CN117446362A - Container upturning door structure and container - Google Patents

Abstract

The application discloses a container upturning door structure and container, the upturning door structure includes upturning door and end lock. The roll-up door includes a door panel, the top end of which is pivotally connected to the body of the container. The bottom lock is used for locking or unlocking the door plate and comprises a lock hook assembly, a lock rod assembly and a handle assembly. The lock hook assembly comprises a lock hook and a lock hook baffle, the lock hook baffle is fixedly connected to the lower end of the door plate, the lock hook and the lock hook baffle are matched to lock or unlock the door plate, the lock rod assembly comprises a lock rod, the lock rod is detachably connected to the inner side of the doorsill and can rotate around the axis of the lock rod, the lock rod is in transmission connection with one end of the lock hook through a connecting piece, the connecting piece penetrates through the lock rod and the lock hook to enable the lock hook to rotate along with the lock rod, the handle assembly comprises a handle, and the handle is detachably in transmission connection with the lock rod and is used for actuating the lock rod to rotate. According to the upturning door structure, the locking rod, the locking hook, the handle and other components of the bottom lock are detachably connected, the installation and the detachment are convenient, the lock can be independently replaced, and the abrasion of the locking hook is less.

Description

Container upturning door structure and container

Technical Field

The application relates to the technical field of container design, in particular to a container upturning door structure and a container.

Background

Containers have been widely used as cargo tools. In order to facilitate unloading, the end face of the container can adopt an upturned door structure, and meanwhile, a door bottom lock device is arranged at the bottom of the container body and used for locking the door plate in the container transportation process. The bottom locking device of the upturned door container generally comprises a lock rod, a handle, a bracket and a locking hook, wherein in the traditional bottom locking device, the locking hook is welded on the lock rod to be matched and locked with a locking hole on a door plate. The bracket and the latch hook are easy to wear in the use process, the bottom lock device is not easy to install and detach, the whole bottom lock device needs to be replaced when parts are damaged, later maintenance is inconvenient, and the cost is high.

Accordingly, there is a need for a container swing-up door structure and container that at least partially addresses the above problems.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the present application is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used to determine the scope of the claimed subject matter.

To at least partially solve the above-mentioned problems, a first aspect of the present application provides a container roll-up door structure, comprising:

an upturned door, the upturned door comprising:

a door panel, a top end of which is used for being pivotally connected to a container body of the container;

a bottom lock for locking or unlocking the door panel, the bottom lock comprising:

the lock hook assembly comprises a lock hook and a lock hook baffle, the lock hook baffle is fixedly connected to the lower end of the door plate, and the lock hook baffle are matched to lock or unlock the door plate;

the lock rod assembly comprises a lock rod which is detachably connected to the inner side of the doorsill and can rotate around the axis of the lock rod, one end of the lock rod is in transmission connection with one end of the lock hook through a connecting piece, and the connecting piece penetrates through the lock rod and the lock hook to enable the lock hook to rotate along with the lock rod;

the handle assembly comprises a handle, the handle is detachably connected with the lock rod in a transmission mode, and the handle is used for actuating the lock rod to rotate.

According to the container upturning door structure, the container upturning door comprises an upturning door and a bottom lock, wherein a lock hook of the bottom lock is matched with a lock hook baffle fixed to the lower end of a door plate of the upturning door to lock or unlock the door plate, and the abrasion of the lock hook is small. In addition, locking lever detachably connects to the inboard of threshold, and the locking lever passes through the connecting piece transmission with the one end of latch hook and is connected, and the handle can be dismantled with the locking lever, therefore, the locking lever of end lock, latch hook, component such as handle are the detachable connection, and the installation is convenient, when the part appears damaging, can change alone, need not with the whole change of end lock.

Optionally, an opening is formed at the tail part of the connecting end of the lock hook and the lock rod, and the lock hook and the lock rod are fastened through fastening the opening by a bolt.

Optionally, the lock rod assembly further includes:

a fixed plate fixed to an inner side of the rocker;

a bracket detachably connected to the fixing plate, the lock bar extending in a width direction of the container through the bracket;

and the bushing is arranged between the lock rod and the bracket.

Optionally, one end of the lock rod extends through a bottom side beam of the container, the handle is located on the outer side of the bottom side beam, and the lock rod is connected with the handle in an L shape.

Optionally, the handle is connected with the lock rod through a flat key, the handle is provided with a threaded hole, and a screw passes through the threaded hole to abut against the flat key.

Optionally, the handle has a protrusion outward in a width direction of the container, the protrusion having a first through hole, the handle assembly further comprising a locking mechanism for fixing a position of the handle such that the latch hook is in a position to latch the door panel, the locking mechanism comprising:

the fixed seat is fixedly connected to the lower surface of the upper edge of the bottom side beam;

a side plate fixedly connected to the bottom side member at a position higher than the handle, the side plate having a second through hole;

the pin shaft is movably connected to the fixed seat through a lock chain;

the limiting plate is pivotally connected to the fixing base around an axis along the width direction of the container, a third through hole is formed in the lower end of the limiting plate, the limiting plate is arranged to be pivotable to enable the first through hole to be aligned with the third through hole, the pin shaft penetrates through the first through hole and the third through hole, the limiting plate is arranged to be pivotable to enable the second through hole to be aligned with the third through hole, and the pin shaft penetrates through the second through hole and the third through hole.

Optionally, the latch hook baffle has a bending structure for avoiding the adhesive tape at the lower end of the door panel.

Optionally, the upturned door further comprises a hinge, one end of the hinge is connected with the door plate, and the other end of the hinge is connected to a back beam of the end face of the container.

Optionally, the upturned door further comprises a limiting piece, wherein the upper end of the limiting piece is fixedly connected to the lower end of the door plate, and the lower end of the limiting piece is arranged to contact with a threshold of the container when the door plate is in the closed position.

A second aspect of the present application provides a container comprising a roll-up door structure according to any one of the preceding claims.

Optionally, the upper edge of the bottom side beam of the container has a notch arranged such that the handle can be rotated upwards to the point where the tail of the handle extends beyond the upper edge.

Optionally, the container further comprises a fender connected to the container below the door sill and bottom side sill.

Optionally, the container further comprises a rotating member pivotally connected to a corner post of the container between a first position and a second position, the rotating member in the first position being located laterally of the flip-up door to allow normal opening of the door panel, the rotating member in the second position preventing the door panel from opening.

According to the container of this application for locking or unblock roll-up door's end lock, locking lever, latch hook, component such as handle are detachable connection, and installation, dismantlement are convenient, and when the part appeared damaging, can change alone. The notches in the upper and/or lower edges of the bottom side beams allow the rotational angle of the handle to be increased. The door sill of the container and the fenders below the bottom side beams may protect the lock bars from damage by collision when the bottom corner pieces of the container are coupled to the carrier vehicle. The rotating member may act as a safety mechanism to prevent accidental opening of the roll-up door.

Drawings

The following drawings of the present application are included to provide an understanding of the present application as part of the present application. The drawings illustrate embodiments of the present application and their description to explain the principles of the present application.

Fig. 1 is a schematic view of a structure of a container roll-up door according to an embodiment of the present application, as viewed along a length direction of the container;

FIG. 2 is a schematic top view of a bottom lock of a container swing-up door structure according to an embodiment of the present application, wherein the locking mechanism is not shown;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a partial schematic view along the direction B in FIG. 2;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 2;

fig. 6 is a schematic view of a structure of a container roll-up door according to an embodiment of the present application, as viewed in a container width direction;

FIG. 7 is a schematic perspective view of a container door structure according to an embodiment of the present application;

fig. 8 is an enlarged partial schematic view of the region D in fig. 7.

Reference numerals illustrate:

10: door panel 20: limiting piece

30: the rotating member 40: hinge

50: back beam 60: threshold (threshold)

70: bottom side beam 80: notch

90: protection plate 100: upright post

111: latch hook 112: latch hook baffle

113/134: pin 114: cotter pin

115: bolt 116: connecting piece

121: locking lever 122: bracket

123: the fixing plate 124: bushing

125: flat key 131: handle

132: the protruding portion 133: first through hole

135: the fixing base 136: side plate

137: limiting plate 138: second through hole

139: third through hole 140: threaded hole

141: buckle

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced without one or more of these details. In other instances, some features well known in the art have not been described in order to avoid obscuring the present application.

For a thorough understanding of the present application, a detailed description will be set forth in the following description. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art. It will be apparent that embodiments of the present application may be practiced without limitation to the specific details that are familiar to those skilled in the art. Preferred embodiments of the present application are described in detail below, however, the present application may have other implementations in addition to these detailed descriptions.

It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. As used herein, the singular is intended to include the plural unless the context clearly indicates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Ordinal words such as "first" and "second" recited in this application are merely identifying and do not have any other meaning, e.g., a particular order, etc. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like are used herein for illustrative purposes only and are not limiting.

The application provides a container upturning door structure and container.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings.

Referring to fig. 1-4, a first aspect of the present application provides a container roll-up door structure comprising a roll-up door and a bottom lock. Wherein the roll-up door comprises a door panel 10, the top end of the door panel 10 is used for being pivotally connected to a container body of a container, such as a middle cross beam connected to an end surface, and the roll-up door is a half-height door. The bottom lock is used for locking or unlocking the door panel 10, and comprises a lock hook assembly, a lock rod assembly and a handle assembly, wherein the lock hook assembly comprises a lock hook 111 and a lock hook baffle 112, the lock hook baffle 112 is fixedly connected to the lower end of the door panel 10, the lock hook 111 and the lock hook baffle 112 are matched for locking or unlocking the door panel 10, when the lock hook 111 is propped against the lock hook baffle 112 at the outer side, the door panel 10 is prevented from being opened, the lock hook 111 is outwards rotated to release the lock hook baffle 112, and the door panel 10 is unlocked. The lock lever assembly includes a lock lever 121, and the lock lever 121 is detachably connected to the inner side of the rocker 60 and rotatable about an axis E of the lock lever 121. The lock rod 121 is in transmission connection with one end of the lock hook 111 through the connecting piece 116, and the connecting piece 116 penetrates through the lock rod 121 and the lock hook 111 to enable the lock hook 111 to rotate along with the lock rod 121. The handle assembly includes a handle 131, the handle 131 being in releasable driving connection with the locking bar 121, the handle 131 being adapted to actuate rotation of the locking bar 121.

According to the upturning door structure, in the locking or unlocking process, the lock hook 111 does not need to penetrate through the door plate 10, the abrasion of the lock hook 111 is less, in addition, the lock rod 121, the lock hook 111, the handle 131 and other components are detachably connected, the installation and the disassembly are convenient, and when parts are damaged, the parts can be independently replaced without integrally replacing the bottom lock. The hole position of the lock lever 121 is machined, so that the installation accuracy can be ensured.

Specifically, the threshold 60 has a through hole so that the latch hook 111 passes from the inner side of the threshold 60 to the outer side of the threshold 60 to be engaged with the latch hook baffle 112, and the size of the through hole is set so that the latch hook 111 can rotate with the latch rod 121 at a certain angle. Preferably, a penetration pipe is provided in the through hole to protect the threshold 60, and the latch hook 111 is penetrated through a hollow portion of the penetration pipe.

Preferably, as shown in fig. 3, the latch hook 111 is substantially L-shaped, the latch rod 121 passes through one end of the latch hook 111, the connecting piece 116 includes a pin 113 and a split pin 114, the pin 113 passes through the latch rod 121 and the latch hook 111, the split pin 114 passes through the pin 113 to fix the connection of the pin 113 with the latch rod 121 and the latch hook 111, and thus the latch hook 111 can rotate with the latch rod 121. It should be noted that the connecting piece 116 may also be a cotter pin or a screw pin passing through the lock rod 121 and the lock hook 111, the connecting piece 116 may also be a bolt or a nut, and the connecting piece 116 may also be other metal pieces passing through the lock rod 121 and the lock hook 111, which is not limited in this application.

Optionally, as shown in fig. 3, the tail of the connection end of the latch hook 111 and the latch rod 121 is provided with an opening, the latch hook 111 and the latch rod 121 are connected and fastened through the bolt 115 and the nut fastening opening, and when the latch rod 121 drives the latch hook 111 to rotate, the stress of the pin 113 can be reduced, and the risk of deformation or damage of the pin 113 is reduced.

As shown in fig. 5, the locking bar assembly further includes a fixing plate 123, a bracket 122, and a bushing 124, the fixing plate 123 being fixedly coupled (e.g., welded) to the inside of the door sill 60 of the container, the fixing plate 123 having a thickness that facilitates the bracket 122 to be detachably coupled (e.g., by a screw) to the fixing plate 123, while also providing a space for installation of the handle 131. The bracket 122 is substantially omega-shaped, and the lock lever 121 extends in the width direction D2 of the container through the bracket 122 and is rotatable about the axis E. A bushing 124 is provided between the lock lever 121 and the bracket 122 to prevent friction with the bracket 122 when the lock lever 121 rotates.

The locking bar assembly preferably includes a plurality of securing plates 123, brackets 122, and bushings 124, and the bottom lock preferably includes a plurality of shackle assemblies. More preferably, the plurality of brackets 122 are spaced apart from the plurality of shackle assemblies along the width direction D2 of the container.

Preferably, as shown in fig. 4, the handle 131 is connected with the lock lever 121 through the flat key 125, the handle 131 has a screw hole 140, and a screw abuts the flat key 125 through the screw hole 140, preventing the handle 131 from sliding out. It should be noted that, the handle 131 and the lock rod 121 may be detachably connected by a cotter pin, a bolt, or the like, which is not limited in this application.

Preferably, as shown in fig. 6, the handle 131 is provided to have a downward bend in a vertical plane, so that the handle 131 has a larger space for upward rotation.

Preferably, one end of the lock lever 121 extends through the bottom side member 70 of the container, the handle 131 is located outside the bottom side member 70, and the lock lever 121 is connected to the handle 131 in an L shape. Therefore, personnel can operate the opening and locking of the upturned door on the side of the container, and the door is safer.

Alternatively, referring to fig. 2 and 6 to 8, the handle 131 has a protrusion 132 outwardly in the width direction D2 of the container, and the protrusion 132 has a first through hole 133. The handle assembly further includes a locking mechanism for securing the position of the handle 131 such that the shackle 111 is in a locked position locking the door panel 10.

Specifically, the locking mechanism includes a fixed seat 135, a side plate 136, a pin 134, and a limiting plate 137. The fixing base 135 is fixedly attached to the lower surface of the upper edge of the bottom side member 70. The side plate 136 is fixedly coupled to the bottom side member 70 at a position higher than the handle 131, and the side plate 136 has a second through hole 138, for example, the side plate 136 is located at substantially the same level as the fixing base 135, and the second through hole 138 is substantially in the horizontal direction. The pin 134 is movably connected to the fixing base 135 through a chain, so that the loss can be prevented. The stopper plate 137 is pivotably connected to the fixing base 135 about an axis in the width direction D2 of the container, and a lower end of the stopper plate 137 has a third through hole 139. The limiting plate 137 is located at an outer side of the handle 131, the limiting plate 137 is arranged to be pivotable until the first through hole 133 and the third through hole 139 are aligned, the pin shaft 134 passes through the first through hole 133 and the third through hole 139, thereby preventing upward rotation of the handle 131, and the limiting plate 137 is arranged to be pivotable until the second through hole 138 and the third through hole 139 are aligned, the pin shaft 134 passes through the second through hole 138 and the third through hole 139, thereby releasing the limitation of the limiting plate 137 on upward rotation of the handle 131. For example, when the handle 131 is positioned at a position where the door panel 10 is locked, the first through hole 133 of the protrusion 132 is provided in the vertical direction, the lower end of the limiting plate 137 is provided with a connecting portion which is outwardly directed in the width direction D2 of the container, the connecting portion is provided with a third through hole 139 in the length direction of the limiting plate 137, and when the limiting plate 137 is pivoted to be in the vertical direction, the first through hole 133 and the third through hole 139 are aligned.

Preferably, as shown in fig. 6 and 8, the handle assembly further includes a generally L-shaped catch 141, the catch 141 being connected to the bottom side member 70 to be pivotable in a vertical plane. When the handle 131 is positioned at a position where the door panel 10 is in the unlocked state, the catch 141 is pivoted to prevent the handle 131 from rotating downward to maintain the unlocked state of the door panel 10.

Preferably, as shown in fig. 8, the latch hook baffle 112 has a bent structure for avoiding the adhesive tape of the lower end of the door panel 10.

As shown in fig. 1 and 6, the roll-up door further includes a hinge 40, one end of the hinge 40 is connected to the door panel 10, and the other end of the hinge 40 is connected to a back beam 50 of an end surface of the container, so that the door panel 10 is connected to the container body with high strength. Meanwhile, the hinge plate of the hinge 40 is provided with a bending structure to avoid the adhesive tape.

Preferably, as shown in fig. 1 and 8, the roll-up door further includes a stopper 20, an upper end of the stopper 20 is fixedly coupled (e.g., welded) to a lower end of the door panel 10, and the lower end of the stopper 20 is configured to contact a threshold 60 of the container when the door panel 10 is at a just closed position, preventing interference closing of the door panel 10.

A second aspect of the present application provides a container comprising the above-described roll-up door structure. As shown in fig. 8, the upper edge of the bottom side member 70 of the container has a notch 80, and the notch 80 is provided so that the handle 131 can be rotated upward until the tail of the handle 131 exceeds the upper edge, thereby increasing the rotation space of the handle 131.

As shown in fig. 1 and 6, the container further includes a shielding plate 90, and the shielding plate 90 is connected to the lower side sill 60 and the bottom side sill 70 of the container. For example, the shielding plate 90 has a triangular shape, and both sides of the triangle are connected to the lower portions of the rocker 60 and the bottom side member 70, respectively, and both ends of the rocker are connected to one shielding plate 90, respectively. Thus, the shielding plate 90 can protect the lock rod 121 from damage by collision when the bottom corner piece of the container is coupled to the carrier vehicle.

The container further comprises a rotating member 30 pivotally connected to the corner post 100 of the container between a first position and a second position, the rotating member 30 in the first position being located laterally of the roll-up door (laterally of the container width direction D2) to allow the door panel to open normally, the rotating member 30 in the second position preventing the door panel 10 from opening. The rotating member 30 as shown in fig. 1 is in the second position.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the present application. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

While the application has been described by way of example and with reference to the above embodiments, it is to be understood that the above embodiments are for illustration and description only and that the application is not limited to the above embodiments, and that many variations and modifications may be made in accordance with the teachings of the application, which variations and modifications are within the scope of the application as claimed.

Claims (13)

1. A container roll-up door structure, characterized in that the roll-up door structure comprises:

an upturned door, the upturned door comprising:

a door panel, a top end of which is used for being pivotally connected to a container body of the container; a bottom lock for locking or unlocking the door panel, the bottom lock comprising:

the lock hook assembly comprises a lock hook and a lock hook baffle, the lock hook baffle is fixedly connected to the lower end of the door plate, and the lock hook baffle are matched to lock or unlock the door plate;

the locking rod assembly comprises a locking rod which is detachably connected to the inner side of a threshold of the container and can rotate around the axis of the locking rod, the locking rod is in transmission connection with one end of the locking hook through a connecting piece, and the connecting piece penetrates through the locking rod and the locking hook to enable the locking hook to rotate along with the locking rod;

the handle assembly comprises a handle, the handle is detachably connected with the lock rod in a transmission mode, and the handle is used for actuating the lock rod to rotate.

2. The door structure according to claim 1, wherein the tail of the connecting end of the locking hook and the locking bar has an opening, and the locking hook and the locking bar are fastened by fastening the opening with a bolt.

3. The roll-up door structure of claim 1, wherein the locking bar assembly further comprises:

a fixed plate fixed to an inner side of the rocker;

a bracket detachably connected to the fixing plate, the lock bar extending in a width direction of the container through the bracket;

and the bushing is arranged between the lock rod and the bracket.

4. The roll-up door structure of claim 1, wherein one end of the lock bar extends through a bottom side beam of the container, the handle is located outside the bottom side beam, and the lock bar is connected with the handle in an L shape.

5. The roll-up door structure of claim 1, wherein the handle is connected to the lock bar by a flat key, the handle having a threaded hole through which a screw abuts the flat key.

6. The roll-up door structure of claim 4, wherein the handle has a projection outward in a width direction of the container, the projection having a first through hole, the handle assembly further comprising a locking mechanism for securing a position of the handle such that the latch hook is in a position to latch the door panel, the locking mechanism comprising:

the fixed seat is fixedly connected to the lower surface of the upper edge of the bottom side beam;

a side plate fixedly connected to the bottom side member at a position higher than the handle, the side plate having a second through hole;

the pin shaft is movably connected to the fixed seat through a lock chain;

the limiting plate is pivotally connected to the fixing base around an axis along the width direction of the container, a third through hole is formed in the lower end of the limiting plate, the limiting plate is arranged to be pivotable to enable the first through hole to be aligned with the third through hole, the pin shaft penetrates through the first through hole and the third through hole, the limiting plate is arranged to be pivotable to enable the second through hole to be aligned with the third through hole, and the pin shaft penetrates through the second through hole and the third through hole.

7. The roll-up door structure of claim 1, wherein the latch hook baffle has a bent structure for avoiding a rubber strip at a lower end of the door panel.

8. The roll-up door structure of claim 1, further comprising a hinge having one end connected to the door panel and the other end connected to a back beam of an end face of the container.

9. The roll-up door structure of claim 1, further comprising a stopper having an upper end fixedly connected to a lower end of the door panel, the lower end of the stopper being configured to contact a threshold of the container when the door panel is in the closed position.

10. A container comprising a roll-up door structure according to any one of claims 1-9.

11. A container as claimed in claim 10, wherein the upper edge of the bottom side beam of the container has a notch arranged so that the handle can be rotated upwardly to the point where the tail of the handle extends beyond the upper edge.

12. The container of claim 10, further comprising a fender panel connected to the container below the threshold and bottom side beams.

13. The container of claim 10, further comprising a rotating member pivotally connected to a corner post of the container between a first position and a second position, the rotating member in the first position being located laterally of the roll-up door to allow normal opening of the door panel, the rotating member in the second position preventing the door panel from opening.