KR101540456B1 - Cargo Box for Truck - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cargo carrying truck for a cargo transportation vehicle, which comprises a skeleton structure of vertical frames and horizontal frames so as to form a skeleton of a cargo loading rack, The cargo can be loaded through the upper surface of the cargo loading box with the upper surface of the cargo loading box being open, so that it is possible to carry out the cargo loading operation more conveniently, and when the car is loaded after the cargo loading, the upper door is closed, It is possible to prevent the cargo from falling and to provide a more convenient and safe cargo loading and by forming the rainwater guide portion and the rainwater catching portion which can prevent the inflow of rainwater into the upper door opening and closing the upper surface of the cargo loading box, Rainwater can be prevented from entering, making it safer and more loadable. And provides a cargo truck for freight vehicles that can exert its full potential.

Description

{Cargo Box for Truck}

The present invention relates to a cargo loading box for a cargo carrying vehicle. More particularly, the skeleton structure of the vertical frame and the horizontal frame is formed so as to form the skeleton of the cargo loading box capable of loading cargo, and an upper door capable of opening and closing the upper surface of the cargo loading box is mounted on the horizontal frame, It is possible to load the cargo on the upper surface of the cargo loading box in a state where the cargo loading device can open and the cargo loading can be carried out more conveniently and it is possible to prevent the cargo falling inside by closing the upper door during the car operation after the cargo loading A rainwater guide portion and a rainwater receiving portion that can prevent the inflow of rainwater into the upper surface door that opens and closes the upper surface of the cargo loading box are provided so that the rainwater can be prevented from flowing into the space inside the cargo loading box For cargo transportation vehicles that can exhibit more safe and superior cargo loading performance It relates to water loading area.

Recently, with the growth of the logistics industry, the number of cargo transportation vehicles carrying various cargoes has increased greatly, and the kinds of cargoes carried by cargo transportation vehicles have also increased in a great variety.

Cargo vehicles are usually equipped with cargo holders capable of loading cargo. The cargo holders must be securely installed so that the cargo does not fall or spill onto the road while the cargo is being carried.

In the case of various industrial wastes among the cargoes carried by such cargo transportation vehicles, since the wastes are primarily transported to the specific waste disposal site by the cargo transportation vehicle in a state of being crushed first, It should be installed more securely so that waste does not fly or fall on the road.

A cargo carrying truck of a general cargo carrying vehicle is formed in a shape of a rectangular parallelepiped and its upper surface is opened, and after the cargo is loaded through the opened top surface, a separate tent is covered and bundled with a binding strap, It is operated to the extent that it does not.

In this case, the cargo such as the waste loaded on the cargo loading box is dropped on the road while the car is being loaded, the car is overloaded due to carelessness of the operator or the tent is damaged by the cargo, Causing damage or causing an accident risk.

Korean Patent No. 10-1186414

It is an object of the present invention to provide a skeleton structure of a vertical frame and a horizontal frame so as to form a skeleton of a cargo loading rack capable of loading cargo, The upper surface of the cargo loading box can be freely loaded on the upper surface of the cargo loading box with the upper surface of the cargo loading box being mounted so that the cargo loading operation can be carried out more conveniently. So that it is possible to prevent collapse of the cargo loaded in the cargo carrying case, thereby enabling convenient and safe cargo loading.

It is another object of the present invention to provide a rainwater guiding unit and a rainwater collecting unit which can prevent rainwater from flowing into an upper surface door that opens and closes the upper surface of a cargo loading box, And to provide a cargo loading box for a cargo transportation vehicle capable of exhibiting excellent cargo loading performance.

It is still another object of the present invention to provide a cargo loading and unloading apparatus which is equipped with a top door for opening and closing an upper surface of a cargo loading rack and a side door for opening and closing a side thereof and dividing the upper door and the side door into a plurality of Accordingly, it is possible to independently open and close only a part of the space of the cargo loading box, thereby providing a cargo loading box for a cargo transportation vehicle that can be used in various ways in a more convenient manner.

The present invention relates to a cargo carrying vehicle for a cargo carrying vehicle, which is provided in a cargo carrying vehicle and is formed in a form that can be opened and closed so that the cargo can be loaded and unloaded, A holding frame including a plurality of vertical frames arranged vertically in a direction perpendicular to an edge of the horizontal bottom plate and a plurality of horizontal frames arranged in a horizontal direction and coupled to upper ends of the vertical frames adjacent to each other; An upper door rotatably coupled to the horizontal frame for opening and closing an upper surface of the cargo loading box; And an upper surface door driving unit for rotating the upper surface door.

The cargo loading box may include a side door rotatably coupled to the horizontal frame to open and close the side of the cargo loading box. And a side door driving unit for driving the side door to rotate.

In addition, a separate blocking plate may be fixedly coupled to the strut frame to block the front and rear surfaces of the cargo loading box.

At this time, the upper surface door is divided into a first upper surface door and a second upper surface door along the width direction of the cargo loading box, and the first upper surface door and the second upper surface door are rotatably coupled And the upper surface door driving unit may be mounted to rotate the first upper surface door and the second upper surface door, respectively.

The first upper surface door and the second upper surface door are formed so that ends of the first upper surface door and the second upper surface door are overlapped with each other in a state rotated so as to close the upper surface of the cargo loading box. A rainwater guide portion is formed so as to protrude from the rainwater guide portion and a rainwater receiving portion can be formed at an end of the second upper surface door to receive and discharge the rainwater falling along the rainwater guide portion to the outside.

In addition, a sealing member may be mounted on one side of the rainwater receiver so as to be in close contact with the lower surface of the first upper surface door.

The first and second top-surface doors and the second top-surface door may be disposed at the front end and the rear end of the first and second top-surface doors, respectively. The first and second top- A rain cover covering the outer surface of the frame can be mounted.

The upper surface door driving unit may include a driving motor for rotating the rotary shaft formed at one end of the first upper surface door and the upper surface of the second upper surface door or a driving motor for rotating the first upper surface door and the second upper surface door, And a hydraulic cylinder connected to the door and the second upper surface door, respectively, and the driving motor may be driven to rotate the rotation shaft directly or by using a separate driving chain.

The side door driving unit may include a hydraulic cylinder for rotating the side door.

The vertical frame is provided with a cylinder mounting groove for receiving the hydraulic cylinder therein. The hydraulic cylinder has one end coupled to the vertical frame and the other end coupled to the side door. By operation of the hydraulic cylinder The side door can be opened and closed.

According to the present invention, a skeleton structure of a vertical frame and a horizontal frame is formed so as to form a skeleton of a cargo loading box capable of loading cargo, and an upper door capable of opening and closing an upper surface of the cargo loading box is mounted on a horizontal frame, It is possible to load freight through the upper surface of the cargo loading box with the top surface being open, so that it is possible to carry out cargo loading operation more conveniently, and when the cargo is loaded, the upper door is closed while the car is running, There is an effect that it is more convenient and safe.

Further, since the rainwater guide portion and the rainwater receiving portion, which can prevent the inflow of rainwater, are formed on the upper surface door that opens and closes the upper surface of the cargo loading box, rainwater can be prevented from flowing into the space inside the cargo loading space, It is possible to exert an effect.

In addition, an upper door for opening and closing the upper surface of the cargo loading box and a side door for opening and closing the side are installed, and the upper door and the side door are divided into a plurality of portions along the longitudinal direction of the cargo loading box, It is possible to independently open and close the space so that it is more convenient and can be used in various ways.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 and Fig. 2 are perspective views schematically showing the outer shape of a cargo carrying truck for a cargo transportation vehicle according to an embodiment of the present invention; Fig.
FIG. 3 is a schematic view illustrating a top door operation state of a cargo loading box according to an embodiment of the present invention; FIG.
FIG. 4 is a schematic view illustrating various schemes for the upper-side door driving unit of the cargo loading box according to an embodiment of the present invention;
5 is a schematic view illustrating a side door operation state of a cargo loading box according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view schematically showing the outline of a cargo carrying truck for a cargo transportation vehicle according to an embodiment of the present invention, and FIG. 3 is a perspective view schematically showing an operation state of a top door of a cargo loading box according to an embodiment of the present invention. 4 is a view schematically showing various modes of the upper door driving unit of the cargo loading box according to the embodiment of the present invention, and FIG. 5 is a side view showing the side door of the cargo loading box according to the embodiment of the present invention. Fig. 2 is a view schematically showing an operating state.

A cargo carrying truck for a cargo transportation vehicle according to an embodiment of the present invention is provided in a cargo transportation vehicle 10 so as to be openable and closable so as to be able to carry cargo, and includes a horizontal bottom plate 100, a holding frame 200, The upper door 300 and the upper door driving unit 400 and may further include a side door 500 and a side door driving unit 600.

The horizontal bottom plate 100 is coupled to the vehicle body so as to be positioned at a rear portion of the vehicle body 10 and is formed in a flat rectangular plate shape and horizontally arranged to load cargo on the floor surface, .

The support frame 200 includes a plurality of vertical frames 210 arranged in a vertical direction on the edge of the horizontal bottom plate 100 and a plurality of vertical frames 210 extending in the horizontal direction, And a plurality of horizontal frames 220 coupled to both ends of the vertical frame 210 adjacent to each other. For example, the vertical frame 210 and the horizontal frame 220 may be formed to have a rectangular frame-like frame structure together with the horizontal bottom plate 100 having a rectangular plate shape.

The upper surface door 300 is rotatably coupled to the horizontal frame 220 so that the upper surface of the upper surface door 300 can be opened and closed with respect to the cargo carrying case 20 having a rectangular parallelepiped shape formed by the horizontal bottom plate 100 and the supporting frame 200. The upper surface door driving unit 400 is configured to rotationally drive the upper surface door 300, which may be configured in various ways such as a driving motor or a hydraulic cylinder.

The side door 500 is rotatably coupled to the horizontal frame 220 so as to open and close the side surface of the cargo loading box 20 and the side door driving part 600 rotatably supports the side door 500, Cylinder and the like. It is preferable that the side door 500 is mounted to open and close both lateral sides of the cargo loading box 20. In this case, both longitudinal sides of the cargo loading box 20, And can be closed by the plate 230. The blocking plate 230 may be fixedly coupled to the supporting frame 200.

According to the structure, the upper surface of the cargo loading box 20 can be opened or closed through the upper door 300, and the side surface of the cargo loading box 20 can be opened or closed through the side door 500.

Therefore, in the process of loading the cargo in the cargo loading box 20, the cargo is loaded into the space inside the cargo loading box 20 through the upper surface of the cargo loading box 20 with the upper door 300 of the cargo loading box 20 being opened In the process of unloading the cargo from the cargo loading box 20, the cargo can be unloaded through the side of the cargo loading box 20 while the side door 500 of the cargo loading box 20 is opened have.

Particularly, when various municipal wastes or industrial wastes are to be carried and carried, these wastes are moved up and down in a crushed or compressed state. Therefore, when these wastes are taken out of the cargo loading box 20, In this case, the cargo loading box 20 according to the embodiment of the present invention can open the upper surface through the upper door 300, so that it is possible to carry out the loading operation for the waste very conveniently. In addition, at the time of getting off, the side door 500 is opened so that the waste can be removed by sweeping off the side of the cargo loading box 20, so that the unloading operation can be conveniently performed.

When a cargo such as waste is loaded on the cargo loading box 20, the cargo car is moved to a destination. When the cargo loaded on the cargo loading box 20 is blown or falls into the road during such a traveling process, There is a need for safety measures. The conventional cargo loading box 20 according to the related art is not formed with an opening / closing door mounted on an upper surface thereof, but simply formed with an opened top surface. After the cargo is loaded, the cargo is discharged to the outside . However, since the cargo loading box 20 according to the embodiment of the present invention is installed on the upper surface (not shown) driven by the separate driving unit 400, Since the upper surface of the cargo loading box 20 can be opened and closed through the door 300, the upper surface of the cargo loading box 20 can be safely closed through the upper door 300 when traveling in a cargo loaded state. Cargo can be safely transported.

1, the upper surface door 300 is divided into a first upper surface door 310 and a second upper surface door 320 along the width direction of the cargo loading box 20, 310 and the second upper surface door 320 are respectively rotatably coupled to the horizontal frames 220 opposed to each other and the upper surface door driving unit 400 includes a first upper surface door 310 and a second upper surface door 320 Respectively. The first upper door 310 and the second upper door 320 are mounted on the horizontal frame 220 and the upper door driving unit 400 rotatably drives the respective rotary shafts 301, So that the first upper surface door 310 and the second upper surface door 320 can be opened and closed.

The first upper surface door 310 and the second upper surface door 320 may be formed so that ends of the first upper surface door 310 and the second upper surface door 320 are overlapped with each other while being rotated to close the upper surface of the cargo loading box 20, 310 and the second upper surface door 320 are closed, the upper surface of the cargo loading box 20 can be completely closed, and the gap can be prevented, so that the fall of the cargo can be prevented more completely have.

1 and 3, a rainwater guide portion 311 protruding downward to guide the flow of rainwater downward is formed at the end of the first upper surface door 310, An additional rainwater receiver 321 may be formed at the end to receive the rainwater falling along the rainwater guide portion 311 and to discharge the rainwater to the outside. At this time, a separate sealing member 322 may be mounted on one side of the rainwater receiver 321 so as to be in close contact with the lower surface of the first upper surface door 310.

According to such a configuration, the rainwater leakage to the inner space of the cargo loading box 20 through the coupling portion does not occur in a state in which the first upper surface door 310 and the second upper surface door 320 are closed. That is, in a state in which the first upper surface door 310 and the second upper surface door 320 are closed, outer rainwater is guided downward along the rainwater guide portion 311 of the first upper surface door 310, The rainwater stored in the rainwater receiver 321 is discharged to the outside of the cargo hold box 20 along the rainwater receiver 321. Accordingly, the rainwater is received in the rainwater receiver 321 of the second upper surface door 320, The inflow of rainwater into the inner space of the cargo loading box 20 is prevented. Particularly, since the sealing member 322 is mounted on one side of the rainwater receiver 321, rainwater leakage from the rainwater receiver 321 is prevented, and a more complete waterproof function can be provided.

The first upper surface door 310 and the second upper surface door 320 are rotated at the front end and the rear end of the first upper surface door 310 and the second upper surface door 320 so as to close the upper surface of the cargo loading box 20 A rainwater cover 330 may be mounted to surround the outer side of the horizontal frame 220 located at the front and rear ends of the cargo loading box 20 in the state of FIG. As shown in the enlarged view of FIG. 1, the rainwater cover 330 may be formed in a curved shape, and a separate sealing member 331 may be mounted on the inner surface of the rainwater cover 330. According to this structure, it is possible to more completely prevent inflow of rainwater into the space inside the cargo hold box 20 through the upper door 300.

Likewise, the same type of rain cover 510 may be mounted on the front end and the rear end of the side door 500. In other words, the side door 500 may be formed in a shape of "A" folded in the form of wrapping the outer side of the vertical frame 210 in a closed operation state, and a sealing member 511 may be similarly mounted on the inner side .

1, the upper door 300 and the side door 500 may be formed as one long body along the longitudinal direction of the cargo loading box 20. However, as shown in FIG. 2, the cargo loading box 20 Or may be separately formed in two or three separate lengths along the longitudinal direction of the cargo loading box 20 according to the user's needs and may be separately opened and closed.

When the upper door 300 and the side door 500 are separated from each other along the longitudinal direction of the cargo mount 20 and opened and closed separately, Or can be closed and can be used conveniently in more various ways.

3 illustrates the opening and closing operation of the first upper surface door 310 and the second upper surface door 320. The first upper surface door 310 and the second upper surface door 320, May be configured to be openable until the one side contacts the side door 500, i.e., to a vertical angle. Accordingly, the upper surface of the cargo loading box 20 can be completely opened, and the inconvenience due to the upper surface door 300 can be minimized when the cargo is loaded.

4, the upper surface door driving unit 400 for rotating the upper surface door 300 includes a rotation axis 301 formed at one end of the first upper surface door 310 and the second upper surface door 320, The first upper surface door 310 and the second upper surface door 320 may include a driving motor 410 for rotating the first upper surface door 310 and the second upper surface door 320, And a hydraulic cylinder 420 connected to the hydraulic cylinder 420 and the hydraulic cylinder 420, respectively.

The hydraulic cylinder 420 is mounted such that one end thereof is connected to the horizontal frame 220 and the other end thereof is connected to the first upper surface door 310 and the second upper surface door 320 as shown in FIG. So as to open and close the respective doors.

In the case of the drive motor 410, as shown in Fig. 4 (a), the drive motor 410 is directly connected to the rotation shaft 301 to directly drive the rotation shaft 301, And may be configured to rotationally drive the rotary shaft 301 through power transmission means using a separate sprocket 411 and a chain 412.

Of course, the configuration of the upper surface door driving unit 400 may be modified in various ways.

5, the opening and closing structure of the side door 500 is shown. The side door driving unit 600 may include a hydraulic cylinder 610 as shown in FIG. The vertical frame 210 may be provided with a cylinder mounting groove 211 for receiving the hydraulic cylinder 610. The hydraulic cylinder 610 may have one end coupled to the vertical frame 210, The side door 500 is coupled to the door 500 and the side door 500 can be opened and closed by rotating the hydraulic cylinder 610 as shown in FIGS. 5A and 5B.

The foregoing description is merely illustrative of the technical idea of the present invention and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: vehicle 20: cargo loading box
100: Horizontal bottom plate 200: Holding frame
210: vertical frame 211: cylinder mounting groove
220: horizontal frame 300: upper surface door
301: rotating shaft 310: first upper surface door
311: Rainwater guide part 320: Second upper surface door
321: rainwater receiver 322: sealing member
330: Rainwater cover 331: Sealing member
400: upper surface door driving unit 410: driving motor
420: Hydraulic cylinder 500: Side door
600: side door driving part 610: hydraulic cylinder

Claims (10)

1. A cargo carrying truck for a cargo carrying vehicle, the cargo carrying car being provided in the cargo carrying vehicle and being openable and closable so as to carry the cargo,
A horizontal bottom plate coupled to the vehicle body;
A holding frame including a plurality of vertical frames arranged vertically in a direction perpendicular to an edge of the horizontal bottom plate and a plurality of horizontal frames arranged in a horizontal direction and coupled to upper ends of the vertical frames adjacent to each other;
An upper door rotatably coupled to the horizontal frame for opening and closing an upper surface of the cargo loading box; And
An upper surface door driving unit for rotationally driving the upper surface door,
And the upper surface door
A first upper surface door and a second upper surface door separated from each other in a width direction of the cargo loading box, the first upper surface door and the second upper surface door being rotatably coupled to a horizontal frame opposed to each other, Is mounted to rotate the first upper surface door and the second upper surface door, respectively,
Wherein the first upper surface door and the second upper surface door are formed so that ends of the first upper surface door and the second upper surface door overlap with each other when the upper surface door is rotated to close the upper surface of the cargo loading box,
A rainwater guide portion protruding downward to guide the flow of rainwater downward is formed at an end of the first upper surface door,
And a rainwater receiving portion is formed at an end of the second upper surface door to receive rainwater falling along the rainwater guide portion and to discharge the rainwater to the outside.
The method according to claim 1,
A side door rotatably coupled to the horizontal frame so as to open and close a side surface of the cargo loading box; And
A side door driving part
Further comprising: a cargo carrying case for the cargo carrying vehicle.
3. The method of claim 2,
And a separate blocking plate is fixedly coupled to the strut frame to block the front and rear surfaces of the cargo loading box.
delete delete The method according to claim 1,
And a sealing member is mounted on one side of the rainwater receiver so as to be in close contact with the lower surface of the first upper surface door.
The method according to claim 1,
The first upper door and the second upper door are disposed at the front end and the rear end of the first upper surface door and the second upper surface door in a state in which the first upper surface door and the second upper surface door are rotated to close the upper surface of the cargo loading box, And a rainwater lid covering the outer surface of the cargo carrying lane is mounted.
The method according to claim 1,
The upper surface door driving unit
A driving motor for rotationally driving a rotation shaft formed at one end of the first upper door and a second upper door, or a driving motor for driving the first upper door and the second upper door so as to open and close the first upper door and the second upper door, And one of hydraulic cylinders connected and mounted, respectively,
Wherein the driving motor rotates the rotation shaft by direct rotation or by using a separate driving chain.
3. The method of claim 2,
Wherein the side door driving unit includes a hydraulic cylinder for rotating the side door.
10. The method of claim 9,
A cylinder mounting groove is formed in the vertical frame so that the hydraulic cylinder can be inserted therein,
Wherein the hydraulic cylinder has one end coupled to the vertical frame and the other end coupled to the side door, wherein the side door is opened and closed by operation of the hydraulic cylinder.

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