CN205971517U - Electric automobile houding beam assembly - Google Patents

Abstract

The utility model discloses a rear roof crossbeam assembly of an electric vehicle, which comprises a back door hinge installation beam and a top cover tail beam, the end of the back door hinge installation beam is connected with the top side beam on the vehicle body, and the top cover tail The beam is arranged on the back door hinge installation beam, the back door hinge installation beam is a hollow aluminum profile structure, the top cover tail beam is an aluminum plate structure, the top cover tail beam is a bent plate, and the back door hinge The transverse centerline of the mounting beam is parallel to the transverse centerline of the top cover tail beam. The structure design of the rear roof beam assembly of the electric vehicle is reasonable, and it is divided into two parts: the back door hinge installation beam and the top cover tail beam. The structure is strong and has a good collision effect, and both collision and weight can be considered at the same time; it is conducive to the lightweight of electric vehicles and can effectively extend the cruising range of electric vehicles.

Description

An electric vehicle rear roof beam assembly

technical field

The utility model relates to the technical field of electric vehicles, in particular to an electric vehicle rear roof beam assembly.

Background technique

As a new energy vehicle, electric vehicles have the advantages of energy saving and environmental protection. Electric vehicles are becoming more and more research hotspots in the automotive field. At present, the common problem in the field of electric vehicles is that the battery life of electric vehicles is limited, which limits the popularization and application of electric vehicles.

The existing upper and rear roof beams on the vehicle body are mostly steel structures, which are heavy, which is not conducive to the lightweight of electric vehicles, and is not conducive to effectively extending the cruising range of electric vehicles. Moreover, the manufacturing, assembly and maintenance costs of metal parts are high, which is not conducive to reducing costs and cannot meet Energy saving and environmental protection requirements; in order to meet the collision requirements, the weight of the rear roof beam structure is heavy, and it is difficult to balance both collision and weight at the same time.

Utility model content

Aiming at the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a rear roof beam assembly of an electric vehicle, so as to achieve the purpose of light weight and high structural strength.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

The rear roof beam assembly of the electric vehicle includes a back door hinge installation beam and a top cover tail beam, the end of the back door hinge installation beam is connected with the upper roof side beam of the vehicle body, and the top cover tail beam is arranged on the back door hinge On the installation beam, the back door hinge installation beam is a hollow aluminum profile structure, the top cover tail beam is an aluminum plate structure, the top cover tail beam is a bent plate, and the transverse centerline of the back door hinge installation beam Parallel to the transverse centerline of the top cover tail beam.

Further, the back door hinge installation beam is provided with a back door hinge installation nut plate.

The end of the hinge mounting beam of the back door is connected with the upper roof side beam of the vehicle body through a connecting plate, and the lower part of the connecting plate is connected with the upper tail column of the vehicle body.

The upper surface of the tail beam of the top cover is a top cover fitting surface, and a top cover positioning hole is arranged on the top cover fitting surface.

The bottom front side of the hinge installation beam of the back door is an inclined plane, and the lower edge of the front top beam is connected with the inclined plane.

The top edge beam is a hollow aluminum profile structure.

The inside of the back door hinge installation beam is provided with a support rib, and the support rib and the back door hinge installation beam are integrally structured.

The tail column is a hollow aluminum profile structure.

The inside of the top edge beam is provided with reinforcing ribs that divide the inside of the top edge beam into a group of independent cavities.

The upper end of the support rib is connected with the top of the back door hinge installation beam, and the lower end of the support rib is connected with the bottom of the back door hinge installation beam.

Compared with the prior art, the utility model has the following advantages: the structure design of the rear roof beam assembly of the electric vehicle is reasonable, and it is divided into two parts: the back door hinge installation beam and the top cover tail beam, and the back door hinge installation beam is hollow aluminum The profile structure, the top cover and tail beam are made of aluminum plate, which is light in weight and strong in structure, and has a good collision effect. Both collision and weight can be taken into account at the same time; it is conducive to the lightweight of electric vehicles and can effectively extend the cruising range of electric vehicles.

Description of drawings

The following is a brief description of the content expressed in the drawings of this manual and the marks in the drawings:

Fig. 1 is a schematic diagram of the roof skeleton of the vehicle body of the present invention.

Fig. 2 is a partial schematic diagram of the roof frame of the vehicle body of the present invention.

Fig. 3 is an enlarged schematic diagram of the junction of the rear roof beam end of the utility model.

Fig. 4 is a structural schematic diagram of the rear roof beam assembly of the utility model.

Fig. 5 is a sectional view of the rear roof beam assembly of the present invention.

Fig. 6 is an exploded schematic diagram of the assembly of the rear roof beam of the present invention.

Fig. 7 is a cross-sectional view of the top edge beam of the utility model.

In the picture:

1. Roof middle beam, 2. Front windshield lower beam, 3. Front roof beam,

4. Top beam,

407. The side wall of the first roof beam, 408. The side wall of the second roof beam, 409. The side wall of the third roof beam, 410. The side wall of the fourth roof beam, 411. The side wall of the fifth roof beam, 412. The sixth roof Beam side wall, 413. Seventh top beam side wall, 414, convex rib, 415. Reinforcing rib,

5. Rear roof beam assembly,

501. Back door hinge installation beam, 502. Top cover tail beam, 503. Back door hinge installation nut plate,

6. Tail column, 7. Connecting plate.

detailed description

The specific implementation of the present utility model will be described in further detail below by describing the embodiments with reference to the accompanying drawings.

As shown in Figures 1 to 7, the rear roof beam assembly of the electric vehicle includes a back door hinge installation beam 501 and a top cover tail beam 502, and the end of the back door hinge installation beam 501 is connected with the top side beam 4 on the vehicle body The top cover tail beam 502 is set on the back door hinge installation beam 501, the back door hinge installation beam 501 is a hollow aluminum profile structure, the top cover tail beam 502 is an aluminum plate structure, the top cover tail beam is a bent plate, and the back door hinge installation The transverse centerline of the beam is parallel to the transverse centerline of the top cover tail beam. The aluminum profile is extruded through a mold, which is light in weight, high in structural strength, and has a good collision effect. Both collision and weight can be taken into account at the same time; it is conducive to the lightweight of electric vehicles and can effectively extend the cruising range of electric vehicles.

The back door hinge installation nut plate 503 is fixed on the top surface of the back door hinge installation beam 501, the back door hinge installation nut plate 503 is a rectangular plate, and the back door hinge installation nut plate is provided with screw holes for fixing the back door hinge, ensuring The fixing strength of the back door hinge.

The end of the back door hinge mounting beam 501 is connected with the upper roof side beam 4 of the vehicle body through the connecting plate 7 , and the bottom of the connecting plate 7 is connected with the upper tail column 6 of the vehicle body. The end of the back door hinge installation beam is connected to the top side beam and the tail column through the connecting plate, thereby improving the connection reliability.

The interior of the back door hinge installation beam 501 is provided with support ribs, the support ribs and the back door hinge installation beam are integrally formed, and are integrally formed by extrusion through a mold, with high structural strength, the upper end of the support ribs is connected with the top of the back door hinge installation beam, The lower end of the support rib is connected with the bottom of the back door hinge installation beam. The supporting ribs make the inside of the back door hinge installation beam form two independent cavities, which are light in weight and strong in structure.

The front side of the bottom of the back door hinge installation beam 501 is an inclined plane, and the lower edge of the front top beam 502 is connected with the inclined plane, the connection area is large, and the connection strength is ensured. The rear beam of the top cover requires less strength than the hinge installation beam of the back door. Therefore, the aluminum plate structure is designed for the front roof beam to ensure the structural strength and light weight at the same time.

The upper edge of the top cover tail beam 502 is provided with flanging, and the upper surface of the flanging is the top cover fitting surface, and the top cover fitting surface is provided with a top cover positioning hole, and the top cover positioning hole is connected with the positioning pin on the top cover. Adapting, positioning the position of the top of the vehicle body of the roof, and the roof and the bonding surface of the roof are fixedly connected by a sealant.

Both the tail column 6 and the top side beam 4 are hollow aluminum profile structures. The inside of the top edge beam is provided with reinforcing ribs that divide the inside of the top edge beam into a group of independent cavities, so as to improve the structural strength of the top edge beam.

The top edge beam 4 is extended along the entire length of the side wall assembly. The front end of the top edge beam 4 is connected with the lower beam 2 of the front windshield, and the rear end of the top edge beam 4 is connected with the rear roof beam assembly 5. A top cover middle beam 1 is arranged between the cross beam and the rear top cross beam, and the end of the top cover middle cross beam 1 is fixed on the top edge beam. The lower beam 2 of the front windshield, the middle beam 1 of the top cover, and the front roof beam 3 are all hollow aluminum profile structures, which cooperate with the roof side beams to form a frame structure, which is light in weight and strong in structure, thereby improving the fixing reliability of the rear roof beam assembly .

The material of the top side beam 4 is an aluminum profile, which is formed by extruding the raw material, and then the pipe with the molded cavity structure is bent according to the design shape of the vehicle body to form the top side beam 4 .

The top edge beam 4 includes a hollow pipe body surrounded by a plurality of side walls and a reinforcing rib 415 arranged in the hollow pipe body. The reinforcing rib 415 divides the inner cavity of the hollow pipe body into a plurality of independent cavities, and is made of aluminum profile. The rigidity of the finished top edge beam 4 is good and light in weight.

The roof beam 4 is a beam of constant section, and the roof beam 4 has a first roof beam side wall 407, a second roof beam side wall 408, a third roof beam side wall 409, a fourth roof beam side wall 410, a The fifth top beam side wall 411 , the sixth top beam side wall 412 and the seventh top beam side wall 413 . The first roof beam side wall 407 and the second roof beam side wall 408 are used to install the exterior trim of the electric vehicle body, and the exterior trim on the top of the vehicle body can be installed on the roof rail 4 by means of fasteners and/or clamping. , easy to disassemble.

The B-pillar assembly is connected to the third roof beam side wall 409 and the fourth roof beam side wall 410, the C-pillar assembly is connected to the third roof beam side wall 409, and the seventh roof beam side wall 413 is used to install the front windshield And the top cover assembly, the sixth top beam side wall 412 is used to install other beams on the top of the vehicle body frame.

On the body frame, there are two side wall assemblies, and the top side beams 4 of the two side wall assemblies provide support for the front windshield and the roof assembly respectively at one end of the front windshield and the roof assembly, so The width direction of the seventh top beam side wall 413 as the top wall of the top side beam 4 is parallel to the X direction. The third roof beam side wall 409 and the fourth roof beam side wall 410 are used as the bottom wall part of the roof beam and are opposite to the seventh roof beam side wall 413, and the first roof beam side wall 407 and the sixth roof beam side wall 412 are respectively located on one side of the seventh top beam side wall 413 and extend toward the same side of the seventh top beam side wall 413, the first top beam side wall 407 and the sixth top beam side wall 412 are oppositely arranged, the second top beam The side wall 408 is opposite to the fifth top beam side wall 411 .

Preferably, the fifth roof beam side wall 411 and the sixth roof beam side wall 412 are used as the side wall of the roof beam on the cab side, and the sixth roof beam side wall 412 is relatively horizontal to the seventh roof beam The side wall 413 is arranged vertically, the included angle between the sixth top beam side wall 412 and the seventh top beam side wall 413 is approximately 90 degrees, and the fifth top beam side wall 411 is relatively horizontal to the seventh top beam side wall. The beam side wall 413 is inclined, the angle between the fifth roof beam side wall 411 and the seventh roof beam side wall 413 is an acute angle, and the fifth roof beam side wall 411 faces downward toward the seventh roof beam side wall 413 The inner side of the top beam extends obliquely downward, the angle between the fifth top beam side wall 411 and the sixth top beam side wall 412 is an obtuse angle, the upper end of the fifth top beam side wall 411 is connected to the lower end of the sixth top beam side wall 412, The lower end of the fifth top beam side wall 411 is biased towards the third top beam side wall 409 . The fifth roof beam side wall 411 of the roof side beam 4 is located above the head of the occupant, and the fifth roof beam side wall 411 is arranged to extend obliquely towards the outside and downward relative to the occupant's head, so that the occupant's head in the vehicle can be raised. Internal space, improve ride comfort.

Preferably, the two connected roof beam side walls of the roof edge beam 4 are connected by a circular arc transition, the first roof beam side wall 407 and the second roof beam side wall 408 are arranged in a V shape, and the third roof beam side wall The side wall 409 and the fourth roof beam side wall 410 are arranged in a V shape, and the first roof beam side wall 407, the second roof beam side wall 408, the third roof beam side wall 409 and the fourth roof beam side wall 410 are arranged in a V shape. The seventh roof beam side wall 413 in the horizontal state is all inclined, the angle between the first roof beam side wall 407 and the second roof beam side wall 408 is an obtuse angle, the second roof beam side wall 408 and the third roof beam side wall The angle between the side walls 409 is an obtuse angle, the angle between the third roof beam side wall 409 and the fourth roof beam side wall 410 is an obtuse angle, and the angle between the fourth roof beam side wall 410 and the fifth roof beam side wall 411 The angle between them is an obtuse angle.

Preferably, the roof edge beam 4 also has a rib 414 located between the first roof beam side wall 407 and the seventh roof beam side wall 413 and protruding toward the outer side of the seventh roof beam side wall 413. The rib 414 It is connected with the end of the first roof beam side wall 407 and the end of the seventh roof beam side wall 413, the width of the rib 414 is small, and the rib 414 and the seven roof beam side walls of the roof edge beam 4 make the top edge The cross-section of the beam 4 forms a closed ring structure. Protruding ribs 414 are provided on the roof beam 4 to increase the size of the roof beam 4 and improve the overall rigidity of the roof beam 4 .

Preferably, the top edge beam 4 also has a reinforcing rib 415 inside. The reinforcing rib 415 is preferably a cross rib with a cross section, and the cross rib forms four independent cavities inside the top edge beam. The rib 415 has four ends in the circumferential direction, the first end of the rib 415 is connected to the second roof beam side wall 408, and the second end is connected to the third roof beam side wall 409 and the fourth roof beam side wall 410. The third end is connected with the third top beam side wall 409 and the fourth top beam side wall 410, and the third end is connected with the fifth top beam side wall 411 and the sixth top beam side wall 412 at the junction of the fifth top beam side wall 411 and the sixth top beam side wall 412. The sixth top beam side wall 412 is connected, and the fourth end is connected to the seventh top beam side wall 413 .

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned method, as long as various insubstantial improvements made by the idea and technical solutions of the utility model are adopted, or there is no The design and technical solutions of the utility model that are directly applied to other occasions through improvement are all within the protection scope of the utility model.

Claims (10)

1. after a kind of electric automobile head piece assembly it is characterised in that：Including backdoor hinge mounting rail and top cover transom beam, described The end of backdoor hinge mounting rail is connected with vehicle body upper topside beam, and described top cover transom beam is located on backdoor hinge mounting rail, institute State the aluminium profile structure that backdoor hinge mounting rail is hollow, described top cover transom beam is aluminium sheet structure, described top cover transom beam is Bending plate, the cross central line of described backdoor hinge mounting rail is paralleled with the cross central line of top cover transom beam.

2. after electric automobile as claimed in claim 1 head piece assembly it is characterised in that：Described backdoor hinge mounting rail is provided with Backdoor hinge installs nutplate.

3. after electric automobile as claimed in claim 1 head piece assembly it is characterised in that：The end of described backdoor hinge mounting rail It is connected by connecting plate between vehicle body upper topside beam, the bottom of connecting plate is connected with tail column on vehicle body.

4. after electric automobile as claimed in claim 1 head piece assembly it is characterised in that：Described top cover transom beam upper surface is top Lid binding face, described top cover binding face is provided with top cover location hole.

5. after electric automobile as claimed in claim 1 head piece assembly it is characterised in that：The bottom of described backdoor hinge mounting rail Front side is inclined-plane, and the lower limb of front head piece is connected with inclined-plane.

6. after electric automobile as claimed in claim 1 head piece assembly it is characterised in that：Described top side rail is the aluminium section bar of hollow Structure.

7. after electric automobile as claimed in claim 1 head piece assembly it is characterised in that：The inside of described backdoor hinge mounting rail It is provided with brace rod, brace rod and backdoor hinge mounting rail are structure as a whole.

8. after electric automobile as claimed in claim 3 head piece assembly it is characterised in that：Described tail column is the aluminium section bar of hollow Structure.

9. after electric automobile as claimed in claim 6 head piece assembly it is characterised in that：The inside of described top side rail is provided with will push up It is separated into the reinforcement of one group of individual cavities inside side bar.

10. after electric automobile as claimed in claim 7 head piece assembly it is characterised in that：The upper end of described brace rod and tailgate The top of hinge mounting rail is connected, and the lower end of brace rod is connected with the bottom of backdoor hinge mounting rail.