CN218536900U

CN218536900U - Trunk floor reinforcing structure and vehicle

Info

Publication number: CN218536900U
Application number: CN202223151569.7U
Authority: CN
Inventors: 陈帅彰; 岳志强
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-02-28
Anticipated expiration: 2032-11-24

Abstract

The utility model provides a trunk floor reinforcing structure and a vehicle, belonging to the technical field of automobile bodies, comprising a floor body, wherein the lower side surface of the floor body is provided with a first reinforcing plate arranged along the length direction of the automobile body, the two ends of the first reinforcing plate are respectively connected with a rear floor beam and an anti-collision beam, and the floor body is divided into a first plate body and a second plate body by the first reinforcing plate; the lower side surface of the first plate body is provided with a reinforcing concave part, and the upper side surface of the first plate body is provided with a second reinforcing plate along the width direction of the vehicle body; the downside of second plate body is equipped with strengthens the convex part, and the side has laid the third reinforcing plate along the automobile body width direction on the second plate body. The utility model provides a pair of trunk floor additional strengthening can the structural strength on whole promotion trunk floor, reduces the vibration that the road surface excitation arouses, reduces noise in the car.

Description

Trunk floor reinforcing structure and vehicle

Technical Field

The utility model belongs to the technical field of automobile body, more specifically say, relate to a trunk floor additional strengthening and vehicle.

Background

The trunk floor is a position for placing articles on the vehicle, but the metal plate surface of the trunk floor is large, and the structural strength is weak. The road surface transmits the exciting force of the tires to the trunk floor through the suspension, the trunk floor in a large-area sheet metal structure is weak in anti-vibration strength and easy to vibrate, and the vibration of the trunk floor can generate noise and radiate the noise in the vehicle, so that the noise in the vehicle is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trunk floor additional strengthening aims at solving trunk floor structural strength and is weaker, and leads to the road surface excitation to arouse trunk floor vibration, and then the problem of noise in the increase car.

In order to achieve the purpose, the utility model adopts the technical proposal that: the trunk floor reinforcing structure comprises a floor body, wherein a first reinforcing plate arranged along the length direction of a vehicle body is arranged on the lower side surface of the floor body, two ends of the first reinforcing plate are respectively connected with a rear floor beam and an anti-collision beam, and the floor body is divided into a first plate body and a second plate body by the first reinforcing plate;

the lower side surface of the first plate body is provided with a reinforcing concave part, and the upper side surface of the first plate body is provided with a second reinforcing plate along the width direction of the vehicle body;

the downside of second plate body is equipped with strengthens the convex part, the side has laid the third reinforcing plate along automobile body width direction on the second plate body.

In one possible implementation manner, the difference between the length of the first plate body and the length of the second plate body is greater than or equal to 50mm.

In a possible implementation manner, two sides of the floor body in the width direction are respectively provided with a connecting plate, and the connecting plates are respectively connected with the vehicle body longitudinal beam and the rear floor cross beam.

In a possible implementation manner, the reinforcing concave portion comprises a first groove body and a second groove body which are mutually communicated, the second groove body is located on one side, away from the first reinforcing plate, of the first groove body, the first groove body is arranged along the width direction of the automobile body, and the second groove body is arranged along the length direction of the automobile body.

In a possible implementation manner, a first reinforcing protrusion arranged along the length direction of the vehicle body is arranged in the first groove body; and a second reinforcing protrusion arranged along the width direction of the vehicle body is arranged in the second groove body.

In a possible implementation manner, the reinforcing protrusion includes a third reinforcing protrusion and a fourth reinforcing protrusion, the fourth reinforcing protrusion is located on one side of the third reinforcing protrusion, which is far away from the first reinforcing plate, the third reinforcing protrusion is arranged along the length direction of the vehicle body, and the fourth reinforcing protrusion is arranged along the width direction of the vehicle body.

In a possible implementation manner, the number of the second reinforcing plates is two, the second reinforcing plates are arranged on two sides of the first plate body in the width direction of the vehicle body, and the third reinforcing plates are arranged on the second plate body and located between the second reinforcing plates.

In a possible implementation manner, the upper side surface of the second reinforcing plate is provided with a fifth reinforcing protrusion and a plurality of sixth reinforcing protrusions, the fifth reinforcing protrusion is arranged in the middle of the second reinforcing plate in the width direction of the vehicle body, and the plurality of sixth reinforcing protrusions are arranged on the fifth reinforcing protrusion at intervals in the width direction of the vehicle body.

In a possible implementation manner, the upper side surface of the third reinforcing plate is provided with a third groove body and a plurality of fourth groove bodies, the third groove body is arranged in the middle of the third reinforcing plate along the width direction of the vehicle body, and the fourth groove bodies are arranged on two sides of the width direction of the third groove body respectively in a symmetrical mode.

The utility model provides a pair of trunk floor additional strengthening's beneficial effect lies in: compared with the prior art, the upper side face of the floor body is connected with the first reinforcing plate, the first reinforcing plate is arranged along the length direction of the vehicle body, the two ends of the first reinforcing plate are respectively connected to the rear floor beam and the anti-collision beam, and the structural strength of the floor body can be integrally improved. The floor body is divided into a first plate body and a second plate body by the first reinforcing plate, wherein the lower side face of the first plate body is provided with a reinforcing concave portion, the upper side face of the first plate body is provided with a second reinforcing plate, and the structural strength of the first plate body is enhanced by arranging the reinforcing concave portion and the second reinforcing plate. The downside of second plate body is equipped with strengthens the convex part, and the side of going up of second plate body is equipped with the third reinforcing plate to strengthen the structural strength of second plate body through laying and strengthening convex part and third reinforcing plate. The utility model provides a trunk floor additional strengthening can wholly promote the structural strength on trunk floor, reduces the vibration that the road surface excitation arouses, reduces noise in the car.

The utility model also provides a vehicle, include trunk floor additional strengthening.

The utility model provides a vehicle owing to used foretell trunk floor additional strengthening, consequently possesses the same beneficial effect with trunk floor additional strengthening, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a top view of the trunk floor reinforcement structure provided by the present invention in an assembled state;

FIG. 2 is a bottom view of the trunk floor reinforcement structure provided by the present invention in an assembled state;

FIG. 3 is a top view of the trunk floor reinforcement provided by the present invention;

FIG. 4 is a bottom view of the trunk floor reinforcement structure provided by the present invention;

fig. 5 is a structural diagram of a second reinforcing plate provided by the present invention;

fig. 6 is a structural diagram of a third reinforcing plate according to the present invention.

Description of the reference numerals:

100. a floor body; 200. a rear floor beam; 300. an anti-collision beam; 400. a body rail; 1. a first reinforcing plate; 2. a first plate body; 3. a second plate body; 4. a second reinforcing plate; 5. a third reinforcing plate; 6. a connecting plate; 7. a first tank body; 8. a second tank body; 9. a first reinforcing protrusion; 10. a second reinforcing protrusion; 11. a third reinforcing protrusion; 12. a fourth reinforcing protrusion; 13. a fifth Qiangqiang bulge; 14. a sixth reinforcing protrusion; 15. a third tank body; 16. a fourth tank body; 17. and (7) lightening holes.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, a trunk floor reinforcement structure according to the present invention will now be described. A trunk floor reinforcing structure comprises a floor body 100, wherein a first reinforcing plate 1 distributed along the length direction of a vehicle body is arranged on the lower side surface of the floor body 100, two ends of the first reinforcing plate 1 are respectively connected with a rear floor cross beam 200 and an anti-collision beam 300, and the floor body 100 is divided into a first plate body 2 and a second plate body 3 by the first reinforcing plate 1; the lower side surface of the first plate body 2 is provided with a reinforcing concave part, and the upper side surface of the first plate body 2 is provided with a second reinforcing plate 4 along the width direction of the vehicle body; the lower side surface of the second plate body 3 is provided with a reinforcing convex part, and the upper side surface of the second plate body 3 is provided with a third reinforcing plate 5 along the width direction of the vehicle body.

The utility model provides a pair of trunk floor additional strengthening compares with prior art, and the downside of floor body 100 is connected with first reinforcing plate 1, and first reinforcing plate 1 is laid along automobile body length direction, and both ends are connected respectively on back floor crossbeam 200 and anticollision roof beam 300, can wholly promote floor body 100's structural strength. The first reinforcing plate 1 divides the floor body 100 into a first plate body 2 and a second plate body 3, wherein the lower side surface of the first plate body 2 is provided with a reinforcing concave portion, the upper side surface of the first plate body 2 is provided with a second reinforcing plate 4, and the reinforcing concave portion and the second reinforcing plate 4 are arranged to enhance the structural strength of the first plate body 2. The downside of second plate body 3 is equipped with strengthens the convex part, and the side of going up of second plate body 3 is equipped with third reinforcing plate 5 to strengthen the structural strength of second plate body 3 through laying and strengthening convex part and third reinforcing plate 5. The utility model provides a trunk floor additional strengthening can wholly promote the structural strength on trunk floor, reduces the vibration that the road surface excitation arouses, reduces noise in the car.

Referring to fig. 4, the cross section of the first reinforcing plate 1 is U-shaped, and is welded in the middle area of the lower side surface of the floor body 100 through a flanging structure, the length direction of the first reinforcing plate 1 is consistent with the length direction of the vehicle body, and by arranging the first reinforcing plate 1, the structural strength of the weakest middle area of the floor body 100 can be enhanced, and meanwhile, the front end and the rear end of the first reinforcing plate 1 are welded and fixed on the rear floor cross beam 200 and the anti-collision beam 300 respectively, so that the structural strength of the floor body 100 is greatly improved. Preferably, the first reinforcing plate 1 is made of a sheet metal with the thickness of 1.2mm, and the whole width is 88mm.

The first reinforcing plate 1 divides the floor body 100 into a first plate body 2 and a second plate body 3, and the length of the first plate body 2 and the length of the second plate body 3 are respectively the length of the edge of the first reinforcing plate 1 from the two edges of the floor body 100 in the width direction of the vehicle body. The length difference between the first plate body and the second plate body is more than 50mm, so that the resonance of the first plate body 2 and the second plate body 3 can be effectively avoided. Preferably, the length of the first plate 2 is 472mm, and the length of the second plate 3 is 418mm.

In order to further increase the structural strength of the floor body 100, a connecting plate 6 is arranged at the joint of the floor body 100, the rear floor cross member 200 and the vehicle body longitudinal member 400, and the connecting plate 6 connects the three parts in a welding or bolting mode. The connecting plate 6 increases the structural strength of the floor body 100 by sufficiently utilizing the strength of the rear floor cross member 200 and the vehicle body side member 400, and reduces the sensitivity of the vibration response of the floor body 100. Preferably, the thickness of the web 6 is 1mm.

Referring to fig. 4, the reinforcing concave portion includes a first groove body 7 and a second groove body 8, the second groove body 8 is located on one side, away from the first reinforcing plate 1, of the first groove body 7, the first groove body 7 is arranged in the width direction of the vehicle body, the second groove body 8 is arranged in the length direction of the vehicle body, and the first groove body 7 and the second groove body are mutually communicated to form a T-shaped groove, so that the structural strength of the first plate body 2 is improved.

Wherein, be equipped with first enhancement arch 9 in the first cell body 7, first enhancement arch 9 is the protruding structure of laying along automobile body length direction, and this protruding structure is along the both sides limit of automobile body length direction, and one is the straight flange, and another is the arc limit to match the structure of floor body 100. Preferably, the height of the first reinforcing bead 9 is 20mm, the overall length (in the vehicle body longitudinal direction) is 174mm, and the width (in the vehicle body width direction) is 150mm.

Be equipped with the second in the second cell body 8 and strengthen protruding 10, the protruding structure that protruding 10 was laid for following automobile body width direction is strengthened to the second, and this protruding structure is the rectangle arch to can set up a plurality of rectangles in second cell body 8 protruding, a plurality of rectangles are protruding to be set up along the length direction (automobile body width direction) interval of second cell body 8 and are set up. Preferably, the second reinforcing protrusion 10 has a height of 20mm, a width (vehicle body width direction) of 43mm, and a length (vehicle body length direction) of 117mm.

Referring to fig. 4, the reinforcing protrusion includes a third reinforcing protrusion 11 and a fourth reinforcing protrusion 12, the fourth reinforcing protrusion 12 is located on one side of the third reinforcing protrusion 11 away from the first reinforcing plate 1, the third reinforcing protrusion 11 is arranged along the length direction of the vehicle body, the fourth reinforcing protrusion 12 is arranged along the width direction of the vehicle body, and the third reinforcing protrusion and the fourth reinforcing protrusion are connected with each other to improve the structural strength of the second plate body 3.

Among them, the third reinforcing protrusions 11 may be provided in plural in order in the vehicle width direction so as to cover most of the area of the second plate body 3 as much as possible. The fourth reinforcing protrusions 12 may be provided in plurality at intervals in the vehicle body length direction, and the plurality of fourth reinforcing protrusions 12 are connected to the outermost third reinforcing protrusion 11, thereby forming an integral protrusion structure. Preferably, there are three third reinforcing protrusions 11, the length of the third reinforcing protrusion 11 in the middle is greater than the length of the third reinforcing protrusions 11 on both sides, the width (vehicle body width direction) of the three third reinforcing protrusions 11 as a whole is 74mm, the length of the third reinforcing protrusion in the middle is 354mm, and the protrusion height is 30mm; the lengths of the third reinforcing protrusions 11 at both sides are 280mm and 269mm, respectively, and the protrusion heights are 15mm. Preferably, the number of the fourth reinforcing protrusions 12 is two, the protrusion height of each of the two fourth reinforcing protrusions 12 is 18mm, the width of each of the fourth reinforcing protrusions is 35mm, and the length of each of the fourth reinforcing protrusions is 120mm and 109mm.

Referring to fig. 3, the number of the second reinforcing plates 4 is two, two second reinforcing plates 4 are disposed on two sides of the first plate body 2 along the length direction of the vehicle body, and the third reinforcing plate 5 is disposed on the second plate body 3 and located between the two second reinforcing plates 4. Preferably, the overall length of the second reinforcing plate 4 is 270mm, the width is 83mm, in order to realize two second reinforcing plates 4 local frequency avoiding, the design thickness can be respectively designed to be 1.0mm, 1.2mm, through the above design further increase trunk floor intensity, reduce the vibration response sensitivity.

Specifically, referring to fig. 5, the upper side surface of the second reinforcing plate 4 is provided with a fifth reinforcing protrusion 13 and a plurality of sixth reinforcing protrusions 14, the fifth reinforcing protrusion 13 is of a long strip-shaped protruding structure and is arranged along the length direction of the second reinforcing plate 4, and both ends of the second reinforcing plate 4 in the length direction are provided with folded edges which are welded and fixed on the upper side surface of the first plate body 2 by means of the two folded edges. The fifth reinforcing protrusion 13 is provided in the middle of the second reinforcing plate 4 in the vehicle width direction, and a plurality of sixth reinforcing protrusions 14 are provided on the fifth reinforcing protrusion 13 at intervals in the vehicle width direction. Preferably, the sixth reinforcing protrusions 14 may be two in number, and end portions respectively extend onto the fifth reinforcing protrusions 13, thereby forming a cross protrusion structure in the lateral and longitudinal directions to improve structural strength. The sixth reinforcing protrusion 14 has a mounting point to which other accessories can be fitted and connected.

Specifically, referring to fig. 6, a third groove 15 and a plurality of fourth grooves 16 are disposed on the upper side surface of the third reinforcing plate 5, the third groove 15 is disposed in the middle of the third reinforcing plate 5 along the width direction of the vehicle body, and the plurality of fourth grooves 16 are symmetrically disposed on two sides of the third groove 15 in the width direction. Meanwhile, lightening holes 17 are also formed in the third groove body 15, and a plurality of lightening holes 17 are also formed in two sides of the third groove body 15 so as to lighten the weight of the third reinforcing plate 5. Preferably, the third reinforcing plate 5 has a width of 213mm and a length of 378mm, and the third groove 15 has a width of 56mm and a depth of 15mm. The number of the fourth groove bodies 16 is four, and the four fourth groove bodies are symmetrically arranged on two sides of the third groove body 15 in pairs. The lightening holes 17 are oval, so that the lightening area is increased as much as possible, the middle of the third groove body 15 is provided with one lightening hole 17, two sides of the third groove body 15 are provided with four lightening holes 17, the lightening holes 17 are symmetrical in pairs, and the two lightening holes 17 on the same side are positioned between the two fourth groove bodies 16 on the same side.

Based on the same invention concept, the utility model also provides a vehicle of using above-mentioned trunk floor additional strengthening.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The trunk floor reinforcing structure is characterized by comprising a floor body (100), wherein a first reinforcing plate (1) arranged along the length direction of a vehicle body is arranged on the lower side surface of the floor body (100), two ends of the first reinforcing plate (1) are respectively connected with a rear floor cross beam (200) and an anti-collision beam (300), and the floor body (100) is divided into a first plate body (2) and a second plate body (3) by the first reinforcing plate (1);

a reinforcing concave part is arranged on the lower side surface of the first plate body (2), and a second reinforcing plate (4) is distributed on the upper side surface of the first plate body (2) along the width direction of the vehicle body;

the downside of second plate body (3) is equipped with strengthens the convex part, third reinforcing plate (5) have been laid along automobile body width direction to the side of going up of second plate body (3).

2. A trunk floor reinforcement structure according to claim 1, wherein the difference between the length of the first panel (2) and the length of the second panel (3) is 50mm or more.

3. The trunk floor reinforcement structure according to claim 1, wherein the floor body (100) is provided with connecting plates (6) on both sides in the width direction, and the connecting plates (6) are connected to the vehicle body side member (400) and the rear floor cross member (200), respectively.

4. The trunk floor reinforcement structure according to claim 1, wherein the reinforcement recess includes a first tank (7) and a second tank (8) that are communicated with each other, the second tank (8) is located on a side of the first tank (7) away from the first reinforcement plate (1), the first tank (7) is disposed along a width direction of the vehicle body, and the second tank (8) is disposed along a length direction of the vehicle body.

5. The trunk floor reinforcement structure according to claim 4, wherein a first reinforcement protrusion (9) arranged in a vehicle body length direction is provided in the first tank (7); and a second reinforcing protrusion (10) distributed along the width direction of the vehicle body is arranged in the second groove body (8).

6. A trunk floor reinforcement structure according to claim 1, wherein the reinforcing protrusion comprises a third reinforcing protrusion (11) and a fourth reinforcing protrusion (12), the fourth reinforcing protrusion (12) is located on a side of the third reinforcing protrusion (11) remote from the first reinforcing plate (1), the third reinforcing protrusion (11) is provided in a vehicle body length direction, and the fourth reinforcing protrusion (12) is provided in a vehicle body width direction.

7. The trunk floor reinforcement structure according to claim 1, wherein the number of the second reinforcing plates (4) is two, two of the second reinforcing plates (4) are arranged on both sides of the first plate body (2) in the longitudinal direction of the vehicle body, and the third reinforcing plate (5) is arranged on the second plate body (3) between the two second reinforcing plates (4).

8. The trunk floor reinforcement structure according to claim 1, wherein the second reinforcement plate (4) is provided at an upper side thereof with a fifth reinforcing protrusion (13) and a plurality of sixth reinforcing protrusions (14), the fifth reinforcing protrusion (13) being provided at a central portion of the second reinforcement plate (4) in the vehicle width direction, and the plurality of sixth reinforcing protrusions (14) being provided at intervals on the fifth reinforcing protrusion (13) in the vehicle width direction.

9. The trunk floor reinforcement structure according to claim 1, wherein a third groove (15) and a plurality of fourth grooves (16) are formed in an upper side surface of the third reinforcement plate (5), the third groove (15) is formed in the middle of the third reinforcement plate (5) in the width direction of the vehicle body, and the plurality of fourth grooves (16) are formed in two sides of the third groove (15) in the width direction of the vehicle body in a symmetrical manner.

10. A vehicle characterized by comprising the trunk floor reinforcement structure according to any one of claims 1 to 9.