Rear seat and rear floor crossbeam mounting structure and automobile

Abstract

The present invention discloses a mounting structure for a rear seat and a rear floor crossbeam, which is used to connect the rear seat to the rear floor crossbeam. The mounting structure includes a mounting plate and a seat mounting hole, a seat belt mounting hole, a seat belt anti-rotation structure and a seat hook arranged on the mounting plate. The seat hook is bent toward the rear direction of the car. The seat mounting hole is used to mount the rear seat on the mounting plate. The seat belt mounting hole is used to fix the fixed end of the seat belt on the mounting plate. The seat belt anti-rotation structure is used to prevent the fixed end of the seat belt from rotating. The seat hook is used to prevent the rear seat from sliding toward the front of the car. The present invention solves the problems of a large number of parts, high cost, heavy weight and complicated assembly procedures when installing the rear seat and the rear floor crossbeam by integrating the seat mounting hole, the seat belt mounting hole, the seat belt anti-rotation structure and the seat hook on a mounting plate. The present invention also discloses a car, including the mounting structure as described above.

Description

Technical Field

[0001] The invention relates to the technical field of automobiles, and in particular to an installation structure of a rear seat and a rear floor crossbeam and an automobile. Background Art

[0002] During the car body development process, the structure and performance of the seat and seat belt mounting points are areas that need to be focused on. The seat and seat belt mounting point structure involves regulations and collision safety, as well as seat comfort and NVH (NoiseVibrationHarshness). Therefore, a good seat and seat belt mounting point structure design can ensure collision safety while improving the comfort of consumers during driving.

[0003] The installation of the rear seats of a car on the rear floor needs to meet the seat installation requirements, passive safety requirements and the strength requirements of the rear floor. The existing connection structure between the rear seats of a car and the rear floor includes a seat mounting plate, a seat belt lower fixing plate and welding nuts welded at the connection holes of the seat mounting plate and the connection holes of the seat belt lower fixing plate. The seat mounting plate and the seat belt lower fixing plate are directly welded to the lower surface of the rear floor. The rear floor is provided with mounting holes corresponding to the connecting holes. The fastening bolts pass through the mounting holes and the connecting holes and cooperate with the welding nuts to install the rear seats of the car on the rear floor. However, in traditional steel car bodies, in order to meet the strength performance of the seat and seat belt mounting points, the seat mounting points and seat belt mounting points are generally reinforced with high-strength steel, and a very thick nut plate is added to meet the strength performance of the mounting points, and the seat belt anti-rotation adopts a structure with raised ribs on the floor panel.

[0004] At present, the mainstream white body structure in the market is steel body, and its rear seats, rear floor and seat belt mounting point structure are respectively formed by floor panel, high-strength steel reinforcement plate and nut plate to form a three-layer welded structure. The seat belt anti-rotation structure adopts the form of panel as convex rib, and the seat hook is made of reinforcement plate and annular iron cylinder. These structures can well meet the relevant performance through reasonable structural design and reasonable material thickness definition. However, there are common problems such as large number of parts, high cost, heavy weight and complicated assembly procedures. Summary of the invention

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide a mounting structure for a rear seat and a rear floor cross beam and a vehicle, so as to solve the problems in the prior art of large number of parts, high cost, heavy weight and complicated assembly procedures when installing the rear seat and the rear floor cross beam.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] The present invention provides a mounting structure for a rear seat and a rear floor cross beam, which is used for connecting the rear seat and the rear floor cross beam. The mounting structure comprises a mounting plate and a seat mounting hole, a safety belt mounting hole, a safety belt anti-rotation structure and a seat hook arranged on the mounting plate. The seat hook is bent toward the rear direction of the automobile. The seat mounting hole is used for mounting the rear seat on the mounting plate. The safety belt mounting hole is used for fixing the fixed end of the safety belt on the mounting plate. The safety belt anti-rotation structure is used for preventing the fixed end of the safety belt from rotating. The seat hook is used for preventing the rear seat from sliding toward the front of the automobile.

[0008] Furthermore, the seat mounting hole is located on one side of the mounting plate, the seat hook is located on the other side of the mounting plate, and the safety belt mounting hole and the safety belt anti-rotation structure are located in the middle portion of the mounting plate.

[0009] Furthermore, the number of the seat mounting holes is two, and the connection direction of the two seat mounting holes is parallel to the forward direction of the vehicle.

[0010] Furthermore, the safety belt anti-rotation structure protrudes upward relative to the mounting plate.

[0011] Furthermore, the safety belt anti-rotation structure is T-shaped, including an anti-rotation groove and a connection reinforcement portion, the anti-rotation groove abuts against the fixed end of the safety belt, and the connection reinforcement portion is used to strengthen the strength of the safety belt anti-rotation structure.

[0012] Furthermore, the mounting plate is made of aluminum alloy material.

[0013] The present invention also provides a car, comprising a rear floor beam, a rear seat, a safety belt and the mounting structure as described above, wherein the rear seat is connected to the rear floor beam via the mounting structure, and the fixed end of the safety belt is connected to the mounting structure via the safety belt mounting hole.

[0014] Further, the mounting plate is connected to the rear floor cross member by means of rotary tapping rivets.

[0015] Furthermore, the rear floor cross beam is provided with a first mounting hole corresponding to the seat mounting hole and a second mounting hole corresponding to the safety belt mounting hole.

[0016] Furthermore, the rear floor cross beam is a hollow structure.

[0017] The beneficial effects of the present invention are as follows: the present invention discloses a mounting structure for a rear seat and a rear floor crossbeam, which is used to connect the rear seat and the rear floor crossbeam, and the mounting structure includes a mounting plate and a seat mounting hole, a seat belt mounting hole, a seat belt anti-rotation structure and a seat hook arranged on the upper surface of the mounting plate, and the seat hook is bent toward the rear direction of the car. The present invention integrates the seat mounting hole, the seat belt mounting hole, the seat belt anti-rotation structure and the seat hook on a mounting plate, so that the installation of the rear seat and the rear floor crossbeam is more convenient, the installation time is saved, and the problems of a large number of parts, high cost, heavy weight and complicated assembly procedures when installing the rear seat and the rear floor crossbeam in the prior art are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the planar structure when the mounting structure and the rear floor crossbeam are installed in the present invention;

[0019] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure at the middle line AA;

[0020] Figure 3 It is a schematic diagram of the planar structure of the installation structure in the present invention;

[0021] Figure 4 It is a schematic diagram of the planar structure of the rear floor crossbeam in the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure when the rear seats and the rear floor crossbeam are installed in the present invention;

[0023] Figure 6 yes Figure 5 A partial enlarged schematic diagram of point E in the middle;

[0024] In the figure: mounting structure 10, mounting plate 11, seat mounting hole 12, seat belt mounting hole 13, seat belt anti-rotation structure 14, anti-rotation groove 141, connection reinforcement part 142, wiring harness connection hole 143, seat hook 15, rotary tapping rivet 16; rear floor cross beam 20, first mounting hole 21, second mounting hole 22; rear seat 30; seat belt 40, fixed end 41, buckle 42, webbing 43, retractor 44; wiring harness 50. DETAILED DESCRIPTION

[0025] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following is a detailed description of the specific implementation, structure, features and effects of the mounting structure of the rear seat and the rear floor cross beam and the automobile proposed by the present invention in combination with the accompanying drawings and preferred embodiments as follows:

[0026] Figure 1is a schematic diagram of the planar structure when the mounting structure and the rear floor crossbeam are installed in the present invention, Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure along AA. Figure 3 is a schematic diagram of the planar structure of the installation structure in the present invention, Figure 4 It is a schematic diagram of the planar structure of the rear floor crossbeam in the present invention.

[0027] Please refer to Figure 1-Figure 4 The mounting structure of the rear seat and the rear floor cross beam provided by the present invention is used to connect the rear seat 30 with the rear floor cross beam 20. The mounting structure 10 includes a mounting plate 11 and a seat mounting hole 12, a seat belt mounting hole 13, a seat belt anti-rotation structure 14 and a seat hook 15 arranged on the mounting plate 11. The seat hook 15 is bent toward the rear direction of the car. The seat mounting hole 12 is used to mount the rear seat 30 on the mounting plate 11. The seat belt mounting hole 13 is used to fix the fixed end 41 of the seat belt 40 on the mounting plate 11. The seat belt anti-rotation structure 14 is used to prevent the fixed end 41 of the seat belt 40 from rotating. The seat hook 15 is used to prevent the rear seat 30 from sliding toward the front of the car. That is, when the car collides or brakes urgently, since both the person and the rear seat 30 have the inertia of moving forward, after the bolts of the seat mounting hole 12 are loosened, the seat hook 15 can be used to prevent the rear seat 30 from sliding toward the front of the car. In other embodiments, the seat hook 15 may also be configured to be bent toward the front of the vehicle to further prevent the rear seat 30 from sliding backward when the vehicle is rear-ended.

[0028] In this embodiment, the seat mounting hole 12 is located on one side of the mounting plate 11, the seat hook 15 is located on the other side of the mounting plate 11, and the seat belt mounting hole 13 and the seat belt anti-rotation structure 14 are located in the middle of the mounting plate 11. Figure 1 For reference, the seat mounting hole 12 is located on the left side of the mounting plate 11, the seat hook 15 is located on the right side of the mounting plate 11, the seat belt mounting hole 13 and the seat belt anti-rotation structure 14 are located in the middle of the mounting plate 11, and the connection line of the seat belt mounting hole 13 and the seat belt anti-rotation structure 14 is perpendicular to the rear floor beam, that is, the connection line of the seat belt mounting hole 13 and the seat belt anti-rotation structure 14 is parallel to the front and rear direction of the car. Of course, in other embodiments, the positions of the seat mounting hole 12, the seat belt mounting hole 13, the seat belt anti-rotation structure 14 and the seat hook 15 on the mounting plate 11 can be reasonably exchanged, and are not limited to this.

[0029] In this embodiment, there are two seat mounting holes 12, and the connecting line of the two seat mounting holes 12 is parallel to the forward direction of the vehicle, that is, perpendicular to the rear floor beam 20. This arrangement is more conducive to the front and rear forces of the rear seats 30, making the rear seats 30 more stable when connected to the rear floor beam 20.

[0030] In the present embodiment, the seat belt anti-rotation structure 14 protrudes upward relative to the mounting plate 11. The seat belt anti-rotation structure 14 is T-shaped, and includes an anti-rotation groove 141 and a connection reinforcement portion 142. The anti-rotation groove 141 is arranged toward the seat belt mounting hole 13. The fixed end 41 of the seat belt 40 is provided with a protrusion corresponding to the anti-rotation groove 141 on the seat belt anti-rotation structure 14. The protrusion on the fixed end 41 is inserted into the anti-rotation groove 141, so that the fixed end 41 of the seat belt 40 abuts against the anti-rotation groove 141 during installation, thereby preventing the fixed end 41 of the seat belt 40 from rotating in the horizontal direction. The connection reinforcement portion 142 is used to strengthen the strength of the seat belt anti-rotation structure 14. The seat belt anti-rotation structure 14 is also provided with a wiring harness connection hole 143. The wiring harness connection hole 143 is located on the connection reinforcement portion 142. The wiring harness 50 ( Figure 6 ) is connected to the wiring harness connection hole 143, and the wiring harness connection hole 143 is used as the grounding terminal of the automobile circuit.

[0031] In this embodiment, the mounting plate 11 is made of aluminum alloy material, which further reduces the mass of the mounting plate 11 .

[0032] Figure 5 is a schematic diagram of the three-dimensional structure of the rear seat and the rear floor crossbeam when installed in the present invention, Figure 6 yes Figure 5 The enlarged diagram of the part at E in the middle. Please refer to Figure 5 and Figure 6 The present invention also provides a car, comprising a rear floor crossbeam 20, a rear seat 30, a safety belt 40 and the mounting structure 10 as described above, wherein the rear seat 30 is connected to the rear floor crossbeam 20 through the mounting structure 10, and the fixed end 41 of the safety belt 40 is connected to the mounting structure 10 through the safety belt mounting hole 13. The rear floor crossbeam 20 is a component of the rear floor of the car, which can enhance the strength of the rear floor. In this embodiment, the safety belt 40 also includes a lock 42, a webbing 43 and a retractor 44, and the retractor 44 is fixed to the bracket of the rear seat 30, wherein the rear seat 30 is also provided with a latch (not shown), and the lock 42 can be inserted into the latch.

[0033] In this embodiment, the mounting plate 11 is connected to the rear floor cross beam 20 by means of rotary tapping rivets 16. Compared with the traditional welding connection method, the connection by means of rotary tapping rivets 16 is more convenient during installation. As for the rotary tapping rivets 16, reference can be made to the prior art and will not be described here. Of course, holes can also be punched at corresponding positions of the mounting plate 11 and the rear floor cross beam 20, and then connected by bolts.

[0034] In this embodiment, the rear floor cross beam 20 is provided with a first mounting hole 21 corresponding to the seat mounting hole 12 and a second mounting hole 22 corresponding to the seat belt mounting hole 13. The seat mounting hole 12 and the first mounting hole 21 may be tapped with threads, and the seat belt mounting hole 13 and the second mounting hole 22 may be tapped with threads. The rear seat 30 and the seat belt 40 are connected to the mounting structure 10 and the rear floor cross beam 20 by screws. Of course, the rear seat 30 and the seat belt 40 may also be connected to the mounting structure 10 and the rear floor cross beam 20 by bolts.

[0035] In this embodiment, the rear floor cross beam 20 is a hollow structure, and the rear floor cross beam 20 can also be formed with aluminum alloy as the basic material, which can not only enhance the strength of the rear floor but also reduce the weight of the entire vehicle.

[0036] In this document, the directional words such as up, down, left, right, front, and back are defined by the positions of the structures in the drawings and the positions of the structures relative to each other, and are only for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the directional words should not limit the scope of protection claimed in this application.

[0037] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to the technical contents disclosed above without departing from the scope of the technical solution of the present invention, which are equivalent embodiments of equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A rear seat and rear floor beam mounting structure, used to connect a rear seat (30) and a rear floor beam (20), characterized in that: The mounting structure (10) comprises a mounting plate (11) and a seat mounting hole (12), a safety belt mounting hole (13), a safety belt anti-rotation structure (14) and a seat hook (15) arranged on the mounting plate (11); the seat hook (15) is bent toward the rear of the vehicle; the seat mounting hole (12) is used to mount a rear seat (30) on the mounting plate (11); the safety belt mounting hole (13) is used to fix a fixed end (41) of a safety belt (40) to the mounting plate (11); the safety belt anti-rotation structure (14) is used to prevent the fixed end (41) of the safety belt (40) from rotating; and the seat hook (15) is used to prevent the rear seat (30) from sliding toward the front of the vehicle; The safety belt anti-rotation structure (14) comprises an anti-rotation groove (141), the anti-rotation groove (141) is arranged towards the safety belt mounting hole (13), and the anti-rotation groove (141) abuts against the fixed end (41) of the safety belt (40).

2. The mounting structure of the rear seat and the rear floor crossbeam according to claim 1, characterized in that: The seat mounting hole (12) is located on one side of the mounting plate (11), the seat hook (15) is located on the other side of the mounting plate (11), and the safety belt mounting hole (13) and the safety belt anti-rotation structure (14) are located in the middle of the mounting plate (11).

3. The mounting structure of the rear seat and the rear floor crossbeam according to claim 1, characterized in that: The number of the seat mounting holes (12) is two, and the connection direction of the two seat mounting holes (12) is parallel to the forward direction of the vehicle.

4. The mounting structure of the rear seat and the rear floor crossbeam according to claim 1, characterized in that: The safety belt anti-rotation structure (14) protrudes upward relative to the mounting plate (11).

5. The mounting structure of the rear seat and the rear floor crossbeam according to claim 1, characterized in that: The safety belt anti-rotation structure (14) is T-shaped and comprises a connection reinforcement portion (142), wherein the connection reinforcement portion (142) is used to strengthen the strength of the safety belt anti-rotation structure (14).

6. The mounting structure of the rear seat and the rear floor crossbeam according to claim 1, characterized in that: The mounting plate (11) is made of aluminum alloy material.

7. A car, characterized in that: The invention comprises a rear floor cross beam (20), a rear seat (30), a safety belt (40) and a mounting structure (10) as claimed in any one of claims 1 to 6, wherein the rear seat (30) is connected to the rear floor cross beam (20) via the mounting structure (10), and a fixed end (41) of the safety belt (40) is connected to the mounting structure (10) via the safety belt mounting hole (13).

8. The automobile according to claim 7, characterized in that: The mounting plate (11) is connected to the rear floor crossbeam (20) via rotary tapping rivets (16).

9. The automobile according to claim 7, characterized in that: The rear floor cross beam (20) is provided with a first mounting hole (21) corresponding to the seat mounting hole (12) and a second mounting hole (22) corresponding to the safety belt mounting hole (13).

10. The automobile according to claim 7, characterized in that: The rear floor cross beam (20) is a hollow structure.

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