CN215245118U - A post and lower threshold installation component and vehicle - Google Patents

Abstract

The utility model discloses a A post and lower threshold installation component and vehicle, A post includes with lower threshold installation component: the lower reinforcing plate of the A column is arranged on the inner side of the lower reinforcing plate of the A column; the side wall sill beam is arranged on the inner side of the lower section reinforcing plate of the A column, and the threshold beam front plugging plate is arranged on the inner side of the side wall sill beam; wherein the lower extreme of A post hypomere reinforcing plate is less than the upper end of side wall threshold roof beam, and is formed with along Y to the first welding position of welding in proper order between the lower extreme of A post hypomere reinforcing plate, A post hypomere reinforcing plate and side wall threshold roof beam, and the lower extreme of A post hypomere reinforcing plate is less than the upper end of the preceding closure plate of threshold roof beam, and is formed with along Y to the second welding position of welding in proper order between the lower extreme of A post hypomere reinforcing plate, side wall threshold roof beam and the preceding closure plate of threshold roof beam. The utility model discloses A post and lower threshold installation component through increasing panel beating cooperation overlap joint volume to improve the joint strength of welding department.

Description

A post and lower threshold installation component and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle manufacturing technique and specifically relates to a A post and lower threshold installation component and have this A post and lower threshold installation component's vehicle.

Background

The intersection area of the A column and the lower threshold is positioned at the lower corner part of the front door opening of the vehicle body, and has multiple functions of bearing force, transferring force, sealing, protecting leg space of a driver and the like. At present, the intersection area of the A pillar and the lower doorsill consists of a lower reinforcing plate of the A pillar, a side wall doorsill beam and a side wall doorsill beam reinforcing plate.

Wherein, in prior art, A post hypomere reinforcing plate adopts approximate "type of falling L" welding parting structure with side wall threshold roof beam, and hinge mounting point rigidity under the A post hypomere reinforcing plate reinforcement door does not have the cooperation relation with side wall threshold roof beam, and side wall threshold roof beam reinforcing plate can only play the effect of reinforcement threshold cavity in intersection region department, and produced enhancement effect is general, leads to A post hypomere reinforcing plate and side wall threshold roof beam cooperation regional intensity weak, exists the space of improving.

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, an object of the utility model is to provide a A post and lower threshold installation component do benefit to the joint strength who improves intersection region department, reduce the collision and warp, have improved the security of driver's cabin.

According to the utility model discloses A post and lower threshold installation component, include: the lower reinforcing plate of the A column is arranged on the inner side of the lower reinforcing plate of the A column; the side wall sill beam is arranged on the inner side of the lower section reinforcing plate of the A column, and the threshold beam front plugging plate is arranged on the inner side of the side wall sill beam; wherein the lower extreme of A post hypomere reinforcing plate is less than the upper end of side wall threshold roof beam, just the lower extreme of A post hypomere reinforcing plate the A post hypomere reinforcing plate with be formed with between the side wall threshold roof beam along Y to the first welding position of welded in proper order, the lower extreme of A post hypomere reinforcing plate is less than the upper end of the preceding closure plate of threshold roof beam, just the lower extreme of A post hypomere reinforcing plate the side wall threshold roof beam with be formed with between the preceding closure plate of threshold roof beam along Y to the second welding position of welded in proper order.

According to the utility model discloses A post and lower threshold installation component, A post hypomere reinforcing plate and side wall threshold roof beam weld in proper order and the three can play the effect of strengthening mutually, and simultaneously, the lower extreme of A post hypomere reinforcing plate, the preceding closure plate of side wall threshold roof beam and threshold roof beam welds in proper order and the three also can play the effect of strengthening mutually, therefore, greatly improve the joint strength of intersection region department, reduce the collision deformation, thereby effectively improved the stability of automobile body skeleton, the safety of driver's cabin has been guaranteed.

According to the utility model discloses A post and lower threshold installation component, the front end of the preceding closure plate of threshold roof beam protrusion forward in the front end of side wall threshold roof beam, the front end of side wall threshold roof beam with the closure plate overlap joint just is in before the threshold roof beam the front end border department of side wall threshold roof beam is formed with first overlap joint parting.

According to the utility model discloses A post and lower threshold installation component, the lower extreme of A post hypomere stiffening plate is less than the lower extreme of A post hypomere stiffening plate, just the lower extreme of A post hypomere stiffening plate with side wall threshold roof beam overlap joint just is in the lower extreme border department of A post hypomere stiffening plate is formed with the second overlap joint parting of "U type", first overlap joint parting with second overlap joint parting is spaced apart along the fore-and-aft direction.

According to the utility model discloses A post and lower threshold installation component, A post hypomere stiffening plate the preceding closure plate of threshold roof beam with side wall threshold roof beam all with the lower extreme overlap joint of A post hypomere stiffening plate, just the lower extreme border department of A post hypomere stiffening plate is formed with the third overlap joint parting of "notch cuttype", first overlap joint parting with second overlap joint parting all with third overlap joint parting meets.

According to the utility model discloses A post and lower threshold installation component, the "U type" of second overlap joint parting is open up, the upper end of second overlap joint parting with third overlap joint parting meets and is formed with the annular overlap joint parting of "closed rectangle".

According to the utility model discloses A post and lower threshold installation component, vertical extension is followed to first overlap joint parting, the upper end of first overlap joint parting with third overlap joint parting meets, just first overlap joint parting with the interval of second overlap joint parting front end is L, satisfies: l is more than or equal to 4.5mm and less than or equal to 5.5 mm.

According to the utility model discloses A post and lower threshold installation component, side wall threshold roof beam includes along Z to spaced apart last load board and lower load board, the closure plate has before the threshold roof beam is located the shutoff part of side wall threshold roof beam front end, the upside of shutoff part with go up the load board overlap joint, the downside of shutoff part with load board overlap joint down, down the load board with it prescribes a limit to the threshold chamber to go up between the load board.

According to the utility model discloses A post and lower threshold installation component, A post hypomere reinforcing plate has and is located the X of side wall threshold roof beam front end is to load part, go up the load board with the upside of shutoff part all with X is to load part overlap joint.

According to the installation component of the A column and the lower doorsill, the upper bearing plate is in an L shape and comprises a main plate extending along the X direction and a side plate extending along the Z direction, the side plate is connected with the front end of the main plate and extends upwards, and an extension plate is formed on the upper side of the plugging part; the extension plate is attached to the lower surface of the main plate, the front surface of the side plate and the front side surface of the blocking portion are both attached to the rear side surface of the X-direction bearing portion, and a T-shaped bearing structure is formed integrally.

The utility model also provides a vehicle.

According to the utility model discloses the vehicle, be provided with any kind of above-mentioned embodiment A post and lower threshold installation component.

The vehicle and the a-pillar and lower sill mounting assembly have the same advantages over the prior art and are not described in detail herein.

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 an assembly view of an A-pillar and lower sill mounting assembly and a vehicle body in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 2;

fig. 4 is an assembly view (inside cavity) of the a-pillar and lower rocker mounting assembly and body according to an embodiment of the present invention;

fig. 5 is a partial enlarged view at C in fig. 4;

fig. 6 is a cross-sectional view at D-D in fig. 5.

Reference numerals:

the a-pillar and lower sill mounting assembly 100,

a lower reinforcing plate 1 of the A column, a lower reinforcing plate 2 of the A column,

a side sill beam 3, an upper bearing plate 31, a main plate 311, a side plate 312, a lower bearing plate 32,

the rocker front closure 4, the closure portion 41, the extension panel 411, the fold-over panel 412,

a first welding position 51, a second welding position 52, a first lap joint 61, a second lap joint 62, a third lap joint 63, a threshold cavity 71, an A-pillar cavity 72,

a vehicle body 1000.

Detailed Description

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

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

An a-pillar and lower sill mounting assembly 100 in accordance with an embodiment of the present invention is described below with reference to fig. 1-6.

As shown in fig. 3, the a-pillar and lower sill mounting assembly 100 of the embodiment of the present invention includes: the structure comprises a lower reinforcing plate 1 of the A pillar, a lower reinforcing plate 2 of the A pillar, a side wall sill beam 3 and a sill beam front blocking plate 4.

As shown in fig. 1, the a-pillar and lower rocker mounting assembly 100 is located at a corner of a front door opening of the vehicle body 1000, and generally has a plurality of functions such as force bearing, force transmission, sealing, and leg space protection for a driver.

The lower reinforcing plate 1 of the a pillar is installed on the inner side of the lower reinforcing plate 2 of the a pillar, wherein, as shown in fig. 3, the lower reinforcing plate 1 of the a pillar is configured as a multi-stage stepped plate structure with the lower end at least partially protruding outwards, and the lower reinforcing plate 2 of the a pillar is configured as a multi-stage stepped plate structure with the lower end recessed inwards, the lower end of the lower reinforcing plate 1 of the a pillar is suitable for being attached to the inner side of the lower reinforcing plate 2 of the a pillar, so as to install the lower reinforcing plate 1 of the a pillar on the inner side of the lower reinforcing plate 2 of the a pillar, and to enable the upper ends of the lower reinforcing plate 1 of the a pillar and the lower reinforcing plate 2 of the a pillar to be spaced apart, so as to form an outer collapsing cavity, and the outer collapsing cavity is suitable for collapsing and deforming when the a pillar and the lower doorsill installation assembly 100 are impacted, so as to absorb the external impact force, thereby reducing the impact on the lower reinforcing plate 1 of the a pillar.

The side wall threshold beam 3 is arranged on the inner side of the lower section reinforcing plate 1 of the A column, the threshold beam front blocking plate 4 is arranged on the inner side of the side wall threshold beam 3, as shown in figure 3, the upper end of the side wall threshold beam 3 is of a plate-shaped structure which inclines from outside to inside, the lower end of the side wall threshold beam 3 is of a multi-section stepped plate-shaped structure which is recessed from outside to inside, and the middle of the side wall threshold beam 3 is suitable for being attached to the inner side of the lower section reinforcing plate 1 of the A column, so that the side wall threshold beam 3 is arranged on the inner side of the lower section reinforcing plate 1 of the A column, the upper end of the side wall threshold beam 3 is spaced from the upper end of the lower section reinforcing plate 1 of the A column, an inner crumpling cavity is formed, external impact force is absorbed, and impact on the side wall threshold beam 3 is reduced. Meanwhile, the threshold beam front plugging plate 4 is of a multi-section stepped plate-shaped structure which is sunken from outside to inside, as shown in fig. 3, the threshold beam front plugging plate 4 is designed to be matched with the lower end area of the side wall threshold beam 3 in shape, so that the threshold beam front plugging plate 4 is suitable for being attached to the inner side of the lower end of the side wall threshold beam 3, the threshold beam front plugging plate and the side wall threshold beam 3 are large in attachment area, the connection strength of the side wall threshold beam 3 and the side wall threshold beam 3 is improved, and the deformation resistance of the A column and the lower threshold mounting assembly 100 is improved.

Wherein the lower end of the lower A-pillar reinforcing plate 2 is lower than the upper end of the side sill beam 3, and first welding positions 51 which are welded in sequence along the Y direction are formed among the lower end of the lower A-pillar reinforcing plate 2, the lower A-pillar reinforcing plate 1 and the side sill beam 3. That is to say, the lower extreme of A post hypomere reinforcing plate 2, A post hypomere reinforcing plate 1 and side wall threshold roof beam 3 pile together in proper order, through setting up first welding position 51, along Y to with A post hypomere reinforcing plate 2, A post hypomere reinforcing plate 1 and side wall threshold roof beam 3 welded fastening together, thereby make A post hypomere reinforcing plate 2, A post hypomere reinforcing plate 1 and side wall threshold roof beam 3 can play the connection enhancement of each other, support the effect of transmission, and compare in prior art A post hypomere reinforcing plate 1 and the design that side wall threshold roof beam 3 was spaced apart completely, the structural strength of this application in first welding position 51 department is bigger, especially, do benefit to and carry out the transmission of the impact between A post hypomere reinforcing plate 1 and side wall threshold roof beam 3, thereby improve the overall strength of A post and lower threshold installation component 100.

The lower end of the lower A-pillar reinforcing plate 1 is lower than the upper end of the threshold beam front blocking plate 4, and second welding positions 52 which are sequentially welded along the Y direction are formed among the lower end of the lower A-pillar reinforcing plate 1, the side wall threshold beam 3 and the threshold beam front blocking plate 4. That is to say, the lower extreme of A post hypomere stiffening plate 1, the upper end of stifled board 4 is in proper order piled up together before side wall threshold roof beam 3 and the threshold roof beam, through setting up second welding position 52, in order to be in the same place A post hypomere stiffening plate 1 along Y direction, stifled board 4 welded fastening before side wall threshold roof beam 3 and the threshold roof beam, thereby make A post hypomere stiffening plate 1, side wall threshold roof beam 3 and the threshold roof beam stifled board 4 can play the connection each other and strengthen, support the effect of transmission, and compare in prior art the design that A post hypomere stiffening plate 1 and threshold roof beam are spaced apart completely, the structural strength of this application in second welding position 52 department is bigger, especially, do benefit to and realize the force transmission between A post hypomere stiffening plate 1, side wall threshold roof beam 3 and the threshold roof beam front stifled board 4 at the collision in-process, improve the overall strength of A post and lower threshold installation component 100.

It should be noted that, by the above-mentioned structural arrangement, an outer collapsing cavity and an inner collapsing cavity sequentially arranged along the Y direction can be formed, so that when the a pillar and the lower sill mounting assembly 100 is impacted by the outside, the external impact force is absorbed by the plurality of collapsing cavities, so as to reduce the impact on the upper end of the side sill 3, and the impact resistance of the lower end of the side sill 3 is improved by attaching the front sill 4 to the inner side of the lower end of the side sill 3, and at the same time, the first welding position 51 and the second welding position 52 are welded and fixed, so as to realize the interconnected support of the side sill 3, the front sill 4, the lower a pillar reinforcement 1 and the lower a pillar reinforcement 2, when the vehicle body 1000 is acted by the Y direction force, the structural strength of the welding area is sufficiently improved by the connection and reinforcement of the first welding position 51 and the second welding position 52, the problem of metal plate cracking caused by insufficient strength of a single welding position is avoided, the Y-direction bearing capacity of the A column and the lower threshold mounting component 100 is improved, and the overall strength of the A column and the lower threshold mounting component 100 is guaranteed.

The utility model discloses A post and lower threshold installation component 100 for A post hypomere reinforcing plate 2, A post hypomere reinforcing plate 1 and side wall threshold roof beam 3 weld in proper order and the three can play the effect of strengthening mutually, and simultaneously, the lower extreme of A post hypomere reinforcing plate 1, the preceding closure plate 4 of side wall threshold roof beam 3 and threshold roof beam welds in proper order and the three also can play the effect of strengthening mutually, therefore, greatly improve the joint strength of intersection region department, reduce collision deformation, in order when automobile body 1000 receives external impact, the security of driver's cabin has been improved greatly.

In some embodiments, the front end of the rocker front closure 4 protrudes forward beyond the front end of the side sill 3, the front end of the side sill 3 overlaps the rocker front closure 4 and a first overlap joint 61 is formed at the front end edge of the side sill 3. That is, in the concrete structural design, as shown in fig. 5, the front end of the rocker front closure 4 protrudes upward from the rocker 3 in the X direction to form a protective structure at the front end of the rocker 3, so that the rocker front closure 4 can protect the rocker 3 before the rocker 3 is stressed when the front region of the vehicle is stressed.

Meanwhile, it should be noted that, as shown in fig. 6, the side sill 3 is formed with a sill cavity 71, and the front blocking plate 4 of the sill in the present application is located at the front end of the sill cavity 71 and can block the sill cavity 71, so that the inner side (rear) and the outer side (front) of the sill cavity 71 can be spaced apart, and the first lap joint parting line 61 welds and fixes the front blocking plate 4 of the sill and the side sill 3, thereby ensuring the sealing property of the sill cavity 71 and preventing external impurities from entering the sill cavity 71 during the driving of the vehicle.

In some embodiments, the lower end of the lower a-pillar stiffener 1 is lower than the lower a-pillar stiffener 2, the lower end of the lower a-pillar stiffener 1 overlaps the side sill 3, and a "U-shaped" second overlapping joint 62 is formed at the lower end edge of the lower a-pillar stiffener 1, and the first overlapping joint 61 and the second overlapping joint 62 are spaced apart in the front-rear direction. Through the arrangement, the lap joint area of the lower section reinforcing plate 1 of the A column and the side wall threshold beam 3 is increased, the connection strength of the lower section reinforcing plate 1 of the A column and the side wall threshold beam 3 is improved, and the whole connection strength of the A column and the lower threshold mounting assembly 100 is ensured.

In some embodiments, the lower a-pillar stiffener 1, the rocker front bulkhead 4, and the side sill 3 are all overlapped with the lower end of the lower a-pillar stiffener 2, and a third overlapping joint 63 of a "step type" is formed at the lower end edge of the lower a-pillar stiffener 2, and the first overlapping joint 61 and the second overlapping joint 62 are all connected to the third overlapping joint 63.

That is to say, as shown in fig. 3, the a-pillar lower-section reinforcing plate 2 is welded to the side-wall threshold beam 3, the a-pillar lower-section reinforcing plate 1 and the threshold beam front blocking plate 4 in sequence along the third overlapping parting joint 63, and the third overlapping parting joint 63 is constructed into a stepped structure which gradually protrudes downwards from back to front, so that the a-pillar lower-section reinforcing plate 2 has a larger overlapping area with the side-wall threshold beam 3, the a-pillar lower-section reinforcing plate 1 and the threshold beam front blocking plate 4, and the overall connection strength of the a-pillar and the lower threshold mounting assembly 100 is improved.

In some embodiments, the "U" shape of the second overlapping seam 62 is upwardly open, and the upper end of the second overlapping seam 62 meets the third overlapping seam 63 and forms an annular overlapping seam that is a "closed rectangle".

It should be noted that the first welding position 51 is disposed at the joint of the third overlapping parting 63 and the a-pillar lower-section reinforcing plate 1 to connect the a-pillar lower-section reinforcing plate 1 and the a-pillar lower-section reinforcing plate 2, and the second welding position 52 is disposed at the bottom of the U-shaped structure of the second overlapping parting 62 to connect the a-pillar lower-section reinforcing plate 1 and the side sill beam 3. That is to say, through linking to each other the upper end with second overlap joint parting 62 with third overlap joint parting 63 to construct annular overlap joint parting, and the upper and lower both sides of annular overlap joint parting all are equipped with the welding position, thereby guaranteed the lapped stability of panel beating, avoided A post hypomere stiffening plate 1 the condition of turn-ups phenomenon to appear, effectively improved A post and threshold installation component 100's bulk joint intensity down.

In some embodiments, as shown in fig. 2, the first lap seam 61 extends vertically to form a welded seal with the rocker front bulkhead 4 at the front end of the side sill beam 3 to facilitate improved sealing of the rocker cavity 71. And the upper end of first overlap joint parting 61 meets with third overlap joint parting 63, and the interval of first overlap joint parting 61 and second overlap joint parting 62 front end is L, satisfies: l is more than or equal to 4.5mm and less than or equal to 5.5 mm. That is to say, the interval of first overlap joint parting 61 and second overlap joint parting 62 front end can be taken for L and be 4.7mm, or 5.0mm, or 5.2mm again, through setting up first overlap joint parting 61 and second overlap joint parting 62 interval to avoid first overlap joint parting 61 and second overlap joint parting 62 to produce direct interference, promoted the crisscross overlap joint regional deburring blade electrophoresis sufficiency of three-layer panel beating.

In some embodiments, the side sill 3 includes an upper bearing plate 31 and a lower bearing plate 32 spaced apart in the Z-direction, the sill front closure 4 has a blocking portion 41 at the front end of the side sill 3, the upper side of the blocking portion 41 overlaps the upper bearing plate 31, the lower side of the blocking portion 41 overlaps the lower bearing plate 32, and a sill cavity 71 is defined between the lower bearing plate 32 and the upper bearing plate 31.

That is, as shown in fig. 4 and 5, the a-pillar lower reinforcement panel 1 extends in the Z direction and is attached to the inner side of the a-pillar lower reinforcement panel 2 to improve the structural strength of the a-pillar lower reinforcement panel 2, and the rear side of the rocker front plug 4 is attached to the front side of the side sill 3, thereby improving the overall connection strength between the a-pillar and the lower rocker mounting assembly 100.

As shown in fig. 6, the lower side of the rear portion of the plugging portion 41 is overlapped with the lower force-bearing plate 32, and the upper side of the rear portion of the plugging portion 41 is overlapped with the upper force-bearing plate 31, so as to jointly define a threshold cavity 71, meanwhile, the front side of the plugging portion 41 is connected with the lower-section reinforcing plate 2 of the a column, the rear side of the lower-section reinforcing plate 2 of the a column is connected with the lower-section reinforcing plate 1 of the a column, the lower-section reinforcing plate 1 of the a column and the upper force-bearing plate 31 construct an a column cavity 72, when the a column and the lower threshold mounting assembly 100 are impacted by the outside, the a column cavity 72 and the threshold cavity 71 are suitable for being collapsed together to absorb the outside impact force, and thus the stability of the whole of the a column and the lower threshold mounting assembly 100 is ensured.

In some embodiments, the a-pillar lower gusset 2 has an X-direction bearing portion at the front end of the side sill beam 3, and the upper bearing plate 31 and the upper side of the blocking portion 41 overlap the X-direction bearing portion. It should be noted that, as shown in fig. 6, the a-pillar lower reinforcement panel 1 extends from the top to the middle position of the front side of the rocker front closure panel 4, and is welded in the X direction to fix the a-pillar lower reinforcement panel 1 to the rocker front closure panel 4, so as to improve the resistance of the rocker front closure panel 4 against X-direction deformation.

In some embodiments, the upper bearing plate 31 is configured as an "L" and includes a main plate 311 extending along the X direction and a side plate 312 extending along the Z direction, the side plate 312 is connected to the front end of the main plate 311 and extends upward, an extension plate 411 is formed on the upper side of the blocking portion 41, wherein the extension plate 411 is attached to the lower surface of the main plate 311, the front surface of the side plate 312 and the front side of the blocking portion 41 are both attached to the rear side of the X direction bearing portion, and an overall "T" bearing structure is formed.

It should be noted that an extension plate 411 is arranged on the upper side of the rear portion of the blocking portion 41, and a folded plate 412 is connected to the lower side of the rear portion of the blocking portion 41, so that the blocking portion 41 is constructed into a U-shaped structure which is open towards the rear, the lower surface of the folded plate 412 is connected with the upper surface of the lower bearing plate 32, and the upper surface of the extension plate 411 is attached to the lower surface of the main plate 311, so that the doorsill cavity 71 is effectively closed, the lower sealing performance of the a column is improved, and the metal plate rust resistance of the semi-dry area is enhanced. Wherein, the joints of the plugging part 41 and the upper bearing plate 31 and the lower bearing plate 32 are all welded in the Z direction.

It can be understood that, after the upper bearing plate 31 and the extension plate 411 are welded to the lower surface of the main plate 311, the front surface of the side plate 312 abuts against the rear side surface of the lower-section reinforcing plate 2 of the a pillar, and is fixed by welding in the X direction, so that the front surface of the side plate 312 and the front side surface of the plugging portion 41 both abut against the lower-section reinforcing plate 2 of the a pillar, and thus a bearing structure which is integrally T-shaped is constructed, so as to realize simultaneous bearing in the X direction and the Z direction, when the a pillar and the lower rocker mounting assembly 100 are subjected to 25% offset collision, the collision intrusion amount can be effectively relieved, the serious problem of crumple deformation in the sheet metal area of the cab is improved, and the driving safety is improved.

The utility model also provides a vehicle.

According to the utility model discloses vehicle is provided with the A post of any one above-mentioned and lower threshold installation component 100. Through adopting notch cuttype overlap joint parting and closed rectangle overlap joint parting integrated configuration, the regional joint strength of welding cooperation and the 1000 skeleton security of automobile body have been improved, adopt "T type" load structure in order effectively to have realized whole car X to with Z to the load effect simultaneously, when automobile body 1000 runs into 25% little overlapping collision, can effectively alleviate the collision invasion volume, the regional severe problem that contracts of ulcerate of driver's cabin panel beating has been deformed, promote driving safety, thereby improve the use experience of whole car, improve the brand image.

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

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

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

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

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

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

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

Claims (10)

1. An A-pillar to lower sill mounting assembly (100) comprising:

the reinforcing plate comprises an A-column lower section reinforcing plate (1) and an A-column lower section reinforcing plate (2), wherein the A-column lower section reinforcing plate (1) is installed on the inner side of the A-column lower section reinforcing plate (2);

the side wall sill beam (3) is installed on the inner side of the lower section stiffening plate (1) of the A column, and the threshold beam front plugging plate (4) is installed on the inner side of the side wall sill beam (3); wherein

The lower extreme of A post hypomere reinforcing plate (2) is less than the upper end of side wall threshold roof beam (3), just the lower extreme of A post hypomere reinforcing plate (2) A post hypomere reinforcing plate (1) with be formed with between side wall threshold roof beam (3) along Y to welded first welding position (51) in proper order, the lower extreme of A post hypomere reinforcing plate (1) is less than the upper end of closure plate (4) before the threshold roof beam, just the lower extreme of A post hypomere reinforcing plate (1) side wall threshold roof beam (3) with be formed with between closure plate (4) before the threshold roof beam along Y to welded second welding position (52) in proper order.

2. The a-pillar and lower sill mounting assembly (100) of claim 1 wherein the front end of the threshold sill front bulkhead (4) projects forwardly beyond the front end of the side sill beam (3), the front end of the side sill beam (3) overlaps the threshold sill beam front bulkhead (4) and a first overlap joint (61) is formed at the front end edge of the side sill beam (3).

3. The A-pillar and lower sill mounting assembly (100) according to claim 2, wherein the lower end of the A-pillar lower reinforcement panel (1) is lower than the lower end of the A-pillar lower reinforcement panel (2), the lower end of the A-pillar lower reinforcement panel (1) overlaps the side sill beam (3) and a second overlapping joint (62) of a "U-shape" is formed at the lower end edge of the A-pillar lower reinforcement panel (1), and the first overlapping joint (61) and the second overlapping joint (62) are spaced apart in the front-rear direction.

4. The A-pillar and lower sill mounting assembly (100) of claim 3, wherein the A-pillar lower section reinforcing plate (1), the sill beam front blocking plate (4) and the side sill beam (3) are all in lap joint with the lower end of the A-pillar lower section reinforcing plate (2), and the lower end edge of the A-pillar lower section reinforcing plate (2) is formed with a third lap joint parting joint (63) of a step type, and the first lap joint parting joint (61) and the second lap joint parting joint (62) are all in lap joint with the third lap joint parting joint (63).

5. The A-pillar and lower sill mounting assembly (100) of claim 4, characterized in that the "U" shape of the second overlapping seam (62) is upwardly open, the upper end of the second overlapping seam (62) meets the third overlapping seam (63) and forms a "closed rectangular" annular overlapping seam.

6. The A-pillar to lower sill mounting assembly (100) of claim 4 wherein the first overlapping seam (61) extends vertically, the upper end of the first overlapping seam (61) meets the third overlapping seam (63), and the first overlapping seam (61) is spaced from the forward end of the second overlapping seam (62) by a distance L, such that: l is more than or equal to 4.5mm and less than or equal to 5.5 mm.

7. The a-pillar and lower rocker mounting assembly (100) according to any one of claims 1-6, wherein the side sill beam (3) includes an upper force-bearing plate (31) and a lower force-bearing plate (32) spaced apart in the Z-direction, the rocker beam front closure plate (4) has a blocking portion (41) at a front end of the side sill beam (3), an upper side of the blocking portion (41) overlaps the upper force-bearing plate (31), a lower side of the blocking portion (41) overlaps the lower force-bearing plate (32), and a rocker cavity (71) is defined between the lower force-bearing plate (32) and the upper force-bearing plate (31).

8. The a-pillar and lower sill mounting assembly (100) of claim 7 wherein the a-pillar lower reinforcement panel (2) has an X-direction force bearing portion at the front end of the side sill beam (3), the upper force bearing panel (31) and the upper side of the blocking portion (41) both overlapping the X-direction force bearing portion.

9. The a-pillar and lower-sill mounting assembly (100) according to claim 8, wherein the upper bearing plate (31) is configured in an "L-shape" and includes a main plate (311) extending in an X-direction and a side plate (312) extending in a Z-direction, the side plate (312) is connected to a front end of the main plate (311) and extends upward, and an extension plate (411) is formed on an upper side of the blocking portion (41); wherein

The extension plate (411) is attached to the lower surface of the main plate (311), the front surface of the side plate (312) and the front side surface of the blocking portion (41) are attached to the rear side surface of the X-direction force bearing portion, and a T-shaped force bearing structure is formed integrally.

10. A vehicle, characterized in that an a-pillar and rocker mounting assembly (100) according to any one of claims 1-9 is provided.

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