KR100709482B1 - Cargo box automatic cover device - Google Patents

Abstract

The present invention relates to a loading box automatic cover device for a cargo vehicle automatic cover device, and to an automatic loading box automatic cover device for automatically opening and closing a storage box of a vehicle such as a lorry or a large dump truck, and having a cover device that moves back and forth from the top of the storage box. In the vehicle, a reducer having a drive shaft connected to a motor is installed at one side of the front side of the loading box of the vehicle, and a guide rail portion having a two-layer structure in which chains are installed at both upper end walls of the vehicle is attached to the drive shaft and the guide of the reducer. A plurality of frames are closely contacted with each other in a driving unit unit which is connected to the chain inside the rail unit to be driven and is extended to the upper plate of the loading box of the vehicle, and a guide rail in the collecting space unit is operated by a reduction gear. Move along the rear of the vehicle to Consisting of a bellows frame portion; And a lower frame of the outer frame located at the edge of the rear side of the vehicle, in which the frames of the plurality of bellows frames are closely contacted with each other in the front of the loading box of the vehicle, are connected to the chain by a roller and connected with a chain and a roller. The frame operation part which moves to the rear of the vehicle according to the rotational movement of the chain by the operation of the chain, and the moving groove formed vertically on the top of each of the frame of the bellows frame portion is composed so that a plurality of short frames are rotated between the frame and the frame. Tent guard frame that is connected in a '☆' shape to fold the frame and the frame, and connected to the hinge shaft to be connected to the spring on one side of the outer frame of the bellows frame frame and rotated in one axis in the extension plate of the outer frame The stop pin by the pushing force of the outer frame moving along the guide rail The rear cover frame of the 'b' shape that is hooked and rotated in the rearward direction to cover the rear side, and the wire case mounted on the side of the collecting space of the bellows frame and mounted on the upper side of the loading box have an elastic leaf spring therein. The wire is connected to the outer frame to draw and draw the wire, and the wire is connected to the outer frame, and the guide rail part is composed of a guard wire part which is pulled out along the outer frame to move the tent. To provide a cargo box automatic cover device characterized in that.

Cargo cover, Auto cover, Cargo cover, Van, Dump truck

Description

Loading bay auto cover for trucks

1 is a view showing a folded state of the bellows frame portion of the automatic storage box automatic cover device for cargo vehicles according to the present invention.

Figure 2 is a view showing a drive shaft of the reducer of the loading box automatic cover device for a cargo vehicle according to the present invention.

Figure 3 is a view showing a guide rail portion of the cargo box automatic cover device for cargo according to the invention.

Figure 4 is a view showing the front and the side of the outer frame portion of the loading box automatic cover device for cargo vehicles according to the present invention.

5 is a view showing the operation sequence of the tent guard frame of the bellows frame portion of the automatic storage box automatic cover device for cargo vehicles according to the present invention.

Figure 6 is a view showing a tent guard frame provided on the inside of the outer frame of the loading box automatic cover device for cargo vehicles according to the present invention.

7 is a view showing the operation of the rear cover frame of the loading box automatic cover device for cargo vehicles according to the present invention.

Figure 8 is a view showing an unfolded state of the cover device of the loading box automatic cover device for cargo vehicles according to the present invention.

9 is a view showing a state in which the cover device is unfolded in the vehicle of the loading box automatic cover device for cargo vehicles according to the present invention.

10 is a state of use provided with a tent in a vehicle of the loading box automatic cover device for a cargo vehicle according to the present invention.

Figure 11 is a plan view showing the folding of the side zabarrarei of another embodiment of the loading box automatic cover device for cargo vehicles according to the present invention.

Figure 12 is a plan view showing a rear unfolded state of the side zabara frame of another embodiment of the loading box automatic cover device for a cargo vehicle according to the present invention.

Figure 13 is a partially enlarged view showing a folded state of the side zabara frame of another embodiment of the loading box automatic cover device for cargo vehicles according to the present invention.

14 is a partially enlarged view showing an unfolded state of the side zabara frame of another embodiment of the loading box automatic cover device for a cargo vehicle according to the present invention.

15 is a view showing the operation of the holding member of the side zabara frame of another embodiment of the loading box automatic cover device for a cargo vehicle according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: vehicle 20: loaded

30: tent 110: reducer

112: motor 114: drive shaft

120: guide rail part 122: chain

124: roller 126: rotating part

130: drive unit 140: collecting space portion

150: Java frame part 152: frame

154: outer frame 156: moving groove

160: frame operation unit 170: tent guard frame

172: short frame 180: rear cover frame

182: Extension board 184: hinge shaft

186: cover frame 188: spring

189: stop pin 190: guard wire part

192: wire 200: loading automatic cover device

320: side Java frame 330: fixing member

332: rotating shaft 340: connecting frame

342: rotating groove 350: reinforcing member

The present invention relates to a loading box automatic cover device for a freight vehicle, and more particularly, to automatically cover the loading box of a vehicle such as a lorry or a large dump truck, so that the opening and closing of the vehicle can be easily operated. To prevent damage to the tent when opening and closing the tent, and to install a fully automatic cover frame on the rear of the vehicle relates to the automatic storage box automatic cover device to prevent dirt or sand falling from the loading box during the movement of the vehicle.

Conventionally, the electric cover plate for a truck (usually a dump truck) loading box is a rectangular shape installed on both sides of the loading box to prevent the load falling on the loading box when the truck is driven. The length is similar to the length of the loading box. Its width is about half the size of the upper surface of the loading box, and its configuration is that one end of the cover plate is fixed to the rotating shaft which is directly connected to the rotary motor, and one side of the cover plate is fixed to the stack. When it is rotated to the top to cover the load while binding.

However, most of the cover plates that have been proposed to date are due to the outer frame of the cover plate formed by connecting several horizontal and vertical frames, such as round bars or strip-shaped plates, so that the stacking of the cover plate is not variable. There was a problem that the space between the load and the load could not be generated (the binding of the load is not certain), thereby causing the load to drop frequently when driving the truck through the space.

The present invention was devised to solve the above problems, and the frame structure is driven by installing a chain and a dedicated reducer on both sides of the loading box to be covered by the automatic opening and closing of the loading box of a vehicle such as a large dump truck, and automatically moves along the chain. And the frame structure in the frame structure by installing a frame member to prevent the damage of the tent in the opening and closing of the tent when opening and closing the tent to provide a loading box automatic cover device for a cargo vehicle automatic cover device that forms a structure that can completely cover the rear of the loading box will be.

In order to achieve the above object, a configuration of the present invention includes a reducer having a drive shaft connected to a motor at one side of a front side of a loading box of the vehicle, and a guide rail having a two-layer structure in which a chain is installed at an upper end of both side walls of the vehicle. A plurality of frames are closely attached to each other in a driving unit part installed to be attached to the drive shaft of the reduction gear and the chain inside the guide rail part to be driven, and a gathering space part extending to the upper plate of the loading box of the vehicle. The bellows frame portion consisting of a plurality of frames arranged to move to the rear of the vehicle along the guide rail portion in the collecting space portion by the operation of; And a lower frame of the outer frame located at the edge of the rear side of the vehicle, in which the frames of the plurality of bellows frames are closely contacted with each other in the front of the loading box of the vehicle, are connected to the chain by a roller and connected with a chain and a roller. The frame operation part which moves to the rear of the vehicle according to the rotational movement of the chain by the operation of the chain, and the moving groove formed vertically on the top of each of the frame of the bellows frame portion is composed so that a plurality of short frames are rotated between the frame and the frame. Tent guard frame that is connected in a '☆' shape to fold the frame and the frame, and connected to the hinge shaft to be connected to the spring on one side of the outer frame of the bellows frame frame and rotated in one axis in the extension plate of the outer frame The stop pin by the pushing force of the outer frame moving along the guide rail The rear cover frame of the 'b' shape that is hooked and rotated in the rearward direction to cover the rear side, and the wire case mounted on the side of the collecting space of the bellows frame and mounted on the upper side of the loading box have an elastic leaf spring therein. The wire is connected to the outer frame to draw and draw the wire, and the wire is connected to the outer frame, and the guide rail part is composed of a guard wire part which is pulled out along the outer frame to move the tent. It was achieved by providing an automatic cover for the cargo box characterized in that the vehicle.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily implement the present invention in detail.

1 is a view showing a folded state of the bellows frame portion of the automatic loading box automatic cover device for a cargo vehicle according to the present invention, Figure 2 is a view showing a drive shaft of the reducer of the automatic cover loading device for a cargo vehicle.

As shown, the automatic storage box automatic cover device 200 according to the present invention is connected to the motor 112 on one side of the front of the storage box 20 of the vehicle 10 is provided with a reducer 110 having a drive shaft 114. do.

In addition, the chain 122 connected to the drive shaft 114 is provided with a guide rail portion 120 having a two-layer structure in which the chain 122 is installed at both upper end walls of the vehicle 10. The drive shaft 114 and the guide rail portion 120 of the chain 122 inside the drive unit 130 is connected to operate to be driven.

Such, the drive unit 130 is driven by utilizing a dedicated reducer 110 and the chain 122.

Here, the guide rail portion 120 of the drive unit 130 is formed to extend horizontally in the upper side of the stacking box 20 is configured to extend longer in front of the driver's seat side.

And, Figure 3 is a view showing a guide rail portion of the automatic loading box automatic cover device for a cargo vehicle according to the present invention, Figure 4 is a view showing the front and side surfaces of the outer frame portion of the automatic loading device automatic cover device for a cargo vehicle according to the present invention.

As shown in the figure, the bellows frame portion 150 composed of a plurality of frames 152 in a configuration that the guide rail portion 120 is extended to the driver's seat side is located in a dense form on the upper plate side of the loading box 20 It is located in the gathering space portion 140.

In addition, the guide rail portion 120 is configured to extend to the upper plate in front of the stacking box 20 of the vehicle 10 which is the collecting space portion 140, the bellows frame portion 150 is collected in the collecting space portion 140 The loading box 20 is completely opened.

The bellows frame unit 150 in which the plurality of frames 152 are closely attached to the collecting space unit 140 extending to the upper plate of the loading box 20 of the vehicle 10 is operated by the reducer 110. In the unit 140, the plurality of frames 152 along the guide rail unit 120 move to the rear of the vehicle 10 and are arranged.

Such, the frame 152 of the plurality of bellows frame portion 150 is located in the rear side of the rear side of the vehicle 10 in close proximity to the stacking compartment 20 of the vehicle 10, 140, The lower end of the outer frame 154 is connected to the inside of the guide rail portion 120 is coupled to the chain 122 and the roller 124, the operation of the reducer 110, the vehicle 10 along the rotational movement of the chain 122 Frame operation unit 160 to move to the rear of the) is configured.

At this time, the outer frame 154 of the bellows frame portion 150 formed on both side surfaces of the vehicle 10 is coupled to the chain 122 and the roller 124 in the guide rail portion 120, and a plurality of other frames 152. ) Is connected only to the roller 124 in the interior of the guide rail portion 120 so that the outer frame 154 is connected to the tent guard frame 170 when moving to the rear of the loading box 20 and the frame 152 along the outer frame 154. ) Is to move.

The bellows frame part 150 is connected to the tent 30 and each frame 152 extending the tent 30 is made of the bellows frame 150 is located in the gathering space portion 140 chain The 122 is moved along the guide rail portion 120 to be opened and closed.

That is, the guide rail portion 120 is installed by installing the chain 122 at the upper end of the loading box 20, the guide rail portion 120 has a two-layer structure, the chain 122 is built up and down between the upper and lower layers. The chain 122 moves in each space of the guide rail portion 120 of the two-layer structure.

At this time, the chain 122 moving in the guide rail portion 120 and the outer frame 154 located at the rear of the bellows frame portion 150 are connected to the chain 122 together with the roller 124, and a plurality of other The frames 152 of the guide rails 120 are coupled only to the rollers 124 so that the other frames 152 move as the outer frame 154 moves.

In addition, both side rotating parts 126 of the guide rail part 120 are connected to the chain 122 and rotate in a circular manner, and the rotating part 126 located in the front of the loading box 20 is the drive shaft 114 of the reducer 110. Is connected to rotate the chain 122.

In addition, the other side of the rotating shaft 126 of the rotating shaft 126 connected to the drive shaft 114 of the reducer 110 in the guide rail portion 120 is configured to be connected to the chain length adjusting portion 128, the chain 122 at the rear side It is possible to adjust the length of.

In addition, Figure 5 is a view showing the operation sequence of the tent guard frame of the bellows frame portion of the automatic loading box automatic cover device for a cargo vehicle according to the invention, Figure 6 is provided inside the outer frame of the automatic loading device automatic cover device for a cargo vehicle according to the present invention A tent guard frame is shown.

As shown in the figure, the frame 152 of the bellows frame portion 150 moving in the guide rail portion 120 is located vertically in the stacking box 20, the moving groove 156 in the frame 152 ) Is configured.

Here, the bellows frame portion is fixed to both side walls of the loading box 20 in the basic structure of '┏┓' is to move in the front and rear directions,

Each frame 152 of the Jaraba frame unit 150 has a moving groove 156 is configured between the frame 152 and the frame 152 to be folded in a plurality of short frames 172 to be rotated with each other. do.

When the frame 152 of the bellows frame unit 150 moves backwards, the frame 152 is spaced at a predetermined interval so that a short frame 172 is rotated between each frame 152 and the frame 152 to have a '☆' shape. The tent guard frame 170 is connected to the frame 152 and the frame 152 by folding.

That is, the frames 152 are arranged spaced apart from the bellows frame unit 150, and the short frame 172 is coupled to rotate up and down in a zigzag between the spaced spaces 152 and 152 of the space. The short frame 172, which is zigzag-reinforced again, is coupled to the short frame 172 fastened to the lower end between the frame 152 and the frame 152 so that the short frame 172 is formed between the bellows frame portion 150. ☆ 'It is connected in shape and works folding.

When the bellows frame unit 150 moves to the front gathering space unit 140 in close contact with the bellows frame unit 150, the tent guard frame 170 formed between the frame 152 and the frame 152 may be in contact with each other to form the frame 152. It is folded between the frames 152 and close to each other.

As described above, the bellows frame part 150 includes a tent 30. The bellows frame part 150 is opened and closed together with the tent 30 in the tent 30. In this case, the tent guard frame 170 is formed of a frame ( When the 152 and the frame 152 are folded, the tent 30 is prevented from being inserted into the inside or dragged into another frame 152, and the frame of the tent 30 and the bellows frame portion 150 which are sequentially unfolded are held. give.

In addition, Figure 7 is a view showing the operation of the rear cover frame of the loading box automatic cover device for a cargo vehicle according to the present invention, Figure 8 is a view showing an unfolded state of the cover device of the automatic storage box for a cargo vehicle according to the present invention.

As shown in the figure, an extension plate 182 that forms a right angle is formed at one side of the outer frame 154 of the bellows frame unit 150 and one of the plurality of rear cover frames 180 having a 'b' shape. It is coupled to the hinge shaft 184 to pivot about the shaft.

In this case, the rear cover frame 180 and the outer frame 154 is connected by a spring 188, the plurality of cover frames 186 located in the middle of the outer frame 154 is fixed to the hinge shaft 184 to the tent Connect with (30).

As such, the rear cover frame 180 is rotated by the stop pin 189 due to the pushing force when the outer frame 154 moves backward, and thus the cover frame 186 connected to the tent 30 is also hinged. 184 is rotated to cover the back.

That is, the outer frame 154 and the rear cover frame 180 located at the outermost side are connected by a spring 188 and the hinge shaft of the extension plate 182 by the pushing force of the outer frame 154 moving to the rear side. A plurality of cover frame 186 and the rear cover frame 180 in the shaft is rotated sequentially to completely cover the stacking box 20, when the stacking box 20 is opened, the outer frame 154 along the guide rail portion 120 The rear cover frame 180 connected to the outer frame 154 is moved away from the stop pin 189 by the elastic force of the spring 188 when moving to the gathering space portion 140 is rotated sequentially and the outer frame with the tent The rear cover frame 180 moves in close contact with the side 154.

And, Figure 9 is a view showing a state in which the cover device is unfolded in the vehicle of the loading box automatic cover device for a cargo vehicle according to the invention, Figure 10 is a state of use provided with a tent in the vehicle of the cargo box automatic cover device according to the invention to be.

As shown in the figure, to prevent damage to the tent 30 in the bellows frame portion 150 moving along the guide rails 120 to form a tent guard frame 170 on both sides and the guard on the upper side The wire 190 is formed to cover the curl of the tent 30.

Here, the guard wire part 190 is attached to both sides of the upper portion of the bellows frame 150 to cover the curl of the tent 30 when pulling out together with the tent 30 to prevent damage to the tent.

That is, the guard wire portion 190 is located on the side of the collecting space portion 140 side of the bellows frame 150 to be mounted on the upper side of the stacking box 20 using a leaf spring having an elastic force therein to connect the wire 192. It is composed of the structure of withdrawal and withdrawal.

In addition, the wire 192 is connected to the outer frame 154 so that when the chain 122 of the guide rail portion 120 is moved is composed of a guard wire portion 190 is drawn along the outer frame 154 tent ( 30) is covered with the stacker cover device 200 is automatically opened and closed.

In addition, the wire 192 of the guard wire portion 190 is composed of a leaf spring loaded with a fixed connection on one side of the outer frame 154 (20) when the wire 192 is moved to the rear and the outer frame ( 154 is moved along, and the outer frame 154 is drawn back to the guard wire portion 190 with elastic restoring force when moving to the collecting space portion 140.

Hereinafter, the effect of the present invention configured as described above will be described in detail. First, the operation of the automatic storage box automatic cover device 200 mounted on the vehicle loading box 20 can be operated by placing an operation button in the driver's seat, and the reducer 110 provided with the motor 112 is operated by the driver's operation. The drive shaft 114 is rotated by the chain and the chain 122 inside the guide rail portion 120 connected to the drive shaft 114 is driven. As a result, the chain 122 rotates by the rotation of the drive shaft 114 and the guide rail portion. The chain 122 rotates as a whole by the rotation of the rotating unit 126 on both sides.

In addition, the outer frame 154 of the bellows frame portion 150 by the rotation of the chain 122 when the Jaraba frame portion 150 is in close contact with the front collecting space portion 140 of the loading box 20 toward the rear. The plurality of frames 152 which are moved and connected to the outer frame 154 and the tent guard frame 170 are unfolded in a smooth manner and moved to the rear side. At this time, when the bellows frame unit 150 moves, the tent 30 is also extended and moved.

In addition, the Jaraba frame unit 150 is moved to the rear, the rear cover frame 180 connected to the outer frame 154 is caught by the stop pin 189 around the hinge axis 184 of the outer frame 154. The cover frame 186 is also pivoted about the hinge shaft 184 by the tent 30 connected to the rear cover frame 180 which is rotated and rotated at the same time as the spring 188 extends, so that the rear of the loading box 20 is tented. 30 is completely covered.

The chain 122 of the guide rail portion 120 is rotated in the opposite direction by the open operation of the fully loaded storage box 20 and the Jaraba frame part 150 is moved toward the front side of the loading box 20 by the forward rotation. At the same time, the rear cover frame 180 is separated from the stop pin 189 and the elasticity of the spring 188 connected to the outer frame 154 together with the rear cover frame 180 is a tent (like the cover frame 186). Fold 30 and close to the outer frame 154.

In addition, the bellows frame portion 150 is moved to the front while the frame 152 is folded with the tent 30 in close contact. In this case, when the tent 30 is folded, the tent guard frame 170 and the wire 192 of the guard wire part 190 prevent the damage of the tent 30 when the tent 30 is folded and unfolded and the frame 152. ) Allows for sequential movement.

The bellows frame 150 is completely open after folding the tent 30 to the collecting space portion 140 of the loading box 20 after the bellows frame 150 is completely moved.

The automatic loading box automatic cover device 200 of the present invention is easy to operate and is automatically opened and closed by the fully open type of the loading box 20, and the cover operation is also a structure that completely covers the loading box 20.

In addition, Figure 11 is a plan view showing the folding of the side zabararay of another embodiment of the loading box automatic cover device for a cargo vehicle according to the present invention, Figure 12 is a plan view showing a state that is extended to the rear side of the sidebara frame.

In addition, Figure 13 is a partially enlarged view showing a folded state of the side jabara frame of another embodiment of the automatic loading box automatic cover device for a cargo vehicle according to the present invention, Figure 14 is a partially enlarged view showing an extended state of the side jabar frame, Figure 15 Is a state diagram of the holding member of the side jabar frame.

As shown in the figure, another embodiment of the automatic loading box automatic cover device 200 of the present invention is located at the bottom of the frame 152 of the Jaraba frame portion 150 moving forward and backward along the guide rail portion 120 The tent 30 is coupled to the side zabara frame 320 that is zigzag to the left and right sides of the loading box 20 is coupled to open and close the top of the loading box 20.

Here, the side jar bar frame 320 is coupled to the lower end of the frame 152 perpendicular to the stacking box 20, the fixing member 330 made of a rotating shaft 332 on both sides, and the fixing member The connecting frame 340 which is coupled to the rotating shaft 332 of the 330 to rotate in the left and right directions, and constitutes the rotating groove 342 on both sides, and the rotating groove 342 of the connecting frame 340 and the connecting frame 340. ) Is composed of a reinforcing member 350 that is coupled around the rotation shaft 332 and rotates in the left and right direction and prevents bending inward.

In addition, the rotation groove 342 of the side jar bar frame 320 is coupled to the vertical axis around the rotation shaft (332).

Jarava frame portion 150 constituting the side zabara frame 320 is to open and close the tent 30 in the front and rear direction of the loading box (20).

When the side jar bar frame 320 is folded and gathered at the collecting space portion 140 of the loading box 20, the sides of the loading box 20 are formed as zigzag of '<', '>' to both sides of the loading box, and move to the rear of the loading box 20. The connecting frame 340 of the side jabara frame 320 is to be straightened.

At this time, when the connecting frame 340 is extended while moving to the rear of the loading box 20, the reinforcing member 350 for supporting the pivoting groove 342 of the connecting frame 340 connected to the rotating shaft 332 so as not to be bent any more. ) Is attached.

At this time, the connecting frame 340 of the side Java frame 320, which constitutes a plurality of rotating shafts 332 by the support of the reinforcing member 350 is rotated to maintain a straight state.

The side jabara frame 320 is composed of both the drive unit 130, the frame operation unit 160 and the rear cover frame 180, the guide wire portion 190, the top of the stacking box 20 tent ( 30) to open and close.

In the above, the present invention has been described as an example with reference to the accompanying drawings, but the present invention is not limited to this, various modifications or changes can be made without departing from the technical gist of the present invention, Accordingly, the technical scope of the present invention should be interpreted by the claims.

As described above, the loading box automatic cover device for the cargo vehicle of the present invention does not fall off from the loading box with stones, soil, sand, etc. while the loading box is fully covered, so that the danger is eliminated, and the tent covering the loading box is completely open and fully sealed. It is a very useful invention because the opening and closing operation for the work box is made quickly and easily, thereby improving the efficiency of the work and having a convenient and stable effect.

Claims (10)

In a freight vehicle having a cover device that moves back and forth from an upper end of a cargo box, A reducer having a drive shaft connected to a motor is installed at one side of the front side of the loading box of the vehicle, and a guide rail portion having a two-layer structure in which chains are installed at both upper end walls of the vehicle is installed, and the drive shaft and the guide rail portion of the reducer are installed. A driving unit connected to the chain to be driven to operate; The bellows frame is composed of a plurality of frames are arranged in close contact with the plurality of frames located in the collecting space portion extending to the top of the loading box of the vehicle, and moved to the rear of the vehicle along the guide rail in the collecting space by the operation of the reducer. part; And The lower frame of the outer frame located at the edge of the rear side of the vehicle in close contact with the frame of the plurality of bellows frame portion in the front collecting space portion of the vehicle is connected to the inside of the guide rail portion is coupled to the chain and roller to reduce the A frame operating portion for moving to the rear of the vehicle along the rotational movement of the chain by the operation; Tent guard frame which is formed vertically on the top of each of the frame of the bellows frame part is connected to the frame 'frame' so that a plurality of short frames are rotated to each other between the frame and the frame folding the frame and frame ; It is connected to the spring on one side of the outer frame of the bellows frame part and coupled to the hinge shaft to be rotated by one axis in the outer plate arbitrary extension plate, and caught by the stop pin by the pushing force of the outer frame moving along the guide rail part A plurality of rear cover frames of a 'b' shape which rotate in a direction to cover the rear; The wire case is located on the side of the collecting space of the bellows frame and is mounted on the upper side of the loading box, and the wire case is connected to the outer frame using the leaf spring having elastic force therein to guide the wire. When the chain is moved is made of a guard wire portion is drawn out along the outer frame, the tent is covered with a loading box cover device, characterized in that the automatic loading device for a cargo vehicle loading cover characterized in that the automatic opening and closing. According to claim 1, wherein the guide rail portion is configured to extend to the upper plate in front of the loading box of the vehicle as the collecting space portion, the bellows frame portion in the collecting space is characterized in that it comprises a loading box is completely opened. Automatic cover device. According to claim 1, wherein the outer frame of the bellows frame portion formed on both sides of the vehicle is coupled to the chain and the roller in the guide rail portion, and many other frames are connected only to the roller in the guide rail portion inside the outer frame is loaded When the cover is connected to the tent guard frame, the cargo box automatic cover device for a cargo vehicle, characterized in that comprises a frame moving along the outer frame. The frame of claim 1, wherein the frames are arranged spaced apart from each other in the bellows frame unit, and a single frame is pivotally coupled up and down zigzag between a frame and a frame in a spaced space, and a short frame fastened between the frames and the bottom of the frame. A short frame that is reinforced with a zigzag reinforcement is coupled to the loading box automatic cover device for a cargo vehicle, characterized in that the short frame is connected to the '☆' shape between the bellows frame portion comprises a folding operation. According to claim 1, The outer frame and the outermost rear cover frame is connected by a spring and the plurality of cover frames and the rear cover frame in the hinge axis axis of the extension plate by the pushing force of the outer frame moving to the rear side sequentially When the storage box is opened, the storage box is completely covered, and when the storage box is opened, the outer frame along the guide rail portion moves to the collecting space, and the rear cover frame connected to the outer frame is separated from the stop pin by the elastic force of the spring and rotated sequentially to the outside together with the tent. A loading box automatic cover device for a freight vehicle, characterized in that it comprises a rear cover frame moving in close contact with the frame side. The wire of claim 1, wherein the wire of the guard wire portion is composed of a leaf spring and the wire is fixed to one side of the outer frame to move backward when the wire is pulled out and moves along the outer frame, and the outer frame moves to the collecting space. A loading box automatic cover device for a cargo vehicle, characterized in that comprising a re-introduction into the wire case with elastic restoring force. The apparatus of claim 6, wherein the guard wire part is attached to both sides of the upper side of the bellows frame part to cover the curling of the tent when being pulled out together with the tent to prevent damage to the tent. According to claim 1, wherein the tent is coupled to the bottom of the frame of the Zaraba frame portion moving forward and rearward along the guide rail portion, the tent is coupled to the side jabara frame zigzag to the left and right sides of the storage box, characterized in that it comprises opening and closing the storage box. Automatic cover box for cargo vehicles. According to claim 8, The side Jara bar frame is fixed to the hinge member formed on both sides coupled to the lower portion of the frame perpendicular to the stacking box, A connecting frame coupled to a hinge shaft of the fixing member and configured to have hinge grooves at both sides thereof to be rotated in a left and right direction, and And a hinge groove of the connecting frame and the connecting frame is configured to include a reinforcing member which is coupled around the hinge axis and rotates in the left and right direction and prevents the inner side from being bent. 10. The method of claim 9, wherein the side jar bar frame is folded and gathered in the collecting space of the stacking box is formed in a zigzag structure of '<', '>' to both sides of the stacking box, a plurality of times when moving to the rear of the stacking box The connecting frame of the side jabara frame constituting the coaxial frame is an automatic cover for a cargo vehicle loading box, characterized in that it comprises a structure that is rotated in a straight line.

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