CN206307149U - A kind of body connection structure - Google Patents

Abstract

The utility model discloses a vehicle body connecting structure, which comprises a connecting part, a side plate and a fixing plate. The connecting part includes a beam and a longitudinal beam, and the beam and the longitudinal beam both include an assembly plate and a pair of limit plates extending from the edge of the assembly plate, and the assembly plate and the limit plate are surrounded to form a groove; the assembly plate is provided with a number of first screws hole, the end of the longitudinal beam leans against the limit plate of the cross beam, and the groove of the cross beam and the longitudinal beam is on the same side; the side plate includes a main body and a combined boss extending from one side of the main body, and the combined boss is embedded There is a blind hole corresponding to the first screw hole, and the combination boss is accommodated in the groove; a second screw hole corresponding to the first screw hole is opened on the fixing plate, and the fixing plate is arranged on the assembly plate and is located opposite to the groove one side; the combined boss, the beam, the longitudinal beam and the fixing plate are combined together through corresponding blind holes, first screw holes and second screw holes. The beneficial effect of the utility model lies in that: the screw connection and the adhesive connection are adopted, and the process is simple and the connection strength is high.

Description

body connection structure

【Technical field】

The utility model relates to the field of new energy vehicles, in particular to a vehicle body connection structure.

【Background technique】

At this stage, electric vehicles generally have the defects of large curb weight, short cruising range on one charge, and high power consumption per kilometer. Effectively reducing vehicle weight is an important factor to increase the cruising range of electric vehicles. Most of the traditional electric vehicles are made of steel and aluminum-magnesium alloys, which have the following disadvantages: the weight of the materials is heavy, and the connection structure of the body generally uses processes such as stamping, welding, and painting, which have many problems such as high cost, difficult technology, and heavy pollution. disadvantages.

The density of composite materials is about half of that of aluminum-magnesium alloys and one-fifth of that of steel materials, and its mechanical properties are comparable to that of aluminum-magnesium alloys or even steel materials. Therefore, composite materials are an important direction for automobile lightweight. However, the joints of composite stress parts are generally glued and riveted, which has the problem of insufficient strength.

In view of the above disadvantages, it is necessary to provide a vehicle body connection structure to overcome the above disadvantages.

【Content of utility model】

The purpose of the utility model is to provide a car body connection structure with simple process and high connection strength.

In order to achieve the above purpose, the utility model provides a vehicle body connecting structure, which includes a connecting part, a side plate and a fixing plate. The connecting part includes a beam and a longitudinal beam, and the beam and the longitudinal beam each include an assembly plate and a pair of limit plates extending from the edge of the assembly plate, and the assembly plate and the limit plate surround A groove is formed; the assembly plate is provided with a plurality of first threaded holes, the end of the longitudinal beam is against one of the limiting plates of the crossbeam, and the groove of the crossbeam and the longitudinal beam Located on the same side; the side plate includes a flat main body and a combined boss extending from one side of the main body, the combined boss is embedded with a number of blind holes corresponding to the first screw holes, and the The combined boss is accommodated in the grooves of the beam and the longitudinal beam; the fixing plate is provided with a plurality of second screw holes corresponding to the first screw holes of the beam and the longitudinal beam, and the The fixing plate is arranged on the assembly plate of the beam and the longitudinal beam and is located on the opposite side of the groove; the combined boss, the assembly plate of the beam and the longitudinal beam and the fixing plate pass through the corresponding The blind hole, the first screw hole and the second screw hole are combined together.

As an improvement of the vehicle body connection structure of the present invention, a reinforcing plate connected to the pair of limiting plates is also provided between the pair of limiting plates of the cross beam and the longitudinal beam, and the reinforcing plate is provided with A plurality of third screw holes corresponding to the first screw holes.

As an improvement of the vehicle body connection structure of the present invention, a pair of limiting plates of the cross beam and the longitudinal beam are parallel to each other, and the reinforcing plate and the assembly plate are parallel to each other and perpendicular to the limiting plates.

As an improvement of the vehicle body connection structure of the present invention, the combination boss is against the reinforcing plate.

As an improvement of the vehicle body connection structure of the present invention, a nut corresponding to the first screw hole is installed in the blind hole.

As an improvement of the vehicle body connection structure of the present invention, it also includes several screws, and the screws pass through the second screw hole, the first screw hole, the third screw hole and the combined boss blind in sequence. The nuts in the holes cooperate to fix and connect the fixed plate, the cross beam, the longitudinal beam and the side plate in sequence.

As an improvement of the vehicle body connection structure of the present invention, structural glue is also included, and the structural glue is filled in the crossbeam and the longitudinal beam, the combined boss and the groove, the fixing plate and the The junction between the mounting plate of the beam and the stringer.

Compared with the prior art, the beneficial effect of the vehicle body connection structure of the utility model lies in that the connection method of screw connection and adhesive connection is adopted, the process is simple, and the connection strength is high.

【Description of drawings】

Figure 1 is an exploded view of the body connection structure.

Fig. 2 is a schematic diagram of the body skeleton of the body connecting structure.

FIG. 3 is a partially enlarged schematic diagram of the area A shown in FIG. 2 .

Fig. 4 is a schematic diagram of the connection part of the vehicle body connection structure.

【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 4 , the present invention provides a body connection structure 100 , which includes a connection portion 10 , a side plate 20 and a fixing plate 30 .

The connection part 10 includes a beam 101 and a longitudinal beam 102 . Both the beam 101 and the longitudinal beam 102 include an assembly plate 11 and a pair of limit plates 12 extending from the edge of the assembly plate 11, the assembly plate 11 and the limit plate 12 surround to form a groove 13. The assembly plate 11 is provided with a plurality of first screw holes 14 passing through. The ends of the longitudinal beams 102 abut against one of the limiting plates 12 of the cross beams 101 , and the grooves 13 of the cross beams 101 and the longitudinal beams 102 are located on the same side. A pair of limiting plates 12 of the crossbeam 101 and the longitudinal beam 102 are parallel to each other, and a reinforcing plate 15 connected with the pair of limiting plates 12 is also provided between the pair of limiting plates 12. The plate 15 is parallel to the assembly plate 11 and perpendicular to the limiting plate 12 . The reinforcing plate 15 is provided with a plurality of through third screw holes 16 corresponding to the first screw holes 14 . The reinforcing plate 15 plays a role of stabilizing and strengthening the beam 101 and the longitudinal beam 102 . Several cross beams 101 and several longitudinal beams 102 are connected to form a body frame. In this embodiment, the crossbeam 101 and the longitudinal beam 102 are made of fiber-reinforced composite material formed by a pultrusion process, combined with a hollow design, which can reduce the weight of the vehicle body and achieve a lightweight effect.

The side plate 20 includes a flat main body 201 and a combination boss 202 extending from one side of the main body 201, and the combination boss 202 is embedded with a plurality of blind holes 203 corresponding to the first screw holes 14 , the blind hole 203 is provided with a nut 204 corresponding to the first screw hole 14 . The combination boss 202 is accommodated in the groove 13 of the beam 101 and the longitudinal beam 102 , and leans against the reinforcing plate 15 . In this embodiment, the side panels 20 are compartment panels made of composite materials.

The fixing plate 30 is provided with a plurality of second screw holes 301 corresponding to the first screw holes 14 of the beam 101 and the longitudinal beam 102, and the fixing plate 30 is arranged on the beam 101 and the longitudinal beam. 102 on the assembly board 11 and located on the opposite side of the groove 13 . The combined boss 202, the assembly plate 11 of the beam 101 and the longitudinal beam 102 and the fixing plate 30 pass through the nut 204 in the corresponding blind hole 203, the first screw hole 14 and the The second screw holes 301 are combined together.

Further, the vehicle body connection structure 100 also includes a plurality of screws 40, and the screws 40 pass through the second screw hole 301 of the fixing plate 30, the first screw hole 301 on the assembly plate 11 of the cross beam 101 and the longitudinal beam 102 in sequence. A screw hole 14 and the third screw hole 16 on the reinforcing plate 15 are connected with the nut 204 in the blind hole 203 of the combined boss 202, and the fixing plate 30, the crossbeam 101 and the The longitudinal beam 102 and the side plate 20 are sequentially fixedly connected.

Further, the vehicle body structure 100 also includes structural glue 50, and the structural glue 50 is filled in the combination boss 202 of the cross beam 101 and the longitudinal beam 102, the side panel 20 and the cross beam 101 and the The groove 13 of the longitudinal beam 102 , the connection between the cross beam 101 and the longitudinal beam 102 and the fixing plate 30 play a role of fixing and strengthening the vehicle body structure 100 .

When assembling, firstly, the crossbeam 101 and the longitudinal beam 102 are connected according to the actual design to form a vehicle body frame, and are bonded and fixed with the structural adhesive 50; In the blind hole 203 of the combination boss 202; secondly, the combination boss 202 is accommodated in the groove 13 of the beam 101 and the longitudinal beam 102, and leans against the beam 101 and the longitudinal beam On the reinforcing plate 15 of the beam 102, use the structural glue 50 to bond; then, the fixing plate 30 is fixed on the assembly plate 11 of the crossbeam 101 and the longitudinal beam 102 through the structural glue 50 and is positioned on the the opposite side of the groove 13; finally, several of the screws 40 pass through the second screw hole 301 of the fixing plate 30, the first screw on the assembly plate 11 of the beam 101 and the longitudinal beam 102 in turn. The hole 14 and the third screw hole 16 on the reinforcing plate 15 are matched with the nut 204 in the blind hole 203 of the combined boss 202 to connect the fixed plate 30, the cross beam 101 and the longitudinal beam 102 and the side panels 20 are combined together sequentially.

In other embodiments, the crossbeam 101 and the longitudinal beam 102 may not include the reinforcing plate 15, the combination boss 202 is accommodated in the groove 13 and leans against the assembly plate 11, The screw 40 passes through the second screw hole 301 of the fixing plate 30 and the first screw hole 14 on the assembly plate 11 of the crossbeam 101 and the longitudinal beam 102 in turn, and the blind hole of the combined boss 202 The nuts 204 in the 203 are matched and connected, and the fixing plate 30 , the assembly plate 11 of the beam 101 and the longitudinal beam 102 and the side plate 20 are combined together in sequence.

The connection structure of the vehicle body of the utility model adopts the connection mode of screw connection and glue connection, and the process is simple and the connection strength is high.

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 kind of body connection structure, including connecting portion, side plate and fixed plate, it is characterised in that：The connecting portion includes crossbeam And longeron, the crossbeam and the longeron include the limiting plate that an assembled plate and a pair extend from the assembled plate edge, institute State assembled plate and the limiting plate encloses and sets to form groove；The assembled plate offers some first screws for running through, the longeron End be resisted against one of limiting plate of the crossbeam, and the crossbeam is located at the same side with the groove of the longeron；Institute The combination boss that side plate extends including plate-shaped bar body portion and from the main part side is stated, the combination boss is embedded with some Blind hole corresponding with first screw, and it is described combination boss be contained in the groove of the crossbeam and the longeron；It is described Some the second screws corresponding with the first screw of the crossbeam and the longeron are offered in fixed plate, the fixed plate is located at In the assembled plate of the crossbeam and the longeron and positioned at the opposite side of the groove；It is described combination boss, the crossbeam and The assembled plate of longeron and the fixed plate are combined one by the corresponding blind hole, first screw and second screw Rise.

2. body connection structure as claimed in claim 1, it is characterised in that：A pair of limiting plates of the crossbeam and the longeron Between be additionally provided with the reinforcing plate being connected with the pair of limiting plate, the reinforcing plate offers some corresponding with first screw The 3rd screw.

3. body connection structure as claimed in claim 2, it is characterised in that：A pair of limiting plates of the crossbeam and the longeron It is parallel to each other, the reinforcing plate is parallel to each other and perpendicular to the limiting plate with the assembled plate.

4. body connection structure as claimed in claim 3, it is characterised in that：The combination boss is resisted against the reinforcing plate On.

5. body connection structure as claimed in claim 4, it is characterised in that：It is equiped with the blind hole and first screw Corresponding nut.

6. body connection structure as claimed in claim 5, it is characterised in that：Also include some screws, the screw is worn successively Second screw, first screw, the 3rd screw and the nut screw connection combined in boss blind hole are crossed, will be described Fixed plate, the crossbeam and the longeron and the side plate are fixedly connected sequentially.

7. body connection structure as claimed in claim 6, it is characterised in that：Also include structure glue, the structure glue is filled in The crossbeam is with the longeron, the boss that combines with the groove, the fixed plate and the crossbeam and the peace of the longeron Junction between dress plate.