CN210502903U

CN210502903U - Rear floor assembly

Info

Publication number: CN210502903U
Application number: CN201921452702.8U
Authority: CN
Inventors: 汪隋; 宋正超; 范俊; 张伟伟; 张鹏飞
Original assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Current assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-12
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a rear floor assembly, rear floor panel and rear floor crossbeam including interconnect. The rear floor panel has a panel main body and a panel inclined plate provided on the panel main body, the panel inclined plate extending downward in a direction from the rear floor panel toward the rear floor cross member. The rear floor beam has a beam main body, a beam connecting portion and a beam inclined plate which are connected in this order, and the beam inclined plate extends downward from the rear floor beam in the direction toward the rear floor panel. The crossbeam hang plate is connected with the panel hang plate and makes to form between the two and dodge the space, conveniently installs safety seat fixed bolster and safety belt buckle fixing base on floor crossbeam hang plate in the back. The automobile upper safety seat can disperse a part of the dragging force of the safety seat to the safety seat fixing support and the dragging force of the safety belt to the safety belt buckle fixing seat from the cross beam inclined plate to bear the cross beam main body and the rear floor panel, so that the stress of the cross beam inclined plate is reduced, and the service life of the cross beam inclined plate is prolonged.

Description

Rear floor assembly

Technical Field

The utility model relates to an automobile parts field especially relates to a back floor subassembly.

Background

Nowadays, automobiles are common vehicles for daily travel, and safety belt fixing points and safety seat fixing points in riding are key safety-related components in an entire automobile system, so that the life safety of passengers is influenced. The automobile safety belt fixing point and the safety seat fixing point also have corresponding strong detection requirements. For the rear seat belt fixing points and the safety seat fixing points, it is a common design to weld a reinforcement plate for mounting the safety seat and a reinforcement block for mounting the belt buckle device on the rear floor cross member.

The existing reinforcing plate and reinforcing block have the defects of difficult installation, easy damage and the like, and the installation mode needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be convenient for install not fragile back floor subassembly.

The technical scheme of the utility model provides a rear floor assembly, which comprises a rear floor panel and a rear floor beam which are connected with each other, wherein the rear floor beam is connected with the rear end of the rear floor panel; the rear floor panel has a panel main body for mounting a rear seat and a panel tilt plate provided on the panel main body, wherein the panel tilt plate extends obliquely downward in a direction from the rear floor panel to the rear floor cross member; the rear floor cross member has a cross member main body, a cross member connecting plate and a cross member inclined plate which are connected in this order, wherein the cross member inclined plate extends obliquely downward in a direction from the rear floor cross member to the rear floor panel; the panel inclined plate is contacted with or connected with the beam inclined plate, and a concave avoidance space is formed between the panel inclined plate and the beam inclined plate; two safety seat fixing frames which are arranged at intervals and two safety belt buckle fixing seats which are arranged at intervals are arranged on the cross beam inclined plate, and the two safety belt buckle fixing seats are positioned between the two safety seat fixing frames; the safety seat fixing frame and the safety belt buckle fixing seat are located in the avoiding space.

Further, the beam inclined plate, the beam connecting portion, and the beam main body are integrally formed.

Further, a panel extension plate for supporting the beam inclined plate is provided on the panel inclined plate, wherein the panel extension plate extends obliquely upward in a direction from the rear floor panel to the rear floor beam.

Furthermore, the safety seat fixing frame comprises a fixing frame base part, a fixing frame connecting part and a fixing frame hook part which are sequentially connected; the fixing frame base is connected between the cross beam inclined plate and the panel extending plate, and the fixing frame hook part is located above the cross beam inclined plate.

Further, the safety belt buckle fixing seat comprises a gasket and a fixing bolt, the gasket is located on the upper surface of the cross beam inclined plate, the fixing bolt penetrates through the panel extending plate, the cross beam inclined plate and the gasket, and the top end of the fixing bolt is fixedly connected with the bottom end of the safety belt buckle fixing seat.

Furthermore, a protruding reinforcing rib is arranged between the two safety belt buckle fixing seats on the cross beam inclined plate.

Furthermore, the beam main body is provided with a beam bottom plate and two beam side walls, the two beam side walls are oppositely connected to two sides of the beam bottom plate, and the beam bottom plate and the two beam side walls are connected in a U shape; the beam connecting plate is connected with one beam side wall.

Furthermore, the beam main body further comprises a beam cover plate located above the beam bottom plate, and the beam cover plate is connected between the two beam side walls.

Furthermore, reinforcing ribs are arranged on the cross beam cover plate.

Furthermore, the beam connecting plate is provided with a reinforcing rib plate for connecting the beam inclined plate and the beam main body.

By adopting the technical scheme, the method has the following beneficial effects:

the utility model provides a back floor subassembly has back floor panel and back floor crossbeam, and back floor panel has the panel hang plate, and in the direction from back floor panel towards back floor crossbeam, the panel hang plate downwardly extending. The rear floor cross member has a cross member inclined plate extending downward in a direction from the rear floor cross member toward the rear floor panel. The crossbeam hang plate contacts or is connected with the panel hang plate to make to form between the two and dodge the space, conveniently install safety seat fixed bolster and safety belt buckle fixing base on the crossbeam hang plate. When the safety seat fixing support is subjected to pulling force from the safety seat and the safety belt buckle fixing seat is subjected to pulling force of the safety belt buckle device, the beam inclined plate can be subjected to two pulling forces which are dispersed to the beam main body and the beam connecting part and also can be dispersed to the rear floor panel, so that the pulling force applied to the beam inclined plate is reduced, and the service life of the beam inclined plate is prolonged.

Drawings

FIG. 1 is a schematic view of a rear floor assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a rear floor assembly in an embodiment of the present invention;

fig. 3 is a schematic view of a rear floor cross member according to an embodiment of the present invention;

fig. 4 is a top view of a cross member of the rear floor in an embodiment of the present invention;

fig. 5 is a partial cross-sectional view of a rear floor panel and a beam tilt panel according to an embodiment of the present invention;

fig. 6 is a schematic view of a beam tilt plate, a rear floor panel and a fixing bracket according to an embodiment of the present invention;

fig. 7 is a schematic view of an embodiment of the present invention, wherein the beam inclined plate, the rear floor panel and the seat belt buckle fixing seat are disposed on the same plane.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 5, an embodiment of the present invention provides a rear floor assembly 10, which includes a rear floor panel 1 and a rear floor cross member 2 connected to each other, wherein the rear floor cross member 2 is connected to a rear end of the rear floor panel 1.

The rear floor panel 1 has a panel main body 11 for mounting the rear seats and a panel inclined plate 12 provided on the panel main body 11, wherein the panel inclined plate 12 extends obliquely downward in a direction from the rear floor panel 1 to the rear floor cross member 2.

The rear floor cross member 2 has a cross member main body 21, a cross member connecting plate 22, and a cross member inclined plate 23 connected in this order, wherein the cross member inclined plate 23 extends obliquely downward in a direction from the rear floor cross member 2 to the rear floor panel 1.

The panel inclined plate 12 is in contact with or connected to the beam inclined plate 23, and a recessed escape space is formed between the panel inclined plate 12 and the beam inclined plate 23.

The beam inclined plate 23 is provided with two safety seat fixing frames 24 arranged at intervals and two safety belt buckle fixing seats 25 arranged at intervals, and the two safety belt buckle fixing seats 24 are positioned between the two safety seat fixing frames 25.

The safety seat mount 24 and the belt buckle holder 25 are located in the escape space.

The utility model provides a back floor subassembly 10 has the installation of being convenient for and not fragile characteristics as automobile structure's spare part. The automobile rear floor mainly comprises a rear floor panel 1 and a rear floor beam 2, wherein the rear floor panel 1 is positioned at the rear row of an automobile and forms a part of an automobile frame. The rear floor panel 1 is provided with a panel main body 11 and a panel inclined plate 12. The rear seat is located above the panel body 11. The panel inclined plate 12 extends obliquely downward in a direction from the rear floor panel 1 toward the rear floor cross member 2.

The rear floor beam 2 is an important component of the automobile frame, can disperse the stress of the automobile, and plays an extremely important role in the strength, the rigidity and the collision safety of the automobile body. The rear floor beam 2 is generally made of common steel or high-strength steel with the thickness of 1.0mm to 1.8 mm. The rear floor cross 2 has a cross body 21, a cross connecting plate 22, and a cross inclined plate 23. The beam main body 21 is located at the rear end of the rear floor panel 1, and the beam connecting plate 22 is horizontally connected between the beam main body 21 and the beam inclined plate 23. A beam inclined plate 23 is extended obliquely downward from the beam connecting plate 22 in a direction from the rear floor beam 2 toward the rear floor panel 1. The beam inclined plate 23 is connected or in contact with the panel inclined plate 12 so that a recessed escape space is formed between the panel inclined plate 12 and the beam inclined plate 23.

Two safety seat fixing supports 24 arranged at intervals and a safety belt buckle fixing seat 25 arranged at intervals are arranged on the cross beam inclined plate 23. The specific spacing distance is determined according to actual needs. Two belt buckle holders 25 are located between the two safety seat holders 24. The two safety seat fixing brackets 24 and the two safety belt buckle fixing seats 25 are located in the avoidance space. The beam inclined plate 23 is a rectangular flat plate, and the specific length and width are determined according to the actual positions of the safety seat fixing bracket 24 and the safety belt buckle fixing seat 25.

When the rear floor panel 1 is assembled with the rear floor cross member 2, a rear seat is mounted above the panel body 11. The beam main body 21 is located at the rear end of the rear floor panel 1, the beam inclined plate 23 is connected with the panel inclined plate, and then the safety seat fixing bracket 24 and the belt buckle fixing seat 25 are mounted on the beam inclined plate 23. The seat belt buckle holder 25 is used for mounting a seat belt buckle device. And the backrest of the back row seat is provided with a mounting hole, and when the safety seat needs to be fixed on the back row seat, the ISOFIX interface on the safety seat extends out of the mounting hole to be connected with the safety seat fixing support 24. A gap is formed at the joint of the backrest and the cushion of the back row seat, and the safety belt buckle device extends out of the back row seat from the gap of the back row seat.

The rear floor assembly 10 is an important structure in a rear safety system of a vehicle, and is inevitably shaken violently during the operation of the vehicle, and a safety seat and a safety belt are devices for protecting passengers in the vehicle from the impact of the violent shaking. The rear floor assembly 10 is also an important element of a vehicle safety system as a structure for securing a safety seat and a safety belt. When the rear floor assembly 10 is in use, the impact of the safety seat and the safety belt due to shaking can generate a buffering acting force, wherein the pulling force generated by the safety seat is transmitted to the safety seat fixing support 24 through the fixing belt, and the pulling force generated by the safety belt is transmitted to the safety belt buckle fixing seat 25 through the safety belt buckle device. And the safety seat fixing bracket 24 and the belt buckle fixing seat 25 are connected to the cross beam inclined plate 23, so that the pulling force is transmitted from the safety seat fixing bracket 24 and the belt buckle fixing seat 25 to the cross beam inclined plate 23. The beam inclined plate 23 is a rectangular flat plate, and is used as a whole for mounting the safety seat fixing support 24 and the safety belt buckle fixing seat 25, so that the beam inclined plate has stronger rigidity and hardness and can bear larger pulling force. Since the beam tilt plate 23 is connected to the beam main body 21 via the beam connecting plate 22, the pulling force applied to the beam tilt plate 23 can be transmitted to the beam main body 21 well. Thereby causing the beam body 21 to assume a portion of the pulling force. The beam inclined plate 23 is connected to the panel inclined plate 12, so that the rear floor panel 1 can bear a part of the pulling force.

The utility model provides a back floor subassembly 10 has back floor panel 1 and the back floor crossbeam 2 of being connected with back floor panel 1, be equipped with the safety seat fixed bolster 24 that is used for fixed safety seat and the safety belt buckle fixing base 25 of fixed safety belt buckle device on the crossbeam hang plate 23 simultaneously, when safety seat fixed bolster 24 received the power of pulling that comes from safety seat and safety belt buckle fixing base 25 received the power of pulling of safety belt buckle device, the one end of a monoblock crossbeam hang plate 23 is connected with crossbeam main part 21 through connecting crossbeam connecting plate 22, so crossbeam hang plate 23 can receive two power of pulling intensive dispersion to crossbeam main part 21 and crossbeam connecting plate 22 and bear, and the other end and the panel hang plate 12 of crossbeam hang plate 23 are connected, make back floor panel 1 also can share some power of pulling. Therefore, the pulling force applied to the beam inclined plate 23 is reduced, and the service life of the beam inclined plate 23 is prolonged.

Preferably, as shown in fig. 1 to 3, the beam inclined plate 23, the beam connecting plate 22 and the beam main body 21 are integrally formed.

The design in which the beam inclined plate 23 is integrally formed with the beam connecting plate 22 and the beam main body 21 allows the entire rear floor beam 2 to be produced by one mold, reducing the cost of designing a molding mold for the beam inclined plate 23 alone. And integrated into one piece compares beam hang plate 23 and the independent part molding of crossbeam main part 21, has reduced and has used the welding process's expense on welding crossbeam hang plate 23 to crossbeam main part 21, has reduced manufacturing cost.

Preferably, as shown in fig. 2 and 5, a panel extension plate 13 for supporting the beam inclined plate 23 is provided on the panel inclined plate 12, wherein the panel extension plate 13 extends obliquely upward in a direction from the rear floor panel 1 to the rear floor beam 2. The panel extending plate 13 extends obliquely upward from the end of the panel tilting plate 12 and contacts the beam tilting plate 23. Therefore, the beam tilt plate 23 is supported, and the thickness of the beam tilt plate 23 is reinforced.

Preferably, as shown in fig. 2 to 5 and 6, the safety seat holder 24 includes a holder base portion 241, a holder connecting portion 242, and a holder hook portion 243, which are connected in sequence. The mount base 241 is connected between the beam tilt plate 23 and the panel extension plate 13, and the mount hook 243 is located above the beam tilt plate 23.

The inclination angle of the beam inclined plate 23 is the same as that of the panel extension plate 13. The upper surface of the mount base 241 is welded to the lower surface of the beam inclined plate 23, and the lower surface of the mount base 241 is welded to the upper surface of the panel extension plate 13. So that the safety seat fixing bracket 24 is fixed to the beam inclined plate 23 and the safety seat fixing bracket 24, the beam inclined plate 23 and the panel inclined plate 13 are integrally connected. When the safety seat fixing bracket 24 receives the pulling force of the safety seat, the pulling force can be transmitted to the beam inclined plate 23 through the safety seat fixing bracket 24, and can also be transmitted to the rear floor panel 1 through the safety seat fixing bracket 24, so that the pulling force received by the beam inclined plate 23 can be reduced, and the beam inclined plate 23 is not easy to damage. Secondly, the safety seat fixing bracket 24 is clamped between the beam inclined plate 23 and the panel inclined plate 13, and the safety seat fixing bracket 24 is clamped by the beam inclined plate 23 and the panel inclined plate 13, so that the safety seat fixing bracket 24 can be more stably installed.

Preferably, as shown in fig. 2 to 5 and 7, the seat belt buckle fixing seat 25 includes a spacer 251 and a fixing bolt 252, the spacer 251 is located on the upper surface of the beam inclined plate 23, the fixing bolt 252 penetrates through the panel extension plate 13, the beam inclined plate 23 and the spacer 251, and the top end of the fixing bolt 252 is fixedly connected to the bottom end of the seat belt buckle fixing seat 25.

The spacer 251 is provided with a through hole for engagement with the fixing bolt 252, the through hole penetrating the spacer 251. Through holes for fixing bolts 252 to pass through are provided in the beam inclined plate 23 and the panel extension plate 13. When the safety belt buckle fixing seat 25 is installed, the through holes on the rear floor surface 1 on the beam inclined plate 23 are aligned, then the fixing bolts 252 penetrate through the through holes from the lower surface of the panel extending plate 13 and are exposed out of the beam inclined plate 23, and finally the bottom end of the safety belt buckle fixing seat 25 is matched and fixed with the top end of the fixing bolts 252, so that the safety belt buckle fixing seat 25 is fixed on the beam inclined plate 23, and the beam inclined plate 23 is fixed with the panel extending plate 13. Fixing bolt 252 is from up passing panel extension board 13 and crossbeam hang plate 23 down, and is linked into whole with back floor panel 1 and crossbeam hang plate 23 for back floor panel 1 can replace crossbeam hang plate 23 to undertake partial dragging force, avoids crossbeam hang plate 23 to receive the damage, has prolonged the life of crossbeam hang plate 23.

Preferably, as shown in fig. 2-4, the beam inclined plate 23 is provided with a raised rib 231 between the two belt buckle holders 25.

The seat belt buckle fixing seat 25 is used for being connected and fixed with a seat belt buckle device, and the seat belt has the function that when the automobile shakes violently, the seat belt can reduce the inertia impact of the passenger caused by the shaking of the automobile. And the belt will exert a pulling force on the belt buckle holder 25 in order to relieve such an impact force. In order to prevent the belt from being damaged by a large pulling force generated suddenly, the belt buckle fixing seat 25 and the beam inclined plate 23 are provided with a reinforcing rib 231 between the belt buckle fixing seats 25 to reinforce the strength of the beam inclined plate 23 and prolong the service life of the beam inclined plate 23.

Preferably, as shown in fig. 1 to 3, the beam body 21 has a beam bottom plate 211 and two beam side walls 212, the two beam side walls 212 are oppositely connected to both sides of the beam bottom plate 211, and the beam bottom plate 211 and the two beam side walls 212 are connected in a U shape. The beam connection plate 22 is connected to one beam side wall 212.

The beam main body 21 has a beam bottom plate 211 extending left and right, the beam bottom plate 211 is flat, one beam side wall 212 vertically extends on each of the front and rear sides of the beam bottom plate 211, and the beam side wall 212 located at the front end of the beam bottom plate 211 extends forward to form a sheet-shaped beam side wall connecting section. The beam side wall connecting sections are located on both sides of the beam connecting plate 22 and connected with the side edges of the beam connecting plate 22.

The rear floor cross beam 2 is a structure which is used for dispersing and bearing the stress of a vehicle frame in the whole vehicle frame structure, the cross beam main body 21 of the rear floor cross beam 2 is arranged into a structural form with a cross beam bottom plate 211 and two cross beam side walls 212, the cross beam main body 21 is a U-shaped frame which is formed by enclosing the cross beam bottom plate 211 and the two cross beam side walls 212, and the structure of the frame increases the hardness and the strength of the cross beam main body 21, so that the rear floor cross beam can bear larger stress. And the sheet-like beam side wall connection portion thereof increases the contact area of the beam main body 21 with the rear floor panel 1, thereby increasing the welding area therebetween.

Preferably, as shown in fig. 3, the beam body 21 further includes a beam cover 213 positioned above the beam base 211, the beam cover 213 being connected between the two beam sidewalls 212.

Two crossbeam lateral walls 212 are provided with a left and right extending clamping groove, and two sides of the crossbeam cover plate 213 are respectively and correspondingly arranged in the two clamping grooves, so that the two crossbeam lateral walls 212 are connected into a whole. The beam cover 213 supports the two beam sidewalls 212 and distributes a portion of the forces experienced by the beam sidewalls 212. Therefore, the beam main body 21 can bear more stress, the strength of the rear floor beam 2 is enhanced, and the service life is prolonged.

Preferably, as shown in fig. 3, the beam cover 213 is provided with a reinforcing rib 2131. The reinforcement ribs 2131 increase the strength of the beam cover 213, allowing the beam cover 213 to withstand greater forces.

Preferably, as shown in fig. 3, the beam connecting plate 22 is provided with a reinforcing rib 221 that connects the beam inclined plate 23 and the beam main body 21. The reinforcing rib 221 reinforces the strength of the beam connecting plate 22, so that the beam connecting plate 22 can bear a larger force, and the connection between the beam inclined plate 23 and the beam main body 21 is more stable.

To sum up, the utility model provides a back floor subassembly has back floor panel and back floor crossbeam, and back floor crossbeam is connected with back floor panel, and back floor panel has the panel main part and sets up the panel hang plate in the panel main part, and in the direction from back floor panel towards back floor crossbeam, the panel hang plate downwardly extending. The rear floor cross member has a cross member main body, a cross member connecting plate and a cross member inclined plate which are connected in this order, and the cross member inclined plate extends downward in a direction from the rear floor cross member toward the rear floor panel. The crossbeam hang plate is connected with the panel hang plate and makes to form between the two and dodge the space, conveniently installs safety seat fixed bolster and safety belt buckle fixing base on the crossbeam hang plate. When the safety seat fixing support is subjected to pulling force from the safety seat and the safety belt buckle fixing seat is subjected to pulling force of the safety belt buckle device, the beam inclined plate can be subjected to two pulling forces which are dispersed to the beam main body and the beam connecting part and also can be dispersed to the rear floor panel, so that the pulling force applied to the beam inclined plate is reduced, and the service life of the beam inclined plate is prolonged.

According to the needs, the above technical schemes can be combined to achieve the best technical effect.

What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.

Claims

1. A rear floor assembly comprising a rear floor panel and a rear floor beam connected to each other, the rear floor beam being connected to a rear end of the rear floor panel;

the rear floor panel has a panel main body for mounting a rear seat and a panel tilt plate provided on the panel main body, wherein the panel tilt plate extends obliquely downward in a direction from the rear floor panel to the rear floor cross member;

the rear floor cross member has a cross member main body, a cross member connecting plate and a cross member inclined plate which are connected in this order, wherein the cross member inclined plate extends obliquely downward in a direction from the rear floor cross member to the rear floor panel;

the panel inclined plate is contacted with or connected with the beam inclined plate, and a concave avoidance space is formed between the panel inclined plate and the beam inclined plate;

two safety seat fixing frames which are arranged at intervals and two safety belt buckle fixing seats which are arranged at intervals are arranged on the cross beam inclined plate, and the two safety belt buckle fixing seats are positioned between the two safety seat fixing frames;

the safety seat fixing frame and the safety belt buckle fixing seat are located in the avoiding space.

2. The rear floor assembly as claimed in claim 1, wherein the beam inclined plate, the beam connection portion and the beam main body are integrally formed.

3. The rear floor assembly according to claim 1, wherein a panel extension plate for supporting the cross member inclined plate is provided on the panel inclined plate, wherein the panel extension plate extends obliquely upward in a direction from the rear floor panel to the rear floor cross member.

4. The rear floor assembly of claim 3, wherein the safety seat mount comprises a mount base, a mount connecting portion, and a mount hook portion connected in series;

the fixing frame base is connected between the cross beam inclined plate and the panel extending plate, and the fixing frame hook part is located above the cross beam inclined plate.

5. The rear floor assembly of claim 3, wherein the seat belt buckle holder includes a spacer located on an upper surface of the beam tilt plate and a fixing bolt passing through the panel extension plate, the beam tilt plate and the spacer, and a top end of the fixing bolt is fixedly connected to a bottom end of the seat belt buckle holder.

6. The rear floor assembly as claimed in claim 1, wherein a raised rib is provided on the cross beam tilt plate between the two belt buckle holders.

7. The rear floor assembly of claim 1, wherein said beam body has a beam floor and two beam side walls, said two beam side walls being connected oppositely on either side of said beam floor, said beam floor and said two beam side walls being connected in a U-shape;

the beam connecting plate is connected with one beam side wall.

8. The rear floor assembly of claim 7, wherein said beam body further includes a beam cover above said beam floor, said beam cover being connected between two of said beam sidewalls.

9. The rear floor assembly of claim 8, wherein the cross beam cover is provided with a reinforcement rib.

10. The rear floor assembly as claimed in claim 1, wherein the beam connection plate is provided with a reinforcing rib connecting the beam inclined plate and the beam main body.