CN114802457A - Vehicle door sill device - Google Patents

Abstract

The invention relates to a vehicle doorsill device which is arranged on a vehicle, wherein the vehicle comprises a battery pack tray, the vehicle doorsill device comprises a doorsill mechanism, the doorsill mechanism comprises a doorsill inner plate, a doorsill outer plate, a doorsill bottom plate, a doorsill outer plate and an upper reinforcing transverse plate, and the doorsill inner plate, the doorsill outer plate and the upper reinforcing transverse plate are enclosed together to form a first cavity; the inner doorsill plate, the bottom doorsill plate, the upper reinforcing transverse plate and the outer doorsill plate are arranged in a surrounding mode to form a second cavity. According to the invention, the first cavity is divided into three small cavities by the threshold reinforcing vertical plate and the threshold outer side plate by arranging the first cavity and the second cavity, and the second cavity is divided into a plurality of small cavities by the plurality of threshold reinforcing transverse plates and the threshold reinforcing vertical plates, so that more battery pack spaces can be reserved and the energy absorption effect can be ensured; through setting up the protection groove, can guarantee arranging and installation space of pencil and pipeline, and the U-shaped board also can play protection pencil and pipeline effect, also can play the effect of support when the vehicle lifts.

Description

vehicle door sill device

technical field

The present invention relates to the technical field of vehicles, in particular to a vehicle door sill device.

Background technique

With the continuous development of electric vehicles, battery technology has also advanced by leaps and bounds. In order to increase the battery life of electric vehicles, batteries have developed from small modules to CTP (Cell To Pack) and then to CTC (Cell To Chasis). CTC is the integration solution of the battery cell and the body. According to the company's power battery and body integration solution, the layout space required by the battery pack should be maximized and the performance should be better.

The vehicle door sill device is one of the main connection structures between the side wall and the floor. In an electric vehicle with a rear motor, wiring harnesses and pipes such as cooling pipelines and charging harnesses need to be set between the vehicle control system at the front of the vehicle and the drive motor at the rear of the vehicle. road, and most of them are installed in the vehicle door sill device. Vehicles subjected to side collisions are the most common form of collisions in daily life.

The vehicle door sill device in the prior art has a poor energy absorption effect when the vehicle is deformed by a side collision, and will withstand a great impact force and deform into the vehicle interior, invade the interior space of the vehicle, and cause the battery pack to be squeezed. Deformation, unable to protect the wiring harness and pipeline, and even fire and explosion, causing serious accidents; and these pipelines will inevitably occupy the installation space of the battery pack, and it is difficult to meet the layout space requirements of the battery pack.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a vehicle door sill that can reserve more battery pack arrangement space, ensure the energy absorption effect, ensure the arrangement and installation space of the wiring harness and pipeline, and protect the wiring harness and pipeline. device.

A vehicle door sill device is provided on a vehicle, and the vehicle includes a battery pack tray, including:

A door sill mechanism, the door sill mechanism includes a sill inner plate, an outer sill plate, a sill bottom plate, an outer sill plate and an upper reinforcing cross plate, the first end of the outer sill plate is connected with the first end of the inner sill plate, so The second end of the rocker outer plate is connected to the first end of the upper reinforcing transverse plate, the second end of the upper reinforcement transverse plate is connected to the rocker inner plate, the rocker inner plate, the rocker outer plate The plate and the upper reinforcing transverse plate are jointly enclosed to form a first cavity;

The first end of the rocker bottom plate is connected with the second end of the rocker inner plate, the second end of the rocker bottom plate is connected with the first end of the rocker outer plate, and the second end of the rocker outer plate is connected to the second end of the rocker outer plate. It is arranged in the first cavity and connected to the inner panel of the rocker. ;

The second cavity is also provided with a plurality of sill reinforcement horizontal plates, and the first cavity and the second cavity are also provided with sill reinforcement vertical plates;

The rocker bottom plate is also connected with a U-shaped plate, and the rocker bottom plate and the U-shaped plate are jointly enclosed to form a third cavity; the rocker bottom plate is connected with the battery pack tray, and the U-shaped plate, the A protection groove is formed between the door sill bottom plate and the battery pack tray.

In one of the embodiments, the length of the first cavity is greater than the length of the second cavity.

In one embodiment, the vehicle further includes a rear floor and an A-pillar inner panel, and the door sill mechanism is connected to the A-pillar inner panel and the rear floor through a door opening overlapping member.

In one embodiment, the door opening lap joint includes a front door opening flange, a B-pillar inner and lower panel, and a rear door flange, and the front door flange and the rear door flange are respectively connected to On the two sides corresponding to the inner and lower plates of the B-pillar, the front door opening flanging piece, the rear door opening flanging piece and the B-pillar inner and lower plates are all connected with the door sill mechanism through SPR, and the door sill mechanism The front door opening flanging piece is connected to the inner panel of the A-pillar, and the door sill mechanism is connected to the rear floor through the rear door opening flanging piece.

In one embodiment, the vehicle further includes a front floor, and a first end of the upper reinforcing cross plate extends to the outside of the second cavity to form an extension portion, the extension portion is connected to the front floor Through the SPR connection, the extending portion is arranged in parallel with the front floor panel, and there is a space between the front floor panel and the rocker outer panel.

In one embodiment, the rocker base plate is connected to the battery pack tray through a nut plate assembly;

Wherein, the nut plate assembly is arranged in the second cavity, the nut plate assembly includes a nut plate, a rivet and a bolt, and the nut plate is threadedly connected to the rocker bottom plate through the rivet; the nut plate The battery pack tray is threadedly connected with the bolt.

In one embodiment, the battery pack tray includes a tray, an outer frame reinforcement plate and an inner frame reinforcement plate, the outer frame reinforcement plate and the frame inner reinforcement plate are both connected to the tray, and the tray has a connecting part connected with the bottom of the rocker bottom plate, the connecting part and the bottom of the rocker bottom plate are connected with the bottom of the rocker bottom plate by sealing glue.

In one embodiment, the thicknesses of the first end of the rocker inner panel to the second end of the rocker inner panel are the same; the thicknesses of the first end of the rocker outer panel to the second end of the rocker outer panel are the same ; The thickness of the U-shaped plate is the same.

In one embodiment, the thicknesses of the first end of the rocker outer panel and the rocker reinforcement riser to the second end of the rocker outer panel and the rocker reinforcement riser are all inconsistent; The thicknesses of the first end of the upper reinforcing horizontal plate and the sill reinforcing horizontal plate to the second end of the sill bottom plate, the upper reinforcing horizontal plate and the sill reinforcing horizontal plate are not uniform.

In one embodiment, the sill reinforcement transverse plates include two, the two sill reinforcement transverse plates are arranged at intervals in the second cavity, and the first end of each of the sill reinforcement transverse plates is connected to the The sill inner panel and the second end of the sill reinforcing transverse plate are all connected to the sill outer panel; the first end of the sill reinforcing vertical plate is connected to the sill bottom plate, and the The second end is connected to the rocker inner panel.

In the above solution, by setting the first cavity and the second cavity, the sill reinforcing vertical plate and the sill outer plate separate the first cavity to form three small chambers, and the N sill reinforcing transverse plates separate the second cavity to form three small chambers. There are N+1 large chambers, and the threshold reinforcement vertical plate separates the N+1 large chambers to form 2(N+1) small chambers, which can leave more battery pack space and ensure the energy absorption effect; The U-shaped plate is provided, and a protection groove is formed between the U-shaped plate, the door sill bottom plate and the battery pack tray, which can ensure the arrangement and installation space of the wiring harness and the pipeline, and the U-shaped plate can also protect the wiring harness and pipeline. It can play a supporting role when the vehicle is lifted.

Description of drawings

FIG. 1 is a schematic diagram of the connection structure of a door sill mechanism and a door opening overlapping member according to an embodiment of the present invention;

FIG. 2 is a partial structural schematic diagram of a vehicle rocker device according to an embodiment of the present invention, and the figure shows a cross-sectional structure of the rocker mechanism;

3 is a schematic diagram of the connection structure of the door sill mechanism, the door opening overlapping member, the inner panel of the A-pillar and the rear floor according to an embodiment of the present invention;

4 is a schematic diagram of the connection structure of the door sill mechanism, the door opening overlapping member, the inner panel of the A-pillar, the rear floor and the seat beam according to an embodiment of the present invention.

Description of reference numerals

10. Vehicle door sill device; 100. Vehicle; 110. Battery pack tray; 111. Tray; Cross member; 150, front floor; 200, rocker mechanism; 210, rocker inner panel; 211, third inclined part; 212, first vertical part; 213, curved part; 214, second vertical part; 220, rocker outer plate; 221, first inclined part; 222, second inclined part; 230, rocker bottom plate; 240, rocker outer plate; 250, upper reinforcing cross plate; 260, first cavity; 270, second cavity; 280, sill reinforced horizontal plate; 290, sill reinforced vertical plate; 300, U-shaped plate; 310, third cavity; 400, door opening lap joint; 410, front door opening flange; 420, B-pillar inner and lower plate; 430, 500, nut plate assembly; 510, nut plate; 520, rivet.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the present invention relates to a vehicle door sill device 10 , which is disposed on a vehicle 100 , and the vehicle 100 includes a battery pack tray 110 . The vehicle rocker device 10 includes a rocker mechanism 200, the rocker mechanism 200 is connected to the battery pack tray 110, and a U-shaped plate 300 is connected to the lower end of the rocker mechanism 200, and a protection groove is formed between the rocker mechanism 200, the battery pack tray 110 and the U-shaped plate 300, Ensure the arrangement and installation space of wiring harness and pipeline.

Most of the traditional threshold mechanisms are formed by tailoring sheet metal, and the length and width of the sheet metal in each part of the traditional threshold mechanism are different, which not only increases the labor intensity, but also increases the cost of manual welding, so the cost of the welding process increases. In order to solve this technical problem, the door sill mechanism 200 in this application adopts an aluminum extrusion profile, and the door sill mechanism 200 is an extruded integral molding structure, and there is no welding weak point. Under the same collision conditions, the door sill mechanism 200 has a better energy absorption effect. Therefore, the collision performance of the whole vehicle can be improved. At the same time, the door sill mechanism 200 is an extruded integral structure, which not only reduces labor intensity, but also does not require welding, which greatly reduces the production cost. In addition, the aluminum alloy extrusion process is adopted, and the density of the aluminum alloy is much smaller than that of the steel plate, thereby making the door sill mechanism 200 lighter.

Referring to FIGS. 1 and 2 , the rocker mechanism 200 includes a rocker inner panel 210 , a rocker outer panel 220 , a rocker bottom panel 230 , a rocker outer panel 240 and an upper reinforcing cross plate 250 . The first end of the rocker outer panel 220 is connected to the rocker inner panel. The first end of 210 is connected, and the second end of the rocker outer plate 220 is connected to the first end of the upper reinforcing cross plate 250 . The second end of the upper reinforcing transverse plate 250 is connected to the rocker inner plate 210 . The rocker inner plate 210 , the rocker outer plate 220 and the upper reinforcing transverse plate 250 are jointly surrounded to form a first cavity 260 .

The first end of the rocker bottom plate 230 is connected with the second end of the rocker inner plate 210 , and the second end of the rocker bottom plate 230 is connected with the first end of the rocker outer plate 240 . The second end of the rocker outer plate 240 passes through the first cavity 260 and is connected to the rocker inner plate 210 . The rocker inner plate 210 , the rocker bottom plate 230 , the upper reinforcing transverse plate 250 and the rocker outer plate 240 are jointly enclosed to form a second cavity 270 .

Specifically, in this embodiment, the rocker outer panel 220 includes a first inclined portion 221 and a second inclined portion 222 , the first inclined portion 221 is inclined relative to the second inclined portion 222 , and the second inclined portion 222 strengthens the horizontal plate relative to the upper portion 250 incline settings. The included angle between the first inclined portion 221 and the second inclined portion 222 is an obtuse angle, and the first inclined portion 221 is used for connecting with the rocker inner panel 210 , and the second inclined portion 222 is used for connecting with the upper reinforcing cross plate 250 . The rocker inner panel 210 includes a third inclined portion 211 , a first vertical portion 212 , a curved portion 213 and a second vertical portion 214 connected in sequence, the third inclined portion 211 is connected with the first inclined portion 221 , and the third inclined portion 211 is inclined relative to the first vertical portion 212 . The first inclined portion 221 , the second inclined portion 222 , the third inclined portion 211 , the first vertical portion 212 and the upper reinforcing horizontal plate 250 are jointly surrounded to form a first cavity 260 . The curved portion 213 , the second vertical portion 214 , the rocker bottom plate 230 , the upper reinforcing transverse plate 250 , and the rocker outer side plate 240 are all surrounding together to form a second cavity 270 .

Referring to FIG. 1 and FIG. 2 , a plurality of sill reinforcing transverse plates 280 are further arranged in the second cavity 270 , and sill reinforcing vertical plates 290 are also arranged in the first cavity 260 and the second cavity 270 . In this embodiment, there are two rocker reinforcement transverse plates 280 , the two rocker reinforcement transverse plates 280 are disposed in the second cavity 270 at intervals, and the first end of each rocker reinforcement transverse plate 280 is connected to the rocker inner plate 210 . The second ends of the rocker reinforcing transverse plates 280 are all connected to the rocker outer side plate 240 , so that the two rocker strengthening transverse plates 280 divide the second cavity 270 into three large chambers.

The first end of the rocker reinforcing vertical plate 290 is connected to the rocker bottom plate 230 , and the second end of the rocker reinforcing vertical plate 290 is connected to the rocker inner plate 210 . The rocker reinforcement riser 290 is disposed between the rocker inner panel 210 and the rocker outer panel 240 . The sill reinforcement riser 290 and the sill outer side plate 240 separate the first cavity 260 into three small chambers; meanwhile, the sill reinforcement riser 290 further divides the three large chambers of the second cavity 270 into six small chambers . In this way, the first cavity 260 and the second cavity 270 are divided into nine small chambers. In other embodiments, the number of the sill reinforcing transverse plates 280 may be one or more, and the number of the sill reinforcing vertical plates 290 may be multiple, which is not limited here.

Referring to FIG. 1 and FIG. 2 , the first cavity 260 and the second cavity 270 form a stepped structure. The length of the first cavity 260 is greater than the length of the second cavity 270 . Specifically, the first end of the curved portion 213 of the rocker inner panel 210 is connected to the second end of the upper reinforcing cross plate 250 , and the second end of the curved portion 213 of the rocker inner panel 210 is connected to the rocker provided near the upper reinforcing cross panel 250 . The first end of the cross plate 280 is reinforced. There is a distance between the second end of the curved portion 213 of the rocker inner panel 210 and the first end of the curved portion 213 of the rocker inner panel 210 in both the X-axis direction and the Y-axis direction, and the first end of the curved portion 213 and the outside of the rocker The distance between the plates 240 is smaller than the distance between the second end of the curved portion 213 and the outer side plate 240 of the rocker, so that the first cavity 260 and the second cavity 270 form a stepped structure. One side of the battery pack is not a straight line structure, but a concave-convex structure, which can avoid the battery pack, thereby leaving more battery pack space. As shown in FIG. 2 , in the stepped structure, the first cavity 260 and the second cavity 270 are sequentially arranged along the positive direction of the X-axis. Exemplarily, the first cavity 260 includes a first side and a second side arranged oppositely, and the second cavity 270 includes a third side and a fourth side arranged oppositely. The first side of the first cavity 260 is disposed close to the third side of the second cavity 270 , and the first side of the first cavity 260 is disposed in front of the third side of the second cavity 270 . The second side of the first cavity 260 is disposed close to the fourth side of the second cavity 270 , and the second side of the first cavity 260 is disposed in front of the fourth side of the second cavity 270 .

By arranging the first cavity 260 and the second cavity 270 , the rocker reinforcement vertical plate 290 and the rocker outer plate 240 separate the first cavity 260 into three small chambers, and the two rocker reinforcement transverse plates 280 separate the second cavity 270 Three large chambers are formed by partitioning, and the first cavity 260 is divided into three small chambers by the sill reinforcement riser 290 and the outer side plate 240 of the sill; It is further divided into six small chambers, which can leave more battery pack space and ensure the energy absorption effect.

Referring to FIGS. 1 and 2 , the thicknesses of the first end of the rocker inner panel 210 to the second end of the rocker inner panel 210 are the same. The thickness of the first end of the rocker outer panel 220 to the second end of the rocker outer panel 220 is the same. The thickness of the U-shaped plate 300 is uniform. The thickness of the first end of the rocker outer plate 240 to the second end of the rocker outer plate 240 is not uniform. The thickness of the first end of the sill reinforcement riser 290 to the second end of the sill reinforcement riser 290 is not uniform. The thickness of the first end of the rocker bottom plate 230 to the second end of the rocker bottom plate 230 is not uniform. The thickness of the first end of the upper reinforcing cross plate 250 to the second end of the upper reinforcing cross plate 250 is not uniform. The thickness of the first end of the sill reinforcing transverse plate 280 to the second end of the sill reinforcing transverse plate 280 is not uniform. In this embodiment, the thickness of the U-shaped surface of the U-shaped plate 300 is 2.5 mm, which can strengthen the lower part of the door sill mechanism 200 and protect the wiring harness arrangement of the lower part of the door sill mechanism 200 .

Sill outer plate 240, sill reinforcing riser 290, sill bottom plate 230, upper reinforcing cross plate 250 and first end of sill reinforcing cross plate 280 to sill outside plate 240, sill reinforcing vertical plate 290, sill bottom plate 230, upper reinforcing cross plate 250 and the thickness of the second end of the sill reinforcing transverse plate 280 can be gradually reduced or gradually increased. The thicknesses from one end to the second end of the sill outer plate 240, the sill reinforcing vertical plate 290, the sill bottom plate 230, the upper reinforcing transverse plate 250 and the sill reinforcing transverse plate 280 may also be inconsistent for each part. Free settings.

By designing the sill outer panel 240, the sill reinforcement riser 290, the sill bottom plate 230, the upper reinforcement transverse plate 250 and the first end of the sill reinforcement transverse plate 280 to the sill outer panel 240, the sill reinforcement riser 290, the sill floor 230, the upper reinforcement The thickness of the cross plate 250 and the second end of the door sill reinforcement cross plate 280 can make various changes of the door sill mechanism 200 to improve the collision performance of the door sill mechanism 200, thereby improving the collision performance of the vehicle 100, and at the same time, improving the utilization rate of materials.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the U-shaped plate 300 is connected to the first end of the rocker bottom plate 230 , and the rocker bottom plate 230 and the U-shaped plate 300 together form a third cavity 310 . The first end of the rocker bottom plate 230 is connected to the battery pack tray 110 , and a protection groove is formed between the U-shaped plate 300 , the rocker bottom plate 230 and the battery pack tray 110 to ensure the arrangement and installation space of the wiring harness and the pipeline, and the U-shaped plate 300 The U-shaped surface can protect the wiring harness and pipeline, and can also play a supporting role when the vehicle is lifted.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the vehicle 100 further includes a rear floor 120 , an A-pillar inner panel 130 and a seat beam 140 , and the door sill mechanism 200 is connected to the A-pillar inner panel 130 through a door opening lap 400 and rear floor 120. The door sill mechanism 200 is connected to the seat cross member 140 . The seat beam 140 is disposed between the rear floor 120 and the A-pillar inner panel 130 .

By arranging the first cavity 260 and the second cavity 270 , the rocker reinforcement vertical plate 290 and the rocker outer plate 240 separate the first cavity 260 into three small chambers, and the two rocker reinforcement transverse plates 280 separate the second cavity 270 The three large chambers are separated to form three large chambers, and at the same time, the threshold reinforcement vertical plate 290 further separates the three large chambers of the second cavity 270 to form six small chambers, which can leave more battery pack space and ensure that In the event of a collision, the collision force is transmitted to the seat beam 140, and the energy absorption effect is ensured.

Specifically, the door opening lap joint 400 includes a front door opening flanging piece 410, a B-pillar inner lower plate 420, a rear door opening flanging piece 430, and the front door opening flanging piece 410 and the rear door opening flanging piece 430 are respectively connected to the inner and lower parts of the B-pillar On the two sides corresponding to the plate 420, the front door opening flanging piece 410 and the rear door opening flanging piece 430 are both L-shaped structures. The door opening flange 430 is connected to the rear floor 120 .

The front door opening flanging piece 410 , the rear door opening flanging piece 430 and the B-pillar inner lower plate 420 are all connected with the door sill mechanism 200 through SPR or FDS. The door sill mechanism 200 is connected to the seat cross member 140 via SPR or FDS. By connecting the front door opening flange 410 , the rear door opening flange 430 and the B-pillar inner lower plate 420 with the door sill mechanism 200 using SPR or FDS, and the door sill mechanism 200 and the seat beam 140 using SPR or FDS connection In this way, the connection between the door opening lap joint 400 and the door sill mechanism 200 and the seat beam 140 and the door sill mechanism 200 is quicker, and the connection strength between the two can be ensured.

More specifically, FDS uses flow drill screws in the prior art for connection, and is reinforced by rotating heating, penetrating, through-hole, tapping, screwing, and tightening; SPR uses self-piercing riveting connections, mainly It is processed and connected through the steps of clamping, punching, expansion, punching and riveting.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the vehicle 100 further includes a front floor 150 , and the first end of the upper reinforcing cross plate 250 extends to the outside of the second cavity 270 to form an extending portion. The extension part is connected with the front floor 150 by SPR or FDS, the extension part is arranged in parallel with the front floor 150, and there is a distance between the front floor 150 and the rocker outer side plate 240, which facilitates the installation of the front floor 150 and avoids interference. In this embodiment, the distance between the front floor panel 150 and the outer side panel 240 of the rocker is 5 mm, and the thickness of the extending portion is the same, which is 2 mm.

Referring to FIGS. 1 , 2 and 3 , the rocker bottom plate 230 is connected to the battery pack tray 110 through a nut plate assembly 500 . Specifically, the nut plate assembly 500 is disposed in the second cavity 270 . The nut plate assembly 500 includes a nut plate 510 , rivets 520 and bolts, and the nut plate 510 is threadedly connected to the rocker bottom plate 230 through the rivets 520 . The nut plate 510 is screwed to the battery pack tray 110 through bolts.

The battery pack tray 110 includes a tray 111 , an outer frame reinforcement plate 112 and an inner frame reinforcement plate 113 . The outer frame reinforcement plate 112 and the inner frame reinforcement plate 113 are both connected to the tray 111 , and the tray 111 has a bottom panel connected to the bottom of the rocker bottom plate 230 . The connecting portion is connected with the bottom of the rocker bottom plate 230 through a sealant. Specifically, the nut plate 510 is threadedly connected to the tray 111 of the battery pack tray 110 through bolts, and a sealant is provided between the connection part and the bottom of the rocker bottom plate 230 , and the sealing between the tray 111 and the vehicle 100 is also adopted in the connection part and the bottom of the rocker bottom plate 230 . A sealing method in which a sealant is provided between the bottoms of the sill bottom plates 230 can ensure the sealing effect, simplify the sealing, and reduce the sealing material and weight at the same time.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. A vehicle sill device provided in a vehicle including a battery pack tray, comprising:

the door sill mechanism comprises a door sill inner plate, a door sill outer plate, a door sill bottom plate, a door sill outer plate and an upper reinforcing transverse plate, wherein a first end of the door sill outer plate is connected with a first end of the door sill inner plate, a second end of the door sill outer plate is connected with a first end of the upper reinforcing transverse plate, a second end of the upper reinforcing transverse plate is connected to the door sill inner plate, and the door sill inner plate, the door sill outer plate and the upper reinforcing transverse plate are jointly surrounded to form a first cavity;

the first end of the threshold bottom plate is connected with the second end of the threshold inner plate, the second end of the threshold bottom plate is connected with the first end of the threshold outer plate, the second end of the threshold outer plate penetrates through the first cavity and is connected to the threshold inner plate, and the threshold inner plate, the threshold bottom plate, the upper reinforcing transverse plate and the threshold outer plate are jointly surrounded to form a second cavity;

a plurality of threshold reinforcing transverse plates are also arranged in the second cavity, and threshold reinforcing vertical plates are also arranged in the first cavity and the second cavity;

the threshold bottom plate is also connected with a U-shaped plate, and the threshold bottom plate and the U-shaped plate are jointly surrounded to form a third cavity; the doorsill bottom plate is connected with the battery pack tray, and a protection groove is formed among the U-shaped plate, the doorsill bottom plate and the battery pack tray.

2. The vehicle sill device of claim 1, wherein the length of the first cavity is greater than the length of the second cavity.

3. The vehicle door sill device of claim 1, further comprising a rear floor and an a-pillar inner panel, the door sill mechanism being connected to the a-pillar inner panel and the rear floor by a door opening lap joint.

4. The vehicle door sill device of claim 3, wherein the door opening overlap includes a front door opening trim, a B-pillar inner lower panel, and a rear door opening trim, the front door opening trim and the rear door opening trim are connected to respective sides of the B-pillar inner lower panel, the front door opening trim, the rear door opening trim and the B-pillar inner lower panel are all connected to the door sill mechanism through SPR, the door sill mechanism is connected to the A-pillar inner panel through the front door opening trim, and the door sill mechanism is connected to the rear floor through the rear door opening trim.

5. The vehicle door sill device of claim 1, further comprising a front floor panel, wherein the first end of the upper reinforcement cross panel extends outwardly of the second cavity to form a ledge, the ledge being coupled to the front floor panel by SPR, the ledge being disposed parallel to the front floor panel and spaced from the outer side panel of the door sill.

6. The vehicle sill device of claim 1, wherein the sill pan is connected to the battery pack tray by a nut plate assembly;

the nut plate assembly is arranged in the second cavity and comprises a nut plate, a rivet and a bolt, and the nut plate is in threaded connection with the threshold bottom plate through the rivet; the nut plate is in threaded connection with the battery pack tray through the bolt.

7. The vehicle door sill device of claim 1 or 6, wherein the battery pack tray includes a tray, an outer frame reinforcement plate and an inner frame reinforcement plate, the outer frame reinforcement plate and the inner frame reinforcement plate are both connected to the tray, and the tray has a connecting portion connected to the bottom of the door sill pan, and the connecting portion is connected to the bottom of the door sill pan by a sealant.

8. The vehicle rocker apparatus of claim 1, wherein the thickness of the first end of the rocker inner panel to the second end of the rocker inner panel is uniform; the thickness from the first end of the threshold outer plate to the second end of the threshold outer plate is consistent; the U-shaped plates are consistent in thickness.

9. The vehicle rocker apparatus of claim 1, wherein the thickness of the first ends of the rocker outer panel and the rocker reinforced riser is not uniform from the second ends of the rocker outer panel and the rocker reinforced riser; the thicknesses of the first ends of the threshold bottom plate, the upper reinforcing transverse plate and the threshold reinforcing transverse plate are different from the thicknesses of the second ends of the threshold bottom plate, the upper reinforcing transverse plate and the threshold reinforcing transverse plate.

10. The vehicle door sill device of claim 1, wherein two of the door sill reinforcement cross plates are disposed in the second cavity at an interval, a first end of each of the door sill reinforcement cross plates is connected to the inner door sill panel, and a second end of each of the door sill reinforcement cross plates is connected to the outer door sill panel; the first end of the threshold reinforcing vertical plate is connected to the threshold bottom plate, and the second end of the threshold reinforcing vertical plate is connected to the threshold inner plate.

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