KR20230039956A - Apparatus For Covering Cargo Of Vehicle - Google Patents

Abstract

The present invention relates to an apparatus for covering a cargo box of a loaded vehicle, wherein a plurality of unit covers are opened and closed in a telescopic method. To this end, the present invention is installed at the cargo box of a loaded vehicle, and comprises: a rail which is installed in the longitudinal direction of both side plates of the cargo box on the both side plates thereof; a plurality of unit covers which are slidably rolled along the rail while covering the upper opening unit of the cargo box, and are connected to be overlapped with each other or unfolded in a telescopic manner; and a cover operating device which allows the unit covers to be folded or unfolded. The cover operating device may comprise: a rack which is fixedly installed at both side plates of the cargo box to be in parallel with the rail; a driving motor which is installed at the rearmost cover which is installed at the rearmost side of the vehicle among the unit covers; a sprocket which is geared with the rack and is rotated by the driving motor; and a power delivering means which delivers rotating power of the driving motor to the sprocket. The power delivering means is characterized by comprising: a decelerator connected to the driving motor; an upper rotary shaft connected to the left and right sides of the decelerator; a vertical rotating shaft which is respectively extended to the upper rotating shaft; and a universal joint which is connected between the upper rotary shaft and the vertical rotary shaft, and may be freely stretched in the longitudinal direction and change the direction of delivering the rotating power. Therefore, durability may be improved.

Description

Loading box cover device of cargo vehicle {Apparatus For Covering Cargo Of Vehicle}

The present invention relates to a loading box cover device for a cargo vehicle, and more specifically, to a loading box cover device for a cargo vehicle that is functionally improved, safe in use, and has improved aesthetics as a configuration in which a plurality of unit covers are opened and closed in a telescopic manner. it's about

The freight vehicle has a loading box for loading cargo. The loading box usually has an open top, but there is also a container type that is sealed on all sides, and there is also a wing body, which has a structure in which both side plates open and close like wings.

The present invention is mainly applied to an open top loading box, but is not necessarily limited thereto. In addition, there are many types of cargo, and the scope of the present invention is not limited depending on which cargo it is for.

Cargo vehicles to which the present invention is applied include dump trucks for transporting construction materials such as sand and soil.

In the prior art, several truck cover devices have been proposed.

Republic of Korea Utility Model Registration Application No. 20-1996-040353 provides a packaging film opening and closing device for a dump truck cargo box to solve the problems that the conventional dump truck packaging gave users various inconveniences. That is, a blower is placed in front of the loading box to discharge and suck air, and a packaging film capable of being withdrawn and recovered is provided at the front end of the blower, guide rails formed on both sides of the loading box, and attached to the lower end of the guide rail to interlock vertically. Consisting of a cylinder with an operating rod, it is intended to reduce unnecessary waste of manpower, prevent safety accidents that may occur during opening and closing of the pavement film, and provide a more pleasant working environment by shortening the work interval accordingly.

In addition, Republic of Korea Utility Model Registration Application No. 20-1997-014768 attaches and installs an outer cylinder having a guide groove on one side at the upper end of both side walls of the truck loading box, and one end of the outer cylinder is connected to a drive motor and a spiral part is formed on the other side. An operating rod is installed inside, and a plurality of actuators integrally formed with an attachment piece on one side are inserted and installed on the outer circumference of the actuation rod so that the attachment piece is exposed to the outside of the outer cylinder, but the outermost actuator is fastened to the spiral part. We propose an automatic loading box opening and closing device of a dump truck in which the ends of the cover frame having a substantially U shape are attached and fixed to the attachment piece of the actuator, while the actuators are connected to each other as a link.

In addition, Korean Patent Application No. 10-2008-0118261 divides the packing cover covering the loading box of a truck into an upper packing part, both side packing parts, and a rear packing part, and inserts a support having elastic force into the outer side of each part, and the truck A transfer rail is installed at the bottom of both sides of the loading box, and a "┏┓"-shaped transfer ladder is installed that is guided and transported by the transfer rail, and one end of the packaging cover is connected to the top of the transfer ladder to load the load into the load box. When it is loaded, the transfer ladder is transferred to the end of the loading box through the transfer rail, and the packaging cover is automatically unfolded. It proposes an automatic packaging cover for trucks, which is characterized in that it is fixed to a fixed part.

The present invention is for functional improvement of various conventional truck cover devices.

Republic of Korea Utility Model Registration No. 20-1996-040353 Republic of Korea Utility Model Registration No. 20-1997-014768 Republic of Korea Patent Application No. 10-2008-0118261

An object of the present invention is to provide a loading box cover device for a cargo vehicle having a configuration that is safer in use, improves aesthetics, and improves durability.

More specifically, it is possible to prevent rainwater from entering the loading box, induce to prevent overloading, prevent the load from falling by more completely sealing the upper opening of the loading box, and reduce the possibility of failure. It is an object of the present invention to provide a loading box cover device for a cargo vehicle so that there is no difficulty in maintenance by reducing

The above purpose is to be installed in the loading box of a cargo vehicle,

Rails installed along the longitudinal direction of the side plates on both side plates of the loading box; A plurality of unit covers connected to each other in a telescopic manner so as to overlap or unfold each other as a rolling motion in a sliding manner along the rail in a state in which the upper opening of the loading box is covered; Includes a cover driving device for folding or unfolding the unit cover;

The cover driving device,

Racks fixedly installed on both side plates of the loading box in parallel with the rails;

A drive motor installed on the rearmost cover of the unit cover installed at the rear of the vehicle;

a sprocket rotated by the driving motor and engaged with the rack;

It includes; power transmission means for transmitting the rotational force of the drive motor to the sprocket;

The power transmission means,

A reduction gear connected to the drive motor, an upper rotation shaft connected to the left and right of the reduction gear, a vertical rotation shaft extending to each of the upper rotation shafts, and a connection between the upper rotation shaft and the vertical rotation shaft. It is achieved by the load box cover device of a cargo vehicle, characterized in that it includes; a universal joint that is free to change.

According to another feature of the present invention, a sealing means for covering the gap between the unit covers is further included;

The sealing means may include a wiper installed at the rear of the unit cover excluding the rear end cover to support the upper surface of the adjacent unit cover.

"의 형태로 절곡하여 형성되는 사이드프레임을 가지며;According to another feature of the present invention, the unit cover is a "square pipe" to maintain strength.

"Has a side frame formed by bending in the form of;

" 형태로 절단한 다음 절곡함으로써 한쌍의 세로바와 상기 세로바를 연결하는 상부바로 구성되며;The side frame is a square pipe "

It is composed of a pair of vertical bars and an upper bar connecting the vertical bars by cutting into a shape and then bending;

The upper bar may be supported so as not to droop downward by an upper trouser support bracket fixed to the vertical bar.

According to another feature of the present invention,

It further includes a rear cover plate installed on the rear end cover for covering the rear opening;

The upper end of the rear cover plate is fixed to the rear end cover,

A plurality of fixing pins in the form of bolts protrude from the side frame of the rear end cover, and U-shaped fitting grooves into which the fixing pins can be inserted may be provided on the left and right sides of the rear cover plate.

According to the above configuration, since it is configured to be folded or unfolded in a telescopic manner, a loading box cover device of a cargo vehicle is provided that can improve aesthetics because the folded open state and the unfolded covered state are visually neat. According to this, there is provided a loading box cover device for a cargo vehicle that prevents falling objects from occurring during driving because there is no gap and has a simple configuration and a low failure rate. Other effects of the present invention will be specified through the following description.

1 is a perspective view of a cargo vehicle to which an apparatus for covering a loading box of a cargo vehicle according to an embodiment of the present invention is applied.
2 is a side view of a cargo vehicle to which a loading box cover device of a cargo vehicle according to an embodiment of the present invention is applied.
3 is a partial side cross-sectional view of a cargo vehicle in a state in which the loading box cover device of the cargo vehicle according to an embodiment of the present invention is opened.
4 is a block diagram of a driving device of a loading box cover device of a cargo vehicle according to an embodiment of the present invention.
5 is a configuration diagram of a rear cover plate of a loading box cover device of a cargo vehicle according to an embodiment of the present invention.
6 is a perspective view of a loading box cover device of a truck according to another embodiment of the present invention in a folded state.
7 is a partial configuration diagram of a loading box cover device for a cargo vehicle according to an embodiment of the present invention.
8 is a partial rear configuration diagram of a loading box cover device for a cargo vehicle according to an embodiment of the present invention.
9 is a perspective view of an upper barge support bracket of a loading box cover device of a cargo vehicle according to an embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. 1 to 3 are basically referred to, but the remaining drawings will be described in a manner in which they are cited where necessary.

The loading box cover device of a cargo vehicle according to the present invention is additionally installed in the existing loading box 101 of the cargo vehicle 100. The loading box 101 has an open top, and is generally composed of both side plates 103 and a back plate 105. The cargo vehicle 100 may be of any type.

The loading box cover device of a cargo vehicle according to the present invention includes a rail 1, a cover 3, and a cover driving device.

The rail 1 is installed on both side plates 103 of the loading box, and is installed along the longitudinal direction of the both side plates 103. The lid 3 is installed to maneuver along this rail.

The cover 3 slides and rolls along the rail 1 in a state of covering the upper opening of the loading box 101, and is telescopically connected to each other so that it can be overlapped or unfolded as shown in FIG. It consists of a plurality of unit covers (3a, 3b, 3c, ... 3i, 3j. Hereinafter referred to as '3a, etc.'). Since the number of unit covers (3a, etc.) can be changed as needed, the scope of the present invention is not limited by the number. However, since the unit cover is composed of 10 as shown, hereinafter, it will be described based on this. The unit cover (3a, etc.) includes a rearmost cover (3a) located at the rear end of the cargo vehicle 100 and a frontmost cover (3j) fixedly installed at the forefront of the cargo vehicle 100. The unit cover (3a or the like) is composed of a roof plate 5 and a side wall plate 7, respectively. The roof plate 5 and the side wall plate 7 may be integrated or may be separately manufactured and then assembled. A rear cover plate 8 for covering the rear opening is installed on the rear end cover 3a.

The unit cover (3a, etc.) may be a metal plate material, but may be made of synthetic resin or FRP.

"의 형태로 되어 있는 것일 수 있다. 이에 의하면 위에 떨어진 빗물이 양측방향으로 흘러 떨어지게 된다. According to an embodiment of the present invention, the unit cover (3a, etc.) rises upward in the middle of the roof plate 5, so that when viewed from the front, "

It may be in the form of ". According to this, the rainwater falling on it flows in both directions.

The cover driving device is a device for folding or unfolding a plurality of unit covers (3a, etc.). Since the cover driving device must be connected to the rail 1, the rail 1 will be described first. As shown in FIG. 4 , the rail 1 may be a C-shaped channel fixedly installed on the top of the side plates 103 of the loading box. The rail 1 is a member whose cross section is constant along the longitudinal direction, and is installed symmetrically. Therefore, a reference numeral is given as a representative of any one place and explained. The rail 1 is fixed to the side plates 103 of the loading box 101. The roller 9 fixed to the cover 3 is seated on the rail 1 and rolls.

Hereinafter, the cover driving device will be described with reference mainly to FIG. 4 .

The cover driving device includes a driving motor 11 that can be driven by a battery of a vehicle and a power transmission means for transmitting rotational force of the driving motor 31 to the rail 1. The drive motor 11 is fixedly installed at the top center of the rear end cover 3a.

The rotational force of the driving motor 11 is simultaneously transmitted to the left and right directions of the rearmost cover 3a via the reducer 13. Upper rotation shafts 15 are connected to the left and right sides of the reducer 13, and vertical rotation shafts 17 are connected to both ends of the upper rotation shaft 15, respectively. The reducer 13, the upper rotation shaft 15, and the vertical rotation shaft 17 are connected by universal joints 19a and 19, respectively, which are flexible in the longitudinal direction and change in transmission direction of the rotation shaft.

Meanwhile, the rack 21 is fixedly installed on the side plates 103 of the loading box so as to be parallel to the rail 1.

At the lower end of the vertical rotation shaft 17, a sprocket 23 meshing with the rack 21 is installed. Therefore, when the drive motor 11 starts, its rotational force is transmitted to this sprocket 23, and thus the rearmost cover 3a starts along the rail 1.

The rack 21 may be in the form of a plate material and is fixedly installed on both side plates 103 of the loading box. An auxiliary wheel 25 may be coupled to the rack 21 to prevent the separation of the rear end cover 3a and assist driving. Depending on the rotational direction of the driving motor 11, the rearmost cover 3a may be moved in the forward and backward directions of the loading box. The rearmost cover 3a pulls the remaining unit covers 3a and the like. There may be several ways in which the rearmost cover 3a pulls. For example, a wire (not shown) may be used to unfold the cover 3 by pulling, and a stopper may be used to fold the cover 3 in the opposite direction.

For reference, the connection structure between the unit covers (3a, etc.) will be referred to Patent Registration No. 10-2232347, which has been registered and filed for a patent.

According to the embodiment of the present invention, a sealing means for covering the gap between the unit covers (3a, etc.) is further installed. As shown in FIG. 2, the sealing means is a wiper 27 installed at the rear of the unit covers 3b to 3j excluding the last cover 3a of the unit covers 3a, etc., and the wiper unit covers 3a, etc. It may include a wiper fixing bar 29 for fixing to. The wiper 27 is a soft material such as rubber, urethane, or silicon and is installed so as to lightly touch the upper surface of the adjacent unit cover 3a or the like. The tip of the wiper 27 is thin enough to bend well. The wiper 27 scratches the upper surface of the adjacent unit cover (3a, etc.) to remove foreign substances such as leaves, etc. to prevent foreign matter from being caught, so that the unit cover (3a, etc.) is smoothly folded or unfolded.

Meanwhile, as shown in FIGS. 6 and 7 , stoppers 31 are fixedly installed at the left and right lower ends of the unit cover 3a or the like. The stopper 31 allows the last cover 3a to push another unit cover when the cover 3 is folded.

A wire ring 31c may be installed in the stopper 31, and a wire for traction may be inserted into the wire ring 31c as described above. Each unit cover (3a) is connected by a wire so that the cover (3) can be configured so that the cover (3) is unfolded while leading the other unit covers (3b to 3j) with the last cover (3a).

The stopper 31 includes an L-shaped stopper bracket 33 fixed to the lower end of the side wall plate 7 of the unit cover 3a, etc., and a stopper pin protruding vertically from the bottom plate of the stopper bracket 33 (35). The stopper pin 35 serves as a guide to limit the opening or flow of each other by constraining the unit covers (3a, etc.) by allowing the side frame 37 to be inserted during the folding process of the unit covers (3a, etc.).

As another embodiment, the stopper 31 includes a cover fixing bracket 31a. A pinhole 31b is provided in the cover fixing bracket 31a, and as shown in FIG. 7, a locking pin 32 for fixing the unit covers 3a and the like in a folded state is inserted into the pinhole 31b. can do.

On the other hand, the cover 3 receives various types of forces during vehicle operation together with the loading box. Therefore, when the members forming the frame of the cover 3 are semi-permanently assembled using welding, bolts, rivets, etc., a large load is applied to the connecting portion. When a load is applied for a long period of time, problems such as damage or increased noise eventually occur.

Therefore, the present invention provides a coupling structure of members that allow the cover 3 to which various static and dynamic loads are applied flexibly to the loads. Hereinafter, this coupling structure will be described with reference to each drawing.

"의 형태로 절곡되어 있는 사이드프레임(37)을 가진다. 최후미덮개(3a)에는 전후 양측에 사이드프레임(37')이 설치되고 나머지 단위덮개(3b ~3j)에는 일측에만 사이드프레임(37)이 설치된다. The unit cover (3a, etc.) is as shown in FIG. 6 to maintain strength.

It has a side frame 37 that is bent in the form of ". Side frames 37 'are installed on both sides of the front and back of the rear end cover 3a, and the side frame 37 is provided on only one side of the remaining unit covers 3b to 3j. is installed

" 형태로 절단한 다음 절곡함으로써 형성된다. 즉 절곡부위(P)가 어느 정도 회전 유동될 수 있는 구조로 되어 있다. 사이드프레임(37)은 좌우 한쌍의 세로바(41)와 세로바(41)를 연결하는 상부바(43)로 구성되며 단위덮개(3a 등)의 판체에 부분적인 용접으로 고정된다. 본 실시예에 의하면 단위덮개의 측벽판(7)이 세로바(41)에 볼트나 용접으로 고정되고, 지붕판(5)은 상부바(43)에 볼트나 용접으로 고정된다. 세로바(41)와 상부바(43)가 유동 가능하므로 측벽판(7)과 지붕판(5)도 접철되는 방향으로 유동이 허용된다. 다만, 유동을 제한하기 위하여 상부바지지브래킷(39)이 설치된다. The side frame 37 is a bent portion (P, see FIG. 8) of the square pipe "

It is formed by cutting into a shape and then bending it. In other words, it has a structure in which the bent portion P can rotate and flow to some extent. The side frame 37 includes a pair of left and right vertical bars 41 and vertical bars 41 It consists of an upper bar 43 that connects and is fixed by partial welding to the plate body of the unit cover (3a, etc.) According to this embodiment, the side wall plate 7 of the unit cover is bolted or welded to the vertical bar 41 , and the roof plate 5 is fixed by bolts or welding to the upper bar 43. Since the vertical bar 41 and the upper bar 43 are flexible, the side wall plate 7 and the roof plate 5 are also movable. Flow is allowed in the folding direction, but an upper pants support bracket 39 is installed to limit the flow.

As shown in FIG. 6, upper trouser support brackets 39 (see FIG. 9) are installed at the left and right bent portions P of the side frame 37. The upper pants support bracket 39 is fixed to the vertical bar 41 by welding or the like and has a structure for supporting the upper bar 43 from below. The upper pants support bracket 39 has a plate or pin-shaped fitting protrusion 45 protruding upward. The fitting protrusion 45 is inserted into the fitting hole 43a provided in the upper bar 43. Therefore, the flow of the upper bar 43 and the roof plate 5 in the direction of the arrow J in FIG. 7 is allowed. However, the downward sagging is prevented by the supporting plate 46 .

According to this, since the upper bar 43 is not fixed and is seated on the base plate 46, the upper bar 43 can move even when the vehicle is shaken and the upper bar 43 is moved, so that the vertical bar 41 and the upper bar A large load does not act on the connection part of (43).

Hereinafter, the flow structure of the rear cover plate 8 installed on the rearmost cover 3a will be described with reference to FIG. 5 .

The rear cover plate 8 is for covering the rear opening and is installed on the rear end cover 3a. The rear cover 8 is installed so as to act independently of a certain portion of the rearmost cover 3a. The upper end of the rear cover plate 8 is fixed to the upper bar 43 of the side frame 37' of the rearmost cover 3a by bolts or welding.

A plurality of fixing pins 47 in the form of bolts are protruded from the vertical bar 41' of the side frame 37' of the rearmost cover 3a, and the fixing pins 47 can be inserted into the unit (U). )-shaped straddling grooves 49 are provided on the left and right sides of the rear cover plate 8. As a result, even when the cover is twisted from side to side during vehicle operation, a flow structure that allows some flow but is not separated is provided.

On the other hand, a frame 53 is installed on the inner surface of the rear cover plate 8, and this frame 53 is a supporter provided on the vertical bar 41' of the side frame 37' of the rearmost cover 3a ( 51) is placed on it.

The configuration shown and described above is only a preferred embodiment based on the technical idea of the present invention. Those skilled in the art will be able to make various changes based on common technical knowledge, but it should be noted that these may be included in the protection scope of the present invention. The embodiments disclosed above may be implemented in various combinations, and any combination is within the scope of the present invention.

1: rail 3: cover
3a, 3b, 3c ... 3i, 3j: unit cover
5: roof plate 7: side wall plate
8: rear cover plate 9: roller
11: drive motor 13: reducer
15: upper axis of rotation 17: vertical axis of rotation
19a, 19b: universal joint 21: rack
23: sprocket 25: auxiliary wheel
27: wiper 29: wiper fixing bar
31: stopper
33: stopper bracket 35: stopper pin
37: side frame 39: upper pants support bracket
41: vertical bar 43: upper bar
45: fitting stone 46: support plate
47: fixing pin 49: hanging groove
51: supporter 53: frame
100: cargo vehicle 101: loading box
103: both side plates 105: back plate

Claims (5)

As installed in the loading box of a cargo vehicle,
Rails installed along the longitudinal direction of the side plates on both side plates of the loading box; A plurality of unit covers connected to each other in a telescopic manner so as to overlap or unfold each other as a rolling motion in a sliding manner along the rail in a state in which the upper opening of the loading box is covered; Includes a cover driving device for folding or unfolding the unit cover;
The cover driving device,
Racks fixedly installed on both side plates of the loading box in parallel with the rails;
A drive motor installed on the rearmost cover of the unit cover installed at the rear of the vehicle;
a sprocket rotated by the driving motor and engaged with the rack;
It includes; power transmission means for transmitting the rotational force of the drive motor to the sprocket;
The power transmission means,
A reduction gear connected to the drive motor, an upper rotation shaft connected to the left and right of the reduction gear, a vertical rotation shaft extending to each of the upper rotation shafts, and a connection between the upper rotation shaft and the vertical rotation shaft. A loading box cover device for a cargo vehicle, characterized in that it includes; a universal joint that is free to change.
According to claim 1,
A sealing means for covering the gap between the unit covers is further included;
The sealing means includes a wiper (27) installed at the rear of the unit cover excluding the rear end cover to support the upper surface of the adjacent unit cover.
According to claim 1,
The unit cover (3a, etc.) is a square pipe "to maintain strength"

"Has a side frame formed by bending in the form of;
The side frame is a square pipe "

It is composed of a pair of vertical bars and an upper bar connecting the vertical bars by cutting into a shape and then bending;
The loading box cover device of a cargo vehicle, characterized in that the upper bar is supported so as not to droop downward by the upper bar support bracket fixed to the vertical bar.
According to claim 1,
The upper trouser support bracket has a fitting protrusion protruding upward;
The loading box cover device of a cargo vehicle, characterized in that the fitting protrusion is fitted into a fitting hole provided in the upper bar.
According to claim 1,
It further includes a rear cover plate installed on the rear end cover for covering the rear opening;
The upper end of the rear cover plate is fixed to the rear end cover,
A plurality of bolt-shaped fixing pins are protruded from the side frame of the rear end cover, and U-shaped fitting grooves into which the fixing pins can be inserted are provided on the left and right sides of the rear cover plate. Loading box cover device for cargo vehicles.

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