CN217835803U - Trunk floor assembly of vehicle and vehicle - Google Patents

Abstract

The utility model discloses a trunk floor assembly and vehicle of vehicle, the trunk floor assembly of vehicle includes: trunk floor, trunk floor include along the preceding back direction a plurality of ground plate sections that connect gradually, a plurality of ground plate sections are along the ascending size diverse in fore-and-aft direction. From this, through setting up trunk floor into a plurality of floor sections that connect gradually along fore-and-aft direction to make a plurality of floors along the ascending size diverse of fore-and-aft direction, not only can promote the structural strength on trunk floor like this, can realize avoiding of trunk floor moreover and design frequently, thereby can reduce the vibration of trunk floor, noise in the reduction car.

Description

Trunk floor assembly of vehicle and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a trunk floor assembly and vehicle of vehicle are related to.

Background

The trunk floor is a position for placing articles on a vehicle, and the floor is relatively weak in structure due to a large metal plate area, so that vibration and radiation noise are easily caused when excitation is transmitted to the trunk floor, and therefore the structural design of the trunk floor is very important for the NVH performance of the vehicle.

In the related art, the trunk floor is unreasonable in structural design, low in structural strength and low in strength of a joint of the trunk floor and a related structure, road excitation easily causes vibration of the trunk floor, so that vehicle noise is high, and user experience is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a trunk floor assembly of vehicle, the structural strength of trunk floor assembly of this vehicle is higher, and the vibration noise is less.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses trunk floor assembly of vehicle, include: trunk floor, trunk floor includes a plurality of ground plate sections that connect gradually along the fore-and-aft direction, and is a plurality of the size diverse of ground plate section along the fore-and-aft direction.

From this, through setting up trunk floor into a plurality of floor sections that connect gradually along fore-and-aft direction to make a plurality of floors along the ascending size diverse of fore-and-aft direction, not only can promote the structural strength on trunk floor like this, can realize avoiding of trunk floor moreover and design frequently, thereby can reduce the vibration of trunk floor, noise in the reduction car.

According to some embodiments of the utility model, it is a plurality of the floor section includes first floor section, second floor section and third floor section, the one end of second floor section connect in the rear end of first floor section, the other end slope of second floor section set up downwards and with the third floor section links to each other, the third floor section is located the rear below of first floor section.

According to some embodiments of the present invention, the length of the first floor section is L1, the length of the second floor section is L2, the length of the third floor section is L3, and L1, L2 and L3 satisfy the relation: l1 > L2 > L3, L1-L2 > 100mm, L2-L3 > 100mm.

According to some embodiments of the utility model, be provided with the strengthening rib on the trunk floor, the strengthening rib is a plurality of and includes: first strengthening rib and second strengthening rib, first strengthening rib with the second strengthening rib all is the arch, first strengthening rib set up in first floor section with the junction of second floor section and the setting of protrusion backward, the second strengthening rib set up in the second floor section with the junction of third floor section and the setting of protrusion forward.

According to some embodiments of the present invention, the trunk floor assembly of the vehicle further comprises: the reinforcing bracket is arranged in the middle of the trunk floor and extends in the front-back direction of the trunk floor, the reinforcing bracket comprises a first reinforcing section, a second reinforcing section and a third reinforcing section, one end of the second reinforcing section is connected to the rear end of the first reinforcing section, the other end of the second reinforcing section extends obliquely downwards and is connected with the third reinforcing section, the third reinforcing section is located behind and below the first reinforcing section, and the first reinforcing section, the second reinforcing section and the third reinforcing section are correspondingly arranged on the first floor section, the second floor section and the third floor section respectively.

According to some embodiments of the utility model, it strengthens the arch to be provided with on the support to strengthen, it strengthens arch and third including first enhancement arch, second and strengthens the arch, first enhancement arch set up in one side of first enhancement section left and right sides direction, the second strengthen the arch set up in the left and right sides of first enhancement section, first enhancement arch is in the fore-and-aft direction of first enhancement section extends the setting.

According to some embodiments of the present invention, the second reinforcing protrusion is provided in plurality, and the plurality of second reinforcing protrusions are arranged at intervals in the front-rear direction of the first reinforcing section; and/or the third reinforcing protrusion is arranged on the third reinforcing section, and the third reinforcing protrusion is hemispherical.

According to some embodiments of the utility model, be provided with first strengthening rib group on the third floor section, first strengthening rib group includes third strengthening rib and fourth strengthening rib, the third strengthening rib extends around and sets up and be a plurality of, and is a plurality of the third strengthening rib is at left right direction upper interval setting, the fourth strengthening rib extends to set up and run through a plurality ofly in left right direction the third strengthening rib, the front end of third strengthening rib extends to the second floor section at least partially.

According to the utility model discloses a some embodiments, the front end on trunk floor is provided with second strengthening rib group, second strengthening rib group includes fifth strengthening rib and sixth strengthening rib, fifth strengthening rib with the equal front and back extension of sixth strengthening rib sets up, fifth strengthening rib is located the left side or the right side of sixth strengthening rib and with sixth strengthening rib interval sets up, fifth strengthening rib with the degree of depth of sixth strengthening rib is the same and the width is different each other.

According to the utility model discloses vehicle, include: the trunk floor assembly of the vehicle described above; the rear cross beam is arranged on the front side of a trunk floor assembly of the vehicle; the rear anti-collision beam is arranged on the rear side of the trunk floor assembly of the vehicle.

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 trunk floor assembly of a vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic view of a trunk floor assembly of a vehicle according to an embodiment of the present invention;

FIG. 3 is a schematic view of a trunk floor assembly of a vehicle according to an embodiment of the present invention;

fig. 4 is a schematic view of a reinforcing brace in accordance with an embodiment of the present invention.

Reference numerals are as follows:

100. a vehicle;

10. a trunk floor assembly;

11. a trunk floor; 111. reinforcing ribs; 1111. a first reinforcing rib; 1112. a second reinforcing rib; 112. a floor section; 113. a first set of ribs; 1131. a third reinforcing rib; 1132. a fourth reinforcing rib; 114. a second set of ribs; 1141. fifthly, strengthening the ribs; 1142. a sixth reinforcing rib; 115. a third set of ribs; 1151. a seventh reinforcing rib; 116. a first floor section; 117. a second floor segment; 118. a third floor section;

12. a reinforcing bracket; 121. a reinforcing protrusion; 1211. a first reinforcing protrusion; 1212. a second reinforcing protrusion; 1213. a third reinforcing protrusion; 122. a first reinforcing section; 123. a second reinforcing section; 124. a third reinforcing section; 125. a fourth reinforcement section; 126. lightening holes;

20. a rear cross member; 30. a rear impact beam; 40. a stringer.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

Referring now to fig. 1-4, a trunk floor assembly 10 of a vehicle 100 according to an embodiment of the present invention is described, the trunk floor assembly 10 being applicable to the vehicle 100.

As shown in fig. 1 to 3, a trunk floor assembly 10 of a vehicle 100 according to an embodiment of the present invention may mainly include: the trunk floor 11, the trunk floor 11 may include a plurality of floor sections 112 connected in series in the front-rear direction, and the plurality of floor sections 112 may have different sizes in the front-rear direction.

Specifically, during the driving of the vehicle 100, the excitation is transmitted to the trunk floor 11, which may cause vibration of the trunk floor 11 and radiate noise into the vehicle, and unlike the structure in which the trunk floor sections are arranged as a whole and have a large area, by arranging the trunk floor 11 as a plurality of floor sections 112 connected in series in the front-rear direction, the structural strength of the trunk floor 11 can be improved, the vibration response of the trunk floor 11 can be reduced, and thus the noise in the vehicle can be better controlled.

Further, through making a plurality of floor sections 112 along the ascending size diverse of fore-and-aft direction, can realize a plurality of floor sections 112's intensity difference like this, because the intensity difference can influence the frequency difference, can realize a plurality of floor sections 112's natural frequency difference, prevent that a plurality of floor sections 112 from taking place resonance, thereby can realize trunk floor 11's the design of keeping away frequently, reduce trunk floor 11's amplitude, so, can further reduce trunk floor 11's vibration, guarantee the reduction of noise in the car, promote user's riding comfort.

From this, through setting up trunk floor 11 as a plurality of floor sections 112 that connect gradually along the fore-and-aft direction to make a plurality of floors along the ascending size diverse of fore-and-aft direction, not only can promote trunk floor 11's structural strength like this, can realize trunk floor 11's the design of keeping away frequently moreover, thereby can reduce trunk floor 11's vibration, noise in the reduction car.

Referring to fig. 1 to 3, the plurality of floor sections 112 may mainly include a first floor section 116, a second floor section 117, and a third floor section 118, one end of the second floor section 117 is connected to the rear end of the first floor section 116, the other end of the second floor section 117 is inclined downward and connected to the third floor section 118, and the third floor section 118 is located below and behind the first floor section 116, so that the shape of the trunk floor 11 may be further optimized, the structure of the trunk floor 11 may be enhanced, the structural strength of the trunk floor 11 may be further improved, and the vibration of the trunk floor 11 may be reduced.

Referring to fig. 3, the dimension of the first floor section 116 in the front-rear direction is L1, the dimension of the second floor section 117 in the front-rear direction is L2, the dimension of the third floor section 118 in the front-rear direction is L3, and L1, L2, and L3 satisfy the relationship: l1 > L2 > L3, L1-L2 > 100mm, L2-L3 > 100mm. Specifically, through being greater than the length of second floor segment 117 with the length setting ground of first floor segment 116, be greater than the length of third floor segment 118 with the length setting ground of second floor segment 117, and with the length difference of first floor segment 116 and second floor segment 117, and the length difference of second floor segment 117 and third floor segment 118 all sets up at reasonable within range, so not only can effectively promote the structural strength of trunk floor 11, but also can further increase first floor segment 116, the intensity difference of second floor segment 117 and third floor segment 118, realize the design of avoiding frequently of trunk floor 11, reduce the vibration of trunk floor 11.

Referring to fig. 2, a plurality of reinforcing ribs 111 are provided on trunk floor 11, and reinforcing ribs 111 may mainly include: first strengthening rib 1111 and second strengthening rib 1112, first strengthening rib 1111 and second strengthening rib 1112 all are the arch, and first strengthening rib 1111 sets up in the junction of first floor segment 116 and second floor segment 117 to the backward protrusion sets up, and second strengthening rib 1112 sets up in the junction of second floor segment 117 and third floor segment 118, and the forward protrusion sets up. Specifically, by arranging the reinforcing rib 111 on the trunk floor 11 and making the first reinforcing rib 1111 and the second reinforcing rib 1112 both in an arch shape, the structural strength of the trunk floor 11 can be further improved by using the characteristic of high strength of the arch structure, the vibration of the trunk floor 11 is reduced, the reduction of noise in the vehicle is ensured, and the riding comfort of a user is improved.

Further, through setting up first strengthening rib 1111 in the junction of first floor section 116 and second floor section 117, and the backward protrusion sets up, second strengthening rib 1112 sets up in the junction of second floor section 117 and third floor section 118, and the forward protrusion sets up, so not only can make first strengthening rib 1111 and second strengthening rib 1112 correspond and promote first floor section 116 and second floor section 117 junction, and the structural strength of the junction of second floor section 117 and third floor section 118, and can make first strengthening rib 1111 and second strengthening rib 1112 keep away from each other in the back and forth direction, can improve trunk floor 11 structural strength in the back and forth direction to a certain extent, thereby can improve trunk floor 11's structural strength more comprehensively, can further reduce trunk floor 11's vibration.

As shown in fig. 2, the aspect ratio of the first reinforcing rib 1111 and the aspect ratio of the second reinforcing rib 1112 are set differently, where the aspect ratio is the ratio of rise to chord of the arch structure, the rise is the vertical distance between the arch crown and the arch foot, the chord is the distance between two arch feet, and different height ratios can realize the strength difference between the first reinforcing rib 1111 and the second reinforcing rib 1112, and because the strength difference can affect the frequency difference, the natural frequency difference between the first reinforcing rib 1111 and the second reinforcing rib 1112 can be realized, so as to prevent the first reinforcing rib 1111 and the second reinforcing rib 1112 from resonating, thereby realizing the frequency avoidance design of the trunk floor 11, reducing the amplitude of the trunk floor 11, and thus, on the premise of improving the structural strength of the trunk floor 11, the vibration of the trunk floor 11 can be further reduced, ensuring the reduction of noise in the vehicle, and improving the riding comfort of users.

Further, the aspect ratio of the first reinforcing rib 1111 is a, the aspect ratio of the second reinforcing rib 1112 is b, and a and b satisfy the relationship: a-b is greater than 0.05, so that the difference between the height-width ratio of the first reinforcing rib 1111 and the height-width ratio of the second reinforcing rib 1112 can be controlled within a reasonable range, the strength difference between the first reinforcing rib 1111 and the second reinforcing rib 1112 is increased, the natural frequency difference between the first reinforcing rib 1111 and the second reinforcing rib 1112 is increased, the first reinforcing rib 1111 and the second reinforcing rib 1112 can be further prevented from resonating, the frequency avoiding design of the trunk floor 11 can be ensured, and the vibration of the trunk floor 11 can be further reduced.

Further, a satisfies the relation: 0.07 < a < 0.1, b satisfies the relation: b is more than 0.01 and less than 0.04. Specifically, by setting the aspect ratio of the first reinforcing rib 1111 and the aspect ratio of the second reinforcing rib 1112 within a reasonable range, the structural design of the first reinforcing rib 1111 and the second reinforcing rib 1112 can be further optimized, so that the structural strength of the trunk floor 11 can be further improved, and the vibration of the trunk floor 11 can be further reduced.

In an embodiment of the present invention, the first reinforcing rib 1111 and the second reinforcing rib 1112 are configured as arch structures with height-width ratios of 0.09 and 0.02, so as to not only improve the structural strength of the trunk floor 11, but also make the difference between the height-width ratios of the first reinforcing rib 1111 and the second reinforcing rib 1112 greater than 0.05, thereby effectively realizing the frequency-avoiding design of the trunk floor 11 and reducing the vibration of the trunk floor 11.

As shown in fig. 3, the trunk floor assembly 10 of the vehicle 100 may further include: strengthen support 12, strengthen the support and set up in the middle part on trunk floor 11 to the fore-and-aft direction on trunk floor 11 extends the setting, strengthens the strengthening rib 111 of 12 cover parts on the support, strengthens support 12 like this and can support the comparatively weak middle part position in trunk floor 11 structure and strengthen, thereby can improve trunk floor 11's structural strength, can reduce trunk floor 11's vibration response, noise in the reduction car.

Further, as shown in fig. 3, the reinforcing bracket 12 may mainly include a first reinforcing section 122, a second reinforcing section 123 and a third reinforcing section 124, one end of the second reinforcing section 123 is connected to the rear end of the first reinforcing section 122, the other end of the second reinforcing section 123 extends obliquely downward and is connected to the third reinforcing section 124, the third reinforcing section 124 is located behind and below the first reinforcing section 122, and the first reinforcing section 122, the second reinforcing section 123 and the third reinforcing section 124 are respectively and correspondingly disposed on the first floor section 116, the second floor section 117 and the third floor section 118, so that the first reinforcing section 122, the second reinforcing section 123 and the third reinforcing section 124 of the reinforcing bracket 12 can be made to conform to the disposition position and the structural characteristics of the trunk floor 11, the reliable support of the trunk floor 11 by the reinforcing bracket 12 can be further enhanced, the structural strength of the weak structure of the trunk floor 11 can be further enhanced, the structural strength of the trunk floor assembly 10 can be enhanced, the vibration of the trunk floor 11 can be reduced, and the noise can be reduced.

In addition, the reinforcing bracket 12 may further include a fourth reinforcing segment 125, and the fourth reinforcing segment 125 is disposed at the front end of the first reinforcing segment 122 and is bent downward relative to the first reinforcing segment 122, so that the reinforcing bracket 12 may be connected to the rear cross member 20 through the fourth reinforcing segment 125, and the stable disposition of the reinforcing bracket 12 is ensured.

Further, the reinforcing brace 12 has a thickness D1 and a width W, and D1 and W satisfy the relationship: d1 is more than or equal to 0.5mm and less than or equal to 1mm, and W is more than or equal to 165mmmm and less than or equal to 175mm. Specifically, the thickness and the width of the reinforcing support 12 are set within a reasonable range, so that the undersize of the reinforcing support 12 can be avoided on one hand, the structural strength of the reinforcing support 12 is low, the supporting effect on the trunk floor 11 is weak, and the oversize of the reinforcing support 12 can be avoided on the other hand, so that the structure of the trunk floor assembly 10 is too overstaffed, therefore, the structural strength of each position of the reinforcing support 12 is guaranteed to be within a reasonable range, the structural compactness of the trunk floor assembly 10 is improved on the premise of improving the structural strength of the trunk floor assembly 10, and the structural design of the reinforcing support 12 is optimized.

As shown in fig. 1 and 4, the reinforcing protrusion 121 is disposed on the reinforcing bracket 12, the reinforcing protrusion 121 may mainly include a first reinforcing protrusion 1211, a second reinforcing protrusion 1212 and a third reinforcing protrusion 1213, the first reinforcing protrusion 1211 is disposed on one side of the first reinforcing section 122 in the left-right direction, the second reinforcing protrusion 1212 is disposed on both sides of the first reinforcing section 122, and the first reinforcing protrusion 1211 is extended in the front-back direction of the first reinforcing section 122. Specifically, through set up on strengthening support 12 and strengthen arch 121, can promote the structural strength who strengthens support 12 self like this to can make and strengthen support 12 and can improve more reliable support for trunk floor 11, can further promote the structural strength of trunk floor 11, and then can further reduce trunk floor assembly 10's vibration response, reduce noise in the car, promote user's riding comfort.

Furthermore, the first reinforcing protrusion 1211 is disposed on one side of the first reinforcing section 122 in the left-right direction, the second reinforcing protrusion 1212 is disposed on both sides of the first reinforcing section 122, and the first reinforcing protrusion 1211 is extended in the front-rear direction of the first reinforcing section 122, so that the structural strength of the first reinforcing section 122 can be correspondingly enhanced, the supporting effect of the reinforcing bracket 12 on the trunk floor 11 can be further enhanced, the structural strength of the trunk floor assembly 10 can be enhanced, and the vibration of the trunk floor assembly 10 can be reduced.

As shown in fig. 4, the second reinforcing protrusions 1212 are provided in plurality, the second reinforcing protrusions 1212 are spaced apart from each other in the front-rear direction of the first reinforcing segment 122, the third reinforcing protrusions 1213 are provided on the third reinforcing segment 124, and the third reinforcing protrusions 1213 have a hemispherical shape. Specifically, the second reinforcing protrusion 1212 may be provided in plurality, and the plurality of second reinforcing protrusions 1212 may be spaced apart from each other in the front-rear direction of the first reinforcing segment 122, so that the structural strength of the first reinforcing segment 122 in the front-rear direction may be improved more effectively and reliably, and by providing the third reinforcing protrusion 1213 on the third reinforcing segment 124 and providing the third reinforcing protrusion 1213 in a hemispherical shape, the third reinforcing protrusion 1213 may bear excitations in different directions, so that the structural strength of the third reinforcing segment 124 and thus the reinforcing bracket 12 may be improved, the vibration of the trunk floor assembly 10 may be reduced, and the radiation noise of the trunk floor assembly 10 may be reduced.

Also, the third reinforcing protrusions 1213 have a bottom diameter L and a protrusion height H, and L and H satisfy the relationship: l is more than or equal to 90mm and less than or equal to 100mm, H is more than or equal to 30mm and less than or equal to 35mm, so that the diameter of the bottom of the third reinforcing protrusion 1213 and the height of the protrusion can be set within a reasonable range, the structural strength of the third reinforcing protrusion 1213 can be ensured to be within a reasonable range, the structural strength of the reinforcing bracket 12 can be improved, and the third reinforcing protrusion 1213 can be prevented from being large in size, so that the structure of the reinforcing bracket 12 is bulked and the weight is increased.

As shown in fig. 4, the reinforcing bracket 12 is provided with lightening holes 126, and the lightening holes 126 are spaced apart from each other on the reinforcing bracket 12. Specifically, a plurality of lightening holes 126 may be provided in the reinforcing bracket 12, and the plurality of lightening holes 126 are provided at intervals in the reinforcing bracket 12, so that the weight of the reinforcing bracket 12 is reduced on the premise of ensuring the structural strength of the reinforcing bracket 12 itself and ensuring the supporting effect of the reinforcing bracket 12 on the trunk floor 11, and the lightweight design of the reinforcing bracket 12 is realized. The sizes of the plurality of lightening holes 126 can be different, so that the lightening holes 126 can be conveniently arranged on the reinforcing support 12, the structural strength of the reinforcing support 12 can be further ensured, and the weight of the reinforcing support 12 is reduced.

Referring to fig. 2, the third floor segment 118 is provided with a first rib group 113, the first rib group 113 may include a third rib 1131 and a fourth rib 1132, the third rib 1131 extends back and forth and is provided in plurality, the plurality of third ribs 1131 are provided at intervals in the left-right direction, the fourth rib 1132 extends in the left-right direction and penetrates through the plurality of third ribs 1131, and the front end of the third rib 1131 at least partially extends to the second floor segment 117.

Specifically, by providing a plurality of third reinforcing ribs 1131 extending in the front-rear direction in the third floor section 118, the plurality of third reinforcing ribs 1131 are provided at intervals in the left-right direction, and by providing a plurality of fourth reinforcing ribs 1132 extending in the front-rear direction in the third floor section 118, the fourth reinforcing ribs 1132 penetrate the plurality of third reinforcing ribs 1131, so that the first reinforcing rib group 113 can be made to be in a "full" shape as a whole, thereby effectively improving the structural strength of the third floor section 118 in the front-rear direction and the left-right direction, and reducing the vibration of the trunk floor 11. Further, the front end of the third reinforcement rib 1131 extends at least partially to the second floor section 117, so that the third reinforcement rib 1131 correspondingly reinforces the connection between the third floor section 118 and the second floor section 117, thereby improving the connection strength between the third floor section 118 and the second floor section 117, and further improving the structural strength of the trunk floor 11.

It should be noted that the lengths of the plurality of third reinforcing ribs 1131 may be set to be unequal, so that when the first reinforcing rib group 113 reinforces the third floor segment 118, the strength difference at different positions of the third floor segment 118 may be realized, the frequency avoiding design for the third floor segment 118 is realized, and the vibration of the trunk floor 11 is reduced.

Further, the third reinforcing rib 1131 and the fourth reinforcing rib 1132 have the same depth and different widths, the width of the third reinforcing rib 1131 is W1, the width of the fourth reinforcing rib 1132 is W2, and W1 and W2 satisfy the relationship: w1 is more than or equal to 45mm and less than or equal to 65mm, W1 is more than or equal to 20mm and less than or equal to 40mm, so that on the premise of ensuring the improvement of the structural strength of the third floor section 118, the frequency avoiding design of the third floor section 118 is realized, and the vibration of the third floor section 118 is reduced.

As shown in fig. 2, a second reinforcing rib group 114 is arranged at the front end of the trunk floor 11, the second reinforcing rib group 114 includes a fifth reinforcing rib 1141 and a sixth reinforcing rib 1142, the fifth reinforcing rib 1141 and the sixth reinforcing rib 1142 extend forward and backward, the fifth reinforcing rib 1141 is located on the left side or the right side of the sixth reinforcing rib 1142, and is arranged at an interval with the sixth reinforcing rib 1142, and the fifth reinforcing rib 1141 and the sixth reinforcing rib 1142 have the same depth and different widths.

Specifically, the fifth reinforcing rib 1141 and the sixth reinforcing rib 1142 extending front and back are arranged at the front end of the trunk floor 11, the fifth reinforcing rib 1141 is located on the left side or the right side of the sixth reinforcing rib 1142, and the fifth reinforcing rib 1141 and the sixth reinforcing rib 1142 are arranged at intervals, so that the second reinforcing rib group 114 is arranged in the front and back direction and the left and right direction of the front end of the trunk floor 11, the structural strength of the front end of the trunk floor 11 in the front and back direction and the left and right direction can be effectively improved, and the vibration of the trunk floor 11 is reduced.

Further, the fifth reinforcing rib 1141 and the sixth reinforcing rib 1142 have the same depth and different widths, the width of the fifth reinforcing rib 1141 is W3, the width of the sixth reinforcing rib 1142 is W4, and W3 and W4 satisfy the relationship: w3 is more than or equal to 70mm and less than or equal to 90mm, W4 is more than or equal to 30mm and less than or equal to 50mm, so that on the premise of ensuring the improvement of the structural strength of the front end of the trunk floor 11, the frequency avoiding design of the front end of the trunk floor 11 can be further realized, and the vibration of the trunk floor 11 is reduced.

Referring to fig. 2, the third rib group 115 is provided at both left and right ends of the trunk floor 11, and the third rib group 115 may include a plurality of seventh ribs 1151 disposed at intervals, and the plurality of seventh ribs 1151 have the same depth and different widths. Specifically, through all setting up the seventh strengthening rib 1151 that a plurality of intervals set up in both ends about trunk floor 11, can improve the structural strength at both ends about trunk floor 11 like this, it is the same through setting up the degree of depth with a plurality of seventh strengthening ribs 1151, and the width is different from each other, can realize the intensity difference of a plurality of seventh strengthening ribs 1151 to both ends difference position about trunk floor 11 like this, thereby under the prerequisite of the improvement of the structural strength at both ends about guaranteeing trunk floor 11, further realize the design of keeping away frequently about trunk floor 11 at both ends, reduce the vibration of trunk floor 11.

Further, as shown in fig. 2, the first reinforcing rib group 113 is disposed at the rear side of the second reinforcing rib 1112 and extends at least partially to the front side of the second reinforcing rib 1112, the first reinforcing rib group 113 is disposed at the rear side of the first reinforcing rib 1111, the second reinforcing rib group 114 is disposed at the front side of the first reinforcing rib 1111, and the second reinforcing rib group 114 is disposed between the left and right third reinforcing rib groups 115, so as to optimize the structural design of the trunk floor 11, and the positions of the first reinforcing rib 1111, the second reinforcing rib 1112, the first reinforcing rib group 113, the second reinforcing rib group 114, and the third reinforcing rib group 115 on the trunk floor 11 are more reasonable, thereby more comprehensively improving the structural strength of the trunk floor 11, when the excitation is transmitted to the trunk floor 11, more effectively reducing the vibration at each position of the trunk floor 11, and improving the riding comfort of the user.

As shown in fig. 1 and fig. 2, a vehicle 100 according to an embodiment of the present invention may mainly include: the trunk floor assembly 10, the rear cross member 20, and the rear impact beam 30 of the vehicle 100 are described above, wherein the rear cross member 20 is disposed on the front side of the trunk floor assembly 10 of the vehicle 100, and the rear impact beam 30 is disposed on the rear side of the trunk floor assembly 10 of the vehicle 100.

Specifically, the rear cross beam 20 is arranged at the front side of the trunk floor assembly 10 of the vehicle 100, and the rear anti-collision beam 30 is arranged at the rear side of the trunk floor assembly 10 of the vehicle 100, so that the trunk floor 11 can be arranged between the rear cross beam 20 and the rear anti-collision beam 30, and two ends of the reinforcing bracket 12 can be respectively connected with the rear cross beam 20 and the rear anti-collision beam 30, so that the rear cross beam 20 and the rear anti-collision beam 30 can play a role in fixedly connecting the reinforcing bracket 12 by enabling the trunk floor 11 to comprise a plurality of floor sections 112 which are sequentially connected along the front-rear direction, and the reinforcing rib 111 which is in an arch shape is arranged on the trunk floor 11, on the premise of improving the structural strength of the trunk floor 11, thereby ensuring the stability and the reliability of the reinforcing bracket 12, further improving the supporting effect of the reinforcing bracket 12 on the trunk floor 11, improving the structural strength of the trunk floor assembly 10, reducing the vibration of the trunk floor assembly 10, further improving the NVH performance of the vehicle 100, reducing the noise in the vehicle, and improving the riding comfort of a user.

In addition, the vehicle 100 may further include two longitudinal beams 40 disposed at an interval in the left-right direction, after the reinforcing bracket 12 is connected to the rear cross beam 20 and the rear impact beam 30, the reinforcing bracket 12, the rear cross beam 20, and the rear impact beam 30 may form a "herringbone" structure together with the two longitudinal beams 40, and since the structure has a plurality of closed cavities, the strength of the trunk floor assembly 10 may be further improved, the vibration of the trunk floor assembly 10 may be further reduced, and the NVH performance of the vehicle 100 may be further improved.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for 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 thus, should not be construed as limiting the present invention.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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.

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 trunk floor assembly (10) of a vehicle (100), comprising:

trunk floor (11), trunk floor (11) include along a plurality of ground board sections (112) that fore-and-aft direction connects gradually, and are a plurality of ground board section (112) are along the ascending size diverse of fore-and-aft direction.

2. The trunk floor assembly (10) of a vehicle (100) according to claim 1, wherein the plurality of floor segments (112) comprise a first floor segment (116), a second floor segment (117) and a third floor segment (118), wherein one end of the second floor segment (117) is connected to a rear end of the first floor segment (116), wherein the other end of the second floor segment (117) is inclined downward and connected to the third floor segment (118), and wherein the third floor segment (118) is located below and behind the first floor segment (116).

3. The trunk floor assembly (10) of the vehicle (100) according to claim 2, wherein the dimension in the front-rear direction of the first floor section (116) is L1, the dimension in the front-rear direction of the second floor section (117) is L2, the dimension in the front-rear direction of the third floor section (118) is L3, and the L1, L2, and L3 satisfy the relation: l1 > L2 > L3, L1-L2 > 100mm, L2-L3 > 100mm.

4. The trunk floor assembly (10) of the vehicle (100) according to claim 2, wherein a reinforcing rib (111) is provided on the trunk floor (11), the reinforcing rib (111) being plural and including: first strengthening rib (1111) and second strengthening rib (1112), first strengthening rib (1111) with second strengthening rib (1112) all is the arch, first strengthening rib (1111) set up in first floor section (116) with the junction of second floor section (117) and the setting of protrusion backward, second strengthening rib (1112) set up in second floor section (117) with the junction of third floor section (118) and the setting of protrusion forward.

5. The trunk floor assembly (10) of the vehicle (100) according to claim 2, further comprising: the reinforcing bracket (12) is arranged in the middle of the trunk floor (11) and extends in the front-rear direction of the trunk floor (11), the reinforcing bracket (12) comprises a first reinforcing section (122), a second reinforcing section (123) and a third reinforcing section (124), one end of the second reinforcing section (123) is connected to the rear end of the first reinforcing section (122), the other end of the second reinforcing section (123) extends obliquely downwards and is connected with the third reinforcing section (124), the third reinforcing section (124) is positioned behind and below the first reinforcing section (122), and the first reinforcing section (122), the second reinforcing section (123) and the third reinforcing section (124) are respectively arranged on the first floor section (116), the second floor section (117) and the third floor section (118) correspondingly.

6. The trunk floor assembly (10) of the vehicle (100) according to claim 5, wherein the reinforcing protrusion (121) is provided on the reinforcing bracket (12), the reinforcing protrusion (121) includes a first reinforcing protrusion (1211), a second reinforcing protrusion (1212), and a third reinforcing protrusion (1213), the first reinforcing protrusion (1211) is provided on one side of the first reinforcing section (122) in the left-right direction, the second reinforcing protrusion (1212) is provided on both sides of the first reinforcing section (122), and the first reinforcing protrusion (1211) is provided extending in the front-rear direction of the first reinforcing section (122).

7. The trunk floor assembly (10) of the vehicle (100) according to claim 6, wherein the second reinforcing protrusion (1212) is plural, and plural second reinforcing protrusions (1212) are provided at intervals in a front-rear direction of the first reinforcing section (122); and/or

The third reinforcing protrusions (1213) are provided on the third reinforcing section (124), and the third reinforcing protrusions (1213) have a hemispherical shape.

8. The trunk floor assembly (10) of a vehicle (100) of claim 2, wherein a first set of ribs (113) is provided on the third floor section (118), said first set of ribs (113) comprising a third rib (1131) and a fourth rib (1132), said third rib (1131) extending back and forth and being a plurality of, said third rib (1131) being spaced apart in the left-right direction, said fourth rib (1132) extending in the left-right direction and being a plurality of said third rib (1131), said front end of said third rib (1131) extending at least partially to the second floor section (117).

9. The trunk floor assembly (10) of the vehicle (100) according to claim 2, wherein a second reinforcing rib group (114) is provided at a front end of the trunk floor (11), the second reinforcing rib group (114) includes a fifth reinforcing rib (1141) and a sixth reinforcing rib (1142), the fifth reinforcing rib (1141) and the sixth reinforcing rib (1142) are both extended forward and backward, the fifth reinforcing rib (1141) is located on a left side or a right side of the sixth reinforcing rib (1142) and spaced from the sixth reinforcing rib (1142), and the fifth reinforcing rib (1141) and the sixth reinforcing rib (1142) have the same depth and the different width.

10. A vehicle (100), characterized by comprising:

a trunk floor assembly (10) of the vehicle (100) of any of claims 1-9;

a rear cross member (20), the rear cross member (20) being provided on a front side of a trunk floor assembly (10) of the vehicle (100);

a rear impact beam (30), the rear impact beam (30) being disposed on a rear side of a trunk floor assembly (10) of the vehicle (100).

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