Door plate assembly and compartment body assembly

Abstract

The utility model discloses a door plate assembly and a compartment body assembly. The door plate assembly comprises a door frame and a door plate. A square-frame-shaped door opening is defined by the door frame. One side of the door plate is hinged to the door frame and used for opening or closing the door opening, the periphery of the door plate is bent inwards to form a bent section, the end, away from the door plate, of the bent section is turned up in the direction close to the door plate to form a turned-up part, and the turned-up part is attached to the inner wall of the bent section. The turning parts are formed on the bending sections formed by bending the periphery of the door plate inwards, so that the complexity of the section shape of the door plate is further improved, the bending resistance of the periphery of the door plate is enhanced, the structural strength of the door plate is improved, and deformation of the door plate caused by external force after long-term use is effectively resisted. The turnup part is attached to the inner wall of the bent section, and the edge strength of the door plate structure is further improved. The periphery of the door plate is bent inwards, so that the door plate can be better matched with a door frame, the sealing performance of the door plate is improved, and dust, moisture, gas and the like are effectively prevented from invading.

Description

Technical Field

[0001] This application relates to the field of cargo box assembly, and particularly to a door panel assembly and a cargo box assembly. Background Technology

[0002] A truck cargo box typically consists of door panels, a front panel assembly, side panel assemblies, a floor assembly, and a roof assembly. Existing truck cargo boxes consistently suffer from insufficient strength and waterproofing. Specifically, the door panel assembly suffers from inadequate structural strength, leading to edge deformation over time and allowing rainwater to seep into the cargo box. Utility Model Content

[0003] To address the aforementioned issues, this application provides a door panel assembly and a body assembly.

[0004] According to one aspect of the embodiments of this application, a door panel assembly is disclosed, including a door frame and a door panel;

[0005] The door frame forms a square-shaped doorway; one side of the door panel is hinged to the door frame for opening or closing the doorway; the four sides of the door panel are bent inward to form a bent section; the end of the bent section away from the door panel is rolled up towards the door panel to form a rolled-up part; the rolled-up part is attached to the inner wall of the bent section.

[0006] In one exemplary embodiment, the door panel assembly further includes:

[0007] A first reinforcing beam is arranged circumferentially around the door panel; the first reinforcing beam is located on the inner side of the door panel;

[0008] The first reinforcing beam includes a first hollow section with a C-shaped cross-section and two first connecting wing plates connected to the two sides of the first hollow section. The two first connecting wing plates extend in a direction away from each other. The opening of the first hollow section faces the door panel, and the two first connecting wing plates are respectively connected to the door panel.

[0009] In one exemplary embodiment, the door panel assembly further includes:

[0010] Multiple second reinforcing beams extend laterally and are vertically spaced on the inner side of the door panel;

[0011] The second reinforcing beam includes a second hollow section with a C-shaped cross-section and two second connecting wing plates connected to the two sides of the second hollow section. The two second connecting wing plates extend in a direction away from each other. The opening of the second hollow section faces the door panel, and the two second connecting wing plates are respectively connected to the door panel.

[0012] In an exemplary embodiment, the door frame includes a frame body and an extension, the extension being located on the inner side of the frame body and extending toward the center of the frame body and passing over and covering the bending section, and a first sealing strip being fitted on the top side of the frame body and the side edges of the extension corresponding to the horizontally opposite sides.

[0013] The number of door panels is two, and the opposite sides of the two door panels are respectively hinged to the opposite sides of the frame. The inner side of the door panel is provided with a waterproof part, which extends towards the other door panel and passes over and covers the bending section where the two door panels are close to each other. A second sealing strip is fitted on the side of the waterproof part near the other door panel.

[0014] According to one aspect of the embodiments of this application, a body assembly is disclosed, including a door panel assembly and a front panel assembly arranged longitudinally at intervals, two side panel assemblies arranged laterally at intervals, and a bottom plate assembly and a top plate assembly arranged vertically at intervals. The door panel assembly, the front plate assembly, the two side plate assemblies, the bottom plate assembly, and the top plate assembly together constitute the body structure.

[0015] The door panel assembly is the aforementioned door panel assembly.

[0016] In one exemplary embodiment, the side panel assembly includes:

[0017] The side panel includes multiple splicing panel units arranged sequentially along the longitudinal direction. The inner side of each splicing panel unit is provided with a first fastening part and a second fastening part on both sides along the longitudinal direction. Between two adjacent splicing panel units along the longitudinal direction, the first fastening part of one splicing panel unit and the second fastening part of the other splicing panel unit are fastened to each other.

[0018] Multiple third reinforcing beams are arranged vertically and longitudinally at intervals on the inner side of the splicing plate unit.

[0019] In one exemplary embodiment, the first fastening portion is formed by bending inward from one side of the splicing plate unit to form an L-shaped structure, and the second fastening portion is formed by bending inward from the other side of the splicing plate unit to form an L-shaped structure. When two adjacent splicing plate units are fastened together, the first fastening portion of one splicing plate unit covers the second fastening portion of the other splicing plate unit, and the first fastening portion and the second fastening portion are welded together; and / or

[0020] The third reinforcing beam includes a third hollow section with a C-shaped cross-section and two third connecting wing plates connected to the two sides of the third hollow section. The two third connecting wing plates extend in a direction away from each other. The opening of the third hollow section faces the splicing plate unit, and the two third connecting wing plates are respectively connected to the splicing plate unit.

[0021] In one exemplary embodiment, the top panel assembly includes a top panel, the front panel assembly includes a front panel, the side panel assembly includes side panels, and the body assembly further includes:

[0022] An installation beam is provided on the side bottom surface of the top plate. The installation beam includes a first installation part at the top, a second installation part at the bottom, and an arc panel connecting the top of the first installation part and the outer side of the second installation part. The top of the first installation part is used to place and seal the top plate. The second installation part has a bottom plane. The opening of the arc panel faces inward. The bottom end of the arc panel extends downward beyond the bottom plane of the second installation part to form a waterproof baffle.

[0023] A mounting bracket is disposed on the top edge of a carriage panel, wherein the carriage panel includes at least one of the side panel and the front panel. The mounting bracket includes a third mounting part and a fourth mounting part. The third mounting part is connected to the top edge of the carriage panel and fits against the bottom plane of the second mounting part. The fourth mounting part is connected to the inner side of the third mounting part and is bent upward relative to the third mounting part. The fourth mounting part is riveted to the inner side of the mounting beam.

[0024] In one exemplary embodiment, the mounting bracket further includes a fifth mounting portion, which is connected to the outer side of the third mounting portion and bent downward relative to the third mounting portion. The inner side of the fifth mounting portion is connected to the outer side of the carriage panel, and the outer side of the fifth mounting portion is opposite to the inner side of the waterproof baffle.

[0025] The waterproof baffle extends downward beyond the bottom end of the fifth mounting part, and the bottom end of the waterproof baffle is sealed to the outer wall of the carriage panel.

[0026] In one exemplary embodiment, the base plate assembly includes:

[0027] Base plate;

[0028] Multiple crossbeams extend laterally and are arranged longitudinally at intervals on the bottom surface of the base plate;

[0029] Multiple longitudinal beams, which extend longitudinally and are arranged sequentially at intervals along the transverse direction at the bottom of the crossbeam;

[0030] Multiple connecting plates, each connecting plate including a first plate and a second plate bent together, the first plate being connected to the side of a crossbeam and the second plate being connected to the side of a longitudinal beam, with reinforcing ribs provided between the included surfaces of the first plate and the second plate.

[0031] In one exemplary embodiment, the surfaces of the first plate and the second plate both extend in a vertical plane; the upper part of the surface of the first plate is attached to and bolted to the side of the crossbeam arranged vertically; the lower part of the surface of the second plate is attached to and bolted to the side of the longitudinal beam arranged vertically.

[0032] At least two reinforcing ribs are provided at intervals along the bending extension direction between the first plate and the second plate;

[0033] The first plate is provided with a plurality of first bolt holes, at least two of the first bolt holes are arranged vertically at intervals, and a reinforcing rib is provided between two adjacent first bolt holes in the vertical direction;

[0034] The second plate is provided with a plurality of second bolt holes, at least two of which are arranged vertically at intervals, and a reinforcing rib is provided between two adjacent second bolt holes along the vertical direction.

[0035] The technical solutions provided by the embodiments of this application have at least the following beneficial effects:

[0036] The door panel assembly and body assembly disclosed in this application further increase the complexity of the door panel's cross-sectional shape by forming rolled sections on the bent sections formed by bending the four perimeters of the door panel inwards. This increases the moment of inertia of the door panel's edges, enhances the bending resistance of the four perimeters, improves the structural strength of the door panel, and effectively resists deformation caused by external forces during long-term use. The rolled sections fit snugly against the inner walls of the bent sections, further improving the edge strength of the door panel structure. In addition, the inward bending of the four perimeters of the door panel allows for better fit with the door frame, improving the door panel's sealing performance and effectively preventing the intrusion of dust, moisture, and gases.

[0037] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit this application. Attached Figure Description

[0038] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the specification, serve to explain the principles of this application.

[0039] Figure 1 This is an exploded structural diagram of a compartment assembly provided in one embodiment of this application.

[0040] Figure 2 A front view of a door panel assembly provided in an embodiment of this application.

[0041] Figure 3 This is an enlarged view of a partial structure of a door panel and door frame provided in an embodiment of this application.

[0042] Figure 4 For along Figure 2 Cross-sectional view along the AA direction.

[0043] Figure 5 for Figure 4 A magnified view of a portion of area A in the middle.

[0044] Figure 6 To show Figure 4 A magnified view of a section in area B.

[0045] Figure 7 This is a cross-sectional structural diagram of the door panel assembly with respect to the second reinforcing beam, provided in an embodiment of this application.

[0046] Figure 8 This is a structural diagram of a splicing panel unit provided in an embodiment of this application.

[0047] Figure 9 This is a partial structural diagram of a side plate provided in one embodiment of this application.

[0048] Figure 10 This is a partial structural diagram of a base plate assembly provided in an embodiment of this application.

[0049] Figure 11 This is a partial schematic diagram of the connection structure between the top plate assembly and the side plate assembly (or the front plate assembly) provided in an embodiment of this application.

[0050] The reference numerals in the attached drawings are explained as follows: 1-Body assembly, 11-Door panel assembly, 111-Door frame, 1111-Frame body, 1112-Extension, 1113-First sealing strip, 112-Door panel, 1121-Bending section, 1122-Roll-up section, 1123-Waterproof section, 1124-Second sealing strip, 113-First reinforcing beam, 1131-First hollow section, 1132-First connecting wing plate, 114-Second reinforcing beam, 1141-Second hollow section, 1142-Second connecting wing plate, 12-Side panel assembly, 121-Side panel, 1211-Splicing panel unit, 1212-First fastening part, 1213-Second fastening part, 122-Third reinforcing beam, 1221-Third... Hollow section, 1222-Third connecting wing plate, 13-Base plate assembly, 131-Base plate, 132-Crossbeam, 133-Longitudinal beam, 134-Connecting plate, 1341-First plate, 13411-First bolt hole, 1342-Second plate, 13421-Second bolt hole, 135-Reinforcing rib, 14-Top plate assembly, 141-Top plate, 15-Front plate assembly, 151-Front plate, 16-Mounting beam, 161-First mounting part, 162-Second mounting part, 1621-Bottom plane, 163-Arc panel, 1631-Waterproof baffle, 17-Mounting bracket, 171-Third mounting part, 172-Fourth mounting part, 1721-Rivet hole, 173-Fifth mounting part. Detailed Implementation

[0051] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, they are provided so that the description of this application will be more complete and fully convey the concept of the exemplary embodiments to those skilled in the art.

[0052] In the description of this utility model, all the connection relationships mentioned do not refer to direct connection of components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this utility model can be combined interactively without contradicting each other.

[0053] In the description of this utility model, unless otherwise explicitly defined, terms such as setting, installing, and connecting should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0054] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0055] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than", "less than", "exceeding" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself.

[0056] Figure 1 An exploded structural diagram of the compartment assembly 1 of this application is shown.

[0057] This application provides a cargo box assembly 1, which can be applied to a truck cargo box, including a door panel assembly 11, a front panel assembly 15, two side panel assemblies 12, a floor assembly 13, and a top panel assembly 14 that together form the cargo box structure. The interior of the cargo box assembly 1 can be used to load goods. For ease of description, the length direction of the cargo box assembly 1 is referred to as the longitudinal direction, the width direction as the transverse direction, and the height direction as the vertical direction. The longitudinal and transverse directions are perpendicular to each other in the horizontal plane. The door panel assembly 11 and the front panel assembly 15 are spaced apart longitudinally, the two side panel assemblies 12 are spaced apart transversely, and the floor assembly 13 and the top panel assembly 14 are spaced apart vertically.

[0058] Figure 2 A front view of the door panel assembly 11 of this application is shown. Figure 3 A partial enlarged view of the door panel and door frame of this application is shown. Figure 4 It shows along Figure 2 Cross-sectional view along the AA direction. Figure 5 It shows Figure 4 A magnified view of a portion of area A in the middle. Figure 6 It shows Figure 4 A magnified view of a section in area B.

[0059] This application provides a door panel assembly 11 that can be used to open or close the interior of the compartment assembly 1.

[0060] Reference Figures 2 to 6 The door panel assembly 11 of this application includes a door frame 111 and a door panel 112. The door frame 111 forms a rectangular door opening. One side of the door panel 112 is hinged to the door frame 111 for opening or closing the door opening. The four perimeters of the door panel 112 are bent inward to form a bent section 1121. The end of the bent section 1121 away from the door panel 112 is rolled up towards the door panel 112 to form a rolled-up portion 1122, which fits against the inner wall of the bent section 1121. It should be noted that the inward direction refers to the direction towards the interior of the body assembly 1.

[0061] By forming rolled sections 1122 on the bent sections 1121 formed by bending the four peripheries of the door panel 112 inwards, the complexity of the cross-sectional shape of the door panel 112 is further increased, thereby increasing the moment of inertia of the door panel 112 edges, enhancing the bending resistance of the four peripheries of the door panel 112, improving the structural strength of the door panel 112, and effectively resisting deformation of the door panel 112 caused by external forces during long-term use. The rolled sections 1122 fit snugly against the inner wall of the bent sections 1121, further improving the edge strength of the door panel 112 structure. In addition, the inward bending of the four peripheries of the door panel 112 allows for better fit with the door frame 111, improving the sealing performance of the door panel 112 and effectively preventing the intrusion of dust, moisture, and gases.

[0062] The rolled-up portion 1122 is formed by rolling up from the end of the bent section 1121 away from the door panel 112. Specifically, the rolled-up portion 1122 can be formed by bending back from the end of the bent section 1121 again, or by rolling up from the end of the bent section 1121. Figure 4 In the embodiment shown, the rolled portion 1122 after the end of the bending section 1121 is bent fits against the inner wall of the bending section 1121 and extends toward the door panel 112, further improving the structural strength of the bending section 1121.

[0063] To further enhance the structural strength of the door panel 112, the body assembly 1 also includes a first reinforcing beam 113 arranged circumferentially around the door panel 112. The first reinforcing beam 113 is arranged around the four edges of the door panel 112, further enhancing the strength of the edges of the door panel 112. In this embodiment, the first reinforcing beam 113 is located on the inner side of the door panel 112, improving the aesthetics of the door panel assembly 11.

[0064] Specifically, the first reinforcing beam 113 includes a C-shaped hollow section 1131 and two first connecting flanges 1132 connected to both sides of the hollow section 1131. The two first connecting flanges 1132 extend in a direction away from each other. The opening of the hollow section 1131 faces the door panel 112, and the two first connecting flanges 1132 are respectively connected to the door panel 112. The first reinforcing beam 113 forms a Z-shaped cross-section structure through the C-shaped hollow section 1131 and the first connecting flanges 1132 connected to both sides of the hollow section 1131, which has strong bending and torsional resistance and can withstand large loads and deformations. The opening of the hollow section 1131 faces the door panel 112 to avoid exposure, and the first connecting flanges 1132 facilitate welding the first reinforcing beam 113 to the door panel 112.

[0065] Figure 7 A cross-sectional view of the second reinforcing beam 114 of the door panel assembly 11 is shown.

[0066] To further improve the structural strength of door panel 112, refer to Figure 7 The body assembly 1 also includes multiple second reinforcing beams 114, which extend laterally and are vertically spaced on the inner side of the door panel 112. The multiple second reinforcing beams 114 are located in the middle of the door panel 112, improving the overall structural strength of the door panel 112. A first reinforcing beam 113 is located on the inner side of the door panel 112, improving the aesthetics of the door panel assembly 11. In this embodiment, both ends of the second reinforcing beams 114 extend to the first reinforcing beams 113 located on the lateral sides of the door panel 112.

[0067] Specifically, the second reinforcing beam 114 includes a C-shaped hollow section 1141 and two second connecting flanges 1142 connected to both sides of the hollow section 1141. The two connecting flanges 1142 extend in a direction away from each other, and the opening of the hollow section 1141 faces the door panel 112. The two connecting flanges 1142 are respectively connected to the door panel 112. The second reinforcing beam 114 forms a Z-shaped cross-section structure through the C-shaped hollow section 1141 and the connecting flanges 1142 connected to both sides of the hollow section 1141, which has strong bending and torsional resistance and can withstand large loads and deformations. The opening of the hollow section 1141 faces the door panel 112 to avoid exposure and improve aesthetics. The connecting flanges 1142 facilitate welding the second reinforcing beam 114 to the door panel 112.

[0068] In addition, the shapes of the first reinforcing beam 113 and the second reinforcing beam 114 can both be integrally formed by bending.

[0069] Furthermore, refer to Figure 5 To improve the waterproof performance of the door panel assembly 11, the door frame 111 includes a frame body 1111 and an extension 1112. The extension 1112 is located on the inner side of the frame body 1111 and extends towards the center of the frame body 1111, passing over and blocking the bending section 1121. The frame body 1111 can form a square-shaped door opening. The extension 1112 extends towards the center of the frame body 1111, i.e., towards the center of the door opening, so that the extension 1112 can block the bending section 1121 of the door panel 112. The edge of the extension 1112 is offset from the edge of the door panel 112, which can prevent rainwater and dust from entering the interior of the body assembly 1. In this embodiment, the extension 1112 is L-shaped. One side of the extension 1112 bends inward from the inner periphery of the frame 1111, so that the other side of the extension 1112 can be extended backward around the bending section 1121 of the door panel 112 and approach the center of the door opening. The bending section 1121 of the door panel 112 and the other side of the extension 1112 are spaced apart and opposite to each other.

[0070] A first sealing strip 1113 is fitted on the top side of the frame 1111 and the sides of the corresponding horizontal extensions 1112 on both sides. The first sealing strip 1113 is located on the side of the extension 1112 away from the extension edge of the frame 1111. The first sealing strip 1113 can further prevent rainwater and dust from entering the interior of the box structure and reduce water seepage.

[0071] Furthermore, in combination Figure 2 and Figure 6There are two door panels 112. The opposite sides of the two door panels 112 are hinged to the opposite sides of the frame 1111. The inner side of the door panel 112 is provided with a waterproof part 1123. The waterproof part 1123 extends towards the other door panel 112 and passes over and covers the bending section 1121 where the two door panels 112 are close to each other. The waterproof part 1123 is located on the inner side of one door panel 112 near the other door panel 112 and extends to the other door panel 112, covering the bending section 1121 where the two door panels 112 are close to each other. It can cover the gap between the two door panels 112 and prevent rainwater and dust from entering the interior of the body structure. In this embodiment, the waterproof part 1123 is L-shaped. One side of the waterproof part 1123 is connected to the inner sidewall of the door panel 112 and extends inward. The other side of the waterproof part 1123 can be bent relative to one side of the waterproof part 1123 to form an L-shape. The other side of the waterproof part 1123 can be extended backward around the bending section 1121 of the door panel 112 and extend towards another door panel 112. The bending sections 1121 of the two door panels 112 that are close to each other are spaced apart from the other side of the waterproof part 1123.

[0072] A second sealing strip 1124 is fitted on the side of the waterproof part 1123 near the other door panel 112. The second sealing strip 1124 can further prevent rainwater and dust from entering the interior of the body assembly, reducing water leakage. In this embodiment, the second sealing strip 1124 extends vertically, with its upper end extending to the first sealing strip 1113 on the top side of the frame 1111, and its lower end extending to the bottom side of the frame 1111.

[0073] Figure 8 A structural diagram of the splicing panel unit 1211 is shown. Figure 9 A partial structural diagram of side plate 121 is shown.

[0074] Combination Figure 1 , Figure 8 and Figure 9 The side panel assembly 12 of this application includes a side panel 121. The side panel 121 includes a plurality of splicing plate units 1211 arranged sequentially along the longitudinal direction. The inner sides of each splicing plate unit 1211 are provided with a first fastening portion 1212 and a second fastening portion 1213 on both sides along the longitudinal direction. Between two adjacent splicing plate units 1211 along the longitudinal direction, the first fastening portion 1212 of one splicing plate unit 1211 and the second fastening portion 1213 of the other splicing plate unit 1211 are fastened together. Adjacent splicing plate units 1211 can be connected by the first fastening portion 1212 and the second fastening portion 1213, reducing the splicing weld seams on the outer surface of the splicing plate units 1211 and improving aesthetics.

[0075] Specifically, the first fastening part 1212 is formed by bending one side of the splicing plate unit 1211 inward to form an L-shaped structure, and the second fastening part 1213 is formed by bending the other side of the splicing plate unit 1211 inward to form an L-shaped structure. When two adjacent splicing plate units 1211 are fastened together, the first fastening part 1212 of one splicing plate unit 1211 covers the second fastening part 1213 of the other splicing plate unit 1211, and the first fastening part 1212 and the second fastening part 1213 are welded together.

[0076] Two adjacent splicing plate units 1211 are joined by welding through a first fastening part 1212 and a second fastening part 1213, avoiding exposed weld seams and improving aesthetics. Simultaneously, the L-shaped first fastening part 1212 and the L-shaped second fastening part 1213 interlock, with their surfaces touching, increasing the welding area, improving welding strength, and reducing cracking or deformation at the weld position. Furthermore, the L-shaped first fastening part 1212 and the second fastening part 1213 enhance the strength of both sides of the splicing plate unit 1211, reducing deformation. The side plate 121 formed by splicing multiple splicing plate units 1211 has high overall rigidity and strong impact and deformation resistance.

[0077] In addition, the first fastening part 1212 and the second fastening part 1213 can also be other matching shapes or structures, or snap-fit ​​structures.

[0078] The side panel assembly 12 of this application also includes a plurality of third reinforcing beams 122. The third reinforcing beams 122 extend vertically, and the plurality of third reinforcing beams 122 are arranged longitudinally at intervals on the inner side of the splicing plate unit 1211. The third reinforcing beams 122 are welded to the inner side of the splicing plate unit 1211, which improves the aesthetics and can further improve the structural strength of the splicing plate unit 1211.

[0079] Specifically, the third reinforcing beam 122 includes a C-shaped hollow section 1221 and two third connecting flanges 1222 connected to both sides of the hollow section 1221. The two connecting flanges 1222 extend in a direction away from each other. The opening of the hollow section 1221 faces the splicing plate unit 1211, and the two connecting flanges 1222 are respectively connected to the splicing plate unit 1211. The third reinforcing beam 122 forms a Z-shaped cross-section structure through the C-shaped hollow section 1221 and the connecting flanges 1222 connected to both sides of the hollow section 1221, which has strong bending and torsional resistance and can withstand large loads and deformations. The opening of the hollow section 1221 faces the splicing plate unit 1211 to avoid exposure and improve aesthetics. The connecting flanges 1222 facilitate welding the third reinforcing beam 122 onto the door panel 112.

[0080] Figure 10 A partial structural diagram of the base plate assembly 13 is shown.

[0081] Reference Figure 10 The base plate assembly 13 of this application includes a base plate 131, multiple crossbeams 132, multiple longitudinal beams 133, and multiple connecting plates 134.

[0082] Multiple crossbeams 132 extend laterally and are arranged longitudinally at intervals on the bottom surface of the base plate 131. Multiple longitudinal beams 133 extend longitudinally and are arranged laterally at intervals at the bottom of the crossbeams 132. Multiple connecting plates 134 are used to connect the crossbeams 132 and the longitudinal beams 133. The connecting plate 134 includes a first plate 1341 and a second plate 1342 bent together. The first plate 1341 is connected to the side of a crossbeam 132, and the second plate 1342 is connected to the side of a longitudinal beam 133. A reinforcing rib 135 is provided between the included surfaces of the first plate 1341 and the second plate 1342.

[0083] By setting reinforcing ribs 135 between the first plate 1341 connecting the crossbeam 132 and the second plate 1342 connecting the longitudinal beam 133, the structural strength of the connecting plate 134 is improved, thereby strengthening the connection between the longitudinal beam 133 and the crossbeam 132 and enhancing the load-bearing structural rigidity of the base plate 131.

[0084] Furthermore, the connecting plate 134 extends vertically, with its upper part connecting to the side of the crossbeam 132 and its lower part connecting to the side of the longitudinal beam 133. Specifically, the surfaces of the first plate 1341 and the second plate 1342 both extend vertically. The upper part of the first plate 1341 is attached to the side of the crossbeam 132 along its vertical orientation with bolts. The lower part of the second plate 1342 is attached to the side of the longitudinal beam 133 along its vertical orientation with bolts. The connecting plate 134 is connected to the crossbeam 132 and the longitudinal beam 133 by bolts, and its fatigue strength under dynamic loads is generally superior to that of welding. To avoid weld cracking caused by cyclic loading, bolted connections improve the strength of the longitudinal beam 133 mounted on the crossbeam 132, thereby increasing the load-bearing capacity of the longitudinal beam 133 and allowing multiple U-bolts to be suspended from the bottom of the longitudinal beam 133.

[0085] Furthermore, at least two reinforcing ribs 135 are provided at intervals along the bending extension direction between the first plate 1341 and the second plate 1342. The connection plate 134 is provided with two or more reinforcing ribs 135, further improving the structural strength of the connection plate 134 and maintaining the bending angle of the first plate 1341 and the second plate 1342. The reinforcing ribs 135 of this application are integrally molded at the bending position of the connection plate 134, thereby improving the structural strength of the connection plate 134. Alternatively, the reinforcing ribs 135 can also be welded between the first plate 1341 and the second plate 1342.

[0086] Furthermore, the first plate 1341 is provided with a plurality of first bolt holes 13411. Bolts can pass through the first bolt holes 13411 to lock the first plate 1341 to the crossbeam 132. The plurality of first bolt holes 13411 increases the connection positions between the first plate 1341 and the crossbeam 132, thereby improving the connection stability between the first plate 1341 and the crossbeam 132.

[0087] Specifically, at least two first bolt holes 13411 are arranged vertically at intervals, and a reinforcing rib 135 is provided between two adjacent first bolt holes 13411 vertically. The reinforcing rib 135 can effectively distribute and transfer the load on the two adjacent connecting bolts, prevent the first bolt holes 13411 from deforming or cracking due to external forces or excessive internal stress, reduce local stress concentration, enhance the stability and load-bearing capacity of the connecting parts, and thus improve the load-bearing capacity of the longitudinal beam 133.

[0088] The second plate 1342 is provided with multiple second bolt holes 13421. Bolts can pass through the second bolt holes 13421 to lock the second plate 1342 to the longitudinal beam 133. The multiple second bolt holes 13421 increase the number of connection points between the second plate 1342 and the longitudinal beam 133, thereby improving the connection stability between the second plate 1342 and the longitudinal beam 133.

[0089] At least two second bolt holes 13421 are arranged vertically at intervals, and a reinforcing rib 135 is provided between two adjacent second bolt holes 13421 vertically. The reinforcing rib 135 can effectively distribute and transfer the load on the two adjacent connecting bolts, prevent the second bolt holes 13421 from deforming or cracking due to external forces or excessive internal stress, reduce local stress concentration, enhance the stability and load-bearing capacity of the connector, and thus improve the load-bearing capacity of the longitudinal beam 133.

[0090] Figure 11 A partial schematic diagram of the connection structure between the top plate assembly 14 and the side plate assembly 12 (or the front plate assembly 15) is shown.

[0091] Reference Figure 11The top panel assembly 14 includes a top panel 141, the front panel assembly 15 includes a front panel 151, and the side panel assembly 12 includes a side panel 121. The body assembly 1 of this application also includes a mounting beam 16 and a mounting bracket 17. The mounting beam 16 is disposed on the bottom side surface of the top panel 141. The mounting bracket 17 is disposed on the top edge of the body panel, wherein the body panel includes at least one of the side panel 121 and the front panel 151, and the mounting bracket 17 provides a position for the side panel 121 and the front panel 151 to be installed together. The top panel 141 is spliced ​​and installed with the mounting beam 16 and the mounting bracket 17, thereby enabling the top panel assembly 14 and the side panel assembly 12, or the top panel assembly 14 and the front panel assembly 15, to be installed together.

[0092] Mounting beam 16 includes a first mounting portion 161 at the top, a second mounting portion 162 at the bottom, and an arc panel 163 connecting the top of the first mounting portion 161 and the outer side of the second mounting portion 162. The top of the first mounting portion 161 is used to place and seal the top plate 141. The second mounting portion 162 has a bottom plane 1621. The opening of the arc panel 163 faces inward, and the bottom end of the arc panel 163 extends downward beyond the bottom plane 1621 of the second mounting portion 162 to form a waterproof baffle 1631. Mounting bracket 17 includes a third mounting portion 171 and a fourth mounting portion 172. The third mounting portion 171 is connected to the top edge of the carriage panel and fits against the bottom plane 1621 of the second mounting portion 162. The fourth mounting portion 172 is connected to the inner side of the third mounting portion 171 and is bent upward relative to the third mounting portion 171. The fourth mounting portion 172 is riveted to the inner side of the mounting beam 16.

[0093] Specifically, the bottom plane 1621 of the second mounting part 162 of the mounting beam 16 is fitted with the third mounting part 171 of the mounting frame 17. The third mounting part 171 can bear the load transmitted by the top plate 141 through the bottom plane 1621 of the mounting beam 16. The third mounting part 171 and the fourth mounting part 172 are bent together, and the inner side of the mounting beam 16 is riveted to the fourth mounting part 172 of the mounting frame 17. This allows the mounting beam 16 and the mounting frame 17 to be assembled, positioned and connected through a stepped structure, improving the stability of the connection structure between the front plate 151 and the side plate 121 or the front plate 151 respectively. At the same time, the riveting hole 1721 of the fourth mounting part 172 is located on the inner side, avoiding exposure of the riveting structure and improving waterproof performance. Furthermore, the waterproof baffle 1631 is formed on the outside of the second mounting part 162, and the waterproof baffle 1631 extends downward beyond the bottom plane 1621 of the second mounting part 162, so that the waterproof baffle 1631 can prevent rainwater from seeping into the carriage structure through the gap between the second mounting part 162 and the third mounting part 171. Through the cooperative design of the mounting beam 16 and the mounting bracket 17, the waterproof performance can be further improved.

[0094] In this embodiment, the top surface of the first mounting portion 161 of the mounting beam 16 is welded to the bottom edge of the top plate 141. The bottom surface of the third mounting portion 171 of the mounting bracket 17 is welded to the top side of the carriage panel. In fact, the mounting beam 16 can be integrally bent to form a closed structure. Specifically, the bottom of the arc panel 163 is bent upward to form a waterproof baffle 1631, improving the structural strength of the waterproof baffle 1631. The top of the waterproof baffle 1631 is bent towards the inside of the carriage to form the bottom plane 1621 of the second mounting portion 162. The bottom plane 1621 is bent upward from the inside to form the inner wall of the mounting beam 16. The first mounting portion 161 is formed above the inner wall of the mounting beam 16. The arc panel 163 is connected between the top surface of the first mounting portion 161 and the outer side of the second mounting portion 162.

[0095] Furthermore, the mounting bracket 17 also includes a fifth mounting part 173, which is connected to the outer side of the third mounting part 171 and bent downward relative to the third mounting part 171. The inner side of the fifth mounting part 173 is connected to the outer side of the carriage panel, and the outer side of the fifth mounting part 173 is opposite to the inner side of the waterproof baffle 1631.

[0096] Specifically, the third mounting part 171, the fourth mounting part 172, and the fifth mounting part 173 form a Z-shaped bending structure. The inner side of the fifth mounting part 173 is welded to the outer side of the carriage panel, which improves the connection stability of the mounting bracket 17 to the top of the carriage panel.

[0097] Furthermore, the waterproof baffle 1631 extends downward beyond the bottom end of the fifth mounting portion 173, and the bottom end of the waterproof baffle 1631 is sealed to the outer wall of the carriage panel. This reduces the exposed gaps between the waterproof baffle 1631 and the side panel 121 or the outer wall of the front panel 151, further reducing rainwater infiltration. When the fourth mounting portion 172 and the mounting beam 16 are riveted, the outer wall of the fifth mounting portion 173 can automatically fit against the inner wall of the waterproof baffle 1631.

[0098] Furthermore, in this embodiment, both the front panel assembly 15 and the side panel assembly 12 are connected to the top panel assembly 14 via the mounting bracket 17 and the mounting beam 16. The inner surfaces of both the front panel 151 and the top panel 141 can be reinforced by providing reinforcing beams.

[0099] This application improves the structural strength and waterproof performance of the body assembly 1 by modifying the structure of the door panel assembly 11, the side panel assembly 12, the bottom panel assembly 13, and the installation structure of the top panel assembly 14 with the side panel assembly 12 and the front panel assembly 15, respectively.

[0100] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the utility models disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the appended claims.

Claims

1. A door panel assembly, characterized in that, Including the door frame and door panel; The door frame forms a square-shaped doorway; one side of the door panel is hinged to the door frame for opening or closing the doorway; the four sides of the door panel are bent inward to form a bent section; the end of the bent section away from the door panel is rolled up towards the door panel to form a rolled-up part; the rolled-up part is attached to the inner wall of the bent section.

2. The door panel assembly according to claim 1, characterized in that, Also includes: A first reinforcing beam is arranged circumferentially around the door panel; the first reinforcing beam is located on the inner side of the door panel; The first reinforcing beam includes a first hollow section with a C-shaped cross-section and two first connecting wing plates connected to the two sides of the first hollow section. The two first connecting wing plates extend in a direction away from each other. The opening of the first hollow section faces the door panel, and the two first connecting wing plates are respectively connected to the door panel.

3. The door panel assembly according to claim 1, characterized in that, Also includes: Multiple second reinforcing beams extend laterally and are vertically spaced on the inner side of the door panel; The second reinforcing beam includes a second hollow section with a C-shaped cross-section and two second connecting wing plates connected to the two sides of the second hollow section. The two second connecting wing plates extend in a direction away from each other. The opening of the second hollow section faces the door panel, and the two second connecting wing plates are respectively connected to the door panel.

4. The door panel assembly according to claim 1, characterized in that, The door frame includes a frame body and an extension. The extension is located on the inner side of the frame body and extends towards the center of the frame body, passing over and covering the bending section. A first sealing strip is fitted on the top side of the frame body and the side edges of the extension corresponding to the two horizontally opposite sides. The number of door panels is two, and the opposite sides of the two door panels are respectively hinged to the opposite sides of the frame. The inner side of the door panel is provided with a waterproof part, which extends towards the other door panel and passes over and covers the bending section where the two door panels are close to each other. A second sealing strip is fitted on the side of the waterproof part near the other door panel.

5. A body assembly, characterized in that, include: The door panel assembly and front panel assembly are spaced apart along the longitudinal direction, the two side panel assemblies are spaced apart along the transverse direction, and the bottom plate assembly and top plate assembly are spaced apart along the vertical direction. The door panel assembly, the front panel assembly, the two side panel assemblies, the bottom plate assembly, and the top plate assembly together constitute the body structure. The door panel assembly is the door panel assembly as described in any one of claims 1 to 4.

6. The body assembly according to claim 5, characterized in that, The side panel assembly includes: The side panel includes multiple splicing panel units arranged sequentially along the longitudinal direction. The inner side of each splicing panel unit is provided with a first fastening part and a second fastening part on both sides along the longitudinal direction. Between two adjacent splicing panel units along the longitudinal direction, the first fastening part of one splicing panel unit and the second fastening part of the other splicing panel unit are fastened to each other. Multiple third reinforcing beams are arranged vertically and longitudinally at intervals on the inner side of the splicing plate unit.

7. The body assembly according to claim 6, characterized in that, The first fastening part is formed by bending inward from one side of the splicing plate unit to form an L-shaped structure, and the second fastening part is formed by bending inward from the other side of the splicing plate unit to form an L-shaped structure. When two adjacent splicing plate units are fastened together, the first fastening part of one splicing plate unit covers the second fastening part of the other splicing plate unit, and the first fastening part and the second fastening part are welded together; and / or The third reinforcing beam includes a third hollow section with a C-shaped cross-section and two third connecting wing plates connected to the two sides of the third hollow section. The two third connecting wing plates extend in a direction away from each other. The opening of the third hollow section faces the splicing plate unit, and the two third connecting wing plates are respectively connected to the splicing plate unit.

8. The body assembly according to claim 5, characterized in that, The top panel assembly includes a top panel, the front panel assembly includes a front panel, the side panel assembly includes side panels, and the body assembly further includes: An installation beam is provided on the side bottom surface of the top plate. The installation beam includes a first installation part at the top, a second installation part at the bottom, and an arc panel connecting the top of the first installation part and the outer side of the second installation part. The top of the first installation part is used to place and seal the top plate. The second installation part has a bottom plane. The opening of the arc panel faces inward. The bottom end of the arc panel extends downward beyond the bottom plane of the second installation part to form a waterproof baffle. A mounting bracket is disposed on the top edge of a carriage panel, wherein the carriage panel includes at least one of the side panel and the front panel. The mounting bracket includes a third mounting part and a fourth mounting part. The third mounting part is connected to the top edge of the carriage panel and fits against the bottom plane of the second mounting part. The fourth mounting part is connected to the inner side of the third mounting part and is bent upward relative to the third mounting part. The fourth mounting part is riveted to the inner side of the mounting beam.

9. The body assembly according to claim 8, characterized in that, The mounting bracket further includes a fifth mounting part, which is connected to the outer side of the third mounting part and bent downward relative to the third mounting part. The inner side of the fifth mounting part is connected to the outer side of the carriage panel, and the outer side of the fifth mounting part is opposite to the inner side of the waterproof baffle. The waterproof baffle extends downward beyond the bottom end of the fifth mounting part, and the bottom end of the waterproof baffle is sealed to the outer wall of the carriage panel.

10. The body assembly according to claim 5, characterized in that, The base plate assembly includes: Base plate; Multiple crossbeams extend laterally and are arranged longitudinally at intervals on the bottom surface of the base plate; Multiple longitudinal beams, which extend longitudinally and are arranged sequentially at intervals along the transverse direction at the bottom of the crossbeam; Multiple connecting plates, each connecting plate including a first plate and a second plate bent together, the first plate being connected to the side of a crossbeam and the second plate being connected to the side of a longitudinal beam, with reinforcing ribs provided between the included surfaces of the first plate and the second plate.

11. The body assembly according to claim 10, characterized in that, The surfaces of the first plate and the second plate both extend vertically; the upper part of the surface of the first plate is attached to and bolted to the side of the crossbeam that is vertically arranged; the lower part of the surface of the second plate is attached to and bolted to the side of the longitudinal beam that is vertically arranged. At least two reinforcing ribs are provided at intervals along the bending extension direction between the first plate and the second plate; The first plate is provided with a plurality of first bolt holes, at least two of the first bolt holes are arranged vertically at intervals, and a reinforcing rib is provided between two adjacent first bolt holes in the vertical direction; The second plate is provided with a plurality of second bolt holes, at least two of which are arranged vertically at intervals, and a reinforcing rib is provided between two adjacent second bolt holes along the vertical direction.

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