CN110877780B - Door lintel connecting assembly and open top type container comprising same - Google Patents

Abstract

The utility model provides a lintel coupling assembling for on the open top formula container, open top formula container has the box, the opening has been seted up on the box, lintel coupling assembling is including being used for setting up in the bight structure of box open back end top both sides and setting up the lintel structure between the bight structure, the lintel structure includes: a fixed door lintel fixed with the corner structure; the movable door lintel is movably arranged between the fixed door lintels and can be rotated to open backwards; the hinge structure comprises a hinge seat fixed with a fixed door lintel or a corner structure, a hinge plate fixed with a movable door lintel and a pin shaft for hinging the hinge seat and the hinge plate: the hinge plate comprises a fixed part fixed on the movable door lintel and a hinge support lug connected with the fixed part to be matched with the pin shaft; when the movable door lintel is in a closed state, the distance between the axis of the pin shaft and the rear end surface of the fixed part or the rear wall surface of the movable door lintel is not smaller than the distance between the axis of the pin shaft and the rear end surface of the corner structure in the front-back direction.

Description

Lintel connection assembly and open top container including the same

Technical Field

The invention relates to a door lintel connection assembly and an open top container comprising the same, and in particular to a door lintel connection assembly capable of fully opening a movable door lintel and an open top container comprising the same.

Background technique

An open top container is a special container that can be loaded and unloaded from the top of the container by a crane or from the door end of the container by a forklift. It is suitable for loading large objects, such as heavy goods such as metal plates, glass plates, mechanical equipment and ore. Existing open top containers usually include a container and a door body, and a lintel is arranged above the door body. The existing lintel is a rotatable structure and is usually divided into three sections: a movable lintel and two fixed lintels. The two fixed lintels are respectively fixed to the inner side of the left and right top corner structures, and are detachably connected to the two ends of the movable lintel through hinges.

The hinge structure comprises a hinge seat fixed on a fixed door lintel or a corner structure, a hinge plate fixed on a movable door lintel and a pin shaft, wherein the pin shaft extends in a vertical direction and is used to fix the hinge plate and the hinge seat.

However, due to structural limitations, the movable lintel will interfere with the top corner structure after rotating to a certain angle, so that the movable lintel cannot be fully opened, which in turn affects the opening size between the fixed lintels and affects the loading and unloading of goods from between the fixed lintels.

Therefore, an open-top container that can increase the rotation angle of the movable door lintel must be designed to solve the interference problem between the movable door lintel and the top corner structure.

Summary of the invention

In order to solve the above problems, the present invention proposes a lintel connection assembly for an open-top container, wherein the open-top container has a box body, and an opening is opened on the box body. The lintel connection assembly includes corner structures for being arranged on both sides of the top of the rear end of the box body opening and a lintel structure arranged between the corner structures, and the lintel structure includes: a fixed lintel, which is fixed to the corner structures; a movable lintel, which is movably arranged between the fixed lintels and can be rotated to open backwards; a hinge structure, including a hinge seat fixed to the corner structures, and a hinge seat connected to the movable door A hinge plate fixed to a movable door lintel and a pin hingedly connecting the hinge seat and the hinge plate: the hinge plate includes a fixing portion fixed to the movable door lintel and a hinge support ear connected to the fixing portion to cooperate with the pin; when the movable door lintel is in a closed state, in the front-to-back direction, the distance between the axis of the pin and the rear end surface of the fixing portion or the rear wall surface of the movable door lintel is not less than the distance between the axis of the pin and the rear end surface of the corner structure; the hinge seat has a matching portion matching with the pin and the hinge support ear, and the matching portion protrudes beyond the fixed door lintel in the direction of the movable door lintel.

As a further improvement of the present invention, the hinge ear has a side wall surface connected to the rear end face of the fixing portion, and an angle x is formed between the side wall surface and the rear end face of the corner structure, and 90°≤x≤145°, wherein when x>90°, the side wall surface extends obliquely from back to front toward the middle position of the movable lintel.

As a further improvement of the present invention, the hinge lug integrally protrudes to the rear of the rear end surface of the fixing portion and forms an L-shape with the fixing portion as a whole.

As a further improvement of the present invention, the movable door lintel is concavely provided from rear to front to form a yielding portion, and the fixing portion is fixed in the yielding portion.

As a further improvement of the present invention, the yielding portion has a fixed wall fixed to the fixed portion, the movable lintel further has a front wall located at the front end, and a reinforcing rib is connected between the fixed wall and the front wall.

As a further improvement of the present invention, the movable lintel also has a rear wall opposite to the front wall, a top wall and a bottom wall fixedly connecting the top and bottom ends of the front wall and the rear wall, the rear wall surface of the movable lintel is the rear wall surface of the rear wall, and the yielding portion is formed by being recessed forward from the rear wall.

As a further improvement of the present invention, the relief portion does not extend upwardly through the top wall.

As a further improvement of the present invention, the hinge seat is fixed on the corner structure and arranged on the rear side of the fixed lintel; when the movable lintel is in a closed state, the fixed lintel and the movable lintel are connected with an inclined surface, and the inclined surface extends obliquely from the back to the front and from the outside to the inside, and the matching portion is located on the rear side of the fixed lintel and protrudes inward from the corner structure beyond the inclined surface.

As a further improvement of the present invention, the hinge structure is connected to at least one end of the movable lintel and is detachably fixed to the fixed lintel or the corner structure.

The present invention proposes an open-top container, comprising a box body and a door body arranged on the rear side of the box body, the box body is provided with an opening, the door body is installed at the opening to open or close the opening, and the open-top container also includes the lintel connection assembly as described above, wherein the lintel structure is arranged above the door body.

The beneficial effects of the present invention are as follows: when the movable door lintel is in a closed state, in the front-to-back direction, the distance between the axis of the pin shaft and the rear end face of the fixed portion or the rear wall of the movable door lintel is not less than the distance between the axis of the pin shaft and the rear end face of the corner structure, so that during the opening process of the movable door lintel, the corner structure does not contact the hinge plate fixed portion or the movable door lintel, so that the movable door lintel can be opened to 180° or more. Therefore, the movable door lintel can be fully unfolded without causing interference during the loading and unloading process.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the top view of the structure of the open top container of the present invention with the door lintel closed;

FIG2 is an enlarged structural schematic diagram of the circle A portion in FIG1 ;

FIG3 is a schematic diagram of the structure of the open top container of the present invention when the door lintel is opened;

FIG4 is an enlarged structural diagram of the circle B portion in FIG3 ;

100-lintel structure; 20-corner piece; 1-fixed lintel; 2-movable lintel; 21-yield portion; 211-fixed wall; 3-hinge structure; 31-hinge seat; 311-matching portion; 32-hinge plate; 33-pin shaft; 23-main body; 321-fixed portion; 322-support ear.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

In addition, repeated reference numerals or symbols may be used in different embodiments. These repetitions are only for the purpose of simply and clearly describing the present invention, and do not represent any correlation between the different embodiments or structures discussed.

The present invention relates to an open top container, which has no rigid roof but is usually provided with a canopy made of canvas, plastic sheet or plastic coated cloth supported by a foldable top beam, and the top is covered with a waterproof cloth during shipment. This open top container is suitable for loading large objects with large volume or heavy objects that need to be hoisted, such as glass plates, etc.

First, specifically, the open top container extends from front to back and includes a box body and a door body arranged at the rear side of the box body. It should be noted that "front" and "rear" here do not refer to specific directions, but refer to relative positional relationships, which are only for the convenience of describing this specific implementation. If the door body is arranged at the front side of the box body, the purpose of this specific implementation is also met.

The box body is provided with an opening, and the box body also includes a lintel connection assembly for an open top container, the lintel connection assembly includes a corner structure for being arranged on both sides of the top of the rear end of the box body opening and a lintel structure 100 arranged between the corner structures, and the lintel structure 100 is arranged above the door body. The corner structure can be any one or more of the rear end part of the top side beam of the box body, the top part of the corner column, and the corner piece 20 arranged at the rear end of the top side beam of the box body or the top end of the corner column. The lintel structure 100 can be fixedly connected to one or more of the above-mentioned corner piece 20, the top part of the corner column, the rear end part of the top side beam of the box body, etc. In the present embodiment of the invention, the corner piece 20 is mainly used as an example of a preferred embodiment of the corner structure, but it does not mean that the present invention only protects this type of corner piece 20 as a corner structure. The above-mentioned other types of corner structures are also applicable to the present invention and are within the protection scope of the present invention, and will not be described in detail below.

The lintel structure 100 is a crossbeam above the door body. When the door body is opened and items are loaded and unloaded, the lintel structure 100 is usually also required to be opened. Specifically, in this embodiment, when the lintel structure 100 is closed, the lintel structure 100 extends in the horizontal direction and is fixed between two corner pieces 20 above the door body. The corner pieces 20 include a left corner piece arranged at the upper left of the door body and a right corner piece arranged at the upper right of the door body, and the lintel structure 100 is fixed between the left corner piece and the right corner piece. Similarly, "left" and "right" here do not refer to specific directions, but to relative positional relationships, which are only for the convenience of describing this specific embodiment.

As shown in FIGS. 1 and 2 , the lintel structure 100 includes a fixed lintel 1 fixed to the opposite inner sides of two corner pieces 20, and a movable lintel 2 movably arranged between the fixed lintels 1, and the movable lintel 2 can be rotated from front to back to open. The lintel structure 100 also includes a hinge structure 3 for connecting the movable lintel 2 with the fixed lintel 1 or the corner structure to rotatably fix the movable lintel 2. The hinge structure 3 is connected to at least one end of the movable lintel 2, and is detachably fixed to the fixed lintel 1 or the corner structure. Specifically, in this embodiment, the hinge structure 3 is fixed to the corner piece 20 of the corner structure.

Specifically, as shown in FIG3 , the fixed lintel 1 includes a first fixed lintel 11 and a second fixed lintel 12. The first fixed lintel 11 is fixed to the left corner piece, and the second fixed lintel 12 is fixed to the right corner piece. One end of the movable lintel 2 is connected and fixed to the first fixed lintel 11 through a hinge structure 3, and the other end of the movable lintel 2 is detachably connected to the second fixed lintel 12. When the movable lintel 2 is detached from the second fixed lintel 12, the movable lintel 2 flips relative to the first fixed lintel 11 around the hinge structure 3.

As shown in FIG2 , the hinge structure 3 includes a hinge seat 31 fixed to the first fixed lintel 11 or the corresponding corner structure, a hinge plate 32 fixed to the movable lintel 2, and a pin 33 hingedly connecting the hinge seat 31 and the hinge plate 32. As shown in FIG4 , the hinge plate 32 includes a fixed portion 321 fixed to the movable lintel 2 and a hinge lug 322 connected to the fixed portion 321 to cooperate with the pin 33, and the fixed portion 321 and the hinge lug 322 are integrally formed. In this specific embodiment, the hinge seat 31 is fixed to the corner piece 20 of the corner structure.

When the movable door lintel 2 is in a closed state, in the front-to-back direction, the distance between the axis of the pin shaft 33 and the rear end surface of the fixed portion 321 or the rear wall surface of the movable door lintel 2 is not less than the distance between the axis of the pin shaft 33 and the rear end surface of the corner structure. Therefore, in the process of the movable door lintel 2 opening to 180°, the fixed portion 321 and the rear wall surface of the movable door lintel 2 will never interfere with the corner 20, so that the movable door lintel 2 can be fully opened to 180° or more, and will not affect the process of placing and unloading goods. Of course, if the hinge structure described above is provided on both sides of the movable door lintel 2 as described above, both ends of the movable door lintel can be fully opened to 180° or more.

Specifically, in this embodiment, the lintel structure 100 is disposed between the corner pieces 20, and when the movable lintel 2 is in a closed state, in the front-to-back direction, the distance between the axis of the pin shaft 33 and the rear end surface of the fixing portion 321 or the rear wall surface of the movable lintel 2 is not less than the distance between the axis of the pin shaft 33 and the rear end surface of the corner piece 20. It should be noted that the rear wall surface of the movable lintel 2 refers to the surface of the movable lintel 2 that is opposite to the corner piece 20 when the movable lintel 2 is opened to nearly 180° or more than 180°. Therefore, when the movable lintel 2 is in a closed state, the distance from the pin shaft 33 to the rear wall surface of the movable lintel 2 must be greater than or equal to the distance from the pin shaft 33 to the corner piece 20, so that the movable lintel 2 can be free from contact with the corner piece 20 during the process of opening the movable lintel 2 to 180°.

Similarly, the rear end face of the fixing portion 321 refers to the side of the fixing portion 321 facing away from the movable door lintel 2; it is also the side of the fixing portion 321 close to the corner piece 20 when the movable door lintel 2 is opened to nearly 180° or more than 180°. Therefore, when the movable door lintel 2 is closed, the distance from the pin shaft 33 to the rear end face of the fixing portion 321 must be greater than or equal to the distance from the pin shaft 33 to the corner piece 20, so that the fixing portion 321 can not contact the corner piece 20 when the movable door lintel 2 is opened to 180°.

Further, as shown in FIGS. 1 and 2 , the hinge lug 322 has a side wall surface connected to the rear end surface of the fixing portion 321, and the side wall surface forms an angle x with the rear end surface of the angle piece 20, and 90°≤x≤145°. Moreover, when x＞90°, the side wall surface extends obliquely from the back to the front toward the middle position of the movable lintel 2. In this specific embodiment, the above-mentioned x is a right angle or an obtuse angle. On the contrary, if x is an acute angle or a right angle, 45°≤x≤90°. Therefore, the hinge lug 322 protrudes as a whole to the rear of the rear end surface of the fixing portion, and forms an L-shape with the fixing portion as a whole.

Since the hinge lug 322 is connected to the hinge seat 31 via the pin 33, the size of x is related to the extension length of the hinge seat 31. In the horizontal direction, if the extension length of the hinge seat 31 is shorter, the angle of x is smaller, and if the extension length of the hinge seat 31 is longer, the angle of x is larger. In addition, when the movable door lintel 2 is opened to 180°, the side wall surface of the hinge lug 322 and the corner piece 20 do not interfere with each other. Similarly, after opening to 180° or more, the side wall surface of the hinge lug 322 and the corner piece 20 are separated by a gap or just in contact.

Further, in this specific embodiment, as shown in FIGS. 1 and 2 , the clearance portion 21 is formed by being recessed forward from the rear surface of the movable door lintel 2, and the fixing portion 321 is fixed in the clearance portion 21. Therefore, the distance between the axis of the pin shaft 33 and the fixing portion 321 is large enough to ensure that the distance is greater than or equal to the distance between the axis of the pin shaft 33 and the rear end surface of the corner piece 20. Of course, if the clearance portion 21 is not formed on the fixing portion 321, and the fixing portion 321 directly protrudes outward from the movable door lintel 2, the purpose of the present invention can also be achieved as long as the above distance relationship is met.

The yielding portion 21 has a fixed wall 211 fixed to the fixed portion 321, and the movable door lintel also has a front wall located at the front end. Since the yielding portion 21 is formed in a recessed manner on the movable door lintel 2, in order to enhance the strength and stability of the movable door lintel 2, as shown in FIG4 , a reinforcing rib 221 is connected between the fixed wall 211 and the front wall.

The movable door lintel 2 also has a rear wall opposite to the front wall, a top wall and a bottom wall fixedly connecting the top and bottom ends of the front wall and the rear wall, and the relief portion 21 is formed by being recessed forward from the rear wall.

It should be noted that, on the one hand, as shown in FIG. 1 and FIG. 2 , in this preferred embodiment, the rear wall of the movable door lintel 2 is only partially recessed to form a clearance portion 21 that just accommodates the fixing portion 321, and the clearance portion 21 does not extend upward through the top wall. Thus, the top wall can play a certain shielding role, such as rainproof, sand and stoneproof, etc. In this embodiment, the rear wall surface of the movable door lintel 2 is the rear wall surface of the rear wall. When the movable door lintel 2 is opened to 180°, the corner piece 20 is always spaced from or just in contact with the rear wall of the movable door lintel 2.

On the other hand, if the rear wall of the movable door lintel 2 is partially or completely recessed to form a clearance portion 21 that can accommodate the corner piece 20, and in the case of the above-mentioned complete recess, it means that the clearance portion 21 vertically penetrates the top wall. In this case, the rear wall surface of the movable door lintel 2 refers to the fixed wall 211 of the clearance portion 21; when the movable door lintel 2 is opened to 180 degrees, the corner piece 20 partially enters the clearance space 21 and will not interfere with the fixed portion 321 and the movable door lintel 2.

The hinge lug 322 and the hinge seat 31 are both provided with an axial hole matched with the pin shaft 33, and the pin shaft 33 extends in the longitudinal direction. The axis center of the pin shaft 33 is the axis center of the axial hole. Specifically, the hinge seat 31 has a matching portion 311 matched with the pin shaft 33 and the hinge lug 322, and the matching portion 311 protrudes toward the direction of the movable door lintel 2 to exceed the first fixed door lintel 11. As described above, the hinge seat 31 can be fixed to the first fixed door lintel 11 or the corresponding corner piece 20. By setting the matching portion 311 of the hinge seat 31 to protrude beyond the first fixed door lintel 11, it can be ensured that the hinge plate 32 has sufficient rotation space.

Specifically, in this embodiment, the hinge seat 31 is fixed on the corner piece 20 and is arranged at the rear side of the first fixed lintel 11; when the movable lintel 2 is in a closed state, the fixed lintel 1 and the movable lintel 2 are connected by an inclined surface, and the inclined surface in the first fixed lintel 11 extends obliquely from the back to the front and from the outside to the inside, and the matching portion 311 is located at the rear side of the first fixed lintel 11 and protrudes inward from the corner piece beyond the inclined surface. The inclined surface of the first fixed lintel 11 can make the process of opening the movable lintel 2 more convenient and less likely to interfere with other structures. In addition, when the matching portion 311 exceeds the inclined surface setting, the hinge plate can be set in an L shape, and the movable lintel 2 can be opened and closed better.

It should be noted that, in the specific implementation, the "inside" and "outside" refer to the movable lintel 2 as the reference center, and "the inclined surface of the first fixed lintel 11 extends obliquely from the outside to the inside" means that the inclined surface of the first fixed lintel 11 extends in the direction of the movable lintel 2, and "the matching portion 311 is located at the rear side of the first fixed lintel 11 and protrudes inward from the corner piece" means that the matching portion 311 protrudes in the direction of the movable lintel 2. Of course, if the fixed lintel 1 and the movable lintel 2 are not connected by an inclined surface, but by a plane connection or other connection methods, the purpose of the present invention can also be achieved.

Therefore, in summary, when the movable door lintel 2 is in the closed state, in the front-to-back direction, the distance between the axis of the pin shaft 33 and the rear end surface of the fixing portion 321 or the rear wall surface of the movable door lintel 2 is not less than the distance between the axis of the pin shaft 33 and the rear end surface of the corner piece 20, so that during the opening process of the movable door lintel 2, the corner piece 20 does not contact the fixing portion 321 of the hinge plate 32, nor does it contact the movable door lintel 2, so that the movable door lintel 2 can be opened to 180° or more. Therefore, the movable door lintel 2 can be fully unfolded and will not cause interference during the loading and unloading process.

It should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of feasible embodiments of the present invention and are not intended to limit the scope of protection of the present invention. All equivalent embodiments or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims (8)

1. A lintel connection assembly for an open top container, the open top container having a box body with an opening, the lintel connection assembly comprising corner structures arranged at both sides of the top of the rear end of the box body opening and a lintel structure arranged between the corner structures, the lintel structure comprising: A fixed door lintel fixed to the corner structure; The movable door lintel is movably arranged between the fixed door lintels and can be rotated to open backwards; The hinge structure comprises a hinge seat fixed to the corner structure, a hinge plate fixed to the movable door lintel, and a pin for hinge-connecting the hinge seat and the hinge plate: The invention is characterized in that: the hinge plate comprises a fixing portion fixed to the movable door lintel and a hinge lug connected to the fixing portion to cooperate with the pin shaft; when the movable door lintel is in a closed state, in the front-to-back direction, the distance between the axis of the pin shaft and the rear end surface of the fixing portion or the rear wall surface of the movable door lintel is not less than the distance between the axis of the pin shaft and the corner structure; The hinge seat has a matching portion that matches the pin shaft and the hinge lug, and the matching portion protrudes beyond the fixed door lintel in the direction of the movable door lintel; The hinge lug has a side wall surface connected to the rear end surface of the fixing portion, and an angle x is formed between the side wall surface and the rear end surface of the corner structure, and 90°≤x≤145°, wherein when x>90°, the side wall surface extends obliquely from the back to the front toward the middle position of the movable door lintel; The movable door lintel is concavely arranged from the back to the front to form a yielding portion, and the fixing portion is fixed in the yielding portion. 2. The door lintel connection assembly according to claim 1, characterized in that the hinge ear protrudes as a whole to the rear of the rear end surface of the fixing portion and forms an L-shape with the fixing portion as a whole. 3. The door lintel connection assembly according to claim 1 is characterized in that: the giving way portion has a fixed wall fixed to the fixed portion, the movable door lintel also has a front wall located at the front end, and a reinforcing rib is connected between the fixed wall and the front wall. 4. The lintel connection assembly according to claim 3 is characterized in that: the movable lintel also has a rear wall opposite to the front wall, a top wall and a bottom wall fixedly connecting the top and bottom ends of the front wall and the rear wall, the rear wall surface of the movable lintel is the rear wall surface of the rear wall, and the yielding portion is formed by being recessed forward from the rear wall. 5 . The door lintel connection assembly according to claim 4 , wherein the relief portion does not extend upwardly through the top wall. 6. The lintel connection assembly according to claim 1 is characterized in that: the hinge seat is fixed on the corner structure and is arranged on the rear side of the fixed lintel; when the movable lintel is in a closed state, the fixed lintel and the movable lintel are connected with an inclined surface, and the inclined surface extends obliquely from the back to the front and from the outside to the inside, and the matching portion is located on the rear side of the fixed lintel and protrudes inward from the corner structure beyond the inclined surface. 7. The door lintel connection assembly according to claim 1, characterized in that the hinge structure is connected to at least one end of the movable door lintel and is detachably fixed to the corner structure. 8. An open-top container, characterized in that it includes a box body and a door body arranged on the rear side of the box body, the box body is provided with an opening, and the door body is installed at the opening to open or close the opening, and the open-top container also includes a lintel connection assembly as described in any one of claims 1 to 7, wherein the lintel structure is arranged above the door body.