CN117163166A - Rear floor assembly, manufacturing method of rear floor assembly and automobile - Google Patents

Abstract

The application provides a rear floor assembly, a rear floor assembly manufacturing method and an automobile, and relates to the technical field of auto parts. The rear floor assembly is used to constitute the body of the vehicle and includes a front panel and a rear panel. The front panel is used to support the vehicle. The rear seat and the rear panel are used to support the trunk of the vehicle. The front panel and the rear panel are connected in sequence along the length direction of the vehicle. The rear panel includes a first rear side panel, a storage slot and a second rear panel that are connected in sequence along the width direction of the vehicle. Section side panel, in which the storage slot includes a storage slot enclosure and a storage slot lower plate. The storage slot lower plate is located on one side of the storage slot enclosure in the vehicle height direction, and the storage slot enclosure is at opposite ends in the vehicle width direction. The glove compartment enclosure is connected to the first rear section side panel and the second rear section side panel respectively. The glove compartment enclosure is connected to the edge of the glove compartment lower plate adjacent to the edge of the glove compartment lower plate in the height direction of the vehicle. The glove compartment enclosure The plate and the lower plate of the storage trough form a cavity of the storage trough.

Description

Rear floor assembly, rear floor assembly manufacturing method and automobile

Technical field

The present application relates to the field of automobiles, in particular to the technical field of automobile parts, and specifically to a rear floor assembly, a rear floor assembly manufacturing method and an automobile.

Background technique

The automobile rear floor assembly is an important part of the automobile body in white and the foundation of the entire vehicle. They support the upper body, opening and closing parts, other assemblies and related accessories, and the weight of the occupants. They also bear the weight of the vehicle movement. Load, vibration, impact and torque. Since the car parts are distributed in different positions, the loads, vibrations, impacts and torques generated by different positions of the car's rear floor are different. Therefore, during the car processing process, there are processing requirements for various areas of the car's rear floor. are different.

The rear floor of a car is usually stamped from a whole plate, which results in a complex molding process. The mold used is large in size and has high requirements on the stamping machine, resulting in higher production costs. In order to solve this technical problem, related technologies will The rear floor assembly is divided into segmented structures for stamping. However, the entire rear section of the rear floor of the car is still stamped for production. During the production process, it is prone to deformation and cracking, poor formability, and resonance, resulting in insufficient stamping depth. Automotive needs and has poor stiffness and strength.

Contents of the invention

The present application provides a rear floor assembly, a rear floor assembly manufacturing method and a car, so as to at least solve the problems in related technologies such as insufficient stamping depth and poor stiffness and strength in the rear section of the rear floor of the car. The technical solution of this application is as follows:

According to a first aspect of the present application, a rear floor assembly is provided. The rear floor assembly is used to form a vehicle body. The rear floor assembly includes a front panel and a rear panel. The front panel is used to support the rear seat of the vehicle. The rear panel is used to support the trunk of the vehicle. The front panel and the rear panel are connected in sequence along the length direction of the vehicle. The rear panel includes a first rear side panel, a storage slot and a second rear side panel that are connected in sequence along the width direction of the vehicle. .

Wherein, the glove compartment includes a glove compartment enclosure and a glove compartment lower plate. The glove compartment lower plate is located on one side of the glove compartment enclosure in the height direction of the vehicle. Two opposite ends of the glove compartment enclosure in the vehicle width direction are respectively connected with the first The rear section side panel and the second rear section side panel are connected to the glove compartment enclosure. The glove compartment enclosure is connected to the edge of the glove compartment lower plate adjacent to the edge of the glove compartment lower plate in the height direction of the vehicle. The glove compartment enclosure is connected to the glove compartment. The lower plate surrounds the cavity of the storage slot.

According to the above technical means, the rear floor assembly in this application includes a front panel and a rear panel. The rear floor assembly can be processed in sections. The storage tank area in the rear panel is divided into a storage slot enclosure and a storage slot lower panel. The two parts of the board are processed separately, so during the production process, different materials can be selected and stamped separately according to the specific stamping requirements.

In this application, the two components of the storage trough enclosure and the storage trough lower plate can be processed using different sheet materials. The storage trough enclosure can focus on selecting sheet materials with good ductility for processing, and the storage trough lower plate can focus on selecting Compared with conventional one-piece whole-plate stamping, the storage trough enclosure in this application can be punched to a deeper area, while the lower plate of the storage trough has a stronger bearing capacity. That is, this application deepens the Stamping depth in the rear section of the floor also increases stiffness and strength.

In a possible implementation, the storage tank enclosure includes a enclosure body and a connecting plate. The connection plate is located on the outer peripheral side of the enclosure body and is connected to an edge of the enclosure body away from the lower panel of the enclosure. The connection plate is along the edge of the enclosure body. The main body of the enclosure extends from an edge away from the lower plate of the storage slot and is connected to the first rear section side panel and the second rear section side panel; the side of the connecting plate away from the lower plate of the storage slot is provided with a plurality of reinforcing ribs, and the storage slot The inner circumferential side of the hoarding is provided with a plurality of reinforcing ribs.

According to the above technical means, in this application, the main body of the hoarding is connected to the first rear section side panel and the second rear section side panel through the connecting plate, and the rear section panel is further divided into the first rear section side panel and the second rear section side panel. The panel and the main body of the coaming panel are connected to the lower panel of the storage slot and the connecting plate. The other end of the connecting plate away from the main body of the coaming panel is connected to the first rear section side panel and the second rear section side panel.

Since each section of the structure is in a different location, it plays a different specific role at the specific location, so the sheet metal properties it requires are also different. Usually, in the integrated production process, the entire sheet needs to have all the structural requirements. performance, and the rear panel in this application adopts a multi-section segmented structure, and different sheet materials can be used to process each part separately, which reduces the processing cost while meeting component requirements.

In one possible implementation, the lower panel of the storage slot is recessed in a direction away from the surround of the storage slot to form a storage space. The side wall surface of the storage space includes a guide slope, and the guide slope is located in the direction of the length of the vehicle away from the front panel of the storage space. one side.

According to the above technical means, there is a height difference between the storage space in this application and the plane of the trunk. The storage space has a certain storage space and can be used to place functional parts such as spare tires and car chargers, which expands the storage space of the car trunk. The total volume improves the space utilization of the car. At the same time, the guide slope has a certain inclination angle, making it easier for users to pick up and place items.

In a possible implementation, the rear floor assembly also includes a tow hook assembly. The tow hook assembly includes a tow hook bracket and a tow hook. The tow hook bracket is connected to the side surface of the lower panel of the storage tank away from the storage slot enclosure. The hook bracket is arranged along the length direction of the vehicle, and the tow hook is arranged on a side surface of the tow hook bracket away from the lower plate of the storage tank. The tow hook is used to install a tow rope.

According to the above technical means, in this application, the tow hook assembly is divided into two parts: the tow hook bracket and the tow hook, which facilitates processing. At the same time, the tow hook bracket and the tow hook can be processed using sheets of different materials, and the tow hook is directly connected to the tow hook. The difference in the rear panel connection is that the tow hook in this application is connected to the rear panel of the car through a tow hook bracket, thereby increasing the connection area with the rear panel. That is, by adding the tow hook bracket, the tow hook is enhanced. The strength of the connection between the hook and the rear section panel.

In addition, when using the tow hook assembly to tow a car, due to the existence of the tow hook bracket, the contact area between the entire tow hook assembly and the rear panel is increased, making it easier for the operator to operate.

In a possible implementation, the tow hook includes a first side plate, a second side plate and a bottom plate. The first side plate and the second side plate are connected to the tow hook bracket and are spaced apart along the vehicle width direction. The first side plate The plate is provided with a first flanging hole, and the second side panel is provided with a second flanging hole. At least part of the radial size of the first flanging hole gradually decreases in a direction adjacent to the second side panel, and the second flanging hole At least part of the radial dimension gradually decreases along the direction adjacent to the first side plate. The bottom plate is arranged opposite to the tow hook bracket and is connected to the first side plate and the second side plate respectively.

According to the above technical means, the first flange hole and the second flange hole provided with the tow hook in this application are convenient for the operator to tie the tow rope, and the flange holes can reduce the friction between the tow rope and the tow hook, and at the same time , the first side plate, the second side plate and the bottom plate of the tow hook form a digit-shaped structure. The structure is simple, which not only ensures the convenience of installing the towing rope, but also ensures the towing strength.

In a possible implementation, at least one limiting groove is provided on the surface of the front panel, and at least one clipping groove is provided on the bottom surface of the rear seat of the vehicle. A buckle is provided in the clipping groove, and one limiting groove corresponds to a buckle. connect.

According to the above technical means, the front panel in this application is used to support the rear seat of the vehicle. By engaging the limiting groove of the front panel with the buckle of the rear seat of the vehicle, the rear seat of the vehicle can be fixed on the front panel, thereby supporting the rear seat of the vehicle. Limit the position.

In a possible implementation, the rear floor assembly also includes a fixing frame. The fixing frame includes a fixing plate, a U-shaped plate and an L-shaped plate. The fixing plate is connected to the front panel, and the opening of the U-shaped plate faces the limiting groove. One end of the plate is connected to the fixed plate, the other end of the U-shaped plate extends toward the limit groove, the short side of the L-shaped plate is set inside the limit groove, and is connected to the other end of the U-shaped plate, and the long side of the L-shaped plate faces toward the rear of the vehicle. The base is extended, and the end is provided with a snap plate, and the snap plate is used for connecting with the buckle.

According to the above technical means, the fixing bracket in this application can fix the buckle at the bottom of the rear seat of the vehicle, not only limiting it in the horizontal direction, but also limiting it in the vertical direction by the buckling plate. The opening of the U-shaped plate faces the limiting groove, and the bottom plate and a side plate of the U-shaped plate can be stuck in the slot wall of the rear seat of the vehicle, which improves the rigidity and strength of the mounting point and makes the entire structure more stable.

In a possible implementation, the front panel includes a front panel body and a cross beam, and the cross beam connects the front panel body and the rear panel.

According to the above technical means, the front panel in this application is further divided into the front panel main body and the cross beam. During production, the front panel main body and the cross beam can be processed using different sheet materials, and the cross beam is used to connect the front panel main body and the rear panel. It is necessary to use high-strength and thick materials for processing, which can meet higher welding requirements and improve the stability of the connection between the rear panel and the front panel.

According to the second aspect provided by this application, a method for manufacturing a rear floor assembly is provided, which includes the following steps:

Prepare the front panel sheet, the storage trough coaming panel and the storage trough lower panel sheet. Among them, the storage trough coaming panel and the storage trough lower panel are made of different materials;

Stamp the front panel sheet, storage trough enclosure panel and storage trough lower panel sheet respectively;

Weld the stamped front panel sheet, glove compartment enclosure panel and glove compartment lower panel sheet to form an integrated rear floor assembly.

According to the above technical means, the front panel is mainly used to support the rear seat of the vehicle, and the requirements for the strength and thickness of the sheet are low; the requirements for the glove compartment enclosure sheet and the glove compartment lower panel sheet are also different. By selecting different The panels are processed, and the rear floor assembly in this application reduces the production cost while meeting the structural performance requirements.

According to a third aspect of the present application, a car is provided, including the above-mentioned rear floor assembly or the rear floor assembly made by the above-mentioned manufacturing method.

Therefore, the above technical features of the present application have the following beneficial effects:

(1) The segmented structure can effectively solve the problems of poor stiffness and strength of the car's rear floor, easy deformation and cracking, and poor formability. It not only improves NVH performance, but also reduces production costs and can be applied to a variety of models.

(2) The tow hook assembly with a simple structure and easy processing reduces the production cost of the tow hook, simplifies the installation process of the tow rope, reduces the wear and tear of the tow rope during towing the vehicle, and extends the service life.

(3) The fixing bracket can well fix the vehicle's rear seat to the front panel of the car by cooperating with the vehicle's rear seat and rear panel.

It should be noted that the technical effects brought by any implementation method in the second to third aspects can be referred to the technical effects brought by the corresponding implementation method in the first aspect, and will not be described again here.

It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and do not limit the present application.

Description of drawings

The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and are used together with the description to explain the principles of the present application, and do not constitute undue limitations on the present application.

Figure 1 is one of the structural schematic diagrams of a rear floor assembly according to an exemplary embodiment;

Figure 2 is the second structural schematic diagram of a rear floor assembly according to an exemplary embodiment;

Figure 3 is one of the structural schematic diagrams of a tow hook assembly according to an exemplary embodiment;

Figure 4 is the second structural schematic diagram of the tow hook assembly according to an exemplary embodiment;

Figure 5 is a third structural schematic diagram of the tow hook assembly according to an exemplary embodiment;

Figure 6 is a third structural schematic diagram of a rear floor assembly according to an exemplary embodiment;

Figure 7 is one of the schematic diagrams of vehicle rear seat installation according to an exemplary embodiment;

Figure 8 is the second schematic diagram of vehicle rear seat installation according to an exemplary embodiment;

Figure 9 is a third schematic diagram of vehicle rear seat installation according to an exemplary embodiment;

Figure 10 is a schematic structural diagram of a fixation bracket according to an exemplary embodiment;

Figure 11 is the fourth structural schematic diagram of a rear floor assembly according to an exemplary embodiment;

Figure 12 is a fifth structural schematic diagram of a rear floor assembly according to an exemplary embodiment;

Figure 13 is a sixth structural schematic diagram of a rear floor assembly according to an exemplary embodiment;

Figure 14 is a seventh structural schematic diagram of a rear floor assembly according to an exemplary embodiment;

Figure 15 is an eighth structural schematic diagram of a rear floor assembly according to an exemplary embodiment.

Among them, 1-front panel; 11-limiting groove; 12-front panel body; 13-beam; 14-access cover; 141-first indication indentation; 142-second indication indentation; 143-glue extrusion groove; 144-indicator arrow; 15-seat mounting hole; 2-rear panel; 21-first rear side panel; 211-first outer panel; 212-first inner panel; 22-storage slot; 221-storage slot Enclosure; 2211 - main body of enclosure; 2212 - connecting plate; 222 - lower plate of storage slot; 2221 - guide slope; 23 - second rear side panel; 231 - second outer panel; 232 - second inner panel; 24 - Towing hook assembly; 241-Towing hook bracket; 242-Towing hook; 2421-First side plate; 24211-First flanging hole; 2422-Second side plate; 24221-Second flanging hole; 2423-Bottom plate; 2424-anti-wear reinforcement plate; 243-tow rope; 31-sunken reinforcement; 32-reinforced flange; 33-drainage reinforcement; 34-convex strip reinforcement; 35-wavy reinforcement; 36- Step-type reinforcement; 4-vehicle rear seat; 41-card slot; 42-fixing frame; 421-fixing plate; 422-U-shaped plate; 423-L-shaped plate; 43-buckle; 44-positioning long rod.

Detailed ways

In order to enable ordinary people in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the appended claims.

For ease of understanding, the installation structure of the rear floor assembly provided by this application will be introduced in detail below with reference to the accompanying drawings.

Figure 1 is one of the structural schematic diagrams of a rear floor assembly according to an exemplary embodiment. As shown in Figure 1, the present application provides a rear floor assembly, which is used to constitute the body of a vehicle. , including a front panel 1 and a rear panel 2. The front panel 1 is used to support the rear seat 4 of the vehicle. The rear panel 2 is used to support the trunk of the vehicle. The front panel 1 and the rear panel 2 are connected in sequence along the length of the vehicle. The rear panel The panel 2 includes a first rear section side panel 21 , a storage slot 22 and a second rear section side panel 23 that are connected in sequence along the vehicle width direction.

2 is a second structural schematic diagram of a rear floor assembly according to an exemplary embodiment. Referring to FIG. 2 and combined with FIG. 1 , the storage slot 22 includes a storage slot enclosure 221 and a storage slot lower plate 222. The trough lower plate 222 is located on one side of the glove compartment enclosure 221 in the vehicle height direction. The two opposite ends of the glove compartment enclosure 221 in the vehicle width direction are respectively connected with the first rear section side panel 21 and the second rear section side panel 23 . Connect the glove compartment enclosure 221. The glove compartment enclosure 221 is connected to the edge of the glove compartment lower plate 222 on one side adjacent to the glove compartment lower plate 222 in the height direction of the vehicle. The glove compartment enclosure 221 and the glove compartment lower plate 222 form a storage space. The cavity of slot 22.

On this basis, the rear floor assembly provided in this application includes two parts, the front panel 1 and the rear panel 2, which are processed separately. The rear panel 2 also adopts a segmented structure, including the first rear section connected in sequence. The side panel 21, the storage slot 22 and the second rear section side panel 23. The storage slot 22 in this application also adopts a segmented structure, including a storage slot enclosure 221 and a storage slot lower plate 222.

On the one hand, since the two components of the storage slot enclosure 221 and the storage slot lower plate 222 are processed separately, the difficulty of the stamping process is reduced. Both the storage slot enclosure 221 and the storage slot lower plate 222 can be made of materials with low requirements on strength and stamping performance. materials, reducing costs.

On the other hand, the processing requirements of the storage slot enclosure 221 and the storage slot lower plate 222 are different. The storage slot enclosure 221 can be stamped from a sheet material with good plasticity, thin thickness, and low stiffness, while the storage slot lower plate 222 can be stamped. Select sheets with high stiffness, low ductility and a certain thickness for stamping.

Therefore, compared with the conventional one-piece stamping processing method, the area of the storage slot 22 in this application can be extended to a deeper area, resulting in higher space utilization, which can meet more requirements of the vehicle, while ensuring that the rear floor assembly Structural performance while also reducing costs.

In some embodiments, the glove compartment enclosure 221 includes a enclosure main body 2211 and a connecting plate 2212. The connecting plate 2212 is located on the outer peripheral side of the enclosure body 2211 and is connected to an edge of the enclosure body 2211 away from the lower plate 222 of the storage slot. , the connecting plate 2212 extends along the edge of the main body 2211 away from the lower plate 222 of the storage slot, and is connected to the first rear section side panel 21 and the second rear section side panel 23; the connecting plate 2212 is away from the lower plate 222 of the storage slot. A plurality of reinforcing ribs are provided on one side, and a plurality of reinforcing ribs are provided on the inner peripheral side of the storage slot enclosure 221 .

On this basis, in this application, the enclosure main body 2211 is used to connect the lower plate 222 of the storage slot, and the connecting plate 2212 is used to connect the first rear section side panel 21 and the second rear section side panel 23. During production, the storage tank The trough enclosure 221 is made of materials with good ductility for stamping, so that the enclosure main body 2211 can be stretched to a deeper area, maximizing the volume of the storage space, thereby achieving high space utilization.

At the same time, due to the use of different materials for segmented processing, the difficulty of stamping and production costs are reduced, taking into account the stiffness, modality and installation requirements of each component, and the processing technology can be adjusted according to different models.

For example, referring to Figure 2, the side surface of the connecting plate 2212 away from the lower plate 222 of the storage slot is provided with convex ribs 34, which can effectively prevent parts from springing back, and can also absorb excess material. The convex ribs The reinforcing ribs 34 can be formed by stamping, or can be connected to the connecting plate 2212 through screws.

Continuing to refer to Figure 2, the inner circumferential side of the storage tank enclosure 221 is provided with a plurality of corrugated reinforcing ribs 35, which can improve the local shape of the parts and solve the technical problems of stamping difficulty and cracking. Similarly, the corrugated reinforcing ribs 35 can be passed through It is formed by stamping and can also be connected to the inner peripheral side of the storage tank enclosure 221 through screws.

In some embodiments, the lower panel 222 of the storage slot is recessed in a direction away from the surround panel 221 of the storage slot to form a storage space. The side wall surface of the storage space includes a guide slope 2221. The guide slope 2221 is located in the storage space away from the front panel in the length direction of the vehicle. 1 side.

On this basis, at the corresponding position of the guide slope 2221 of the storage space, the storage slot enclosure 221 is provided with a gap that matches the guide slope 2221 to facilitate the operator to access the items in the storage space.

Continuing to refer to Figure 2, the bottom wall of the storage space is provided with a plurality of stepped reinforcing ribs 36, which enhances the load-bearing capacity and deformation resistance of the lower plate 222 of the storage slot. It provides a mounting surface for items in the storage space to prevent items in the storage space (such as spare tires) from colliding with the body sheet metal and causing abnormal noises when the vehicle is driving.

In some embodiments, referring to Figure 3 in conjunction with Figure 4, the rear floor assembly also includes a tow hook assembly 24. The tow hook assembly 24 includes a tow hook bracket 241 and a tow hook 242. The tow hook bracket 241 is away from the lower panel 222 of the storage tank. One side surface of the glove compartment enclosure 221 is connected. The tow hook bracket 241 is arranged along the length direction of the vehicle. The tow hook 242 is arranged on a side surface of the tow hook bracket 241 away from the glove compartment lower plate 222. The tow hook 242 is used to install the tow rope 243. .

On this basis, the tow hook assembly 24 in this application is easier to process than the tow hook threaded tube of traditional models, and can increase the length of the tow rope 243 in the horizontal direction, thereby ensuring that the tow rope 243 It can ensure stability during towing the vehicle.

At the same time, the tow hook bracket 241 not only enhances the connection area between the entire tow hook assembly 24 and the lower plate 222 of the storage tank, and improves the stability of the tow hook assembly 24, but is also equivalent to adding a vertical support on the bottom surface of the lower plate 222 of the storage slot. The beam also improves the structural stability of the lower plate 222 of the storage slot and enhances its load-bearing capacity.

In some embodiments, referring to FIG. 5 , the tow hook 242 includes a first side plate 2421 , a second side plate 2422 and a bottom plate 2423 . The first side plate 2421 and the second side plate 2422 are connected to the tow hook bracket 241 and along the vehicle. They are arranged at intervals in the width direction. The first side plate 2421 is provided with a first flanging hole 24211, and the second side plate 2422 is provided with a second flanging hole 24221. At least part of the radial dimension of the first flanging hole 24211 is along the adjacent second flanging hole 24211. The direction of the side plate 2422 gradually decreases, and at least part of the radial size of the second flange hole 24221 gradually decreases along the direction adjacent to the first side plate 2421. The bottom plate 2423 is arranged opposite to the tow hook bracket 241 and is connected to the first side plate 2421 respectively. Side plate 2421 and second side plate 2422.

On this basis, when installing the tow rope 243, the operator passes the tow rope 243 through the first flange hole 24211 and the second flange hole 24221 in sequence. The common tow hook and the tow rope have only one connection point, but this application There are two stress points between the tow hook 242 and the towing rope 243 in the vehicle, so that the towing rope 243 has a certain length in the vehicle width direction. The pulling force range that the towing rope 243 can carry is larger, and the reliability is enhanced.

At the same time, the first flange hole 24211 and the second flange hole 24221 can facilitate the binding of the tow rope 243 and reduce the friction between the tow rope 243 and the first side plate 2421 and the second side plate 2422 during use. The first flange hole 24211 and the second flange hole 24221 are circular holes designed, which can effectively reduce the up and down swing of the tow rope 243 during use.

In some embodiments, the entire tow hook assembly 24 is disposed at the centerline of the car to ensure that the car is evenly stressed during towing, making it easier for the operator to tow.

In some embodiments, referring to Figure 6 in conjunction with Figures 7, 8, 9 and 11, the surface of the front panel 1 is provided with at least one limiting groove 11, and the bottom surface of the vehicle rear seat 4 is provided with at least one retaining groove 41, A buckle 43 is provided in the buckle slot 41 , and a limiting groove 11 is correspondingly connected to a buckle 43 .

On this basis, the vehicle rear seat 4 can be connected to the front panel 1 through the connection between the buckle 43 and the limiting groove 11. At the same time, referring to Figure 7 and Figure 11, the surface of the front panel 1 is far away from the limiting groove 11. There is at least one seat mounting hole 15 on the side, and at least one long positioning rod 44 is provided on the side of the vehicle rear seat 4 away from the slot 41. A long positioning rod 44 can be inserted into one of the seat mounting holes 15, thereby reinforcing the vehicle. The installation of the rear seat 4 has a simple structure and is convenient for operators to operate.

In some embodiments, referring to Figure 10 in conjunction with Figure 9, the rear floor assembly also includes a fixing frame 42. The fixing frame 42 includes a fixing plate 421, a U-shaped plate 422 and an L-shaped plate 423. The fixing plate 421 is connected to the front panel 1 , the opening of the U-shaped plate 422 faces the limiting groove 11, one end of the U-shaped plate 422 is connected to the fixed plate 421, the other end of the U-shaped plate 422 extends toward the limiting groove 11, and the short side of the L-shaped plate 423 is arranged in the limiting groove 11 Inside, and connected to the other end of the U-shaped plate 422, the long side of the L-shaped plate 423 extends toward the seat, and is provided with a snap plate 424 at the end. The snap plate 424 is used to connect with the buckle 43.

On this basis, referring to Figure 10, the snap plate 424 is bent in a certain arc toward the short side of the L-shaped plate 423 in the slot formed by the U-shaped plate 422 and the L-shaped plate 423, and the buckle 43 extends into the U-shaped plate. 422 and the L-shaped plate 423, the clamping plate 424 limits the vehicle rear seat 4 horizontally and longitudinally, thereby preventing the vehicle rear seat 4 from shifting.

At the same time, the bottom plate and a side plate portion of the U-shaped plate 422 are prevented from contacting the slot 41 to further restrict the vehicle rear seat 4 and prevent it from being displaced during vehicle operation.

In some embodiments, referring to FIG. 12 , the front panel 1 includes a front panel body 12 and a cross beam 13 , and the cross beam 13 connects the front panel body 12 and the rear panel 2 .

On this basis, the front panel body 12 and the rear panel 2 are connected through the cross beam 13. Due to the different heights and different sheet materials of the front panel body 12 and the rear panel 2 in the longitudinal direction, they are suitable for connection. There is no need for a welding strength range, so choosing a thicker and stronger beam 13 as a transitional connection can make the entire structure more stable.

At the same time, referring to Figure 6, the front panel body 12 in this application can be further divided into a front section and a rear section along the dividing line shown at A in Figure 6. The front section does not need to use high-strength, high-material-thickness sheets, and the rear section does not need to use high-strength, high-material-thickness sheets. The sections need to use high-strength, high-material-thickness sheets, which can not only meet the requirements of stamping, but also meet the bending, torsion and lateral requirements during the production process.

In some embodiments, referring to Figures 13 and 14, the first rear side panel 21 can continue to be processed in a segmented structure, including a first outer panel 211 and a first inner panel 212; the second rear side panel 23 can It is divided into continuing to use a segmented structure for processing, including a second outer plate 231 and a second inner plate 232 .

On this basis, due to the different forces on each component, the first outer plate 211 and the second outer plate 231 can be made of thinner and lower-strength materials, while the first inner plate 212 and the second inner plate 232 can be made of High-strength steel, thus this application not only meets the performance requirements of the rear floor assembly, but also reduces the cost.

In order to enhance the structural strength, reinforced flanges 32 are formed on the edges of the first outer panel 211, the first inner panel 212, the second outer panel 231 and the second inner panel 232. The reinforced flanges 32 can be combined with the rear wheel hub package and the rear skirt. Plate overlap not only meets the welding requirements but also enhances the stiffness of the parts.

Sunken reinforcing ribs 31 are formed on the surfaces of the first outer panel 211 and the second outer panel 231 to enhance the rigidity of the components. At the same time, the first inner panel 212 and the second inner panel 232 are provided with a rib on one side close to the storage slot 22 Drainage ribs 33, wherein the drainage ribs 33 extend toward the side away from the storage slot 22, and are designed with an oblique angle of 45°, which can effectively block water to the outside of the car when passing through wading areas, thereby improving the waterproof performance of the car. .

In some embodiments, referring to Figures 6 and 15, the front panel 1 in this application is also provided with an access opening, and the access cover 14 can be installed on the access opening. The access cover 14 is designed with a glue extrusion groove 143, which can prevent the car from Use non-drying sealant to overflow, and in order to install the access cover accurately, the access cover 14 is also provided with a second indication indentation 142, and the front panel 1 is provided with a first indication indentation 141. When the access cover 14 is installed, the second indication indentation 141 is provided. When the first indication indentation 141 and the second indication indentation 142 are aligned, it indicates that the installation is successful, thereby making it easier for the operator to operate.

In addition, in order to facilitate the operator to quickly distinguish the outer side and the inner side of the access cover 14, an indicator arrow 144 is provided on the outer side of the access cover 14. When the operator installs, just point the indicator arrow 144 outward. Determining the outer surface and inner surface of the access cover 14 improves work efficiency.

In some embodiments, embodiments of the present application also provide a method for manufacturing a rear floor assembly, including the following steps:

Step 1: Prepare the front panel 1 sheet, the storage trough enclosure 221 and the storage trough lower panel 222. The materials for the storage trough enclosure 221 and the storage trough lower panel 222 are different;

Step 2: Stamp the front panel 1 sheet, the storage slot enclosure 221 sheet and the storage slot lower panel 222 sheet respectively;

Step 3: Weld the stamped front panel 1 sheet, the glove compartment enclosure 221 sheet and the glove compartment lower panel 222 to form an integrated rear floor assembly.

On this basis, when preparing the sheet materials in step 1, select a sheet material with good plasticity, thin thickness, and low stiffness for the storage slot enclosure 221. Select a sheet material with high stiffness, low ductility, and low stiffness for the storage slot lower plate 222. A sheet of certain thickness.

The front panel 1 can be further divided into a front section and a rear section. The materials of the sheets in the front section and the rear section are different. The front section does not need to use high-strength, high-material-thickness sheets, while the rear section needs to use high-strength, high-material-thickness sheets. material.

The first rear side panel 21 can be further divided into a first outer panel 211 and a first inner panel 212 , and the second rear side panel 23 can be further divided into a second outer panel 231 and a second inner panel 232 . The plate 211 and the second outer plate 231 can be made of thinner and lower-strength materials, while the first inner plate 212 and the second inner plate 232 can be made of high-strength steel.

Therefore, when stamping each part of the sheet material in step 2, the stamping difficulty is low, easy to produce, and the production efficiency is improved. In step 3, after the stamping is completed, the various parts of the sheet material only need to be welded to be connected together. The operation is simple and easy to produce.

In some embodiments, embodiments of the present application also provide an automobile, including any one of the above rear floor assembly or a rear floor assembly made using the above manufacturing method.

On this basis, this application solves the problems of insufficient stamping depth, poor stiffness and strength in the rear section of the rear floor of the car.

The above are only specific implementations of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application shall be covered by the protection scope of the present application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims (10)

1. A rear floor assembly for constructing a body of a vehicle, comprising:

a front section panel (1), the front section panel (1) being for supporting a vehicle rear seat (4);

the rear section panel (2), the rear section panel (2) is used for supporting a vehicle trunk, the front section panel (1) and the rear section panel (2) are sequentially connected along the length direction of the vehicle, and the rear section panel (2) comprises a first rear section side panel (21), a storage groove (22) and a second rear section side panel (23) which are sequentially connected along the width direction of the vehicle;

the article placing groove (22) comprises an article placing groove surrounding plate (221) and an article placing groove lower plate (222), the article placing groove lower plate (222) is located on one side of the article placing groove surrounding plate (221) in the vehicle height direction, two opposite ends of the article placing groove surrounding plate (221) in the vehicle width direction are respectively connected with the first back-section side panel (21) and the second back-section side panel (23) to form a groove cavity of the article placing groove (22), and the article placing groove surrounding plate (221) is adjacent to one side edge of the article placing groove lower plate (222) in the vehicle height direction and is connected with the edge of the article placing groove lower plate (222), and the article placing groove surrounding plate (221) and the article placing groove lower plate (222) enclose a groove cavity of the article placing groove (22).

2. The rear floor assembly according to claim 1, wherein the storage tank enclosure plate (221) comprises an enclosure plate main body (2211) and a connecting plate (2212), wherein the connecting plate (2212) is located on the outer peripheral side of the enclosure plate main body (2211), is connected with one side edge of the enclosure plate main body (2211) away from the storage tank lower plate (222), and extends along one side edge of the enclosure plate main body (2211) away from the storage tank lower plate (222) and is connected with the first rear section side panel (21) and the second rear section side panel (23); a plurality of reinforcing ribs are arranged on one side, away from the lower plate (222) of the storage tank, of the connecting plate (2212), and a plurality of reinforcing ribs are arranged on the inner peripheral side of the surrounding plate (221) of the storage tank.

3. The rear floor assembly according to claim 1, wherein the lower pocket plate (222) is recessed in a direction away from the pocket coaming (221) and forms a pocket space, a side wall surface of the pocket space includes a guide inclined surface (2221), and the guide inclined surface (2221) is located on a side of the pocket space away from the front-stage panel (1) in a vehicle length direction.

4. A rear floor assembly according to any of claims 1-3, further comprising a towing hook component (24), the towing hook component (24) comprising:

a towing hook bracket (241), wherein the towing hook bracket (241) is connected with one side surface of the lower plate (222) of the storage tank, which is far away from the coaming (221) of the storage tank, and the towing hook bracket (241) is arranged along the length direction of the vehicle;

the towing hook (242) is arranged on one side surface of the towing hook bracket (241) far away from the lower plate (222) of the storage groove, and the towing hook (242) is used for installing a towing rope (243).

5. The rear floor assembly of claim 4, wherein the tow hook (242) comprises:

a first side plate (2421) and a second side plate (2422), the first side plate (2421) and the second side plate (2422) being connected with the towing hook bracket (241) and being arranged at intervals in the vehicle width direction, the first side plate (2421) being provided with a first flanging hole (24211), the second side plate (2422) being provided with a second flanging hole (24221), at least part of the radial dimension of the first flanging hole (24211) being gradually reduced in a direction adjacent to the second side plate (2422), at least part of the radial dimension of the second flanging hole (24221) being gradually reduced in a direction adjacent to the first side plate (2421);

the bottom plate (2423) is arranged opposite to the towing hook bracket (241), and is respectively connected with the first side plate (2421) and the second side plate (2422).

6. Rear floor assembly according to any of claims 1-4, characterized in that the front panel (1) surface is provided with at least one limiting groove (11), the bottom surface of the vehicle rear seat (4) is provided with at least one clamping groove (41), the clamping groove (41) is internally provided with a buckle (43), and one limiting groove (11) is correspondingly and cooperatively connected with one buckle (43).

7. The rear floor assembly of claim 6, further comprising a mount (42), the mount (42) comprising:

a fixing plate (421), the fixing plate (421) being connected to the front panel (1);

the U-shaped plate (422), the opening of the U-shaped plate (422) faces the limit groove (11), one end of the U-shaped plate (422) is connected with the fixed plate (421), and the other end of the U-shaped plate (422) extends to the limit groove (11);

l template (423), the minor face setting of L template (423) is in inside spacing groove (11), and connect the other end of U template (422), the long limit of L template (423) to the saddle extends, and the tip is equipped with joint board (424), joint board (424) be used for with buckle (43) are connected.

8. Rear floor assembly according to any of claims 1-4, wherein the front section panel (1) comprises a front section panel body (12) and a cross member (13), the cross member (13) connecting the front section panel body (12) and the rear section panel (2).

9. A method of making a rear floor assembly comprising the steps of:

preparing a front section panel plate, a storage tank coaming plate and a storage tank lower plate, wherein the storage tank coaming plate and the storage tank lower plate are made of different materials;

respectively stamping the front section panel plate, the object placing groove coaming plate and the object placing groove lower plate;

and welding the punched front section panel plate, the storage tank coaming plate and the storage tank lower plate to form an integrated rear floor assembly.

10. An automobile comprising the rear floor assembly of any one of claims 1-8 or made using the method of making of claim 9.