KR102494778B1 - Folder type ramp device for truck having anti-scratching guard - Google Patents

Abstract

Disclosed is a foldable ramp device for a truck having an anti-scratching guard, which is installed at a rear side of a cargo box of the truck, so that a vehicle can be loaded on and unloaded from the cargo box. The foldable ramp device for a truck having an anti-scratching guard includes: an upper ramp of which front side is connected to the rear side of the cargo box to be rotatable upward and downward through the medium of a first rotation shaft; a lower ramp of which front side is connected to a rear side of the upper ramp to be rotatable upward and downward through the medium of a second rotation shaft; a first anti-scratching guard which is installed to protrude from a top plate of the cargo box and is installed to extend in a widthwise direction of the cargo box; and a second anti-scratching guard which is installed to protrude from a top plate of the upper ramp and is installed to extend in a widthwise direction of the upper ramp. The first and second anti-scratching guards raise the height of the bottom of the vehicle to be loaded and unloaded, so that the bottom of the vehicle to be loaded and unloaded does not come in contact with a curved section formed between the cargo box and the upper ramp unfolded on the ground.

Description

Folding scaffolding device for trucks with anti-scratch guard {FOLDER TYPE RAMP DEVICE FOR TRUCK HAVING ANTI-SCRATCHING GUARD}

The present invention (Disclosure) relates to a foldable scaffolding device for a truck having a scratch-prevention guard, and more particularly, to a truck loading device having a scratch-prevention guard that prevents the bottom of the vehicle from being scratched when loading and unloading a vehicle. It's about the footrest.

Here, background art related to the present invention is provided, and they do not necessarily mean prior art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, in order to transport vehicles produced in automobile manufacturing plants or rental vehicles (high-place work vehicles, stand-up electric forklifts; hereinafter referred to as "vehicles") using trucks, a folding footrest device is installed at the rear of the truck's loading box. installed and used.

That is, the folding footrest device deploys the footrest toward the ground so that the vehicle can be easily loaded and unloaded from the truck loading box, whereby a ramp for loading and unloading the vehicle is formed between the truck loading box and the ground.

However, when loading and unloading a vehicle using a conventional foldable footrest device, a bending section (gradient) is formed between the rear of the loading box and the footrest deployed toward the ground, so when loading and unloading the vehicle, the bottom of the vehicle body touches the bending section and is scratched, resulting in damage to the vehicle. there was.

In addition, in order to solve the above-mentioned problem, there was another problem that the length of the footrest should be formed long.

Korean Registered Patent Publication No. 10-2323904. Korean Registered Patent Publication No. 10-2230331. Korean Registered Patent Publication No. 10-1517212. Korean Registered Patent Publication No. 10-1681933.

The present invention (Disclosure), even if the length of the footrest is not formed long, the height of the bottom (vehicle ground clearance) of the vehicle passing through the bending section formed by the horizontal loading box and the inclined footrest of the folding footrest device when loading and unloading the vehicle is increased, so that the bottom of the vehicle One object is to provide a folding scaffolding device for trucks having an anti-scratch guard that prevents scratching in contact with the bending section.

In addition, the problem to be solved by the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. It could be.

This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, according to one of the various aspects describing the present invention, a truck having a scratch prevention guard installed at the rear of a loading box of a truck to enable loading and unloading of a vehicle into the loading box. A folding scaffolding device for a truck having an anti-scratch guard comprises: an upper scaffold, the front side of which is rotatably connected to the rear of the loading box via a first pivot shaft; The front side is rotatably connected in the vertical direction to the rear side of the upper scaffold via the second pivot axis, and the lower scaffold is folded or deployed on the upper scaffold around the second pivot axis; A first anti-scratch guard installed protruding from the upper plate of the loading box and extending along the width direction of the loading box; And a second scratch guard installed to protrude from the top plate of the upper scaffold and extend along the width direction of the upper scaffold; including, the first and second scratch prevention guards increase the height of the bottom of the vehicle to be loaded and unloaded, It is possible to prevent the bottom of the vehicle from touching the bending section formed between the loading box and the upper footrest deployed to the ground.

In the folding scaffolding device for a truck having an anti-scratch guard according to one aspect of the present invention, the first anti-scratch guard includes a plane portion formed higher than the top plate of the loading box and parallel to the top plate of the loading box; A first front inclined surface formed to be inclined downward toward the top plate of the loading box from the front of the flat part; and a first rear inclined surface formed to be inclined downward toward the top plate of the loading box from the rear of the flat part.

In the folding scaffolding device for a truck having an anti-scratch guard according to one aspect of the present invention, the upper part of the flat part is formed 34 to 35 mm higher than the upper plate of the loading box, and the length is 690 to 710 mm when the loading box is viewed from the side. It can be formed to have

In the folding footrest device for a truck having an anti-scratch guard according to one aspect of the present invention, the first front inclined surface and the first rear inclined surface may have an inclined angle of 8 to 10 degrees and extend downwardly inclined.

In the folding footrest device for a truck having an anti-scratch guard according to one aspect of the present invention, the second anti-scratch guard includes a second front inclined surface inclined upward from the top of the upper footboard to the rear side of the upper footboard; and a second rear inclined surface formed to be inclined downward from the rear side of the second front inclined surface to the upper plate side of the upper footrest.

In the folding scaffolding device for a truck having an anti-scratch guard according to one aspect of the present invention, the second front inclined surface has an inclination angle of 3 to 4 degrees and extends upwardly inclined, and the rear of the second front inclined surface is the top plate of the upper scaffold. It can be extended to a height of 36 to 37 mm.

In the folding scaffolding device for a truck having an anti-scratch guard according to one aspect of the present invention, the second rear inclined surface may have an inclination angle of 10 to 11 degrees and extend downwardly.

In the folding scaffolding device for a truck having an anti-scratch guard according to one aspect of the present invention, the second front inclined surface is arranged so that the rear wheels of the vehicle to be loaded and unloaded can escape when the front wheels of the vehicle being loaded and unloaded descend along the first front inclined surface. And, the second rear inclined surface can be arranged so that the rear wheels of the vehicle to be loaded and unloaded can ride up when the front wheels of the vehicle to be lifted and lowered pass through the first rear inclined surface and enter the flat surface.

In the folding footrest device for a truck having an anti-scratch guard according to one aspect of the present invention, the rear side of the lower footrest may be formed to gradually lower from the upper side of the lower footboard to the lower side of the lower footboard.

According to the present invention, since the first and second anti-scratch guards are formed on the loading box and the upper scaffold adjacent to the bending section, respectively, the height of the bottom of the vehicle passing through the bending section can be increased. It is possible to provide an effect of preventing the vehicle from being damaged by preventing the bottom of the vehicle from being scratched in contact with the section.

In addition, according to the present invention, since the bottom of the vehicle is not scratched by the first and second anti-scratch guards, it is possible to provide an effect of significantly reducing the length of the upper and lower footrests forming the ramp.

1 is a view showing the installation state of a folding scaffolding device for a truck having a scratch prevention guard according to the present invention, FIG. 1 is a view showing a state in which the upper scaffold and the lower scaffold are folded,
2 is a view showing a state in which the upper and lower scaffolds shown in FIG. 1 are deployed, and a view showing a state in which the vehicle is lifted and lowered.
Figure 3 is an enlarged view showing the first anti-scratch guard shown in Figure 2;
Figure 4 is an enlarged view showing the second scratch prevention guard shown in Figure 2;

Hereinafter, an embodiment implementing a foldable footrest device for a truck having an anti-scratch guard according to the present invention will be described in detail with reference to the drawings.

However, the essential (intrinsic) technical idea of the present invention cannot be said to be limited by the embodiments described below, and based on the essential (intrinsic) technical idea of the present invention, a person skilled in the art below It is revealed that the embodiments described in include the range that can be easily proposed as a method of substitution or change.

In addition, since the terms used below are selected for convenience of description, in grasping the essential (intrinsic) technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted in a meaning consistent with the technical idea of the present invention. It should be.

1 to 4 are drawings showing a folding scaffolding device for a truck having an anti-scratch guard according to the present invention, and a folding scaffolding device 100 for a truck having an anti-scratch guard according to the present invention is shown in FIGS. As shown in, it is installed at the rear of the loading box (B) of the truck (T).

1 to 4, the folding footrest device 100 for a truck having an anti-scratch guard according to the present invention includes an upper footrest 110, a lower footrest 120, first and second anti-scratch guards 130, 140).

First, the upper scaffold 110 and the lower scaffold 120 are formed to have a shape capable of resisting in three dimensions, such as an area sufficient for the vehicle C to be lifted and lowered, and the load of the vehicle C to be lifted and lowered.

At this time, the front side of the upper scaffold 110 is rotatably connected in the vertical direction to the rear of the loading box B of the truck T via the first pivot shaft H1. And the front side of the lower scaffold 120 is rotatably connected in the vertical direction to the rear side of the upper scaffold 110 via the second pivot shaft H2.

In this way, the upper scaffold 110 and the lower scaffold 120 connected to each other by the second pivot axis H2 are folded or deployed so that the lower surfaces facing the ground face each other around the second pivot axis H2 when deployed .

That is, the upper scaffold 110 and the lower scaffold 120 maintain an upright state in the loading box (B) of the truck T around the first pivot axis H1 in a folded state in normal times, and the upper scaffold 110 ) And the lower footrest 120 rotates toward the ground around the first rotation axis H1 when the vehicle C is lifted and lowered, while the upper footrest 110 and the lower footrest 120 center on the second rotation axis H2 It unfolds.

The upper scaffold 110 and the lower scaffold 120 deployed toward the ground in this way form a slope of approximately 12 to 13 degrees relative to the ground on which the vehicle C can be loaded and unloaded from the loading box B of the truck T.

Here, the shape of the upper scaffold 110 and the lower scaffold 120, the connection relationship between the upper scaffold 110 and the lower scaffold 120 through the second pivot axis H2, and the first pivot axis H1 The connection between the upper scaffold 110 and the loading box B of the truck T through the medium and the folding or unfolding of the upper scaffold 110 and the lower scaffold 120 are the same as the conventional folding scaffolding device for trucks. , a detailed description thereof is omitted.

The first and second anti-scratch guards 130 and 140 are the height of the bottom of the loading and unloading vehicle C passing through the bending section (G; gradient) formed between the loading box B and the upper scaffold 110 deployed to the ground. By increasing the bending section (G), the bottom of the vehicle (C) passing through the bending section (G) is not touched so that the vehicle (C) is not scratched.

The first anti-scratch guard 130 is installed to protrude on the upper plate of the loading box (B) adjacent to the bending section (G), and is installed to extend along the width direction of the loading box (B).

The first anti-scratch guard 130 has a flat portion 132 formed higher than the top plate of the loading box B and parallel to the top plate of the loading box B, and the loading box B at the front and rear of the flat portion 132. It includes a first front inclined surface 134 and a first rear inclined surface 136 formed to be inclined downward toward the upper plate side.

At this time, the upper part of the flat portion 132 is formed at a height of 34 to 35 mm (L1), preferably at a height of 34.5 mm (L1) from the top plate of the loading box (B), and the flat portion 132 is formed as high as a height (L1) of the loading box ( B) is formed to have a length of 690 to 710 mm, preferably 699.5 mm, when viewed from the side.

In addition, the first front inclined surface 134 extends downwardly inclined from the front of the plane portion 132 toward the top plate of the box B with an inclination angle θ1 of 8 to 10 degrees, preferably 9 degrees. The rear inclined surface 136 extends from the rear of the plane portion 132 toward the top plate of the box B at an inclination angle θ2 of 8 to 10 degrees, preferably 9 degrees, and is inclined downward.

The flat portion 132, the first front inclined surface 134, and the first rear inclined surface 136 thus formed are formed by bending a structural steel plate (SS400) having a thickness of 3.2 mm, and the bent flat portion 132, the first front inclined surface Lower portions of the inclined portion 134 and the first rear inclined portion 136 are supported by first frames 138 formed to three-dimensionally resist the load of the vehicle C being loaded and unloaded.

Preferably, upper portions of the flat portion 132, the first front inclined surface 134, and the first rear inclined surface 136 may be knurled or welded with a metal mesh to prevent slipping. .

The second anti-scratch guard 140 is installed to protrude on the upper plate of the upper scaffold 110 adjacent to the bending section (G) as shown, and is installed to extend along the width direction of the upper scaffold 110.

The second anti-scratch guard 140 has a second front inclined surface 142 and a second front inclined surface 142 formed inclined upward toward the rear side of the upper scaffold 110 from the upper plate of the upper scaffold 110 adjacent to the bending section G. ) Includes a second rear inclined surface 144 formed to be inclined downward toward the upper plate side of the upper scaffold 110 from the rear side of the.

At this time, the second front inclined surface 142 has an inclination angle (θ3) of 3 to 4 degrees, preferably 3.3 degrees, from the upper plate of the upper scaffold 110 and extends inclined upward, but the second front inclined surface 142 has a rear upper scaffold. 36 ~ 37 mm height (L2) from the upper plate of (110), preferably extends to 36.5 mm height (L2) is formed.

In addition, the second rear inclined surface 144 has an inclination angle (θ4) of 10 to 11 degrees, preferably 10.5 degrees, from the rear of the second front inclined surface 142 to the top plate of the box B. It is formed and extends downward.

The second front inclined surface 142 and the second rear inclined surface 144 thus formed are formed by bending a structural steel plate (SS400) having a thickness of 3.2 mm, and the second front inclined surface 142 and the second rear inclined surface 144 formed by bending The lower part of is supported by the second frames 146 formed to three-dimensionally resist the load of the vehicle C being loaded and unloaded.

Preferably, upper portions of the second front inclined surface 142 and the second rear inclined surface 144 may be knurled or welded with metal mesh to prevent slipping.

On the other hand, the second front inclined surface 142 of the second anti-scratch guard 140 is such that the front wheel F of the vehicle C, which is loaded and unloaded, rides down the first front inclined surface 134 of the first anti-scratch guard 130. The rear wheels (R) of the vehicle (C) to be loaded and unloaded are arranged so that they can escape, and the second rear inclined surface (144) of the second anti-scratch guard (140) allows the front wheels (F) of the vehicle (C) to be loaded and unloaded from the first When entering the plane portion 132 after passing through the rear inclined surface 136, the rear wheels R of the vehicle C are disposed to ride up.

Here, the flat portion 132 forming the first scratch prevention guard 130, the first front inclined surface 134 and the first rear inclined surface 136, and the second front inclined surface forming the second scratch prevention guard 140 142 and the second rear inclined surface 144, and the arrangement of the second scratch prevention guard 140 relative to the first scratch prevention guard 130 is not a simple numerical limitation, but a vehicle that the inventors of the present invention get on and off ( It was barely obtained as a result of various experiments with a special purpose to increase the height of the bottom of C) so that the bottom of the vehicle (C) that is being loaded and unloaded does not touch the bending section (G) and be scratched.

Then, the rear side of the lower scaffold 120 is formed gradually lower toward the lower side of the lower scaffold 120 from the upper plate side of the lower scaffold 120 as shown in FIGS. 1 and 2 . This is to enable the load to be easily pushed up when loads other than the vehicle C are loaded into the loading box B of the truck T.

The foldable scaffolding device 100 for a truck having an anti-scratch guard according to the present invention formed as described above is a vehicle (C) that is loaded and unloaded on the loading box (B) and the upper scaffold 110 adjacent to the bending section (G), respectively, Since the first and second anti-scratch guards 130 and 140 are formed, the height of the bottom of the vehicle C passing through the bending section G can be increased, and thereby the bottom of the vehicle C in the bending section G. It prevents the vehicle C from being scratched by contact.

In addition, since the bottom of the vehicle C is not scratched by the first and second anti-scratch guards 130 and 140, the foldable footrest device 100 for a truck having an anti-scratch guard according to the present invention is applied to the upper and lower parts forming the ramp It is possible to significantly reduce the length of the lower scaffolding (110, 120).

Claims (9)

In the folding scaffolding device for a truck having a scratch-resistant guard installed at the rear of the loading box of a truck to allow vehicles to be loaded and unloaded from the loading box,
The folding scaffolding device for trucks having the scratch prevention guard,
An upper footrest, the front side of which is rotatably connected in the vertical direction to the rear of the loading box via a first pivot shaft;
A lower footrest, the front side of which is rotatably connected in the vertical direction to the rear side of the upper footrest via a second rotation shaft, and which is folded or deployed on the upper footrest around the second rotation shaft;
A first scratch prevention guard protruding from the upper plate of the loading box and extending along the width direction of the loading box; and
A second scratching guard installed so as to protrude from the upper plate of the upper scaffold and extending along the width direction of the upper scaffold;
The first and second anti-scratch guards increase the height of the bottom of the vehicle being loaded and unloaded, so that the bottom of the vehicle being loaded and unloaded does not touch the bending section formed between the loading box and the upper footrest deployed to the ground. Foldable platform for trucks.
The method of claim 1,
The first scratch prevention guard,
A plane portion formed higher than the top plate of the loading box and parallel to the top plate of the loading box;
a first front inclined surface inclined downward toward the upper plate of the loading box from the front of the plane part; and
Foldable scaffolding device for a truck having an anti-scratch guard including a first rear inclined surface formed to be inclined downward toward the top plate of the loading box from the rear of the flat part.
The method of claim 2,
The upper part of the flat part is formed 34 to 35 mm high from the top plate of the loading box, and the folding platform device for trucks having a scratch prevention guard formed to have a length of 690 to 710 mm when viewing the loading box from the side.
The method of claim 2,
The first front inclined surface and the first rear inclined surface have an inclination angle of 8 to 10 degrees and a folding footrest device for a truck having a scratch prevention guard extending downwardly.
The method of claim 2,
The second scratch prevention guard,
A second front inclined surface formed inclined upward from the upper plate of the upper scaffold to the rear side of the upper scaffold; and
A folding footrest device for a truck having a scratch prevention guard comprising a; second rear inclined surface formed to be inclined downward from the rear side of the second front inclined surface to the upper plate side of the upper footrest.
The method of claim 5,
The second front inclined surface has an inclination angle of 3 to 4 degrees and extends upwardly inclined,
The second front inclined surface is a foldable scaffolding device for trucks having a scratch prevention guard extending from the top plate of the upper scaffold to a height of 36 to 37 mm.
The method of claim 5,
The second rear inclined surface has an inclination angle of 10 to 11 degrees and a folding footrest device for a truck having a scratch prevention guard extending downwardly.
The method of claim 5,
The second front inclined surface is arranged so that the rear wheels of the vehicle to be loaded and unloaded can escape when the front wheels of the vehicle to get on and off ride down the first front inclined surface,
The second rear inclined surface is a foldable footrest for a truck having an anti-scratch guard disposed so that the rear wheels of the vehicle to be lifted and lowered can ride up when the front wheels of the vehicle to be moved up and down pass through the first rear inclined surface and enter the flat surface. Device.
The method of claim 1,
The rear side of the lower footrest is a foldable footrest device for trucks having a scratch-resistant guard formed to gradually lower from the upper side of the lower footboard to the lower side of the lower footboard.

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