CN208119277U - Threshold beam assembly, side rear automobile body assembly, automobile body assembly and car - Google Patents

Abstract

The utility model provides a sill beam assembly, a side rear body assembly, a body assembly and a car. The sill beam assembly includes a sill beam and a reinforcing plate. The sill beam is an extruded part and includes a limited volume. The side walls of the cavity and the two open ends, the reinforcing plate is inserted into the cavity of the sill beam from either of the two open ends, and the reinforcing plate includes a first connection surface connected to the inside of the side wall of the sill beam. And a second connection surface for connecting with another component, a nut is installed on the second connection surface, and the side wall of the sill beam has a plurality of openings corresponding to the positions of the nuts of the reinforcing plate. The connection between the rear longitudinal beam and the sill beam in the side rear body assembly of the present invention is reliable, ensuring the vehicle's rear impact and side impact performance and sufficient bending stiffness and torsional stiffness to improve the reliability and safety of the entire vehicle.

Description

Door sill assembly, side rear body assembly, body assembly and automotive

technical field

The utility model relates to the field of vehicle body structure, more specifically, the utility model relates to a door sill beam and a rear longitudinal beam assembly specially connected at the side and rear of the vehicle body, as well as a vehicle body assembly and an automobile with the same.

Background technique

The body-in-white of the existing vehicle is mainly composed of steel plates, and the rear longitudinal beams and sill beams are mainly connected by spot welding, welding, etc. between the steel plates. Due to the demand for lightweight car bodies, more vehicles use aluminum alloy bodies. For the connection of the aluminum alloy body, it is necessary to ensure sufficient connection strength. In addition, for the connection of aluminum alloy components, thermal processing such as welding will produce a heat-affected zone, which will affect the stability of the connection.

Utility model content

The purpose of the present invention is to solve or at least alleviate the problems existing in the prior art.

According to some features, the purpose of the utility model is to ensure the rear impact and side impact performance of the vehicle and sufficient bending stiffness and torsional stiffness to improve the reliability and safety of the vehicle.

According to some features, it is an object of the present invention to provide a simple and convenient assembly between a rocker beam and another component, such as a rear longitudinal beam.

According to one aspect, there is provided a rocker beam assembly, which includes a rocker beam and a reinforcing plate, the rocker beam is an extruded part, which includes side walls defining a cavity and open ends, the stiffening plate extends from the open two ends Either one of the ends is inserted into the cavity of the rocker beam, the reinforcement plate includes a first connecting surface connected to the inner side wall of the rocker beam and a second connecting surface for connecting with another component, the Nuts are installed on the two connecting surfaces, and the side wall of the threshold beam has a plurality of openings corresponding to the positions of the nuts.

Optionally, in the above-mentioned rocker beam assembly, the reinforcement plate includes an angled first connection surface and a second connection surface.

Optionally, in the above-mentioned rocker beam assembly, the first connection surface and the second connection surface of the reinforcing plate are perpendicular to each other.

Optionally, in the above door sill beam assembly, the side wall of the door sill beam includes a bottom wall, a top wall, a front wall and a rear wall, and the first connection surface of the reinforcing plate is connected to the bottom wall of the door sill beam Above, the plurality of openings are arranged on the front wall of the door sill beam.

Optionally, in the above door sill beam assembly, the first connection surface of the reinforcing plate is connected to the bottom wall of the door sill beam by blind riveting.

Optionally, in the above-mentioned rocker beam assembly, a plurality of nuts are pressure riveted on the second connection surface of the reinforcing plate.

Optionally, in the above door sill beam assembly, additional nuts are riveted on the front wall of the door sill beam.

Optionally, in the above-mentioned rocker beam assembly, the rocker beam further includes a plurality of interlaced rib walls in the cavity.

According to some aspects, there is provided a side rear body assembly comprising a rocker beam and a rear side member, the rocker beam being an extrusion comprising side walls defining a cavity and open ends, a reinforcement panel extending from the open The end is inserted into the cavity of the rocker beam, the reinforcement plate includes a first connecting surface connected to the inner side of the rocker beam and a second connecting surface connected to the rear longitudinal beam, and the rear longitudinal beam includes a connecting end A plurality of bolts pass through the through holes of the connecting end of the rear side member and the openings on the side walls of the rocker, and are received by nuts installed on the second connecting surface of the reinforcing plate.

Optionally, in the above side rear body assembly, the reinforcement plate includes a first connecting surface and a second connecting surface perpendicular to each other.

Optionally, in the above-mentioned side rear body assembly, the side wall of the rocker beam includes a bottom wall, a top wall, a front wall and a rear wall, and the first connection surface of the reinforcing plate is connected to the bottom of the rocker beam On the wall, the plurality of bolts pass through the front wall of the rocker beam and are received by nuts on the second connecting face of the stiffener.

Optionally, in the above-mentioned side rear body assembly, the first connection surface of the reinforcement plate is connected to the bottom wall of the door sill beam by blind riveting.

Optionally, in the above-mentioned side rear body assembly, a plurality of nuts are pressure riveted on the second connection surface of the reinforcing plate.

Optionally, in the above-mentioned side rear body assembly, additional nuts are riveted on the front wall of the sill beam, and the additional bolts pass through the additional through holes at the connecting ends of the rear longitudinal beams and are connected by the Additional nut reception on front wall.

Optionally, in the above-mentioned side rear body assembly, there is also an overlapping position between the rocker beam and the rear longitudinal beam, and the rocker beam and the rear longitudinal beam pass through the automatic joint at the overlapping position. Tapped rivets for reinforcement.

Optionally, in the above side rear body assembly, the rocker beam further includes a plurality of interlaced rib walls in the cavity.

Optionally, in the above side rear body assembly, the rear longitudinal beam is a casting, and the through hole at the connecting end of the rear longitudinal beam is formed during the casting process.

Optionally, in the above side rear body assembly, the rocker beam, the rear longitudinal beam and the reinforcing plate are all made of aluminum alloy.

In another aspect, a vehicle body assembly is provided, and the vehicle body assembly includes the above-mentioned side and rear body assembly according to various embodiments.

In another aspect, an automobile is provided that includes a body assembly according to various embodiments.

In another aspect, a method for connecting a sill beam to a rear longitudinal beam is provided, the method comprising:

A reinforcement plate is provided, the reinforcement plate includes a first connection surface connected to the inner side of the side wall of the door sill beam and a second connection surface connected to the rear longitudinal beam, nuts are installed on the second connection surface of the reinforcement plate;

inserting the reinforcing plate into the cavity of the rocker beam from the open end of the rocker beam, the rocker beam being an extrusion comprising side walls defining the cavity and open ends,

connecting the first connection surface of the reinforcing plate to the inner side of the rocker side wall;

A plurality of bolts are passed through the through holes at the connecting end of the rear longitudinal beam and the openings on the side wall of the rocker beam, and screwed into the nuts installed on the second connecting surface of the reinforcing plate.

Optionally, in the method, the side wall of the sill beam includes a bottom wall, a top wall, a front wall and a rear wall, and the method further includes connecting the first connection surface of the reinforcing plate to the On the bottom wall of the rocker beam, the plurality of bolts pass through the front wall of the rocker beam and screw into the nuts on the second connecting surface of the reinforcement plate.

Optionally, in the method, the method includes connecting the first connecting surface of the reinforcing plate to the bottom wall of the rocker beam by blind riveting.

Optionally, in the method, the method includes connecting a plurality of nuts to the second connection surface of the reinforcing plate by a press riveting connection.

Optionally, in the method, the method includes blindly connecting additional nuts to the front wall of the rocker beam, passing additional bolts through additional through holes at the connecting end of the rear longitudinal beam and screwing them. into the additional nut on the front wall.

Optionally, in the method, the method includes: reinforcing with self-tapping rivets at overlapping positions of the sill beam and the rear longitudinal beam.

According to the side rear body assembly of the utility model, the connection between the rear longitudinal beam and the sill beam is reliable, ensuring the rear impact and side impact performance of the vehicle and sufficient bending stiffness and torsional stiffness to improve the reliability and safety of the vehicle.

Description of drawings

With reference to the accompanying drawings, the disclosure of the present utility model will become easier to understand. Those skilled in the art can easily understand that: these drawings are only for the purpose of illustration, and are not intended to limit the protection scope of the present utility model. In addition, like numerals are used to designate like parts in the drawings, wherein:

Fig. 1 shows an exploded view of the side rear body assembly according to the present invention.

Detailed ways

It is easy to understand that, according to the technical solution of the present utility model, those skilled in the art can propose various interchangeable structural modes and implementation modes without changing the spirit of the present utility model. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the whole of the utility model or as a limitation or restriction on the technical solution of the utility model.

The directional terms such as up, down, left, right, front, back, front, back, top, and bottom that are mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings, and they are It is a relative concept, so it may change accordingly according to its different positions and different usage states. Accordingly, these or other directional terms should not be construed as limiting terms.

FIG. 1 shows a side rear body assembly according to the present invention, including a door sill assembly and a rear longitudinal beam 2 . The rocker beam assembly further includes a rocker beam 1 and a reinforcing plate 2 . The sill beam 1 is generally located below the door frame; the rear longitudinal beam is located behind the sill beam 1 , roughly on the side of the trunk, and is connected between the sill beam 1 and the rear anti-collision beam (not shown). In an embodiment of the present invention, the sill beam 1 is an extruded part, which includes a side wall 10 defining a cavity and open ends 11 , 12 , and a reinforcing plate 13 is arranged in the cavity of the sill beam 1 . Specifically, the reinforcing plate 13 is inserted into the cavity defined by the side wall 10 of the rocker beam 1 along the direction I from the open end portion 11 of the rocker beam 1 . The reinforcing plate 13 includes a first connecting surface 131 connected to the inner side of the side wall 10 of the door sill beam 1 and a second connecting surface 132 connected to the rear longitudinal beam. The rear longitudinal beam 2 includes a connecting end 21, and a plurality of bolts pass through the rear longitudinal beam The through hole 22 on the connection end 21 and the opening on the side wall 10 of the rocker beam are received by the nut 133 installed on the second connecting surface 132 of the reinforcing plate 13, thereby connecting the rocker beam 1 to the rear longitudinal beam 2 are connected together. Although the connection between the door sill beam assembly and the rear longitudinal beam 2 is taken as an example in the illustrated embodiments, the same method can be used between the door sill beam assembly and another component, such as the door sill beam can pass through the other end 12 The reinforced plate is used to connect with the crash box.

The rocker beam 1 may be an extrusion, which is formed by an extrusion process and has side walls 10 and open ends 11 , 12 . In some embodiments, the rocker beam 1 may be an aluminum alloy extrusion. In some embodiments, the side wall 10 is composed of a bottom wall 101 , a front side wall 102 , a top wall 103 and a rear wall 104 . The bottom wall 101 , the front side wall 102 , the top wall 103 and the rear wall 104 jointly define a cavity. In some embodiments, the rocker beam 1 may have one or more rib walls 105 between the side walls, the rib walls 105 may be oriented in any direction, for example the rib walls 105 may be parallel to the side walls, such as parallel to the bottom wall 101 Transverse rib walls and vertical rib walls parallel to the front wall 102 . In some embodiments, as shown, rib wall 105 may include a plurality of staggered rib walls. A plurality of staggered rib walls further divide the cavity defined by the side wall 10 into a plurality of small cavities. At this time, the reinforcing plate should be inserted into the small cavity close to the top wall or the bottom wall to facilitate its installation. The staggered rib walls 105 can enhance the strength of the rocker beam 1 .

In some embodiments, the reinforcing plate 13 includes an angled first connecting surface 131 and a second connecting surface 132 , for example, the reinforcing plate 13 can be formed by bending. In some embodiments, the first connecting surface 131 and the second connecting surface 132 are vertical. In some embodiments, the reinforcing plate 13 is arranged in the cavity of the rocker beam 1 , more specifically, for example, in the cavity at the bottom of the rocker beam 1 . In some embodiments, the first connecting surface 131 of the reinforcing plate 13 is connected to the bottom wall 101 of the door sill beam 1 , for example, the first connecting surface 131 of the reinforcing plate 13 is riveted to the bottom of the door sill beam 1 through a blind rivet 134 wall 101. A plurality of nuts 133 are mounted on the second connection surface 132 of the reinforcement board 13 , and the plurality of nuts 133 may be connected to the second connection surface 13 of the reinforcement board 13 by, for example, pressure riveting. The bolt can pass through the through hole 22 at the connecting part 21 of the rear longitudinal beam 2 from the rear part of the connecting part 21 in the direction of the arrow B, and then pass through the corresponding through hole on the front wall 102 of the door sill beam 1, and then the reinforcement plate 13 A plurality of nuts 133 are received on the second connection surface 132 , and the door sill beam 1 and the rear longitudinal beam 2 are connected together through a plurality of bolts. In an alternative embodiment, the first connection surface 131 of the reinforcing plate 13 can also be connected to the top wall 103, or the front wall 102 or the rear wall 104. At this time, the reinforcing plate 13 should have a shape. In some embodiments, an additional nut 14 is installed on the front wall 102 of the door sill beam 1 , and is connected to the front wall 102 of the door sill beam 1 by blind riveting in the direction of the arrow R, for example. Additional bolts can pass from the rear of the connecting portion 21 in the direction of arrow B through the additional through-hole 23 at the connecting portion 21 of the rear side member 2 to be received by the additional nut 14 blind riveted on the front wall 102 of the rocker beam 1, thereby providing Additional reinforcement between sill beam 1 and rear side member 2. Although in the illustrated embodiment it is shown that there are two sets of four bolts connected to the stiffener plate 13 and two additional bolts connected to the additional nuts 14, in alternative embodiments the number and location of the bolts and additional bolts may vary. change arbitrarily.

In some embodiments, the rear side beam 2 is formed by casting, the rear side beam 2 may be a casting, and the through hole 22 and the additional through hole 23 of the connecting portion 21 of the rear side beam 2 are produced during the casting process. In some embodiments, the rear side member 2 is formed by casting aluminum alloy material. The rear portion 22 of the rear side member 2 may be used to connect to a rear impact beam (not shown), and in some embodiments the rear portion of the rear side member 2 includes a notch 22, a rear side member reinforcement in the form of a crash box It can be inserted into the notch 22 and then connected to the rear impact beam.

In some embodiments, other suitable overlapping positions between the sill beam 1 and the rear longitudinal beam 2 can be further reinforced by means of self-tapping rivets. In some embodiments, self-tapping rivets can be used for further reinforcement at the overlapping position of the sill beam 1 and the rear longitudinal beam 2 above the bolt connection area, thereby realizing the joint between the sill beam 1 and the rear longitudinal beam 2 The triple connection realizes a reliable and firm connection, ensures the vehicle's rear impact, side impact performance and sufficient bending stiffness and torsional stiffness to improve the reliability and safety of the vehicle.

On the other hand, the utility model also aims to protect a vehicle body assembly, which includes the above-mentioned side and rear body assembly according to various embodiments.

On the other hand, the invention also aims to protect a motor vehicle comprising a body assembly according to various embodiments.

On the other hand, the utility model also aims to protect a method for connecting a sill beam to another component, such as a rear longitudinal beam, comprising: providing a reinforcing plate 13; inserting the reinforcing plate 13 from the open end 11 of the sill beam 1 into the sill In the cavity of the beam 1, connect the first connection surface 131 of the reinforcing plate 13 to the inner side wall of the door sill beam 1; pass a plurality of bolts through the through hole 22 of the connecting end 21 of the rear longitudinal beam 2 and the side wall of the door sill beam and screwed into the nut 133 installed on the second connection surface of the reinforcing plate.

In some embodiments, the method further includes, connecting the first connecting surface 131 of the reinforcement plate 13 to the bottom wall 101 of the rocker beam, passing a plurality of bolts through the front wall 102 of the rocker beam and screwing into the bottom wall 101 of the reinforcement plate 13. The nut 133 on the second connection surface 132 . In some embodiments, the method further includes, connecting the first connecting surface 131 of the reinforcing plate 13 to the bottom wall 101 of the door sill beam through riveting. In some embodiments, the method further includes, connecting a plurality of nuts 133 to the second connection surface 132 of the reinforcing plate through a pressure riveting connection. In some embodiments, the method further includes blind riveting the additional nuts 14 to the front wall 102 of the sill beam, passing the additional bolts through the additional through holes 23 of the connecting end 21 of the rear longitudinal beam and screwing them into the front wall 102 In the additional nut 14 on. In some embodiments, the method further includes reinforcing with self-tapping rivets at overlapping positions of the rocker beam and the rear longitudinal beam. In some embodiments, the specific installation sequence can be as follows: firstly, the nut 133 is pressure riveted onto the second connecting surface 132 of the reinforcing plate 13, and then, the reinforcing plate with the nut 133 installed is inserted into the sill beam 1 from the end 11. In the cavity, the reinforcing plate is connected to the bottom wall 101 of the door sill beam 1 by riveting, the additional nut 14 is pressure riveted and connected to the front wall 102 of the door sill beam 1, and the bolt and the additional bolt pass through the connecting end of the rear longitudinal beam The through-holes 22, 23 of 21 are screwed into the nut 133 and the additional nut 14 respectively, and subsequently, the overlapping position of the sill beam and the rear longitudinal beam above the bolt connection area is further reinforced by self-tapping riveting. The methods according to the above embodiments are simple in connection and easy to operate.

The specific embodiments described above are only for describing the principle of the present utility model more clearly, wherein each component is clearly shown or described to make the principle of the present utility model easier to understand. Those skilled in the art can easily make various modifications or changes to the present invention without departing from the scope of the present invention. Therefore, it should be understood that all these modifications or changes should be included in the patent protection scope of the present utility model.

Claims (16)

1. A threshold beam assembly, comprising a threshold beam and a reinforcing plate, the threshold beam is an extruded part, which includes a side wall defining a cavity and two open ends, and the reinforcing plate extends from any of the open two ends or inserted into the cavity of the door sill beam, the reinforcement plate includes a first connection surface connected to the inner side of the door sill beam and a second connection surface for connecting with another component, the second connection surface Nuts are installed on the sill beam, and the side wall of the door sill beam has a plurality of openings corresponding to the positions of the nuts of the reinforcing plate. 2. The rocker beam assembly of claim 1, wherein the reinforcing plate includes angled first and second attachment surfaces. 3. The rocker beam assembly according to claim 2, wherein the first connecting surface and the second connecting surface of the reinforcing plate are perpendicular to each other. 4. The sill beam assembly according to claim 1, wherein the side wall of the sill beam includes a bottom wall, a top wall, a front wall and a rear wall, and the first connection surface of the reinforcing plate is connected to the The bottom wall of the door sill beam, and the plurality of openings are arranged on the front wall of the door sill beam. 5 . The door sill beam assembly according to claim 4 , wherein the first connection surface of the reinforcement plate is connected to the bottom wall of the door sill beam by riveting. 6. The door sill beam assembly according to claim 4, characterized in that, a plurality of nuts are pressure riveted on the second connecting surface of the reinforcing plate. 7. The door sill beam assembly according to any one of claims 1-6, characterized in that, additional nuts are blindly connected to the front wall of the door sill beam. 8. The rocker beam assembly according to any one of claims 1-6, wherein the rocker beam further comprises a plurality of staggered rib walls in the cavity. 9. A side rear body assembly, comprising the rocker beam assembly and the rear longitudinal beam as claimed in any one of claims 1-8, wherein the rear longitudinal beam comprises a connecting end through which a plurality of bolts pass. pass through the through hole of the connecting end of the rear longitudinal beam and the opening on the side wall of the rocker beam, and be received by the nut installed on the second connecting surface of the reinforcing plate. 10. The side rear body assembly according to claim 9, wherein the first connection surface of the reinforcing plate is connected to the bottom wall of the rocker beam, and the plurality of bolts pass through the rocker beam and is received by nuts on the second connecting face of the reinforcing plate. 11. The side rear body assembly according to claim 9 or 10, characterized in that additional nuts are riveted on the front wall of the sill beam, and the additional bolts pass through the connecting end of the rear longitudinal beam additional through-holes and is received by additional nuts on the front wall. 12. The side rear body assembly according to claim 9 or 10, characterized in that there is an overlapping position between the rocker beam and the rear longitudinal beam, and the rocker beam and the rear longitudinal beam pass through Reinforcement with self-tapping rivets at the overlapping locations. 13. The side rear body assembly according to claim 9 or 10, wherein the rear longitudinal beam is a casting, and the through hole at the connecting end of the rear longitudinal beam is formed during the casting process. 14. The side rear body assembly according to claim 9 or 10, wherein the rocker beam, the rear longitudinal beam and the reinforcing plate are all made of aluminum alloy. 15. A vehicle body assembly, characterized in that the vehicle body assembly comprises the side rear vehicle body assembly according to any one of claims 9-14. 16. An automobile, characterized in that the automobile comprises the body assembly as claimed in claim 15.