Semi-hidden type four-connecting-rod hinge structure of container side door

Abstract

The utility model discloses a semi-hidden type four-connecting-rod hinge structure of a container side door, which is connected between a container wall plate and a container door plate and comprises a wall plate assembling seat, a door plate assembling seat and an assembling seat fixing hole, the wall plate assembling seat is arranged in a wall plate groove, the door plate assembling seat is arranged in a door plate groove, and the assembling seat fixing hole is arranged in the door plate groove. An assembling seat connecting device and an assembling seat connecting arm are rotationally arranged between the wall plate assembling seat and the door plate assembling seat, and the two ends of the assembling seat connecting arm are rotationally connected with the wall plate assembling seat and the door plate assembling seat correspondingly; after installation, only the outer surface of the assembly seat connecting device, a small part of the outer surface of the wall plate assembly seat and the outer surface of the door plate assembly seat are in an exposed state, and the other parts are arranged in the corresponding grooves, so that a semi-hidden installation mode is formed, the probability of contact with corrosive liquid and the like is reduced, and the service life of the door plate is prolonged. The overall structure is flush with the outer surfaces of the container wall plate and the container door plate, the opening angle is large, and installation and use are flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of accessories for cargo boxes, in particular to a semi-hidden four-link hinge structure for a cargo box side door. Background Art

[0002] The doors on light truck cargo boxes are generally assembled and rotated with a hinge structure to enable opening and closing during cargo loading and unloading, but the hinge structures currently installed on light truck cargo boxes are all completely exposed. The paint surface of this completely exposed hinge structure has poor corrosion resistance and is prone to rust after long-term use, which affects the service life of the hinges and the door. In response to the above technical problems, the patent number is 202011453577.X, and the patent name is a patent document for a hidden cargo door hinge. The hinge of the cargo door is specially designed so that after installation and when the door is closed, the entire structure is inside the cargo box, thereby forming a completely hidden installation method to protect the hinge of the cargo door. Although this design method fully protects the hinge structure, during actual use, the limit rod 35 used to realize the limit function will rotate synchronously with the door, and the limit rod 35 has a certain length. When the door is opened, it will protrude from the surface of the door and extend to the side of the door. The outer end of the limit rod 35 also has a 90° bend design, which can easily hook the clothes of the loaders or unloaders or the objects they load and unload, thereby affecting normal operations, making it inconvenient to use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a semi-hidden four-link hinge structure for the cargo box side door, whose main structure can be hidden after installation, whose outer surface can be flush with the cargo box surface, and which has a large opening range of the rear door.

[0004] To solve the above technical problems, the technical solution of the utility model is: a semi-hidden four-link hinge structure of a cargo box side door, connected between a cargo box wall panel and a cargo box door panel, including a wall panel assembly seat fixedly connected to the cargo box wall panel, a door panel assembly seat fixedly connected to the cargo box door panel, an assembly seat fixing hole is respectively provided through the wall panel assembly seat and the door panel assembly seat, a wall panel groove is provided on the outer surface of the cargo box wall panel, and the cargo box door panel is provided with a door panel groove at one end facing the cargo box wall panel, the wall panel assembly seat is arranged in the wall panel groove, the door panel assembly seat is arranged in the door panel groove, an assembly seat connecting device is provided between the wall panel assembly seat and the door panel assembly seat, the assembly seat connecting device is respectively rotatably connected to the wall panel assembly seat and the door panel assembly seat, an assembly seat connecting arm is provided corresponding to the assembly seat connecting device, and two ends of the assembly seat connecting arm are respectively rotatably connected to the wall panel assembly seat and the door panel assembly seat.

[0005] As a preferred technical solution, the wall panel assembly seat includes a wall panel assembly plate, the wall panel assembly plate is provided with the assembly seat fixing hole, the wall panel assembly plate is provided with an outwardly protruding assembly ear plate, and the assembly seat connecting device is connected to the assembly ear plate through an axis.

[0006] As a preferred technical solution, the door panel assembly seat includes a door panel assembly plate, the door panel assembly plate is provided with the assembly seat fixing hole, the door panel assembly plate is provided with an outwardly protruding connecting ear plate, and the assembly seat connecting device is rotatably installed with the connecting ear plate through two axes.

[0007] As a preferred technical solution, the assembly seat connecting device includes an assembly seat connecting plate, one end of the assembly seat connecting plate is rotatably connected to the wall panel assembly seat through the one axis, and the other end is rotatably connected to the door panel assembly seat through the two axes, and the end of the assembly seat connecting plate connected to the wall panel assembly seat is bent inward.

[0008] As a preferred technical solution, the assembly seat connecting plates are relatively arranged in two, and a connecting panel is fixed between the two assembly seat connecting plates, and the outer surface of the connecting panel is flush with the outer side surfaces of the assembly seat connecting plates on both sides.

[0009] As a preferred technical solution, the assembly seat connecting arm is arranged between the two assembly seat connecting plates and is located on the inner side of the connecting panel.

[0010] As an improvement to the above technical solution, the assembly seat connecting arm includes a connecting arm straight portion, one end of the connecting arm straight portion is provided with a first assembly portion bent inwardly, the first assembly portion is connected to the wall panel assembly seat through three-axis rotation, the other end of the connecting arm straight portion is provided with a second assembly portion bent outwardly, the second assembly portion is connected to the door panel assembly seat through four-axis rotation.

[0011] Due to the adoption of the above technical scheme, a semi-hidden four-link hinge structure of the cargo box side door is connected between the cargo box wall panel and the cargo box door panel, including a wall panel assembly seat fixedly connected to the cargo box wall panel, a door panel assembly seat fixedly connected to the cargo box door panel, assembly seat fixing holes are respectively provided through the wall panel assembly seat and the door panel assembly seat, a wall panel groove is provided on the outer surface of the cargo box wall panel, a door panel groove is provided at one end of the cargo box door panel facing the cargo box wall panel, the wall panel assembly seat is arranged in the wall panel groove, the door panel assembly seat is arranged in the door panel groove, an assembly seat connecting device is provided between the wall panel assembly seat and the door panel assembly seat, the assembly seat connecting device is rotatably connected to the wall panel assembly seat and the door panel assembly seat, and is connected to the assembly seat connecting device Correspondingly, an assembly seat connecting arm is provided, and the two ends of the assembly seat connecting arm are rotatably connected to the wall panel assembly seat and the door panel assembly seat respectively; the utility model has the following beneficial effects: after installation, only the outer surface of the assembly seat connecting device, a small part of the wall panel assembly seat and the outer surface of the door panel assembly seat are in an exposed state, and the rest are arranged in the corresponding grooves, thereby forming a semi-hidden installation method, thereby reducing the chance of contact with corrosive liquids, etc., helping to ensure its service life with the box body, and the overall structure is flush with the outer surfaces of the cargo box wall panels and cargo box door panels, so that the outer wall of the cargo box is neat and has no protruding points. When used for the cargo box side door, it can form an opening angle of 180°, and when used for the cargo box rear door, it can form an opening angle of nearly 270°. The opening angle is large and the installation and use are flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of another direction of the embodiment of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of another direction of the embodiment of the utility model;

[0016] Figure 4 It is a schematic diagram of the split structure of an embodiment of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the use state of an embodiment of the utility model;

[0018] In the figure: 1-wall panel assembly seat; 11-wall panel assembly plate; 12-assembly ear plate; 2-door panel assembly seat; 21-door panel assembly plate; 22-connecting ear plate; 3-assembly seat fixing hole; 4-assembly seat connecting device; 41-assembly seat connecting plate; 42-connecting panel; 5-assembly seat connecting arm; 51-connecting arm straight portion; 52-first assembly portion; 53-second assembly portion; 6-cargo box wall panel; 7-cargo box door panel; 8-wall panel groove; 9-door panel groove. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with the accompanying drawings and examples. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Needless to say, those skilled in the art will recognize that the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are illustrative in nature and are not intended to limit the scope of protection of the claims.

[0020] like Figures 1 to 5 As shown, the semi-hidden four-link hinge structure of the cargo box side door is connected between the cargo box wall panel 6 and the cargo box door panel 7 to realize the rotation installation of the cargo box door panel 7. It can be used to install a side door panel or a rear door panel. Specifically, it includes a wall panel assembly seat 1 fixedly connected to the cargo box wall panel 6, and a door panel assembly seat 2 fixedly connected to the cargo box door panel 7. Assembly seat fixing holes 3 are respectively provided through the wall panel assembly seat 1 and the door panel assembly seat 2. The fixed installation of the entire hinge structure is realized by the cooperation of the assembly seat fixing holes 3 and the bolts. The installation fixing point of the wall panel assembly seat 1 is set on the outer surface of the cargo box door panel 7, and the installation fixing point of the door panel assembly seat 2 is set on the side of the cargo box door panel 7 facing the cargo box wall panel 6.

[0021] In this embodiment, a wall panel groove 8 is provided on the outer surface of the cargo box wall panel 6, and a door panel groove 9 is provided on the end of the cargo box door panel 7 facing the cargo box wall panel 6. The wall panel assembly seat 1 is arranged in the wall panel groove 8, and the door panel assembly seat 2 is arranged in the door panel groove 9. After installation, most of the structure is located in the two grooves, and only the outer surface of the structure is exposed, thereby forming a semi-hidden installation method, thereby reducing the probability of the main structure contacting with corrosive liquids, etc., which helps to ensure its service life with the box body.

[0022] An assembly seat connection device 4 is provided between the wall panel assembly seat 1 and the door panel assembly seat 2. The assembly seat connection device 4 is rotatably connected to the wall panel assembly seat 1 and the door panel assembly seat 2, respectively. An assembly seat connection arm 5 is provided corresponding to the assembly seat connection device 4, and both ends of the assembly seat connection arm 5 are rotatably connected to the wall panel assembly seat 1 and the door panel assembly seat 2. When the cargo box door panel 7 is opened or closed, the position and angle between the wall panel assembly seat 1 and the door panel assembly seat 2 are adjusted under the cooperation of the assembly seat connection device 4 and the assembly seat connection arm 5, so that the door panel 7 can be successfully and fully opened.

[0023] Specifically, the wall panel assembly seat 1 includes a wall panel assembly plate 11, the wall panel assembly plate 11 is provided with the assembly seat fixing hole 3, the surface of the wall panel assembly plate 11 is attached to the cargo box wall panel 6, and the assembly seat fixing hole 3 is used to cooperate with the bolts to achieve its installation and fixation. The wall panel assembly plate 11 is provided with an outwardly protruding assembly ear plate 12, and the assembly seat connecting device 4 is connected to the assembly ear plate 12 through an axis. The door panel assembly seat 2 includes a door panel assembly plate 21, the door panel assembly plate 21 is provided with the assembly seat fixing hole 3, the surface of the door panel assembly plate 21 is attached to the cargo box door panel 7, and the assembly seat fixing hole 3 is used to cooperate with the bolts to achieve its installation and fixation. The door panel assembly plate 21 is provided with an outwardly protruding connecting ear plate 22, and the assembly seat connecting device 4 is rotatably installed with the connecting ear plate 22 through two axes. In this embodiment, the assembly ear plates 12 and the connecting ear plates 22 are respectively arranged in pairs, and an assembly gap is formed between the two correspondingly. Both ends of the assembly seat connecting arm 5 are arranged in the corresponding assembly gaps.

[0024] The assembly seat connecting device 4 of this embodiment includes an assembly seat connecting plate 41, one end of which is rotatably connected to the wall panel assembly seat 1 through the one axis. In fact, the assembly seat connecting plate 41 is assembled with the assembly ear plate 12, and the end of the assembly seat connecting plate 41 connected to the wall panel assembly seat 1 is bent inward, and the other end is rotatably connected to the door panel assembly seat 2 through the two axes. In fact, the assembly seat connecting plate 41 is assembled with the connecting ear plate 22, which can shorten the setting length of the assembly ear plate 12.

[0025] Specifically, the assembly seat connecting plates 41 are relatively arranged in two, and the ends of the two assembly seat connecting plates 41 are arranged on the outer sides of the corresponding two assembly ear plates 12, that is, the two connecting ear plates 22, and the rotational assembly is completed through the shaft respectively. A connecting panel 42 is fixed between the two assembly seat connecting plates 41, and the outer surface of the connecting panel 42 is flush with the outer surface of the assembly seat connecting plates 41 on both sides, and the connecting panel 42 forms an integrated structure with the two assembly seat connecting plates 41. After installation, the connecting panel 42, the surface of the two assembly seat connecting plates 41, the end surface of the two assembly ear plates 12, and the end surface of the two connecting ear plates 22 are in an exposed state, and the rest of the parts are arranged in the corresponding two grooves to form a semi-hidden installation structure. And due to the arrangement of the wall panel groove 8 and the door panel groove 9, the exposed part of the whole structure is flush with the outer surface of the cargo box wall panel 6 and the cargo box door panel 7, so that the outer wall of the cargo box is neat and has no protruding points, and the aesthetics is improved.

[0026] The assembly seat connecting arm 5 is arranged between the two assembly seat connecting plates 41 and located on the inner side of the connecting panel 42, that is, the connecting panel 42 and the two assembly seat connecting plates 41 surround the assembly seat connecting arm 5, so that the exposed part is relatively regular. The assembly seat connecting arm 5 includes a connecting arm straight portion 51, one end of which is provided with a first assembly portion 52 bent inwardly, the first assembly portion 52 is connected to the wall panel assembly seat 1 through three-axis rotation, that is, connected to the assembly ear plate 12, and the other end of the connecting arm straight portion 51 is provided with a second assembly portion 53 bent outwardly, the second assembly portion 53 is connected to the door panel assembly seat 2 through four-axis rotation, that is, connected to the connecting ear plate 22. Since the assembly ear plate 12 and the connecting ear plate 22 need to be connected to the assembly seat connecting arm 5 and the assembly seat connecting plate 41 at the same time, the width of the setting is relatively large, and the bending setting of the first assembly portion 52 and the second assembly portion 53 is to complete the assembly in order to adapt to the space.

[0027] After the assembly of this embodiment is completed, the wall panel assembly seat 1, the door panel assembly seat 2, the assembly seat connecting device 4 and the assembly seat connecting arm 5 form a similar four-link structure, which has good deformation ability and can well adapt to the position and angle changes formed by the opening and closing of the above-mentioned cargo box door panel 7. The cargo box door panel 7 can be arranged on the side of the cargo box to form a side-mounted door panel, or it can be arranged on the rear of the cargo box to form a rear-mounted door panel. When it is arranged to open at the side, it can form a 180° opening under the connection of the connecting ear plate 22. After opening, it can fit with the surface of the cargo box wall panel 6, and there is no contact and friction between the two and between each and the hinge structure, so no wear will be formed on any part of the cargo box. When it is arranged to open at the rear, combined with the rotation cooperation of other structures, it can form an opening angle of nearly 270°, with a large opening angle and flexible installation and use.

[0028] The description of the present invention is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present invention to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific uses.

Claims

1. The semi-hidden four-link hinge structure of the cargo box side door is connected between the cargo box wall panel and the cargo box door panel, and is characterized by: It includes a wall panel assembly seat fixedly connected to the cargo box wall panel, and a door panel assembly seat fixedly connected to the cargo box door panel, assembly seat fixing holes are respectively provided through the wall panel assembly seat and the door panel assembly seat, a wall panel groove is provided on the outer surface of the cargo box wall panel, and a door panel groove is provided on the end of the cargo box door panel facing the cargo box wall panel, the wall panel assembly seat is arranged in the wall panel groove, and the door panel assembly seat is arranged in the door panel groove, an assembly seat connecting device is provided between the wall panel assembly seat and the door panel assembly seat, the assembly seat connecting device is respectively rotatably connected to the wall panel assembly seat and the door panel assembly seat, an assembly seat connecting arm is provided corresponding to the assembly seat connecting device, and two ends of the assembly seat connecting arm are respectively rotatably connected to the wall panel assembly seat and the door panel assembly seat.

2. The semi-hidden four-link hinge structure for the cargo box side door as claimed in claim 1, characterized in that: The wall panel assembly seat comprises a wall panel assembly plate, the wall panel assembly plate is provided with the assembly seat fixing hole, the wall panel assembly plate is provided with an outwardly protruding assembly ear plate, and the assembly seat connecting device is connected to the assembly ear plate via a shaft.

3. The semi-hidden four-link hinge structure for the cargo box side door as claimed in claim 2, characterized in that: The door panel assembly seat comprises a door panel assembly plate, the door panel assembly plate is provided with the assembly seat fixing hole, the door panel assembly plate is provided with a connecting ear plate protruding outward, and the assembly seat connecting device is rotatably installed with the connecting ear plate through two shafts.

4. The semi-hidden four-link hinge structure for the cargo box side door as claimed in claim 3, characterized in that: The assembly seat connection device includes an assembly seat connection plate, one end of which is rotatably connected to the wall panel assembly seat through the one axis, and the other end is rotatably connected to the door panel assembly seat through the two axes, and the end of the assembly seat connection plate connected to the wall panel assembly seat is bent inwardly.

5. The semi-hidden four-link hinge structure for the cargo box side door as claimed in claim 4, characterized in that: The assembly seat connecting plates are relatively arranged in two, and a connecting panel is fixed between the two assembly seat connecting plates, and the outer surface of the connecting panel is flush with the outer side surfaces of the assembly seat connecting plates on both sides.

6. The semi-hidden four-link hinge structure for the cargo box side door as claimed in claim 5, characterized in that: The assembly seat connecting arm is arranged between the two assembly seat connecting plates and is located on the inner side of the connecting panel.

7. The semi-hidden four-link hinge structure for the cargo box side door as claimed in claim 6, characterized in that: The assembly seat connecting arm includes a connecting arm straight portion, one end of the connecting arm straight portion is provided with a first assembly portion bent inwardly, the first assembly portion is connected to the wall panel assembly seat through three-axis rotation, the other end of the connecting arm straight portion is provided with a second assembly portion bent outwardly, the second assembly portion is connected to the door panel assembly seat through four-axis rotation.

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