JP2000247176A - Vehicle carrying tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely fix the arm assembly of a vehicle carrying tool in a standing position. SOLUTION: In a vehicle carrying tool 1 having a base member 4, a longitudinal pair of arm assemblies 16, and a latch mechanism 2 for fixing the arm assembly in standing positions, the arm assembly 16 is formed of a support arm 22 pivotally fixed to the base member 4 through a horizontal shaft 32, a caster 18, and a rotating arm with a socket 26 for lever bar, and the latch mechanism 2 is formed of a housing 3 raised on the side closer to the center from the horizontal shaft 32 of the base member 4, a lock bar fixed to the support arm 22 so as to be located vertically above the horizontal shaft 32 in the standing position of the arm assembly 16, and a fixing lever 82 pivotally fixed to the housing 3 in such a manner as to be vertically rotatable and having a locking recessed groove for engaging the upper end of the lock bar in the position which is located vertically above the horizontal shaft 32 in the horizontal state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle for moving a vehicle.

[0002]

2. Description of the Related Art Conventionally, a vehicle has been used that can be mounted under a wheel so that the vehicle can be moved when the vehicle is unable to travel by accident or failure. As shown in FIGS. 11 to 13, a conventional vehicle carrier 10 includes a base member 14 and a pair of arm assemblies 16 attached to front and rear ends of the base member 14.
And a U-shaped frame 12 in plan view.
Each arm assembly 16 has a support arm 22 extending at right angles to the left and right from the base member 14, and a rotation arm 24 fixed to one end of the support arm 22.

[0003] The base member 14, the support arm 22, and the turning arm 24 are formed by metal square pipes. The length of the base member 14 and the support arm 22 is
2 are selected so that they can be installed close to and behind the wheels. Casters 1 are provided at the left and right ends of the support arm 22.
8 are provided. At the front and rear ends of the base member 14, left and right horizontal shafts 32 are provided. Bearings 28 and 30 are fixed to the support arm 22, and the bearings 28 and 30 are rotatably mounted on a horizontal shaft 32 of the base member. Therefore, the arm assembly 16 is rotatable about the horizontal axis 32 of the base member 14.

[0004] A tubular socket 26 is provided at the tip of the rotating arm 24. When the arm assembly 16 is in the upright position as shown in the drawing, the socket 26 is about 20 ° so that the center side of the base member 14 is lower in a side view.
It is inclined, and is fixedly installed in a state where the upper end side is opened toward the side by about 20 ° in plan view. In the socket 26,
As shown in FIGS. 4 to 6, a lever rod 76 for rotating the arm assembly 16 about the horizontal axis 32 can be inserted and removed.

[0005] At both front and rear ends of the base member 14, latch mechanisms 20 for fixing the arm assembly 16 to the upright position are provided. The latch mechanism 20 has a housing 36 formed of left and right side plates 38 and 40 having different inverted U-shaped lower end lengths.
Is fixed to the upper surface of the base member 14, and the longer side plate 40
Is fixed to the right end face of the horizontal shaft 32.

A fixed lever 42 is rotatably mounted by pins 44 between the left and right side plates 38 and 40. A stopper 46 for restricting the rotation of the fixed lever 42 is fixedly provided between the side plates 38 and 40 at the upper end of the housing 36. A projection 50 is formed on the upper surface of the notch 52 at one end of the fixed lever 42, and the stopper 46 and the fixed lever 4
A spring 48 is attached between the second projection 52 and the second projection 52. The spring 48 urges the handle portion 54 at the other end of the fixed lever 42 to rotate in the direction of the stopper 46 (clockwise in FIG. 13).

The pin 4 on the lower surface of the notch 52 of the lever 42
A locking groove 66 is formed in the vicinity of 4, and the tip of the lock bar 70 is engaged with the locking groove 66 to fix the arm assembly 16 at the upright position. The base end of the lock bar 70 is fixed to the upper surface of the support arm 22 and one side surface of the bearing 30. For reinforcement, a reinforcing bar 72 is fixed between the lock bar 70 and the other side surface of the bearing 30.

On the upper surface of the fixed lever 42, a sliding piece 5 slidable back and forth to hold the latch mechanism 20 at an open position where the lock bar 70 does not engage with the locking groove 66.
6 are provided. An elongated hole 58 is formed in the sliding piece 56 so that a convex piece 60 protruding from the upper surface of the handle portion 54 is engaged. In order to mount the sliding piece 56 on the handle portion 54, a screw 62 having a head wider than the long hole 58 is provided.
It is screwed to the convex piece 60.

When the fixing lever 42 is rotated to the position shown by the chain line in FIG. 13, the raised portion 46 at the end opposite to the stopper 46 of the sliding piece 56 is pushed to move the sliding piece 56 to the stopper 4.
6 can be moved below. Therefore, even if the urging force of the spring 48 acts when the hand is released, the sliding piece 5
6 can hold the handle portion 54 at a position separated from the stopper 46 and hold the latch mechanism 20 at the open position.

[0010] As shown in FIGS.
Can be easily lifted by the vehicle carrier 10. When performing the lifting operation, first, as shown in FIG.
0 is placed on the road surface R with the open side of the U-shaped frame 12 facing the inside of the vehicle and the base member 14 facing the outside of the vehicle in a state where the support arm 22 is folded down, and pushed inward from the outside of the vehicle. Then, the support arm 22 is installed so as to approach the front and rear of the tire 74. Next, the tip of the lever bar 76 is inserted into the socket 26. Since the upper end of the socket 26 is inclined outward, the lever rod 76 can be easily operated by the tire 74.
Away from you.

Then, when the lever rod 76 is rotated clockwise as indicated by an arrow by human power, the arm assembly 16
The lock bar 70 is turned upright, and the leading end of the lock bar 70 presses the notch 52 of the fixing lever 42 to engage with the locking concave groove 66. When one arm assembly 16 stands up as shown in FIG. 15, the lever bar 76 is inserted into the socket 26 of the arm assembly 16 in the other collapsed state, and is turned counterclockwise. Then, as shown in FIG. 16, the arm assembly 16 rotates and stands upright in the vertical direction, and is fixed to the upright position by the latch mechanism 20.

In this state, the vehicle carrier 10 can be moved in any direction on the road surface R by the casters 18, so that the vehicle can be easily carried. Vehicle carrier 1
To remove the 0 from the wheel 77, the fixing of the latch mechanism 20 may be released by slightly pushing the tip of the lever 42 downward. The arm assembly 16 rotates by the action of gravity, and immediately returns to the state where it has fallen on the original road surface R.

The lever rod 76 can be inserted into the socket 26 and the arm assembly 16 can be slowly tilted down.

[0014]

In the vehicle carrier 10, in the state shown in FIG. 13 in which the arm assembly 16 is in the upright position, the arm assembly 16 is turned clockwise about the horizontal axis 32. Force acts. In this state, the pin 44, which is the center of rotation of the fixed lever 42, and the horizontal axis 32, which is the center of rotation of the lock bar 70, are on the same vertical line, and the fixed lever 42 is horizontal. Since the locking concave groove 66 with which the distal end engages is located at a predetermined distance from the pin 44 toward the center of the base member 14, the distal end of the lock bar 70 when the arm assembly 16 attempts to rotate clockwise. The moving direction is obliquely downward, and the locking groove 66 is open in the direction in which the lock bar 70 is to be detached, so that the tip end of the lock bar 70 is easily detached from the locking groove 66. When the arm assembly 16 is raised, the tip of the lock bar 70 is
Difficult to enter 6.

The distance between the front and rear support arms 22 is
Since it is held constant by the base member 14,
If the wheels 77 have different sizes, they cannot be mounted. Therefore, it is necessary to prepare various sizes of the vehicle 10 to cope with the wheels 77 of various sizes. Since the tire 74 is greatly deformed when punctured,
Even if the vehicle carrier 10 is mounted on the wheels 77, it may be difficult to move the vehicle.

An object of the present invention is to solve the above-mentioned problem in a vehicle carrier, and an object of the present invention is to provide a vehicle carrier capable of securely fixing an arm assembly in an upright position. Another object of the present invention is to provide a vehicle carrier that can cope with wheels of various sizes and can be mounted on wheels with punctured tires and moved.

[0017]

According to the present invention, there is provided a vehicle including a base member, a pair of front and rear arm assemblies pivotally mounted on the base member so as to be able to be raised and lowered, and a latch mechanism capable of fixing the arm assembly to an upright position. In the carrier, the arm assembly includes a support arm pivotally attached to the base member on a horizontal axis, a plurality of casters provided on the support arm, and a rotation arm provided with a socket for inserting a lever rod. The latch mechanism includes a housing erected on the center side of the horizontal axis of the base member, and a lock bar fixed to the support arm so as to be located vertically above the horizontal axis at the upright position of the arm assembly. A fixing lever which is pivotally attached to the housing so as to be vertically rotatable, and has a locking groove in which the upper end of the lock bar is engaged at a position vertically above the horizontal axis in a horizontal state. In it is configured.

In this vehicle carrier, when the arm assembly is in the upright position, the fixing lever is horizontal, and the locking recess in which the horizontal axis, which is the center of rotation of the lock bar, and the tip of the lock bar engage. Since the groove is on the same vertical line, and the center of rotation of the fixed lever is located at a predetermined distance from the locking groove toward the center of the base member, the arm assembly is rotated about the horizontal axis. Even if force is applied, the direction of movement of the tip of the lock bar when the arm assembly is about to rotate is a direction perpendicular to the locking groove. Therefore, the tip of the lock bar is unlikely to come off from the locking groove, and the arm assembly can be securely fixed at the upright position.

In a vehicle carrier comprising a base member, a pair of front and rear arm assemblies pivotally mounted on the base member so as to be able to be raised and lowered, and a latch mechanism capable of fixing the arm assembly to an upright position, the base member can be extended and contracted. When it is composed of members, the distance between the front and rear support arms can be easily changed, and it is possible to cope with wheels of various sizes, so that it is not necessary to prepare vehicle vehicles of various sizes. An upper surface mounted on a support arm in a vehicle carrier including a base member, a pair of front and rear arm assemblies pivotally mounted on the base member so as to be able to be raised and lowered, and a latch mechanism capable of fixing the arm assembly to an upright position. If a tire is provided with a concave tire support plate and is mounted on a punctured wheel, a vehicle having a punctured tire can easily move.

[0020]

1 is a plan view showing a state in which an arm assembly of a vehicle carrier according to an embodiment of the present invention is in an upright position, FIG. 2 is a side view thereof, and FIG. 3 is a vehicle carrier. FIG. 4 is a plan view showing a state in which the arm assembly of FIG. 1 is in the down position, FIG. 4 is a side view thereof, and FIG.

The vehicle carrier 1 has a U-shaped frame 12 in plan view including a base member 4 and a pair of arm assemblies 16 attached to the front and rear ends of the base member 4. Each arm assembly 16 has a support arm 22 extending from the base member 4 to the right and left at right angles, and a rotation arm 24 fixed to one end of the support arm 22.

The base member 4, the support arm 22, and the turning arm 24 are formed of a metal square pipe. The base member 4 is a telescopic member composed of a central outer cylinder 5 and a pair of front and rear inner cylinders 6 slidably inserted into the outer cylinder 5 in any of the front and rear directions. The length of the base member 4 can be set arbitrarily by inserting the crab bolt 8. The length of the support arm 22 is selected to be a length that can be mounted on a vehicle wheel. Casters 18 are provided at left and right ends of the support arm 22.

At the front and rear ends of the base member 4, a horizontal shaft 3
2 are provided. Bearings 28, 3
The bearings 28 and 30 are rotatably mounted on a horizontal shaft 32 of the base member. Therefore,
The arm assembly 16 is rotatable about a horizontal axis 32 of the base member 4. A towing ring 23 is provided at the center of the support arm 22.

At the tip of the turning arm 24, a tubular socket 26 is provided. When the arm assembly 16 is in the upright position as shown in the figure, the socket 26 is inclined by about 30 ° so that the center side of the base member 4 is lower in side view, and the upper end side is about 20 ° in plan view. It is fixed in an open state toward. A lever (not shown) for rotating the arm assembly 16 about the horizontal axis 32 can be inserted into and removed from the socket 26.

A latch mechanism 2 for fixing the arm assembly 16 to the upright position is provided at both front and rear ends of the base member 4.
Is provided. The latch mechanism 2 includes left and right side plates 79,
The housing 3 includes a housing 3, and the housing 3 is provided upright on the center side of the horizontal axis 32 of the base member 4. A fixed lever 82 is provided between the left and right side plates 79, 80.
Are rotatably attached by pins 84. The fixed lever 82 has a handle portion 8 at the center end of the base member 4.
3 is provided, and the lower surface of the other end is provided with a fixed lever 8.
A locking groove 86 is formed at a position vertically above the horizontal axis 32 of the base member 4 in a horizontal state.

The locking groove 86 of the fixed lever 82 and the pin 84
A spring 88 is attached between an intermediate point of the above and the inner cylinder 6 of the base member 4. The spring 88 urges the fixing lever 82 so that the locking groove 86 rotates downward. When the tip of the lock bar 92 is engaged with the locking groove 86, the arm assembly 16 is fixed at the upright position. The lock bar 92 has its base end at the bearing 3 of the support arm 22 so as to be located vertically above the horizontal shaft 32 at the upright position of the arm assembly 16.
0.

Before and after the side plates 79, 80 of the housing 3, stoppers 89, 90 for restricting the rotation of the fixed lever 82 are fixed below the fixed lever 82. As shown in FIG. 6, a wheel 7 of an automobile 75 equipped with a tire 74
The vehicle 7 can be easily lifted by the vehicle carrier 1. When the lifting operation is performed, first, as shown in FIGS. 3 and 4, the open side of the U-shaped frame 12 is placed on the vehicle carrier 1 with the support arm 22 lying down, The member 4 is placed on the road surface R toward the outside of the vehicle 75 and is pushed from the outside of the vehicle 75 to the inside, so that the support arm 22 is located close to the front and rear of the tire 74. Next, the tip of the lever rod is inserted into the socket 26. Since the upper end of the socket 26 is inclined outward, the lever stick is oriented away from the tire 74 for easy operation.

Then, when the lever is turned in the direction of standing up in the same manner as in FIG.
Is turned around the horizontal axis 32 and stands up, and the tip of the lock bar 92 pushes the lower surface of the fixed lever 82 to push the locking groove 8.
6 and is fixed to the upright position by the latch mechanism 2. When one of the arm assemblies 16 stands up, the lever rod is inserted into the socket 26 of the arm assembly 16 which is in the downside position, and is turned in the upright direction. Then
The arm assembly 16 is turned upright in the vertical direction, and is fixed to the upright position by the latch mechanism 2.

The vehicle carrier 1 includes an arm assembly 1
6 is in the upright position, the fixed lever 82 is horizontal and the horizontal axis 32,
And the locking groove 86 with which the tip of the lock bar 92 engages is on the same vertical line, and the pin 84, which is the center of rotation of the fixed lever 82, moves a predetermined distance from the locking groove 86 to the center of the base member 4. Since the arm assembly 16 is at the separated position, even if a force for rotating the arm assembly 16 about the horizontal axis 32 is applied, the movement direction of the tip of the lock bar 92 when the arm assembly 16 is about to rotate is , The direction perpendicular to the locking groove 86. Therefore, the tip of the lock bar 92 is unlikely to come off the locking groove 86, and the arm assembly 16 can be securely fixed at the upright position.

In this state, the tire 74 is mounted on the support arm 22.
The vehicle carrier 1 is supported on a caster 18.
The vehicle 75 can be moved in any direction on the road surface R, so that the automobile 75 can be easily transported. When the vehicle 7 becomes unable to run, as shown in FIG. 7, the wheel 77 is placed on the vehicle carrier 1, and the wire rope 95 of the winch 94 of the vehicle 93 is connected to the ring 23 and wound up. It can be loaded on the vehicle carrier 93.

If a device 78 is provided between the vehicle carrier 1 and the tire 74, the tire 7 can be transported during transportation.
There is no danger that the vehicle 4 will fall off from the vehicle carrier 1, and the work can be performed more safely and reliably. When removing the vehicle carrier 1 from the wheel 77, the handle portion 83 of the fixed lever 82
Is pressed slightly downward, and the tip of the lock bar 92 and the locking groove 8 are pressed.
6 may be disengaged, and the fixing of the latch mechanism 2 may be released. The arm assembly 16 rotates by the action of gravity, and immediately returns to the state where it has fallen on the original road surface R. Since the handle portion 83 of the fixing lever 82 of the front and rear latch mechanism 2 is located at a position close to the center of the base member 4, when releasing the fixing of the latch mechanism 2, the worker does not move back and forth without moving back and forth. The fixing of both latch mechanisms 2 can be released.

The base member 4 can be expanded and contracted by sliding the inner cylinder 6 with respect to the outer cylinder 5.
Since the distance between the front and rear support arms 22 can be easily changed and the wheels 77 of various sizes can be accommodated, there is no need to prepare vehicle vehicles 1 of various sizes. When the tire 74 is punctured, the wheel 77 is moved to the front and rear support arms 2.
If only the support 2 is used, the tire 74 is greatly deformed as shown in FIG. 8, so that it may be difficult to move the automobile 75.

In such a case, as shown in FIG.
When a tire support plate 96 having a concave upper surface is mounted between the support arm 22 and the tire 74, the deformation of the tire 74 is reduced and the automobile 75 can be moved.
Therefore, the automobile 75 whose tire 74 is flat is also shown in FIG.
As shown in (1), it is possible to wind up the vehicle with the winch 94 and easily load the vehicle into the vehicle carrier 93.

[0034]

As described above, the vehicle carrier of the present invention can securely fix the arm assembly at the upright position. In addition, when the base member is made of an extensible member, the distance between the front and rear support arms can be easily changed,
Since it is possible to cope with wheels of various sizes, it is not necessary to prepare vehicle vehicles of various sizes.

Further, the vehicle can be easily transported by providing a tire support plate having a concave upper surface to be mounted on the support arm and mounting the tire support plate on the wheel where the tire is punctured. Become like

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which an arm assembly of a vehicle carrier according to an embodiment of the present invention is in an upright position.

FIG. 2 is a side view showing a state in which an arm assembly of the vehicle is in an upright position.

FIG. 3 is a plan view showing a state in which the arm assembly of the vehicle is in a lying position.

FIG. 4 is a side view showing a state in which the arm assembly of the vehicle is in a lying position.

FIG. 5 is an explanatory diagram of a configuration of a latch mechanism.

FIG. 6 is a side view showing a state in which the vehicle is mounted on wheels.

FIG. 7 is an explanatory diagram of a state in which a vehicle having a vehicle carrier mounted on wheels is loaded on the vehicle carrier.

FIG. 8 is an explanatory diagram of a state where a vehicle carrier is mounted on a punctured tire.

FIG. 9 is an explanatory view of a state in which a vehicle having a tire support plate is mounted on a punctured tire.

FIG. 10 is an explanatory view of a state in which a vehicle equipped with a vehicle carrier equipped with a tire support plate and mounted on a punctured tire is loaded on the vehicle carrier.

FIG. 11 is a perspective view of a conventional vehicle carrier.

FIG. 12 is a perspective view of a conventional vehicle carrier.

FIG. 13 is an explanatory view of a latch mechanism of a conventional vehicle carrier.

FIG. 14 is an explanatory diagram of a mounting operation of a conventional vehicle carrier.

FIG. 15 is an explanatory view of a mounting operation of a conventional vehicle carrier.

FIG. 16 is an explanatory diagram of a conventional vehicle carrier mounting operation.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 vehicle carrier 2 latch mechanism 3 housing 4 base member 5 outer cylinder 6 inner cylinder 7 positioning hole 8 bolt 12 frame 16 boom assembly 18 caster 22 support arm 24 turning arm 26 socket 28 bearing 30 bearing 32 horizontal axis 74 tire 75 automobile 77 Wheel 82 Fixing lever 84 Pin 86 Locking concave groove 88 Spring 92 Lock bar 96 Tire support plate

Claims (3)

[Claims] 1. A vehicle carrier comprising: a base member; a pair of front and rear arm assemblies pivotally mounted on the base member so as to be capable of being raised and lowered; and a latch mechanism capable of fixing the arm assembly to an upright position. Consists of a support arm pivotally attached to the base member on the horizontal axis, a plurality of casters provided on the support arm, and a turning arm provided with a socket for inserting a lever rod, and a latch mechanism, A housing erected on the center side of the horizontal axis of the base member, a lock bar fixed to the support arm so as to be located vertically above the horizontal axis at the upright position of the arm assembly, A fixed lever having a locking groove in which the upper end of the lock bar engages at a position vertically above the horizontal axis in a horizontal state. . 2. A vehicle carrier comprising: a base member; a pair of front and rear arm assemblies pivotally mounted on the base member so as to be able to move up and down; and a latch mechanism capable of fixing the arm assembly to an upright position. Is a telescopic member. 3. A vehicle carrier comprising a base member, a pair of front and rear arm assemblies pivotally mounted on the base member so as to be able to move up and down, and a latch mechanism capable of fixing the arm assembly at an upright position. A vehicle carrier comprising a tire support plate having a concave upper surface mounted thereon.