CN205916192U - Chassis module structure of a lightweight minibus - Google Patents

Abstract

The utility model relates to an automobile chassis technical field refers in particular to a chassis modular structure of minibus in lightweight, including two vertical girders, two side longerons, a plurality of crossbeams and reinforcing plate, a plurality of crossbeams tenoning respectively in two vertical girders and two side longerons form space chassis skeleton, insert the reinforcing plate in the frame of indulging of space chassis skeleton, crossbeam constitution, form space chamber roof beam chassis structure. The utility model discloses a chassis modular structure possesses following advantage: 1. the chassis module structure enables all overhanging cross beams of the double-longitudinal-beam chassis to form sealing, so that the overall structural strength is better, and the modularization degree is higher; 2. the chassis module structure can be directly assembled with a chassis system structure, a power system, a three-electric system and the like to form three types of automobile chassis; 3. the chassis module structure is easier to transport and store; 4. the chassis module structure also ensures the installation precision of the upper side surrounding module, so that the chassis module structure is easy to assemble.

Description

Chassis module structure of a lightweight minibus

technical field

The utility model relates to the technical field of automobile chassis structures, in particular to a lightweight minibus chassis module structure.

Background technique

At present, most of the chassis of electric buses are refitted from the traditional fuel bus chassis structure. They are mainly made of various stamping parts, bending parts, and steel skeletons by welding, and are not designed for the layout characteristics of electric motors and batteries. The process is complicated, the shape is irregular, and the space utilization rate is low.

On December 31, 2014, the applicant applied for an integrally stressed bus chassis infrastructure (application number 201410847078.7). The basic structure of the bus chassis adopts the method of mortise and tenon several beams on the double longitudinal beams to form the main frame of the chassis. There is no supporting structure on both sides of the chassis. Deformation situation. Therefore, the existing double longitudinal beam aluminum alloy chassis is not convenient for overall transportation and storage, and cannot form a real three-class automobile chassis function. At the same time, the closed plate structure is not inserted into the frame formed between the longitudinal and horizontal beams of the basic structure of the bus chassis, so that the strength of the overall skeleton structure is not fully strengthened.

Contents of the invention

The purpose of the utility model is to provide a light-weight minibus chassis module structure for the deficiencies of the prior art, which has higher structural strength, more complete modules, easier assembly, and easier realization of a complete three-type automobile chassis.

In order to achieve the above object, a chassis module structure of a light-weight minibus of the present invention includes two longitudinal girders, two side longitudinal girders, several cross girders and reinforcing plates, and several cross girders are respectively tenon-jointed to the two longitudinal girders. and two side longitudinal beams to form a space chassis frame, and insert reinforcement plates into the frame formed by the longitudinal and transverse beams of the space chassis frame to form a space cavity beam chassis structure.

As a preference, the plurality of cross beams are mortised and mortised respectively at different height levels and different longitudinal positions of the two longitudinal beams to form a space chassis frame, and reinforcing plates are inserted into the frame formed by the longitudinal and cross beams of the space chassis frame to form a space cavity beam chassis structure.

Preferably, a reinforcing plate is inserted into the slot on the inner side of the frame surface formed by the beam, the longitudinal girder, and the side longitudinal beam, and the reinforcing plate and the space chassis frame form a space cavity beam chassis structure.

Preferably, the space cavity beam chassis structure is provided with a plurality of chassis compartments for installing battery packs or automotive electronic appliances.

Preferably, the side longitudinal beams are provided with tenon joints for mortise jointing of the side enclosure modules.

Preferably, a tire avoidance structure is provided at the front and rear tire positions of the space cavity beam chassis structure.

Beneficial effects of the utility model: a lightweight minibus chassis module structure, including two longitudinal girders, two side longitudinal girders, a number of beams and reinforcement plates, and a number of beams respectively tenon-jointed with the two longitudinal girders and the two longitudinal girders. side longitudinal beams to form a space chassis skeleton, and insert reinforcing plates into the frame formed by the longitudinal and cross beams of the space chassis skeleton to form a space cavity beam chassis structure. The chassis module structure of the utility model has the following advantages: 1. The chassis module The structure makes all the overhanging beams of the double longitudinal beam chassis form a closed structure, the overall structural strength is better, and the degree of modularization is higher; 2. The chassis module structure can be directly assembled with the chassis system structure, power system and three-electric system, etc., forming a three-dimensional structure. 3. The chassis module structure is easier to transport and store; 4. The chassis module structure also ensures the installation accuracy of the upper side wall module, making it easy to assemble.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a schematic diagram of the front view of the utility model.

Fig. 3 is a sectional view along line A-A in Fig. 2 .

Fig. 4 is a sectional view along line B-B in Fig. 2 .

Fig. 5 is a structural schematic diagram of the chassis cabin of the present invention.

Fig. 6 is a schematic structural diagram of the connection between the utility model and the chassis system.

Fig. 7 is a structural schematic diagram of the connection between the utility model and the side enclosure module.

FIG. 8 is a schematic cross-sectional structure diagram of FIG. 7 .

FIG. 9 is a schematic diagram of an enlarged structure at point A in FIG. 8 .

Reference signs include:

1—Longitudinal beam 2—Beam 3—Side longitudinal beam

4—Reinforcing plate 5—Chassis cabin 51—Battery pack

52—automotive electronic appliances 6—side panel module.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in detail.

As shown in Figures 1 to 4, a chassis module structure of a lightweight minibus of the present invention includes two longitudinal girders 1, several crossbeams 2, two side longitudinal girders 3 and reinforcing plates 4, several crossbeams 2. Mortise and mortise the two longitudinal girders 1 and the two side longitudinal beams 3 respectively to form a space chassis frame, and insert reinforcement plates into the frame formed by the longitudinal and transverse beams of the space chassis frame to form a space cavity beam chassis structure. On the basis of the space chassis skeleton, the side longitudinal beams 3 with large cross-sections on both sides are added, and the ends of the cross beams 2 are tenoned to the side longitudinal beams 3 through the tenon joint structure principle to form an integrated modular all-aluminum alloy space chassis skeleton. The chassis module structure of the utility model has the following advantages: 1. The chassis module structure makes all the overhanging crossbeams 2 of the double longitudinal beam chassis form a closed structure, the overall structural strength is better, and the degree of modularization is higher; 2. The chassis module structure is The chassis system structure, power system and three-electric system can be directly assembled to form three types of automobile chassis; 3. The chassis module structure is easier to transport and store; 4. The chassis module structure also ensures the installation accuracy of the upper side wall module 6, Make it easy to assemble.

As shown in FIG. 3 to FIG. 4 , several beams 2 of this embodiment are respectively mortised and jointed to different height levels and different longitudinal positions of two longitudinal beams 1 to form a multi-layer space chassis skeleton. The space chassis framework can ensure excellent overall structural rigidity while greatly reducing weight and simplifying the molding process and assembly process.

As shown in Fig. 5 and Fig. 6, in this embodiment, a reinforcing plate 4 is inserted into the groove inside the frame surface formed by the beam 2, the longitudinal girder 1, and the side longitudinal beam 3, and the reinforcing plate 4 forms a space with the space chassis frame. The cavity beam chassis structure, the space cavity beam chassis structure has a chassis cabin 5 with accommodating space. The space chassis frame is in the form of inserting reinforcing plates 4 between the slots of the adjacent beams 2 to form the structure of the above-mentioned chassis cabin 5. The chassis cabin 5 enhances the local strength of the chassis frame to a certain extent and meets the requirements for the installation of the front and rear axles. Hard point strength requirements. The space cavity beam chassis structure of this embodiment is provided with a plurality of chassis compartments 5 for installing battery packs 51 or automotive electronic appliances 52, and the chassis compartments 5 are arranged at intervals from each other. The mutually independent chassis compartments 5 provide better space and protection for the installation of the battery pack 51 and the automotive electronic appliances 52 .

As shown in FIG. 6 , the battery pack 51 of this embodiment is hoisted in the chassis cabin 5 from bottom to top; or the battery pack 51 is fixedly placed on the bottom surface of the chassis cabin 5 from top to bottom. Since the chassis frame can be equipped with a plurality of mutually independent chassis compartments 5, more space and stronger protection are provided for the installation of the battery pack 51, and the battery pack 51 can also be installed in different ways during the installation process. fixed.

As shown in FIG. 7 to FIG. 9 , the side longitudinal beam 3 of this embodiment extends from the front of the space chassis frame to the rear of the car, forming a closed space chassis frame. A number of beams 2 are interspersed with double longitudinal girders 1 to form the space chassis skeleton structure of the car. A complete side longitudinal beam 3 is inserted at the two end faces of all beams 2 and inserted through the mortise and tenon structure to make the chassis frame A frame structure is formed as a whole, and the side longitudinal beam 3 extends from the front of the vehicle to the rear of the vehicle, and a tire avoidance structure is provided at the front and rear tire positions of the chassis frame. As a preferred embodiment, the side longitudinal beam 3 is provided with a mortise joint for mortise-jointing the side enclosure module 6 . This structure not only increases the overall strength and rigidity of the chassis frame, but also ensures the installation accuracy of the side profile, which is easy to assemble and provides a better mortise and tenon foundation for the connection of the upper aluminum alloy body frame module.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (6)

1. A chassis module structure of a light-weight minibus, comprising two longitudinal girders, two side longitudinal girders, some cross beams and reinforcing plates, characterized in that: several cross girders are respectively tenon-jointed to two longitudinal girders and two The side longitudinal beams form the space chassis frame, and reinforcing plates are inserted into the frame formed by the longitudinal and transverse beams of the space chassis frame to form the space cavity beam chassis structure. 2. The chassis module structure of a light-weight minibus according to claim 1, wherein the plurality of beams are mortised and jointed to different height levels and different longitudinal positions of the two longitudinal beams respectively to form a space chassis skeleton , Insert reinforcement plates into the frame formed by the longitudinal and transverse beams of the space chassis frame to form a space cavity beam chassis structure. 3. The chassis module structure of a light-weight minibus according to claim 2, characterized in that: a reinforcement plate is plugged into the slot inside the frame surface formed by the crossbeam, the longitudinal girder, and the side longitudinal girder, so that The reinforcement plate and the space chassis skeleton form a space cavity beam chassis structure. 4. The chassis module structure of a light-weight minibus according to claim 3, characterized in that: the space cavity beam chassis structure is provided with a plurality of chassis compartments for installing battery packs or automotive electronic appliances. 5 . The chassis module structure of a light-weight minibus according to claim 1 , characterized in that: the side longitudinal beams are provided with tenon joints for tenon-joint side panel modules. 6 . 6. The chassis module structure of a light-weight minibus according to claim 5, wherein a tire avoidance structure is provided at the front and rear tire positions of the space cavity beam chassis structure.