CN217672878U - car door sill assembly - Google Patents

Abstract

The utility model discloses an automobile door sill assembly, which at least comprises a door sill and a sill reinforcing member, the door sill comprises a sill inner plate and a sill outer plate, the door sill inner plate and the sill outer plate are enclosed to form a cavity I, the cavity The truncated shape of the chamber I in the height direction is a closed ring; the rocker reinforcement is arranged in the chamber I, and the rocker reinforcement at least divides the chamber I into two sub-chambers; The lower part prevents the deformation of the passenger compartment, protects the safety of passengers, strengthens the structural strength and absorbs the collision energy.

Description

car door sill assembly

technical field

The utility model relates to the field of auto parts, in particular to an automobile threshold assembly.

Background technique

In order to solve the mileage anxiety of pure electric vehicles and actively respond to the country's call for the development of new energy vehicles, our company has proposed a range-extended model of vehicles, which uses pure electric molds during normal use, and generates power during long-distance driving; in this way, there is a The new problem is that the curb weight of the car is heavy (up to 2200Kg-2500Kg, and the weight of a traditional car is 1500Kg); the heavier the car is, the more important it is to protect the members during the driving process.

The traditional sill reinforcement plate and the sill inner plate are connected by spot welding, and only local small reinforcements are needed inside, which can meet the 25% small offset collision of the car; due to the heavy weight of the extended-range car, this solution cannot meet the 25% small offset collision. Set touch requirements. In this patent, the sill front support plate assembly is used to connect the sill reinforcement and the sill inner panel well, so as to prevent the sill reinforcement plate from cracking during the collision process with the sill inner panel, and can better absorb energy.

Therefore, in order to solve the above problems, a vehicle door sill assembly is needed, which can well prevent the deformation of the passenger compartment under heavy weight, protect the safety of passengers, strengthen the structural strength and absorb collision energy.

Utility model content

In view of this, the purpose of this utility model is to overcome the defects in the prior art and provide a vehicle door sill assembly, which can well prevent the deformation of the passenger compartment under heavy weight, protect the safety of passengers, strengthen the structural strength and absorb collision energy.

The vehicle sill assembly of the present utility model includes at least a sill and a sill reinforcement. The sill includes an inner sill panel and an outer sill panel. The sectional shape in the height direction is a closed ring; the threshold reinforcement is arranged in the chamber I, and the threshold reinforcement at least divides the chamber I into two sub-chambers.

Further, it also includes a dash side panel, the dash side panel includes a dash side inner panel and an A-pillar lower reinforcement panel; the dash side inner panel and the A-pillar lower reinforcement panel enclose a chamber II, and the chamber The sectional shape of the chamber II in the height direction is a closed ring; the dash side panel is connected with the door sill, so that the chamber II communicates with at least one auxiliary chamber.

Further, the sectional shape of the door sill reinforcement along the height direction is in the shape of "Ji", and the top and bottom surfaces of the "Ji" shape are respectively connected with the door sill outer panel and the door sill inner panel, so that the chamber I is separated into a Sub-chamber I, sub-chamber II and sub-chamber III are arranged sequentially from top to bottom along the height direction.

Further, the cowl side panel has a connecting portion bent toward the door sill, and the door sill is connected to the connecting portion.

Further, the front reinforcement of the inner wheel house is connected to the rocker reinforcement, and the front reinforcement of the inner wheel house is supported between the cowl side inner panel and the A-pillar lower reinforcement board.

Further, the door sill reinforcement includes an upper support and a lower support connected longitudinally, the upper support is connected between the door sill outer panel and the dash side inner panel, and the lower support is connected between the door sill outer panel and the front wall side inner panel. Between the reinforcement panels under the A-pillar.

Further, the longitudinal projections of the upper support piece and the lower support piece overlap, and the upper support piece and the lower support piece are respectively arranged on both sides of the edge of the door sill outer panel in the longitudinal direction.

Further, in the longitudinal projection, the upper support member has a hypotenuse obliquely connected to the door sill inner panel and the door sill reinforcement.

Further, the sill reinforcement is adjustable connected to the sill inner panel through a connecting piece, and the sill reinforcement is fixedly connected to the sill outer panel.

Further, the upper support and the lower support are fixed on the edge of the door sill outer panel, and the upper support is adjustable connected to the door sill inner panel through the connecting piece, and the lower support is adjustable connected to the lower A-pillar through the connecting piece Reinforcing plate.

The beneficial effects of the utility model are: the vehicle door sill assembly disclosed by the utility model improves the structural strength of the door sill through the chamber I and a plurality of auxiliary chambers separating the chamber I, and meets the requirements of the collision coefficient. And more chambers can maximize the ability to absorb collisions and improve the safety of the passengers; it can prevent the deformation of the passenger compartment under heavy weight, protect the safety of passengers, strengthen the structural strength and absorb collision energy.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front structure schematic diagram of the utility model;

Fig. 3 is a schematic diagram of the back structure of the utility model;

Fig. 4 is the structural representation of the A-A direction of Fig. 2 of the utility model;

Fig. 5 is the structural representation of the B-B direction of Fig. 2 of the utility model;

Fig. 6 is a structural schematic diagram of the utility model in which the upper support is installed on the door sill reinforcement.

Detailed ways

Fig. 1 is a structural schematic diagram of the present utility model, as shown in the figure, the longitudinal direction is the thickness direction of the sill, the horizontal direction is the length direction of the sill, and the height direction is the height direction of the sill, which will not be repeated here. The automobile door sill assembly in the example at least includes a door sill and a door sill reinforcement 3. The door sill includes a door sill inner panel 1 and a door sill outer panel 2. The door sill inner panel 1 and the door sill outer panel 2 form a chamber I, and the chamber The sectional shape of the chamber I in the height direction is a closed ring; the threshold reinforcement 3 is arranged in the chamber I, and the threshold reinforcement 3 at least divides the chamber I into two sub-chambers. Through the chamber I and the multiple sub-chambers separating the chamber I, the structural strength of the threshold is improved to meet the requirements of the collision coefficient, and more chambers can maximize the ability to absorb collisions and improve the safety of drivers and passengers sex.

In this embodiment, it also includes a front wall side panel, which includes a front wall side inner panel 4 and an A-pillar lower reinforcement panel 5; Chamber II, the sectional shape of the chamber II in the height direction is a closed ring; the dash side panel is connected to the door sill, so that the chamber II communicates with at least one auxiliary chamber. The communication between the chamber II and the auxiliary chamber can transfer the collision force to each other and improve the energy absorption effect.

In this embodiment, the cowl side panel has a connecting portion bent toward the door sill, and the door sill is connected to the connecting portion. As shown in the figure, the cowl side inner panel 4 and the A-pillar lower reinforcement panel 5 are jointly bent toward the door sill, and make chamber II communicate with at least one sub-chamber, and the setting of the connecting part improves the connection between the front wall and the door sill The strength makes the chamber I and chamber II directly communicated, which further improves the force transmission effect.

In this embodiment, the sectional shape of the door sill reinforcement 3 along the height direction is in the shape of "几", and the top and bottom surfaces of the "几" are respectively connected with the door sill outer panel 2 and the door sill inner panel 1, so that Chamber I is divided into sub-chamber I7, sub-chamber II8 and sub-chamber III9 arranged in sequence from top to bottom along the height direction. As shown in the figure, the door sill reinforcement 3 in the shape of "几" makes the energy absorption effect better, and the openings of the sub-chamber I7, sub-chamber II8 and sub-chamber III9 are parallel to each other along the transverse direction, which improves the energy absorption effect. The sill reinforcement 3 is also bolted to the sill inner panel 1 and the sill outer panel 2 to improve the overall structural strength of the sill reinforcement, the sill inner panel 1 and the sill outer panel 2, improve the energy-absorbing effect, and play a role in protecting the sill. By the role of personnel protection.

In this embodiment, the door sill reinforcement 3 is connected with an inner wheel house front reinforcement, and the inner wheel house front reinforcement is supported between the cowl side inner panel 4 and the A-pillar lower reinforcement plate 5, as shown in the figure As shown, the door sill reinforcement 3 includes an upper support 61 and a lower support 62 connected longitudinally, the upper support 61 is connected between the door sill outer panel 2 and the dash side inner panel 4, and the lower support 62 is connected between the door sill outer panel 2 and the lower reinforcement panel 5 of the A-pillar.

In this embodiment, the longitudinal projections of the upper support member 61 and the lower support member 62 coincide, and the upper support member 61 and the lower support member 62 are respectively arranged on both sides of the edge of the door sill outer panel 2 in the longitudinal direction. That is to say, the upper support 61 and the lower support 62 are overlapped and connected in the longitudinal direction, and the upper support 61 and the lower support 62 are separated by the edge of the door sill outer panel 2 in the longitudinal direction, and the upper support 61 and the dash side inner panel 4 are On the same side, the lower support 62 and the A-pillar lower reinforcement plate 5 are on the same side, which improves the stability of force transmission and the effectiveness of energy absorption, and at the same time ensures the connection between the dash side inner panel 4 and the A-pillar lower reinforcement plate 5 strength and ease of connection.

In this embodiment, in the longitudinal projection, the upper support member 61 has a hypotenuse connected obliquely to the door sill inner panel 1 and the door sill reinforcement 3 . To improve the force transmission path and improve the force component effect, the sill reinforcement 3 and the sill inner panel 1 are adjustable connected through a connecting piece, the connecting piece is a bolt, and the adjustable type can be adjusted according to the force point In the installation position, the door sill reinforcement 3 is fixedly connected to the door sill outer panel 2 .

In this embodiment, the upper support 61 and the lower support 62 are fixed on the edge of the door sill outer panel 2, and the upper support 61 is adjustable connected to the door sill inner panel 1 through a connecting piece, and the lower support 62 is passed through The connecting piece is adjustable connected to the reinforcement plate 5 under the A-pillar. The connecting parts are bolts, which can adjust the matching relationship and improve the connection strength of the matching surface, so that the assembly gap can be adjusted, which is beneficial to the overall installation.

In this embodiment, the sill front support plate assembly is connected to the sill beam reinforcement by spot welding, and the sill beam reinforcement is connected to the sill inner panel 1 by bolts to ensure that the 25% small offset bumps the reinforcement plate and the inner panel "cut" ; The sill inner panel 1 reinforcement Ⅱ and the sill reinforcement plate add leakage ribs on the bonding surface, which can ensure the parts are fully electrophoresed; The plate and the sill inner plate 1 are divided into three cavities, which have a good supporting effect on collision deformation, ensure the safety of the occupants, and prevent the deformation of the occupant compartment.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. An automobile threshold assembly which characterized in that: the structure at least comprises a threshold and a threshold reinforcing piece, wherein the threshold comprises a threshold inner plate and a threshold outer plate, the threshold inner plate and the threshold outer plate are encircled to form a chamber I, and the section of the chamber I in the height direction is in a closed ring shape; the threshold reinforcing part is arranged in the chamber I, and at least divides the chamber I into two auxiliary chambers.

2. An automotive rocker assembly as set forth in claim 1, wherein: the front wall side plate comprises a front wall side inner plate and an A-pillar lower reinforcing plate; the front wall side inner plate and the A column lower reinforcing plate surround to form a cavity II, and the section of the cavity II in the height direction is in a closed ring shape; the front wall side plate is connected with the threshold, so that the cavity II is communicated with at least one auxiliary cavity.

3. An automotive rocker assembly as set forth in claim 2, wherein: the cross section of the threshold reinforcement along the height direction is in a shape like a Chinese character 'ji', the top surface and the bottom surface of the shape like the Chinese character 'ji' are respectively and correspondingly connected with the threshold outer plate and the threshold inner plate, so that the cavity I is divided into an auxiliary cavity I, an auxiliary cavity II and an auxiliary cavity III which are sequentially arranged from top to bottom along the height direction.

4. An automotive rocker assembly as set forth in claim 3, wherein: the front wall side plate is provided with a connecting portion bent towards the threshold, and the threshold is connected to the connecting portion.

5. An automotive rocker assembly as set forth in claim 4, wherein: the front reinforcing piece of the inner wheel cover is connected to the threshold reinforcing piece, and the front reinforcing piece of the inner wheel cover is supported between the front wall side inner plate and the A column lower reinforcing plate.

6. An automotive rocker assembly as set forth in claim 5, wherein: the doorsill reinforcement comprises an upper support part and a lower support part which are longitudinally connected, the upper support part is connected between the doorsill outer plate and the front wall side inner plate, and the lower support part is connected between the doorsill outer plate and the A-pillar lower reinforcement plate.

7. An automotive rocker assembly as set forth in claim 6, wherein: the upper supporting piece and the lower supporting piece are overlapped in longitudinal projection, and the upper supporting piece and the lower supporting piece are respectively arranged on two longitudinal sides of the edge of the outer plate of the doorsill.

8. An automobile rocker assembly as set forth in claim 7, wherein: the upper support member has a hypotenuse obliquely connected to the inner sill panel and the sill reinforcement in longitudinal projection.

9. An automotive rocker assembly as set forth in claim 8, wherein: the doorsill reinforcing piece and the doorsill inner plate are connected in an adjustable mode through the connecting piece, and the doorsill reinforcing piece and the doorsill outer plate are fixedly connected.

10. An automotive rocker assembly as set forth in claim 9, wherein: the upper supporting piece and the lower supporting piece are fixed on the edge of the doorsill outer plate, the upper supporting piece is connected to the doorsill inner plate in an adjustable mode through a connecting piece, and the lower supporting piece is connected to the lower reinforcing plate of the A column in an adjustable mode through the connecting piece.

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