CN212738302U - Rear floor assembly of vehicle and vehicle - Google Patents

Abstract

The utility model discloses a rear floor assembly and vehicle of vehicle, rear floor assembly includes: the rear cross beam is arranged on the rear floor and is in a C-shaped structure; two coupling, two the coupling install in back floor, and two the coupling is located respectively the both sides of back crossbeam in order with the both ends of back crossbeam link to each other, the coupling has first attach fitting, second attach fitting and third attach fitting, first attach fitting extend to with the side on back floor links to each other, the second attach fitting with the tip of back crossbeam links to each other, the third attach fitting court deviates from the direction of back crossbeam extends. The utility model discloses a rear floor assembly of vehicle increases rear floor torsional rigidity effectively, and the rear floor assembly weight of the vehicle of this embodiment is lighter, part quantity still less, and then has reduced welding process, does benefit to the vehicle lightweight.

Description

Rear floor assembly of vehicle and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing technique and specifically relates to a rear floor assembly of vehicle and have vehicle of this rear floor assembly is related to.

Background

In the related art, a rear floor of a vehicle is provided with a spare tire pit, the spare tire pit is generally a large metal plate, and the torsional rigidity of the spare tire pit is poor, so that a rear cross beam is generally required to be welded on the rear floor in order to improve the torsional rigidity of the rear floor, and the conventional rear cross beam needs more parts, is heavier in weight and has more welding points, and is not beneficial to light weight of the vehicle. Therefore, there is a large room for improvement.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

To this end, an object of the present invention is to provide a rear floor assembly for a vehicle, which effectively improves the torsional rigidity of the rear floor and is lighter in weight.

According to the utility model discloses rear floor assembly of vehicle, include: the rear cross beam is arranged on the rear floor and is in a C-shaped structure; two coupling, two the coupling install in back floor, and two the coupling is located respectively the both sides of back crossbeam in order with the both ends of back crossbeam link to each other, the coupling has first attach fitting, second attach fitting and third attach fitting, first attach fitting extend to with the side on back floor links to each other, the second attach fitting with the tip of back crossbeam links to each other, the third attach fitting court deviates from the direction of back crossbeam extends.

According to the utility model discloses rear floor assembly of vehicle is equipped with C shape rear frame member and two coupling, and two couplings all include three attach fitting, increase rear floor torsional rigidity effectively, and the rear floor assembly weight of the vehicle of this embodiment is lighter, part quantity still less, and then has reduced welding process, does benefit to the vehicle lightweight.

According to the utility model discloses the rear floor assembly of vehicle, the rear floor has the spare tyre hole, the back crossbeam is followed the border in spare tyre hole is extended and is arranged, just first attach fitting with third attach fitting all follows the border in spare tyre hole is extended and is arranged.

According to the utility model discloses some embodiments's rear floor assembly of vehicle, first attach fitting, second attach fitting and third attach fitting are the chevron shape and arrange.

According to the utility model discloses the rear floor assembly of vehicle of some embodiments, two the first attach fitting of coupling is just to setting up along transversely.

According to some embodiments of the present invention, the pipe joint comprises a main plate portion and a side plate portion, the main plate portion is connected to the side plate portion, and the side plate portion is supported by the rear floor so that the main plate portion is spaced apart from the rear floor.

According to the utility model discloses some embodiments's rear floor assembly of vehicle, the curb plate portion includes first curb plate, second curb plate and third curb plate, first curb plate is connected first attach fitting with second attach fitting, the second curb plate is connected second attach fitting with third attach fitting, the third curb plate is connected first attach fitting with third attach fitting.

According to the utility model discloses the rear floor assembly of vehicle of some embodiments, the tip of first attach fitting is equipped with the connection end plate, the connection end plate with the main board portion links to each other, just the both sides of connection end plate respectively with first curb plate with the third curb plate links to each other, the connection end plate with the rear floor links to each other.

According to the utility model discloses the rear floor assembly of vehicle of some embodiments, the terminal surface shape of second attach fitting with the terminal surface shape of rear cross beam is the same.

According to the utility model discloses the rear floor assembly of vehicle of some embodiments, first attach fitting second attach fitting with third attach fitting contained angle between two liang is the same.

The utility model also provides a vehicle.

According to the utility model discloses vehicle, be provided with the rear floor assembly of vehicle as in above-mentioned embodiment.

The vehicle and the rear floor assembly of the vehicle have the same advantages compared with the prior art, and the detailed description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

fig. 2 is a schematic view of two pipe joints and a rear cross member of a rear floor assembly of a vehicle according to an embodiment of the present invention.

Reference numerals:

the rear floor assembly 100 is provided with a rear floor,

a rear floor 10, a spare wheel well 11, a rear cross member 20,

the pipe joint 30, the first connecting joint 31, the second connecting joint 32, the third connecting joint 33, the main plate portion 34, the side plate portion 35, the first side plate 351, the second side plate 352, the third side plate 353, and the connecting end plate 36.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

A rear floor assembly 100 of a vehicle according to an embodiment of the present invention is described below with reference to fig. 1-2.

According to the utility model discloses rear floor assembly 100 of vehicle, include: a rear floor panel 10, a rear cross member 20 and two pipe joints 30.

As shown in fig. 1, the rear cross member 20 is mounted to the rear floor 10, the rear cross member 20 is configured in a C shape, and as shown in fig. 1, the rear cross member 20 is in a C shape that is open toward the rear, so that the rear cross member 20 is connected to the rear floor 10 in a plurality of directions, so that the rear cross member 20 can realize vibration propagation in the left-right direction and the front-rear direction, and the torsional rigidity of the rear floor 10 can be increased by using the structural characteristics of the C shape, so that the connection between the rear cross member 20 and the rear floor 10 is more secure, and the structural strength of the rear floor assembly 100 is improved.

As shown in fig. 1, two pipe joints 30 are installed on the rear floor 10, and the two pipe joints 30 are respectively located at both sides of the rear cross member 20 to be connected to both ends of the rear cross member 20, so that the two pipe joints 30 and the rear cross member 20 form a whole body, and vibration from the rear floor 10 can be transmitted toward both sides of the vehicle through the two pipe joints 30, which is beneficial to realizing the dispersion of vibration energy, and makes the connection between the rear cross member 20 and the rear floor 10 more stable, and improves the structural stability of the rear floor assembly 100. As shown in fig. 2, the pipe joint 30 has a first connection joint 31, a second connection joint 32, and a third connection joint 33.

As shown in fig. 1, the first connection joints 31 extend to be connected to the side edges of the rear floor 10, and the first connection joints 31 of the two pipe joints 30 are respectively connected to the two side edges of the rear floor 10, so that the connection strength between the pipe joints 30 and the rear floor 10 is effectively increased, and vibration on the rear cross member 20 can be transmitted to the two sides of the rear floor 10 through the first connection joints 31, thereby achieving lateral diffusion of vibration energy, and further effectively increasing the structural stability of the rear floor assembly 100 of the vehicle, the second connection joints 32 are connected to the end portions of the rear cross member 20, and the third connection joints 33 extend in a direction away from the rear cross member 20, so that vibration on the rear cross member 20 can be transmitted in a longitudinal direction through the second connection joints 32 and the third connection joints 33, thereby achieving longitudinal diffusion of vibration energy. Thus, the impact force of the rear floor 10 against the road surface can be spread along a plurality of paths during the vehicle form, effectively improving the stress distribution of the rear floor 10, and enhancing the rigidity of the rear floor 10 at a higher level.

It should be noted that, compared with the existing rear floor assembly 100, the rear floor assembly 100 of the vehicle of the embodiment has the advantages that by arranging the C-shaped cross beam, at least part of the cross beam extends in the front-rear direction, and the two ends of the cross beam are connected through the pipe joints 30, and the reinforcing longitudinal beam and the left and right connecting plates of the rear cross beam 20 in the prior art are not required to be arranged, so that the structural strength of the rear cross beam 20 in the longitudinal direction can be ensured, the number of the rear cross beams 20 is reduced, the weight of the rear floor assembly is lighter, the number of parts is less, the welding process is reduced.

After a lot of experiments by the inventor, the total weight of the rear floor assembly 100 in the present application is reduced by 16% compared to the structure of the rear floor 10 in the prior art. And in some embodiments, the thickness of the pipe joint 30 in the present application is configured to be 1.0mm, and the thickness of the rear cross member 20 is configured to be 0.7mm, so that the weight of the rear floor assembly 100 is reduced from 3.684Kg to 3.091Kg, the overall weight of the rear floor assembly 100 is greatly reduced, and light weight is realized.

According to the utility model discloses rear floor assembly 100 of vehicle is equipped with C shape rear cross beam 20 and two coupling 30, and two coupling 30 all include three attach fitting, increase rear floor 10 torsional rigidity effectively, and the rear floor assembly 100 weight of the vehicle of this embodiment is lighter, part quantity still less, and then has reduced welding processes, does benefit to the vehicle lightweight.

As shown in fig. 1, the rear floor 10 has a spare tire well 11, and the spare tire well 11 is used for taking up or installing a spare tire. As shown in fig. 1, the rear cross member 20 is extended along the edge of the spare wheel well 11 to increase the structural strength of the rear floor 10 at the spare wheel well 11, and at least a part of the rear cross member 20 covers the maximum displacement point of the modal frequency of the spare wheel well 11, thereby effectively improving the modal of the spare wheel well 11.

And first connection joint 31 and third connection joint 33 all extend along the border of spare tyre hole 11 and arrange for the coupling 30 is more firm with being connected of spare tyre hole 11, has cancelled spare tyre hole 11 among the prior art and has strengthened the support, and then reduces welding process, has reduced the cost of structure, guarantees to strengthen the structural strength of spare tyre hole 11 simultaneously, promotes the wholeness ability of back floor assembly 100.

As shown in fig. 1 and 2, the first connection joint 31, the second connection joint 32, and the third connection joint 33 are arranged in a herringbone shape, that is, the pipe joint 30 of the present application is a herringbone three-way structure. Thus, the coupling of the pipe joint 30 to the rear floor 10 is more firmly achieved, and the impact force of the rear floor 10 against the road surface can be diffused along a plurality of paths during the vehicle form, effectively improving the stress distribution of the rear floor 10, and enhancing the rigidity of the rear floor 10 at a higher level.

As shown in fig. 1, the first connection joints 31 of the two pipe joints 30 are transversely arranged to be opposite to each other, so that the two pipe joints 30 are connected to the rear floor 10 at two transversely opposite positions, so that the connection between the two pipe joints 30 and the rear floor 10 is firmer, the structures on both sides are more balanced, and the structural stability of the rear floor assembly 100 of the vehicle is further enhanced.

As shown in fig. 2, the pipe joint 30 includes a main plate portion 34 and a side plate portion 35.

As shown in fig. 1, the main plate portion 34 is connected to the side plate portions 35, the side plate portions 35 are supported on the rear floor panel 10 such that the main plate portion 34 is spaced apart from the rear floor panel 10, that is, the pipe joint 30 of the present application is a herringbone tee joint 30, and the main plate portion 34 and the side plate portions 35 define a vibration damping chamber together with the rear floor panel 10, so that part of vibration energy is absorbed by the vibration damping chamber. Like this, when the vehicle travel to make rear floor 10 receive the impact force of road surface can follow more routes diffusion, and can weaken gradually in the diffusion process, eliminate rear floor 10 effectively because of the noise that the vibration produced, and then promote user experience effectively.

As shown in fig. 2, the side plate portion 35 includes a first side plate 351, a second side plate 352, and a third side plate 353.

As shown in fig. 1, the first side plate 351 connects the first connection joint 31 and the second connection joint 32, the second side plate 352 connects the second connection joint 32 and the third connection joint 33, and the third side plate 353 connects the first connection joint 31 and the third connection joint 33. Thus, the structural strength of the pipe joint 30 is effectively increased, so that the impact force applied to the rear floor 10 is more effectively diffused, and the pipe joint is simple in structure and beneficial to molding.

As shown in fig. 2, the end of the first connection joint 31 is provided with a connection end plate 36.

As shown in fig. 1, the connection end plate 36 is connected to the main plate portion 34, and both sides of the connection end plate 36 are respectively connected to the first side plate 351 and the third side plate 353, so that the connection between the connection end plate 36 and the main plate portion 34 is more secure, the connection end plate 36 is connected to the rear floor 10, and the connection manner between the connection end plate 36 and the rear floor 10 may be a screw connection or a welding connection, which effectively increases the connection strength between the pipe joint 30 and the rear floor 10, and further effectively increases the stability of the rear floor assembly 100 of the vehicle.

As shown in fig. 2, the end surface shape of the second connection joint 32 is the same as that of the rear cross member 20, so that the connection of the pipe joint 30 to the rear cross member 20 is more conformed, and the impact force applied to the rear floor panel 10 is more effectively diffused.

As shown in fig. 1, the first connection joint 31, the second connection joint 32 and the third connection joint 33 have the same angle therebetween. In this way, the structure of the pipe joint 30 is more balanced, and thus the impact force transmitted to the pipe joint 30 is more effectively dispersed, thereby effectively improving the stability of the rear floor assembly 100 of the vehicle.

The utility model also provides a vehicle.

According to the utility model discloses vehicle is provided with the rear floor assembly 100 of vehicle as in the above-mentioned embodiment, increases rear floor 10 torsional rigidity effectively, and the rear floor assembly 100 weight of the vehicle of this embodiment is lighter, part quantity still less, and then has reduced welding processes, does benefit to the wide application on the vehicle.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

Other configurations of …, such as … and …, and the like, and operations according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

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

the rear cross beam is arranged on the rear floor and is in a C-shaped structure;

two coupling, two the coupling install in back floor, and two the coupling is located respectively the both sides of back crossbeam in order with the both ends of back crossbeam link to each other, the coupling has first attach fitting, second attach fitting and third attach fitting, first attach fitting extend to with the side on back floor links to each other, the second attach fitting with the tip of back crossbeam links to each other, the third attach fitting court deviates from the direction of back crossbeam extends.

2. The vehicle rear floor assembly of claim 1, wherein the rear floor has a spare wheel well, the rear cross member extends along an edge of the spare wheel well, and the first connection joint and the third connection joint each extend along the edge of the spare wheel well.

3. The rear floor assembly of a vehicle of claim 1, wherein the first, second and third connection joints are arranged in a chevron arrangement.

4. The vehicle rear floor assembly according to claim 1, wherein a first connection joint of the two pipe joints is disposed to face in a lateral direction.

5. The vehicle rear floor assembly according to any one of claims 1 to 4, wherein the pipe joint includes a main plate portion and a side plate portion, the main plate portion being connected to the side plate portion, the side plate portion being supported on the rear floor such that the main plate portion is spaced apart from the rear floor.

6. The rear floor assembly of the vehicle of claim 5, wherein the side panel portion includes a first side panel connecting the first and second connection joints, a second side panel connecting the second and third connection joints, and a third side panel connecting the first and third connection joints.

7. The rear floor assembly of a vehicle according to claim 6, wherein a connection end plate is provided at an end of the first connection joint, the connection end plate is connected to the main plate portion, and both sides of the connection end plate are connected to the first side plate and the third side plate, respectively, and the connection end plate is connected to the rear floor.

8. The rear floor assembly of a vehicle according to any one of claims 1 to 4, wherein an end face shape of the second connecting joint is the same as an end face shape of the rear cross member.

9. The rear floor assembly of a vehicle of any of claims 1-4, wherein the first connection joint, the second connection joint, and the third connection joint have the same included angle between each other.

10. A vehicle characterized by being provided with a rear floor assembly of the vehicle as claimed in any one of claims 1 to 9.

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