CN206634081U - A kind of boxcar structure - Google Patents

Abstract

A truck compartment structure, comprising a body frame and a compartment body; the body frame includes two opposite brackets at intervals, each bracket includes two first girders and a second girder connected between the two first girders The body frame also includes two side girders and two side girders; the car body includes a floor, a roof opposite to the floor, and two side panels connecting the floor and the roof; each side panel is provided with at least one support column; Each support column includes a hollow cylindrical main body and fixed parts extending from both sides of the main body; each fixed part includes an arc-shaped transition surface tangent to the outer surface of the main body and an assembly surface opposite to the transition surface ;The fixing part is provided with a screw hole that runs through the transition surface and the assembly surface; one end of each main body is fixed to a corresponding side beam, the assembly surface is attached to a corresponding side plate, and the support column is fixed by rivets and screw holes on the side panels. The utility model simplifies the manufacturing process and enhances the connection reliability.

Description

structure of a truck

【Technical field】

The utility model relates to the technical field of automobile manufacturing, in particular to a truck compartment structure.

【Background technique】

At present, the low energy density, high cost and short cruising range of power batteries are the main problems facing the new energy vehicle industry. Lightweight technology is to increase the cruising range of electric vehicles by reducing the weight of electric vehicles themselves. Therefore, it is of great significance to promote the development of new energy vehicles.

The carriages of traditional trucks mainly use steel skeletons, which are heavy, complicated in technology, and high in processing and manufacturing costs. In order to meet the development needs of lightweight electric vehicles, some cargo compartments made of aluminum alloy materials and composite materials have also appeared in recent years. However, in order to reduce costs, the cargo compartments are usually not decorated with interior decoration, resulting in the exposure of rectangular aluminum alloy profiles. Too beautiful, and the connection reliability is also poor. In view of this, it is necessary to provide a new truck compartment structure to overcome the above-mentioned defects.

【Content of utility model】

The purpose of the utility model is to provide a truck compartment structure, the manufacturing process of the truck compartment structure is relatively simple, and the connection reliability is strong.

In order to achieve the above object, the utility model provides a truck compartment structure, including a body frame and a compartment body; The second girder between the two first girders; the body frame also includes two side girders and two side girders; the two ends of each side girder are respectively connected to two ends of the same bracket The two first girders are spaced apart from the second girders of the bracket; the two ends of each side beam are respectively connected between the corresponding two first girders of the two brackets; The compartment body includes a floor, a top plate opposite to the floor, and two side plates connecting the floor and the top plate; the floor is rectangular and includes a pair of long sides and a pair of short sides; the pair of long sides respectively fixed on the two side beams, and the pair of short sides are respectively fixed on the two side beams; the two ends of the top plate are respectively fixed on the corresponding two second brackets On the two beams; the two ends of each side plate are respectively fixed on the corresponding two first beams of the two brackets, and one end surface of each side plate close to the side beam is fixed on the corresponding one of the On the side beams; each side plate is provided with at least one supporting column; each supporting column includes a hollow cylindrical main body and fixing parts extending from both sides of the main body; each fixing part includes a The arc-shaped transition surface tangent to the outer surface of the outer surface and the assembly surface opposite to the transition surface; the fixed part is provided with a screw hole passing through the transition surface and the assembly surface; one end of each main body is fixed to the corresponding On one of the side beams, the assembling surface is bonded to a corresponding one of the side panels, and the support column is fixed on the side panel through rivets and the screw holes.

In a preferred embodiment, there are two fixing parts, and the two fixing parts are symmetrical about the central axis of the main body part.

In a preferred embodiment, each support column is also provided with a groove for injecting adhesive between the two assembly surfaces, and the adhesive glues the side plate to the support column. tied together.

In a preferred embodiment, the side wall beam and the side wall longitudinal beam are perpendicular to each other.

In a preferred embodiment, the body frame further includes a support beam; the body frame further includes a support beam; the support beam is located between the two side beams, and the two ends of the support beam are respectively fixed on the two said side wall stringers.

In a preferred embodiment, the vehicle body frame further includes an anti-collision beam; the anti-collision beam is fixed on one of the side wall longitudinal beams and the anti-collision beam is located at side of the beam.

In a preferred embodiment, the floor, the top board and the two side boards have the same structure and all include an upper panel, a lower panel and an intermediate panel between the upper panel and the lower panel; The middle plate includes a plurality of hexagonal prisms connected adjacent to each other, and each hexagonal prism is a hollow structure.

The utility model simplifies the manufacturing process and enhances the connection reliability of the truck compartment structure due to the mutual cooperation of the adhesive connection and the rivet connection.

【Description of drawings】

Fig. 1 is the three-dimensional view of the compartment structure of the utility model truck.

FIG. 2 is a partially enlarged view of area A shown in FIG. 1 .

Fig. 3 is a structural diagram of the floor, top board and side board.

Fig. 4 is a partial structural perspective view of the structure of the truck compartment shown in Fig. 1 .

Fig. 5 is a cross-sectional view along the direction A-A shown in Fig. 4 .

【detailed description】

In order to make the purpose, technical solution and beneficial technical effects of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the utility model, not for limiting the utility model.

As shown in FIGS. 1 to 3 , the present invention provides a truck compartment structure 100 , which includes a body frame 10 and a compartment body 20 .

The vehicle body frame 10 includes two opposite brackets 11 at intervals, the two brackets 11 have the same structure and are roughly U-shaped, and each bracket 11 includes two first beams 111 and a beam connected to the two first beams. The second beam 112 between the beams 111. The body frame 10 also includes two side girders 12 and two side girders 13; two ends of each side girder 12 are respectively connected between the two first girders 111 of the same bracket 11 The two ends of each side beam 13 are respectively connected between the two corresponding first beams 111 of the two brackets 11; the side beams 13 It is perpendicular to the side wall side member 12 .

In this embodiment, the body frame 10 further includes a support beam 14 for supporting the carriage body 20 and an anti-collision beam 15 for improving the impact resistance of the body frame 10 . Specifically, the support beam 14 is located between the two side wall beams 13, and the two ends of the support beam 14 are respectively fixed on the two side wall longitudinal beams 12; the anti-collision beam 15 is fixed The anti-collision beam 15 is located on one of the side longitudinal beams 12 on a side of the side longitudinal beam 12 away from the second support beam 112 .

The compartment body 20 includes a floor 21 , a roof 22 opposite to the floor 21 , and two side panels 23 connecting the floor 21 and the roof 22 . The floor 21 is rectangular and includes a pair of parallel long sides 211 and a pair of parallel short sides 212, the pair of long sides 211 are respectively fixed on the two side beams 13, and the pair of short sides 212 are respectively fixed on the two side rails 12 . Both ends of the top plate 22 are respectively fixed on the corresponding two second beams 112 of the two brackets 11 . Both ends of each side plate 23 are respectively fixed on the corresponding two first beams 111 of the two brackets 11, and one end surface of each side plate 23 close to the side wall beam 13 is fixed on the corresponding one of the first beams 111. On the side wall beam 13.

In this embodiment, the floor 21, the top board 22, and the two side boards 23 have the same structure and all include an upper panel 221, a lower panel 222 and an upper panel 221 and a lower panel 222. The middle plate 223. Wherein, the middle plate 223 includes a plurality of hexagonal prisms connected adjacent to each other, and each hexagonal prism is a hollow structure.

Please refer to FIG. 4 and FIG. 5 together, at least one support column 30 is disposed on each side plate 23 . In this embodiment, each support column 30 includes a hollow cylindrical body portion 31 and fixing portions 32 extending from two sides of the body portion 31 . There are two fixing parts 32, and the two fixing parts 32 are symmetrical about the central axis of the main body part 31; each fixing part 32 includes an arc-shaped transition surface tangent to the outer surface of the main body part 31 321 and the assembly surface 322 opposite to the transition surface 321 . The fixing portion 32 defines a screw hole 323 passing through the transition surface 321 and the assembly surface 322 . Each support column 30 is also provided with a groove 33 between the two assembling surfaces 322 for injecting an adhesive 40 , specifically, the adhesive 40 is structural adhesive. One end of each main body portion 31 is fixed to the corresponding one of the side beams 13, the assembly surface 322 is attached to the corresponding one of the side plates 23, and the support column 30 is connected by the rivets and the screw holes 323. fixed on the side plate 23; at the same time, by injecting adhesive 40 into the groove 33, the adhesive 40 bonds the side plate 23 and the support column 30 together, further strengthening the The fastness of the connection between the support column 30 and the side plate 23 . Due to the mutual cooperation of the adhesive connection and the rivet connection, the manufacturing process of the truck body structure 100 is simplified, and the connection stability of the truck body structure 100 is enhanced.

When assembling, first, the pair of long sides 211 of the floor 21 are respectively fixed on the two side beams 13, and the pair of short sides 212 of the floor 21 are respectively fixed on the two side beams 12. above; the two ends of the top plate 22 are respectively fixed on the corresponding two second beams 112 of the two brackets 11, and the two ends of each side plate 23 are respectively fixed on the corresponding two of the two brackets 11. On the first branch beam 111 , and one end surface of each side plate 23 close to the side wall beam 13 is fixed on a corresponding one of the side wall beams 13 . Then, one end of each main body portion 31 is fixed to the corresponding one of the side beams 13, the assembly surface 322 is attached to the corresponding one of the side panels 23, and the support is fixed by the rivets and the screw holes 323. The column 30 is fixed on the side plate 23; at the same time, by injecting adhesive 40 into the groove 33, the adhesive 40 bonds the side plate 23 and the support column 30 together, further Strengthen the fastness of connection between the support column 30 and the side plate 23 .

The utility model simplifies the manufacturing process and enhances the connection reliability of the truck compartment structure due to the mutual cooperation of the adhesive connection and the rivet connection.

The utility model is not limited to the description in the description and the implementation, so those skilled in the art can easily realize additional advantages and modifications, so without departing from the spirit and general concept defined by the claims and equivalent scope Without limitation, the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein.

Claims (7)

1. A truck compartment structure, characterized in that: it comprises a body frame and a compartment body; the body frame includes two opposite supports at intervals, and each support includes two first girders and a frame connected to the two second columns. The second support beam between one beam; the body frame also includes two side wall beams and two side wall beams; the two ends of each side wall beam are respectively connected to two of the same bracket The first girders are spaced apart from the second girders of the bracket; the two ends of each side wall beam are respectively connected between the two corresponding first girders of the two brackets; the carriage body includes A floor, a top plate opposite to the floor, and two side plates connecting the floor and the top plate; the floor is rectangular and includes a pair of long sides and a pair of short sides; the pair of long sides are respectively fixed on On the two side beams, the pair of short sides are respectively fixed on the two side beams; the two ends of the top plate are respectively fixed on the corresponding two second beams of the two brackets above; the two ends of each side plate are respectively fixed on the corresponding two first beams of the two brackets, and one end surface of each side plate close to the side wall beam is fixed on the corresponding one of the side wall beams on; each side plate is provided with at least one supporting column; each supporting column includes a hollow cylindrical main body and fixing parts extending from both sides of the main body; each fixing part includes an outer surface corresponding to the main body The arc-shaped transition surface and the assembly surface opposite to the transition surface; the fixing part is provided with a screw hole passing through the transition surface and the assembly surface; one end of each main body is fixed to a corresponding one of the On the side beam, the assembling surface is bonded to a corresponding one of the side panels, and the supporting columns are fixed on the side panels through rivets and the screw holes. 2 . The truck compartment structure according to claim 1 , wherein there are two fixing parts, and the two fixing parts are symmetrical about the central axis of the main body part. 3 . 3. The truck compartment structure according to claim 1, characterized in that: each support column is also provided with a groove for injecting adhesive between the two assembly surfaces, and the adhesive will The side panels are glued together with the support columns. 4. The truck compartment structure according to claim 1, characterized in that: the side wall beam and the side wall longitudinal beam are perpendicular to each other. 5. The truck compartment structure according to claim 1, characterized in that: the body frame further comprises a support beam; the support beam is located between the two side beams, and the two ends of the support beam are respectively It is fixed on the two side wall stringers. 6. The truck compartment structure according to claim 1, wherein the body frame further comprises an anti-collision beam; the anti-collision beam is fixed on one of the side wall longitudinal beams and the anti-collision beam is located on the A side of the side wall stringer away from the second support beam. 7. The truck compartment structure according to claim 1, characterized in that: the floor, the top plate and the two side plates have the same structure and all include an upper panel, a lower panel, and an upper panel and a lower panel located between the upper panel and the The middle board between the lower boards; the middle board includes a plurality of hexagonal columns connected adjacent to each other, and each hexagonal column is a hollow structure.