CN217672878U

CN217672878U - Automobile threshold assembly

Info

Publication number: CN217672878U
Application number: CN202221345328.3U
Authority: CN
Inventors: 程建勇; 赵炜; 杨军; 杨英鹏; 熊建华; 王猛
Original assignee: Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
Current assignee: Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses an automobile doorsill assembly, at least comprising a doorsill and a doorsill reinforcing piece, wherein the doorsill comprises a doorsill inner plate and a doorsill outer plate, the doorsill inner plate and the doorsill outer plate surround to form a cavity I, and the section of the cavity I in the height direction is in a closed ring shape; the threshold reinforcing piece is arranged in the chamber I, and at least divides the chamber I into two auxiliary chambers; the deformation of the passenger compartment can be well prevented under heavy weight, the safety of passengers is protected, the structural strength is enhanced, and the collision energy is absorbed.

Description

Automobile threshold assembly

Technical Field

The utility model relates to an automobile parts field, concretely relates to automobile threshold assembly.

Background

In order to solve the problem of mileage anxiety of a pure electric vehicle and actively respond to the national call for developing new energy vehicles, the inventor proposes an extended-range vehicle, uses a pure electric mold in the normal use process, and generates electricity to drive in the long-distance driving process; thus, a new problem exists, the weight of the vehicle is heavy (reaching 2200Kg-2500Kg, and the weight of the traditional vehicle is 1500 Kg); the heavier the automobile is, the more important the protection of the passengers is in the driving process of the automobile.

The traditional threshold reinforcing plate is connected with the threshold inner plate through spot welding, and only local small reinforcing parts are needed inside the traditional threshold reinforcing plate, so that 25% of small offset collision of an automobile can be met; due to the fact that the range-extending automobile is heavy, the scheme cannot meet the requirement of 25% of small offset collision. This patent is through backup pad assembly before the threshold, fine connection threshold reinforcement and threshold inner panel, prevents that threshold reinforcing panel and threshold inner panel from colliding the in-process, the fracture to the better absorbed energy of ability.

Therefore, in order to solve the above problems, there is a need for an automobile threshold assembly that can prevent deformation of a passenger compartment, protect passengers, reinforce structural strength, and absorb collision energy well under heavy weight.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide automobile threshold assembly, can be fine prevent passenger cabin deformation under heavy weight, protect passenger's safety, strengthen structural strength and absorb collision energy.

The utility model discloses an automobile doorsill assembly, at least including threshold and threshold reinforcement, the threshold includes threshold inner panel and threshold planking, the enclosure of threshold inner panel and threshold planking forms cavity I, the shape of cutting of cavity I in the direction of height is closed cyclic form; the threshold reinforcing part is arranged in the chamber I, and at least divides the chamber I into two auxiliary chambers.

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.

Furthermore, the cross section of the doorsill reinforcement along the height direction is in a shape like a Chinese character 'ji', and the top surface and the bottom surface of the shape like the Chinese character 'ji' are correspondingly connected with the doorsill outer plate and the doorsill inner plate respectively, so that the chamber I is separated into an auxiliary chamber I, an auxiliary chamber II and an auxiliary chamber III which are sequentially arranged from top to bottom along the height direction.

Further, the front wall side plate is provided with a connecting portion bent towards the threshold, and the threshold is connected to the connecting portion.

Furthermore, the threshold reinforcement is connected with an inner wheel cover front reinforcement, and the inner wheel cover front reinforcement is supported between the front wall side inner plate and the A-pillar lower reinforcement.

Further, the doorsill reinforcement comprises an upper support part and a lower support part which are connected in the longitudinal direction, 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.

Furthermore, the upper supporting piece and the lower supporting piece are overlapped in the longitudinal projection, and the upper supporting piece and the lower supporting piece are respectively arranged on the two longitudinal sides of the edge of the outer plate of the threshold.

Furthermore, the upper support member has a bevel edge obliquely connected to the inner sill plate and the sill reinforcement in longitudinal projection.

Furthermore, the threshold reinforcing piece and the threshold inner plate are connected in an adjustable mode through a connecting piece, and the threshold reinforcing piece and the threshold outer plate are fixedly connected.

Furthermore, 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 A-pillar lower reinforcing plate in an adjustable mode through a connecting piece.

The utility model has the advantages that: the utility model discloses an automobile doorsill assembly, through cavity I and a plurality of auxiliary chambers that separate cavity I, make the structural strength who has improved the doorsill, satisfy the collision coefficient requirement, and more cavities can furthest's absorption collision ability, improve driver and crew's security; the deformation of the passenger compartment can be well prevented under heavy weight, the safety of passengers is protected, the structural strength is enhanced, and the collision energy is absorbed.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the back structure of the present invention;

FIG. 4 isbase:Sub>A schematic view of the structure of FIG. 2 in the direction A-A according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 2 in the direction B-B according to the present invention;

fig. 6 is a schematic structural view of the upper support member of the present invention installed on the doorsill reinforcement.

Detailed Description

Fig. 1 is a schematic structural view of the present invention, as shown in the drawing, the longitudinal direction is the thickness direction of the door sill, the transverse direction is the length direction of the door sill, and the height direction is the height direction of the door sill, which is not described herein any more, the automobile door sill assembly in this embodiment 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 surround to form a chamber i, and a section of the chamber i in the height direction is in a closed ring shape; threshold reinforcement 3 sets up in cavity I, threshold reinforcement 3 separates cavity I into two sub-chambers at least. Through chamber I and with I divided a plurality of auxiliary chambers of chamber for improved the structural strength of threshold, satisfied the collision coefficient requirement, and more chambers can furthest's absorption collision ability, improve driver and crew's security.

In the embodiment, the structure further comprises a front wall side plate, wherein the front wall side plate comprises a front wall side inner plate 4 and an A-pillar lower reinforcing plate 5; the front wall side inner plate 4 and the A-pillar lower reinforcing plate 5 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. And the chamber II and the auxiliary chamber are communicated to transmit the collision force mutually, so that the energy absorption effect is improved.

In this embodiment, the front wall side panel has a connecting portion bent toward the threshold, and the threshold is connected to the connecting portion. As shown in the figure, preceding enclose side inner panel 4 and A post under 5 reinforcing plate buckle to the threshold jointly to make II at least and an auxiliary chamber intercommunications of cavity, the setting up of connecting portion makes the joint strength who encloses and the threshold before having improved, more makes II direct intercommunications of cavity I and cavity, has further improved and has passed the power effect.

In this embodiment, the cross section of the threshold reinforcement 3 along the height direction is in a shape like a Chinese character 'ji', and the top surface and the bottom surface of the Chinese character 'ji' are respectively and correspondingly connected with the threshold outer plate 2 and the threshold inner plate 1, so that the cavity I is divided into an auxiliary cavity I7, an auxiliary cavity II 8 and an auxiliary cavity III 9 which are sequentially arranged from top to bottom along the height direction. As shown in the figure, the threshold reinforcement 3 that is "nearly" font makes the energy-absorbing effect more excellent, and the uncovered edge of subchamber I7, subchamber II 8 and subchamber III 9 is horizontal mutually parallel, improves the energy-absorbing effect, threshold reinforcement 3 still connects threshold inner panel 1 and threshold planking 2 through the bolt, improves threshold reinforcement and forms holistic structural strength with threshold inner panel 1 and threshold planking 2, improves the energy-absorbing effect, plays the effect to the protection of driver and passenger.

In this embodiment, an inner wheel cover front reinforcement is connected to the rocker reinforcement 3, the inner wheel cover front reinforcement is supported between the front cowl side inner panel 4 and the a pillar lower reinforcement panel 5, as shown in the drawing, the rocker reinforcement 3 includes an upper support member 61 and a lower support member 62 that are connected in the longitudinal direction, the upper support member 61 is connected between the rocker outer panel 2 and the front cowl side inner panel 4, and the lower support member 62 is connected between the rocker outer panel 2 and the a pillar lower reinforcement panel 5.

In this embodiment, the upper supporting member 61 and the lower supporting member 62 are overlapped in the longitudinal projection, and the upper supporting member 61 and the lower supporting member 62 are respectively disposed on two sides of the edge of the outer sill panel 2 in the longitudinal direction. That is, the upper support member 61 and the lower support member 62 are in longitudinal lap joint, and the upper support member 61 and the lower support member 62 are separated along the edge of the outer sill panel 2 in the longitudinal direction, the upper support member 61 and the inner front wall side panel 4 are on the same side, the lower support member 62 and the lower A pillar reinforcement panel 5 are on the same side, the force transmission stability and the energy absorption effectiveness are improved, and meanwhile, the connection strength and the connection convenience of the inner front wall side panel 4 and the lower A pillar reinforcement panel 5 are guaranteed.

In this embodiment, the upper support member 61 has a bevel edge obliquely connected to the rocker inner panel 1 and the rocker reinforcement 3 in a longitudinal projection. The force transmission path is improved, the component force effect is improved, the doorsill reinforcing part 3 is connected with the doorsill inner plate 1 in an adjustable mode through a connecting part, the connecting part is a bolt, the position of the connecting part can be adjusted according to the stress point in the adjustable mode, and the doorsill reinforcing part 3 is fixedly connected with the doorsill outer plate 2.

In this embodiment, the upper supporting member 61 and the lower supporting member 62 are fixed to the edge of the doorsill outer panel 2, the upper supporting member 61 is adjustably connected to the doorsill inner panel 1 through a connecting member, and the lower supporting member 62 is adjustably connected to the a-pillar lower reinforcing panel 5 through a connecting member. The connecting piece be the bolt, can improve the joint strength of fitting surface when can adjusting the cooperation for the fit-up gap is adjustable, does benefit to holistic installation.

In the embodiment, the front support plate assembly of the threshold is connected with the reinforcement of the threshold beam through spot welding, and the reinforcement of the threshold beam is connected with the inner plate 1 of the threshold through bolts, so that 25% of small offset is guaranteed to touch the reinforcement plate and cut the inner plate; liquid leakage ribs are added on the joint surface of the reinforcing piece II of the inner sill plate 1 and the reinforcing plate of the sill, so that the full electrophoresis of parts can be well ensured; the reinforcing part II of the inner doorsill plate 1 is of a U-shaped structure, after welding is completed, the inner doorsill reinforcing plate and the inner doorsill plate 1 are divided into three cavities, collision deformation has a good supporting effect, safety of passengers is guaranteed, and deformation of a passenger compartment is prevented.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

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.