Carriage body vehicle door, carriage body structure and trailer

Abstract

The invention discloses a compartment body vehicle door, a compartment body structure and a trailer, and relates to the technical field of trailers. The compartment body vehicle door comprises a peripheral frame, a grating and corrugations, the grating and the corrugations are arranged in the peripheral frame, the grating is arranged above the corrugations, the grating comprises transverse rods and longitudinal rods, inserting parts are arranged on the transverse rods, the longitudinal rods are inserted into the inserting parts, the inserting parts of the transverse rods and the longitudinal rods are welded, and welding is carried out at the connecting parts on the basis of inserting. Therefore, the defect of insufficient geometric stability of magnesium alloy welding is overcome, and the supporting stability of the carriage door is improved.

Description

Technical Field

[0001] The present application relates to the technical field of trailers, and in particular to a compartment door, a compartment structure and a trailer. Background Art

[0002] In today's domestic road logistics market, the fence trailer has become one of the most common models due to its wide applicability and low dead weight. With the rapid penetration of the new energy commercial vehicle market, the competition among products in core elements such as driving range and functional configuration is becoming increasingly fierce. However, while larger power batteries and richer configurations meet users' demands for improved driving range and experience, they also bring about the problem of increased vehicle curb weight, which squeezes the loading weight and directly leads to a decrease in transportation capacity. Therefore, lightweighting has become one of the core demands of new energy commercial vehicles.

[0003] After multiple rounds of market technology iterations, the technical potential of traditional structural lightweighting has been almost fully tapped. As a new structural material, magnesium alloy has good mechanical properties and light density. In addition, my country has abundant reserves and advanced and complete front-end industries. It has great application prospects and a good industrialization environment in the direction of lightweight transportation equipment. Although magnesium alloy, as a new material for the body structure, can reduce the weight of the vehicle, it has the problem of insufficient welding performance stability. Summary of the invention

[0004] The purpose of the present application is to provide a vehicle body door, a vehicle body structure and a trailer, which can improve the connection strength of the vehicle body.

[0005] The embodiment of the present application is implemented as follows:

[0006] In one aspect of an embodiment of the present application, a vehicle body door is provided, comprising an outer peripheral frame and a grille and corrugations arranged in the outer peripheral frame, wherein the grille is arranged above the corrugations, the grille comprises a cross bar and a longitudinal bar, the cross bar is provided with a plug-in portion, the longitudinal bar is plugged into the plug-in portion, and the cross bar and the longitudinal bar are welded at the plug-in portion.

[0007] Optionally, as an implementable manner, the plug-in portion includes a plurality of mounting holes provided on the cross bar, and the longitudinal bar is inserted into the mounting holes.

[0008] Optionally, as an implementable method, the peripheral frame includes a first horizontal frame, a first vertical frame, a second horizontal frame and a second vertical frame which are arranged in sequence, the first horizontal frame is provided with a first connecting part and a second connecting part at both ends, the first vertical frame is provided with a third connecting part and a fourth connecting part at both ends, the second horizontal frame is provided with a fifth connecting part and a sixth connecting part at both ends, and the second vertical frame is provided with a seventh connecting part and an eighth connecting part at both ends, the first connecting part and the third connecting part are connected by a first connecting member, the second connecting part and the seventh connecting part are connected by a second connecting member, the fifth connecting part and the fourth connecting part are connected by a third connecting member, and the sixth connecting part and the eighth connecting part are connected by a fourth connecting member.

[0009] Optionally, as an implementable manner, the first connecting part is a plurality of first perforations arranged on the first horizontal frame, the second connecting part is a plurality of second perforations arranged on the first horizontal frame, the third connecting part is a plurality of third perforations arranged on the first vertical frame, the fourth connecting part is a plurality of fourth perforations arranged on the first vertical frame, the fifth connecting part is a plurality of fifth perforations arranged on the second horizontal frame, the sixth connecting part is a plurality of sixth perforations arranged on the second horizontal frame, the seventh connecting part is a plurality of seventh perforations arranged on the second vertical frame, and the eighth connecting part is a plurality of eighth perforations arranged on the second vertical frame.

[0010] Optionally, as an implementable manner, a crossbeam is provided between the grille and the corrugations.

[0011] Optionally, as an implementable manner, a first reinforcing rod is further provided between the cross beam and the first longitudinal frame.

[0012] Optionally, as an implementable manner, a second reinforcing rod is further provided between the cross beam and the second longitudinal frame.

[0013] Another aspect of an embodiment of the present application provides a body structure, including a body frame and a body door as described above, the body frame including a top beam and a plurality of pillars connecting the top beam and a vehicle body chassis, and the body door is arranged between two adjacent pillars.

[0014] Optionally, as an implementable manner, the cross-section of the column is rectangular, and reinforcing ribs are provided inside the column.

[0015] An embodiment of the present application also provides a trailer, comprising a chassis, a driving system, and a body structure as described in any one of the above.

[0016] The beneficial effects of the embodiments of the present application include:

[0017] The vehicle body door, vehicle body structure and trailer provided by the present application include a peripheral frame and a grille and corrugations arranged in the peripheral frame, the grille is arranged above the corrugations, the grille includes a crossbar and a longitudinal bar, the crossbar is provided with a plug-in portion, the longitudinal bar is inserted in the plug-in portion, the crossbar and the longitudinal bar are welded at the plug-in portion, and welding is performed at the connection portion on the basis of the plug-in. Thus, the geometric stability deficiency of magnesium alloy welding is compensated and the support stability of the vehicle body door is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the structure of the compartment provided in an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the structure of a box frame in a box structure provided in an embodiment of the present application;

[0021] Figure 3 A schematic diagram of the structure of a compartment door in a compartment structure provided in an embodiment of the present application;

[0022] Figure 4 A schematic diagram of the structure of the outer peripheral frame in the compartment structure provided in an embodiment of the present application;

[0023] Figure 5 A schematic diagram of the structure of the peripheral frame of the compartment door provided in an embodiment of the present application.

[0024] Icons: 100-body structure; 110-body frame; 111-top beam; 112-column; 1121-reinforcement rib; 120-body door; 121-peripheral frame; 1211-first transverse frame; 1212-first longitudinal frame; 1213-second transverse frame; 1214-second longitudinal frame; 1215-first connecting piece; 1216-second connecting piece; 1217-third connecting piece; 1218-fourth connecting piece; 122-grille; 1221-cross bar; 1221a-plug-in part; 1222-longitudinal bar; 123-corrugation; 124-cross beam; 125-first reinforcing rod; 126-second reinforcing rod. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0027] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0028] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] Please refer to Figure 2 and Figure 5 The present embodiment provides a compartment door 120, including an outer peripheral frame 121 and a grille 122 and a corrugation 123 arranged in the outer peripheral frame 121, the grille 122 is arranged above the corrugation 123, the grille 122 includes a cross bar 1221 and a longitudinal bar 1222, the cross bar 1221 is provided with a plug-in portion 1221a, the longitudinal bar 1222 is plugged into the plug-in portion 1221a, and the cross bar 1221 and the longitudinal bar 1222 are welded at the plug-in portion.

[0030] Specifically, when assembling the body door 120 of the present application, the corrugated sheet 123 and the grille 122 are installed in the peripheral frame 121, and the grille 122 is installed above the corrugated sheet 123. When installing the grille 122, the longitudinal bar 1222 is inserted into the plug-in portion 1221a of the cross bar 1221, and the plug-in portion of the cross bar 1221 and the longitudinal bar 1222 is welded. At this time, the plug-in portion of the cross bar 1221 and the longitudinal bar 1222 is limited and fixed by the plug-in portion 1221a, which can reduce the support strength of the welded portion of the cross bar 1221 and the longitudinal bar 1222, and welding is performed at the connection portion on the basis of plug-in. In this way, the geometric stability deficiency of magnesium alloy welding is compensated, and the support stability of the body door 120 is improved.

[0031] The compartment door 120 provided by the present application includes an outer frame 121 and a grille 122 and corrugations 123 arranged in the outer frame 121. The grille 122 is arranged above the corrugations 123. The grille 122 includes a crossbar 1221 and a longitudinal bar 1222. The crossbar 1221 is provided with a plug-in portion 1221a. The longitudinal bar 1222 is plugged into the plug-in portion 1221a. The crossbar 1221 and the longitudinal bar 1222 are welded at the plug-in portion. The welding is performed at the connection portion on the basis of the plug-in. Thus, the geometric stability deficiency of magnesium alloy welding is compensated and the support stability of the compartment door 120 is improved.

[0032] In a feasible embodiment of the present application, Figure 2 and Figure 5 As shown, the plug-in portion 1221a includes a plurality of mounting holes provided on the cross bar 1221, and the longitudinal bar 1222 is inserted into the mounting holes.

[0033] Specifically, a plurality of mounting holes are arranged at intervals on the cross bar 1221, and the longitudinal bars 1222 are inserted into the mounting holes. The longitudinal bars 1222 are used to support the compartment door 120 longitudinally, and the longitudinal bars 1222 are fixed by limiting the mounting holes, thereby reducing the stress strength of the welding points between the cross bar 1221 and the longitudinal bars 1222 and improving the connection stability between the cross bar 1221 and the longitudinal bars 1222, thereby improving the supporting strength of the grille 122 and improving the stability of the compartment door 120.

[0034] In a feasible embodiment of the present application, Figure 2 and Figure 5As shown, the peripheral frame 121 includes a first transverse frame 1211, a first longitudinal frame 1212, a second transverse frame 1213 and a second longitudinal frame 1214 which are arranged in sequence, the first transverse frame 1211 is provided with a first connecting portion and a second connecting portion at both ends, the first longitudinal frame 1212 is provided with a third connecting portion and a fourth connecting portion at both ends, the second transverse frame 1213 is provided with a fifth connecting portion and a sixth connecting portion at both ends, the second longitudinal frame 1214 is provided with a seventh connecting portion and an eighth connecting portion at both ends, the first connecting portion and the third connecting portion are connected by a first connecting member 1215, the second connecting portion and the seventh connecting portion are connected by a second connecting member 1216, the fifth connecting portion and the fourth connecting portion are connected by a third connecting member 1217, and the sixth connecting portion and the eighth connecting portion are connected by a fourth connecting member 1218.

[0035] Specifically, the first connecting member 1215, the second connecting member 1216, the third connecting member 1217 and the fourth connecting member 1218 are two connecting rods arranged vertically. The first connecting member 1215 is plugged and matched with the first connecting part and the third connecting part respectively, the second connecting member 1216 is plugged and matched with the second connecting part and the seventh connecting part respectively, the third connecting member 1217 is plugged and matched with the fifth connecting part and the fourth connecting part respectively, and the fourth connecting member 1218 is plugged and matched with the sixth connecting part and the eighth connecting part respectively. The first connecting part and the third connecting part are connected by the first connecting member 1215, the second connecting part and the seventh connecting part are connected by the second connecting member 1216, the fifth connecting part and the fourth connecting part are connected by the third connecting member 1217, and the sixth connecting part is connected by the fourth connecting member 1218. and the eighth connection part to complete the assembly of the peripheral frame 121, and weld the first connection member 1215 to the connection between the first connection part and the third connection part, weld the second connection member 1216 to the connection between the second connection part and the seventh connection part, weld the third connection member 1217 to the connection between the fifth connection part and the fourth connection part, and weld the fourth connection member 1218 to the connection between the sixth connection part and the eighth connection part to complete the assembly of the peripheral frame 121. Compared with direct welding of the first transverse frame 1211, the first longitudinal frame 1212, the second transverse frame 1213 and the second longitudinal frame 1214, the assembly method of the first transverse frame 1211, the first longitudinal frame 1212, the second transverse frame 1213 and the second longitudinal frame 1214 of the present application can improve the overall stability of the peripheral frame 121.

[0036] In a feasible embodiment of the present application, Figure 2 and Figure 4As shown, the first connecting part is a plurality of first perforations arranged on the first horizontal frame 1211, the second connecting part is a plurality of second perforations arranged on the first horizontal frame 1211, the third connecting part is a plurality of third perforations arranged on the first vertical frame 1212, the fourth connecting part is a plurality of fourth perforations arranged on the first vertical frame 1212, the fifth connecting part is a plurality of fifth perforations arranged on the second horizontal frame 1213, the sixth connecting part is a plurality of sixth perforations arranged on the second horizontal frame 1213, the seventh connecting part is a plurality of seventh perforations arranged on the second vertical frame 1214, and the eighth connecting part is a plurality of eighth perforations arranged on the second vertical frame 1214.

[0037] Specifically, the first connecting member 1215 is welded to the connection between the first through hole and the third through hole by means of a welding rod, so as to ensure the stable connection between the first transverse frame 1211, the first longitudinal frame 1212 and the first connecting member 1215; the second connecting member 1216 is welded to the connection between the second through hole and the seventh through hole by means of a welding rod, so as to ensure the stable connection between the first transverse frame 1211, the second longitudinal frame 1214 and the second connecting member 1216; the third connecting member 1217 is welded to the connection between the fifth through hole and the fourth through hole by means of a welding rod, so as to ensure the stable connection between the second transverse frame 1213, the first longitudinal frame 1212 and the third connecting member 1217; the fourth connecting member 1218 is welded to the connection between the sixth through hole and the eighth through hole by means of a welding rod, so as to ensure the stable connection between the second transverse frame 1213, the second longitudinal frame 1214 and the fourth connecting member 1218, so as to complete the assembly of the peripheral frame 121. The plug welding process is adopted to fill the welding rod in the perforation for welding to achieve the stable connection of the connector, the crossbar and the longitudinal bar. Compared with other conventional connection methods, such as simple bolt connection or riveting, this connection method can significantly enhance the overall structural strength of the peripheral frame 121. When subjected to external forces, such as pressure, tension or impact, it is not easy for the components to shift or loosen, thereby ensuring the stability of the frame structure, enabling it to better meet the use requirements under various complex working conditions, effectively extending the service life of the frame, and reducing the maintenance cost and safety risks caused by structural looseness or damage. To improve the overall strength of the peripheral frame 121.

[0038] In a feasible embodiment of the present application, Figure 2 and Figure 4 As shown, a crossbeam 124 is provided between the grid 122 and the corrugation 123 .

[0039] Furthermore, a first reinforcing rod 125 is provided between the cross beam 124 and the first longitudinal frame 1212 .

[0040] Furthermore, a second reinforcing rod 126 is disposed between the cross beam 124 and the second longitudinal frame 1214 .

[0041] Specifically, when the compartment door 120 of the present application is used, the first connecting member 1215 is passed through the first through hole and the third through hole to connect the first transverse frame 1211 and the first longitudinal frame 1212, the second connecting member 1216 is passed through the second through hole and the seventh through hole to connect the first transverse frame 1211 and the second longitudinal frame 1214, the third connecting member 1217 is passed through the fifth through hole and the fourth through hole to connect the second transverse frame 1213 and the first longitudinal frame 1212, and the fourth connecting member 1218 is passed through the sixth through hole and the eighth through hole to connect the second transverse frame 1213 and the second longitudinal frame 1214, so as to complete the assembly of the peripheral frame 121, and the first connecting member 1215 is welded to the connection between the first through hole and the third through hole. , weld the second connecting member 1216 to the connection between the second perforation and the seventh perforation, weld the third connecting member 1217 to the connection between the fifth perforation and the fourth perforation, and weld the fourth connecting member 1218 to the connection between the sixth perforation and the eighth perforation to complete the assembly of the peripheral frame 121, and arrange the corrugation 123 and the grille 122 in the peripheral frame 121, the corrugation 123 is arranged at the bottom of the grille 122, a cross beam 124 is arranged between the grille 122 and the corrugation 123, a first reinforcing rod 125 is arranged between the cross beam 124 and the first longitudinal frame 1212, and a second reinforcing rod 126 is arranged between the cross beam 124 and the second longitudinal frame 1214 to strengthen the overall strength of the car body door 120.

[0042] In a feasible embodiment of the present application, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a body structure 100 is provided, including a body frame 110 and a body door 120 . The body frame 110 includes a top beam 111 and a plurality of pillars 112 connecting the top beam 111 and a vehicle chassis. The body door 120 is arranged between two adjacent pillars 112 .

[0043] Furthermore, the cross-section of the column 112 is rectangular, a reinforcing rib 1121 is disposed in the column 112 , and a plurality of reinforcing ribs 1121 are disposed in the column 112 .

[0044] Specifically, a reinforcing rib 1121 is provided in the column 112, and the reinforcing rib 1121 is parallel to the short side of the rectangular column 112, so as to improve the supporting strength of the column 112 through the reinforcing rib 1121. When assembling the body structure 100 of the present application, the top beam 111 and the vehicle body chassis are connected through the column 112 to install the body frame 110 on the vehicle body chassis, and then the body door 120 is installed between two adjacent columns 112 to complete the installation of the body structure 100.

[0045] Furthermore, the reinforcing ribs divide the pillars into a plurality of slots, and the top beam 111 and the vehicle chassis are provided with protrusions matching the slots, so that the connection stability of the vehicle body frame 110 is improved by the reinforcing ribs.

[0046] The present application also discloses a trailer, including a chassis, a driving system, and the body structure 100 in the above embodiment. The trailer includes the same structure and beneficial effects as the body structure 100 in the above embodiment. The structure and beneficial effects of the body structure 100 have been described in detail in the above embodiment, and will not be repeated here.

[0047] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vehicle door, characterized in that: It includes an outer frame, a grille and corrugations arranged in the outer frame, the grille is arranged above the corrugations, the grille includes a crossbar and a longitudinal bar, the crossbar is provided with a plug-in portion, the longitudinal bar is plugged into the plug-in portion, and the crossbar and the longitudinal bar are welded at the plug-in portion.

2. The compartment door according to claim 1, characterized in that: The plug-in portion includes a plurality of mounting holes arranged on the cross bar, and the longitudinal bar is inserted into the mounting holes.

3. The compartment door according to claim 1, characterized in that: The peripheral frame includes a first transverse frame, a first longitudinal frame, a second transverse frame and a second longitudinal frame which are arranged in sequence, a first connecting part and a second connecting part are provided at both ends of the first transverse frame, a third connecting part and a fourth connecting part are provided at both ends of the first longitudinal frame, a fifth connecting part and a sixth connecting part are provided at both ends of the second transverse frame, and a seventh connecting part and an eighth connecting part are provided at both ends of the second longitudinal frame, the first connecting part and the third connecting part are connected by a first connecting member, the second connecting part and the seventh connecting part are connected by a second connecting member, the fifth connecting part and the fourth connecting part are connected by a third connecting member, and the sixth connecting part and the eighth connecting part are connected by a fourth connecting member.

4. The compartment door according to claim 3, characterized in that: The first connection part is a plurality of first through-holes arranged on the first horizontal frame, the second connection part is a plurality of second through-holes arranged on the first horizontal frame, the third connection part is a plurality of third through-holes arranged on the first vertical frame, the fourth connection part is a plurality of fourth through-holes arranged on the first vertical frame, the fifth connection part is a plurality of fifth through-holes arranged on the second horizontal frame, the sixth connection part is a plurality of sixth through-holes arranged on the second horizontal frame, the seventh connection part is a plurality of seventh through-holes arranged on the second vertical frame, and the eighth connection part is a plurality of eighth through-holes arranged on the second vertical frame.

5. The compartment door according to claim 3, characterized in that: A crossbeam is arranged between the grille and the corrugation.

6. The compartment door according to claim 5, characterized in that: A first reinforcing rod is further arranged between the cross beam and the first longitudinal frame.

7. The compartment door according to claim 5, characterized in that: A second reinforcing rod is further arranged between the cross beam and the second longitudinal frame.

8. A box structure, characterized in that: It comprises a body frame and a body door as claimed in any one of claims 1 to 7, wherein the body frame comprises a top beam and a plurality of pillars connecting the top beam and a vehicle chassis, and the body door is arranged between two adjacent pillars.

9. The compartment structure according to claim 8, characterized in that: The cross section of the column is rectangular, and reinforcing ribs are arranged inside the column.

10. A trailer, characterized in that: It comprises a chassis, a driving system and a vehicle body structure as described in any one of claims 8 to 9.

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