A of the arms 17, 17A, in this example, the pins 20, 20A, slide in the longitudinal direction of the guide portions 26, 26A. It is movably fitted. In addition, in FIG. 2 and FIG.
Although the width of 26A is exaggerated and shown large, it is desirable that each width be set to a size that allows the pins 20 and 20A to fit without any backlash (FIG. 9).
reference).

Each end of a connecting link 27 is pivotally connected to the inner portion of each of the connecting plates 23 and 23A via pivot pins 28 and 29, respectively, and a rod 30 is fixed to the center of the connecting link 27. ing. The rod 30 extends through the elongated hole 31 formed in the upright wall 6 of the case main body 2 and extending vertically to the outside of the wheel stopper main body 1, and a knob 32 is fixed to an end thereof.

A cylinder lock 33 is fixed to the upright wall 6 of the case body 2, and a claw member 36 having a large number of claws 35 is rotated on a rotor 34 of the cylinder lock 33 as schematically shown in FIG. Supported as possible. At this time, a notch 37 is formed in the claw member 36 over a predetermined angle range, and a projection 38 protruding from the rotor 34 is formed by the notch 37.
It can work relatively inside. Therefore, the rotor 3
4 is fixed at the position shown in FIG. 4, the pawl member 36 can freely swing with respect to the rotor 34 in the angular range indicated by α.

The intermediate portion of the rod 30 is bent in a crank shape and protrudes, and the protruding portion 39 is engaged with the claw 35 of the claw member 36. At this time, the pawl member 36 is moved by a biasing member (not shown), for example, a torsion coil spring.
It is rotationally urged in a direction to engage with the zero protrusion 39.

The wheel stopper having the above structure is used as follows.

For example, when the vehicle is stopped on an uphill road and the driver leaves the vehicle, a wheel stopper is disposed at the rear of the rear wheel, and a pair of arms is provided as shown in FIG. By rotating 17, 17A in the direction shown by arrow A,
The interval between them is larger than the width of the tire. At this time, the tire support plate 9 and the movable plate 8 are connected to each other in FIG.
As shown in (b) and (c), they protrude maximum upward. The relative positional relationship between the arm 17 and the connection plate 23 at this time is shown in FIG.

Next, as shown in FIGS. 6 (a), 6 (b) and 6 (c), the tire 1
The tire support plate 9 is placed on the road surface G behind the tire 0 and is brought into contact with the tread 11 while facing the tread 11 of the tire 10. A wedge-shaped wheel stopper main body 1 is inserted into a wedge-shaped space formed by a tread 11 and a road surface G of the tire 10, and a tire support plate positioned substantially parallel to an upper wall 5 thereof. 9 is brought into contact with the tread 11.

Subsequently, both arms 1 are manually operated.
7, 17A are shown by arrows B in the directions approaching each other around the pivot pins 21, 21A (FIGS. 2, 3 and 9), ie, FIGS. 6 (a), (c) and FIG. 9 (b). The arms 17 and 17A are brought into contact with the side portions 22 of the tire 10, respectively. At this time, each arm 17,
Since the distal end portions 40, 40A of the 17A are bent in the directions facing each other, the arms 17, 17A engage with the tire 10 so as to embrace the tire 10, and each arm 1
Unless the members 7 and 17A are rotated in the directions of expanding each other,
The two arms 17, 17A do not come off the tire 10. Thus, when the arms 17, 17A are rotated,
As can be seen from FIGS. 9 (a) and 9 (b),
9, 19A, that is, the pins 20, 20A slide down the guides 26, 26A of the connecting plates 23, 23A and press the connecting plates 23, 23A downward, so that the tire support plate 9 and the movable plate 8 , Descends diagonally downward by a small amount and stops. 6 (a), 6 (b), 6 (c) and 9 (b) show the situation at this time. At this time, the cylinder lock 33 is locked and its rotor 34 is locked.
Is fixed at the position shown in FIG. This completes the setting work of the wheel stopper device. Thus, the setting operation can be performed very easily.

Here, if an earthquake or the like occurs and the vehicle retreats very slightly, the tire 10 presses the tire support plate 9. Thereby, the tire support plate 9 and the movable plate 8 are further pushed obliquely downward as shown in FIGS. 7 (a) and 7 (b). At this time, the connecting plates 23 and 23A also move down together with the movable plate 8, so that the base ends 1 of the arms 17, 17A as shown in FIG.
The pins 20, 20A constituting the components 9, 19A are pressed downward by the connection plates 23, 23A, and the guide portions 2
It moves downward while sliding 6, 26A. As a result, the arms 17 and 17A rotate around the pivot pins 21 and 21A in a direction approaching each other, that is, in a direction indicated by an arrow B in FIG.
The pressing force of each arm 17, 17 </ b> A against 2 is strengthened.

As shown in FIGS. 7 (a), 7 (b) and 7 (c), when the tire supporting plate 9 hits the upper wall 5 of the case main body 2, it does not descend any further. To firmly support the tire 10 and prevent the movement of the tire 10. Moreover, the arms 17, 17A firmly clamp the side portions 22 of the tire 10 when the tire 10 presses the tire support plate 9, so that even if a force to move the tire 10 backward acts on the automobile, The tire 10 does not come off the tire support plate 9, and the movement of the tire 10 is reliably prevented.

As described above, the vehicle wheel stopper device of the present embodiment includes the wheel stopper body 1 mounted on the road surface and the tire supporting the tire 10 by being opposed to the tread 11 of the tire 10 of the parked vehicle. A support plate 9, a movable plate 8 integrally fixed to the tire support plate 9, and mounted on the wheel stopper body 1 together with the tire support plate 9 so as to be operable toward or away from the tread 11. A pair of arms 1 pivotally attached to the wheel stopper main body 1 so as to be rotatable in a direction approaching or separating from the respective side portions 22 of the tire 10.
7, 17A and the wheel stopper body 1 are placed on the road surface G,
The tire support plate 9 is opposed to the tread 11 of the tire 10 and is brought into contact with the tread 11.
In the state where 7A is in contact with the side portion 22 of the tire 10,
When the movable plate 8 is actuated by the tire support plate 9 being pressed by the tire 10, the arms 17, 17 A rotate in a direction to approach each other, and the respective arms 17, 17 A with respect to the respective side portions 22 of the tire 10. A transmission means for transmitting the operation of the movable plate 8 to each of the arms 17 and 17A so as to increase the pressing force is provided.
A pair of connecting plates 23, 23A having 26A constitute the transmission means.

That is, the wheel stopper device of the present embodiment operates in a direction approaching or separating from the tread 11 together with the movable plate 8 and can operate in a direction approaching or separating substantially horizontally from each other. It has a pair of connecting plates 23, 23A supported by the movable plate 8, and each of the connecting plates 23, 23A is formed with a guide portion 26, 26A extending substantially in the horizontal direction.
The base ends 19, 19A of 17A are slidably fitted in the respective guide portions 26, 26A in the longitudinal direction. Then, as described above, the wheel stopper main body 1 is placed on the road surface G, the tire support plate 9 is opposed to the tread 11 of the tire 10 and is brought into contact with the tread 11, and each arm 17, 17A is When the movable plate 8 is actuated together with the pair of connecting plates 23 and 23A when the tire supporting plate 9 is pressed by the tire 10 in a state in which the tire supporting plate 9 is in contact with the side portions 22 of the arms 17, 17A. , 19A slide on the guides 26, 26A of the connecting plates 23, 23A,
The arms 17 and 17A rotate in a direction to approach each other, and each arm 1 with respect to each side portion 22 of the tire 10 is moved.
Each arm 17, 1, 1 7
7A and the movable plate 8 are connected via connection plates 23, 23A.

Further, in the wheel stopper device of this embodiment, FIG.
(B), when the tire support plate 9 is pressurized by the tire 10 and the movable plate 8 descends obliquely downward,
The lower end 14 protrudes downward through slits 15 and 16 formed in the base member 13 and the bottom wall 4 of the case main body 2 shown in FIG. 2, and the lower end 14 strongly engages the road surface G. When the road surface G is a soft material such as a muddy road, the lower end portion 14 gets into the road surface G. Lower end 1 of movable plate 8
4 is configured as a road surface engaging portion that engages with the road surface G when the movable plate 8 is actuated by the tire support plate 9 being pressed by the tire 10. With this configuration, even if the wheel stopper device receives a large force from the tire 10, the wheel stopper device can be prevented from being pushed backward by the tire 10 and moving backward, and the wheel stopper effect can be enhanced. As shown in FIG. 2, if the lower end 14 of the movable plate 8 is formed with irregularities and its tip is sharpened, the engaging force between the lower end 14 and the road surface G can be particularly increased. it can.

By moving the arms 17 and 17A by hand as described above, or by pressing the tire support plate 9 by the tire 10, the movable plate 8 is slanted downward toward the road surface G. 2, the connecting link 27 and the rod 30 shown in FIG. 2 also move down, so that the protrusion 39 of the rod 30
Press. At this time, the cylinder lock 33 is locked,
Although the rotor 34 is fixed at the position shown in FIG. 4, the claw member 36 can freely swing within the angle range indicated by α in FIG.
9 presses each claw 35 of the claw member 36, and
Can be lowered while oscillating around the rotor 34.

However, since the claws of the claw member 36 project obliquely downward as can be seen from FIG. 4, when the rod 30 moves down together with the movable plate 8, both arms 1
7 and 17A are rotated in the direction of arrow A (FIG. 2) to move the movable plate 8
At the same time, if the rod 30 is lifted upward, the protruding portion 39 of the rod 30 engages with the pawl of the pawl member 36 and cannot lift the rod 30 upward. Both arms 1
7, 17A cannot be rotated in the expanding direction. For this reason, as described above with reference to FIG. 6, the arms 17, 17A are once manually rotated in a direction to approach each other, and the respective arms 17, 17A are brought into contact with the tire 10, and When the distal ends 40 and 40A are engaged with the tire, the arms 17 and 17A cannot be expanded and the wheel stopper device cannot be removed from the tire 10 as it is. For this reason, a car cannot be run. In this way, the vehicle itself can be prevented from being stolen by the wheel stopper device.

As described above, the wheel stopper of the present embodiment rotates the two arms 17, 17A in a state where the arms 17 and 17A are in contact with the side portions of the tire 10, and turns the wheel stopper on the tire 1
When set to 0, the distal ends 40, 40A of the arms 17, 17A face each other so that the arms 17, 17A do not come off the tire 10 unless the arms 17, 17A are rotated in the direction of expanding. A lock device is provided that prohibits the movable plate 8 from operating in the opposite direction after the movable plate 8 is operated toward the road surface G while being bent in the direction. The claw member 36 supported by the rotor 34 and the rod 30 that engages with the claw 35 of the claw member 36 constitute a locking device.

Here, when the wheel stopper device in the state shown in FIG. 6 is removed from the tire 10, the key 41 is inserted into the cylinder lock 33 as shown in FIG. That is, rotate the inserted key 41,
The rotor 34 is rotated counterclockwise from the state shown in FIG. 4 to retract the claw member 36 from the protrusion 39 of the rod 30. With this configuration, the restraint of the rod 30 by the claw member 36 is released, so that the arms 17 and 17A can be rotated in the direction in which they expand, and the movable plate 8 can be raised. In this state, the entire wheel stopper device may be removed from the tire 10. The claw member 36 is rotated by the rotation of the key 41, and the knob 32 shown in FIG. 2 is slightly rotated clockwise in FIG. 17,17
A may be expanded.

On the other hand, the tire support plate 9 is pressed by the tire 10, and the lower end portion 14 of the movable plate 8 is strongly engaged with the road surface G as shown in FIG. When removing a wheel stopper from the tire 10,
Since the tire support plate 9 is strongly pressurized by the tire 10, the key 41 is inserted into the cylinder lock 33 and turned, and the rotor 34 is rotated to move the claw member 36 to the rod 3
The arm 17, 17 only by removing it from the
A cannot be rotated in the direction of expanding.

Therefore, in this case, after inserting the key 41 into the cylinder lock 33 and turning it as described above, the claw member 36 is separated from the projection 39, and then the knob 32 is moved to the position shown in FIG.
Large clockwise rotation at. As a result, the rod 30 and the connecting link 27 rotate clockwise in FIG. 2 by a large angle, so that the connecting plates 23 and 23A operate in a direction approaching each other, and the base ends 19 and 19A of the arms 17 and 17A, respectively. That is, in this example, the pin 2
0, 20A is the guide 2 of each connecting plate 23, 23A.
Depart from 6,26A. Therefore, the arms 17, 17A
Can be freely rotated, that is, the direction shown by the arrow A in FIG. 2, and the engagement state of the arms 17 and 17A with the tire 10 can be released. The entire wheel stopper can then be pulled backwards and removed from the tire 10.

As described above, in the wheel stopper device of this embodiment, a pair of connecting portions are provided so that the base portions 19, 19A of the arms 17, 17A are disengaged from the guide portions 26, 26A of the connecting plates 23, 23A. A connecting plate operating means including a knob 32, a rod 30, and a connecting link 27 for operating the plates 23 and 23A in directions approaching each other is provided. Thus, even when the lower end portion 14 of the movable plate 8 is strongly engaged with the road surface G, the wheel stopper device can be easily removed from the tire. When the wheel stop device is used again, the knob 32 is turned counterclockwise in FIG. 2, and the base ends 19, 19A of the arms 17, 17A, that is, the pins 20, 20A are again connected to the connection plates 23, 23A.
To the guide portions 26, 26A.

When there is no danger of the theft of the vehicle or the wheel stopper, there is no need to lock the cylinder lock 33 with the key 41 when the wheel stopper is set as shown in FIG. Is a wheel stopper device for tire 1
When removing from 0, without unlocking the cylinder lock 33,
The wheel stopper device can be released from the tire 10 as it is or by simply turning the knob 32.

Each of the arms 17, 17A may be constituted by a partial piece made of a rigid body.
As shown in FIG. 0, the arm 17 is divided into an arm body 42 and an arm base member 43, and a screw which is rotatably fitted to the center of the arm base member 43 in a screw hole 44 formed in the center of the arm body 42. 45 is screwed into the screw hole 44, the arm body 42 is rotatably assembled to the arm base member 43, and a groove 46 extending in a circumferential direction of the arm body 42 within a predetermined angle range is formed. 43 is slidably fitted with a stopper 47 projecting from the arm body 4.
2 can be configured to be rotatable by a range of an angle β between a use position indicated by a solid line and a storage position indicated by a chain line in FIG. The same applies to the other arm 17A. In this way, when the wheel stopper is not used,
The arm main bodies of the arms 17 and 17A can be stored in the storage positions indicated by the chain lines in FIG. 1, and the wheel stopper device can be made compact and stored.

Further, as shown in FIG.
When a sponge 48 is laminated around 7, 17A, and its outer surface is further covered with a skin 49, each arm 1
It is possible to improve the feel given to the operator when rotating the 7, 17A.

As shown in FIG. 2, a suction cup 50 is provided on the wheel stopper main body 1, and when the car is displayed in a showroom, if the suction cup 50 is adsorbed on the floor, the arms 17, 17A can be used. Even if the tire is not firmly held, the movement of the automobile can be prevented by the wheel stopper device.

When the lower end of the movable plate 8 is not engaged with the road surface G when the tire support plate 9 receives a large pressure from the tire 10, the arms 17, 17
The base end portions 19, 19A of A may be slidably fitted to a guide portion provided on the movable plate 8, for example, a groove. In this case, the guide portion constitutes the aforementioned transmission means. Thereby, the connection plates 23 and 23A can be eliminated, and the structure of the wheel stopper device can be simplified.

[0040]

According to the first aspect of the present invention, the wheel stopper can be set very simply,
When the tire support plate receives a large pressure from the tire, the pair of arms hold the tire more firmly, so that the tire does not come off the tire support plate and always restrains the movement of the tire in a stable state. , Can prevent the car from starting.

According to the second aspect of the present invention, the above-described functions and effects can be obtained, and when the tire support plate receives a large pressure from the tire, the lower end of the movable plate is strongly engaged with the road surface. Therefore, the tire can be more firmly restrained. Moreover, since the base end of each arm can be removed from the guide of the connection plate by the connection plate operating means, the wheel stopper can be easily removed from the tire even when the lower end of the movable plate is strongly engaged with the road surface. be able to.

According to the configuration of the third aspect, not only the wheel stopper device but also the theft of the automobile can be prevented.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a wheel stopper device.

FIG. 2 is a perspective view in which a part of the wheel stopper main body is cut away to clarify an internal structure thereof.

FIG. 3 is an exploded perspective view showing only some elements of the wheel stopper device.

FIG. 4 is an explanatory diagram showing a relative positional relationship between a rotor and a claw member of a cylinder lock.

FIG. 5 is a diagram showing a state before a wheel stopper device is set on a tire.

FIG. 6 is a diagram showing a state when the wheel stopper device is set on a tire.

FIG. 7 is a diagram showing a state when pressure is applied from a tire to a tire support plate.

FIG. 8 is a diagram showing a state when the wheel stopper device is removed from a tire.

FIG. 9 is a diagram illustrating the rotation of the arm and the accompanying movement of the connecting plate.

FIG. 10 is a perspective view showing an example in which an arm is composed of an arm body and an arm base member.

FIG. 11 is a perspective view showing an example in which a sponge and a skin are provided around an arm.

[Explanation of symbols]

 Reference Signs List 1 wheel stopper body 8 movable plate 9 tire support plate 10 tire 11 tread 14 lower end portion 17 arm 17A arm 19 base end portion 19A base end portion 22 side portion 23 connection plate 23A connection plate 26 guide portion 26A guide portion G road surface

Claims (3)

[Claims] 1. A wheel-chuck body mounted on a road surface, a tire support plate opposed to a tread of a tire of a parked automobile and supporting the tire, and a tire support fixed integrally to the tire support plate. A movable plate attached to a wheel stopper body operably in a direction approaching or separating from the tread together with a plate, and a wheel stopper rotatably rotating in a direction approaching or separating from each side portion of the tire. A pair of arms pivotally attached to the main body, the wheel stopper main body is placed on the road surface, the tire support plate is opposed to the tread of the tire and is brought into contact with the tread, and each arm is attached to a side portion of the tire. When the movable plate is actuated by the tire supporting plate being pressed by the tire in the abutted state, both arms rotate in a direction approaching each other, and the pressure contact force of each arm against each side portion of the tire. And a transmission means for transmitting the operation of the movable plate to each arm so as to enhance the vehicle speed. 2. A wheel-chuck body mounted on a road surface, a tire support plate opposed to a tread of a tire of a parked automobile to support the tire, and the tire support fixed integrally to the tire support plate. A movable plate attached to a wheel stopper body operably in a direction approaching or separating from the tread together with a plate, and a wheel stopper rotatably rotating in a direction approaching or separating from each side portion of the tire. A pair of arms pivotally attached to the main body, the movable plate and the movable plate operate in a direction approaching or separating from the tread, and can operate in a direction substantially approaching or separating from each other in a substantially horizontal direction.
A pair of connecting plates supported by the movable plate, wherein each connecting plate is formed with a guide portion extending in a substantially horizontal direction, and a base end of each arm is attached to each of the guide portions in a longitudinal direction thereof. Slidably fitted to the tire, the wheel stopper body is placed on the road surface, the tire support plate is opposed to the tread of the tire and is brought into contact with the tread, and each arm is brought into contact with the side portion of the tire. In this state, when the tire supporting plate is pressurized by the tire and the movable plate is operated together with the pair of connecting plates, the base end of each arm slides on the guide portion of each connecting plate, and both arms are moved. Each arm and the movable plate are connected via the connection plate such that the arms rotate toward each other and the pressing force of each arm against each side portion of the tire is strengthened, and the lower end of the movable plate is Tire support Is configured as a road surface engaging portion that engages with the road surface when the movable plate is actuated by being pressed by the tire, and a pair of connecting portions is provided so that each base end of each arm is disengaged from the guide portion of each connecting plate. A wheel stopper for a motor vehicle provided with connecting plate operating means for operating plates in directions approaching each other. 3. When both arms are turned in a state of contact with the side portion of the tire, each arm is not disengaged from the tire unless both arms are turned in a direction in which the arms expand. 3. The lock device according to claim 1, wherein the distal ends of the arms are bent in directions facing each other, and a lock device is provided for prohibiting operation of the movable plate in a reverse direction after the movable plate is operated toward the road surface. Wheel stop device for automobiles.